1/*
2 * Copyright (c) 2000-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Steve Raasch
29 * Nathan Binkert
30 * Steve Reinhardt
31 */
32
33///
34/// @file sim/main.cc
35///
36#include <Python.h> // must be before system headers... see Python docs
37
38#include <sys/types.h>
39#include <sys/stat.h>
40#include <errno.h>
41#include <libgen.h>
42#include <stdlib.h>
43#include <signal.h>
44#include <getopt.h>
45
46#include <list>
47#include <string>
48#include <vector>
49
50#include "base/callback.hh"
51#include "base/inifile.hh"
52#include "base/misc.hh"
53#include "base/output.hh"
54#include "base/pollevent.hh"
55#include "base/statistics.hh"
| 1/*
2 * Copyright (c) 2000-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Steve Raasch
29 * Nathan Binkert
30 * Steve Reinhardt
31 */
32
33///
34/// @file sim/main.cc
35///
36#include <Python.h> // must be before system headers... see Python docs
37
38#include <sys/types.h>
39#include <sys/stat.h>
40#include <errno.h>
41#include <libgen.h>
42#include <stdlib.h>
43#include <signal.h>
44#include <getopt.h>
45
46#include <list>
47#include <string>
48#include <vector>
49
50#include "base/callback.hh"
51#include "base/inifile.hh"
52#include "base/misc.hh"
53#include "base/output.hh"
54#include "base/pollevent.hh"
55#include "base/statistics.hh"
|
| 56#include "base/stats/output.hh"
|
56#include "base/str.hh"
57#include "base/time.hh"
58#include "config/pythonhome.hh"
59#include "cpu/base.hh"
60#include "cpu/smt.hh"
61#include "mem/mem_object.hh"
62#include "mem/port.hh"
63#include "python/swig/init.hh"
64#include "sim/async.hh"
65#include "sim/builder.hh"
66#include "sim/host.hh"
67#include "sim/serialize.hh"
68#include "sim/sim_events.hh"
69#include "sim/sim_exit.hh"
70#include "sim/sim_object.hh"
71#include "sim/system.hh"
72#include "sim/stat_control.hh"
73#include "sim/stats.hh"
74#include "sim/root.hh"
75
76using namespace std;
77
78// See async.h.
79volatile bool async_event = false;
80volatile bool async_dump = false;
81volatile bool async_dumpreset = false;
82volatile bool async_exit = false;
83volatile bool async_io = false;
84volatile bool async_alarm = false;
85volatile bool async_exception = false;
86
87/// Stats signal handler.
88void
89dumpStatsHandler(int sigtype)
90{
91 async_event = true;
92 async_dump = true;
93}
94
95void
96dumprstStatsHandler(int sigtype)
97{
98 async_event = true;
99 async_dumpreset = true;
100}
101
102/// Exit signal handler.
103void
104exitNowHandler(int sigtype)
105{
106 async_event = true;
107 async_exit = true;
108}
109
110/// Abort signal handler.
111void
112abortHandler(int sigtype)
113{
114 cerr << "Program aborted at cycle " << curTick << endl;
115}
116
117int
118main(int argc, char **argv)
119{
120 signal(SIGFPE, SIG_IGN); // may occur on misspeculated paths
121 signal(SIGTRAP, SIG_IGN);
122 signal(SIGUSR1, dumpStatsHandler); // dump intermediate stats
123 signal(SIGUSR2, dumprstStatsHandler); // dump and reset stats
124 signal(SIGINT, exitNowHandler); // dump final stats and exit
125 signal(SIGABRT, abortHandler);
126
127 Py_SetProgramName(argv[0]);
128
129 // default path to m5 python code is the currently executing
130 // file... Python ZipImporter will find embedded zip archive.
131 // The M5_ARCHIVE environment variable can be used to override this.
