diff options
Diffstat (limited to 'src')
210 files changed, 7165 insertions, 4060 deletions
diff --git a/src/SConscript b/src/SConscript index 28f39bc29..44bcb5320 100644 --- a/src/SConscript +++ b/src/SConscript @@ -30,7 +30,7 @@ import os import sys -from os.path import isdir +from os.path import isfile, join as joinpath # This file defines how to build a particular configuration of M5 # based on variable settings in the 'env' build environment. @@ -74,6 +74,7 @@ base_sources = Split(''' base/loader/aout_object.cc base/loader/ecoff_object.cc base/loader/elf_object.cc + base/loader/raw_object.cc base/loader/object_file.cc base/loader/symtab.cc base/stats/events.cc @@ -146,45 +147,6 @@ base_sources = Split(''' sim/trace_context.cc ''') -# Old FullCPU sources -full_cpu_sources = Split(''' - encumbered/cpu/full/bpred.cc - encumbered/cpu/full/commit.cc - encumbered/cpu/full/cpu.cc - encumbered/cpu/full/create_vector.cc - encumbered/cpu/full/cv_spec_state.cc - encumbered/cpu/full/dd_queue.cc - encumbered/cpu/full/dep_link.cc - encumbered/cpu/full/dispatch.cc - encumbered/cpu/full/dyn_inst.cc - encumbered/cpu/full/execute.cc - encumbered/cpu/full/fetch.cc - encumbered/cpu/full/floss_reasons.cc - encumbered/cpu/full/fu_pool.cc - encumbered/cpu/full/inst_fifo.cc - encumbered/cpu/full/instpipe.cc - encumbered/cpu/full/issue.cc - encumbered/cpu/full/ls_queue.cc - encumbered/cpu/full/machine_queue.cc - encumbered/cpu/full/pipetrace.cc - encumbered/cpu/full/readyq.cc - encumbered/cpu/full/reg_info.cc - encumbered/cpu/full/rob_station.cc - encumbered/cpu/full/spec_memory.cc - encumbered/cpu/full/spec_state.cc - encumbered/cpu/full/storebuffer.cc - encumbered/cpu/full/writeback.cc - encumbered/cpu/full/iq/iq_station.cc - encumbered/cpu/full/iq/iqueue.cc - encumbered/cpu/full/iq/segmented/chain_info.cc - encumbered/cpu/full/iq/segmented/chain_wire.cc - encumbered/cpu/full/iq/segmented/iq_seg.cc - encumbered/cpu/full/iq/segmented/iq_segmented.cc - encumbered/cpu/full/iq/segmented/seg_chain.cc - encumbered/cpu/full/iq/seznec/iq_seznec.cc - encumbered/cpu/full/iq/standard/iq_standard.cc - ''') - trace_reader_sources = Split(''' cpu/trace/reader/mem_trace_reader.cc cpu/trace/reader/ibm_reader.cc @@ -211,42 +173,9 @@ full_system_sources = Split(''' cpu/intr_control.cc cpu/profile.cc - dev/alpha_console.cc - dev/baddev.cc - dev/disk_image.cc - dev/etherbus.cc - dev/etherdump.cc - dev/etherint.cc - dev/etherlink.cc - dev/etherpkt.cc - dev/ethertap.cc - dev/ide_ctrl.cc - dev/ide_disk.cc - dev/io_device.cc - dev/isa_fake.cc - dev/ns_gige.cc - dev/pciconfigall.cc - dev/pcidev.cc - dev/pcifake.cc - dev/pktfifo.cc - dev/platform.cc - dev/simconsole.cc - dev/simple_disk.cc - dev/tsunami.cc - dev/tsunami_cchip.cc - dev/tsunami_io.cc - dev/tsunami_fake.cc - dev/tsunami_pchip.cc - dev/uart.cc dev/uart8250.cc - kern/kernel_stats.cc - kern/system_events.cc - kern/linux/events.cc - kern/linux/linux_syscalls.cc - kern/linux/printk.cc - mem/vport.cc sim/pseudo_inst.cc @@ -254,7 +183,6 @@ full_system_sources = Split(''' #dev/sinic.cc #dev/i8254xGBe.cc - if env['TARGET_ISA'] == 'alpha': full_system_sources += Split(''' kern/tru64/dump_mbuf.cc @@ -263,26 +191,6 @@ if env['TARGET_ISA'] == 'alpha': kern/tru64/tru64_syscalls.cc ''') -# turbolaser encumbered sources -turbolaser_sources = Split(''' - encumbered/dev/dma.cc - encumbered/dev/etherdev.cc - encumbered/dev/scsi.cc - encumbered/dev/scsi_ctrl.cc - encumbered/dev/scsi_disk.cc - encumbered/dev/scsi_none.cc - encumbered/dev/tlaser_clock.cc - encumbered/dev/tlaser_ipi.cc - encumbered/dev/tlaser_mbox.cc - encumbered/dev/tlaser_mc146818.cc - encumbered/dev/tlaser_node.cc - encumbered/dev/tlaser_pcia.cc - encumbered/dev/tlaser_pcidev.cc - encumbered/dev/tlaser_serial.cc - encumbered/dev/turbolaser.cc - encumbered/dev/uart8530.cc - ''') - # Syscall emulation (non-full-system) sources syscall_emulation_sources = Split(''' mem/translating_port.cc @@ -296,15 +204,6 @@ syscall_emulation_sources = Split(''' # kern/tru64/tru64.cc # ''') -alpha_eio_sources = Split(''' - encumbered/eio/exolex.cc - encumbered/eio/libexo.cc - encumbered/eio/eio.cc - ''') - -if env['TARGET_ISA'] == 'alpha': - syscall_emulation_sources += alpha_eio_sources - memtest_sources = Split(''' cpu/memtest/memtest.cc ''') @@ -318,22 +217,29 @@ env.Append(CPPPATH=Dir('.')) # Add a flag defining what THE_ISA should be for all compilation env.Append(CPPDEFINES=[('THE_ISA','%s_ISA' % env['TARGET_ISA'].upper())]) -arch_sources = SConscript('arch/SConscript', exports = 'env') +arch_sources = SConscript(os.path.join('arch', 'SConscript'), exports = 'env') -cpu_sources = SConscript('cpu/SConscript', exports = 'env') +cpu_sources = SConscript(os.path.join('cpu', 'SConscript'), exports = 'env') + +if env['FULL_SYSTEM']: + dev_sources = SConscript(os.path.join('dev', 'SConscript'), + exports = 'env') + full_system_sources += dev_sources -# This is outside of cpu/SConscript since the source directory isn't -# underneath 'cpu'. -if 'FullCPU' in env['CPU_MODELS']: - cpu_sources += full_cpu_sources + kern_sources = SConscript(os.path.join('kern', 'SConscript'), + exports = 'env') + full_system_sources += kern_sources # Set up complete list of sources based on configuration. sources = base_sources + arch_sources + cpu_sources +# encumbered should be last because we're adding to some of the other groups +if isfile(joinpath(env['SRCDIR'], 'encumbered/SConscript')): + sources += SConscript('encumbered/SConscript', exports = 'env') + + if env['FULL_SYSTEM']: sources += full_system_sources - if env['ALPHA_TLASER']: - sources += turbolaser_sources else: sources += syscall_emulation_sources @@ -401,8 +307,15 @@ def makeEnv(label, objsfx, strip = False, **kwargs): envList.append(newEnv) # Debug binary +# Solaris seems to have some issue with DWARF2 debugging information, it's ok +# with stabs though +if sys.platform == 'sunos5': + debug_flag = '-gstabs+' +else: + debug_flag = '-ggdb3' + makeEnv('debug', '.do', - CCFLAGS = Split('-g3 -gdwarf-2 -O0'), + CCFLAGS = Split('%s -O0' % debug_flag), CPPDEFINES = 'DEBUG') # Optimized binary diff --git a/src/arch/SConscript b/src/arch/SConscript index dda1dea53..bbe3c4e3a 100644 --- a/src/arch/SConscript +++ b/src/arch/SConscript @@ -49,10 +49,13 @@ sources = [] isa_switch_hdrs = Split(''' arguments.hh faults.hh + interrupts.hh isa_traits.hh + kernel_stats.hh locked_mem.hh process.hh regfile.hh + remote_gdb.hh stacktrace.hh syscallreturn.hh tlb.hh @@ -61,36 +64,8 @@ isa_switch_hdrs = Split(''' vtophys.hh ''') -# Generate the header. target[0] is the full path of the output -# header to generate. 'source' is a dummy variable, since we get the -# list of ISAs from env['ALL_ISA_LIST']. -def gen_switch_hdr(target, source, env): - fname = str(target[0]) - basename = os.path.basename(fname) - f = open(fname, 'w') - f.write('#include "arch/isa_specific.hh"\n') - cond = '#if' - for isa in env['ALL_ISA_LIST']: - f.write('%s THE_ISA == %s_ISA\n#include "arch/%s/%s"\n' - % (cond, isa.upper(), isa, basename)) - cond = '#elif' - f.write('#else\n#error "THE_ISA not set"\n#endif\n') - f.close() - return 0 - -# String to print when generating header -def gen_switch_hdr_string(target, source, env): - return "Generating ISA switch header " + str(target[0]) - -# Build SCons Action object. 'varlist' specifies env vars that this -# action depends on; when env['ALL_ISA_LIST'] changes these actions -# should get re-executed. -switch_hdr_action = Action(gen_switch_hdr, gen_switch_hdr_string, - varlist=['ALL_ISA_LIST']) - -# Instantiate actions for each header -for hdr in isa_switch_hdrs: - env.Command(hdr, [], switch_hdr_action) +# Set up this directory to support switching headers +env.make_switching_dir('arch', isa_switch_hdrs, env) ################################################################# # diff --git a/src/arch/alpha/SConscript b/src/arch/alpha/SConscript index 216c88cc7..3cc5ec270 100644 --- a/src/arch/alpha/SConscript +++ b/src/arch/alpha/SConscript @@ -48,21 +48,29 @@ Import('env') # Base sources used by all configurations. base_sources = Split(''' faults.cc - isa_traits.cc + floatregfile.cc + intregfile.cc + miscregfile.cc + regfile.cc ''') # Full-system sources full_system_sources = Split(''' - tlb.cc arguments.cc ev5.cc + freebsd/system.cc + idle_event.cc + ipr.cc + kernel_stats.cc + linux/system.cc osfpal.cc + pagetable.cc stacktrace.cc - vtophys.cc + remote_gdb.cc system.cc - freebsd/system.cc - linux/system.cc + tlb.cc tru64/system.cc + vtophys.cc ''') diff --git a/src/arch/alpha/arguments.cc b/src/arch/alpha/arguments.cc index 9f9002003..e89bd70b0 100644 --- a/src/arch/alpha/arguments.cc +++ b/src/arch/alpha/arguments.cc @@ -35,7 +35,7 @@ using namespace AlphaISA; -AlphaArguments::Data::~Data() +Arguments::Data::~Data() { while (!data.empty()) { delete [] data.front(); @@ -44,7 +44,7 @@ AlphaArguments::Data::~Data() } char * -AlphaArguments::Data::alloc(size_t size) +Arguments::Data::alloc(size_t size) { char *buf = new char[size]; data.push_back(buf); @@ -52,7 +52,7 @@ AlphaArguments::Data::alloc(size_t size) } uint64_t -AlphaArguments::getArg(bool fp) +Arguments::getArg(bool fp) { if (number < 6) { if (fp) diff --git a/src/arch/alpha/arguments.hh b/src/arch/alpha/arguments.hh index d977d48d6..c44181a8d 100644 --- a/src/arch/alpha/arguments.hh +++ b/src/arch/alpha/arguments.hh @@ -41,7 +41,7 @@ class ThreadContext; namespace AlphaISA { -class AlphaArguments +class Arguments { protected: ThreadContext *tc; @@ -65,62 +65,62 @@ class AlphaArguments RefCountingPtr<Data> data; public: - AlphaArguments(ThreadContext *ctx, int n = 0) + Arguments(ThreadContext *ctx, int n = 0) : tc(ctx), number(n), data(NULL) { assert(number >= 0); data = new Data;} - AlphaArguments(const AlphaArguments &args) + Arguments(const Arguments &args) : tc(args.tc), number(args.number), data(args.data) {} - ~AlphaArguments() {} + ~Arguments() {} ThreadContext *getThreadContext() const { return tc; } - const AlphaArguments &operator=(const AlphaArguments &args) { + const Arguments &operator=(const Arguments &args) { tc = args.tc; number = args.number; data = args.data; return *this; } - AlphaArguments &operator++() { + Arguments &operator++() { ++number; assert(number >= 0); return *this; } - AlphaArguments operator++(int) { - AlphaArguments args = *this; + Arguments operator++(int) { + Arguments args = *this; ++number; assert(number >= 0); return args; } - AlphaArguments &operator--() { + Arguments &operator--() { --number; assert(number >= 0); return *this; } - AlphaArguments operator--(int) { - AlphaArguments args = *this; + Arguments operator--(int) { + Arguments args = *this; --number; assert(number >= 0); return args; } - const AlphaArguments &operator+=(int index) { + const Arguments &operator+=(int index) { number += index; assert(number >= 0); return *this; } - const AlphaArguments &operator-=(int index) { + const Arguments &operator-=(int index) { number -= index; assert(number >= 0); return *this; } - AlphaArguments operator[](int index) { - return AlphaArguments(tc, index); + Arguments operator[](int index) { + return Arguments(tc, index); } template <class T> diff --git a/src/arch/alpha/ev5.cc b/src/arch/alpha/ev5.cc index 7595423c3..3d71fbda5 100644 --- a/src/arch/alpha/ev5.cc +++ b/src/arch/alpha/ev5.cc @@ -31,16 +31,16 @@ #include "arch/alpha/faults.hh" #include "arch/alpha/isa_traits.hh" +#include "arch/alpha/kernel_stats.hh" #include "arch/alpha/osfpal.hh" #include "arch/alpha/tlb.hh" -#include "base/kgdb.h" +#include "arch/alpha/kgdb.h" #include "base/remote_gdb.hh" #include "base/stats/events.hh" #include "config/full_system.hh" #include "cpu/base.hh" #include "cpu/simple_thread.hh" #include "cpu/thread_context.hh" -#include "kern/kernel_stats.hh" #include "sim/debug.hh" #include "sim/sim_exit.hh" @@ -60,7 +60,7 @@ AlphaISA::initCPU(ThreadContext *tc, int cpuId) tc->setIntReg(16, cpuId); tc->setIntReg(0, cpuId); - AlphaFault *reset = new ResetFault; + AlphaISA::AlphaFault *reset = new AlphaISA::ResetFault; tc->setPC(tc->readMiscReg(IPR_PAL_BASE) + reset->vect()); tc->setNextPC(tc->readPC() + sizeof(MachInst)); @@ -147,7 +147,7 @@ AlphaISA::zeroRegisters(CPU *cpu) Fault SimpleThread::hwrei() { - if (!inPalMode()) + if (!(readPC() & 0x3)) return new UnimplementedOpcodeFault; setNextPC(readMiscReg(AlphaISA::IPR_EXC_ADDR)); @@ -176,7 +176,7 @@ AlphaISA::MiscRegFile::getDataAsid() } AlphaISA::MiscReg -AlphaISA::MiscRegFile::readIpr(int idx, Fault &fault, ThreadContext *tc) +AlphaISA::MiscRegFile::readIpr(int idx, ThreadContext *tc) { uint64_t retval = 0; // return value, default 0 @@ -269,12 +269,12 @@ AlphaISA::MiscRegFile::readIpr(int idx, Fault &fault, ThreadContext *tc) case AlphaISA::IPR_DTB_IAP: case AlphaISA::IPR_ITB_IA: case AlphaISA::IPR_ITB_IAP: - fault = new UnimplementedOpcodeFault; + panic("Tried to read write only register %d\n", idx); break; default: // invalid IPR - fault = new UnimplementedOpcodeFault; + panic("Tried to read from invalid ipr %d\n", idx); break; } @@ -286,13 +286,13 @@ AlphaISA::MiscRegFile::readIpr(int idx, Fault &fault, ThreadContext *tc) int break_ipl = -1; #endif -Fault +void AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ThreadContext *tc) { uint64_t old; if (tc->misspeculating()) - return NoFault; + return; switch (idx) { case AlphaISA::IPR_PALtemp0: @@ -379,10 +379,10 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ThreadContext *tc) case AlphaISA::IPR_DTB_CM: if (val & 0x18) { if (tc->getKernelStats()) - tc->getKernelStats()->mode(Kernel::user, tc); + tc->getKernelStats()->mode(TheISA::Kernel::user, tc); } else { if (tc->getKernelStats()) - tc->getKernelStats()->mode(Kernel::kernel, tc); + tc->getKernelStats()->mode(TheISA::Kernel::kernel, tc); } case AlphaISA::IPR_ICM: @@ -443,7 +443,7 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ThreadContext *tc) case AlphaISA::IPR_ITB_PTE_TEMP: case AlphaISA::IPR_DTB_PTE_TEMP: // read-only registers - return new UnimplementedOpcodeFault; + panic("Tried to write read only ipr %d\n", idx); case AlphaISA::IPR_HWINT_CLR: case AlphaISA::IPR_SL_XMIT: @@ -547,18 +547,17 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ThreadContext *tc) default: // invalid IPR - return new UnimplementedOpcodeFault; + panic("Tried to write to invalid ipr %d\n", idx); } // no error... - return NoFault; } void AlphaISA::copyIprs(ThreadContext *src, ThreadContext *dest) { - for (int i = IPR_Base_DepTag; i < NumInternalProcRegs; ++i) { + for (int i = 0; i < NumInternalProcRegs; ++i) { dest->setMiscReg(i, src->readMiscReg(i)); } } diff --git a/src/arch/alpha/faults.cc b/src/arch/alpha/faults.cc index 7179bf025..5efcf92e4 100644 --- a/src/arch/alpha/faults.cc +++ b/src/arch/alpha/faults.cc @@ -125,7 +125,7 @@ void AlphaFault::invoke(ThreadContext * tc) countStat()++; // exception restart address - if (setRestartAddress() || !tc->inPalMode()) + if (setRestartAddress() || !(tc->readPC() & 0x3)) tc->setMiscReg(AlphaISA::IPR_EXC_ADDR, tc->readPC()); if (skipFaultingInstruction()) { diff --git a/src/arch/alpha/floatregfile.cc b/src/arch/alpha/floatregfile.cc new file mode 100644 index 000000000..512b0df95 --- /dev/null +++ b/src/arch/alpha/floatregfile.cc @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2003-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Steve Reinhardt + * Gabe Black + * Kevin Lim + */ + +#include "arch/alpha/floatregfile.hh" +#include "sim/serialize.hh" + +namespace AlphaISA +{ + void + FloatRegFile::serialize(std::ostream &os) + { + SERIALIZE_ARRAY(q, NumFloatRegs); + } + + void + FloatRegFile::unserialize(Checkpoint *cp, const std::string §ion) + { + UNSERIALIZE_ARRAY(q, NumFloatRegs); + } +} diff --git a/src/arch/alpha/floatregfile.hh b/src/arch/alpha/floatregfile.hh new file mode 100644 index 000000000..d289f5785 --- /dev/null +++ b/src/arch/alpha/floatregfile.hh @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2003-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Steve Reinhardt + * Gabe Black + */ + +#ifndef __ARCH_ALPHA_FLOATREGFILE_HH__ +#define __ARCH_ALPHA_FLOATREGFILE_HH__ + +#include "arch/alpha/isa_traits.hh" +#include "arch/alpha/types.hh" + +#include <string.h> +#include <iostream> + +class Checkpoint; + +namespace AlphaISA +{ + static inline std::string getFloatRegName(RegIndex) + { + return ""; + } + + class FloatRegFile + { + public: + + union { + uint64_t q[NumFloatRegs]; // integer qword view + double d[NumFloatRegs]; // double-precision floating point view + }; + + void serialize(std::ostream &os); + + void unserialize(Checkpoint *cp, const std::string §ion); + + void clear() + { bzero(d, sizeof(d)); } + }; +} + +#endif diff --git a/src/arch/alpha/idle_event.cc b/src/arch/alpha/idle_event.cc new file mode 100644 index 000000000..0f6806319 --- /dev/null +++ b/src/arch/alpha/idle_event.cc @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2004-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Lisa Hsu + * Nathan Binkert + */ + +#include "arch/alpha/idle_event.hh" +#include "arch/alpha/kernel_stats.hh" +#include "cpu/thread_context.hh" + +using namespace TheISA; + +void +IdleStartEvent::process(ThreadContext *tc) +{ + if (tc->getKernelStats()) + tc->getKernelStats()->setIdleProcess( + tc->readMiscReg(AlphaISA::IPR_PALtemp23), tc); + remove(); +} diff --git a/src/arch/alpha/idle_event.hh b/src/arch/alpha/idle_event.hh new file mode 100644 index 000000000..97d5bdd6e --- /dev/null +++ b/src/arch/alpha/idle_event.hh @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2004-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Nathan Binkert + * Lisa Hsu + * Ali Saidi + */ + +#ifndef __KERN_ALPHA_IDLE_EVENT_HH__ +#define __KERN_ALPHA_IDLE_EVENT_HH__ + +#include "cpu/pc_event.hh" + +class IdleStartEvent : public PCEvent +{ + public: + IdleStartEvent(PCEventQueue *q, const std::string &desc, Addr addr) + : PCEvent(q, desc, addr) + {} + virtual void process(ThreadContext *tc); +}; + +#endif // __KERN_ALPHA_IDLE_EVENT_HH__ diff --git a/src/arch/alpha/interrupts.hh b/src/arch/alpha/interrupts.hh new file mode 100644 index 000000000..75031ae47 --- /dev/null +++ b/src/arch/alpha/interrupts.hh @@ -0,0 +1,166 @@ +/* + * Copyright (c) 2006 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Steve Reinhardt + * Kevin Lim + */ + +#ifndef __ARCH_ALPHA_INTERRUPT_HH__ +#define __ARCH_ALPHA_INTERRUPT_HH__ + +#include "arch/alpha/faults.hh" +#include "arch/alpha/isa_traits.hh" +#include "cpu/thread_context.hh" + +namespace AlphaISA +{ + class Interrupts + { + protected: + uint64_t interrupts[NumInterruptLevels]; + uint64_t intstatus; + + public: + Interrupts() + { + memset(interrupts, 0, sizeof(interrupts)); + intstatus = 0; + } + + void post(int int_num, int index) + { + DPRINTF(Interrupt, "Interrupt %d:%d posted\n", int_num, index); + + if (int_num < 0 || int_num >= NumInterruptLevels) + panic("int_num out of bounds\n"); + + if (index < 0 || index >= sizeof(uint64_t) * 8) + panic("int_num out of bounds\n"); + + interrupts[int_num] |= 1 << index; + intstatus |= (ULL(1) << int_num); + } + + void clear(int int_num, int index) + { + DPRINTF(Interrupt, "Interrupt %d:%d cleared\n", int_num, index); + + if (int_num < 0 || int_num >= TheISA::NumInterruptLevels) + panic("int_num out of bounds\n"); + + if (index < 0 || index >= sizeof(uint64_t) * 8) + panic("int_num out of bounds\n"); + + interrupts[int_num] &= ~(1 << index); + if (interrupts[int_num] == 0) + intstatus &= ~(ULL(1) << int_num); + } + + void clear_all() + { + DPRINTF(Interrupt, "Interrupts all cleared\n"); + + memset(interrupts, 0, sizeof(interrupts)); + intstatus = 0; + } + + void serialize(std::ostream &os) + { + SERIALIZE_ARRAY(interrupts, NumInterruptLevels); + SERIALIZE_SCALAR(intstatus); + } + + void unserialize(Checkpoint *cp, const std::string §ion) + { + UNSERIALIZE_ARRAY(interrupts, NumInterruptLevels); + UNSERIALIZE_SCALAR(intstatus); + } + + bool check_interrupts(ThreadContext * tc) const + { + return (intstatus != 0) && !(tc->readPC() & 0x3); + } + + Fault getInterrupt(ThreadContext * tc) + { + int ipl = 0; + int summary = 0; + + if (tc->readMiscReg(IPR_ASTRR)) + panic("asynchronous traps not implemented\n"); + + if (tc->readMiscReg(IPR_SIRR)) { + for (int i = INTLEVEL_SOFTWARE_MIN; + i < INTLEVEL_SOFTWARE_MAX; i++) { + if (tc->readMiscReg(IPR_SIRR) & (ULL(1) << i)) { + // See table 4-19 of 21164 hardware reference + ipl = (i - INTLEVEL_SOFTWARE_MIN) + 1; + summary |= (ULL(1) << i); + } + } + } + + uint64_t interrupts = intstatus; + if (interrupts) { + for (int i = INTLEVEL_EXTERNAL_MIN; + i < INTLEVEL_EXTERNAL_MAX; i++) { + if (interrupts & (ULL(1) << i)) { + // See table 4-19 of 21164 hardware reference + ipl = i; + summary |= (ULL(1) << i); + } + } + } + + if (ipl && ipl > tc->readMiscReg(IPR_IPLR)) { + tc->setMiscReg(IPR_ISR, summary); + tc->setMiscReg(IPR_INTID, ipl); + + /* The following needs to be added back in somehow */ + // Checker needs to know these two registers were updated. +/*#if USE_CHECKER + if (this->checker) { + this->checker->threadBase()->setMiscReg(IPR_ISR, summary); + this->checker->threadBase()->setMiscReg(IPR_INTID, ipl); + } +#endif*/ + + DPRINTF(Flow, "Interrupt! IPLR=%d ipl=%d summary=%x\n", + tc->readMiscReg(IPR_IPLR), ipl, summary); + + return new InterruptFault; + } else { + return NoFault; + } + } + + private: + }; +} + +#endif + diff --git a/src/arch/alpha/intregfile.cc b/src/arch/alpha/intregfile.cc new file mode 100644 index 000000000..0188cb2cd --- /dev/null +++ b/src/arch/alpha/intregfile.cc @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2003-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Steve Reinhardt + * Gabe Black + * Kevin Lim + */ + +#include "arch/alpha/isa_traits.hh" +#include "arch/alpha/intregfile.hh" +#include "sim/serialize.hh" + +namespace AlphaISA +{ +#if FULL_SYSTEM + const int reg_redir[AlphaISA::NumIntRegs] = { + /* 0 */ 0, 1, 2, 3, 4, 5, 6, 7, + /* 8 */ 32, 33, 34, 35, 36, 37, 38, 15, + /* 16 */ 16, 17, 18, 19, 20, 21, 22, 23, + /* 24 */ 24, 39, 26, 27, 28, 29, 30, 31 }; +#else + const int reg_redir[AlphaISA::NumIntRegs] = { + /* 0 */ 0, 1, 2, 3, 4, 5, 6, 7, + /* 8 */ 8, 9, 10, 11, 12, 13, 14, 15, + /* 16 */ 16, 17, 18, 19, 20, 21, 22, 23, + /* 24 */ 24, 25, 26, 27, 28, 29, 30, 31 }; +#endif + + void + IntRegFile::serialize(std::ostream &os) + { + SERIALIZE_ARRAY(regs, NumIntRegs); + } + + void + IntRegFile::unserialize(Checkpoint *cp, const std::string §ion) + { + UNSERIALIZE_ARRAY(regs, NumIntRegs); + } +} + diff --git a/src/arch/alpha/intregfile.hh b/src/arch/alpha/intregfile.hh new file mode 100644 index 000000000..0d65f69e0 --- /dev/null +++ b/src/arch/alpha/intregfile.hh @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2003-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Steve Reinhardt + * Gabe Black + */ + +#ifndef __ARCH_ALPHA_INTREGFILE_HH__ +#define __ARCH_ALPHA_INTREGFILE_HH__ + +#include "arch/alpha/types.hh" + +#include <iostream> +#include <strings.h> + +class Checkpoint; + +namespace AlphaISA +{ + static inline std::string getIntRegName(RegIndex) + { + return ""; + } + + // redirected register map, really only used for the full system case. + extern const int reg_redir[NumIntRegs]; + + class IntRegFile + { + protected: + IntReg regs[NumIntRegs]; + + public: + + IntReg readReg(int intReg) + { + return regs[intReg]; + } + + void setReg(int intReg, const IntReg &val) + { + regs[intReg] = val; + } + + void serialize(std::ostream &os); + + void unserialize(Checkpoint *cp, const std::string §ion); + + void clear() + { bzero(regs, sizeof(regs)); } + }; +} + +#endif diff --git a/src/arch/alpha/ipr.cc b/src/arch/alpha/ipr.cc new file mode 100644 index 000000000..8e83102eb --- /dev/null +++ b/src/arch/alpha/ipr.cc @@ -0,0 +1,140 @@ +/* + * Copyright (c) 2003-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Gabe Black + */ + +#include <assert.h> +#include <string.h> + +#include "arch/alpha/ipr.hh" + +namespace AlphaISA +{ + md_ipr_names MiscRegIndexToIpr[NumInternalProcRegs] = + { + //Write only + RAW_IPR_HWINT_CLR, // H/W interrupt clear register + RAW_IPR_SL_XMIT, // serial line transmit register + RAW_IPR_DC_FLUSH, + RAW_IPR_IC_FLUSH, // instruction cache flush control + RAW_IPR_ALT_MODE, // alternate mode register + RAW_IPR_DTB_IA, // DTLB invalidate all register + RAW_IPR_DTB_IAP, // DTLB invalidate all process register + RAW_IPR_ITB_IA, // ITLB invalidate all register + RAW_IPR_ITB_IAP, // ITLB invalidate all process register + + //Read only + RAW_IPR_INTID, // interrupt ID register + RAW_IPR_SL_RCV, // serial line receive register + RAW_IPR_MM_STAT, // data MMU fault status register + RAW_IPR_ITB_PTE_TEMP, // ITLB page table entry temp register + RAW_IPR_DTB_PTE_TEMP, // DTLB page table entry temporary register + + RAW_IPR_ISR, // interrupt summary register + RAW_IPR_ITB_TAG, // ITLB tag register + RAW_IPR_ITB_PTE, // ITLB page table entry register + RAW_IPR_ITB_ASN, // ITLB address space register + RAW_IPR_ITB_IS, // ITLB invalidate select register + RAW_IPR_SIRR, // software interrupt request register + RAW_IPR_ASTRR, // asynchronous system trap request register + RAW_IPR_ASTER, // asynchronous system trap enable register + RAW_IPR_EXC_ADDR, // exception address register + RAW_IPR_EXC_SUM, // exception summary register + RAW_IPR_EXC_MASK, // exception mask register + RAW_IPR_PAL_BASE, // PAL base address register + RAW_IPR_ICM, // instruction current mode + RAW_IPR_IPLR, // interrupt priority level register + RAW_IPR_IFAULT_VA_FORM, // formatted faulting virtual addr register + RAW_IPR_IVPTBR, // virtual page table base register + RAW_IPR_ICSR, // instruction control and status register + RAW_IPR_IC_PERR_STAT, // inst cache parity error status register + RAW_IPR_PMCTR, // performance counter register + + // PAL temporary registers... + // register meanings gleaned from osfpal.s source code + RAW_IPR_PALtemp0, // local scratch + RAW_IPR_PALtemp1, // local scratch + RAW_IPR_PALtemp2, // entUna + RAW_IPR_PALtemp3, // CPU specific impure area pointer + RAW_IPR_PALtemp4, // memory management temp + RAW_IPR_PALtemp5, // memory management temp + RAW_IPR_PALtemp6, // memory management temp + RAW_IPR_PALtemp7, // entIF + RAW_IPR_PALtemp8, // intmask + RAW_IPR_PALtemp9, // entSys + RAW_IPR_PALtemp10, // ?? + RAW_IPR_PALtemp11, // entInt + RAW_IPR_PALtemp12, // entArith + RAW_IPR_PALtemp13, // reserved for platform specific PAL + RAW_IPR_PALtemp14, // reserved for platform specific PAL + RAW_IPR_PALtemp15, // reserved for platform specific PAL + RAW_IPR_PALtemp16, // scratch / whami<7:0> / mces<4:0> + RAW_IPR_PALtemp17, // sysval + RAW_IPR_PALtemp18, // usp + RAW_IPR_PALtemp19, // ksp + RAW_IPR_PALtemp20, // PTBR + RAW_IPR_PALtemp21, // entMM + RAW_IPR_PALtemp22, // kgp + RAW_IPR_PALtemp23, // PCBB + + RAW_IPR_DTB_ASN, // DTLB address space number register + RAW_IPR_DTB_CM, // DTLB current mode register + RAW_IPR_DTB_TAG, // DTLB tag register + RAW_IPR_DTB_PTE, // DTLB page table entry register + + RAW_IPR_VA, // fault virtual address register + RAW_IPR_VA_FORM, // formatted virtual address register + RAW_IPR_MVPTBR, // MTU virtual page table base register + RAW_IPR_DTB_IS, // DTLB invalidate single register + RAW_IPR_CC, // cycle counter register + RAW_IPR_CC_CTL, // cycle counter control register + RAW_IPR_MCSR, // MTU control register + + RAW_IPR_DC_PERR_STAT, // Dcache parity error status register + RAW_IPR_DC_TEST_CTL, // Dcache test tag control register + RAW_IPR_DC_TEST_TAG, // Dcache test tag register + RAW_IPR_DC_TEST_TAG_TEMP, // Dcache test tag temporary register + RAW_IPR_DC_MODE, // Dcache mode register + RAW_IPR_MAF_MODE // miss address file mode register + }; + + int IprToMiscRegIndex[MaxInternalProcRegs]; + + void initializeIprTable() + { + static bool initialized = false; + if(initialized) + return; + + memset(IprToMiscRegIndex, -1, MaxInternalProcRegs * sizeof(int)); + + for(int x = 0; x < NumInternalProcRegs; x++) + IprToMiscRegIndex[MiscRegIndexToIpr[x]] = x; + } +} + diff --git a/src/arch/alpha/ipr.hh b/src/arch/alpha/ipr.hh new file mode 100644 index 000000000..b55154764 --- /dev/null +++ b/src/arch/alpha/ipr.hh @@ -0,0 +1,237 @@ +/* + * Copyright (c) 2003-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Steve Reinhardt + * Gabe Black + */ + +#ifndef __ARCH_ALPHA_IPR_HH__ +#define __ARCH_ALPHA_IPR_HH__ + +namespace AlphaISA +{ + //////////////////////////////////////////////////////////////////////// + // + // Internal Processor Reigsters + // + enum md_ipr_names + { + RAW_IPR_ISR = 0x100, // interrupt summary register + RAW_IPR_ITB_TAG = 0x101, // ITLB tag register + RAW_IPR_ITB_PTE = 0x102, // ITLB page table entry register + RAW_IPR_ITB_ASN = 0x103, // ITLB address space register + RAW_IPR_ITB_PTE_TEMP = 0x104, // ITLB page table entry temp register + RAW_IPR_ITB_IA = 0x105, // ITLB invalidate all register + RAW_IPR_ITB_IAP = 0x106, // ITLB invalidate all process register + RAW_IPR_ITB_IS = 0x107, // ITLB invalidate select register + RAW_IPR_SIRR = 0x108, // software interrupt request register + RAW_IPR_ASTRR = 0x109, // asynchronous system trap request register + RAW_IPR_ASTER = 0x10a, // asynchronous system trap enable register + RAW_IPR_EXC_ADDR = 0x10b, // exception address register + RAW_IPR_EXC_SUM = 0x10c, // exception summary register + RAW_IPR_EXC_MASK = 0x10d, // exception mask register + RAW_IPR_PAL_BASE = 0x10e, // PAL base address register + RAW_IPR_ICM = 0x10f, // instruction current mode + RAW_IPR_IPLR = 0x110, // interrupt priority level register + RAW_IPR_INTID = 0x111, // interrupt ID register + RAW_IPR_IFAULT_VA_FORM = 0x112, // formatted faulting virtual addr register + RAW_IPR_IVPTBR = 0x113, // virtual page table base register + RAW_IPR_HWINT_CLR = 0x115, // H/W interrupt clear register + RAW_IPR_SL_XMIT = 0x116, // serial line transmit register + RAW_IPR_SL_RCV = 0x117, // serial line receive register + RAW_IPR_ICSR = 0x118, // instruction control and status register + RAW_IPR_IC_FLUSH = 0x119, // instruction cache flush control + RAW_IPR_IC_PERR_STAT = 0x11a, // inst cache parity error status register + RAW_IPR_PMCTR = 0x11c, // performance counter register + + // PAL temporary registers... + // register meanings gleaned from osfpal.s source code + RAW_IPR_PALtemp0 = 0x140, // local scratch + RAW_IPR_PALtemp1 = 0x141, // local scratch + RAW_IPR_PALtemp2 = 0x142, // entUna + RAW_IPR_PALtemp3 = 0x143, // CPU specific impure area pointer + RAW_IPR_PALtemp4 = 0x144, // memory management temp + RAW_IPR_PALtemp5 = 0x145, // memory management temp + RAW_IPR_PALtemp6 = 0x146, // memory management temp + RAW_IPR_PALtemp7 = 0x147, // entIF + RAW_IPR_PALtemp8 = 0x148, // intmask + RAW_IPR_PALtemp9 = 0x149, // entSys + RAW_IPR_PALtemp10 = 0x14a, // ?? + RAW_IPR_PALtemp11 = 0x14b, // entInt + RAW_IPR_PALtemp12 = 0x14c, // entArith + RAW_IPR_PALtemp13 = 0x14d, // reserved for platform specific PAL + RAW_IPR_PALtemp14 = 0x14e, // reserved for platform specific PAL + RAW_IPR_PALtemp15 = 0x14f, // reserved for platform specific PAL + RAW_IPR_PALtemp16 = 0x150, // scratch / whami<7:0> / mces<4:0> + RAW_IPR_PALtemp17 = 0x151, // sysval + RAW_IPR_PALtemp18 = 0x152, // usp + RAW_IPR_PALtemp19 = 0x153, // ksp + RAW_IPR_PALtemp20 = 0x154, // PTBR + RAW_IPR_PALtemp21 = 0x155, // entMM + RAW_IPR_PALtemp22 = 0x156, // kgp + RAW_IPR_PALtemp23 = 0x157, // PCBB + + RAW_IPR_DTB_ASN = 0x200, // DTLB address space number register + RAW_IPR_DTB_CM = 0x201, // DTLB current mode register + RAW_IPR_DTB_TAG = 0x202, // DTLB tag register + RAW_IPR_DTB_PTE = 0x203, // DTLB page table entry register + RAW_IPR_DTB_PTE_TEMP = 0x204, // DTLB page table entry temporary register + + RAW_IPR_MM_STAT = 0x205, // data MMU fault status register + RAW_IPR_VA = 0x206, // fault virtual address register + RAW_IPR_VA_FORM = 0x207, // formatted virtual address register + RAW_IPR_MVPTBR = 0x208, // MTU virtual page table base register + RAW_IPR_DTB_IAP = 0x209, // DTLB invalidate all process register + RAW_IPR_DTB_IA = 0x20a, // DTLB invalidate all register + RAW_IPR_DTB_IS = 0x20b, // DTLB invalidate single register + RAW_IPR_ALT_MODE = 0x20c, // alternate mode register + RAW_IPR_CC = 0x20d, // cycle counter register + RAW_IPR_CC_CTL = 0x20e, // cycle counter control register + RAW_IPR_MCSR = 0x20f, // MTU control register + + RAW_IPR_DC_FLUSH = 0x210, + RAW_IPR_DC_PERR_STAT = 0x212, // Dcache parity error status register + RAW_IPR_DC_TEST_CTL = 0x213, // Dcache test tag control register + RAW_IPR_DC_TEST_TAG = 0x214, // Dcache test tag register + RAW_IPR_DC_TEST_TAG_TEMP = 0x215, // Dcache test tag temporary register + RAW_IPR_DC_MODE = 0x216, // Dcache mode register + RAW_IPR_MAF_MODE = 0x217, // miss address file mode register + + MaxInternalProcRegs // number of IPR registers + }; + + enum MiscRegIpr + { + //Write only + MinWriteOnlyIpr, + IPR_HWINT_CLR = MinWriteOnlyIpr, + IPR_SL_XMIT, + IPR_DC_FLUSH, + IPR_IC_FLUSH, + IPR_ALT_MODE, + IPR_DTB_IA, + IPR_DTB_IAP, + IPR_ITB_IA, + MaxWriteOnlyIpr, + IPR_ITB_IAP = MaxWriteOnlyIpr, + + //Read only + MinReadOnlyIpr, + IPR_INTID = MinReadOnlyIpr, + IPR_SL_RCV, + IPR_MM_STAT, + IPR_ITB_PTE_TEMP, + MaxReadOnlyIpr, + IPR_DTB_PTE_TEMP = MaxReadOnlyIpr, + + IPR_ISR, + IPR_ITB_TAG, + IPR_ITB_PTE, + IPR_ITB_ASN, + IPR_ITB_IS, + IPR_SIRR, + IPR_ASTRR, + IPR_ASTER, + IPR_EXC_ADDR, + IPR_EXC_SUM, + IPR_EXC_MASK, + IPR_PAL_BASE, + IPR_ICM, + IPR_IPLR, + IPR_IFAULT_VA_FORM, + IPR_IVPTBR, + IPR_ICSR, + IPR_IC_PERR_STAT, + IPR_PMCTR, + + // PAL temporary registers... + // register meanings gleaned from osfpal.s source code + IPR_PALtemp0, + IPR_PALtemp1, + IPR_PALtemp2, + IPR_PALtemp3, + IPR_PALtemp4, + IPR_PALtemp5, + IPR_PALtemp6, + IPR_PALtemp7, + IPR_PALtemp8, + IPR_PALtemp9, + IPR_PALtemp10, + IPR_PALtemp11, + IPR_PALtemp12, + IPR_PALtemp13, + IPR_PALtemp14, + IPR_PALtemp15, + IPR_PALtemp16, + IPR_PALtemp17, + IPR_PALtemp18, + IPR_PALtemp19, + IPR_PALtemp20, + IPR_PALtemp21, + IPR_PALtemp22, + IPR_PALtemp23, + + IPR_DTB_ASN, + IPR_DTB_CM, + IPR_DTB_TAG, + IPR_DTB_PTE, + + IPR_VA, + IPR_VA_FORM, + IPR_MVPTBR, + IPR_DTB_IS, + IPR_CC, + IPR_CC_CTL, + IPR_MCSR, + + IPR_DC_PERR_STAT, + IPR_DC_TEST_CTL, + IPR_DC_TEST_TAG, + IPR_DC_TEST_TAG_TEMP, + IPR_DC_MODE, + IPR_MAF_MODE, + + NumInternalProcRegs // number of IPR registers + }; + + inline bool IprIsWritable(int index) + { + return index < MinReadOnlyIpr || index > MaxReadOnlyIpr; + } + + inline bool IprIsReadable(int index) + { + return index < MinWriteOnlyIpr || index > MaxWriteOnlyIpr; + } + + extern md_ipr_names MiscRegIndexToIpr[NumInternalProcRegs]; + extern int IprToMiscRegIndex[MaxInternalProcRegs]; + + void initializeIprTable(); +} + +#endif diff --git a/src/arch/alpha/isa/decoder.isa b/src/arch/alpha/isa/decoder.isa index 5bd19b677..7014d4c22 100644 --- a/src/arch/alpha/isa/decoder.isa +++ b/src/arch/alpha/isa/decoder.isa @@ -629,7 +629,7 @@ decode OPCODE default Unknown::unknown() { /* Rb is a fake dependency so here is a fun way to get * the parser to understand that. */ - Ra = xc->readMiscRegWithEffect(AlphaISA::IPR_CC, fault) + (Rb & 0); + Ra = xc->readMiscRegWithEffect(AlphaISA::IPR_CC) + (Rb & 0); #else Ra = curTick; @@ -661,12 +661,12 @@ decode OPCODE default Unknown::unknown() { #if FULL_SYSTEM format BasicOperate { 0xe000: rc({{ - Ra = xc->readIntrFlag(); - xc->setIntrFlag(0); + Ra = IntrFlag; + IntrFlag = 0; }}, IsNonSpeculative, IsUnverifiable); 0xf000: rs({{ - Ra = xc->readIntrFlag(); - xc->setIntrFlag(1); + Ra = IntrFlag; + IntrFlag = 1; }}, IsNonSpeculative, IsUnverifiable); } #else @@ -681,7 +681,7 @@ decode OPCODE default Unknown::unknown() { 0x00: CallPal::call_pal({{ if (!palValid || (palPriv - && xc->readMiscRegWithEffect(AlphaISA::IPR_ICM, fault) != AlphaISA::mode_kernel)) { + && xc->readMiscRegWithEffect(AlphaISA::IPR_ICM) != AlphaISA::mode_kernel)) { // invalid pal function code, or attempt to do privileged // PAL call in non-kernel mode fault = new UnimplementedOpcodeFault; @@ -693,7 +693,7 @@ decode OPCODE default Unknown::unknown() { if (dopal) { xc->setMiscRegWithEffect(AlphaISA::IPR_EXC_ADDR, NPC); - NPC = xc->readMiscRegWithEffect(AlphaISA::IPR_PAL_BASE, fault) + palOffset; + NPC = xc->readMiscRegWithEffect(AlphaISA::IPR_PAL_BASE) + palOffset; } } }}, IsNonSpeculative); @@ -745,7 +745,13 @@ decode OPCODE default Unknown::unknown() { 0: OpcdecFault::hw_mfpr(); format HwMoveIPR { 1: hw_mfpr({{ - Ra = xc->readMiscRegWithEffect(ipr_index, fault); + int miscRegIndex = (ipr_index < MaxInternalProcRegs) ? + IprToMiscRegIndex[ipr_index] : -1; + if(miscRegIndex < 0 || !IprIsReadable(miscRegIndex) || + miscRegIndex >= NumInternalProcRegs) + fault = new UnimplementedOpcodeFault; + else + Ra = xc->readMiscRegWithEffect(miscRegIndex); }}, IsIprAccess); } } @@ -754,7 +760,13 @@ decode OPCODE default Unknown::unknown() { 0: OpcdecFault::hw_mtpr(); format HwMoveIPR { 1: hw_mtpr({{ - xc->setMiscRegWithEffect(ipr_index, Ra); + int miscRegIndex = (ipr_index < MaxInternalProcRegs) ? + IprToMiscRegIndex[ipr_index] : -1; + if(miscRegIndex < 0 || !IprIsWritable(miscRegIndex) || + miscRegIndex >= NumInternalProcRegs) + fault = new UnimplementedOpcodeFault; + else + xc->setMiscRegWithEffect(miscRegIndex, Ra); if (traceData) { traceData->setData(Ra); } }}, IsIprAccess); } @@ -783,12 +795,6 @@ decode OPCODE default Unknown::unknown() { 0x04: quiesceTime({{ R0 = AlphaPseudo::quiesceTime(xc->tcBase()); }}, IsNonSpeculative, IsUnverifiable); - 0x10: ivlb({{ - AlphaPseudo::ivlb(xc->tcBase()); - }}, No_OpClass, IsNonSpeculative); - 0x11: ivle({{ - AlphaPseudo::ivle(xc->tcBase()); - }}, No_OpClass, IsNonSpeculative); 0x20: m5exit_old({{ AlphaPseudo::m5exit_old(xc->tcBase()); }}, No_OpClass, IsNonSpeculative); diff --git a/src/arch/alpha/isa/fp.isa b/src/arch/alpha/isa/fp.isa index b4339a1b7..3b5575f62 100644 --- a/src/arch/alpha/isa/fp.isa +++ b/src/arch/alpha/isa/fp.isa @@ -46,7 +46,7 @@ output exec {{ inline Fault checkFpEnableFault(%(CPU_exec_context)s *xc) { Fault fault = NoFault; // dummy... this ipr access should not fault - if (!EV5::ICSR_FPE(xc->readMiscRegWithEffect(AlphaISA::IPR_ICSR, fault))) { + if (!EV5::ICSR_FPE(xc->readMiscRegWithEffect(AlphaISA::IPR_ICSR))) { fault = new FloatEnableFault; } return fault; @@ -229,7 +229,7 @@ def template FloatingPointExecute {{ %(code)s; } else { fesetround(getC99RoundingMode( - xc->readMiscReg(AlphaISA::Fpcr_DepTag))); + xc->readMiscReg(AlphaISA::MISCREG_FPCR))); %(code)s; fesetround(FE_TONEAREST); } diff --git a/src/arch/alpha/isa/main.isa b/src/arch/alpha/isa/main.isa index 2024b1117..6e65cf9d3 100644 --- a/src/arch/alpha/isa/main.isa +++ b/src/arch/alpha/isa/main.isa @@ -71,6 +71,7 @@ output exec {{ #if FULL_SYSTEM #include "sim/pseudo_inst.hh" #endif +#include "arch/alpha/ipr.hh" #include "base/fenv.hh" #include "config/ss_compatible_fp.hh" #include "cpu/base.hh" @@ -183,8 +184,9 @@ def operands {{ 'Fc': ('FloatReg', 'df', 'FC', 'IsFloating', 3), 'Mem': ('Mem', 'uq', None, ('IsMemRef', 'IsLoad', 'IsStore'), 4), 'NPC': ('NPC', 'uq', None, ( None, None, 'IsControl' ), 4), - 'Runiq': ('ControlReg', 'uq', 'TheISA::Uniq_DepTag', None, 1), - 'FPCR': (' ControlReg', 'uq', 'TheISA::Fpcr_DepTag', None, 1), + 'Runiq': ('ControlReg', 'uq', 'MISCREG_UNIQ', None, 1), + 'FPCR': ('ControlReg', 'uq', 'MISCREG_FPCR', None, 1), + 'IntrFlag': ('ControlReg', 'uq', 'MISCREG_INTR', None, 1), # The next two are hacks for non-full-system call-pal emulation 'R0': ('IntReg', 'uq', '0', None, 1), 'R16': ('IntReg', 'uq', '16', None, 1), @@ -214,11 +216,6 @@ output header {{ /// live here and not in the AlphaISA namespace. enum DependenceTags { FP_Base_DepTag = AlphaISA::FP_Base_DepTag, - Fpcr_DepTag = AlphaISA::Fpcr_DepTag, - Uniq_DepTag = AlphaISA::Uniq_DepTag, - Lock_Flag_DepTag = AlphaISA::Lock_Flag_DepTag, - Lock_Addr_DepTag = AlphaISA::Lock_Addr_DepTag, - IPR_Base_DepTag = AlphaISA::IPR_Base_DepTag }; /// Constructor. diff --git a/src/arch/alpha/isa_traits.hh b/src/arch/alpha/isa_traits.hh index 4f439b8df..35d9ce843 100644 --- a/src/arch/alpha/isa_traits.hh +++ b/src/arch/alpha/isa_traits.hh @@ -34,6 +34,7 @@ namespace LittleEndianGuest {} +#include "arch/alpha/ipr.hh" #include "arch/alpha/types.hh" #include "config/full_system.hh" #include "sim/host.hh" @@ -49,12 +50,7 @@ namespace AlphaISA // 0..31 are the integer regs 0..31 // 32..63 are the FP regs 0..31, i.e. use (reg + FP_Base_DepTag) FP_Base_DepTag = 40, - Ctrl_Base_DepTag = 72, - Fpcr_DepTag = 72, // floating point control register - Uniq_DepTag = 73, - Lock_Flag_DepTag = 74, - Lock_Addr_DepTag = 75, - IPR_Base_DepTag = 76 + Ctrl_Base_DepTag = 72 }; StaticInstPtr decodeInst(ExtMachInst); @@ -118,7 +114,6 @@ namespace AlphaISA NumInterruptLevels = INTLEVEL_EXTERNAL_MAX }; - // EV5 modes enum mode_type { @@ -131,100 +126,6 @@ namespace AlphaISA #endif -#if FULL_SYSTEM - //////////////////////////////////////////////////////////////////////// - // - // Internal Processor Reigsters - // - enum md_ipr_names - { - IPR_ISR = 0x100, // interrupt summary register - IPR_ITB_TAG = 0x101, // ITLB tag register - IPR_ITB_PTE = 0x102, // ITLB page table entry register - IPR_ITB_ASN = 0x103, // ITLB address space register - IPR_ITB_PTE_TEMP = 0x104, // ITLB page table entry temp register - IPR_ITB_IA = 0x105, // ITLB invalidate all register - IPR_ITB_IAP = 0x106, // ITLB invalidate all process register - IPR_ITB_IS = 0x107, // ITLB invalidate select register - IPR_SIRR = 0x108, // software interrupt request register - IPR_ASTRR = 0x109, // asynchronous system trap request register - IPR_ASTER = 0x10a, // asynchronous system trap enable register - IPR_EXC_ADDR = 0x10b, // exception address register - IPR_EXC_SUM = 0x10c, // exception summary register - IPR_EXC_MASK = 0x10d, // exception mask register - IPR_PAL_BASE = 0x10e, // PAL base address register - IPR_ICM = 0x10f, // instruction current mode - IPR_IPLR = 0x110, // interrupt priority level register - IPR_INTID = 0x111, // interrupt ID register - IPR_IFAULT_VA_FORM = 0x112, // formatted faulting virtual addr register - IPR_IVPTBR = 0x113, // virtual page table base register - IPR_HWINT_CLR = 0x115, // H/W interrupt clear register - IPR_SL_XMIT = 0x116, // serial line transmit register - IPR_SL_RCV = 0x117, // serial line receive register - IPR_ICSR = 0x118, // instruction control and status register - IPR_IC_FLUSH = 0x119, // instruction cache flush control - IPR_IC_PERR_STAT = 0x11a, // inst cache parity error status register - IPR_PMCTR = 0x11c, // performance counter register - - // PAL temporary registers... - // register meanings gleaned from osfpal.s source code - IPR_PALtemp0 = 0x140, // local scratch - IPR_PALtemp1 = 0x141, // local scratch - IPR_PALtemp2 = 0x142, // entUna - IPR_PALtemp3 = 0x143, // CPU specific impure area pointer - IPR_PALtemp4 = 0x144, // memory management temp - IPR_PALtemp5 = 0x145, // memory management temp - IPR_PALtemp6 = 0x146, // memory management temp - IPR_PALtemp7 = 0x147, // entIF - IPR_PALtemp8 = 0x148, // intmask - IPR_PALtemp9 = 0x149, // entSys - IPR_PALtemp10 = 0x14a, // ?? - IPR_PALtemp11 = 0x14b, // entInt - IPR_PALtemp12 = 0x14c, // entArith - IPR_PALtemp13 = 0x14d, // reserved for platform specific PAL - IPR_PALtemp14 = 0x14e, // reserved for platform specific PAL - IPR_PALtemp15 = 0x14f, // reserved for platform specific PAL - IPR_PALtemp16 = 0x150, // scratch / whami<7:0> / mces<4:0> - IPR_PALtemp17 = 0x151, // sysval - IPR_PALtemp18 = 0x152, // usp - IPR_PALtemp19 = 0x153, // ksp - IPR_PALtemp20 = 0x154, // PTBR - IPR_PALtemp21 = 0x155, // entMM - IPR_PALtemp22 = 0x156, // kgp - IPR_PALtemp23 = 0x157, // PCBB - - IPR_DTB_ASN = 0x200, // DTLB address space number register - IPR_DTB_CM = 0x201, // DTLB current mode register - IPR_DTB_TAG = 0x202, // DTLB tag register - IPR_DTB_PTE = 0x203, // DTLB page table entry register - IPR_DTB_PTE_TEMP = 0x204, // DTLB page table entry temporary register - - IPR_MM_STAT = 0x205, // data MMU fault status register - IPR_VA = 0x206, // fault virtual address register - IPR_VA_FORM = 0x207, // formatted virtual address register - IPR_MVPTBR = 0x208, // MTU virtual page table base register - IPR_DTB_IAP = 0x209, // DTLB invalidate all process register - IPR_DTB_IA = 0x20a, // DTLB invalidate all register - IPR_DTB_IS = 0x20b, // DTLB invalidate single register - IPR_ALT_MODE = 0x20c, // alternate mode register - IPR_CC = 0x20d, // cycle counter register - IPR_CC_CTL = 0x20e, // cycle counter control register - IPR_MCSR = 0x20f, // MTU control register - - IPR_DC_FLUSH = 0x210, - IPR_DC_PERR_STAT = 0x212, // Dcache parity error status register - IPR_DC_TEST_CTL = 0x213, // Dcache test tag control register - IPR_DC_TEST_TAG = 0x214, // Dcache test tag register - IPR_DC_TEST_TAG_TEMP = 0x215, // Dcache test tag temporary register - IPR_DC_MODE = 0x216, // Dcache mode register - IPR_MAF_MODE = 0x217, // miss address file mode register - - NumInternalProcRegs // number of IPR registers - }; -#else - const int NumInternalProcRegs = 0; -#endif - // Constants Related to the number of registers const int NumIntArchRegs = 32; @@ -279,9 +180,6 @@ namespace AlphaISA // Alpha UNOP (ldq_u r31,0(r0)) const ExtMachInst NoopMachInst = 0x2ffe0000; - // redirected register map, really only used for the full system case. - extern const int reg_redir[NumIntRegs]; - }; #endif // __ARCH_ALPHA_ISA_TRAITS_HH__ diff --git a/src/arch/alpha/kernel_stats.cc b/src/arch/alpha/kernel_stats.cc new file mode 100644 index 000000000..6fc3cb72f --- /dev/null +++ b/src/arch/alpha/kernel_stats.cc @@ -0,0 +1,211 @@ +/* + * Copyright (c) 2004-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Lisa Hsu + * Nathan Binkert + */ + +#include <map> +#include <stack> +#include <string> + +#include "arch/alpha/kernel_stats.hh" +#include "arch/alpha/osfpal.hh" +#include "base/trace.hh" +#include "cpu/thread_context.hh" +#include "kern/tru64/tru64_syscalls.hh" +#include "sim/system.hh" + +using namespace std; +using namespace Stats; + +namespace AlphaISA { +namespace Kernel { + +const char *modestr[] = { "kernel", "user", "idle" }; + +Statistics::Statistics(System *system) + : ::Kernel::Statistics(system), + idleProcess((Addr)-1), themode(kernel), lastModeTick(0) +{ +} + +void +Statistics::regStats(const string &_name) +{ + ::Kernel::Statistics::regStats(_name); + + _callpal + .init(256) + .name(name() + ".callpal") + .desc("number of callpals executed") + .flags(total | pdf | nozero | nonan) + ; + + for (int i = 0; i < PAL::NumCodes; ++i) { + const char *str = PAL::name(i); + if (str) + _callpal.subname(i, str); + } + + _hwrei + .name(name() + ".inst.hwrei") + .desc("number of hwrei instructions executed") + ; + + _mode + .init(cpu_mode_num) + .name(name() + ".mode_switch") + .desc("number of protection mode switches") + ; + + for (int i = 0; i < cpu_mode_num; ++i) + _mode.subname(i, modestr[i]); + + _modeGood + .init(cpu_mode_num) + .name(name() + ".mode_good") + ; + + for (int i = 0; i < cpu_mode_num; ++i) + _modeGood.subname(i, modestr[i]); + + _modeFraction + .name(name() + ".mode_switch_good") + .desc("fraction of useful protection mode switches") + .flags(total) + ; + + for (int i = 0; i < cpu_mode_num; ++i) + _modeFraction.subname(i, modestr[i]); + + _modeFraction = _modeGood / _mode; + + _modeTicks + .init(cpu_mode_num) + .name(name() + ".mode_ticks") + .desc("number of ticks spent at the given mode") + .flags(pdf) + ; + for (int i = 0; i < cpu_mode_num; ++i) + _modeTicks.subname(i, modestr[i]); + + _swap_context + .name(name() + ".swap_context") + .desc("number of times the context was actually changed") + ; +} + +void +Statistics::setIdleProcess(Addr idlepcbb, ThreadContext *tc) +{ + assert(themode == kernel); + idleProcess = idlepcbb; + themode = idle; + changeMode(themode, tc); +} + +void +Statistics::changeMode(cpu_mode newmode, ThreadContext *tc) +{ + _mode[newmode]++; + + if (newmode == themode) + return; + + DPRINTF(Context, "old mode=%-8s new mode=%-8s\n", + modestr[themode], modestr[newmode]); + + _modeGood[newmode]++; + _modeTicks[themode] += curTick - lastModeTick; + + lastModeTick = curTick; + themode = newmode; +} + +void +Statistics::mode(cpu_mode newmode, ThreadContext *tc) +{ + Addr pcbb = tc->readMiscReg(AlphaISA::IPR_PALtemp23); + + if (newmode == kernel && pcbb == idleProcess) + newmode = idle; + + changeMode(newmode, tc); +} + +void +Statistics::context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc) +{ + assert(themode != user); + + _swap_context++; + changeMode(newpcbb == idleProcess ? idle : kernel, tc); +} + +void +Statistics::callpal(int code, ThreadContext *tc) +{ + if (!PAL::name(code)) + return; + + _callpal[code]++; + + switch (code) { + case PAL::callsys: { + int number = tc->readIntReg(0); + if (SystemCalls<Tru64>::validSyscallNumber(number)) { + int cvtnum = SystemCalls<Tru64>::convert(number); + _syscall[cvtnum]++; + } + } break; + } +} + +void +Statistics::serialize(ostream &os) +{ + ::Kernel::Statistics::serialize(os); + int exemode = themode; + SERIALIZE_SCALAR(exemode); + SERIALIZE_SCALAR(idleProcess); + SERIALIZE_SCALAR(lastModeTick); +} + +void +Statistics::unserialize(Checkpoint *cp, const string §ion) +{ + ::Kernel::Statistics::unserialize(cp, section); + int exemode; + UNSERIALIZE_SCALAR(exemode); + UNSERIALIZE_SCALAR(idleProcess); + UNSERIALIZE_SCALAR(lastModeTick); + themode = (cpu_mode)exemode; +} + +} /* end namespace AlphaISA::Kernel */ +} /* end namespace AlphaISA */ diff --git a/src/arch/alpha/kernel_stats.hh b/src/arch/alpha/kernel_stats.hh new file mode 100644 index 000000000..7b8640ad7 --- /dev/null +++ b/src/arch/alpha/kernel_stats.hh @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2004-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Lisa Hsu + * Nathan Binkert + */ + +#ifndef __ARCH_ALPHA_KERNEL_STATS_HH__ +#define __ARCH_ALPHA_KERNEL_STATS_HH__ + +#include <map> +#include <stack> +#include <string> +#include <vector> + +#include "cpu/static_inst.hh" +#include "kern/kernel_stats.hh" + +class BaseCPU; +class ThreadContext; +class FnEvent; +// What does kernel stats expect is included? +class System; + +namespace AlphaISA { +namespace Kernel { + +enum cpu_mode { kernel, user, idle, cpu_mode_num }; +extern const char *modestr[]; + +class Statistics : public ::Kernel::Statistics +{ + protected: + Addr idleProcess; + cpu_mode themode; + Tick lastModeTick; + + void changeMode(cpu_mode newmode, ThreadContext *tc); + + private: + Stats::Vector<> _callpal; +// Stats::Vector<> _faults; + + Stats::Vector<> _mode; + Stats::Vector<> _modeGood; + Stats::Formula _modeFraction; + Stats::Vector<> _modeTicks; + + Stats::Scalar<> _swap_context; + + public: + Statistics(System *system); + + void regStats(const std::string &name); + + public: + void mode(cpu_mode newmode, ThreadContext *tc); + void context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc); + void callpal(int code, ThreadContext *tc); + void hwrei() { _hwrei++; } + + void setIdleProcess(Addr idle, ThreadContext *tc); + + public: + void serialize(std::ostream &os); + void unserialize(Checkpoint *cp, const std::string §ion); +}; + +} /* end namespace AlphaISA::Kernel */ +} /* end namespace AlphaISA */ + +#endif // __ARCH_ALPHA_KERNEL_STATS_HH__ diff --git a/src/base/kgdb.h b/src/arch/alpha/kgdb.h index 104244d0b..912cf6d45 100644 --- a/src/base/kgdb.h +++ b/src/arch/alpha/kgdb.h @@ -160,15 +160,4 @@ /* Too much? Must be large enough for register transfer. */ #define KGDB_BUFLEN 1024 -/* - * Kernel Entry Vectors. [OSF/1 PALcode Specific] - */ - -#define ALPHA_KENTRY_INT 0 -#define ALPHA_KENTRY_ARITH 1 -#define ALPHA_KENTRY_MM 2 -#define ALPHA_KENTRY_IF 3 -#define ALPHA_KENTRY_UNA 4 -#define ALPHA_KENTRY_SYS 5 - #endif /* __KGDB_H__ */ diff --git a/src/arch/alpha/linux/system.cc b/src/arch/alpha/linux/system.cc index 7cf234eeb..9a452e10f 100644 --- a/src/arch/alpha/linux/system.cc +++ b/src/arch/alpha/linux/system.cc @@ -42,6 +42,7 @@ #include "arch/arguments.hh" #include "arch/vtophys.hh" +#include "arch/alpha/idle_event.hh" #include "arch/alpha/linux/system.hh" #include "arch/alpha/linux/threadinfo.hh" #include "arch/alpha/system.hh" diff --git a/src/arch/alpha/linux/system.hh b/src/arch/alpha/linux/system.hh index 6921ba820..14396f8ab 