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"
31 #if defined(BASE_ADDR_FIXED)
32 #elif defined(BASE_ADDR_DYNAMIC)
33 u_char *translation_cache;
35 u_char translation_cache[1 << TARGET_SIZE_2] __attribute__((aligned(4096)));
39 #define CALLER_SAVE_REGS 0x100f
41 #define CALLER_SAVE_REGS 0x120f
44 #define unused __attribute__((unused))
47 #pragma GCC diagnostic ignored "-Wunused-function"
48 #pragma GCC diagnostic ignored "-Wunused-variable"
49 #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
52 void indirect_jump_indexed();
65 void jump_vaddr_r10();
66 void jump_vaddr_r12();
68 void * const jump_vaddr_reg[16] = {
87 void invalidate_addr_r0();
88 void invalidate_addr_r1();
89 void invalidate_addr_r2();
90 void invalidate_addr_r3();
91 void invalidate_addr_r4();
92 void invalidate_addr_r5();
93 void invalidate_addr_r6();
94 void invalidate_addr_r7();
95 void invalidate_addr_r8();
96 void invalidate_addr_r9();
97 void invalidate_addr_r10();
98 void invalidate_addr_r12();
100 const u_int invalidate_addr_reg[16] = {
101 (int)invalidate_addr_r0,
102 (int)invalidate_addr_r1,
103 (int)invalidate_addr_r2,
104 (int)invalidate_addr_r3,
105 (int)invalidate_addr_r4,
106 (int)invalidate_addr_r5,
107 (int)invalidate_addr_r6,
108 (int)invalidate_addr_r7,
109 (int)invalidate_addr_r8,
110 (int)invalidate_addr_r9,
111 (int)invalidate_addr_r10,
113 (int)invalidate_addr_r12,
118 static u_int needs_clear_cache[1<<(TARGET_SIZE_2-17)];
122 static void set_jump_target(void *addr, void *target_)
124 u_int target = (u_int)target_;
126 u_int *ptr2=(u_int *)ptr;
128 assert((target-(u_int)ptr2-8)<1024);
129 assert(((uintptr_t)addr&3)==0);
130 assert((target&3)==0);
131 *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>2)|0xF00;
132 //printf("target=%x addr=%p insn=%x\n",target,addr,*ptr2);
134 else if(ptr[3]==0x72) {
135 // generated by emit_jno_unlikely
136 if((target-(u_int)ptr2-8)<1024) {
137 assert(((uintptr_t)addr&3)==0);
138 assert((target&3)==0);
139 *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>2)|0xF00;
141 else if((target-(u_int)ptr2-8)<4096&&!((target-(u_int)ptr2-8)&15)) {
142 assert(((uintptr_t)addr&3)==0);
143 assert((target&3)==0);
144 *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>4)|0xE00;
146 else *ptr2=(0x7A000000)|(((target-(u_int)ptr2-8)<<6)>>8);
149 assert((ptr[3]&0x0e)==0xa);
150 *ptr2=(*ptr2&0xFF000000)|(((target-(u_int)ptr2-8)<<6)>>8);
154 // This optionally copies the instruction from the target of the branch into
155 // the space before the branch. Works, but the difference in speed is
156 // usually insignificant.
158 static void set_jump_target_fillslot(int addr,u_int target,int copy)
160 u_char *ptr=(u_char *)addr;
161 u_int *ptr2=(u_int *)ptr;
162 assert(!copy||ptr2[-1]==0xe28dd000);
165 assert((target-(u_int)ptr2-8)<4096);
166 *ptr2=(*ptr2&0xFFFFF000)|(target-(u_int)ptr2-8);
169 assert((ptr[3]&0x0e)==0xa);
170 u_int target_insn=*(u_int *)target;
171 if((target_insn&0x0e100000)==0) { // ALU, no immediate, no flags
174 if((target_insn&0x0c100000)==0x04100000) { // Load
177 if(target_insn&0x08000000) {
181 ptr2[-1]=target_insn;
184 *ptr2=(*ptr2&0xFF000000)|(((target-(u_int)ptr2-8)<<6)>>8);
190 static void add_literal(int addr,int val)
192 assert(literalcount<sizeof(literals)/sizeof(literals[0]));
193 literals[literalcount][0]=addr;
194 literals[literalcount][1]=val;
198 // from a pointer to external jump stub (which was produced by emit_extjump2)
199 // find where the jumping insn is
200 static void *find_extjump_insn(void *stub)
202 int *ptr=(int *)(stub+4);
203 assert((*ptr&0x0fff0000)==0x059f0000); // ldr rx, [pc, #ofs]
204 u_int offset=*ptr&0xfff;
205 void **l_ptr=(void *)ptr+offset+8;
209 // find where external branch is liked to using addr of it's stub:
210 // get address that insn one after stub loads (dyna_linker arg1),
211 // treat it as a pointer to branch insn,
212 // return addr where that branch jumps to
213 static void *get_pointer(void *stub)
215 //printf("get_pointer(%x)\n",(int)stub);
216 int *i_ptr=find_extjump_insn(stub);
217 assert((*i_ptr&0x0f000000)==0x0a000000);
218 return (u_char *)i_ptr+((*i_ptr<<8)>>6)+8;
221 // Find the "clean" entry point from a "dirty" entry point
222 // by skipping past the call to verify_code
223 static void *get_clean_addr(void *addr)
225 signed int *ptr = addr;
231 if((*ptr&0xFF000000)!=0xeb000000) ptr++;
232 assert((*ptr&0xFF000000)==0xeb000000); // bl instruction
234 if((*ptr&0xFF000000)==0xea000000) {
235 return (char *)ptr+((*ptr<<8)>>6)+8; // follow jump
240 static int verify_dirty(const u_int *ptr)
244 // get from literal pool
245 assert((*ptr&0xFFFF0000)==0xe59f0000);
247 u_int source=*(u_int*)((void *)ptr+offset+8);
249 assert((*ptr&0xFFFF0000)==0xe59f0000);
251 u_int copy=*(u_int*)((void *)ptr+offset+8);
253 assert((*ptr&0xFFFF0000)==0xe59f0000);
255 u_int len=*(u_int*)((void *)ptr+offset+8);
260 assert((*ptr&0xFFF00000)==0xe3000000);
261 u_int source=(ptr[0]&0xFFF)+((ptr[0]>>4)&0xF000)+((ptr[2]<<16)&0xFFF0000)+((ptr[2]<<12)&0xF0000000);
262 u_int copy=(ptr[1]&0xFFF)+((ptr[1]>>4)&0xF000)+((ptr[3]<<16)&0xFFF0000)+((ptr[3]<<12)&0xF0000000);
263 u_int len=(ptr[4]&0xFFF)+((ptr[4]>>4)&0xF000);
266 if((*ptr&0xFF000000)!=0xeb000000) ptr++;
267 assert((*ptr&0xFF000000)==0xeb000000); // bl instruction
268 //printf("verify_dirty: %x %x %x\n",source,copy,len);
269 return !memcmp((void *)source,(void *)copy,len);
272 // This doesn't necessarily find all clean entry points, just
273 // guarantees that it's not dirty
274 static int isclean(void *addr)
277 u_int *ptr=((u_int *)addr)+4;
279 u_int *ptr=((u_int *)addr)+6;
281 if((*ptr&0xFF000000)!=0xeb000000) ptr++;
282 if((*ptr&0xFF000000)!=0xeb000000) return 1; // bl instruction
283 if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code) return 0;
284 if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code_ds) return 0;
288 // get source that block at addr was compiled from (host pointers)
289 static void get_bounds(void *addr, u_char **start, u_char **end)
294 // get from literal pool
295 assert((*ptr&0xFFFF0000)==0xe59f0000);
297 u_int source=*(u_int*)((void *)ptr+offset+8);
299 //assert((*ptr&0xFFFF0000)==0xe59f0000);
301 //u_int copy=*(u_int*)((void *)ptr+offset+8);
303 assert((*ptr&0xFFFF0000)==0xe59f0000);
305 u_int len=*(u_int*)((void *)ptr+offset+8);
310 assert((*ptr&0xFFF00000)==0xe3000000);
311 u_int source=(ptr[0]&0xFFF)+((ptr[0]>>4)&0xF000)+((ptr[2]<<16)&0xFFF0000)+((ptr[2]<<12)&0xF0000000);
312 //u_int copy=(ptr[1]&0xFFF)+((ptr[1]>>4)&0xF000)+((ptr[3]<<16)&0xFFF0000)+((ptr[3]<<12)&0xF0000000);
313 u_int len=(ptr[4]&0xFFF)+((ptr[4]>>4)&0xF000);
316 if((*ptr&0xFF000000)!=0xeb000000) ptr++;
317 assert((*ptr&0xFF000000)==0xeb000000); // bl instruction
318 *start=(u_char *)source;
319 *end=(u_char *)source+len;
322 // Allocate a specific ARM register.
