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root/cebix/SheepShaver/src/rsrc_patches.cpp
Revision: 1.13
Committed: 2004-12-19T09:26:30Z (19 years, 5 months ago) by gbeauche
Branch: MAIN
Changes since 1.12: +5 -0 lines
Log Message:
Don't overwrite our serial drivers (9.0)

File Contents

# Content
1 /*
2 * rsrc_patches.cpp - Resource patches
3 *
4 * SheepShaver (C) 1997-2004 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 "audio_defs.h"
35 #include "thunks.h"
36
37 #define DEBUG 0
38 #include "debug.h"
39
40
41 // Sound input driver
42 static const uint8 sound_input_driver[] = { // .AppleSoundInput driver header
43 // Driver header
44 0x4d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
45 0x00, 0x24, // Open() offset
46 0x00, 0x28, // Prime() offset
47 0x00, 0x2c, // Control() offset
48 0x00, 0x38, // Status() offset
49 0x00, 0x5e, // Close() offset
50 0x10, 0x2e, 0x41, 0x70, 0x70, 0x6c, 0x65, 0x53, 0x6f, 0x75, 0x6e, 0x64, 0x49, 0x6e, 0x70, 0x75, 0x74, 0x00, // ".AppleSoundInput"
51
52 // Open()
53 M68K_EMUL_OP_SOUNDIN_OPEN >> 8, M68K_EMUL_OP_SOUNDIN_OPEN & 0xff,
54 0x4e, 0x75, // rts
55
56 // Prime()
57 M68K_EMUL_OP_SOUNDIN_PRIME >> 8, M68K_EMUL_OP_SOUNDIN_PRIME & 0xff,
58 0x60, 0x0e, // bra IOReturn
59
60 // Control()
61 M68K_EMUL_OP_SOUNDIN_CONTROL >> 8, M68K_EMUL_OP_SOUNDIN_CONTROL & 0xff,
62 0x0c, 0x68, 0x00, 0x01, 0x00, 0x1a, // cmp.w #1,$1a(a0)
63 0x66, 0x04, // bne IOReturn
64 0x4e, 0x75, // rts
65
66 // Status()
67 M68K_EMUL_OP_SOUNDIN_STATUS >> 8, M68K_EMUL_OP_SOUNDIN_STATUS & 0xff,
68
69 // IOReturn
70 0x32, 0x28, 0x00, 0x06, // move.w 6(a0),d1
71 0x08, 0x01, 0x00, 0x09, // btst #9,d1
72 0x67, 0x0c, // beq 1
73 0x4a, 0x40, // tst.w d0
74 0x6f, 0x02, // ble 2
75 0x42, 0x40, // clr.w d0
76 0x31, 0x40, 0x00, 0x10, //2 move.w d0,$10(a0)
77 0x4e, 0x75, // rts
78 0x4a, 0x40, //1 tst.w d0
79 0x6f, 0x04, // ble 3
80 0x42, 0x40, // clr.w d0
81 0x4e, 0x75, // rts
82 0x2f, 0x38, 0x08, 0xfc, //3 move.l $8fc,-(sp)
83 0x4e, 0x75, // rts
84
85 // Close()
86 M68K_EMUL_OP_SOUNDIN_CLOSE >> 8, M68K_EMUL_OP_SOUNDIN_CLOSE & 0xff,
87 0x4e, 0x75, // rts
88 };
89
90
91 /*
92 * Search resource for byte string, return offset (or 0)
93 */
94
95 static uint32 find_rsrc_data(const uint8 *rsrc, uint32 max, const uint8 *search, uint32 search_len, uint32 ofs = 0)
96 {
97 while (ofs < max - search_len) {
98 if (!memcmp(rsrc + ofs, search, search_len))
99 return ofs;
100 ofs++;
101 }
102 return 0;
103 }
104
105
106 /*
107 * Resource patches via vCheckLoad
108 */
109
110 // 680x0 code pattern matching helper
111 #define PM(N, V) (p[N] == htons(V))
112
113 void CheckLoad(uint32 type, int16 id, uint16 *p, uint32 size)
114 {
115 uint16 *p16;
116 uint32 base;
117 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));
118
119 // Don't modify resources in ROM
120 if ((uintptr)p >= (uintptr)ROMBaseHost && (uintptr)p <= (uintptr)(ROMBaseHost + ROM_SIZE))
121 return;
122
123 if (type == FOURCC('b','o','o','t') && id == 3) {
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);
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)
133 p[7] = htons(M68K_EMUL_OP_NTRB_17_PATCH3);
134 D(bug(" patch 2 applied\n"));
135 } else if (PM(0,0x3f2a) && PM(1,0x0006) && PM(2,0x3f2a) && PM(3,0x0002) && PM(4,0x6100)) {
