| 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 |
void CheckLoad(uint32 type, int16 id, uint16 *p, uint32 size) |
| 109 |
{ |
| 110 |
uint16 *p16; |
| 111 |
uint32 base; |
| 112 |
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)); |
| 113 |
|
| 114 |
// Don't modify resources in ROM |
| 115 |
if ((uint32)p >= ROM_BASE && (uint32)p <= (ROM_BASE + ROM_SIZE)) |
| 116 |
return; |
| 117 |
|
| 118 |
if (type == FOURCC('b','o','o','t') && id == 3) { |
| 119 |
D(bug("boot 3 found\n")); |
| 120 |
size >>= 1; |
| 121 |
while (size--) { |
| 122 |
if (p[0] == 0x2e49) { |
| 123 |
// 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) |
| 124 |
p[0] = M68K_EMUL_OP_FIX_BOOTSTACK; |
| 125 |
D(bug(" patch 1 applied\n")); |
| 126 |
} else if (p[0] == 0x4267 && p[1] == 0x3f01 && p[2] == 0x3f2a && p[3] == 0x0006 && p[4] == 0x6100) { |
| 127 |
// Check when ntrb 17 is installed (for native Resource Manager patch) (7.5.3, 7.5.5) |
| 128 |
p[7] = M68K_EMUL_OP_NTRB_17_PATCH3; |
| 129 |
D(bug(" patch 2 applied\n")); |
| 130 |
} else if (p[0] == 0x3f2a && p[1] == 0x0006 && p[2] == 0x3f2a && p[3] == 0x0002 && p[4] == 0x6100) { |
| 131 |
// Check when ntrb 17 is installed (for native Resource Manager patch) (7.6, 7.6.1, 8.0, 8.1) |
| 132 |
p[7] = M68K_EMUL_OP_NTRB_17_PATCH; |
| 133 |
D(bug(" patch 3 applied\n")); |
| 134 |
} else if (p[0] == 0x3f2a && p[1] == 0x0006 && p[2] == 0x3f2a && p[3] == 0x0002 && p[4] == 0x61ff) { |
| 135 |
// Check when ntrb 17 is installed (for native Resource Manager patch) (8.5, 8.6) |
| 136 |
p[8] = M68K_EMUL_OP_NTRB_17_PATCH; |
| 137 |
D(bug(" patch 4 applied\n")); |
| 138 |
} else if (p[0] == 0x0c39 && p[1] == 0x0001 && p[2] == 0xf800 && p[3] == 0x0008 && p[4] == 0x6f00) { |
| 139 |
// Don't read from 0xf8000008 (8.5 with Zanzibar ROM, 8.6) |
| 140 |
p[0] = M68K_NOP; |
| 141 |
p[1] = M68K_NOP; |
| 142 |
p[2] = M68K_NOP; |
| 143 |
p[3] = M68K_NOP; |
| 144 |
p[4] = 0x6000; // bra |
| 145 |
D(bug(" patch 5 applied\n")); |
| 146 |
} else if (p[0] == 0x2f3c && p[1] == 0x6b72 && p[2] == 0x6e6c && p[3] == 0x4267 && p[4] == 0xa9a0 && p[5] == 0x265f && p[6] == 0x200b && p[7] == 0x6700) { |
| 147 |
// Don't replace nanokernel ("krnl" resource) (8.6) |
| 148 |
p[0] = M68K_NOP; |
| 149 |
p[1] = M68K_NOP; |
| 150 |
p[2] = M68K_NOP; |
| 151 |
p[3] = M68K_NOP; |
| 152 |
p[4] = M68K_NOP; |
| 153 |
p[7] = 0x6000; // bra |
| 154 |
D(bug(" patch 6 applied\n")); |
| 155 |
} else if (p[0] == 0xa8fe && p[1] == 0x3038 && p[2] == 0x017a && p[3] == 0x0c40 && p[4] == 0x8805 && p[5] == 0x6710) { |
| 156 |
// No SCSI (calls via 0x205c jump vector which is not initialized in NewWorld ROM 1.6) (8.6) |
| 157 |
if (ROMType == ROMTYPE_NEWWORLD) { |
| 158 |
p[5] = 0x6010; // bra |
| 159 |
D(bug(" patch 7 applied\n")); |
| 160 |
} |
| 161 |
} |
| 162 |
p++; |
| 163 |
} |
| 164 |
|
| 165 |
} else if (type == FOURCC('g','n','l','d') && id == 0) { |
| 166 |
D(bug("gnld 0 found\n")); |
| 167 |
|
| 168 |
// Patch native Resource Manager after ntrbs are installed (7.5.2) |
| 169 |
