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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 |
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37 | .global reg_cop0 |
38 | .global FCR0 |
39 | .global FCR31 |
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40 | .global next_interupt |
41 | .global cycle_count |
42 | .global last_count |
43 | .global pending_exception |
44 | .global pcaddr |
45 | .global stop |
46 | .global invc_ptr |
47 | .global address |
48 | .global readmem_dword |
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49 | .global readmem_word |
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50 | .global dword |
51 | .global word |
52 | .global hword |
53 | .global byte |
54 | .global branch_target |
55 | .global PC |
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56 | .global mini_ht |
57 | .global restore_candidate |
58 | .global memory_map |
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59 | /* psx */ |
60 | .global psxRegs |
61 | |
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62 | .bss |
63 | .align 4 |
64 | .type dynarec_local, %object |
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65 | .size dynarec_local, dynarec_local_end-dynarec_local |
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66 | dynarec_local: |
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67 | .space dynarec_local_end-dynarec_local /*0x400630*/ |
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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 |
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93 | readmem_word = readmem_dword |
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94 | .type readmem_dword, %object |
95 | .size readmem_dword, 8 |
96 | dword = readmem_dword + 8 |
97 | .type dword, %object |
98 | .size dword, 8 |
99 | word = dword + 8 |
100 | .type word, %object |
101 | .size word, 4 |
102 | hword = word + 4 |
103 | .type hword, %object |
104 | .size hword, 2 |
105 | byte = hword + 2 |
106 | .type byte, %object |
107 | .size byte, 1 /* 1 byte free */ |
108 | FCR0 = hword + 4 |
109 | .type FCR0, %object |
110 | .size FCR0, 4 |
111 | FCR31 = FCR0 + 4 |
112 | .type FCR31, %object |
113 | .size FCR31, 4 |
114 | reg = FCR31 + 4 |
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115 | |
116 | /* psxRegs */ |
117 | psxRegs = reg |
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118 | .type reg, %object |
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119 | .size reg, 128 |
120 | .size psxRegs, psxRegs_end-psxRegs |
121 | hi = reg + 128 |
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122 | .type hi, %object |
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123 | .size hi, 4 |
124 | lo = hi + 4 |
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125 | .type lo, %object |
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126 | .size lo, 4 |
127 | reg_cop0 = lo + 4 |
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128 | .type reg_cop0, %object |
129 | .size reg_cop0, 128 |
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130 | reg_cop2d = reg_cop0 + 128 |
131 | .type reg_cop2d, %object |
132 | .size reg_cop2d, 128 |
133 | reg_cop2c = reg_cop2d + 128 |
134 | .type reg_cop2c, %object |
135 | .size reg_cop2c, 128 |
136 | PC = reg_cop2c + 128 |
