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-rw-r--r--src/cpu/simple/base.cc12
1 files changed, 7 insertions, 5 deletions
diff --git a/src/cpu/simple/base.cc b/src/cpu/simple/base.cc
index 1d5c0a6f5..769e400df 100644
--- a/src/cpu/simple/base.cc
+++ b/src/cpu/simple/base.cc
@@ -402,10 +402,12 @@ BaseSimpleCPU::preExecute()
if (instPtr->isMacroOp()) {
curMacroStaticInst = instPtr;
curStaticInst = curMacroStaticInst->fetchMicroOp(0);
+ } else {
+ curStaticInst = instPtr;
}
} else {
//Read the next micro op from the macro op
- curStaticInst = curMacroStaticInst->fetchMicroOp(thread->readMicroPc());
+ curStaticInst = curMacroStaticInst->fetchMicroOp(thread->readMicroPC());
}
@@ -464,17 +466,17 @@ BaseSimpleCPU::advancePC(Fault fault)
assert(curMacroStaticInst);
//Close out this macro op, and clean up the
//microcode state
- curMacroStaticInst = nullStaticInst;
+ curMacroStaticInst = StaticInst::nullStaticInstPtr;
thread->setMicroPC(0);
- thread->setNextMicroPC(0);
+ thread->setNextMicroPC(1);
}
//If we're still in a macro op
if (curMacroStaticInst) {
//Advance the micro pc
- thread->setMicroPC(thread->getNextMicroPC());
+ thread->setMicroPC(thread->readNextMicroPC());
//Advance the "next" micro pc. Note that there are no delay
//slots, and micro ops are "word" addressed.
- thread->setNextMicroPC(thread->getNextMicroPC() + 1);
+ thread->setNextMicroPC(thread->readNextMicroPC() + 1);
} else {
// go to the next instruction
thread->setPC(thread->readNextPC());