| 57871462 |
1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
| c6c3b1b3 |
2 | * Mupen64plus/PCSX - assem_arm.c * |
| 20d507ba |
3 | * Copyright (C) 2009-2011 Ari64 * |
| c6c3b1b3 |
4 | * Copyright (C) 2010-2011 GraÅžvydas "notaz" Ignotas * |
| 57871462 |
5 | * * |
| 6 | * This program is free software; you can redistribute it and/or modify * |
| 7 | * it under the terms of the GNU General Public License as published by * |
| 8 | * the Free Software Foundation; either version 2 of the License, or * |
| 9 | * (at your option) any later version. * |
| 10 | * * |
| 11 | * This program is distributed in the hope that it will be useful, * |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 14 | * GNU General Public License for more details. * |
| 15 | * * |
| 16 | * You should have received a copy of the GNU General Public License * |
| 17 | * along with this program; if not, write to the * |
| 18 | * Free Software Foundation, Inc., * |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
| 20 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
| 21 | |
| 6c0eefaf |
22 | #include "../gte.h" |
| 23 | #define FLAGLESS |
| 24 | #include "../gte.h" |
| 25 | #undef FLAGLESS |
| 054175e9 |
26 | #include "../gte_arm.h" |
| 27 | #include "../gte_neon.h" |
| 28 | #include "pcnt.h" |
| 665f33e1 |
29 | #include "arm_features.h" |
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30 | |
| a327ad27 |
31 | #if !BASE_ADDR_FIXED |
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32 | char translation_cache[1 << TARGET_SIZE_2] __attribute__((aligned(4096))); |
| 33 | #endif |
| 34 | |
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35 | #ifndef __MACH__ |
| 36 | #define CALLER_SAVE_REGS 0x100f |
| 37 | #else |
| 38 | #define CALLER_SAVE_REGS 0x120f |
| 39 | #endif |
| 40 | |
| 57871462 |
41 | extern int cycle_count; |
| 42 | extern int last_count; |
| 43 | extern int pcaddr; |
| 44 | extern int pending_exception; |
| 45 | extern int branch_target; |
| 46 | extern uint64_t readmem_dword; |
| 57871462 |
47 | extern void *dynarec_local; |
| 48 | extern u_int memory_map[1048576]; |
| 49 | extern u_int mini_ht[32][2]; |
| 50 | extern u_int rounding_modes[4]; |
| 51 | |
| 52 | void indirect_jump_indexed(); |
| 53 | void indirect_jump(); |
| 54 | void do_interrupt(); |
| 55 | void jump_vaddr_r0(); |
| 56 | void jump_vaddr_r1(); |
| 57 | void jump_vaddr_r2(); |
| 58 | void jump_vaddr_r3(); |
| 59 | void jump_vaddr_r4(); |
| 60 | void jump_vaddr_r5(); |
| 61 | void jump_vaddr_r6(); |
| 62 | void jump_vaddr_r7(); |
| 63 | void jump_vaddr_r8(); |
| 64 | void jump_vaddr_r9(); |
| 65 | void jump_vaddr_r10(); |
| 66 | void jump_vaddr_r12(); |
| 67 | |
| 68 | const u_int jump_vaddr_reg[16] = { |
| 69 | (int)jump_vaddr_r0, |
| 70 | (int)jump_vaddr_r1, |
| 71 | (int)jump_vaddr_r2, |
| 72 | (int)jump_vaddr_r3, |
| 73 | (int)jump_vaddr_r4, |
| 74 | (int)jump_vaddr_r5, |
| 75 | (int)jump_vaddr_r6, |
| 76 | (int)jump_vaddr_r7, |
| 77 | (int)jump_vaddr_r8, |
| 78 | (int)jump_vaddr_r9, |
| 79 | (int)jump_vaddr_r10, |
| 80 | 0, |
| 81 | (int)jump_vaddr_r12, |
| 82 | 0, |
| 83 | 0, |
| 84 | 0}; |
| 85 | |
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86 | void invalidate_addr_r0(); |
| 87 | void invalidate_addr_r1(); |
| 88 | void invalidate_addr_r2(); |
| 89 | void invalidate_addr_r3(); |
| 90 | void invalidate_addr_r4(); |
| 91 | void invalidate_addr_r5(); |
| 92 | void invalidate_addr_r6(); |
| 93 | void invalidate_addr_r7(); |
| 94 | void invalidate_addr_r8(); |
| 95 | void invalidate_addr_r9(); |
| 96 | void invalidate_addr_r10(); |
| 97 | void invalidate_addr_r12(); |
| 98 | |
| 99 | const u_int invalidate_addr_reg[16] = { |
| 100 | (int)invalidate_addr_r0, |
| 101 | (int)invalidate_addr_r1, |
| 102 | (int)invalidate_addr_r2, |
| 103 | (int)invalidate_addr_r3, |
| 104 | (int)invalidate_addr_r4, |
| 105 | (int)invalidate_addr_r5, |
| 106 | (int)invalidate_addr_r6, |
| 107 | (int)invalidate_addr_r7, |
| 108 | (int)invalidate_addr_r8, |
| 109 | (int)invalidate_addr_r9, |
| 110 | (int)invalidate_addr_r10, |
| 111 | 0, |
| 112 | (int)invalidate_addr_r12, |
| 113 | 0, |
| 114 | 0, |
| 115 | 0}; |
| 116 | |
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117 | unsigned int needs_clear_cache[1<<(TARGET_SIZE_2-17)]; |
| 118 | |
| 57871462 |
119 | /* Linker */ |
| 120 | |
| 121 | void set_jump_target(int addr,u_int target) |
| 122 | { |
| 123 | u_char *ptr=(u_char *)addr; |
| 124 | u_int *ptr2=(u_int *)ptr; |
| 125 | if(ptr[3]==0xe2) { |
| 126 | assert((target-(u_int)ptr2-8)<1024); |
| 127 | assert((addr&3)==0); |
| 128 | assert((target&3)==0); |
| 129 | *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>2)|0xF00; |
| 130 | //printf("target=%x addr=%x insn=%x\n",target,addr,*ptr2); |
| 131 | } |
| 132 | else if(ptr[3]==0x72) { |
| 133 | // generated by emit_jno_unlikely |
| 134 | if((target-(u_int)ptr2-8)<1024) { |
| 135 | assert((addr&3)==0); |
| 136 | assert((target&3)==0); |
| 137 | *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>2)|0xF00; |
| 138 | } |
| 139 | else if((target-(u_int)ptr2-8)<4096&&!((target-(u_int)ptr2-8)&15)) { |
| 140 | assert((addr&3)==0); |
| 141 | assert((target&3)==0); |
| 142 | *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>4)|0xE00; |
| 143 | } |
| 144 | else *ptr2=(0x7A000000)|(((target-(u_int)ptr2-8)<<6)>>8); |
| 145 | } |
| 146 | else { |
| 147 | assert((ptr[3]&0x0e)==0xa); |
| 148 | *ptr2=(*ptr2&0xFF000000)|(((target-(u_int)ptr2-8)<<6)>>8); |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | // This optionally copies the instruction from the target of the branch into |
| 153 | // the space before the branch. Works, but the difference in speed is |
| 154 | // usually insignificant. |
| 155 | void set_jump_target_fillslot(int addr,u_int target,int copy) |
| 156 | { |
| 157 | u_char *ptr=(u_char *)addr; |
| 158 | u_int *ptr2=(u_int *)ptr; |
| 159 | assert(!copy||ptr2[-1]==0xe28dd000); |
| 160 | if(ptr[3]==0xe2) { |
| 161 | assert(!copy); |
| 162 | assert((target-(u_int)ptr2-8)<4096); |
| 163 | *ptr2=(*ptr2&0xFFFFF000)|(target-(u_int)ptr2-8); |
| 164 | } |
| 165 | else { |
| 166 | assert((ptr[3]&0x0e)==0xa); |
| 167 | u_int target_insn=*(u_int *)target; |
| 168 | if((target_insn&0x0e100000)==0) { // ALU, no immediate, no flags |
| 169 | copy=0; |
| 170 | } |
| 171 | if((target_insn&0x0c100000)==0x04100000) { // Load |
| 172 | copy=0; |
| 173 | } |
| 174 | if(target_insn&0x08000000) { |
| 175 | copy=0; |
| 176 | } |
| 177 | if(copy) { |
| 178 | ptr2[-1]=target_insn; |
| 179 | target+=4; |
| 180 | } |
| 181 | *ptr2=(*ptr2&0xFF000000)|(((target-(u_int)ptr2-8)<<6)>>8); |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | /* Literal pool */ |
| 186 | add_literal(int addr,int val) |
| 187 | { |
