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#ifndef __SYSTEMC_CORE_PROCESS_HH__
31#define __SYSTEMC_CORE_PROCESS_HH__
32
33#include <functional>
34#include <memory>
35#include <vector>
36
37#include "base/fiber.hh"
38#include "sim/eventq.hh"
39#include "systemc/core/bindinfo.hh"
40#include "systemc/core/event.hh"
41#include "systemc/core/list.hh"
42#include "systemc/core/object.hh"
43#include "systemc/core/sched_event.hh"
44#include "systemc/ext/core/sc_event.hh"
45#include "systemc/ext/core/sc_export.hh"
46#include "systemc/ext/core/sc_interface.hh"
47#include "systemc/ext/core/sc_module.hh"
48#include "systemc/ext/core/sc_port.hh"
49#include "systemc/ext/core/sc_process_handle.hh"
50#include "systemc/ext/utils/sc_report.hh"
51
52namespace sc_gem5
53{
54
55class Sensitivity
56{
57 protected:
58 Process *process;
59
60 public:
61 Sensitivity(Process *p) : process(p) {}
62 virtual ~Sensitivity() {}
63
64 virtual void notifyWork(Event *e);
65 void notify(Event *e);
66 void notify() { notify(nullptr); }
67
68 const std::string name();
69};
70
71class SensitivityTimeout : virtual public Sensitivity
72{
73 private:
74 void timeout();
75 ScEvent timeoutEvent;
76
77 public:
78 SensitivityTimeout(Process *p, ::sc_core::sc_time t);
79 ~SensitivityTimeout();
80};
81
82class SensitivityEvent : virtual public Sensitivity
83{
84 private:
85 const ::sc_core::sc_event *event;
86
87 public:
88 SensitivityEvent(Process *p, const ::sc_core::sc_event *e);
89 ~SensitivityEvent();
90};
91
92//XXX This sensitivity can't be reused. To reset it, it has to be deleted and
93//recreated. That works for dynamic sensitivities, but not for static.
94//Fortunately processes can't be statically sensitive to sc_event_and_lists.
95class SensitivityEventAndList : virtual public Sensitivity
96{
97 private:
98 const ::sc_core::sc_event_and_list *list;
99 int count;
100
101 public:
102 SensitivityEventAndList(
103 Process *p, const ::sc_core::sc_event_and_list *list);
104 ~SensitivityEventAndList();
105
106 void notifyWork(Event *e) override;
107};
108
109class SensitivityEventOrList : virtual public Sensitivity
110{
111 private:
112 const ::sc_core::sc_event_or_list *list;
113
114 public:
115 SensitivityEventOrList(
116 Process *p, const ::sc_core::sc_event_or_list *list);
117 ~SensitivityEventOrList();
118};
119
120// Combined sensitivities. These trigger when any of their parts do.
121
122class SensitivityTimeoutAndEvent :
123 public SensitivityTimeout, public SensitivityEvent
124{
125 public:
126 SensitivityTimeoutAndEvent(
127 Process *p, ::sc_core::sc_time t, const ::sc_core::sc_event *e) :
128 Sensitivity(p), SensitivityTimeout(p, t), SensitivityEvent(p, e)
129 {}
130};
131
132class SensitivityTimeoutAndEventAndList :
133 public SensitivityTimeout, public SensitivityEventAndList
134{
135 public:
136 SensitivityTimeoutAndEventAndList(
137 Process *p, ::sc_core::sc_time t,
138 const ::sc_core::sc_event_and_list *eal) :
139 Sensitivity(p), SensitivityTimeout(p, t),
140 SensitivityEventAndList(p, eal)
141 {}
142
143 void notifyWork(Event *e) override;
144};
145
146class SensitivityTimeoutAndEventOrList :
147 public SensitivityTimeout, public SensitivityEventOrList
148{
149 public:
150 SensitivityTimeoutAndEventOrList(
151 Process *p, ::sc_core::sc_time t,
152 const ::sc_core::sc_event_or_list *eol) :
153 Sensitivity(p), SensitivityTimeout(p, t),
154 SensitivityEventOrList(p, eol)
155 {}
156};
157
158typedef std::vector<Sensitivity *> Sensitivities;
159
160
161/*
162 * Pending sensitivities. These are records of sensitivities to install later,
163 * once all the information to configure them is available.
