process.hh revision 13175
112952Sgabeblack@google.com/* 212952Sgabeblack@google.com * Copyright 2018 Google, Inc. 312952Sgabeblack@google.com * 412952Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 512952Sgabeblack@google.com * modification, are permitted provided that the following conditions are 612952Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 712952Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 812952Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 912952Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1012952Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1112952Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1212952Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1312952Sgabeblack@google.com * this software without specific prior written permission. 1412952Sgabeblack@google.com * 1512952Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1612952Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1712952Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1812952Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1912952Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2012952Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2112952Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2212952Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2312952Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2412952Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2512952Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2612952Sgabeblack@google.com * 2712952Sgabeblack@google.com * Authors: Gabe Black 2812952Sgabeblack@google.com */ 2912952Sgabeblack@google.com 3012952Sgabeblack@google.com#ifndef __SYSTEMC_CORE_PROCESS_HH__ 3112952Sgabeblack@google.com#define __SYSTEMC_CORE_PROCESS_HH__ 3212952Sgabeblack@google.com 3312952Sgabeblack@google.com#include <functional> 3412997Sgabeblack@google.com#include <memory> 3512957Sgabeblack@google.com#include <vector> 3612952Sgabeblack@google.com 3712952Sgabeblack@google.com#include "base/fiber.hh" 3812957Sgabeblack@google.com#include "sim/eventq.hh" 3912957Sgabeblack@google.com#include "systemc/core/bindinfo.hh" 4013132Sgabeblack@google.com#include "systemc/core/event.hh" 4112953Sgabeblack@google.com#include "systemc/core/list.hh" 4212952Sgabeblack@google.com#include "systemc/core/object.hh" 4313063Sgabeblack@google.com#include "systemc/core/sched_event.hh" 4412952Sgabeblack@google.com#include "systemc/ext/core/sc_event.hh" 4512991Sgabeblack@google.com#include "systemc/ext/core/sc_export.hh" 4612957Sgabeblack@google.com#include "systemc/ext/core/sc_interface.hh" 4712952Sgabeblack@google.com#include "systemc/ext/core/sc_module.hh" 4812957Sgabeblack@google.com#include "systemc/ext/core/sc_port.hh" 4912952Sgabeblack@google.com#include "systemc/ext/core/sc_process_handle.hh" 5012997Sgabeblack@google.com#include "systemc/ext/utils/sc_report.hh" 5112952Sgabeblack@google.com 5212952Sgabeblack@google.comnamespace sc_gem5 5312952Sgabeblack@google.com{ 5412952Sgabeblack@google.com 5513175Sgabeblack@google.comclass ScHalt 5613175Sgabeblack@google.com{}; 5713175Sgabeblack@google.com 5812957Sgabeblack@google.comclass Sensitivity 5912957Sgabeblack@google.com{ 6012957Sgabeblack@google.com protected: 6112957Sgabeblack@google.com Process *process; 6212957Sgabeblack@google.com 6312957Sgabeblack@google.com public: 6412957Sgabeblack@google.com Sensitivity(Process *p) : process(p) {} 6512957Sgabeblack@google.com virtual ~Sensitivity() {} 