scheduler.cc revision 13701
112953Sgabeblack@google.com/* 212953Sgabeblack@google.com * Copyright 2018 Google, Inc. 312953Sgabeblack@google.com * 412953Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 512953Sgabeblack@google.com * modification, are permitted provided that the following conditions are 612953Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 712953Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 812953Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 912953Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1012953Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1112953Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1212953Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1312953Sgabeblack@google.com * this software without specific prior written permission. 1412953Sgabeblack@google.com * 1512953Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1612953Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1712953Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1812953Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1912953Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2012953Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2112953Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2212953Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2312953Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2412953Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2512953Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2612953Sgabeblack@google.com * 2712953Sgabeblack@google.com * Authors: Gabe Black 2812953Sgabeblack@google.com */ 2912953Sgabeblack@google.com 3012953Sgabeblack@google.com#include "systemc/core/scheduler.hh" 3112953Sgabeblack@google.com 3212953Sgabeblack@google.com#include "base/fiber.hh" 3312954Sgabeblack@google.com#include "base/logging.hh" 3412954Sgabeblack@google.com#include "sim/eventq.hh" 3512982Sgabeblack@google.com#include "systemc/core/kernel.hh" 3613403Sgabeblack@google.com#include "systemc/core/sc_main_fiber.hh" 3713317Sgabeblack@google.com#include "systemc/ext/core/messages.hh" 3812982Sgabeblack@google.com#include "systemc/ext/core/sc_main.hh" 3913182Sgabeblack@google.com#include "systemc/ext/utils/sc_report.hh" 4013182Sgabeblack@google.com#include "systemc/ext/utils/sc_report_handler.hh" 4113312Sgabeblack@google.com#include "systemc/utils/report.hh" 4213245Sgabeblack@google.com#include "systemc/utils/tracefile.hh" 4312953Sgabeblack@google.com 4412953Sgabeblack@google.comnamespace sc_gem5 4512953Sgabeblack@google.com{ 4612953Sgabeblack@google.com 4712954Sgabeblack@google.comScheduler::Scheduler() : 4812962Sgabeblack@google.com eq(nullptr), readyEvent(this, false, ReadyPriority), 4912961Sgabeblack@google.com pauseEvent(this, false, PausePriority), 5013701Sgabeblack@google.com stopEvent(this, false, StopPriority), _throwUp(nullptr), 5112987Sgabeblack@google.com starvationEvent(this, false, StarvationPriority), 5213203Sgabeblack@google.com _elaborationDone(false), _started(false), _stopNow(false), 5313203Sgabeblack@google.com _status(StatusOther), maxTickEvent(this, false, MaxTickPriority), 5413245Sgabeblack@google.com timeAdvancesEvent(this, false, TimeAdvancesPriority), _numCycles(0), 5513245Sgabeblack@google.com _changeStamp(0), _current(nullptr), initDone(false), runOnce(false) 5612954Sgabeblack@google.com{} 5712953Sgabeblack@google.com 5813072Sgabeblack@google.comScheduler::~Scheduler() 5913072Sgabeblack@google.com{ 6013072Sgabeblack@google.com // Clear out everything that belongs to us to make sure nobody tries to 6113072Sgabeblack@google.com // clear themselves out after the scheduler goes away. 6213076Sgabeblack@google.com clear(); 6313076Sgabeblack@google.com} 6413072Sgabeblack@google.com 6513076Sgabeblack@google.comvoid 6613076Sgabeblack@google.comScheduler::clear() 6713076Sgabeblack@google.com{ 6813072Sgabeblack@google.com // Delta notifications. 