| 451ab91e |
1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
| 2 | * Mupen64plus - linkage_arm.s * |
| 3 | * Copyright (C) 2009-2011 Ari64 * |
| 4 | * * |
| 5 | * This program is free software; you can redistribute it and/or modify * |
| 6 | * it under the terms of the GNU General Public License as published by * |
| 7 | * the Free Software Foundation; either version 2 of the License, or * |
| 8 | * (at your option) any later version. * |
| 9 | * * |
| 10 | * This program is distributed in the hope that it will be useful, * |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 13 | * GNU General Public License for more details. * |
| 14 | * * |
| 15 | * You should have received a copy of the GNU General Public License * |
| 16 | * along with this program; if not, write to the * |
| 17 | * Free Software Foundation, Inc., * |
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
| 19 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
| 20 | .cpu arm9tdmi |
| 21 | .fpu softvfp |
| 22 | .eabi_attribute 20, 1 |
| 23 | .eabi_attribute 21, 1 |
| 24 | .eabi_attribute 23, 3 |
| 25 | .eabi_attribute 24, 1 |
| 26 | .eabi_attribute 25, 1 |
| 27 | .eabi_attribute 26, 2 |
| 28 | .eabi_attribute 30, 6 |
| 29 | .eabi_attribute 18, 4 |
| 30 | .file "linkage_arm.S" |
| 31 | .global extra_memory |
| 32 | .hidden extra_memory |
| 33 | .global dynarec_local |
| 34 | .hidden dynarec_local |
| 35 | .global reg |
| 36 | .hidden reg |
| 37 | .global hi |
| 38 | .hidden hi |
| 39 | .global lo |
| 40 | .hidden lo |
| 41 | .global reg_cop1_simple |
| 42 | .hidden reg_cop1_simple |
| 43 | .global reg_cop1_double |
| 44 | .hidden reg_cop1_double |
| 45 | .global reg_cop0 |
| 46 | .hidden reg_cop0 |
| 47 | .global FCR0 |
| 48 | .hidden FCR0 |
| 49 | .global FCR31 |
| 50 | .hidden FCR31 |
| 51 | .global rounding_modes |
| 52 | .hidden rounding_modes |
| 53 | .global next_interupt |
| 54 | .hidden next_interupt |
| 55 | .global cycle_count |
| 56 | .hidden cycle_count |
| 57 | .global last_count |
| 58 | .hidden last_count |
| 59 | .global pending_exception |
| 60 | .hidden pending_exception |
| 61 | .global pcaddr |
| 62 | .hidden pcaddr |
| 63 | .global stop |
| 64 | .hidden stop |
| 65 | .global invc_ptr |
| 66 | .hidden invc_ptr |
| 67 | .global address |
| 68 | .hidden address |
| 69 | .global readmem_dword |
| 70 | .hidden readmem_dword |
| 71 | .global dword |
| 72 | .hidden dword |
| 73 | .global word |
| 74 | .hidden word |
| 75 | .global hword |
| 76 | .hidden hword |
| 77 | .global cpu_byte |
| 78 | .hidden cpu_byte |
| 79 | .global branch_target |
| 80 | .hidden branch_target |
| 81 | .global PC |
| 82 | .hidden PC |
| 83 | .global fake_pc |
| 84 | .hidden fake_pc |
| 85 | .global mini_ht |
| 86 | .hidden mini_ht |
| 87 | .global restore_candidate |
| 88 | .hidden restore_candidate |
| 89 | .global ram_offset |
| 90 | .hidden ram_offset |
| 91 | .global memory_map |
| 92 | .hidden memory_map |
| 93 | .bss |
| 94 | .align 12 |
| 95 | .type extra_memory, %object |
| 96 | .size extra_memory, 33554432 |
| 97 | extra_memory: |
| 98 | .space 33554432+64+16+16+8+8+8+8+256+8+8+128+128+128+16+8+132+4+256+512+4194304 |
| 99 | dynarec_local = extra_memory + 33554432 |
| 100 | .type dynarec_local, %object |
| 101 | .size dynarec_local, 64 |
| 102 | next_interupt = dynarec_local + 64 |
| 103 | .type next_interupt, %object |
| 104 | .size next_interupt, 4 |
| 105 | cycle_count = next_interupt + 4 |
| 106 | .type cycle_count, %object |
| 107 | .size cycle_count, 4 |
| 108 | last_count = cycle_count + 4 |
| 109 | .type last_count, %object |
| 110 | .size last_count, 4 |
| 111 | pending_exception = last_count + 4 |
| 112 | .type pending_exception, %object |
| 113 | .size pending_exception, 4 |
| 114 | pcaddr = pending_exception + 4 |
| 115 | .type pcaddr, %object |
| 116 | .size pcaddr, 4 |
| 117 | stop = pcaddr + 4 |
| 118 | .type stop, %object |
| 119 | .size stop, 4 |
| 120 | invc_ptr = stop + 4 |
| 121 | .type invc_ptr, %object |
| 122 | .size invc_ptr, 4 |
| 123 | address = invc_ptr + 4 |
| 124 | .type address, %object |
| 125 | .size address, 4 |
| 126 | readmem_dword = address + 4 |
| 127 | .type readmem_dword, %object |
| 128 | .size readmem_dword, 8 |
| 129 | dword = readmem_dword + 8 |
| 130 | .type dword, %object |
| 131 | .size dword, 8 |
| 132 | word = dword + 8 |
| 133 | .type word, %object |
| 134 | .size word, 4 |
| 135 | hword = word + 4 |
| 136 | .type hword, %object |
| 137 | .size hword, 2 |
| 138 | cpu_byte = hword + 2 |
| 139 | .type cpu_byte, %object |
| 140 | .size cpu_byte, 1 /* 1 byte free */ |
| 141 | FCR0 = hword + 4 |
| 142 | .type FCR0, %object |
| 143 | .size FCR0, 4 |
| 144 | FCR31 = FCR0 + 4 |
| 145 | .type FCR31, %object |
| 146 | .size FCR31, 4 |
| 147 | reg = FCR31 + 4 |
| 148 | .type reg, %object |
| 149 | .size reg, 256 |
| 150 | hi = reg + 256 |
| 151 | .type hi, %object |
| 152 | .size hi, 8 |
| 153 | lo = hi + 8 |
| 154 | .type lo, %object |