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188 | assert(literalcount<sizeof(literals)/sizeof(literals[0])); |
| 57871462 |
189 | literals[literalcount][0]=addr; |
| 190 | literals[literalcount][1]=val; |
| 191 | literalcount++; |
| 192 | } |
| 193 | |
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194 | void *kill_pointer(void *stub) |
| 57871462 |
195 | { |
| 196 | int *ptr=(int *)(stub+4); |
| 197 | assert((*ptr&0x0ff00000)==0x05900000); |
| 198 | u_int offset=*ptr&0xfff; |
| 199 | int **l_ptr=(void *)ptr+offset+8; |
| 200 | int *i_ptr=*l_ptr; |
| 201 | set_jump_target((int)i_ptr,(int)stub); |
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202 | return i_ptr; |
| 57871462 |
203 | } |
| 204 | |
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205 | // find where external branch is liked to using addr of it's stub: |
| 206 | // get address that insn one after stub loads (dyna_linker arg1), |
| 207 | // treat it as a pointer to branch insn, |
| 208 | // return addr where that branch jumps to |
| 57871462 |
209 | int get_pointer(void *stub) |
| 210 | { |
| 211 | //printf("get_pointer(%x)\n",(int)stub); |
| 212 | int *ptr=(int *)(stub+4); |
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213 | assert((*ptr&0x0fff0000)==0x059f0000); |
| 57871462 |
214 | u_int offset=*ptr&0xfff; |
| 215 | int **l_ptr=(void *)ptr+offset+8; |
| 216 | int *i_ptr=*l_ptr; |
| 217 | assert((*i_ptr&0x0f000000)==0x0a000000); |
| 218 | return (int)i_ptr+((*i_ptr<<8)>>6)+8; |
| 219 | } |
| 220 | |
| 221 | // Find the "clean" entry point from a "dirty" entry point |
| 222 | // by skipping past the call to verify_code |
| 223 | u_int get_clean_addr(int addr) |
| 224 | { |
| 225 | int *ptr=(int *)addr; |
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226 | #ifndef HAVE_ARMV7 |
| 57871462 |
227 | ptr+=4; |
| 228 | #else |
| 229 | ptr+=6; |
| 230 | #endif |
| 231 | if((*ptr&0xFF000000)!=0xeb000000) ptr++; |
| 232 | assert((*ptr&0xFF000000)==0xeb000000); // bl instruction |
| 233 | ptr++; |
| 234 | if((*ptr&0xFF000000)==0xea000000) { |
| 235 | return (int)ptr+((*ptr<<8)>>6)+8; // follow jump |
| 236 | } |
| 237 | return (u_int)ptr; |
| 238 | } |
| 239 | |
| 240 | int verify_dirty(int addr) |
| 241 | { |
| 242 | u_int *ptr=(u_int *)addr; |
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243 | #ifndef HAVE_ARMV7 |
| 57871462 |
244 | // get from literal pool |
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245 | assert((*ptr&0xFFFF0000)==0xe59f0000); |
| 57871462 |
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 |
| 57871462 |
262 | //printf("verify_dirty: %x %x %x\n",source,copy,len); |
| 263 | return !memcmp((void *)source,(void *)copy,len); |
| 264 | } |
| 265 | |
| 266 | // This doesn't necessarily find all clean entry points, just |
| 267 | // guarantees that it's not dirty |
| 268 | int isclean(int addr) |
| 269 | { |
| 665f33e1 |
270 | #ifndef HAVE_ARMV7 |
| 57871462 |
271 | int *ptr=((u_int *)addr)+4; |
| 272 | #else |
| 273 | int *ptr=((u_int *)addr)+6; |
| 274 | #endif |
| 275 | if((*ptr&0xFF000000)!=0xeb000000) ptr++; |
| 276 | if((*ptr&0xFF000000)!=0xeb000000) return 1; // bl instruction |
| 277 | if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code) return 0; |
| 278 | if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code_vm) return 0; |
| 279 | if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code_ds) return 0; |
| 280 | return 1; |
| 281 | } |
| 282 | |
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283 | // get source that block at addr was compiled from (host pointers) |
| 57871462 |
284 | void get_bounds(int addr,u_int *start,u_int *end) |
| 285 | { |
| 286 | u_int *ptr=(u_int *)addr; |
| 665f33e1 |
287 | #ifndef HAVE_ARMV7 |
| 57871462 |
288 | // get from literal pool |
| 15776b68 |
289 | assert((*ptr&0xFFFF0000)==0xe59f0000); |
| 57871462 |
290 | u_int offset=*ptr&0xfff; |
| 291 | u_int *l_ptr=(void *)ptr+offset+8; |
| 292 | u_int source=l_ptr[0]; |
| 293 | //u_int copy=l_ptr[1]; |
| 294 | u_int len=l_ptr[2]; |
| 295 | ptr+=4; |
| 296 | #else |
| 297 | // ARMv7 movw/movt |
| 298 | assert((*ptr&0xFFF00000)==0xe3000000); |
| 299 | u_int source=(ptr[0]&0xFFF)+((ptr[0]>>4)&0xF000)+((ptr[2]<<16)&0xFFF0000)+((ptr[2]<<12)&0xF0000000); |
| 300 | //u_int copy=(ptr[1]&0xFFF)+((ptr[1]>>4)&0xF000)+((ptr[3]<<16)&0xFFF0000)+((ptr[3]<<12)&0xF0000000); |
| 301 | u_int len=(ptr[4]&0xFFF)+((ptr[4]>>4)&0xF000); |
| 302 | ptr+=6; |
| 303 | #endif |
| 304 | if((*ptr&0xFF000000)!=0xeb000000) ptr++; |
| 305 | assert((*ptr&0xFF000000)==0xeb000000); // bl instruction |
| 57871462 |
306 | *start=source; |
| 307 | *end=source+len; |
| 308 | } |
| 309 | |
| 310 | /* Register allocation */ |
| 311 | |
| 312 | // Note: registers are allocated clean (unmodified state) |
| 313 | // if you intend to modify the register, you must call dirty_reg(). |
| 314 | void alloc_reg(struct regstat *cur,int i,signed char reg) |
| 315 | { |
| 316 | int r,hr; |
| 317 | int preferred_reg = (reg&7); |
| 318 | if(reg==CCREG) preferred_reg=HOST_CCREG; |
| 319 | if(reg==PTEMP||reg==FTEMP) preferred_reg=12; |
| 320 | |
| 321 | // Don't allocate unused registers |
| 322 | if((cur->u>>reg)&1) return; |
| 323 | |
| 324 | // see if it's already allocated |
| 325 | for(hr=0;hr<HOST_REGS;hr++) |
| 326 | { |
| 327 | if(cur->regmap[hr]==reg) return; |
| 328 | } |
| 329 | |
| 330 | // Keep the same mapping if the register was already allocated in a loop |
| 331 | preferred_reg = loop_reg(i,reg,preferred_reg); |
| 332 | |
| 333 | // Try to allocate the preferred register |
| 334 | if(cur->regmap[preferred_reg]==-1) { |
| 335 | cur->regmap[preferred_reg]=reg; |
| 336 | cur->dirty&=~(1<<preferred_reg); |
| 337 | cur->isconst&=~(1<<preferred_reg); |
| 338 | return; |
| 339 | } |
| 340 | r=cur->regmap[preferred_reg]; |
| 341 | if(r<64&&((cur->u>>r)&1)) { |
| 342 | cur->regmap[preferred_reg]=reg; |
| 343 | cur->dirty&=~(1<<preferred_reg); |
| 344 | cur->isconst&=~(1<<preferred_reg); |
| 345 | return; |
| 346 | } |
| 347 | if(r>=64&&((cur->uu>>(r&63))&1)) { |
| 348 | cur->regmap[preferred_reg]=reg; |
| 349 | cur->dirty&=~(1<<preferred_reg); |
| 350 | cur->isconst&=~(1<<preferred_reg); |
| 351 | return; |
| 352 | } |
| 353 | |
| 354 | // Clear any unneeded registers |
| 355 | // We try to keep the mapping consistent, if possible, because it |
| 356 | // makes branches easier (especially loops). So we try to allocate |
| 357 | // first (see above) before removing old mappings. If this is not |
| 358 | // possible then go ahead and clear out the registers that are no |
| 359 | // longer needed. |
| 360 | for(hr=0;hr<HOST_REGS;hr++) |
| 361 | { |
| 362 | r=cur->regmap[hr]; |
| 363 | if(r>=0) { |
| 364 | if(r<64) { |
| 365 | if((cur->u>>r)&1) {cur->regmap[hr]=-1;break;} |
| 366 | } |