136 // Check when ntrb 17 is installed (for native Resource Manager patch) (7.6, 7.6.1, 8.0, 8.1)
137 p[7] = htons(M68K_EMUL_OP_NTRB_17_PATCH);
138 D(bug(" patch 3 applied\n"));
139 } else if (PM(0,0x3f2a) && PM(1,0x0006) && PM(2,0x3f2a) && PM(3,0x0002) && PM(4,0x61ff) && PM(8,0x245f)) {
140 // Check when ntrb 17 is installed (for native Resource Manager patch) (8.5, 8.6)
141 p[8] = htons(M68K_EMUL_OP_NTRB_17_PATCH);
142 D(bug(" patch 4 applied\n"));
143 } else if (PM(0,0x3f2a) && PM(1,0x0006) && PM(2,0x3f2a) && PM(3,0x0002) && PM(4,0x61ff) && PM(7,0x301f)) {
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"));
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)
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"));
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)
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"));
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"));
170 }
171 }
172 p++;
173 }
174
175 } else if (type == FOURCC('g','n','l','d') && id == 0) {
176 D(bug("gnld 0 found\n"));
177
178 // Patch native Resource Manager after ntrbs are installed (7.5.2)
179 static const uint8 dat[] = {0x4e, 0xba, 0x00, 0x9e, 0x3e, 0x00, 0x50, 0x4f, 0x67, 0x04};
180 base = find_rsrc_data((uint8 *)p, size, dat, sizeof(dat));
181 if (base) {
182 p16 = (uint16 *)((uintptr)p + base + 6);
183 *p16 = htons(M68K_EMUL_OP_NTRB_17_PATCH2);
184 D(bug(" patch 1 applied\n"));
185 }
186
187 } else if (type == FOURCC('p','t','c','h') && id == 156) {
188 D(bug("ptch 156 found\n"));
189 size >>= 1;
190 while (size--) {
191 if (PM(0,0x4e56) && PM(1,0xfffa) && PM(2,0x48e7) && PM(3,0x1f18) && PM(4,0x7800) && PM(5,0x267c) && PM(6,0x6900) && PM(7,0x0000)) {
192 // Don't call FE0A opcode (9.0)
193 p[0] = htons(0x7000); // moveq #0,d0
194 p[1] = htons(M68K_RTS);
195 D(bug(" patch 1 applied\n"));
196 break;
197 }
198 p++;
199 }
200
201 } else if (type == FOURCC('p','t','c','h') && id == 420) {
202 D(bug("ptch 420 found\n"));
203 size >>= 1;
204 while (size--) {
205 if (PM(0,0xa030) && PM(1,0x5240) && PM(2,0x303c) && PM(3,0x0100) && PM(4,0xc06e) && PM(5,0xfef6)) {
206 // Disable VM (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1)
207 p[1] = htons(M68K_NOP);
208 p[2] = htons(M68K_NOP);
209 p[3] = htons(M68K_NOP);
210 p[4] = htons(M68K_NOP);
211 p[5] = htons(M68K_NOP);
212 p[6] = htons(M68K_NOP);
213 p[7] = htons(M68K_NOP);
214 p[8] = htons(M68K_NOP);
215 p[9] = htons(M68K_NOP);
216 p[10] = htons(M68K_NOP);
217 p[11] = htons(M68K_NOP);
218 D(bug(" patch 1 applied\n"));
219 break;
220 } else if (PM(0,0xa030) && PM(1,0x5240) && PM(2,0x7000) && PM(3,0x302e) && PM(4,0xfef6) && PM(5,0x323c) && PM(6,0x0100)) {
221 // Disable VM (8.0, 8.1)
222 p[8] = htons(M68K_NOP);
223 p[15] = htons(M68K_NOP);
224 D(bug(" patch 2 applied\n"));
225 break;
226 } else if (PM(0,0xa030) && PM(1,0x5240) && PM(2,0x7000) && PM(3,0x302e) && PM(4,0xfecc) && PM(5,0x323c) && PM(6,0x0100)) {
227 // Disable VM (8.5, 8.6)
228 p[8] = htons(M68K_NOP);
229 p[15] = htons(M68K_NOP);
230 D(bug(" patch 3 applied\n"));
231 break;
232 }
233 p++;
234 }
235
236 } else if (type == FOURCC('g','p','c','h') && id == 16) {
237 D(bug("gpch 16 found\n"));
238 size >>= 1;
239 while (size--) {