static const uint8 dat[] = {0x4e, 0xba, 0x00, 0x9e, 0x3e, 0x00, 0x50, 0x4f, 0x67, 0x04}; |
| 170 |
base = find_rsrc_data((uint8 *)p, size, dat, sizeof(dat)); |
| 171 |
if (base) { |
| 172 |
p16 = (uint16 *)((uint32)p + base + 6); |
| 173 |
*p16 = htons(M68K_EMUL_OP_NTRB_17_PATCH2); |
| 174 |
D(bug(" patch 1 applied\n")); |
| 175 |
} |
| 176 |
|
| 177 |
} else if (type == FOURCC('p','t','c','h') && id == 420) { |
| 178 |
D(bug("ptch 420 found\n")); |
| 179 |
size >>= 1; |
| 180 |
while (size--) { |
| 181 |
if (p[0] == 0xa030 && p[1] == 0x5240 && p[2] == 0x303c && p[3] == 0x0100 && p[4] == 0xc06e && p[5] == 0xfef6) { |
| 182 |
// Disable VM (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1) |
| 183 |
p[1] = M68K_NOP; |
| 184 |
p[2] = M68K_NOP; |
| 185 |
p[3] = M68K_NOP; |
| 186 |
p[4] = M68K_NOP; |
| 187 |
p[5] = M68K_NOP; |
| 188 |
p[6] = M68K_NOP; |
| 189 |
p[7] = M68K_NOP; |
| 190 |
p[8] = M68K_NOP; |
| 191 |
p[9] = M68K_NOP; |
| 192 |
p[10] = M68K_NOP; |
| 193 |
p[11] = M68K_NOP; |
| 194 |
D(bug(" patch 1 applied\n")); |
| 195 |
break; |
| 196 |
} else if (p[0] == 0xa030 && p[1] == 0x5240 && p[2] == 0x7000 && p[3] == 0x302e && p[4] == 0xfef6 && p[5] == 0x323c && p[6] == 0x0100) { |
| 197 |
// Disable VM (8.0, 8.1) |
| 198 |
p[8] = M68K_NOP; |
| 199 |
p[15] = M68K_NOP; |
| 200 |
D(bug(" patch 2 applied\n")); |
| 201 |
break; |
| 202 |
} else if (p[0] == 0xa030 && p[1] == 0x5240 && p[2] == 0x7000 && p[3] == 0x302e && p[4] == 0xfecc && p[5] == 0x323c && p[6] == 0x0100) { |
| 203 |
// Disable VM (8.5, 8.6) |
| 204 |
p[8] = M68K_NOP; |
| 205 |
p[15] = M68K_NOP; |
| 206 |
D(bug(" patch 3 applied\n")); |
| 207 |
break; |
| 208 |
} |
| 209 |
p++; |
| 210 |
} |
| 211 |
|
| 212 |
} else if (type == FOURCC('g','p','c','h') && id == 16) { |
| 213 |
D(bug("gpch 16 found\n")); |
| 214 |
size >>= 1; |
| 215 |
while (size--) { |
| 216 |
if (p[0] == 0x6700 && p[13] == 0x7013 && p[14] == 0xfe0a) { |
| 217 |
// Don't call FE0A in Shutdown Manager (7.6.1, 8.0, 8.1, 8.5) |
| 218 |
p[0] = 0x6000; |
| 219 |
D(bug(" patch 1 applied\n")); |
| 220 |
break; |
| 221 |
} |
| 222 |
p++; |
| 223 |
} |
| 224 |
|
| 225 |
} else if (type == FOURCC('g','p','c','h') && id == 650) { |
| 226 |
D(bug("gpch 650 found\n")); |
| 227 |
size >>= 1; |
| 228 |
while (size--) { |
| 229 |
if (p[0] == 0x6600 && p[1] == 0x001a && p[2] == 0x2278 && p[3] == 0x0134) { |
| 230 |
// We don't have SonyVars (7.5.2) |
| 231 |
p[0] = 0x6000; |
| 232 |
D(bug(" patch 1 applied\n")); |
| 233 |
} else if (p[0] == 0x6618 && p[1] == 0x2278 && p[2] == 0x0134) { |
| 234 |
// We don't have SonyVars (7.5.3) |
| 235 |
p[-6] = M68K_NOP; |
| 236 |
p[-3] = M68K_NOP; |
| 237 |
p[0] = 0x6018; |
| 238 |
D(bug(" patch 2 applied\n")); |
| 239 |
} else if (p[0] == 0x666e && p[1] == 0x2278 && p[2] == 0x0134) { |
| 240 |
// We don't have SonyVars (7.5.5) |
| 241 |
p[-6] = M68K_NOP; |
| 242 |
p[-3] = M68K_NOP; |
| 243 |
p[0] = 0x606e; |
| 244 |
D(bug(" patch 3 applied\n")); |
| 245 |
} else if (p[0] == 0x6400 && p[1] == 0x011c && p[2] == 0x2278 && p[3] == 0x0134) { |
| 246 |
