sc_process_handle.cc revision 12953
112838Sgabeblack@google.com/* 212838Sgabeblack@google.com * Copyright 2018 Google, Inc. 312838Sgabeblack@google.com * 412838Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 512838Sgabeblack@google.com * modification, are permitted provided that the following conditions are 612838Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 712838Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 812838Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 912838Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1012838Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1112838Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1212838Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1312838Sgabeblack@google.com * this software without specific prior written permission. 1412838Sgabeblack@google.com * 1512838Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1612838Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1712838Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1812838Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1912838Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2012838Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2112838Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2212838Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2312838Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2412838Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2512838Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2612838Sgabeblack@google.com * 2712838Sgabeblack@google.com * Authors: Gabe Black 2812838Sgabeblack@google.com */ 2912838Sgabeblack@google.com 3012838Sgabeblack@google.com#include "base/logging.hh" 3112952Sgabeblack@google.com#include "systemc/core/process.hh" 3212953Sgabeblack@google.com#include "systemc/core/scheduler.hh" 3312838Sgabeblack@google.com#include "systemc/ext/core/sc_process_handle.hh" 3412838Sgabeblack@google.com 3512838Sgabeblack@google.comnamespace sc_core 3612838Sgabeblack@google.com{ 3712838Sgabeblack@google.com 3812838Sgabeblack@google.comconst char * 3912838Sgabeblack@google.comsc_unwind_exception::what() const throw() 4012838Sgabeblack@google.com{ 4112952Sgabeblack@google.com panic("%s for base class called.\n", __PRETTY_FUNCTION__); 4212838Sgabeblack@google.com} 4312838Sgabeblack@google.com 4412838Sgabeblack@google.combool 4512838Sgabeblack@google.comsc_unwind_exception::is_reset() const 4612838Sgabeblack@google.com{ 4712952Sgabeblack@google.com panic("%s for base class called.\n", __PRETTY_FUNCTION__); 4812838Sgabeblack@google.com} 4912838Sgabeblack@google.com 5012952Sgabeblack@google.comsc_unwind_exception::sc_unwind_exception() {} 5112952Sgabeblack@google.comsc_unwind_exception::sc_unwind_exception(const sc_unwind_exception &) {} 5212952Sgabeblack@google.comsc_unwind_exception::~sc_unwind_exception() throw() {} 5312838Sgabeblack@google.com 5412838Sgabeblack@google.com 5512939Sgabeblack@google.comconst char * 5612939Sgabeblack@google.comsc_process_b::name() 5712939Sgabeblack@google.com{ 5812939Sgabeblack@google.com warn("%s not implemented.\n", __PRETTY_FUNCTION__); 5912939Sgabeblack@google.com return ""; 6012939Sgabeblack@google.com} 6112939Sgabeblack@google.com 6212939Sgabeblack@google.comconst char * 6312939Sgabeblack@google.comsc_process_b::kind() 6412939Sgabeblack@google.com{ 6512939Sgabeblack@google.com warn("%s not implemented.\n", __PRETTY_FUNCTION__); 6612939Sgabeblack@google.com return ""; 6712939Sgabeblack@google.com} 6812939Sgabeblack@google.com 6912939Sgabeblack@google.com 7012939Sgabeblack@google.comsc_process_b * 7112939Sgabeblack@google.comsc_get_curr_process_handle() 7212939Sgabeblack@google.com{ 7312939Sgabeblack@google.com warn("%s not implemented.