323 static void alloc_arm_reg(struct regstat *cur,int i,signed char reg,int hr)
328 // see if it's already allocated (and dealloc it)
329 for(n=0;n<HOST_REGS;n++)
331 if(n!=EXCLUDE_REG&&cur->regmap[n]==reg) {
332 dirty=(cur->dirty>>n)&1;
338 cur->dirty&=~(1<<hr);
339 cur->dirty|=dirty<<hr;
340 cur->isconst&=~(1<<hr);
343 // Alloc cycle count into dedicated register
344 static void alloc_cc(struct regstat *cur,int i)
346 alloc_arm_reg(cur,i,CCREG,HOST_CCREG);
351 static unused char regname[16][4] = {
369 static void output_w32(u_int word)
371 *((u_int *)out)=word;
375 static u_int rd_rn_rm(u_int rd, u_int rn, u_int rm)
380 return((rn<<16)|(rd<<12)|rm);
383 static u_int rd_rn_imm_shift(u_int rd, u_int rn, u_int imm, u_int shift)
388 assert((shift&1)==0);
389 return((rn<<16)|(rd<<12)|(((32-shift)&30)<<7)|imm);
392 static u_int genimm(u_int imm,u_int *encoded)
400 *encoded=((i&30)<<7)|imm;
403 imm=(imm>>2)|(imm<<30);i-=2;
408 static void genimm_checked(u_int imm,u_int *encoded)
410 u_int ret=genimm(imm,encoded);
415 static u_int genjmp(u_int addr)
417 if (addr < 3) return 0; // a branch that will be patched later
418 int offset = addr-(int)out-8;
419 if (offset < -33554432 || offset >= 33554432) {
420 SysPrintf("genjmp: out of range: %08x\n", offset);
424 return ((u_int)offset>>2)&0xffffff;
427 static unused void emit_breakpoint(void)
429 assem_debug("bkpt #0\n");
430 //output_w32(0xe1200070);
431 output_w32(0xe7f001f0);
434 static void emit_mov(int rs,int rt)
436 assem_debug("mov %s,%s\n",regname[rt],regname[rs]);
437 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs));
440 static void emit_movs(int rs,int rt)
442 assem_debug("movs %s,%s\n",regname[rt],regname[rs]);
443 output_w32(0xe1b00000|rd_rn_rm(rt,0,rs));
446 static void emit_add(int rs1,int rs2,int rt)
448 assem_debug("add %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
449 output_w32(0xe0800000|rd_rn_rm(rt,rs1,rs2));
452 static void emit_adcs(int rs1,int rs2,int rt)
454 assem_debug("adcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
455 output_w32(0xe0b00000|rd_rn_rm(rt,rs1,rs2));
458 static void emit_neg(int rs, int rt)
460 assem_debug("rsb %s,%s,#0\n",regname[rt],regname[rs]);
461 output_w32(0xe2600000|rd_rn_rm(rt,rs,0));
464 static void emit_sub(int rs1,int rs2,int rt)
466 assem_debug("sub %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
467 output_w32(0xe0400000|rd_rn_rm(rt,rs1,rs2));
470 static void emit_zeroreg(int rt)
472 assem_debug("mov %s,#0\n",regname[rt]);
473 output_w32(0xe3a00000|rd_rn_rm(rt,0,0));
476 static void emit_loadlp(u_int imm,u_int rt)
478 add_literal((int)out,imm);
479 assem_debug("ldr %s,pc+? [=%x]\n",regname[rt],imm);
480 output_w32(0xe5900000|rd_rn_rm(rt,15,0));
483 static void emit_movw(u_int imm,u_int rt)
486 assem_debug("movw %s,#%d (0x%x)\n",regname[rt],imm,imm);
487 output_w32(0xe3000000|rd_rn_rm(rt,0,0)|(imm&0xfff)|((imm<<4)&0xf0000));
490 static void emit_movt(u_int imm,u_int rt)
492 assem_debug("movt %s,#%d (0x%x)\n",regname[rt],imm&0xffff0000,imm&0xffff0000);
493 output_w32(0xe3400000|rd_rn_rm(rt,0,0)|((imm>>16)&0xfff)|((imm>>12)&0xf0000));
496 static void emit_movimm(u_int imm,u_int rt)
499 if(genimm(imm,&armval)) {
500 assem_debug("mov %s,#%d\n",regname[rt],imm);
501 output_w32(0xe3a00000|rd_rn_rm(rt,0,0)|armval);
502 }else if(genimm(~imm,&armval)) {
503 assem_debug("mvn %s,#%d\n",regname[rt],imm);
504 output_w32(0xe3e00000|rd_rn_rm(rt,0,0)|armval);
505 }else if(imm<65536) {
507 assem_debug("mov %s,#%d\n",regname[rt],imm&0xFF00);
508 output_w32(0xe3a00000|rd_rn_imm_shift(rt,0,imm>>8,8));
509 assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF);
510 output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm&0xff,0));
518 emit_movw(imm&0x0000FFFF,rt);
519 emit_movt(imm&0xFFFF0000,rt);
524 static void emit_pcreladdr(u_int rt)
526 assem_debug("add %s,pc,#?\n",regname[rt]);
527 output_w32(0xe2800000|rd_rn_rm(rt,15,0));
530 static void emit_loadreg(int r, int hr)
533 SysPrintf("64bit load in 32bit mode!\n");
540 int addr = (int)&psxRegs.GPR.r[r];
542 //case HIREG: addr = &hi; break;
543 //case LOREG: addr = &lo; break;
544 case CCREG: addr = (int)&cycle_count; break;
545 case CSREG: addr = (int)&Status; break;
546 case INVCP: addr = (int)&invc_ptr; break;
547 default: assert(r < 34); break;
549 u_int offset = addr-(u_int)&dynarec_local;
551 assem_debug("ldr %s,fp+%d\n",regname[hr],offset);
552 output_w32(0xe5900000|rd_rn_rm(hr,FP,0)|offset);
556 static void emit_storereg(int r, int hr)
559 SysPrintf("64bit store in 32bit mode!\n");
563 int addr = (int)&psxRegs.GPR.r[r];
565 //case HIREG: addr = &hi; break;
566 //case LOREG: addr = &lo; break;
567 case CCREG: addr = (int)&cycle_count; break;
568 default: assert(r < 34); break;
570 u_int offset = addr-(u_int)&dynarec_local;
572 assem_debug("str %s,fp+%d\n",regname[hr],offset);
573 output_w32(0xe5800000|rd_rn_rm(hr,FP,0)|offset);
576 static void emit_test(int rs, int rt)
578 assem_debug("tst %s,%s\n",regname[rs],regname[rt]);
579 output_w32(0xe1100000|rd_rn_rm(0,rs,rt));
582 static void emit_testimm(int rs,int imm)
585 assem_debug("tst %s,#%d\n",regname[rs],imm);
586 genimm_checked(imm,&armval);
587 output_w32(0xe3100000|rd_rn_rm(0,rs,0)|armval);
590 static void emit_testeqimm(int rs,int imm)
593 assem_debug("tsteq %s,$%d\n",regname[rs],imm);
594 genimm_checked(imm,&armval);
595 output_w32(0x03100000|rd_rn_rm(0,rs,0)|armval);
598 static void emit_not(int rs,int rt)
600 assem_debug("mvn %s,%s\n",regname[rt],regname[rs]);
601 output_w32(0xe1e00000|rd_rn_rm(rt,0,rs));
604 static void emit_and(u_int rs1,u_int rs2,u_int rt)
606 assem_debug("and %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
607 output_w32(0xe0000000|rd_rn_rm(rt,rs1,rs2));
610 static void emit_or(u_int rs1,u_int rs2,u_int rt)
612 assem_debug("orr %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
613 output_w32(0xe1800000|rd_rn_rm(rt,rs1,rs2));
616 static void emit_orrshl_imm(u_int rs,u_int imm,u_int rt)
621 assem_debug("orr %s,%s,%s,lsl #%d\n",regname[rt],regname[rt],regname[rs],imm);
622 output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|(imm<<7));
625 static void emit_orrshr_imm(u_int rs,u_int imm,u_int rt)
630 assem_debug("orr %s,%s,%s,lsr #%d\n",regname[rt],regname[rt],regname[rs],imm);
631 output_w32(0xe1800020|rd_rn_rm(rt,rt,rs)|(imm<<7));
634 static void emit_xor(u_int rs1,u_int rs2,u_int rt)
636 assem_debug("eor %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
637 output_w32(0xe0200000|rd_rn_rm(rt,rs1,rs2));
640 static void emit_xorsar_imm(u_int rs1,u_int rs2,u_int imm,u_int rt)
642 assem_debug("eor %s,%s,%s,asr #%d\n",regname[rt],regname[rs1],regname[rs2],imm);
643 output_w32(0xe0200040|rd_rn_rm(rt,rs1,rs2)|(imm<<7));
646 static void emit_addimm(u_int rs,int imm,u_int rt)
652 if(genimm(imm,&armval)) {
653 assem_debug("add %s,%s,#%d\n",regname[rt],regname[rs],imm);
654 output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval);
655 }else if(genimm(-imm,&armval)) {
656 assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],-imm);
657 output_w32(0xe2400000|rd_rn_rm(rt,rs,0)|armval);
659 }else if(rt!=rs&&(u_int)imm<65536) {
660 emit_movw(imm&0x0000ffff,rt);
662 }else if(rt!=rs&&(u_int)-imm<65536) {
663 emit_movw(-imm&0x0000ffff,rt);
666 }else if((u_int)-imm<65536) {
667 assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],(-imm)&0xFF00);
668 assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF);