// We don't have SonyVars (7.6.1, 8.0, 8.1, 8.5, 8.6) |
| 247 |
p[0] = 0x6000; |
| 248 |
D(bug(" patch 4 applied\n")); |
| 249 |
} else if (p[0] == 0x6400 && p[1] == 0x00e6 && p[2] == 0x2278 && p[3] == 0x0134) { |
| 250 |
// We don't have SonyVars (7.6) |
| 251 |
p[0] = 0x6000; |
| 252 |
D(bug(" patch 5 applied\n")); |
| 253 |
} |
| 254 |
p++; |
| 255 |
} |
| 256 |
|
| 257 |
} else if (type == FOURCC('g','p','c','h') && id == 655) { |
| 258 |
D(bug("gpch 655 found\n")); |
| 259 |
size >>= 1; |
| 260 |
while (size--) { |
| 261 |
if (p[0] == 0x83a8 && p[1] == 0x0024 && p[2] == 0x4e71) { |
| 262 |
// Don't write to GC interrupt mask (7.6, 7.6.1, 8.0, 8.1 with Zanzibar ROM) |
| 263 |
p[0] = M68K_NOP; |
| 264 |
p[1] = M68K_NOP; |
| 265 |
D(bug(" patch 1 applied\n")); |
| 266 |
} else if (p[0] == 0x207c && p[1] == 0xf300 && p[2] == 0x0034) { |
| 267 |
// Don't read PowerMac ID (7.6, 7.6.1, 8.0, 8.1 with Zanzibar ROM) |
| 268 |
p[0] = 0x303c; // move.w #id,d0 |
| 269 |
p[1] = 0x3020; |
| 270 |
p[2] = M68K_RTS; |
| 271 |
D(bug(" patch 2 applied\n")); |
| 272 |
} else if (p[0] == 0x13fc && p[1] == 0x0081 && p[2] == 0xf130 && p[3] == 0xa030) { |
| 273 |
// Don't write to hardware (7.6, 7.6.1, 8.0, 8.1 with Zanzibar ROM) |
| 274 |
p[0] = M68K_NOP; |
| 275 |
p[1] = M68K_NOP; |
| 276 |
p[2] = M68K_NOP; |
| 277 |
p[3] = M68K_NOP; |
| 278 |
D(bug(" patch 3 applied\n")); |
| 279 |
} else if (p[0] == 0x4e56 && p[1] == 0x0000 && p[2] == 0x227c && p[3] == 0xf800 && p[4] == 0x0000) { |
| 280 |
// OpenFirmare? (7.6.1, 8.0, 8.1 with Zanzibar ROM) |
| 281 |
p[0] = M68K_RTS; |
| 282 |
D(bug(" patch 4 applied\n")); |
| 283 |
} else if (p[0] == 0x4e56 && p[1] == 0xfffc && p[2] == 0x48e7 && p[3] == 0x0300 && p[4] == 0x598f && p[5] == 0x2eb8 && p[6] == 0x01dc) { |
| 284 |
// Don't write to SCC (7.6.1, 8.0, 8.1 with Zanzibar ROM) |
| 285 |
p[0] = M68K_RTS; |
| 286 |
D(bug(" patch 5 applied\n")); |
| 287 |
} else if (p[0] == 0x4e56 && p[1] == 0x0000 && p[2] == 0x227c && p[3] == 0xf300 && p[4] == 0x0034) { |
| 288 |
// Don't write to GC (7.6.1, 8.0, 8.1 with Zanzibar ROM) |
| 289 |
p[0] = M68K_RTS; |
| 290 |
D(bug(" patch 6 applied\n")); |
| 291 |
} else if (p[0] == 0x40e7 && p[1] == 0x007c && p[2] == 0x0700 && p[3] == 0x48e7 && p[4] == 0x00c0 && p[5] == 0x2078 && p[6] == 0x0dd8 && p[7] == 0xd1e8 && p[8] == 0x0044 && p[9] == 0x8005 && p[11] == 0x93c8 && p[12] == 0x2149 && p[13] == 0x0024) { |
| 292 |
// Don't replace NVRAM routines (7.6, 7.6.1, 8.0, 8.1 with Zanzibar ROM) |
| 293 |
p[0] = M68K_RTS; |
| 294 |
D(bug(" patch 7 applied\n")); |
| 295 |
} else if (p[0] == 0x207c && p[1] == 0x50f1 && p[2] == 0xa101 && (p[3] == 0x08d0 || p[3] == 0x0890)) { |
| 296 |
// Don't write to 0x50f1a101 (8.1 with Zanzibar ROM) |
| 297 |
p[3] = M68K_NOP; |
| 298 |
p[4] = M68K_NOP; |
| 299 |
D(bug(" patch 8 applied\n")); |
| 300 |
} |
| 301 |
p++; |
| 302 |
} |
| 303 |
|
| 304 |
} else if (type == FOURCC('g','p','c','h') && id == 750) { |
| 305 |
D(bug("gpch 750 found\n")); |
| 306 |
size >>= 1; |
| 307 |
while (size--) { |
| 308 |
