sc_process_handle.cc revision 12953:ddfd5e4643a9
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/core/scheduler.hh" 33#include "systemc/ext/core/sc_process_handle.hh" 34 35namespace sc_core 36{ 37 38const char * 39sc_unwind_exception::what() const throw() 40{ 41 panic("%s for base class called.\n", __PRETTY_FUNCTION__); 42} 43 44bool 45sc_unwind_exception::is_reset() const 46{ 47 panic("%s for base class called.\n", __PRETTY_FUNCTION__); 48} 49 50sc_unwind_exception::sc_unwind_exception() {} 51sc_unwind_exception::sc_unwind_exception(const sc_unwind_exception &) {} 52sc_unwind_exception::~sc_unwind_exception() throw() {} 53 54 55const char * 56sc_process_b::name() 57{ 58 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 59 return ""; 60} 61 62const char * 63sc_process_b::kind() 64{ 65 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 66 return ""; 67} 68 69 70sc_process_b * 71sc_get_curr_process_handle() 72{ 73 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 74 return nullptr; 75} 76 77 78sc_process_handle::sc_process_handle() : _gem5_process(nullptr) {} 79 80sc_process_handle::sc_process_handle(const sc_process_handle &handle) : 81 _gem5_process(handle._gem5_process) 82{ 83 if (_gem5_process) 84 _gem5_process->incref(); 85} 86 87sc_process_handle::sc_process_handle(sc_object *obj) : 88 _gem5_process(dynamic_cast<::sc_gem5::Process *>(obj)) 89{ 90 if (_gem5_process) 91 _gem5_process->incref(); 92} 93 94sc_process_handle::~sc_process_handle() 95{ 96 if (_gem5_process) 97 _gem5_process->decref(); 98} 99 100 101bool 102sc_process_handle::valid() const 103{ 104 return _gem5_process != nullptr; 105} 106 107 108sc_process_handle & 109sc_process_handle::operator = (const sc_process_handle &handle) 110{ 111 if (_gem5_process) 112 _gem5_process->decref(); 113 _gem5_process = handle._gem5_process; 114 if (_gem5_process) 115 _gem5_process->incref(); 116 return *this; 117} 118 119bool 120sc_process_handle::operator == (const sc_process_handle &handle) const 121{ 122 return _gem5_process && handle._gem5_process && 123 (_gem5_process == handle._gem5_process); 124} 125 126bool 127sc_process_handle::operator != (const sc_process_handle &handle) const 128{ 129 return !(handle == *this); 130} 131 132bool 133sc_process_handle::operator < (const sc_process_handle &other) const 134{ 135 return _gem5_process < other._gem5_process; 136} 137 138void 139sc_process_handle::swap(sc_process_handle &handle) 140{ 141 ::sc_gem5::Process *temp = handle._gem5_process; 142 handle._gem5_process = _gem5_process; 143 _gem5_process = temp; 144} 145 146 147const char * 148sc_process_handle::name() const 149{ 150 return _gem5_process ? _gem5_process->name() : ""; 151} 152 153sc_curr_proc_kind 154sc_process_handle::proc_kind() const 155{ 156 return _gem5_process ? _gem5_process->procKind() : SC_NO_PROC_; 157} 158 159const std::vector<sc_object *> & 160sc_process_handle::get_child_objects() const 161{ 162 static const std::vector<sc_object *> empty; 163 return _gem5_process ? _gem5_process->get_child_objects() : empty; 164} 165 166const std::vector<sc_event *> & 167sc_process_handle::get_child_events() const 168{ 169 static const std::vector<sc_event *> empty; 170 return _gem5_process ? _gem5_process->get_child_events() : empty; 171} 172 173sc_object * 174sc_process_handle::get_parent_object() const 175{ 176 return _gem5_process ? _gem5_process->get_parent_object() : nullptr; 177} 178 179sc_object * 180sc_process_handle::get_process_object() const 181{ 182 return _gem5_process; 183} 184 185bool 186sc_process_handle::dynamic() const 187{ 188 return _gem5_process ? _gem5_process->dynamic() : false; 189} 190 191bool 192sc_process_handle::terminated() const 193{ 194 return _gem5_process ? _gem5_process->terminated() : false; 195} 196 197const sc_event & 198sc_process_handle::terminated_event() const 199{ 200 static sc_event non_event; 201 return _gem5_process ? _gem5_process->terminatedEvent() : non_event; 202} 203 204 205void 206sc_process_handle::suspend(sc_descendent_inclusion_info include_descendants) 207{ 208 if (!_gem5_process) 209 return; 210 _gem5_process->suspend(include_descendants == SC_INCLUDE_DESCENDANTS); 211} 212 213void 214sc_process_handle::resume(sc_descendent_inclusion_info include_descendants) 215{ 216 if (!_gem5_process) 217 return; 218 _gem5_process->resume(include_descendants == SC_INCLUDE_DESCENDANTS); 219} 220 221void 222sc_process_handle::disable(sc_descendent_inclusion_info include_descendants) 223{ 224 if (!_gem5_process) 225 return; 226 _gem5_process->disable(include_descendants == SC_INCLUDE_DESCENDANTS); 227} 228 229void 230sc_process_handle::enable(sc_descendent_inclusion_info include_descendants) 231{ 232 if (!_gem5_process) 233 return; 234 _gem5_process->enable(include_descendants == SC_INCLUDE_DESCENDANTS); 235} 236 237void 238sc_process_handle::kill(sc_descendent_inclusion_info include_descendants) 239{ 240 if (!_gem5_process) 241 return; 242 _gem5_process->kill(include_descendants == SC_INCLUDE_DESCENDANTS); 243} 244 245void 246sc_process_handle::reset(sc_descendent_inclusion_info include_descendants) 247{ 248 if (!_gem5_process) 249 return; 250 _gem5_process->reset(include_descendants == SC_INCLUDE_DESCENDANTS); 251} 252 253bool 254sc_process_handle::is_unwinding() 255{ 256 if (!_gem5_process) { 257 //TODO This should generate a systemc style warning if the handle is 258 //invalid. 259 return false; 260 } else { 261 return _gem5_process->isUnwinding(); 262 } 263} 264 265const sc_event & 266sc_process_handle::reset_event() const 267{ 268 static sc_event non_event; 269 return _gem5_process ? _gem5_process->resetEvent() : non_event; 270} 271 272 273void 274sc_process_handle::sync_reset_on( 275 sc_descendent_inclusion_info include_descendants) 276{ 277 if (!_gem5_process) 278 return; 279 _gem5_process->syncResetOn(include_descendants == SC_INCLUDE_DESCENDANTS); 280} 281 282void 283sc_process_handle::sync_reset_off( 284 sc_descendent_inclusion_info include_descendants) 285{ 286 if (!_gem5_process) 287 return; 288 _gem5_process->syncResetOff(include_descendants == SC_INCLUDE_DESCENDANTS); 289} 290 291 292sc_process_handle 293sc_get_current_process_handle() 294{ 295 return sc_process_handle(::sc_gem5::scheduler.current()); 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