| 1 |
/* |
| 2 |
* rsrc_patches.cpp - Resource patches |
| 3 |
* |
| 4 |
* Basilisk II (C) 1997-2000 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* 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. |
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* |
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* 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 <string.h> |
| 22 |
|
| 23 |
#include "sysdeps.h" |
| 24 |
#include "cpu_emulation.h" |
| 25 |
#include "macos_util.h" |
| 26 |
#include "main.h" |
| 27 |
#include "emul_op.h" |
| 28 |
#include "audio.h" |
| 29 |
#include "audio_defs.h" |
| 30 |
#include "rsrc_patches.h" |
| 31 |
|
| 32 |
#if ENABLE_MON |
| 33 |
#include "mon.h" |
| 34 |
#endif |
| 35 |
|
| 36 |
#define DEBUG 0 |
| 37 |
#include "debug.h" |
| 38 |
|
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|
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#if !EMULATED_68K |
| 41 |
// Assembly functions |
| 42 |
extern "C" void Scod060Patch1(void); |
| 43 |
extern "C" void Scod060Patch2(void); |
| 44 |
extern "C" void ThInitFPUPatch(void); |
| 45 |
#endif |
| 46 |
|
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|
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/* |
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* Search resource for byte string, return offset (or 0) |
| 50 |
*/ |
| 51 |
|
| 52 |
static uint32 find_rsrc_data(const uint8 *rsrc, uint32 max, const uint8 *search, uint32 search_len, uint32 ofs = 0) |
| 53 |
{ |
| 54 |
while (ofs < max - search_len) { |
| 55 |
if (!memcmp(rsrc + ofs, search, search_len)) |
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return ofs; |
| 57 |
ofs++; |
| 58 |
} |
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return 0; |
| 60 |
} |
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|
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|
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/* |
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* Resource patches via vCheckLoad |
| 65 |
*/ |
| 66 |
|
| 67 |
void CheckLoad(uint32 type, int16 id, uint8 *p, uint32 size) |
| 68 |
{ |
| 69 |
uint16 *p16; |
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uint32 base; |
| 71 |
D(bug("vCheckLoad %c%c%c%c (%08x) ID %d, data %08x, size %d\n", (char)(type >> 24), (char)((type >> 16) & 0xff), (char )((type >> 8) & 0xff), (char )(type & 0xff), type, id, p, size)); |
| 72 |
|
| 73 |
if (type == FOURCC('b','o','o','t') && id == 3) { |
| 74 |
D(bug(" boot 3 found\n")); |
| 75 |
|
| 76 |
// Set boot stack pointer (7.5, 7.6, 7.6.1, 8.0) |
| 77 |
static const uint8 dat[] = {0x22, 0x00, 0xe4, 0x89, 0x90, 0x81, 0x22, 0x40}; |
| 78 |
base = find_rsrc_data(p, size, dat, sizeof(dat)); |
| 79 |
if (base) { |
| 80 |
p16 = (uint16 *)(p + base + 6); |
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*p16 = htons(M68K_EMUL_OP_FIX_BOOTSTACK); |
| 82 |
FlushCodeCache(p + base + 6, 2); |
| 83 |
D(bug(" patch 1 applied\n")); |
| 84 |
} |
| 85 |
|
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#if !ROM_IS_WRITE_PROTECTED |
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// Set fake handle at 0x0000 to some safe place (so broken Mac programs won't write into Mac ROM) (7.5, 8.0) |
