diff options
Diffstat (limited to 'src/cpu/ozone')
-rw-r--r-- | src/cpu/ozone/back_end.hh | 12 | ||||
-rw-r--r-- | src/cpu/ozone/cpu.hh | 27 | ||||
-rw-r--r-- | src/cpu/ozone/cpu_impl.hh | 202 | ||||
-rw-r--r-- | src/cpu/ozone/front_end.hh | 10 | ||||
-rw-r--r-- | src/cpu/ozone/front_end_impl.hh | 12 | ||||
-rw-r--r-- | src/cpu/ozone/inorder_back_end.hh | 12 | ||||
-rw-r--r-- | src/cpu/ozone/lw_back_end.hh | 16 | ||||
-rw-r--r-- | src/cpu/ozone/lw_back_end_impl.hh | 24 | ||||
-rw-r--r-- | src/cpu/ozone/lw_lsq.hh | 2 | ||||
-rw-r--r-- | src/cpu/ozone/lw_lsq_impl.hh | 2 | ||||
-rw-r--r-- | src/cpu/ozone/thread_state.hh | 14 |
11 files changed, 168 insertions, 165 deletions
diff --git a/src/cpu/ozone/back_end.hh b/src/cpu/ozone/back_end.hh index 63823363e..75ef310b3 100644 --- a/src/cpu/ozone/back_end.hh +++ b/src/cpu/ozone/back_end.hh @@ -14,7 +14,7 @@ #include "mem/request.hh" #include "sim/eventq.hh" -class ExecContext; +class ThreadContext; template <class Impl> class OzoneThreadState; @@ -172,8 +172,8 @@ class BackEnd void setFrontEnd(FrontEnd *front_end_ptr) { frontEnd = front_end_ptr; } - void setXC(ExecContext *xc_ptr) - { xc = xc_ptr; } + void setTC(ThreadContext *tc_ptr) + { tc = tc_ptr; } void setThreadState(Thread *thread_ptr) { thread = thread_ptr; } @@ -182,8 +182,8 @@ class BackEnd void tick(); void squash(); - void squashFromXC(); - bool xcSquash; + void squashFromTC(); + bool tcSquash; template <class T> Fault read(RequestPtr req, T &data, int load_idx); @@ -240,7 +240,7 @@ class BackEnd FrontEnd *frontEnd; - ExecContext *xc; + ThreadContext *tc; Thread *thread; diff --git a/src/cpu/ozone/cpu.hh b/src/cpu/ozone/cpu.hh index d82527c8d..55e3813ae 100644 --- a/src/cpu/ozone/cpu.hh +++ b/src/cpu/ozone/cpu.hh @@ -37,7 +37,7 @@ #include "base/timebuf.hh" #include "config/full_system.hh" #include "cpu/base.hh" -#include "cpu/exec_context.hh" +#include "cpu/thread_context.hh" #include "cpu/inst_seq.hh" #include "cpu/ozone/rename_table.hh" #include "cpu/ozone/thread_state.hh" @@ -101,7 +101,7 @@ class OzoneCPU : public BaseCPU typedef TheISA::MiscReg MiscReg; public: - class OzoneXC : public ExecContext { + class OzoneTC : public ThreadContext { public: OzoneCPU<Impl> *cpu; @@ -150,7 +150,7 @@ class OzoneCPU : public BaseCPU void dumpFuncProfile(); #endif - void takeOverFrom(ExecContext *old_context); + void takeOverFrom(ThreadContext *old_context); void regStats(const std::string &name); @@ -172,7 +172,7 @@ class OzoneCPU : public BaseCPU // Also somewhat obnoxious. Really only used for the TLB fault. TheISA::MachInst getInst(); - void copyArchRegs(ExecContext *xc); + void copyArchRegs(ThreadContext *tc); void clearArchRegs(); @@ -254,10 +254,13 @@ class OzoneCPU : public BaseCPU { panic("Not supported on Alpha!"); } }; - // execution context proxy - OzoneXC ozoneXC; - ExecContext *xcProxy; - ExecContext *checkerXC; + // Ozone specific thread context + OzoneTC ozoneTC; + // Thread context to be used + ThreadContext *tc; + // Checker thread context; will wrap the OzoneTC if a checker is + // being used. + ThreadContext *checkerTC; typedef OzoneThreadState<Impl> ImplState; @@ -538,8 +541,8 @@ class OzoneCPU : public BaseCPU // and all other stores (WH64?). Unsuccessful Store // Conditionals would have returned above, and wouldn't fall // through. - for (int i = 0; i < this->system->execContexts.size(); i++){ - xc = this->system->execContexts[i]; + for (int i = 0; i < this->system->threadContexts.size(); i++){ + xc = this->system->threadContexts[i]; if ((xc->readMiscReg(TheISA::Lock_Addr_DepTag) & ~0xf) == (req->paddr & ~0xf)) { xc->setMiscReg(TheISA::Lock_Flag_DepTag, false); @@ -595,7 +598,7 @@ class OzoneCPU : public BaseCPU InstSeqNum globalSeqNum; public: - void squashFromXC(); + void squashFromTC(); // @todo: This can be a useful debug function. Implement it. void dumpInsts() { frontEnd->dumpInsts(); } @@ -613,7 +616,7 @@ class OzoneCPU : public BaseCPU void setSyscallReturn(SyscallReturn return_value, int tid); #endif - ExecContext *xcBase() { return xcProxy; } + ThreadContext *tcBase() { return tc; } bool decoupledFrontEnd; struct CommStruct { diff --git a/src/cpu/ozone/cpu_impl.hh b/src/cpu/ozone/cpu_impl.hh index