| 367 | else |
| 368 | { |
| 369 | if((cur->uu>>(r&63))&1) {cur->regmap[hr]=-1;break;} |
| 370 | } |
| 371 | } |
| 372 | } |
| 373 | // Try to allocate any available register, but prefer |
| 374 | // registers that have not been used recently. |
| 375 | if(i>0) { |
| 376 | for(hr=0;hr<HOST_REGS;hr++) { |
| 377 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) { |
| 378 | 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]) { |
| 379 | cur->regmap[hr]=reg; |
| 380 | cur->dirty&=~(1<<hr); |
| 381 | cur->isconst&=~(1<<hr); |
| 382 | return; |
| 383 | } |
| 384 | } |
| 385 | } |
| 386 | } |
| 387 | // Try to allocate any available register |
| 388 | for(hr=0;hr<HOST_REGS;hr++) { |
| 389 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) { |
| 390 | cur->regmap[hr]=reg; |
| 391 | cur->dirty&=~(1<<hr); |
| 392 | cur->isconst&=~(1<<hr); |
| 393 | return; |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | // Ok, now we have to evict someone |
| 398 | // Pick a register we hopefully won't need soon |
| 399 | u_char hsn[MAXREG+1]; |
| 400 | memset(hsn,10,sizeof(hsn)); |
| 401 | int j; |
| 402 | lsn(hsn,i,&preferred_reg); |
| 403 | //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]); |
| 404 | //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]); |
| 405 | if(i>0) { |
| 406 | // Don't evict the cycle count at entry points, otherwise the entry |
| 407 | // stub will have to write it. |
| 408 | if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2; |
| 409 | 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; |
| 410 | for(j=10;j>=3;j--) |
| 411 | { |
| 412 | // Alloc preferred register if available |
| 413 | if(hsn[r=cur->regmap[preferred_reg]&63]==j) { |
| 414 | for(hr=0;hr<HOST_REGS;hr++) { |
| 415 | // Evict both parts of a 64-bit register |
| 416 | if((cur->regmap[hr]&63)==r) { |
| 417 | cur->regmap[hr]=-1; |
| 418 | cur->dirty&=~(1<<hr); |
| 419 | cur->isconst&=~(1<<hr); |
| 420 | } |
| 421 | } |
| 422 | cur->regmap[preferred_reg]=reg; |
| 423 | return; |
| 424 | } |
| 425 | for(r=1;r<=MAXREG;r++) |
| 426 | { |
| 427 | if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) { |
| 428 | for(hr=0;hr<HOST_REGS;hr++) { |
| 429 | if(hr!=HOST_CCREG||j<hsn[CCREG]) { |
| 430 | if(cur->regmap[hr]==r+64) { |
| 431 | cur->regmap[hr]=reg; |
| 432 | cur->dirty&=~(1<<hr); |
| 433 | cur->isconst&=~(1<<hr); |
| 434 | return; |
| 435 | } |
| 436 | } |
| 437 | } |
| 438 | for(hr=0;hr<HOST_REGS;hr++) { |
| 439 | if(hr!=HOST_CCREG||j<hsn[CCREG]) { |
| 440 | if(cur->regmap[hr]==r) { |
| 441 | cur->regmap[hr]=reg; |
| 442 | cur->dirty&=~(1<<hr); |
| 443 | cur->isconst&=~(1<<hr); |
| 444 | return; |
| 445 | } |
| 446 | } |
| 447 | } |
| 448 | } |
| 449 | } |
| 450 | } |
| 451 | } |
| 452 | for(j=10;j>=0;j--) |
| 453 | { |
| 454 | for(r=1;r<=MAXREG;r++) |
| 455 | { |
| 456 | if(hsn[r]==j) { |
| 457 | for(hr=0;hr<HOST_REGS;hr++) { |
| 458 | if(cur->regmap[hr]==r+64) { |
| 459 | cur->regmap[hr]=reg; |
| 460 | cur->dirty&=~(1<<hr); |
| 461 | cur->isconst&=~(1<<hr); |
| 462 | return; |
| 463 | } |
| 464 | } |
| 465 | for(hr=0;hr<HOST_REGS;hr++) { |
| 466 | if(cur->regmap[hr]==r) { |
| 467 | cur->regmap[hr]=reg; |
| 468 | cur->dirty&=~(1<<hr); |
| 469 | cur->isconst&=~(1<<hr); |
| 470 | return; |
| 471 | } |
| 472 | } |
| 473 | } |
| 474 | } |
| 475 | } |
| c43b5311 |
476 | SysPrintf("This shouldn't happen (alloc_reg)");exit(1); |
| 57871462 |
477 | } |
| 478 | |
| 479 | void alloc_reg64(struct regstat *cur,int i,signed char reg) |
| 480 | { |
| 481 | int preferred_reg = 8+(reg&1); |
| 482 | int r,hr; |
| 483 | |
| 484 | // allocate the lower 32 bits |
| 485 | alloc_reg(cur,i,reg); |
| 486 | |
| 487 | // Don't allocate unused registers |
| 488 | if((cur->uu>>reg)&1) return; |
| 489 | |
| 490 | // see if the upper half is already allocated |
| 491 | for(hr=0;hr<HOST_REGS;hr++) |
| 492 | { |
| 493 | if(cur->regmap[hr]==reg+64) return; |
| 494 | } |
| 495 | |
| 496 | // Keep the same mapping if the register was already allocated in a loop |
| 497 | preferred_reg = loop_reg(i,reg,preferred_reg); |
| 498 | |
| 499 | // Try to allocate the preferred register |
| 500 | if(cur->regmap[preferred_reg]==-1) { |
| 501 | cur->regmap[preferred_reg]=reg|64; |
| 502 | cur->dirty&=~(1<<preferred_reg); |
| 503 | cur->isconst&=~(1<<preferred_reg); |
| 504 | return; |
| 505 | } |
| 506 | r=cur->regmap[preferred_reg]; |
| 507 | if(r<64&&((cur->u>>r)&1)) { |
| 508 | cur->regmap[preferred_reg]=reg|64; |
| 509 | cur->dirty&=~(1<<preferred_reg); |
| 510 | cur->isconst&=~(1<<preferred_reg); |
| 511 | return; |
| 512 | } |
| 513 | if(r>=64&&((cur->uu>>(r&63))&1)) { |
| 514 | cur->regmap[preferred_reg]=reg|64; |
| 515 | cur->dirty&=~(1<<preferred_reg); |
| 516 | cur->isconst&=~(1<<preferred_reg); |
| 517 | return; |
| 518 | } |
| 519 | |
| 520 | // Clear any unneeded registers |
| 521 | // We try to keep the mapping consistent, if possible, because it |
| 522 | // makes branches easier (especially loops). So we try to allocate |
| 523 | // first (see above) before removing old mappings. If this is not |
| 524 | // possible then go ahead and clear out the registers that are no |
| 525 | // longer needed. |
| 526 | for(hr=HOST_REGS-1;hr>=0;hr--) |
| 527 | { |
| 528 | r=cur->regmap[hr]; |
| 529 | if(r>=0) { |
| 530 | if(r<64) { |
| 531 | if((cur->u>>r)&1) {cur->regmap[hr]=-1;break;} |
| 532 | } |
| 533 | else |
| 534 | { |
| 535 | if((cur->uu>>(r&63))&1) {cur->regmap[hr]=-1;break;} |
| 536 | } |
| 537 | } |
| 538 | } |
| 539 | // Try to allocate any available register, but prefer |
| 540 | // registers that have not been used recently. |
| 541 | if(i>0) { |
| 542 | for(hr=0;hr<HOST_REGS;hr++) { |
| 543 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) { |
| 544 | 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]) { |
| 545 | cur->regmap[hr]=reg|64; |
| 546 | cur->dirty&=~(1<<hr); |
| 547 | cur->isconst&=~(1<<hr); |
| 548 | return; |
| 549 | } |
| 550 | } |
| 551 | } |
| 552 | } |
| 553 | // Try to allocate any available register |
| 554 | for(hr=0;hr<HOST_REGS;hr++) { |
| 555 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) { |
| 556 | cur->regmap[hr]=reg|64; |
| 557 | cur->dirty&=~(1<<hr); |
| 558 | cur->isconst&=~(1<<hr); |
| 559 | return; |
| 560 | } |
| 561 | } |
| 562 | |
| 563 | // Ok, now we have to evict someone |
| 564 | // Pick a register we hopefully won't need soon |
| 565 | u_char hsn[MAXREG+1]; |
| 566 | memset(hsn,10,sizeof(hsn)); |
| 567 | int j; |
| 568 | lsn(hsn,i,&preferred_reg); |
| 569 | //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]); |
| 570 | //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]); |
| 571 | if(i>0) { |
| 572 | // Don't evict the cycle count at entry points, otherwise the entry |
| 573 | // stub will have to write it. |
