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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 1116:09a69dfc7931
prev1111:742c073f353f
next1125:9dd5dee45db9
author nkeynes
date Wed Sep 08 08:43:15 2010 +1000 (11 years ago)
permissions -rw-r--r--
last change Actually report the error when the command-line disc or bin couldn't be loaded
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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 <libisofs.h>
    24 #include "lxdream.h"
    25 #include "lxpaths.h"
    26 #include "gettext.h"
    27 #include "mem.h"
    28 #include "dreamcast.h"
    29 #include "dream.h"
    30 #include "display.h"
    31 #include "gui.h"
    32 #include "gdlist.h"
    33 #include "syscall.h"
    34 #include "loader.h"
    35 #include "aica/audio.h"
    36 #include "gdrom/gdrom.h"
    37 #include "maple/maple.h"
    38 #include "sh4/sh4.h"
    39 #include "aica/armdasm.h"
    40 #include "vmu/vmulist.h"
    41 #include "serial.h"
    42 #include "hotkeys.h"
    43 #include "plugin.h"
    45 char *option_list = "a:A:bc:e:dfg:G:hHl:m:npt:T:uvV:x?";
    46 struct option longopts[] = {
    47         { "aica", required_argument, NULL, 'a' },
    48         { "audio", required_argument, NULL, 'A' },
    49         { "biosless", no_argument, NULL, 'b' },
    50         { "config", required_argument, NULL, 'c' },
    51         { "debugger", no_argument, NULL, 'd' },
    52         { "execute", required_argument, NULL, 'e' },
    53         { "fullscreen", no_argument, NULL, 'f' },
    54         { "gdb-sh4", required_argument, NULL, 'g' },  
    55         { "gdb-arm", required_argument, NULL, 'G' },  
    56         { "help", no_argument, NULL, 'h' },
    57         { "headless", no_argument, NULL, 'H' },
    58         { "log", required_argument, NULL,'l' }, 
    59         { "multiplier", required_argument, NULL, 'm' },
    60         { "run-time", required_argument, NULL, 't' },
    61         { "trace", required_argument, NULL, 'T' },
    62         { "unsafe", no_argument, NULL, 'u' },
    63         { "video", no_argument, NULL, 'V' },
    64         { "version", no_argument, NULL, 'v' }, 
    65         { NULL, 0, 0, 0 } };
    66 char *aica_program = NULL;
    67 char *display_driver_name = NULL;
    68 char *audio_driver_name = NULL;
    69 char *trace_regions = NULL;
    70 char *sh4_gdb_port = NULL;
    71 char *arm_gdb_port = NULL;
    72 gboolean start_immediately = FALSE;
    73 gboolean no_start = FALSE;
    74 gboolean headless = FALSE;
    75 gboolean use_xlat = TRUE;
    76 gboolean show_debugger = FALSE;
    77 gboolean show_fullscreen = FALSE;
    78 gboolean use_bootrom = TRUE;
    79 extern uint32_t sh4_cpu_multiplier;
    81 static void print_version()
    82 {
    83     printf( "lxdream %s\n", lxdream_full_version );
    84 }
    86 static void print_usage()
    87 {
    88     print_version();
    89     printf( "Usage: lxdream %s [options] [disc-file] [save-state]\n\n", lxdream_full_version );
    91     printf( "Options:\n" );
    92     printf( "   -a, --aica=PROGFILE    %s\n", _("Run the AICA SPU only, with the supplied program") );
    93     printf( "   -A, --audio=DRIVER     %s\n", _("Use the specified audio driver (? to list)") );
    94     printf( "   -b, --biosless         %s\n", _("Run without the BIOS boot rom even if available") );
    95     printf( "   -c, --config=CONFFILE  %s\n", _("Load configuration from CONFFILE") );
    96     printf( "   -e, --execute=PROGRAM  %s\n", _("Load and execute the given SH4 program") );
    97     printf( "   -d, --debugger         %s\n", _("Start in debugger mode") );
    98     printf( "   -f, --fullscreen       %s\n", _("Start in fullscreen mode") );
    99     printf( "   -g, --gdb-sh4=PORT     %s\n", _("Start GDB remote server on PORT for SH4") );
   100     printf( "   -G, --gdb-arm=PORT     %s\n", _("Start GDB remote server on PORT for ARM") );
   101     printf( "   -h, --help             %s\n", _("Display this usage information") );
   102     printf( "   -H, --headless         %s\n", _("Run in headless (no video) mode") );
   103     printf( "   -l, --log=LEVEL        %s\n", _("Set the output log level") );
   104     printf( "   -m, --multiplier=SCALE %s\n", _("Set the SH4 multiplier (1.0 = fullspeed)") );
   105     printf( "   -n                     %s\n", _("Don't start running immediately") );
   106     printf( "   -p                     %s\n", _("Start running immediately on startup") );
