scheduler.cc revision 13194
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" 3612982Sgabeblack@google.com#include "systemc/ext/core/sc_main.hh" 3713182Sgabeblack@google.com#include "systemc/ext/utils/sc_report.hh" 3813182Sgabeblack@google.com#include "systemc/ext/utils/sc_report_handler.hh" 3912953Sgabeblack@google.com 4012953Sgabeblack@google.comnamespace sc_gem5 4112953Sgabeblack@google.com{ 4212953Sgabeblack@google.com 4312954Sgabeblack@google.comScheduler::Scheduler() : 4412962Sgabeblack@google.com eq(nullptr), readyEvent(this, false, ReadyPriority), 4512961Sgabeblack@google.com pauseEvent(this, false, PausePriority), 4612961Sgabeblack@google.com stopEvent(this, false, StopPriority), 4713182Sgabeblack@google.com scMain(nullptr), _throwToScMain(nullptr), 4812987Sgabeblack@google.com starvationEvent(this, false, StarvationPriority), 4913186Sgabeblack@google.com _started(false), _stopNow(false), _status(StatusOther), 5012961Sgabeblack@google.com maxTickEvent(this, false, MaxTickPriority), 5113140Sgabeblack@google.com _numCycles(0), _changeStamp(0), _current(nullptr), initDone(false), 5213176Sgabeblack@google.com runOnce(false), readyList(nullptr) 5312954Sgabeblack@google.com{} 5412953Sgabeblack@google.com 5513072Sgabeblack@google.comScheduler::~Scheduler() 5613072Sgabeblack@google.com{ 5713072Sgabeblack@google.com // Clear out everything that belongs to us to make sure nobody tries to 5813072Sgabeblack@google.com // clear themselves out after the scheduler goes away. 5913076Sgabeblack@google.com clear(); 6013076Sgabeblack@google.com} 6113072Sgabeblack@google.com 6213076Sgabeblack@google.comvoid 6313076Sgabeblack@google.comScheduler::clear() 6413076Sgabeblack@google.com{ 6513072Sgabeblack@google.com // Delta notifications. 6613144Sgabeblack@google.com while (!deltas.empty()) 6713144Sgabeblack@google.com deltas.front()->deschedule(); 6813072Sgabeblack@google.com 6913072Sgabeblack@google.com // Timed notifications. 7013076Sgabeblack@google.com for (auto &tsp: timeSlots) { 7113076Sgabeblack@google.com TimeSlot *&ts = tsp.second; 7213144Sgabeblack@google.com while (!ts->events.empty()) 7313144Sgabeblack@google.com ts->events.front()->deschedule(); 7413088Sgabeblack@google.com deschedule(ts); 7513072Sgabeblack@google.com } 7613076Sgabeblack@google.com timeSlots.clear(); 7713072Sgabeblack@google.com 7813072Sgabeblack@google.com // gem5 events. 7913072Sgabeblack@google.com if (readyEvent.scheduled()) 8013088Sgabeblack@google.com deschedule(&readyEvent); 8113072Sgabeblack@google.com if (pauseEvent.scheduled()) 8213088Sgabeblack@google.com deschedule(&pauseEvent); 8313072Sgabeblack@google.com if (stopEvent.scheduled()) 8413088Sgabeblack@google.com deschedule(&stopEvent); 8513072Sgabeblack@google.com if (starvationEvent.scheduled()) 8613088Sgabeblack@google.com deschedule(&starvationEvent); 8713072Sgabeblack@google.com if (maxTickEvent.scheduled()) 8813088Sgabeblack@google.com deschedule(&maxTickEvent); 8913072Sgabeblack@google.com 9013072Sgabeblack@google.com Process *p; 9113072Sgabeblack@google.com while ((p = initList.getNext())) 9213072Sgabeblack@google.com p->popListNode(); 9313176Sgabeblack@google.com while ((p = readyListMethods.getNext())) 9413176Sgabeblack@google.com p->popListNode(); 9513176Sgabeblack@google.com while ((p = readyListThreads.getNext())) 9613072Sgabeblack@google.com p->popListNode(); 9713072Sgabeblack@google.com 9813072Sgabeblack@google.com Channel *c; 9913072Sgabeblack@google.com while ((c = updateList.getNext())) 10013072Sgabeblack@google.com c->popListNode(); 10113072Sgabeblack@google.com} 10213072Sgabeblack@google.com 10312953Sgabeblack@google.comvoid 10413067Sgabeblack@google.comScheduler::initPhase() 