| 574 | if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2; |
| 575 | 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; |
| 576 | for(j=10;j>=3;j--) |
| 577 | { |
| 578 | // Alloc preferred register if available |
| 579 | if(hsn[r=cur->regmap[preferred_reg]&63]==j) { |
| 580 | for(hr=0;hr<HOST_REGS;hr++) { |
| 581 | // Evict both parts of a 64-bit register |
| 582 | if((cur->regmap[hr]&63)==r) { |
| 583 | cur->regmap[hr]=-1; |
| 584 | cur->dirty&=~(1<<hr); |
| 585 | cur->isconst&=~(1<<hr); |
| 586 | } |
| 587 | } |
| 588 | cur->regmap[preferred_reg]=reg|64; |
| 589 | return; |
| 590 | } |
| 591 | for(r=1;r<=MAXREG;r++) |
| 592 | { |
| 593 | if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) { |
| 594 | for(hr=0;hr<HOST_REGS;hr++) { |
| 595 | if(hr!=HOST_CCREG||j<hsn[CCREG]) { |
| 596 | if(cur->regmap[hr]==r+64) { |
| 597 | cur->regmap[hr]=reg|64; |
| 598 | cur->dirty&=~(1<<hr); |
| 599 | cur->isconst&=~(1<<hr); |
| 600 | return; |
| 601 | } |
| 602 | } |
| 603 | } |
| 604 | for(hr=0;hr<HOST_REGS;hr++) { |
| 605 | if(hr!=HOST_CCREG||j<hsn[CCREG]) { |
| 606 | if(cur->regmap[hr]==r) { |
| 607 | cur->regmap[hr]=reg|64; |
| 608 | cur->dirty&=~(1<<hr); |
| 609 | cur->isconst&=~(1<<hr); |
| 610 | return; |
| 611 | } |
| 612 | } |
| 613 | } |
| 614 | } |
| 615 | } |
| 616 | } |
| 617 | } |
| 618 | for(j=10;j>=0;j--) |
| 619 | { |
| 620 | for(r=1;r<=MAXREG;r++) |
| 621 | { |
| 622 | if(hsn[r]==j) { |
| 623 | for(hr=0;hr<HOST_REGS;hr++) { |
| 624 | if(cur->regmap[hr]==r+64) { |
| 625 | cur->regmap[hr]=reg|64; |
| 626 | cur->dirty&=~(1<<hr); |
| 627 | cur->isconst&=~(1<<hr); |
| 628 | return; |
| 629 | } |
| 630 | } |
| 631 | for(hr=0;hr<HOST_REGS;hr++) { |
| 632 | if(cur->regmap[hr]==r) { |
| 633 | cur->regmap[hr]=reg|64; |
| 634 | cur->dirty&=~(1<<hr); |
| 635 | cur->isconst&=~(1<<hr); |
| 636 | return; |
| 637 | } |
| 638 | } |
| 639 | } |
| 640 | } |
| 641 | } |
| c43b5311 |
642 | SysPrintf("This shouldn't happen");exit(1); |
| 57871462 |
643 | } |
| 644 | |
| 645 | // Allocate a temporary register. This is done without regard to |
| 646 | // dirty status or whether the register we request is on the unneeded list |
| 647 | // Note: This will only allocate one register, even if called multiple times |
| 648 | void alloc_reg_temp(struct regstat *cur,int i,signed char reg) |
| 649 | { |
| 650 | int r,hr; |
| 651 | int preferred_reg = -1; |
| 652 | |
| 653 | // see if it's already allocated |
| 654 | for(hr=0;hr<HOST_REGS;hr++) |
| 655 | { |
| 656 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==reg) return; |
| 657 | } |
| 658 | |
| 659 | // Try to allocate any available register |
| 660 | for(hr=HOST_REGS-1;hr>=0;hr--) { |
| 661 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) { |
| 662 | cur->regmap[hr]=reg; |
| 663 | cur->dirty&=~(1<<hr); |
| 664 | cur->isconst&=~(1<<hr); |
| 665 | return; |
| 666 | } |
| 667 | } |
| 668 | |
| 669 | // Find an unneeded register |
| 670 | for(hr=HOST_REGS-1;hr>=0;hr--) |
| 671 | { |
| 672 | r=cur->regmap[hr]; |
| 673 | if(r>=0) { |
| 674 | if(r<64) { |
| 675 | if((cur->u>>r)&1) { |
| 676 | if(i==0||((unneeded_reg[i-1]>>r)&1)) { |
| 677 | cur->regmap[hr]=reg; |
| 678 | cur->dirty&=~(1<<hr); |
| 679 | cur->isconst&=~(1<<hr); |
| 680 | return; |
| 681 | } |
| 682 | } |
| 683 | } |
| 684 | else |
| 685 | { |
| 686 | if((cur->uu>>(r&63))&1) { |
| 687 | if(i==0||((unneeded_reg_upper[i-1]>>(r&63))&1)) { |
| 688 | cur->regmap[hr]=reg; |
| 689 | cur->dirty&=~(1<<hr); |
| 690 | cur->isconst&=~(1<<hr); |
| 691 | return; |
| 692 | } |
| 693 | } |
| 694 | } |
| 695 | } |
| 696 | } |
| 697 | |
| 698 | // Ok, now we have to evict someone |
| 699 | // Pick a register we hopefully won't need soon |
| 700 | // TODO: we might want to follow unconditional jumps here |
| 701 | // TODO: get rid of dupe code and make this into a function |
| 702 | u_char hsn[MAXREG+1]; |
| 703 | memset(hsn,10,sizeof(hsn)); |
| 704 | int j; |
| 705 | lsn(hsn,i,&preferred_reg); |
| 706 | //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]); |
| 707 | if(i>0) { |
| 708 | // Don't evict the cycle count at entry points, otherwise the entry |
| 709 | // stub will have to write it. |
| 710 | if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2; |
| 711 | 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; |
| 712 | for(j=10;j>=3;j--) |
| 713 | { |
| 714 | for(r=1;r<=MAXREG;r++) |
| 715 | { |
| 716 | if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) { |
| 717 | for(hr=0;hr<HOST_REGS;hr++) { |
| 718 | if(hr!=HOST_CCREG||hsn[CCREG]>2) { |
| 719 | if(cur->regmap[hr]==r+64) { |
| 720 | cur->regmap[hr]=reg; |
| 721 | cur->dirty&=~(1<<hr); |
| 722 | cur->isconst&=~(1<<hr); |
| 723 | return; |
| 724 | } |
| 725 | } |
| 726 | } |
| 727 | for(hr=0;hr<HOST_REGS;hr++) { |
| 728 | if(hr!=HOST_CCREG||hsn[CCREG]>2) { |
| 729 | if(cur->regmap[hr]==r) { |
| 730 | cur->regmap[hr]=reg; |
| 731 | cur->dirty&=~(1<<hr); |
| 732 | cur->isconst&=~(1<<hr); |
| 733 | return; |
| 734 | } |
| 735 | } |
| 736 | } |
| 737 | } |
| 738 | } |
| 739 | } |
| 740 | } |
| 741 | for(j=10;j>=0;j--) |
| 742 | { |
| 743 | for(r=1;r<=MAXREG;r++) |
| 744 | { |
| 745 | if(hsn[r]==j) { |
| 746 | for(hr=0;hr<HOST_REGS;hr++) { |
| 747 | if(cur->regmap[hr]==r+64) { |
| 748 | cur->regmap[hr]=reg; |
| 749 | cur->dirty&=~(1<<hr); |
| 750 | cur->isconst&=~(1<<hr); |
| 751 | return; |
| 752 | } |
| 753 | } |
| 754 | for(hr=0;hr<HOST_REGS;hr++) { |
| 755 | if(cur->regmap[hr]==r) { |
| 756 | cur->regmap[hr]=reg; |
| 757 | cur->dirty&=~(1<<hr); |
| 758 | cur->isconst&=~(1<<hr); |
| 759 | return; |
| 760 | } |
| 761 | } |
| 762 | } |
| 763 | } |
| 764 | } |
| c43b5311 |
765 | SysPrintf("This shouldn't happen");exit(1); |
| 57871462 |
766 | } |
| 767 | // Allocate a specific ARM register. |
| 768 | void alloc_arm_reg(struct regstat *cur,int i,signed char reg,char hr) |
| 769 | { |
| 770 | int n; |
| f776eb14 |
771 | int dirty=0; |
| 57871462 |
772 | |
| 773 | // see if it's already allocated (and dealloc it) |
| 774 | for(n=0;n<HOST_REGS;n++) |
| 775 | { |
| f776eb14 |
776 | if(n!=EXCLUDE_REG&&cur->regmap[n]==reg) { |
| 777 | dirty=(cur->dirty>>n)&1; |
| 778 | cur->regmap[n]=-1; |
| 779 | } |
| 57871462 |
780 | } |
| 781 | |
| 782 | cur->regmap[hr]=reg; |
| 783 | cur->dirty&=~(1<<hr); |
| f776eb14 |
784 | cur->dirty|=dirty<<hr; |
| 57871462 |
785 | cur->isconst&=~(1<<hr); |
| 786 | } |
| 787 | |
| 788 | // Alloc cycle count into dedicated register |
| 789 | alloc_cc(struct regstat *cur,int i) |
| 790 | { |
| 791 | alloc_arm_reg(cur,i,CCREG,HOST_CCREG); |
| 792 | } |
| 793 | |
| 794 | /* Special alloc */ |
| 795 | |
| 796 | |
| 797 | /* Assembler */ |
| 798 | |
| 799 | char regname[16][4] = { |
| 800 | "r0", |
| 801 | "r1", |
| 802 | "r2", |
| 803 | "r3", |
| 804 | "r4", |
