sc_process_handle.cc revision 12952
1/* 2 * Copyright 2018 Google, Inc. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer; 8 * redistributions in binary form must reproduce the above copyright 9 * notice, this list of conditions and the following disclaimer in the 10 * documentation and/or other materials provided with the distribution; 11 * neither the name of the copyright holders nor the names of its 12 * contributors may be used to endorse or promote products derived from 13 * this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * Authors: Gabe Black 28 */ 29 30#include "base/logging.hh" 31#include "systemc/core/process.hh" 32#include "systemc/ext/core/sc_process_handle.hh" 33 34namespace sc_core 35{ 36 37const char * 38sc_unwind_exception::what() const throw() 39{ 40 panic("%s for base class called.\n", __PRETTY_FUNCTION__); 41} 42 43bool 44sc_unwind_exception::is_reset() const 45{ 46 panic("%s for base class called.\n", __PRETTY_FUNCTION__); 47} 48 49sc_unwind_exception::sc_unwind_exception() {} 50sc_unwind_exception::sc_unwind_exception(const sc_unwind_exception &) {} 51sc_unwind_exception::~sc_unwind_exception() throw() {} 52 53 54const char * 55sc_process_b::name() 56{ 57 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 58 return ""; 59} 60 61const char * 62sc_process_b::kind() 63{ 64 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 65 return ""; 66} 67 68 69sc_process_b * 70sc_get_curr_process_handle() 71{ 72 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 73 return nullptr; 74} 75 76 77sc_process_handle::sc_process_handle() : _gem5_process(nullptr) {} 78 79sc_process_handle::sc_process_handle(const sc_process_handle &handle) : 80 _gem5_process(handle._gem5_process) 81{ 82 if (_gem5_process) 83 _gem5_process->incref(); 84} 85 86sc_process_handle::sc_process_handle(sc_object *obj) : 87 _gem5_process(dynamic_cast<::sc_gem5::Process *>(obj)) 88{ 89 if (_gem5_process) 90 _gem5_process->incref(); 91} 92 93sc_process_handle::~sc_process_handle() 94{ 95 if (_gem5_process) 96 _gem5_process->decref(); 97} 98 99 100bool 101sc_process_handle::valid() const 102{ 103 return _gem5_process != nullptr; 104} 105 106 107sc_process_handle & 108sc_process_handle::operator = (const sc_process_handle &handle) 109{ 110 if (_gem5_process) 111 _gem5_process->decref(); 112 _gem5_process = handle._gem5_process; 113 if (_gem5_process) 114 _gem5_process->incref(); 115 return *this; 116} 117 118bool 119sc_process_handle::operator == (const sc_process_handle &handle) const 120{ 121 return _gem5_process && handle._gem5_process && 122 (_gem5_process == handle._gem5_process); 123} 124 125bool 126sc_process_handle::operator != (const sc_process_handle &handle) const 127{ 128 return !(handle == *this); 129} 130 131bool 132sc_process_handle::operator < (const sc_process_handle &other) const 133{ 134 return _gem5_process < other._gem5_process; 135} 136 137void 138sc_process_handle::swap(sc_process_handle &handle) 139{ 140 ::sc_gem5::Process *temp = handle._gem5_process; 141 handle._gem5_process = _gem5_process; 142 _gem5_process = temp; 143} 144 145 146const char * 147sc_process_handle::name() const 148{ 149 return _gem5_process ? _gem5_process->name() : ""; 150} 151 152sc_curr_proc_kind 153sc_process_handle::proc_kind() const 154{ 155 return _gem5_process ? _gem5_process->procKind() : SC_NO_PROC_; 156} 157 158const std::vector<sc_object *> & 159sc_process_handle::get_child_objects() const 160{ 161 static const std::vector<sc_object *> empty; 162 