| 57871462 |
1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
| 2 | * Mupen64plus - linkage_arm.s * |
| 3 | * Copyright (C) 2009-2010 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 rdram |
| 32 | rdram = 0x80000000 |
| 33 | .global dynarec_local |
| 34 | .global reg |
| 35 | .global hi |
| 36 | .global lo |
| 37 | .global reg_cop1_simple |
| 38 | .global reg_cop1_double |
| 39 | .global reg_cop0 |
| 40 | .global FCR0 |
| 41 | .global FCR31 |
| 42 | .global rounding_modes |
| 43 | .global next_interupt |
| 44 | .global cycle_count |
| 45 | .global last_count |
| 46 | .global pending_exception |
| 47 | .global pcaddr |
| 48 | .global stop |
| 49 | .global invc_ptr |
| 50 | .global address |
| 51 | .global readmem_dword |
| 52 | .global dword |
| 53 | .global word |
| 54 | .global hword |
| 55 | .global byte |
| 56 | .global branch_target |
| 57 | .global PC |
| 58 | .global fake_pc |
| 59 | .global mini_ht |
| 60 | .global restore_candidate |
| 61 | .global memory_map |
| 62 | .bss |
| 63 | .align 4 |
| 64 | .type dynarec_local, %object |
| 65 | .size dynarec_local, 64 |
| 66 | dynarec_local: |
| 67 | .space 64+16+16+8+8+8+8+256+8+8+128+128+128+16+8+132+4+256+512+4194304 |
| 68 | next_interupt = dynarec_local + 64 |
| 69 | .type next_interupt, %object |
| 70 | .size next_interupt, 4 |
| 71 | cycle_count = next_interupt + 4 |
| 72 | .type cycle_count, %object |
| 73 | .size cycle_count, 4 |
| 74 | last_count = cycle_count + 4 |
| 75 | .type last_count, %object |
| 76 | .size last_count, 4 |
| 77 | pending_exception = last_count + 4 |
| 78 | .type pending_exception, %object |
| 79 | .size pending_exception, 4 |
| 80 | pcaddr = pending_exception + 4 |
| 81 | .type pcaddr, %object |
| 82 | .size pcaddr, 4 |
| 83 | stop = pcaddr + 4 |
| 84 | .type stop, %object |
| 85 | .size stop, 4 |
| 86 | invc_ptr = stop + 4 |
| 87 | .type invc_ptr, %object |
| 88 | .size invc_ptr, 4 |
| 89 | address = invc_ptr + 4 |
| 90 | .type address, %object |
| 91 | .size address, 4 |
| 92 | readmem_dword = address + 4 |
| 93 | .type readmem_dword, %object |
| 94 | .size readmem_dword, 8 |
| 95 | dword = readmem_dword + 8 |
| 96 | .type dword, %object |
| 97 | .size dword, 8 |
| 98 | word = dword + 8 |
| 99 | .type word, %object |
| 100 | .size word, 4 |
| 101 | hword = word + 4 |
| 102 | .type hword, %object |
| 103 | .size hword, 2 |
| 104 | byte = hword + 2 |
| 105 | .type byte, %object |
| 106 | .size byte, 1 /* 1 byte free */ |
| 107 | FCR0 = hword + 4 |
| 108 | .type FCR0, %object |
| 109 | .size FCR0, 4 |
| 110 | FCR31 = FCR0 + 4 |
| 111 | .type FCR31, %object |
| 112 | .size FCR31, 4 |
| 113 | reg = FCR31 + 4 |
| 114 | .type reg, %object |
| 115 | .size reg, 256 |
| 116 | hi = reg + 256 |
| 117 | .type hi, %object |
| 118 | .size hi, 8 |
| 119 | lo = hi + 8 |
| 120 | .type lo, %object |
| 121 | .size lo, 8 |
| 122 | reg_cop0 = lo + 8 |
| 123 | .type reg_cop0, %object |
| 124 | .size reg_cop0, 128 |
| 125 | reg_cop1_simple = reg_cop0 + 128 |
| 126 | .type reg_cop1_simple, %object |
| 127 | .size reg_cop1_simple, 128 |
| 128 | reg_cop1_double = reg_cop1_simple + 128 |
| 129 | .type reg_cop1_double, %object |
| 130 | .size reg_cop1_double, 128 |
| 131 | rounding_modes = reg_cop1_double + 128 |
| 132 | .type rounding_modes, %object |
| 133 | .size rounding_modes, 16 |
| 134 | branch_target = rounding_modes + 16 |
| 135 | .type branch_target, %object |
| 136 | .size branch_target, 4 |
| 137 | PC = branch_target + 4 |
| 138 | .type PC, %object |
| 139 | .size PC, 4 |
| 140 | fake_pc = PC + 4 |
| 141 | .type fake_pc, %object |
| 142 | .size fake_pc, 132 |
| 143 | /* 4 bytes free */ |
| 144 | mini_ht = fake_pc + 136 |
| 145 | .type mini_ht, %object |
| 146 | .size mini_ht, 256 |
| 147 | restore_candidate = mini_ht + 256 |
| 148 | .type restore_candidate, %object |
| 149 | .size restore_candidate, 512 |
