drc: some PCSX-specific const addr io handlers
[pcsx_rearmed.git] / libpcsxcore / new_dynarec / assem_arm.c
CommitLineData
57871462 1/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
2 * Mupen64plus - assem_arm.c *
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
21extern int cycle_count;
22extern int last_count;
23extern int pcaddr;
24extern int pending_exception;
25extern int branch_target;
26extern uint64_t readmem_dword;
3d624f89 27#ifdef MUPEN64
57871462 28extern precomp_instr fake_pc;
3d624f89 29#endif
57871462 30extern void *dynarec_local;
31extern u_int memory_map[1048576];
32extern u_int mini_ht[32][2];
33extern u_int rounding_modes[4];
34
35void indirect_jump_indexed();
36void indirect_jump();
37void do_interrupt();
38void jump_vaddr_r0();
39void jump_vaddr_r1();
40void jump_vaddr_r2();
41void jump_vaddr_r3();
42void jump_vaddr_r4();
43void jump_vaddr_r5();
44void jump_vaddr_r6();
45void jump_vaddr_r7();
46void jump_vaddr_r8();
47void jump_vaddr_r9();
48void jump_vaddr_r10();
49void jump_vaddr_r12();
50
51const u_int jump_vaddr_reg[16] = {
52 (int)jump_vaddr_r0,
53 (int)jump_vaddr_r1,
54 (int)jump_vaddr_r2,
55 (int)jump_vaddr_r3,
56 (int)jump_vaddr_r4,
57 (int)jump_vaddr_r5,
58 (int)jump_vaddr_r6,
59 (int)jump_vaddr_r7,
60 (int)jump_vaddr_r8,
61 (int)jump_vaddr_r9,
62 (int)jump_vaddr_r10,
63 0,
64 (int)jump_vaddr_r12,
65 0,
66 0,
67 0};
68
0bbd1454 69void invalidate_addr_r0();
70void invalidate_addr_r1();
71void invalidate_addr_r2();
72void invalidate_addr_r3();
73void invalidate_addr_r4();
74void invalidate_addr_r5();
75void invalidate_addr_r6();
76void invalidate_addr_r7();
77void invalidate_addr_r8();
78void invalidate_addr_r9();
79void invalidate_addr_r10();
80void invalidate_addr_r12();
81
82const u_int invalidate_addr_reg[16] = {
83 (int)invalidate_addr_r0,
84 (int)invalidate_addr_r1,
85 (int)invalidate_addr_r2,
86 (int)invalidate_addr_r3,
87 (int)invalidate_addr_r4,
88 (int)invalidate_addr_r5,
89 (int)invalidate_addr_r6,
90 (int)invalidate_addr_r7,
91 (int)invalidate_addr_r8,
92 (int)invalidate_addr_r9,
93 (int)invalidate_addr_r10,
94 0,
95 (int)invalidate_addr_r12,
96 0,
97 0,
98 0};
99
57871462 100#include "fpu.h"
101
dd3a91a1 102unsigned int needs_clear_cache[1<<(TARGET_SIZE_2-17)];
103
57871462 104/* Linker */
105
106void set_jump_target(int addr,u_int target)
107{
108 u_char *ptr=(u_char *)addr;
109 u_int *ptr2=(u_int *)ptr;
110 if(ptr[3]==0xe2) {
111 assert((target-(u_int)ptr2-8)<1024);
112 assert((addr&3)==0);
113 assert((target&3)==0);
114 *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>2)|0xF00;
115 //printf("target=%x addr=%x insn=%x\n",target,addr,*ptr2);
116 }
117 else if(ptr[3]==0x72) {
118 // generated by emit_jno_unlikely
119 if((target-(u_int)ptr2-8)<1024) {
120 assert((addr&3)==0);
121 assert((target&3)==0);
122 *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>2)|0xF00;
123 }
124 else if((target-(u_int)ptr2-8)<4096&&!((target-(u_int)ptr2-8)&15)) {
125 assert((addr&3)==0);
126 assert((target&3)==0);
127 *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>4)|0xE00;
128 }
129 else *ptr2=(0x7A000000)|(((target-(u_int)ptr2-8)<<6)>>8);
130 }
131 else {
132 assert((ptr[3]&0x0e)==0xa);
133 *ptr2=(*ptr2&0xFF000000)|(((target-(u_int)ptr2-8)<<6)>>8);
134 }
135}
136
137// This optionally copies the instruction from the target of the branch into
138// the space before the branch. Works, but the difference in speed is
139// usually insignificant.
140void set_jump_target_fillslot(int addr,u_int target,int copy)
141{
142 u_char *ptr=(u_char *)addr;
143 u_int *ptr2=(u_int *)ptr;
144 assert(!copy||ptr2[-1]==0xe28dd000);
145 if(ptr[3]==0xe2) {
146 assert(!copy);
147 assert((target-(u_int)ptr2-8)<4096);
148 *ptr2=(*ptr2&0xFFFFF000)|(target-(u_int)ptr2-8);
149 }
150 else {
151 assert((ptr[3]&0x0e)==0xa);
152 u_int target_insn=*(u_int *)target;
153 if((target_insn&0x0e100000)==0) { // ALU, no immediate, no flags
154 copy=0;
155 }
156 if((target_insn&0x0c100000)==0x04100000) { // Load
157 copy=0;
158 }
159 if(target_insn&0x08000000) {
160 copy=0;
161 }
162 if(copy) {
163 ptr2[-1]=target_insn;
164 target+=4;
165 }
166 *ptr2=(*ptr2&0xFF000000)|(((target-(u_int)ptr2-8)<<6)>>8);
167 }
168}
169
170/* Literal pool */
171add_literal(int addr,int val)
172{
173 literals[literalcount][0]=addr;
174 literals[literalcount][1]=val;
175 literalcount++;
176}
177
f76eeef9 178void *kill_pointer(void *stub)
57871462 179{
180 int *ptr=(int *)(stub+4);
181 assert((*ptr&0x0ff00000)==0x05900000);
182 u_int offset=*ptr&0xfff;
183 int **l_ptr=(void *)ptr+offset+8;
184 int *i_ptr=*l_ptr;
185 set_jump_target((int)i_ptr,(int)stub);
f76eeef9 186 return i_ptr;
57871462 187}
188
189int get_pointer(void *stub)
190{
191 //printf("get_pointer(%x)\n",(int)stub);
192 int *ptr=(int *)(stub+4);
193 assert((*ptr&0x0ff00000)==0x05900000);
194 u_int offset=*ptr&0xfff;
195 int **l_ptr=(void *)ptr+offset+8;
196 int *i_ptr=*l_ptr;
197 assert((*i_ptr&0x0f000000)==0x0a000000);
198 return (int)i_ptr+((*i_ptr<<8)>>6)+8;
199}
200
201// Find the "clean" entry point from a "dirty" entry point
202// by skipping past the call to verify_code
203u_int get_clean_addr(int addr)
204{
205 int *ptr=(int *)addr;
206 #ifdef ARMv5_ONLY
207 ptr+=4;
208 #else
209 ptr+=6;
210 #endif
211 if((*ptr&0xFF000000)!=0xeb000000) ptr++;
212 assert((*ptr&0xFF000000)==0xeb000000); // bl instruction
213 ptr++;
214 if((*ptr&0xFF000000)==0xea000000) {
215 return (int)ptr+((*ptr<<8)>>6)+8; // follow jump
216 }
217 return (u_int)ptr;
218}
219
220int verify_dirty(int addr)
221{
222 u_int *ptr=(u_int *)addr;
223 #ifdef ARMv5_ONLY
224 // get from literal pool
225 assert((*ptr&0xFFF00000)==0xe5900000);
226 u_int offset=*ptr&0xfff;
227 u_int *l_ptr=(void *)ptr+offset+8;
228 u_int source=l_ptr[0];
229 u_int copy=l_ptr[1];
230 u_int len=l_ptr[2];
231 ptr+=4;
232 #else
233 // ARMv7 movw/movt
234 assert((*ptr&0xFFF00000)==0xe3000000);
235 u_int source=(ptr[0]&0xFFF)+((ptr[0]>>4)&0xF000)+((ptr[2]<<16)&0xFFF0000)+((ptr[2]<<12)&0xF0000000);
236 u_int copy=(ptr[1]&0xFFF)+((ptr[1]>>4)&0xF000)+((ptr[3]<<16)&0xFFF0000)+((ptr[3]<<12)&0xF0000000);
237 u_int len=(ptr[4]&0xFFF)+((ptr[4]>>4)&0xF000);
238 ptr+=6;
239 #endif
240 if((*ptr&0xFF000000)!=0xeb000000) ptr++;
241 assert((*ptr&0xFF000000)==0xeb000000); // bl instruction
cfcba99a 242 u_int verifier=(int)ptr+((signed int)(*ptr<<8)>>6)+8; // get target of bl
57871462 243 if(verifier==(u_int)verify_code_vm||verifier==(u_int)verify_code_ds) {
244 unsigned int page=source>>12;
245 unsigned int map_value=memory_map[page];
246 if(map_value>=0x80000000) return 0;
247 while(page<((source+len-1)>>12)) {
248 if((memory_map[++page]<<2)!=(map_value<<2)) return 0;
249 }
250 source = source+(map_value<<2);
251 }
252 //printf("verify_dirty: %x %x %x\n",source,copy,len);
253 return !memcmp((void *)source,(void *)copy,len);
254}
255
256// This doesn't necessarily find all clean entry points, just
257// guarantees that it's not dirty
258int isclean(int addr)
259{
260 #ifdef ARMv5_ONLY
261 int *ptr=((u_int *)addr)+4;
262 #else
263 int *ptr=((u_int *)addr)+6;
264 #endif
265 if((*ptr&0xFF000000)!=0xeb000000) ptr++;
266 if((*ptr&0xFF000000)!=0xeb000000) return 1; // bl instruction
267 if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code) return 0;
268 if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code_vm) return 0;
269 if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code_ds) return 0;
270 return 1;
271}
272
273void get_bounds(int addr,u_int *start,u_int *end)
274{
275 u_int *ptr=(u_int *)addr;
276 #ifdef ARMv5_ONLY
277 // get from literal pool
278 assert((*ptr&0xFFF00000)==0xe5900000);
279 u_int offset=*ptr&0xfff;
280 u_int *l_ptr=(void *)ptr+offset+8;
281 u_int source=l_ptr[0];
282 //u_int copy=l_ptr[1];
283 u_int len=l_ptr[2];
284 ptr+=4;
285 #else
286 // ARMv7 movw/movt
287 assert((*ptr&0xFFF00000)==0xe3000000);
288 u_int source=(ptr[0]&0xFFF)+((ptr[0]>>4)&0xF000)+((ptr[2]<<16)&0xFFF0000)+((ptr[2]<<12)&0xF0000000);
289 //u_int copy=(ptr[1]&0xFFF)+((ptr[1]>>4)&0xF000)+((ptr[3]<<16)&0xFFF0000)+((ptr[3]<<12)&0xF0000000);
290 u_int len=(ptr[4]&0xFFF)+((ptr[4]>>4)&0xF000);
291 ptr+=6;
292 #endif
293 if((*ptr&0xFF000000)!=0xeb000000) ptr++;
294 assert((*ptr&0xFF000000)==0xeb000000); // bl instruction
cfcba99a 295 u_int verifier=(int)ptr+((signed int)(*ptr<<8)>>6)+8; // get target of bl
57871462 296 if(verifier==(u_int)verify_code_vm||verifier==(u_int)verify_code_ds) {
297 if(memory_map[source>>12]>=0x80000000) source = 0;
298 else source = source+(memory_map[source>>12]<<2);
299 }
300 *start=source;
301 *end=source+len;
302}
303
304/* Register allocation */
305
306// Note: registers are allocated clean (unmodified state)
307// if you intend to modify the register, you must call dirty_reg().
308void alloc_reg(struct regstat *cur,int i,signed char reg)
309{
310 int r,hr;
311 int preferred_reg = (reg&7);
312 if(reg==CCREG) preferred_reg=HOST_CCREG;
313 if(reg==PTEMP||reg==FTEMP) preferred_reg=12;
314
315 // Don't allocate unused registers
316 if((cur->u>>reg)&1) return;
317
318 // see if it's already allocated
319 for(hr=0;hr<HOST_REGS;hr++)
320 {
321 if(cur->regmap[hr]==reg) return;
322 }
323
324 // Keep the same mapping if the register was already allocated in a loop
325 preferred_reg = loop_reg(i,reg,preferred_reg);
326
327 // Try to allocate the preferred register
328 if(cur->regmap[preferred_reg]==-1) {
329 cur->regmap[preferred_reg]=reg;
330 cur->dirty&=~(1<<preferred_reg);
331 cur->isconst&=~(1<<preferred_reg);
332 return;
333 }
334 r=cur->regmap[preferred_reg];
335 if(r<64&&((cur->u>>r)&1)) {
336 cur->regmap[preferred_reg]=reg;
337 cur->dirty&=~(1<<preferred_reg);
338 cur->isconst&=~(1<<preferred_reg);
339 return;
340 }
341 if(r>=64&&((cur->uu>>(r&63))&1)) {
342 cur->regmap[preferred_reg]=reg;
343 cur->dirty&=~(1<<preferred_reg);
344 cur->isconst&=~(1<<preferred_reg);
345 return;
346 }
347
348 // Clear any unneeded registers
349 // We try to keep the mapping consistent, if possible, because it
350 // makes branches easier (especially loops). So we try to allocate
351 // first (see above) before removing old mappings. If this is not
352 // possible then go ahead and clear out the registers that are no
353 // longer needed.
354 for(hr=0;hr<HOST_REGS;hr++)
355 {
356 r=cur->regmap[hr];
357 if(r>=0) {
358 if(r<64) {
359 if((cur->u>>r)&1) {cur->regmap[hr]=-1;break;}
360 }
361 else
362 {
363 if((cur->uu>>(r&63))&1) {cur->regmap[hr]=-1;break;}
364 }
365 }
366 }
367 // Try to allocate any available register, but prefer
368 // registers that have not been used recently.
369 if(i>0) {
370 for(hr=0;hr<HOST_REGS;hr++) {
371 if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) {
372 if(regs[i-1].regmap[hr]!=rs1[i-1]&&regs[i-1].regmap[hr]!=rs2[i-1]&&regs[i-1].regmap[hr]!=rt1[i-1]&&regs[i-1].regmap[hr]!=rt2[i-1]) {
373 cur->regmap[hr]=reg;
374 cur->dirty&=~(1<<hr);
375 cur->isconst&=~(1<<hr);
376 return;
377 }
378 }
379 }
380 }
381 // Try to allocate any available register
382 for(hr=0;hr<HOST_REGS;hr++) {
383 if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) {
384 cur->regmap[hr]=reg;
385 cur->dirty&=~(1<<hr);
386 cur->isconst&=~(1<<hr);
387 return;
388 }
389 }
390
391 // Ok, now we have to evict someone
392 // Pick a register we hopefully won't need soon
393 u_char hsn[MAXREG+1];
394 memset(hsn,10,sizeof(hsn));
395 int j;
396 lsn(hsn,i,&preferred_reg);
397 //printf("eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",cur->regmap[0],cur->regmap[1],cur->regmap[2],cur->regmap[3],cur->regmap[5],cur->regmap[6],cur->regmap[7]);
398 //printf("hsn(%x): %d %d %d %d %d %d %d\n",start+i*4,hsn[cur->regmap[0]&63],hsn[cur->regmap[1]&63],hsn[cur->regmap[2]&63],hsn[cur->regmap[3]&63],hsn[cur->regmap[5]&63],hsn[cur->regmap[6]&63],hsn[cur->regmap[7]&63]);
399 if(i>0) {
400 // Don't evict the cycle count at entry points, otherwise the entry
401 // stub will have to write it.
402 if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2;
403 if(i>1&&hsn[CCREG]>2&&(itype[i-2]==RJUMP||itype[i-2]==UJUMP||itype[i-2]==CJUMP||itype[i-2]==SJUMP||itype[i-2]==FJUMP)) hsn[CCREG]=2;
404 for(j=10;j>=3;j--)
405 {
406 // Alloc preferred register if available
407 if(hsn[r=cur->regmap[preferred_reg]&63]==j) {
408 for(hr=0;hr<HOST_REGS;hr++) {
409 // Evict both parts of a 64-bit register
410 if((cur->regmap[hr]&63)==r) {
411 cur->regmap[hr]=-1;
412 cur->dirty&=~(1<<hr);
413 cur->isconst&=~(1<<hr);
414 }
415 }
416 cur->regmap[preferred_reg]=reg;
417 return;
418 }
419 for(r=1;r<=MAXREG;r++)
420 {
421 if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) {
422 for(hr=0;hr<HOST_REGS;hr++) {
423 if(hr!=HOST_CCREG||j<hsn[CCREG]) {
424 if(cur->regmap[hr]==r+64) {
425 cur->regmap[hr]=reg;
426 cur->dirty&=~(1<<hr);
427 cur->isconst&=~(1<<hr);
428 return;
429 }
430 }
431 }
432 for(hr=0;hr<HOST_REGS;hr++) {
433 if(hr!=HOST_CCREG||j<hsn[CCREG]) {
434 if(cur->regmap[hr]==r) {
435 cur->regmap[hr]=reg;
436 cur->dirty&=~(1<<hr);
437 cur->isconst&=~(1<<hr);
438 return;
439 }
440 }
441 }
442 }
443 }
444 }
445 }
446 for(j=10;j>=0;j--)
447 {
448 for(r=1;r<=MAXREG;r++)
449 {
450 if(hsn[r]==j) {
451 for(hr=0;hr<HOST_REGS;hr++) {
452 if(cur->regmap[hr]==r+64) {
453 cur->regmap[hr]=reg;
454 cur->dirty&=~(1<<hr);
455 cur->isconst&=~(1<<hr);
456 return;
457 }
458 }
459 for(hr=0;hr<HOST_REGS;hr++) {
460 if(cur->regmap[hr]==r) {
461 cur->regmap[hr]=reg;
462 cur->dirty&=~(1<<hr);
463 cur->isconst&=~(1<<hr);
464 return;
465 }
466 }
467 }
468 }
469 }
470 printf("This shouldn't happen (alloc_reg)");exit(1);
471}
472
473void alloc_reg64(struct regstat *cur,int i,signed char reg)
474{
475 int preferred_reg = 8+(reg&1);
476 int r,hr;
477
478 // allocate the lower 32 bits
479 alloc_reg(cur,i,reg);
480
481 // Don't allocate unused registers
482 if((cur->uu>>reg)&1) return;
483
484 // see if the upper half is already allocated
485 for(hr=0;hr<HOST_REGS;hr++)
486 {
487 if(cur->regmap[hr]==reg+64) return;
488 }
489
490 // Keep the same mapping if the register was already allocated in a loop
491 preferred_reg = loop_reg(i,reg,preferred_reg);
492
493 // Try to allocate the preferred register
494 if(cur->regmap[preferred_reg]==-1) {
495 cur->regmap[preferred_reg]=reg|64;
496 cur->dirty&=~(1<<preferred_reg);
497 cur->isconst&=~(1<<preferred_reg);
498 return;
499 }
500 r=cur->regmap[preferred_reg];
501 if(r<64&&((cur->u>>r)&1)) {
502 cur->regmap[preferred_reg]=reg|64;
503 cur->dirty&=~(1<<preferred_reg);
504 cur->isconst&=~(1<<preferred_reg);
505 return;
506 }
507 if(r>=64&&((cur->uu>>(r&63))&1)) {
508 cur->regmap[preferred_reg]=reg|64;
509 cur->dirty&=~(1<<preferred_reg);
510 cur->isconst&=~(1<<preferred_reg);
511 return;
512 }
513
514 // Clear any unneeded registers
515 // We try to keep the mapping consistent, if possible, because it
516 // makes branches easier (especially loops). So we try to allocate
517 // first (see above) before removing old mappings. If this is not
518 // possible then go ahead and clear out the registers that are no
519 // longer needed.
520 for(hr=HOST_REGS-1;hr>=0;hr--)
521 {
522 r=cur->regmap[hr];
523 if(r>=0) {
524 if(r<64) {
525 if((cur->u>>r)&1) {cur->regmap[hr]=-1;break;}
526 }
527 else
528 {
529 if((cur->uu>>(r&63))&1) {cur->regmap[hr]=-1;break;}
530 }
531 }
532 }
533 // Try to allocate any available register, but prefer
534 // registers that have not been used recently.
535 if(i>0) {
536 for(hr=0;hr<HOST_REGS;hr++) {
537 if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) {
538 if(regs[i-1].regmap[hr]!=rs1[i-1]&&regs[i-1].regmap[hr]!=rs2[i-1]&&regs[i-1].regmap[hr]!=rt1[i-1]&&regs[i-1].regmap[hr]!=rt2[i-1]) {
539 cur->regmap[hr]=reg|64;
540 cur->dirty&=~(1<<hr);
541 cur->isconst&=~(1<<hr);
542 return;
543 }
544 }
545 }
546 }
547 // Try to allocate any available register
548 for(hr=0;hr<HOST_REGS;hr++) {
549 if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) {
550 cur->regmap[hr]=reg|64;
551 cur->dirty&=~(1<<hr);
552 cur->isconst&=~(1<<hr);
553 return;
554 }
555 }
556
557 // Ok, now we have to evict someone
558 // Pick a register we hopefully won't need soon
559 u_char hsn[MAXREG+1];
560 memset(hsn,10,sizeof(hsn));
561 int j;
562 lsn(hsn,i,&preferred_reg);
563 //printf("eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",cur->regmap[0],cur->regmap[1],cur->regmap[2],cur->regmap[3],cur->regmap[5],cur->regmap[6],cur->regmap[7]);
564 //printf("hsn(%x): %d %d %d %d %d %d %d\n",start+i*4,hsn[cur->regmap[0]&63],hsn[cur->regmap[1]&63],hsn[cur->regmap[2]&63],hsn[cur->regmap[3]&63],hsn[cur->regmap[5]&63],hsn[cur->regmap[6]&63],hsn[cur->regmap[7]&63]);
565 if(i>0) {
566 // Don't evict the cycle count at entry points, otherwise the entry
567 // stub will have to write it.
568 if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2;
569 if(i>1&&hsn[CCREG]>2&&(itype[i-2]==RJUMP||itype[i-2]==UJUMP||itype[i-2]==CJUMP||itype[i-2]==SJUMP||itype[i-2]==FJUMP)) hsn[CCREG]=2;
570 for(j=10;j>=3;j--)
571 {
572 // Alloc preferred register if available
573 if(hsn[r=cur->regmap[preferred_reg]&63]==j) {
574 for(hr=0;hr<HOST_REGS;hr++) {
575 // Evict both parts of a 64-bit register
576 if((cur->regmap[hr]&63)==r) {
577 cur->regmap[hr]=-1;
578 cur->dirty&=~(1<<hr);
579 cur->isconst&=~(1<<hr);
580 }
581 }
582 cur->regmap[preferred_reg]=reg|64;
583 return;
584 }
585 for(r=1;r<=MAXREG;r++)
586 {
587 if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) {
588 for(hr=0;hr<HOST_REGS;hr++) {
589 if(hr!=HOST_CCREG||j<hsn[CCREG]) {
590 if(cur->regmap[hr]==r+64) {
591 cur->regmap[hr]=reg|64;
592 cur->dirty&=~(1<<hr);
593 cur->isconst&=~(1<<hr);
594 return;
595 }
596 }
597 }
598 for(hr=0;hr<HOST_REGS;hr++) {
599 if(hr!=HOST_CCREG||j<hsn[CCREG]) {
600 if(cur->regmap[hr]==r) {
601 cur->regmap[hr]=reg|64;
602 cur->dirty&=~(1<<hr);
603 cur->isconst&=~(1<<hr);
604 return;
605 }
606 }
607 }
608 }
609 }
610 }
611 }
612 for(j=10;j>=0;j--)
613 {
614 for(r=1;r<=MAXREG;r++)
615 {
616 if(hsn[r]==j) {
617 for(hr=0;hr<HOST_REGS;hr++) {
618 if(cur->regmap[hr]==r+64) {
619 cur->regmap[hr]=reg|64;
620 cur->dirty&=~(1<<hr);
621 cur->isconst&=~(1<<hr);
622 return;
623 }
624 }
625 for(hr=0;hr<HOST_REGS;hr++) {
626 if(cur->regmap[hr]==r) {
627 cur->regmap[hr]=reg|64;
628 cur->dirty&=~(1<<hr);
629 cur->isconst&=~(1<<hr);
630 return;
631 }
632 }
633 }
634 }
635 }
636 printf("This shouldn't happen");exit(1);
637}
638
639// Allocate a temporary register. This is done without regard to
640// dirty status or whether the register we request is on the unneeded list
641// Note: This will only allocate one register, even if called multiple times
642void alloc_reg_temp(struct regstat *cur,int i,signed char reg)
643{
644 int r,hr;
645 int preferred_reg = -1;
646
647 // see if it's already allocated
648 for(hr=0;hr<HOST_REGS;hr++)
649 {
650 if(hr!=EXCLUDE_REG&&cur->regmap[hr]==reg) return;
651 }
652
653 // Try to allocate any available register
654 for(hr=HOST_REGS-1;hr>=0;hr--) {
655 if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) {
656 cur->regmap[hr]=reg;
657 cur->dirty&=~(1<<hr);
658 cur->isconst&=~(1<<hr);
659 return;
660 }
661 }
662
663 // Find an unneeded register
664 for(hr=HOST_REGS-1;hr>=0;hr--)
665 {
666 r=cur->regmap[hr];
667 if(r>=0) {
668 if(r<64) {
669 if((cur->u>>r)&1) {
670 if(i==0||((unneeded_reg[i-1]>>r)&1)) {
671 cur->regmap[hr]=reg;
672 cur->dirty&=~(1<<hr);
673 cur->isconst&=~(1<<hr);
674 return;
675 }
676 }
677 }
678 else
679 {
680 if((cur->uu>>(r&63))&1) {
681 if(i==0||((unneeded_reg_upper[i-1]>>(r&63))&1)) {
682 cur->regmap[hr]=reg;
683 cur->dirty&=~(1<<hr);
684 cur->isconst&=~(1<<hr);
685 return;
686 }
687 }
688 }
689 }
690 }
691
692 // Ok, now we have to evict someone
693 // Pick a register we hopefully won't need soon
694 // TODO: we might want to follow unconditional jumps here
695 // TODO: get rid of dupe code and make this into a function
696 u_char hsn[MAXREG+1];
697 memset(hsn,10,sizeof(hsn));
698 int j;
699 lsn(hsn,i,&preferred_reg);
700 //printf("hsn: %d %d %d %d %d %d %d\n",hsn[cur->regmap[0]&63],hsn[cur->regmap[1]&63],hsn[cur->regmap[2]&63],hsn[cur->regmap[3]&63],hsn[cur->regmap[5]&63],hsn[cur->regmap[6]&63],hsn[cur->regmap[7]&63]);
701 if(i>0) {
702 // Don't evict the cycle count at entry points, otherwise the entry
703 // stub will have to write it.
