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

Comparing SheepShaver/src/Unix/main_unix.cpp (file contents):
Revision 1.70 by gbeauche, 2005-07-06T04:58:34Z vs.
Revision 1.96 by asvitkine, 2011-12-28T23:30:25Z

#	Line 1 | Line 1
1		/*
2		*  main_unix.cpp - Emulation core, Unix implementation
3		*
4	<	*  SheepShaver (C) 1997-2005 Christian Bauer and Marc Hellwig
4	>	*  SheepShaver (C) Christian Bauer and Marc Hellwig
5		*
6		*  This program is free software; you can redistribute it and/or modify
7		*  it under the terms of the GNU General Public License as published by
#	Line 89 | Line 89
89		#include <sys/mman.h>
90		#include <sys/ipc.h>
91		#include <sys/shm.h>
92	+	#include <sys/stat.h>
93		#include <signal.h>
94
95		#include "sysdeps.h"
#	Line 110 | Line 111
111		#include "vm_alloc.h"
112		#include "sigsegv.h"
113		#include "sigregs.h"
114	+	#include "rpc.h"
115
116		#define DEBUG 0
117		#include "debug.h"
#	Line 134 | Line 136
136		#ifdef ENABLE_XF86_DGA
137		#include <X11/Xlib.h>
138		#include <X11/Xutil.h>
139	<	#include <X11/extensions/xf86dga.h>
139	>	#include <X11/extensions/Xxf86dga.h>
140		#endif
141
142		#ifdef ENABLE_MON
#	Line 159 | Line 161
161		const char ROM_FILE_NAME[] = "ROM";
162		const char ROM_FILE_NAME2[] = "Mac OS ROM";
163
164	<	#if REAL_ADDRESSING
163	<	const uintptr RAM_BASE = 0x20000000;            // Base address of RAM
164	<	#else
164	>	#if !REAL_ADDRESSING
165		// FIXME: needs to be >= 0x04000000
166		const uintptr RAM_BASE = 0x10000000;            // Base address of RAM
167		#endif
168	+	const uintptr ROM_BASE = 0x40800000;            // Base address of ROM
169	+	#if REAL_ADDRESSING
170	+	const uint32 ROM_ALIGNMENT = 0x100000;          // ROM must be aligned to a 1MB boundary
171	+	#endif
172		const uint32 SIG_STACK_SIZE = 0x10000;          // Size of signal stack
173
174
#	Line 175 | Line 179 | void *R13 = NULL;              // Pointer to .sdata
179		#endif
180		uint32 RAMBase;                 // Base address of Mac RAM
181		uint32 RAMSize;                 // Size of Mac RAM
182	+	uint32 ROMBase;                 // Base address of Mac ROM
183		uint32 KernelDataAddr;  // Address of Kernel Data
184		uint32 BootGlobsAddr;   // Address of BootGlobs structure at top of Mac RAM
185		uint32 DRCacheAddr;             // Address of DR Cache
#	Line 224 | Line 229 | static uintptr sig_stack = 0;                          // Stac
229		#else
230		static struct sigaction sigsegv_action;         // Data access exception signal (of emulator thread)
231		static struct sigaction sigill_action;          // Illegal instruction signal (of emulator thread)
232	<	static struct sigaltstack sig_stack;            // Stack for signal handlers
233	<	static struct sigaltstack extra_stack;          // Stack for SIGSEGV inside interrupt handler
232	>	static stack_t sig_stack;                                       // Stack for signal handlers
233	>	static stack_t extra_stack;                                     // Stack for SIGSEGV inside interrupt handler
234		static bool emul_thread_fatal = false;          // Flag: MacOS thread crashed, tick thread shall dump debug output
235		static sigregs sigsegv_regs;                            // Register dump when crashed
236		static const char *crash_reason = NULL;         // Reason of the crash (SIGSEGV, SIGBUS, SIGILL)
237		#endif
238
239	+	static rpc_connection_t *gui_connection = NULL; // RPC connection to the GUI
240	+	static const char *gui_connection_path = NULL;  // GUI connection identifier
241	+
242		uint32  SheepMem::page_size;                            // Size of a native page
243		uintptr SheepMem::zero_page = 0;                        // Address of ro page filled in with zeros
244		uintptr SheepMem::base = 0x60000000;            // Address of SheepShaver data
#	Line 249 | Line 257 | static void *tick_func(void *arg);
257		extern void emul_ppc(uint32 start);
258		extern void init_emul_ppc(void);
259		extern void exit_emul_ppc(void);
260	<	sigsegv_return_t sigsegv_handler(sigsegv_address_t, sigsegv_address_t);
260	>	sigsegv_return_t sigsegv_handler(sigsegv_info_t *sip);
261		#else
262		extern "C" void sigusr2_handler_init(int sig, siginfo_t *sip, void *scp);
263		extern "C" void sigusr2_handler(int sig, siginfo_t *sip, void *scp);
#	Line 332 | Line 340 | int atomic_or(int *var, int v)
340		*  Memory management helpers
341		*/
342
343	<	static inline int vm_mac_acquire(uint32 addr, uint32 size)
343	>	static inline uint8 *vm_mac_acquire(uint32 size)
344	>	{
345	>	return (uint8 *)vm_acquire(size);
346	>	}
347	>
348	>	static inline int vm_mac_acquire_fixed(uint32 addr, uint32 size)
349		{
350		return vm_acquire_fixed(Mac2HostAddr(addr), size);
351		}