669 output_w32(0xe2400000|rd_rn_imm_shift(rt,rs,(-imm)>>8,8));
670 output_w32(0xe2400000|rd_rn_imm_shift(rt,rt,(-imm)&0xff,0));
673 int shift = (ffs(imm) - 1) & ~1;
674 int imm8 = imm & (0xff << shift);
675 genimm_checked(imm8,&armval);
676 assem_debug("add %s,%s,#0x%x\n",regname[rt],regname[rs],imm8);
677 output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval);
684 else if(rs!=rt) emit_mov(rs,rt);
687 static void emit_addimm_and_set_flags(int imm,int rt)
689 assert(imm>-65536&&imm<65536);
691 if(genimm(imm,&armval)) {
692 assem_debug("adds %s,%s,#%d\n",regname[rt],regname[rt],imm);
693 output_w32(0xe2900000|rd_rn_rm(rt,rt,0)|armval);
694 }else if(genimm(-imm,&armval)) {
695 assem_debug("subs %s,%s,#%d\n",regname[rt],regname[rt],imm);
696 output_w32(0xe2500000|rd_rn_rm(rt,rt,0)|armval);
698 assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF00);
699 assem_debug("subs %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF);
700 output_w32(0xe2400000|rd_rn_imm_shift(rt,rt,(-imm)>>8,8));
701 output_w32(0xe2500000|rd_rn_imm_shift(rt,rt,(-imm)&0xff,0));
703 assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF00);
704 assem_debug("adds %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF);
705 output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm>>8,8));
706 output_w32(0xe2900000|rd_rn_imm_shift(rt,rt,imm&0xff,0));
710 static void emit_addimm_no_flags(u_int imm,u_int rt)
712 emit_addimm(rt,imm,rt);
715 static void emit_addnop(u_int r)
718 assem_debug("add %s,%s,#0 (nop)\n",regname[r],regname[r]);
719 output_w32(0xe2800000|rd_rn_rm(r,r,0));
722 static void emit_andimm(int rs,int imm,int rt)
727 }else if(genimm(imm,&armval)) {
728 assem_debug("and %s,%s,#%d\n",regname[rt],regname[rs],imm);
729 output_w32(0xe2000000|rd_rn_rm(rt,rs,0)|armval);
730 }else if(genimm(~imm,&armval)) {
731 assem_debug("bic %s,%s,#%d\n",regname[rt],regname[rs],imm);
732 output_w32(0xe3c00000|rd_rn_rm(rt,rs,0)|armval);
733 }else if(imm==65535) {
735 assem_debug("bic %s,%s,#FF000000\n",regname[rt],regname[rs]);
736 output_w32(0xe3c00000|rd_rn_rm(rt,rs,0)|0x4FF);
737 assem_debug("bic %s,%s,#00FF0000\n",regname[rt],regname[rt]);
738 output_w32(0xe3c00000|rd_rn_rm(rt,rt,0)|0x8FF);
740 assem_debug("uxth %s,%s\n",regname[rt],regname[rs]);
741 output_w32(0xe6ff0070|rd_rn_rm(rt,0,rs));
744 assert(imm>0&&imm<65535);
746 assem_debug("mov r14,#%d\n",imm&0xFF00);
747 output_w32(0xe3a00000|rd_rn_imm_shift(HOST_TEMPREG,0,imm>>8,8));
748 assem_debug("add r14,r14,#%d\n",imm&0xFF);
749 output_w32(0xe2800000|rd_rn_imm_shift(HOST_TEMPREG,HOST_TEMPREG,imm&0xff,0));
751 emit_movw(imm,HOST_TEMPREG);
753 assem_debug("and %s,%s,r14\n",regname[rt],regname[rs]);
754 output_w32(0xe0000000|rd_rn_rm(rt,rs,HOST_TEMPREG));
758 static void emit_orimm(int rs,int imm,int rt)
762 if(rs!=rt) emit_mov(rs,rt);
763 }else if(genimm(imm,&armval)) {
764 assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm);
765 output_w32(0xe3800000|rd_rn_rm(rt,rs,0)|armval);
767 assert(imm>0&&imm<65536);
768 assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00);
769 assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF);
770 output_w32(0xe3800000|rd_rn_imm_shift(rt,rs,imm>>8,8));
771 output_w32(0xe3800000|rd_rn_imm_shift(rt,rt,imm&0xff,0));
775 static void emit_xorimm(int rs,int imm,int rt)
779 if(rs!=rt) emit_mov(rs,rt);
780 }else if(genimm(imm,&armval)) {
781 assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm);
782 output_w32(0xe2200000|rd_rn_rm(rt,rs,0)|armval);
784 assert(imm>0&&imm<65536);
785 assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00);
786 assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF);
787 output_w32(0xe2200000|rd_rn_imm_shift(rt,rs,imm>>8,8));
788 output_w32(0xe2200000|rd_rn_imm_shift(rt,rt,imm&0xff,0));
792 static void emit_shlimm(int rs,u_int imm,int rt)
797 assem_debug("lsl %s,%s,#%d\n",regname[rt],regname[rs],imm);
798 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|(imm<<7));
801 static void emit_lsls_imm(int rs,int imm,int rt)
805 assem_debug("lsls %s,%s,#%d\n",regname[rt],regname[rs],imm);
806 output_w32(0xe1b00000|rd_rn_rm(rt,0,rs)|(imm<<7));
809 static unused void emit_lslpls_imm(int rs,int imm,int rt)
813 assem_debug("lslpls %s,%s,#%d\n",regname[rt],regname[rs],imm);
814 output_w32(0x51b00000|rd_rn_rm(rt,0,rs)|(imm<<7));
817 static void emit_shrimm(int rs,u_int imm,int rt)
821 assem_debug("lsr %s,%s,#%d\n",regname[rt],regname[rs],imm);
822 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7));
825 static void emit_sarimm(int rs,u_int imm,int rt)
829 assem_debug("asr %s,%s,#%d\n",regname[rt],regname[rs],imm);
830 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x40|(imm<<7));
833 static void emit_rorimm(int rs,u_int imm,int rt)
837 assem_debug("ror %s,%s,#%d\n",regname[rt],regname[rs],imm);
838 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x60|(imm<<7));
841 static void emit_signextend16(int rs,int rt)
844 emit_shlimm(rs,16,rt);
845 emit_sarimm(rt,16,rt);
847 assem_debug("sxth %s,%s\n",regname[rt],regname[rs]);
848 output_w32(0xe6bf0070|rd_rn_rm(rt,0,rs));
852 static void emit_signextend8(int rs,int rt)
855 emit_shlimm(rs,24,rt);
856 emit_sarimm(rt,24,rt);
858 assem_debug("sxtb %s,%s\n",regname[rt],regname[rs]);
859 output_w32(0xe6af0070|rd_rn_rm(rt,0,rs));
863 static void emit_shl(u_int rs,u_int shift,u_int rt)
869 assem_debug("lsl %s,%s,%s\n",regname[rt],regname[rs],regname[shift]);
870 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x10|(shift<<8));
873 static void emit_shr(u_int rs,u_int shift,u_int rt)
878 assem_debug("lsr %s,%s,%s\n",regname[rt],regname[rs],regname[shift]);
879 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x30|(shift<<8));
882 static void emit_sar(u_int rs,u_int shift,u_int rt)
887 assem_debug("asr %s,%s,%s\n",regname[rt],regname[rs],regname[shift]);
888 output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x50|(shift<<8));
891 static unused void emit_orrshl(u_int rs,u_int shift,u_int rt)
896 assem_debug("orr %s,%s,%s,lsl %s\n",regname[rt],regname[rt],regname[rs],regname[shift]);
897 output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|0x10|(shift<<8));
900 static unused void emit_orrshr(u_int rs,u_int shift,u_int rt)
905 assem_debug("orr %s,%s,%s,lsr %s\n",regname[rt],regname[rt],regname[rs],regname[shift]);
906 output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|0x30|(shift<<8));
909 static void emit_cmpimm(int rs,int imm)
912 if(genimm(imm,&armval)) {
913 assem_debug("cmp %s,#%d\n",regname[rs],imm);
914 output_w32(0xe3500000|rd_rn_rm(0,rs,0)|armval);
915 }else if(genimm(-imm,&armval)) {
916 assem_debug("cmn %s,#%d\n",regname[rs],imm);
917 output_w32(0xe3700000|rd_rn_rm(0,rs,0)|armval);
920 emit_movimm(imm,HOST_TEMPREG);
921 assem_debug("cmp %s,r14\n",regname[rs]);
922 output_w32(0xe1500000|rd_rn_rm(0,rs,HOST_TEMPREG));
925 emit_movimm(-imm,HOST_TEMPREG);
926 assem_debug("cmn %s,r14\n",regname[rs]);
927 output_w32(0xe1700000|rd_rn_rm(0,rs,HOST_TEMPREG));
931 static void emit_cmovne_imm(int imm,int rt)
933 assem_debug("movne %s,#%d\n",regname[rt],imm);
935 genimm_checked(imm,&armval);
936 output_w32(0x13a00000|rd_rn_rm(rt,0,0)|armval);
939 static void emit_cmovl_imm(int imm,int rt)
941 assem_debug("movlt %s,#%d\n",regname[rt],imm);
943 genimm_checked(imm,&armval);
944 output_w32(0xb3a00000|rd_rn_rm(rt,0,0)|armval);
947 static void emit_cmovb_imm(int imm,int rt)
949 assem_debug("movcc %s,#%d\n",regname[rt],imm);