10512953Sgabeblack@google.com{ 10613194Sgabeblack@google.com for (Process *p = initList.getNext(); p; p = initList.getNext()) { 10712957Sgabeblack@google.com p->finalize(); 10812957Sgabeblack@google.com p->popListNode(); 10913180Sgabeblack@google.com 11013194Sgabeblack@google.com if (p->dontInitialize()) { 11113194Sgabeblack@google.com if (!p->hasStaticSensitivities() && !p->internal()) { 11213194Sgabeblack@google.com SC_REPORT_WARNING( 11313194Sgabeblack@google.com "(W558) disable() or dont_initialize() called on " 11413194Sgabeblack@google.com "process with no static sensitivity, it will be " 11513194Sgabeblack@google.com "orphaned", p->name()); 11613194Sgabeblack@google.com } 11713194Sgabeblack@google.com } else { 11813194Sgabeblack@google.com p->ready(); 11913180Sgabeblack@google.com } 12012957Sgabeblack@google.com } 12112957Sgabeblack@google.com 12213186Sgabeblack@google.com runUpdate(); 12313186Sgabeblack@google.com runDelta(); 12413067Sgabeblack@google.com 12512985Sgabeblack@google.com for (auto ets: eventsToSchedule) 12612985Sgabeblack@google.com eq->schedule(ets.first, ets.second); 12712985Sgabeblack@google.com eventsToSchedule.clear(); 12812985Sgabeblack@google.com 12913068Sgabeblack@google.com if (_started) { 13013096Sgabeblack@google.com if (!runToTime && starved()) 13113068Sgabeblack@google.com scheduleStarvationEvent(); 13213069Sgabeblack@google.com kernel->status(::sc_core::SC_RUNNING); 13313068Sgabeblack@google.com } 13412961Sgabeblack@google.com 13513067Sgabeblack@google.com initDone = true; 13613186Sgabeblack@google.com 13713186Sgabeblack@google.com status(StatusOther); 13812957Sgabeblack@google.com} 13912957Sgabeblack@google.com 14012957Sgabeblack@google.comvoid 14112957Sgabeblack@google.comScheduler::reg(Process *p) 14212957Sgabeblack@google.com{ 14313067Sgabeblack@google.com if (initDone) { 14412957Sgabeblack@google.com // If we're past initialization, finalize static sensitivity. 14512957Sgabeblack@google.com p->finalize(); 14613194Sgabeblack@google.com // If not marked as dontInitialize, mark as ready. 14713194Sgabeblack@google.com if (!p->dontInitialize()) 14813194Sgabeblack@google.com p->ready(); 14912957Sgabeblack@google.com } else { 15012957Sgabeblack@google.com // Otherwise, record that this process should be initialized once we 15112957Sgabeblack@google.com // get there. 15212957Sgabeblack@google.com initList.pushLast(p); 15312957Sgabeblack@google.com } 15412957Sgabeblack@google.com} 15512957Sgabeblack@google.com 15612957Sgabeblack@google.comvoid 15712953Sgabeblack@google.comScheduler::yield() 15812953Sgabeblack@google.com{ 15913176Sgabeblack@google.com // Pull a process from the active list. 16013176Sgabeblack@google.com _current = readyList->getNext(); 16112953Sgabeblack@google.com if (!_current) { 16212953Sgabeblack@google.com // There are no more processes, so return control to evaluate. 16312953Sgabeblack@google.com Fiber::primaryFiber()->run(); 16412953Sgabeblack@google.com } else { 16512953Sgabeblack@google.com _current->popListNode(); 16612953Sgabeblack@google.com // Switch to whatever Fiber is supposed to run this process. All 16712953Sgabeblack@google.com // Fibers which aren't running should be parked at this line. 16812953Sgabeblack@google.com _current->fiber()->run(); 16912961Sgabeblack@google.com // If the current process needs to be manually started, start it. 17013093Sgabeblack@google.com if (_current && _current->needsStart()) { 17113093Sgabeblack@google.com _current->needsStart(false); 17213182Sgabeblack@google.com try { 17313182Sgabeblack@google.com _current->run(); 17413182Sgabeblack@google.com } catch (...) { 17513182Sgabeblack@google.com throwToScMain(); 17613182Sgabeblack@google.com } 17713093Sgabeblack@google.com } 17812953Sgabeblack@google.com } 17912995Sgabeblack@google.com if (_current && _current->excWrapper) { 18012995Sgabeblack@google.com // Make sure this isn't a method process. 