| 150 | memory_map = restore_candidate + 512 |
| 151 | .type memory_map, %object |
| 152 | .size memory_map, 4194304 |
| 153 | |
| 154 | .text |
| 155 | .align 2 |
| 156 | .global dyna_linker |
| 157 | .type dyna_linker, %function |
| 158 | dyna_linker: |
| 159 | /* r0 = virtual target address */ |
| 160 | /* r1 = instruction to patch */ |
| 161 | ldr r4, .tlbptr |
| 162 | lsr r5, r0, #12 |
| 163 | mov r12, r0 |
| 164 | cmp r0, #0xC0000000 |
| 165 | mov r6, #4096 |
| 166 | ldrge r12, [r4, r5, lsl #2] |
| 167 | mov r2, #0x80000 |
| 168 | ldr r3, .jiptr |
| 169 | tst r12, r12 |
| 170 | sub r6, r6, #1 |
| 171 | moveq r12, r0 |
| 172 | ldr r7, [r1] |
| 173 | eor r2, r2, r12, lsr #12 |
| 174 | and r6, r6, r12, lsr #12 |
| 175 | cmp r2, #2048 |
| 176 | add r12, r7, #2 |
| 177 | orrcs r2, r6, #2048 |
| 178 | ldr r5, [r3, r2, lsl #2] |
| 179 | lsl r12, r12, #8 |
| 180 | /* jump_in lookup */ |
| 181 | .A1: |
| 182 | movs r4, r5 |
| 183 | beq .A3 |
| 184 | ldr r3, [r5] |
| 185 | ldr r5, [r4, #12] |
| 186 | teq r3, r0 |
| 187 | bne .A1 |
| 188 | ldr r3, [r4, #4] |
| 189 | ldr r4, [r4, #8] |
| 190 | tst r3, r3 |
| 191 | bne .A1 |
| 192 | .A2: |
| 193 | mov r5, r1 |
| 194 | add r1, r1, r12, asr #6 |
| 195 | teq r1, r4 |
| 196 | moveq pc, r4 /* Stale i-cache */ |
| 197 | bl add_link |
| 198 | sub r2, r4, r5 |
| 199 | and r1, r7, #0xff000000 |
| 200 | lsl r2, r2, #6 |
| 201 | sub r1, r1, #2 |
| 202 | add r1, r1, r2, lsr #8 |
| 203 | str r1, [r5] |
| 204 | mov pc, r4 |
| 205 | .A3: |
| 206 | /* hash_table lookup */ |
| 207 | cmp r2, #2048 |
| 208 | ldr r3, .jdptr |
| 209 | eor r4, r0, r0, lsl #16 |
| 210 | lslcc r2, r0, #9 |
| 211 | ldr r6, .htptr |
| 212 | lsr r4, r4, #12 |
| 213 | lsrcc r2, r2, #21 |
| 214 | bic r4, r4, #15 |
| 215 | ldr r5, [r3, r2, lsl #2] |
| 216 | ldr r7, [r6, r4]! |
| 217 | teq r7, r0 |
| 218 | ldreq pc, [r6, #4] |
| 219 | ldr r7, [r6, #8] |
| 220 | teq r7, r0 |
| 221 | ldreq pc, [r6, #12] |
| 222 | /* jump_dirty lookup */ |
| 223 | .A6: |
| 224 | movs r4, r5 |
| 225 | beq .A8 |
| 226 | ldr r3, [r5] |
| 227 | ldr r5, [r4, #12] |
| 228 | teq r3, r0 |
| 229 | bne .A6 |
| 230 | .A7: |
| 231 | ldr r1, [r4, #8] |
| 232 | /* hash_table insert */ |
| 233 | ldr r2, [r6] |
| 234 | ldr r3, [r6, #4] |
| 235 | str r0, [r6] |
| 236 | str r1, [r6, #4] |
| 237 | str r2, [r6, #8] |
| 238 | str r3, [r6, #12] |
| 239 | mov pc, r1 |
| 240 | .A8: |
| 241 | mov r4, r0 |
| 242 | mov r5, r1 |
| 243 | bl new_recompile_block |
| 244 | tst r0, r0 |
| 245 | mov r0, r4 |
| 246 | mov r1, r5 |
| 247 | beq dyna_linker |
| 248 | /* pagefault */ |
| 249 | mov r1, r0 |
| 250 | mov r2, #8 |
| 251 | .size dyna_linker, .-dyna_linker |
| 252 | .global exec_pagefault |
| 253 | .type exec_pagefault, %function |
| 254 | exec_pagefault: |
| 255 | /* r0 = instruction pointer */ |
| 256 | /* r1 = fault address */ |
| 257 | /* r2 = cause */ |
| 258 | ldr r3, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 259 | mvn r6, #0xF000000F |
| 260 | ldr r4, [fp, #reg_cop0+16-dynarec_local] /* Context */ |
| 261 | bic r6, r6, #0x0F800000 |
| 262 | str r0, [fp, #reg_cop0+56-dynarec_local] /* EPC */ |
| 263 | orr r3, r3, #2 |
| 264 | str r1, [fp, #reg_cop0+32-dynarec_local] /* BadVAddr */ |
| 265 | bic r4, r4, r6 |
| 266 | str r3, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 267 | and r5, r6, r1, lsr #9 |
| 268 | str r2, [fp, #reg_cop0+52-dynarec_local] /* Cause */ |
| 269 | and r1, r1, r6, lsl #9 |
| 270 | str r1, [fp, #reg_cop0+40-dynarec_local] /* EntryHi */ |
| 271 | orr r4, r4, r5 |
| 272 | str r4, [fp, #reg_cop0+16-dynarec_local] /* Context */ |
| 273 | mov r0, #0x80000000 |
| 274 | bl get_addr_ht |
| 275 | mov pc, r0 |
| 276 | .size exec_pagefault, .-exec_pagefault |
| 277 | /* Special dynamic linker for the case where a page fault |
| 278 | may occur in a branch delay slot */ |
| 279 | .global dyna_linker_ds |
