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root/cebix/SheepShaver/src/rom_patches.cpp

Comparing SheepShaver/src/rom_patches.cpp (file contents):
Revision 1.35 by gbeauche, 2004-07-14T08:24:07Z vs.
Revision 1.44 by gbeauche, 2006-05-14T13:48:05Z

#	Line 1 | Line 1
1		/*
2		*  rom_patches.cpp - ROM patches
3		*
4	<	*  SheepShaver (C) 1997-2004 Christian Bauer and Marc Hellwig
4	>	*  SheepShaver (C) 1997-2005 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 148 | Line 148 | bool DecodeROM(uint8 *data, uint32 size)
148		{
149		if (size == ROM_SIZE) {
150		// Plain ROM image
151	<	memcpy((void *)ROM_BASE, data, ROM_SIZE);
151	>	memcpy(ROMBaseHost, data, ROM_SIZE);
152		return true;
153		}
154		else if (strncmp((char *)data, "<CHRP-BOOT>", 11) == 0) {
#	Line 186 | Line 186 | bool DecodeROM(uint8 *data, uint32 size)
186		if (rom_signature == FOURCC('p','r','c','l')) {
187		D(bug("Offset of parcels data: %08x\n", image_offset));
188		D(bug("Size of parcels data: %08x\n", image_size));
189	<	decode_parcels(data + image_offset, (uint8 *)ROM_BASE, image_size);
189	>	decode_parcels(data + image_offset, ROMBaseHost, image_size);
190		}
191		else {
192		D(bug("Offset of compressed data: %08x\n", image_offset));
193		D(bug("Size of compressed data: %08x\n", image_size));
194	<	decode_lzss(data + image_offset, (uint8 *)ROM_BASE, image_size);
194	>	decode_lzss(data + image_offset, ROMBaseHost, image_size);
195		}
196		return true;
197		}
#	Line 207 | Line 207 | static uint32 find_rom_data(uint32 start
207		{
208		uint32 ofs = start;
209		while (ofs < end) {
210	<	if (!memcmp((void *)(ROM_BASE + ofs), data, data_len))
210	>	if (!memcmp(ROMBaseHost + ofs, data, data_len))
211		return ofs;
212		ofs++;
213		}
#	Line 224 | Line 224 | static uint32 rsrc_ptr = 0;
224		// id = 4711 means "find any ID"
225		static uint32 find_rom_resource(uint32 s_type, int16 s_id = 4711, bool cont = false)
226		{
227	<	uint32 *lp = (uint32 *)(ROM_BASE + 0x1a);
228	<	uint32 x = ntohl(*lp);
229	<	uint8 *bp = (uint8 *)(ROM_BASE + x + 5);
230	<	uint32 header_size = *bp;
227	>	uint32 lp = ROM_BASE + 0x1a;
228	>	uint32 x = ReadMacInt32(lp);
229	>	uint32 header_size = ReadMacInt8(ROM_BASE + x + 5);
230
231		if (!cont)
232		rsrc_ptr = x;
#	Line 235 | Line 234 | static uint32 find_rom_resource(uint32 s
234		return 0;
235
236		for (;;) {
237	<	lp = (uint32 *)(ROM_BASE + rsrc_ptr);
238	<	rsrc_ptr = ntohl(*lp);
237	>	lp = ROM_BASE + rsrc_ptr;
238	>	rsrc_ptr = ReadMacInt32(lp);
239		if (rsrc_ptr == 0)
240		break;
241
242		rsrc_ptr += header_size;
243
244	<	lp = (uint32 *)(ROM_BASE + rsrc_ptr + 4);
245	<	uint32 data = ntohl(*lp); lp++;
246	<	uint32 type = ntohl(*lp); lp++;
247	<	int16 id = ntohs(*(int16 *)lp);
244	>	lp = ROM_BASE + rsrc_ptr + 4;
245	>	uint32 data = ReadMacInt32(lp);
246	>	uint32 type = ReadMacInt32(lp + 4);
247	>	int16 id = ReadMacInt16(lp + 8);
248		if (type == s_type && (id == s_id || s_id == 4711))
249		return data;
250		}
#	Line 259 | Line 258 | static uint32 find_rom_resource(uint32 s
258
259		static uint32 find_rom_trap(uint16 trap)
260		{
261	<	uint32 *lp = (uint32 *)(ROM_BASE + 0x22);
263	<	lp = (uint32 *)(ROM_BASE + ntohl(*lp));
261	>	uint32 lp = ROM_BASE + ReadMacInt32(ROM_BASE + 0x22);
262
263		if (trap > 0xa800)
264	<	return ntohl(lp[trap & 0x3ff]);
264	>	return ReadMacInt32(lp + 4 * (trap & 0x3ff));
265		else
266	<	return ntohl(lp[(trap & 0xff) + 0x400]);
266	>	return ReadMacInt32(lp + 4 * ((trap & 0xff) + 0x400));
267		}
268
269
#	Line 274 | Line 272 | static uint32 find_rom_trap(uint16 trap)
272		*  there is no such instruction
273		*/
274
275	<	static uint32 powerpc_branch_target(uintptr addr)
275	>	static uint32 rom_powerpc_branch_target(uint32 addr)
276		{
277	<	uint32 opcode = ntohl(*(uint32 *)addr);
277	>	uint32 opcode = ntohl(*(uint32 *)(ROMBaseHost + addr));
278		uint32 primop = opcode >> 26;
279		uint32 target = 0;
280
#	Line 303 | Line 301 | static uint32 powerpc_branch_target(uint
301		static uint32 find_rom_powerpc_branch(uint32 start, uint32 end, uint32 target)
302		{
303		for (uint32 addr = start; addr < end; addr += 4) {
304	<	if (powerpc_branch_target(ROM_BASE + addr) == ROM_BASE + target)
304	>	if (rom_powerpc_branch_target(addr) == target)
305		return addr;
306		}
307		return 0;
#	Line 318 | Line 316 | static bool check_rom_patch_space(uint32
316		{
317		size = (size + 3) & -4;
318		for (int i = 0; i < size; i += 4) {
319	<	uint32 x = ntohl(*(uint32 *)(ROM_BASE + base + i));
319	>	uint32 x = ntohl(*(uint32 *)(ROMBaseHost + base + i));
320		if (x != 0x6b636b63 && x != 0)
321		return false;
322		}
#	Line 689 | Line 687 | static inline void memcpy_powerpc_code(v
687		bool PatchROM(void)
688		{
689		// Print ROM info
690	<	D(bug("Checksum: %08lx\n", ntohl(*(uint32 *)ROM_BASE)));
691	<	D(bug("Version: %04x\n", ntohs(*(uint16 *)(ROM_BASE + 8))));
692	<	D(bug("Sub Version: %04x\n", ntohs(*(uint16 *)(ROM_BASE + 18))));
693	<	D(bug("Nanokernel ID: %s\n", (char *)ROM_BASE + 0x30d064));
694	<	D(bug("Resource Map at %08lx\n", ntohl(*(uint32 *)(ROM_BASE + 26))));
695	<	D(bug("Trap Tables at %08lx\n\n", ntohl(*(uint32 *)(ROM_BASE + 34))));
690	>	D(bug("Checksum: %08lx\n", ntohl(*(uint32 *)ROMBaseHost)));
691	>	D(bug("Version: %04x\n", ntohs(*(uint16 *)(ROMBaseHost + 8))));
692	>	D(bug("Sub Version: %04x\n", ntohs(*(uint16 *)(ROMBaseHost + 18))));
693	>	D(bug("Nanokernel ID: %s\n", (char *)ROMBaseHost + 0x30d064));
694	>	D(bug("Resource Map at %08lx\n", ntohl(*(uint32 *)(ROMBaseHost + 26))));
695	>	D(bug("Trap Tables at %08lx\n\n", ntohl(*(uint32 *)(ROMBaseHost + 34))));
696
697		// Detect ROM type
698	<	if (!memcmp((void *)(ROM_BASE + 0x30d064), "Boot TNT", 8))
698	>	if (!memcmp(ROMBaseHost + 0x30d064, "Boot TNT", 8))
699		ROMType = ROMTYPE_TNT;
700	<	else if (!memcmp((void *)(ROM_BASE + 0x30d064), "Boot Alchemy", 12))
700	>	else if (!memcmp(ROMBaseHost + 0x30d064, "Boot Alchemy", 12))
701		ROMType = ROMTYPE_ALCHEMY;
702	<	else if (!memcmp((void *)(ROM_BASE + 0x30d064), "Boot Zanzibar", 13))
702	>	else if (!memcmp(ROMBaseHost + 0x30d064, "Boot Zanzibar", 13))
703		ROMType = ROMTYPE_ZANZIBAR;
704	<	else if (!memcmp((void *)(ROM_BASE + 0x30d064), "Boot Gazelle", 12))
704	>	else if (!memcmp(ROMBaseHost + 0x30d064, "Boot Gazelle", 12))
705		ROMType = ROMTYPE_GAZELLE;
706	<	else if (!memcmp((void *)(ROM_BASE + 0x30d064), "Boot Gossamer", 13))
706	>	else if (!memcmp(ROMBaseHost + 0x30d064, "Boot Gossamer", 13))
707		ROMType = ROMTYPE_GOSSAMER;
708	<	else if (!memcmp((void *)(ROM_BASE + 0x30d064), "NewWorld", 8))
708	>	else if (!memcmp(ROMBaseHost + 0x30d064, "NewWorld", 8))
709		ROMType = ROMTYPE_NEWWORLD;
710		else
711		return false;
#	Line 730 | Line 728 | bool PatchROM(void)
728
729		#ifdef M68K_BREAK_POINT
730		// Install 68k breakpoint
731	<	uint16 *wp = (uint16 *)(ROM_BASE + M68K_BREAK_POINT);
731	>	uint16 *wp = (uint16 *)(ROMBaseHost + M68K_BREAK_POINT);
732		*wp++ = htons(M68K_EMUL_BREAK);
733		*wp = htons(M68K_EMUL_RETURN);
734		#endif
735
736		#ifdef POWERPC_BREAK_POINT
737		// Install PowerPC breakpoint
738	<	uint32 *lp = (uint32 *)(ROM_BASE + POWERPC_BREAK_POINT);
738	>	uint32 *lp = (uint32 *)(ROMBaseHost + POWERPC_BREAK_POINT);
739		*lp = htonl(0);
740		#endif
741
742		// Copy 68k emulator to 2MB boundary
743	<	memcpy((void *)(ROM_BASE + ROM_SIZE), (void *)(ROM_BASE + ROM_SIZE - 0x100000), 0x100000);
743	>	memcpy(ROMBaseHost + ROM_SIZE, ROMBaseHost + (ROM_SIZE - 0x100000), 0x100000);
744		return true;
745		}
746
#	Line 757 | Line 755 | static bool patch_nanokernel_boot(void)
755		uint32 base, loc;
756
757		// ROM boot structure patches
758	<	lp = (uint32 *)(ROM_BASE + 0x30d000);
758	>	lp = (uint32 *)(ROMBaseHost + 0x30d000);
759		lp[0x9c >> 2] = htonl(KernelDataAddr);                  // LA_InfoRecord
760		lp[0xa0 >> 2] = htonl(KernelDataAddr);                  // LA_KernelData
761		lp[0xa4 >> 2] = htonl(KernelDataAddr + 0x1000); // LA_EmulatorData
#	Line 769 | Line 767 | static bool patch_nanokernel_boot(void)
767		// Skip SR/BAT/SDR init
768		loc = 0x310000;
769		if (ROMType == ROMTYPE_GAZELLE || ROMType == ROMTYPE_GOSSAMER || ROMType == ROMTYPE_NEWWORLD) {
770	<	lp = (uint32 *)(ROM_BASE + loc);
770	>	lp = (uint32 *)(ROMBaseHost + loc);
771		*lp++ = htonl(POWERPC_NOP);
772		*lp = htonl(0x38000000);
773		}
774		static const uint8 sr_init_dat[] = {0x35, 0x4a, 0xff, 0xfc, 0x7d, 0x86, 0x50, 0x2e};
775		if ((base = find_rom_data(0x3101b0, 0x3105b0, sr_init_dat, sizeof(sr_init_dat))) == 0) return false;
776		D(bug("sr_init %08lx\n", base));
777	<	lp = (uint32 *)(ROM_BASE + loc + 8);
777	>	lp = (uint32 *)(ROMBaseHost + loc + 8);
778		*lp = htonl(0x48000000 | ((base - loc - 8) & 0x3fffffc));       // b            ROM_BASE+0x3101b0
779	<	lp = (uint32 *)(ROM_BASE + base);
779	>	lp = (uint32 *)(ROMBaseHost + base);
780		*lp++ = htonl(0x80200000 + XLM_KERNEL_DATA);            // lwz  r1,(pointer to Kernel Data)
781		*lp++ = htonl(0x3da0dead);              // lis  r13,0xdead      (start of kernel memory)
782		*lp++ = htonl(0x3dc00010);              // lis  r14,0x0010      (size of page table)