\n", __PRETTY_FUNCTION__); 7412939Sgabeblack@google.com return nullptr; 7512939Sgabeblack@google.com} 7612939Sgabeblack@google.com 7712939Sgabeblack@google.com 7812952Sgabeblack@google.comsc_process_handle::sc_process_handle() : _gem5_process(nullptr) {} 7912952Sgabeblack@google.com 8012952Sgabeblack@google.comsc_process_handle::sc_process_handle(const sc_process_handle &handle) : 8112952Sgabeblack@google.com _gem5_process(handle._gem5_process) 8212838Sgabeblack@google.com{ 8312952Sgabeblack@google.com if (_gem5_process) 8412952Sgabeblack@google.com _gem5_process->incref(); 8512838Sgabeblack@google.com} 8612838Sgabeblack@google.com 8712952Sgabeblack@google.comsc_process_handle::sc_process_handle(sc_object *obj) : 8812952Sgabeblack@google.com _gem5_process(dynamic_cast<::sc_gem5::Process *>(obj)) 8912838Sgabeblack@google.com{ 9012952Sgabeblack@google.com if (_gem5_process) 9112952Sgabeblack@google.com _gem5_process->incref(); 9212838Sgabeblack@google.com} 9312838Sgabeblack@google.com 9412838Sgabeblack@google.comsc_process_handle::~sc_process_handle() 9512838Sgabeblack@google.com{ 9612952Sgabeblack@google.com if (_gem5_process) 9712952Sgabeblack@google.com _gem5_process->decref(); 9812838Sgabeblack@google.com} 9912838Sgabeblack@google.com 10012838Sgabeblack@google.com 10112838Sgabeblack@google.combool 10212838Sgabeblack@google.comsc_process_handle::valid() const 10312838Sgabeblack@google.com{ 10412952Sgabeblack@google.com return _gem5_process != nullptr; 10512838Sgabeblack@google.com} 10612838Sgabeblack@google.com 10712838Sgabeblack@google.com 10812838Sgabeblack@google.comsc_process_handle & 10912952Sgabeblack@google.comsc_process_handle::operator = (const sc_process_handle &handle) 11012838Sgabeblack@google.com{ 11112952Sgabeblack@google.com if (_gem5_process) 11212952Sgabeblack@google.com _gem5_process->decref(); 11312952Sgabeblack@google.com _gem5_process = handle._gem5_process; 11412952Sgabeblack@google.com if (_gem5_process) 11512952Sgabeblack@google.com _gem5_process->incref(); 11612838Sgabeblack@google.com return *this; 11712838Sgabeblack@google.com} 11812838Sgabeblack@google.com 11912838Sgabeblack@google.combool 12012952Sgabeblack@google.comsc_process_handle::operator == (const sc_process_handle &handle) const 12112838Sgabeblack@google.com{ 12212952Sgabeblack@google.com return _gem5_process && handle._gem5_process && 12312952Sgabeblack@google.com (_gem5_process == handle._gem5_process); 12412838Sgabeblack@google.com} 12512838Sgabeblack@google.com 12612838Sgabeblack@google.combool 12712952Sgabeblack@google.comsc_process_handle::operator != (const sc_process_handle &handle) const 12812838Sgabeblack@google.com{ 12912952Sgabeblack@google.com return !(handle == *this); 13012838Sgabeblack@google.com} 13112838Sgabeblack@google.com 13212838Sgabeblack@google.combool 13312952Sgabeblack@google.comsc_process_handle::operator < (const sc_process_handle &other) const 13412838Sgabeblack@google.com{ 13512952Sgabeblack@google.com return _gem5_process < other._gem5_process; 13612838Sgabeblack@google.com} 13712838Sgabeblack@google.com 13812952Sgabeblack@google.comvoid 13912952Sgabeblack@google.comsc_process_handle::swap(sc_process_handle &handle) 14012838Sgabeblack@google.com{ 14112952Sgabeblack@google.com ::sc_gem5::Process *temp = handle._gem5_process; 14212952Sgabeblack@google.com handle._gem5_process = _gem5_process; 14312952Sgabeblack@google.com _gem5_process = temp; 14412838Sgabeblack@google.com} 14512838Sgabeblack@google.com 14612838Sgabeblack@google.com 14712838Sgabeblack@google.comconst char * 14812838Sgabeblack@google.comsc_process_handle::name() const 14912838Sgabeblack@google.com{ 15012952Sgabeblack@google.com return _gem5_process ? _gem5_process->name() : ""; 15112838Sgabeblack@google.com} 15212838Sgabeblack@google.com 15312838Sgabeblack@google.comsc_curr_proc_kind 15412838Sgabeblack@google.comsc_process_handle::proc_kind() const 