| | 1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
| | 2 | * Mupen64plus - assem_arm.c * |
| | 3 | * Copyright (C) 2009-2010 Ari64 * |
| | 4 | * * |
| | 5 | * This program is free software; you can redistribute it and/or modify * |
| | 6 | * it under the terms of the GNU General Public License as published by * |
| | 7 | * the Free Software Foundation; either version 2 of the License, or * |
| | 8 | * (at your option) any later version. * |
| | 9 | * * |
| | 10 | * This program is distributed in the hope that it will be useful, * |
| | 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| | 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| | 13 | * GNU General Public License for more details. * |
| | 14 | * * |
| | 15 | * You should have received a copy of the GNU General Public License * |
| | 16 | * along with this program; if not, write to the * |
| | 17 | * Free Software Foundation, Inc., * |
| | 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
| | 19 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
| | 20 | |
| | 21 | extern int cycle_count; |
| | 22 | extern int last_count; |
| | 23 | extern int pcaddr; |
| | 24 | extern int pending_exception; |
| | 25 | extern int branch_target; |
| | 26 | extern uint64_t readmem_dword; |
| | 27 | #ifdef MUPEN64 |
| | 28 | extern precomp_instr fake_pc; |
| | 29 | #endif |
| | 30 | extern void *dynarec_local; |
| | 31 | extern u_int memory_map[1048576]; |
| | 32 | extern u_int mini_ht[32][2]; |
| | 33 | extern u_int rounding_modes[4]; |
| | 34 | |
| | 35 | void indirect_jump_indexed(); |
| | 36 | void indirect_jump(); |
| | 37 | void do_interrupt(); |
| | 38 | void jump_vaddr_r0(); |
| | 39 | void jump_vaddr_r1(); |
| | 40 | void jump_vaddr_r2(); |
| | 41 | void jump_vaddr_r3(); |
| | 42 | void jump_vaddr_r4(); |
| | 43 | void jump_vaddr_r5(); |
| | 44 | void jump_vaddr_r6(); |
| | 45 | void jump_vaddr_r7(); |
| | 46 | void jump_vaddr_r8(); |
| | 47 | void jump_vaddr_r9(); |
| | 48 | void jump_vaddr_r10(); |
| | 49 | void jump_vaddr_r12(); |
| | 50 | |
| | 51 | const u_int jump_vaddr_reg[16] = { |
| | 52 | (int)jump_vaddr_r0, |
| | 53 | (int)jump_vaddr_r1, |
| | 54 | (int)jump_vaddr_r2, |
| | 55 | (int)jump_vaddr_r3, |
| | 56 | (int)jump_vaddr_r4, |
| | 57 | (int)jump_vaddr_r5, |
| | 58 | (int)jump_vaddr_r6, |
| | 59 | (int)jump_vaddr_r7, |
| | 60 | (int)jump_vaddr_r8, |
| | 61 | (int)jump_vaddr_r9, |
| | 62 | (int)jump_vaddr_r10, |
| | 63 | 0, |
| | 64 | (int)jump_vaddr_r12, |
| | 65 | 0, |
| | 66 | 0, |
| | 67 | 0}; |
| | 68 | |
| | 69 | #include "fpu.h" |
| | 70 | |
| | 71 | /* Linker */ |
| | 72 | |
| | 73 | void set_jump_target(int addr,u_int target) |
| | 74 | { |
| | 75 | u_char *ptr=(u_char *)addr; |
| | 76 | u_int *ptr2=(u_int *)ptr; |
| | 77 | if(ptr[3]==0xe2) { |
| | 78 | assert((target-(u_int)ptr2-8)<1024); |
| | 79 | assert((addr&3)==0); |
| | 80 | assert((target&3)==0); |
| | 81 | *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>2)|0xF00; |
| | 82 | //printf("target=%x addr=%x insn=%x\n",target,addr,*ptr2); |
| | 83 | } |
| | 84 | else if(ptr[3]==0x72) { |
| | 85 | // generated by emit_jno_unlikely |
| | 86 | if((target-(u_int)ptr2-8)<1024) { |
| | 87 | assert((addr&3)==0); |
| | 88 | assert((target&3)==0); |
| | 89 | *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>2)|0xF00; |
| | 90 | } |
| | 91 | else if((target-(u_int)ptr2-8)<4096&&!((target-(u_int)ptr2-8)&15)) { |
| | 92 | assert((addr&3)==0); |
| | 93 | assert((target&3)==0); |
| | 94 | *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>4)|0xE00; |
| | 95 | } |
| | 96 | else *ptr2=(0x7A000000)|(((target-(u_int)ptr2-8)<<6)>>8); |
| | 97 | } |
| | 98 | else { |
| | 99 | assert((ptr[3]&0x0e)==0xa); |
| | 100 | *ptr2=(*ptr2&0xFF000000)|(((target-(u_int)ptr2-8)<<6)>>8); |
| | 101 | } |
| | 102 | } |
| | 103 | |
| | 104 | // This optionally copies the instruction from the target of the branch into |
| | 105 | // the space before the branch. Works, but the difference in speed is |
| | 106 | // usually insignificant. |
| | 107 | void set_jump_target_fillslot(int addr,u_int target,int copy) |
| | 108 | { |
| | 109 | u_char *ptr=(u_char *)addr; |
| | 110 | u_int *ptr2=(u_int *)ptr; |
| | 111 | assert(!copy||ptr2[-1]==0xe28dd000); |
| | 112 | if(ptr[3]==0xe2) { |
| | 113 | assert(!copy); |
| | 114 | assert((target-(u_int)ptr2-8)<4096); |
| | 115 | *ptr2=(*ptr2&0xFFFFF000)|(target-(u_int)ptr2-8); |
| | 116 | } |
| | 117 | else { |
| | 118 | assert((ptr[3]&0x0e)==0xa); |
| | 119 | u_int target_insn=*(u_int *)target; |
| | 120 | if((target_insn&0x0e100000)==0) { // ALU, no immediate, no flags |
| | 121 | copy=0; |
| | 122 | } |
| | 123 | if((target_insn&0x0c100000)==0x04100000) { // Load |
| | 124 | copy=0; |
| | 125 | } |
| | 126 | if(target_insn&0x08000000) { |
| | 127 | copy=0; |
| | 128 | } |
| | 129 | if(copy) { |
| | 130 | ptr2[-1]=target_insn; |
| | 131 | target+=4; |
| | 132 | } |
| | 133 | *ptr2=(*ptr2&0xFF000000)|(((target-(u_int)ptr2-8)<<6)>>8); |
| | 134 | } |
| | 135 | } |
| | 136 | |
| | 137 | /* Literal pool */ |
| | 138 | add_literal(int addr,int val) |
| | 139 | { |
| | 140 | literals[literalcount][0]=addr; |
| | 141 | literals[literalcount][1]=val; |
| | 142 | literalcount++; |
| | 143 | } |
| | 144 | |
| | 145 | void *kill_pointer(void *stub) |
| | 146 | { |
| | 147 | int *ptr=(int *)(stub+4); |
| | 148 | assert((*ptr&0x0ff00000)==0x05900000); |
| | 149 | u_int offset=*ptr&0xfff; |
| | 150 | int **l_ptr=(void *)ptr+offset+8; |
| | 151 | int *i_ptr=*l_ptr; |
| | 152 | set_jump_target((int)i_ptr,(int)stub); |
| | 153 | return i_ptr; |
| | 154 | } |
| | 155 | |
| | 156 | int get_pointer(void *stub) |
| | 157 | { |
| | 158 | //printf("get_pointer(%x)\n",(int)stub); |
| | 159 | int *ptr=(int *)(stub+4); |
| | 160 | assert((*ptr&0x0ff00000)==0x05900000); |
| | 161 | u_int offset=*ptr&0xfff; |
| | 162 | int **l_ptr=(void *)ptr+offset+8; |
| | 163 | int *i_ptr=*l_ptr; |
| | 164 | assert((*i_ptr&0x0f000000)==0x0a000000); |
| | 165 | return (int)i_ptr+((*i_ptr<<8)>>6)+8; |
| | 166 | } |
| | 167 | |
| | 168 | // Find the "clean" entry point from a "dirty" entry point |
| | 169 | // by skipping past the call to verify_code |
| | 170 | u_int get_clean_addr(int addr) |
| | 171 | { |
| | 172 | int *ptr=(int *)addr; |
| | 173 | #ifdef ARMv5_ONLY |
| | 174 | ptr+=4; |
| | 175 | #else |
| | 176 | ptr+=6; |
| | 177 | #endif |
| | 178 | if((*ptr&0xFF000000)!=0xeb000000) ptr++; |
| | 179 | assert((*ptr&0xFF000000)==0xeb000000); // bl instruction |
| | 180 | ptr++; |
| | 181 | if((*ptr&0xFF000000)==0xea000000) { |
| | 182 | return (int)ptr+((*ptr<<8)>>6)+8; // follow jump |
| | 183 | } |
| | 184 | return (u_int)ptr; |
| | 185 | } |
| | 186 | |
| | 187 | int verify_dirty(int addr) |
| | 188 | { |
| | 189 | u_int *ptr=(u_int *)addr; |
| | 190 | #ifdef ARMv5_ONLY |
| | 191 | // get from literal pool |
| | 192 | assert((*ptr&0xFFF00000)==0xe5900000); |
| | 193 | u_int offset=*ptr&0xfff; |
| | 194 | u_int *l_ptr=(void *)ptr+offset+8; |
| | 195 | u_int source=l_ptr[0]; |
| | 196 | u_int copy=l_ptr[1]; |
| | 197 | u_int len=l_ptr[2]; |
| | 198 | ptr+=4; |
| | 199 | #else |
| | 200 | // ARMv7 movw/movt |
| | 201 | assert((*ptr&0xFFF00000)==0xe3000000); |
| | 202 | u_int source=(ptr[0]&0xFFF)+((ptr[0]>>4)&0xF000)+((ptr[2]<<16)&0xFFF0000)+((ptr[2]<<12)&0xF0000000); |
| | 203 | u_int copy=(ptr[1]&0xFFF)+((ptr[1]>>4)&0xF000)+((ptr[3]<<16)&0xFFF0000)+((ptr[3]<<12)&0xF0000000); |
| | 204 | u_int len=(ptr[4]&0xFFF)+((ptr[4]>>4)&0xF000); |
| | 205 | ptr+=6; |
| | 206 | #endif |
| | 207 | if((*ptr&0xFF000000)!=0xeb000000) ptr++; |
| | 208 | assert((*ptr&0xFF000000)==0xeb000000); // bl instruction |
| | 209 | u_int verifier=(int)ptr+((signed int)(*ptr<<8)>>6)+8; // get target of bl |
| | 210 | if(verifier==(u_int)verify_code_vm||verifier==(u_int)verify_code_ds) { |
| | 211 | unsigned int page=source>>12; |
| | 212 | unsigned int map_value=memory_map[page]; |
| | 213 | if(map_value>=0x80000000) return 0; |
| | 214 | while(page<((source+len-1)>>12)) { |
| | 215 | if((memory_map[++page]<<2)!=(map_value<<2)) return 0; |
| | 216 | } |
| | 217 | source = source+(map_value<<2); |
| | 218 | } |
| | 219 | //printf("verify_dirty: %x %x %x\n",source,copy,len); |
| | 220 | return !memcmp((void *)source,(void *)copy,len); |
| | 221 | } |
| | 222 | |
| | 223 | // This doesn't necessarily find all clean entry points, just |
| | 224 | // guarantees that it's not dirty |
| | 225 | int isclean(int addr) |
| | 226 | { |
| | 227 | #ifdef ARMv5_ONLY |
| | 228 | int *ptr=((u_int *)addr)+4; |
| | 229 | #else |
| | 230 | int *ptr=((u_int *)addr)+6; |
| | 231 | #endif |
| | 232 | if((*ptr&0xFF000000)!=0xeb000000) ptr++; |
| | 233 | if((*ptr&0xFF000000)!=0xeb000000) return 1; // bl instruction |
| | 234 | if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code) return 0; |
| | 235 | if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code_vm) return 0; |
| | 236 | if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code_ds) return 0; |
| | 237 | return 1; |
| | 238 | } |
| | 239 | |
| | 240 | void get_bounds(int addr,u_int *start,u_int *end) |
| | 241 | { |
| | 242 | u_int *ptr=(u_int *)addr; |
| | 243 | #ifdef ARMv5_ONLY |
| | 244 | // get from literal pool |
| | 245 | assert((*ptr&0xFFF00000)==0xe5900000); |
| | 246 | u_int offset=*ptr&0xfff; |
| | 247 | u_int *l_ptr=(void *)ptr+offset+8; |
| | 248 | u_int source=l_ptr[0]; |
| | 249 | //u_int copy=l_ptr[1]; |
| | 250 | u_int len=l_ptr[2]; |
| | 251 | ptr+=4; |
| | 252 | #else |
| | 253 | // ARMv7 movw/movt |
| | 254 | assert((*ptr&0xFFF00000)==0xe3000000); |
| | 255 | u_int source=(ptr[0]&0xFFF)+((ptr[0]>>4)&0xF000)+((ptr[2]<<16)&0xFFF0000)+((ptr[2]<<12)&0xF0000000); |
| | 256 | //u_int copy=(ptr[1]&0xFFF)+((ptr[1]>>4)&0xF000)+((ptr[3]<<16)&0xFFF0000)+((ptr[3]<<12)&0xF0000000); |
| | 257 | u_int len=(ptr[4]&0xFFF)+((ptr[4]>>4)&0xF000); |
| | 258 | ptr+=6; |
| | 259 | #endif |
| | 260 | if((*ptr&0xFF000000)!=0xeb000000) ptr++; |
| | 261 | assert((*ptr&0xFF000000)==0xeb000000); // bl instruction |
| | 262 | u_int verifier=(int)ptr+((signed int)(*ptr<<8)>>6)+8; // get target of bl |
| | 263 | if(verifier==(u_int)verify_code_vm||verifier==(u_int)verify_code_ds) { |
| | 264 | if(memory_map[source>>12]>=0x80000000) source = 0; |
| | 265 | else source = source+(memory_map[source>>12]<<2); |
| | 266 | } |
| | 267 | *start=source; |
| | 268 | *end=source+len; |
| | 269 | } |
| | 270 | |
| | 271 | /* Register allocation */ |
| | 272 | |
| | 273 | // Note: registers are allocated clean (unmodified state) |
| | 274 | // if you intend to modify the register, you must call dirty_reg(). |
| | 275 | void alloc_reg(struct regstat *cur,int i,signed char reg) |
| | 276 | { |
| | 277 | int r,hr; |
| | 278 | int preferred_reg = (reg&7); |
| | 279 | if(reg==CCREG) preferred_reg=HOST_CCREG; |
| | 280 | if(reg==PTEMP||reg==FTEMP) preferred_reg=12; |
| | 281 | |
| | 282 | // Don't allocate unused registers |
| | 283 | if((cur->u>>reg)&1) return; |
| | 284 | |
| | 285 | // see if it's already allocated |
| | 286 | for(hr=0;hr<HOST_REGS;hr++) |
| | 287 | { |
| | 288 | if(cur->regmap[hr]==reg) return; |
| | 289 | } |
| | 290 | |
| | 291 | // Keep the same mapping if the register was already allocated in a loop |
| | 292 | preferred_reg = loop_reg(i,reg,preferred_reg); |
| | 293 | |
| | 294 | // Try to allocate the preferred register |
| | 295 | if(cur->regmap[preferred_reg]==-1) { |
| | 296 | cur->regmap[preferred_reg]=reg; |
| | 297 | cur->dirty&=~(1<<preferred_reg); |
| | 298 | cur->isconst&=~(1<<preferred_reg); |
| | 299 | return; |
| | 300 | } |
| | 301 | r=cur->regmap[preferred_reg]; |
| | 302 | if(r<64&&((cur->u>>r)&1)) { |
| | 303 | cur->regmap[preferred_reg]=reg; |
| | 304 | cur->dirty&=~(1<<preferred_reg); |
| | 305 | cur->isconst&=~(1<<preferred_reg); |
| | 306 | return; |
| | 307 | } |
| | 308 | if(r>=64&&((cur->uu>>(r&63))&1)) { |
| | 309 | cur->regmap[preferred_reg]=reg; |
| | 310 | cur->dirty&=~(1<<preferred_reg); |
| | 311 | cur->isconst&=~(1<<preferred_reg); |
| | 312 | return; |
| | 313 | } |
| | 314 | |
| | 315 | // Clear any unneeded registers |
| | 316 | // We try to keep the mapping consistent, if possible, because it |
| | 317 | // makes branches easier (especially loops). So we try to allocate |
| | 318 | // first (see above) before removing old mappings. If this is not |
| | 319 | // possible then go ahead and clear out the registers that are no |
| | 320 | // longer needed. |
| | 321 | for(hr=0;hr<HOST_REGS;hr++) |
| | 322 | { |
| | 323 | r=cur->regmap[hr]; |
| | 324 | if(r>=0) { |
| | 325 | if(r<64) { |
| | 326 | if((cur->u>>r)&1) {cur->regmap[hr]=-1;break;} |
| | 327 | } |
| | 328 | else |
| | 329 | { |
| | 330 | if((cur->uu>>(r&63))&1) {cur->regmap[hr]=-1;break;} |
| | 331 | } |
| | 332 | } |
| | 333 | } |
| | 334 | // Try to allocate any available register, but prefer |
| | 335 | // registers that have not been used recently. |
| | 336 | if(i>0) { |
| | 337 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 338 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) { |
| | 339 | 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]) { |
| | 340 | cur->regmap[hr]=reg; |
| | 341 | cur->dirty&=~(1<<hr); |
| | 342 | cur->isconst&=~(1<<hr); |
| | 343 | return; |
| | 344 | } |
| | 345 | } |
| | 346 | } |
| | 347 | } |
| | 348 | // Try to allocate any available register |
| | 349 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 350 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) { |
| | 351 | cur->regmap[hr]=reg; |
| | 352 | cur->dirty&=~(1<<hr); |
| | 353 | cur->isconst&=~(1<<hr); |
| | 354 | return; |
| | 355 | } |
| | 356 | } |
| | 357 | |
| | 358 | // Ok, now we have to evict someone |
| | 359 | // Pick a register we hopefully won't need soon |
| | 360 | u_char hsn[MAXREG+1]; |
| | 361 | memset(hsn,10,sizeof(hsn)); |
| | 362 | int j; |
| | 363 | lsn(hsn,i,&preferred_reg); |
| | 364 | //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]); |
| | 365 | //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]); |
| | 366 | if(i>0) { |
| | 367 | // Don't evict the cycle count at entry points, otherwise the entry |
| | 368 | // stub will have to write it. |
| | 369 | if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2; |
| | 370 | 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; |
| | 371 | for(j=10;j>=3;j--) |
| | 372 | { |
| | 373 | // Alloc preferred register if available |
| | 374 | if(hsn[r=cur->regmap[preferred_reg]&63]==j) { |
| | 375 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 376 | // Evict both parts of a 64-bit register |
| | 377 | if((cur->regmap[hr]&63)==r) { |
| | 378 | cur->regmap[hr]=-1; |
| | 379 | cur->dirty&=~(1<<hr); |
| | 380 | cur->isconst&=~(1<<hr); |
| | 381 | } |
| | 382 | } |
| | 383 | cur->regmap[preferred_reg]=reg; |
| | 384 | return; |
| | 385 | } |
| | 386 | for(r=1;r<=MAXREG;r++) |
| | 387 | { |
| | 388 | if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) { |
| | 389 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 390 | if(hr!=HOST_CCREG||j<hsn[CCREG]) { |
| | 391 | if(cur->regmap[hr]==r+64) { |
| | 392 | cur->regmap[hr]=reg; |
| | 393 | cur->dirty&=~(1<<hr); |
| | 394 | cur->isconst&=~(1<<hr); |
| | 395 | return; |
| | 396 | } |
| | 397 | } |
| | 398 | } |
| | 399 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 400 | if(hr!=HOST_CCREG||j<hsn[CCREG]) { |
| | 401 | if(cur->regmap[hr]==r) { |
| | 402 | cur->regmap[hr]=reg; |
| | 403 | cur->dirty&=~(1<<hr); |
| | 404 | cur->isconst&=~(1<<hr); |
| | 405 | return; |
| | 406 | } |
| | 407 | } |
| | 408 | } |
| | 409 | } |
| | 410 | } |
| | 411 | } |
| | 412 | } |
| | 413 | for(j=10;j>=0;j--) |
| | 414 | { |
| | 415 | for(r=1;r<=MAXREG;r++) |
| | 416 | { |
| | 417 | if(hsn[r]==j) { |
| | 418 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 419 | if(cur->regmap[hr]==r+64) { |
| | 420 | cur->regmap[hr]=reg; |
| | 421 | cur->dirty&=~(1<<hr); |
| | 422 | cur->isconst&=~(1<<hr); |
| | 423 | return; |
| | 424 | } |
| | 425 | } |
| | 426 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 427 | if(cur->regmap[hr]==r) { |
| | 428 | cur->regmap[hr]=reg; |
| | 429 | cur->dirty&=~(1<<hr); |
| | 430 | cur->isconst&=~(1<<hr); |
| | 431 | return; |
| | 432 | } |
| | 433 | } |
| | 434 | } |
| | 435 | } |
| | 436 | } |
| | 437 | printf("This shouldn't happen (alloc_reg)");exit(1); |
| | 438 | } |
| | 439 | |
| | 440 | void alloc_reg64(struct regstat *cur,int i,signed char reg) |
| | 441 | { |
| | 442 | int preferred_reg = 8+(reg&1); |
| | 443 | int r,hr; |
| | 444 | |
| | 445 | // allocate the lower 32 bits |
| | 446 | alloc_reg(cur,i,reg); |
| | 447 | |
| | 448 | // Don't allocate unused registers |
| | 449 | if((cur->uu>>reg)&1) return; |
| | 450 | |
| | 451 | // see if the upper half is already allocated |
| | 452 | for(hr=0;hr<HOST_REGS;hr++) |
| | 453 | { |
| | 454 | if(cur->regmap[hr]==reg+64) return; |
| | 455 | } |
| | 456 | |
| | 457 | // Keep the same mapping if the register was already allocated in a loop |
| | 458 | preferred_reg = loop_reg(i,reg,preferred_reg); |
| | 459 | |
| | 460 | // Try to allocate the preferred register |
| | 461 | if(cur->regmap[preferred_reg]==-1) { |
| | 462 | cur->regmap[preferred_reg]=reg|64; |
| | 463 | cur->dirty&=~(1<<preferred_reg); |
| | 464 | cur->isconst&=~(1<<preferred_reg); |
| | 465 | return; |
| | 466 | } |
| | 467 | r=cur->regmap[preferred_reg]; |
| | 468 | if(r<64&&((cur->u>>r)&1)) { |
| | 469 | cur->regmap[preferred_reg]=reg|64; |
| | 470 | cur->dirty&=~(1<<preferred_reg); |
| | 471 | cur->isconst&=~(1<<preferred_reg); |
| | 472 | return; |
| | 473 | } |
| | 474 | if(r>=64&&((cur->uu>>(r&63))&1)) { |
| | 475 | cur->regmap[preferred_reg]=reg|64; |
| | 476 | cur->dirty&=~(1<<preferred_reg); |
| | 477 | cur->isconst&=~(1<<preferred_reg); |
| | 478 | return; |
| | 479 | } |
| | 480 | |
| | 481 | // Clear any unneeded registers |
| | 482 | // We try to keep the mapping consistent, if possible, because it |
| | 483 | // makes branches easier (especially loops). So we try to allocate |
| | 484 | // first (see above) before removing old mappings. If this is not |
| | 485 | // possible then go ahead and clear out the registers that are no |
| | 486 | // longer needed. |
| | 487 | for(hr=HOST_REGS-1;hr>=0;hr--) |
| | 488 | { |
| | 489 | r=cur->regmap[hr]; |
| | 490 | if(r>=0) { |
| | 491 | if(r<64) { |
| | 492 | if((cur->u>>r)&1) {cur->regmap[hr]=-1;break;} |
| | 493 | } |
| | 494 | else |
| | 495 | { |
| | 496 | if((cur->uu>>(r&63))&1) {cur->regmap[hr]=-1;break;} |
| | 497 | } |
| | 498 | } |
| | 499 | } |
| | 500 | // Try to allocate any available register, but prefer |
| | 501 | // registers that have not been used recently. |
| | 502 | if(i>0) { |
| | 503 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 504 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) { |
| | 505 | 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]) { |
| | 506 | cur->regmap[hr]=reg|64; |
| | 507 | cur->dirty&=~(1<<hr); |
| | 508 | cur->isconst&=~(1<<hr); |
| | 509 | return; |
| | 510 | } |
| | 511 | } |
| | 512 | } |
| | 513 | } |
| | 514 | // Try to allocate any available register |
| | 515 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 516 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) { |
| | 517 | cur->regmap[hr]=reg|64; |
| | 518 | cur->dirty&=~(1<<hr); |
| | 519 | cur->isconst&=~(1<<hr); |
| | 520 | return; |
| | 521 | } |
| | 522 | } |
| | 523 | |
| | 524 | // Ok, now we have to evict someone |
| | 525 | // Pick a register we hopefully won't need soon |
| | 526 | u_char hsn[MAXREG+1]; |
| | 527 | memset(hsn,10,sizeof(hsn)); |
| | 528 | int j; |
| | 529 | lsn(hsn,i,&preferred_reg); |
| | 530 | //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]); |
| | 531 | //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]); |
| | 532 | if(i>0) { |
| | 533 | // Don't evict the cycle count at entry points, otherwise the entry |
| | 534 | // stub will have to write it. |
| | 535 | if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2; |
| | 536 | 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; |
| | 537 | for(j=10;j>=3;j--) |
| | 538 | { |
| | 539 | // Alloc preferred register if available |
| | 540 | if(hsn[r=cur->regmap[preferred_reg]&63]==j) { |
| | 541 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 542 | // Evict both parts of a 64-bit register |
| | 543 | if((cur->regmap[hr]&63)==r) { |
| | 544 | cur->regmap[hr]=-1; |
| | 545 | cur->dirty&=~(1<<hr); |
| | 546 | cur->isconst&=~(1<<hr); |
| | 547 | } |
| | 548 | } |
| | 549 | cur->regmap[preferred_reg]=reg|64; |
| | 550 | return; |
| | 551 | } |
| | 552 | for(r=1;r<=MAXREG;r++) |
| | 553 | { |
| | 554 | if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) { |
| | 555 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 556 | if(hr!=HOST_CCREG||j<hsn[CCREG]) { |
| | 557 | if(cur->regmap[hr]==r+64) { |
| | 558 | cur->regmap[hr]=reg|64; |
| | 559 | cur->dirty&=~(1<<hr); |
| | 560 | cur->isconst&=~(1<<hr); |
| | 561 | return; |
| | 562 | } |
| | 563 | } |
| | 564 | } |
| | 565 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 566 | if(hr!=HOST_CCREG||j<hsn[CCREG]) { |
| | 567 | if(cur->regmap[hr]==r) { |
| | 568 | cur->regmap[hr]=reg|64; |
| | 569 | cur->dirty&=~(1<<hr); |
| | 570 | cur->isconst&=~(1<<hr); |
| | 571 | return; |
| | 572 | } |
| | 573 | } |
| | 574 | } |
| | 575 | } |
| | 576 | } |
| | 577 | } |
| | 578 | } |
| | 579 | for(j=10;j>=0;j--) |
| | 580 | { |
| | 581 | for(r=1;r<=MAXREG;r++) |
| | 582 | { |
| | 583 | if(hsn[r]==j) { |
| | 584 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 585 | if(cur->regmap[hr]==r+64) { |
| | 586 | cur->regmap[hr]=reg|64; |
| | 587 | cur->dirty&=~(1<<hr); |
| | 588 | cur->isconst&=~(1<<hr); |
| | 589 | return; |
| | 590 | } |
| | 591 | } |
| | 592 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 593 | if(cur->regmap[hr]==r) { |
| | 594 | cur->regmap[hr]=reg|64; |
| | 595 | cur->dirty&=~(1<<hr); |
| | 596 | cur->isconst&=~(1<<hr); |
| | 597 | return; |
| | 598 | } |
| | 599 | } |
| | 600 | } |
| | 601 | } |
| | 602 | } |
| | 603 | printf("This shouldn't happen");exit(1); |
| | 604 | } |
| | 605 | |
| | 606 | // Allocate a temporary register. This is done without regard to |
| | 607 | // dirty status or whether the register we request is on the unneeded list |
| | 608 | // Note: This will only allocate one register, even if called multiple times |
| | 609 | void alloc_reg_temp(struct regstat *cur,int i,signed char reg) |
| | 610 | { |
| | 611 | int r,hr; |
| | 612 | int preferred_reg = -1; |
| | 613 | |
| | 614 | // see if it's already allocated |
| | 615 | for(hr=0;hr<HOST_REGS;hr++) |
| | 616 | { |
| | 617 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==reg) return; |
| | 618 | } |
| | 619 | |
| | 620 | // Try to allocate any available register |
| | 621 | for(hr=HOST_REGS-1;hr>=0;hr--) { |
| | 622 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) { |
| | 623 | cur->regmap[hr]=reg; |
| | 624 | cur->dirty&=~(1<<hr); |
| | 625 | cur->isconst&=~(1<<hr); |
| | 626 | return; |
| | 627 | } |
| | 628 | } |
| | 629 | |
| | 630 | // Find an unneeded register |
| | 631 | for(hr=HOST_REGS-1;hr>=0;hr--) |
| | 632 | { |
| | 633 | r=cur->regmap[hr]; |
| | 634 | if(r>=0) { |
| | 635 | if(r<64) { |
| | 636 | if((cur->u>>r)&1) { |
| | 637 | if(i==0||((unneeded_reg[i-1]>>r)&1)) { |
| | 638 | cur->regmap[hr]=reg; |
| | 639 | cur->dirty&=~(1<<hr); |