| 155 | .size lo, 8 |
| 156 | reg_cop0 = lo + 8 |
| 157 | .type reg_cop0, %object |
| 158 | .size reg_cop0, 128 |
| 159 | reg_cop1_simple = reg_cop0 + 128 |
| 160 | .type reg_cop1_simple, %object |
| 161 | .size reg_cop1_simple, 128 |
| 162 | reg_cop1_double = reg_cop1_simple + 128 |
| 163 | .type reg_cop1_double, %object |
| 164 | .size reg_cop1_double, 128 |
| 165 | rounding_modes = reg_cop1_double + 128 |
| 166 | .type rounding_modes, %object |
| 167 | .size rounding_modes, 16 |
| 168 | branch_target = rounding_modes + 16 |
| 169 | .type branch_target, %object |
| 170 | .size branch_target, 4 |
| 171 | PC = branch_target + 4 |
| 172 | .type PC, %object |
| 173 | .size PC, 4 |
| 174 | fake_pc = PC + 4 |
| 175 | .type fake_pc, %object |
| 176 | .size fake_pc, 132 |
| 177 | ram_offset = fake_pc + 132 |
| 178 | .type ram_offset, %object |
| 179 | .size ram_offset, 4 |
| 180 | mini_ht = ram_offset + 4 |
| 181 | .type mini_ht, %object |
| 182 | .size mini_ht, 256 |
| 183 | restore_candidate = mini_ht + 256 |
| 184 | .type restore_candidate, %object |
| 185 | .size restore_candidate, 512 |
| 186 | memory_map = restore_candidate + 512 |
| 187 | .type memory_map, %object |
| 188 | .size memory_map, 4194304 |
| 189 | |
| 190 | .text |
| 191 | .align 2 |
| 192 | .global dyna_linker |
| 193 | .hidden dyna_linker |
| 194 | .type dyna_linker, %function |
| 195 | dyna_linker: |
| 196 | /* r0 = virtual target address */ |
| 197 | /* r1 = instruction to patch */ |
| 198 | ldr r4, .tlbptr |
| 199 | lsr r5, r0, #12 |
| 200 | mov r12, r0 |
| 201 | cmp r0, #0xC0000000 |
| 202 | mov r6, #4096 |
| 203 | ldrge r12, [r4, r5, lsl #2] |
| 204 | mov r2, #0x80000 |
| 205 | ldr r3, .jiptr |
| 206 | tst r12, r12 |
| 207 | sub r6, r6, #1 |
| 208 | moveq r12, r0 |
| 209 | ldr r7, [r1] |
| 210 | eor r2, r2, r12, lsr #12 |
| 211 | and r6, r6, r12, lsr #12 |
| 212 | cmp r2, #2048 |
| 213 | add r12, r7, #2 |
| 214 | orrcs r2, r6, #2048 |
| 215 | ldr r5, [r3, r2, lsl #2] |
| 216 | lsl r12, r12, #8 |
| 217 | /* jump_in lookup */ |
| 218 | .A1: |
| 219 | movs r4, r5 |
| 220 | beq .A3 |
| 221 | ldr r3, [r5] |
| 222 | ldr r5, [r4, #12] |
| 223 | teq r3, r0 |
| 224 | bne .A1 |
| 225 | ldr r3, [r4, #4] |
| 226 | ldr r4, [r4, #8] |
| 227 | tst r3, r3 |
| 228 | bne .A1 |
| 229 | .A2: |
| 230 | mov r5, r1 |
| 231 | add r1, r1, r12, asr #6 |
| 232 | teq r1, r4 |
| 233 | moveq pc, r4 /* Stale i-cache */ |
| 234 | bl add_link |
| 235 | sub r2, r4, r5 |
| 236 | and r1, r7, #0xff000000 |
| 237 | lsl r2, r2, #6 |
| 238 | sub r1, r1, #2 |
| 239 | add r1, r1, r2, lsr #8 |
| 240 | str r1, [r5] |
| 241 | mov pc, r4 |
| 242 | .A3: |
| 243 | /* hash_table lookup */ |
| 244 | cmp r2, #2048 |
| 245 | ldr r3, .jdptr |
| 246 | eor r4, r0, r0, lsl #16 |
| 247 | lslcc r2, r0, #9 |
| 248 | ldr r6, .htptr |
| 249 | lsr r4, r4, #12 |
| 250 | lsrcc r2, r2, #21 |
| 251 | bic r4, r4, #15 |
| 252 | ldr r5, [r3, r2, lsl #2] |
| 253 | ldr r7, [r6, r4]! |
| 254 | teq r7, r0 |
| 255 | ldreq pc, [r6, #4] |
| 256 | ldr r7, [r6, #8] |
| 257 | teq r7, r0 |
| 258 | ldreq pc, [r6, #12] |
| 259 | /* jump_dirty lookup */ |
| 260 | .A6: |
| 261 | movs r4, r5 |
| 262 | beq .A8 |
| 263 | ldr r3, [r5] |
| 264 | ldr r5, [r4, #12] |
| 265 | teq r3, r0 |
| 266 | bne .A6 |
| 267 | .A7: |
| 268 | ldr r1, [r4, #8] |
| 269 | /* hash_table insert */ |
| 270 | ldr r2, [r6] |
| 271 | ldr r3, [r6, #4] |
| 272 | str r0, [r6] |
| 273 | str r1, [r6, #4] |
| 274 | str r2, [r6, #8] |
| 275 | str r3, [r6, #12] |
| 276 | mov pc, r1 |
| 277 | .A8: |
| 278 | mov r4, r0 |
| 279 | mov r5, r1 |
| 280 | bl new_recompile_block |
| 281 | tst r0, r0 |
| 282 | mov r0, r4 |
| 283 | mov r1, r5 |
| 284 | beq dyna_linker |
| 285 | /* pagefault */ |
| 286 | mov r1, r0 |
| 287 | mov r2, #8 |
| 288 | .size dyna_linker, .-dyna_linker |
| 289 | .type exec_pagefault, %function |
| 290 | exec_pagefault: |
| 291 | /* r0 = instruction pointer */ |
| 292 | /* r1 = fault address */ |
| 293 | /* r2 = cause */ |
| 294 | ldr r3, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 295 | mvn r6, #0xF000000F |
| 296 | ldr r4, [fp, #reg_cop0+16-dynarec_local] /* Context */ |
| 297 | bic r6, r6, #0x0F800000 |
| 298 | str r0, [fp, #reg_cop0+56-dynarec_local] /* EPC */ |
| 299 | orr r3, r3, #2 |
| 300 | str r1, [fp, #reg_cop0+32-dynarec_local] /* BadVAddr */ |
| 301 | bic r4, r4, r6 |
| 302 | str r3, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 303 | and r5, r6, r1, lsr #9 |
| 304 | str r2, [fp, #reg_cop0+52-dynarec_local] /* Cause */ |
| 305 | and r1, r1, r6, lsl #9 |
| 306 | str r1, [fp, #reg_cop0+40-dynarec_local] /* EntryHi */ |
| 307 | orr r4, r4, r5 |
| 308 | str r4, [fp, #reg_cop0+16-dynarec_local] /* Context */ |
| 309 | mov r0, #0x80000000 |
| 310 | bl get_addr_ht |
| 311 | mov pc, r0 |
| 312 | .size exec_pagefault, .-exec_pagefault |
| 313 | /* Special dynamic linker for the case where a page fault |
| 314 | may occur in a branch delay slot */ |
| 315 | .global dyna_linker_ds |