100644 --- a/src/arch/alpha/linux/system.hh +++ b/src/arch/alpha/linux/system.hh @@ -38,6 +38,7 @@ class ThreadContext; class BreakPCEvent; class IdleStartEvent; +#include "arch/alpha/idle_event.hh" #include "arch/alpha/system.hh" #include "kern/linux/events.hh" diff --git a/src/arch/alpha/locked_mem.hh b/src/arch/alpha/locked_mem.hh index 368ea2895..52fe24173 100644 --- a/src/arch/alpha/locked_mem.hh +++ b/src/arch/alpha/locked_mem.hh @@ -37,7 +37,7 @@ * ISA-specific helper functions for locked memory accesses. */ -#include "arch/isa_traits.hh" +#include "arch/alpha/miscregfile.hh" #include "base/misc.hh" #include "mem/request.hh" @@ -48,8 +48,8 @@ template <class XC> inline void handleLockedRead(XC *xc, Request *req) { - xc->setMiscReg(Lock_Addr_DepTag, req->getPaddr() & ~0xf); - xc->setMiscReg(Lock_Flag_DepTag, true); + xc->setMiscReg(MISCREG_LOCKADDR, req->getPaddr() & ~0xf); + xc->setMiscReg(MISCREG_LOCKFLAG, true); } @@ -63,13 +63,13 @@ handleLockedWrite(XC *xc, Request *req) req->setScResult(2); } else { // standard store conditional - bool lock_flag = xc->readMiscReg(Lock_Flag_DepTag); - Addr lock_addr = xc->readMiscReg(Lock_Addr_DepTag); + bool lock_flag = xc->readMiscReg(MISCREG_LOCKFLAG); + Addr lock_addr = xc->readMiscReg(MISCREG_LOCKADDR); if (!lock_flag || (req->getPaddr() & ~0xf) != lock_addr) { // Lock flag not set or addr mismatch in CPU; // don't even bother sending to memory system req->setScResult(0); - xc->setMiscReg(Lock_Flag_DepTag, false); + xc->setMiscReg(MISCREG_LOCKFLAG, false); // the rest of this code is not architectural; // it's just a debugging aid to help detect // livelock by warning on long sequences of failed diff --git a/src/arch/alpha/miscregfile.cc b/src/arch/alpha/miscregfile.cc new file mode 100644 index 000000000..4cf57a690 --- /dev/null +++ b/src/arch/alpha/miscregfile.cc @@ -0,0 +1,161 @@ +/* + * Copyright (c) 2003-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Steve Reinhardt + * Gabe Black + * Kevin Lim + */ + +#include "arch/alpha/miscregfile.hh" +#include "base/misc.hh" + +namespace AlphaISA +{ + + void + MiscRegFile::serialize(std::ostream &os) + { + SERIALIZE_SCALAR(fpcr); + SERIALIZE_SCALAR(uniq); + SERIALIZE_SCALAR(lock_flag); + SERIALIZE_SCALAR(lock_addr); +#if FULL_SYSTEM + SERIALIZE_ARRAY(ipr, NumInternalProcRegs); +#endif + } + + void + MiscRegFile::unserialize(Checkpoint *cp, const std::string §ion) + { + UNSERIALIZE_SCALAR(fpcr); + UNSERIALIZE_SCALAR(uniq); + UNSERIALIZE_SCALAR(lock_flag); + UNSERIALIZE_SCALAR(lock_addr); +#if FULL_SYSTEM + UNSERIALIZE_ARRAY(ipr, NumInternalProcRegs); +#endif + } + + MiscReg + MiscRegFile::readReg(int misc_reg) + { + switch(misc_reg) { + case MISCREG_FPCR: + return fpcr; + case MISCREG_UNIQ: + return uniq; + case MISCREG_LOCKFLAG: + return lock_flag; + case MISCREG_LOCKADDR: + return lock_addr; + case MISCREG_INTR: + return intr_flag; +#if FULL_SYSTEM + default: + assert(misc_reg < NumInternalProcRegs); + return ipr[misc_reg]; +#else + default: + panic("Attempt to read an invalid misc register!"); + return 0; +#endif + } + } + + MiscReg + MiscRegFile::readRegWithEffect(int misc_reg, ThreadContext *tc) + { +#if FULL_SYSTEM + return readIpr(misc_reg, tc); +#else + panic("No faulting misc regs in SE mode!"); + return 0; +#endif + } + + void + MiscRegFile::setReg(int misc_reg, const MiscReg &val) + { + switch(misc_reg) { + case MISCREG_FPCR: + fpcr = val; + return; + case MISCREG_UNIQ: + uniq = val; + return; + case MISCREG_LOCKFLAG: + lock_flag = val; + return; + case MISCREG_LOCKADDR: + lock_addr = val; + return; + case MISCREG_INTR: + intr_flag = val; + return; +#if FULL_SYSTEM + default: + assert(misc_reg < NumInternalProcRegs); + ipr[misc_reg] = val; + return; +#else + default: + panic("Attempt to write to an invalid misc register!"); +#endif + } + } + + void + MiscRegFile::setRegWithEffect(int misc_reg, const MiscReg &val, + ThreadContext *tc) + { +#if FULL_SYSTEM + switch(misc_reg) { + case MISCREG_FPCR: + fpcr = val; + return; + case MISCREG_UNIQ: + uniq = val; + return; + case MISCREG_LOCKFLAG: + lock_flag = val; + return; + case MISCREG_LOCKADDR: + lock_addr = val; + return; + case MISCREG_INTR: + intr_flag = val; + return; + default: + return setIpr(misc_reg, val, tc); + } +#else + //panic("No registers with side effects in SE mode!"); + return; +#endif + } + +} diff --git a/src/arch/alpha/miscregfile.hh b/src/arch/alpha/miscregfile.hh new file mode 100644 index 000000000..31b3e59b3 --- /dev/null +++ b/src/arch/alpha/miscregfile.hh @@ -0,0 +1,123 @@ +/* + * Copyright (c) 2003-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Steve Reinhardt + * Gabe Black + */ + +#ifndef __ARCH_ALPHA_MISCREGFILE_HH__ +#define __ARCH_ALPHA_MISCREGFILE_HH__ + +#include "arch/alpha/ipr.hh" +#include "arch/alpha/types.hh" +#include "config/full_system.hh" +#include "sim/host.hh" +#include "sim/serialize.hh" + +#include <iostream> + +class Checkpoint; +class ThreadContext; + +namespace AlphaISA +{ + enum MiscRegIndex + { + MISCREG_FPCR = NumInternalProcRegs, + MISCREG_UNIQ, + MISCREG_LOCKFLAG, + MISCREG_LOCKADDR, + MISCREG_INTR + }; + + static inline std::string getMiscRegName(RegIndex) + { + return ""; + } + + class MiscRegFile { + protected: + uint64_t fpcr; // floating point condition codes + uint64_t uniq; // process-unique register + bool lock_flag; // lock flag for LL/SC + Addr lock_addr; // lock address for LL/SC + int intr_flag; + + public: + MiscRegFile() + { +#if FULL_SYSTEM + initializeIprTable(); +#endif + } + + MiscReg readReg(int misc_reg); + + MiscReg readRegWithEffect(int misc_reg, ThreadContext *tc); + + //These functions should be removed once the simplescalar cpu model + //has been replaced. + int getInstAsid(); + int getDataAsid(); + + void setReg(int misc_reg, const MiscReg &val); + + void setRegWithEffect(int misc_reg, const MiscReg &val, + ThreadContext *tc); + + void clear() + { + fpcr = uniq = 0; + lock_flag = 0; + lock_addr = 0; + intr_flag = 0; + } + + void serialize(std::ostream &os); + + void unserialize(Checkpoint *cp, const std::string §ion); +#if FULL_SYSTEM + protected: + typedef uint64_t InternalProcReg; + + InternalProcReg ipr[NumInternalProcRegs]; // Internal processor regs + + private: + InternalProcReg readIpr(int idx, ThreadContext *tc); + + void setIpr(int idx, InternalProcReg val, ThreadContext *tc); +#endif + friend class RegFile; + }; + +#if FULL_SYSTEM + void copyIprs(ThreadContext *src, ThreadContext *dest); +#endif + +} + +#endif diff --git a/src/arch/alpha/pagetable.cc b/src/arch/alpha/pagetable.cc new file mode 100644 index 000000000..0c26ccbe3 --- /dev/null +++ b/src/arch/alpha/pagetable.cc @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2006 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Gabe Black + */ + +#include "arch/alpha/pagetable.hh" +#include "sim/serialize.hh" + +namespace AlphaISA +{ + void + PTE::serialize(std::ostream &os) + { + SERIALIZE_SCALAR(tag); + SERIALIZE_SCALAR(ppn); + SERIALIZE_SCALAR(xre); + SERIALIZE_SCALAR(xwe); + SERIALIZE_SCALAR(asn); + SERIALIZE_SCALAR(asma); + SERIALIZE_SCALAR(fonr); + SERIALIZE_SCALAR(fonw); + SERIALIZE_SCALAR(valid); + } + + void + PTE::unserialize(Checkpoint *cp, const std::string §ion) + { + UNSERIALIZE_SCALAR(tag); + UNSERIALIZE_SCALAR(ppn); + UNSERIALIZE_SCALAR(xre); + UNSERIALIZE_SCALAR(xwe); + UNSERIALIZE_SCALAR(asn); + UNSERIALIZE_SCALAR(asma); + UNSERIALIZE_SCALAR(fonr); + UNSERIALIZE_SCALAR(fonw); + UNSERIALIZE_SCALAR(valid); + } +} diff --git a/src/arch/alpha/regfile.cc b/src/arch/alpha/regfile.cc new file mode 100644 index 000000000..92e1b07df --- /dev/null +++ b/src/arch/alpha/regfile.cc @@ -0,0 +1,101 @@ +/* + * Copyright (c) 2003-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Steve Reinhardt + * Gabe Black + * Kevin Lim + */ + +#include "arch/alpha/regfile.hh" +#include "cpu/thread_context.hh" + +namespace AlphaISA +{ + void + RegFile::serialize(std::ostream &os) + { + intRegFile.serialize(os); + floatRegFile.serialize(os); + miscRegFile.serialize(os); + SERIALIZE_SCALAR(pc); + SERIALIZE_SCALAR(npc); +#if FULL_SYSTEM + SERIALIZE_SCALAR(intrflag); +#endif + } + + void + RegFile::unserialize(Checkpoint *cp, const std::string §ion) + { + intRegFile.unserialize(cp, section); + floatRegFile.unserialize(cp, section); + miscRegFile.unserialize(cp, section); + UNSERIALIZE_SCALAR(pc); + UNSERIALIZE_SCALAR(npc); +#if FULL_SYSTEM + UNSERIALIZE_SCALAR(intrflag); +#endif + } + + void + copyRegs(ThreadContext *src, ThreadContext *dest) + { + // First loop through the integer registers. + for (int i = 0; i < NumIntRegs; ++i) { + dest->setIntReg(i, src->readIntReg(i)); + } + + // Then loop through the floating point registers. + for (int i = 0; i < TheISA::NumFloatRegs; ++i) { + dest->setFloatRegBits(i, src->readFloatRegBits(i)); + } + + // Copy misc. registers + copyMiscRegs(src, dest); + + // Lastly copy PC/NPC + dest->setPC(src->readPC()); + dest->setNextPC(src->readNextPC()); + } + + void + copyMiscRegs(ThreadContext *src, ThreadContext *dest) + { + dest->setMiscReg(AlphaISA::MISCREG_FPCR, + src->readMiscReg(AlphaISA::MISCREG_FPCR)); + dest->setMiscReg(AlphaISA::MISCREG_UNIQ, + src->readMiscReg(AlphaISA::MISCREG_UNIQ)); + dest->setMiscReg(AlphaISA::MISCREG_LOCKFLAG, + src->readMiscReg(AlphaISA::MISCREG_LOCKFLAG)); + dest->setMiscReg(AlphaISA::MISCREG_LOCKADDR, + src->readMiscReg(AlphaISA::MISCREG_LOCKADDR)); + +#if FULL_SYSTEM + copyIprs(src, dest); +#endif + } +} diff --git a/src/arch/alpha/regfile.hh b/src/arch/alpha/regfile.hh index 43b48a0ab..ff5830822 100644 --- a/src/arch/alpha/regfile.hh +++ b/src/arch/alpha/regfile.hh @@ -31,8 +31,11 @@ #ifndef __ARCH_ALPHA_REGFILE_HH__ #define __ARCH_ALPHA_REGFILE_HH__ -#include "arch/alpha/types.hh" #include "arch/alpha/isa_traits.hh" +#include "arch/alpha/floatregfile.hh" +#include "arch/alpha/intregfile.hh" +#include "arch/alpha/miscregfile.hh" +#include "arch/alpha/types.hh" #include "sim/faults.hh" #include <string> @@ -45,111 +48,6 @@ class ThreadContext; namespace AlphaISA { - static inline std::string getIntRegName(RegIndex) - { - return ""; - } - - static inline std::string getFloatRegName(RegIndex) - { - return ""; - } - - static inline std::string getMiscRegName(RegIndex) - { - return ""; - } - - class IntRegFile - { - protected: - IntReg regs[NumIntRegs]; - - public: - - IntReg readReg(int intReg) - { - return regs[intReg]; - } - - Fault setReg(int intReg, const IntReg &val) - { - regs[intReg] = val; - return NoFault; - } - - void serialize(std::ostream &os); - - void unserialize(Checkpoint *cp, const std::string §ion); - - void clear() - { bzero(regs, sizeof(regs)); } - }; - - class FloatRegFile - { - public: - - union { - uint64_t q[NumFloatRegs]; // integer qword view - double d[NumFloatRegs]; // double-precision floating point view - }; - - void serialize(std::ostream &os); - - void unserialize(Checkpoint *cp, const std::string §ion); - - void clear() - { bzero(d, sizeof(d)); } - }; - - class MiscRegFile { - protected: - uint64_t fpcr; // floating point condition codes - uint64_t uniq; // process-unique register - bool lock_flag; // lock flag for LL/SC - Addr lock_addr; // lock address for LL/SC - - public: - MiscReg readReg(int misc_reg); - - MiscReg readRegWithEffect(int misc_reg, Fault &fault, - ThreadContext *tc); - - //These functions should be removed once the simplescalar cpu model - //has been replaced. - int getInstAsid(); - int getDataAsid(); - - Fault setReg(int misc_reg, const MiscReg &val); - - Fault setRegWithEffect(int misc_reg, const MiscReg &val, - ThreadContext *tc); - - void clear() - { - fpcr = uniq = 0; - lock_flag = 0; - lock_addr = 0; - } - - void serialize(std::ostream &os); - - void unserialize(Checkpoint *cp, const std::string §ion); -#if FULL_SYSTEM - protected: - typedef uint64_t InternalProcReg; - - InternalProcReg ipr[NumInternalProcRegs]; // Internal processor regs - - private: - InternalProcReg readIpr(int idx, Fault &fault, ThreadContext *tc); - - Fault setIpr(int idx, InternalProcReg val, ThreadContext *tc); -#endif - friend class RegFile; - }; - class RegFile { protected: @@ -215,22 +113,20 @@ namespace AlphaISA return miscRegFile.readReg(miscReg); } - MiscReg readMiscRegWithEffect(int miscReg, - Fault &fault, ThreadContext *tc) + MiscReg readMiscRegWithEffect(int miscReg, ThreadContext *tc) { - fault = NoFault; - return miscRegFile.readRegWithEffect(miscReg, fault, tc); + return miscRegFile.readRegWithEffect(miscReg, tc); } - Fault setMiscReg(int miscReg, const MiscReg &val) + void setMiscReg(int miscReg, const MiscReg &val) { - return miscRegFile.setReg(miscReg, val); + miscRegFile.setReg(miscReg, val); } - Fault setMiscRegWithEffect(int miscReg, const MiscReg &val, + void setMiscRegWithEffect(int miscReg, const MiscReg &val, ThreadContext * tc) { - return miscRegFile.setRegWithEffect(miscReg, val, tc); + miscRegFile.setRegWithEffect(miscReg, val, tc); } FloatReg readFloatReg(int floatReg) @@ -253,26 +149,24 @@ namespace AlphaISA return readFloatRegBits(floatReg); } - Fault setFloatReg(int floatReg, const FloatReg &val) + void setFloatReg(int floatReg, const FloatReg &val) { floatRegFile.d[floatReg] = val; - return NoFault; } - Fault setFloatReg(int floatReg, const FloatReg &val, int width) + void setFloatReg(int floatReg, const FloatReg &val, int width) { - return setFloatReg(floatReg, val); + setFloatReg(floatReg, val); } - Fault setFloatRegBits(int floatReg, const FloatRegBits &val) + void setFloatRegBits(int floatReg, const FloatRegBits &val) { floatRegFile.q[floatReg] = val; - return NoFault; } - Fault setFloatRegBits(int floatReg, const FloatRegBits &val, int width) + void setFloatRegBits(int floatReg, const FloatRegBits &val, int width) { - return setFloatRegBits(floatReg, val); + setFloatRegBits(floatReg, val); } IntReg readIntReg(int intReg) @@ -280,9 +174,9 @@ namespace AlphaISA return intRegFile.readReg(intReg); } - Fault setIntReg(int intReg, const IntReg &val) + void setIntReg(int intReg, const IntReg &val) { - return intRegFile.setReg(intReg, val); + intRegFile.setReg(intReg, val); } void serialize(std::ostream &os); @@ -298,10 +192,6 @@ namespace AlphaISA void copyRegs(ThreadContext *src, ThreadContext *dest); void copyMiscRegs(ThreadContext *src, ThreadContext *dest); - -#if FULL_SYSTEM - void copyIprs(ThreadContext *src, ThreadContext *dest); -#endif } // namespace AlphaISA #endif diff --git a/src/arch/alpha/remote_gdb.cc b/src/arch/alpha/remote_gdb.cc new file mode 100644 index 000000000..f23fc3205 --- /dev/null +++ b/src/arch/alpha/remote_gdb.cc @@ -0,0 +1,309 @@ +/* + * Copyright (c) 2002-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Nathan Binkert + */ + +/* + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Lawrence Berkeley Laboratories. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)kgdb_stub.c 8.4 (Berkeley) 1/12/94 + */ + +/*- + * Copyright (c) 2001 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jason R. Thorpe. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * $NetBSD: kgdb_stub.c,v 1.8 2001/07/07 22:58:00 wdk Exp $ + * + * Taken from NetBSD + * + * "Stub" to allow remote cpu to debug over a serial line using gdb. + */ + +#include <sys/signal.h> + +#include <string> +#include <unistd.h> + +#include "arch/alpha/kgdb.h" +#include "arch/alpha/remote_gdb.hh" +#include "arch/vtophys.hh" +#include "base/intmath.hh" +#include "base/remote_gdb.hh" +#include "base/socket.hh" +#include "base/trace.hh" +#include "config/full_system.hh" +#include "cpu/thread_context.hh" +#include "cpu/static_inst.hh" +#include "mem/physical.hh" +#include "mem/port.hh" +#include "sim/system.hh" + +using namespace std; +using namespace TheISA; + +RemoteGDB::RemoteGDB(System *_system, ThreadContext *c) + : BaseRemoteGDB(_system, c, KGDB_NUMREGS) +{ + memset(gdbregs.regs, 0, gdbregs.bytes()); +} + +/////////////////////////////////////////////////////////// +// RemoteGDB::acc +// +// Determine if the mapping at va..(va+len) is valid. +// +bool +RemoteGDB::acc(Addr va, size_t len) +{ + Addr last_va; + + va = TheISA::TruncPage(va); + last_va = TheISA::RoundPage(va + len); + + do { + if (TheISA::IsK0Seg(va)) { + if (va < (TheISA::K0SegBase + pmem->size())) { + DPRINTF(GDBAcc, "acc: Mapping is valid K0SEG <= " + "%#x < K0SEG + size\n", va); + return true; + } else { + DPRINTF(GDBAcc, "acc: Mapping invalid %#x > K0SEG + size\n", + va); + return false; + } + } + + /** + * This code says that all accesses to palcode (instruction and data) + * are valid since there isn't a va->pa mapping because palcode is + * accessed physically. At some point this should probably be cleaned up + * but there is no easy way to do it. + */ + + if (AlphaISA::PcPAL(va) || va < 0x10000) + return true; + + Addr ptbr = context->readMiscReg(AlphaISA::IPR_PALtemp20); + TheISA::PageTableEntry pte = TheISA::kernel_pte_lookup(context->getPhysPort(), ptbr, va); + if (!pte.valid()) { + DPRINTF(GDBAcc, "acc: %#x pte is invalid\n", va); + return false; + } + va += TheISA::PageBytes; + } while (va < last_va); + + DPRINTF(GDBAcc, "acc: %#x mapping is valid\n", va); + return true; +} + +/////////////////////////////////////////////////////////// +// RemoteGDB::getregs +// +// Translate the kernel debugger register format into +// the GDB register format. +void +RemoteGDB::getregs() +{ + memset(gdbregs.regs, 0, gdbregs.bytes()); + + gdbregs.regs[KGDB_REG_PC] = context->readPC(); + + // @todo: Currently this is very Alpha specific. + if (AlphaISA::PcPAL(gdbregs.regs[KGDB_REG_PC])) { + for (int i = 0; i < TheISA::NumIntArchRegs; ++i) { + gdbregs.regs[i] = context->readIntReg(AlphaISA::reg_redir[i]); + } + } else { + for (int i = 0; i < TheISA::NumIntArchRegs; ++i) { + gdbregs.regs[i] = context->readIntReg(i); + } + } + +#ifdef KGDB_FP_REGS + for (int i = 0; i < TheISA::NumFloatArchRegs; ++i) { + gdbregs.regs[i + KGDB_REG_F0] = context->readFloatRegBits(i); + } +#endif +} + +/////////////////////////////////////////////////////////// +// RemoteGDB::setregs +// +// Translate the GDB register format into the kernel +// debugger register format. +// +void +RemoteGDB::setregs() +{ + // @todo: Currently this is very Alpha specific. + if (AlphaISA::PcPAL(gdbregs.regs[KGDB_REG_PC])) { + for (int i = 0; i < TheISA::NumIntArchRegs; ++i) { + context->setIntReg(AlphaISA::reg_redir[i], gdbregs.regs[i]); + } + } else { + for (int i = 0; i < TheISA::NumIntArchRegs; ++i) { + context->setIntReg(i, gdbregs.regs[i]); + } + } + +#ifdef KGDB_FP_REGS + for (int i = 0; i < TheISA::NumFloatArchRegs; ++i) { + context->setFloatRegBits(i, gdbregs.regs[i + KGDB_REG_F0]); + } +#endif + context->setPC(gdbregs.regs[KGDB_REG_PC]); +} + +void +RemoteGDB::clearSingleStep() +{ + DPRINTF(GDBMisc, "clearSingleStep bt_addr=%#x nt_addr=%#x\n", + takenBkpt, notTakenBkpt); + + if (takenBkpt != 0) + clearTempBreakpoint(takenBkpt); + + if (notTakenBkpt != 0) + clearTempBreakpoint(notTakenBkpt); +} + +void +RemoteGDB::setSingleStep() +{ + Addr pc = context->readPC(); + Addr npc, bpc; + bool set_bt = false; + + npc = pc + sizeof(MachInst); + + // User was stopped at pc, e.g. the instruction at pc was not + // executed. + MachInst inst = read<MachInst>(pc); + StaticInstPtr si(inst); + if (si->hasBranchTarget(pc, context, bpc)) { + // Don't bother setting a breakpoint on the taken branch if it + // is the same as the next pc + if (bpc != npc) + set_bt = true; + } + + DPRINTF(GDBMisc, "setSingleStep bt_addr=%#x nt_addr=%#x\n", + takenBkpt, notTakenBkpt); + + setTempBreakpoint(notTakenBkpt = npc); + + if (set_bt) + setTempBreakpoint(takenBkpt = bpc); +} + +// Write bytes to kernel address space for debugger. +bool +RemoteGDB::write(Addr vaddr, size_t size, const char *data) +{ + if (BaseRemoteGDB::write(vaddr, size, data)) { +#ifdef IMB + alpha_pal_imb(); +#endif + return true; + } else { + return false; + } +} + diff --git a/src/arch/alpha/remote_gdb.hh b/src/arch/alpha/remote_gdb.hh new file mode 100644 index 000000000..7bef183c3 --- /dev/null +++ b/src/arch/alpha/remote_gdb.hh @@ -0,0 +1,74 @@ +/* + * Copyright (c) 2002-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Nathan Binkert + */ + +#ifndef __ARCH_ALPHA_REMOTE_GDB_HH__ +#define __ARCH_ALPHA_REMOTE_GDB_HH__ + +#include <map> + +#include "arch/alpha/types.hh" +#include "arch/alpha/kgdb.h" +#include "base/remote_gdb.hh" +#include "cpu/pc_event.hh" +#include "base/pollevent.hh" +#include "base/socket.hh" + +class System; +class ThreadContext; +class PhysicalMemory; + +namespace AlphaISA +{ + class RemoteGDB : public BaseRemoteGDB + { + protected: + // Machine memory + bool write(Addr addr, size_t size, const char *data); + + public: + RemoteGDB(System *system, ThreadContext *context); + + bool acc(Addr addr, size_t len); + + protected: + void getregs(); + void setregs(); + + void clearSingleStep(); + void setSingleStep(); + + protected: + + Addr notTakenBkpt; + Addr takenBkpt; + }; +} + +#endif /* __ARCH_ALPHA_REMOTE_GDB_H__ */ diff --git a/src/arch/alpha/stacktrace.cc b/src/arch/alpha/stacktrace.cc index d70a4d6dd..c4612e156 100644 --- a/src/arch/alpha/stacktrace.cc +++ b/src/arch/alpha/stacktrace.cc @@ -40,329 +40,331 @@ #include "sim/system.hh" using namespace std; -using namespace AlphaISA; -ProcessInfo::ProcessInfo(ThreadContext *_tc) - : tc(_tc) +namespace AlphaISA { - Addr addr = 0; + ProcessInfo::ProcessInfo(ThreadContext *_tc) + : tc(_tc) + { + Addr addr = 0; - VirtualPort *vp; + VirtualPort *vp; - vp = tc->getVirtPort(); + vp = tc->getVirtPort(); - if (!tc->getSystemPtr()->kernelSymtab->findAddress("thread_info_size", addr)) - panic("thread info not compiled into kernel\n"); - thread_info_size = vp->readGtoH<int32_t>(addr); + if (!tc->getSystemPtr()->kernelSymtab->findAddress("thread_info_size", addr)) + panic("thread info not compiled into kernel\n"); + thread_info_size = vp->readGtoH<int32_t>(addr); - if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_size", addr)) - panic("thread info not compiled into kernel\n"); - task_struct_size = vp->readGtoH<int32_t>(addr); + if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_size", addr)) + panic("thread info not compiled into kernel\n"); + task_struct_size = vp->readGtoH<int32_t>(addr); - if (!tc->getSystemPtr()->kernelSymtab->findAddress("thread_info_task", addr)) - panic("thread info not compiled into kernel\n"); - task_off = vp->readGtoH<int32_t>(addr); + if (!tc->getSystemPtr()->kernelSymtab->findAddress("thread_info_task", addr)) + panic("thread info not compiled into kernel\n"); + task_off = vp->readGtoH<int32_t>(addr); - if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_pid", addr)) - panic("thread info not compiled into kernel\n"); - pid_off = vp->readGtoH<int32_t>(addr); + if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_pid", addr)) + panic("thread info not compiled into kernel\n"); + pid_off = vp->readGtoH<int32_t>(addr); - if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_comm", addr)) - panic("thread info not compiled into kernel\n"); - name_off = vp->readGtoH<int32_t>(addr); + if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_comm", addr)) + panic("thread info not compiled into kernel\n"); + name_off = vp->readGtoH<int32_t>(addr); - tc->delVirtPort(vp); -} - -Addr -ProcessInfo::task(Addr ksp) const -{ - Addr base = ksp & ~0x3fff; - if (base == ULL(0xfffffc0000000000)) - return 0; + tc->delVirtPort(vp); + } - Addr tsk; + Addr + ProcessInfo::task(Addr ksp) const + { + Addr base = ksp & ~0x3fff; + if (base == ULL(0xfffffc0000000000)) + return 0; - VirtualPort *vp; + Addr tsk; - vp = tc->getVirtPort(); - tsk = vp->readGtoH<Addr>(base + task_off); - tc->delVirtPort(vp); + VirtualPort *vp; - return tsk; -} + vp = tc->getVirtPort(); + tsk = vp->readGtoH<Addr>(base + task_off); + tc->delVirtPort(vp); -int -ProcessInfo::pid(Addr ksp) const -{ - Addr task = this->task(ksp); - if (!task) - return -1; + return tsk; + } - uint16_t pd; + int + ProcessInfo::pid(Addr ksp) const + { + Addr task = this->task(ksp); + if (!task) + return -1; - VirtualPort *vp; + uint16_t pd; - vp = tc->getVirtPort(); - pd = vp->readGtoH<uint16_t>(task + pid_off); - tc->delVirtPort(vp); + VirtualPort *vp; - return pd; -} + vp = tc->getVirtPort(); + pd = vp->readGtoH<uint16_t>(task + pid_off); + tc->delVirtPort(vp); -string -ProcessInfo::name(Addr ksp) const -{ - Addr task = this->task(ksp); - if (!task) - return "console"; + return pd; + } - char comm[256]; - CopyStringOut(tc, comm, task + name_off, sizeof(comm)); - if (!comm[0]) - return "startup"; + string + ProcessInfo::name(Addr ksp) const + { + Addr task = this->task(ksp); + if (!task) + return "console"; - return comm; -} + char comm[256]; + CopyStringOut(tc, comm, task + name_off, sizeof(comm)); + if (!comm[0]) + return "startup"; -StackTrace::StackTrace() - : tc(0), stack(64) -{ -} + return comm; + } -StackTrace::StackTrace(ThreadContext *_tc, StaticInstPtr inst) - : tc(0), stack(64) -{ - trace(_tc, inst); -} + StackTrace::StackTrace() + : tc(0), stack(64) + { + } -StackTrace::~StackTrace() -{ -} + StackTrace::StackTrace(ThreadContext *_tc, StaticInstPtr inst) + : tc(0), stack(64) + { + trace(_tc, inst); + } -void -StackTrace::trace(ThreadContext *_tc, bool is_call) -{ - tc = _tc; + StackTrace::~StackTrace() + { + } - bool usermode = (tc->readMiscReg(AlphaISA::IPR_DTB_CM) & 0x18) != 0; + void + StackTrace::trace(ThreadContext *_tc, bool is_call) + { + tc = _tc; - Addr pc = tc->readNextPC(); - bool kernel = tc->getSystemPtr()->kernelStart <= pc && - pc <= tc->getSystemPtr()->kernelEnd; + bool usermode = (tc->readMiscReg(AlphaISA::IPR_DTB_CM) & 0x18) != 0; - if (usermode) { - stack.push_back(user); - return; - } + Addr pc = tc->readNextPC(); + bool kernel = tc->getSystemPtr()->kernelStart <= pc && + pc <= tc->getSystemPtr()->kernelEnd; - if (!kernel) { - stack.push_back(console); - return; - } + if (usermode) { + stack.push_back(user); + return; + } - SymbolTable *symtab = tc->getSystemPtr()->kernelSymtab; - Addr ksp = tc->readIntReg(TheISA::StackPointerReg); - Addr bottom = ksp & ~0x3fff; - Addr addr; + if (!kernel) { + stack.push_back(console); + return; + } - if (is_call) { - if (!symtab->findNearestAddr(pc, addr)) - panic("could not find address %#x", pc); + SymbolTable *symtab = tc->getSystemPtr()->kernelSymtab; + Addr ksp = tc->readIntReg(TheISA::StackPointerReg); + Addr bottom = ksp & ~0x3fff; + Addr addr; - stack.push_back(addr); - pc = tc->readPC(); - } + if (is_call) { + if (!symtab->findNearestAddr(pc, addr)) + panic("could not find address %#x", pc); - Addr ra; - int size; + stack.push_back(addr); + pc = tc->readPC(); + } - while (ksp > bottom) { - if (!symtab->findNearestAddr(pc, addr)) - panic("could not find symbol for pc=%#x", pc); - assert(pc >= addr && "symbol botch: callpc < func"); + Addr ra; + int size; - stack.push_back(addr); + while (ksp > bottom) { + if (!symtab->findNearestAddr(pc, addr)) + panic("could not find symbol for pc=%#x", pc); + assert(pc >= addr && "symbol botch: callpc < func"); - if (isEntry(addr)) - return; + stack.push_back(addr); - if (decodePrologue(ksp, pc, addr, size, ra)) { - if (!ra) + if (isEntry(addr)) return; - if (size <= 0) { + if (decodePrologue(ksp, pc, addr, size, ra)) { + if (!ra) + return; + + if (size <= 0) { + stack.push_back(unknown); + return; + } + + pc = ra; + ksp += size; + } else { stack.push_back(unknown); return; } - pc = ra; - ksp += size; - } else { - stack.push_back(unknown); - return; - } + bool kernel = tc->getSystemPtr()->kernelStart <= pc && + pc <= tc->getSystemPtr()->kernelEnd; + if (!kernel) + return; - bool kernel = tc->getSystemPtr()->kernelStart <= pc && - pc <= tc->getSystemPtr()->kernelEnd; - if (!kernel) - return; + if (stack.size() >= 1000) + panic("unwinding too far"); + } - if (stack.size() >= 1000) - panic("unwinding too far"); + panic("unwinding too far"); } - panic("unwinding too far"); -} + bool + StackTrace::isEntry(Addr addr) + { + if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp12)) + return true; -bool -StackTrace::isEntry(Addr addr) -{ - if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp12)) - return true; + if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp7)) + return true; - if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp7)) - return true; + if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp11)) + return true; - if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp11)) - return true; + if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp21)) + return true; - if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp21)) - return true; + if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp9)) + return true; - if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp9)) - return true; - - if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp2)) - return true; + if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp2)) + return true; - return false; -} - -bool -StackTrace::decodeStack(MachInst inst, int &disp) -{ - // lda $sp, -disp($sp) - // - // Opcode<31:26> == 0x08 - // RA<25:21> == 30 - // RB<20:16> == 30 - // Disp<15:0> - const MachInst mem_mask = 0xffff0000; - const MachInst lda_pattern = 0x23de0000; - const MachInst lda_disp_mask = 0x0000ffff; - - // subq $sp, disp, $sp - // addq $sp, disp, $sp - // - // Opcode<31:26> == 0x10 - // RA<25:21> == 30 - // Lit<20:13> - // One<12> = 1 - // Func<11:5> == 0x20 (addq) - // Func<11:5> == 0x29 (subq) - // RC<4:0> == 30 - const MachInst intop_mask = 0xffe01fff; - const MachInst addq_pattern = 0x43c0141e; - const MachInst subq_pattern = 0x43c0153e; - const MachInst intop_disp_mask = 0x001fe000; - const int intop_disp_shift = 13; - - if ((inst & mem_mask) == lda_pattern) - disp = -sext<16>(inst & lda_disp_mask); - else if ((inst & intop_mask) == addq_pattern) - disp = -int((inst & intop_disp_mask) >> intop_disp_shift); - else if ((inst & intop_mask) == subq_pattern) - disp = int((inst & intop_disp_mask) >> intop_disp_shift); - else return false; + } - return true; -} + bool + StackTrace::decodeStack(MachInst inst, int &disp) + { + // lda $sp, -disp($sp) + // + // Opcode<31:26> == 0x08 + // RA<25:21> == 30 + // RB<20:16> == 30 + // Disp<15:0> + const MachInst mem_mask = 0xffff0000; + const MachInst lda_pattern = 0x23de0000; + const MachInst lda_disp_mask = 0x0000ffff; + + // subq $sp, disp, $sp + // addq $sp, disp, $sp + // + // Opcode<31:26> == 0x10 + // RA<25:21> == 30 + // Lit<20:13> + // One<12> = 1 + // Func<11:5> == 0x20 (addq) + // Func<11:5> == 0x29 (subq) + // RC<4:0> == 30 + const MachInst intop_mask = 0xffe01fff; + const MachInst addq_pattern = 0x43c0141e; + const MachInst subq_pattern = 0x43c0153e; + const MachInst intop_disp_mask = 0x001fe000; + const int intop_disp_shift = 13; + + if ((inst & mem_mask) == lda_pattern) + disp = -sext<16>(inst & lda_disp_mask); + else if ((inst & intop_mask) == addq_pattern) + disp = -int((inst & intop_disp_mask) >> intop_disp_shift); + else if ((inst & intop_mask) == subq_pattern) + disp = int((inst & intop_disp_mask) >> intop_disp_shift); + else + return false; -bool -StackTrace::decodeSave(MachInst inst, int ®, int &disp) -{ - // lda $stq, disp($sp) - // - // Opcode<31:26> == 0x08 - // RA<25:21> == ? - // RB<20:16> == 30 - // Disp<15:0> - const MachInst stq_mask = 0xfc1f0000; - const MachInst stq_pattern = 0xb41e0000; - const MachInst stq_disp_mask = 0x0000ffff; - const MachInst reg_mask = 0x03e00000; - const int reg_shift = 21; - - if ((inst & stq_mask) == stq_pattern) { - reg = (inst & reg_mask) >> reg_shift; - disp = sext<16>(inst & stq_disp_mask); - } else { - return false; + return true; } - return true; -} + bool + StackTrace::decodeSave(MachInst inst, int ®, int &disp) + { + // lda $stq, disp($sp) + // + // Opcode<31:26> == 0x08 + // RA<25:21> == ? + // RB<20:16> == 30 + // Disp<15:0> + const MachInst stq_mask = 0xfc1f0000; + const MachInst stq_pattern = 0xb41e0000; + const MachInst stq_disp_mask = 0x0000ffff; + const MachInst reg_mask = 0x03e00000; + const int reg_shift = 21; + + if ((inst & stq_mask) == stq_pattern) { + reg = (inst & reg_mask) >> reg_shift; + disp = sext<16>(inst & stq_disp_mask); + } else { + return false; + } -/* - * Decode the function prologue for the function we're in, and note - * which registers are stored where, and how large the stack frame is. - */ -bool -StackTrace::decodePrologue(Addr sp, Addr callpc, Addr func, - int &size, Addr &ra) -{ - size = 0; - ra = 0; - - for (Addr pc = func; pc < callpc; pc += sizeof(MachInst)) { - MachInst inst; - CopyOut(tc, (uint8_t *)&inst, pc, sizeof(MachInst)); - - int reg, disp; - if (decodeStack(inst, disp)) { - if (size) { - // panic("decoding frame size again"); - return true; - } - size += disp; - } else if (decodeSave(inst, reg, disp)) { - if (!ra && reg == ReturnAddressReg) { - CopyOut(tc, (uint8_t *)&ra, sp + disp, sizeof(Addr)); - if (!ra) { - // panic("no return address value pc=%#x\n", pc); - return false; + return true; + } + + /* + * Decode the function prologue for the function we're in, and note + * which registers are stored where, and how large the stack frame is. + */ + bool + StackTrace::decodePrologue(Addr sp, Addr callpc, Addr func, + int &size, Addr &ra) + { + size = 0; + ra = 0; + + for (Addr pc = func; pc < callpc; pc += sizeof(MachInst)) { + MachInst inst; + CopyOut(tc, (uint8_t *)&inst, pc, sizeof(MachInst)); + + int reg, disp; + if (decodeStack(inst, disp)) { + if (size) { + // panic("decoding frame size again"); + return true; + } + size += disp; + } else if (decodeSave(inst, reg, disp)) { + if (!ra && reg == ReturnAddressReg) { + CopyOut(tc, (uint8_t *)&ra, sp + disp, sizeof(Addr)); + if (!ra) { + // panic("no return address value pc=%#x\n", pc); + return false; + } } } } - } - return true; -} + return true; + } #if TRACING_ON -void -StackTrace::dump() -{ - StringWrap name(tc->getCpuPtr()->name()); - SymbolTable *symtab = tc->getSystemPtr()->kernelSymtab; - - DPRINTFN("------ Stack ------\n"); - - string symbol; - for (int i = 0, size = stack.size(); i < size; ++i) { - Addr addr = stack[size - i - 1]; - if (addr == user) - symbol = "user"; - else if (addr == console) - symbol = "console"; - else if (addr == unknown) - symbol = "unknown"; - else - symtab->findSymbol(addr, symbol); - - DPRINTFN("%#x: %s\n", addr, symbol); + void + StackTrace::dump() + { + StringWrap name(tc->getCpuPtr()->name()); + SymbolTable *symtab = tc->getSystemPtr()->kernelSymtab; + + DPRINTFN("------ Stack ------\n"); + + string symbol; + for (int i = 0, size = stack.size(); i < size; ++i) { + Addr addr = stack[size - i - 1]; + if (addr == user) + symbol = "user"; + else if (addr == console) + symbol = "console"; + else if (addr == unknown) + symbol = "unknown"; + else + symtab->findSymbol(addr, symbol); + + DPRINTFN("%#x: %s\n", addr, symbol); + } } -} #endif +} diff --git a/src/arch/alpha/stacktrace.hh b/src/arch/alpha/stacktrace.hh index d12aee211..834abbc2f 100644 --- a/src/arch/alpha/stacktrace.hh +++ b/src/arch/alpha/stacktrace.hh @@ -35,87 +35,91 @@ #include "cpu/static_inst.hh" class ThreadContext; -class StackTrace; -class ProcessInfo +namespace AlphaISA { - private: - ThreadContext *tc; + class StackTrace; - int thread_info_size; - int task_struct_size; - int task_off; - int pid_off; - int name_off; + class ProcessInfo + { + private: + ThreadContext *tc; - public: - ProcessInfo(ThreadContext *_tc); + int thread_info_size; + int task_struct_size; + int task_off; + int pid_off; + int name_off; - Addr task(Addr ksp) const; - int pid(Addr ksp) const; - std::string name(Addr ksp) const; -}; + public: + ProcessInfo(ThreadContext *_tc); -class StackTrace -{ - protected: - typedef TheISA::MachInst MachInst; - private: - ThreadContext *tc; - std::vector<Addr> stack; - - private: - bool isEntry(Addr addr); - bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra); - bool decodeSave(MachInst inst, int ®, int &disp); - bool decodeStack(MachInst inst, int &disp); - - void trace(ThreadContext *tc, bool is_call); - - public: - StackTrace(); - StackTrace(ThreadContext *tc, StaticInstPtr inst); - ~StackTrace(); - - void clear() + Addr task(Addr ksp) const; + int pid(Addr ksp) const; + std::string name(Addr ksp) const; + }; + + class StackTrace { - tc = 0; - stack.clear(); - } + protected: + typedef TheISA::MachInst MachInst; + private: + ThreadContext *tc; + std::vector<Addr> stack; + + private: + bool isEntry(Addr addr); + bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra); + bool decodeSave(MachInst inst, int ®, int &disp); + bool decodeStack(MachInst inst, int &disp); + + void trace(ThreadContext *tc, bool is_call); - bool valid() const { return tc != NULL; } - bool trace(ThreadContext *tc, StaticInstPtr inst); + public: + StackTrace(); + StackTrace(ThreadContext *tc, StaticInstPtr inst); + ~StackTrace(); - public: - const std::vector<Addr> &getstack() const { return stack; } + void clear() + { + tc = 0; + stack.clear(); + } - static const int user = 1; - static const int console = 2; - static const int unknown = 3; + bool valid() const { return tc != NULL; } + bool trace(ThreadContext *tc, StaticInstPtr inst); + + public: + const std::vector<Addr> &getstack() const { return stack; } + + static const int user = 1; + static const int console = 2; + static const int unknown = 3; #if TRACING_ON - private: - void dump(); + private: + void dump(); - public: - void dprintf() { if (DTRACE(Stack)) dump(); } + public: + void dprintf() { if (DTRACE(Stack)) dump(); } #else - public: - void dprintf() {} + public: + void dprintf() {} #endif -}; + }; -inline bool -StackTrace::trace(ThreadContext *tc, StaticInstPtr inst) -{ - if (!inst->isCall() && !inst->isReturn()) - return false; + inline bool + StackTrace::trace(ThreadContext *tc, StaticInstPtr inst) + { + if (!inst->isCall() && !inst->isReturn()) + return false; - if (valid()) - clear(); + if (valid()) + clear(); - trace(tc, !inst->isReturn()); - return true; + trace(tc, !inst->isReturn()); + return true; + } } #endif // __ARCH_ALPHA_STACKTRACE_HH__ diff --git a/src/arch/alpha/system.cc b/src/arch/alpha/system.cc index 5597eaedc..cd923948c 100644 --- a/src/arch/alpha/system.cc +++ b/src/arch/alpha/system.cc @@ -29,10 +29,12 @@ * Nathan Binkert */ +#include <sys/signal.h> + #include "arch/alpha/ev5.hh" #include "arch/alpha/system.hh" +#include "arch/alpha/remote_gdb.hh" #include "arch/vtophys.hh" -#include "base/remote_gdb.hh" #include "base/loader/object_file.hh" #include "base/loader/symtab.hh" #include "base/trace.hh" @@ -196,7 +198,7 @@ AlphaSystem::setAlphaAccess(Addr access) bool AlphaSystem::breakpoint() { - return remoteGDB[0]->trap(ALPHA_KENTRY_INT); + return remoteGDB[0]->trap(SIGTRAP); } void diff --git a/src/arch/alpha/tlb.cc b/src/arch/alpha/tlb.cc index bab44c434..ae302e686 100644 --- a/src/arch/alpha/tlb.cc +++ b/src/arch/alpha/tlb.cc @@ -46,589 +46,591 @@ using namespace std; using namespace EV5; -/////////////////////////////////////////////////////////////////////// -// -// Alpha TLB -// +namespace AlphaISA +{ + /////////////////////////////////////////////////////////////////////// + // + // Alpha TLB + // #ifdef DEBUG -bool uncacheBit39 = false; -bool uncacheBit40 = false; + bool uncacheBit39 = false; + bool uncacheBit40 = false; #endif #define MODE2MASK(X) (1 << (X)) -AlphaTLB::AlphaTLB(const string &name, int s) - : SimObject(name), size(s), nlu(0) -{ - table = new AlphaISA::PTE[size]; - memset(table, 0, sizeof(AlphaISA::PTE[size])); -} + TLB::TLB(const string &name, int s) + : SimObject(name), size(s), nlu(0) + { + table = new PTE[size]; + memset(table, 0, sizeof(PTE[size])); + } -AlphaTLB::~AlphaTLB() -{ - if (table) - delete [] table; -} + TLB::~TLB() + { + if (table) + delete [] table; + } -// look up an entry in the TLB -AlphaISA::PTE * -AlphaTLB::lookup(Addr vpn, uint8_t asn) const -{ - // assume not found... - AlphaISA::PTE *retval = NULL; + // look up an entry in the TLB + PTE * + TLB::lookup(Addr vpn, uint8_t asn) const + { + // assume not found... + PTE *retval = NULL; + + PageTable::const_iterator i = lookupTable.find(vpn); + if (i != lookupTable.end()) { + while (i->first == vpn) { + int index = i->second; + PTE *pte = &table[index]; + assert(pte->valid); + if (vpn == pte->tag && (pte->asma || pte->asn == asn)) { + retval = pte; + break; + } - PageTable::const_iterator i = lookupTable.find(vpn); - if (i != lookupTable.end()) { - while (i->first == vpn) { - int index = i->second; - AlphaISA::PTE *pte = &table[index]; - assert(pte->valid); - if (vpn == pte->tag && (pte->asma || pte->asn == asn)) { - retval = pte; - break; + ++i; } - - ++i; } - } - DPRINTF(TLB, "lookup %#x, asn %#x -> %s ppn %#x\n", vpn, (int)asn, - retval ? "hit" : "miss", retval ? retval->ppn : 0); - return retval; -} + DPRINTF(TLB, "lookup %#x, asn %#x -> %s ppn %#x\n", vpn, (int)asn, + retval ? "hit" : "miss", retval ? retval->ppn : 0); + return retval; + } -Fault -AlphaTLB::checkCacheability(RequestPtr &req) -{ - // in Alpha, cacheability is controlled by upper-level bits of the - // physical address + Fault + TLB::checkCacheability(RequestPtr &req) + { + // in Alpha, cacheability is controlled by upper-level bits of the + // physical address - /* - * We support having the uncacheable bit in either bit 39 or bit 40. - * The Turbolaser platform (and EV5) support having the bit in 39, but - * Tsunami (which Linux assumes uses an EV6) generates accesses with - * the bit in 40. So we must check for both, but we have debug flags - * to catch a weird case where both are used, which shouldn't happen. - */ + /* + * We support having the uncacheable bit in either bit 39 or bit 40. + * The Turbolaser platform (and EV5) support having the bit in 39, but + * Tsunami (which Linux assumes uses an EV6) generates accesses with + * the bit in 40. So we must check for both, but we have debug flags + * to catch a weird case where both are used, which shouldn't happen. + */ #if ALPHA_TLASER - if (req->getPaddr() & PAddrUncachedBit39) { + if (req->getPaddr() & PAddrUncachedBit39) { #else - if (req->getPaddr() & PAddrUncachedBit43) { + if (req->getPaddr() & PAddrUncachedBit43) { #endif - // IPR memory space not implemented - if (PAddrIprSpace(req->getPaddr())) { - return new UnimpFault("IPR memory space not implemented!"); - } else { - // mark request as uncacheable - req->setFlags(req->getFlags() | UNCACHEABLE); + // IPR memory space not implemented + if (PAddrIprSpace(req->getPaddr())) { + return new UnimpFault("IPR memory space not implemented!"); + } else { + // mark request as uncacheable + req->setFlags(req->getFlags() | UNCACHEABLE); #if !ALPHA_TLASER - // Clear bits 42:35 of the physical address (10-2 in Tsunami manual) - req->setPaddr(req->getPaddr() & PAddrUncachedMask); + // Clear bits 42:35 of the physical address (10-2 in Tsunami manual) + req->setPaddr(req->getPaddr() & PAddrUncachedMask); #endif + } } + return NoFault; } - return NoFault; -} -// insert a new TLB entry -void -AlphaTLB::insert(Addr addr, AlphaISA::PTE &pte) -{ - AlphaISA::VAddr vaddr = addr; - if (table[nlu].valid) { - Addr oldvpn = table[nlu].tag; - PageTable::iterator i = lookupTable.find(oldvpn); + // insert a new TLB entry + void + TLB::insert(Addr addr, PTE &pte) + { + VAddr vaddr = addr; + if (table[nlu].valid) { + Addr oldvpn = table[nlu].tag; + PageTable::iterator i = lookupTable.find(oldvpn); - if (i == lookupTable.end()) - panic("TLB entry not found in lookupTable"); - - int index; - while ((index = i->second) != nlu) { - if (table[index].tag != oldvpn) + if (i == lookupTable.end()) panic("TLB entry not found in lookupTable"); - ++i; + int index; + while ((index = i->second) != nlu) { + if (table[index].tag != oldvpn) + panic("TLB entry not found in lookupTable"); + + ++i; + } + + DPRINTF(TLB, "remove @%d: %#x -> %#x\n", nlu, oldvpn, table[nlu].ppn); + + lookupTable.erase(i); } - DPRINTF(TLB, "remove @%d: %#x -> %#x\n", nlu, oldvpn, table[nlu].ppn); + DPRINTF(TLB, "insert @%d: %#x -> %#x\n", nlu, vaddr.vpn(), pte.ppn); - lookupTable.erase(i); - } + table[nlu] = pte; + table[nlu].tag = vaddr.vpn(); + table[nlu].valid = true; - DPRINTF(TLB, "insert @%d: %#x -> %#x\n", nlu, vaddr.vpn(), pte.ppn); + lookupTable.insert(make_pair(vaddr.vpn(), nlu)); + nextnlu(); + } - table[nlu] = pte; - table[nlu].tag = vaddr.vpn(); - table[nlu].valid = true; + void + TLB::flushAll() + { + DPRINTF(TLB, "flushAll\n"); + memset(table, 0, sizeof(PTE[size])); + lookupTable.clear(); + nlu = 0; + } - lookupTable.insert(make_pair(vaddr.vpn(), nlu)); - nextnlu(); -} + void + TLB::flushProcesses() + { + PageTable::iterator i = lookupTable.begin(); + PageTable::iterator end = lookupTable.end(); + while (i != end) { + int index = i->second; + PTE *pte = &table[index]; + assert(pte->valid); -void -AlphaTLB::flushAll() -{ - DPRINTF(TLB, "flushAll\n"); - memset(table, 0, sizeof(AlphaISA::PTE[size])); - lookupTable.clear(); - nlu = 0; -} + // we can't increment i after we erase it, so save a copy and + // increment it to get the next entry now + PageTable::iterator cur = i; + ++i; -void -AlphaTLB::flushProcesses() -{ - PageTable::iterator i = lookupTable.begin(); - PageTable::iterator end = lookupTable.end(); - while (i != end) { - int index = i->second; - AlphaISA::PTE *pte = &table[index]; - assert(pte->valid); - - // we can't increment i after we erase it, so save a copy and - // increment it to get the next entry now - PageTable::iterator cur = i; - ++i; - - if (!pte->asma) { - DPRINTF(TLB, "flush @%d: %#x -> %#x\n", index, pte->tag, pte->ppn); - pte->valid = false; - lookupTable.erase(cur); + if (!pte->asma) { + DPRINTF(TLB, "flush @%d: %#x -> %#x\n", index, pte->tag, pte->ppn); + pte->valid = false; + lookupTable.erase(cur); + } } } -} -void -AlphaTLB::flushAddr(Addr addr, uint8_t asn) -{ - AlphaISA::VAddr vaddr = addr; + void + TLB::flushAddr(Addr addr, uint8_t asn) + { + VAddr vaddr = addr; - PageTable::iterator i = lookupTable.find(vaddr.vpn()); - if (i == lookupTable.end()) - return; + PageTable::iterator i = lookupTable.find(vaddr.vpn()); + if (i == lookupTable.end()) + return; - while (i->first == vaddr.vpn()) { - int index = i->second; - AlphaISA::PTE *pte = &table[index]; - assert(pte->valid); + while (i->first == vaddr.vpn()) { + int index = i->second; + PTE *pte = &table[index]; + assert(pte->valid); - if (vaddr.vpn() == pte->tag && (pte->asma || pte->asn == asn)) { - DPRINTF(TLB, "flushaddr @%d: %#x -> %#x\n", index, vaddr.vpn(), - pte->ppn); + if (vaddr.vpn() == pte->tag && (pte->asma || pte->asn == asn)) { + DPRINTF(TLB, "flushaddr @%d: %#x -> %#x\n", index, vaddr.vpn(), + pte->ppn); - // invalidate this entry - pte->valid = false; + // invalidate this entry + pte->valid = false; - lookupTable.erase(i); - } + lookupTable.erase(i); + } - ++i; + ++i; + } } -} -void -AlphaTLB::serialize(ostream &os) -{ - SERIALIZE_SCALAR(size); - SERIALIZE_SCALAR(nlu); + void + TLB::serialize(ostream &os) + { + SERIALIZE_SCALAR(size); + SERIALIZE_SCALAR(nlu); - for (int i = 0; i < size; i++) { - nameOut(os, csprintf("%s.PTE%d", name(), i)); - table[i].serialize(os); + for (int i = 0; i < size; i++) { + nameOut(os, csprintf("%s.PTE%d", name(), i)); + table[i].serialize(os); + } } -} -void -AlphaTLB::unserialize(Checkpoint *cp, const string §ion) -{ - UNSERIALIZE_SCALAR(size); - UNSERIALIZE_SCALAR(nlu); + void + TLB::unserialize(Checkpoint *cp, const string §ion) + { + UNSERIALIZE_SCALAR(size); + UNSERIALIZE_SCALAR(nlu); - for (int i = 0; i < size; i++) { - table[i].unserialize(cp, csprintf("%s.PTE%d", section, i)); - if (table[i].valid) { - lookupTable.insert(make_pair(table[i].tag, i)); + for (int i = 0; i < size; i++) { + table[i].unserialize(cp, csprintf("%s.PTE%d", section, i)); + if (table[i].valid) { + lookupTable.insert(make_pair(table[i].tag, i)); + } } } -} - -/////////////////////////////////////////////////////////////////////// -// -// Alpha ITB -// -AlphaITB::AlphaITB(const std::string &name, int size) - : AlphaTLB(name, size) -{} - -void -AlphaITB::regStats() -{ - hits - .name(name() + ".hits") - .desc("ITB hits"); - misses - .name(name() + ".misses") - .desc("ITB misses"); - acv - .name(name() + ".acv") - .desc("ITB acv"); - accesses - .name(name() + ".accesses") - .desc("ITB accesses"); - - accesses = hits + misses; -} - - -Fault -AlphaITB::translate(RequestPtr &req, ThreadContext *tc) const -{ - if (AlphaISA::PcPAL(req->getVaddr())) { - // strip off PAL PC marker (lsb is 1) - req->setPaddr((req->getVaddr() & ~3) & PAddrImplMask); - hits++; - return NoFault; + /////////////////////////////////////////////////////////////////////// + // + // Alpha ITB + // + ITB::ITB(const std::string &name, int size) + : TLB(name, size) + {} + + + void + ITB::regStats() + { + hits + .name(name() + ".hits") + .desc("ITB hits"); + misses + .name(name() + ".misses") + .desc("ITB misses"); + acv + .name(name() + ".acv") + .desc("ITB acv"); + accesses + .name(name() + ".accesses") + .desc("ITB accesses"); + + accesses = hits + misses; } - if (req->getFlags() & PHYSICAL) { - req->setPaddr(req->getVaddr()); - } else { - // verify that this is a good virtual address - if (!validVirtualAddress(req->getVaddr())) { - acv++; - return new ItbAcvFault(req->getVaddr()); + + Fault + ITB::translate(RequestPtr &req, ThreadContext *tc) const + { + if (PcPAL(req->getVaddr())) { + // strip off PAL PC marker (lsb is 1) + req->setPaddr((req->getVaddr() & ~3) & PAddrImplMask); + hits++; + return NoFault; } + if (req->getFlags() & PHYSICAL) { + req->setPaddr(req->getVaddr()); + } else { + // verify that this is a good virtual address + if (!validVirtualAddress(req->getVaddr())) { + acv++; + return new ItbAcvFault(req->getVaddr()); + } + - // VA<42:41> == 2, VA<39:13> maps directly to PA<39:13> for EV5 - // VA<47:41> == 0x7e, VA<40:13> maps directly to PA<40:13> for EV6 + // VA<42:41> == 2, VA<39:13> maps directly to PA<39:13> for EV5 + // VA<47:41> == 0x7e, VA<40:13> maps directly to PA<40:13> for EV6 #if ALPHA_TLASER - if ((MCSR_SP(tc->readMiscReg(AlphaISA::IPR_MCSR)) & 2) && - VAddrSpaceEV5(req->getVaddr()) == 2) { + if ((MCSR_SP(tc->readMiscReg(IPR_MCSR)) & 2) && + VAddrSpaceEV5(req->getVaddr()) == 2) { #else - if (VAddrSpaceEV6(req->getVaddr()) == 0x7e) { + if (VAddrSpaceEV6(req->getVaddr()) == 0x7e) { #endif - // only valid in kernel mode - if (ICM_CM(tc->readMiscReg(AlphaISA::IPR_ICM)) != - AlphaISA::mode_kernel) { - acv++; - return new ItbAcvFault(req->getVaddr()); - } + // only valid in kernel mode + if (ICM_CM(tc->readMiscReg(IPR_ICM)) != + mode_kernel) { + acv++; + return new ItbAcvFault(req->getVaddr()); + } - req->setPaddr(req->getVaddr() & PAddrImplMask); + req->setPaddr(req->getVaddr() & PAddrImplMask); #if !ALPHA_TLASER - // sign extend the physical address properly - if (req->getPaddr() & PAddrUncachedBit40) - req->setPaddr(req->getPaddr() | ULL(0xf0000000000)); - else - req->setPaddr(req->getPaddr() & ULL(0xffffffffff)); + // sign extend the physical address properly + if (req->getPaddr() & PAddrUncachedBit40) + req->setPaddr(req->getPaddr() | ULL(0xf0000000000)); + else + req->setPaddr(req->getPaddr() & ULL(0xffffffffff)); #endif - } else { - // not a physical address: need to look up pte - int asn = DTB_ASN_ASN(tc->readMiscReg(AlphaISA::IPR_DTB_ASN)); - AlphaISA::PTE *pte = lookup(AlphaISA::VAddr(req->getVaddr()).vpn(), - asn); - - if (!pte) { - misses++; - return new ItbPageFault(req->getVaddr()); - } + } else { + // not a physical address: need to look up pte + int asn = DTB_ASN_ASN(tc->readMiscReg(IPR_DTB_ASN)); + PTE *pte = lookup(VAddr(req->getVaddr()).vpn(), + asn); + + if (!pte) { + misses++; + return new ItbPageFault(req->getVaddr()); + } - req->setPaddr((pte->ppn << AlphaISA::PageShift) + - (AlphaISA::VAddr(req->getVaddr()).offset() - & ~3)); + req->setPaddr((pte->ppn << PageShift) + + (VAddr(req->getVaddr()).offset() + & ~3)); - // check permissions for this access - if (!(pte->xre & - (1 << ICM_CM(tc->readMiscReg(AlphaISA::IPR_ICM))))) { - // instruction access fault - acv++; - return new ItbAcvFault(req->getVaddr()); - } + // check permissions for this access + if (!