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lxdream.org :: lxdream/src/main.c
lxdream 0.9.1
released Jun 29
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filename src/main.c
changeset 866:86cd01c2b2d3
prev772:c0b5928dd600
next968:6fb1481859a4
author nkeynes
date Mon Oct 06 01:05:12 2008 +0000 (11 years ago)
permissions -rw-r--r--
last change Move bundle/system paths into paths.c, install lxdreamrc into the bundle
(Fix OSX bundle missing default configuration)
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     1 /**
     2  * $Id$
     3  *
     4  * Main program, initializes dreamcast and gui, then passes control off to
     5  * the main loop. 
     6  *
     7  * Copyright (c) 2005 Nathan Keynes.
     8  *
     9  * This program is free software; you can redistribute it and/or modify
    10  * it under the terms of the GNU General Public License as published by
    11  * the Free Software Foundation; either version 2 of the License, or
    12  * (at your option) any later version.
    13  *
    14  * This program is distributed in the hope that it will be useful,
    15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    17  * GNU General Public License for more details.
    18  */
    20 #include <stdlib.h>
    21 #include <unistd.h>
    22 #include <getopt.h>
    23 #include "lxdream.h"
    24 #include "gettext.h"
    25 #include "mem.h"
    26 #include "dreamcast.h"
    27 #include "dream.h"
    28 #include "display.h"
    29 #include "gui.h"
    30 #include "gdlist.h"
    31 #include "syscall.h"
    32 #include "loader.h"
    33 #include "aica/audio.h"
    34 #include "gdrom/gdrom.h"
    35 #include "maple/maple.h"
    36 #include "sh4/sh4.h"
    39 char *option_list = "a:A:c:dhHl:m:npt:T:uvV:x?";
    40 struct option longopts[] = {
    41         { "aica", required_argument, NULL, 'a' },
    42         { "audio", required_argument, NULL, 'A' },
    43         { "config", required_argument, NULL, 'c' },
    44         { "debugger", no_argument, NULL, 'D' },
    45         { "help", no_argument, NULL, 'h' },
    46         { "headless", no_argument, NULL, 'H' },
    47         { "log", required_argument, NULL,'l' }, 
    48         { "multiplier", required_argument, NULL, 'm' },
    49         { "run-time", required_argument, NULL, 't' },
    50         { "trace", required_argument, NULL, 'T' },
    51         { "unsafe", no_argument, NULL, 'u' },
    52         { "video", no_argument, NULL, 'V' },
    53         { "version", no_argument, NULL, 'v' }, 
    54         { NULL, 0, 0, 0 } };
    55 char *aica_program = NULL;
    56 char *display_driver_name = NULL;
    57 char *audio_driver_name = NULL;
    58 char *trace_regions = NULL;
    59 gboolean start_immediately = FALSE;
    60 gboolean no_start = FALSE;
    61 gboolean headless = FALSE;
    62 gboolean use_xlat = TRUE;
    63 gboolean show_debugger = FALSE;
    64 extern uint32_t sh4_cpu_multiplier;
    66 void print_version()
    67 {
    68     printf( "lxdream %s\n", lxdream_full_version );
    69 }
    71 void print_usage()
    72 {
    73     print_version();
    74     printf( "Usage: lxdream %s [options] [disc-file] [program-file]\n\n", lxdream_full_version );
    76     printf( "Options:\n" );
    77     printf( "   -a, --aica=PROGFILE    %s\n", _("Run the AICA SPU only, with the supplied program") );
    78     printf( "   -A, --audio=DRIVER     %s\n", _("Use the specified audio driver (? to list)") );
    79     printf( "   -c, --config=CONFFILE  %s\n", _("Load configuration from CONFFILE") );
    80     printf( "   -d, --debugger         %s\n", _("Start in debugger mode") );
    81     printf( "   -h, --help             %s\n", _("Display this usage information") );
    82     printf( "   -H, --headless         %s\n", _("Run in headless (no video) mode") );
    83     printf( "   -l, --log=LEVEL        %s\n", _("Set the output log level") );
    84     printf( "   -m, --multiplier=SCALE %s\n", _("Set the SH4 multiplier (1.0 = fullspeed)") );
    85     printf( "   -n                     %s\n", _("Don't start running immediately") );
    86     printf( "   -p                     %s\n", _("Start running immediately on startup") );
    87     printf( "   -t, --run-time=SECONDS %s\n", _("Run for the specified number of seconds") );
    88     printf( "   -T, --trace=REGIONS    %s\n", _("Output trace information for the named regions") );
    89     printf( "   -u, --unsafe           %s\n", _("Allow unsafe dcload syscalls") );
    90     printf( "   -v, --version          %s\n", _("Print the lxdream version string") );
    91     printf( "   -V, --video=DRIVER     %s\n", _("Use the specified video driver (? to list)") );
    92     printf( "   -x                     %s\n", _("Disable the SH4 translator") );
    93 }
    95 void bind_gettext_domain()
    96 {
    97 #ifdef ENABLE_NLS
    98     bindtextdomain( PACKAGE, get_locale_path() );
    99     textdomain(PACKAGE);
   100 #endif
   101 }
   103 int main (int argc, char *argv[])
   104 {
   105     int opt;
   106     double t;
   107     gboolean display_ok;
   108     uint32_t time_secs, time_nanos;
   110     install_crash_handler();
   111     bind_gettext_domain();
   112     display_ok = gui_parse_cmdline(&argc, &argv);
   114     while( (opt = getopt_long( argc, argv, option_list, longopts, NULL )) != -1 ) {