if (p[0] == 0xf301 && p[1] == 0x9100 && p[2] == 0x0c11 && p[3] == 0x0044) { |
| 309 |
// Don't read from 0xf3019100 (MACE ENET) (7.6, 7.6.1, 8.0, 8.1) |
| 310 |
p[2] = M68K_NOP; |
| 311 |
p[3] = M68K_NOP; |
| 312 |
p[4] = 0x6026; |
| 313 |
D(bug(" patch 1 applied\n")); |
| 314 |
} else if (p[0] == 0x41e8 && p[1] == 0x0374 && p[2] == 0xfc1e) { |
| 315 |
// Don't call FC1E opcode (7.6, 7.6.1, 8.0, 8.1, 8.5, 8.6) |
| 316 |
p[2] = M68K_NOP; |
| 317 |
D(bug(" patch 2 applied\n")); |
| 318 |
} else if (p[0] == 0x700a && p[1] == 0xfe0a) { |
| 319 |
// Don't call FE0A opcode (7.6, 7.6.1, 8.0, 8.1, 8.5, 8.6) |
| 320 |
p[1] = 0x7000; |
| 321 |
D(bug(" patch 3 applied\n")); |
| 322 |
} |
| 323 |
p++; |
| 324 |
} |
| 325 |
|
| 326 |
} else if (type == FOURCC('g','p','c','h') && id == 999) { |
| 327 |
D(bug("gpch 999 found\n")); |
| 328 |
size >>= 1; |
| 329 |
while (size--) { |
| 330 |
if (p[0] == 0xf301 && p[1] == 0x9100 && p[2] == 0x0c11 && p[3] == 0x0044) { |
| 331 |
// Don't read from 0xf3019100 (MACE ENET) (8.5, 8.6) |
| 332 |
p[2] = M68K_NOP; |
| 333 |
p[3] = M68K_NOP; |
| 334 |
p[4] = 0x6026; |
| 335 |
D(bug(" patch 1 applied\n")); |
| 336 |
} |
| 337 |
p++; |
| 338 |
} |
| 339 |
|
| 340 |
} else if (type == FOURCC('g','p','c','h') && id == 3000) { |
| 341 |
D(bug("gpch 3000 found\n")); |
| 342 |
size >>= 1; |
| 343 |
while (size--) { |
| 344 |
if (p[0] == 0xf301 && p[1] == 0x9100 && p[2] == 0x0c11 && p[3] == 0x0044) { |
| 345 |
// Don't read from 0xf3019100 (MACE ENET) (8.1 with NewWorld ROM) |
| 346 |
p[2] = M68K_NOP; |
| 347 |
p[3] = M68K_NOP; |
| 348 |
p[4] = 0x6026; |
| 349 |
D(bug(" patch 1 applied\n")); |
| 350 |
} |
| 351 |
p++; |
| 352 |
} |
| 353 |
|
| 354 |
} else if (type == FOURCC('l','t','l','k') && id == 0) { |
| 355 |
D(bug("ltlk 0 found\n")); |
| 356 |
#if 1 |
| 357 |
size >>= 1; |
| 358 |
while (size--) { |
| 359 |
if (p[0] == 0xc2fc && p[1] == 0x0fa0 && p[2] == 0x82c5) { |
| 360 |
// 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) |
| 361 |
p[2] = 0x7200; |
| 362 |
WriteMacInt32(0x1d8, 0x2c00); |
| 363 |
WriteMacInt32(0x1dc, 0x2c00); |
| 364 |
D(bug(" patch 1 applied\n")); |
| 365 |
} else if (p[0] == 0x1418 && p[1] == 0x84c1) { |
| 366 |
// Prevent division by 0 (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1) |
| 367 |
p[1] = 0x7400; |
| 368 |
D(bug(" patch 2 applied\n")); |
| 369 |
} else if (p[0] == 0x2678 && p[1] == 0x01dc && p[2] == 0x3018 && p[3] == 0x6708 && p[4] == 0x1680 && p[5] == 0xe058 && p[6] == 0x1680) { |
| 370 |
// Don't write to SCC (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1) |
| 371 |
p[4] = M68K_NOP; |
| 372 |
p[6] = M68K_NOP; |
| 373 |
D(bug(" patch 3 applied\n")); |
| 374 |
} else if (p[0] == 0x2278 && p[1] == 0x01dc && p[2] == 0x12bc && p[3] == 0x0006 && p[4] == 0x4e71 && p[5] == 0x1292) { |
| 375 |
// Don't write to SCC (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1) |
| 376 |
p[2] = M68K_NOP; |
| 377 |
p[3] = M68K_NOP; |
| 378 |
p[5] = M68K_NOP; |
| 379 |
D(bug(" patch 4 applied\n")); |
| 380 |
