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 "systemc/core/process.hh" 31 32#include "base/logging.hh" 33#include "systemc/core/event.hh" 34#include "systemc/core/scheduler.hh" 35#include "systemc/ext/core/sc_join.hh" 36#include "systemc/ext/core/sc_main.hh" 37#include "systemc/ext/core/sc_process_handle.hh" 38#include "systemc/ext/utils/sc_report_handler.hh" 39 40namespace sc_gem5 41{ 42
| 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 "systemc/core/process.hh" 31 32#include "base/logging.hh" 33#include "systemc/core/event.hh" 34#include "systemc/core/scheduler.hh" 35#include "systemc/ext/core/sc_join.hh" 36#include "systemc/ext/core/sc_main.hh" 37#include "systemc/ext/core/sc_process_handle.hh" 38#include "systemc/ext/utils/sc_report_handler.hh" 39 40namespace sc_gem5 41{ 42
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43SensitivityTimeout::SensitivityTimeout(Process *p, ::sc_core::sc_time t) : 44 Sensitivity(p), timeoutEvent([this]() { this->timeout(); }) 45{ 46 scheduler.schedule(&timeoutEvent, t); 47} 48 49SensitivityTimeout::~SensitivityTimeout() 50{ 51 if (timeoutEvent.scheduled()) 52 scheduler.deschedule(&timeoutEvent); 53} 54 55void 56SensitivityTimeout::timeout() 57{ 58 notify(); 59} 60 61SensitivityEvent::SensitivityEvent( 62 Process *p, const ::sc_core::sc_event *e) : Sensitivity(p), event(e) 63{ 64 Event::getFromScEvent(event)->addSensitivity(this); 65} 66 67SensitivityEvent::~SensitivityEvent() 68{ 69 Event::getFromScEvent(event)->delSensitivity(this); 70} 71 72SensitivityEventAndList::SensitivityEventAndList( 73 Process *p, const ::sc_core::sc_event_and_list *list) : 74 Sensitivity(p), list(list), count(0) 75{ 76 for (auto e: list->events) 77 Event::getFromScEvent(e)->addSensitivity(this); 78} 79 80SensitivityEventAndList::~SensitivityEventAndList() 81{ 82 for (auto e: list->events) 83 Event::getFromScEvent(e)->delSensitivity(this); 84} 85 86void 87SensitivityEventAndList::notifyWork(Event *e) 88{ 89 e->delSensitivity(this); 90 count++; 91 if (count == list->events.size()) 92 satisfy(); 93} 94 95SensitivityEventOrList::SensitivityEventOrList( 96 Process *p, const ::sc_core::sc_event_or_list *list) : 97 Sensitivity(p), list(list) 98{ 99 for (auto e: list->events) 100 Event::getFromScEvent(e)->addSensitivity(this); 101} 102 103SensitivityEventOrList::~SensitivityEventOrList() 104{ 105 for (auto e: list->events) 106 Event::getFromScEvent(e)->delSensitivity(this); 107} 108 109void 110SensitivityTimeoutAndEventAndList::notifyWork(Event *e) 111{ 112 if (e) { 113 // An event went off which must be part of the sc_event_and_list. 114 SensitivityEventAndList::notifyWork(e); 115 } else { 116 // There's no inciting event, so this must be a timeout. 117 satisfy(true); 118 } 119} 120 121
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122class UnwindExceptionReset : public ::sc_core::sc_unwind_exception 123{ 124 public: 125 UnwindExceptionReset() { _isReset = true; } 126}; 127 128class UnwindExceptionKill : public ::sc_core::sc_unwind_exception 129{ 130 public: 131 UnwindExceptionKill() {} 132}; 133 134template <typename T> 135struct BuiltinExceptionWrapper : public ExceptionWrapperBase 136{ 137 public: 138 T t; 139 void throw_it() override { throw t; } 140}; 141 142BuiltinExceptionWrapper<UnwindExceptionReset> resetException; 143BuiltinExceptionWrapper<UnwindExceptionKill> killException; 144 145 146void 147Process::forEachKid(const std::function<void(Process *)> &work) 148{ 149 for (auto &kid: get_child_objects()) { 150 Process *p_kid = dynamic_cast<Process *>(kid); 151 if (p_kid) 152 work(p_kid); 153 } 154} 155 156void 157Process::suspend(bool inc_kids) 158{ 159 if (inc_kids) 160 forEachKid([](Process *p) { p->suspend(true); }); 161 162 if (!