filename | src/main.c |
changeset | 1108:305ef2082079 |
prev | 1107:7b279d10f46f |
next | 1109:700c5ab26a63 |
author | nkeynes |
date | Fri Jun 04 09:13:40 2010 +1000 (13 years ago) |
permissions | -rw-r--r-- |
last change | Add ability to wrap a binary program up in a virtual cd image (so that we can boot it normally) |
view | annotate | diff | log | raw |
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/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:dfg:G:hHl:m:npt:T:uvV:w: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 { "fullscreen", no_argument, NULL, 'f' },
53 { "gdb-sh4", required_argument, NULL, 'g' },
54 { "gdb-arm", required_argument, NULL, 'G' },
55 { "help", no_argument, NULL, 'h' },
56 { "headless", no_argument, NULL, 'H' },
57 { "log", required_argument, NULL,'l' },
58 { "multiplier", required_argument, NULL, 'm' },
59 { "run-time", required_argument, NULL, 't' },
60 { "trace", required_argument, NULL, 'T' },
61 { "unsafe", no_argument, NULL, 'u' },
62 { "video", no_argument, NULL, 'V' },
63 { "version", no_argument, NULL, 'v' },
64 { "wrap", required_argument, NULL, 'w' },
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] [program-file]\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( " -d, --debugger %s\n", _("Start in debugger mode") );
97 printf( " -f, --fullscreen %s\n", _("Start in fullscreen mode") );
98 printf( " -g, --gdb-sh4=PORT %s\n", _("Start GDB remote server on PORT for SH4") );
99 printf( " -G, --gdb-arm=PORT %s\n", _("Start GDB remote server on PORT for ARM") );
100 printf( " -h, --help %s\n", _("Display this usage information") );
101 printf( " -H, --headless %s\n", _("Run in headless (no video) mode") );
102 printf( " -l, --log=LEVEL %s\n", _("Set the output log level") );
103 printf( " -m, --multiplier=SCALE %s\n", _("Set the SH4 multiplier (1.0 = fullspeed)") );
104 printf( " -n %s\n", _("Don't start running immediately") );
105 printf( " -p %s\n", _("Start running immediately on startup") );
106 printf( " -t, --run-time=SECONDS %s\n", _("Run for the specified number of seconds") );
107 printf( " -T, --trace=REGIONS %s\n", _("Output trace information for the named regions") );
108 printf( " -u, --unsafe %s\n", _("Allow unsafe dcload syscalls") );
109 printf( " -v, --version %s\n", _("Print the lxdream version string") );
110 printf( " -V, --video=DRIVER %s\n", _("Use the specified video driver (? to list)") );
111 printf( " -w, --wrap=FILENAME %s\n", _("Wrap the specified binary file in a disc image") );
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;
128 uint32_t time_secs, time_nanos;
129 const char *wrap_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 'f':
152 show_fullscreen = TRUE;
153 break;
154 case 'g':
155 sh4_gdb_port = optarg;
156 break;
157 case 'G':
158 arm_gdb_port = optarg;
159 break;
160 case 'h': /* help */
161 case '?':
162 print_usage();
163 exit(0);
164 break;
165 case 'H': /* Headless - shorthand for -V null */
166 display_driver_name = "null";
167 break;
168 case 'l': /* Log verbosity */
169 if( !set_global_log_level(optarg) ) {
170 ERROR( "Unrecognized log level '%s'", optarg );
171 }
172 break;
173 case 'm': /* Set SH4 CPU clock multiplier (default 0.5) */
174 t = strtod(optarg, NULL);
175 sh4_cpu_multiplier = (int)(1000.0/t);
176 break;
177 case 'n': /* Don't start immediately */
178 no_start = TRUE;
179 start_immediately = FALSE;
180 break;
181 case 'p': /* Start immediately */
182 start_immediately = TRUE;
183 no_start = FALSE;
184 break;
185 case 't': /* Time limit + auto quit */
186 t = strtod(optarg, NULL);
187 time_secs = (uint32_t)t;
188 time_nanos = (int)((t - time_secs) * 1000000000);
189 dreamcast_set_run_time( time_secs, time_nanos );
190 dreamcast_set_exit_on_stop( TRUE );
191 break;
192 case 'T': /* trace regions */
193 trace_regions = optarg;
194 set_global_log_level("trace");
195 break;
196 case 'u': /* Allow unsafe dcload syscalls */
197 dcload_set_allow_unsafe(TRUE);
198 break;
199 case 'v':
200 print_version();
201 exit(0);
202 break;
203 case 'V': /* Video driver */
204 display_driver_name = optarg;
205 break;
206 case 'w': /* Wrap image file */
207 wrap_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 if( wrap_name != NULL ) {
272 ERROR err;
273 cdrom_disc_t disc = cdrom_wrap_magic( CDROM_DISC_XA, wrap_name, &err );
274 if( disc == NULL )
275 ERROR(err.msg);
276 else {
277 gdrom_mount_disc(disc);
278 if( !no_start ) {
279 start_immediately = TRUE;
280 }
281 }
282 }
284 for( ; optind < argc; optind++ ) {
285 gboolean ok = gdrom_mount_image(argv[optind]);
286 if( !ok ) {
287 ok = file_load_magic( argv[optind] );
288 }
289 if( !ok ) {
290 ERROR( "Unrecognized file '%s'", argv[optind] );
291 }
292 if( !no_start ) {
293 start_immediately = ok;
294 }
295 }
297 if( gdrom_get_current_disc() == NULL ) {
298 gchar *disc_file = lxdream_get_global_config_path_value( CONFIG_GDROM );
299 if( disc_file != NULL ) {
300 gdrom_mount_image( disc_file );
301 g_free(disc_file);
302 }
303 }
305 sh4_translate_set_enabled( use_xlat );
307 /* If requested, start the gdb server immediately before we go into the main
308 * loop.
309 */
310 if( sh4_gdb_port != NULL ) {
311 gdb_init_server( NULL, strtol(sh4_gdb_port,NULL,0), &sh4_cpu_desc, TRUE );
312 }
313 if( arm_gdb_port != NULL ) {
314 gdb_init_server( NULL, strtol(arm_gdb_port,NULL,0), &arm_cpu_desc, TRUE );
315 }
317 if( headless ) {
318 dreamcast_run();
319 } else {
320 gui_main_loop( start_immediately && dreamcast_can_run() );
321 }
322 dreamcast_shutdown();
323 return 0;
324 }
.