return _gem5_process ? _gem5_process->get_child_objects() : empty; 163} 164 165const std::vector<sc_event *> & 166sc_process_handle::get_child_events() const 167{ 168 static const std::vector<sc_event *> empty; 169 return _gem5_process ? _gem5_process->get_child_events() : empty; 170} 171 172sc_object * 173sc_process_handle::get_parent_object() const 174{ 175 return _gem5_process ? _gem5_process->get_parent_object() : nullptr; 176} 177 178sc_object * 179sc_process_handle::get_process_object() const 180{ 181 return _gem5_process; 182} 183 184bool 185sc_process_handle::dynamic() const 186{ 187 return _gem5_process ? _gem5_process->dynamic() : false; 188} 189 190bool 191sc_process_handle::terminated() const 192{ 193 return _gem5_process ? _gem5_process->terminated() : false; 194} 195 196const sc_event & 197sc_process_handle::terminated_event() const 198{ 199 static sc_event non_event; 200 return _gem5_process ? _gem5_process->terminatedEvent() : non_event; 201} 202 203 204void 205sc_process_handle::suspend(sc_descendent_inclusion_info include_descendants) 206{ 207 if (!_gem5_process) 208 return; 209 _gem5_process->suspend(include_descendants == SC_INCLUDE_DESCENDANTS); 210} 211 212void 213sc_process_handle::resume(sc_descendent_inclusion_info include_descendants) 214{ 215 if (!_gem5_process) 216 return; 217 _gem5_process->resume(include_descendants == SC_INCLUDE_DESCENDANTS); 218} 219 220void 221sc_process_handle::disable(sc_descendent_inclusion_info include_descendants) 222{ 223 if (!_gem5_process) 224 return; 225 _gem5_process->disable(include_descendants == SC_INCLUDE_DESCENDANTS); 226} 227 228void 229sc_process_handle::enable(sc_descendent_inclusion_info include_descendants) 230{ 231 if (!_gem5_process) 232 return; 233 _gem5_process->enable(include_descendants == SC_INCLUDE_DESCENDANTS); 234} 235 236void 237sc_process_handle::kill(sc_descendent_inclusion_info include_descendants) 238{ 239 if (!_gem5_process) 240 return; 241 _gem5_process->kill(include_descendants == SC_INCLUDE_DESCENDANTS); 242} 243 244void 245sc_process_handle::reset(sc_descendent_inclusion_info include_descendants) 246{ 247 if (!_gem5_process) 248 return; 249 _gem5_process->reset(include_descendants == SC_INCLUDE_DESCENDANTS); 250} 251 252bool 253sc_process_handle::is_unwinding() 254{ 255 if (!_gem5_process) { 256 //TODO This should generate a systemc style warning if the handle is 257 //invalid. 258 return false; 259 } else { 260 return _gem5_process->isUnwinding(); 261 } 262} 263 264const sc_event & 265sc_process_handle::reset_event() const 266{ 267 static sc_event non_event; 268 return _gem5_process ? _gem5_process->resetEvent() : non_event; 269} 270 271 272void 273sc_process_handle::sync_reset_on( 274 sc_descendent_inclusion_info include_descendants) 275{ 276 if (!_gem5_process) 277 return; 278 _gem5_process->syncResetOn(include_descendants == SC_INCLUDE_DESCENDANTS); 279} 280 281void 282sc_process_handle::sync_reset_off( 283 sc_descendent_inclusion_info include_descendants) 284{ 285 if (!_gem5_process) 286 return; 287 _gem5_process->syncResetOff(include_descendants == SC_INCLUDE_DESCENDANTS); 288} 289 290 291sc_process_handle 292sc_get_current_process_handle() 293{ 294 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 295 return sc_process_handle(nullptr /* Current process pointer */); 296} 297 298bool 299sc_is_unwinding() 300{ 301 return sc_get_current_process_handle().is_unwinding(); 302} 303 304bool sc_allow_process_control_corners; 305 306} // namespace sc_core 307