c8803813d..0763a30b3 100644 --- a/src/cpu/ozone/cpu_impl.hh +++ b/src/cpu/ozone/cpu_impl.hh @@ -37,7 +37,7 @@ #include "config/full_system.hh" #include "cpu/base.hh" #include "cpu/checker/exec_context.hh" -#include "cpu/exec_context.hh" +#include "cpu/thread_context.hh" #include "cpu/exetrace.hh" #include "cpu/ozone/cpu.hh" #include "cpu/quiesce_event.hh" @@ -121,28 +121,28 @@ OzoneCPU<Impl>::OzoneCPU(Params *p) #if FULL_SYSTEM checker->setSystem(p->system); #endif - checkerXC = new CheckerExecContext<OzoneXC>(&ozoneXC, checker); - thread.xcProxy = checkerXC; - xcProxy = checkerXC; + checkerTC = new CheckerThreadContext<OzoneTC>(&ozoneTC, checker); + thread.tc = checkerTC; + tc = checkerXC; } else { checker = NULL; - thread.xcProxy = &ozoneXC; - xcProxy = &ozoneXC; + thread.tc = &ozoneTC; + tc = &ozoneTC; } - ozoneXC.cpu = this; - ozoneXC.thread = &thread; + ozoneTC.cpu = this; + ozoneTC.thread = &thread; thread.inSyscall = false; - thread.setStatus(ExecContext::Suspended); + thread.setStatus(ThreadContext::Suspended); #if FULL_SYSTEM /***** All thread state stuff *****/ thread.cpu = this; thread.tid = 0; thread.mem = p->mem; - thread.quiesceEvent = new EndQuiesceEvent(xcProxy); + thread.quiesceEvent = new EndQuiesceEvent(tc); system = p->system; itb = p->itb; @@ -152,10 +152,10 @@ OzoneCPU<Impl>::OzoneCPU(Params *p) if (p->profile) { thread.profile = new FunctionProfile(p->system->kernelSymtab); - // @todo: This might be better as an ExecContext instead of OzoneXC + // @todo: This might be better as an ThreadContext instead of OzoneTC Callback *cb = - new MakeCallback<OzoneXC, - &OzoneXC::dumpFuncProfile>(&ozoneXC); + new MakeCallback<OzoneTC, + &OzoneTC::dumpFuncProfile>(&ozoneTC); registerExitCallback(cb); } @@ -174,13 +174,13 @@ OzoneCPU<Impl>::OzoneCPU(Params *p) numInst = 0; startNumInst = 0; - execContexts.push_back(xcProxy); + threadContexts.push_back(tc); frontEnd->setCPU(this); backEnd->setCPU(this); - frontEnd->setXC(xcProxy); - backEnd->setXC(xcProxy); + frontEnd->setTC(tc); + backEnd->setTC(tc); frontEnd->setThreadState(&thread); backEnd->setThreadState(&thread); @@ -263,11 +263,11 @@ OzoneCPU<Impl>::takeOverFrom(BaseCPU *oldCPU) comm.advance(); } - // if any of this CPU's ExecContexts are active, mark the CPU as + // if any of this CPU's ThreadContexts are active, mark the CPU as // running and schedule its tick event. - for (int i = 0; i < execContexts.size(); ++i) { - ExecContext *xc = execContexts[i]; - if (xc->status() == ExecContext::Active && + for (int i = 0; i < threadContexts.size(); ++i) { + ThreadContext *tc = threadContexts[i]; + if (tc->status() == ThreadContext::Active && _status != Running) { _status = Running; tickEvent.schedule(curTick); @@ -291,7 +291,7 @@ OzoneCPU<Impl>::activateContext(int thread_num, int delay) notIdleFraction++; scheduleTickEvent(delay); _status = Running; - thread._status = ExecContext::Active; + thread._status = ThreadContext::Active; frontEnd->wakeFromQuiesce(); } @@ -381,11 +381,11 @@ OzoneCPU<Impl>::init() // Mark this as in syscall so it won't need to squash thread.inSyscall = true; #if FULL_SYSTEM - for (int i = 0; i < execContexts.size(); ++i) { - ExecContext *xc = execContexts[i]; + for (int i = 0; i < threadContexts.size(); ++i) { + ThreadContext *tc = threadContexts[i]; // initialize CPU, including PC - TheISA::initCPU(xc, xc->readCpuId()); + TheISA::initCPU(tc, tc->readCpuId()); } #endif frontEnd->renameTable.copyFrom(thread.renameTable); @@ -400,8 +400,8 @@ OzoneCPU<Impl>::serialize(std::ostream &os) { BaseCPU::serialize(os); SERIALIZE_ENUM(_status); - nameOut(os, csprintf("%s.xc", name())); - ozoneXC.serialize(os); + nameOut(os, csprintf("%s.tc", name())); + ozoneTC.serialize(os); nameOut(os, csprintf("%s.tickEvent", name())); tickEvent.serialize(os); } @@ -412,7 +412,7 @@ OzoneCPU<Impl>::unserialize(Checkpoint *cp, const std::string §ion) { BaseCPU::unserialize(cp, section); UNSERIALIZE_ENUM(_status); - ozoneXC.unserialize(cp, csprintf("%s.xc", section)); + ozoneTC.unserialize(cp, csprintf("%s.tc", section)); tickEvent.unserialize(cp, csprintf("%s.tickEvent", section)); } @@ -440,16 +440,16 @@ OzoneCPU<Impl>::copySrcTranslate(Addr src) memReq->reset(src & ~(blk_size - 1), blk_size); // translate to physical address - Fault fault = xc->translateDataReadReq(memReq); + Fault fault = tc->translateDataReadReq(memReq); assert(fault != Alignment_Fault); if (fault == NoFault) { - xc->copySrcAddr = src; - xc->copySrcPhysAddr = memReq->paddr + offset; + tc->copySrcAddr = src; + tc->copySrcPhysAddr = memReq->paddr + offset; } else { - xc->copySrcAddr = 0; - xc->copySrcPhysAddr = 0; + tc->copySrcAddr = 0; + tc->copySrcPhysAddr = 0; } return fault; #endif @@ -467,7 +467,7 @@ OzoneCPU<Impl>::copy(Addr dest) // Only support block sizes of 64 atm. assert(blk_size == 64); uint8_t data[blk_size]; - //assert(xc->copySrcAddr); + //assert(tc->copySrcAddr); int offset = dest & (blk_size - 1); // Make sure block doesn't span page @@ -480,21 +480,21 @@ OzoneCPU<Impl>::copy(Addr dest) memReq->reset(dest & ~(blk_size -1), blk_size); // translate to physical address - Fault fault = xc->translateDataWriteReq(memReq); + Fault fault = tc->translateDataWriteReq(memReq); assert(fault != Alignment_Fault); if (fault == NoFault) { Addr dest_addr = memReq->paddr + offset; // Need to read straight from memory since we have more than 8 bytes. - memReq->paddr = xc->copySrcPhysAddr; - xc->mem->read(memReq, data); + memReq->paddr = tc->copySrcPhysAddr; + tc->mem->read(memReq, data); memReq->paddr = dest_addr; - xc->mem->write(memReq, data); + tc->mem->write(memReq, data); if (dcacheInterface) { memReq->cmd = Copy; memReq->completionEvent = NULL; - memReq->paddr = xc->copySrcPhysAddr; + memReq->paddr = tc->copySrcPhysAddr; memReq->dest = dest_addr; memReq->size = 64; memReq->time = curTick; @@ -510,7 +510,7 @@ template <class Impl> Addr OzoneCPU<Impl>::dbg_vtophys(Addr addr) { - return vtophys(xcProxy, addr); + return vtophys(tcProxy, addr); } #endif // FULL_SYSTEM @@ -524,7 +524,7 @@ OzoneCPU<Impl>::post_interrupt(int int_num, int index) if (_status == Idle) { DPRINTF(IPI,"Suspended Processor awoke\n"); // thread.activate(); - // Hack for now. Otherwise might have to go through the xcProxy, or + // Hack for now. Otherwise might have to go through the tc, or // I need to figure out what's the right thing to call. activateContext(thread.tid, 1); } @@ -556,10 +556,10 @@ OzoneCPU<Impl>::tick() template <class Impl> void -OzoneCPU<Impl>::squashFromXC() +OzoneCPU<Impl>::squashFromTC() { thread.inSyscall = true; - backEnd->generateXCEvent(); + backEnd->generateTCEvent(); } #if !FULL_SYSTEM @@ -567,7 +567,7 @@ template <class Impl> void OzoneCPU<Impl>::syscall() { - // Not sure this copy is needed, depending on how the XC proxy is made. + // Not sure this copy is needed, depending on how the TC proxy is made. thread.renameTable.copyFrom(backEnd->renameTable); thread.inSyscall = true; @@ -576,7 +576,7 @@ OzoneCPU<Impl>::syscall() DPRINTF(OzoneCPU, "FuncExeInst: %i\n", thread.funcExeInst); - thread.process->syscall(xcProxy); + thread.process->syscall(yc); thread.funcExeInst--; @@ -674,7 +674,7 @@ OzoneCPU<Impl>::processInterrupts() checker->cpuXCBase()->setMiscReg(IPR_INTID, ipl); } Fault fault = new InterruptFault; - fault->invoke(thread.getXCProxy()); + fault->invoke(thread.getTC()); DPRINTF(Flow, "Interrupt! IPLR=%d ipl=%d summary=%x\n", thread.readMiscReg(IPR_IPLR), ipl, summary); } @@ -686,7 +686,7 @@ OzoneCPU<Impl>::simPalCheck(int palFunc) { // Need to move this to ISA code // May also need to make this per thread - thread.kernelStats->callpal(palFunc, xcProxy); + thread.kernelStats->callpal(palFunc, tc); switch (palFunc) { case PAL::halt: @@ -708,14 +708,14 @@ OzoneCPU<Impl>::simPalCheck(int palFunc) template <class Impl> BaseCPU * -OzoneCPU<Impl>::OzoneXC::getCpuPtr() +OzoneCPU<Impl>::OzoneTC::getCpuPtr() { return cpu; } template <class Impl> void -OzoneCPU<Impl>::OzoneXC::setCpuId(int id) +OzoneCPU<Impl>::OzoneTC::setCpuId(int id) { cpu->cpuId = id; thread->cpuId = id; @@ -723,14 +723,14 @@ OzoneCPU<Impl>::OzoneXC::setCpuId(int id) template <class Impl> void -OzoneCPU<Impl>::OzoneXC::setStatus(Status new_status) +OzoneCPU<Impl>::OzoneTC::setStatus(Status new_status) { thread->_status = new_status; } template <class Impl> void -OzoneCPU<Impl>::OzoneXC::activate(int delay) +OzoneCPU<Impl>::OzoneTC::activate(int