main.cc (2868:6a7e69fa92d3) main.cc (2889:9e367e03d656)
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;

--- 101 unchanged lines hidden (view full) ---

110 cerr << "Program aborted at cycle " << curTick << endl;
111
112#if TRACING_ON
113 // dump trace buffer, if there is one
114 Trace::theLog.dump(cerr);
115#endif
116}
117
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;

--- 101 unchanged lines hidden (view full) ---

110 cerr << "Program aborted at cycle " << curTick << endl;
111
112#if TRACING_ON
113 // dump trace buffer, if there is one
114 Trace::theLog.dump(cerr);
115#endif
116}
117
118/// Simulator executable name
119char *myProgName = "";
120
121/// Show brief help message.
122void
123showBriefHelp(ostream &out)
124{
125 char *prog = basename(myProgName);
126
127 ccprintf(out, "Usage:\n");
128 ccprintf(out,
129"%s [-p <path>] [-i ] [-h] <config file>\n"
130"\n"
131" -p, --path <path> prepends <path> to PYTHONPATH instead of using\n"
132" built-in zip archive. Useful when developing/debugging\n"
133" changes to built-in Python libraries, as the new Python\n"
134" can be tested without building a new m5 binary.\n\n"
135" -i, --interactive forces entry into interactive mode after the supplied\n"
136" script is executed (just like the -i option to the\n"
137" Python interpreter).\n\n"
138" -h Prints this help\n\n"
139" <configfile> config file name which ends in .py. (Normally you can\n"
140" run <configfile> --help to get help on that config files\n"
141" parameters.\n\n",
142 prog);
143
144}
145
146const char *briefCopyright =
147"Copyright (c) 2001-2006\n"
148"The Regents of The University of Michigan\n"
149"All Rights Reserved\n";
150
151/// Print welcome message.
152void
153sayHello(ostream &out)
154{
155 extern const char *compileDate; // from date.cc
156
157 ccprintf(out, "M5 Simulator System\n");
158 // display copyright
159 ccprintf(out, "%s\n", briefCopyright);
160 ccprintf(out, "M5 compiled %d\n", compileDate);
161 ccprintf(out, "M5 started %s\n", Time::start);
162
163 char *host = getenv("HOSTNAME");
164 if (!host)
165 host = getenv("HOST");
166
167 if (host)
168 ccprintf(out, "M5 executing on %s\n", host);
169}
170
171
172extern "C" { void init_cc_main(); }
173
174int
175main(int argc, char **argv)
176{
118extern "C" { void init_cc_main(); }
119
120int
121main(int argc, char **argv)
122{
177 // Saze off program name
178 myProgName = argv[0];
179
180 sayHello(cerr);
181
182 signal(SIGFPE, SIG_IGN); // may occur on misspeculated paths
183 signal(SIGTRAP, SIG_IGN);
184 signal(SIGUSR1, dumpStatsHandler); // dump intermediate stats
185 signal(SIGUSR2, dumprstStatsHandler); // dump and reset stats
186 signal(SIGINT, exitNowHandler); // dump final stats and exit
187 signal(SIGABRT, abortHandler);
188
189 Py_SetProgramName(argv[0]);
190
191 // default path to m5 python code is the currently executing
123 signal(SIGFPE, SIG_IGN); // may occur on misspeculated paths
124 signal(SIGTRAP, SIG_IGN);
125 signal(SIGUSR1, dumpStatsHandler); // dump intermediate stats
126 signal(SIGUSR2, dumprstStatsHandler); // dump and reset stats
127 signal(SIGINT, exitNowHandler); // dump final stats and exit
128 signal(SIGABRT, abortHandler);
129
130 Py_SetProgramName(argv[0]);
131
132 // default path to m5 python code is the currently executing
192 // file... Python ZipImporter will find embedded zip archive
193 char *pythonpath = argv[0];
133 // file... Python ZipImporter will find embedded zip archive.
134 // The M5_ARCHIVE environment variable can be used to override this.
135 char *m5_archive = getenv("M5_ARCHIVE");
