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root/cebix/SheepShaver/src/rsrc_patches.cpp

Comparing SheepShaver/src/rsrc_patches.cpp (file contents):
Revision 1.15 by gbeauche, 2005-01-30T21:48:19Z vs.
Revision 1.21 by gbeauche, 2006-05-08T23:32:58Z

#	Line 124 | Line 124 | void CheckLoad(uint32 type, int16 id, ui
124		D(bug("boot 3 found\n"));
125		size >>= 1;
126		while (size--) {
127	<	if (PM(0,0x2e49)) {
128	<	// Set boot stack pointer (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1, 8.5, 8.6)
129	<	p[0] = htons(M68K_EMUL_OP_FIX_BOOTSTACK);
127	>	if (PM(0,0x51c9) && PM(2,0x2e49)) {
128	>	// Set boot stack pointer (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1, 8.5, 8.6, 9.0)
129	>	p[2] = htons(M68K_EMUL_OP_FIX_BOOTSTACK);
130		D(bug(" patch 1 applied\n"));
131		} else if (PM(0,0x4267) && PM(1,0x3f01) && PM(2,0x3f2a) && PM(3,0x0006) && PM(4,0x6100)) {
132		// Check when ntrb 17 is installed (for native Resource Manager patch) (7.5.3, 7.5.5)
#	Line 144 | Line 144 | void CheckLoad(uint32 type, int16 id, ui
144		// Check when ntrb 17 is installed (for native Resource Manager patch) (9.0)
145		p[7] = htons(M68K_EMUL_OP_NTRB_17_PATCH4);
146		p[8] = htons(ntohs(p[8]) & 0xf0ff); // bra
147	<	D(bug(" patch 8 applied\n"));
147	>	D(bug(" patch 5 applied\n"));
148		} else if (PM(0,0x0c39) && PM(1,0x0001) && PM(2,0xf800) && PM(3,0x0008) && PM(4,0x6f00)) {
149	<	// Don't read from 0xf8000008 (8.5 with Zanzibar ROM, 8.6)
149	>	// Don't read from 0xf8000008 (8.5 with Zanzibar ROM, 8.6, 9.0)
150		p[0] = htons(M68K_NOP);
151		p[1] = htons(M68K_NOP);
152		p[2] = htons(M68K_NOP);
153		p[3] = htons(M68K_NOP);
154		p[4] = htons(0x6000);   // bra
155	<	D(bug(" patch 5 applied\n"));
155	>	D(bug(" patch 6 applied\n"));
156		} else if (PM(0,0x2f3c) && PM(1,0x6b72) && PM(2,0x6e6c) && PM(3,0x4267) && PM(4,0xa9a0) && PM(5,0x265f) && PM(6,0x200b) && PM(7,0x6700)) {
157	<	// Don't replace nanokernel ("krnl" resource) (8.6)
157	>	// Don't replace nanokernel ("krnl" resource) (8.6, 9.0)
158		p[0] = htons(M68K_NOP);
159		p[1] = htons(M68K_NOP);
160		p[2] = htons(M68K_NOP);
161		p[3] = htons(M68K_NOP);
162		p[4] = htons(M68K_NOP);
163		p[7] = htons(0x6000);   // bra
164	<	D(bug(" patch 6 applied\n"));
164	>	D(bug(" patch 7 applied\n"));
165		} else if (PM(0,0xa8fe) && PM(1,0x3038) && PM(2,0x017a) && PM(3,0x0c40) && PM(4,0x8805) && PM(5,0x6710)) {
166		// No SCSI (calls via 0x205c jump vector which is not initialized in NewWorld ROM 1.6) (8.6)
167		if (ROMType == ROMTYPE_NEWWORLD) {
168		p[5] = htons(0x6010);   // bra
169	<	D(bug(" patch 7 applied\n"));
169	>	D(bug(" patch 8 applied\n"));
170		}
171	+	} else if (PM(0,0x2f3c) && PM(1,0x7665) && PM(2,0x7273) && PM(3,0x3f3c) && PM(4,0x0001) && PM(10,0x2041) && PM(11,0x2248) && PM(12,0x2050) && PM(20,0x7066) && PM(21,0xa9c9)) {
172	+	// Check when vers 1 is installed (for safe abort if MacOS < 8.1 is used with a NewWorld ROM)
173	+	p[10] = htons(M68K_EMUL_OP_CHECK_SYSV);