_suspended) { 163 _suspended = true; 164 _suspendedReady = scheduler.suspend(this); 165 166 if (procKind() != ::sc_core::SC_METHOD_PROC_ && 167 scheduler.current() == this) { 168 // This isn't in the spec, but Accellera says that a thread that 169 // self suspends should be marked ready immediately when it's 170 // resumed. 171 _suspendedReady = true; 172 scheduler.yield(); 173 } 174 } 175} 176 177void 178Process::resume(bool inc_kids) 179{ 180 if (inc_kids) 181 forEachKid([](Process *p) { p->resume(true); }); 182 183 if (_suspended) { 184 _suspended = false; 185 if (_suspendedReady) 186 scheduler.resume(this); 187 _suspendedReady = false; 188 } 189} 190 191void 192Process::disable(bool inc_kids) 193{ 194 if (inc_kids) 195 forEachKid([](Process *p) { p->disable(true); }); 196 197 if (!::sc_core::sc_allow_process_control_corners &&
| 43class UnwindExceptionReset : public ::sc_core::sc_unwind_exception 44{ 45 public: 46 UnwindExceptionReset() { _isReset = true; } 47}; 48 49class UnwindExceptionKill : public ::sc_core::sc_unwind_exception 50{ 51 public: 52 UnwindExceptionKill() {} 53}; 54 55template <typename T> 56struct BuiltinExceptionWrapper : public ExceptionWrapperBase 57{ 58 public: 59 T t; 60 void throw_it() override { throw t; } 61}; 62 63BuiltinExceptionWrapper<UnwindExceptionReset> resetException; 64BuiltinExceptionWrapper<UnwindExceptionKill> killException; 65 66 67void 68Process::forEachKid(const std::function<void(Process *)> &work) 69{ 70 for (auto &kid: get_child_objects()) { 71 Process *p_kid = dynamic_cast<Process *>(kid); 72 if (p_kid) 73 work(p_kid); 74 } 75} 76 77void 78Process::suspend(bool inc_kids) 79{ 80 if (inc_kids) 81 forEachKid([](Process *p) { p->suspend(true); }); 82 83 if (!_suspended) { 84 _suspended = true; 85 _suspendedReady = scheduler.suspend(this); 86 87 if (procKind() != ::sc_core::SC_METHOD_PROC_ && 88 scheduler.current() == this) { 89 // This isn't in the spec, but Accellera says that a thread that 90 // self suspends should be marked ready immediately when it's 91 // resumed. 92 _suspendedReady = true; 93 scheduler.yield(); 94 } 95 } 96} 97 98void 99Process::resume(bool inc_kids) 100{ 101 if (inc_kids) 102 forEachKid([](Process *p) { p->resume(true); }); 103 104 if (_suspended) { 105 _suspended = false; 106 if (_suspendedReady) 107 scheduler.resume(this); 108 _suspendedReady = false; 109 } 110} 111 112void 113Process::disable(bool inc_kids) 114{ 115 if (inc_kids) 116 forEachKid([](Process *p) { p->disable(true); }); 117 118 if (!::sc_core::sc_allow_process_control_corners &&
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198 dynamic_cast<SensitivityTimeout *>(dynamicSensitivity)) {
| 119 timeoutEvent.scheduled()) {
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199 std::string message("attempt to disable a thread with timeout wait: "); 200 message += name(); 201 SC_REPORT_ERROR("Undefined process control interaction", 202 message.c_str()); 203 } 204 205 _disabled = true; 206} 207 208void 209Process::enable(bool inc_kids) 210{ 211 212 if (inc_kids) 213 forEachKid([](Process *p) { p->enable(true); }); 214 215 _disabled = false; 216} 217 218void 219Process::kill(bool inc_kids) 220{ 221 if (::sc_core::sc_get_status() != ::sc_core::SC_RUNNING) { 222 SC_REPORT_ERROR( 223 "(E572) a process may not be killed before it is initialized", 224 name()); 225 } 226 227 // Propogate the kill to our children no matter what happens to us. 228 if (inc_kids) 229 forEachKid([](Process *p) { p->kill(true); }); 230 231 // If we're in the middle of unwinding, ignore the kill request. 232 if (_isUnwinding) 233 return; 234 235 // Update our state. 236 terminate(); 237 _isUnwinding = true; 238 239 // Make sure this process isn't marked ready 240 popListNode(); 241 242 // Inject the kill exception into this process if it's started. 243 if (!