#	Line 356 | Line 369 | static void usage(const char *prg_name)
369		exit(0);
370		}
371
372	<	int main(int argc, char **argv)
372	>	static bool valid_vmdir(const char *path)
373		{
374	<	char str[256];
375	<	int rom_fd;
376	<	FILE *proc_file;
377	<	const char *rom_path;
378	<	uint32 rom_size, actual;
379	<	uint8 *rom_tmp;
380	<	time_t now, expire;
381	<
369	<	// Initialize variables
370	<	RAMBase = 0;
371	<	tzset();
372	<
373	<	// Print some info
374	<	printf(GetString(STR_ABOUT_TEXT1), VERSION_MAJOR, VERSION_MINOR);
375	<	printf(" %s\n", GetString(STR_ABOUT_TEXT2));
376	<
377	<	#if !EMULATED_PPC
378	<	#ifdef SYSTEM_CLOBBERS_R2
379	<	// Get TOC pointer
380	<	TOC = get_r2();
381	<	#endif
382	<	#ifdef SYSTEM_CLOBBERS_R13
383	<	// Get r13 register
384	<	R13 = get_r13();
385	<	#endif
386	<	#endif
387	<
388	<	#ifdef ENABLE_GTK
389	<	// Init GTK
390	<	gtk_set_locale();
391	<	gtk_init(&argc, &argv);
392	<	#endif
393	<
394	<	// Read preferences
395	<	PrefsInit(argc, argv);
396	<
397	<	// Parse command line arguments
398	<	for (int i=1; i<argc; i++) {
399	<	if (strcmp(argv[i], "--help") == 0) {
400	<	usage(argv[0]);
401	<	#ifndef USE_SDL_VIDEO
402	<	} else if (strcmp(argv[i], "--display") == 0) {
403	<	i++;
404	<	if (i < argc)
405	<	x_display_name = strdup(argv[i]);
406	<	#endif
407	<	} else if (argv[i][0] == '-') {
408	<	fprintf(stderr, "Unrecognized option '%s'\n", argv[i]);
409	<	usage(argv[0]);
374	>	const int suffix_len = sizeof(".sheepvm") - 1;
375	>	int len = strlen(path);
376	>	if (len && path[len - 1] == '/') // to support both ".sheepvm" and ".sheepvm/"
377	>	len--;
378	>	if (len > suffix_len && !strncmp(path + len - suffix_len, ".sheepvm", suffix_len)) {
379	>	struct stat d;
380	>	if (!stat(path, &d) && S_ISDIR(d.st_mode)) {
381	>	return true;
382		}
383		}
384	+	return false;
385	+	}
386
387	<	#ifdef USE_SDL
388	<	// Initialize SDL system
415	<	int sdl_flags = 0;
416	<	#ifdef USE_SDL_VIDEO
417	<	sdl_flags |= SDL_INIT_VIDEO;
418	<	#endif
419	<	#ifdef USE_SDL_AUDIO
420	<	sdl_flags |= SDL_INIT_AUDIO;
421	<	#endif
422	<	assert(sdl_flags != 0);
423	<	if (SDL_Init(sdl_flags) == -1) {
424	<	char str[256];
425	<	sprintf(str, "Could not initialize SDL: %s.\n", SDL_GetError());
426	<	ErrorAlert(str);
427	<	goto quit;
428	<	}
429	<	atexit(SDL_Quit);
430	<	#endif
431	<
432	<	#ifndef USE_SDL_VIDEO
433	<	// Open display
434	<	x_display = XOpenDisplay(x_display_name);
435	<	if (x_display == NULL) {
436	<	char str[256];
437	<	sprintf(str, GetString(STR_NO_XSERVER_ERR), XDisplayName(x_display_name));
438	<	ErrorAlert(str);
439	<	goto quit;
440	<	}
441	<
442	<	#if defined(ENABLE_XF86_DGA) && !defined(ENABLE_MON)
443	<	// Fork out, so we can return from fullscreen mode when things get ugly
444	<	XF86DGAForkApp(DefaultScreen(x_display));
445	<	#endif
446	<	#endif
447	<
448	<	#ifdef ENABLE_MON
449	<	// Initialize mon
450	<	mon_init();
451	<	#endif
452	<
453	<	#if !EMULATED_PPC
454	<	// Create and install stacks for signal handlers
455	<	sig_stack.ss_sp = malloc(SIG_STACK_SIZE);
456	<	D(bug("Signal stack at %p\n", sig_stack.ss_sp));
457	<	if (sig_stack.ss_sp == NULL) {
458	<	ErrorAlert(GetString(STR_NOT_ENOUGH_MEMORY_ERR));
459	<	goto quit;
460	<	}
461	<	sig_stack.ss_flags = 0;
462	<	sig_stack.ss_size = SIG_STACK_SIZE;
463	<	if (sigaltstack(&sig_stack, NULL) < 0) {
464	<	sprintf(str, GetString(STR_SIGALTSTACK_ERR), strerror(errno));
465	<	ErrorAlert(str);
466	<	goto quit;
467	<	}
468	<	extra_stack.ss_sp = malloc(SIG_STACK_SIZE);
469	<	D(bug("Extra stack at %p\n", extra_stack.ss_sp));
470	<	if (extra_stack.ss_sp == NULL) {
471	<	ErrorAlert(GetString(STR_NOT_ENOUGH_MEMORY_ERR));
472	<	goto quit;
473	<	}
474	<	extra_stack.ss_flags = 0;
475	<	extra_stack.ss_size = SIG_STACK_SIZE;
476	<	#endif
477	<
387	>	static void get_system_info(void)
388	>	{
389		#if !EMULATED_PPC
390	<	// Install SIGSEGV and SIGBUS handlers
480	<	sigemptyset(&sigsegv_action.sa_mask);   // Block interrupts during SEGV handling
481	<	sigaddset(&sigsegv_action.sa_mask, SIGUSR2);
482	<	sigsegv_action.sa_sigaction = sigsegv_handler;
483	<	sigsegv_action.sa_flags = SA_ONSTACK | SA_SIGINFO;
484	<	#ifdef HAVE_SIGNAL_SA_RESTORER
485	<	sigsegv_action.sa_restorer = NULL;
486	<	#endif
487	<	if (sigaction(SIGSEGV, &sigsegv_action, NULL) < 0) {
488	<	sprintf(str, GetString(STR_SIGSEGV_INSTALL_ERR), strerror(errno));
489	<	ErrorAlert(str);
490	<	goto quit;
491	<	}
492	<	if (sigaction(SIGBUS, &sigsegv_action, NULL) < 0) {
493	<	sprintf(str, GetString(STR_SIGSEGV_INSTALL_ERR), strerror(errno));
494	<	ErrorAlert(str);
495	<	goto quit;
496	<	}
497	<	#else
498	<	// Install SIGSEGV handler for CPU emulator
499	<	if (!sigsegv_install_handler(sigsegv_handler)) {
500	<	sprintf(str, GetString(STR_SIGSEGV_INSTALL_ERR), strerror(errno));
501	<	ErrorAlert(str);
