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root/cebix/SheepShaver/src/rsrc_patches.cpp
Revision: 1.7
Committed: 2003-12-04T17:26:35Z (20 years, 5 months ago) by gbeauche
Branch: MAIN
Changes since 1.6: +6 -5 lines
Log Message:
Add new thunking system for 64-bit fixes.

File Contents

# Content
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 #include "thunks.h"
35
36 #define DEBUG 0
37 #include "debug.h"
38
39
40 // Sound input driver
41 static const uint8 sound_input_driver[] = { // .AppleSoundInput driver header
42 // Driver header
43 0x4d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
44 0x00, 0x24, // Open() offset
45 0x00, 0x28, // Prime() offset
46 0x00, 0x2c, // Control() offset
47 0x00, 0x38, // Status() offset
48 0x00, 0x5e, // Close() offset
49 0x10, 0x2e, 0x41, 0x70, 0x70, 0x6c, 0x65, 0x53, 0x6f, 0x75, 0x6e, 0x64, 0x49, 0x6e, 0x70, 0x75, 0x74, 0x00, // ".AppleSoundInput"
50
51 // Open()
52 M68K_EMUL_OP_SOUNDIN_OPEN >> 8, M68K_EMUL_OP_SOUNDIN_OPEN & 0xff,
53 0x4e, 0x75, // rts
54
55 // Prime()
56 M68K_EMUL_OP_SOUNDIN_PRIME >> 8, M68K_EMUL_OP_SOUNDIN_PRIME & 0xff,
57 0x60, 0x0e, // bra IOReturn
58
59 // Control()
60 M68K_EMUL_OP_SOUNDIN_CONTROL >> 8, M68K_EMUL_OP_SOUNDIN_CONTROL & 0xff,
61 0x0c, 0x68, 0x00, 0x01, 0x00, 0x1a, // cmp.w #1,$1a(a0)
62 0x66, 0x04, // bne IOReturn
63 0x4e, 0x75, // rts
64
65 // Status()
66 M68K_EMUL_OP_SOUNDIN_STATUS >> 8, M68K_EMUL_OP_SOUNDIN_STATUS & 0xff,
67
68 // IOReturn
69 0x32, 0x28, 0x00, 0x06, // move.w 6(a0),d1
70 0x08, 0x01, 0x00, 0x09, // btst #9,d1
71 0x67, 0x0c, // beq 1
72 0x4a, 0x40, // tst.w d0
73 0x6f, 0x02, // ble 2
74 0x42, 0x40, // clr.w d0
75 0x31, 0x40, 0x00, 0x10, //2 move.w d0,$10(a0)
76 0x4e, 0x75, // rts
77 0x4a, 0x40, //1 tst.w d0
78 0x6f, 0x04, // ble 3
79 0x42, 0x40, // clr.w d0
80 0x4e, 0x75, // rts
81 0x2f, 0x38, 0x08, 0xfc, //3 move.l $8fc,-(sp)
82 0x4e, 0x75, // rts
83
84 // Close()
85 M68K_EMUL_OP_SOUNDIN_CLOSE >> 8, M68K_EMUL_OP_SOUNDIN_CLOSE & 0xff,
86 0x4e, 0x75, // rts
87 };
88
89
90 /*
91 * Search resource for byte string, return offset (or 0)
92 */
93
94 static uint32 find_rsrc_data(const uint8 *rsrc, uint32 max, const uint8 *search, uint32 search_len, uint32 ofs = 0)
95 {
96 while (ofs < max - search_len) {
97 if (!memcmp(rsrc + ofs, search, search_len))
98 return ofs;
99 ofs++;
100 }
101 return 0;
102 }
103
104
105 /*
106 * Resource patches via vCheckLoad
107 */
108
109 // 680x0 code pattern matching helper
110 #define PM(N, V) (p[N] == htons(V))
111
112 void CheckLoad(uint32 type, int16 id, uint16 *p, uint32 size)
113 {
114 uint16 *p16;
115 uint32 base;
116 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));
117
118 // Don't modify resources in ROM
119 if ((uintptr)p >= ROM_BASE && (uintptr)p <= (ROM_BASE + ROM_SIZE))
120 return;
121
122 if (type == FOURCC('b','o','o','t') && id == 3) {
123 D(bug("boot 3 found\n"));
124 size >>= 1;
125 while (size--) {
126 if (PM(0,0x2e49)) {
127 // 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)
128 p[0] = htons(M68K_EMUL_OP_FIX_BOOTSTACK);
129 D(bug(" patch 1 applied\n"));