| 88 |
static const uint8 dat2[] = {0x20, 0x78, 0x02, 0xae, 0xd1, 0xfc, 0x00, 0x01, 0x00, 0x00, 0x21, 0xc8, 0x00, 0x00}; |
| 89 |
base = find_rsrc_data(p, size, dat2, sizeof(dat2)); |
| 90 |
if (base) { |
| 91 |
p16 = (uint16 *)(p + base); |
| 92 |
|
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#if defined(AMIGA) || defined(__NetBSD__) |
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// Set 0x0000 to scratch memory area |
| 95 |
extern uint32 ScratchMem; |
| 96 |
*p16++ = htons(0x207c); // move.l #ScratchMem,a0 |
| 97 |
*p16++ = htons(ScratchMem >> 16); |
| 98 |
*p16++ = htons(ScratchMem); |
| 99 |
*p16++ = htons(M68K_NOP); |
| 100 |
*p16 = htons(M68K_NOP); |
| 101 |
#else |
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#error System specific handling for writable ROM is required here |
| 103 |
#endif |
| 104 |
FlushCodeCache(p + base, 14); |
| 105 |
D(bug(" patch 2 applied\n")); |
| 106 |
} |
| 107 |
|
| 108 |
} else if (type == FOURCC('b','o','o','t') && id == 2) { |
| 109 |
D(bug(" boot 2 found\n")); |
| 110 |
|
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// Set fake handle at 0x0000 to some safe place (so broken Mac programs won't write into Mac ROM) (7.5, 8.0) |
| 112 |
static const uint8 dat[] = {0x20, 0x78, 0x02, 0xae, 0xd1, 0xfc, 0x00, 0x01, 0x00, 0x00, 0x21, 0xc8, 0x00, 0x00}; |
| 113 |
base = find_rsrc_data(p, size, dat, sizeof(dat)); |
| 114 |
if (base) { |
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p16 = (uint16 *)(p + base); |
| 116 |
|
| 117 |
#if defined(AMIGA) || defined(__NetBSD__) |
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// Set 0x0000 to scratch memory area |
| 119 |
extern uint32 ScratchMem; |
| 120 |
*p16++ = htons(0x207c); // move.l #ScratchMem,a0 |
| 121 |
*p16++ = htons(ScratchMem >> 16); |
| 122 |
*p16++ = htons(ScratchMem); |
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*p16++ = htons(M68K_NOP); |
| 124 |
*p16 = htons(M68K_NOP); |
| 125 |
#else |
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#error System specific handling for writable ROM is required here |
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#endif |
| 128 |
FlushCodeCache(p + base, 14); |
| 129 |
D(bug(" patch 1 applied\n")); |
| 130 |
} |
| 131 |
#endif |
| 132 |
|
| 133 |
} else if (type == FOURCC('P','T','C','H') && id == 630) { |
| 134 |
D(bug("PTCH 630 found\n")); |
| 135 |
|
| 136 |
// Don't replace Time Manager (Classic ROM, 6.0.3) |
| 137 |
static const uint8 dat[] = {0x30, 0x3c, 0x00, 0x58, 0xa2, 0x47}; |
| 138 |
base = find_rsrc_data(p, size, dat, sizeof(dat)); |
| 139 |
if (base) { |
| 140 |
p16 = (uint16 *)(p + base); |
| 141 |
p16[2] = htons(M68K_NOP); |
| 142 |
p16[7] = htons(M68K_NOP); |
| 143 |
p16[12] = htons(M68K_NOP); |
| 144 |
FlushCodeCache(p + base, 26); |
| 145 |
D(bug(" patch 1 applied\n")); |
| 146 |
} |
| 147 |
|
| 148 |
// Don't replace Time Manager (Classic ROM, 6.0.8) |
| 149 |
static const uint8 dat2[] = {0x70, 0x58, 0xa2, 0x47}; |
| 150 |
base = find_rsrc_data(p, size, dat2, sizeof(dat2)); |
| 151 |
if (base) { |
| 152 |
p16 = (uint16 *)(p + base); |