132 char *m5_archive = getenv("M5_ARCHIVE");
133 string pythonpath = m5_archive ? m5_archive : argv[0];
134
135 char *oldpath = getenv("PYTHONPATH");
136 if (oldpath != NULL) {
137 pythonpath += ":";
138 pythonpath += oldpath;
139 }
140
141 if (setenv("PYTHONPATH", pythonpath.c_str(), true) == -1)
142 fatal("setenv: %s\n", strerror(errno));
143
144 char *python_home = getenv("PYTHONHOME");
145 if (!python_home)
146 python_home = PYTHONHOME;
147 Py_SetPythonHome(python_home);
148
149 // initialize embedded Python interpreter
150 Py_Initialize();
151 PySys_SetArgv(argc, argv);
152
153 // initialize SWIG modules
154 init_swig();
155
156 PyRun_SimpleString("import m5.main");
157 PyRun_SimpleString("m5.main.main()");
158
159 // clean up Python intepreter.
160 Py_Finalize();
161}
162
163
164void
165setOutputDir(const string &dir)
166{
167 simout.setDirectory(dir);
168}
169
170
171IniFile inifile;
172
173SimObject *
174createSimObject(const string &name)
175{
176 return SimObjectClass::createObject(inifile, name);
177}
178
179
180/**
181 * Pointer to the Python function that maps names to SimObjects.
182 */
183PyObject *resolveFunc = NULL;
184
185/**
186 * Convert a pointer to the Python object that SWIG wraps around a C++
187 * SimObject pointer back to the actual C++ pointer. See main.i.
188 */
189extern "C" SimObject *convertSwigSimObjectPtr(PyObject *);
190
191
192SimObject *
193resolveSimObject(const string &name)
194{
195 PyObject *pyPtr = PyEval_CallFunction(resolveFunc, "(s)", name.c_str());
196 if (pyPtr == NULL) {
197 PyErr_Print();
198 panic("resolveSimObject: failure on call to Python for %s", name);
199 }
200
201 SimObject *simObj = convertSwigSimObjectPtr(pyPtr);
202 if (simObj == NULL)
203 panic("resolveSimObject: failure on pointer conversion for %s", name);
204
205 return simObj;
206}
207
208
209/**
210 * Load config.ini into C++ database. Exported to Python via SWIG;
211 * invoked from m5.instantiate().
212 */
213void
214loadIniFile(PyObject *_resolveFunc)
215{
216 resolveFunc = _resolveFunc;
217 configStream = simout.find("config.out");
218
219 // The configuration database is now complete; start processing it.
220 inifile.load(simout.resolve("config.ini"));
221
222 // Initialize statistics database
| 57#include "base/str.hh"
58#include "base/time.hh"
59#include "config/pythonhome.hh"
60#include "cpu/base.hh"
61#include "cpu/smt.hh"
62#include "mem/mem_object.hh"
63#include "mem/port.hh"
64#include "python/swig/init.hh"
65#include "sim/async.hh"
66#include "sim/builder.hh"
67#include "sim/host.hh"
68#include "sim/serialize.hh"
69#include "sim/sim_events.hh"
70#include "sim/sim_exit.hh"
71#include "sim/sim_object.hh"
72#include "sim/system.hh"
73#include "sim/stat_control.hh"
74#include "sim/stats.hh"
75#include "sim/root.hh"
76
77using namespace std;
78
79// See async.h.
80volatile bool async_event = false;
81volatile bool async_dump = false;
82volatile bool async_dumpreset = false;
83volatile bool async_exit = false;
84volatile bool async_io = false;
85volatile bool async_alarm = false;
86volatile bool async_exception = false;
87
88/// Stats signal handler.
89void
90dumpStatsHandler(int sigtype)
91{
92 async_event = true;
93 async_dump = true;
94}
95
96void
97dumprstStatsHandler(int sigtype)
98{
99 async_event = true;
100 async_dumpreset = true;
101}
102
103/// Exit signal handler.
104void
105exitNowHandler(int sigtype)
106{
107 async_event = true;
108 async_exit = true;
109}
110
111/// Abort signal handler.
112void
113abortHandler(int sigtype)
114{
115 cerr << "Program aborted at cycle " << curTick << endl;
116}
117
118int
119main(int argc, char **argv)
120{
121 signal(SIGFPE, SIG_IGN); // may occur on misspeculated paths
122 signal(SIGTRAP, SIG_IGN);
123 signal(SIGUSR1, dumpStatsHandler); // dump intermediate stats
124 signal(SIGUSR2, dumprstStatsHandler); // dump and reset stats
125 signal(SIGINT, exitNowHandler); // dump final stats and exit
126 signal(SIGABRT, abortHandler);
127
128 Py_SetProgramName(argv[0]);
129
130 // default path to m5 python code is the currently executing
131 // file... Python ZipImporter will find embedded zip archive.