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137 | .type PC, %object |
138 | .size PC, 4 |
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139 | code = PC + 4 |
140 | .type code, %object |
141 | .size code, 4 |
142 | cycle = code + 4 |
143 | .type cycle, %object |
144 | .size cycle, 4 |
145 | interrupt = cycle + 4 |
146 | .type interrupt, %object |
147 | .size interrupt, 4 |
148 | intCycle = interrupt + 4 |
149 | .type intCycle, %object |
150 | .size intCycle, 128 |
151 | psxRegs_end = intCycle + 128 |
152 | |
153 | align0 = psxRegs_end /* just for alignment */ |
154 | .type align0, %object |
155 | .size align0, 4 |
156 | branch_target = align0 + 4 |
157 | .type branch_target, %object |
158 | .size branch_target, 4 |
159 | mini_ht = branch_target + 4 |
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160 | .type mini_ht, %object |
161 | .size mini_ht, 256 |
162 | restore_candidate = mini_ht + 256 |
163 | .type restore_candidate, %object |
164 | .size restore_candidate, 512 |
165 | memory_map = restore_candidate + 512 |
166 | .type memory_map, %object |
167 | .size memory_map, 4194304 |
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168 | dynarec_local_end = memory_map + 4194304 |
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169 | |
170 | .text |
171 | .align 2 |
172 | .global dyna_linker |
173 | .type dyna_linker, %function |
174 | dyna_linker: |
175 | /* r0 = virtual target address */ |
176 | /* r1 = instruction to patch */ |
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177 | mov r12, r0 |
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178 | mov r6, #4096 |
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179 | mov r2, #0x80000 |
180 | ldr r3, .jiptr |
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181 | sub r6, r6, #1 |
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182 | ldr r7, [r1] |
183 | eor r2, r2, r12, lsr #12 |
184 | and r6, r6, r12, lsr #12 |
185 | cmp r2, #2048 |
186 | add r12, r7, #2 |
187 | orrcs r2, r6, #2048 |
188 | ldr r5, [r3, r2, lsl #2] |
189 | lsl r12, r12, #8 |
190 | /* jump_in lookup */ |
191 | .A1: |
192 | movs r4, r5 |
193 | beq .A3 |
194 | ldr r3, [r5] |
195 | ldr r5, [r4, #12] |
196 | teq r3, r0 |
197 | bne .A1 |
198 | ldr r3, [r4, #4] |
199 | ldr r4, [r4, #8] |
200 | tst r3, r3 |
201 | bne .A1 |
202 | .A2: |
203 | mov r5, r1 |
204 | add r1, r1, r12, asr #6 |
205 | teq r1, r4 |
206 | moveq pc, r4 /* Stale i-cache */ |
207 | bl add_link |
208 | sub r2, r4, r5 |
209 | and r1, r7, #0xff000000 |
210 | lsl r2, r2, #6 |
211 | sub r1, r1, #2 |
212 | add r1, r1, r2, lsr #8 |
213 | str r1, [r5] |
214 | mov pc, r4 |
215 | .A3: |
216 | /* hash_table lookup */ |
217 | cmp r2, #2048 |
218 | ldr r3, .jdptr |
219 | eor r4, r0, r0, lsl #16 |
220 | lslcc r2, r0, #9 |
221 | ldr r6, .htptr |
222 | lsr r4, r4, #12 |
223 | lsrcc r2, r2, #21 |
224 | bic r4, r4, #15 |
225 | ldr r5, [r3, r2, lsl #2] |
226 | ldr r7, [r6, r4]! |
227 | teq r7, r0 |
228 | ldreq pc, [r6, #4] |
229 | ldr r7, [r6, #8] |
230 | teq r7, r0 |
231 | ldreq pc, [r6, #12] |
232 | /* jump_dirty lookup */ |
233 | .A6: |
234 | movs r4, r5 |
235 | beq .A8 |
236 | ldr r3, [r5] |
237 | ldr r5, [r4, #12] |
238 | teq r3, r0 |
239 | bne .A6 |
240 | .A7: |
241 | ldr r1, [r4, #8] |
242 | /* hash_table insert */ |
243 | ldr r2, [r6] |