| | 640 | cur->isconst&=~(1<<hr); |
| | 641 | return; |
| | 642 | } |
| | 643 | } |
| | 644 | } |
| | 645 | else |
| | 646 | { |
| | 647 | if((cur->uu>>(r&63))&1) { |
| | 648 | if(i==0||((unneeded_reg_upper[i-1]>>(r&63))&1)) { |
| | 649 | cur->regmap[hr]=reg; |
| | 650 | cur->dirty&=~(1<<hr); |
| | 651 | cur->isconst&=~(1<<hr); |
| | 652 | return; |
| | 653 | } |
| | 654 | } |
| | 655 | } |
| | 656 | } |
| | 657 | } |
| | 658 | |
| | 659 | // Ok, now we have to evict someone |
| | 660 | // Pick a register we hopefully won't need soon |
| | 661 | // TODO: we might want to follow unconditional jumps here |
| | 662 | // TODO: get rid of dupe code and make this into a function |
| | 663 | u_char hsn[MAXREG+1]; |
| | 664 | memset(hsn,10,sizeof(hsn)); |
| | 665 | int j; |
| | 666 | lsn(hsn,i,&preferred_reg); |
| | 667 | //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]); |
| | 668 | if(i>0) { |
| | 669 | // Don't evict the cycle count at entry points, otherwise the entry |
| | 670 | // stub will have to write it. |
| | 671 | if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2; |
| | 672 | 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; |
| | 673 | for(j=10;j>=3;j--) |
| | 674 | { |
| | 675 | for(r=1;r<=MAXREG;r++) |
| | 676 | { |
| | 677 | if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) { |
| | 678 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 679 | if(hr!=HOST_CCREG||hsn[CCREG]>2) { |
| | 680 | if(cur->regmap[hr]==r+64) { |
| | 681 | cur->regmap[hr]=reg; |
| | 682 | cur->dirty&=~(1<<hr); |
| | 683 | cur->isconst&=~(1<<hr); |
| | 684 | return; |
| | 685 | } |
| | 686 | } |
| | 687 | } |
| | 688 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 689 | if(hr!=HOST_CCREG||hsn[CCREG]>2) { |
| | 690 | if(cur->regmap[hr]==r) { |
| | 691 | cur->regmap[hr]=reg; |
| | 692 | cur->dirty&=~(1<<hr); |
| | 693 | cur->isconst&=~(1<<hr); |
| | 694 | return; |
| | 695 | } |
| | 696 | } |
| | 697 | } |
| | 698 | } |
| | 699 | } |
| | 700 | } |
| | 701 | } |
| | 702 | for(j=10;j>=0;j--) |
| | 703 | { |
| | 704 | for(r=1;r<=MAXREG;r++) |
| | 705 | { |
| | 706 | if(hsn[r]==j) { |
| | 707 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 708 | if(cur->regmap[hr]==r+64) { |
| | 709 | cur->regmap[hr]=reg; |
| | 710 | cur->dirty&=~(1<<hr); |
| | 711 | cur->isconst&=~(1<<hr); |
| | 712 | return; |
| | 713 | } |
| | 714 | } |
| | 715 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 716 | if(cur->regmap[hr]==r) { |
| | 717 | cur->regmap[hr]=reg; |
| | 718 | cur->dirty&=~(1<<hr); |
| | 719 | cur->isconst&=~(1<<hr); |
| | 720 | return; |
| | 721 | } |
| | 722 | } |
| | 723 | } |
| | 724 | } |
| | 725 | } |
| | 726 | printf("This shouldn't happen");exit(1); |
| | 727 | } |
| | 728 | // Allocate a specific ARM register. |
| | 729 | void alloc_arm_reg(struct regstat *cur,int i,signed char reg,char hr) |
| | 730 | { |
| | 731 | int n; |
| | 732 | |
| | 733 | // see if it's already allocated (and dealloc it) |
| | 734 | for(n=0;n<HOST_REGS;n++) |
| | 735 | { |
| | 736 | if(n!=EXCLUDE_REG&&cur->regmap[n]==reg) {cur->regmap[n]=-1;} |
| | 737 | } |
| | 738 | |
| | 739 | cur->regmap[hr]=reg; |
| | 740 | cur->dirty&=~(1<<hr); |
| | 741 | cur->isconst&=~(1<<hr); |
| | 742 | } |
| | 743 | |
| | 744 | // Alloc cycle count into dedicated register |
| | 745 | alloc_cc(struct regstat *cur,int i) |
| | 746 | { |
| | 747 | alloc_arm_reg(cur,i,CCREG,HOST_CCREG); |
| | 748 | } |
| | 749 | |
| | 750 | /* Special alloc */ |
| | 751 | |
| | 752 | |
| | 753 | /* Assembler */ |
| | 754 | |
| | 755 | char regname[16][4] = { |
| | 756 | "r0", |
| | 757 | "r1", |
| | 758 | "r2", |
| | 759 | "r3", |
| | 760 | "r4", |
| | 761 | "r5", |
| | 762 | "r6", |
| | 763 | "r7", |
| | 764 | "r8", |
| | 765 | "r9", |
| | 766 | "r10", |
| | 767 | "fp", |
| | 768 | "r12", |
| | 769 | "sp", |
| | 770 | "lr", |
| | 771 | "pc"}; |
| | 772 | |
| | 773 | void output_byte(u_char byte) |
| | 774 | { |
| | 775 | *(out++)=byte; |
| | 776 | } |
| | 777 | void output_modrm(u_char mod,u_char rm,u_char ext) |
| | 778 | { |
| | 779 | assert(mod<4); |
| | 780 | assert(rm<8); |
| | 781 | assert(ext<8); |
| | 782 | u_char byte=(mod<<6)|(ext<<3)|rm; |
| | 783 | *(out++)=byte; |
| | 784 | } |
| | 785 | void output_sib(u_char scale,u_char index,u_char base) |
| | 786 | { |
| | 787 | assert(scale<4); |
| | 788 | assert(index<8); |
| | 789 | assert(base<8); |
| | 790 | u_char byte=(scale<<6)|(index<<3)|base; |
| | 791 | *(out++)=byte; |
| | 792 | } |
| | 793 | void output_w32(u_int word) |
| | 794 | { |
| | 795 | *((u_int *)out)=word; |
| | 796 | out+=4; |
| | 797 | } |
| | 798 | u_int rd_rn_rm(u_int rd, u_int rn, u_int rm) |
| | 799 | { |
| | 800 | assert(rd<16); |
| | 801 | assert(rn<16); |
| | 802 | assert(rm<16); |
| | 803 | return((rn<<16)|(rd<<12)|rm); |
| | 804 | } |
| | 805 | u_int rd_rn_imm_shift(u_int rd, u_int rn, u_int imm, u_int shift) |
| | 806 | { |
| | 807 | assert(rd<16); |
| | 808 | assert(rn<16); |
| | 809 | assert(imm<256); |
| | 810 | assert((shift&1)==0); |
| | 811 | return((rn<<16)|(rd<<12)|(((32-shift)&30)<<7)|imm); |
| | 812 | } |
| | 813 | u_int genimm(u_int imm,u_int *encoded) |
| | 814 | { |
| | 815 | if(imm==0) {*encoded=0;return 1;} |
| | 816 | int i=32; |
| | 817 | while(i>0) |
| | 818 | { |
| | 819 | if(imm<256) { |
| | 820 | *encoded=((i&30)<<7)|imm; |
| | 821 | return 1; |
| | 822 | } |
| | 823 | imm=(imm>>2)|(imm<<30);i-=2; |
| | 824 | } |
| | 825 | return 0; |
| | 826 | } |
| | 827 | void genimm_checked(u_int imm,u_int *encoded) |
| | 828 | { |
| | 829 | u_int ret=genimm(imm,encoded); |
| | 830 | assert(ret); |
| | 831 | } |
| | 832 | u_int genjmp(u_int addr) |
| | 833 | { |
| | 834 | int offset=addr-(int)out-8; |
| | 835 | if(offset<-33554432||offset>=33554432) { |
| | 836 | if (addr>2) { |
| | 837 | printf("genjmp: out of range: %08x\n", offset); |
| | 838 | exit(1); |
| | 839 | } |
| | 840 | return 0; |
| | 841 | } |
| | 842 | return ((u_int)offset>>2)&0xffffff; |
| | 843 | } |
| | 844 | |
| | 845 | void emit_mov(int rs,int rt) |
| | 846 | { |
| | 847 | assem_debug("mov %s,%s\n",regname[rt],regname[rs]); |
| | 848 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)); |
| | 849 | } |
| | 850 | |
| | 851 | void emit_movs(int rs,int rt) |
| | 852 | { |
| | 853 | assem_debug("movs %s,%s\n",regname[rt],regname[rs]); |
| | 854 | output_w32(0xe1b00000|rd_rn_rm(rt,0,rs)); |
| | 855 | } |
| | 856 | |
| | 857 | void emit_add(int rs1,int rs2,int rt) |
| | 858 | { |
| | 859 | assem_debug("add %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| | 860 | output_w32(0xe0800000|rd_rn_rm(rt,rs1,rs2)); |
| | 861 | } |
| | 862 | |
| | 863 | void emit_adds(int rs1,int rs2,int rt) |
| | 864 | { |
| | 865 | assem_debug("adds %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| | 866 | output_w32(0xe0900000|rd_rn_rm(rt,rs1,rs2)); |
| | 867 | } |
| | 868 | |
| | 869 | void emit_adcs(int rs1,int rs2,int rt) |
| | 870 | { |
| | 871 | assem_debug("adcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| | 872 | output_w32(0xe0b00000|rd_rn_rm(rt,rs1,rs2)); |
| | 873 | } |
| | 874 | |
| | 875 | void emit_sbc(int rs1,int rs2,int rt) |
| | 876 | { |
| | 877 | assem_debug("sbc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| | 878 | output_w32(0xe0c00000|rd_rn_rm(rt,rs1,rs2)); |
| | 879 | } |
| | 880 | |
| | 881 | void emit_sbcs(int rs1,int rs2,int rt) |
| | 882 | { |
| | 883 | assem_debug("sbcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| | 884 | output_w32(0xe0d00000|rd_rn_rm(rt,rs1,rs2)); |
| | 885 | } |
| | 886 | |
| | 887 | void emit_neg(int rs, int rt) |
| | 888 | { |
| | 889 | assem_debug("rsb %s,%s,#0\n",regname[rt],regname[rs]); |
| | 890 | output_w32(0xe2600000|rd_rn_rm(rt,rs,0)); |
| | 891 | } |
| | 892 | |
| | 893 | void emit_negs(int rs, int rt) |
| | 894 | { |
| | 895 | assem_debug("rsbs %s,%s,#0\n",regname[rt],regname[rs]); |
| | 896 | output_w32(0xe2700000|rd_rn_rm(rt,rs,0)); |
| | 897 | } |
| | 898 | |
| | 899 | void emit_sub(int rs1,int rs2,int rt) |
| | 900 | { |
| | 901 | assem_debug("sub %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| | 902 | output_w32(0xe0400000|rd_rn_rm(rt,rs1,rs2)); |
| | 903 | } |
| | 904 | |
| | 905 | void emit_subs(int rs1,int rs2,int rt) |
| | 906 | { |
| | 907 | assem_debug("subs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| | 908 | output_w32(0xe0500000|rd_rn_rm(rt,rs1,rs2)); |
| | 909 | } |
| | 910 | |
| | 911 | void emit_zeroreg(int rt) |
| | 912 | { |
| | 913 | assem_debug("mov %s,#0\n",regname[rt]); |
| | 914 | output_w32(0xe3a00000|rd_rn_rm(rt,0,0)); |
| | 915 | } |
| | 916 | |
| | 917 | void emit_loadreg(int r, int hr) |
| | 918 | { |
| | 919 | #ifdef FORCE32 |
| | 920 | if(r&64) { |
| | 921 | printf("64bit load in 32bit mode!\n"); |
| | 922 | exit(1); |
| | 923 | } |
| | 924 | #endif |
| | 925 | if((r&63)==0) |
| | 926 | emit_zeroreg(hr); |
| | 927 | else { |
| | 928 | int addr=((int)reg)+((r&63)<<REG_SHIFT)+((r&64)>>4); |
| | 929 | if((r&63)==HIREG) addr=(int)&hi+((r&64)>>4); |
| | 930 | if((r&63)==LOREG) addr=(int)&lo+((r&64)>>4); |
| | 931 | if(r==CCREG) addr=(int)&cycle_count; |
| | 932 | if(r==CSREG) addr=(int)&Status; |
| | 933 | if(r==FSREG) addr=(int)&FCR31; |
| | 934 | if(r==INVCP) addr=(int)&invc_ptr; |
| | 935 | u_int offset = addr-(u_int)&dynarec_local; |
| | 936 | assert(offset<4096); |
| | 937 | assem_debug("ldr %s,fp+%d\n",regname[hr],offset); |
| | 938 | output_w32(0xe5900000|rd_rn_rm(hr,FP,0)|offset); |
| | 939 | } |
| | 940 | } |
| | 941 | void emit_storereg(int r, int hr) |
| | 942 | { |
| | 943 | #ifdef FORCE32 |
| | 944 | if(r&64) { |
| | 945 | printf("64bit store in 32bit mode!\n"); |
| | 946 | exit(1); |
| | 947 | } |
| | 948 | #endif |
| | 949 | int addr=((int)reg)+((r&63)<<REG_SHIFT)+((r&64)>>4); |
| | 950 | if((r&63)==HIREG) addr=(int)&hi+((r&64)>>4); |
| | 951 | if((r&63)==LOREG) addr=(int)&lo+((r&64)>>4); |
| | 952 | if(r==CCREG) addr=(int)&cycle_count; |
| | 953 | if(r==FSREG) addr=(int)&FCR31; |
| | 954 | u_int offset = addr-(u_int)&dynarec_local; |
| | 955 | assert(offset<4096); |
| | 956 | assem_debug("str %s,fp+%d\n",regname[hr],offset); |
| | 957 | output_w32(0xe5800000|rd_rn_rm(hr,FP,0)|offset); |
| | 958 | } |
| | 959 | |
| | 960 | void emit_test(int rs, int rt) |
| | 961 | { |
| | 962 | assem_debug("tst %s,%s\n",regname[rs],regname[rt]); |
| | 963 | output_w32(0xe1100000|rd_rn_rm(0,rs,rt)); |
| | 964 | } |
| | 965 | |
| | 966 | void emit_testimm(int rs,int imm) |
| | 967 | { |
| | 968 | u_int armval; |
| | 969 | assem_debug("tst %s,$%d\n",regname[rs],imm); |
| | 970 | genimm_checked(imm,&armval); |
| | 971 | output_w32(0xe3100000|rd_rn_rm(0,rs,0)|armval); |
| | 972 | } |
| | 973 | |
| | 974 | void emit_testeqimm(int rs,int imm) |
| | 975 | { |
| | 976 | u_int armval; |
| | 977 | assem_debug("tsteq %s,$%d\n",regname[rs],imm); |
| | 978 | genimm_checked(imm,&armval); |
| | 979 | output_w32(0x03100000|rd_rn_rm(0,rs,0)|armval); |
| | 980 | } |
| | 981 | |
| | 982 | void emit_not(int rs,int rt) |
| | 983 | { |
| | 984 | assem_debug("mvn %s,%s\n",regname[rt],regname[rs]); |
| | 985 | output_w32(0xe1e00000|rd_rn_rm(rt,0,rs)); |
| | 986 | } |
| | 987 | |
| | 988 | void emit_mvnmi(int rs,int rt) |
| | 989 | { |
| | 990 | assem_debug("mvnmi %s,%s\n",regname[rt],regname[rs]); |
| | 991 | output_w32(0x41e00000|rd_rn_rm(rt,0,rs)); |
| | 992 | } |
| | 993 | |
| | 994 | void emit_and(u_int rs1,u_int rs2,u_int rt) |
| | 995 | { |
| | 996 | assem_debug("and %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| | 997 | output_w32(0xe0000000|rd_rn_rm(rt,rs1,rs2)); |
| | 998 | } |
| | 999 | |
| | 1000 | void emit_or(u_int rs1,u_int rs2,u_int rt) |
| | 1001 | { |
| | 1002 | assem_debug("orr %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| | 1003 | output_w32(0xe1800000|rd_rn_rm(rt,rs1,rs2)); |
| | 1004 | } |
| | 1005 | void emit_or_and_set_flags(int rs1,int rs2,int rt) |
| | 1006 | { |
| | 1007 | assem_debug("orrs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| | 1008 | output_w32(0xe1900000|rd_rn_rm(rt,rs1,rs2)); |
| | 1009 | } |
| | 1010 | |
| | 1011 | void emit_orrshl_imm(u_int rs,u_int imm,u_int rt) |
| | 1012 | { |
| | 1013 | assert(rs<16); |
| | 1014 | assert(rt<16); |
| | 1015 | assert(imm<32); |
| | 1016 | assem_debug("orr %s,%s,%s,lsl #%d\n",regname[rt],regname[rt],regname[rs],imm); |
| | 1017 | output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|(imm<<7)); |
| | 1018 | } |
| | 1019 | |
| | 1020 | void emit_orrshr_imm(u_int rs,u_int imm,u_int rt) |
| | 1021 | { |
| | 1022 | assert(rs<16); |
| | 1023 | assert(rt<16); |
| | 1024 | assert(imm<32); |
| | 1025 | assem_debug("orr %s,%s,%s,lsr #%d\n",regname[rt],regname[rt],regname[rs],imm); |
| | 1026 | output_w32(0xe1800020|rd_rn_rm(rt,rt,rs)|(imm<<7)); |
| | 1027 | } |
| | 1028 | |
| | 1029 | void emit_xor(u_int rs1,u_int rs2,u_int rt) |
| | 1030 | { |
| | 1031 | assem_debug("eor %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| | 1032 | output_w32(0xe0200000|rd_rn_rm(rt,rs1,rs2)); |
| | 1033 | } |
| | 1034 | |
| | 1035 | void emit_loadlp(u_int imm,u_int rt) |
| | 1036 | { |
| | 1037 | add_literal((int)out,imm); |
| | 1038 | assem_debug("ldr %s,pc+? [=%x]\n",regname[rt],imm); |
| | 1039 | output_w32(0xe5900000|rd_rn_rm(rt,15,0)); |
| | 1040 | } |
| | 1041 | void emit_movw(u_int imm,u_int rt) |
| | 1042 | { |
| | 1043 | assert(imm<65536); |
| | 1044 | assem_debug("movw %s,#%d (0x%x)\n",regname[rt],imm,imm); |
| | 1045 | output_w32(0xe3000000|rd_rn_rm(rt,0,0)|(imm&0xfff)|((imm<<4)&0xf0000)); |
| | 1046 | } |
| | 1047 | void emit_movt(u_int imm,u_int rt) |
| | 1048 | { |
| | 1049 | assem_debug("movt %s,#%d (0x%x)\n",regname[rt],imm&0xffff0000,imm&0xffff0000); |
| | 1050 | output_w32(0xe3400000|rd_rn_rm(rt,0,0)|((imm>>16)&0xfff)|((imm>>12)&0xf0000)); |
| | 1051 | } |
| | 1052 | void emit_movimm(u_int imm,u_int rt) |
| | 1053 | { |
| | 1054 | u_int armval; |
| | 1055 | if(genimm(imm,&armval)) { |
| | 1056 | assem_debug("mov %s,#%d\n",regname[rt],imm); |
| | 1057 | output_w32(0xe3a00000|rd_rn_rm(rt,0,0)|armval); |
| | 1058 | }else if(genimm(~imm,&armval)) { |
| | 1059 | assem_debug("mvn %s,#%d\n",regname[rt],imm); |
| | 1060 | output_w32(0xe3e00000|rd_rn_rm(rt,0,0)|armval); |
| | 1061 | }else if(imm<65536) { |
| | 1062 | #ifdef ARMv5_ONLY |
| | 1063 | assem_debug("mov %s,#%d\n",regname[rt],imm&0xFF00); |
| | 1064 | output_w32(0xe3a00000|rd_rn_imm_shift(rt,0,imm>>8,8)); |
| | 1065 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF); |
| | 1066 | output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
| | 1067 | #else |
| | 1068 | emit_movw(imm,rt); |
| | 1069 | #endif |
| | 1070 | }else{ |
| | 1071 | #ifdef ARMv5_ONLY |
| | 1072 | emit_loadlp(imm,rt); |
| | 1073 | #else |
| | 1074 | emit_movw(imm&0x0000FFFF,rt); |
| | 1075 | emit_movt(imm&0xFFFF0000,rt); |
| | 1076 | #endif |
| | 1077 | } |
| | 1078 | } |
| | 1079 | void emit_pcreladdr(u_int rt) |
| | 1080 | { |
| | 1081 | assem_debug("add %s,pc,#?\n",regname[rt]); |
| | 1082 | output_w32(0xe2800000|rd_rn_rm(rt,15,0)); |
| | 1083 | } |
| | 1084 | |
| | 1085 | void emit_addimm(u_int rs,int imm,u_int rt) |
| | 1086 | { |
| | 1087 | assert(rs<16); |
| | 1088 | assert(rt<16); |
| | 1089 | if(imm!=0) { |
| | 1090 | assert(imm>-65536&&imm<65536); |
| | 1091 | u_int armval; |
| | 1092 | if(genimm(imm,&armval)) { |
| | 1093 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 1094 | output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval); |
| | 1095 | }else if(genimm(-imm,&armval)) { |
| | 1096 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 1097 | output_w32(0xe2400000|rd_rn_rm(rt,rs,0)|armval); |
| | 1098 | }else if(imm<0) { |
| | 1099 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],(-imm)&0xFF00); |
| | 1100 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF); |
| | 1101 | output_w32(0xe2400000|rd_rn_imm_shift(rt,rs,(-imm)>>8,8)); |
| | 1102 | output_w32(0xe2400000|rd_rn_imm_shift(rt,rt,(-imm)&0xff,0)); |
| | 1103 | }else{ |
| | 1104 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00); |
| | 1105 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF); |
| | 1106 | output_w32(0xe2800000|rd_rn_imm_shift(rt,rs,imm>>8,8)); |
| | 1107 | output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
| | 1108 | } |
| | 1109 | } |
| | 1110 | else if(rs!=rt) emit_mov(rs,rt); |
| | 1111 | } |
| | 1112 | |
| | 1113 | void emit_addimm_and_set_flags(int imm,int rt) |
| | 1114 | { |
| | 1115 | assert(imm>-65536&&imm<65536); |
| | 1116 | u_int armval; |
| | 1117 | if(genimm(imm,&armval)) { |
| | 1118 | assem_debug("adds %s,%s,#%d\n",regname[rt],regname[rt],imm); |
| | 1119 | output_w32(0xe2900000|rd_rn_rm(rt,rt,0)|armval); |
| | 1120 | }else if(genimm(-imm,&armval)) { |
| | 1121 | assem_debug("subs %s,%s,#%d\n",regname[rt],regname[rt],imm); |
| | 1122 | output_w32(0xe2500000|rd_rn_rm(rt,rt,0)|armval); |
| | 1123 | }else if(imm<0) { |
| | 1124 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF00); |
| | 1125 | assem_debug("subs %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF); |
| | 1126 | output_w32(0xe2400000|rd_rn_imm_shift(rt,rt,(-imm)>>8,8)); |
| | 1127 | output_w32(0xe2500000|rd_rn_imm_shift(rt,rt,(-imm)&0xff,0)); |
| | 1128 | }else{ |
| | 1129 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF00); |
| | 1130 | assem_debug("adds %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF); |
| | 1131 | output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm>>8,8)); |
| | 1132 | output_w32(0xe2900000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
| | 1133 | } |
| | 1134 | } |
| | 1135 | void emit_addimm_no_flags(u_int imm,u_int rt) |
| | 1136 | { |
| | 1137 | emit_addimm(rt,imm,rt); |
| | 1138 | } |
| | 1139 | |
| | 1140 | void emit_addnop(u_int r) |
| | 1141 | { |
| | 1142 | assert(r<16); |
| | 1143 | assem_debug("add %s,%s,#0 (nop)\n",regname[r],regname[r]); |
| | 1144 | output_w32(0xe2800000|rd_rn_rm(r,r,0)); |
| | 1145 | } |
| | 1146 | |
| | 1147 | void emit_adcimm(u_int rs,int imm,u_int rt) |
| | 1148 | { |
| | 1149 | u_int armval; |
| | 1150 | genimm_checked(imm,&armval); |
| | 1151 | assem_debug("adc %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 1152 | output_w32(0xe2a00000|rd_rn_rm(rt,rs,0)|armval); |
| | 1153 | } |
| | 1154 | /*void emit_sbcimm(int imm,u_int rt) |
| | 1155 | { |
| | 1156 | u_int armval; |
| | 1157 | genimm_checked(imm,&armval); |
| | 1158 | assem_debug("sbc %s,%s,#%d\n",regname[rt],regname[rt],imm); |
| | 1159 | output_w32(0xe2c00000|rd_rn_rm(rt,rt,0)|armval); |
| | 1160 | }*/ |
| | 1161 | void emit_sbbimm(int imm,u_int rt) |
| | 1162 | { |
| | 1163 | assem_debug("sbb $%d,%%%s\n",imm,regname[rt]); |
| | 1164 | assert(rt<8); |
| | 1165 | if(imm<128&&imm>=-128) { |
| | 1166 | output_byte(0x83); |
| | 1167 | output_modrm(3,rt,3); |
| | 1168 | output_byte(imm); |
| | 1169 | } |
| | 1170 | else |
| | 1171 | { |
| | 1172 | output_byte(0x81); |
| | 1173 | output_modrm(3,rt,3); |
| | 1174 | output_w32(imm); |
| | 1175 | } |
| | 1176 | } |
| | 1177 | void emit_rscimm(int rs,int imm,u_int rt) |
| | 1178 | { |
| | 1179 | assert(0); |
| | 1180 | u_int armval; |
| | 1181 | genimm_checked(imm,&armval); |
| | 1182 | assem_debug("rsc %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 1183 | output_w32(0xe2e00000|rd_rn_rm(rt,rs,0)|armval); |
| | 1184 | } |
| | 1185 | |
| | 1186 | void emit_addimm64_32(int rsh,int rsl,int imm,int rth,int rtl) |
| | 1187 | { |
| | 1188 | // TODO: if(genimm(imm,&armval)) ... |
| | 1189 | // else |
| | 1190 | emit_movimm(imm,HOST_TEMPREG); |
| | 1191 | emit_adds(HOST_TEMPREG,rsl,rtl); |
| | 1192 | emit_adcimm(rsh,0,rth); |
| | 1193 | } |
| | 1194 | |
| | 1195 | void emit_sbb(int rs1,int rs2) |
| | 1196 | { |
| | 1197 | assem_debug("sbb %%%s,%%%s\n",regname[rs2],regname[rs1]); |
| | 1198 | output_byte(0x19); |
| | 1199 | output_modrm(3,rs1,rs2); |
| | 1200 | } |
| | 1201 | |
| | 1202 | void emit_andimm(int rs,int imm,int rt) |
| | 1203 | { |
| | 1204 | u_int armval; |
| | 1205 | if(genimm(imm,&armval)) { |
| | 1206 | assem_debug("and %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 1207 | output_w32(0xe2000000|rd_rn_rm(rt,rs,0)|armval); |
| | 1208 | }else if(genimm(~imm,&armval)) { |
| | 1209 | assem_debug("bic %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 1210 | output_w32(0xe3c00000|rd_rn_rm(rt,rs,0)|armval); |
| | 1211 | }else if(imm==65535) { |
| | 1212 | #ifdef ARMv5_ONLY |
| | 1213 | assem_debug("bic %s,%s,#FF000000\n",regname[rt],regname[rs]); |
| | 1214 | output_w32(0xe3c00000|rd_rn_rm(rt,rs,0)|0x4FF); |
| | 1215 | assem_debug("bic %s,%s,#00FF0000\n",regname[rt],regname[rt]); |
| | 1216 | output_w32(0xe3c00000|rd_rn_rm(rt,rt,0)|0x8FF); |
| | 1217 | #else |
| | 1218 | assem_debug("uxth %s,%s\n",regname[rt],regname[rs]); |
| | 1219 | output_w32(0xe6ff0070|rd_rn_rm(rt,0,rs)); |
| | 1220 | #endif |
| | 1221 | }else{ |
| | 1222 | assert(imm>0&&imm<65535); |
| | 1223 | #ifdef ARMv5_ONLY |
| | 1224 | assem_debug("mov r14,#%d\n",imm&0xFF00); |
| | 1225 | output_w32(0xe3a00000|rd_rn_imm_shift(HOST_TEMPREG,0,imm>>8,8)); |
| | 1226 | assem_debug("add r14,r14,#%d\n",imm&0xFF); |
| | 1227 | output_w32(0xe2800000|rd_rn_imm_shift(HOST_TEMPREG,HOST_TEMPREG,imm&0xff,0)); |
| | 1228 | #else |
| | 1229 | emit_movw(imm,HOST_TEMPREG); |
| | 1230 | #endif |
| | 1231 | assem_debug("and %s,%s,r14\n",regname[rt],regname[rs]); |
| | 1232 | output_w32(0xe0000000|rd_rn_rm(rt,rs,HOST_TEMPREG)); |
| | 1233 | } |
| | 1234 | } |
| | 1235 | |
| | 1236 | void emit_orimm(int rs,int imm,int rt) |
| | 1237 | { |
| | 1238 | u_int armval; |
| | 1239 | if(genimm(imm,&armval)) { |
| | 1240 | assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 1241 | output_w32(0xe3800000|rd_rn_rm(rt,rs,0)|armval); |
| | 1242 | }else{ |
| | 1243 | assert(imm>0&&imm<65536); |
| | 1244 | assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00); |
| | 1245 | assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF); |
| | 1246 | output_w32(0xe3800000|rd_rn_imm_shift(rt,rs,imm>>8,8)); |
| | 1247 | output_w32(0xe3800000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
| | 1248 | } |
| | 1249 | } |
| | 1250 | |
| | 1251 | void emit_xorimm(int rs,int imm,int rt) |
| | 1252 | { |
| | 1253 | u_int armval; |
| | 1254 | if(genimm(imm,&armval)) { |
| | 1255 | assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 1256 | output_w32(0xe2200000|rd_rn_rm(rt,rs,0)|armval); |
| | 1257 | }else{ |
| | 1258 | assert(imm>0&&imm<65536); |
| | 1259 | assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00); |
| | 1260 | assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF); |
| | 1261 | output_w32(0xe2200000|rd_rn_imm_shift(rt,rs,imm>>8,8)); |
| | 1262 | output_w32(0xe2200000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
| | 1263 | } |
| | 1264 | } |
| | 1265 | |
| | 1266 | void emit_shlimm(int rs,u_int imm,int rt) |
| | 1267 | { |
| | 1268 | assert(imm>0); |
| | 1269 | assert(imm<32); |
| | 1270 | //if(imm==1) ... |
| | 1271 | assem_debug("lsl %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 1272 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|(imm<<7)); |
| | 1273 | } |
| | 1274 | |
| | 1275 | void emit_shrimm(int rs,u_int imm,int rt) |
| | 1276 | { |
| | 1277 | assert(imm>0); |
| | 1278 | assert(imm<32); |
| | 1279 | assem_debug("lsr %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 1280 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7)); |
| | 1281 | } |
| | 1282 | |