164 */
165
166class PendingSensitivity
167{
168 protected:
169 Process *process;
170
171 public:
172 virtual void finalize(Sensitivities &s) = 0;
173 PendingSensitivity(Process *p) : process(p) {}
174 virtual ~PendingSensitivity() {}
175};
176
177class PendingSensitivityEvent : public PendingSensitivity
178{
179 private:
180 const sc_core::sc_event *event;
181
182 public:
183 PendingSensitivityEvent(Process *p, const sc_core::sc_event *e) :
184 PendingSensitivity(p), event(e) {}
185
186 void
187 finalize(Sensitivities &s) override
188 {
189 s.push_back(new SensitivityEvent(process, event));
190 }
191};
192
193class PendingSensitivityInterface : public PendingSensitivity
194{
195 private:
196 const sc_core::sc_interface *interface;
197
198 public:
199 PendingSensitivityInterface(Process *p, const sc_core::sc_interface *i) :
200 PendingSensitivity(p), interface(i)
201 {}
202
203 void
204 finalize(Sensitivities &s) override
205 {
206 s.push_back(new SensitivityEvent(process,
207 &interface->default_event()));
208 }
209};
210
211class PendingSensitivityPort : public PendingSensitivity
212{
213 private:
214 const sc_core::sc_port_base *port;
215
216 public:
217 PendingSensitivityPort(Process *p, const sc_core::sc_port_base *pb) :
218 PendingSensitivity(p), port(pb)
219 {}
220
221 void
222 finalize(Sensitivities &s) override
223 {
224 for (int i = 0; i < port->size(); i++) {
225 const ::sc_core::sc_event *e =
226 &port->_gem5Interface(i)->default_event();
227 s.push_back(new SensitivityEvent(process, e));
228 }
229 }
230};
231
232class PendingSensitivityExport : public PendingSensitivity
233{
234 private:
235 const sc_core::sc_export_base *exp;
236
237 public:
238 PendingSensitivityExport(Process *p, const sc_core::sc_export_base *exp) :
239 PendingSensitivity(p), exp(exp)
240 {}
241
242 void
243 finalize(Sensitivities &s) override
244 {
245 s.push_back(new SensitivityEvent(process,
246 &exp->get_interface()->default_event()));
247 }
248};
249
250class PendingSensitivityFinder : public PendingSensitivity
251{
252 private:
253 const sc_core::sc_event_finder *finder;
254
255 public:
256 PendingSensitivityFinder(Process *p, const sc_core::sc_event_finder *f) :
257 PendingSensitivity(p), finder(f)
258 {}
259
260 void
261 finalize(Sensitivities &s) override
262 {
263 const ::sc_core::sc_port_base *port = finder->port();
264 int size = port->size();
265 for (int i = 0; i < size; i++) {
266 ::sc_core::sc_interface *interface = port->_gem5Interface(i);
267 const ::sc_core::sc_event *event = &finder->find_event(interface);
268 s.push_back(new SensitivityEvent(process, event));
269 }
270 }
271};
272
273typedef std::vector<PendingSensitivity *> PendingSensitivities;
274
275
276class Process : public ::sc_core::sc_process_b, public ListNode
277{
278 public:
279 virtual ::sc_core::sc_curr_proc_kind procKind() const = 0;
280 bool needsStart() const { return _needsStart; }
281 void needsStart(bool ns) { _needsStart = ns; }
282 bool dynamic() const { return _dynamic; }
283 bool isUnwinding() const { return _isUnwinding; }
284 void isUnwinding(bool v) { _isUnwinding = v; }
285 bool terminated() const { return _terminated; }
286
287 void forEachKid(const std::function<void(Process *)> &work);
288
289 bool suspended() const { return _suspended; }
290 bool disabled() const { return _disabled; }
291
292 void suspend(bool inc_kids);
293 void resume(bool inc_kids);
294 void disable(bool inc_kids);
295 void enable(bool inc_kids);
296
297 void kill(bool inc_kids);
298 void reset(bool inc_kids);
299 virtual void throw_it(ExceptionWrapperBase &exc, bool inc_kids);
300
301 void injectException(ExceptionWrapperBase &exc);
302 ExceptionWrapperBase *excWrapper;
303
304 void syncResetOn(bool inc_kids);
305 void syncResetOff(bool inc_kids);
306
307 void incref() { refCount++; }
308 void decref() { refCount--; }
309
310 const ::sc_core::sc_event &resetEvent() { return _resetEvent; }
311 const ::sc_core::sc_event &terminatedEvent() { return _terminatedEvent; }
312
313 // This should only be called before initialization.
