process.cc (13196:4b5ab2c22743) | process.cc (13206:c944ef4abb48) |
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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 --- 26 unchanged lines hidden (view full) --- 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 --- 26 unchanged lines hidden (view full) --- 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 |
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 | |
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{ --- 60 unchanged lines hidden (view full) --- 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{ --- 60 unchanged lines hidden (view full) --- 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 && |
198 dynamic_cast<SensitivityTimeout *>(dynamicSensitivity)) { | 119 timeoutEvent.scheduled()) { |
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} --- 105 unchanged lines hidden (view full) --- 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} --- 105 unchanged lines hidden (view full) --- 233 forEachKid([](Process *p) { p->syncResetOff(true); }); 234 235 _syncReset = false; 236} 237 238void 239Process::finalize() 240{ |
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(); |
326}; 327 328void 329Process::run() 330{ 331 bool reset; 332 do { 333 reset = false; --- 7 unchanged lines hidden (view full) --- 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; --- 7 unchanged lines hidden (view full) --- 258 } catch (...) { 259 throw; 260 } 261 } while (reset); 262 needsStart(true); 263} 264 265void |
349Process::addStatic(PendingSensitivity *s) | 266Process::addStatic(StaticSensitivity *s) |
350{ | 267{ |
351 pendingStaticSensitivities.push_back(s); | 268 staticSensitivities.push_back(s); |
352} 353 354void | 269} 270 271void |
355Process::setDynamic(Sensitivity *s) | 272Process::setDynamic(DynamicSensitivity *s) |
356{ | 273{ |
357 delete dynamicSensitivity; | 274 if (dynamicSensitivity) { 275 dynamicSensitivity->clear(); 276 delete dynamicSensitivity; 277 } |
358 dynamicSensitivity = s; | 278 dynamicSensitivity = s; |
279 if (dynamicSensitivity) 280 dynamicSensitivity->finalize(); |
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359} 360 361void | 281} 282 283void |
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. |
365 if (dynamicSensitivity && dynamicSensitivity != s) | 315 if ((dynamicSensitivity || timeoutEvent.scheduled()) && 316 dynamicSensitivity != s) { |
366 return; | 317 return; |
318 } |
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367 | 319 |
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(); |
369 ready(); 370} 371 372void 373Process::ready() 374{ 375 if (disabled()) 376 return; --- 12 unchanged lines hidden (view full) --- 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; --- 12 unchanged lines hidden (view full) --- 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) : |
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), |
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; |
416 delete dynamicSensitivity; 417 dynamicSensitivity = nullptr; 418 for (auto s: staticSensitivities) | 374 clearDynamic(); 375 cancelTimeout(); 376 for (auto s: staticSensitivities) { 377 s->clear(); |
419 delete s; | 378 delete s; |
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 |