#	Line 788 | Line 786 | static bool patch_nanokernel_boot(void)
786		static const uint8 pvr_read_dat[] = {0x7d, 0x9f, 0x42, 0xa6};
787		if ((base = find_rom_data(0x3103b0, 0x3108b0, pvr_read_dat, sizeof(pvr_read_dat))) == 0) return false;
788		D(bug("pvr_read %08lx\n", base));
789	<	lp = (uint32 *)(ROM_BASE + base);
789	>	lp = (uint32 *)(ROMBaseHost + base);
790		*lp = htonl(0x81800000 + XLM_PVR);      // lwz  r12,(theoretical PVR)
791
792		// Set CPU specific data (even if ROM doesn't have support for that CPU)
#	Line 797 | Line 795 | static bool patch_nanokernel_boot(void)
795		uint32 ofs = ntohl(lp[7]) & 0xffff;
796		D(bug("ofs %08lx\n", ofs));
797		lp[8] = htonl((ntohl(lp[8]) & 0xffff) | 0x48000000);    // beq -> b
798	<	loc = (ntohl(lp[8]) & 0xffff) + (uint32)(lp+8) - ROM_BASE;
798	>	loc = (ntohl(lp[8]) & 0xffff) + (uintptr)(lp+8) - (uintptr)ROMBaseHost;
799		D(bug("loc %08lx\n", loc));
800	<	lp = (uint32 *)(ROM_BASE + ofs + 0x310000);
800	>	lp = (uint32 *)(ROMBaseHost + ofs + 0x310000);
801		switch (PVR >> 16) {
802		case 1:         // 601
803		lp[0] = htonl(0x1000);          // Page size
#	Line 931 | Line 929 | static bool patch_nanokernel_boot(void)
929		static const uint8 sprg3_mq_dat[] = {0x7d, 0x13, 0x43, 0xa6, 0x3d, 0x00, 0x00, 0x04, 0x7d, 0x00, 0x03, 0xa6, 0x39, 0x00, 0x00, 0x00, 0x7d, 0x00, 0x02, 0xa6};
930		if ((base = find_rom_data(loc + 0x20, loc + 0x60, sprg3_mq_dat, sizeof(sprg3_mq_dat))) == 0) return false;
931		D(bug("sprg3/mq %08lx\n", base));
932	<	lp = (uint32 *)(ROM_BASE + base);
932	>	lp = (uint32 *)(ROMBaseHost + base);
933		lp[0] = htonl(POWERPC_NOP);
934		lp[2] = htonl(POWERPC_NOP);
935		lp[4] = htonl(POWERPC_NOP);
#	Line 940 | Line 938 | static bool patch_nanokernel_boot(void)
938		static const uint8 msr_dat[] = {0x7d, 0xc0, 0x00, 0xa6};
939		if ((base = find_rom_data(loc + 0x40, loc + 0x80, msr_dat, sizeof(msr_dat))) == 0) return false;
940		D(bug("msr %08lx\n", base));
941	<	lp = (uint32 *)(ROM_BASE + base);
941	>	lp = (uint32 *)(ROMBaseHost + base);
942		*lp = htonl(0x39c00000);                // li   r14,0
943
944		// Don't write to DEC
945	<	lp = (uint32 *)(ROM_BASE + loc + 0x70);
945	>	lp = (uint32 *)(ROMBaseHost + loc + 0x70);
946		*lp++ = htonl(POWERPC_NOP);
947	<	loc = (ntohl(lp[0]) & 0xffff) + (uint32)lp - ROM_BASE;
947	>	loc = (ntohl(lp[0]) & 0xffff) + (uintptr)lp - (uintptr)ROMBaseHost;
948		D(bug("loc %08lx\n", loc));
949
950		// Don't set SPRG3
951		static const uint8 sprg3_dat[] = {0x39, 0x21, 0x03, 0x60, 0x7d, 0x33, 0x43, 0xa6, 0x39, 0x01, 0x04, 0x20};
952		if ((base = find_rom_data(0x310000, 0x314000, sprg3_dat, sizeof(sprg3_dat))) == 0) return false;
953		D(bug("sprg3 %08lx\n", base + 4));
954	<	lp = (uint32 *)(ROM_BASE + base + 4);
954	>	lp = (uint32 *)(ROMBaseHost + base + 4);
955		*lp = htonl(POWERPC_NOP);
956
957		// Don't read PVR
958		static const uint8 pvr_read2_dat[] = {0x7e, 0xff, 0x42, 0xa6, 0x56, 0xf7, 0x84, 0x3e};
959		if ((base = find_rom_data(0x310000, 0x320000, pvr_read2_dat, sizeof(pvr_read2_dat))) == 0) return false;
960		D(bug("pvr_read2 %08lx\n", base));
961	<	lp = (uint32 *)(ROM_BASE + base);
961	>	lp = (uint32 *)(ROMBaseHost + base);
962		*lp = htonl(0x82e00000 + XLM_PVR);              // lwz  r23,(theoretical PVR)
963		if ((base = find_rom_data(base + 4, 0x320000, pvr_read2_dat, sizeof(pvr_read2_dat))) != 0) {
964		D(bug("pvr_read2 %08lx\n", base));
965	<	lp = (uint32 *)(ROM_BASE + base);
965	>	lp = (uint32 *)(ROMBaseHost + base);
966		*lp = htonl(0x82e00000 + XLM_PVR);      // lwz  r23,(theoretical PVR)
967		}
968		static const uint8 pvr_read3_dat[] = {0x7e, 0x5f, 0x42, 0xa6, 0x56, 0x52, 0x84, 0x3e};
969		if ((base = find_rom_data(0x310000, 0x320000, pvr_read3_dat, sizeof(pvr_read3_dat))) != 0) {
970		D(bug("pvr_read3 %08lx\n", base));
971	<	lp = (uint32 *)(ROM_BASE + base);
971	>	lp = (uint32 *)(ROMBaseHost + base);
972		*lp = htonl(0x82400000 + XLM_PVR);      // lwz  r18,(theoretical PVR)
973		}
974		static const uint8 pvr_read4_dat[] = {0x7d, 0x3f, 0x42, 0xa6, 0x55, 0x29, 0x84, 0x3e};
975		if ((base = find_rom_data(0x310000, 0x320000, pvr_read4_dat, sizeof(pvr_read4_dat))) != 0) {
976		D(bug("pvr_read4 %08lx\n", base));
977	<	lp = (uint32 *)(ROM_BASE + base);
977	>	lp = (uint32 *)(ROMBaseHost + base);
978		*lp = htonl(0x81200000 + XLM_PVR);      // lzw  r9,(theoritical PVR)
979		}
980
#	Line 984 | Line 982 | static bool patch_nanokernel_boot(void)
982		static const uint8 sdr1_read_dat[] = {0x7d, 0x19, 0x02, 0xa6, 0x55, 0x16, 0x81, 0xde};
983		if ((base = find_rom_data(0x310000, 0x320000, sdr1_read_dat, sizeof(sdr1_read_dat))) == 0) return false;
984		D(bug("sdr1_read %08lx\n", base));
985	<	lp = (uint32 *)(ROM_BASE + base);
985	>	lp = (uint32 *)(ROMBaseHost + base);
986		*lp++ = htonl(0x3d00dead);              // lis  r8,0xdead               (pointer to page table)
987		*lp++ = htonl(0x3ec0001f);              // lis  r22,0x001f      (size of page table)
988		*lp = htonl(POWERPC_NOP);
#	Line 993 | Line 991 | static bool patch_nanokernel_boot(void)
991		static const uint8 pgtb_clear_dat[] = {0x36, 0xd6, 0xff, 0xfc, 0x7e, 0xe8, 0xb1, 0x2e, 0x41, 0x81, 0xff, 0xf8};
992		if ((base = find_rom_data(0x310000, 0x320000, pgtb_clear_dat, sizeof(pgtb_clear_dat))) == 0) return false;
993		D(bug("pgtb_clear %08lx\n", base + 4));
994	<	lp = (uint32 *)(ROM_BASE + base + 4);
994	>	lp = (uint32 *)(ROMBaseHost + base + 4);
995		*lp = htonl(POWERPC_NOP);
996		D(bug("tblie %08lx\n", base + 12));
997	<	lp = (uint32 *)(ROM_BASE + base + 12);
997	>	lp = (uint32 *)(ROMBaseHost + base + 12);
998		*lp = htonl(POWERPC_NOP);
999
1000		// Don't create RAM descriptor table
1001		static const uint8 desc_create_dat[] = {0x97, 0xfd, 0x00, 0x04, 0x3b, 0xff, 0x10, 0x00, 0x4b, 0xff, 0xff, 0xdc};
1002		if ((base = find_rom_data(0x310000, 0x320000, desc_create_dat, sizeof(desc_create_dat))) == 0) return false;
1003		D(bug("desc_create %08lx\n", base))
1004	<	lp = (uint32 *)(ROM_BASE + base);
1004	>	lp = (uint32 *)(ROMBaseHost + base);
1005		*lp = htonl(POWERPC_NOP);
1006
1007		// Don't load SRs and BATs
#	Line 1013 | Line 1011 | static bool patch_nanokernel_boot(void)
1011		if ((base = find_rom_data(0x310000, 0x320000, sr_load_caller, sizeof(sr_load_caller))) == 0) return false;
1012		if ((base = find_rom_powerpc_branch(base + 12, 0x320000, loc)) == 0) return false;
1013		D(bug("sr_load %08lx, called from %08lx\n", loc, base));
1014	<	lp = (uint32 *)(ROM_BASE + base);
1014	>	lp = (uint32 *)(ROMBaseHost + base);
1015		*lp = htonl(POWERPC_NOP);
1016
1017		// Don't mess with SRs
1018		static const uint8 sr_load2_dat[] = {0x83, 0xa1, 0x05, 0xe8, 0x57, 0x7c, 0x3e, 0x78, 0x7f, 0xbd, 0xe0, 0x2e};
1019		if ((base = find_rom_data(0x310000, 0x320000, sr_load2_dat, sizeof(sr_load2_dat))) == 0) return false;
1020		D(bug("sr_load2 %08lx\n", base));
1021	<	lp = (uint32 *)(ROM_BASE + base);
1021	>	lp = (uint32 *)(ROMBaseHost + base);
1022		*lp = htonl(POWERPC_BLR);
1023
1024		// Don't check performance monitor
1025		static const uint8 pm_check_dat[] = {0x7e, 0x58, 0xeb, 0xa6, 0x7e, 0x53, 0x90, 0xf8, 0x7e, 0x78, 0xea, 0xa6};
1026		if ((base = find_rom_data(0x310000, 0x320000, pm_check_dat, sizeof(pm_check_dat))) == 0) return false;
1027		D(bug("pm_check %08lx\n", base));
1028	<	lp = (uint32 *)(ROM_BASE + base);
1028	>	lp = (uint32 *)(ROMBaseHost + base);
1029
1030		static const int spr_check_list[] = {
1031		952 /* mmcr0 */, 953 /* pmc1 */, 954 /* pmc2 */, 955 /* sia */,
#	Line 1056 | Line 1054 | static bool patch_nanokernel_boot(void)
1054		if ((base = find_rom_data(0x310000, 0x320000, jump68k_caller_dat, sizeof(jump68k_caller_dat))) == 0) return false;
1055		if ((base = find_rom_powerpc_branch(base + 12, 0x320000, loc)) == 0) return false;
1056		D(bug("jump68k %08lx, called from %08lx\n", loc, base));
1057	<	lp = (uint32 *)(ROM_BASE + base);
1057	>	lp = (uint32 *)(ROMBaseHost + base);
1058		*lp++ = htonl(0x80610634);              // lwz  r3,0x0634(r1)   (pointer to Emulator Data)
1059		*lp++ = htonl(0x8081119c);              // lwz  r4,0x119c(r1)   (pointer to opcode table)
1060		*lp++ = htonl(0x80011184);              // lwz  r0,0x1184(r1)   (pointer to emulator init routine)
#	Line 1079 | Line 1077 | static bool patch_68k_emul(void)
1077		static const uint8 twi_dat[] = {0x0f, 0xff, 0x00, 0x00, 0x0f, 0xff, 0x00, 0x01, 0x0f, 0xff, 0x00, 0x02};
1078		if ((base = find_rom_data(0x36e600, 0x36ea00, twi_dat, sizeof(twi_dat))) == 0) return false;
1079		D(bug("twi %08lx\n", base));
1080	<	lp = (uint32 *)(ROM_BASE + base);
1080	>	lp = (uint32 *)(ROMBaseHost + base);
1081		*lp++ = htonl(0x48000000 + 0x36f900 - base);            // b 0x36f900 (Emulator start)
1082		*lp++ = htonl(0x48000000 + 0x36fa00 - base - 4);        // b 0x36fa00 (Mixed mode)
1083		*lp++ = htonl(0x48000000 + 0x36fb00 - base - 8);        // b 0x36fb00 (Reset/FC1E opcode)
1084		*lp++ = htonl(0x48000000 + 0x36fc00 - base - 12);       // FE0A opcode
1085		*lp++ = htonl(POWERPC_ILLEGAL);                                         // Interrupt
1086	<	*lp++ = htonl(POWERPC_ILLEGAL);                                         // ?