| 316 | .hidden dyna_linker_ds |
| 317 | .type dyna_linker_ds, %function |
| 318 | dyna_linker_ds: |
| 319 | /* r0 = virtual target address */ |
| 320 | /* r1 = instruction to patch */ |
| 321 | ldr r4, .tlbptr |
| 322 | lsr r5, r0, #12 |
| 323 | mov r12, r0 |
| 324 | cmp r0, #0xC0000000 |
| 325 | mov r6, #4096 |
| 326 | ldrge r12, [r4, r5, lsl #2] |
| 327 | mov r2, #0x80000 |
| 328 | ldr r3, .jiptr |
| 329 | tst r12, r12 |
| 330 | sub r6, r6, #1 |
| 331 | moveq r12, r0 |
| 332 | ldr r7, [r1] |
| 333 | eor r2, r2, r12, lsr #12 |
| 334 | and r6, r6, r12, lsr #12 |
| 335 | cmp r2, #2048 |
| 336 | add r12, r7, #2 |
| 337 | orrcs r2, r6, #2048 |
| 338 | ldr r5, [r3, r2, lsl #2] |
| 339 | lsl r12, r12, #8 |
| 340 | /* jump_in lookup */ |
| 341 | .B1: |
| 342 | movs r4, r5 |
| 343 | beq .B3 |
| 344 | ldr r3, [r5] |
| 345 | ldr r5, [r4, #12] |
| 346 | teq r3, r0 |
| 347 | bne .B1 |
| 348 | ldr r3, [r4, #4] |
| 349 | ldr r4, [r4, #8] |
| 350 | tst r3, r3 |
| 351 | bne .B1 |
| 352 | .B2: |
| 353 | mov r5, r1 |
| 354 | add r1, r1, r12, asr #6 |
| 355 | teq r1, r4 |
| 356 | moveq pc, r4 /* Stale i-cache */ |
| 357 | bl add_link |
| 358 | sub r2, r4, r5 |
| 359 | and r1, r7, #0xff000000 |
| 360 | lsl r2, r2, #6 |
| 361 | sub r1, r1, #2 |
| 362 | add r1, r1, r2, lsr #8 |
| 363 | str r1, [r5] |
| 364 | mov pc, r4 |
| 365 | .B3: |
| 366 | /* hash_table lookup */ |
| 367 | cmp r2, #2048 |
| 368 | ldr r3, .jdptr |
| 369 | eor r4, r0, r0, lsl #16 |
| 370 | lslcc r2, r0, #9 |
| 371 | ldr r6, .htptr |
| 372 | lsr r4, r4, #12 |
| 373 | lsrcc r2, r2, #21 |
| 374 | bic r4, r4, #15 |
| 375 | ldr r5, [r3, r2, lsl #2] |
| 376 | ldr r7, [r6, r4]! |
| 377 | teq r7, r0 |
| 378 | ldreq pc, [r6, #4] |
| 379 | ldr r7, [r6, #8] |
| 380 | teq r7, r0 |
| 381 | ldreq pc, [r6, #12] |
| 382 | /* jump_dirty lookup */ |
| 383 | .B6: |
| 384 | movs r4, r5 |
| 385 | beq .B8 |
| 386 | ldr r3, [r5] |
| 387 | ldr r5, [r4, #12] |
| 388 | teq r3, r0 |
| 389 | bne .B6 |
| 390 | .B7: |
| 391 | ldr r1, [r4, #8] |
| 392 | /* hash_table insert */ |
| 393 | ldr r2, [r6] |
| 394 | ldr r3, [r6, #4] |
| 395 | str r0, [r6] |
| 396 | str r1, [r6, #4] |
| 397 | str r2, [r6, #8] |
| 398 | str r3, [r6, #12] |
| 399 | mov pc, r1 |
| 400 | .B8: |
| 401 | mov r4, r0 |
| 402 | bic r0, r0, #7 |
| 403 | mov r5, r1 |
| 404 | orr r0, r0, #1 |
| 405 | bl new_recompile_block |
| 406 | tst r0, r0 |
| 407 | mov r0, r4 |
| 408 | mov r1, r5 |
| 409 | beq dyna_linker_ds |
| 410 | /* pagefault */ |
| 411 | bic r1, r0, #7 |
| 412 | mov r2, #0x80000008 /* High bit set indicates pagefault in delay slot */ |
| 413 | sub r0, r1, #4 |
| 414 | b exec_pagefault |
| 415 | .size dyna_linker_ds, .-dyna_linker_ds |
| 416 | .jiptr: |
| 417 | .word jump_in |
| 418 | .jdptr: |
| 419 | .word jump_dirty |
| 420 | .tlbptr: |
| 421 | .word tlb_LUT_r |
| 422 | .htptr: |
| 423 | .word hash_table |
| 424 | .align 2 |
| 425 | .global jump_vaddr_r0 |
| 426 | .hidden jump_vaddr_r0 |
| 427 | .type jump_vaddr_r0, %function |
| 428 | jump_vaddr_r0: |
| 429 | eor r2, r0, r0, lsl #16 |
| 430 | b jump_vaddr |
| 431 | .size jump_vaddr_r0, .-jump_vaddr_r0 |
| 432 | .global jump_vaddr_r1 |
| 433 | .hidden jump_vaddr_r1 |
| 434 | .type jump_vaddr_r1, %function |
| 435 | jump_vaddr_r1: |
| 436 | eor r2, r1, r1, lsl #16 |
| 437 | mov r0, r1 |
| 438 | b jump_vaddr |
| 439 | .size jump_vaddr_r1, .-jump_vaddr_r1 |
| 440 | .global jump_vaddr_r2 |
| 441 | .hidden jump_vaddr_r2 |
| 442 | .type jump_vaddr_r2, %function |
| 443 | jump_vaddr_r2: |
| 444 | mov r0, r2 |
| 445 | eor r2, r2, r2, lsl #16 |
| 446 | b jump_vaddr |
| 447 | .size jump_vaddr_r2, .-jump_vaddr_r2 |
| 448 | .global jump_vaddr_r3 |
| 449 | .hidden jump_vaddr_r3 |
| 450 | .type jump_vaddr_r3, %function |
| 451 | jump_vaddr_r3: |
| 452 | eor r2, r3, r3, lsl #16 |
| 453 | mov r0, r3 |
| 454 | b jump_vaddr |
| 455 | .size jump_vaddr_r3, .-jump_vaddr_r3 |
| 456 | .global jump_vaddr_r4 |
| 457 | .hidden jump_vaddr_r4 |
| 458 | .type jump_vaddr_r4, %function |
| 459 | jump_vaddr_r4: |
| 460 | eor r2, r4, r4, lsl #16 |
| 461 | mov r0, r4 |
| 462 | b jump_vaddr |
| 463 | .size jump_vaddr_r4, .-jump_vaddr_r4 |
| 464 | .global jump_vaddr_r5 |
| 465 | .hidden jump_vaddr_r5 |
| 466 | .type jump_vaddr_r5, %function |
| 467 | jump_vaddr_r5: |
| 468 | eor r2, r5, r5, lsl #16 |
| 469 | mov r0, r5 |
| 470 | b jump_vaddr |
| 471 | .size jump_vaddr_r5, .-jump_vaddr_r5 |
| 472 | .global jump_vaddr_r6 |
| 473 | .hidden jump_vaddr_r6 |
| 474 | .type jump_vaddr_r6, %function |
| 475 | jump_vaddr_r6: |
| 476 | eor r2, r6, r6, lsl #16 |
| 477 | mov r0, r6 |
| 478 | b jump_vaddr |
| 479 | .size jump_vaddr_r6, .-jump_vaddr_r6 |
| 480 | .global jump_vaddr_r8 |
| 481 | .hidden jump_vaddr_r8 |
| 482 | .type jump_vaddr_r8, %function |
| 483 | jump_vaddr_r8: |
| 484 | eor r2, r8, r8, lsl #16 |
| 485 | mov r0, r8 |
| 486 | b jump_vaddr |
| 487 | .size jump_vaddr_r8, .-jump_vaddr_r8 |
| 488 | .global jump_vaddr_r9 |