18112995Sgabeblack@google.com assert(!_current->needsStart()); 18212995Sgabeblack@google.com auto ew = _current->excWrapper; 18312995Sgabeblack@google.com _current->excWrapper = nullptr; 18412995Sgabeblack@google.com ew->throw_it(); 18512995Sgabeblack@google.com } 18612953Sgabeblack@google.com} 18712953Sgabeblack@google.com 18812953Sgabeblack@google.comvoid 18912954Sgabeblack@google.comScheduler::ready(Process *p) 19012953Sgabeblack@google.com{ 19113154Sgabeblack@google.com if (_stopNow) 19213154Sgabeblack@google.com return; 19313154Sgabeblack@google.com 19413176Sgabeblack@google.com if (p->procKind() == ::sc_core::SC_METHOD_PROC_) 19513176Sgabeblack@google.com readyListMethods.pushLast(p); 19612954Sgabeblack@google.com else 19713176Sgabeblack@google.com readyListThreads.pushLast(p); 19812953Sgabeblack@google.com 19912954Sgabeblack@google.com scheduleReadyEvent(); 20012954Sgabeblack@google.com} 20112954Sgabeblack@google.com 20212954Sgabeblack@google.comvoid 20313133Sgabeblack@google.comScheduler::resume(Process *p) 20413133Sgabeblack@google.com{ 20513133Sgabeblack@google.com if (initDone) 20613133Sgabeblack@google.com ready(p); 20713133Sgabeblack@google.com else 20813133Sgabeblack@google.com initList.pushLast(p); 20913133Sgabeblack@google.com} 21013133Sgabeblack@google.com 21113133Sgabeblack@google.combool 21213176Sgabeblack@google.comlistContains(ListNode *list, ListNode *target) 21313176Sgabeblack@google.com{ 21413176Sgabeblack@google.com ListNode *n = list->nextListNode; 21513176Sgabeblack@google.com while (n != list) 21613176Sgabeblack@google.com if (n == target) 21713176Sgabeblack@google.com return true; 21813176Sgabeblack@google.com return false; 21913176Sgabeblack@google.com} 22013176Sgabeblack@google.com 22113176Sgabeblack@google.combool 22213133Sgabeblack@google.comScheduler::suspend(Process *p) 22313133Sgabeblack@google.com{ 22413176Sgabeblack@google.com bool was_ready; 22513133Sgabeblack@google.com if (initDone) { 22613194Sgabeblack@google.com // After initialization, check if we're on a ready list. 22713176Sgabeblack@google.com was_ready = (p->nextListNode != nullptr); 22813133Sgabeblack@google.com p->popListNode(); 22913133Sgabeblack@google.com } else { 23013194Sgabeblack@google.com // Nothing is ready before init. 23113194Sgabeblack@google.com was_ready = false; 23213133Sgabeblack@google.com } 23313176Sgabeblack@google.com return was_ready; 23413133Sgabeblack@google.com} 23513133Sgabeblack@google.com 23613133Sgabeblack@google.comvoid 23712954Sgabeblack@google.comScheduler::requestUpdate(Channel *c) 23812954Sgabeblack@google.com{ 23912954Sgabeblack@google.com updateList.pushLast(c); 24013069Sgabeblack@google.com scheduleReadyEvent(); 24112954Sgabeblack@google.com} 24212954Sgabeblack@google.com 24312954Sgabeblack@google.comvoid 24412954Sgabeblack@google.comScheduler::scheduleReadyEvent() 24512954Sgabeblack@google.com{ 24612954Sgabeblack@google.com // Schedule the evaluate and update phases. 