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/process.hh"
32#include "systemc/core/scheduler.hh"
33#include "systemc/ext/core/sc_main.hh"
34#include "systemc/ext/core/sc_process_handle.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 "base/logging.hh"
31#include "systemc/core/process.hh"
32#include "systemc/core/scheduler.hh"
33#include "systemc/ext/core/sc_main.hh"
34#include "systemc/ext/core/sc_process_handle.hh"
|
| 35#include "systemc/ext/utils/sc_report_handler.hh"
|
35
36namespace sc_core
37{
38
39const char *
40sc_unwind_exception::what() const throw()
41{
42 return _isReset ? "RESET" : "KILL";
43}
44
45bool
46sc_unwind_exception::is_reset() const
47{
48 return _isReset;
49}
50
51sc_unwind_exception::sc_unwind_exception() : _isReset(false) {}
52sc_unwind_exception::sc_unwind_exception(const sc_unwind_exception &e) :
53 _isReset(e._isReset)
54{}
55sc_unwind_exception::~sc_unwind_exception() throw() {}
56
57
58void
59sc_set_location(const char *file, int lineno)
60{
61 sc_process_b *current = ::sc_gem5::scheduler.current();
62 if (!current)
63 return;
64 current->file = file;
65 current->lineno = lineno;
66}
67
68
69sc_process_b *
70sc_get_curr_process_handle()
71{
72 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
73 return nullptr;
74}
75
76
77sc_process_handle::sc_process_handle() : _gem5_process(nullptr) {}
78
79sc_process_handle::sc_process_handle(const sc_process_handle &handle) :
80 _gem5_process(handle._gem5_process)
81{
82 if (_gem5_process)
83 _gem5_process->incref();
84}
85
86sc_process_handle::sc_process_handle(sc_object *obj) :
87 _gem5_process(dynamic_cast<::sc_gem5::Process *>(obj))
88{
89 if (_gem5_process)
90 _gem5_process->incref();
91}
92
93sc_process_handle::~sc_process_handle()
94{
95 if (_gem5_process)
96 _gem5_process->decref();
97}
98
99
100bool
101sc_process_handle::valid() const
102{
103 return _gem5_process != nullptr;
104}
105
106
107sc_process_handle &
108sc_process_handle::operator = (const sc_process_handle &handle)
109{
110 if (_gem5_process)
111 _gem5_process->decref();
112 _gem5_process = handle._gem5_process;
113 if (_gem5_process)
114 _gem5_process->incref();
115 return *this;
116}
117
118bool
119sc_process_handle::operator == (const sc_process_handle &handle) const
120{
121 return _gem5_process && handle._gem5_process &&
122 (_gem5_process == handle._gem5_process);
123}
124
125bool
126sc_process_handle::operator != (const sc_process_handle &handle) const
127{
128 return !(handle == *this);
129}
130
131bool
132sc_process_handle::operator < (const sc_process_handle &other) const
133{
134 return _gem5_process < other._gem5_process;
135}
136
137void
138sc_process_handle::swap(sc_process_handle &handle)
139{
140 ::sc_gem5::Process *temp = handle._gem5_process;
141 handle._gem5_process = _gem5_process;
142 _gem5_process = temp;
143}
144
145
146const char *
147sc_process_handle::name() const
148{
149 return _gem5_process ? _gem5_process->name() : "";
150}
151
152sc_curr_proc_kind
153sc_process_handle::proc_kind() const
154{
155 return _gem5_process ? _gem5_process->procKind() : SC_NO_PROC_;
156}
157
158const std::vector<sc_object *> &
159sc_process_handle::get_child_objects() const
160{
161 static const std::vector<sc_object *> empty;
162 return _gem5_process ? _gem5_process->get_child_objects() : empty;
163}
164
165const std::vector<sc_event *> &
166sc_process_handle::get_child_events() const
167{
168 static const std::vector<sc_event *> empty;
169 return _gem5_process ? _gem5_process->get_child_events() : empty;
170}
171
172sc_object *
173sc_process_handle::get_parent_object() const
174{
175 return _gem5_process ? _gem5_process->get_parent_object() : nullptr;
176}
177
178sc_object *
179sc_process_handle::get_process_object() const
180{
181 return _gem5_process;
182}
183
184bool
185sc_process_handle::dynamic() const
186{