   107     printf( "   -t, --run-time=SECONDS %s\n", _("Run for the specified number of seconds") );
   108     printf( "   -T, --trace=REGIONS    %s\n", _("Output trace information for the named regions") );
   109     printf( "   -u, --unsafe           %s\n", _("Allow unsafe dcload syscalls") );
   110     printf( "   -v, --version          %s\n", _("Print the lxdream version string") );
   111     printf( "   -V, --video=DRIVER     %s\n", _("Use the specified video driver (? to list)") );
   112     printf( "   -x                     %s\n", _("Disable the SH4 translator") );
   113 }
   115 static void bind_gettext_domain()
   116 {
   117 #ifdef ENABLE_NLS
   118     bindtextdomain( PACKAGE, get_locale_path() );
   119     textdomain(PACKAGE);
   120 #endif
   121 }
   123 int main (int argc, char *argv[])
   124 {
   125     int opt;
   126     double t;
   127     gboolean display_ok, have_disc = FALSE, have_save = FALSE, have_exec = FALSE;
   128     uint32_t time_secs, time_nanos;
   129     const char *exec_name = NULL;
   131     install_crash_handler();
   132     bind_gettext_domain();
   133     display_ok = gui_parse_cmdline(&argc, &argv);
   135     while( (opt = getopt_long( argc, argv, option_list, longopts, NULL )) != -1 ) {
   136         switch( opt ) {
   137         case 'a': /* AICA only mode - argument is an AICA program */
   138             aica_program = optarg;
   139             break;
   140         case 'A': /* Audio driver */
   141             audio_driver_name = optarg;
   142             break;
   143         case 'b': /* No Boot rom */
   144             use_bootrom = FALSE;
   145         case 'c': /* Config file */
   146             lxdream_set_config_filename(optarg);
   147             break;
   148         case 'd': /* Launch w/ debugger */
   149             show_debugger = TRUE;
   150             break;
   151         case 'e':
   152             exec_name = optarg;
   153             break;
   154         case 'f':
   155             show_fullscreen = TRUE;
   156             break;
   157         case 'g':
   158             sh4_gdb_port = optarg;
   159             break;
   160         case 'G':
   161             arm_gdb_port = optarg;
   162             break;
   163         case 'h': /* help */
   164         case '?':
   165             print_usage();
   166             exit(0);
   167             break;
   168         case 'H': /* Headless - shorthand for -V null */
   169             display_driver_name = "null";
   170             break;
   171         case 'l': /* Log verbosity */
   172             if( !set_global_log_level(optarg) ) {
   173                 ERROR( "Unrecognized log level '%s'", optarg );
   174             }
   175             break;
   176         case 'm': /* Set SH4 CPU clock multiplier (default 0.5) */
   177             t = strtod(optarg, NULL);
   178             sh4_cpu_multiplier = (int)(1000.0/t);
   179             break;
   180         case 'n': /* Don't start immediately */
   181             no_start = TRUE;
   182             start_immediately = FALSE;
   183             break;
   184         case 'p': /* Start immediately */
   185             start_immediately = TRUE;
   186             no_start = FALSE;
   187             break;
   188         case 't': /* Time limit + auto quit */
   189             t = strtod(optarg, NULL);
   190             time_secs = (uint32_t)t;
   191             time_nanos = (int)((t - time_secs) * 1000000000);
   192             dreamcast_set_run_time( time_secs, time_nanos );
   193             dreamcast_set_exit_on_stop( TRUE );
   194             break;
   195         case 'T': /* trace regions */
   196             trace_regions = optarg;
   197             set_global_log_level("trace");
   198             break;
   199         case 'u': /* Allow unsafe dcload syscalls */
   200             dcload_set_allow_unsafe(TRUE);
   201             break;
   202         case 'v': 
   203             print_version();
   204             exit(0);
   205             break;
   206         case 'V': /* Video driver */
   207             display_driver_name = optarg;
   208             break;
   209         case 'x': /* Disable translator */
   210             use_xlat = FALSE;
   211             break;
   212         }
   213     }
   215 #ifdef ENABLE_SHARED
   216     plugin_init();
   217 #endif
   219     lxdream_make_config_dir( );
   220     lxdream_load_config( );
   222     if( audio_driver_name != NULL && strcmp(audio_driver_name, "?") == 0 ) {
