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root/cebix/SheepShaver/src/rsrc_patches.cpp
Revision: 1.5
Committed: 2003-09-29T22:48:22Z (21 years, 2 months ago) by gbeauche
Branch: MAIN
Changes since 1.4: +27 -27 lines
Log Message: 
More little endian fixes

File Contents

# User Rev Content
1 cebix 1.1 /*
2     * rsrc_patches.cpp - Resource patches
3     *
4     * SheepShaver (C) 1997-2002 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
8     * the Free Software Foundation; either version 2 of the License, or
9     * (at your option) any later version.
10     *
11     * This program is distributed in the hope that it will be useful,
12     * but WITHOUT ANY WARRANTY; without even the implied warranty of
13     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14     * GNU General Public License for more details.
15     *
16     * You should have received a copy of the GNU General Public License
17     * along with this program; if not, write to the Free Software
18     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19     */
20    
21     #include <stdio.h>
22     #include <stdlib.h>
23     #include <string.h>
24    
25     #include "sysdeps.h"
26     #include "rsrc_patches.h"
27     #include "cpu_emulation.h"
28     #include "emul_op.h"
29     #include "xlowmem.h"
30     #include "macos_util.h"
31     #include "rom_patches.h"
32     #include "main.h"
33     #include "audio.h"
34    
35     #define DEBUG 0
36     #include "debug.h"
37    
38    
39     // Sound input driver
40     static const uint8 sound_input_driver[] = { // .AppleSoundInput driver header
41     // Driver header
42     0x4d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
43     0x00, 0x24, // Open() offset
44     0x00, 0x28, // Prime() offset
45     0x00, 0x2c, // Control() offset
46     0x00, 0x38, // Status() offset
47     0x00, 0x5e, // Close() offset
48     0x10, 0x2e, 0x41, 0x70, 0x70, 0x6c, 0x65, 0x53, 0x6f, 0x75, 0x6e, 0x64, 0x49, 0x6e, 0x70, 0x75, 0x74, 0x00, // ".AppleSoundInput"
49    
50     // Open()
51     M68K_EMUL_OP_SOUNDIN_OPEN >> 8, M68K_EMUL_OP_SOUNDIN_OPEN & 0xff,
52     0x4e, 0x75, // rts
53    
54     // Prime()
55     M68K_EMUL_OP_SOUNDIN_PRIME >> 8, M68K_EMUL_OP_SOUNDIN_PRIME & 0xff,
56     0x60, 0x0e, // bra IOReturn
57    
58     // Control()
59     M68K_EMUL_OP_SOUNDIN_CONTROL >> 8, M68K_EMUL_OP_SOUNDIN_CONTROL & 0xff,
60     0x0c, 0x68, 0x00, 0x01, 0x00, 0x1a, // cmp.w #1,$1a(a0)
61     0x66, 0x04, // bne IOReturn
62     0x4e, 0x75, // rts
63    
64     // Status()
65     M68K_EMUL_OP_SOUNDIN_STATUS >> 8, M68K_EMUL_OP_SOUNDIN_STATUS & 0xff,
66    
67     // IOReturn
68     0x32, 0x28, 0x00, 0x06, // move.w 6(a0),d1
69     0x08, 0x01, 0x00, 0x09, // btst #9,d1
70     0x67, 0x0c, // beq 1
71     0x4a, 0x40, // tst.w d0
72     0x6f, 0x02, // ble 2
73     0x42, 0x40, // clr.w d0
74     0x31, 0x40, 0x00, 0x10, //2 move.w d0,$10(a0)
75     0x4e, 0x75, // rts
76     0x4a, 0x40, //1 tst.w d0
77     0x6f, 0x04, // ble 3
78     0x42, 0x40, // clr.w d0
79     0x4e, 0x75, // rts
80     0x2f, 0x38, 0x08, 0xfc, //3 move.l $8fc,-(sp)
81     0x4e, 0x75, // rts
82    
83     // Close()
84     M68K_EMUL_OP_SOUNDIN_CLOSE >> 8, M68K_EMUL_OP_SOUNDIN_CLOSE & 0xff,
85     0x4e, 0x75, // rts
86     };
87    
88    
89     /*
90     * Search resource for byte string, return offset (or 0)
91     */
92    
93     static uint32 find_rsrc_data(const uint8 *rsrc, uint32 max, const uint8 *search, uint32 search_len, uint32 ofs = 0)
94     {
95     while (ofs < max - search_len) {
96     if (!memcmp(rsrc + ofs, search, search_len))
97     return ofs;
98     ofs++;
99     }
100     return 0;
101     }
102    
103    
104     /*
105     * Resource patches via vCheckLoad
106     */
107    
108 gbeauche 1.4 // 680x0 code pattern matching helper
109     #define PM(N, V) (p[N] == htons(V))
110    