240 if (PM(0,0x6700) && PM(13,0x7013) && PM(14,0xfe0a)) {
241 // Don't call FE0A in Shutdown Manager (7.6.1, 8.0, 8.1, 8.5)
242 p[0] = htons(0x6000);
243 D(bug(" patch 1 applied\n"));
244 break;
245 }
246 p++;
247 }
248
249 } else if (type == FOURCC('g','p','c','h') && id == 650) {
250 D(bug("gpch 650 found\n"));
251 size >>= 1;
252 while (size--) {
253 if (PM(0,0x6600) && PM(1,0x001a) && PM(2,0x2278) && PM(3,0x0134)) {
254 // We don't have SonyVars (7.5.2)
255 p[0] = htons(0x6000);
256 D(bug(" patch 1 applied\n"));
257 } else if (PM(0,0x6618) && PM(1,0x2278) && PM(2,0x0134)) {
258 // We don't have SonyVars (7.5.3)
259 p[-6] = htons(M68K_NOP);
260 p[-3] = htons(M68K_NOP);
261 p[0] = htons(0x6018);
262 D(bug(" patch 2 applied\n"));
263 } else if (PM(0,0x666e) && PM(1,0x2278) && PM(2,0x0134)) {
264 // We don't have SonyVars (7.5.5)
265 p[-6] = htons(M68K_NOP);
266 p[-3] = htons(M68K_NOP);
267 p[0] = htons(0x606e);
268 D(bug(" patch 3 applied\n"));
269 } else if (PM(0,0x6400) && PM(1,0x011c) && PM(2,0x2278) && PM(3,0x0134)) {
270 // We don't have SonyVars (7.6.1, 8.0, 8.1, 8.5, 8.6)
271 p[0] = htons(0x6000);
272 D(bug(" patch 4 applied\n"));
273 } else if (PM(0,0x6400) && PM(1,0x00e6) && PM(2,0x2278) && PM(3,0x0134)) {
274 // We don't have SonyVars (7.6)
275 p[0] = htons(0x6000);
276 D(bug(" patch 5 applied\n"));
277 }
278 p++;
279 }
280
281 } else if (type == FOURCC('g','p','c','h') && id == 655) {
282 D(bug("gpch 655 found\n"));
283 size >>= 1;
284 while (size--) {
285 if (PM(0,0x83a8) && PM(1,0x0024) && PM(2,0x4e71)) {
286 // Don't write to GC interrupt mask (7.6, 7.6.1, 8.0, 8.1 with Zanzibar ROM)
287 p[0] = htons(M68K_NOP);
288 p[1] = htons(M68K_NOP);
289 D(bug(" patch 1 applied\n"));
290 } else if (PM(0,0x207c) && PM(1,0xf300) && PM(2,0x0034)) {
291 // Don't read PowerMac ID (7.6, 7.6.1, 8.0, 8.1 with Zanzibar ROM)
292 p[0] = htons(0x303c); // move.w #id,d0
293 p[1] = htons(0x3020);
294 p[2] = htons(M68K_RTS);
295 D(bug(" patch 2 applied\n"));
296 } else if (PM(0,0x13fc) && PM(1,0x0081) && PM(2,0xf130) && PM(3,0xa030)) {
297 // Don't write to hardware (7.6, 7.6.1, 8.0, 8.1 with Zanzibar ROM)
298 p[0] = htons(M68K_NOP);
299 p[1] = htons(M68K_NOP);
300 p[2] = htons(M68K_NOP);
301 p[3] = htons(M68K_NOP);
302 D(bug(" patch 3 applied\n"));
303 } else if (PM(0,0x4e56) && PM(1,0x0000) && PM(2,0x227c) && PM(3,0xf800) && PM(4,0x0000)) {
304 // OpenFirmare? (7.6.1, 8.0, 8.1 with Zanzibar ROM)
305 p[0] = htons(M68K_RTS);
306 D(bug(" patch 4 applied\n"));
307 } else if (PM(0,0x4e56) && PM(1,0xfffc) && PM(2,0x48e7) && PM(3,0x0300) && PM(4,0x598f) && PM(5,0x2eb8) && PM(6,0x01dc)) {
308 // Don't write to SCC (7.6.1, 8.0, 8.1 with Zanzibar ROM)
309 p[0] = htons(M68K_RTS);
310 D(bug(" patch 5 applied\n"));
311 } else if (PM(0,0x4e56) && PM(1,0x0000) && PM(2,0x227c) && PM(3,0xf300) && PM(4,0x0034)) {
312 // Don't write to GC (7.6.1, 8.0, 8.1 with Zanzibar ROM)
313 p[0] = htons(M68K_RTS);
314 D(bug(" patch 6 applied\n"));
315 } 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)) {
316 // Don't replace NVRAM routines (7.6, 7.6.1, 8.0, 8.1 with Zanzibar ROM)
317 p[0] = htons(M68K_RTS);
318 D(bug(" patch 7 applied\n"));
319 } else if (PM(0,0x207c) && PM(1,0x50f1) && PM(2,0xa101) && (PM(3,0x08d0) || PM(3,0x0890))) {