951 genimm_checked(imm,&armval);
952 output_w32(0x33a00000|rd_rn_rm(rt,0,0)|armval);
955 static void emit_cmovae_imm(int imm,int rt)
957 assem_debug("movcs %s,#%d\n",regname[rt],imm);
959 genimm_checked(imm,&armval);
960 output_w32(0x23a00000|rd_rn_rm(rt,0,0)|armval);
963 static void emit_cmovne_reg(int rs,int rt)
965 assem_debug("movne %s,%s\n",regname[rt],regname[rs]);
966 output_w32(0x11a00000|rd_rn_rm(rt,0,rs));
969 static void emit_cmovl_reg(int rs,int rt)
971 assem_debug("movlt %s,%s\n",regname[rt],regname[rs]);
972 output_w32(0xb1a00000|rd_rn_rm(rt,0,rs));
975 static void emit_cmovs_reg(int rs,int rt)
977 assem_debug("movmi %s,%s\n",regname[rt],regname[rs]);
978 output_w32(0x41a00000|rd_rn_rm(rt,0,rs));
981 static void emit_slti32(int rs,int imm,int rt)
983 if(rs!=rt) emit_zeroreg(rt);
985 if(rs==rt) emit_movimm(0,rt);
986 emit_cmovl_imm(1,rt);
989 static void emit_sltiu32(int rs,int imm,int rt)
991 if(rs!=rt) emit_zeroreg(rt);
993 if(rs==rt) emit_movimm(0,rt);
994 emit_cmovb_imm(1,rt);
997 static void emit_cmp(int rs,int rt)
999 assem_debug("cmp %s,%s\n",regname[rs],regname[rt]);
1000 output_w32(0xe1500000|rd_rn_rm(0,rs,rt));
1003 static void emit_set_gz32(int rs, int rt)
1005 //assem_debug("set_gz32\n");
1008 emit_cmovl_imm(0,rt);
1011 static void emit_set_nz32(int rs, int rt)
1013 //assem_debug("set_nz32\n");
1014 if(rs!=rt) emit_movs(rs,rt);
1015 else emit_test(rs,rs);
1016 emit_cmovne_imm(1,rt);
1019 static void emit_set_if_less32(int rs1, int rs2, int rt)
1021 //assem_debug("set if less (%%%s,%%%s),%%%s\n",regname[rs1],regname[rs2],regname[rt]);
1022 if(rs1!=rt&&rs2!=rt) emit_zeroreg(rt);
1024 if(rs1==rt||rs2==rt) emit_movimm(0,rt);
1025 emit_cmovl_imm(1,rt);
1028 static void emit_set_if_carry32(int rs1, int rs2, int rt)
1030 //assem_debug("set if carry (%%%s,%%%s),%%%s\n",regname[rs1],regname[rs2],regname[rt]);
1031 if(rs1!=rt&&rs2!=rt) emit_zeroreg(rt);
1033 if(rs1==rt||rs2==rt) emit_movimm(0,rt);
1034 emit_cmovb_imm(1,rt);
1037 static void emit_call(const void *a_)
1040 assem_debug("bl %x (%x+%x)%s\n",a,(int)out,a-(int)out-8,func_name(a_));
1041 u_int offset=genjmp(a);
1042 output_w32(0xeb000000|offset);
1045 static void emit_jmp(const void *a_)
1048 assem_debug("b %x (%x+%x)%s\n",a,(int)out,a-(int)out-8,func_name(a_));
1049 u_int offset=genjmp(a);
1050 output_w32(0xea000000|offset);
1053 static void emit_jne(const void *a_)
1056 assem_debug("bne %x\n",a);
1057 u_int offset=genjmp(a);
1058 output_w32(0x1a000000|offset);
1061 static void emit_jeq(const void *a_)
1064 assem_debug("beq %x\n",a);
1065 u_int offset=genjmp(a);
1066 output_w32(0x0a000000|offset);
1069 static void emit_js(const void *a_)
1072 assem_debug("bmi %x\n",a);
1073 u_int offset=genjmp(a);
1074 output_w32(0x4a000000|offset);
1077 static void emit_jns(const void *a_)
1080 assem_debug("bpl %x\n",a);
1081 u_int offset=genjmp(a);
1082 output_w32(0x5a000000|offset);
1085 static void emit_jl(const void *a_)
1088 assem_debug("blt %x\n",a);
1089 u_int offset=genjmp(a);
1090 output_w32(0xba000000|offset);
1093 static void emit_jge(const void *a_)
1096 assem_debug("bge %x\n",a);
1097 u_int offset=genjmp(a);
1098 output_w32(0xaa000000|offset);
1101 static void emit_jno(const void *a_)
1104 assem_debug("bvc %x\n",a);
1105 u_int offset=genjmp(a);
1106 output_w32(0x7a000000|offset);
1109 static void emit_jc(const void *a_)
1112 assem_debug("bcs %x\n",a);
1113 u_int offset=genjmp(a);
1114 output_w32(0x2a000000|offset);
1117 static void emit_jcc(const void *a_)
1120 assem_debug("bcc %x\n",a);
1121 u_int offset=genjmp(a);
1122 output_w32(0x3a000000|offset);
1125 static unused void emit_callreg(u_int r)
1128 assem_debug("blx %s\n",regname[r]);
1129 output_w32(0xe12fff30|r);
1132 static void emit_jmpreg(u_int r)
1134 assem_debug("mov pc,%s\n",regname[r]);
1135 output_w32(0xe1a00000|rd_rn_rm(15,0,r));
1138 static void emit_ret(void)
1143 static void emit_readword_indexed(int offset, int rs, int rt)
1145 assert(offset>-4096&&offset<4096);
1146 assem_debug("ldr %s,%s+%d\n",regname[rt],regname[rs],offset);
1148 output_w32(0xe5900000|rd_rn_rm(rt,rs,0)|offset);
1150 output_w32(0xe5100000|rd_rn_rm(rt,rs,0)|(-offset));
1154 static void emit_readword_dualindexedx4(int rs1, int rs2, int rt)
1156 assem_debug("ldr %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]);
1157 output_w32(0xe7900000|rd_rn_rm(rt,rs1,rs2)|0x100);
1160 static void emit_ldrcc_dualindexed(int rs1, int rs2, int rt)
1162 assem_debug("ldrcc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1163 output_w32(0x37900000|rd_rn_rm(rt,rs1,rs2));
1166 static void emit_ldrccb_dualindexed(int rs1, int rs2, int rt)
1168 assem_debug("ldrccb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1169 output_w32(0x37d00000|rd_rn_rm(rt,rs1,rs2));
1172 static void emit_ldrccsb_dualindexed(int rs1, int rs2, int rt)
1174 assem_debug("ldrccsb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1175 output_w32(0x319000d0|rd_rn_rm(rt,rs1,rs2));
1178 static void emit_ldrcch_dualindexed(int rs1, int rs2, int rt)
1180 assem_debug("ldrcch %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1181 output_w32(0x319000b0|rd_rn_rm(rt,rs1,rs2));
1184 static void emit_ldrccsh_dualindexed(int rs1, int rs2, int rt)
1186 assem_debug("ldrccsh %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1187 output_w32(0x319000f0|rd_rn_rm(rt,rs1,rs2));
1190 static void emit_movsbl_indexed(int offset, int rs, int rt)
1192 assert(offset>-256&&offset<256);
1193 assem_debug("ldrsb %s,%s+%d\n",regname[rt],regname[rs],offset);
1195 output_w32(0xe1d000d0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf));
1197 output_w32(0xe15000d0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf));
1201 static void emit_movswl_indexed(int offset, int rs, int rt)
1203 assert(offset>-256&&offset<256);
1204 assem_debug("ldrsh %s,%s+%d\n",regname[rt],regname[rs],offset);
1206 output_w32(0xe1d000f0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf));
1208 output_w32(0xe15000f0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf));
1212 static void emit_movzbl_indexed(int offset, int rs, int rt)
1214 assert(offset>-4096&&offset<4096);
1215 assem_debug("ldrb %s,%s+%d\n",regname[rt],regname[rs],offset);
1217 output_w32(0xe5d00000|rd_rn_rm(rt,rs,0)|offset);
1219 output_w32(0xe5500000|rd_rn_rm(rt,rs,0)|(-offset));
1223 static void emit_movzwl_indexed(int offset, int rs, int rt)
1225 assert(offset>-256&&offset<256);
1226 assem_debug("ldrh %s,%s+%d\n",regname[rt],regname[rs],offset);
1228 output_w32(0xe1d000b0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf));
1230 output_w32(0xe15000b0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf));
1234 static void emit_ldrd(int offset, int rs, int rt)
1236 assert(offset>-256&&offset<256);
1237 assem_debug("ldrd %s,%s+%d\n",regname[rt],regname[rs],offset);
1239 output_w32(0xe1c000d0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf));
1241 output_w32(0xe14000d0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf));
1245 static void emit_readword(void *addr, int rt)
1247 uintptr_t offset = (u_char *)addr - (u_char *)&dynarec_local;
1248 assert(offset<4096);
1249 assem_debug("ldr %s,fp+%d\n",regname[rt],offset);
1250 output_w32(0xe5900000|rd_rn_rm(rt,FP,0)|offset);
1253 static void emit_writeword_indexed(int rt, int offset, int rs)
1255 assert(offset>-4096&&offset<4096);
1256 assem_debug("str %s,%s+%d\n",regname[rt],regname[rs],offset);
1258 output_w32(0xe5800000|rd_rn_rm(rt,rs,0)|offset);