| 489 | .hidden jump_vaddr_r9 |
| 490 | .type jump_vaddr_r9, %function |
| 491 | jump_vaddr_r9: |
| 492 | eor r2, r9, r9, lsl #16 |
| 493 | mov r0, r9 |
| 494 | b jump_vaddr |
| 495 | .size jump_vaddr_r9, .-jump_vaddr_r9 |
| 496 | .global jump_vaddr_r10 |
| 497 | .hidden jump_vaddr_r10 |
| 498 | .type jump_vaddr_r10, %function |
| 499 | jump_vaddr_r10: |
| 500 | eor r2, r10, r10, lsl #16 |
| 501 | mov r0, r10 |
| 502 | b jump_vaddr |
| 503 | .size jump_vaddr_r10, .-jump_vaddr_r10 |
| 504 | .global jump_vaddr_r12 |
| 505 | .hidden jump_vaddr_r12 |
| 506 | .type jump_vaddr_r12, %function |
| 507 | jump_vaddr_r12: |
| 508 | eor r2, r12, r12, lsl #16 |
| 509 | mov r0, r12 |
| 510 | b jump_vaddr |
| 511 | .size jump_vaddr_r12, .-jump_vaddr_r12 |
| 512 | .global jump_vaddr_r7 |
| 513 | .hidden jump_vaddr_r7 |
| 514 | .type jump_vaddr_r7, %function |
| 515 | jump_vaddr_r7: |
| 516 | eor r2, r7, r7, lsl #16 |
| 517 | add r0, r7, #0 |
| 518 | .size jump_vaddr_r7, .-jump_vaddr_r7 |
| 519 | .global jump_vaddr |
| 520 | .hidden jump_vaddr |
| 521 | .type jump_vaddr, %function |
| 522 | jump_vaddr: |
| 523 | ldr r1, .htptr |
| 524 | mvn r3, #15 |
| 525 | and r2, r3, r2, lsr #12 |
| 526 | ldr r2, [r1, r2]! |
| 527 | teq r2, r0 |
| 528 | ldreq pc, [r1, #4] |
| 529 | ldr r2, [r1, #8] |
| 530 | teq r2, r0 |
| 531 | ldreq pc, [r1, #12] |
| 532 | str r10, [fp, #cycle_count-dynarec_local] |
| 533 | bl get_addr |
| 534 | ldr r10, [fp, #cycle_count-dynarec_local] |
| 535 | mov pc, r0 |
| 536 | .size jump_vaddr, .-jump_vaddr |
| 537 | .align 2 |
| 538 | .global verify_code_ds |
| 539 | .hidden verify_code_ds |
| 540 | .type verify_code_ds, %function |
| 541 | verify_code_ds: |
| 542 | str r8, [fp, #branch_target-dynarec_local] |
| 543 | .size verify_code_ds, .-verify_code_ds |
| 544 | .global verify_code_vm |
| 545 | .hidden verify_code_vm |
| 546 | .type verify_code_vm, %function |
| 547 | verify_code_vm: |
| 548 | /* r0 = instruction pointer (virtual address) */ |
| 549 | /* r1 = source (virtual address) */ |
| 550 | /* r2 = target */ |
| 551 | /* r3 = length */ |
| 552 | cmp r1, #0xC0000000 |
| 553 | blt verify_code |
| 554 | add r12, fp, #memory_map-dynarec_local |
| 555 | lsr r4, r1, #12 |
| 556 | add r5, r1, r3 |
| 557 | sub r5, #1 |
| 558 | ldr r6, [r12, r4, lsl #2] |
| 559 | lsr r5, r5, #12 |
| 560 | movs r7, r6 |
| 561 | bmi .D5 |
| 562 | add r1, r1, r6, lsl #2 |
| 563 | lsl r6, r6, #2 |
| 564 | .D1: |
| 565 | add r4, r4, #1 |
| 566 | teq r6, r7, lsl #2 |
| 567 | bne .D5 |
| 568 | ldr r7, [r12, r4, lsl #2] |
| 569 | cmp r4, r5 |
| 570 | bls .D1 |
| 571 | .size verify_code_vm, .-verify_code_vm |
| 572 | .global verify_code |
| 573 | .hidden verify_code |
| 574 | .type verify_code, %function |
| 575 | verify_code: |
| 576 | /* r1 = source */ |
| 577 | /* r2 = target */ |
| 578 | /* r3 = length */ |
| 579 | tst r3, #4 |
| 580 | mov r4, #0 |
| 581 | add r3, r1, r3 |
| 582 | mov r5, #0 |
| 583 | ldrne r4, [r1], #4 |
| 584 | mov r12, #0 |
| 585 | ldrne r5, [r2], #4 |
| 586 | teq r1, r3 |
| 587 | beq .D3 |
| 588 | .D2: |
| 589 | ldr r7, [r1], #4 |
| 590 | eor r9, r4, r5 |
| 591 | ldr r8, [r2], #4 |
| 592 | orrs r9, r9, r12 |
| 593 | bne .D4 |
| 594 | ldr r4, [r1], #4 |
| 595 | eor r12, r7, r8 |
| 596 | ldr r5, [r2], #4 |
| 597 | cmp r1, r3 |
| 598 | bcc .D2 |
| 599 | teq r7, r8 |
| 600 | .D3: |
| 601 | teqeq r4, r5 |
| 602 | .D4: |
| 603 | ldr r8, [fp, #branch_target-dynarec_local] |
| 604 | moveq pc, lr |
| 605 | .D5: |
| 606 | bl get_addr |
| 607 | mov pc, r0 |
| 608 | .size verify_code, .-verify_code |
| 609 | .align 2 |
| 610 | .global cc_interrupt |
| 611 | .hidden cc_interrupt |
| 612 | .type cc_interrupt, %function |
| 613 | cc_interrupt: |
| 614 | ldr r0, [fp, #last_count-dynarec_local] |
| 615 | mov r1, #0 |
| 616 | mov r2, #0x1fc |
| 617 | add r10, r0, r10 |
| 618 | str r1, [fp, #pending_exception-dynarec_local] |
| 619 | and r2, r2, r10, lsr #17 |
| 620 | add r3, fp, #restore_candidate-dynarec_local |
| 621 | str r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
| 622 | ldr r4, [r2, r3] |
| 623 | mov r10, lr |
| 624 | tst r4, r4 |
| 625 | bne .E4 |
| 626 | .E1: |
| 627 | bl gen_interupt |
| 628 | mov lr, r10 |
| 629 | ldr r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
| 630 | ldr r0, [fp, #next_interupt-dynarec_local] |
| 631 | ldr r1, [fp, #pending_exception-dynarec_local] |
| 632 | ldr r2, [fp, #stop-dynarec_local] |
| 633 | str r0, [fp, #last_count-dynarec_local] |
| 634 | sub r10, r10, r0 |
| 635 | tst r2, r2 |
| 636 | bne .E3 |
| 637 | tst r1, r1 |
| 638 | moveq pc, lr |
| 639 | .E2: |
| 640 | ldr r0, [fp, #pcaddr-dynarec_local] |
| 641 | bl get_addr_ht |
| 642 | mov pc, r0 |
| 643 | .E3: |
| 644 | add r12, fp, #28 |
| 645 | ldmia r12, {r4, r5, r6, r7, r8, r9, sl, fp, pc} |
| 646 | .E4: |
| 647 | /* Move 'dirty' blocks to the 'clean' list */ |
| 648 | lsl r5, r2, #3 |
| 649 | str r1, [r2, r3] |
| 650 | .E5: |
| 651 | lsrs r4, r4, #1 |
| 652 | mov r0, r5 |