} else if (p[0] == 0x2278 && p[1] == 0x01dc && p[2] == 0x12bc && p[3] == 0x0003 && p[4] == 0x4e71 && p[5] == 0x1281) { |
| 381 |
// Don't write to SCC (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1) |
| 382 |
p[2] = M68K_NOP; |
| 383 |
p[3] = M68K_NOP; |
| 384 |
p[5] = M68K_NOP; |
| 385 |
D(bug(" patch 5 applied\n")); |
| 386 |
} else if (p[0] == 0x0811 && p[1] == 0x0000 && p[2] == 0x51c8 && p[3] == 0xfffa) { |
| 387 |
// Don't test SCC (7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1) |
| 388 |
p[0] = M68K_NOP; |
| 389 |
p[1] = M68K_NOP; |
| 390 |
D(bug(" patch 6 applied\n")); |
| 391 |
} else if (p[0] == 0x4a2a && p[1] == 0x063e && p[2] == 0x66fa) { |
| 392 |
// Don't wait for SCC (7.5.2, 7.5.3, 7.5.5) |
| 393 |
p[2] = M68K_NOP; |
| 394 |
D(bug(" patch 7 applied\n")); |
| 395 |
} else if (p[0] == 0x4a2a && p[1] == 0x03a6 && p[2] == 0x66fa) { |
| 396 |
// Don't wait for SCC (7.6, 7.6.1, 8.0, 8.1) |
| 397 |
p[2] = M68K_NOP; |
| 398 |
D(bug(" patch 8 applied\n")); |
| 399 |
} |
| 400 |
p++; |
| 401 |
} |
| 402 |
#else |
| 403 |
// Disable LocalTalk |
| 404 |
p[0] = M68K_JMP_A0; |
| 405 |
p[1] = 0x7000; // moveq #0,d0 |
| 406 |
p[2] = M68K_RTS; |
| 407 |
D(bug(" patch 1 applied\n")); |
| 408 |
#endif |
| 409 |
|
| 410 |
} else if (type == FOURCC('n','s','r','d') && id == 1) { |
| 411 |
D(bug("nsrd 1 found\n")); |
| 412 |
if (p[(0x378 + 0x570) >> 1] == 0x7c08 && p[(0x37a + 0x570) >> 1] == 0x02a6) { |
| 413 |
// Don't overwrite our serial drivers (8.0, 8.1) |
| 414 |
p[(0x378 + 0x570) >> 1] = 0x4e80; // blr |
| 415 |
p[(0x37a + 0x570) >> 1] = 0x0020; |
| 416 |
D(bug(" patch 1 applied\n")); |
| 417 |
} else if (p[(0x378 + 0x6c0) >> 1] == 0x7c08 && p[(0x37a + 0x6c0) >> 1] == 0x02a6) { |
| 418 |
// Don't overwrite our serial drivers (8.5, 8.6) |
| 419 |
p[(0x378 + 0x6c0) >> 1] = 0x4e80; // blr |
| 420 |
p[(0x37a + 0x6c0) >> 1] = 0x0020; |
| 421 |
D(bug(" patch 2 applied\n")); |
| 422 |
} |
| 423 |
|
| 424 |
} else if (type == FOURCC('c','i','t','t') && id == 45) { |
| 425 |
D(bug("citt 45 found\n")); |
| 426 |
size >>= 1; |
| 427 |
while (size--) { |
| 428 |
if (p[0] == 0x203c && p[1] == 0x0100 && p[2] == 0x0000 && p[3] == 0xc0ae && p[4] == 0xfffc) { |
| 429 |
// Don't replace SCSI Manager (8.1, 8.5, 8.6) |
| 430 |
p[5] = (p[5] & 0xff) | 0x6000; // beq |
| 431 |
D(bug(" patch 1 applied\n")); |
| 432 |
break; |
| 433 |
} |
| 434 |
p++; |
| 435 |
} |
| 436 |
|
| 437 |
} else if (type == FOURCC('t','h','n','g')) { |
| 438 |
// Collect info about used audio sifters |
| 439 |
uint32 c_type = 0[(uint32 *)p]; |
| 440 |
uint32 sub_type = 1[(uint32 *)p]; |
| 441 |
if (c_type == FOURCC('s','d','e','v') && sub_type == FOURCC('s','i','n','g')) { |
| 442 |
1[(uint32 *)p] = FOURCC('a','w','g','c'); |
| 443 |
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)); |
| 444 |
AddSifter(*(uint32 *)(((uint32)p)+20), p[12]); |
| 445 |
if (p[28]) // componentPFCount |
| 446 |
AddSifter(*(uint32 *)(((uint32)p)+62), p[33]); |
| 447 |
} |
| 448 |
|
| 449 |
} else if (type == FOURCC('s','i','f','t') || type == FOURCC('n','i','f','t')) { |