130 } else if (PM(0,0x4267) && PM(1,0x3f01) && PM(2,0x3f2a) && PM(3,0x0006) && PM(4,0x6100)) {
131 // Check when ntrb 17 is installed (for native Resource Manager patch) (7.5.3, 7.5.5)
132 p[7] = htons(M68K_EMUL_OP_NTRB_17_PATCH3);
133 D(bug(" patch 2 applied\n"));
134 } else if (PM(0,0x3f2a) && PM(1,0x0006) && PM(2,0x3f2a) && PM(3,0x0002) && PM(4,0x6100)) {
135 // Check when ntrb 17 is installed (for native Resource Manager patch) (7.6, 7.6.1, 8.0, 8.1)
136 p[7] = htons(M68K_EMUL_OP_NTRB_17_PATCH);
137 D(bug(" patch 3 applied\n"));
138 } else if (PM(0,0x3f2a) && PM(1,0x0006) && PM(2,0x3f2a) && PM(3,0x0002) && PM(4,0x61ff)) {
139 // Check when ntrb 17 is installed (for native Resource Manager patch) (8.5, 8.6)
140 p[8] = htons(M68K_EMUL_OP_NTRB_17_PATCH);
141 D(bug(" patch 4 applied\n"));
142 } else if (PM(0,0x0c39) && PM(1,0x0001) && PM(2,0xf800) && PM(3,0x0008) && PM(4,0x6f00)) {
143 // Don't read from 0xf8000008 (8.5 with Zanzibar ROM, 8.6)
144 p[0] = htons(M68K_NOP);
145 p[1] = htons(M68K_NOP);
146 p[2] = htons(M68K_NOP);
147 p[3] = htons(M68K_NOP);
148 p[4] = htons(0x6000); // bra
149 D(bug(" patch 5 applied\n"));
150 } 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)) {
151 // Don't replace nanokernel ("krnl" resource) (8.6)
152 p[0] = htons(M68K_NOP);
153 p[1] = htons(M68K_NOP);
154 p[2] = htons(M68K_NOP);
155 p[3] = htons(M68K_NOP);
156 p[4] = htons(M68K_NOP);
157 p[7] = htons(0x6000); // bra
158 D(bug(" patch 6 applied\n"));
159 } else if (PM(0,0xa8fe) && PM(1,0x3038) && PM(2,0x017a) && PM(3,0x0c40) && PM(4,0x8805) && PM(5,0x6710)) {
160 // No SCSI (calls via 0x205c jump vector which is not initialized in NewWorld ROM 1.6) (8.6)
161 if (ROMType == ROMTYPE_NEWWORLD) {
162 p[5] = htons(0x6010); // bra
163 D(bug(" patch 7 applied\n"));
164 }
165 }
166 p++;
167 }
168
169 } else if (type == FOURCC('g','n','l','d') && id == 0) {
170 D(bug("gnld 0 found\n"));
171
172 // Patch native Resource Manager after ntrbs are installed (7.5.2)
173 static const uint8 dat[] = {0x4e, 0xba, 0x00, 0x9e, 0x3e, 0x00, 0x50, 0x4f, 0x67, 0x04};
174 base = find_rsrc_data((uint8 *)p, size, dat, sizeof(dat));
175 if (base) {
176 p16 = (uint16 *)((uintptr)p + base + 6);
177 *p16 = htons(M68K_EMUL_OP_NTRB_17_PATCH2);
178 D(bug(" patch 1 applied\n"));
179 }
180
181 } else if (type == FOURCC('p','t','c','h') && id == 420) {
182 D(bug("ptch 420 found\n"));
183 size >>= 1;
184 while (size--) {
185 if (PM(0,0xa030) && PM(1,0x5240) && PM(2,0x303c) && PM(3,0x0100) && PM(4,0xc06e) && PM(5,0xfef6)) {
186 // Disable VM (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1)
187 p[1] = htons(M68K_NOP);
188 p[2] = htons(M68K_NOP);
189 p[3] = htons(M68K_NOP);
190 p[4] = htons(M68K_NOP);
191 p[5] = htons(M68K_NOP);
192 p[6] = htons(M68K_NOP);
193 p[7] = htons(M68K_NOP);
194 p[8] = htons(M68K_NOP);
195 p[9] = htons(M68K_NOP);
196 p[10] = htons(M68K_NOP);
197 p[11] = htons(M68K_NOP);
198 D(bug(" patch 1 applied\n"));
199 break;
200 } else if (PM(0,0xa030) && PM(1,0x5240) && PM(2,0x7000) && PM(3,0x302e) && PM(4,0xfef6) && PM(5,0x323c) && PM(6,0x0100)) {