| 653 | add r5, r5, #1 |
| 654 | blcs clean_blocks |
| 655 | tst r5, #31 |
| 656 | bne .E5 |
| 657 | b .E1 |
| 658 | |
| 659 | .size cc_interrupt, .-cc_interrupt |
| 660 | .align 2 |
| 661 | .global do_interrupt |
| 662 | .hidden do_interrupt |
| 663 | .type do_interrupt, %function |
| 664 | do_interrupt: |
| 665 | ldr r0, [fp, #pcaddr-dynarec_local] |
| 666 | bl get_addr_ht |
| 667 | ldr r1, [fp, #next_interupt-dynarec_local] |
| 668 | ldr r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
| 669 | str r1, [fp, #last_count-dynarec_local] |
| 670 | sub r10, r10, r1 |
| 671 | add r10, r10, #2 |
| 672 | mov pc, r0 |
| 673 | .size do_interrupt, .-do_interrupt |
| 674 | .align 2 |
| 675 | .global fp_exception |
| 676 | .hidden fp_exception |
| 677 | .type fp_exception, %function |
| 678 | fp_exception: |
| 679 | mov r2, #0x10000000 |
| 680 | .E7: |
| 681 | ldr r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 682 | mov r3, #0x80000000 |
| 683 | str r0, [fp, #reg_cop0+56-dynarec_local] /* EPC */ |
| 684 | orr r1, #2 |
| 685 | add r2, r2, #0x2c |
| 686 | str r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 687 | str r2, [fp, #reg_cop0+52-dynarec_local] /* Cause */ |
| 688 | add r0, r3, #0x180 |
| 689 | bl get_addr_ht |
| 690 | mov pc, r0 |
| 691 | .size fp_exception, .-fp_exception |
| 692 | .align 2 |
| 693 | .global fp_exception_ds |
| 694 | .hidden fp_exception_ds |
| 695 | .type fp_exception_ds, %function |
| 696 | fp_exception_ds: |
| 697 | mov r2, #0x90000000 /* Set high bit if delay slot */ |
| 698 | b .E7 |
| 699 | .size fp_exception_ds, .-fp_exception_ds |
| 700 | .align 2 |
| 701 | .global jump_syscall |
| 702 | .hidden jump_syscall |
| 703 | .type jump_syscall, %function |
| 704 | jump_syscall: |
| 705 | ldr r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 706 | mov r3, #0x80000000 |
| 707 | str r0, [fp, #reg_cop0+56-dynarec_local] /* EPC */ |
| 708 | orr r1, #2 |
| 709 | mov r2, #0x20 |
| 710 | str r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 711 | str r2, [fp, #reg_cop0+52-dynarec_local] /* Cause */ |
| 712 | add r0, r3, #0x180 |
| 713 | bl get_addr_ht |
| 714 | mov pc, r0 |
| 715 | .size jump_syscall, .-jump_syscall |
| 716 | .align 2 |
| 717 | .global indirect_jump_indexed |
| 718 | .hidden indirect_jump_indexed |
| 719 | .type indirect_jump_indexed, %function |
| 720 | indirect_jump_indexed: |
| 721 | ldr r0, [r0, r1, lsl #2] |
| 722 | .size indirect_jump_indexed, .-indirect_jump_indexed |
| 723 | .align 2 |
| 724 | .global indirect_jump |
| 725 | .hidden indirect_jump |
| 726 | .type indirect_jump, %function |
| 727 | indirect_jump: |
| 728 | ldr r12, [fp, #last_count-dynarec_local] |
| 729 | add r2, r2, r12 |
| 730 | str r2, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
| 731 | mov pc, r0 |
| 732 | .size indirect_jump, .-indirect_jump |
| 733 | .align 2 |
| 734 | .global jump_eret |
| 735 | .hidden jump_eret |
| 736 | .type jump_eret, %function |
| 737 | jump_eret: |
| 738 | ldr r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 739 | ldr r0, [fp, #last_count-dynarec_local] |
| 740 | bic r1, r1, #2 |
| 741 | add r10, r0, r10 |
| 742 | str r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 743 | str r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
| 744 | bl check_interupt |
| 745 | ldr r1, [fp, #next_interupt-dynarec_local] |
| 746 | ldr r0, [fp, #reg_cop0+56-dynarec_local] /* EPC */ |
| 747 | str r1, [fp, #last_count-dynarec_local] |
| 748 | subs r10, r10, r1 |
| 749 | bpl .E11 |
| 750 | .E8: |
| 751 | add r6, fp, #reg+256-dynarec_local |
| 752 | mov r5, #248 |
| 753 | mov r1, #0 |
| 754 | .E9: |
| 755 | ldr r2, [r6, #-8]! |
| 756 | ldr r3, [r6, #4] |
| 757 | eor r3, r3, r2, asr #31 |
| 758 | subs r3, r3, #1 |
| 759 | adc r1, r1, r1 |
| 760 | subs r5, r5, #8 |
| 761 | bne .E9 |
| 762 | ldr r2, [fp, #hi-dynarec_local] |
| 763 | ldr r3, [fp, #hi+4-dynarec_local] |
| 764 | eors r3, r3, r2, asr #31 |
| 765 | ldr r2, [fp, #lo-dynarec_local] |
| 766 | ldreq r3, [fp, #lo+4-dynarec_local] |
| 767 | eoreq r3, r3, r2, asr #31 |
| 768 | subs r3, r3, #1 |
| 769 | adc r1, r1, r1 |
| 770 | bl get_addr_32 |
| 771 | mov pc, r0 |
| 772 | .E11: |
| 773 | str r0, [fp, #pcaddr-dynarec_local] |
| 774 | bl cc_interrupt |
| 775 | ldr r0, [fp, #pcaddr-dynarec_local] |
| 776 | b .E8 |
| 777 | .size jump_eret, .-jump_eret |
| 778 | .align 2 |
| 779 | .global new_dyna_start |
| 780 | .hidden new_dyna_start |
| 781 | .type new_dyna_start, %function |
| 782 | new_dyna_start: |
| 783 | ldr r12, .dlptr |
| 784 | ldr r1, .tgtptr |
| 785 | mov r0, #0xa4000000 |
| 786 | stmia r12, {r4, r5, r6, r7, r8, r9, sl, fp, lr} |
| 787 | sub fp, r12, #28 |
| 788 | ldr r4, [r1] |
| 789 | add r0, r0, #0x40 |
| 790 | bl new_recompile_block |
| 791 | ldr r0, [fp, #next_interupt-dynarec_local] |
| 792 | ldr r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
| 793 | str r0, [fp, #last_count-dynarec_local] |
| 794 | sub r10, r10, r0 |
