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An attempt to serialize the state of the micro code mechanism in the simple cpu.

Browse source 
src/cpu/simple/base.cc:
    Make a microcoded op start at the current micropc, rather than starting at 0.
src/cpu/thread_state.cc:
    Serialize the microPC and nextMicroPC

--HG--
extra : convert_revision : 5302215f17312ecef3ff4c6548acb05297ee4ff6
This commit is contained in:
Gabe Black 2006-10-29 04:04:50 -05:00
parent 349c7aff9b
commit 628a3b1d01
2 changed files with 8 additions and 2 deletions
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6
src/cpu/simple/base.cc
View file

@ -401,13 +401,15 @@ BaseSimpleCPU::preExecute()
StaticInstPtr instPtr = StaticInst::decode(makeExtMI(inst, thread->getTC()));
if (instPtr->isMacroOp()) {
curMacroStaticInst = instPtr;
curStaticInst = curMacroStaticInst->fetchMicroOp(0);
curStaticInst = curMacroStaticInst->
fetchMicroOp(thread->readMicroPC());
} else {
curStaticInst = instPtr;
}
} else {
//Read the next micro op from the macro op
curStaticInst = curMacroStaticInst->fetchMicroOp(thread->readMicroPC());
curStaticInst = curMacroStaticInst->
fetchMicroOp(thread->readMicroPC());
}

4
src/cpu/thread_state.cc
View file

@ -62,6 +62,8 @@ ThreadState::serialize(std::ostream &os)
// thread_num and cpu_id are deterministic from the config
SERIALIZE_SCALAR(funcExeInst);
SERIALIZE_SCALAR(inst);
SERIALIZE_SCALAR(microPC);
SERIALIZE_SCALAR(nextMicroPC);
#if FULL_SYSTEM
Tick quiesceEndTick = 0;
@ -81,6 +83,8 @@ ThreadState::unserialize(Checkpoint *cp, const std::string &section)
// thread_num and cpu_id are deterministic from the config
UNSERIALIZE_SCALAR(funcExeInst);
UNSERIALIZE_SCALAR(inst);
UNSERIALIZE_SCALAR(microPC);
UNSERIALIZE_SCALAR(nextMicroPC);
#if FULL_SYSTEM
Tick quiesceEndTick;