| 805 | "r5", |
| 806 | "r6", |
| 807 | "r7", |
| 808 | "r8", |
| 809 | "r9", |
| 810 | "r10", |
| 811 | "fp", |
| 812 | "r12", |
| 813 | "sp", |
| 814 | "lr", |
| 815 | "pc"}; |
| 816 | |
| 817 | void output_byte(u_char byte) |
| 818 | { |
| 819 | *(out++)=byte; |
| 820 | } |
| 821 | void output_modrm(u_char mod,u_char rm,u_char ext) |
| 822 | { |
| 823 | assert(mod<4); |
| 824 | assert(rm<8); |
| 825 | assert(ext<8); |
| 826 | u_char byte=(mod<<6)|(ext<<3)|rm; |
| 827 | *(out++)=byte; |
| 828 | } |
| 829 | void output_sib(u_char scale,u_char index,u_char base) |
| 830 | { |
| 831 | assert(scale<4); |
| 832 | assert(index<8); |
| 833 | assert(base<8); |
| 834 | u_char byte=(scale<<6)|(index<<3)|base; |
| 835 | *(out++)=byte; |
| 836 | } |
| 837 | void output_w32(u_int word) |
| 838 | { |
| 839 | *((u_int *)out)=word; |
| 840 | out+=4; |
| 841 | } |
| 842 | u_int rd_rn_rm(u_int rd, u_int rn, u_int rm) |
| 843 | { |
| 844 | assert(rd<16); |
| 845 | assert(rn<16); |
| 846 | assert(rm<16); |
| 847 | return((rn<<16)|(rd<<12)|rm); |
| 848 | } |
| 849 | u_int rd_rn_imm_shift(u_int rd, u_int rn, u_int imm, u_int shift) |
| 850 | { |
| 851 | assert(rd<16); |
| 852 | assert(rn<16); |
| 853 | assert(imm<256); |
| 854 | assert((shift&1)==0); |
| 855 | return((rn<<16)|(rd<<12)|(((32-shift)&30)<<7)|imm); |
| 856 | } |
| 857 | u_int genimm(u_int imm,u_int *encoded) |
| 858 | { |
| c2e3bd42 |
859 | *encoded=0; |
| 860 | if(imm==0) return 1; |
| 57871462 |
861 | int i=32; |
| 862 | while(i>0) |
| 863 | { |
| 864 | if(imm<256) { |
| 865 | *encoded=((i&30)<<7)|imm; |
| 866 | return 1; |
| 867 | } |
| 868 | imm=(imm>>2)|(imm<<30);i-=2; |
| 869 | } |
| 870 | return 0; |
| 871 | } |
| cfbd3c6e |
872 | void genimm_checked(u_int imm,u_int *encoded) |
| 873 | { |
| 874 | u_int ret=genimm(imm,encoded); |
| 875 | assert(ret); |
| 876 | } |
| 57871462 |
877 | u_int genjmp(u_int addr) |
| 878 | { |
| 879 | int offset=addr-(int)out-8; |
| e80343e2 |
880 | if(offset<-33554432||offset>=33554432) { |
| 881 | if (addr>2) { |
| c43b5311 |
882 | SysPrintf("genjmp: out of range: %08x\n", offset); |
| e80343e2 |
883 | exit(1); |
| 884 | } |
| 885 | return 0; |
| 886 | } |
| 57871462 |
887 | return ((u_int)offset>>2)&0xffffff; |
| 888 | } |
| 889 | |
| 890 | void emit_mov(int rs,int rt) |
| 891 | { |
| 892 | assem_debug("mov %s,%s\n",regname[rt],regname[rs]); |
| 893 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)); |
| 894 | } |
| 895 | |
| 896 | void emit_movs(int rs,int rt) |
| 897 | { |
| 898 | assem_debug("movs %s,%s\n",regname[rt],regname[rs]); |
| 899 | output_w32(0xe1b00000|rd_rn_rm(rt,0,rs)); |
| 900 | } |
| 901 | |
| 902 | void emit_add(int rs1,int rs2,int rt) |
| 903 | { |
| 904 | assem_debug("add %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 905 | output_w32(0xe0800000|rd_rn_rm(rt,rs1,rs2)); |
| 906 | } |
| 907 | |
| 908 | void emit_adds(int rs1,int rs2,int rt) |
| 909 | { |
| 910 | assem_debug("adds %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 911 | output_w32(0xe0900000|rd_rn_rm(rt,rs1,rs2)); |
| 912 | } |
| 913 | |
| 914 | void emit_adcs(int rs1,int rs2,int rt) |
| 915 | { |
| 916 | assem_debug("adcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 917 | output_w32(0xe0b00000|rd_rn_rm(rt,rs1,rs2)); |
| 918 | } |
| 919 | |
| 920 | void emit_sbc(int rs1,int rs2,int rt) |
| 921 | { |
| 922 | assem_debug("sbc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 923 | output_w32(0xe0c00000|rd_rn_rm(rt,rs1,rs2)); |
| 924 | } |
| 925 | |
| 926 | void emit_sbcs(int rs1,int rs2,int rt) |
| 927 | { |
| 928 | assem_debug("sbcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 929 | output_w32(0xe0d00000|rd_rn_rm(rt,rs1,rs2)); |
| 930 | } |
| 931 | |
| 932 | void emit_neg(int rs, int rt) |
| 933 | { |
| 934 | assem_debug("rsb %s,%s,#0\n",regname[rt],regname[rs]); |
| 935 | output_w32(0xe2600000|rd_rn_rm(rt,rs,0)); |
| 936 | } |
| 937 | |
| 938 | void emit_negs(int rs, int rt) |
| 939 | { |
| 940 | assem_debug("rsbs %s,%s,#0\n",regname[rt],regname[rs]); |
| 941 | output_w32(0xe2700000|rd_rn_rm(rt,rs,0)); |
| 942 | } |
| 943 | |
| 944 | void emit_sub(int rs1,int rs2,int rt) |
| 945 | { |
| 946 | assem_debug("sub %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 947 | output_w32(0xe0400000|rd_rn_rm(rt,rs1,rs2)); |
| 948 | } |
| 949 | |
| 950 | void emit_subs(int rs1,int rs2,int rt) |
| 951 | { |
| 952 | assem_debug("subs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 953 | output_w32(0xe0500000|rd_rn_rm(rt,rs1,rs2)); |
| 954 | } |
| 955 | |
| 956 | void emit_zeroreg(int rt) |
| 957 | { |
| 958 | assem_debug("mov %s,#0\n",regname[rt]); |
| 959 | output_w32(0xe3a00000|rd_rn_rm(rt,0,0)); |
| 960 | } |
| 961 | |
| 790ee18e |
962 | void emit_loadlp(u_int imm,u_int rt) |
| 963 | { |
| 964 | add_literal((int)out,imm); |
| 965 | assem_debug("ldr %s,pc+? [=%x]\n",regname[rt],imm); |
| 966 | output_w32(0xe5900000|rd_rn_rm(rt,15,0)); |
| 967 | } |
| 968 | void emit_movw(u_int imm,u_int rt) |
| 969 | { |
| 970 | assert(imm<65536); |
| 971 | assem_debug("movw %s,#%d (0x%x)\n",regname[rt],imm,imm); |
| 972 | output_w32(0xe3000000|rd_rn_rm(rt,0,0)|(imm&0xfff)|((imm<<4)&0xf0000)); |
| 973 | } |
| 974 | void emit_movt(u_int imm,u_int rt) |
| 975 | { |
| 976 | assem_debug("movt %s,#%d (0x%x)\n",regname[rt],imm&0xffff0000,imm&0xffff0000); |
| 977 | output_w32(0xe3400000|rd_rn_rm(rt,0,0)|((imm>>16)&0xfff)|((imm>>12)&0xf0000)); |
| 978 | } |
| 979 | void emit_movimm(u_int imm,u_int rt) |
| 980 | { |
| 981 | u_int armval; |
| 982 | if(genimm(imm,&armval)) { |
| 983 | assem_debug("mov %s,#%d\n",regname[rt],imm); |
| 984 | output_w32(0xe3a00000|rd_rn_rm(rt,0,0)|armval); |
| 985 | }else if(genimm(~imm,&armval)) { |
| 986 | assem_debug("mvn %s,#%d\n",regname[rt],imm); |
| 987 | output_w32(0xe3e00000|rd_rn_rm(rt,0,0)|armval); |
| 988 | }else if(imm<65536) { |
| 665f33e1 |
989 | #ifndef HAVE_ARMV7 |
| 790ee18e |
990 | assem_debug("mov %s,#%d\n",regname[rt],imm&0xFF00); |
| 991 | output_w32(0xe3a00000|rd_rn_imm_shift(rt,0,imm>>8,8)); |
| 992 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF); |
| 993 | output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
| 994 | #else |
| 995 | emit_movw(imm,rt); |
| 996 | #endif |
| 997 | }else{ |
| 665f33e1 |
998 | #ifndef HAVE_ARMV7 |
| 790ee18e |
999 | emit_loadlp(imm,rt); |
| 1000 | #else |
| 1001 | emit_movw(imm&0x0000FFFF,rt); |
| 1002 | emit_movt(imm&0xFFFF0000,rt); |
| 1003 | #endif |
| 1004 | } |
| 1005 | } |
| 1006 | void emit_pcreladdr(u_int rt) |
| 1007 | { |
| 1008 | assem_debug("add %s,pc,#?\n",regname[rt]); |
| 1009 | output_w32(0xe2800000|rd_rn_rm(rt,15,0)); |
| 1010 | } |
| 1011 | |
| 57871462 |
1012 | void emit_loadreg(int r, int hr) |
| 1013 | { |
| 3d624f89 |
1014 | if(r&64) { |
| c43b5311 |