delay) { cpu->activateContext(thread->tid, delay); } @@ -738,7 +738,7 @@ OzoneCPU<Impl>::OzoneXC::activate(int delay) /// Set the status to Suspended. template <class Impl> void -OzoneCPU<Impl>::OzoneXC::suspend() +OzoneCPU<Impl>::OzoneTC::suspend() { cpu->suspendContext(thread->tid); } @@ -746,7 +746,7 @@ OzoneCPU<Impl>::OzoneXC::suspend() /// Set the status to Unallocated. template <class Impl> void -OzoneCPU<Impl>::OzoneXC::deallocate() +OzoneCPU<Impl>::OzoneTC::deallocate() { cpu->deallocateContext(thread->tid); } @@ -754,7 +754,7 @@ OzoneCPU<Impl>::OzoneXC::deallocate() /// Set the status to Halted. template <class Impl> void -OzoneCPU<Impl>::OzoneXC::halt() +OzoneCPU<Impl>::OzoneTC::halt() { cpu->haltContext(thread->tid); } @@ -762,13 +762,13 @@ OzoneCPU<Impl>::OzoneXC::halt() #if FULL_SYSTEM template <class Impl> void -OzoneCPU<Impl>::OzoneXC::dumpFuncProfile() +OzoneCPU<Impl>::OzoneTC::dumpFuncProfile() { } #endif template <class Impl> void -OzoneCPU<Impl>::OzoneXC::takeOverFrom(ExecContext *old_context) +OzoneCPU<Impl>::OzoneTC::takeOverFrom(ThreadContext *old_context) { // some things should already be set up assert(getMemPtr() == old_context->getMemPtr()); @@ -788,12 +788,12 @@ OzoneCPU<Impl>::OzoneXC::takeOverFrom(ExecContext *old_context) #else EndQuiesceEvent *other_quiesce = old_context->getQuiesceEvent(); if (other_quiesce) { - // Point the quiesce event's XC at this XC so that it wakes up + // Point the quiesce event's TC at this TC so that it wakes up // the proper CPU. - other_quiesce->xc = this; + other_quiesce->tc = this; } if (thread->quiesceEvent) { - thread->quiesceEvent->xc = this; + thread->quiesceEvent->tc = this; } thread->kernelStats = old_context->getKernelStats(); @@ -801,12 +801,12 @@ OzoneCPU<Impl>::OzoneXC::takeOverFrom(ExecContext *old_context) cpu->lockFlag = false; #endif - old_context->setStatus(ExecContext::Unallocated); + old_context->setStatus(ThreadContext::Unallocated); } template <class Impl> void -OzoneCPU<Impl>::OzoneXC::regStats(const std::string &name) +OzoneCPU<Impl>::OzoneTC::regStats(const std::string &name) { #if FULL_SYSTEM thread->kernelStats = new Kernel::Statistics(cpu->system); @@ -816,39 +816,39 @@ OzoneCPU<Impl>::OzoneXC::regStats(const std::string &name) template <class Impl> void -OzoneCPU<Impl>::OzoneXC::serialize(std::ostream &os) +OzoneCPU<Impl>::OzoneTC::serialize(std::ostream &os) { } template <class Impl> void -OzoneCPU<Impl>::OzoneXC::unserialize(Checkpoint *cp, const std::string §ion) +OzoneCPU<Impl>::OzoneTC::unserialize(Checkpoint *cp, const std::string §ion) { } #if FULL_SYSTEM template <class Impl> EndQuiesceEvent * -OzoneCPU<Impl>::OzoneXC::getQuiesceEvent() +OzoneCPU<Impl>::OzoneTC::getQuiesceEvent() { return thread->quiesceEvent; } template <class Impl> Tick -OzoneCPU<Impl>::OzoneXC::readLastActivate() +OzoneCPU<Impl>::OzoneTC::readLastActivate() { return thread->lastActivate; } template <class Impl> Tick -OzoneCPU<Impl>::OzoneXC::readLastSuspend() +OzoneCPU<Impl>::OzoneTC::readLastSuspend() { return thread->lastSuspend; } template <class Impl> void -OzoneCPU<Impl>::OzoneXC::profileClear() +OzoneCPU<Impl>::OzoneTC::profileClear() { if (thread->profile) thread->profile->clear(); @@ -856,7 +856,7 @@ OzoneCPU<Impl>::OzoneXC::profileClear() template <class Impl> void -OzoneCPU<Impl>::OzoneXC::profileSample() +OzoneCPU<Impl>::OzoneTC::profileSample() { if (thread->profile) thread->profile->sample(thread->profileNode, thread->profilePC); @@ -865,7 +865,7 @@ OzoneCPU<Impl>::OzoneXC::profileSample() template <class Impl> int -OzoneCPU<Impl>::OzoneXC::getThreadNum() +OzoneCPU<Impl>::OzoneTC::getThreadNum() { return thread->tid; } @@ -873,57 +873,57 @@ OzoneCPU<Impl>::OzoneXC::getThreadNum() // Also somewhat obnoxious. Really only used for the TLB fault. template <class Impl> TheISA::MachInst -OzoneCPU<Impl>::OzoneXC::getInst() +OzoneCPU<Impl>::OzoneTC::getInst() { return thread->inst; } template <class Impl> void -OzoneCPU<Impl>::OzoneXC::copyArchRegs(ExecContext *xc) +OzoneCPU<Impl>::OzoneTC::copyArchRegs(ThreadContext *tc) { - thread->PC = xc->readPC(); - thread->nextPC = xc->readNextPC(); + thread->PC = tc->readPC(); + thread->nextPC = tc->readNextPC(); cpu->frontEnd->setPC(thread->PC); cpu->frontEnd->setNextPC(thread->nextPC); for (int i = 0; i < TheISA::TotalNumRegs; ++i) { if (i < TheISA::FP_Base_DepTag) { - thread->renameTable[i]->setIntResult(xc->readIntReg(i)); + thread->renameTable[i]->setIntResult(tc->readIntReg(i)); } else if (i < (TheISA::FP_Base_DepTag + TheISA::NumFloatRegs)) { int fp_idx = i - TheISA::FP_Base_DepTag; thread->renameTable[i]->setDoubleResult( - xc->readFloatRegDouble(fp_idx)); + tc->readFloatRegDouble(fp_idx)); } } #if !FULL_SYSTEM - thread->funcExeInst = xc->readFuncExeInst(); + thread->funcExeInst = tc->readFuncExeInst(); #endif - // Need to copy the XC values into the current rename table, + // Need to copy the TC values into the current rename table, // copy the misc regs. - thread->regs.miscRegs.copyMiscRegs(xc); + thread->regs.miscRegs.copyMiscRegs(tc); } template <class Impl> void -OzoneCPU<Impl>::OzoneXC::clearArchRegs() +OzoneCPU<Impl>::OzoneTC::clearArchRegs() { panic("Unimplemented!"); } template <class Impl> uint64_t -OzoneCPU<Impl>::OzoneXC::readIntReg(int reg_idx) +OzoneCPU<Impl>::OzoneTC::readIntReg(int reg_idx) { return thread->renameTable[reg_idx]->readIntResult(); } template <class Impl> float -OzoneCPU<Impl>::OzoneXC::readFloatReg(int reg_idx, int width) +OzoneCPU<Impl>::OzoneTC::readFloatReg(int reg_idx, int width) { int idx = reg_idx + TheISA::FP_Base_DepTag; switch(width) { @@ -939,7 +939,7 @@ OzoneCPU<Impl>::OzoneXC::readFloatReg(int reg_idx, int width) template <class Impl> double -OzoneCPU<Impl>::OzoneXC::readFloatReg(int reg_idx) +OzoneCPU<Impl>::OzoneTC::readFloatReg(int reg_idx) { int idx = reg_idx + TheISA::FP_Base_DepTag; return thread->renameTable[idx]->readFloatResult(); @@ -947,7 +947,7 @@ OzoneCPU<Impl>::OzoneXC::readFloatReg(int reg_idx) template <class Impl> uint64_t -OzoneCPU<Impl>::OzoneXC::readFloatRegBits(int reg_idx, int width) +OzoneCPU<Impl>::OzoneTC::readFloatRegBits(int reg_idx, int width) { int idx = reg_idx + TheISA::FP_Base_DepTag; return thread->renameTable[idx]->readIntResult(); @@ -955,7 +955,7 @@ OzoneCPU<Impl>::OzoneXC::readFloatRegBits(int reg_idx, int width) template <class Impl> uint64_t -OzoneCPU<Impl>::OzoneXC::readFloatRegBits(int reg_idx) +OzoneCPU<Impl>::OzoneTC::readFloatRegBits(int reg_idx) { int idx = reg_idx + TheISA::FP_Base_DepTag; return thread->renameTable[idx]->readIntResult(); @@ -963,18 +963,18 @@ OzoneCPU<Impl>::OzoneXC::readFloatRegBits(int reg_idx) template <class Impl> void -OzoneCPU<Impl>::OzoneXC::setIntReg(int reg_idx, uint64_t val) +OzoneCPU<Impl>::OzoneTC::setIntReg(int reg_idx, uint64_t val) { thread->renameTable[reg_idx]->setIntResult(val); if (!thread->inSyscall) { - cpu->squashFromXC(); + cpu->squashFromTC(); } } template <class Impl> void -OzoneCPU<Impl>::OzoneXC::setFloatReg(int reg_idx, FloatReg val, int width) +OzoneCPU<Impl>::OzoneTC::setFloatReg(int reg_idx, FloatReg val, int width) { int idx = reg_idx + TheISA::FP_Base_DepTag; switch(width) { @@ -989,26 +989,26 @@ OzoneCPU<Impl>::OzoneXC::setFloatReg(int reg_idx, FloatReg val, int width) } if (!thread->inSyscall) { - cpu->squashFromXC(); + cpu->squashFromTC(); } } template <class Impl> void -OzoneCPU<Impl>::OzoneXC::setFloatReg(int reg_idx, FloatReg val) +OzoneCPU<Impl>::OzoneTC::setFloatReg(int reg_idx, FloatReg val) { int idx = reg_idx + TheISA::FP_Base_DepTag; thread->renameTable[idx]->setDoubleResult(val); if (!thread->inSyscall) { - cpu->squashFromXC(); + cpu->squashFromTC(); } } template <class Impl> void -OzoneCPU<Impl>::OzoneXC::setFloatRegBits(int reg_idx, FloatRegBits val, +OzoneCPU<Impl>::OzoneTC::setFloatRegBits(int reg_idx, FloatRegBits val, int width) { panic("Unimplemented!"); @@ -1016,45 +1016,45 @@ OzoneCPU<Impl>::OzoneXC::setFloatRegBits(int reg_idx, FloatRegBits val, template <class Impl> void -OzoneCPU<Impl>::OzoneXC::setFloatRegBits(int reg_idx, FloatRegBits val) +OzoneCPU<Impl>::OzoneTC::setFloatRegBits(int reg_idx, FloatRegBits val) { panic("Unimplemented!"); } template <class Impl> void -OzoneCPU<Impl>::OzoneXC::setPC(Addr val) +OzoneCPU<Impl>::OzoneTC::setPC(Addr val) { thread->PC = val; cpu->frontEnd->setPC(val); if (!thread->inSyscall) { - cpu->squashFromXC(); + cpu->squashFromTC(); } } template <class