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root/cebix/SheepShaver/src/Unix/main_unix.cpp

Comparing SheepShaver/src/Unix/main_unix.cpp (file contents):
Revision 1.93 by asvitkine, 2011-12-28T20:21:40Z vs.
Revision 1.98 by asvitkine, 2011-12-30T17:38:39Z

#	Line 384 | Line 384 | static bool valid_vmdir(const char *path
384		return false;
385		}
386
387	<	int main(int argc, char **argv)
387	>	static void get_system_info(void)
388		{
389	–	char str[256];
390	–	int rom_fd;
391	–	FILE *proc_file;
392	–	const char *rom_path;
393	–	uint32 rom_size, actual;
394	–	uint8 *rom_tmp;
395	–	bool memory_mapped_from_zero, ram_rom_areas_contiguous;
396	–	const char *vmdir = NULL;
397	–
398	–	#ifdef USE_SDL_VIDEO
399	–	// Don't let SDL block the screensaver
400	–	setenv("SDL_VIDEO_ALLOW_SCREENSAVER", "1", TRUE);
401	–
402	–	// Make SDL pass through command-clicks and option-clicks unaltered
403	–	setenv("SDL_HAS3BUTTONMOUSE", "1", TRUE);
404	–	#endif
405	–
406	–	// Initialize variables
407	–	RAMBase = 0;
408	–	tzset();
409	–
410	–	// Print some info
411	–	printf(GetString(STR_ABOUT_TEXT1), VERSION_MAJOR, VERSION_MINOR);
412	–	printf(" %s\n", GetString(STR_ABOUT_TEXT2));
413	–
389		#if !EMULATED_PPC
390	<	#ifdef SYSTEM_CLOBBERS_R2
416	<	// Get TOC pointer
417	<	TOC = get_r2();
418	<	#endif
419	<	#ifdef SYSTEM_CLOBBERS_R13
420	<	// Get r13 register
421	<	R13 = get_r13();
422	<	#endif
423	<	#endif
424	<
425	<	// Parse command line arguments
426	<	for (int i=1; i<argc; i++) {
427	<	if (strcmp(argv[i], "--help") == 0) {
428	<	usage(argv[0]);
429	<	#ifndef USE_SDL_VIDEO
430	<	} else if (strcmp(argv[i], "--display") == 0) {
431	<	i++;
432	<	if (i < argc)
433	<	x_display_name = strdup(argv[i]);
434	<	#endif
435	<	} else if (strcmp(argv[i], "--gui-connection") == 0) {
436	<	argv[i++] = NULL;
437	<	if (i < argc) {
438	<	gui_connection_path = argv[i];
439	<	argv[i] = NULL;
440	<	}
441	<	} else if (valid_vmdir(argv[i])) {
442	<	vmdir = argv[i];
443	<	argv[i] = NULL;
444	<	printf("Using %s as vmdir.\n", vmdir);
445	<	if (chdir(vmdir)) {
446	<	printf("Failed to chdir to %s. Good bye.", vmdir);
447	<	exit(1);
448	<	}
449	<	break;
450	<	}
451	<	}
452	<
453	<	// Remove processed arguments
454	<	for (int i=1; i<argc; i++) {
455	<	int k;
456	<	for (k=i; k<argc; k++)
457	<	if (argv[k] != NULL)
458	<	break;
459	<	if (k > i) {
460	<	k -= i;
461	<	for (int j=i+k; j<argc; j++)
462	<	argv[j-k] = argv[j];
463	<	argc -= k;
464	<	}
465	<	}
466	<
467	<	// Connect to the external GUI
468	<	if (gui_connection_path) {
469	<	if ((gui_connection = rpc_init_client(gui_connection_path)) == NULL) {
470	<	fprintf(stderr, "Failed to initialize RPC client connection to the GUI\n");
471	<	return 1;
472	<	}
473	<	}
474	<
475	<	#ifdef ENABLE_GTK
476	<	if (!gui_connection) {
477	<	// Init GTK
478	<	gtk_set_locale();
479	<	gtk_init(&argc, &argv);
480	<	}
481	<	#endif
482	<
483	<	// Read preferences
484	<	PrefsInit(vmdir, argc, argv);
485	<
486	<	// Any command line arguments left?