1015 | SysPrintf("64bit load in 32bit mode!\n"); |
| 7f2607ea |
1016 | assert(0); |
| 1017 | return; |
| 3d624f89 |
1018 | } |
| 57871462 |
1019 | if((r&63)==0) |
| 1020 | emit_zeroreg(hr); |
| 1021 | else { |
| 3d624f89 |
1022 | int addr=((int)reg)+((r&63)<<REG_SHIFT)+((r&64)>>4); |
| 57871462 |
1023 | if((r&63)==HIREG) addr=(int)&hi+((r&64)>>4); |
| 1024 | if((r&63)==LOREG) addr=(int)&lo+((r&64)>>4); |
| 1025 | if(r==CCREG) addr=(int)&cycle_count; |
| 1026 | if(r==CSREG) addr=(int)&Status; |
| 1027 | if(r==FSREG) addr=(int)&FCR31; |
| 1028 | if(r==INVCP) addr=(int)&invc_ptr; |
| 1029 | u_int offset = addr-(u_int)&dynarec_local; |
| 1030 | assert(offset<4096); |
| 1031 | assem_debug("ldr %s,fp+%d\n",regname[hr],offset); |
| 1032 | output_w32(0xe5900000|rd_rn_rm(hr,FP,0)|offset); |
| 1033 | } |
| 1034 | } |
| 1035 | void emit_storereg(int r, int hr) |
| 1036 | { |
| 3d624f89 |
1037 | if(r&64) { |
| c43b5311 |
1038 | SysPrintf("64bit store in 32bit mode!\n"); |
| 7f2607ea |
1039 | assert(0); |
| 1040 | return; |
| 3d624f89 |
1041 | } |
| 3d624f89 |
1042 | int addr=((int)reg)+((r&63)<<REG_SHIFT)+((r&64)>>4); |
| 57871462 |
1043 | if((r&63)==HIREG) addr=(int)&hi+((r&64)>>4); |
| 1044 | if((r&63)==LOREG) addr=(int)&lo+((r&64)>>4); |
| 1045 | if(r==CCREG) addr=(int)&cycle_count; |
| 1046 | if(r==FSREG) addr=(int)&FCR31; |
| 1047 | u_int offset = addr-(u_int)&dynarec_local; |
| 1048 | assert(offset<4096); |
| 1049 | assem_debug("str %s,fp+%d\n",regname[hr],offset); |
| 1050 | output_w32(0xe5800000|rd_rn_rm(hr,FP,0)|offset); |
| 1051 | } |
| 1052 | |
| 1053 | void emit_test(int rs, int rt) |
| 1054 | { |
| 1055 | assem_debug("tst %s,%s\n",regname[rs],regname[rt]); |
| 1056 | output_w32(0xe1100000|rd_rn_rm(0,rs,rt)); |
| 1057 | } |
| 1058 | |
| 1059 | void emit_testimm(int rs,int imm) |
| 1060 | { |
| 1061 | u_int armval; |
| 5a05d80c |
1062 | assem_debug("tst %s,#%d\n",regname[rs],imm); |
| cfbd3c6e |
1063 | genimm_checked(imm,&armval); |
| 57871462 |
1064 | output_w32(0xe3100000|rd_rn_rm(0,rs,0)|armval); |
| 1065 | } |
| 1066 | |
| b9b61529 |
1067 | void emit_testeqimm(int rs,int imm) |
| 1068 | { |
| 1069 | u_int armval; |
| 1070 | assem_debug("tsteq %s,$%d\n",regname[rs],imm); |
| cfbd3c6e |
1071 | genimm_checked(imm,&armval); |
| b9b61529 |
1072 | output_w32(0x03100000|rd_rn_rm(0,rs,0)|armval); |
| 1073 | } |
| 1074 | |
| 57871462 |
1075 | void emit_not(int rs,int rt) |
| 1076 | { |
| 1077 | assem_debug("mvn %s,%s\n",regname[rt],regname[rs]); |
| 1078 | output_w32(0xe1e00000|rd_rn_rm(rt,0,rs)); |
| 1079 | } |
| 1080 | |
| b9b61529 |
1081 | void emit_mvnmi(int rs,int rt) |
| 1082 | { |
| 1083 | assem_debug("mvnmi %s,%s\n",regname[rt],regname[rs]); |
| 1084 | output_w32(0x41e00000|rd_rn_rm(rt,0,rs)); |
| 1085 | } |
| 1086 | |
| 57871462 |
1087 | void emit_and(u_int rs1,u_int rs2,u_int rt) |
| 1088 | { |
| 1089 | assem_debug("and %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1090 | output_w32(0xe0000000|rd_rn_rm(rt,rs1,rs2)); |
| 1091 | } |
| 1092 | |
| 1093 | void emit_or(u_int rs1,u_int rs2,u_int rt) |
| 1094 | { |
| 1095 | assem_debug("orr %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1096 | output_w32(0xe1800000|rd_rn_rm(rt,rs1,rs2)); |
| 1097 | } |
| 1098 | void emit_or_and_set_flags(int rs1,int rs2,int rt) |
| 1099 | { |
| 1100 | assem_debug("orrs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1101 | output_w32(0xe1900000|rd_rn_rm(rt,rs1,rs2)); |
| 1102 | } |
| 1103 | |
| f70d384d |
1104 | void emit_orrshl_imm(u_int rs,u_int imm,u_int rt) |
| 1105 | { |
| 1106 | assert(rs<16); |
| 1107 | assert(rt<16); |
| 1108 | assert(imm<32); |
| 1109 | assem_debug("orr %s,%s,%s,lsl #%d\n",regname[rt],regname[rt],regname[rs],imm); |
| 1110 | output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|(imm<<7)); |
| 1111 | } |
| 1112 | |
| 576bbd8f |
1113 | void emit_orrshr_imm(u_int rs,u_int imm,u_int rt) |
| 1114 | { |
| 1115 | assert(rs<16); |
| 1116 | assert(rt<16); |
| 1117 | assert(imm<32); |
| 1118 | assem_debug("orr %s,%s,%s,lsr #%d\n",regname[rt],regname[rt],regname[rs],imm); |
| 1119 | output_w32(0xe1800020|rd_rn_rm(rt,rt,rs)|(imm<<7)); |
| 1120 | } |
| 1121 | |
| 57871462 |
1122 | void emit_xor(u_int rs1,u_int rs2,u_int rt) |
| 1123 | { |
| 1124 | assem_debug("eor %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1125 | output_w32(0xe0200000|rd_rn_rm(rt,rs1,rs2)); |
| 1126 | } |
| 1127 | |
| 57871462 |
1128 | void emit_addimm(u_int rs,int imm,u_int rt) |
| 1129 | { |
| 1130 | assert(rs<16); |
| 1131 | assert(rt<16); |
| 1132 | if(imm!=0) { |
| 57871462 |
1133 | u_int armval; |
| 1134 | if(genimm(imm,&armval)) { |
| 1135 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1136 | output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval); |
| 1137 | }else if(genimm(-imm,&armval)) { |
| 8a0a8423 |
1138 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],-imm); |
| 57871462 |
1139 | output_w32(0xe2400000|rd_rn_rm(rt,rs,0)|armval); |
| 397614d0 |
1140 | #ifdef HAVE_ARMV7 |
| 1141 | }else if(rt!=rs&&(u_int)imm<65536) { |
| 1142 | emit_movw(imm&0x0000ffff,rt); |
| 1143 | emit_add(rs,rt,rt); |
| 1144 | }else if(rt!=rs&&(u_int)-imm<65536) { |
| 1145 | emit_movw(-imm&0x0000ffff,rt); |
| 1146 | emit_sub(rs,rt,rt); |
| 1147 | #endif |
| 1148 | }else if((u_int)-imm<65536) { |
| 57871462 |
1149 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],(-imm)&0xFF00); |
| 1150 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF); |
| 1151 | output_w32(0xe2400000|rd_rn_imm_shift(rt,rs,(-imm)>>8,8)); |
| 1152 | output_w32(0xe2400000|rd_rn_imm_shift(rt,rt,(-imm)&0xff,0)); |
| 397614d0 |
1153 | }else { |
| 1154 | do { |
| 1155 | int shift = (ffs(imm) - 1) & ~1; |
| 1156 | int imm8 = imm & (0xff << shift); |
| 1157 | genimm_checked(imm8,&armval); |
| 1158 | assem_debug("add %s,%s,#0x%x\n",regname[rt],regname[rs],imm8); |
| 1159 | output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval); |
| 1160 | rs = rt; |
| 1161 | imm &= ~imm8; |
| 1162 | } |
| 1163 | while (imm != 0); |
| 57871462 |
1164 | } |
| 1165 | } |
| 1166 | else if(rs!=rt) emit_mov(rs,rt); |
| 1167 | } |
| 1168 | |
| 1169 | void emit_addimm_and_set_flags(int imm,int rt) |
| 1170 | { |
| 1171 | assert(imm>-65536&&imm<65536); |
| 1172 | u_int armval; |
| 1173 | if(genimm(imm,&armval)) { |
| 1174 | assem_debug("adds %s,%s,#%d\n",regname[rt],regname[rt],imm); |
| 1175 | output_w32(0xe2900000|rd_rn_rm(rt,rt,0)|armval); |
| 1176 | }else if(genimm(-imm,&armval)) { |
| 1177 | assem_debug("subs %s,%s,#%d\n",regname[rt],regname[rt],imm); |
| 1178 | output_w32(0xe2500000|rd_rn_rm(rt,rt,0)|armval); |
| 1179 | }else if(imm<0) { |
| 1180 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF00); |
| 1181 | assem_debug("subs %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF); |