320 // Don't write to 0x50f1a101 (8.1 with Zanzibar ROM)
321 p[3] = htons(M68K_NOP);
322 p[4] = htons(M68K_NOP);
323 D(bug(" patch 8 applied\n"));
324 }
325 p++;
326 }
327
328 } else if (type == FOURCC('g','p','c','h') && id == 750) {
329 D(bug("gpch 750 found\n"));
330 size >>= 1;
331 while (size--) {
332 if (PM(0,0xf301) && PM(1,0x9100) && PM(2,0x0c11) && PM(3,0x0044)) {
333 // Don't read from 0xf3019100 (MACE ENET) (7.6, 7.6.1, 8.0, 8.1)
334 p[2] = htons(M68K_NOP);
335 p[3] = htons(M68K_NOP);
336 p[4] = htons(0x6026);
337 D(bug(" patch 1 applied\n"));
338 } else if (PM(0,0x41e8) && PM(1,0x0374) && PM(2,0xfc1e)) {
339 // Don't call FC1E opcode (7.6, 7.6.1, 8.0, 8.1, 8.5, 8.6)
340 p[2] = htons(M68K_NOP);
341 D(bug(" patch 2 applied\n"));
342 } else if (PM(0,0x700a) && PM(1,0xfe0a)) {
343 // Don't call FE0A opcode (7.6, 7.6.1, 8.0, 8.1, 8.5, 8.6)
344 p[1] = htons(0x7000);
345 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"));
354 }
355 p++;
356 }
357
358 } else if (type == FOURCC('g','p','c','h') && id == 999) {
359 D(bug("gpch 999 found\n"));
360 size >>= 1;
361 while (size--) {
362 if (PM(0,0xf301) && PM(1,0x9100) && PM(2,0x0c11) && PM(3,0x0044)) {
363 // Don't read from 0xf3019100 (MACE ENET) (8.5, 8.6)
364 p[2] = htons(M68K_NOP);
365 p[3] = htons(M68K_NOP);
366 p[4] = htons(0x6026);
367 D(bug(" patch 1 applied\n"));
368 }
369 p++;
370 }
371
372 } else if (type == FOURCC('g','p','c','h') && id == 3000) {
373 D(bug("gpch 3000 found\n"));
374 size >>= 1;
375 while (size--) {
376 if (PM(0,0xf301) && PM(1,0x9100) && PM(2,0x0c11) && PM(3,0x0044)) {
377 // Don't read from 0xf3019100 (MACE ENET) (8.1 with NewWorld ROM)
378 p[2] = htons(M68K_NOP);
379 p[3] = htons(M68K_NOP);
380 p[4] = htons(0x6026);
381 D(bug(" patch 1 applied\n"));
382 }
383 p++;
384 }
385
386 } else if (type == FOURCC('l','t','l','k') && id == 0) {
387 D(bug("ltlk 0 found\n"));
388 #if 1
389 size >>= 1;
390 while (size--) {
391 if (PM(0,0xc2fc) && PM(1,0x0fa0) && PM(2,0x82c5)) {
392 // 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)
393 p[2] = htons(0x7200);
394 WriteMacInt32(0x1d8, 0x2c00);
395 WriteMacInt32(0x1dc, 0x2c00);
396 D(bug(" patch 1 applied\n"));
397 } else if (PM(0,0x1418) && PM(1,0x84c1)) {
398 // Prevent division by 0 (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1)
399 p[1] = htons(0x7400);
400 D(bug(" patch 2 applied\n"));
401 } else if (PM(0,0x2678) && PM(1,0x01dc) && PM(2,0x3018) && PM(3,0x6708) && PM(4,0x1680) && PM(5,0xe058) && PM(6,0x1680)) {
402 // Don't write to SCC (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1)
403 p[4] = htons(M68K_NOP);
404 p[6] = htons(M68K_NOP);
405 D(bug(" patch 3 applied\n"));
406 } else if (PM(0,0x2278) && PM(1,0x01dc) && PM(2,0x12bc) && PM(3,0x0006) && PM(4,0x4e71) && PM(5,0x1292)) {
407 // Don't write to SCC (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1)
408 p[2] = htons(M68K_NOP);
409 p[3] = htons(M68K_NOP);
410 p[5] = htons(M68K_NOP);
411 D(bug(" patch 4 applied\n"));
412 } else if (PM(0,0x2278) && PM(1,0x01dc) && PM(2,0x12bc) && PM(3,0x0003) && PM(4,0x4e71) && PM(5,0x1281)) {
413 // Don't write to SCC (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1)
414 p[2] = htons(M68K_NOP);