111 cebix 1.1 void CheckLoad(uint32 type, int16 id, uint16 *p, uint32 size)
112     {
113     uint16 *p16;
114     uint32 base;
115     D(bug("vCheckLoad %c%c%c%c (%08x) ID %d, data %p, size %d\n", type >> 24, (type >> 16) & 0xff, (type >> 8) & 0xff, type & 0xff, type, id, p, size));
116    
117     // Don't modify resources in ROM
118 gbeauche 1.4 if ((uintptr)p >= ROM_BASE && (uintptr)p <= (ROM_BASE + ROM_SIZE))
119 cebix 1.1 return;
120    
121     if (type == FOURCC('b','o','o','t') && id == 3) {
122     D(bug("boot 3 found\n"));
123     size >>= 1;
124     while (size--) {
125 gbeauche 1.4 if (PM(0,0x2e49)) {
126 cebix 1.1 // 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)
127 gbeauche 1.4 p[0] = htons(M68K_EMUL_OP_FIX_BOOTSTACK);
128 cebix 1.1 D(bug(" patch 1 applied\n"));
129 gbeauche 1.4 } else if (PM(0,0x4267) && PM(1,0x3f01) && PM(2,0x3f2a) && PM(3,0x0006) && PM(4,0x6100)) {
130 cebix 1.1 // Check when ntrb 17 is installed (for native Resource Manager patch) (7.5.3, 7.5.5)
131 gbeauche 1.4 p[7] = htons(M68K_EMUL_OP_NTRB_17_PATCH3);
132 cebix 1.1 D(bug(" patch 2 applied\n"));
133 gbeauche 1.4 } else if (PM(0,0x3f2a) && PM(1,0x0006) && PM(2,0x3f2a) && PM(3,0x0002) && PM(4,0x6100)) {
134 cebix 1.1 // Check when ntrb 17 is installed (for native Resource Manager patch) (7.6, 7.6.1, 8.0, 8.1)
135 gbeauche 1.4 p[7] = htons(M68K_EMUL_OP_NTRB_17_PATCH);
136 cebix 1.1 D(bug(" patch 3 applied\n"));
137 gbeauche 1.4 } else if (PM(0,0x3f2a) && PM(1,0x0006) && PM(2,0x3f2a) && PM(3,0x0002) && PM(4,0x61ff)) {
138 cebix 1.1 // Check when ntrb 17 is installed (for native Resource Manager patch) (8.5, 8.6)
139 gbeauche 1.4 p[8] = htons(M68K_EMUL_OP_NTRB_17_PATCH);
140 cebix 1.1 D(bug(" patch 4 applied\n"));
141 gbeauche 1.4 } else if (PM(0,0x0c39) && PM(1,0x0001) && PM(2,0xf800) && PM(3,0x0008) && PM(4,0x6f00)) {
142 cebix 1.1 // Don't read from 0xf8000008 (8.5 with Zanzibar ROM, 8.6)
143 gbeauche 1.4 p[0] = htons(M68K_NOP);
144     p[1] = htons(M68K_NOP);
145     p[2] = htons(M68K_NOP);
146     p[3] = htons(M68K_NOP);
147     p[4] = htons(0x6000); // bra
148 cebix 1.1 D(bug(" patch 5 applied\n"));
149 gbeauche 1.4 } 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)) {
150 cebix 1.1 // Don't replace nanokernel ("krnl" resource) (8.6)
151 gbeauche 1.4 p[0] = htons(M68K_NOP);
152     p[1] = htons(M68K_NOP);
153     p[2] = htons(M68K_NOP);
154     p[3] = htons(M68K_NOP);
155     p[4] = htons(M68K_NOP);
156     p[7] = htons(0x6000); // bra
157 cebix 1.1 D(bug(" patch 6 applied\n"));
158 gbeauche 1.4 } else if (PM(0,0xa8fe) && PM(1,0x3038) && PM(2,0x017a) && PM(3,0x0c40) && PM(4,0x8805) && PM(5,0x6710)) {
159 cebix 1.1 // No SCSI (calls via 0x205c jump vector which is not initialized in NewWorld ROM 1.6) (8.6)
160     if (ROMType == ROMTYPE_NEWWORLD) {
161 gbeauche 1.4 p[5] = htons(0x6010); // bra
162 cebix 1.1 D(bug(" patch 7 applied\n"));
163     }
164     }
165     p++;
166     }
167    
168     } else if (type == FOURCC('g','n','l','d') && id == 0) {
169     D(bug("gnld 0 found\n"));
170    
171     // Patch native Resource Manager after ntrbs are installed (7.5.2)
172     static const uint8 dat[] = {0x4e, 0xba, 0x00, 0x9e, 0x3e, 0x00, 0x50, 0x4f, 0x67, 0x04};
173     base = find_rsrc_data((uint8 *)p, size, dat, sizeof(dat));
174     if (base) {
175 gbeauche 1.4 p16 = (uint16 *)((uintptr)p + base + 6);
176 cebix 1.1 *p16 = htons(M68K_EMUL_OP_NTRB_17_PATCH2);
177     D(bug(" patch 1 applied\n"));
178     }
179    
180     } else if (type == FOURCC('p','t','c','h') && id == 420) {
181     D(bug("ptch 420 found\n"));
182     size >>= 1;
183     while (size--) {
184 gbeauche 1.4 if (PM(0,0xa030) && PM(1,0x5240) && PM(2,0x303c) && PM(3,0x0100) && PM(4,0xc06e) && PM(5,0xfef6)) {
185 cebix 1.1 // Disable VM (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1)
186 gbeauche 1.4 p[1] = htons(M68K_NOP);
