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/sensitivity.hh"
31
32#include "systemc/core/event.hh"
33#include "systemc/core/port.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/sensitivity.hh"
31
32#include "systemc/core/event.hh"
33#include "systemc/core/port.hh"
|
61/*
62 * Dynamic vs. static sensitivity.
63 */
64
65void
66DynamicSensitivity::addToEvent(const ::sc_core::sc_event *e)
67{
68 Event::getFromScEvent(e)->addSensitivity(this);
69}
70
71void
72DynamicSensitivity::delFromEvent(const ::sc_core::sc_event *e)
73{
74 Event::getFromScEvent(e)->delSensitivity(this);
75}
76
77void
78StaticSensitivity::addToEvent(const ::sc_core::sc_event *e)
79{
80 Event::getFromScEvent(e)->addSensitivity(this);
81}
82
83void
84StaticSensitivity::delFromEvent(const ::sc_core::sc_event *e)
85{
86 Event::getFromScEvent(e)->delSensitivity(this);
87}
88
89
90/*
91 * Static sensitivities.
92 */
93
94void
95newStaticSensitivityEvent(Process *p, const sc_core::sc_event *e)
96{
97 auto s = new StaticSensitivityEvent(p, e);
98 s->addToEvent(s->event);
99 p->addStatic(s);
100}
101
102void
103newStaticSensitivityInterface(Process *p, const sc_core::sc_interface *i)
104{
105 auto s = new StaticSensitivityInterface(p, i);
106 s->addToEvent(s->event);
107 p->addStatic(s);
108}
109
110void
111newStaticSensitivityPort(Process *p, const sc_core::sc_port_base *pb)
112{
113 auto s = new StaticSensitivityPort(p);
114 Port *port = Port::fromPort(pb);
115 port->sensitive(s);
116 p->addStatic(s);
117}
118
119void
120newStaticSensitivityExport(Process *p, const sc_core::sc_export_base *exp)
121{
122 auto s = new StaticSensitivityExport(p, exp);
123 s->addToEvent(s->event);
124 p->addStatic(s);
125}
126
127void
128newStaticSensitivityFinder(Process *p, const sc_core::sc_event_finder *f)
129{
130 auto s = new StaticSensitivityFinder(p, f);
131 Port *port = Port::fromPort(f->port());
132 port->sensitive(s);
133 p->addStatic(s);
134}
135
136
137StaticSensitivityInterface::StaticSensitivityInterface(
138 Process *p, const sc_core::sc_interface *i) :
139 Sensitivity(p), StaticSensitivity(p),
140 SensitivityEvent(p, &i->default_event())
141{}
142
143StaticSensitivityExport::StaticSensitivityExport(
144 Process *p, const sc_core::sc_export_base *exp) :
145 Sensitivity(p), StaticSensitivity(p),
146 SensitivityEvent(p, &exp->get_interface()->default_event())
147{}
148
149const ::sc_core::sc_event &
150StaticSensitivityFinder::find(::sc_core::sc_interface *i)
151{
152 return finder->find_event(i);
153}
154
155
156/*
157 * Dynamic sensitivities.
158 */
159
160void
161newDynamicSensitivityEvent(Process *p, const sc_core::sc_event *e)
162{
163 auto s = new DynamicSensitivityEvent(p, e);
164 s->addToEvent(s->event);
165 p->setDynamic(s);
166}
167
168void
169newDynamicSensitivityEventOrList(
170 Process *p, const sc_core::sc_event_or_list *eol)
171{
172 auto s = new DynamicSensitivityEventOrList(p, eol);
173 for (auto event: s->events)
174 s->addToEvent(event);
175 p->setDynamic(s);
176}
177
178void newDynamicSensitivityEventAndList(
179 Process *p, const sc_core::sc_event_and_list *eal)
180{
181 auto s = new DynamicSensitivityEventAndList(p, eal);
182 for (auto event: s->events)
183 s->addToEvent(event);
184 p->setDynamic(s);
185}
186
187
188DynamicSensitivityEventOrList::DynamicSensitivityEventOrList(
189 Process *p, const sc_core::sc_event_or_list *eol) :
190 Sensitivity(p), DynamicSensitivity(p), SensitivityEvents(p, eol->events)
191{}
192
193bool
194DynamicSensitivityEventOrList::notifyWork(Event *e)
195{
196 events.erase(e->sc_event());
197
198 // All the other events need this deleted from their lists since this
199 // sensitivity has been satisfied without them triggering.
200 for (auto le: events)
201 delFromEvent(le);
202
203 satisfy();
204 return true;
205}
206
207DynamicSensitivityEventAndList::DynamicSensitivityEventAndList(
208 Process *p, const sc_core::sc_event_and_list *eal) :
209 Sensitivity(p), DynamicSensitivity(p), SensitivityEvents(p, eal->events)
210{}
211
212bool
213DynamicSensitivityEventAndList::notifyWork(Event *e)
214{
215 events.erase(e->sc_event());
216
217 // This sensitivity is satisfied if all events have triggered.