6913144Sgabeblack@google.com while (!deltas.empty()) 7013144Sgabeblack@google.com deltas.front()->deschedule(); 7113072Sgabeblack@google.com 7213072Sgabeblack@google.com // Timed notifications. 7313076Sgabeblack@google.com for (auto &tsp: timeSlots) { 7413076Sgabeblack@google.com TimeSlot *&ts = tsp.second; 7513144Sgabeblack@google.com while (!ts->events.empty()) 7613144Sgabeblack@google.com ts->events.front()->deschedule(); 7713088Sgabeblack@google.com deschedule(ts); 7813072Sgabeblack@google.com } 7913076Sgabeblack@google.com timeSlots.clear(); 8013072Sgabeblack@google.com 8113072Sgabeblack@google.com // gem5 events. 8213072Sgabeblack@google.com if (readyEvent.scheduled()) 8313088Sgabeblack@google.com deschedule(&readyEvent); 8413072Sgabeblack@google.com if (pauseEvent.scheduled()) 8513088Sgabeblack@google.com deschedule(&pauseEvent); 8613072Sgabeblack@google.com if (stopEvent.scheduled()) 8713088Sgabeblack@google.com deschedule(&stopEvent); 8813072Sgabeblack@google.com if (starvationEvent.scheduled()) 8913088Sgabeblack@google.com deschedule(&starvationEvent); 9013072Sgabeblack@google.com if (maxTickEvent.scheduled()) 9113088Sgabeblack@google.com deschedule(&maxTickEvent); 9213245Sgabeblack@google.com if (timeAdvancesEvent.scheduled()) 9313245Sgabeblack@google.com deschedule(&timeAdvancesEvent); 9413072Sgabeblack@google.com 9513072Sgabeblack@google.com Process *p; 9613072Sgabeblack@google.com while ((p = initList.getNext())) 9713072Sgabeblack@google.com p->popListNode(); 9813176Sgabeblack@google.com while ((p = readyListMethods.getNext())) 9913176Sgabeblack@google.com p->popListNode(); 10013176Sgabeblack@google.com while ((p = readyListThreads.getNext())) 10113072Sgabeblack@google.com p->popListNode(); 10213072Sgabeblack@google.com 10313072Sgabeblack@google.com Channel *c; 10413072Sgabeblack@google.com while ((c = updateList.getNext())) 10513072Sgabeblack@google.com c->popListNode(); 10613072Sgabeblack@google.com} 10713072Sgabeblack@google.com 10812953Sgabeblack@google.comvoid 10913067Sgabeblack@google.comScheduler::initPhase() 11012953Sgabeblack@google.com{ 11113488Sgabeblack@google.com runUpdate(); 11213488Sgabeblack@google.com 11313194Sgabeblack@google.com for (Process *p = initList.getNext(); p; p = initList.getNext()) { 11412957Sgabeblack@google.com p->popListNode(); 11513180Sgabeblack@google.com 11613194Sgabeblack@google.com if (p->dontInitialize()) { 11713194Sgabeblack@google.com if (!p->hasStaticSensitivities() && !p->internal()) { 11813317Sgabeblack@google.com SC_REPORT_WARNING(sc_core::SC_ID_DISABLE_WILL_ORPHAN_PROCESS_, 11913317Sgabeblack@google.com p->name()); 12013194Sgabeblack@google.com } 12113194Sgabeblack@google.com } else { 12213194Sgabeblack@google.com p->ready(); 12313180Sgabeblack@google.com } 12412957Sgabeblack@google.com } 12512957Sgabeblack@google.com 12613186Sgabeblack@google.com runDelta(); 12713067Sgabeblack@google.com 12812985Sgabeblack@google.com for (auto ets: eventsToSchedule) 12912985Sgabeblack@google.com eq->schedule(ets.first, ets.second); 13012985Sgabeblack@google.com eventsToSchedule.clear(); 13112985Sgabeblack@google.com 13213068Sgabeblack@google.com if (_started) { 13313096Sgabeblack@google.com if (!runToTime && starved()) 