Impl> void -OzoneCPU<Impl>::OzoneXC::setNextPC(Addr val) +OzoneCPU<Impl>::OzoneTC::setNextPC(Addr val) { thread->nextPC = val; cpu->frontEnd->setNextPC(val); if (!thread->inSyscall) { - cpu->squashFromXC(); + cpu->squashFromTC(); } } template <class Impl> TheISA::MiscReg -OzoneCPU<Impl>::OzoneXC::readMiscReg(int misc_reg) +OzoneCPU<Impl>::OzoneTC::readMiscReg(int misc_reg) { return thread->regs.miscRegs.readReg(misc_reg); } template <class Impl> TheISA::MiscReg -OzoneCPU<Impl>::OzoneXC::readMiscRegWithEffect(int misc_reg, Fault &fault) +OzoneCPU<Impl>::OzoneTC::readMiscRegWithEffect(int misc_reg, Fault &fault) { return thread->regs.miscRegs.readRegWithEffect(misc_reg, fault, this); @@ -1062,13 +1062,13 @@ OzoneCPU<Impl>::OzoneXC::readMiscRegWithEffect(int misc_reg, Fault &fault) template <class Impl> Fault -OzoneCPU<Impl>::OzoneXC::setMiscReg(int misc_reg, const MiscReg &val) +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->regs.miscRegs.setReg(misc_reg, val); if (!thread->inSyscall) { - cpu->squashFromXC(); + cpu->squashFromTC(); } return ret_fault; @@ -1076,14 +1076,14 @@ OzoneCPU<Impl>::OzoneXC::setMiscReg(int misc_reg, const MiscReg &val) template <class Impl> Fault -OzoneCPU<Impl>::OzoneXC::setMiscRegWithEffect(int misc_reg, const MiscReg &val) +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->regs.miscRegs.setRegWithEffect(misc_reg, val, this); if (!thread->inSyscall) { - cpu->squashFromXC(); + cpu->squashFromTC(); } return ret_fault; diff --git a/src/cpu/ozone/front_end.hh b/src/cpu/ozone/front_end.hh index b3131149d..45ef6eb4b 100644 --- a/src/cpu/ozone/front_end.hh +++ b/src/cpu/ozone/front_end.hh @@ -38,7 +38,7 @@ #include "sim/eventq.hh" #include "sim/stats.hh" -class ExecContext; +class ThreadContext; class MemInterface; template <class> class OzoneThreadState; @@ -56,7 +56,7 @@ class FrontEnd typedef typename Impl::FullCPU FullCPU; typedef typename Impl::BackEnd BackEnd; - typedef typename Impl::FullCPU::OzoneXC OzoneXC; + typedef typename Impl::FullCPU::OzoneTC OzoneTC; typedef typename Impl::FullCPU::CommStruct CommStruct; FrontEnd(Params *params); @@ -71,7 +71,7 @@ class FrontEnd void setCommBuffer(TimeBuffer<CommStruct> *_comm); - void setXC(ExecContext *xc_ptr); + void setTC(ThreadContext *tc_ptr); void setThreadState(OzoneThreadState<Impl> *thread_ptr) { thread = thread_ptr; } @@ -95,7 +95,7 @@ class FrontEnd void doSwitchOut(); - void takeOverFrom(ExecContext *old_xc = NULL); + void takeOverFrom(ThreadContext *old_tc = NULL); bool isSwitchedOut() { return switchedOut; } @@ -132,7 +132,7 @@ class FrontEnd BackEnd *backEnd; - ExecContext *xc; + ThreadContext *tc; OzoneThreadState<Impl> *thread; diff --git a/src/cpu/ozone/front_end_impl.hh b/src/cpu/ozone/front_end_impl.hh index ffbcf3340..bf6a8c144 100644 --- a/src/cpu/ozone/front_end_impl.hh +++ b/src/cpu/ozone/front_end_impl.hh @@ -29,7 +29,7 @@ #include "arch/faults.hh" #include "arch/isa_traits.hh" #include "base/statistics.hh" -#include "cpu/exec_context.hh" +#include "cpu/thread_context.hh" #include "cpu/exetrace.hh" #include "cpu/ozone/front_end.hh" #include "mem/mem_interface.hh" @@ -93,9 +93,9 @@ FrontEnd<Impl>::setCommBuffer(TimeBuffer<CommStruct> *_comm) template <class Impl> void -FrontEnd<Impl>::setXC(ExecContext *xc_ptr) +FrontEnd<Impl>::setTC(ThreadContext *tc_ptr) { - xc = xc_ptr; + tc = tc_ptr; } template <class Impl> @@ -407,7 +407,7 @@ FrontEnd<Impl>::fetchCacheLine() memReq->asid = 0; memReq->thread_num = 0; memReq->data = new uint8_t[64]; - memReq->xc = xc; + memReq->tc = tc; memReq->cmd = Read; memReq->reset(fetch_PC, cacheBlkSize, flags); @@ -780,7 +780,7 @@ FrontEnd<Impl>::getInstFromCacheline() instruction->staticInst->disassemble(PC)); instruction->traceData = - Trace::getInstRecord(curTick, xc, cpu, + Trace::getInstRecord(curTick, tc, cpu, instruction->staticInst, instruction->readPC(), 0); @@ -862,7 +862,7 @@ FrontEnd<Impl>::doSwitchOut() template <class Impl> void -FrontEnd<Impl>::takeOverFrom(ExecContext *old_xc) +FrontEnd<Impl>::takeOverFrom(ThreadContext *old_tc) { assert(freeRegs == numPhysRegs); fetchCacheLineNextCycle = true; diff --git a/src/cpu/ozone/inorder_back_end.hh b/src/cpu/ozone/inorder_back_end.hh index 