_needsStart) 244 injectException(killException); 245} 246 247void 248Process::reset(bool inc_kids) 249{ 250 if (::sc_core::sc_get_status() != ::sc_core::SC_RUNNING) { 251 SC_REPORT_ERROR( 252 "(E573) a process may not be asynchronously reset while" 253 "the simulation is not running", name()); 254 } 255 256 // Propogate the reset to our children no matter what happens to us. 257 if (inc_kids) 258 forEachKid([](Process *p) { p->reset(true); }); 259 260 // If we're in the middle of unwinding, ignore the reset request. 261 if (_isUnwinding) 262 return; 263 264 265 if (_needsStart) { 266 scheduler.runNow(this); 267 } else { 268 _isUnwinding = true; 269 injectException(resetException); 270 } 271 272 _resetEvent.notify(); 273} 274 275void 276Process::throw_it(ExceptionWrapperBase &exc, bool inc_kids) 277{ 278 if (::sc_core::sc_get_status() != ::sc_core::SC_RUNNING) { 279 SC_REPORT_ERROR( 280 "(E574) throw_it not allowed unless simulation is running ", 281 name()); 282 } 283 284 if (inc_kids) 285 forEachKid([&exc](Process *p) { p->throw_it(exc, true); }); 286 287 // Only inject an exception into threads that have started. 288 if (!_needsStart) 289 injectException(exc); 290} 291 292void 293Process::injectException(ExceptionWrapperBase &exc) 294{ 295 excWrapper = &exc; 296 scheduler.runNow(this); 297}; 298 299void 300Process::syncResetOn(bool inc_kids) 301{ 302 if (inc_kids) 303 forEachKid([](Process *p) { p->syncResetOn(true); }); 304 305 _syncReset = true; 306} 307 308void 309Process::syncResetOff(bool inc_kids) 310{ 311 if (inc_kids) 312 forEachKid([](Process *p) { p->syncResetOff(true); }); 313 314 _syncReset = false; 315} 316 317void 318Process::finalize() 319{
| 120 std::string message("attempt to disable a thread with timeout wait: "); 121 message += name(); 122 SC_REPORT_ERROR("Undefined process control interaction", 123 message.c_str()); 124 } 125 126 _disabled = true; 127} 128 129void 130Process::enable(bool inc_kids) 131{ 132 133 if (inc_kids) 134 forEachKid([](Process *p) { p->enable(true); }); 135 136 _disabled = false; 137} 138 139void 140Process::kill(bool inc_kids) 141{ 142 if (::sc_core::sc_get_status() != ::sc_core::SC_RUNNING) { 143 SC_REPORT_ERROR( 144 "(E572) a process may not be killed before it is initialized", 145 name()); 146 } 147 148 // Propogate the kill to our children no matter what happens to us. 149 if (inc_kids) 150 forEachKid([](Process *p) { p->kill(true); }); 151 152 // If we're in the middle of unwinding, ignore the kill request. 153 if (_isUnwinding) 154 return; 155 156 // Update our state. 157 terminate(); 158 _isUnwinding = true; 159 160 // Make sure this process isn't marked ready 161 popListNode(); 162 163 // Inject the kill exception into this process if it's started. 164 if (!_needsStart) 165 injectException(killException); 166} 167 168void 169Process::reset(bool inc_kids) 170{ 171 if (::sc_core::sc_get_status() != ::sc_core::SC_RUNNING) { 172 SC_REPORT_ERROR( 173 "(E573) a process may not be asynchronously reset while" 174 "the simulation is not running", name()); 175 } 176 177 // Propogate the reset to our children no matter what happens to us. 178 if (inc_kids) 179 forEachKid([](Process *p) { p->reset(true); }); 180 181 // If we're in the middle of unwinding, ignore the reset request. 182 if (_isUnwinding) 183 return; 184 185 186 if (_needsStart) { 187 scheduler.runNow(this); 188 } else { 189 _isUnwinding = true; 190 injectException(resetException); 191 } 192 193 _resetEvent.notify(); 194} 195 196void 197Process::throw_it(ExceptionWrapperBase &exc, bool inc_kids) 198{ 199 if (::sc_core::sc_get_status() != ::sc_core::SC_RUNNING) { 200 SC_REPORT_ERROR( 201 "(E574) throw_it not allowed unless simulation is running ", 202 name()); 203 } 204 205 if (inc_kids) 206 forEachKid([&exc](Process *p) { p->throw_it(exc, true); }); 207 208 // Only inject an exception into threads that have started. 