| 153 |
p16[1] = htons(M68K_NOP); |
| 154 |
p16[5] = htons(M68K_NOP); |
| 155 |
p16[9] = htons(M68K_NOP); |
| 156 |
FlushCodeCache(p + base, 20); |
| 157 |
D(bug(" patch 1 applied\n")); |
| 158 |
} |
| 159 |
|
| 160 |
} else if (type == FOURCC('p','t','c','h') && id == 26) { |
| 161 |
D(bug(" ptch 26 found\n")); |
| 162 |
|
| 163 |
// Trap ABC4 is initialized with absolute ROM address (7.5, 7.6, 7.6.1, 8.0) |
| 164 |
static const uint8 dat[] = {0x40, 0x83, 0x36, 0x10}; |
| 165 |
base = find_rsrc_data(p, size, dat, sizeof(dat)); |
| 166 |
if (base) { |
| 167 |
p16 = (uint16 *)(p + base); |
| 168 |
*p16++ = htons((ROMBaseMac + 0x33610) >> 16); |
| 169 |
*p16 = htons((ROMBaseMac + 0x33610) & 0xffff); |
| 170 |
FlushCodeCache(p + base, 4); |
| 171 |
D(bug(" patch 1 applied\n")); |
| 172 |
} |
| 173 |
|
| 174 |
} else if (type == FOURCC('p','t','c','h') && id == 34) { |
| 175 |
D(bug(" ptch 34 found\n")); |
| 176 |
|
| 177 |
// Don't wait for VIA (Classic ROM, 6.0.8) |
| 178 |
static const uint8 dat[] = {0x22, 0x78, 0x01, 0xd4, 0x10, 0x11, 0x02, 0x00, 0x00, 0x30}; |
| 179 |
base = find_rsrc_data(p, size, dat, sizeof(dat)); |
| 180 |
if (base) { |
| 181 |
p16 = (uint16 *)(p + base + 14); |
| 182 |
*p16 = htons(M68K_NOP); |
| 183 |
FlushCodeCache(p + base + 14, 2); |
| 184 |
D(bug(" patch 1 applied\n")); |
| 185 |
} |
| 186 |
|
| 187 |
// Don't replace ADBOp() (Classic ROM, 6.0.8) |
| 188 |
static const uint8 dat2[] = {0x21, 0xc0, 0x05, 0xf0}; |
| 189 |
base = find_rsrc_data(p, size, dat2, sizeof(dat2)); |
| 190 |
if (base) { |
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p16 = (uint16 *)(p + base); |
| 192 |
*p16++ = htons(M68K_NOP); |
| 193 |
*p16 = htons(M68K_NOP); |
| 194 |
FlushCodeCache(p + base, 4); |
| 195 |
D(bug(" patch 2 applied\n")); |
| 196 |
} |
| 197 |
|
| 198 |
#if !EMULATED_68K |
| 199 |
} else if (CPUIs68060 && (type == FOURCC('g','p','c','h') && id == 669 || type == FOURCC('l','p','c','h') && id == 63)) { |
| 200 |
D(bug(" gpch 669/lpch 63 found\n")); |
| 201 |
|
| 202 |
static uint16 ThPatchSpace[1024]; // Replacement routines are constructed here |
| 203 |
uint16 *q = ThPatchSpace; |
| 204 |
uint32 start; |
| 205 |
int i; |
| 206 |
|
| 207 |
// Patch Thread Manager thread switcher for 68060 FPU (7.5, 8.0) |
| 208 |
static const uint8 dat[] = {0x22, 0x6f, 0x00, 0x08, 0x20, 0x2f, 0x00, 0x04, 0x67, 0x18}; |
| 209 |
base = find_rsrc_data(p, size, dat, sizeof(dat)); |
| 210 |
if (base) { // Skip first routine (no FPU -> no FPU) |
| 211 |
|
| 212 |
base = find_rsrc_data(p, size - base - 2, dat, sizeof(dat), base + 2); |
| 213 |
if (base) { // no FPU -> FPU |
| 214 |
|
| 215 |
p16 = (uint16 *)(p + base); |
| 216 |
start = (uint32)q; |
| 217 |
for (i=0; i<28; i++) *q++ = *p16++; |
| 218 |
*q++ = htons(0x4a2f); // tst.b 2(sp) (null FPU state or "FPU state saved" flag set?) |
| 219 |
*q++ = htons(2); |
| 220 |
*q++ = htons(0x6712); // beq |
| 221 |
*q++ = htons(0x588f); // addq.l #2,sp (flag set, skip it) |
| 222 |
*q++ = htons(0xf21f); // fmove.l (sp)+,fpcr (restore FPU registers) |
| 223 |
*q++ = htons(0x9000); |
| 224 |
*q++ = htons(0xf21f); // fmove.l (sp)+,fpsr |
| 225 |
*q++ = htons(0x8800); |
