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Diffstat (limited to 'src/cpu/o3/cpu.cc')
-rw-r--r--src/cpu/o3/cpu.cc48
1 files changed, 15 insertions, 33 deletions
diff --git a/src/cpu/o3/cpu.cc b/src/cpu/o3/cpu.cc
index de87ee2ef..c43cc2cf8 100644
--- a/src/cpu/o3/cpu.cc
+++ b/src/cpu/o3/cpu.cc
@@ -441,7 +441,7 @@ FullO3CPU<Impl>::tick()
if (!tickEvent.scheduled()) {
if (_status == SwitchedOut ||
- getState() == SimObject::DrainedTiming) {
+ getState() == SimObject::Drained) {
// increment stat
lastRunningCycle = curTick;
} else if (!activityRec.active()) {
@@ -577,39 +577,19 @@ void
FullO3CPU<Impl>::suspendContext(int tid)
{
DPRINTF(O3CPU,"[tid: %i]: Suspending Thread Context.\n", tid);
- unscheduleTickEvent();
+ deactivateThread(tid);
+ if (activeThreads.size() == 0)
+ unscheduleTickEvent();
_status = Idle;
-/*
- //Remove From Active List, if Active
- list<unsigned>::iterator isActive = find(
- activeThreads.begin(), activeThreads.end(), tid);
-
- if (isActive != activeThreads.end()) {
- DPRINTF(O3CPU,"[tid:%i]: Removing from active threads list\n",
- tid);
- activeThreads.erase(isActive);
- }
-*/
}
template <class Impl>
void
FullO3CPU<Impl>::haltContext(int tid)
{
- DPRINTF(O3CPU,"[tid:%i]: Halting Thread Context", tid);
-/*
- //Remove From Active List, if Active
- list<unsigned>::iterator isActive = find(
- activeThreads.begin(), activeThreads.end(), tid);
-
- if (isActive != activeThreads.end()) {
- DPRINTF(O3CPU,"[tid:%i]: Removing from active threads list\n",
- tid);
- activeThreads.erase(isActive);
-
- removeThread(tid);
- }
-*/
+ //For now, this is the same as deallocate
+ DPRINTF(O3CPU,"[tid:%i]: Halt Context called. Deallocating", tid);
+ deallocateContext(tid, 1);
}
template <class Impl>
@@ -805,7 +785,7 @@ FullO3CPU<Impl>::unserialize(Checkpoint *cp, const std::string &section)
}
template <class Impl>
-bool
+unsigned int
FullO3CPU<Impl>::drain(Event *drain_event)
{
drainCount = 0;
@@ -817,7 +797,7 @@ FullO3CPU<Impl>::drain(Event *drain_event)
// Wake the CPU and record activity so everything can drain out if
// the CPU was not able to immediately drain.
- if (getState() != SimObject::DrainedTiming) {
+ if (getState() != SimObject::Drained) {
// A bit of a hack...set the drainEvent after all the drain()
// calls have been made, that way if all of the stages drain
// immediately, the signalDrained() function knows not to call
@@ -827,9 +807,9 @@ FullO3CPU<Impl>::drain(Event *drain_event)
wakeCPU();
activityRec.activity();
- return false;
+ return 1;
} else {
- return true;
+ return 0;
}
}
@@ -837,19 +817,21 @@ template <class Impl>
void
FullO3CPU<Impl>::resume()
{
+ assert(system->getMemoryMode() == System::Timing);
fetch.resume();
decode.resume();
rename.resume();
iew.resume();
commit.resume();
+ changeState(SimObject::Running);
+
if (_status == SwitchedOut || _status == Idle)
return;
if (!tickEvent.scheduled())
tickEvent.schedule(curTick);
_status = Running;
- changeState(SimObject::Timing);
}
template <class Impl>
@@ -860,7 +842,7 @@ FullO3CPU<Impl>::signalDrained()
if (tickEvent.scheduled())
tickEvent.squash();
- changeState(SimObject::DrainedTiming);
+ changeState(SimObject::Drained);
if (drainEvent) {
drainEvent->process();