| | 1283 | void emit_sarimm(int rs,u_int imm,int rt) |
| | 1284 | { |
| | 1285 | assert(imm>0); |
| | 1286 | assert(imm<32); |
| | 1287 | assem_debug("asr %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 1288 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x40|(imm<<7)); |
| | 1289 | } |
| | 1290 | |
| | 1291 | void emit_rorimm(int rs,u_int imm,int rt) |
| | 1292 | { |
| | 1293 | assert(imm>0); |
| | 1294 | assert(imm<32); |
| | 1295 | assem_debug("ror %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 1296 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x60|(imm<<7)); |
| | 1297 | } |
| | 1298 | |
| | 1299 | void emit_shldimm(int rs,int rs2,u_int imm,int rt) |
| | 1300 | { |
| | 1301 | assem_debug("shld %%%s,%%%s,%d\n",regname[rt],regname[rs2],imm); |
| | 1302 | assert(imm>0); |
| | 1303 | assert(imm<32); |
| | 1304 | //if(imm==1) ... |
| | 1305 | assem_debug("lsl %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 1306 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|(imm<<7)); |
| | 1307 | assem_debug("orr %s,%s,%s,lsr #%d\n",regname[rt],regname[rt],regname[rs2],32-imm); |
| | 1308 | output_w32(0xe1800020|rd_rn_rm(rt,rt,rs2)|((32-imm)<<7)); |
| | 1309 | } |
| | 1310 | |
| | 1311 | void emit_shrdimm(int rs,int rs2,u_int imm,int rt) |
| | 1312 | { |
| | 1313 | assem_debug("shrd %%%s,%%%s,%d\n",regname[rt],regname[rs2],imm); |
| | 1314 | assert(imm>0); |
| | 1315 | assert(imm<32); |
| | 1316 | //if(imm==1) ... |
| | 1317 | assem_debug("lsr %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 1318 | output_w32(0xe1a00020|rd_rn_rm(rt,0,rs)|(imm<<7)); |
| | 1319 | assem_debug("orr %s,%s,%s,lsl #%d\n",regname[rt],regname[rt],regname[rs2],32-imm); |
| | 1320 | output_w32(0xe1800000|rd_rn_rm(rt,rt,rs2)|((32-imm)<<7)); |
| | 1321 | } |
| | 1322 | |
| | 1323 | void emit_signextend16(int rs,int rt) |
| | 1324 | { |
| | 1325 | #ifdef ARMv5_ONLY |
| | 1326 | emit_shlimm(rs,16,rt); |
| | 1327 | emit_sarimm(rt,16,rt); |
| | 1328 | #else |
| | 1329 | assem_debug("sxth %s,%s\n",regname[rt],regname[rs]); |
| | 1330 | output_w32(0xe6bf0070|rd_rn_rm(rt,0,rs)); |
| | 1331 | #endif |
| | 1332 | } |
| | 1333 | |
| | 1334 | void emit_shl(u_int rs,u_int shift,u_int rt) |
| | 1335 | { |
| | 1336 | assert(rs<16); |
| | 1337 | assert(rt<16); |
| | 1338 | assert(shift<16); |
| | 1339 | //if(imm==1) ... |
| | 1340 | assem_debug("lsl %s,%s,%s\n",regname[rt],regname[rs],regname[shift]); |
| | 1341 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x10|(shift<<8)); |
| | 1342 | } |
| | 1343 | void emit_shr(u_int rs,u_int shift,u_int rt) |
| | 1344 | { |
| | 1345 | assert(rs<16); |
| | 1346 | assert(rt<16); |
| | 1347 | assert(shift<16); |
| | 1348 | assem_debug("lsr %s,%s,%s\n",regname[rt],regname[rs],regname[shift]); |
| | 1349 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x30|(shift<<8)); |
| | 1350 | } |
| | 1351 | void emit_sar(u_int rs,u_int shift,u_int rt) |
| | 1352 | { |
| | 1353 | assert(rs<16); |
| | 1354 | assert(rt<16); |
| | 1355 | assert(shift<16); |
| | 1356 | assem_debug("asr %s,%s,%s\n",regname[rt],regname[rs],regname[shift]); |
| | 1357 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x50|(shift<<8)); |
| | 1358 | } |
| | 1359 | void emit_shlcl(int r) |
| | 1360 | { |
| | 1361 | assem_debug("shl %%%s,%%cl\n",regname[r]); |
| | 1362 | assert(0); |
| | 1363 | } |
| | 1364 | void emit_shrcl(int r) |
| | 1365 | { |
| | 1366 | assem_debug("shr %%%s,%%cl\n",regname[r]); |
| | 1367 | assert(0); |
| | 1368 | } |
| | 1369 | void emit_sarcl(int r) |
| | 1370 | { |
| | 1371 | assem_debug("sar %%%s,%%cl\n",regname[r]); |
| | 1372 | assert(0); |
| | 1373 | } |
| | 1374 | |
| | 1375 | void emit_shldcl(int r1,int r2) |
| | 1376 | { |
| | 1377 | assem_debug("shld %%%s,%%%s,%%cl\n",regname[r1],regname[r2]); |
| | 1378 | assert(0); |
| | 1379 | } |
| | 1380 | void emit_shrdcl(int r1,int r2) |
| | 1381 | { |
| | 1382 | assem_debug("shrd %%%s,%%%s,%%cl\n",regname[r1],regname[r2]); |
| | 1383 | assert(0); |
| | 1384 | } |
| | 1385 | void emit_orrshl(u_int rs,u_int shift,u_int rt) |
| | 1386 | { |
| | 1387 | assert(rs<16); |
| | 1388 | assert(rt<16); |
| | 1389 | assert(shift<16); |
| | 1390 | assem_debug("orr %s,%s,%s,lsl %s\n",regname[rt],regname[rt],regname[rs],regname[shift]); |
| | 1391 | output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|0x10|(shift<<8)); |
| | 1392 | } |
| | 1393 | void emit_orrshr(u_int rs,u_int shift,u_int rt) |
| | 1394 | { |
| | 1395 | assert(rs<16); |
| | 1396 | assert(rt<16); |
| | 1397 | assert(shift<16); |
| | 1398 | assem_debug("orr %s,%s,%s,lsr %s\n",regname[rt],regname[rt],regname[rs],regname[shift]); |
| | 1399 | output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|0x30|(shift<<8)); |
| | 1400 | } |
| | 1401 | |
| | 1402 | void emit_cmpimm(int rs,int imm) |
| | 1403 | { |
| | 1404 | u_int armval; |
| | 1405 | if(genimm(imm,&armval)) { |
| | 1406 | assem_debug("cmp %s,$%d\n",regname[rs],imm); |
| | 1407 | output_w32(0xe3500000|rd_rn_rm(0,rs,0)|armval); |
| | 1408 | }else if(genimm(-imm,&armval)) { |
| | 1409 | assem_debug("cmn %s,$%d\n",regname[rs],imm); |
| | 1410 | output_w32(0xe3700000|rd_rn_rm(0,rs,0)|armval); |
| | 1411 | }else if(imm>0) { |
| | 1412 | assert(imm<65536); |
| | 1413 | #ifdef ARMv5_ONLY |
| | 1414 | emit_movimm(imm,HOST_TEMPREG); |
| | 1415 | #else |
| | 1416 | emit_movw(imm,HOST_TEMPREG); |
| | 1417 | #endif |
| | 1418 | assem_debug("cmp %s,r14\n",regname[rs]); |
| | 1419 | output_w32(0xe1500000|rd_rn_rm(0,rs,HOST_TEMPREG)); |
| | 1420 | }else{ |
| | 1421 | assert(imm>-65536); |
| | 1422 | #ifdef ARMv5_ONLY |
| | 1423 | emit_movimm(-imm,HOST_TEMPREG); |
| | 1424 | #else |
| | 1425 | emit_movw(-imm,HOST_TEMPREG); |
| | 1426 | #endif |
| | 1427 | assem_debug("cmn %s,r14\n",regname[rs]); |
| | 1428 | output_w32(0xe1700000|rd_rn_rm(0,rs,HOST_TEMPREG)); |
| | 1429 | } |
| | 1430 | } |
| | 1431 | |
| | 1432 | void emit_cmovne(u_int *addr,int rt) |
| | 1433 | { |
| | 1434 | assem_debug("cmovne %x,%%%s",(int)addr,regname[rt]); |
| | 1435 | assert(0); |
| | 1436 | } |
| | 1437 | void emit_cmovl(u_int *addr,int rt) |
| | 1438 | { |
| | 1439 | assem_debug("cmovl %x,%%%s",(int)addr,regname[rt]); |
| | 1440 | assert(0); |
| | 1441 | } |
| | 1442 | void emit_cmovs(u_int *addr,int rt) |
| | 1443 | { |
| | 1444 | assem_debug("cmovs %x,%%%s",(int)addr,regname[rt]); |
| | 1445 | assert(0); |
| | 1446 | } |
| | 1447 | void emit_cmovne_imm(int imm,int rt) |
| | 1448 | { |
| | 1449 | assem_debug("movne %s,#%d\n",regname[rt],imm); |
| | 1450 | u_int armval; |
| | 1451 | genimm_checked(imm,&armval); |
| | 1452 | output_w32(0x13a00000|rd_rn_rm(rt,0,0)|armval); |
| | 1453 | } |
| | 1454 | void emit_cmovl_imm(int imm,int rt) |
| | 1455 | { |
| | 1456 | assem_debug("movlt %s,#%d\n",regname[rt],imm); |
| | 1457 | u_int armval; |
| | 1458 | genimm_checked(imm,&armval); |
| | 1459 | output_w32(0xb3a00000|rd_rn_rm(rt,0,0)|armval); |
| | 1460 | } |
| | 1461 | void emit_cmovb_imm(int imm,int rt) |
| | 1462 | { |
| | 1463 | assem_debug("movcc %s,#%d\n",regname[rt],imm); |
| | 1464 | u_int armval; |
| | 1465 | genimm_checked(imm,&armval); |
| | 1466 | output_w32(0x33a00000|rd_rn_rm(rt,0,0)|armval); |
| | 1467 | } |
| | 1468 | void emit_cmovs_imm(int imm,int rt) |
| | 1469 | { |
| | 1470 | assem_debug("movmi %s,#%d\n",regname[rt],imm); |
| | 1471 | u_int armval; |
| | 1472 | genimm_checked(imm,&armval); |
| | 1473 | output_w32(0x43a00000|rd_rn_rm(rt,0,0)|armval); |
| | 1474 | } |
| | 1475 | void emit_cmove_reg(int rs,int rt) |
| | 1476 | { |
| | 1477 | assem_debug("moveq %s,%s\n",regname[rt],regname[rs]); |
| | 1478 | output_w32(0x01a00000|rd_rn_rm(rt,0,rs)); |
| | 1479 | } |
| | 1480 | void emit_cmovne_reg(int rs,int rt) |
| | 1481 | { |
| | 1482 | assem_debug("movne %s,%s\n",regname[rt],regname[rs]); |
| | 1483 | output_w32(0x11a00000|rd_rn_rm(rt,0,rs)); |
| | 1484 | } |
| | 1485 | void emit_cmovl_reg(int rs,int rt) |
| | 1486 | { |
| | 1487 | assem_debug("movlt %s,%s\n",regname[rt],regname[rs]); |
| | 1488 | output_w32(0xb1a00000|rd_rn_rm(rt,0,rs)); |
| | 1489 | } |
| | 1490 | void emit_cmovs_reg(int rs,int rt) |
| | 1491 | { |
| | 1492 | assem_debug("movmi %s,%s\n",regname[rt],regname[rs]); |
| | 1493 | output_w32(0x41a00000|rd_rn_rm(rt,0,rs)); |
| | 1494 | } |
| | 1495 | |
| | 1496 | void emit_slti32(int rs,int imm,int rt) |
| | 1497 | { |
| | 1498 | if(rs!=rt) emit_zeroreg(rt); |
| | 1499 | emit_cmpimm(rs,imm); |
| | 1500 | if(rs==rt) emit_movimm(0,rt); |
| | 1501 | emit_cmovl_imm(1,rt); |
| | 1502 | } |
| | 1503 | void emit_sltiu32(int rs,int imm,int rt) |
| | 1504 | { |
| | 1505 | if(rs!=rt) emit_zeroreg(rt); |
| | 1506 | emit_cmpimm(rs,imm); |
| | 1507 | if(rs==rt) emit_movimm(0,rt); |
| | 1508 | emit_cmovb_imm(1,rt); |
| | 1509 | } |
| | 1510 | void emit_slti64_32(int rsh,int rsl,int imm,int rt) |
| | 1511 | { |
| | 1512 | assert(rsh!=rt); |
| | 1513 | emit_slti32(rsl,imm,rt); |
| | 1514 | if(imm>=0) |
| | 1515 | { |
| | 1516 | emit_test(rsh,rsh); |
| | 1517 | emit_cmovne_imm(0,rt); |
| | 1518 | emit_cmovs_imm(1,rt); |
| | 1519 | } |
| | 1520 | else |
| | 1521 | { |
| | 1522 | emit_cmpimm(rsh,-1); |
| | 1523 | emit_cmovne_imm(0,rt); |
| | 1524 | emit_cmovl_imm(1,rt); |
| | 1525 | } |
| | 1526 | } |
| | 1527 | void emit_sltiu64_32(int rsh,int rsl,int imm,int rt) |
| | 1528 | { |
| | 1529 | assert(rsh!=rt); |
| | 1530 | emit_sltiu32(rsl,imm,rt); |
| | 1531 | if(imm>=0) |
| | 1532 | { |
| | 1533 | emit_test(rsh,rsh); |
| | 1534 | emit_cmovne_imm(0,rt); |
| | 1535 | } |
| | 1536 | else |
| | 1537 | { |
| | 1538 | emit_cmpimm(rsh,-1); |
| | 1539 | emit_cmovne_imm(1,rt); |
| | 1540 | } |
| | 1541 | } |
| | 1542 | |
| | 1543 | void emit_cmp(int rs,int rt) |
| | 1544 | { |
| | 1545 | assem_debug("cmp %s,%s\n",regname[rs],regname[rt]); |
| | 1546 | output_w32(0xe1500000|rd_rn_rm(0,rs,rt)); |
| | 1547 | } |
| | 1548 | void emit_set_gz32(int rs, int rt) |
| | 1549 | { |
| | 1550 | //assem_debug("set_gz32\n"); |
| | 1551 | emit_cmpimm(rs,1); |
| | 1552 | emit_movimm(1,rt); |
| | 1553 | emit_cmovl_imm(0,rt); |
| | 1554 | } |
| | 1555 | void emit_set_nz32(int rs, int rt) |
| | 1556 | { |
| | 1557 | //assem_debug("set_nz32\n"); |
| | 1558 | if(rs!=rt) emit_movs(rs,rt); |
| | 1559 | else emit_test(rs,rs); |
| | 1560 | emit_cmovne_imm(1,rt); |
| | 1561 | } |
| | 1562 | void emit_set_gz64_32(int rsh, int rsl, int rt) |
| | 1563 | { |
| | 1564 | //assem_debug("set_gz64\n"); |
| | 1565 | emit_set_gz32(rsl,rt); |
| | 1566 | emit_test(rsh,rsh); |
| | 1567 | emit_cmovne_imm(1,rt); |
| | 1568 | emit_cmovs_imm(0,rt); |
| | 1569 | } |
| | 1570 | void emit_set_nz64_32(int rsh, int rsl, int rt) |
| | 1571 | { |
| | 1572 | //assem_debug("set_nz64\n"); |
| | 1573 | emit_or_and_set_flags(rsh,rsl,rt); |
| | 1574 | emit_cmovne_imm(1,rt); |
| | 1575 | } |
| | 1576 | void emit_set_if_less32(int rs1, int rs2, int rt) |
| | 1577 | { |
| | 1578 | //assem_debug("set if less (%%%s,%%%s),%%%s\n",regname[rs1],regname[rs2],regname[rt]); |
| | 1579 | if(rs1!=rt&&rs2!=rt) emit_zeroreg(rt); |
| | 1580 | emit_cmp(rs1,rs2); |
| | 1581 | if(rs1==rt||rs2==rt) emit_movimm(0,rt); |
| | 1582 | emit_cmovl_imm(1,rt); |
| | 1583 | } |
| | 1584 | void emit_set_if_carry32(int rs1, int rs2, int rt) |
| | 1585 | { |
| | 1586 | //assem_debug("set if carry (%%%s,%%%s),%%%s\n",regname[rs1],regname[rs2],regname[rt]); |
| | 1587 | if(rs1!=rt&&rs2!=rt) emit_zeroreg(rt); |
| | 1588 | emit_cmp(rs1,rs2); |
| | 1589 | if(rs1==rt||rs2==rt) emit_movimm(0,rt); |
| | 1590 | emit_cmovb_imm(1,rt); |
| | 1591 | } |
| | 1592 | void emit_set_if_less64_32(int u1, int l1, int u2, int l2, int rt) |
| | 1593 | { |
| | 1594 | //assem_debug("set if less64 (%%%s,%%%s,%%%s,%%%s),%%%s\n",regname[u1],regname[l1],regname[u2],regname[l2],regname[rt]); |
| | 1595 | assert(u1!=rt); |
| | 1596 | assert(u2!=rt); |
| | 1597 | emit_cmp(l1,l2); |
| | 1598 | emit_movimm(0,rt); |
| | 1599 | emit_sbcs(u1,u2,HOST_TEMPREG); |
| | 1600 | emit_cmovl_imm(1,rt); |
| | 1601 | } |
| | 1602 | void emit_set_if_carry64_32(int u1, int l1, int u2, int l2, int rt) |
| | 1603 | { |
| | 1604 | //assem_debug("set if carry64 (%%%s,%%%s,%%%s,%%%s),%%%s\n",regname[u1],regname[l1],regname[u2],regname[l2],regname[rt]); |
| | 1605 | assert(u1!=rt); |
| | 1606 | assert(u2!=rt); |
| | 1607 | emit_cmp(l1,l2); |
| | 1608 | emit_movimm(0,rt); |
| | 1609 | emit_sbcs(u1,u2,HOST_TEMPREG); |
| | 1610 | emit_cmovb_imm(1,rt); |
| | 1611 | } |
| | 1612 | |
| | 1613 | void emit_call(int a) |
| | 1614 | { |
| | 1615 | assem_debug("bl %x (%x+%x)\n",a,(int)out,a-(int)out-8); |
| | 1616 | u_int offset=genjmp(a); |
| | 1617 | output_w32(0xeb000000|offset); |
| | 1618 | } |
| | 1619 | void emit_jmp(int a) |
| | 1620 | { |
| | 1621 | assem_debug("b %x (%x+%x)\n",a,(int)out,a-(int)out-8); |
| | 1622 | u_int offset=genjmp(a); |
| | 1623 | output_w32(0xea000000|offset); |
| | 1624 | } |
| | 1625 | void emit_jne(int a) |
| | 1626 | { |
| | 1627 | assem_debug("bne %x\n",a); |
| | 1628 | u_int offset=genjmp(a); |
| | 1629 | output_w32(0x1a000000|offset); |
| | 1630 | } |
| | 1631 | void emit_jeq(int a) |
| | 1632 | { |
| | 1633 | assem_debug("beq %x\n",a); |
| | 1634 | u_int offset=genjmp(a); |
| | 1635 | output_w32(0x0a000000|offset); |
| | 1636 | } |
| | 1637 | void emit_js(int a) |
| | 1638 | { |
| | 1639 | assem_debug("bmi %x\n",a); |
| | 1640 | u_int offset=genjmp(a); |
| | 1641 | output_w32(0x4a000000|offset); |
| | 1642 | } |
| | 1643 | void emit_jns(int a) |
| | 1644 | { |
| | 1645 | assem_debug("bpl %x\n",a); |
| | 1646 | u_int offset=genjmp(a); |
| | 1647 | output_w32(0x5a000000|offset); |
| | 1648 | } |
| | 1649 | void emit_jl(int a) |
| | 1650 | { |
| | 1651 | assem_debug("blt %x\n",a); |
| | 1652 | u_int offset=genjmp(a); |
| | 1653 | output_w32(0xba000000|offset); |
| | 1654 | } |
| | 1655 | void emit_jge(int a) |
| | 1656 | { |
| | 1657 | assem_debug("bge %x\n",a); |
| | 1658 | u_int offset=genjmp(a); |
| | 1659 | output_w32(0xaa000000|offset); |
| | 1660 | } |
| | 1661 | void emit_jno(int a) |
| | 1662 | { |
| | 1663 | assem_debug("bvc %x\n",a); |
| | 1664 | u_int offset=genjmp(a); |
| | 1665 | output_w32(0x7a000000|offset); |
| | 1666 | } |
| | 1667 | void emit_jc(int a) |
| | 1668 | { |
| | 1669 | assem_debug("bcs %x\n",a); |
| | 1670 | u_int offset=genjmp(a); |
| | 1671 | output_w32(0x2a000000|offset); |
| | 1672 | } |
| | 1673 | void emit_jcc(int a) |
| | 1674 | { |
| | 1675 | assem_debug("bcc %x\n",a); |
| | 1676 | u_int offset=genjmp(a); |
| | 1677 | output_w32(0x3a000000|offset); |
| | 1678 | } |
| | 1679 | |
| | 1680 | void emit_pushimm(int imm) |
| | 1681 | { |
| | 1682 | assem_debug("push $%x\n",imm); |
| | 1683 | assert(0); |
| | 1684 | } |
| | 1685 | void emit_pusha() |
| | 1686 | { |
| | 1687 | assem_debug("pusha\n"); |
| | 1688 | assert(0); |
| | 1689 | } |
| | 1690 | void emit_popa() |
| | 1691 | { |
| | 1692 | assem_debug("popa\n"); |
| | 1693 | assert(0); |
| | 1694 | } |
| | 1695 | void emit_pushreg(u_int r) |
| | 1696 | { |
| | 1697 | assem_debug("push %%%s\n",regname[r]); |
| | 1698 | assert(0); |
| | 1699 | } |
| | 1700 | void emit_popreg(u_int r) |
| | 1701 | { |
| | 1702 | assem_debug("pop %%%s\n",regname[r]); |
| | 1703 | assert(0); |
| | 1704 | } |
| | 1705 | void emit_callreg(u_int r) |
| | 1706 | { |
| | 1707 | assem_debug("call *%%%s\n",regname[r]); |
| | 1708 | assert(0); |
| | 1709 | } |
| | 1710 | void emit_jmpreg(u_int r) |
| | 1711 | { |
| | 1712 | assem_debug("mov pc,%s\n",regname[r]); |
| | 1713 | output_w32(0xe1a00000|rd_rn_rm(15,0,r)); |
| | 1714 | } |
| | 1715 | |
| | 1716 | void emit_readword_indexed(int offset, int rs, int rt) |
| | 1717 | { |
| | 1718 | assert(offset>-4096&&offset<4096); |
| | 1719 | assem_debug("ldr %s,%s+%d\n",regname[rt],regname[rs],offset); |
| | 1720 | if(offset>=0) { |
| | 1721 | output_w32(0xe5900000|rd_rn_rm(rt,rs,0)|offset); |
| | 1722 | }else{ |
| | 1723 | output_w32(0xe5100000|rd_rn_rm(rt,rs,0)|(-offset)); |
| | 1724 | } |
| | 1725 | } |
| | 1726 | void emit_readword_dualindexedx4(int rs1, int rs2, int rt) |
| | 1727 | { |
| | 1728 | assem_debug("ldr %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]); |
| | 1729 | output_w32(0xe7900000|rd_rn_rm(rt,rs1,rs2)|0x100); |
| | 1730 | } |
| | 1731 | void emit_readword_indexed_tlb(int addr, int rs, int map, int rt) |
| | 1732 | { |
| | 1733 | if(map<0) emit_readword_indexed(addr, rs, rt); |
| | 1734 | else { |
| | 1735 | assert(addr==0); |
| | 1736 | emit_readword_dualindexedx4(rs, map, rt); |
| | 1737 | } |
| | 1738 | } |
| | 1739 | void emit_readdword_indexed_tlb(int addr, int rs, int map, int rh, int rl) |
| | 1740 | { |
| | 1741 | if(map<0) { |
| | 1742 | if(rh>=0) emit_readword_indexed(addr, rs, rh); |
| | 1743 | emit_readword_indexed(addr+4, rs, rl); |
| | 1744 | }else{ |
| | 1745 | assert(rh!=rs); |
| | 1746 | if(rh>=0) emit_readword_indexed_tlb(addr, rs, map, rh); |
| | 1747 | emit_addimm(map,1,map); |
| | 1748 | emit_readword_indexed_tlb(addr, rs, map, rl); |
| | 1749 | } |
| | 1750 | } |
| | 1751 | void emit_movsbl_indexed(int offset, int rs, int rt) |
| | 1752 | { |
| | 1753 | assert(offset>-256&&offset<256); |
| | 1754 | assem_debug("ldrsb %s,%s+%d\n",regname[rt],regname[rs],offset); |
| | 1755 | if(offset>=0) { |
| | 1756 | output_w32(0xe1d000d0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| | 1757 | }else{ |
| | 1758 | output_w32(0xe15000d0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
| | 1759 | } |
| | 1760 | } |
| | 1761 | void emit_movsbl_indexed_tlb(int addr, int rs, int map, int rt) |
| | 1762 | { |
| | 1763 | if(map<0) emit_movsbl_indexed(addr, rs, rt); |
| | 1764 | else { |
| | 1765 | if(addr==0) { |
| | 1766 | emit_shlimm(map,2,map); |
| | 1767 | assem_debug("ldrsb %s,%s+%s\n",regname[rt],regname[rs],regname[map]); |
| | 1768 | output_w32(0xe19000d0|rd_rn_rm(rt,rs,map)); |
| | 1769 | }else{ |
| | 1770 | assert(addr>-256&&addr<256); |
| | 1771 | assem_debug("add %s,%s,%s,lsl #2\n",regname[rt],regname[rs],regname[map]); |
| | 1772 | output_w32(0xe0800000|rd_rn_rm(rt,rs,map)|(2<<7)); |
| | 1773 | emit_movsbl_indexed(addr, rt, rt); |
| | 1774 | } |
| | 1775 | } |
| | 1776 | } |
| | 1777 | void emit_movswl_indexed(int offset, int rs, int rt) |
| | 1778 | { |
| | 1779 | assert(offset>-256&&offset<256); |
| | 1780 | assem_debug("ldrsh %s,%s+%d\n",regname[rt],regname[rs],offset); |
| | 1781 | if(offset>=0) { |
| | 1782 | output_w32(0xe1d000f0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| | 1783 | }else{ |
| | 1784 | output_w32(0xe15000f0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
| | 1785 | } |
| | 1786 | } |
| | 1787 | void emit_movzbl_indexed(int offset, int rs, int rt) |
| | 1788 | { |
| | 1789 | assert(offset>-4096&&offset<4096); |
| | 1790 | assem_debug("ldrb %s,%s+%d\n",regname[rt],regname[rs],offset); |
| | 1791 | if(offset>=0) { |
| | 1792 | output_w32(0xe5d00000|rd_rn_rm(rt,rs,0)|offset); |
| | 1793 | }else{ |
| | 1794 | output_w32(0xe5500000|rd_rn_rm(rt,rs,0)|(-offset)); |
| | 1795 | } |
| | 1796 | } |
| | 1797 | void emit_movzbl_dualindexedx4(int rs1, int rs2, int rt) |
| | 1798 | { |
| | 1799 | assem_debug("ldrb %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]); |
| | 1800 | output_w32(0xe7d00000|rd_rn_rm(rt,rs1,rs2)|0x100); |
| | 1801 | } |
| | 1802 | void emit_movzbl_indexed_tlb(int addr, int rs, int map, int rt) |
| | 1803 | { |
| | 1804 | if(map<0) emit_movzbl_indexed(addr, rs, rt); |
| | 1805 | else { |
| | 1806 | if(addr==0) { |
| | 1807 | emit_movzbl_dualindexedx4(rs, map, rt); |
| | 1808 | }else{ |
| | 1809 | emit_addimm(rs,addr,rt); |
| | 1810 | emit_movzbl_dualindexedx4(rt, map, rt); |
| | 1811 | } |
| | 1812 | } |
| | 1813 | } |
| | 1814 | void emit_movzwl_indexed(int offset, int rs, int rt) |
| | 1815 | { |
| | 1816 | assert(offset>-256&&offset<256); |
| | 1817 | assem_debug("ldrh %s,%s+%d\n",regname[rt],regname[rs],offset); |
| | 1818 | if(offset>=0) { |
| | 1819 | output_w32(0xe1d000b0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| | 1820 | }else{ |
| | 1821 | output_w32(0xe15000b0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
| | 1822 | } |
| | 1823 | } |
| | 1824 | void emit_readword(int addr, int rt) |
| | 1825 | { |
| | 1826 | u_int offset = addr-(u_int)&dynarec_local; |
| | 1827 | assert(offset<4096); |
| | 1828 | assem_debug("ldr %s,fp+%d\n",regname[rt],offset); |
| | 1829 | output_w32(0xe5900000|rd_rn_rm(rt,FP,0)|offset); |
| | 1830 | } |
| | 1831 | void emit_movsbl(int addr, int rt) |
| | 1832 | { |
| | 1833 | u_int offset = addr-(u_int)&dynarec_local; |
| | 1834 | assert(offset<256); |
| | 1835 | assem_debug("ldrsb %s,fp+%d\n",regname[rt],offset); |
| | 1836 | output_w32(0xe1d000d0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| | 1837 | } |
| | 1838 | void emit_movswl(int addr, int rt) |
| | 1839 | { |
| | 1840 | u_int offset = addr-(u_int)&dynarec_local; |
| | 1841 | assert(offset<256); |
| | 1842 | assem_debug("ldrsh %s,fp+%d\n",regname[rt],offset); |
| | 1843 | output_w32(0xe1d000f0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| | 1844 | } |
| | 1845 | void emit_movzbl(int addr, int rt) |
| | 1846 | { |
| | 1847 | u_int offset = addr-(u_int)&dynarec_local; |
| | 1848 | assert(offset<4096); |
| | 1849 | assem_debug("ldrb %s,fp+%d\n",regname[rt],offset); |
| | 1850 | output_w32(0xe5d00000|rd_rn_rm(rt,FP,0)|offset); |
| | 1851 | } |
| | 1852 | void emit_movzwl(int addr, int rt) |
| | 1853 | { |
| | 1854 | u_int offset = addr-(u_int)&dynarec_local; |
| | 1855 | assert(offset<256); |
| | 1856 | assem_debug("ldrh %s,fp+%d\n",regname[rt],offset); |
| | 1857 | output_w32(0xe1d000b0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| | 1858 | } |
| | 1859 | void emit_movzwl_reg(int rs, int rt) |
| | 1860 | { |
| | 1861 | assem_debug("movzwl %%%s,%%%s\n",regname[rs]+1,regname[rt]); |
| | 1862 | assert(0); |
| | 1863 | } |
| | 1864 | |
| | 1865 | void emit_xchg(int rs, int rt) |
| | 1866 | { |
| | 1867 | assem_debug("xchg %%%s,%%%s\n",regname[rs],regname[rt]); |
| | 1868 | assert(0); |
| | 1869 | } |
| | 1870 | void emit_writeword_indexed(int rt, int offset, int rs) |
| | 1871 | { |
| | 1872 | assert(offset>-4096&&offset<4096); |
| | 1873 | assem_debug("str %s,%s+%d\n",regname[rt],regname[rs],offset); |
| | 1874 | if(offset>=0) { |
| | 1875 | output_w32(0xe5800000|rd_rn_rm(rt,rs,0)|offset); |
| | 1876 | }else{ |
| | 1877 | output_w32(0xe5000000|rd_rn_rm(rt,rs,0)|(-offset)); |
| | 1878 | } |
| | 1879 | } |
| | 1880 | void emit_writeword_dualindexedx4(int rt, int rs1, int rs2) |
| | 1881 | { |
| | 1882 | assem_debug("str %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]); |
| | 1883 | output_w32(0xe7800000|rd_rn_rm(rt,rs1,rs2)|0x100); |
| | 1884 | } |
| | 1885 | void emit_writeword_indexed_tlb(int rt, int addr, int rs, int map, int temp) |
| | 1886 | { |
| | 1887 | if(map<0) emit_writeword_indexed(rt, addr, rs); |
| | 1888 | else { |
| | 1889 | assert(addr==0); |
| | 1890 | emit_writeword_dualindexedx4(rt, rs, map); |
| | 1891 | } |
| | 1892 | } |
| | 1893 | void emit_writedword_indexed_tlb(int rh, int rl, int addr, int rs, int map, int temp) |
| | 1894 | { |
| | 1895 | if(map<0) { |
| | 1896 | if(rh>=0) emit_writeword_indexed(rh, addr, rs); |
| | 1897 | emit_writeword_indexed(rl, addr+4, rs); |
| | 1898 | }else{ |
| | 1899 | assert(rh>=0); |
| | 1900 | if(temp!=rs) emit_addimm(map,1,temp); |
| | 1901 | emit_writeword_indexed_tlb(rh, addr, rs, map, temp); |
| | 1902 | if(temp!=rs) emit_writeword_indexed_tlb(rl, addr, rs, temp, temp); |
