diff options
Diffstat (limited to 'src/cpu')
26 files changed, 428 insertions, 1535 deletions
diff --git a/src/cpu/o3/alpha/cpu.cc b/src/cpu/o3/alpha/cpu.cc index ed10b2fd1..740e6476d 100644 --- a/src/cpu/o3/alpha/cpu.cc +++ b/src/cpu/o3/alpha/cpu.cc @@ -29,10 +29,9 @@ */ #include "cpu/o3/alpha/impl.hh" -#include "cpu/o3/alpha/cpu_impl.hh" -#include "cpu/o3/alpha/dyn_inst.hh" +#include "cpu/o3/cpu.hh" // Force instantiation of AlphaO3CPU for all the implemntations that are // needed. Consider merging this and alpha_dyn_inst.cc, and maybe all // classes that depend on a certain impl, into one file (alpha_impl.cc?). -template class AlphaO3CPU<AlphaSimpleImpl>; +template class FullO3CPU<AlphaSimpleImpl>; diff --git a/src/cpu/o3/alpha/cpu.hh b/src/cpu/o3/alpha/cpu.hh deleted file mode 100644 index f9f0000d4..000000000 --- a/src/cpu/o3/alpha/cpu.hh +++ /dev/null @@ -1,149 +0,0 @@ -/* - * Copyright (c) 2004-2006 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: Kevin Lim - */ - -#ifndef __CPU_O3_ALPHA_CPU_HH__ -#define __CPU_O3_ALPHA_CPU_HH__ - -#include "arch/regfile.hh" -#include "arch/types.hh" -#include "cpu/thread_context.hh" -#include "cpu/o3/cpu.hh" -#include "sim/byteswap.hh" - -class DerivO3CPUParams; -class EndQuiesceEvent; -namespace Kernel { - class Statistics; -}; - -class TranslatingPort; - -/** - * AlphaO3CPU class. Derives from the FullO3CPU class, and - * implements all ISA and implementation specific functions of the - * CPU. This is the CPU class that is used for the SimObjects, and is - * what is given to the DynInsts. Most of its state exists in the - * FullO3CPU; the state is has is mainly for ISA specific - * functionality. - */ -template <class Impl> -class AlphaO3CPU : public FullO3CPU<Impl> -{ - public: - typedef O3ThreadState<Impl> ImplState; - typedef O3ThreadState<Impl> Thread; - - /** Constructs an AlphaO3CPU with the given parameters. */ - AlphaO3CPU(DerivO3CPUParams *params); - - /** Registers statistics. */ - void regStats(); - - /** Reads a miscellaneous register. */ - TheISA::MiscReg readMiscRegNoEffect(int misc_reg, unsigned tid); - - /** Reads a misc. register, including any side effects the read - * might have as defined by the architecture. - */ - TheISA::MiscReg readMiscReg(int misc_reg, unsigned tid); - - /** Sets a miscellaneous register. */ - void setMiscRegNoEffect(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. - */ - void setMiscReg(int misc_reg, const TheISA::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 - * state through the TC. - */ - void squashFromTC(unsigned tid); - -#if FULL_SYSTEM - /** Posts an interrupt. */ - void post_interrupt(int int_num, int index); - /** HW return from error interrupt. */ - Fault hwrei(unsigned tid); - - bool simPalCheck(int palFunc, unsigned tid); - - /** Returns the Fault for any valid interrupt. */ - Fault getInterrupts(); - - /** Processes any an interrupt fault. */ - void processInterrupts(Fault interrupt); - - /** Halts the CPU. */ - void halt() { panic("Halt not implemented!\n"); } -#endif - - /** Traps to handle given fault. */ - void trap(Fault fault, unsigned tid); - -#if !FULL_SYSTEM - /** Executes a syscall. - * @todo: Determine if this needs to be virtual. - */ - void syscall(int64_t callnum, int tid); - /** Gets a syscall argument. */ - TheISA::IntReg getSyscallArg(int i, int tid); - - /** Used to shift args for indirect syscall. */ - void setSyscallArg(int i, TheISA::IntReg val, int tid); - - /** Sets the return value of a syscall. */ - void setSyscallReturn(SyscallReturn return_value, int tid); -#endif - - /** CPU read function, forwards read to LSQ. */ - template <class T> - Fault read(RequestPtr &req, T &data, int load_idx) - { - return this->iew.ldstQueue.read(req, data, load_idx); - } - - /** CPU write function, forwards write to LSQ. */ - template <class T> - Fault write(RequestPtr &req, T &data, int store_idx) - { - return this->iew.ldstQueue.write(req, data, store_idx); - } - - Addr lockAddr; - - /** Temporary fix for the lock flag, works in the UP case. */ - bool lockFlag; -}; - -#endif // __CPU_O3_ALPHA_CPU_HH__ diff --git a/src/cpu/o3/alpha/cpu_builder.cc b/src/cpu/o3/alpha/cpu_builder.cc index 0ff0d5d52..deeb437be 100644 --- a/src/cpu/o3/alpha/cpu_builder.cc +++ b/src/cpu/o3/alpha/cpu_builder.cc @@ -30,18 +30,17 @@ #include <string> +#include "config/full_system.hh" #include "config/use_checker.hh" -#include "cpu/base.hh" -#include "cpu/o3/alpha/cpu.hh" +#include "cpu/o3/cpu.hh" #include "cpu/o3/alpha/impl.hh" -#include "cpu/o3/fu_pool.hh" #include "params/DerivO3CPU.hh" -class DerivO3CPU : public AlphaO3CPU<AlphaSimpleImpl> +class DerivO3CPU : public FullO3CPU<AlphaSimpleImpl> { public: DerivO3CPU(DerivO3CPUParams *p) - : AlphaO3CPU<AlphaSimpleImpl>(p) + : FullO3CPU<AlphaSimpleImpl>(p) { } }; diff --git a/src/cpu/o3/alpha/cpu_impl.hh b/src/cpu/o3/alpha/cpu_impl.hh deleted file mode 100644 index dc64113e1..000000000 --- a/src/cpu/o3/alpha/cpu_impl.hh +++ /dev/null @@ -1,316 +0,0 @@ -/* - * Copyright (c) 2004-2006 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: Kevin Lim - */ - -#include "config/use_checker.hh" - -#include "arch/alpha/faults.hh" -#include "arch/alpha/isa_traits.hh" -#include "base/cprintf.hh" -#include "base/statistics.hh" -#include "base/timebuf.hh" -#include "cpu/checker/thread_context.hh" -#include "sim/sim_events.hh" -#include "sim/stats.hh" - -#include "cpu/o3/alpha/cpu.hh" -#include "cpu/o3/alpha/thread_context.hh" -#include "cpu/o3/comm.hh" -#include "cpu/o3/thread_state.hh" - -#if FULL_SYSTEM -#include "arch/alpha/osfpal.hh" -#include "arch/isa_traits.hh" -#include "arch/kernel_stats.hh" -#include "cpu/quiesce_event.hh" -#include "sim/sim_exit.hh" -#include "sim/system.hh" -#endif - -#include "params/DerivO3CPU.hh" - -template <class Impl> -AlphaO3CPU<Impl>::AlphaO3CPU(DerivO3CPUParams *params) : - FullO3CPU<Impl>(this, params) -{ - DPRINTF(O3CPU, "Creating AlphaO3CPU object.