| 280 | .type dyna_linker_ds, %function |
| 281 | dyna_linker_ds: |
| 282 | /* r0 = virtual target address */ |
| 283 | /* r1 = instruction to patch */ |
| 284 | ldr r4, .tlbptr |
| 285 | lsr r5, r0, #12 |
| 286 | mov r12, r0 |
| 287 | cmp r0, #0xC0000000 |
| 288 | mov r6, #4096 |
| 289 | ldrge r12, [r4, r5, lsl #2] |
| 290 | mov r2, #0x80000 |
| 291 | ldr r3, .jiptr |
| 292 | tst r12, r12 |
| 293 | sub r6, r6, #1 |
| 294 | moveq r12, r0 |
| 295 | ldr r7, [r1] |
| 296 | eor r2, r2, r12, lsr #12 |
| 297 | and r6, r6, r12, lsr #12 |
| 298 | cmp r2, #2048 |
| 299 | add r12, r7, #2 |
| 300 | orrcs r2, r6, #2048 |
| 301 | ldr r5, [r3, r2, lsl #2] |
| 302 | lsl r12, r12, #8 |
| 303 | /* jump_in lookup */ |
| 304 | .B1: |
| 305 | movs r4, r5 |
| 306 | beq .B3 |
| 307 | ldr r3, [r5] |
| 308 | ldr r5, [r4, #12] |
| 309 | teq r3, r0 |
| 310 | bne .B1 |
| 311 | ldr r3, [r4, #4] |
| 312 | ldr r4, [r4, #8] |
| 313 | tst r3, r3 |
| 314 | bne .B1 |
| 315 | .B2: |
| 316 | mov r5, r1 |
| 317 | add r1, r1, r12, asr #6 |
| 318 | teq r1, r4 |
| 319 | moveq pc, r4 /* Stale i-cache */ |
| 320 | bl add_link |
| 321 | sub r2, r4, r5 |
| 322 | and r1, r7, #0xff000000 |
| 323 | lsl r2, r2, #6 |
| 324 | sub r1, r1, #2 |
| 325 | add r1, r1, r2, lsr #8 |
| 326 | str r1, [r5] |
| 327 | mov pc, r4 |
| 328 | .B3: |
| 329 | /* hash_table lookup */ |
| 330 | cmp r2, #2048 |
| 331 | ldr r3, .jdptr |
| 332 | eor r4, r0, r0, lsl #16 |
| 333 | lslcc r2, r0, #9 |
| 334 | ldr r6, .htptr |
| 335 | lsr r4, r4, #12 |
| 336 | lsrcc r2, r2, #21 |
| 337 | bic r4, r4, #15 |
| 338 | ldr r5, [r3, r2, lsl #2] |
| 339 | ldr r7, [r6, r4]! |
| 340 | teq r7, r0 |
| 341 | ldreq pc, [r6, #4] |
| 342 | ldr r7, [r6, #8] |
| 343 | teq r7, r0 |
| 344 | ldreq pc, [r6, #12] |
| 345 | /* jump_dirty lookup */ |
| 346 | .B6: |
| 347 | movs r4, r5 |
| 348 | beq .B8 |
| 349 | ldr r3, [r5] |
| 350 | ldr r5, [r4, #12] |
| 351 | teq r3, r0 |
| 352 | bne .B6 |
| 353 | .B7: |
| 354 | ldr r1, [r4, #8] |
| 355 | /* hash_table insert */ |
| 356 | ldr r2, [r6] |
| 357 | ldr r3, [r6, #4] |
| 358 | str r0, [r6] |
| 359 | str r1, [r6, #4] |
| 360 | str r2, [r6, #8] |
| 361 | str r3, [r6, #12] |
| 362 | mov pc, r1 |
| 363 | .B8: |
| 364 | mov r4, r0 |
| 365 | bic r0, r0, #7 |
| 366 | mov r5, r1 |
| 367 | orr r0, r0, #1 |
| 368 | bl new_recompile_block |
| 369 | tst r0, r0 |
| 370 | mov r0, r4 |
| 371 | mov r1, r5 |
| 372 | beq dyna_linker_ds |
| 373 | /* pagefault */ |
| 374 | bic r1, r0, #7 |
| 375 | mov r2, #0x80000008 /* High bit set indicates pagefault in delay slot */ |
| 376 | sub r0, r1, #4 |
| 377 | b exec_pagefault |
| 378 | .size dyna_linker_ds, .-dyna_linker_ds |
| 379 | .jiptr: |
| 380 | .word jump_in |
| 381 | .jdptr: |
| 382 | .word jump_dirty |
| 383 | .tlbptr: |
| 384 | .word tlb_LUT_r |
| 385 | .htptr: |
| 386 | .word hash_table |
| 387 | .align 2 |
| 388 | .global jump_vaddr_r0 |
| 389 | .type jump_vaddr_r0, %function |
| 390 | jump_vaddr_r0: |
| 391 | eor r2, r0, r0, lsl #16 |
| 392 | b jump_vaddr |
| 393 | .size jump_vaddr_r0, .-jump_vaddr_r0 |
| 394 | .global jump_vaddr_r1 |
| 395 | .type jump_vaddr_r1, %function |
| 396 | jump_vaddr_r1: |
| 397 | eor r2, r1, r1, lsl #16 |
| 398 | mov r0, r1 |
| 399 | b jump_vaddr |
| 400 | .size jump_vaddr_r1, .-jump_vaddr_r1 |
| 401 | .global jump_vaddr_r2 |
| 402 | .type jump_vaddr_r2, %function |
| 403 | jump_vaddr_r2: |
| 404 | mov r0, r2 |
| 405 | eor r2, r2, r2, lsl #16 |
| 406 | b jump_vaddr |
| 407 | .size jump_vaddr_r2, .-jump_vaddr_r2 |
| 408 | .global jump_vaddr_r3 |
| 409 | .type jump_vaddr_r3, %function |
| 410 | jump_vaddr_r3: |
| 411 | eor r2, r3, r3, lsl #16 |
| 412 | mov r0, r3 |
| 413 | b jump_vaddr |
| 414 | .size jump_vaddr_r3, .-jump_vaddr_r3 |
| 415 | .global jump_vaddr_r4 |
| 416 | .type jump_vaddr_r4, %function |
| 417 | jump_vaddr_r4: |
| 418 | eor r2, r4, r4, lsl #16 |
| 419 | mov r0, r4 |
| 420 | b jump_vaddr |