| 226 |
*q++ = htons(0xf21f); // fmove.l (sp)+,fpiar |
| 227 |
*q++ = htons(0x8400); |
| 228 |
*q++ = htons(0xf21f); // fmovem.x (sp)+,fp0-fp7 |
| 229 |
*q++ = htons(0xd0ff); |
| 230 |
*q++ = htons(0xf35f); // frestore (sp)+ |
| 231 |
*q++ = htons(0x4e75); // rts |
| 232 |
|
| 233 |
p16 = (uint16 *)(p + base); |
| 234 |
*p16++ = htons(M68K_JMP); |
| 235 |
*p16++ = htons(start >> 16); |
| 236 |
*p16 = htons(start & 0xffff); |
| 237 |
FlushCodeCache(p + base, 6); |
| 238 |
D(bug(" patch 1 applied\n")); |
| 239 |
|
| 240 |
static const uint8 dat2[] = {0x22, 0x6f, 0x00, 0x08, 0x20, 0x2f, 0x00, 0x04, 0x67, 0x28}; |
| 241 |
base = find_rsrc_data(p, size, dat2, sizeof(dat2)); |
| 242 |
if (base) { // FPU -> FPU |
| 243 |
|
| 244 |
p16 = (uint16 *)(p + base); |
| 245 |
start = (uint32)q; |
| 246 |
for (i=0; i<4; i++) *q++ = *p16++; |
| 247 |
*q++ = htons(0x6736); // beq |
| 248 |
*q++ = htons(0xf327); // fsave -(sp) (save FPU state frame) |
| 249 |
*q++ = htons(0x4a2f); // tst.b 2(sp) (null FPU state?) |
| 250 |
*q++ = htons(2); |
| 251 |
*q++ = htons(0x6716); // beq |
| 252 |
*q++ = htons(0xf227); // fmovem.x fp0-fp7,-(sp) (no, save FPU registers) |
| 253 |
*q++ = htons(0xe0ff); |
| 254 |
*q++ = htons(0xf227); // fmove.l fpiar,-(sp) |
| 255 |
*q++ = htons(0xa400); |
| 256 |
*q++ = htons(0xf227); // fmove.l fpsr,-(sp) |
| 257 |
*q++ = htons(0xa800); |
| 258 |
*q++ = htons(0xf227); // fmove.l fpcr,-(sp) |
| 259 |
*q++ = htons(0xb000); |
| 260 |
*q++ = htons(0x4879); // pea -1 (push "FPU state saved" flag) |
| 261 |
*q++ = htons(0xffff); |
| 262 |
*q++ = htons(0xffff); |
| 263 |
p16 += 9; |
| 264 |
for (i=0; i<23; i++) *q++ = *p16++; |
| 265 |
*q++ = htons(0x4a2f); // tst.b 2(sp) (null FPU state or "FPU state saved" flag set?) |
| 266 |
*q++ = htons(2); |
| 267 |
*q++ = htons(0x6712); // beq |
| 268 |
*q++ = htons(0x588f); // addq.l #2,sp (flag set, skip it) |
| 269 |
*q++ = htons(0xf21f); // fmove.l (sp)+,fpcr (restore FPU registers) |
| 270 |
*q++ = htons(0x9000); |
| 271 |
*q++ = htons(0xf21f); // fmove.l (sp)+,fpsr |
| 272 |
*q++ = htons(0x8800); |
| 273 |
*q++ = htons(0xf21f); // fmove.l (sp)+,fpiar |
| 274 |
*q++ = htons(0x8400); |
| 275 |
*q++ = htons(0xf21f); // fmovem.x (sp)+,fp0-fp7 |
| 276 |
*q++ = htons(0xd0ff); |
| 277 |
*q++ = htons(0xf35f); // frestore (sp)+ |
| 278 |
*q++ = htons(0x4e75); // rts |
| 279 |
|
| 280 |
p16 = (uint16 *)(p + base); |
| 281 |
*p16++ = htons(M68K_JMP); |
| 282 |
*p16++ = htons(start >> 16); |
| 283 |
*p16 = htons(start & 0xffff); |
| 284 |
FlushCodeCache(p + base, 6); |
| 285 |
D(bug(" patch 2 applied\n")); |
| 286 |
|
| 287 |
base = find_rsrc_data(p, size - base - 2, dat2, sizeof(dat2), base + 2); |
| 288 |
if (base) { // FPU -> no FPU |
| 289 |
|
| 290 |
p16 = (uint16 *)(p + base); |
| 291 |
start = (uint32)q; |
| 292 |
for (i=0; i<4; i++) *q++ = *p16++; |
| 293 |
*q++ = htons(0x6736); // beq |
| 294 |
*q++ = htons(0xf327); // fsave -(sp) (save FPU state frame) |
| 295 |
*q++ = htons(0x4a2f); // tst.b 2(sp) (null FPU state?) |
| 296 |
*q++ = htons(2); |
| 297 |
*q++ = htons(0x6716); // beq |
| 298 |
*q++ = htons(0xf227); // fmovem.x fp0-fp7,-(sp) (no, save FPU registers) |
| 299 |
