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/port.hh"
35#include "systemc/core/scheduler.hh"
| 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/port.hh"
35#include "systemc/core/scheduler.hh"
|
| 36#include "systemc/ext/core/messages.hh"
|
36#include "systemc/ext/core/sc_join.hh"
37#include "systemc/ext/core/sc_main.hh"
38#include "systemc/ext/core/sc_process_handle.hh"
39#include "systemc/ext/utils/sc_report_handler.hh"
40
41namespace sc_gem5
42{
43
44class UnwindExceptionReset : public ::sc_core::sc_unwind_exception
45{
46 public:
47 UnwindExceptionReset() { _isReset = true; }
48};
49
50class UnwindExceptionKill : public ::sc_core::sc_unwind_exception
51{
52 public:
53 UnwindExceptionKill() {}
54};
55
56template <typename T>
57struct BuiltinExceptionWrapper : public ExceptionWrapperBase
58{
59 public:
60 T t;
61 void throw_it() override { throw t; }
62};
63
64BuiltinExceptionWrapper<UnwindExceptionReset> resetException;
65BuiltinExceptionWrapper<UnwindExceptionKill> killException;
66
67
68void
69Process::forEachKid(const std::function<void(Process *)> &work)
70{
71 for (auto &kid: get_child_objects()) {
72 Process *p_kid = dynamic_cast<Process *>(kid);
73 if (p_kid)
74 work(p_kid);
75 }
76}
77
78void
79Process::suspend(bool inc_kids)
80{
81 if (inc_kids)
82 forEachKid([](Process *p) { p->suspend(true); });
83
84 if (!_suspended) {
85 _suspended = true;
86 _suspendedReady = scheduler.suspend(this);
87
88 if (procKind() != ::sc_core::SC_METHOD_PROC_ &&
89 scheduler.current() == this) {
90 // This isn't in the spec, but Accellera says that a thread that
91 // self suspends should be marked ready immediately when it's
92 // resumed.
93 _suspendedReady = true;
94 scheduler.yield();
95 }
96 }
97}
98
99void
100Process::resume(bool inc_kids)
101{
102 if (inc_kids)
103 forEachKid([](Process *p) { p->resume(true); });
104
105 if (_suspended) {
106 _suspended = false;
107 if (_suspendedReady)
108 scheduler.resume(this);
109 _suspendedReady = false;
110 }
111}
112
113void
114Process::disable(bool inc_kids)
115{
116 if (inc_kids)
117 forEachKid([](Process *p) { p->disable(true); });
118
119 if (!::sc_core::sc_allow_process_control_corners &&
120 timeoutEvent.scheduled()) {
121 std::string message("attempt to disable a thread with timeout wait: ");
122 message += name();
| 37#include "systemc/ext/core/sc_join.hh"
38#include "systemc/ext/core/sc_main.hh"
39#include "systemc/ext/core/sc_process_handle.hh"
40#include "systemc/ext/utils/sc_report_handler.hh"
41
42namespace sc_gem5
43{
44
45class UnwindExceptionReset : public ::sc_core::sc_unwind_exception
46{
47 public:
48 UnwindExceptionReset() { _isReset = true; }
49};
50
51class UnwindExceptionKill : public ::sc_core::sc_unwind_exception
52{
53 public:
54 UnwindExceptionKill() {}
55};
56
57template <typename T>
58struct BuiltinExceptionWrapper : public ExceptionWrapperBase
59{
60 public:
61 T t;
62 void throw_it() override { throw t; }
63};
64
65BuiltinExceptionWrapper<UnwindExceptionReset> resetException;
66BuiltinExceptionWrapper<UnwindExceptionKill> killException;
67
68
69void
70Process::forEachKid(const std::function<void(Process *)> &work)
71{
72 for (auto &kid: get_child_objects()) {
73 Process *p_kid = dynamic_cast<Process *>(kid);
74 if (p_kid)
75 work(p_kid);
76 }
77}
78
79void
80Process::suspend(bool inc_kids)
81{
82 if (inc_kids)
83 forEachKid([](Process *p) { p->suspend(true); });
84
85 if (!_suspended) {
86 _suspended = true;
87 _suspendedReady = scheduler.suspend(this);
88
89 if (procKind() != ::sc_core::SC_METHOD_PROC_ &&
90 scheduler.current() == this) {
91 // This isn't in the spec, but Accellera says that a thread that
92 // self suspends should be marked ready immediately when it's
93 // resumed.