187     p[2] = htons(M68K_NOP);
188     p[3] = htons(M68K_NOP);
189     p[4] = htons(M68K_NOP);
190     p[5] = htons(M68K_NOP);
191     p[6] = htons(M68K_NOP);
192     p[7] = htons(M68K_NOP);
193     p[8] = htons(M68K_NOP);
194     p[9] = htons(M68K_NOP);
195     p[10] = htons(M68K_NOP);
196     p[11] = htons(M68K_NOP);
197 cebix 1.1 D(bug(" patch 1 applied\n"));
198     break;
199 gbeauche 1.4 } else if (PM(0,0xa030) && PM(1,0x5240) && PM(2,0x7000) && PM(3,0x302e) && PM(4,0xfef6) && PM(5,0x323c) && PM(6,0x0100)) {
200 cebix 1.1 // Disable VM (8.0, 8.1)
201 gbeauche 1.4 p[8] = htons(M68K_NOP);
202     p[15] = htons(M68K_NOP);
203 cebix 1.1 D(bug(" patch 2 applied\n"));
204     break;
205 gbeauche 1.4 } else if (PM(0,0xa030) && PM(1,0x5240) && PM(2,0x7000) && PM(3,0x302e) && PM(4,0xfecc) && PM(5,0x323c) && PM(6,0x0100)) {
206 cebix 1.1 // Disable VM (8.5, 8.6)
207 gbeauche 1.4 p[8] = htons(M68K_NOP);
208     p[15] = htons(M68K_NOP);
209 cebix 1.1 D(bug(" patch 3 applied\n"));
210     break;
211     }
212     p++;
213     }
214    
215     } else if (type == FOURCC('g','p','c','h') && id == 16) {
216     D(bug("gpch 16 found\n"));
217     size >>= 1;
218     while (size--) {
219 gbeauche 1.4 if (PM(0,0x6700) && PM(13,0x7013) && PM(14,0xfe0a)) {
220 cebix 1.1 // Don't call FE0A in Shutdown Manager (7.6.1, 8.0, 8.1, 8.5)
221 gbeauche 1.4 p[0] = htons(0x6000);
222 cebix 1.1 D(bug(" patch 1 applied\n"));
223     break;
224     }
225     p++;
226     }
227    
228     } else if (type == FOURCC('g','p','c','h') && id == 650) {
229     D(bug("gpch 650 found\n"));
230     size >>= 1;
231     while (size--) {
232 gbeauche 1.4 if (PM(0,0x6600) && PM(1,0x001a) && PM(2,0x2278) && PM(3,0x0134)) {
233 cebix 1.1 // We don't have SonyVars (7.5.2)
234 gbeauche 1.4 p[0] = htons(0x6000);
235 cebix 1.1 D(bug(" patch 1 applied\n"));
236 gbeauche 1.4 } else if (PM(0,0x6618) && PM(1,0x2278) && PM(2,0x0134)) {
237 cebix 1.1 // We don't have SonyVars (7.5.3)
238 gbeauche 1.4 p[-6] = htons(M68K_NOP);
239     p[-3] = htons(M68K_NOP);
240     p[0] = htons(0x6018);
241 cebix 1.1 D(bug(" patch 2 applied\n"));
242 gbeauche 1.4 } else if (PM(0,0x666e) && PM(1,0x2278) && PM(2,0x0134)) {
243 cebix 1.1 // We don't have SonyVars (7.5.5)
244 gbeauche 1.4 p[-6] = htons(M68K_NOP);
245     p[-3] = htons(M68K_NOP);
246     p[0] = htons(0x606e);
247 cebix 1.1 D(bug(" patch 3 applied\n"));
248 gbeauche 1.4 } else if (PM(0,0x6400) && PM(1,0x011c) && PM(2,0x2278) && PM(3,0x0134)) {
249 cebix 1.1 // We don't have SonyVars (7.6.1, 8.0, 8.1, 8.5, 8.6)
250 gbeauche 1.4 p[0] = htons(0x6000);
251 cebix 1.1 D(bug(" patch 4 applied\n"));
252 gbeauche 1.4 } else if (PM(0,0x6400) && PM(1,0x00e6) && PM(2,0x2278) && PM(3,0x0134)) {
253 cebix 1.1 // We don't have SonyVars (7.6)
254 gbeauche 1.4 p[0] = htons(0x6000);
255 cebix 1.1 D(bug(" patch 5 applied\n"));
256     }
257     p++;
258     }
259    
260     } else if (type == FOURCC('g','p','c','h') && id == 655) {
261     D(bug("gpch 655 found\n"));
262     size >>= 1;
263     while (size--) {
264 gbeauche 1.4 if (PM(0,0x83a8) && PM(1,0x0024) && PM(2,0x4e71)) {
265 cebix 1.1 // Don't write to GC interrupt mask (7.6, 7.6.1, 8.0, 8.1 with Zanzibar ROM)
266 gbeauche 1.4 p[0] = htons(M68K_NOP);
267     p[1] = htons(M68K_NOP);
268 cebix 1.1 D(bug(" patch 1 applied\n"));
269 gbeauche 1.4 } else if (PM(0,0x207c) && PM(1,0xf300) && PM(2,0x0034)) {
270 cebix 1.1 // Don't read PowerMac ID (7.6, 7.6.1, 8.0, 8.1 with Zanzibar ROM)
271 gbeauche 1.4 p[0] = htons(0x303c); // move.w #id,d0
272     p[1] = htons(0x3020);
273     p[2] = htons(M68K_RTS);
274 cebix 1.1 D(bug(" patch 2 applied\n"));
275 gbeauche 1.4 } else if (PM(0,0x13fc) && PM(1,0x0081) && PM(2,0xf130) && PM(3,0xa030)) {
276 cebix 1.1 // Don't write to hardware (7.6, 7.6.1, 8.0, 8.1 with Zanzibar ROM)
277 gbeauche 1.4 p[0] = htons(M68K_NOP);
278     p[1] = htons(M68K_NOP);