15512838Sgabeblack@google.com{ 15612952Sgabeblack@google.com return _gem5_process ? _gem5_process->procKind() : SC_NO_PROC_; 15712838Sgabeblack@google.com} 15812838Sgabeblack@google.com 15912838Sgabeblack@google.comconst std::vector<sc_object *> & 16012838Sgabeblack@google.comsc_process_handle::get_child_objects() const 16112838Sgabeblack@google.com{ 16212952Sgabeblack@google.com static const std::vector<sc_object *> empty; 16312952Sgabeblack@google.com return _gem5_process ? _gem5_process->get_child_objects() : empty; 16412838Sgabeblack@google.com} 16512838Sgabeblack@google.com 16612838Sgabeblack@google.comconst std::vector<sc_event *> & 16712838Sgabeblack@google.comsc_process_handle::get_child_events() const 16812838Sgabeblack@google.com{ 16912952Sgabeblack@google.com static const std::vector<sc_event *> empty; 17012952Sgabeblack@google.com return _gem5_process ? _gem5_process->get_child_events() : empty; 17112838Sgabeblack@google.com} 17212838Sgabeblack@google.com 17312838Sgabeblack@google.comsc_object * 17412838Sgabeblack@google.comsc_process_handle::get_parent_object() const 17512838Sgabeblack@google.com{ 17612952Sgabeblack@google.com return _gem5_process ? _gem5_process->get_parent_object() : nullptr; 17712838Sgabeblack@google.com} 17812838Sgabeblack@google.com 17912838Sgabeblack@google.comsc_object * 18012838Sgabeblack@google.comsc_process_handle::get_process_object() const 18112838Sgabeblack@google.com{ 18212952Sgabeblack@google.com return _gem5_process; 18312838Sgabeblack@google.com} 18412838Sgabeblack@google.com 18512838Sgabeblack@google.combool 18612838Sgabeblack@google.comsc_process_handle::dynamic() const 18712838Sgabeblack@google.com{ 18812952Sgabeblack@google.com return _gem5_process ? _gem5_process->dynamic() : false; 18912838Sgabeblack@google.com} 19012838Sgabeblack@google.com 19112838Sgabeblack@google.combool 19212838Sgabeblack@google.comsc_process_handle::terminated() const 19312838Sgabeblack@google.com{ 19412952Sgabeblack@google.com return _gem5_process ? _gem5_process->terminated() : false; 19512838Sgabeblack@google.com} 19612838Sgabeblack@google.com 19712838Sgabeblack@google.comconst sc_event & 19812838Sgabeblack@google.comsc_process_handle::terminated_event() const 19912838Sgabeblack@google.com{ 20012952Sgabeblack@google.com static sc_event non_event; 20112952Sgabeblack@google.com return _gem5_process ? _gem5_process->terminatedEvent() : non_event; 20212838Sgabeblack@google.com} 20312838Sgabeblack@google.com 20412838Sgabeblack@google.com 20512838Sgabeblack@google.comvoid 20612838Sgabeblack@google.comsc_process_handle::suspend(sc_descendent_inclusion_info include_descendants) 20712838Sgabeblack@google.com{ 20812952Sgabeblack@google.com if (!_gem5_process) 20912952Sgabeblack@google.com return; 21012952Sgabeblack@google.com _gem5_process->suspend(include_descendants == SC_INCLUDE_DESCENDANTS); 21112838Sgabeblack@google.com} 21212838Sgabeblack@google.com 21312838Sgabeblack@google.comvoid 21412838Sgabeblack@google.comsc_process_handle::resume(sc_descendent_inclusion_info include_descendants) 21512838Sgabeblack@google.com{ 21612952Sgabeblack@google.com if (!_gem5_process) 21712952Sgabeblack@google.com return; 21812952Sgabeblack@google.com _gem5_process->resume(include_descendants == SC_INCLUDE_DESCENDANTS); 21912838Sgabeblack@google.com} 22012838Sgabeblack@google.com 22112838Sgabeblack@google.comvoid 22212838Sgabeblack@google.comsc_process_handle::disable(sc_descendent_inclusion_info include_descendants) 22312838Sgabeblack@google.com{ 22412952Sgabeblack@google.com if (!_gem5_process) 22512952Sgabeblack@google.com return; 22612952Sgabeblack@google.com _gem5_process->disable(include_descendants == SC_INCLUDE_DESCENDANTS); 22712838Sgabeblack@google.com} 22812838Sgabeblack@google.com 22912838Sgabeblack@google.comvoid 23012838Sgabeblack@google.comsc_process_handle::enable(sc_descendent_inclusion_info include_descendants) 23112838Sgabeblack@google.com{ 23212952Sgabeblack@google.com if (!