502	<	goto quit;
503	<	}
390	>	FILE *proc_file;
391		#endif
392
506	–	// Initialize VM system
507	–	vm_init();
508	–
509	–	// 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 589 | Line 473 | int main(int argc, char **argv)
473		{ 0xffff0000, 0x80010000, "7455" },
474		{ 0xffff0000, 0x80020000, "7457" },
475		{ 0xffff0000, 0x80030000, "7447A" },
476	+	{ 0xffff0000, 0x80040000, "7448" },
477		{ 0x7fff0000, 0x00810000, "82xx" },
478		{ 0x7fff0000, 0x00820000, "8280" },
479		{ 0xffff0000, 0x00400000, "Power3 (630)" },
#	Line 597 | Line 482 | int main(int argc, char **argv)
482		{ 0xffff0000, 0x00370000, "S-star" },
483		{ 0xffff0000, 0x00350000, "Power4" },
484		{ 0xffff0000, 0x00390000, "PPC970" },
485	<	{ 0xffff0000, 0x003a0000, "POWER5" },
485	>	{ 0xffff0000, 0x003c0000, "PPC970FX" },
486	>	{ 0xffff0000, 0x00440000, "PPC970MP" },
487	>	{ 0xffff0000, 0x003a0000, "POWER5 (gr)" },
488	>	{ 0xffff0000, 0x003b0000, "POWER5+ (gs)" },
489	>	{ 0xffff0000, 0x003e0000, "POWER6" },
490	>	{ 0xffff0000, 0x00700000, "Cell Broadband Engine" },
491	>	{ 0x7fff0000, 0x00900000, "PA6T" },
492		{ 0, 0, 0 }
493		};
494
#	Line 611 | Line 502 | int main(int argc, char **argv)
502
503		// Parse line
504		int i;
505	+	float f;
506		char value[256];
507	<	if (sscanf(line, "cpu : %[0-9A-Za-a]", value) == 1) {
507	>	if (sscanf(line, "cpu : %[^,]", value) == 1) {
508		// Search by name
509		const char *cpu_name = NULL;
510		for (int i = 0; cpu_specs[i].pvr_mask != 0; i++) {
#	Line 627 | Line 519 | int main(int argc, char **argv)
519		else
520		printf("Found a PowerPC %s processor\n", cpu_name);
521		}
522	<	if (sscanf(line, "clock : %dMHz", &i) == 1)
522	>	if (sscanf(line, "clock : %fMHz", &f) == 1)
523	>	CPUClockSpeed = BusClockSpeed = ((int64)f) * 1000000;
524	>	else if (sscanf(line, "clock : %dMHz", &i) == 1)
525		CPUClockSpeed = BusClockSpeed = i * 1000000;
526		}
527		fclose(proc_file);
#	Line 666 | Line 560 | int main(int argc, char **argv)
560		closedir(cpus_dir);
561		}
562		#endif
563	+
564		// Remap any newer G4/G5 processor to plain G4 for compatibility
565		switch (PVR >> 16) {
566		case 0x8000:                            // 7450
567		case 0x8001:                            // 7455
568		case 0x8002:                            // 7457
569		case 0x8003:                            // 7447A
570	+	case 0x8004:                            // 7448
571		case 0x0039:                            //  970
572	+	case 0x003c:                            //  970FX
573	+	case 0x0044:                            //  970MP
574		PVR = 0x000c0000;               // 7400
575		break;
576		}
577		D(bug("PVR: %08x (assumed)\n", PVR));
578	+	}
579	+
580	+	static bool load_mac_rom(void)
581	+	{
582	+	uint32 rom_size, actual;
583	+	uint8 *rom_tmp;
584	+	const char *rom_path = PrefsFindString("rom");
585	+	int rom_fd = open(rom_path && *rom_path ? rom_path : ROM_FILE_NAME, O_RDONLY);
586	+	if (rom_fd < 0) {
587	+	rom_fd = open(ROM_FILE_NAME2, O_RDONLY);
588	+	if (rom_fd < 0) {
589	+	ErrorAlert(GetString(STR_NO_ROM_FILE_ERR));
590	+	return false;
591	+	}
592	+	}
593	+	printf("%s", GetString(STR_READING_ROM_FILE));
594	+	rom_size = lseek(rom_fd, 0, SEEK_END);
595	+	lseek(rom_fd, 0, SEEK_SET);
596	+	rom_tmp = new uint8[ROM_SIZE];
597	+	actual = read(rom_fd, (void *)rom_tmp, ROM_SIZE);
598	+	close(rom_fd);
599	+
600	+	// Decode Mac ROM
601	+	if (!DecodeROM(rom_tmp, actual)) {
602	+	if (rom_size != 4*1024*1024) {
603	+	ErrorAlert(GetString(STR_ROM_SIZE_ERR));
604	+	return false;
605	+	} else {
606	+	ErrorAlert(GetString(STR_ROM_FILE_READ_ERR));
607	+	return false;
608	+	}
609	+	}
610	+	delete[] rom_tmp;
611	+	return true;
612	+	}
613	+
614	+	static bool install_signal_handlers(void)
615	+	{
616	+	char str[256];
617	+	#if !EMULATED_PPC
618	+	// Create and install stacks for signal handlers
619	+	sig_stack.ss_sp = malloc(SIG_STACK_SIZE);
620	+	D(bug("Signal stack at %p\n", sig_stack.ss_sp));
621	+	if (sig_stack.ss_sp == NULL) {
622	+	ErrorAlert(GetString(STR_NOT_ENOUGH_MEMORY_ERR));
623	+	return false;
624	+	}
625	+	sig_stack.ss_flags = 0;
626	+	sig_stack.ss_size = SIG_STACK_SIZE;
627	+	if (sigaltstack(&sig_stack, NULL) < 0) {
628	+	sprintf(str, GetString(STR_SIGALTSTACK_ERR), strerror(errno));
629	+	ErrorAlert(str);
630	+	return false;
631	+	}
632	+	extra_stack.ss_sp = malloc(SIG_STACK_SIZE);
633	+	D(bug("Extra stack at %p\n", extra_stack.ss_sp));
634	+	if (extra_stack.ss_sp == NULL) {
635	+	ErrorAlert(GetString(STR_NOT_ENOUGH_MEMORY_ERR));
636	+	return false;
637	+	}
638	+	extra_stack.ss_flags = 0;
639	+	extra_stack.ss_size = SIG_STACK_SIZE;
640	+
641	+	// Install SIGSEGV and SIGBUS handlers
642	+	sigemptyset(&sigsegv_action.sa_mask);   // Block interrupts during SEGV handling