13413068Sgabeblack@google.com scheduleStarvationEvent(); 13513069Sgabeblack@google.com kernel->status(::sc_core::SC_RUNNING); 13613068Sgabeblack@google.com } 13712961Sgabeblack@google.com 13813067Sgabeblack@google.com initDone = true; 13913186Sgabeblack@google.com 14013186Sgabeblack@google.com status(StatusOther); 14113245Sgabeblack@google.com 14213245Sgabeblack@google.com scheduleTimeAdvancesEvent(); 14312957Sgabeblack@google.com} 14412957Sgabeblack@google.com 14512957Sgabeblack@google.comvoid 14612957Sgabeblack@google.comScheduler::reg(Process *p) 14712957Sgabeblack@google.com{ 14813067Sgabeblack@google.com if (initDone) { 14913194Sgabeblack@google.com // If not marked as dontInitialize, mark as ready. 15013194Sgabeblack@google.com if (!p->dontInitialize()) 15113194Sgabeblack@google.com p->ready(); 15212957Sgabeblack@google.com } else { 15312957Sgabeblack@google.com // Otherwise, record that this process should be initialized once we 15412957Sgabeblack@google.com // get there. 15512957Sgabeblack@google.com initList.pushLast(p); 15612957Sgabeblack@google.com } 15712957Sgabeblack@google.com} 15812957Sgabeblack@google.com 15912957Sgabeblack@google.comvoid 16012953Sgabeblack@google.comScheduler::yield() 16112953Sgabeblack@google.com{ 16213176Sgabeblack@google.com // Pull a process from the active list. 16313209Sgabeblack@google.com _current = getNextReady(); 16412953Sgabeblack@google.com if (!_current) { 16512953Sgabeblack@google.com // There are no more processes, so return control to evaluate. 16612953Sgabeblack@google.com Fiber::primaryFiber()->run(); 16712953Sgabeblack@google.com } else { 16812953Sgabeblack@google.com _current->popListNode(); 16913328Sgabeblack@google.com _current->scheduled(false); 17012953Sgabeblack@google.com // Switch to whatever Fiber is supposed to run this process. All 17112953Sgabeblack@google.com // Fibers which aren't running should be parked at this line. 17212953Sgabeblack@google.com _current->fiber()->run(); 17312961Sgabeblack@google.com // If the current process needs to be manually started, start it. 17413093Sgabeblack@google.com if (_current && _current->needsStart()) { 17513093Sgabeblack@google.com _current->needsStart(false); 17613308Sgabeblack@google.com // If a process hasn't started yet, "resetting" it just starts it 17713308Sgabeblack@google.com // and signals its reset event. 17813308Sgabeblack@google.com if (_current->inReset()) 17913308Sgabeblack@google.com _current->resetEvent().notify(); 18013182Sgabeblack@google.com try { 18113182Sgabeblack@google.com _current->run(); 18213182Sgabeblack@google.com } catch (...) { 18313701Sgabeblack@google.com throwUp(); 18413182Sgabeblack@google.com } 18513093Sgabeblack@google.com } 18612953Sgabeblack@google.com } 18713259Sgabeblack@google.com if (_current && !_current->needsStart()) { 18813259Sgabeblack@google.com if (_current->excWrapper) { 18913259Sgabeblack@google.com auto ew = _current->excWrapper; 19013259Sgabeblack@google.com _current->excWrapper = nullptr; 19113259Sgabeblack@google.com ew->throw_it(); 19213260Sgabeblack@google.com } else if (_current->inReset()) { 19313259Sgabeblack@google.com _current->reset(false); 19413259Sgabeblack@google.com } 19512995Sgabeblack@google.com } 19612953Sgabeblack@google.com} 19712953Sgabeblack@google.com 19812953Sgabeblack@google.comvoid 19912954Sgabeblack@google.comScheduler::ready(Process *p) 20012953Sgabeblack@google.com{ 20113154Sgabeblack@google.com if (_stopNow) 20213154Sgabeblack@google.com return; 20313154Sgabeblack@google.com 20413328Sgabeblack@google.com p->scheduled(true); 