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 |