187 return _gem5_process ? _gem5_process->dynamic() : false;
188}
189
190bool
191sc_process_handle::terminated() const
192{
193 return _gem5_process ? _gem5_process->terminated() : false;
194}
195
196const sc_event &
197sc_process_handle::terminated_event() const
198{
| 36
37namespace sc_core
38{
39
40const char *
41sc_unwind_exception::what() const throw()
42{
43 return _isReset ? "RESET" : "KILL";
44}
45
46bool
47sc_unwind_exception::is_reset() const
48{
49 return _isReset;
50}
51
52sc_unwind_exception::sc_unwind_exception() : _isReset(false) {}
53sc_unwind_exception::sc_unwind_exception(const sc_unwind_exception &e) :
54 _isReset(e._isReset)
55{}
56sc_unwind_exception::~sc_unwind_exception() throw() {}
57
58
59void
60sc_set_location(const char *file, int lineno)
61{
62 sc_process_b *current = ::sc_gem5::scheduler.current();
63 if (!current)
64 return;
65 current->file = file;
66 current->lineno = lineno;
67}
68
69
70sc_process_b *
71sc_get_curr_process_handle()
72{
73 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
74 return nullptr;
75}
76
77
78sc_process_handle::sc_process_handle() : _gem5_process(nullptr) {}
79
80sc_process_handle::sc_process_handle(const sc_process_handle &handle) :
81 _gem5_process(handle._gem5_process)
82{
83 if (_gem5_process)
84 _gem5_process->incref();
85}
86
87sc_process_handle::sc_process_handle(sc_object *obj) :
88 _gem5_process(dynamic_cast<::sc_gem5::Process *>(obj))
89{
90 if (_gem5_process)
91 _gem5_process->incref();
92}
93
94sc_process_handle::~sc_process_handle()
95{
96 if (_gem5_process)
97 _gem5_process->decref();
98}
99
100
101bool
102sc_process_handle::valid() const
103{
104 return _gem5_process != nullptr;
105}
106
107
108sc_process_handle &
109sc_process_handle::operator = (const sc_process_handle &handle)
110{
111 if (_gem5_process)
112 _gem5_process->decref();
113 _gem5_process = handle._gem5_process;
114 if (_gem5_process)
115 _gem5_process->incref();
116 return *this;
117}
118
119bool
120sc_process_handle::operator == (const sc_process_handle &handle) const
121{
122 return _gem5_process && handle._gem5_process &&
123 (_gem5_process == handle._gem5_process);
124}
125
126bool
127sc_process_handle::operator != (const sc_process_handle &handle) const
128{
129 return !(handle == *this);
130}
131
132bool
133sc_process_handle::operator < (const sc_process_handle &other) const
134{
135 return _gem5_process < other._gem5_process;
136}
137
138void
139sc_process_handle::swap(sc_process_handle &handle)
140{
141 ::sc_gem5::Process *temp = handle._gem5_process;
142 handle._gem5_process = _gem5_process;
143 _gem5_process = temp;
144}
145
146
147const char *
148sc_process_handle::name() const
149{
150 return _gem5_process ? _gem5_process->name() : "";
151}
152
153sc_curr_proc_kind
154sc_process_handle::proc_kind() const
155{
156 return _gem5_process ? _gem5_process->procKind() : SC_NO_PROC_;
157}
158
159const std::vector<sc_object *> &
160sc_process_handle::get_child_objects() const
161{
162 static const std::vector<sc_object *> empty;
163 return _gem5_process ? _gem5_process->get_child_objects() : empty;
164}
165
166const std::vector<sc_event *> &
167sc_process_handle::get_child_events() const
168{
169 static const std::vector<sc_event *> empty;
170 return _gem5_process ? _gem5_process->get_child_events() : empty;
171}
172
173sc_object *
174sc_process_handle::get_parent_object() const
175{
176 return _gem5_process ? _gem5_process->get_parent_object() : nullptr;
177}
178
179sc_object *
180sc_process_handle::get_process_object() const
181{
182 return _gem5_process;
183}
184
185bool
186sc_process_handle::dynamic() const
187{
188 return _gem5_process ? _gem5_process->dynamic() : false;
189}
190
191bool
192sc_process_handle::terminated() const
193{
194 return _gem5_process ? _gem5_process->terminated() : false;
195}
196
197const sc_event &
198sc_process_handle::terminated_event() const
199{
|