1260 output_w32(0xe5000000|rd_rn_rm(rt,rs,0)|(-offset));
1264 static void emit_writehword_indexed(int rt, int offset, int rs)
1266 assert(offset>-256&&offset<256);
1267 assem_debug("strh %s,%s+%d\n",regname[rt],regname[rs],offset);
1269 output_w32(0xe1c000b0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf));
1271 output_w32(0xe14000b0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf));
1275 static void emit_writebyte_indexed(int rt, int offset, int rs)
1277 assert(offset>-4096&&offset<4096);
1278 assem_debug("strb %s,%s+%d\n",regname[rt],regname[rs],offset);
1280 output_w32(0xe5c00000|rd_rn_rm(rt,rs,0)|offset);
1282 output_w32(0xe5400000|rd_rn_rm(rt,rs,0)|(-offset));
1286 static void emit_strcc_dualindexed(int rs1, int rs2, int rt)
1288 assem_debug("strcc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1289 output_w32(0x37800000|rd_rn_rm(rt,rs1,rs2));
1292 static void emit_strccb_dualindexed(int rs1, int rs2, int rt)
1294 assem_debug("strccb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1295 output_w32(0x37c00000|rd_rn_rm(rt,rs1,rs2));
1298 static void emit_strcch_dualindexed(int rs1, int rs2, int rt)
1300 assem_debug("strcch %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1301 output_w32(0x318000b0|rd_rn_rm(rt,rs1,rs2));
1304 static void emit_writeword(int rt, void *addr)
1306 uintptr_t offset = (u_char *)addr - (u_char *)&dynarec_local;
1307 assert(offset<4096);
1308 assem_debug("str %s,fp+%d\n",regname[rt],offset);
1309 output_w32(0xe5800000|rd_rn_rm(rt,FP,0)|offset);
1312 static void emit_umull(u_int rs1, u_int rs2, u_int hi, u_int lo)
1314 assem_debug("umull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]);
1319 output_w32(0xe0800090|(hi<<16)|(lo<<12)|(rs2<<8)|rs1);
1322 static void emit_smull(u_int rs1, u_int rs2, u_int hi, u_int lo)
1324 assem_debug("smull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]);
1329 output_w32(0xe0c00090|(hi<<16)|(lo<<12)|(rs2<<8)|rs1);
1332 static void emit_clz(int rs,int rt)
1334 assem_debug("clz %s,%s\n",regname[rt],regname[rs]);
1335 output_w32(0xe16f0f10|rd_rn_rm(rt,0,rs));
1338 static void emit_subcs(int rs1,int rs2,int rt)
1340 assem_debug("subcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
1341 output_w32(0x20400000|rd_rn_rm(rt,rs1,rs2));
1344 static void emit_shrcc_imm(int rs,u_int imm,int rt)
1348 assem_debug("lsrcc %s,%s,#%d\n",regname[rt],regname[rs],imm);
1349 output_w32(0x31a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7));
1352 static void emit_shrne_imm(int rs,u_int imm,int rt)
1356 assem_debug("lsrne %s,%s,#%d\n",regname[rt],regname[rs],imm);
1357 output_w32(0x11a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7));
1360 static void emit_negmi(int rs, int rt)
1362 assem_debug("rsbmi %s,%s,#0\n",regname[rt],regname[rs]);
1363 output_w32(0x42600000|rd_rn_rm(rt,rs,0));
1366 static void emit_negsmi(int rs, int rt)
1368 assem_debug("rsbsmi %s,%s,#0\n",regname[rt],regname[rs]);
1369 output_w32(0x42700000|rd_rn_rm(rt,rs,0));
1372 static void emit_bic_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt)
1374 assem_debug("bic %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
1375 output_w32(0xe1C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8));
1378 static void emit_bic_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt)
1380 assem_debug("bic %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
1381 output_w32(0xe1C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8));
1384 static void emit_teq(int rs, int rt)
1386 assem_debug("teq %s,%s\n",regname[rs],regname[rt]);
1387 output_w32(0xe1300000|rd_rn_rm(0,rs,rt));
1390 static unused void emit_rsbimm(int rs, int imm, int rt)
1393 genimm_checked(imm,&armval);
1394 assem_debug("rsb %s,%s,#%d\n",regname[rt],regname[rs],imm);
1395 output_w32(0xe2600000|rd_rn_rm(rt,rs,0)|armval);
1398 // Conditionally select one of two immediates, optimizing for small code size
1399 // This will only be called if HAVE_CMOV_IMM is defined
1400 static void emit_cmov2imm_e_ne_compact(int imm1,int imm2,u_int rt)
1403 if(genimm(imm2-imm1,&armval)) {
1404 emit_movimm(imm1,rt);
1405 assem_debug("addne %s,%s,#%d\n",regname[rt],regname[rt],imm2-imm1);
1406 output_w32(0x12800000|rd_rn_rm(rt,rt,0)|armval);
1407 }else if(genimm(imm1-imm2,&armval)) {
1408 emit_movimm(imm1,rt);
1409 assem_debug("subne %s,%s,#%d\n",regname[rt],regname[rt],imm1-imm2);
1410 output_w32(0x12400000|rd_rn_rm(rt,rt,0)|armval);
1414 emit_movimm(imm1,rt);
1415 add_literal((int)out,imm2);
1416 assem_debug("ldrne %s,pc+? [=%x]\n",regname[rt],imm2);
1417 output_w32(0x15900000|rd_rn_rm(rt,15,0));
1419 emit_movw(imm1&0x0000FFFF,rt);
1420 if((imm1&0xFFFF)!=(imm2&0xFFFF)) {
1421 assem_debug("movwne %s,#%d (0x%x)\n",regname[rt],imm2&0xFFFF,imm2&0xFFFF);
1422 output_w32(0x13000000|rd_rn_rm(rt,0,0)|(imm2&0xfff)|((imm2<<4)&0xf0000));
1424 emit_movt(imm1&0xFFFF0000,rt);
1425 if((imm1&0xFFFF0000)!=(imm2&0xFFFF0000)) {
1426 assem_debug("movtne %s,#%d (0x%x)\n",regname[rt],imm2&0xffff0000,imm2&0xffff0000);
1427 output_w32(0x13400000|rd_rn_rm(rt,0,0)|((imm2>>16)&0xfff)|((imm2>>12)&0xf0000));
1433 // special case for checking invalid_code
1434 static void emit_cmpmem_indexedsr12_reg(int base,int r,int imm)
1436 assert(imm<128&&imm>=0);
1438 assem_debug("ldrb lr,%s,%s lsr #12\n",regname[base],regname[r]);
1439 output_w32(0xe7d00000|rd_rn_rm(HOST_TEMPREG,base,r)|0x620);
1440 emit_cmpimm(HOST_TEMPREG,imm);
1443 static void emit_callne(int a)
1445 assem_debug("blne %x\n",a);
1446 u_int offset=genjmp(a);
1447 output_w32(0x1b000000|offset);
1450 // Used to preload hash table entries
1451 static unused void emit_prefetchreg(int r)
1453 assem_debug("pld %s\n",regname[r]);
1454 output_w32(0xf5d0f000|rd_rn_rm(0,r,0));
1457 // Special case for mini_ht
1458 static void emit_ldreq_indexed(int rs, u_int offset, int rt)
1460 assert(offset<4096);
1461 assem_debug("ldreq %s,[%s, #%d]\n",regname[rt],regname[rs],offset);
1462 output_w32(0x05900000|rd_rn_rm(rt,rs,0)|offset);
1465 static void emit_orrne_imm(int rs,int imm,int rt)
1468 genimm_checked(imm,&armval);
1469 assem_debug("orrne %s,%s,#%d\n",regname[rt],regname[rs],imm);
1470 output_w32(0x13800000|rd_rn_rm(rt,rs,0)|armval);
1473 static void emit_andne_imm(int rs,int imm,int rt)
1476 genimm_checked(imm,&armval);
1477 assem_debug("andne %s,%s,#%d\n",regname[rt],regname[rs],imm);
1478 output_w32(0x12000000|rd_rn_rm(rt,rs,0)|armval);
1481 static unused void emit_addpl_imm(int rs,int imm,int rt)
1484 genimm_checked(imm,&armval);
1485 assem_debug("addpl %s,%s,#%d\n",regname[rt],regname[rs],imm);
1486 output_w32(0x52800000|rd_rn_rm(rt,rs,0)|armval);
1489 static void emit_jno_unlikely(int a)
1492 assem_debug("addvc pc,pc,#? (%x)\n",/*a-(int)out-8,*/a);
1493 output_w32(0x72800000|rd_rn_rm(15,15,0));
1496 static void save_regs_all(u_int reglist)
1499 if(!reglist) return;
1500 assem_debug("stmia fp,{");
1503 assem_debug("r%d,",i);
1505 output_w32(0xe88b0000|reglist);
1508 static void restore_regs_all(u_int reglist)
1511 if(!reglist) return;
1512 assem_debug("ldmia fp,{");
1515 assem_debug("r%d,",i);
1517 output_w32(0xe89b0000|reglist);
1520 // Save registers before function call
1521 static void save_regs(u_int reglist)
1523 reglist&=CALLER_SAVE_REGS; // only save the caller-save registers, r0-r3, r12
1524 save_regs_all(reglist);
1527 // Restore registers after function call
1528 static void restore_regs(u_int reglist)
1530 reglist&=CALLER_SAVE_REGS;
