/*
+ * Copyright (c) 2012 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder. You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
* Copyright (c) 2000-2005 The Regents of The University of Michigan
* Copyright (c) 2008 The Hewlett-Packard Development Company
* All rights reserved.
#include <marshal.h>
#include <zlib.h>
-#include <csignal>
#include <iostream>
#include <list>
#include <string>
#include "base/cprintf.hh"
#include "base/misc.hh"
#include "base/types.hh"
+#include "config/have_protobuf.hh"
#include "sim/async.hh"
#include "sim/core.hh"
#include "sim/init.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;
-}
+#if HAVE_PROTOBUF
+#include <google/protobuf/stubs/common.h>
+#endif
-/// 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());
-}
-
-/*
- * M5 can do several special things when various signals are sent.
- * None are mandatory.
- */
-void
-initSignals()
-{
- // Floating point exceptions may happen on misspeculated paths, so
- // ignore them
- signal(SIGFPE, SIG_IGN);
-
- // We use SIGTRAP sometimes for debugging
- signal(SIGTRAP, SIG_IGN);
-
- // Dump intermediate stats
- signal(SIGUSR1, dumpStatsHandler);
-
- // Dump intermediate stats and reset them
- signal(SIGUSR2, dumprstStatsHandler);
-
- // Exit cleanly on Interrupt (Ctrl-C)
- signal(SIGINT, exitNowHandler);
-
- // Print out cycle number on abort
- signal(SIGABRT, abortHandler);
-}
+using namespace std;
// The python library is totally messed up with respect to constness,
// so make a simple macro to make life a little easier
EmbeddedPython *EmbeddedPython::importer = NULL;
PyObject *EmbeddedPython::importerModule = NULL;
EmbeddedPython::EmbeddedPython(const char *filename, const char *abspath,
- const char *modpath, const char *code, int zlen, int len)
+ const char *modpath, const unsigned char *code, int zlen, int len)
: filename(filename), abspath(abspath), modpath(modpath), code(code),
zlen(zlen), len(len)
{
return EmbeddedPython::initAll();
}
+/*
+ * Make the commands array weak so that they can be overridden (used
+ * by unit tests to specify a different python main function.
+ */
+const char * __attribute__((weak)) m5MainCommands[] = {
+ "import m5",
+ "m5.main()",
+ 0 // sentinel is required
+};
+
/*
* Start up the M5 simulator. This mostly vectors into the python
* main function.
int
m5Main(int argc, char **argv)
{
+#if HAVE_PROTOBUF
+ // Verify that the version of the protobuf library that we linked
+ // against is compatible with the version of the headers we
+ // compiled against.
+ GOOGLE_PROTOBUF_VERIFY_VERSION;
+#endif
+
PySys_SetArgv(argc, argv);
// We have to set things up in the special __main__ module
// import the main m5 module
PyObject *result;
- result = PyRun_String("import m5", Py_file_input, dict, dict);
- if (!result) {
- PyErr_Print();
- return 1;
- }
- Py_DECREF(result);
+ const char **command = m5MainCommands;
+
+ // evaluate each command in the m5MainCommands array (basically a
+ // bunch of python statements.
+ while (*command) {
+ result = PyRun_String(*command, Py_file_input, dict, dict);
+ if (!result) {
+ PyErr_Print();
+ return 1;
+ }
+ Py_DECREF(result);
- // Start m5
- result = PyRun_String("m5.main()", Py_file_input, dict, dict);
- if (!result) {
- PyErr_Print();
- return 1;
+ command++;
}
- Py_DECREF(result);
+
+#if HAVE_PROTOBUF
+ google::protobuf::ShutdownProtobufLibrary();
+#endif
return 0;
}