1086	>	*lp++ = htonl(0x48000000 + 0x36fd00 - base - 20);       // FE0F opcode
1087		*lp++ = htonl(POWERPC_ILLEGAL);
1088		*lp++ = htonl(POWERPC_ILLEGAL);
1089		*lp++ = htonl(POWERPC_ILLEGAL);
#	Line 1099 | Line 1097 | static bool patch_68k_emul(void)
1097
1098		#if EMULATED_PPC
1099		// Install EMUL_RETURN, EXEC_RETURN, EXEC_NATIVE and EMUL_OP opcodes
1100	<	lp = (uint32 *)(ROM_BASE + 0x380000 + (M68K_EMUL_RETURN << 3));
1100	>	lp = (uint32 *)(ROMBaseHost + 0x380000 + (M68K_EMUL_RETURN << 3));
1101		*lp++ = htonl(POWERPC_EMUL_OP);
1102		*lp++ = htonl(0x4bf66e80);                                                      // b    0x366084
1103		*lp++ = htonl(POWERPC_EMUL_OP | 1);
#	Line 1112 | Line 1110 | static bool patch_68k_emul(void)
1110		}
1111		#else
1112		// Install EMUL_RETURN, EXEC_RETURN and EMUL_OP opcodes
1113	<	lp = (uint32 *)(ROM_BASE + 0x380000 + (M68K_EMUL_RETURN << 3));
1113	>	lp = (uint32 *)(ROMBaseHost + 0x380000 + (M68K_EMUL_RETURN << 3));
1114		*lp++ = htonl(0x80000000 + XLM_EMUL_RETURN_PROC);       // lwz  r0,XLM_EMUL_RETURN_PROC
1115		*lp++ = htonl(0x4bf705fc);                                                      // b    0x36f800
1116		*lp++ = htonl(0x80000000 + XLM_EXEC_RETURN_PROC);       // lwz  r0,XLM_EXEC_RETURN_PROC
#	Line 1125 | Line 1123 | static bool patch_68k_emul(void)
1123		}
1124
1125		// Extra routines for EMUL_RETURN/EXEC_RETURN/EMUL_OP
1126	<	lp = (uint32 *)(ROM_BASE + 0x36f800);
1126	>	lp = (uint32 *)(ROMBaseHost + 0x36f800);
1127		*lp++ = htonl(0x7c0803a6);                                              // mtlr r0
1128		*lp++ = htonl(0x4e800020);                                              // blr
1129
#	Line 1135 | Line 1133 | static bool patch_68k_emul(void)
1133		#endif
1134
1135		// Extra routine for 68k emulator start
1136	<	lp = (uint32 *)(ROM_BASE + 0x36f900);
1136	>	lp = (uint32 *)(ROMBaseHost + 0x36f900);
1137		*lp++ = htonl(0x7c2903a6);                                      // mtctr        r1
1138		*lp++ = htonl(0x80200000 + XLM_IRQ_NEST);       // lwz          r1,XLM_IRQ_NEST
1139		*lp++ = htonl(0x38210001);                                      // addi         r1,r1,1
#	Line 1165 | Line 1163 | static bool patch_68k_emul(void)
1163		*lp = htonl(0x4e800020);                                        // blr
1164
1165		// Extra routine for Mixed Mode
1166	<	lp = (uint32 *)(ROM_BASE + 0x36fa00);
1166	>	lp = (uint32 *)(ROMBaseHost + 0x36fa00);
1167		*lp++ = htonl(0x7c2903a6);                                      // mtctr        r1
1168		*lp++ = htonl(0x80200000 + XLM_IRQ_NEST);       // lwz          r1,XLM_IRQ_NEST
1169		*lp++ = htonl(0x38210001);                                      // addi         r1,r1,1
#	Line 1195 | Line 1193 | static bool patch_68k_emul(void)
1193		*lp = htonl(0x4e800020);                                        // blr
1194
1195		// Extra routine for Reset/FC1E opcode
1196	<	lp = (uint32 *)(ROM_BASE + 0x36fb00);
1196	>	lp = (uint32 *)(ROMBaseHost + 0x36fb00);
1197		*lp++ = htonl(0x7c2903a6);                                      // mtctr        r1
1198		*lp++ = htonl(0x80200000 + XLM_IRQ_NEST);       // lwz          r1,XLM_IRQ_NEST
1199		*lp++ = htonl(0x38210001);                                      // addi         r1,r1,1
#	Line 1225 | Line 1223 | static bool patch_68k_emul(void)
1223		*lp = htonl(0x4e800020);                                        // blr
1224
1225		// Extra routine for FE0A opcode (QuickDraw 3D needs this)
1226	<	lp = (uint32 *)(ROM_BASE + 0x36fc00);
1226	>	lp = (uint32 *)(ROMBaseHost + 0x36fc00);
1227		*lp++ = htonl(0x7c2903a6);                                      // mtctr        r1
1228		*lp++ = htonl(0x80200000 + XLM_IRQ_NEST);       // lwz          r1,XLM_IRQ_NEST
1229		*lp++ = htonl(0x38210001);                                      // addi         r1,r1,1
#	Line 1254 | Line 1252 | static bool patch_68k_emul(void)
1252		*lp++ = htonl(0x50e7deb4);                                      // rlwimi       r7,r7,27,$00000020
1253		*lp = htonl(0x4e800020);                                        // blr
1254
1255	+	// Extra routine for FE0F opcode (power management)
1256	+	lp = (uint32 *)(ROMBaseHost + 0x36fd00);
1257	+	*lp++ = htonl(0x7c2903a6);                                      // mtctr        r1
1258	+	*lp++ = htonl(0x80200000 + XLM_IRQ_NEST);       // lwz          r1,XLM_IRQ_NEST
1259	+	*lp++ = htonl(0x38210001);                                      // addi         r1,r1,1
1260	+	*lp++ = htonl(0x90200000 + XLM_IRQ_NEST);       // stw          r1,XLM_IRQ_NEST
1261	+	*lp++ = htonl(0x80200000 + XLM_KERNEL_DATA);// lwz              r1,XLM_KERNEL_DATA
1262	+	*lp++ = htonl(0x90c10018);                                      // stw          r6,0x18(r1)
1263	+	*lp++ = htonl(0x7cc902a6);                                      // mfctr        r6
1264	+	*lp++ = htonl(0x90c10004);                                      // stw          r6,$0004(r1)
1265	+	*lp++ = htonl(0x80c1065c);                                      // lwz          r6,$065c(r1)
1266	+	*lp++ = htonl(0x90e6013c);                                      // stw          r7,$013c(r6)
1267	+	*lp++ = htonl(0x91060144);                                      // stw          r8,$0144(r6)
1268	+	*lp++ = htonl(0x9126014c);                                      // stw          r9,$014c(r6)
1269	+	*lp++ = htonl(0x91460154);                                      // stw          r10,$0154(r6)
1270	+	*lp++ = htonl(0x9166015c);                                      // stw          r11,$015c(r6)
1271	+	*lp++ = htonl(0x91860164);                                      // stw          r12,$0164(r6)
1272	+	*lp++ = htonl(0x91a6016c);                                      // stw          r13,$016c(r6)
1273	+	*lp++ = htonl(0x7da00026);                                      // mfcr         r13
1274	+	*lp++ = htonl(0x80e10660);                                      // lwz          r7,$0660(r1)
1275	+	*lp++ = htonl(0x7d8802a6);                                      // mflr         r12
1276	+	*lp++ = htonl(0x50e74001);                                      // rlwimi.      r7,r7,8,$80000000
1277	+	*lp++ = htonl(0x81410604);                                      // lwz          r10,0x0604(r1)
1278	+	*lp++ = htonl(0x7d4803a6);                                      // mtlr         r10
1279	+	*lp++ = htonl(0x7d8a6378);                                      // mr           r10,r12
1280	+	*lp++ = htonl(0x3d600002);                                      // lis          r11,0x0002
1281	+	*lp++ = htonl(0x616bf072);                                      // ori          r11,r11,0xf072 (MSR)
1282	+	*lp++ = htonl(0x50e7deb4);                                      // rlwimi       r7,r7,27,$00000020
1283	+	*lp = htonl(0x4e800020);                                        // blr
1284	+
1285		// Patch DR emulator to jump to right address when an interrupt occurs
1286	<	lp = (uint32 *)(ROM_BASE + 0x370000);
1287	<	while (lp < (uint32 *)(ROM_BASE + 0x380000)) {
1286	>	lp = (uint32 *)(ROMBaseHost + 0x370000);
1287	>	while (lp < (uint32 *)(ROMBaseHost + 0x380000)) {
1288		if (ntohl(*lp) == 0x4ca80020)           // bclr         5,8
1289		goto dr_found;
1290		lp++;
#	Line 1265 | Line 1293 | static bool patch_68k_emul(void)
1293		return false;
1294		dr_found:
1295		lp++;
1296	<	loc = (uint32)lp - ROM_BASE;
1297	<	if ((base = powerpc_branch_target(ROM_BASE + loc)) == 0) base = ROM_BASE + loc;
1296	>	loc = (uintptr)lp - (uintptr)ROMBaseHost;
1297	>	if ((base = rom_powerpc_branch_target(loc)) == 0) base = loc;
1298		static const uint8 dr_ret_dat[] = {0x80, 0xbf, 0x08, 0x14, 0x53, 0x19, 0x4d, 0xac, 0x7c, 0xa8, 0x03, 0xa6};
1299	<	if ((base = find_rom_data(base - ROM_BASE, 0x380000, dr_ret_dat, sizeof(dr_ret_dat))) == 0) return false;
1299	>	if ((base = find_rom_data(base, 0x380000, dr_ret_dat, sizeof(dr_ret_dat))) == 0) return false;
1300		D(bug("dr_ret %08lx\n", base));
1301		if (base != loc) {
1302		// OldWorld ROMs contain an absolute branch
1303	<	D(bug(" patching absolute branch at %08x\n", (uint32)lp - ROM_BASE));
1304	<	*lp = htonl(0x48000000 + 0xf000 - (((uint32)lp - ROM_BASE) & 0xffff));          // b    DR_CACHE_BASE+0x1f000
1305	<	lp = (uint32 *)(ROM_BASE + 0x37f000);
1303	>	D(bug(" patching absolute branch at %08x\n", loc));
1304	>	*lp = htonl(0x48000000 + 0xf000 - (loc & 0xffff));                              // b    DR_CACHE_BASE+0x1f000
1305	>	lp = (uint32 *)(ROMBaseHost + 0x37f000);
1306		*lp++ = htonl(0x3c000000 + ((ROM_BASE + base) >> 16));                  // lis  r0,xxx
1307		*lp++ = htonl(0x60000000 + ((ROM_BASE + base) & 0xffff));               // ori  r0,r0,xxx
1308		*lp++ = htonl(0x7c0803a6);                                                                              // mtlr r0
#	Line 1297 | Line 1325 | static bool patch_nanokernel(void)
1325		static const uint8 virt2phys_dat[] = {0x7d, 0x1b, 0x43, 0x78, 0x3b, 0xa1, 0x03, 0x20};
1326		if ((base = find_rom_data(0x313000, 0x314000, virt2phys_dat, sizeof(virt2phys_dat))) == 0) return false;
1327		D(bug("virt2phys %08lx\n", base + 8));
1328	<	lp = (uint32 *)(ROM_BASE + base + 8);   // Don't translate virtual->physical
1328	>	lp = (uint32 *)(ROMBaseHost + base + 8);        // Don't translate virtual->physical
1329		lp[0] = htonl(0x7f7fdb78);                                      // mr           r31,r27
1330		lp[2] = htonl(POWERPC_NOP);
1331
1332		static const uint8 ppc_excp_tbl_dat[] = {0x39, 0x01, 0x04, 0x20, 0x7d, 0x13, 0x43, 0xa6};
1333		if ((base = find_rom_data(0x313000, 0x314000, ppc_excp_tbl_dat, sizeof(ppc_excp_tbl_dat))) == 0) return false;
1334		D(bug("ppc_excp_tbl %08lx\n", base));
1335	<	lp = (uint32 *)(ROM_BASE + base);               // Don't activate PPC exception table
1335	>	lp = (uint32 *)(ROMBaseHost + base);            // Don't activate PPC exception table
1336		*lp++ = htonl(0x39000000 + MODE_NATIVE);        // li   r8,MODE_NATIVE
1337		*lp = htonl(0x91000000 + XLM_RUN_MODE);         // stw  r8,XLM_RUN_MODE
1338
1339		static const uint8 save_fpu_dat[] = {0x7d, 0x00, 0x00, 0xa6, 0x61, 0x08, 0x20, 0x00, 0x7d, 0x00, 0x01, 0x24};
1340		if ((base = find_rom_data(0x310000, 0x314000, save_fpu_dat, sizeof(save_fpu_dat))) == 0) return false;
1341		D(bug("save_fpu %08lx\n", base));
1342	<	lp = (uint32 *)(ROM_BASE + base);               // Don't modify MSR to turn on FPU
1342	>	lp = (uint32 *)(ROMBaseHost + base);            // Don't modify MSR to turn on FPU
1343		if (ntohl(lp[4]) != 0x556b04e2) return false;
1344	<	loc = ROM_BASE + base;
1344	>	loc = base;
1345		#if 1
1346		// FIXME: is that really intended?
1347		*lp++ = htonl(POWERPC_NOP);
#	Line 1331 | Line 1359 | static bool patch_nanokernel(void)
1359		static const uint8 save_fpu_caller_dat[] = {0x93, 0xa6, 0x01, 0xec, 0x93, 0xc6, 0x01, 0xf4, 0x93, 0xe6, 0x01, 0xfc, 0x40};
1360		if ((base = find_rom_data(0x310000, 0x314000, save_fpu_caller_dat, sizeof(save_fpu_caller_dat))) == 0) return false;
1361		D(bug("save_fpu_caller %08lx\n", base + 12));
1362	<	if (powerpc_branch_target(ROM_BASE + base + 12) != loc) return false;
1363	<	lp = (uint32 *)(ROM_BASE + base + 12);  // Always save FPU state
1362	>	if (rom_powerpc_branch_target(base + 12) != loc) return false;
1363	>	lp = (uint32 *)(ROMBaseHost + base + 12);       // Always save FPU state
1364		*lp = htonl(0x48000000 | (ntohl(*lp) & 0xffff));        // bl   0x00312e88
1365
1366		static const uint8 mdec_dat[] = {0x7f, 0xf6, 0x02, 0xa6, 0x2c, 0x08, 0x00, 0x00, 0x93, 0xe1, 0x06, 0x68, 0x7d, 0x16, 0x03, 0xa6};
1367		if ((base = find_rom_data(0x310000, 0x314000, mdec_dat, sizeof(mdec_dat))) == 0) return false;
1368		D(bug("mdec %08lx\n", base));
1369	<	lp = (uint32 *)(ROM_BASE + base);               // Don't modify DEC
1369	>	lp = (uint32 *)(ROMBaseHost + base);            // Don't modify DEC
1370		lp[0] = htonl(0x3be00000);                                      // li   r31,0
1371		#if 1
1372		lp[3] = htonl(POWERPC_NOP);
#	Line 1351 | Line 1379 | static bool patch_nanokernel(void)
1379		static const uint8 restore_fpu_caller_dat[] = {0x81, 0x06, 0x00, 0xf4, 0x81, 0x46, 0x00, 0xfc, 0x7d, 0x09, 0x03, 0xa6, 0x40};
1380		if ((base = find_rom_data(0x310000, 0x314000, restore_fpu_caller_dat, sizeof(restore_fpu_caller_dat))) == 0) return false;
1381		D(bug("restore_fpu_caller %08lx\n", base + 12));
1382	<	lp = (uint32 *)(ROM_BASE + base + 12);  // Always restore FPU state
1382	>	lp = (uint32 *)(ROMBaseHost + base + 12);       // Always restore FPU state
1383		*lp = htonl(0x48000000 | (ntohl(*lp) & 0xffff));        // bl   0x00312ddc
1384
1385		static const uint8 m68k_excp_tbl_dat[] = {0x81, 0x21, 0x06, 0x58, 0x39, 0x01, 0x03, 0x60, 0x7d, 0x13, 0x43, 0xa6};
1386		if ((base = find_rom_data(0x310000, 0x314000, m68k_excp_tbl_dat, sizeof(m68k_excp_tbl_dat))) == 0) return false;
1387		D(bug("m68k_excp %08lx\n", base + 4));
1388	<	lp = (uint32 *)(ROM_BASE + base + 4);   // Don't activate 68k exception table
1388	>	lp = (uint32 *)(ROMBaseHost + base + 4);        // Don't activate 68k exception table
1389		*lp++ = htonl(0x39000000 + MODE_68K);           // li   r8,MODE_68K
1390		*lp = htonl(0x91000000 + XLM_RUN_MODE);         // stw  r8,XLM_RUN_MODE
1391
#	Line 1365 | Line 1393 | static bool patch_nanokernel(void)
1393		static const uint8 restore_fpu_caller2_dat[] = {0x81, 0x86, 0x00, 0x8c, 0x80, 0x66, 0x00, 0x94, 0x80, 0x86, 0x00, 0x9c, 0x40};
1394		if ((base = find_rom_data(0x310000, 0x314000, restore_fpu_caller2_dat, sizeof(restore_fpu_caller2_dat))) == 0) return false;
1395		D(bug("restore_fpu_caller2 %08lx\n", base + 12));
1396	<	loc = powerpc_branch_target(ROM_BASE + base + 12) - ROM_BASE;
1397	<	lp = (uint32 *)(ROM_BASE + base + 12);  // Always restore FPU state
1396	>	loc = rom_powerpc_branch_target(base + 12);
1397	>	lp = (uint32 *)(ROMBaseHost + base + 12);       // Always restore FPU state
1398		*lp = htonl(0x48000000 | (ntohl(*lp) & 0xffff));        // bl   0x00312dd4
1399
1400		static const uint8 restore_fpu_dat[] = {0x55, 0x68, 0x04, 0xa5, 0x4c, 0x82, 0x00, 0x20, 0x81, 0x06, 0x00, 0xe4};
1401		if ((base = find_rom_data(0x310000, 0x314000, restore_fpu_dat, sizeof(restore_fpu_dat))) == 0) return false;
1402		D(bug("restore_fpu %08lx\n", base));
1403		if (base != loc) return false;
1404	<	lp = (uint32 *)(ROM_BASE + base + 4);   // Don't modify MSR to turn on FPU
1404	>	lp = (uint32 *)(ROMBaseHost + base + 4);        // Don't modify MSR to turn on FPU
1405		*lp++ = htonl(POWERPC_NOP);
1406		lp += 2;
1407		*lp++ = htonl(POWERPC_NOP);
#	Line 1382 | Line 1410 | static bool patch_nanokernel(void)
1410		*lp++ = htonl(POWERPC_NOP);
1411		*lp = htonl(POWERPC_NOP);
1412
1413	+	// Disable suspend (FE0F opcode)
1414	+	// TODO: really suspend SheepShaver?