94 _suspendedReady = true;
95 scheduler.yield();
96 }
97 }
98}
99
100void
101Process::resume(bool inc_kids)
102{
103 if (inc_kids)
104 forEachKid([](Process *p) { p->resume(true); });
105
106 if (_suspended) {
107 _suspended = false;
108 if (_suspendedReady)
109 scheduler.resume(this);
110 _suspendedReady = false;
111 }
112}
113
114void
115Process::disable(bool inc_kids)
116{
117 if (inc_kids)
118 forEachKid([](Process *p) { p->disable(true); });
119
120 if (!::sc_core::sc_allow_process_control_corners &&
121 timeoutEvent.scheduled()) {
122 std::string message("attempt to disable a thread with timeout wait: ");
123 message += name();
|
123 SC_REPORT_ERROR("Undefined process control interaction",
| 124 SC_REPORT_ERROR(sc_core::SC_ID_PROCESS_CONTROL_CORNER_CASE_,
|
124 message.c_str());
125 }
126
127 _disabled = true;
128}
129
130void
131Process::enable(bool inc_kids)
132{
133
134 if (inc_kids)
135 forEachKid([](Process *p) { p->enable(true); });
136
137 _disabled = false;
138}
139
140void
141Process::kill(bool inc_kids)
142{
143 if (::sc_core::sc_get_status() != ::sc_core::SC_RUNNING) {
| 125 message.c_str());
126 }
127
128 _disabled = true;
129}
130
131void
132Process::enable(bool inc_kids)
133{
134
135 if (inc_kids)
136 forEachKid([](Process *p) { p->enable(true); });
137
138 _disabled = false;
139}
140
141void
142Process::kill(bool inc_kids)
143{
144 if (::sc_core::sc_get_status() != ::sc_core::SC_RUNNING) {
|
144 SC_REPORT_ERROR(
145 "(E572) a process may not be killed before it is initialized",
| 145 SC_REPORT_ERROR(sc_core::SC_ID_KILL_PROCESS_WHILE_UNITIALIZED_,
|
146 name());
147 }
148
149 // Propogate the kill to our children no matter what happens to us.
150 if (inc_kids)
151 forEachKid([](Process *p) { p->kill(true); });
152
153 // If we're in the middle of unwinding, ignore the kill request.
154 if (_isUnwinding)
155 return;
156
157 // Update our state.
158 terminate();
159 _isUnwinding = true;
160
161 // Make sure this process isn't marked ready
162 popListNode();
163
164 // Inject the kill exception into this process if it's started.
165 if (!_needsStart)
166 injectException(killException);
167}
168
169void
170Process::reset(bool inc_kids)
171{
172 if (::sc_core::sc_get_status() != ::sc_core::SC_RUNNING) {
| 146 name());
147 }
148
149 // Propogate the kill to our children no matter what happens to us.
150 if (inc_kids)
151 forEachKid([](Process *p) { p->kill(true); });
152
153 // If we're in the middle of unwinding, ignore the kill request.
154 if (_isUnwinding)
155 return;
156
157 // Update our state.
158 terminate();
159 _isUnwinding = true;
160
161 // Make sure this process isn't marked ready
162 popListNode();
163
164 // Inject the kill exception into this process if it's started.
165 if (!_needsStart)
166 injectException(killException);
167}
168
169void
170Process::reset(bool inc_kids)
171{
172 if (::sc_core::sc_get_status() != ::sc_core::SC_RUNNING) {
|
173 SC_REPORT_ERROR(
174 "(E573) a process may not be asynchronously reset while"
175 "the simulation is not running", name());
| 173 SC_REPORT_ERROR(sc_core::SC_ID_RESET_PROCESS_WHILE_NOT_RUNNING_,
174 name());
|
176 }
177
178 // Propogate the reset to our children no matter what happens to us.
179 if (inc_kids)
180 forEachKid([](Process *p) { p->reset(true); });
181
182 // If we're in the middle of unwinding, ignore the reset request.
183 if (_isUnwinding)
184 return;
185
186 // Clear suspended ready since we're about to run regardless.
187 _suspendedReady = false;
188
189 _resetEvent.notify();
190
191 if (_needsStart) {
192 scheduler.runNow(this);
193 } else {
194 _isUnwinding = true;
195 injectException(resetException);
196 }
197}
198
199void
200Process::throw_it(ExceptionWrapperBase &exc, bool inc_kids)
201{
| 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 // Clear suspended ready since we're about to run regardless.
