1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
2 * Mupen64plus/PCSX - assem_arm.c *
3 * Copyright (C) 2009-2011 Ari64 *
4 * Copyright (C) 2010-2011 GraÅžvydas "notaz" Ignotas *
6 * This program is free software; you can redistribute it and/or modify *
7 * it under the terms of the GNU General Public License as published by *
8 * the Free Software Foundation; either version 2 of the License, or *
9 * (at your option) any later version. *
11 * This program is distributed in the hope that it will be useful, *
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
14 * GNU General Public License for more details. *
16 * You should have received a copy of the GNU General Public License *
17 * along with this program; if not, write to the *
18 * Free Software Foundation, Inc., *
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
20 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
26 #include "../gte_arm.h"
27 #include "../gte_neon.h"
29 #include "arm_features.h"
32 char translation_cache[1 << TARGET_SIZE_2] __attribute__((aligned(4096)));
36 #define CALLER_SAVE_REGS 0x100f
38 #define CALLER_SAVE_REGS 0x120f
41 #define unused __attribute__((unused))
43 extern int cycle_count;
44 extern int last_count;
46 extern int pending_exception;
47 extern int branch_target;
48 extern uint64_t readmem_dword;
49 extern void *dynarec_local;
50 extern u_int mini_ht[32][2];
52 void indirect_jump_indexed();
65 void jump_vaddr_r10();
66 void jump_vaddr_r12();
68 const u_int jump_vaddr_reg[16] = {
86 void invalidate_addr_r0();
87 void invalidate_addr_r1();
88 void invalidate_addr_r2();
89 void invalidate_addr_r3();
90 void invalidate_addr_r4();
91 void invalidate_addr_r5();
92 void invalidate_addr_r6();
93 void invalidate_addr_r7();
94 void invalidate_addr_r8();
95 void invalidate_addr_r9();
96 void invalidate_addr_r10();
97 void invalidate_addr_r12();
99 const u_int invalidate_addr_reg[16] = {
100 (int)invalidate_addr_r0,
101 (int)invalidate_addr_r1,
102 (int)invalidate_addr_r2,
103 (int)invalidate_addr_r3,
104 (int)invalidate_addr_r4,
105 (int)invalidate_addr_r5,
106 (int)invalidate_addr_r6,
107 (int)invalidate_addr_r7,
108 (int)invalidate_addr_r8,
109 (int)invalidate_addr_r9,
110 (int)invalidate_addr_r10,
112 (int)invalidate_addr_r12,
117 static unsigned int needs_clear_cache[1<<(TARGET_SIZE_2-17)];
121 static void set_jump_target(int addr,u_int target)
123 u_char *ptr=(u_char *)addr;
124 u_int *ptr2=(u_int *)ptr;
126 assert((target-(u_int)ptr2-8)<1024);
128 assert((target&3)==0);
129 *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>2)|0xF00;
130 //printf("target=%x addr=%x insn=%x\n",target,addr,*ptr2);
132 else if(ptr[3]==0x72) {
133 // generated by emit_jno_unlikely
134 if((target-(u_int)ptr2-8)<1024) {
136 assert((target&3)==0);
137 *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>2)|0xF00;
139 else if((target-(u_int)ptr2-8)<4096&&!((target-(u_int)ptr2-8)&15)) {
141 assert((target&3)==0);
142 *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>4)|0xE00;
144 else *ptr2=(0x7A000000)|(((target-(u_int)ptr2-8)<<6)>>8);
147 assert((ptr[3]&0x0e)==0xa);
148 *ptr2=(*ptr2&0xFF000000)|(((target-(u_int)ptr2-8)<<6)>>8);
152 // This optionally copies the instruction from the target of the branch into
153 // the space before the branch. Works, but the difference in speed is
154 // usually insignificant.
156 static void set_jump_target_fillslot(int addr,u_int target,int copy)
158 u_char *ptr=(u_char *)addr;
159 u_int *ptr2=(u_int *)ptr;
160 assert(!copy||ptr2[-1]==0xe28dd000);
163 assert((target-(u_int)ptr2-8)<4096);
164 *ptr2=(*ptr2&0xFFFFF000)|(target-(u_int)ptr2-8);
167 assert((ptr[3]&0x0e)==0xa);
168 u_int target_insn=*(u_int *)target;
169 if((target_insn&0x0e100000)==0) { // ALU, no immediate, no flags
172 if((target_insn&0x0c100000)==0x04100000) { // Load
175 if(target_insn&0x08000000) {
179 ptr2[-1]=target_insn;
182 *ptr2=(*ptr2&0xFF000000)|(((target-(u_int)ptr2-8)<<6)>>8);
188 static void add_literal(int addr,int val)
190 assert(literalcount<sizeof(literals)/sizeof(literals[0]));
191 literals[literalcount][0]=addr;
192 literals[literalcount][1]=val;
196 static void *kill_pointer(void *stub)
198 int *ptr=(int *)(stub+4);
199 assert((*ptr&0x0ff00000)==0x05900000);
200 u_int offset=*ptr&0xfff;
201 int **l_ptr=(void *)ptr+offset+8;
203 set_jump_target((int)i_ptr,(int)stub);
207 // find where external branch is liked to using addr of it's stub:
208 // get address that insn one after stub loads (dyna_linker arg1),
209 // treat it as a pointer to branch insn,
210 // return addr where that branch jumps to
211 static int get_pointer(void *stub)
213 //printf("get_pointer(%x)\n",(int)stub);
214 int *ptr=(int *)(stub+4);
215 assert((*ptr&0x0fff0000)==0x059f0000);
216 u_int offset=*ptr&0xfff;
217 int **l_ptr=(void *)ptr+offset+8;
219 assert((*i_ptr&0x0f000000)==0x0a000000);
220 return (int)i_ptr+((*i_ptr<<8)>>6)+8;
223 // Find the "clean" entry point from a "dirty" entry point
224 // by skipping past the call to verify_code
225 static u_int get_clean_addr(int addr)
227 int *ptr=(int *)addr;
233 if((*ptr&0xFF000000)!=0xeb000000) ptr++;
234 assert((*ptr&0xFF000000)==0xeb000000); // bl instruction
236 if((*ptr&0xFF000000)==0xea000000) {
237 return (int)ptr+((*ptr<<8)>>6)+8; // follow jump
242 static int verify_dirty(u_int *ptr)
245 // get from literal pool
246 assert((*ptr&0xFFFF0000)==0xe59f0000);
247 u_int offset=*ptr&0xfff;
248 u_int *l_ptr=(void *)ptr+offset+8;
249 u_int source=l_ptr[0];
255 assert((*ptr&0xFFF00000)==0xe3000000);
256 u_int source=(ptr[0]&0xFFF)+((ptr[0]>>4)&0xF000)+((ptr[2]<<16)&0xFFF0000)+((ptr[2]<<12)&0xF0000000);
257 u_int copy=(ptr[1]&0xFFF)+((ptr[1]>>4)&0xF000)+((ptr[3]<<16)&0xFFF0000)+((ptr[3]<<12)&0xF0000000);
258 u_int len=(ptr[4]&0xFFF)+((ptr[4]>>4)&0xF000);
261 if((*ptr&0xFF000000)!=0xeb000000) ptr++;
262 assert((*ptr&0xFF000000)==0xeb000000); // bl instruction
263 //printf("verify_dirty: %x %x %x\n",source,copy,len);
264 return !memcmp((void *)source,(void *)copy,len);
267 // This doesn't necessarily find all clean entry points, just
268 // guarantees that it's not dirty
269 static int isclean(int addr)
272 u_int *ptr=((u_int *)addr)+4;
274 u_int *ptr=((u_int *)addr)+6;
276 if((*ptr&0xFF000000)!=0xeb000000) ptr++;
277 if((*ptr&0xFF000000)!=0xeb000000) return 1; // bl instruction
278 if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code) return 0;
279 if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code_vm) return 0;
280 if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code_ds) return 0;
284 // get source that block at addr was compiled from (host pointers)
285 static void get_bounds(int addr,u_int *start,u_int *end)
287 u_int *ptr=(u_int *)addr;
289 // get from literal pool
290 assert((*ptr&0xFFFF0000)==0xe59f0000);
291 u_int offset=*ptr&0xfff;
292 u_int *l_ptr=(void *)ptr+offset+8;
293 u_int source=l_ptr[0];
294 //u_int copy=l_ptr[1];
299 assert((*ptr&0xFFF00000)==0xe3000000);
300 u_int source=(ptr[0]&0xFFF)+((ptr[0]>>4)&0xF000)+((ptr[2]<<16)&0xFFF0000)+((ptr[2]<<12)&0xF0000000);
301 //u_int copy=(ptr[1]&0xFFF)+((ptr[1]>>4)&0xF000)+((ptr[3]<<16)&0xFFF0000)+((ptr[3]<<12)&0xF0000000);
302 u_int len=(ptr[4]&0xFFF)+((ptr[4]>>4)&0xF000);
305 if((*ptr&0xFF000000)!=0xeb000000) ptr++;
306 assert((*ptr&0xFF000000)==0xeb000000); // bl instruction
311 /* Register allocation */
313 // Note: registers are allocated clean (unmodified state)
314 // if you intend to modify the register, you must call dirty_reg().
315 static void alloc_reg(struct regstat *cur,int i,signed char reg)
318 int preferred_reg = (reg&7);
319 if(reg==CCREG) preferred_reg=HOST_CCREG;
320 if(reg==PTEMP||reg==FTEMP) preferred_reg=12;
322 // Don't allocate unused registers
323 if((cur->u>>reg)&1) return;
325 // see if it's already allocated
326 for(hr=0;hr<HOST_REGS;hr++)
328 if(cur->regmap[hr]==reg) return;
331 // Keep the same mapping if the register was already allocated in a loop
332 preferred_reg = loop_reg(i,reg,preferred_reg);
334 // Try to allocate the preferred register
335 if(cur->regmap[preferred_reg]==-1) {
336 cur->regmap[preferred_reg]=reg;
337 cur->dirty&=~(1<<preferred_reg);
338 cur->isconst&=~(1<<preferred_reg);
341 r=cur->regmap[preferred_reg];
342 if(r<64&&((cur->u>>r)&1)) {
343 cur->regmap[preferred_reg]=reg;
344 cur->dirty&=~(1<<preferred_reg);
345 cur->isconst&=~(1<<preferred_reg);
348 if(r>=64&&((cur->uu>>(r&63))&1)) {
349 cur->regmap[preferred_reg]=reg;
350 cur->dirty&=~(1<<preferred_reg);
351 cur->isconst&=~(1<<preferred_reg);
355 // Clear any unneeded registers
356 // We try to keep the mapping consistent, if possible, because it
357 // makes branches easier (especially loops). So we try to allocate
358 // first (see above) before removing old mappings. If this is not
359 // possible then go ahead and clear out the registers that are no
361 for(hr=0;hr<HOST_REGS;hr++)
366 if((cur->u>>r)&1) {cur->regmap[hr]=-1;break;}
370 if((cur->uu>>(r&63))&1) {cur->regmap[hr]=-1;break;}
374 // Try to allocate any available register, but prefer
375 // registers that have not been used recently.
377 for(hr=0;hr<HOST_REGS;hr++) {
378 if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) {
379 if(regs[i-1].regmap[hr]!=rs1[i-1]&®s[i-1].regmap[hr]!=rs2[i-1]&®s[i-1].regmap[hr]!=rt1[i-1]&®s[i-1].regmap[hr]!=rt2[i-1]) {
381 cur->dirty&=~(1<<hr);
382 cur->isconst&=~(1<<hr);
388 // Try to allocate any available register
389 for(hr=0;hr<HOST_REGS;hr++) {
390 if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) {
392 cur->dirty&=~(1<<hr);
393 cur->isconst&=~(1<<hr);
398 // Ok, now we have to evict someone
399 // Pick a register we hopefully won't need soon
400 u_char hsn[MAXREG+1];
401 memset(hsn,10,sizeof(hsn));
403 lsn(hsn,i,&preferred_reg);
404 //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]);
405 //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]);
407 // Don't evict the cycle count at entry points, otherwise the entry
408 // stub will have to write it.
409 if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2;
410 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;
413 // Alloc preferred register if available
414 if(hsn[r=cur->regmap[preferred_reg]&63]==j) {
415 for(hr=0;hr<HOST_REGS;hr++) {
416 // Evict both parts of a 64-bit register
417 if((cur->regmap[hr]&63)==r) {
419 cur->dirty&=~(1<<hr);
420 cur->isconst&=~(1<<hr);
423 cur->regmap[preferred_reg]=reg;
426 for(r=1;r<=MAXREG;r++)
428 if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) {
429 for(hr=0;hr<HOST_REGS;hr++) {
430 if(hr!=HOST_CCREG||j<hsn[CCREG]) {
431 if(cur->regmap[hr]==r+64) {
433 cur->dirty&=~(1<<hr);
434 cur->isconst&=~(1<<hr);
439 for(hr=0;hr<HOST_REGS;hr++) {
440 if(hr!=HOST_CCREG||j<hsn[CCREG]) {
441 if(cur->regmap[hr]==r) {
443 cur->dirty&=~(1<<hr);
444 cur->isconst&=~(1<<hr);
455 for(r=1;r<=MAXREG;r++)
458 for(hr=0;hr<HOST_REGS;hr++) {
459 if(cur->regmap[hr]==r+64) {
461 cur->dirty&=~(1<<hr);
462 cur->isconst&=~(1<<hr);
466 for(hr=0;hr<HOST_REGS;hr++) {
467 if(cur->regmap[hr]==r) {
469 cur->dirty&=~(1<<hr);
470 cur->isconst&=~(1<<hr);
477 SysPrintf("This shouldn't happen (alloc_reg)");exit(1);
480 static void alloc_reg64(struct regstat *cur,int i,signed char reg)
482 int preferred_reg = 8+(reg&1);
485 // allocate the lower 32 bits
486 alloc_reg(cur,i,reg);
488 // Don't allocate unused registers
489 if((cur->uu>>reg)&1) return;
491 // see if the upper half is already allocated
492 for(hr=0;hr<HOST_REGS;hr++)
494 if(cur->regmap[hr]==reg+64) return;
497 // Keep the same mapping if the register was already allocated in a loop
498 preferred_reg = loop_reg(i,reg,preferred_reg);
500 // Try to allocate the preferred register
501 if(cur->regmap[preferred_reg]==-1) {
502 cur->regmap[preferred_reg]=reg|64;
503 cur->dirty&=~(1<<preferred_reg);
504 cur->isconst&=~(1<<preferred_reg);
507 r=cur->regmap[preferred_reg];
508 if(r<64&&((cur->u>>r)&1)) {
509 cur->regmap[preferred_reg]=reg|64;
510 cur->dirty&=~(1<<preferred_reg);
511 cur->isconst&=~(1<<preferred_reg);
514 if(r>=64&&((cur->uu>>(r&63))&1)) {
515 cur->regmap[preferred_reg]=reg|64;
516 cur->dirty&=~(1<<preferred_reg);
517 cur->isconst&=~(1<<preferred_reg);
521 // Clear any unneeded registers
522 // We try to keep the mapping consistent, if possible, because it
523 // makes branches easier (especially loops). So we try to allocate
524 // first (see above) before removing old mappings. If this is not
525 // possible then go ahead and clear out the registers that are no
527 for(hr=HOST_REGS-1;hr>=0;hr--)
532 if((cur->u>>r)&1) {cur->regmap[hr]=-1;break;}
536 if((cur->uu>>(r&63))&1) {cur->regmap[hr]=-1;break;}
540 // Try to allocate any available register, but prefer
541 // registers that have not been used recently.
543 for(hr=0;hr<HOST_REGS;hr++) {
544 if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) {
545 if(regs[i-1].regmap[hr]!=rs1[i-1]&®s[i-1].regmap[hr]!=rs2[i-1]&®s[i-1].regmap[hr]!=rt1[i-1]&®s[i-1].regmap[hr]!=rt2[i-1]) {
546 cur->regmap[hr]=reg|64;
547 cur->dirty&=~(1<<hr);
548 cur->isconst&=~(1<<hr);
554 // Try to allocate any available register
555 for(hr=0;hr<HOST_REGS;hr++) {
556 if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) {
557 cur->regmap[hr]=reg|64;
558 cur->dirty&=~(1<<hr);
559 cur->isconst&=~(1<<hr);
564 // Ok, now we have to evict someone
565 // Pick a register we hopefully won't need soon
566 u_char hsn[MAXREG+1];
567 memset(hsn,10,sizeof(hsn));
569 lsn(hsn,i,&preferred_reg);
570 //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]);
571 //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]);
573 // Don't evict the cycle count at entry points, otherwise the entry
574 // stub will have to write it.