209 if (!_needsStart) 210 injectException(exc); 211} 212 213void 214Process::injectException(ExceptionWrapperBase &exc) 215{ 216 excWrapper = &exc; 217 scheduler.runNow(this); 218}; 219 220void 221Process::syncResetOn(bool inc_kids) 222{ 223 if (inc_kids) 224 forEachKid([](Process *p) { p->syncResetOn(true); }); 225 226 _syncReset = true; 227} 228 229void 230Process::syncResetOff(bool inc_kids) 231{ 232 if (inc_kids) 233 forEachKid([](Process *p) { p->syncResetOff(true); }); 234 235 _syncReset = false; 236} 237 238void 239Process::finalize() 240{
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320 for (auto &s: pendingStaticSensitivities) { 321 s->finalize(staticSensitivities); 322 delete s; 323 s = nullptr; 324 } 325 pendingStaticSensitivities.clear();
| 241 for (auto s: staticSensitivities) 242 s->finalize();
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326}; 327 328void 329Process::run() 330{ 331 bool reset; 332 do { 333 reset = false; 334 try { 335 func->call(); 336 } catch(ScHalt) { 337 std::cout << "Terminating process " << name() << std::endl; 338 } catch(const ::sc_core::sc_unwind_exception &exc) { 339 reset = exc.is_reset(); 340 _isUnwinding = false; 341 } catch (...) { 342 throw; 343 } 344 } while (reset); 345 needsStart(true); 346} 347 348void
| 243}; 244 245void 246Process::run() 247{ 248 bool reset; 249 do { 250 reset = false; 251 try { 252 func->call(); 253 } catch(ScHalt) { 254 std::cout << "Terminating process " << name() << std::endl; 255 } catch(const ::sc_core::sc_unwind_exception &exc) { 256 reset = exc.is_reset(); 257 _isUnwinding = false; 258 } catch (...) { 259 throw; 260 } 261 } while (reset); 262 needsStart(true); 263} 264 265void
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349Process::addStatic(PendingSensitivity *s)
| 266Process::addStatic(StaticSensitivity *s)
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350{
| 267{
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351 pendingStaticSensitivities.push_back(s);
| 268 staticSensitivities.push_back(s);
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352} 353 354void
| 269} 270 271void
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355Process::setDynamic(Sensitivity *s)
| 272Process::setDynamic(DynamicSensitivity *s)
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356{
| 273{
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357 delete dynamicSensitivity;
| 274 if (dynamicSensitivity) { 275 dynamicSensitivity->clear(); 276 delete dynamicSensitivity; 277 }
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358 dynamicSensitivity = s;
| 278 dynamicSensitivity = s;
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| 279 if (dynamicSensitivity) 280 dynamicSensitivity->finalize();
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359} 360 361void
| 281} 282 283void
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| 284Process::cancelTimeout() 285{ 286 if (timeoutEvent.scheduled()) 287 scheduler.deschedule(&timeoutEvent); 288} 289 290void 291Process::setTimeout(::sc_core::sc_time t) 292{ 293 cancelTimeout(); 294 scheduler.schedule(&timeoutEvent, t); 295} 296 297void 298Process::timeout() 299{ 300 // A process is considered timed_out only if it was also waiting for an 301 // event but got a timeout instead. 302 _timedOut = (dynamicSensitivity != nullptr); 303 304 setDynamic(nullptr); 305 if (disabled()) 306 return; 307 308 ready(); 309} 310 311void
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362Process::satisfySensitivity(Sensitivity *s) 363{ 364 // If there's a dynamic sensitivity and this wasn't it, ignore.
| 312Process::satisfySensitivity(Sensitivity *s) 313{ 314 // If there's a dynamic sensitivity and this wasn't it, ignore.