| 421 | .size jump_vaddr_r4, .-jump_vaddr_r4 |
| 422 | .global jump_vaddr_r5 |
| 423 | .type jump_vaddr_r5, %function |
| 424 | jump_vaddr_r5: |
| 425 | eor r2, r5, r5, lsl #16 |
| 426 | mov r0, r5 |
| 427 | b jump_vaddr |
| 428 | .size jump_vaddr_r5, .-jump_vaddr_r5 |
| 429 | .global jump_vaddr_r6 |
| 430 | .type jump_vaddr_r6, %function |
| 431 | jump_vaddr_r6: |
| 432 | eor r2, r6, r6, lsl #16 |
| 433 | mov r0, r6 |
| 434 | b jump_vaddr |
| 435 | .size jump_vaddr_r6, .-jump_vaddr_r6 |
| 436 | .global jump_vaddr_r8 |
| 437 | .type jump_vaddr_r8, %function |
| 438 | jump_vaddr_r8: |
| 439 | eor r2, r8, r8, lsl #16 |
| 440 | mov r0, r8 |
| 441 | b jump_vaddr |
| 442 | .size jump_vaddr_r8, .-jump_vaddr_r8 |
| 443 | .global jump_vaddr_r9 |
| 444 | .type jump_vaddr_r9, %function |
| 445 | jump_vaddr_r9: |
| 446 | eor r2, r9, r9, lsl #16 |
| 447 | mov r0, r9 |
| 448 | b jump_vaddr |
| 449 | .size jump_vaddr_r9, .-jump_vaddr_r9 |
| 450 | .global jump_vaddr_r10 |
| 451 | .type jump_vaddr_r10, %function |
| 452 | jump_vaddr_r10: |
| 453 | eor r2, r10, r10, lsl #16 |
| 454 | mov r0, r10 |
| 455 | b jump_vaddr |
| 456 | .size jump_vaddr_r10, .-jump_vaddr_r10 |
| 457 | .global jump_vaddr_r12 |
| 458 | .type jump_vaddr_r12, %function |
| 459 | jump_vaddr_r12: |
| 460 | eor r2, r12, r12, lsl #16 |
| 461 | mov r0, r12 |
| 462 | b jump_vaddr |
| 463 | .size jump_vaddr_r12, .-jump_vaddr_r12 |
| 464 | .global jump_vaddr_r7 |
| 465 | .type jump_vaddr_r7, %function |
| 466 | jump_vaddr_r7: |
| 467 | eor r2, r7, r7, lsl #16 |
| 468 | add r0, r7, #0 |
| 469 | .size jump_vaddr_r7, .-jump_vaddr_r7 |
| 470 | .global jump_vaddr |
| 471 | .type jump_vaddr, %function |
| 472 | jump_vaddr: |
| 473 | ldr r1, .htptr |
| 474 | mvn r3, #15 |
| 475 | and r2, r3, r2, lsr #12 |
| 476 | ldr r2, [r1, r2]! |
| 477 | teq r2, r0 |
| 478 | ldreq pc, [r1, #4] |
| 479 | ldr r2, [r1, #8] |
| 480 | teq r2, r0 |
| 481 | ldreq pc, [r1, #12] |
| 482 | str r10, [fp, #cycle_count-dynarec_local] |
| 483 | bl get_addr |
| 484 | ldr r10, [fp, #cycle_count-dynarec_local] |
| 485 | mov pc, r0 |
| 486 | .size jump_vaddr, .-jump_vaddr |
| 487 | .align 2 |
| 488 | .global verify_code_ds |
| 489 | .type verify_code_ds, %function |
| 490 | verify_code_ds: |
| 491 | str r8, [fp, #branch_target-dynarec_local] |
| 492 | .size verify_code_ds, .-verify_code_ds |
| 493 | .global verify_code_vm |
| 494 | .type verify_code_vm, %function |
| 495 | verify_code_vm: |
| 496 | /* r0 = instruction pointer (virtual address) */ |
| 497 | /* r1 = source (virtual address) */ |
| 498 | /* r2 = target */ |
| 499 | /* r3 = length */ |
| 500 | cmp r1, #0xC0000000 |
| 501 | blt verify_code |
| 502 | add r12, fp, #memory_map-dynarec_local |
| 503 | lsr r4, r1, #12 |
| 504 | add r5, r1, r3 |
| 505 | sub r5, #1 |
| 506 | ldr r6, [r12, r4, lsl #2] |
| 507 | lsr r5, r5, #12 |
| 508 | movs r7, r6 |
| 509 | bmi .D5 |
| 510 | add r1, r1, r6, lsl #2 |
| 511 | lsl r6, r6, #2 |
| 512 | .D1: |
| 513 | add r4, r4, #1 |
| 514 | teq r6, r7, lsl #2 |
| 515 | bne .D5 |
| 516 | ldr r7, [r12, r4, lsl #2] |
| 517 | cmp r4, r5 |
| 518 | bls .D1 |
| 519 | .size verify_code_vm, .-verify_code_vm |
| 520 | .global verify_code |
| 521 | .type verify_code, %function |
| 522 | verify_code: |
| 523 | /* r1 = source */ |
| 524 | /* r2 = target */ |
| 525 | /* r3 = length */ |
| 526 | tst r3, #4 |
| 527 | mov r4, #0 |
| 528 | add r3, r1, r3 |
| 529 | mov r5, #0 |
| 530 | ldrne r4, [r1], #4 |
| 531 | mov r12, #0 |
| 532 | ldrne r5, [r2], #4 |
| 533 | teq r1, r3 |
| 534 | beq .D3 |
| 535 | .D2: |
| 536 | ldr r7, [r1], #4 |
| 537 | eor r9, r4, r5 |
| 538 | ldr r8, [r2], #4 |
| 539 | orrs r9, r9, r12 |
| 540 | bne .D4 |
| 541 | ldr r4, [r1], #4 |
| 542 | eor r12, r7, r8 |
| 543 | ldr r5, [r2], #4 |
| 544 | cmp r1, r3 |
| 545 | bcc .D2 |
| 546 | teq r7, r8 |
| 547 | .D3: |
| 548 | teqeq r4, r5 |