| | 1903 | else { |
| | 1904 | emit_addimm(rs,4,rs); |
| | 1905 | emit_writeword_indexed_tlb(rl, addr, rs, map, temp); |
| | 1906 | } |
| | 1907 | } |
| | 1908 | } |
| | 1909 | void emit_writehword_indexed(int rt, int offset, int rs) |
| | 1910 | { |
| | 1911 | assert(offset>-256&&offset<256); |
| | 1912 | assem_debug("strh %s,%s+%d\n",regname[rt],regname[rs],offset); |
| | 1913 | if(offset>=0) { |
| | 1914 | output_w32(0xe1c000b0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| | 1915 | }else{ |
| | 1916 | output_w32(0xe14000b0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
| | 1917 | } |
| | 1918 | } |
| | 1919 | void emit_writebyte_indexed(int rt, int offset, int rs) |
| | 1920 | { |
| | 1921 | assert(offset>-4096&&offset<4096); |
| | 1922 | assem_debug("strb %s,%s+%d\n",regname[rt],regname[rs],offset); |
| | 1923 | if(offset>=0) { |
| | 1924 | output_w32(0xe5c00000|rd_rn_rm(rt,rs,0)|offset); |
| | 1925 | }else{ |
| | 1926 | output_w32(0xe5400000|rd_rn_rm(rt,rs,0)|(-offset)); |
| | 1927 | } |
| | 1928 | } |
| | 1929 | void emit_writebyte_dualindexedx4(int rt, int rs1, int rs2) |
| | 1930 | { |
| | 1931 | assem_debug("strb %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]); |
| | 1932 | output_w32(0xe7c00000|rd_rn_rm(rt,rs1,rs2)|0x100); |
| | 1933 | } |
| | 1934 | void emit_writebyte_indexed_tlb(int rt, int addr, int rs, int map, int temp) |
| | 1935 | { |
| | 1936 | if(map<0) emit_writebyte_indexed(rt, addr, rs); |
| | 1937 | else { |
| | 1938 | if(addr==0) { |
| | 1939 | emit_writebyte_dualindexedx4(rt, rs, map); |
| | 1940 | }else{ |
| | 1941 | emit_addimm(rs,addr,temp); |
| | 1942 | emit_writebyte_dualindexedx4(rt, temp, map); |
| | 1943 | } |
| | 1944 | } |
| | 1945 | } |
| | 1946 | void emit_writeword(int rt, int addr) |
| | 1947 | { |
| | 1948 | u_int offset = addr-(u_int)&dynarec_local; |
| | 1949 | assert(offset<4096); |
| | 1950 | assem_debug("str %s,fp+%d\n",regname[rt],offset); |
| | 1951 | output_w32(0xe5800000|rd_rn_rm(rt,FP,0)|offset); |
| | 1952 | } |
| | 1953 | void emit_writehword(int rt, int addr) |
| | 1954 | { |
| | 1955 | u_int offset = addr-(u_int)&dynarec_local; |
| | 1956 | assert(offset<256); |
| | 1957 | assem_debug("strh %s,fp+%d\n",regname[rt],offset); |
| | 1958 | output_w32(0xe1c000b0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| | 1959 | } |
| | 1960 | void emit_writebyte(int rt, int addr) |
| | 1961 | { |
| | 1962 | u_int offset = addr-(u_int)&dynarec_local; |
| | 1963 | assert(offset<4096); |
| | 1964 | assem_debug("strb %s,fp+%d\n",regname[rt],offset); |
| | 1965 | output_w32(0xe5c00000|rd_rn_rm(rt,FP,0)|offset); |
| | 1966 | } |
| | 1967 | void emit_writeword_imm(int imm, int addr) |
| | 1968 | { |
| | 1969 | assem_debug("movl $%x,%x\n",imm,addr); |
| | 1970 | assert(0); |
| | 1971 | } |
| | 1972 | void emit_writebyte_imm(int imm, int addr) |
| | 1973 | { |
| | 1974 | assem_debug("movb $%x,%x\n",imm,addr); |
| | 1975 | assert(0); |
| | 1976 | } |
| | 1977 | |
| | 1978 | void emit_mul(int rs) |
| | 1979 | { |
| | 1980 | assem_debug("mul %%%s\n",regname[rs]); |
| | 1981 | assert(0); |
| | 1982 | } |
| | 1983 | void emit_imul(int rs) |
| | 1984 | { |
| | 1985 | assem_debug("imul %%%s\n",regname[rs]); |
| | 1986 | assert(0); |
| | 1987 | } |
| | 1988 | void emit_umull(u_int rs1, u_int rs2, u_int hi, u_int lo) |
| | 1989 | { |
| | 1990 | assem_debug("umull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]); |
| | 1991 | assert(rs1<16); |
| | 1992 | assert(rs2<16); |
| | 1993 | assert(hi<16); |
| | 1994 | assert(lo<16); |
| | 1995 | output_w32(0xe0800090|(hi<<16)|(lo<<12)|(rs2<<8)|rs1); |
| | 1996 | } |
| | 1997 | void emit_smull(u_int rs1, u_int rs2, u_int hi, u_int lo) |
| | 1998 | { |
| | 1999 | assem_debug("smull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]); |
| | 2000 | assert(rs1<16); |
| | 2001 | assert(rs2<16); |
| | 2002 | assert(hi<16); |
| | 2003 | assert(lo<16); |
| | 2004 | output_w32(0xe0c00090|(hi<<16)|(lo<<12)|(rs2<<8)|rs1); |
| | 2005 | } |
| | 2006 | |
| | 2007 | void emit_div(int rs) |
| | 2008 | { |
| | 2009 | assem_debug("div %%%s\n",regname[rs]); |
| | 2010 | assert(0); |
| | 2011 | } |
| | 2012 | void emit_idiv(int rs) |
| | 2013 | { |
| | 2014 | assem_debug("idiv %%%s\n",regname[rs]); |
| | 2015 | assert(0); |
| | 2016 | } |
| | 2017 | void emit_cdq() |
| | 2018 | { |
| | 2019 | assem_debug("cdq\n"); |
| | 2020 | assert(0); |
| | 2021 | } |
| | 2022 | |
| | 2023 | void emit_clz(int rs,int rt) |
| | 2024 | { |
| | 2025 | assem_debug("clz %s,%s\n",regname[rt],regname[rs]); |
| | 2026 | output_w32(0xe16f0f10|rd_rn_rm(rt,0,rs)); |
| | 2027 | } |
| | 2028 | |
| | 2029 | void emit_subcs(int rs1,int rs2,int rt) |
| | 2030 | { |
| | 2031 | assem_debug("subcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| | 2032 | output_w32(0x20400000|rd_rn_rm(rt,rs1,rs2)); |
| | 2033 | } |
| | 2034 | |
| | 2035 | void emit_shrcc_imm(int rs,u_int imm,int rt) |
| | 2036 | { |
| | 2037 | assert(imm>0); |
| | 2038 | assert(imm<32); |
| | 2039 | assem_debug("lsrcc %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 2040 | output_w32(0x31a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7)); |
| | 2041 | } |
| | 2042 | |
| | 2043 | void emit_negmi(int rs, int rt) |
| | 2044 | { |
| | 2045 | assem_debug("rsbmi %s,%s,#0\n",regname[rt],regname[rs]); |
| | 2046 | output_w32(0x42600000|rd_rn_rm(rt,rs,0)); |
| | 2047 | } |
| | 2048 | |
| | 2049 | void emit_negsmi(int rs, int rt) |
| | 2050 | { |
| | 2051 | assem_debug("rsbsmi %s,%s,#0\n",regname[rt],regname[rs]); |
| | 2052 | output_w32(0x42700000|rd_rn_rm(rt,rs,0)); |
| | 2053 | } |
| | 2054 | |
| | 2055 | void emit_orreq(u_int rs1,u_int rs2,u_int rt) |
| | 2056 | { |
| | 2057 | assem_debug("orreq %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| | 2058 | output_w32(0x01800000|rd_rn_rm(rt,rs1,rs2)); |
| | 2059 | } |
| | 2060 | |
| | 2061 | void emit_orrne(u_int rs1,u_int rs2,u_int rt) |
| | 2062 | { |
| | 2063 | assem_debug("orrne %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| | 2064 | output_w32(0x11800000|rd_rn_rm(rt,rs1,rs2)); |
| | 2065 | } |
| | 2066 | |
| | 2067 | void emit_bic_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| | 2068 | { |
| | 2069 | assem_debug("bic %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| | 2070 | output_w32(0xe1C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8)); |
| | 2071 | } |
| | 2072 | |
| | 2073 | void emit_biceq_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| | 2074 | { |
| | 2075 | assem_debug("biceq %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| | 2076 | output_w32(0x01C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8)); |
| | 2077 | } |
| | 2078 | |
| | 2079 | void emit_bicne_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| | 2080 | { |
| | 2081 | assem_debug("bicne %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| | 2082 | output_w32(0x11C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8)); |
| | 2083 | } |
| | 2084 | |
| | 2085 | void emit_bic_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| | 2086 | { |
| | 2087 | assem_debug("bic %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| | 2088 | output_w32(0xe1C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8)); |
| | 2089 | } |
| | 2090 | |
| | 2091 | void emit_biceq_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| | 2092 | { |
| | 2093 | assem_debug("biceq %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| | 2094 | output_w32(0x01C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8)); |
| | 2095 | } |
| | 2096 | |
| | 2097 | void emit_bicne_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| | 2098 | { |
| | 2099 | assem_debug("bicne %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| | 2100 | output_w32(0x11C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8)); |
| | 2101 | } |
| | 2102 | |
| | 2103 | void emit_teq(int rs, int rt) |
| | 2104 | { |
| | 2105 | assem_debug("teq %s,%s\n",regname[rs],regname[rt]); |
| | 2106 | output_w32(0xe1300000|rd_rn_rm(0,rs,rt)); |
| | 2107 | } |
| | 2108 | |
| | 2109 | void emit_rsbimm(int rs, int imm, int rt) |
| | 2110 | { |
| | 2111 | u_int armval; |
| | 2112 | genimm_checked(imm,&armval); |
| | 2113 | assem_debug("rsb %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 2114 | output_w32(0xe2600000|rd_rn_rm(rt,rs,0)|armval); |
| | 2115 | } |
| | 2116 | |
| | 2117 | // Load 2 immediates optimizing for small code size |
| | 2118 | void emit_mov2imm_compact(int imm1,u_int rt1,int imm2,u_int rt2) |
| | 2119 | { |
| | 2120 | emit_movimm(imm1,rt1); |
| | 2121 | u_int armval; |
| | 2122 | if(genimm(imm2-imm1,&armval)) { |
| | 2123 | assem_debug("add %s,%s,#%d\n",regname[rt2],regname[rt1],imm2-imm1); |
| | 2124 | output_w32(0xe2800000|rd_rn_rm(rt2,rt1,0)|armval); |
| | 2125 | }else if(genimm(imm1-imm2,&armval)) { |
| | 2126 | assem_debug("sub %s,%s,#%d\n",regname[rt2],regname[rt1],imm1-imm2); |
| | 2127 | output_w32(0xe2400000|rd_rn_rm(rt2,rt1,0)|armval); |
| | 2128 | } |
| | 2129 | else emit_movimm(imm2,rt2); |
| | 2130 | } |
| | 2131 | |
| | 2132 | // Conditionally select one of two immediates, optimizing for small code size |
| | 2133 | // This will only be called if HAVE_CMOV_IMM is defined |
| | 2134 | void emit_cmov2imm_e_ne_compact(int imm1,int imm2,u_int rt) |
| | 2135 | { |
| | 2136 | u_int armval; |
| | 2137 | if(genimm(imm2-imm1,&armval)) { |
| | 2138 | emit_movimm(imm1,rt); |
| | 2139 | assem_debug("addne %s,%s,#%d\n",regname[rt],regname[rt],imm2-imm1); |
| | 2140 | output_w32(0x12800000|rd_rn_rm(rt,rt,0)|armval); |
| | 2141 | }else if(genimm(imm1-imm2,&armval)) { |
| | 2142 | emit_movimm(imm1,rt); |
| | 2143 | assem_debug("subne %s,%s,#%d\n",regname[rt],regname[rt],imm1-imm2); |
| | 2144 | output_w32(0x12400000|rd_rn_rm(rt,rt,0)|armval); |
| | 2145 | } |
| | 2146 | else { |
| | 2147 | #ifdef ARMv5_ONLY |
| | 2148 | emit_movimm(imm1,rt); |
| | 2149 | add_literal((int)out,imm2); |
| | 2150 | assem_debug("ldrne %s,pc+? [=%x]\n",regname[rt],imm2); |
| | 2151 | output_w32(0x15900000|rd_rn_rm(rt,15,0)); |
| | 2152 | #else |
| | 2153 | emit_movw(imm1&0x0000FFFF,rt); |
| | 2154 | if((imm1&0xFFFF)!=(imm2&0xFFFF)) { |
| | 2155 | assem_debug("movwne %s,#%d (0x%x)\n",regname[rt],imm2&0xFFFF,imm2&0xFFFF); |
| | 2156 | output_w32(0x13000000|rd_rn_rm(rt,0,0)|(imm2&0xfff)|((imm2<<4)&0xf0000)); |
| | 2157 | } |
| | 2158 | emit_movt(imm1&0xFFFF0000,rt); |
| | 2159 | if((imm1&0xFFFF0000)!=(imm2&0xFFFF0000)) { |
| | 2160 | assem_debug("movtne %s,#%d (0x%x)\n",regname[rt],imm2&0xffff0000,imm2&0xffff0000); |
| | 2161 | output_w32(0x13400000|rd_rn_rm(rt,0,0)|((imm2>>16)&0xfff)|((imm2>>12)&0xf0000)); |
| | 2162 | } |
| | 2163 | #endif |
| | 2164 | } |
| | 2165 | } |
| | 2166 | |
| | 2167 | // special case for checking invalid_code |
| | 2168 | void emit_cmpmem_indexedsr12_imm(int addr,int r,int imm) |
| | 2169 | { |
| | 2170 | assert(0); |
| | 2171 | } |
| | 2172 | |
| | 2173 | // special case for checking invalid_code |
| | 2174 | void emit_cmpmem_indexedsr12_reg(int base,int r,int imm) |
| | 2175 | { |
| | 2176 | assert(imm<128&&imm>=0); |
| | 2177 | assert(r>=0&&r<16); |
| | 2178 | assem_debug("ldrb lr,%s,%s lsr #12\n",regname[base],regname[r]); |
| | 2179 | output_w32(0xe7d00000|rd_rn_rm(HOST_TEMPREG,base,r)|0x620); |
| | 2180 | emit_cmpimm(HOST_TEMPREG,imm); |
| | 2181 | } |
| | 2182 | |
| | 2183 | // special case for tlb mapping |
| | 2184 | void emit_addsr12(int rs1,int rs2,int rt) |
| | 2185 | { |
| | 2186 | assem_debug("add %s,%s,%s lsr #12\n",regname[rt],regname[rs1],regname[rs2]); |
| | 2187 | output_w32(0xe0800620|rd_rn_rm(rt,rs1,rs2)); |
| | 2188 | } |
| | 2189 | |
| | 2190 | // Used to preload hash table entries |
| | 2191 | void emit_prefetch(void *addr) |
| | 2192 | { |
| | 2193 | assem_debug("prefetch %x\n",(int)addr); |
| | 2194 | output_byte(0x0F); |
| | 2195 | output_byte(0x18); |
| | 2196 | output_modrm(0,5,1); |
| | 2197 | output_w32((int)addr); |
| | 2198 | } |
| | 2199 | void emit_prefetchreg(int r) |
| | 2200 | { |
| | 2201 | assem_debug("pld %s\n",regname[r]); |
| | 2202 | output_w32(0xf5d0f000|rd_rn_rm(0,r,0)); |
| | 2203 | } |
| | 2204 | |
| | 2205 | // Special case for mini_ht |
| | 2206 | void emit_ldreq_indexed(int rs, u_int offset, int rt) |
| | 2207 | { |
| | 2208 | assert(offset<4096); |
| | 2209 | assem_debug("ldreq %s,[%s, #%d]\n",regname[rt],regname[rs],offset); |
| | 2210 | output_w32(0x05900000|rd_rn_rm(rt,rs,0)|offset); |
| | 2211 | } |
| | 2212 | |
| | 2213 | void emit_flds(int r,int sr) |
| | 2214 | { |
| | 2215 | assem_debug("flds s%d,[%s]\n",sr,regname[r]); |
| | 2216 | output_w32(0xed900a00|((sr&14)<<11)|((sr&1)<<22)|(r<<16)); |
| | 2217 | } |
| | 2218 | |
| | 2219 | void emit_vldr(int r,int vr) |
| | 2220 | { |
| | 2221 | assem_debug("vldr d%d,[%s]\n",vr,regname[r]); |
| | 2222 | output_w32(0xed900b00|(vr<<12)|(r<<16)); |
| | 2223 | } |
| | 2224 | |
| | 2225 | void emit_fsts(int sr,int r) |
| | 2226 | { |
| | 2227 | assem_debug("fsts s%d,[%s]\n",sr,regname[r]); |
| | 2228 | output_w32(0xed800a00|((sr&14)<<11)|((sr&1)<<22)|(r<<16)); |
| | 2229 | } |
| | 2230 | |
| | 2231 | void emit_vstr(int vr,int r) |
| | 2232 | { |
| | 2233 | assem_debug("vstr d%d,[%s]\n",vr,regname[r]); |
| | 2234 | output_w32(0xed800b00|(vr<<12)|(r<<16)); |
| | 2235 | } |
| | 2236 | |
| | 2237 | void emit_ftosizs(int s,int d) |
| | 2238 | { |
| | 2239 | assem_debug("ftosizs s%d,s%d\n",d,s); |
| | 2240 | output_w32(0xeebd0ac0|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5)); |
| | 2241 | } |
| | 2242 | |
| | 2243 | void emit_ftosizd(int s,int d) |
| | 2244 | { |
| | 2245 | assem_debug("ftosizd s%d,d%d\n",d,s); |
| | 2246 | output_w32(0xeebd0bc0|((d&14)<<11)|((d&1)<<22)|(s&7)); |
| | 2247 | } |
| | 2248 | |
| | 2249 | void emit_fsitos(int s,int d) |
| | 2250 | { |
| | 2251 | assem_debug("fsitos s%d,s%d\n",d,s); |
| | 2252 | output_w32(0xeeb80ac0|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5)); |
| | 2253 | } |
| | 2254 | |
| | 2255 | void emit_fsitod(int s,int d) |
| | 2256 | { |
| | 2257 | assem_debug("fsitod d%d,s%d\n",d,s); |
| | 2258 | output_w32(0xeeb80bc0|((d&7)<<12)|((s&14)>>1)|((s&1)<<5)); |
| | 2259 | } |
| | 2260 | |
| | 2261 | void emit_fcvtds(int s,int d) |
| | 2262 | { |
| | 2263 | assem_debug("fcvtds d%d,s%d\n",d,s); |
| | 2264 | output_w32(0xeeb70ac0|((d&7)<<12)|((s&14)>>1)|((s&1)<<5)); |
| | 2265 | } |
| | 2266 | |
| | 2267 | void emit_fcvtsd(int s,int d) |
| | 2268 | { |
| | 2269 | assem_debug("fcvtsd s%d,d%d\n",d,s); |
| | 2270 | output_w32(0xeeb70bc0|((d&14)<<11)|((d&1)<<22)|(s&7)); |
| | 2271 | } |
| | 2272 | |
| | 2273 | void emit_fsqrts(int s,int d) |
| | 2274 | { |
| | 2275 | assem_debug("fsqrts d%d,s%d\n",d,s); |
| | 2276 | output_w32(0xeeb10ac0|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5)); |
| | 2277 | } |
| | 2278 | |
| | 2279 | void emit_fsqrtd(int s,int d) |
| | 2280 | { |
| | 2281 | assem_debug("fsqrtd s%d,d%d\n",d,s); |
| | 2282 | output_w32(0xeeb10bc0|((d&7)<<12)|(s&7)); |
| | 2283 | } |
| | 2284 | |
| | 2285 | void emit_fabss(int s,int d) |
| | 2286 | { |
| | 2287 | assem_debug("fabss d%d,s%d\n",d,s); |
| | 2288 | output_w32(0xeeb00ac0|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5)); |
| | 2289 | } |
| | 2290 | |
| | 2291 | void emit_fabsd(int s,int d) |
| | 2292 | { |
| | 2293 | assem_debug("fabsd s%d,d%d\n",d,s); |
| | 2294 | output_w32(0xeeb00bc0|((d&7)<<12)|(s&7)); |
| | 2295 | } |
| | 2296 | |
| | 2297 | void emit_fnegs(int s,int d) |
| | 2298 | { |
| | 2299 | assem_debug("fnegs d%d,s%d\n",d,s); |
| | 2300 | output_w32(0xeeb10a40|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5)); |
| | 2301 | } |
| | 2302 | |
| | 2303 | void emit_fnegd(int s,int d) |
| | 2304 | { |
| | 2305 | assem_debug("fnegd s%d,d%d\n",d,s); |
| | 2306 | output_w32(0xeeb10b40|((d&7)<<12)|(s&7)); |
| | 2307 | } |
| | 2308 | |
| | 2309 | void emit_fadds(int s1,int s2,int d) |
| | 2310 | { |
| | 2311 | assem_debug("fadds s%d,s%d,s%d\n",d,s1,s2); |
| | 2312 | output_w32(0xee300a00|((d&14)<<11)|((d&1)<<22)|((s1&14)<<15)|((s1&1)<<7)|((s2&14)>>1)|((s2&1)<<5)); |
| | 2313 | } |
| | 2314 | |
| | 2315 | void emit_faddd(int s1,int s2,int d) |
| | 2316 | { |
| | 2317 | assem_debug("faddd d%d,d%d,d%d\n",d,s1,s2); |
| | 2318 | output_w32(0xee300b00|((d&7)<<12)|((s1&7)<<16)|(s2&7)); |
| | 2319 | } |
| | 2320 | |
| | 2321 | void emit_fsubs(int s1,int s2,int d) |
| | 2322 | { |
| | 2323 | assem_debug("fsubs s%d,s%d,s%d\n",d,s1,s2); |
| | 2324 | output_w32(0xee300a40|((d&14)<<11)|((d&1)<<22)|((s1&14)<<15)|((s1&1)<<7)|((s2&14)>>1)|((s2&1)<<5)); |
| | 2325 | } |
| | 2326 | |
| | 2327 | void emit_fsubd(int s1,int s2,int d) |
| | 2328 | { |
| | 2329 | assem_debug("fsubd d%d,d%d,d%d\n",d,s1,s2); |
| | 2330 | output_w32(0xee300b40|((d&7)<<12)|((s1&7)<<16)|(s2&7)); |
| | 2331 | } |
| | 2332 | |
| | 2333 | void emit_fmuls(int s1,int s2,int d) |
| | 2334 | { |
| | 2335 | assem_debug("fmuls s%d,s%d,s%d\n",d,s1,s2); |
| | 2336 | output_w32(0xee200a00|((d&14)<<11)|((d&1)<<22)|((s1&14)<<15)|((s1&1)<<7)|((s2&14)>>1)|((s2&1)<<5)); |
| | 2337 | } |
| | 2338 | |
| | 2339 | void emit_fmuld(int s1,int s2,int d) |
| | 2340 | { |
| | 2341 | assem_debug("fmuld d%d,d%d,d%d\n",d,s1,s2); |
| | 2342 | output_w32(0xee200b00|((d&7)<<12)|((s1&7)<<16)|(s2&7)); |
| | 2343 | } |
| | 2344 | |
| | 2345 | void emit_fdivs(int s1,int s2,int d) |
| | 2346 | { |
| | 2347 | assem_debug("fdivs s%d,s%d,s%d\n",d,s1,s2); |
| | 2348 | output_w32(0xee800a00|((d&14)<<11)|((d&1)<<22)|((s1&14)<<15)|((s1&1)<<7)|((s2&14)>>1)|((s2&1)<<5)); |
| | 2349 | } |
| | 2350 | |
| | 2351 | void emit_fdivd(int s1,int s2,int d) |
| | 2352 | { |
| | 2353 | assem_debug("fdivd d%d,d%d,d%d\n",d,s1,s2); |
| | 2354 | output_w32(0xee800b00|((d&7)<<12)|((s1&7)<<16)|(s2&7)); |
| | 2355 | } |
| | 2356 | |
| | 2357 | void emit_fcmps(int x,int y) |
| | 2358 | { |
| | 2359 | assem_debug("fcmps s14, s15\n"); |
| | 2360 | output_w32(0xeeb47a67); |
| | 2361 | } |
| | 2362 | |
| | 2363 | void emit_fcmpd(int x,int y) |
| | 2364 | { |
| | 2365 | assem_debug("fcmpd d6, d7\n"); |
| | 2366 | output_w32(0xeeb46b47); |
| | 2367 | } |
| | 2368 | |
| | 2369 | void emit_fmstat() |
| | 2370 | { |
| | 2371 | assem_debug("fmstat\n"); |
| | 2372 | output_w32(0xeef1fa10); |
| | 2373 | } |
| | 2374 | |
| | 2375 | void emit_bicne_imm(int rs,int imm,int rt) |
| | 2376 | { |
| | 2377 | u_int armval; |
| | 2378 | genimm_checked(imm,&armval); |
| | 2379 | assem_debug("bicne %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 2380 | output_w32(0x13c00000|rd_rn_rm(rt,rs,0)|armval); |
| | 2381 | } |
| | 2382 | |
| | 2383 | void emit_biccs_imm(int rs,int imm,int rt) |
| | 2384 | { |
| | 2385 | u_int armval; |
| | 2386 | genimm_checked(imm,&armval); |
| | 2387 | assem_debug("biccs %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 2388 | output_w32(0x23c00000|rd_rn_rm(rt,rs,0)|armval); |
| | 2389 | } |
| | 2390 | |
| | 2391 | void emit_bicvc_imm(int rs,int imm,int rt) |
| | 2392 | { |
| | 2393 | u_int armval; |
| | 2394 | genimm_checked(imm,&armval); |
| | 2395 | assem_debug("bicvc %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 2396 | output_w32(0x73c00000|rd_rn_rm(rt,rs,0)|armval); |
| | 2397 | } |
| | 2398 | |
| | 2399 | void emit_bichi_imm(int rs,int imm,int rt) |
| | 2400 | { |
| | 2401 | u_int armval; |
| | 2402 | genimm_checked(imm,&armval); |
| | 2403 | assem_debug("bichi %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 2404 | output_w32(0x83c00000|rd_rn_rm(rt,rs,0)|armval); |
| | 2405 | } |
| | 2406 | |
| | 2407 | void emit_orrvs_imm(int rs,int imm,int rt) |
| | 2408 | { |
| | 2409 | u_int armval; |
| | 2410 | genimm_checked(imm,&armval); |
| | 2411 | assem_debug("orrvs %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 2412 | output_w32(0x63800000|rd_rn_rm(rt,rs,0)|armval); |
| | 2413 | } |
| | 2414 | |
| | 2415 | void emit_orrne_imm(int rs,int imm,int rt) |
| | 2416 | { |
| | 2417 | u_int armval; |
| | 2418 | genimm_checked(imm,&armval); |
| | 2419 | assem_debug("orrne %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 2420 | output_w32(0x13800000|rd_rn_rm(rt,rs,0)|armval); |
| | 2421 | } |
| | 2422 | |
| | 2423 | void emit_andne_imm(int rs,int imm,int rt) |
| | 2424 | { |
| | 2425 | u_int armval; |
| | 2426 | genimm_checked(imm,&armval); |
| | 2427 | assem_debug("andne %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| | 2428 | output_w32(0x12000000|rd_rn_rm(rt,rs,0)|armval); |
| | 2429 | } |
| | 2430 | |
| | 2431 | void emit_jno_unlikely(int a) |
| | 2432 | { |
| | 2433 | //emit_jno(a); |
| | 2434 | assem_debug("addvc pc,pc,#? (%x)\n",/*a-(int)out-8,*/a); |
| | 2435 | output_w32(0x72800000|rd_rn_rm(15,15,0)); |
| | 2436 | } |
| | 2437 | |
| | 2438 | // Save registers before function call |
| | 2439 | void save_regs(u_int reglist) |
| | 2440 | { |
| | 2441 | reglist&=0x100f; // only save the caller-save registers, r0-r3, r12 |
| | 2442 | if(!reglist) return; |
| | 2443 | assem_debug("stmia fp,{"); |
| | 2444 | if(reglist&1) assem_debug("r0, "); |
| | 2445 | if(reglist&2) assem_debug("r1, "); |
| | 2446 | if(reglist&4) assem_debug("r2, "); |
| | 2447 | if(reglist&8) assem_debug("r3, "); |
| | 2448 | if(reglist&0x1000) assem_debug("r12"); |
| | 2449 | assem_debug("}\n"); |
| | 2450 | output_w32(0xe88b0000|reglist); |
| | 2451 | } |
| | 2452 | // Restore registers after function call |
| | 2453 | void restore_regs(u_int reglist) |
| | 2454 | { |
| | 2455 | reglist&=0x100f; // only restore the caller-save registers, r0-r3, r12 |
| | 2456 | if(!reglist) return; |
| | 2457 | assem_debug("ldmia fp,{"); |
| | 2458 | if(reglist&1) assem_debug("r0, "); |
| | 2459 | if(reglist&2) assem_debug("r1, "); |
| | 2460 | if(reglist&4) assem_debug("r2, "); |
| | 2461 | if(reglist&8) assem_debug("r3, "); |
| | 2462 | if(reglist&0x1000) assem_debug("r12"); |
| | 2463 | assem_debug("}\n"); |
| | 2464 | output_w32(0xe89b0000|reglist); |
| | 2465 | } |
| | 2466 | |
| | 2467 | // Write back consts using r14 so we don't disturb the other registers |
| | 2468 | void wb_consts(signed char i_regmap[],uint64_t i_is32,u_int i_dirty,int i) |
| | 2469 | { |
| | 2470 | int hr; |
| | 2471 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 2472 | if(hr!=EXCLUDE_REG&&i_regmap[hr]>=0&&((i_dirty>>hr)&1)) { |
| | 2473 | if(((regs[i].isconst>>hr)&1)&&i_regmap[hr]>0) { |
| | 2474 | if(i_regmap[hr]<64 || !((i_is32>>(i_regmap[hr]&63))&1) ) { |
| | 2475 | int value=constmap[i][hr]; |
| | 2476 | if(value==0) { |
| | 2477 | emit_zeroreg(HOST_TEMPREG); |
| | 2478 | } |
| | 2479 | else { |
| | 2480 | emit_movimm(value,HOST_TEMPREG); |
| | 2481 | } |
| | 2482 | emit_storereg(i_regmap[hr],HOST_TEMPREG); |
| | 2483 | #ifndef FORCE32 |
| | 2484 | if((i_is32>>i_regmap[hr])&1) { |
| | 2485 | if(value!=-1&&value!=0) emit_sarimm(HOST_TEMPREG,31,HOST_TEMPREG); |
| | 2486 | emit_storereg(i_regmap[hr]|64,HOST_TEMPREG); |
| | 2487 | } |
| | 2488 | #endif |
| | 2489 | } |
| | 2490 | } |
| | 2491 | } |
| | 2492 | } |
| | 2493 | } |
| | 2494 | |
| | 2495 | /* Stubs/epilogue */ |
| | 2496 | |
| | 2497 | void literal_pool(int n) |
| | 2498 | { |
| | 2499 | if(!literalcount) return; |
| | 2500 | if(n) { |
| | 2501 | if((int)out-literals[0][0]<4096-n) return; |
| | 2502 | } |
| | 2503 | u_int *ptr; |
| | 2504 | int i; |
| | 2505 | for(i=0;i<literalcount;i++) |
| | 2506 | { |
| | 2507 | ptr=(u_int *)literals[i][0]; |
| | 2508 | u_int offset=(u_int)out-(u_int)ptr-8; |
| | 2509 | assert(offset<4096); |
