1/*
2 * Copyright (c) 2004-2006 The Regents of The University of Michigan
3 * Copyright (c) 2011 Regents of the University of California
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright

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433 .prereq(timesIdled);
434
435 idleCycles
436 .name(name() + ".idleCycles")
437 .desc("Total number of cycles that the CPU has spent unscheduled due "
438 "to idling")
439 .prereq(idleCycles);
440
441 quiesceCycles
442 .name(name() + ".quiesceCycles")
443 .desc("Total number of cycles that CPU has spent quiesced or waiting "
444 "for an interrupt")
445 .prereq(quiesceCycles);
446
447 // Number of Instructions simulated
448 // --------------------------------
449 // Should probably be in Base CPU but need templated
450 // MaxThreads so put in here instead
451 committedInsts
452 .init(numThreads)
453 .name(name() + ".committedInsts")
454 .desc("Number of Instructions Simulated");

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683 if (lastActivatedCycle < curTick()) {
684 scheduleTickEvent(delay);
685
686 // Be sure to signal that there's some activity so the CPU doesn't
687 // deschedule itself.
688 activityRec.activity();
689 fetch.wakeFromQuiesce();
690
691 quiesceCycles += tickToCycles((curTick() - 1) - lastRunningCycle);
692
693 lastActivatedCycle = curTick();
694
695 _status = Running;
696 }
697}
698
699template <class Impl>
700bool

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719FullO3CPU<Impl>::suspendContext(ThreadID tid)
720{
721 DPRINTF(O3CPU,"[tid: %i]: Suspending Thread Context.\n", tid);
722 bool deallocated = deallocateContext(tid, false, 1);
723 // If this was the last thread then unschedule the tick event.
724 if ((activeThreads.size() == 1 && !deallocated) ||
725 activeThreads.size() == 0)
726 unscheduleTickEvent();
727
728 DPRINTF(Quiesce, "Suspending Context\n");
729 lastRunningCycle = curTick();
730 _status = Idle;
731}
732
733template <class Impl>
734void
735FullO3CPU<Impl>::haltContext(ThreadID tid)
736{
737 //For now, this is the same as deallocate

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1199 ThreadContext *tc = threadContexts[i];
1200 if (tc->status() == ThreadContext::Active && _status != Running) {
1201 _status = Running;
1202 reschedule(tickEvent, nextCycle(), true);
1203 }
1204 }
1205 if (!tickEvent.scheduled())
1206 schedule(tickEvent, nextCycle());
1207
1208 lastRunningCycle = curTick();
1209}
1210
1211template <class Impl>
1212TheISA::MiscReg
1213FullO3CPU<Impl>::readMiscRegNoEffect(int misc_reg, ThreadID tid)
1214{
1215 return this->isa[tid].readMiscRegNoEffect(misc_reg);
1216}

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