| 549 | .D4: |
| 550 | ldr r8, [fp, #branch_target-dynarec_local] |
| 551 | moveq pc, lr |
| 552 | .D5: |
| 553 | bl get_addr |
| 554 | mov pc, r0 |
| 555 | .size verify_code, .-verify_code |
| 556 | .align 2 |
| 557 | .global cc_interrupt |
| 558 | .type cc_interrupt, %function |
| 559 | cc_interrupt: |
| 560 | ldr r0, [fp, #last_count-dynarec_local] |
| 561 | mov r1, #0 |
| 562 | mov r2, #0x1fc |
| 563 | add r10, r0, r10 |
| 564 | str r1, [fp, #pending_exception-dynarec_local] |
| 565 | and r2, r2, r10, lsr #17 |
| 566 | add r3, fp, #restore_candidate-dynarec_local |
| 567 | str r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
| 568 | ldr r4, [r2, r3] |
| 569 | mov r10, lr |
| 570 | tst r4, r4 |
| 571 | bne .E4 |
| 572 | .E1: |
| 573 | bl gen_interupt |
| 574 | mov lr, r10 |
| 575 | ldr r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
| 576 | ldr r0, [fp, #next_interupt-dynarec_local] |
| 577 | ldr r1, [fp, #pending_exception-dynarec_local] |
| 578 | ldr r2, [fp, #stop-dynarec_local] |
| 579 | str r0, [fp, #last_count-dynarec_local] |
| 580 | sub r10, r10, r0 |
| 581 | tst r2, r2 |
| 582 | bne .E3 |
| 583 | tst r1, r1 |
| 584 | moveq pc, lr |
| 585 | .E2: |
| 586 | ldr r0, [fp, #pcaddr-dynarec_local] |
| 587 | bl get_addr_ht |
| 588 | mov pc, r0 |
| 589 | .E3: |
| 590 | add r12, fp, #28 |
| 591 | ldmia r12, {r4, r5, r6, r7, r8, r9, sl, fp, pc} |
| 592 | .E4: |
| 593 | /* Move 'dirty' blocks to the 'clean' list */ |
| 594 | lsl r5, r2, #3 |
| 595 | str r1, [r2, r3] |
| 596 | .E5: |
| 597 | lsrs r4, r4, #1 |
| 598 | mov r0, r5 |
| 599 | add r5, r5, #1 |
| 600 | blcs clean_blocks |
| 601 | tst r5, #31 |
| 602 | bne .E5 |
| 603 | b .E1 |
| 604 | |
| 605 | .size cc_interrupt, .-cc_interrupt |
| 606 | .align 2 |
| 607 | .global do_interrupt |
| 608 | .type do_interrupt, %function |
| 609 | do_interrupt: |
| 610 | ldr r0, [fp, #pcaddr-dynarec_local] |
| 611 | bl get_addr_ht |
| 612 | ldr r1, [fp, #next_interupt-dynarec_local] |
| 613 | ldr r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
| 614 | str r1, [fp, #last_count-dynarec_local] |
| 615 | sub r10, r10, r1 |
| 616 | add r10, r10, #2 |
| 617 | mov pc, r0 |
| 618 | .size do_interrupt, .-do_interrupt |
| 619 | .align 2 |
| 620 | .global fp_exception |
| 621 | .type fp_exception, %function |
| 622 | fp_exception: |
| 623 | mov r2, #0x10000000 |
| 624 | .E7: |
| 625 | ldr r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 626 | mov r3, #0x80000000 |
| 627 | str r0, [fp, #reg_cop0+56-dynarec_local] /* EPC */ |
| 628 | orr r1, #2 |
| 629 | add r2, r2, #0x2c |
| 630 | str r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 631 | str r2, [fp, #reg_cop0+52-dynarec_local] /* Cause */ |
| 632 | add r0, r3, #0x180 |
| 633 | bl get_addr_ht |
| 634 | mov pc, r0 |
| 635 | .size fp_exception, .-fp_exception |
| 636 | .align 2 |
| 637 | .global fp_exception_ds |
| 638 | .type fp_exception_ds, %function |
| 639 | fp_exception_ds: |
| 640 | mov r2, #0x90000000 /* Set high bit if delay slot */ |
| 641 | b .E7 |
| 642 | .size fp_exception_ds, .-fp_exception_ds |
| 643 | .align 2 |
| 644 | .global jump_syscall |
| 645 | .type jump_syscall, %function |
| 646 | jump_syscall: |
| 647 | ldr r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 648 | mov r3, #0x80000000 |
| 649 | str r0, [fp, #reg_cop0+56-dynarec_local] /* EPC */ |
| 650 | orr r1, #2 |
| 651 | mov r2, #0x20 |
| 652 | str r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 653 | str r2, [fp, #reg_cop0+52-dynarec_local] /* Cause */ |
| 654 | add r0, r3, #0x180 |
| 655 | bl get_addr_ht |
| 656 | mov pc, r0 |
| 657 | .size jump_syscall, .-jump_syscall |
| 658 | .align 2 |
| 659 | .global indirect_jump_indexed |
| 660 | .type indirect_jump_indexed, %function |
| 661 | indirect_jump_indexed: |
| 662 | ldr r0, [r0, r1, lsl #2] |
| 663 | .size indirect_jump_indexed, .-indirect_jump_indexed |