201 // Disable VM (8.0, 8.1)
202 p[8] = htons(M68K_NOP);
203 p[15] = htons(M68K_NOP);
204 D(bug(" patch 2 applied\n"));
205 break;
206 } else if (PM(0,0xa030) && PM(1,0x5240) && PM(2,0x7000) && PM(3,0x302e) && PM(4,0xfecc) && PM(5,0x323c) && PM(6,0x0100)) {
207 // Disable VM (8.5, 8.6)
208 p[8] = htons(M68K_NOP);
209 p[15] = htons(M68K_NOP);
210 D(bug(" patch 3 applied\n"));
211 break;
212 }
213 p++;
214 }
215
216 } else if (type == FOURCC('g','p','c','h') && id == 16) {
217 D(bug("gpch 16 found\n"));
218 size >>= 1;
219 while (size--) {
220 if (PM(0,0x6700) && PM(13,0x7013) && PM(14,0xfe0a)) {
221 // Don't call FE0A in Shutdown Manager (7.6.1, 8.0, 8.1, 8.5)
222 p[0] = htons(0x6000);
223 D(bug(" patch 1 applied\n"));
224 break;
225 }
226 p++;
227 }
228
229 } else if (type == FOURCC('g','p','c','h') && id == 650) {
230 D(bug("gpch 650 found\n"));
231 size >>= 1;
232 while (size--) {
233 if (PM(0,0x6600) && PM(1,0x001a) && PM(2,0x2278) && PM(3,0x0134)) {
234 // We don't have SonyVars (7.5.2)
235 p[0] = htons(0x6000);
236 D(bug(" patch 1 applied\n"));
237 } else if (PM(0,0x6618) && PM(1,0x2278) && PM(2,0x0134)) {
238 // We don't have SonyVars (7.5.3)
239 p[-6] = htons(M68K_NOP);
240 p[-3] = htons(M68K_NOP);
241 p[0] = htons(0x6018);
242 D(bug(" patch 2 applied\n"));
243 } else if (PM(0,0x666e) && PM(1,0x2278) && PM(2,0x0134)) {
244 // We don't have SonyVars (7.5.5)
245 p[-6] = htons(M68K_NOP);
246 p[-3] = htons(M68K_NOP);
247 p[0] = htons(0x606e);
248 D(bug(" patch 3 applied\n"));
249 } else if (PM(0,0x6400) && PM(1,0x011c) && PM(2,0x2278) && PM(3,0x0134)) {
250 // We don't have SonyVars (7.6.1, 8.0, 8.1, 8.5, 8.6)
251 p[0] = htons(0x6000);
252 D(bug(" patch 4 applied\n"));
253 } else if (PM(0,0x6400) && PM(1,0x00e6) && PM(2,0x2278) && PM(3,0x0134)) {
254 // We don't have SonyVars (7.6)
255 p[0] = htons(0x6000);
256 D(bug(" patch 5 applied\n"));
257 }
258 p++;
259 }
260
261 } else if (type == FOURCC('g','p','c','h') && id == 655) {
262 D(bug("gpch 655 found\n"));
263 size >>= 1;
264 while (size--) {
265 if (PM(0,0x83a8) && PM(1,0x0024) && PM(2,0x4e71)) {
266 // Don't write to GC interrupt mask (7.6, 7.6.1, 8.0, 8.1 with Zanzibar ROM)
267 p[0] = htons(M68K_NOP);
268 p[1] = htons(M68K_NOP);
269 D(bug(" patch 1 applied\n"));
270 } else if (PM(0,0x207c) && PM(1,0xf300) && PM(2,0x0034)) {
271 // Don't read PowerMac ID (7.6, 7.6.1, 8.0, 8.1 with Zanzibar ROM)
272 p[0] = htons(0x303c); // move.w #id,d0
273 p[1] = htons(0x3020);
274 p[2] = htons(M68K_RTS);
275 D(bug(" patch 2 applied\n"));
276 } else if (PM(0,0x13fc) && PM(1,0x0081) && PM(2,0xf130) && PM(3,0xa030)) {
277 // Don't write to hardware (7.6, 7.6.1, 8.0, 8.1 with Zanzibar ROM)
278 p[0] = htons(M68K_NOP);
279 p[1] = htons(M68K_NOP);
280 p[2] = htons(M68K_NOP);
281 p[3] = htons(M68K_NOP);
282 D(bug(" patch 3 applied\n"));
283 } else if (PM(0,0x4e56) && PM(1,0x0000) && PM(2,0x227c) && PM(3,0xf800) && PM(4,0x0000)) {
284 // OpenFirmare? (7.6.1, 8.0, 8.1 with Zanzibar ROM)
285 p[0] = htons(M68K_RTS);
286 D(bug(" patch 4 applied\n"));