   223         print_version();
   224         print_audio_drivers(stdout);
   225         exit(0);
   226     }
   228     if( display_driver_name != NULL && strcmp(display_driver_name,"?") == 0 ) {
   229         print_version();
   230         print_display_drivers(stdout);
   231         exit(0);
   232     }
   234     iso_init();
   235     gdrom_list_init();
   236     vmulist_init();
   238     if( aica_program == NULL ) {
   239         dreamcast_init(use_bootrom);
   240     } else {
   241         dreamcast_configure_aica_only();
   242         mem_load_block( aica_program, 0x00800000, 2048*1024 );
   243     }
   244     mem_set_trace( trace_regions, TRUE );
   246     audio_init_driver( audio_driver_name );
   248     headless = display_driver_name != NULL && strcasecmp( display_driver_name, "null" ) == 0;
   249     if( headless ) {
   250         display_set_driver( &display_null_driver );
   251     } else {
   252         gui_init(show_debugger, show_fullscreen);
   254         display_driver_t display_driver = get_display_driver_by_name(display_driver_name);
   255         if( display_driver == NULL ) {
   256             ERROR( "Video driver '%s' not found, aborting.", display_driver_name );
   257             exit(2);
   258         } else if( display_set_driver( display_driver ) == FALSE ) {
   259             ERROR( "Video driver '%s' failed to initialize (could not connect to display?)", 
   260                     display_driver->name );
   261             exit(2);
   262         }
   263     }
   265     hotkeys_init();
   266     serial_init();
   268     maple_reattach_all();
   269     INFO( "%s! ready...", APP_NAME );
   271     for( ; optind < argc; optind++ ) {
   272         ERROR err;
   273         lxdream_file_type_t type = file_identify(argv[optind], -1, &err);
   274         if( type == FILE_SAVE_STATE ) {
   275             if( have_save ) {
   276                 ERROR( "Multiple save states given on command-line, ignoring %s", argv[optind] );
   277             } else {
   278                 have_save = dreamcast_load_state(argv[optind]);
   279                 if( !have_save )
   280                     no_start = TRUE;
   281             }
   282         } else {
   283             if( have_disc ) {
   284                 ERROR( "Multiple GD-ROM discs given on command-line, ignoring %s", argv[optind] );
   285             } else {
   286                 have_disc = gdrom_mount_image(argv[optind], &err);
   287                 if( !have_disc ) {
   288                     ERROR( err.msg );
   289                     no_start = TRUE;
   290                 }
   291             }
   292         }
   293     }
   295     if( exec_name != NULL ) {
   296         ERROR err;
   297         if( have_save ) {
   298             ERROR( "Both a save state and an executable were specified, ignoring %s", exec_name );
   299         } else {
   300             have_exec = file_load_exec( exec_name, &err );
   301             if( !have_exec ) {
   302                 ERROR( err.msg );
   303                 no_start = TRUE;
   304             }
   305         }
   306     }
   308     if( !no_start && (have_exec || have_disc || have_save) ) {
   309         start_immediately = TRUE;
   310     }
   312     if( gdrom_get_current_disc() == NULL ) {
   313         ERROR err;
   314         gchar *disc_file = lxdream_get_global_config_path_value( CONFIG_GDROM );
   315         if( disc_file != NULL ) {
   316             gboolean ok = gdrom_mount_image( disc_file, &err );
   317             g_free(disc_file);
   318             if( !ok ) {
   319                 WARN( err.msg );
   320             }
   321         }
   322     }
   324     sh4_translate_set_enabled( use_xlat );
   326     /* If requested, start the gdb server immediately before we go into the main
   327      * loop.
   328      */
   329     if( sh4_gdb_port != NULL ) {
   330         gdb_init_server( NULL, strtol(sh4_gdb_port,NULL,0), &sh4_cpu_desc, TRUE );
   331     }
   332     if( arm_gdb_port != NULL ) {
   333         gdb_init_server( NULL, strtol(arm_gdb_port,NULL,0), &arm_cpu_desc, TRUE );
   334     }
   336     if( headless ) {
   337         dreamcast_run();
   338     } else {
   339         gui_main_loop( start_immediately && dreamcast_can_run() );
   340     }
   341     dreamcast_shutdown();
   342     return 0;
   343 }
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