415 p[3] = htons(M68K_NOP);
416 p[5] = htons(M68K_NOP);
417 D(bug(" patch 5 applied\n"));
418 } else if (PM(0,0x0811) && PM(1,0x0000) && PM(2,0x51c8) && PM(3,0xfffa)) {
419 // Don't test SCC (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1)
420 p[0] = htons(M68K_NOP);
421 p[1] = htons(M68K_NOP);
422 D(bug(" patch 6 applied\n"));
423 } else if (PM(0,0x4a2a) && PM(1,0x063e) && PM(2,0x66fa)) {
424 // Don't wait for SCC (7.5.2, 7.5.3, 7.5.5)
425 p[2] = htons(M68K_NOP);
426 D(bug(" patch 7 applied\n"));
427 } else if (PM(0,0x4a2a) && PM(1,0x03a6) && PM(2,0x66fa)) {
428 // Don't wait for SCC (7.6, 7.6.1, 8.0, 8.1)
429 p[2] = htons(M68K_NOP);
430 D(bug(" patch 8 applied\n"));
431 }
432 p++;
433 }
434 #else
435 // Disable LocalTalk
436 p[0] = htons(M68K_JMP_A0);
437 p[1] = htons(0x7000); // moveq #0,d0
438 p[2] = htons(M68K_RTS);
439 D(bug(" patch 1 applied\n"));
440 #endif
441
442 } else if (type == FOURCC('n','s','r','d') && id == 1) {
443 D(bug("nsrd 1 found\n"));
444 if (p[(0x378 + 0x570) >> 1] == htons(0x7c08) && p[(0x37a + 0x570) >> 1] == htons(0x02a6)) {
445 // Don't overwrite our serial drivers (8.0, 8.1)
446 p[(0x378 + 0x570) >> 1] = htons(0x4e80); // blr
447 p[(0x37a + 0x570) >> 1] = htons(0x0020);
448 D(bug(" patch 1 applied\n"));
449 } else if (p[(0x378 + 0x6c0) >> 1] == htons(0x7c08) && p[(0x37a + 0x6c0) >> 1] == htons(0x02a6)) {
450 // Don't overwrite our serial drivers (8.5, 8.6)
451 p[(0x378 + 0x6c0) >> 1] = htons(0x4e80); // blr
452 p[(0x37a + 0x6c0) >> 1] = htons(0x0020);
453 D(bug(" patch 2 applied\n"));
454 } else if (p[(0x374 + 0x510) >> 1] == htons(0x7c08) && p[(0x376 + 0x510) >> 1] == htons(0x02a6)) {
455 // Don't overwrite our serial drivers (9.0)
456 p[(0x374 + 0x510) >> 1] = htons(0x4e80); // blr
457 p[(0x376 + 0x510) >> 1] = htons(0x0020);
458 D(bug(" patch 3 applied\n"));
459 }
460
461 } else if (type == FOURCC('c','i','t','t') && id == 45) {
462 D(bug("citt 45 found\n"));
463 size >>= 1;
464 while (size--) {
465 if (PM(0,0x203c) && PM(1,0x0100) && PM(2,0x0000) && PM(3,0xc0ae) && PM(4,0xfffc)) {
466 // Don't replace SCSI Manager (8.1, 8.5, 8.6)
467 p[5] = htons((ntohs(p[5]) & 0xff) | 0x6000); // beq
468 D(bug(" patch 1 applied\n"));
469 break;
470 }
471 p++;
472 }
473
474 } else if (type == FOURCC('t','h','n','g')) {
475 // Collect info about used audio sifters
476 uint32 thing = Host2MacAddr((uint8 *)p);
477 uint32 c_type = ReadMacInt32(thing);
478 uint32 sub_type = ReadMacInt32(thing + 4);
479 if (c_type == FOURCC('s','d','e','v') && sub_type == FOURCC('s','i','n','g')) {
480 WriteMacInt32(thing + 4, FOURCC('a','w','g','c'));
481 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));
482 AddSifter(ReadMacInt32(thing + componentResType), ReadMacInt16(thing + componentResID));
483 if (ReadMacInt32(thing + componentPFCount))
484 AddSifter(ReadMacInt32(thing + componentPFResType), ReadMacInt16(thing + componentPFResID));
485 }
486
487 } else if (type == FOURCC('s','i','f','t') || type == FOURCC('n','i','f','t')) {
488 // Patch audio sifters
489 if (FindSifter(type, id)) {
490 D(bug("sifter found\n"));
491 p[0] = htons(0x4e56); p[1] = htons(0x0000); // link a6,#0
492 p[2] = htons(0x48e7); p[3] = htons(0x8018); // movem.l d0/a3-a4,-(a7)