| 1182 | output_w32(0xe2400000|rd_rn_imm_shift(rt,rt,(-imm)>>8,8)); |
| 1183 | output_w32(0xe2500000|rd_rn_imm_shift(rt,rt,(-imm)&0xff,0)); |
| 1184 | }else{ |
| 1185 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF00); |
| 1186 | assem_debug("adds %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF); |
| 1187 | output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm>>8,8)); |
| 1188 | output_w32(0xe2900000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
| 1189 | } |
| 1190 | } |
| 1191 | void emit_addimm_no_flags(u_int imm,u_int rt) |
| 1192 | { |
| 1193 | emit_addimm(rt,imm,rt); |
| 1194 | } |
| 1195 | |
| 1196 | void emit_addnop(u_int r) |
| 1197 | { |
| 1198 | assert(r<16); |
| 1199 | assem_debug("add %s,%s,#0 (nop)\n",regname[r],regname[r]); |
| 1200 | output_w32(0xe2800000|rd_rn_rm(r,r,0)); |
| 1201 | } |
| 1202 | |
| 1203 | void emit_adcimm(u_int rs,int imm,u_int rt) |
| 1204 | { |
| 1205 | u_int armval; |
| cfbd3c6e |
1206 | genimm_checked(imm,&armval); |
| 57871462 |
1207 | assem_debug("adc %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1208 | output_w32(0xe2a00000|rd_rn_rm(rt,rs,0)|armval); |
| 1209 | } |
| 1210 | /*void emit_sbcimm(int imm,u_int rt) |
| 1211 | { |
| 1212 | u_int armval; |
| cfbd3c6e |
1213 | genimm_checked(imm,&armval); |
| 57871462 |
1214 | assem_debug("sbc %s,%s,#%d\n",regname[rt],regname[rt],imm); |
| 1215 | output_w32(0xe2c00000|rd_rn_rm(rt,rt,0)|armval); |
| 1216 | }*/ |
| 1217 | void emit_sbbimm(int imm,u_int rt) |
| 1218 | { |
| 1219 | assem_debug("sbb $%d,%%%s\n",imm,regname[rt]); |
| 1220 | assert(rt<8); |
| 1221 | if(imm<128&&imm>=-128) { |
| 1222 | output_byte(0x83); |
| 1223 | output_modrm(3,rt,3); |
| 1224 | output_byte(imm); |
| 1225 | } |
| 1226 | else |
| 1227 | { |
| 1228 | output_byte(0x81); |
| 1229 | output_modrm(3,rt,3); |
| 1230 | output_w32(imm); |
| 1231 | } |
| 1232 | } |
| 1233 | void emit_rscimm(int rs,int imm,u_int rt) |
| 1234 | { |
| 1235 | assert(0); |
| 1236 | u_int armval; |
| cfbd3c6e |
1237 | genimm_checked(imm,&armval); |
| 57871462 |
1238 | assem_debug("rsc %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1239 | output_w32(0xe2e00000|rd_rn_rm(rt,rs,0)|armval); |
| 1240 | } |
| 1241 | |
| 1242 | void emit_addimm64_32(int rsh,int rsl,int imm,int rth,int rtl) |
| 1243 | { |
| 1244 | // TODO: if(genimm(imm,&armval)) ... |
| 1245 | // else |
| 1246 | emit_movimm(imm,HOST_TEMPREG); |
| 1247 | emit_adds(HOST_TEMPREG,rsl,rtl); |
| 1248 | emit_adcimm(rsh,0,rth); |
| 1249 | } |
| 1250 | |
| 1251 | void emit_sbb(int rs1,int rs2) |
| 1252 | { |
| 1253 | assem_debug("sbb %%%s,%%%s\n",regname[rs2],regname[rs1]); |
| 1254 | output_byte(0x19); |
| 1255 | output_modrm(3,rs1,rs2); |
| 1256 | } |
| 1257 | |
| 1258 | void emit_andimm(int rs,int imm,int rt) |
| 1259 | { |
| 1260 | u_int armval; |
| 790ee18e |
1261 | if(imm==0) { |
| 1262 | emit_zeroreg(rt); |
| 1263 | }else if(genimm(imm,&armval)) { |
| 57871462 |
1264 | assem_debug("and %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1265 | output_w32(0xe2000000|rd_rn_rm(rt,rs,0)|armval); |
| 1266 | }else if(genimm(~imm,&armval)) { |
| 1267 | assem_debug("bic %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1268 | output_w32(0xe3c00000|rd_rn_rm(rt,rs,0)|armval); |
| 1269 | }else if(imm==65535) { |
| 332a4533 |
1270 | #ifndef HAVE_ARMV6 |
| 57871462 |
1271 | assem_debug("bic %s,%s,#FF000000\n",regname[rt],regname[rs]); |
| 1272 | output_w32(0xe3c00000|rd_rn_rm(rt,rs,0)|0x4FF); |
| 1273 | assem_debug("bic %s,%s,#00FF0000\n",regname[rt],regname[rt]); |
| 1274 | output_w32(0xe3c00000|rd_rn_rm(rt,rt,0)|0x8FF); |
| 1275 | #else |
| 1276 | assem_debug("uxth %s,%s\n",regname[rt],regname[rs]); |
| 1277 | output_w32(0xe6ff0070|rd_rn_rm(rt,0,rs)); |
| 1278 | #endif |
| 1279 | }else{ |
| 1280 | assert(imm>0&&imm<65535); |
| 665f33e1 |
1281 | #ifndef HAVE_ARMV7 |
| 57871462 |
1282 | assem_debug("mov r14,#%d\n",imm&0xFF00); |
| 1283 | output_w32(0xe3a00000|rd_rn_imm_shift(HOST_TEMPREG,0,imm>>8,8)); |
| 1284 | assem_debug("add r14,r14,#%d\n",imm&0xFF); |
| 1285 | output_w32(0xe2800000|rd_rn_imm_shift(HOST_TEMPREG,HOST_TEMPREG,imm&0xff,0)); |
| 1286 | #else |
| 1287 | emit_movw(imm,HOST_TEMPREG); |
| 1288 | #endif |
| 1289 | assem_debug("and %s,%s,r14\n",regname[rt],regname[rs]); |
| 1290 | output_w32(0xe0000000|rd_rn_rm(rt,rs,HOST_TEMPREG)); |
| 1291 | } |
| 1292 | } |
| 1293 | |
| 1294 | void emit_orimm(int rs,int imm,int rt) |
| 1295 | { |
| 1296 | u_int armval; |
| 790ee18e |
1297 | if(imm==0) { |
| 1298 | if(rs!=rt) emit_mov(rs,rt); |
| 1299 | }else if(genimm(imm,&armval)) { |
| 57871462 |
1300 | assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1301 | output_w32(0xe3800000|rd_rn_rm(rt,rs,0)|armval); |
| 1302 | }else{ |
| 1303 | assert(imm>0&&imm<65536); |
| 1304 | assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00); |
| 1305 | assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF); |
| 1306 | output_w32(0xe3800000|rd_rn_imm_shift(rt,rs,imm>>8,8)); |
| 1307 | output_w32(0xe3800000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
| 1308 | } |
| 1309 | } |
| 1310 | |
| 1311 | void emit_xorimm(int rs,int imm,int rt) |
| 1312 | { |
| 57871462 |
1313 | u_int armval; |
| 790ee18e |
1314 | if(imm==0) { |
| 1315 | if(rs!=rt) emit_mov(rs,rt); |
| 1316 | }else if(genimm(imm,&armval)) { |
| 57871462 |
1317 | assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1318 | output_w32(0xe2200000|rd_rn_rm(rt,rs,0)|armval); |
| 1319 | }else{ |
| 514ed0d9 |
1320 | assert(imm>0&&imm<65536); |
| 57871462 |
1321 | assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00); |
| 1322 | assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF); |
| 1323 | output_w32(0xe2200000|rd_rn_imm_shift(rt,rs,imm>>8,8)); |
| 1324 | output_w32(0xe2200000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
| 1325 | } |
| 1326 | } |
| 1327 | |
| 1328 | void emit_shlimm(int rs,u_int imm,int rt) |
| 1329 | { |
| 1330 | assert(imm>0); |
| 1331 | assert(imm<32); |
| 1332 | //if(imm==1) ... |
| 1333 | assem_debug("lsl %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1334 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|(imm<<7)); |
| 1335 | } |
| 1336 | |
| c6c3b1b3 |
1337 | void emit_lsls_imm(int rs,int imm,int rt) |
| 1338 | { |
| 1339 | assert(imm>0); |
| 1340 | assert(imm<32); |
| 1341 | assem_debug("lsls %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1342 | output_w32(0xe1b00000|rd_rn_rm(rt,0,rs)|(imm<<7)); |
| 1343 | } |
| 1344 | |
| 665f33e1 |
1345 | void emit_lslpls_imm(int rs,int imm,int rt) |
| 1346 | { |
| 1347 | assert(imm>0); |
| 1348 | assert(imm<32); |
| 1349 | assem_debug("lslpls %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1350 | output_w32(0x51b00000|rd_rn_rm(rt,0,rs)|(imm<<7)); |
| 1351 | } |
| 1352 | |
| 57871462 |