\n"); - - // Setup any thread state. - this->thread.resize(this->numThreads); - - for (int i = 0; i < this->numThreads; ++i) { -#if FULL_SYSTEM - // SMT is not supported in FS mode yet. - assert(this->numThreads == 1); - this->thread[i] = new Thread(this, 0); - this->thread[i]->setStatus(ThreadContext::Suspended); -#else - 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); - - this->thread[i]->setStatus(ThreadContext::Suspended); - - //usedTids[i] = true; - //threadMap[i] = i; - } else { - //Allocate Empty thread so M5 can use later - //when scheduling threads to CPU - Process* dummy_proc = NULL; - - this->thread[i] = new Thread(this, i, dummy_proc, i); - //usedTids[i] = false; - } -#endif // !FULL_SYSTEM - - ThreadContext *tc; - - // Setup the TC that will serve as the interface to the threads/CPU. - AlphaTC<Impl> *alpha_tc = - new AlphaTC<Impl>; - - tc = alpha_tc; - - // If we're using a checker, then the TC should be the - // CheckerThreadContext. -#if USE_CHECKER - if (params->checker) { - tc = new CheckerThreadContext<AlphaTC<Impl> >( - alpha_tc, this->checker); - } -#endif - - alpha_tc->cpu = this; - alpha_tc->thread = this->thread[i]; - -#if FULL_SYSTEM - // Setup quiesce event. - this->thread[i]->quiesceEvent = new EndQuiesceEvent(tc); -#endif - // Give the thread the TC. - this->thread[i]->tc = tc; - this->thread[i]->setCpuId(params->cpu_id); - - // Add the TC to the CPU's list of TC's. - this->threadContexts.push_back(tc); - } - - for (int i=0; i < this->numThreads; i++) { - this->thread[i]->setFuncExeInst(0); - } - - lockAddr = 0; - lockFlag = false; -} - -template <class Impl> -void -AlphaO3CPU<Impl>::regStats() -{ - // Register stats for everything that has stats. - this->fullCPURegStats(); - this->fetch.regStats(); - this->decode.regStats(); - this->rename.regStats(); - this->iew.regStats(); - this->commit.regStats(); -} - - -template <class Impl> -TheISA::MiscReg -AlphaO3CPU<Impl>::readMiscRegNoEffect(int misc_reg, unsigned tid) -{ - return this->regFile.readMiscRegNoEffect(misc_reg, tid); -} - -template <class Impl> -TheISA::MiscReg -AlphaO3CPU<Impl>::readMiscReg(int misc_reg, unsigned tid) -{ - return this->regFile.readMiscReg(misc_reg, tid); -} - -template <class Impl> -void -AlphaO3CPU<Impl>::setMiscRegNoEffect(int misc_reg, const TheISA::MiscReg &val, - unsigned tid) -{ - this->regFile.setMiscRegNoEffect(misc_reg, val, tid); -} - -template <class Impl> -void -AlphaO3CPU<Impl>::setMiscReg(int misc_reg, - const TheISA::MiscReg &val, unsigned tid) -{ - this->regFile.setMiscReg(misc_reg, val, tid); -} - -template <class Impl> -void -AlphaO3CPU<Impl>::squashFromTC(unsigned tid) -{ - this->thread[tid]->inSyscall = true; - this->commit.generateTCEvent(tid); -} - -#if FULL_SYSTEM - -template <class Impl> -void -AlphaO3CPU<Impl>::post_interrupt(int int_num, int index) -{ - BaseCPU::post_interrupt(int_num, index); - - if (this->thread[0]->status() == ThreadContext::Suspended) { - DPRINTF(IPI,"Suspended Processor awoke\n"); - this->threadContexts[0]->activate(); - } -} - -template <class Impl> -Fault -AlphaO3CPU<Impl>::hwrei(unsigned tid) -{ - // Need to clear the lock flag upon returning from an interrupt. - this->setMiscRegNoEffect(AlphaISA::MISCREG_LOCKFLAG, false, tid); - - this->thread[tid]->kernelStats->hwrei(); - - // FIXME: XXX check for interrupts? XXX - return NoFault; -} - -template <class Impl> -bool -AlphaO3CPU<Impl>::simPalCheck(int palFunc, unsigned tid) -{ - if (this->thread[tid]->kernelStats) - this->thread[tid]->kernelStats->callpal(palFunc, - this->threadContexts[tid]); - - switch (palFunc) { - case PAL::halt: - halt(); - if (--System::numSystemsRunning == 0) - exitSimLoop("all cpus halted"); - break; - - case PAL::bpt: - case PAL::bugchk: - if (this->system->breakpoint()) - return false; - break; - } - - return true; -} - -template <class Impl> -Fault -AlphaO3CPU<Impl>::getInterrupts() -{ - // Check if there are any outstanding interrupts - return this->interrupts.getInterrupt(this->threadContexts[0]); -} - -template <class Impl> -void -AlphaO3CPU<Impl>::processInterrupts(Fault interrupt) -{ - // 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. - // @todo: Possibly consolidate the interrupt checking code. - // @todo: Allow other threads to handle interrupts. - - assert(interrupt != NoFault); - this->interrupts.updateIntrInfo(this->threadContexts[0]); - - DPRINTF(O3CPU, "Interrupt %s being handled\n", interrupt->name()); - this->trap(interrupt, 0); -} - -#endif // FULL_SYSTEM - -template <class Impl> -void -AlphaO3CPU<Impl>::trap(Fault fault, unsigned tid) -{ - // Pass the thread's TC into the invoke method. - fault->invoke(this->threadContexts[tid]); -} - -#if !FULL_SYSTEM - -template <class Impl> -void -AlphaO3CPU<Impl>::syscall(int64_t callnum, int tid) -{ - DPRINTF(O3CPU, "[tid:%i] Executing syscall().\n\n", tid); - - DPRINTF(Activity,"Activity: syscall() called.\n"); - - // Temporarily increase this by one to account for the syscall - // instruction. - ++(this->thread[tid]->funcExeInst); - - // Execute the actual syscall. - this->thread[tid]->syscall(callnum); - - // Decrease funcExeInst by one as the normal commit will handle - // incrementing it. - --(this->thread[tid]->funcExeInst); -} - -template <class Impl> -TheISA::IntReg -AlphaO3CPU<Impl>::getSyscallArg(int i, int tid) -{ - assert(i < TheISA::NumArgumentRegs); - return this->readArchIntReg(AlphaISA::ArgumentReg[i], tid); -} - -template <class Impl> -void -AlphaO3CPU<Impl>::setSyscallArg(int i, TheISA::IntReg val, int tid) -{ - assert(i < TheISA::NumArgumentRegs); - this->setArchIntReg(AlphaISA::ArgumentReg[i], val, tid); -} - -template <class Impl> -void -AlphaO3CPU<Impl>::setSyscallReturn(SyscallReturn return_value, int tid) -{ - TheISA::setSyscallReturn(return_value, this->tcBase(tid)); -} -#endif diff --git a/src/cpu/o3/alpha/dyn_inst.hh b/src/cpu/o3/alpha/dyn_inst.hh index 180545c3d..06568bc94 100644 --- a/src/cpu/o3/alpha/dyn_inst.hh +++ b/src/cpu/o3/alpha/dyn_inst.hh @@ -34,8 +34,8 @@ #include "arch/isa_traits.hh" #include "cpu/base_dyn_inst.hh" #include "cpu/inst_seq.hh" -#include "cpu/o3/alpha/cpu.hh" #include "cpu/o3/alpha/impl.hh" +#include "cpu/o3/cpu.hh" class Packet; diff --git a/src/cpu/o3/alpha/impl.hh b/src/cpu/o3/alpha/impl.hh index d2d04292c..12ee495d1 100644 --- a/src/cpu/o3/alpha/impl.hh +++ b/src/cpu/o3/alpha/impl.hh @@ -41,7 +41,7 @@ template <class Impl> class AlphaDynInst; template <class Impl> -class AlphaO3CPU; +class FullO3CPU; /** Implementation specific struct that defines several key types to the * CPU, the stages within the CPU, the time buffers, and the DynInst. @@ -68,7 +68,7 @@ struct AlphaSimpleImpl typedef RefCountingPtr<DynInst> DynInstPtr; /** The O3CPU type to be used. */ - typedef AlphaO3CPU<AlphaSimpleImpl> O3CPU; + typedef FullO3CPU<AlphaSimpleImpl> O3CPU; /** Same typedef, but for CPUType. BaseDynInst may not always use * an O3 CPU, so it's clearer to call it CPUType instead in that diff --git a/src/cpu/o3/alpha/thread_context.hh b/src/cpu/o3/alpha/thread_context.hh deleted file mode 100644 index 6d61501ac..000000000 --- a/src/cpu/o3/alpha/thread_context.hh +++ /dev/null @@ -1,76 +0,0 @@ -/* - * Copyright (c) 2004-2006 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: Kevin Lim - */ - -#include "arch/alpha/types.hh" -#include "cpu/o3/thread_context.hh" - -template <class Impl> -class AlphaTC : public O3ThreadContext<Impl> -{ - public: -#if FULL_SYSTEM - /** Returns pointer to the quiesce event. */ - virtual EndQuiesceEvent *getQuiesceEvent() - { - return this->thread->quiesceEvent; - } -#endif - - virtual uint64_t readNextNPC() - { - return this->readNextPC() + sizeof(TheISA::MachInst); - } - - virtual void setNextNPC(uint64_t val) - { - panic("Alpha has no NextNPC!"); - } - - virtual void changeRegFileContext(TheISA::RegContextParam param, - TheISA::RegContextVal val) - { panic("Not supported on Alpha!"); } - - - /** This function exits the thread