279     p[2] = htons(M68K_NOP);
280     p[3] = htons(M68K_NOP);
281 cebix 1.1 D(bug(" patch 3 applied\n"));
282 gbeauche 1.4 } else if (PM(0,0x4e56) && PM(1,0x0000) && PM(2,0x227c) && PM(3,0xf800) && PM(4,0x0000)) {
283 cebix 1.1 // OpenFirmare? (7.6.1, 8.0, 8.1 with Zanzibar ROM)
284 gbeauche 1.4 p[0] = htons(M68K_RTS);
285 cebix 1.1 D(bug(" patch 4 applied\n"));
286 gbeauche 1.4 } else if (PM(0,0x4e56) && PM(1,0xfffc) && PM(2,0x48e7) && PM(3,0x0300) && PM(4,0x598f) && PM(5,0x2eb8) && PM(6,0x01dc)) {
287 cebix 1.1 // Don't write to SCC (7.6.1, 8.0, 8.1 with Zanzibar ROM)
288 gbeauche 1.4 p[0] = htons(M68K_RTS);
289 cebix 1.1 D(bug(" patch 5 applied\n"));
290 gbeauche 1.4 } else if (PM(0,0x4e56) && PM(1,0x0000) && PM(2,0x227c) && PM(3,0xf300) && PM(4,0x0034)) {
291 cebix 1.1 // Don't write to GC (7.6.1, 8.0, 8.1 with Zanzibar ROM)
292 gbeauche 1.4 p[0] = htons(M68K_RTS);
293 cebix 1.1 D(bug(" patch 6 applied\n"));
294 gbeauche 1.4 } else if (PM(0,0x40e7) && PM(1,0x007c) && PM(2,0x0700) && PM(3,0x48e7) && PM(4,0x00c0) && PM(5,0x2078) && PM(6,0x0dd8) && PM(7,0xd1e8) && PM(8,0x0044) && PM(9,0x8005) && PM(11,0x93c8) && PM(12,0x2149) && PM(13,0x0024)) {
295 cebix 1.1 // Don't replace NVRAM routines (7.6, 7.6.1, 8.0, 8.1 with Zanzibar ROM)
296 gbeauche 1.4 p[0] = htons(M68K_RTS);
297 cebix 1.1 D(bug(" patch 7 applied\n"));
298 gbeauche 1.4 } else if (PM(0,0x207c) && PM(1,0x50f1) && PM(2,0xa101) && (PM(3,0x08d0) || PM(3,0x0890))) {
299 cebix 1.1 // Don't write to 0x50f1a101 (8.1 with Zanzibar ROM)
300 gbeauche 1.4 p[3] = htons(M68K_NOP);
301     p[4] = htons(M68K_NOP);
302 cebix 1.1 D(bug(" patch 8 applied\n"));
303     }
304     p++;
305     }
306    
307     } else if (type == FOURCC('g','p','c','h') && id == 750) {
308     D(bug("gpch 750 found\n"));
309     size >>= 1;
310     while (size--) {
311 gbeauche 1.4 if (PM(0,0xf301) && PM(1,0x9100) && PM(2,0x0c11) && PM(3,0x0044)) {
312 cebix 1.1 // Don't read from 0xf3019100 (MACE ENET) (7.6, 7.6.1, 8.0, 8.1)
313 gbeauche 1.4 p[2] = htons(M68K_NOP);
314     p[3] = htons(M68K_NOP);
315     p[4] = htons(0x6026);
316 cebix 1.1 D(bug(" patch 1 applied\n"));
317 gbeauche 1.4 } else if (PM(0,0x41e8) && PM(1,0x0374) && PM(2,0xfc1e)) {
318 cebix 1.1 // Don't call FC1E opcode (7.6, 7.6.1, 8.0, 8.1, 8.5, 8.6)
319 gbeauche 1.4 p[2] = htons(M68K_NOP);
320 cebix 1.1 D(bug(" patch 2 applied\n"));
321 gbeauche 1.4 } else if (PM(0,0x700a) && PM(1,0xfe0a)) {
322 cebix 1.1 // Don't call FE0A opcode (7.6, 7.6.1, 8.0, 8.1, 8.5, 8.6)
323 gbeauche 1.4 p[1] = htons(0x7000);
324 cebix 1.1 D(bug(" patch 3 applied\n"));
325 gbeauche 1.4 } else if (PM(0,0x6c00) && PM(1,0x016a) && PM(2,0x2278) && PM(3,0x0134)) {
326 gbeauche 1.3 // We don't have SonyVars (8.6)
327 gbeauche 1.4 p[-4] = htons(0x21fc); // move.l $40810000,($0000)
328     p[-3] = htons(0x4081);
329     p[-2] = htons(0x0000);
330     p[-1] = htons(0x0000);
331     p[0] = htons(0x6000);
332 gbeauche 1.3 D(bug(" patch 4 applied\n"));
333 cebix 1.1 }
334     p++;
335     }
336    
337     } else if (type == FOURCC('g','p','c','h') && id == 999) {
338     D(bug("gpch 999 found\n"));
339     size >>= 1;
340     while (size--) {
341 gbeauche 1.4 if (PM(0,0xf301) && PM(1,0x9100) && PM(2,0x0c11) && PM(3,0x0044)) {
342 cebix 1.1 // Don't read from 0xf3019100 (MACE ENET) (8.5, 8.6)
343 gbeauche 1.4 p[2] = htons(M68K_NOP);
344     p[3] = htons(M68K_NOP);
345     p[4] = htons(0x6026);
346 cebix 1.1 D(bug(" patch 1 applied\n"));
347     }
348     p++;
349     }
350    
351     } else if (type == FOURCC('g','p','c','h') && id == 3000) {
352     D(bug("gpch 3000 found\n"));
353     size >>= 1;
354     while (size--) {
355 gbeauche 1.4 if (PM(0,0xf301) && PM(1,0x9100) && PM(2,0x0c11) && PM(3,0x0044)) {
356 cebix 1.1 // Don't read from 0xf3019100 (MACE ENET) (8.1 with NewWorld ROM)
357 gbeauche 1.4 p[2] = htons(M68K_NOP);