| 450 |
// Patch audio sifters |
| 451 |
if (FindSifter(type, id)) { |
| 452 |
D(bug("sifter found\n")); |
| 453 |
p[0] = 0x4e56; p[1] = 0x0000; // link a6,#0 |
| 454 |
p[2] = 0x48e7; p[3] = 0x8018; // movem.l d0/a3-a4,-(a7) |
| 455 |
p[4] = 0x266e; p[5] = 0x000c; // movea.l $c(a6),a3 |
| 456 |
p[6] = 0x286e; p[7] = 0x0008; // movea.l $8(a6),a4 |
| 457 |
p[8] = M68K_EMUL_OP_AUDIO_DISPATCH; |
| 458 |
p[9] = 0x2d40; p[10] = 0x0010; // move.l d0,$10(a6) |
| 459 |
p[11] = 0x4cdf; p[12] = 0x1801; // movem.l (a7)+,d0/a3-a4 |
| 460 |
p[13] = 0x4e5e; // unlk a6 |
| 461 |
p[14] = 0x4e74; p[15] = 0x0008; // rtd #8 |
| 462 |
D(bug(" patch applied\n")); |
| 463 |
} |
| 464 |
|
| 465 |
} else if (type == FOURCC('D','R','V','R') && (id == -16501 || id == -16500)) { |
| 466 |
D(bug("DRVR -16501/-16500 found\n")); |
| 467 |
// Install sound input driver |
| 468 |
memcpy(p, sound_input_driver, sizeof(sound_input_driver)); |
| 469 |
D(bug(" patch 1 applied\n")); |
| 470 |
|
| 471 |
} else if (type == FOURCC('I','N','I','T') && id == 1 && size == (2416 >> 1)) { |
| 472 |
D(bug("INIT 1 (size 2416) found\n")); |
| 473 |
size >>= 1; |
| 474 |
while (size--) { |
| 475 |
if (p[0] == 0x247c && p[1] == 0xf301 && p[2] == 0x9000) { |
| 476 |
// Prevent "MacOS Licensing Extension" from accessing hardware (7.6) |
| 477 |
p[22] = 0x6028; |
| 478 |
D(bug(" patch 1 applied\n")); |
| 479 |
break; |
| 480 |
} |
| 481 |
p++; |
| 482 |
} |
| 483 |
} |
| 484 |
} |
| 485 |
|
| 486 |
|
| 487 |
/* |
| 488 |
* Native Resource Manager patches |
| 489 |
*/ |
| 490 |
|
| 491 |
#ifdef __BEOS__ |
| 492 |
static |
| 493 |
#else |
| 494 |
extern "C" |
| 495 |
#endif |
| 496 |
void check_load_invoc(uint32 type, int16 id, uint16 **h) |
| 497 |
{ |
| 498 |
if (h == NULL) |
| 499 |
return; |
| 500 |
uint16 *p = *h; |
| 501 |
if (p == NULL) |
| 502 |
return; |
| 503 |
uint32 size = ((uint32 *)p)[-2] & 0xffffff; |
| 504 |
|
| 505 |
CheckLoad(type, id, p, size); |
| 506 |
} |
| 507 |
|
| 508 |
#ifdef __BEOS__ |
| 509 |
static asm void **get_resource(register uint32 type, register int16 id) |
| 510 |
{ |
| 511 |
// Create stack frame |
| 512 |
mflr r0 |
| 513 |
stw r0,8(r1) |
| 514 |
stwu r1,-(56+12)(r1) |
| 515 |
|
| 516 |
// Save type/ID |
| 517 |
stw r3,56(r1) |
| 518 |
stw r4,56+4(r1) |
| 519 |
|
| 520 |
// Call old routine |
| 521 |
lwz r0,XLM_GET_RESOURCE |
| 522 |
lwz r2,XLM_RES_LIB_TOC |
| 523 |
mtctr r0 |
| 524 |
bctrl |
| 525 |
lwz r2,XLM_TOC // Get TOC |
| 526 |
stw r3,56+8(r1) // Save handle |
| 527 |
|
| 528 |
// Call CheckLoad |
| 529 |
lwz r3,56(r1) |
| 530 |
lwz r4,56+4(r1) |
| 531 |
lwz r5,56+8(r1) |
| 532 |
bl check_load_invoc |
| 533 |
lwz r3,56+8(r1) // Restore handle |
| 534 |
|
| 535 |
// Return to caller |
| 536 |
lwz r0,56+12+8(r1) |
| 537 |
mtlr r0 |
| 538 |
addi r1,r1,56+12 |
| 539 |
blr |
| 540 |
} |
| 541 |
|
| 542 |
static asm void **get_1_resource(register uint32 type, register int16 id) |
| 543 |
{ |
| 544 |
// Create stack frame |
| 545 |
mflr r0 |
| 546 |
stw r0,8(r1) |