487	<	for (int i=1; i<argc; i++) {
488	<	if (argv[i][0] == '-') {
489	<	fprintf(stderr, "Unrecognized option '%s'\n", argv[i]);
490	<	usage(argv[0]);
491	<	}
492	<	}
493	<
494	<	#ifdef USE_SDL
495	<	// Initialize SDL system
496	<	int sdl_flags = 0;
497	<	#ifdef USE_SDL_VIDEO
498	<	sdl_flags |= SDL_INIT_VIDEO;
499	<	#endif
500	<	#ifdef USE_SDL_AUDIO
501	<	sdl_flags |= SDL_INIT_AUDIO;
502	<	#endif
503	<	assert(sdl_flags != 0);
504	<	if (SDL_Init(sdl_flags) == -1) {
505	<	char str[256];
506	<	sprintf(str, "Could not initialize SDL: %s.\n", SDL_GetError());
507	<	ErrorAlert(str);
508	<	goto quit;
509	<	}
510	<	atexit(SDL_Quit);
511	<
512	<	// Don't let SDL catch SIGINT and SIGTERM signals
513	<	signal(SIGINT, SIG_DFL);
514	<	signal(SIGTERM, SIG_DFL);
515	<	#endif
516	<
517	<	#ifndef USE_SDL_VIDEO
518	<	// Open display
519	<	x_display = XOpenDisplay(x_display_name);
520	<	if (x_display == NULL) {
521	<	char str[256];
522	<	sprintf(str, GetString(STR_NO_XSERVER_ERR), XDisplayName(x_display_name));
523	<	ErrorAlert(str);
524	<	goto quit;
525	<	}
526	<
527	<	#if defined(ENABLE_XF86_DGA) && !defined(ENABLE_MON)
528	<	// Fork out, so we can return from fullscreen mode when things get ugly
529	<	XF86DGAForkApp(DefaultScreen(x_display));
530	<	#endif
531	<	#endif
532	<
533	<	#ifdef ENABLE_MON
534	<	// Initialize mon
535	<	mon_init();
536	<	#endif
537	<
538	<	#if !EMULATED_PPC
539	<	// Create and install stacks for signal handlers
540	<	sig_stack.ss_sp = malloc(SIG_STACK_SIZE);
541	<	D(bug("Signal stack at %p\n", sig_stack.ss_sp));
542	<	if (sig_stack.ss_sp == NULL) {
543	<	ErrorAlert(GetString(STR_NOT_ENOUGH_MEMORY_ERR));
544	<	goto quit;
545	<	}
546	<	sig_stack.ss_flags = 0;
547	<	sig_stack.ss_size = SIG_STACK_SIZE;
548	<	if (sigaltstack(&sig_stack, NULL) < 0) {
549	<	sprintf(str, GetString(STR_SIGALTSTACK_ERR), strerror(errno));
550	<	ErrorAlert(str);
551	<	goto quit;
552	<	}
553	<	extra_stack.ss_sp = malloc(SIG_STACK_SIZE);
554	<	D(bug("Extra stack at %p\n", extra_stack.ss_sp));
555	<	if (extra_stack.ss_sp == NULL) {
556	<	ErrorAlert(GetString(STR_NOT_ENOUGH_MEMORY_ERR));
557	<	goto quit;
558	<	}
559	<	extra_stack.ss_flags = 0;
560	<	extra_stack.ss_size = SIG_STACK_SIZE;
561	<	#endif
562	<
563	<	#if !EMULATED_PPC
564	<	// Install SIGSEGV and SIGBUS handlers
565	<	sigemptyset(&sigsegv_action.sa_mask);   // Block interrupts during SEGV handling
566	<	sigaddset(&sigsegv_action.sa_mask, SIGUSR2);
567	<	sigsegv_action.sa_sigaction = sigsegv_handler;
568	<	sigsegv_action.sa_flags = SA_ONSTACK | SA_SIGINFO;
569	<	#ifdef HAVE_SIGNAL_SA_RESTORER
570	<	sigsegv_action.sa_restorer = NULL;
571	<	#endif
572	<	if (sigaction(SIGSEGV, &sigsegv_action, NULL) < 0) {
573	<	sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIGSEGV", strerror(errno));
574	<	ErrorAlert(str);
575	<	goto quit;
576	<	}
577	<	if (sigaction(SIGBUS, &sigsegv_action, NULL) < 0) {
578	<	sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIGBUS", strerror(errno));
579	<	ErrorAlert(str);
580	<	goto quit;
581	<	}
582	<	#else
583	<	// Install SIGSEGV handler for CPU emulator
584	<	if (!sigsegv_install_handler(sigsegv_handler)) {
585	<	sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIGSEGV", strerror(errno));
586	<	ErrorAlert(str);
587	<	goto quit;
588	<	}
390	>	FILE *proc_file;
391		#endif
392
591	–	// Initialize VM system
592	–	vm_init();
593	–
594	–	// Get system info
393		PVR = 0x00040000;                       // Default: 604
394		CPUClockSpeed = 100000000;      // Default: 100MHz