287 } else if (PM(0,0x4e56) && PM(1,0xfffc) && PM(2,0x48e7) && PM(3,0x0300) && PM(4,0x598f) && PM(5,0x2eb8) && PM(6,0x01dc)) {
288 // Don't write to SCC (7.6.1, 8.0, 8.1 with Zanzibar ROM)
289 p[0] = htons(M68K_RTS);
290 D(bug(" patch 5 applied\n"));
291 } else if (PM(0,0x4e56) && PM(1,0x0000) && PM(2,0x227c) && PM(3,0xf300) && PM(4,0x0034)) {
292 // Don't write to GC (7.6.1, 8.0, 8.1 with Zanzibar ROM)
293 p[0] = htons(M68K_RTS);
294 D(bug(" patch 6 applied\n"));
295 } 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)) {
296 // Don't replace NVRAM routines (7.6, 7.6.1, 8.0, 8.1 with Zanzibar ROM)
297 p[0] = htons(M68K_RTS);
298 D(bug(" patch 7 applied\n"));
299 } else if (PM(0,0x207c) && PM(1,0x50f1) && PM(2,0xa101) && (PM(3,0x08d0) || PM(3,0x0890))) {
300 // Don't write to 0x50f1a101 (8.1 with Zanzibar ROM)
301 p[3] = htons(M68K_NOP);
302 p[4] = htons(M68K_NOP);
303 D(bug(" patch 8 applied\n"));
304 }
305 p++;
306 }
307
308 } else if (type == FOURCC('g','p','c','h') && id == 750) {
309 D(bug("gpch 750 found\n"));
310 size >>= 1;
311 while (size--) {
312 if (PM(0,0xf301) && PM(1,0x9100) && PM(2,0x0c11) && PM(3,0x0044)) {
313 // Don't read from 0xf3019100 (MACE ENET) (7.6, 7.6.1, 8.0, 8.1)
314 p[2] = htons(M68K_NOP);
315 p[3] = htons(M68K_NOP);
316 p[4] = htons(0x6026);
317 D(bug(" patch 1 applied\n"));
318 } else if (PM(0,0x41e8) && PM(1,0x0374) && PM(2,0xfc1e)) {
319 // Don't call FC1E opcode (7.6, 7.6.1, 8.0, 8.1, 8.5, 8.6)
320 p[2] = htons(M68K_NOP);
321 D(bug(" patch 2 applied\n"));
322 } else if (PM(0,0x700a) && PM(1,0xfe0a)) {
323 // Don't call FE0A opcode (7.6, 7.6.1, 8.0, 8.1, 8.5, 8.6)
324 p[1] = htons(0x7000);
325 D(bug(" patch 3 applied\n"));
326 } else if (PM(0,0x6c00) && PM(1,0x016a) && PM(2,0x2278) && PM(3,0x0134)) {
327 // We don't have SonyVars (8.6)
328 p[-4] = htons(0x21fc); // move.l $40810000,($0000)
329 p[-3] = htons(0x4081);
330 p[-2] = htons(0x0000);
331 p[-1] = htons(0x0000);
332 p[0] = htons(0x6000);
333 D(bug(" patch 4 applied\n"));
334 }
335 p++;
336 }
337
338 } else if (type == FOURCC('g','p','c','h') && id == 999) {
339 D(bug("gpch 999 found\n"));
340 size >>= 1;
341 while (size--) {
342 if (PM(0,0xf301) && PM(1,0x9100) && PM(2,0x0c11) && PM(3,0x0044)) {
343 // Don't read from 0xf3019100 (MACE ENET) (8.5, 8.6)
344 p[2] = htons(M68K_NOP);
345 p[3] = htons(M68K_NOP);
346 p[4] = htons(0x6026);
347 D(bug(" patch 1 applied\n"));
348 }
349 p++;
350 }
351
352 } else if (type == FOURCC('g','p','c','h') && id == 3000) {
353 D(bug("gpch 3000 found\n"));
354 size >>= 1;
355 while (size--) {
356 if (PM(0,0xf301) && PM(1,0x9100) && PM(2,0x0c11) && PM(3,0x0044)) {
357 // Don't read from 0xf3019100 (MACE ENET) (8.1 with NewWorld ROM)
358 p[2] = htons(M68K_NOP);
359 p[3] = htons(M68K_NOP);
360 p[4] = htons(0x6026);
361 D(bug(" patch 1 applied\n"));
362 }
363 p++;
364 }
365
366 } else if (type == FOURCC('l','t','l','k') && id == 0) {
367 D(bug("ltlk 0 found\n"));
368 #if 1
369 size >>= 1;
370 while (size--) {
371 if (PM(0,0xc2fc) && PM(1,0x0fa0) && PM(2,0x82c5)) {
372 // 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)
373 p[2] = htons(0x7200);