174	+	p[11] = htons(0x4a81);  // tst.l        d1
175	+	p[12] = htons(0x670e);  // beq.s        <SysError #dsOldSystem>
176	+	D(bug(" patch 9 applied\n"));
177		}
178		p++;
179		}
#	Line 224 | Line 230 | void CheckLoad(uint32 type, int16 id, ui
230		D(bug(" patch 2 applied\n"));
231		break;
232		} else if (PM(0,0xa030) && PM(1,0x5240) && PM(2,0x7000) && PM(3,0x302e) && PM(4,0xfecc) && PM(5,0x323c) && PM(6,0x0100)) {
233	<	// Disable VM (8.5, 8.6)
233	>	// Disable VM (8.5, 8.6, 9.0)
234		p[8] = htons(M68K_NOP);
235		p[15] = htons(M68K_NOP);
236		D(bug(" patch 3 applied\n"));
#	Line 260 | Line 266 | void CheckLoad(uint32 type, int16 id, ui
266		p[-3] = htons(M68K_NOP);
267		p[0] = htons(0x6018);
268		D(bug(" patch 2 applied\n"));
269	+	} else if (PM(0,0x6660) && PM(1,0x2278) && PM(2,0x0134)) {
270	+	// We don't have SonyVars (7.5.3 Revision 2.2)
271	+	p[-6] = htons(M68K_NOP);
272	+	p[-3] = htons(M68K_NOP);
273	+	p[0] = htons(0x6060);
274	+	D(bug(" patch 3 applied\n"));
275		} else if (PM(0,0x666e) && PM(1,0x2278) && PM(2,0x0134)) {
276		// We don't have SonyVars (7.5.5)
277		p[-6] = htons(M68K_NOP);
278		p[-3] = htons(M68K_NOP);
279		p[0] = htons(0x606e);
280	<	D(bug(" patch 3 applied\n"));
280	>	D(bug(" patch 4 applied\n"));
281		} else if (PM(0,0x6400) && PM(1,0x011c) && PM(2,0x2278) && PM(3,0x0134)) {
282	<	// We don't have SonyVars (7.6.1, 8.0, 8.1, 8.5, 8.6)
282	>	// We don't have SonyVars (7.6.1, 8.0, 8.1, 8.5, 8.6, 9.0)
283		p[0] = htons(0x6000);
284	<	D(bug(" patch 4 applied\n"));
284	>	D(bug(" patch 5 applied\n"));
285		} else if (PM(0,0x6400) && PM(1,0x00e6) && PM(2,0x2278) && PM(3,0x0134)) {
286		// We don't have SonyVars (7.6)
287		p[0] = htons(0x6000);
288	<	D(bug(" patch 5 applied\n"));
288	>	D(bug(" patch 6 applied\n"));
289		}
290		p++;
291		}
#	Line 340 | Line 352 | void CheckLoad(uint32 type, int16 id, ui
352		p[2] = htons(M68K_NOP);
353		D(bug(" patch 2 applied\n"));
354		} else if (PM(0,0x700a) && PM(1,0xfe0a)) {
355	<	// Don't call FE0A opcode (7.6, 7.6.1, 8.0, 8.1, 8.5, 8.6)
356	<	p[1] = htons(0x7000);
355	>	// Don't call FE0A opcode (7.6, 7.6.1, 8.0, 8.1, 8.5, 8.6, 9.0)
356	>	p[1] = htons(0x2008);   // move.l a0,d0
357		D(bug(" patch 3 applied\n"));
346	–	} else if (PM(0,0x6c00) && PM(1,0x016a) && PM(2,0x2278) && PM(3,0x0134)) {
347	–	// We don't have SonyVars (8.6)
348	–	p[-4] = htons(0x21fc);  // move.l $40810000,($0000)
349	–	p[-3] = htons(0x4081);
350	–	p[-2] = htons(0x0000);
351	–	p[-1] = htons(0x0000);
352	–	p[0] = htons(0x6000);
353	–	D(bug(" patch 4 applied\n"));
358		}
359		p++;
360		}
#	Line 441 | Line 445 | void CheckLoad(uint32 type, int16 id, ui
445
446		} else if (type == FOURCC('n','s','r','d') && id == 1) {
447		D(bug("nsrd 1 found\n"));
448	<	if (p[(0x378 + 0x570) >> 1] == htons(0x7c08) && p[(0x37a + 0x570) >> 1] == htons(0x02a6)) {
448	>	if (p[(0x378 + 0x460) >> 1] == htons(0x7c08) && p[(0x37a + 0x460) >> 1] == htons(0x02a6)) {