| 547 |
stwu r1,-(56+12)(r1) |
| 548 |
|
| 549 |
// Save type/ID |
| 550 |
stw r3,56(r1) |
| 551 |
stw r4,56+4(r1) |
| 552 |
|
| 553 |
// Call old routine |
| 554 |
lwz r0,XLM_GET_1_RESOURCE |
| 555 |
lwz r2,XLM_RES_LIB_TOC |
| 556 |
mtctr r0 |
| 557 |
bctrl |
| 558 |
lwz r2,XLM_TOC // Get TOC |
| 559 |
stw r3,56+8(r1) // Save handle |
| 560 |
|
| 561 |
// Call CheckLoad |
| 562 |
lwz r3,56(r1) |
| 563 |
lwz r4,56+4(r1) |
| 564 |
lwz r5,56+8(r1) |
| 565 |
bl check_load_invoc |
| 566 |
lwz r3,56+8(r1) // Restore handle |
| 567 |
|
| 568 |
// Return to caller |
| 569 |
lwz r0,56+12+8(r1) |
| 570 |
mtlr r0 |
| 571 |
addi r1,r1,56+12 |
| 572 |
blr |
| 573 |
} |
| 574 |
|
| 575 |
static asm void **get_ind_resource(register uint32 type, register int16 index) |
| 576 |
{ |
| 577 |
// Create stack frame |
| 578 |
mflr r0 |
| 579 |
stw r0,8(r1) |
| 580 |
stwu r1,-(56+12)(r1) |
| 581 |
|
| 582 |
// Save type/index |
| 583 |
stw r3,56(r1) |
| 584 |
stw r4,56+4(r1) |
| 585 |
|
| 586 |
// Call old routine |
| 587 |
lwz r0,XLM_GET_IND_RESOURCE |
| 588 |
lwz r2,XLM_RES_LIB_TOC |
| 589 |
mtctr r0 |
| 590 |
bctrl |
| 591 |
lwz r2,XLM_TOC // Get TOC |
| 592 |
stw r3,56+8(r1) // Save handle |
| 593 |
|
| 594 |
// Call CheckLoad |
| 595 |
lwz r3,56(r1) |
| 596 |
lwz r4,56+4(r1) |
| 597 |
lwz r5,56+8(r1) |
| 598 |
bl check_load_invoc |
| 599 |
lwz r3,56+8(r1) // Restore handle |
| 600 |
|
| 601 |
// Return to caller |
| 602 |
lwz r0,56+12+8(r1) |
| 603 |
mtlr r0 |
| 604 |
addi r1,r1,56+12 |
| 605 |
blr |
| 606 |
} |
| 607 |
|
| 608 |
static asm void **get_1_ind_resource(register uint32 type, register int16 index) |
| 609 |
{ |
| 610 |
// Create stack frame |
| 611 |
mflr r0 |
| 612 |
stw r0,8(r1) |
| 613 |
stwu r1,-(56+12)(r1) |
| 614 |
|
| 615 |
// Save type/index |
| 616 |
stw r3,56(r1) |
| 617 |
stw r4,56+4(r1) |
| 618 |
|
| 619 |
// Call old routine |
| 620 |
lwz r0,XLM_GET_1_IND_RESOURCE |
| 621 |
lwz r2,XLM_RES_LIB_TOC |
| 622 |
mtctr r0 |
| 623 |
bctrl |
| 624 |
lwz r2,XLM_TOC // Get TOC |
| 625 |
stw r3,56+8(r1) // Save handle |
| 626 |
|
| 627 |
// Call CheckLoad |
| 628 |
lwz r3,56(r1) |
| 629 |
lwz r4,56+4(r1) |
| 630 |
lwz r5,56+8(r1) |
| 631 |
bl check_load_invoc |
| 632 |
lwz r3,56+8(r1) // Restore handle |
| 633 |
|
| 634 |
// Return to caller |
| 635 |
lwz r0,56+12+8(r1) |
| 636 |
mtlr r0 |
| 637 |
addi r1,r1,56+12 |
| 638 |
blr |
| 639 |
} |
| 640 |
|
| 641 |
static asm void **r_get_resource(register uint32 type, register int16 id) |
| 642 |
{ |
| 643 |
// Create stack frame |
| 644 |
mflr r0 |
| 645 |
stw r0,8(r1) |
| 646 |
stwu r1,-(56+12)(r1) |
| 647 |
|
| 648 |
// Save type/ID |
| 649 |
stw r3,56(r1) |
| 650 |
stw r4,56+4(r1) |
| 651 |
|
| 652 |
// Call old routine |
| 653 |
lwz r0,XLM_R_GET_RESOURCE |
| 654 |
lwz r2,XLM_RES_LIB_TOC |
| 655 |
mtctr r0 |
| 656 |
bctrl |
| 657 |
lwz r2,XLM_TOC // Get TOC |
| 658 |
stw r3,56+8(r1) // Save handle |
| 659 |
|
| 660 |
// Call CheckLoad |
| 661 |
lwz r3,56(r1) |
| 662 |
lwz r4,56+4(r1) |
| 663 |
lwz r5,56+8(r1) |
| 664 |
bl check_load_invoc |