*q++ = htons(0xe0ff); |
| 300 |
*q++ = htons(0xf227); // fmove.l fpiar,-(sp) |
| 301 |
*q++ = htons(0xa400); |
| 302 |
*q++ = htons(0xf227); // fmove.l fpsr,-(sp) |
| 303 |
*q++ = htons(0xa800); |
| 304 |
*q++ = htons(0xf227); // fmove.l fpcr,-(sp) |
| 305 |
*q++ = htons(0xb000); |
| 306 |
*q++ = htons(0x4879); // pea -1 (push "FPU state saved" flag) |
| 307 |
*q++ = htons(0xffff); |
| 308 |
*q++ = htons(0xffff); |
| 309 |
p16 += 9; |
| 310 |
for (i=0; i<24; i++) *q++ = *p16++; |
| 311 |
|
| 312 |
p16 = (uint16 *)(p + base); |
| 313 |
*p16++ = htons(M68K_JMP); |
| 314 |
*p16++ = htons(start >> 16); |
| 315 |
*p16 = htons(start & 0xffff); |
| 316 |
FlushCodeCache(p + base, 6); |
| 317 |
D(bug(" patch 3 applied\n")); |
| 318 |
} |
| 319 |
} |
| 320 |
} |
| 321 |
} |
| 322 |
|
| 323 |
// Patch Thread Manager thread switcher for 68060 FPU (additional routines under 8.0 for Mixed Mode Manager) |
| 324 |
static const uint8 dat3[] = {0x22, 0x6f, 0x00, 0x08, 0x20, 0x2f, 0x00, 0x04, 0x67, 0x40}; |
| 325 |
base = find_rsrc_data(p, size, dat3, sizeof(dat3)); |
| 326 |
if (base) { // Skip first routine (no FPU -> no FPU) |
| 327 |
|
| 328 |
base = find_rsrc_data(p, size - base - 2, dat3, sizeof(dat3), base + 2); |
| 329 |
if (base) { // no FPU -> FPU |
| 330 |
|
| 331 |
p16 = (uint16 *)(p + base); |
| 332 |
start = (uint32)q; |
| 333 |
for (i=0; i<48; i++) *q++ = *p16++; |
| 334 |
*q++ = htons(0x4a2f); // tst.b 2(sp) (null FPU state or "FPU state saved" flag set?) |
| 335 |
*q++ = htons(2); |
| 336 |
*q++ = htons(0x6712); // beq |
| 337 |
*q++ = htons(0x588f); // addq.l #2,sp (flag set, skip it) |
| 338 |
*q++ = htons(0xf21f); // fmove.l (sp)+,fpcr (restore FPU registers) |
| 339 |
*q++ = htons(0x9000); |
| 340 |
*q++ = htons(0xf21f); // fmove.l (sp)+,fpsr |
| 341 |
*q++ = htons(0x8800); |
| 342 |
*q++ = htons(0xf21f); // fmove.l (sp)+,fpiar |
| 343 |
*q++ = htons(0x8400); |
| 344 |
*q++ = htons(0xf21f); // fmovem.x (sp)+,fp0-fp7 |
| 345 |
*q++ = htons(0xd0ff); |
| 346 |
p16 += 7; |
| 347 |
for (i=0; i<20; i++) *q++ = *p16++; |
| 348 |
|
| 349 |
p16 = (uint16 *)(p + base); |
| 350 |
*p16++ = htons(M68K_JMP); |
| 351 |
*p16++ = htons(start >> 16); |
| 352 |
*p16 = htons(start & 0xffff); |
| 353 |
FlushCodeCache(p + base, 6); |
| 354 |
D(bug(" patch 4 applied\n")); |
| 355 |
|
| 356 |
static const uint8 dat4[] = {0x22, 0x6f, 0x00, 0x08, 0x20, 0x2f, 0x00, 0x04, 0x67, 0x50}; |
| 357 |
base = find_rsrc_data(p, size, dat4, sizeof(dat4)); |
| 358 |
if (base) { // FPU -> FPU |
| 359 |
|
| 360 |
p16 = (uint16 *)(p + base); |
| 361 |
start = (uint32)q; |
| 362 |
for (i=0; i<4; i++) *q++ = *p16++; |
| 363 |
*q++ = htons(0x675e); // beq |
| 364 |
p16++; |
| 365 |
for (i=0; i<21; i++) *q++ = *p16++; |
| 366 |
*q++ = htons(0x4a2f); // tst.b 2(sp) (null FPU state?) |
| 367 |
*q++ = htons(2); |
| 368 |
*q++ = htons(0x6716); // beq |
| 369 |
*q++ = htons(0xf227); // fmovem.x fp0-fp7,-(sp) (no, save FPU registers) |
| 370 |
*q++ = htons(0xe0ff); |
| 371 |
*q++ = htons(0xf227); // fmove.l fpiar,-(sp) |
| 372 |
*q++ = htons(0xa400); |
| 373 |
*q++ = htons(0xf227); // fmove.l fpsr,-(sp) |
| 374 |
*q++ = htons(0xa800); |
| 375 |
