diff options
Diffstat (limited to 'src/cpu/o3/commit_impl.hh')
-rw-r--r-- | src/cpu/o3/commit_impl.hh | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/src/cpu/o3/commit_impl.hh b/src/cpu/o3/commit_impl.hh index 2eb05afac..904af1071 100644 --- a/src/cpu/o3/commit_impl.hh +++ b/src/cpu/o3/commit_impl.hh @@ -82,8 +82,7 @@ DefaultCommit<Impl>::DefaultCommit(Params *params) numThreads(params->numberOfThreads), drainPending(false), switchedOut(false), - trapLatency(params->trapLatency), - fetchTrapLatency(params->fetchTrapLatency) + trapLatency(params->trapLatency) { _status = Active; _nextStatus = Inactive; @@ -123,9 +122,6 @@ DefaultCommit<Impl>::DefaultCommit(Params *params) tcSquash[i] = false; PC[i] = nextPC[i] = 0; } - - fetchFaultTick = 0; - fetchTrapWait = 0; } template <class Impl> @@ -235,7 +231,6 @@ DefaultCommit<Impl>::setCPU(O3CPU *cpu_ptr) cpu->activateStage(O3CPU::CommitIdx); trapLatency = cpu->cycles(trapLatency); - fetchTrapLatency = cpu->cycles(fetchTrapLatency); } template <class Impl> @@ -294,13 +289,6 @@ DefaultCommit<Impl>::setIEWQueue(TimeBuffer<IEWStruct> *iq_ptr) template <class Impl> void -DefaultCommit<Impl>::setFetchStage(Fetch *fetch_stage) -{ - fetchStage = fetch_stage; -} - -template <class Impl> -void DefaultCommit<Impl>::setIEWStage(IEW *iew_stage) { iewStage = iew_stage; @@ -350,10 +338,18 @@ DefaultCommit<Impl>::initStage() } template <class Impl> -void +bool DefaultCommit<Impl>::drain() { drainPending = true; + + // If it's already drained, return true. + if (rob->isEmpty() && !iewStage->hasStoresToWB()) { + cpu->signalDrained(); + return true; + } + + return false; } template <class Impl> @@ -369,6 +365,7 @@ template <class Impl> void DefaultCommit<Impl>::resume() { + drainPending = false; } template <class Impl> @@ -569,6 +566,9 @@ DefaultCommit<Impl>::tick() return; } + if ((*activeThreads).size() <= 0) + return; + list<unsigned>::iterator threads = (*activeThreads).begin(); // Check if any of the threads are done squashing. Change the @@ -582,7 +582,7 @@ DefaultCommit<Impl>::tick() commitStatus[tid] = Running; } else { DPRINTF(Commit,"[tid:%u]: Still Squashing, cannot commit any" - "insts this cycle.\n", tid); + " insts this cycle.\n", tid); rob->doSquash(tid); toIEW->commitInfo[tid].robSquashing = true; wroteToTimeBuffer = true; |