186 _suspendedReady = false;
187
188 _resetEvent.notify();
189
190 if (_needsStart) {
191 scheduler.runNow(this);
192 } else {
193 _isUnwinding = true;
194 injectException(resetException);
195 }
196}
197
198void
199Process::throw_it(ExceptionWrapperBase &exc, bool inc_kids)
200{
|
202 if (::sc_core::sc_get_status() != ::sc_core::SC_RUNNING) {
203 SC_REPORT_ERROR(
204 "(E574) throw_it not allowed unless simulation is running ",
205 name());
206 }
| 201 if (::sc_core::sc_get_status() != ::sc_core::SC_RUNNING)
202 SC_REPORT_ERROR(sc_core::SC_ID_THROW_IT_WHILE_NOT_RUNNING_, name());
|
207
208 if (inc_kids)
209 forEachKid([&exc](Process *p) { p->throw_it(exc, true); });
210
211 if (_needsStart || _terminated ||
212 procKind() == ::sc_core::SC_METHOD_PROC_) {
| 203
204 if (inc_kids)
205 forEachKid([&exc](Process *p) { p->throw_it(exc, true); });
206
207 if (_needsStart || _terminated ||
208 procKind() == ::sc_core::SC_METHOD_PROC_) {
|
213 SC_REPORT_WARNING("(W556) throw_it on method/non-running process "
214 "is being ignored ", name());
| 209 SC_REPORT_WARNING(sc_core::SC_ID_THROW_IT_IGNORED_, name());
|
215 return;
216 }
217
218 injectException(exc);
219}
220
221void
222Process::injectException(ExceptionWrapperBase &exc)
223{
224 excWrapper = &exc;
225 scheduler.runNow(this);
226};
227
228void
229Process::syncResetOn(bool inc_kids)
230{
231 if (inc_kids)
232 forEachKid([](Process *p) { p->syncResetOn(true); });
233
234 _syncReset = true;
235}
236
237void
238Process::syncResetOff(bool inc_kids)
239{
240 if (inc_kids)
241 forEachKid([](Process *p) { p->syncResetOff(true); });
242
243 _syncReset = false;
244}
245
246void
247Process::signalReset(bool set, bool sync)
248{
249 if (set) {
250 waitCount(0);
251 if (sync) {
252 syncResetCount++;
253 } else {
254 asyncResetCount++;
255 cancelTimeout();
256 clearDynamic();
257 scheduler.runNext(this);
258 }
259 } else {
260 if (sync)
261 syncResetCount--;
262 else
263 asyncResetCount--;
264 }
265}
266
267void
268Process::run()
269{
270 bool reset;
271 do {
272 reset = false;
273 try {
274 func->call();
275 } catch(ScHalt) {
276 std::cout << "Terminating process " << name() << std::endl;
277 } catch(const ::sc_core::sc_unwind_exception &exc) {
278 reset = exc.is_reset();
279 _isUnwinding = false;
280 } catch (...) {
281 throw;
282 }
283 } while (reset);
284 needsStart(true);
285}
286
287void
288Process::addStatic(StaticSensitivity *s)
289{
290 staticSensitivities.push_back(s);
291}
292
293void
294Process::setDynamic(DynamicSensitivity *s)
295{
296 if (dynamicSensitivity) {
297 dynamicSensitivity->clear();
298 delete dynamicSensitivity;
299 }
300 dynamicSensitivity = s;
301}
302
303void
304Process::addReset(Reset *reset)
305{
306 resets.push_back(reset);
307}
308
309void
310Process::cancelTimeout()
311{
312 if (timeoutEvent.scheduled())
313 scheduler.deschedule(&timeoutEvent);
314}
315
316void
317Process::setTimeout(::sc_core::sc_time t)
318{
319 cancelTimeout();
320 scheduler.schedule(&timeoutEvent, t);
321}
322
323void
324Process::timeout()
325{
326 // A process is considered timed_out only if it was also waiting for an
327 // event but got a timeout instead.
328 _timedOut = (dynamicSensitivity != nullptr);
329
330 setDynamic(nullptr);
331 if (disabled())
332 return;
333
334 ready();
335}
336
337void
338Process::satisfySensitivity(Sensitivity *s)
339{
340 if (_waitCount) {
341 _waitCount--;
342 return;
343 }
344
345 // If there's a dynamic sensitivity and this wasn't it, ignore.