575 if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2;
576 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;
579 // Alloc preferred register if available
580 if(hsn[r=cur->regmap[preferred_reg]&63]==j) {
581 for(hr=0;hr<HOST_REGS;hr++) {
582 // Evict both parts of a 64-bit register
583 if((cur->regmap[hr]&63)==r) {
585 cur->dirty&=~(1<<hr);
586 cur->isconst&=~(1<<hr);
589 cur->regmap[preferred_reg]=reg|64;
592 for(r=1;r<=MAXREG;r++)
594 if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) {
595 for(hr=0;hr<HOST_REGS;hr++) {
596 if(hr!=HOST_CCREG||j<hsn[CCREG]) {
597 if(cur->regmap[hr]==r+64) {
598 cur->regmap[hr]=reg|64;
599 cur->dirty&=~(1<<hr);
600 cur->isconst&=~(1<<hr);
605 for(hr=0;hr<HOST_REGS;hr++) {
606 if(hr!=HOST_CCREG||j<hsn[CCREG]) {
607 if(cur->regmap[hr]==r) {
608 cur->regmap[hr]=reg|64;
609 cur->dirty&=~(1<<hr);
610 cur->isconst&=~(1<<hr);
621 for(r=1;r<=MAXREG;r++)
624 for(hr=0;hr<HOST_REGS;hr++) {
625 if(cur->regmap[hr]==r+64) {
626 cur->regmap[hr]=reg|64;
627 cur->dirty&=~(1<<hr);
628 cur->isconst&=~(1<<hr);
632 for(hr=0;hr<HOST_REGS;hr++) {
633 if(cur->regmap[hr]==r) {
634 cur->regmap[hr]=reg|64;
635 cur->dirty&=~(1<<hr);
636 cur->isconst&=~(1<<hr);
643 SysPrintf("This shouldn't happen");exit(1);
646 // Allocate a temporary register. This is done without regard to
647 // dirty status or whether the register we request is on the unneeded list
648 // Note: This will only allocate one register, even if called multiple times
649 static void alloc_reg_temp(struct regstat *cur,int i,signed char reg)
652 int preferred_reg = -1;
654 // see if it's already allocated
655 for(hr=0;hr<HOST_REGS;hr++)
657 if(hr!=EXCLUDE_REG&&cur->regmap[hr]==reg) return;
660 // Try to allocate any available register
661 for(hr=HOST_REGS-1;hr>=0;hr--) {
662 if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) {
664 cur->dirty&=~(1<<hr);
665 cur->isconst&=~(1<<hr);
670 // Find an unneeded register
671 for(hr=HOST_REGS-1;hr>=0;hr--)
677 if(i==0||((unneeded_reg[i-1]>>r)&1)) {
679 cur->dirty&=~(1<<hr);
680 cur->isconst&=~(1<<hr);
687 if((cur->uu>>(r&63))&1) {
688 if(i==0||((unneeded_reg_upper[i-1]>>(r&63))&1)) {
690 cur->dirty&=~(1<<hr);
691 cur->isconst&=~(1<<hr);
699 // Ok, now we have to evict someone
700 // Pick a register we hopefully won't need soon
701 // TODO: we might want to follow unconditional jumps here
702 // TODO: get rid of dupe code and make this into a function
703 u_char hsn[MAXREG+1];
704 memset(hsn,10,sizeof(hsn));
706 lsn(hsn,i,&preferred_reg);
707 //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]);
709 // Don't evict the cycle count at entry points, otherwise the entry
710 // stub will have to write it.
711 if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2;
712 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;
715 for(r=1;r<=MAXREG;r++)
717 if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) {
718 for(hr=0;hr<HOST_REGS;hr++) {
719 if(hr!=HOST_CCREG||hsn[CCREG]>2) {
720 if(cur->regmap[hr]==r+64) {
722 cur->dirty&=~(1<<hr);
723 cur->isconst&=~(1<<hr);
728 for(hr=0;hr<HOST_REGS;hr++) {
729 if(hr!=HOST_CCREG||hsn[CCREG]>2) {
730 if(cur->regmap[hr]==r) {
732 cur->dirty&=~(1<<hr);
733 cur->isconst&=~(1<<hr);
744 for(r=1;r<=MAXREG;r++)
747 for(hr=0;hr<HOST_REGS;hr++) {
748 if(cur->regmap[hr]==r+64) {
750 cur->dirty&=~(1<<hr);
751 cur->isconst&=~(1<<hr);
755 for(hr=0;hr<HOST_REGS;hr++) {
756 if(cur->regmap[hr]==r) {
758 cur->dirty&=~(1<<hr);
759 cur->isconst&=~(1<<hr);
766 SysPrintf("This shouldn't happen");exit(1);
769 // Allocate a specific ARM register.
770 static void alloc_arm_reg(struct regstat *cur,int i,signed char reg,int hr)
775 // see if it's already allocated (and dealloc it)
776 for(n=0;n<HOST_REGS;n++)
778 if(n!=EXCLUDE_REG&&cur->regmap[n]==reg) {
779 dirty=(cur->dirty>>n)&1;
785 cur->dirty&=~(1<<hr);
786 cur->dirty|=dirty<<hr;
787 cur->isconst&=~(1<<hr);
790 // Alloc cycle count into dedicated register
791 static void alloc_cc(struct regstat *cur,int i)
793 alloc_arm_reg(cur,i,CCREG,HOST_CCREG);
801 static unused char regname[16][4] = {
819 static void output_w32(u_int word)
821 *((u_int *)out)=word;
825 static u_int rd_rn_rm(u_int rd, u_int rn, u_int rm)
830 return((rn<<16)|(rd<<12)|rm);
833 static u_int rd_rn_imm_shift(u_int rd, u_int rn, u_int imm, u_int shift)
838 assert((shift&1)==0);
839 return((rn<<16)|(rd<<12)|(((32-shift)&30)<<7)|imm);
842 static u_int genimm(u_int imm,u_int *encoded)
850 *encoded=((i&30)<<7)|imm;
853 imm=(imm>>2)|(imm<<30);i-=2;
858 static void genimm_checked(u_int imm,u_int *encoded)
860 u_int ret=genimm(imm,encoded);
865 static u_int genjmp(u_int addr)
867 int offset=addr-(int)out-8;
868 if(offset<-33554432||offset>=33554432) {
870 SysPrintf("genjmp: out of range: %08x\n", offset);
875 return ((u_int)offset>>2)&0xffffff;
878 static void emit_mov(int rs,int rt)
880 assem_debug("mov %s,%s\n",regname[rt],regname[rs]);
881 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs));
884 static void emit_movs(int rs,int rt)
886 assem_debug("movs %s,%s\n",regname[rt],regname[rs]);
887 output_w32(0xe1b00000|rd_rn_rm(rt,0,rs));
890 static void emit_add(int rs1,int rs2,int rt)
892 assem_debug("add %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
893 output_w32(0xe0800000|rd_rn_rm(rt,rs1,rs2));
896 static void emit_adds(int rs1,int rs2,int rt)
898 assem_debug("adds %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
899 output_w32(0xe0900000|rd_rn_rm(rt,rs1,rs2));
902 static void emit_adcs(int rs1,int rs2,int rt)
904 assem_debug("adcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
905 output_w32(0xe0b00000|rd_rn_rm(rt,rs1,rs2));
908 static void emit_sbc(int rs1,int rs2,int rt)
910 assem_debug("sbc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
911 output_w32(0xe0c00000|rd_rn_rm(rt,rs1,rs2));
914 static void emit_sbcs(int rs1,int rs2,int rt)
916 assem_debug("sbcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
917 output_w32(0xe0d00000|rd_rn_rm(rt,rs1,rs2));
920 static void emit_neg(int rs, int rt)
922 assem_debug("rsb %s,%s,#0\n",regname[rt],regname[rs]);
923 output_w32(0xe2600000|rd_rn_rm(rt,rs,0));
926 static void emit_negs(int rs, int rt)
928 assem_debug("rsbs %s,%s,#0\n",regname[rt],regname[rs]);
929 output_w32(0xe2700000|rd_rn_rm(rt,rs,0));
932 static void emit_sub(int rs1,int rs2,int rt)
934 assem_debug("sub %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
935 output_w32(0xe0400000|rd_rn_rm(rt,rs1,rs2));
938 static void emit_subs(int rs1,int rs2,int rt)
940 assem_debug("subs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
941 output_w32(0xe0500000|rd_rn_rm(rt,rs1,rs2));
944 static void emit_zeroreg(int rt)
946 assem_debug("mov %s,#0\n",regname[rt]);
947 output_w32(0xe3a00000|rd_rn_rm(rt,0,0));
950 static void emit_loadlp(u_int imm,u_int rt)
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));
957 static void emit_movw(u_int imm,u_int rt)
960 assem_debug("movw %s,#%d (0x%x)\n",regname[rt],imm,imm);
961 output_w32(0xe3000000|rd_rn_rm(rt,0,0)|(imm&0xfff)|((imm<<4)&0xf0000));
964 static void emit_movt(u_int imm,u_int rt)
966 assem_debug("movt %s,#%d (0x%x)\n",regname[rt],imm&0xffff0000,imm&0xffff0000);
967 output_w32(0xe3400000|rd_rn_rm(rt,0,0)|((imm>>16)&0xfff)|((imm>>12)&0xf0000));
970 static void emit_movimm(u_int imm,u_int rt)
973 if(genimm(imm,&armval)) {
974 assem_debug("mov %s,#%d\n",regname[rt],imm);
975 output_w32(0xe3a00000|rd_rn_rm(rt,0,0)|armval);
976 }else if(genimm(~imm,&armval)) {
977 assem_debug("mvn %s,#%d\n",regname[rt],imm);
978 output_w32(0xe3e00000|rd_rn_rm(rt,0,0)|armval);
979 }else if(imm<65536) {
981 assem_debug("mov %s,#%d\n",regname[rt],imm&0xFF00);
982 output_w32(0xe3a00000|rd_rn_imm_shift(rt,0,imm>>8,8));
983 assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF);
984 output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm&0xff,0));
992 emit_movw(imm&0x0000FFFF,rt);
993 emit_movt(imm&0xFFFF0000,rt);
998 static void emit_pcreladdr(u_int rt)
1000 assem_debug("add %s,pc,#?\n",regname[rt]);
1001 output_w32(0xe2800000|rd_rn_rm(rt,15,0));
1004 static void emit_loadreg(int r, int hr)
1007 SysPrintf("64bit load in 32bit mode!\n");
1014 int addr=((int)reg)+((r&63)<<REG_SHIFT)+((r&64)>>4);
1015 if((r&63)==HIREG) addr=(int)&hi+((r&64)>>4);
1016 if((r&63)==LOREG) addr=(int)&lo+((r&64)>>4);
1017 if(r==CCREG) addr=(int)&cycle_count;
1018 if(r==CSREG) addr=(int)&Status;
1019 if(r==FSREG) addr=(int)&FCR31;
1020 if(r==INVCP) addr=(int)&invc_ptr;
1021 u_int offset = addr-(u_int)&dynarec_local;
1022 assert(offset<4096);
1023 assem_debug("ldr %s,fp+%d\n",regname[hr],offset);
1024 output_w32(0xe5900000|rd_rn_rm(hr,FP,0)|offset);
1028 static void emit_storereg(int r, int hr)
1031 SysPrintf("64bit store in 32bit mode!\n");
1035 int addr=((int)reg)+((r&63)<<REG_SHIFT)+((r&64)>>4);
1036 if((r&63)==HIREG) addr=(int)&hi+((r&64)>>4);
1037 if((r&63)==LOREG) addr=(int)&lo+((r&64)>>4);
1038 if(r==CCREG) addr=(int)&cycle_count;
1039 if(r==FSREG) addr=(int)&FCR31;
1040 u_int offset = addr-(u_int)&dynarec_local;
1041 assert(offset<4096);
1042 assem_debug("str %s,fp+%d\n",regname[hr],offset);
1043 output_w32(0xe5800000|rd_rn_rm(hr,FP,0)|offset);
1046 static void emit_test(int rs, int rt)
1048 assem_debug("tst %s,%s\n",regname[rs],regname[rt]);
1049 output_w32(0xe1100000|rd_rn_rm(0,rs,rt));
1052 static void emit_testimm(int rs,int imm)
1055 assem_debug("tst %s,#%d\n",regname[rs],imm);
1056 genimm_checked(imm,&armval);
1057 output_w32(0xe3100000|rd_rn_rm(0,rs,0)|armval);
1060 static void emit_testeqimm(int rs,int imm)
1063 assem_debug("tsteq %s,$%d\n",regname[rs],imm);
1064 genimm_checked(imm,&armval);
1065 output_w32(0x03100000|rd_rn_rm(0,rs,0)|armval);
1068 static void emit_not(int rs,int rt)
1070 assem_debug("mvn %s,%s\n",regname[rt],regname[rs]);
1071 output_w32(0xe1e00000|rd_rn_rm(rt,0,rs));
1074 static void emit_mvnmi(int rs,int rt)
1076 assem_debug("mvnmi %s,%s\n",regname[rt],regname[rs]);
1077 output_w32(0x41e00000|rd_rn_rm(rt,0,rs));
1080 static void emit_and(u_int rs1,u_int rs2,u_int rt)
1082 assem_debug("and %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1083 output_w32(0xe0000000|rd_rn_rm(rt,rs1,rs2));
1086 static void emit_or(u_int rs1,u_int rs2,u_int rt)
1088 assem_debug("orr %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1089 output_w32(0xe1800000|rd_rn_rm(rt,rs1,rs2));
1092 static void emit_or_and_set_flags(int rs1,int rs2,int rt)
1094 assem_debug("orrs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1095 output_w32(0xe1900000|rd_rn_rm(rt,rs1,rs2));
1098 static void emit_orrshl_imm(u_int rs,u_int imm,u_int rt)
1103 assem_debug("orr %s,%s,%s,lsl #%d\n",regname[rt],regname[rt],regname[rs],imm);
1104 output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|(imm<<7));
1107 static void emit_orrshr_imm(u_int rs,u_int imm,u_int rt)
1112 assem_debug("orr %s,%s,%s,lsr #%d\n",regname[rt],regname[rt],regname[rs],imm);
1113 output_w32(0xe1800020|rd_rn_rm(rt,rt,rs)|(imm<<7));
1116 static void emit_xor(u_int rs1,u_int rs2,u_int rt)
1118 assem_debug("eor %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1119 output_w32(0xe0200000|rd_rn_rm(rt,rs1,rs2));
1122 static void emit_addimm(u_int rs,int imm,u_int rt)
1128 if(genimm(imm,&armval)) {
1129 assem_debug("add %s,%s,#%d\n",regname[rt],regname[rs],imm);
1130 output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval);
1131 }else if(genimm(-imm,&armval)) {
1132 assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],-imm);
1133 output_w32(0xe2400000|rd_rn_rm(rt,rs,0)|armval);
1135 }else if(rt!=rs&&(u_int)imm<65536) {
1136 emit_movw(imm&0x0000ffff,rt);
1138 }else if(rt!=rs&&(u_int)-imm<65536) {
1139 emit_movw(-imm&0x0000ffff,rt);
1142 }else if((u_int)-imm<65536) {
1143 assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],(-imm)&0xFF00);
1144 assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF);
1145 output_w32(0xe2400000|rd_rn_imm_shift(rt,rs,(-imm)>>8,8));
1146 output_w32(0xe2400000|rd_rn_imm_shift(rt,rt,(-imm)&0xff,0));
1149 int shift = (ffs(imm) - 1) & ~1;
1150 int imm8 = imm & (0xff << shift);
1151 genimm_checked(imm8,&armval);
1152 assem_debug("add %s,%s,#0x%x\n",regname[rt],regname[rs],imm8);
1153 output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval);
1160 else if(rs!=rt) emit_mov(rs,rt);
1163 static void emit_addimm_and_set_flags(int imm,int rt)
1165 assert(imm>-65536&&imm<65536);
1167 if(genimm(imm,&armval)) {
1168 assem_debug("adds %s,%s,#%d\n",regname[rt],regname[rt],imm);
1169 output_w32(0xe2900000|rd_rn_rm(rt,rt,0)|armval);
1170 }else if(genimm(-imm,&armval)) {
1171 assem_debug("subs %s,%s,#%d\n",regname[rt],regname[rt],imm);
1172 output_w32(0xe2500000|rd_rn_rm(rt,rt,0)|armval);
1174 assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF00);
1175 assem_debug("subs %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF);
1176 output_w32(0xe2400000|rd_rn_imm_shift(rt,rt,(-imm)>>8,8));
1177 output_w32(0xe2500000|rd_rn_imm_shift(rt,rt,(-imm)&0xff,0));
1179 assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF00);
1180 assem_debug("adds %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF);
1181 output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm>>8,8));
1182 output_w32(0xe2900000|rd_rn_imm_shift(rt,rt,imm&0xff,0));
1186 static void emit_addimm_no_flags(u_int imm,u_int rt)
1188 emit_addimm(rt,imm,rt);
1191 static void emit_addnop(u_int r)
1194 assem_debug("add %s,%s,#0 (nop)\n",regname[r],regname[r]);
1195 output_w32(0xe2800000|rd_rn_rm(r,r,0));
1198 static void emit_adcimm(u_int rs,int imm,u_int rt)
1201 genimm_checked(imm,&armval);
1202 assem_debug("adc %s,%s,#%d\n",regname[rt],regname[rs],imm);
1203 output_w32(0xe2a00000|rd_rn_rm(rt,rs,0)|armval);
1206 static void emit_rscimm(int rs,int imm,u_int rt)
1210 genimm_checked(imm,&armval);
1211 assem_debug("rsc %s,%s,#%d\n",regname[rt],regname[rs],imm);
1212 output_w32(0xe2e00000|rd_rn_rm(rt,rs,0)|armval);
1215 static void emit_addimm64_32(int rsh,int rsl,int imm,int rth,int rtl)
1217 // TODO: if(genimm(imm,&armval)) ...
