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;

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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.
27 */
28
29///
30/// @file sim/main.cc
31///
32#include <Python.h> // must be before system headers... see Python docs
33
34#include <sys/types.h>
35#include <sys/stat.h>
36#include <errno.h>
37#include <libgen.h>
38#include <stdlib.h>
39#include <signal.h>
40
41#include <list>
42#include <string>
43#include <vector>
44
45#include "base/inifile.hh"
46#include "base/misc.hh"
47#include "base/output.hh"
48#include "base/pollevent.hh"
49#include "base/statistics.hh"
50#include "base/str.hh"
51#include "base/time.hh"
52#include "cpu/base.hh"
53#include "cpu/smt.hh"
54#include "sim/async.hh"
55#include "sim/builder.hh"
56#include "sim/configfile.hh"
57#include "sim/host.hh"
58#include "sim/sim_events.hh"
59#include "sim/sim_exit.hh"
60#include "sim/sim_object.hh"
61#include "sim/stat_control.hh"

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105 // dump trace buffer, if there is one
106 Trace::theLog.dump(cerr);
107#endif
108}
109
110/// Simulator executable name
111char *myProgName = "";
112
113///
114/// Echo the command line for posterity in such a way that it can be
115/// used to rerun the same simulation (given the same .ini files).
116///
117void
118echoCommandLine(int argc, char **argv, ostream &out)
119{
120 out << "command line: " << argv[0];

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141 string rhs(body.substr(eq_pos + 1));
142
143 out << quote(lhs) << "=" << quote(rhs);
144 }
145 }
146 out << endl << endl;
147}
148
149#include "config/python_build_env.hh"
150
151int
152main(int argc, char **argv)
153{
154 // Save off program name
155 myProgName = argv[0];
156
157 signal(SIGFPE, SIG_IGN); // may occur on misspeculated paths
158 signal(SIGTRAP, SIG_IGN);
159 signal(SIGUSR1, dumpStatsHandler); // dump intermediate stats
160 signal(SIGUSR2, dumprstStatsHandler); // dump and reset stats
161 signal(SIGINT, exitNowHandler); // dump final stats and exit
162 signal(SIGABRT, abortHandler);
163
164 // Python embedded interpreter invocation
165 Py_SetProgramName(argv[0]);
166 const char *fileName = Py_GetProgramFullPath();
167 Py_Initialize();
168 PySys_SetArgv(argc, argv);
169
170 // loadSwigModules();
171
172 // Set Python module path to include current file to find embedded
173 // zip archive
174 PyRun_SimpleString("import sys");
175 string pathCmd = csprintf("sys.path[1:1] = ['%s']", fileName);
176 PyRun_SimpleString(pathCmd.c_str());
177
178 // Pass compile timestamp string to Python
179 extern const char *compileDate; // from date.cc
180 string setCompileDate = csprintf("compileDate = '%s'", compileDate);
181 PyRun_SimpleString(setCompileDate.c_str());
182
183 // PyRun_InteractiveLoop(stdin, "stdin");
184 // m5/__init__.py currently contains main argv parsing loop etc.,
185 // and will write out config.ini file before returning.
186 PyImport_ImportModule("defines");
187 PyImport_ImportModule("m5");
188 Py_Finalize();
189
190 configStream = simout.find("config.out");
191
192 // The configuration database is now complete; start processing it.
193 IniFile inifile;
194 inifile.load("config.ini");
195
196 // Initialize statistics database
197 Stats::InitSimStats();
198
199 // Now process the configuration hierarchy and create the SimObjects.
200 ConfigHierarchy configHierarchy(inifile);
201 configHierarchy.build();
202 configHierarchy.createSimObjects();
203
204 // Parse and check all non-config-hierarchy parameters.
205 ParamContext::parseAllContexts(inifile);
206 ParamContext::checkAllContexts();
207
208 // Echo command line and all parameter settings to stats file as well.
209 echoCommandLine(argc, argv, *outputStream);
210 ParamContext::showAllContexts(*configStream);
211
212 // Any objects that can't connect themselves until after construction should
213 // do so now
214 SimObject::connectAll();
215

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