374 WriteMacInt32(0x1d8, 0x2c00);
375 WriteMacInt32(0x1dc, 0x2c00);
376 D(bug(" patch 1 applied\n"));
377 } else if (PM(0,0x1418) && PM(1,0x84c1)) {
378 // Prevent division by 0 (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1)
379 p[1] = htons(0x7400);
380 D(bug(" patch 2 applied\n"));
381 } else if (PM(0,0x2678) && PM(1,0x01dc) && PM(2,0x3018) && PM(3,0x6708) && PM(4,0x1680) && PM(5,0xe058) && PM(6,0x1680)) {
382 // Don't write to SCC (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1)
383 p[4] = htons(M68K_NOP);
384 p[6] = htons(M68K_NOP);
385 D(bug(" patch 3 applied\n"));
386 } else if (PM(0,0x2278) && PM(1,0x01dc) && PM(2,0x12bc) && PM(3,0x0006) && PM(4,0x4e71) && PM(5,0x1292)) {
387 // Don't write to SCC (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1)
388 p[2] = htons(M68K_NOP);
389 p[3] = htons(M68K_NOP);
390 p[5] = htons(M68K_NOP);
391 D(bug(" patch 4 applied\n"));
392 } else if (PM(0,0x2278) && PM(1,0x01dc) && PM(2,0x12bc) && PM(3,0x0003) && PM(4,0x4e71) && PM(5,0x1281)) {
393 // Don't write to SCC (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1)
394 p[2] = htons(M68K_NOP);
395 p[3] = htons(M68K_NOP);
396 p[5] = htons(M68K_NOP);
397 D(bug(" patch 5 applied\n"));
398 } else if (PM(0,0x0811) && PM(1,0x0000) && PM(2,0x51c8) && PM(3,0xfffa)) {
399 // Don't test SCC (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1)
400 p[0] = htons(M68K_NOP);
401 p[1] = htons(M68K_NOP);
402 D(bug(" patch 6 applied\n"));
403 } else if (PM(0,0x4a2a) && PM(1,0x063e) && PM(2,0x66fa)) {
404 // Don't wait for SCC (7.5.2, 7.5.3, 7.5.5)
405 p[2] = htons(M68K_NOP);
406 D(bug(" patch 7 applied\n"));
407 } else if (PM(0,0x4a2a) && PM(1,0x03a6) && PM(2,0x66fa)) {
408 // Don't wait for SCC (7.6, 7.6.1, 8.0, 8.1)
409 p[2] = htons(M68K_NOP);
410 D(bug(" patch 8 applied\n"));
411 }
412 p++;
413 }
414 #else
415 // Disable LocalTalk
416 p[0] = htons(M68K_JMP_A0);
417 p[1] = htons(0x7000); // moveq #0,d0
418 p[2] = htons(M68K_RTS);
419 D(bug(" patch 1 applied\n"));
420 #endif
421
422 } else if (type == FOURCC('n','s','r','d') && id == 1) {
423 D(bug("nsrd 1 found\n"));
424 if (p[(0x378 + 0x570) >> 1] == htons(0x7c08) && p[(0x37a + 0x570) >> 1] == htons(0x02a6)) {
425 // Don't overwrite our serial drivers (8.0, 8.1)
426 p[(0x378 + 0x570) >> 1] = htons(0x4e80); // blr
427 p[(0x37a + 0x570) >> 1] = htons(0x0020);
428 D(bug(" patch 1 applied\n"));
429 } else if (p[(0x378 + 0x6c0) >> 1] == htons(0x7c08) && p[(0x37a + 0x6c0) >> 1] == htons(0x02a6)) {
430 // Don't overwrite our serial drivers (8.5, 8.6)
431 p[(0x378 + 0x6c0) >> 1] = htons(0x4e80); // blr
432 p[(0x37a + 0x6c0) >> 1] = htons(0x0020);
433 D(bug(" patch 2 applied\n"));
434 }
435
436 } else if (type == FOURCC('c','i','t','t') && id == 45) {
437 D(bug("citt 45 found\n"));
438 size >>= 1;
439 while (size--) {
440 if (PM(0,0x203c) && PM(1,0x0100) && PM(2,0x0000) && PM(3,0xc0ae) && PM(4,0xfffc)) {
441 // Don't replace SCSI Manager (8.1, 8.5, 8.6)
442 p[5] = htons((ntohs(p[5]) & 0xff) | 0x6000); // beq
443 D(bug(" patch 1 applied\n"));
444 break;
445 }
446 p++;
447 }
448