1219 emit_movimm(imm,HOST_TEMPREG);
1220 emit_adds(HOST_TEMPREG,rsl,rtl);
1221 emit_adcimm(rsh,0,rth);
1224 static void emit_andimm(int rs,int imm,int rt)
1229 }else if(genimm(imm,&armval)) {
1230 assem_debug("and %s,%s,#%d\n",regname[rt],regname[rs],imm);
1231 output_w32(0xe2000000|rd_rn_rm(rt,rs,0)|armval);
1232 }else if(genimm(~imm,&armval)) {
1233 assem_debug("bic %s,%s,#%d\n",regname[rt],regname[rs],imm);
1234 output_w32(0xe3c00000|rd_rn_rm(rt,rs,0)|armval);
1235 }else if(imm==65535) {
1237 assem_debug("bic %s,%s,#FF000000\n",regname[rt],regname[rs]);
1238 output_w32(0xe3c00000|rd_rn_rm(rt,rs,0)|0x4FF);
1239 assem_debug("bic %s,%s,#00FF0000\n",regname[rt],regname[rt]);
1240 output_w32(0xe3c00000|rd_rn_rm(rt,rt,0)|0x8FF);
1242 assem_debug("uxth %s,%s\n",regname[rt],regname[rs]);
1243 output_w32(0xe6ff0070|rd_rn_rm(rt,0,rs));
1246 assert(imm>0&&imm<65535);
1248 assem_debug("mov r14,#%d\n",imm&0xFF00);
1249 output_w32(0xe3a00000|rd_rn_imm_shift(HOST_TEMPREG,0,imm>>8,8));
1250 assem_debug("add r14,r14,#%d\n",imm&0xFF);
1251 output_w32(0xe2800000|rd_rn_imm_shift(HOST_TEMPREG,HOST_TEMPREG,imm&0xff,0));
1253 emit_movw(imm,HOST_TEMPREG);
1255 assem_debug("and %s,%s,r14\n",regname[rt],regname[rs]);
1256 output_w32(0xe0000000|rd_rn_rm(rt,rs,HOST_TEMPREG));
1260 static void emit_orimm(int rs,int imm,int rt)
1264 if(rs!=rt) emit_mov(rs,rt);
1265 }else if(genimm(imm,&armval)) {
1266 assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm);
1267 output_w32(0xe3800000|rd_rn_rm(rt,rs,0)|armval);
1269 assert(imm>0&&imm<65536);
1270 assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00);
1271 assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF);
1272 output_w32(0xe3800000|rd_rn_imm_shift(rt,rs,imm>>8,8));
1273 output_w32(0xe3800000|rd_rn_imm_shift(rt,rt,imm&0xff,0));
1277 static void emit_xorimm(int rs,int imm,int rt)
1281 if(rs!=rt) emit_mov(rs,rt);
1282 }else if(genimm(imm,&armval)) {
1283 assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm);
1284 output_w32(0xe2200000|rd_rn_rm(rt,rs,0)|armval);
1286 assert(imm>0&&imm<65536);
1287 assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00);
1288 assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF);
1289 output_w32(0xe2200000|rd_rn_imm_shift(rt,rs,imm>>8,8));
1290 output_w32(0xe2200000|rd_rn_imm_shift(rt,rt,imm&0xff,0));
1294 static void emit_shlimm(int rs,u_int imm,int rt)
1299 assem_debug("lsl %s,%s,#%d\n",regname[rt],regname[rs],imm);
1300 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|(imm<<7));
1303 static void emit_lsls_imm(int rs,int imm,int rt)
1307 assem_debug("lsls %s,%s,#%d\n",regname[rt],regname[rs],imm);
1308 output_w32(0xe1b00000|rd_rn_rm(rt,0,rs)|(imm<<7));
1311 static unused void emit_lslpls_imm(int rs,int imm,int rt)
1315 assem_debug("lslpls %s,%s,#%d\n",regname[rt],regname[rs],imm);
1316 output_w32(0x51b00000|rd_rn_rm(rt,0,rs)|(imm<<7));
1319 static void emit_shrimm(int rs,u_int imm,int rt)
1323 assem_debug("lsr %s,%s,#%d\n",regname[rt],regname[rs],imm);
1324 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7));
1327 static void emit_sarimm(int rs,u_int imm,int rt)
1331 assem_debug("asr %s,%s,#%d\n",regname[rt],regname[rs],imm);
1332 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x40|(imm<<7));
1335 static void emit_rorimm(int rs,u_int imm,int rt)
1339 assem_debug("ror %s,%s,#%d\n",regname[rt],regname[rs],imm);
1340 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x60|(imm<<7));
1343 static void emit_shldimm(int rs,int rs2,u_int imm,int rt)
1345 assem_debug("shld %%%s,%%%s,%d\n",regname[rt],regname[rs2],imm);
1349 assem_debug("lsl %s,%s,#%d\n",regname[rt],regname[rs],imm);
1350 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|(imm<<7));
1351 assem_debug("orr %s,%s,%s,lsr #%d\n",regname[rt],regname[rt],regname[rs2],32-imm);
1352 output_w32(0xe1800020|rd_rn_rm(rt,rt,rs2)|((32-imm)<<7));
1355 static void emit_shrdimm(int rs,int rs2,u_int imm,int rt)
1357 assem_debug("shrd %%%s,%%%s,%d\n",regname[rt],regname[rs2],imm);
1361 assem_debug("lsr %s,%s,#%d\n",regname[rt],regname[rs],imm);
1362 output_w32(0xe1a00020|rd_rn_rm(rt,0,rs)|(imm<<7));
1363 assem_debug("orr %s,%s,%s,lsl #%d\n",regname[rt],regname[rt],regname[rs2],32-imm);
1364 output_w32(0xe1800000|rd_rn_rm(rt,rt,rs2)|((32-imm)<<7));
1367 static void emit_signextend16(int rs,int rt)
1370 emit_shlimm(rs,16,rt);
1371 emit_sarimm(rt,16,rt);
1373 assem_debug("sxth %s,%s\n",regname[rt],regname[rs]);
1374 output_w32(0xe6bf0070|rd_rn_rm(rt,0,rs));
1378 static void emit_signextend8(int rs,int rt)
1381 emit_shlimm(rs,24,rt);
1382 emit_sarimm(rt,24,rt);
1384 assem_debug("sxtb %s,%s\n",regname[rt],regname[rs]);
1385 output_w32(0xe6af0070|rd_rn_rm(rt,0,rs));
1389 static void emit_shl(u_int rs,u_int shift,u_int rt)
1395 assem_debug("lsl %s,%s,%s\n",regname[rt],regname[rs],regname[shift]);
1396 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x10|(shift<<8));
1399 static void emit_shr(u_int rs,u_int shift,u_int rt)
1404 assem_debug("lsr %s,%s,%s\n",regname[rt],regname[rs],regname[shift]);
1405 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x30|(shift<<8));
1408 static void emit_sar(u_int rs,u_int shift,u_int rt)
1413 assem_debug("asr %s,%s,%s\n",regname[rt],regname[rs],regname[shift]);
1414 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x50|(shift<<8));
1417 static void emit_orrshl(u_int rs,u_int shift,u_int rt)
1422 assem_debug("orr %s,%s,%s,lsl %s\n",regname[rt],regname[rt],regname[rs],regname[shift]);
1423 output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|0x10|(shift<<8));
1426 static void emit_orrshr(u_int rs,u_int shift,u_int rt)
1431 assem_debug("orr %s,%s,%s,lsr %s\n",regname[rt],regname[rt],regname[rs],regname[shift]);
1432 output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|0x30|(shift<<8));
1435 static void emit_cmpimm(int rs,int imm)
1438 if(genimm(imm,&armval)) {
1439 assem_debug("cmp %s,#%d\n",regname[rs],imm);
1440 output_w32(0xe3500000|rd_rn_rm(0,rs,0)|armval);
1441 }else if(genimm(-imm,&armval)) {
1442 assem_debug("cmn %s,#%d\n",regname[rs],imm);
1443 output_w32(0xe3700000|rd_rn_rm(0,rs,0)|armval);
1446 emit_movimm(imm,HOST_TEMPREG);
1447 assem_debug("cmp %s,r14\n",regname[rs]);
1448 output_w32(0xe1500000|rd_rn_rm(0,rs,HOST_TEMPREG));
1451 emit_movimm(-imm,HOST_TEMPREG);
1452 assem_debug("cmn %s,r14\n",regname[rs]);
1453 output_w32(0xe1700000|rd_rn_rm(0,rs,HOST_TEMPREG));
1457 static void emit_cmovne_imm(int imm,int rt)
1459 assem_debug("movne %s,#%d\n",regname[rt],imm);
1461 genimm_checked(imm,&armval);
1462 output_w32(0x13a00000|rd_rn_rm(rt,0,0)|armval);
1465 static void emit_cmovl_imm(int imm,int rt)
1467 assem_debug("movlt %s,#%d\n",regname[rt],imm);
1469 genimm_checked(imm,&armval);
1470 output_w32(0xb3a00000|rd_rn_rm(rt,0,0)|armval);
1473 static void emit_cmovb_imm(int imm,int rt)
1475 assem_debug("movcc %s,#%d\n",regname[rt],imm);
1477 genimm_checked(imm,&armval);
1478 output_w32(0x33a00000|rd_rn_rm(rt,0,0)|armval);
1481 static void emit_cmovs_imm(int imm,int rt)
1483 assem_debug("movmi %s,#%d\n",regname[rt],imm);
1485 genimm_checked(imm,&armval);
1486 output_w32(0x43a00000|rd_rn_rm(rt,0,0)|armval);
1489 static void emit_cmove_reg(int rs,int rt)
1491 assem_debug("moveq %s,%s\n",regname[rt],regname[rs]);
1492 output_w32(0x01a00000|rd_rn_rm(rt,0,rs));
1495 static void emit_cmovne_reg(int rs,int rt)
1497 assem_debug("movne %s,%s\n",regname[rt],regname[rs]);
1498 output_w32(0x11a00000|rd_rn_rm(rt,0,rs));
1501 static void emit_cmovl_reg(int rs,int rt)
1503 assem_debug("movlt %s,%s\n",regname[rt],regname[rs]);
1504 output_w32(0xb1a00000|rd_rn_rm(rt,0,rs));
1507 static void emit_cmovs_reg(int rs,int rt)
1509 assem_debug("movmi %s,%s\n",regname[rt],regname[rs]);
1510 output_w32(0x41a00000|rd_rn_rm(rt,0,rs));
1513 static void emit_slti32(int rs,int imm,int rt)
1515 if(rs!=rt) emit_zeroreg(rt);
1516 emit_cmpimm(rs,imm);
1517 if(rs==rt) emit_movimm(0,rt);
1518 emit_cmovl_imm(1,rt);
1521 static void emit_sltiu32(int rs,int imm,int rt)
1523 if(rs!=rt) emit_zeroreg(rt);
1524 emit_cmpimm(rs,imm);
1525 if(rs==rt) emit_movimm(0,rt);
1526 emit_cmovb_imm(1,rt);
1529 static void emit_slti64_32(int rsh,int rsl,int imm,int rt)
1532 emit_slti32(rsl,imm,rt);
1536 emit_cmovne_imm(0,rt);
1537 emit_cmovs_imm(1,rt);
1541 emit_cmpimm(rsh,-1);
1542 emit_cmovne_imm(0,rt);
1543 emit_cmovl_imm(1,rt);
1547 static void emit_sltiu64_32(int rsh,int rsl,int imm,int rt)
1550 emit_sltiu32(rsl,imm,rt);
1554 emit_cmovne_imm(0,rt);
1558 emit_cmpimm(rsh,-1);
1559 emit_cmovne_imm(1,rt);
1563 static void emit_cmp(int rs,int rt)
1565 assem_debug("cmp %s,%s\n",regname[rs],regname[rt]);
1566 output_w32(0xe1500000|rd_rn_rm(0,rs,rt));
1569 static void emit_set_gz32(int rs, int rt)
1571 //assem_debug("set_gz32\n");
1574 emit_cmovl_imm(0,rt);
1577 static void emit_set_nz32(int rs, int rt)
1579 //assem_debug("set_nz32\n");
1580 if(rs!=rt) emit_movs(rs,rt);
1581 else emit_test(rs,rs);
1582 emit_cmovne_imm(1,rt);
1585 static void emit_set_gz64_32(int rsh, int rsl, int rt)
1587 //assem_debug("set_gz64\n");
1588 emit_set_gz32(rsl,rt);
1590 emit_cmovne_imm(1,rt);
1591 emit_cmovs_imm(0,rt);
1594 static void emit_set_nz64_32(int rsh, int rsl, int rt)
1596 //assem_debug("set_nz64\n");
1597 emit_or_and_set_flags(rsh,rsl,rt);
1598 emit_cmovne_imm(1,rt);
1601 static void emit_set_if_less32(int rs1, int rs2, int rt)
1603 //assem_debug("set if less (%%%s,%%%s),%%%s\n",regname[rs1],regname[rs2],regname[rt]);
1604 if(rs1!=rt&&rs2!=rt) emit_zeroreg(rt);
1606 if(rs1==rt||rs2==rt) emit_movimm(0,rt);
1607 emit_cmovl_imm(1,rt);
1610 static void emit_set_if_carry32(int rs1, int rs2, int rt)
1612 //assem_debug("set if carry (%%%s,%%%s),%%%s\n",regname[rs1],regname[rs2],regname[rt]);
1613 if(rs1!=rt&&rs2!=rt) emit_zeroreg(rt);
1615 if(rs1==rt||rs2==rt) emit_movimm(0,rt);
1616 emit_cmovb_imm(1,rt);
1619 static void emit_set_if_less64_32(int u1, int l1, int u2, int l2, int rt)
1621 //assem_debug("set if less64 (%%%s,%%%s,%%%s,%%%s),%%%s\n",regname[u1],regname[l1],regname[u2],regname[l2],regname[rt]);
1626 emit_sbcs(u1,u2,HOST_TEMPREG);
1627 emit_cmovl_imm(1,rt);
1630 static void emit_set_if_carry64_32(int u1, int l1, int u2, int l2, int rt)
1632 //assem_debug("set if carry64 (%%%s,%%%s,%%%s,%%%s),%%%s\n",regname[u1],regname[l1],regname[u2],regname[l2],regname[rt]);
1637 emit_sbcs(u1,u2,HOST_TEMPREG);
1638 emit_cmovb_imm(1,rt);
1641 static void emit_call(int a)
1643 assem_debug("bl %x (%x+%x)\n",a,(int)out,a-(int)out-8);
1644 u_int offset=genjmp(a);
1645 output_w32(0xeb000000|offset);
1648 static void emit_jmp(int a)
1650 assem_debug("b %x (%x+%x)\n",a,(int)out,a-(int)out-8);
1651 u_int offset=genjmp(a);
1652 output_w32(0xea000000|offset);
1655 static void emit_jne(int a)
1657 assem_debug("bne %x\n",a);
1658 u_int offset=genjmp(a);
1659 output_w32(0x1a000000|offset);
1662 static void emit_jeq(int a)
1664 assem_debug("beq %x\n",a);
1665 u_int offset=genjmp(a);
1666 output_w32(0x0a000000|offset);
1669 static void emit_js(int a)
1671 assem_debug("bmi %x\n",a);
1672 u_int offset=genjmp(a);
1673 output_w32(0x4a000000|offset);
1676 static void emit_jns(int a)
1678 assem_debug("bpl %x\n",a);
1679 u_int offset=genjmp(a);
1680 output_w32(0x5a000000|offset);
1683 static void emit_jl(int a)
1685 assem_debug("blt %x\n",a);
1686 u_int offset=genjmp(a);
1687 output_w32(0xba000000|offset);
1690 static void emit_jge(int a)
1692 assem_debug("bge %x\n",a);
1693 u_int offset=genjmp(a);
1694 output_w32(0xaa000000|offset);
1697 static void emit_jno(int a)
1699 assem_debug("bvc %x\n",a);
1700 u_int offset=genjmp(a);
1701 output_w32(0x7a000000|offset);