| | 2510 | assert(!(offset&3)); |
| | 2511 | *ptr|=offset; |
| | 2512 | output_w32(literals[i][1]); |
| | 2513 | } |
| | 2514 | literalcount=0; |
| | 2515 | } |
| | 2516 | |
| | 2517 | void literal_pool_jumpover(int n) |
| | 2518 | { |
| | 2519 | if(!literalcount) return; |
| | 2520 | if(n) { |
| | 2521 | if((int)out-literals[0][0]<4096-n) return; |
| | 2522 | } |
| | 2523 | int jaddr=(int)out; |
| | 2524 | emit_jmp(0); |
| | 2525 | literal_pool(0); |
| | 2526 | set_jump_target(jaddr,(int)out); |
| | 2527 | } |
| | 2528 | |
| | 2529 | emit_extjump2(int addr, int target, int linker) |
| | 2530 | { |
| | 2531 | u_char *ptr=(u_char *)addr; |
| | 2532 | assert((ptr[3]&0x0e)==0xa); |
| | 2533 | emit_loadlp(target,0); |
| | 2534 | emit_loadlp(addr,1); |
| | 2535 | assert(addr>=BASE_ADDR&&addr<(BASE_ADDR+(1<<TARGET_SIZE_2))); |
| | 2536 | //assert((target>=0x80000000&&target<0x80800000)||(target>0xA4000000&&target<0xA4001000)); |
| | 2537 | //DEBUG > |
| | 2538 | #ifdef DEBUG_CYCLE_COUNT |
| | 2539 | emit_readword((int)&last_count,ECX); |
| | 2540 | emit_add(HOST_CCREG,ECX,HOST_CCREG); |
| | 2541 | emit_readword((int)&next_interupt,ECX); |
| | 2542 | emit_writeword(HOST_CCREG,(int)&Count); |
| | 2543 | emit_sub(HOST_CCREG,ECX,HOST_CCREG); |
| | 2544 | emit_writeword(ECX,(int)&last_count); |
| | 2545 | #endif |
| | 2546 | //DEBUG < |
| | 2547 | emit_jmp(linker); |
| | 2548 | } |
| | 2549 | |
| | 2550 | emit_extjump(int addr, int target) |
| | 2551 | { |
| | 2552 | emit_extjump2(addr, target, (int)dyna_linker); |
| | 2553 | } |
| | 2554 | emit_extjump_ds(int addr, int target) |
| | 2555 | { |
| | 2556 | emit_extjump2(addr, target, (int)dyna_linker_ds); |
| | 2557 | } |
| | 2558 | |
| | 2559 | do_readstub(int n) |
| | 2560 | { |
| | 2561 | assem_debug("do_readstub %x\n",start+stubs[n][3]*4); |
| | 2562 | literal_pool(256); |
| | 2563 | set_jump_target(stubs[n][1],(int)out); |
| | 2564 | int type=stubs[n][0]; |
| | 2565 | int i=stubs[n][3]; |
| | 2566 | int rs=stubs[n][4]; |
| | 2567 | struct regstat *i_regs=(struct regstat *)stubs[n][5]; |
| | 2568 | u_int reglist=stubs[n][7]; |
| | 2569 | signed char *i_regmap=i_regs->regmap; |
| | 2570 | int addr=get_reg(i_regmap,AGEN1+(i&1)); |
| | 2571 | int rth,rt; |
| | 2572 | int ds; |
| | 2573 | if(itype[i]==C1LS||itype[i]==C2LS||itype[i]==LOADLR) { |
| | 2574 | rth=get_reg(i_regmap,FTEMP|64); |
| | 2575 | rt=get_reg(i_regmap,FTEMP); |
| | 2576 | }else{ |
| | 2577 | rth=get_reg(i_regmap,rt1[i]|64); |
| | 2578 | rt=get_reg(i_regmap,rt1[i]); |
| | 2579 | } |
| | 2580 | assert(rs>=0); |
| | 2581 | if(addr<0) addr=rt; |
| | 2582 | if(addr<0) |
| | 2583 | // assume dummy read, no alloced reg |
| | 2584 | addr=get_reg(i_regmap,-1); |
| | 2585 | assert(addr>=0); |
| | 2586 | int ftable=0; |
| | 2587 | if(type==LOADB_STUB||type==LOADBU_STUB) |
| | 2588 | ftable=(int)readmemb; |
| | 2589 | if(type==LOADH_STUB||type==LOADHU_STUB) |
| | 2590 | ftable=(int)readmemh; |
| | 2591 | if(type==LOADW_STUB) |
| | 2592 | ftable=(int)readmem; |
| | 2593 | #ifndef FORCE32 |
| | 2594 | if(type==LOADD_STUB) |
| | 2595 | ftable=(int)readmemd; |
| | 2596 | #endif |
| | 2597 | assert(ftable!=0); |
| | 2598 | emit_writeword(rs,(int)&address); |
| | 2599 | //emit_pusha(); |
| | 2600 | save_regs(reglist); |
| | 2601 | ds=i_regs!=®s[i]; |
| | 2602 | int real_rs=(itype[i]==LOADLR)?-1:get_reg(i_regmap,rs1[i]); |
| | 2603 | u_int cmask=ds?-1:(0x100f|~i_regs->wasconst); |
| | 2604 | if(!ds) load_all_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))&0x100f,i); |
| | 2605 | wb_dirtys(i_regs->regmap_entry,i_regs->was32,i_regs->wasdirty&cmask&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))); |
| | 2606 | if(!ds) wb_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))&~0x100f,i); |
| | 2607 | emit_shrimm(rs,16,1); |
| | 2608 | int cc=get_reg(i_regmap,CCREG); |
| | 2609 | if(cc<0) { |
| | 2610 | emit_loadreg(CCREG,2); |
| | 2611 | } |
| | 2612 | emit_movimm(ftable,0); |
| | 2613 | emit_addimm(cc<0?2:cc,2*stubs[n][6]+2,2); |
| | 2614 | emit_movimm(start+stubs[n][3]*4+(((regs[i].was32>>rs1[i])&1)<<1)+ds,3); |
| | 2615 | //emit_readword((int)&last_count,temp); |
| | 2616 | //emit_add(cc,temp,cc); |
| | 2617 | //emit_writeword(cc,(int)&Count); |
| | 2618 | //emit_mov(15,14); |
| | 2619 | emit_call((int)&indirect_jump_indexed); |
| | 2620 | //emit_callreg(rs); |
| | 2621 | //emit_readword_dualindexedx4(rs,HOST_TEMPREG,15); |
| | 2622 | // We really shouldn't need to update the count here, |
| | 2623 | // but not doing so causes random crashes... |
| | 2624 | emit_readword((int)&Count,HOST_TEMPREG); |
| | 2625 | emit_readword((int)&next_interupt,2); |
| | 2626 | emit_addimm(HOST_TEMPREG,-2*stubs[n][6]-2,HOST_TEMPREG); |
| | 2627 | emit_writeword(2,(int)&last_count); |
| | 2628 | emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc); |
| | 2629 | if(cc<0) { |
| | 2630 | emit_storereg(CCREG,HOST_TEMPREG); |
| | 2631 | } |
| | 2632 | //emit_popa(); |
| | 2633 | restore_regs(reglist); |
| | 2634 | //if((cc=get_reg(regmap,CCREG))>=0) { |
| | 2635 | // emit_loadreg(CCREG,cc); |
| | 2636 | //} |
| | 2637 | if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) { |
| | 2638 | assert(rt>=0); |
| | 2639 | if(type==LOADB_STUB) |
| | 2640 | emit_movsbl((int)&readmem_dword,rt); |
| | 2641 | if(type==LOADBU_STUB) |
| | 2642 | emit_movzbl((int)&readmem_dword,rt); |
| | 2643 | if(type==LOADH_STUB) |
| | 2644 | emit_movswl((int)&readmem_dword,rt); |
| | 2645 | if(type==LOADHU_STUB) |
| | 2646 | emit_movzwl((int)&readmem_dword,rt); |
| | 2647 | if(type==LOADW_STUB) |
| | 2648 | emit_readword((int)&readmem_dword,rt); |
| | 2649 | if(type==LOADD_STUB) { |
| | 2650 | emit_readword((int)&readmem_dword,rt); |
| | 2651 | if(rth>=0) emit_readword(((int)&readmem_dword)+4,rth); |
| | 2652 | } |
| | 2653 | } |
| | 2654 | emit_jmp(stubs[n][2]); // return address |
| | 2655 | } |
| | 2656 | |
| | 2657 | inline_readstub(int type, int i, u_int addr, signed char regmap[], int target, int adj, u_int reglist) |
| | 2658 | { |
| | 2659 | int rs=get_reg(regmap,target); |
| | 2660 | int rth=get_reg(regmap,target|64); |
| | 2661 | int rt=get_reg(regmap,target); |
| | 2662 | // allow for PCSX dummy reads |
| | 2663 | //assert(rt>=0); |
| | 2664 | if(rs<0) |
| | 2665 | rs=get_reg(regmap,-1); |
| | 2666 | assert(rs>=0); |
| | 2667 | int ftable=0; |
| | 2668 | if(type==LOADB_STUB||type==LOADBU_STUB) |
| | 2669 | ftable=(int)readmemb; |
| | 2670 | if(type==LOADH_STUB||type==LOADHU_STUB) |
| | 2671 | ftable=(int)readmemh; |
| | 2672 | if(type==LOADW_STUB) |
| | 2673 | ftable=(int)readmem; |
| | 2674 | #ifndef FORCE32 |
| | 2675 | if(type==LOADD_STUB) |
| | 2676 | ftable=(int)readmemd; |
| | 2677 | #endif |
| | 2678 | assert(ftable!=0); |
| | 2679 | if(target==0) |
| | 2680 | emit_movimm(addr,rs); |
| | 2681 | emit_writeword(rs,(int)&address); |
| | 2682 | //emit_pusha(); |
| | 2683 | save_regs(reglist); |
| | 2684 | //emit_shrimm(rs,16,1); |
| | 2685 | int cc=get_reg(regmap,CCREG); |
| | 2686 | if(cc<0) { |
| | 2687 | emit_loadreg(CCREG,2); |
| | 2688 | } |
| | 2689 | //emit_movimm(ftable,0); |
| | 2690 | emit_movimm(((u_int *)ftable)[addr>>16],0); |
| | 2691 | //emit_readword((int)&last_count,12); |
| | 2692 | emit_addimm(cc<0?2:cc,CLOCK_DIVIDER*(adj+1),2); |
| | 2693 | if((signed int)addr>=(signed int)0xC0000000) { |
| | 2694 | // Pagefault address |
| | 2695 | int ds=regmap!=regs[i].regmap; |
| | 2696 | emit_movimm(start+i*4+(((regs[i].was32>>rs1[i])&1)<<1)+ds,3); |
| | 2697 | } |
| | 2698 | //emit_add(12,2,2); |
| | 2699 | //emit_writeword(2,(int)&Count); |
| | 2700 | //emit_call(((u_int *)ftable)[addr>>16]); |
| | 2701 | emit_call((int)&indirect_jump); |
| | 2702 | // We really shouldn't need to update the count here, |
| | 2703 | // but not doing so causes random crashes... |
| | 2704 | emit_readword((int)&Count,HOST_TEMPREG); |
| | 2705 | emit_readword((int)&next_interupt,2); |
| | 2706 | emit_addimm(HOST_TEMPREG,-CLOCK_DIVIDER*(adj+1),HOST_TEMPREG); |
| | 2707 | emit_writeword(2,(int)&last_count); |
| | 2708 | emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc); |
| | 2709 | if(cc<0) { |
| | 2710 | emit_storereg(CCREG,HOST_TEMPREG); |
| | 2711 | } |
| | 2712 | //emit_popa(); |
| | 2713 | restore_regs(reglist); |
| | 2714 | if(rt>=0) { |
| | 2715 | if(type==LOADB_STUB) |
| | 2716 | emit_movsbl((int)&readmem_dword,rt); |
| | 2717 | if(type==LOADBU_STUB) |
| | 2718 | emit_movzbl((int)&readmem_dword,rt); |
| | 2719 | if(type==LOADH_STUB) |
| | 2720 | emit_movswl((int)&readmem_dword,rt); |
| | 2721 | if(type==LOADHU_STUB) |
| | 2722 | emit_movzwl((int)&readmem_dword,rt); |
| | 2723 | if(type==LOADW_STUB) |
| | 2724 | emit_readword((int)&readmem_dword,rt); |
| | 2725 | if(type==LOADD_STUB) { |
| | 2726 | emit_readword((int)&readmem_dword,rt); |
| | 2727 | if(rth>=0) emit_readword(((int)&readmem_dword)+4,rth); |
| | 2728 | } |
| | 2729 | } |
| | 2730 | } |
| | 2731 | |
| | 2732 | do_writestub(int n) |
| | 2733 | { |
| | 2734 | assem_debug("do_writestub %x\n",start+stubs[n][3]*4); |
| | 2735 | literal_pool(256); |
| | 2736 | set_jump_target(stubs[n][1],(int)out); |
| | 2737 | int type=stubs[n][0]; |
| | 2738 | int i=stubs[n][3]; |
| | 2739 | int rs=stubs[n][4]; |
| | 2740 | struct regstat *i_regs=(struct regstat *)stubs[n][5]; |
| | 2741 | u_int reglist=stubs[n][7]; |
| | 2742 | signed char *i_regmap=i_regs->regmap; |
| | 2743 | int addr=get_reg(i_regmap,AGEN1+(i&1)); |
| | 2744 | int rth,rt,r; |
| | 2745 | int ds; |
| | 2746 | if(itype[i]==C1LS||itype[i]==C2LS) { |
| | 2747 | rth=get_reg(i_regmap,FTEMP|64); |
| | 2748 | rt=get_reg(i_regmap,r=FTEMP); |
| | 2749 | }else{ |
| | 2750 | rth=get_reg(i_regmap,rs2[i]|64); |
| | 2751 | rt=get_reg(i_regmap,r=rs2[i]); |
| | 2752 | } |
| | 2753 | assert(rs>=0); |
| | 2754 | assert(rt>=0); |
| | 2755 | if(addr<0) addr=get_reg(i_regmap,-1); |
| | 2756 | assert(addr>=0); |
| | 2757 | int ftable=0; |
| | 2758 | if(type==STOREB_STUB) |
| | 2759 | ftable=(int)writememb; |
| | 2760 | if(type==STOREH_STUB) |
| | 2761 | ftable=(int)writememh; |
| | 2762 | if(type==STOREW_STUB) |
| | 2763 | ftable=(int)writemem; |
| | 2764 | #ifndef FORCE32 |
| | 2765 | if(type==STORED_STUB) |
| | 2766 | ftable=(int)writememd; |
| | 2767 | #endif |
| | 2768 | assert(ftable!=0); |
| | 2769 | emit_writeword(rs,(int)&address); |
| | 2770 | //emit_shrimm(rs,16,rs); |
| | 2771 | //emit_movmem_indexedx4(ftable,rs,rs); |
| | 2772 | if(type==STOREB_STUB) |
| | 2773 | emit_writebyte(rt,(int)&byte); |
| | 2774 | if(type==STOREH_STUB) |
| | 2775 | emit_writehword(rt,(int)&hword); |
| | 2776 | if(type==STOREW_STUB) |
| | 2777 | emit_writeword(rt,(int)&word); |
| | 2778 | if(type==STORED_STUB) { |
| | 2779 | #ifndef FORCE32 |
| | 2780 | emit_writeword(rt,(int)&dword); |
| | 2781 | emit_writeword(r?rth:rt,(int)&dword+4); |
| | 2782 | #else |
| | 2783 | printf("STORED_STUB\n"); |
| | 2784 | #endif |
| | 2785 | } |
| | 2786 | //emit_pusha(); |
| | 2787 | save_regs(reglist); |
| | 2788 | ds=i_regs!=®s[i]; |
| | 2789 | int real_rs=get_reg(i_regmap,rs1[i]); |
| | 2790 | u_int cmask=ds?-1:(0x100f|~i_regs->wasconst); |
| | 2791 | if(!ds) load_all_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))&0x100f,i); |
| | 2792 | wb_dirtys(i_regs->regmap_entry,i_regs->was32,i_regs->wasdirty&cmask&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))); |
| | 2793 | if(!ds) wb_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))&~0x100f,i); |
| | 2794 | emit_shrimm(rs,16,1); |
| | 2795 | int cc=get_reg(i_regmap,CCREG); |
| | 2796 | if(cc<0) { |
| | 2797 | emit_loadreg(CCREG,2); |
| | 2798 | } |
| | 2799 | emit_movimm(ftable,0); |
| | 2800 | emit_addimm(cc<0?2:cc,2*stubs[n][6]+2,2); |
| | 2801 | emit_movimm(start+stubs[n][3]*4+(((regs[i].was32>>rs1[i])&1)<<1)+ds,3); |
| | 2802 | //emit_readword((int)&last_count,temp); |
| | 2803 | //emit_addimm(cc,2*stubs[n][5]+2,cc); |
| | 2804 | //emit_add(cc,temp,cc); |
| | 2805 | //emit_writeword(cc,(int)&Count); |
| | 2806 | emit_call((int)&indirect_jump_indexed); |
| | 2807 | //emit_callreg(rs); |
| | 2808 | emit_readword((int)&Count,HOST_TEMPREG); |
| | 2809 | emit_readword((int)&next_interupt,2); |
| | 2810 | emit_addimm(HOST_TEMPREG,-2*stubs[n][6]-2,HOST_TEMPREG); |
| | 2811 | emit_writeword(2,(int)&last_count); |
| | 2812 | emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc); |
| | 2813 | if(cc<0) { |
| | 2814 | emit_storereg(CCREG,HOST_TEMPREG); |
| | 2815 | } |
| | 2816 | //emit_popa(); |
| | 2817 | restore_regs(reglist); |
| | 2818 | //if((cc=get_reg(regmap,CCREG))>=0) { |
| | 2819 | // emit_loadreg(CCREG,cc); |
| | 2820 | //} |
| | 2821 | emit_jmp(stubs[n][2]); // return address |
| | 2822 | } |
| | 2823 | |
| | 2824 | inline_writestub(int type, int i, u_int addr, signed char regmap[], int target, int adj, u_int reglist) |
| | 2825 | { |
| | 2826 | int rs=get_reg(regmap,-1); |
| | 2827 | int rth=get_reg(regmap,target|64); |
| | 2828 | int rt=get_reg(regmap,target); |
| | 2829 | assert(rs>=0); |
| | 2830 | assert(rt>=0); |
| | 2831 | int ftable=0; |
| | 2832 | if(type==STOREB_STUB) |
| | 2833 | ftable=(int)writememb; |
| | 2834 | if(type==STOREH_STUB) |
| | 2835 | ftable=(int)writememh; |
| | 2836 | if(type==STOREW_STUB) |
| | 2837 | ftable=(int)writemem; |
| | 2838 | #ifndef FORCE32 |
| | 2839 | if(type==STORED_STUB) |
| | 2840 | ftable=(int)writememd; |
| | 2841 | #endif |
| | 2842 | assert(ftable!=0); |
| | 2843 | emit_writeword(rs,(int)&address); |
| | 2844 | //emit_shrimm(rs,16,rs); |
| | 2845 | //emit_movmem_indexedx4(ftable,rs,rs); |
| | 2846 | if(type==STOREB_STUB) |
| | 2847 | emit_writebyte(rt,(int)&byte); |
| | 2848 | if(type==STOREH_STUB) |
| | 2849 | emit_writehword(rt,(int)&hword); |
| | 2850 | if(type==STOREW_STUB) |
| | 2851 | emit_writeword(rt,(int)&word); |
| | 2852 | if(type==STORED_STUB) { |
| | 2853 | #ifndef FORCE32 |
| | 2854 | emit_writeword(rt,(int)&dword); |
| | 2855 | emit_writeword(target?rth:rt,(int)&dword+4); |
| | 2856 | #else |
| | 2857 | printf("STORED_STUB\n"); |
| | 2858 | #endif |
| | 2859 | } |
| | 2860 | //emit_pusha(); |
| | 2861 | save_regs(reglist); |
| | 2862 | //emit_shrimm(rs,16,1); |
| | 2863 | int cc=get_reg(regmap,CCREG); |
| | 2864 | if(cc<0) { |
| | 2865 | emit_loadreg(CCREG,2); |
| | 2866 | } |
| | 2867 | //emit_movimm(ftable,0); |
| | 2868 | emit_movimm(((u_int *)ftable)[addr>>16],0); |
| | 2869 | //emit_readword((int)&last_count,12); |
| | 2870 | emit_addimm(cc<0?2:cc,CLOCK_DIVIDER*(adj+1),2); |
| | 2871 | if((signed int)addr>=(signed int)0xC0000000) { |
| | 2872 | // Pagefault address |
| | 2873 | int ds=regmap!=regs[i].regmap; |
| | 2874 | emit_movimm(start+i*4+(((regs[i].was32>>rs1[i])&1)<<1)+ds,3); |
| | 2875 | } |
| | 2876 | //emit_add(12,2,2); |
| | 2877 | //emit_writeword(2,(int)&Count); |
| | 2878 | //emit_call(((u_int *)ftable)[addr>>16]); |
| | 2879 | emit_call((int)&indirect_jump); |
| | 2880 | emit_readword((int)&Count,HOST_TEMPREG); |
| | 2881 | emit_readword((int)&next_interupt,2); |
| | 2882 | emit_addimm(HOST_TEMPREG,-CLOCK_DIVIDER*(adj+1),HOST_TEMPREG); |
| | 2883 | emit_writeword(2,(int)&last_count); |
| | 2884 | emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc); |
| | 2885 | if(cc<0) { |
| | 2886 | emit_storereg(CCREG,HOST_TEMPREG); |
| | 2887 | } |
| | 2888 | //emit_popa(); |
| | 2889 | restore_regs(reglist); |
| | 2890 | } |
| | 2891 | |
| | 2892 | do_unalignedwritestub(int n) |
| | 2893 | { |
| | 2894 | assem_debug("do_unalignedwritestub %x\n",start+stubs[n][3]*4); |
| | 2895 | literal_pool(256); |
| | 2896 | set_jump_target(stubs[n][1],(int)out); |
| | 2897 | |
| | 2898 | int i=stubs[n][3]; |
| | 2899 | struct regstat *i_regs=(struct regstat *)stubs[n][4]; |
| | 2900 | int addr=stubs[n][5]; |
| | 2901 | u_int reglist=stubs[n][7]; |
| | 2902 | signed char *i_regmap=i_regs->regmap; |
| | 2903 | int temp2=get_reg(i_regmap,FTEMP); |
| | 2904 | int rt; |
| | 2905 | int ds, real_rs; |
| | 2906 | rt=get_reg(i_regmap,rs2[i]); |
| | 2907 | assert(rt>=0); |
| | 2908 | assert(addr>=0); |
| | 2909 | assert(opcode[i]==0x2a||opcode[i]==0x2e); // SWL/SWR only implemented |
| | 2910 | reglist|=(1<<addr); |
| | 2911 | reglist&=~(1<<temp2); |
| | 2912 | |
| | 2913 | emit_andimm(addr,0xfffffffc,temp2); |
| | 2914 | emit_writeword(temp2,(int)&address); |
| | 2915 | |
| | 2916 | save_regs(reglist); |
| | 2917 | ds=i_regs!=®s[i]; |
| | 2918 | real_rs=get_reg(i_regmap,rs1[i]); |
| | 2919 | u_int cmask=ds?-1:(0x100f|~i_regs->wasconst); |
| | 2920 | if(!ds) load_all_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))&0x100f,i); |
| | 2921 | wb_dirtys(i_regs->regmap_entry,i_regs->was32,i_regs->wasdirty&cmask&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))); |
| | 2922 | if(!ds) wb_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))&~0x100f,i); |
| | 2923 | emit_shrimm(addr,16,1); |
| | 2924 | int cc=get_reg(i_regmap,CCREG); |
| | 2925 | if(cc<0) { |
| | 2926 | emit_loadreg(CCREG,2); |
| | 2927 | } |
| | 2928 | emit_movimm((u_int)readmem,0); |
| | 2929 | emit_addimm(cc<0?2:cc,2*stubs[n][6]+2,2); |
| | 2930 | emit_movimm(start+stubs[n][3]*4+(((regs[i].was32>>rs1[i])&1)<<1)+ds,3); // XXX: can be rm'd? |
| | 2931 | emit_call((int)&indirect_jump_indexed); |
| | 2932 | restore_regs(reglist); |
| | 2933 | |
| | 2934 | emit_readword((int)&readmem_dword,temp2); |
| | 2935 | int temp=addr; //hmh |
| | 2936 | emit_shlimm(addr,3,temp); |
| | 2937 | emit_andimm(temp,24,temp); |
| | 2938 | #ifdef BIG_ENDIAN_MIPS |
| | 2939 | if (opcode[i]==0x2e) // SWR |
| | 2940 | #else |
| | 2941 | if (opcode[i]==0x2a) // SWL |
| | 2942 | #endif |
| | 2943 | emit_xorimm(temp,24,temp); |
| | 2944 | emit_movimm(-1,HOST_TEMPREG); |
| | 2945 | if (opcode[i]==0x2a) { // SWL |
| | 2946 | emit_bic_lsr(temp2,HOST_TEMPREG,temp,temp2); |
| | 2947 | emit_orrshr(rt,temp,temp2); |
| | 2948 | }else{ |
| | 2949 | emit_bic_lsl(temp2,HOST_TEMPREG,temp,temp2); |
| | 2950 | emit_orrshl(rt,temp,temp2); |
| | 2951 | } |
| | 2952 | emit_readword((int)&address,addr); |
| | 2953 | emit_writeword(temp2,(int)&word); |
| | 2954 | //save_regs(reglist); // don't need to, no state changes |
| | 2955 | emit_shrimm(addr,16,1); |
| | 2956 | emit_movimm((u_int)writemem,0); |
| | 2957 | //emit_call((int)&indirect_jump_indexed); |
| | 2958 | emit_mov(15,14); |
| | 2959 | emit_readword_dualindexedx4(0,1,15); |
| | 2960 | emit_readword((int)&Count,HOST_TEMPREG); |
| | 2961 | emit_readword((int)&next_interupt,2); |
| | 2962 | emit_addimm(HOST_TEMPREG,-2*stubs[n][6]-2,HOST_TEMPREG); |
| | 2963 | emit_writeword(2,(int)&last_count); |
| | 2964 | emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc); |
| | 2965 | if(cc<0) { |
| | 2966 | emit_storereg(CCREG,HOST_TEMPREG); |
| | 2967 | } |
| | 2968 | restore_regs(reglist); |
| | 2969 | emit_jmp(stubs[n][2]); // return address |
| | 2970 | } |
| | 2971 | |
| | 2972 | void printregs(int edi,int esi,int ebp,int esp,int b,int d,int c,int a) |
| | 2973 | { |
| | 2974 | printf("regs: %x %x %x %x %x %x %x (%x)\n",a,b,c,d,ebp,esi,edi,(&edi)[-1]); |
| | 2975 | } |
| | 2976 | |
| | 2977 | do_invstub(int n) |
| | 2978 | { |
| | 2979 | literal_pool(20); |
| | 2980 | u_int reglist=stubs[n][3]; |
| | 2981 | set_jump_target(stubs[n][1],(int)out); |
| | 2982 | save_regs(reglist); |
| | 2983 | if(stubs[n][4]!=0) emit_mov(stubs[n][4],0); |
| | 2984 | emit_call((int)&invalidate_addr); |
| | 2985 | restore_regs(reglist); |
| | 2986 | emit_jmp(stubs[n][2]); // return address |
| | 2987 | } |
| | 2988 | |
| | 2989 | int do_dirty_stub(int i) |
| | 2990 | { |
| | 2991 | assem_debug("do_dirty_stub %x\n",start+i*4); |
| | 2992 | u_int addr=(int)start<(int)0xC0000000?(u_int)source:(u_int)start; |
| | 2993 | #ifdef PCSX |
| | 2994 | addr=(u_int)source; |
| | 2995 | #endif |
| | 2996 | // Careful about the code output here, verify_dirty needs to parse it. |
| | 2997 | #ifdef ARMv5_ONLY |
| | 2998 | emit_loadlp(addr,1); |
| | 2999 | emit_loadlp((int)copy,2); |
| | 3000 | emit_loadlp(slen*4,3); |
| | 3001 | #else |
| | 3002 | emit_movw(addr&0x0000FFFF,1); |
| | 3003 | emit_movw(((u_int)copy)&0x0000FFFF,2); |
| | 3004 | emit_movt(addr&0xFFFF0000,1); |
| | 3005 | emit_movt(((u_int)copy)&0xFFFF0000,2); |
| | 3006 | emit_movw(slen*4,3); |
| | 3007 | #endif |
| | 3008 | emit_movimm(start+i*4,0); |
| | 3009 | emit_call((int)start<(int)0xC0000000?(int)&verify_code:(int)&verify_code_vm); |
| | 3010 | int entry=(int)out; |
| | 3011 | load_regs_entry(i); |
| | 3012 | if(entry==(int)out) entry=instr_addr[i]; |
| | 3013 | emit_jmp(instr_addr[i]); |
| | 3014 | return entry; |
| | 3015 | } |
| | 3016 | |
| | 3017 | void do_dirty_stub_ds() |
| | 3018 | { |
| | 3019 | // Careful about the code output here, verify_dirty needs to parse it. |
| | 3020 | #ifdef ARMv5_ONLY |
| | 3021 | emit_loadlp((int)start<(int)0xC0000000?(int)source:(int)start,1); |
| | 3022 | emit_loadlp((int)copy,2); |
| | 3023 | emit_loadlp(slen*4,3); |
| | 3024 | #else |
| | 3025 | emit_movw(((int)start<(int)0xC0000000?(u_int)source:(u_int)start)&0x0000FFFF,1); |
| | 3026 | emit_movw(((u_int)copy)&0x0000FFFF,2); |
| | 3027 | emit_movt(((int)start<(int)0xC0000000?(u_int)source:(u_int)start)&0xFFFF0000,1); |
| | 3028 | emit_movt(((u_int)copy)&0xFFFF0000,2); |
| | 3029 | emit_movw(slen*4,3); |
| | 3030 | #endif |
| | 3031 | emit_movimm(start+1,0); |
| | 3032 | emit_call((int)&verify_code_ds); |
| | 3033 | } |
| | 3034 | |
| | 3035 | do_cop1stub(int n) |
| | 3036 | { |
| | 3037 | literal_pool(256); |
| | 3038 | assem_debug("do_cop1stub %x\n",start+stubs[n][3]*4); |
| | 3039 | set_jump_target(stubs[n][1],(int)out); |
| | 3040 | int i=stubs[n][3]; |
| | 3041 | // int rs=stubs[n][4]; |
| | 3042 | struct regstat *i_regs=(struct regstat *)stubs[n][5]; |
| | 3043 | int ds=stubs[n][6]; |
| | 3044 | if(!ds) { |
| | 3045 | load_all_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty,i); |
| | 3046 | //if(i_regs!=®s[i]) printf("oops: regs[i]=%x i_regs=%x",(int)®s[i],(int)i_regs); |
| | 3047 | } |
| | 3048 | //else {printf("fp exception in delay slot\n");} |
| | 3049 | wb_dirtys(i_regs->regmap_entry,i_regs->was32,i_regs->wasdirty); |
| | 3050 | if(regs[i].regmap_entry[HOST_CCREG]!=CCREG) emit_loadreg(CCREG,HOST_CCREG); |
| | 3051 | emit_movimm(start+(i-ds)*4,EAX); // Get PC |
| | 3052 | emit_addimm(HOST_CCREG,CLOCK_DIVIDER*ccadj[i],HOST_CCREG); // CHECK: is this right? There should probably be an extra cycle... |
| | 3053 | emit_jmp(ds?(int)fp_exception_ds:(int)fp_exception); |
| | 3054 | } |
| | 3055 | |
| | 3056 | /* TLB */ |
| | 3057 | |
| | 3058 | int do_tlb_r(int s,int ar,int map,int x,int a,int shift,int c,u_int addr) |
| | 3059 | { |
| | 3060 | if(c) { |
| | 3061 | if((signed int)addr>=(signed int)0xC0000000) { |
| | 3062 | // address_generation already loaded the const |
| | 3063 | emit_readword_dualindexedx4(FP,map,map); |
| | 3064 | } |
| | 3065 | else |
| | 3066 | return -1; // No mapping |
| | 3067 | } |
| | 3068 | else { |
| | 3069 | assert(s!=map); |
| | 3070 | emit_movimm(((int)memory_map-(int)&dynarec_local)>>2,map); |
| | 3071 | emit_addsr12(map,s,map); |
| | 3072 | // Schedule this while we wait on the load |
| | 3073 | //if(x) emit_xorimm(s,x,ar); |
| | 3074 | if(shift>=0) emit_shlimm(s,3,shift); |
| | 3075 | if(~a) emit_andimm(s,a,ar); |
| | 3076 | emit_readword_dualindexedx4(FP,map,map); |
| | 3077 | } |
| | 3078 | return map; |
| | 3079 | } |
| | 3080 | int do_tlb_r_branch(int map, int c, u_int addr, int *jaddr) |
| | 3081 | { |
| | 3082 | if(!c||(signed int)addr>=(signed int)0xC0000000) { |