6612957Sgabeblack@google.com 6712959Sgabeblack@google.com virtual void notifyWork(Event *e); 6812957Sgabeblack@google.com void notify(Event *e); 6912957Sgabeblack@google.com void notify() { notify(nullptr); } 7012957Sgabeblack@google.com 7112957Sgabeblack@google.com const std::string name(); 7212957Sgabeblack@google.com}; 7312957Sgabeblack@google.com 7412957Sgabeblack@google.comclass SensitivityTimeout : virtual public Sensitivity 7512957Sgabeblack@google.com{ 7612957Sgabeblack@google.com private: 7712962Sgabeblack@google.com void timeout(); 7813063Sgabeblack@google.com ScEvent timeoutEvent; 7912957Sgabeblack@google.com 8012957Sgabeblack@google.com public: 8112957Sgabeblack@google.com SensitivityTimeout(Process *p, ::sc_core::sc_time t); 8212957Sgabeblack@google.com ~SensitivityTimeout(); 8312957Sgabeblack@google.com}; 8412957Sgabeblack@google.com 8512957Sgabeblack@google.comclass SensitivityEvent : virtual public Sensitivity 8612957Sgabeblack@google.com{ 8712957Sgabeblack@google.com private: 8812957Sgabeblack@google.com const ::sc_core::sc_event *event; 8912957Sgabeblack@google.com 9012957Sgabeblack@google.com public: 9112957Sgabeblack@google.com SensitivityEvent(Process *p, const ::sc_core::sc_event *e); 9212957Sgabeblack@google.com ~SensitivityEvent(); 9312957Sgabeblack@google.com}; 9412957Sgabeblack@google.com 9512957Sgabeblack@google.com//XXX This sensitivity can't be reused. To reset it, it has to be deleted and 9612957Sgabeblack@google.com//recreated. That works for dynamic sensitivities, but not for static. 9712957Sgabeblack@google.com//Fortunately processes can't be statically sensitive to sc_event_and_lists. 9812957Sgabeblack@google.comclass SensitivityEventAndList : virtual public Sensitivity 9912957Sgabeblack@google.com{ 10012957Sgabeblack@google.com private: 10112957Sgabeblack@google.com const ::sc_core::sc_event_and_list *list; 10212957Sgabeblack@google.com int count; 10312957Sgabeblack@google.com 10412957Sgabeblack@google.com public: 10512957Sgabeblack@google.com SensitivityEventAndList( 10612957Sgabeblack@google.com Process *p, const ::sc_core::sc_event_and_list *list); 10712957Sgabeblack@google.com ~SensitivityEventAndList(); 10812957Sgabeblack@google.com 10912962Sgabeblack@google.com void notifyWork(Event *e) override; 11012957Sgabeblack@google.com}; 11112957Sgabeblack@google.com 11212957Sgabeblack@google.comclass SensitivityEventOrList : virtual public Sensitivity 11312957Sgabeblack@google.com{ 11412957Sgabeblack@google.com private: 11512957Sgabeblack@google.com const ::sc_core::sc_event_or_list *list; 11612957Sgabeblack@google.com 11712957Sgabeblack@google.com public: 11812957Sgabeblack@google.com SensitivityEventOrList( 11912957Sgabeblack@google.com Process *p, const ::sc_core::sc_event_or_list *list); 12012957Sgabeblack@google.com ~SensitivityEventOrList(); 12112957Sgabeblack@google.com}; 12212957Sgabeblack@google.com 12312957Sgabeblack@google.com// Combined sensitivities. These trigger when any of their parts do. 12412957Sgabeblack@google.com 12512957Sgabeblack@google.comclass SensitivityTimeoutAndEvent : 12612957Sgabeblack@google.com public SensitivityTimeout, public SensitivityEvent 12712957Sgabeblack@google.com{ 12812957Sgabeblack@google.com public: 12912957Sgabeblack@google.com SensitivityTimeoutAndEvent( 13012957Sgabeblack@google.com Process *p, ::sc_core::sc_time t, const ::sc_core::sc_event *e) : 13112957Sgabeblack@google.com Sensitivity(p), SensitivityTimeout(p, t), SensitivityEvent(p, e) 