#endif
}
-/// Simulator executable name
-char *myProgName = "";
-
-/// Show brief help message.
-void
-showBriefHelp(ostream &out)
-{
- char *prog = basename(myProgName);
-
- ccprintf(out, "Usage:\n");
- ccprintf(out,
-"%s [-p <path>] [-i ] [-h] <config file>\n"
-"\n"
-" -p, --path <path> prepends <path> to PYTHONPATH instead of using\n"
-" built-in zip archive. Useful when developing/debugging\n"
-" changes to built-in Python libraries, as the new Python\n"
-" can be tested without building a new m5 binary.\n\n"
-" -i, --interactive forces entry into interactive mode after the supplied\n"
-" script is executed (just like the -i option to the\n"
-" Python interpreter).\n\n"
-" -h Prints this help\n\n"
-" <configfile> config file name which ends in .py. (Normally you can\n"
-" run <configfile> --help to get help on that config files\n"
-" parameters.\n\n",
- prog);
-
-}
-
-const char *briefCopyright =
-"Copyright (c) 2001-2006\n"
-"The Regents of The University of Michigan\n"
-"All Rights Reserved\n";
-
-/// Print welcome message.
-void
-sayHello(ostream &out)
-{
- extern const char *compileDate; // from date.cc
-
- ccprintf(out, "M5 Simulator System\n");
- // display copyright
- ccprintf(out, "%s\n", briefCopyright);
- ccprintf(out, "M5 compiled %d\n", compileDate);
- ccprintf(out, "M5 started %s\n", Time::start);
-
- char *host = getenv("HOSTNAME");
- if (!host)
- host = getenv("HOST");
-
- if (host)
- ccprintf(out, "M5 executing on %s\n", host);
-}
-
-
extern "C" { void init_cc_main(); }
int
main(int argc, char **argv)
{
- // Saze off program name
- myProgName = argv[0];
-
- sayHello(cerr);
-
signal(SIGFPE, SIG_IGN); // may occur on misspeculated paths
signal(SIGTRAP, SIG_IGN);
signal(SIGUSR1, dumpStatsHandler); // dump intermediate stats
Py_SetProgramName(argv[0]);
// default path to m5 python code is the currently executing
- // file... Python ZipImporter will find embedded zip archive
- char *pythonpath = argv[0];
-
- bool interactive = false;
- bool show_help = false;
- bool getopt_done = false;
- int opt_index = 0;
-
- static struct option long_options[] = {
- {"python", 1, 0, 'p'},
- {"interactive", 0, 0, 'i'},
- {"help", 0, 0, 'h'},
- {0,0,0,0}
- };
-
- do {
- switch (getopt_long(argc, argv, "+p:ih", long_options, &opt_index)) {
- // -p <path> prepends <path> to PYTHONPATH instead of
- // using built-in zip archive. Useful when
- // developing/debugging changes to built-in Python
- // libraries, as the new Python can be tested without
- // building a new m5 binary.
- case 'p':
- pythonpath = optarg;
- break;
-
- // -i forces entry into interactive mode after the
- // supplied script is executed (just like the -i option to
- // the Python interpreter).
- case 'i':
- interactive = true;
- break;
-
- case 'h':
- show_help = true;
- break;
- case -1:
- getopt_done = true;
- break;
-
- default:
- fatal("Unrecognized option %c\n", optopt);
- }
- } while (!getopt_done);
-
- if (show_help) {
- showBriefHelp(cerr);
- exit(1);
- }
-
- // Fix up argc & argv to hide arguments we just processed.
- // getopt() sets optind to the index of the first non-processed
- // argv element.
- argc -= optind;
- argv += optind;
-
- // Set up PYTHONPATH to make sure the m5 module is found
- string newpath(pythonpath);
+ // file... Python ZipImporter will find embedded zip archive.
+ // The M5_ARCHIVE environment variable can be used to override this.
+ char *m5_archive = getenv("M5_ARCHIVE");
+ string pythonpath = m5_archive ? m5_archive : argv[0];
char *oldpath = getenv("PYTHONPATH");
if (oldpath != NULL) {
- newpath += ":";
- newpath += oldpath;
+ pythonpath += ":";
+ pythonpath += oldpath;
}
- if (setenv("PYTHONPATH", newpath.c_str(), true) == -1)
+ if (setenv("PYTHONPATH", pythonpath.c_str(), true) == -1)
fatal("setenv: %s\n", strerror(errno));
// initialize embedded Python interpreter
// initialize SWIG 'cc_main' module
init_cc_main();
- if (argc > 0) {
- // extra arg(s): first is script file, remaining ones are args
- // to script file
- char *filename = argv[0];
- FILE *fp = fopen(filename, "r");
- if (!fp) {
- fatal("cannot open file '%s'\n", filename);
- }
-
- PyRun_AnyFile(fp, filename);
- } else {
- // no script file argument... force interactive prompt
- interactive = true;
- }
-
- if (interactive) {
- // The following code to import readline was copied from Python
- // 2.4.3's Modules/main.c.
- // Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006
- // Python Software Foundation; All Rights Reserved
- // We should only enable this if we're actually using an
- // interactive prompt.
- PyObject *v;
- v = PyImport_ImportModule("readline");
- if (v == NULL)
- PyErr_Clear();
- else
- Py_DECREF(v);
-
- PyRun_InteractiveLoop(stdin, "stdin");
- }
+ PyRun_SimpleString("import m5");
+ PyRun_SimpleString("m5.main()");
// clean up Python intepreter.
Py_Finalize();
projects / gem5.git / blobdiff