395		BusClockSpeed = 100000000;      // Default: 100MHz
396		TimebaseSpeed =  25000000;      // Default:  25MHz
397	+
398		#if EMULATED_PPC
399		PVR = 0x000c0000;                       // Default: 7400 (with AltiVec)
400		#elif defined(__APPLE__) && defined(__MACH__)
#	Line 630 | Line 429 | int main(int argc, char **argv)
429		}
430		fclose(proc_file);
431		} else {
432	+	char str[256];
433		sprintf(str, GetString(STR_PROC_CPUINFO_WARN), strerror(errno));
434		WarningAlert(str);
435		}
#	Line 761 | Line 561 | int main(int argc, char **argv)
561		closedir(cpus_dir);
562		}
563		#endif
564	+
565		// Remap any newer G4/G5 processor to plain G4 for compatibility
566		switch (PVR >> 16) {
567		case 0x8000:                            // 7450
#	Line 775 | Line 576 | int main(int argc, char **argv)
576		break;
577		}
578		D(bug("PVR: %08x (assumed)\n", PVR));
579	+	}
580	+
581	+	static bool load_mac_rom(void)
582	+	{
583	+	uint32 rom_size, actual;
584	+	uint8 *rom_tmp;
585	+	const char *rom_path = PrefsFindString("rom");
586	+	int rom_fd = open(rom_path && *rom_path ? rom_path : ROM_FILE_NAME, O_RDONLY);
587	+	if (rom_fd < 0) {
588	+	rom_fd = open(ROM_FILE_NAME2, O_RDONLY);
589	+	if (rom_fd < 0) {
590	+	ErrorAlert(GetString(STR_NO_ROM_FILE_ERR));
591	+	return false;
592	+	}
593	+	}
594	+	printf("%s", GetString(STR_READING_ROM_FILE));
595	+	rom_size = lseek(rom_fd, 0, SEEK_END);
596	+	lseek(rom_fd, 0, SEEK_SET);
597	+	rom_tmp = new uint8[ROM_SIZE];
598	+	actual = read(rom_fd, (void *)rom_tmp, ROM_SIZE);
599	+	close(rom_fd);
600	+
601	+	// Decode Mac ROM
602	+	if (!DecodeROM(rom_tmp, actual)) {
603	+	if (rom_size != 4*1024*1024) {
604	+	ErrorAlert(GetString(STR_ROM_SIZE_ERR));
605	+	return false;
606	+	} else {
607	+	ErrorAlert(GetString(STR_ROM_FILE_READ_ERR));
608	+	return false;
609	+	}
610	+	}
611	+	delete[] rom_tmp;
612	+	return true;
613	+	}
614	+
615	+	static bool install_signal_handlers(void)
616	+	{
617	+	char str[256];
618	+	#if !EMULATED_PPC
619	+	// Create and install stacks for signal handlers
620	+	sig_stack.ss_sp = malloc(SIG_STACK_SIZE);
621	+	D(bug("Signal stack at %p\n", sig_stack.ss_sp));
622	+	if (sig_stack.ss_sp == NULL) {
623	+	ErrorAlert(GetString(STR_NOT_ENOUGH_MEMORY_ERR));
624	+	return false;
625	+	}
626	+	sig_stack.ss_flags = 0;
627	+	sig_stack.ss_size = SIG_STACK_SIZE;
628	+	if (sigaltstack(&sig_stack, NULL) < 0) {
629	+	sprintf(str, GetString(STR_SIGALTSTACK_ERR), strerror(errno));
630	+	ErrorAlert(str);
631	+	return false;
632	+	}
633	+	extra_stack.ss_sp = malloc(SIG_STACK_SIZE);
634	+	D(bug("Extra stack at %p\n", extra_stack.ss_sp));
635	+	if (extra_stack.ss_sp == NULL) {
636	+	ErrorAlert(GetString(STR_NOT_ENOUGH_MEMORY_ERR));
637	+	return false;
638	+	}
639	+	extra_stack.ss_flags = 0;
640	+	extra_stack.ss_size = SIG_STACK_SIZE;
641	+
642	+	// Install SIGSEGV and SIGBUS handlers
643	+	sigemptyset(&sigsegv_action.sa_mask);   // Block interrupts during SEGV handling
644	+	sigaddset(&sigsegv_action.sa_mask, SIGUSR2);
645	+	sigsegv_action.sa_sigaction = sigsegv_handler;
646	+	sigsegv_action.sa_flags = SA_ONSTACK | SA_SIGINFO;
647	+	#ifdef HAVE_SIGNAL_SA_RESTORER
648	+	sigsegv_action.sa_restorer = NULL;
649	+	#endif
650	+	if (sigaction(SIGSEGV, &sigsegv_action, NULL) < 0) {
651	+	sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIGSEGV", strerror(errno));
652	+	ErrorAlert(str);
653	+	return false;
654	+	}
655	+	if (sigaction(SIGBUS, &sigsegv_action, NULL) < 0) {