*q++ = htons(0xf227); // fmove.l fpcr,-(sp) |
| 376 |
*q++ = htons(0xb000); |
| 377 |
*q++ = htons(0x4879); // pea -1 (push "FPU state saved" flag) |
| 378 |
*q++ = htons(0xffff); |
| 379 |
*q++ = htons(0xffff); |
| 380 |
p16 += 7; |
| 381 |
for (i=0; i<23; i++) *q++ = *p16++; |
| 382 |
*q++ = htons(0x4a2f); // tst.b 2(sp) (null FPU state or "FPU state saved" flag set?) |
| 383 |
*q++ = htons(2); |
| 384 |
*q++ = htons(0x6712); // beq |
| 385 |
*q++ = htons(0x588f); // addq.l #2,sp (flag set, skip it) |
| 386 |
*q++ = htons(0xf21f); // fmove.l (sp)+,fpcr (restore FPU registers) |
| 387 |
*q++ = htons(0x9000); |
| 388 |
*q++ = htons(0xf21f); // fmove.l (sp)+,fpsr |
| 389 |
*q++ = htons(0x8800); |
| 390 |
*q++ = htons(0xf21f); // fmove.l (sp)+,fpiar |
| 391 |
*q++ = htons(0x8400); |
| 392 |
*q++ = htons(0xf21f); // fmovem.x (sp)+,fp0-fp7 |
| 393 |
*q++ = htons(0xd0ff); |
| 394 |
p16 += 7; |
| 395 |
for (i=0; i<20; i++) *q++ = *p16++; |
| 396 |
|
| 397 |
p16 = (uint16 *)(p + base); |
| 398 |
*p16++ = htons(M68K_JMP); |
| 399 |
*p16++ = htons(start >> 16); |
| 400 |
*p16 = htons(start & 0xffff); |
| 401 |
FlushCodeCache(p + base, 6); |
| 402 |
D(bug(" patch 5 applied\n")); |
| 403 |
|
| 404 |
base = find_rsrc_data(p, size - base - 2, dat4, sizeof(dat4), base + 2); |
| 405 |
if (base) { // FPU -> no FPU |
| 406 |
|
| 407 |
p16 = (uint16 *)(p + base); |
| 408 |
start = (uint32)q; |
| 409 |
for (i=0; i<4; i++) *q++ = *p16++; |
| 410 |
*q++ = htons(0x675e); // beq |
| 411 |
p16++; |
| 412 |
for (i=0; i<21; i++) *q++ = *p16++; |
| 413 |
*q++ = htons(0x4a2f); // tst.b 2(sp) (null FPU state?) |
| 414 |
*q++ = htons(2); |
| 415 |
*q++ = htons(0x6716); // beq |
| 416 |
*q++ = htons(0xf227); // fmovem.x fp0-fp7,-(sp) (no, save FPU registers) |
| 417 |
*q++ = htons(0xe0ff); |
| 418 |
*q++ = htons(0xf227); // fmove.l fpiar,-(sp) |
| 419 |
*q++ = htons(0xa400); |
| 420 |
*q++ = htons(0xf227); // fmove.l fpsr,-(sp) |
| 421 |
*q++ = htons(0xa800); |
| 422 |
*q++ = htons(0xf227); // fmove.l fpcr,-(sp) |
| 423 |
*q++ = htons(0xb000); |
| 424 |
*q++ = htons(0x4879); // pea -1 (push "FPU state saved" flag) |
| 425 |
*q++ = htons(0xffff); |
| 426 |
*q++ = htons(0xffff); |
| 427 |
p16 += 7; |
| 428 |
for (i=0; i<42; i++) *q++ = *p16++; |
| 429 |
|
| 430 |
p16 = (uint16 *)(p + base); |
| 431 |
*p16++ = htons(M68K_JMP); |
| 432 |
*p16++ = htons(start >> 16); |
| 433 |
*p16 = htons(start & 0xffff); |
| 434 |
FlushCodeCache(p + base, 6); |
| 435 |
D(bug(" patch 6 applied\n")); |
| 436 |
} |
| 437 |
} |
| 438 |
} |
| 439 |
} |
| 440 |
|
| 441 |
FlushCodeCache(ThPatchSpace, 1024); |
| 442 |
|
| 443 |
// Patch Thread Manager FPU init for 68060 FPU (7.5, 8.0) |
| 444 |
static const uint8 dat5[] = {0x4a, 0x28, 0x00, 0xa4, 0x67, 0x0a, 0x4a, 0x2c, 0x00, 0x40}; |
| 445 |
base = find_rsrc_data(p, size, dat5, sizeof(dat5)); |
| 446 |
if (base) { |
| 447 |
p16 = (uint16 *)(p + base + 6); |
| 448 |
*p16++ = htons(M68K_JSR); |
| 449 |
*p16++ = htons((uint32)ThInitFPUPatch >> 16); |
| 450 |
*p16++ = htons((uint32)ThInitFPUPatch & 0xffff); |
| 451 |
*p16++ = htons(M68K_NOP); |
| 452 |
*p16 = htons(M68K_NOP); |
| 453 |
FlushCodeCache(p + base + 6, 10); |
| 454 |