346 if ((dynamicSensitivity || timeoutEvent.scheduled()) &&
347 dynamicSensitivity != s) {
348 return;
349 }
350
351 _timedOut = false;
352 // This sensitivity should already be cleared by this point, or the event
353 // which triggered it will take care of it.
354 delete dynamicSensitivity;
355 dynamicSensitivity = nullptr;
356 cancelTimeout();
357 ready();
358}
359
360void
361Process::ready()
362{
363 if (disabled())
364 return;
365 if (suspended())
366 _suspendedReady = true;
367 else
368 scheduler.ready(this);
369}
370
371void
372Process::lastReport(::sc_core::sc_report *report)
373{
374 if (report) {
375 _lastReport = std::unique_ptr<::sc_core::sc_report>(
376 new ::sc_core::sc_report(*report));
377 } else {
378 _lastReport = nullptr;
379 }
380}
381
382::sc_core::sc_report *Process::lastReport() const { return _lastReport.get(); }
383
384Process::Process(const char *name, ProcessFuncWrapper *func, bool internal) :
385 ::sc_core::sc_process_b(name), excWrapper(nullptr),
386 timeoutEvent([this]() { this->timeout(); }),
387 func(func), _internal(internal), _timedOut(false), _dontInitialize(false),
388 _needsStart(true), _isUnwinding(false), _terminated(false),
389 _suspended(false), _disabled(false), _syncReset(false), syncResetCount(0),
390 asyncResetCount(0), _waitCount(0), refCount(0),
391 stackSize(::Fiber::DefaultStackSize), dynamicSensitivity(nullptr)
392{
393 _dynamic =
394 (::sc_core::sc_get_status() >
395 ::sc_core::SC_BEFORE_END_OF_ELABORATION);
396 _newest = this;
397}
398
399void
400Process::terminate()
401{
402 _terminated = true;
403 _suspendedReady = false;
404 _suspended = false;
405 _syncReset = false;
406 clearDynamic();
407 cancelTimeout();
408 for (auto s: staticSensitivities) {
409 s->clear();
410 delete s;
411 }
412 staticSensitivities.clear();
413
414 _terminatedEvent.notify();
415
416 for (auto jw: joinWaiters)
417 jw->signal();
418 joinWaiters.clear();
419}
420
421Process *Process::_newest;
422
423void
424throw_it_wrapper(Process *p, ExceptionWrapperBase &exc, bool inc_kids)
425{
426 p->throw_it(exc, inc_kids);
427}
428
429void
430newReset(const sc_core::sc_port_base *pb, Process *p, bool s, bool v)
431{
432 Port *port = Port::fromPort(pb);
433 port->addReset(new Reset(p, s, v));
434}
435
436void
437newReset(const sc_core::sc_signal_in_if<bool> *sig, Process *p, bool s, bool v)
438{
439 Reset *reset = new Reset(p, s, v);
440 if (!reset->install(sig))
441 delete reset;
442}
443
444} // namespace sc_gem5
| 210 return;
211 }
212
213 injectException(exc);
214}
215
216void
217Process::injectException(ExceptionWrapperBase &exc)
218{
219 excWrapper = &exc;
220 scheduler.runNow(this);
221};
222
223void
224Process::syncResetOn(bool inc_kids)
225{
226 if (inc_kids)
227 forEachKid([](Process *p) { p->syncResetOn(true); });
228
229 _syncReset = true;
230}
231
232void
233Process::syncResetOff(bool inc_kids)
234{
235 if (inc_kids)
236 forEachKid([](Process *p) { p->syncResetOff(true); });
237
238 _syncReset = false;
239}
240
241void
242Process::signalReset(bool set, bool sync)
243{
244 if (set) {
245 waitCount(0);
246 if (sync) {
247 syncResetCount++;
248 } else {
249 asyncResetCount++;
250 cancelTimeout();
251 clearDynamic();
252 scheduler.runNext(this);
253 }
254 } else {
255 if (sync)
256 syncResetCount--;
257 else
258 asyncResetCount--;
259 }
260}
261
262void
263Process::run()
264{
265 bool reset;
266 do {
267 reset = false;
268 try {
269 func->call();
270 } catch(ScHalt) {
271 std::cout << "Terminating process " << name() << std::endl;
272 } catch(const ::sc_core::sc_unwind_exception &exc) {
273 reset = exc.is_reset();
274 _isUnwinding = false;
275 } catch (...) {
276 throw;
277 }
278 } while (reset);
279 needsStart(true);
280}
281
282void
283Process::addStatic(StaticSensitivity *s)
284{
285 staticSensitivities.push_back(s);
286}
287
288void
289Process::setDynamic(DynamicSensitivity *s)
290{
291 if (dynamicSensitivity) {
292 dynamicSensitivity->clear();
293 delete dynamicSensitivity;
294 }
295 dynamicSensitivity = s;
296}
297
298void
299Process::addReset(Reset *reset)
300{
301 resets.push_back(reset);
302}
303
304void
305Process::cancelTimeout()
306{
307 if (timeoutEvent.scheduled())
308 scheduler.deschedule(&timeoutEvent);
309}
310
311void
312Process::setTimeout(::sc_core::sc_time t)
313{
314 cancelTimeout();
315 scheduler.schedule(&timeoutEvent, t);
316}
317
318void
319Process::timeout()
320{
321 // A process is considered timed_out only if it was also waiting for an
322 // event but got a timeout instead.