| | 3083 | emit_test(map,map); |
| | 3084 | *jaddr=(int)out; |
| | 3085 | emit_js(0); |
| | 3086 | } |
| | 3087 | return map; |
| | 3088 | } |
| | 3089 | |
| | 3090 | int gen_tlb_addr_r(int ar, int map) { |
| | 3091 | if(map>=0) { |
| | 3092 | assem_debug("add %s,%s,%s lsl #2\n",regname[ar],regname[ar],regname[map]); |
| | 3093 | output_w32(0xe0800100|rd_rn_rm(ar,ar,map)); |
| | 3094 | } |
| | 3095 | } |
| | 3096 | |
| | 3097 | int do_tlb_w(int s,int ar,int map,int x,int c,u_int addr) |
| | 3098 | { |
| | 3099 | if(c) { |
| | 3100 | if(addr<0x80800000||addr>=0xC0000000) { |
| | 3101 | // address_generation already loaded the const |
| | 3102 | emit_readword_dualindexedx4(FP,map,map); |
| | 3103 | } |
| | 3104 | else |
| | 3105 | return -1; // No mapping |
| | 3106 | } |
| | 3107 | else { |
| | 3108 | assert(s!=map); |
| | 3109 | emit_movimm(((int)memory_map-(int)&dynarec_local)>>2,map); |
| | 3110 | emit_addsr12(map,s,map); |
| | 3111 | // Schedule this while we wait on the load |
| | 3112 | //if(x) emit_xorimm(s,x,ar); |
| | 3113 | emit_readword_dualindexedx4(FP,map,map); |
| | 3114 | } |
| | 3115 | return map; |
| | 3116 | } |
| | 3117 | int do_tlb_w_branch(int map, int c, u_int addr, int *jaddr) |
| | 3118 | { |
| | 3119 | if(!c||addr<0x80800000||addr>=0xC0000000) { |
| | 3120 | emit_testimm(map,0x40000000); |
| | 3121 | *jaddr=(int)out; |
| | 3122 | emit_jne(0); |
| | 3123 | } |
| | 3124 | } |
| | 3125 | |
| | 3126 | int gen_tlb_addr_w(int ar, int map) { |
| | 3127 | if(map>=0) { |
| | 3128 | assem_debug("add %s,%s,%s lsl #2\n",regname[ar],regname[ar],regname[map]); |
| | 3129 | output_w32(0xe0800100|rd_rn_rm(ar,ar,map)); |
| | 3130 | } |
| | 3131 | } |
| | 3132 | |
| | 3133 | // Generate the address of the memory_map entry, relative to dynarec_local |
| | 3134 | generate_map_const(u_int addr,int reg) { |
| | 3135 | //printf("generate_map_const(%x,%s)\n",addr,regname[reg]); |
| | 3136 | emit_movimm((addr>>12)+(((u_int)memory_map-(u_int)&dynarec_local)>>2),reg); |
| | 3137 | } |
| | 3138 | |
| | 3139 | /* Special assem */ |
| | 3140 | |
| | 3141 | void shift_assemble_arm(int i,struct regstat *i_regs) |
| | 3142 | { |
| | 3143 | if(rt1[i]) { |
| | 3144 | if(opcode2[i]<=0x07) // SLLV/SRLV/SRAV |
| | 3145 | { |
| | 3146 | signed char s,t,shift; |
| | 3147 | t=get_reg(i_regs->regmap,rt1[i]); |
| | 3148 | s=get_reg(i_regs->regmap,rs1[i]); |
| | 3149 | shift=get_reg(i_regs->regmap,rs2[i]); |
| | 3150 | if(t>=0){ |
| | 3151 | if(rs1[i]==0) |
| | 3152 | { |
| | 3153 | emit_zeroreg(t); |
| | 3154 | } |
| | 3155 | else if(rs2[i]==0) |
| | 3156 | { |
| | 3157 | assert(s>=0); |
| | 3158 | if(s!=t) emit_mov(s,t); |
| | 3159 | } |
| | 3160 | else |
| | 3161 | { |
| | 3162 | emit_andimm(shift,31,HOST_TEMPREG); |
| | 3163 | if(opcode2[i]==4) // SLLV |
| | 3164 | { |
| | 3165 | emit_shl(s,HOST_TEMPREG,t); |
| | 3166 | } |
| | 3167 | if(opcode2[i]==6) // SRLV |
| | 3168 | { |
| | 3169 | emit_shr(s,HOST_TEMPREG,t); |
| | 3170 | } |
| | 3171 | if(opcode2[i]==7) // SRAV |
| | 3172 | { |
| | 3173 | emit_sar(s,HOST_TEMPREG,t); |
| | 3174 | } |
| | 3175 | } |
| | 3176 | } |
| | 3177 | } else { // DSLLV/DSRLV/DSRAV |
| | 3178 | signed char sh,sl,th,tl,shift; |
| | 3179 | th=get_reg(i_regs->regmap,rt1[i]|64); |
| | 3180 | tl=get_reg(i_regs->regmap,rt1[i]); |
| | 3181 | sh=get_reg(i_regs->regmap,rs1[i]|64); |
| | 3182 | sl=get_reg(i_regs->regmap,rs1[i]); |
| | 3183 | shift=get_reg(i_regs->regmap,rs2[i]); |
| | 3184 | if(tl>=0){ |
| | 3185 | if(rs1[i]==0) |
| | 3186 | { |
| | 3187 | emit_zeroreg(tl); |
| | 3188 | if(th>=0) emit_zeroreg(th); |
| | 3189 | } |
| | 3190 | else if(rs2[i]==0) |
| | 3191 | { |
| | 3192 | assert(sl>=0); |
| | 3193 | if(sl!=tl) emit_mov(sl,tl); |
| | 3194 | if(th>=0&&sh!=th) emit_mov(sh,th); |
| | 3195 | } |
| | 3196 | else |
| | 3197 | { |
| | 3198 | // FIXME: What if shift==tl ? |
| | 3199 | assert(shift!=tl); |
| | 3200 | int temp=get_reg(i_regs->regmap,-1); |
| | 3201 | int real_th=th; |
| | 3202 | if(th<0&&opcode2[i]!=0x14) {th=temp;} // DSLLV doesn't need a temporary register |
| | 3203 | assert(sl>=0); |
| | 3204 | assert(sh>=0); |
| | 3205 | emit_andimm(shift,31,HOST_TEMPREG); |
| | 3206 | if(opcode2[i]==0x14) // DSLLV |
| | 3207 | { |
| | 3208 | if(th>=0) emit_shl(sh,HOST_TEMPREG,th); |
| | 3209 | emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG); |
| | 3210 | emit_orrshr(sl,HOST_TEMPREG,th); |
| | 3211 | emit_andimm(shift,31,HOST_TEMPREG); |
| | 3212 | emit_testimm(shift,32); |
| | 3213 | emit_shl(sl,HOST_TEMPREG,tl); |
| | 3214 | if(th>=0) emit_cmovne_reg(tl,th); |
| | 3215 | emit_cmovne_imm(0,tl); |
| | 3216 | } |
| | 3217 | if(opcode2[i]==0x16) // DSRLV |
| | 3218 | { |
| | 3219 | assert(th>=0); |
| | 3220 | emit_shr(sl,HOST_TEMPREG,tl); |
| | 3221 | emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG); |
| | 3222 | emit_orrshl(sh,HOST_TEMPREG,tl); |
| | 3223 | emit_andimm(shift,31,HOST_TEMPREG); |
| | 3224 | emit_testimm(shift,32); |
| | 3225 | emit_shr(sh,HOST_TEMPREG,th); |
| | 3226 | emit_cmovne_reg(th,tl); |
| | 3227 | if(real_th>=0) emit_cmovne_imm(0,th); |
| | 3228 | } |
| | 3229 | if(opcode2[i]==0x17) // DSRAV |
| | 3230 | { |
| | 3231 | assert(th>=0); |
| | 3232 | emit_shr(sl,HOST_TEMPREG,tl); |
| | 3233 | emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG); |
| | 3234 | if(real_th>=0) { |
| | 3235 | assert(temp>=0); |
| | 3236 | emit_sarimm(th,31,temp); |
| | 3237 | } |
| | 3238 | emit_orrshl(sh,HOST_TEMPREG,tl); |
| | 3239 | emit_andimm(shift,31,HOST_TEMPREG); |
| | 3240 | emit_testimm(shift,32); |
| | 3241 | emit_sar(sh,HOST_TEMPREG,th); |
| | 3242 | emit_cmovne_reg(th,tl); |
| | 3243 | if(real_th>=0) emit_cmovne_reg(temp,th); |
| | 3244 | } |
| | 3245 | } |
| | 3246 | } |
| | 3247 | } |
| | 3248 | } |
| | 3249 | } |
| | 3250 | #define shift_assemble shift_assemble_arm |
| | 3251 | |
| | 3252 | void loadlr_assemble_arm(int i,struct regstat *i_regs) |
| | 3253 | { |
| | 3254 | int s,th,tl,temp,temp2,addr,map=-1; |
| | 3255 | int offset; |
| | 3256 | int jaddr=0; |
| | 3257 | int memtarget,c=0; |
| | 3258 | u_int hr,reglist=0; |
| | 3259 | th=get_reg(i_regs->regmap,rt1[i]|64); |
| | 3260 | tl=get_reg(i_regs->regmap,rt1[i]); |
| | 3261 | s=get_reg(i_regs->regmap,rs1[i]); |
| | 3262 | temp=get_reg(i_regs->regmap,-1); |
| | 3263 | temp2=get_reg(i_regs->regmap,FTEMP); |
| | 3264 | addr=get_reg(i_regs->regmap,AGEN1+(i&1)); |
| | 3265 | assert(addr<0); |
| | 3266 | offset=imm[i]; |
| | 3267 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 3268 | if(i_regs->regmap[hr]>=0) reglist|=1<<hr; |
| | 3269 | } |
| | 3270 | reglist|=1<<temp; |
| | 3271 | if(offset||s<0||c) addr=temp2; |
| | 3272 | else addr=s; |
| | 3273 | if(s>=0) { |
| | 3274 | c=(i_regs->wasconst>>s)&1; |
| | 3275 | memtarget=((signed int)(constmap[i][s]+offset))<(signed int)0x80000000+RAM_SIZE; |
| | 3276 | if(using_tlb&&((signed int)(constmap[i][s]+offset))>=(signed int)0xC0000000) memtarget=1; |
| | 3277 | } |
| | 3278 | if(tl>=0) { |
| | 3279 | //assert(tl>=0); |
| | 3280 | //assert(rt1[i]); |
| | 3281 | if(!using_tlb) { |
| | 3282 | if(!c) { |
| | 3283 | emit_shlimm(addr,3,temp); |
| | 3284 | if (opcode[i]==0x22||opcode[i]==0x26) { |
| | 3285 | emit_andimm(addr,0xFFFFFFFC,temp2); // LWL/LWR |
| | 3286 | }else{ |
| | 3287 | emit_andimm(addr,0xFFFFFFF8,temp2); // LDL/LDR |
| | 3288 | } |
| | 3289 | emit_cmpimm(addr,RAM_SIZE); |
| | 3290 | jaddr=(int)out; |
| | 3291 | emit_jno(0); |
| | 3292 | } |
| | 3293 | else { |
| | 3294 | if (opcode[i]==0x22||opcode[i]==0x26) { |
| | 3295 | emit_movimm(((constmap[i][s]+offset)<<3)&24,temp); // LWL/LWR |
| | 3296 | }else{ |
| | 3297 | emit_movimm(((constmap[i][s]+offset)<<3)&56,temp); // LDL/LDR |
| | 3298 | } |
| | 3299 | } |
| | 3300 | }else{ // using tlb |
| | 3301 | int a; |
| | 3302 | if(c) { |
| | 3303 | a=-1; |
| | 3304 | }else if (opcode[i]==0x22||opcode[i]==0x26) { |
| | 3305 | a=0xFFFFFFFC; // LWL/LWR |
| | 3306 | }else{ |
| | 3307 | a=0xFFFFFFF8; // LDL/LDR |
| | 3308 | } |
| | 3309 | map=get_reg(i_regs->regmap,TLREG); |
| | 3310 | assert(map>=0); |
| | 3311 | map=do_tlb_r(addr,temp2,map,0,a,c?-1:temp,c,constmap[i][s]+offset); |
| | 3312 | if(c) { |
| | 3313 | if (opcode[i]==0x22||opcode[i]==0x26) { |
| | 3314 | emit_movimm(((constmap[i][s]+offset)<<3)&24,temp); // LWL/LWR |
| | 3315 | }else{ |
| | 3316 | emit_movimm(((constmap[i][s]+offset)<<3)&56,temp); // LDL/LDR |
| | 3317 | } |
| | 3318 | } |
| | 3319 | do_tlb_r_branch(map,c,constmap[i][s]+offset,&jaddr); |
| | 3320 | } |
| | 3321 | if (opcode[i]==0x22||opcode[i]==0x26) { // LWL/LWR |
| | 3322 | if(!c||memtarget) { |
| | 3323 | //emit_readword_indexed((int)rdram-0x80000000,temp2,temp2); |
| | 3324 | emit_readword_indexed_tlb((int)rdram-0x80000000,temp2,map,temp2); |
| | 3325 | if(jaddr) add_stub(LOADW_STUB,jaddr,(int)out,i,temp2,(int)i_regs,ccadj[i],reglist); |
| | 3326 | } |
| | 3327 | else |
| | 3328 | inline_readstub(LOADW_STUB,i,(constmap[i][s]+offset)&0xFFFFFFFC,i_regs->regmap,FTEMP,ccadj[i],reglist); |
| | 3329 | emit_andimm(temp,24,temp); |
| | 3330 | #ifdef BIG_ENDIAN_MIPS |
| | 3331 | if (opcode[i]==0x26) // LWR |
| | 3332 | #else |
| | 3333 | if (opcode[i]==0x22) // LWL |
| | 3334 | #endif |
| | 3335 | emit_xorimm(temp,24,temp); |
| | 3336 | emit_movimm(-1,HOST_TEMPREG); |
| | 3337 | if (opcode[i]==0x26) { |
| | 3338 | emit_shr(temp2,temp,temp2); |
| | 3339 | emit_bic_lsr(tl,HOST_TEMPREG,temp,tl); |
| | 3340 | }else{ |
| | 3341 | emit_shl(temp2,temp,temp2); |
| | 3342 | emit_bic_lsl(tl,HOST_TEMPREG,temp,tl); |
| | 3343 | } |
| | 3344 | emit_or(temp2,tl,tl); |
| | 3345 | //emit_storereg(rt1[i],tl); // DEBUG |
| | 3346 | } |
| | 3347 | if (opcode[i]==0x1A||opcode[i]==0x1B) { // LDL/LDR |
| | 3348 | // FIXME: little endian |
| | 3349 | int temp2h=get_reg(i_regs->regmap,FTEMP|64); |
| | 3350 | if(!c||memtarget) { |
| | 3351 | //if(th>=0) emit_readword_indexed((int)rdram-0x80000000,temp2,temp2h); |
| | 3352 | //emit_readword_indexed((int)rdram-0x7FFFFFFC,temp2,temp2); |
| | 3353 | emit_readdword_indexed_tlb((int)rdram-0x80000000,temp2,map,temp2h,temp2); |
| | 3354 | if(jaddr) add_stub(LOADD_STUB,jaddr,(int)out,i,temp2,(int)i_regs,ccadj[i],reglist); |
| | 3355 | } |
| | 3356 | else |
| | 3357 | inline_readstub(LOADD_STUB,i,(constmap[i][s]+offset)&0xFFFFFFF8,i_regs->regmap,FTEMP,ccadj[i],reglist); |
| | 3358 | emit_testimm(temp,32); |
| | 3359 | emit_andimm(temp,24,temp); |
| | 3360 | if (opcode[i]==0x1A) { // LDL |
| | 3361 | emit_rsbimm(temp,32,HOST_TEMPREG); |
| | 3362 | emit_shl(temp2h,temp,temp2h); |
| | 3363 | emit_orrshr(temp2,HOST_TEMPREG,temp2h); |
| | 3364 | emit_movimm(-1,HOST_TEMPREG); |
| | 3365 | emit_shl(temp2,temp,temp2); |
| | 3366 | emit_cmove_reg(temp2h,th); |
| | 3367 | emit_biceq_lsl(tl,HOST_TEMPREG,temp,tl); |
| | 3368 | emit_bicne_lsl(th,HOST_TEMPREG,temp,th); |
| | 3369 | emit_orreq(temp2,tl,tl); |
| | 3370 | emit_orrne(temp2,th,th); |
| | 3371 | } |
| | 3372 | if (opcode[i]==0x1B) { // LDR |
| | 3373 | emit_xorimm(temp,24,temp); |
| | 3374 | emit_rsbimm(temp,32,HOST_TEMPREG); |
| | 3375 | emit_shr(temp2,temp,temp2); |
| | 3376 | emit_orrshl(temp2h,HOST_TEMPREG,temp2); |
| | 3377 | emit_movimm(-1,HOST_TEMPREG); |
| | 3378 | emit_shr(temp2h,temp,temp2h); |
| | 3379 | emit_cmovne_reg(temp2,tl); |
| | 3380 | emit_bicne_lsr(th,HOST_TEMPREG,temp,th); |
| | 3381 | emit_biceq_lsr(tl,HOST_TEMPREG,temp,tl); |
| | 3382 | emit_orrne(temp2h,th,th); |
| | 3383 | emit_orreq(temp2h,tl,tl); |
| | 3384 | } |
| | 3385 | } |
| | 3386 | } |
| | 3387 | } |
| | 3388 | #define loadlr_assemble loadlr_assemble_arm |
| | 3389 | |
| | 3390 | void cop0_assemble(int i,struct regstat *i_regs) |
| | 3391 | { |
| | 3392 | if(opcode2[i]==0) // MFC0 |
| | 3393 | { |
| | 3394 | signed char t=get_reg(i_regs->regmap,rt1[i]); |
| | 3395 | char copr=(source[i]>>11)&0x1f; |
| | 3396 | //assert(t>=0); // Why does this happen? OOT is weird |
| | 3397 | if(t>=0&&rt1[i]!=0) { |
| | 3398 | #ifdef MUPEN64 |
| | 3399 | emit_addimm(FP,(int)&fake_pc-(int)&dynarec_local,0); |
| | 3400 | emit_movimm((source[i]>>11)&0x1f,1); |
| | 3401 | emit_writeword(0,(int)&PC); |
| | 3402 | emit_writebyte(1,(int)&(fake_pc.f.r.nrd)); |
| | 3403 | if(copr==9) { |
| | 3404 | emit_readword((int)&last_count,ECX); |
| | 3405 | emit_loadreg(CCREG,HOST_CCREG); // TODO: do proper reg alloc |
| | 3406 | emit_add(HOST_CCREG,ECX,HOST_CCREG); |
| | 3407 | emit_addimm(HOST_CCREG,CLOCK_DIVIDER*ccadj[i],HOST_CCREG); |
| | 3408 | emit_writeword(HOST_CCREG,(int)&Count); |
| | 3409 | } |
| | 3410 | emit_call((int)MFC0); |
| | 3411 | emit_readword((int)&readmem_dword,t); |
| | 3412 | #else |
| | 3413 | emit_readword((int)®_cop0+copr*4,t); |
| | 3414 | #endif |
| | 3415 | } |
| | 3416 | } |
| | 3417 | else if(opcode2[i]==4) // MTC0 |
| | 3418 | { |
| | 3419 | signed char s=get_reg(i_regs->regmap,rs1[i]); |
| | 3420 | char copr=(source[i]>>11)&0x1f; |
| | 3421 | assert(s>=0); |
| | 3422 | emit_writeword(s,(int)&readmem_dword); |
| | 3423 | wb_register(rs1[i],i_regs->regmap,i_regs->dirty,i_regs->is32); |
| | 3424 | #ifdef MUPEN64 |
| | 3425 | emit_addimm(FP,(int)&fake_pc-(int)&dynarec_local,0); |
| | 3426 | emit_movimm((source[i]>>11)&0x1f,1); |
| | 3427 | emit_writeword(0,(int)&PC); |
| | 3428 | emit_writebyte(1,(int)&(fake_pc.f.r.nrd)); |
| | 3429 | #endif |
| | 3430 | if(copr==9||copr==11||copr==12||copr==13) { |
| | 3431 | emit_readword((int)&last_count,ECX); |
| | 3432 | emit_loadreg(CCREG,HOST_CCREG); // TODO: do proper reg alloc |
| | 3433 | emit_add(HOST_CCREG,ECX,HOST_CCREG); |
| | 3434 | emit_addimm(HOST_CCREG,CLOCK_DIVIDER*ccadj[i],HOST_CCREG); |
| | 3435 | emit_writeword(HOST_CCREG,(int)&Count); |
| | 3436 | } |
| | 3437 | // What a mess. The status register (12) can enable interrupts, |
| | 3438 | // so needs a special case to handle a pending interrupt. |
| | 3439 | // The interrupt must be taken immediately, because a subsequent |
| | 3440 | // instruction might disable interrupts again. |
| | 3441 | if(copr==12||copr==13) { |
| | 3442 | #ifdef PCSX |
| | 3443 | if (is_delayslot) { |
| | 3444 | // burn cycles to cause cc_interrupt, which will |
| | 3445 | // reschedule next_interupt. Relies on CCREG from above. |
| | 3446 | assem_debug("MTC0 DS %d\n", copr); |
| | 3447 | emit_writeword(HOST_CCREG,(int)&last_count); |
| | 3448 | emit_movimm(0,HOST_CCREG); |
| | 3449 | emit_storereg(CCREG,HOST_CCREG); |
| | 3450 | emit_movimm(copr,0); |
| | 3451 | emit_call((int)pcsx_mtc0_ds); |
| | 3452 | return; |
| | 3453 | } |
| | 3454 | #endif |
| | 3455 | emit_movimm(start+i*4+4,0); |
| | 3456 | emit_movimm(0,1); |
| | 3457 | emit_writeword(0,(int)&pcaddr); |
| | 3458 | emit_writeword(1,(int)&pending_exception); |
| | 3459 | } |
| | 3460 | //else if(copr==12&&is_delayslot) emit_call((int)MTC0_R12); |
| | 3461 | //else |
| | 3462 | #ifdef PCSX |
| | 3463 | emit_movimm(copr,0); |
| | 3464 | emit_call((int)pcsx_mtc0); |
| | 3465 | #else |
| | 3466 | emit_call((int)MTC0); |
| | 3467 | #endif |
| | 3468 | if(copr==9||copr==11||copr==12||copr==13) { |
| | 3469 | emit_readword((int)&Count,HOST_CCREG); |
| | 3470 | emit_readword((int)&next_interupt,ECX); |
| | 3471 | emit_addimm(HOST_CCREG,-CLOCK_DIVIDER*ccadj[i],HOST_CCREG); |
| | 3472 | emit_sub(HOST_CCREG,ECX,HOST_CCREG); |
| | 3473 | emit_writeword(ECX,(int)&last_count); |
| | 3474 | emit_storereg(CCREG,HOST_CCREG); |
| | 3475 | } |
| | 3476 | if(copr==12||copr==13) { |
| | 3477 | assert(!is_delayslot); |
| | 3478 | emit_readword((int)&pending_exception,14); |
| | 3479 | } |
| | 3480 | emit_loadreg(rs1[i],s); |
| | 3481 | if(get_reg(i_regs->regmap,rs1[i]|64)>=0) |
| | 3482 | emit_loadreg(rs1[i]|64,get_reg(i_regs->regmap,rs1[i]|64)); |
| | 3483 | if(copr==12||copr==13) { |
| | 3484 | emit_test(14,14); |
| | 3485 | emit_jne((int)&do_interrupt); |
| | 3486 | } |
| | 3487 | cop1_usable=0; |
| | 3488 | } |
| | 3489 | else |
| | 3490 | { |
| | 3491 | assert(opcode2[i]==0x10); |
| | 3492 | #ifndef DISABLE_TLB |
| | 3493 | if((source[i]&0x3f)==0x01) // TLBR |
| | 3494 | emit_call((int)TLBR); |
| | 3495 | if((source[i]&0x3f)==0x02) // TLBWI |
| | 3496 | emit_call((int)TLBWI_new); |
| | 3497 | if((source[i]&0x3f)==0x06) { // TLBWR |
| | 3498 | // The TLB entry written by TLBWR is dependent on the count, |
| | 3499 | // so update the cycle count |
| | 3500 | emit_readword((int)&last_count,ECX); |
| | 3501 | if(i_regs->regmap[HOST_CCREG]!=CCREG) emit_loadreg(CCREG,HOST_CCREG); |
| | 3502 | emit_add(HOST_CCREG,ECX,HOST_CCREG); |
| | 3503 | emit_addimm(HOST_CCREG,CLOCK_DIVIDER*ccadj[i],HOST_CCREG); |
| | 3504 | emit_writeword(HOST_CCREG,(int)&Count); |
| | 3505 | emit_call((int)TLBWR_new); |
| | 3506 | } |
| | 3507 | if((source[i]&0x3f)==0x08) // TLBP |
| | 3508 | emit_call((int)TLBP); |
| | 3509 | #endif |
| | 3510 | #ifdef PCSX |
| | 3511 | if((source[i]&0x3f)==0x10) // RFE |
| | 3512 | { |
| | 3513 | emit_readword((int)&Status,0); |
| | 3514 | emit_andimm(0,0x3c,1); |
| | 3515 | emit_andimm(0,~0xf,0); |
| | 3516 | emit_orrshr_imm(1,2,0); |
| | 3517 | emit_writeword(0,(int)&Status); |
| | 3518 | } |
| | 3519 | #else |
| | 3520 | if((source[i]&0x3f)==0x18) // ERET |
| | 3521 | { |
| | 3522 | int count=ccadj[i]; |
| | 3523 | if(i_regs->regmap[HOST_CCREG]!=CCREG) emit_loadreg(CCREG,HOST_CCREG); |
| | 3524 | emit_addimm(HOST_CCREG,CLOCK_DIVIDER*count,HOST_CCREG); // TODO: Should there be an extra cycle here? |
| | 3525 | emit_jmp((int)jump_eret); |
| | 3526 | } |
| | 3527 | #endif |
| | 3528 | } |
| | 3529 | } |
| | 3530 | |
| | 3531 | static void cop2_get_dreg(u_int copr,signed char tl,signed char temp) |
| | 3532 | { |
| | 3533 | switch (copr) { |
| | 3534 | case 1: |
| | 3535 | case 3: |
| | 3536 | case 5: |
| | 3537 | case 8: |
| | 3538 | case 9: |
| | 3539 | case 10: |
| | 3540 | case 11: |
| | 3541 | emit_readword((int)®_cop2d[copr],tl); |
| | 3542 | emit_signextend16(tl,tl); |
| | 3543 | emit_writeword(tl,(int)®_cop2d[copr]); // hmh |
| | 3544 | break; |
| | 3545 | case 7: |
| | 3546 | case 16: |
| | 3547 | case 17: |
| | 3548 | case 18: |
| | 3549 | case 19: |
| | 3550 | emit_readword((int)®_cop2d[copr],tl); |
| | 3551 | emit_andimm(tl,0xffff,tl); |
| | 3552 | emit_writeword(tl,(int)®_cop2d[copr]); |
| | 3553 | break; |
| | 3554 | case 15: |
| | 3555 | emit_readword((int)®_cop2d[14],tl); // SXY2 |
| | 3556 | emit_writeword(tl,(int)®_cop2d[copr]); |
| | 3557 | break; |
| | 3558 | case 28: |
| | 3559 | case 29: |
| | 3560 | emit_readword((int)®_cop2d[9],temp); |
| | 3561 | emit_testimm(temp,0x8000); // do we need this? |
| | 3562 | emit_andimm(temp,0xf80,temp); |
| | 3563 | emit_andne_imm(temp,0,temp); |
| | 3564 | emit_shrimm(temp,7,tl); |
| | 3565 | emit_readword((int)®_cop2d[10],temp); |
| | 3566 | emit_testimm(temp,0x8000); |
| | 3567 | emit_andimm(temp,0xf80,temp); |
| | 3568 | emit_andne_imm(temp,0,temp); |
| | 3569 | emit_orrshr_imm(temp,2,tl); |
| | 3570 | emit_readword((int)®_cop2d[11],temp); |
| | 3571 | emit_testimm(temp,0x8000); |
| | 3572 | emit_andimm(temp,0xf80,temp); |
| | 3573 | emit_andne_imm(temp,0,temp); |
| | 3574 | emit_orrshl_imm(temp,3,tl); |
| | 3575 | emit_writeword(tl,(int)®_cop2d[copr]); |
| | 3576 | break; |
| | 3577 | default: |
| | 3578 | emit_readword((int)®_cop2d[copr],tl); |
| | 3579 | break; |
| | 3580 | } |
| | 3581 | } |
| | 3582 | |
| | 3583 | static void cop2_put_dreg(u_int copr,signed char sl,signed char temp) |
| | 3584 | { |
| | 3585 | switch (copr) { |
| | 3586 | case 15: |
| | 3587 | emit_readword((int)®_cop2d[13],temp); // SXY1 |
| | 3588 | emit_writeword(sl,(int)®_cop2d[copr]); |
| | 3589 | emit_writeword(temp,(int)®_cop2d[12]); // SXY0 |
| | 3590 | emit_readword((int)®_cop2d[14],temp); // SXY2 |
| | 3591 | emit_writeword(sl,(int)®_cop2d[14]); |
| | 3592 | emit_writeword(temp,(int)®_cop2d[13]); // SXY1 |
| | 3593 | break; |
| | 3594 | case 28: |
| | 3595 | emit_andimm(sl,0x001f,temp); |
| | 3596 | emit_shlimm(temp,7,temp); |
| | 3597 | emit_writeword(temp,(int)®_cop2d[9]); |
| | 3598 | emit_andimm(sl,0x03e0,temp); |
| | 3599 | emit_shlimm(temp,2,temp); |
| | 3600 | emit_writeword(temp,(int)®_cop2d[10]); |
| | 3601 | emit_andimm(sl,0x7c00,temp); |
| | 3602 | emit_shrimm(temp,3,temp); |
| | 3603 | emit_writeword(temp,(int)®_cop2d[11]); |
| | 3604 | emit_writeword(sl,(int)®_cop2d[28]); |
| | 3605 | break; |
| | 3606 | case 30: |
| | 3607 | emit_movs(sl,temp); |
| | 3608 | emit_mvnmi(temp,temp); |
| | 3609 | emit_clz(temp,temp); |
| | 3610 | emit_writeword(sl,(int)®_cop2d[30]); |
| | 3611 | emit_writeword(temp,(int)®_cop2d[31]); |
| | 3612 | break; |
| | 3613 | case 31: |
| | 3614 | break; |
| | 3615 | default: |
| | 3616 | emit_writeword(sl,(int)®_cop2d[copr]); |
| | 3617 | break; |
| | 3618 | } |
| | 3619 | } |
| | 3620 | |
| | 3621 | void cop2_assemble(int i,struct regstat *i_regs) |
| | 3622 | { |
| | 3623 | u_int copr=(source[i]>>11)&0x1f; |
| | 3624 | signed char temp=get_reg(i_regs->regmap,-1); |
| | 3625 | if (opcode2[i]==0) { // MFC2 |
| | 3626 | signed char tl=get_reg(i_regs->regmap,rt1[i]); |
| | 3627 | if(tl>=0&&rt1[i]!=0) |
| | 3628 | cop2_get_dreg(copr,tl,temp); |
| | 3629 | } |
| | 3630 | else if (opcode2[i]==4) { // MTC2 |
| | 3631 | signed char sl=get_reg(i_regs->regmap,rs1[i]); |
| | 3632 | cop2_put_dreg(copr,sl,temp); |
| | 3633 | } |
| | 3634 | else if (opcode2[i]==2) // CFC2 |
| | 3635 | { |
| | 3636 | signed char tl=get_reg(i_regs->regmap,rt1[i]); |
| | 3637 | if(tl>=0&&rt1[i]!=0) |
| | 3638 | emit_readword((int)®_cop2c[copr],tl); |
| | 3639 | } |
| | 3640 | else if (opcode2[i]==6) // CTC2 |
| | 3641 | { |
| | 3642 | signed char sl=get_reg(i_regs->regmap,rs1[i]); |
| | 3643 | switch(copr) { |
| | 3644 | case 4: |
| | 3645 | case 12: |
| | 3646 | case 20: |
| | 3647 | case 26: |
| | 3648 | case 27: |
| | 3649 | case 29: |
| | 3650 | case 30: |
| | 3651 | emit_signextend16(sl,temp); |
| | 3652 | break; |
| | 3653 | case 31: |
| | 3654 | //value = value & 0x7ffff000; |
| | 3655 | //if (value & 0x7f87e000) value |= 0x80000000; |
| | 3656 | emit_shrimm(sl,12,temp); |
| | 3657 | emit_shlimm(temp,12,temp); |
| | 3658 | emit_testimm(temp,0x7f000000); |
| | 3659 | emit_testeqimm(temp,0x00870000); |
| | 3660 | emit_testeqimm(temp,0x0000e000); |
| | 3661 | emit_orrne_imm(temp,0x80000000,temp); |
| | 3662 | break; |
| | 3663 | default: |
| | 3664 | temp=sl; |
| | 3665 | break; |
| | 3666 | } |
| | 3667 | emit_writeword(temp,(int)®_cop2c[copr]); |
| | 3668 | assert(sl>=0); |
| | 3669 | } |
| | 3670 | } |
| | 3671 | |
| | 3672 | void c2op_assemble(int i,struct regstat *i_regs) |
| | 3673 | { |
| | 3674 | signed char temp=get_reg(i_regs->regmap,-1); |
| | 3675 | u_int c2op=source[i]&0x3f; |
| | 3676 | u_int hr,reglist=0; |
| | 3677 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 3678 | if(i_regs->regmap[hr]>=0) reglist|=1<<hr; |
| | 3679 | } |
| | 3680 | if(i==0||itype[i-1]!=C2OP) |
| | 3681 | save_regs(reglist); |
| | 3682 | |
| | 3683 | if (gte_handlers[c2op]!=NULL) { |
| | 3684 | int cc=get_reg(i_regs->regmap,CCREG); |
| | 3685 | emit_movimm(source[i],temp); // opcode |
| | 3686 | if (cc>=0&>e_cycletab[c2op]) |
| | 3687 | emit_addimm(cc,gte_cycletab[c2op]/2,cc); // XXX: cound just adjust ccadj? |
| | 3688 | emit_writeword(temp,(int)&psxRegs.code); |
| | 3689 | emit_call((int)gte_handlers[c2op]); |
| | 3690 | } |
| | 3691 | |
| | 3692 | if(i>=slen-1||itype[i+1]!=C2OP) |
| | 3693 | restore_regs(reglist); |
| | 3694 | } |
| | 3695 | |
| | 3696 | void cop1_unusable(int i,struct regstat *i_regs) |
| | 3697 | { |