244 | ldr r3, [r6, #4] |
245 | str r0, [r6] |
246 | str r1, [r6, #4] |
247 | str r2, [r6, #8] |
248 | str r3, [r6, #12] |
249 | mov pc, r1 |
250 | .A8: |
251 | mov r4, r0 |
252 | mov r5, r1 |
253 | bl new_recompile_block |
254 | tst r0, r0 |
255 | mov r0, r4 |
256 | mov r1, r5 |
257 | beq dyna_linker |
258 | /* pagefault */ |
259 | mov r1, r0 |
260 | mov r2, #8 |
261 | .size dyna_linker, .-dyna_linker |
262 | .global exec_pagefault |
263 | .type exec_pagefault, %function |
264 | exec_pagefault: |
265 | /* r0 = instruction pointer */ |
266 | /* r1 = fault address */ |
267 | /* r2 = cause */ |
268 | ldr r3, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
269 | mvn r6, #0xF000000F |
270 | ldr r4, [fp, #reg_cop0+16-dynarec_local] /* Context */ |
271 | bic r6, r6, #0x0F800000 |
272 | str r0, [fp, #reg_cop0+56-dynarec_local] /* EPC */ |
273 | orr r3, r3, #2 |
274 | str r1, [fp, #reg_cop0+32-dynarec_local] /* BadVAddr */ |
275 | bic r4, r4, r6 |
276 | str r3, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
277 | and r5, r6, r1, lsr #9 |
278 | str r2, [fp, #reg_cop0+52-dynarec_local] /* Cause */ |
279 | and r1, r1, r6, lsl #9 |
280 | str r1, [fp, #reg_cop0+40-dynarec_local] /* EntryHi */ |
281 | orr r4, r4, r5 |
282 | str r4, [fp, #reg_cop0+16-dynarec_local] /* Context */ |
283 | mov r0, #0x80000000 |
284 | bl get_addr_ht |
285 | mov pc, r0 |
286 | .size exec_pagefault, .-exec_pagefault |
287 | /* Special dynamic linker for the case where a page fault |
288 | may occur in a branch delay slot */ |
289 | .global dyna_linker_ds |
290 | .type dyna_linker_ds, %function |
291 | dyna_linker_ds: |
292 | /* r0 = virtual target address */ |
293 | /* r1 = instruction to patch */ |
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294 | mov r12, r0 |
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295 | mov r6, #4096 |
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296 | mov r2, #0x80000 |
297 | ldr r3, .jiptr |
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298 | sub r6, r6, #1 |
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299 | ldr r7, [r1] |
300 | eor r2, r2, r12, lsr #12 |
301 | and r6, r6, r12, lsr #12 |
302 | cmp r2, #2048 |
303 | add r12, r7, #2 |
304 | orrcs r2, r6, #2048 |
305 | ldr r5, [r3, r2, lsl #2] |
306 | lsl r12, r12, #8 |
307 | /* jump_in lookup */ |
308 | .B1: |
309 | movs r4, r5 |
310 | beq .B3 |
311 | ldr r3, [r5] |
312 | ldr r5, [r4, #12] |
313 | teq r3, r0 |
314 | bne .B1 |
315 | ldr r3, [r4, #4] |
316 | ldr r4, [r4, #8] |
317 | tst r3, r3 |
318 | bne .B1 |
319 | .B2: |
320 | mov r5, r1 |
321 | add r1, r1, r12, asr #6 |
322 | teq r1, r4 |
323 | moveq pc, r4 /* Stale i-cache */ |
324 | bl add_link |
325 | sub r2, r4, r5 |
326 | and r1, r7, #0xff000000 |
327 | lsl r2, r2, #6 |
328 | sub r1, r1, #2 |
329 | add r1, r1, r2, lsr #8 |
330 | str r1, [r5] |
331 | mov pc, r4 |
332 | .B3: |
333 | /* hash_table lookup */ |
334 | cmp r2, #2048 |
335 | ldr r3, .jdptr |
336 | eor r4, r0, r0, lsl #16 |
337 | lslcc r2, r0, #9 |
338 | ldr r6, .htptr |
339 | lsr r4, r4, #12 |
340 | lsrcc r2, r2, #21 |
341 | bic r4, r4, #15 |
342 | ldr r5, [r3, r2, lsl #2] |
343 | ldr r7, [r6, r4]! |
344 | teq r7, r0 |
345 | ldreq pc, [r6, #4] |
346 | ldr r7, [r6, #8] |
347 | teq r7, r0 |
348 | ldreq pc, [r6, #12] |
349 | /* jump_dirty lookup */ |
350 | .B6: |