(pte->xre & + (1 << ICM_CM(tc->readMiscReg(IPR_ICM))))) { + // instruction access fault + acv++; + return new ItbAcvFault(req->getVaddr()); + } - hits++; + hits++; + } } - } - - // check that the physical address is ok (catch bad physical addresses) - if (req->getPaddr() & ~PAddrImplMask) - return genMachineCheckFault(); - return checkCacheability(req); - -} + // check that the physical address is ok (catch bad physical addresses) + if (req->getPaddr() & ~PAddrImplMask) + return genMachineCheckFault(); -/////////////////////////////////////////////////////////////////////// -// -// Alpha DTB -// -AlphaDTB::AlphaDTB(const std::string &name, int size) - : AlphaTLB(name, size) -{} + return checkCacheability(req); -void -AlphaDTB::regStats() -{ - read_hits - .name(name() + ".read_hits") - .desc("DTB read hits") - ; - - read_misses - .name(name() + ".read_misses") - .desc("DTB read misses") - ; - - read_acv - .name(name() + ".read_acv") - .desc("DTB read access violations") - ; - - read_accesses - .name(name() + ".read_accesses") - .desc("DTB read accesses") - ; - - write_hits - .name(name() + ".write_hits") - .desc("DTB write hits") - ; - - write_misses - .name(name() + ".write_misses") - .desc("DTB write misses") - ; - - write_acv - .name(name() + ".write_acv") - .desc("DTB write access violations") - ; - - write_accesses - .name(name() + ".write_accesses") - .desc("DTB write accesses") - ; - - hits - .name(name() + ".hits") - .desc("DTB hits") - ; - - misses - .name(name() + ".misses") - .desc("DTB misses") - ; - - acv - .name(name() + ".acv") - .desc("DTB access violations") - ; - - accesses - .name(name() + ".accesses") - .desc("DTB accesses") - ; - - hits = read_hits + write_hits; - misses = read_misses + write_misses; - acv = read_acv + write_acv; - accesses = read_accesses + write_accesses; -} + } -Fault -AlphaDTB::translate(RequestPtr &req, ThreadContext *tc, bool write) const -{ - Addr pc = tc->readPC(); + /////////////////////////////////////////////////////////////////////// + // + // Alpha DTB + // + DTB::DTB(const std::string &name, int size) + : TLB(name, size) + {} + + void + DTB::regStats() + { + read_hits + .name(name() + ".read_hits") + .desc("DTB read hits") + ; + + read_misses + .name(name() + ".read_misses") + .desc("DTB read misses") + ; + + read_acv + .name(name() + ".read_acv") + .desc("DTB read access violations") + ; + + read_accesses + .name(name() + ".read_accesses") + .desc("DTB read accesses") + ; + + write_hits + .name(name() + ".write_hits") + .desc("DTB write hits") + ; + + write_misses + .name(name() + ".write_misses") + .desc("DTB write misses") + ; + + write_acv + .name(name() + ".write_acv") + .desc("DTB write access violations") + ; + + write_accesses + .name(name() + ".write_accesses") + .desc("DTB write accesses") + ; + + hits + .name(name() + ".hits") + .desc("DTB hits") + ; + + misses + .name(name() + ".misses") + .desc("DTB misses") + ; + + acv + .name(name() + ".acv") + .desc("DTB access violations") + ; + + accesses + .name(name() + ".accesses") + .desc("DTB accesses") + ; + + hits = read_hits + write_hits; + misses = read_misses + write_misses; + acv = read_acv + write_acv; + accesses = read_accesses + write_accesses; + } - AlphaISA::mode_type mode = - (AlphaISA::mode_type)DTB_CM_CM(tc->readMiscReg(AlphaISA::IPR_DTB_CM)); + Fault + DTB::translate(RequestPtr &req, ThreadContext *tc, bool write) const + { + Addr pc = tc->readPC(); + mode_type mode = + (mode_type)DTB_CM_CM(tc->readMiscReg(IPR_DTB_CM)); - /** - * Check for alignment faults - */ - if (req->getVaddr() & (req->getSize() - 1)) { - DPRINTF(TLB, "Alignment Fault on %#x, size = %d", req->getVaddr(), - req->getSize()); - uint64_t flags = write ? MM_STAT_WR_MASK : 0; - return new DtbAlignmentFault(req->getVaddr(), req->getFlags(), flags); - } - if (pc & 0x1) { - mode = (req->getFlags() & ALTMODE) ? - (AlphaISA::mode_type)ALT_MODE_AM( - tc->readMiscReg(AlphaISA::IPR_ALT_MODE)) - : AlphaISA::mode_kernel; - } + /** + * Check for alignment faults + */ + if (req->getVaddr() & (req->getSize() - 1)) { + DPRINTF(TLB, "Alignment Fault on %#x, size = %d", req->getVaddr(), + req->getSize()); + uint64_t flags = write ? MM_STAT_WR_MASK : 0; + return new DtbAlignmentFault(req->getVaddr(), req->getFlags(), flags); + } - if (req->getFlags() & PHYSICAL) { - req->setPaddr(req->getVaddr()); - } else { - // verify that this is a good virtual address - if (!validVirtualAddress(req->getVaddr())) { - if (write) { write_acv++; } else { read_acv++; } - uint64_t flags = (write ? MM_STAT_WR_MASK : 0) | - MM_STAT_BAD_VA_MASK | - MM_STAT_ACV_MASK; - return new DtbPageFault(req->getVaddr(), req->getFlags(), flags); + if (pc & 0x1) { + mode = (req->getFlags() & ALTMODE) ? + (mode_type)ALT_MODE_AM( + tc->readMiscReg(IPR_ALT_MODE)) + : mode_kernel; } - // Check for "superpage" mapping + if (req->getFlags() & PHYSICAL) { + req->setPaddr(req->getVaddr()); + } else { + // verify that this is a good virtual address + if (!validVirtualAddress(req->getVaddr())) { + if (write) { write_acv++; } else { read_acv++; } + uint64_t flags = (write ? MM_STAT_WR_MASK : 0) | + MM_STAT_BAD_VA_MASK | + MM_STAT_ACV_MASK; + return new DtbPageFault(req->getVaddr(), req->getFlags(), flags); + } + + // Check for "superpage" mapping #if ALPHA_TLASER - if ((MCSR_SP(tc->readMiscReg(AlphaISA::IPR_MCSR)) & 2) && - VAddrSpaceEV5(req->getVaddr()) == 2) { + if ((MCSR_SP(tc->readMiscReg(IPR_MCSR)) & 2) && + VAddrSpaceEV5(req->getVaddr()) == 2) { #else - if (VAddrSpaceEV6(req->getVaddr()) == 0x7e) { + if (VAddrSpaceEV6(req->getVaddr()) == 0x7e) { #endif - // only valid in kernel mode - if (DTB_CM_CM(tc->readMiscReg(AlphaISA::IPR_DTB_CM)) != - AlphaISA::mode_kernel) { - if (write) { write_acv++; } else { read_acv++; } - uint64_t flags = ((write ? MM_STAT_WR_MASK : 0) | - MM_STAT_ACV_MASK); - return new DtbAcvFault(req->getVaddr(), req->getFlags(), flags); - } + // only valid in kernel mode + if (DTB_CM_CM(tc->readMiscReg(IPR_DTB_CM)) != + mode_kernel) { + if (write) { write_acv++; } else { read_acv++; } + uint64_t flags = ((write ? MM_STAT_WR_MASK : 0) | + MM_STAT_ACV_MASK); + return new DtbAcvFault(req->getVaddr(), req->getFlags(), flags); + } - req->setPaddr(req->getVaddr() & PAddrImplMask); + req->setPaddr(req->getVaddr() & PAddrImplMask); #if !ALPHA_TLASER - // sign extend the physical address properly - if (req->getPaddr() & PAddrUncachedBit40) - req->setPaddr(req->getPaddr() | ULL(0xf0000000000)); - else - req->setPaddr(req->getPaddr() & ULL(0xffffffffff)); + // sign extend the physical address properly + if (req->getPaddr() & PAddrUncachedBit40) + req->setPaddr(req->getPaddr() | ULL(0xf0000000000)); + else + req->setPaddr(req->getPaddr() & ULL(0xffffffffff)); #endif - } else { - if (write) - write_accesses++; - else - read_accesses++; - - int asn = DTB_ASN_ASN(tc->readMiscReg(AlphaISA::IPR_DTB_ASN)); - - // not a physical address: need to look up pte - AlphaISA::PTE *pte = lookup(AlphaISA::VAddr(req->getVaddr()).vpn(), - asn); - - if (!pte) { - // page fault - if (write) { write_misses++; } else { read_misses++; } - uint64_t flags = (write ? MM_STAT_WR_MASK : 0) | - MM_STAT_DTB_MISS_MASK; - return (req->getFlags() & VPTE) ? - (Fault)(new PDtbMissFault(req->getVaddr(), req->getFlags(), - flags)) : - (Fault)(new NDtbMissFault(req->getVaddr(), req->getFlags(), - flags)); - } - - req->setPaddr((pte->ppn << AlphaISA::PageShift) + - AlphaISA::VAddr(req->getVaddr()).offset()); - - if (write) { - if (!(pte->xwe & MODE2MASK(mode))) { - // declare the instruction access fault - write_acv++; - uint64_t flags = MM_STAT_WR_MASK | - MM_STAT_ACV_MASK | - (pte->fonw ? MM_STAT_FONW_MASK : 0); - return new DtbPageFault(req->getVaddr(), req->getFlags(), flags); - } - if (pte->fonw) { - write_acv++; - uint64_t flags = MM_STAT_WR_MASK | - MM_STAT_FONW_MASK; - return new DtbPageFault(req->getVaddr(), req->getFlags(), flags); - } } else { - if (!(pte->xre & MODE2MASK(mode))) { - read_acv++; - uint64_t flags = MM_STAT_ACV_MASK | - (pte->fonr ? MM_STAT_FONR_MASK : 0); - return new DtbAcvFault(req->getVaddr(), req->getFlags(), flags); + if (write) + write_accesses++; + else + read_accesses++; + + int asn = DTB_ASN_ASN(tc->readMiscReg(IPR_DTB_ASN)); + + // not a physical address: need to look up pte + PTE *pte = lookup(VAddr(req->getVaddr()).vpn(), + asn); + + if (!pte) { + // page fault + if (write) { write_misses++; } else { read_misses++; } + uint64_t flags = (write ? MM_STAT_WR_MASK : 0) | + MM_STAT_DTB_MISS_MASK; + return (req->getFlags() & VPTE) ? + (Fault)(new PDtbMissFault(req->getVaddr(), req->getFlags(), + flags)) : + (Fault)(new NDtbMissFault(req->getVaddr(), req->getFlags(), + flags)); } - if (pte->fonr) { - read_acv++; - uint64_t flags = MM_STAT_FONR_MASK; - return new DtbPageFault(req->getVaddr(), req->getFlags(), flags); + + req->setPaddr((pte->ppn << PageShift) + + VAddr(req->getVaddr()).offset()); + + if (write) { + if (!(pte->xwe & MODE2MASK(mode))) { + // declare the instruction access fault + write_acv++; + uint64_t flags = MM_STAT_WR_MASK | + MM_STAT_ACV_MASK | + (pte->fonw ? MM_STAT_FONW_MASK : 0); + return new DtbPageFault(req->getVaddr(), req->getFlags(), flags); + } + if (pte->fonw) { + write_acv++; + uint64_t flags = MM_STAT_WR_MASK | + MM_STAT_FONW_MASK; + return new DtbPageFault(req->getVaddr(), req->getFlags(), flags); + } + } else { + if (!(pte->xre & MODE2MASK(mode))) { + read_acv++; + uint64_t flags = MM_STAT_ACV_MASK | + (pte->fonr ? MM_STAT_FONR_MASK : 0); + return new DtbAcvFault(req->getVaddr(), req->getFlags(), flags); + } + if (pte->fonr) { + read_acv++; + uint64_t flags = MM_STAT_FONR_MASK; + return new DtbPageFault(req->getVaddr(), req->getFlags(), flags); + } } } + + if (write) + write_hits++; + else + read_hits++; } - if (write) - write_hits++; - else - read_hits++; + // check that the physical address is ok (catch bad physical addresses) + if (req->getPaddr() & ~PAddrImplMask) + return genMachineCheckFault(); + + return checkCacheability(req); } - // check that the physical address is ok (catch bad physical addresses) - if (req->getPaddr() & ~PAddrImplMask) - return genMachineCheckFault(); + PTE & + TLB::index(bool advance) + { + PTE *pte = &table[nlu]; - return checkCacheability(req); -} + if (advance) + nextnlu(); -AlphaISA::PTE & -AlphaTLB::index(bool advance) -{ - AlphaISA::PTE *pte = &table[nlu]; + return *pte; + } - if (advance) - nextnlu(); + DEFINE_SIM_OBJECT_CLASS_NAME("AlphaTLB", TLB) - return *pte; -} + BEGIN_DECLARE_SIM_OBJECT_PARAMS(ITB) -DEFINE_SIM_OBJECT_CLASS_NAME("AlphaTLB", AlphaTLB) + Param<int> size; -BEGIN_DECLARE_SIM_OBJECT_PARAMS(AlphaITB) + END_DECLARE_SIM_OBJECT_PARAMS(ITB) - Param<int> size; + BEGIN_INIT_SIM_OBJECT_PARAMS(ITB) -END_DECLARE_SIM_OBJECT_PARAMS(AlphaITB) + INIT_PARAM_DFLT(size, "TLB size", 48) -BEGIN_INIT_SIM_OBJECT_PARAMS(AlphaITB) + END_INIT_SIM_OBJECT_PARAMS(ITB) - INIT_PARAM_DFLT(size, "TLB size", 48) - -END_INIT_SIM_OBJECT_PARAMS(AlphaITB) + CREATE_SIM_OBJECT(ITB) + { + return new ITB(getInstanceName(), size); + } -CREATE_SIM_OBJECT(AlphaITB) -{ - return new AlphaITB(getInstanceName(), size); -} + REGISTER_SIM_OBJECT("AlphaITB", ITB) -REGISTER_SIM_OBJECT("AlphaITB", AlphaITB) + BEGIN_DECLARE_SIM_OBJECT_PARAMS(DTB) -BEGIN_DECLARE_SIM_OBJECT_PARAMS(AlphaDTB) + Param<int> size; - Param<int> size; + END_DECLARE_SIM_OBJECT_PARAMS(DTB) -END_DECLARE_SIM_OBJECT_PARAMS(AlphaDTB) + BEGIN_INIT_SIM_OBJECT_PARAMS(DTB) -BEGIN_INIT_SIM_OBJECT_PARAMS(AlphaDTB) + INIT_PARAM_DFLT(size, "TLB size", 64) - INIT_PARAM_DFLT(size, "TLB size", 64) + END_INIT_SIM_OBJECT_PARAMS(DTB) -END_INIT_SIM_OBJECT_PARAMS(AlphaDTB) + CREATE_SIM_OBJECT(DTB) + { + return new DTB(getInstanceName(), size); + } -CREATE_SIM_OBJECT(AlphaDTB) -{ - return new AlphaDTB(getInstanceName(), size); + REGISTER_SIM_OBJECT("AlphaDTB", DTB) } - -REGISTER_SIM_OBJECT("AlphaDTB", AlphaDTB) - diff --git a/src/arch/alpha/tlb.hh b/src/arch/alpha/tlb.hh index 955460649..ea5ba5539 100644 --- a/src/arch/alpha/tlb.hh +++ b/src/arch/alpha/tlb.hh @@ -36,6 +36,7 @@ #include "arch/alpha/ev5.hh" #include "arch/alpha/isa_traits.hh" +#include "arch/alpha/pagetable.hh" #include "arch/alpha/utility.hh" #include "arch/alpha/vtophys.hh" #include "base/statistics.hh" @@ -45,82 +46,87 @@ class ThreadContext; -class AlphaTLB : public SimObject +namespace AlphaISA { - protected: - typedef std::multimap<Addr, int> PageTable; - PageTable lookupTable; // Quick lookup into page table - - AlphaISA::PTE *table; // the Page Table - int size; // TLB Size - int nlu; // not last used entry (for replacement) - - void nextnlu() { if (++nlu >= size) nlu = 0; } - AlphaISA::PTE *lookup(Addr vpn, uint8_t asn) const; - - public: - AlphaTLB(const std::string &name, int size); - virtual ~AlphaTLB(); - - int getsize() const { return size; } - - AlphaISA::PTE &index(bool advance = true); - void insert(Addr vaddr, AlphaISA::PTE &pte); - - void flushAll(); - void flushProcesses(); - void flushAddr(Addr addr, uint8_t asn); - - // static helper functions... really EV5 VM traits - static bool validVirtualAddress(Addr vaddr) { - // unimplemented bits must be all 0 or all 1 - Addr unimplBits = vaddr & EV5::VAddrUnImplMask; - return (unimplBits == 0) || (unimplBits == EV5::VAddrUnImplMask); - } - - static Fault checkCacheability(RequestPtr &req); - - // Checkpointing - virtual void serialize(std::ostream &os); - virtual void unserialize(Checkpoint *cp, const std::string §ion); -}; - -class AlphaITB : public AlphaTLB -{ - protected: - mutable Stats::Scalar<> hits; - mutable Stats::Scalar<> misses; - mutable Stats::Scalar<> acv; - mutable Stats::Formula accesses; - - public: - AlphaITB(const std::string &name, int size); - virtual void regStats(); - - Fault translate(RequestPtr &req, ThreadContext *tc) const; -}; - -class AlphaDTB : public AlphaTLB -{ - protected: - mutable Stats::Scalar<> read_hits; - mutable Stats::Scalar<> read_misses; - mutable Stats::Scalar<> read_acv; - mutable Stats::Scalar<> read_accesses; - mutable Stats::Scalar<> write_hits; - mutable Stats::Scalar<> write_misses; - mutable Stats::Scalar<> write_acv; - mutable Stats::Scalar<> write_accesses; - Stats::Formula hits; - Stats::Formula misses; - Stats::Formula acv; - Stats::Formula accesses; - - public: - AlphaDTB(const std::string &name, int size); - virtual void regStats(); - - Fault translate(RequestPtr &req, ThreadContext *tc, bool write) const; -}; + class PTE; + + class TLB : public SimObject + { + protected: + typedef std::multimap<Addr, int> PageTable; + PageTable lookupTable; // Quick lookup into page table + + PTE *table; // the Page Table + int size; // TLB Size + int nlu; // not last used entry (for replacement) + + void nextnlu() { if (++nlu >= size) nlu = 0; } + PTE *lookup(Addr vpn, uint8_t asn) const; + + public: + TLB(const std::string &name, int size); + virtual ~TLB(); + + int getsize() const { return size; } + + PTE &index(bool advance = true); + void insert(Addr vaddr, PTE &pte); + + void flushAll(); + void flushProcesses(); + void flushAddr(Addr addr, uint8_t asn); + + // static helper functions... really EV5 VM traits + static bool validVirtualAddress(Addr vaddr) { + // unimplemented bits must be all 0 or all 1 + Addr unimplBits = vaddr & EV5::VAddrUnImplMask; + return (unimplBits == 0) || (unimplBits == EV5::VAddrUnImplMask); + } + + static Fault checkCacheability(RequestPtr &req); + + // Checkpointing + virtual void serialize(std::ostream &os); + virtual void unserialize(Checkpoint *cp, const std::string §ion); + }; + + class ITB : public TLB + { + protected: + mutable Stats::Scalar<> hits; + mutable Stats::Scalar<> misses; + mutable Stats::Scalar<> acv; + mutable Stats::Formula accesses; + + public: + ITB(const std::string &name, int size); + virtual void regStats(); + + Fault translate(RequestPtr &req, ThreadContext *tc) const; + }; + + class DTB : public TLB + { + protected: + mutable Stats::Scalar<> read_hits; + mutable Stats::Scalar<> read_misses; + mutable Stats::Scalar<> read_acv; + mutable Stats::Scalar<> read_accesses; + mutable Stats::Scalar<> write_hits; + mutable Stats::Scalar<> write_misses; + mutable Stats::Scalar<> write_acv; + mutable Stats::Scalar<> write_accesses; + Stats::Formula hits; + Stats::Formula misses; + Stats::Formula acv; + Stats::Formula accesses; + + public: + DTB(const std::string &name, int size); + virtual void regStats(); + + Fault translate(RequestPtr &req, ThreadContext *tc, bool write) const; + }; +} #endif // __ALPHA_MEMORY_HH__ diff --git a/src/arch/alpha/utility.hh b/src/arch/alpha/utility.hh index 0304d1c3a..100736555 100644 --- a/src/arch/alpha/utility.hh +++ b/src/arch/alpha/utility.hh @@ -42,12 +42,18 @@ namespace AlphaISA { + static inline bool + inUserMode(ThreadContext *tc) + { + return (tc->readMiscReg(AlphaISA::IPR_DTB_CM) & 0x18) != 0; + } + static inline ExtMachInst - makeExtMI(MachInst inst, ThreadContext * xc) { + makeExtMI(MachInst inst, Addr pc) { #if FULL_SYSTEM ExtMachInst ext_inst = inst; - if (xc->readPC() && 0x1) - return ext_inst|=(static_cast<ExtMachInst>(xc->readPC() & 0x1) << 32); + if (pc && 0x1) + return ext_inst|=(static_cast<ExtMachInst>(pc & 0x1) << 32); else return ext_inst; #else diff --git a/src/arch/mips/regfile/misc_regfile.hh b/src/arch/mips/regfile/misc_regfile.hh index a4527a203..368925e00 100644 --- a/src/arch/mips/regfile/misc_regfile.hh +++ b/src/arch/mips/regfile/misc_regfile.hh @@ -220,20 +220,20 @@ namespace MipsISA return miscRegFile[misc_reg]; } - MiscReg readRegWithEffect(int misc_reg, Fault &fault, ThreadContext *tc) + MiscReg readRegWithEffect(int misc_reg, ThreadContext *tc) { return miscRegFile[misc_reg]; } - Fault setReg(int misc_reg, const MiscReg &val) + void setReg(int misc_reg, const MiscReg &val) { - miscRegFile[misc_reg] = val; return NoFault; + miscRegFile[misc_reg] = val; } - Fault setRegWithEffect(int misc_reg, const MiscReg &val, + void setRegWithEffect(int misc_reg, const MiscReg &val, ThreadContext *tc) { - miscRegFile[misc_reg] = val; return NoFault; + miscRegFile[misc_reg] = val; } friend class RegFile; diff --git a/src/arch/mips/regfile/regfile.hh b/src/arch/mips/regfile/regfile.hh index 3a18c681b..dee883c4a 100644 --- a/src/arch/mips/regfile/regfile.hh +++ b/src/arch/mips/regfile/regfile.hh @@ -62,22 +62,20 @@ namespace MipsISA return miscRegFile.readReg(miscReg); } - MiscReg readMiscRegWithEffect(int miscReg, - Fault &fault, ThreadContext *tc) + MiscReg readMiscRegWithEffect(int miscReg, ThreadContext *tc) { - fault = NoFault; - return miscRegFile.readRegWithEffect(miscReg, fault, tc); + return miscRegFile.readRegWithEffect(miscReg, tc); } - Fault setMiscReg(int miscReg, const MiscReg &val) + void setMiscReg(int miscReg, const MiscReg &val) { - return miscRegFile.setReg(miscReg, val); + miscRegFile.setReg(miscReg, val); } - Fault setMiscRegWithEffect(int miscReg, const MiscReg &val, + void setMiscRegWithEffect(int miscReg, const MiscReg &val, ThreadContext * tc) { - return miscRegFile.setRegWithEffect(miscReg, val, tc); + miscRegFile.setRegWithEffect(miscReg, val, tc); } FloatRegVal readFloatReg(int floatReg) @@ -100,24 +98,24 @@ namespace MipsISA return floatRegFile.readRegBits(floatReg,width); } - Fault setFloatReg(int floatReg, const FloatRegVal &val) + void setFloatReg(int floatReg, const FloatRegVal &val) { - return floatRegFile.setReg(floatReg, val, SingleWidth); + floatRegFile.setReg(floatReg, val, SingleWidth); } - Fault setFloatReg(int floatReg, const FloatRegVal &val, int width) + void setFloatReg(int floatReg, const FloatRegVal &val, int width) { - return floatRegFile.setReg(floatReg, val, width); + floatRegFile.setReg(floatReg, val, width); } - Fault setFloatRegBits(int floatReg, const FloatRegBits &val) + void setFloatRegBits(int floatReg, const FloatRegBits &val) { - return floatRegFile.setRegBits(floatReg, val, SingleWidth); + floatRegFile.setRegBits(floatReg, val, SingleWidth); } - Fault setFloatRegBits(int floatReg, const FloatRegBits &val, int width) + void setFloatRegBits(int floatReg, const FloatRegBits &val, int width) { - return floatRegFile.setRegBits(floatReg, val, width); + floatRegFile.setRegBits(floatReg, val, width); } IntReg readIntReg(int intReg) @@ -125,9 +123,9 @@ namespace MipsISA return intRegFile.readReg(intReg); } - Fault setIntReg(int intReg, const IntReg &val) + void setIntReg(int intReg, const IntReg &val) { - return intRegFile.setReg(intReg, val); + intRegFile.setReg(intReg, val); } protected: diff --git a/src/arch/mips/stacktrace.hh b/src/arch/mips/stacktrace.hh index f9e092dbd..c854f63ca 100644 --- a/src/arch/mips/stacktrace.hh +++ b/src/arch/mips/stacktrace.hh @@ -37,6 +37,9 @@ class ThreadContext; class StackTrace; +namespace MipsISA +{ + class ProcessInfo { private: @@ -118,4 +121,6 @@ StackTrace::trace(ThreadContext *tc, StaticInstPtr inst) return true; } +} + #endif // __ARCH_MIPS_STACKTRACE_HH__ diff --git a/src/arch/sparc/SConscript b/src/arch/sparc/SConscript index e317502e0..281c166c0 100644 --- a/src/arch/sparc/SConscript +++ b/src/arch/sparc/SConscript @@ -54,7 +54,11 @@ base_sources = Split(''' # Full-system sources full_system_sources = Split(''' - ua2005.cc + arguments.cc + remote_gdb.cc + stacktrace.cc + system.cc + tlb.cc vtophys.cc ''') diff --git a/src/arch/sparc/arguments.cc b/src/arch/sparc/arguments.cc new file mode 100644 index 000000000..44adf4a15 --- /dev/null +++ b/src/arch/sparc/arguments.cc @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2003-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Nathan Binkert + */ + +#include "arch/sparc/arguments.hh" +#include "arch/sparc/vtophys.hh" +#include "cpu/thread_context.hh" +#include "mem/vport.hh" + +using namespace SparcISA; + +Arguments::Data::~Data() +{ + while (!data.empty()) { + delete [] data.front(); + data.pop_front(); + } +} + +char * +Arguments::Data::alloc(size_t size) +{ + char *buf = new char[size]; + data.push_back(buf); + return buf; +} + +uint64_t +Arguments::getArg(bool fp) +{ + //The caller uses %o0-%05 for the first 6 arguments even if their floating + //point. Double precision floating point values take two registers/args. + //Quads, structs, and unions are passed as pointers. All arguments beyond + //the sixth are passed on the stack past the 16 word window save area, + //space for the struct/union return pointer, and space reserved for the + //first 6 arguments which the caller may use but doesn't have to. + if (number < 6) { + return tc->readIntReg(8 + number); + } else { + Addr sp = tc->readIntReg(14); + VirtualPort *vp = tc->getVirtPort(tc); + uint64_t arg = vp->read<uint64_t>(sp + 92 + (number-6) * sizeof(uint64_t)); + tc->delVirtPort(vp); + return arg; + } +} + diff --git a/src/arch/sparc/arguments.hh b/src/arch/sparc/arguments.hh new file mode 100644 index 000000000..8f925dd25 --- /dev/null +++ b/src/arch/sparc/arguments.hh @@ -0,0 +1,149 @@ +/* + * Copyright (c) 2003-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Nathan Binkert + */ + +#ifndef __ARCH_SPARC_ARGUMENTS_HH__ +#define __ARCH_SPARC_ARGUMENTS_HH__ + +#include <assert.h> + +#include "arch/sparc/vtophys.hh" +#include "base/refcnt.hh" +#include "sim/host.hh" + +class ThreadContext; + +namespace SparcISA { + +class Arguments +{ + protected: + ThreadContext *tc; + int number; + uint64_t getArg(bool fp = false); + + protected: + class Data : public RefCounted + { + public: + Data(){} + ~Data(); + + private: + std::list<char *> data; + + public: + char *alloc(size_t size); + }; + + RefCountingPtr<Data> data; + + public: + Arguments(ThreadContext *ctx, int n = 0) + : tc(ctx), number(n), data(NULL) + { assert(number >= 0); data = new Data;} + Arguments(const Arguments &args) + : tc(args.tc), number(args.number), data(args.data) {} + ~Arguments() {} + + ThreadContext *getThreadContext() const { return tc; } + + const Arguments &operator=(const Arguments &args) { + tc = args.tc; + number = args.number; + data = args.data; + return *this; + } + + Arguments &operator++() { + ++number; + assert(number >= 0); + return *this; + } + + Arguments operator++(int) { + Arguments args = *this; + ++number; + assert(number >= 0); + return args; + } + + Arguments &operator--() { + --number; + assert(number >= 0); + return *this; + } + + Arguments operator--(int) { + Arguments args = *this; + --number; + assert(number >= 0); + return args; + } + + const Arguments &operator+=(int index) { + number += index; + assert(number >= 0); + return *this; + } + + const Arguments &operator-=(int index) { + number -= index; + assert(number >= 0); + return *this; + } + + Arguments operator[](int index) { + return Arguments(tc, index); + } + + template <class T> + operator T() { + assert(sizeof(T) <= sizeof(uint64_t)); + T data = static_cast<T>(getArg()); + return data; + } + + template <class T> + operator T *() { + T *buf = (T *)data->alloc(sizeof(T)); + CopyData(tc, buf, getArg(), sizeof(T)); + return buf; + } + + operator char *() { + char *buf = data->alloc(2048); + CopyStringOut(tc, buf, getArg(), 2048); + return buf; + } +}; + +}; // namespace SparcISA + +#endif // __ARCH_SPARC_ARGUMENTS_HH__ diff --git a/src/arch/sparc/asi.hh b/src/arch/sparc/asi.hh index 876567225..6677b23df 100644 --- a/src/arch/sparc/asi.hh +++ b/src/arch/sparc/asi.hh @@ -219,4 +219,4 @@ namespace SparcISA }; -#endif // __ARCH_SPARC_TLB_HH__ +#endif // __ARCH_SPARC_ASI_HH__ diff --git a/src/arch/sparc/faults.cc b/src/arch/sparc/faults.cc index 2c8da44c5..57ee040f1 100644 --- a/src/arch/sparc/faults.cc +++ b/src/arch/sparc/faults.cc @@ -33,12 +33,14 @@ #include "arch/sparc/faults.hh" #include "arch/sparc/isa_traits.hh" -#include "arch/sparc/process.hh" +#include "arch/sparc/types.hh" #include "base/bitfield.hh" #include "base/trace.hh" +#include "config/full_system.hh" #include "cpu/base.hh" #include "cpu/thread_context.hh" #if !FULL_SYSTEM +#include "arch/sparc/process.hh" #include "mem/page_table.hh" #include "sim/process.hh" #endif @@ -48,214 +50,352 @@ using namespace std; namespace SparcISA { -FaultName InternalProcessorError::_name = "intprocerr"; -TrapType InternalProcessorError::_trapType = 0x029; -FaultPriority InternalProcessorError::_priority = 4; -FaultStat InternalProcessorError::_count; - -FaultName MemAddressNotAligned::_name = "unalign"; -TrapType MemAddressNotAligned::_trapType = 0x034; -FaultPriority MemAddressNotAligned::_priority = 10; -FaultStat MemAddressNotAligned::_count; - -FaultName PowerOnReset::_name = "pow_reset"; -TrapType PowerOnReset::_trapType = 0x001; -FaultPriority PowerOnReset::_priority = 0; -FaultStat PowerOnReset::_count; - -FaultName WatchDogReset::_name = "watch_dog_reset"; -TrapType WatchDogReset::_trapType = 0x002; -FaultPriority WatchDogReset::_priority = 1; -FaultStat WatchDogReset::_count; - -FaultName ExternallyInitiatedReset::_name = "extern_reset"; -TrapType ExternallyInitiatedReset::_trapType = 0x003; -FaultPriority ExternallyInitiatedReset::_priority = 1; -FaultStat ExternallyInitiatedReset::_count; - -FaultName SoftwareInitiatedReset::_name = "software_reset"; -TrapType SoftwareInitiatedReset::_trapType = 0x004; -FaultPriority SoftwareInitiatedReset::_priority = 1; -FaultStat SoftwareInitiatedReset::_count; - -FaultName REDStateException::_name = "red_counte"; -TrapType REDStateException::_trapType = 0x005; -FaultPriority REDStateException::_priority = 1; -FaultStat REDStateException::_count; - -FaultName InstructionAccessException::_name = "inst_access"; -TrapType InstructionAccessException::_trapType = 0x008; -FaultPriority InstructionAccessException::_priority = 5; -FaultStat InstructionAccessException::_count; - -FaultName InstructionAccessMMUMiss::_name = "inst_mmu"; -TrapType InstructionAccessMMUMiss::_trapType = 0x009; -FaultPriority InstructionAccessMMUMiss::_priority = 2; -FaultStat InstructionAccessMMUMiss::_count; - -FaultName InstructionAccessError::_name = "inst_error"; -TrapType InstructionAccessError::_trapType = 0x00A; -FaultPriority InstructionAccessError::_priority = 3; -FaultStat InstructionAccessError::_count; - -FaultName IllegalInstruction::_name = "illegal_inst"; -TrapType IllegalInstruction::_trapType = 0x010; -FaultPriority IllegalInstruction::_priority = 7; -FaultStat IllegalInstruction::_count; - -FaultName PrivilegedOpcode::_name = "priv_opcode"; -TrapType PrivilegedOpcode::_trapType = 0x011; -FaultPriority PrivilegedOpcode::_priority = 6; -FaultStat PrivilegedOpcode::_count; - -FaultName UnimplementedLDD::_name = "unimp_ldd"; -TrapType UnimplementedLDD::_trapType = 0x012; -FaultPriority UnimplementedLDD::_priority = 6; -FaultStat UnimplementedLDD::_count; - -FaultName UnimplementedSTD::_name = "unimp_std"; -TrapType UnimplementedSTD::_trapType = 0x013; -FaultPriority UnimplementedSTD::_priority = 6; -FaultStat UnimplementedSTD::_count; - -FaultName FpDisabled::_name = "fp_disabled"; -TrapType FpDisabled::_trapType = 0x020; -FaultPriority FpDisabled::_priority = 8; -FaultStat FpDisabled::_count; - -FaultName FpExceptionIEEE754::_name = "fp_754"; -TrapType FpExceptionIEEE754::_trapType = 0x021; -FaultPriority FpExceptionIEEE754::_priority = 11; -FaultStat FpExceptionIEEE754::_count; - -FaultName FpExceptionOther::_name = "fp_other"; -TrapType FpExceptionOther::_trapType = 0x022; -FaultPriority FpExceptionOther::_priority = 11; -FaultStat FpExceptionOther::_count; - -FaultName TagOverflow::_name = "tag_overflow"; -TrapType TagOverflow::_trapType = 0x023; -FaultPriority TagOverflow::_priority = 14; -FaultStat TagOverflow::_count; - -FaultName DivisionByZero::_name = "div_by_zero"; -TrapType DivisionByZero::_trapType = 0x028; -FaultPriority DivisionByZero::_priority = 15; -FaultStat DivisionByZero::_count; - -FaultName DataAccessException::_name = "data_access"; -TrapType DataAccessException::_trapType = 0x030; -FaultPriority DataAccessException::_priority = 12; -FaultStat DataAccessException::_count; - -FaultName DataAccessMMUMiss::_name = "data_mmu"; -TrapType DataAccessMMUMiss::_trapType = 0x031; -FaultPriority DataAccessMMUMiss::_priority = 12; -FaultStat DataAccessMMUMiss::_count; - -FaultName DataAccessError::_name = "data_error"; -TrapType DataAccessError::_trapType = 0x032; -FaultPriority DataAccessError::_priority = 12; -FaultStat DataAccessError::_count; - -FaultName DataAccessProtection::_name = "data_protection"; -TrapType DataAccessProtection::_trapType = 0x033; -FaultPriority DataAccessProtection::_priority = 12; -FaultStat DataAccessProtection::_count; - -FaultName LDDFMemAddressNotAligned::_name = "unalign_lddf"; -TrapType LDDFMemAddressNotAligned::_trapType = 0x035; -FaultPriority LDDFMemAddressNotAligned::_priority = 10; -FaultStat LDDFMemAddressNotAligned::_count; - -FaultName STDFMemAddressNotAligned::_name = "unalign_stdf"; -TrapType STDFMemAddressNotAligned::_trapType = 0x036; -FaultPriority STDFMemAddressNotAligned::_priority = 10; -FaultStat STDFMemAddressNotAligned::_count; - -FaultName PrivilegedAction::_name = "priv_action"; -TrapType PrivilegedAction::_trapType = 0x037; -FaultPriority PrivilegedAction::_priority = 11; -FaultStat PrivilegedAction::_count; - -FaultName LDQFMemAddressNotAligned::_name = "unalign_ldqf"; -TrapType LDQFMemAddressNotAligned::_trapType = 0x038; -FaultPriority LDQFMemAddressNotAligned::_priority = 10; -FaultStat LDQFMemAddressNotAligned::_count; - -FaultName STQFMemAddressNotAligned::_name = "unalign_stqf"; -TrapType STQFMemAddressNotAligned::_trapType = 0x039; -FaultPriority STQFMemAddressNotAligned::_priority = 10; -FaultStat STQFMemAddressNotAligned::_count; - -FaultName AsyncDataError::_name = "async_data"; -TrapType AsyncDataError::_trapType = 0x040; -FaultPriority AsyncDataError::_priority = 2; -FaultStat AsyncDataError::_count; - -FaultName CleanWindow::_name = "clean_win"; -TrapType CleanWindow::_trapType = 0x024; -FaultPriority CleanWindow::_priority = 10; -FaultStat CleanWindow::_count; - -//The enumerated faults - -FaultName InterruptLevelN::_name = "interrupt_n"; -TrapType InterruptLevelN::_baseTrapType = 0x041; -FaultStat InterruptLevelN::_count; - -FaultName SpillNNormal::_name = "spill_n_normal"; -TrapType SpillNNormal::_baseTrapType = 0x080; -FaultPriority SpillNNormal::_priority = 9; -FaultStat SpillNNormal::_count; - -FaultName SpillNOther::_name = "spill_n_other"; -TrapType SpillNOther::_baseTrapType = 0x0A0; -FaultPriority SpillNOther::_priority = 9; -FaultStat SpillNOther::_count; - -FaultName FillNNormal::_name = "fill_n_normal"; -TrapType FillNNormal::_baseTrapType = 0x0C0; -FaultPriority FillNNormal::_priority = 9; -FaultStat FillNNormal::_count; - -FaultName FillNOther::_name = "fill_n_other"; -TrapType FillNOther::_baseTrapType = 0x0E0; -FaultPriority FillNOther::_priority = 9; -FaultStat FillNOther::_count; - -FaultName TrapInstruction::_name = "trap_inst_n"; -TrapType TrapInstruction::_baseTrapType = 0x100; -FaultPriority TrapInstruction::_priority = 16; -FaultStat TrapInstruction::_count; +template<> SparcFaultBase::FaultVals + SparcFault<PowerOnReset>::vals = + {"power_on_reset", 0x001, 0, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<WatchDogReset>::vals = + {"watch_dog_reset", 0x002, 120, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<ExternallyInitiatedReset>::vals = + {"externally_initiated_reset", 0x003, 110, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<SoftwareInitiatedReset>::vals = + {"software_initiated_reset", 0x004, 130, {SH, SH, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<REDStateException>::vals = + {"RED_state_exception", 0x005, 1, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<StoreError>::vals = + {"store_error", 0x007, 201, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<InstructionAccessException>::vals = + {"instruction_access_exception", 0x008, 300, {H, H, H}}; + +//XXX This trap is apparently dropped from ua2005 +/*template<> SparcFaultBase::FaultVals + SparcFault<InstructionAccessMMUMiss>::vals = + {"inst_mmu", 0x009, 2, {H, H, H}};*/ + +template<> SparcFaultBase::FaultVals + SparcFault<InstructionAccessError>::vals = + {"instruction_access_error", 0x00A, 400, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<IllegalInstruction>::vals = + {"illegal_instruction", 0x010, 620, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<PrivilegedOpcode>::vals = + {"privileged_opcode", 0x011, 700, {P, SH, SH}}; + +//XXX This trap is apparently dropped from ua2005 +/*template<> SparcFaultBase::FaultVals + SparcFault<UnimplementedLDD>::vals = + {"unimp_ldd", 0x012, 6, {H, H, H}};*/ + +//XXX This trap is apparently dropped from ua2005 +/*template<> SparcFaultBase::FaultVals + SparcFault<UnimplementedSTD>::vals = + {"unimp_std", 0x013, 6, {H, H, H}};*/ + +template<> SparcFaultBase::FaultVals + SparcFault<FpDisabled>::vals = + {"fp_disabled", 0x020, 800, {P, P, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<FpExceptionIEEE754>::vals = + {"fp_exception_ieee_754", 0x021, 1110, {P, P, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<FpExceptionOther>::vals = + {"fp_exception_other", 0x022, 1110, {P, P, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<TagOverflow>::vals = + {"tag_overflow", 0x023, 1400, {P, P, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<CleanWindow>::vals = + {"clean_window", 0x024, 1010, {P, P, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<DivisionByZero>::vals = + {"division_by_zero", 0x028, 1500, {P, P, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<InternalProcessorError>::vals = + {"internal_processor_error", 0x029, 4, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<InstructionInvalidTSBEntry>::vals = + {"instruction_invalid_tsb_entry", 0x02A, 210, {H, H, SH}}; + +template<> SparcFaultBase::FaultVals + SparcFault<DataInvalidTSBEntry>::vals = + {"data_invalid_tsb_entry", 0x02B, 1203, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<DataAccessException>::vals = + {"data_access_exception", 0x030, 1201, {H, H, H}}; + +//XXX This trap is apparently dropped from ua2005 +/*template<> SparcFaultBase::FaultVals + SparcFault<DataAccessMMUMiss>::vals = + {"data_mmu", 0x031, 12, {H, H, H}};*/ + +template<> SparcFaultBase::FaultVals + SparcFault<DataAccessError>::vals = + {"data_access_error", 0x032, 1210, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<DataAccessProtection>::vals = + {"data_access_protection", 0x033, 1207, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<MemAddressNotAligned>::vals = + {"mem_address_not_aligned", 0x034, 1020, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<LDDFMemAddressNotAligned>::vals = + {"LDDF_mem_address_not_aligned", 0x035, 1010, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<STDFMemAddressNotAligned>::vals = + {"STDF_mem_address_not_aligned", 0x036, 1010, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<PrivilegedAction>::vals = + {"privileged_action", 0x037, 1110, {H, H, SH}}; + +template<> SparcFaultBase::FaultVals + SparcFault<LDQFMemAddressNotAligned>::vals = + {"LDQF_mem_address_not_aligned", 0x038, 1010, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<STQFMemAddressNotAligned>::vals = + {"STQF_mem_address_not_aligned", 0x039, 1010, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<InstructionRealTranslationMiss>::vals = + {"instruction_real_translation_miss", 0x03E, 208, {H, H, SH}}; + +template<> SparcFaultBase::FaultVals + SparcFault<DataRealTranslationMiss>::vals = + {"data_real_translation_miss", 0x03F, 1203, {H, H, H}}; + +//XXX This trap is apparently dropped from ua2005 +/*template<> SparcFaultBase::FaultVals + SparcFault<AsyncDataError>::vals = + {"async_data", 0x040, 2, {H, H, H}};*/ + +template<> SparcFaultBase::FaultVals + SparcFault<InterruptLevelN>::vals = + {"interrupt_level_n", 0x041, 0, {P, P, SH}}; + +template<> SparcFaultBase::FaultVals + SparcFault<HstickMatch>::vals = + {"hstick_match", 0x05E, 1601, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<TrapLevelZero>::vals = + {"trap_level_zero", 0x05F, 202, {H, H, SH}}; + +template<> SparcFaultBase::FaultVals + SparcFault<PAWatchpoint>::vals = + {"PA_watchpoint", 0x061, 1209, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<VAWatchpoint>::vals = + {"VA_watchpoint", 0x062, 1120, {P, P, SH}}; + +template<> SparcFaultBase::FaultVals + SparcFault<FastInstructionAccessMMUMiss>::vals = + {"fast_instruction_access_MMU_miss", 0x064, 208, {H, H, SH}}; + +template<> SparcFaultBase::FaultVals + SparcFault<FastDataAccessMMUMiss>::vals = + {"fast_data_access_MMU_miss", 0x068, 1203, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<FastDataAccessProtection>::vals = + {"fast_data_access_protection", 0x06C, 1207, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<InstructionBreakpoint>::vals = + {"instruction_break", 0x076, 610, {H, H, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<CpuMondo>::vals = + {"cpu_mondo", 0x07C, 1608, {P, P, SH}}; + +template<> SparcFaultBase::FaultVals + SparcFault<DevMondo>::vals = + {"dev_mondo", 0x07D, 1611, {P, P, SH}}; + +template<> SparcFaultBase::FaultVals + SparcFault<ResumeableError>::vals = + {"resume_error", 0x07E, 3330, {P, P, SH}}; + +template<> SparcFaultBase::FaultVals + SparcFault<SpillNNormal>::vals = + {"spill_n_normal", 0x080, 900, {P, P, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<SpillNOther>::vals = + {"spill_n_other", 0x0A0, 900, {P, P, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<FillNNormal>::vals = + {"fill_n_normal", 0x0C0, 900, {P, P, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<FillNOther>::vals = + {"fill_n_other", 0x0E0, 900, {P, P, H}}; + +template<> SparcFaultBase::FaultVals + SparcFault<TrapInstruction>::vals = + {"trap_instruction", 0x100, 1602, {P, P, H}}; #if !FULL_SYSTEM -FaultName PageTableFault::_name = "page_table_fault"; -TrapType PageTableFault::_trapType = 0x0000; -FaultPriority PageTableFault::_priority = 0; -FaultStat PageTableFault::_count; +template<> SparcFaultBase::FaultVals + SparcFault<PageTableFault>::vals = + {"page_table_fault", 0x0000, 0, {SH, SH, SH}}; #endif /** + * This causes the thread context to enter RED state. This causes the side + * effects which go with entering RED state because of a trap. + */ + +void enterREDState(ThreadContext *tc) +{ + //@todo Disable the mmu? + //@todo Disable watchpoints? + MiscReg HPSTATE = tc->readMiscReg(MISCREG_HPSTATE); + //HPSTATE.red = 1 + HPSTATE |= (1 << 5); + //HPSTATE.hpriv = 1 + HPSTATE |= (1 << 2); + tc->setMiscReg(MISCREG_HPSTATE, HPSTATE); +} + +/** + * This sets everything up for a RED state trap except for actually jumping to + * the handler. + */ + +void doREDFault(ThreadContext *tc, TrapType tt) +{ + MiscReg TL = tc->readMiscReg(MISCREG_TL); + MiscReg TSTATE = tc->readMiscReg(MISCREG_TSTATE); + MiscReg PSTATE = tc->readMiscReg(MISCREG_PSTATE); + MiscReg HPSTATE = tc->readMiscReg(MISCREG_HPSTATE); + MiscReg CCR = tc->readMiscReg(MISCREG_CCR); + MiscReg ASI = tc->readMiscReg(MISCREG_ASI); + MiscReg CWP = tc->readMiscReg(MISCREG_CWP); + MiscReg CANSAVE = tc->readMiscReg(MISCREG_CANSAVE); + MiscReg GL = tc->readMiscReg(MISCREG_GL); + MiscReg PC = tc->readPC(); + MiscReg NPC = tc->readNextPC(); + + TL++; + + //set TSTATE.gl to gl + replaceBits(TSTATE, 42, 40, GL); + //set TSTATE.ccr to ccr + replaceBits(TSTATE, 39, 32, CCR); + //set TSTATE.asi to asi + replaceBits(TSTATE, 31, 24, ASI); + //set TSTATE.pstate to pstate + replaceBits(TSTATE, 20, 8, PSTATE); + //set TSTATE.cwp to cwp + replaceBits(TSTATE, 4, 0, CWP); + + //Write back TSTATE + tc->setMiscReg(MISCREG_TSTATE, TSTATE); + + //set TPC to PC + tc->setMiscReg(MISCREG_TPC, PC); + //set TNPC to NPC + tc->setMiscReg(MISCREG_TNPC, NPC); + + //set HTSTATE.hpstate to hpstate + tc->setMiscReg(MISCREG_HTSTATE, HPSTATE); + + //TT = trap type; + tc->setMiscReg(MISCREG_TT, tt); + + //Update GL + tc->setMiscRegWithEffect(MISCREG_GL, min<int>(GL+1, MaxGL)); + + //set PSTATE.mm to 00 + //set PSTATE.pef to 1 + PSTATE |= (1 << 4); + //set PSTATE.am to 0 + PSTATE &= ~(1 << 3); + //set PSTATE.priv to 0 + PSTATE &= ~(1 << 2); + //set PSTATE.ie to 0 + PSTATE &= ~(1 << 1); + //set PSTATE.cle to 0 + PSTATE &= ~(1 << 9); + //PSTATE.tle is unchanged + //XXX Where is the tct bit? + //set PSTATE.tct to 0 + tc->setMiscReg(MISCREG_PSTATE, PSTATE); + + //set HPSTATE.red to 1 + HPSTATE |= (1 << 5); + //set HPSTATE.hpriv to 1 + HPSTATE |= (1 << 2); + //set HPSTATE.ibe to 0 + HPSTATE &= ~(1 << 10); + //set HPSTATE.tlz to 0 + HPSTATE &= ~(1 << 0); + tc->setMiscReg(MISCREG_HPSTATE, HPSTATE); + + bool changedCWP = true; + if(tt == 0x24) + CWP++; + else if(0x80 <= tt && tt <= 0xbf) + CWP += (CANSAVE + 2); + else if(0xc0 <= tt && tt <= 0xff) + CWP--; + else + changedCWP = false; + + if(changedCWP) + { + CWP = (CWP + NWindows) % NWindows; + tc->setMiscRegWithEffect(MISCREG_CWP, CWP); + } +} + +/** * This sets everything up for a normal trap except for actually jumping to - * the handler. It will need to be expanded to include the state machine in - * the manual. Right now it assumes that traps will always be to the - * privileged level. + * the handler. */ -void doNormalFault(ThreadContext *tc, TrapType tt) +void doNormalFault(ThreadContext *tc, TrapType tt, bool gotoHpriv) { - uint64_t TL = tc->readMiscReg(MISCREG_TL); - uint64_t TSTATE = tc->readMiscReg(MISCREG_TSTATE); - uint64_t PSTATE = tc->readMiscReg(MISCREG_PSTATE); - uint64_t HPSTATE = tc->readMiscReg(MISCREG_HPSTATE); - uint64_t CCR = tc->readMiscReg(MISCREG_CCR); - uint64_t ASI = tc->readMiscReg(MISCREG_ASI); - uint64_t CWP = tc->readMiscReg(MISCREG_CWP); - uint64_t CANSAVE = tc->readMiscReg(MISCREG_CANSAVE); - uint64_t GL = tc->readMiscReg(MISCREG_GL); - uint64_t PC = tc->readPC(); - uint64_t NPC = tc->readNextPC(); + MiscReg TL = tc->readMiscReg(MISCREG_TL); + MiscReg TSTATE = tc->readMiscReg(MISCREG_TSTATE); + MiscReg PSTATE = tc->readMiscReg(MISCREG_PSTATE); + MiscReg HPSTATE = tc->readMiscReg(MISCREG_HPSTATE); + MiscReg CCR = tc->readMiscReg(MISCREG_CCR); + MiscReg ASI = tc->readMiscReg(MISCREG_ASI); + MiscReg CWP = tc->readMiscReg(MISCREG_CWP); + MiscReg CANSAVE = tc->readMiscReg(MISCREG_CANSAVE); + MiscReg GL = tc->readMiscReg(MISCREG_GL); + MiscReg PC = tc->readPC(); + MiscReg NPC = tc->readNextPC(); //Increment the trap level TL++; @@ -289,10 +429,10 @@ void doNormalFault(ThreadContext *tc, TrapType tt) tc->setMiscReg(MISCREG_TT, tt); //Update the global register level - if(1/*We're delivering the trap in priveleged mode*/) - tc->setMiscReg(MISCREG_GL, max<int>(GL+1, MaxGL)); + if(!gotoHpriv) + tc->setMiscRegWithEffect(MISCREG_GL, min<int>(GL+1, MaxPGL)); else - tc->setMiscReg(MISCREG_GL, max<int>(GL+1, MaxPGL)); + tc->setMiscRegWithEffect(MISCREG_GL, min<int>(GL+1, MaxGL)); //PSTATE.mm is unchanged //PSTATE.pef = whether or not an fpu is present @@ -301,7 +441,7 @@ void doNormalFault(ThreadContext *tc, TrapType tt) PSTATE |= (1 << 4); //PSTATE.am = 0 PSTATE &= ~(1 << 3); - if(1/*We're delivering the trap in priveleged mode*/) + if(!gotoHpriv) { //PSTATE.priv = 1 PSTATE |= (1 << 2); @@ -322,7 +462,7 @@ void doNormalFault(ThreadContext *tc, TrapType tt) //XXX Where exactly is this field? tc->setMiscReg(MISCREG_PSTATE, PSTATE); - if(0/*We're delivering the trap in hyperprivileged mode*/) + if(gotoHpriv) { //HPSTATE.red = 0 HPSTATE &= ~(1 << 5); @@ -351,47 +491,135 @@ void doNormalFault(ThreadContext *tc, TrapType tt) } } +void getREDVector(Addr & PC, Addr & NPC) +{ + //XXX The following constant might belong in a header file. + const Addr RSTVAddr = 0xFFFFFFFFF0000000ULL; + PC = RSTVAddr | 0xA0; + NPC = PC + sizeof(MachInst); +} + +void getHyperVector(ThreadContext * tc, Addr & PC, Addr & NPC, MiscReg TT) +{ + Addr HTBA = tc->readMiscReg(MISCREG_HTBA); + PC = (HTBA & ~mask(14)) | ((TT << 5) & mask(14)); + NPC = PC + sizeof(MachInst); +} + +void getPrivVector(ThreadContext * tc, Addr & PC, Addr & NPC, MiscReg TT, MiscReg TL) +{ + Addr TBA = tc->readMiscReg(MISCREG_TBA); + PC = (TBA & ~mask(15)) | + (TL > 1 ? (1 << 14) : 0) | + ((TT << 5) & mask(14)); + NPC = PC + sizeof(MachInst); +} + #if FULL_SYSTEM -void SparcFault::invoke(ThreadContext * tc) +void SparcFaultBase::invoke(ThreadContext * tc) { FaultBase::invoke(tc); countStat()++; - //Use the SPARC trap state machine - /*// exception restart address - if (setRestartAddress() || !tc->inPalMode()) - tc->setMiscReg(AlphaISA::IPR_EXC_ADDR, tc->regs.pc); + //We can refer to this to see what the trap level -was-, but something + //in the middle could change it in the regfile out from under us. + MiscReg TL = tc->readMiscReg(MISCREG_TL); + MiscReg TT = tc->readMiscReg(MISCREG_TT); + MiscReg PSTATE = tc->readMiscReg(MISCREG_PSTATE); + MiscReg HPSTATE = tc->readMiscReg(MISCREG_HPSTATE); - if (skipFaultingInstruction()) { - // traps... skip faulting instruction. - tc->setMiscReg(AlphaISA::IPR_EXC_ADDR, - tc->readMiscReg(AlphaISA::IPR_EXC_ADDR) + 4); - } + Addr PC, NPC; - if (!tc->inPalMode()) - AlphaISA::swap_palshadow(&(tc->regs), true); + PrivilegeLevel current; + if(!(PSTATE & (1 << 2))) + current = User; + else if(!