_gem5_process) 23312952Sgabeblack@google.com return; 23412952Sgabeblack@google.com _gem5_process->enable(include_descendants == SC_INCLUDE_DESCENDANTS); 23512838Sgabeblack@google.com} 23612838Sgabeblack@google.com 23712838Sgabeblack@google.comvoid 23812838Sgabeblack@google.comsc_process_handle::kill(sc_descendent_inclusion_info include_descendants) 23912838Sgabeblack@google.com{ 24012952Sgabeblack@google.com if (!_gem5_process) 24112952Sgabeblack@google.com return; 24212952Sgabeblack@google.com _gem5_process->kill(include_descendants == SC_INCLUDE_DESCENDANTS); 24312838Sgabeblack@google.com} 24412838Sgabeblack@google.com 24512838Sgabeblack@google.comvoid 24612838Sgabeblack@google.comsc_process_handle::reset(sc_descendent_inclusion_info include_descendants) 24712838Sgabeblack@google.com{ 24812952Sgabeblack@google.com if (!_gem5_process) 24912952Sgabeblack@google.com return; 25012952Sgabeblack@google.com _gem5_process->reset(include_descendants == SC_INCLUDE_DESCENDANTS); 25112838Sgabeblack@google.com} 25212838Sgabeblack@google.com 25312838Sgabeblack@google.combool 25412838Sgabeblack@google.comsc_process_handle::is_unwinding() 25512838Sgabeblack@google.com{ 25612952Sgabeblack@google.com if (!_gem5_process) { 25712952Sgabeblack@google.com //TODO This should generate a systemc style warning if the handle is 25812952Sgabeblack@google.com //invalid. 25912952Sgabeblack@google.com return false; 26012952Sgabeblack@google.com } else { 26112952Sgabeblack@google.com return _gem5_process->isUnwinding(); 26212952Sgabeblack@google.com } 26312838Sgabeblack@google.com} 26412838Sgabeblack@google.com 26512838Sgabeblack@google.comconst sc_event & 26612838Sgabeblack@google.comsc_process_handle::reset_event() const 26712838Sgabeblack@google.com{ 26812952Sgabeblack@google.com static sc_event non_event; 26912952Sgabeblack@google.com return _gem5_process ? _gem5_process->resetEvent() : non_event; 27012838Sgabeblack@google.com} 27112838Sgabeblack@google.com 27212838Sgabeblack@google.com 27312838Sgabeblack@google.comvoid 27412838Sgabeblack@google.comsc_process_handle::sync_reset_on( 27512838Sgabeblack@google.com sc_descendent_inclusion_info include_descendants) 27612838Sgabeblack@google.com{ 27712952Sgabeblack@google.com if (!_gem5_process) 27812952Sgabeblack@google.com return; 27912952Sgabeblack@google.com _gem5_process->syncResetOn(include_descendants == SC_INCLUDE_DESCENDANTS); 28012838Sgabeblack@google.com} 28112838Sgabeblack@google.com 28212838Sgabeblack@google.comvoid 28312838Sgabeblack@google.comsc_process_handle::sync_reset_off( 28412838Sgabeblack@google.com sc_descendent_inclusion_info include_descendants) 28512838Sgabeblack@google.com{ 28612952Sgabeblack@google.com if (!_gem5_process) 28712952Sgabeblack@google.com return; 28812952Sgabeblack@google.com _gem5_process->syncResetOff(include_descendants == SC_INCLUDE_DESCENDANTS); 28912838Sgabeblack@google.com} 29012838Sgabeblack@google.com 29112838Sgabeblack@google.com 29212838Sgabeblack@google.comsc_process_handle 29312838Sgabeblack@google.comsc_get_current_process_handle() 29412838Sgabeblack@google.com{ 29512953Sgabeblack@google.com return sc_process_handle(::sc_gem5::scheduler.current()); 29612838Sgabeblack@google.com} 29712838Sgabeblack@google.com 29812838Sgabeblack@google.combool 29912838Sgabeblack@google.comsc_is_unwinding() 30012838Sgabeblack@google.com{ 30112952Sgabeblack@google.com return sc_get_current_process_handle().is_unwinding(); 30212838Sgabeblack@google.com} 30312838Sgabeblack@google.com 30412899Sgabeblack@google.combool sc_allow_process_control_corners; 30512899Sgabeblack@google.com 30612838Sgabeblack@google.com} // namespace sc_core 307