351 | movs r4, r5 |
352 | beq .B8 |
353 | ldr r3, [r5] |
354 | ldr r5, [r4, #12] |
355 | teq r3, r0 |
356 | bne .B6 |
357 | .B7: |
358 | ldr r1, [r4, #8] |
359 | /* hash_table insert */ |
360 | ldr r2, [r6] |
361 | ldr r3, [r6, #4] |
362 | str r0, [r6] |
363 | str r1, [r6, #4] |
364 | str r2, [r6, #8] |
365 | str r3, [r6, #12] |
366 | mov pc, r1 |
367 | .B8: |
368 | mov r4, r0 |
369 | bic r0, r0, #7 |
370 | mov r5, r1 |
371 | orr r0, r0, #1 |
372 | bl new_recompile_block |
373 | tst r0, r0 |
374 | mov r0, r4 |
375 | mov r1, r5 |
376 | beq dyna_linker_ds |
377 | /* pagefault */ |
378 | bic r1, r0, #7 |
379 | mov r2, #0x80000008 /* High bit set indicates pagefault in delay slot */ |
380 | sub r0, r1, #4 |
381 | b exec_pagefault |
382 | .size dyna_linker_ds, .-dyna_linker_ds |
383 | .jiptr: |
384 | .word jump_in |
385 | .jdptr: |
386 | .word jump_dirty |
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387 | .htptr: |
388 | .word hash_table |
389 | .align 2 |
390 | .global jump_vaddr_r0 |
391 | .type jump_vaddr_r0, %function |
392 | jump_vaddr_r0: |
393 | eor r2, r0, r0, lsl #16 |
394 | b jump_vaddr |
395 | .size jump_vaddr_r0, .-jump_vaddr_r0 |
396 | .global jump_vaddr_r1 |
397 | .type jump_vaddr_r1, %function |
398 | jump_vaddr_r1: |
399 | eor r2, r1, r1, lsl #16 |
400 | mov r0, r1 |
401 | b jump_vaddr |
402 | .size jump_vaddr_r1, .-jump_vaddr_r1 |
403 | .global jump_vaddr_r2 |
404 | .type jump_vaddr_r2, %function |
405 | jump_vaddr_r2: |
406 | mov r0, r2 |
407 | eor r2, r2, r2, lsl #16 |
408 | b jump_vaddr |
409 | .size jump_vaddr_r2, .-jump_vaddr_r2 |
410 | .global jump_vaddr_r3 |
411 | .type jump_vaddr_r3, %function |
412 | jump_vaddr_r3: |
413 | eor r2, r3, r3, lsl #16 |
414 | mov r0, r3 |
415 | b jump_vaddr |
416 | .size jump_vaddr_r3, .-jump_vaddr_r3 |
417 | .global jump_vaddr_r4 |
418 | .type jump_vaddr_r4, %function |
419 | jump_vaddr_r4: |
420 | eor r2, r4, r4, lsl #16 |
421 | mov r0, r4 |
422 | b jump_vaddr |
423 | .size jump_vaddr_r4, .-jump_vaddr_r4 |
424 | .global jump_vaddr_r5 |
425 | .type jump_vaddr_r5, %function |
426 | jump_vaddr_r5: |
427 | eor r2, r5, r5, lsl #16 |
428 | mov r0, r5 |
429 | b jump_vaddr |
430 | .size jump_vaddr_r5, .-jump_vaddr_r5 |
431 | .global jump_vaddr_r6 |
432 | .type jump_vaddr_r6, %function |
433 | jump_vaddr_r6: |
434 | eor r2, r6, r6, lsl #16 |
435 | mov r0, r6 |
436 | b jump_vaddr |
437 | .size jump_vaddr_r6, .-jump_vaddr_r6 |
438 | .global jump_vaddr_r8 |
439 | .type jump_vaddr_r8, %function |
440 | jump_vaddr_r8: |
441 | eor r2, r8, r8, lsl #16 |
442 | mov r0, r8 |
443 | b jump_vaddr |
444 | .size jump_vaddr_r8, .-jump_vaddr_r8 |
445 | .global jump_vaddr_r9 |
446 | .type jump_vaddr_r9, %function |
447 | jump_vaddr_r9: |
448 | eor r2, r9, r9, lsl #16 |
449 | mov r0, r9 |
450 | b jump_vaddr |
451 | .size jump_vaddr_r9, .-jump_vaddr_r9 |
452 | .global jump_vaddr_r10 |
453 | .type jump_vaddr_r10, %function |
454 | jump_vaddr_r10: |
455 | eor r2, r10, r10, lsl #16 |
456 | mov r0, r10 |
457 | b jump_vaddr |
458 | .size jump_vaddr_r10, .-jump_vaddr_r10 |
459 | .global jump_vaddr_r12 |
460 | .type jump_vaddr_r12, %function |
461 | jump_vaddr_r12: |
462 | eor r2, r12, r12, lsl #16 |
463 | mov r0, r12 |
464 | b jump_vaddr |
465 | .size jump_vaddr_r12, .-jump_vaddr_r12 |
466 | .global jump_vaddr_r7 |