1531 restore_regs_all(reglist);
1534 /* Stubs/epilogue */
1536 static void literal_pool(int n)
1538 if(!literalcount) return;
1540 if((int)out-literals[0][0]<4096-n) return;
1544 for(i=0;i<literalcount;i++)
1546 u_int l_addr=(u_int)out;
1549 if(literals[j][1]==literals[i][1]) {
1550 //printf("dup %08x\n",literals[i][1]);
1551 l_addr=literals[j][0];
1555 ptr=(u_int *)literals[i][0];
1556 u_int offset=l_addr-(u_int)ptr-8;
1557 assert(offset<4096);
1558 assert(!(offset&3));
1560 if(l_addr==(u_int)out) {
1561 literals[i][0]=l_addr; // remember for dupes
1562 output_w32(literals[i][1]);
1568 static void literal_pool_jumpover(int n)
1570 if(!literalcount) return;
1572 if((int)out-literals[0][0]<4096-n) return;
1577 set_jump_target(jaddr, out);
1580 // parsed by get_pointer, find_extjump_insn
1581 static void emit_extjump2(u_char *addr, u_int target, void *linker)
1583 u_char *ptr=(u_char *)addr;
1584 assert((ptr[3]&0x0e)==0xa);
1587 emit_loadlp(target,0);
1588 emit_loadlp((u_int)addr,1);
1589 assert(addr>=translation_cache&&addr<(translation_cache+(1<<TARGET_SIZE_2)));
1590 //assert((target>=0x80000000&&target<0x80800000)||(target>0xA4000000&&target<0xA4001000));
1592 #ifdef DEBUG_CYCLE_COUNT
1593 emit_readword(&last_count,ECX);
1594 emit_add(HOST_CCREG,ECX,HOST_CCREG);
1595 emit_readword(&next_interupt,ECX);
1596 emit_writeword(HOST_CCREG,&Count);
1597 emit_sub(HOST_CCREG,ECX,HOST_CCREG);
1598 emit_writeword(ECX,&last_count);
1604 static void check_extjump2(void *src)
1607 assert((ptr[1] & 0x0fff0000) == 0x059f0000); // ldr rx, [pc, #ofs]
1611 // put rt_val into rt, potentially making use of rs with value rs_val
1612 static void emit_movimm_from(u_int rs_val,int rs,u_int rt_val,int rt)
1616 if(genimm(rt_val,&armval)) {
1617 assem_debug("mov %s,#%d\n",regname[rt],rt_val);
1618 output_w32(0xe3a00000|rd_rn_rm(rt,0,0)|armval);
1621 if(genimm(~rt_val,&armval)) {
1622 assem_debug("mvn %s,#%d\n",regname[rt],rt_val);
1623 output_w32(0xe3e00000|rd_rn_rm(rt,0,0)|armval);
1627 if(genimm(diff,&armval)) {
1628 assem_debug("add %s,%s,#%d\n",regname[rt],regname[rs],diff);
1629 output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval);
1631 }else if(genimm(-diff,&armval)) {
1632 assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],-diff);
1633 output_w32(0xe2400000|rd_rn_rm(rt,rs,0)|armval);
1636 emit_movimm(rt_val,rt);
1639 // return 1 if above function can do it's job cheaply
1640 static int is_similar_value(u_int v1,u_int v2)
1644 if(v1==v2) return 1;
1646 for(xs=diff;xs!=0&&(xs&3)==0;xs>>=2)
1648 if(xs<0x100) return 1;
1649 for(xs=-diff;xs!=0&&(xs&3)==0;xs>>=2)
1651 if(xs<0x100) return 1;
1655 static void mov_loadtype_adj(enum stub_type type,int rs,int rt)
1658 case LOADB_STUB: emit_signextend8(rs,rt); break;
1659 case LOADBU_STUB: emit_andimm(rs,0xff,rt); break;
1660 case LOADH_STUB: emit_signextend16(rs,rt); break;
1661 case LOADHU_STUB: emit_andimm(rs,0xffff,rt); break;
1662 case LOADW_STUB: if(rs!=rt) emit_mov(rs,rt); break;
1667 #include "pcsxmem.h"
1668 #include "pcsxmem_inline.c"
1670 static void do_readstub(int n)
1672 assem_debug("do_readstub %x\n",start+stubs[n].a*4);
1674 set_jump_target(stubs[n].addr, out);
1675 enum stub_type type=stubs[n].type;
1678 struct regstat *i_regs=(struct regstat *)stubs[n].c;
1679 u_int reglist=stubs[n].e;
1680 signed char *i_regmap=i_regs->regmap;
1682 if(itype[i]==C1LS||itype[i]==C2LS||itype[i]==LOADLR) {
1683 rt=get_reg(i_regmap,FTEMP);
1685 rt=get_reg(i_regmap,rt1[i]);
1688 int r,temp=-1,temp2=HOST_TEMPREG,regs_saved=0;
1689 void *restore_jump = NULL;
1691 for(r=0;r<=12;r++) {
1692 if(((1<<r)&0x13ff)&&((1<<r)®list)==0) {
1696 if(rt>=0&&rt1[i]!=0)
1703 if((regs_saved||(reglist&2)==0)&&temp!=1&&rs!=1)
1705 emit_readword(&mem_rtab,temp);
1706 emit_shrimm(rs,12,temp2);
1707 emit_readword_dualindexedx4(temp,temp2,temp2);
1708 emit_lsls_imm(temp2,1,temp2);
1709 if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) {
1711 case LOADB_STUB: emit_ldrccsb_dualindexed(temp2,rs,rt); break;
1712 case LOADBU_STUB: emit_ldrccb_dualindexed(temp2,rs,rt); break;
1713 case LOADH_STUB: emit_ldrccsh_dualindexed(temp2,rs,rt); break;
1714 case LOADHU_STUB: emit_ldrcch_dualindexed(temp2,rs,rt); break;
1715 case LOADW_STUB: emit_ldrcc_dualindexed(temp2,rs,rt); break;
1721 emit_jcc(0); // jump to reg restore
1724 emit_jcc(stubs[n].retaddr); // return address
1729 if(type==LOADB_STUB||type==LOADBU_STUB)
1730 handler=jump_handler_read8;
1731 if(type==LOADH_STUB||type==LOADHU_STUB)
1732 handler=jump_handler_read16;
1733 if(type==LOADW_STUB)
1734 handler=jump_handler_read32;
1736 pass_args(rs,temp2);
1737 int cc=get_reg(i_regmap,CCREG);
1739 emit_loadreg(CCREG,2);
1740 emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d+1),2);
1742 if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) {
1743 mov_loadtype_adj(type,0,rt);
1746 set_jump_target(restore_jump, out);
1747 restore_regs(reglist);
1748 emit_jmp(stubs[n].retaddr); // return address
1751 static void inline_readstub(enum stub_type type, int i, u_int addr, signed char regmap[], int target, int adj, u_int reglist)
1753 int rs=get_reg(regmap,target);
1754 int rt=get_reg(regmap,target);
1755 if(rs<0) rs=get_reg(regmap,-1);
1757 u_int is_dynamic,far_call=0;
1758 uintptr_t host_addr = 0;
1760 int cc=get_reg(regmap,CCREG);
1761 if(pcsx_direct_read(type,addr,CLOCK_ADJUST(adj+1),cc,target?rs:-1,rt))
1763 handler = get_direct_memhandler(mem_rtab, addr, type, &host_addr);
1764 if (handler == NULL) {
1768 emit_movimm_from(addr,rs,host_addr,rs);
1770 case LOADB_STUB: emit_movsbl_indexed(0,rs,rt); break;
1771 case LOADBU_STUB: emit_movzbl_indexed(0,rs,rt); break;
1772 case LOADH_STUB: emit_movswl_indexed(0,rs,rt); break;
1773 case LOADHU_STUB: emit_movzwl_indexed(0,rs,rt); break;
1774 case LOADW_STUB: emit_readword_indexed(0,rs,rt); break;
1779 is_dynamic=pcsxmem_is_handler_dynamic(addr);
1781 if(type==LOADB_STUB||type==LOADBU_STUB)
1782 handler=jump_handler_read8;
1783 if(type==LOADH_STUB||type==LOADHU_STUB)
1784 handler=jump_handler_read16;
1785 if(type==LOADW_STUB)
1786 handler=jump_handler_read32;
1789 // call a memhandler
1790 if(rt>=0&&rt1[i]!=0)
1794 emit_movimm(addr,0);
1797 int offset=(u_char *)handler-out-8;
1798 if(offset<-33554432||offset>=33554432) {
1799 // unreachable memhandler, a plugin func perhaps
1800 emit_movimm((u_int)handler,12);
1804 emit_loadreg(CCREG,2);
1806 emit_movimm(((u_int *)mem_rtab)[addr>>12]<<1,1);
1807 emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2);
1810 emit_readword(&last_count,3);
1811 emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2);
1813 emit_writeword(2,&Count);
1821 if(rt>=0&&rt1[i]!=0) {
1823 case LOADB_STUB: emit_signextend8(0,rt); break;
1824 case LOADBU_STUB: emit_andimm(0,0xff,rt); break;
1825 case LOADH_STUB: emit_signextend16(0,rt); break;
1826 case LOADHU_STUB: emit_andimm(0,0xffff,rt); break;
1827 case LOADW_STUB: if(rt!=0) emit_mov(0,rt); break;
1831 restore_regs(reglist);
1834 static void do_writestub(int n)
1836 assem_debug("do_writestub %x\n",start+stubs[n].a*4);
1838 set_jump_target(stubs[n].addr, out);
1839 enum stub_type type=stubs[n].type;
1842 struct regstat *i_regs=(struct regstat *)stubs[n].c;
1843 u_int reglist=stubs[n].e;
1844 signed char *i_regmap=i_regs->regmap;
1846 if(itype[i]==C1LS||itype[i]==C2LS) {
1847 rt=get_reg(i_regmap,r=FTEMP);
1849 rt=get_reg(i_regmap,r=rs2[i]);
1853 int rtmp,temp=-1,temp2=HOST_TEMPREG,regs_saved=0;
1854 void *restore_jump = NULL;