199 static sc_event non_event;
200 return _gem5_process ? _gem5_process->terminatedEvent() : non_event;
| 200 if (!_gem5_process) {
201 SC_REPORT_WARNING("(W570) attempt to use an empty "
202 "process handle ignored", "terminated_event()");
203 static sc_event non_event;
204 return non_event;
205 }
206 return _gem5_process->terminatedEvent();
|
201}
202
203
204void
205sc_process_handle::suspend(sc_descendent_inclusion_info include_descendants)
206{
| 207}
208
209
210void
211sc_process_handle::suspend(sc_descendent_inclusion_info include_descendants)
212{
|
207 if (!_gem5_process)
| 213 if (!_gem5_process) {
214 SC_REPORT_WARNING("(W570) attempt to use an empty "
215 "process handle ignored", "suspend()");
|
208 return;
| 216 return;
|
| 217 }
|
209 _gem5_process->suspend(include_descendants == SC_INCLUDE_DESCENDANTS);
210}
211
212void
213sc_process_handle::resume(sc_descendent_inclusion_info include_descendants)
214{
| 218 _gem5_process->suspend(include_descendants == SC_INCLUDE_DESCENDANTS);
219}
220
221void
222sc_process_handle::resume(sc_descendent_inclusion_info include_descendants)
223{
|
215 if (!_gem5_process)
| 224 if (!_gem5_process) {
225 SC_REPORT_WARNING("(W570) attempt to use an empty "
226 "process handle ignored", "resume()");
|
216 return;
| 227 return;
|
| 228 }
|
217 _gem5_process->resume(include_descendants == SC_INCLUDE_DESCENDANTS);
218}
219
220void
221sc_process_handle::disable(sc_descendent_inclusion_info include_descendants)
222{
| 229 _gem5_process->resume(include_descendants == SC_INCLUDE_DESCENDANTS);
230}
231
232void
233sc_process_handle::disable(sc_descendent_inclusion_info include_descendants)
234{
|
223 if (!_gem5_process)
| 235 if (!_gem5_process) {
236 SC_REPORT_WARNING("(W570) attempt to use an empty "
237 "process handle ignored", "disable()");
|
224 return;
| 238 return;
|
| 239 }
|
225 _gem5_process->disable(include_descendants == SC_INCLUDE_DESCENDANTS);
226}
227
228void
229sc_process_handle::enable(sc_descendent_inclusion_info include_descendants)
230{
| 240 _gem5_process->disable(include_descendants == SC_INCLUDE_DESCENDANTS);
241}
242
243void
244sc_process_handle::enable(sc_descendent_inclusion_info include_descendants)
245{
|
231 if (!_gem5_process)
| 246 if (!_gem5_process) {
247 SC_REPORT_WARNING("(W570) attempt to use an empty "
248 "process handle ignored", "enable()");
|
232 return;
| 249 return;
|
| 250 }
|
233 _gem5_process->enable(include_descendants == SC_INCLUDE_DESCENDANTS);
234}
235
236void
237sc_process_handle::kill(sc_descendent_inclusion_info include_descendants)
238{
| 251 _gem5_process->enable(include_descendants == SC_INCLUDE_DESCENDANTS);
252}
253
254void
255sc_process_handle::kill(sc_descendent_inclusion_info include_descendants)
256{
|
239 if (!_gem5_process)
| 257 if (!_gem5_process) {
258 SC_REPORT_WARNING("(W570) attempt to use an empty "
259 "process handle ignored", "kill()");
|
240 return;
| 260 return;
|
| 261 }
|
241 _gem5_process->kill(include_descendants == SC_INCLUDE_DESCENDANTS);
242}
243
244void
245sc_process_handle::reset(sc_descendent_inclusion_info include_descendants)
246{
| 262 _gem5_process->kill(include_descendants == SC_INCLUDE_DESCENDANTS);
263}
264
265void
266sc_process_handle::reset(sc_descendent_inclusion_info include_descendants)
267{
|
247 if (!_gem5_process)
| 268 if (!_gem5_process) {
269 SC_REPORT_WARNING("(W570) attempt to use an empty "
270 "process handle ignored", "reset()");
|
248 return;
| 271 return;
|
| 272 }
|
249 _gem5_process->reset(include_descendants == SC_INCLUDE_DESCENDANTS);
250}
251
252bool
253sc_process_handle::is_unwinding()
254{
255 if (!_gem5_process) {
| 273 _gem5_process->reset(include_descendants == SC_INCLUDE_DESCENDANTS);
274}
275
276bool
277sc_process_handle::is_unwinding()
278{
279 if (!_gem5_process) {
|
256 //TODO This should generate a systemc style warning if the handle is
257 //invalid.