643	+	sigaddset(&sigsegv_action.sa_mask, SIGUSR2);
644	+	sigsegv_action.sa_sigaction = sigsegv_handler;
645	+	sigsegv_action.sa_flags = SA_ONSTACK | SA_SIGINFO;
646	+	#ifdef HAVE_SIGNAL_SA_RESTORER
647	+	sigsegv_action.sa_restorer = NULL;
648	+	#endif
649	+	if (sigaction(SIGSEGV, &sigsegv_action, NULL) < 0) {
650	+	sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIGSEGV", strerror(errno));
651	+	ErrorAlert(str);
652	+	return false;
653	+	}
654	+	if (sigaction(SIGBUS, &sigsegv_action, NULL) < 0) {
655	+	sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIGBUS", strerror(errno));
656	+	ErrorAlert(str);
657	+	return false;
658	+	}
659	+	#else
660	+	// Install SIGSEGV handler for CPU emulator
661	+	if (!sigsegv_install_handler(sigsegv_handler)) {
662	+	sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIGSEGV", strerror(errno));
663	+	ErrorAlert(str);
664	+	return false;
665	+	}
666	+	#endif
667	+	return true;
668	+	}
669	+
670	+	int main(int argc, char **argv)
671	+	{
672	+	char str[256];
673	+	bool memory_mapped_from_zero, ram_rom_areas_contiguous;
674	+	const char *vmdir = NULL;
675	+
676	+	#ifdef USE_SDL_VIDEO
677	+	// Don't let SDL block the screensaver
678	+	setenv("SDL_VIDEO_ALLOW_SCREENSAVER", "1", TRUE);
679	+
680	+	// Make SDL pass through command-clicks and option-clicks unaltered
681	+	setenv("SDL_HAS3BUTTONMOUSE", "1", TRUE);
682	+	#endif
683	+
684	+	// Initialize variables
685	+	RAMBase = 0;
686	+	tzset();
687	+
688	+	// Print some info
689	+	printf(GetString(STR_ABOUT_TEXT1), VERSION_MAJOR, VERSION_MINOR);
690	+	printf(" %s\n", GetString(STR_ABOUT_TEXT2));
691	+
692	+	#if !EMULATED_PPC
693	+	#ifdef SYSTEM_CLOBBERS_R2
694	+	// Get TOC pointer
695	+	TOC = get_r2();
696	+	#endif
697	+	#ifdef SYSTEM_CLOBBERS_R13
698	+	// Get r13 register
699	+	R13 = get_r13();
700	+	#endif
701	+	#endif
702	+
703	+	// Parse command line arguments
704	+	for (int i=1; i<argc; i++) {
705	+	if (strcmp(argv[i], "--help") == 0) {
706	+	usage(argv[0]);
707	+	#ifndef USE_SDL_VIDEO
708	+	} else if (strcmp(argv[i], "--display") == 0) {
709	+	i++;
710	+	if (i < argc)
711	+	x_display_name = strdup(argv[i]);
712	+	#endif
713	+	} else if (strcmp(argv[i], "--gui-connection") == 0) {
714	+	argv[i++] = NULL;
715	+	if (i < argc) {
716	+	gui_connection_path = argv[i];
717	+	argv[i] = NULL;
718	+	}
719	+	} else if (valid_vmdir(argv[i])) {
720	+	vmdir = argv[i];
721	+	argv[i] = NULL;
722	+	printf("Using %s as vmdir.\n", vmdir);
723	+	if (chdir(vmdir)) {
724	+	printf("Failed to chdir to %s. Good bye.", vmdir);
725	+	exit(1);
726	+	}
727	+	break;
728	+	}
729	+	}
730	+
731	+	// Remove processed arguments
732	+	for (int i=1; i<argc; i++) {
733	+	int k;
734	+	for (k=i; k<argc; k++)
735	+	if (argv[k] != NULL)
736	+	break;
737	+	if (k > i) {
738	+	k -= i;
739	+	for (int j=i+k; j<argc; j++)
740	+	argv[j-k] = argv[j];
741	+	argc -= k;
742	+	}
743	+	}
744	+
745	+	// Connect to the external GUI
746	+	if (gui_connection_path) {
747	+	if ((gui_connection = rpc_init_client(gui_connection_path)) == NULL) {
748	+	fprintf(stderr, "Failed to initialize RPC client connection to the GUI\n");
749	+	return 1;
750	+	}
751	+	}
752	+
753	+	#ifdef ENABLE_GTK
754	+	if (!gui_connection) {
755	+	// Init GTK
756	+	gtk_set_locale();
757	+	gtk_init(&argc, &argv);
758	+	}
759	+	#endif
760	+
761	+	// Read preferences
762	+	PrefsInit(vmdir, argc, argv);
763	+
764	+	// Any command line arguments left?
765	+	for (int i=1; i<argc; i++) {
766	+	if (argv[i][0] == '-') {
767	+	fprintf(stderr, "Unrecognized option '%s'\n", argv[i]);
768	+	usage(argv[0]);
769	+	}
770	+	}
771	+
772	+	#ifdef USE_SDL
773	+	// Initialize SDL system
774	+	int sdl_flags = 0;
775	+	#ifdef USE_SDL_VIDEO
776	+	sdl_flags |= SDL_INIT_VIDEO;
777	+	#endif
778	+	#ifdef USE_SDL_AUDIO
779	+	sdl_flags |= SDL_INIT_AUDIO;
780	+	#endif
781	+	assert(sdl_flags != 0);
782	+	if (SDL_Init(sdl_flags) == -1) {
783	+	char str[256];
784	+	sprintf(str, "Could not initialize SDL: %s.\n", SDL_GetError());
785	+	ErrorAlert(str);
786	+	goto quit;
787	+	}
788	+	atexit(SDL_Quit);
789	+
790	+	// Don't let SDL catch SIGINT and SIGTERM signals
791	+	signal(SIGINT, SIG_DFL);
792	+	signal(SIGTERM, SIG_DFL);
793	+	#endif
794	+
795	+	#ifndef USE_SDL_VIDEO
796	+	// Open display
797	+	x_display = XOpenDisplay(x_display_name);
798	+	if (x_display == NULL) {
799	+	char str[256];
800	+	sprintf(str, GetString(STR_NO_XSERVER_ERR), XDisplayName(x_display_name));
801	+	ErrorAlert(str);
802	+	goto quit;
803	+	}
804	+
805	+	#if defined(ENABLE_XF86_DGA) && !defined(ENABLE_MON)
806	+	// Fork out, so we can return from fullscreen mode when things get ugly
807	+	XF86DGAForkApp(DefaultScreen(x_display));
808	+	#endif
809	+	#endif
810	+
811	+	#ifdef ENABLE_MON
812	+	// Initialize mon
813	+	mon_init();