1415	+	static const uint8 suspend_dat[] = {0x7c, 0x88, 0x68, 0x39, 0x41, 0x9d};
1416	+	if ((base = find_rom_data(0x315000, 0x316000, suspend_dat, sizeof(suspend_dat))) == 0) return false;
1417	+	D(bug("suspend %08lx\n", base));
1418	+	lp = (uint32 *)(ROMBaseHost + base + 4);
1419	+	*lp = htonl((ntohl(*lp) & 0xffff) | 0x48000000);        // bgt -> b
1420	+
1421		// Patch trap return routine
1422		static const uint8 trap_return_dat[] = {0x80, 0xc1, 0x00, 0x18, 0x80, 0x21, 0x00, 0x04, 0x4c, 0x00, 0x00, 0x64};
1423		if ((base = find_rom_data(0x312000, 0x320000, trap_return_dat, sizeof(trap_return_dat))) == 0) return false;
1424		D(bug("trap_return %08lx\n", base + 8));
1425	<	lp = (uint32 *)(ROM_BASE + base + 8);   // Replace rfi
1425	>	lp = (uint32 *)(ROMBaseHost + base + 8);        // Replace rfi
1426		*lp = htonl(POWERPC_BCTR);
1427
1428		while (ntohl(*lp) != 0x7d5a03a6) lp--;
1429		*lp++ = htonl(0x7d4903a6);                                      // mtctr        r10
1430		*lp++ = htonl(0x7daff120);                                      // mtcr r13
1431	<	*lp = htonl(0x48000000 + ((0x318000 - ((uint32)lp - ROM_BASE)) & 0x03fffffc));  // b            ROM_BASE+0x318000
1432	<	uint32 npc = (uint32)(lp + 1) - ROM_BASE;
1431	>	*lp = htonl(0x48000000 + ((0x318000 - ((uintptr)lp - (uintptr)ROMBaseHost)) & 0x03fffffc));     // b            ROM_BASE+0x318000
1432	>	uint32 npc = (uintptr)(lp + 1) - (uintptr)ROMBaseHost;
1433
1434	<	lp = (uint32 *)(ROM_BASE + 0x318000);
1434	>	lp = (uint32 *)(ROMBaseHost + 0x318000);
1435		*lp++ = htonl(0x81400000 + XLM_IRQ_NEST);       // lwz  r10,XLM_IRQ_NEST
1436		*lp++ = htonl(0x394affff);                                      // subi r10,r10,1
1437		*lp++ = htonl(0x91400000 + XLM_IRQ_NEST);       // stw  r10,XLM_IRQ_NEST
1438		*lp = htonl(0x48000000 + ((npc - 0x31800c) & 0x03fffffc));      // b            ROM_BASE+0x312c2c
1439
1440	+	// Patch FEOA opcode, selector 0x0A (virtual->physical page index)
1441	+	static const uint8 fe0a_0a_dat[] = {0x55, 0x23, 0xa3, 0x3e, 0x4b};
1442	+	if ((base = find_rom_data(0x314000, 0x318000, fe0a_0a_dat, sizeof(fe0a_0a_dat))) == 0) return false;
1443	+	loc = rom_powerpc_branch_target(base - 8);
1444	+	static const uint8 fe0a_dat[] = {0x7e, 0x04, 0x48, 0x40, 0x81, 0xe1, 0x06, 0xb0, 0x54, 0x88, 0x10, 0x3a, 0x40, 0x90};
1445	+	if (find_rom_data(loc, 0x318000, fe0a_dat, sizeof(fe0a_dat)) != loc) return false;
1446	+	D(bug("fe0a_0a %08lx\n", base - 8));
1447	+	lp = (uint32 *)(ROMBaseHost + base - 8);
1448	+	*lp++ = htonl(0x7c832378);                                      // mr   r3,r4
1449	+	*lp++ = htonl(POWERPC_NOP);
1450	+	*lp = htonl(POWERPC_NOP);
1451	+
1452	+	// Disable FE0A opcode, selector 0x11 (init page tables?)
1453	+	static const uint8 fe0a_11_dat[] = {0x56, 0x07, 0x06, 0x74, 0x2c, 0x07, 0x00, 0x60, 0x40};
1454	+	if ((base = find_rom_data(0x314000, 0x318000, fe0a_11_dat, sizeof(fe0a_11_dat))) == 0) return false;
1455	+	loc = rom_powerpc_branch_target(base - 4);
1456	+	if (find_rom_data(0x314000, 0x318000, fe0a_dat, sizeof(fe0a_dat)) != loc) return false;
1457	+	D(bug("fe0a_11 %08lx\n", base - 4));
1458	+	lp = (uint32 *)(ROMBaseHost + base - 4);
1459	+	*lp++ = htonl(POWERPC_NOP);
1460	+	*lp++ = htonl(POWERPC_NOP);
1461	+	*lp++ = htonl(POWERPC_NOP);
1462	+	*lp = htonl(ntohl(*lp) | 0x02800000);           // bf => ba
1463	+
1464	+	// Patch FE0A opcode to fake a page table entry so that V=P for RAM and ROM
1465	+	static const uint8 pg_lookup_dat[] = {0x7e, 0x0f, 0x40, 0x6e, 0x81, 0xc1, 0x06, 0xa4, 0x7e, 0x00, 0x71, 0x20};
1466	+	if ((base = find_rom_data(0x310000, 0x320000, pg_lookup_dat, sizeof(pg_lookup_dat))) == 0) return false;
1467	+	D(bug("fe0a_pgtb_lookup %08lx\n", base - 12));
1468	+	lp = (uint32 *)(ROMBaseHost + base - 12);
1469	+	if (ntohl(lp[0]) != 0x81e106b0)                         // lwz  r15,$06b0(r1)
1470	+	return false;
1471	+	lp[0] = htonl(0x54906026);                                      // slwi r16,r4,12
1472	+	lp[3] = htonl(0x62100121);                                      // ori  r16,r16,0x121
1473	+
1474	+	// Patch FE0A opcode to not write to kernel memory
1475	+	static const uint8 krnl_write_dat[] = {0x38, 0xe0, 0x00, 0x01, 0x7e, 0x10, 0x38, 0x78, 0x92, 0x0f, 0x00, 0x00};
1476	+	if ((base = find_rom_data(0x310000, 0x320000, krnl_write_dat, sizeof(krnl_write_dat))) == 0) return false;
1477	+	D(bug("fe0a_krnl_write %08lx\n", base));
1478	+	lp = (uint32 *)(ROMBaseHost + base);
1479	+	lp[2] = htonl(POWERPC_NOP);
1480	+
1481		/*
1482		// Disable FE0A/FE06 opcodes
1483		lp = (uint32 *)(ROM_BASE + 0x3144ac);
#	Line 1426 | Line 1503 | static bool patch_68k(void)
1503		static const uint8 reset_dat[] = {0x4e, 0x70};
1504		if ((base = find_rom_data(0xc8, 0x120, reset_dat, sizeof(reset_dat))) == 0) return false;
1505		D(bug("reset %08lx\n", base));
1506	<	wp = (uint16 *)(ROM_BASE + base);
1506	>	wp = (uint16 *)(ROMBaseHost + base);
1507		*wp = htons(M68K_NOP);
1508
1509		// Fake reading PowerMac ID (via Universal)
1510		static const uint8 powermac_id_dat[] = {0x45, 0xf9, 0x5f, 0xff, 0xff, 0xfc, 0x20, 0x12, 0x72, 0x00};
1511		if ((base = find_rom_data(0xe000, 0x15000, powermac_id_dat, sizeof(powermac_id_dat))) == 0) return false;
1512		D(bug("powermac_id %08lx\n", base));
1513	<	wp = (uint16 *)(ROM_BASE + base);
1513	>	wp = (uint16 *)(ROMBaseHost + base);
1514		*wp++ = htons(0x203c);                  // move.l       #id,d0
1515		*wp++ = htons(0);
1516		//      if (ROMType == ROMTYPE_NEWWORLD)
#	Line 1448 | Line 1525 | static bool patch_68k(void)
1525		static const uint8 univ_info_dat[] = {0x3f, 0xff, 0x04, 0x00};
1526		if ((base = find_rom_data(0x14000, 0x18000, univ_info_dat, sizeof(univ_info_dat))) == 0) return false;
1527		D(bug("universal_info %08lx\n", base));
1528	<	lp = (uint32 *)(ROM_BASE + base - 0x14);
1528	>	lp = (uint32 *)(ROMBaseHost + base - 0x14);
1529		lp[0x00 >> 2] = htonl(ADDR_MAP_PATCH_SPACE - (base - 0x14));
1530		lp[0x10 >> 2] = htonl(0xcc003d11);              // Make it like the PowerMac 9500 UniversalInfo
1531		lp[0x14 >> 2] = htonl(0x3fff0401);
#	Line 1460 | Line 1537 | static bool patch_68k(void)
1537		lp[0x60 >> 2] = htonl(0x0000003d);
1538		} else if (ROMType == ROMTYPE_ZANZIBAR) {
1539		base = 0x12b70;
1540	<	lp = (uint32 *)(ROM_BASE + base - 0x14);
1540	>	lp = (uint32 *)(ROMBaseHost + base - 0x14);
1541		lp[0x00 >> 2] = htonl(ADDR_MAP_PATCH_SPACE - (base - 0x14));
1542		lp[0x10 >> 2] = htonl(0xcc003d11);              // Make it like the PowerMac 9500 UniversalInfo
1543		lp[0x14 >> 2] = htonl(0x3fff0401);
#	Line 1472 | Line 1549 | static bool patch_68k(void)
1549		lp[0x60 >> 2] = htonl(0x0000003d);
1550		} else if (ROMType == ROMTYPE_GOSSAMER) {
1551		base = 0x12d20;
1552	<	lp = (uint32 *)(ROM_BASE + base - 0x14);
1552	>	lp = (uint32 *)(ROMBaseHost + base - 0x14);
1553		lp[0x00 >> 2] = htonl(ADDR_MAP_PATCH_SPACE - (base - 0x14));
1554		lp[0x10 >> 2] = htonl(0xcc003d11);              // Make it like the PowerMac 9500 UniversalInfo
1555		lp[0x14 >> 2] = htonl(0x3fff0401);
#	Line 1486 | Line 1563 | static bool patch_68k(void)
1563
1564		// Construct AddrMap for NewWorld ROM
1565		if (ROMType == ROMTYPE_NEWWORLD || ROMType == ROMTYPE_ZANZIBAR || ROMType == ROMTYPE_GOSSAMER) {
1566	<	lp = (uint32 *)(ROM_BASE + ADDR_MAP_PATCH_SPACE);
1566	>	lp = (uint32 *)(ROMBaseHost + ADDR_MAP_PATCH_SPACE);
1567		memset(lp - 10, 0, 0x128);
1568		lp[-10] = htonl(0x0300001c);
1569		lp[-9] = htonl(0x000108c4);
#	Line 1510 | Line 1587 | static bool patch_68k(void)
1587		static const uint8 via_init_dat[] = {0x08, 0x00, 0x00, 0x02, 0x67, 0x00, 0x00, 0x2c, 0x24, 0x68, 0x00, 0x08};
1588		if ((base = find_rom_data(0xe000, 0x15000, via_init_dat, sizeof(via_init_dat))) == 0) return false;
1589		D(bug("via_init %08lx\n", base));
1590	<	wp = (uint16 *)(ROM_BASE + base + 4);
1590	>	wp = (uint16 *)(ROMBaseHost + base + 4);
1591		*wp = htons(0x6000);                    // bra
1592
1593		static const uint8 via_init2_dat[] = {0x24, 0x68, 0x00, 0x08, 0x00, 0x12, 0x00, 0x30, 0x4e, 0x71};
1594		if ((base = find_rom_data(0xa000, 0x10000, via_init2_dat, sizeof(via_init2_dat))) == 0) return false;
1595		D(bug("via_init2 %08lx\n", base));
1596	<	wp = (uint16 *)(ROM_BASE + base);
1596	>	wp = (uint16 *)(ROMBaseHost + base);
1597		*wp = htons(0x4ed6);                    // jmp  (a6)
1598
1599		static const uint8 via_init3_dat[] = {0x22, 0x68, 0x00, 0x08, 0x28, 0x3c, 0x20, 0x00, 0x01, 0x00};
1600		if ((base = find_rom_data(0xa000, 0x10000, via_init3_dat, sizeof(via_init3_dat))) == 0) return false;
1601		D(bug("via_init3 %08lx\n", base));
1602	<	wp = (uint16 *)(ROM_BASE + base);
1602	>	wp = (uint16 *)(ROMBaseHost + base);
1603		*wp = htons(0x4ed6);                    // jmp  (a6)
1604
1605		// Don't RunDiags, get BootGlobs pointer directly
#	Line 1530 | Line 1607 | static bool patch_68k(void)
1607		static const uint8 run_diags_dat[] = {0x60, 0xff, 0x00, 0x0c};
1608		if ((base = find_rom_data(0x110, 0x128, run_diags_dat, sizeof(run_diags_dat))) == 0) return false;
1609		D(bug("run_diags %08lx\n", base));
1610	<	wp = (uint16 *)(ROM_BASE + base);
1610	>	wp = (uint16 *)(ROMBaseHost + base);
1611		*wp++ = htons(0x4df9);                  // lea  xxx,a6
1612		*wp++ = htons((RAMBase + RAMSize - 0x1c) >> 16);