   115         switch( opt ) {
   116         case 'a': /* AICA only mode - argument is an AICA program */
   117             aica_program = optarg;
   118             break;
   119         case 'A': /* Audio driver */
   120             audio_driver_name = optarg;
   121             if( strcmp(audio_driver_name, "?") == 0 ) {
   122                 print_version();
   123                 print_audio_drivers(stdout);
   124                 exit(0);
   125             }
   126             break;
   127         case 'c': /* Config file */
   128             lxdream_set_config_filename(optarg);
   129             break;
   130         case 'd': /* Launch w/ debugger */
   131             show_debugger = TRUE;
   132             break;
   133         case 'h': /* help */
   134         case '?':
   135             print_usage();
   136             exit(0);
   137             break;
   138         case 'H': /* Headless - shorthand for -V null */
   139             display_driver_name = "null";
   140             break;
   141         case 'l': /* Log verbosity */
   142             if( !set_global_log_level(optarg) ) {
   143                 ERROR( "Unrecognized log level '%s'", optarg );
   144             }
   145             break;
   146         case 'm': /* Set SH4 CPU clock multiplier (default 0.5) */
   147             t = strtod(optarg, NULL);
   148             sh4_cpu_multiplier = (int)(1000.0/t);
   149             break;
   150         case 'n': /* Don't start immediately */
   151             no_start = TRUE;
   152             start_immediately = FALSE;
   153             break;
   154         case 'p': /* Start immediately */
   155             start_immediately = TRUE;
   156             no_start = FALSE;
   157             break;
   158         case 't': /* Time limit + auto quit */
   159             t = strtod(optarg, NULL);
   160             time_secs = (uint32_t)t;
   161             time_nanos = (int)((t - time_secs) * 1000000000);
   162             dreamcast_set_run_time( time_secs, time_nanos );
   163             dreamcast_set_exit_on_stop( TRUE );
   164             break;
   165         case 'T': /* trace regions */
   166             trace_regions = optarg;
   167             set_global_log_level("trace");
   168             break;
   169         case 'u': /* Allow unsafe dcload syscalls */
   170             dcload_set_allow_unsafe(TRUE);
   171             break;
   172         case 'v': 
   173             print_version();
   174             exit(0);
   175             break;
   176         case 'V': /* Video driver */
   177             display_driver_name = optarg;
   178             if( strcmp(display_driver_name,"?") == 0 ) {
   179                 print_version();
   180                 print_display_drivers(stdout);
   181                 exit(0);
   182             }
   183             break;
   184         case 'x': /* Disable translator */
   185             use_xlat = FALSE;
   186             break;
   187         }
   188     }
   190     lxdream_load_config( );
   191     gdrom_list_init();
   193     if( aica_program == NULL ) {
   194         dreamcast_init();
   195     } else {
   196         dreamcast_configure_aica_only();
   197         mem_load_block( aica_program, 0x00800000, 2048*1024 );
   198     }
   199     mem_set_trace( trace_regions, TRUE );
   201     audio_init_driver( audio_driver_name );
   203     headless = display_driver_name != NULL && strcasecmp( display_driver_name, "null" ) == 0;
   204     if( headless ) {
   205         display_set_driver( &display_null_driver );
   206     } else {
   207         gui_init(show_debugger);
   209         display_driver_t display_driver = get_display_driver_by_name(display_driver_name);
   210         if( display_driver == NULL ) {
   211             ERROR( "Video driver '%s' not found, aborting.", display_driver_name );
   212             exit(2);
   213         } else if( display_set_driver( display_driver ) == FALSE ) {
   214             ERROR( "Video driver '%s' failed to initialize (could not connect to display?)", 
   215                     display_driver->name );
   216             exit(2);
   217         }
   218     }
   220     maple_reattach_all();
   221     INFO( "%s! ready...", APP_NAME );
   223     for( ; optind < argc; optind++ ) {
   224         gboolean ok = gdrom_mount_image(argv[optind]);
   225         if( !ok ) {
   226             ok = file_load_magic( argv[optind] );
   227         }
   228         if( !ok ) {
   229             ERROR( "Unrecognized file '%s'", argv[optind] );
   230         }
   231         if( !no_start ) {
   232             start_immediately = ok;
   233         }
   234     }
   236     if( gdrom_get_current_disc() == NULL ) {
   237         const gchar *disc_file = lxdream_get_config_value( CONFIG_GDROM );
   238         if( disc_file != NULL ) {
   239             gdrom_mount_image( disc_file );
   240         }
   241     }
   243     sh4_translate_set_enabled( use_xlat );
   245     if( headless ) {
   246         dreamcast_run();
   247     } else {
   248         gui_main_loop( start_immediately && dreamcast_can_run() );
   249     }
   250     dreamcast_shutdown();
   251     return 0;
   252 }
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