814	+	#endif
815	+
816	+	// Install signal handlers
817	+	if (!install_signal_handlers())
818	+	goto quit;
819	+
820	+	// Initialize VM system
821	+	vm_init();
822	+
823	+	// Get system info
824	+	get_system_info();
825
826		// Init system routines
827		SysInit();
#	Line 699 | Line 844 | int main(int argc, char **argv)
844		goto quit;
845		}
846
702	–	#ifndef PAGEZERO_HACK
703	–	// Create Low Memory area (0x0000..0x3000)
704	–	if (vm_mac_acquire(0, 0x3000) < 0) {
705	–	sprintf(str, GetString(STR_LOW_MEM_MMAP_ERR), strerror(errno));
706	–	ErrorAlert(str);
707	–	goto quit;
708	–	}
709	–	lm_area_mapped = true;
710	–	#endif
711	–
847		// Create areas for Kernel Data
848		if (!kernel_data_init())
849		goto quit;
#	Line 719 | Line 854 | int main(int argc, char **argv)
854		D(bug("Emulator Data at %p (%08x)\n", emulator_data, KERNEL_DATA_BASE + offsetof(KernelData, ed)));
855
856		// Create area for DR Cache
857	<	if (vm_mac_acquire(DR_EMULATOR_BASE, DR_EMULATOR_SIZE) < 0) {
857	>	if (vm_mac_acquire_fixed(DR_EMULATOR_BASE, DR_EMULATOR_SIZE) < 0) {
858		sprintf(str, GetString(STR_DR_EMULATOR_MMAP_ERR), strerror(errno));
859		ErrorAlert(str);
860		goto quit;
861		}
862		dr_emulator_area_mapped = true;
863	<	if (vm_mac_acquire(DR_CACHE_BASE, DR_CACHE_SIZE) < 0) {
863	>	if (vm_mac_acquire_fixed(DR_CACHE_BASE, DR_CACHE_SIZE) < 0) {
864		sprintf(str, GetString(STR_DR_CACHE_MMAP_ERR), strerror(errno));
865		ErrorAlert(str);
866		goto quit;
#	Line 747 | Line 882 | int main(int argc, char **argv)
882		ErrorAlert(str);
883		goto quit;
884		}
885	<
751	<	// Create area for Mac ROM
752	<	if (vm_mac_acquire(ROM_BASE, ROM_AREA_SIZE) < 0) {
753	<	sprintf(str, GetString(STR_ROM_MMAP_ERR), strerror(errno));
754	<	ErrorAlert(str);
755	<	goto quit;
756	<	}
757	<	ROMBaseHost = Mac2HostAddr(ROM_BASE);
758	<	#if !EMULATED_PPC
759	<	if (vm_protect(ROMBaseHost, ROM_AREA_SIZE, VM_PAGE_READ | VM_PAGE_WRITE | VM_PAGE_EXECUTE) < 0) {
760	<	sprintf(str, GetString(STR_ROM_MMAP_ERR), strerror(errno));
761	<	ErrorAlert(str);
762	<	goto quit;
763	<	}
764	<	#endif
765	<	rom_area_mapped = true;
766	<	D(bug("ROM area at %p (%08x)\n", ROMBaseHost, ROM_BASE));
767	<
885	>
886		// Create area for Mac RAM
887		RAMSize = PrefsFindInt32("ramsize");
888		if (RAMSize < 8*1024*1024) {
889		WarningAlert(GetString(STR_SMALL_RAM_WARN));
890		RAMSize = 8*1024*1024;
891		}
892	<
893	<	if (vm_mac_acquire(RAM_BASE, RAMSize) < 0) {
894	<	sprintf(str, GetString(STR_RAM_MMAP_ERR), strerror(errno));
895	<	ErrorAlert(str);
896	<	goto quit;
892	>	memory_mapped_from_zero = false;
893	>	ram_rom_areas_contiguous = false;
894	>	#if REAL_ADDRESSING && HAVE_LINKER_SCRIPT
895	>	if (vm_mac_acquire_fixed(0, RAMSize) == 0) {
896	>	D(bug("Could allocate RAM from 0x0000\n"));
897	>	RAMBase = 0;
898	>	RAMBaseHost = Mac2HostAddr(RAMBase);
899	>	memory_mapped_from_zero = true;
900	>	}
901	>	#endif
902	>	if (!memory_mapped_from_zero) {
903	>	#ifndef PAGEZERO_HACK
904	>	// Create Low Memory area (0x0000..0x3000)
905	>	if (vm_mac_acquire_fixed(0, 0x3000) < 0) {
906	>	sprintf(str, GetString(STR_LOW_MEM_MMAP_ERR), strerror(errno));
907	>	ErrorAlert(str);
908	>	goto quit;
909	>	}
910	>	lm_area_mapped = true;
911	>	#endif
912	>	#if REAL_ADDRESSING
913	>	// Allocate RAM at any address. Since ROM must be higher than RAM, allocate the RAM
914	>	// and ROM areas contiguously, plus a little extra to allow for ROM address alignment.
915	>	RAMBaseHost = vm_mac_acquire(RAMSize + ROM_AREA_SIZE + ROM_ALIGNMENT);
916	>	if (RAMBaseHost == VM_MAP_FAILED) {
917	>	sprintf(str, GetString(STR_RAM_ROM_MMAP_ERR), strerror(errno));
918	>	ErrorAlert(str);
919	>	goto quit;
920	>	}
921	>	RAMBase = Host2MacAddr(RAMBaseHost);
922	>	ROMBase = (RAMBase + RAMSize + ROM_ALIGNMENT -1) & -ROM_ALIGNMENT;
923	>	ROMBaseHost = Mac2HostAddr(ROMBase);
924	>	ram_rom_areas_contiguous = true;
925	>	#else
926	>	if (vm_mac_acquire_fixed(RAM_BASE, RAMSize) < 0) {
927	>	sprintf(str, GetString(STR_RAM_MMAP_ERR), strerror(errno));
928	>	ErrorAlert(str);
929	>	goto quit;
930	>	}
931	>	RAMBase = RAM_BASE;
932	>	RAMBaseHost = Mac2HostAddr(RAMBase);
933	>	#endif
934		}
780	–	RAMBaseHost = Mac2HostAddr(RAM_BASE);
935		#if !EMULATED_PPC
936		if (vm_protect(RAMBaseHost, RAMSize, VM_PAGE_READ | VM_PAGE_WRITE | VM_PAGE_EXECUTE) < 0) {
937		sprintf(str, GetString(STR_RAM_MMAP_ERR), strerror(errno));
#	Line 785 | Line 939 | int main(int argc, char **argv)
939		goto quit;
940		}
941		#endif
788	–	RAMBase = RAM_BASE;
942		ram_area_mapped = true;
943		D(bug("RAM area at %p (%08x)\n", RAMBaseHost, RAMBase));
944
945	<	if (RAMBase > ROM_BASE) {
946	<	ErrorAlert(GetString(STR_RAM_HIGHER_THAN_ROM_ERR));
945	>	if (RAMBase > KernelDataAddr) {
946	>	ErrorAlert(GetString(STR_RAM_AREA_TOO_HIGH_ERR));