656	+	sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIGBUS", strerror(errno));
657	+	ErrorAlert(str);
658	+	return false;
659	+	}
660	+	#else
661	+	// Install SIGSEGV handler for CPU emulator
662	+	if (!sigsegv_install_handler(sigsegv_handler)) {
663	+	sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIGSEGV", strerror(errno));
664	+	ErrorAlert(str);
665	+	return false;
666	+	}
667	+	#endif
668	+	return true;
669	+	}
670	+
671	+	static bool init_sdl()
672	+	{
673	+	int sdl_flags = 0;
674	+	#ifdef USE_SDL_VIDEO
675	+	sdl_flags |= SDL_INIT_VIDEO;
676	+	#endif
677	+	#ifdef USE_SDL_AUDIO
678	+	sdl_flags |= SDL_INIT_AUDIO;
679	+	#endif
680	+	assert(sdl_flags != 0);
681	+
682	+	#ifdef USE_SDL_VIDEO
683	+	// Don't let SDL block the screensaver
684	+	setenv("SDL_VIDEO_ALLOW_SCREENSAVER", "1", TRUE);
685	+
686	+	// Make SDL pass through command-clicks and option-clicks unaltered
687	+	setenv("SDL_HAS3BUTTONMOUSE", "1", TRUE);
688	+	#endif
689	+
690	+	if (SDL_Init(sdl_flags) == -1) {
691	+	char str[256];
692	+	sprintf(str, "Could not initialize SDL: %s.\n", SDL_GetError());
693	+	ErrorAlert(str);
694	+	return false;
695	+	}
696	+	atexit(SDL_Quit);
697	+
698	+	// Don't let SDL catch SIGINT and SIGTERM signals
699	+	signal(SIGINT, SIG_DFL);
700	+	signal(SIGTERM, SIG_DFL);
701	+	return true;
702	+	}
703	+
704	+	int main(int argc, char **argv)
705	+	{
706	+	char str[256];
707	+	bool memory_mapped_from_zero, ram_rom_areas_contiguous;
708	+	const char *vmdir = NULL;
709	+
710	+	// Initialize variables
711	+	RAMBase = 0;
712	+	tzset();
713	+
714	+	// Print some info
715	+	printf(GetString(STR_ABOUT_TEXT1), VERSION_MAJOR, VERSION_MINOR);
716	+	printf(" %s\n", GetString(STR_ABOUT_TEXT2));
717	+
718	+	#if !EMULATED_PPC
719	+	#ifdef SYSTEM_CLOBBERS_R2
720	+	// Get TOC pointer
721	+	TOC = get_r2();
722	+	#endif
723	+	#ifdef SYSTEM_CLOBBERS_R13
724	+	// Get r13 register
725	+	R13 = get_r13();
726	+	#endif
727	+	#endif
728	+
729	+	// Parse command line arguments
730	+	for (int i=1; i<argc; i++) {
731	+	if (strcmp(argv[i], "--help") == 0) {
732	+	usage(argv[0]);
733	+	#ifndef USE_SDL_VIDEO
734	+	} else if (strcmp(argv[i], "--display") == 0) {
735	+	i++;
736	+	if (i < argc)
737	+	x_display_name = strdup(argv[i]);
738	+	#endif
739	+	} else if (strcmp(argv[i], "--gui-connection") == 0) {
740	+	argv[i++] = NULL;
741	+	if (i < argc) {
742	+	gui_connection_path = argv[i];
743	+	argv[i] = NULL;
744	+	}
745	+	} else if (valid_vmdir(argv[i])) {
746	+	vmdir = argv[i];
747	+	argv[i] = NULL;
748	+	printf("Using %s as vmdir.\n", vmdir);
749	+	if (chdir(vmdir)) {
750	+	printf("Failed to chdir to %s. Good bye.", vmdir);
751	+	exit(1);
752	+	}
753	+	break;
754	+	}
755	+	}
756	+
757	+	// Remove processed arguments
758	+	for (int i=1; i<argc; i++) {
759	+	int k;
760	+	for (k=i; k<argc; k++)
761	+	if (argv[k] != NULL)
762	+	break;
763	+	if (k > i) {
764	+	k -= i;
765	+	for (int j=i+k; j<argc; j++)
766	+	argv[j-k] = argv[j];
767	+	argc -= k;
768	+	}
769	+	}
770	+
771	+	// Connect to the external GUI
772	+	if (gui_connection_path) {
773	+	if ((gui_connection = rpc_init_client(gui_connection_path)) == NULL) {
774	+	fprintf(stderr, "Failed to initialize RPC client connection to the GUI\n");
775	+	return 1;
776	+	}
777	+	}
778	+
779	+	#ifdef ENABLE_GTK
780	+	if (!gui_connection) {
781	+	// Init GTK
782	+	gtk_set_locale();
783	+	gtk_init(&argc, &argv);
784	+	}
785	+	#endif
786	+
787	+	// Read preferences
788	+	PrefsInit(vmdir, argc, argv);
789	+
790	+	// Any command line arguments left?