704 if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2;
705 if(i>1&&hsn[CCREG]>2&&(itype[i-2]==RJUMP||itype[i-2]==UJUMP||itype[i-2]==CJUMP||itype[i-2]==SJUMP||itype[i-2]==FJUMP)) hsn[CCREG]=2;
706 for(j=10;j>=3;j--)
707 {
708 for(r=1;r<=MAXREG;r++)
709 {
710 if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) {
711 for(hr=0;hr<HOST_REGS;hr++) {
712 if(hr!=HOST_CCREG||hsn[CCREG]>2) {
713 if(cur->regmap[hr]==r+64) {
714 cur->regmap[hr]=reg;
715 cur->dirty&=~(1<<hr);
716 cur->isconst&=~(1<<hr);
717 return;
718 }
719 }
720 }
721 for(hr=0;hr<HOST_REGS;hr++) {
722 if(hr!=HOST_CCREG||hsn[CCREG]>2) {
723 if(cur->regmap[hr]==r) {
724 cur->regmap[hr]=reg;
725 cur->dirty&=~(1<<hr);
726 cur->isconst&=~(1<<hr);
727 return;
728 }
729 }
730 }
731 }
732 }
733 }
734 }
735 for(j=10;j>=0;j--)
736 {
737 for(r=1;r<=MAXREG;r++)
738 {
739 if(hsn[r]==j) {
740 for(hr=0;hr<HOST_REGS;hr++) {
741 if(cur->regmap[hr]==r+64) {
742 cur->regmap[hr]=reg;
743 cur->dirty&=~(1<<hr);
744 cur->isconst&=~(1<<hr);
745 return;
746 }
747 }
748 for(hr=0;hr<HOST_REGS;hr++) {
749 if(cur->regmap[hr]==r) {
750 cur->regmap[hr]=reg;
751 cur->dirty&=~(1<<hr);
752 cur->isconst&=~(1<<hr);
753 return;
754 }
755 }
756 }
757 }
758 }
759 printf("This shouldn't happen");exit(1);
760}
761// Allocate a specific ARM register.
762void alloc_arm_reg(struct regstat *cur,int i,signed char reg,char hr)
763{
764 int n;
765
766 // see if it's already allocated (and dealloc it)
767 for(n=0;n<HOST_REGS;n++)
768 {
769 if(n!=EXCLUDE_REG&&cur->regmap[n]==reg) {cur->regmap[n]=-1;}
770 }
771
772 cur->regmap[hr]=reg;
773 cur->dirty&=~(1<<hr);
774 cur->isconst&=~(1<<hr);
775}
776
777// Alloc cycle count into dedicated register
778alloc_cc(struct regstat *cur,int i)
779{
780 alloc_arm_reg(cur,i,CCREG,HOST_CCREG);
781}
782
783/* Special alloc */
784
785
786/* Assembler */
787
788char regname[16][4] = {
789 "r0",
790 "r1",
791 "r2",
792 "r3",
793 "r4",
794 "r5",
795 "r6",
796 "r7",
797 "r8",
798 "r9",
799 "r10",
800 "fp",
801 "r12",
802 "sp",
803 "lr",
804 "pc"};
805
806void output_byte(u_char byte)
807{
808 *(out++)=byte;
809}
810void output_modrm(u_char mod,u_char rm,u_char ext)
811{
812 assert(mod<4);
813 assert(rm<8);
814 assert(ext<8);
815 u_char byte=(mod<<6)|(ext<<3)|rm;
816 *(out++)=byte;
817}
818void output_sib(u_char scale,u_char index,u_char base)
819{
820 assert(scale<4);
821 assert(index<8);
822 assert(base<8);
823 u_char byte=(scale<<6)|(index<<3)|base;
824 *(out++)=byte;
825}
826void output_w32(u_int word)
827{
828 *((u_int *)out)=word;
829 out+=4;
830}
831u_int rd_rn_rm(u_int rd, u_int rn, u_int rm)
832{
833 assert(rd<16);
834 assert(rn<16);
835 assert(rm<16);
836 return((rn<<16)|(rd<<12)|rm);
837}
838u_int rd_rn_imm_shift(u_int rd, u_int rn, u_int imm, u_int shift)
839{
840 assert(rd<16);
841 assert(rn<16);
842 assert(imm<256);
843 assert((shift&1)==0);
844 return((rn<<16)|(rd<<12)|(((32-shift)&30)<<7)|imm);
845}
846u_int genimm(u_int imm,u_int *encoded)
847{
848 if(imm==0) {*encoded=0;return 1;}
849 int i=32;
850 while(i>0)
851 {
852 if(imm<256) {
853 *encoded=((i&30)<<7)|imm;
854 return 1;
855 }
856 imm=(imm>>2)|(imm<<30);i-=2;
857 }
858 return 0;
859}
cfbd3c6e 860void genimm_checked(u_int imm,u_int *encoded)
861{
862 u_int ret=genimm(imm,encoded);
863 assert(ret);
864}
57871462 865u_int genjmp(u_int addr)
866{
867 int offset=addr-(int)out-8;
e80343e2 868 if(offset<-33554432||offset>=33554432) {
869 if (addr>2) {
870 printf("genjmp: out of range: %08x\n", offset);
871 exit(1);
872 }
873 return 0;
874 }
57871462 875 return ((u_int)offset>>2)&0xffffff;
876}
877
878void emit_mov(int rs,int rt)
879{
880 assem_debug("mov %s,%s\n",regname[rt],regname[rs]);
881 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs));
882}
883
884void emit_movs(int rs,int rt)
885{
886 assem_debug("movs %s,%s\n",regname[rt],regname[rs]);
887 output_w32(0xe1b00000|rd_rn_rm(rt,0,rs));
888}
889
890void emit_add(int rs1,int rs2,int rt)
891{
892 assem_debug("add %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
893 output_w32(0xe0800000|rd_rn_rm(rt,rs1,rs2));
894}
895
896void emit_adds(int rs1,int rs2,int rt)
897{
898 assem_debug("adds %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
899 output_w32(0xe0900000|rd_rn_rm(rt,rs1,rs2));
900}
901
902void emit_adcs(int rs1,int rs2,int rt)
903{
904 assem_debug("adcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
905 output_w32(0xe0b00000|rd_rn_rm(rt,rs1,rs2));
906}
907
908void emit_sbc(int rs1,int rs2,int rt)
909{
910 assem_debug("sbc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
911 output_w32(0xe0c00000|rd_rn_rm(rt,rs1,rs2));
912}
913
914void emit_sbcs(int rs1,int rs2,int rt)
915{
916 assem_debug("sbcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
917 output_w32(0xe0d00000|rd_rn_rm(rt,rs1,rs2));
918}
919
920void emit_neg(int rs, int rt)
921{
922 assem_debug("rsb %s,%s,#0\n",regname[rt],regname[rs]);
923 output_w32(0xe2600000|rd_rn_rm(rt,rs,0));
924}
925
926void emit_negs(int rs, int rt)
927{
928 assem_debug("rsbs %s,%s,#0\n",regname[rt],regname[rs]);
929 output_w32(0xe2700000|rd_rn_rm(rt,rs,0));
930}
931
932void emit_sub(int rs1,int rs2,int rt)
933{
934 assem_debug("sub %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
935 output_w32(0xe0400000|rd_rn_rm(rt,rs1,rs2));
936}
937
938void emit_subs(int rs1,int rs2,int rt)
939{
940 assem_debug("subs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
941 output_w32(0xe0500000|rd_rn_rm(rt,rs1,rs2));
942}
943
944void emit_zeroreg(int rt)
945{
946 assem_debug("mov %s,#0\n",regname[rt]);
947 output_w32(0xe3a00000|rd_rn_rm(rt,0,0));
948}
949
790ee18e 950void emit_loadlp(u_int imm,u_int rt)
951{
952 add_literal((int)out,imm);
953 assem_debug("ldr %s,pc+? [=%x]\n",regname[rt],imm);
954 output_w32(0xe5900000|rd_rn_rm(rt,15,0));
955}
956void emit_movw(u_int imm,u_int rt)
957{
958 assert(imm<65536);
959 assem_debug("movw %s,#%d (0x%x)\n",regname[rt],imm,imm);
960 output_w32(0xe3000000|rd_rn_rm(rt,0,0)|(imm&0xfff)|((imm<<4)&0xf0000));
961}
962void emit_movt(u_int imm,u_int rt)
963{
964 assem_debug("movt %s,#%d (0x%x)\n",regname[rt],imm&0xffff0000,imm&0xffff0000);
965 output_w32(0xe3400000|rd_rn_rm(rt,0,0)|((imm>>16)&0xfff)|((imm>>12)&0xf0000));
966}
967void emit_movimm(u_int imm,u_int rt)
968{
969 u_int armval;
970 if(genimm(imm,&armval)) {
971 assem_debug("mov %s,#%d\n",regname[rt],imm);
972 output_w32(0xe3a00000|rd_rn_rm(rt,0,0)|armval);
973 }else if(genimm(~imm,&armval)) {
974 assem_debug("mvn %s,#%d\n",regname[rt],imm);
975 output_w32(0xe3e00000|rd_rn_rm(rt,0,0)|armval);
976 }else if(imm<65536) {
977 #ifdef ARMv5_ONLY
978 assem_debug("mov %s,#%d\n",regname[rt],imm&0xFF00);
979 output_w32(0xe3a00000|rd_rn_imm_shift(rt,0,imm>>8,8));
980 assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF);
981 output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm&0xff,0));
982 #else
983 emit_movw(imm,rt);
984 #endif
985 }else{
986 #ifdef ARMv5_ONLY
987 emit_loadlp(imm,rt);
988 #else
989 emit_movw(imm&0x0000FFFF,rt);
990 emit_movt(imm&0xFFFF0000,rt);
991 #endif
992 }
993}
994void emit_pcreladdr(u_int rt)
995{
996 assem_debug("add %s,pc,#?\n",regname[rt]);
997 output_w32(0xe2800000|rd_rn_rm(rt,15,0));
998}
999
57871462 1000void emit_loadreg(int r, int hr)
1001{
3d624f89 1002#ifdef FORCE32
1003 if(r&64) {
1004 printf("64bit load in 32bit mode!\n");
1005 exit(1);
1006 }
1007#endif
57871462 1008 if((r&63)==0)
1009 emit_zeroreg(hr);
1010 else {
3d624f89 1011 int addr=((int)reg)+((r&63)<<REG_SHIFT)+((r&64)>>4);
57871462 1012 if((r&63)==HIREG) addr=(int)&hi+((r&64)>>4);
1013 if((r&63)==LOREG) addr=(int)&lo+((r&64)>>4);
1014 if(r==CCREG) addr=(int)&cycle_count;
1015 if(r==CSREG) addr=(int)&Status;
1016 if(r==FSREG) addr=(int)&FCR31;
1017 if(r==INVCP) addr=(int)&invc_ptr;
1018 u_int offset = addr-(u_int)&dynarec_local;
1019 assert(offset<4096);
1020 assem_debug("ldr %s,fp+%d\n",regname[hr],offset);
1021 output_w32(0xe5900000|rd_rn_rm(hr,FP,0)|offset);
1022 }
1023}
1024void emit_storereg(int r, int hr)
1025{
3d624f89 1026#ifdef FORCE32
1027 if(r&64) {
1028 printf("64bit store in 32bit mode!\n");
1029 exit(1);
1030 }
1031#endif
1032 int addr=((int)reg)+((r&63)<<REG_SHIFT)+((r&64)>>4);
57871462 1033 if((r&63)==HIREG) addr=(int)&hi+((r&64)>>4);
1034 if((r&63)==LOREG) addr=(int)&lo+((r&64)>>4);
1035 if(r==CCREG) addr=(int)&cycle_count;
1036 if(r==FSREG) addr=(int)&FCR31;
1037 u_int offset = addr-(u_int)&dynarec_local;
1038 assert(offset<4096);
1039 assem_debug("str %s,fp+%d\n",regname[hr],offset);
1040 output_w32(0xe5800000|rd_rn_rm(hr,FP,0)|offset);
1041}
1042
1043void emit_test(int rs, int rt)
1044{
1045 assem_debug("tst %s,%s\n",regname[rs],regname[rt]);
1046 output_w32(0xe1100000|rd_rn_rm(0,rs,rt));
1047}
1048
1049void emit_testimm(int rs,int imm)
1050{
1051 u_int armval;
1052 assem_debug("tst %s,$%d\n",regname[rs],imm);
cfbd3c6e 1053 genimm_checked(imm,&armval);
57871462 1054 output_w32(0xe3100000|rd_rn_rm(0,rs,0)|armval);
1055}
1056
b9b61529 1057void emit_testeqimm(int rs,int imm)
1058{
1059 u_int armval;
1060 assem_debug("tsteq %s,$%d\n",regname[rs],imm);
cfbd3c6e 1061 genimm_checked(imm,&armval);
b9b61529 1062 output_w32(0x03100000|rd_rn_rm(0,rs,0)|armval);
1063}
1064
57871462 1065void emit_not(int rs,int rt)
1066{
1067 assem_debug("mvn %s,%s\n",regname[rt],regname[rs]);
1068 output_w32(0xe1e00000|rd_rn_rm(rt,0,rs));
1069}
1070
b9b61529 1071void emit_mvnmi(int rs,int rt)
1072{
1073 assem_debug("mvnmi %s,%s\n",regname[rt],regname[rs]);
1074 output_w32(0x41e00000|rd_rn_rm(rt,0,rs));
1075}
1076
57871462 1077void emit_and(u_int rs1,u_int rs2,u_int rt)
1078{
1079 assem_debug("and %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1080 output_w32(0xe0000000|rd_rn_rm(rt,rs1,rs2));
1081}
1082
1083void emit_or(u_int rs1,u_int rs2,u_int rt)
1084{
1085 assem_debug("orr %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1086 output_w32(0xe1800000|rd_rn_rm(rt,rs1,rs2));
1087}
1088void emit_or_and_set_flags(int rs1,int rs2,int rt)
1089{
1090 assem_debug("orrs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1091 output_w32(0xe1900000|rd_rn_rm(rt,rs1,rs2));
1092}
1093
f70d384d 1094void emit_orrshl_imm(u_int rs,u_int imm,u_int rt)
1095{
1096 assert(rs<16);
1097 assert(rt<16);
1098 assert(imm<32);
1099 assem_debug("orr %s,%s,%s,lsl #%d\n",regname[rt],regname[rt],regname[rs],imm);
1100 output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|(imm<<7));
1101}
1102
576bbd8f 1103void emit_orrshr_imm(u_int rs,u_int imm,u_int rt)
1104{
1105 assert(rs<16);
1106 assert(rt<16);
1107 assert(imm<32);
1108 assem_debug("orr %s,%s,%s,lsr #%d\n",regname[rt],regname[rt],regname[rs],imm);
1109 output_w32(0xe1800020|rd_rn_rm(rt,rt,rs)|(imm<<7));
1110}
1111
57871462 1112void emit_xor(u_int rs1,u_int rs2,u_int rt)
1113{
1114 assem_debug("eor %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1115 output_w32(0xe0200000|rd_rn_rm(rt,rs1,rs2));
1116}
1117
57871462 1118void emit_addimm(u_int rs,int imm,u_int rt)
1119{
1120 assert(rs<16);
1121 assert(rt<16);
1122 if(imm!=0) {
1123 assert(imm>-65536&&imm<65536);
1124 u_int armval;
1125 if(genimm(imm,&armval)) {
1126 assem_debug("add %s,%s,#%d\n",regname[rt],regname[rs],imm);
1127 output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval);
1128 }else if(genimm(-imm,&armval)) {
1129 assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],imm);
1130 output_w32(0xe2400000|rd_rn_rm(rt,rs,0)|armval);
1131 }else if(imm<0) {
1132 assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],(-imm)&0xFF00);
1133 assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF);
1134 output_w32(0xe2400000|rd_rn_imm_shift(rt,rs,(-imm)>>8,8));
1135 output_w32(0xe2400000|rd_rn_imm_shift(rt,rt,(-imm)&0xff,0));
1136 }else{
1137 assem_debug("add %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00);
1138 assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF);
1139 output_w32(0xe2800000|rd_rn_imm_shift(rt,rs,imm>>8,8));
1140 output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm&0xff,0));
1141 }
1142 }
1143 else if(rs!=rt) emit_mov(rs,rt);
1144}
1145
1146void emit_addimm_and_set_flags(int imm,int rt)
1147{
1148 assert(imm>-65536&&imm<65536);
1149 u_int armval;
1150 if(genimm(imm,&armval)) {
1151 assem_debug("adds %s,%s,#%d\n",regname[rt],regname[rt],imm);
1152 output_w32(0xe2900000|rd_rn_rm(rt,rt,0)|armval);
1153 }else if(genimm(-imm,&armval)) {
1154 assem_debug("subs %s,%s,#%d\n",regname[rt],regname[rt],imm);
1155 output_w32(0xe2500000|rd_rn_rm(rt,rt,0)|armval);
1156 }else if(imm<0) {
1157 assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF00);
1158 assem_debug("subs %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF);
1159 output_w32(0xe2400000|rd_rn_imm_shift(rt,rt,(-imm)>>8,8));
1160 output_w32(0xe2500000|rd_rn_imm_shift(rt,rt,(-imm)&0xff,0));
1161 }else{
1162 assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF00);
1163 assem_debug("adds %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF);
1164 output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm>>8,8));
1165 output_w32(0xe2900000|rd_rn_imm_shift(rt,rt,imm&0xff,0));
1166 }
1167}
1168void emit_addimm_no_flags(u_int imm,u_int rt)
1169{
1170 emit_addimm(rt,imm,rt);
1171}
1172
1173void emit_addnop(u_int r)
1174{
1175 assert(r<16);
1176 assem_debug("add %s,%s,#0 (nop)\n",regname[r],regname[r]);
1177 output_w32(0xe2800000|rd_rn_rm(r,r,0));
1178}
1179
1180void emit_adcimm(u_int rs,int imm,u_int rt)
1181{
1182 u_int armval;
cfbd3c6e 1183 genimm_checked(imm,&armval);
57871462 1184 assem_debug("adc %s,%s,#%d\n",regname[rt],regname[rs],imm);
1185 output_w32(0xe2a00000|rd_rn_rm(rt,rs,0)|armval);
1186}
1187/*void emit_sbcimm(int imm,u_int rt)
1188{
1189 u_int armval;
cfbd3c6e 1190 genimm_checked(imm,&armval);
57871462 1191 assem_debug("sbc %s,%s,#%d\n",regname[rt],regname[rt],imm);
1192 output_w32(0xe2c00000|rd_rn_rm(rt,rt,0)|armval);
1193}*/
1194void emit_sbbimm(int imm,u_int rt)
1195{
1196 assem_debug("sbb $%d,%%%s\n",imm,regname[rt]);
1197 assert(rt<8);
1198 if(imm<128&&imm>=-128) {
1199 output_byte(0x83);
1200 output_modrm(3,rt,3);
1201 output_byte(imm);
1202 }
1203 else
1204 {
1205 output_byte(0x81);
1206 output_modrm(3,rt,3);
1207 output_w32(imm);
1208 }
1209}
1210void emit_rscimm(int rs,int imm,u_int rt)
1211{
1212 assert(0);
1213 u_int armval;
cfbd3c6e 1214 genimm_checked(imm,&armval);
57871462 1215 assem_debug("rsc %s,%s,#%d\n",regname[rt],regname[rs],imm);
1216 output_w32(0xe2e00000|rd_rn_rm(rt,rs,0)|armval);
1217}
1218
1219void emit_addimm64_32(int rsh,int rsl,int imm,int rth,int rtl)
1220{
1221 // TODO: if(genimm(imm,&armval)) ...
1222 // else
1223 emit_movimm(imm,HOST_TEMPREG);
1224 emit_adds(HOST_TEMPREG,rsl,rtl);
1225 emit_adcimm(rsh,0,rth);
1226}
1227
1228void emit_sbb(int rs1,int rs2)
1229{
1230 assem_debug("sbb %%%s,%%%s\n",regname[rs2],regname[rs1]);
1231 output_byte(0x19);
1232 output_modrm(3,rs1,rs2);
1233}
1234
1235void emit_andimm(int rs,int imm,int rt)
1236{
1237 u_int armval;
790ee18e 1238 if(imm==0) {
1239 emit_zeroreg(rt);
1240 }else if(genimm(imm,&armval)) {
57871462 1241 assem_debug("and %s,%s,#%d\n",regname[rt],regname[rs],imm);
1242 output_w32(0xe2000000|rd_rn_rm(rt,rs,0)|armval);
1243 }else if(genimm(~imm,&armval)) {
1244 assem_debug("bic %s,%s,#%d\n",regname[rt],regname[rs],imm);
1245 output_w32(0xe3c00000|rd_rn_rm(rt,rs,0)|armval);
1246 }else if(imm==65535) {
1247 #ifdef ARMv5_ONLY
1248 assem_debug("bic %s,%s,#FF000000\n",regname[rt],regname[rs]);
1249 output_w32(0xe3c00000|rd_rn_rm(rt,rs,0)|0x4FF);
1250 assem_debug("bic %s,%s,#00FF0000\n",regname[rt],regname[rt]);
1251 output_w32(0xe3c00000|rd_rn_rm(rt,rt,0)|0x8FF);
1252 #else
1253 assem_debug("uxth %s,%s\n",regname[rt],regname[rs]);
1254 output_w32(0xe6ff0070|rd_rn_rm(rt,0,rs));
1255 #endif
1256 }else{
1257 assert(imm>0&&imm<65535);
1258 #ifdef ARMv5_ONLY
1259 assem_debug("mov r14,#%d\n",imm&0xFF00);
1260 output_w32(0xe3a00000|rd_rn_imm_shift(HOST_TEMPREG,0,imm>>8,8));
1261 assem_debug("add r14,r14,#%d\n",imm&0xFF);
1262 output_w32(0xe2800000|rd_rn_imm_shift(HOST_TEMPREG,HOST_TEMPREG,imm&0xff,0));
1263 #else
1264 emit_movw(imm,HOST_TEMPREG);
1265 #endif
1266 assem_debug("and %s,%s,r14\n",regname[rt],regname[rs]);
1267 output_w32(0xe0000000|rd_rn_rm(rt,rs,HOST_TEMPREG));
1268 }
1269}
1270
1271void emit_orimm(int rs,int imm,int rt)
1272{
1273 u_int armval;
790ee18e 1274 if(imm==0) {
1275 if(rs!=rt) emit_mov(rs,rt);
1276 }else if(genimm(imm,&armval)) {
57871462 1277 assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm);
1278 output_w32(0xe3800000|rd_rn_rm(rt,rs,0)|armval);
1279 }else{
1280 assert(imm>0&&imm<65536);
1281 assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00);
1282 assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF);
1283 output_w32(0xe3800000|rd_rn_imm_shift(rt,rs,imm>>8,8));
1284 output_w32(0xe3800000|rd_rn_imm_shift(rt,rt,imm&0xff,0));
1285 }
1286}
1287
1288void emit_xorimm(int rs,int imm,int rt)
1289{
57871462 1290 u_int armval;
790ee18e 1291 if(imm==0) {
1292 if(rs!=rt) emit_mov(rs,rt);
1293 }else if(genimm(imm,&armval)) {
57871462 1294 assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm);
1295 output_w32(0xe2200000|rd_rn_rm(rt,rs,0)|armval);
1296 }else{
514ed0d9 1297 assert(imm>0&&imm<65536);
57871462 1298 assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00);
1299 assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF);
1300 output_w32(0xe2200000|rd_rn_imm_shift(rt,rs,imm>>8,8));
1301 output_w32(0xe2200000|rd_rn_imm_shift(rt,rt,imm&0xff,0));
1302 }
1303}
1304
1305void emit_shlimm(int rs,u_int imm,int rt)
1306{
1307 assert(imm>0);
1308 assert(imm<32);
1309 //if(imm==1) ...
1310 assem_debug("lsl %s,%s,#%d\n",regname[rt],regname[rs],imm);
1311 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|(imm<<7));
1312}
1313
1314void emit_shrimm(int rs,u_int imm,int rt)
1315{
1316 assert(imm>0);
1317 assert(imm<32);
1318 assem_debug("lsr %s,%s,#%d\n",regname[rt],regname[rs],imm);
1319 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7));
1320}
1321
1322void emit_sarimm(int rs,u_int imm,int rt)
1323{
1324 assert(imm>0);
1325 assert(imm<32);
1326 assem_debug("asr %s,%s,#%d\n",regname[rt],regname[rs],imm);
1327 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x40|(imm<<7));
1328}
1329
1330void emit_rorimm(int rs,u_int imm,int rt)
1331{
1332 assert(imm>0);
1333 assert(imm<32);
1334 assem_debug("ror %s,%s,#%d\n",regname[rt],regname[rs],imm);
1335 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x60|(imm<<7));
1336}
1337
1338void emit_shldimm(int rs,int rs2,u_int imm,int rt)
1339{
1340 assem_debug("shld %%%s,%%%s,%d\n",regname[rt],regname[rs2],imm);
1341 assert(imm>0);
1342 assert(imm<32);
1343 //if(imm==1) ...
1344 assem_debug("lsl %s,%s,#%d\n",regname[rt],regname[rs],imm);
1345 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|(imm<<7));
1346 assem_debug("orr %s,%s,%s,lsr #%d\n",regname[rt],regname[rt],regname[rs2],32-imm);
1347 output_w32(0xe1800020|rd_rn_rm(rt,rt,rs2)|((32-imm)<<7));
1348}
1349
1350void emit_shrdimm(int rs,int rs2,u_int imm,int rt)
1351{
1352 assem_debug("shrd %%%s,%%%s,%d\n",regname[rt],regname[rs2],imm);
1353 assert(imm>0);
1354 assert(imm<32);
1355 //if(imm==1) ...