358     p[3] = htons(M68K_NOP);
359     p[4] = htons(0x6026);
360 cebix 1.1 D(bug(" patch 1 applied\n"));
361     }
362     p++;
363     }
364    
365     } else if (type == FOURCC('l','t','l','k') && id == 0) {
366     D(bug("ltlk 0 found\n"));
367     #if 1
368     size >>= 1;
369     while (size--) {
370 gbeauche 1.4 if (PM(0,0xc2fc) && PM(1,0x0fa0) && PM(2,0x82c5)) {
371 cebix 1.1 // Prevent division by 0 in speed test (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1)
372 gbeauche 1.4 p[2] = htons(0x7200);
373 cebix 1.1 WriteMacInt32(0x1d8, 0x2c00);
374     WriteMacInt32(0x1dc, 0x2c00);
375     D(bug(" patch 1 applied\n"));
376 gbeauche 1.4 } else if (PM(0,0x1418) && PM(1,0x84c1)) {
377 cebix 1.1 // Prevent division by 0 (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1)
378 gbeauche 1.4 p[1] = htons(0x7400);
379 cebix 1.1 D(bug(" patch 2 applied\n"));
380 gbeauche 1.4 } else if (PM(0,0x2678) && PM(1,0x01dc) && PM(2,0x3018) && PM(3,0x6708) && PM(4,0x1680) && PM(5,0xe058) && PM(6,0x1680)) {
381 cebix 1.1 // Don't write to SCC (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1)
382 gbeauche 1.4 p[4] = htons(M68K_NOP);
383     p[6] = htons(M68K_NOP);
384 cebix 1.1 D(bug(" patch 3 applied\n"));
385 gbeauche 1.4 } else if (PM(0,0x2278) && PM(1,0x01dc) && PM(2,0x12bc) && PM(3,0x0006) && PM(4,0x4e71) && PM(5,0x1292)) {
386 cebix 1.1 // Don't write to SCC (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1)
387 gbeauche 1.4 p[2] = htons(M68K_NOP);
388     p[3] = htons(M68K_NOP);
389     p[5] = htons(M68K_NOP);
390 cebix 1.1 D(bug(" patch 4 applied\n"));
391 gbeauche 1.4 } else if (PM(0,0x2278) && PM(1,0x01dc) && PM(2,0x12bc) && PM(3,0x0003) && PM(4,0x4e71) && PM(5,0x1281)) {
392 cebix 1.1 // Don't write to SCC (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1)
393 gbeauche 1.4 p[2] = htons(M68K_NOP);
394     p[3] = htons(M68K_NOP);
395     p[5] = htons(M68K_NOP);
396 cebix 1.1 D(bug(" patch 5 applied\n"));
397 gbeauche 1.4 } else if (PM(0,0x0811) && PM(1,0x0000) && PM(2,0x51c8) && PM(3,0xfffa)) {
398 cebix 1.1 // Don't test SCC (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1)
399 gbeauche 1.4 p[0] = htons(M68K_NOP);
400     p[1] = htons(M68K_NOP);
401 cebix 1.1 D(bug(" patch 6 applied\n"));
402 gbeauche 1.4 } else if (PM(0,0x4a2a) && PM(1,0x063e) && PM(2,0x66fa)) {
403 cebix 1.1 // Don't wait for SCC (7.5.2, 7.5.3, 7.5.5)
404 gbeauche 1.4 p[2] = htons(M68K_NOP);
405 cebix 1.1 D(bug(" patch 7 applied\n"));
406 gbeauche 1.4 } else if (PM(0,0x4a2a) && PM(1,0x03a6) && PM(2,0x66fa)) {
407 cebix 1.1 // Don't wait for SCC (7.6, 7.6.1, 8.0, 8.1)
408 gbeauche 1.4 p[2] = htons(M68K_NOP);
409 cebix 1.1 D(bug(" patch 8 applied\n"));
410     }
411     p++;
412     }
413     #else
414     // Disable LocalTalk
415 gbeauche 1.4 p[0] = htons(M68K_JMP_A0);
416     p[1] = htons(0x7000); // moveq #0,d0
417     p[2] = htons(M68K_RTS);
418 cebix 1.1 D(bug(" patch 1 applied\n"));
419     #endif
420    
421     } else if (type == FOURCC('n','s','r','d') && id == 1) {
422     D(bug("nsrd 1 found\n"));
423     if (p[(0x378 + 0x570) >> 1] == 0x7c08 && p[(0x37a + 0x570) >> 1] == 0x02a6) {
424     // Don't overwrite our serial drivers (8.0, 8.1)
425     p[(0x378 + 0x570) >> 1] = 0x4e80; // blr
426     p[(0x37a + 0x570) >> 1] = 0x0020;
427     D(bug(" patch 1 applied\n"));
428     } else if (p[(0x378 + 0x6c0) >> 1] == 0x7c08 && p[(0x37a + 0x6c0) >> 1] == 0x02a6) {
429     // Don't overwrite our serial drivers (8.5, 8.6)
430     p[(0x378 + 0x6c0) >> 1] = 0x4e80; // blr
431     p[(0x37a + 0x6c0) >> 1] = 0x0020;
432     D(bug(" patch 2 applied\n"));
433     }
434    
435     } else if (type == FOURCC('c','i','t','t') && id == 45) {
436     D(bug("citt 45 found\n"));
437     size >>= 1;
438     while (size--) {
439 gbeauche 1.4 if (PM(0,0x203c) && PM(1,0x0100) && PM(2,0x0000) && PM(3,0xc0ae) && PM(4,0xfffc)) {
