sc_event.cc revision 13303:045f002c325c 
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/event.hh"
32#include "systemc/ext/core/sc_event.hh"
33#include "systemc/ext/core/sc_module.hh"
34
35namespace sc_core
36{
37
38
39/*
40 * sc_event_and_list
41 */
42
43sc_event_and_list::sc_event_and_list() : autoDelete(false), busy(0) {}
44
45sc_event_and_list::sc_event_and_list(const sc_event_and_list &eal) :
46    events(eal.events), autoDelete(false), busy(0)
47{}
48
49sc_event_and_list::sc_event_and_list(const sc_event &e) : sc_event_and_list()
50{
51    insert(e);
52}
53
54sc_event_and_list::sc_event_and_list(bool auto_delete) :
55    autoDelete(auto_delete), busy(0)
56{}
57
58sc_event_and_list::~sc_event_and_list() {}
59
60sc_event_and_list &
61sc_event_and_list::operator = (const sc_event_and_list &eal)
62{
63    events = eal.events;
64    return *this;
65}
66
67int
68sc_event_and_list::size() const
69{
70    return events.size();
71}
72
73void
74sc_event_and_list::swap(sc_event_and_list &eal)
75{
76    events.swap(eal.events);
77}
78
79sc_event_and_list &
80sc_event_and_list::operator &= (const sc_event &e)
81{
82    insert(e);
83    return *this;
84}
85
86sc_event_and_list &
87sc_event_and_list::operator &= (const sc_event_and_list &eal)
88{
89    insert(eal);
90    return *this;
91}
92
93sc_event_and_expr
94sc_event_and_list::operator & (const sc_event &e) const
95{
96    sc_event_and_expr expr;
97    expr.insert(*this);
98    expr.insert(e);
99    return expr;
100}
101
102sc_event_and_expr
103sc_event_and_list::operator & (const sc_event_and_list &eal)
104{
105    sc_event_and_expr expr;
106    expr.insert(*this);
107    expr.insert(eal);
108    return expr;
109}
110
111void
112sc_event_and_list::insert(sc_event const &e)
113{
114    events.insert(&e);
115}
116
117void
118sc_event_and_list::insert(sc_event_and_list const &eal)
119{
120    events.insert(eal.events.begin(), eal.events.end());
121}
122
123
124/*
125 * sc_event_or_list
126 */
127
128sc_event_or_list::sc_event_or_list() : autoDelete(false), busy(0) {}
129
130sc_event_or_list::sc_event_or_list(const sc_event_or_list &eol) :
131    events(eol.events), autoDelete(false), busy(0)
132{}
133
134sc_event_or_list::sc_event_or_list(const sc_event &e) : sc_event_or_list()
135{
136    insert(e);
137}
138
139sc_event_or_list::sc_event_or_list(bool auto_delete) :
140    autoDelete(auto_delete), busy(0)
141{}
142
143sc_event_or_list &
144sc_event_or_list::operator = (const sc_event_or_list &eol)
145{
146    events = eol.events;
147    return *this;
148}
149
150sc_event_or_list::~sc_event_or_list() {}
151
152int
153sc_event_or_list::size() const
154{
155    return events.size();
156}
157
158void
159sc_event_or_list::swap(sc_event_or_list &eol)
160{
161    events.swap(eol.events);
162}
163
164sc_event_or_list &
165sc_event_or_list::operator |= (const sc_event &e)
166{
167    insert(e);
168    return *this;
169}
170
171sc_event_or_list &
172sc_event_or_list::operator |= (const sc_event_or_list &eol)
173{
174    insert(eol);
175    return *this;
176}
177
178sc_event_or_expr
179sc_event_or_list::operator | (const sc_event &e) const
180{
181    sc_event_or_expr expr;
182    expr.insert(*this);
183    expr.insert(e);
184    return expr;
185}
186
187sc_event_or_expr
188sc_event_or_list::operator | (const sc_event_or_list &eol) const
189{
190    sc_event_or_expr expr;
191    expr.insert(*this);
192    expr.insert(eol);
193    return expr;
194}
195
196void
197sc_event_or_list::insert(sc_event const &e)
198{
199    events.insert(&e);
200}
201
202void
203sc_event_or_list::insert(sc_event_or_list const &eol)
204{
205    events.insert(eol.events.begin(), eol.events.end());
206}
207
208
209/*
210 * sc_event_and_expr
211 */
212
213// Move semantics
214sc_event_and_expr::sc_event_and_expr(sc_event_and_expr const &e) :
215    list(e.list)
216{
217    e.list = nullptr;
218}
219
220sc_event_and_expr::operator const sc_event_and_list &() const
221{
222    sc_event_and_list *temp = list;
223    list = nullptr;
224    return *temp;
225}
226
227void
228sc_event_and_expr::insert(sc_event const &e) const
229{
230    assert(list);
231    list->insert(e);
232}
233
234void
235sc_event_and_expr::insert(sc_event_and_list const &eal) const
236{
237    assert(list);
238    list->insert(eal);
239}
240
241sc_event_and_expr::~sc_event_and_expr() { delete list; }
242