| 280 SC_REPORT_WARNING("(W570) attempt to use an empty "
281 "process handle ignored", "is_unwinding()");
|
258 return false;
| 282 return false;
|
259 } else {
260 return _gem5_process->isUnwinding();
| |
261 }
| 283 }
|
| 284 return _gem5_process->isUnwinding();
|
262}
263
264const sc_event &
265sc_process_handle::reset_event() const
266{
| 285}
286
287const sc_event &
288sc_process_handle::reset_event() const
289{
|
267 static sc_event non_event;
268 return _gem5_process ? _gem5_process->resetEvent() : non_event;
| 290 if (!_gem5_process) {
291 SC_REPORT_WARNING("(W570) attempt to use an empty "
292 "process handle ignored", "reset()");
293 static sc_event non_event;
294 return non_event;
295 }
296 return _gem5_process->resetEvent();
|
269}
270
271
272void
273sc_process_handle::sync_reset_on(
274 sc_descendent_inclusion_info include_descendants)
275{
| 297}
298
299
300void
301sc_process_handle::sync_reset_on(
302 sc_descendent_inclusion_info include_descendants)
303{
|
276 if (!_gem5_process)
| 304 if (!_gem5_process) {
305 SC_REPORT_WARNING("(W570) attempt to use an empty "
306 "process handle ignored", "sync_reset_on()");
|
277 return;
| 307 return;
|
| 308 }
|
278 _gem5_process->syncResetOn(include_descendants == SC_INCLUDE_DESCENDANTS);
279}
280
281void
282sc_process_handle::sync_reset_off(
283 sc_descendent_inclusion_info include_descendants)
284{
| 309 _gem5_process->syncResetOn(include_descendants == SC_INCLUDE_DESCENDANTS);
310}
311
312void
313sc_process_handle::sync_reset_off(
314 sc_descendent_inclusion_info include_descendants)
315{
|
285 if (!_gem5_process)
| 316 if (!_gem5_process) {
317 SC_REPORT_WARNING("(W570) attempt to use an empty "
318 "process handle ignored", "sync_reset_off()");
|
286 return;
| 319 return;
|
| 320 }
|
287 _gem5_process->syncResetOff(include_descendants == SC_INCLUDE_DESCENDANTS);
288}
289
290
291sc_process_handle
292sc_get_current_process_handle()
293{
294 if (sc_is_running())
295 return sc_process_handle(::sc_gem5::scheduler.current());
296 else
297 return sc_process_handle(::sc_gem5::Process::newest());
298}
299
300bool
301sc_is_unwinding()
302{
303 return sc_get_current_process_handle().is_unwinding();
304}
305
306bool sc_allow_process_control_corners;
307
308} // namespace sc_core
| 321 _gem5_process->syncResetOff(include_descendants == SC_INCLUDE_DESCENDANTS);
322}
323
324
325sc_process_handle
326sc_get_current_process_handle()
327{
328 if (sc_is_running())
329 return sc_process_handle(::sc_gem5::scheduler.current());
330 else
331 return sc_process_handle(::sc_gem5::Process::newest());
332}
333
334bool
335sc_is_unwinding()
336{
337 return sc_get_current_process_handle().is_unwinding();
338}
339
340bool sc_allow_process_control_corners;
341
342} // namespace sc_core
|