132 // The M5_ARCHIVE environment variable can be used to override this.
133 char *m5_archive = getenv("M5_ARCHIVE");
134 string pythonpath = m5_archive ? m5_archive : argv[0];
135
136 char *oldpath = getenv("PYTHONPATH");
137 if (oldpath != NULL) {
138 pythonpath += ":";
139 pythonpath += oldpath;
140 }
141
142 if (setenv("PYTHONPATH", pythonpath.c_str(), true) == -1)
143 fatal("setenv: %s\n", strerror(errno));
144
145 char *python_home = getenv("PYTHONHOME");
146 if (!python_home)
147 python_home = PYTHONHOME;
148 Py_SetPythonHome(python_home);
149
150 // initialize embedded Python interpreter
151 Py_Initialize();
152 PySys_SetArgv(argc, argv);
153
154 // initialize SWIG modules
155 init_swig();
156
157 PyRun_SimpleString("import m5.main");
158 PyRun_SimpleString("m5.main.main()");
159
160 // clean up Python intepreter.
161 Py_Finalize();
162}
163
164
165void
166setOutputDir(const string &dir)
167{
168 simout.setDirectory(dir);
169}
170
171
172IniFile inifile;
173
174SimObject *
175createSimObject(const string &name)
176{
177 return SimObjectClass::createObject(inifile, name);
178}
179
180
181/**
182 * Pointer to the Python function that maps names to SimObjects.
183 */
184PyObject *resolveFunc = NULL;
185
186/**
187 * Convert a pointer to the Python object that SWIG wraps around a C++
188 * SimObject pointer back to the actual C++ pointer. See main.i.
189 */
190extern "C" SimObject *convertSwigSimObjectPtr(PyObject *);
191
192
193SimObject *
194resolveSimObject(const string &name)
195{
196 PyObject *pyPtr = PyEval_CallFunction(resolveFunc, "(s)", name.c_str());
197 if (pyPtr == NULL) {
198 PyErr_Print();
199 panic("resolveSimObject: failure on call to Python for %s", name);
200 }
201
202 SimObject *simObj = convertSwigSimObjectPtr(pyPtr);
203 if (simObj == NULL)
204 panic("resolveSimObject: failure on pointer conversion for %s", name);
205
206 return simObj;
207}
208
209
210/**
211 * Load config.ini into C++ database. Exported to Python via SWIG;
212 * invoked from m5.instantiate().
213 */
214void
215loadIniFile(PyObject *_resolveFunc)
216{
217 resolveFunc = _resolveFunc;
218 configStream = simout.find("config.out");
219
220 // The configuration database is now complete; start processing it.
221 inifile.load(simout.resolve("config.ini"));
222
223 // Initialize statistics database
|
223 Stats::InitSimStats();
| 224 Stats::initSimStats();
|
224}
225
226
227/**
228 * Look up a MemObject port. Helper function for connectPorts().
229 */
230Port *
231lookupPort(SimObject *so, const std::string &name, int i)
232{
233 MemObject *mo = dynamic_cast<MemObject *>(so);
234 if (mo == NULL) {
235 warn("error casting SimObject %s to MemObject", so->name());
236 return NULL;
237 }
238
239 Port *p = mo->getPort(name, i);
240 if (p == NULL)
241 warn("error looking up port %s on object %s", name, so->name());
242 return p;
243}
244
245
246/**
247 * Connect the described MemObject ports. Called from Python via SWIG.
248 */
249int
250connectPorts(SimObject *o1, const std::string &name1, int i1,
251 SimObject *o2, const std::string &name2, int i2)
252{
253 Port *p1 = lookupPort(o1, name1, i1);
254 Port *p2 = lookupPort(o2, name2, i2);
255
256 if (p1 == NULL || p2 == NULL) {
257 warn("connectPorts: port lookup error");
258 return 0;
259 }
260
261 p1->setPeer(p2);
262 p2->setPeer(p1);
263
264 return 1;
265}
266
267/**
268 * Do final initialization steps after object construction but before
269 * start of simulation.