| 795 | mov pc, r4 |
| 796 | .dlptr: |
| 797 | .word dynarec_local+28 |
| 798 | .tgtptr: |
| 799 | .word out |
| 800 | .size new_dyna_start, .-new_dyna_start |
| 801 | .align 2 |
| 802 | .global invalidate_addr_r0 |
| 803 | .hidden invalidate_addr_r0 |
| 804 | .type invalidate_addr_r0, %function |
| 805 | invalidate_addr_r0: |
| 806 | stmia fp, {r0, r1, r2, r3, r12, lr} |
| 807 | lsr r0, r0, #12 |
| 808 | b invalidate_addr_call |
| 809 | .size invalidate_addr_r0, .-invalidate_addr_r0 |
| 810 | .align 2 |
| 811 | .global invalidate_addr_r1 |
| 812 | .hidden invalidate_addr_r1 |
| 813 | .type invalidate_addr_r1, %function |
| 814 | invalidate_addr_r1: |
| 815 | stmia fp, {r0, r1, r2, r3, r12, lr} |
| 816 | lsr r0, r1, #12 |
| 817 | b invalidate_addr_call |
| 818 | .size invalidate_addr_r1, .-invalidate_addr_r1 |
| 819 | .align 2 |
| 820 | .global invalidate_addr_r2 |
| 821 | .hidden invalidate_addr_r2 |
| 822 | .type invalidate_addr_r2, %function |
| 823 | invalidate_addr_r2: |
| 824 | stmia fp, {r0, r1, r2, r3, r12, lr} |
| 825 | lsr r0, r2, #12 |
| 826 | b invalidate_addr_call |
| 827 | .size invalidate_addr_r2, .-invalidate_addr_r2 |
| 828 | .align 2 |
| 829 | .global invalidate_addr_r3 |
| 830 | .hidden invalidate_addr_r3 |
| 831 | .type invalidate_addr_r3, %function |
| 832 | invalidate_addr_r3: |
| 833 | stmia fp, {r0, r1, r2, r3, r12, lr} |
| 834 | lsr r0, r3, #12 |
| 835 | b invalidate_addr_call |
| 836 | .size invalidate_addr_r3, .-invalidate_addr_r3 |
| 837 | .align 2 |
| 838 | .global invalidate_addr_r4 |
| 839 | .hidden invalidate_addr_r4 |
| 840 | .type invalidate_addr_r4, %function |
| 841 | invalidate_addr_r4: |
| 842 | stmia fp, {r0, r1, r2, r3, r12, lr} |
| 843 | lsr r0, r4, #12 |
| 844 | b invalidate_addr_call |
| 845 | .size invalidate_addr_r4, .-invalidate_addr_r4 |
| 846 | .align 2 |
| 847 | .global invalidate_addr_r5 |
| 848 | .hidden invalidate_addr_r5 |
| 849 | .type invalidate_addr_r5, %function |
| 850 | invalidate_addr_r5: |
| 851 | stmia fp, {r0, r1, r2, r3, r12, lr} |
| 852 | lsr r0, r5, #12 |
| 853 | b invalidate_addr_call |
| 854 | .size invalidate_addr_r5, .-invalidate_addr_r5 |
| 855 | .align 2 |
| 856 | .global invalidate_addr_r6 |
| 857 | .hidden invalidate_addr_r6 |
| 858 | .type invalidate_addr_r6, %function |
| 859 | invalidate_addr_r6: |
| 860 | stmia fp, {r0, r1, r2, r3, r12, lr} |
| 861 | lsr r0, r6, #12 |
| 862 | b invalidate_addr_call |
| 863 | .size invalidate_addr_r6, .-invalidate_addr_r6 |
| 864 | .align 2 |
| 865 | .global invalidate_addr_r7 |
| 866 | .hidden invalidate_addr_r7 |
| 867 | .type invalidate_addr_r7, %function |
| 868 | invalidate_addr_r7: |
| 869 | stmia fp, {r0, r1, r2, r3, r12, lr} |
| 870 | lsr r0, r7, #12 |
| 871 | b invalidate_addr_call |
| 872 | .size invalidate_addr_r7, .-invalidate_addr_r7 |
| 873 | .align 2 |
| 874 | .global invalidate_addr_r8 |
| 875 | .hidden invalidate_addr_r8 |
| 876 | .type invalidate_addr_r8, %function |
| 877 | invalidate_addr_r8: |
| 878 | stmia fp, {r0, r1, r2, r3, r12, lr} |
| 879 | lsr r0, r8, #12 |
| 880 | b invalidate_addr_call |
| 881 | .size invalidate_addr_r8, .-invalidate_addr_r8 |
| 882 | .align 2 |
| 883 | .global invalidate_addr_r9 |
| 884 | .hidden invalidate_addr_r9 |
| 885 | .type invalidate_addr_r9, %function |
| 886 | invalidate_addr_r9: |
| 887 | stmia fp, {r0, r1, r2, r3, r12, lr} |
| 888 | lsr r0, r9, #12 |
| 889 | b invalidate_addr_call |
| 890 | .size invalidate_addr_r9, .-invalidate_addr_r9 |
| 891 | .align 2 |
| 892 | .global invalidate_addr_r10 |
| 893 | .hidden invalidate_addr_r10 |
| 894 | .type invalidate_addr_r10, %function |
| 895 | invalidate_addr_r10: |
| 896 | stmia fp, {r0, r1, r2, r3, r12, lr} |
| 897 | lsr r0, r10, #12 |
| 898 | b invalidate_addr_call |
| 899 | .size invalidate_addr_r10, .-invalidate_addr_r10 |
| 900 | .align 2 |
| 901 | .global invalidate_addr_r12 |
| 902 | .hidden invalidate_addr_r12 |
| 903 | .type invalidate_addr_r12, %function |
| 904 | invalidate_addr_r12: |
| 905 | stmia fp, {r0, r1, r2, r3, r12, lr} |
| 906 | lsr r0, r12, #12 |
| 907 | .size invalidate_addr_r12, .-invalidate_addr_r12 |
| 908 | .align 2 |
| 909 | .type invalidate_addr_call, %function |
| 910 | invalidate_addr_call: |
| 911 | bl invalidate_block |
| 912 | ldmia fp, {r0, r1, r2, r3, r12, pc} |
| 913 | .size invalidate_addr_call, .-invalidate_addr_call |
| 914 | .align 2 |
| 915 | .global write_rdram_new |
| 916 | .hidden write_rdram_new |
| 917 | .type write_rdram_new, %function |
| 918 | write_rdram_new: |
| 919 | ldr r3, [fp, #ram_offset-dynarec_local] |
| 920 | ldr r2, [fp, #address-dynarec_local] |
| 921 | ldr r0, [fp, #word-dynarec_local] |
| 922 | str r0, [r2, r3, lsl #2] |
| 923 | b .E12 |
| 924 | .size write_rdram_new, .-write_rdram_new |
| 925 | .align 2 |
| 926 | .global write_rdramb_new |
| 927 | .hidden write_rdramb_new |
| 928 | .type write_rdramb_new, %function |
| 929 | write_rdramb_new: |
| 930 | ldr r3, [fp, #ram_offset-dynarec_local] |
