diff options
Diffstat (limited to 'src/cpu')
66 files changed, 631 insertions, 684 deletions
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.*/ |