24712954Sgabeblack@google.com if (!readyEvent.scheduled()) { 24813069Sgabeblack@google.com schedule(&readyEvent); 24912987Sgabeblack@google.com if (starvationEvent.scheduled()) 25013069Sgabeblack@google.com deschedule(&starvationEvent); 25112987Sgabeblack@google.com } 25212987Sgabeblack@google.com} 25312987Sgabeblack@google.com 25412987Sgabeblack@google.comvoid 25512987Sgabeblack@google.comScheduler::scheduleStarvationEvent() 25612987Sgabeblack@google.com{ 25712987Sgabeblack@google.com if (!starvationEvent.scheduled()) { 25813069Sgabeblack@google.com schedule(&starvationEvent); 25912987Sgabeblack@google.com if (readyEvent.scheduled()) 26013069Sgabeblack@google.com deschedule(&readyEvent); 26112954Sgabeblack@google.com } 26212954Sgabeblack@google.com} 26312954Sgabeblack@google.com 26412954Sgabeblack@google.comvoid 26512954Sgabeblack@google.comScheduler::runReady() 26612954Sgabeblack@google.com{ 26713176Sgabeblack@google.com bool empty = readyListMethods.empty() && readyListThreads.empty(); 26813140Sgabeblack@google.com lastReadyTick = getCurTick(); 26912954Sgabeblack@google.com 27012954Sgabeblack@google.com // The evaluation phase. 27112953Sgabeblack@google.com do { 27213176Sgabeblack@google.com // We run methods and threads in two seperate passes to emulate how 27313176Sgabeblack@google.com // Accellera orders things, but without having to scan through a 27413176Sgabeblack@google.com // unified list to find the next process of the correct type. 27513176Sgabeblack@google.com readyList = &readyListMethods; 27613176Sgabeblack@google.com while (!readyListMethods.empty()) 27713176Sgabeblack@google.com yield(); 27813176Sgabeblack@google.com 27913176Sgabeblack@google.com readyList = &readyListThreads; 28013176Sgabeblack@google.com while (!readyListThreads.empty()) 28113176Sgabeblack@google.com yield(); 28213176Sgabeblack@google.com 28313176Sgabeblack@google.com // We already know that readyListThreads is empty at this point. 28413176Sgabeblack@google.com } while (!readyListMethods.empty()); 28512954Sgabeblack@google.com 28613140Sgabeblack@google.com if (!empty) { 28712954Sgabeblack@google.com _numCycles++; 28813140Sgabeblack@google.com _changeStamp++; 28913140Sgabeblack@google.com } 29012954Sgabeblack@google.com 29113154Sgabeblack@google.com if (_stopNow) 29213154Sgabeblack@google.com return; 29313154Sgabeblack@google.com 29413186Sgabeblack@google.com runUpdate(); 29513186Sgabeblack@google.com runDelta(); 29613061Sgabeblack@google.com 29713096Sgabeblack@google.com if (!runToTime && starved()) 29813096Sgabeblack@google.com scheduleStarvationEvent(); 29913096Sgabeblack@google.com 30013064Sgabeblack@google.com if (runOnce) 30113064Sgabeblack@google.com schedulePause(); 30213186Sgabeblack@google.com 30313186Sgabeblack@google.com status(StatusOther); 30412953Sgabeblack@google.com} 30512953Sgabeblack@google.com 30612953Sgabeblack@google.comvoid 30713186Sgabeblack@google.comScheduler::runUpdate() 30812953Sgabeblack@google.com{ 30913186Sgabeblack@google.com status(StatusUpdate); 31013186Sgabeblack@google.com 31113188Sgabeblack@google.com try { 31213188Sgabeblack@google.com Channel *channel = updateList.getNext(); 31313188Sgabeblack@google.com while (channel) { 31413188Sgabeblack@google.com channel->popListNode(); 31513188Sgabeblack@google.com channel->update(); 31613188Sgabeblack@google.com channel = updateList.getNext(); 31713188Sgabeblack@google.com } 31813188Sgabeblack@google.com } catch (...) { 31913188Sgabeblack@google.com throwToScMain(); 32012954Sgabeblack@google.com } 32112953Sgabeblack@google.com} 32212953Sgabeblack@google.com 32312961Sgabeblack@google.comvoid 32413186Sgabeblack@google.comScheduler::runDelta() 32513186Sgabeblack@google.com{ 32613186Sgabeblack@google.com status(StatusDelta); 32713188Sgabeblack@google.com 32813188Sgabeblack@google.com try { 32913188Sgabeblack@google.com while (!deltas.empty()) 33013188Sgabeblack@google.com deltas.front()->run(); 33113188Sgabeblack@google.com } catch (...) { 33213188Sgabeblack@google.com throwToScMain(); 33313188Sgabeblack@google.com } 33413186Sgabeblack@google.com} 33513186Sgabeblack@google.com 33613186Sgabeblack@google.comvoid 