1613		*wp = htons((RAMBase + RAMSize - 0x1c) & 0xffff);
#	Line 1538 | Line 1615 | static bool patch_68k(void)
1615		static const uint8 run_diags_dat[] = {0x74, 0x00, 0x2f, 0x0e};
1616		if ((base = find_rom_data(0xd0, 0xf0, run_diags_dat, sizeof(run_diags_dat))) == 0) return false;
1617		D(bug("run_diags %08lx\n", base));
1618	<	wp = (uint16 *)(ROM_BASE + base - 6);
1618	>	wp = (uint16 *)(ROMBaseHost + base - 6);
1619		*wp++ = htons(0x4df9);                  // lea  xxx,a6
1620		*wp++ = htons((RAMBase + RAMSize - 0x1c) >> 16);
1621		*wp = htons((RAMBase + RAMSize - 0x1c) & 0xffff);
#	Line 1548 | Line 1625 | static bool patch_68k(void)
1625		static const uint8 nvram1_dat[] = {0x48, 0xe7, 0x01, 0x0e, 0x24, 0x68, 0x00, 0x08, 0x08, 0x83, 0x00, 0x1f};
1626		if ((base = find_rom_data(0x7000, 0xc000, nvram1_dat, sizeof(nvram1_dat))) == 0) return false;
1627		D(bug("nvram1 %08lx\n", base));
1628	<	wp = (uint16 *)(ROM_BASE + base);
1628	>	wp = (uint16 *)(ROMBaseHost + base);
1629		*wp++ = htons(M68K_EMUL_OP_XPRAM1);
1630		*wp = htons(M68K_RTS);
1631
#	Line 1556 | Line 1633 | static bool patch_68k(void)
1633		static const uint8 nvram2_dat[] = {0x48, 0xe7, 0x1c, 0xe0, 0x4f, 0xef, 0xff, 0xb4};
1634		if ((base = find_rom_data(0xa000, 0xd000, nvram2_dat, sizeof(nvram2_dat))) == 0) return false;
1635		D(bug("nvram2 %08lx\n", base));
1636	<	wp = (uint16 *)(ROM_BASE + base);
1636	>	wp = (uint16 *)(ROMBaseHost + base);
1637		*wp++ = htons(M68K_EMUL_OP_XPRAM2);
1638		*wp = htons(0x4ed3);                    // jmp  (a3)
1639
1640		static const uint8 nvram3_dat[] = {0x48, 0xe7, 0xdc, 0xe0, 0x4f, 0xef, 0xff, 0xb4};
1641		if ((base = find_rom_data(0xa000, 0xd000, nvram3_dat, sizeof(nvram3_dat))) == 0) return false;
1642		D(bug("nvram3 %08lx\n", base));
1643	<	wp = (uint16 *)(ROM_BASE + base);
1643	>	wp = (uint16 *)(ROMBaseHost + base);
1644		*wp++ = htons(M68K_EMUL_OP_XPRAM3);
1645		*wp = htons(0x4ed3);                    // jmp  (a3)
1646
1647		static const uint8 nvram4_dat[] = {0x4e, 0x56, 0xff, 0xa8, 0x48, 0xe7, 0x1f, 0x38, 0x16, 0x2e, 0x00, 0x13};
1648		if ((base = find_rom_data(0xa000, 0xd000, nvram4_dat, sizeof(nvram4_dat))) == 0) return false;
1649		D(bug("nvram4 %08lx\n", base));
1650	<	wp = (uint16 *)(ROM_BASE + base + 16);
1650	>	wp = (uint16 *)(ROMBaseHost + base + 16);
1651		*wp++ = htons(0x1a2e);                  // move.b       ($000f,a6),d5
1652		*wp++ = htons(0x000f);
1653		*wp++ = htons(M68K_EMUL_OP_NVRAM3);
#	Line 1583 | Line 1660 | static bool patch_68k(void)
1660		static const uint8 nvram5_dat[] = {0x0c, 0x80, 0x03, 0x00, 0x00, 0x00, 0x66, 0x0a, 0x70, 0x00, 0x21, 0xf8, 0x02, 0x0c, 0x01, 0xe4};
1661		if ((base = find_rom_data(0xa000, 0xd000, nvram5_dat, sizeof(nvram5_dat))) == 0) return false;
1662		D(bug("nvram5 %08lx\n", base));
1663	<	wp = (uint16 *)(ROM_BASE + base + 6);
1663	>	wp = (uint16 *)(ROMBaseHost + base + 6);
1664		*wp = htons(M68K_NOP);
1665
1666		static const uint8 nvram6_dat[] = {0x2f, 0x0a, 0x24, 0x48, 0x4f, 0xef, 0xff, 0xa0, 0x20, 0x0f};
1667		if ((base = find_rom_data(0x9000, 0xb000, nvram6_dat, sizeof(nvram6_dat))) == 0) return false;
1668		D(bug("nvram6 %08lx\n", base));
1669	<	wp = (uint16 *)(ROM_BASE + base);
1669	>	wp = (uint16 *)(ROMBaseHost + base);
1670		*wp++ = htons(0x7000);                  // moveq        #0,d0
1671		*wp++ = htons(0x2080);                  // move.l       d0,(a0)
1672		*wp++ = htons(0x4228);                  // clr.b        4(a0)
#	Line 1600 | Line 1677 | static bool patch_68k(void)
1677		base = find_rom_data(0x9000, 0xb000, nvram7_dat, sizeof(nvram7_dat));
1678		if (base) {
1679		D(bug("nvram7 %08lx\n", base));
1680	<	wp = (uint16 *)(ROM_BASE + base + 12);
1680	>	wp = (uint16 *)(ROMBaseHost + base + 12);
1681		*wp = htons(M68K_RTS);
1682		}
1683		} else {
1684		static const uint8 nvram2_dat[] = {0x4e, 0xd6, 0x06, 0x41, 0x13, 0x00};
1685		if ((base = find_rom_data(0x7000, 0xb000, nvram2_dat, sizeof(nvram2_dat))) == 0) return false;
1686		D(bug("nvram2 %08lx\n", base));
1687	<	wp = (uint16 *)(ROM_BASE + base + 2);
1687	>	wp = (uint16 *)(ROMBaseHost + base + 2);
1688		*wp++ = htons(M68K_EMUL_OP_XPRAM2);
1689		*wp = htons(0x4ed3);                    // jmp  (a3)
1690
1691		static const uint8 nvram3_dat[] = {0x4e, 0xd3, 0x06, 0x41, 0x13, 0x00};
1692		if ((base = find_rom_data(0x7000, 0xb000, nvram3_dat, sizeof(nvram3_dat))) == 0) return false;
1693		D(bug("nvram3 %08lx\n", base));
1694	<	wp = (uint16 *)(ROM_BASE + base + 2);
1694	>	wp = (uint16 *)(ROMBaseHost + base + 2);
1695		*wp++ = htons(M68K_EMUL_OP_XPRAM3);
1696		*wp = htons(0x4ed3);                    // jmp  (a3)
1697
1698		static const uint32 nvram4_loc[] = {0x582f0, 0xa0a0, 0x7e50, 0xa1d0, 0x538d0, 0};
1699	<	wp = (uint16 *)(ROM_BASE + nvram4_loc[ROMType]);
1699	>	wp = (uint16 *)(ROMBaseHost + nvram4_loc[ROMType]);
1700		*wp++ = htons(0x202f);                  // move.l       4(sp),d0
1701		*wp++ = htons(0x0004);
1702		*wp++ = htons(M68K_EMUL_OP_NVRAM1);
#	Line 1633 | Line 1710 | static bool patch_68k(void)
1710		}
1711
1712		static const uint32 nvram5_loc[] = {0x58460, 0xa0f0, 0x7f40, 0xa220, 0x53a20, 0};
1713	<	wp = (uint16 *)(ROM_BASE + nvram5_loc[ROMType]);
1713	>	wp = (uint16 *)(ROMBaseHost + nvram5_loc[ROMType]);
1714		if (ROMType == ROMTYPE_ZANZIBAR || ROMType == ROMTYPE_GAZELLE) {
1715		*wp++ = htons(0x202f);                  // move.l       4(sp),d0
1716		*wp++ = htons(0x0004);
#	Line 1656 | Line 1733 | static bool patch_68k(void)
1733		static const uint8 mem_top_dat[] = {0x2c, 0x6c, 0xff, 0xec, 0x2a, 0x4c, 0xdb, 0xec, 0xff, 0xf4};
1734		if ((base = find_rom_data(0x120, 0x180, mem_top_dat, sizeof(mem_top_dat))) == 0) return false;
1735		D(bug("mem_top %08lx\n", base));
1736	<	wp = (uint16 *)(ROM_BASE + base);
1736	>	wp = (uint16 *)(ROMBaseHost + base);
1737		*wp++ = htons(M68K_EMUL_OP_FIX_MEMTOP);
1738		*wp = htons(M68K_NOP);
1739
#	Line 1664 | Line 1741 | static bool patch_68k(void)
1741		static const uint8 scc_init_caller_dat[] = {0x21, 0xce, 0x01, 0x08, 0x22, 0x78, 0x0d, 0xd8};
1742		if ((base = find_rom_data(0x180, 0x1f0, scc_init_caller_dat, sizeof(scc_init_caller_dat))) == 0) return false;
1743		D(bug("scc_init_caller %08lx\n", base + 12));
1744	<	wp = (uint16 *)(ROM_BASE + base + 12);
1745	<	loc = ntohs(wp[1]) + ((uintptr)wp - ROM_BASE) + 2;
1744	>	wp = (uint16 *)(ROMBaseHost + base + 12);
1745	>	loc = ntohs(wp[1]) + ((uintptr)wp - (uintptr)ROMBaseHost) + 2;
1746		static const uint8 scc_init_dat[] = {0x20, 0x78, 0x01, 0xdc, 0x22, 0x78, 0x01, 0xd8};
1747		if ((base = find_rom_data(loc, loc + 0x80, scc_init_dat, sizeof(scc_init_dat))) == 0) return false;
1748		D(bug("scc_init %08lx\n", base));
1749	<	wp = (uint16 *)(ROM_BASE + base);
1749	>	wp = (uint16 *)(ROMBaseHost + base);
1750		*wp++ = htons(M68K_EMUL_OP_RESET);
1751		*wp = htons(M68K_RTS);
1752
#	Line 1677 | Line 1754 | static bool patch_68k(void)
1754		static const uint8 ext_cache_dat[] = {0x4e, 0x7b, 0x00, 0x02};
1755		if ((base = find_rom_data(0x1d0, 0x230, ext_cache_dat, sizeof(ext_cache_dat))) == 0) return false;
1756		D(bug("ext_cache %08lx\n", base));
1757	<	lp = (uint32 *)(ROM_BASE + base + 6);
1758	<	wp = (uint16 *)(ROM_BASE + ntohl(*lp) + base + 6);
1757	>	loc = ReadMacInt32(ROM_BASE + base + 6);
1758	>	wp = (uint16 *)(ROMBaseHost + loc + base + 6);
1759		*wp = htons(M68K_RTS);
1760	<	lp = (uint32 *)(ROM_BASE + base + 12);
1761	<	wp = (uint16 *)(ROM_BASE + ntohl(*lp) + base + 12);
1760	>	loc = ReadMacInt32(ROM_BASE + base + 12);
1761	>	wp = (uint16 *)(ROMBaseHost + loc + base + 12);
1762		*wp = htons(M68K_RTS);
1763
1764		// Fake CPU speed test (SetupTimeK)
1765		static const uint8 timek_dat[] = {0x0c, 0x38, 0x00, 0x04, 0x01, 0x2f, 0x6d, 0x3c};
1766		if ((base = find_rom_data(0x400, 0x500, timek_dat, sizeof(timek_dat))) == 0) return false;
1767		D(bug("timek %08lx\n", base));
1768	<	wp = (uint16 *)(ROM_BASE + base);
1768	>	wp = (uint16 *)(ROMBaseHost + base);
1769		*wp++ = htons(0x31fc);                  // move.w       #xxx,TimeDBRA
1770		*wp++ = htons(100);
1771		*wp++ = htons(0x0d00);
#	Line 1707 | Line 1784 | static bool patch_68k(void)
1784		static const uint8 jump_tab_dat[] = {0x41, 0xfa, 0x00, 0x0e, 0x21, 0xc8, 0x20, 0x10, 0x4e, 0x75};
1785		if ((base = find_rom_data(0x3000, 0x6000, jump_tab_dat, sizeof(jump_tab_dat))) == 0) return false;
1786		D(bug("jump_tab %08lx\n", base));
1787	<	lp = (uint32 *)(ROM_BASE + base + 16);
1787	>	lp = (uint32 *)(ROMBaseHost + base + 16);
1788		for (;;) {
1789	<	D(bug(" %08lx\n", (uint32)lp - ROM_BASE));
1789	>	D(bug(" %08lx\n", (uintptr)lp - (uintptr)ROMBaseHost));
1790		while ((ntohl(*lp) & 0xff000000) == 0xff000000) {
1791		*lp = htonl((ntohl(*lp) & (ROM_SIZE-1)) + ROM_BASE);
1792		lp++;
#	Line 1724 | Line 1801 | static bool patch_68k(void)
1801		static const uint8 sys_zone_dat[] = {0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x40, 0x00};
1802		if ((base = find_rom_data(0x600, 0x900, sys_zone_dat, sizeof(sys_zone_dat))) == 0) return false;
1803		D(bug("sys_zone %08lx\n", base));
1804	<	lp = (uint32 *)(ROM_BASE + base);
1804	>	lp = (uint32 *)(ROMBaseHost + base);
1805		*lp++ = htonl(RAMBase ? RAMBase : 0x3000);
1806		*lp = htonl(RAMBase ? RAMBase + 0x1800 : 0x4800);
1807