440 cebix 1.1 // Don't replace SCSI Manager (8.1, 8.5, 8.6)
441 gbeauche 1.4 p[5] = htons((p[5] & 0xff) | 0x6000); // beq
442 cebix 1.1 D(bug(" patch 1 applied\n"));
443     break;
444     }
445     p++;
446     }
447    
448     } else if (type == FOURCC('t','h','n','g')) {
449     // Collect info about used audio sifters
450     uint32 c_type = 0[(uint32 *)p];
451     uint32 sub_type = 1[(uint32 *)p];
452     if (c_type == FOURCC('s','d','e','v') && sub_type == FOURCC('s','i','n','g')) {
453     1[(uint32 *)p] = FOURCC('a','w','g','c');
454     D(bug("thng %d, type %c%c%c%c (%08x), sub type %c%c%c%c (%08x), data %p\n", id, c_type >> 24, (c_type >> 16) & 0xff, (c_type >> 8) & 0xff, c_type & 0xff, c_type, sub_type >> 24, (sub_type >> 16) & 0xff, (sub_type >> 8) & 0xff, sub_type & 0xff, sub_type, p));
455 gbeauche 1.4 AddSifter(*(uint32 *)(((uintptr)p)+20), p[12]);
456 cebix 1.1 if (p[28]) // componentPFCount
457 gbeauche 1.4 AddSifter(*(uint32 *)(((uintptr)p)+62), p[33]);
458 cebix 1.1 }
459    
460     } else if (type == FOURCC('s','i','f','t') || type == FOURCC('n','i','f','t')) {
461     // Patch audio sifters
462     if (FindSifter(type, id)) {
463     D(bug("sifter found\n"));
464 gbeauche 1.4 p[0] = htons(0x4e56); p[1] = htons(0x0000); // link a6,#0
465     p[2] = htons(0x48e7); p[3] = htons(0x8018); // movem.l d0/a3-a4,-(a7)
466     p[4] = htons(0x266e); p[5] = htons(0x000c); // movea.l $c(a6),a3
467     p[6] = htons(0x286e); p[7] = htons(0x0008); // movea.l $8(a6),a4
468     p[8] = htons(M68K_EMUL_OP_AUDIO_DISPATCH);
469     p[9] = htons(0x2d40); p[10] = htons(0x0010); // move.l d0,$10(a6)
470     p[11] = htons(0x4cdf); p[12] = htons(0x1801); // movem.l (a7)+,d0/a3-a4
471     p[13] = htons(0x4e5e); // unlk a6
472     p[14] = htons(0x4e74); p[15] = htons(0x0008); // rtd #8
473 cebix 1.1 D(bug(" patch applied\n"));
474     }
475    
476     } else if (type == FOURCC('D','R','V','R') && (id == -16501 || id == -16500)) {
477     D(bug("DRVR -16501/-16500 found\n"));
478     // Install sound input driver
479     memcpy(p, sound_input_driver, sizeof(sound_input_driver));
480     D(bug(" patch 1 applied\n"));
481    
482     } else if (type == FOURCC('I','N','I','T') && id == 1 && size == (2416 >> 1)) {
483     D(bug("INIT 1 (size 2416) found\n"));
484     size >>= 1;
485     while (size--) {
486 gbeauche 1.4 if (PM(0,0x247c) && PM(1,0xf301) && PM(2,0x9000)) {
487 cebix 1.1 // Prevent "MacOS Licensing Extension" from accessing hardware (7.6)
488 gbeauche 1.4 p[22] = htons(0x6028);
489 cebix 1.1 D(bug(" patch 1 applied\n"));
490     break;
491     }
492     p++;
493     }
494 gbeauche 1.3
495     } else if (type == FOURCC('s','c','o','d') && id == -16465) {
496     D(bug("scod -16465 found\n"));
497    
498     // Don't crash in Process Manager on reset/shutdown (8.6)
499     static const uint8 dat[] = {0x4e, 0x56, 0x00, 0x00, 0x48, 0xe7, 0x03, 0x18, 0x2c, 0x2e, 0x00, 0x10};
500     base = find_rsrc_data((uint8 *)p, size, dat, sizeof(dat));
501     if (base) {
502 gbeauche 1.4 p16 = (uint16 *)((uintptr)p + base);
503     p16[0] = htons(0x7000); // moveq #0,d0
504     p16[1] = htons(M68K_RTS);
505 gbeauche 1.3 D(bug(" patch 1 applied\n"));
506     }
507 cebix 1.1 }
508     }
509    
510    
511     /*
512     * Native Resource Manager patches
513     */
514    
515     #ifdef __BEOS__
516     static
517 gbeauche 1.2 #else
518     extern "C"
519 cebix 1.1 #endif
520 gbeauche 1.5 void check_load_invoc(uint32 type, int16 id, uint32 h)
521 cebix 1.1 {
522 gbeauche 1.5 if (h == 0)
523 cebix 1.1 return;
524 gbeauche 1.5 uint32 p = ReadMacInt32(h);
525     if (p == 0)
526 cebix 1.1 return;
527 gbeauche 1.5 uint32 size = ReadMacInt32(p - 2 * 4) & 0xffffff;
528 cebix 1.1
529 gbeauche 1.5 CheckLoad(type, id, (uint16 *)p, size);
530 cebix 1.1 }
531    
532     #ifdef __BEOS__