1356 assem_debug("lsr %s,%s,#%d\n",regname[rt],regname[rs],imm);
1357 output_w32(0xe1a00020|rd_rn_rm(rt,0,rs)|(imm<<7));
1358 assem_debug("orr %s,%s,%s,lsl #%d\n",regname[rt],regname[rt],regname[rs2],32-imm);
1359 output_w32(0xe1800000|rd_rn_rm(rt,rt,rs2)|((32-imm)<<7));
1360}
1361
b9b61529 1362void emit_signextend16(int rs,int rt)
1363{
1364 #ifdef ARMv5_ONLY
1365 emit_shlimm(rs,16,rt);
1366 emit_sarimm(rt,16,rt);
1367 #else
1368 assem_debug("sxth %s,%s\n",regname[rt],regname[rs]);
1369 output_w32(0xe6bf0070|rd_rn_rm(rt,0,rs));
1370 #endif
1371}
1372
57871462 1373void emit_shl(u_int rs,u_int shift,u_int rt)
1374{
1375 assert(rs<16);
1376 assert(rt<16);
1377 assert(shift<16);
1378 //if(imm==1) ...
1379 assem_debug("lsl %s,%s,%s\n",regname[rt],regname[rs],regname[shift]);
1380 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x10|(shift<<8));
1381}
1382void emit_shr(u_int rs,u_int shift,u_int rt)
1383{
1384 assert(rs<16);
1385 assert(rt<16);
1386 assert(shift<16);
1387 assem_debug("lsr %s,%s,%s\n",regname[rt],regname[rs],regname[shift]);
1388 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x30|(shift<<8));
1389}
1390void emit_sar(u_int rs,u_int shift,u_int rt)
1391{
1392 assert(rs<16);
1393 assert(rt<16);
1394 assert(shift<16);
1395 assem_debug("asr %s,%s,%s\n",regname[rt],regname[rs],regname[shift]);
1396 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x50|(shift<<8));
1397}
1398void emit_shlcl(int r)
1399{
1400 assem_debug("shl %%%s,%%cl\n",regname[r]);
1401 assert(0);
1402}
1403void emit_shrcl(int r)
1404{
1405 assem_debug("shr %%%s,%%cl\n",regname[r]);
1406 assert(0);
1407}
1408void emit_sarcl(int r)
1409{
1410 assem_debug("sar %%%s,%%cl\n",regname[r]);
1411 assert(0);
1412}
1413
1414void emit_shldcl(int r1,int r2)
1415{
1416 assem_debug("shld %%%s,%%%s,%%cl\n",regname[r1],regname[r2]);
1417 assert(0);
1418}
1419void emit_shrdcl(int r1,int r2)
1420{
1421 assem_debug("shrd %%%s,%%%s,%%cl\n",regname[r1],regname[r2]);
1422 assert(0);
1423}
1424void emit_orrshl(u_int rs,u_int shift,u_int rt)
1425{
1426 assert(rs<16);
1427 assert(rt<16);
1428 assert(shift<16);
1429 assem_debug("orr %s,%s,%s,lsl %s\n",regname[rt],regname[rt],regname[rs],regname[shift]);
1430 output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|0x10|(shift<<8));
1431}
1432void emit_orrshr(u_int rs,u_int shift,u_int rt)
1433{
1434 assert(rs<16);
1435 assert(rt<16);
1436 assert(shift<16);
1437 assem_debug("orr %s,%s,%s,lsr %s\n",regname[rt],regname[rt],regname[rs],regname[shift]);
1438 output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|0x30|(shift<<8));
1439}
1440
1441void emit_cmpimm(int rs,int imm)
1442{
1443 u_int armval;
1444 if(genimm(imm,&armval)) {
1445 assem_debug("cmp %s,$%d\n",regname[rs],imm);
1446 output_w32(0xe3500000|rd_rn_rm(0,rs,0)|armval);
1447 }else if(genimm(-imm,&armval)) {
1448 assem_debug("cmn %s,$%d\n",regname[rs],imm);
1449 output_w32(0xe3700000|rd_rn_rm(0,rs,0)|armval);
1450 }else if(imm>0) {
1451 assert(imm<65536);
1452 #ifdef ARMv5_ONLY
1453 emit_movimm(imm,HOST_TEMPREG);
1454 #else
1455 emit_movw(imm,HOST_TEMPREG);
1456 #endif
1457 assem_debug("cmp %s,r14\n",regname[rs]);
1458 output_w32(0xe1500000|rd_rn_rm(0,rs,HOST_TEMPREG));
1459 }else{
1460 assert(imm>-65536);
1461 #ifdef ARMv5_ONLY
1462 emit_movimm(-imm,HOST_TEMPREG);
1463 #else
1464 emit_movw(-imm,HOST_TEMPREG);
1465 #endif
1466 assem_debug("cmn %s,r14\n",regname[rs]);
1467 output_w32(0xe1700000|rd_rn_rm(0,rs,HOST_TEMPREG));
1468 }
1469}
1470
1471void emit_cmovne(u_int *addr,int rt)
1472{
1473 assem_debug("cmovne %x,%%%s",(int)addr,regname[rt]);
1474 assert(0);
1475}
1476void emit_cmovl(u_int *addr,int rt)
1477{
1478 assem_debug("cmovl %x,%%%s",(int)addr,regname[rt]);
1479 assert(0);
1480}
1481void emit_cmovs(u_int *addr,int rt)
1482{
1483 assem_debug("cmovs %x,%%%s",(int)addr,regname[rt]);
1484 assert(0);
1485}
1486void emit_cmovne_imm(int imm,int rt)
1487{
1488 assem_debug("movne %s,#%d\n",regname[rt],imm);
1489 u_int armval;
cfbd3c6e 1490 genimm_checked(imm,&armval);
57871462 1491 output_w32(0x13a00000|rd_rn_rm(rt,0,0)|armval);
1492}
1493void emit_cmovl_imm(int imm,int rt)
1494{
1495 assem_debug("movlt %s,#%d\n",regname[rt],imm);
1496 u_int armval;
cfbd3c6e 1497 genimm_checked(imm,&armval);
57871462 1498 output_w32(0xb3a00000|rd_rn_rm(rt,0,0)|armval);
1499}
1500void emit_cmovb_imm(int imm,int rt)
1501{
1502 assem_debug("movcc %s,#%d\n",regname[rt],imm);
1503 u_int armval;
cfbd3c6e 1504 genimm_checked(imm,&armval);
57871462 1505 output_w32(0x33a00000|rd_rn_rm(rt,0,0)|armval);
1506}
1507void emit_cmovs_imm(int imm,int rt)
1508{
1509 assem_debug("movmi %s,#%d\n",regname[rt],imm);
1510 u_int armval;
cfbd3c6e 1511 genimm_checked(imm,&armval);
57871462 1512 output_w32(0x43a00000|rd_rn_rm(rt,0,0)|armval);
1513}
1514void emit_cmove_reg(int rs,int rt)
1515{
1516 assem_debug("moveq %s,%s\n",regname[rt],regname[rs]);
1517 output_w32(0x01a00000|rd_rn_rm(rt,0,rs));
1518}
1519void emit_cmovne_reg(int rs,int rt)
1520{
1521 assem_debug("movne %s,%s\n",regname[rt],regname[rs]);
1522 output_w32(0x11a00000|rd_rn_rm(rt,0,rs));
1523}
1524void emit_cmovl_reg(int rs,int rt)
1525{
1526 assem_debug("movlt %s,%s\n",regname[rt],regname[rs]);
1527 output_w32(0xb1a00000|rd_rn_rm(rt,0,rs));
1528}
1529void emit_cmovs_reg(int rs,int rt)
1530{
1531 assem_debug("movmi %s,%s\n",regname[rt],regname[rs]);
1532 output_w32(0x41a00000|rd_rn_rm(rt,0,rs));
1533}
1534
1535void emit_slti32(int rs,int imm,int rt)
1536{
1537 if(rs!=rt) emit_zeroreg(rt);
1538 emit_cmpimm(rs,imm);
1539 if(rs==rt) emit_movimm(0,rt);
1540 emit_cmovl_imm(1,rt);
1541}
1542void emit_sltiu32(int rs,int imm,int rt)
1543{
1544 if(rs!=rt) emit_zeroreg(rt);
1545 emit_cmpimm(rs,imm);
1546 if(rs==rt) emit_movimm(0,rt);
1547 emit_cmovb_imm(1,rt);
1548}
1549void emit_slti64_32(int rsh,int rsl,int imm,int rt)
1550{
1551 assert(rsh!=rt);
1552 emit_slti32(rsl,imm,rt);
1553 if(imm>=0)
1554 {
1555 emit_test(rsh,rsh);
1556 emit_cmovne_imm(0,rt);
1557 emit_cmovs_imm(1,rt);
1558 }
1559 else
1560 {
1561 emit_cmpimm(rsh,-1);
1562 emit_cmovne_imm(0,rt);
1563 emit_cmovl_imm(1,rt);
1564 }
1565}
1566void emit_sltiu64_32(int rsh,int rsl,int imm,int rt)
1567{
1568 assert(rsh!=rt);
1569 emit_sltiu32(rsl,imm,rt);
1570 if(imm>=0)
1571 {
1572 emit_test(rsh,rsh);
1573 emit_cmovne_imm(0,rt);
1574 }
1575 else
1576 {
1577 emit_cmpimm(rsh,-1);
1578 emit_cmovne_imm(1,rt);
1579 }
1580}
1581
1582void emit_cmp(int rs,int rt)
1583{
1584 assem_debug("cmp %s,%s\n",regname[rs],regname[rt]);
1585 output_w32(0xe1500000|rd_rn_rm(0,rs,rt));
1586}
1587void emit_set_gz32(int rs, int rt)
1588{
1589 //assem_debug("set_gz32\n");
1590 emit_cmpimm(rs,1);
1591 emit_movimm(1,rt);
1592 emit_cmovl_imm(0,rt);
1593}
1594void emit_set_nz32(int rs, int rt)
1595{
1596 //assem_debug("set_nz32\n");
1597 if(rs!=rt) emit_movs(rs,rt);
1598 else emit_test(rs,rs);
1599 emit_cmovne_imm(1,rt);
1600}
1601void emit_set_gz64_32(int rsh, int rsl, int rt)
1602{
1603 //assem_debug("set_gz64\n");
1604 emit_set_gz32(rsl,rt);
1605 emit_test(rsh,rsh);
1606 emit_cmovne_imm(1,rt);
1607 emit_cmovs_imm(0,rt);
1608}
1609void emit_set_nz64_32(int rsh, int rsl, int rt)
1610{
1611 //assem_debug("set_nz64\n");
1612 emit_or_and_set_flags(rsh,rsl,rt);
1613 emit_cmovne_imm(1,rt);
1614}
1615void emit_set_if_less32(int rs1, int rs2, int rt)
1616{
1617 //assem_debug("set if less (%%%s,%%%s),%%%s\n",regname[rs1],regname[rs2],regname[rt]);
1618 if(rs1!=rt&&rs2!=rt) emit_zeroreg(rt);
1619 emit_cmp(rs1,rs2);
1620 if(rs1==rt||rs2==rt) emit_movimm(0,rt);
1621 emit_cmovl_imm(1,rt);
1622}
1623void emit_set_if_carry32(int rs1, int rs2, int rt)
1624{
1625 //assem_debug("set if carry (%%%s,%%%s),%%%s\n",regname[rs1],regname[rs2],regname[rt]);
1626 if(rs1!=rt&&rs2!=rt) emit_zeroreg(rt);
1627 emit_cmp(rs1,rs2);
1628 if(rs1==rt||rs2==rt) emit_movimm(0,rt);
1629 emit_cmovb_imm(1,rt);
1630}
1631void emit_set_if_less64_32(int u1, int l1, int u2, int l2, int rt)
1632{
1633 //assem_debug("set if less64 (%%%s,%%%s,%%%s,%%%s),%%%s\n",regname[u1],regname[l1],regname[u2],regname[l2],regname[rt]);
1634 assert(u1!=rt);
1635 assert(u2!=rt);
1636 emit_cmp(l1,l2);
1637 emit_movimm(0,rt);
1638 emit_sbcs(u1,u2,HOST_TEMPREG);
1639 emit_cmovl_imm(1,rt);
1640}
1641void emit_set_if_carry64_32(int u1, int l1, int u2, int l2, int rt)
1642{
1643 //assem_debug("set if carry64 (%%%s,%%%s,%%%s,%%%s),%%%s\n",regname[u1],regname[l1],regname[u2],regname[l2],regname[rt]);
1644 assert(u1!=rt);
1645 assert(u2!=rt);
1646 emit_cmp(l1,l2);
1647 emit_movimm(0,rt);
1648 emit_sbcs(u1,u2,HOST_TEMPREG);
1649 emit_cmovb_imm(1,rt);
1650}
1651
1652void emit_call(int a)
1653{
1654 assem_debug("bl %x (%x+%x)\n",a,(int)out,a-(int)out-8);
1655 u_int offset=genjmp(a);
1656 output_w32(0xeb000000|offset);
1657}
1658void emit_jmp(int a)
1659{
1660 assem_debug("b %x (%x+%x)\n",a,(int)out,a-(int)out-8);
1661 u_int offset=genjmp(a);
1662 output_w32(0xea000000|offset);
1663}
1664void emit_jne(int a)
1665{
1666 assem_debug("bne %x\n",a);
1667 u_int offset=genjmp(a);
1668 output_w32(0x1a000000|offset);
1669}
1670void emit_jeq(int a)
1671{
1672 assem_debug("beq %x\n",a);
1673 u_int offset=genjmp(a);
1674 output_w32(0x0a000000|offset);
1675}
1676void emit_js(int a)
1677{
1678 assem_debug("bmi %x\n",a);
1679 u_int offset=genjmp(a);
1680 output_w32(0x4a000000|offset);
1681}
1682void emit_jns(int a)
1683{
1684 assem_debug("bpl %x\n",a);
1685 u_int offset=genjmp(a);
1686 output_w32(0x5a000000|offset);
1687}
1688void emit_jl(int a)
1689{
1690 assem_debug("blt %x\n",a);
1691 u_int offset=genjmp(a);
1692 output_w32(0xba000000|offset);
1693}
1694void emit_jge(int a)
1695{
1696 assem_debug("bge %x\n",a);
1697 u_int offset=genjmp(a);
1698 output_w32(0xaa000000|offset);
1699}
1700void emit_jno(int a)
1701{
1702 assem_debug("bvc %x\n",a);
1703 u_int offset=genjmp(a);
1704 output_w32(0x7a000000|offset);
1705}
1706void emit_jc(int a)
1707{
1708 assem_debug("bcs %x\n",a);
1709 u_int offset=genjmp(a);
1710 output_w32(0x2a000000|offset);
1711}
1712void emit_jcc(int a)
1713{
1714 assem_debug("bcc %x\n",a);
1715 u_int offset=genjmp(a);
1716 output_w32(0x3a000000|offset);
1717}
1718
1719void emit_pushimm(int imm)
1720{
1721 assem_debug("push $%x\n",imm);
1722 assert(0);
1723}
1724void emit_pusha()
1725{
1726 assem_debug("pusha\n");
1727 assert(0);
1728}
1729void emit_popa()
1730{
1731 assem_debug("popa\n");
1732 assert(0);
1733}
1734void emit_pushreg(u_int r)
1735{
1736 assem_debug("push %%%s\n",regname[r]);
1737 assert(0);
1738}
1739void emit_popreg(u_int r)
1740{
1741 assem_debug("pop %%%s\n",regname[r]);
1742 assert(0);
1743}
1744void emit_callreg(u_int r)
1745{
1746 assem_debug("call *%%%s\n",regname[r]);
1747 assert(0);
1748}
1749void emit_jmpreg(u_int r)
1750{
1751 assem_debug("mov pc,%s\n",regname[r]);
1752 output_w32(0xe1a00000|rd_rn_rm(15,0,r));
1753}
1754
1755void emit_readword_indexed(int offset, int rs, int rt)
1756{
1757 assert(offset>-4096&&offset<4096);
1758 assem_debug("ldr %s,%s+%d\n",regname[rt],regname[rs],offset);
1759 if(offset>=0) {
1760 output_w32(0xe5900000|rd_rn_rm(rt,rs,0)|offset);
1761 }else{
1762 output_w32(0xe5100000|rd_rn_rm(rt,rs,0)|(-offset));
1763 }
1764}
1765void emit_readword_dualindexedx4(int rs1, int rs2, int rt)
1766{
1767 assem_debug("ldr %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]);
1768 output_w32(0xe7900000|rd_rn_rm(rt,rs1,rs2)|0x100);
1769}
1770void emit_readword_indexed_tlb(int addr, int rs, int map, int rt)
1771{
1772 if(map<0) emit_readword_indexed(addr, rs, rt);
1773 else {
1774 assert(addr==0);
1775 emit_readword_dualindexedx4(rs, map, rt);
1776 }
1777}
1778void emit_readdword_indexed_tlb(int addr, int rs, int map, int rh, int rl)
1779{
1780 if(map<0) {
1781 if(rh>=0) emit_readword_indexed(addr, rs, rh);
1782 emit_readword_indexed(addr+4, rs, rl);
1783 }else{
1784 assert(rh!=rs);
1785 if(rh>=0) emit_readword_indexed_tlb(addr, rs, map, rh);
1786 emit_addimm(map,1,map);
1787 emit_readword_indexed_tlb(addr, rs, map, rl);
1788 }
1789}
1790void emit_movsbl_indexed(int offset, int rs, int rt)
1791{
1792 assert(offset>-256&&offset<256);
1793 assem_debug("ldrsb %s,%s+%d\n",regname[rt],regname[rs],offset);
1794 if(offset>=0) {
1795 output_w32(0xe1d000d0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf));
1796 }else{
1797 output_w32(0xe15000d0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf));
1798 }
1799}
1800void emit_movsbl_indexed_tlb(int addr, int rs, int map, int rt)
1801{
1802 if(map<0) emit_movsbl_indexed(addr, rs, rt);
1803 else {
1804 if(addr==0) {
1805 emit_shlimm(map,2,map);
1806 assem_debug("ldrsb %s,%s+%s\n",regname[rt],regname[rs],regname[map]);
1807 output_w32(0xe19000d0|rd_rn_rm(rt,rs,map));
1808 }else{
1809 assert(addr>-256&&addr<256);
1810 assem_debug("add %s,%s,%s,lsl #2\n",regname[rt],regname[rs],regname[map]);
1811 output_w32(0xe0800000|rd_rn_rm(rt,rs,map)|(2<<7));
1812 emit_movsbl_indexed(addr, rt, rt);
1813 }
1814 }
1815}
1816void emit_movswl_indexed(int offset, int rs, int rt)
1817{
1818 assert(offset>-256&&offset<256);
1819 assem_debug("ldrsh %s,%s+%d\n",regname[rt],regname[rs],offset);
1820 if(offset>=0) {
1821 output_w32(0xe1d000f0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf));
1822 }else{
1823 output_w32(0xe15000f0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf));
1824 }
1825}
1826void emit_movzbl_indexed(int offset, int rs, int rt)
1827{
1828 assert(offset>-4096&&offset<4096);
1829 assem_debug("ldrb %s,%s+%d\n",regname[rt],regname[rs],offset);
1830 if(offset>=0) {
1831 output_w32(0xe5d00000|rd_rn_rm(rt,rs,0)|offset);
1832 }else{
1833 output_w32(0xe5500000|rd_rn_rm(rt,rs,0)|(-offset));
1834 }
1835}
1836void emit_movzbl_dualindexedx4(int rs1, int rs2, int rt)
1837{
1838 assem_debug("ldrb %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]);
1839 output_w32(0xe7d00000|rd_rn_rm(rt,rs1,rs2)|0x100);
1840}
1841void emit_movzbl_indexed_tlb(int addr, int rs, int map, int rt)
1842{
1843 if(map<0) emit_movzbl_indexed(addr, rs, rt);
1844 else {
1845 if(addr==0) {
1846 emit_movzbl_dualindexedx4(rs, map, rt);
1847 }else{
1848 emit_addimm(rs,addr,rt);
1849 emit_movzbl_dualindexedx4(rt, map, rt);
1850 }
1851 }
1852}
1853void emit_movzwl_indexed(int offset, int rs, int rt)
1854{
1855 assert(offset>-256&&offset<256);
1856 assem_debug("ldrh %s,%s+%d\n",regname[rt],regname[rs],offset);
1857 if(offset>=0) {
1858 output_w32(0xe1d000b0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf));
1859 }else{
1860 output_w32(0xe15000b0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf));
1861 }
1862}
1863void emit_readword(int addr, int rt)
1864{
1865 u_int offset = addr-(u_int)&dynarec_local;
1866 assert(offset<4096);
1867 assem_debug("ldr %s,fp+%d\n",regname[rt],offset);
1868 output_w32(0xe5900000|rd_rn_rm(rt,FP,0)|offset);
1869}
1870void emit_movsbl(int addr, int rt)
1871{
1872 u_int offset = addr-(u_int)&dynarec_local;
1873 assert(offset<256);
1874 assem_debug("ldrsb %s,fp+%d\n",regname[rt],offset);
1875 output_w32(0xe1d000d0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf));
1876}
1877void emit_movswl(int addr, int rt)
1878{
1879 u_int offset = addr-(u_int)&dynarec_local;
1880 assert(offset<256);
1881 assem_debug("ldrsh %s,fp+%d\n",regname[rt],offset);
1882 output_w32(0xe1d000f0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf));
1883}
1884void emit_movzbl(int addr, int rt)
1885{
1886 u_int offset = addr-(u_int)&dynarec_local;
1887 assert(offset<4096);
1888 assem_debug("ldrb %s,fp+%d\n",regname[rt],offset);
1889 output_w32(0xe5d00000|rd_rn_rm(rt,FP,0)|offset);
1890}
1891void emit_movzwl(int addr, int rt)
1892{
1893 u_int offset = addr-(u_int)&dynarec_local;
1894 assert(offset<256);
1895 assem_debug("ldrh %s,fp+%d\n",regname[rt],offset);
1896 output_w32(0xe1d000b0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf));
1897}
1898void emit_movzwl_reg(int rs, int rt)
1899{
1900 assem_debug("movzwl %%%s,%%%s\n",regname[rs]+1,regname[rt]);
1901 assert(0);
1902}
1903
1904void emit_xchg(int rs, int rt)
1905{
1906 assem_debug("xchg %%%s,%%%s\n",regname[rs],regname[rt]);
1907 assert(0);
1908}
1909void emit_writeword_indexed(int rt, int offset, int rs)
1910{
1911 assert(offset>-4096&&offset<4096);
1912 assem_debug("str %s,%s+%d\n",regname[rt],regname[rs],offset);
1913 if(offset>=0) {
1914 output_w32(0xe5800000|rd_rn_rm(rt,rs,0)|offset);
1915 }else{
1916 output_w32(0xe5000000|rd_rn_rm(rt,rs,0)|(-offset));
1917 }
1918}
1919void emit_writeword_dualindexedx4(int rt, int rs1, int rs2)
1920{
1921 assem_debug("str %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]);
1922 output_w32(0xe7800000|rd_rn_rm(rt,rs1,rs2)|0x100);
1923}
1924void emit_writeword_indexed_tlb(int rt, int addr, int rs, int map, int temp)
1925{
1926 if(map<0) emit_writeword_indexed(rt, addr, rs);
1927 else {
1928 assert(addr==0);
1929 emit_writeword_dualindexedx4(rt, rs, map);
1930 }
1931}
1932void emit_writedword_indexed_tlb(int rh, int rl, int addr, int rs, int map, int temp)
1933{
1934 if(map<0) {
1935 if(rh>=0) emit_writeword_indexed(rh, addr, rs);
1936 emit_writeword_indexed(rl, addr+4, rs);
1937 }else{
1938 assert(rh>=0);
1939 if(temp!=rs) emit_addimm(map,1,temp);
1940 emit_writeword_indexed_tlb(rh, addr, rs, map, temp);
1941 if(temp!=rs) emit_writeword_indexed_tlb(rl, addr, rs, temp, temp);
1942 else {
1943 emit_addimm(rs,4,rs);
1944 emit_writeword_indexed_tlb(rl, addr, rs, map, temp);
1945 }
1946 }
1947}
1948void emit_writehword_indexed(int rt, int offset, int rs)
1949{
1950 assert(offset>-256&&offset<256);
1951 assem_debug("strh %s,%s+%d\n",regname[rt],regname[rs],offset);
1952 if(offset>=0) {
1953 output_w32(0xe1c000b0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf));
1954 }else{
1955 output_w32(0xe14000b0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf));
1956 }
1957}
1958void emit_writebyte_indexed(int rt, int offset, int rs)
1959{
1960 assert(offset>-4096&&offset<4096);
1961 assem_debug("strb %s,%s+%d\n",regname[rt],regname[rs],offset);
1962 if(offset>=0) {
1963 output_w32(0xe5c00000|rd_rn_rm(rt,rs,0)|offset);
1964 }else{
1965 output_w32(0xe5400000|rd_rn_rm(rt,rs,0)|(-offset));
1966 }
1967}
1968void emit_writebyte_dualindexedx4(int rt, int rs1, int rs2)
1969{
1970 assem_debug("strb %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]);
1971 output_w32(0xe7c00000|rd_rn_rm(rt,rs1,rs2)|0x100);
1972}
1973void emit_writebyte_indexed_tlb(int rt, int addr, int rs, int map, int temp)
1974{
1975 if(map<0) emit_writebyte_indexed(rt, addr, rs);
1976 else {
1977 if(addr==0) {
1978 emit_writebyte_dualindexedx4(rt, rs, map);
1979 }else{
1980 emit_addimm(rs,addr,temp);
1981 emit_writebyte_dualindexedx4(rt, temp, map);
1982 }
1983 }
1984}
1985void emit_writeword(int rt, int addr)
1986{
1987 u_int offset = addr-(u_int)&dynarec_local;
1988 assert(offset<4096);
1989 assem_debug("str %s,fp+%d\n",regname[rt],offset);
1990 output_w32(0xe5800000|rd_rn_rm(rt,FP,0)|offset);
1991}
1992void emit_writehword(int rt, int addr)
1993{
1994 u_int offset = addr-(u_int)&dynarec_local;
1995 assert(offset<256);
1996 assem_debug("strh %s,fp+%d\n",regname[rt],offset);
1997 output_w32(0xe1c000b0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf));
1998}
1999void emit_writebyte(int rt, int addr)
2000{
2001 u_int offset = addr-(u_int)&dynarec_local;
2002 assert(offset<4096);
74426039 2003 assem_debug("strb %s,fp+%d\n",regname[rt],offset);
57871462 2004 output_w32(0xe5c00000|rd_rn_rm(rt,FP,0)|offset);
2005}
2006void emit_writeword_imm(int imm, int addr)
2007{
2008 assem_debug("movl $%x,%x\n",imm,addr);
2009 assert(0);
2010}
2011void emit_writebyte_imm(int imm, int addr)
2012{
2013 assem_debug("movb $%x,%x\n",imm,addr);
2014 assert(0);
2015}
2016
2017void emit_mul(int rs)
2018{
2019 assem_debug("mul %%%s\n",regname[rs]);
2020 assert(0);
2021}
2022void emit_imul(int rs)
2023{
2024 assem_debug("imul %%%s\n",regname[rs]);
2025 assert(0);
2026}
2027void emit_umull(u_int rs1, u_int rs2, u_int hi, u_int lo)
2028{