136 string pythonpath = m5_archive ? m5_archive : argv[0];
194
137
195 bool interactive = false;
196 bool show_help = false;
197 bool getopt_done = false;
198 int opt_index = 0;
199
200 static struct option long_options[] = {
201 {"python", 1, 0, 'p'},
202 {"interactive", 0, 0, 'i'},
203 {"help", 0, 0, 'h'},
204 {0,0,0,0}
205 };
206
207 do {
208 switch (getopt_long(argc, argv, "+p:ih", long_options, &opt_index)) {
209 // -p <path> prepends <path> to PYTHONPATH instead of
210 // using built-in zip archive. Useful when
211 // developing/debugging changes to built-in Python
212 // libraries, as the new Python can be tested without
213 // building a new m5 binary.
214 case 'p':
215 pythonpath = optarg;
216 break;
217
218 // -i forces entry into interactive mode after the
219 // supplied script is executed (just like the -i option to
220 // the Python interpreter).
221 case 'i':
222 interactive = true;
223 break;
224
225 case 'h':
226 show_help = true;
227 break;
228 case -1:
229 getopt_done = true;
230 break;
231
232 default:
233 fatal("Unrecognized option %c\n", optopt);
234 }
235 } while (!getopt_done);
236
237 if (show_help) {
238 showBriefHelp(cerr);
239 exit(1);
240 }
241
242 // Fix up argc & argv to hide arguments we just processed.
243 // getopt() sets optind to the index of the first non-processed
244 // argv element.
245 argc -= optind;
246 argv += optind;
247
248 // Set up PYTHONPATH to make sure the m5 module is found
249 string newpath(pythonpath);
250
251 char *oldpath = getenv("PYTHONPATH");
252 if (oldpath != NULL) {
138 char *oldpath = getenv("PYTHONPATH");
139 if (oldpath != NULL) {
253 newpath += ":";
254 newpath += oldpath;
140 pythonpath += ":";
141 pythonpath += oldpath;
255 }
256
142 }
143
257 if (setenv("PYTHONPATH", newpath.c_str(), true) == -1)
144 if (setenv("PYTHONPATH", pythonpath.c_str(), true) == -1)
258 fatal("setenv: %s\n", strerror(errno));
259
260 // initialize embedded Python interpreter
261 Py_Initialize();
262 PySys_SetArgv(argc, argv);
263
264 // initialize SWIG 'cc_main' module
265 init_cc_main();
266
145 fatal("setenv: %s\n", strerror(errno));
146
147 // initialize embedded Python interpreter
148 Py_Initialize();
149 PySys_SetArgv(argc, argv);
150
151 // initialize SWIG 'cc_main' module
152 init_cc_main();
153
267 if (argc > 0) {
268 // extra arg(s): first is script file, remaining ones are args
269 // to script file
270 char *filename = argv[0];
271 FILE *fp = fopen(filename, "r");
272 if (!fp) {
273 fatal("cannot open file '%s'\n", filename);
274 }
154 PyRun_SimpleString("import m5");
155 PyRun_SimpleString("m5.main()");
275
156
276 PyRun_AnyFile(fp, filename);
277 } else {
278 // no script file argument... force interactive prompt
279 interactive = true;
280 }
281
282 if (interactive) {
283 // The following code to import readline was copied from Python
284 // 2.4.3's Modules/main.c.
285 // Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006
286 // Python Software Foundation; All Rights Reserved
287 // We should only enable this if we're actually using an
288 // interactive prompt.
289 PyObject *v;
290 v = PyImport_ImportModule("readline");
291 if (v == NULL)
292 PyErr_Clear();
293 else
294 Py_DECREF(v);
295
296 PyRun_InteractiveLoop(stdin, "stdin");
297 }
298
299 // clean up Python intepreter.
300 Py_Finalize();
301}
302
303
304void
305setOutputDir(const string &dir)
306{

--- 290 unchanged lines hidden --- 		157 // clean up Python intepreter.
158 Py_Finalize();
159}
160
161
162void
163setOutputDir(const string &dir)
164{

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