#	Line 1733 | Line 1810 | static bool patch_68k(void)
1810		static const uint8 boot_stack_dat[] = {0x08, 0x38, 0x00, 0x06, 0x24, 0x0b};
1811		if ((base = find_rom_data(0x580, 0x800, boot_stack_dat, sizeof(boot_stack_dat))) == 0) return false;
1812		D(bug("boot_stack %08lx\n", base));
1813	<	wp = (uint16 *)(ROM_BASE + base);
1813	>	wp = (uint16 *)(ROMBaseHost + base);
1814		*wp++ = htons(0x207c);                  // move.l       #RAMBase+0x3ffffe,a0
1815		*wp++ = htons((RAMBase + 0x3ffffe) >> 16);
1816		*wp++ = htons((RAMBase + 0x3ffffe) & 0xffff);
#	Line 1744 | Line 1821 | static bool patch_68k(void)
1821		static const uint8 page_size_dat[] = {0x20, 0x30, 0x81, 0xf2, 0x5f, 0xff, 0xef, 0xd8, 0x00, 0x10};
1822		if ((base = find_rom_data(0xb000, 0x12000, page_size_dat, sizeof(page_size_dat))) == 0) return false;
1823		D(bug("page_size %08lx\n", base));
1824	<	wp = (uint16 *)(ROM_BASE + base);
1824	>	wp = (uint16 *)(ROMBaseHost + base);
1825		*wp++ = htons(0x203c);                  // move.l       #$1000,d0
1826		*wp++ = htons(0);
1827		*wp++ = htons(0x1000);
#	Line 1755 | Line 1832 | static bool patch_68k(void)
1832		static const uint8 page_size2_dat[] = {0x26, 0x79, 0x5f, 0xff, 0xef, 0xd8, 0x25, 0x6b, 0x00, 0x10, 0x00, 0x1e};
1833		if ((base = find_rom_data(0x50000, 0x70000, page_size2_dat, sizeof(page_size2_dat))) == 0) return false;
1834		D(bug("page_size2 %08lx\n", base));
1835	<	wp = (uint16 *)(ROM_BASE + base);
1835	>	wp = (uint16 *)(ROMBaseHost + base);
1836		*wp++ = htons(0x257c);                  // move.l       #$1000,$1e(a2)
1837		*wp++ = htons(0);
1838		*wp++ = htons(0x1000);
#	Line 1776 | Line 1853 | static bool patch_68k(void)
1853		*wp++ = htons(M68K_NOP);
1854		*wp = htons(M68K_NOP);
1855		if (ROMType == ROMTYPE_NEWWORLD)
1856	<	wp = (uint16 *)(ROM_BASE + base + 0x4a);
1856	>	wp = (uint16 *)(ROMBaseHost + base + 0x4a);
1857		else
1858	<	wp = (uint16 *)(ROM_BASE + base + 0x28);
1858	>	wp = (uint16 *)(ROMBaseHost + base + 0x28);
1859		*wp++ = htons(M68K_NOP);
1860		*wp = htons(M68K_NOP);
1861
1862		// Gestalt CPU/bus clock speed (InitGestalt, via 0x25c)
1863		if (ROMType == ROMTYPE_ZANZIBAR) {
1864	<	wp = (uint16 *)(ROM_BASE + 0x5d87a);
1864	>	wp = (uint16 *)(ROMBaseHost + 0x5d87a);
1865		*wp++ = htons(0x203c);                  // move.l       #Hz,d0
1866		*wp++ = htons(BusClockSpeed >> 16);
1867		*wp++ = htons(BusClockSpeed & 0xffff);
1868		*wp++ = htons(M68K_NOP);
1869		*wp = htons(M68K_NOP);
1870	<	wp = (uint16 *)(ROM_BASE + 0x5d888);
1870	>	wp = (uint16 *)(ROMBaseHost + 0x5d888);
1871		*wp++ = htons(0x203c);                  // move.l       #Hz,d0
1872		*wp++ = htons(CPUClockSpeed >> 16);
1873		*wp++ = htons(CPUClockSpeed & 0xffff);
#	Line 1803 | Line 1880 | static bool patch_68k(void)
1880		static const uint8 gc_mask_dat[] = {0x83, 0xa8, 0x00, 0x24, 0x4e, 0x71};
1881		if ((base = find_rom_data(0x13000, 0x20000, gc_mask_dat, sizeof(gc_mask_dat))) == 0) return false;
1882		D(bug("gc_mask %08lx\n", base));
1883	<	wp = (uint16 *)(ROM_BASE + base);
1883	>	wp = (uint16 *)(ROMBaseHost + base);
1884		*wp++ = htons(M68K_NOP);
1885		*wp = htons(M68K_NOP);
1886	<	wp = (uint16 *)(ROM_BASE + base + 0x40);
1886	>	wp = (uint16 *)(ROMBaseHost + base + 0x40);
1887		*wp++ = htons(M68K_NOP);
1888		*wp = htons(M68K_NOP);
1889	<	wp = (uint16 *)(ROM_BASE + base + 0x78);
1889	>	wp = (uint16 *)(ROMBaseHost + base + 0x78);
1890		*wp++ = htons(M68K_NOP);
1891		*wp = htons(M68K_NOP);
1892	<	wp = (uint16 *)(ROM_BASE + base + 0x96);
1892	>	wp = (uint16 *)(ROMBaseHost + base + 0x96);
1893		*wp++ = htons(M68K_NOP);
1894		*wp = htons(M68K_NOP);
1895
1896		static const uint8 gc_mask2_dat[] = {0x02, 0xa8, 0x00, 0x00, 0x00, 0x80, 0x00, 0x24};
1897		if ((base = find_rom_data(0x13000, 0x20000, gc_mask2_dat, sizeof(gc_mask2_dat))) == 0) return false;
1898		D(bug("gc_mask2 %08lx\n", base));
1899	<	wp = (uint16 *)(ROM_BASE + base);
1899	>	wp = (uint16 *)(ROMBaseHost + base);
1900		if (ROMType == ROMTYPE_GOSSAMER) {
1901		*wp++ = htons(M68K_NOP);
1902		*wp++ = htons(M68K_NOP);
#	Line 1848 | Line 1925 | static bool patch_68k(void)
1925		static const uint8 cuda_init_dat[] = {0x08, 0xa9, 0x00, 0x04, 0x16, 0x00, 0x4e, 0x71, 0x13, 0x7c, 0x00, 0x84, 0x1c, 0x00, 0x4e, 0x71};
1926		if ((base = find_rom_data(0xa000, 0x12000, cuda_init_dat, sizeof(cuda_init_dat))) == 0) return false;
1927		D(bug("cuda_init %08lx\n", base));
1928	<	wp = (uint16 *)(ROM_BASE + base);
1928	>	wp = (uint16 *)(ROMBaseHost + base);
1929		*wp++ = htons(M68K_NOP);
1930		*wp++ = htons(M68K_NOP);
1931		*wp++ = htons(M68K_NOP);
#	Line 1861 | Line 1938 | static bool patch_68k(void)
1938		static const uint8 cpu_speed_dat[] = {0x20, 0x30, 0x81, 0xf2, 0x5f, 0xff, 0xef, 0xd8, 0x00, 0x04, 0x4c, 0x7c};
1939		if ((base = find_rom_data(0x6000, 0xa000, cpu_speed_dat, sizeof(cpu_speed_dat))) == 0) return false;
1940		D(bug("cpu_speed %08lx\n", base));
1941	<	wp = (uint16 *)(ROM_BASE + base);
1941	>	wp = (uint16 *)(ROMBaseHost + base);
1942		*wp++ = htons(0x203c);                  // move.l       #(MHz<<16)|MHz,d0
1943		*wp++ = htons(CPUClockSpeed / 1000000);
1944		*wp++ = htons(CPUClockSpeed / 1000000);
1945		*wp = htons(M68K_RTS);
1946		if ((base = find_rom_data(base, 0xa000, cpu_speed_dat, sizeof(cpu_speed_dat))) != 0) {
1947		D(bug("cpu_speed2 %08lx\n", base));
1948	<	wp = (uint16 *)(ROM_BASE + base);
1948	>	wp = (uint16 *)(ROMBaseHost + base);
1949		*wp++ = htons(0x203c);                  // move.l       #(MHz<<16)|MHz,d0
1950		*wp++ = htons(CPUClockSpeed / 1000000);
1951		*wp++ = htons(CPUClockSpeed / 1000000);
#	Line 1879 | Line 1956 | static bool patch_68k(void)
1956		static const uint8 time_via_dat[] = {0x40, 0xe7, 0x00, 0x7c, 0x07, 0x00, 0x28, 0x78, 0x01, 0xd4, 0x43, 0xec, 0x10, 0x00};
1957		if ((base = find_rom_data(0x30000, 0x40000, time_via_dat, sizeof(time_via_dat))) == 0) return false;
1958		D(bug("time_via %08lx\n", base));
1959	<	wp = (uint16 *)(ROM_BASE + base);
1959	>	wp = (uint16 *)(ROMBaseHost + base);
1960		*wp++ = htons(0x4cdf);                  // movem.l      (sp)+,d0-d5/a0-a4
1961		*wp++ = htons(0x1f3f);
1962		*wp = htons(M68K_RTS);
#	Line 1889 | Line 1966 | static bool patch_68k(void)
1966		static const uint8 open_firmware_dat[] = {0x2f, 0x79, 0xff, 0x80, 0x00, 0x00, 0x00, 0xfc};
1967		if ((base = find_rom_data(0x48000, 0x58000, open_firmware_dat, sizeof(open_firmware_dat))) == 0) return false;
1968		D(bug("open_firmware %08lx\n", base));
1969	<	wp = (uint16 *)(ROM_BASE + base);
1969	>	wp = (uint16 *)(ROMBaseHost + base);
1970		*wp++ = htons(0x2f7c);                  // move.l               #deadbeef,0xfc(a7)
1971		*wp++ = htons(0xdead);
1972		*wp++ = htons(0xbeef);
1973		*wp = htons(0x00fc);
1974	<	wp = (uint16 *)(ROM_BASE + base + 0x1a);
1974	>	wp = (uint16 *)(ROMBaseHost + base + 0x1a);
1975		*wp++ = htons(M68K_NOP);                // (FE03 opcode, tries to jump to 0xdeadbeef)
1976		*wp = htons(M68K_NOP);
1977
#	Line 1902 | Line 1979 | static bool patch_68k(void)
1979		static const uint8 ext_cache2_dat[] = {0x4f, 0xef, 0xff, 0xec, 0x20, 0x4f, 0x10, 0xbc, 0x00, 0x01, 0x11, 0x7c, 0x00, 0x1b};
1980		if ((base = find_rom_data(0x13000, 0x20000, ext_cache2_dat, sizeof(ext_cache2_dat))) == 0) return false;
1981		D(bug("ext_cache2 %08lx\n", base));
1982	<	wp = (uint16 *)(ROM_BASE + base);
1982	>	wp = (uint16 *)(ROMBaseHost + base);
1983		*wp = htons(M68K_RTS);
1984
1985		// Don't install Time Manager task for 60Hz interrupt (Enable60HzInts, via 0x2b8)
#	Line 1910 | Line 1987 | static bool patch_68k(void)
1987		static const uint8 tm_task_dat[] = {0x30, 0x3c, 0x4e, 0x2b, 0xa9, 0xc9};
1988		if ((base = find_rom_data(0x2a0, 0x320, tm_task_dat, sizeof(tm_task_dat))) == 0) return false;
1989		D(bug("tm_task %08lx\n", base));
1990	<	wp = (uint16 *)(ROM_BASE + base + 28);
1990	>	wp = (uint16 *)(ROMBaseHost + base + 28);
1991		*wp++ = htons(M68K_NOP);
1992		*wp++ = htons(M68K_NOP);
1993		*wp++ = htons(M68K_NOP);
#	Line 1921 | Line 1998 | static bool patch_68k(void)
1998		static const uint8 tm_task_dat[] = {0x20, 0x3c, 0x73, 0x79, 0x73, 0x61};
1999		if ((base = find_rom_data(0x280, 0x300, tm_task_dat, sizeof(tm_task_dat))) == 0) return false;
2000		D(bug("tm_task %08lx\n", base));
2001	<	wp = (uint16 *)(ROM_BASE + base - 6);
2001	>	wp = (uint16 *)(ROMBaseHost + base - 6);
2002		*wp++ = htons(M68K_NOP);
2003		*wp++ = htons(M68K_NOP);
2004		*wp = htons(M68K_NOP);
#	Line 1938 | Line 2015 | static bool patch_68k(void)
2015		if ((base = find_rom_data(dsl_offset, dsl_offset + 0x6000, dsl_pvr_dat, sizeof(dsl_pvr_dat))) == 0) return false;
2016		}
2017		D(bug("dsl_pvr %08lx\n", base));
2018	<	lp = (uint32 *)(ROM_BASE + base + 12);
2018	>	lp = (uint32 *)(ROMBaseHost + base + 12);
2019		*lp = htonl(0x3c800000 | (PVR >> 16));  // lis  r4,PVR
2020
2021		// Don't read bus clock from 0x5fffef88 in DriverServicesLib (via 0x316)
#	Line 1946 | Line 2023 | static bool patch_68k(void)
2023		static const uint8 dsl_bus_dat[] = {0x81, 0x07, 0x00, 0x00, 0x39, 0x20, 0x42, 0x40, 0x81, 0x62, 0xff, 0x20};
2024		if ((base = find_rom_data(dsl_offset, dsl_offset + 0x6000, dsl_bus_dat, sizeof(dsl_bus_dat))) == 0) return false;
2025		D(bug("dsl_bus %08lx\n", base));
2026	<	lp = (uint32 *)(ROM_BASE + base);
2026	>	lp = (uint32 *)(ROMBaseHost + base);