| 664 | .align 2 |
| 665 | .global indirect_jump |
| 666 | .type indirect_jump, %function |
| 667 | indirect_jump: |
| 668 | ldr r12, [fp, #last_count-dynarec_local] |
| 669 | add r2, r2, r12 |
| 670 | str r2, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
| 671 | mov pc, r0 |
| 672 | .size indirect_jump, .-indirect_jump |
| 673 | .align 2 |
| 674 | .global jump_eret |
| 675 | .type jump_eret, %function |
| 676 | jump_eret: |
| 677 | ldr r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 678 | ldr r0, [fp, #last_count-dynarec_local] |
| 679 | bic r1, r1, #2 |
| 680 | add r10, r0, r10 |
| 681 | str r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 682 | str r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
| 683 | bl check_interupt |
| 684 | ldr r1, [fp, #next_interupt-dynarec_local] |
| 685 | ldr r0, [fp, #reg_cop0+56-dynarec_local] /* EPC */ |
| 686 | str r1, [fp, #last_count-dynarec_local] |
| 687 | subs r10, r10, r1 |
| 688 | bpl .E11 |
| 689 | .E8: |
| 690 | add r6, fp, #reg+256-dynarec_local |
| 691 | mov r5, #248 |
| 692 | mov r1, #0 |
| 693 | .E9: |
| 694 | ldr r2, [r6, #-8]! |
| 695 | ldr r3, [r6, #4] |
| 696 | eor r3, r3, r2, asr #31 |
| 697 | subs r3, r3, #1 |
| 698 | adc r1, r1, r1 |
| 699 | subs r5, r5, #8 |
| 700 | bne .E9 |
| 701 | ldr r2, [fp, #hi-dynarec_local] |
| 702 | ldr r3, [fp, #hi+4-dynarec_local] |
| 703 | eors r3, r3, r2, asr #31 |
| 704 | ldr r2, [fp, #lo-dynarec_local] |
| 705 | ldreq r3, [fp, #lo+4-dynarec_local] |
| 706 | eoreq r3, r3, r2, asr #31 |
| 707 | subs r3, r3, #1 |
| 708 | adc r1, r1, r1 |
| 709 | bl get_addr_32 |
| 710 | mov pc, r0 |
| 711 | .E11: |
| 712 | str r0, [fp, #pcaddr-dynarec_local] |
| 713 | bl cc_interrupt |
| 714 | ldr r0, [fp, #pcaddr-dynarec_local] |
| 715 | b .E8 |
| 716 | .size jump_eret, .-jump_eret |
| 717 | .align 2 |
| 718 | .global new_dyna_start |
| 719 | .type new_dyna_start, %function |
| 720 | new_dyna_start: |
| 721 | ldr r12, .dlptr |
| 722 | mov r0, #0xa4000000 |
| 723 | stmia r12, {r4, r5, r6, r7, r8, r9, sl, fp, lr} |
| 724 | sub fp, r12, #28 |
| 725 | add r0, r0, #0x40 |
| 726 | bl new_recompile_block |
| 727 | ldr r0, [fp, #next_interupt-dynarec_local] |
| 728 | ldr r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
| 729 | str r0, [fp, #last_count-dynarec_local] |
| 730 | sub r10, r10, r0 |
| 731 | mov pc, #0x7000000 |
| 732 | .dlptr: |
| 733 | .word dynarec_local+28 |
| 734 | .size new_dyna_start, .-new_dyna_start |
| 735 | .align 2 |
| 736 | .global write_rdram_new |
| 737 | .type write_rdram_new, %function |
| 738 | write_rdram_new: |
| 739 | ldr r2, [fp, #address-dynarec_local] |
| 740 | ldr r0, [fp, #word-dynarec_local] |
| 741 | str r0, [r2] |
| 742 | b .E12 |
| 743 | .size write_rdram_new, .-write_rdram_new |
| 744 | .align 2 |
| 745 | .global write_rdramb_new |
| 746 | .type write_rdramb_new, %function |
| 747 | write_rdramb_new: |
| 748 | ldr r2, [fp, #address-dynarec_local] |
| 749 | ldrb r0, [fp, #byte-dynarec_local] |
| 750 | eor r2, r2, #3 |
| 751 | strb r0, [r2] |
| 752 | b .E12 |
| 753 | .size write_rdramb_new, .-write_rdramb_new |
| 754 | .align 2 |
| 755 | .global write_rdramh_new |
| 756 | .type write_rdramh_new, %function |
| 757 | write_rdramh_new: |
| 758 | ldr r2, [fp, #address-dynarec_local] |
| 759 | ldrh r0, [fp, #hword-dynarec_local] |
| 760 | eor r2, r2, #2 |
| 761 | strh r0, [r2] |
| 762 | b .E12 |
| 763 | .size write_rdramh_new, .-write_rdramh_new |
| 764 | .align 2 |
| 765 | .global write_rdramd_new |
| 766 | .type write_rdramd_new, %function |
| 767 | write_rdramd_new: |
| 768 | ldr r2, [fp, #address-dynarec_local] |
| 769 | /* ldrd r0, [fp, #dword-dynarec_local]*/ |
| 770 | ldr r0, [fp, #dword-dynarec_local] |
| 771 | ldr r1, [fp, #dword+4-dynarec_local] |
| 772 | str r0, [r2, #4] |
| 773 | str r1, [r2] |
| 774 | b .E12 |
| 775 | .size write_rdramd_new, .-write_rdramd_new |