33712961Sgabeblack@google.comScheduler::pause() 33812961Sgabeblack@google.com{ 33913186Sgabeblack@google.com status(StatusPaused); 34012982Sgabeblack@google.com kernel->status(::sc_core::SC_PAUSED); 34113061Sgabeblack@google.com runOnce = false; 34213182Sgabeblack@google.com if (scMain && !scMain->finished()) 34313182Sgabeblack@google.com scMain->run(); 34412961Sgabeblack@google.com} 34512961Sgabeblack@google.com 34612961Sgabeblack@google.comvoid 34712961Sgabeblack@google.comScheduler::stop() 34812961Sgabeblack@google.com{ 34913186Sgabeblack@google.com status(StatusStopped); 35012982Sgabeblack@google.com kernel->stop(); 35113074Sgabeblack@google.com 35213076Sgabeblack@google.com clear(); 35313074Sgabeblack@google.com 35413061Sgabeblack@google.com runOnce = false; 35513182Sgabeblack@google.com if (scMain && !scMain->finished()) 35613182Sgabeblack@google.com scMain->run(); 35712961Sgabeblack@google.com} 35812961Sgabeblack@google.com 35912961Sgabeblack@google.comvoid 36012961Sgabeblack@google.comScheduler::start(Tick max_tick, bool run_to_time) 36112961Sgabeblack@google.com{ 36212961Sgabeblack@google.com // We should be running from sc_main. Keep track of that Fiber to return 36312961Sgabeblack@google.com // to later. 36412961Sgabeblack@google.com scMain = Fiber::currentFiber(); 36512961Sgabeblack@google.com 36612961Sgabeblack@google.com _started = true; 36713186Sgabeblack@google.com status(StatusOther); 36812987Sgabeblack@google.com runToTime = run_to_time; 36912961Sgabeblack@google.com 37012961Sgabeblack@google.com maxTick = max_tick; 37113140Sgabeblack@google.com lastReadyTick = getCurTick(); 37212961Sgabeblack@google.com 37313067Sgabeblack@google.com if (initDone) { 37413096Sgabeblack@google.com if (!runToTime && starved()) 37513068Sgabeblack@google.com scheduleStarvationEvent(); 37612982Sgabeblack@google.com kernel->status(::sc_core::SC_RUNNING); 37712982Sgabeblack@google.com } 37812961Sgabeblack@google.com 37913069Sgabeblack@google.com schedule(&maxTickEvent, maxTick); 38013069Sgabeblack@google.com 38112961Sgabeblack@google.com // Return to gem5 to let it run events, etc. 38212961Sgabeblack@google.com Fiber::primaryFiber()->run(); 38312961Sgabeblack@google.com 38412961Sgabeblack@google.com if (pauseEvent.scheduled()) 38513088Sgabeblack@google.com deschedule(&pauseEvent); 38612961Sgabeblack@google.com if (stopEvent.scheduled()) 38713088Sgabeblack@google.com deschedule(&stopEvent); 38812961Sgabeblack@google.com if (maxTickEvent.scheduled()) 38913088Sgabeblack@google.com deschedule(&maxTickEvent); 39012987Sgabeblack@google.com if (starvationEvent.scheduled()) 39113088Sgabeblack@google.com deschedule(&starvationEvent); 39213182Sgabeblack@google.com 39313182Sgabeblack@google.com if (_throwToScMain) { 39413182Sgabeblack@google.com const ::sc_core::sc_report *to_throw = _throwToScMain; 39513182Sgabeblack@google.com _throwToScMain = nullptr; 39613182Sgabeblack@google.com throw *to_throw; 39713182Sgabeblack@google.com } 39812961Sgabeblack@google.com} 39912961Sgabeblack@google.com 40012961Sgabeblack@google.comvoid 40113061Sgabeblack@google.comScheduler::oneCycle() 40213061Sgabeblack@google.com{ 40313061Sgabeblack@google.com runOnce = true; 40413095Sgabeblack@google.com scheduleReadyEvent(); 40513061Sgabeblack@google.com start(::MaxTick, false); 40613061Sgabeblack@google.com} 40713061Sgabeblack@google.com 40813061Sgabeblack@google.comvoid 40912961Sgabeblack@google.comScheduler::schedulePause() 41012961Sgabeblack@google.com{ 41112961Sgabeblack@google.com if (pauseEvent.scheduled()) 41212961Sgabeblack@google.com return; 41312961Sgabeblack@google.com 41413088Sgabeblack@google.com schedule(&pauseEvent); 