2027		*lp = htonl(0x81000000 + XLM_BUS_CLOCK);        // lwz  r8,(bus clock speed)
2028		} else {
2029		static const uint8 dsl_bus_dat[] = {0x80, 0x83, 0xef, 0xe8, 0x80, 0x62, 0x00, 0x10, 0x7c, 0x04, 0x03, 0x96};
2030		if ((base = find_rom_data(dsl_offset, dsl_offset + 0x6000, dsl_bus_dat, sizeof(dsl_bus_dat))) == 0) return false;
2031		D(bug("dsl_bus %08lx\n", base));
2032	<	lp = (uint32 *)(ROM_BASE + base);
2032	>	lp = (uint32 *)(ROMBaseHost + base);
2033		*lp = htonl(0x80800000 + XLM_BUS_CLOCK);        // lwz  r4,(bus clock speed)
2034		}
2035		}
2036
2037		// Don't open InterruptTreeTNT in MotherBoardHAL init in DriverServicesLib init
2038		if (ROMType == ROMTYPE_ZANZIBAR) {
2039	<	lp = (uint32 *)(ROM_BASE + find_rom_resource(FOURCC('n','l','i','b'), -16408) + 0x16c);
2039	>	lp = (uint32 *)(ROMBaseHost + find_rom_resource(FOURCC('n','l','i','b'), -16408) + 0x16c);
2040		*lp = htonl(0x38600000);                // li   r3,0
2041		}
2042
2043	<	// FIXME: Fake reading from [HpChk]+4 (the callchain reports some function from DriverServicesLib)
2043	>	// Don't read from MacPgm in WipeOutMACPGMINFOProcPtrs (StdCLib)
2044		if (1) {
2045		uint32 hpchk_offset = find_rom_resource(FOURCC('n','l','i','b'), 10);
2046		static const uint8 hpchk_dat[] = {0x80, 0x80, 0x03, 0x16, 0x94, 0x21, 0xff, 0xb0, 0x83, 0xc4, 0x00, 0x04};
2047		if ((base = find_rom_data(hpchk_offset, hpchk_offset + 0x3000, hpchk_dat, sizeof(hpchk_dat))) == 0) return false;
2048	<	D(bug("hpchk %08lx\n", base));
2049	<	lp = (uint32 *)(ROM_BASE + base);
2048	>	D(bug("macpgm %08lx\n", base));
2049	>	lp = (uint32 *)(ROMBaseHost + base);
2050		*lp = htonl(0x80800000 + XLM_ZERO_PAGE);                // lwz  r4,(zero page)
2051		}
2052
#	Line 1977 | Line 2054 | static bool patch_68k(void)
2054		static const uint8 name_reg_dat[] = {0x70, 0xff, 0xab, 0xeb};
2055		if ((base = find_rom_data(0x300, 0x380, name_reg_dat, sizeof(name_reg_dat))) == 0) return false;
2056		D(bug("name_reg %08lx\n", base));
2057	<	wp = (uint16 *)(ROM_BASE + base);
2057	>	wp = (uint16 *)(ROMBaseHost + base);
2058		*wp = htons(M68K_EMUL_OP_NAME_REGISTRY);
2059
2060		#if DISABLE_SCSI
#	Line 1989 | Line 2066 | static bool patch_68k(void)
2066		if ((base = find_rom_data(0x1c000, 0x28000, scsi_mgr_b_dat, sizeof(scsi_mgr_b_dat))) == 0) return false;
2067		}
2068		D(bug("scsi_mgr %08lx\n", base));
2069	<	wp = (uint16 *)(ROM_BASE + base);
2069	>	wp = (uint16 *)(ROMBaseHost + base);
2070		*wp++ = htons(0x21fc);                  // move.l       #xxx,0x624      (SCSIAtomic)
2071		*wp++ = htons((ROM_BASE + base + 18) >> 16);
2072		*wp++ = htons((ROM_BASE + base + 18) & 0xffff);
#	Line 2003 | Line 2080 | static bool patch_68k(void)
2080		*wp++ = htons(M68K_RTS);
2081		*wp++ = htons(M68K_EMUL_OP_SCSI_DISPATCH);
2082		*wp = htons(0x4ed0);                    // jmp          (a0)
2083	<	wp = (uint16 *)(ROM_BASE + base + 0x20);
2083	>	wp = (uint16 *)(ROMBaseHost + base + 0x20);
2084		*wp++ = htons(0x7000);                  // moveq        #0,d0
2085		*wp = htons(M68K_RTS);
2086		#endif
#	Line 2015 | Line 2092 | static bool patch_68k(void)
2092		static const uint8 scsi_var_dat[] = {0x70, 0x01, 0xa0, 0x89, 0x4a, 0x6e, 0xfe, 0xac, 0x4f, 0xef, 0x00, 0x10, 0x66, 0x00};
2093		if ((base = find_rom_data(0x1f500, 0x1f600, scsi_var_dat, sizeof(scsi_var_dat))) != 0) {
2094		D(bug("scsi_var %08lx\n", base));
2095	<	wp = (uint16 *)(ROM_BASE + base + 12);
2095	>	wp = (uint16 *)(ROMBaseHost + base + 12);
2096		*wp = htons(0x6000);    // bra
2097		}
2098
2099		static const uint8 scsi_var2_dat[] = {0x4e, 0x56, 0xfc, 0x58, 0x48, 0xe7, 0x1f, 0x38};
2100		if ((base = find_rom_data(0x1f700, 0x1f800, scsi_var2_dat, sizeof(scsi_var2_dat))) != 0) {
2101		D(bug("scsi_var2 %08lx\n", base));
2102	<	wp = (uint16 *)(ROM_BASE + base);
2102	>	wp = (uint16 *)(ROMBaseHost + base);
2103		*wp++ = htons(0x7000);  // moveq #0,d0
2104		*wp = htons(M68K_RTS);
2105		}
#	Line 2031 | Line 2108 | static bool patch_68k(void)
2108		static const uint8 scsi_var_dat[] = {0x70, 0x01, 0xa0, 0x89, 0x4a, 0x6e, 0xfe, 0xac, 0x4f, 0xef, 0x00, 0x10, 0x66, 0x00};
2109		if ((base = find_rom_data(0x1d700, 0x1d800, scsi_var_dat, sizeof(scsi_var_dat))) != 0) {
2110		D(bug("scsi_var %08lx\n", base));
2111	<	wp = (uint16 *)(ROM_BASE + base + 12);
2111	>	wp = (uint16 *)(ROMBaseHost + base + 12);
2112		*wp = htons(0x6000);    // bra
2113		}
2114
2115		static const uint8 scsi_var2_dat[] = {0x4e, 0x56, 0xfc, 0x5a, 0x48, 0xe7, 0x1f, 0x38};
2116		if ((base = find_rom_data(0x1d900, 0x1da00, scsi_var2_dat, sizeof(scsi_var2_dat))) != 0) {
2117		D(bug("scsi_var2 %08lx\n", base));
2118	<	wp = (uint16 *)(ROM_BASE + base);
2118	>	wp = (uint16 *)(ROMBaseHost + base);
2119		*wp++ = htons(0x7000);  // moveq #0,d0
2120		*wp = htons(M68K_RTS);
2121		}
#	Line 2049 | Line 2126 | static bool patch_68k(void)
2126		static const uint8 adb_init_dat[] = {0x08, 0x2b, 0x00, 0x05, 0x01, 0x5d, 0x66, 0xf8};
2127		if ((base = find_rom_data(0x31000, 0x3d000, adb_init_dat, sizeof(adb_init_dat))) == 0) return false;
2128		D(bug("adb_init %08lx\n", base));
2129	<	wp = (uint16 *)(ROM_BASE + base + 6);
2129	>	wp = (uint16 *)(ROMBaseHost + base + 6);
2130		*wp = htons(M68K_NOP);
2131
2132		// Modify check in InitResources() so that addresses >0x80000000 work
2133		static const uint8 init_res_dat[] = {0x4a, 0xb8, 0x0a, 0x50, 0x6e, 0x20};
2134		if ((base = find_rom_data(0x78000, 0x8c000, init_res_dat, sizeof(init_res_dat))) == 0) return false;
2135		D(bug("init_res %08lx\n", base));
2136	<	bp = (uint8 *)(ROM_BASE + base + 4);
2136	>	bp = (uint8 *)(ROMBaseHost + base + 4);
2137		*bp = 0x66;
2138
2139		// Modify vCheckLoad() so that we can patch resources (68k Resource Manager)
2140		static const uint8 check_load_dat[] = {0x20, 0x78, 0x07, 0xf0, 0x4e, 0xd0};
2141		if ((base = find_rom_data(0x78000, 0x8c000, check_load_dat, sizeof(check_load_dat))) == 0) return false;
2142		D(bug("check_load %08lx\n", base));
2143	<	wp = (uint16 *)(ROM_BASE + base);
2143	>	wp = (uint16 *)(ROMBaseHost + base);
2144		*wp++ = htons(M68K_JMP);
2145		*wp++ = htons((ROM_BASE + CHECK_LOAD_PATCH_SPACE) >> 16);
2146		*wp = htons((ROM_BASE + CHECK_LOAD_PATCH_SPACE) & 0xffff);
2147	<	wp = (uint16 *)(ROM_BASE + CHECK_LOAD_PATCH_SPACE);
2147	>	wp = (uint16 *)(ROMBaseHost + CHECK_LOAD_PATCH_SPACE);
2148		*wp++ = htons(0x2f03);                  // move.l       d3,-(a7)
2149		*wp++ = htons(0x2078);                  // move.l       $07f0,a0
2150		*wp++ = htons(0x07f0);
#	Line 2083 | Line 2160 | static bool patch_68k(void)
2160		sony_offset = find_rom_resource(FOURCC('n','d','r','v'), -20196);               // NewWorld 1.6 has "PCFloppy" ndrv
2161		if (sony_offset == 0)
2162		return false;
2163	<	lp = (uint32 *)(ROM_BASE + rsrc_ptr + 8);
2163	>	lp = (uint32 *)(ROMBaseHost + rsrc_ptr + 8);
2164		*lp = htonl(FOURCC('D','R','V','R'));
2165	<	wp = (uint16 *)(ROM_BASE + rsrc_ptr + 12);
2165	>	wp = (uint16 *)(ROMBaseHost + rsrc_ptr + 12);
2166		*wp = htons(4);
2167		}
2168		D(bug("sony_offset %08lx\n", sony_offset));
2169	<	memcpy((void *)(ROM_BASE + sony_offset), sony_driver, sizeof(sony_driver));
2169	>	memcpy((void *)(ROMBaseHost + sony_offset), sony_driver, sizeof(sony_driver));
2170
2171		// Install .Disk and .AppleCD drivers
2172	<	memcpy((void *)(ROM_BASE + sony_offset + 0x100), disk_driver, sizeof(disk_driver));
2173	<	memcpy((void *)(ROM_BASE + sony_offset + 0x200), cdrom_driver, sizeof(cdrom_driver));
2172	>	memcpy((void *)(ROMBaseHost + sony_offset + 0x100), disk_driver, sizeof(disk_driver));
2173	>	memcpy((void *)(ROMBaseHost + sony_offset + 0x200), cdrom_driver, sizeof(cdrom_driver));
2174
2175		// Install serial drivers
2176		gen_ain_driver( ROM_BASE + sony_offset + 0x300);
#	Line 2103 | Line 2180 | static bool patch_68k(void)
2180
2181		// Copy icons to ROM
2182		SonyDiskIconAddr = ROM_BASE + sony_offset + 0x800;
2183	<	memcpy((void *)(ROM_BASE + sony_offset + 0x800), SonyDiskIcon, sizeof(SonyDiskIcon));
2183	>	memcpy(ROMBaseHost + sony_offset + 0x800, SonyDiskIcon, sizeof(SonyDiskIcon));
2184		SonyDriveIconAddr = ROM_BASE + sony_offset + 0xa00;
2185	<	memcpy((void *)(ROM_BASE + sony_offset + 0xa00), SonyDriveIcon, sizeof(SonyDriveIcon));
2185	>	memcpy(ROMBaseHost + sony_offset + 0xa00, SonyDriveIcon, sizeof(SonyDriveIcon));
2186		DiskIconAddr = ROM_BASE + sony_offset + 0xc00;
2187	<	memcpy((void *)(ROM_BASE + sony_offset + 0xc00), DiskIcon, sizeof(DiskIcon));
2187	>	memcpy(ROMBaseHost + sony_offset + 0xc00, DiskIcon, sizeof(DiskIcon));
2188		CDROMIconAddr = ROM_BASE + sony_offset + 0xe00;
2189	<	memcpy((void *)(ROM_BASE + sony_offset + 0xe00), CDROMIcon, sizeof(CDROMIcon));
2189	>	memcpy(ROMBaseHost + sony_offset + 0xe00, CDROMIcon, sizeof(CDROMIcon));
2190
2191		// Patch driver install routine
2192		static const uint8 drvr_install_dat[] = {0xa7, 0x1e, 0x21, 0xc8, 0x01, 0x1c, 0x4e, 0x75};
2193		if ((base = find_rom_data(0xb00, 0xd00, drvr_install_dat, sizeof(drvr_install_dat))) == 0) return false;
2194		D(bug("drvr_install %08lx\n", base));
2195	<	wp = (uint16 *)(ROM_BASE + base + 8);
2195	>	wp = (uint16 *)(ROMBaseHost + base + 8);
2196		*wp++ = htons(M68K_EMUL_OP_INSTALL_DRIVERS);
2197		*wp = htons(M68K_RTS);
2198
2199		// Don't install serial drivers from ROM