D(bug(" patch 7 applied\n")); |
| 455 |
} |
| 456 |
#endif |
| 457 |
|
| 458 |
} else if (type == FOURCC('g','p','c','h') && id == 750) { |
| 459 |
D(bug(" gpch 750 found\n")); |
| 460 |
|
| 461 |
// Don't use PTEST instruction in BlockMove() (7.5, 7.6, 7.6.1, 8.0) |
| 462 |
static const uint8 dat[] = {0xa0, 0x8d, 0x0c, 0x81, 0x00, 0x00, 0x0c, 0x00, 0x65, 0x06, 0x4e, 0x71, 0xf4, 0xf8}; |
| 463 |
base = find_rsrc_data(p, size, dat, sizeof(dat)); |
| 464 |
if (base) { |
| 465 |
p16 = (uint16 *)(p + base + 8); |
| 466 |
*p16 = htons(M68K_NOP); |
| 467 |
FlushCodeCache(p + base + 8, 2); |
| 468 |
D(bug(" patch 1 applied\n")); |
| 469 |
} |
| 470 |
|
| 471 |
} else if (type == FOURCC('l','p','c','h') && id == 24) { |
| 472 |
D(bug(" lpch 24 found\n")); |
| 473 |
|
| 474 |
// Don't replace Time Manager (7.0.1, 7.1, 7.5, 7.6, 7.6.1, 8.0) |
| 475 |
static const uint8 dat[] = {0x70, 0x59, 0xa2, 0x47}; |
| 476 |
base = find_rsrc_data(p, size, dat, sizeof(dat)); |
| 477 |
if (base) { |
| 478 |
p16 = (uint16 *)(p + base + 2); |
| 479 |
*p16++ = htons(M68K_NOP); |
| 480 |
p16 += 3; |
| 481 |
*p16++ = htons(M68K_NOP); |
| 482 |
p16 += 7; |
| 483 |
*p16 = htons(M68K_NOP); |
| 484 |
FlushCodeCache(p + base + 2, 28); |
| 485 |
D(bug(" patch 1 applied\n")); |
| 486 |
} |
| 487 |
|
| 488 |
} else if (type == FOURCC('l','p','c','h') && id == 31) { |
| 489 |
D(bug(" lpch 31 found\n")); |
| 490 |
|
| 491 |
// Don't write to VIA in vSoundDead() (7.0.1, 7.1, 7.5, 7.6, 7.6.1, 8.0) |
| 492 |
static const uint8 dat[] = {0x20, 0x78, 0x01, 0xd4, 0x08, 0xd0, 0x00, 0x07, 0x4e, 0x75}; |
| 493 |
base = find_rsrc_data(p, size, dat, sizeof(dat)); |
| 494 |
if (base) { |
| 495 |
p16 = (uint16 *)(p + base); |
| 496 |
*p16 = htons(M68K_RTS); |
| 497 |
FlushCodeCache(p + base, 2); |
| 498 |
D(bug(" patch 1 applied\n")); |
| 499 |
} |
| 500 |
|
| 501 |
// Don't replace SCSI manager (7.1, 7.5, 7.6.1, 8.0) |
| 502 |
static const uint8 dat2[] = {0x0c, 0x6f, 0x00, 0x0e, 0x00, 0x04, 0x66, 0x0c}; |
| 503 |
base = find_rsrc_data(p, size, dat2, sizeof(dat2)); |
| 504 |
if (base) { |
| 505 |
p16 = (uint16 *)(p + base); |
| 506 |
*p16++ = htons(M68K_EMUL_OP_SCSI_DISPATCH); |
| 507 |
*p16++ = htons(0x2e49); // move.l a1,a7 |
| 508 |
*p16 = htons(M68K_JMP_A0); |
| 509 |
FlushCodeCache(p + base, 6); |
| 510 |
D(bug(" patch 2 applied\n")); |
| 511 |
} |
| 512 |
|
| 513 |
#if !EMULATED_68K |
| 514 |
} else if (CPUIs68060 && type == FOURCC('s','c','o','d') && (id == -16463 || id == -16464)) { |
| 515 |
D(bug(" scod -16463/-16464 found\n")); |
| 516 |
|
| 517 |
// Correct 68060 FP frame handling in Process Manager task switches (7.1, 7.5, 8.0) |
| 518 |
static const uint8 dat[] = {0xf3, 0x27, 0x4a, 0x17}; |
| 519 |
base = find_rsrc_data(p, size, dat, sizeof(dat)); |
| 520 |
if (base) { |
| 521 |
p16 = (uint16 *)(p + base); |
| 522 |
*p16++ = htons(M68K_JMP); |
| 523 |
*p16++ = htons((uint32)Scod060Patch1 >> 16); |
| 524 |
*p16 = htons((uint32)Scod060Patch1 & 0xffff); |
| 525 |
FlushCodeCache(p + base, 6); |
| 526 |
D(bug(" patch 1 applied\n")); |
| 527 |
} |
| 528 |
|
| 529 |
// Even a null FP frame is 3 longwords on the 68060 (7.1, 7.5, 8.0) |
| 530 |