947		goto quit;
948		}
796	–
797	–	// Load Mac ROM
798	–	rom_path = PrefsFindString("rom");
799	–	rom_fd = open(rom_path ? rom_path : ROM_FILE_NAME, O_RDONLY);
800	–	if (rom_fd < 0) {
801	–	rom_fd = open(rom_path ? rom_path : ROM_FILE_NAME2, O_RDONLY);
802	–	if (rom_fd < 0) {
803	–	ErrorAlert(GetString(STR_NO_ROM_FILE_ERR));
804	–	goto quit;
805	–	}
806	–	}
807	–	printf(GetString(STR_READING_ROM_FILE));
808	–	rom_size = lseek(rom_fd, 0, SEEK_END);
809	–	lseek(rom_fd, 0, SEEK_SET);
810	–	rom_tmp = new uint8[ROM_SIZE];
811	–	actual = read(rom_fd, (void *)rom_tmp, ROM_SIZE);
812	–	close(rom_fd);
949
950	<	// Decode Mac ROM
951	<	if (!DecodeROM(rom_tmp, actual)) {
952	<	if (rom_size != 4*1024*1024) {
953	<	ErrorAlert(GetString(STR_ROM_SIZE_ERR));
954	<	goto quit;
819	<	} else {
820	<	ErrorAlert(GetString(STR_ROM_FILE_READ_ERR));
950	>	// Create area for Mac ROM
951	>	if (!ram_rom_areas_contiguous) {
952	>	if (vm_mac_acquire_fixed(ROM_BASE, ROM_AREA_SIZE) < 0) {
953	>	sprintf(str, GetString(STR_ROM_MMAP_ERR), strerror(errno));
954	>	ErrorAlert(str);
955		goto quit;
956		}
957	+	ROMBase = ROM_BASE;
958	+	ROMBaseHost = Mac2HostAddr(ROMBase);
959	+	}
960	+	#if !EMULATED_PPC
961	+	if (vm_protect(ROMBaseHost, ROM_AREA_SIZE, VM_PAGE_READ | VM_PAGE_WRITE | VM_PAGE_EXECUTE) < 0) {
962	+	sprintf(str, GetString(STR_ROM_MMAP_ERR), strerror(errno));
963	+	ErrorAlert(str);
964	+	goto quit;
965	+	}
966	+	#endif
967	+	rom_area_mapped = true;
968	+	D(bug("ROM area at %p (%08x)\n", ROMBaseHost, ROMBase));
969	+
970	+	if (RAMBase > ROMBase) {
971	+	ErrorAlert(GetString(STR_RAM_HIGHER_THAN_ROM_ERR));
972	+	goto quit;
973		}
974	<	delete[] rom_tmp;
974	>
975	>	// Load Mac ROM
976	>	if (!load_mac_rom())
977	>	goto quit;
978
979		// Initialize everything
980	<	if (!InitAll())
980	>	if (!InitAll(vmdir))
981		goto quit;
982		D(bug("Initialization complete\n"));
983
984		// Clear caches (as we loaded and patched code) and write protect ROM
985		#if !EMULATED_PPC
986	<	flush_icache_range(ROM_BASE, ROM_BASE + ROM_AREA_SIZE);
986	>	flush_icache_range(ROMBase, ROMBase + ROM_AREA_SIZE);
987		#endif
988		vm_protect(ROMBaseHost, ROM_AREA_SIZE, VM_PAGE_READ | VM_PAGE_EXECUTE);
989
#	Line 855 | Line 1008 | int main(int argc, char **argv)
1008		sigill_action.sa_restorer = NULL;
1009		#endif
1010		if (sigaction(SIGILL, &sigill_action, NULL) < 0) {
1011	<	sprintf(str, GetString(STR_SIGILL_INSTALL_ERR), strerror(errno));
1011	>	sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIGILL", strerror(errno));
1012		ErrorAlert(str);
1013		goto quit;
1014		}
#	Line 870 | Line 1023 | int main(int argc, char **argv)
1023		sigusr2_action.sa_restorer = NULL;
1024		#endif
1025		if (sigaction(SIGUSR2, &sigusr2_action, NULL) < 0) {
1026	<	sprintf(str, GetString(STR_SIGUSR2_INSTALL_ERR), strerror(errno));
1026	>	sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIGUSR2", strerror(errno));
1027		ErrorAlert(str);
1028		goto quit;
1029		}
#	Line 941 | Line 1094 | static void Quit(void)
1094
1095		// Delete RAM area
1096		if (ram_area_mapped)
1097	<	vm_mac_release(RAM_BASE, RAMSize);
1097	>	vm_mac_release(RAMBase, RAMSize);
1098
1099		// Delete ROM area
1100		if (rom_area_mapped)
1101	<	vm_mac_release(ROM_BASE, ROM_AREA_SIZE);
1101	>	vm_mac_release(ROMBase, ROM_AREA_SIZE);
1102
1103		// Delete DR cache areas
1104		if (dr_emulator_area_mapped)
#	Line 981 | Line 1134 | static void Quit(void)
1134		XCloseDisplay(x_display);
1135		#endif
1136
1137	+	// Notify GUI we are about to leave
1138	+	if (gui_connection) {
1139	+	if (rpc_method_invoke(gui_connection, RPC_METHOD_EXIT, RPC_TYPE_INVALID) == RPC_ERROR_NO_ERROR)
1140	+	rpc_method_wait_for_reply(gui_connection, RPC_TYPE_INVALID);
1141	+	}
1142	+
1143		exit(0);
1144		}
1145
#	Line 989 | Line 1148 | static void Quit(void)
1148		*  Initialize Kernel Data segments
1149		*/
1150
992	–	#if defined(__CYGWIN__)
993	–	#define WIN32_LEAN_AND_MEAN
994	–	#include <windows.h>
995	–
996	–	static HANDLE kernel_handle;                            // Shared memory handle for Kernel Data
997	–	static DWORD allocation_granule;                        // Minimum size of allocateable are (64K)
998	–	static DWORD kernel_area_size;                          // Size of Kernel Data area
999	–	#endif
1000	–
1151		static bool kernel_data_init(void)
1152		{
1153		char str[256];
1154	<	#ifdef _WIN32
1155	<	SYSTEM_INFO si;
1156	<	GetSystemInfo(&si);
1007	<	allocation_granule = si.dwAllocationGranularity;
1008	<	kernel_area_size = (KERNEL_AREA_SIZE + allocation_granule - 1) & -allocation_granule;
1009	<
1010	<	char rcs[10];
1011	<	LPVOID kernel_addr;
1012	<	kernel_handle = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, kernel_area_size, NULL);
1013	<	if (kernel_handle == NULL) {