449	>	// Don't overwrite our serial drivers (7.5.3 Revision 2.2)
450	>	p[(0x378 + 0x460) >> 1] = htons(0x4e80);                // blr
451	>	p[(0x37a + 0x460) >> 1] = htons(0x0020);
452	>	D(bug(" patch 1 applied\n"));
453	>	} else if (p[(0x378 + 0x570) >> 1] == htons(0x7c08) && p[(0x37a + 0x570) >> 1] == htons(0x02a6)) {
454		// Don't overwrite our serial drivers (8.0, 8.1)
455		p[(0x378 + 0x570) >> 1] = htons(0x4e80);                // blr
456		p[(0x37a + 0x570) >> 1] = htons(0x0020);
457	<	D(bug(" patch 1 applied\n"));
457	>	D(bug(" patch 2 applied\n"));
458		} else if (p[(0x378 + 0x6c0) >> 1] == htons(0x7c08) && p[(0x37a + 0x6c0) >> 1] == htons(0x02a6)) {
459		// Don't overwrite our serial drivers (8.5, 8.6)
460		p[(0x378 + 0x6c0) >> 1] = htons(0x4e80);                // blr
461		p[(0x37a + 0x6c0) >> 1] = htons(0x0020);
462	<	D(bug(" patch 2 applied\n"));
462	>	D(bug(" patch 3 applied\n"));
463		} else if (p[(0x374 + 0x510) >> 1] == htons(0x7c08) && p[(0x376 + 0x510) >> 1] == htons(0x02a6)) {
464		// Don't overwrite our serial drivers (9.0)
465		p[(0x374 + 0x510) >> 1] = htons(0x4e80);                // blr
466		p[(0x376 + 0x510) >> 1] = htons(0x0020);
467	<	D(bug(" patch 3 applied\n"));
467	>	D(bug(" patch 4 applied\n"));
468		}
469
470		} else if (type == FOURCC('c','i','t','t') && id == 45) {
#	Line 463 | Line 472 | void CheckLoad(uint32 type, int16 id, ui
472		size >>= 1;
473		while (size--) {
474		if (PM(0,0x203c) && PM(1,0x0100) && PM(2,0x0000) && PM(3,0xc0ae) && PM(4,0xfffc)) {
475	<	// Don't replace SCSI Manager (8.1, 8.5, 8.6)
475	>	// Don't replace SCSI Manager (8.1, 8.5, 8.6, 9.0)
476		p[5] = htons((ntohs(p[5]) & 0xff) | 0x6000);            // beq
477		D(bug(" patch 1 applied\n"));
478		break;
#	Line 522 | Line 531 | void CheckLoad(uint32 type, int16 id, ui
531		} else if (type == FOURCC('s','c','o','d') && id == -16465) {
532		D(bug("scod -16465 found\n"));
533
534	<	// Don't crash in Process Manager on reset/shutdown (8.6)
534	>	// Don't crash in Process Manager on reset/shutdown (8.6, 9.0)
535		static const uint8 dat[] = {0x4e, 0x56, 0x00, 0x00, 0x48, 0xe7, 0x03, 0x18, 0x2c, 0x2e, 0x00, 0x10};
536		base = find_rsrc_data((uint8 *)p, size, dat, sizeof(dat));
537		if (base) {
#	Line 570 | Line 579 | void CheckLoad(uint32 type, int16 id, ui
579		p[(base + 0x1a) >> 1] = htons(0x6064);
580		D(bug(" patch1 applied\n"));
581		}
582	+
583	+	} else if (type == FOURCC('i','n','f','n') && (id == 129 || id == 200)) {
584	+	D(bug("infn %d found\n", id));
585	+	size >>= 1;
586	+	while (size--) {
587	+	if (PM(0,0x203c) && PM(1,0xf800) && PM(2,0x0000) && PM(4,0x2040) && PM(5,0x1028) && PM(6,0x0090)) {
588	+	// Don't read from 0xf8000090 during MacOS (8.5, 9.0) installation
589	+	p[0] = htons(M68K_NOP);
590	+	p[1] = htons(M68K_NOP);
591	+	p[2] = htons(M68K_NOP);
592	+	p[3] = htons(M68K_NOP);
593	+	p[4] = htons(M68K_NOP);
594	+	p[5] = htons(M68K_NOP);
595	+	p[6] = htons(0x7000);   // moveq #0,d0
596	+	D(bug(" patch 1 applied\n"));