467 | .type jump_vaddr_r7, %function |
468 | jump_vaddr_r7: |
469 | eor r2, r7, r7, lsl #16 |
470 | add r0, r7, #0 |
471 | .size jump_vaddr_r7, .-jump_vaddr_r7 |
472 | .global jump_vaddr |
473 | .type jump_vaddr, %function |
474 | jump_vaddr: |
475 | ldr r1, .htptr |
476 | mvn r3, #15 |
477 | and r2, r3, r2, lsr #12 |
478 | ldr r2, [r1, r2]! |
479 | teq r2, r0 |
480 | ldreq pc, [r1, #4] |
481 | ldr r2, [r1, #8] |
482 | teq r2, r0 |
483 | ldreq pc, [r1, #12] |
484 | str r10, [fp, #cycle_count-dynarec_local] |
485 | bl get_addr |
486 | ldr r10, [fp, #cycle_count-dynarec_local] |
487 | mov pc, r0 |
488 | .size jump_vaddr, .-jump_vaddr |
489 | .align 2 |
490 | .global verify_code_ds |
491 | .type verify_code_ds, %function |
492 | verify_code_ds: |
493 | str r8, [fp, #branch_target-dynarec_local] |
494 | .size verify_code_ds, .-verify_code_ds |
495 | .global verify_code_vm |
496 | .type verify_code_vm, %function |
497 | verify_code_vm: |
498 | /* r0 = instruction pointer (virtual address) */ |
499 | /* r1 = source (virtual address) */ |
500 | /* r2 = target */ |
501 | /* r3 = length */ |
502 | cmp r1, #0xC0000000 |
503 | blt verify_code |
504 | add r12, fp, #memory_map-dynarec_local |
505 | lsr r4, r1, #12 |
506 | add r5, r1, r3 |
507 | sub r5, #1 |
508 | ldr r6, [r12, r4, lsl #2] |
509 | lsr r5, r5, #12 |
510 | movs r7, r6 |
511 | bmi .D5 |
512 | add r1, r1, r6, lsl #2 |
513 | lsl r6, r6, #2 |
514 | .D1: |
515 | add r4, r4, #1 |
516 | teq r6, r7, lsl #2 |
517 | bne .D5 |
518 | ldr r7, [r12, r4, lsl #2] |
519 | cmp r4, r5 |
520 | bls .D1 |
521 | .size verify_code_vm, .-verify_code_vm |
522 | .global verify_code |
523 | .type verify_code, %function |
524 | verify_code: |
525 | /* r1 = source */ |
526 | /* r2 = target */ |
527 | /* r3 = length */ |
528 | tst r3, #4 |
529 | mov r4, #0 |
530 | add r3, r1, r3 |
531 | mov r5, #0 |
532 | ldrne r4, [r1], #4 |
533 | mov r12, #0 |
534 | ldrne r5, [r2], #4 |
535 | teq r1, r3 |
536 | beq .D3 |
537 | .D2: |
538 | ldr r7, [r1], #4 |
539 | eor r9, r4, r5 |
540 | ldr r8, [r2], #4 |
541 | orrs r9, r9, r12 |
542 | bne .D4 |
543 | ldr r4, [r1], #4 |
544 | eor r12, r7, r8 |
545 | ldr r5, [r2], #4 |
546 | cmp r1, r3 |
547 | bcc .D2 |
548 | teq r7, r8 |
549 | .D3: |
550 | teqeq r4, r5 |
551 | .D4: |
552 | ldr r8, [fp, #branch_target-dynarec_local] |
553 | moveq pc, lr |
554 | .D5: |
555 | bl get_addr |
556 | mov pc, r0 |
557 | .size verify_code, .-verify_code |
558 | .align 2 |
559 | .global cc_interrupt |
560 | .type cc_interrupt, %function |
561 | cc_interrupt: |
562 | ldr r0, [fp, #last_count-dynarec_local] |
563 | mov r1, #0 |
564 | mov r2, #0x1fc |
565 | add r10, r0, r10 |
566 | str r1, [fp, #pending_exception-dynarec_local] |
567 | and r2, r2, r10, lsr #17 |
568 | add r3, fp, #restore_candidate-dynarec_local |
569 | str r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
570 | ldr r4, [r2, r3] |
571 | mov r10, lr |
572 | tst r4, r4 |
573 | bne .E4 |
574 | .E1: |
575 | bl gen_interupt |
576 | mov lr, r10 |
577 | ldr r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
578 | ldr r0, [fp, #next_interupt-dynarec_local] |
579 | ldr r1, [fp, #pending_exception-dynarec_local] |
580 | ldr r2, [fp, #stop-dynarec_local] |
581 | str r0, [fp, #last_count-dynarec_local] |
582 | sub r10, r10, r0 |
583 | tst r2, r2 |
584 | bne .E3 |
585 | tst r1, r1 |