314 void dontInitialize();
315
316 void setStackSize(size_t size) { stackSize = size; }
317
318 void finalize();
319
320 void run();
321
322 void addStatic(PendingSensitivity *);
323 void setDynamic(Sensitivity *);
324
325 void satisfySensitivity(Sensitivity *);
326
327 void ready();
328
329 virtual Fiber *fiber() { return Fiber::primaryFiber(); }
330
331 static Process *newest() { return _newest; }
332
333 void lastReport(::sc_core::sc_report *report);
334 ::sc_core::sc_report *lastReport() const;
335
336 protected:
337 Process(const char *name, ProcessFuncWrapper *func);
338
339 static Process *_newest;
340
341 virtual ~Process()
342 {
343 popListNode();
344 delete func;
345 for (auto s: staticSensitivities)
346 delete s;
347 }
348
349 ::sc_core::sc_event _resetEvent;
350 ::sc_core::sc_event _terminatedEvent;
351
352 ProcessFuncWrapper *func;
353 sc_core::sc_curr_proc_kind _procKind;
354 bool _needsStart;
355 bool _dynamic;
356 bool _isUnwinding;
357 bool _terminated;
358
359 void terminate();
360
361 bool _suspended;
362 bool _suspendedReady;
363 bool _disabled;
364
365 bool _syncReset;
366
367 int refCount;
368
369 size_t stackSize;
370
371 Sensitivities staticSensitivities;
372 PendingSensitivities pendingStaticSensitivities;
373
374 Sensitivity *dynamicSensitivity;
375
376 std::unique_ptr<::sc_core::sc_report> _lastReport;
377};
378
379inline void
380Sensitivity::notifyWork(Event *e)
381{
382 process->satisfySensitivity(this);
383}
384
385inline void
386Sensitivity::notify(Event *e)
387{
388 if (!process->disabled())
389 notifyWork(e);
390}
391
392inline const std::string
393Sensitivity::name()
394{
395 return std::string(process->name()) + ".timeout";
396}
397
398} // namespace sc_gem5
399
400#endif //__SYSTEMC_CORE_PROCESS_HH__
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#ifndef __SYSTEMC_CORE_PROCESS_HH__
31#define __SYSTEMC_CORE_PROCESS_HH__
32
33#include <functional>
34#include <memory>
35#include <vector>
36
37#include "base/fiber.hh"
38#include "sim/eventq.hh"
39#include "systemc/core/bindinfo.hh"
40#include "systemc/core/event.hh"
41#include "systemc/core/list.hh"
42#include "systemc/core/object.hh"
43#include "systemc/core/sched_event.hh"
44#include "systemc/ext/core/sc_event.hh"
45#include "systemc/ext/core/sc_export.hh"
46#include "systemc/ext/core/sc_interface.hh"
47#include "systemc/ext/core/sc_module.hh"
48#include "systemc/ext/core/sc_port.hh"
49#include "systemc/ext/core/sc_process_handle.hh"
50#include "systemc/ext/utils/sc_report.hh"
51
52namespace sc_gem5
53{
54
55class Sensitivity
56{
57 protected:
58 Process *process;
59
60 public:
61 Sensitivity(Process *p) : process(p) {}
62 virtual ~Sensitivity() {}
63
64 virtual void notifyWork(Event *e);
65 void notify(Event *e);
66 void notify() { notify(nullptr); }
67
68 const std::string name();
69};
70
71class SensitivityTimeout : virtual public Sensitivity
72{
73 private:
74 void timeout();
75 ScEvent timeoutEvent;
76
77 public:
78 SensitivityTimeout(Process *p, ::sc_core::sc_time t);
79 ~SensitivityTimeout();
80};
81
82class SensitivityEvent : virtual public Sensitivity
83{
84 private:
85 const ::sc_core::sc_event *event;
86
87 public:
88 SensitivityEvent(Process *p, const ::sc_core::sc_event *e);
89 ~SensitivityEvent();
90};
91
92//XXX This sensitivity can't be reused. To reset it, it has to be deleted and
93//recreated. That works for dynamic sensitivities, but not for static.
94//Fortunately processes can't be statically sensitive to sc_event_and_lists.