1704 static void emit_jc(int a)
1706 assem_debug("bcs %x\n",a);
1707 u_int offset=genjmp(a);
1708 output_w32(0x2a000000|offset);
1711 static void emit_jcc(int a)
1713 assem_debug("bcc %x\n",a);
1714 u_int offset=genjmp(a);
1715 output_w32(0x3a000000|offset);
1718 static void emit_callreg(u_int r)
1721 assem_debug("blx %s\n",regname[r]);
1722 output_w32(0xe12fff30|r);
1725 static void emit_jmpreg(u_int r)
1727 assem_debug("mov pc,%s\n",regname[r]);
1728 output_w32(0xe1a00000|rd_rn_rm(15,0,r));
1731 static void emit_readword_indexed(int offset, int rs, int rt)
1733 assert(offset>-4096&&offset<4096);
1734 assem_debug("ldr %s,%s+%d\n",regname[rt],regname[rs],offset);
1736 output_w32(0xe5900000|rd_rn_rm(rt,rs,0)|offset);
1738 output_w32(0xe5100000|rd_rn_rm(rt,rs,0)|(-offset));
1742 static void emit_readword_dualindexedx4(int rs1, int rs2, int rt)
1744 assem_debug("ldr %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]);
1745 output_w32(0xe7900000|rd_rn_rm(rt,rs1,rs2)|0x100);
1748 static void emit_ldrcc_dualindexed(int rs1, int rs2, int rt)
1750 assem_debug("ldrcc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1751 output_w32(0x37900000|rd_rn_rm(rt,rs1,rs2));
1754 static void emit_ldrccb_dualindexed(int rs1, int rs2, int rt)
1756 assem_debug("ldrccb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1757 output_w32(0x37d00000|rd_rn_rm(rt,rs1,rs2));
1760 static void emit_ldrccsb_dualindexed(int rs1, int rs2, int rt)
1762 assem_debug("ldrccsb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1763 output_w32(0x319000d0|rd_rn_rm(rt,rs1,rs2));
1766 static void emit_ldrcch_dualindexed(int rs1, int rs2, int rt)
1768 assem_debug("ldrcch %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1769 output_w32(0x319000b0|rd_rn_rm(rt,rs1,rs2));
1772 static void emit_ldrccsh_dualindexed(int rs1, int rs2, int rt)
1774 assem_debug("ldrccsh %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1775 output_w32(0x319000f0|rd_rn_rm(rt,rs1,rs2));
1778 static void emit_readword_indexed_tlb(int addr, int rs, int map, int rt)
1780 if(map<0) emit_readword_indexed(addr, rs, rt);
1783 emit_readword_dualindexedx4(rs, map, rt);
1787 static void emit_readdword_indexed_tlb(int addr, int rs, int map, int rh, int rl)
1790 if(rh>=0) emit_readword_indexed(addr, rs, rh);
1791 emit_readword_indexed(addr+4, rs, rl);
1794 if(rh>=0) emit_readword_indexed_tlb(addr, rs, map, rh);
1795 emit_addimm(map,1,map);
1796 emit_readword_indexed_tlb(addr, rs, map, rl);
1800 static void emit_movsbl_indexed(int offset, int rs, int rt)
1802 assert(offset>-256&&offset<256);
1803 assem_debug("ldrsb %s,%s+%d\n",regname[rt],regname[rs],offset);
1805 output_w32(0xe1d000d0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf));
1807 output_w32(0xe15000d0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf));
1811 static void emit_movsbl_indexed_tlb(int addr, int rs, int map, int rt)
1813 if(map<0) emit_movsbl_indexed(addr, rs, rt);
1816 emit_shlimm(map,2,map);
1817 assem_debug("ldrsb %s,%s+%s\n",regname[rt],regname[rs],regname[map]);
1818 output_w32(0xe19000d0|rd_rn_rm(rt,rs,map));
1820 assert(addr>-256&&addr<256);
1821 assem_debug("add %s,%s,%s,lsl #2\n",regname[rt],regname[rs],regname[map]);
1822 output_w32(0xe0800000|rd_rn_rm(rt,rs,map)|(2<<7));
1823 emit_movsbl_indexed(addr, rt, rt);
1828 static void emit_movswl_indexed(int offset, int rs, int rt)
1830 assert(offset>-256&&offset<256);
1831 assem_debug("ldrsh %s,%s+%d\n",regname[rt],regname[rs],offset);
1833 output_w32(0xe1d000f0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf));
1835 output_w32(0xe15000f0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf));
1839 static void emit_movzbl_indexed(int offset, int rs, int rt)
1841 assert(offset>-4096&&offset<4096);
1842 assem_debug("ldrb %s,%s+%d\n",regname[rt],regname[rs],offset);
1844 output_w32(0xe5d00000|rd_rn_rm(rt,rs,0)|offset);
1846 output_w32(0xe5500000|rd_rn_rm(rt,rs,0)|(-offset));
1850 static void emit_movzbl_dualindexedx4(int rs1, int rs2, int rt)
1852 assem_debug("ldrb %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]);
1853 output_w32(0xe7d00000|rd_rn_rm(rt,rs1,rs2)|0x100);
1856 static void emit_movzbl_indexed_tlb(int addr, int rs, int map, int rt)
1858 if(map<0) emit_movzbl_indexed(addr, rs, rt);
1861 emit_movzbl_dualindexedx4(rs, map, rt);
1863 emit_addimm(rs,addr,rt);
1864 emit_movzbl_dualindexedx4(rt, map, rt);
1869 static void emit_movzwl_indexed(int offset, int rs, int rt)
1871 assert(offset>-256&&offset<256);
1872 assem_debug("ldrh %s,%s+%d\n",regname[rt],regname[rs],offset);
1874 output_w32(0xe1d000b0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf));
1876 output_w32(0xe15000b0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf));
1880 static void emit_ldrd(int offset, int rs, int rt)
1882 assert(offset>-256&&offset<256);
1883 assem_debug("ldrd %s,%s+%d\n",regname[rt],regname[rs],offset);
1885 output_w32(0xe1c000d0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf));
1887 output_w32(0xe14000d0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf));
1891 static void emit_readword(int addr, int rt)
1893 u_int offset = addr-(u_int)&dynarec_local;
1894 assert(offset<4096);
1895 assem_debug("ldr %s,fp+%d\n",regname[rt],offset);
1896 output_w32(0xe5900000|rd_rn_rm(rt,FP,0)|offset);
1899 static unused void emit_movsbl(int addr, int rt)
1901 u_int offset = addr-(u_int)&dynarec_local;
1903 assem_debug("ldrsb %s,fp+%d\n",regname[rt],offset);
1904 output_w32(0xe1d000d0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf));
1907 static unused void emit_movswl(int addr, int rt)
1909 u_int offset = addr-(u_int)&dynarec_local;
1911 assem_debug("ldrsh %s,fp+%d\n",regname[rt],offset);
1912 output_w32(0xe1d000f0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf));
1915 static unused void emit_movzbl(int addr, int rt)
1917 u_int offset = addr-(u_int)&dynarec_local;
1918 assert(offset<4096);
1919 assem_debug("ldrb %s,fp+%d\n",regname[rt],offset);
1920 output_w32(0xe5d00000|rd_rn_rm(rt,FP,0)|offset);
1923 static unused void emit_movzwl(int addr, int rt)
1925 u_int offset = addr-(u_int)&dynarec_local;
1927 assem_debug("ldrh %s,fp+%d\n",regname[rt],offset);
1928 output_w32(0xe1d000b0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf));
1931 static void emit_writeword_indexed(int rt, int offset, int rs)
1933 assert(offset>-4096&&offset<4096);
1934 assem_debug("str %s,%s+%d\n",regname[rt],regname[rs],offset);
1936 output_w32(0xe5800000|rd_rn_rm(rt,rs,0)|offset);
1938 output_w32(0xe5000000|rd_rn_rm(rt,rs,0)|(-offset));
1942 static void emit_writeword_dualindexedx4(int rt, int rs1, int rs2)
1944 assem_debug("str %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]);
1945 output_w32(0xe7800000|rd_rn_rm(rt,rs1,rs2)|0x100);
1948 static void emit_writeword_indexed_tlb(int rt, int addr, int rs, int map, int temp)
1950 if(map<0) emit_writeword_indexed(rt, addr, rs);
1953 emit_writeword_dualindexedx4(rt, rs, map);
1957 static void emit_writedword_indexed_tlb(int rh, int rl, int addr, int rs, int map, int temp)
1960 if(rh>=0) emit_writeword_indexed(rh, addr, rs);
1961 emit_writeword_indexed(rl, addr+4, rs);
1964 if(temp!=rs) emit_addimm(map,1,temp);
1965 emit_writeword_indexed_tlb(rh, addr, rs, map, temp);
1966 if(temp!=rs) emit_writeword_indexed_tlb(rl, addr, rs, temp, temp);
1968 emit_addimm(rs,4,rs);
1969 emit_writeword_indexed_tlb(rl, addr, rs, map, temp);
1974 static void emit_writehword_indexed(int rt, int offset, int rs)
1976 assert(offset>-256&&offset<256);
1977 assem_debug("strh %s,%s+%d\n",regname[rt],regname[rs],offset);
1979 output_w32(0xe1c000b0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf));
1981 output_w32(0xe14000b0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf));
1985 static void emit_writebyte_indexed(int rt, int offset, int rs)
1987 assert(offset>-4096&&offset<4096);
1988 assem_debug("strb %s,%s+%d\n",regname[rt],regname[rs],offset);
1990 output_w32(0xe5c00000|rd_rn_rm(rt,rs,0)|offset);
1992 output_w32(0xe5400000|rd_rn_rm(rt,rs,0)|(-offset));
1996 static void emit_writebyte_dualindexedx4(int rt, int rs1, int rs2)
1998 assem_debug("strb %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]);
1999 output_w32(0xe7c00000|rd_rn_rm(rt,rs1,rs2)|0x100);
2002 static void emit_writebyte_indexed_tlb(int rt, int addr, int rs, int map, int temp)
2004 if(map<0) emit_writebyte_indexed(rt, addr, rs);
2007 emit_writebyte_dualindexedx4(rt, rs, map);
2009 emit_addimm(rs,addr,temp);
2010 emit_writebyte_dualindexedx4(rt, temp, map);
2015 static void emit_strcc_dualindexed(int rs1, int rs2, int rt)
2017 assem_debug("strcc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
2018 output_w32(0x37800000|rd_rn_rm(rt,rs1,rs2));
2021 static void emit_strccb_dualindexed(int rs1, int rs2, int rt)
2023 assem_debug("strccb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
2024 output_w32(0x37c00000|rd_rn_rm(rt,rs1,rs2));
2027 static void emit_strcch_dualindexed(int rs1, int rs2, int rt)
2029 assem_debug("strcch %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
2030 output_w32(0x318000b0|rd_rn_rm(rt,rs1,rs2));
2033 static void emit_writeword(int rt, int addr)
2035 u_int offset = addr-(u_int)&dynarec_local;
2036 assert(offset<4096);
2037 assem_debug("str %s,fp+%d\n",regname[rt],offset);
2038 output_w32(0xe5800000|rd_rn_rm(rt,FP,0)|offset);
2041 static unused void emit_writehword(int rt, int addr)
2043 u_int offset = addr-(u_int)&dynarec_local;
2045 assem_debug("strh %s,fp+%d\n",regname[rt],offset);
2046 output_w32(0xe1c000b0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf));
2049 static unused void emit_writebyte(int rt, int addr)
2051 u_int offset = addr-(u_int)&dynarec_local;
2052 assert(offset<4096);
2053 assem_debug("strb %s,fp+%d\n",regname[rt],offset);
2054 output_w32(0xe5c00000|rd_rn_rm(rt,FP,0)|offset);
2057 static void emit_umull(u_int rs1, u_int rs2, u_int hi, u_int lo)
2059 assem_debug("umull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]);
2064 output_w32(0xe0800090|(hi<<16)|(lo<<12)|(rs2<<8)|rs1);
2067 static void emit_smull(u_int rs1, u_int rs2, u_int hi, u_int lo)
2069 assem_debug("smull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]);
2074 output_w32(0xe0c00090|(hi<<16)|(lo<<12)|(rs2<<8)|rs1);
2077 static void emit_clz(int rs,int rt)
2079 assem_debug("clz %s,%s\n",regname[rt],regname[rs]);
2080 output_w32(0xe16f0f10|rd_rn_rm(rt,0,rs));
2083 static void emit_subcs(int rs1,int rs2,int rt)
2085 assem_debug("subcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
2086 output_w32(0x20400000|rd_rn_rm(rt,rs1,rs2));
2089 static void emit_shrcc_imm(int rs,u_int imm,int rt)
2093 assem_debug("lsrcc %s,%s,#%d\n",regname[rt],regname[rs],imm);
2094 output_w32(0x31a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7));
2097 static void emit_shrne_imm(int rs,u_int imm,int rt)
2101 assem_debug("lsrne %s,%s,#%d\n",regname[rt],regname[rs],imm);
2102 output_w32(0x11a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7));
2105 static void emit_negmi(int rs, int rt)
2107 assem_debug("rsbmi %s,%s,#0\n",regname[rt],regname[rs]);
2108 output_w32(0x42600000|rd_rn_rm(rt,rs,0));
2111 static void emit_negsmi(int rs, int rt)
2113 assem_debug("rsbsmi %s,%s,#0\n",regname[rt],regname[rs]);
2114 output_w32(0x42700000|rd_rn_rm(rt,rs,0));
2117 static void emit_orreq(u_int rs1,u_int rs2,u_int rt)
2119 assem_debug("orreq %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
2120 output_w32(0x01800000|rd_rn_rm(rt,rs1,rs2));
2123 static void emit_orrne(u_int rs1,u_int rs2,u_int rt)
2125 assem_debug("orrne %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