270 */
271void
272finalInit()
273{
274 // Parse and check all non-config-hierarchy parameters.
275 ParamContext::parseAllContexts(inifile);
276 ParamContext::checkAllContexts();
277
278 // Echo all parameter settings to stats file as well.
279 ParamContext::showAllContexts(*configStream);
280
281 // Do a second pass to finish initializing the sim objects
282 SimObject::initAll();
283
284 // Restore checkpointed state, if any.
285#if 0
286 configHierarchy.unserializeSimObjects();
287#endif
288
289 SimObject::regAllStats();
290
291 // Check to make sure that the stats package is properly initialized
292 Stats::check();
293
294 // Reset to put the stats in a consistent state.
295 Stats::reset();
296
297 SimStartup();
298}
299
| 225}
226
227
228/**
229 * Look up a MemObject port. Helper function for connectPorts().
230 */
231Port *
232lookupPort(SimObject *so, const std::string &name, int i)
233{
234 MemObject *mo = dynamic_cast<MemObject *>(so);
235 if (mo == NULL) {
236 warn("error casting SimObject %s to MemObject", so->name());
237 return NULL;
238 }
239
240 Port *p = mo->getPort(name, i);
241 if (p == NULL)
242 warn("error looking up port %s on object %s", name, so->name());
243 return p;
244}
245
246
247/**
248 * Connect the described MemObject ports. Called from Python via SWIG.
249 */
250int
251connectPorts(SimObject *o1, const std::string &name1, int i1,
252 SimObject *o2, const std::string &name2, int i2)
253{
254 Port *p1 = lookupPort(o1, name1, i1);
255 Port *p2 = lookupPort(o2, name2, i2);
256
257 if (p1 == NULL || p2 == NULL) {
258 warn("connectPorts: port lookup error");
259 return 0;
260 }
261
262 p1->setPeer(p2);
263 p2->setPeer(p1);
264
265 return 1;
266}
267
268/**
269 * Do final initialization steps after object construction but before
270 * start of simulation.
271 */
272void
273finalInit()
274{
275 // Parse and check all non-config-hierarchy parameters.
276 ParamContext::parseAllContexts(inifile);
277 ParamContext::checkAllContexts();
278
279 // Echo all parameter settings to stats file as well.
280 ParamContext::showAllContexts(*configStream);
281
282 // Do a second pass to finish initializing the sim objects
283 SimObject::initAll();
284
285 // Restore checkpointed state, if any.
286#if 0
287 configHierarchy.unserializeSimObjects();
288#endif
289
290 SimObject::regAllStats();
291
292 // Check to make sure that the stats package is properly initialized
293 Stats::check();
294
295 // Reset to put the stats in a consistent state.
296 Stats::reset();
297
298 SimStartup();
299}
300
|
300
| |
301/** Simulate for num_cycles additional cycles. If num_cycles is -1
302 * (the default), do not limit simulation; some other event must
303 * terminate the loop. Exported to Python via SWIG.
304 * @return The SimLoopExitEvent that caused the loop to exit.
305 */
306SimLoopExitEvent *
307simulate(Tick num_cycles = MaxTick)
308{
309 warn("Entering event queue @ %d. Starting simulation...\n", curTick);
310
311 if (num_cycles < 0)
312 fatal("simulate: num_cycles must be >= 0 (was %d)\n", num_cycles);
313 else if (curTick + num_cycles < 0) //Overflow
314 num_cycles = MaxTick;
315 else
316 num_cycles = curTick + num_cycles;
317
318 Event *limit_event = schedExitSimLoop("simulate() limit reached",
319 num_cycles);
320
321 while (1) {
322 // there should always be at least one event (the SimLoopExitEvent
323 // we just scheduled) in the queue
324 assert(!mainEventQueue.empty());
325 assert(curTick <= mainEventQueue.nextTick() &&
326 "event scheduled in the past");
327
328 // forward current cycle to the time of the first event on the
329 // queue
330 curTick = mainEventQueue.nextTick();
331 Event *exit_event = mainEventQueue.serviceOne();
332 if (exit_event != NULL) {
333 // hit some kind of exit event; return to Python
334 // event must be subclass of SimLoopExitEvent...