| 931 | ldr r2, [fp, #address-dynarec_local] |
| 932 | ldrb r0, [fp, #cpu_byte-dynarec_local] |
| 933 | eor r2, r2, #3 |
| 934 | strb r0, [r2, r3, lsl #2] |
| 935 | b .E12 |
| 936 | .size write_rdramb_new, .-write_rdramb_new |
| 937 | .align 2 |
| 938 | .global write_rdramh_new |
| 939 | .hidden write_rdramh_new |
| 940 | .type write_rdramh_new, %function |
| 941 | write_rdramh_new: |
| 942 | ldr r3, [fp, #ram_offset-dynarec_local] |
| 943 | ldr r2, [fp, #address-dynarec_local] |
| 944 | ldrh r0, [fp, #hword-dynarec_local] |
| 945 | eor r2, r2, #2 |
| 946 | lsl r3, r3, #2 |
| 947 | strh r0, [r2, r3] |
| 948 | b .E12 |
| 949 | .size write_rdramh_new, .-write_rdramh_new |
| 950 | .align 2 |
| 951 | .global write_rdramd_new |
| 952 | .hidden write_rdramd_new |
| 953 | .type write_rdramd_new, %function |
| 954 | write_rdramd_new: |
| 955 | ldr r3, [fp, #ram_offset-dynarec_local] |
| 956 | ldr r2, [fp, #address-dynarec_local] |
| 957 | /* ldrd r0, [fp, #dword-dynarec_local]*/ |
| 958 | ldr r0, [fp, #dword-dynarec_local] |
| 959 | ldr r1, [fp, #dword+4-dynarec_local] |
| 960 | add r3, r2, r3, lsl #2 |
| 961 | str r0, [r3, #4] |
| 962 | str r1, [r3] |
| 963 | b .E12 |
| 964 | .size write_rdramd_new, .-write_rdramd_new |
| 965 | .align 2 |
| 966 | .type do_invalidate, %function |
| 967 | do_invalidate: |
| 968 | ldr r2, [fp, #address-dynarec_local] |
| 969 | .E12: |
| 970 | ldr r1, [fp, #invc_ptr-dynarec_local] |
| 971 | lsr r0, r2, #12 |
| 972 | ldrb r2, [r1, r0] |
| 973 | tst r2, r2 |
| 974 | beq invalidate_block |
| 975 | mov pc, lr |
| 976 | .size do_invalidate, .-do_invalidate |
| 977 | .align 2 |
| 978 | .global read_nomem_new |
| 979 | .hidden read_nomem_new |
| 980 | .type read_nomem_new, %function |
| 981 | read_nomem_new: |
| 982 | ldr r2, [fp, #address-dynarec_local] |
| 983 | add r12, fp, #memory_map-dynarec_local |
| 984 | lsr r0, r2, #12 |
| 985 | ldr r12, [r12, r0, lsl #2] |
| 986 | mov r1, #8 |
| 987 | tst r12, r12 |
| 988 | bmi tlb_exception |
| 989 | ldr r0, [r2, r12, lsl #2] |
| 990 | str r0, [fp, #readmem_dword-dynarec_local] |
| 991 | mov pc, lr |
| 992 | .size read_nomem_new, .-read_nomem_new |
| 993 | .align 2 |
| 994 | .global read_nomemb_new |
| 995 | .hidden read_nomemb_new |
| 996 | .type read_nomemb_new, %function |
| 997 | read_nomemb_new: |
| 998 | ldr r2, [fp, #address-dynarec_local] |
| 999 | add r12, fp, #memory_map-dynarec_local |
| 1000 | lsr r0, r2, #12 |
| 1001 | ldr r12, [r12, r0, lsl #2] |
| 1002 | mov r1, #8 |
| 1003 | tst r12, r12 |
| 1004 | bmi tlb_exception |
| 1005 | eor r2, r2, #3 |
| 1006 | ldrb r0, [r2, r12, lsl #2] |
| 1007 | str r0, [fp, #readmem_dword-dynarec_local] |
| 1008 | mov pc, lr |
| 1009 | .size read_nomemb_new, .-read_nomemb_new |
| 1010 | .align 2 |
| 1011 | .global read_nomemh_new |
| 1012 | .hidden read_nomemh_new |
| 1013 | .type read_nomemh_new, %function |
| 1014 | read_nomemh_new: |
| 1015 | ldr r2, [fp, #address-dynarec_local] |
| 1016 | add r12, fp, #memory_map-dynarec_local |
| 1017 | lsr r0, r2, #12 |
| 1018 | ldr r12, [r12, r0, lsl #2] |
| 1019 | mov r1, #8 |
| 1020 | tst r12, r12 |
| 1021 | bmi tlb_exception |
| 1022 | lsl r12, r12, #2 |
| 1023 | eor r2, r2, #2 |
| 1024 | ldrh r0, [r2, r12] |
| 1025 | str r0, [fp, #readmem_dword-dynarec_local] |
| 1026 | mov pc, lr |
| 1027 | .size read_nomemh_new, .-read_nomemh_new |
| 1028 | .align 2 |
| 1029 | .global read_nomemd_new |
| 1030 | .hidden read_nomemd_new |
| 1031 | .type read_nomemd_new, %function |
| 1032 | read_nomemd_new: |
| 1033 | ldr r2, [fp, #address-dynarec_local] |
| 1034 | add r12, fp, #memory_map-dynarec_local |
| 1035 | lsr r0, r2, #12 |
| 1036 | ldr r12, [r12, r0, lsl #2] |
| 1037 | mov r1, #8 |
| 1038 | tst r12, r12 |
| 1039 | bmi tlb_exception |
| 1040 | lsl r12, r12, #2 |
| 1041 | /* ldrd r0, [r2, r12]*/ |
| 1042 | add r3, r2, #4 |
| 1043 | ldr r0, [r2, r12] |
| 1044 | ldr r1, [r3, r12] |
| 1045 | str r0, [fp, #readmem_dword+4-dynarec_local] |
| 1046 | str r1, [fp, #readmem_dword-dynarec_local] |
| 1047 | mov pc, lr |
| 1048 | .size read_nomemd_new, .-read_nomemd_new |
| 1049 | .align 2 |
| 1050 | .global write_nomem_new |
| 1051 | .hidden write_nomem_new |
| 1052 | .type write_nomem_new, %function |
| 1053 | write_nomem_new: |
| 1054 | str r3, [fp, #24] |
| 1055 | str lr, [fp, #28] |
| 1056 | bl do_invalidate |
| 1057 | ldr r2, [fp, #address-dynarec_local] |
| 1058 | add r12, fp, #memory_map-dynarec_local |
| 1059 | ldr lr, [fp, #28] |
| 1060 | lsr r0, r2, #12 |
| 1061 | ldr r3, [fp, #24] |
| 1062 | ldr r12, [r12, r0, lsl #2] |
| 1063 | mov r1, #0xc |
| 1064 | tst r12, #0x40000000 |
| 1065 | bne tlb_exception |
| 1066 | ldr r0, [fp, #word-dynarec_local] |
| 1067 | str r0, [r2, r12, lsl #2] |
| 1068 | mov pc, lr |
| 1069 | .size write_nomem_new, .-write_nomem_new |
| 1070 | .align 2 |
| 1071 | .global write_nomemb_new |
| 1072 | .hidden write_nomemb_new |
| 1073 | .type write_nomemb_new, %function |
| 1074 | write_nomemb_new: |