41512961Sgabeblack@google.com} 41612961Sgabeblack@google.com 41712961Sgabeblack@google.comvoid 41813182Sgabeblack@google.comScheduler::throwToScMain(const ::sc_core::sc_report *r) 41913182Sgabeblack@google.com{ 42013182Sgabeblack@google.com if (!r) 42113182Sgabeblack@google.com r = reportifyException(); 42213182Sgabeblack@google.com _throwToScMain = r; 42313188Sgabeblack@google.com status(StatusOther); 42413182Sgabeblack@google.com scMain->run(); 42513182Sgabeblack@google.com} 42613182Sgabeblack@google.com 42713182Sgabeblack@google.comvoid 42812961Sgabeblack@google.comScheduler::scheduleStop(bool finish_delta) 42912961Sgabeblack@google.com{ 43012961Sgabeblack@google.com if (stopEvent.scheduled()) 43112961Sgabeblack@google.com return; 43212961Sgabeblack@google.com 43312961Sgabeblack@google.com if (!finish_delta) { 43413154Sgabeblack@google.com _stopNow = true; 43513076Sgabeblack@google.com // If we're not supposed to finish the delta cycle, flush all 43613076Sgabeblack@google.com // pending activity. 43713076Sgabeblack@google.com clear(); 43812961Sgabeblack@google.com } 43913088Sgabeblack@google.com schedule(&stopEvent); 44012961Sgabeblack@google.com} 44112961Sgabeblack@google.com 44212953Sgabeblack@google.comScheduler scheduler; 44312953Sgabeblack@google.com 44413182Sgabeblack@google.comnamespace { 44513182Sgabeblack@google.com 44613182Sgabeblack@google.comvoid 44713182Sgabeblack@google.comthrowingReportHandler(const ::sc_core::sc_report &r, 44813182Sgabeblack@google.com const ::sc_core::sc_actions &) 44913182Sgabeblack@google.com{ 45013182Sgabeblack@google.com throw r; 45113182Sgabeblack@google.com} 45213182Sgabeblack@google.com 45313182Sgabeblack@google.com} // anonymous namespace 45413182Sgabeblack@google.com 45513182Sgabeblack@google.comconst ::sc_core::sc_report * 45613182Sgabeblack@google.comreportifyException() 45713182Sgabeblack@google.com{ 45813182Sgabeblack@google.com ::sc_core::sc_report_handler_proc old_handler = 45913182Sgabeblack@google.com ::sc_core::sc_report_handler::get_handler(); 46013182Sgabeblack@google.com ::sc_core::sc_report_handler::set_handler(&throwingReportHandler); 46113182Sgabeblack@google.com 46213182Sgabeblack@google.com try { 46313182Sgabeblack@google.com try { 46413182Sgabeblack@google.com // Rethrow the current exception so we can catch it and throw an 46513182Sgabeblack@google.com // sc_report instead if it's not a type we recognize/can handle. 46613182Sgabeblack@google.com throw; 46713182Sgabeblack@google.com } catch (const ::sc_core::sc_report &) { 46813182Sgabeblack@google.com // It's already a sc_report, so nothing to do. 46913182Sgabeblack@google.com throw; 47013182Sgabeblack@google.com } catch (const ::sc_core::sc_unwind_exception &) { 47113182Sgabeblack@google.com panic("Kill/reset exception escaped a Process::run()"); 47213182Sgabeblack@google.com } catch (const std::exception &e) { 47313182Sgabeblack@google.com SC_REPORT_ERROR("uncaught exception", e.what()); 47413182Sgabeblack@google.com } catch (const char *msg) { 47513182Sgabeblack@google.com SC_REPORT_ERROR("uncaught exception", msg); 47613182Sgabeblack@google.com } catch (...) { 47713182Sgabeblack@google.com SC_REPORT_ERROR("uncaught exception", "UNKNOWN EXCEPTION"); 47813182Sgabeblack@google.com } 47913182Sgabeblack@google.com } catch (const ::sc_core::sc_report &r) { 48013182Sgabeblack@google.com ::sc_core::sc_report_handler::set_handler(old_handler); 48113182Sgabeblack@google.com return &r; 48213182Sgabeblack@google.com } 48313182Sgabeblack@google.com panic("No exception thrown in reportifyException."); 48413182Sgabeblack@google.com} 48513182Sgabeblack@google.com 48612953Sgabeblack@google.com} // namespace sc_gem5 487