2029 assem_debug("umull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]);
2030 assert(rs1<16);
2031 assert(rs2<16);
2032 assert(hi<16);
2033 assert(lo<16);
2034 output_w32(0xe0800090|(hi<<16)|(lo<<12)|(rs2<<8)|rs1);
2035}
2036void emit_smull(u_int rs1, u_int rs2, u_int hi, u_int lo)
2037{
2038 assem_debug("smull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]);
2039 assert(rs1<16);
2040 assert(rs2<16);
2041 assert(hi<16);
2042 assert(lo<16);
2043 output_w32(0xe0c00090|(hi<<16)|(lo<<12)|(rs2<<8)|rs1);
2044}
2045
2046void emit_div(int rs)
2047{
2048 assem_debug("div %%%s\n",regname[rs]);
2049 assert(0);
2050}
2051void emit_idiv(int rs)
2052{
2053 assem_debug("idiv %%%s\n",regname[rs]);
2054 assert(0);
2055}
2056void emit_cdq()
2057{
2058 assem_debug("cdq\n");
2059 assert(0);
2060}
2061
2062void emit_clz(int rs,int rt)
2063{
2064 assem_debug("clz %s,%s\n",regname[rt],regname[rs]);
2065 output_w32(0xe16f0f10|rd_rn_rm(rt,0,rs));
2066}
2067
2068void emit_subcs(int rs1,int rs2,int rt)
2069{
2070 assem_debug("subcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
2071 output_w32(0x20400000|rd_rn_rm(rt,rs1,rs2));
2072}
2073
2074void emit_shrcc_imm(int rs,u_int imm,int rt)
2075{
2076 assert(imm>0);
2077 assert(imm<32);
2078 assem_debug("lsrcc %s,%s,#%d\n",regname[rt],regname[rs],imm);
2079 output_w32(0x31a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7));
2080}
2081
2082void emit_negmi(int rs, int rt)
2083{
2084 assem_debug("rsbmi %s,%s,#0\n",regname[rt],regname[rs]);
2085 output_w32(0x42600000|rd_rn_rm(rt,rs,0));
2086}
2087
2088void emit_negsmi(int rs, int rt)
2089{
2090 assem_debug("rsbsmi %s,%s,#0\n",regname[rt],regname[rs]);
2091 output_w32(0x42700000|rd_rn_rm(rt,rs,0));
2092}
2093
2094void emit_orreq(u_int rs1,u_int rs2,u_int rt)
2095{
2096 assem_debug("orreq %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
2097 output_w32(0x01800000|rd_rn_rm(rt,rs1,rs2));
2098}
2099
2100void emit_orrne(u_int rs1,u_int rs2,u_int rt)
2101{
2102 assem_debug("orrne %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
2103 output_w32(0x11800000|rd_rn_rm(rt,rs1,rs2));
2104}
2105
2106void emit_bic_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt)
2107{
2108 assem_debug("bic %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
2109 output_w32(0xe1C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8));
2110}
2111
2112void emit_biceq_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt)
2113{
2114 assem_debug("biceq %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
2115 output_w32(0x01C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8));
2116}
2117
2118void emit_bicne_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt)
2119{
2120 assem_debug("bicne %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
2121 output_w32(0x11C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8));
2122}
2123
2124void emit_bic_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt)
2125{
2126 assem_debug("bic %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
2127 output_w32(0xe1C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8));
2128}
2129
2130void emit_biceq_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt)
2131{
2132 assem_debug("biceq %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
2133 output_w32(0x01C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8));
2134}
2135
2136void emit_bicne_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt)
2137{
2138 assem_debug("bicne %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
2139 output_w32(0x11C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8));
2140}
2141
2142void emit_teq(int rs, int rt)
2143{
2144 assem_debug("teq %s,%s\n",regname[rs],regname[rt]);
2145 output_w32(0xe1300000|rd_rn_rm(0,rs,rt));
2146}
2147
2148void emit_rsbimm(int rs, int imm, int rt)
2149{
2150 u_int armval;
cfbd3c6e 2151 genimm_checked(imm,&armval);
57871462 2152 assem_debug("rsb %s,%s,#%d\n",regname[rt],regname[rs],imm);
2153 output_w32(0xe2600000|rd_rn_rm(rt,rs,0)|armval);
2154}
2155
2156// Load 2 immediates optimizing for small code size
2157void emit_mov2imm_compact(int imm1,u_int rt1,int imm2,u_int rt2)
2158{
2159 emit_movimm(imm1,rt1);
2160 u_int armval;
2161 if(genimm(imm2-imm1,&armval)) {
2162 assem_debug("add %s,%s,#%d\n",regname[rt2],regname[rt1],imm2-imm1);
2163 output_w32(0xe2800000|rd_rn_rm(rt2,rt1,0)|armval);
2164 }else if(genimm(imm1-imm2,&armval)) {
2165 assem_debug("sub %s,%s,#%d\n",regname[rt2],regname[rt1],imm1-imm2);
2166 output_w32(0xe2400000|rd_rn_rm(rt2,rt1,0)|armval);
2167 }
2168 else emit_movimm(imm2,rt2);
2169}
2170
2171// Conditionally select one of two immediates, optimizing for small code size
2172// This will only be called if HAVE_CMOV_IMM is defined
2173void emit_cmov2imm_e_ne_compact(int imm1,int imm2,u_int rt)
2174{
2175 u_int armval;
2176 if(genimm(imm2-imm1,&armval)) {
2177 emit_movimm(imm1,rt);
2178 assem_debug("addne %s,%s,#%d\n",regname[rt],regname[rt],imm2-imm1);
2179 output_w32(0x12800000|rd_rn_rm(rt,rt,0)|armval);
2180 }else if(genimm(imm1-imm2,&armval)) {
2181 emit_movimm(imm1,rt);
2182 assem_debug("subne %s,%s,#%d\n",regname[rt],regname[rt],imm1-imm2);
2183 output_w32(0x12400000|rd_rn_rm(rt,rt,0)|armval);
2184 }
2185 else {
2186 #ifdef ARMv5_ONLY
2187 emit_movimm(imm1,rt);
2188 add_literal((int)out,imm2);
2189 assem_debug("ldrne %s,pc+? [=%x]\n",regname[rt],imm2);
2190 output_w32(0x15900000|rd_rn_rm(rt,15,0));
2191 #else
2192 emit_movw(imm1&0x0000FFFF,rt);
2193 if((imm1&0xFFFF)!=(imm2&0xFFFF)) {
2194 assem_debug("movwne %s,#%d (0x%x)\n",regname[rt],imm2&0xFFFF,imm2&0xFFFF);
2195 output_w32(0x13000000|rd_rn_rm(rt,0,0)|(imm2&0xfff)|((imm2<<4)&0xf0000));
2196 }
2197 emit_movt(imm1&0xFFFF0000,rt);
2198 if((imm1&0xFFFF0000)!=(imm2&0xFFFF0000)) {
2199 assem_debug("movtne %s,#%d (0x%x)\n",regname[rt],imm2&0xffff0000,imm2&0xffff0000);
2200 output_w32(0x13400000|rd_rn_rm(rt,0,0)|((imm2>>16)&0xfff)|((imm2>>12)&0xf0000));
2201 }
2202 #endif
2203 }
2204}
2205
2206// special case for checking invalid_code
2207void emit_cmpmem_indexedsr12_imm(int addr,int r,int imm)
2208{
2209 assert(0);
2210}
2211
2212// special case for checking invalid_code
2213void emit_cmpmem_indexedsr12_reg(int base,int r,int imm)
2214{
2215 assert(imm<128&&imm>=0);
2216 assert(r>=0&&r<16);
2217 assem_debug("ldrb lr,%s,%s lsr #12\n",regname[base],regname[r]);
2218 output_w32(0xe7d00000|rd_rn_rm(HOST_TEMPREG,base,r)|0x620);
2219 emit_cmpimm(HOST_TEMPREG,imm);
2220}
2221
2222// special case for tlb mapping
2223void emit_addsr12(int rs1,int rs2,int rt)
2224{
2225 assem_debug("add %s,%s,%s lsr #12\n",regname[rt],regname[rs1],regname[rs2]);
2226 output_w32(0xe0800620|rd_rn_rm(rt,rs1,rs2));
2227}
2228
0bbd1454 2229void emit_callne(int a)
2230{
2231 assem_debug("blne %x\n",a);
2232 u_int offset=genjmp(a);
2233 output_w32(0x1b000000|offset);
2234}
2235
57871462 2236// Used to preload hash table entries
2237void emit_prefetch(void *addr)
2238{
2239 assem_debug("prefetch %x\n",(int)addr);
2240 output_byte(0x0F);
2241 output_byte(0x18);
2242 output_modrm(0,5,1);
2243 output_w32((int)addr);
2244}
2245void emit_prefetchreg(int r)
2246{
2247 assem_debug("pld %s\n",regname[r]);
2248 output_w32(0xf5d0f000|rd_rn_rm(0,r,0));
2249}
2250
2251// Special case for mini_ht
2252void emit_ldreq_indexed(int rs, u_int offset, int rt)
2253{
2254 assert(offset<4096);
2255 assem_debug("ldreq %s,[%s, #%d]\n",regname[rt],regname[rs],offset);
2256 output_w32(0x05900000|rd_rn_rm(rt,rs,0)|offset);
2257}
2258
2259void emit_flds(int r,int sr)
2260{
2261 assem_debug("flds s%d,[%s]\n",sr,regname[r]);
2262 output_w32(0xed900a00|((sr&14)<<11)|((sr&1)<<22)|(r<<16));
2263}
2264
2265void emit_vldr(int r,int vr)
2266{
2267 assem_debug("vldr d%d,[%s]\n",vr,regname[r]);
2268 output_w32(0xed900b00|(vr<<12)|(r<<16));
2269}
2270
2271void emit_fsts(int sr,int r)
2272{
2273 assem_debug("fsts s%d,[%s]\n",sr,regname[r]);
2274 output_w32(0xed800a00|((sr&14)<<11)|((sr&1)<<22)|(r<<16));
2275}
2276
2277void emit_vstr(int vr,int r)
2278{
2279 assem_debug("vstr d%d,[%s]\n",vr,regname[r]);
2280 output_w32(0xed800b00|(vr<<12)|(r<<16));
2281}
2282
2283void emit_ftosizs(int s,int d)
2284{
2285 assem_debug("ftosizs s%d,s%d\n",d,s);
2286 output_w32(0xeebd0ac0|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5));
2287}
2288
2289void emit_ftosizd(int s,int d)
2290{
2291 assem_debug("ftosizd s%d,d%d\n",d,s);
2292 output_w32(0xeebd0bc0|((d&14)<<11)|((d&1)<<22)|(s&7));
2293}
2294
2295void emit_fsitos(int s,int d)
2296{
2297 assem_debug("fsitos s%d,s%d\n",d,s);
2298 output_w32(0xeeb80ac0|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5));
2299}
2300
2301void emit_fsitod(int s,int d)
2302{
2303 assem_debug("fsitod d%d,s%d\n",d,s);
2304 output_w32(0xeeb80bc0|((d&7)<<12)|((s&14)>>1)|((s&1)<<5));
2305}
2306
2307void emit_fcvtds(int s,int d)
2308{
2309 assem_debug("fcvtds d%d,s%d\n",d,s);
2310 output_w32(0xeeb70ac0|((d&7)<<12)|((s&14)>>1)|((s&1)<<5));
2311}
2312
2313void emit_fcvtsd(int s,int d)
2314{
2315 assem_debug("fcvtsd s%d,d%d\n",d,s);
2316 output_w32(0xeeb70bc0|((d&14)<<11)|((d&1)<<22)|(s&7));
2317}
2318
2319void emit_fsqrts(int s,int d)
2320{
2321 assem_debug("fsqrts d%d,s%d\n",d,s);
2322 output_w32(0xeeb10ac0|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5));
2323}
2324
2325void emit_fsqrtd(int s,int d)
2326{
2327 assem_debug("fsqrtd s%d,d%d\n",d,s);
2328 output_w32(0xeeb10bc0|((d&7)<<12)|(s&7));
2329}
2330
2331void emit_fabss(int s,int d)
2332{
2333 assem_debug("fabss d%d,s%d\n",d,s);
2334 output_w32(0xeeb00ac0|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5));
2335}
2336
2337void emit_fabsd(int s,int d)
2338{
2339 assem_debug("fabsd s%d,d%d\n",d,s);
2340 output_w32(0xeeb00bc0|((d&7)<<12)|(s&7));
2341}
2342
2343void emit_fnegs(int s,int d)
2344{
2345 assem_debug("fnegs d%d,s%d\n",d,s);
2346 output_w32(0xeeb10a40|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5));
2347}
2348
2349void emit_fnegd(int s,int d)
2350{
2351 assem_debug("fnegd s%d,d%d\n",d,s);
2352 output_w32(0xeeb10b40|((d&7)<<12)|(s&7));
2353}
2354
2355void emit_fadds(int s1,int s2,int d)
2356{
2357 assem_debug("fadds s%d,s%d,s%d\n",d,s1,s2);
2358 output_w32(0xee300a00|((d&14)<<11)|((d&1)<<22)|((s1&14)<<15)|((s1&1)<<7)|((s2&14)>>1)|((s2&1)<<5));
2359}
2360
2361void emit_faddd(int s1,int s2,int d)
2362{
2363 assem_debug("faddd d%d,d%d,d%d\n",d,s1,s2);
2364 output_w32(0xee300b00|((d&7)<<12)|((s1&7)<<16)|(s2&7));
2365}
2366
2367void emit_fsubs(int s1,int s2,int d)
2368{
2369 assem_debug("fsubs s%d,s%d,s%d\n",d,s1,s2);
2370 output_w32(0xee300a40|((d&14)<<11)|((d&1)<<22)|((s1&14)<<15)|((s1&1)<<7)|((s2&14)>>1)|((s2&1)<<5));
2371}
2372
2373void emit_fsubd(int s1,int s2,int d)
2374{
2375 assem_debug("fsubd d%d,d%d,d%d\n",d,s1,s2);
2376 output_w32(0xee300b40|((d&7)<<12)|((s1&7)<<16)|(s2&7));
2377}
2378
2379void emit_fmuls(int s1,int s2,int d)
2380{
2381 assem_debug("fmuls s%d,s%d,s%d\n",d,s1,s2);
2382 output_w32(0xee200a00|((d&14)<<11)|((d&1)<<22)|((s1&14)<<15)|((s1&1)<<7)|((s2&14)>>1)|((s2&1)<<5));
2383}
2384
2385void emit_fmuld(int s1,int s2,int d)
2386{
2387 assem_debug("fmuld d%d,d%d,d%d\n",d,s1,s2);
2388 output_w32(0xee200b00|((d&7)<<12)|((s1&7)<<16)|(s2&7));
2389}
2390
2391void emit_fdivs(int s1,int s2,int d)
2392{
2393 assem_debug("fdivs s%d,s%d,s%d\n",d,s1,s2);
2394 output_w32(0xee800a00|((d&14)<<11)|((d&1)<<22)|((s1&14)<<15)|((s1&1)<<7)|((s2&14)>>1)|((s2&1)<<5));
2395}
2396
2397void emit_fdivd(int s1,int s2,int d)
2398{
2399 assem_debug("fdivd d%d,d%d,d%d\n",d,s1,s2);
2400 output_w32(0xee800b00|((d&7)<<12)|((s1&7)<<16)|(s2&7));
2401}
2402
2403void emit_fcmps(int x,int y)
2404{
2405 assem_debug("fcmps s14, s15\n");
2406 output_w32(0xeeb47a67);
2407}
2408
2409void emit_fcmpd(int x,int y)
2410{
2411 assem_debug("fcmpd d6, d7\n");
2412 output_w32(0xeeb46b47);
2413}
2414
2415void emit_fmstat()
2416{
2417 assem_debug("fmstat\n");
2418 output_w32(0xeef1fa10);
2419}
2420
2421void emit_bicne_imm(int rs,int imm,int rt)
2422{
2423 u_int armval;
cfbd3c6e 2424 genimm_checked(imm,&armval);
57871462 2425 assem_debug("bicne %s,%s,#%d\n",regname[rt],regname[rs],imm);
2426 output_w32(0x13c00000|rd_rn_rm(rt,rs,0)|armval);
2427}
2428
2429void emit_biccs_imm(int rs,int imm,int rt)
2430{
2431 u_int armval;
cfbd3c6e 2432 genimm_checked(imm,&armval);
57871462 2433 assem_debug("biccs %s,%s,#%d\n",regname[rt],regname[rs],imm);
2434 output_w32(0x23c00000|rd_rn_rm(rt,rs,0)|armval);
2435}
2436
2437void emit_bicvc_imm(int rs,int imm,int rt)
2438{
2439 u_int armval;
cfbd3c6e 2440 genimm_checked(imm,&armval);
57871462 2441 assem_debug("bicvc %s,%s,#%d\n",regname[rt],regname[rs],imm);
2442 output_w32(0x73c00000|rd_rn_rm(rt,rs,0)|armval);
2443}
2444
2445void emit_bichi_imm(int rs,int imm,int rt)
2446{
2447 u_int armval;
cfbd3c6e 2448 genimm_checked(imm,&armval);
57871462 2449 assem_debug("bichi %s,%s,#%d\n",regname[rt],regname[rs],imm);
2450 output_w32(0x83c00000|rd_rn_rm(rt,rs,0)|armval);
2451}
2452
2453void emit_orrvs_imm(int rs,int imm,int rt)
2454{
2455 u_int armval;
cfbd3c6e 2456 genimm_checked(imm,&armval);
57871462 2457 assem_debug("orrvs %s,%s,#%d\n",regname[rt],regname[rs],imm);
2458 output_w32(0x63800000|rd_rn_rm(rt,rs,0)|armval);
2459}
2460
b9b61529 2461void emit_orrne_imm(int rs,int imm,int rt)
2462{
2463 u_int armval;
cfbd3c6e 2464 genimm_checked(imm,&armval);
b9b61529 2465 assem_debug("orrne %s,%s,#%d\n",regname[rt],regname[rs],imm);
2466 output_w32(0x13800000|rd_rn_rm(rt,rs,0)|armval);
2467}
2468
2469void emit_andne_imm(int rs,int imm,int rt)
2470{
2471 u_int armval;
cfbd3c6e 2472 genimm_checked(imm,&armval);
b9b61529 2473 assem_debug("andne %s,%s,#%d\n",regname[rt],regname[rs],imm);
2474 output_w32(0x12000000|rd_rn_rm(rt,rs,0)|armval);
2475}
2476
57871462 2477void emit_jno_unlikely(int a)
2478{
2479 //emit_jno(a);
2480 assem_debug("addvc pc,pc,#? (%x)\n",/*a-(int)out-8,*/a);
2481 output_w32(0x72800000|rd_rn_rm(15,15,0));
2482}
2483
2484// Save registers before function call
2485void save_regs(u_int reglist)
2486{
2487 reglist&=0x100f; // only save the caller-save registers, r0-r3, r12
2488 if(!reglist) return;
2489 assem_debug("stmia fp,{");
2490 if(reglist&1) assem_debug("r0, ");
2491 if(reglist&2) assem_debug("r1, ");
2492 if(reglist&4) assem_debug("r2, ");
2493 if(reglist&8) assem_debug("r3, ");
2494 if(reglist&0x1000) assem_debug("r12");
2495 assem_debug("}\n");
2496 output_w32(0xe88b0000|reglist);
2497}
2498// Restore registers after function call
2499void restore_regs(u_int reglist)
2500{
2501 reglist&=0x100f; // only restore the caller-save registers, r0-r3, r12
2502 if(!reglist) return;
2503 assem_debug("ldmia fp,{");
2504 if(reglist&1) assem_debug("r0, ");
2505 if(reglist&2) assem_debug("r1, ");
2506 if(reglist&4) assem_debug("r2, ");
2507 if(reglist&8) assem_debug("r3, ");
2508 if(reglist&0x1000) assem_debug("r12");
2509 assem_debug("}\n");
2510 output_w32(0xe89b0000|reglist);
2511}
2512
2513// Write back consts using r14 so we don't disturb the other registers
2514void wb_consts(signed char i_regmap[],uint64_t i_is32,u_int i_dirty,int i)
2515{
2516 int hr;
2517 for(hr=0;hr<HOST_REGS;hr++) {
2518 if(hr!=EXCLUDE_REG&&i_regmap[hr]>=0&&((i_dirty>>hr)&1)) {
2519 if(((regs[i].isconst>>hr)&1)&&i_regmap[hr]>0) {
2520 if(i_regmap[hr]<64 || !((i_is32>>(i_regmap[hr]&63))&1) ) {
2521 int value=constmap[i][hr];
2522 if(value==0) {
2523 emit_zeroreg(HOST_TEMPREG);
2524 }
2525 else {
2526 emit_movimm(value,HOST_TEMPREG);
2527 }
2528 emit_storereg(i_regmap[hr],HOST_TEMPREG);
24385cae 2529#ifndef FORCE32
57871462 2530 if((i_is32>>i_regmap[hr])&1) {
2531 if(value!=-1&&value!=0) emit_sarimm(HOST_TEMPREG,31,HOST_TEMPREG);
2532 emit_storereg(i_regmap[hr]|64,HOST_TEMPREG);
2533 }
24385cae 2534#endif
57871462 2535 }
2536 }
2537 }
2538 }
2539}
2540
2541/* Stubs/epilogue */
2542
2543void literal_pool(int n)
2544{
2545 if(!literalcount) return;
2546 if(n) {
2547 if((int)out-literals[0][0]<4096-n) return;
2548 }
2549 u_int *ptr;
2550 int i;
2551 for(i=0;i<literalcount;i++)
2552 {
2553 ptr=(u_int *)literals[i][0];
2554 u_int offset=(u_int)out-(u_int)ptr-8;
2555 assert(offset<4096);
2556 assert(!(offset&3));
2557 *ptr|=offset;
2558 output_w32(literals[i][1]);
2559 }
2560 literalcount=0;
2561}
2562
2563void literal_pool_jumpover(int n)
2564{
2565 if(!literalcount) return;
2566 if(n) {
2567 if((int)out-literals[0][0]<4096-n) return;
2568 }
2569 int jaddr=(int)out;
2570 emit_jmp(0);
2571 literal_pool(0);
2572 set_jump_target(jaddr,(int)out);
2573}
2574
2575emit_extjump2(int addr, int target, int linker)
2576{
2577 u_char *ptr=(u_char *)addr;
2578 assert((ptr[3]&0x0e)==0xa);
2579 emit_loadlp(target,0);
2580 emit_loadlp(addr,1);
24385cae 2581 assert(addr>=BASE_ADDR&&addr<(BASE_ADDR+(1<<TARGET_SIZE_2)));
57871462 2582 //assert((target>=0x80000000&&target<0x80800000)||(target>0xA4000000&&target<0xA4001000));
2583//DEBUG >
2584#ifdef DEBUG_CYCLE_COUNT
2585 emit_readword((int)&last_count,ECX);
2586 emit_add(HOST_CCREG,ECX,HOST_CCREG);
2587 emit_readword((int)&next_interupt,ECX);
2588 emit_writeword(HOST_CCREG,(int)&Count);
2589 emit_sub(HOST_CCREG,ECX,HOST_CCREG);
2590 emit_writeword(ECX,(int)&last_count);
2591#endif
2592//DEBUG <
2593 emit_jmp(linker);
2594}
2595
2596emit_extjump(int addr, int target)
2597{
2598 emit_extjump2(addr, target, (int)dyna_linker);
2599}
2600emit_extjump_ds(int addr, int target)
2601{
2602 emit_extjump2(addr, target, (int)dyna_linker_ds);
2603}
2604
cbbab9cd 2605#ifdef PCSX
2606#include "pcsxmem_inline.c"
2607#endif
2608
57871462 2609do_readstub(int n)
2610{
2611 assem_debug("do_readstub %x\n",start+stubs[n][3]*4);
2612 literal_pool(256);
2613 set_jump_target(stubs[n][1],(int)out);
2614 int type=stubs[n][0];
2615 int i=stubs[n][3];
2616 int rs=stubs[n][4];
2617 struct regstat *i_regs=(struct regstat *)stubs[n][5];
2618 u_int reglist=stubs[n][7];
2619 signed char *i_regmap=i_regs->regmap;
2620 int addr=get_reg(i_regmap,AGEN1+(i&1));
2621 int rth,rt;
2622 int ds;
b9b61529 2623 if(itype[i]==C1LS||itype[i]==C2LS||itype[i]==LOADLR) {
57871462 2624 rth=get_reg(i_regmap,FTEMP|64);
2625 rt=get_reg(i_regmap,FTEMP);
2626 }else{
2627 rth=get_reg(i_regmap,rt1[i]|64);
2628 rt=get_reg(i_regmap,rt1[i]);
2629 }
2630 assert(rs>=0);
57871462 2631 if(addr<0) addr=rt;
535d208a 2632 if(addr<0&&itype[i]!=C1LS&&itype[i]!=C2LS&&itype[i]!=LOADLR) addr=get_reg(i_regmap,-1);
57871462 2633 assert(addr>=0);
2634 int ftable=0;
2635 if(type==LOADB_STUB||type==LOADBU_STUB)
2636 ftable=(int)readmemb;
2637 if(type==LOADH_STUB||type==LOADHU_STUB)
2638 ftable=(int)readmemh;
2639 if(type==LOADW_STUB)
2640 ftable=(int)readmem;
24385cae 2641#ifndef FORCE32
57871462 2642 if(type==LOADD_STUB)
2643 ftable=(int)readmemd;
24385cae 2644#endif
2645 assert(ftable!=0);
57871462 2646 emit_writeword(rs,(int)&address);
2647 //emit_pusha();
2648 save_regs(reglist);
2649 ds=i_regs!=&regs[i];
2650 int real_rs=(itype[i]==LOADLR)?-1:get_reg(i_regmap,rs1[i]);
2651 u_int cmask=ds?-1:(0x100f|~i_regs->wasconst);
2652 if(!ds) load_all_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))&0x100f,i);
2653 wb_dirtys(i_regs->regmap_entry,i_regs->was32,i_regs->wasdirty&cmask&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs)));
2654 if(!ds) wb_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))&~0x100f,i);
2655 emit_shrimm(rs,16,1);
2656 int cc=get_reg(i_regmap,CCREG);
2657 if(cc<0) {
2658 emit_loadreg(CCREG,2);
2659 }
2660 emit_movimm(ftable,0);
2661 emit_addimm(cc<0?2:cc,2*stubs[n][6]+2,2);
f51dc36c 2662#ifndef PCSX
57871462 2663 emit_movimm(start+stubs[n][3]*4+(((regs[i].was32>>rs1[i])&1)<<1)+ds,3);
f51dc36c 2664#endif
57871462 2665 //emit_readword((int)&last_count,temp);
2666 //emit_add(cc,temp,cc);
2667 //emit_writeword(cc,(int)&Count);
2668 //emit_mov(15,14);
2669 emit_call((int)&indirect_jump_indexed);
2670 //emit_callreg(rs);
2671 //emit_readword_dualindexedx4(rs,HOST_TEMPREG,15);
f51dc36c 2672#ifndef PCSX
57871462 2673 // We really shouldn't need to update the count here,
2674 // but not doing so causes random crashes...
