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inorder: se: squash after syscalls

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This commit is contained in:
Korey Sewell 2011-06-19 21:43:42 -04:00
parent eedd04e894
commit b963b339b9
2 changed files with 11 additions and 2 deletions
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11
src/cpu/inorder/cpu.cc
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@ -1713,7 +1713,16 @@ InOrderCPU::wakeup()
void
InOrderCPU::syscallContext(Fault fault, ThreadID tid, DynInstPtr inst, int delay)
{
//@todo: squash behind syscall
// Syscall must be non-speculative, so squash from last stage
unsigned squash_stage = NumStages - 1;
inst->setSquashInfo(squash_stage);
// Squash In Pipeline Stage
pipelineStage[squash_stage]->setupSquash(inst, tid);
// Schedule Squash Through-out Resource Pool
resPool->scheduleEvent(
(InOrderCPU::CPUEventType)ResourcePool::SquashAll, inst, 0);
scheduleCpuEvent(Syscall, fault, tid, inst, delay, Syscall_Pri);
}

2
src/cpu/inorder/inorder_dyn_inst.hh
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@ -867,7 +867,7 @@ class InOrderDynInst : public FastAlloc, public RefCounted
void setFloatSrc(int idx, FloatReg val);
void setFloatRegBitsSrc(int idx, TheISA::FloatRegBits val);
uint64_t* getIntSrcPtr(int idx) { return &instSrc[idx].intVal; }
TheISA::IntReg* getIntSrcPtr(int idx) { return &instSrc[idx].intVal; }
uint64_t readIntSrc(int idx) { return instSrc[idx].intVal; }
/** These Instructions read a integer/float/misc. source register