Exemple #1
0
/* Check and parse config file */
int get_bootinfo(struct cfgdata_t *cfgdata)
{
	struct stat sinfo;

	/* Clean cfgdata structure */
	init_cfgdata(cfgdata);

	/* Parse config file */
	if (0 == parse_cfgfile(BOOTCFG_PATH, cfgdata)) {	/* Found and parsed */
		log_msg(lg, "+ config file found");
		/* Check kernel presence
		 * FIXME: we should stat every kernel or shouldn't stat at all
		if (0 == stat(cfgdata->kernelpath, &sinfo)) return 0;

		log_msg(lg, "+ config file points to non-existent kernel");
		return -1;
		*/
		return 0;

	} else {	/* No config file found. Check kernels. */

#ifdef USE_MACHINE_KERNEL
		/* Check machine kernel if set */
		if (NULL != machine_kernel) {
			if (0 == stat(machine_kernel, &sinfo)) {
				cfgdata_add_kernel(cfgdata, machine_kernel);
				log_msg(lg, "+ found machine kernel '%s'", machine_kernel);
				return 0;
			}
		}
#endif

		/* Check default kernels */
		char **kp;
		for (kp = default_kernels; NULL != *kp; kp++) {
			if (0 == stat(*kp, &sinfo)) {
				cfgdata_add_kernel(cfgdata, *kp);
				log_msg(lg, "+ found default kernel '%s'", *kp);
				return 0;
			}
		}
	}

	/* We have no kernels */
	log_msg(lg, "+ no config file nor any kernels found");
	return -1;
}
Exemple #2
0
int main(int argc, char **argv)
{
	int rc = 0;
	struct cfgdata_t cfg;
	struct params_t params;
	kx_inputs inputs;

	lg = log_open(16);
	log_msg(lg, "%s starting", PACKAGE_STRING);

	initmode = do_init();

	/* Get cmdline parameters */
	params.cfg = &cfg;
	init_cfgdata(&cfg);
	cfg.angle = 0;	/* No rotation by default */
	parse_cmdline(&cfg);

	kxb_ttydev = cfg.ttydev;
	setup_terminal(kxb_ttydev, &kxb_echo_state, 1);
	/* Setup function that will restore terminal when exit() will called */
	atexit(atexit_restore_terminal);

	log_msg(lg, "FB angle is %d, tty is %s", cfg.angle, cfg.ttydev);

#ifdef USE_MACHINE_KERNEL
	machine_kernel = get_machine_kernelpath();	/* FIXME should be passed as arg to get_bootinfo() */
#endif

#ifdef USE_DELAY
	/* extra delay for initializing slow SD/CF */
	sleep(USE_DELAY);
#endif

	int no_ui = 1;	/* UI presence flag */
#ifdef USE_FBMENU
	params.gui = NULL;
	if (no_ui) {
		params.gui = gui_init(cfg.angle);
		if (NULL == params.gui) {
			log_msg(lg, "Can't initialize GUI");
		} else no_ui = 0;
	}
#endif
#ifdef USE_TEXTUI
	FILE *ttyfp;
	params.tui = NULL;
	if (no_ui) {

		if (cfg.ttydev) ttyfp = fopen(cfg.ttydev, "w");
		else ttyfp = stdout;

		params.tui = tui_init(ttyfp);
		if (NULL == params.tui) {
			log_msg(lg, "Can't initialize TUI");
			if (ttyfp != stdout) fclose(ttyfp);
		} else no_ui = 0;
	}
#endif
	if (no_ui) exit(-1); /* Exit if no one UI was initialized */
	
	params.menu = build_menu(&params);
	params.bootcfg = NULL;
	scan_devices(&params);

	if (-1 == fill_menu(&params)) {
		exit(-1);
	}

	/* Collect input devices */
	inputs_init(&inputs, 8);
	inputs_open(&inputs);
	inputs_preprocess(&inputs);

	/* Run main event loop
	 * Return values: <0 - error, >=0 - selected item id */
	rc = do_main_loop(&params, &inputs);

#ifdef USE_FBMENU
	if (params.gui) {
		if (rc < 0) gui_clear(params.gui);
		gui_destroy(params.gui);
	}
#endif
#ifdef USE_TEXTUI
	if (params.tui) {
		tui_destroy(params.tui);
		if (ttyfp != stdout) fclose(ttyfp);
	}
#endif
	inputs_close(&inputs);
	inputs_clean(&inputs);

	log_close(lg);
	lg = NULL;

	/* rc < 0 indicate error */
	if (rc < 0) exit(rc);

	menu_destroy(params.menu, 0);

	if (rc >= A_DEVICES) {
		start_kernel(&params, rc - A_DEVICES);
	}

	/* When we reach this point then some error has occured */
	DPRINTF("We should not reach this point!");
	exit(-1);
}