static const uint8 dat2[] = {0xf3, 0x5f, 0x4e, 0x75}; |
| 531 |
base = find_rsrc_data(p, size, dat2, sizeof(dat2)); |
| 532 |
if (base) { |
| 533 |
p16 = (uint16 *)(p + base - 2); |
| 534 |
*p16++ = htons(M68K_JMP); |
| 535 |
*p16++ = htons((uint32)Scod060Patch2 >> 16); |
| 536 |
*p16 = htons((uint32)Scod060Patch2 & 0xffff); |
| 537 |
FlushCodeCache(p + base - 2, 6); |
| 538 |
D(bug(" patch 2 applied\n")); |
| 539 |
} |
| 540 |
#endif |
| 541 |
|
| 542 |
} else if (type == FOURCC('t','h','n','g') && id == -16563) { |
| 543 |
D(bug(" thng -16563 found\n")); |
| 544 |
|
| 545 |
// Set audio component flags (7.5, 7.6, 7.6.1, 8.0) |
| 546 |
*(uint32 *)(p + componentFlags) = htonl(audio_component_flags); |
| 547 |
D(bug(" patch 1 applied\n")); |
| 548 |
|
| 549 |
} else if (type == FOURCC('s','i','f','t') && id == -16563) { |
| 550 |
D(bug(" sift -16563 found\n")); |
| 551 |
|
| 552 |
// Replace audio component (7.5, 7.6, 7.6.1, 8.0) |
| 553 |
p16 = (uint16 *)p; |
| 554 |
*p16++ = htons(0x4e56); *p16++ = htons(0x0000); // link a6,#0 |
| 555 |
*p16++ = htons(0x48e7); *p16++ = htons(0x8018); // movem.l d0/a3-a4,-(sp) |
| 556 |
*p16++ = htons(0x266e); *p16++ = htons(0x000c); // movea.l 12(a6),a3 |
| 557 |
*p16++ = htons(0x286e); *p16++ = htons(0x0008); // movea.l 8(a6),a4 |
| 558 |
*p16++ = htons(M68K_EMUL_OP_AUDIO); |
| 559 |
*p16++ = htons(0x2d40); *p16++ = htons(0x0010); // move.l d0,16(a6) |
| 560 |
*p16++ = htons(0x4cdf); *p16++ = htons(0x1801); // movem.l (sp)+,d0/a3-a4 |
| 561 |
*p16++ = htons(0x4e5e); // unlk a6 |
| 562 |
*p16++ = htons(0x4e74); *p16++ = htons(0x0008); // rtd #8 |
| 563 |
FlushCodeCache(p, 32); |
| 564 |
D(bug(" patch 1 applied\n")); |
| 565 |
|
| 566 |
} else if (type == FOURCC('i','n','s','t') && id == -19069) { |
| 567 |
D(bug(" inst -19069 found\n")); |
| 568 |
|
| 569 |
// Don't replace Microseconds (QuickTime 2.0) |
| 570 |
static const uint8 dat[] = {0x30, 0x3c, 0xa1, 0x93, 0xa2, 0x47}; |
| 571 |
base = find_rsrc_data(p, size, dat, sizeof(dat)); |
| 572 |
if (base) { |
| 573 |
p16 = (uint16 *)(p + base + 4); |
| 574 |
*p16 = htons(M68K_NOP); |
| 575 |
FlushCodeCache(p + base + 4, 2); |
| 576 |
D(bug(" patch 1 applied\n")); |
| 577 |
} |
| 578 |
|
| 579 |
} else if (type == FOURCC('D','R','V','R') && id == -20066) { |
| 580 |
D(bug("DRVR -20066 found\n")); |
| 581 |
|
| 582 |
// Don't access SCC in .Infra driver |
| 583 |
static const uint8 dat[] = {0x28, 0x78, 0x01, 0xd8, 0x48, 0xc7, 0x20, 0x0c, 0xd0, 0x87, 0x20, 0x40, 0x1c, 0x10}; |
| 584 |
base = find_rsrc_data(p, size, dat, sizeof(dat)); |
| 585 |
if (base) { |
| 586 |
p16 = (uint16 *)(p + base + 12); |
| 587 |
*p16 = htons(0x7a00); // moveq #0,d6 |
| 588 |
FlushCodeCache(p + base + 12, 2); |
| 589 |
D(bug(" patch 1 applied\n")); |
| 590 |
} |
| 591 |
|
| 592 |
} else if (type == FOURCC('l','t','l','k') && id == 0) { |
| 593 |
D(bug(" ltlk 0 found\n")); |
| 594 |
|
| 595 |
// Disable LocalTalk (7.0.1, 7.5, 7.6, 7.6.1, 8.0) |
| 596 |
p16 = (uint16 *)p; |
| 597 |
*p16++ = htons(M68K_JMP_A0); |
| 598 |
*p16++ = htons(0x7000); |
| 599 |
*p16 = htons(M68K_RTS); |
| 600 |
FlushCodeCache(p, 6); |
| 601 |
D(bug(" patch 1 applied\n")); |
| 602 |
} |
| 603 |
} |