2126 output_w32(0x11800000|rd_rn_rm(rt,rs1,rs2));
2129 static void emit_bic_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt)
2131 assem_debug("bic %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
2132 output_w32(0xe1C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8));
2135 static void emit_biceq_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt)
2137 assem_debug("biceq %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
2138 output_w32(0x01C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8));
2141 static void emit_bicne_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt)
2143 assem_debug("bicne %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
2144 output_w32(0x11C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8));
2147 static void emit_bic_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt)
2149 assem_debug("bic %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
2150 output_w32(0xe1C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8));
2153 static void emit_biceq_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt)
2155 assem_debug("biceq %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
2156 output_w32(0x01C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8));
2159 static void emit_bicne_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt)
2161 assem_debug("bicne %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
2162 output_w32(0x11C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8));
2165 static void emit_teq(int rs, int rt)
2167 assem_debug("teq %s,%s\n",regname[rs],regname[rt]);
2168 output_w32(0xe1300000|rd_rn_rm(0,rs,rt));
2171 static void emit_rsbimm(int rs, int imm, int rt)
2174 genimm_checked(imm,&armval);
2175 assem_debug("rsb %s,%s,#%d\n",regname[rt],regname[rs],imm);
2176 output_w32(0xe2600000|rd_rn_rm(rt,rs,0)|armval);
2179 // Load 2 immediates optimizing for small code size
2180 static void emit_mov2imm_compact(int imm1,u_int rt1,int imm2,u_int rt2)
2182 emit_movimm(imm1,rt1);
2184 if(genimm(imm2-imm1,&armval)) {
2185 assem_debug("add %s,%s,#%d\n",regname[rt2],regname[rt1],imm2-imm1);
2186 output_w32(0xe2800000|rd_rn_rm(rt2,rt1,0)|armval);
2187 }else if(genimm(imm1-imm2,&armval)) {
2188 assem_debug("sub %s,%s,#%d\n",regname[rt2],regname[rt1],imm1-imm2);
2189 output_w32(0xe2400000|rd_rn_rm(rt2,rt1,0)|armval);
2191 else emit_movimm(imm2,rt2);
2194 // Conditionally select one of two immediates, optimizing for small code size
2195 // This will only be called if HAVE_CMOV_IMM is defined
2196 static void emit_cmov2imm_e_ne_compact(int imm1,int imm2,u_int rt)
2199 if(genimm(imm2-imm1,&armval)) {
2200 emit_movimm(imm1,rt);
2201 assem_debug("addne %s,%s,#%d\n",regname[rt],regname[rt],imm2-imm1);
2202 output_w32(0x12800000|rd_rn_rm(rt,rt,0)|armval);
2203 }else if(genimm(imm1-imm2,&armval)) {
2204 emit_movimm(imm1,rt);
2205 assem_debug("subne %s,%s,#%d\n",regname[rt],regname[rt],imm1-imm2);
2206 output_w32(0x12400000|rd_rn_rm(rt,rt,0)|armval);
2210 emit_movimm(imm1,rt);
2211 add_literal((int)out,imm2);
2212 assem_debug("ldrne %s,pc+? [=%x]\n",regname[rt],imm2);
2213 output_w32(0x15900000|rd_rn_rm(rt,15,0));
2215 emit_movw(imm1&0x0000FFFF,rt);
2216 if((imm1&0xFFFF)!=(imm2&0xFFFF)) {
2217 assem_debug("movwne %s,#%d (0x%x)\n",regname[rt],imm2&0xFFFF,imm2&0xFFFF);
2218 output_w32(0x13000000|rd_rn_rm(rt,0,0)|(imm2&0xfff)|((imm2<<4)&0xf0000));
2220 emit_movt(imm1&0xFFFF0000,rt);
2221 if((imm1&0xFFFF0000)!=(imm2&0xFFFF0000)) {
2222 assem_debug("movtne %s,#%d (0x%x)\n",regname[rt],imm2&0xffff0000,imm2&0xffff0000);
2223 output_w32(0x13400000|rd_rn_rm(rt,0,0)|((imm2>>16)&0xfff)|((imm2>>12)&0xf0000));
2229 // special case for checking invalid_code
2230 static void emit_cmpmem_indexedsr12_reg(int base,int r,int imm)
2232 assert(imm<128&&imm>=0);
2234 assem_debug("ldrb lr,%s,%s lsr #12\n",regname[base],regname[r]);
2235 output_w32(0xe7d00000|rd_rn_rm(HOST_TEMPREG,base,r)|0x620);
2236 emit_cmpimm(HOST_TEMPREG,imm);
2239 static void emit_callne(int a)
2241 assem_debug("blne %x\n",a);
2242 u_int offset=genjmp(a);
2243 output_w32(0x1b000000|offset);
2246 // Used to preload hash table entries
2247 static unused void emit_prefetchreg(int r)
2249 assem_debug("pld %s\n",regname[r]);
2250 output_w32(0xf5d0f000|rd_rn_rm(0,r,0));
2253 // Special case for mini_ht
2254 static void emit_ldreq_indexed(int rs, u_int offset, int rt)
2256 assert(offset<4096);
2257 assem_debug("ldreq %s,[%s, #%d]\n",regname[rt],regname[rs],offset);
2258 output_w32(0x05900000|rd_rn_rm(rt,rs,0)|offset);
2261 static unused void emit_bicne_imm(int rs,int imm,int rt)
2264 genimm_checked(imm,&armval);
2265 assem_debug("bicne %s,%s,#%d\n",regname[rt],regname[rs],imm);
2266 output_w32(0x13c00000|rd_rn_rm(rt,rs,0)|armval);
2269 static unused void emit_biccs_imm(int rs,int imm,int rt)
2272 genimm_checked(imm,&armval);
2273 assem_debug("biccs %s,%s,#%d\n",regname[rt],regname[rs],imm);
2274 output_w32(0x23c00000|rd_rn_rm(rt,rs,0)|armval);
2277 static unused void emit_bicvc_imm(int rs,int imm,int rt)
2280 genimm_checked(imm,&armval);
2281 assem_debug("bicvc %s,%s,#%d\n",regname[rt],regname[rs],imm);
2282 output_w32(0x73c00000|rd_rn_rm(rt,rs,0)|armval);
2285 static unused void emit_bichi_imm(int rs,int imm,int rt)
2288 genimm_checked(imm,&armval);
2289 assem_debug("bichi %s,%s,#%d\n",regname[rt],regname[rs],imm);
2290 output_w32(0x83c00000|rd_rn_rm(rt,rs,0)|armval);
2293 static unused void emit_orrvs_imm(int rs,int imm,int rt)
2296 genimm_checked(imm,&armval);
2297 assem_debug("orrvs %s,%s,#%d\n",regname[rt],regname[rs],imm);
2298 output_w32(0x63800000|rd_rn_rm(rt,rs,0)|armval);
2301 static void emit_orrne_imm(int rs,int imm,int rt)
2304 genimm_checked(imm,&armval);
2305 assem_debug("orrne %s,%s,#%d\n",regname[rt],regname[rs],imm);
2306 output_w32(0x13800000|rd_rn_rm(rt,rs,0)|armval);
2309 static void emit_andne_imm(int rs,int imm,int rt)
2312 genimm_checked(imm,&armval);
2313 assem_debug("andne %s,%s,#%d\n",regname[rt],regname[rs],imm);
2314 output_w32(0x12000000|rd_rn_rm(rt,rs,0)|armval);
2317 static unused void emit_addpl_imm(int rs,int imm,int rt)
2320 genimm_checked(imm,&armval);
2321 assem_debug("addpl %s,%s,#%d\n",regname[rt],regname[rs],imm);
2322 output_w32(0x52800000|rd_rn_rm(rt,rs,0)|armval);
2325 static void emit_jno_unlikely(int a)
2328 assem_debug("addvc pc,pc,#? (%x)\n",/*a-(int)out-8,*/a);
2329 output_w32(0x72800000|rd_rn_rm(15,15,0));
2332 static void save_regs_all(u_int reglist)
2335 if(!reglist) return;
2336 assem_debug("stmia fp,{");
2339 assem_debug("r%d,",i);
2341 output_w32(0xe88b0000|reglist);
2344 static void restore_regs_all(u_int reglist)
2347 if(!reglist) return;
2348 assem_debug("ldmia fp,{");
2351 assem_debug("r%d,",i);
2353 output_w32(0xe89b0000|reglist);
2356 // Save registers before function call
2357 static void save_regs(u_int reglist)
2359 reglist&=CALLER_SAVE_REGS; // only save the caller-save registers, r0-r3, r12
2360 save_regs_all(reglist);
2363 // Restore registers after function call
2364 static void restore_regs(u_int reglist)
2366 reglist&=CALLER_SAVE_REGS;
2367 restore_regs_all(reglist);
2370 /* Stubs/epilogue */
2372 static void literal_pool(int n)
2374 if(!literalcount) return;
2376 if((int)out-literals[0][0]<4096-n) return;
2380 for(i=0;i<literalcount;i++)
2382 u_int l_addr=(u_int)out;
2385 if(literals[j][1]==literals[i][1]) {
2386 //printf("dup %08x\n",literals[i][1]);
2387 l_addr=literals[j][0];
2391 ptr=(u_int *)literals[i][0];
2392 u_int offset=l_addr-(u_int)ptr-8;
2393 assert(offset<4096);
2394 assert(!(offset&3));
2396 if(l_addr==(u_int)out) {
2397 literals[i][0]=l_addr; // remember for dupes
2398 output_w32(literals[i][1]);
2404 static void literal_pool_jumpover(int n)
2406 if(!literalcount) return;
2408 if((int)out-literals[0][0]<4096-n) return;
2413 set_jump_target(jaddr,(int)out);
2416 static void emit_extjump2(u_int addr, int target, int linker)
2418 u_char *ptr=(u_char *)addr;
2419 assert((ptr[3]&0x0e)==0xa);
2422 emit_loadlp(target,0);
2423 emit_loadlp(addr,1);
2424 assert(addr>=BASE_ADDR&&addr<(BASE_ADDR+(1<<TARGET_SIZE_2)));
2425 //assert((target>=0x80000000&&target<0x80800000)||(target>0xA4000000&&target<0xA4001000));
2427 #ifdef DEBUG_CYCLE_COUNT
2428 emit_readword((int)&last_count,ECX);
2429 emit_add(HOST_CCREG,ECX,HOST_CCREG);
2430 emit_readword((int)&next_interupt,ECX);
2431 emit_writeword(HOST_CCREG,(int)&Count);
2432 emit_sub(HOST_CCREG,ECX,HOST_CCREG);
2433 emit_writeword(ECX,(int)&last_count);
2439 static void emit_extjump(int addr, int target)
2441 emit_extjump2(addr, target, (int)dyna_linker);
2444 static void emit_extjump_ds(int addr, int target)
2446 emit_extjump2(addr, target, (int)dyna_linker_ds);
2449 // put rt_val into rt, potentially making use of rs with value rs_val
2450 static void emit_movimm_from(u_int rs_val,int rs,u_int rt_val,int rt)
2454 if(genimm(rt_val,&armval)) {
2455 assem_debug("mov %s,#%d\n",regname[rt],rt_val);
2456 output_w32(0xe3a00000|rd_rn_rm(rt,0,0)|armval);
2459 if(genimm(~rt_val,&armval)) {
2460 assem_debug("mvn %s,#%d\n",regname[rt],rt_val);
2461 output_w32(0xe3e00000|rd_rn_rm(rt,0,0)|armval);
2465 if(genimm(diff,&armval)) {
2466 assem_debug("add %s,%s,#%d\n",regname[rt],regname[rs],diff);
2467 output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval);
2469 }else if(genimm(-diff,&armval)) {
2470 assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],-diff);
2471 output_w32(0xe2400000|rd_rn_rm(rt,rs,0)|armval);
2474 emit_movimm(rt_val,rt);
2477 // return 1 if above function can do it's job cheaply
2478 static int is_similar_value(u_int v1,u_int v2)
2482 if(v1==v2) return 1;
2484 for(xs=diff;xs!=0&&(xs&3)==0;xs>>=2)
2486 if(xs<0x100) return 1;
2487 for(xs=-diff;xs!=0&&(xs&3)==0;xs>>=2)
2489 if(xs<0x100) return 1;
2494 static void pass_args(int a0, int a1)
2498 emit_mov(a0,2); emit_mov(a1,1); emit_mov(2,0);
2500 else if(a0!=0&&a1==0) {
2502 if (a0>=0) emit_mov(a0,0);
2505 if(a0>=0&&a0!=0) emit_mov(a0,0);
2506 if(a1>=0&&a1!=1) emit_mov(a1,1);
2510 static void mov_loadtype_adj(int type,int rs,int rt)
2513 case LOADB_STUB: emit_signextend8(rs,rt); break;
2514 case LOADBU_STUB: emit_andimm(rs,0xff,rt); break;
2515 case LOADH_STUB: emit_signextend16(rs,rt); break;
2516 case LOADHU_STUB: emit_andimm(rs,0xffff,rt); break;
2517 case LOADW_STUB: if(rs!=rt) emit_mov(rs,rt); break;
2522 #include "pcsxmem.h"
2523 #include "pcsxmem_inline.c"
2525 static void do_readstub(int n)
2527 assem_debug("do_readstub %x\n",start+stubs[n][3]*4);
2529 set_jump_target(stubs[n][1],(int)out);
2530 int type=stubs[n][0];
2533 struct regstat *i_regs=(struct regstat *)stubs[n][5];
2534 u_int reglist=stubs[n][7];
2535 signed char *i_regmap=i_regs->regmap;
2537 if(itype[i]==C1LS||itype[i]==C2LS||itype[i]==LOADLR) {
2538 rt=get_reg(i_regmap,FTEMP);
2540 rt=get_reg(i_regmap,rt1[i]);
2543 int r,temp=-1,temp2=HOST_TEMPREG,regs_saved=0,restore_jump=0;
2545 for(r=0;r<=12;r++) {
2546 if(((1<<r)&0x13ff)&&((1<<r)®list)==0) {
2550 if(rt>=0&&rt1[i]!=0)
2557 if((regs_saved||(reglist&2)==0)&&temp!=1&&rs!=1)
2559 emit_readword((int)&mem_rtab,temp);
2560 emit_shrimm(rs,12,temp2);
2561 emit_readword_dualindexedx4(temp,temp2,temp2);
2562 emit_lsls_imm(temp2,1,temp2);
2563 if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) {
2565 case LOADB_STUB: emit_ldrccsb_dualindexed(temp2,rs,rt); break;
2566 case LOADBU_STUB: emit_ldrccb_dualindexed(temp2,rs,rt); break;
2567 case LOADH_STUB: emit_ldrccsh_dualindexed(temp2,rs,rt); break;
2568 case LOADHU_STUB: emit_ldrcch_dualindexed(temp2,rs,rt); break;
2569 case LOADW_STUB: emit_ldrcc_dualindexed(temp2,rs,rt); break;
2573 restore_jump=(int)out;
