cpu.cc (2818:a2b6429690b6) cpu.cc (2829:f354c00bba05)
1/*
2 * Copyright (c) 2004-2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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81template <class Impl>
82const char *
83FullO3CPU<Impl>::TickEvent::description()
84{
85 return "FullO3CPU tick event";
86}
87
88template <class Impl>
1/*
2 * Copyright (c) 2004-2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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81template <class Impl>
82const char *
83FullO3CPU<Impl>::TickEvent::description()
84{
85 return "FullO3CPU tick event";
86}
87
88template <class Impl>
89FullO3CPU<Impl>::ActivateThreadEvent::ActivateThreadEvent()
90 : Event(&mainEventQueue, CPU_Tick_Pri)
91{
92}
93
94template <class Impl>
95void
96FullO3CPU<Impl>::ActivateThreadEvent::init(int thread_num,
97 FullO3CPU<Impl> *thread_cpu)
98{
99 tid = thread_num;
100 cpu = thread_cpu;
101}
102
103template <class Impl>
104void
105FullO3CPU<Impl>::ActivateThreadEvent::process()
106{
107 cpu->activateThread(tid);
108}
109
110template <class Impl>
111const char *
112FullO3CPU<Impl>::ActivateThreadEvent::description()
113{
114 return "FullO3CPU \"Activate Thread\" event";
115}
116
117template <class Impl>
89FullO3CPU<Impl>::FullO3CPU(Params *params)
90 : BaseO3CPU(params),
91 tickEvent(this),
92 removeInstsThisCycle(false),
93 fetch(params),
94 decode(params),
95 rename(params),
96 iew(params),

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252 }
253 rename.setFreeList(&freeList);
254
255 // Setup the ROB for whichever stages need it.
256 commit.setROB(&rob);
257
258 lastRunningCycle = curTick;
259
118FullO3CPU<Impl>::FullO3CPU(Params *params)
119 : BaseO3CPU(params),
120 tickEvent(this),
121 removeInstsThisCycle(false),
122 fetch(params),
123 decode(params),
124 rename(params),
125 iew(params),

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281 }
282 rename.setFreeList(&freeList);
283
284 // Setup the ROB for whichever stages need it.
285 commit.setROB(&rob);
286
287 lastRunningCycle = curTick;
288
289 lastActivatedCycle = -1;
290
260 contextSwitch = false;
261}
262
263template <class Impl>
264FullO3CPU<Impl>::~FullO3CPU()
265{
266}
267

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569
570 //do waitlist
571 cpuWaitList.push_back(tid);
572 }
573}
574
575template <class Impl>
576void
291 contextSwitch = false;
292}
293
294template <class Impl>
295FullO3CPU<Impl>::~FullO3CPU()
296{
297}
298

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600
601 //do waitlist
602 cpuWaitList.push_back(tid);
603 }
604}
605
606template <class Impl>
607void
577FullO3CPU<Impl>::activateContext(int tid, int delay)
608FullO3CPU<Impl>::activateThread(unsigned int tid)
578{
609{
579 // Needs to set each stage to running as well.
580 list<unsigned>::iterator isActive = find(
581 activeThreads.begin(), activeThreads.end(), tid);
582
583 if (isActive == activeThreads.end()) {
610 list<unsigned>::iterator isActive = find(
611 activeThreads.begin(), activeThreads.end(), tid);
612
613 if (isActive == activeThreads.end()) {
584 //May Need to Re-code this if the delay variable is the
585 //delay needed for thread to activate
586 DPRINTF(O3CPU, "Adding Thread %i to active threads list\n",
614 DPRINTF(O3CPU, "[tid:%i]: Adding to active threads list\n",
587 tid);
588
589 activeThreads.push_back(tid);
590 }
615 tid);
616
617 activeThreads.push_back(tid);
618 }
619}
591
620
592 assert(_status == Idle || _status == SwitchedOut);
593
621
594 scheduleTickEvent(delay);
622template <class Impl>
623void
624FullO3CPU<Impl>::activateContext(int tid, int delay)
625{
626 // Needs to set each stage to running as well.
627 if (delay){
628 DPRINTF(O3CPU, "[tid:%i]: Scheduling thread context to activate "
629 "on cycle %d\n", tid, curTick + cycles(delay));
630 scheduleActivateThreadEvent(tid, delay);
631 } else {
632 activateThread(tid);
633 }
595
634
596 // Be sure to signal that there's some activity so the CPU doesn't
597 // deschedule itself.
598 activityRec.activity();
599 fetch.wakeFromQuiesce();
635 if(lastActivatedCycle < curTick) {
636 scheduleTickEvent(delay);
600
637
601 _status = Running;
638 // Be sure to signal that there's some activity so the CPU doesn't
639 // deschedule itself.
640 activityRec.activity();
641 fetch.wakeFromQuiesce();
642
643 lastActivatedCycle = curTick;
644
645 _status = Running;
646 }
602}
603
604template <class Impl>
605void
606FullO3CPU<Impl>::suspendContext(int tid)
607{
608 DPRINTF(O3CPU,"[tid: %i]: Suspended ...\n", tid);
609 unscheduleTickEvent();

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648
649template <class Impl>
650void
651FullO3CPU<Impl>::suspendContext(int tid)
652{
653 DPRINTF(O3CPU,"[tid: %i]: Suspended ...\n", tid);
654 unscheduleTickEvent();

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