(HPSTATE & (1 << 2))) + current = Privileged; + else + current = Hyperprivileged; - tc->regs.pc = tc->readMiscReg(AlphaISA::IPR_PAL_BASE) + vect(); - tc->regs.npc = tc->regs.pc + sizeof(MachInst);*/ -} + PrivilegeLevel level = getNextLevel(current); -#endif + if(HPSTATE & (1 << 5) || TL == MaxTL - 1) + { + getREDVector(PC, NPC); + enterREDState(tc); + doREDFault(tc, TT); + } + else if(TL == MaxTL) + { + //Do error_state somehow? + //Probably inject a WDR fault using the interrupt mechanism. + //What should the PC and NPC be set to? + } + else if(TL > MaxPTL && level == Privileged) + { + //guest_watchdog fault + doNormalFault(tc, trapType(), true); + getHyperVector(tc, PC, NPC, 2); + } + else if(level == Hyperprivileged) + { + doNormalFault(tc, trapType(), true); + getHyperVector(tc, PC, NPC, trapType()); + } + else + { + doNormalFault(tc, trapType(), false); + getPrivVector(tc, PC, NPC, trapType(), TL+1); + } -#if !FULL_SYSTEM + tc->setPC(PC); + tc->setNextPC(NPC); + tc->setNextNPC(NPC + sizeof(MachInst)); +} -void TrapInstruction::invoke(ThreadContext * tc) +void PowerOnReset::invoke(ThreadContext * tc) { - // Should be handled in ISA. + //First, enter RED state. + enterREDState(tc); + + //For SPARC, when a system is first started, there is a power + //on reset Trap which sets the processor into the following state. + //Bits that aren't set aren't defined on startup. + /* + tl = MaxTL; + gl = MaxGL; + + tickFields.counter = 0; //The TICK register is unreadable bya + tickFields.npt = 1; //The TICK register is unreadable by by !priv + + softint = 0; // Clear all the soft interrupt bits + tick_cmprFields.int_dis = 1; // disable timer compare interrupts + tick_cmprFields.tick_cmpr = 0; // Reset to 0 for pretty printing + stickFields.npt = 1; //The TICK register is unreadable by by !priv + stick_cmprFields.int_dis = 1; // disable timer compare interrupts + stick_cmprFields.tick_cmpr = 0; // Reset to 0 for pretty printing + + tt[tl] = _trapType; + pstate = 0; // fields 0 but pef + pstateFields.pef = 1; + + hpstate = 0; + hpstateFields.red = 1; + hpstateFields.hpriv = 1; + hpstateFields.tlz = 0; // this is a guess + hintp = 0; // no interrupts pending + hstick_cmprFields.int_dis = 1; // disable timer compare interrupts + hstick_cmprFields.tick_cmpr = 0; // Reset to 0 for pretty printing + */ } +#else // !FULL_SYSTEM + void SpillNNormal::invoke(ThreadContext *tc) { - doNormalFault(tc, trapType()); + doNormalFault(tc, trapType(), false); Process *p = tc->getProcessPtr(); - //This will only work in faults from a SparcLiveProcess + //XXX This will only work in faults from a SparcLiveProcess SparcLiveProcess *lp = dynamic_cast<SparcLiveProcess *>(p); assert(lp); @@ -404,15 +632,15 @@ void SpillNNormal::invoke(ThreadContext *tc) void FillNNormal::invoke(ThreadContext *tc) { - doNormalFault(tc, trapType()); + doNormalFault(tc, trapType(), false); Process * p = tc->getProcessPtr(); - //This will only work in faults from a SparcLiveProcess + //XXX This will only work in faults from a SparcLiveProcess SparcLiveProcess *lp = dynamic_cast<SparcLiveProcess *>(p); assert(lp); - //The adjust the PC and NPC + //Then adjust the PC and NPC Addr fillStart = lp->readFillStart(); tc->setPC(fillStart); tc->setNextPC(fillStart + sizeof(MachInst)); diff --git a/src/arch/sparc/faults.hh b/src/arch/sparc/faults.hh index 394a06294..e632502aa 100644 --- a/src/arch/sparc/faults.hh +++ b/src/arch/sparc/faults.hh @@ -42,579 +42,240 @@ namespace SparcISA typedef uint32_t TrapType; typedef uint32_t FaultPriority; -class SparcFault : public FaultBase -{ - public: +class SparcFaultBase : public FaultBase +{ + public: + enum PrivilegeLevel + { + U, User = U, + P, Privileged = P, + H, Hyperprivileged = H, + NumLevels, + SH = -1, + ShouldntHappen = SH + }; + struct FaultVals + { + const FaultName name; + const TrapType trapType; + const FaultPriority priority; + const PrivilegeLevel nextPrivilegeLevel[NumLevels]; + FaultStat count; + }; #if FULL_SYSTEM void invoke(ThreadContext * tc); #endif + virtual FaultName name() = 0; virtual TrapType trapType() = 0; virtual FaultPriority priority() = 0; virtual FaultStat & countStat() = 0; + virtual PrivilegeLevel getNextLevel(PrivilegeLevel current) = 0; }; -class InternalProcessorError : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} - bool isMachineCheckFault() {return true;} -}; - -class MemAddressNotAligned : public SparcFault +template<typename T> +class SparcFault : public SparcFaultBase { - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; + protected: + static FaultVals vals; public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} - bool isAlignmentFault() {return true;} + FaultName name() {return vals.name;} + TrapType trapType() {return vals.trapType;} + FaultPriority priority() {return vals.priority;} + FaultStat & countStat() {return vals.count;} + PrivilegeLevel getNextLevel(PrivilegeLevel current) + { + return vals.nextPrivilegeLevel[current]; + } }; -#if !FULL_SYSTEM -class PageTableFault : public SparcFault +class PowerOnReset : public SparcFault<PowerOnReset> { - private: - Addr vaddr; - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - PageTableFault(Addr va) - : vaddr(va) {} - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} void invoke(ThreadContext * tc); }; -static inline Fault genPageTableFault(Addr va) -{ - return new PageTableFault(va); -} -#endif +class WatchDogReset : public SparcFault<WatchDogReset> {}; -static inline Fault genMachineCheckFault() -{ - return new InternalProcessorError; -} +class ExternallyInitiatedReset : public SparcFault<ExternallyInitiatedReset> {}; -static inline Fault genAlignmentFault() -{ - return new MemAddressNotAligned; -} +class SoftwareInitiatedReset : public SparcFault<SoftwareInitiatedReset> {}; -class PowerOnReset : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class REDStateException : public SparcFault<REDStateException> {}; -class WatchDogReset : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class StoreError : public SparcFault<StoreError> {}; -class ExternallyInitiatedReset : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class InstructionAccessException : public SparcFault<InstructionAccessException> {}; -class SoftwareInitiatedReset : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +//class InstructionAccessMMUMiss : public SparcFault<InstructionAccessMMUMiss> {}; -class REDStateException : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class InstructionAccessError : public SparcFault<InstructionAccessError> {}; -class InstructionAccessException : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class IllegalInstruction : public SparcFault<IllegalInstruction> {}; -class InstructionAccessMMUMiss : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class PrivilegedOpcode : public SparcFault<PrivilegedOpcode> {}; -class InstructionAccessError : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +//class UnimplementedLDD : public SparcFault<UnimplementedLDD> {}; -class IllegalInstruction : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +//class UnimplementedSTD : public SparcFault<UnimplementedSTD> {}; -class PrivilegedOpcode : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class FpDisabled : public SparcFault<FpDisabled> {}; -class UnimplementedLDD : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class FpExceptionIEEE754 : public SparcFault<FpExceptionIEEE754> {}; -class UnimplementedSTD : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class FpExceptionOther : public SparcFault<FpExceptionOther> {}; -class FpDisabled : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class TagOverflow : public SparcFault<TagOverflow> {}; -class FpExceptionIEEE754 : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class CleanWindow : public SparcFault<CleanWindow> {}; -class FpExceptionOther : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class DivisionByZero : public SparcFault<DivisionByZero> {}; -class TagOverflow : public SparcFault +class InternalProcessorError : + public SparcFault<InternalProcessorError> { - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} + bool isMachineCheckFault() {return true;} }; -class DivisionByZero : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class InstructionInvalidTSBEntry : public SparcFault<InstructionInvalidTSBEntry> {}; -class DataAccessException : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class DataInvalidTSBEntry : public SparcFault<DataInvalidTSBEntry> {}; -class DataAccessMMUMiss : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class DataAccessException : public SparcFault<DataAccessException> {}; -class DataAccessError : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +//class DataAccessMMUMiss : public SparcFault<DataAccessMMUMiss> {}; -class DataAccessProtection : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class DataAccessError : public SparcFault<DataAccessError> {}; -class LDDFMemAddressNotAligned : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class DataAccessProtection : public SparcFault<DataAccessProtection> {}; -class STDFMemAddressNotAligned : public SparcFault +class MemAddressNotAligned : + public SparcFault<MemAddressNotAligned> { - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} + bool isAlignmentFault() {return true;} }; -class PrivilegedAction : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class LDDFMemAddressNotAligned : public SparcFault<LDDFMemAddressNotAligned> {}; -class LDQFMemAddressNotAligned : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class STDFMemAddressNotAligned : public SparcFault<STDFMemAddressNotAligned> {}; -class STQFMemAddressNotAligned : public SparcFault -{ - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; - public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -}; +class PrivilegedAction : public SparcFault<PrivilegedAction> {}; + +class LDQFMemAddressNotAligned : public SparcFault<LDQFMemAddressNotAligned> {}; + +class STQFMemAddressNotAligned : public SparcFault<STQFMemAddressNotAligned> {}; + +class InstructionRealTranslationMiss : + public SparcFault<InstructionRealTranslationMiss> {}; + +class DataRealTranslationMiss : public SparcFault<DataRealTranslationMiss> {}; -class AsyncDataError : public SparcFault +//class AsyncDataError : public SparcFault<AsyncDataError> {}; + +template <class T> +class EnumeratedFault : public SparcFault<T> { - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; + protected: + uint32_t _n; public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} + EnumeratedFault(uint32_t n) : SparcFault<T>(), _n(n) {} + TrapType trapType() {return SparcFault<T>::trapType() + _n;} }; -class CleanWindow : public SparcFault +class InterruptLevelN : public EnumeratedFault<InterruptLevelN> { - private: - static FaultName _name; - static TrapType _trapType; - static FaultPriority _priority; - static FaultStat _count; public: - FaultName name() {return _name;} - TrapType trapType() {return _trapType;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} + InterruptLevelN(uint32_t n) : EnumeratedFault<InterruptLevelN>(n) {;} + FaultPriority priority() {return 3200 - _n*100;} }; -class EnumeratedFault : public SparcFault +class HstickMatch : public SparcFault<HstickMatch> {}; + +class TrapLevelZero : public SparcFault<TrapLevelZero> {}; + +class PAWatchpoint : public SparcFault<PAWatchpoint> {}; + +class VAWatchpoint : public SparcFault<VAWatchpoint> {}; + +class FastInstructionAccessMMUMiss : + public SparcFault<FastInstructionAccessMMUMiss> {}; + +class FastDataAccessMMUMiss : public SparcFault<FastDataAccessMMUMiss> {}; + +class FastDataAccessProtection : public SparcFault<FastDataAccessProtection> {}; + +class InstructionBreakpoint : public SparcFault<InstructionBreakpoint> {}; + +class CpuMondo : public SparcFault<CpuMondo> {}; + +class DevMondo : public SparcFault<DevMondo> {}; + +class ResumeableError : public SparcFault<ResumeableError> {}; + +class SpillNNormal : public EnumeratedFault<SpillNNormal> { - protected: - uint32_t _n; - virtual TrapType baseTrapType() = 0; public: - EnumeratedFault(uint32_t n) : SparcFault() {_n = n;} - TrapType trapType() {return baseTrapType() + _n;} + SpillNNormal(uint32_t n) : EnumeratedFault<SpillNNormal>(n) {;} + //These need to be handled specially to enable spill traps in SE +#if !FULL_SYSTEM + void invoke(ThreadContext * tc); +#endif }; -class InterruptLevelN : public EnumeratedFault +class SpillNOther : public EnumeratedFault<SpillNOther> { - private: - static FaultName _name; - static TrapType _baseTrapType; - static FaultStat _count; - TrapType baseTrapType() {return _baseTrapType;} public: - InterruptLevelN(uint32_t n) : EnumeratedFault(n) {;} - FaultName name() {return _name;} - FaultPriority priority() {return 32 - _n;} - FaultStat & countStat() {return _count;} + SpillNOther(uint32_t n) : EnumeratedFault<SpillNOther>(n) {;} }; -class SpillNNormal : public EnumeratedFault +class FillNNormal : public EnumeratedFault<FillNNormal> { - private: - static FaultName _name; - static TrapType _baseTrapType; - static FaultPriority _priority; - static FaultStat _count; - TrapType baseTrapType() {return _baseTrapType;} public: - SpillNNormal(uint32_t n) : EnumeratedFault(n) {;} - FaultName name() {return _name;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} + FillNNormal(uint32_t n) : EnumeratedFault<FillNNormal>(n) {;} + //These need to be handled specially to enable fill traps in SE +#if !FULL_SYSTEM void invoke(ThreadContext * tc); +#endif }; -class SpillNOther : public EnumeratedFault +class FillNOther : public EnumeratedFault<FillNOther> { - private: - static FaultName _name; - static TrapType _baseTrapType; - static FaultPriority _priority; - static FaultStat _count; - TrapType baseTrapType() {return _baseTrapType;} public: - SpillNOther(uint32_t n) : EnumeratedFault(n) {;} - FaultName name() {return _name;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} + FillNOther(uint32_t n) : EnumeratedFault<FillNOther>(n) {;} }; -class FillNNormal : public EnumeratedFault +class TrapInstruction : public EnumeratedFault<TrapInstruction> { - private: - static FaultName _name; - static TrapType _baseTrapType; - static FaultPriority _priority; - static FaultStat _count; - TrapType baseTrapType() {return _baseTrapType;} + public: - FillNNormal(uint32_t n) : EnumeratedFault(n) {;} - FaultName name() {return _name;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} - void invoke(ThreadContext * tc); + TrapInstruction(uint32_t n) : EnumeratedFault<TrapInstruction>(n) {;} }; -class FillNOther : public EnumeratedFault +#if !FULL_SYSTEM +class PageTableFault : public SparcFault<PageTableFault> { private: - static FaultName _name; - static TrapType _baseTrapType; - static FaultPriority _priority; - static FaultStat _count; - TrapType baseTrapType() {return _baseTrapType;} + Addr vaddr; public: - FillNOther(uint32_t n) : EnumeratedFault(n) {;} - FaultName name() {return _name;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} + PageTableFault(Addr va) : vaddr(va) {} + void invoke(ThreadContext * tc); }; -class TrapInstruction : public EnumeratedFault +static inline Fault genPageTableFault(Addr va) { - private: - static FaultName _name; - static TrapType _baseTrapType; - static FaultPriority _priority; - static FaultStat _count; - uint64_t syscall_num; - TrapType baseTrapType() {return _baseTrapType;} - public: - TrapInstruction(uint32_t n, uint64_t syscall) : - EnumeratedFault(n), syscall_num(syscall) {;} - FaultName name() {return _name;} - FaultPriority priority() {return _priority;} - FaultStat & countStat() {return _count;} -#if !FULL_SYSTEM - void invoke(ThreadContext * tc); + return new PageTableFault(va); +} #endif -}; + +static inline Fault genMachineCheckFault() +{ + return new InternalProcessorError; +} + +static inline Fault genAlignmentFault() +{ + return new MemAddressNotAligned; +} } // SparcISA namespace diff --git a/src/arch/sparc/floatregfile.cc b/src/arch/sparc/floatregfile.cc index 3afe6ef54..7f3d5a758 100644 --- a/src/arch/sparc/floatregfile.cc +++ b/src/arch/sparc/floatregfile.cc @@ -34,6 +34,8 @@ #include "sim/byteswap.hh" #include "sim/serialize.hh" +#include <string.h> + using namespace SparcISA; using namespace std; @@ -55,7 +57,7 @@ string SparcISA::getFloatRegName(RegIndex index) void FloatRegFile::clear() { - bzero(regSpace, sizeof(regSpace)); + memset(regSpace, 0, sizeof(regSpace)); } FloatReg FloatRegFile::readReg(int floatReg, int width) diff --git a/src/arch/sparc/interrupts.hh b/src/arch/sparc/interrupts.hh new file mode 100644 index 000000000..0072f4184 --- /dev/null +++ b/src/arch/sparc/interrupts.hh @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2006 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Gabe Black + */ + +#ifndef __ARCH_SPARC_INTERRUPT_HH__ +#define __ARCH_SPARC_INTERRUPT_HH__ + +#include "arch/sparc/faults.hh" + +namespace SparcISA +{ + class Interrupts + { + protected: + Fault interrupts[NumInterruptLevels]; + bool requested[NumInterruptLevels]; + + public: + Interrupts() + { + for(int x = 0; x < NumInterruptLevels; x++) + { + interrupts[x] = new InterruptLevelN(x); + requested[x] = false; + } + } + void post(int int_num, int index) + { + if(int_num < 0 || int_num >= NumInterruptLevels) + panic("int_num out of bounds\n"); + + requested[int_num] = true; + } + + void clear(int int_num, int index) + { + requested[int_num] = false; + } + + void clear_all() + { + for(int x = 0; x < NumInterruptLevels; x++) + requested[x] = false; + } + + bool check_interrupts(ThreadContext * tc) const + { + return true; + } + + Fault getInterrupt(ThreadContext * tc) + { + return NoFault; + } + + void serialize(std::ostream &os) + { + } + + void unserialize(Checkpoint *cp, const std::string §ion) + { + } + }; +} + +#endif // __ARCH_SPARC_INTERRUPT_HH__ diff --git a/src/arch/sparc/intregfile.cc b/src/arch/sparc/intregfile.cc index 164f194dd..0e313dc94 100644 --- a/src/arch/sparc/intregfile.cc +++ b/src/arch/sparc/intregfile.cc @@ -33,6 +33,8 @@ #include "base/trace.hh" #include "sim/serialize.hh" +#include <string.h> + using namespace SparcISA; using namespace std; @@ -62,7 +64,7 @@ void IntRegFile::clear() for (x = 0; x < MaxGL; x++) memset(regGlobals[x], 0, sizeof(IntReg) * RegsPerFrame); for(int x = 0; x < 2 * NWindows; x++) - bzero(regSegments[x], sizeof(IntReg) * RegsPerFrame); + memset(regSegments[x], 0, sizeof(IntReg) * RegsPerFrame); } IntRegFile::IntRegFile() diff --git a/src/arch/sparc/isa/decoder.isa b/src/arch/sparc/isa/decoder.isa index a64ff09bb..4f3ea7810 100644 --- a/src/arch/sparc/isa/decoder.isa +++ b/src/arch/sparc/isa/decoder.isa @@ -346,22 +346,93 @@ decode OP default Unknown::unknown() 0x0: sra({{Rd = Rs1.sw >> (I ? SHCNT32 : Rs2<4:0>);}}); 0x1: srax({{Rd = Rs1.sdw >> (I ? SHCNT64 : Rs2<5:0>);}}); } - // XXX might want a format rdipr thing here 0x28: decode RS1 { - 0xF: decode I { + 0x00: NoPriv::rdy({{Rd = Y;}}); + //1 should cause an illegal instruction exception + 0x02: NoPriv::rdccr({{Rd = Ccr;}}); + 0x03: NoPriv::rdasi({{Rd = Asi;}}); + 0x04: PrivCheck::rdtick({{Rd = Tick;}}, {{Tick<63:>}}); + 0x05: NoPriv::rdpc({{ + if(Pstate<3:>) + Rd = (xc->readPC())<31:0>; + else + Rd = xc->readPC();}}); + 0x06: NoPriv::rdfprs({{ + //Wait for all fpops to finish. + Rd = Fprs; + }}); + //7-14 should cause an illegal instruction exception + 0x0F: decode I { 0x0: Nop::stbar({{/*stuff*/}}); 0x1: Nop::membar({{/*stuff*/}}); } - default: rdasr({{ - Rd = xc->readMiscRegWithEffect(RS1 + AsrStart, fault); + 0x10: Priv::rdpcr({{Rd = Pcr;}}); + 0x11: PrivCheck::rdpic({{Rd = Pic;}}, {{Pcr<0:>}}); + //0x12 should cause an illegal instruction exception + 0x13: NoPriv::rdgsr({{ + if(Fprs<2:> == 0 || Pstate<4:> == 0) + Rd = Gsr; + else + fault = new FpDisabled; }}); + //0x14-0x15 should cause an illegal instruction exception + 0x16: Priv::rdsoftint({{Rd = Softint;}}); + 0x17: Priv::rdtick_cmpr({{Rd = TickCmpr;}}); + 0x18: PrivCheck::rdstick({{Rd = Stick}}, {{Stick<63:>}}); + 0x19: Priv::rdstick_cmpr({{Rd = StickCmpr;}}); + //0x1A-0x1F should cause an illegal instruction exception + } + 0x29: decode RS1 { + 0x00: HPriv::rdhprhpstate({{Rd = Hpstate;}}); + 0x01: HPriv::rdhprhtstate({{ + if(Tl == 0) + return new IllegalInstruction; + Rd = Htstate; + }}); + //0x02 should cause an illegal instruction exception + 0x03: HPriv::rdhprhintp({{Rd = Hintp;}}); + //0x04 should cause an illegal instruction exception + 0x05: HPriv::rdhprhtba({{Rd = Htba;}}); + 0x06: HPriv::rdhprhver({{Rd = Hver;}}); + //0x07-0x1E should cause an illegal instruction exception + 0x1F: HPriv::rdhprhstick_cmpr({{Rd = HstickCmpr;}}); + } + 0x2A: decode RS1 { + 0x00: Priv::rdprtpc({{ + if(Tl == 0) + return new IllegalInstruction; + Rd = Tpc; + }}); + 0x01: Priv::rdprtnpc({{ + if(Tl == 0) + return new IllegalInstruction; + Rd = Tnpc; + }}); + 0x02: Priv::rdprtstate({{ + if(Tl == 0) + return new IllegalInstruction; + Rd = Tstate; + }}); + 0x03: Priv::rdprtt({{ + if(Tl == 0) + return new IllegalInstruction; + Rd = Tt; + }}); + 0x04: Priv::rdprtick({{Rd = Tick;}}); + 0x05: Priv::rdprtba({{Rd = Tba;}}); + 0x06: Priv::rdprpstate({{Rd = Pstate;}}); + 0x07: Priv::rdprtl({{Rd = Tl;}}); + 0x08: Priv::rdprpil({{Rd = Pil;}}); + 0x09: Priv::rdprcwp({{Rd = Cwp;}}); + 0x0A: Priv::rdprcansave({{Rd = Cansave;}}); + 0x0B: Priv::rdprcanrestore({{Rd = Canrestore;}}); + 0x0C: Priv::rdprcleanwin({{Rd = Cleanwin;}}); + 0x0D: Priv::rdprotherwin({{Rd = Otherwin;}}); + 0x0E: Priv::rdprwstate({{Rd = Wstate;}}); + //0x0F should cause an illegal instruction exception + 0x10: Priv::rdprgl({{Rd = Gl;}}); + //0x11-0x1F should cause an illegal instruction exception } - 0x29: HPriv::rdhpr({{ - Rd = xc->readMiscRegWithEffect(RS1 + HprStart, fault); - }}); - 0x2A: Priv::rdpr({{ - Rd = xc->readMiscRegWithEffect(RS1 + PrStart, fault); - }}); 0x2B: BasicOperate::flushw({{ if(NWindows - 2 - Cansave == 0) { @@ -417,9 +488,35 @@ decode OP default Unknown::unknown() 0x6: movrg({{Rd = (Rs1.sdw > 0) ? Rs2_or_imm10 : Rd;}}); 0x7: movrge({{Rd = (Rs1.sdw >= 0) ? Rs2_or_imm10 : Rd;}}); } - 0x30: wrasr({{ - xc->setMiscRegWithEffect(RD + AsrStart, Rs1 ^ Rs2_or_imm13); - }}); + 0x30: decode RD { + 0x00: NoPriv::wry({{Y = Rs1 ^ Rs2_or_imm13;}}); + //0x01 should cause an illegal instruction exception + 0x02: NoPriv::wrccr({{Ccr = Rs1 ^ Rs2_or_imm13;}}); + 0x03: NoPriv::wrasi({{Ccr = Rs1 ^ Rs2_or_imm13;}}); + //0x04-0x05 should cause an illegal instruction exception + 0x06: NoPriv::wrfprs({{Fprs = Rs1 ^ Rs2_or_imm13;}}); + //0x07-0x0E should cause an illegal instruction exception + 0x0F: Trap::softreset({{fault = new SoftwareInitiatedReset;}}); + 0x10: Priv::wrpcr({{Pcr = Rs1 ^ Rs2_or_imm13;}}); + 0x11: PrivCheck::wrpic({{Pic = Rs1 ^ Rs2_or_imm13;}}, {{Pcr<0:>}}); + //0x12 should cause an illegal instruction exception + 0x13: NoPriv::wrgsr({{ + if(Fprs<2:> == 0 || Pstate<4:> == 0) + return new FpDisabled; + Gsr = Rs1 ^ Rs2_or_imm13; + }}); + 0x14: Priv::wrsoftint_set({{SoftintSet = Rs1 ^ Rs2_or_imm13;}}); + 0x15: Priv::wrsoftint_clr({{SoftintClr = Rs1 ^ Rs2_or_imm13;}}); + 0x16: Priv::wrsoftint({{Softint = Rs1 ^ Rs2_or_imm13;}}); + 0x17: Priv::wrtick_cmpr({{TickCmpr = Rs1 ^ Rs2_or_imm13;}}); + 0x18: NoPriv::wrstick({{ + if(!Hpstate<2:>) + return new IllegalInstruction; + Stick = Rs1 ^ Rs2_or_imm13; + }}); + 0x19: Priv::wrstick_cmpr({{StickCmpr = Rs1 ^ Rs2_or_imm13;}}); + //0x1A-0x1F should cause an illegal instruction exception + } 0x31: decode FCN { 0x0: Priv::saved({{ assert(Cansave < NWindows - 2); @@ -440,16 +537,70 @@ decode OP default Unknown::unknown() Otherwin = Otherwin - 1; }}); } - 0x32: Priv::wrpr({{ - // XXX Need to protect with format that traps non-priv - // access - xc->setMiscRegWithEffect(RD + PrStart, Rs1 ^ Rs2_or_imm13); - }}); - 0x33: HPriv::wrhpr({{ - // XXX Need to protect with format that traps non-priv/priv - // access - xc->setMiscRegWithEffect(RD + HprStart, Rs1 ^ Rs2_or_imm13); - }}); + 0x32: decode RD { + 0x00: Priv::wrprtpc({{ + if(Tl == 0) + return new IllegalInstruction; + else + Tpc = Rs1 ^ Rs2_or_imm13; + }}); + 0x01: Priv::wrprtnpc({{ + if(Tl == 0) + return new IllegalInstruction; + else + Tnpc = Rs1 ^ Rs2_or_imm13; + }}); + 0x02: Priv::wrprtstate({{ + if(Tl == 0) + return new IllegalInstruction; + else + Tstate = Rs1 ^ Rs2_or_imm13; + }}); + 0x03: Priv::wrprtt({{ + if(Tl == 0) + return new IllegalInstruction; + else + Tt = Rs1 ^ Rs2_or_imm13; + }}); + 0x04: HPriv::wrprtick({{Tick = Rs1 ^ Rs2_or_imm13;}}); + 0x05: Priv::wrprtba({{Tba = Rs1 ^ Rs2_or_imm13;}}); + 0x06: Priv::wrprpstate({{Pstate = Rs1 ^ Rs2_or_imm13;}}); + 0x07: Priv::wrprtl({{ + if(Pstate<2:> && !Hpstate<2:>) + Tl = std::min<uint64_t>(Rs1 ^ Rs2_or_imm13, MaxPTL); + else + Tl = std::min<uint64_t>(Rs1 ^ Rs2_or_imm13, MaxTL); + }}); + 0x08: Priv::wrprpil({{Pil = Rs1 ^ Rs2_or_imm13;}}); + 0x09: Priv::wrprcwp({{Cwp = Rs1 ^ Rs2_or_imm13;}}); + 0x0A: Priv::wrprcansave({{Cansave = Rs1 ^ Rs2_or_imm13;}}); + 0x0B: Priv::wrprcanrestore({{Canrestore = Rs1 ^ Rs2_or_imm13;}}); + 0x0C: Priv::wrprcleanwin({{Cleanwin = Rs1 ^ Rs2_or_imm13;}}); + 0x0D: Priv::wrprotherwin({{Otherwin = Rs1 ^ Rs2_or_imm13;}}); + 0x0E: Priv::wrprwstate({{Wstate = Rs1 ^ Rs2_or_imm13;}}); + //0x0F should cause an illegal instruction exception + 0x10: Priv::wrprgl({{ + if(Pstate<2:> && !Hpstate<2:>) + Gl = std::min<uint64_t>(Rs1 ^ Rs2_or_imm13, MaxPGL); + else + Gl = std::min<uint64_t>(Rs1 ^ Rs2_or_imm13, MaxGL); + }}); + //0x11-0x1F should cause an illegal instruction exception + } + 0x33: decode RD { + 0x00: HPriv::wrhprhpstate({{Hpstate = Rs1 ^ Rs2_or_imm13;}}); + 0x01: HPriv::wrhprhtstate({{ + if(Tl == 0) + return new IllegalInstruction; + Htstate = Rs1 ^ Rs2_or_imm13; + }}); + //0x02 should cause an illegal instruction exception + 0x03: HPriv::wrhprhintp({{Hintp = Rs1 ^ Rs2_or_imm13;}}); + //0x04 should cause an illegal instruction exception + 0x05: HPriv::wrhprhtba({{Htba = Rs1 ^ Rs2_or_imm13;}}); + //0x06-0x01D should cause an illegal instruction exception + 0x1F: HPriv::wrhprhstick_cmpr({{HstickCmpr = Rs1 ^ Rs2_or_imm13;}}); + } 0x34: decode OPF{ format BasicOperate{ 0x01: fmovs({{ diff --git a/src/arch/sparc/isa/formats/priv.isa b/src/arch/sparc/isa/formats/priv.isa index 04c67d332..55bf968f4 100644 --- a/src/arch/sparc/isa/formats/priv.isa +++ b/src/arch/sparc/isa/formats/priv.isa @@ -119,18 +119,34 @@ let {{ return (header_output, decoder_output, exec_output, decode_block) }}; -// Primary format for integer operate instructions: def format Priv(code, *opt_flags) {{ - checkCode = "!(Pstate<2:2> || Hpstate<2:2>)" + checkCode = "!(Pstate<2:> || Hpstate<2:>)" (header_output, decoder_output, exec_output, decode_block) = doPrivFormat(code, - checkCode, name, Name, opt_flags + ('IprAccessOp',)) + checkCode, name, Name, opt_flags) +}}; + +def format NoPriv(code, *opt_flags) {{ + #Instructions which use this format don't really check for + #any particular mode, but the disassembly is performed + #using the control registers actual name + checkCode = "false" + (header_output, decoder_output, + exec_output, decode_block) = doPrivFormat(code, + checkCode, name, Name, opt_flags) +}}; + +def format PrivCheck(code, extraCheckCode, *opt_flags) {{ + checkCode = "(%s) && !(Pstate<2:> || Hpstate<2:>)" % extraCheckCode + (header_output, decoder_output, + exec_output, decode_block) = doPrivFormat(code, + checkCode, name, Name, opt_flags) }}; def format HPriv(code, *opt_flags) {{ checkCode = "!Hpstate<2:2>" (header_output, decoder_output, exec_output, decode_block) = doPrivFormat(code, - checkCode, name, Name, opt_flags + ('IprAccessOp',)) + checkCode, name, Name, opt_flags) }}; diff --git a/src/arch/sparc/isa/includes.isa b/src/arch/sparc/isa/includes.isa index a324756ec..624afb693 100644 --- a/src/arch/sparc/isa/includes.isa +++ b/src/arch/sparc/isa/includes.isa @@ -54,6 +54,7 @@ output decoder {{ #if defined(linux) #include <fenv.h> #endif +#include <algorithm> using namespace SparcISA; }}; diff --git a/src/arch/sparc/isa/operands.isa b/src/arch/sparc/isa/operands.isa index 80b499b91..caee20b0c 100644 --- a/src/arch/sparc/isa/operands.isa +++ b/src/arch/sparc/isa/operands.isa @@ -80,8 +80,6 @@ def operands {{ 'Frs2': ('FloatReg', 'df', 'dfpr(RS2)', 'IsFloating', 12), 'NPC': ('NPC', 'udw', None, ( None, None, 'IsControl' ), 31), 'NNPC': ('NNPC', 'udw', None, (None, None, 'IsControl' ), 32), - #'Runiq': ('ControlReg', 'uq', 'Uniq', None, 1), - #'FPCR': ('ControlReg', 'uq', 'Fpcr', None, 1), 'R0': ('IntReg', 'udw', '0', None, 6), 'R1': ('IntReg', 'udw', '1', None, 7), 'R15': ('IntReg', 'udw', '15', 'IsInteger', 8), @@ -91,24 +89,42 @@ def operands {{ 'Y': ('ControlReg', 'udw', 'MISCREG_Y', None, 40), 'Ccr': ('ControlReg', 'udw', 'MISCREG_CCR', None, 41), 'Asi': ('ControlReg', 'udw', 'MISCREG_ASI', None, 42), + 'Fprs': ('ControlReg', 'udw', 'MISCREG_FPRS', None, 43), + 'Pcr': ('ControlReg', 'udw', 'MISCREG_PCR', None, 44), + 'Pic': ('ControlReg', 'udw', 'MISCREG_PIC', None, 45), + 'Gsr': ('ControlReg', 'udw', 'MISCREG_GSR', None, 46), + 'Softint': ('ControlReg', 'udw', 'MISCREG_SOFTINT', None, 47), + 'SoftintSet': ('ControlReg', 'udw', 'MISCREG_SOFTINT_SET', None, 48), + 'SoftintClr': ('ControlReg', 'udw', 'MISCREG_SOFTINT_CLR', None, 49), + 'TickCmpr': ('ControlReg', 'udw', 'MISCREG_TICK_CMPR', None, 50), + 'Stick': ('ControlReg', 'udw', 'MISCREG_STICK', None, 51), + 'StickCmpr': ('ControlReg', 'udw', 'MISCREG_STICK_CMPR', None, 52), - 'Tpc': ('ControlReg', 'udw', 'MISCREG_TPC', None, 43), - 'Tnpc': ('ControlReg', 'udw', 'MISCREG_TNPC', None, 44), - 'Tstate': ('ControlReg', 'udw', 'MISCREG_TSTATE', None, 45), - 'Pstate': ('ControlReg', 'udw', 'MISCREG_PSTATE', None, 46), - 'Hpstate': ('ControlReg', 'udw', 'MISCREG_HPSTATE', None, 47), - 'Tl': ('ControlReg', 'udw', 'MISCREG_TL', None, 48), + 'Tpc': ('ControlReg', 'udw', 'MISCREG_TPC', None, 53), + 'Tnpc': ('ControlReg', 'udw', 'MISCREG_TNPC', None, 54), + 'Tstate': ('ControlReg', 'udw', 'MISCREG_TSTATE', None, 55), + 'Tt': ('ControlReg', 'udw', 'MISCREG_TT', None, 56), + 'Tick': ('ControlReg', 'udw', 'MISCREG_TICK', None, 57), + 'Tba': ('ControlReg', 'udw', 'MISCREG_TBA', None, 58), + 'Pstate': ('ControlReg', 'udw', 'MISCREG_PSTATE', None, 59), + 'Tl': ('ControlReg', 'udw', 'MISCREG_TL', None, 60), + 'Pil': ('ControlReg', 'udw', 'MISCREG_PIL', None, 61), + 'Cwp': ('ControlReg', 'udw', 'MISCREG_CWP', None, 62), + 'Cansave': ('ControlReg', 'udw', 'MISCREG_CANSAVE', None, 63), + 'Canrestore': ('ControlReg', 'udw', 'MISCREG_CANRESTORE', None, 64), + 'Cleanwin': ('ControlReg', 'udw', 'MISCREG_CLEANWIN', None, 65), + 'Otherwin': ('ControlReg', 'udw', 'MISCREG_OTHERWIN', None, 66), + 'Wstate': ('ControlReg', 'udw', 'MISCREG_WSTATE', None, 67), + 'Gl': ('ControlReg', 'udw', 'MISCREG_GL', None, 68), - 'Cwp': ('ControlReg', 'udw', 'MISCREG_CWP', None, 49), - 'Cansave': ('ControlReg', 'udw', 'MISCREG_CANSAVE', None, 50), - 'Canrestore': ('ControlReg', 'udw', 'MISCREG_CANRESTORE', None, 51), - 'Cleanwin': ('ControlReg', 'udw', 'MISCREG_CLEANWIN', None, 52), - 'Otherwin': ('ControlReg', 'udw', 'MISCREG_OTHERWIN', None, 53), - 'Wstate': ('ControlReg', 'udw', 'MISCREG_WSTATE', None, 54), - 'Gl': ('ControlReg', 'udw', 'MISCREG_GL', None, 55), + 'Hpstate': ('ControlReg', 'udw', 'MISCREG_HPSTATE', None, 69), + 'Htstate': ('ControlReg', 'udw', 'MISCREG_HTSTATE', None, 70), + 'Hintp': ('ControlReg', 'udw', 'MISCREG_HINTP', None, 71), + 'Htba': ('ControlReg', 'udw', 'MISCREG_HTBA', None, 72), + 'HstickCmpr': ('ControlReg', 'udw', 'MISCREG_HSTICK_CMPR', None, 73), + 'Hver': ('ControlReg', 'udw', 'MISCREG_HVER', None, 74), - 'Fsr': ('ControlReg', 'udw', 'MISCREG_FSR', None, 56), - 'Gsr': ('ControlReg', 'udw', 'MISCREG_GSR', None, 57), + 'Fsr': ('ControlReg', 'udw', 'MISCREG_FSR', None, 80), # Mem gets a large number so it's always last 'Mem': ('Mem', 'udw', None, ('IsMemRef', 'IsLoad', 'IsStore'), 100) diff --git a/src/arch/sparc/kernel_stats.hh b/src/arch/sparc/kernel_stats.hh new file mode 100644 index 000000000..c007c54c2 --- /dev/null +++ b/src/arch/sparc/kernel_stats.hh @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2004-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Gabe Black + */ + +#ifndef __ARCH_SPARC_KERNEL_STATS_HH__ +#define __ARCH_SPARC_KERNEL_STATS_HH__ + +#include <map> +#include <stack> +#include <string> +#include <vector> + +#include "kern/kernel_stats.hh" + +namespace SparcISA { +namespace Kernel { + +enum cpu_mode { hypervisor, kernel, user, idle, cpu_mode_num }; +extern const char *modestr[]; + +class Statistics : public ::Kernel::Statistics +{ + public: + Statistics(System *system) : ::Kernel::Statistics(system) + {} +}; + +} /* end namespace AlphaISA::Kernel */ +} /* end namespace AlphaISA */ + +#endif // __ARCH_SPARC_KERNEL_STATS_HH__ diff --git a/src/arch/sparc/miscregfile.cc b/src/arch/sparc/miscregfile.cc index bf4572878..d52e3983f 100644 --- a/src/arch/sparc/miscregfile.cc +++ b/src/arch/sparc/miscregfile.cc @@ -29,11 +29,18 @@ * Ali Saidi */ +#include "arch/sparc/asi.hh" #include "arch/sparc/miscregfile.hh" +#include "base/bitfield.hh" #include "base/trace.hh" +#include "config/full_system.hh" #include "cpu/base.hh" #include "cpu/thread_context.hh" +#if FULL_SYSTEM +#include "arch/sparc/system.hh" +#endif + using namespace SparcISA; using namespace std; @@ -55,66 +62,41 @@ string SparcISA::getMiscRegName(RegIndex index) return miscRegName[index]; } -#if FULL_SYSTEM - -//XXX These need an implementation someplace -/** Fullsystem only register version of ReadRegWithEffect() */ -MiscReg MiscRegFile::readFSRegWithEffect(int miscReg, Fault &fault, ThreadContext *tc); -/** Fullsystem only register version of SetRegWithEffect() */ -Fault MiscRegFile::setFSRegWithEffect(int miscReg, const MiscReg &val, - ThreadContext * tc); -#endif - void MiscRegFile::reset() { - pstateFields.pef = 0; //No FPU - //pstateFields.pef = 1; //FPU -#if FULL_SYSTEM - //For SPARC, when a system is first started, there is a power - //on reset Trap which sets the processor into the following state. - //Bits that aren't set aren't defined on startup. - tl = MaxTL; - gl = MaxGL; - - tickFields.counter = 0; //The TICK register is unreadable bya - tickFields.npt = 1; //The TICK register is unreadable by by !priv - - softint = 0; // Clear all the soft interrupt bits - tick_cmprFields.int_dis = 1; // disable timer compare interrupts - tick_cmprFields.tick_cmpr = 0; // Reset to 0 for pretty printing - stickFields.npt = 1; //The TICK register is unreadable by by !priv - stick_cmprFields.int_dis = 1; // disable timer compare interrupts - stick_cmprFields.tick_cmpr = 0; // Reset to 0 for pretty printing - - - tt[tl] = power_on_reset; - pstate = 0; // fields 0 but pef - pstateFields.pef = 1; - + y = 0; + ccr = 0; + asi = 0; + tick = 0; + fprs = 0; + gsr = 0; + softint = 0; + tick_cmpr = 0; + stick = 0; + stick_cmpr = 0; + memset(tpc, 0, sizeof(tpc)); + memset(tnpc, 0, sizeof(tnpc)); + memset(tstate, 0, sizeof(tstate)); + memset(tt, 0, sizeof(tt)); + pstate = 0; + tl = 0; + pil = 0; + cwp = 0; + cansave = 0; + canrestore = 0; + cleanwin = 0; + otherwin = 0; + wstate = 0; + gl = 0; hpstate = 0; - hpstateFields.red = 1; - hpstateFields.hpriv = 1; - hpstateFields.tlz = 0; // this is a guess - hintp = 0; // no interrupts pending - hstick_cmprFields.int_dis = 1; // disable timer compare interrupts - hstick_cmprFields.tick_cmpr = 0; // Reset to 0 for pretty printing -#else -/* //This sets up the initial state of the processor for usermode processes - pstateFields.priv = 0; //Process runs in user mode - pstateFields.ie = 1; //Interrupts are enabled - fsrFields.rd = 0; //Round to nearest - fsrFields.tem = 0; //Floating point traps not enabled - fsrFields.ns = 0; //Non standard mode off - fsrFields.qne = 0; //Floating point queue is empty - fsrFields.aexc = 0; //No accrued exceptions - fsrFields.cexc = 0; //No current exceptions - - //Register window management registers - otherwin = 0; //No windows contain info from other programs - canrestore = 0; //There are no windows to pop - cansave = MaxTL - 2; //All windows are available to save into - cleanwin = MaxTL;*/ -#endif + memset(htstate, 0, sizeof(htstate)); + hintp = 0; + htba = 0; + hstick_cmpr = 0; + strandStatusReg = 0; + fsr = 0; + implicitInstAsi = ASI_PRIMARY; + implicitDataAsi = ASI_PRIMARY; } MiscReg MiscRegFile::readReg(int miscReg) @@ -131,8 +113,9 @@ MiscReg MiscRegFile::readReg(int miscReg) case MISCREG_TICK: return tick; case MISCREG_PCR: + panic("PCR not implemented\n"); case MISCREG_PIC: - panic("ASR number %d not implemented\n", miscReg - AsrStart); + panic("PIC not implemented\n"); case MISCREG_GSR: return gsr; case MISCREG_SOFTINT: @@ -207,17 +190,27 @@ MiscReg MiscRegFile::readRegWithEffect(int miscReg, ThreadContext * tc) switch (miscReg) { case MISCREG_TICK: case MISCREG_PRIVTICK: - return tc->getCpuPtr()->curCycle() - tickFields.counter | - tickFields.npt << 63; + return tc->getCpuPtr()->curCycle() - (tick & mask(63)) | + (tick & ~(mask(63))) << 63; case MISCREG_FPRS: panic("FPU not implemented\n"); case MISCREG_PCR: case MISCREG_PIC: panic("Performance Instrumentation not impl\n"); - /** Floating Point Status Register */ case MISCREG_FSR: panic("Floating Point not implemented\n"); +//We'll include this only in FS so we don't need the SparcSystem type around +//in SE. +#if FULL_SYSTEM + case MISCREG_STICK: + SparcSystem *sys; + sys = dynamic_cast<SparcSystem*>(tc->getSystemPtr()); + assert(sys != NULL); + return curTick/Clock::Int::ns - sys->sysTick | (stick & ~(mask(63))); +#endif + case MISCREG_HVER: + return NWindows | MaxTL << 8 | MaxGL << 16; } return readReg(miscReg); } @@ -241,8 +234,9 @@ void MiscRegFile::setReg(int miscReg, const MiscReg &val) tick = val; break; case MISCREG_PCR: + panic("PCR not implemented\n"); case MISCREG_PIC: - panic("ASR number %d not implemented\n", miscReg - AsrStart); + panic("PIC not implemented\n"); case MISCREG_GSR: gsr = val; break; @@ -337,14 +331,42 @@ void MiscRegFile::setReg(int miscReg, const MiscReg &val) } } +inline void MiscRegFile::setImplicitAsis() +{ + //The spec seems to use trap level to indicate the privilege level of the + //processor. It's unclear whether the implicit ASIs should directly depend + //on the trap level, or if they should really be based on the privelege + //bits + if(tl == 0) + { + implicitInstAsi = implicitDataAsi = + (pstate & (1 << 9)) ? ASI_PRIMARY_LITTLE : ASI_PRIMARY; + } + else if(tl <= MaxPTL) + { + implicitInstAsi = ASI_NUCLEUS; + implicitDataAsi = (pstate & (1 << 9)) ? ASI_NUCLEUS_LITTLE : ASI_NUCLEUS; + } + else + { + //This is supposed to force physical addresses to match the spec. + //It might not because of context values and partition values. + implicitInstAsi = implicitDataAsi = ASI_REAL; + } +} + void MiscRegFile::setRegWithEffect(int miscReg, const MiscReg &val, ThreadContext * tc) { const uint64_t Bit64 = (1ULL << 63); +#if FULL_SYSTEM + uint64_t time; + SparcSystem *sys; +#endif switch (miscReg) { case MISCREG_TICK: - tickFields.counter = tc->getCpuPtr()->curCycle() - val & ~Bit64; - tickFields.npt = val & Bit64 ? 1 : 0; + tick = tc->getCpuPtr()->curCycle() - val & ~Bit64; + tick |= val & Bit64; break; case MISCREG_FPRS: //Configure the fpu based on the fprs @@ -352,12 +374,84 @@ void MiscRegFile::setRegWithEffect(int miscReg, case MISCREG_PCR: //Set up performance counting based on pcr value break; + case MISCREG_PSTATE: + pstate = val; + setImplicitAsis(); + return; + case MISCREG_TL: + tl = val; + setImplicitAsis(); + return; case MISCREG_CWP: tc->changeRegFileContext(CONTEXT_CWP, val); break; case MISCREG_GL: tc->changeRegFileContext(CONTEXT_GLOBALS, val); break; + case MISCREG_SOFTINT: + //We need to inject interrupts, and or notify the interrupt + //object that it needs to use a different interrupt level. + //Any newly appropriate interrupts will happen when the cpu gets + //around to checking for them. This might not be quite what we + //want. + break; + case MISCREG_SOFTINT_CLR: + //Do whatever this is supposed to do... + break; + case MISCREG_SOFTINT_SET: + //Do whatever this is supposed to do... + break; +#if FULL_SYSTEM + case MISCREG_TICK_CMPR: + if (tickCompare == NULL) + tickCompare = new TickCompareEvent(this, tc); + setReg(miscReg, val); + if ((tick_cmpr & mask(63)) && tickCompare->scheduled()) + tickCompare->deschedule(); + time = (tick_cmpr & mask(63)) - (tick & mask(63)); + if (!(tick_cmpr & ~mask(63)) && time > 0) + tickCompare->schedule(time * tc->getCpuPtr()->cycles(1)); + break; +#endif + case MISCREG_PIL: + //We need to inject interrupts, and or notify the interrupt + //object that it needs to use a different interrupt level. + //Any newly appropriate interrupts will happen when the cpu gets + //around to checking for them. This might not be quite what we + //want. + break; +//We'll include this only in FS so we don't need the SparcSystem type around +//in SE. +#if FULL_SYSTEM + case MISCREG_STICK: + sys = dynamic_cast<SparcSystem*>(tc->getSystemPtr()); + assert(sys != NULL); + sys->sysTick = curTick/Clock::Int::ns - val & ~Bit64; + stick |= val & Bit64; + break; + case MISCREG_STICK_CMPR: + if (sTickCompare == NULL) + sTickCompare = new STickCompareEvent(this, tc); + sys = dynamic_cast<SparcSystem*>(tc->getSystemPtr()); + assert(sys != NULL); + if ((stick_cmpr & ~mask(63)) && sTickCompare->scheduled()) + sTickCompare->deschedule(); + time = (stick_cmpr & mask(63)) - sys->sysTick; + if (!(stick_cmpr & ~mask(63)) && time > 0) + sTickCompare->schedule(time * Clock::Int::ns); + break; + case MISCREG_HSTICK_CMPR: + if (hSTickCompare == NULL) + hSTickCompare = new HSTickCompareEvent(this, tc); + sys = dynamic_cast<SparcSystem*>(tc->getSystemPtr()); + assert(sys != NULL); + if ((hstick_cmpr & ~mask(63)) && hSTickCompare->scheduled()) + hSTickCompare->deschedule(); + int64_t time = (hstick_cmpr & mask(63)) - sys->sysTick; + if (!(hstick_cmpr & ~mask(63)) && time > 0) + hSTickCompare->schedule(time * Clock::Int::ns); + break; +#endif } setReg(miscReg, val); } @@ -389,6 +483,8 @@ void MiscRegFile::serialize(std::ostream & os) SERIALIZE_ARRAY(htstate, MaxTL); SERIALIZE_SCALAR(htba); SERIALIZE_SCALAR(hstick_cmpr); + SERIALIZE_SCALAR((int)implicitInstAsi); + SERIALIZE_SCALAR((int)implicitDataAsi); } void MiscRegFile::unserialize(Checkpoint * cp, const std::string & section) @@ -418,5 +514,29 @@ void MiscRegFile::unserialize(Checkpoint * cp, const std::string & section) UNSERIALIZE_ARRAY(htstate, MaxTL); UNSERIALIZE_SCALAR(htba); UNSERIALIZE_SCALAR(hstick_cmpr); + int temp; + UNSERIALIZE_SCALAR(temp); + implicitInstAsi = (ASI)temp; + UNSERIALIZE_SCALAR(temp); + implicitDataAsi = (ASI)temp; } +#if FULL_SYSTEM +void +MiscRegFile::processTickCompare(ThreadContext *tc) +{ + panic("tick compare not implemented\n"); +} + +void +MiscRegFile::processSTickCompare(ThreadContext *tc) +{ + panic("tick compare not implemented\n"); +} + +void +MiscRegFile::processHSTickCompare(ThreadContext *tc) +{ + panic("tick compare not implemented\n"); +} +#endif diff --git a/src/arch/sparc/miscregfile.hh b/src/arch/sparc/miscregfile.hh index 771cb1ed6..f74943256 100644 --- a/src/arch/sparc/miscregfile.hh +++ b/src/arch/sparc/miscregfile.hh @@ -32,9 +32,11 @@ #ifndef __ARCH_SPARC_MISCREGFILE_HH__ #define __ARCH_SPARC_MISCREGFILE_HH__ +#include "arch/sparc/asi.hh" #include "arch/sparc/faults.hh" #include "arch/sparc/isa_traits.hh" #include "arch/sparc/types.hh" +#include "cpu/cpuevent.hh" #include <string> @@ -44,59 +46,53 @@ namespace SparcISA //These functions map register indices to names std::string getMiscRegName(RegIndex); - const int AsrStart = 0; - const int PrStart = 32; - const int HprStart = 64; - const int MiscStart = 96; - enum MiscRegIndex { /** Ancillary State Registers */ - MISCREG_Y = AsrStart + 0, - MISCREG_CCR = AsrStart + 2, - MISCREG_ASI = AsrStart + 3, - MISCREG_TICK = AsrStart + 4, - MISCREG_FPRS = AsrStart + 6, - MISCREG_PCR = AsrStart + 16, - MISCREG_PIC = AsrStart + 17, - MISCREG_GSR = AsrStart + 19, - MISCREG_SOFTINT_SET = AsrStart + 20, - MISCREG_SOFTINT_CLR = AsrStart + 21, - MISCREG_SOFTINT = AsrStart + 22, - MISCREG_TICK_CMPR = AsrStart + 23, - MISCREG_STICK = AsrStart + 24, - MISCREG_STICK_CMPR = AsrStart + 25, + MISCREG_Y, + MISCREG_CCR, + MISCREG_ASI, + MISCREG_TICK, + MISCREG_FPRS, + MISCREG_PCR, + MISCREG_PIC, + MISCREG_GSR, + MISCREG_SOFTINT_SET, + MISCREG_SOFTINT_CLR, + MISCREG_SOFTINT, + MISCREG_TICK_CMPR, + MISCREG_STICK, + MISCREG_STICK_CMPR, /** Privilged Registers */ - MISCREG_TPC = PrStart + 0, - MISCREG_TNPC = PrStart + 1, - MISCREG_TSTATE = PrStart + 2, - MISCREG_TT = PrStart + 3, - MISCREG_PRIVTICK = PrStart + 4, - MISCREG_TBA = PrStart + 5, - MISCREG_PSTATE = PrStart + 6, - MISCREG_TL = PrStart + 7, - MISCREG_PIL = PrStart + 8, - MISCREG_CWP = PrStart + 9, - MISCREG_CANSAVE = PrStart + 10, - MISCREG_CANRESTORE = PrStart + 11, - MISCREG_CLEANWIN = PrStart + 12, - MISCREG_OTHERWIN = PrStart + 13, - MISCREG_WSTATE = PrStart + 14, - MISCREG_GL = PrStart + 16, + MISCREG_TPC, + MISCREG_TNPC, + MISCREG_TSTATE, + MISCREG_TT, + MISCREG_PRIVTICK, + MISCREG_TBA, + MISCREG_PSTATE, + MISCREG_TL, + MISCREG_PIL, + MISCREG_CWP, + MISCREG_CANSAVE, + MISCREG_CANRESTORE, + MISCREG_CLEANWIN, + MISCREG_OTHERWIN, + MISCREG_WSTATE, + MISCREG_GL, /** Hyper privileged registers */ - MISCREG_HPSTATE = HprStart + 0, - MISCREG_HTSTATE = HprStart + 1, - MISCREG_HINTP = HprStart + 3, - MISCREG_HTBA = HprStart + 5, - MISCREG_HVER = HprStart + 6, - MISCREG_STRAND_STS_REG = HprStart + 16, - MISCREG_HSTICK_CMPR = HprStart + 31, + MISCREG_HPSTATE, + MISCREG_HTSTATE, + MISCREG_HINTP, + MISCREG_HTBA, + MISCREG_HVER, + MISCREG_STRAND_STS_REG, + MISCREG_HSTICK_CMPR, /** Floating Point Status Register */ - MISCREG_FSR = MiscStart + 0 - + MISCREG_FSR }; // The control registers, broken out into fields @@ -105,93 +101,16 @@ namespace SparcISA private: /* ASR Registers */ - union { - uint64_t y; // Y (used in obsolete multiplication) - struct { - uint64_t value:32; // The actual value stored in y - uint64_t :32; // reserved bits - } yFields; - }; - union { - uint8_t ccr; // Condition Code Register - struct { - union { - uint8_t icc:4; // 32-bit condition codes - struct { - uint8_t c:1; // Carry - uint8_t v:1; // Overflow - uint8_t z:1; // Zero - uint8_t n:1; // Negative - } iccFields; - }; - union { - uint8_t xcc:4; // 64-bit condition codes - struct { - uint8_t c:1; // Carry - uint8_t v:1; // Overflow - uint8_t z:1; // Zero - uint8_t n:1; // Negative - } xccFields; - }; - } ccrFields; - }; + uint64_t y; // Y (used in obsolete multiplication) + uint8_t ccr; // Condition Code Register uint8_t asi; // Address Space Identifier - union { - uint64_t tick; // Hardware clock-tick counter - struct { - int64_t counter:63; // Clock-tick count - uint64_t npt:1; // Non-priveleged trap - } tickFields; - }; - union { - uint8_t fprs; // Floating-Point Register State - struct { - uint8_t dl:1; // Dirty lower - uint8_t du:1; // Dirty upper - uint8_t fef:1; // FPRS enable floating-Point - } fprsFields; - }; - union { - uint64_t gsr; //General Status Register - struct { - uint64_t mask:32; - uint64_t :4; - uint64_t im:1; - uint64_t irnd:2; - uint64_t :17; - uint64_t scale:5; - uint64_t align:3; - } gsrFields; - }; - union { - uint64_t softint; - struct { - uint64_t tm:1; - uint64_t int_level:14; - uint64_t sm:1; - } softintFields; - }; - union { - uint64_t tick_cmpr; // Hardware tick compare registers - struct { - uint64_t tick_cmpr:63; // Clock-tick count - uint64_t int_dis:1; // Non-priveleged trap - } tick_cmprFields; - }; - union { - uint64_t stick; // Hardware clock-tick counter - struct { - int64_t :63; // Not used, storage in SparcSystem - uint64_t npt:1; // Non-priveleged trap - } stickFields; - }; - union { - uint64_t stick_cmpr; // Hardware tick compare registers - struct { - uint64_t tick_cmpr:63; // Clock-tick count - uint64_t int_dis:1; // Non-priveleged trap - } stick_cmprFields; - }; + uint64_t tick; // Hardware clock-tick counter + uint8_t fprs; // Floating-Point Register State + uint64_t gsr; // General Status Register + uint64_t softint; + uint64_t tick_cmpr; // Hardware tick compare registers + uint64_t stick; // Hardware clock-tick counter + uint64_t stick_cmpr; // Hardware tick compare registers /* Privileged Registers */ @@ -199,37 +118,12 @@ namespace SparcISA // previous trap level) uint64_t tnpc[MaxTL]; // Trap Next Program Counter (value from // previous trap level) - union { - uint64_t tstate[MaxTL]; // Trap State - struct { - //Values are from previous trap level - uint64_t cwp:5; // Current Window Pointer - uint64_t :3; // Reserved bits - uint64_t pstate:13; // Process State - uint64_t :3; // Reserved bits - uint64_t asi:8; // Address Space Identifier - uint64_t ccr:8; // Condition Code Register - uint64_t gl:8; // Global level - } tstateFields[MaxTL]; - }; + uint64_t tstate[MaxTL]; // Trap State uint16_t tt[MaxTL]; // Trap Type (Type of trap which occured // on the previous level) uint64_t tba; // Trap Base Address - union { - uint16_t pstate; // Process State Register - struct { - uint16_t :1; // reserved - uint16_t ie:1; // Interrupt enable - uint16_t priv:1; // Privelege mode - uint16_t am:1; // Address mask - uint16_t pef:1; // PSTATE enable floating-point - uint16_t :1; // reserved2 - uint16_t mm:2; // Memory Model - uint16_t tle:1; // Trap little-endian - uint16_t cle:1; // Current little-endian - } pstateFields; - }; + uint16_t pstate; // Process State Register uint8_t tl; // Trap Level uint8_t pil; // Process Interrupt Register uint8_t cwp; // Current Window Pointer @@ -237,97 +131,23 @@ namespace SparcISA uint8_t canrestore; // Restorable windows uint8_t cleanwin; // Clean windows uint8_t otherwin; // Other windows - union { - uint8_t wstate; // Window State - struct { - uint8_t normal:3; // Bits TT<4:2> are set to on a normal - // register window trap - uint8_t other:3; // Bits TT<4:2> are set to on an "otherwin" - // register window trap - } wstateFields; - }; + uint8_t wstate; // Window State uint8_t gl; // Global level register - /** Hyperprivileged Registers */ - union { - uint64_t hpstate; // Hyperprivileged State Register - struct { - uint8_t tlz: 1; - uint8_t :1; - uint8_t hpriv:1; - uint8_t :2; - uint8_t red:1; - uint8_t :4; - uint8_t ibe:1; - uint8_t id:1; - } hpstateFields; - }; - - uint64_t htstate[MaxTL]; // Hyperprivileged Trap State Register + uint64_t hpstate; // Hyperprivileged State Register + uint64_t htstate[MaxTL];// Hyperprivileged Trap State Register uint64_t hintp; - uint64_t htba; // Hyperprivileged Trap Base Address register - union { - uint64_t hstick_cmpr; // Hardware tick compare registers - struct { - uint64_t tick_cmpr:63; // Clock-tick count - uint64_t int_dis:1; // Non-priveleged trap - } hstick_cmprFields; - }; - - uint64_t strandStatusReg; // Per strand status register + uint64_t htba; // Hyperprivileged Trap Base Address register + uint64_t hstick_cmpr; // Hardware tick compare registers + uint64_t strandStatusReg;// Per strand status register /** Floating point misc registers. */ - union { - uint64_t fsr; // Floating-Point State Register - struct { - union { - uint64_t cexc:5; // Current excpetion - struct { - uint64_t nxc:1; // Inexact - uint64_t dzc:1; // Divide by zero - uint64_t ufc:1; // Underflow - uint64_t ofc:1; // Overflow - uint64_t nvc:1; // Invalid operand - } cexcFields; - }; - union { - uint64_t aexc:5; // Accrued exception - struct { - uint64_t nxc:1; // Inexact - uint64_t dzc:1; // Divide by zero - uint64_t ufc:1; // Underflow - uint64_t ofc:1; // Overflow - uint64_t nvc:1; // Invalid operand - } aexcFields; - }; - uint64_t fcc0:2; // Floating-Point condtion codes - uint64_t :1; // Reserved bits - uint64_t qne:1; // Deferred trap queue not empty - // with no queue, it should read 0 - uint64_t ftt:3; // Floating-Point trap type - uint64_t ver:3; // Version (of the FPU) - uint64_t :2; // Reserved bits - uint64_t ns:1; // Nonstandard floating point - union { - uint64_t tem:5; // Trap Enable Mask - struct { - uint64_t nxm:1; // Inexact - uint64_t dzm:1; // Divide by zero - uint64_t ufm:1; // Underflow - uint64_t ofm:1; // Overflow - uint64_t nvm:1; // Invalid operand - } temFields; - }; - uint64_t :2; // Reserved bits - uint64_t rd:2; // Rounding direction - uint64_t fcc1:2; // Floating-Point condition codes - uint64_t fcc2:2; // Floating-Point condition codes - uint64_t fcc3:2; // Floating-Point condition codes - uint64_t :26; // Reserved bits - } fsrFields; - }; + uint64_t fsr; // Floating-Point State Register + + ASI implicitInstAsi; + ASI implicitDataAsi; // These need to check the int_dis field and if 0 then // set appropriate bit in softint and checkinterrutps on the cpu @@ -349,12 +169,6 @@ namespace SparcISA typedef CpuEventWrapper<MiscRegFile, &MiscRegFile::processHSTickCompare> HSTickCompareEvent; HSTickCompareEvent *hSTickCompare; - - /** Fullsystem only register version of ReadRegWithEffect() */ - MiscReg readFSRegWithEffect(int miscReg, Fault &fault, ThreadContext *tc); - /** Fullsystem only register version of SetRegWithEffect() */ - Fault setFSRegWithEffect(int miscReg, const MiscReg &val, - ThreadContext * tc); #endif public: @@ -374,6 +188,16 @@ namespace SparcISA void setRegWithEffect(int miscReg, const MiscReg &val, ThreadContext * tc); + ASI getInstAsid() + { + return implicitInstAsi; + } + + ASI getDataAsid() + { + return implicitDataAsi; + } + void serialize(std::ostream & os); void unserialize(Checkpoint * cp, const std::string & section); @@ -382,9 +206,10 @@ namespace SparcISA protected: - bool isHyperPriv() { return hpstateFields.hpriv; } - bool isPriv() { return hpstateFields.hpriv || pstateFields.priv; } + bool isHyperPriv() { return (hpstate & (1 << 2)); } + bool isPriv() { return (hpstate & (1 << 2)) || (pstate & (1 << 2)); } bool isNonPriv() { return !isPriv(); } + inline void setImplicitAsis(); }; } diff --git a/src/arch/sparc/process.cc b/src/arch/sparc/process.cc index a3b7dde7c..11a799ccb 100644 --- a/src/arch/sparc/process.cc +++ b/src/arch/sparc/process.cc @@ -29,6 +29,7 @@ * Ali Saidi */ +#include "arch/sparc/asi.hh" #include "arch/sparc/isa_traits.hh" #include "arch/sparc/process.hh" #include "base/loader/object_file.hh" @@ -105,6 +106,8 @@ SparcLiveProcess::startup() threadContexts[0]->setMiscReg(MISCREG_WSTATE, 0); //Set the trap level to 0 threadContexts[0]->setMiscReg(MISCREG_TL, 0); + //Set the ASI register to something fixed + threadContexts[0]->setMiscReg(MISCREG_ASI, ASI_PRIMARY); } m5_auxv_t buildAuxVect(int64_t type, int64_t val) diff --git a/src/arch/sparc/regfile.cc b/src/arch/sparc/regfile.cc index 5eb874d39..65e6017da 100644 --- a/src/arch/sparc/regfile.cc +++ b/src/arch/sparc/regfile.cc @@ -79,24 +79,20 @@ MiscReg RegFile::readMiscReg(int miscReg) return miscRegFile.readReg(miscReg); } -MiscReg RegFile::readMiscRegWithEffect(int miscReg, - Fault &fault, ThreadContext *tc) +MiscReg RegFile::readMiscRegWithEffect(int miscReg, ThreadContext *tc) { - fault = NoFault; return miscRegFile.readRegWithEffect(miscReg, tc); } -Fault RegFile::setMiscReg(int miscReg, const MiscReg &val) +void RegFile::setMiscReg(int miscReg, const MiscReg &val) { miscRegFile.setReg(miscReg, val); - return NoFault; } -Fault RegFile::setMiscRegWithEffect(int miscReg, const MiscReg &val, +void RegFile::setMiscRegWithEffect(int miscReg, const MiscReg &val, ThreadContext * tc) { miscRegFile.setRegWithEffect(miscReg, val, tc); - return NoFault; } FloatReg RegFile::readFloatReg(int floatReg, int width) @@ -122,27 +118,26 @@ FloatRegBits RegFile::readFloatRegBits(int floatReg) FloatRegFile::SingleWidth); } -Fault RegFile::setFloatReg(int floatReg, const FloatReg &val, int width) +void RegFile::setFloatReg(int floatReg, const FloatReg &val, int width) { - return floatRegFile.setReg(floatReg, val, width); + floatRegFile.setReg(floatReg, val, width); } -Fault RegFile::setFloatReg(int floatReg, const FloatReg &val) +void RegFile::setFloatReg(int floatReg, const FloatReg &val) { //Use the "natural" width of a single float - return setFloatReg(floatReg, val, FloatRegFile::SingleWidth); + setFloatReg(floatReg, val, FloatRegFile::SingleWidth); } -Fault RegFile::setFloatRegBits(int floatReg, const FloatRegBits &val, int width) +void RegFile::setFloatRegBits(int floatReg, const FloatRegBits &val, int width) { - return floatRegFile.setRegBits(floatReg, val, width); + floatRegFile.setRegBits(floatReg, val, width); } -Fault RegFile::setFloatRegBits(int floatReg, const FloatRegBits &val) +void RegFile::setFloatRegBits(int floatReg, const FloatRegBits &val) { //Use the "natural" width of a single float - return floatRegFile.setRegBits(floatReg, val, - FloatRegFile::SingleWidth); + floatRegFile.setRegBits(floatReg, val, FloatRegFile::SingleWidth); } IntReg RegFile::readIntReg(int intReg) @@ -150,9 +145,9 @@ IntReg RegFile::readIntReg(int intReg) return intRegFile.readReg(intReg); } -Fault RegFile::setIntReg(int intReg, const IntReg &val) +void RegFile::setIntReg(int intReg, const IntReg &val) { - return intRegFile.setReg(intReg, val); + intRegFile.setReg(intReg, val); } void RegFile::serialize(std::ostream &os) diff --git a/src/arch/sparc/regfile.hh b/src/arch/sparc/regfile.hh index 500fbbba4..9f33435f6 100644 --- a/src/arch/sparc/regfile.hh +++ b/src/arch/sparc/regfile.hh @@ -32,7 +32,6 @@ #ifndef __ARCH_SPARC_REGFILE_HH__ #define __ARCH_SPARC_REGFILE_HH__ -#include "arch/sparc/faults.hh" #include "arch/sparc/floatregfile.hh" #include "arch/sparc/intregfile.hh" #include "arch/sparc/isa_traits.hh" @@ -76,14 +75,23 @@ namespace SparcISA MiscReg readMiscReg(int miscReg); - MiscReg readMiscRegWithEffect(int miscReg, - Fault &fault, ThreadContext *tc); + MiscReg readMiscRegWithEffect(int miscReg, ThreadContext *tc); - Fault setMiscReg(int miscReg, const MiscReg &val); + void setMiscReg(int miscReg, const MiscReg &val); - Fault setMiscRegWithEffect(int miscReg, const MiscReg &val, + void setMiscRegWithEffect(int miscReg, const MiscReg &val, ThreadContext * tc); + ASI instAsid() + { + return miscRegFile.getInstAsid(); + } + + ASI dataAsid() + { + return miscRegFile.getDataAsid(); + } + FloatReg readFloatReg(int floatReg, int width); FloatReg readFloatReg(int floatReg); @@ -92,17 +100,17 @@ namespace SparcISA FloatRegBits readFloatRegBits(int floatReg); - Fault setFloatReg(int floatReg, const FloatReg &val, int width); + void setFloatReg(int floatReg, const FloatReg &val, int width); - Fault setFloatReg(int floatReg, const FloatReg &val); + void setFloatReg(int floatReg, const FloatReg &val); - Fault setFloatRegBits(int floatReg, const FloatRegBits &val, int width); + void setFloatRegBits(int floatReg, const FloatRegBits &val, int width); - Fault setFloatRegBits(int floatReg, const FloatRegBits &val); + void setFloatRegBits(int floatReg, const FloatRegBits &val); IntReg readIntReg(int intReg); - Fault setIntReg(int intReg, const IntReg &val); + void setIntReg(int intReg, const IntReg &val); void serialize(std::ostream &os); void unserialize(Checkpoint *cp, const std::string §ion); diff --git a/src/arch/sparc/remote_gdb.cc b/src/arch/sparc/remote_gdb.cc new file mode 100644 index 000000000..c76f8b820 --- /dev/null +++ b/src/arch/sparc/remote_gdb.cc @@ -0,0 +1,203 @@ +/* + * Copyright (c) 2002-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Nathan Binkert + */ + +/* + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Lawrence Berkeley Laboratories. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)kgdb_stub.c 8.4 (Berkeley) 1/12/94 + */ + +/*- + * Copyright (c) 2001 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jason R. Thorpe. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * $NetBSD: kgdb_stub.c,v 1.8 2001/07/07 22:58:00 wdk Exp $ + * + * Taken from NetBSD + * + * "Stub" to allow remote cpu to debug over a serial line using gdb. + */ + +#include <sys/signal.h> + +#include <string> +#include <unistd.h> + +#include "arch/vtophys.hh" +#include "arch/sparc/remote_gdb.hh" +#include "base/intmath.hh" +#include "base/remote_gdb.hh" +#include "base/socket.hh" +#include "base/trace.hh" +#include "config/full_system.hh" +#include "cpu/thread_context.hh" +#include "cpu/static_inst.hh" +#include "mem/physical.hh" +#include "mem/port.hh" +#include "sim/system.hh" + +using namespace std; +using namespace TheISA; + +RemoteGDB::RemoteGDB(System *_system, ThreadContext *c) + : BaseRemoteGDB(_system, c, NumGDBRegs) +{} + +/////////////////////////////////////////////////////////// +// RemoteGDB::acc +// +// Determine if the mapping at va..(va+len) is valid. +// +bool +RemoteGDB::acc(Addr va, size_t len) +{ + //@Todo In NetBSD, this function checks if all addresses + //from va to va + len have valid page mape entries. Not + //sure how this will work for other OSes or in general. + return true; +} + +/////////////////////////////////////////////////////////// +// RemoteGDB::getregs +// +// Translate the kernel debugger register format into +// the GDB register format. +void +RemoteGDB::getregs() +{ + memset(gdbregs.regs, 0, gdbregs.size); + + gdbregs.regs[RegPc] = context->readPC(); + gdbregs.regs[RegNpc] = context->readNextPC(); + for(int x = RegG0; x <= RegI0 + 7; x++) + gdbregs.regs[x] = context->readIntReg(x - RegG0); + //Floating point registers are left at 0 in netbsd + //All registers other than the pc, npc and int regs + //are ignored as well. +} + +/////////////////////////////////////////////////////////// +// RemoteGDB::setregs +// +// Translate the GDB register format into the kernel +// debugger register format. +// +void +RemoteGDB::setregs() +{ + context->setPC(gdbregs.regs[RegPc]); + context->setNextPC(gdbregs.regs[RegNpc]); + for(int x = RegG0; x <= RegI0 + 7; x++) + context->setIntReg(x - RegG0, gdbregs.regs[x]); + //Only the integer registers, pc and npc are set in netbsd +} + +void +RemoteGDB::clearSingleStep() +{ + panic("SPARC does not support hardware single stepping\n"); +} + +void +RemoteGDB::setSingleStep() +{ + panic("SPARC does not support hardware single stepping\n"); +} diff --git a/src/arch/sparc/remote_gdb.hh b/src/arch/sparc/remote_gdb.hh new file mode 100644 index 000000000..e4b66b783 --- /dev/null +++ b/src/arch/sparc/remote_gdb.hh @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2002-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Nathan Binkert + */ + +#ifndef __ARCH_ALPHA_REMOTE_GDB_HH__ +#define __ARCH_ALPHA_REMOTE_GDB_HH__ + +#include <map> + +#include "arch/types.hh" +#include "base/remote_gdb.hh" +#include "cpu/pc_event.hh" +#include "base/pollevent.hh" + +class System; +class ThreadContext; +class PhysicalMemory; + +namespace SparcISA +{ + class RemoteGDB : public BaseRemoteGDB + { + protected: + enum RegisterConstants + { + RegG0 = 0, RegO0 = 8, RegL0 = 16, RegI0 = 24, + RegF0 = 32, RegF32 = 64, + RegPc = 80, RegNpc, RegCcr, RegFsr, RegFprs, RegY, RegAsi, + RegVer, RegTick, RegPil, RegPstate, + RegTstate, RegTba, RegTl, RegTt, RegTpc, RegTnpc, RegWstate, + RegCwp, RegCansave, RegCanrestore, RegCleanwin, RegOtherwin, + RegAsr16 = 103, + RegIcc = 119, RegXcc, + RegFcc0 = 121, + NumGDBRegs + }; + + public: + RemoteGDB(System *system, ThreadContext *context); + + bool acc(Addr addr, size_t len); + + protected: + void getregs(); + void setregs(); + + void clearSingleStep(); + void setSingleStep(); + }; +} + +#endif /* __ARCH_ALPHA_REMOTE_GDB_H__ */ diff --git a/src/arch/sparc/stacktrace.cc b/src/arch/sparc/stacktrace.cc new file mode 100644 index 000000000..2eb697bf2 --- /dev/null +++ b/src/arch/sparc/stacktrace.cc @@ -0,0 +1,372 @@ +/* + * Copyright (c) 2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Nathan Binkert + */ + +#include <string> + +#include "arch/sparc/isa_traits.hh" +#include "arch/sparc/stacktrace.hh" +#include "arch/sparc/vtophys.hh" +#include "base/bitfield.hh" +#include "base/trace.hh" +#include "cpu/base.hh" +#include "cpu/thread_context.hh" +#include "sim/system.hh" + +using namespace std; +namespace SparcISA +{ + ProcessInfo::ProcessInfo(ThreadContext *_tc) + : tc(_tc) + { + Addr addr = 0; + + VirtualPort *vp; + + vp = tc->getVirtPort(); + + if (!tc->getSystemPtr()->kernelSymtab->findAddress("thread_info_size", addr)) + panic("thread info not compiled into kernel\n"); + thread_info_size = vp->readGtoH<int32_t>(addr); + + if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_size", addr)) + panic("thread info not compiled into kernel\n"); + task_struct_size = vp->readGtoH<int32_t>(addr); + + if (!tc->getSystemPtr()->kernelSymtab->findAddress("thread_info_task", addr)) + panic("thread info not compiled into kernel\n"); + task_off = vp->readGtoH<int32_t>(addr); + + if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_pid", addr)) + panic("thread info not compiled into kernel\n"); + pid_off = vp->readGtoH<int32_t>(addr); + + if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_comm", addr)) + panic("thread info not compiled into kernel\n"); + name_off = vp->readGtoH<int32_t>(addr); + + tc->delVirtPort(vp); + } + + Addr + ProcessInfo::task(Addr ksp) const + { + Addr base = ksp & ~0x3fff; + if (base == ULL(0xfffffc0000000000)) + return 0; + + Addr tsk; + + VirtualPort *vp; + + vp = tc->getVirtPort(); + tsk = vp->readGtoH<Addr>(base + task_off); + tc->delVirtPort(vp); + + return tsk; + } + + int + ProcessInfo::pid(Addr ksp) const + { + Addr task = this->task(ksp); + if (!task) + return -1; + + uint16_t pd; + + VirtualPort *vp; + + vp = tc->getVirtPort(); + pd = vp->readGtoH<uint16_t>(task + pid_off); + tc->delVirtPort(vp); + + return pd; + } + + string + ProcessInfo::name(Addr ksp) const + { + Addr task = this->task(ksp); + if (!task) + return "console"; + + char comm[256]; + CopyStringOut(tc, comm, task + name_off, sizeof(comm)); + if (!comm[0]) + return "startup"; + + return comm; + } + + StackTrace::StackTrace() + : tc(0), stack(64) + { + } + + StackTrace::StackTrace(ThreadContext *_tc, StaticInstPtr inst) + : tc(0), stack(64) + { + trace(_tc, inst); + } + + StackTrace::~StackTrace() + { + } + + void + StackTrace::trace(ThreadContext *_tc, bool is_call) + { +#if 0 + tc = _tc; + + bool usermode = (tc->readMiscReg(AlphaISA::IPR_DTB_CM) & 0x18) != 0; + + Addr pc = tc->readNextPC(); + bool kernel = tc->getSystemPtr()->kernelStart <= pc && + pc <= tc->getSystemPtr()->kernelEnd; + + if (usermode) { + stack.push_back(user); + return; + } + + if (!kernel) { + stack.push_back(console); + return; + } + + SymbolTable *symtab = tc->getSystemPtr()->kernelSymtab; + Addr ksp = tc->readIntReg(TheISA::StackPointerReg); + Addr bottom = ksp & ~0x3fff; + Addr addr; + + if (is_call) { + if (!symtab->findNearestAddr(pc, addr)) + panic("could not find address %#x", pc); + + stack.push_back(addr); + pc = tc->readPC(); + } + + Addr ra; + int size; + + while (ksp > bottom) { + if (!symtab->findNearestAddr(pc, addr)) + panic("could not find symbol for pc=%#x", pc); + assert(pc >= addr && "symbol botch: callpc < func"); + + stack.push_back(addr); + + if (isEntry(addr)) + return; + + if (decodePrologue(ksp, pc, addr, size, ra)) { + if (!ra) + return; + + if (size <= 0) { + stack.push_back(unknown); + return; + } + + pc = ra; + ksp += size; + } else { + stack.push_back(unknown); + return; + } + + bool kernel = tc->getSystemPtr()->kernelStart <= pc && + pc <= tc->getSystemPtr()->kernelEnd; + if (!kernel) + return; + + if (stack.size() >= 1000) + panic("unwinding too far"); + } + + panic("unwinding too far"); +#endif + } + + bool + StackTrace::isEntry(Addr addr) + { +#if 0 + if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp12)) + return true; + + if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp7)) + return true; + + if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp11)) + return true; + + if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp21)) + return true; + + if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp9)) + return true; + + if (addr == tc->readMiscReg(AlphaISA::IPR_PALtemp2)) + return true; +#endif + return false; + } + + bool + StackTrace::decodeStack(MachInst inst, int &disp) + { + // lda $sp, -disp($sp) + // + // Opcode<31:26> == 0x08 + // RA<25:21> == 30 + // RB<20:16> == 30 + // Disp<15:0> + const MachInst mem_mask = 0xffff0000; + const MachInst lda_pattern = 0x23de0000; + const MachInst lda_disp_mask = 0x0000ffff; + + // subq $sp, disp, $sp + // addq $sp, disp, $sp + // + // Opcode<31:26> == 0x10 + // RA<25:21> == 30 + // Lit<20:13> + // One<12> = 1 + // Func<11:5> == 0x20 (addq) + // Func<11:5> == 0x29 (subq) + // RC<4:0> == 30 + const MachInst intop_mask = 0xffe01fff; + const MachInst addq_pattern = 0x43c0141e; + const MachInst subq_pattern = 0x43c0153e; + const MachInst intop_disp_mask = 0x001fe000; + const int intop_disp_shift = 13; + + if ((inst & mem_mask) == lda_pattern) + disp = -sext<16>(inst & lda_disp_mask); + else if ((inst & intop_mask) == addq_pattern) + disp = -int((inst & intop_disp_mask) >> intop_disp_shift); + else if ((inst & intop_mask) == subq_pattern) + disp = int((inst & intop_disp_mask) >> intop_disp_shift); + else + return false; + + return true; + } + + bool + StackTrace::decodeSave(MachInst inst, int ®, int &disp) + { + // lda $stq, disp($sp) + // + // Opcode<31:26> == 0x08 + // RA<25:21> == ? + // RB<20:16> == 30 + // Disp<15:0> + const MachInst stq_mask = 0xfc1f0000; + const MachInst stq_pattern = 0xb41e0000; + const MachInst stq_disp_mask = 0x0000ffff; + const MachInst reg_mask = 0x03e00000; + const int reg_shift = 21; + + if ((inst & stq_mask) == stq_pattern) { + reg = (inst & reg_mask) >> reg_shift; + disp = sext<16>(inst & stq_disp_mask); + } else { + return false; + } + + return true; + } + + /* + * Decode the function prologue for the function we're in, and note + * which registers are stored where, and how large the stack frame is. + */ + bool + StackTrace::decodePrologue(Addr sp, Addr callpc, Addr func, + int &size, Addr &ra) + { + size = 0; + ra = 0; + + for (Addr pc = func; pc < callpc; pc += sizeof(MachInst)) { + MachInst inst; + CopyOut(tc, (uint8_t *)&inst, pc, sizeof(MachInst)); + + int reg, disp; + if (decodeStack(inst, disp)) { + if (size) { + // panic("decoding frame size again"); + return true; + } + size += disp; + } else if (decodeSave(inst, reg, disp)) { + if (!ra && reg == ReturnAddressReg) { + CopyOut(tc, (uint8_t *)&ra, sp + disp, sizeof(Addr)); + if (!ra) { + // panic("no return address value pc=%#x\n", pc); + return false; + } + } + } + } + + return true; + } + +#if TRACING_ON + void + StackTrace::dump() + { + StringWrap name(tc->getCpuPtr()->name()); + SymbolTable *symtab = tc->getSystemPtr()->kernelSymtab; + + DPRINTFN("------ Stack ------\n"); + + string symbol; + for (int i = 0, size = stack.size(); i < size; ++i) { + Addr addr = stack[size - i - 1]; + if (addr == user) + symbol = "user"; + else if (addr == console) + symbol = "console"; + else if (addr == unknown) + symbol = "unknown"; + else + symtab->findSymbol(addr, symbol); + + DPRINTFN("%#x: %s\n", addr, symbol); + } + } +#endif +} diff --git a/src/arch/sparc/stacktrace.hh b/src/arch/sparc/stacktrace.hh index 54d3d17be..4bc5d779b 100644 --- a/src/arch/sparc/stacktrace.hh +++ b/src/arch/sparc/stacktrace.hh @@ -35,87 +35,90 @@ #include "cpu/static_inst.hh" class ThreadContext; -class StackTrace; - -class ProcessInfo +namespace SparcISA { - private: - ThreadContext *tc; + class StackTrace; - int thread_info_size; - int task_struct_size; - int task_off; - int pid_off; - int name_off; + class ProcessInfo + { + private: + ThreadContext *tc; - public: - ProcessInfo(ThreadContext *_tc); + int thread_info_size; + int task_struct_size; + int task_off; + int pid_off; + int name_off; - Addr task(Addr ksp) const; - int pid(Addr ksp) const; - std::string name(Addr ksp) const; -}; + public: + ProcessInfo(ThreadContext *_tc); -class StackTrace -{ - protected: - typedef TheISA::MachInst MachInst; - private: - ThreadContext *tc; - std::vector<Addr> stack; - - private: - bool isEntry(Addr addr); - bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra); - bool decodeSave(MachInst inst, int ®, int &disp); - bool decodeStack(MachInst inst, int &disp); - - void trace(ThreadContext *tc, bool is_call); - - public: - StackTrace(); - StackTrace(ThreadContext *tc, StaticInstPtr inst); - ~StackTrace(); - - void clear() + Addr task(Addr ksp) const; + int pid(Addr ksp) const; + std::string name(Addr ksp) const; + }; + + class StackTrace { - tc = 0; - stack.clear(); - } + protected: + typedef TheISA::MachInst MachInst; + private: + ThreadContext *tc; + std::vector<Addr> stack; + + private: + bool isEntry(Addr addr); + bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra); + bool decodeSave(MachInst inst, int ®, int &disp); + bool decodeStack(MachInst inst, int &disp); - bool valid() const { return tc != NULL; } - bool trace(ThreadContext *tc, StaticInstPtr inst); + void trace(ThreadContext *tc, bool is_call); - public: - const std::vector<Addr> &getstack() const { return stack; } + public: + StackTrace(); + StackTrace(ThreadContext *tc, StaticInstPtr inst); + ~StackTrace(); - static const int user = 1; - static const int console = 2; - static const int unknown = 3; + void clear() + { + tc = 0; + stack.clear(); + } + + bool valid() const { return tc != NULL; } + bool trace(ThreadContext *tc, StaticInstPtr inst); + + public: + const std::vector<Addr> &getstack() const { return stack; } + + static const int user = 1; + static const int console = 2; + static const int unknown = 3; #if TRACING_ON - private: - void dump(); + private: + void dump(); - public: - void dprintf() { if (DTRACE(Stack)) dump(); } + public: + void dprintf() { if (DTRACE(Stack)) dump(); } #else - public: - void dprintf() {} + public: + void dprintf() {} #endif -}; + }; -inline bool -StackTrace::trace(ThreadContext *tc, StaticInstPtr inst) -{ - if (!inst->isCall() && !inst->isReturn()) - return false; + inline bool + StackTrace::trace(ThreadContext *tc, StaticInstPtr inst) + { + if (!inst->isCall() && !inst->isReturn()) + return false; - if (valid()) - clear(); + if (valid()) + clear(); - trace(tc, !inst->isReturn()); - return true; + trace(tc, !inst->isReturn()); + return true; + } } #endif // __ARCH_SPARC_STACKTRACE_HH__ diff --git a/src/arch/sparc/system.cc b/src/arch/sparc/system.cc index ef6443d17..4e907f002 100644 --- a/src/arch/sparc/system.cc +++ b/src/arch/sparc/system.cc @@ -42,42 +42,49 @@ using namespace BigEndianGuest; SparcSystem::SparcSystem(Params *p) - : System(p), sysTick(0) + : System(p), sysTick(0),funcRomPort(p->name + "-fport") { resetSymtab = new SymbolTable; hypervisorSymtab = new SymbolTable; openbootSymtab = new SymbolTable; + Port *rom_port; + rom_port = params()->rom->getPort("functional"); + funcRomPort.setPeer(rom_port); + rom_port->setPeer(&funcRomPort); /** * Load the boot code, and hypervisor into memory. */ // Read the reset binary - reset = createObjectFile(params()->reset_bin); + reset = createObjectFile(params()->reset_bin, true); if (reset == NULL) fatal("Could not load reset binary %s", params()->reset_bin); // Read the openboot binary - openboot = createObjectFile(params()->openboot_bin); + openboot = createObjectFile(params()->openboot_bin, true); if (openboot == NULL) fatal("Could not load openboot bianry %s", params()->openboot_bin); // Read the hypervisor binary - hypervisor = createObjectFile(params()->hypervisor_bin); + hypervisor = createObjectFile(params()->hypervisor_bin, true); if (hypervisor == NULL) fatal("Could not load hypervisor binary %s", params()->hypervisor_bin); // Load reset binary into memory - reset->loadSections(&functionalPort, SparcISA::LoadAddrMask); + reset->setTextBase(params()->reset_addr); + reset->loadSections(&funcRomPort); // Load the openboot binary - openboot->loadSections(&functionalPort, SparcISA::LoadAddrMask); + openboot->setTextBase(params()->openboot_addr); + openboot->loadSections(&funcRomPort); // Load the hypervisor binary - hypervisor->loadSections(&functionalPort, SparcISA::LoadAddrMask); + hypervisor->setTextBase(params()->hypervisor_addr); + hypervisor->loadSections(&funcRomPort); // load symbols - if (!reset->loadGlobalSymbols(reset)) + if (!reset->loadGlobalSymbols(resetSymtab)) panic("could not load reset symbols\n"); if (!openboot->loadGlobalSymbols(openbootSymtab)) @@ -141,13 +148,19 @@ SparcSystem::unserialize(Checkpoint *cp, const std::string §ion) BEGIN_DECLARE_SIM_OBJECT_PARAMS(SparcSystem) SimObjectParam<PhysicalMemory *> physmem; + SimObjectParam<PhysicalMemory *> rom; SimpleEnumParam<System::MemoryMode> mem_mode; + Param<Addr> reset_addr; + Param<Addr> hypervisor_addr; + Param<Addr> openboot_addr; + Param<std::string> kernel; Param<std::string> reset_bin; Param<std::string> hypervisor_bin; Param<std::string> openboot_bin; + Param<Tick> boot_cpu_frequency; Param<std::string> boot_osflags; Param<std::string> readfile; Param<unsigned int> init_param; @@ -156,20 +169,24 @@ END_DECLARE_SIM_OBJECT_PARAMS(SparcSystem) BEGIN_INIT_SIM_OBJECT_PARAMS(SparcSystem) - INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"), INIT_PARAM(physmem, "phsyical memory"), + INIT_PARAM(rom, "ROM for boot code"), INIT_ENUM_PARAM(mem_mode, "Memory Mode, (1=atomic, 2=timing)", System::MemoryModeStrings), + + INIT_PARAM(reset_addr, "Address that reset should be loaded at"), + INIT_PARAM(hypervisor_addr, "Address that hypervisor should be loaded at"), + INIT_PARAM(openboot_addr, "Address that openboot should be loaded at"), + INIT_PARAM(kernel, "file that contains the kernel code"), INIT_PARAM(reset_bin, "file that contains the reset code"), INIT_PARAM(hypervisor_bin, "file that contains the hypervisor code"), INIT_PARAM(openboot_bin, "file that contains the openboot code"), + INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"), INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot", "a"), INIT_PARAM_DFLT(readfile, "file to read startup script from", ""), - INIT_PARAM_DFLT(init_param, "numerical value to pass into simulator", 0), - INIT_PARAM_DFLT(system_type, "Type of system we are emulating", 34), - INIT_PARAM_DFLT(system_rev, "Revision of system we are emulating", 1<<10) + INIT_PARAM_DFLT(init_param, "numerical value to pass into simulator", 0) END_INIT_SIM_OBJECT_PARAMS(SparcSystem) @@ -179,16 +196,18 @@ CREATE_SIM_OBJECT(SparcSystem) p->name = getInstanceName(); p->boot_cpu_frequency = boot_cpu_frequency; p->physmem = physmem; + p->rom = rom; p->mem_mode = mem_mode; p->kernel_path = kernel; + p->reset_addr = reset_addr; + p->hypervisor_addr = hypervisor_addr; + p->openboot_addr = openboot_addr; p->reset_bin = reset_bin; p->hypervisor_bin = hypervisor_bin; p->openboot_bin = openboot_bin; p->boot_osflags = boot_osflags; p->init_param = init_param; p->readfile = readfile; - p->system_type = system_type; - p->system_rev = system_rev; return new SparcSystem(p); } diff --git a/src/arch/sparc/system.hh b/src/arch/sparc/system.hh index 614707f6c..9cf3bb568 100644 --- a/src/arch/sparc/system.hh +++ b/src/arch/sparc/system.hh @@ -45,12 +45,14 @@ class SparcSystem : public System public: struct Params : public System::Params { + PhysicalMemory *rom; + Addr reset_addr; + Addr hypervisor_addr; + Addr openboot_addr; std::string reset_bin; - std::string hypervison_bin; + std::string hypervisor_bin; std::string openboot_bin; std::string boot_osflags; - uint64_t system_type; - uint64_t system_rev; }; SparcSystem(Params *p); @@ -87,6 +89,9 @@ class SparcSystem : public System /** System Tick for syncronized tick across all cpus. */ Tick sysTick; + /** functional port to ROM */ + FunctionalPort funcRomPort; + protected: const Params *params() const { return (const Params *)_params; } @@ -111,8 +116,11 @@ class SparcSystem : public System return addFuncEvent<T>(openbootSymtab, lbl); } - virtual Addr fixFuncEventAddr(Addr addr); - + virtual Addr fixFuncEventAddr(Addr addr) + { + //XXX This may eventually have to do something useful. + return addr; + } }; #endif diff --git a/src/arch/sparc/tlb.cc b/src/arch/sparc/tlb.cc new file mode 100644 index 000000000..0b1a2ff5f --- /dev/null +++ b/src/arch/sparc/tlb.cc @@ -0,0 +1,79 @@ +/* + * Copyright (c) 2001-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Nathan Binkert + * Steve Reinhardt + * Andrew Schultz + */ + +#include "arch/sparc/tlb.hh" +#include "sim/builder.hh" + +namespace SparcISA +{ + DEFINE_SIM_OBJECT_CLASS_NAME("SparcTLB", TLB) + + BEGIN_DECLARE_SIM_OBJECT_PARAMS(ITB) + + Param<int> size; + + END_DECLARE_SIM_OBJECT_PARAMS(ITB) + + BEGIN_INIT_SIM_OBJECT_PARAMS(ITB) + + INIT_PARAM_DFLT(size, "TLB size", 48) + + END_INIT_SIM_OBJECT_PARAMS(ITB) + + + CREATE_SIM_OBJECT(ITB) + { + return new ITB(getInstanceName(), size); + } + + REGISTER_SIM_OBJECT("SparcITB", ITB) + + BEGIN_DECLARE_SIM_OBJECT_PARAMS(DTB) + + Param<int> size; + + END_DECLARE_SIM_OBJECT_PARAMS(DTB) + + BEGIN_INIT_SIM_OBJECT_PARAMS(DTB) + + INIT_PARAM_DFLT(size, "TLB size", 64) + + END_INIT_SIM_OBJECT_PARAMS(DTB) + + + CREATE_SIM_OBJECT(DTB) + { + return new DTB(getInstanceName(), size); + } + + REGISTER_SIM_OBJECT("SparcDTB", DTB) +} diff --git a/src/arch/sparc/tlb.hh b/src/arch/sparc/tlb.hh index 35ff08b43..0fdba6baf 100644 --- a/src/arch/sparc/tlb.hh +++ b/src/arch/sparc/tlb.hh @@ -31,5 +31,47 @@ #ifndef __ARCH_SPARC_TLB_HH__ #define __ARCH_SPARC_TLB_HH__ +#include "mem/request.hh" +#include "sim/faults.hh" +#include "sim/sim_object.hh" + +class ThreadContext; + +namespace SparcISA +{ + class TLB : public SimObject + { + public: + TLB(const std::string &name, int size) : SimObject(name) + { + } + }; + + class ITB : public TLB + { + public: + ITB(const std::string &name, int size) : TLB(name, size) + { + } + + Fault translate(RequestPtr &req, ThreadContext *tc) const + { + return NoFault; + } + }; + + class DTB : public TLB + { + public: + DTB(const std::string &name, int size) : TLB(name, size) + { + } + + Fault translate(RequestPtr &req, ThreadContext *tc, bool write) const + { + return NoFault; + } + }; +} #endif // __ARCH_SPARC_TLB_HH__ diff --git a/src/arch/sparc/utility.hh b/src/arch/sparc/utility.hh index 23fddf0e9..e51677cdf 100644 --- a/src/arch/sparc/utility.hh +++ b/src/arch/sparc/utility.hh @@ -31,6 +31,7 @@ #ifndef __ARCH_SPARC_UTILITY_HH__ #define __ARCH_SPARC_UTILITY_HH__ +#include "arch/sparc/faults.hh" #include "arch/sparc/isa_traits.hh" #include "base/misc.hh" #include "base/bitfield.hh" @@ -38,6 +39,14 @@ namespace SparcISA { + + static inline bool + inUserMode(ThreadContext *tc) + { + return !(tc->readMiscReg(MISCREG_PSTATE & (1 << 2)) || + tc->readMiscReg(MISCREG_HPSTATE & (1 << 2))); + } + inline ExtMachInst makeExtMI(MachInst inst, ThreadContext * xc) { ExtMachInst emi = (unsigned MachInst) inst; @@ -99,6 +108,12 @@ namespace SparcISA template <class TC> void zeroRegisters(TC *tc); + inline void initCPU(ThreadContext *tc, int cpuId) + { + static Fault por = new PowerOnReset(); + por->invoke(tc); + } + } // namespace SparcISA #endif diff --git a/src/arch/sparc/vtophys.cc b/src/arch/sparc/vtophys.cc index f7fd92c15..429126b70 100644 --- a/src/arch/sparc/vtophys.cc +++ b/src/arch/sparc/vtophys.cc @@ -32,135 +32,47 @@ #include <string> -#include "arch/alpha/ev5.hh" -#include "arch/alpha/vtophys.hh" +#include "arch/sparc/vtophys.hh" #include "base/chunk_generator.hh" #include "base/trace.hh" #include "cpu/thread_context.hh" #include "mem/vport.hh" using namespace std; -using namespace AlphaISA; -AlphaISA::PageTableEntry -AlphaISA::kernel_pte_lookup(FunctionalPort *mem, Addr ptbr, AlphaISA::VAddr vaddr) +namespace SparcISA { - Addr level1_pte = ptbr + vaddr.level1(); - AlphaISA::PageTableEntry level1 = mem->read<uint64_t>(level1_pte); - if (!level1.valid()) { - DPRINTF(VtoPhys, "level 1 PTE not valid, va = %#\n", vaddr); - return 0; + PageTableEntry kernel_pte_lookup(FunctionalPort *mem, + Addr ptbr, VAddr vaddr) + { + PageTableEntry pte(4); + return pte; } - Addr level2_pte = level1.paddr() + vaddr.level2(); - AlphaISA::PageTableEntry level2 = mem->read<uint64_t>(level2_pte); - if (!level2.valid()) { - DPRINTF(VtoPhys, "level 2 PTE not valid, va = %#x\n", vaddr); - return 0; + Addr vtophys(Addr vaddr) + { + return vaddr; } - Addr level3_pte = level2.paddr() + vaddr.level3(); - AlphaISA::PageTableEntry level3 = mem->read<uint64_t>(level3_pte); - if (!level3.valid()) { - DPRINTF(VtoPhys, "level 3 PTE not valid, va = %#x\n", vaddr); - return 0; + Addr vtophys(ThreadContext *tc, Addr addr) + { + return addr; } - return level3; -} -Addr -AlphaISA::vtophys(Addr vaddr) -{ - Addr paddr = 0; - if (AlphaISA::IsUSeg(vaddr)) - DPRINTF(VtoPhys, "vtophys: invalid vaddr %#x", vaddr); - else if (AlphaISA::IsK0Seg(vaddr)) - paddr = AlphaISA::K0Seg2Phys(vaddr); - else - panic("vtophys: ptbr is not set on virtual lookup"); - DPRINTF(VtoPhys, "vtophys(%#x) -> %#x\n", vaddr, paddr); - - return paddr; -} - -Addr -AlphaISA::vtophys(ThreadContext *tc, Addr addr) -{ - AlphaISA::VAddr vaddr = addr; - Addr ptbr = tc->readMiscReg(AlphaISA::IPR_PALtemp20); - Addr paddr = 0; - //@todo Andrew couldn't remember why he commented some of this code - //so I put it back in. Perhaps something to do with gdb debugging? - if (AlphaISA::PcPAL(vaddr) && (vaddr < EV5::PalMax)) { - paddr = vaddr & ~ULL(1); - } else { - if (AlphaISA::IsK0Seg(vaddr)) { - paddr = AlphaISA::K0Seg2Phys(vaddr); - } else if (!ptbr) { - paddr = vaddr; - } else { - AlphaISA::PageTableEntry pte = - kernel_pte_lookup(tc->getPhysPort(), ptbr, vaddr); - if (pte.valid()) - paddr = pte.paddr() | vaddr.offset(); - } + void CopyOut(ThreadContext *tc, void *dest, Addr src, size_t cplen) + { } + void CopyIn(ThreadContext *tc, Addr dest, void *source, size_t cplen) + { + } - DPRINTF(VtoPhys, "vtophys(%#x) -> %#x\n", vaddr, paddr); - - return paddr; -} - - -void -AlphaISA::CopyOut(ThreadContext *tc, void *dest, Addr src, size_t cplen) -{ - uint8_t *dst = (uint8_t *)dest; - VirtualPort *vp = tc->getVirtPort(tc); - - vp->readBlob(src, dst, cplen); - - tc->delVirtPort(vp); - -} - -void -AlphaISA::CopyIn(ThreadContext *tc, Addr dest, void *source, size_t cplen) -{ - uint8_t *src = (uint8_t *)source; - VirtualPort *vp = tc->getVirtPort(tc); - - vp->writeBlob(dest, src, cplen); - - tc->delVirtPort(vp); -} - -void -AlphaISA::CopyStringOut(ThreadContext *tc, char *dst, Addr vaddr, size_t maxlen) -{ - int len = 0; - VirtualPort *vp = tc->getVirtPort(tc); - - do { - vp->readBlob(vaddr++, (uint8_t*)dst++, 1); - len++; - } while (len < maxlen && dst[len] != 0 ); - - tc->delVirtPort(vp); - dst[len] = 0; -} + void CopyStringOut(ThreadContext *tc, char *dst, Addr vaddr, size_t maxlen) + { + } -void -AlphaISA::CopyStringIn(ThreadContext *tc, char *src, Addr vaddr) -{ - VirtualPort *vp = tc->getVirtPort(tc); - for (ChunkGenerator gen(vaddr, strlen(src), AlphaISA::PageBytes); !gen.done(); - gen.next()) + void CopyStringIn(ThreadContext *tc, char *src, Addr vaddr) { - vp->writeBlob(gen.addr(), (uint8_t*)src, gen.size()); - src += gen.size(); } - tc->delVirtPort(vp); } diff --git a/src/base/loader/object_file.cc b/src/base/loader/object_file.cc index 42c74d418..ad2cd34ba 100644 --- a/src/base/loader/object_file.cc +++ b/src/base/loader/object_file.cc @@ -45,6 +45,7 @@ #include "base/loader/ecoff_object.hh" #include "base/loader/aout_object.hh" #include "base/loader/elf_object.hh" +#include "base/loader/raw_object.hh" #include "mem/translating_port.hh" @@ -107,7 +108,7 @@ ObjectFile::close() ObjectFile * -createObjectFile(const string &fname) +createObjectFile(const string &fname, bool raw) { // open the file int fd = open(fname.c_str(), O_RDONLY); @@ -141,6 +142,9 @@ createObjectFile(const string &fname) return fileObj; } + if (raw) + return RawObject::tryFile(fname, fd, len, fileData); + // don't know what it is close(fd); munmap(fileData, len); diff --git a/src/base/loader/object_file.hh b/src/base/loader/object_file.hh index 79fa394c6..64085185d 100644 --- a/src/base/loader/object_file.hh +++ b/src/base/loader/object_file.hh @@ -114,9 +114,11 @@ class ObjectFile size_t textSize() const { return text.size; } size_t dataSize() const { return data.size; } size_t bssSize() const { return bss.size; } + + void setTextBase(Addr a) { text.baseAddr = a; } }; -ObjectFile *createObjectFile(const std::string &fname); +ObjectFile *createObjectFile(const std::string &fname, bool raw = false); #endif // __OBJECT_FILE_HH__ diff --git a/src/base/loader/raw_object.cc b/src/base/loader/raw_object.cc new file mode 100644 index 000000000..79ddb81fe --- /dev/null +++ b/src/base/loader/raw_object.cc @@ -0,0 +1,72 @@ +/* + * Copyright (c) 2006 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Steve Reinhardt + */ + +#include "base/loader/raw_object.hh" +#include "base/trace.hh" + +ObjectFile * +RawObject::tryFile(const std::string &fname, int fd, size_t len, uint8_t *data) +{ + return new RawObject(fname, fd, len, data, ObjectFile::UnknownArch, + ObjectFile::UnknownOpSys); +} + +RawObject::RawObject(const std::string &_filename, int _fd, size_t _len, + uint8_t *_data, Arch _arch, OpSys _opSys) + : ObjectFile(_filename, _fd, _len, _data, _arch, _opSys) +{ + text.baseAddr = 0; + text.size = len; + text.fileImage = fileData; + + data.baseAddr = 0; + data.size = 0; + data.fileImage = NULL; + + bss.baseAddr = 0; + bss.size = 0; + bss.fileImage = NULL; + + DPRINTFR(Loader, "text: 0x%x %d\ndata: 0x%x %d\nbss: 0x%x %d\n", + text.baseAddr, text.size, data.baseAddr, data.size, + bss.baseAddr, bss.size); +} + +bool +RawObject::loadGlobalSymbols(SymbolTable *symtab) +{ + return true; +} + +bool +RawObject::loadLocalSymbols(SymbolTable *symtab) +{ + return true; +} diff --git a/src/base/loader/raw_object.hh b/src/base/loader/raw_object.hh new file mode 100644 index 000000000..c7fff4e66 --- /dev/null +++ b/src/base/loader/raw_object.hh @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2006 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Ali Saidi + */ + +#ifndef __BASE_LOADER_RAW_OBJECT_HH__ +#define __BASE_LOADER_RAW_OBJECT_HH__ + +#include "base/loader/object_file.hh" + +class RawObject: public ObjectFile +{ + protected: + RawObject(const std::string &_filename, int _fd, size_t _len, + uint8_t *_data, Arch _arch, OpSys _opSys); + public: + virtual ~RawObject() {} + + virtual bool loadGlobalSymbols(SymbolTable *symtab); + virtual bool loadLocalSymbols(SymbolTable *symtab); + + static ObjectFile *tryFile(const std::string &fname, int fd, size_t len, + uint8_t *data); +}; + + + +#endif // __BASE_LOADER_RAW_OBJECT_HH__ diff --git a/src/base/pollevent.cc b/src/base/pollevent.cc index 2743cd95d..fd5b09d28 100644 --- a/src/base/pollevent.cc +++ b/src/base/pollevent.cc @@ -30,6 +30,9 @@ #include <sys/ioctl.h> #include <sys/types.h> +#if defined(__sun__) +#include <sys/file.h> +#endif #include <fcntl.h> #include <signal.h> diff --git a/src/base/random.cc b/src/base/random.cc index e135b55f5..82c9e3566 100644 --- a/src/base/random.cc +++ b/src/base/random.cc @@ -32,6 +32,10 @@ #include <cstdlib> #include <cmath> +#if defined(__sun__) +#include <ieeefp.h> +#endif + #include "sim/param.hh" #include "base/random.hh" #include "base/trace.hh" @@ -65,12 +69,27 @@ getLong() return mrand48(); } +double +m5round(double r) +{ +#if defined(__sun__) + double val; + fp_rnd oldrnd = fpsetround(FP_RN); + val = rint(r); + fpsetround(oldrnd); + return val; +#else + return round(r); +#endif +} + int64_t getUniform(int64_t min, int64_t max) { double r; r = drand48() * (max-min) + min; - return (int64_t)round(r); + + return (int64_t)m5round(r); } uint64_t @@ -78,7 +97,8 @@ getUniformPos(uint64_t min, uint64_t max) { double r; r = drand48() * (max-min) + min; - return (uint64_t)round(r); + + return (uint64_t)m5round(r); } diff --git a/src/base/random.hh b/src/base/random.hh index b5eb39f94..40d62da7f 100644 --- a/src/base/random.hh +++ b/src/base/random.hh @@ -36,6 +36,7 @@ long getLong(); double getDouble(); +double m5random(double r); uint64_t getUniformPos(uint64_t min, uint64_t max); int64_t getUniform(int64_t min, int64_t max); diff --git a/src/base/remote_gdb.cc b/src/base/remote_gdb.cc index e4efa31e3..55fb97ce9 100644 --- a/src/base/remote_gdb.cc +++ b/src/base/remote_gdb.cc @@ -123,7 +123,6 @@ #include "arch/vtophys.hh" #include "base/intmath.hh" -#include "base/kgdb.h" #include "base/remote_gdb.hh" #include "base/socket.hh" #include "base/trace.hh" @@ -138,18 +137,18 @@ using namespace std; using namespace TheISA; #ifndef NDEBUG -vector<RemoteGDB *> debuggers; -int current_debugger = -1; +vector<BaseRemoteGDB *> debuggers; void debugger() { + static int current_debugger = -1; if (current_debugger >= 0 && current_debugger < debuggers.size()) { - RemoteGDB *gdb = debuggers[current_debugger]; + BaseRemoteGDB *gdb = debuggers[current_debugger]; if (!gdb->isattached()) gdb->listener->accept(); if (gdb->isattached()) - gdb->trap(ALPHA_KENTRY_IF); + gdb->trap(SIGILL); } } #endif @@ -169,7 +168,7 @@ GDBListener::Event::process(int revent) listener->accept(); } -GDBListener::GDBListener(RemoteGDB *g, int p) +GDBListener::GDBListener(BaseRemoteGDB *g, int p) : event(NULL), gdb(g), port(p) { assert(!gdb->listener); @@ -229,55 +228,46 @@ GDBListener::accept() } } -/////////////////////////////////////////////////////////// -// -// -// -int digit2i(char); -char i2digit(int); -void mem2hex(void *, const void *, int); -const char *hex2mem(void *, const char *, int); -Addr hex2i(const char **); - -RemoteGDB::Event::Event(RemoteGDB *g, int fd, int e) +BaseRemoteGDB::Event::Event(BaseRemoteGDB *g, int fd, int e) : PollEvent(fd, e), gdb(g) {} void -RemoteGDB::Event::process(int revent) +BaseRemoteGDB::Event::process(int revent) { if (revent & POLLIN) - gdb->trap(ALPHA_KENTRY_IF); + gdb->trap(SIGILL); else if (revent & POLLNVAL) gdb->detach(); } -RemoteGDB::RemoteGDB(System *_system, ThreadContext *c) +BaseRemoteGDB::BaseRemoteGDB(System *_system, ThreadContext *c, size_t cacheSize) : event(NULL), listener(NULL), number(-1), fd(-1), active(false), attached(false), - system(_system), pmem(_system->physmem), context(c) + system(_system), pmem(_system->physmem), context(c), + gdbregs(cacheSize) { - memset(gdbregs, 0, sizeof(gdbregs)); + memset(gdbregs.regs, 0, gdbregs.bytes()); } -RemoteGDB::~RemoteGDB() +BaseRemoteGDB::~BaseRemoteGDB() { if (event) delete event; } string -RemoteGDB::name() +BaseRemoteGDB::name() { return system->name() + ".remote_gdb"; } bool -RemoteGDB::isattached() +BaseRemoteGDB::isattached() { return attached; } void -RemoteGDB::attach(int f) +BaseRemoteGDB::attach(int f) { fd = f; @@ -289,7 +279,7 @@ RemoteGDB::attach(int f) } void -RemoteGDB::detach() +BaseRemoteGDB::detach() { attached = false; close(fd); @@ -300,250 +290,50 @@ RemoteGDB::detach() } const char * -gdb_command(char cmd) +BaseRemoteGDB::gdb_command(char cmd) { switch (cmd) { - case KGDB_SIGNAL: return "KGDB_SIGNAL"; - case KGDB_SET_BAUD: return "KGDB_SET_BAUD"; - case KGDB_SET_BREAK: return "KGDB_SET_BREAK"; - case KGDB_CONT: return "KGDB_CONT"; - case KGDB_ASYNC_CONT: return "KGDB_ASYNC_CONT"; - case KGDB_DEBUG: return "KGDB_DEBUG"; - case KGDB_DETACH: return "KGDB_DETACH"; - case KGDB_REG_R: return "KGDB_REG_R"; - case KGDB_REG_W: return "KGDB_REG_W"; - case KGDB_SET_THREAD: return "KGDB_SET_THREAD"; - case KGDB_CYCLE_STEP: return "KGDB_CYCLE_STEP"; - case KGDB_SIG_CYCLE_STEP: return "KGDB_SIG_CYCLE_STEP"; - case KGDB_KILL: return "KGDB_KILL"; - case KGDB_MEM_W: return "KGDB_MEM_W"; - case KGDB_MEM_R: return "KGDB_MEM_R"; - case KGDB_SET_REG: return "KGDB_SET_REG"; - case KGDB_READ_REG: return "KGDB_READ_REG"; - case KGDB_QUERY_VAR: return "KGDB_QUERY_VAR"; - case KGDB_SET_VAR: return "KGDB_SET_VAR"; - case KGDB_RESET: return "KGDB_RESET"; - case KGDB_STEP: return "KGDB_STEP"; - case KGDB_ASYNC_STEP: return "KGDB_ASYNC_STEP"; - case KGDB_THREAD_ALIVE: return "KGDB_THREAD_ALIVE"; - case KGDB_TARGET_EXIT: return "KGDB_TARGET_EXIT"; - case KGDB_BINARY_DLOAD: return "KGDB_BINARY_DLOAD"; - case KGDB_CLR_HW_BKPT: return "KGDB_CLR_HW_BKPT"; - case KGDB_SET_HW_BKPT: return "KGDB_SET_HW_BKPT"; - case KGDB_START: return "KGDB_START"; - case KGDB_END: return "KGDB_END"; - case KGDB_GOODP: return "KGDB_GOODP"; - case KGDB_BADP: return "KGDB_BADP"; + case GDBSignal: return "KGDB_SIGNAL"; + case GDBSetBaud: return "KGDB_SET_BAUD"; + case GDBSetBreak: return "KGDB_SET_BREAK"; + case GDBCont: return "KGDB_CONT"; + case GDBAsyncCont: return "KGDB_ASYNC_CONT"; + case GDBDebug: return "KGDB_DEBUG"; + case GDBDetach: return "KGDB_DETACH"; + case GDBRegR: return "KGDB_REG_R"; + case GDBRegW: return "KGDB_REG_W"; + case GDBSetThread: return "KGDB_SET_THREAD"; + case GDBCycleStep: return "KGDB_CYCLE_STEP"; + case GDBSigCycleStep: return "KGDB_SIG_CYCLE_STEP"; + case GDBKill: return "KGDB_KILL"; + case GDBMemW: return "KGDB_MEM_W"; + case GDBMemR: return "KGDB_MEM_R"; + case GDBSetReg: return "KGDB_SET_REG"; + case GDBReadReg: return "KGDB_READ_REG"; + case GDBQueryVar: return "KGDB_QUERY_VAR"; + case GDBSetVar: return "KGDB_SET_VAR"; + case GDBReset: return "KGDB_RESET"; + case GDBStep: return "KGDB_STEP"; + case GDBAsyncStep: return "KGDB_ASYNC_STEP"; + case GDBThreadAlive: return "KGDB_THREAD_ALIVE"; + case GDBTargetExit: return "KGDB_TARGET_EXIT"; + case GDBBinaryDload: return "KGDB_BINARY_DLOAD"; + case GDBClrHwBkpt: return "KGDB_CLR_HW_BKPT"; + case GDBSetHwBkpt: return "KGDB_SET_HW_BKPT"; + case GDBStart: return "KGDB_START"; + case GDBEnd: return "KGDB_END"; + case GDBGoodP: return "KGDB_GOODP"; + case GDBBadP: return "KGDB_BADP"; default: return "KGDB_UNKNOWN"; } } -/////////////////////////////////////////////////////////// -// RemoteGDB::acc -// -// Determine if the mapping at va..(va+len) is valid. -// -bool -RemoteGDB::acc(Addr va, size_t len) -{ - Addr last_va; - - va = TheISA::TruncPage(va); - last_va = TheISA::RoundPage(va + len); - - do { - if (TheISA::IsK0Seg(va)) { - if (va < (TheISA::K0SegBase + pmem->size())) { - DPRINTF(GDBAcc, "acc: Mapping is valid K0SEG <= " - "%#x < K0SEG + size\n", va); - return true; - } else { - DPRINTF(GDBAcc, "acc: Mapping invalid %#x > K0SEG + size\n", - va); - return false; - } - } - - /** - * This code says that all accesses to palcode (instruction and data) - * are valid since there isn't a va->pa mapping because palcode is - * accessed physically. At some point this should probably be cleaned up - * but there is no easy way to do it. - */ - - if (AlphaISA::PcPAL(va) || va < 0x10000) - return true; - - Addr ptbr = context->readMiscReg(AlphaISA::IPR_PALtemp20); - TheISA::PageTableEntry pte = TheISA::kernel_pte_lookup(context->getPhysPort(), ptbr, va); - if (!pte.valid()) { - DPRINTF(GDBAcc, "acc: %#x pte is invalid\n", va); - return false; - } - va += TheISA::PageBytes; - } while (va < last_va); - - DPRINTF(GDBAcc, "acc: %#x mapping is valid\n", va); - return true; -} - -/////////////////////////////////////////////////////////// -// RemoteGDB::signal -// -// Translate a trap number into a Unix-compatible signal number. -// (GDB only understands Unix signal numbers.) -// -int -RemoteGDB::signal(int type) -{ - switch (type) { - case ALPHA_KENTRY_INT: - return (SIGTRAP); - - case ALPHA_KENTRY_UNA: - return (SIGBUS); - - case ALPHA_KENTRY_ARITH: - return (SIGFPE); - - case ALPHA_KENTRY_IF: - return (SIGILL); - - case ALPHA_KENTRY_MM: - return (SIGSEGV); - - default: - panic("unknown signal type"); - return 0; - } -} - -/////////////////////////////////////////////////////////// -// RemoteGDB::getregs -// -// Translate the kernel debugger register format into -// the GDB register format. -void -RemoteGDB::getregs() -{ - memset(gdbregs, 0, sizeof(gdbregs)); - - gdbregs[KGDB_REG_PC] = context->readPC(); - - // @todo: Currently this is very Alpha specific. - if (AlphaISA::PcPAL(gdbregs[KGDB_REG_PC])) { - for (int i = 0; i < TheISA::NumIntArchRegs; ++i) { - gdbregs[i] = context->readIntReg(AlphaISA::reg_redir[i]); - } - } else { - for (int i = 0; i < TheISA::NumIntArchRegs; ++i) { - gdbregs[i] = context->readIntReg(i); - } - } - -#ifdef KGDB_FP_REGS - for (int i = 0; i < TheISA::NumFloatArchRegs; ++i) { - gdbregs[i + KGDB_REG_F0] = context->readFloatRegBits(i); - } -#endif -} - -/////////////////////////////////////////////////////////// -// RemoteGDB::setregs -// -// Translate the GDB register format into the kernel -// debugger register format. -// -void -RemoteGDB::setregs() -{ - // @todo: Currently this is very Alpha specific. - if (AlphaISA::PcPAL(gdbregs[KGDB_REG_PC])) { - for (int i = 0; i < TheISA::NumIntArchRegs; ++i) { - context->setIntReg(AlphaISA::reg_redir[i], gdbregs[i]); - } - } else { - for (int i = 0; i < TheISA::NumIntArchRegs; ++i) { - context->setIntReg(i, gdbregs[i]); - } - } - -#ifdef KGDB_FP_REGS - for (int i = 0; i < TheISA::NumFloatArchRegs; ++i) { - context->setFloatRegBits(i, gdbregs[i + KGDB_REG_F0]); - } -#endif - context->setPC(gdbregs[KGDB_REG_PC]); -} - -void -RemoteGDB::setTempBreakpoint(TempBreakpoint &bkpt, Addr addr) -{ - DPRINTF(GDBMisc, "setTempBreakpoint: addr=%#x\n", addr); - - bkpt.address = addr; - insertHardBreak(addr, 4); -} - -void -RemoteGDB::clearTempBreakpoint(TempBreakpoint &bkpt) -{ - DPRINTF(GDBMisc, "setTempBreakpoint: addr=%#x\n", - bkpt.address); - - - removeHardBreak(bkpt.address, 4); - bkpt.address = 0; -} - -void -RemoteGDB::clearSingleStep() -{ - DPRINTF(GDBMisc, "clearSingleStep bt_addr=%#x nt_addr=%#x\n", - takenBkpt.address, notTakenBkpt.address); - - if (takenBkpt.address != 0) - clearTempBreakpoint(takenBkpt); - - if (notTakenBkpt.address != 0) - clearTempBreakpoint(notTakenBkpt); -} - -void -RemoteGDB::setSingleStep() -{ - Addr pc = context->readPC(); - Addr npc, bpc; - bool set_bt = false; - - npc = pc + sizeof(MachInst); - - // User was stopped at pc, e.g. the instruction at pc was not - // executed. - MachInst inst = read<MachInst>(pc); - StaticInstPtr si(inst); - if (si->hasBranchTarget(pc, context, bpc)) { - // Don't bother setting a breakpoint on the taken branch if it - // is the same as the next pc - if (bpc != npc) - set_bt = true; - } - - DPRINTF(GDBMisc, "setSingleStep bt_addr=%#x nt_addr=%#x\n", - takenBkpt.address, notTakenBkpt.address); - - setTempBreakpoint(notTakenBkpt, npc); - - if (set_bt) - setTempBreakpoint(takenBkpt, bpc); -} - ///////////////////////// // // uint8_t -RemoteGDB::getbyte() +BaseRemoteGDB::getbyte() { uint8_t b; ::read(fd, &b, 1); @@ -551,14 +341,14 @@ RemoteGDB::getbyte() } void -RemoteGDB::putbyte(uint8_t b) +BaseRemoteGDB::putbyte(uint8_t b) { ::write(fd, &b, 1); } // Send a packet to gdb void -RemoteGDB::send(const char *bp) +BaseRemoteGDB::send(const char *bp) { const char *p; uint8_t csum, c; @@ -567,20 +357,26 @@ RemoteGDB::send(const char *bp) do { p = bp; - putbyte(KGDB_START); + //Start sending a packet + putbyte(GDBStart); + //Send the contents, and also keep a check sum. for (csum = 0; (c = *p); p++) { putbyte(c); csum += c; } - putbyte(KGDB_END); + //Send the ending character. + putbyte(GDBEnd); + //Sent the checksum. putbyte(i2digit(csum >> 4)); putbyte(i2digit(csum)); - } while ((c = getbyte() & 0x7f) == KGDB_BADP); + //Try transmitting over and over again until the other end doesn't send an + //error back. + } while ((c = getbyte() & 0x7f) == GDBBadP); } // Receive a packet from gdb int -RemoteGDB::recv(char *bp, int maxlen) +BaseRemoteGDB::recv(char *bp, int maxlen) { char *p; int c, csum; @@ -589,28 +385,37 @@ RemoteGDB::recv(char *bp, int maxlen) do { p = bp; csum = len = 0; - while ((c = getbyte()) != KGDB_START) + //Find the beginning of a packet + while ((c = getbyte()) != GDBStart) ; - while ((c = getbyte()) != KGDB_END && len < maxlen) { + //Read until you find the end of the data in the packet, and keep + //track of the check sum. + while ((c = getbyte()) != GDBEnd && len < maxlen) { c &= 0x7f; csum += c; *p++ = c; len++; } + + //Mask the check sum, and terminate the command string. csum &= 0xff; *p = '\0'; + //If the command was too long, report an error. if (len >= maxlen) { - putbyte(KGDB_BADP); + putbyte(GDBBadP); continue; } + //Bring in the checksum. If the check sum matches, csum will be 0. csum -= digit2i(getbyte()) * 16; csum -= digit2i(getbyte()); + //If the check sum was correct if (csum == 0) { - putbyte(KGDB_GOODP); + //Report that the packet was received correctly + putbyte(GDBGoodP); // Sequence present? if (bp[2] == ':') { putbyte(bp[0]); @@ -620,7 +425,8 @@ RemoteGDB::recv(char *bp, int maxlen) } break; } - putbyte(KGDB_BADP); + //Otherwise, report that there was a mistake. + putbyte(GDBBadP); } while (1); DPRINTF(GDBRecv, "recv: %s: %s\n", gdb_command(*bp), bp); @@ -630,7 +436,7 @@ RemoteGDB::recv(char *bp, int maxlen) // Read bytes from kernel address space for debugger. bool -RemoteGDB::read(Addr vaddr, size_t size, char *data) +BaseRemoteGDB::read(Addr vaddr, size_t size, char *data) { static Addr lastaddr = 0; static size_t lastsize = 0; @@ -662,7 +468,7 @@ RemoteGDB::read(Addr vaddr, size_t size, char *data) // Write bytes to kernel address space for debugger. bool -RemoteGDB::write(Addr vaddr, size_t size, const char *data) +BaseRemoteGDB::write(Addr vaddr, size_t size, const char *data) { static Addr lastaddr = 0; static size_t lastsize = 0; @@ -685,21 +491,15 @@ RemoteGDB::write(Addr vaddr, size_t size, const char *data) vp->writeBlob(vaddr, (uint8_t*)data, size); context->delVirtPort(vp); -#ifdef IMB - alpha_pal_imb(); -#endif - return true; } - -PCEventQueue *RemoteGDB::getPcEventQueue() +PCEventQueue *BaseRemoteGDB::getPcEventQueue() { return &system->pcEventQueue; } - -RemoteGDB::HardBreakpoint::HardBreakpoint(RemoteGDB *_gdb, Addr pc) +BaseRemoteGDB::HardBreakpoint::HardBreakpoint(BaseRemoteGDB *_gdb, Addr pc) : PCEvent(_gdb->getPcEventQueue(), "HardBreakpoint Event", pc), gdb(_gdb), refcount(0) { @@ -707,25 +507,25 @@ RemoteGDB::HardBreakpoint::HardBreakpoint(RemoteGDB *_gdb, Addr pc) } void -RemoteGDB::HardBreakpoint::process(ThreadContext *tc) +BaseRemoteGDB::HardBreakpoint::process(ThreadContext *tc) { DPRINTF(GDBMisc, "handling hardware breakpoint at %#x\n", pc()); if (tc == gdb->context) - gdb->trap(ALPHA_KENTRY_INT); + gdb->trap(SIGTRAP); } bool -RemoteGDB::insertSoftBreak(Addr addr, size_t len) +BaseRemoteGDB::insertSoftBreak(Addr addr, size_t len) { - if (len != sizeof(MachInst)) + if (len != sizeof(TheISA::MachInst)) panic("invalid length\n"); return insertHardBreak(addr, len); } bool -RemoteGDB::removeSoftBreak(Addr addr, size_t len) +BaseRemoteGDB::removeSoftBreak(Addr addr, size_t len) { if (len != sizeof(MachInst)) panic("invalid length\n"); @@ -734,7 +534,7 @@ RemoteGDB::removeSoftBreak(Addr addr, size_t len) } bool -RemoteGDB::insertHardBreak(Addr addr, size_t len) +BaseRemoteGDB::insertHardBreak(Addr addr, size_t len) { if (len != sizeof(MachInst)) panic("invalid length\n"); @@ -751,7 +551,7 @@ RemoteGDB::insertHardBreak(Addr addr, size_t len) } bool -RemoteGDB::removeHardBreak(Addr addr, size_t len) +BaseRemoteGDB::removeHardBreak(Addr addr, size_t len) { if (len != sizeof(MachInst)) panic("invalid length\n"); @@ -771,8 +571,23 @@ RemoteGDB::removeHardBreak(Addr addr, size_t len) return true; } +void +BaseRemoteGDB::setTempBreakpoint(Addr bkpt) +{ + DPRINTF(GDBMisc, "setTempBreakpoint: addr=%#x\n", bkpt); + insertHardBreak(bkpt, sizeof(TheISA::MachInst)); +} + +void +BaseRemoteGDB::clearTempBreakpoint(Addr &bkpt) +{ + DPRINTF(GDBMisc, "setTempBreakpoint: addr=%#x\n", bkpt); + removeHardBreak(bkpt, sizeof(TheISA::MachInst)); + bkpt = 0; +} + const char * -break_type(char c) +BaseRemoteGDB::break_type(char c) { switch(c) { case '0': return "software breakpoint"; @@ -790,12 +605,12 @@ break_type(char c) // makes sense to use POSIX errno values, because that is what the // gdb/remote.c functions want to return. bool -RemoteGDB::trap(int type) +BaseRemoteGDB::trap(int type) { uint64_t val; size_t datalen, len; - char data[KGDB_BUFLEN + 1]; - char buffer[sizeof(gdbregs) * 2 + 256]; + char data[GDBPacketBufLen + 1]; + char buffer[gdbregs.bytes() * 2 + 256]; const char *p; char command, subcmd; string var; @@ -823,7 +638,7 @@ RemoteGDB::trap(int type) active = true; else // Tell remote host that an exception has occurred. - snprintf((char *)buffer, sizeof(buffer), "S%02x", signal(type)); + snprintf((char *)buffer, sizeof(buffer), "S%02x", type); send(buffer); // Stick frame regs into our reg cache. @@ -837,24 +652,25 @@ RemoteGDB::trap(int type) p = data + 1; switch (command) { - case KGDB_SIGNAL: + case GDBSignal: // if this command came from a running gdb, answer it -- // the other guy has no way of knowing if we're in or out // of this loop when he issues a "remote-signal". - snprintf((char *)buffer, sizeof(buffer), "S%02x", signal(type)); + snprintf((char *)buffer, sizeof(buffer), + "S%02x", type); send(buffer); continue; - case KGDB_REG_R: - if (2 * sizeof(gdbregs) > sizeof(buffer)) + case GDBRegR: + if (2 * gdbregs.bytes() > sizeof(buffer)) panic("buffer too small"); - mem2hex(buffer, gdbregs, sizeof(gdbregs)); + mem2hex(buffer, gdbregs.regs, gdbregs.bytes()); send(buffer); continue; - case KGDB_REG_W: - p = hex2mem(gdbregs, p, sizeof(gdbregs)); + case GDBRegW: + p = hex2mem(gdbregs.regs, p, gdbregs.bytes()); if (p == NULL || *p != '\0') send("E01"); else { @@ -864,7 +680,7 @@ RemoteGDB::trap(int type) continue; #if 0 - case KGDB_SET_REG: + case GDBSetReg: val = hex2i(&p); if (*p++ != '=') { send("E01"); @@ -875,14 +691,14 @@ RemoteGDB::trap(int type) continue; } - gdbregs[val] = hex2i(&p); + gdbregs.regs[val] = hex2i(&p); setregs(); send("OK"); continue; #endif - case KGDB_MEM_R: + case GDBMemR: val = hex2i(&p); if (*p++ != ',') { send("E02"); @@ -914,7 +730,7 @@ RemoteGDB::trap(int type) } continue; - case KGDB_MEM_W: + case GDBMemW: val = hex2i(&p); if (*p++ != ',') { send("E06"); @@ -944,7 +760,7 @@ RemoteGDB::trap(int type) send("E0B"); continue; - case KGDB_SET_THREAD: + case GDBSetThread: subcmd = *p++; val = hex2i(&p); if (val == 0) @@ -953,14 +769,14 @@ RemoteGDB::trap(int type) send("E01"); continue; - case KGDB_DETACH: - case KGDB_KILL: + case GDBDetach: + case GDBKill: active = false; clearSingleStep(); detach(); goto out; - case KGDB_ASYNC_CONT: + case GDBAsyncCont: subcmd = hex2i(&p); if (*p++ == ';') { val = hex2i(&p); @@ -970,7 +786,7 @@ RemoteGDB::trap(int type) clearSingleStep(); goto out; - case KGDB_CONT: + case GDBCont: if (p - data < datalen) { val = hex2i(&p); context->setPC(val); @@ -979,7 +795,7 @@ RemoteGDB::trap(int type) clearSingleStep(); goto out; - case KGDB_ASYNC_STEP: + case GDBAsyncStep: subcmd = hex2i(&p); if (*p++ == ';') { val = hex2i(&p); @@ -989,7 +805,7 @@ RemoteGDB::trap(int type) setSingleStep(); goto out; - case KGDB_STEP: + case GDBStep: if (p - data < datalen) { val = hex2i(&p); context->setPC(val); @@ -998,7 +814,7 @@ RemoteGDB::trap(int type) setSingleStep(); goto out; - case KGDB_CLR_HW_BKPT: + case GDBClrHwBkpt: subcmd = *p++; if (*p++ != ',') send("E0D"); val = hex2i(&p); @@ -1030,7 +846,7 @@ RemoteGDB::trap(int type) send(ret ? "OK" : "E0C"); continue; - case KGDB_SET_HW_BKPT: + case GDBSetHwBkpt: subcmd = *p++; if (*p++ != ',') send("E0D"); val = hex2i(&p); @@ -1062,7 +878,7 @@ RemoteGDB::trap(int type) send(ret ? "OK" : "E0C"); continue; - case KGDB_QUERY_VAR: + case GDBQueryVar: var = string(p, datalen - 1); if (var == "C") send("QC0"); @@ -1070,17 +886,17 @@ RemoteGDB::trap(int type) send(""); continue; - case KGDB_SET_BAUD: - case KGDB_SET_BREAK: - case KGDB_DEBUG: - case KGDB_CYCLE_STEP: - case KGDB_SIG_CYCLE_STEP: - case KGDB_READ_REG: - case KGDB_SET_VAR: - case KGDB_RESET: - case KGDB_THREAD_ALIVE: - case KGDB_TARGET_EXIT: - case KGDB_BINARY_DLOAD: + case GDBSetBaud: + case GDBSetBreak: + case GDBDebug: + case GDBCycleStep: + case GDBSigCycleStep: + case GDBReadReg: + case GDBSetVar: + case GDBReset: + case GDBThreadAlive: + case GDBTargetExit: + case GDBBinaryDload: // Unsupported command DPRINTF(GDBMisc, "Unsupported command: %s\n", gdb_command(command)); @@ -1106,7 +922,7 @@ RemoteGDB::trap(int type) // Convert a hex digit into an integer. // This returns -1 if the argument passed is no valid hex digit. int -digit2i(char c) +BaseRemoteGDB::digit2i(char c) { if (c >= '0' && c <= '9') return (c - '0'); @@ -1121,14 +937,14 @@ digit2i(char c) // Convert the low 4 bits of an integer into an hex digit. char -i2digit(int n) +BaseRemoteGDB::i2digit(int n) { return ("0123456789abcdef"[n & 0x0f]); } // Convert a byte array into an hex string. void -mem2hex(void *vdst, const void *vsrc, int len) +BaseRemoteGDB::mem2hex(void *vdst, const void *vsrc, int len) { char *dst = (char *)vdst; const char *src = (const char *)vsrc; @@ -1145,7 +961,7 @@ mem2hex(void *vdst, const void *vsrc, int len) // hex digit. If the string ends in the middle of a byte, NULL is // returned. const char * -hex2mem(void *vdst, const char *src, int maxlen) +BaseRemoteGDB::hex2mem(void *vdst, const char *src, int maxlen) { char *dst = (char *)vdst; int msb, lsb; @@ -1166,7 +982,7 @@ hex2mem(void *vdst, const char *src, int maxlen) // This returns a pointer to the character following the last valid // hex digit. Addr -hex2i(const char **srcp) +BaseRemoteGDB::hex2i(const char **srcp) { const char *src = *srcp; Addr r = 0; diff --git a/src/base/remote_gdb.hh b/src/base/remote_gdb.hh index 8c3ce7572..9a3201c95 100644 --- a/src/base/remote_gdb.hh +++ b/src/base/remote_gdb.hh @@ -34,7 +34,6 @@ #include <map> #include "arch/types.hh" -#include "base/kgdb.h" #include "cpu/pc_event.hh" #include "base/pollevent.hh" #include "base/socket.hh" @@ -44,22 +43,72 @@ class ThreadContext; class PhysicalMemory; class GDBListener; -class RemoteGDB + +enum GDBCommands +{ + GDBSignal = '?', // last signal + GDBSetBaud = 'b', // set baud (depracated) + GDBSetBreak = 'B', // set breakpoint (depracated) + GDBCont = 'c', // resume + GDBAsyncCont = 'C', // continue with signal + GDBDebug = 'd', // toggle debug flags (deprecated) + GDBDetach = 'D', // detach remote gdb + GDBRegR = 'g', // read general registers + GDBRegW = 'G', // write general registers + GDBSetThread = 'H', // set thread + GDBCycleStep = 'i', // step a single cycle + GDBSigCycleStep = 'I', // signal then cycle step + GDBKill = 'k', // kill program + GDBMemR = 'm', // read memory + GDBMemW = 'M', // write memory + GDBReadReg = 'p', // read register + GDBSetReg = 'P', // write register + GDBQueryVar = 'q', // query variable + GDBSetVar = 'Q', // set variable + GDBReset = 'r', // reset system. (Deprecated) + GDBStep = 's', // step + GDBAsyncStep = 'S', // signal and step + GDBThreadAlive = 'T', // find out if the thread is alive + GDBTargetExit = 'W', // target exited + GDBBinaryDload = 'X', // write memory + GDBClrHwBkpt = 'z', // remove breakpoint or watchpoint + GDBSetHwBkpt = 'Z' // insert breakpoint or watchpoint +}; + +const char GDBStart = '$'; +const char GDBEnd = '#'; +const char GDBGoodP = '+'; +const char GDBBadP = '-'; + +const int GDBPacketBufLen = 1024; + +class BaseRemoteGDB { - protected: - typedef TheISA::MachInst MachInst; private: friend void debugger(); friend class GDBListener; + //Helper functions + protected: + int digit2i(char); + char i2digit(int); + Addr hex2i(const char **); + //Address formats, break types, and gdb commands may change + //between architectures, so they're defined as virtual + //functions. + virtual void mem2hex(void *, const void *, int); + virtual const char * hex2mem(void *, const char *, int); + virtual const char * break_type(char c); + virtual const char * gdb_command(char cmd); + protected: class Event : public PollEvent { protected: - RemoteGDB *gdb; + BaseRemoteGDB *gdb; public: - Event(RemoteGDB *g, int fd, int e); + Event(BaseRemoteGDB *g, int fd, int e); void process(int revent); }; @@ -69,8 +118,8 @@ class RemoteGDB int number; protected: + //The socket commands come in through int fd; - uint64_t gdbregs[KGDB_NUMREGS]; protected: #ifdef notyet @@ -84,6 +133,24 @@ class RemoteGDB ThreadContext *context; protected: + class GdbRegCache + { + public: + GdbRegCache(size_t newSize) : regs(new uint64_t[newSize]), size(newSize) + {} + ~GdbRegCache() + { + delete [] regs; + } + + uint64_t * regs; + size_t size; + size_t bytes() { return size * sizeof(uint64_t); } + }; + + GdbRegCache gdbregs; + + protected: uint8_t getbyte(); void putbyte(uint8_t b); @@ -92,15 +159,15 @@ class RemoteGDB protected: // Machine memory - bool read(Addr addr, size_t size, char *data); - bool write(Addr addr, size_t size, const char *data); + virtual bool read(Addr addr, size_t size, char *data); + virtual bool write(Addr addr, size_t size, const char *data); template <class T> T read(Addr addr); template <class T> void write(Addr addr, T data); public: - RemoteGDB(System *system, ThreadContext *context); - ~RemoteGDB(); + BaseRemoteGDB(System *system, ThreadContext *context, size_t cacheSize); + virtual ~BaseRemoteGDB(); void replaceThreadContext(ThreadContext *tc) { context = tc; } @@ -108,16 +175,15 @@ class RemoteGDB void detach(); bool isattached(); - bool acc(Addr addr, size_t len); - static int signal(int type); + virtual bool acc(Addr addr, size_t len) = 0; bool trap(int type); protected: - void getregs(); - void setregs(); + virtual void getregs() = 0; + virtual void setregs() = 0; - void clearSingleStep(); - void setSingleStep(); + virtual void clearSingleStep() = 0; + virtual void setSingleStep() = 0; PCEventQueue *getPcEventQueue(); @@ -125,13 +191,13 @@ class RemoteGDB class HardBreakpoint : public PCEvent { private: - RemoteGDB *gdb; + BaseRemoteGDB *gdb; public: int refcount; public: - HardBreakpoint(RemoteGDB *_gdb, Addr addr); + HardBreakpoint(BaseRemoteGDB *_gdb, Addr addr); std::string name() { return gdb->name() + ".hwbkpt"; } virtual void process(ThreadContext *tc); @@ -148,18 +214,8 @@ class RemoteGDB bool removeHardBreak(Addr addr, size_t len); protected: - struct TempBreakpoint { - Addr address; // set here - MachInst bkpt_inst; // saved instruction at bkpt - int init_count; // number of times to skip bkpt - int count; // current count - }; - - TempBreakpoint notTakenBkpt; - TempBreakpoint takenBkpt; - - void clearTempBreakpoint(TempBreakpoint &bkpt); - void setTempBreakpoint(TempBreakpoint &bkpt, Addr addr); + void clearTempBreakpoint(Addr &bkpt); + void setTempBreakpoint(Addr bkpt); public: std::string name(); @@ -167,7 +223,7 @@ class RemoteGDB template <class T> inline T -RemoteGDB::read(Addr addr) +BaseRemoteGDB::read(Addr addr) { T temp; read(addr, sizeof(T), (char *)&temp); @@ -176,7 +232,7 @@ RemoteGDB::read(Addr addr) template <class T> inline void -RemoteGDB::write(Addr addr, T data) +BaseRemoteGDB::write(Addr addr, T data) { write(addr, sizeof(T), (const char *)&data); } class GDBListener @@ -197,11 +253,11 @@ class GDBListener protected: ListenSocket listener; - RemoteGDB *gdb; + BaseRemoteGDB *gdb; int port; public: - GDBListener(RemoteGDB *g, int p); + GDBListener(BaseRemoteGDB *g, int p); ~GDBListener(); void accept(); diff --git a/src/base/statistics.hh b/src/base/statistics.hh index 59f219c07..577ea5eab 100644 --- a/src/base/statistics.hh +++ b/src/base/statistics.hh @@ -696,7 +696,7 @@ class ScalarBase : public DataAccess protected: /** The storage of this stat. */ - char storage[sizeof(Storage)]; + char storage[sizeof(Storage)] __attribute__ ((aligned (8))); /** The parameters for this stat. */ Params params; @@ -1637,7 +1637,7 @@ class DistBase : public DataAccess protected: /** The storage for this stat. */ - char storage[sizeof(Storage)]; + char storage[sizeof(Storage)] __attribute__ ((aligned (8))); /** The parameters for this stat. */ Params params; diff --git a/src/base/stats/flags.hh b/src/base/stats/flags.hh index ada1a4a87..69f73f66a 100644 --- a/src/base/stats/flags.hh +++ b/src/base/stats/flags.hh @@ -36,7 +36,7 @@ namespace Stats { * Define the storage for format flags. * @todo Can probably shrink this. */ -typedef u_int32_t StatFlags; +typedef uint32_t StatFlags; /** Nothing extra to print. */ const StatFlags none = 0x00000000; diff --git a/src/base/time.hh b/src/base/time.hh index 24e8a8a53..7aa4c50db 100644 --- a/src/base/time.hh +++ b/src/base/time.hh @@ -65,4 +65,48 @@ Time operator-(const Time &l, const Time &r); std::ostream &operator<<(std::ostream &out, const Time &time); + +/* + * Copyright (c) 1982, 1986, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)time.h 8.2 (Berkeley) 7/10/94 + */ + +#if defined(__sun__) +#define timersub(tvp, uvp, vvp) \ + do { \ + (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ + (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ + if ((vvp)->tv_usec < 0) { \ + (vvp)->tv_sec--; \ + (vvp)->tv_usec += 1000000; \ + } \ + } while (0) +#endif + #endif // __SIM_TIME_HH__ diff --git a/src/cpu/base.cc b/src/cpu/base.cc index ea4b03bf2..4c243a2e9 100644 --- a/src/cpu/base.cc +++ b/src/cpu/base.cc @@ -168,11 +168,6 @@ BaseCPU::BaseCPU(Params *p) p->max_loads_all_threads, *counter); } -#if FULL_SYSTEM - memset(interrupts, 0, sizeof(interrupts)); - intstatus = 0; -#endif - functionTracingEnabled = false; if (p->functionTrace) { functionTraceStream = simout.find(csprintf("ftrace.%s", name())); @@ -259,6 +254,26 @@ BaseCPU::regStats() #endif } +Tick +BaseCPU::nextCycle() +{ + Tick next_tick = curTick + clock - 1; + next_tick -= (next_tick % clock); + return next_tick; +} + +Tick +BaseCPU::nextCycle(Tick begin_tick) +{ + Tick next_tick = begin_tick; + + while (next_tick < curTick) + next_tick += clock; + + next_tick -= (next_tick % clock); + assert(next_tick >= curTick); + return next_tick; +} void BaseCPU::registerThreadContexts() @@ -314,9 +329,7 @@ BaseCPU::takeOverFrom(BaseCPU *oldCPU) } #if FULL_SYSTEM - for (int i = 0; i < TheISA::NumInterruptLevels; ++i) - interrupts[i] = oldCPU->interrupts[i]; - intstatus = oldCPU->intstatus; + interrupts = oldCPU->interrupts; checkInterrupts = oldCPU->checkInterrupts; for (int i = 0; i < threadContexts.size(); ++i) @@ -348,57 +361,33 @@ BaseCPU::ProfileEvent::process() void BaseCPU::post_interrupt(int int_num, int index) { - DPRINTF(Interrupt, "Interrupt %d:%d posted\n", int_num, index); - - if (int_num < 0 || int_num >= TheISA::NumInterruptLevels) - panic("int_num out of bounds\n"); - - if (index < 0 || index >= sizeof(uint64_t) * 8) - panic("int_num out of bounds\n"); - checkInterrupts = true; - interrupts[int_num] |= 1 << index; - intstatus |= (ULL(1) << int_num); + interrupts.post(int_num, index); } void BaseCPU::clear_interrupt(int int_num, int index) { - DPRINTF(Interrupt, "Interrupt %d:%d cleared\n", int_num, index); - - if (int_num < 0 || int_num >= TheISA::NumInterruptLevels) - panic("int_num out of bounds\n"); - - if (index < 0 || index >= sizeof(uint64_t) * 8) - panic("int_num out of bounds\n"); - - interrupts[int_num] &= ~(1 << index); - if (interrupts[int_num] == 0) - intstatus &= ~(ULL(1) << int_num); + interrupts.clear(int_num, index); } void BaseCPU::clear_interrupts() { - DPRINTF(Interrupt, "Interrupts all cleared\n"); - - memset(interrupts, 0, sizeof(interrupts)); - intstatus = 0; + interrupts.clear_all(); } void BaseCPU::serialize(std::ostream &os) { - SERIALIZE_ARRAY(interrupts, TheISA::NumInterruptLevels); - SERIALIZE_SCALAR(intstatus); + interrupts.serialize(os); } void BaseCPU::unserialize(Checkpoint *cp, const std::string §ion) { - UNSERIALIZE_ARRAY(interrupts, TheISA::NumInterruptLevels); - UNSERIALIZE_SCALAR(intstatus); + interrupts.unserialize(cp, section); } #endif // FULL_SYSTEM diff --git a/src/cpu/base.hh b/src/cpu/base.hh index 75e0d86af..9257778ef 100644 --- a/src/cpu/base.hh +++ b/src/cpu/base.hh @@ -40,6 +40,10 @@ #include "mem/mem_object.hh" #include "arch/isa_traits.hh" +#if FULL_SYSTEM +#include "arch/interrupts.hh" +#endif + class BranchPred; class CheckerCPU; class ThreadContext; @@ -73,10 +77,25 @@ class BaseCPU : public MemObject inline Tick cycles(int numCycles) const { return clock * numCycles; } inline Tick curCycle() const { return curTick / clock; } + /** The next cycle the CPU should be scheduled, given a cache + * access or quiesce event returning on this cycle. This function + * may return curTick if the CPU should run on the current cycle. + */ + Tick nextCycle(); + + /** The next cycle the CPU should be scheduled, given a cache + * access or quiesce event returning on the given Tick. This + * function may return curTick if the CPU should run on the + * current cycle. + * @param begin_tick The tick that the event is completing on. + */ + Tick nextCycle(Tick begin_tick); + #if FULL_SYSTEM protected: - uint64_t interrupts[TheISA::NumInterruptLevels]; - uint64_t intstatus; +// uint64_t interrupts[TheISA::NumInterruptLevels]; +// uint64_t intstatus; + TheISA::Interrupts interrupts; public: virtual void post_interrupt(int int_num, int index); @@ -84,15 +103,8 @@ class BaseCPU : public MemObject virtual void clear_interrupts(); bool checkInterrupts; - bool check_interrupt(int int_num) const { - if (int_num > TheISA::NumInterruptLevels) - panic("int_num out of bounds\n"); - - return interrupts[int_num] != 0; - } - - bool check_interrupts() const { return intstatus != 0; } - uint64_t intr_status() const { return intstatus; } + bool check_interrupts(ThreadContext * tc) const + { return interrupts.check_interrupts(tc); } class ProfileEvent : public Event { diff --git a/src/cpu/checker/cpu.cc b/src/cpu/checker/cpu.cc index 9cb6b032e..d6cd9409b 100644 --- a/src/cpu/checker/cpu.cc +++ b/src/cpu/checker/cpu.cc @@ -38,8 +38,8 @@ #include "cpu/thread_context.hh" #if FULL_SYSTEM +#include "arch/kernel_stats.hh" #include "arch/vtophys.hh" -#include "kern/kernel_stats.hh" #endif // FULL_SYSTEM using namespace std; @@ -72,6 +72,12 @@ CheckerCPU::CheckerCPU(Params *p) systemPtr = NULL; #else process = p->process; + thread = new SimpleThread(this, /* thread_num */ 0, process, + /* asid */ 0); + + thread->setStatus(ThreadContext::Suspended); + tc = thread->getTC(); + threadContexts.push_back(tc); #endif result.integer = 0; @@ -82,20 +88,6 @@ CheckerCPU::~CheckerCPU() } void -CheckerCPU::setMemory(MemObject *mem) -{ -#if !FULL_SYSTEM - memPtr = mem; - thread = new SimpleThread(this, /* thread_num */ 0, process, - /* asid */ 0, mem); - - thread->setStatus(ThreadContext::Suspended); - tc = thread->getTC(); - threadContexts.push_back(tc); -#endif -} - -void CheckerCPU::setSystem(System *system) { #if FULL_SYSTEM diff --git a/src/cpu/checker/cpu.hh b/src/cpu/checker/cpu.hh index 00b01171f..9be54529f 100644 --- a/src/cpu/checker/cpu.hh +++ b/src/cpu/checker/cpu.hh @@ -47,9 +47,12 @@ // forward declarations #if FULL_SYSTEM +namespace TheISA +{ + class ITB; + class DTB; +} class Processor; -class AlphaITB; -class AlphaDTB; class PhysicalMemory; class RemoteGDB; @@ -96,8 +99,8 @@ class CheckerCPU : public BaseCPU struct Params : public BaseCPU::Params { #if FULL_SYSTEM - AlphaITB *itb; - AlphaDTB *dtb; + TheISA::ITB *itb; + TheISA::DTB *dtb; #else Process *process; #endif @@ -112,10 +115,6 @@ class CheckerCPU : public BaseCPU Process *process; - void setMemory(MemObject *mem); - - MemObject *memPtr; - void setSystem(System *system); System *systemPtr; @@ -140,8 +139,8 @@ class CheckerCPU : public BaseCPU ThreadContext *tc; - AlphaITB *itb; - AlphaDTB *dtb; + TheISA::ITB *itb; + TheISA::DTB *dtb; #if FULL_SYSTEM Addr dbg_vtophys(Addr addr); @@ -301,19 +300,19 @@ class CheckerCPU : public BaseCPU return thread->readMiscReg(misc_reg); } - MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault) + MiscReg readMiscRegWithEffect(int misc_reg) { - return thread->readMiscRegWithEffect(misc_reg, fault); + return thread->readMiscRegWithEffect(misc_reg); } - Fault setMiscReg(int misc_reg, const MiscReg &val) + void setMiscReg(int misc_reg, const MiscReg &val) { result.integer = val; miscRegIdxs.push(misc_reg); return thread->setMiscReg(misc_reg, val); } - Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val) + void setMiscRegWithEffect(int misc_reg, const MiscReg &val) { miscRegIdxs.push(misc_reg); return thread->setMiscRegWithEffect(misc_reg, val); @@ -328,9 +327,6 @@ class CheckerCPU : public BaseCPU #if FULL_SYSTEM Fault hwrei() { return thread->hwrei(); } - int readIntrFlag() { return thread->readIntrFlag(); } - void setIntrFlag(int val) { thread->setIntrFlag(val); } - bool inPalMode() { return thread->inPalMode(); } void ev5_trap(Fault fault) { fault->invoke(tc); } bool simPalCheck(int palFunc) { return thread->simPalCheck(palFunc); } #else diff --git a/src/cpu/checker/cpu_impl.hh b/src/cpu/checker/cpu_impl.hh index 36c7349e6..56e13dd1e 100644 --- a/src/cpu/checker/cpu_impl.hh +++ b/src/cpu/checker/cpu_impl.hh @@ -199,8 +199,13 @@ Checker<DynInstPtr>::verify(DynInstPtr &completed_inst) // Checks both the machine instruction and the PC. validateInst(inst); +#if THE_ISA == ALPHA_ISA + curStaticInst = StaticInst::decode(makeExtMI(machInst, + thread->readPC())); +#elif THE_ISA == SPARC_ISA curStaticInst = StaticInst::decode(makeExtMI(machInst, thread->getTC())); +#endif #if FULL_SYSTEM thread->setInst(machInst); diff --git a/src/cpu/checker/thread_context.hh b/src/cpu/checker/thread_context.hh index b2806d40b..cf36d8392 100644 --- a/src/cpu/checker/thread_context.hh +++ b/src/cpu/checker/thread_context.hh @@ -37,8 +37,10 @@ #include "cpu/thread_context.hh" class EndQuiesceEvent; -namespace Kernel { - class Statistics; +namespace TheISA { + namespace Kernel { + class Statistics; + }; }; /** @@ -87,11 +89,12 @@ class CheckerThreadContext : public ThreadContext PhysicalMemory *getPhysMemPtr() { return actualTC->getPhysMemPtr(); } - AlphaITB *getITBPtr() { return actualTC->getITBPtr(); } + TheISA::ITB *getITBPtr() { return actualTC->getITBPtr(); } - AlphaDTB *getDTBPtr() { return actualTC->getDTBPtr(); } + TheISA::DTB *getDTBPtr() { return actualTC->getDTBPtr(); } - Kernel::Statistics *getKernelStats() { return actualTC->getKernelStats(); } + TheISA::Kernel::Statistics *getKernelStats() + { return actualTC->getKernelStats(); } FunctionalPort *getPhysPort() { return actualTC->getPhysPort(); } @@ -248,19 +251,19 @@ class CheckerThreadContext : public ThreadContext MiscReg readMiscReg(int misc_reg) { return actualTC->readMiscReg(misc_reg); } - MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault) - { return actualTC->readMiscRegWithEffect(misc_reg, fault); } + MiscReg readMiscRegWithEffect(int misc_reg) + { return actualTC->readMiscRegWithEffect(misc_reg); } - Fault setMiscReg(int misc_reg, const MiscReg &val) + void setMiscReg(int misc_reg, const MiscReg &val) { checkerTC->setMiscReg(misc_reg, val); - return actualTC->setMiscReg(misc_reg, val); + actualTC->setMiscReg(misc_reg, val); } - Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val) + void setMiscRegWithEffect(int misc_reg, const MiscReg &val) { checkerTC->setMiscRegWithEffect(misc_reg, val); - return actualTC->setMiscRegWithEffect(misc_reg, val); + actualTC->setMiscRegWithEffect(misc_reg, val); } unsigned readStCondFailures() @@ -271,9 +274,6 @@ class CheckerThreadContext : public ThreadContext checkerTC->setStCondFailures(sc_failures); actualTC->setStCondFailures(sc_failures); } -#if FULL_SYSTEM - bool inPalMode() { return actualTC->inPalMode(); } -#endif // @todo: Fix this! bool misspeculating() { return actualTC->misspeculating(); } diff --git a/src/cpu/cpuevent.hh b/src/cpu/cpuevent.hh index 9dfae27cf..3339f8252 100644 --- a/src/cpu/cpuevent.hh +++ b/src/cpu/cpuevent.hh @@ -44,7 +44,7 @@ class ThreadContext; * */ class CpuEvent : public Event { - private: + protected: /** type of global list of cpu events. */ typedef std::vector<CpuEvent *> CpuEventList; diff --git a/src/cpu/exec_context.hh b/src/cpu/exec_context.hh index f6e8d7c25..13f70fa79 100644 --- a/src/cpu/exec_context.hh +++ b/src/cpu/exec_context.hh @@ -101,14 +101,14 @@ class ExecContext { /** Reads a miscellaneous register, handling any architectural * side effects due to reading that register. */ - MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault); + MiscReg readMiscRegWithEffect(int misc_reg); /** Sets a miscellaneous register. */ - Fault setMiscReg(int misc_reg, const MiscReg &val); + void setMiscReg(int misc_reg, const MiscReg &val); /** Sets a miscellaneous register, handling any architectural * side effects due to writing that register. */ - Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val); + void setMiscRegWithEffect(int misc_reg, const MiscReg &val); /** Records the effective address of the instruction. Only valid * for memory ops. */ @@ -144,10 +144,6 @@ class ExecContext { /** Somewhat Alpha-specific function that handles returning from * an error or interrupt. */ Fault hwrei(); - /** Reads the interrupt flags. */ - int readIntrFlag(); - /** Sets the interrupt flags to a value. */ - void setIntrFlag(int val); /** * Check for special simulator handling of specific PAL calls. If diff --git a/src/cpu/exetrace.cc b/src/cpu/exetrace.cc index 9d85311bb..ef06e0699 100644 --- a/src/cpu/exetrace.cc +++ b/src/cpu/exetrace.cc @@ -33,8 +33,11 @@ #include <fstream> #include <iomanip> +#include <sys/ipc.h> +#include <sys/shm.h> #include "arch/regfile.hh" +#include "arch/utility.hh" #include "base/loader/symtab.hh" #include "cpu/base.hh" #include "cpu/exetrace.hh" @@ -44,10 +47,15 @@ //XXX This is temporary #include "arch/isa_specific.hh" +#include "cpu/m5legion_interface.h" using namespace std; using namespace TheISA; +namespace Trace { +SharedData *shared_data = NULL; +} + //////////////////////////////////////////////////////////////////////// // // Methods for the InstRecord object @@ -75,23 +83,19 @@ Trace::InstRecord::dump(ostream &outs) uint64_t newVal; static const char * prefixes[4] = {"G", "O", "L", "I"}; - char buf[256]; - sprintf(buf, "PC = 0x%016llx", thread->readNextPC()); - outs << buf; - sprintf(buf, " NPC = 0x%016llx", thread->readNextNPC()); - outs << buf; + outs << hex; + outs << "PC = " << thread->readNextPC(); + outs << " NPC = " << thread->readNextNPC(); newVal = thread->readMiscReg(SparcISA::MISCREG_CCR); if(newVal != ccr) { - sprintf(buf, " CCR = 0x%016llx", newVal); - outs << buf; + outs << " CCR = " << newVal; ccr = newVal; } newVal = thread->readMiscReg(SparcISA::MISCREG_Y); if(newVal != y) { - sprintf(buf, " Y = 0x%016llx", newVal); - outs << buf; + outs << " Y = " << newVal; y = newVal; } for(int y = 0; y < 4; y++) @@ -102,8 +106,7 @@ Trace::InstRecord::dump(ostream &outs) newVal = thread->readIntReg(index); if(regs[index] != newVal) { - sprintf(buf, " %s%d = 0x%016llx", prefixes[y], x, newVal); - outs << buf; + outs << " " << prefixes[y] << dec << x << " = " << hex << newVal; regs[index] = newVal; } } @@ -113,12 +116,11 @@ Trace::InstRecord::dump(ostream &outs) newVal = thread->readFloatRegBits(2 * y, 64); if(floats[y] != newVal) { - sprintf(buf, " F%d = 0x%016llx", 2 * y, newVal); - outs << buf; + outs << " F" << dec << (2 * y) << " = " << hex << newVal; floats[y] = newVal; } } - outs << endl; + outs << dec << endl; } #endif } @@ -222,6 +224,85 @@ Trace::InstRecord::dump(ostream &outs) // outs << endl; } +#if THE_ISA == SPARC_ISA + // Compare + if (flags[LEGION_LOCKSTEP]) + { + bool compared = false; + bool diffPC = false; + bool diffInst = false; + bool diffRegs = false; + + if(!staticInst->isMicroOp() || staticInst->isLastMicroOp()) { + while (!compared) { + if (shared_data->flags == OWN_M5) { + if (shared_data->pc != PC) + diffPC = true; + if (shared_data->instruction != staticInst->machInst) + diffInst = true; + for (int i = 0; i < TheISA::NumIntRegs; i++) { + if (thread->readIntReg(i) != shared_data->intregs[i]) + diffRegs = true; + } + + if (diffPC || diffInst || diffRegs ) { + outs << "Differences found between M5 and Legion:"; + if (diffPC) + outs << " [PC]"; + if (diffInst) + outs << " [Instruction]"; + if (diffRegs) + outs << " [IntRegs]"; + outs << endl << endl;; + + outs << setfill(' ') << setw(15) + << "M5 PC: " << "0x"<< setw(16) << setfill('0') + << hex << PC << endl; + outs << setfill(' ') << setw(15) + << "Legion PC: " << "0x"<< setw(16) << setfill('0') << hex + << shared_data->pc << endl << endl; + + outs << setfill(' ') << setw(15) + << "M5 Inst: " << "0x"<< setw(8) + << setfill('0') << hex << staticInst->machInst + << staticInst->disassemble(PC, debugSymbolTable) + << endl; + + StaticInstPtr legionInst = StaticInst::decode(makeExtMI(shared_data->instruction, thread)); + outs << setfill(' ') << setw(15) + << " Legion Inst: " + << "0x" << setw(8) << setfill('0') << hex + << shared_data->instruction + << legionInst->disassemble(shared_data->pc, debugSymbolTable) + << endl; + + outs << endl; + + static const char * regtypes[4] = {"%g", "%o", "%l", "%i"}; + for(int y = 0; y < 4; y++) + { + for(int x = 0; x < 8; x++) + { + outs << regtypes[y] << x << " " ; + outs << "0x" << hex << setw(16) << thread->readIntReg(y*8+x); + if (thread->readIntReg(y*8 + x) != shared_data->intregs[y*8+x]) + outs << " X "; + else + outs << " | "; + outs << "0x" << setw(16) << hex << shared_data->intregs[y*8+x] + << endl; + } + } + fatal("Differences found between Legion and M5\n"); + } + + compared = true; + shared_data->flags = OWN_LEGION; + } + } // while + } // if not microop + } +#endif } @@ -271,6 +352,9 @@ Param<bool> exe_trace_pc_symbol(&exeTraceParams, "pc_symbol", "Use symbols for the PC if available", true); Param<bool> exe_trace_intel_format(&exeTraceParams, "intel_format", "print trace in intel compatible format", false); +Param<bool> exe_trace_legion_lockstep(&exeTraceParams, "legion_lockstep", + "Compare sim state to legion state every cycle", + false); Param<string> exe_trace_system(&exeTraceParams, "trace_system", "print trace of which system (client or server)", "client"); @@ -296,7 +380,28 @@ Trace::InstRecord::setParams() flags[PRINT_REG_DELTA] = exe_trace_print_reg_delta; flags[PC_SYMBOL] = exe_trace_pc_symbol; flags[INTEL_FORMAT] = exe_trace_intel_format; + flags[LEGION_LOCKSTEP] = exe_trace_legion_lockstep; trace_system = exe_trace_system; + + // If were going to be in lockstep with Legion + // Setup shared memory, and get otherwise ready + if (flags[LEGION_LOCKSTEP]) { + int shmfd = shmget(getuid(), sizeof(SharedData), 0777); + if (shmfd < 0) + fatal("Couldn't get shared memory fd. Is Legion running?"); + + shared_data = (SharedData*)shmat(shmfd, NULL, SHM_RND); + if (shared_data == (SharedData*)-1) + fatal("Couldn't allocate shared memory"); + + if (shared_data->flags != OWN_M5) + fatal("Shared memory has invalid owner"); + + if (shared_data->version != VERSION) + fatal("Shared Data is wrong version! M5: %d Legion: %d", VERSION, + shared_data->version); + + } } void diff --git a/src/cpu/exetrace.hh b/src/cpu/exetrace.hh index 02ea162f0..6562e5265 100644 --- a/src/cpu/exetrace.hh +++ b/src/cpu/exetrace.hh @@ -150,6 +150,7 @@ class InstRecord : public Record PRINT_REG_DELTA, PC_SYMBOL, INTEL_FORMAT, + LEGION_LOCKSTEP, NUM_BITS }; diff --git a/src/cpu/inst_seq.hh b/src/cpu/inst_seq.hh index e7acd215f..21e04ed25 100644 --- a/src/cpu/inst_seq.hh +++ b/src/cpu/inst_seq.hh @@ -32,8 +32,6 @@ #ifndef __STD_TYPES_HH__ #define __STD_TYPES_HH__ -#include <stdint.h> - // inst sequence type, used to order instructions in the ready list, // if this rolls over the ready list order temporarily will get messed // up, but execution will continue and complete correctly diff --git a/src/cpu/m5legion_interface.h b/src/cpu/m5legion_interface.h new file mode 100644 index 000000000..9338d9ca0 --- /dev/null +++ b/src/cpu/m5legion_interface.h @@ -0,0 +1,50 @@ +/* + * Copyright (c) 2006 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Ali Saidi + */ + +#include <unistd.h> + +#define VERSION 0xA1000002 +#define OWN_M5 0x000000AA +#define OWN_LEGION 0x00000055 + +/** !!! VVV Increment VERSION on change VVV !!! **/ + +typedef struct { + uint32_t flags; + uint32_t version; + + uint64_t pc; + uint32_t instruction; + uint64_t intregs[32]; + +} SharedData; + +/** !!! ^^^ Increment VERSION on change ^^^ !!! **/ + diff --git a/src/cpu/memtest/memtest.hh b/src/cpu/memtest/memtest.hh index edde4a3b2..2694efd39 100644 --- a/src/cpu/memtest/memtest.hh +++ b/src/cpu/memtest/memtest.hh @@ -97,7 +97,7 @@ class MemTest : public MemObject public: CpuPort(const std::string &_name, MemTest *_memtest) - : Port(_name), memtest(_memtest) + : Port(_name, _memtest), memtest(_memtest) { } protected: diff --git a/src/cpu/o3/alpha/cpu.hh b/src/cpu/o3/alpha/cpu.hh index 9d97f9701..b62550062 100644 --- a/src/cpu/o3/alpha/cpu.hh +++ b/src/cpu/o3/alpha/cpu.hh @@ -37,6 +37,12 @@ #include "cpu/o3/cpu.hh" #include "sim/byteswap.hh" +namespace TheISA +{ + class ITB; + class DTB; +} + class EndQuiesceEvent; namespace Kernel { class Statistics; @@ -73,9 +79,9 @@ class AlphaO3CPU : public FullO3CPU<Impl> #if FULL_SYSTEM /** ITB pointer. */ - AlphaITB *itb; + AlphaISA::ITB *itb; /** DTB pointer. */ - AlphaDTB *dtb; + AlphaISA::DTB *dtb; #endif /** Registers statistics. */ @@ -126,15 +132,15 @@ class AlphaO3CPU : public FullO3CPU<Impl> /** Reads a misc. register, including any side effects the read * might have as defined by the architecture. */ - MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault, unsigned tid); + MiscReg readMiscRegWithEffect(int misc_reg, unsigned tid); /** Sets a miscellaneous register. */ - Fault setMiscReg(int misc_reg, const MiscReg &val, unsigned tid); + void setMiscReg(int misc_reg, const MiscReg &val, unsigned tid); /** Sets a misc. register, including any side effects the write * might have as defined by the architecture. */ - Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val, unsigned tid); + void setMiscRegWithEffect(int misc_reg, const MiscReg &val, unsigned tid); /** Initiates a squash of all in-flight instructions for a given * thread. The source of the squash is an external update of @@ -145,15 +151,8 @@ class AlphaO3CPU : public FullO3CPU<Impl> #if FULL_SYSTEM /** Posts an interrupt. */ void post_interrupt(int int_num, int index); - /** Reads the interrupt flag. */ - int readIntrFlag(); - /** Sets the interrupt flags. */ - void setIntrFlag(int val); /** HW return from error interrupt. */ Fault hwrei(unsigned tid); - /** Returns if a specific PC is a PAL mode PC. */ - bool inPalMode(uint64_t PC) - { return AlphaISA::PcPAL(PC); } bool simPalCheck(int palFunc, unsigned tid); diff --git a/src/cpu/o3/alpha/cpu_builder.cc b/src/cpu/o3/alpha/cpu_builder.cc index ff123a6f7..be8ad8de6 100644 --- a/src/cpu/o3/alpha/cpu_builder.cc +++ b/src/cpu/o3/alpha/cpu_builder.cc @@ -54,15 +54,13 @@ Param<int> activity; #if FULL_SYSTEM SimObjectParam<System *> system; Param<int> cpu_id; -SimObjectParam<AlphaITB *> itb; -SimObjectParam<AlphaDTB *> dtb; +SimObjectParam<AlphaISA::ITB *> itb; +SimObjectParam<AlphaISA::DTB *> dtb; Param<Tick> profile; #else SimObjectVectorParam<Process *> workload; #endif // FULL_SYSTEM -SimObjectParam<MemObject *> mem; - SimObjectParam<BaseCPU *> checker; Param<Counter> max_insts_any_thread; @@ -169,8 +167,6 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(DerivO3CPU) INIT_PARAM(workload, "Processes to run"), #endif // FULL_SYSTEM - INIT_PARAM(mem, "Memory"), - INIT_PARAM_DFLT(checker, "Checker CPU", NULL), INIT_PARAM_DFLT(max_insts_any_thread, @@ -314,8 +310,6 @@ CREATE_SIM_OBJECT(DerivO3CPU) params->workload = workload; #endif // FULL_SYSTEM - params->mem = mem; - params->checker = checker; params->max_insts_any_thread = max_insts_any_thread; diff --git a/src/cpu/o3/alpha/cpu_impl.hh b/src/cpu/o3/alpha/cpu_impl.hh index 8c3d7ee32..618716fc6 100644 --- a/src/cpu/o3/alpha/cpu_impl.hh +++ b/src/cpu/o3/alpha/cpu_impl.hh @@ -48,8 +48,8 @@ #if FULL_SYSTEM #include "arch/alpha/osfpal.hh" #include "arch/isa_traits.hh" +#include "arch/kernel_stats.hh" #include "cpu/quiesce_event.hh" -#include "kern/kernel_stats.hh" #include "sim/sim_exit.hh" #include "sim/system.hh" #endif @@ -77,24 +77,10 @@ AlphaO3CPU<Impl>::AlphaO3CPU(Params *params) if (i < params->workload.size()) { DPRINTF(O3CPU, "Workload[%i] process is %#x", i, this->thread[i]); - this->thread[i] = new Thread(this, i, params->workload[i], - i, params->mem); + this->thread[i] = new Thread(this, i, params->workload[i], i); this->thread[i]->setStatus(ThreadContext::Suspended); -#if !FULL_SYSTEM - /* Use this port to for syscall emulation writes to memory. */ - Port *mem_port; - TranslatingPort *trans_port; - trans_port = new TranslatingPort(csprintf("%s-%d-funcport", - name(), i), - params->workload[i]->pTable, - false); - mem_port = params->mem->getPort("functional"); - mem_port->setPeer(trans_port); - trans_port->setPeer(mem_port); - this->thread[i]->setMemPort(trans_port); -#endif //usedTids[i] = true; //threadMap[i] = i; } else { @@ -102,7 +88,7 @@ AlphaO3CPU<Impl>::AlphaO3CPU(Params *params) //when scheduling threads to CPU Process* dummy_proc = NULL; - this->thread[i] = new Thread(this, i, dummy_proc, i, params->mem); + this->thread[i] = new Thread(this, i, dummy_proc, i); //usedTids[i] = false; } #endif // !FULL_SYSTEM @@ -198,25 +184,24 @@ AlphaO3CPU<Impl>::readMiscReg(int misc_reg, unsigned tid) template <class Impl> TheISA::MiscReg -AlphaO3CPU<Impl>::readMiscRegWithEffect(int misc_reg, Fault &fault, - unsigned tid) +AlphaO3CPU<Impl>::readMiscRegWithEffect(int misc_reg, unsigned tid) { - return this->regFile.readMiscRegWithEffect(misc_reg, fault, tid); + return this->regFile.readMiscRegWithEffect(misc_reg, tid); } template <class Impl> -Fault +void AlphaO3CPU<Impl>::setMiscReg(int misc_reg, const MiscReg &val, unsigned tid) { - return this->regFile.setMiscReg(misc_reg, val, tid); + this->regFile.setMiscReg(misc_reg, val, tid); } template <class Impl> -Fault +void AlphaO3CPU<Impl>::setMiscRegWithEffect(int misc_reg, const MiscReg &val, unsigned tid) { - return this->regFile.setMiscRegWithEffect(misc_reg, val, tid); + this->regFile.setMiscRegWithEffect(misc_reg, val, tid); } template <class Impl> @@ -242,20 +227,6 @@ AlphaO3CPU<Impl>::post_interrupt(int int_num, int index) } template <class Impl> -int -AlphaO3CPU<Impl>::readIntrFlag() -{ - return this->regFile.readIntrFlag(); -} - -template <class Impl> -void -AlphaO3CPU<Impl>::setIntrFlag(int val) -{ - this->regFile.setIntrFlag(val); -} - -template <class Impl> Fault AlphaO3CPU<Impl>::hwrei(unsigned tid) { @@ -299,7 +270,6 @@ template <class Impl> void AlphaO3CPU<Impl>::processInterrupts() { - using namespace TheISA; // Check for interrupts here. For now can copy the code that // exists within isa_fullsys_traits.hh. Also assume that thread 0 // is the one that handles the interrupts. @@ -308,51 +278,11 @@ AlphaO3CPU<Impl>::processInterrupts() // Check if there are any outstanding interrupts //Handle the interrupts - int ipl = 0; - int summary = 0; - - this->checkInterrupts = false; - - if (this->readMiscReg(IPR_ASTRR, 0)) - panic("asynchronous traps not implemented\n"); - - if (this->readMiscReg(IPR_SIRR, 0)) { - for (int i = INTLEVEL_SOFTWARE_MIN; - i < INTLEVEL_SOFTWARE_MAX; i++) { - if (this->readMiscReg(IPR_SIRR, 0) & (ULL(1) << i)) { - // See table 4-19 of the 21164 hardware reference - ipl = (i - INTLEVEL_SOFTWARE_MIN) + 1; - summary |= (ULL(1) << i); - } - } - } - - uint64_t interrupts = this->intr_status(); + Fault interrupt = this->interrupts.getInterrupt(this->tcBase(0)); - if (interrupts) { - for (int i = INTLEVEL_EXTERNAL_MIN; - i < INTLEVEL_EXTERNAL_MAX; i++) { - if (interrupts & (ULL(1) << i)) { - // See table 4-19 of the 21164 hardware reference - ipl = i; - summary |= (ULL(1) << i); - } - } - } - - if (ipl && ipl > this->readMiscReg(IPR_IPLR, 0)) { - this->setMiscReg(IPR_ISR, summary, 0); - this->setMiscReg(IPR_INTID, ipl, 0); - // Checker needs to know these two registers were updated. -#if USE_CHECKER - if (this->checker) { - this->checker->threadBase()->setMiscReg(IPR_ISR, summary); - this->checker->threadBase()->setMiscReg(IPR_INTID, ipl); - } -#endif - this->trap(Fault(new InterruptFault), 0); - DPRINTF(Flow, "Interrupt! IPLR=%d ipl=%d summary=%x\n", - this->readMiscReg(IPR_IPLR, 0), ipl, summary); + if (interrupt != NoFault) { + this->checkInterrupts = false; + this->trap(interrupt, 0); } } diff --git a/src/cpu/o3/alpha/dyn_inst.hh b/src/cpu/o3/alpha/dyn_inst.hh index 294aadde8..31df8ff78 100644 --- a/src/cpu/o3/alpha/dyn_inst.hh +++ b/src/cpu/o3/alpha/dyn_inst.hh @@ -102,14 +102,13 @@ class AlphaDynInst : public BaseDynInst<Impl> /** Reads a misc. register, including any side-effects the read * might have as defined by the architecture. */ - MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault) + MiscReg readMiscRegWithEffect(int misc_reg) { - return this->cpu->readMiscRegWithEffect(misc_reg, fault, - this->threadNumber); + return this->cpu->readMiscRegWithEffect(misc_reg, this->threadNumber); } /** Sets a misc. register. */ - Fault setMiscReg(int misc_reg, const MiscReg &val) + void setMiscReg(int misc_reg, const MiscReg &val) { this->instResult.integer = val; return this->cpu->setMiscReg(misc_reg, val, this->threadNumber); @@ -118,7 +117,7 @@ class AlphaDynInst : public BaseDynInst<Impl> /** Sets a misc. register, including any side-effects the write * might have as defined by the architecture. */ - Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val) + void setMiscRegWithEffect(int misc_reg, const MiscReg &val) { return this->cpu->setMiscRegWithEffect(misc_reg, val, this->threadNumber); @@ -127,12 +126,6 @@ class AlphaDynInst : public BaseDynInst<Impl> #if FULL_SYSTEM /** Calls hardware return from error interrupt. */ Fault hwrei(); - /** Reads interrupt flag. */ - int readIntrFlag(); - /** Sets interrupt flag. */ - void setIntrFlag(int val); - /** Checks if system is in PAL mode. */ - bool inPalMode(); /** Traps to handle specified fault. */ void trap(Fault fault); bool simPalCheck(int palFunc); diff --git a/src/cpu/o3/alpha/dyn_inst_impl.hh b/src/cpu/o3/alpha/dyn_inst_impl.hh index b273a7b9b..6fc548a85 100644 --- a/src/cpu/o3/alpha/dyn_inst_impl.hh +++ b/src/cpu/o3/alpha/dyn_inst_impl.hh @@ -113,7 +113,7 @@ Fault AlphaDynInst<Impl>::hwrei() { // Can only do a hwrei when in pal mode. - if (!this->cpu->inPalMode(this->readPC())) + if (!(this->readPC() & 0x3)) return new AlphaISA::UnimplementedOpcodeFault; // Set the next PC based on the value of the EXC_ADDR IPR. @@ -128,27 +128,6 @@ AlphaDynInst<Impl>::hwrei() } template <class Impl> -int -AlphaDynInst<Impl>::readIntrFlag() -{ - return this->cpu->readIntrFlag(); -} - -template <class Impl> -void -AlphaDynInst<Impl>::setIntrFlag(int val) -{ - this->cpu->setIntrFlag(val); -} - -template <class Impl> -bool -AlphaDynInst<Impl>::inPalMode() -{ - return this->cpu->inPalMode(this->PC); -} - -template <class Impl> void AlphaDynInst<Impl>::trap(Fault fault) { diff --git a/src/cpu/o3/alpha/params.hh b/src/cpu/o3/alpha/params.hh index c618cee08..b6b84b2a1 100644 --- a/src/cpu/o3/alpha/params.hh +++ b/src/cpu/o3/alpha/params.hh @@ -35,8 +35,11 @@ #include "cpu/o3/params.hh" //Forward declarations -class AlphaDTB; -class AlphaITB; +namespace AlphaISA +{ + class DTB; + class ITB; +} class MemObject; class Process; class System; @@ -52,8 +55,8 @@ class AlphaSimpleParams : public O3Params public: #if FULL_SYSTEM - AlphaITB *itb; - AlphaDTB *dtb; + AlphaISA::ITB *itb; + AlphaISA::DTB *dtb; #endif }; diff --git a/src/cpu/o3/alpha/thread_context.hh b/src/cpu/o3/alpha/thread_context.hh index 70a09940f..bcecb7087 100644 --- a/src/cpu/o3/alpha/thread_context.hh +++ b/src/cpu/o3/alpha/thread_context.hh @@ -37,21 +37,16 @@ class AlphaTC : public O3ThreadContext<Impl> public: #if FULL_SYSTEM /** Returns a pointer to the ITB. */ - virtual AlphaITB *getITBPtr() { return this->cpu->itb; } + virtual AlphaISA::ITB *getITBPtr() { return this->cpu->itb; } /** Returns a pointer to the DTB. */ - virtual AlphaDTB *getDTBPtr() { return this->cpu->dtb; } + virtual AlphaISA::DTB *getDTBPtr() { return this->cpu->dtb; } /** Returns pointer to the quiesce event. */ virtual EndQuiesceEvent *getQuiesceEvent() { return this->thread->quiesceEvent; } - - /** Returns if the thread is currently in PAL mode, based on - * the PC's value. */ - virtual bool inPalMode() - { return TheISA::PcPAL(this->cpu->readPC(this->thread->readTid())); } #endif virtual uint64_t readNextNPC() diff --git a/src/cpu/o3/checker_builder.cc b/src/cpu/o3/checker_builder.cc index 02c817499..8b028e3a0 100644 --- a/src/cpu/o3/checker_builder.cc +++ b/src/cpu/o3/checker_builder.cc @@ -67,8 +67,8 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(O3Checker) Param<Tick> progress_interval; #if FULL_SYSTEM - SimObjectParam<AlphaITB *> itb; - SimObjectParam<AlphaDTB *> dtb; + SimObjectParam<TheISA::ITB *> itb; + SimObjectParam<TheISA::DTB *> dtb; SimObjectParam<System *> system; Param<int> cpu_id; Param<Tick> profile; diff --git a/src/cpu/o3/commit_impl.hh b/src/cpu/o3/commit_impl.hh index ecf6ed632..30052a148 100644 --- a/src/cpu/o3/commit_impl.hh +++ b/src/cpu/o3/commit_impl.hh @@ -35,6 +35,7 @@ #include <algorithm> #include <string> +#include "arch/utility.hh" #include "base/loader/symtab.hh" #include "base/timebuf.hh" #include "cpu/exetrace.hh" @@ -638,8 +639,7 @@ DefaultCommit<Impl>::commit() // and no other traps or external squashes are currently pending. // @todo: Allow other threads to handle interrupts. if (cpu->checkInterrupts && - cpu->check_interrupts() && - !cpu->inPalMode(readPC()) && + cpu->check_interrupts(cpu->tcBase(0)) && !trapSquash[0] && !tcSquash[0]) { // Tell fetch that there is an interrupt pending. This will @@ -1085,8 +1085,7 @@ DefaultCommit<Impl>::commitHead(DynInstPtr &head_inst, unsigned inst_num) #if FULL_SYSTEM if (thread[tid]->profile) { -// bool usermode = -// (cpu->readMiscReg(AlphaISA::IPR_DTB_CM, tid) & 0x18) != 0; +// bool usermode = TheISA::inUserMode(thread[tid]->getTC()); // thread[tid]->profilePC = usermode ? 1 : head_inst->readPC(); thread[tid]->profilePC = head_inst->readPC(); ProfileNode *node = thread[tid]->profile->consume(thread[tid]->getTC(), diff --git a/src/cpu/o3/cpu.cc b/src/cpu/o3/cpu.cc index 367508288..dfe42d882 100644 --- a/src/cpu/o3/cpu.cc +++ b/src/cpu/o3/cpu.cc @@ -187,7 +187,6 @@ FullO3CPU<Impl>::FullO3CPU(Params *params) system(params->system), physmem(system->physmem), #endif // FULL_SYSTEM - mem(params->mem), drainCount(0), deferRegistration(params->deferRegistration), numThreads(number_of_threads) @@ -204,7 +203,6 @@ FullO3CPU<Impl>::FullO3CPU(Params *params) #if USE_CHECKER BaseCPU *temp_checker = params->checker; checker = dynamic_cast<Checker<DynInstPtr> *>(temp_checker); - checker->setMemory(mem); #if FULL_SYSTEM checker->setSystem(params->system); #endif diff --git a/src/cpu/o3/cpu.hh b/src/cpu/o3/cpu.hh index fe510519c..2bf9cb23b 100644 --- a/src/cpu/o3/cpu.hh +++ b/src/cpu/o3/cpu.hh @@ -620,9 +620,6 @@ class FullO3CPU : public BaseO3CPU PhysicalMemory *physmem; #endif - /** Pointer to memory. */ - MemObject *mem; - /** Event to call process() on once draining has completed. */ Event *drainEvent; diff --git a/src/cpu/o3/fetch.hh b/src/cpu/o3/fetch.hh index 5555bff85..cc9a8abf5 100644 --- a/src/cpu/o3/fetch.hh +++ b/src/cpu/o3/fetch.hh @@ -329,8 +329,6 @@ class DefaultFetch /** Wire used to write any information heading to decode. */ typename TimeBuffer<FetchStruct>::wire toDecode; - MemObject *mem; - /** Icache interface. */ IcachePort *icachePort; diff --git a/src/cpu/o3/fetch_impl.hh b/src/cpu/o3/fetch_impl.hh index f1d6cb64f..350ecd52d 100644 --- a/src/cpu/o3/fetch_impl.hh +++ b/src/cpu/o3/fetch_impl.hh @@ -45,7 +45,6 @@ #if FULL_SYSTEM #include "arch/tlb.hh" #include "arch/vtophys.hh" -#include "base/remote_gdb.hh" #include "sim/system.hh" #endif // FULL_SYSTEM @@ -98,8 +97,7 @@ DefaultFetch<Impl>::IcachePort::recvRetry() template<class Impl> DefaultFetch<Impl>::DefaultFetch(Params *params) - : mem(params->mem), - branchPred(params), + : branchPred(params), decodeToFetchDelay(params->decodeToFetchDelay), renameToFetchDelay(params->renameToFetchDelay), iewToFetchDelay(params->iewToFetchDelay), @@ -562,14 +560,9 @@ DefaultFetch<Impl>::fetchCacheLine(Addr fetch_PC, Fault &ret_fault, unsigned tid { Fault fault = NoFault; -#if FULL_SYSTEM - // Flag to say whether or not address is physical addr. - unsigned flags = cpu->inPalMode(fetch_PC) ? PHYSICAL : 0; -#else - unsigned flags = 0; -#endif // FULL_SYSTEM - - if (cacheBlocked || isSwitchedOut() || (interruptPending && flags == 0)) { + //AlphaDep + if (cacheBlocked || isSwitchedOut() || + (interruptPending && (fetch_PC & 0x3))) { // Hold off fetch from getting new instructions when: // Cache is blocked, or // while an interrupt is pending and we're not in PAL mode, or @@ -588,7 +581,7 @@ DefaultFetch<Impl>::fetchCacheLine(Addr fetch_PC, Fault &ret_fault, unsigned tid // Setup the memReq to do a read of the first instruction's address. // Set the appropriate read size and flags as well. // Build request here. - RequestPtr mem_req = new Request(tid, fetch_PC, cacheBlkSize, flags, + RequestPtr mem_req = new Request(tid, fetch_PC, cacheBlkSize, 0, fetch_PC, cpu->readCpuId(), tid); memReq[tid] = mem_req; @@ -1120,7 +1113,11 @@ DefaultFetch<Impl>::fetch(bool &status_change) inst = TheISA::gtoh(*reinterpret_cast<TheISA::MachInst *> (&cacheData[tid][offset])); - ext_inst = TheISA::makeExtMI(inst, cpu->tcBase(tid)); +#if THE_ISA == ALPHA_ISA + ext_inst = TheISA::makeExtMI(inst, fetch_PC); +#elif THE_ISA == SPARC_ISA + ext_inst = TheISA::makeExtMI(inst, cpu->thread[tid]->getTC()); +#endif // Create a new DynInst from the instruction fetched. DynInstPtr instruction = new DynInst(ext_inst, fetch_PC, diff --git a/src/cpu/o3/lsq_unit_impl.hh b/src/cpu/o3/lsq_unit_impl.hh index 8a63ff011..4facea9f9 100644 --- a/src/cpu/o3/lsq_unit_impl.hh +++ b/src/cpu/o3/lsq_unit_impl.hh @@ -132,6 +132,7 @@ LSQUnit<Impl>::init(Params *params, LSQ *lsq_ptr, unsigned maxLQEntries, usedPorts = 0; cachePorts = params->cachePorts; + retryPkt = NULL; memDepViolator = NULL; blockedLoadSeqNum = 0; diff --git a/src/cpu/o3/mem_dep_unit.hh b/src/cpu/o3/mem_dep_unit.hh index e399f0133..a12a3001b 100644 --- a/src/cpu/o3/mem_dep_unit.hh +++ b/src/cpu/o3/mem_dep_unit.hh @@ -69,7 +69,7 @@ class MemDepUnit { typedef typename Impl::DynInstPtr DynInstPtr; /** Empty constructor. Must call init() prior to using in this case. */ - MemDepUnit() {} + MemDepUnit(); /** Constructs a MemDepUnit with given parameters. */ MemDepUnit(Params *params); diff --git a/src/cpu/o3/mem_dep_unit_impl.hh b/src/cpu/o3/mem_dep_unit_impl.hh index c649ca385..f19980fd5 100644 --- a/src/cpu/o3/mem_dep_unit_impl.hh +++ b/src/cpu/o3/mem_dep_unit_impl.hh @@ -34,6 +34,13 @@ #include "cpu/o3/mem_dep_unit.hh" template <class MemDepPred, class Impl> +MemDepUnit<MemDepPred, Impl>::MemDepUnit() + : loadBarrier(false), loadBarrierSN(0), storeBarrier(false), + storeBarrierSN(0), iqPtr(NULL) +{ +} + +template <class MemDepPred, class Impl> MemDepUnit<MemDepPred, Impl>::MemDepUnit(Params *params) : depPred(params->SSITSize, params->LFSTSize), loadBarrier(false), loadBarrierSN(0), storeBarrier(false), storeBarrierSN(0), iqPtr(NULL) @@ -160,8 +167,12 @@ MemDepUnit<MemDepPred, Impl>::insert(DynInstPtr &inst) // producing memrefs/stores. InstSeqNum producing_store; if (inst->isLoad() && loadBarrier) { + DPRINTF(MemDepUnit, "Load barrier [sn:%lli] in flight\n", + loadBarrierSN); producing_store = loadBarrierSN; } else if (inst->isStore() && storeBarrier) { + DPRINTF(MemDepUnit, "Store barrier [sn:%lli] in flight\n", + storeBarrierSN); producing_store = storeBarrierSN; } else { producing_store = depPred.checkInst(inst->readPC()); @@ -171,10 +182,12 @@ MemDepUnit<MemDepPred, Impl>::insert(DynInstPtr &inst) // If there is a producing store, try to find the entry. if (producing_store != 0) { + DPRINTF(MemDepUnit, "Searching for producer\n"); MemDepHashIt hash_it = memDepHash.find(producing_store); if (hash_it != memDepHash.end()) { store_entry = (*hash_it).second; + DPRINTF(MemDepUnit, "Proucer found\n"); } } diff --git a/src/cpu/o3/mips/cpu.hh b/src/cpu/o3/mips/cpu.hh index bf04b9f69..7e6268cdf 100755 --- a/src/cpu/o3/mips/cpu.hh +++ b/src/cpu/o3/mips/cpu.hh @@ -92,16 +92,15 @@ class MipsO3CPU : public FullO3CPU<Impl> /** Reads a misc. register, including any side effects the read * might have as defined by the architecture. */ - TheISA::MiscReg readMiscRegWithEffect(int misc_reg, - Fault &fault, unsigned tid); + TheISA::MiscReg readMiscRegWithEffect(int misc_reg, unsigned tid); /** Sets a miscellaneous register. */ - Fault setMiscReg(int misc_reg, const TheISA::MiscReg &val, unsigned tid); + void setMiscReg(int misc_reg, const TheISA::MiscReg &val, unsigned tid); /** Sets a misc. register, including any side effects the write * might have as defined by the architecture. */ - Fault setMiscRegWithEffect(int misc_reg, + void setMiscRegWithEffect(int misc_reg, const TheISA::MiscReg &val, unsigned tid); /** Initiates a squash of all in-flight instructions for a given diff --git a/src/cpu/o3/mips/cpu_builder.cc b/src/cpu/o3/mips/cpu_builder.cc index f1c3b33a5..ee9f2b48d 100644 --- a/src/cpu/o3/mips/cpu_builder.cc +++ b/src/cpu/o3/mips/cpu_builder.cc @@ -54,8 +54,6 @@ Param<int> activity; SimObjectVectorParam<Process *> workload; -SimObjectParam<MemObject *> mem; - SimObjectParam<BaseCPU *> checker; Param<Counter> max_insts_any_thread; @@ -153,8 +151,6 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(DerivO3CPU) INIT_PARAM(workload, "Processes to run"), - INIT_PARAM(mem, "Memory"), - INIT_PARAM_DFLT(checker, "Checker CPU", NULL), INIT_PARAM_DFLT(max_insts_any_thread, @@ -284,8 +280,6 @@ CREATE_SIM_OBJECT(DerivO3CPU) params->workload = workload; - params->mem = mem; - params->checker = checker; params->max_insts_any_thread = max_insts_any_thread; diff --git a/src/cpu/o3/mips/cpu_impl.hh b/src/cpu/o3/mips/cpu_impl.hh index e08741626..08e9ba483 100644 --- a/src/cpu/o3/mips/cpu_impl.hh +++ b/src/cpu/o3/mips/cpu_impl.hh @@ -58,24 +58,10 @@ MipsO3CPU<Impl>::MipsO3CPU(Params *params) if (i < params->workload.size()) { DPRINTF(O3CPU, "Workload[%i] process is %#x", i, this->thread[i]); - this->thread[i] = new Thread(this, i, params->workload[i], - i, params->mem); + this->thread[i] = new Thread(this, i, params->workload[i], i); this->thread[i]->setStatus(ThreadContext::Suspended); - - /* Use this port to for syscall emulation writes to memory. */ - Port *mem_port; - TranslatingPort *trans_port; - trans_port = new TranslatingPort(csprintf("%s-%d-funcport", - name(), i), - params->workload[i]->pTable, - false); - mem_port = params->mem->getPort("functional"); - mem_port->setPeer(trans_port); - trans_port->setPeer(mem_port); - this->thread[i]->setMemPort(trans_port); - //usedTids[i] = true; //threadMap[i] = i; } else { @@ -83,7 +69,7 @@ MipsO3CPU<Impl>::MipsO3CPU(Params *params) //when scheduling threads to CPU Process* dummy_proc = NULL; - this->thread[i] = new Thread(this, i, dummy_proc, i, params->mem); + this->thread[i] = new Thread(this, i, dummy_proc, i); //usedTids[i] = false; } @@ -156,25 +142,24 @@ MipsO3CPU<Impl>::readMiscReg(int misc_reg, unsigned tid) template <class Impl> MiscReg -MipsO3CPU<Impl>::readMiscRegWithEffect(int misc_reg, Fault &fault, - unsigned tid) +MipsO3CPU<Impl>::readMiscRegWithEffect(int misc_reg, unsigned tid) { - return this->regFile.readMiscRegWithEffect(misc_reg, fault, tid); + return this->regFile.readMiscRegWithEffect(misc_reg, tid); } template <class Impl> -Fault +void MipsO3CPU<Impl>::setMiscReg(int misc_reg, const MiscReg &val, unsigned tid) { - return this->regFile.setMiscReg(misc_reg, val, tid); + this->regFile.setMiscReg(misc_reg, val, tid); } template <class Impl> -Fault +void MipsO3CPU<Impl>::setMiscRegWithEffect(int misc_reg, const MiscReg &val, unsigned tid) { - return this->regFile.setMiscRegWithEffect(misc_reg, val, tid); + this->regFile.setMiscRegWithEffect(misc_reg, val, tid); } template <class Impl> diff --git a/src/cpu/o3/mips/dyn_inst.hh b/src/cpu/o3/mips/dyn_inst.hh index aa30bfa1e..9e95b2bfb 100755 --- a/src/cpu/o3/mips/dyn_inst.hh +++ b/src/cpu/o3/mips/dyn_inst.hh @@ -103,23 +103,22 @@ class MipsDynInst : public BaseDynInst<Impl> /** Reads a misc. register, including any side-effects the read * might have as defined by the architecture. */ - MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault) + MiscReg readMiscRegWithEffect(int misc_reg) { - return this->cpu->readMiscRegWithEffect(misc_reg, fault, - this->threadNumber); + return this->cpu->readMiscRegWithEffect(misc_reg, this->threadNumber); } /** Sets a misc. register. */ - Fault setMiscReg(int misc_reg, const MiscReg &val) + void setMiscReg(int misc_reg, const MiscReg &val) { this->instResult.integer = val; - return this->cpu->setMiscReg(misc_reg, val, this->threadNumber); + this->cpu->setMiscReg(misc_reg, val, this->threadNumber); } /** Sets a misc. register, including any side-effects the write * might have as defined by the architecture. */ - Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val) + void setMiscRegWithEffect(int misc_reg, const MiscReg &val) { return this->cpu->setMiscRegWithEffect(misc_reg, val, this->threadNumber); diff --git a/src/cpu/o3/params.hh b/src/cpu/o3/params.hh index 1c234bcd7..b487778c6 100755 --- a/src/cpu/o3/params.hh +++ b/src/cpu/o3/params.hh @@ -54,8 +54,6 @@ class O3Params : public BaseO3CPU::Params Process *process; #endif // FULL_SYSTEM - MemObject *mem; - BaseCPU *checker; // diff --git a/src/cpu/o3/regfile.hh b/src/cpu/o3/regfile.hh index 512cf0721..598af123e 100644 --- a/src/cpu/o3/regfile.hh +++ b/src/cpu/o3/regfile.hh @@ -37,11 +37,9 @@ #include "base/trace.hh" #include "config/full_system.hh" #include "cpu/o3/comm.hh" -#include "sim/faults.hh" #if FULL_SYSTEM -#include "kern/kernel_stats.hh" - +#include "arch/kernel_stats.hh" #endif #include <vector> @@ -232,31 +230,24 @@ class PhysRegFile return miscRegs[thread_id].readReg(misc_reg); } - MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault, - unsigned thread_id) + MiscReg readMiscRegWithEffect(int misc_reg, unsigned thread_id) { - return miscRegs[thread_id].readRegWithEffect(misc_reg, fault, + return miscRegs[thread_id].readRegWithEffect(misc_reg, cpu->tcBase(thread_id)); } - Fault setMiscReg(int misc_reg, const MiscReg &val, unsigned thread_id) + void setMiscReg(int misc_reg, const MiscReg &val, unsigned thread_id) { - return miscRegs[thread_id].setReg(misc_reg, val); + miscRegs[thread_id].setReg(misc_reg, val); } - Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val, + void setMiscRegWithEffect(int misc_reg, const MiscReg &val, unsigned thread_id) { - return miscRegs[thread_id].setRegWithEffect(misc_reg, val, + miscRegs[thread_id].setRegWithEffect(misc_reg, val, cpu->tcBase(thread_id)); } -#if FULL_SYSTEM - int readIntrFlag() { return intrflag; } - /** Sets an interrupt flag. */ - void setIntrFlag(int val) { intrflag = val; } -#endif - public: /** (signed) integer register file. */ IntReg *intRegFile; diff --git a/src/cpu/o3/thread_context.hh b/src/cpu/o3/thread_context.hh index 9ca02b9f3..daee2fc7d 100755 --- a/src/cpu/o3/thread_context.hh +++ b/src/cpu/o3/thread_context.hh @@ -83,7 +83,7 @@ class O3ThreadContext : public ThreadContext virtual PhysicalMemory *getPhysMemPtr() { return cpu->physmem; } /** Returns a pointer to this thread's kernel statistics. */ - virtual Kernel::Statistics *getKernelStats() + virtual TheISA::Kernel::Statistics *getKernelStats() { return thread->kernelStats; } virtual FunctionalPort *getPhysPort() { return thread->getPhysPort(); } @@ -201,15 +201,15 @@ class O3ThreadContext : public ThreadContext /** Reads a misc. register, including any side-effects the * read might have as defined by the architecture. */ - virtual MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault) - { return cpu->readMiscRegWithEffect(misc_reg, fault, thread->readTid()); } + virtual MiscReg readMiscRegWithEffect(int misc_reg) + { return cpu->readMiscRegWithEffect(misc_reg, thread->readTid()); } /** Sets a misc. register. */ - virtual Fault setMiscReg(int misc_reg, const MiscReg &val); + virtual void setMiscReg(int misc_reg, const MiscReg &val); /** Sets a misc. register, including any side-effects the * write might have as defined by the architecture. */ - virtual Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val); + virtual void setMiscRegWithEffect(int misc_reg, const MiscReg &val); /** Returns the number of consecutive store conditional failures. */ // @todo: Figure out where these store cond failures should go. diff --git a/src/cpu/o3/thread_context_impl.hh b/src/cpu/o3/thread_context_impl.hh index 2bc194d53..8d623f5b8 100755 --- a/src/cpu/o3/thread_context_impl.hh +++ b/src/cpu/o3/thread_context_impl.hh @@ -194,7 +194,7 @@ void O3ThreadContext<Impl>::regStats(const std::string &name) { #if FULL_SYSTEM - thread->kernelStats = new Kernel::Statistics(cpu->system); + thread->kernelStats = new TheISA::Kernel::Statistics(cpu->system); thread->kernelStats->regStats(name + ".kern"); #endif } @@ -439,33 +439,28 @@ O3ThreadContext<Impl>::setNextPC(uint64_t val) } template <class Impl> -Fault +void O3ThreadContext<Impl>::setMiscReg(int misc_reg, const MiscReg &val) { - Fault ret_fault = cpu->setMiscReg(misc_reg, val, thread->readTid()); + cpu->setMiscReg(misc_reg, val, thread->readTid()); // Squash if we're not already in a state update mode. if (!thread->trapPending && !thread->inSyscall) { cpu->squashFromTC(thread->readTid()); } - - return ret_fault; } template <class Impl> -Fault +void O3ThreadContext<Impl>::setMiscRegWithEffect(int misc_reg, const MiscReg &val) { - Fault ret_fault = cpu->setMiscRegWithEffect(misc_reg, val, - thread->readTid()); + cpu->setMiscRegWithEffect(misc_reg, val, thread->readTid()); // Squash if we're not already in a state update mode. if (!thread->trapPending && !thread->inSyscall) { cpu->squashFromTC(thread->readTid()); } - - return ret_fault; } #if !FULL_SYSTEM diff --git a/src/cpu/o3/thread_state.hh b/src/cpu/o3/thread_state.hh index 5fe7bb94d..d8720b3ab 100644 --- a/src/cpu/o3/thread_state.hh +++ b/src/cpu/o3/thread_state.hh @@ -77,7 +77,7 @@ struct O3ThreadState : public ThreadState { #if FULL_SYSTEM O3ThreadState(O3CPU *_cpu, int _thread_num) - : ThreadState(-1, _thread_num), + : ThreadState(_cpu, -1, _thread_num), cpu(_cpu), inSyscall(0), trapPending(0) { if (cpu->params->profile) { @@ -95,9 +95,8 @@ struct O3ThreadState : public ThreadState { profilePC = 3; } #else - O3ThreadState(O3CPU *_cpu, int _thread_num, Process *_process, int _asid, - MemObject *mem) - : ThreadState(-1, _thread_num, _process, _asid, mem), + O3ThreadState(O3CPU *_cpu, int _thread_num, Process *_process, int _asid) + : ThreadState(_cpu, -1, _thread_num, _process, _asid), cpu(_cpu), inSyscall(0), trapPending(0) { } #endif diff --git a/src/cpu/ozone/checker_builder.cc b/src/cpu/ozone/checker_builder.cc index b4c4686b7..9ad1e639f 100644 --- a/src/cpu/ozone/checker_builder.cc +++ b/src/cpu/ozone/checker_builder.cc @@ -68,8 +68,8 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(OzoneChecker) Param<Tick> progress_interval; #if FULL_SYSTEM - SimObjectParam<AlphaITB *> itb; - SimObjectParam<AlphaDTB *> dtb; + SimObjectParam<TheISA::ITB *> itb; + SimObjectParam<TheISA::DTB *> dtb; SimObjectParam<System *> system; Param<int> cpu_id; Param<Tick> profile; diff --git a/src/cpu/ozone/cpu.hh b/src/cpu/ozone/cpu.hh index 70ec1d101..c1373944d 100644 --- a/src/cpu/ozone/cpu.hh +++ b/src/cpu/ozone/cpu.hh @@ -51,16 +51,21 @@ #if FULL_SYSTEM #include "arch/alpha/tlb.hh" -class AlphaITB; -class AlphaDTB; +namespace TheISA +{ + class ITB; + class DTB; +} class PhysicalMemory; class MemoryController; class RemoteGDB; class GDBListener; -namespace Kernel { - class Statistics; +namespace TheISA { + namespace Kernel { + class Statistics; + }; }; #else @@ -120,11 +125,11 @@ class OzoneCPU : public BaseCPU PhysicalMemory *getPhysMemPtr() { return cpu->physmem; } - AlphaITB *getITBPtr() { return cpu->itb; } + TheISA::ITB *getITBPtr() { return cpu->itb; } - AlphaDTB * getDTBPtr() { return cpu->dtb; } + TheISA::DTB * getDTBPtr() { return cpu->dtb; } - Kernel::Statistics *getKernelStats() + TheISA::Kernel::Statistics *getKernelStats() { return thread->getKernelStats(); } FunctionalPort *getPhysPort() { return thread->getPhysPort(); } @@ -224,11 +229,11 @@ class OzoneCPU : public BaseCPU // ISA stuff: MiscReg readMiscReg(int misc_reg); - MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault); + MiscReg readMiscRegWithEffect(int misc_reg); - Fault setMiscReg(int misc_reg, const MiscReg &val); + void setMiscReg(int misc_reg, const MiscReg &val); - Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val); + void setMiscRegWithEffect(int misc_reg, const MiscReg &val); unsigned readStCondFailures() { return thread->storeCondFailures; } @@ -236,10 +241,6 @@ class OzoneCPU : public BaseCPU void setStCondFailures(unsigned sc_failures) { thread->storeCondFailures = sc_failures; } -#if FULL_SYSTEM - bool inPalMode() { return cpu->inPalMode(); } -#endif - bool misspeculating() { return false; } #if !FULL_SYSTEM @@ -360,16 +361,14 @@ class OzoneCPU : public BaseCPU bool interval_stats; - AlphaITB *itb; - AlphaDTB *dtb; + TheISA::ITB *itb; + TheISA::DTB *dtb; System *system; PhysicalMemory *physmem; #endif virtual Port *getPort(const std::string &name, int idx); - MemObject *mem; - FrontEnd *frontEnd; BackEnd *backEnd; @@ -583,10 +582,6 @@ class OzoneCPU : public BaseCPU #if FULL_SYSTEM Fault hwrei(); - int readIntrFlag() { return thread.intrflag; } - void setIntrFlag(int val) { thread.intrflag = val; } - bool inPalMode() { return AlphaISA::PcPAL(thread.PC); } - bool inPalMode(Addr pc) { return AlphaISA::PcPAL(pc); } bool simPalCheck(int palFunc); void processInterrupts(); #else diff --git a/src/cpu/ozone/cpu_builder.cc b/src/cpu/ozone/cpu_builder.cc index 730158258..39337dbff 100644 --- a/src/cpu/ozone/cpu_builder.cc +++ b/src/cpu/ozone/cpu_builder.cc @@ -61,16 +61,14 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(DerivOzoneCPU) #if FULL_SYSTEM SimObjectParam<System *> system; Param<int> cpu_id; -SimObjectParam<AlphaITB *> itb; -SimObjectParam<AlphaDTB *> dtb; +SimObjectParam<TheISA::ITB *> itb; +SimObjectParam<TheISA::DTB *> dtb; Param<Tick> profile; #else SimObjectVectorParam<Process *> workload; //SimObjectParam<PageTable *> page_table; #endif // FULL_SYSTEM -SimObjectParam<MemObject *> mem; - SimObjectParam<BaseCPU *> checker; Param<Counter> max_insts_any_thread; @@ -191,8 +189,6 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(DerivOzoneCPU) // INIT_PARAM(page_table, "Page table"), #endif // FULL_SYSTEM - INIT_PARAM_DFLT(mem, "Memory", NULL), - INIT_PARAM_DFLT(checker, "Checker CPU", NULL), INIT_PARAM_DFLT(max_insts_any_thread, @@ -350,7 +346,6 @@ CREATE_SIM_OBJECT(DerivOzoneCPU) // params->pTable = page_table; #endif // FULL_SYSTEM - params->mem = mem; params->checker = checker; params->max_insts_any_thread = max_insts_any_thread; params->max_insts_all_threads = max_insts_all_threads; diff --git a/src/cpu/ozone/cpu_impl.hh b/src/cpu/ozone/cpu_impl.hh index bf547bf94..86c973a0f 100644 --- a/src/cpu/ozone/cpu_impl.hh +++ b/src/cpu/ozone/cpu_impl.hh @@ -47,12 +47,12 @@ #if FULL_SYSTEM #include "arch/faults.hh" #include "arch/alpha/osfpal.hh" -#include "arch/alpha/tlb.hh" -#include "arch/alpha/types.hh" +#include "arch/tlb.hh" +#include "arch/types.hh" +#include "arch/kernel_stats.hh" #include "arch/vtophys.hh" #include "base/callback.hh" #include "cpu/profile.hh" -#include "kern/kernel_stats.hh" #include "mem/physical.hh" #include "sim/faults.hh" #include "sim/sim_events.hh" @@ -93,10 +93,10 @@ OzoneCPU<Impl>::OzoneCPU(Params *p) #if FULL_SYSTEM : BaseCPU(p), thread(this, 0), tickEvent(this, p->width), #else - : BaseCPU(p), thread(this, 0, p->workload[0], 0, p->mem), + : BaseCPU(p), thread(this, 0, p->workload[0], 0), tickEvent(this, p->width), #endif - mem(p->mem), comm(5, 5) + comm(5, 5) { frontEnd = new FrontEnd(p); backEnd = new BackEnd(p); @@ -107,7 +107,6 @@ OzoneCPU<Impl>::OzoneCPU(Params *p) #if USE_CHECKER BaseCPU *temp_checker = p->checker; checker = dynamic_cast<Checker<DynInstPtr> *>(temp_checker); - checker->setMemory(mem); #if FULL_SYSTEM checker->setSystem(p->system); #endif @@ -198,19 +197,7 @@ OzoneCPU<Impl>::OzoneCPU(Params *p) frontEnd->renameTable.copyFrom(thread.renameTable); backEnd->renameTable.copyFrom(thread.renameTable); -#if !FULL_SYSTEM - /* Use this port to for syscall emulation writes to memory. */ - Port *mem_port; - TranslatingPort *trans_port; - trans_port = new TranslatingPort(csprintf("%s-%d-funcport", - name(), 0), - p->workload[0]->pTable, - false); - mem_port = p->mem->getPort("functional"); - mem_port->setPeer(trans_port); - trans_port->setPeer(mem_port); - thread.setMemPort(trans_port); -#else +#if FULL_SYSTEM Port *mem_port; FunctionalPort *phys_port; VirtualPort *virt_port; @@ -904,7 +891,7 @@ void OzoneCPU<Impl>::OzoneTC::regStats(const std::string &name) { #if FULL_SYSTEM - thread->kernelStats = new Kernel::Statistics(cpu->system); + thread->kernelStats = new TheISA::Kernel::Statistics(cpu->system); thread->kernelStats->regStats(name + ".kern"); #endif } @@ -1156,37 +1143,31 @@ OzoneCPU<Impl>::OzoneTC::readMiscReg(int misc_reg) template <class Impl> TheISA::MiscReg -OzoneCPU<Impl>::OzoneTC::readMiscRegWithEffect(int misc_reg, Fault &fault) +OzoneCPU<Impl>::OzoneTC::readMiscRegWithEffect(int misc_reg) { - return thread->miscRegFile.readRegWithEffect(misc_reg, - fault, this); + return thread->miscRegFile.readRegWithEffect(misc_reg, this); } template <class Impl> -Fault +void OzoneCPU<Impl>::OzoneTC::setMiscReg(int misc_reg, const MiscReg &val) { // Needs to setup a squash event unless we're in syscall mode - Fault ret_fault = thread->miscRegFile.setReg(misc_reg, val); + thread->miscRegFile.setReg(misc_reg, val); if (!thread->inSyscall) { cpu->squashFromTC(); } - - return ret_fault; } template <class Impl> -Fault +void OzoneCPU<Impl>::OzoneTC::setMiscRegWithEffect(int misc_reg, const MiscReg &val) { // Needs to setup a squash event unless we're in syscall mode - Fault ret_fault = thread->miscRegFile.setRegWithEffect(misc_reg, val, - this); + thread->miscRegFile.setRegWithEffect(misc_reg, val, this); if (!thread->inSyscall) { cpu->squashFromTC(); } - - return ret_fault; } diff --git a/src/cpu/ozone/dyn_inst.hh b/src/cpu/ozone/dyn_inst.hh index e7390626e..9445a5309 100644 --- a/src/cpu/ozone/dyn_inst.hh +++ b/src/cpu/ozone/dyn_inst.hh @@ -230,17 +230,14 @@ class OzoneDynInst : public BaseDynInst<Impl> // ISA stuff MiscReg readMiscReg(int misc_reg); - MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault); + MiscReg readMiscRegWithEffect(int misc_reg); - Fault setMiscReg(int misc_reg, const MiscReg &val); + void setMiscReg(int misc_reg, const MiscReg &val); - Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val); + void setMiscRegWithEffect(int misc_reg, const MiscReg &val); #if FULL_SYSTEM Fault hwrei(); - int readIntrFlag(); - void setIntrFlag(int val); - bool inPalMode(); void trap(Fault fault); bool simPalCheck(int palFunc); #else diff --git a/src/cpu/ozone/dyn_inst_impl.hh b/src/cpu/ozone/dyn_inst_impl.hh index 9d42ab05b..05a66d77a 100644 --- a/src/cpu/ozone/dyn_inst_impl.hh +++ b/src/cpu/ozone/dyn_inst_impl.hh @@ -31,7 +31,10 @@ #include "sim/faults.hh" #include "config/full_system.hh" #include "cpu/ozone/dyn_inst.hh" + +#if FULL_SYSTEM #include "kern/kernel_stats.hh" +#endif template <class Impl> OzoneDynInst<Impl>::OzoneDynInst(OzoneCPU *cpu) @@ -223,24 +226,24 @@ OzoneDynInst<Impl>::readMiscReg(int misc_reg) template <class Impl> TheISA::MiscReg -OzoneDynInst<Impl>::readMiscRegWithEffect(int misc_reg, Fault &fault) +OzoneDynInst<Impl>::readMiscRegWithEffect(int misc_reg) { - return this->thread->readMiscRegWithEffect(misc_reg, fault); + return this->thread->readMiscRegWithEffect(misc_reg); } template <class Impl> -Fault +void OzoneDynInst<Impl>::setMiscReg(int misc_reg, const MiscReg &val) { this->setIntResult(val); - return this->thread->setMiscReg(misc_reg, val); + this->thread->setMiscReg(misc_reg, val); } template <class Impl> -Fault +void OzoneDynInst<Impl>::setMiscRegWithEffect(int misc_reg, const MiscReg &val) { - return this->thread->setMiscRegWithEffect(misc_reg, val); + this->thread->setMiscRegWithEffect(misc_reg, val); } #if FULL_SYSTEM @@ -249,7 +252,7 @@ template <class Impl> Fault OzoneDynInst<Impl>::hwrei() { - if (!this->cpu->inPalMode(this->readPC())) + if (!(this->readPC() & 0x3)) return new AlphaISA::UnimplementedOpcodeFault; this->setNextPC(this->thread->readMiscReg(AlphaISA::IPR_EXC_ADDR)); @@ -261,27 +264,6 @@ OzoneDynInst<Impl>::hwrei() } template <class Impl> -int -OzoneDynInst<Impl>::readIntrFlag() -{ -return this->cpu->readIntrFlag(); -} - -template <class Impl> -void -OzoneDynInst<Impl>::setIntrFlag(int val) -{ - this->cpu->setIntrFlag(val); -} - -template <class Impl> -bool -OzoneDynInst<Impl>::inPalMode() -{ - return this->cpu->inPalMode(); -} - -template <class Impl> void OzoneDynInst<Impl>::trap(Fault fault) { diff --git a/src/cpu/ozone/front_end.hh b/src/cpu/ozone/front_end.hh index 2bdca35b9..e09e4de9c 100644 --- a/src/cpu/ozone/front_end.hh +++ b/src/cpu/ozone/front_end.hh @@ -208,8 +208,6 @@ class FrontEnd IcachePort icachePort; - MemObject *mem; - RequestPtr memReq; /** Mask to get a cache block's address. */ diff --git a/src/cpu/ozone/front_end_impl.hh b/src/cpu/ozone/front_end_impl.hh index 60c954517..73ca6afbe 100644 --- a/src/cpu/ozone/front_end_impl.hh +++ b/src/cpu/ozone/front_end_impl.hh @@ -91,7 +91,6 @@ template <class Impl> FrontEnd<Impl>::FrontEnd(Params *params) : branchPred(params), icachePort(this), - mem(params->mem), numInstsReady(params->frontEndLatency, 0), instBufferSize(0), maxInstBufferSize(params->maxInstBufferSize), @@ -463,15 +462,10 @@ Fault FrontEnd<Impl>::fetchCacheLine() { // Read a cache line, based on the current PC. -#if FULL_SYSTEM - // Flag to say whether or not address is physical addr. - unsigned flags = cpu->inPalMode(PC) ? PHYSICAL : 0; -#else - unsigned flags = 0; -#endif // FULL_SYSTEM Fault fault = NoFault; - if (interruptPending && flags == 0) { + //AlphaDep + if (interruptPending && (PC & 0x3)) { return fault; } @@ -883,7 +877,11 @@ FrontEnd<Impl>::getInstFromCacheline() // Get the instruction from the array of the cache line. inst = htog(*reinterpret_cast<MachInst *>(&cacheData[offset])); +#if THE_ISA == ALPHA_ISA + ExtMachInst decode_inst = TheISA::makeExtMI(inst, PC); +#elif THE_ISA == SPARC_ISA ExtMachInst decode_inst = TheISA::makeExtMI(inst, tc); +#endif // Create a new DynInst from the instruction fetched. DynInstPtr instruction = new DynInst(decode_inst, PC, PC+sizeof(MachInst), diff --git a/src/cpu/ozone/inorder_back_end_impl.hh b/src/cpu/ozone/inorder_back_end_impl.hh index 8aef9c074..87bf0a7a2 100644 --- a/src/cpu/ozone/inorder_back_end_impl.hh +++ b/src/cpu/ozone/inorder_back_end_impl.hh @@ -152,11 +152,11 @@ InorderBackEnd<Impl>::tick() #if FULL_SYSTEM if (interruptBlocked || (cpu->checkInterrupts && - cpu->check_interrupts() && - !cpu->inPalMode())) { + cpu->check_interrupts(tc))) { if (!robEmpty()) { interruptBlocked = true; - } else if (robEmpty() && cpu->inPalMode()) { + //AlphaDep + } else if (robEmpty() && (PC & 0x3)) { // Will need to let the front end continue a bit until // we're out of pal mode. Hopefully we never get into an // infinite loop... diff --git a/src/cpu/ozone/lw_back_end_impl.hh b/src/cpu/ozone/lw_back_end_impl.hh index c39b9e08b..a181c93f4 100644 --- a/src/cpu/ozone/lw_back_end_impl.hh +++ b/src/cpu/ozone/lw_back_end_impl.hh @@ -526,8 +526,7 @@ void LWBackEnd<Impl>::checkInterrupts() { if (cpu->checkInterrupts && - cpu->check_interrupts() && - !cpu->inPalMode(thread->readPC()) && + cpu->check_interrupts(tc) && !trapSquash && !tcSquash) { frontEnd->interruptPending = true; diff --git a/src/cpu/ozone/lw_lsq.hh b/src/cpu/ozone/lw_lsq.hh index dc58a8285..7e6849668 100644 --- a/src/cpu/ozone/lw_lsq.hh +++ b/src/cpu/ozone/lw_lsq.hh @@ -239,8 +239,6 @@ class OzoneLWLSQ { /** Pointer to the back-end stage. */ BackEnd *be; - MemObject *mem; - class DcachePort : public Port { protected: diff --git a/src/cpu/ozone/lw_lsq_impl.hh b/src/cpu/ozone/lw_lsq_impl.hh index 1f3f18502..ee1968626 100644 --- a/src/cpu/ozone/lw_lsq_impl.hh +++ b/src/cpu/ozone/lw_lsq_impl.hh @@ -154,8 +154,6 @@ OzoneLWLSQ<Impl>::init(Params *params, unsigned maxLQEntries, SQIndices.push(i); } - mem = params->mem; - usedPorts = 0; cachePorts = params->cachePorts; diff --git a/src/cpu/ozone/simple_cpu_builder.cc b/src/cpu/ozone/simple_cpu_builder.cc index baaf7c708..e7214d2ba 100644 --- a/src/cpu/ozone/simple_cpu_builder.cc +++ b/src/cpu/ozone/simple_cpu_builder.cc @@ -64,8 +64,8 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(SimpleOzoneCPU) #if FULL_SYSTEM SimObjectParam<System *> system; Param<int> cpu_id; -SimObjectParam<AlphaITB *> itb; -SimObjectParam<AlphaDTB *> dtb; +SimObjectParam<TheISA::ITB *> itb; +SimObjectParam<TheISA::DTB *> dtb; #else SimObjectVectorParam<Process *> workload; //SimObjectParam<PageTable *> page_table; diff --git a/src/cpu/ozone/simple_params.hh b/src/cpu/ozone/simple_params.hh index 3f63d2e1d..d5ba6a923 100644 --- a/src/cpu/ozone/simple_params.hh +++ b/src/cpu/ozone/simple_params.hh @@ -34,8 +34,11 @@ #include "cpu/ozone/cpu.hh" //Forward declarations -class AlphaDTB; -class AlphaITB; +namespace TheISA +{ + class DTB; + class ITB; +} class FUPool; class MemObject; class PageTable; @@ -53,7 +56,7 @@ class SimpleParams : public BaseCPU::Params public: #if FULL_SYSTEM - AlphaITB *itb; AlphaDTB *dtb; + TheISA::ITB *itb; TheISA::DTB *dtb; #else std::vector<Process *> workload; #endif // FULL_SYSTEM @@ -61,8 +64,6 @@ class SimpleParams : public BaseCPU::Params //Page Table PageTable *pTable; - MemObject *mem; - // // Caches // diff --git a/src/cpu/ozone/thread_state.hh b/src/cpu/ozone/thread_state.hh index 985e09b52..a71795851 100644 --- a/src/cpu/ozone/thread_state.hh +++ b/src/cpu/ozone/thread_state.hh @@ -67,7 +67,7 @@ struct OzoneThreadState : public ThreadState { #if FULL_SYSTEM OzoneThreadState(CPUType *_cpu, int _thread_num) - : ThreadState(-1, _thread_num), + : ThreadState(_cpu, -1, _thread_num), intrflag(0), cpu(_cpu), inSyscall(0), trapPending(0) { if (cpu->params->profile) { @@ -87,8 +87,8 @@ struct OzoneThreadState : public ThreadState { } #else OzoneThreadState(CPUType *_cpu, int _thread_num, Process *_process, - int _asid, MemObject *mem) - : ThreadState(-1, _thread_num, _process, _asid, mem), + int _asid) + : ThreadState(_cpu, -1, _thread_num, _process, _asid), cpu(_cpu), inSyscall(0), trapPending(0) { miscRegFile.clear(); @@ -120,19 +120,19 @@ struct OzoneThreadState : public ThreadState { return miscRegFile.readReg(misc_reg); } - MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault) + MiscReg readMiscRegWithEffect(int misc_reg) { - return miscRegFile.readRegWithEffect(misc_reg, fault, tc); + return miscRegFile.readRegWithEffect(misc_reg, tc); } - Fault setMiscReg(int misc_reg, const MiscReg &val) + void setMiscReg(int misc_reg, const MiscReg &val) { - return miscRegFile.setReg(misc_reg, val); + miscRegFile.setReg(misc_reg, val); } - Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val) + void setMiscRegWithEffect(int misc_reg, const MiscReg &val) { - return miscRegFile.setRegWithEffect(misc_reg, val, tc); + miscRegFile.setRegWithEffect(misc_reg, val, tc); } uint64_t readPC() diff --git a/src/cpu/pc_event.hh b/src/cpu/pc_event.hh index 6b048b2c2..3709dcd59 100644 --- a/src/cpu/pc_event.hh +++ b/src/cpu/pc_event.hh @@ -35,6 +35,7 @@ #include <vector> #include "base/misc.hh" +#include "sim/host.hh" class ThreadContext; class PCEventQueue; diff --git a/src/cpu/profile.hh b/src/cpu/profile.hh index 7f9625241..27bb4efec 100644 --- a/src/cpu/profile.hh +++ b/src/cpu/profile.hh @@ -33,9 +33,9 @@ #include <map> +#include "arch/stacktrace.hh" #include "cpu/static_inst.hh" #include "sim/host.hh" -#include "arch/stacktrace.hh" class ThreadContext; @@ -66,7 +66,7 @@ class FunctionProfile const SymbolTable *symtab; ProfileNode top; std::map<Addr, Counter> pc_count; - StackTrace trace; + TheISA::StackTrace trace; public: FunctionProfile(const SymbolTable *symtab); diff --git a/src/cpu/simple/atomic.cc b/src/cpu/simple/atomic.cc index 11e4d2acb..4f68cfd6f 100644 --- a/src/cpu/simple/atomic.cc +++ b/src/cpu/simple/atomic.cc @@ -72,15 +72,6 @@ AtomicSimpleCPU::getPort(const std::string &if_name, int idx) void AtomicSimpleCPU::init() { - //Create Memory Ports (conect them up) -// Port *mem_dport = mem->getPort(""); -// dcachePort.setPeer(mem_dport); -// mem_dport->setPeer(&dcachePort); - -// Port *mem_iport = mem->getPort(""); -// icachePort.setPeer(mem_iport); -// mem_iport->setPeer(&icachePort); - BaseCPU::init(); #if FULL_SYSTEM for (int i = 0; i < threadContexts.size(); ++i) { @@ -189,9 +180,7 @@ AtomicSimpleCPU::resume() changeState(SimObject::Running); if (thread->status() == ThreadContext::Active) { if (!tickEvent.scheduled()) { - Tick nextTick = curTick + cycles(1) - 1; - nextTick -= (nextTick % (cycles(1))); - tickEvent.schedule(nextTick); + tickEvent.schedule(nextCycle()); } } } @@ -220,9 +209,7 @@ AtomicSimpleCPU::takeOverFrom(BaseCPU *oldCPU) ThreadContext *tc = threadContexts[i]; if (tc->status() == ThreadContext::Active && _status != Running) { _status = Running; - Tick nextTick = curTick + cycles(1) - 1; - nextTick -= (nextTick % (cycles(1))); - tickEvent.schedule(nextTick); + tickEvent.schedule(nextCycle()); break; } } @@ -240,9 +227,7 @@ AtomicSimpleCPU::activateContext(int thread_num, int delay) notIdleFraction++; //Make sure ticks are still on multiples of cycles - Tick nextTick = curTick + cycles(delay + 1) - 1; - nextTick -= (nextTick % (cycles(1))); - tickEvent.schedule(nextTick); + tickEvent.schedule(nextCycle(curTick + cycles(delay))); _status = Running; } @@ -508,13 +493,12 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(AtomicSimpleCPU) Param<Counter> max_loads_any_thread; Param<Counter> max_loads_all_threads; Param<Tick> progress_interval; - SimObjectParam<MemObject *> mem; SimObjectParam<System *> system; Param<int> cpu_id; #if FULL_SYSTEM - SimObjectParam<AlphaITB *> itb; - SimObjectParam<AlphaDTB *> dtb; + SimObjectParam<TheISA::ITB *> itb; + SimObjectParam<TheISA::DTB *> dtb; Param<Tick> profile; #else SimObjectParam<Process *> workload; @@ -541,7 +525,6 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(AtomicSimpleCPU) INIT_PARAM(max_loads_all_threads, "terminate when all threads have reached this load count"), INIT_PARAM(progress_interval, "Progress interval"), - INIT_PARAM(mem, "memory"), INIT_PARAM(system, "system object"), INIT_PARAM(cpu_id, "processor ID"), @@ -579,7 +562,6 @@ CREATE_SIM_OBJECT(AtomicSimpleCPU) params->functionTraceStart = function_trace_start; params->width = width; params->simulate_stalls = simulate_stalls; - params->mem = mem; params->system = system; params->cpu_id = cpu_id; diff --git a/src/cpu/simple/atomic.hh b/src/cpu/simple/atomic.hh index 0edca9369..166a18127 100644 --- a/src/cpu/simple/atomic.hh +++ b/src/cpu/simple/atomic.hh @@ -87,7 +87,7 @@ class AtomicSimpleCPU : public BaseSimpleCPU public: CpuPort(const std::string &_name, AtomicSimpleCPU *_cpu) - : Port(_name), cpu(_cpu) + : Port(_name, _cpu), cpu(_cpu) { } protected: diff --git a/src/cpu/simple/base.cc b/src/cpu/simple/base.cc index 253d33243..ab438aa77 100644 --- a/src/cpu/simple/base.cc +++ b/src/cpu/simple/base.cc @@ -46,7 +46,6 @@ #include "cpu/smt.hh" #include "cpu/static_inst.hh" #include "cpu/thread_context.hh" -#include "kern/kernel_stats.hh" #include "mem/packet.hh" #include "sim/builder.hh" #include "sim/byteswap.hh" @@ -58,10 +57,11 @@ #include "sim/system.hh" #if FULL_SYSTEM -#include "base/remote_gdb.hh" -#include "arch/tlb.hh" +#include "arch/kernel_stats.hh" #include "arch/stacktrace.hh" +#include "arch/tlb.hh" #include "arch/vtophys.hh" +#include "base/remote_gdb.hh" #else // !FULL_SYSTEM #include "mem/mem_object.hh" #endif // FULL_SYSTEM @@ -70,13 +70,13 @@ using namespace std; using namespace TheISA; BaseSimpleCPU::BaseSimpleCPU(Params *p) - : BaseCPU(p), mem(p->mem), thread(NULL) + : BaseCPU(p), thread(NULL) { #if FULL_SYSTEM thread = new SimpleThread(this, 0, p->system, p->itb, p->dtb); #else thread = new SimpleThread(this, /* thread_num */ 0, p->process, - /* asid */ 0, mem); + /* asid */ 0); #endif // !FULL_SYSTEM thread->setStatus(ThreadContext::Suspended); @@ -311,43 +311,12 @@ void BaseSimpleCPU::checkForInterrupts() { #if FULL_SYSTEM - if (checkInterrupts && check_interrupts() && !thread->inPalMode()) { - int ipl = 0; - int summary = 0; - checkInterrupts = false; - - if (thread->readMiscReg(IPR_SIRR)) { - for (int i = INTLEVEL_SOFTWARE_MIN; - i < INTLEVEL_SOFTWARE_MAX; i++) { - if (thread->readMiscReg(IPR_SIRR) & (ULL(1) << i)) { - // See table 4-19 of 21164 hardware reference - ipl = (i - INTLEVEL_SOFTWARE_MIN) + 1; - summary |= (ULL(1) << i); - } - } - } - - uint64_t interrupts = thread->cpu->intr_status(); - for (int i = INTLEVEL_EXTERNAL_MIN; - i < INTLEVEL_EXTERNAL_MAX; i++) { - if (interrupts & (ULL(1) << i)) { - // See table 4-19 of 21164 hardware reference - ipl = i; - summary |= (ULL(1) << i); - } - } - - if (thread->readMiscReg(IPR_ASTRR)) - panic("asynchronous traps not implemented\n"); - - if (ipl && ipl > thread->readMiscReg(IPR_IPLR)) { - thread->setMiscReg(IPR_ISR, summary); - thread->setMiscReg(IPR_INTID, ipl); + if (checkInterrupts && check_interrupts(tc)) { + Fault interrupt = interrupts.getInterrupt(tc); - Fault(new InterruptFault)->invoke(tc); - - DPRINTF(Flow, "Interrupt! IPLR=%d ipl=%d summary=%x\n", - thread->readMiscReg(IPR_IPLR), ipl, summary); + if (interrupt != NoFault) { + checkInterrupts = false; + interrupt->invoke(tc); } } #endif @@ -398,7 +367,15 @@ BaseSimpleCPU::preExecute() inst = gtoh(inst); //If we're not in the middle of a macro instruction if (!curMacroStaticInst) { +#if THE_ISA == ALPHA_ISA + StaticInstPtr instPtr = StaticInst::decode(makeExtMI(inst, thread->readPC())); +#elif THE_ISA == SPARC_ISA StaticInstPtr instPtr = StaticInst::decode(makeExtMI(inst, thread->getTC())); +#elif THE_ISA == MIPS_ISA + //Mips doesn't do anything in it's MakeExtMI function right now, + //so it won't be called. + StaticInstPtr instPtr = StaticInst::decode(inst); +#endif if (instPtr->isMacroOp()) { curMacroStaticInst = instPtr; curStaticInst = curMacroStaticInst-> @@ -430,8 +407,7 @@ BaseSimpleCPU::postExecute() { #if FULL_SYSTEM if (thread->profile) { - bool usermode = - (thread->readMiscReg(AlphaISA::IPR_DTB_CM) & 0x18) != 0; + bool usermode = TheISA::inUserMode(tc); thread->profilePC = usermode ? 1 : thread->readPC(); ProfileNode *node = thread->profile->consume(tc, inst); if (node) diff --git a/src/cpu/simple/base.hh b/src/cpu/simple/base.hh index af6b6f835..efb884325 100644 --- a/src/cpu/simple/base.hh +++ b/src/cpu/simple/base.hh @@ -47,8 +47,11 @@ // forward declarations #if FULL_SYSTEM class Processor; -class AlphaITB; -class AlphaDTB; +namespace TheISA +{ + class ITB; + class DTB; +} class MemObject; class RemoteGDB; @@ -76,8 +79,6 @@ class BaseSimpleCPU : public BaseCPU typedef TheISA::FloatReg FloatReg; typedef TheISA::FloatRegBits FloatRegBits; - MemObject *mem; - protected: Trace::InstRecord *traceData; @@ -95,10 +96,9 @@ class BaseSimpleCPU : public BaseCPU public: struct Params : public BaseCPU::Params { - MemObject *mem; #if FULL_SYSTEM - AlphaITB *itb; - AlphaDTB *dtb; + TheISA::ITB *itb; + TheISA::DTB *dtb; #else Process *process; #endif @@ -285,26 +285,23 @@ class BaseSimpleCPU : public BaseCPU return thread->readMiscReg(misc_reg); } - MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault) + MiscReg readMiscRegWithEffect(int misc_reg) { - return thread->readMiscRegWithEffect(misc_reg, fault); + return thread->readMiscRegWithEffect(misc_reg); } - Fault setMiscReg(int misc_reg, const MiscReg &val) + void setMiscReg(int misc_reg, const MiscReg &val) { return thread->setMiscReg(misc_reg, val); } - Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val) + void setMiscRegWithEffect(int misc_reg, const MiscReg &val) { return thread->setMiscRegWithEffect(misc_reg, val); } #if FULL_SYSTEM Fault hwrei() { return thread->hwrei(); } - int readIntrFlag() { return thread->readIntrFlag(); } - void setIntrFlag(int val) { thread->setIntrFlag(val); } - bool inPalMode() { return thread->inPalMode(); } void ev5_trap(Fault fault) { fault->invoke(tc); } bool simPalCheck(int palFunc) { return thread->simPalCheck(palFunc); } #else diff --git a/src/cpu/simple/timing.cc b/src/cpu/simple/timing.cc index fe6775ea4..abf316095 100644 --- a/src/cpu/simple/timing.cc +++ b/src/cpu/simple/timing.cc @@ -532,14 +532,13 @@ TimingSimpleCPU::IcachePort::recvTiming(PacketPtr pkt) { if (pkt->isResponse()) { // delay processing of returned data until next CPU clock edge - Tick time = pkt->req->getTime(); - while (time < curTick) - time += lat; + Tick mem_time = pkt->req->getTime(); + Tick next_tick = cpu->nextCycle(mem_time); - if (time == curTick) + if (next_tick == curTick) cpu->completeIfetch(pkt); else - tickEvent.schedule(pkt, time); + tickEvent.schedule(pkt, next_tick); return true; } @@ -610,14 +609,13 @@ TimingSimpleCPU::DcachePort::recvTiming(PacketPtr pkt) { if (pkt->isResponse()) { // delay processing of returned data until next CPU clock edge - Tick time = pkt->req->getTime(); - while (time < curTick) - time += lat; + Tick mem_time = pkt->req->getTime(); + Tick next_tick = cpu->nextCycle(mem_time); - if (time == curTick) + if (next_tick == curTick) cpu->completeDataAccess(pkt); else - tickEvent.schedule(pkt, time); + tickEvent.schedule(pkt, next_tick); return true; } @@ -660,13 +658,12 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(TimingSimpleCPU) Param<Counter> max_loads_any_thread; Param<Counter> max_loads_all_threads; Param<Tick> progress_interval; - SimObjectParam<MemObject *> mem; SimObjectParam<System *> system; Param<int> cpu_id; #if FULL_SYSTEM - SimObjectParam<AlphaITB *> itb; - SimObjectParam<AlphaDTB *> dtb; + SimObjectParam<TheISA::ITB *> itb; + SimObjectParam<TheISA::DTB *> dtb; Param<Tick> profile; #else SimObjectParam<Process *> workload; @@ -693,7 +690,6 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(TimingSimpleCPU) INIT_PARAM(max_loads_all_threads, "terminate when all threads have reached this load count"), INIT_PARAM(progress_interval, "Progress interval"), - INIT_PARAM(mem, "memory"), INIT_PARAM(system, "system object"), INIT_PARAM(cpu_id, "processor ID"), @@ -729,7 +725,6 @@ CREATE_SIM_OBJECT(TimingSimpleCPU) params->clock = clock; params->functionTrace = function_trace; params->functionTraceStart = function_trace_start; - params->mem = mem; params->system = system; params->cpu_id = cpu_id; diff --git a/src/cpu/simple/timing.hh b/src/cpu/simple/timing.hh index 577e13e40..408fa315e 100644 --- a/src/cpu/simple/timing.hh +++ b/src/cpu/simple/timing.hh @@ -79,7 +79,7 @@ class TimingSimpleCPU : public BaseSimpleCPU public: CpuPort(const std::string &_name, TimingSimpleCPU *_cpu, Tick _lat) - : Port(_name), cpu(_cpu), lat(_lat) + : Port(_name, _cpu), cpu(_cpu), lat(_lat) { } protected: @@ -166,6 +166,8 @@ class TimingSimpleCPU : public BaseSimpleCPU PacketPtr ifetch_pkt; PacketPtr dcache_pkt; + + int cpu_id; Tick previousTick; diff --git a/src/cpu/simple_thread.cc b/src/cpu/simple_thread.cc index 4fc47c982..1edcbf352 100644 --- a/src/cpu/simple_thread.cc +++ b/src/cpu/simple_thread.cc @@ -39,13 +39,13 @@ #include "cpu/thread_context.hh" #if FULL_SYSTEM +#include "arch/kernel_stats.hh" #include "base/callback.hh" #include "base/cprintf.hh" #include "base/output.hh" #include "base/trace.hh" #include "cpu/profile.hh" #include "cpu/quiesce_event.hh" -#include "kern/kernel_stats.hh" #include "sim/serialize.hh" #include "sim/sim_exit.hh" #include "arch/stacktrace.hh" @@ -60,9 +60,9 @@ using namespace std; // constructor #if FULL_SYSTEM SimpleThread::SimpleThread(BaseCPU *_cpu, int _thread_num, System *_sys, - AlphaITB *_itb, AlphaDTB *_dtb, + TheISA::ITB *_itb, TheISA::DTB *_dtb, bool use_kernel_stats) - : ThreadState(-1, _thread_num), cpu(_cpu), system(_sys), itb(_itb), + : ThreadState(_cpu, -1, _thread_num), cpu(_cpu), system(_sys), itb(_itb), dtb(_dtb) { @@ -87,7 +87,7 @@ SimpleThread::SimpleThread(BaseCPU *_cpu, int _thread_num, System *_sys, profilePC = 3; if (use_kernel_stats) { - kernelStats = new Kernel::Statistics(system); + kernelStats = new TheISA::Kernel::Statistics(system); } else { kernelStats = NULL; } @@ -106,19 +106,10 @@ SimpleThread::SimpleThread(BaseCPU *_cpu, int _thread_num, System *_sys, } #else SimpleThread::SimpleThread(BaseCPU *_cpu, int _thread_num, - Process *_process, int _asid, MemObject* memobj) - : ThreadState(-1, _thread_num, _process, _asid, memobj), + Process *_process, int _asid) + : ThreadState(_cpu, -1, _thread_num, _process, _asid), cpu(_cpu) { - /* Use this port to for syscall emulation writes to memory. */ - Port *mem_port; - port = new TranslatingPort(csprintf("%s-%d-funcport", - cpu->name(), tid), - process->pTable, false); - mem_port = memobj->getPort("functional"); - mem_port->setPeer(port); - port->setPeer(mem_port); - regs.clear(); tc = new ProxyThreadContext<SimpleThread>(this); } @@ -127,9 +118,9 @@ SimpleThread::SimpleThread(BaseCPU *_cpu, int _thread_num, SimpleThread::SimpleThread() #if FULL_SYSTEM - : ThreadState(-1, -1) + : ThreadState(NULL, -1, -1) #else - : ThreadState(-1, -1, NULL, -1, NULL) + : ThreadState(NULL, -1, -1, NULL, -1) #endif { tc = new ProxyThreadContext<SimpleThread>(this); @@ -138,6 +129,10 @@ SimpleThread::SimpleThread() SimpleThread::~SimpleThread() { +#if FULL_SYSTEM + delete physPort; + delete virtPort; +#endif delete tc; } @@ -163,7 +158,7 @@ SimpleThread::takeOverFrom(ThreadContext *oldContext) quiesceEvent->tc = tc; } - Kernel::Statistics *stats = oldContext->getKernelStats(); + TheISA::Kernel::Statistics *stats = oldContext->getKernelStats(); if (stats) { kernelStats = stats; } @@ -184,7 +179,7 @@ SimpleThread::copyTC(ThreadContext *context) if (quiesce) { quiesceEvent = quiesce; } - Kernel::Statistics *stats = context->getKernelStats(); + TheISA::Kernel::Statistics *stats = context->getKernelStats(); if (stats) { kernelStats = stats; } @@ -313,11 +308,9 @@ SimpleThread::getVirtPort(ThreadContext *src_tc) if (!src_tc) return virtPort; - VirtualPort *vp; - Port *mem_port; + VirtualPort *vp = new VirtualPort("tc-vport", src_tc); + Port *mem_port = getMemFuncPort(); - vp = new VirtualPort("tc-vport", src_tc); - mem_port = system->physmem->getPort("functional"); mem_port->setPeer(vp); vp->setPeer(mem_port); return vp; @@ -332,6 +325,5 @@ SimpleThread::delVirtPort(VirtualPort *vp) } } - #endif diff --git a/src/cpu/simple_thread.hh b/src/cpu/simple_thread.hh index fe22e6c43..e8757c8c2 100644 --- a/src/cpu/simple_thread.hh +++ b/src/cpu/simple_thread.hh @@ -55,8 +55,10 @@ class ProfileNode; class FunctionalPort; class PhysicalPort; -namespace Kernel { - class Statistics; +namespace TheISA { + namespace Kernel { + class Statistics; + }; }; #else // !FULL_SYSTEM @@ -107,18 +109,17 @@ class SimpleThread : public ThreadState System *system; #if FULL_SYSTEM - AlphaITB *itb; - AlphaDTB *dtb; + TheISA::ITB *itb; + TheISA::DTB *dtb; #endif // constructor: initialize SimpleThread from given process structure #if FULL_SYSTEM SimpleThread(BaseCPU *_cpu, int _thread_num, System *_system, - AlphaITB *_itb, AlphaDTB *_dtb, + TheISA::ITB *_itb, TheISA::DTB *_dtb, bool use_kernel_stats = true); #else - SimpleThread(BaseCPU *_cpu, int _thread_num, Process *_process, int _asid, - MemObject *memobj); + SimpleThread(BaseCPU *_cpu, int _thread_num, Process *_process, int _asid); #endif SimpleThread(); @@ -168,12 +169,11 @@ class SimpleThread : public ThreadState void dumpFuncProfile(); - int readIntrFlag() { return regs.intrflag; } - void setIntrFlag(int val) { regs.intrflag = val; } Fault hwrei(); bool simPalCheck(int palFunc); #else + Fault translateInstReq(RequestPtr &req) { return process->pTable->translate(req); @@ -201,9 +201,9 @@ class SimpleThread : public ThreadState #if FULL_SYSTEM System *getSystemPtr() { return system; } - AlphaITB *getITBPtr() { return itb; } + TheISA::ITB *getITBPtr() { return itb; } - AlphaDTB *getDTBPtr() { return dtb; } + TheISA::DTB *getDTBPtr() { return dtb; } FunctionalPort *getPhysPort() { return physPort; } @@ -422,17 +422,17 @@ class SimpleThread : public ThreadState return regs.readMiscReg(misc_reg); } - MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault) + MiscReg readMiscRegWithEffect(int misc_reg) { - return regs.readMiscRegWithEffect(misc_reg, fault, tc); + return regs.readMiscRegWithEffect(misc_reg, tc); } - Fault setMiscReg(int misc_reg, const MiscReg &val) + void setMiscReg(int misc_reg, const MiscReg &val) { return regs.setMiscReg(misc_reg, val); } - Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val) + void setMiscRegWithEffect(int misc_reg, const MiscReg &val) { return regs.setMiscRegWithEffect(misc_reg, val, tc); } @@ -442,10 +442,6 @@ class SimpleThread : public ThreadState void setStCondFailures(unsigned sc_failures) { storeCondFailures = sc_failures; } -#if FULL_SYSTEM - bool inPalMode() { return AlphaISA::PcPAL(regs.readPC()); } -#endif - #if !FULL_SYSTEM TheISA::IntReg getSyscallArg(int i) { diff --git a/src/cpu/thread_context.hh b/src/cpu/thread_context.hh index 73046097d..1e6a907f8 100644 --- a/src/cpu/thread_context.hh +++ b/src/cpu/thread_context.hh @@ -31,9 +31,9 @@ #ifndef __CPU_THREAD_CONTEXT_HH__ #define __CPU_THREAD_CONTEXT_HH__ -#include "arch/types.hh" #include "arch/regfile.hh" #include "arch/syscallreturn.hh" +#include "arch/types.hh" #include "config/full_system.hh" #include "mem/request.hh" #include "sim/faults.hh" @@ -43,8 +43,11 @@ // @todo: Figure out a more architecture independent way to obtain the ITB and // DTB pointers. -class AlphaDTB; -class AlphaITB; +namespace TheISA +{ + class DTB; + class ITB; +} class BaseCPU; class EndQuiesceEvent; class Event; @@ -53,8 +56,10 @@ class FunctionalPort; class VirtualPort; class Process; class System; -namespace Kernel { - class Statistics; +namespace TheISA { + namespace Kernel { + class Statistics; + }; }; /** @@ -117,11 +122,11 @@ class ThreadContext #if FULL_SYSTEM virtual System *getSystemPtr() = 0; - virtual AlphaITB *getITBPtr() = 0; + virtual TheISA::ITB *getITBPtr() = 0; - virtual AlphaDTB * getDTBPtr() = 0; + virtual TheISA::DTB *getDTBPtr() = 0; - virtual Kernel::Statistics *getKernelStats() = 0; + virtual TheISA::Kernel::Statistics *getKernelStats() = 0; virtual FunctionalPort *getPhysPort() = 0; @@ -221,11 +226,11 @@ class ThreadContext virtual MiscReg readMiscReg(int misc_reg) = 0; - virtual MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault) = 0; + virtual MiscReg readMiscRegWithEffect(int misc_reg) = 0; - virtual Fault setMiscReg(int misc_reg, const MiscReg &val) = 0; + virtual void setMiscReg(int misc_reg, const MiscReg &val) = 0; - virtual Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val) = 0; + virtual void setMiscRegWithEffect(int misc_reg, const MiscReg &val) = 0; // Also not necessarily the best location for these two. Hopefully will go // away once we decide upon where st cond failures goes. @@ -233,10 +238,6 @@ class ThreadContext virtual void setStCondFailures(unsigned sc_failures) = 0; -#if FULL_SYSTEM - virtual bool inPalMode() = 0; -#endif - // Only really makes sense for old CPU model. Still could be useful though. virtual bool misspeculating() = 0; @@ -292,11 +293,12 @@ class ProxyThreadContext : public ThreadContext #if FULL_SYSTEM System *getSystemPtr() { return actualTC->getSystemPtr(); } - AlphaITB *getITBPtr() { return actualTC->getITBPtr(); } + TheISA::ITB *getITBPtr() { return actualTC->getITBPtr(); } - AlphaDTB *getDTBPtr() { return actualTC->getDTBPtr(); } + TheISA::DTB *getDTBPtr() { return actualTC->getDTBPtr(); } - Kernel::Statistics *getKernelStats() { return actualTC->getKernelStats(); } + TheISA::Kernel::Statistics *getKernelStats() + { return actualTC->getKernelStats(); } FunctionalPort *getPhysPort() { return actualTC->getPhysPort(); } @@ -407,13 +409,13 @@ class ProxyThreadContext : public ThreadContext MiscReg readMiscReg(int misc_reg) { return actualTC->readMiscReg(misc_reg); } - MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault) - { return actualTC->readMiscRegWithEffect(misc_reg, fault); } + MiscReg readMiscRegWithEffect(int misc_reg) + { return actualTC->readMiscRegWithEffect(misc_reg); } - Fault setMiscReg(int misc_reg, const MiscReg &val) + void setMiscReg(int misc_reg, const MiscReg &val) { return actualTC->setMiscReg(misc_reg, val); } - Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val) + void setMiscRegWithEffect(int misc_reg, const MiscReg &val) { return actualTC->setMiscRegWithEffect(misc_reg, val); } unsigned readStCondFailures() @@ -421,9 +423,6 @@ class ProxyThreadContext : public ThreadContext void setStCondFailures(unsigned sc_failures) { actualTC->setStCondFailures(sc_failures); } -#if FULL_SYSTEM - bool inPalMode() { return actualTC->inPalMode(); } -#endif // @todo: Fix this! bool misspeculating() { return actualTC->misspeculating(); } diff --git a/src/cpu/thread_state.cc b/src/cpu/thread_state.cc index e6ebcc525..8602f8a50 100644 --- a/src/cpu/thread_state.cc +++ b/src/cpu/thread_state.cc @@ -29,25 +29,29 @@ */ #include "base/output.hh" +#include "cpu/base.hh" #include "cpu/profile.hh" #include "cpu/thread_state.hh" +#include "mem/port.hh" +#include "mem/translating_port.hh" #include "sim/serialize.hh" #if FULL_SYSTEM +#include "arch/kernel_stats.hh" #include "cpu/quiesce_event.hh" -#include "kern/kernel_stats.hh" #endif #if FULL_SYSTEM -ThreadState::ThreadState(int _cpuId, int _tid) - : cpuId(_cpuId), tid(_tid), lastActivate(0), lastSuspend(0), +ThreadState::ThreadState(BaseCPU *cpu, int _cpuId, int _tid) + : baseCpu(cpu), cpuId(_cpuId), tid(_tid), lastActivate(0), lastSuspend(0), profile(NULL), profileNode(NULL), profilePC(0), quiesceEvent(NULL), + physPort(NULL), virtPort(NULL), microPC(0), nextMicroPC(1), funcExeInst(0), storeCondFailures(0) #else -ThreadState::ThreadState(int _cpuId, int _tid, Process *_process, - short _asid, MemObject *mem) - : cpuId(_cpuId), tid(_tid), lastActivate(0), lastSuspend(0), - process(_process), asid(_asid), +ThreadState::ThreadState(BaseCPU *cpu, int _cpuId, int _tid, Process *_process, + short _asid) + : baseCpu(cpu), cpuId(_cpuId), tid(_tid), lastActivate(0), lastSuspend(0), + port(NULL), process(_process), asid(_asid), microPC(0), nextMicroPC(1), funcExeInst(0), storeCondFailures(0) #endif { @@ -55,6 +59,16 @@ ThreadState::ThreadState(int _cpuId, int _tid, Process *_process, numLoad = 0; } +ThreadState::~ThreadState() +{ +#if !FULL_SYSTEM + if (port) { + delete port->getPeer(); + delete port; + } +#endif +} + void ThreadState::serialize(std::ostream &os) { @@ -112,4 +126,40 @@ ThreadState::profileSample() profile->sample(profileNode, profilePC); } +#else +TranslatingPort * +ThreadState::getMemPort() +{ + if (port != NULL) + return port; + + /* Use this port to for syscall emulation writes to memory. */ + port = new TranslatingPort(csprintf("%s-%d-funcport", + baseCpu->name(), tid), + process->pTable, false); + + Port *func_port = getMemFuncPort(); + + func_port->setPeer(port); + port->setPeer(func_port); + + return port; +} #endif + +Port * +ThreadState::getMemFuncPort() +{ + Port *dcache_port, *func_mem_port; + + dcache_port = baseCpu->getPort("dcache_port"); + assert(dcache_port != NULL); + + MemObject *mem_object = dcache_port->getPeer()->getOwner(); + assert(mem_object != NULL); + + func_mem_port = mem_object->getPort("functional"); + assert(func_mem_port != NULL); + + return func_mem_port; +} diff --git a/src/cpu/thread_state.hh b/src/cpu/thread_state.hh index 60353760c..0a0af8b71 100644 --- a/src/cpu/thread_state.hh +++ b/src/cpu/thread_state.hh @@ -37,7 +37,6 @@ #if !FULL_SYSTEM #include "mem/mem_object.hh" -#include "mem/translating_port.hh" #include "sim/process.hh" #endif @@ -45,12 +44,17 @@ class EndQuiesceEvent; class FunctionProfile; class ProfileNode; -namespace Kernel { - class Statistics; +namespace TheISA { + namespace Kernel { + class Statistics; + }; }; #endif +class BaseCPU; class Checkpoint; +class Port; +class TranslatingPort; /** * Struct for holding general thread state that is needed across CPU @@ -62,12 +66,14 @@ struct ThreadState { typedef ThreadContext::Status Status; #if FULL_SYSTEM - ThreadState(int _cpuId, int _tid); + ThreadState(BaseCPU *cpu, int _cpuId, int _tid); #else - ThreadState(int _cpuId, int _tid, Process *_process, - short _asid, MemObject *mem); + ThreadState(BaseCPU *cpu, int _cpuId, int _tid, Process *_process, + short _asid); #endif + ~ThreadState(); + void serialize(std::ostream &os); void unserialize(Checkpoint *cp, const std::string §ion); @@ -93,7 +99,7 @@ struct ThreadState { void profileSample(); - Kernel::Statistics *getKernelStats() { return kernelStats; } + TheISA::Kernel::Statistics *getKernelStats() { return kernelStats; } FunctionalPort *getPhysPort() { return physPort; } @@ -105,7 +111,7 @@ struct ThreadState { #else Process *getProcessPtr() { return process; } - TranslatingPort *getMemPort() { return port; } + TranslatingPort *getMemPort(); void setMemPort(TranslatingPort *_port) { port = _port; } @@ -135,6 +141,12 @@ struct ThreadState { /** Sets the status of this thread. */ void setStatus(Status new_status) { _status = new_status; } + protected: + /** Gets a functional port from the memory object that's connected + * to the CPU. */ + Port *getMemFuncPort(); + + public: /** Number of instructions committed. */ Counter numInst; /** Stat for number instructions committed. */ @@ -153,6 +165,9 @@ struct ThreadState { protected: ThreadContext::Status _status; + // Pointer to the base CPU. + BaseCPU *baseCpu; + // ID of this context w.r.t. the System or Process object to which // it belongs. For full-system mode, this is the system CPU ID. int cpuId; @@ -174,7 +189,7 @@ struct ThreadState { Addr profilePC; EndQuiesceEvent *quiesceEvent; - Kernel::Statistics *kernelStats; + TheISA::Kernel::Statistics *kernelStats; protected: /** A functional port outgoing only for functional accesses to physical * addresses.