2 * Copyright (c) 2000-2005 The Regents of The University of Michigan
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.
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.
28 * Authors: Nathan Binkert
36 #include "base/cprintf.hh"
37 #include "base/misc.hh"
38 #include "config/pythonhome.hh"
39 #include "python/swig/init.hh"
40 #include "sim/async.hh"
41 #include "sim/host.hh"
42 #include "sim/root.hh"
46 /// Stats signal handler.
48 dumpStatsHandler(int sigtype
)
51 async_statdump
= true;
55 dumprstStatsHandler(int sigtype
)
58 async_statdump
= true;
59 async_statreset
= true;
62 /// Exit signal handler.
64 exitNowHandler(int sigtype
)
70 /// Abort signal handler.
72 abortHandler(int sigtype
)
74 ccprintf(cerr
, "Program aborted at cycle %d\n", curTick
);
78 main(int argc
, char **argv
)
80 signal(SIGFPE
, SIG_IGN
); // may occur on misspeculated paths
81 signal(SIGTRAP
, SIG_IGN
);
82 signal(SIGUSR1
, dumpStatsHandler
); // dump intermediate stats
83 signal(SIGUSR2
, dumprstStatsHandler
); // dump and reset stats
84 signal(SIGINT
, exitNowHandler
); // dump final stats and exit
85 signal(SIGABRT
, abortHandler
);
87 Py_SetProgramName(argv
[0]);
89 // default path to m5 python code is the currently executing
90 // file... Python ZipImporter will find embedded zip archive.
91 // The M5_ARCHIVE environment variable can be used to override this.
92 char *m5_archive
= getenv("M5_ARCHIVE");
93 string pythonpath
= m5_archive
? m5_archive
: argv
[0];
95 char *oldpath
= getenv("PYTHONPATH");
96 if (oldpath
!= NULL
) {
98 pythonpath
+= oldpath
;
101 if (setenv("PYTHONPATH", pythonpath
.c_str(), true) == -1)
102 fatal("setenv: %s\n", strerror(errno
));
104 char *python_home
= getenv("PYTHONHOME");
106 python_home
= PYTHONHOME
;
107 Py_SetPythonHome(python_home
);
109 // initialize embedded Python interpreter
111 PySys_SetArgv(argc
, argv
);
113 // initialize SWIG modules
116 PyRun_SimpleString("import m5.main");
117 PyRun_SimpleString("m5.main.main()");
119 // clean up Python intepreter.