2675 emit_readword((int)&Count,HOST_TEMPREG);
2676 emit_readword((int)&next_interupt,2);
2677 emit_addimm(HOST_TEMPREG,-2*stubs[n][6]-2,HOST_TEMPREG);
2678 emit_writeword(2,(int)&last_count);
2679 emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc);
2680 if(cc<0) {
2681 emit_storereg(CCREG,HOST_TEMPREG);
2682 }
f51dc36c 2683#endif
57871462 2684 //emit_popa();
2685 restore_regs(reglist);
2686 //if((cc=get_reg(regmap,CCREG))>=0) {
2687 // emit_loadreg(CCREG,cc);
2688 //}
f18c0f46 2689 if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) {
2690 assert(rt>=0);
2691 if(type==LOADB_STUB)
2692 emit_movsbl((int)&readmem_dword,rt);
2693 if(type==LOADBU_STUB)
2694 emit_movzbl((int)&readmem_dword,rt);
2695 if(type==LOADH_STUB)
2696 emit_movswl((int)&readmem_dword,rt);
2697 if(type==LOADHU_STUB)
2698 emit_movzwl((int)&readmem_dword,rt);
2699 if(type==LOADW_STUB)
2700 emit_readword((int)&readmem_dword,rt);
2701 if(type==LOADD_STUB) {
2702 emit_readword((int)&readmem_dword,rt);
2703 if(rth>=0) emit_readword(((int)&readmem_dword)+4,rth);
2704 }
57871462 2705 }
2706 emit_jmp(stubs[n][2]); // return address
2707}
2708
2709inline_readstub(int type, int i, u_int addr, signed char regmap[], int target, int adj, u_int reglist)
2710{
2711 int rs=get_reg(regmap,target);
2712 int rth=get_reg(regmap,target|64);
2713 int rt=get_reg(regmap,target);
535d208a 2714 if(rs<0) rs=get_reg(regmap,-1);
57871462 2715 assert(rs>=0);
57871462 2716 int ftable=0;
2717 if(type==LOADB_STUB||type==LOADBU_STUB)
2718 ftable=(int)readmemb;
2719 if(type==LOADH_STUB||type==LOADHU_STUB)
2720 ftable=(int)readmemh;
2721 if(type==LOADW_STUB)
2722 ftable=(int)readmem;
24385cae 2723#ifndef FORCE32
57871462 2724 if(type==LOADD_STUB)
2725 ftable=(int)readmemd;
24385cae 2726#endif
2727 assert(ftable!=0);
cbbab9cd 2728#ifdef PCSX
2729 if(pcsx_direct_read(type,addr,target?rs:-1,rt))
2730 return;
2731#endif
fd99c415 2732 if(target==0)
2733 emit_movimm(addr,rs);
57871462 2734 emit_writeword(rs,(int)&address);
2735 //emit_pusha();
2736 save_regs(reglist);
2737 //emit_shrimm(rs,16,1);
2738 int cc=get_reg(regmap,CCREG);
2739 if(cc<0) {
2740 emit_loadreg(CCREG,2);
2741 }
2742 //emit_movimm(ftable,0);
2743 emit_movimm(((u_int *)ftable)[addr>>16],0);
2744 //emit_readword((int)&last_count,12);
2745 emit_addimm(cc<0?2:cc,CLOCK_DIVIDER*(adj+1),2);
f51dc36c 2746#ifndef PCSX
57871462 2747 if((signed int)addr>=(signed int)0xC0000000) {
2748 // Pagefault address
2749 int ds=regmap!=regs[i].regmap;
2750 emit_movimm(start+i*4+(((regs[i].was32>>rs1[i])&1)<<1)+ds,3);
2751 }
f51dc36c 2752#endif
57871462 2753 //emit_add(12,2,2);
2754 //emit_writeword(2,(int)&Count);
2755 //emit_call(((u_int *)ftable)[addr>>16]);
2756 emit_call((int)&indirect_jump);
f51dc36c 2757#ifndef PCSX
57871462 2758 // We really shouldn't need to update the count here,
2759 // but not doing so causes random crashes...
2760 emit_readword((int)&Count,HOST_TEMPREG);
2761 emit_readword((int)&next_interupt,2);
2762 emit_addimm(HOST_TEMPREG,-CLOCK_DIVIDER*(adj+1),HOST_TEMPREG);
2763 emit_writeword(2,(int)&last_count);
2764 emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc);
2765 if(cc<0) {
2766 emit_storereg(CCREG,HOST_TEMPREG);
2767 }
f51dc36c 2768#endif
57871462 2769 //emit_popa();
2770 restore_regs(reglist);
fd99c415 2771 if(rt>=0) {
2772 if(type==LOADB_STUB)
2773 emit_movsbl((int)&readmem_dword,rt);
2774 if(type==LOADBU_STUB)
2775 emit_movzbl((int)&readmem_dword,rt);
2776 if(type==LOADH_STUB)
2777 emit_movswl((int)&readmem_dword,rt);
2778 if(type==LOADHU_STUB)
2779 emit_movzwl((int)&readmem_dword,rt);
2780 if(type==LOADW_STUB)
2781 emit_readword((int)&readmem_dword,rt);
2782 if(type==LOADD_STUB) {
2783 emit_readword((int)&readmem_dword,rt);
2784 if(rth>=0) emit_readword(((int)&readmem_dword)+4,rth);
2785 }
57871462 2786 }
2787}
2788
2789do_writestub(int n)
2790{
2791 assem_debug("do_writestub %x\n",start+stubs[n][3]*4);
2792 literal_pool(256);
2793 set_jump_target(stubs[n][1],(int)out);
2794 int type=stubs[n][0];
2795 int i=stubs[n][3];
2796 int rs=stubs[n][4];
2797 struct regstat *i_regs=(struct regstat *)stubs[n][5];
2798 u_int reglist=stubs[n][7];
2799 signed char *i_regmap=i_regs->regmap;
2800 int addr=get_reg(i_regmap,AGEN1+(i&1));
2801 int rth,rt,r;
2802 int ds;
b9b61529 2803 if(itype[i]==C1LS||itype[i]==C2LS) {
57871462 2804 rth=get_reg(i_regmap,FTEMP|64);
2805 rt=get_reg(i_regmap,r=FTEMP);
2806 }else{
2807 rth=get_reg(i_regmap,rs2[i]|64);
2808 rt=get_reg(i_regmap,r=rs2[i]);
2809 }
2810 assert(rs>=0);
2811 assert(rt>=0);
2812 if(addr<0) addr=get_reg(i_regmap,-1);
2813 assert(addr>=0);
2814 int ftable=0;
2815 if(type==STOREB_STUB)
2816 ftable=(int)writememb;
2817 if(type==STOREH_STUB)
2818 ftable=(int)writememh;
2819 if(type==STOREW_STUB)
2820 ftable=(int)writemem;
24385cae 2821#ifndef FORCE32
57871462 2822 if(type==STORED_STUB)
2823 ftable=(int)writememd;
24385cae 2824#endif
2825 assert(ftable!=0);
57871462 2826 emit_writeword(rs,(int)&address);
2827 //emit_shrimm(rs,16,rs);
2828 //emit_movmem_indexedx4(ftable,rs,rs);
2829 if(type==STOREB_STUB)
2830 emit_writebyte(rt,(int)&byte);
2831 if(type==STOREH_STUB)
2832 emit_writehword(rt,(int)&hword);
2833 if(type==STOREW_STUB)
2834 emit_writeword(rt,(int)&word);
2835 if(type==STORED_STUB) {
3d624f89 2836#ifndef FORCE32
57871462 2837 emit_writeword(rt,(int)&dword);
2838 emit_writeword(r?rth:rt,(int)&dword+4);
3d624f89 2839#else
2840 printf("STORED_STUB\n");
2841#endif
57871462 2842 }
2843 //emit_pusha();
2844 save_regs(reglist);
2845 ds=i_regs!=&regs[i];
2846 int real_rs=get_reg(i_regmap,rs1[i]);
2847 u_int cmask=ds?-1:(0x100f|~i_regs->wasconst);
2848 if(!ds) load_all_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))&0x100f,i);
2849 wb_dirtys(i_regs->regmap_entry,i_regs->was32,i_regs->wasdirty&cmask&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs)));
2850 if(!ds) wb_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))&~0x100f,i);
2851 emit_shrimm(rs,16,1);
2852 int cc=get_reg(i_regmap,CCREG);
2853 if(cc<0) {
2854 emit_loadreg(CCREG,2);
2855 }
2856 emit_movimm(ftable,0);
2857 emit_addimm(cc<0?2:cc,2*stubs[n][6]+2,2);
f51dc36c 2858#ifndef PCSX
57871462 2859 emit_movimm(start+stubs[n][3]*4+(((regs[i].was32>>rs1[i])&1)<<1)+ds,3);
f51dc36c 2860#endif
57871462 2861 //emit_readword((int)&last_count,temp);
2862 //emit_addimm(cc,2*stubs[n][5]+2,cc);
2863 //emit_add(cc,temp,cc);
2864 //emit_writeword(cc,(int)&Count);
2865 emit_call((int)&indirect_jump_indexed);
2866 //emit_callreg(rs);
2867 emit_readword((int)&Count,HOST_TEMPREG);
2868 emit_readword((int)&next_interupt,2);
2869 emit_addimm(HOST_TEMPREG,-2*stubs[n][6]-2,HOST_TEMPREG);
2870 emit_writeword(2,(int)&last_count);
2871 emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc);
2872 if(cc<0) {
2873 emit_storereg(CCREG,HOST_TEMPREG);
2874 }
2875 //emit_popa();
2876 restore_regs(reglist);
2877 //if((cc=get_reg(regmap,CCREG))>=0) {
2878 // emit_loadreg(CCREG,cc);
2879 //}
2880 emit_jmp(stubs[n][2]); // return address
2881}
2882
2883inline_writestub(int type, int i, u_int addr, signed char regmap[], int target, int adj, u_int reglist)
2884{
2885 int rs=get_reg(regmap,-1);
2886 int rth=get_reg(regmap,target|64);
2887 int rt=get_reg(regmap,target);
2888 assert(rs>=0);
2889 assert(rt>=0);
cbbab9cd 2890#ifdef PCSX
2891 if(pcsx_direct_write(type,addr,rs,rt,regmap))
2892 return;
2893#endif
57871462 2894 int ftable=0;
2895 if(type==STOREB_STUB)
2896 ftable=(int)writememb;
2897 if(type==STOREH_STUB)
2898 ftable=(int)writememh;
2899 if(type==STOREW_STUB)
2900 ftable=(int)writemem;
24385cae 2901#ifndef FORCE32
57871462 2902 if(type==STORED_STUB)
2903 ftable=(int)writememd;
24385cae 2904#endif
2905 assert(ftable!=0);
57871462 2906 emit_writeword(rs,(int)&address);
2907 //emit_shrimm(rs,16,rs);
2908 //emit_movmem_indexedx4(ftable,rs,rs);
2909 if(type==STOREB_STUB)
2910 emit_writebyte(rt,(int)&byte);
2911 if(type==STOREH_STUB)
2912 emit_writehword(rt,(int)&hword);
2913 if(type==STOREW_STUB)
2914 emit_writeword(rt,(int)&word);
2915 if(type==STORED_STUB) {
3d624f89 2916#ifndef FORCE32
57871462 2917 emit_writeword(rt,(int)&dword);
2918 emit_writeword(target?rth:rt,(int)&dword+4);
3d624f89 2919#else
2920 printf("STORED_STUB\n");
2921#endif
57871462 2922 }
2923 //emit_pusha();
2924 save_regs(reglist);
2925 //emit_shrimm(rs,16,1);
2926 int cc=get_reg(regmap,CCREG);
2927 if(cc<0) {
2928 emit_loadreg(CCREG,2);
2929 }
2930 //emit_movimm(ftable,0);
2931 emit_movimm(((u_int *)ftable)[addr>>16],0);
2932 //emit_readword((int)&last_count,12);
2933 emit_addimm(cc<0?2:cc,CLOCK_DIVIDER*(adj+1),2);
f51dc36c 2934#ifndef PCSX
57871462 2935 if((signed int)addr>=(signed int)0xC0000000) {
2936 // Pagefault address
2937 int ds=regmap!=regs[i].regmap;
2938 emit_movimm(start+i*4+(((regs[i].was32>>rs1[i])&1)<<1)+ds,3);
2939 }
f51dc36c 2940#endif
57871462 2941 //emit_add(12,2,2);
2942 //emit_writeword(2,(int)&Count);
2943 //emit_call(((u_int *)ftable)[addr>>16]);
2944 emit_call((int)&indirect_jump);
2945 emit_readword((int)&Count,HOST_TEMPREG);
2946 emit_readword((int)&next_interupt,2);
2947 emit_addimm(HOST_TEMPREG,-CLOCK_DIVIDER*(adj+1),HOST_TEMPREG);
2948 emit_writeword(2,(int)&last_count);
2949 emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc);
2950 if(cc<0) {
2951 emit_storereg(CCREG,HOST_TEMPREG);
2952 }
2953 //emit_popa();
2954 restore_regs(reglist);
2955}
2956
2957do_unalignedwritestub(int n)
2958{
b7918751 2959 assem_debug("do_unalignedwritestub %x\n",start+stubs[n][3]*4);
2960 literal_pool(256);
57871462 2961 set_jump_target(stubs[n][1],(int)out);
b7918751 2962
2963 int i=stubs[n][3];
2964 struct regstat *i_regs=(struct regstat *)stubs[n][4];
2965 int addr=stubs[n][5];
2966 u_int reglist=stubs[n][7];
2967 signed char *i_regmap=i_regs->regmap;
2968 int temp2=get_reg(i_regmap,FTEMP);
2969 int rt;
2970 int ds, real_rs;
2971 rt=get_reg(i_regmap,rs2[i]);
2972 assert(rt>=0);
2973 assert(addr>=0);
2974 assert(opcode[i]==0x2a||opcode[i]==0x2e); // SWL/SWR only implemented
2975 reglist|=(1<<addr);
2976 reglist&=~(1<<temp2);
2977
2978 emit_andimm(addr,0xfffffffc,temp2);
2979 emit_writeword(temp2,(int)&address);
2980
2981 save_regs(reglist);
2982 ds=i_regs!=&regs[i];
2983 real_rs=get_reg(i_regmap,rs1[i]);
2984 u_int cmask=ds?-1:(0x100f|~i_regs->wasconst);
2985 if(!ds) load_all_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))&0x100f,i);
2986 wb_dirtys(i_regs->regmap_entry,i_regs->was32,i_regs->wasdirty&cmask&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs)));
2987 if(!ds) wb_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))&~0x100f,i);
2988 emit_shrimm(addr,16,1);
2989 int cc=get_reg(i_regmap,CCREG);
2990 if(cc<0) {
2991 emit_loadreg(CCREG,2);
2992 }
2993 emit_movimm((u_int)readmem,0);
2994 emit_addimm(cc<0?2:cc,2*stubs[n][6]+2,2);
f51dc36c 2995#ifndef PCSX
2996 // pagefault address
2997 emit_movimm(start+stubs[n][3]*4+(((regs[i].was32>>rs1[i])&1)<<1)+ds,3);
2998#endif
b7918751 2999 emit_call((int)&indirect_jump_indexed);
3000 restore_regs(reglist);
3001
3002 emit_readword((int)&readmem_dword,temp2);
3003 int temp=addr; //hmh
3004 emit_shlimm(addr,3,temp);
3005 emit_andimm(temp,24,temp);
3006#ifdef BIG_ENDIAN_MIPS
3007 if (opcode[i]==0x2e) // SWR
3008#else
3009 if (opcode[i]==0x2a) // SWL
3010#endif
3011 emit_xorimm(temp,24,temp);
3012 emit_movimm(-1,HOST_TEMPREG);
55439448 3013 if (opcode[i]==0x2a) { // SWL
b7918751 3014 emit_bic_lsr(temp2,HOST_TEMPREG,temp,temp2);
3015 emit_orrshr(rt,temp,temp2);
3016 }else{
3017 emit_bic_lsl(temp2,HOST_TEMPREG,temp,temp2);
3018 emit_orrshl(rt,temp,temp2);
3019 }
3020 emit_readword((int)&address,addr);
3021 emit_writeword(temp2,(int)&word);
3022 //save_regs(reglist); // don't need to, no state changes
3023 emit_shrimm(addr,16,1);
3024 emit_movimm((u_int)writemem,0);
3025 //emit_call((int)&indirect_jump_indexed);
3026 emit_mov(15,14);
3027 emit_readword_dualindexedx4(0,1,15);
3028 emit_readword((int)&Count,HOST_TEMPREG);
3029 emit_readword((int)&next_interupt,2);
3030 emit_addimm(HOST_TEMPREG,-2*stubs[n][6]-2,HOST_TEMPREG);
3031 emit_writeword(2,(int)&last_count);
3032 emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc);
3033 if(cc<0) {
3034 emit_storereg(CCREG,HOST_TEMPREG);
3035 }
3036 restore_regs(reglist);
57871462 3037 emit_jmp(stubs[n][2]); // return address
3038}
3039
3040void printregs(int edi,int esi,int ebp,int esp,int b,int d,int c,int a)
3041{
3042 printf("regs: %x %x %x %x %x %x %x (%x)\n",a,b,c,d,ebp,esi,edi,(&edi)[-1]);
3043}
3044
3045do_invstub(int n)
3046{
3047 literal_pool(20);
3048 u_int reglist=stubs[n][3];
3049 set_jump_target(stubs[n][1],(int)out);
3050 save_regs(reglist);
3051 if(stubs[n][4]!=0) emit_mov(stubs[n][4],0);
3052 emit_call((int)&invalidate_addr);
3053 restore_regs(reglist);
3054 emit_jmp(stubs[n][2]); // return address
3055}
3056
3057int do_dirty_stub(int i)
3058{
3059 assem_debug("do_dirty_stub %x\n",start+i*4);
ac545b3a 3060 u_int addr=(int)start<(int)0xC0000000?(u_int)source:(u_int)start;
3061 #ifdef PCSX
3062 addr=(u_int)source;
3063 #endif
57871462 3064 // Careful about the code output here, verify_dirty needs to parse it.
3065 #ifdef ARMv5_ONLY
ac545b3a 3066 emit_loadlp(addr,1);
57871462 3067 emit_loadlp((int)copy,2);
3068 emit_loadlp(slen*4,3);
3069 #else
ac545b3a 3070 emit_movw(addr&0x0000FFFF,1);
57871462 3071 emit_movw(((u_int)copy)&0x0000FFFF,2);
ac545b3a 3072 emit_movt(addr&0xFFFF0000,1);
57871462 3073 emit_movt(((u_int)copy)&0xFFFF0000,2);
3074 emit_movw(slen*4,3);
3075 #endif
3076 emit_movimm(start+i*4,0);
3077 emit_call((int)start<(int)0xC0000000?(int)&verify_code:(int)&verify_code_vm);
3078 int entry=(int)out;
3079 load_regs_entry(i);
3080 if(entry==(int)out) entry=instr_addr[i];
3081 emit_jmp(instr_addr[i]);
3082 return entry;
3083}
3084
3085void do_dirty_stub_ds()
3086{
3087 // Careful about the code output here, verify_dirty needs to parse it.
3088 #ifdef ARMv5_ONLY
3089 emit_loadlp((int)start<(int)0xC0000000?(int)source:(int)start,1);
3090 emit_loadlp((int)copy,2);
3091 emit_loadlp(slen*4,3);
3092 #else
3093 emit_movw(((int)start<(int)0xC0000000?(u_int)source:(u_int)start)&0x0000FFFF,1);
3094 emit_movw(((u_int)copy)&0x0000FFFF,2);
3095 emit_movt(((int)start<(int)0xC0000000?(u_int)source:(u_int)start)&0xFFFF0000,1);
3096 emit_movt(((u_int)copy)&0xFFFF0000,2);
3097 emit_movw(slen*4,3);
3098 #endif
3099 emit_movimm(start+1,0);
3100 emit_call((int)&verify_code_ds);
3101}
3102
3103do_cop1stub(int n)
3104{
3105 literal_pool(256);
3106 assem_debug("do_cop1stub %x\n",start+stubs[n][3]*4);
3107 set_jump_target(stubs[n][1],(int)out);
3108 int i=stubs[n][3];
3d624f89 3109// int rs=stubs[n][4];
57871462 3110 struct regstat *i_regs=(struct regstat *)stubs[n][5];
3111 int ds=stubs[n][6];
3112 if(!ds) {
3113 load_all_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty,i);
3114 //if(i_regs!=&regs[i]) printf("oops: regs[i]=%x i_regs=%x",(int)&regs[i],(int)i_regs);
3115 }
3116 //else {printf("fp exception in delay slot\n");}
3117 wb_dirtys(i_regs->regmap_entry,i_regs->was32,i_regs->wasdirty);
3118 if(regs[i].regmap_entry[HOST_CCREG]!=CCREG) emit_loadreg(CCREG,HOST_CCREG);
3119 emit_movimm(start+(i-ds)*4,EAX); // Get PC
3120 emit_addimm(HOST_CCREG,CLOCK_DIVIDER*ccadj[i],HOST_CCREG); // CHECK: is this right? There should probably be an extra cycle...
3121 emit_jmp(ds?(int)fp_exception_ds:(int)fp_exception);
3122}
3123
3124/* TLB */
3125
3126int do_tlb_r(int s,int ar,int map,int x,int a,int shift,int c,u_int addr)
3127{
3128 if(c) {
3129 if((signed int)addr>=(signed int)0xC0000000) {
3130 // address_generation already loaded the const
3131 emit_readword_dualindexedx4(FP,map,map);
3132 }
3133 else
3134 return -1; // No mapping
3135 }
3136 else {
3137 assert(s!=map);
3138 emit_movimm(((int)memory_map-(int)&dynarec_local)>>2,map);
3139 emit_addsr12(map,s,map);
3140 // Schedule this while we wait on the load
3141 //if(x) emit_xorimm(s,x,ar);
3142 if(shift>=0) emit_shlimm(s,3,shift);
3143 if(~a) emit_andimm(s,a,ar);
3144 emit_readword_dualindexedx4(FP,map,map);
3145 }
3146 return map;
3147}
3148int do_tlb_r_branch(int map, int c, u_int addr, int *jaddr)
3149{
3150 if(!c||(signed int)addr>=(signed int)0xC0000000) {
3151 emit_test(map,map);
3152 *jaddr=(int)out;
3153 emit_js(0);
3154 }
3155 return map;
3156}
3157
3158int gen_tlb_addr_r(int ar, int map) {
3159 if(map>=0) {
3160 assem_debug("add %s,%s,%s lsl #2\n",regname[ar],regname[ar],regname[map]);
3161 output_w32(0xe0800100|rd_rn_rm(ar,ar,map));
3162 }
3163}
3164
3165int do_tlb_w(int s,int ar,int map,int x,int c,u_int addr)
3166{
3167 if(c) {
3168 if(addr<0x80800000||addr>=0xC0000000) {
3169 // address_generation already loaded the const
3170 emit_readword_dualindexedx4(FP,map,map);
3171 }
3172 else
3173 return -1; // No mapping
3174 }
3175 else {
3176 assert(s!=map);
3177 emit_movimm(((int)memory_map-(int)&dynarec_local)>>2,map);
3178 emit_addsr12(map,s,map);
3179 // Schedule this while we wait on the load
3180 //if(x) emit_xorimm(s,x,ar);
3181 emit_readword_dualindexedx4(FP,map,map);
3182 }
3183 return map;
3184}
3185int do_tlb_w_branch(int map, int c, u_int addr, int *jaddr)
3186{
3187 if(!c||addr<0x80800000||addr>=0xC0000000) {
3188 emit_testimm(map,0x40000000);
3189 *jaddr=(int)out;
3190 emit_jne(0);
3191 }
3192}
3193
3194int gen_tlb_addr_w(int ar, int map) {
3195 if(map>=0) {
3196 assem_debug("add %s,%s,%s lsl #2\n",regname[ar],regname[ar],regname[map]);
3197 output_w32(0xe0800100|rd_rn_rm(ar,ar,map));
3198 }
3199}
3200
3201// Generate the address of the memory_map entry, relative to dynarec_local
3202generate_map_const(u_int addr,int reg) {
3203 //printf("generate_map_const(%x,%s)\n",addr,regname[reg]);
3204 emit_movimm((addr>>12)+(((u_int)memory_map-(u_int)&dynarec_local)>>2),reg);
3205}
3206
3207/* Special assem */
3208
3209void shift_assemble_arm(int i,struct regstat *i_regs)
3210{
3211 if(rt1[i]) {
3212 if(opcode2[i]<=0x07) // SLLV/SRLV/SRAV
3213 {
3214 signed char s,t,shift;
3215 t=get_reg(i_regs->regmap,rt1[i]);
3216 s=get_reg(i_regs->regmap,rs1[i]);
3217 shift=get_reg(i_regs->regmap,rs2[i]);
3218 if(t>=0){
3219 if(rs1[i]==0)
3220 {
3221 emit_zeroreg(t);
3222 }
3223 else if(rs2[i]==0)
3224 {
3225 assert(s>=0);
3226 if(s!=t) emit_mov(s,t);
3227 }
3228 else
3229 {
3230 emit_andimm(shift,31,HOST_TEMPREG);
3231 if(opcode2[i]==4) // SLLV
3232 {
3233 emit_shl(s,HOST_TEMPREG,t);
3234 }
3235 if(opcode2[i]==6) // SRLV
3236 {
3237 emit_shr(s,HOST_TEMPREG,t);
3238 }
3239 if(opcode2[i]==7) // SRAV
3240 {
3241 emit_sar(s,HOST_TEMPREG,t);
3242 }
3243 }
3244 }
3245 } else { // DSLLV/DSRLV/DSRAV
3246 signed char sh,sl,th,tl,shift;
3247 th=get_reg(i_regs->regmap,rt1[i]|64);
3248 tl=get_reg(i_regs->regmap,rt1[i]);
3249 sh=get_reg(i_regs->regmap,rs1[i]|64);
3250 sl=get_reg(i_regs->regmap,rs1[i]);
3251 shift=get_reg(i_regs->regmap,rs2[i]);
3252 if(tl>=0){
3253 if(rs1[i]==0)
3254 {
3255 emit_zeroreg(tl);
3256 if(th>=0) emit_zeroreg(th);
3257 }
3258 else if(rs2[i]==0)
3259 {
3260 assert(sl>=0);
3261 if(sl!=tl) emit_mov(sl,tl);
3262 if(th>=0&&sh!=th) emit_mov(sh,th);
3263 }
3264 else
3265 {
3266 // FIXME: What if shift==tl ?