597	+	break;
598	+	}
599	+	p++;
600	+	}
601	+
602	+	}
603	+	}
604	+
605	+
606	+	/*
607	+	*  Resource patches via GetNamedResource() and Get1NamedResource()
608	+	*/
609	+
610	+	void CheckLoad(uint32 type, const char *name, uint8 *p, uint32 size)
611	+	{
612	+	uint16 *p16;
613	+	uint32 base;
614	+	D(bug("vCheckLoad %c%c%c%c (%08x) name \"%*s\", data %p, size %d\n", type >> 24, (type >> 16) & 0xff, (type >> 8) & 0xff, type & 0xff, type, name[0], &name[1], p, size));
615	+
616	+	// Don't modify resources in ROM
617	+	if ((uintptr)p >= (uintptr)ROMBaseHost && (uintptr)p <= (uintptr)(ROMBaseHost + ROM_SIZE))
618	+	return;
619	+
620	+	if (type == FOURCC('D','R','V','R') && strncmp(&name[1], ".AFPTranslator", name[0]) == 0) {
621	+	D(bug(" DRVR .AFPTranslator found\n"));
622	+
623	+	// Don't access ROM85 as it it was a pointer to a ROM version number (8.0, 8.1)
624	+	static const uint8 dat[] = {0x3a, 0x2e, 0x00, 0x0a, 0x55, 0x4f, 0x3e, 0xb8, 0x02, 0x8e, 0x30, 0x1f, 0x48, 0xc0, 0x24, 0x40, 0x20, 0x40};
625	+	base = find_rsrc_data(p, size, dat, sizeof(dat));
626	+	if (base) {
627	+	p16 = (uint16 *)(p + base + 4);
628	+	*p16++ = htons(0x303c);         // move.l       #ROM85,%d0
629	+	*p16++ = htons(0x028e);
630	+	*p16++ = htons(M68K_NOP);
631	+	*p16++ = htons(M68K_NOP);
632	+	D(bug("  patch 1 applied\n"));
633	+	}
634		}
635		}
636
#	Line 596 | Line 657 | void check_load_invoc(uint32 type, int16
657		}
658
659		#ifdef __BEOS__
660	+	static
661	+	#else
662	+	extern "C"
663	+	#endif
664	+	void named_check_load_invoc(uint32 type, uint32 name, uint32 h)
665	+	{
666	+	if (h == 0)
667	+	return;
668	+	uint32 p = ReadMacInt32(h);
669	+	if (p == 0)
670	+	return;
671	+	uint32 size = ReadMacInt32(p - 2 * 4) & 0xffffff;
672	+
673	+	CheckLoad(type, (char *)Mac2HostAddr(name), Mac2HostAddr(p), size);
674	+	}
675	+
676	+	#ifdef __BEOS__
677		static asm void **get_resource(register uint32 type, register int16 id)
678		{
679		// Create stack frame
#	Line 760 | Line 838 | static asm void **r_get_resource(registe
838		addi    r1,r1,56+12
839		blr
840		}
841	+
842	+	static asm void **get_named_resource(register uint32 type, register uint32 name)
843	+	{
844	+	// Create stack frame
845	+	mflr    r0
846	+	stw             r0,8(r1)
847	+	stwu    r1,-(56+12)(r1)
848	+
849	+	// Save type/ID
850	+	stw             r3,56(r1)
851	+	stw             r4,56+4(r1)
852	+
853	+	// Call old routine
854	+	lwz             r0,XLM_GET_NAMED_RESOURCE
855	+	lwz             r2,XLM_RES_LIB_TOC
856	+	mtctr   r0
857	+	bctrl
858	+	lwz             r2,XLM_TOC              // Get TOC
859	+	stw             r3,56+8(r1)             // Save handle
860	+
861	+	// Call CheckLoad
862	+	lwz             r3,56(r1)
863	+	lwz             r4,56+4(r1)
864	+	lwz             r5,56+8(r1)
865	+	bl              named_check_load_invoc
866	+	lwz             r3,56+8(r1)             // Restore handle
867	+
868	+	// Return to caller
869	+	lwz             r0,56+12+8(r1)