| 665 |
lwz r3,56+8(r1) // Restore handle |
| 666 |
|
| 667 |
// Return to caller |
| 668 |
lwz r0,56+12+8(r1) |
| 669 |
mtlr r0 |
| 670 |
addi r1,r1,56+12 |
| 671 |
blr |
| 672 |
} |
| 673 |
#else |
| 674 |
// Routines in asm_linux.S |
| 675 |
extern "C" void get_resource(void); |
| 676 |
extern "C" void get_1_resource(void); |
| 677 |
extern "C" void get_ind_resource(void); |
| 678 |
extern "C" void get_1_ind_resource(void); |
| 679 |
extern "C" void r_get_resource(void); |
| 680 |
#endif |
| 681 |
|
| 682 |
void PatchNativeResourceManager(void) |
| 683 |
{ |
| 684 |
D(bug("PatchNativeResourceManager\n")); |
| 685 |
|
| 686 |
// Patch native GetResource() |
| 687 |
uint32 **upp = *(uint32 ***)0x1480; |
| 688 |
if (((uint32)upp & 0xffc00000) == ROM_BASE) |
| 689 |
return; |
| 690 |
uint32 *tvec = upp[5]; |
| 691 |
D(bug(" GetResource() entry %08x, TOC %08x\n", tvec[0], tvec[1])); |
| 692 |
*(uint32 *)XLM_RES_LIB_TOC = tvec[1]; |
| 693 |
*(uint32 *)XLM_GET_RESOURCE = tvec[0]; |
| 694 |
#ifdef __BEOS__ |
| 695 |
uint32 *tvec2 = (uint32 *)get_resource; |
| 696 |
tvec[0] = tvec2[0]; |
| 697 |
tvec[1] = tvec2[1]; |
| 698 |
#else |
| 699 |
tvec[0] = (uint32)get_resource; |
| 700 |
#endif |
| 701 |
|
| 702 |
// Patch native Get1Resource() |
| 703 |
upp = *(uint32 ***)0xe7c; |
| 704 |
tvec = upp[5]; |
| 705 |
D(bug(" Get1Resource() entry %08x, TOC %08x\n", tvec[0], tvec[1])); |
| 706 |
*(uint32 *)XLM_GET_1_RESOURCE = tvec[0]; |
| 707 |
#ifdef __BEOS__ |
| 708 |
tvec2 = (uint32 *)get_1_resource; |
| 709 |
tvec[0] = tvec2[0]; |
| 710 |
tvec[1] = tvec2[1]; |
| 711 |
#else |
| 712 |
tvec[0] = (uint32)get_1_resource; |
| 713 |
#endif |
| 714 |
|
| 715 |
// Patch native GetIndResource() |
| 716 |
upp = *(uint32 ***)0x1474; |
| 717 |
tvec = upp[5]; |
| 718 |
D(bug(" GetIndResource() entry %08x, TOC %08x\n", tvec[0], tvec[1])); |
| 719 |
*(uint32 *)XLM_GET_IND_RESOURCE = tvec[0]; |
| 720 |
#ifdef __BEOS__ |
| 721 |
tvec2 = (uint32 *)get_ind_resource; |
| 722 |
tvec[0] = tvec2[0]; |
| 723 |
tvec[1] = tvec2[1]; |
| 724 |
#else |
| 725 |
tvec[0] = (uint32)get_ind_resource; |
| 726 |
#endif |
| 727 |
|
| 728 |
// Patch native Get1IndResource() |
| 729 |
upp = *(uint32 ***)0xe38; |
| 730 |
tvec = upp[5]; |
| 731 |
D(bug(" Get1IndResource() entry %08x, TOC %08x\n", tvec[0], tvec[1])); |
| 732 |
*(uint32 *)XLM_GET_1_IND_RESOURCE = tvec[0]; |
| 733 |
#ifdef __BEOS__ |
| 734 |
tvec2 = (uint32 *)get_1_ind_resource; |
| 735 |
tvec[0] = tvec2[0]; |
| 736 |
tvec[1] = tvec2[1]; |
| 737 |
#else |
| 738 |
tvec[0] = (uint32)get_1_ind_resource; |
| 739 |
#endif |
| 740 |
|
| 741 |
// Patch native RGetResource() |
| 742 |
upp = *(uint32 ***)0xe30; |
| 743 |
tvec = upp[5]; |
| 744 |
D(bug(" RGetResource() entry %08x, TOC %08x\n", tvec[0], tvec[1])); |
| 745 |
*(uint32 *)XLM_R_GET_RESOURCE = tvec[0]; |
| 746 |
#ifdef __BEOS__ |
| 747 |
tvec2 = (uint32 *)r_get_resource; |
| 748 |
tvec[0] = tvec2[0]; |
| 749 |
tvec[1] = tvec2[1]; |
| 750 |
#else |
| 751 |
tvec[0] = (uint32)r_get_resource; |
| 752 |
#endif |
| 753 |
} |