3267 assert(shift!=tl);
3268 int temp=get_reg(i_regs->regmap,-1);
3269 int real_th=th;
3270 if(th<0&&opcode2[i]!=0x14) {th=temp;} // DSLLV doesn't need a temporary register
3271 assert(sl>=0);
3272 assert(sh>=0);
3273 emit_andimm(shift,31,HOST_TEMPREG);
3274 if(opcode2[i]==0x14) // DSLLV
3275 {
3276 if(th>=0) emit_shl(sh,HOST_TEMPREG,th);
3277 emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG);
3278 emit_orrshr(sl,HOST_TEMPREG,th);
3279 emit_andimm(shift,31,HOST_TEMPREG);
3280 emit_testimm(shift,32);
3281 emit_shl(sl,HOST_TEMPREG,tl);
3282 if(th>=0) emit_cmovne_reg(tl,th);
3283 emit_cmovne_imm(0,tl);
3284 }
3285 if(opcode2[i]==0x16) // DSRLV
3286 {
3287 assert(th>=0);
3288 emit_shr(sl,HOST_TEMPREG,tl);
3289 emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG);
3290 emit_orrshl(sh,HOST_TEMPREG,tl);
3291 emit_andimm(shift,31,HOST_TEMPREG);
3292 emit_testimm(shift,32);
3293 emit_shr(sh,HOST_TEMPREG,th);
3294 emit_cmovne_reg(th,tl);
3295 if(real_th>=0) emit_cmovne_imm(0,th);
3296 }
3297 if(opcode2[i]==0x17) // DSRAV
3298 {
3299 assert(th>=0);
3300 emit_shr(sl,HOST_TEMPREG,tl);
3301 emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG);
3302 if(real_th>=0) {
3303 assert(temp>=0);
3304 emit_sarimm(th,31,temp);
3305 }
3306 emit_orrshl(sh,HOST_TEMPREG,tl);
3307 emit_andimm(shift,31,HOST_TEMPREG);
3308 emit_testimm(shift,32);
3309 emit_sar(sh,HOST_TEMPREG,th);
3310 emit_cmovne_reg(th,tl);
3311 if(real_th>=0) emit_cmovne_reg(temp,th);
3312 }
3313 }
3314 }
3315 }
3316 }
3317}
3318#define shift_assemble shift_assemble_arm
3319
3320void loadlr_assemble_arm(int i,struct regstat *i_regs)
3321{
3322 int s,th,tl,temp,temp2,addr,map=-1;
3323 int offset;
3324 int jaddr=0;
3325 int memtarget,c=0;
3326 u_int hr,reglist=0;
3327 th=get_reg(i_regs->regmap,rt1[i]|64);
3328 tl=get_reg(i_regs->regmap,rt1[i]);
3329 s=get_reg(i_regs->regmap,rs1[i]);
3330 temp=get_reg(i_regs->regmap,-1);
3331 temp2=get_reg(i_regs->regmap,FTEMP);
3332 addr=get_reg(i_regs->regmap,AGEN1+(i&1));
3333 assert(addr<0);
3334 offset=imm[i];
3335 for(hr=0;hr<HOST_REGS;hr++) {
3336 if(i_regs->regmap[hr]>=0) reglist|=1<<hr;
3337 }
3338 reglist|=1<<temp;
3339 if(offset||s<0||c) addr=temp2;
3340 else addr=s;
3341 if(s>=0) {
3342 c=(i_regs->wasconst>>s)&1;
4cb76aa4 3343 memtarget=((signed int)(constmap[i][s]+offset))<(signed int)0x80000000+RAM_SIZE;
57871462 3344 if(using_tlb&&((signed int)(constmap[i][s]+offset))>=(signed int)0xC0000000) memtarget=1;
3345 }
535d208a 3346 if(!using_tlb) {
3347 if(!c) {
3348 #ifdef RAM_OFFSET
3349 map=get_reg(i_regs->regmap,ROREG);
3350 if(map<0) emit_loadreg(ROREG,map=HOST_TEMPREG);
3351 #endif
3352 emit_shlimm(addr,3,temp);
3353 if (opcode[i]==0x22||opcode[i]==0x26) {
3354 emit_andimm(addr,0xFFFFFFFC,temp2); // LWL/LWR
57871462 3355 }else{
535d208a 3356 emit_andimm(addr,0xFFFFFFF8,temp2); // LDL/LDR
57871462 3357 }
535d208a 3358 emit_cmpimm(addr,RAM_SIZE);
3359 jaddr=(int)out;
3360 emit_jno(0);
3361 }
3362 else {
3363 if (opcode[i]==0x22||opcode[i]==0x26) {
3364 emit_movimm(((constmap[i][s]+offset)<<3)&24,temp); // LWL/LWR
3365 }else{
3366 emit_movimm(((constmap[i][s]+offset)<<3)&56,temp); // LDL/LDR
57871462 3367 }
57871462 3368 }
535d208a 3369 }else{ // using tlb
3370 int a;
3371 if(c) {
3372 a=-1;
3373 }else if (opcode[i]==0x22||opcode[i]==0x26) {
3374 a=0xFFFFFFFC; // LWL/LWR
3375 }else{
3376 a=0xFFFFFFF8; // LDL/LDR
3377 }
3378 map=get_reg(i_regs->regmap,TLREG);
3379 assert(map>=0);
3380 map=do_tlb_r(addr,temp2,map,0,a,c?-1:temp,c,constmap[i][s]+offset);
3381 if(c) {
3382 if (opcode[i]==0x22||opcode[i]==0x26) {
3383 emit_movimm(((constmap[i][s]+offset)<<3)&24,temp); // LWL/LWR
3384 }else{
3385 emit_movimm(((constmap[i][s]+offset)<<3)&56,temp); // LDL/LDR
57871462 3386 }
535d208a 3387 }
3388 do_tlb_r_branch(map,c,constmap[i][s]+offset,&jaddr);
3389 }
3390 if (opcode[i]==0x22||opcode[i]==0x26) { // LWL/LWR
3391 if(!c||memtarget) {
3392 //emit_readword_indexed((int)rdram-0x80000000,temp2,temp2);
3393 emit_readword_indexed_tlb(0,temp2,map,temp2);
3394 if(jaddr) add_stub(LOADW_STUB,jaddr,(int)out,i,temp2,(int)i_regs,ccadj[i],reglist);
3395 }
3396 else
3397 inline_readstub(LOADW_STUB,i,(constmap[i][s]+offset)&0xFFFFFFFC,i_regs->regmap,FTEMP,ccadj[i],reglist);
3398 if(rt1[i]) {
3399 assert(tl>=0);
57871462 3400 emit_andimm(temp,24,temp);
2002a1db 3401#ifdef BIG_ENDIAN_MIPS
3402 if (opcode[i]==0x26) // LWR
3403#else
3404 if (opcode[i]==0x22) // LWL
3405#endif
3406 emit_xorimm(temp,24,temp);
57871462 3407 emit_movimm(-1,HOST_TEMPREG);
3408 if (opcode[i]==0x26) {
3409 emit_shr(temp2,temp,temp2);
3410 emit_bic_lsr(tl,HOST_TEMPREG,temp,tl);
3411 }else{
3412 emit_shl(temp2,temp,temp2);
3413 emit_bic_lsl(tl,HOST_TEMPREG,temp,tl);
3414 }
3415 emit_or(temp2,tl,tl);
57871462 3416 }
535d208a 3417 //emit_storereg(rt1[i],tl); // DEBUG
3418 }
3419 if (opcode[i]==0x1A||opcode[i]==0x1B) { // LDL/LDR
3420 // FIXME: little endian
3421 int temp2h=get_reg(i_regs->regmap,FTEMP|64);
3422 if(!c||memtarget) {
3423 //if(th>=0) emit_readword_indexed((int)rdram-0x80000000,temp2,temp2h);
3424 //emit_readword_indexed((int)rdram-0x7FFFFFFC,temp2,temp2);
3425 emit_readdword_indexed_tlb(0,temp2,map,temp2h,temp2);
3426 if(jaddr) add_stub(LOADD_STUB,jaddr,(int)out,i,temp2,(int)i_regs,ccadj[i],reglist);
3427 }
3428 else
3429 inline_readstub(LOADD_STUB,i,(constmap[i][s]+offset)&0xFFFFFFF8,i_regs->regmap,FTEMP,ccadj[i],reglist);
3430 if(rt1[i]) {
3431 assert(th>=0);
3432 assert(tl>=0);
57871462 3433 emit_testimm(temp,32);
3434 emit_andimm(temp,24,temp);
3435 if (opcode[i]==0x1A) { // LDL
3436 emit_rsbimm(temp,32,HOST_TEMPREG);
3437 emit_shl(temp2h,temp,temp2h);
3438 emit_orrshr(temp2,HOST_TEMPREG,temp2h);
3439 emit_movimm(-1,HOST_TEMPREG);
3440 emit_shl(temp2,temp,temp2);
3441 emit_cmove_reg(temp2h,th);
3442 emit_biceq_lsl(tl,HOST_TEMPREG,temp,tl);
3443 emit_bicne_lsl(th,HOST_TEMPREG,temp,th);
3444 emit_orreq(temp2,tl,tl);
3445 emit_orrne(temp2,th,th);
3446 }
3447 if (opcode[i]==0x1B) { // LDR
3448 emit_xorimm(temp,24,temp);
3449 emit_rsbimm(temp,32,HOST_TEMPREG);
3450 emit_shr(temp2,temp,temp2);
3451 emit_orrshl(temp2h,HOST_TEMPREG,temp2);
3452 emit_movimm(-1,HOST_TEMPREG);
3453 emit_shr(temp2h,temp,temp2h);
3454 emit_cmovne_reg(temp2,tl);
3455 emit_bicne_lsr(th,HOST_TEMPREG,temp,th);
3456 emit_biceq_lsr(tl,HOST_TEMPREG,temp,tl);
3457 emit_orrne(temp2h,th,th);
3458 emit_orreq(temp2h,tl,tl);
3459 }
3460 }
3461 }
3462}
3463#define loadlr_assemble loadlr_assemble_arm
3464
3465void cop0_assemble(int i,struct regstat *i_regs)
3466{
3467 if(opcode2[i]==0) // MFC0
3468 {
3469 signed char t=get_reg(i_regs->regmap,rt1[i]);
3470 char copr=(source[i]>>11)&0x1f;
3471 //assert(t>=0); // Why does this happen? OOT is weird
f1b3b369 3472 if(t>=0&&rt1[i]!=0) {
7139f3c8 3473#ifdef MUPEN64
57871462 3474 emit_addimm(FP,(int)&fake_pc-(int)&dynarec_local,0);
3475 emit_movimm((source[i]>>11)&0x1f,1);
3476 emit_writeword(0,(int)&PC);
3477 emit_writebyte(1,(int)&(fake_pc.f.r.nrd));
3478 if(copr==9) {
3479 emit_readword((int)&last_count,ECX);
3480 emit_loadreg(CCREG,HOST_CCREG); // TODO: do proper reg alloc
3481 emit_add(HOST_CCREG,ECX,HOST_CCREG);
3482 emit_addimm(HOST_CCREG,CLOCK_DIVIDER*ccadj[i],HOST_CCREG);
3483 emit_writeword(HOST_CCREG,(int)&Count);
3484 }
3485 emit_call((int)MFC0);
3486 emit_readword((int)&readmem_dword,t);
7139f3c8 3487#else
3488 emit_readword((int)&reg_cop0+copr*4,t);
3489#endif
57871462 3490 }
3491 }
3492 else if(opcode2[i]==4) // MTC0
3493 {
3494 signed char s=get_reg(i_regs->regmap,rs1[i]);
3495 char copr=(source[i]>>11)&0x1f;
3496 assert(s>=0);
3497 emit_writeword(s,(int)&readmem_dword);
3498 wb_register(rs1[i],i_regs->regmap,i_regs->dirty,i_regs->is32);
fca1aef2 3499#ifdef MUPEN64
57871462 3500 emit_addimm(FP,(int)&fake_pc-(int)&dynarec_local,0);
3501 emit_movimm((source[i]>>11)&0x1f,1);
3502 emit_writeword(0,(int)&PC);
3503 emit_writebyte(1,(int)&(fake_pc.f.r.nrd));
7139f3c8 3504#endif
3505 if(copr==9||copr==11||copr==12||copr==13) {
57871462 3506 emit_readword((int)&last_count,ECX);
3507 emit_loadreg(CCREG,HOST_CCREG); // TODO: do proper reg alloc
3508 emit_add(HOST_CCREG,ECX,HOST_CCREG);
3509 emit_addimm(HOST_CCREG,CLOCK_DIVIDER*ccadj[i],HOST_CCREG);
3510 emit_writeword(HOST_CCREG,(int)&Count);
3511 }
3512 // What a mess. The status register (12) can enable interrupts,
3513 // so needs a special case to handle a pending interrupt.
3514 // The interrupt must be taken immediately, because a subsequent
3515 // instruction might disable interrupts again.
7139f3c8 3516 if(copr==12||copr==13) {
fca1aef2 3517#ifdef PCSX
3518 if (is_delayslot) {
3519 // burn cycles to cause cc_interrupt, which will
3520 // reschedule next_interupt. Relies on CCREG from above.
3521 assem_debug("MTC0 DS %d\n", copr);
3522 emit_writeword(HOST_CCREG,(int)&last_count);
3523 emit_movimm(0,HOST_CCREG);
3524 emit_storereg(CCREG,HOST_CCREG);
3525 emit_movimm(copr,0);
3526 emit_call((int)pcsx_mtc0_ds);
3527 return;
3528 }
3529#endif
57871462 3530 emit_movimm(start+i*4+4,0);
3531 emit_movimm(0,1);
3532 emit_writeword(0,(int)&pcaddr);
3533 emit_writeword(1,(int)&pending_exception);
3534 }
3535 //else if(copr==12&&is_delayslot) emit_call((int)MTC0_R12);
3536 //else
fca1aef2 3537#ifdef PCSX
3538 emit_movimm(copr,0);
3539 emit_call((int)pcsx_mtc0);
3540#else
57871462 3541 emit_call((int)MTC0);
fca1aef2 3542#endif
7139f3c8 3543 if(copr==9||copr==11||copr==12||copr==13) {
57871462 3544 emit_readword((int)&Count,HOST_CCREG);
3545 emit_readword((int)&next_interupt,ECX);
3546 emit_addimm(HOST_CCREG,-CLOCK_DIVIDER*ccadj[i],HOST_CCREG);
3547 emit_sub(HOST_CCREG,ECX,HOST_CCREG);
3548 emit_writeword(ECX,(int)&last_count);
3549 emit_storereg(CCREG,HOST_CCREG);
3550 }
7139f3c8 3551 if(copr==12||copr==13) {
57871462 3552 assert(!is_delayslot);
3553 emit_readword((int)&pending_exception,14);
3554 }
3555 emit_loadreg(rs1[i],s);
3556 if(get_reg(i_regs->regmap,rs1[i]|64)>=0)
3557 emit_loadreg(rs1[i]|64,get_reg(i_regs->regmap,rs1[i]|64));
7139f3c8 3558 if(copr==12||copr==13) {
57871462 3559 emit_test(14,14);
3560 emit_jne((int)&do_interrupt);
3561 }
3562 cop1_usable=0;
3563 }
3564 else
3565 {
3566 assert(opcode2[i]==0x10);
3d624f89 3567#ifndef DISABLE_TLB
57871462 3568 if((source[i]&0x3f)==0x01) // TLBR
3569 emit_call((int)TLBR);
3570 if((source[i]&0x3f)==0x02) // TLBWI
3571 emit_call((int)TLBWI_new);
3572 if((source[i]&0x3f)==0x06) { // TLBWR
3573 // The TLB entry written by TLBWR is dependent on the count,
3574 // so update the cycle count
3575 emit_readword((int)&last_count,ECX);
3576 if(i_regs->regmap[HOST_CCREG]!=CCREG) emit_loadreg(CCREG,HOST_CCREG);
3577 emit_add(HOST_CCREG,ECX,HOST_CCREG);
3578 emit_addimm(HOST_CCREG,CLOCK_DIVIDER*ccadj[i],HOST_CCREG);
3579 emit_writeword(HOST_CCREG,(int)&Count);
3580 emit_call((int)TLBWR_new);
3581 }
3582 if((source[i]&0x3f)==0x08) // TLBP
3583 emit_call((int)TLBP);
3d624f89 3584#endif
576bbd8f 3585#ifdef PCSX
3586 if((source[i]&0x3f)==0x10) // RFE
3587 {
3588 emit_readword((int)&Status,0);
3589 emit_andimm(0,0x3c,1);
3590 emit_andimm(0,~0xf,0);
3591 emit_orrshr_imm(1,2,0);
3592 emit_writeword(0,(int)&Status);
3593 }
3594#else
57871462 3595 if((source[i]&0x3f)==0x18) // ERET
3596 {
3597 int count=ccadj[i];
3598 if(i_regs->regmap[HOST_CCREG]!=CCREG) emit_loadreg(CCREG,HOST_CCREG);
3599 emit_addimm(HOST_CCREG,CLOCK_DIVIDER*count,HOST_CCREG); // TODO: Should there be an extra cycle here?
3600 emit_jmp((int)jump_eret);
3601 }
576bbd8f 3602#endif
57871462 3603 }
3604}
3605
b9b61529 3606static void cop2_get_dreg(u_int copr,signed char tl,signed char temp)
3607{
3608 switch (copr) {
3609 case 1:
3610 case 3:
3611 case 5:
3612 case 8:
3613 case 9:
3614 case 10:
3615 case 11:
3616 emit_readword((int)&reg_cop2d[copr],tl);
3617 emit_signextend16(tl,tl);
3618 emit_writeword(tl,(int)&reg_cop2d[copr]); // hmh
3619 break;
3620 case 7:
3621 case 16:
3622 case 17:
3623 case 18:
3624 case 19:
3625 emit_readword((int)&reg_cop2d[copr],tl);
3626 emit_andimm(tl,0xffff,tl);
3627 emit_writeword(tl,(int)&reg_cop2d[copr]);
3628 break;
3629 case 15:
3630 emit_readword((int)&reg_cop2d[14],tl); // SXY2
3631 emit_writeword(tl,(int)&reg_cop2d[copr]);
3632 break;
3633 case 28:
b9b61529 3634 case 29:
3635 emit_readword((int)&reg_cop2d[9],temp);
3636 emit_testimm(temp,0x8000); // do we need this?
3637 emit_andimm(temp,0xf80,temp);
3638 emit_andne_imm(temp,0,temp);
f70d384d 3639 emit_shrimm(temp,7,tl);
b9b61529 3640 emit_readword((int)&reg_cop2d[10],temp);
3641 emit_testimm(temp,0x8000);
3642 emit_andimm(temp,0xf80,temp);
3643 emit_andne_imm(temp,0,temp);
f70d384d 3644 emit_orrshr_imm(temp,2,tl);
b9b61529 3645 emit_readword((int)&reg_cop2d[11],temp);
3646 emit_testimm(temp,0x8000);
3647 emit_andimm(temp,0xf80,temp);
3648 emit_andne_imm(temp,0,temp);
f70d384d 3649 emit_orrshl_imm(temp,3,tl);
b9b61529 3650 emit_writeword(tl,(int)&reg_cop2d[copr]);
3651 break;
3652 default:
3653 emit_readword((int)&reg_cop2d[copr],tl);
3654 break;
3655 }
3656}
3657
3658static void cop2_put_dreg(u_int copr,signed char sl,signed char temp)
3659{
3660 switch (copr) {
3661 case 15:
3662 emit_readword((int)&reg_cop2d[13],temp); // SXY1
3663 emit_writeword(sl,(int)&reg_cop2d[copr]);
3664 emit_writeword(temp,(int)&reg_cop2d[12]); // SXY0
3665 emit_readword((int)&reg_cop2d[14],temp); // SXY2
3666 emit_writeword(sl,(int)&reg_cop2d[14]);
3667 emit_writeword(temp,(int)&reg_cop2d[13]); // SXY1
3668 break;
3669 case 28:
3670 emit_andimm(sl,0x001f,temp);
f70d384d 3671 emit_shlimm(temp,7,temp);
b9b61529 3672 emit_writeword(temp,(int)&reg_cop2d[9]);
3673 emit_andimm(sl,0x03e0,temp);
f70d384d 3674 emit_shlimm(temp,2,temp);
b9b61529 3675 emit_writeword(temp,(int)&reg_cop2d[10]);
3676 emit_andimm(sl,0x7c00,temp);
f70d384d 3677 emit_shrimm(temp,3,temp);
b9b61529 3678 emit_writeword(temp,(int)&reg_cop2d[11]);
3679 emit_writeword(sl,(int)&reg_cop2d[28]);
3680 break;
3681 case 30:
3682 emit_movs(sl,temp);
3683 emit_mvnmi(temp,temp);
3684 emit_clz(temp,temp);
3685 emit_writeword(sl,(int)&reg_cop2d[30]);
3686 emit_writeword(temp,(int)&reg_cop2d[31]);
3687 break;
b9b61529 3688 case 31:
3689 break;
3690 default:
3691 emit_writeword(sl,(int)&reg_cop2d[copr]);
3692 break;
3693 }
3694}
3695
3696void cop2_assemble(int i,struct regstat *i_regs)
3697{
3698 u_int copr=(source[i]>>11)&0x1f;
3699 signed char temp=get_reg(i_regs->regmap,-1);
3700 if (opcode2[i]==0) { // MFC2
3701 signed char tl=get_reg(i_regs->regmap,rt1[i]);
f1b3b369 3702 if(tl>=0&&rt1[i]!=0)
b9b61529 3703 cop2_get_dreg(copr,tl,temp);
3704 }
3705 else if (opcode2[i]==4) { // MTC2
3706 signed char sl=get_reg(i_regs->regmap,rs1[i]);
3707 cop2_put_dreg(copr,sl,temp);
3708 }
3709 else if (opcode2[i]==2) // CFC2
3710 {
3711 signed char tl=get_reg(i_regs->regmap,rt1[i]);
f1b3b369 3712 if(tl>=0&&rt1[i]!=0)
b9b61529 3713 emit_readword((int)&reg_cop2c[copr],tl);
3714 }
3715 else if (opcode2[i]==6) // CTC2
3716 {
3717 signed char sl=get_reg(i_regs->regmap,rs1[i]);
3718 switch(copr) {
3719 case 4:
3720 case 12:
3721 case 20:
3722 case 26:
3723 case 27:
3724 case 29:
3725 case 30:
3726 emit_signextend16(sl,temp);
3727 break;
3728 case 31:
3729 //value = value & 0x7ffff000;
3730 //if (value & 0x7f87e000) value |= 0x80000000;
3731 emit_shrimm(sl,12,temp);
3732 emit_shlimm(temp,12,temp);
3733 emit_testimm(temp,0x7f000000);
3734 emit_testeqimm(temp,0x00870000);
3735 emit_testeqimm(temp,0x0000e000);
3736 emit_orrne_imm(temp,0x80000000,temp);
3737 break;
3738 default:
3739 temp=sl;
3740 break;
3741 }
3742 emit_writeword(temp,(int)&reg_cop2c[copr]);
3743 assert(sl>=0);
3744 }
3745}
3746
3747void c2op_assemble(int i,struct regstat *i_regs)
3748{
3749 signed char temp=get_reg(i_regs->regmap,-1);
3750 u_int c2op=source[i]&0x3f;
3751 u_int hr,reglist=0;
3752 for(hr=0;hr<HOST_REGS;hr++) {
3753 if(i_regs->regmap[hr]>=0) reglist|=1<<hr;
3754 }
3755 if(i==0||itype[i-1]!=C2OP)
3756 save_regs(reglist);
3757
3758 if (gte_handlers[c2op]!=NULL) {
3759 int cc=get_reg(i_regs->regmap,CCREG);
3760 emit_movimm(source[i],temp); // opcode
3761 if (cc>=0&&gte_cycletab[c2op])
3762 emit_addimm(cc,gte_cycletab[c2op]/2,cc); // XXX: cound just adjust ccadj?