95class SensitivityEventAndList : virtual public Sensitivity
96{
97 private:
98 const ::sc_core::sc_event_and_list *list;
99 int count;
100
101 public:
102 SensitivityEventAndList(
103 Process *p, const ::sc_core::sc_event_and_list *list);
104 ~SensitivityEventAndList();
105
106 void notifyWork(Event *e) override;
107};
108
109class SensitivityEventOrList : virtual public Sensitivity
110{
111 private:
112 const ::sc_core::sc_event_or_list *list;
113
114 public:
115 SensitivityEventOrList(
116 Process *p, const ::sc_core::sc_event_or_list *list);
117 ~SensitivityEventOrList();
118};
119
120// Combined sensitivities. These trigger when any of their parts do.
121
122class SensitivityTimeoutAndEvent :
123 public SensitivityTimeout, public SensitivityEvent
124{
125 public:
126 SensitivityTimeoutAndEvent(
127 Process *p, ::sc_core::sc_time t, const ::sc_core::sc_event *e) :
128 Sensitivity(p), SensitivityTimeout(p, t), SensitivityEvent(p, e)
129 {}
130};
131
132class SensitivityTimeoutAndEventAndList :
133 public SensitivityTimeout, public SensitivityEventAndList
134{
135 public:
136 SensitivityTimeoutAndEventAndList(
137 Process *p, ::sc_core::sc_time t,
138 const ::sc_core::sc_event_and_list *eal) :
139 Sensitivity(p), SensitivityTimeout(p, t),
140 SensitivityEventAndList(p, eal)
141 {}
142
143 void notifyWork(Event *e) override;
144};
145
146class SensitivityTimeoutAndEventOrList :
147 public SensitivityTimeout, public SensitivityEventOrList
148{
149 public:
150 SensitivityTimeoutAndEventOrList(
151 Process *p, ::sc_core::sc_time t,
152 const ::sc_core::sc_event_or_list *eol) :
153 Sensitivity(p), SensitivityTimeout(p, t),
154 SensitivityEventOrList(p, eol)
155 {}
156};
157
158typedef std::vector<Sensitivity *> Sensitivities;
159
160
161/*
162 * Pending sensitivities. These are records of sensitivities to install later,
163 * once all the information to configure them is available.
164 */
165
166class PendingSensitivity
167{
168 protected:
169 Process *process;
170
171 public:
172 virtual void finalize(Sensitivities &s) = 0;
173 PendingSensitivity(Process *p) : process(p) {}
174 virtual ~PendingSensitivity() {}
175};
176
177class PendingSensitivityEvent : public PendingSensitivity
178{
179 private:
180 const sc_core::sc_event *event;
181
182 public:
183 PendingSensitivityEvent(Process *p, const sc_core::sc_event *e) :
184 PendingSensitivity(p), event(e) {}
185
186 void
187 finalize(Sensitivities &s) override
188 {
189 s.push_back(new SensitivityEvent(process, event));
190 }
191};
192
193class PendingSensitivityInterface : public PendingSensitivity
194{
195 private:
196 const sc_core::sc_interface *interface;
197
198 public:
199 PendingSensitivityInterface(Process *p, const sc_core::sc_interface *i) :
200 PendingSensitivity(p), interface(i)
201 {}
202
203 void
204 finalize(Sensitivities &s) override
205 {
206 s.push_back(new SensitivityEvent(process,
207 &interface->default_event()));
208 }
209};
210
211class PendingSensitivityPort : public PendingSensitivity
212{
213 private:
214 const sc_core::sc_port_base *port;
215
216 public:
217 PendingSensitivityPort(Process *p, const sc_core::sc_port_base *pb) :
218 PendingSensitivity(p), port(pb)
219 {}
220
221 void
222 finalize(Sensitivities &s) override
223 {
224 for (int i = 0; i < port->size(); i++) {
225 const ::sc_core::sc_event *e =
226 &port->_gem5Interface(i)->default_event();
227 s.push_back(new SensitivityEvent(process, e));
228 }
229 }
230};
231
232class PendingSensitivityExport : public PendingSensitivity
233{
234 private:
235 const sc_core::sc_export_base *exp;
236
237 public:
238 PendingSensitivityExport(Process *p, const sc_core::sc_export_base *exp) :
239 PendingSensitivity(p), exp(exp)
240 {}
241
242 void
243 finalize(Sensitivities &s) override
244 {
245 s.push_back(new SensitivityEvent(process,
246 &exp->get_interface()->default_event()));
