diff options
Diffstat (limited to 'src/cpu/o3/cpu.cc')
| -rw-r--r-- | src/cpu/o3/cpu.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/cpu/o3/cpu.cc b/src/cpu/o3/cpu.cc index 64c54e26a..71d04740c 100644 --- a/src/cpu/o3/cpu.cc +++ b/src/cpu/o3/cpu.cc @@ -388,7 +388,7 @@ FullO3CPU<Impl>::FullO3CPU(DerivO3CPUParams *params) lastRunningCycle = curTick(); - lastActivatedCycle = -1; + lastActivatedCycle = 0; #if 0 // Give renameMap & rename stage access to the freeList; for (ThreadID tid = 0; tid < numThreads; tid++) @@ -752,7 +752,9 @@ FullO3CPU<Impl>::activateContext(ThreadID tid, int delay) activateThread(tid); } - if (lastActivatedCycle < curTick()) { + // If we are time 0 or if the last activation time is in the past, + // schedule the next tick and wake up the fetch unit + if (lastActivatedCycle == 0 || lastActivatedCycle < curTick()) { scheduleTickEvent(delay); // Be sure to signal that there's some activity so the CPU doesn't |