context in the CPU and returns - * 1 if the CPU has no more active threads (meaning it's OK to exit); - * Used in syscall-emulation mode when a thread executes the 'exit' - * syscall. - */ - virtual int exit() - { - this->deallocate(); - - // If there are still threads executing in the system - if (this->cpu->numActiveThreads()) - return 0; // don't exit simulation - else - return 1; // exit simulation - } -}; diff --git a/src/cpu/o3/base_dyn_inst.cc b/src/cpu/o3/base_dyn_inst.cc index 0979c5c8f..3cf89e1b6 100644 --- a/src/cpu/o3/base_dyn_inst.cc +++ b/src/cpu/o3/base_dyn_inst.cc @@ -29,6 +29,7 @@ */ #include "cpu/base_dyn_inst_impl.hh" +#include "cpu/o3/cpu.hh" #include "cpu/o3/isa_specific.hh" // Explicit instantiation diff --git a/src/cpu/o3/cpu.cc b/src/cpu/o3/cpu.cc index 13a0962fd..18b417141 100644 --- a/src/cpu/o3/cpu.cc +++ b/src/cpu/o3/cpu.cc @@ -37,6 +37,7 @@ #include "cpu/thread_context.hh" #include "cpu/o3/isa_specific.hh" #include "cpu/o3/cpu.hh" +#include "cpu/o3/thread_context.hh" #include "enums/MemoryMode.hh" #include "sim/core.hh" #include "sim/stat_control.hh" @@ -52,6 +53,10 @@ #include "cpu/checker/cpu.hh" #endif +#if THE_ISA == ALPHA_ISA +#include "arch/alpha/osfpal.hh" +#endif + class BaseCPUParams; using namespace TheISA; @@ -149,26 +154,26 @@ FullO3CPU<Impl>::DeallocateContextEvent::description() const } template <class Impl> -FullO3CPU<Impl>::FullO3CPU(O3CPU *o3_cpu, DerivO3CPUParams *params) +FullO3CPU<Impl>::FullO3CPU(DerivO3CPUParams *params) : BaseO3CPU(params), itb(params->itb), dtb(params->dtb), tickEvent(this), removeInstsThisCycle(false), - fetch(o3_cpu, params), - decode(o3_cpu, params), - rename(o3_cpu, params), - iew(o3_cpu, params), - commit(o3_cpu, params), + fetch(this, params), + decode(this, params), + rename(this, params), + iew(this, params), + commit(this, params), - regFile(o3_cpu, params->numPhysIntRegs, + regFile(this, params->numPhysIntRegs, params->numPhysFloatRegs), freeList(params->numThreads, TheISA::NumIntRegs, params->numPhysIntRegs, TheISA::NumFloatRegs, params->numPhysFloatRegs), - rob(o3_cpu, + rob(this, params->numROBEntries, params->squashWidth, params->smtROBPolicy, params->smtROBThreshold, params->numThreads), @@ -338,16 +343,117 @@ FullO3CPU<Impl>::FullO3CPU(O3CPU *o3_cpu, DerivO3CPUParams *params) //} contextSwitch = false; + DPRINTF(O3CPU, "Creating O3CPU object.\n"); + + // Setup any thread state. + this->thread.resize(this->numThreads); + + for (int i = 0; i < this->numThreads; ++i) { +#if FULL_SYSTEM + // SMT is not supported in FS mode yet. + assert(this->numThreads == 1); + this->thread[i] = new Thread(this, 0); + this->thread[i]->setStatus(ThreadContext::Suspended); +#else + if (i < params->workload.size()) { + DPRINTF(O3CPU, "Workload[%i] process is %#x", + i, this->thread[i]); + this->thread[i] = new typename FullO3CPU<Impl>::Thread( + (typename Impl::O3CPU *)(this), + i, params->workload[i], i); + + this->thread[i]->setStatus(ThreadContext::Suspended); + + //usedTids[i] = true; + //threadMap[i] = i; + } else { + //Allocate Empty thread so M5 can use later + //when scheduling threads to CPU + Process* dummy_proc = NULL; + + this->thread[i] = new typename FullO3CPU<Impl>::Thread( + (typename Impl::O3CPU *)(this), + i, dummy_proc, i); + //usedTids[i] = false; + } +#endif // !FULL_SYSTEM + + ThreadContext *tc; + + // Setup the TC that will serve as the interface to the threads/CPU. + O3ThreadContext<Impl> *o3_tc = new O3ThreadContext<Impl>; + + tc = o3_tc; + + // If we're using a checker, then the TC should be the + // CheckerThreadContext. +#if USE_CHECKER + if (params->checker) { + tc = new CheckerThreadContext<O3ThreadContext<Impl> >( + o3_tc, this->checker); + } +#endif + + o3_tc->cpu = (typename Impl::O3CPU *)(this); + assert(o3_tc->cpu); + o3_tc->thread = this->thread[i]; + +#if FULL_SYSTEM + // Setup quiesce event. + this->thread[i]->quiesceEvent = new EndQuiesceEvent(tc); +#endif + // Give the thread the TC. + this->thread[i]->tc = tc; + this->thread[i]->setCpuId(params->cpu_id); + + // Add the TC to the CPU's list of TC's. + this->threadContexts.push_back(tc); + } + + for (int i=0; i < this->numThreads; i++) { + this->thread[i]->setFuncExeInst(0); + } + + lockAddr = 0; + lockFlag = false; +} + +#if !FULL_SYSTEM + +template <class Impl> +TheISA::IntReg +FullO3CPU<Impl>::getSyscallArg(int i, int tid) +{ + assert(i < TheISA::NumArgumentRegs); + TheISA::IntReg idx = TheISA::flattenIntIndex(this->tcBase(tid), + TheISA::ArgumentReg[i]); + TheISA::IntReg val = this->readArchIntReg(idx, tid); +#if THE_ISA == SPARC_ISA + if (bits(this->readMiscRegNoEffect(SparcISA::MISCREG_PSTATE, tid), 3, 3)) + val = bits(val, 31, 0); +#endif + return val; } template <class Impl> +void +FullO3CPU<Impl>::setSyscallArg(int i, TheISA::IntReg val, int tid) +{ + assert(i < TheISA::NumArgumentRegs); + TheISA::IntReg idx = TheISA::flattenIntIndex(this->tcBase(tid), + TheISA::ArgumentReg[i]); + this->setArchIntReg(idx, val, tid); +} +#endif + +template <class Impl> FullO3CPU<Impl>::~FullO3CPU() { } template <class Impl> void -FullO3CPU<Impl>::fullCPURegStats() +FullO3CPU<Impl>::regStats() { BaseO3CPU::regStats(); @@ -401,6 +507,11 @@ FullO3CPU<Impl>::fullCPURegStats() .precision(6); totalIpc = totalCommittedInsts / numCycles; + this->fetch.regStats(); + this->decode.regStats(); + this->rename.regStats(); + this->iew.regStats(); + this->commit.regStats(); } template <class Impl> @@ -785,6 +896,84 @@ FullO3CPU<Impl>::activateWhenReady(int tid) #if FULL_SYSTEM template <class Impl> void +FullO3CPU<Impl>::post_interrupt(int int_num, int index) +{ + BaseCPU::post_interrupt(int_num, index); + + if (this->thread[0]->status() == ThreadContext::Suspended) { + DPRINTF(IPI,"Suspended Processor awoke\n"); + this->threadContexts[0]->activate(); + } +} + +template <class Impl> +Fault +FullO3CPU<Impl>::hwrei(unsigned tid) +{ +#if THE_ISA == ALPHA_ISA + // Need to clear the lock flag upon returning from an interrupt. + this->setMiscRegNoEffect(AlphaISA::MISCREG_LOCKFLAG, false, tid); + + this->thread[tid]->kernelStats->hwrei(); + + // FIXME: XXX check for interrupts? XXX +#endif + return NoFault; +} + +template <class Impl> +bool +FullO3CPU<Impl>::simPalCheck(int palFunc, unsigned tid) +{ +#if THE_ISA == ALPHA_ISA + if (this->thread[tid]->kernelStats) + this->thread[tid]->kernelStats->callpal(palFunc, + this->threadContexts[tid]); + + switch (palFunc) { + case PAL::halt: + halt(); + if (--System::numSystemsRunning == 0) + exitSimLoop("all cpus halted"); + break; + + case PAL::bpt: + case PAL::bugchk: + if (this->system->breakpoint()) + return false; + break; + } +#endif + return true; +} + +template <class Impl> +Fault +FullO3CPU<Impl>::getInterrupts() +{ + // Check if there are any outstanding interrupts + return this->interrupts.getInterrupt(this->threadContexts[0]); +} + +template <class Impl> +void +FullO3CPU<Impl>::processInterrupts(Fault interrupt) +{ + // 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. + // @todo: Possibly consolidate the interrupt checking code. + // @todo: Allow other threads to handle interrupts. + + assert(interrupt != NoFault); + this->interrupts.updateIntrInfo(this->threadContexts[0]); + + DPRINTF(O3CPU, "Interrupt %s being handled\n", interrupt->name()); + this->trap(interrupt, 0); +} + +template <class Impl> +void FullO3CPU<Impl>::updateMemPorts() { // Update all ThreadContext's memory ports (Functional/Virtual @@ -796,6 +985,45 @@ FullO3CPU<Impl>::updateMemPorts() template <class Impl> void +FullO3CPU<Impl>::trap(Fault fault, unsigned tid) +{ + // Pass the thread's TC into the invoke method. + fault->invoke(this->threadContexts[tid]); +} + +#if !FULL_SYSTEM + +template <class Impl> +void +FullO3CPU<Impl>::syscall(int64_t callnum, int tid) +{ + DPRINTF(O3CPU, "[tid:%i] Executing syscall().