| 776 | .align 2 |
| 777 | .global do_invalidate |
| 778 | .type do_invalidate, %function |
| 779 | do_invalidate: |
| 780 | ldr r2, [fp, #address-dynarec_local] |
| 781 | .E12: |
| 782 | ldr r1, [fp, #invc_ptr-dynarec_local] |
| 783 | lsr r0, r2, #12 |
| 784 | ldrb r2, [r1, r0] |
| 785 | tst r2, r2 |
| 786 | beq invalidate_block |
| 787 | mov pc, lr |
| 788 | .size do_invalidate, .-do_invalidate |
| 789 | .align 2 |
| 790 | .global read_nomem_new |
| 791 | .type read_nomem_new, %function |
| 792 | read_nomem_new: |
| 793 | ldr r2, [fp, #address-dynarec_local] |
| 794 | add r12, fp, #memory_map-dynarec_local |
| 795 | lsr r0, r2, #12 |
| 796 | ldr r12, [r12, r0, lsl #2] |
| 797 | mov r1, #8 |
| 798 | tst r12, r12 |
| 799 | bmi tlb_exception |
| 800 | ldr r0, [r2, r12, lsl #2] |
| 801 | str r0, [fp, #readmem_dword-dynarec_local] |
| 802 | mov pc, lr |
| 803 | .size read_nomem_new, .-read_nomem_new |
| 804 | .align 2 |
| 805 | .global read_nomemb_new |
| 806 | .type read_nomemb_new, %function |
| 807 | read_nomemb_new: |
| 808 | ldr r2, [fp, #address-dynarec_local] |
| 809 | add r12, fp, #memory_map-dynarec_local |
| 810 | lsr r0, r2, #12 |
| 811 | ldr r12, [r12, r0, lsl #2] |
| 812 | mov r1, #8 |
| 813 | tst r12, r12 |
| 814 | bmi tlb_exception |
| 815 | eor r2, r2, #3 |
| 816 | ldrb r0, [r2, r12, lsl #2] |
| 817 | str r0, [fp, #readmem_dword-dynarec_local] |
| 818 | mov pc, lr |
| 819 | .size read_nomemb_new, .-read_nomemb_new |
| 820 | .align 2 |
| 821 | .global read_nomemh_new |
| 822 | .type read_nomemh_new, %function |
| 823 | read_nomemh_new: |
| 824 | ldr r2, [fp, #address-dynarec_local] |
| 825 | add r12, fp, #memory_map-dynarec_local |
| 826 | lsr r0, r2, #12 |
| 827 | ldr r12, [r12, r0, lsl #2] |
| 828 | mov r1, #8 |
| 829 | tst r12, r12 |
| 830 | bmi tlb_exception |
| 831 | lsl r12, r12, #2 |
| 832 | eor r2, r2, #2 |
| 833 | ldrh r0, [r2, r12] |
| 834 | str r0, [fp, #readmem_dword-dynarec_local] |
| 835 | mov pc, lr |
| 836 | .size read_nomemh_new, .-read_nomemh_new |
| 837 | .align 2 |
| 838 | .global read_nomemd_new |
| 839 | .type read_nomemd_new, %function |
| 840 | read_nomemd_new: |
| 841 | ldr r2, [fp, #address-dynarec_local] |
| 842 | add r12, fp, #memory_map-dynarec_local |
| 843 | lsr r0, r2, #12 |
| 844 | ldr r12, [r12, r0, lsl #2] |
| 845 | mov r1, #8 |
| 846 | tst r12, r12 |
| 847 | bmi tlb_exception |
| 848 | lsl r12, r12, #2 |
| 849 | /* ldrd r0, [r2, r12]*/ |
| 850 | add r3, r2, #4 |
| 851 | ldr r0, [r2, r12] |
| 852 | ldr r1, [r3, r12] |
| 853 | str r0, [fp, #readmem_dword+4-dynarec_local] |
| 854 | str r1, [fp, #readmem_dword-dynarec_local] |
| 855 | mov pc, lr |
| 856 | .size read_nomemd_new, .-read_nomemd_new |
| 857 | .align 2 |
| 858 | .global write_nomem_new |
| 859 | .type write_nomem_new, %function |
| 860 | write_nomem_new: |
| 861 | str r3, [fp, #24] |
| 862 | str lr, [fp, #28] |
| 863 | bl do_invalidate |
| 864 | ldr r2, [fp, #address-dynarec_local] |
| 865 | add r12, fp, #memory_map-dynarec_local |
| 866 | ldr lr, [fp, #28] |
| 867 | lsr r0, r2, #12 |
| 868 | ldr r3, [fp, #24] |
| 869 | ldr r12, [r12, r0, lsl #2] |
| 870 | mov r1, #0xc |
| 871 | tst r12, #0x40000000 |
| 872 | bne tlb_exception |
| 873 | ldr r0, [fp, #word-dynarec_local] |
| 874 | str r0, [r2, r12, lsl #2] |
| 875 | mov pc, lr |
| 876 | .size write_nomem_new, .-write_nomem_new |
| 877 | .align 2 |
| 878 | .global write_nomemb_new |
| 879 | .type write_nomemb_new, %function |
| 880 | write_nomemb_new: |
| 881 | str r3, [fp, #24] |
| 882 | str lr, [fp, #28] |
| 883 | bl do_invalidate |
| 884 | ldr r2, [fp, #address-dynarec_local] |
| 885 | add r12, fp, #memory_map-dynarec_local |
| 886 | ldr lr, [fp, #28] |
| 887 | lsr r0, r2, #12 |
| 888 | ldr r3, [fp, #24] |
| 889 | ldr r12, [r12, r0, lsl #2] |
| 890 | mov r1, #0xc |
| 891 | tst r12, #0x40000000 |
| 892 | bne tlb_exception |