218 if (events.empty())
219 satisfy();
220
221 return true;
222}
223
224} // namespace sc_gem5
| 68/*
69 * Dynamic vs. static sensitivity.
70 */
71
72void
73DynamicSensitivity::addToEvent(const ::sc_core::sc_event *e)
74{
75 Event::getFromScEvent(e)->addSensitivity(this);
76}
77
78void
79DynamicSensitivity::delFromEvent(const ::sc_core::sc_event *e)
80{
81 Event::getFromScEvent(e)->delSensitivity(this);
82}
83
84void
85StaticSensitivity::addToEvent(const ::sc_core::sc_event *e)
86{
87 Event::getFromScEvent(e)->addSensitivity(this);
88}
89
90void
91StaticSensitivity::delFromEvent(const ::sc_core::sc_event *e)
92{
93 Event::getFromScEvent(e)->delSensitivity(this);
94}
95
96
97/*
98 * Static sensitivities.
99 */
100
101void
102newStaticSensitivityEvent(Process *p, const sc_core::sc_event *e)
103{
104 auto s = new StaticSensitivityEvent(p, e);
105 s->addToEvent(s->event);
106 p->addStatic(s);
107}
108
109void
110newStaticSensitivityInterface(Process *p, const sc_core::sc_interface *i)
111{
112 auto s = new StaticSensitivityInterface(p, i);
113 s->addToEvent(s->event);
114 p->addStatic(s);
115}
116
117void
118newStaticSensitivityPort(Process *p, const sc_core::sc_port_base *pb)
119{
120 auto s = new StaticSensitivityPort(p);
121 Port *port = Port::fromPort(pb);
122 port->sensitive(s);
123 p->addStatic(s);
124}
125
126void
127newStaticSensitivityExport(Process *p, const sc_core::sc_export_base *exp)
128{
129 auto s = new StaticSensitivityExport(p, exp);
130 s->addToEvent(s->event);
131 p->addStatic(s);
132}
133
134void
135newStaticSensitivityFinder(Process *p, const sc_core::sc_event_finder *f)
136{
137 auto s = new StaticSensitivityFinder(p, f);
138 Port *port = Port::fromPort(f->port());
139 port->sensitive(s);
140 p->addStatic(s);
141}
142
143
144StaticSensitivityInterface::StaticSensitivityInterface(
145 Process *p, const sc_core::sc_interface *i) :
146 Sensitivity(p), StaticSensitivity(p),
147 SensitivityEvent(p, &i->default_event())
148{}
149
150StaticSensitivityExport::StaticSensitivityExport(
151 Process *p, const sc_core::sc_export_base *exp) :
152 Sensitivity(p), StaticSensitivity(p),
153 SensitivityEvent(p, &exp->get_interface()->default_event())
154{}
155
156const ::sc_core::sc_event &
157StaticSensitivityFinder::find(::sc_core::sc_interface *i)
158{
159 return finder->find_event(i);
160}
161
162
163/*
164 * Dynamic sensitivities.
165 */
166
167void
168newDynamicSensitivityEvent(Process *p, const sc_core::sc_event *e)
169{
170 auto s = new DynamicSensitivityEvent(p, e);
171 s->addToEvent(s->event);
172 p->setDynamic(s);
173}
174
175void
176newDynamicSensitivityEventOrList(
177 Process *p, const sc_core::sc_event_or_list *eol)
178{
179 auto s = new DynamicSensitivityEventOrList(p, eol);
180 for (auto event: s->events)
181 s->addToEvent(event);
182 p->setDynamic(s);
183}
184
185void newDynamicSensitivityEventAndList(
186 Process *p, const sc_core::sc_event_and_list *eal)
187{
188 auto s = new DynamicSensitivityEventAndList(p, eal);
189 for (auto event: s->events)
190 s->addToEvent(event);
191 p->setDynamic(s);
192}
193
194
195DynamicSensitivityEventOrList::DynamicSensitivityEventOrList(
196 Process *p, const sc_core::sc_event_or_list *eol) :
197 Sensitivity(p), DynamicSensitivity(p), SensitivityEvents(p, eol->events)
198{}
199
200bool
201DynamicSensitivityEventOrList::notifyWork(Event *e)
202{
203 events.erase(e->sc_event());
204
205 // All the other events need this deleted from their lists since this
206 // sensitivity has been satisfied without them triggering.
207 for (auto le: events)
208 delFromEvent(le);
209
210 satisfy();
211 return true;
212}
213
214DynamicSensitivityEventAndList::DynamicSensitivityEventAndList(
215 Process *p, const sc_core::sc_event_and_list *eal) :
216 Sensitivity(p), DynamicSensitivity(p), SensitivityEvents(p, eal->events)
217{}
218
219bool
220DynamicSensitivityEventAndList::notifyWork(Event *e)
221{
222 events.erase(e->sc_event());
223
224 // This sensitivity is satisfied if all events have triggered.
225 if (events.empty())
226 satisfy();
227
228 return true;
229}
230
231} // namespace sc_gem5
|