578ae4ce2..aae2b1c32 100644 --- a/src/cpu/ozone/inorder_back_end.hh +++ b/src/cpu/ozone/inorder_back_end.hh @@ -6,7 +6,7 @@ #include "arch/faults.hh" #include "base/timebuf.hh" -#include "cpu/exec_context.hh" +#include "cpu/thread_context.hh" #include "cpu/inst_seq.hh" #include "cpu/ozone/rename_table.hh" #include "cpu/ozone/thread_state.hh" @@ -22,7 +22,7 @@ class InorderBackEnd typedef typename Impl::FullCPU FullCPU; typedef typename Impl::FrontEnd FrontEnd; - typedef typename FullCPU::OzoneXC OzoneXC; + typedef typename FullCPU::OzoneTC OzoneTC; typedef typename Impl::FullCPU::CommStruct CommStruct; InorderBackEnd(Params *params); @@ -38,7 +38,7 @@ class InorderBackEnd void setCommBuffer(TimeBuffer<CommStruct> *_comm) { comm = _comm; } - void setXC(ExecContext *xc_ptr); + void setTC(ThreadContext *tc_ptr); void setThreadState(OzoneThreadState<Impl> *thread_ptr); @@ -69,7 +69,7 @@ class InorderBackEnd private: void handleFault(); - void setSquashInfoFromXC(); + void setSquashInfoFromTC(); bool squashPending; InstSeqNum squashSeqNum; @@ -98,14 +98,14 @@ class InorderBackEnd void switchOut() { panic("Not implemented!"); } void doSwitchOut() { panic("Not implemented!"); } - void takeOverFrom(ExecContext *old_xc = NULL) { panic("Not implemented!"); } + void takeOverFrom(ThreadContext *old_tc = NULL) { panic("Not implemented!"); } public: FullCPU *cpu; FrontEnd *frontEnd; - ExecContext *xc; + ThreadContext *tc; OzoneThreadState<Impl> *thread; diff --git a/src/cpu/ozone/lw_back_end.hh b/src/cpu/ozone/lw_back_end.hh index 021381dd0..f0946b8d4 100644 --- a/src/cpu/ozone/lw_back_end.hh +++ b/src/cpu/ozone/lw_back_end.hh @@ -44,7 +44,7 @@ template <class> class Checker; -class ExecContext; +class ThreadContext; template <class Impl> class OzoneThreadState; @@ -126,8 +126,8 @@ class LWBackEnd void setFrontEnd(FrontEnd *front_end_ptr) { frontEnd = front_end_ptr; } - void setXC(ExecContext *xc_ptr) - { xc = xc_ptr; } + void setTC(ThreadContext *tc_ptr) + { tc = tc_ptr; } void setThreadState(Thread *thread_ptr) { thread = thread_ptr; } @@ -136,12 +136,12 @@ class LWBackEnd void tick(); void squash(); - void generateXCEvent() { xcSquash = true; } - void squashFromXC(); + void generateTCEvent() { tcSquash = true; } + void squashFromTC(); void squashFromTrap(); void checkInterrupts(); bool trapSquash; - bool xcSquash; + bool tcSquash; template <class T> Fault read(RequestPtr req, T &data, int load_idx); @@ -213,7 +213,7 @@ class LWBackEnd void switchOut(); void doSwitchOut(); - void takeOverFrom(ExecContext *old_xc = NULL); + void takeOverFrom(ThreadContext *old_tc = NULL); bool isSwitchedOut() { return switchedOut; } @@ -241,7 +241,7 @@ class LWBackEnd FrontEnd *frontEnd; - ExecContext *xc; + ThreadContext *tc; Thread *thread; diff --git a/src/cpu/ozone/lw_back_end_impl.hh b/src/cpu/ozone/lw_back_end_impl.hh index 41b4ea24b..0f5c01c0d 100644 --- a/src/cpu/ozone/lw_back_end_impl.hh +++ b/src/cpu/ozone/lw_back_end_impl.hh @@ -209,7 +209,7 @@ LWBackEnd<Impl>::DCacheCompletionEvent::description() template <class Impl> LWBackEnd<Impl>::LWBackEnd(Params *params) : d2i(5, 5), i2e(5, 5), e2c(5, 5), numInstsToWB(5, 5), - trapSquash(false), xcSquash(false), cacheCompletionEvent(this), + trapSquash(false), tcSquash(false), cacheCompletionEvent(this), dcacheInterface(params->dcacheInterface), width(params->backEndWidth), exactFullStall(true) { @@ -592,7 +592,7 @@ LWBackEnd<Impl>::checkInterrupts() cpu->check_interrupts() && !cpu->inPalMode(thread->readPC()) && !trapSquash && - !xcSquash) { + !tcSquash) { frontEnd->interruptPending = true; if (robEmpty() && !LSQ.hasStoresToWB()) { // Will need to squash all instructions currently in flight and have @@ -637,7 +637,7 @@ LWBackEnd<Impl>::handleFault(Fault &fault, Tick latency) // Consider holding onto the trap and waiting until the trap event // happens for this to be executed. - fault->invoke(thread->getXCProxy()); + fault->invoke(thread->getTCProxy()); // Exit state update mode to avoid accidental updating. thread->inSyscall = false; @@ -671,10 +671,10 @@ LWBackEnd<Impl>::tick() checkInterrupts(); if (trapSquash) { - assert(!xcSquash); + assert(!tcSquash); squashFromTrap(); - } else if (xcSquash) { - squashFromXC(); + } else