449 } else if (type == FOURCC('t','h','n','g')) {
450 // Collect info about used audio sifters
451 uint32 c_type = ntohl(0[(uint32 *)p]);
452 uint32 sub_type = ntohl(1[(uint32 *)p]);
453 if (c_type == FOURCC('s','d','e','v') && sub_type == FOURCC('s','i','n','g')) {
454 1[(uint32 *)p] = htonl(FOURCC('a','w','g','c'));
455 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));
456 AddSifter(ReadMacInt32(((uintptr)p)+20), ntohs(p[12]));
457 if (ntohs(p[28])) // componentPFCount
458 AddSifter(ReadMacInt32(((uintptr)p)+62), ntohs(p[33]));
459 }
460
461 } else if (type == FOURCC('s','i','f','t') || type == FOURCC('n','i','f','t')) {
462 // Patch audio sifters
463 if (FindSifter(type, id)) {
464 D(bug("sifter found\n"));
465 p[0] = htons(0x4e56); p[1] = htons(0x0000); // link a6,#0
466 p[2] = htons(0x48e7); p[3] = htons(0x8018); // movem.l d0/a3-a4,-(a7)
467 p[4] = htons(0x266e); p[5] = htons(0x000c); // movea.l $c(a6),a3
468 p[6] = htons(0x286e); p[7] = htons(0x0008); // movea.l $8(a6),a4
469 p[8] = htons(M68K_EMUL_OP_AUDIO_DISPATCH);
470 p[9] = htons(0x2d40); p[10] = htons(0x0010); // move.l d0,$10(a6)
471 p[11] = htons(0x4cdf); p[12] = htons(0x1801); // movem.l (a7)+,d0/a3-a4
472 p[13] = htons(0x4e5e); // unlk a6
473 p[14] = htons(0x4e74); p[15] = htons(0x0008); // rtd #8
474 D(bug(" patch applied\n"));
475 }
476
477 } else if (type == FOURCC('D','R','V','R') && (id == -16501 || id == -16500)) {
478 D(bug("DRVR -16501/-16500 found\n"));
479 // Install sound input driver
480 memcpy(p, sound_input_driver, sizeof(sound_input_driver));
481 D(bug(" patch 1 applied\n"));
482
483 } else if (type == FOURCC('I','N','I','T') && id == 1 && size == (2416 >> 1)) {
484 D(bug("INIT 1 (size 2416) found\n"));
485 size >>= 1;
486 while (size--) {
487 if (PM(0,0x247c) && PM(1,0xf301) && PM(2,0x9000)) {
488 // Prevent "MacOS Licensing Extension" from accessing hardware (7.6)
489 p[22] = htons(0x6028);
490 D(bug(" patch 1 applied\n"));
491 break;
492 }
493 p++;
494 }
495
496 } else if (type == FOURCC('s','c','o','d') && id == -16465) {
497 D(bug("scod -16465 found\n"));
498
499 // Don't crash in Process Manager on reset/shutdown (8.6)
500 static const uint8 dat[] = {0x4e, 0x56, 0x00, 0x00, 0x48, 0xe7, 0x03, 0x18, 0x2c, 0x2e, 0x00, 0x10};
501 base = find_rsrc_data((uint8 *)p, size, dat, sizeof(dat));
502 if (base) {
503 p16 = (uint16 *)((uintptr)p + base);
504 p16[0] = htons(0x7000); // moveq #0,d0
505 p16[1] = htons(M68K_RTS);
506 D(bug(" patch 1 applied\n"));
507 }
508 }
509 }
510
511
512 /*
513 * Native Resource Manager patches
514 */
515
516 #ifdef __BEOS__
517 static
518 #else
519 extern "C"
520 #endif
521 void check_load_invoc(uint32 type, int16 id, uint32 h)
522 {
523 if (h == 0)
524 return;
525 uint32 p = ReadMacInt32(h);
526 if (p == 0)
527 return;
528 uint32 size = ReadMacInt32(p - 2 * 4) & 0xffffff;
529
530 CheckLoad(type, id, (uint16 *)p, size);
531 }
532
533 #ifdef __BEOS__
534 static asm void **get_resource(register uint32 type, register int16 id)
535 {
536 // Create stack frame
537 mflr r0
538 stw r0,8(r1)
539 stwu r1,-(56+12)(r1)
540
541 // Save type/ID