870	+	mtlr    r0
871	+	addi    r1,r1,56+12
872	+	blr
873	+	}
874	+
875	+	static asm void **get_1_named_resource(register uint32 type, register uint32 name)
876	+	{
877	+	// Create stack frame
878	+	mflr    r0
879	+	stw             r0,8(r1)
880	+	stwu    r1,-(56+12)(r1)
881	+
882	+	// Save type/ID
883	+	stw             r3,56(r1)
884	+	stw             r4,56+4(r1)
885	+
886	+	// Call old routine
887	+	lwz             r0,XLM_GET_1_NAMED_RESOURCE
888	+	lwz             r2,XLM_RES_LIB_TOC
889	+	mtctr   r0
890	+	bctrl
891	+	lwz             r2,XLM_TOC              // Get TOC
892	+	stw             r3,56+8(r1)             // Save handle
893	+
894	+	// Call CheckLoad
895	+	lwz             r3,56(r1)
896	+	lwz             r4,56+4(r1)
897	+	lwz             r5,56+8(r1)
898	+	bl              named_check_load_invoc
899	+	lwz             r3,56+8(r1)             // Restore handle
900	+
901	+	// Return to caller
902	+	lwz             r0,56+12+8(r1)
903	+	mtlr    r0
904	+	addi    r1,r1,56+12
905	+	blr
906	+	}
907		#else
908		// Routines in asm_linux.S
909		extern "C" void get_resource(void);
#	Line 767 | Line 911 | extern "C" void get_1_resource(void);
911		extern "C" void get_ind_resource(void);
912		extern "C" void get_1_ind_resource(void);
913		extern "C" void r_get_resource(void);
914	+	extern "C" void get_named_resource(void);
915	+	extern "C" void get_1_named_resource(void);
916		#endif
917
918		void PatchNativeResourceManager(void)
#	Line 860 | Line 1006 | void PatchNativeResourceManager(void)
1006		WriteMacInt32(tvec, (uint32)r_get_resource);
1007		#endif
1008		#endif
1009	+
1010	+	// Patch native GetNamedResource()
1011	+	upp = ReadMacInt32(0x1484);
1012	+	tvec = ReadMacInt32(upp + 5 * 4);
1013	+	D(bug(" GetNamedResource() entry %08x, TOC %08x\n", ReadMacInt32(tvec), ReadMacInt32(tvec + 4)));
1014	+	WriteMacInt32(XLM_GET_NAMED_RESOURCE, ReadMacInt32(tvec));
1015	+	#if EMULATED_PPC
1016	+	WriteMacInt32(tvec, NativeFunction(NATIVE_GET_NAMED_RESOURCE));
1017	+	#else
1018	+	#ifdef __BEOS__
1019	+	tvec2 = (uint32 *)get_named_resource;
1020	+	WriteMacInt32(tvec, tvec2[0]);
1021	+	WriteMacInt32(tvec + 4, tvec2[1]);
1022	+	#else
1023	+	WriteMacInt32(tvec, (uint32)get_named_resource);
1024	+	#endif
1025	+	#endif
1026	+
1027	+	// Patch native Get1NamedResource()
1028	+	upp = ReadMacInt32(0x0e80);
1029	+	tvec = ReadMacInt32(upp + 5 * 4);
1030	+	D(bug(" Get1NamedResource() entry %08x, TOC %08x\n", ReadMacInt32(tvec), ReadMacInt32(tvec + 4)));
1031	+	WriteMacInt32(XLM_GET_1_NAMED_RESOURCE, ReadMacInt32(tvec));
1032	+	#if EMULATED_PPC
1033	+	WriteMacInt32(tvec, NativeFunction(NATIVE_GET_1_NAMED_RESOURCE));
1034	+	#else
1035	+	#ifdef __BEOS__
1036	+	tvec2 = (uint32 *)get_1_named_resource;
1037	+	WriteMacInt32(tvec, tvec2[0]);
1038	+	WriteMacInt32(tvec + 4, tvec2[1]);
1039	+	#else
1040	+	WriteMacInt32(tvec, (uint32)get_1_named_resource);
1041	+	#endif
1042	+	#endif
1043		}

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