335 SimLoopExitEvent *se_event = dynamic_cast<SimLoopExitEvent *>(exit_event);
336 if (se_event == NULL)
337 panic("Bogus exit event class!");
338
339 // if we didn't hit limit_event, delete it
340 if (se_event != limit_event) {
341 assert(limit_event->scheduled());
342 limit_event->deschedule();
343 delete limit_event;
344 }
345
346 return se_event;
347 }
348
349 if (async_event) {
350 async_event = false;
351 if (async_dump) {
352 async_dump = false;
| 301/** Simulate for num_cycles additional cycles. If num_cycles is -1
302 * (the default), do not limit simulation; some other event must
303 * terminate the loop. Exported to Python via SWIG.
304 * @return The SimLoopExitEvent that caused the loop to exit.
305 */
306SimLoopExitEvent *
307simulate(Tick num_cycles = MaxTick)
308{
309 warn("Entering event queue @ %d. Starting simulation...\n", curTick);
310
311 if (num_cycles < 0)
312 fatal("simulate: num_cycles must be >= 0 (was %d)\n", num_cycles);
313 else if (curTick + num_cycles < 0) //Overflow
314 num_cycles = MaxTick;
315 else
316 num_cycles = curTick + num_cycles;
317
318 Event *limit_event = schedExitSimLoop("simulate() limit reached",
319 num_cycles);
320
321 while (1) {
322 // there should always be at least one event (the SimLoopExitEvent
323 // we just scheduled) in the queue
324 assert(!mainEventQueue.empty());
325 assert(curTick <= mainEventQueue.nextTick() &&
326 "event scheduled in the past");
327
328 // forward current cycle to the time of the first event on the
329 // queue
330 curTick = mainEventQueue.nextTick();
331 Event *exit_event = mainEventQueue.serviceOne();
332 if (exit_event != NULL) {
333 // hit some kind of exit event; return to Python
334 // event must be subclass of SimLoopExitEvent...
335 SimLoopExitEvent *se_event = dynamic_cast<SimLoopExitEvent *>(exit_event);
336 if (se_event == NULL)
337 panic("Bogus exit event class!");
338
339 // if we didn't hit limit_event, delete it
340 if (se_event != limit_event) {
341 assert(limit_event->scheduled());
342 limit_event->deschedule();
343 delete limit_event;
344 }
345
346 return se_event;
347 }
348
349 if (async_event) {
350 async_event = false;
351 if (async_dump) {
352 async_dump = false;
|
353
354 using namespace Stats;
355 SetupEvent(Dump, curTick);
| 353 Stats::StatEvent(true, false);
|
356 }
357
358 if (async_dumpreset) {
359 async_dumpreset = false;
| 354 }
355
356 if (async_dumpreset) {
357 async_dumpreset = false;
|
360
361 using namespace Stats;
362 SetupEvent(Dump | Reset, curTick);
| 358 Stats::StatEvent(true, true);
|
363 }
364
365 if (async_exit) {
366 async_exit = false;
367 exitSimLoop("user interrupt received");
368 }
369
370 if (async_io || async_alarm) {
371 async_io = false;
372 async_alarm = false;
373 pollQueue.service();
374 }
375
376 if (async_exception) {
377 async_exception = false;
378 return NULL;
379 }
380 }
381 }
382
383 // not reached... only exit is return on SimLoopExitEvent
384}
385
386Event *
387createCountedDrain()
388{
389 return new CountedDrainEvent();
390}
391
392void
393cleanupCountedDrain(Event *counted_drain)
394{
395 CountedDrainEvent *event =
396 dynamic_cast<CountedDrainEvent *>(counted_drain);
397 if (event == NULL) {
398 fatal("Called cleanupCountedDrain() on an event that was not "
399 "a CountedDrainEvent.");
400 }
401 assert(event->getCount() == 0);
402 delete event;
403}
404
405void
406serializeAll(const std::string &cpt_dir)
407{
408 Serializable::serializeAll(cpt_dir);
409}
410
411void
412unserializeAll(const std::string &cpt_dir)
413{
414 Serializable::unserializeAll(cpt_dir);
415}
416
417/**
418 * Queue of C++ callbacks to invoke on simulator exit.