586 | moveq pc, lr |
587 | .E2: |
588 | ldr r0, [fp, #pcaddr-dynarec_local] |
589 | bl get_addr_ht |
590 | mov pc, r0 |
591 | .E3: |
592 | add r12, fp, #28 |
593 | ldmia r12, {r4, r5, r6, r7, r8, r9, sl, fp, pc} |
594 | .E4: |
595 | /* Move 'dirty' blocks to the 'clean' list */ |
596 | lsl r5, r2, #3 |
597 | str r1, [r2, r3] |
598 | .E5: |
599 | lsrs r4, r4, #1 |
600 | mov r0, r5 |
601 | add r5, r5, #1 |
602 | blcs clean_blocks |
603 | tst r5, #31 |
604 | bne .E5 |
605 | b .E1 |
606 | |
607 | .size cc_interrupt, .-cc_interrupt |
608 | .align 2 |
609 | .global do_interrupt |
610 | .type do_interrupt, %function |
611 | do_interrupt: |
612 | ldr r0, [fp, #pcaddr-dynarec_local] |
613 | bl get_addr_ht |
614 | ldr r1, [fp, #next_interupt-dynarec_local] |
615 | ldr r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
616 | str r1, [fp, #last_count-dynarec_local] |
617 | sub r10, r10, r1 |
618 | add r10, r10, #2 |
619 | mov pc, r0 |
620 | .size do_interrupt, .-do_interrupt |
621 | .align 2 |
622 | .global fp_exception |
623 | .type fp_exception, %function |
624 | fp_exception: |
625 | mov r2, #0x10000000 |
626 | .E7: |
627 | ldr r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
628 | mov r3, #0x80000000 |
629 | str r0, [fp, #reg_cop0+56-dynarec_local] /* EPC */ |
630 | orr r1, #2 |
631 | add r2, r2, #0x2c |
632 | str r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
633 | str r2, [fp, #reg_cop0+52-dynarec_local] /* Cause */ |
634 | add r0, r3, #0x180 |
635 | bl get_addr_ht |
636 | mov pc, r0 |
637 | .size fp_exception, .-fp_exception |
638 | .align 2 |
639 | .global fp_exception_ds |
640 | .type fp_exception_ds, %function |
641 | fp_exception_ds: |
642 | mov r2, #0x90000000 /* Set high bit if delay slot */ |
643 | b .E7 |
644 | .size fp_exception_ds, .-fp_exception_ds |
645 | .align 2 |
646 | .global jump_syscall |
647 | .type jump_syscall, %function |
648 | jump_syscall: |
649 | ldr r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
650 | mov r3, #0x80000000 |
651 | str r0, [fp, #reg_cop0+56-dynarec_local] /* EPC */ |
652 | orr r1, #2 |
653 | mov r2, #0x20 |
654 | str r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
655 | str r2, [fp, #reg_cop0+52-dynarec_local] /* Cause */ |
656 | add r0, r3, #0x180 |
657 | bl get_addr_ht |
658 | mov pc, r0 |
659 | .size jump_syscall, .-jump_syscall |
660 | .align 2 |
661 | .global indirect_jump_indexed |
662 | .type indirect_jump_indexed, %function |
663 | indirect_jump_indexed: |
664 | ldr r0, [r0, r1, lsl #2] |
665 | .size indirect_jump_indexed, .-indirect_jump_indexed |
666 | .align 2 |
667 | .global indirect_jump |
668 | .type indirect_jump, %function |
669 | indirect_jump: |
670 | ldr r12, [fp, #last_count-dynarec_local] |
671 | add r2, r2, r12 |
672 | str r2, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
673 | mov pc, r0 |
674 | .size indirect_jump, .-indirect_jump |
675 | .align 2 |
676 | .global jump_eret |
677 | .type jump_eret, %function |
678 | jump_eret: |
679 | ldr r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
680 | ldr r0, [fp, #last_count-dynarec_local] |
681 | bic r1, r1, #2 |
682 | add r10, r0, r10 |
683 | str r1, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
684 | str r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
685 | bl check_interupt |