542 stw r3,56(r1)
543 stw r4,56+4(r1)
544
545 // Call old routine
546 lwz r0,XLM_GET_RESOURCE
547 lwz r2,XLM_RES_LIB_TOC
548 mtctr r0
549 bctrl
550 lwz r2,XLM_TOC // Get TOC
551 stw r3,56+8(r1) // Save handle
552
553 // Call CheckLoad
554 lwz r3,56(r1)
555 lwz r4,56+4(r1)
556 lwz r5,56+8(r1)
557 bl check_load_invoc
558 lwz r3,56+8(r1) // Restore handle
559
560 // Return to caller
561 lwz r0,56+12+8(r1)
562 mtlr r0
563 addi r1,r1,56+12
564 blr
565 }
566
567 static asm void **get_1_resource(register uint32 type, register int16 id)
568 {
569 // Create stack frame
570 mflr r0
571 stw r0,8(r1)
572 stwu r1,-(56+12)(r1)
573
574 // Save type/ID
575 stw r3,56(r1)
576 stw r4,56+4(r1)
577
578 // Call old routine
579 lwz r0,XLM_GET_1_RESOURCE
580 lwz r2,XLM_RES_LIB_TOC
581 mtctr r0
582 bctrl
583 lwz r2,XLM_TOC // Get TOC
584 stw r3,56+8(r1) // Save handle
585
586 // Call CheckLoad
587 lwz r3,56(r1)
588 lwz r4,56+4(r1)
589 lwz r5,56+8(r1)
590 bl check_load_invoc
591 lwz r3,56+8(r1) // Restore handle
592
593 // Return to caller
594 lwz r0,56+12+8(r1)
595 mtlr r0
596 addi r1,r1,56+12
597 blr
598 }
599
600 static asm void **get_ind_resource(register uint32 type, register int16 index)
601 {
602 // Create stack frame
603 mflr r0
604 stw r0,8(r1)
605 stwu r1,-(56+12)(r1)
606
607 // Save type/index
608 stw r3,56(r1)
609 stw r4,56+4(r1)
610
611 // Call old routine
612 lwz r0,XLM_GET_IND_RESOURCE
613 lwz r2,XLM_RES_LIB_TOC
614 mtctr r0
615 bctrl
616 lwz r2,XLM_TOC // Get TOC
617 stw r3,56+8(r1) // Save handle
618
619 // Call CheckLoad
620 lwz r3,56(r1)
621 lwz r4,56+4(r1)
622 lwz r5,56+8(r1)
623 bl check_load_invoc
624 lwz r3,56+8(r1) // Restore handle
625
626 // Return to caller
627 lwz r0,56+12+8(r1)
628 mtlr r0
629 addi r1,r1,56+12
630 blr
631 }
632
633 static asm void **get_1_ind_resource(register uint32 type, register int16 index)
634 {
635 // Create stack frame
636 mflr r0
637 stw r0,8(r1)
638 stwu r1,-(56+12)(r1)
639
640 // Save type/index
641 stw r3,56(r1)
642 stw r4,56+4(r1)
643
644 // Call old routine
645 lwz r0,XLM_GET_1_IND_RESOURCE
646 lwz r2,XLM_RES_LIB_TOC
647 mtctr r0
648 bctrl
649 lwz r2,XLM_TOC // Get TOC
650 stw r3,56+8(r1) // Save handle
651
652 // Call CheckLoad
653 lwz r3,56(r1)
654 lwz r4,56+4(r1)
655 lwz r5,56+8(r1)
656 bl check_load_invoc
657 lwz r3,56+8(r1) // Restore handle
658
659 // Return to caller
660 lwz r0,56+12+8(r1)
661 mtlr r0
662 addi r1,r1,56+12
663 blr
664 }
665
666 static asm void **r_get_resource(register uint32 type, register int16 id)
667 {
668 // Create stack frame
669 mflr r0
670 stw r0,8(r1)
671 stwu r1,-(56+12)(r1)
672
673 // Save type/ID
674 stw r3,56(r1)
675 stw r4,56+4(r1)
676
677 // Call old routine
678 lwz r0,XLM_R_GET_RESOURCE
679 lwz r2,XLM_RES_LIB_TOC
680 mtctr r0
681 bctrl
682 lwz r2,XLM_TOC // Get TOC
683 stw r3,56+8(r1) // Save handle
684
685 // Call CheckLoad
686 lwz r3,56(r1)
687 lwz r4,56+4(r1)
688 lwz r5,56+8(r1)
689 bl check_load_invoc
690 lwz r3,56+8(r1) // Restore handle
691
692 // Return to caller
693 lwz r0,56+12+8(r1)
694 mtlr r0
695 addi r1,r1,56+12
696 blr
697 }
698 #else