20513328Sgabeblack@google.com 20613176Sgabeblack@google.com if (p->procKind() == ::sc_core::SC_METHOD_PROC_) 20713176Sgabeblack@google.com readyListMethods.pushLast(p); 20812954Sgabeblack@google.com else 20913176Sgabeblack@google.com readyListThreads.pushLast(p); 21012953Sgabeblack@google.com 21113244Sgabeblack@google.com if (!inEvaluate()) 21213244Sgabeblack@google.com scheduleReadyEvent(); 21312954Sgabeblack@google.com} 21412954Sgabeblack@google.com 21512954Sgabeblack@google.comvoid 21613133Sgabeblack@google.comScheduler::resume(Process *p) 21713133Sgabeblack@google.com{ 21813133Sgabeblack@google.com if (initDone) 21913133Sgabeblack@google.com ready(p); 22013133Sgabeblack@google.com else 22113133Sgabeblack@google.com initList.pushLast(p); 22213133Sgabeblack@google.com} 22313133Sgabeblack@google.com 22413133Sgabeblack@google.combool 22513176Sgabeblack@google.comlistContains(ListNode *list, ListNode *target) 22613176Sgabeblack@google.com{ 22713176Sgabeblack@google.com ListNode *n = list->nextListNode; 22813176Sgabeblack@google.com while (n != list) 22913176Sgabeblack@google.com if (n == target) 23013176Sgabeblack@google.com return true; 23113176Sgabeblack@google.com return false; 23213176Sgabeblack@google.com} 23313176Sgabeblack@google.com 23413176Sgabeblack@google.combool 23513133Sgabeblack@google.comScheduler::suspend(Process *p) 23613133Sgabeblack@google.com{ 23713176Sgabeblack@google.com bool was_ready; 23813133Sgabeblack@google.com if (initDone) { 23913194Sgabeblack@google.com // After initialization, check if we're on a ready list. 24013176Sgabeblack@google.com was_ready = (p->nextListNode != nullptr); 24113133Sgabeblack@google.com p->popListNode(); 24213133Sgabeblack@google.com } else { 24313194Sgabeblack@google.com // Nothing is ready before init. 24413194Sgabeblack@google.com was_ready = false; 24513133Sgabeblack@google.com } 24613176Sgabeblack@google.com return was_ready; 24713133Sgabeblack@google.com} 24813133Sgabeblack@google.com 24913133Sgabeblack@google.comvoid 25012954Sgabeblack@google.comScheduler::requestUpdate(Channel *c) 25112954Sgabeblack@google.com{ 25212954Sgabeblack@google.com updateList.pushLast(c); 25313244Sgabeblack@google.com if (!inEvaluate()) 25413244Sgabeblack@google.com scheduleReadyEvent(); 25512954Sgabeblack@google.com} 25612954Sgabeblack@google.com 25712954Sgabeblack@google.comvoid 25812954Sgabeblack@google.comScheduler::scheduleReadyEvent() 25912954Sgabeblack@google.com{ 26012954Sgabeblack@google.com // Schedule the evaluate and update phases. 26112954Sgabeblack@google.com if (!readyEvent.scheduled()) { 26213069Sgabeblack@google.com schedule(&readyEvent); 26312987Sgabeblack@google.com if (starvationEvent.scheduled()) 26413069Sgabeblack@google.com deschedule(&starvationEvent); 26512987Sgabeblack@google.com } 26612987Sgabeblack@google.com} 26712987Sgabeblack@google.com 26812987Sgabeblack@google.comvoid 26912987Sgabeblack@google.comScheduler::scheduleStarvationEvent() 27012987Sgabeblack@google.com{ 27112987Sgabeblack@google.com if (!starvationEvent.scheduled()) { 27213069Sgabeblack@google.com schedule(&starvationEvent); 27312987Sgabeblack@google.com if (readyEvent.scheduled()) 27413069Sgabeblack@google.com deschedule(&readyEvent); 27512954Sgabeblack@google.com } 27612954Sgabeblack@google.com} 27712954Sgabeblack@google.com 27812954Sgabeblack@google.comvoid 27912954Sgabeblack@google.comScheduler::runReady() 28012954Sgabeblack@google.com{ 28113245Sgabeblack@google.com scheduleTimeAdvancesEvent(); 28213245Sgabeblack@google.com 28313176Sgabeblack@google.com bool empty = readyListMethods.empty() && readyListThreads.empty(); 28413140Sgabeblack@google.com lastReadyTick = getCurTick(); 28512954Sgabeblack@google.com 28612954Sgabeblack@google.com // The evaluation phase. 