2574 emit_jcc(0); // jump to reg restore
2577 emit_jcc(stubs[n][2]); // return address
2582 if(type==LOADB_STUB||type==LOADBU_STUB)
2583 handler=(int)jump_handler_read8;
2584 if(type==LOADH_STUB||type==LOADHU_STUB)
2585 handler=(int)jump_handler_read16;
2586 if(type==LOADW_STUB)
2587 handler=(int)jump_handler_read32;
2589 pass_args(rs,temp2);
2590 int cc=get_reg(i_regmap,CCREG);
2592 emit_loadreg(CCREG,2);
2593 emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n][6]+1),2);
2595 if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) {
2596 mov_loadtype_adj(type,0,rt);
2599 set_jump_target(restore_jump,(int)out);
2600 restore_regs(reglist);
2601 emit_jmp(stubs[n][2]); // return address
2604 // return memhandler, or get directly accessable address and return 0
2605 static u_int get_direct_memhandler(void *table,u_int addr,int type,u_int *addr_host)
2608 l1=((u_int *)table)[addr>>12];
2609 if((l1&(1<<31))==0) {
2616 if(type==LOADB_STUB||type==LOADBU_STUB||type==STOREB_STUB)
2617 l2=((u_int *)l1)[0x1000/4 + 0x1000/2 + (addr&0xfff)];
2618 else if(type==LOADH_STUB||type==LOADHU_STUB||type==STOREH_STUB)
2619 l2=((u_int *)l1)[0x1000/4 + (addr&0xfff)/2];
2621 l2=((u_int *)l1)[(addr&0xfff)/4];
2622 if((l2&(1<<31))==0) {
2624 *addr_host=v+(addr&0xfff);
2631 static void inline_readstub(int type, int i, u_int addr, signed char regmap[], int target, int adj, u_int reglist)
2633 int rs=get_reg(regmap,target);
2634 int rt=get_reg(regmap,target);
2635 if(rs<0) rs=get_reg(regmap,-1);
2637 u_int handler,host_addr=0,is_dynamic,far_call=0;
2638 int cc=get_reg(regmap,CCREG);
2639 if(pcsx_direct_read(type,addr,CLOCK_ADJUST(adj+1),cc,target?rs:-1,rt))
2641 handler=get_direct_memhandler(mem_rtab,addr,type,&host_addr);
2646 emit_movimm_from(addr,rs,host_addr,rs);
2648 case LOADB_STUB: emit_movsbl_indexed(0,rs,rt); break;
2649 case LOADBU_STUB: emit_movzbl_indexed(0,rs,rt); break;
2650 case LOADH_STUB: emit_movswl_indexed(0,rs,rt); break;
2651 case LOADHU_STUB: emit_movzwl_indexed(0,rs,rt); break;
2652 case LOADW_STUB: emit_readword_indexed(0,rs,rt); break;
2657 is_dynamic=pcsxmem_is_handler_dynamic(addr);
2659 if(type==LOADB_STUB||type==LOADBU_STUB)
2660 handler=(int)jump_handler_read8;
2661 if(type==LOADH_STUB||type==LOADHU_STUB)
2662 handler=(int)jump_handler_read16;
2663 if(type==LOADW_STUB)
2664 handler=(int)jump_handler_read32;
2667 // call a memhandler
2668 if(rt>=0&&rt1[i]!=0)
2672 emit_movimm(addr,0);
2675 int offset=(int)handler-(int)out-8;
2676 if(offset<-33554432||offset>=33554432) {
2677 // unreachable memhandler, a plugin func perhaps
2678 emit_movimm(handler,12);
2682 emit_loadreg(CCREG,2);
2684 emit_movimm(((u_int *)mem_rtab)[addr>>12]<<1,1);
2685 emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2);
2688 emit_readword((int)&last_count,3);
2689 emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2);
2691 emit_writeword(2,(int)&Count);
2699 if(rt>=0&&rt1[i]!=0) {
2701 case LOADB_STUB: emit_signextend8(0,rt); break;
2702 case LOADBU_STUB: emit_andimm(0,0xff,rt); break;
2703 case LOADH_STUB: emit_signextend16(0,rt); break;
2704 case LOADHU_STUB: emit_andimm(0,0xffff,rt); break;
2705 case LOADW_STUB: if(rt!=0) emit_mov(0,rt); break;
2709 restore_regs(reglist);
2712 static void do_writestub(int n)
2714 assem_debug("do_writestub %x\n",start+stubs[n][3]*4);
2716 set_jump_target(stubs[n][1],(int)out);
2717 int type=stubs[n][0];
2720 struct regstat *i_regs=(struct regstat *)stubs[n][5];
2721 u_int reglist=stubs[n][7];
2722 signed char *i_regmap=i_regs->regmap;
2724 if(itype[i]==C1LS||itype[i]==C2LS) {
2725 rt=get_reg(i_regmap,r=FTEMP);
2727 rt=get_reg(i_regmap,r=rs2[i]);
2731 int rtmp,temp=-1,temp2=HOST_TEMPREG,regs_saved=0,restore_jump=0,ra;
2732 int reglist2=reglist|(1<<rs)|(1<<rt);
2733 for(rtmp=0;rtmp<=12;rtmp++) {
2734 if(((1<<rtmp)&0x13ff)&&((1<<rtmp)®list2)==0) {
2741 for(rtmp=0;rtmp<=3;rtmp++)
2742 if(rtmp!=rs&&rtmp!=rt)
2745 if((regs_saved||(reglist2&8)==0)&&temp!=3&&rs!=3&&rt!=3)
2747 emit_readword((int)&mem_wtab,temp);
2748 emit_shrimm(rs,12,temp2);
2749 emit_readword_dualindexedx4(temp,temp2,temp2);
2750 emit_lsls_imm(temp2,1,temp2);
2752 case STOREB_STUB: emit_strccb_dualindexed(temp2,rs,rt); break;
2753 case STOREH_STUB: emit_strcch_dualindexed(temp2,rs,rt); break;
2754 case STOREW_STUB: emit_strcc_dualindexed(temp2,rs,rt); break;
2758 restore_jump=(int)out;
2759 emit_jcc(0); // jump to reg restore
2762 emit_jcc(stubs[n][2]); // return address (invcode check)
2768 case STOREB_STUB: handler=(int)jump_handler_write8; break;
2769 case STOREH_STUB: handler=(int)jump_handler_write16; break;
2770 case STOREW_STUB: handler=(int)jump_handler_write32; break;
2776 int cc=get_reg(i_regmap,CCREG);
2778 emit_loadreg(CCREG,2);
2779 emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n][6]+1),2);
2780 // returns new cycle_count
2782 emit_addimm(0,-CLOCK_ADJUST((int)stubs[n][6]+1),cc<0?2:cc);
2784 emit_storereg(CCREG,2);
2786 set_jump_target(restore_jump,(int)out);
2787 restore_regs(reglist);
2792 static void inline_writestub(int type, int i, u_int addr, signed char regmap[], int target, int adj, u_int reglist)
2794 int rs=get_reg(regmap,-1);
2795 int rt=get_reg(regmap,target);
2798 u_int handler,host_addr=0;
2799 handler=get_direct_memhandler(mem_wtab,addr,type,&host_addr);
2802 emit_movimm_from(addr,rs,host_addr,rs);
2804 case STOREB_STUB: emit_writebyte_indexed(rt,0,rs); break;
2805 case STOREH_STUB: emit_writehword_indexed(rt,0,rs); break;
2806 case STOREW_STUB: emit_writeword_indexed(rt,0,rs); break;
2812 // call a memhandler
2815 int cc=get_reg(regmap,CCREG);
2817 emit_loadreg(CCREG,2);
2818 emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2);
2819 emit_movimm(handler,3);
2820 // returns new cycle_count
2821 emit_call((int)jump_handler_write_h);
2822 emit_addimm(0,-CLOCK_ADJUST(adj+1),cc<0?2:cc);
2824 emit_storereg(CCREG,2);
2825 restore_regs(reglist);
2828 static void do_unalignedwritestub(int n)
2830 assem_debug("do_unalignedwritestub %x\n",start+stubs[n][3]*4);
2832 set_jump_target(stubs[n][1],(int)out);
2835 struct regstat *i_regs=(struct regstat *)stubs[n][4];
2836 int addr=stubs[n][5];
2837 u_int reglist=stubs[n][7];
2838 signed char *i_regmap=i_regs->regmap;
2839 int temp2=get_reg(i_regmap,FTEMP);
2841 rt=get_reg(i_regmap,rs2[i]);
2844 assert(opcode[i]==0x2a||opcode[i]==0x2e); // SWL/SWR only implemented
2846 reglist&=~(1<<temp2);
2849 // don't bother with it and call write handler
2852 int cc=get_reg(i_regmap,CCREG);
2854 emit_loadreg(CCREG,2);
2855 emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n][6]+1),2);
2856 emit_call((int)(opcode[i]==0x2a?jump_handle_swl:jump_handle_swr));
2857 emit_addimm(0,-CLOCK_ADJUST((int)stubs[n][6]+1),cc<0?2:cc);
2859 emit_storereg(CCREG,2);
2860 restore_regs(reglist);
2861 emit_jmp(stubs[n][2]); // return address
2863 emit_andimm(addr,0xfffffffc,temp2);
2864 emit_writeword(temp2,(int)&address);
2867 emit_shrimm(addr,16,1);
2868 int cc=get_reg(i_regmap,CCREG);
2870 emit_loadreg(CCREG,2);
2872 emit_movimm((u_int)readmem,0);
2873 emit_addimm(cc<0?2:cc,2*stubs[n][6]+2,2);
2874 emit_call((int)&indirect_jump_indexed);
2875 restore_regs(reglist);
2877 emit_readword((int)&readmem_dword,temp2);
2878 int temp=addr; //hmh
2879 emit_shlimm(addr,3,temp);
2880 emit_andimm(temp,24,temp);
2881 #ifdef BIG_ENDIAN_MIPS
2882 if (opcode[i]==0x2e) // SWR
2884 if (opcode[i]==0x2a) // SWL
2886 emit_xorimm(temp,24,temp);
2887 emit_movimm(-1,HOST_TEMPREG);
2888 if (opcode[i]==0x2a) { // SWL
2889 emit_bic_lsr(temp2,HOST_TEMPREG,temp,temp2);
2890 emit_orrshr(rt,temp,temp2);
2892 emit_bic_lsl(temp2,HOST_TEMPREG,temp,temp2);
2893 emit_orrshl(rt,temp,temp2);
2895 emit_readword((int)&address,addr);
2896 emit_writeword(temp2,(int)&word);
2897 //save_regs(reglist); // don't need to, no state changes
2898 emit_shrimm(addr,16,1);
2899 emit_movimm((u_int)writemem,0);
2900 //emit_call((int)&indirect_jump_indexed);
2902 emit_readword_dualindexedx4(0,1,15);
2903 emit_readword((int)&Count,HOST_TEMPREG);
2904 emit_readword((int)&next_interupt,2);
2905 emit_addimm(HOST_TEMPREG,-2*stubs[n][6]-2,HOST_TEMPREG);
2906 emit_writeword(2,(int)&last_count);
2907 emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc);
2909 emit_storereg(CCREG,HOST_TEMPREG);
2911 restore_regs(reglist);
2912 emit_jmp(stubs[n][2]); // return address
2916 static void do_invstub(int n)
2919 u_int reglist=stubs[n][3];
2920 set_jump_target(stubs[n][1],(int)out);
2922 if(stubs[n][4]!=0) emit_mov(stubs[n][4],0);
2923 emit_call((int)&invalidate_addr);
2924 restore_regs(reglist);
2925 emit_jmp(stubs[n][2]); // return address
2928 int do_dirty_stub(int i)
2930 assem_debug("do_dirty_stub %x\n",start+i*4);
2931 u_int addr=(u_int)source;
2932 // Careful about the code output here, verify_dirty needs to parse it.
2934 emit_loadlp(addr,1);
2935 emit_loadlp((int)copy,2);
2936 emit_loadlp(slen*4,3);
2938 emit_movw(addr&0x0000FFFF,1);
2939 emit_movw(((u_int)copy)&0x0000FFFF,2);
2940 emit_movt(addr&0xFFFF0000,1);
2941 emit_movt(((u_int)copy)&0xFFFF0000,2);
2942 emit_movw(slen*4,3);
2944 emit_movimm(start+i*4,0);
2945 emit_call((int)start<(int)0xC0000000?(int)&verify_code:(int)&verify_code_vm);
2948 if(entry==(int)out) entry=instr_addr[i];
2949 emit_jmp(instr_addr[i]);
2953 static void do_dirty_stub_ds()
2955 // Careful about the code output here, verify_dirty needs to parse it.
2957 emit_loadlp((int)start<(int)0xC0000000?(int)source:(int)start,1);
2958 emit_loadlp((int)copy,2);
2959 emit_loadlp(slen*4,3);
2961 emit_movw(((int)start<(int)0xC0000000?(u_int)source:(u_int)start)&0x0000FFFF,1);
2962 emit_movw(((u_int)copy)&0x0000FFFF,2);
2963 emit_movt(((int)start<(int)0xC0000000?(u_int)source:(u_int)start)&0xFFFF0000,1);
2964 emit_movt(((u_int)copy)&0xFFFF0000,2);
2965 emit_movw(slen*4,3);
2967 emit_movimm(start+1,0);
2968 emit_call((int)&verify_code_ds);
2971 static void do_cop1stub(int n)
2974 assem_debug("do_cop1stub %x\n",start+stubs[n][3]*4);
2975 set_jump_target(stubs[n][1],(int)out);
2977 // int rs=stubs[n][4];
2978 struct regstat *i_regs=(struct regstat *)stubs[n][5];
2981 load_all_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty,i);
2982 //if(i_regs!=®s[i]) printf("oops: regs[i]=%x i_regs=%x",(int)®s[i],(int)i_regs);
2984 //else {printf("fp exception in delay slot\n");}
2985 wb_dirtys(i_regs->regmap_entry,i_regs->was32,i_regs->wasdirty);
2986 if(regs[i].regmap_entry[HOST_CCREG]!=CCREG) emit_loadreg(CCREG,HOST_CCREG);
2987 emit_movimm(start+(i-ds)*4,EAX); // Get PC
2988 emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]),HOST_CCREG); // CHECK: is this right? There should probably be an extra cycle...
2989 emit_jmp(ds?(int)fp_exception_ds:(int)fp_exception);
2994 static void shift_assemble_arm(int i,struct regstat *i_regs)
2997 if(opcode2[i]<=0x07) // SLLV/SRLV/SRAV
2999 signed char s,t,shift;
3000 t=get_reg(i_regs->regmap,rt1[i]);
3001 s=get_reg(i_regs->regmap,rs1[i]);
3002 shift=get_reg(i_regs->regmap,rs2[i]);
3011 if(s!=t) emit_mov(s,t);
3015 emit_andimm(shift,31,HOST_TEMPREG);
3016 if(opcode2[i]==4) // SLLV
3018 emit_shl(s,HOST_TEMPREG,t);
3020 if(opcode2[i]==6) // SRLV
3022 emit_shr(s,HOST_TEMPREG,t);
3024 if(opcode2[i]==7) // SRAV
3026 emit_sar(s,HOST_TEMPREG,t);
3030 } else { // DSLLV/DSRLV/DSRAV
3031 signed char sh,sl,th,tl,shift;
3032 th=get_reg(i_regs->regmap,rt1[i]|64);
3033 tl=get_reg(i_regs->regmap,rt1[i]);
3034 sh=get_reg(i_regs->regmap,rs1[i]|64);
3035 sl=get_reg(i_regs->regmap,rs1[i]);
3036 shift=get_reg(i_regs->regmap,rs2[i]);
3041 if(th>=0) emit_zeroreg(th);
3046 if(sl!=tl) emit_mov(sl,tl);
3047 if(th>=0&&sh!=th) emit_mov(sh,th);
3051 // FIXME: What if shift==tl ?