| 1075 | str r3, [fp, #24] |
| 1076 | str lr, [fp, #28] |
| 1077 | bl do_invalidate |
| 1078 | ldr r2, [fp, #address-dynarec_local] |
| 1079 | add r12, fp, #memory_map-dynarec_local |
| 1080 | ldr lr, [fp, #28] |
| 1081 | lsr r0, r2, #12 |
| 1082 | ldr r3, [fp, #24] |
| 1083 | ldr r12, [r12, r0, lsl #2] |
| 1084 | mov r1, #0xc |
| 1085 | tst r12, #0x40000000 |
| 1086 | bne tlb_exception |
| 1087 | eor r2, r2, #3 |
| 1088 | ldrb r0, [fp, #cpu_byte-dynarec_local] |
| 1089 | strb r0, [r2, r12, lsl #2] |
| 1090 | mov pc, lr |
| 1091 | .size write_nomemb_new, .-write_nomemb_new |
| 1092 | .align 2 |
| 1093 | .global write_nomemh_new |
| 1094 | .hidden write_nomemh_new |
| 1095 | .type write_nomemh_new, %function |
| 1096 | write_nomemh_new: |
| 1097 | str r3, [fp, #24] |
| 1098 | str lr, [fp, #28] |
| 1099 | bl do_invalidate |
| 1100 | ldr r2, [fp, #address-dynarec_local] |
| 1101 | add r12, fp, #memory_map-dynarec_local |
| 1102 | ldr lr, [fp, #28] |
| 1103 | lsr r0, r2, #12 |
| 1104 | ldr r3, [fp, #24] |
| 1105 | ldr r12, [r12, r0, lsl #2] |
| 1106 | mov r1, #0xc |
| 1107 | lsls r12, #2 |
| 1108 | bcs tlb_exception |
| 1109 | eor r2, r2, #2 |
| 1110 | ldrh r0, [fp, #hword-dynarec_local] |
| 1111 | strh r0, [r2, r12] |
| 1112 | mov pc, lr |
| 1113 | .size write_nomemh_new, .-write_nomemh_new |
| 1114 | .align 2 |
| 1115 | .global write_nomemd_new |
| 1116 | .hidden write_nomemd_new |
| 1117 | .type write_nomemd_new, %function |
| 1118 | write_nomemd_new: |
| 1119 | str r3, [fp, #24] |
| 1120 | str lr, [fp, #28] |
| 1121 | bl do_invalidate |
| 1122 | ldr r2, [fp, #address-dynarec_local] |
| 1123 | add r12, fp, #memory_map-dynarec_local |
| 1124 | ldr lr, [fp, #28] |
| 1125 | lsr r0, r2, #12 |
| 1126 | ldr r3, [fp, #24] |
| 1127 | ldr r12, [r12, r0, lsl #2] |
| 1128 | mov r1, #0xc |
| 1129 | lsls r12, #2 |
| 1130 | bcs tlb_exception |
| 1131 | add r3, r2, #4 |
| 1132 | ldr r0, [fp, #dword+4-dynarec_local] |
| 1133 | ldr r1, [fp, #dword-dynarec_local] |
| 1134 | /* strd r0, [r2, r12]*/ |
| 1135 | str r0, [r2, r12] |
| 1136 | str r1, [r3, r12] |
| 1137 | mov pc, lr |
| 1138 | .size write_nomemd_new, .-write_nomemd_new |
| 1139 | .align 2 |
| 1140 | .type tlb_exception, %function |
| 1141 | tlb_exception: |
| 1142 | /* r1 = cause */ |
| 1143 | /* r2 = address */ |
| 1144 | /* r3 = instr addr/flags */ |
| 1145 | ldr r4, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 1146 | add r5, fp, #memory_map-dynarec_local |
| 1147 | lsr r6, r3, #12 |
| 1148 | orr r1, r1, r3, lsl #31 |
| 1149 | orr r4, r4, #2 |
| 1150 | ldr r7, [r5, r6, lsl #2] |
| 1151 | bic r8, r3, #3 |
| 1152 | str r4, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 1153 | mov r6, #0x6000000 |
| 1154 | str r1, [fp, #reg_cop0+52-dynarec_local] /* Cause */ |
| 1155 | orr r6, r6, #0x22 |
| 1156 | ldr r0, [r8, r7, lsl #2] |
| 1157 | add r4, r8, r1, asr #29 |
| 1158 | add r5, fp, #reg-dynarec_local |
| 1159 | str r4, [fp, #reg_cop0+56-dynarec_local] /* EPC */ |
| 1160 | mov r7, #0xf8 |
| 1161 | ldr r8, [fp, #reg_cop0+16-dynarec_local] /* Context */ |
| 1162 | lsl r1, r0, #16 |
| 1163 | lsr r4, r0, #26 |
| 1164 | and r7, r7, r0, lsr #18 |
| 1165 | mvn r9, #0xF000000F |
| 1166 | sub r2, r2, r1, asr #16 |
| 1167 | bic r9, r9, #0x0F800000 |
| 1168 | rors r6, r6, r4 |
| 1169 | mov r0, #0x80000000 |
| 1170 | ldrcs r2, [r5, r7] |
| 1171 | bic r8, r8, r9 |
| 1172 | tst r3, #2 |
| 1173 | str r2, [r5, r7] |
| 1174 | add r4, r2, r1, asr #16 |
| 1175 | add r6, fp, #reg+4-dynarec_local |
| 1176 | asr r3, r2, #31 |
| 1177 | str r4, [fp, #reg_cop0+32-dynarec_local] /* BadVAddr */ |
| 1178 | add r0, r0, #0x180 |
| 1179 | and r4, r9, r4, lsr #9 |
| 1180 | strne r3, [r6, r7] |
| 1181 | orr r8, r8, r4 |
| 1182 | str r8, [fp, #reg_cop0+16-dynarec_local] /* Context */ |
| 1183 | bl get_addr_ht |
| 1184 | ldr r1, [fp, #next_interupt-dynarec_local] |
| 1185 | ldr r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
| 1186 | str r1, [fp, #last_count-dynarec_local] |
| 1187 | sub r10, r10, r1 |
| 1188 | mov pc, r0 |
| 1189 | .size tlb_exception, .-tlb_exception |
| 1190 | .align 2 |
| 1191 | .global breakpoint |
| 1192 | .hidden breakpoint |
| 1193 | .type breakpoint, %function |
| 1194 | breakpoint: |
| 1195 | /* Set breakpoint here for debugging */ |
| 1196 | mov pc, lr |
| 1197 | .size breakpoint, .-breakpoint |
| 1198 | /* The following bug-fix implements __clear_cache (missing in Android) */ |
| 1199 | .align 2 |
| 1200 | .global __clear_cache_bugfix |
| 1201 | .hidden __clear_cache_bugfix |
| 1202 | .type __clear_cache_bugfix, %function |
| 1203 | __clear_cache_bugfix: |
| 1204 | push {r7, lr} |
| 1205 | mov r2, #0 |
| 1206 | mov r7, #0x2 |
| 1207 | add r7, r7, #0xf0000 |
| 1208 | svc 0x00000000 |
| 1209 | pop {r7, pc} |
| 1210 | .size __clear_cache_bugfix, .-__clear_cache_bugfix |
| 1211 | /* End of bug-fix */ |
| 1212 | .section .note.GNU-stack,"",%progbits |
notaz.gp2x.de / mupen64plus-pandora.git / blame