28713245Sgabeblack@google.com status(StatusEvaluate); 28812953Sgabeblack@google.com do { 28913209Sgabeblack@google.com yield(); 29013209Sgabeblack@google.com } while (getNextReady()); 29113275Sgabeblack@google.com _current = nullptr; 29212954Sgabeblack@google.com 29313140Sgabeblack@google.com if (!empty) { 29412954Sgabeblack@google.com _numCycles++; 29513140Sgabeblack@google.com _changeStamp++; 29613140Sgabeblack@google.com } 29712954Sgabeblack@google.com 29813244Sgabeblack@google.com if (_stopNow) { 29913244Sgabeblack@google.com status(StatusOther); 30013154Sgabeblack@google.com return; 30113244Sgabeblack@google.com } 30213154Sgabeblack@google.com 30313186Sgabeblack@google.com runUpdate(); 30413245Sgabeblack@google.com if (!traceFiles.empty()) 30513245Sgabeblack@google.com trace(true); 30613186Sgabeblack@google.com runDelta(); 30713061Sgabeblack@google.com 30813096Sgabeblack@google.com if (!runToTime && starved()) 30913096Sgabeblack@google.com scheduleStarvationEvent(); 31013096Sgabeblack@google.com 31113064Sgabeblack@google.com if (runOnce) 31213064Sgabeblack@google.com schedulePause(); 31313186Sgabeblack@google.com 31413186Sgabeblack@google.com status(StatusOther); 31512953Sgabeblack@google.com} 31612953Sgabeblack@google.com 31712953Sgabeblack@google.comvoid 31813186Sgabeblack@google.comScheduler::runUpdate() 31912953Sgabeblack@google.com{ 32013186Sgabeblack@google.com status(StatusUpdate); 32113186Sgabeblack@google.com 32213188Sgabeblack@google.com try { 32313188Sgabeblack@google.com Channel *channel = updateList.getNext(); 32413188Sgabeblack@google.com while (channel) { 32513188Sgabeblack@google.com channel->popListNode(); 32613188Sgabeblack@google.com channel->update(); 32713188Sgabeblack@google.com channel = updateList.getNext(); 32813188Sgabeblack@google.com } 32913188Sgabeblack@google.com } catch (...) { 33013701Sgabeblack@google.com throwUp(); 33112954Sgabeblack@google.com } 33212953Sgabeblack@google.com} 33312953Sgabeblack@google.com 33412961Sgabeblack@google.comvoid 33513186Sgabeblack@google.comScheduler::runDelta() 33613186Sgabeblack@google.com{ 33713186Sgabeblack@google.com status(StatusDelta); 33813188Sgabeblack@google.com 33913188Sgabeblack@google.com try { 34013188Sgabeblack@google.com while (!deltas.empty()) 34113289Sgabeblack@google.com deltas.back()->run(); 34213188Sgabeblack@google.com } catch (...) { 34313701Sgabeblack@google.com throwUp(); 34413188Sgabeblack@google.com } 34513186Sgabeblack@google.com} 34613186Sgabeblack@google.com 34713186Sgabeblack@google.comvoid 34812961Sgabeblack@google.comScheduler::pause() 34912961Sgabeblack@google.com{ 35013186Sgabeblack@google.com status(StatusPaused); 35112982Sgabeblack@google.com kernel->status(::sc_core::SC_PAUSED); 35213061Sgabeblack@google.com runOnce = false; 35313403Sgabeblack@google.com if (scMainFiber.called() && !scMainFiber.finished()) 35413403Sgabeblack@google.com scMainFiber.run(); 35512961Sgabeblack@google.com} 35612961Sgabeblack@google.com 35712961Sgabeblack@google.comvoid 35812961Sgabeblack@google.comScheduler::stop() 35912961Sgabeblack@google.com{ 36013186Sgabeblack@google.com status(StatusStopped); 36112982Sgabeblack@google.com kernel->stop(); 36213074Sgabeblack@google.com 36313076Sgabeblack@google.com clear(); 36413074Sgabeblack@google.com 36513061Sgabeblack@google.com runOnce = false; 36613403Sgabeblack@google.com if (scMainFiber.called() && !scMainFiber.finished()) 36713403Sgabeblack@google.com scMainFiber.run(); 36812961Sgabeblack@google.com} 36912961Sgabeblack@google.com 37012961Sgabeblack@google.comvoid 37112961Sgabeblack@google.comScheduler::start(Tick max_tick, bool run_to_time) 37212961Sgabeblack@google.com{ 37312961Sgabeblack@google.com _started = true; 37413186Sgabeblack@google.com status(StatusOther); 37512987Sgabeblack@google.com runToTime = run_to_time; 37612961Sgabeblack@google.com 37712961Sgabeblack@google.com maxTick = max_tick; 37813140Sgabeblack@google.com lastReadyTick = getCurTick(); 37912961Sgabeblack@google.com 38013067Sgabeblack@google.com if (initDone) { 38113096Sgabeblack@google.com if (!runToTime && starved()) 38213068Sgabeblack@google.com scheduleStarvationEvent(); 38312982Sgabeblack@google.com kernel->status(::sc_core::SC_RUNNING); 38412982Sgabeblack@google.com } 38512961Sgabeblack@google.com 38613069Sgabeblack@google.com schedule(&maxTickEvent, maxTick); 38713245Sgabeblack@google.com scheduleTimeAdvancesEvent(); 38813069Sgabeblack@google.com 38912961Sgabeblack@google.com // Return to gem5 to let it run events, etc. 39012961Sgabeblack@google.com Fiber::primaryFiber()->run(); 39112961Sgabeblack@google.com 39212961Sgabeblack@google.com if (pauseEvent.scheduled()) 39313088Sgabeblack@google.com deschedule(&pauseEvent); 39412961Sgabeblack@google.com if (stopEvent.scheduled()) 39513088Sgabeblack@google.com deschedule(&stopEvent); 39612961Sgabeblack@google.com if (maxTickEvent.scheduled()) 39713088Sgabeblack@google.com deschedule(&maxTickEvent); 39812987Sgabeblack@google.com if (starvationEvent.scheduled()) 39913088Sgabeblack@google.com deschedule(&starvationEvent); 40013182Sgabeblack@google.com 40113701Sgabeblack@google.com if (_throwUp) { 40213701Sgabeblack@google.com const ::sc_core::sc_report *to_throw = _throwUp; 40313701Sgabeblack@google.com _throwUp = nullptr; 40413182Sgabeblack@google.com throw *to_throw; 40513182Sgabeblack@google.com } 40612961Sgabeblack@google.com} 40712961Sgabeblack@google.com 40812961Sgabeblack@google.comvoid 40913061Sgabeblack@google.comScheduler::oneCycle() 41013061Sgabeblack@google.com{ 41113061Sgabeblack@google.com runOnce = true; 41213095Sgabeblack@google.com scheduleReadyEvent(); 41313061Sgabeblack@google.com start(::MaxTick, false); 41413061Sgabeblack@google.com} 41513061Sgabeblack@google.com 41613061Sgabeblack@google.comvoid 41712961Sgabeblack@google.comScheduler::schedulePause() 41812961Sgabeblack@google.com{ 41912961Sgabeblack@google.com if (pauseEvent.scheduled()) 42012961Sgabeblack@google.com return; 42112961Sgabeblack@google.com 42213088Sgabeblack@google.com schedule(&pauseEvent); 42312961Sgabeblack@google.com} 42412961Sgabeblack@google.com 42512961Sgabeblack@google.comvoid 42613701Sgabeblack@google.comScheduler::throwUp() 42713182Sgabeblack@google.com{ 42813701Sgabeblack@google.com if (scMainFiber.called() && !scMainFiber.finished()) { 42913701Sgabeblack@google.com ::sc_core::sc_report report = reportifyException(); 43013701Sgabeblack@google.com _throwUp = &report; 43113701Sgabeblack@google.com status(StatusOther); 43213701Sgabeblack@google.com scMainFiber.run(); 43313701Sgabeblack@google.com } else { 43413701Sgabeblack@google.com reportHandlerProc(reportifyException(), 43513701Sgabeblack@google.com ::sc_core::sc_report_handler::get_catch_actions()); 43613701Sgabeblack@google.com } 43713182Sgabeblack@google.com} 43813182Sgabeblack@google.com 43913182Sgabeblack@google.comvoid 44012961Sgabeblack@google.comScheduler::scheduleStop(bool finish_delta) 44112961Sgabeblack@google.com{ 44212961Sgabeblack@google.com if (stopEvent.scheduled()) 44312961Sgabeblack@google.com return; 44412961Sgabeblack@google.com 44512961Sgabeblack@google.com if (!finish_delta) { 44613154Sgabeblack@google.com _stopNow = true; 44713076Sgabeblack@google.com // If we're not supposed to finish the delta cycle, flush all 44813076Sgabeblack@google.com // pending activity. 