| 893 | eor r2, r2, #3 |
| 894 | ldrb r0, [fp, #byte-dynarec_local] |
| 895 | strb r0, [r2, r12, lsl #2] |
| 896 | mov pc, lr |
| 897 | .size write_nomemb_new, .-write_nomemb_new |
| 898 | .align 2 |
| 899 | .global write_nomemh_new |
| 900 | .type write_nomemh_new, %function |
| 901 | write_nomemh_new: |
| 902 | str r3, [fp, #24] |
| 903 | str lr, [fp, #28] |
| 904 | bl do_invalidate |
| 905 | ldr r2, [fp, #address-dynarec_local] |
| 906 | add r12, fp, #memory_map-dynarec_local |
| 907 | ldr lr, [fp, #28] |
| 908 | lsr r0, r2, #12 |
| 909 | ldr r3, [fp, #24] |
| 910 | ldr r12, [r12, r0, lsl #2] |
| 911 | mov r1, #0xc |
| 912 | lsls r12, #2 |
| 913 | bcs tlb_exception |
| 914 | eor r2, r2, #2 |
| 915 | ldrh r0, [fp, #hword-dynarec_local] |
| 916 | strh r0, [r2, r12] |
| 917 | mov pc, lr |
| 918 | .size write_nomemh_new, .-write_nomemh_new |
| 919 | .align 2 |
| 920 | .global write_nomemd_new |
| 921 | .type write_nomemd_new, %function |
| 922 | write_nomemd_new: |
| 923 | str r3, [fp, #24] |
| 924 | str lr, [fp, #28] |
| 925 | bl do_invalidate |
| 926 | ldr r2, [fp, #address-dynarec_local] |
| 927 | add r12, fp, #memory_map-dynarec_local |
| 928 | ldr lr, [fp, #28] |
| 929 | lsr r0, r2, #12 |
| 930 | ldr r3, [fp, #24] |
| 931 | ldr r12, [r12, r0, lsl #2] |
| 932 | mov r1, #0xc |
| 933 | lsls r12, #2 |
| 934 | bcs tlb_exception |
| 935 | add r3, r2, #4 |
| 936 | ldr r0, [fp, #dword+4-dynarec_local] |
| 937 | ldr r1, [fp, #dword-dynarec_local] |
| 938 | /* strd r0, [r2, r12]*/ |
| 939 | str r0, [r2, r12] |
| 940 | str r1, [r3, r12] |
| 941 | mov pc, lr |
| 942 | .size write_nomemd_new, .-write_nomemd_new |
| 943 | .align 2 |
| 944 | .global tlb_exception |
| 945 | .type tlb_exception, %function |
| 946 | tlb_exception: |
| 947 | /* r1 = cause */ |
| 948 | /* r2 = address */ |
| 949 | /* r3 = instr addr/flags */ |
| 950 | ldr r4, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 951 | add r5, fp, #memory_map-dynarec_local |
| 952 | lsr r6, r3, #12 |
| 953 | orr r1, r1, r3, lsl #31 |
| 954 | orr r4, r4, #2 |
| 955 | ldr r7, [r5, r6, lsl #2] |
| 956 | bic r8, r3, #3 |
| 957 | str r4, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
| 958 | mov r6, #0x6000000 |
| 959 | str r1, [fp, #reg_cop0+52-dynarec_local] /* Cause */ |
| 960 | orr r6, r6, #0x22 |
| 961 | ldr r0, [r8, r7, lsl #2] |
| 962 | add r4, r8, r1, asr #29 |
| 963 | add r5, fp, #reg-dynarec_local |
| 964 | str r4, [fp, #reg_cop0+56-dynarec_local] /* EPC */ |
| 965 | mov r7, #0xf8 |
| 966 | ldr r8, [fp, #reg_cop0+16-dynarec_local] /* Context */ |
| 967 | lsl r1, r0, #16 |
| 968 | lsr r4, r0, #26 |
| 969 | and r7, r7, r0, lsr #18 |
| 970 | mvn r9, #0xF000000F |
| 971 | sub r2, r2, r1, asr #16 |
| 972 | bic r9, r9, #0x0F800000 |
| 973 | rors r6, r6, r4 |
| 974 | mov r0, #0x80000000 |
| 975 | ldrcs r2, [r5, r7] |
| 976 | bic r8, r8, r9 |
| 977 | tst r3, #2 |
| 978 | str r2, [r5, r7] |
| 979 | add r4, r2, r1, asr #16 |
| 980 | add r6, fp, #reg+4-dynarec_local |
| 981 | asr r3, r2, #31 |
| 982 | str r4, [fp, #reg_cop0+32-dynarec_local] /* BadVAddr */ |
| 983 | add r0, r0, #0x180 |
| 984 | and r4, r9, r4, lsr #9 |
| 985 | strne r3, [r6, r7] |
| 986 | orr r8, r8, r4 |
| 987 | str r8, [fp, #reg_cop0+16-dynarec_local] /* Context */ |
| 988 | bl get_addr_ht |
| 989 | ldr r1, [fp, #next_interupt-dynarec_local] |
| 990 | ldr r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
| 991 | str r1, [fp, #last_count-dynarec_local] |
| 992 | sub r10, r10, r1 |
| 993 | mov pc, r0 |
| 994 | .size tlb_exception, .-tlb_exception |
| 995 | .align 2 |
| 996 | .global breakpoint |
| 997 | .type breakpoint, %function |
| 998 | breakpoint: |
| 999 | /* Set breakpoint here for debugging */ |
| 1000 | mov pc, lr |
| 1001 | .size breakpoint, .-breakpoint |
| 1002 | .section .note.GNU-stack,"",%progbits |
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