if (tcSquash) { + squashFromTC(); } #endif @@ -1257,12 +1257,12 @@ LWBackEnd<Impl>::commitInst(int inst_num) assert(!thread->inSyscall && !thread->trapPending); oldpc = thread->readPC(); cpu->system->pcEventQueue.service( - thread->getXCProxy()); + thread->getTCProxy()); count++; } while (oldpc != thread->readPC()); if (count > 1) { DPRINTF(BE, "PC skip function event, stopping commit\n"); - xcSquash = true; + tcSquash = true; return false; } #endif @@ -1396,7 +1396,7 @@ LWBackEnd<Impl>::squash(const InstSeqNum &sn) template <class Impl> void -LWBackEnd<Impl>::squashFromXC() +LWBackEnd<Impl>::squashFromTC() { InstSeqNum squashed_inst = robEmpty() ? 0 : instList.back()->seqNum - 1; squash(squashed_inst); @@ -1406,7 +1406,7 @@ LWBackEnd<Impl>::squashFromXC() thread->trapPending = false; thread->inSyscall = false; - xcSquash = false; + tcSquash = false; commitStatus = Running; } @@ -1483,7 +1483,7 @@ LWBackEnd<Impl>::doSwitchOut() switchedOut = true; switchPending = false; // Need to get rid of all committed, non-speculative state and write it - // to memory/XC. In this case this is stores that have committed and not + // to memory/TC. In this case this is stores that have committed and not // yet written back. assert(robEmpty()); assert(!LSQ.hasStoresToWB()); @@ -1495,7 +1495,7 @@ LWBackEnd<Impl>::doSwitchOut() template <class Impl> void -LWBackEnd<Impl>::takeOverFrom(ExecContext *old_xc) +LWBackEnd<Impl>::takeOverFrom(ThreadContext *old_xc) { switchedOut = false; xcSquash = false; diff --git a/src/cpu/ozone/lw_lsq.hh b/src/cpu/ozone/lw_lsq.hh index e1488dd6f..d27fa565c 100644 --- a/src/cpu/ozone/lw_lsq.hh +++ b/src/cpu/ozone/lw_lsq.hh @@ -234,7 +234,7 @@ class OzoneLWLSQ { void switchOut(); - void takeOverFrom(ExecContext *old_xc = NULL); + void takeOverFrom(ThreadContext *old_tc = NULL); bool isSwitchedOut() { return switchedOut; } diff --git a/src/cpu/ozone/lw_lsq_impl.hh b/src/cpu/ozone/lw_lsq_impl.hh index f72bbb1cc..0841e0b57 100644 --- a/src/cpu/ozone/lw_lsq_impl.hh +++ b/src/cpu/ozone/lw_lsq_impl.hh @@ -846,7 +846,7 @@ OzoneLWLSQ<Impl>::switchOut() template <class Impl> void -OzoneLWLSQ<Impl>::takeOverFrom(ExecContext *old_xc) +OzoneLWLSQ<Impl>::takeOverFrom(ThreadContext *old_tc) { // Clear out any old state. May be redundant if this is the first time // the CPU is being used. diff --git a/src/cpu/ozone/thread_state.hh b/src/cpu/ozone/thread_state.hh index 9b5433815..c91297e73 100644 --- a/src/cpu/ozone/thread_state.hh +++ b/src/cpu/ozone/thread_state.hh @@ -31,7 +31,7 @@ #include "arch/faults.hh" #include "arch/isa_traits.hh" -#include "cpu/exec_context.hh" +#include "cpu/thread_context.hh" #include "cpu/thread_state.hh" #include "sim/process.hh" @@ -52,10 +52,10 @@ class FunctionalMemory; // has benefits for SMT; basically serves same use as CPUExecContext. // Makes the ExecContext proxy easier. Gives organization/central access point // to state of a thread that can be accessed normally (i.e. not in-flight -// stuff within a OoO processor). Does this need an XC proxy within it? +// stuff within a OoO processor). Does this need an TC proxy within it? template <class Impl> struct OzoneThreadState : public ThreadState { - typedef typename ExecContext::Status Status; + typedef typename ThreadContext::Status Status; typedef typename Impl::FullCPU FullCPU; typedef TheISA::MiscReg MiscReg; @@ -104,9 +104,9 @@ struct OzoneThreadState : public ThreadState { bool trapPending; - ExecContext *xcProxy; + ThreadContext *tc; - ExecContext *getXCProxy() { return xcProxy; } + ThreadContext *getTC() { return tc; } #if !FULL_SYSTEM Fault translateInstReq(Request *req) @@ -145,7 +145,7 @@ struct OzoneThreadState : public ThreadState { MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault) { - return regs.readMiscRegWithEffect(misc_reg, fault, xcProxy); + return regs.readMiscRegWithEffect(misc_reg, fault, tc); } Fault setMiscReg(int misc_reg, const MiscReg &val) @@ -155,7 +155,7 @@ struct OzoneThreadState : public ThreadState { Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val) { - return regs.setMiscRegWithEffect(misc_reg, val, xcProxy); + return regs.setMiscRegWithEffect(misc_reg, val, tc); } uint64_t readPC() |