process.hh revision 12953
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> 3412952Sgabeblack@google.com 3512952Sgabeblack@google.com#include "base/fiber.hh" 3612953Sgabeblack@google.com#include "systemc/core/list.hh" 3712952Sgabeblack@google.com#include "systemc/core/object.hh" 3812952Sgabeblack@google.com#include "systemc/ext/core/sc_event.hh" 3912952Sgabeblack@google.com#include "systemc/ext/core/sc_module.hh" 4012952Sgabeblack@google.com#include "systemc/ext/core/sc_process_handle.hh" 4112952Sgabeblack@google.com 4212952Sgabeblack@google.comnamespace sc_gem5 4312952Sgabeblack@google.com{ 4412952Sgabeblack@google.com 4512953Sgabeblack@google.comclass Process : public ::sc_core::sc_object, public ListNode 4612952Sgabeblack@google.com{ 4712952Sgabeblack@google.com public: 4812952Sgabeblack@google.com virtual ::sc_core::sc_curr_proc_kind procKind() const = 0; 4912953Sgabeblack@google.com bool running() const { return _running; } 5012952Sgabeblack@google.com bool dynamic() const { return _dynamic; } 5112952Sgabeblack@google.com bool isUnwinding() const { return _isUnwinding; } 5212952Sgabeblack@google.com bool terminated() const { return _terminated; } 5312952Sgabeblack@google.com 5412952Sgabeblack@google.com void forEachKid(const std::function<void(Process *)> &work); 5512952Sgabeblack@google.com 5612952Sgabeblack@google.com bool suspended() const { return _suspended; } 5712952Sgabeblack@google.com bool disabled() const { return _disabled; } 5812952Sgabeblack@google.com 5912952Sgabeblack@google.com void suspend(bool inc_kids); 6012952Sgabeblack@google.com void resume(bool inc_kids); 6112952Sgabeblack@google.com void disable(bool inc_kids); 6212952Sgabeblack@google.com void enable(bool inc_kids); 6312952Sgabeblack@google.com 6412952Sgabeblack@google.com void kill(bool inc_kids); 6512952Sgabeblack@google.com void reset(bool inc_kids); 6612952Sgabeblack@google.com virtual void throw_it(ExceptionWrapperBase &exc, bool inc_kids); 6712952Sgabeblack@google.com 6812952Sgabeblack@google.com void injectException(ExceptionWrapperBase &exc); 6912952Sgabeblack@google.com ExceptionWrapperBase *excWrapper; 7012952Sgabeblack@google.com 7112952Sgabeblack@google.com void syncResetOn(bool inc_kids); 7212952Sgabeblack@google.com void syncResetOff(bool inc_kids); 7312952Sgabeblack@google.com 7412952Sgabeblack@google.com void incref() { refCount++; } 7512952Sgabeblack@google.com void decref() { refCount--; } 7612952Sgabeblack@google.com 7712952Sgabeblack@google.com const ::sc_core::sc_event &resetEvent() { return _resetEvent; } 7812952Sgabeblack@google.com const ::sc_core::sc_event &terminatedEvent() { return _terminatedEvent; } 7912952Sgabeblack@google.com 8012953Sgabeblack@google.com // This should only be called before initialization. 8112953Sgabeblack@google.com void dontInitialize() { popListNode(); } 8212953Sgabeblack@google.com 8312953Sgabeblack@google.com void setStackSize(size_t size) { stackSize = size; } 8412953Sgabeblack@google.com 8512953Sgabeblack@google.com void run(); 8612953Sgabeblack@google.com 8712953Sgabeblack@google.com virtual Fiber *fiber() { return Fiber::primaryFiber(); } 8812953Sgabeblack@google.com 8912953Sgabeblack@google.com static Process *newest() { return _newest; } 9012953Sgabeblack@google.com 9112952Sgabeblack@google.com protected: 9212953Sgabeblack@google.com Process(const char *name, ProcessFuncWrapper *func, bool _dynamic); 9312953Sgabeblack@google.com 9412953Sgabeblack@google.com static Process *_newest; 9512952Sgabeblack@google.com 9612952Sgabeblack@google.com virtual ~Process() { delete func; } 9712952Sgabeblack@google.com 9812952Sgabeblack@google.com ::sc_core::sc_event _resetEvent; 9912952Sgabeblack@google.com ::sc_core::sc_event _terminatedEvent; 10012952Sgabeblack@google.com 10112952Sgabeblack@google.com ProcessFuncWrapper *func; 10212952Sgabeblack@google.com sc_core::sc_curr_proc_kind _procKind; 10312953Sgabeblack@google.com bool _running; 10412952Sgabeblack@google.com bool _dynamic; 10512952Sgabeblack@google.com bool _isUnwinding; 10612952Sgabeblack@google.com bool _terminated; 10712952Sgabeblack@google.com 10812952Sgabeblack@google.com bool _suspended; 10912952Sgabeblack@google.com bool _disabled; 11012952Sgabeblack@google.com 11112952Sgabeblack@google.com bool _syncReset; 11212952Sgabeblack@google.com 11312952Sgabeblack@google.com int refCount; 11412952Sgabeblack@google.com 11512953Sgabeblack@google.com size_t stackSize; 11612952Sgabeblack@google.com}; 11712952Sgabeblack@google.com 11812952Sgabeblack@google.com} // namespace sc_gem5 11912952Sgabeblack@google.com 12012952Sgabeblack@google.com#endif //__SYSTEMC_CORE_PROCESS_HH__ 121