| | 3698 | // XXX: should just just do the exception instead |
| | 3699 | if(!cop1_usable) { |
| | 3700 | int jaddr=(int)out; |
| | 3701 | emit_jmp(0); |
| | 3702 | add_stub(FP_STUB,jaddr,(int)out,i,0,(int)i_regs,is_delayslot,0); |
| | 3703 | cop1_usable=1; |
| | 3704 | } |
| | 3705 | } |
| | 3706 | |
| | 3707 | void cop1_assemble(int i,struct regstat *i_regs) |
| | 3708 | { |
| | 3709 | #ifndef DISABLE_COP1 |
| | 3710 | // Check cop1 unusable |
| | 3711 | if(!cop1_usable) { |
| | 3712 | signed char rs=get_reg(i_regs->regmap,CSREG); |
| | 3713 | assert(rs>=0); |
| | 3714 | emit_testimm(rs,0x20000000); |
| | 3715 | int jaddr=(int)out; |
| | 3716 | emit_jeq(0); |
| | 3717 | add_stub(FP_STUB,jaddr,(int)out,i,rs,(int)i_regs,is_delayslot,0); |
| | 3718 | cop1_usable=1; |
| | 3719 | } |
| | 3720 | if (opcode2[i]==0) { // MFC1 |
| | 3721 | signed char tl=get_reg(i_regs->regmap,rt1[i]); |
| | 3722 | if(tl>=0) { |
| | 3723 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],tl); |
| | 3724 | emit_readword_indexed(0,tl,tl); |
| | 3725 | } |
| | 3726 | } |
| | 3727 | else if (opcode2[i]==1) { // DMFC1 |
| | 3728 | signed char tl=get_reg(i_regs->regmap,rt1[i]); |
| | 3729 | signed char th=get_reg(i_regs->regmap,rt1[i]|64); |
| | 3730 | if(tl>=0) { |
| | 3731 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],tl); |
| | 3732 | if(th>=0) emit_readword_indexed(4,tl,th); |
| | 3733 | emit_readword_indexed(0,tl,tl); |
| | 3734 | } |
| | 3735 | } |
| | 3736 | else if (opcode2[i]==4) { // MTC1 |
| | 3737 | signed char sl=get_reg(i_regs->regmap,rs1[i]); |
| | 3738 | signed char temp=get_reg(i_regs->regmap,-1); |
| | 3739 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],temp); |
| | 3740 | emit_writeword_indexed(sl,0,temp); |
| | 3741 | } |
| | 3742 | else if (opcode2[i]==5) { // DMTC1 |
| | 3743 | signed char sl=get_reg(i_regs->regmap,rs1[i]); |
| | 3744 | signed char sh=rs1[i]>0?get_reg(i_regs->regmap,rs1[i]|64):sl; |
| | 3745 | signed char temp=get_reg(i_regs->regmap,-1); |
| | 3746 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],temp); |
| | 3747 | emit_writeword_indexed(sh,4,temp); |
| | 3748 | emit_writeword_indexed(sl,0,temp); |
| | 3749 | } |
| | 3750 | else if (opcode2[i]==2) // CFC1 |
| | 3751 | { |
| | 3752 | signed char tl=get_reg(i_regs->regmap,rt1[i]); |
| | 3753 | if(tl>=0) { |
| | 3754 | u_int copr=(source[i]>>11)&0x1f; |
| | 3755 | if(copr==0) emit_readword((int)&FCR0,tl); |
| | 3756 | if(copr==31) emit_readword((int)&FCR31,tl); |
| | 3757 | } |
| | 3758 | } |
| | 3759 | else if (opcode2[i]==6) // CTC1 |
| | 3760 | { |
| | 3761 | signed char sl=get_reg(i_regs->regmap,rs1[i]); |
| | 3762 | u_int copr=(source[i]>>11)&0x1f; |
| | 3763 | assert(sl>=0); |
| | 3764 | if(copr==31) |
| | 3765 | { |
| | 3766 | emit_writeword(sl,(int)&FCR31); |
| | 3767 | // Set the rounding mode |
| | 3768 | //FIXME |
| | 3769 | //char temp=get_reg(i_regs->regmap,-1); |
| | 3770 | //emit_andimm(sl,3,temp); |
| | 3771 | //emit_fldcw_indexed((int)&rounding_modes,temp); |
| | 3772 | } |
| | 3773 | } |
| | 3774 | #else |
| | 3775 | cop1_unusable(i, i_regs); |
| | 3776 | #endif |
| | 3777 | } |
| | 3778 | |
| | 3779 | void fconv_assemble_arm(int i,struct regstat *i_regs) |
| | 3780 | { |
| | 3781 | #ifndef DISABLE_COP1 |
| | 3782 | signed char temp=get_reg(i_regs->regmap,-1); |
| | 3783 | assert(temp>=0); |
| | 3784 | // Check cop1 unusable |
| | 3785 | if(!cop1_usable) { |
| | 3786 | signed char rs=get_reg(i_regs->regmap,CSREG); |
| | 3787 | assert(rs>=0); |
| | 3788 | emit_testimm(rs,0x20000000); |
| | 3789 | int jaddr=(int)out; |
| | 3790 | emit_jeq(0); |
| | 3791 | add_stub(FP_STUB,jaddr,(int)out,i,rs,(int)i_regs,is_delayslot,0); |
| | 3792 | cop1_usable=1; |
| | 3793 | } |
| | 3794 | |
| | 3795 | #if(defined(__VFP_FP__) && !defined(__SOFTFP__)) |
| | 3796 | if(opcode2[i]==0x10&&(source[i]&0x3f)==0x0d) { // trunc_w_s |
| | 3797 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],temp); |
| | 3798 | emit_flds(temp,15); |
| | 3799 | emit_ftosizs(15,15); // float->int, truncate |
| | 3800 | if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f)) |
| | 3801 | emit_readword((int)®_cop1_simple[(source[i]>>6)&0x1f],temp); |
| | 3802 | emit_fsts(15,temp); |
| | 3803 | return; |
| | 3804 | } |
| | 3805 | if(opcode2[i]==0x11&&(source[i]&0x3f)==0x0d) { // trunc_w_d |
| | 3806 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],temp); |
| | 3807 | emit_vldr(temp,7); |
| | 3808 | emit_ftosizd(7,13); // double->int, truncate |
| | 3809 | emit_readword((int)®_cop1_simple[(source[i]>>6)&0x1f],temp); |
| | 3810 | emit_fsts(13,temp); |
| | 3811 | return; |
| | 3812 | } |
| | 3813 | |
| | 3814 | if(opcode2[i]==0x14&&(source[i]&0x3f)==0x20) { // cvt_s_w |
| | 3815 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],temp); |
| | 3816 | emit_flds(temp,13); |
| | 3817 | if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f)) |
| | 3818 | emit_readword((int)®_cop1_simple[(source[i]>>6)&0x1f],temp); |
| | 3819 | emit_fsitos(13,15); |
| | 3820 | emit_fsts(15,temp); |
| | 3821 | return; |
| | 3822 | } |
| | 3823 | if(opcode2[i]==0x14&&(source[i]&0x3f)==0x21) { // cvt_d_w |
| | 3824 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],temp); |
| | 3825 | emit_flds(temp,13); |
| | 3826 | emit_readword((int)®_cop1_double[(source[i]>>6)&0x1f],temp); |
| | 3827 | emit_fsitod(13,7); |
| | 3828 | emit_vstr(7,temp); |
| | 3829 | return; |
| | 3830 | } |
| | 3831 | |
| | 3832 | if(opcode2[i]==0x10&&(source[i]&0x3f)==0x21) { // cvt_d_s |
| | 3833 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],temp); |
| | 3834 | emit_flds(temp,13); |
| | 3835 | emit_readword((int)®_cop1_double[(source[i]>>6)&0x1f],temp); |
| | 3836 | emit_fcvtds(13,7); |
| | 3837 | emit_vstr(7,temp); |
| | 3838 | return; |
| | 3839 | } |
| | 3840 | if(opcode2[i]==0x11&&(source[i]&0x3f)==0x20) { // cvt_s_d |
| | 3841 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],temp); |
| | 3842 | emit_vldr(temp,7); |
| | 3843 | emit_readword((int)®_cop1_simple[(source[i]>>6)&0x1f],temp); |
| | 3844 | emit_fcvtsd(7,13); |
| | 3845 | emit_fsts(13,temp); |
| | 3846 | return; |
| | 3847 | } |
| | 3848 | #endif |
| | 3849 | |
| | 3850 | // C emulation code |
| | 3851 | |
| | 3852 | u_int hr,reglist=0; |
| | 3853 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 3854 | if(i_regs->regmap[hr]>=0) reglist|=1<<hr; |
| | 3855 | } |
| | 3856 | save_regs(reglist); |
| | 3857 | |
| | 3858 | if(opcode2[i]==0x14&&(source[i]&0x3f)==0x20) { |
| | 3859 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3860 | emit_readword((int)®_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3861 | emit_call((int)cvt_s_w); |
| | 3862 | } |
| | 3863 | if(opcode2[i]==0x14&&(source[i]&0x3f)==0x21) { |
| | 3864 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3865 | emit_readword((int)®_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3866 | emit_call((int)cvt_d_w); |
| | 3867 | } |
| | 3868 | if(opcode2[i]==0x15&&(source[i]&0x3f)==0x20) { |
| | 3869 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3870 | emit_readword((int)®_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3871 | emit_call((int)cvt_s_l); |
| | 3872 | } |
| | 3873 | if(opcode2[i]==0x15&&(source[i]&0x3f)==0x21) { |
| | 3874 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3875 | emit_readword((int)®_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3876 | emit_call((int)cvt_d_l); |
| | 3877 | } |
| | 3878 | |
| | 3879 | if(opcode2[i]==0x10&&(source[i]&0x3f)==0x21) { |
| | 3880 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3881 | emit_readword((int)®_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3882 | emit_call((int)cvt_d_s); |
| | 3883 | } |
| | 3884 | if(opcode2[i]==0x10&&(source[i]&0x3f)==0x24) { |
| | 3885 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3886 | emit_readword((int)®_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3887 | emit_call((int)cvt_w_s); |
| | 3888 | } |
| | 3889 | if(opcode2[i]==0x10&&(source[i]&0x3f)==0x25) { |
| | 3890 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3891 | emit_readword((int)®_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3892 | emit_call((int)cvt_l_s); |
| | 3893 | } |
| | 3894 | |
| | 3895 | if(opcode2[i]==0x11&&(source[i]&0x3f)==0x20) { |
| | 3896 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3897 | emit_readword((int)®_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3898 | emit_call((int)cvt_s_d); |
| | 3899 | } |
| | 3900 | if(opcode2[i]==0x11&&(source[i]&0x3f)==0x24) { |
| | 3901 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3902 | emit_readword((int)®_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3903 | emit_call((int)cvt_w_d); |
| | 3904 | } |
| | 3905 | if(opcode2[i]==0x11&&(source[i]&0x3f)==0x25) { |
| | 3906 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3907 | emit_readword((int)®_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3908 | emit_call((int)cvt_l_d); |
| | 3909 | } |
| | 3910 | |
| | 3911 | if(opcode2[i]==0x10&&(source[i]&0x3f)==0x08) { |
| | 3912 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3913 | emit_readword((int)®_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3914 | emit_call((int)round_l_s); |
| | 3915 | } |
| | 3916 | if(opcode2[i]==0x10&&(source[i]&0x3f)==0x09) { |
| | 3917 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3918 | emit_readword((int)®_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3919 | emit_call((int)trunc_l_s); |
| | 3920 | } |
| | 3921 | if(opcode2[i]==0x10&&(source[i]&0x3f)==0x0a) { |
| | 3922 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3923 | emit_readword((int)®_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3924 | emit_call((int)ceil_l_s); |
| | 3925 | } |
| | 3926 | if(opcode2[i]==0x10&&(source[i]&0x3f)==0x0b) { |
| | 3927 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3928 | emit_readword((int)®_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3929 | emit_call((int)floor_l_s); |
| | 3930 | } |
| | 3931 | if(opcode2[i]==0x10&&(source[i]&0x3f)==0x0c) { |
| | 3932 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3933 | emit_readword((int)®_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3934 | emit_call((int)round_w_s); |
| | 3935 | } |
| | 3936 | if(opcode2[i]==0x10&&(source[i]&0x3f)==0x0d) { |
| | 3937 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3938 | emit_readword((int)®_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3939 | emit_call((int)trunc_w_s); |
| | 3940 | } |
| | 3941 | if(opcode2[i]==0x10&&(source[i]&0x3f)==0x0e) { |
| | 3942 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3943 | emit_readword((int)®_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3944 | emit_call((int)ceil_w_s); |
| | 3945 | } |
| | 3946 | if(opcode2[i]==0x10&&(source[i]&0x3f)==0x0f) { |
| | 3947 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3948 | emit_readword((int)®_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3949 | emit_call((int)floor_w_s); |
| | 3950 | } |
| | 3951 | |
| | 3952 | if(opcode2[i]==0x11&&(source[i]&0x3f)==0x08) { |
| | 3953 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3954 | emit_readword((int)®_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3955 | emit_call((int)round_l_d); |
| | 3956 | } |
| | 3957 | if(opcode2[i]==0x11&&(source[i]&0x3f)==0x09) { |
| | 3958 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3959 | emit_readword((int)®_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3960 | emit_call((int)trunc_l_d); |
| | 3961 | } |
| | 3962 | if(opcode2[i]==0x11&&(source[i]&0x3f)==0x0a) { |
| | 3963 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3964 | emit_readword((int)®_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3965 | emit_call((int)ceil_l_d); |
| | 3966 | } |
| | 3967 | if(opcode2[i]==0x11&&(source[i]&0x3f)==0x0b) { |
| | 3968 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3969 | emit_readword((int)®_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3970 | emit_call((int)floor_l_d); |
| | 3971 | } |
| | 3972 | if(opcode2[i]==0x11&&(source[i]&0x3f)==0x0c) { |
| | 3973 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3974 | emit_readword((int)®_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3975 | emit_call((int)round_w_d); |
| | 3976 | } |
| | 3977 | if(opcode2[i]==0x11&&(source[i]&0x3f)==0x0d) { |
| | 3978 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3979 | emit_readword((int)®_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3980 | emit_call((int)trunc_w_d); |
| | 3981 | } |
| | 3982 | if(opcode2[i]==0x11&&(source[i]&0x3f)==0x0e) { |
| | 3983 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3984 | emit_readword((int)®_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3985 | emit_call((int)ceil_w_d); |
| | 3986 | } |
| | 3987 | if(opcode2[i]==0x11&&(source[i]&0x3f)==0x0f) { |
| | 3988 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],ARG1_REG); |
| | 3989 | emit_readword((int)®_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 3990 | emit_call((int)floor_w_d); |
| | 3991 | } |
| | 3992 | |
| | 3993 | restore_regs(reglist); |
| | 3994 | #else |
| | 3995 | cop1_unusable(i, i_regs); |
| | 3996 | #endif |
| | 3997 | } |
| | 3998 | #define fconv_assemble fconv_assemble_arm |
| | 3999 | |
| | 4000 | void fcomp_assemble(int i,struct regstat *i_regs) |
| | 4001 | { |
| | 4002 | #ifndef DISABLE_COP1 |
| | 4003 | signed char fs=get_reg(i_regs->regmap,FSREG); |
| | 4004 | signed char temp=get_reg(i_regs->regmap,-1); |
| | 4005 | assert(temp>=0); |
| | 4006 | // Check cop1 unusable |
| | 4007 | if(!cop1_usable) { |
| | 4008 | signed char cs=get_reg(i_regs->regmap,CSREG); |
| | 4009 | assert(cs>=0); |
| | 4010 | emit_testimm(cs,0x20000000); |
| | 4011 | int jaddr=(int)out; |
| | 4012 | emit_jeq(0); |
| | 4013 | add_stub(FP_STUB,jaddr,(int)out,i,cs,(int)i_regs,is_delayslot,0); |
| | 4014 | cop1_usable=1; |
| | 4015 | } |
| | 4016 | |
| | 4017 | if((source[i]&0x3f)==0x30) { |
| | 4018 | emit_andimm(fs,~0x800000,fs); |
| | 4019 | return; |
| | 4020 | } |
| | 4021 | |
| | 4022 | if((source[i]&0x3e)==0x38) { |
| | 4023 | // sf/ngle - these should throw exceptions for NaNs |
| | 4024 | emit_andimm(fs,~0x800000,fs); |
| | 4025 | return; |
| | 4026 | } |
| | 4027 | |
| | 4028 | #if(defined(__VFP_FP__) && !defined(__SOFTFP__)) |
| | 4029 | if(opcode2[i]==0x10) { |
| | 4030 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],temp); |
| | 4031 | emit_readword((int)®_cop1_simple[(source[i]>>16)&0x1f],HOST_TEMPREG); |
| | 4032 | emit_orimm(fs,0x800000,fs); |
| | 4033 | emit_flds(temp,14); |
| | 4034 | emit_flds(HOST_TEMPREG,15); |
| | 4035 | emit_fcmps(14,15); |
| | 4036 | emit_fmstat(); |
| | 4037 | if((source[i]&0x3f)==0x31) emit_bicvc_imm(fs,0x800000,fs); // c_un_s |
| | 4038 | if((source[i]&0x3f)==0x32) emit_bicne_imm(fs,0x800000,fs); // c_eq_s |
| | 4039 | if((source[i]&0x3f)==0x33) {emit_bicne_imm(fs,0x800000,fs);emit_orrvs_imm(fs,0x800000,fs);} // c_ueq_s |
| | 4040 | if((source[i]&0x3f)==0x34) emit_biccs_imm(fs,0x800000,fs); // c_olt_s |
| | 4041 | if((source[i]&0x3f)==0x35) {emit_biccs_imm(fs,0x800000,fs);emit_orrvs_imm(fs,0x800000,fs);} // c_ult_s |
| | 4042 | if((source[i]&0x3f)==0x36) emit_bichi_imm(fs,0x800000,fs); // c_ole_s |
| | 4043 | if((source[i]&0x3f)==0x37) {emit_bichi_imm(fs,0x800000,fs);emit_orrvs_imm(fs,0x800000,fs);} // c_ule_s |
| | 4044 | if((source[i]&0x3f)==0x3a) emit_bicne_imm(fs,0x800000,fs); // c_seq_s |
| | 4045 | if((source[i]&0x3f)==0x3b) emit_bicne_imm(fs,0x800000,fs); // c_ngl_s |
| | 4046 | if((source[i]&0x3f)==0x3c) emit_biccs_imm(fs,0x800000,fs); // c_lt_s |
| | 4047 | if((source[i]&0x3f)==0x3d) emit_biccs_imm(fs,0x800000,fs); // c_nge_s |
| | 4048 | if((source[i]&0x3f)==0x3e) emit_bichi_imm(fs,0x800000,fs); // c_le_s |
| | 4049 | if((source[i]&0x3f)==0x3f) emit_bichi_imm(fs,0x800000,fs); // c_ngt_s |
| | 4050 | return; |
| | 4051 | } |
| | 4052 | if(opcode2[i]==0x11) { |
| | 4053 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],temp); |
| | 4054 | emit_readword((int)®_cop1_double[(source[i]>>16)&0x1f],HOST_TEMPREG); |
| | 4055 | emit_orimm(fs,0x800000,fs); |
| | 4056 | emit_vldr(temp,6); |
| | 4057 | emit_vldr(HOST_TEMPREG,7); |
| | 4058 | emit_fcmpd(6,7); |
| | 4059 | emit_fmstat(); |
| | 4060 | if((source[i]&0x3f)==0x31) emit_bicvc_imm(fs,0x800000,fs); // c_un_d |
| | 4061 | if((source[i]&0x3f)==0x32) emit_bicne_imm(fs,0x800000,fs); // c_eq_d |
| | 4062 | if((source[i]&0x3f)==0x33) {emit_bicne_imm(fs,0x800000,fs);emit_orrvs_imm(fs,0x800000,fs);} // c_ueq_d |
| | 4063 | if((source[i]&0x3f)==0x34) emit_biccs_imm(fs,0x800000,fs); // c_olt_d |
| | 4064 | if((source[i]&0x3f)==0x35) {emit_biccs_imm(fs,0x800000,fs);emit_orrvs_imm(fs,0x800000,fs);} // c_ult_d |
| | 4065 | if((source[i]&0x3f)==0x36) emit_bichi_imm(fs,0x800000,fs); // c_ole_d |
| | 4066 | if((source[i]&0x3f)==0x37) {emit_bichi_imm(fs,0x800000,fs);emit_orrvs_imm(fs,0x800000,fs);} // c_ule_d |
| | 4067 | if((source[i]&0x3f)==0x3a) emit_bicne_imm(fs,0x800000,fs); // c_seq_d |
| | 4068 | if((source[i]&0x3f)==0x3b) emit_bicne_imm(fs,0x800000,fs); // c_ngl_d |
| | 4069 | if((source[i]&0x3f)==0x3c) emit_biccs_imm(fs,0x800000,fs); // c_lt_d |
| | 4070 | if((source[i]&0x3f)==0x3d) emit_biccs_imm(fs,0x800000,fs); // c_nge_d |
| | 4071 | if((source[i]&0x3f)==0x3e) emit_bichi_imm(fs,0x800000,fs); // c_le_d |
| | 4072 | if((source[i]&0x3f)==0x3f) emit_bichi_imm(fs,0x800000,fs); // c_ngt_d |
| | 4073 | return; |
| | 4074 | } |
| | 4075 | #endif |
| | 4076 | |
| | 4077 | // C only |
| | 4078 | |
| | 4079 | u_int hr,reglist=0; |
| | 4080 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 4081 | if(i_regs->regmap[hr]>=0) reglist|=1<<hr; |
| | 4082 | } |
| | 4083 | reglist&=~(1<<fs); |
| | 4084 | save_regs(reglist); |
| | 4085 | if(opcode2[i]==0x10) { |
| | 4086 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG); |
| | 4087 | emit_readword((int)®_cop1_simple[(source[i]>>16)&0x1f],ARG2_REG); |
| | 4088 | if((source[i]&0x3f)==0x30) emit_call((int)c_f_s); |
| | 4089 | if((source[i]&0x3f)==0x31) emit_call((int)c_un_s); |
| | 4090 | if((source[i]&0x3f)==0x32) emit_call((int)c_eq_s); |
| | 4091 | if((source[i]&0x3f)==0x33) emit_call((int)c_ueq_s); |
| | 4092 | if((source[i]&0x3f)==0x34) emit_call((int)c_olt_s); |
| | 4093 | if((source[i]&0x3f)==0x35) emit_call((int)c_ult_s); |
| | 4094 | if((source[i]&0x3f)==0x36) emit_call((int)c_ole_s); |
| | 4095 | if((source[i]&0x3f)==0x37) emit_call((int)c_ule_s); |
| | 4096 | if((source[i]&0x3f)==0x38) emit_call((int)c_sf_s); |
| | 4097 | if((source[i]&0x3f)==0x39) emit_call((int)c_ngle_s); |
| | 4098 | if((source[i]&0x3f)==0x3a) emit_call((int)c_seq_s); |
| | 4099 | if((source[i]&0x3f)==0x3b) emit_call((int)c_ngl_s); |
| | 4100 | if((source[i]&0x3f)==0x3c) emit_call((int)c_lt_s); |
| | 4101 | if((source[i]&0x3f)==0x3d) emit_call((int)c_nge_s); |
| | 4102 | if((source[i]&0x3f)==0x3e) emit_call((int)c_le_s); |
| | 4103 | if((source[i]&0x3f)==0x3f) emit_call((int)c_ngt_s); |
| | 4104 | } |
| | 4105 | if(opcode2[i]==0x11) { |
| | 4106 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],ARG1_REG); |
| | 4107 | emit_readword((int)®_cop1_double[(source[i]>>16)&0x1f],ARG2_REG); |
| | 4108 | if((source[i]&0x3f)==0x30) emit_call((int)c_f_d); |
| | 4109 | if((source[i]&0x3f)==0x31) emit_call((int)c_un_d); |
| | 4110 | if((source[i]&0x3f)==0x32) emit_call((int)c_eq_d); |
| | 4111 | if((source[i]&0x3f)==0x33) emit_call((int)c_ueq_d); |
| | 4112 | if((source[i]&0x3f)==0x34) emit_call((int)c_olt_d); |
| | 4113 | if((source[i]&0x3f)==0x35) emit_call((int)c_ult_d); |
| | 4114 | if((source[i]&0x3f)==0x36) emit_call((int)c_ole_d); |
| | 4115 | if((source[i]&0x3f)==0x37) emit_call((int)c_ule_d); |
| | 4116 | if((source[i]&0x3f)==0x38) emit_call((int)c_sf_d); |
| | 4117 | if((source[i]&0x3f)==0x39) emit_call((int)c_ngle_d); |
| | 4118 | if((source[i]&0x3f)==0x3a) emit_call((int)c_seq_d); |
| | 4119 | if((source[i]&0x3f)==0x3b) emit_call((int)c_ngl_d); |
| | 4120 | if((source[i]&0x3f)==0x3c) emit_call((int)c_lt_d); |
| | 4121 | if((source[i]&0x3f)==0x3d) emit_call((int)c_nge_d); |
| | 4122 | if((source[i]&0x3f)==0x3e) emit_call((int)c_le_d); |
| | 4123 | if((source[i]&0x3f)==0x3f) emit_call((int)c_ngt_d); |
| | 4124 | } |
| | 4125 | restore_regs(reglist); |
| | 4126 | emit_loadreg(FSREG,fs); |
| | 4127 | #else |
| | 4128 | cop1_unusable(i, i_regs); |
| | 4129 | #endif |
| | 4130 | } |
| | 4131 | |
| | 4132 | void float_assemble(int i,struct regstat *i_regs) |
| | 4133 | { |
| | 4134 | #ifndef DISABLE_COP1 |
| | 4135 | signed char temp=get_reg(i_regs->regmap,-1); |
| | 4136 | assert(temp>=0); |
| | 4137 | // Check cop1 unusable |
| | 4138 | if(!cop1_usable) { |
| | 4139 | signed char cs=get_reg(i_regs->regmap,CSREG); |
| | 4140 | assert(cs>=0); |
| | 4141 | emit_testimm(cs,0x20000000); |
| | 4142 | int jaddr=(int)out; |
| | 4143 | emit_jeq(0); |
| | 4144 | add_stub(FP_STUB,jaddr,(int)out,i,cs,(int)i_regs,is_delayslot,0); |
| | 4145 | cop1_usable=1; |
| | 4146 | } |
| | 4147 | |
| | 4148 | #if(defined(__VFP_FP__) && !defined(__SOFTFP__)) |
| | 4149 | if((source[i]&0x3f)==6) // mov |
| | 4150 | { |
| | 4151 | if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f)) { |
| | 4152 | if(opcode2[i]==0x10) { |
| | 4153 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],temp); |
| | 4154 | emit_readword((int)®_cop1_simple[(source[i]>>6)&0x1f],HOST_TEMPREG); |
| | 4155 | emit_readword_indexed(0,temp,temp); |
| | 4156 | emit_writeword_indexed(temp,0,HOST_TEMPREG); |
| | 4157 | } |
| | 4158 | if(opcode2[i]==0x11) { |
| | 4159 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],temp); |
| | 4160 | emit_readword((int)®_cop1_double[(source[i]>>6)&0x1f],HOST_TEMPREG); |
| | 4161 | emit_vldr(temp,7); |
| | 4162 | emit_vstr(7,HOST_TEMPREG); |
| | 4163 | } |
| | 4164 | } |
| | 4165 | return; |
| | 4166 | } |
| | 4167 | |
| | 4168 | if((source[i]&0x3f)>3) |
| | 4169 | { |
| | 4170 | if(opcode2[i]==0x10) { |
| | 4171 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],temp); |
| | 4172 | emit_flds(temp,15); |
| | 4173 | if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f)) { |
| | 4174 | emit_readword((int)®_cop1_simple[(source[i]>>6)&0x1f],temp); |
| | 4175 | } |
| | 4176 | if((source[i]&0x3f)==4) // sqrt |
| | 4177 | emit_fsqrts(15,15); |
| | 4178 | if((source[i]&0x3f)==5) // abs |
| | 4179 | emit_fabss(15,15); |
| | 4180 | if((source[i]&0x3f)==7) // neg |
| | 4181 | emit_fnegs(15,15); |
| | 4182 | emit_fsts(15,temp); |
| | 4183 | } |
| | 4184 | if(opcode2[i]==0x11) { |
| | 4185 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],temp); |
| | 4186 | emit_vldr(temp,7); |
| | 4187 | if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f)) { |
| | 4188 | emit_readword((int)®_cop1_double[(source[i]>>6)&0x1f],temp); |
| | 4189 | } |
| | 4190 | if((source[i]&0x3f)==4) // sqrt |
| | 4191 | emit_fsqrtd(7,7); |
| | 4192 | if((source[i]&0x3f)==5) // abs |
| | 4193 | emit_fabsd(7,7); |
| | 4194 | if((source[i]&0x3f)==7) // neg |
| | 4195 | emit_fnegd(7,7); |
| | 4196 | emit_vstr(7,temp); |
| | 4197 | } |
| | 4198 | return; |
| | 4199 | } |
| | 4200 | if((source[i]&0x3f)<4) |
| | 4201 | { |
| | 4202 | if(opcode2[i]==0x10) { |
| | 4203 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],temp); |
| | 4204 | } |
| | 4205 | if(opcode2[i]==0x11) { |
| | 4206 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],temp); |
| | 4207 | } |