243sc_event_and_expr::sc_event_and_expr() : list(new sc_event_and_list(true)) {}
244
245sc_event_and_expr
246operator & (sc_event_and_expr expr, sc_event const &e)
247{
248    expr.insert(e);
249    return expr;
250}
251
252sc_event_and_expr
253operator & (sc_event_and_expr expr, sc_event_and_list const &eal)
254{
255    expr.insert(eal);
256    return expr;
257}
258
259
260/*
261 * sc_event_or_expr
262 */
263
264// Move semantics
265sc_event_or_expr::sc_event_or_expr(sc_event_or_expr const &e) :
266    list(e.list)
267{
268    e.list = nullptr;
269}
270
271sc_event_or_expr::operator const sc_event_or_list &() const
272{
273    sc_event_or_list *temp = list;
274    list = NULL;
275    return *temp;
276}
277
278void
279sc_event_or_expr::insert(sc_event const &e) const
280{
281    assert(list);
282    list->insert(e);
283}
284
285void
286sc_event_or_expr::insert(sc_event_or_list const &eol) const
287{
288    assert(list);
289    list->insert(eol);
290}
291
292sc_event_or_expr::~sc_event_or_expr() { delete list; }
293
294sc_event_or_expr::sc_event_or_expr() : list(new sc_event_or_list(true)) {}
295
296sc_event_or_expr
297operator | (sc_event_or_expr expr, sc_event const &e)
298{
299    expr.insert(e);
300    return expr;
301}
302
303sc_event_or_expr
304operator | (sc_event_or_expr expr, sc_event_or_list const &eol)
305{
306    expr.insert(eol);
307    return expr;
308}
309
310
311/*
312 * sc_event
313 */
314
315sc_event::sc_event() :
316    _gem5_event(new ::sc_gem5::Event(
317                this, sc_core::sc_gen_unique_name("event")))
318{}
319
320sc_event::sc_event(const char *_name) :
321    _gem5_event(new ::sc_gem5::Event(this, _name))
322{}
323
324sc_event::~sc_event() { delete _gem5_event; }
325
326const char *sc_event::name() const { return _gem5_event->name().c_str(); }
327const char *
328sc_event::basename() const
329{
330    return _gem5_event->basename().c_str();
331}
332bool sc_event::in_hierarchy() const { return _gem5_event->inHierarchy(); }
333
334sc_object *
335sc_event::get_parent_object() const
336{
337    return _gem5_event->getParentObject();
338}
339
340void sc_event::notify() { _gem5_event->notify(); }
341void sc_event::notify(const sc_time &t) { _gem5_event->notify(t); }
342void sc_event::notify(double d, sc_time_unit u) { _gem5_event->notify(d, u); }
343void sc_event::cancel() { _gem5_event->cancel(); }
344bool sc_event::triggered() const { return _gem5_event->triggered(); }
345void
346sc_event::notify_delayed()
347{
348    _gem5_event->notifyDelayed(SC_ZERO_TIME);
349}
350void
351sc_event::notify_delayed(const sc_time &t)
352{
353    _gem5_event->notifyDelayed(t);
354}
355
356sc_event_and_expr
357sc_event::operator & (const sc_event &e) const
358{
359    sc_event_and_expr expr;
360    expr.insert(*this);
361    expr.insert(e);
362    return expr;
363}
364
365sc_event_and_expr
366sc_event::operator & (const sc_event_and_list &eal) const
367{
368    sc_event_and_expr expr;
369    expr.insert(*this);
370    expr.insert(eal);
371    return expr;
372}
373
374sc_event_or_expr
375sc_event::operator | (const sc_event &e) const
376{
377    sc_event_or_expr expr;
378    expr.insert(*this);
379    expr.insert(e);
380    return expr;
381}
382
383sc_event_or_expr
384sc_event::operator | (const sc_event_or_list &eol) const
385{
386    sc_event_or_expr expr;
387    expr.insert(*this);
388    expr.insert(eol);
389    return expr;
390}
391
392sc_event::sc_event(bool) :
393    _gem5_event(new ::sc_gem5::Event(
394                this, sc_core::sc_gen_unique_name(
395                    "$$$internal kernel event$$$"), true))
396{}
397
398sc_event::sc_event(bool, const char *_name) :
399    _gem5_event(new ::sc_gem5::Event(
400                this,
401                (std::string("$$$internal kernel event$$$") + _name).c_str(),
402                true))
403{}
404
405const std::vector<sc_event *> &
406sc_get_top_level_events()
407{
408    return ::sc_gem5::topLevelEvents;
409}
410
411sc_event *
412sc_find_event(const char *name)
413{
414    std::string str(name);
415    ::sc_gem5::EventsIt it = ::sc_gem5::findEvent(str);
416    return it == ::sc_gem5::allEvents.end() ? nullptr : *it;
417}
418
419} // namespace sc_core
420
421namespace sc_gem5
422{
423
424InternalScEvent::InternalScEvent() : sc_event(true) {}
425InternalScEvent::InternalScEvent(const char *_name) : sc_event(true, _name) {}
426
427} // namespace sc_gem5
428