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[/] [openrisc/] [trunk/] [or1ksim/] [toplevel.c] - Rev 248
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/* toplevel.c -- Top level simulator source file Copyright (C) 1999 Damjan Lampret, lampret@opencores.org Copyright (C) 2008 Embecosm Limited Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ /* This program is commented throughout in a fashion suitable for processing with Doxygen. */ /* Autoconf and/or portability configuration */ #include "config.h" /* System includes */ #include <stdlib.h> #include <unistd.h> #include <signal.h> /* Package includes */ #include "sim-config.h" #include "toplevel-support.h" #include "execute.h" /*---------------------------------------------------------------------------*/ /*!Main function Set up the standalone simulation. Initialize the default configuration and register all the sections that may appear in a user configuration. Then attempt to parse the args, configure the system from any configuration file specified and print out the configuration used. Add a signal hander, so ctrl-C will drop the user into the CLI. The initialize the simulator, call the appropriate main simulator function and when it returns tidy up. @param[in] argc The number of arguments to the command @param[in] argv The vector of argument strings @return The return code required from the simulator. This is actually achieved by calling exit() with the return code, rather than returning an explict value. */ /*---------------------------------------------------------------------------*/ int main (int argc, char *argv[]) { srand (getpid ()); init_defconfig (); reg_config_secs (); if (parse_args (argc, argv)) { exit (-1); /* Parse args will have printed any messages */ } print_config (); signal (SIGINT, ctrl_c); runtime.sim.hush = 1; do_stats = config.cpu.superscalar || config.cpu.dependstats || config.sim.history || config.sim.exe_log || config.sim.exe_bin_insn_log; sim_init (); #if DYNAMIC_EXECUTION dyn_main (); #else exec_main (); #endif sim_done (); exit (0); }
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