1014	<	sprintf(rcs, "%d", GetLastError());
1015	<	sprintf(str, GetString(STR_KD_SHMGET_ERR), rcs);
1016	<	ErrorAlert(str);
1017	<	return false;
1018	<	}
1019	<	kernel_addr = (LPVOID)Mac2HostAddr(KERNEL_DATA_BASE & -allocation_granule);
1020	<	if (MapViewOfFileEx(kernel_handle, FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, kernel_area_size, kernel_addr) != kernel_addr) {
1021	<	sprintf(rcs, "%d", GetLastError());
1022	<	sprintf(str, GetString(STR_KD_SHMAT_ERR), rcs);
1023	<	ErrorAlert(str);
1024	<	return false;
1025	<	}
1026	<	kernel_addr = (LPVOID)Mac2HostAddr(KERNEL_DATA2_BASE & -allocation_granule);
1027	<	if (MapViewOfFileEx(kernel_handle, FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, kernel_area_size, kernel_addr) != kernel_addr) {
1028	<	sprintf(rcs, "%d", GetLastError());
1029	<	sprintf(str, GetString(STR_KD2_SHMAT_ERR), rcs);
1030	<	ErrorAlert(str);
1031	<	return false;
1032	<	}
1033	<	#else
1034	<	kernel_area = shmget(IPC_PRIVATE, KERNEL_AREA_SIZE, 0600);
1154	>	uint32 kernel_area_size = (KERNEL_AREA_SIZE + SHMLBA - 1) & -SHMLBA;
1155	>
1156	>	kernel_area = shmget(IPC_PRIVATE, kernel_area_size, 0600);
1157		if (kernel_area == -1) {
1158		sprintf(str, GetString(STR_KD_SHMGET_ERR), strerror(errno));
1159		ErrorAlert(str);
1160		return false;
1161		}
1162	<	if (shmat(kernel_area, Mac2HostAddr(KERNEL_DATA_BASE), 0) < 0) {
1162	>	void *kernel_addr = Mac2HostAddr(KERNEL_DATA_BASE & -SHMLBA);
1163	>	if (shmat(kernel_area, kernel_addr, 0) != kernel_addr) {
1164		sprintf(str, GetString(STR_KD_SHMAT_ERR), strerror(errno));
1165		ErrorAlert(str);
1166		return false;
1167		}
1168	<	if (shmat(kernel_area, Mac2HostAddr(KERNEL_DATA2_BASE), 0) < 0) {
1168	>	kernel_addr = Mac2HostAddr(KERNEL_DATA2_BASE & -SHMLBA);
1169	>	if (shmat(kernel_area, kernel_addr, 0) != kernel_addr) {
1170		sprintf(str, GetString(STR_KD2_SHMAT_ERR), strerror(errno));
1171		ErrorAlert(str);
1172		return false;
1173		}
1050	–	#endif
1174		return true;
1175		}
1176
#	Line 1058 | Line 1181 | static bool kernel_data_init(void)
1181
1182		static void kernel_data_exit(void)
1183		{
1061	–	#ifdef _WIN32
1062	–	if (kernel_handle) {
1063	–	UnmapViewOfFile(Mac2HostAddr(KERNEL_DATA_BASE & -allocation_granule));
1064	–	UnmapViewOfFile(Mac2HostAddr(KERNEL_DATA2_BASE & -allocation_granule));
1065	–	CloseHandle(kernel_handle);
1066	–	}
1067	–	#else
1184		if (kernel_area >= 0) {
1185	<	shmdt(Mac2HostAddr(KERNEL_DATA_BASE));
1186	<	shmdt(Mac2HostAddr(KERNEL_DATA2_BASE));
1185	>	shmdt(Mac2HostAddr(KERNEL_DATA_BASE & -SHMLBA));
1186	>	shmdt(Mac2HostAddr(KERNEL_DATA2_BASE & -SHMLBA));
1187		shmctl(kernel_area, IPC_RMID, NULL);
1188		}
1073	–	#endif
1189		}
1190
1191
#	Line 1102 | Line 1217 | static void *emul_func(void *arg)
1217		// Jump to ROM boot routine
1218		D(bug("Jumping to ROM\n"));
1219		#if EMULATED_PPC
1220	<	jump_to_rom(ROM_BASE + 0x310000);
1220	>	jump_to_rom(ROMBase + 0x310000);
1221		#else
1222	<	jump_to_rom(ROM_BASE + 0x310000, (uint32)emulator_data);
1222	>	jump_to_rom(ROMBase + 0x310000, (uint32)emulator_data);
1223		#endif
1224		D(bug("Returned from ROM\n"));
1225
#	Line 1190 | Line 1305 | void Dump68kRegs(M68kRegisters *r)
1305
1306		void MakeExecutable(int dummy, uint32 start, uint32 length)
1307		{
1308	<	if ((start >= ROM_BASE) && (start < (ROM_BASE + ROM_SIZE)))
1308	>	if ((start >= ROMBase) && (start < (ROMBase + ROM_SIZE)))
1309		return;
1310		#if EMULATED_PPC
1311		FlushCodeCache(start, start + length);
#	Line 1533 | Line 1648 | void sigusr2_handler(int sig, siginfo_t
1648		// Execute nanokernel interrupt routine (this will activate the 68k emulator)
1649		DisableInterrupt();
1650		if (ROMType == ROMTYPE_NEWWORLD)
1651	<	ppc_interrupt(ROM_BASE + 0x312b1c, KernelDataAddr);
1651	>	ppc_interrupt(ROMBase + 0x312b1c, KernelDataAddr);
1652		else
1653	<	ppc_interrupt(ROM_BASE + 0x312a3c, KernelDataAddr);
1653	>	ppc_interrupt(ROMBase + 0x312a3c, KernelDataAddr);
1654
1655		// Reset normal stack
1656		sigaltstack(&sig_stack, NULL);
#	Line 1607 | Line 1722 | static void sigsegv_handler(int sig, sig
1722		#endif
1723
1724		#if ENABLE_VOSF
1725	<	// Handle screen fault.
1726	<	extern bool Screen_fault_handler(sigsegv_address_t fault_address, sigsegv_address_t fault_instruction);
1727	<	if (Screen_fault_handler((sigsegv_address_t)addr, (sigsegv_address_t)r->pc()))
1725	>	// Handle screen fault
1726	>	#if SIGSEGV_CHECK_VERSION(1,0,0)
1727	>	sigsegv_info_t si;
1728	>	si.addr = (sigsegv_address_t)addr;
1729	>	si.pc = (sigsegv_address_t)r->pc();
1730	>	#endif
1731	>	extern bool Screen_fault_handler(sigsegv_info_t *sip);
1732	>	if (Screen_fault_handler(&si))
1733		return;
1734		#endif
1735
1736		num_segv++;
1737
1738		// Fault in Mac ROM or RAM or DR Cache?