493 p[4] = htons(0x266e); p[5] = htons(0x000c); // movea.l $c(a6),a3
494 p[6] = htons(0x286e); p[7] = htons(0x0008); // movea.l $8(a6),a4
495 p[8] = htons(M68K_EMUL_OP_AUDIO_DISPATCH);
496 p[9] = htons(0x2d40); p[10] = htons(0x0010); // move.l d0,$10(a6)
497 p[11] = htons(0x4cdf); p[12] = htons(0x1801); // movem.l (a7)+,d0/a3-a4
498 p[13] = htons(0x4e5e); // unlk a6
499 p[14] = htons(0x4e74); p[15] = htons(0x0008); // rtd #8
500 D(bug(" patch applied\n"));
501 }
502
503 } else if (type == FOURCC('D','R','V','R') && (id == -16501 || id == -16500)) {
504 D(bug("DRVR -16501/-16500 found\n"));
505 // Install sound input driver
506 memcpy(p, sound_input_driver, sizeof(sound_input_driver));
507 D(bug(" patch 1 applied\n"));
508
509 } else if (type == FOURCC('I','N','I','T') && id == 1 && size == (2416 >> 1)) {
510 D(bug("INIT 1 (size 2416) found\n"));
511 size >>= 1;
512 while (size--) {
513 if (PM(0,0x247c) && PM(1,0xf301) && PM(2,0x9000)) {
514 // Prevent "MacOS Licensing Extension" from accessing hardware (7.6)
515 p[22] = htons(0x6028);
516 D(bug(" patch 1 applied\n"));
517 break;
518 }
519 p++;
520 }
521
522 } else if (type == FOURCC('s','c','o','d') && id == -16465) {
523 D(bug("scod -16465 found\n"));
524
525 // Don't crash in Process Manager on reset/shutdown (8.6)
526 static const uint8 dat[] = {0x4e, 0x56, 0x00, 0x00, 0x48, 0xe7, 0x03, 0x18, 0x2c, 0x2e, 0x00, 0x10};
527 base = find_rsrc_data((uint8 *)p, size, dat, sizeof(dat));
528 if (base) {
529 p16 = (uint16 *)((uintptr)p + base);
530 p16[0] = htons(0x7000); // moveq #0,d0
531 p16[1] = htons(M68K_RTS);
532 D(bug(" patch 1 applied\n"));
533 }
534
535 } else if (type == FOURCC('N','O','b','j') && id == 100) {
536 D(bug("NObj 100 found\n"));
537
538 // Don't access VIA registers in MacBench 5.0
539 static const uint8 dat1[] = {0x7c, 0x08, 0x02, 0xa6, 0xbf, 0x01, 0xff, 0xe0, 0x90, 0x01, 0x00, 0x08};
540 base = find_rsrc_data((uint8 *)p, size, dat1, sizeof(dat1));
541 if (base) {
542 p[(base + 0x00) >> 1] = htons(0x3860); // li r3,0
543 p[(base + 0x02) >> 1] = htons(0x0000);
544 p[(base + 0x04) >> 1] = htons(0x4e80); // blr
545 p[(base + 0x06) >> 1] = htons(0x0020);
546 D(bug(" patch 1 applied\n"));
547 }
548 static const uint8 dat2[] = {0x7c, 0x6c, 0x1b, 0x78, 0x7c, 0x8b, 0x23, 0x78, 0x38, 0xc0, 0x3f, 0xfd};
549 base = find_rsrc_data((uint8 *)p, size, dat2, sizeof(dat2));
550 if (base) {
551 p[(base + 0x00) >> 1] = htons(0x3860); // li r3,0
552 p[(base + 0x02) >> 1] = htons(0x0000);
553 p[(base + 0x04) >> 1] = htons(0x4e80); // blr
554 p[(base + 0x06) >> 1] = htons(0x0020);
555 D(bug(" patch 2 applied\n"));
556 }
557 }
558 }
559
560
561 /*
562 * Native Resource Manager patches
563 */
564
565 #ifdef __BEOS__
566 static
567 #else
568 extern "C"
569 #endif
570 void check_load_invoc(uint32 type, int16 id, uint32 h)
571 {
572 if (h == 0)
573 return;
574 uint32 p = ReadMacInt32(h);
575 if (p == 0)
576 return;
577 uint32 size = ReadMacInt32(p - 2 * 4) & 0xffffff;
578
579 CheckLoad(type, id, (uint16 *)Mac2HostAddr(p), size);
580 }
581
582 #ifdef __BEOS__
583 static asm void **get_resource(register uint32 type, register int16 id)
584 {
585 // Create stack frame
586 mflr r0
587 stw r0,8(r1)
588 stwu r1,-(56+12)(r1)
589
590 // Save type/ID
