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/*
* Copyright (c) 2000-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Nathan Binkert
*/
#include <Python.h>
#include <signal.h>
#include <iostream>
#include <string>
#include "base/cprintf.hh"
#include "base/misc.hh"
#include "config/pythonhome.hh"
#include "python/swig/init.hh"
#include "sim/async.hh"
#include "sim/host.hh"
#include "sim/core.hh"
using namespace std;
/// Stats signal handler.
void
dumpStatsHandler(int sigtype)
{
async_event = true;
async_statdump = true;
}
void
dumprstStatsHandler(int sigtype)
{
async_event = true;
async_statdump = true;
async_statreset = true;
}
/// Exit signal handler.
void
exitNowHandler(int sigtype)
{
async_event = true;
async_exit = true;
}
/// Abort signal handler.
void
abortHandler(int sigtype)
{
ccprintf(cerr, "Program aborted at cycle %d\n", curTick);
}
int
python_main()
{
PyObject *module;
PyObject *dict;
PyObject *result;
module = PyImport_AddModule(const_cast<char*>("__main__"));
if (module == NULL)
fatal("Could not import __main__");
dict = PyModule_GetDict(module);
result = PyRun_String("import m5.main", Py_file_input, dict, dict);
if (!result) {
PyErr_Print();
return 1;
}
Py_DECREF(result);
result = PyRun_String("m5.main.main()", Py_file_input, dict, dict);
if (!result) {
PyErr_Print();
return 1;
}
Py_DECREF(result);
if (Py_FlushLine())
PyErr_Clear();
return 0;
}
int
main(int argc, char **argv)
{
signal(SIGFPE, SIG_IGN); // may occur on misspeculated paths
signal(SIGTRAP, SIG_IGN);
signal(SIGUSR1, dumpStatsHandler); // dump intermediate stats
signal(SIGUSR2, dumprstStatsHandler); // dump and reset stats
signal(SIGINT, exitNowHandler); // dump final stats and exit
signal(SIGABRT, abortHandler);
Py_SetProgramName(argv[0]);
// default path to m5 python code is the currently executing
// 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) {
pythonpath += ":";
pythonpath += oldpath;
}
if (setenv("PYTHONPATH", pythonpath.c_str(), true) == -1)
fatal("setenv: %s\n", strerror(errno));
const char *python_home = getenv("PYTHONHOME");
if (!python_home)
python_home = PYTHONHOME;
Py_SetPythonHome(const_cast<char*>(python_home));
// initialize embedded Python interpreter
Py_Initialize();
PySys_SetArgv(argc, argv);
// initialize SWIG modules
init_swig();
int ret = python_main();
// clean up Python intepreter.
Py_Finalize();
return ret;
}
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