2200		if (ROMType == ROMTYPE_ZANZIBAR || ROMType == ROMTYPE_NEWWORLD || ROMType == ROMTYPE_GOSSAMER) {
2201	<	wp = (uint16 *)(ROM_BASE + find_rom_resource(FOURCC('S','E','R','D'), 0));
2201	>	wp = (uint16 *)(ROMBaseHost + find_rom_resource(FOURCC('S','E','R','D'), 0));
2202		*wp = htons(M68K_RTS);
2203		} else {
2204	<	wp = (uint16 *)(ROM_BASE + find_rom_resource(FOURCC('s','l','0','5'), 2) + 0xc4);
2204	>	wp = (uint16 *)(ROMBaseHost + find_rom_resource(FOURCC('s','l','0','5'), 2) + 0xc4);
2205		*wp++ = htons(M68K_NOP);
2206		*wp++ = htons(M68K_NOP);
2207		*wp++ = htons(M68K_NOP);
2208		*wp++ = htons(M68K_NOP);
2209		*wp = htons(0x7000);                    // moveq        #0,d0
2210	<	wp = (uint16 *)(ROM_BASE + find_rom_resource(FOURCC('s','l','0','5'), 2) + 0x8ee);
2210	>	wp = (uint16 *)(ROMBaseHost + find_rom_resource(FOURCC('s','l','0','5'), 2) + 0x8ee);
2211		*wp = htons(M68K_NOP);
2212		}
2213		uint32 nsrd_offset = find_rom_resource(FOURCC('n','s','r','d'), 1);
2214		if (nsrd_offset) {
2215	<	lp = (uint32 *)(ROM_BASE + rsrc_ptr + 8);
2215	>	lp = (uint32 *)(ROMBaseHost + rsrc_ptr + 8);
2216		*lp = htonl(FOURCC('x','s','r','d'));
2217		}
2218
2219		// Replace ADBOp()
2220	<	memcpy((void *)(ROM_BASE + find_rom_trap(0xa07c)), adbop_patch, sizeof(adbop_patch));
2220	>	memcpy(ROMBaseHost + find_rom_trap(0xa07c), adbop_patch, sizeof(adbop_patch));
2221
2222		// Replace Time Manager
2223	<	wp = (uint16 *)(ROM_BASE + find_rom_trap(0xa058));
2223	>	wp = (uint16 *)(ROMBaseHost + find_rom_trap(0xa058));
2224		*wp++ = htons(M68K_EMUL_OP_INSTIME);
2225		*wp = htons(M68K_RTS);
2226	<	wp = (uint16 *)(ROM_BASE + find_rom_trap(0xa059));
2226	>	wp = (uint16 *)(ROMBaseHost + find_rom_trap(0xa059));
2227		*wp++ = htons(0x40e7);          // move sr,-(sp)
2228		*wp++ = htons(0x007c);          // ori  #$0700,sr
2229		*wp++ = htons(0x0700);
2230		*wp++ = htons(M68K_EMUL_OP_RMVTIME);
2231		*wp++ = htons(0x46df);          // move (sp)+,sr
2232		*wp = htons(M68K_RTS);
2233	<	wp = (uint16 *)(ROM_BASE + find_rom_trap(0xa05a));
2233	>	wp = (uint16 *)(ROMBaseHost + find_rom_trap(0xa05a));
2234		*wp++ = htons(0x40e7);          // move sr,-(sp)
2235		*wp++ = htons(0x007c);          // ori  #$0700,sr
2236		*wp++ = htons(0x0700);
2237		*wp++ = htons(M68K_EMUL_OP_PRIMETIME);
2238		*wp++ = htons(0x46df);          // move (sp)+,sr
2239		*wp = htons(M68K_RTS);
2240	<	wp = (uint16 *)(ROM_BASE + find_rom_trap(0xa093));
2240	>	wp = (uint16 *)(ROMBaseHost + find_rom_trap(0xa093));
2241		*wp++ = htons(M68K_EMUL_OP_MICROSECONDS);
2242		*wp = htons(M68K_RTS);
2243
#	Line 2168 | Line 2245 | static bool patch_68k(void)
2245		static const uint8 egret_dat[] = {0x2f, 0x30, 0x81, 0xe2, 0x20, 0x10, 0x00, 0x18};
2246		if ((base = find_rom_data(0xa000, 0x10000, egret_dat, sizeof(egret_dat))) == 0) return false;
2247		D(bug("egret %08lx\n", base));
2248	<	wp = (uint16 *)(ROM_BASE + base);
2248	>	wp = (uint16 *)(ROMBaseHost + base);
2249		*wp++ = htons(0x7000);
2250		*wp = htons(M68K_RTS);
2251
#	Line 2176 | Line 2253 | static bool patch_68k(void)
2253		static const uint8 shutdown_dat[] = {0x40, 0xe7, 0x00, 0x7c, 0x07, 0x00, 0x48, 0xe7, 0x3f, 0x00, 0x2c, 0x00, 0x2e, 0x01};
2254		if ((base = find_rom_data(0x30000, 0x40000, shutdown_dat, sizeof(shutdown_dat))) == 0) return false;
2255		D(bug("shutdown %08lx\n", base));
2256	<	wp = (uint16 *)(ROM_BASE + base);
2256	>	wp = (uint16 *)(ROMBaseHost + base);
2257		if (ROMType == ROMTYPE_ZANZIBAR)
2258		*wp = htons(M68K_RTS);
2259		else if (ntohs(wp[-4]) == 0x61ff)
#	Line 2185 | Line 2262 | static bool patch_68k(void)
2262		wp[-2] = htons(0x6000); // bra
2263
2264		// Patch PowerOff()
2265	<	wp = (uint16 *)(ROM_BASE + find_rom_trap(0xa05b));      // PowerOff()
2265	>	wp = (uint16 *)(ROMBaseHost + find_rom_trap(0xa05b));   // PowerOff()
2266		*wp = htons(M68K_EMUL_RETURN);
2267
2268		// Patch VIA interrupt handler
#	Line 2193 | Line 2270 | static bool patch_68k(void)
2270		if ((base = find_rom_data(0x13000, 0x1c000, via_int_dat, sizeof(via_int_dat))) == 0) return false;
2271		D(bug("via_int %08lx\n", base));
2272		uint32 level1_int = ROM_BASE + base;
2273	<	wp = (uint16 *)level1_int;                      // Level 1 handler
2273	>	wp = (uint16 *)(ROMBaseHost + base);    // Level 1 handler
2274		*wp++ = htons(0x7002);                  // moveq        #2,d0 (60Hz interrupt)
2275		*wp++ = htons(M68K_NOP);
2276		*wp++ = htons(M68K_NOP);
#	Line 2203 | Line 2280 | static bool patch_68k(void)
2280		static const uint8 via_int2_dat[] = {0x13, 0x7c, 0x00, 0x02, 0x1a, 0x00, 0x4e, 0x71, 0x52, 0xb8, 0x01, 0x6a};
2281		if ((base = find_rom_data(0x10000, 0x18000, via_int2_dat, sizeof(via_int2_dat))) == 0) return false;
2282		D(bug("via_int2 %08lx\n", base));
2283	<	wp = (uint16 *)(ROM_BASE + base);       // 60Hz handler
2283	>	wp = (uint16 *)(ROMBaseHost + base);    // 60Hz handler
2284		*wp++ = htons(M68K_EMUL_OP_IRQ);
2285		*wp++ = htons(0x4a80);                  // tst.l        d0
2286		*wp++ = htons(0x6700);                  // beq          xxx
#	Line 2213 | Line 2290 | static bool patch_68k(void)
2290		static const uint8 via_int3_dat[] = {0x48, 0xe7, 0xf0, 0xf0, 0x76, 0x01, 0x60, 0x26};
2291		if ((base = find_rom_data(0x15000, 0x19000, via_int3_dat, sizeof(via_int3_dat))) == 0) return false;
2292		D(bug("via_int3 %08lx\n", base));
2293	<	wp = (uint16 *)(ROM_BASE + base);       // CHRP level 1 handler
2293	>	wp = (uint16 *)(ROMBaseHost + base);    // CHRP level 1 handler
2294		*wp++ = htons(M68K_JMP);
2295		*wp++ = htons((level1_int - 12) >> 16);
2296		*wp = htons((level1_int - 12) & 0xffff);
#	Line 2221 | Line 2298 | static bool patch_68k(void)
2298
2299		// Patch PutScrap() for clipboard exchange with host OS
2300		uint32 put_scrap = find_rom_trap(0xa9fe);       // PutScrap()
2301	<	wp = (uint16 *)(ROM_BASE + PUT_SCRAP_PATCH_SPACE);
2301	>	wp = (uint16 *)(ROMBaseHost + PUT_SCRAP_PATCH_SPACE);
2302		*wp++ = htons(M68K_EMUL_OP_PUT_SCRAP);
2303		*wp++ = htons(M68K_JMP);
2304		*wp++ = htons((ROM_BASE + put_scrap) >> 16);
2305		*wp++ = htons((ROM_BASE + put_scrap) & 0xffff);
2306	<	lp = (uint32 *)(ROM_BASE + 0x22);
2307	<	lp = (uint32 *)(ROM_BASE + ntohl(*lp));
2231	<	lp[0xa9fe & 0x3ff] = htonl(PUT_SCRAP_PATCH_SPACE);
2306	>	base = ROM_BASE + ReadMacInt32(ROM_BASE + 0x22);
2307	>	WriteMacInt32(base + 4 * (0xa9fe & 0x3ff), PUT_SCRAP_PATCH_SPACE);
2308
2309		// Patch GetScrap() for clipboard exchange with host OS
2310		uint32 get_scrap = find_rom_trap(0xa9fd);       // GetScrap()
2311	<	wp = (uint16 *)(ROM_BASE + GET_SCRAP_PATCH_SPACE);
2311	>	wp = (uint16 *)(ROMBaseHost + GET_SCRAP_PATCH_SPACE);
2312		*wp++ = htons(M68K_EMUL_OP_GET_SCRAP);
2313		*wp++ = htons(M68K_JMP);
2314		*wp++ = htons((ROM_BASE + get_scrap) >> 16);
2315		*wp++ = htons((ROM_BASE + get_scrap) & 0xffff);
2316	<	lp = (uint32 *)(ROM_BASE + 0x22);
2317	<	lp = (uint32 *)(ROM_BASE + ntohl(*lp));
2242	<	lp[0xa9fd & 0x3ff] = htonl(GET_SCRAP_PATCH_SPACE);
2316	>	base = ROM_BASE + ReadMacInt32(ROM_BASE + 0x22);
2317	>	WriteMacInt32(base + 4 * (0xa9fd & 0x3ff), GET_SCRAP_PATCH_SPACE);
2318
2319		// Patch SynchIdleTime()
2320		if (PrefsFindBool("idlewait")) {
2321	<	wp = (uint16 *)(ROM_BASE + find_rom_trap(0xabf7) + 4);  // SynchIdleTime()
2322	<	D(bug("SynchIdleTime at %08lx\n", wp));
2321	>	base = find_rom_trap(0xabf7) + 4;                                               // SynchIdleTime()
2322	>	wp = (uint16 *)(ROMBaseHost + base);
2323	>	D(bug("SynchIdleTime at %08lx\n", base));
2324		if (ntohs(*wp) == 0x2078) {                                                             // movea.l      ExpandMem,a0
2325		*wp++ = htons(M68K_EMUL_OP_IDLE_TIME);
2326		*wp = htons(M68K_NOP);
#	Line 2278 | Line 2354 | static bool patch_68k(void)
2354		if ((thing = find_rom_resource(sifter_list[i].type, sifter_list[i].id)) != 0) {
2355		D(bug(" patching type %08x, id %d\n", sifter_list[i].type, sifter_list[i].id));
2356		// Install 68k glue code
2357	<	uint16 *wp = (uint16 *)(ROM_BASE + thing);
2357	>	uint16 *wp = (uint16 *)(ROMBaseHost + thing);
2358		*wp++ = htons(0x4e56); *wp++ = htons(0x0000);   // link a6,#0
2359		*wp++ = htons(0x48e7); *wp++ = htons(0x8018);   // movem.l d0/a3-a4,-(a7)
2360		*wp++ = htons(0x266e); *wp++ = htons(0x000c);   // movea.l $c(a6),a3
#	Line 2305 | Line 2381 | void InstallDrivers(void)
2381		SheepArray<SIZEOF_IOParam> pb_var;
2382		const uintptr pb = pb_var.addr();
2383
2384	+	#if DISABLE_SCSI
2385	+	// Setup fake SCSI Globals
2386	+	r.d[0] = 0x1000;
2387	+	Execute68kTrap(0xa71e, &r);             // NewPtrSysClear()
2388	+	uint32 scsi_globals = r.a[0];
2389	+	D(bug("Fake SCSI globals at %08lx\n", scsi_globals));
2390	+	WriteMacInt32(0xc0c, scsi_globals);     // Set SCSIGlobals
2391	+	#endif
2392	+
2393		// Install floppy driver
2394		if (ROMType == ROMTYPE_NEWWORLD || ROMType == ROMTYPE_GOSSAMER) {
2395
#	Line 2319 | Line 2404 | void InstallDrivers(void)
2404		WriteMacInt16(dce + dCtlFlags, SonyDriverFlags);
2405		}
2406
2322	–	#if DISABLE_SCSI && HAVE_SIGSEGV_SKIP_INSTRUCTION
2323	–	// Fake SCSIGlobals
2324	–	WriteMacInt32(0xc0c, SheepMem::ZeroPage());
2325	–	#endif
2326	–
2407		// Open .Sony driver
2408		SheepString sony_str("\005.Sony");
2409		WriteMacInt8(pb + ioPermssn, 0);

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