591 stw r3,56(r1)
592 stw r4,56+4(r1)
593
594 // Call old routine
595 lwz r0,XLM_GET_RESOURCE
596 lwz r2,XLM_RES_LIB_TOC
597 mtctr r0
598 bctrl
599 lwz r2,XLM_TOC // Get TOC
600 stw r3,56+8(r1) // Save handle
601
602 // Call CheckLoad
603 lwz r3,56(r1)
604 lwz r4,56+4(r1)
605 lwz r5,56+8(r1)
606 bl check_load_invoc
607 lwz r3,56+8(r1) // Restore handle
608
609 // Return to caller
610 lwz r0,56+12+8(r1)
611 mtlr r0
612 addi r1,r1,56+12
613 blr
614 }
615
616 static asm void **get_1_resource(register uint32 type, register int16 id)
617 {
618 // Create stack frame
619 mflr r0
620 stw r0,8(r1)
621 stwu r1,-(56+12)(r1)
622
623 // Save type/ID
624 stw r3,56(r1)
625 stw r4,56+4(r1)
626
627 // Call old routine
628 lwz r0,XLM_GET_1_RESOURCE
629 lwz r2,XLM_RES_LIB_TOC
630 mtctr r0
631 bctrl
632 lwz r2,XLM_TOC // Get TOC
633 stw r3,56+8(r1) // Save handle
634
635 // Call CheckLoad
636 lwz r3,56(r1)
637 lwz r4,56+4(r1)
638 lwz r5,56+8(r1)
639 bl check_load_invoc
640 lwz r3,56+8(r1) // Restore handle
641
642 // Return to caller
643 lwz r0,56+12+8(r1)
644 mtlr r0
645 addi r1,r1,56+12
646 blr
647 }
648
649 static asm void **get_ind_resource(register uint32 type, register int16 index)
650 {
651 // Create stack frame
652 mflr r0
653 stw r0,8(r1)
654 stwu r1,-(56+12)(r1)
655
656 // Save type/index
657 stw r3,56(r1)
658 stw r4,56+4(r1)
659
660 // Call old routine
661 lwz r0,XLM_GET_IND_RESOURCE
662 lwz r2,XLM_RES_LIB_TOC
663 mtctr r0
664 bctrl
665 lwz r2,XLM_TOC // Get TOC
666 stw r3,56+8(r1) // Save handle
667
668 // Call CheckLoad
669 lwz r3,56(r1)
670 lwz r4,56+4(r1)
671 lwz r5,56+8(r1)
672 bl check_load_invoc
673 lwz r3,56+8(r1) // Restore handle
674
675 // Return to caller
676 lwz r0,56+12+8(r1)
677 mtlr r0
678 addi r1,r1,56+12
679 blr
680 }
681
682 static asm void **get_1_ind_resource(register uint32 type, register int16 index)
683 {
684 // Create stack frame
685 mflr r0
686 stw r0,8(r1)
687 stwu r1,-(56+12)(r1)
688
689 // Save type/index
690 stw r3,56(r1)
691 stw r4,56+4(r1)
692
693 // Call old routine
694 lwz r0,XLM_GET_1_IND_RESOURCE
695 lwz r2,XLM_RES_LIB_TOC
696 mtctr r0
697 bctrl
698 lwz r2,XLM_TOC // Get TOC
699 stw r3,56+8(r1) // Save handle
700
701 // Call CheckLoad
702 lwz r3,56(r1)
703 lwz r4,56+4(r1)
704 lwz r5,56+8(r1)
705 bl check_load_invoc
706 lwz r3,56+8(r1) // Restore handle
707
708 // Return to caller
709 lwz r0,56+12+8(r1)
710 mtlr r0
711 addi r1,r1,56+12
712 blr
713 }
714
715 static asm void **r_get_resource(register uint32 type, register int16 id)
716 {
717 // Create stack frame
718 mflr r0
719 stw r0,8(r1)
720 stwu r1,-(56+12)(r1)
721
722 // Save type/ID
723 stw r3,56(r1)
724 stw r4,56+4(r1)
725
726 // Call old routine
727 lwz r0,XLM_R_GET_RESOURCE
728 lwz r2,XLM_RES_LIB_TOC
729 mtctr r0
730 bctrl
731 lwz r2,XLM_TOC // Get TOC
732 stw r3,56+8(r1) // Save handle
733
734 // Call CheckLoad
735 lwz r3,56(r1)
736 lwz r4,56+4(r1)
737 lwz r5,56+8(r1)
738 bl check_load_invoc
739 lwz r3,56+8(r1) // Restore handle
740
741 // Return to caller
742 lwz r0,56+12+8(r1)
743 mtlr r0
744 addi r1,r1,56+12
745 blr
746 }
747 #else
748 // Routines in asm_linux.S
749 extern "C" void get_resource(void);
750 extern "C" void get_1_resource(void);
751 extern "C" void get_ind_resource(void);