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365 if (dynamicSensitivity && dynamicSensitivity != s)
| 315 if ((dynamicSensitivity || timeoutEvent.scheduled()) && 316 dynamicSensitivity != s) {
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366 return;
| 317 return;
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| 318 }
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367
| 319
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368 setDynamic(nullptr);
| 320 _timedOut = false; 321 // This sensitivity should already be cleared by this point, or the event 322 // which triggered it will take care of it. 323 delete dynamicSensitivity; 324 dynamicSensitivity = nullptr; 325 cancelTimeout();
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369 ready(); 370} 371 372void 373Process::ready() 374{ 375 if (disabled()) 376 return; 377 if (suspended()) 378 _suspendedReady = true; 379 else 380 scheduler.ready(this); 381} 382 383void 384Process::lastReport(::sc_core::sc_report *report) 385{ 386 if (report) { 387 _lastReport = std::unique_ptr<::sc_core::sc_report>( 388 new ::sc_core::sc_report(*report)); 389 } else { 390 _lastReport = nullptr; 391 } 392} 393 394::sc_core::sc_report *Process::lastReport() const { return _lastReport.get(); } 395 396Process::Process(const char *name, ProcessFuncWrapper *func, bool internal) :
| 326 ready(); 327} 328 329void 330Process::ready() 331{ 332 if (disabled()) 333 return; 334 if (suspended()) 335 _suspendedReady = true; 336 else 337 scheduler.ready(this); 338} 339 340void 341Process::lastReport(::sc_core::sc_report *report) 342{ 343 if (report) { 344 _lastReport = std::unique_ptr<::sc_core::sc_report>( 345 new ::sc_core::sc_report(*report)); 346 } else { 347 _lastReport = nullptr; 348 } 349} 350 351::sc_core::sc_report *Process::lastReport() const { return _lastReport.get(); } 352 353Process::Process(const char *name, ProcessFuncWrapper *func, bool internal) :
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397 ::sc_core::sc_process_b(name), excWrapper(nullptr), func(func), 398 _internal(internal), _timedOut(false), _dontInitialize(false),
| 354 ::sc_core::sc_process_b(name), excWrapper(nullptr), 355 timeoutEvent([this]() { this->timeout(); }), 356 func(func), _internal(internal), _timedOut(false), _dontInitialize(false),
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399 _needsStart(true), _isUnwinding(false), _terminated(false), 400 _suspended(false), _disabled(false), _syncReset(false), refCount(0), 401 stackSize(::Fiber::DefaultStackSize), dynamicSensitivity(nullptr) 402{ 403 _dynamic = 404 (::sc_core::sc_get_status() > 405 ::sc_core::SC_BEFORE_END_OF_ELABORATION); 406 _newest = this; 407} 408 409void 410Process::terminate() 411{ 412 _terminated = true; 413 _suspendedReady = false; 414 _suspended = false; 415 _syncReset = false;
| 357 _needsStart(true), _isUnwinding(false), _terminated(false), 358 _suspended(false), _disabled(false), _syncReset(false), refCount(0), 359 stackSize(::Fiber::DefaultStackSize), dynamicSensitivity(nullptr) 360{ 361 _dynamic = 362 (::sc_core::sc_get_status() > 363 ::sc_core::SC_BEFORE_END_OF_ELABORATION); 364 _newest = this; 365} 366 367void 368Process::terminate() 369{ 370 _terminated = true; 371 _suspendedReady = false; 372 _suspended = false; 373 _syncReset = false;
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416 delete dynamicSensitivity; 417 dynamicSensitivity = nullptr; 418 for (auto s: staticSensitivities)
| 374 clearDynamic(); 375 cancelTimeout(); 376 for (auto s: staticSensitivities) { 377 s->clear();
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419 delete s;
| 378 delete s;
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| 379 }
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420 staticSensitivities.clear(); 421 422 _terminatedEvent.notify(); 423 424 for (auto jw: joinWaiters) 425 jw->signal(); 426 joinWaiters.clear(); 427} 428 429Process *Process::_newest; 430 431void 432throw_it_wrapper(Process *p, ExceptionWrapperBase &exc, bool inc_kids) 433{ 434 p->throw_it(exc, inc_kids); 435} 436 437} // namespace sc_gem5
| 380 staticSensitivities.clear(); 381 382 _terminatedEvent.notify(); 383 384 for (auto jw: joinWaiters) 385 jw->signal(); 386 joinWaiters.clear(); 387} 388 389Process *Process::_newest; 390 391void 392throw_it_wrapper(Process *p, ExceptionWrapperBase &exc, bool inc_kids) 393{ 394 p->throw_it(exc, inc_kids); 395} 396 397} // namespace sc_gem5
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