\n\n", tid); + + DPRINTF(Activity,"Activity: syscall() called.\n"); + + // Temporarily increase this by one to account for the syscall + // instruction. + ++(this->thread[tid]->funcExeInst); + + // Execute the actual syscall. + this->thread[tid]->syscall(callnum); + + // Decrease funcExeInst by one as the normal commit will handle + // incrementing it. + --(this->thread[tid]->funcExeInst); +} + +template <class Impl> +void +FullO3CPU<Impl>::setSyscallReturn(SyscallReturn return_value, int tid) +{ + TheISA::setSyscallReturn(return_value, this->tcBase(tid)); +} + +#endif + +template <class Impl> +void FullO3CPU<Impl>::serialize(std::ostream &os) { SimObject::State so_state = SimObject::getState(); @@ -994,6 +1222,36 @@ FullO3CPU<Impl>::takeOverFrom(BaseCPU *oldCPU) } template <class Impl> +TheISA::MiscReg +FullO3CPU<Impl>::readMiscRegNoEffect(int misc_reg, unsigned tid) +{ + return this->regFile.readMiscRegNoEffect(misc_reg, tid); +} + +template <class Impl> +TheISA::MiscReg +FullO3CPU<Impl>::readMiscReg(int misc_reg, unsigned tid) +{ + return this->regFile.readMiscReg(misc_reg, tid); +} + +template <class Impl> +void +FullO3CPU<Impl>::setMiscRegNoEffect(int misc_reg, + const TheISA::MiscReg &val, unsigned tid) +{ + this->regFile.setMiscRegNoEffect(misc_reg, val, tid); +} + +template <class Impl> +void +FullO3CPU<Impl>::setMiscReg(int misc_reg, + const TheISA::MiscReg &val, unsigned tid) +{ + this->regFile.setMiscReg(misc_reg, val, tid); +} + +template <class Impl> uint64_t FullO3CPU<Impl>::readIntReg(int reg_idx) { @@ -1212,6 +1470,14 @@ FullO3CPU<Impl>::setNextMicroPC(Addr new_PC,unsigned tid) } template <class Impl> +void +FullO3CPU<Impl>::squashFromTC(unsigned tid) +{ + this->thread[tid]->inSyscall = true; + this->commit.generateTCEvent(tid); +} + +template <class Impl> typename FullO3CPU<Impl>::ListIt FullO3CPU<Impl>::addInst(DynInstPtr &inst) { diff --git a/src/cpu/o3/cpu.hh b/src/cpu/o3/cpu.hh index 611d03bad..065dd10a0 100644 --- a/src/cpu/o3/cpu.hh +++ b/src/cpu/o3/cpu.hh @@ -99,6 +99,7 @@ class FullO3CPU : public BaseO3CPU typedef typename Impl::DynInstPtr DynInstPtr; typedef typename Impl::O3CPU O3CPU; + typedef O3ThreadState<Impl> ImplState; typedef O3ThreadState<Impl> Thread; typedef typename std::list<DynInstPtr>::iterator ListIt; @@ -201,6 +202,13 @@ class FullO3CPU : public BaseO3CPU activateThreadEvent[tid].squash(); } +#if !FULL_SYSTEM + TheISA::IntReg getSyscallArg(int i, int tid); + + /** Used to shift args for indirect syscall. */ + void setSyscallArg(int i, TheISA::IntReg val, int tid); +#endif + /** The tick event used for scheduling CPU ticks. */ ActivateThreadEvent activateThreadEvent[Impl::MaxThreads]; @@ -257,12 +265,12 @@ class FullO3CPU : public BaseO3CPU public: /** Constructs a CPU with the given parameters. */ - FullO3CPU(O3CPU *o3_cpu, DerivO3CPUParams *params); + FullO3CPU(DerivO3CPUParams *params); /** Destructor. */ ~FullO3CPU(); /** Registers statistics. */ - void fullCPURegStats(); + void regStats(); void demapPage(Addr vaddr, uint64_t asn) { @@ -368,12 +376,16 @@ class FullO3CPU : public BaseO3CPU virtual void unserialize(Checkpoint *cp, const std::string §ion); public: - /** Executes a syscall on this cycle. - * --------------------------------------- - * Note: this is a virtual function. CPU-Specific - * functionality defined in derived classes +#if !FULL_SYSTEM + /** Executes a syscall. + * @todo: Determine if this needs to be virtual. */ - virtual void syscall(int tid) { panic("Unimplemented!"); } + void syscall(int64_t callnum, int tid); + + /** Sets the return value of a syscall. */ + void setSyscallReturn(SyscallReturn return_value, int tid); + +#endif /** Starts draining the CPU's pipeline of all instructions in * order to stop all memory accesses. */ @@ -395,7 +407,27 @@ class FullO3CPU : public BaseO3CPU InstSeqNum getAndIncrementInstSeq() { return globalSeqNum++; } + /** Traps to handle given fault. */ + void trap(Fault fault, unsigned tid); + #if FULL_SYSTEM + /** Posts an interrupt. */ + void post_interrupt(int int_num, int index); + + /** HW return from error interrupt. */ + Fault hwrei(unsigned tid); + + bool simPalCheck(int palFunc, unsigned tid); + + /** Returns the Fault for any valid interrupt. */ + Fault getInterrupts(); + + /** Processes any an interrupt fault. */ + void processInterrupts(Fault interrupt); + + /** Halts the CPU. */ + void halt() { panic("Halt not implemented!\n"); } + /** Update the Virt and Phys ports of all ThreadContexts to * reflect change in memory connections. */ void updateMemPorts(); @@ -425,6 +457,24 @@ class FullO3CPU : public BaseO3CPU #endif /** Register accessors. Index refers to the physical register index. */ + + /** Reads a miscellaneous register. */ + TheISA::MiscReg readMiscRegNoEffect(int misc_reg, unsigned tid); + + /** Reads a misc. register, including any side effects the read + * might have as defined by the architecture. + */ + TheISA::MiscReg readMiscReg(int misc_reg, unsigned tid); + + /** Sets a miscellaneous register. */ + void setMiscRegNoEffect(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. + */ + void setMiscReg(int misc_reg, const TheISA::MiscReg &val, + unsigned tid); + uint64_t readIntReg(int reg_idx); TheISA::FloatReg readFloatReg(int reg_idx); @@ -496,6 +546,12 @@ class FullO3CPU : public BaseO3CPU /** Sets the commit next micro PC of a specific thread. */ void setNextMicroPC(Addr 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 + * state through the TC. + */ + void squashFromTC(unsigned tid); + /** Function to add instruction onto the head of the list of the * instructions. Used when new instructions are fetched. */ @@ -711,6 +767,25 @@ class FullO3CPU : public BaseO3CPU /** Available thread ids in the cpu*/ std::vector<unsigned> tids; + /** CPU read function, forwards read to LSQ. */ + template <class T> + Fault read(RequestPtr &req, T &data, int load_idx) + { + return this->iew.ldstQueue.read(req, data, load_idx); + } + + /** CPU write function, forwards write to LSQ. */ + template <class T> + Fault write(RequestPtr &req, T &data, int