1739	<	bool mac_fault = (r->pc() >= ROM_BASE) && (r->pc() < (ROM_BASE + ROM_AREA_SIZE)) || (r->pc() >= RAMBase) && (r->pc() < (RAMBase + RAMSize)) || (r->pc() >= DR_CACHE_BASE && r->pc() < (DR_CACHE_BASE + DR_CACHE_SIZE));
1739	>	bool mac_fault = (r->pc() >= ROMBase) && (r->pc() < (ROMBase + ROM_AREA_SIZE)) || (r->pc() >= RAMBase) && (r->pc() < (RAMBase + RAMSize)) || (r->pc() >= DR_CACHE_BASE && r->pc() < (DR_CACHE_BASE + DR_CACHE_SIZE));
1740		if (mac_fault) {
1741
1742		// "VM settings" during MacOS 8 installation
1743	<	if (r->pc() == ROM_BASE + 0x488160 && r->gpr(20) == 0xf8000000) {
1743	>	if (r->pc() == ROMBase + 0x488160 && r->gpr(20) == 0xf8000000) {
1744		r->pc() += 4;
1745		r->gpr(8) = 0;
1746		return;
1747
1748		// MacOS 8.5 installation
1749	<	} else if (r->pc() == ROM_BASE + 0x488140 && r->gpr(16) == 0xf8000000) {
1749	>	} else if (r->pc() == ROMBase + 0x488140 && r->gpr(16) == 0xf8000000) {
1750		r->pc() += 4;
1751		r->gpr(8) = 0;
1752		return;
1753
1754		// MacOS 8 serial drivers on startup
1755	<	} else if (r->pc() == ROM_BASE + 0x48e080 && (r->gpr(8) == 0xf3012002 || r->gpr(8) == 0xf3012000)) {
1755	>	} else if (r->pc() == ROMBase + 0x48e080 && (r->gpr(8) == 0xf3012002 || r->gpr(8) == 0xf3012000)) {
1756		r->pc() += 4;
1757		r->gpr(8) = 0;
1758		return;
1759
1760		// MacOS 8.1 serial drivers on startup
1761	<	} else if (r->pc() == ROM_BASE + 0x48c5e0 && (r->gpr(20) == 0xf3012002 || r->gpr(20) == 0xf3012000)) {
1761	>	} else if (r->pc() == ROMBase + 0x48c5e0 && (r->gpr(20) == 0xf3012002 || r->gpr(20) == 0xf3012000)) {
1762		r->pc() += 4;
1763		return;
1764	<	} else if (r->pc() == ROM_BASE + 0x4a10a0 && (r->gpr(20) == 0xf3012002 || r->gpr(20) == 0xf3012000)) {
1764	>	} else if (r->pc() == ROMBase + 0x4a10a0 && (r->gpr(20) == 0xf3012002 || r->gpr(20) == 0xf3012000)) {
1765		r->pc() += 4;
1766		return;
1767
#	Line 1774 | Line 1894 | static void sigsegv_handler(int sig, sig
1894
1895		// Ignore ROM writes (including to the zero page, which is read-only)
1896		if (transfer_type == TYPE_STORE &&
1897	<	((addr >= ROM_BASE && addr < ROM_BASE + ROM_SIZE) ||
1897	>	((addr >= ROMBase && addr < ROMBase + ROM_SIZE) ||
1898		(addr >= SheepMem::ZeroPage() && addr < SheepMem::ZeroPage() + SheepMem::PageSize()))) {
1899		//                      D(bug("WARNING: %s write access to ROM at %08lx, pc %08lx\n", transfer_size == SIZE_BYTE ? "Byte" : transfer_size == SIZE_HALFWORD ? "Halfword" : "Word", addr, r->pc()));
1900		if (addr_mode == MODE_U || addr_mode == MODE_UX)
#	Line 1865 | Line 1985 | static void sigill_handler(int sig, sigi
1985		#endif
1986
1987		// Fault in Mac ROM or RAM?
1988	<	bool mac_fault = (r->pc() >= ROM_BASE) && (r->pc() < (ROM_BASE + ROM_AREA_SIZE)) || (r->pc() >= RAMBase) && (r->pc() < (RAMBase + RAMSize));
1988	>	bool mac_fault = (r->pc() >= ROMBase) && (r->pc() < (ROMBase + ROM_AREA_SIZE)) || (r->pc() >= RAMBase) && (r->pc() < (RAMBase + RAMSize));
1989		if (mac_fault) {
1990
1991		// Get opcode and divide into fields
#	Line 2033 | Line 2153 | bool SheepMem::Init(void)
2153
2154		// Allocate SheepShaver globals
2155		proc = base;
2156	<	if (vm_mac_acquire(base, size) < 0)
2156	>	if (vm_mac_acquire_fixed(base, size) < 0)
2157		return false;
2158
2159		// Allocate page with all bits set to 0, right in the middle
#	Line 2046 | Line 2166 | bool SheepMem::Init(void)
2166		#if EMULATED_PPC
2167		// Allocate alternate stack for PowerPC interrupt routine
2168		sig_stack = base + size;
2169	<	if (vm_mac_acquire(sig_stack, SIG_STACK_SIZE) < 0)
2169	>	if (vm_mac_acquire_fixed(sig_stack, SIG_STACK_SIZE) < 0)
2170		return false;
2171		#endif
2172
#	Line 2117 | Line 2237 | void display_alert(int title_id, int pre
2237
2238		void ErrorAlert(const char *text)
2239		{
2240	+	if (gui_connection) {
2241	+	if (rpc_method_invoke(gui_connection, RPC_METHOD_ERROR_ALERT, RPC_TYPE_STRING, text, RPC_TYPE_INVALID) == RPC_ERROR_NO_ERROR &&
2242	+	rpc_method_wait_for_reply(gui_connection, RPC_TYPE_INVALID) == RPC_ERROR_NO_ERROR)
2243	+	return;
2244	+	}
2245		#if defined(ENABLE_GTK) && !defined(USE_SDL_VIDEO)
2246		if (PrefsFindBool("nogui") || x_display == NULL) {
2247		printf(GetString(STR_SHELL_ERROR_PREFIX), text);
#	Line 2136 | Line 2261 | void ErrorAlert(const char *text)
2261
2262		void WarningAlert(const char *text)
2263		{
2264	+	if (gui_connection) {
2265	+	if (rpc_method_invoke(gui_connection, RPC_METHOD_WARNING_ALERT, RPC_TYPE_STRING, text, RPC_TYPE_INVALID) == RPC_ERROR_NO_ERROR &&
2266	+	rpc_method_wait_for_reply(gui_connection, RPC_TYPE_INVALID) == RPC_ERROR_NO_ERROR)
2267	+	return;
2268	+	}
2269		#if defined(ENABLE_GTK) && !defined(USE_SDL_VIDEO)
2270		if (PrefsFindBool("nogui") || x_display == NULL) {
2271		printf(GetString(STR_SHELL_WARNING_PREFIX), text);

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