533     static asm void **get_resource(register uint32 type, register int16 id)
534     {
535     // Create stack frame
536     mflr r0
537     stw r0,8(r1)
538     stwu r1,-(56+12)(r1)
539    
540     // Save type/ID
541     stw r3,56(r1)
542     stw r4,56+4(r1)
543    
544     // Call old routine
545     lwz r0,XLM_GET_RESOURCE
546     lwz r2,XLM_RES_LIB_TOC
547     mtctr r0
548     bctrl
549     lwz r2,XLM_TOC // Get TOC
550     stw r3,56+8(r1) // Save handle
551    
552     // Call CheckLoad
553     lwz r3,56(r1)
554     lwz r4,56+4(r1)
555     lwz r5,56+8(r1)
556     bl check_load_invoc
557     lwz r3,56+8(r1) // Restore handle
558    
559     // Return to caller
560     lwz r0,56+12+8(r1)
561     mtlr r0
562     addi r1,r1,56+12
563     blr
564     }
565    
566     static asm void **get_1_resource(register uint32 type, register int16 id)
567     {
568     // Create stack frame
569     mflr r0
570     stw r0,8(r1)
571     stwu r1,-(56+12)(r1)
572    
573     // Save type/ID
574     stw r3,56(r1)
575     stw r4,56+4(r1)
576    
577     // Call old routine
578     lwz r0,XLM_GET_1_RESOURCE
579     lwz r2,XLM_RES_LIB_TOC
580     mtctr r0
581     bctrl
582     lwz r2,XLM_TOC // Get TOC
583     stw r3,56+8(r1) // Save handle
584    
585     // Call CheckLoad
586     lwz r3,56(r1)
587     lwz r4,56+4(r1)
588     lwz r5,56+8(r1)
589     bl check_load_invoc
590     lwz r3,56+8(r1) // Restore handle
591    
592     // Return to caller
593     lwz r0,56+12+8(r1)
594     mtlr r0
595     addi r1,r1,56+12
596     blr
597     }
598    
599     static asm void **get_ind_resource(register uint32 type, register int16 index)
600     {
601     // Create stack frame
602     mflr r0
603     stw r0,8(r1)
604     stwu r1,-(56+12)(r1)
605    
606     // Save type/index
607     stw r3,56(r1)
608     stw r4,56+4(r1)
609    
610     // Call old routine
611     lwz r0,XLM_GET_IND_RESOURCE
612     lwz r2,XLM_RES_LIB_TOC
613     mtctr r0
614     bctrl
615     lwz r2,XLM_TOC // Get TOC
616     stw r3,56+8(r1) // Save handle
617    
618     // Call CheckLoad
619     lwz r3,56(r1)
620     lwz r4,56+4(r1)
621     lwz r5,56+8(r1)
622     bl check_load_invoc
623     lwz r3,56+8(r1) // Restore handle
624    
625     // Return to caller
626     lwz r0,56+12+8(r1)
627     mtlr r0
628     addi r1,r1,56+12
629     blr
630     }
631    
632     static asm void **get_1_ind_resource(register uint32 type, register int16 index)
633     {
634     // Create stack frame
635     mflr r0
636     stw r0,8(r1)
637     stwu r1,-(56+12)(r1)
638    
639     // Save type/index
640     stw r3,56(r1)
641     stw r4,56+4(r1)
642    
643     // Call old routine
644     lwz r0,XLM_GET_1_IND_RESOURCE
645     lwz r2,XLM_RES_LIB_TOC
646     mtctr r0
647     bctrl
648     lwz r2,XLM_TOC // Get TOC
649     stw r3,56+8(r1) // Save handle
650    
651     // Call CheckLoad
652     lwz r3,56(r1)
653     lwz r4,56+4(r1)
654     lwz r5,56+8(r1)
655     bl check_load_invoc
656     lwz r3,56+8(r1) // Restore handle
657    
658     // Return to caller
659     lwz r0,56+12+8(r1)
660     mtlr r0
661     addi r1,r1,56+12
662     blr
663     }
664    
665     static asm void **r_get_resource(register uint32 type, register int16 id)
666     {
667     // Create stack frame
668     mflr r0
669     stw r0,8(r1)
670     stwu r1,-(56+12)(r1)
671    
672     // Save type/ID
673     stw r3,56(r1)
674     stw r4,56+4(r1)
675    
676     // Call old routine
677     lwz r0,XLM_R_GET_RESOURCE
678     lwz r2,XLM_RES_LIB_TOC
679     mtctr r0
680     bctrl
681     lwz r2,XLM_TOC // Get TOC
682     stw r3,56+8(r1) // Save handle
683    
684     // Call CheckLoad
685     lwz r3,56(r1)
686     lwz r4,56+4(r1)
687     lwz r5,56+8(r1)
688     bl check_load_invoc
689     lwz r3,56+8(r1) // Restore handle
690    
691     // Return to caller
692     lwz r0,56+12+8(r1)
693     mtlr r0
694     addi r1,r1,56+12
695     blr
696     }