1855 int reglist2=reglist|(1<<rs)|(1<<rt);
1856 for(rtmp=0;rtmp<=12;rtmp++) {
1857 if(((1<<rtmp)&0x13ff)&&((1<<rtmp)®list2)==0) {
1864 for(rtmp=0;rtmp<=3;rtmp++)
1865 if(rtmp!=rs&&rtmp!=rt)
1868 if((regs_saved||(reglist2&8)==0)&&temp!=3&&rs!=3&&rt!=3)
1870 emit_readword(&mem_wtab,temp);
1871 emit_shrimm(rs,12,temp2);
1872 emit_readword_dualindexedx4(temp,temp2,temp2);
1873 emit_lsls_imm(temp2,1,temp2);
1875 case STOREB_STUB: emit_strccb_dualindexed(temp2,rs,rt); break;
1876 case STOREH_STUB: emit_strcch_dualindexed(temp2,rs,rt); break;
1877 case STOREW_STUB: emit_strcc_dualindexed(temp2,rs,rt); break;
1882 emit_jcc(0); // jump to reg restore
1885 emit_jcc(stubs[n].retaddr); // return address (invcode check)
1891 case STOREB_STUB: handler=jump_handler_write8; break;
1892 case STOREH_STUB: handler=jump_handler_write16; break;
1893 case STOREW_STUB: handler=jump_handler_write32; break;
1900 int cc=get_reg(i_regmap,CCREG);
1902 emit_loadreg(CCREG,2);
1903 emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d+1),2);
1904 // returns new cycle_count
1906 emit_addimm(0,-CLOCK_ADJUST((int)stubs[n].d+1),cc<0?2:cc);
1908 emit_storereg(CCREG,2);
1910 set_jump_target(restore_jump, out);
1911 restore_regs(reglist);
1912 emit_jmp(stubs[n].retaddr);
1915 static void inline_writestub(enum stub_type type, int i, u_int addr, signed char regmap[], int target, int adj, u_int reglist)
1917 int rs=get_reg(regmap,-1);
1918 int rt=get_reg(regmap,target);
1921 uintptr_t host_addr = 0;
1922 void *handler = get_direct_memhandler(mem_wtab, addr, type, &host_addr);
1923 if (handler == NULL) {
1925 emit_movimm_from(addr,rs,host_addr,rs);
1927 case STOREB_STUB: emit_writebyte_indexed(rt,0,rs); break;
1928 case STOREH_STUB: emit_writehword_indexed(rt,0,rs); break;
1929 case STOREW_STUB: emit_writeword_indexed(rt,0,rs); break;
1935 // call a memhandler
1938 int cc=get_reg(regmap,CCREG);
1940 emit_loadreg(CCREG,2);
1941 emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2);
1942 emit_movimm((u_int)handler,3);
1943 // returns new cycle_count
1944 emit_call(jump_handler_write_h);
1945 emit_addimm(0,-CLOCK_ADJUST(adj+1),cc<0?2:cc);
1947 emit_storereg(CCREG,2);
1948 restore_regs(reglist);
1951 // this output is parsed by verify_dirty, get_bounds, isclean, get_clean_addr
1952 static void do_dirty_stub_emit_args(u_int arg0)
1955 emit_loadlp((int)source, 1);
1956 emit_loadlp((int)copy, 2);
1957 emit_loadlp(slen*4, 3);
1959 emit_movw(((u_int)source)&0x0000FFFF, 1);
1960 emit_movw(((u_int)copy)&0x0000FFFF, 2);
1961 emit_movt(((u_int)source)&0xFFFF0000, 1);
1962 emit_movt(((u_int)copy)&0xFFFF0000, 2);
1963 emit_movw(slen*4, 3);
1965 emit_movimm(arg0, 0);
1968 static void *do_dirty_stub(int i)
1970 assem_debug("do_dirty_stub %x\n",start+i*4);
1971 do_dirty_stub_emit_args(start + i*4);
1972 emit_call(verify_code);
1976 entry = instr_addr[i];
1977 emit_jmp(instr_addr[i]);
1981 static void do_dirty_stub_ds()
1983 do_dirty_stub_emit_args(start + 1);
1984 emit_call(verify_code_ds);
1989 static void c2op_prologue(u_int op,u_int reglist)
1991 save_regs_all(reglist);
1994 emit_call(pcnt_gte_start);
1996 emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0); // cop2 regs
1999 static void c2op_epilogue(u_int op,u_int reglist)
2003 emit_call(pcnt_gte_end);
2005 restore_regs_all(reglist);
2008 static void c2op_call_MACtoIR(int lm,int need_flags)
2011 emit_call(lm?gteMACtoIR_lm1:gteMACtoIR_lm0);
2013 emit_call(lm?gteMACtoIR_lm1_nf:gteMACtoIR_lm0_nf);
2016 static void c2op_call_rgb_func(void *func,int lm,int need_ir,int need_flags)
2019 // func is C code and trashes r0
2020 emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0);
2021 if(need_flags||need_ir)
2022 c2op_call_MACtoIR(lm,need_flags);
2023 emit_call(need_flags?gteMACtoRGB:gteMACtoRGB_nf);
2026 static void c2op_assemble(int i,struct regstat *i_regs)
2028 u_int c2op=source[i]&0x3f;
2029 u_int hr,reglist_full=0,reglist;
2030 int need_flags,need_ir;
2031 for(hr=0;hr<HOST_REGS;hr++) {
2032 if(i_regs->regmap[hr]>=0) reglist_full|=1<<hr;
2034 reglist=reglist_full&CALLER_SAVE_REGS;
2036 if (gte_handlers[c2op]!=NULL) {
2037 need_flags=!(gte_unneeded[i+1]>>63); // +1 because of how liveness detection works
2038 need_ir=(gte_unneeded[i+1]&0xe00)!=0xe00;
2039 assem_debug("gte op %08x, unneeded %016llx, need_flags %d, need_ir %d\n",
2040 source[i],gte_unneeded[i+1],need_flags,need_ir);
2041 if(new_dynarec_hacks&NDHACK_GTE_NO_FLAGS)
2043 int shift = (source[i] >> 19) & 1;
2044 int lm = (source[i] >> 10) & 1;
2049 int v = (source[i] >> 15) & 3;
2050 int cv = (source[i] >> 13) & 3;
2051 int mx = (source[i] >> 17) & 3;
2052 reglist=reglist_full&(CALLER_SAVE_REGS|0xf0); // +{r4-r7}
2053 c2op_prologue(c2op,reglist);
2054 /* r4,r5 = VXYZ(v) packed; r6 = &MX11(mx); r7 = &CV1(cv) */
2058 emit_movzwl_indexed(9*4,0,4); // gteIR
2059 emit_movzwl_indexed(10*4,0,6);
2060 emit_movzwl_indexed(11*4,0,5);
2061 emit_orrshl_imm(6,16,4);
2064 emit_addimm(0,32*4+mx*8*4,6);
2066 emit_readword(&zeromem_ptr,6);
2068 emit_addimm(0,32*4+(cv*8+5)*4,7);
2070 emit_readword(&zeromem_ptr,7);
2072 emit_movimm(source[i],1); // opcode
2073 emit_call(gteMVMVA_part_neon);
2076 emit_call(gteMACtoIR_flags_neon);
2080 emit_call((int)gteMVMVA_part_cv3sh12_arm);
2082 emit_movimm(shift,1);
2083 emit_call((int)(need_flags?gteMVMVA_part_arm:gteMVMVA_part_nf_arm));
2085 if(need_flags||need_ir)
2086 c2op_call_MACtoIR(lm,need_flags);
2088 #else /* if not HAVE_ARMV5 */
2089 c2op_prologue(c2op,reglist);
2090 emit_movimm(source[i],1); // opcode
2091 emit_writeword(1,&psxRegs.code);
2092 emit_call((int)(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]));
2097 c2op_prologue(c2op,reglist);
2098 emit_call(shift?gteOP_part_shift:gteOP_part_noshift);
2099 if(need_flags||need_ir) {
2100 emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0);
2101 c2op_call_MACtoIR(lm,need_flags);
2105 c2op_prologue(c2op,reglist);
2106 c2op_call_rgb_func(shift?gteDPCS_part_shift:gteDPCS_part_noshift,lm,need_ir,need_flags);
2109 c2op_prologue(c2op,reglist);
2110 c2op_call_rgb_func(shift?gteINTPL_part_shift:gteINTPL_part_noshift,lm,need_ir,need_flags);
2113 c2op_prologue(c2op,reglist);
2114 emit_call(shift?gteSQR_part_shift:gteSQR_part_noshift);
2115 if(need_flags||need_ir) {
2116 emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0);
2117 c2op_call_MACtoIR(lm,need_flags);
2121 c2op_prologue(c2op,reglist);
2122 c2op_call_rgb_func(gteDCPL_part,lm,need_ir,need_flags);
2125 c2op_prologue(c2op,reglist);
2126 c2op_call_rgb_func(shift?gteGPF_part_shift:gteGPF_part_noshift,lm,need_ir,need_flags);
2129 c2op_prologue(c2op,reglist);
2130 c2op_call_rgb_func(shift?gteGPL_part_shift:gteGPL_part_noshift,lm,need_ir,need_flags);
2134 c2op_prologue(c2op,reglist);
2136 emit_movimm(source[i],1); // opcode
2137 emit_writeword(1,&psxRegs.code);
2139 emit_call(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]);
2142 c2op_epilogue(c2op,reglist);
2146 static void c2op_ctc2_31_assemble(signed char sl, signed char temp)
2148 //value = value & 0x7ffff000;
2149 //if (value & 0x7f87e000) value |= 0x80000000;
2150 emit_shrimm(sl,12,temp);
2151 emit_shlimm(temp,12,temp);
2152 emit_testimm(temp,0x7f000000);
2153 emit_testeqimm(temp,0x00870000);
2154 emit_testeqimm(temp,0x0000e000);
2155 emit_orrne_imm(temp,0x80000000,temp);
2158 static void do_mfc2_31_one(u_int copr,signed char temp)
2160 emit_readword(®_cop2d[copr],temp);
2161 emit_testimm(temp,0x8000); // do we need this?