419 */
420CallbackQueue&
421exitCallbacks()
422{
423 static CallbackQueue theQueue;
424 return theQueue;
425}
426
427/**
428 * Register an exit callback.
429 */
430void
431registerExitCallback(Callback *callback)
432{
433 exitCallbacks().add(callback);
434}
435
436BaseCPU *
437convertToBaseCPUPtr(SimObject *obj)
438{
439 BaseCPU *ptr = dynamic_cast<BaseCPU *>(obj);
440
441 if (ptr == NULL)
442 warn("Casting to BaseCPU pointer failed");
443 return ptr;
444}
445
446System *
447convertToSystemPtr(SimObject *obj)
448{
449 System *ptr = dynamic_cast<System *>(obj);
450
451 if (ptr == NULL)
452 warn("Casting to System pointer failed");
453 return ptr;
454}
455
456
457/**
458 * Do C++ simulator exit processing. Exported to SWIG to be invoked
459 * when simulator terminates via Python's atexit mechanism.
460 */
461void
462doExitCleanup()
463{
464 exitCallbacks().process();
465 exitCallbacks().clear();
466
467 cout.flush();
468
469 ParamContext::cleanupAllContexts();
470
471 // print simulation stats
| 359 }
360
361 if (async_exit) {
362 async_exit = false;
363 exitSimLoop("user interrupt received");
364 }
365
366 if (async_io || async_alarm) {
367 async_io = false;
368 async_alarm = false;
369 pollQueue.service();
370 }
371
372 if (async_exception) {
373 async_exception = false;
374 return NULL;
375 }
376 }
377 }
378
379 // not reached... only exit is return on SimLoopExitEvent
380}
381
382Event *
383createCountedDrain()
384{
385 return new CountedDrainEvent();
386}
387
388void
389cleanupCountedDrain(Event *counted_drain)
390{
391 CountedDrainEvent *event =
392 dynamic_cast<CountedDrainEvent *>(counted_drain);
393 if (event == NULL) {
394 fatal("Called cleanupCountedDrain() on an event that was not "
395 "a CountedDrainEvent.");
396 }
397 assert(event->getCount() == 0);
398 delete event;
399}
400
401void
402serializeAll(const std::string &cpt_dir)
403{
404 Serializable::serializeAll(cpt_dir);
405}
406
407void
408unserializeAll(const std::string &cpt_dir)
409{
410 Serializable::unserializeAll(cpt_dir);
411}
412
413/**
414 * Queue of C++ callbacks to invoke on simulator exit.
415 */
416CallbackQueue&
417exitCallbacks()
418{
419 static CallbackQueue theQueue;
420 return theQueue;
421}
422
423/**
424 * Register an exit callback.
425 */
426void
427registerExitCallback(Callback *callback)
428{
429 exitCallbacks().add(callback);
430}
431
432BaseCPU *
433convertToBaseCPUPtr(SimObject *obj)
434{
435 BaseCPU *ptr = dynamic_cast<BaseCPU *>(obj);
436
437 if (ptr == NULL)
438 warn("Casting to BaseCPU pointer failed");
439 return ptr;
440}
441
442System *
443convertToSystemPtr(SimObject *obj)
444{
445 System *ptr = dynamic_cast<System *>(obj);
446
447 if (ptr == NULL)
448 warn("Casting to System pointer failed");
449 return ptr;
450}
451
452
453/**
454 * Do C++ simulator exit processing. Exported to SWIG to be invoked
455 * when simulator terminates via Python's atexit mechanism.
456 */
457void
458doExitCleanup()
459{
460 exitCallbacks().process();
461 exitCallbacks().clear();
462
463 cout.flush();
464
465 ParamContext::cleanupAllContexts();
466
467 // print simulation stats
|
472 Stats::DumpNow();
| 468 Stats::dump();
|
473}
| 469}
|