scheduler.cc (12962:004cc9133bd6) scheduler.cc (12982:c7966254372e)
1/*
2 * Copyright 2018 Google, Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met: redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer;
8 * redistributions in binary form must reproduce the above copyright

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27 * Authors: Gabe Black
28 */
29
30#include "systemc/core/scheduler.hh"
31
32#include "base/fiber.hh"
33#include "base/logging.hh"
34#include "sim/eventq.hh"
1/*
2 * Copyright 2018 Google, Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met: redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer;
8 * redistributions in binary form must reproduce the above copyright

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27 * Authors: Gabe Black
28 */
29
30#include "systemc/core/scheduler.hh"
31
32#include "base/fiber.hh"
33#include "base/logging.hh"
34#include "sim/eventq.hh"
35#include "systemc/core/kernel.hh"
36#include "systemc/ext/core/sc_main.hh"
35
36namespace sc_gem5
37{
38
39Scheduler::Scheduler() :
40 eq(nullptr), readyEvent(this, false, ReadyPriority),
41 pauseEvent(this, false, PausePriority),
42 stopEvent(this, false, StopPriority),

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169 channel = updateList.getNext();
170 }
171}
172
173void
174Scheduler::pause()
175{
176 _paused = true;
37
38namespace sc_gem5
39{
40
41Scheduler::Scheduler() :
42 eq(nullptr), readyEvent(this, false, ReadyPriority),
43 pauseEvent(this, false, PausePriority),
44 stopEvent(this, false, StopPriority),

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171 channel = updateList.getNext();
172 }
173}
174
175void
176Scheduler::pause()
177{
178 _paused = true;
179 kernel->status(::sc_core::SC_PAUSED);
177 scMain->run();
178}
179
180void
181Scheduler::stop()
182{
183 _stopped = true;
180 scMain->run();
181}
182
183void
184Scheduler::stop()
185{
186 _stopped = true;
187 kernel->stop();
184 scMain->run();
185}
186
187void
188Scheduler::start(Tick max_tick, bool run_to_time)
189{
190 // We should be running from sc_main. Keep track of that Fiber to return
191 // to later.
192 scMain = Fiber::currentFiber();
193
194 _started = true;
195 _paused = false;
196 _stopped = false;
197
198 maxTick = max_tick;
199
188 scMain->run();
189}
190
191void
192Scheduler::start(Tick max_tick, bool run_to_time)
193{
194 // We should be running from sc_main. Keep track of that Fiber to return
195 // to later.
196 scMain = Fiber::currentFiber();
197
198 _started = true;
199 _paused = false;
200 _stopped = false;
201
202 maxTick = max_tick;
203
200 if (initReady)
204 if (initReady) {
205 kernel->status(::sc_core::SC_RUNNING);
201 eq->schedule(&maxTickEvent, maxTick);
206 eq->schedule(&maxTickEvent, maxTick);
207 }
202
203 // Return to gem5 to let it run events, etc.
204 Fiber::primaryFiber()->run();
205
206 if (pauseEvent.scheduled())
207 eq->deschedule(&pauseEvent);
208 if (stopEvent.scheduled())
209 eq->deschedule(&stopEvent);

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209 // Return to gem5 to let it run events, etc.
210 Fiber::primaryFiber()->run();
211
212 if (pauseEvent.scheduled())
213 eq->deschedule(&pauseEvent);
214 if (stopEvent.scheduled())
215 eq->deschedule(&stopEvent);

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