699 // Routines in asm_linux.S
700 extern "C" void get_resource(void);
701 extern "C" void get_1_resource(void);
702 extern "C" void get_ind_resource(void);
703 extern "C" void get_1_ind_resource(void);
704 extern "C" void r_get_resource(void);
705 #endif
706
707 void PatchNativeResourceManager(void)
708 {
709 D(bug("PatchNativeResourceManager\n"));
710
711 // Patch native GetResource()
712 uint32 upp = ReadMacInt32(0x1480);
713 if ((upp & 0xffc00000) == ROM_BASE)
714 return;
715 uint32 *tvec = (uint32 *)ReadMacInt32(upp + 5 * 4);
716 D(bug(" GetResource() entry %08x, TOC %08x\n", ntohl(tvec[0]), ntohl(tvec[1])));
717 *(uint32 *)XLM_RES_LIB_TOC = tvec[1];
718 *(uint32 *)XLM_GET_RESOURCE = tvec[0];
719 #if EMULATED_PPC
720 tvec[0] = htonl(NativeFunction(NATIVE_GET_RESOURCE));
721 #else
722 #ifdef __BEOS__
723 uint32 *tvec2 = (uint32 *)get_resource;
724 tvec[0] = tvec2[0];
725 tvec[1] = tvec2[1];
726 #else
727 tvec[0] = (uint32)get_resource;
728 #endif
729 #endif
730
731 // Patch native Get1Resource()
732 upp = ReadMacInt32(0x0e7c);
733 tvec = (uint32 *)ReadMacInt32(upp + 5 * 4);
734 D(bug(" Get1Resource() entry %08x, TOC %08x\n", ntohl(tvec[0]), ntohl(tvec[1])));
735 *(uint32 *)XLM_GET_1_RESOURCE = tvec[0];
736 #if EMULATED_PPC
737 tvec[0] = htonl(NativeFunction(NATIVE_GET_1_RESOURCE));
738 #else
739 #ifdef __BEOS__
740 tvec2 = (uint32 *)get_1_resource;
741 tvec[0] = tvec2[0];
742 tvec[1] = tvec2[1];
743 #else
744 tvec[0] = (uint32)get_1_resource;
745 #endif
746 #endif
747
748 // Patch native GetIndResource()
749 upp = ReadMacInt32(0x1474);
750 tvec = (uint32 *)ReadMacInt32(upp + 5 * 4);
751 D(bug(" GetIndResource() entry %08x, TOC %08x\n", ntohl(tvec[0]), ntohl(tvec[1])));
752 *(uint32 *)XLM_GET_IND_RESOURCE = tvec[0];
753 #if EMULATED_PPC
754 tvec[0] = htonl(NativeFunction(NATIVE_GET_IND_RESOURCE));
755 #else
756 #ifdef __BEOS__
757 tvec2 = (uint32 *)get_ind_resource;
758 tvec[0] = tvec2[0];
759 tvec[1] = tvec2[1];
760 #else
761 tvec[0] = (uint32)get_ind_resource;
762 #endif
763 #endif
764
765 // Patch native Get1IndResource()
766 upp = ReadMacInt32(0x0e38);
767 tvec = (uint32 *)ReadMacInt32(upp + 5 * 4);
768 D(bug(" Get1IndResource() entry %08x, TOC %08x\n", ntohl(tvec[0]), ntohl(tvec[1])));
769 *(uint32 *)XLM_GET_1_IND_RESOURCE = tvec[0];
770 #if EMULATED_PPC
771 tvec[0] = htonl(NativeFunction(NATIVE_GET_1_IND_RESOURCE));
772 #else
773 #ifdef __BEOS__
774 tvec2 = (uint32 *)get_1_ind_resource;
775 tvec[0] = tvec2[0];
776 tvec[1] = tvec2[1];
777 #else
778 tvec[0] = (uint32)get_1_ind_resource;
779 #endif
780 #endif
781
782 // Patch native RGetResource()
783 upp = ReadMacInt32(0x0e30);
784 tvec = (uint32 *)ReadMacInt32(upp + 5 * 4);
785 D(bug(" RGetResource() entry %08x, TOC %08x\n", ntohl(tvec[0]), ntohl(tvec[1])));
786 *(uint32 *)XLM_R_GET_RESOURCE = tvec[0];
787 #if EMULATED_PPC
788 tvec[0] = htonl(NativeFunction(NATIVE_R_GET_RESOURCE));
789 #else
790 #ifdef __BEOS__
791 tvec2 = (uint32 *)r_get_resource;
792 tvec[0] = tvec2[0];
793 tvec[1] = tvec2[1];
794 #else
795 tvec[0] = (uint32)r_get_resource;
796 #endif
797 #endif
798 }