697     #else
698     // Routines in asm_linux.S
699     extern "C" void get_resource(void);
700     extern "C" void get_1_resource(void);
701     extern "C" void get_ind_resource(void);
702     extern "C" void get_1_ind_resource(void);
703     extern "C" void r_get_resource(void);
704     #endif
705    
706     void PatchNativeResourceManager(void)
707     {
708     D(bug("PatchNativeResourceManager\n"));
709    
710     // Patch native GetResource()
711 gbeauche 1.5 uint32 upp = ReadMacInt32(0x1480);
712     if ((upp & 0xffc00000) == ROM_BASE)
713 cebix 1.1 return;
714 gbeauche 1.5 uint32 *tvec = (uint32 *)ReadMacInt32(upp + 5 * 4);
715     D(bug(" GetResource() entry %08x, TOC %08x\n", ntohl(tvec[0]), ntohl(tvec[1])));
716 cebix 1.1 *(uint32 *)XLM_RES_LIB_TOC = tvec[1];
717     *(uint32 *)XLM_GET_RESOURCE = tvec[0];
718 gbeauche 1.3 #if EMULATED_PPC
719 gbeauche 1.5 tvec[0] = htonl(POWERPC_NATIVE_OP_FUNC(NATIVE_GET_RESOURCE));
720 gbeauche 1.3 #else
721 cebix 1.1 #ifdef __BEOS__
722     uint32 *tvec2 = (uint32 *)get_resource;
723     tvec[0] = tvec2[0];
724     tvec[1] = tvec2[1];
725     #else
726     tvec[0] = (uint32)get_resource;
727     #endif
728 gbeauche 1.3 #endif
729 cebix 1.1
730     // Patch native Get1Resource()
731 gbeauche 1.5 upp = ReadMacInt32(0x0e7c);
732     tvec = (uint32 *)ReadMacInt32(upp + 5 * 4);
733     D(bug(" Get1Resource() entry %08x, TOC %08x\n", ntohl(tvec[0]), ntohl(tvec[1])));
734 cebix 1.1 *(uint32 *)XLM_GET_1_RESOURCE = tvec[0];
735 gbeauche 1.3 #if EMULATED_PPC
736 gbeauche 1.5 tvec[0] = htonl(POWERPC_NATIVE_OP_FUNC(NATIVE_GET_1_RESOURCE));
737 gbeauche 1.3 #else
738 cebix 1.1 #ifdef __BEOS__
739     tvec2 = (uint32 *)get_1_resource;
740     tvec[0] = tvec2[0];
741     tvec[1] = tvec2[1];
742     #else
743     tvec[0] = (uint32)get_1_resource;
744     #endif
745 gbeauche 1.3 #endif
746 cebix 1.1
747     // Patch native GetIndResource()
748 gbeauche 1.5 upp = ReadMacInt32(0x1474);
749     tvec = (uint32 *)ReadMacInt32(upp + 5 * 4);
750     D(bug(" GetIndResource() entry %08x, TOC %08x\n", ntohl(tvec[0]), ntohl(tvec[1])));
751 cebix 1.1 *(uint32 *)XLM_GET_IND_RESOURCE = tvec[0];
752 gbeauche 1.3 #if EMULATED_PPC
753 gbeauche 1.5 tvec[0] = htonl(POWERPC_NATIVE_OP_FUNC(NATIVE_GET_IND_RESOURCE));
754 gbeauche 1.3 #else
755 cebix 1.1 #ifdef __BEOS__
756     tvec2 = (uint32 *)get_ind_resource;
757     tvec[0] = tvec2[0];
758     tvec[1] = tvec2[1];
759     #else
760     tvec[0] = (uint32)get_ind_resource;
761     #endif
762 gbeauche 1.3 #endif
763 cebix 1.1
764     // Patch native Get1IndResource()
765 gbeauche 1.5 upp = ReadMacInt32(0x0e38);
766     tvec = (uint32 *)ReadMacInt32(upp + 5 * 4);
767     D(bug(" Get1IndResource() entry %08x, TOC %08x\n", ntohl(tvec[0]), ntohl(tvec[1])));
768 cebix 1.1 *(uint32 *)XLM_GET_1_IND_RESOURCE = tvec[0];
769 gbeauche 1.3 #if EMULATED_PPC
770 gbeauche 1.5 tvec[0] = htonl(POWERPC_NATIVE_OP_FUNC(NATIVE_GET_1_IND_RESOURCE));
771 gbeauche 1.3 #else
772 cebix 1.1 #ifdef __BEOS__
773     tvec2 = (uint32 *)get_1_ind_resource;
774     tvec[0] = tvec2[0];
775     tvec[1] = tvec2[1];
776     #else
777     tvec[0] = (uint32)get_1_ind_resource;
778     #endif
779 gbeauche 1.3 #endif
780 cebix 1.1
781     // Patch native RGetResource()
782 gbeauche 1.5 upp = ReadMacInt32(0x0e30);
783     tvec = (uint32 *)ReadMacInt32(upp + 5 * 4);
784     D(bug(" RGetResource() entry %08x, TOC %08x\n", ntohl(tvec[0]), ntohl(tvec[1])));
785 cebix 1.1 *(uint32 *)XLM_R_GET_RESOURCE = tvec[0];
786 gbeauche 1.3 #if EMULATED_PPC
787 gbeauche 1.5 tvec[0] = htonl(POWERPC_NATIVE_OP_FUNC(NATIVE_R_GET_RESOURCE));
788 gbeauche 1.3 #else
789 cebix 1.1 #ifdef __BEOS__
790     tvec2 = (uint32 *)r_get_resource;
791     tvec[0] = tvec2[0];
792     tvec[1] = tvec2[1];
793     #else
794     tvec[0] = (uint32)r_get_resource;
795 gbeauche 1.3 #endif
796 cebix 1.1 #endif
797     }