store_idx) + { + return this->iew.ldstQueue.write(req, data, store_idx); + } + + Addr lockAddr; + + /** Temporary fix for the lock flag, works in the UP case. */ + bool lockFlag; + /** Stat for total number of times the CPU is descheduled. */ Stats::Scalar<> timesIdled; /** Stat for total number of cycles the CPU spends descheduled. */ diff --git a/src/cpu/o3/isa_specific.hh b/src/cpu/o3/isa_specific.hh index 9e74f4c8c..5e759b41d 100755 --- a/src/cpu/o3/isa_specific.hh +++ b/src/cpu/o3/isa_specific.hh @@ -31,15 +31,12 @@ #include "cpu/base.hh" #if THE_ISA == ALPHA_ISA - #include "cpu/o3/alpha/cpu.hh" #include "cpu/o3/alpha/impl.hh" #include "cpu/o3/alpha/dyn_inst.hh" #elif THE_ISA == MIPS_ISA - #include "cpu/o3/mips/cpu.hh" #include "cpu/o3/mips/impl.hh" #include "cpu/o3/mips/dyn_inst.hh" #elif THE_ISA == SPARC_ISA - #include "cpu/o3/sparc/cpu.hh" #include "cpu/o3/sparc/impl.hh" #include "cpu/o3/sparc/dyn_inst.hh" #else diff --git a/src/cpu/o3/mips/cpu.cc b/src/cpu/o3/mips/cpu.cc index 420f460b2..bb78de0a6 100755 --- a/src/cpu/o3/mips/cpu.cc +++ b/src/cpu/o3/mips/cpu.cc @@ -29,11 +29,10 @@ * Korey Sewell */ +#include "cpu/o3/cpu.hh" #include "cpu/o3/mips/impl.hh" -#include "cpu/o3/mips/cpu_impl.hh" -#include "cpu/o3/mips/dyn_inst.hh" // Force instantiation of MipsO3CPU for all the implemntations that are // needed. Consider merging this and mips_dyn_inst.cc, and maybe all // classes that depend on a certain impl, into one file (mips_impl.cc?). -template class MipsO3CPU<MipsSimpleImpl>; +template class FullO3CPU<MipsSimpleImpl>; diff --git a/src/cpu/o3/mips/cpu.hh b/src/cpu/o3/mips/cpu.hh deleted file mode 100755 index 38eba5aeb..000000000 --- a/src/cpu/o3/mips/cpu.hh +++ /dev/null @@ -1,130 +0,0 @@ -/* - * 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: Kevin Lim - * Korey Sewell - */ - -#ifndef __CPU_O3_MIPS_CPU_HH__ -#define __CPU_O3_MIPS_CPU_HH__ - -#include "arch/mips/regfile.hh" -#include "arch/mips/syscallreturn.hh" -#include "cpu/thread_context.hh" -#include "cpu/o3/cpu.hh" -#include "sim/byteswap.hh" -#include "sim/faults.hh" - -class DerivO3CPUParams; -class EndQuiesceEvent; -namespace Kernel { - class Statistics; -}; - -class TranslatingPort; - -/** - * MipsO3CPU class. Derives from the FullO3CPU class, and - * implements all ISA and implementation specific functions of the - * CPU. This is the CPU class that is used for the SimObjects, and is - * what is given to the DynInsts. Most of its state exists in the - * FullO3CPU; the state is has is mainly for ISA specific - * functionality. - */ -template <class Impl> -class MipsO3CPU : public FullO3CPU<Impl> -{ - public: - typedef O3ThreadState<Impl> ImplState; - typedef O3ThreadState<Impl> Thread; - - /** Constructs an MipsO3CPU with the given parameters. */ - MipsO3CPU(DerivO3CPUParams *params); - - /** Registers statistics. */ - void regStats(); - - /** Reads a miscellaneous register. */ - TheISA::MiscReg readMiscRegNoEffect(int misc_reg, unsigned tid); - - /** Reads a misc. register, including any side effects the read - * might have as defined by the architecture. - */ - TheISA::MiscReg readMiscReg(int misc_reg, unsigned tid); - - /** Sets a miscellaneous register. */ - void setMiscRegNoEffect(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. - */ - void setMiscReg(int misc_reg, - const TheISA::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 - * state through the TC. - */ - void squashFromTC(unsigned tid); - - /** Traps to handle given fault. */ - void trap(Fault fault, unsigned tid); - - /** Executes a syscall. - * @todo: Determine if this needs to be virtual. - */ - void syscall(int64_t callnum, int tid); - /** Gets a syscall argument. */ - TheISA::IntReg getSyscallArg(int i, int tid); - - /** Used to shift args for indirect syscall. */ - void setSyscallArg(int i, TheISA::IntReg val, int tid); - - /** Sets the return value of a syscall. */ - void setSyscallReturn(SyscallReturn return_value, int tid); - - /** CPU read function, forwards read to LSQ. */ - template <class T> - Fault read(RequestPtr &req, T &data, int load_idx) - { - return this->iew.ldstQueue.read(req, data, load_idx); - } - - /** CPU write function, forwards write to LSQ. */ - template <class T> - Fault write(RequestPtr &req, T &data, int store_idx) - { - return this->iew.ldstQueue.write(req, data, store_idx); - } - - Addr lockAddr; - - /** Temporary fix for the lock flag, works in the UP case. */ - bool lockFlag; -}; - -#endif // __CPU_O3_MIPS_CPU_HH__ diff --git a/src/cpu/o3/mips/cpu_builder.cc b/src/cpu/o3/mips/cpu_builder.cc index 8fe34afab..11942e597 100644 --- a/src/cpu/o3/mips/cpu_builder.cc +++ b/src/cpu/o3/mips/cpu_builder.cc @@ -31,18 +31,17 @@ #include <string> +#include "config/full_system.hh" #include "config/use_checker.hh" -#include "cpu/base.hh" -#include "cpu/o3/mips/cpu.hh" +#include "cpu/o3/cpu.hh" #include "cpu/o3/mips/impl.hh" -#include "cpu/o3/fu_pool.hh" #include "params/DerivO3CPU.hh" -class DerivO3CPU : public MipsO3CPU<MipsSimpleImpl> +class DerivO3CPU : public FullO3CPU<MipsSimpleImpl> { public: DerivO3CPU(DerivO3CPUParams *p) - : MipsO3CPU<MipsSimpleImpl>(p) + : FullO3CPU<MipsSimpleImpl>(p) { } }; diff --git a/src/cpu/o3/mips/cpu_impl.hh b/src/cpu/o3/mips/cpu_impl.hh deleted file mode 100644 index 70dbb4ac4..000000000 --- a/src/cpu/o3/mips/cpu_impl.hh +++ /dev/null @@ -1,218 +0,0 @@ -/* - * 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: Kevin Lim - * Korey Sewell - */ - -#include "config/use_checker.hh" - -#include "arch/mips/faults.hh" -#include "base/cprintf.hh" -#include "base/statistics.hh" -#include "base/timebuf.hh" -#include "cpu/checker/thread_context.hh" -#include "sim/sim_events.hh" -#include "sim/stats.hh" - -#include "cpu/o3/mips/cpu.hh" -#include "cpu/o3/mips/thread_context.hh" -#include "cpu/o3/comm.hh" -#include "cpu/o3/thread_state.hh" - -#include "params/DerivO3CPU.hh" - -template <class Impl> -MipsO3CPU<Impl>::MipsO3CPU(DerivO3CPUParams *params) - : FullO3CPU<Impl>(this, params) -{ - DPRINTF(O3CPU, "Creating MipsO3CPU object.