323 _timedOut = (dynamicSensitivity != nullptr);
324
325 setDynamic(nullptr);
326 if (disabled())
327 return;
328
329 ready();
330}
331
332void
333Process::satisfySensitivity(Sensitivity *s)
334{
335 if (_waitCount) {
336 _waitCount--;
337 return;
338 }
339
340 // If there's a dynamic sensitivity and this wasn't it, ignore.
341 if ((dynamicSensitivity || timeoutEvent.scheduled()) &&
342 dynamicSensitivity != s) {
343 return;
344 }
345
346 _timedOut = false;
347 // This sensitivity should already be cleared by this point, or the event
348 // which triggered it will take care of it.
349 delete dynamicSensitivity;
350 dynamicSensitivity = nullptr;
351 cancelTimeout();
352 ready();
353}
354
355void
356Process::ready()
357{
358 if (disabled())
359 return;
360 if (suspended())
361 _suspendedReady = true;
362 else
363 scheduler.ready(this);
364}
365
366void
367Process::lastReport(::sc_core::sc_report *report)
368{
369 if (report) {
370 _lastReport = std::unique_ptr<::sc_core::sc_report>(
371 new ::sc_core::sc_report(*report));
372 } else {
373 _lastReport = nullptr;
374 }
375}
376
377::sc_core::sc_report *Process::lastReport() const { return _lastReport.get(); }
378
379Process::Process(const char *name, ProcessFuncWrapper *func, bool internal) :
380 ::sc_core::sc_process_b(name), excWrapper(nullptr),
381 timeoutEvent([this]() { this->timeout(); }),
382 func(func), _internal(internal), _timedOut(false), _dontInitialize(false),
383 _needsStart(true), _isUnwinding(false), _terminated(false),
384 _suspended(false), _disabled(false), _syncReset(false), syncResetCount(0),
385 asyncResetCount(0), _waitCount(0), refCount(0),
386 stackSize(::Fiber::DefaultStackSize), dynamicSensitivity(nullptr)
387{
388 _dynamic =
389 (::sc_core::sc_get_status() >
390 ::sc_core::SC_BEFORE_END_OF_ELABORATION);
391 _newest = this;
392}
393
394void
395Process::terminate()
396{
397 _terminated = true;
398 _suspendedReady = false;
399 _suspended = false;
400 _syncReset = false;
401 clearDynamic();
402 cancelTimeout();
403 for (auto s: staticSensitivities) {
404 s->clear();
405 delete s;
406 }
407 staticSensitivities.clear();
408
409 _terminatedEvent.notify();
410
411 for (auto jw: joinWaiters)
412 jw->signal();
413 joinWaiters.clear();
414}
415
416Process *Process::_newest;
417
418void
419throw_it_wrapper(Process *p, ExceptionWrapperBase &exc, bool inc_kids)
420{
421 p->throw_it(exc, inc_kids);
422}
423
424void
425newReset(const sc_core::sc_port_base *pb, Process *p, bool s, bool v)
426{
427 Port *port = Port::fromPort(pb);
428 port->addReset(new Reset(p, s, v));
429}
430
431void
432newReset(const sc_core::sc_signal_in_if<bool> *sig, Process *p, bool s, bool v)
433{
434 Reset *reset = new Reset(p, s, v);
435 if (!reset->install(sig))
436 delete reset;
437}
438
439} // namespace sc_gem5
|