*/ diff --git a/src/dev/SConscript b/src/dev/SConscript new file mode 100644 index 000000000..951bc29d1 --- /dev/null +++ b/src/dev/SConscript @@ -0,0 +1,79 @@ +# -*- mode:python -*- + +# Copyright (c) 2006 The Regents of The University of Michigan +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution; +# neither the name of the copyright holders nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Authors: Steve Reinhardt +# Gabe Black + +import os.path, sys + +# Import build environment variable from SConstruct. +Import('env') + +# Right now there are no source files immediately in this directory +sources = [] + +# +# Now include other ISA-specific sources from the ISA subdirectories. +# + +isa = env['TARGET_ISA'] # someday this may be a list of ISAs + +# +# These source files can be used by any architecture +# + +sources += Split(''' + baddev.cc + disk_image.cc + etherbus.cc + etherdump.cc + etherint.cc + etherlink.cc + etherpkt.cc + ethertap.cc + ide_ctrl.cc + ide_disk.cc + io_device.cc + isa_fake.cc + ns_gige.cc + pciconfigall.cc + pcidev.cc + pktfifo.cc + platform.cc + simconsole.cc + simple_disk.cc + ''') + +# Let the target architecture define what additional sources it needs +sources += SConscript(os.path.join(isa, 'SConscript'), exports = 'env') + +# Convert file names to SCons File objects. This takes care of the +# path relative to the top of the directory tree. +sources = [File(s) for s in sources] + +Return('sources') diff --git a/src/dev/alpha/SConscript b/src/dev/alpha/SConscript new file mode 100644 index 000000000..fb0e626d3 --- /dev/null +++ b/src/dev/alpha/SConscript @@ -0,0 +1,68 @@ +# -*- mode:python -*- + +# Copyright (c) 2006 The Regents of The University of Michigan +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution; +# neither the name of the copyright holders nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Authors: Steve Reinhardt +# Gabe Black + +import os.path, sys + +# Import build environment variable from SConstruct. +Import('env') + +sources = Split(''' + console.cc + tsunami.cc + tsunami_cchip.cc + tsunami_io.cc + tsunami_pchip.cc + ''') +# baddev.cc +# disk_image.cc +# etherbus.cc +# etherdump.cc +# etherint.cc +# etherlink.cc +# etherpkt.cc +# ethertap.cc +# ide_ctrl.cc +# ide_disk.cc +# io_device.cc +# isa_fake.cc +# ns_gige.cc +# pciconfigall.cc +# pcidev.cc +# pktfifo.cc +# platform.cc +# simconsole.cc +# simple_disk.cc + +# Convert file names to SCons File objects. This takes care of the +# path relative to the top of the directory tree. +sources = [File(s) for s in sources] + +Return('sources') diff --git a/src/dev/alpha_access.h b/src/dev/alpha/access.h index 4adeaf84b..4adeaf84b 100644 --- a/src/dev/alpha_access.h +++ b/src/dev/alpha/access.h diff --git a/src/dev/alpha_console.cc b/src/dev/alpha/console.cc index 40868de51..f077efe6c 100644 --- a/src/dev/alpha_console.cc +++ b/src/dev/alpha/console.cc @@ -44,7 +44,7 @@ #include "base/trace.hh" #include "cpu/base.hh" #include "cpu/thread_context.hh" -#include "dev/alpha_console.hh" +#include "dev/alpha/console.hh" #include "dev/platform.hh" #include "dev/simconsole.hh" #include "dev/simple_disk.hh" diff --git a/src/dev/alpha_console.hh b/src/dev/alpha/console.hh index 7d6d1e679..b8d21ad5d 100644 --- a/src/dev/alpha_console.hh +++ b/src/dev/alpha/console.hh @@ -36,7 +36,7 @@ #define __ALPHA_CONSOLE_HH__ #include "base/range.hh" -#include "dev/alpha_access.h" +#include "dev/alpha/access.h" #include "dev/io_device.hh" #include "sim/host.hh" #include "sim/sim_object.hh" diff --git a/src/dev/tsunami.cc b/src/dev/alpha/tsunami.cc index 8e740a72f..608e88846 100644 --- a/src/dev/tsunami.cc +++ b/src/dev/alpha/tsunami.cc @@ -38,10 +38,10 @@ #include "cpu/intr_control.hh" #include "dev/simconsole.hh" -#include "dev/tsunami_cchip.hh" -#include "dev/tsunami_pchip.hh" -#include "dev/tsunami_io.hh" -#include "dev/tsunami.hh" +#include "dev/alpha/tsunami_cchip.hh" +#include "dev/alpha/tsunami_pchip.hh" +#include "dev/alpha/tsunami_io.hh" +#include "dev/alpha/tsunami.hh" #include "sim/builder.hh" #include "sim/system.hh" diff --git a/src/dev/tsunami.hh b/src/dev/alpha/tsunami.hh index 6fbfac851..6fbfac851 100644 --- a/src/dev/tsunami.hh +++ b/src/dev/alpha/tsunami.hh diff --git a/src/dev/tsunami_cchip.cc b/src/dev/alpha/tsunami_cchip.cc index 74a68566c..924e1d462 100644 --- a/src/dev/tsunami_cchip.cc +++ b/src/dev/alpha/tsunami_cchip.cc @@ -41,9 +41,9 @@ #include "base/trace.hh" #include "cpu/intr_control.hh" #include "cpu/thread_context.hh" -#include "dev/tsunami.hh" -#include "dev/tsunami_cchip.hh" -#include "dev/tsunamireg.h" +#include "dev/alpha/tsunami.hh" +#include "dev/alpha/tsunami_cchip.hh" +#include "dev/alpha/tsunamireg.h" #include "mem/packet.hh" #include "mem/packet_access.hh" #include "mem/port.hh" diff --git a/src/dev/tsunami_cchip.hh b/src/dev/alpha/tsunami_cchip.hh index 297a94129..004c3cd29 100644 --- a/src/dev/tsunami_cchip.hh +++ b/src/dev/alpha/tsunami_cchip.hh @@ -35,7 +35,7 @@ #ifndef __TSUNAMI_CCHIP_HH__ #define __TSUNAMI_CCHIP_HH__ -#include "dev/tsunami.hh" +#include "dev/alpha/tsunami.hh" #include "base/range.hh" #include "dev/io_device.hh" diff --git a/src/dev/tsunami_io.cc b/src/dev/alpha/tsunami_io.cc index 73af6c2ef..def214a95 100644 --- a/src/dev/tsunami_io.cc +++ b/src/dev/alpha/tsunami_io.cc @@ -43,10 +43,10 @@ #include "base/trace.hh" #include "dev/pitreg.h" #include "dev/rtcreg.h" -#include "dev/tsunami_cchip.hh" -#include "dev/tsunami.hh" -#include "dev/tsunami_io.hh" -#include "dev/tsunamireg.h" +#include "dev/alpha/tsunami_cchip.hh" +#include "dev/alpha/tsunami.hh" +#include "dev/alpha/tsunami_io.hh" +#include "dev/alpha/tsunamireg.h" #include "mem/packet.hh" #include "mem/packet_access.hh" #include "mem/port.hh" diff --git a/src/dev/tsunami_io.hh b/src/dev/alpha/tsunami_io.hh index 5ea3628c1..54acefc25 100644 --- a/src/dev/tsunami_io.hh +++ b/src/dev/alpha/tsunami_io.hh @@ -39,7 +39,7 @@ #include "dev/io_device.hh" #include "base/range.hh" -#include "dev/tsunami.hh" +#include "dev/alpha/tsunami.hh" #include "sim/eventq.hh" /** diff --git a/src/dev/tsunami_pchip.cc b/src/dev/alpha/tsunami_pchip.cc index 549db1a50..94a7f96e5 100644 --- a/src/dev/tsunami_pchip.cc +++ b/src/dev/alpha/tsunami_pchip.cc @@ -38,9 +38,9 @@ #include <vector> #include "base/trace.hh" -#include "dev/tsunami_pchip.hh" -#include "dev/tsunamireg.h" -#include "dev/tsunami.hh" +#include "dev/alpha/tsunami_pchip.hh" +#include "dev/alpha/tsunamireg.h" +#include "dev/alpha/tsunami.hh" #include "mem/packet.hh" #include "mem/packet_access.hh" #include "sim/builder.hh" diff --git a/src/dev/tsunami_pchip.hh b/src/dev/alpha/tsunami_pchip.hh index d0a9c3157..1632a36d4 100644 --- a/src/dev/tsunami_pchip.hh +++ b/src/dev/alpha/tsunami_pchip.hh @@ -35,7 +35,7 @@ #ifndef __TSUNAMI_PCHIP_HH__ #define __TSUNAMI_PCHIP_HH__ -#include "dev/tsunami.hh" +#include "dev/alpha/tsunami.hh" #include "base/range.hh" #include "dev/io_device.hh" diff --git a/src/dev/tsunamireg.h b/src/dev/alpha/tsunamireg.h index d603972be..d603972be 100644 --- a/src/dev/tsunamireg.h +++ b/src/dev/alpha/tsunamireg.h diff --git a/src/dev/ide_disk.cc b/src/dev/ide_disk.cc index 5d3346b1e..5083c9c8d 100644 --- a/src/dev/ide_disk.cc +++ b/src/dev/ide_disk.cc @@ -44,8 +44,8 @@ #include "dev/disk_image.hh" #include "dev/ide_disk.hh" #include "dev/ide_ctrl.hh" -#include "dev/tsunami.hh" -#include "dev/tsunami_pchip.hh" +#include "dev/alpha/tsunami.hh" +#include "dev/alpha/tsunami_pchip.hh" #include "sim/builder.hh" #include "sim/sim_object.hh" #include "sim/root.hh" diff --git a/src/dev/io_device.cc b/src/dev/io_device.cc index 9671d77cc..a1285fefc 100644 --- a/src/dev/io_device.cc +++ b/src/dev/io_device.cc @@ -37,7 +37,7 @@ PioPort::PioPort(PioDevice *dev, System *s, std::string pname) - : SimpleTimingPort(dev->name() + pname), device(dev) + : SimpleTimingPort(dev->name() + pname, dev), device(dev) { } @@ -92,8 +92,8 @@ BasicPioDevice::addressRanges(AddrRangeList &range_list) DmaPort::DmaPort(DmaDevice *dev, System *s) - : Port(dev->name() + "-dmaport"), device(dev), sys(s), pendingCount(0), - actionInProgress(0), drainEvent(NULL) + : Port(dev->name() + "-dmaport", dev), device(dev), sys(s), + pendingCount(0), actionInProgress(0), drainEvent(NULL) { } bool diff --git a/src/dev/isa_fake.cc b/src/dev/isa_fake.cc index 23761cd10..40909c6a1 100644 --- a/src/dev/isa_fake.cc +++ b/src/dev/isa_fake.cc @@ -25,18 +25,13 @@ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * - * Authors: Miguel Serrano - * Ali Saidi + * Authors: Ali Saidi */ /** @file * Isa Fake Device implementation */ -#include <deque> -#include <string> -#include <vector> - #include "base/trace.hh" #include "dev/isa_fake.hh" #include "mem/packet.hh" @@ -49,42 +44,58 @@ using namespace std; IsaFake::IsaFake(Params *p) : BasicPioDevice(p) { - pioSize = p->pio_size; + if (!params()->retBadAddr) + pioSize = p->pio_size; + + memset(&retData, p->retData, sizeof(retData)); } Tick IsaFake::read(PacketPtr pkt) { assert(pkt->result == Packet::Unknown); - assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize); - - DPRINTF(Tsunami, "read va=%#x size=%d\n", pkt->getAddr(), pkt->getSize()); - - switch (pkt->getSize()) { - case sizeof(uint64_t): - pkt->set(0xFFFFFFFFFFFFFFFFULL); - break; - case sizeof(uint32_t): - pkt->set((uint32_t)0xFFFFFFFF); - break; - case sizeof(uint16_t): - pkt->set((uint16_t)0xFFFF); - break; - case sizeof(uint8_t): - pkt->set((uint8_t)0xFF); - break; - default: - panic("invalid access size(?) for PCI configspace!\n"); + + if (params()->retBadAddr) { + DPRINTF(Tsunami, "read to bad address va=%#x size=%d\n", + pkt->getAddr(), pkt->getSize()); + pkt->result = Packet::BadAddress; + } else { + assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize); + DPRINTF(Tsunami, "read va=%#x size=%d\n", + pkt->getAddr(), pkt->getSize()); + switch (pkt->getSize()) { + case sizeof(uint64_t): + pkt->set(retData); + break; + case sizeof(uint32_t): + pkt->set((uint32_t)retData); + break; + case sizeof(uint16_t): + pkt->set((uint16_t)retData); + break; + case sizeof(uint8_t): + pkt->set((uint8_t)retData); + break; + default: + panic("invalid access size!\n"); + } + pkt->result = Packet::Success; } - pkt->result = Packet::Success; return pioDelay; } Tick IsaFake::write(PacketPtr pkt) { - DPRINTF(Tsunami, "write - va=%#x size=%d \n", pkt->getAddr(), pkt->getSize()); - pkt->result = Packet::Success; + if (params()->retBadAddr) { + DPRINTF(Tsunami, "write to bad address va=%#x size=%d \n", + pkt->getAddr(), pkt->getSize()); + pkt->result = Packet::BadAddress; + } else { + DPRINTF(Tsunami, "write - va=%#x size=%d \n", + pkt->getAddr(), pkt->getSize()); + pkt->result = Packet::Success; + } return pioDelay; } @@ -93,6 +104,8 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(IsaFake) Param<Addr> pio_addr; Param<Tick> pio_latency; Param<Addr> pio_size; + Param<bool> ret_bad_addr; + Param<uint8_t> ret_data; SimObjectParam<Platform *> platform; SimObjectParam<System *> system; @@ -103,6 +116,8 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(IsaFake) INIT_PARAM(pio_addr, "Device Address"), INIT_PARAM(pio_latency, "Programmed IO latency"), INIT_PARAM(pio_size, "Size of address range"), + INIT_PARAM(ret_bad_addr, "Return pkt status BadAddr"), + INIT_PARAM(ret_data, "Data to return if not bad addr"), INIT_PARAM(platform, "platform"), INIT_PARAM(system, "system object") @@ -115,6 +130,8 @@ CREATE_SIM_OBJECT(IsaFake) p->pio_addr = pio_addr; p->pio_delay = pio_latency; p->pio_size = pio_size; + p->retBadAddr = ret_bad_addr; + p->retData = ret_data; p->platform = platform; p->system = system; return new IsaFake(p); diff --git a/src/dev/isa_fake.hh b/src/dev/isa_fake.hh index 366061c25..fee41e325 100644 --- a/src/dev/isa_fake.hh +++ b/src/dev/isa_fake.hh @@ -25,8 +25,7 @@ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * - * Authors: Miguel Serrano - * Ali Saidi + * Authors: Ali Saidi */ /** @file @@ -38,14 +37,15 @@ #include "base/range.hh" #include "dev/io_device.hh" -#include "dev/tsunami.hh" +#include "dev/alpha/tsunami.hh" #include "mem/packet.hh" /** - * IsaFake is a device that returns -1 on all reads and - * accepts all writes. It is meant to be placed at an address range + * IsaFake is a device that returns, BadAddr, 1 or 0 on all reads and + * rites. It is meant to be placed at an address range * so that an mcheck doesn't occur when an os probes a piece of hw - * that doesn't exist (e.g. UARTs1-3). + * that doesn't exist (e.g. UARTs1-3), or catch requests in the memory system + * that have no responders.. */ class IsaFake : public BasicPioDevice { @@ -53,9 +53,12 @@ class IsaFake : public BasicPioDevice struct Params : public BasicPioDevice::Params { Addr pio_size; + bool retBadAddr; + uint8_t retData; }; protected: const Params *params() const { return (const Params*)_params; } + uint64_t retData; public: /** @@ -79,4 +82,4 @@ class IsaFake : public BasicPioDevice virtual Tick write(PacketPtr pkt); }; -#endif // __TSUNAMI_FAKE_HH__ +#endif // __ISA_FAKE_HH__ diff --git a/src/dev/ns_gige.cc b/src/dev/ns_gige.cc index 19c553d87..74f9d88d1 100644 --- a/src/dev/ns_gige.cc +++ b/src/dev/ns_gige.cc @@ -36,7 +36,6 @@ #include <deque> #include <string> -#include "arch/alpha/ev5.hh" #include "base/inet.hh" #include "cpu/thread_context.hh" #include "dev/etherlink.hh" diff --git a/src/dev/pcidev.cc b/src/dev/pcidev.cc index 8c0d03817..383fc494f 100644 --- a/src/dev/pcidev.cc +++ b/src/dev/pcidev.cc @@ -45,7 +45,7 @@ #include "base/trace.hh" #include "dev/pciconfigall.hh" #include "dev/pcidev.hh" -#include "dev/tsunamireg.h" +#include "dev/alpha/tsunamireg.h" #include "mem/packet.hh" #include "mem/packet_access.hh" #include "sim/builder.hh" diff --git a/src/dev/sparc/SConscript b/src/dev/sparc/SConscript new file mode 100644 index 000000000..701e533a8 --- /dev/null +++ b/src/dev/sparc/SConscript @@ -0,0 +1,46 @@ +# -*- mode:python -*- + +# Copyright (c) 2006 The Regents of The University of Michigan +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution; +# neither the name of the copyright holders nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Authors: Steve Reinhardt +# Gabe Black + +import os.path, sys + +# Import build environment variable from SConstruct. +Import('env') + +sources = [] + +sources += Split(''' + ''') + +# Convert file names to SCons File objects. This takes care of the +# path relative to the top of the directory tree. +sources = [File(s) for s in sources] + +Return('sources') diff --git a/src/dev/uart8250.cc b/src/dev/uart8250.cc index 9051a26a2..ddee33695 100644 --- a/src/dev/uart8250.cc +++ b/src/dev/uart8250.cc @@ -35,7 +35,6 @@ #include <string> #include <vector> -#include "arch/alpha/ev5.hh" #include "base/inifile.hh" #include "base/str.hh" // for to_number #include "base/trace.hh" diff --git a/src/dev/uart8250.hh b/src/dev/uart8250.hh index 2e768216a..a0620c7e0 100644 --- a/src/dev/uart8250.hh +++ b/src/dev/uart8250.hh @@ -35,7 +35,7 @@ #ifndef __DEV_UART8250_HH__ #define __DEV_UART8250_HH__ -#include "dev/tsunamireg.h" +#include "dev/alpha/tsunamireg.h" #include "base/range.hh" #include "dev/io_device.hh" #include "dev/uart.hh" diff --git a/src/kern/SConscript b/src/kern/SConscript new file mode 100644 index 000000000..12df28836 --- /dev/null +++ b/src/kern/SConscript @@ -0,0 +1,48 @@ +# -*- mode:python -*- + +# Copyright (c) 2006 The Regents of The University of Michigan +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution; +# neither the name of the copyright holders nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Authors: Steve Reinhardt + +import os.path, sys + +# Import build environment variable from SConstruct. +Import('env') + +sources = Split(''' + kernel_stats.cc + system_events.cc + linux/events.cc + linux/linux_syscalls.cc + linux/printk.cc + ''') + +# Convert file names to SCons File objects. This takes care of the +# path relative to the top of the directory tree. +sources = [File(s) for s in sources] + +Return('sources') diff --git a/src/kern/kernel_stats.cc b/src/kern/kernel_stats.cc index f7868b50f..29c77b3d9 100644 --- a/src/kern/kernel_stats.cc +++ b/src/kern/kernel_stats.cc @@ -29,11 +29,8 @@ * Nathan Binkert */ -#include <map> -#include <stack> #include <string> -#include "arch/alpha/osfpal.hh" #include "base/trace.hh" #include "cpu/thread_context.hh" #include "kern/kernel_stats.hh" @@ -45,11 +42,8 @@ using namespace Stats; namespace Kernel { -const char *modestr[] = { "kernel", "user", "idle" }; - Statistics::Statistics(System *system) - : idleProcess((Addr)-1), themode(kernel), lastModeTick(0), - iplLast(0), iplLastTick(0) + : iplLast(0), iplLastTick(0) { } @@ -68,21 +62,6 @@ Statistics::regStats(const string &_name) .desc("number of quiesce instructions executed") ; - _ivlb - .name(name() + ".inst.ivlb") - .desc("number of ivlb instructions executed") - ; - - _ivle - .name(name() + ".inst.ivle") - .desc("number of ivle instructions executed") - ; - - _hwrei - .name(name() + ".inst.hwrei") - .desc("number of hwrei instructions executed") - ; - _iplCount .init(32) .name(name() + ".ipl_count") @@ -112,19 +91,6 @@ Statistics::regStats(const string &_name) _iplUsed = _iplGood / _iplCount; - _callpal - .init(256) - .name(name() + ".callpal") - .desc("number of callpals executed") - .flags(total | pdf | nozero | nonan) - ; - - for (int i = 0; i < PAL::NumCodes; ++i) { - const char *str = PAL::name(i); - if (str) - _callpal.subname(i, str); - } - _syscall .init(SystemCalls<Tru64>::Number) .name(name() + ".syscall") @@ -132,81 +98,15 @@ Statistics::regStats(const string &_name) .flags(total | pdf | nozero | nonan) ; + //@todo This needs to get the names of syscalls from an appropriate place. +#if 0 for (int i = 0; i < SystemCalls<Tru64>::Number; ++i) { const char *str = SystemCalls<Tru64>::name(i); if (str) { _syscall.subname(i, str); } } - - _mode - .init(cpu_mode_num) - .name(name() + ".mode_switch") - .desc("number of protection mode switches") - ; - - for (int i = 0; i < cpu_mode_num; ++i) - _mode.subname(i, modestr[i]); - - _modeGood - .init(cpu_mode_num) - .name(name() + ".mode_good") - ; - - for (int i = 0; i < cpu_mode_num; ++i) - _modeGood.subname(i, modestr[i]); - - _modeFraction - .name(name() + ".mode_switch_good") - .desc("fraction of useful protection mode switches") - .flags(total) - ; - - for (int i = 0; i < cpu_mode_num; ++i) - _modeFraction.subname(i, modestr[i]); - - _modeFraction = _modeGood / _mode; - - _modeTicks - .init(cpu_mode_num) - .name(name() + ".mode_ticks") - .desc("number of ticks spent at the given mode") - .flags(pdf) - ; - for (int i = 0; i < cpu_mode_num; ++i) - _modeTicks.subname(i, modestr[i]); - - _swap_context - .name(name() + ".swap_context") - .desc("number of times the context was actually changed") - ; -} - -void -Statistics::setIdleProcess(Addr idlepcbb, ThreadContext *tc) -{ - assert(themode == kernel); - idleProcess = idlepcbb; - themode = idle; - changeMode(themode, tc); -} - -void -Statistics::changeMode(cpu_mode newmode, ThreadContext *tc) -{ - _mode[newmode]++; - - if (newmode == themode) - return; - - DPRINTF(Context, "old mode=%-8s new mode=%-8s\n", - modestr[themode], modestr[newmode]); - - _modeGood[newmode]++; - _modeTicks[themode] += curTick - lastModeTick; - - lastModeTick = curTick; - themode = newmode; +#endif } void @@ -226,65 +126,17 @@ Statistics::swpipl(int ipl) } void -Statistics::mode(cpu_mode newmode, ThreadContext *tc) -{ - Addr pcbb = tc->readMiscReg(AlphaISA::IPR_PALtemp23); - - if (newmode == kernel && pcbb == idleProcess) - newmode = idle; - - changeMode(newmode, tc); -} - -void -Statistics::context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc) -{ - assert(themode != user); - - _swap_context++; - changeMode(newpcbb == idleProcess ? idle : kernel, tc); -} - -void -Statistics::callpal(int code, ThreadContext *tc) -{ - if (!PAL::name(code)) - return; - - _callpal[code]++; - - switch (code) { - case PAL::callsys: { - int number = tc->readIntReg(0); - if (SystemCalls<Tru64>::validSyscallNumber(number)) { - int cvtnum = SystemCalls<Tru64>::convert(number); - _syscall[cvtnum]++; - } - } break; - } -} - -void Statistics::serialize(ostream &os) { - int exemode = themode; - SERIALIZE_SCALAR(exemode); - SERIALIZE_SCALAR(idleProcess); SERIALIZE_SCALAR(iplLast); SERIALIZE_SCALAR(iplLastTick); - SERIALIZE_SCALAR(lastModeTick); } void Statistics::unserialize(Checkpoint *cp, const string §ion) { - int exemode; - UNSERIALIZE_SCALAR(exemode); - UNSERIALIZE_SCALAR(idleProcess); UNSERIALIZE_SCALAR(iplLast); UNSERIALIZE_SCALAR(iplLastTick); - UNSERIALIZE_SCALAR(lastModeTick); - themode = (cpu_mode)exemode; } /* end namespace Kernel */ } diff --git a/src/kern/kernel_stats.hh b/src/kern/kernel_stats.hh index c691ad8cf..66248c9c8 100644 --- a/src/kern/kernel_stats.hh +++ b/src/kern/kernel_stats.hh @@ -32,12 +32,10 @@ #ifndef __KERNEL_STATS_HH__ #define __KERNEL_STATS_HH__ -#include <map> -#include <stack> #include <string> -#include <vector> #include "cpu/static_inst.hh" +#include "sim/serialize.hh" class BaseCPU; class ThreadContext; @@ -47,25 +45,14 @@ class System; namespace Kernel { -enum cpu_mode { kernel, user, idle, cpu_mode_num }; -extern const char *modestr[]; - class Statistics : public Serializable { - private: + protected: std::string myname; - Addr idleProcess; - cpu_mode themode; - Tick lastModeTick; - - void changeMode(cpu_mode newmode, ThreadContext *tc); - - private: + protected: Stats::Scalar<> _arm; Stats::Scalar<> _quiesce; - Stats::Scalar<> _ivlb; - Stats::Scalar<> _ivle; Stats::Scalar<> _hwrei; Stats::Vector<> _iplCount; @@ -73,23 +60,16 @@ class Statistics : public Serializable Stats::Vector<> _iplTicks; Stats::Formula _iplUsed; - Stats::Vector<> _callpal; Stats::Vector<> _syscall; // Stats::Vector<> _faults; - Stats::Vector<> _mode; - Stats::Vector<> _modeGood; - Stats::Formula _modeFraction; - Stats::Vector<> _modeTicks; - - Stats::Scalar<> _swap_context; - private: int iplLast; Tick iplLastTick; public: Statistics(System *system); + virtual ~Statistics() {} const std::string name() const { return myname; } void regStats(const std::string &name); @@ -97,15 +77,7 @@ class Statistics : public Serializable public: void arm() { _arm++; } void quiesce() { _quiesce++; } - void ivlb() { _ivlb++; } - void ivle() { _ivle++; } - void hwrei() { _hwrei++; } void swpipl(int ipl); - void mode(cpu_mode newmode, ThreadContext *tc); - void context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc); - void callpal(int code, ThreadContext *tc); - - void setIdleProcess(Addr idle, ThreadContext *tc); public: virtual void serialize(std::ostream &os); diff --git a/src/kern/linux/events.cc b/src/kern/linux/events.cc index 289ece5ce..ba52e040a 100644 --- a/src/kern/linux/events.cc +++ b/src/kern/linux/events.cc @@ -49,7 +49,7 @@ DebugPrintkEvent::process(ThreadContext *tc) DPRINTFN(""); } - AlphaISA::AlphaArguments args(tc); + TheISA::Arguments args(tc); Printk(args); SkipFuncEvent::process(tc); } diff --git a/src/kern/linux/printk.cc b/src/kern/linux/printk.cc index 004d1be2f..ea3d59f19 100644 --- a/src/kern/linux/printk.cc +++ b/src/kern/linux/printk.cc @@ -39,7 +39,7 @@ using namespace std; void -Printk(AlphaISA::AlphaArguments args) +Printk(TheISA::Arguments args) { char *p = (char *)args++; diff --git a/src/kern/linux/printk.hh b/src/kern/linux/printk.hh index 5ddf0a018..17d59b765 100644 --- a/src/kern/linux/printk.hh +++ b/src/kern/linux/printk.hh @@ -32,8 +32,10 @@ #ifndef __PRINTK_HH__ #define __PRINTK_HH__ -class AlphaISA::AlphaArguments; +#include "arch/isa_specific.hh" -void Printk(AlphaISA::AlphaArguments args); +class TheISA::Arguments; + +void Printk(TheISA::Arguments args); #endif // __PRINTK_HH__ diff --git a/src/kern/system_events.cc b/src/kern/system_events.cc index 177ce96d1..6fd9e1563 100644 --- a/src/kern/system_events.cc +++ b/src/kern/system_events.cc @@ -29,11 +29,11 @@ * Nathan Binkert */ -#include "cpu/base.hh" +//For ISA_HAS_DELAY_SLOT +#include "arch/isa_traits.hh" +#include "base/trace.hh" #include "cpu/thread_context.hh" -#include "kern/kernel_stats.hh" #include "kern/system_events.hh" -#include "sim/system.hh" using namespace TheISA; @@ -47,19 +47,7 @@ SkipFuncEvent::process(ThreadContext *tc) tc->setPC(newpc); tc->setNextPC(tc->readPC() + sizeof(TheISA::MachInst)); -/* - BranchPred *bp = tc->getCpuPtr()->getBranchPred(); - if (bp != NULL) { - bp->popRAS(tc->getThreadNum()); - } -*/ -} - -void -IdleStartEvent::process(ThreadContext *tc) -{ - if (tc->getKernelStats()) - tc->getKernelStats()->setIdleProcess( - tc->readMiscReg(AlphaISA::IPR_PALtemp23), tc); - remove(); +#if ISA_HAS_DELAY_SLOT + tc->setNextPC(tc->readNextPC() + sizeof(TheISA::MachInst)); +#endif } diff --git a/src/kern/system_events.hh b/src/kern/system_events.hh index 93b5eb528..58cbc4808 100644 --- a/src/kern/system_events.hh +++ b/src/kern/system_events.hh @@ -35,8 +35,6 @@ #include "cpu/pc_event.hh" -class System; - class SkipFuncEvent : public PCEvent { public: @@ -46,13 +44,4 @@ class SkipFuncEvent : public PCEvent virtual void process(ThreadContext *tc); }; -class IdleStartEvent : public PCEvent -{ - public: - IdleStartEvent(PCEventQueue *q, const std::string &desc, Addr addr) - : PCEvent(q, desc, addr) - {} - virtual void process(ThreadContext *tc); -}; - #endif // __SYSTEM_EVENTS_HH__ diff --git a/src/kern/tru64/dump_mbuf.cc b/src/kern/tru64/dump_mbuf.cc index 8f88f8904..22d2228f0 100644 --- a/src/kern/tru64/dump_mbuf.cc +++ b/src/kern/tru64/dump_mbuf.cc @@ -47,7 +47,7 @@ using namespace TheISA; namespace tru64 { void -DumpMbuf(AlphaArguments args) +DumpMbuf(Arguments args) { ThreadContext *tc = args.getThreadContext(); Addr addr = (Addr)args; diff --git a/src/kern/tru64/dump_mbuf.hh b/src/kern/tru64/dump_mbuf.hh index 25c6fd31d..30b1102b9 100644 --- a/src/kern/tru64/dump_mbuf.hh +++ b/src/kern/tru64/dump_mbuf.hh @@ -34,7 +34,7 @@ #include "arch/arguments.hh" namespace tru64 { - void DumpMbuf(AlphaISA::AlphaArguments args); + void DumpMbuf(TheISA::Arguments args); } #endif // __DUMP_MBUF_HH__ diff --git a/src/kern/tru64/printf.cc b/src/kern/tru64/printf.cc index 29dd443d2..2c767c4d2 100644 --- a/src/kern/tru64/printf.cc +++ b/src/kern/tru64/printf.cc @@ -42,7 +42,7 @@ using namespace std; namespace tru64 { void -Printf(AlphaISA::AlphaArguments args) +Printf(TheISA::Arguments args) { char *p = (char *)args++; diff --git a/src/kern/tru64/printf.hh b/src/kern/tru64/printf.hh index f6a4544ad..ff453b1c1 100644 --- a/src/kern/tru64/printf.hh +++ b/src/kern/tru64/printf.hh @@ -34,7 +34,7 @@ #include "arch/arguments.hh" namespace tru64 { - void Printf(AlphaISA::AlphaArguments args); + void Printf(TheISA::Arguments args); } #endif // __PRINTF_HH__ diff --git a/src/kern/tru64/tru64.hh b/src/kern/tru64/tru64.hh index 6d6d0d96d..82db34bf6 100644 --- a/src/kern/tru64/tru64.hh +++ b/src/kern/tru64/tru64.hh @@ -511,7 +511,7 @@ class Tru64 : public OperatingSystem tc->setFloatRegBits(i, htog(sc->sc_fpregs[i])); } - tc->setMiscReg(TheISA::Fpcr_DepTag, htog(sc->sc_fpcr)); + tc->setMiscReg(AlphaISA::MISCREG_FPCR, htog(sc->sc_fpcr)); return 0; } @@ -653,7 +653,7 @@ class Tru64 : public OperatingSystem ssp->nxm_sysevent = htog(0); if (i == 0) { - uint64_t uniq = tc->readMiscReg(TheISA::Uniq_DepTag); + uint64_t uniq = tc->readMiscReg(AlphaISA::MISCREG_UNIQ); ssp->nxm_u.pth_id = htog(uniq + gtoh(attrp->nxm_uniq_offset)); ssp->nxm_u.nxm_active = htog(uniq | 1); } @@ -693,7 +693,7 @@ class Tru64 : public OperatingSystem tc->setIntReg(TheISA::ArgumentReg0, gtoh(attrp->registers.a0)); tc->setIntReg(27/*t12*/, gtoh(attrp->registers.pc)); tc->setIntReg(TheISA::StackPointerReg, gtoh(attrp->registers.sp)); - tc->setMiscReg(TheISA::Uniq_DepTag, uniq_val); + tc->setMiscReg(AlphaISA::MISCREG_UNIQ, uniq_val); tc->setPC(gtoh(attrp->registers.pc)); tc->setNextPC(gtoh(attrp->registers.pc) + sizeof(TheISA::MachInst)); diff --git a/src/kern/tru64/tru64_events.cc b/src/kern/tru64/tru64_events.cc index 69638bde1..851b3a526 100644 --- a/src/kern/tru64/tru64_events.cc +++ b/src/kern/tru64/tru64_events.cc @@ -81,7 +81,7 @@ PrintfEvent::process(ThreadContext *tc) if (DTRACE(Printf)) { DebugOut() << curTick << ": " << tc->getCpuPtr()->name() << ": "; - AlphaArguments args(tc); + Arguments args(tc); tru64::Printf(args); } } @@ -93,7 +93,7 @@ DebugPrintfEvent::process(ThreadContext *tc) if (!raw) DebugOut() << curTick << ": " << tc->getCpuPtr()->name() << ": "; - AlphaArguments args(tc); + Arguments args(tc); tru64::Printf(args); } } @@ -102,7 +102,7 @@ void DumpMbufEvent::process(ThreadContext *tc) { if (DTRACE(DebugPrintf)) { - AlphaArguments args(tc); + Arguments args(tc); tru64::DumpMbuf(args); } } diff --git a/src/mem/bus.cc b/src/mem/bus.cc index 86a148f87..7b65d252b 100644 --- a/src/mem/bus.cc +++ b/src/mem/bus.cc @@ -42,13 +42,14 @@ Port * Bus::getPort(const std::string &if_name, int idx) { - if (if_name == "default") + if (if_name == "default") { if (defaultPort == NULL) { defaultPort = new BusPort(csprintf("%s-default",name()), this, - defaultId); + defaultId); return defaultPort; } else fatal("Default port already set\n"); + } // if_name ignored? forced to be empty? int id = interfaces.size(); @@ -240,6 +241,9 @@ Bus::recvRetry(int id) } } } + //If we weren't able to drain before, we might be able to now. + if (drainEvent && retryList.size() == 0 && curTick >= tickNextIdle) + drainEvent->process(); } Port * @@ -269,7 +273,16 @@ Bus::findPort(Addr addr, int id) return defaultPort; } } - panic("Unable to find destination for addr: %#llx", addr); + + if (responderSet) { + panic("Unable to find destination for addr (user set default " + "responder): %#llx", addr); + } else { + DPRINTF(Bus, "Unable to find destination for addr: %#llx, will use " + "default port", addr); + + return defaultPort; + } } @@ -392,12 +405,15 @@ Bus::recvStatusChange(Port::Status status, int id) if (id == defaultId) { defaultRange.clear(); - defaultPort->getPeerAddressRanges(ranges, snoops); - assert(snoops.size() == 0); - for(iter = ranges.begin(); iter != ranges.end(); iter++) { - defaultRange.push_back(*iter); - DPRINTF(BusAddrRanges, "Adding range %#llx - %#llx for default range\n", - iter->start, iter->end); + // Only try to update these ranges if the user set a default responder. + if (responderSet) { + defaultPort->getPeerAddressRanges(ranges, snoops); + assert(snoops.size() == 0); + for(iter = ranges.begin(); iter != ranges.end(); iter++) { + defaultRange.push_back(*iter); + DPRINTF(BusAddrRanges, "Adding range %#llx - %#llx for default range\n", + iter->start, iter->end); + } } } else { @@ -498,23 +514,39 @@ Bus::addressRanges(AddrRangeList &resp, AddrRangeList &snoop, int id) } } +unsigned int +Bus::drain(Event * de) +{ + //We should check that we're not "doing" anything, and that noone is + //waiting. We might be idle but have someone waiting if the device we + //contacted for a retry didn't actually retry. + if (curTick >= tickNextIdle && retryList.size() == 0) { + return 0; + } else { + drainEvent = de; + return 1; + } +} + BEGIN_DECLARE_SIM_OBJECT_PARAMS(Bus) Param<int> bus_id; Param<int> clock; Param<int> width; + Param<bool> responder_set; END_DECLARE_SIM_OBJECT_PARAMS(Bus) BEGIN_INIT_SIM_OBJECT_PARAMS(Bus) INIT_PARAM(bus_id, "a globally unique bus id"), INIT_PARAM(clock, "bus clock speed"), - INIT_PARAM(width, "width of the bus (bits)") + INIT_PARAM(width, "width of the bus (bits)"), + INIT_PARAM(responder_set, "Is a default responder set by the user") END_INIT_SIM_OBJECT_PARAMS(Bus) CREATE_SIM_OBJECT(Bus) { - return new Bus(getInstanceName(), bus_id, clock, width); + return new Bus(getInstanceName(), bus_id, clock, width, responder_set); } REGISTER_SIM_OBJECT("Bus", Bus) diff --git a/src/mem/bus.hh b/src/mem/bus.hh index 9fb33b7c3..ff1d2545d 100644 --- a/src/mem/bus.hh +++ b/src/mem/bus.hh @@ -59,6 +59,8 @@ class Bus : public MemObject /** the next tick at which the bus will be idle */ Tick tickNextIdle; + Event * drainEvent; + static const int defaultId = -3; //Make it unique from Broadcast struct DevMap { @@ -144,7 +146,7 @@ class Bus : public MemObject /** Constructor for the BusPort.*/ BusPort(const std::string &_name, Bus *_bus, int _id) - : Port(_name), _onRetryList(false), bus(_bus), id(_id) + : Port(_name, _bus), _onRetryList(false), bus(_bus), id(_id) { } bool onRetryList() @@ -240,6 +242,9 @@ class Bus : public MemObject /** Port that handles requests that don't match any of the interfaces.*/ BusPort *defaultPort; + /** Has the user specified their own default responder? */ + bool responderSet; + public: /** A function used to return the port associated with this bus object. */ @@ -247,9 +252,13 @@ class Bus : public MemObject virtual void init(); - Bus(const std::string &n, int bus_id, int _clock, int _width) + unsigned int drain(Event *de); + + Bus(const std::string &n, int bus_id, int _clock, int _width, + bool responder_set) : MemObject(n), busId(bus_id), clock(_clock), width(_width), - tickNextIdle(0), busIdle(this), inRetry(false), defaultPort(NULL) + tickNextIdle(0), drainEvent(NULL), busIdle(this), inRetry(false), + defaultPort(NULL), responderSet(responder_set) { //Both the width and clock period must be positive if (width <= 0) diff --git a/src/mem/cache/base_cache.cc b/src/mem/cache/base_cache.cc index 599958222..c26d7782b 100644 --- a/src/mem/cache/base_cache.cc +++ b/src/mem/cache/base_cache.cc @@ -42,7 +42,7 @@ using namespace std; BaseCache::CachePort::CachePort(const std::string &_name, BaseCache *_cache, bool _isCpuSide) - : Port(_name), cache(_cache), isCpuSide(_isCpuSide) + : Port(_name, _cache), cache(_cache), isCpuSide(_isCpuSide) { blocked = false; waitingOnRetry = false; @@ -140,6 +140,9 @@ BaseCache::CachePort::recvRetry() } waitingOnRetry = false; } + // Check if we're done draining once this list is empty + if (drainList.empty()) + cache->checkDrain(); } else if (!isCpuSide) { @@ -338,6 +341,10 @@ BaseCache::CacheEvent::process() cachePort->drainList.push_back(pkt); cachePort->waitingOnRetry = true; } + + // Check if we're done draining once this list is empty + if (cachePort->drainList.empty()) + cachePort->cache->checkDrain(); } const char * @@ -357,9 +364,7 @@ BaseCache::getPort(const std::string &if_name, int idx) } else if (if_name == "functional") { - if(cpuSidePort == NULL) - cpuSidePort = new CachePort(name() + "-cpu_side_port", this, true); - return cpuSidePort; + return new CachePort(name() + "-cpu_side_port", this, true); } else if (if_name == "cpu_side") { @@ -601,3 +606,18 @@ BaseCache::regStats() ; } + +unsigned int +BaseCache::drain(Event *de) +{ + // Set status + if (!canDrain()) { + drainEvent = de; + + changeState(SimObject::Draining); + return 1; + } + + changeState(SimObject::Drained); + return 0; +} diff --git a/src/mem/cache/base_cache.hh b/src/mem/cache/base_cache.hh index 565280aef..ea7544fbb 100644 --- a/src/mem/cache/base_cache.hh +++ b/src/mem/cache/base_cache.hh @@ -105,6 +105,8 @@ class BaseCache : public MemObject void clearBlocked(); + bool canDrain() { return drainList.empty(); } + bool blocked; bool mustSendRetry; @@ -227,6 +229,9 @@ class BaseCache : public MemObject /** The number of misses to trigger an exit event. */ Counter missCount; + /** The drain event. */ + Event *drainEvent; + public: // Statistics /** @@ -340,7 +345,7 @@ class BaseCache : public MemObject BaseCache(const std::string &name, Params ¶ms) : MemObject(name), blocked(0), blockedSnoop(0), masterRequests(0), slaveRequests(0), blkSize(params.blkSize), - missCount(params.maxMisses) + missCount(params.maxMisses), drainEvent(NULL) { //Start ports at null if more than one is created we should panic cpuSidePort = NULL; @@ -477,6 +482,7 @@ class BaseCache : public MemObject { uint8_t flag = 1<<cause; masterRequests &= ~flag; + checkDrain(); } /** @@ -512,6 +518,7 @@ class BaseCache : public MemObject { uint8_t flag = 1<<cause; slaveRequests &= ~flag; + checkDrain(); } /** @@ -589,6 +596,30 @@ class BaseCache : public MemObject return; } } + + virtual unsigned int drain(Event *de); + + void checkDrain() + { + if (drainEvent && canDrain()) { + drainEvent->process(); + changeState(SimObject::Drained); + // Clear the drain event + drainEvent = NULL; + } + } + + bool canDrain() + { + if (doMasterRequest() || doSlaveRequest()) { + return false; + } else if (memSidePort && !memSidePort->canDrain()) { + return false; + } else if (cpuSidePort && !cpuSidePort->canDrain()) { + return false; + } + return true; + } }; #endif //__BASE_CACHE_HH__ diff --git a/src/mem/physical.cc b/src/mem/physical.cc index 0302f7351..39eb63108 100644 --- a/src/mem/physical.cc +++ b/src/mem/physical.cc @@ -191,7 +191,9 @@ PhysicalMemory::checkLockedAddrList(Request *req) void PhysicalMemory::doFunctionalAccess(PacketPtr pkt) { - assert(pkt->getAddr() + pkt->getSize() <= params()->addrRange.size()); + assert(pkt->getAddr() + pkt->getSize() > params()->addrRange.start && + pkt->getAddr() + pkt->getSize() <= params()->addrRange.start + + params()->addrRange.size()); if (pkt->isRead()) { if (pkt->req->isLocked()) { diff --git a/src/mem/port.hh b/src/mem/port.hh index b6eeb9db3..75afc04e6 100644 --- a/src/mem/port.hh +++ b/src/mem/port.hh @@ -58,6 +58,8 @@ typedef std::list<Range<Addr> > AddrRangeList; typedef std::list<Range<Addr> >::iterator AddrRangeIter; +class MemObject; + /** * Ports are used to interface memory objects to * each other. They will always come in pairs, and we refer to the other @@ -81,10 +83,13 @@ class Port memory objects. */ Port *peer; + /** A pointer to the MemObject that owns this port. This may not be set. */ + MemObject *owner; + public: Port() - : peer(NULL) + : peer(NULL), owner(NULL) { } /** @@ -92,9 +97,11 @@ class Port * * @param _name Port name for DPRINTF output. Should include name * of memory system object to which the port belongs. + * @param _owner Pointer to the MemObject that owns this port. + * Will not necessarily be set. */ - Port(const std::string &_name) - : portName(_name), peer(NULL) + Port(const std::string &_name, MemObject *_owner = NULL) + : portName(_name), peer(NULL), owner(_owner) { } /** Return port name (for DPRINTF). */ @@ -112,16 +119,18 @@ class Port void setName(const std::string &name) { portName = name; } - /** Function to set the pointer for the peer port. - @todo should be called by the configuration stuff (python). - */ + /** Function to set the pointer for the peer port. */ void setPeer(Port *port); - /** Function to set the pointer for the peer port. - @todo should be called by the configuration stuff (python). - */ + /** Function to get the pointer to the peer port. */ Port *getPeer() { return peer; } + /** Function to set the owner of this port. */ + void setOwner(MemObject *_owner) { owner = _owner; } + + /** Function to return the owner of this port. */ + MemObject *getOwner() { return owner; } + protected: /** These functions are protected because they should only be @@ -247,8 +256,8 @@ class Port class FunctionalPort : public Port { public: - FunctionalPort(const std::string &_name) - : Port(_name) + FunctionalPort(const std::string &_name, MemObject *_owner = NULL) + : Port(_name, _owner) {} protected: diff --git a/src/mem/port_impl.hh b/src/mem/port_impl.hh index b7980bdd2..989cfd338 100644 --- a/src/mem/port_impl.hh +++ b/src/mem/port_impl.hh @@ -28,6 +28,9 @@ * Authors: Ali Saidi */ +//To get endianness +#include "arch/isa_traits.hh" + #include "mem/port.hh" #include "sim/byteswap.hh" @@ -35,7 +38,7 @@ template <typename T> void FunctionalPort::writeHtoG(Addr addr, T d) { - d = htog(d); + d = TheISA::htog(d); writeBlob(addr, (uint8_t*)&d, sizeof(T)); } @@ -46,6 +49,6 @@ FunctionalPort::readGtoH(Addr addr) { T d; readBlob(addr, (uint8_t*)&d, sizeof(T)); - return gtoh(d); + return TheISA::gtoh(d); } diff --git a/src/mem/tport.hh b/src/mem/tport.hh index 438ec56dc..3d28ea3e5 100644 --- a/src/mem/tport.hh +++ b/src/mem/tport.hh @@ -114,8 +114,8 @@ class SimpleTimingPort : public Port public: - SimpleTimingPort(std::string pname) - : Port(pname), sendEvent(this), drainEvent(NULL) + SimpleTimingPort(std::string pname, MemObject *_owner = NULL) + : Port(pname, _owner), sendEvent(this), drainEvent(NULL) {} /** Hook for draining timing accesses from the system. The diff --git a/src/python/m5/__init__.py b/src/python/m5/__init__.py index d41fd5a61..579562b38 100644 --- a/src/python/m5/__init__.py +++ b/src/python/m5/__init__.py @@ -39,6 +39,9 @@ from cc_main import simulate, SimLoopExitEvent # import the m5 compile options import defines +# define a MaxTick parameter +MaxTick = 2**63 - 1 + # define this here so we can use it right away if necessary def panic(string): print >>sys.stderr, 'panic:', string @@ -171,10 +174,10 @@ def switchCpus(cpuList): for cpu in old_cpus: if not isinstance(cpu, objects.BaseCPU): - raise TypeError, "%s is not of type BaseCPU", cpu + raise TypeError, "%s is not of type BaseCPU" % cpu for cpu in new_cpus: if not isinstance(cpu, objects.BaseCPU): - raise TypeError, "%s is not of type BaseCPU", cpu + raise TypeError, "%s is not of type BaseCPU" % cpu # Drain all of the individual CPUs drain_event = cc_main.createCountedDrain() diff --git a/src/python/m5/main.py b/src/python/m5/main.py index ccd6c5807..ef37f62ac 100644 --- a/src/python/m5/main.py +++ b/src/python/m5/main.py @@ -181,6 +181,8 @@ bool_option("print-cpseq", default=False, help="Print correct path sequence numbers in trace output") #bool_option("print-reg-delta", default=False, # help="Print which registers changed to what in trace output") +bool_option("legion-lock", default=False, + help="Compare simulator state with Legion simulator every cycle") options = attrdict() arguments = [] @@ -296,6 +298,7 @@ def main(): objects.ExecutionTrace.print_fetchseq = options.print_fetch_seq objects.ExecutionTrace.print_cpseq = options.print_cpseq #objects.ExecutionTrace.print_reg_delta = options.print_reg_delta + objects.ExecutionTrace.legion_lockstep = options.legion_lock sys.argv = arguments sys.path = [ os.path.dirname(sys.argv[0]) ] + sys.path diff --git a/src/python/m5/objects/BaseCPU.py b/src/python/m5/objects/BaseCPU.py index b6dc08e46..b6e05627d 100644 --- a/src/python/m5/objects/BaseCPU.py +++ b/src/python/m5/objects/BaseCPU.py @@ -3,19 +3,27 @@ from m5.params import * from m5.proxy import * from m5 import build_env from AlphaTLB import AlphaDTB, AlphaITB +from SparcTLB import SparcDTB, SparcITB from Bus import Bus +import sys class BaseCPU(SimObject): type = 'BaseCPU' abstract = True - mem = Param.MemObject("memory") system = Param.System(Parent.any, "system object") cpu_id = Param.Int("CPU identifier") if build_env['FULL_SYSTEM']: - dtb = Param.AlphaDTB(AlphaDTB(), "Data TLB") - itb = Param.AlphaITB(AlphaITB(), "Instruction TLB") + if build_env['TARGET_ISA'] == 'sparc': + dtb = Param.SparcDTB(SparcDTB(), "Data TLB") + itb = Param.SparcITB(SparcITB(), "Instruction TLB") + elif build_env['TARGET_ISA'] == 'alpha': + dtb = Param.AlphaDTB(AlphaDTB(), "Data TLB") + itb = Param.AlphaITB(AlphaITB(), "Instruction TLB") + else: + print "Unknown architecture, can't pick TLBs" + sys.exit(1) else: workload = VectorParam.Process("processes to run") @@ -47,7 +55,6 @@ class BaseCPU(SimObject): self.icache_port = ic.cpu_side self.dcache_port = dc.cpu_side self._mem_ports = ['icache.mem_side', 'dcache.mem_side'] -# self.mem = dc def addTwoLevelCacheHierarchy(self, ic, dc, l2c): self.addPrivateSplitL1Caches(ic, dc) diff --git a/src/python/m5/objects/Bus.py b/src/python/m5/objects/Bus.py index 6710111e5..e7019f3ac 100644 --- a/src/python/m5/objects/Bus.py +++ b/src/python/m5/objects/Bus.py @@ -1,10 +1,18 @@ +from m5 import build_env from m5.params import * +from m5.proxy import * from MemObject import MemObject +from Tsunami import BadAddr class Bus(MemObject): type = 'Bus' port = VectorPort("vector port for connecting devices") - default = Port("Default port for requests that aren't handeled by a device.") bus_id = Param.Int(0, "blah") clock = Param.Clock("1GHz", "bus clock speed") width = Param.Int(64, "bus width (bytes)") + responder_set = Param.Bool(False, "Did the user specify a default responder.") + if build_env['FULL_SYSTEM']: + default = Port(Self.responder.pio, "Default port for requests that aren't handled by a device.") + responder = BadAddr(pio_addr=0x0, pio_latency="1ps") + else: + default = Port("Default port for requests that aren't handled by a device.") diff --git a/src/python/m5/objects/Pci.py b/src/python/m5/objects/Pci.py index 55bf23534..9d40adbfe 100644 --- a/src/python/m5/objects/Pci.py +++ b/src/python/m5/objects/Pci.py @@ -57,6 +57,3 @@ class PciDevice(DmaDevice): pio_latency = Param.Latency('1ns', "Programmed IO latency in simticks") configdata = Param.PciConfigData(Parent.any, "PCI Config data") config_latency = Param.Latency('20ns', "Config read or write latency") - -class PciFake(PciDevice): - type = 'PciFake' diff --git a/src/python/m5/objects/SparcTLB.py b/src/python/m5/objects/SparcTLB.py new file mode 100644 index 000000000..de732e8de --- /dev/null +++ b/src/python/m5/objects/SparcTLB.py @@ -0,0 +1,14 @@ +from m5.SimObject import SimObject +from m5.params import * +class SparcTLB(SimObject): + type = 'SparcTLB' + abstract = True + size = Param.Int("TLB size") + +class SparcDTB(SparcTLB): + type = 'SparcDTB' + size = 64 + +class SparcITB(SparcTLB): + type = 'SparcITB' + size = 48 diff --git a/src/python/m5/objects/System.py b/src/python/m5/objects/System.py index e7dd1bc60..908c3d4ad 100644 --- a/src/python/m5/objects/System.py +++ b/src/python/m5/objects/System.py @@ -2,6 +2,7 @@ from m5.SimObject import SimObject from m5.params import * from m5.proxy import * from m5 import build_env +from PhysicalMemory import * class MemoryMode(Enum): vals = ['invalid', 'atomic', 'timing'] @@ -24,3 +25,21 @@ class AlphaSystem(System): pal = Param.String("file that contains palcode") system_type = Param.UInt64("Type of system we are emulating") system_rev = Param.UInt64("Revision of system we are emulating") + +class SparcSystem(System): + type = 'SparcSystem' + _rom_base = 0xfff0000000 + # ROM for OBP/Reset/Hypervisor + rom = Param.PhysicalMemory(PhysicalMemory(range = AddrRange(_rom_base, size = '8MB')), + "Memory to hold the ROM data") + + reset_addr = Param.Addr(_rom_base, "Address to load ROM at") + hypervisor_addr = Param.Addr(Addr('64kB') + _rom_base, + "Address to load hypervisor at") + openboot_addr = Param.Addr(Addr('512kB') + _rom_base, + "Address to load openboot at") + + reset_bin = Param.String("file that contains the reset code") + hypervisor_bin = Param.String("file that contains the hypervisor code") + openboot_bin = Param.String("file that contains the openboot code") + diff --git a/src/python/m5/objects/Tsunami.py b/src/python/m5/objects/Tsunami.py index 0b53153a0..ffe93727b 100644 --- a/src/python/m5/objects/Tsunami.py +++ b/src/python/m5/objects/Tsunami.py @@ -14,6 +14,11 @@ class TsunamiCChip(BasicPioDevice): class IsaFake(BasicPioDevice): type = 'IsaFake' pio_size = Param.Addr(0x8, "Size of address range") + ret_data = Param.UInt8(0xFF, "Default data to return") + ret_bad_addr = Param.Bool(False, "Return pkt status bad address on access") + +class BadAddr(IsaFake): + ret_bad_addr = Param.Bool(True, "Return pkt status bad address on access") class TsunamiIO(BasicPioDevice): type = 'TsunamiIO' @@ -70,6 +75,8 @@ class Tsunami(Platform): self.cchip.pio = bus.port self.pchip.pio = bus.port self.pciconfig.pio = bus.default + bus.responder_set = True + bus.responder = self.pciconfig self.fake_sm_chip.pio = bus.port self.fake_uart1.pio = bus.port self.fake_uart2.pio = bus.port diff --git a/src/python/m5/params.py b/src/python/m5/params.py index 93d784181..4b5953bcb 100644 --- a/src/python/m5/params.py +++ b/src/python/m5/params.py @@ -369,6 +369,11 @@ class Addr(CheckedInt): except TypeError: self.value = long(value) self._check() + def __add__(self, other): + if isinstance(other, Addr): + return self.value + other.value + else: + return self.value + other class MetaRange(type): diff --git a/src/sim/byteswap.hh b/src/sim/byteswap.hh index 7648b8fcd..7b1ae701e 100644 --- a/src/sim/byteswap.hh +++ b/src/sim/byteswap.hh @@ -47,6 +47,8 @@ // If one doesn't exist, we pretty much get what is listed below, so it all // works out #include <byteswap.h> +#elif defined (__sun__) +#include <sys/isa_defs.h> #else #include <machine/endian.h> #endif @@ -128,12 +130,12 @@ template <typename T> static inline T letobe(T value) {return swap_byte(value);} //For conversions not involving the guest system, we can define the functions //conditionally based on the BYTE_ORDER macro and outside of the namespaces -#if BYTE_ORDER == BIG_ENDIAN +#if defined(_BIG_ENDIAN) || BYTE_ORDER == BIG_ENDIAN template <typename T> static inline T htole(T value) {return swap_byte(value);} template <typename T> static inline T letoh(T value) {return swap_byte(value);} template <typename T> static inline T htobe(T value) {return value;} template <typename T> static inline T betoh(T value) {return value;} -#elif BYTE_ORDER == LITTLE_ENDIAN +#elif defined(_LITTLE_ENDIAN) || BYTE_ORDER == LITTLE_ENDIAN template <typename T> static inline T htole(T value) {return value;} template <typename T> static inline T letoh(T value) {return value;} template <typename T> static inline T htobe(T value) {return swap_byte(value);} diff --git a/src/sim/host.hh b/src/sim/host.hh index 9c79580b1..a2faa206b 100644 --- a/src/sim/host.hh +++ b/src/sim/host.hh @@ -56,7 +56,7 @@ typedef int64_t Counter; */ typedef int64_t Tick; -const Tick MaxTick = (1LL << 62); +const Tick MaxTick = (1LL << 63) - 1; /** * Address type diff --git a/src/sim/main.cc b/src/sim/main.cc index 133141e57..5b44102a8 100644 --- a/src/sim/main.cc +++ b/src/sim/main.cc @@ -309,18 +309,14 @@ finalInit() * @return The SimLoopExitEvent that caused the loop to exit. */ SimLoopExitEvent * -simulate(Tick num_cycles = -1) +simulate(Tick num_cycles = MaxTick) { warn("Entering event queue @ %d. Starting simulation...\n", curTick); - // Fix up num_cycles. Special default value -1 means simulate - // "forever"... schedule event at MaxTick just to be safe. - // Otherwise it's a delta for additional cycles to simulate past - // curTick, and thus must be non-negative. - if (num_cycles == -1) - num_cycles = MaxTick; - else if (num_cycles < 0) + if (num_cycles < 0) fatal("simulate: num_cycles must be >= 0 (was %d)\n", num_cycles); + else if (curTick + num_cycles < 0) //Overflow + num_cycles = MaxTick; else num_cycles = curTick + num_cycles; diff --git a/src/sim/pseudo_inst.cc b/src/sim/pseudo_inst.cc index d913e159b..66036def1 100644 --- a/src/sim/pseudo_inst.cc +++ b/src/sim/pseudo_inst.cc @@ -34,14 +34,14 @@ #include <string> -#include "sim/pseudo_inst.hh" #include "arch/vtophys.hh" #include "base/annotate.hh" #include "cpu/base.hh" #include "cpu/thread_context.hh" #include "cpu/quiesce_event.hh" -#include "kern/kernel_stats.hh" +#include "arch/kernel_stats.hh" #include "sim/param.hh" +#include "sim/pseudo_inst.hh" #include "sim/serialize.hh" #include "sim/sim_exit.hh" #include "sim/stat_control.hh" @@ -134,18 +134,6 @@ namespace AlphaPseudo } void - ivlb(ThreadContext *tc) - { - if (tc->getKernelStats()) - tc->getKernelStats()->ivlb(); - } - - void - ivle(ThreadContext *tc) - { - } - - void m5exit_old(ThreadContext *tc) { exitSimLoop("m5_exit_old instruction encountered"); diff --git a/src/sim/pseudo_inst.hh b/src/sim/pseudo_inst.hh index d211de44e..bc71a7e64 100644 --- a/src/sim/pseudo_inst.hh +++ b/src/sim/pseudo_inst.hh @@ -47,8 +47,6 @@ namespace AlphaPseudo void quiesceNs(ThreadContext *tc, uint64_t ns); void quiesceCycles(ThreadContext *tc, uint64_t cycles); uint64_t quiesceTime(ThreadContext *tc); - void ivlb(ThreadContext *tc); - void ivle(ThreadContext *tc); void m5exit(ThreadContext *tc, Tick delay); void m5exit_old(ThreadContext *tc); void loadsymbol(ThreadContext *xc); diff --git a/src/sim/system.cc b/src/sim/system.cc index 11ae492b9..4b42d41fc 100644 --- a/src/sim/system.cc +++ b/src/sim/system.cc @@ -43,7 +43,7 @@ #include "sim/system.hh" #if FULL_SYSTEM #include "arch/vtophys.hh" -#include "base/remote_gdb.hh" +#include "arch/remote_gdb.hh" #include "kern/kernel_stats.hh" #endif diff --git a/src/sim/system.hh b/src/sim/system.hh index 827fe5c78..b3a67bf7a 100644 --- a/src/sim/system.hh +++ b/src/sim/system.hh @@ -56,7 +56,10 @@ class PhysicalMemory; #if FULL_SYSTEM class Platform; class GDBListener; -class RemoteGDB; +namespace TheISA +{ + class RemoteGDB; +} #endif class System : public SimObject @@ -157,7 +160,7 @@ class System : public SimObject #endif public: #if FULL_SYSTEM - std::vector<RemoteGDB *> remoteGDB; + std::vector<TheISA::RemoteGDB *> remoteGDB; std::vector<GDBListener *> gdbListen; virtual bool breakpoint() = 0; #endif // FULL_SYSTEM |