44913076Sgabeblack@google.com clear(); 45012961Sgabeblack@google.com } 45113088Sgabeblack@google.com schedule(&stopEvent); 45212961Sgabeblack@google.com} 45312961Sgabeblack@google.com 45413245Sgabeblack@google.comvoid 45513245Sgabeblack@google.comScheduler::trace(bool delta) 45613245Sgabeblack@google.com{ 45713245Sgabeblack@google.com for (auto tf: traceFiles) 45813245Sgabeblack@google.com tf->trace(delta); 45913245Sgabeblack@google.com} 46013245Sgabeblack@google.com 46112953Sgabeblack@google.comScheduler scheduler; 46213329Sgabeblack@google.comProcess *getCurrentProcess() { return scheduler.current(); } 46312953Sgabeblack@google.com 46413182Sgabeblack@google.comnamespace { 46513182Sgabeblack@google.com 46613182Sgabeblack@google.comvoid 46713182Sgabeblack@google.comthrowingReportHandler(const ::sc_core::sc_report &r, 46813182Sgabeblack@google.com const ::sc_core::sc_actions &) 46913182Sgabeblack@google.com{ 47013182Sgabeblack@google.com throw r; 47113182Sgabeblack@google.com} 47213182Sgabeblack@google.com 47313182Sgabeblack@google.com} // anonymous namespace 47413182Sgabeblack@google.com 47513264Sgabeblack@google.comconst ::sc_core::sc_report 47613182Sgabeblack@google.comreportifyException() 47713182Sgabeblack@google.com{ 47813312Sgabeblack@google.com ::sc_core::sc_report_handler_proc old_handler = reportHandlerProc; 47913182Sgabeblack@google.com ::sc_core::sc_report_handler::set_handler(&throwingReportHandler); 48013182Sgabeblack@google.com 48113182Sgabeblack@google.com try { 48213182Sgabeblack@google.com try { 48313182Sgabeblack@google.com // Rethrow the current exception so we can catch it and throw an 48413182Sgabeblack@google.com // sc_report instead if it's not a type we recognize/can handle. 48513182Sgabeblack@google.com throw; 48613182Sgabeblack@google.com } catch (const ::sc_core::sc_report &) { 48713182Sgabeblack@google.com // It's already a sc_report, so nothing to do. 48813182Sgabeblack@google.com throw; 48913182Sgabeblack@google.com } catch (const ::sc_core::sc_unwind_exception &) { 49013182Sgabeblack@google.com panic("Kill/reset exception escaped a Process::run()"); 49113182Sgabeblack@google.com } catch (const std::exception &e) { 49213317Sgabeblack@google.com SC_REPORT_ERROR( 49313317Sgabeblack@google.com sc_core::SC_ID_SIMULATION_UNCAUGHT_EXCEPTION_, e.what()); 49413182Sgabeblack@google.com } catch (const char *msg) { 49513317Sgabeblack@google.com SC_REPORT_ERROR( 49613317Sgabeblack@google.com sc_core::SC_ID_SIMULATION_UNCAUGHT_EXCEPTION_, msg); 49713182Sgabeblack@google.com } catch (...) { 49813317Sgabeblack@google.com SC_REPORT_ERROR( 49913317Sgabeblack@google.com sc_core::SC_ID_SIMULATION_UNCAUGHT_EXCEPTION_, 50013317Sgabeblack@google.com "UNKNOWN EXCEPTION"); 50113182Sgabeblack@google.com } 50213182Sgabeblack@google.com } catch (const ::sc_core::sc_report &r) { 50313182Sgabeblack@google.com ::sc_core::sc_report_handler::set_handler(old_handler); 50413264Sgabeblack@google.com return r; 50513182Sgabeblack@google.com } 50613182Sgabeblack@google.com panic("No exception thrown in reportifyException."); 50713182Sgabeblack@google.com} 50813182Sgabeblack@google.com 50912953Sgabeblack@google.com} // namespace sc_gem5 510