752 extern "C" void get_1_ind_resource(void);
753 extern "C" void r_get_resource(void);
754 #endif
755
756 void PatchNativeResourceManager(void)
757 {
758 D(bug("PatchNativeResourceManager\n"));
759
760 // Patch native GetResource()
761 uint32 upp = ReadMacInt32(0x1480);
762 if ((upp & 0xffc00000) == ROM_BASE)
763 return;
764 uint32 tvec = ReadMacInt32(upp + 5 * 4);
765 D(bug(" GetResource() entry %08x, TOC %08x\n", ReadMacInt32(tvec), ReadMacInt32(tvec + 4)));
766 WriteMacInt32(XLM_RES_LIB_TOC, ReadMacInt32(tvec + 4));
767 WriteMacInt32(XLM_GET_RESOURCE, ReadMacInt32(tvec));
768 #if EMULATED_PPC
769 WriteMacInt32(tvec, NativeFunction(NATIVE_GET_RESOURCE));
770 #else
771 #ifdef __BEOS__
772 uint32 *tvec2 = (uint32 *)get_resource;
773 WriteMacInt32(tvec, tvec2[0]);
774 WriteMacInt32(tvec + 4, tvec2[1]);
775 #else
776 WriteMacInt32(tvec, (uint32)get_resource);
777 #endif
778 #endif
779
780 // Patch native Get1Resource()
781 upp = ReadMacInt32(0x0e7c);
782 tvec = ReadMacInt32(upp + 5 * 4);
783 D(bug(" Get1Resource() entry %08x, TOC %08x\n", ReadMacInt32(tvec), ReadMacInt32(tvec + 4)));
784 WriteMacInt32(XLM_GET_1_RESOURCE, ReadMacInt32(tvec));
785 #if EMULATED_PPC
786 WriteMacInt32(tvec, NativeFunction(NATIVE_GET_1_RESOURCE));
787 #else
788 #ifdef __BEOS__
789 tvec2 = (uint32 *)get_1_resource;
790 WriteMacInt32(tvec, tvec2[0]);
791 WriteMacInt32(tvec + 4, tvec2[1]);
792 #else
793 WriteMacInt32(tvec, (uint32)get_1_resource);
794 #endif
795 #endif
796
797 // Patch native GetIndResource()
798 upp = ReadMacInt32(0x1474);
799 tvec = ReadMacInt32(upp + 5 * 4);
800 D(bug(" GetIndResource() entry %08x, TOC %08x\n", ReadMacInt32(tvec), ReadMacInt32(tvec + 4)));
801 WriteMacInt32(XLM_GET_IND_RESOURCE, ReadMacInt32(tvec));
802 #if EMULATED_PPC
803 WriteMacInt32(tvec, NativeFunction(NATIVE_GET_IND_RESOURCE));
804 #else
805 #ifdef __BEOS__
806 tvec2 = (uint32 *)get_ind_resource;
807 WriteMacInt32(tvec, tvec2[0]);
808 WriteMacInt32(tvec + 4, tvec2[1]);
809 #else
810 WriteMacInt32(tvec, (uint32)get_ind_resource);
811 #endif
812 #endif
813
814 // Patch native Get1IndResource()
815 upp = ReadMacInt32(0x0e38);
816 tvec = ReadMacInt32(upp + 5 * 4);
817 D(bug(" Get1IndResource() entry %08x, TOC %08x\n", ReadMacInt32(tvec), ReadMacInt32(tvec + 4)));
818 WriteMacInt32(XLM_GET_1_IND_RESOURCE, ReadMacInt32(tvec));
819 #if EMULATED_PPC
820 WriteMacInt32(tvec, NativeFunction(NATIVE_GET_1_IND_RESOURCE));
821 #else
822 #ifdef __BEOS__
823 tvec2 = (uint32 *)get_1_ind_resource;
824 WriteMacInt32(tvec, tvec2[0]);
825 WriteMacInt32(tvec + 4, tvec2[1]);
826 #else
827 WriteMacInt32(tvec, (uint32)get_1_ind_resource);
828 #endif
829 #endif
830
831 // Patch native RGetResource()
832 upp = ReadMacInt32(0x0e30);
833 tvec = ReadMacInt32(upp + 5 * 4);
834 D(bug(" RGetResource() entry %08x, TOC %08x\n", ReadMacInt32(tvec), ReadMacInt32(tvec + 4)));
835 WriteMacInt32(XLM_R_GET_RESOURCE, ReadMacInt32(tvec));
836 #if EMULATED_PPC
837 WriteMacInt32(tvec, NativeFunction(NATIVE_R_GET_RESOURCE));
838 #else
839 #ifdef __BEOS__
840 tvec2 = (uint32 *)r_get_resource;
841 WriteMacInt32(tvec, tvec2[0]);
842 WriteMacInt32(tvec + 4, tvec2[1]);
843 #else
844 WriteMacInt32(tvec, (uint32)r_get_resource);
845 #endif
846 #endif
847 }