3763 emit_writeword(temp,(int)&psxRegs.code);
3764 emit_call((int)gte_handlers[c2op]);
3765 }
3766
3767 if(i>=slen-1||itype[i+1]!=C2OP)
3768 restore_regs(reglist);
3769}
3770
3771void cop1_unusable(int i,struct regstat *i_regs)
3d624f89 3772{
3773 // XXX: should just just do the exception instead
3774 if(!cop1_usable) {
3775 int jaddr=(int)out;
3776 emit_jmp(0);
3777 add_stub(FP_STUB,jaddr,(int)out,i,0,(int)i_regs,is_delayslot,0);
3778 cop1_usable=1;
3779 }
3780}
3781
57871462 3782void cop1_assemble(int i,struct regstat *i_regs)
3783{
3d624f89 3784#ifndef DISABLE_COP1
57871462 3785 // Check cop1 unusable
3786 if(!cop1_usable) {
3787 signed char rs=get_reg(i_regs->regmap,CSREG);
3788 assert(rs>=0);
3789 emit_testimm(rs,0x20000000);
3790 int jaddr=(int)out;
3791 emit_jeq(0);
3792 add_stub(FP_STUB,jaddr,(int)out,i,rs,(int)i_regs,is_delayslot,0);
3793 cop1_usable=1;
3794 }
3795 if (opcode2[i]==0) { // MFC1
3796 signed char tl=get_reg(i_regs->regmap,rt1[i]);
3797 if(tl>=0) {
3798 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],tl);
3799 emit_readword_indexed(0,tl,tl);
3800 }
3801 }
3802 else if (opcode2[i]==1) { // DMFC1
3803 signed char tl=get_reg(i_regs->regmap,rt1[i]);
3804 signed char th=get_reg(i_regs->regmap,rt1[i]|64);
3805 if(tl>=0) {
3806 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],tl);
3807 if(th>=0) emit_readword_indexed(4,tl,th);
3808 emit_readword_indexed(0,tl,tl);
3809 }
3810 }
3811 else if (opcode2[i]==4) { // MTC1
3812 signed char sl=get_reg(i_regs->regmap,rs1[i]);
3813 signed char temp=get_reg(i_regs->regmap,-1);
3814 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],temp);
3815 emit_writeword_indexed(sl,0,temp);
3816 }
3817 else if (opcode2[i]==5) { // DMTC1
3818 signed char sl=get_reg(i_regs->regmap,rs1[i]);
3819 signed char sh=rs1[i]>0?get_reg(i_regs->regmap,rs1[i]|64):sl;
3820 signed char temp=get_reg(i_regs->regmap,-1);
3821 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],temp);
3822 emit_writeword_indexed(sh,4,temp);
3823 emit_writeword_indexed(sl,0,temp);
3824 }
3825 else if (opcode2[i]==2) // CFC1
3826 {
3827 signed char tl=get_reg(i_regs->regmap,rt1[i]);
3828 if(tl>=0) {
3829 u_int copr=(source[i]>>11)&0x1f;
3830 if(copr==0) emit_readword((int)&FCR0,tl);
3831 if(copr==31) emit_readword((int)&FCR31,tl);
3832 }
3833 }
3834 else if (opcode2[i]==6) // CTC1
3835 {
3836 signed char sl=get_reg(i_regs->regmap,rs1[i]);
3837 u_int copr=(source[i]>>11)&0x1f;
3838 assert(sl>=0);
3839 if(copr==31)
3840 {
3841 emit_writeword(sl,(int)&FCR31);
3842 // Set the rounding mode
3843 //FIXME
3844 //char temp=get_reg(i_regs->regmap,-1);
3845 //emit_andimm(sl,3,temp);
3846 //emit_fldcw_indexed((int)&rounding_modes,temp);
3847 }
3848 }
3d624f89 3849#else
3850 cop1_unusable(i, i_regs);
3851#endif
57871462 3852}
3853
3854void fconv_assemble_arm(int i,struct regstat *i_regs)
3855{
3d624f89 3856#ifndef DISABLE_COP1
57871462 3857 signed char temp=get_reg(i_regs->regmap,-1);
3858 assert(temp>=0);
3859 // Check cop1 unusable
3860 if(!cop1_usable) {
3861 signed char rs=get_reg(i_regs->regmap,CSREG);
3862 assert(rs>=0);
3863 emit_testimm(rs,0x20000000);
3864 int jaddr=(int)out;
3865 emit_jeq(0);
3866 add_stub(FP_STUB,jaddr,(int)out,i,rs,(int)i_regs,is_delayslot,0);
3867 cop1_usable=1;
3868 }
3869
3870 #if(defined(__VFP_FP__) && !defined(__SOFTFP__))
3871 if(opcode2[i]==0x10&&(source[i]&0x3f)==0x0d) { // trunc_w_s
3872 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],temp);
3873 emit_flds(temp,15);
3874 emit_ftosizs(15,15); // float->int, truncate
3875 if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f))
3876 emit_readword((int)&reg_cop1_simple[(source[i]>>6)&0x1f],temp);
3877 emit_fsts(15,temp);
3878 return;
3879 }
3880 if(opcode2[i]==0x11&&(source[i]&0x3f)==0x0d) { // trunc_w_d
3881 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],temp);
3882 emit_vldr(temp,7);
3883 emit_ftosizd(7,13); // double->int, truncate
3884 emit_readword((int)&reg_cop1_simple[(source[i]>>6)&0x1f],temp);
3885 emit_fsts(13,temp);
3886 return;
3887 }
3888
3889 if(opcode2[i]==0x14&&(source[i]&0x3f)==0x20) { // cvt_s_w
3890 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],temp);
3891 emit_flds(temp,13);
3892 if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f))
3893 emit_readword((int)&reg_cop1_simple[(source[i]>>6)&0x1f],temp);
3894 emit_fsitos(13,15);
3895 emit_fsts(15,temp);
3896 return;
3897 }
3898 if(opcode2[i]==0x14&&(source[i]&0x3f)==0x21) { // cvt_d_w
3899 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],temp);
3900 emit_flds(temp,13);
3901 emit_readword((int)&reg_cop1_double[(source[i]>>6)&0x1f],temp);
3902 emit_fsitod(13,7);
3903 emit_vstr(7,temp);
3904 return;
3905 }
3906
3907 if(opcode2[i]==0x10&&(source[i]&0x3f)==0x21) { // cvt_d_s
3908 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],temp);
3909 emit_flds(temp,13);
3910 emit_readword((int)&reg_cop1_double[(source[i]>>6)&0x1f],temp);
3911 emit_fcvtds(13,7);
3912 emit_vstr(7,temp);
3913 return;
3914 }
3915 if(opcode2[i]==0x11&&(source[i]&0x3f)==0x20) { // cvt_s_d
3916 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],temp);
3917 emit_vldr(temp,7);
3918 emit_readword((int)&reg_cop1_simple[(source[i]>>6)&0x1f],temp);
3919 emit_fcvtsd(7,13);
3920 emit_fsts(13,temp);
3921 return;
3922 }
3923 #endif
3924
3925 // C emulation code
3926
3927 u_int hr,reglist=0;
3928 for(hr=0;hr<HOST_REGS;hr++) {
3929 if(i_regs->regmap[hr]>=0) reglist|=1<<hr;
3930 }
3931 save_regs(reglist);
3932
3933 if(opcode2[i]==0x14&&(source[i]&0x3f)==0x20) {
3934 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG);
3935 emit_readword((int)&reg_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG);
3936 emit_call((int)cvt_s_w);
3937 }
3938 if(opcode2[i]==0x14&&(source[i]&0x3f)==0x21) {
3939 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG);
3940 emit_readword((int)&reg_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG);
3941 emit_call((int)cvt_d_w);
3942 }
3943 if(opcode2[i]==0x15&&(source[i]&0x3f)==0x20) {
3944 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],ARG1_REG);
3945 emit_readword((int)&reg_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG);
3946 emit_call((int)cvt_s_l);
3947 }
3948 if(opcode2[i]==0x15&&(source[i]&0x3f)==0x21) {
3949 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],ARG1_REG);
3950 emit_readword((int)&reg_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG);
3951 emit_call((int)cvt_d_l);
3952 }
3953
3954 if(opcode2[i]==0x10&&(source[i]&0x3f)==0x21) {
3955 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG);
3956 emit_readword((int)&reg_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG);
3957 emit_call((int)cvt_d_s);
3958 }
3959 if(opcode2[i]==0x10&&(source[i]&0x3f)==0x24) {
3960 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG);
3961 emit_readword((int)&reg_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG);
3962 emit_call((int)cvt_w_s);
3963 }
3964 if(opcode2[i]==0x10&&(source[i]&0x3f)==0x25) {
3965 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG);
3966 emit_readword((int)&reg_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG);
3967 emit_call((int)cvt_l_s);
3968 }
3969
3970 if(opcode2[i]==0x11&&(source[i]&0x3f)==0x20) {
3971 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],ARG1_REG);
3972 emit_readword((int)&reg_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG);
3973 emit_call((int)cvt_s_d);
3974 }
3975 if(opcode2[i]==0x11&&(source[i]&0x3f)==0x24) {
3976 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],ARG1_REG);
3977 emit_readword((int)&reg_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG);
3978 emit_call((int)cvt_w_d);
3979 }
3980 if(opcode2[i]==0x11&&(source[i]&0x3f)==0x25) {
3981 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],ARG1_REG);
3982 emit_readword((int)&reg_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG);
3983 emit_call((int)cvt_l_d);
3984 }
3985
3986 if(opcode2[i]==0x10&&(source[i]&0x3f)==0x08) {
3987 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG);
3988 emit_readword((int)&reg_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG);
3989 emit_call((int)round_l_s);
3990 }
3991 if(opcode2[i]==0x10&&(source[i]&0x3f)==0x09) {
3992 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG);
3993 emit_readword((int)&reg_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG);
3994 emit_call((int)trunc_l_s);
3995 }
3996 if(opcode2[i]==0x10&&(source[i]&0x3f)==0x0a) {
3997 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG);
3998 emit_readword((int)&reg_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG);
3999 emit_call((int)ceil_l_s);
4000 }
4001 if(opcode2[i]==0x10&&(source[i]&0x3f)==0x0b) {
4002 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG);
4003 emit_readword((int)&reg_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG);
4004 emit_call((int)floor_l_s);
4005 }
4006 if(opcode2[i]==0x10&&(source[i]&0x3f)==0x0c) {
4007 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG);
4008 emit_readword((int)&reg_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG);
4009 emit_call((int)round_w_s);
4010 }
4011 if(opcode2[i]==0x10&&(source[i]&0x3f)==0x0d) {
4012 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG);
4013 emit_readword((int)&reg_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG);
4014 emit_call((int)trunc_w_s);
4015 }
4016 if(opcode2[i]==0x10&&(source[i]&0x3f)==0x0e) {
4017 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG);
4018 emit_readword((int)&reg_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG);
4019 emit_call((int)ceil_w_s);
4020 }
4021 if(opcode2[i]==0x10&&(source[i]&0x3f)==0x0f) {
4022 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG);
4023 emit_readword((int)&reg_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG);
4024 emit_call((int)floor_w_s);
4025 }
4026
4027 if(opcode2[i]==0x11&&(source[i]&0x3f)==0x08) {
4028 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],ARG1_REG);
4029 emit_readword((int)&reg_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG);
4030 emit_call((int)round_l_d);
4031 }
4032 if(opcode2[i]==0x11&&(source[i]&0x3f)==0x09) {
4033 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],ARG1_REG);
4034 emit_readword((int)&reg_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG);
4035 emit_call((int)trunc_l_d);
4036 }
4037 if(opcode2[i]==0x11&&(source[i]&0x3f)==0x0a) {
4038 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],ARG1_REG);
4039 emit_readword((int)&reg_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG);
4040 emit_call((int)ceil_l_d);
4041 }
4042 if(opcode2[i]==0x11&&(source[i]&0x3f)==0x0b) {
4043 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],ARG1_REG);
4044 emit_readword((int)&reg_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG);
4045 emit_call((int)floor_l_d);
4046 }
4047 if(opcode2[i]==0x11&&(source[i]&0x3f)==0x0c) {
4048 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],ARG1_REG);
4049 emit_readword((int)&reg_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG);
4050 emit_call((int)round_w_d);
4051 }
4052 if(opcode2[i]==0x11&&(source[i]&0x3f)==0x0d) {
4053 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],ARG1_REG);
4054 emit_readword((int)&reg_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG);
4055 emit_call((int)trunc_w_d);
4056 }
4057 if(opcode2[i]==0x11&&(source[i]&0x3f)==0x0e) {
4058 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],ARG1_REG);
4059 emit_readword((int)&reg_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG);
4060 emit_call((int)ceil_w_d);
4061 }
4062 if(opcode2[i]==0x11&&(source[i]&0x3f)==0x0f) {
4063 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],ARG1_REG);
4064 emit_readword((int)&reg_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG);
4065 emit_call((int)floor_w_d);
4066 }
4067
4068 restore_regs(reglist);
3d624f89 4069#else
4070 cop1_unusable(i, i_regs);
4071#endif
57871462 4072}
4073#define fconv_assemble fconv_assemble_arm
4074
4075void fcomp_assemble(int i,struct regstat *i_regs)
4076{
3d624f89 4077#ifndef DISABLE_COP1
57871462 4078 signed char fs=get_reg(i_regs->regmap,FSREG);
4079 signed char temp=get_reg(i_regs->regmap,-1);
4080 assert(temp>=0);
4081 // Check cop1 unusable
4082 if(!cop1_usable) {
4083 signed char cs=get_reg(i_regs->regmap,CSREG);
4084 assert(cs>=0);
4085 emit_testimm(cs,0x20000000);
4086 int jaddr=(int)out;
4087 emit_jeq(0);
4088 add_stub(FP_STUB,jaddr,(int)out,i,cs,(int)i_regs,is_delayslot,0);
4089 cop1_usable=1;
4090 }
4091
4092 if((source[i]&0x3f)==0x30) {
4093 emit_andimm(fs,~0x800000,fs);
4094 return;
4095 }
4096
4097 if((source[i]&0x3e)==0x38) {
4098 // sf/ngle - these should throw exceptions for NaNs
4099 emit_andimm(fs,~0x800000,fs);
4100 return;
4101 }
4102
4103 #if(defined(__VFP_FP__) && !defined(__SOFTFP__))
4104 if(opcode2[i]==0x10) {
4105 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],temp);
4106 emit_readword((int)&reg_cop1_simple[(source[i]>>16)&0x1f],HOST_TEMPREG);
4107 emit_orimm(fs,0x800000,fs);
4108 emit_flds(temp,14);
4109 emit_flds(HOST_TEMPREG,15);
4110 emit_fcmps(14,15);
4111 emit_fmstat();
4112 if((source[i]&0x3f)==0x31) emit_bicvc_imm(fs,0x800000,fs); // c_un_s
4113 if((source[i]&0x3f)==0x32) emit_bicne_imm(fs,0x800000,fs); // c_eq_s
4114 if((source[i]&0x3f)==0x33) {emit_bicne_imm(fs,0x800000,fs);emit_orrvs_imm(fs,0x800000,fs);} // c_ueq_s
4115 if((source[i]&0x3f)==0x34) emit_biccs_imm(fs,0x800000,fs); // c_olt_s
4116 if((source[i]&0x3f)==0x35) {emit_biccs_imm(fs,0x800000,fs);emit_orrvs_imm(fs,0x800000,fs);} // c_ult_s
4117 if((source[i]&0x3f)==0x36) emit_bichi_imm(fs,0x800000,fs); // c_ole_s
4118 if((source[i]&0x3f)==0x37) {emit_bichi_imm(fs,0x800000,fs);emit_orrvs_imm(fs,0x800000,fs);} // c_ule_s
4119 if((source[i]&0x3f)==0x3a) emit_bicne_imm(fs,0x800000,fs); // c_seq_s
4120 if((source[i]&0x3f)==0x3b) emit_bicne_imm(fs,0x800000,fs); // c_ngl_s
4121 if((source[i]&0x3f)==0x3c) emit_biccs_imm(fs,0x800000,fs); // c_lt_s
4122 if((source[i]&0x3f)==0x3d) emit_biccs_imm(fs,0x800000,fs); // c_nge_s
4123 if((source[i]&0x3f)==0x3e) emit_bichi_imm(fs,0x800000,fs); // c_le_s
4124 if((source[i]&0x3f)==0x3f) emit_bichi_imm(fs,0x800000,fs); // c_ngt_s
4125 return;
4126 }
4127 if(opcode2[i]==0x11) {
4128 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],temp);
4129 emit_readword((int)&reg_cop1_double[(source[i]>>16)&0x1f],HOST_TEMPREG);
4130 emit_orimm(fs,0x800000,fs);
4131 emit_vldr(temp,6);
4132 emit_vldr(HOST_TEMPREG,7);
4133 emit_fcmpd(6,7);
4134 emit_fmstat();
4135 if((source[i]&0x3f)==0x31) emit_bicvc_imm(fs,0x800000,fs); // c_un_d
4136 if((source[i]&0x3f)==0x32) emit_bicne_imm(fs,0x800000,fs); // c_eq_d
4137 if((source[i]&0x3f)==0x33) {emit_bicne_imm(fs,0x800000,fs);emit_orrvs_imm(fs,0x800000,fs);} // c_ueq_d
4138 if((source[i]&0x3f)==0x34) emit_biccs_imm(fs,0x800000,fs); // c_olt_d
4139 if((source[i]&0x3f)==0x35) {emit_biccs_imm(fs,0x800000,fs);emit_orrvs_imm(fs,0x800000,fs);} // c_ult_d
4140 if((source[i]&0x3f)==0x36) emit_bichi_imm(fs,0x800000,fs); // c_ole_d
4141 if((source[i]&0x3f)==0x37) {emit_bichi_imm(fs,0x800000,fs);emit_orrvs_imm(fs,0x800000,fs);} // c_ule_d
4142 if((source[i]&0x3f)==0x3a) emit_bicne_imm(fs,0x800000,fs); // c_seq_d
4143 if((source[i]&0x3f)==0x3b) emit_bicne_imm(fs,0x800000,fs); // c_ngl_d
4144 if((source[i]&0x3f)==0x3c) emit_biccs_imm(fs,0x800000,fs); // c_lt_d
4145 if((source[i]&0x3f)==0x3d) emit_biccs_imm(fs,0x800000,fs); // c_nge_d
4146 if((source[i]&0x3f)==0x3e) emit_bichi_imm(fs,0x800000,fs); // c_le_d
4147 if((source[i]&0x3f)==0x3f) emit_bichi_imm(fs,0x800000,fs); // c_ngt_d
4148 return;
4149 }
4150 #endif
4151
4152 // C only
4153
4154 u_int hr,reglist=0;
4155 for(hr=0;hr<HOST_REGS;hr++) {
4156 if(i_regs->regmap[hr]>=0) reglist|=1<<hr;
4157 }
4158 reglist&=~(1<<fs);
4159 save_regs(reglist);
4160 if(opcode2[i]==0x10) {
4161 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG);
4162 emit_readword((int)&reg_cop1_simple[(source[i]>>16)&0x1f],ARG2_REG);
4163 if((source[i]&0x3f)==0x30) emit_call((int)c_f_s);
4164 if((source[i]&0x3f)==0x31) emit_call((int)c_un_s);
4165 if((source[i]&0x3f)==0x32) emit_call((int)c_eq_s);
4166 if((source[i]&0x3f)==0x33) emit_call((int)c_ueq_s);
4167 if((source[i]&0x3f)==0x34) emit_call((int)c_olt_s);
4168 if((source[i]&0x3f)==0x35) emit_call((int)c_ult_s);
4169 if((source[i]&0x3f)==0x36) emit_call((int)c_ole_s);
4170 if((source[i]&0x3f)==0x37) emit_call((int)c_ule_s);
4171 if((source[i]&0x3f)==0x38) emit_call((int)c_sf_s);
4172 if((source[i]&0x3f)==0x39) emit_call((int)c_ngle_s);
4173 if((source[i]&0x3f)==0x3a) emit_call((int)c_seq_s);
4174 if((source[i]&0x3f)==0x3b) emit_call((int)c_ngl_s);
4175 if((source[i]&0x3f)==0x3c) emit_call((int)c_lt_s);
4176 if((source[i]&0x3f)==0x3d) emit_call((int)c_nge_s);
4177 if((source[i]&0x3f)==0x3e) emit_call((int)c_le_s);
4178 if((source[i]&0x3f)==0x3f) emit_call((int)c_ngt_s);
4179 }
4180 if(opcode2[i]==0x11) {
4181 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],ARG1_REG);
4182 emit_readword((int)&reg_cop1_double[(source[i]>>16)&0x1f],ARG2_REG);
4183 if((source[i]&0x3f)==0x30) emit_call((int)c_f_d);
4184 if((source[i]&0x3f)==0x31) emit_call((int)c_un_d);
4185 if((source[i]&0x3f)==0x32) emit_call((int)c_eq_d);
4186 if((source[i]&0x3f)==0x33) emit_call((int)c_ueq_d);
4187 if((source[i]&0x3f)==0x34) emit_call((int)c_olt_d);
4188 if((source[i]&0x3f)==0x35) emit_call((int)c_ult_d);
4189 if((source[i]&0x3f)==0x36) emit_call((int)c_ole_d);
4190 if((source[i]&0x3f)==0x37) emit_call((int)c_ule_d);
4191 if((source[i]&0x3f)==0x38) emit_call((int)c_sf_d);
4192 if((source[i]&0x3f)==0x39) emit_call((int)c_ngle_d);
4193 if((source[i]&0x3f)==0x3a) emit_call((int)c_seq_d);
4194 if((source[i]&0x3f)==0x3b) emit_call((int)c_ngl_d);
4195 if((source[i]&0x3f)==0x3c) emit_call((int)c_lt_d);
4196 if((source[i]&0x3f)==0x3d) emit_call((int)c_nge_d);
4197 if((source[i]&0x3f)==0x3e) emit_call((int)c_le_d);
4198 if((source[i]&0x3f)==0x3f) emit_call((int)c_ngt_d);
4199 }
4200 restore_regs(reglist);
4201 emit_loadreg(FSREG,fs);
3d624f89 4202#else
4203 cop1_unusable(i, i_regs);
4204#endif
57871462 4205}
4206
4207void float_assemble(int i,struct regstat *i_regs)
4208{
3d624f89 4209#ifndef DISABLE_COP1
57871462 4210 signed char temp=get_reg(i_regs->regmap,-1);
4211 assert(temp>=0);
4212 // Check cop1 unusable
4213 if(!cop1_usable) {
4214 signed char cs=get_reg(i_regs->regmap,CSREG);
4215 assert(cs>=0);
4216 emit_testimm(cs,0x20000000);
4217 int jaddr=(int)out;
4218 emit_jeq(0);
4219 add_stub(FP_STUB,jaddr,(int)out,i,cs,(int)i_regs,is_delayslot,0);
4220 cop1_usable=1;
4221 }
4222
4223 #if(defined(__VFP_FP__) && !defined(__SOFTFP__))
4224 if((source[i]&0x3f)==6) // mov
4225 {
4226 if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f)) {
4227 if(opcode2[i]==0x10) {
4228 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],temp);
4229 emit_readword((int)&reg_cop1_simple[(source[i]>>6)&0x1f],HOST_TEMPREG);
4230 emit_readword_indexed(0,temp,temp);
4231 emit_writeword_indexed(temp,0,HOST_TEMPREG);
4232 }
4233 if(opcode2[i]==0x11) {
4234 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],temp);
4235 emit_readword((int)&reg_cop1_double[(source[i]>>6)&0x1f],HOST_TEMPREG);
4236 emit_vldr(temp,7);
4237 emit_vstr(7,HOST_TEMPREG);
4238 }
4239 }
4240 return;
4241 }
4242
4243 if((source[i]&0x3f)>3)
4244 {
4245 if(opcode2[i]==0x10) {
4246 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],temp);
4247 emit_flds(temp,15);
4248 if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f)) {
4249 emit_readword((int)&reg_cop1_simple[(source[i]>>6)&0x1f],temp);
4250 }
4251 if((source[i]&0x3f)==4) // sqrt
4252 emit_fsqrts(15,15);
4253 if((source[i]&0x3f)==5) // abs
4254 emit_fabss(15,15);
4255 if((source[i]&0x3f)==7) // neg
4256 emit_fnegs(15,15);
4257 emit_fsts(15,temp);
4258 }
4259 if(opcode2[i]==0x11) {
4260 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],temp);
4261 emit_vldr(temp,7);
4262 if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f)) {
4263 emit_readword((int)&reg_cop1_double[(source[i]>>6)&0x1f],temp);
4264 }