3053 int temp=get_reg(i_regs->regmap,-1);
3055 if(th<0&&opcode2[i]!=0x14) {th=temp;} // DSLLV doesn't need a temporary register
3058 emit_andimm(shift,31,HOST_TEMPREG);
3059 if(opcode2[i]==0x14) // DSLLV
3061 if(th>=0) emit_shl(sh,HOST_TEMPREG,th);
3062 emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG);
3063 emit_orrshr(sl,HOST_TEMPREG,th);
3064 emit_andimm(shift,31,HOST_TEMPREG);
3065 emit_testimm(shift,32);
3066 emit_shl(sl,HOST_TEMPREG,tl);
3067 if(th>=0) emit_cmovne_reg(tl,th);
3068 emit_cmovne_imm(0,tl);
3070 if(opcode2[i]==0x16) // DSRLV
3073 emit_shr(sl,HOST_TEMPREG,tl);
3074 emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG);
3075 emit_orrshl(sh,HOST_TEMPREG,tl);
3076 emit_andimm(shift,31,HOST_TEMPREG);
3077 emit_testimm(shift,32);
3078 emit_shr(sh,HOST_TEMPREG,th);
3079 emit_cmovne_reg(th,tl);
3080 if(real_th>=0) emit_cmovne_imm(0,th);
3082 if(opcode2[i]==0x17) // DSRAV
3085 emit_shr(sl,HOST_TEMPREG,tl);
3086 emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG);
3089 emit_sarimm(th,31,temp);
3091 emit_orrshl(sh,HOST_TEMPREG,tl);
3092 emit_andimm(shift,31,HOST_TEMPREG);
3093 emit_testimm(shift,32);
3094 emit_sar(sh,HOST_TEMPREG,th);
3095 emit_cmovne_reg(th,tl);
3096 if(real_th>=0) emit_cmovne_reg(temp,th);
3104 static void speculate_mov(int rs,int rt)
3107 smrv_strong_next|=1<<rt;
3112 static void speculate_mov_weak(int rs,int rt)
3115 smrv_weak_next|=1<<rt;
3120 static void speculate_register_values(int i)
3123 memcpy(smrv,psxRegs.GPR.r,sizeof(smrv));
3124 // gp,sp are likely to stay the same throughout the block
3125 smrv_strong_next=(1<<28)|(1<<29)|(1<<30);
3126 smrv_weak_next=~smrv_strong_next;
3127 //printf(" llr %08x\n", smrv[4]);
3129 smrv_strong=smrv_strong_next;
3130 smrv_weak=smrv_weak_next;
3133 if ((smrv_strong>>rs1[i])&1) speculate_mov(rs1[i],rt1[i]);
3134 else if((smrv_strong>>rs2[i])&1) speculate_mov(rs2[i],rt1[i]);
3135 else if((smrv_weak>>rs1[i])&1) speculate_mov_weak(rs1[i],rt1[i]);
3136 else if((smrv_weak>>rs2[i])&1) speculate_mov_weak(rs2[i],rt1[i]);
3138 smrv_strong_next&=~(1<<rt1[i]);
3139 smrv_weak_next&=~(1<<rt1[i]);
3143 smrv_strong_next&=~(1<<rt1[i]);
3144 smrv_weak_next&=~(1<<rt1[i]);
3147 if(rt1[i]&&is_const(®s[i],rt1[i])) {
3148 int value,hr=get_reg(regs[i].regmap,rt1[i]);
3150 if(get_final_value(hr,i,&value))
3152 else smrv[rt1[i]]=constmap[i][hr];
3153 smrv_strong_next|=1<<rt1[i];
3157 if ((smrv_strong>>rs1[i])&1) speculate_mov(rs1[i],rt1[i]);
3158 else if((smrv_weak>>rs1[i])&1) speculate_mov_weak(rs1[i],rt1[i]);
3162 if(start<0x2000&&(rt1[i]==26||(smrv[rt1[i]]>>24)==0xa0)) {
3163 // special case for BIOS
3164 smrv[rt1[i]]=0xa0000000;
3165 smrv_strong_next|=1<<rt1[i];
3172 smrv_strong_next&=~(1<<rt1[i]);
3173 smrv_weak_next&=~(1<<rt1[i]);
3177 if(opcode2[i]==0||opcode2[i]==2) { // MFC/CFC
3178 smrv_strong_next&=~(1<<rt1[i]);
3179 smrv_weak_next&=~(1<<rt1[i]);
3183 if (opcode[i]==0x32) { // LWC2
3184 smrv_strong_next&=~(1<<rt1[i]);
3185 smrv_weak_next&=~(1<<rt1[i]);
3191 printf("x %08x %08x %d %d c %08x %08x\n",smrv[r],start+i*4,
3192 ((smrv_strong>>r)&1),(smrv_weak>>r)&1,regs[i].isconst,regs[i].wasconst);
3204 static int get_ptr_mem_type(u_int a)
3206 if(a < 0x00200000) {
3207 if(a<0x1000&&((start>>20)==0xbfc||(start>>24)==0xa0))
3208 // return wrong, must use memhandler for BIOS self-test to pass
3209 // 007 does similar stuff from a00 mirror, weird stuff
3213 if(0x1f800000 <= a && a < 0x1f801000)
3215 if(0x80200000 <= a && a < 0x80800000)
3217 if(0xa0000000 <= a && a < 0xa0200000)
3222 static int emit_fastpath_cmp_jump(int i,int addr,int *addr_reg_override)
3226 if(((smrv_strong|smrv_weak)>>mr)&1) {
3227 type=get_ptr_mem_type(smrv[mr]);
3228 //printf("set %08x @%08x r%d %d\n", smrv[mr], start+i*4, mr, type);
3231 // use the mirror we are running on
3232 type=get_ptr_mem_type(start);
3233 //printf("set nospec @%08x r%d %d\n", start+i*4, mr, type);
3236 if(type==MTYPE_8020) { // RAM 80200000+ mirror
3237 emit_andimm(addr,~0x00e00000,HOST_TEMPREG);
3238 addr=*addr_reg_override=HOST_TEMPREG;
3241 else if(type==MTYPE_0000) { // RAM 0 mirror
3242 emit_orimm(addr,0x80000000,HOST_TEMPREG);
3243 addr=*addr_reg_override=HOST_TEMPREG;
3246 else if(type==MTYPE_A000) { // RAM A mirror
3247 emit_andimm(addr,~0x20000000,HOST_TEMPREG);
3248 addr=*addr_reg_override=HOST_TEMPREG;
3251 else if(type==MTYPE_1F80) { // scratchpad
3252 if (psxH == (void *)0x1f800000) {
3253 emit_addimm(addr,-0x1f800000,HOST_TEMPREG);
3254 emit_cmpimm(HOST_TEMPREG,0x1000);
3259 // do usual RAM check, jump will go to the right handler
3266 emit_cmpimm(addr,RAM_SIZE);
3268 #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
3269 // Hint to branch predictor that the branch is unlikely to be taken
3271 emit_jno_unlikely(0);
3276 emit_addimm(addr,ram_offset,HOST_TEMPREG);
3277 addr=*addr_reg_override=HOST_TEMPREG;
3284 #define shift_assemble shift_assemble_arm
3286 static void loadlr_assemble_arm(int i,struct regstat *i_regs)
3288 int s,th,tl,temp,temp2,addr,map=-1;
3291 int memtarget=0,c=0;
3292 int fastload_reg_override=0;
3294 th=get_reg(i_regs->regmap,rt1[i]|64);
3295 tl=get_reg(i_regs->regmap,rt1[i]);
3296 s=get_reg(i_regs->regmap,rs1[i]);
3297 temp=get_reg(i_regs->regmap,-1);
3298 temp2=get_reg(i_regs->regmap,FTEMP);
3299 addr=get_reg(i_regs->regmap,AGEN1+(i&1));
3302 for(hr=0;hr<HOST_REGS;hr++) {
3303 if(i_regs->regmap[hr]>=0) reglist|=1<<hr;
3306 if(offset||s<0||c) addr=temp2;
3309 c=(i_regs->wasconst>>s)&1;
3311 memtarget=((signed int)(constmap[i][s]+offset))<(signed int)0x80000000+RAM_SIZE;
3316 map=get_reg(i_regs->regmap,ROREG);
3317 if(map<0) emit_loadreg(ROREG,map=HOST_TEMPREG);
3319 emit_shlimm(addr,3,temp);
3320 if (opcode[i]==0x22||opcode[i]==0x26) {
3321 emit_andimm(addr,0xFFFFFFFC,temp2); // LWL/LWR
3323 emit_andimm(addr,0xFFFFFFF8,temp2); // LDL/LDR
3325 jaddr=emit_fastpath_cmp_jump(i,temp2,&fastload_reg_override);
3328 if(ram_offset&&memtarget) {
3329 emit_addimm(temp2,ram_offset,HOST_TEMPREG);
3330 fastload_reg_override=HOST_TEMPREG;
3332 if (opcode[i]==0x22||opcode[i]==0x26) {
3333 emit_movimm(((constmap[i][s]+offset)<<3)&24,temp); // LWL/LWR
3335 emit_movimm(((constmap[i][s]+offset)<<3)&56,temp); // LDL/LDR
3338 if (opcode[i]==0x22||opcode[i]==0x26) { // LWL/LWR
3341 if(fastload_reg_override) a=fastload_reg_override;
3342 //emit_readword_indexed((int)rdram-0x80000000,temp2,temp2);
3343 emit_readword_indexed_tlb(0,a,map,temp2);
3344 if(jaddr) add_stub(LOADW_STUB,jaddr,(int)out,i,temp2,(int)i_regs,ccadj[i],reglist);
3347 inline_readstub(LOADW_STUB,i,(constmap[i][s]+offset)&0xFFFFFFFC,i_regs->regmap,FTEMP,ccadj[i],reglist);
3350 emit_andimm(temp,24,temp);
3351 #ifdef BIG_ENDIAN_MIPS
3352 if (opcode[i]==0x26) // LWR
3354 if (opcode[i]==0x22) // LWL
3356 emit_xorimm(temp,24,temp);
3357 emit_movimm(-1,HOST_TEMPREG);
3358 if (opcode[i]==0x26) {
3359 emit_shr(temp2,temp,temp2);
3360 emit_bic_lsr(tl,HOST_TEMPREG,temp,tl);
3362 emit_shl(temp2,temp,temp2);
3363 emit_bic_lsl(tl,HOST_TEMPREG,temp,tl);
3365 emit_or(temp2,tl,tl);
3367 //emit_storereg(rt1[i],tl); // DEBUG
3369 if (opcode[i]==0x1A||opcode[i]==0x1B) { // LDL/LDR
3370 // FIXME: little endian, fastload_reg_override
3371 int temp2h=get_reg(i_regs->regmap,FTEMP|64);
3373 //if(th>=0) emit_readword_indexed((int)rdram-0x80000000,temp2,temp2h);
3374 //emit_readword_indexed((int)rdram-0x7FFFFFFC,temp2,temp2);
3375 emit_readdword_indexed_tlb(0,temp2,map,temp2h,temp2);
3376 if(jaddr) add_stub(LOADD_STUB,jaddr,(int)out,i,temp2,(int)i_regs,ccadj[i],reglist);
3379 inline_readstub(LOADD_STUB,i,(constmap[i][s]+offset)&0xFFFFFFF8,i_regs->regmap,FTEMP,ccadj[i],reglist);
3383 emit_testimm(temp,32);
3384 emit_andimm(temp,24,temp);
3385 if (opcode[i]==0x1A) { // LDL
3386 emit_rsbimm(temp,32,HOST_TEMPREG);
3387 emit_shl(temp2h,temp,temp2h);
3388 emit_orrshr(temp2,HOST_TEMPREG,temp2h);
3389 emit_movimm(-1,HOST_TEMPREG);
3390 emit_shl(temp2,temp,temp2);
3391 emit_cmove_reg(temp2h,th);
3392 emit_biceq_lsl(tl,HOST_TEMPREG,temp,tl);
3393 emit_bicne_lsl(th,HOST_TEMPREG,temp,th);
3394 emit_orreq(temp2,tl,tl);
3395 emit_orrne(temp2,th,th);
3397 if (opcode[i]==0x1B) { // LDR
3398 emit_xorimm(temp,24,temp);
3399 emit_rsbimm(temp,32,HOST_TEMPREG);
3400 emit_shr(temp2,temp,temp2);
3401 emit_orrshl(temp2h,HOST_TEMPREG,temp2);
3402 emit_movimm(-1,HOST_TEMPREG);
3403 emit_shr(temp2h,temp,temp2h);
3404 emit_cmovne_reg(temp2,tl);
3405 emit_bicne_lsr(th,HOST_TEMPREG,temp,th);
3406 emit_biceq_lsr(tl,HOST_TEMPREG,temp,tl);
3407 emit_orrne(temp2h,th,th);
3408 emit_orreq(temp2h,tl,tl);
3413 #define loadlr_assemble loadlr_assemble_arm
3415 static void cop0_assemble(int i,struct regstat *i_regs)
3417 if(opcode2[i]==0) // MFC0
3419 signed char t=get_reg(i_regs->regmap,rt1[i]);
3420 char copr=(source[i]>>11)&0x1f;
3421 //assert(t>=0); // Why does this happen? OOT is weird
3422 if(t>=0&&rt1[i]!=0) {
3423 emit_readword((int)®_cop0+copr*4,t);
3426 else if(opcode2[i]==4) // MTC0
3428 signed char s=get_reg(i_regs->regmap,rs1[i]);
3429 char copr=(source[i]>>11)&0x1f;
3431 wb_register(rs1[i],i_regs->regmap,i_regs->dirty,i_regs->is32);
3432 if(copr==9||copr==11||copr==12||copr==13) {
3433 emit_readword((int)&last_count,HOST_TEMPREG);
3434 emit_loadreg(CCREG,HOST_CCREG); // TODO: do proper reg alloc
3435 emit_add(HOST_CCREG,HOST_TEMPREG,HOST_CCREG);
3436 emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]),HOST_CCREG);
3437 emit_writeword(HOST_CCREG,(int)&Count);
3439 // What a mess. The status register (12) can enable interrupts,
3440 // so needs a special case to handle a pending interrupt.
3441 // The interrupt must be taken immediately, because a subsequent
3442 // instruction might disable interrupts again.
3443 if(copr==12||copr==13) {
3445 // burn cycles to cause cc_interrupt, which will
3446 // reschedule next_interupt. Relies on CCREG from above.
3447 assem_debug("MTC0 DS %d\n", copr);
3448 emit_writeword(HOST_CCREG,(int)&last_count);
3449 emit_movimm(0,HOST_CCREG);
3450 emit_storereg(CCREG,HOST_CCREG);
3451 emit_loadreg(rs1[i],1);
3452 emit_movimm(copr,0);
3453 emit_call((int)pcsx_mtc0_ds);
3454 emit_loadreg(rs1[i],s);
3457 emit_movimm(start+i*4+4,HOST_TEMPREG);
3458 emit_writeword(HOST_TEMPREG,(int)&pcaddr);
3459 emit_movimm(0,HOST_TEMPREG);
3460 emit_writeword(HOST_TEMPREG,(int)&pending_exception);
3462 //else if(copr==12&&is_delayslot) emit_call((int)MTC0_R12);
3465 emit_loadreg(rs1[i],1);
3468 emit_movimm(copr,0);
3469 emit_call((int)pcsx_mtc0);
3470 if(copr==9||copr==11||copr==12||copr==13) {
3471 emit_readword((int)&Count,HOST_CCREG);
3472 emit_readword((int)&next_interupt,HOST_TEMPREG);
3473 emit_addimm(HOST_CCREG,-CLOCK_ADJUST(ccadj[i]),HOST_CCREG);
3474 emit_sub(HOST_CCREG,HOST_TEMPREG,HOST_CCREG);
3475 emit_writeword(HOST_TEMPREG,(int)&last_count);
3476 emit_storereg(CCREG,HOST_CCREG);
3478 if(copr==12||copr==13) {
3479 assert(!is_delayslot);
3480 emit_readword((int)&pending_exception,14);
3482 emit_jne((int)&do_interrupt);
3484 emit_loadreg(rs1[i],s);
3485 if(get_reg(i_regs->regmap,rs1[i]|64)>=0)
3486 emit_loadreg(rs1[i]|64,get_reg(i_regs->regmap,rs1[i]|64));
3491 assert(opcode2[i]==0x10);
3492 if((source[i]&0x3f)==0x10) // RFE
3494 emit_readword((int)&Status,0);
3495 emit_andimm(0,0x3c,1);
3496 emit_andimm(0,~0xf,0);
3497 emit_orrshr_imm(1,2,0);
3498 emit_writeword(0,(int)&Status);
3503 static void cop2_get_dreg(u_int copr,signed char tl,signed char temp)
3513 emit_readword((int)®_cop2d[copr],tl);
3514 emit_signextend16(tl,tl);
3515 emit_writeword(tl,(int)®_cop2d[copr]); // hmh
3522 emit_readword((int)®_cop2d[copr],tl);
3523 emit_andimm(tl,0xffff,tl);
3524 emit_writeword(tl,(int)®_cop2d[copr]);
3527 emit_readword((int)®_cop2d[14],tl); // SXY2
3528 emit_writeword(tl,(int)®_cop2d[copr]);
3532 emit_readword((int)®_cop2d[9],temp);
3533 emit_testimm(temp,0x8000); // do we need this?