2162 emit_andne_imm(temp,0,temp);
2163 emit_cmpimm(temp,0xf80);
2164 emit_andimm(temp,0xf80,temp);
2165 emit_cmovae_imm(0xf80,temp);
2168 static void c2op_mfc2_29_assemble(signed char tl, signed char temp)
2171 host_tempreg_acquire();
2172 temp = HOST_TEMPREG;
2174 do_mfc2_31_one(9,temp);
2175 emit_shrimm(temp,7,tl);
2176 do_mfc2_31_one(10,temp);
2177 emit_orrshr_imm(temp,2,tl);
2178 do_mfc2_31_one(11,temp);
2179 emit_orrshl_imm(temp,3,tl);
2180 emit_writeword(tl,®_cop2d[29]);
2181 if (temp == HOST_TEMPREG)
2182 host_tempreg_release();
2185 static void multdiv_assemble_arm(int i,struct regstat *i_regs)
2192 // case 0x1D: DMULTU
2197 if((opcode2[i]&4)==0) // 32-bit
2199 if(opcode2[i]==0x18) // MULT
2201 signed char m1=get_reg(i_regs->regmap,rs1[i]);
2202 signed char m2=get_reg(i_regs->regmap,rs2[i]);
2203 signed char hi=get_reg(i_regs->regmap,HIREG);
2204 signed char lo=get_reg(i_regs->regmap,LOREG);
2209 emit_smull(m1,m2,hi,lo);
2211 if(opcode2[i]==0x19) // MULTU
2213 signed char m1=get_reg(i_regs->regmap,rs1[i]);
2214 signed char m2=get_reg(i_regs->regmap,rs2[i]);
2215 signed char hi=get_reg(i_regs->regmap,HIREG);
2216 signed char lo=get_reg(i_regs->regmap,LOREG);
2221 emit_umull(m1,m2,hi,lo);
2223 if(opcode2[i]==0x1A) // DIV
2225 signed char d1=get_reg(i_regs->regmap,rs1[i]);
2226 signed char d2=get_reg(i_regs->regmap,rs2[i]);
2229 signed char quotient=get_reg(i_regs->regmap,LOREG);
2230 signed char remainder=get_reg(i_regs->regmap,HIREG);
2231 assert(quotient>=0);
2232 assert(remainder>=0);
2233 emit_movs(d1,remainder);
2234 emit_movimm(0xffffffff,quotient);
2235 emit_negmi(quotient,quotient); // .. quotient and ..
2236 emit_negmi(remainder,remainder); // .. remainder for div0 case (will be negated back after jump)
2237 emit_movs(d2,HOST_TEMPREG);
2238 emit_jeq(out+52); // Division by zero
2239 emit_negsmi(HOST_TEMPREG,HOST_TEMPREG);
2241 emit_clz(HOST_TEMPREG,quotient);
2242 emit_shl(HOST_TEMPREG,quotient,HOST_TEMPREG);
2244 emit_movimm(0,quotient);
2245 emit_addpl_imm(quotient,1,quotient);
2246 emit_lslpls_imm(HOST_TEMPREG,1,HOST_TEMPREG);
2249 emit_orimm(quotient,1<<31,quotient);
2250 emit_shr(quotient,quotient,quotient);
2251 emit_cmp(remainder,HOST_TEMPREG);
2252 emit_subcs(remainder,HOST_TEMPREG,remainder);
2253 emit_adcs(quotient,quotient,quotient);
2254 emit_shrimm(HOST_TEMPREG,1,HOST_TEMPREG);
2255 emit_jcc(out-16); // -4
2257 emit_negmi(quotient,quotient);
2259 emit_negmi(remainder,remainder);
2261 if(opcode2[i]==0x1B) // DIVU
2263 signed char d1=get_reg(i_regs->regmap,rs1[i]); // dividend
2264 signed char d2=get_reg(i_regs->regmap,rs2[i]); // divisor
2267 signed char quotient=get_reg(i_regs->regmap,LOREG);
2268 signed char remainder=get_reg(i_regs->regmap,HIREG);
2269 assert(quotient>=0);
2270 assert(remainder>=0);
2271 emit_mov(d1,remainder);
2272 emit_movimm(0xffffffff,quotient); // div0 case
2274 emit_jeq(out+40); // Division by zero
2276 emit_clz(d2,HOST_TEMPREG);
2277 emit_movimm(1<<31,quotient);
2278 emit_shl(d2,HOST_TEMPREG,d2);
2280 emit_movimm(0,HOST_TEMPREG);
2281 emit_addpl_imm(HOST_TEMPREG,1,HOST_TEMPREG);
2282 emit_lslpls_imm(d2,1,d2);
2284 emit_movimm(1<<31,quotient);
2286 emit_shr(quotient,HOST_TEMPREG,quotient);
2287 emit_cmp(remainder,d2);
2288 emit_subcs(remainder,d2,remainder);
2289 emit_adcs(quotient,quotient,quotient);
2290 emit_shrcc_imm(d2,1,d2);
2291 emit_jcc(out-16); // -4
2299 // Multiply by zero is zero.
2300 // MIPS does not have a divide by zero exception.
2301 // The result is undefined, we return zero.
2302 signed char hr=get_reg(i_regs->regmap,HIREG);
2303 signed char lr=get_reg(i_regs->regmap,LOREG);
2304 if(hr>=0) emit_zeroreg(hr);
2305 if(lr>=0) emit_zeroreg(lr);
2308 #define multdiv_assemble multdiv_assemble_arm
2310 static void do_jump_vaddr(int rs)
2312 emit_jmp(jump_vaddr_reg[rs]);
2315 static void do_preload_rhash(int r) {
2316 // Don't need this for ARM. On x86, this puts the value 0xf8 into the
2317 // register. On ARM the hash can be done with a single instruction (below)
2320 static void do_preload_rhtbl(int ht) {
2321 emit_addimm(FP,(int)&mini_ht-(int)&dynarec_local,ht);
2324 static void do_rhash(int rs,int rh) {
2325 emit_andimm(rs,0xf8,rh);
2328 static void do_miniht_load(int ht,int rh) {
2329 assem_debug("ldr %s,[%s,%s]!\n",regname[rh],regname[ht],regname[rh]);
2330 output_w32(0xe7b00000|rd_rn_rm(rh,ht,rh));
2333 static void do_miniht_jump(int rs,int rh,int ht) {
2335 emit_ldreq_indexed(ht,4,15);
2336 #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
2344 static void do_miniht_insert(u_int return_address,int rt,int temp) {
2346 emit_movimm(return_address,rt); // PC into link register
2347 add_to_linker(out,return_address,1);
2348 emit_pcreladdr(temp);
2349 emit_writeword(rt,&mini_ht[(return_address&0xFF)>>3][0]);
2350 emit_writeword(temp,&mini_ht[(return_address&0xFF)>>3][1]);
2352 emit_movw(return_address&0x0000FFFF,rt);
2353 add_to_linker(out,return_address,1);
2354 emit_pcreladdr(temp);
2355 emit_writeword(temp,&mini_ht[(return_address&0xFF)>>3][1]);
2356 emit_movt(return_address&0xFFFF0000,rt);
2357 emit_writeword(rt,&mini_ht[(return_address&0xFF)>>3][0]);
2361 static void mark_clear_cache(void *target)
2363 u_long offset = (u_char *)target - translation_cache;
2364 u_int mask = 1u << ((offset >> 12) & 31);
2365 if (!(needs_clear_cache[offset >> 17] & mask)) {
2366 char *start = (char *)((u_long)target & ~4095ul);
2367 start_tcache_write(start, start + 4096);
2368 needs_clear_cache[offset >> 17] |= mask;
2372 // Clearing the cache is rather slow on ARM Linux, so mark the areas
2373 // that need to be cleared, and then only clear these areas once.
2374 static void do_clear_cache()
2377 for (i=0;i<(1<<(TARGET_SIZE_2-17));i++)
2379 u_int bitmap=needs_clear_cache[i];
2381 u_char *start, *end;
2385 start=translation_cache+i*131072+j*4096;
2393 end_tcache_write(start, end);
2399 needs_clear_cache[i]=0;
2404 // CPU-architecture-specific initialization
2405 static void arch_init() {
2408 // vim:shiftwidth=2:expandtab