686 | ldr r1, [fp, #next_interupt-dynarec_local] |
687 | ldr r0, [fp, #reg_cop0+56-dynarec_local] /* EPC */ |
688 | str r1, [fp, #last_count-dynarec_local] |
689 | subs r10, r10, r1 |
690 | bpl .E11 |
691 | .E8: |
692 | add r6, fp, #reg+256-dynarec_local |
693 | mov r5, #248 |
694 | mov r1, #0 |
695 | .E9: |
696 | ldr r2, [r6, #-8]! |
697 | ldr r3, [r6, #4] |
698 | eor r3, r3, r2, asr #31 |
699 | subs r3, r3, #1 |
700 | adc r1, r1, r1 |
701 | subs r5, r5, #8 |
702 | bne .E9 |
703 | ldr r2, [fp, #hi-dynarec_local] |
704 | ldr r3, [fp, #hi+4-dynarec_local] |
705 | eors r3, r3, r2, asr #31 |
706 | ldr r2, [fp, #lo-dynarec_local] |
707 | ldreq r3, [fp, #lo+4-dynarec_local] |
708 | eoreq r3, r3, r2, asr #31 |
709 | subs r3, r3, #1 |
710 | adc r1, r1, r1 |
711 | bl get_addr_32 |
712 | mov pc, r0 |
713 | .E11: |
714 | str r0, [fp, #pcaddr-dynarec_local] |
715 | bl cc_interrupt |
716 | ldr r0, [fp, #pcaddr-dynarec_local] |
717 | b .E8 |
718 | .size jump_eret, .-jump_eret |
719 | .align 2 |
720 | .global new_dyna_start |
721 | .type new_dyna_start, %function |
722 | new_dyna_start: |
723 | ldr r12, .dlptr |
57871462 |
724 | stmia r12, {r4, r5, r6, r7, r8, r9, sl, fp, lr} |
725 | sub fp, r12, #28 |
57871462 |
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 |
f95a77f7 |
731 | mov pc, #0x2000000 |
57871462 |
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 |
f95a77f7 |
792 | /*read_nomem_new:*/ |
793 | read_nomemb_new: |
794 | read_nomemh_new: |
795 | read_nomemd_new: |
796 | /* should never happen */ |
797 | b read_nomem_new |
798 | /* |
57871462 |
799 | ldr r2, [fp, #address-dynarec_local] |
800 | add r12, fp, #memory_map-dynarec_local |
801 | lsr r0, r2, #12 |
802 | ldr r12, [r12, r0, lsl #2] |
803 | mov r1, #8 |
804 | tst r12, r12 |
805 | bmi tlb_exception |
806 | ldr r0, [r2, r12, lsl #2] |
807 | str r0, [fp, #readmem_dword-dynarec_local] |
808 | mov pc, lr |
f95a77f7 |
809 | */ |
57871462 |
810 | .size read_nomem_new, .-read_nomem_new |
811 | .align 2 |
812 | .global read_nomemb_new |
813 | .type read_nomemb_new, %function |
57871462 |
814 | write_nomem_new: |
815 | str r3, [fp, #24] |
816 | str lr, [fp, #28] |
817 | bl do_invalidate |
818 | ldr r2, [fp, #address-dynarec_local] |
819 | add r12, fp, #memory_map-dynarec_local |
820 | ldr lr, [fp, #28] |
821 | lsr r0, r2, #12 |
822 | ldr r3, [fp, #24] |
823 | ldr r12, [r12, r0, lsl #2] |
824 | mov r1, #0xc |
825 | tst r12, #0x40000000 |
826 | bne tlb_exception |
827 | ldr r0, [fp, #word-dynarec_local] |
828 | str r0, [r2, r12, lsl #2] |
829 | mov pc, lr |
830 | .size write_nomem_new, .-write_nomem_new |
831 | .align 2 |
832 | .global write_nomemb_new |
833 | .type write_nomemb_new, %function |
834 | write_nomemb_new: |
835 | str r3, [fp, #24] |
836 | str lr, [fp, #28] |
837 | bl do_invalidate |
838 | ldr r2, [fp, #address-dynarec_local] |
839 | add r12, fp, #memory_map-dynarec_local |
840 | ldr lr, [fp, #28] |
841 | lsr r0, r2, #12 |
842 | ldr r3, [fp, #24] |
843 | ldr r12, [r12, r0, lsl #2] |
844 | mov r1, #0xc |
845 | tst r12, #0x40000000 |
846 | bne tlb_exception |
847 | eor r2, r2, #3 |
848 | ldrb r0, [fp, #byte-dynarec_local] |
849 | strb r0, [r2, r12, lsl #2] |
850 | mov pc, lr |
851 | .size write_nomemb_new, .-write_nomemb_new |
852 | .align 2 |
853 | .global write_nomemh_new |
854 | .type write_nomemh_new, %function |
