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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 531:f0fee3ba71d1
prev495:4db4702b0778
next537:d924be49e192
author nkeynes
date Mon Nov 19 08:47:39 2007 +0000 (12 years ago)
permissions -rw-r--r--
last change Move name-to-driver mappings to display.c and audio.c respectively
Move responsibility for invoking texcache_gl_init() to the driver
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     1 /**
     2  * $Id: main.c,v 1.35 2007-11-07 11:45:53 nkeynes Exp $
     3  *
     4  * Main program, initializes dreamcast and gui, then passes control off to
     5  * the gtk main loop (currently). 
     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 <unistd.h>
    21 #include <getopt.h>
    22 #include "dream.h"
    23 #include "config.h"
    24 #include "syscall.h"
    25 #include "mem.h"
    26 #include "dreamcast.h"
    27 #include "display.h"
    28 #include "loader.h"
    29 #include "gui.h"
    30 #include "aica/audio.h"
    31 #include "gdrom/gdrom.h"
    32 #include "maple/maple.h"
    33 #include "sh4/sh4core.h"
    35 #define S3M_PLAYER "s3mplay.bin"
    37 char *option_list = "a:m:s:A:V:puhbd:c:t:xD";
    38 struct option longopts[1] = { { NULL, 0, 0, 0 } };
    39 char *aica_program = NULL;
    40 char *s3m_file = NULL;
    41 const char *disc_file = NULL;
    42 char *display_driver_name = NULL;
    43 char *audio_driver_name = NULL;
    44 gboolean start_immediately = FALSE;
    45 gboolean headless = FALSE;
    46 gboolean without_bios = FALSE;
    47 gboolean use_xlat = TRUE;
    48 gboolean show_debugger = FALSE;
    49 uint32_t time_secs = 0;
    50 uint32_t time_nanos = 0;
    51 extern uint32_t sh4_cpu_multiplier;
    53 int main (int argc, char *argv[])
    54 {
    55     int opt, i;
    56     double t;
    57     gboolean display_ok;
    59     install_crash_handler();
    60 #ifdef ENABLE_NLS
    61     bindtextdomain (PACKAGE, PACKAGE_LOCALE_DIR);
    62     textdomain (PACKAGE);
    63 #endif
    64     display_ok = gui_parse_cmdline(&argc, &argv);
    66     while( (opt = getopt_long( argc, argv, option_list, longopts, NULL )) != -1 ) {
    67 	switch( opt ) {
    68 	case 'a': /* AICA only mode - argument is an AICA program */
    69 	    aica_program = optarg;
    70 	    break;
    71 	case 'c': /* Config file */
    72 	    lxdream_set_config_filename(optarg);
    73 	    break;
    74 	case 'd': /* Mount disc */
    75 	    disc_file = optarg;
    76 	    break;
    77 	case 'D': /* Launch w/ debugger */
    78 	    show_debugger = TRUE;
    79 	    break;
    80 	case 'm': /* Set SH4 CPU clock multiplier (default 0.5) */
    81 	    t = strtod(optarg, NULL);
    82 	    sh4_cpu_multiplier = (int)(1000.0/t);
    83 	    break;
    84 	case 's': /* AICA-only w/ S3M player */
    85 	    aica_program = S3M_PLAYER;
    86 	    s3m_file = optarg;
    87 	    break;
    88 	case 'A': /* Audio driver */
    89 	    audio_driver_name = optarg;
    90 	    break;
    91 	case 'V': /* Video driver */
    92 	    display_driver_name = optarg;
    93 	    break;
    94 	case 'p': /* Start immediately */
    95 	    start_immediately = TRUE;
    96     	    break;
    97 	case 'u': /* Allow unsafe dcload syscalls */
    98 	    dcload_set_allow_unsafe(TRUE);
    99 	    break;
   100     	case 'b': /* No BIOS */
   101     	    without_bios = TRUE;
   102     	    break;
   103         case 'h': /* Headless */
   104             headless = TRUE;
   105             break;
   106 	case 't': /* Time limit */
   107 	    t = strtod(optarg, NULL);
   108 	    time_secs = (uint32_t)t;
   109 	    time_nanos = (int)((t - time_secs) * 1000000000);
   110 	    break;
   111 	case 'x': /* Disable translator */
   112 	    use_xlat = FALSE;
   113 	    break;
   114 	}
   115     }
   117     lxdream_load_config( );
   119     if( aica_program == NULL ) {
   120 	dreamcast_init();
   121     } else {
   122 	dreamcast_configure_aica_only();
   123 	mem_load_block( aica_program, 0x00800000, 2048*1024 );
   124 	if( s3m_file != NULL ) {
   125 	    mem_load_block( s3m_file, 0x00810000, 2048*1024 - 0x10000 );
   126 	}
   127     }
   129     if( without_bios ) {
   130     	bios_install();
   131 	dcload_install();
   132     }
   134     audio_driver_t audio_driver = get_audio_driver_by_name(audio_driver_name);
   135     if( audio_driver == NULL ) {
   136 	ERROR( "Audio driver '%s' not found, aborting.", audio_driver_name );
   137 	exit(2);
   138     } else if( audio_set_driver( audio_driver, 44100, AUDIO_FMT_16ST ) == FALSE ) {
   139 	ERROR( "Failed to initialize audio driver '%s', using null driver", 
   140 	       audio_driver->name );
   141 	audio_set_driver( &audio_null_driver, 44100, AUDIO_FMT_16ST );
   142     }
   144     if( headless ) {
   145 	display_set_driver( &display_null_driver );
   146     } else {
   147 	gui_init(show_debugger);
   149 	display_driver_t display_driver = get_display_driver_by_name(display_driver_name);
   150 	if( display_driver == NULL ) {
   151 	    ERROR( "Video driver '%s' not found, aborting.", display_driver_name );
   152 	    exit(2);
   153 	} else if( display_set_driver( display_driver ) == FALSE ) {
   154 	    ERROR( "Video driver '%s' failed to initialize (could not connect to display?)", 
   155 		   display_driver->name );
   156 	    exit(2);
   157 	}
   158     }
   160     maple_reattach_all();
   161     INFO( "%s! ready...", APP_NAME );
   163     for( ; optind < argc; optind++ ) {
   164 	gboolean ok = gdrom_menu_open_file(argv[optind]);
   165 	if( !ok ) {
   166 	    ok = file_load_magic( argv[optind] );
   167 	}
   168 	if( !ok ) {
   169 	    ERROR( "Unrecognized file '%s'", argv[optind] );
   170 	}
   171 	start_immediately = ok;
   172     }
   174     if( disc_file != NULL ) {
   175 	gdrom_menu_open_file( disc_file );
   176     }
   178     if( gdrom_get_current_disc() == NULL ) {
   179 	disc_file = lxdream_get_config_value( CONFIG_GDROM );
   180 	if( disc_file != NULL ) {
   181 	    gdrom_menu_open_file( disc_file );
   182 	}
   183     }
   185     sh4_set_use_xlat( use_xlat );
   187     if( start_immediately ) {
   188 	if( time_nanos != 0 || time_secs != 0 ) {
   189 	    dreamcast_run_for(time_secs, time_nanos);
   190 	    return 0;
   191 	} else {
   192 	    dreamcast_run();
   193 	}
   194     }
   195     if( !headless ) {
   196 	gui_main_loop();
   197     }
   198     return 0;
   199 }
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