3534 emit_andimm(temp,0xf80,temp);
3535 emit_andne_imm(temp,0,temp);
3536 emit_shrimm(temp,7,tl);
3537 emit_readword((int)®_cop2d[10],temp);
3538 emit_testimm(temp,0x8000);
3539 emit_andimm(temp,0xf80,temp);
3540 emit_andne_imm(temp,0,temp);
3541 emit_orrshr_imm(temp,2,tl);
3542 emit_readword((int)®_cop2d[11],temp);
3543 emit_testimm(temp,0x8000);
3544 emit_andimm(temp,0xf80,temp);
3545 emit_andne_imm(temp,0,temp);
3546 emit_orrshl_imm(temp,3,tl);
3547 emit_writeword(tl,(int)®_cop2d[copr]);
3550 emit_readword((int)®_cop2d[copr],tl);
3555 static void cop2_put_dreg(u_int copr,signed char sl,signed char temp)
3559 emit_readword((int)®_cop2d[13],temp); // SXY1
3560 emit_writeword(sl,(int)®_cop2d[copr]);
3561 emit_writeword(temp,(int)®_cop2d[12]); // SXY0
3562 emit_readword((int)®_cop2d[14],temp); // SXY2
3563 emit_writeword(sl,(int)®_cop2d[14]);
3564 emit_writeword(temp,(int)®_cop2d[13]); // SXY1
3567 emit_andimm(sl,0x001f,temp);
3568 emit_shlimm(temp,7,temp);
3569 emit_writeword(temp,(int)®_cop2d[9]);
3570 emit_andimm(sl,0x03e0,temp);
3571 emit_shlimm(temp,2,temp);
3572 emit_writeword(temp,(int)®_cop2d[10]);
3573 emit_andimm(sl,0x7c00,temp);
3574 emit_shrimm(temp,3,temp);
3575 emit_writeword(temp,(int)®_cop2d[11]);
3576 emit_writeword(sl,(int)®_cop2d[28]);
3580 emit_mvnmi(temp,temp);
3582 emit_clz(temp,temp);
3584 emit_movs(temp,HOST_TEMPREG);
3585 emit_movimm(0,temp);
3586 emit_jeq((int)out+4*4);
3587 emit_addpl_imm(temp,1,temp);
3588 emit_lslpls_imm(HOST_TEMPREG,1,HOST_TEMPREG);
3589 emit_jns((int)out-2*4);
3591 emit_writeword(sl,(int)®_cop2d[30]);
3592 emit_writeword(temp,(int)®_cop2d[31]);
3597 emit_writeword(sl,(int)®_cop2d[copr]);
3602 static void cop2_assemble(int i,struct regstat *i_regs)
3604 u_int copr=(source[i]>>11)&0x1f;
3605 signed char temp=get_reg(i_regs->regmap,-1);
3606 if (opcode2[i]==0) { // MFC2
3607 signed char tl=get_reg(i_regs->regmap,rt1[i]);
3608 if(tl>=0&&rt1[i]!=0)
3609 cop2_get_dreg(copr,tl,temp);
3611 else if (opcode2[i]==4) { // MTC2
3612 signed char sl=get_reg(i_regs->regmap,rs1[i]);
3613 cop2_put_dreg(copr,sl,temp);
3615 else if (opcode2[i]==2) // CFC2
3617 signed char tl=get_reg(i_regs->regmap,rt1[i]);
3618 if(tl>=0&&rt1[i]!=0)
3619 emit_readword((int)®_cop2c[copr],tl);
3621 else if (opcode2[i]==6) // CTC2
3623 signed char sl=get_reg(i_regs->regmap,rs1[i]);
3632 emit_signextend16(sl,temp);
3635 //value = value & 0x7ffff000;
3636 //if (value & 0x7f87e000) value |= 0x80000000;
3637 emit_shrimm(sl,12,temp);
3638 emit_shlimm(temp,12,temp);
3639 emit_testimm(temp,0x7f000000);
3640 emit_testeqimm(temp,0x00870000);
3641 emit_testeqimm(temp,0x0000e000);
3642 emit_orrne_imm(temp,0x80000000,temp);
3648 emit_writeword(temp,(int)®_cop2c[copr]);
3653 static void c2op_prologue(u_int op,u_int reglist)
3655 save_regs_all(reglist);
3658 emit_call((int)pcnt_gte_start);
3660 emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0); // cop2 regs
3663 static void c2op_epilogue(u_int op,u_int reglist)
3667 emit_call((int)pcnt_gte_end);
3669 restore_regs_all(reglist);
3672 static void c2op_call_MACtoIR(int lm,int need_flags)
3675 emit_call((int)(lm?gteMACtoIR_lm1:gteMACtoIR_lm0));
3677 emit_call((int)(lm?gteMACtoIR_lm1_nf:gteMACtoIR_lm0_nf));
3680 static void c2op_call_rgb_func(void *func,int lm,int need_ir,int need_flags)
3682 emit_call((int)func);
3683 // func is C code and trashes r0
3684 emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0);
3685 if(need_flags||need_ir)
3686 c2op_call_MACtoIR(lm,need_flags);
3687 emit_call((int)(need_flags?gteMACtoRGB:gteMACtoRGB_nf));
3690 static void c2op_assemble(int i,struct regstat *i_regs)
3692 u_int c2op=source[i]&0x3f;
3693 u_int hr,reglist_full=0,reglist;
3694 int need_flags,need_ir;
3695 for(hr=0;hr<HOST_REGS;hr++) {
3696 if(i_regs->regmap[hr]>=0) reglist_full|=1<<hr;
3698 reglist=reglist_full&CALLER_SAVE_REGS;
3700 if (gte_handlers[c2op]!=NULL) {
3701 need_flags=!(gte_unneeded[i+1]>>63); // +1 because of how liveness detection works
3702 need_ir=(gte_unneeded[i+1]&0xe00)!=0xe00;
3703 assem_debug("gte op %08x, unneeded %016llx, need_flags %d, need_ir %d\n",
3704 source[i],gte_unneeded[i+1],need_flags,need_ir);
3705 if(new_dynarec_hacks&NDHACK_GTE_NO_FLAGS)
3707 int shift = (source[i] >> 19) & 1;
3708 int lm = (source[i] >> 10) & 1;
3713 int v = (source[i] >> 15) & 3;
3714 int cv = (source[i] >> 13) & 3;
3715 int mx = (source[i] >> 17) & 3;
3716 reglist=reglist_full&(CALLER_SAVE_REGS|0xf0); // +{r4-r7}
3717 c2op_prologue(c2op,reglist);
3718 /* r4,r5 = VXYZ(v) packed; r6 = &MX11(mx); r7 = &CV1(cv) */
3722 emit_movzwl_indexed(9*4,0,4); // gteIR
3723 emit_movzwl_indexed(10*4,0,6);
3724 emit_movzwl_indexed(11*4,0,5);
3725 emit_orrshl_imm(6,16,4);
3728 emit_addimm(0,32*4+mx*8*4,6);
3730 emit_readword((int)&zeromem_ptr,6);
3732 emit_addimm(0,32*4+(cv*8+5)*4,7);
3734 emit_readword((int)&zeromem_ptr,7);
3736 emit_movimm(source[i],1); // opcode
3737 emit_call((int)gteMVMVA_part_neon);
3740 emit_call((int)gteMACtoIR_flags_neon);
3744 emit_call((int)gteMVMVA_part_cv3sh12_arm);
3746 emit_movimm(shift,1);
3747 emit_call((int)(need_flags?gteMVMVA_part_arm:gteMVMVA_part_nf_arm));
3749 if(need_flags||need_ir)
3750 c2op_call_MACtoIR(lm,need_flags);
3752 #else /* if not HAVE_ARMV5 */
3753 c2op_prologue(c2op,reglist);
3754 emit_movimm(source[i],1); // opcode
3755 emit_writeword(1,(int)&psxRegs.code);
3756 emit_call((int)(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]));
3761 c2op_prologue(c2op,reglist);
3762 emit_call((int)(shift?gteOP_part_shift:gteOP_part_noshift));
3763 if(need_flags||need_ir) {
3764 emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0);
3765 c2op_call_MACtoIR(lm,need_flags);
3769 c2op_prologue(c2op,reglist);
3770 c2op_call_rgb_func(shift?gteDPCS_part_shift:gteDPCS_part_noshift,lm,need_ir,need_flags);
3773 c2op_prologue(c2op,reglist);
3774 c2op_call_rgb_func(shift?gteINTPL_part_shift:gteINTPL_part_noshift,lm,need_ir,need_flags);
3777 c2op_prologue(c2op,reglist);
3778 emit_call((int)(shift?gteSQR_part_shift:gteSQR_part_noshift));
3779 if(need_flags||need_ir) {
3780 emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0);
3781 c2op_call_MACtoIR(lm,need_flags);
3785 c2op_prologue(c2op,reglist);
3786 c2op_call_rgb_func(gteDCPL_part,lm,need_ir,need_flags);
3789 c2op_prologue(c2op,reglist);
3790 c2op_call_rgb_func(shift?gteGPF_part_shift:gteGPF_part_noshift,lm,need_ir,need_flags);
3793 c2op_prologue(c2op,reglist);
3794 c2op_call_rgb_func(shift?gteGPL_part_shift:gteGPL_part_noshift,lm,need_ir,need_flags);
3798 c2op_prologue(c2op,reglist);
3800 emit_movimm(source[i],1); // opcode
3801 emit_writeword(1,(int)&psxRegs.code);
3803 emit_call((int)(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]));
3806 c2op_epilogue(c2op,reglist);
3810 static void cop1_unusable(int i,struct regstat *i_regs)
3812 // XXX: should just just do the exception instead
3816 add_stub(FP_STUB,jaddr,(int)out,i,0,(int)i_regs,is_delayslot,0);
3821 static void cop1_assemble(int i,struct regstat *i_regs)
3823 cop1_unusable(i, i_regs);
3826 static void fconv_assemble_arm(int i,struct regstat *i_regs)
3828 cop1_unusable(i, i_regs);
3830 #define fconv_assemble fconv_assemble_arm
3832 static void fcomp_assemble(int i,struct regstat *i_regs)
3834 cop1_unusable(i, i_regs);
3837 static void float_assemble(int i,struct regstat *i_regs)
3839 cop1_unusable(i, i_regs);
3842 static void multdiv_assemble_arm(int i,struct regstat *i_regs)
3849 // case 0x1D: DMULTU
3854 if((opcode2[i]&4)==0) // 32-bit
3856 if(opcode2[i]==0x18) // MULT
3858 signed char m1=get_reg(i_regs->regmap,rs1[i]);
3859 signed char m2=get_reg(i_regs->regmap,rs2[i]);
3860 signed char hi=get_reg(i_regs->regmap,HIREG);
3861 signed char lo=get_reg(i_regs->regmap,LOREG);
3866 emit_smull(m1,m2,hi,lo);
3868 if(opcode2[i]==0x19) // MULTU
3870 signed char m1=get_reg(i_regs->regmap,rs1[i]);
3871 signed char m2=get_reg(i_regs->regmap,rs2[i]);
3872 signed char hi=get_reg(i_regs->regmap,HIREG);
3873 signed char lo=get_reg(i_regs->regmap,LOREG);
3878 emit_umull(m1,m2,hi,lo);
3880 if(opcode2[i]==0x1A) // DIV
3882 signed char d1=get_reg(i_regs->regmap,rs1[i]);
3883 signed char d2=get_reg(i_regs->regmap,rs2[i]);
3886 signed char quotient=get_reg(i_regs->regmap,LOREG);
3887 signed char remainder=get_reg(i_regs->regmap,HIREG);
3888 assert(quotient>=0);
3889 assert(remainder>=0);
3890 emit_movs(d1,remainder);
3891 emit_movimm(0xffffffff,quotient);
3892 emit_negmi(quotient,quotient); // .. quotient and ..
3893 emit_negmi(remainder,remainder); // .. remainder for div0 case (will be negated back after jump)
3894 emit_movs(d2,HOST_TEMPREG);
3895 emit_jeq((int)out+52); // Division by zero
3896 emit_negsmi(HOST_TEMPREG,HOST_TEMPREG);
3898 emit_clz(HOST_TEMPREG,quotient);
3899 emit_shl(HOST_TEMPREG,quotient,HOST_TEMPREG);
3901 emit_movimm(0,quotient);
3902 emit_addpl_imm(quotient,1,quotient);
3903 emit_lslpls_imm(HOST_TEMPREG,1,HOST_TEMPREG);
3904 emit_jns((int)out-2*4);
3906 emit_orimm(quotient,1<<31,quotient);
3907 emit_shr(quotient,quotient,quotient);
3908 emit_cmp(remainder,HOST_TEMPREG);
3909 emit_subcs(remainder,HOST_TEMPREG,remainder);
3910 emit_adcs(quotient,quotient,quotient);
3911 emit_shrimm(HOST_TEMPREG,1,HOST_TEMPREG);
3912 emit_jcc((int)out-16); // -4
3914 emit_negmi(quotient,quotient);
3916 emit_negmi(remainder,remainder);
3918 if(opcode2[i]==0x1B) // DIVU
3920 signed char d1=get_reg(i_regs->regmap,rs1[i]); // dividend
3921 signed char d2=get_reg(i_regs->regmap,rs2[i]); // divisor
3924 signed char quotient=get_reg(i_regs->regmap,LOREG);
3925 signed char remainder=get_reg(i_regs->regmap,HIREG);
3926 assert(quotient>=0);
3927 assert(remainder>=0);
3928 emit_mov(d1,remainder);
3929 emit_movimm(0xffffffff,quotient); // div0 case
3931 emit_jeq((int)out+40); // Division by zero
3933 emit_clz(d2,HOST_TEMPREG);
3934 emit_movimm(1<<31,quotient);
3935 emit_shl(d2,HOST_TEMPREG,d2);
3937 emit_movimm(0,HOST_TEMPREG);
3938 emit_addpl_imm(HOST_TEMPREG,1,HOST_TEMPREG);
3939 emit_lslpls_imm(d2,1,d2);
3940 emit_jns((int)out-2*4);
3941 emit_movimm(1<<31,quotient);
3943 emit_shr(quotient,HOST_TEMPREG,quotient);
3944 emit_cmp(remainder,d2);
3945 emit_subcs(remainder,d2,remainder);
3946 emit_adcs(quotient,quotient,quotient);
3947 emit_shrcc_imm(d2,1,d2);
3948 emit_jcc((int)out-16); // -4
3956 // Multiply by zero is zero.
3957 // MIPS does not have a divide by zero exception.
3958 // The result is undefined, we return zero.
3959 signed char hr=get_reg(i_regs->regmap,HIREG);
3960 signed char lr=get_reg(i_regs->regmap,LOREG);
3961 if(hr>=0) emit_zeroreg(hr);
3962 if(lr>=0) emit_zeroreg(lr);
3965 #define multdiv_assemble multdiv_assemble_arm
3967 static void do_preload_rhash(int r) {
3968 // Don't need this for ARM. On x86, this puts the value 0xf8 into the
3969 // register. On ARM the hash can be done with a single instruction (below)
3972 static void do_preload_rhtbl(int ht) {
3973 emit_addimm(FP,(int)&mini_ht-(int)&dynarec_local,ht);
3976 static void do_rhash(int rs,int rh) {
3977 emit_andimm(rs,0xf8,rh);
3980 static void do_miniht_load(int ht,int rh) {
3981 assem_debug("ldr %s,[%s,%s]!\n",regname[rh],regname[ht],regname[rh]);
3982 output_w32(0xe7b00000|rd_rn_rm(rh,ht,rh));
3985 static void do_miniht_jump(int rs,int rh,int ht) {
3987 emit_ldreq_indexed(ht,4,15);
3988 #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
3990 emit_jmp(jump_vaddr_reg[7]);
3992 emit_jmp(jump_vaddr_reg[rs]);
3996 static void do_miniht_insert(u_int return_address,int rt,int temp) {
3998 emit_movimm(return_address,rt); // PC into link register
3999 add_to_linker((int)out,return_address,1);
4000 emit_pcreladdr(temp);
4001 emit_writeword(rt,(int)&mini_ht[(return_address&0xFF)>>3][0]);
4002 emit_writeword(temp,(int)&mini_ht[(return_address&0xFF)>>3][1]);
4004 emit_movw(return_address&0x0000FFFF,rt);
4005 add_to_linker((int)out,return_address,1);
4006 emit_pcreladdr(temp);
4007 emit_writeword(temp,(int)&mini_ht[(return_address&0xFF)>>3][1]);
4008 emit_movt(return_address&0xFFFF0000,rt);
4009 emit_writeword(rt,(int)&mini_ht[(return_address&0xFF)>>3][0]);
4013 static void 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)
4015 //if(dirty_pre==dirty) return;
4017 for(hr=0;hr<HOST_REGS;hr++) {
4018 if(hr!=EXCLUDE_REG) {
4020 if(((~u)>>(reg&63))&1) {
4022 if(((dirty_pre&~dirty)>>hr)&1) {
4024 emit_storereg(reg,hr);
4025 if( ((is32_pre&~uu)>>reg)&1 ) {
4026 emit_sarimm(hr,31,HOST_TEMPREG);
4027 emit_storereg(reg|64,HOST_TEMPREG);
4031 emit_storereg(reg,hr);
4041 /* using strd could possibly help but you'd have to allocate registers in pairs
4042 static void wb_invalidate_arm(signed char pre[],signed char entry[],uint64_t dirty,uint64_t is32,uint64_t u,uint64_t uu)
4046 for(hr=HOST_REGS-1;hr>=0;hr--) {
4047 if(hr!=EXCLUDE_REG) {
4048 if(pre[hr]!=entry[hr]) {
4051 if(get_reg(entry,pre[hr])<0) {
4053 if(!((u>>pre[hr])&1)) {
4054 if(hr<10&&(~hr&1)&&(pre[hr+1]<0||wrote==hr+1)) {
4055 if( ((is32>>pre[hr])&1) && !((uu>>pre[hr])&1) ) {
4056 emit_sarimm(hr,31,hr+1);
4057 emit_strdreg(pre[hr],hr);
4060 emit_storereg(pre[hr],hr);
4062 emit_storereg(pre[hr],hr);
4063 if( ((is32>>pre[hr])&1) && !((uu>>pre[hr])&1) ) {
4064 emit_sarimm(hr,31,hr);
4065 emit_storereg(pre[hr]|64,hr);
4070 if(!((uu>>(pre[hr]&63))&1) && !((is32>>(pre[hr]&63))&1)) {
4071 emit_storereg(pre[hr],hr);
4081 for(hr=0;hr<HOST_REGS;hr++) {
4082 if(hr!=EXCLUDE_REG) {
4083 if(pre[hr]!=entry[hr]) {
4086 if((nr=get_reg(entry,pre[hr]))>=0) {
4094 #define wb_invalidate wb_invalidate_arm
4097 // Clearing the cache is rather slow on ARM Linux, so mark the areas
4098 // that need to be cleared, and then only clear these areas once.
4099 static void do_clear_cache()
4102 for (i=0;i<(1<<(TARGET_SIZE_2-17));i++)
4104 u_int bitmap=needs_clear_cache[i];
4110 start=(u_int)BASE_ADDR+i*131072+j*4096;
4118 __clear_cache((void *)start,(void *)end);
4124 needs_clear_cache[i]=0;
4129 // CPU-architecture-specific initialization
4130 static void arch_init() {
4133 // vim:shiftwidth=2:expandtab