| | 4208 | if(((source[i]>>11)&0x1f)!=((source[i]>>16)&0x1f)) { |
| | 4209 | if(opcode2[i]==0x10) { |
| | 4210 | emit_readword((int)®_cop1_simple[(source[i]>>16)&0x1f],HOST_TEMPREG); |
| | 4211 | emit_flds(temp,15); |
| | 4212 | emit_flds(HOST_TEMPREG,13); |
| | 4213 | if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f)) { |
| | 4214 | if(((source[i]>>16)&0x1f)!=((source[i]>>6)&0x1f)) { |
| | 4215 | emit_readword((int)®_cop1_simple[(source[i]>>6)&0x1f],temp); |
| | 4216 | } |
| | 4217 | } |
| | 4218 | if((source[i]&0x3f)==0) emit_fadds(15,13,15); |
| | 4219 | if((source[i]&0x3f)==1) emit_fsubs(15,13,15); |
| | 4220 | if((source[i]&0x3f)==2) emit_fmuls(15,13,15); |
| | 4221 | if((source[i]&0x3f)==3) emit_fdivs(15,13,15); |
| | 4222 | if(((source[i]>>16)&0x1f)==((source[i]>>6)&0x1f)) { |
| | 4223 | emit_fsts(15,HOST_TEMPREG); |
| | 4224 | }else{ |
| | 4225 | emit_fsts(15,temp); |
| | 4226 | } |
| | 4227 | } |
| | 4228 | else if(opcode2[i]==0x11) { |
| | 4229 | emit_readword((int)®_cop1_double[(source[i]>>16)&0x1f],HOST_TEMPREG); |
| | 4230 | emit_vldr(temp,7); |
| | 4231 | emit_vldr(HOST_TEMPREG,6); |
| | 4232 | if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f)) { |
| | 4233 | if(((source[i]>>16)&0x1f)!=((source[i]>>6)&0x1f)) { |
| | 4234 | emit_readword((int)®_cop1_double[(source[i]>>6)&0x1f],temp); |
| | 4235 | } |
| | 4236 | } |
| | 4237 | if((source[i]&0x3f)==0) emit_faddd(7,6,7); |
| | 4238 | if((source[i]&0x3f)==1) emit_fsubd(7,6,7); |
| | 4239 | if((source[i]&0x3f)==2) emit_fmuld(7,6,7); |
| | 4240 | if((source[i]&0x3f)==3) emit_fdivd(7,6,7); |
| | 4241 | if(((source[i]>>16)&0x1f)==((source[i]>>6)&0x1f)) { |
| | 4242 | emit_vstr(7,HOST_TEMPREG); |
| | 4243 | }else{ |
| | 4244 | emit_vstr(7,temp); |
| | 4245 | } |
| | 4246 | } |
| | 4247 | } |
| | 4248 | else { |
| | 4249 | if(opcode2[i]==0x10) { |
| | 4250 | emit_flds(temp,15); |
| | 4251 | if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f)) { |
| | 4252 | emit_readword((int)®_cop1_simple[(source[i]>>6)&0x1f],temp); |
| | 4253 | } |
| | 4254 | if((source[i]&0x3f)==0) emit_fadds(15,15,15); |
| | 4255 | if((source[i]&0x3f)==1) emit_fsubs(15,15,15); |
| | 4256 | if((source[i]&0x3f)==2) emit_fmuls(15,15,15); |
| | 4257 | if((source[i]&0x3f)==3) emit_fdivs(15,15,15); |
| | 4258 | emit_fsts(15,temp); |
| | 4259 | } |
| | 4260 | else if(opcode2[i]==0x11) { |
| | 4261 | emit_vldr(temp,7); |
| | 4262 | if(((source[i]>>11)&0x1f)!=((source[i]>>6)&0x1f)) { |
| | 4263 | emit_readword((int)®_cop1_double[(source[i]>>6)&0x1f],temp); |
| | 4264 | } |
| | 4265 | if((source[i]&0x3f)==0) emit_faddd(7,7,7); |
| | 4266 | if((source[i]&0x3f)==1) emit_fsubd(7,7,7); |
| | 4267 | if((source[i]&0x3f)==2) emit_fmuld(7,7,7); |
| | 4268 | if((source[i]&0x3f)==3) emit_fdivd(7,7,7); |
| | 4269 | emit_vstr(7,temp); |
| | 4270 | } |
| | 4271 | } |
| | 4272 | return; |
| | 4273 | } |
| | 4274 | #endif |
| | 4275 | |
| | 4276 | u_int hr,reglist=0; |
| | 4277 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 4278 | if(i_regs->regmap[hr]>=0) reglist|=1<<hr; |
| | 4279 | } |
| | 4280 | if(opcode2[i]==0x10) { // Single precision |
| | 4281 | save_regs(reglist); |
| | 4282 | emit_readword((int)®_cop1_simple[(source[i]>>11)&0x1f],ARG1_REG); |
| | 4283 | if((source[i]&0x3f)<4) { |
| | 4284 | emit_readword((int)®_cop1_simple[(source[i]>>16)&0x1f],ARG2_REG); |
| | 4285 | emit_readword((int)®_cop1_simple[(source[i]>> 6)&0x1f],ARG3_REG); |
| | 4286 | }else{ |
| | 4287 | emit_readword((int)®_cop1_simple[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 4288 | } |
| | 4289 | switch(source[i]&0x3f) |
| | 4290 | { |
| | 4291 | case 0x00: emit_call((int)add_s);break; |
| | 4292 | case 0x01: emit_call((int)sub_s);break; |
| | 4293 | case 0x02: emit_call((int)mul_s);break; |
| | 4294 | case 0x03: emit_call((int)div_s);break; |
| | 4295 | case 0x04: emit_call((int)sqrt_s);break; |
| | 4296 | case 0x05: emit_call((int)abs_s);break; |
| | 4297 | case 0x06: emit_call((int)mov_s);break; |
| | 4298 | case 0x07: emit_call((int)neg_s);break; |
| | 4299 | } |
| | 4300 | restore_regs(reglist); |
| | 4301 | } |
| | 4302 | if(opcode2[i]==0x11) { // Double precision |
| | 4303 | save_regs(reglist); |
| | 4304 | emit_readword((int)®_cop1_double[(source[i]>>11)&0x1f],ARG1_REG); |
| | 4305 | if((source[i]&0x3f)<4) { |
| | 4306 | emit_readword((int)®_cop1_double[(source[i]>>16)&0x1f],ARG2_REG); |
| | 4307 | emit_readword((int)®_cop1_double[(source[i]>> 6)&0x1f],ARG3_REG); |
| | 4308 | }else{ |
| | 4309 | emit_readword((int)®_cop1_double[(source[i]>> 6)&0x1f],ARG2_REG); |
| | 4310 | } |
| | 4311 | switch(source[i]&0x3f) |
| | 4312 | { |
| | 4313 | case 0x00: emit_call((int)add_d);break; |
| | 4314 | case 0x01: emit_call((int)sub_d);break; |
| | 4315 | case 0x02: emit_call((int)mul_d);break; |
| | 4316 | case 0x03: emit_call((int)div_d);break; |
| | 4317 | case 0x04: emit_call((int)sqrt_d);break; |
| | 4318 | case 0x05: emit_call((int)abs_d);break; |
| | 4319 | case 0x06: emit_call((int)mov_d);break; |
| | 4320 | case 0x07: emit_call((int)neg_d);break; |
| | 4321 | } |
| | 4322 | restore_regs(reglist); |
| | 4323 | } |
| | 4324 | #else |
| | 4325 | cop1_unusable(i, i_regs); |
| | 4326 | #endif |
| | 4327 | } |
| | 4328 | |
| | 4329 | void multdiv_assemble_arm(int i,struct regstat *i_regs) |
| | 4330 | { |
| | 4331 | // case 0x18: MULT |
| | 4332 | // case 0x19: MULTU |
| | 4333 | // case 0x1A: DIV |
| | 4334 | // case 0x1B: DIVU |
| | 4335 | // case 0x1C: DMULT |
| | 4336 | // case 0x1D: DMULTU |
| | 4337 | // case 0x1E: DDIV |
| | 4338 | // case 0x1F: DDIVU |
| | 4339 | if(rs1[i]&&rs2[i]) |
| | 4340 | { |
| | 4341 | if((opcode2[i]&4)==0) // 32-bit |
| | 4342 | { |
| | 4343 | if(opcode2[i]==0x18) // MULT |
| | 4344 | { |
| | 4345 | signed char m1=get_reg(i_regs->regmap,rs1[i]); |
| | 4346 | signed char m2=get_reg(i_regs->regmap,rs2[i]); |
| | 4347 | signed char hi=get_reg(i_regs->regmap,HIREG); |
| | 4348 | signed char lo=get_reg(i_regs->regmap,LOREG); |
| | 4349 | assert(m1>=0); |
| | 4350 | assert(m2>=0); |
| | 4351 | assert(hi>=0); |
| | 4352 | assert(lo>=0); |
| | 4353 | emit_smull(m1,m2,hi,lo); |
| | 4354 | } |
| | 4355 | if(opcode2[i]==0x19) // MULTU |
| | 4356 | { |
| | 4357 | signed char m1=get_reg(i_regs->regmap,rs1[i]); |
| | 4358 | signed char m2=get_reg(i_regs->regmap,rs2[i]); |
| | 4359 | signed char hi=get_reg(i_regs->regmap,HIREG); |
| | 4360 | signed char lo=get_reg(i_regs->regmap,LOREG); |
| | 4361 | assert(m1>=0); |
| | 4362 | assert(m2>=0); |
| | 4363 | assert(hi>=0); |
| | 4364 | assert(lo>=0); |
| | 4365 | emit_umull(m1,m2,hi,lo); |
| | 4366 | } |
| | 4367 | if(opcode2[i]==0x1A) // DIV |
| | 4368 | { |
| | 4369 | signed char d1=get_reg(i_regs->regmap,rs1[i]); |
| | 4370 | signed char d2=get_reg(i_regs->regmap,rs2[i]); |
| | 4371 | assert(d1>=0); |
| | 4372 | assert(d2>=0); |
| | 4373 | signed char quotient=get_reg(i_regs->regmap,LOREG); |
| | 4374 | signed char remainder=get_reg(i_regs->regmap,HIREG); |
| | 4375 | assert(quotient>=0); |
| | 4376 | assert(remainder>=0); |
| | 4377 | emit_movs(d1,remainder); |
| | 4378 | emit_negmi(remainder,remainder); |
| | 4379 | emit_movs(d2,HOST_TEMPREG); |
| | 4380 | emit_jeq((int)out+52); // Division by zero |
| | 4381 | emit_negmi(HOST_TEMPREG,HOST_TEMPREG); |
| | 4382 | emit_clz(HOST_TEMPREG,quotient); |
| | 4383 | emit_shl(HOST_TEMPREG,quotient,HOST_TEMPREG); |
| | 4384 | emit_orimm(quotient,1<<31,quotient); |
| | 4385 | emit_shr(quotient,quotient,quotient); |
| | 4386 | emit_cmp(remainder,HOST_TEMPREG); |
| | 4387 | emit_subcs(remainder,HOST_TEMPREG,remainder); |
| | 4388 | emit_adcs(quotient,quotient,quotient); |
| | 4389 | emit_shrimm(HOST_TEMPREG,1,HOST_TEMPREG); |
| | 4390 | emit_jcc((int)out-16); // -4 |
| | 4391 | emit_teq(d1,d2); |
| | 4392 | emit_negmi(quotient,quotient); |
| | 4393 | emit_test(d1,d1); |
| | 4394 | emit_negmi(remainder,remainder); |
| | 4395 | } |
| | 4396 | if(opcode2[i]==0x1B) // DIVU |
| | 4397 | { |
| | 4398 | signed char d1=get_reg(i_regs->regmap,rs1[i]); // dividend |
| | 4399 | signed char d2=get_reg(i_regs->regmap,rs2[i]); // divisor |
| | 4400 | assert(d1>=0); |
| | 4401 | assert(d2>=0); |
| | 4402 | signed char quotient=get_reg(i_regs->regmap,LOREG); |
| | 4403 | signed char remainder=get_reg(i_regs->regmap,HIREG); |
| | 4404 | assert(quotient>=0); |
| | 4405 | assert(remainder>=0); |
| | 4406 | emit_test(d2,d2); |
| | 4407 | emit_jeq((int)out+44); // Division by zero |
| | 4408 | emit_clz(d2,HOST_TEMPREG); |
| | 4409 | emit_movimm(1<<31,quotient); |
| | 4410 | emit_shl(d2,HOST_TEMPREG,d2); |
| | 4411 | emit_mov(d1,remainder); |
| | 4412 | emit_shr(quotient,HOST_TEMPREG,quotient); |
| | 4413 | emit_cmp(remainder,d2); |
| | 4414 | emit_subcs(remainder,d2,remainder); |
| | 4415 | emit_adcs(quotient,quotient,quotient); |
| | 4416 | emit_shrcc_imm(d2,1,d2); |
| | 4417 | emit_jcc((int)out-16); // -4 |
| | 4418 | } |
| | 4419 | } |
| | 4420 | else // 64-bit |
| | 4421 | { |
| | 4422 | if(opcode2[i]==0x1C) // DMULT |
| | 4423 | { |
| | 4424 | assert(opcode2[i]!=0x1C); |
| | 4425 | signed char m1h=get_reg(i_regs->regmap,rs1[i]|64); |
| | 4426 | signed char m1l=get_reg(i_regs->regmap,rs1[i]); |
| | 4427 | signed char m2h=get_reg(i_regs->regmap,rs2[i]|64); |
| | 4428 | signed char m2l=get_reg(i_regs->regmap,rs2[i]); |
| | 4429 | assert(m1h>=0); |
| | 4430 | assert(m2h>=0); |
| | 4431 | assert(m1l>=0); |
| | 4432 | assert(m2l>=0); |
| | 4433 | emit_pushreg(m2h); |
| | 4434 | emit_pushreg(m2l); |
| | 4435 | emit_pushreg(m1h); |
| | 4436 | emit_pushreg(m1l); |
| | 4437 | emit_call((int)&mult64); |
| | 4438 | emit_popreg(m1l); |
| | 4439 | emit_popreg(m1h); |
| | 4440 | emit_popreg(m2l); |
| | 4441 | emit_popreg(m2h); |
| | 4442 | signed char hih=get_reg(i_regs->regmap,HIREG|64); |
| | 4443 | signed char hil=get_reg(i_regs->regmap,HIREG); |
| | 4444 | if(hih>=0) emit_loadreg(HIREG|64,hih); |
| | 4445 | if(hil>=0) emit_loadreg(HIREG,hil); |
| | 4446 | signed char loh=get_reg(i_regs->regmap,LOREG|64); |
| | 4447 | signed char lol=get_reg(i_regs->regmap,LOREG); |
| | 4448 | if(loh>=0) emit_loadreg(LOREG|64,loh); |
| | 4449 | if(lol>=0) emit_loadreg(LOREG,lol); |
| | 4450 | } |
| | 4451 | if(opcode2[i]==0x1D) // DMULTU |
| | 4452 | { |
| | 4453 | signed char m1h=get_reg(i_regs->regmap,rs1[i]|64); |
| | 4454 | signed char m1l=get_reg(i_regs->regmap,rs1[i]); |
| | 4455 | signed char m2h=get_reg(i_regs->regmap,rs2[i]|64); |
| | 4456 | signed char m2l=get_reg(i_regs->regmap,rs2[i]); |
| | 4457 | assert(m1h>=0); |
| | 4458 | assert(m2h>=0); |
| | 4459 | assert(m1l>=0); |
| | 4460 | assert(m2l>=0); |
| | 4461 | save_regs(0x100f); |
| | 4462 | if(m1l!=0) emit_mov(m1l,0); |
| | 4463 | if(m1h==0) emit_readword((int)&dynarec_local,1); |
| | 4464 | else if(m1h>1) emit_mov(m1h,1); |
| | 4465 | if(m2l<2) emit_readword((int)&dynarec_local+m2l*4,2); |
| | 4466 | else if(m2l>2) emit_mov(m2l,2); |
| | 4467 | if(m2h<3) emit_readword((int)&dynarec_local+m2h*4,3); |
| | 4468 | else if(m2h>3) emit_mov(m2h,3); |
| | 4469 | emit_call((int)&multu64); |
| | 4470 | restore_regs(0x100f); |
| | 4471 | signed char hih=get_reg(i_regs->regmap,HIREG|64); |
| | 4472 | signed char hil=get_reg(i_regs->regmap,HIREG); |
| | 4473 | signed char loh=get_reg(i_regs->regmap,LOREG|64); |
| | 4474 | signed char lol=get_reg(i_regs->regmap,LOREG); |
| | 4475 | /*signed char temp=get_reg(i_regs->regmap,-1); |
| | 4476 | signed char rh=get_reg(i_regs->regmap,HIREG|64); |
| | 4477 | signed char rl=get_reg(i_regs->regmap,HIREG); |
| | 4478 | assert(m1h>=0); |
| | 4479 | assert(m2h>=0); |
| | 4480 | assert(m1l>=0); |
| | 4481 | assert(m2l>=0); |
| | 4482 | assert(temp>=0); |
| | 4483 | //emit_mov(m1l,EAX); |
| | 4484 | //emit_mul(m2l); |
| | 4485 | emit_umull(rl,rh,m1l,m2l); |
| | 4486 | emit_storereg(LOREG,rl); |
| | 4487 | emit_mov(rh,temp); |
| | 4488 | //emit_mov(m1h,EAX); |
| | 4489 | //emit_mul(m2l); |
| | 4490 | emit_umull(rl,rh,m1h,m2l); |
| | 4491 | emit_adds(rl,temp,temp); |
| | 4492 | emit_adcimm(rh,0,rh); |
| | 4493 | emit_storereg(HIREG,rh); |
| | 4494 | //emit_mov(m2h,EAX); |
| | 4495 | //emit_mul(m1l); |
| | 4496 | emit_umull(rl,rh,m1l,m2h); |
| | 4497 | emit_adds(rl,temp,temp); |
| | 4498 | emit_adcimm(rh,0,rh); |
| | 4499 | emit_storereg(LOREG|64,temp); |
| | 4500 | emit_mov(rh,temp); |
| | 4501 | //emit_mov(m2h,EAX); |
| | 4502 | //emit_mul(m1h); |
| | 4503 | emit_umull(rl,rh,m1h,m2h); |
| | 4504 | emit_adds(rl,temp,rl); |
| | 4505 | emit_loadreg(HIREG,temp); |
| | 4506 | emit_adcimm(rh,0,rh); |
| | 4507 | emit_adds(rl,temp,rl); |
| | 4508 | emit_adcimm(rh,0,rh); |
| | 4509 | // DEBUG |
| | 4510 | /* |
| | 4511 | emit_pushreg(m2h); |
| | 4512 | emit_pushreg(m2l); |
| | 4513 | emit_pushreg(m1h); |
| | 4514 | emit_pushreg(m1l); |
| | 4515 | emit_call((int)&multu64); |
| | 4516 | emit_popreg(m1l); |
| | 4517 | emit_popreg(m1h); |
| | 4518 | emit_popreg(m2l); |
| | 4519 | emit_popreg(m2h); |
| | 4520 | signed char hih=get_reg(i_regs->regmap,HIREG|64); |
| | 4521 | signed char hil=get_reg(i_regs->regmap,HIREG); |
| | 4522 | if(hih>=0) emit_loadreg(HIREG|64,hih); // DEBUG |
| | 4523 | if(hil>=0) emit_loadreg(HIREG,hil); // DEBUG |
| | 4524 | */ |
| | 4525 | // Shouldn't be necessary |
| | 4526 | //char loh=get_reg(i_regs->regmap,LOREG|64); |
| | 4527 | //char lol=get_reg(i_regs->regmap,LOREG); |
| | 4528 | //if(loh>=0) emit_loadreg(LOREG|64,loh); |
| | 4529 | //if(lol>=0) emit_loadreg(LOREG,lol); |
| | 4530 | } |
| | 4531 | if(opcode2[i]==0x1E) // DDIV |
| | 4532 | { |
| | 4533 | signed char d1h=get_reg(i_regs->regmap,rs1[i]|64); |
| | 4534 | signed char d1l=get_reg(i_regs->regmap,rs1[i]); |
| | 4535 | signed char d2h=get_reg(i_regs->regmap,rs2[i]|64); |
| | 4536 | signed char d2l=get_reg(i_regs->regmap,rs2[i]); |
| | 4537 | assert(d1h>=0); |
| | 4538 | assert(d2h>=0); |
| | 4539 | assert(d1l>=0); |
| | 4540 | assert(d2l>=0); |
| | 4541 | save_regs(0x100f); |
| | 4542 | if(d1l!=0) emit_mov(d1l,0); |
| | 4543 | if(d1h==0) emit_readword((int)&dynarec_local,1); |
| | 4544 | else if(d1h>1) emit_mov(d1h,1); |
| | 4545 | if(d2l<2) emit_readword((int)&dynarec_local+d2l*4,2); |
| | 4546 | else if(d2l>2) emit_mov(d2l,2); |
| | 4547 | if(d2h<3) emit_readword((int)&dynarec_local+d2h*4,3); |
| | 4548 | else if(d2h>3) emit_mov(d2h,3); |
| | 4549 | emit_call((int)&div64); |
| | 4550 | restore_regs(0x100f); |
| | 4551 | signed char hih=get_reg(i_regs->regmap,HIREG|64); |
| | 4552 | signed char hil=get_reg(i_regs->regmap,HIREG); |
| | 4553 | signed char loh=get_reg(i_regs->regmap,LOREG|64); |
| | 4554 | signed char lol=get_reg(i_regs->regmap,LOREG); |
| | 4555 | if(hih>=0) emit_loadreg(HIREG|64,hih); |
| | 4556 | if(hil>=0) emit_loadreg(HIREG,hil); |
| | 4557 | if(loh>=0) emit_loadreg(LOREG|64,loh); |
| | 4558 | if(lol>=0) emit_loadreg(LOREG,lol); |
| | 4559 | } |
| | 4560 | if(opcode2[i]==0x1F) // DDIVU |
| | 4561 | { |
| | 4562 | //u_int hr,reglist=0; |
| | 4563 | //for(hr=0;hr<HOST_REGS;hr++) { |
| | 4564 | // if(i_regs->regmap[hr]>=0 && (i_regs->regmap[hr]&62)!=HIREG) reglist|=1<<hr; |
| | 4565 | //} |
| | 4566 | signed char d1h=get_reg(i_regs->regmap,rs1[i]|64); |
| | 4567 | signed char d1l=get_reg(i_regs->regmap,rs1[i]); |
| | 4568 | signed char d2h=get_reg(i_regs->regmap,rs2[i]|64); |
| | 4569 | signed char d2l=get_reg(i_regs->regmap,rs2[i]); |
| | 4570 | assert(d1h>=0); |
| | 4571 | assert(d2h>=0); |
| | 4572 | assert(d1l>=0); |
| | 4573 | assert(d2l>=0); |
| | 4574 | save_regs(0x100f); |
| | 4575 | if(d1l!=0) emit_mov(d1l,0); |
| | 4576 | if(d1h==0) emit_readword((int)&dynarec_local,1); |
| | 4577 | else if(d1h>1) emit_mov(d1h,1); |
| | 4578 | if(d2l<2) emit_readword((int)&dynarec_local+d2l*4,2); |
| | 4579 | else if(d2l>2) emit_mov(d2l,2); |
| | 4580 | if(d2h<3) emit_readword((int)&dynarec_local+d2h*4,3); |
| | 4581 | else if(d2h>3) emit_mov(d2h,3); |
| | 4582 | emit_call((int)&divu64); |
| | 4583 | restore_regs(0x100f); |
| | 4584 | signed char hih=get_reg(i_regs->regmap,HIREG|64); |
| | 4585 | signed char hil=get_reg(i_regs->regmap,HIREG); |
| | 4586 | signed char loh=get_reg(i_regs->regmap,LOREG|64); |
| | 4587 | signed char lol=get_reg(i_regs->regmap,LOREG); |
| | 4588 | if(hih>=0) emit_loadreg(HIREG|64,hih); |
| | 4589 | if(hil>=0) emit_loadreg(HIREG,hil); |
| | 4590 | if(loh>=0) emit_loadreg(LOREG|64,loh); |
| | 4591 | if(lol>=0) emit_loadreg(LOREG,lol); |
| | 4592 | } |
| | 4593 | } |
| | 4594 | } |
| | 4595 | else |
| | 4596 | { |
| | 4597 | // Multiply by zero is zero. |
| | 4598 | // MIPS does not have a divide by zero exception. |
| | 4599 | // The result is undefined, we return zero. |
| | 4600 | signed char hr=get_reg(i_regs->regmap,HIREG); |
| | 4601 | signed char lr=get_reg(i_regs->regmap,LOREG); |
| | 4602 | if(hr>=0) emit_zeroreg(hr); |
| | 4603 | if(lr>=0) emit_zeroreg(lr); |
| | 4604 | } |
| | 4605 | } |
| | 4606 | #define multdiv_assemble multdiv_assemble_arm |
| | 4607 | |
| | 4608 | void do_preload_rhash(int r) { |
| | 4609 | // Don't need this for ARM. On x86, this puts the value 0xf8 into the |
| | 4610 | // register. On ARM the hash can be done with a single instruction (below) |
| | 4611 | } |
| | 4612 | |
| | 4613 | void do_preload_rhtbl(int ht) { |
| | 4614 | emit_addimm(FP,(int)&mini_ht-(int)&dynarec_local,ht); |
| | 4615 | } |
| | 4616 | |
| | 4617 | void do_rhash(int rs,int rh) { |
| | 4618 | emit_andimm(rs,0xf8,rh); |
| | 4619 | } |
| | 4620 | |
| | 4621 | void do_miniht_load(int ht,int rh) { |
| | 4622 | assem_debug("ldr %s,[%s,%s]!\n",regname[rh],regname[ht],regname[rh]); |
| | 4623 | output_w32(0xe7b00000|rd_rn_rm(rh,ht,rh)); |
| | 4624 | } |
| | 4625 | |
| | 4626 | void do_miniht_jump(int rs,int rh,int ht) { |
| | 4627 | emit_cmp(rh,rs); |
| | 4628 | emit_ldreq_indexed(ht,4,15); |
| | 4629 | #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
| | 4630 | emit_mov(rs,7); |
| | 4631 | emit_jmp(jump_vaddr_reg[7]); |
| | 4632 | #else |
| | 4633 | emit_jmp(jump_vaddr_reg[rs]); |
| | 4634 | #endif |
| | 4635 | } |
| | 4636 | |
| | 4637 | void do_miniht_insert(u_int return_address,int rt,int temp) { |
| | 4638 | #ifdef ARMv5_ONLY |
| | 4639 | emit_movimm(return_address,rt); // PC into link register |
| | 4640 | add_to_linker((int)out,return_address,1); |
| | 4641 | emit_pcreladdr(temp); |
| | 4642 | emit_writeword(rt,(int)&mini_ht[(return_address&0xFF)>>3][0]); |
| | 4643 | emit_writeword(temp,(int)&mini_ht[(return_address&0xFF)>>3][1]); |
| | 4644 | #else |
| | 4645 | emit_movw(return_address&0x0000FFFF,rt); |
| | 4646 | add_to_linker((int)out,return_address,1); |
| | 4647 | emit_pcreladdr(temp); |
| | 4648 | emit_writeword(temp,(int)&mini_ht[(return_address&0xFF)>>3][1]); |
| | 4649 | emit_movt(return_address&0xFFFF0000,rt); |
| | 4650 | emit_writeword(rt,(int)&mini_ht[(return_address&0xFF)>>3][0]); |
| | 4651 | #endif |
| | 4652 | } |
| | 4653 | |
| | 4654 | // Sign-extend to 64 bits and write out upper half of a register |
| | 4655 | // This is useful where we have a 32-bit value in a register, and want to |
| | 4656 | // keep it in a 32-bit register, but can't guarantee that it won't be read |
| | 4657 | // as a 64-bit value later. |
| | 4658 | void wb_sx(signed char pre[],signed char entry[],uint64_t dirty,uint64_t is32_pre,uint64_t is32,uint64_t u,uint64_t uu) |
| | 4659 | { |
| | 4660 | #ifndef FORCE32 |
| | 4661 | if(is32_pre==is32) return; |
| | 4662 | int hr,reg; |
| | 4663 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 4664 | if(hr!=EXCLUDE_REG) { |
| | 4665 | //if(pre[hr]==entry[hr]) { |
| | 4666 | if((reg=pre[hr])>=0) { |
| | 4667 | if((dirty>>hr)&1) { |
| | 4668 | if( ((is32_pre&~is32&~uu)>>reg)&1 ) { |
| | 4669 | emit_sarimm(hr,31,HOST_TEMPREG); |
| | 4670 | emit_storereg(reg|64,HOST_TEMPREG); |
| | 4671 | } |
| | 4672 | } |
| | 4673 | } |
| | 4674 | //} |
| | 4675 | } |
| | 4676 | } |
| | 4677 | #endif |
| | 4678 | } |
| | 4679 | |
| | 4680 | 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) |
| | 4681 | { |
| | 4682 | //if(dirty_pre==dirty) return; |
| | 4683 | int hr,reg,new_hr; |
| | 4684 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 4685 | if(hr!=EXCLUDE_REG) { |
| | 4686 | reg=pre[hr]; |
| | 4687 | if(((~u)>>(reg&63))&1) { |
| | 4688 | if(reg==entry[hr]||(reg>0&&entry[hr]<0)) { |
| | 4689 | if(((dirty_pre&~dirty)>>hr)&1) { |
| | 4690 | if(reg>0&®<34) { |
| | 4691 | emit_storereg(reg,hr); |
| | 4692 | if( ((is32_pre&~uu)>>reg)&1 ) { |
| | 4693 | emit_sarimm(hr,31,HOST_TEMPREG); |
| | 4694 | emit_storereg(reg|64,HOST_TEMPREG); |
| | 4695 | } |
| | 4696 | } |
| | 4697 | else if(reg>=64) { |
| | 4698 | emit_storereg(reg,hr); |
| | 4699 | } |
| | 4700 | } |
| | 4701 | } |
| | 4702 | else // Check if register moved to a different register |
| | 4703 | if((new_hr=get_reg(entry,reg))>=0) { |
| | 4704 | if((dirty_pre>>hr)&(~dirty>>new_hr)&1) { |
| | 4705 | if(reg>0&®<34) { |
| | 4706 | emit_storereg(reg,hr); |
| | 4707 | if( ((is32_pre&~uu)>>reg)&1 ) { |
| | 4708 | emit_sarimm(hr,31,HOST_TEMPREG); |
| | 4709 | emit_storereg(reg|64,HOST_TEMPREG); |
| | 4710 | } |
| | 4711 | } |
| | 4712 | else if(reg>=64) { |
| | 4713 | emit_storereg(reg,hr); |
| | 4714 | } |
| | 4715 | } |
| | 4716 | } |
| | 4717 | } |
| | 4718 | } |
| | 4719 | } |
| | 4720 | } |
| | 4721 | |
| | 4722 | |
| | 4723 | /* using strd could possibly help but you'd have to allocate registers in pairs |
| | 4724 | void wb_invalidate_arm(signed char pre[],signed char entry[],uint64_t dirty,uint64_t is32,uint64_t u,uint64_t uu) |
| | 4725 | { |
| | 4726 | int hr; |
| | 4727 | int wrote=-1; |
| | 4728 | for(hr=HOST_REGS-1;hr>=0;hr--) { |
| | 4729 | if(hr!=EXCLUDE_REG) { |
| | 4730 | if(pre[hr]!=entry[hr]) { |
| | 4731 | if(pre[hr]>=0) { |
| | 4732 | if((dirty>>hr)&1) { |
| | 4733 | if(get_reg(entry,pre[hr])<0) { |
| | 4734 | if(pre[hr]<64) { |
| | 4735 | if(!((u>>pre[hr])&1)) { |
| | 4736 | if(hr<10&&(~hr&1)&&(pre[hr+1]<0||wrote==hr+1)) { |
| | 4737 | if( ((is32>>pre[hr])&1) && !((uu>>pre[hr])&1) ) { |
| | 4738 | emit_sarimm(hr,31,hr+1); |
| | 4739 | emit_strdreg(pre[hr],hr); |
| | 4740 | } |
| | 4741 | else |
| | 4742 | emit_storereg(pre[hr],hr); |
| | 4743 | }else{ |
| | 4744 | emit_storereg(pre[hr],hr); |
| | 4745 | if( ((is32>>pre[hr])&1) && !((uu>>pre[hr])&1) ) { |
| | 4746 | emit_sarimm(hr,31,hr); |
| | 4747 | emit_storereg(pre[hr]|64,hr); |
| | 4748 | } |
| | 4749 | } |
| | 4750 | } |
| | 4751 | }else{ |
| | 4752 | if(!((uu>>(pre[hr]&63))&1) && !((is32>>(pre[hr]&63))&1)) { |
| | 4753 | emit_storereg(pre[hr],hr); |
| | 4754 | } |
| | 4755 | } |
| | 4756 | wrote=hr; |
| | 4757 | } |
| | 4758 | } |
| | 4759 | } |
| | 4760 | } |
| | 4761 | } |
| | 4762 | } |
| | 4763 | for(hr=0;hr<HOST_REGS;hr++) { |
| | 4764 | if(hr!=EXCLUDE_REG) { |
| | 4765 | if(pre[hr]!=entry[hr]) { |
| | 4766 | if(pre[hr]>=0) { |
| | 4767 | int nr; |
| | 4768 | if((nr=get_reg(entry,pre[hr]))>=0) { |
| | 4769 | emit_mov(hr,nr); |
| | 4770 | } |
| | 4771 | } |
| | 4772 | } |
| | 4773 | } |
| | 4774 | } |
| | 4775 | } |
| | 4776 | #define wb_invalidate wb_invalidate_arm |
| | 4777 | */ |
| | 4778 | |
| | 4779 | // CPU-architecture-specific initialization |
| | 4780 | void arch_init() { |
| | 4781 | #ifndef DISABLE_COP1 |
| | 4782 | rounding_modes[0]=0x0<<22; // round |
| | 4783 | rounding_modes[1]=0x3<<22; // trunc |
| | 4784 | rounding_modes[2]=0x1<<22; // ceil |
| | 4785 | rounding_modes[3]=0x2<<22; // floor |
| | 4786 | #endif |
| | 4787 | } |
| | 4788 | |
| | 4789 | // vim:shiftwidth=2:expandtab |
notaz.gp2x.de / pcsx_rearmed.git / blame_incremental