\n"); - - // Setup any thread state. - this->thread.resize(this->numThreads); - - for (int i = 0; i < this->numThreads; ++i) { - 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); - - this->thread[i]->setStatus(ThreadContext::Suspended); - - //usedTids[i] = true; - //threadMap[i] = i; - } else { - //Allocate Empty thread so M5 can use later - //when scheduling threads to CPU - Process* dummy_proc = NULL; - - this->thread[i] = new Thread(this, i, dummy_proc, i); - //usedTids[i] = false; - } - - ThreadContext *tc; - - // Setup the TC that will serve as the interface to the threads/CPU. - MipsTC<Impl> *mips_tc = - new MipsTC<Impl>; - - tc = mips_tc; - - // If we're using a checker, then the TC should be the - // CheckerThreadContext. -#if USE_CHECKER - if (params->checker) { - tc = new CheckerThreadContext<MipsTC<Impl> >( - mips_tc, this->checker); - } -#endif - - mips_tc->cpu = this; - mips_tc->thread = this->thread[i]; - - // Give the thread the TC. - this->thread[i]->tc = tc; - this->thread[i]->setCpuId(params->cpu_id); - - // Add the TC to the CPU's list of TC's. - this->threadContexts.push_back(tc); - } - - for (int i=0; i < this->numThreads; i++) { - this->thread[i]->setFuncExeInst(0); - } - - lockAddr = 0; - lockFlag = false; -} - -template <class Impl> -void -MipsO3CPU<Impl>::regStats() -{ - // Register stats for everything that has stats. - this->fullCPURegStats(); - this->fetch.regStats(); - this->decode.regStats(); - this->rename.regStats(); - this->iew.regStats(); - this->commit.regStats(); -} - - -template <class Impl> -MiscReg -MipsO3CPU<Impl>::readMiscRegNoEffect(int misc_reg, unsigned tid) -{ - return this->regFile.readMiscRegNoEffect(misc_reg, tid); -} - -template <class Impl> -MiscReg -MipsO3CPU<Impl>::readMiscReg(int misc_reg, unsigned tid) -{ - return this->regFile.readMiscReg(misc_reg, tid); -} - -template <class Impl> -void -MipsO3CPU<Impl>::setMiscRegNoEffect(int misc_reg, const MiscReg &val, unsigned tid) -{ - this->regFile.setMiscRegNoEffect(misc_reg, val, tid); -} - -template <class Impl> -void -MipsO3CPU<Impl>::setMiscReg(int misc_reg, const MiscReg &val, - unsigned tid) -{ - this->regFile.setMiscReg(misc_reg, val, tid); -} - -template <class Impl> -void -MipsO3CPU<Impl>::squashFromTC(unsigned tid) -{ - this->thread[tid]->inSyscall = true; - this->commit.generateTCEvent(tid); -} - -template <class Impl> -void -MipsO3CPU<Impl>::trap(Fault fault, unsigned tid) -{ - // Pass the thread's TC into the invoke method. - fault->invoke(this->threadContexts[tid]); -} - -#if !FULL_SYSTEM - -template <class Impl> -void -MipsO3CPU<Impl>::syscall(int64_t callnum, int tid) -{ - DPRINTF(O3CPU, "[tid:%i] Executing syscall().\n\n", tid); - - DPRINTF(Activity,"Activity: syscall() called.\n"); - - // Temporarily increase this by one to account for the syscall - // instruction. - ++(this->thread[tid]->funcExeInst); - - // Execute the actual syscall. - this->thread[tid]->syscall(callnum); - - // Decrease funcExeInst by one as the normal commit will handle - // incrementing it. - --(this->thread[tid]->funcExeInst); - - DPRINTF(O3CPU, "[tid:%i] Register 2 is %i ", tid, this->readIntReg(2)); -} - -template <class Impl> -TheISA::IntReg -MipsO3CPU<Impl>::getSyscallArg(int i, int tid) -{ - assert(i < TheISA::NumArgumentRegs); - return this->readArchIntReg(MipsISA::ArgumentReg[i], tid); -} - -template <class Impl> -void -MipsO3CPU<Impl>::setSyscallArg(int i, IntReg val, int tid) -{ - assert(i < TheISA::NumArgumentRegs); - this->setArchIntReg(MipsISA::ArgumentReg[i], val, tid); -} - -template <class Impl> -void -MipsO3CPU<Impl>::setSyscallReturn(SyscallReturn return_value, int tid) -{ - TheISA::setSyscallReturn(return_value, this->tcBase(tid)); -} -#endif diff --git a/src/cpu/o3/mips/dyn_inst.hh b/src/cpu/o3/mips/dyn_inst.hh index 861577966..320d6703f 100755 --- a/src/cpu/o3/mips/dyn_inst.hh +++ b/src/cpu/o3/mips/dyn_inst.hh @@ -35,7 +35,7 @@ #include "arch/isa_traits.hh" #include "cpu/base_dyn_inst.hh" #include "cpu/inst_seq.hh" -#include "cpu/o3/mips/cpu.hh" +#include "cpu/o3/cpu.hh" #include "cpu/o3/mips/impl.hh" class Packet; diff --git a/src/cpu/o3/mips/impl.hh b/src/cpu/o3/mips/impl.hh index 481184006..dbaa4a276 100644 --- a/src/cpu/o3/mips/impl.hh +++ b/src/cpu/o3/mips/impl.hh @@ -42,7 +42,7 @@ template <class Impl> class MipsDynInst; template <class Impl> -class MipsO3CPU; +class FullO3CPU; /** Implementation specific struct that defines several key types to the * CPU, the stages within the CPU, the time buffers, and the DynInst. @@ -69,7 +69,7 @@ struct MipsSimpleImpl typedef RefCountingPtr<DynInst> DynInstPtr; /** The O3CPU type to be used. */ - typedef MipsO3CPU<MipsSimpleImpl> O3CPU; + typedef FullO3CPU<MipsSimpleImpl> O3CPU; /** Same typedef, but for CPUType. BaseDynInst may not always use * an O3 CPU, so it's clearer to call it CPUType instead in that diff --git a/src/cpu/o3/mips/thread_context.hh b/src/cpu/o3/mips/thread_context.hh deleted file mode 100644 index 26b1e2e7f..000000000 --- a/src/cpu/o3/mips/thread_context.hh +++ /dev/null @@ -1,68 +0,0 @@ -/* - * 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: Kevin Lim - * Korey Sewell - */ - -#include "arch/mips/types.hh" -#include "cpu/o3/thread_context.hh" - -template <class Impl> -class MipsTC : public O3ThreadContext<Impl> -{ - public: - virtual uint64_t readNextNPC() - { - return this->cpu->readNextNPC(this->thread->readTid()); - } - - virtual void setNextNPC(uint64_t val) - { - this->cpu->setNextNPC(val, this->thread->readTid()); - } - - virtual void changeRegFileContext(TheISA::RegContextParam param, - TheISA::RegContextVal val) - { panic("Not supported on Mips!"); } - - /** This function exits the thread context in the CPU and returns - * 1 if the CPU has no more active threads (meaning it's OK to exit); - * Used in syscall-emulation mode when a thread executes the 'exit' - * syscall. - */ - virtual int exit() - { - this->deallocate(); - - // If there are still threads executing in the system - if (this->cpu->numActiveThreads()) - return 0; // don't exit simulation - else - return 1; // exit simulation - } -}; diff --git a/src/cpu/o3/sparc/cpu.cc b/src/cpu/o3/sparc/cpu.cc index 1546a2b88..738ff0108 100644 --- a/src/cpu/o3/sparc/cpu.cc +++ b/src/cpu/o3/sparc/cpu.cc @@ -28,11 +28,10 @@ * Authors: Gabe Black */ +#include "cpu/o3/cpu.hh" #include "cpu/o3/sparc/impl.hh" -#include "cpu/o3/sparc/cpu_impl.hh" -#include "cpu/o3/sparc/dyn_inst.hh" // Force instantiation of SparcO3CPU for all the implementations that are // needed. Consider merging this and sparc_dyn_inst.cc, and maybe all // classes that depend on a certain impl, into one file (sparc_impl.cc?). -template class SparcO3CPU<SparcSimpleImpl>; +template class FullO3CPU<SparcSimpleImpl>; diff --git a/src/cpu/o3/sparc/cpu.hh b/src/cpu/o3/sparc/cpu.hh deleted file mode 100644 index cccfd7d52..000000000 --- a/src/cpu/o3/sparc/cpu.hh +++ /dev/null @@ -1,148 +0,0 @@ -/* - * Copyright (c) 2004-2006 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: Kevin Lim - */ - -#ifndef __CPU_O3_SPARC_CPU_HH__ -#define __CPU_O3_SPARC_CPU_HH__ - -#include "arch/sparc/regfile.hh" -#include "arch/sparc/types.hh" -#include "cpu/thread_context.hh" -#include "cpu/o3/cpu.hh" -#include "sim/byteswap.hh" - -class DerivO3CPUParams; -class EndQuiesceEvent; -namespace Kernel { - class Statistics; -}; - -class TranslatingPort; - -/** - * SparcO3CPU class. Derives from the FullO3CPU class, and - * implements all ISA and implementation specific functions of the - * CPU. This is the CPU class that is used for the SimObjects, and is - * what is given to the DynInsts. Most of its state exists in the - * FullO3CPU; the state is has is mainly for ISA specific - * functionality. - */ -template <class Impl> -class SparcO3CPU : public FullO3CPU<Impl> -{ - public: - typedef O3ThreadState<Impl> ImplState; - typedef