13212957Sgabeblack@google.com {} 13312957Sgabeblack@google.com}; 13412957Sgabeblack@google.com 13512957Sgabeblack@google.comclass SensitivityTimeoutAndEventAndList : 13612957Sgabeblack@google.com public SensitivityTimeout, public SensitivityEventAndList 13712957Sgabeblack@google.com{ 13812957Sgabeblack@google.com public: 13912957Sgabeblack@google.com SensitivityTimeoutAndEventAndList( 14012957Sgabeblack@google.com Process *p, ::sc_core::sc_time t, 14112957Sgabeblack@google.com const ::sc_core::sc_event_and_list *eal) : 14212957Sgabeblack@google.com Sensitivity(p), SensitivityTimeout(p, t), 14312957Sgabeblack@google.com SensitivityEventAndList(p, eal) 14412957Sgabeblack@google.com {} 14513075Sgabeblack@google.com 14613075Sgabeblack@google.com void notifyWork(Event *e) override; 14712957Sgabeblack@google.com}; 14812957Sgabeblack@google.com 14912957Sgabeblack@google.comclass SensitivityTimeoutAndEventOrList : 15012957Sgabeblack@google.com public SensitivityTimeout, public SensitivityEventOrList 15112957Sgabeblack@google.com{ 15212957Sgabeblack@google.com public: 15312957Sgabeblack@google.com SensitivityTimeoutAndEventOrList( 15412957Sgabeblack@google.com Process *p, ::sc_core::sc_time t, 15512957Sgabeblack@google.com const ::sc_core::sc_event_or_list *eol) : 15612957Sgabeblack@google.com Sensitivity(p), SensitivityTimeout(p, t), 15712957Sgabeblack@google.com SensitivityEventOrList(p, eol) 15812957Sgabeblack@google.com {} 15912957Sgabeblack@google.com}; 16012957Sgabeblack@google.com 16112957Sgabeblack@google.comtypedef std::vector<Sensitivity *> Sensitivities; 16212957Sgabeblack@google.com 16312957Sgabeblack@google.com 16412957Sgabeblack@google.com/* 16512957Sgabeblack@google.com * Pending sensitivities. These are records of sensitivities to install later, 16612957Sgabeblack@google.com * once all the information to configure them is available. 16712957Sgabeblack@google.com */ 16812957Sgabeblack@google.com 16912957Sgabeblack@google.comclass PendingSensitivity 17012957Sgabeblack@google.com{ 17112957Sgabeblack@google.com protected: 17212957Sgabeblack@google.com Process *process; 17312957Sgabeblack@google.com 17412957Sgabeblack@google.com public: 17512957Sgabeblack@google.com virtual void finalize(Sensitivities &s) = 0; 17612957Sgabeblack@google.com PendingSensitivity(Process *p) : process(p) {} 17712957Sgabeblack@google.com virtual ~PendingSensitivity() {} 17812957Sgabeblack@google.com}; 17912957Sgabeblack@google.com 18012957Sgabeblack@google.comclass PendingSensitivityEvent : public PendingSensitivity 18112957Sgabeblack@google.com{ 18212957Sgabeblack@google.com private: 18312957Sgabeblack@google.com const sc_core::sc_event *event; 18412957Sgabeblack@google.com 18512957Sgabeblack@google.com public: 18612957Sgabeblack@google.com PendingSensitivityEvent(Process *p, const sc_core::sc_event *e) : 18712957Sgabeblack@google.com PendingSensitivity(p), event(e) {} 18812957Sgabeblack@google.com 18912957Sgabeblack@google.com void 19012957Sgabeblack@google.com finalize(Sensitivities &s) override 19112957Sgabeblack@google.com { 19212957Sgabeblack@google.com s.push_back(new SensitivityEvent(process, event)); 19312957Sgabeblack@google.com } 19412957Sgabeblack@google.com}; 19512957Sgabeblack@google.com 19612957Sgabeblack@google.comclass PendingSensitivityInterface : public PendingSensitivity 19712957Sgabeblack@google.com{ 19812957Sgabeblack@google.com private: 19912957Sgabeblack@google.com const sc_core::sc_interface *interface; 20012957Sgabeblack@google.com 20112957Sgabeblack@google.com public: 20212957Sgabeblack@google.com PendingSensitivityInterface(Process *p, const sc_core::sc_interface *i) : 20312957Sgabeblack@google.com PendingSensitivity(p), interface(i) 20412957Sgabeblack@google.com {} 20512957Sgabeblack@google.com 20612957Sgabeblack@google.com void 20712957Sgabeblack@google.com finalize(Sensitivities &s) override 20812957Sgabeblack@google.com { 20912957Sgabeblack@google.com s.push_back(new SensitivityEvent(process, 21012957Sgabeblack@google.com &interface->default_event())); 21112957Sgabeblack@google.com } 21212957Sgabeblack@google.com}; 21312957Sgabeblack@google.com 21412957Sgabeblack@google.comclass PendingSensitivityPort : public PendingSensitivity 21512957Sgabeblack@google.com{ 21612957Sgabeblack@google.com private: 21712957Sgabeblack@google.com const sc_core::sc_port_base *port; 21812957Sgabeblack@google.com 21912957Sgabeblack@google.com public: 22012957Sgabeblack@google.com PendingSensitivityPort(Process *p, const sc_core::sc_port_base *pb) : 22112957Sgabeblack@google.com PendingSensitivity(p), port(pb) 22212957Sgabeblack@google.com {} 22312957Sgabeblack@google.com 22412957Sgabeblack@google.com void 22512957Sgabeblack@google.com finalize(Sensitivities &s) override 22612957Sgabeblack@google.com { 22712957Sgabeblack@google.com for (int i = 0; i < port->size(); i++) { 22812957Sgabeblack@google.com const ::sc_core::sc_event *e = 22913053Sgabeblack@google.com &port->_gem5Interface(i)->default_event(); 23012957Sgabeblack@google.com s.push_back(new SensitivityEvent(process, e)); 23112957Sgabeblack@google.com } 23212957Sgabeblack@google.com } 23312957Sgabeblack@google.com}; 23412957Sgabeblack@google.com 23512991Sgabeblack@google.comclass PendingSensitivityExport : public PendingSensitivity 23612991Sgabeblack@google.com{ 23712991Sgabeblack@google.com private: 23812991Sgabeblack@google.com const sc_core::sc_export_base *exp; 23912991Sgabeblack@google.com 24012991Sgabeblack@google.com public: 24112991Sgabeblack@google.com PendingSensitivityExport(Process *p, const sc_core::sc_export_base *exp) : 24212991Sgabeblack@google.com PendingSensitivity(p), exp(exp) 24312991Sgabeblack@google.com {} 24412991Sgabeblack@google.com 24512991Sgabeblack@google.com void 24612991Sgabeblack@google.com finalize(Sensitivities &s) override 24712991Sgabeblack@google.com { 24812991Sgabeblack@google.com s.push_back(new SensitivityEvent(process, 24912991Sgabeblack@google.com &exp->get_interface()->default_event())); 25012991Sgabeblack@google.com } 25112991Sgabeblack@google.com}; 25212991Sgabeblack@google.com 25312957Sgabeblack@google.comclass PendingSensitivityFinder : public PendingSensitivity 25412957Sgabeblack@google.com{ 25512957Sgabeblack@google.com private: 25612957Sgabeblack@google.com const sc_core::sc_event_finder *finder; 25712957Sgabeblack@google.com 25812957Sgabeblack@google.com public: 25912957Sgabeblack@google.com PendingSensitivityFinder(Process *p, const sc_core::sc_event_finder *f) : 26012957Sgabeblack@google.com PendingSensitivity(p), finder(f) 26112957Sgabeblack@google.com {} 26212957Sgabeblack@google.com 26312957Sgabeblack@google.com void 26412957Sgabeblack@google.com finalize(Sensitivities &s) override 26512957Sgabeblack@google.com { 26613132Sgabeblack@google.com const ::sc_core::sc_port_base *port = finder->port(); 26713132Sgabeblack@google.com int size = port->size(); 26813132Sgabeblack@google.com for (int i = 0; i < size; i++) { 26913132Sgabeblack@google.com ::sc_core::sc_interface *interface = port->_gem5Interface(i); 27013132Sgabeblack@google.com const ::sc_core::sc_event *event = &finder->find_event(interface); 27113132Sgabeblack@google.com s.push_back(new SensitivityEvent(process, event)); 27213132Sgabeblack@google.com } 27312957Sgabeblack@google.com } 27412957Sgabeblack@google.com}; 27512957Sgabeblack@google.com 27612957Sgabeblack@google.comtypedef std::vector<PendingSensitivity *> PendingSensitivities; 27712957Sgabeblack@google.com 27812957Sgabeblack@google.com 27913087Sgabeblack@google.comclass Process : public ::sc_core::sc_process_b, public ListNode 28012952Sgabeblack@google.com{ 28112952Sgabeblack@google.com public: 28212952Sgabeblack@google.com virtual ::sc_core::sc_curr_proc_kind procKind() const = 0; 28312961Sgabeblack@google.com bool needsStart() const { return _needsStart; } 28413093Sgabeblack@google.com void needsStart(bool ns) { _needsStart = ns; } 28512952Sgabeblack@google.com bool dynamic() const { return _dynamic; } 28612952Sgabeblack@google.com bool isUnwinding() const { return _isUnwinding; } 28712997Sgabeblack@google.com void isUnwinding(bool v) { _isUnwinding = v; } 28812952Sgabeblack@google.com bool terminated() const { return _terminated; } 28912952Sgabeblack@google.com 29012952Sgabeblack@google.com void forEachKid(const std::function<void(Process *)> &work); 29112952Sgabeblack@google.com 29212952Sgabeblack@google.com bool suspended() const { return _suspended; } 29312952Sgabeblack@google.com bool disabled() const { return _disabled; } 29412952Sgabeblack@google.com 29512952Sgabeblack@google.com void suspend(bool inc_kids); 29612952Sgabeblack@google.com void resume(bool inc_kids); 29712952Sgabeblack@google.com void disable(bool inc_kids); 29812952Sgabeblack@google.com void enable(bool inc_kids); 29912952Sgabeblack@google.com 30012952Sgabeblack@google.com void kill(bool inc_kids); 30112952Sgabeblack@google.com void reset(bool inc_kids); 30212952Sgabeblack@google.com virtual void throw_it(ExceptionWrapperBase &exc, bool inc_kids); 30312952Sgabeblack@google.com 30412952Sgabeblack@google.com void injectException(ExceptionWrapperBase &exc); 30512952Sgabeblack@google.com ExceptionWrapperBase *excWrapper; 30612952Sgabeblack@google.com 30712952Sgabeblack@google.com void syncResetOn(bool inc_kids); 30812952Sgabeblack@google.com void syncResetOff(bool inc_kids); 30912952Sgabeblack@google.com 31012952Sgabeblack@google.com void incref() { refCount++; } 31112952Sgabeblack@google.com void decref() { refCount--; } 31212952Sgabeblack@google.com 31312952Sgabeblack@google.com const ::sc_core::sc_event &resetEvent() { return _resetEvent; } 31412952Sgabeblack@google.com const ::sc_core::sc_event &terminatedEvent() { return _terminatedEvent; } 31512952Sgabeblack@google.com 31612953Sgabeblack@google.com // This should only be called before initialization. 31712957Sgabeblack@google.com void dontInitialize(); 31812953Sgabeblack@google.com 31912953Sgabeblack@google.com void setStackSize(size_t size) { stackSize = size; } 32012953Sgabeblack@google.com 32112957Sgabeblack@google.com void finalize(); 32212957Sgabeblack@google.com 32312953Sgabeblack@google.com void run(); 32412953Sgabeblack@google.com 32512957Sgabeblack@google.com void addStatic(PendingSensitivity *); 32612957Sgabeblack@google.com void setDynamic(Sensitivity *); 32712957Sgabeblack@google.com 32812959Sgabeblack@google.com void satisfySensitivity(Sensitivity *); 32912959Sgabeblack@google.com 33012959Sgabeblack@google.com void ready(); 33112959Sgabeblack@google.com 33212953Sgabeblack@google.com virtual Fiber *fiber() { return Fiber::primaryFiber(); } 33312953Sgabeblack@google.com 33412953Sgabeblack@google.com static Process *newest() { return _newest; } 33512953Sgabeblack@google.com 33612997Sgabeblack@google.com void lastReport(::sc_core::sc_report *report); 33712997Sgabeblack@google.com ::sc_core::sc_report *lastReport() const; 33812997Sgabeblack@google.com 33912952Sgabeblack@google.com protected: 34013131Sgabeblack@google.com Process(const char *name, ProcessFuncWrapper *func); 34112953Sgabeblack@google.com 34212953Sgabeblack@google.com static Process *_newest; 34312952Sgabeblack@google.com 34412957Sgabeblack@google.com virtual ~Process() 34512957Sgabeblack@google.com { 34613072Sgabeblack@google.com popListNode(); 34712957Sgabeblack@google.com delete func; 34812957Sgabeblack@google.com for (auto s: staticSensitivities) 34912957Sgabeblack@google.com delete s; 35012957Sgabeblack@google.com } 35112952Sgabeblack@google.com 35212952Sgabeblack@google.com ::sc_core::sc_event _resetEvent; 35312952Sgabeblack@google.com ::sc_core::sc_event _terminatedEvent; 35412952Sgabeblack@google.com 35512952Sgabeblack@google.com ProcessFuncWrapper *func; 35612952Sgabeblack@google.com sc_core::sc_curr_proc_kind _procKind; 35712961Sgabeblack@google.com bool _needsStart; 35812952Sgabeblack@google.com bool _dynamic; 35912952Sgabeblack@google.com bool _isUnwinding; 36012952Sgabeblack@google.com bool _terminated; 36112952Sgabeblack@google.com 36212998Sgabeblack@google.com void terminate(); 36312998Sgabeblack@google.com 36412952Sgabeblack@google.com bool _suspended; 36512959Sgabeblack@google.com bool _suspendedReady; 36612952Sgabeblack@google.com bool _disabled; 36712952Sgabeblack@google.com 36812952Sgabeblack@google.com bool _syncReset; 36912952Sgabeblack@google.com 37012952Sgabeblack@google.com int refCount; 37112952Sgabeblack@google.com 37212953Sgabeblack@google.com size_t stackSize; 37312957Sgabeblack@google.com 37412957Sgabeblack@google.com Sensitivities staticSensitivities; 37512957Sgabeblack@google.com PendingSensitivities pendingStaticSensitivities; 37612957Sgabeblack@google.com 37712957Sgabeblack@google.com Sensitivity *dynamicSensitivity; 37812997Sgabeblack@google.com 37912997Sgabeblack@google.com std::unique_ptr<::sc_core::sc_report> _lastReport; 38012952Sgabeblack@google.com}; 38112952Sgabeblack@google.com 38212957Sgabeblack@google.cominline void 38312959Sgabeblack@google.comSensitivity::notifyWork(Event *e) 38412959Sgabeblack@google.com{ 38512959Sgabeblack@google.com process->satisfySensitivity(this); 38612959Sgabeblack@google.com} 38712959Sgabeblack@google.com 38812959Sgabeblack@google.cominline void 38912957Sgabeblack@google.comSensitivity::notify(Event *e) 39012957Sgabeblack@google.com{ 39112957Sgabeblack@google.com if (!process->disabled()) 39212957Sgabeblack@google.com notifyWork(e); 39312957Sgabeblack@google.com} 39412957Sgabeblack@google.com 39512957Sgabeblack@google.cominline const std::string 39612957Sgabeblack@google.comSensitivity::name() 39712957Sgabeblack@google.com{ 39812957Sgabeblack@google.com return std::string(process->name()) + ".timeout"; 39912957Sgabeblack@google.com} 40012957Sgabeblack@google.com 40112952Sgabeblack@google.com} // namespace sc_gem5 40212952Sgabeblack@google.com 40312952Sgabeblack@google.com#endif //__SYSTEMC_CORE_PROCESS_HH__ 404