791	+	for (int i=1; i<argc; i++) {
792	+	if (argv[i][0] == '-') {
793	+	fprintf(stderr, "Unrecognized option '%s'\n", argv[i]);
794	+	usage(argv[0]);
795	+	}
796	+	}
797	+
798	+	#ifdef USE_SDL
799	+	// Initialize SDL system
800	+	if (!init_sdl())
801	+	goto quit;
802	+	#endif
803	+
804	+	#ifndef USE_SDL_VIDEO
805	+	// Open display
806	+	x_display = XOpenDisplay(x_display_name);
807	+	if (x_display == NULL) {
808	+	char str[256];
809	+	sprintf(str, GetString(STR_NO_XSERVER_ERR), XDisplayName(x_display_name));
810	+	ErrorAlert(str);
811	+	goto quit;
812	+	}
813	+
814	+	#if defined(ENABLE_XF86_DGA) && !defined(ENABLE_MON)
815	+	// Fork out, so we can return from fullscreen mode when things get ugly
816	+	XF86DGAForkApp(DefaultScreen(x_display));
817	+	#endif
818	+	#endif
819	+
820	+	#ifdef ENABLE_MON
821	+	// Initialize mon
822	+	mon_init();
823	+	#endif
824	+
825	+	// Install signal handlers
826	+	if (!install_signal_handlers())
827	+	goto quit;
828	+
829	+	// Initialize VM system
830	+	vm_init();
831	+
832	+	// Get system info
833	+	get_system_info();
834
835		// Init system routines
836		SysInit();
#	Line 926 | Line 982 | int main(int argc, char **argv)
982		}
983
984		// Load Mac ROM
985	<	rom_path = PrefsFindString("rom");
986	<	rom_fd = open(rom_path && *rom_path ? rom_path : ROM_FILE_NAME, O_RDONLY);
931	<	if (rom_fd < 0) {
932	<	rom_fd = open(ROM_FILE_NAME2, O_RDONLY);
933	<	if (rom_fd < 0) {
934	<	ErrorAlert(GetString(STR_NO_ROM_FILE_ERR));
935	<	goto quit;
936	<	}
937	<	}
938	<	printf("%s", GetString(STR_READING_ROM_FILE));
939	<	rom_size = lseek(rom_fd, 0, SEEK_END);
940	<	lseek(rom_fd, 0, SEEK_SET);
941	<	rom_tmp = new uint8[ROM_SIZE];
942	<	actual = read(rom_fd, (void *)rom_tmp, ROM_SIZE);
943	<	close(rom_fd);
944	<
945	<	// Decode Mac ROM
946	<	if (!DecodeROM(rom_tmp, actual)) {
947	<	if (rom_size != 4*1024*1024) {
948	<	ErrorAlert(GetString(STR_ROM_SIZE_ERR));
949	<	goto quit;
950	<	} else {
951	<	ErrorAlert(GetString(STR_ROM_FILE_READ_ERR));
952	<	goto quit;
953	<	}
954	<	}
955	<	delete[] rom_tmp;
985	>	if (!load_mac_rom())
986	>	goto quit;
987
988		// Initialize everything
989		if (!InitAll(vmdir))

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