247 }
248};
249
250class PendingSensitivityFinder : public PendingSensitivity
251{
252 private:
253 const sc_core::sc_event_finder *finder;
254
255 public:
256 PendingSensitivityFinder(Process *p, const sc_core::sc_event_finder *f) :
257 PendingSensitivity(p), finder(f)
258 {}
259
260 void
261 finalize(Sensitivities &s) override
262 {
263 const ::sc_core::sc_port_base *port = finder->port();
264 int size = port->size();
265 for (int i = 0; i < size; i++) {
266 ::sc_core::sc_interface *interface = port->_gem5Interface(i);
267 const ::sc_core::sc_event *event = &finder->find_event(interface);
268 s.push_back(new SensitivityEvent(process, event));
269 }
270 }
271};
272
273typedef std::vector<PendingSensitivity *> PendingSensitivities;
274
275
276class Process : public ::sc_core::sc_process_b, public ListNode
277{
278 public:
279 virtual ::sc_core::sc_curr_proc_kind procKind() const = 0;
280 bool needsStart() const { return _needsStart; }
281 void needsStart(bool ns) { _needsStart = ns; }
282 bool dynamic() const { return _dynamic; }
283 bool isUnwinding() const { return _isUnwinding; }
284 void isUnwinding(bool v) { _isUnwinding = v; }
285 bool terminated() const { return _terminated; }
286
287 void forEachKid(const std::function<void(Process *)> &work);
288
289 bool suspended() const { return _suspended; }
290 bool disabled() const { return _disabled; }
291
292 void suspend(bool inc_kids);
293 void resume(bool inc_kids);
294 void disable(bool inc_kids);
295 void enable(bool inc_kids);
296
297 void kill(bool inc_kids);
298 void reset(bool inc_kids);
299 virtual void throw_it(ExceptionWrapperBase &exc, bool inc_kids);
300
301 void injectException(ExceptionWrapperBase &exc);
302 ExceptionWrapperBase *excWrapper;
303
304 void syncResetOn(bool inc_kids);
305 void syncResetOff(bool inc_kids);
306
307 void incref() { refCount++; }
308 void decref() { refCount--; }
309
310 const ::sc_core::sc_event &resetEvent() { return _resetEvent; }
311 const ::sc_core::sc_event &terminatedEvent() { return _terminatedEvent; }
312
313 // This should only be called before initialization.
314 void dontInitialize();
315
316 void setStackSize(size_t size) { stackSize = size; }
317
318 void finalize();
319
320 void run();
321
322 void addStatic(PendingSensitivity *);
323 void setDynamic(Sensitivity *);
324
325 void satisfySensitivity(Sensitivity *);
326
327 void ready();
328
329 virtual Fiber *fiber() { return Fiber::primaryFiber(); }
330
331 static Process *newest() { return _newest; }
332
333 void lastReport(::sc_core::sc_report *report);
334 ::sc_core::sc_report *lastReport() const;
335
336 protected:
337 Process(const char *name, ProcessFuncWrapper *func);
338
339 static Process *_newest;
340
341 virtual ~Process()
342 {
343 popListNode();
344 delete func;
345 for (auto s: staticSensitivities)
346 delete s;
347 }
348
349 ::sc_core::sc_event _resetEvent;
350 ::sc_core::sc_event _terminatedEvent;
351
352 ProcessFuncWrapper *func;
353 sc_core::sc_curr_proc_kind _procKind;
354 bool _needsStart;
355 bool _dynamic;
356 bool _isUnwinding;
357 bool _terminated;
358
359 void terminate();
360
361 bool _suspended;
362 bool _suspendedReady;
363 bool _disabled;
364
365 bool _syncReset;
366
367 int refCount;
368
369 size_t stackSize;
370
371 Sensitivities staticSensitivities;
372 PendingSensitivities pendingStaticSensitivities;
373
374 Sensitivity *dynamicSensitivity;
375
376 std::unique_ptr<::sc_core::sc_report> _lastReport;
377};
378
379inline void
380Sensitivity::notifyWork(Event *e)
381{
382 process->satisfySensitivity(this);
383}
384
385inline void
386Sensitivity::notify(Event *e)
387{
388 if (!process->disabled())
389 notifyWork(e);
390}
391
392inline const std::string
393Sensitivity::name()
394{
395 return std::string(process->name()) + ".timeout";
396}
397
398} // namespace sc_gem5
399
400#endif //__SYSTEMC_CORE_PROCESS_HH__