O3ThreadState<Impl> Thread; - - /** Constructs an AlphaO3CPU with the given parameters. */ - SparcO3CPU(DerivO3CPUParams *params); - - /** Registers statistics. */ - void regStats(); - - /** Reads a miscellaneous register. */ - TheISA::MiscReg readMiscRegNoEffect(int misc_reg, unsigned tid); - - /** Reads a misc. register, including any side effects the read - * might have as defined by the architecture. - */ - TheISA::MiscReg readMiscReg(int misc_reg, unsigned tid); - - /** Sets a miscellaneous register. */ - void setMiscRegNoEffect(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. - */ - void setMiscReg(int misc_reg, const TheISA::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 - * state through the TC. - */ - void squashFromTC(unsigned tid); - -#if FULL_SYSTEM - /** Posts an interrupt. */ - void post_interrupt(int int_num, int index); - /** HW return from error interrupt. */ - Fault hwrei(unsigned tid); - - bool simPalCheck(int palFunc, unsigned tid); - - /** Returns the Fault for any valid interrupt. */ - Fault getInterrupts(); - - /** Processes any an interrupt fault. */ - void processInterrupts(Fault interrupt); - - /** Halts the CPU. */ - void halt() { panic("Halt not implemented!\n"); } -#endif - - /** Traps to handle given fault. */ - void trap(Fault fault, unsigned tid); - -#if !FULL_SYSTEM - /** Executes a syscall. - * @todo: Determine if this needs to be virtual. - */ - void syscall(int64_t callnum, int tid); - /** Gets a syscall argument. */ - TheISA::IntReg getSyscallArg(int i, int tid); - - /** Used to shift args for indirect syscall. */ - void setSyscallArg(int i, TheISA::IntReg val, int tid); - - /** Sets the return value of a syscall. */ - void setSyscallReturn(SyscallReturn return_value, int tid); -#endif - - /** CPU read function, forwards read to LSQ. */ - template <class T> - Fault read(RequestPtr &req, T &data, int load_idx) - { - return this->iew.ldstQueue.read(req, data, load_idx); - } - - /** CPU write function, forwards write to LSQ. */ - template <class T> - Fault write(RequestPtr &req, T &data, int store_idx) - { - return this->iew.ldstQueue.write(req, data, store_idx); - } - - Addr lockAddr; - - /** Temporary fix for the lock flag, works in the UP case. */ - bool lockFlag; -}; - -#endif // __CPU_O3_SPARC_CPU_HH__ diff --git a/src/cpu/o3/sparc/cpu_builder.cc b/src/cpu/o3/sparc/cpu_builder.cc index c5ea31210..c19b4871f 100644 --- a/src/cpu/o3/sparc/cpu_builder.cc +++ b/src/cpu/o3/sparc/cpu_builder.cc @@ -32,17 +32,15 @@ #include "config/full_system.hh" #include "config/use_checker.hh" -#include "cpu/base.hh" -#include "cpu/o3/sparc/cpu.hh" +#include "cpu/o3/cpu.hh" #include "cpu/o3/sparc/impl.hh" -#include "cpu/o3/fu_pool.hh" #include "params/DerivO3CPU.hh" -class DerivO3CPU : public SparcO3CPU<SparcSimpleImpl> +class DerivO3CPU : public FullO3CPU<SparcSimpleImpl> { public: DerivO3CPU(DerivO3CPUParams *p) - : SparcO3CPU<SparcSimpleImpl>(p) + : FullO3CPU<SparcSimpleImpl>(p) { } }; diff --git a/src/cpu/o3/sparc/cpu_impl.hh b/src/cpu/o3/sparc/cpu_impl.hh deleted file mode 100644 index 2dd38845f..000000000 --- a/src/cpu/o3/sparc/cpu_impl.hh +++ /dev/null @@ -1,300 +0,0 @@ -/* - * Copyright (c) 2004-2006 The Regents of The University of Michigan - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Authors: Gabe Black - */ - -#include "config/use_checker.hh" - -#include "arch/sparc/faults.hh" -#include "arch/sparc/isa_traits.hh" -#include "arch/sparc/miscregfile.hh" -#include "base/cprintf.hh" -#include "base/statistics.hh" -#include "base/timebuf.hh" -#include "cpu/checker/thread_context.hh" -#include "sim/sim_events.hh" -#include "sim/stats.hh" - -#include "cpu/o3/sparc/cpu.hh" -#include "cpu/o3/sparc/thread_context.hh" -#include "cpu/o3/comm.hh" -#include "cpu/o3/thread_state.hh" - -#if FULL_SYSTEM -#include "arch/sparc/isa_traits.hh" -#include "arch/sparc/kernel_stats.hh" -#include "cpu/quiesce_event.hh" -#include "sim/sim_exit.hh" -#include "sim/system.hh" -#endif - -#include "params/DerivO3CPU.hh" - -template <class Impl> -SparcO3CPU<Impl>::SparcO3CPU(DerivO3CPUParams *params) : - FullO3CPU<Impl>(this, params) -{ - DPRINTF(O3CPU, "Creating SparcO3CPU object.\n"); - - // Setup any thread state. - this->thread.resize(this->numThreads); - - for (int i = 0; i < this->numThreads; ++i) { -#if FULL_SYSTEM - // SMT is not supported in FS mode yet. - assert(this->numThreads == 1); - this->thread[i] = new Thread(this, 0); - this->thread[i]->setStatus(ThreadContext::Suspended); -#else - 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); - - this->thread[i]->setStatus(ThreadContext::Suspended); - - //usedTids[i] = true; - //threadMap[i] = i; - } else { - //Allocate Empty thread so M5 can use later - //when scheduling threads to CPU - Process* dummy_proc = NULL; - - this->thread[i] = new Thread(this, i, dummy_proc, i); - //usedTids[i] = false; - } -#endif // !FULL_SYSTEM - - ThreadContext *tc; - - // Setup the TC that will serve as the interface to the threads/CPU. - SparcTC<Impl> *sparc_tc = new SparcTC<Impl>; - - tc = sparc_tc; - - // If we're using a checker, then the TC should be the - // CheckerThreadContext. -#if USE_CHECKER - if (params->checker) { - tc = new CheckerThreadContext<SparcTC<Impl> >( - sparc_tc, this->checker); - } -#endif - - sparc_tc->cpu = this; - sparc_tc->thread = this->thread[i]; - -#if FULL_SYSTEM - // Setup quiesce event. - this->thread[i]->quiesceEvent = new EndQuiesceEvent(tc); -#endif - // Give the thread the TC. - this->thread[i]->tc = tc; - this->thread[i]->setCpuId(params->cpu_id); - - // Add the TC to the CPU's list of TC's. - this->threadContexts.push_back(tc); - } - - for (int i=0; i < this->numThreads; i++) { - this->thread[i]->setFuncExeInst(0); - } - - lockAddr = 0; - lockFlag = false; -} - -template <class Impl> -void -SparcO3CPU<Impl>::regStats() -{ - // Register stats for everything that has stats. - this->fullCPURegStats(); - this->fetch.regStats(); - this->decode.regStats(); - this->rename.regStats(); - this->iew.regStats(); - this->commit.regStats(); -} - - -template <class Impl> -TheISA::MiscReg -SparcO3CPU<Impl>::readMiscRegNoEffect(int misc_reg, unsigned tid) -{ - return this->regFile.readMiscRegNoEffect(misc_reg, tid); -} - -template <class Impl> -TheISA::MiscReg -SparcO3CPU<Impl>::readMiscReg(int misc_reg, unsigned tid) -{ - return this->regFile.readMiscReg(misc_reg, tid); -} - -template <class Impl> -void -SparcO3CPU<Impl>::setMiscRegNoEffect(int misc_reg, - const SparcISA::MiscReg &val, unsigned tid) -{ - this->regFile.setMiscRegNoEffect(misc_reg, val, tid); -} - -template <class Impl> -void -SparcO3CPU<Impl>::setMiscReg(int misc_reg, - const SparcISA::MiscReg &val, unsigned tid) -{ - this->regFile.setMiscReg(misc_reg, val, tid); -} - -template <class Impl> -void -SparcO3CPU<Impl>::squashFromTC(unsigned tid) -{ - this->thread[tid]->inSyscall = true; - this->commit.generateTCEvent(tid); -} - -#if FULL_SYSTEM - -template <class Impl> -void -SparcO3CPU<Impl>::post_interrupt(int int_num, int index) -{ - BaseCPU::post_interrupt(int_num, index); - - if (this->thread[0]->status() == ThreadContext::Suspended) { - DPRINTF(IPI,"Suspended Processor awoke\n"); - this->threadContexts[0]->activate(); - } -} - -template <class Impl> -Fault -SparcO3CPU<Impl>::hwrei(unsigned tid) -{ - panic("This doesn't make sense for SPARC\n"); - return NoFault; -} - -template <class Impl> -bool -SparcO3CPU<Impl>::simPalCheck(int palFunc, unsigned tid) -{ - panic("This doesn't make sense for SPARC\n"); - return true; -} - -template <class Impl> -Fault -SparcO3CPU<Impl>::getInterrupts() -{ - // Check if there are any outstanding interrupts - return this->interrupts.getInterrupt(this->threadContexts[0]); -} - -template <class Impl> -void -SparcO3CPU<Impl>::processInterrupts(Fault interrupt) -{ - // 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. - // @todo: Possibly consolidate the interrupt checking code. - // @todo: Allow other threads to handle interrupts. - - assert(interrupt != NoFault); - this->interrupts.updateIntrInfo(this->threadContexts[0]); - - DPRINTF(O3CPU, "Interrupt %s being handled\n", interrupt->name()); - this->trap(interrupt, 0); -} - -#endif // FULL_SYSTEM - -template <class Impl> -void -SparcO3CPU<Impl>::trap(Fault fault, unsigned tid) -{ - // Pass the thread's TC into the invoke method. - fault->invoke(this->threadContexts[tid]); -} - -#if !FULL_SYSTEM - -template <class Impl> -void -SparcO3CPU<Impl>::syscall(int64_t callnum, int tid) -{ - DPRINTF(O3CPU, "[tid:%i] Executing syscall().\n\n", tid); - - DPRINTF(Activity,"Activity: syscall() called.\n"); - - // Temporarily increase this by one to account for the syscall - // instruction. - ++(this->thread[tid]->funcExeInst); - - // Execute the actual syscall. - this->thread[tid]->syscall(callnum); - - // Decrease funcExeInst by one as the normal commit will handle - // incrementing it. - --(this->thread[tid]->funcExeInst); -} - -template <class Impl> -TheISA::IntReg -SparcO3CPU<Impl>::getSyscallArg(int i, int tid) -{ - assert(i < TheISA::NumArgumentRegs); - TheISA::IntReg idx = TheISA::flattenIntIndex(this->tcBase(tid), - SparcISA::ArgumentReg[i]); - TheISA::IntReg val = this->readArchIntReg(idx, tid); - if (bits(this->readMiscRegNoEffect(SparcISA::MISCREG_PSTATE, tid), 3, 3)) - val = bits(val, 31, 0); - return val; -} - -template <class Impl> -void -SparcO3CPU<Impl>::setSyscallArg(int i, TheISA::IntReg val, int tid) -{ - assert(i < TheISA::NumArgumentRegs); - TheISA::IntReg idx = TheISA::flattenIntIndex(this->tcBase(tid), - SparcISA::ArgumentReg[i]); - this->setArchIntReg(idx, val, tid); -} - -template <class Impl> -void -SparcO3CPU<Impl>::setSyscallReturn(SyscallReturn return_value, int tid) -{ - TheISA::setSyscallReturn(return_value, this->tcBase(tid)); -} -#endif diff --git a/src/cpu/o3/sparc/dyn_inst.hh b/src/cpu/o3/sparc/dyn_inst.hh index a7ab6cd79..4ec41946d 100644 --- a/src/cpu/o3/sparc/dyn_inst.hh +++ b/src/cpu/o3/sparc/dyn_inst.hh @@ -35,7 +35,7 @@ #include "arch/sparc/types.hh" #include "cpu/base_dyn_inst.hh" #include "cpu/inst_seq.hh" -#include "cpu/o3/sparc/cpu.hh" +#include "cpu/o3/cpu.hh" #include "cpu/o3/sparc/impl.hh" class Packet; diff --git a/src/cpu/o3/sparc/impl.hh b/src/cpu/o3/sparc/impl.hh index 982fe36cc..bcf8e5cc6 100644 --- a/src/cpu/o3/sparc/impl.hh +++ b/src/cpu/o3/sparc/impl.hh @@ -41,7 +41,7 @@ template <class Impl> class SparcDynInst; template <class Impl> -class SparcO3CPU; +class FullO3CPU; /** Implementation specific struct that defines several key types to the * CPU, the stages within the CPU, the time buffers, and the DynInst. @@ -68,7 +68,7 @@ struct SparcSimpleImpl typedef RefCountingPtr<DynInst> DynInstPtr; /** The O3CPU type to be used. */ - typedef SparcO3CPU<SparcSimpleImpl> O3CPU; + typedef FullO3CPU<SparcSimpleImpl> O3CPU; /** Same typedef, but for CPUType. BaseDynInst may not always use * an O3 CPU, so it's clearer to call it CPUType instead in that diff --git a/src/cpu/o3/sparc/thread_context.hh b/src/cpu/o3/sparc/thread_context.hh deleted file mode 100644 index 7497959e4..000000000 --- a/src/cpu/o3/sparc/thread_context.hh +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Copyright (c) 2004-2006 The Regents of The University of Michigan - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Authors: Gabe Black - */ - -#include "arch/sparc/types.hh" -#include "cpu/o3/thread_context.hh" - -template <class Impl> -class SparcTC : public O3ThreadContext<Impl> -{ - public: -#if FULL_SYSTEM - /** Returns pointer to the quiesce event. */ - virtual EndQuiesceEvent *getQuiesceEvent() - { - return this->thread->quiesceEvent; - } -#endif - - virtual uint64_t readNextNPC() - { - return this->cpu->readNextNPC(this->thread->readTid()); - } - - virtual void setNextNPC(uint64_t val) - { - this->cpu->setNextNPC(val, this->thread->readTid()); - } - - virtual void changeRegFileContext(TheISA::RegContextParam param, - TheISA::RegContextVal val) - { - //XXX Ignore this for now. This -really- needs to get fixed. - } - - - /** This function exits the thread context in the CPU and returns - * 1 if the CPU has no more active threads (meaning it's OK to exit); - * Used in syscall-emulation mode when a thread executes the 'exit' - * syscall. - */ - virtual int exit() - { - this->deallocate(); - - // If there are still threads executing in the system - if (this->cpu->numActiveThreads()) - return 0; // don't exit simulation - else - return 1; // exit simulation - } -}; diff --git a/src/cpu/o3/thread_context.hh b/src/cpu/o3/thread_context.hh index 66dc47f0b..d92f85317 100755 --- a/src/cpu/o3/thread_context.hh +++ b/src/cpu/o3/thread_context.hh @@ -260,7 +260,51 @@ class O3ThreadContext : public ThreadContext /** Reads the funcExeInst counter. */ virtual Counter readFuncExeInst() { return thread->funcExeInst; } +#else + /** Returns pointer to the quiesce event. */ + virtual EndQuiesceEvent *getQuiesceEvent() + { + return this->thread->quiesceEvent; + } +#endif + + virtual uint64_t readNextNPC() + { + return this->cpu->readNextNPC(this->thread->readTid()); + } + + virtual void setNextNPC(uint64_t val) + { +#if THE_ISA == ALPHA_ISA + panic("Not supported on Alpha!"); #endif + this->cpu->setNextNPC(val, this->thread->readTid()); + } + + virtual void changeRegFileContext(TheISA::RegContextParam param, + TheISA::RegContextVal val) + { +#if THE_ISA != SPARC_ISA + panic("changeRegFileContext not implemented."); +#endif + } + + + /** This function exits the thread context in the CPU and returns + * 1 if the CPU has no more active threads (meaning it's OK to exit); + * Used in syscall-emulation mode when a thread executes the 'exit' + * syscall. + */ + virtual int exit() + { + this->deallocate(); + + // If there are still threads executing in the system + if (this->cpu->numActiveThreads()) + return 0; // don't exit simulation + else + return 1; // exit simulation + } }; #endif |