4265 if((source[i]&0x3f)==4) // sqrt
4266 emit_fsqrtd(7,7);
4267 if((source[i]&0x3f)==5) // abs
4268 emit_fabsd(7,7);
4269 if((source[i]&0x3f)==7) // neg
4270 emit_fnegd(7,7);
4271 emit_vstr(7,temp);
4272 }
4273 return;
4274 }
4275 if((source[i]&0x3f)<4)
4276 {
4277 if(opcode2[i]==0x10) {
4278 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],temp);
4279 }
4280 if(opcode2[i]==0x11) {
4281 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],temp);
4282 }
4283 if(((source[i]>>11)&0x1f)!=((source[i]>>16)&0x1f)) {
4284 if(opcode2[i]==0x10) {
4285 emit_readword((int)&reg_cop1_simple[(source[i]>>16)&0x1f],HOST_TEMPREG);
4286 emit_flds(temp,15);
4287 emit_flds(HOST_TEMPREG,13);
4288 if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f)) {
4289 if(((source[i]>>16)&0x1f)!=((source[i]>>6)&0x1f)) {
4290 emit_readword((int)&reg_cop1_simple[(source[i]>>6)&0x1f],temp);
4291 }
4292 }
4293 if((source[i]&0x3f)==0) emit_fadds(15,13,15);
4294 if((source[i]&0x3f)==1) emit_fsubs(15,13,15);
4295 if((source[i]&0x3f)==2) emit_fmuls(15,13,15);
4296 if((source[i]&0x3f)==3) emit_fdivs(15,13,15);
4297 if(((source[i]>>16)&0x1f)==((source[i]>>6)&0x1f)) {
4298 emit_fsts(15,HOST_TEMPREG);
4299 }else{
4300 emit_fsts(15,temp);
4301 }
4302 }
4303 else if(opcode2[i]==0x11) {
4304 emit_readword((int)&reg_cop1_double[(source[i]>>16)&0x1f],HOST_TEMPREG);
4305 emit_vldr(temp,7);
4306 emit_vldr(HOST_TEMPREG,6);
4307 if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f)) {
4308 if(((source[i]>>16)&0x1f)!=((source[i]>>6)&0x1f)) {
4309 emit_readword((int)&reg_cop1_double[(source[i]>>6)&0x1f],temp);
4310 }
4311 }
4312 if((source[i]&0x3f)==0) emit_faddd(7,6,7);
4313 if((source[i]&0x3f)==1) emit_fsubd(7,6,7);
4314 if((source[i]&0x3f)==2) emit_fmuld(7,6,7);
4315 if((source[i]&0x3f)==3) emit_fdivd(7,6,7);
4316 if(((source[i]>>16)&0x1f)==((source[i]>>6)&0x1f)) {
4317 emit_vstr(7,HOST_TEMPREG);
4318 }else{
4319 emit_vstr(7,temp);
4320 }
4321 }
4322 }
4323 else {
4324 if(opcode2[i]==0x10) {
4325 emit_flds(temp,15);
4326 if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f)) {
4327 emit_readword((int)&reg_cop1_simple[(source[i]>>6)&0x1f],temp);
4328 }
4329 if((source[i]&0x3f)==0) emit_fadds(15,15,15);
4330 if((source[i]&0x3f)==1) emit_fsubs(15,15,15);
4331 if((source[i]&0x3f)==2) emit_fmuls(15,15,15);
4332 if((source[i]&0x3f)==3) emit_fdivs(15,15,15);
4333 emit_fsts(15,temp);
4334 }
4335 else if(opcode2[i]==0x11) {
4336 emit_vldr(temp,7);
4337 if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f)) {
4338 emit_readword((int)&reg_cop1_double[(source[i]>>6)&0x1f],temp);
4339 }
4340 if((source[i]&0x3f)==0) emit_faddd(7,7,7);
4341 if((source[i]&0x3f)==1) emit_fsubd(7,7,7);
4342 if((source[i]&0x3f)==2) emit_fmuld(7,7,7);
4343 if((source[i]&0x3f)==3) emit_fdivd(7,7,7);
4344 emit_vstr(7,temp);
4345 }
4346 }
4347 return;
4348 }
4349 #endif
4350
4351 u_int hr,reglist=0;
4352 for(hr=0;hr<HOST_REGS;hr++) {
4353 if(i_regs->regmap[hr]>=0) reglist|=1<<hr;
4354 }
4355 if(opcode2[i]==0x10) { // Single precision
4356 save_regs(reglist);
4357 emit_readword((int)&reg_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG);
4358 if((source[i]&0x3f)<4) {
4359 emit_readword((int)&reg_cop1_simple[(source[i]>>16)&0x1f],ARG2_REG);
4360 emit_readword((int)&reg_cop1_simple[(source[i]>> 6)&0x1f],ARG3_REG);
4361 }else{
4362 emit_readword((int)&reg_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG);
4363 }
4364 switch(source[i]&0x3f)
4365 {
4366 case 0x00: emit_call((int)add_s);break;
4367 case 0x01: emit_call((int)sub_s);break;
4368 case 0x02: emit_call((int)mul_s);break;
4369 case 0x03: emit_call((int)div_s);break;
4370 case 0x04: emit_call((int)sqrt_s);break;
4371 case 0x05: emit_call((int)abs_s);break;
4372 case 0x06: emit_call((int)mov_s);break;
4373 case 0x07: emit_call((int)neg_s);break;
4374 }
4375 restore_regs(reglist);
4376 }
4377 if(opcode2[i]==0x11) { // Double precision
4378 save_regs(reglist);
4379 emit_readword((int)&reg_cop1_double[(source[i]>>11)&0x1f],ARG1_REG);
4380 if((source[i]&0x3f)<4) {
4381 emit_readword((int)&reg_cop1_double[(source[i]>>16)&0x1f],ARG2_REG);
4382 emit_readword((int)&reg_cop1_double[(source[i]>> 6)&0x1f],ARG3_REG);
4383 }else{
4384 emit_readword((int)&reg_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG);
4385 }
4386 switch(source[i]&0x3f)
4387 {
4388 case 0x00: emit_call((int)add_d);break;
4389 case 0x01: emit_call((int)sub_d);break;
4390 case 0x02: emit_call((int)mul_d);break;
4391 case 0x03: emit_call((int)div_d);break;
4392 case 0x04: emit_call((int)sqrt_d);break;
4393 case 0x05: emit_call((int)abs_d);break;
4394 case 0x06: emit_call((int)mov_d);break;
4395 case 0x07: emit_call((int)neg_d);break;
4396 }
4397 restore_regs(reglist);
4398 }
3d624f89 4399#else
4400 cop1_unusable(i, i_regs);
4401#endif
57871462 4402}
4403
4404void multdiv_assemble_arm(int i,struct regstat *i_regs)
4405{
4406 // case 0x18: MULT
4407 // case 0x19: MULTU
4408 // case 0x1A: DIV
4409 // case 0x1B: DIVU
4410 // case 0x1C: DMULT
4411 // case 0x1D: DMULTU
4412 // case 0x1E: DDIV
4413 // case 0x1F: DDIVU
4414 if(rs1[i]&&rs2[i])
4415 {
4416 if((opcode2[i]&4)==0) // 32-bit
4417 {
4418 if(opcode2[i]==0x18) // MULT
4419 {
4420 signed char m1=get_reg(i_regs->regmap,rs1[i]);
4421 signed char m2=get_reg(i_regs->regmap,rs2[i]);
4422 signed char hi=get_reg(i_regs->regmap,HIREG);
4423 signed char lo=get_reg(i_regs->regmap,LOREG);
4424 assert(m1>=0);
4425 assert(m2>=0);
4426 assert(hi>=0);
4427 assert(lo>=0);
4428 emit_smull(m1,m2,hi,lo);
4429 }
4430 if(opcode2[i]==0x19) // MULTU
4431 {
4432 signed char m1=get_reg(i_regs->regmap,rs1[i]);
4433 signed char m2=get_reg(i_regs->regmap,rs2[i]);
4434 signed char hi=get_reg(i_regs->regmap,HIREG);
4435 signed char lo=get_reg(i_regs->regmap,LOREG);
4436 assert(m1>=0);
4437 assert(m2>=0);
4438 assert(hi>=0);
4439 assert(lo>=0);
4440 emit_umull(m1,m2,hi,lo);
4441 }
4442 if(opcode2[i]==0x1A) // DIV
4443 {
4444 signed char d1=get_reg(i_regs->regmap,rs1[i]);
4445 signed char d2=get_reg(i_regs->regmap,rs2[i]);
4446 assert(d1>=0);
4447 assert(d2>=0);
4448 signed char quotient=get_reg(i_regs->regmap,LOREG);
4449 signed char remainder=get_reg(i_regs->regmap,HIREG);
4450 assert(quotient>=0);
4451 assert(remainder>=0);
4452 emit_movs(d1,remainder);
4453 emit_negmi(remainder,remainder);
4454 emit_movs(d2,HOST_TEMPREG);
4455 emit_jeq((int)out+52); // Division by zero
4456 emit_negmi(HOST_TEMPREG,HOST_TEMPREG);
4457 emit_clz(HOST_TEMPREG,quotient);
4458 emit_shl(HOST_TEMPREG,quotient,HOST_TEMPREG);
4459 emit_orimm(quotient,1<<31,quotient);
4460 emit_shr(quotient,quotient,quotient);
4461 emit_cmp(remainder,HOST_TEMPREG);
4462 emit_subcs(remainder,HOST_TEMPREG,remainder);
4463 emit_adcs(quotient,quotient,quotient);
4464 emit_shrimm(HOST_TEMPREG,1,HOST_TEMPREG);
4465 emit_jcc((int)out-16); // -4
4466 emit_teq(d1,d2);
4467 emit_negmi(quotient,quotient);
4468 emit_test(d1,d1);
4469 emit_negmi(remainder,remainder);
4470 }
4471 if(opcode2[i]==0x1B) // DIVU
4472 {
4473 signed char d1=get_reg(i_regs->regmap,rs1[i]); // dividend
4474 signed char d2=get_reg(i_regs->regmap,rs2[i]); // divisor
4475 assert(d1>=0);
4476 assert(d2>=0);
4477 signed char quotient=get_reg(i_regs->regmap,LOREG);
4478 signed char remainder=get_reg(i_regs->regmap,HIREG);
4479 assert(quotient>=0);
4480 assert(remainder>=0);
4481 emit_test(d2,d2);
4482 emit_jeq((int)out+44); // Division by zero
4483 emit_clz(d2,HOST_TEMPREG);
4484 emit_movimm(1<<31,quotient);
4485 emit_shl(d2,HOST_TEMPREG,d2);
4486 emit_mov(d1,remainder);
4487 emit_shr(quotient,HOST_TEMPREG,quotient);
4488 emit_cmp(remainder,d2);
4489 emit_subcs(remainder,d2,remainder);
4490 emit_adcs(quotient,quotient,quotient);
4491 emit_shrcc_imm(d2,1,d2);
4492 emit_jcc((int)out-16); // -4
4493 }
4494 }
4495 else // 64-bit
4496 {
4497 if(opcode2[i]==0x1C) // DMULT
4498 {
4499 assert(opcode2[i]!=0x1C);
4500 signed char m1h=get_reg(i_regs->regmap,rs1[i]|64);
4501 signed char m1l=get_reg(i_regs->regmap,rs1[i]);
4502 signed char m2h=get_reg(i_regs->regmap,rs2[i]|64);
4503 signed char m2l=get_reg(i_regs->regmap,rs2[i]);
4504 assert(m1h>=0);
4505 assert(m2h>=0);
4506 assert(m1l>=0);
4507 assert(m2l>=0);
4508 emit_pushreg(m2h);
4509 emit_pushreg(m2l);
4510 emit_pushreg(m1h);
4511 emit_pushreg(m1l);
4512 emit_call((int)&mult64);
4513 emit_popreg(m1l);
4514 emit_popreg(m1h);
4515 emit_popreg(m2l);
4516 emit_popreg(m2h);
4517 signed char hih=get_reg(i_regs->regmap,HIREG|64);
4518 signed char hil=get_reg(i_regs->regmap,HIREG);
4519 if(hih>=0) emit_loadreg(HIREG|64,hih);
4520 if(hil>=0) emit_loadreg(HIREG,hil);
4521 signed char loh=get_reg(i_regs->regmap,LOREG|64);
4522 signed char lol=get_reg(i_regs->regmap,LOREG);
4523 if(loh>=0) emit_loadreg(LOREG|64,loh);
4524 if(lol>=0) emit_loadreg(LOREG,lol);
4525 }
4526 if(opcode2[i]==0x1D) // DMULTU
4527 {
4528 signed char m1h=get_reg(i_regs->regmap,rs1[i]|64);
4529 signed char m1l=get_reg(i_regs->regmap,rs1[i]);
4530 signed char m2h=get_reg(i_regs->regmap,rs2[i]|64);
4531 signed char m2l=get_reg(i_regs->regmap,rs2[i]);
4532 assert(m1h>=0);
4533 assert(m2h>=0);
4534 assert(m1l>=0);
4535 assert(m2l>=0);
4536 save_regs(0x100f);
4537 if(m1l!=0) emit_mov(m1l,0);
4538 if(m1h==0) emit_readword((int)&dynarec_local,1);
4539 else if(m1h>1) emit_mov(m1h,1);
4540 if(m2l<2) emit_readword((int)&dynarec_local+m2l*4,2);
4541 else if(m2l>2) emit_mov(m2l,2);
4542 if(m2h<3) emit_readword((int)&dynarec_local+m2h*4,3);
4543 else if(m2h>3) emit_mov(m2h,3);
4544 emit_call((int)&multu64);
4545 restore_regs(0x100f);
4546 signed char hih=get_reg(i_regs->regmap,HIREG|64);
4547 signed char hil=get_reg(i_regs->regmap,HIREG);
4548 signed char loh=get_reg(i_regs->regmap,LOREG|64);
4549 signed char lol=get_reg(i_regs->regmap,LOREG);
4550 /*signed char temp=get_reg(i_regs->regmap,-1);
4551 signed char rh=get_reg(i_regs->regmap,HIREG|64);
4552 signed char rl=get_reg(i_regs->regmap,HIREG);
4553 assert(m1h>=0);
4554 assert(m2h>=0);
4555 assert(m1l>=0);
4556 assert(m2l>=0);
4557 assert(temp>=0);
4558 //emit_mov(m1l,EAX);
4559 //emit_mul(m2l);
4560 emit_umull(rl,rh,m1l,m2l);
4561 emit_storereg(LOREG,rl);
4562 emit_mov(rh,temp);
4563 //emit_mov(m1h,EAX);
4564 //emit_mul(m2l);
4565 emit_umull(rl,rh,m1h,m2l);
4566 emit_adds(rl,temp,temp);
4567 emit_adcimm(rh,0,rh);
4568 emit_storereg(HIREG,rh);
4569 //emit_mov(m2h,EAX);
4570 //emit_mul(m1l);
4571 emit_umull(rl,rh,m1l,m2h);
4572 emit_adds(rl,temp,temp);
4573 emit_adcimm(rh,0,rh);
4574 emit_storereg(LOREG|64,temp);
4575 emit_mov(rh,temp);
4576 //emit_mov(m2h,EAX);
4577 //emit_mul(m1h);
4578 emit_umull(rl,rh,m1h,m2h);
4579 emit_adds(rl,temp,rl);
4580 emit_loadreg(HIREG,temp);
4581 emit_adcimm(rh,0,rh);
4582 emit_adds(rl,temp,rl);
4583 emit_adcimm(rh,0,rh);
4584 // DEBUG
4585 /*
4586 emit_pushreg(m2h);
4587 emit_pushreg(m2l);
4588 emit_pushreg(m1h);
4589 emit_pushreg(m1l);
4590 emit_call((int)&multu64);
4591 emit_popreg(m1l);
4592 emit_popreg(m1h);
4593 emit_popreg(m2l);
4594 emit_popreg(m2h);
4595 signed char hih=get_reg(i_regs->regmap,HIREG|64);
4596 signed char hil=get_reg(i_regs->regmap,HIREG);
4597 if(hih>=0) emit_loadreg(HIREG|64,hih); // DEBUG
4598 if(hil>=0) emit_loadreg(HIREG,hil); // DEBUG
4599 */
4600 // Shouldn't be necessary
4601 //char loh=get_reg(i_regs->regmap,LOREG|64);
4602 //char lol=get_reg(i_regs->regmap,LOREG);
4603 //if(loh>=0) emit_loadreg(LOREG|64,loh);
4604 //if(lol>=0) emit_loadreg(LOREG,lol);
4605 }
4606 if(opcode2[i]==0x1E) // DDIV
4607 {
4608 signed char d1h=get_reg(i_regs->regmap,rs1[i]|64);
4609 signed char d1l=get_reg(i_regs->regmap,rs1[i]);
4610 signed char d2h=get_reg(i_regs->regmap,rs2[i]|64);
4611 signed char d2l=get_reg(i_regs->regmap,rs2[i]);
4612 assert(d1h>=0);
4613 assert(d2h>=0);
4614 assert(d1l>=0);
4615 assert(d2l>=0);
4616 save_regs(0x100f);
4617 if(d1l!=0) emit_mov(d1l,0);
4618 if(d1h==0) emit_readword((int)&dynarec_local,1);
4619 else if(d1h>1) emit_mov(d1h,1);
4620 if(d2l<2) emit_readword((int)&dynarec_local+d2l*4,2);
4621 else if(d2l>2) emit_mov(d2l,2);
4622 if(d2h<3) emit_readword((int)&dynarec_local+d2h*4,3);
4623 else if(d2h>3) emit_mov(d2h,3);
4624 emit_call((int)&div64);
4625 restore_regs(0x100f);
4626 signed char hih=get_reg(i_regs->regmap,HIREG|64);
4627 signed char hil=get_reg(i_regs->regmap,HIREG);
4628 signed char loh=get_reg(i_regs->regmap,LOREG|64);
4629 signed char lol=get_reg(i_regs->regmap,LOREG);
4630 if(hih>=0) emit_loadreg(HIREG|64,hih);
4631 if(hil>=0) emit_loadreg(HIREG,hil);
4632 if(loh>=0) emit_loadreg(LOREG|64,loh);
4633 if(lol>=0) emit_loadreg(LOREG,lol);
4634 }
4635 if(opcode2[i]==0x1F) // DDIVU
4636 {
4637 //u_int hr,reglist=0;
4638 //for(hr=0;hr<HOST_REGS;hr++) {
4639 // if(i_regs->regmap[hr]>=0 && (i_regs->regmap[hr]&62)!=HIREG) reglist|=1<<hr;
4640 //}
4641 signed char d1h=get_reg(i_regs->regmap,rs1[i]|64);
4642 signed char d1l=get_reg(i_regs->regmap,rs1[i]);
4643 signed char d2h=get_reg(i_regs->regmap,rs2[i]|64);
4644 signed char d2l=get_reg(i_regs->regmap,rs2[i]);
4645 assert(d1h>=0);
4646 assert(d2h>=0);
4647 assert(d1l>=0);
4648 assert(d2l>=0);
4649 save_regs(0x100f);
4650 if(d1l!=0) emit_mov(d1l,0);
4651 if(d1h==0) emit_readword((int)&dynarec_local,1);
4652 else if(d1h>1) emit_mov(d1h,1);
4653 if(d2l<2) emit_readword((int)&dynarec_local+d2l*4,2);
4654 else if(d2l>2) emit_mov(d2l,2);
4655 if(d2h<3) emit_readword((int)&dynarec_local+d2h*4,3);
4656 else if(d2h>3) emit_mov(d2h,3);
4657 emit_call((int)&divu64);
4658 restore_regs(0x100f);
4659 signed char hih=get_reg(i_regs->regmap,HIREG|64);
4660 signed char hil=get_reg(i_regs->regmap,HIREG);
4661 signed char loh=get_reg(i_regs->regmap,LOREG|64);
4662 signed char lol=get_reg(i_regs->regmap,LOREG);
4663 if(hih>=0) emit_loadreg(HIREG|64,hih);
4664 if(hil>=0) emit_loadreg(HIREG,hil);
4665 if(loh>=0) emit_loadreg(LOREG|64,loh);
4666 if(lol>=0) emit_loadreg(LOREG,lol);
4667 }
4668 }
4669 }
4670 else
4671 {
4672 // Multiply by zero is zero.
4673 // MIPS does not have a divide by zero exception.
4674 // The result is undefined, we return zero.
4675 signed char hr=get_reg(i_regs->regmap,HIREG);
4676 signed char lr=get_reg(i_regs->regmap,LOREG);
4677 if(hr>=0) emit_zeroreg(hr);
4678 if(lr>=0) emit_zeroreg(lr);
4679 }
4680}
4681#define multdiv_assemble multdiv_assemble_arm
4682
4683void do_preload_rhash(int r) {
4684 // Don't need this for ARM. On x86, this puts the value 0xf8 into the
4685 // register. On ARM the hash can be done with a single instruction (below)
4686}
4687
4688void do_preload_rhtbl(int ht) {
4689 emit_addimm(FP,(int)&mini_ht-(int)&dynarec_local,ht);
4690}
4691
4692void do_rhash(int rs,int rh) {
4693 emit_andimm(rs,0xf8,rh);
4694}
4695
4696void do_miniht_load(int ht,int rh) {
4697 assem_debug("ldr %s,[%s,%s]!\n",regname[rh],regname[ht],regname[rh]);
4698 output_w32(0xe7b00000|rd_rn_rm(rh,ht,rh));
4699}
4700
4701void do_miniht_jump(int rs,int rh,int ht) {
4702 emit_cmp(rh,rs);
4703 emit_ldreq_indexed(ht,4,15);
4704 #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
4705 emit_mov(rs,7);
4706 emit_jmp(jump_vaddr_reg[7]);
4707 #else
4708 emit_jmp(jump_vaddr_reg[rs]);
4709 #endif
4710}
4711
4712void do_miniht_insert(u_int return_address,int rt,int temp) {
4713 #ifdef ARMv5_ONLY
4714 emit_movimm(return_address,rt); // PC into link register
4715 add_to_linker((int)out,return_address,1);
4716 emit_pcreladdr(temp);
4717 emit_writeword(rt,(int)&mini_ht[(return_address&0xFF)>>3][0]);
4718 emit_writeword(temp,(int)&mini_ht[(return_address&0xFF)>>3][1]);
4719 #else
4720 emit_movw(return_address&0x0000FFFF,rt);
4721 add_to_linker((int)out,return_address,1);
4722 emit_pcreladdr(temp);
4723 emit_writeword(temp,(int)&mini_ht[(return_address&0xFF)>>3][1]);
4724 emit_movt(return_address&0xFFFF0000,rt);
4725 emit_writeword(rt,(int)&mini_ht[(return_address&0xFF)>>3][0]);
4726 #endif
4727}
4728
4729// Sign-extend to 64 bits and write out upper half of a register
4730// This is useful where we have a 32-bit value in a register, and want to
4731// keep it in a 32-bit register, but can't guarantee that it won't be read
4732// as a 64-bit value later.
4733void wb_sx(signed char pre[],signed char entry[],uint64_t dirty,uint64_t is32_pre,uint64_t is32,uint64_t u,uint64_t uu)
4734{
24385cae 4735#ifndef FORCE32
57871462 4736 if(is32_pre==is32) return;
4737 int hr,reg;
4738 for(hr=0;hr<HOST_REGS;hr++) {
4739 if(hr!=EXCLUDE_REG) {
4740 //if(pre[hr]==entry[hr]) {
4741 if((reg=pre[hr])>=0) {
4742 if((dirty>>hr)&1) {
4743 if( ((is32_pre&~is32&~uu)>>reg)&1 ) {
4744 emit_sarimm(hr,31,HOST_TEMPREG);
4745 emit_storereg(reg|64,HOST_TEMPREG);
4746 }
4747 }
4748 }
4749 //}
4750 }
4751 }
24385cae 4752#endif
57871462 4753}
4754
4755void wb_valid(signed char pre[],signed char entry[],u_int dirty_pre,u_int dirty,uint64_t is32_pre,uint64_t u,uint64_t uu)
4756{
4757 //if(dirty_pre==dirty) return;
4758 int hr,reg,new_hr;
4759 for(hr=0;hr<HOST_REGS;hr++) {
4760 if(hr!=EXCLUDE_REG) {
4761 reg=pre[hr];
4762 if(((~u)>>(reg&63))&1) {
4763 if(reg==entry[hr]||(reg>0&&entry[hr]<0)) {
4764 if(((dirty_pre&~dirty)>>hr)&1) {
4765 if(reg>0&&reg<34) {
4766 emit_storereg(reg,hr);
4767 if( ((is32_pre&~uu)>>reg)&1 ) {
4768 emit_sarimm(hr,31,HOST_TEMPREG);
4769 emit_storereg(reg|64,HOST_TEMPREG);
4770 }
4771 }
4772 else if(reg>=64) {
4773 emit_storereg(reg,hr);
4774 }
4775 }
4776 }
4777 else // Check if register moved to a different register
4778 if((new_hr=get_reg(entry,reg))>=0) {
4779 if((dirty_pre>>hr)&(~dirty>>new_hr)&1) {
4780 if(reg>0&&reg<34) {
4781 emit_storereg(reg,hr);
4782 if( ((is32_pre&~uu)>>reg)&1 ) {
4783 emit_sarimm(hr,31,HOST_TEMPREG);
4784 emit_storereg(reg|64,HOST_TEMPREG);
4785 }
4786 }
4787 else if(reg>=64) {
4788 emit_storereg(reg,hr);
4789 }
4790 }
4791 }
4792 }
4793 }
4794 }
4795}
4796
4797
4798/* using strd could possibly help but you'd have to allocate registers in pairs
4799void wb_invalidate_arm(signed char pre[],signed char entry[],uint64_t dirty,uint64_t is32,uint64_t u,uint64_t uu)
4800{
4801 int hr;
4802 int wrote=-1;
4803 for(hr=HOST_REGS-1;hr>=0;hr--) {
4804 if(hr!=EXCLUDE_REG) {
4805 if(pre[hr]!=entry[hr]) {
4806 if(pre[hr]>=0) {
4807 if((dirty>>hr)&1) {
4808 if(get_reg(entry,pre[hr])<0) {
4809 if(pre[hr]<64) {
4810 if(!((u>>pre[hr])&1)) {
4811 if(hr<10&&(~hr&1)&&(pre[hr+1]<0||wrote==hr+1)) {
4812 if( ((is32>>pre[hr])&1) && !((uu>>pre[hr])&1) ) {
4813 emit_sarimm(hr,31,hr+1);
4814 emit_strdreg(pre[hr],hr);
4815 }
4816 else
4817 emit_storereg(pre[hr],hr);
4818 }else{
4819 emit_storereg(pre[hr],hr);
4820 if( ((is32>>pre[hr])&1) && !((uu>>pre[hr])&1) ) {
4821 emit_sarimm(hr,31,hr);
4822 emit_storereg(pre[hr]|64,hr);
4823 }
4824 }
4825 }
4826 }else{
4827 if(!((uu>>(pre[hr]&63))&1) && !((is32>>(pre[hr]&63))&1)) {
4828 emit_storereg(pre[hr],hr);
4829 }
4830 }
4831 wrote=hr;
4832 }
4833 }
4834 }
4835 }
4836 }
4837 }
4838 for(hr=0;hr<HOST_REGS;hr++) {
4839 if(hr!=EXCLUDE_REG) {
4840 if(pre[hr]!=entry[hr]) {
4841 if(pre[hr]>=0) {
4842 int nr;
4843 if((nr=get_reg(entry,pre[hr]))>=0) {
4844 emit_mov(hr,nr);
4845 }
4846 }
4847 }
4848 }
4849 }
4850}
4851#define wb_invalidate wb_invalidate_arm
4852*/
4853
dd3a91a1 4854// Clearing the cache is rather slow on ARM Linux, so mark the areas
4855// that need to be cleared, and then only clear these areas once.
4856void do_clear_cache()
4857{
4858 int i,j;
4859 for (i=0;i<(1<<(TARGET_SIZE_2-17));i++)
4860 {
4861 u_int bitmap=needs_clear_cache[i];
4862 if(bitmap) {
4863 u_int start,end;
4864 for(j=0;j<32;j++)
4865 {
4866 if(bitmap&(1<<j)) {
4867 start=BASE_ADDR+i*131072+j*4096;
4868 end=start+4095;
4869 j++;
4870 while(j<32) {
4871 if(bitmap&(1<<j)) {
4872 end+=4096;
4873 j++;
4874 }else{
4875 __clear_cache((void *)start,(void *)end);
4876 break;
4877 }
4878 }
4879 }
4880 }
4881 needs_clear_cache[i]=0;
4882 }
4883 }
4884}
4885
57871462 4886// CPU-architecture-specific initialization
4887void arch_init() {
3d624f89 4888#ifndef DISABLE_COP1
57871462 4889 rounding_modes[0]=0x0<<22; // round
4890 rounding_modes[1]=0x3<<22; // trunc
4891 rounding_modes[2]=0x1<<22; // ceil
4892 rounding_modes[3]=0x2<<22; // floor
3d624f89 4893#endif
57871462 4894}
b9b61529 4895
4896// vim:shiftwidth=2:expandtab