855 | write_nomemh_new: |
856 | str r3, [fp, #24] |
857 | str lr, [fp, #28] |
858 | bl do_invalidate |
859 | ldr r2, [fp, #address-dynarec_local] |
860 | add r12, fp, #memory_map-dynarec_local |
861 | ldr lr, [fp, #28] |
862 | lsr r0, r2, #12 |
863 | ldr r3, [fp, #24] |
864 | ldr r12, [r12, r0, lsl #2] |
865 | mov r1, #0xc |
866 | lsls r12, #2 |
867 | bcs tlb_exception |
868 | eor r2, r2, #2 |
869 | ldrh r0, [fp, #hword-dynarec_local] |
870 | strh r0, [r2, r12] |
871 | mov pc, lr |
872 | .size write_nomemh_new, .-write_nomemh_new |
873 | .align 2 |
874 | .global write_nomemd_new |
875 | .type write_nomemd_new, %function |
876 | write_nomemd_new: |
877 | str r3, [fp, #24] |
878 | str lr, [fp, #28] |
879 | bl do_invalidate |
880 | ldr r2, [fp, #address-dynarec_local] |
881 | add r12, fp, #memory_map-dynarec_local |
882 | ldr lr, [fp, #28] |
883 | lsr r0, r2, #12 |
884 | ldr r3, [fp, #24] |
885 | ldr r12, [r12, r0, lsl #2] |
886 | mov r1, #0xc |
887 | lsls r12, #2 |
888 | bcs tlb_exception |
889 | add r3, r2, #4 |
890 | ldr r0, [fp, #dword+4-dynarec_local] |
891 | ldr r1, [fp, #dword-dynarec_local] |
892 | /* strd r0, [r2, r12]*/ |
893 | str r0, [r2, r12] |
894 | str r1, [r3, r12] |
895 | mov pc, lr |
896 | .size write_nomemd_new, .-write_nomemd_new |
897 | .align 2 |
898 | .global tlb_exception |
899 | .type tlb_exception, %function |
900 | tlb_exception: |
901 | /* r1 = cause */ |
902 | /* r2 = address */ |
903 | /* r3 = instr addr/flags */ |
904 | ldr r4, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
905 | add r5, fp, #memory_map-dynarec_local |
906 | lsr r6, r3, #12 |
907 | orr r1, r1, r3, lsl #31 |
908 | orr r4, r4, #2 |
909 | ldr r7, [r5, r6, lsl #2] |
910 | bic r8, r3, #3 |
911 | str r4, [fp, #reg_cop0+48-dynarec_local] /* Status */ |
912 | mov r6, #0x6000000 |
913 | str r1, [fp, #reg_cop0+52-dynarec_local] /* Cause */ |
914 | orr r6, r6, #0x22 |
915 | ldr r0, [r8, r7, lsl #2] |
916 | add r4, r8, r1, asr #29 |
917 | add r5, fp, #reg-dynarec_local |
918 | str r4, [fp, #reg_cop0+56-dynarec_local] /* EPC */ |
919 | mov r7, #0xf8 |
920 | ldr r8, [fp, #reg_cop0+16-dynarec_local] /* Context */ |
921 | lsl r1, r0, #16 |
922 | lsr r4, r0, #26 |
923 | and r7, r7, r0, lsr #18 |
924 | mvn r9, #0xF000000F |
925 | sub r2, r2, r1, asr #16 |
926 | bic r9, r9, #0x0F800000 |
927 | rors r6, r6, r4 |
928 | mov r0, #0x80000000 |
929 | ldrcs r2, [r5, r7] |
930 | bic r8, r8, r9 |
931 | tst r3, #2 |
932 | str r2, [r5, r7] |
933 | add r4, r2, r1, asr #16 |
934 | add r6, fp, #reg+4-dynarec_local |
935 | asr r3, r2, #31 |
936 | str r4, [fp, #reg_cop0+32-dynarec_local] /* BadVAddr */ |
937 | add r0, r0, #0x180 |
938 | and r4, r9, r4, lsr #9 |
939 | strne r3, [r6, r7] |
940 | orr r8, r8, r4 |
941 | str r8, [fp, #reg_cop0+16-dynarec_local] /* Context */ |
942 | bl get_addr_ht |
943 | ldr r1, [fp, #next_interupt-dynarec_local] |
944 | ldr r10, [fp, #reg_cop0+36-dynarec_local] /* Count */ |
945 | str r1, [fp, #last_count-dynarec_local] |
946 | sub r10, r10, r1 |
947 | mov pc, r0 |
948 | .size tlb_exception, .-tlb_exception |
949 | .align 2 |
950 | .global breakpoint |
951 | .type breakpoint, %function |
952 | breakpoint: |
953 | /* Set breakpoint here for debugging */ |
954 | mov pc, lr |
955 | .size breakpoint, .-breakpoint |
956 | .section .note.GNU-stack,"",%progbits |