1353 | void emit_shrimm(int rs,u_int imm,int rt) |
| 1354 | { |
| 1355 | assert(imm>0); |
| 1356 | assert(imm<32); |
| 1357 | assem_debug("lsr %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1358 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7)); |
| 1359 | } |
| 1360 | |
| 1361 | void emit_sarimm(int rs,u_int imm,int rt) |
| 1362 | { |
| 1363 | assert(imm>0); |
| 1364 | assert(imm<32); |
| 1365 | assem_debug("asr %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1366 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x40|(imm<<7)); |
| 1367 | } |
| 1368 | |
| 1369 | void emit_rorimm(int rs,u_int imm,int rt) |
| 1370 | { |
| 1371 | assert(imm>0); |
| 1372 | assert(imm<32); |
| 1373 | assem_debug("ror %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1374 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x60|(imm<<7)); |
| 1375 | } |
| 1376 | |
| 1377 | void emit_shldimm(int rs,int rs2,u_int imm,int rt) |
| 1378 | { |
| 1379 | assem_debug("shld %%%s,%%%s,%d\n",regname[rt],regname[rs2],imm); |
| 1380 | assert(imm>0); |
| 1381 | assert(imm<32); |
| 1382 | //if(imm==1) ... |
| 1383 | assem_debug("lsl %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1384 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|(imm<<7)); |
| 1385 | assem_debug("orr %s,%s,%s,lsr #%d\n",regname[rt],regname[rt],regname[rs2],32-imm); |
| 1386 | output_w32(0xe1800020|rd_rn_rm(rt,rt,rs2)|((32-imm)<<7)); |
| 1387 | } |
| 1388 | |
| 1389 | void emit_shrdimm(int rs,int rs2,u_int imm,int rt) |
| 1390 | { |
| 1391 | assem_debug("shrd %%%s,%%%s,%d\n",regname[rt],regname[rs2],imm); |
| 1392 | assert(imm>0); |
| 1393 | assert(imm<32); |
| 1394 | //if(imm==1) ... |
| 1395 | assem_debug("lsr %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1396 | output_w32(0xe1a00020|rd_rn_rm(rt,0,rs)|(imm<<7)); |
| 1397 | assem_debug("orr %s,%s,%s,lsl #%d\n",regname[rt],regname[rt],regname[rs2],32-imm); |
| 1398 | output_w32(0xe1800000|rd_rn_rm(rt,rt,rs2)|((32-imm)<<7)); |
| 1399 | } |
| 1400 | |
| b9b61529 |
1401 | void emit_signextend16(int rs,int rt) |
| 1402 | { |
| 332a4533 |
1403 | #ifndef HAVE_ARMV6 |
| b9b61529 |
1404 | emit_shlimm(rs,16,rt); |
| 1405 | emit_sarimm(rt,16,rt); |
| 1406 | #else |
| 1407 | assem_debug("sxth %s,%s\n",regname[rt],regname[rs]); |
| 1408 | output_w32(0xe6bf0070|rd_rn_rm(rt,0,rs)); |
| 1409 | #endif |
| 1410 | } |
| 1411 | |
| c6c3b1b3 |
1412 | void emit_signextend8(int rs,int rt) |
| 1413 | { |
| 332a4533 |
1414 | #ifndef HAVE_ARMV6 |
| c6c3b1b3 |
1415 | emit_shlimm(rs,24,rt); |
| 1416 | emit_sarimm(rt,24,rt); |
| 1417 | #else |
| 1418 | assem_debug("sxtb %s,%s\n",regname[rt],regname[rs]); |
| 1419 | output_w32(0xe6af0070|rd_rn_rm(rt,0,rs)); |
| 1420 | #endif |
| 1421 | } |
| 1422 | |
| 57871462 |
1423 | void emit_shl(u_int rs,u_int shift,u_int rt) |
| 1424 | { |
| 1425 | assert(rs<16); |
| 1426 | assert(rt<16); |
| 1427 | assert(shift<16); |
| 1428 | //if(imm==1) ... |
| 1429 | assem_debug("lsl %s,%s,%s\n",regname[rt],regname[rs],regname[shift]); |
| 1430 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x10|(shift<<8)); |
| 1431 | } |
| 1432 | void emit_shr(u_int rs,u_int shift,u_int rt) |
| 1433 | { |
| 1434 | assert(rs<16); |
| 1435 | assert(rt<16); |
| 1436 | assert(shift<16); |
| 1437 | assem_debug("lsr %s,%s,%s\n",regname[rt],regname[rs],regname[shift]); |
| 1438 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x30|(shift<<8)); |
| 1439 | } |
| 1440 | void emit_sar(u_int rs,u_int shift,u_int rt) |
| 1441 | { |
| 1442 | assert(rs<16); |
| 1443 | assert(rt<16); |
| 1444 | assert(shift<16); |
| 1445 | assem_debug("asr %s,%s,%s\n",regname[rt],regname[rs],regname[shift]); |
| 1446 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x50|(shift<<8)); |
| 1447 | } |
| 1448 | void emit_shlcl(int r) |
| 1449 | { |
| 1450 | assem_debug("shl %%%s,%%cl\n",regname[r]); |
| 1451 | assert(0); |
| 1452 | } |
| 1453 | void emit_shrcl(int r) |
| 1454 | { |
| 1455 | assem_debug("shr %%%s,%%cl\n",regname[r]); |
| 1456 | assert(0); |
| 1457 | } |
| 1458 | void emit_sarcl(int r) |
| 1459 | { |
| 1460 | assem_debug("sar %%%s,%%cl\n",regname[r]); |
| 1461 | assert(0); |
| 1462 | } |
| 1463 | |
| 1464 | void emit_shldcl(int r1,int r2) |
| 1465 | { |
| 1466 | assem_debug("shld %%%s,%%%s,%%cl\n",regname[r1],regname[r2]); |
| 1467 | assert(0); |
| 1468 | } |
| 1469 | void emit_shrdcl(int r1,int r2) |
| 1470 | { |
| 1471 | assem_debug("shrd %%%s,%%%s,%%cl\n",regname[r1],regname[r2]); |
| 1472 | assert(0); |
| 1473 | } |
| 1474 | void emit_orrshl(u_int rs,u_int shift,u_int rt) |
| 1475 | { |
| 1476 | assert(rs<16); |
| 1477 | assert(rt<16); |
| 1478 | assert(shift<16); |
| 1479 | assem_debug("orr %s,%s,%s,lsl %s\n",regname[rt],regname[rt],regname[rs],regname[shift]); |
| 1480 | output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|0x10|(shift<<8)); |
| 1481 | } |
| 1482 | void emit_orrshr(u_int rs,u_int shift,u_int rt) |
| 1483 | { |
| 1484 | assert(rs<16); |
| 1485 | assert(rt<16); |
| 1486 | assert(shift<16); |
| 1487 | assem_debug("orr %s,%s,%s,lsr %s\n",regname[rt],regname[rt],regname[rs],regname[shift]); |
| 1488 | output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|0x30|(shift<<8)); |
| 1489 | } |
| 1490 | |
| 1491 | void emit_cmpimm(int rs,int imm) |
| 1492 | { |
| 1493 | u_int armval; |
| 1494 | if(genimm(imm,&armval)) { |
| 5a05d80c |
1495 | assem_debug("cmp %s,#%d\n",regname[rs],imm); |
| 57871462 |
1496 | output_w32(0xe3500000|rd_rn_rm(0,rs,0)|armval); |
| 1497 | }else if(genimm(-imm,&armval)) { |
| 5a05d80c |
1498 | assem_debug("cmn %s,#%d\n",regname[rs],imm); |
| 57871462 |
1499 | output_w32(0xe3700000|rd_rn_rm(0,rs,0)|armval); |
| 1500 | }else if(imm>0) { |
| 1501 | assert(imm<65536); |
| 57871462 |
1502 | emit_movimm(imm,HOST_TEMPREG); |
| 57871462 |
1503 | assem_debug("cmp %s,r14\n",regname[rs]); |
| 1504 | output_w32(0xe1500000|rd_rn_rm(0,rs,HOST_TEMPREG)); |
| 1505 | }else{ |
| 1506 | assert(imm>-65536); |
| 57871462 |
1507 | emit_movimm(-imm,HOST_TEMPREG); |
| 57871462 |
1508 | assem_debug("cmn %s,r14\n",regname[rs]); |
| 1509 | output_w32(0xe1700000|rd_rn_rm(0,rs,HOST_TEMPREG)); |
| 1510 | } |
| 1511 | } |
| 1512 | |
| 1513 | void emit_cmovne(u_int *addr,int rt) |
| 1514 | { |
| 1515 | assem_debug("cmovne %x,%%%s",(int)addr,regname[rt]); |
| 1516 | assert(0); |
| 1517 | } |
| 1518 | void emit_cmovl(u_int *addr,int rt) |
| 1519 | { |
| 1520 | assem_debug("cmovl %x,%%%s",(int)addr,regname[rt]); |
| 1521 | assert(0); |
| 1522 | } |
| 1523 | void emit_cmovs(u_int *addr,int rt) |
| 1524 | { |
| 1525 | assem_debug("cmovs %x,%%%s",(int)addr,regname[rt]); |
| 1526 | assert(0); |
| 1527 | } |
| 1528 | void emit_cmovne_imm(int imm,int rt) |
| 1529 | { |
| 1530 | assem_debug("movne %s,#%d\n",regname[rt],imm); |
| 1531 | u_int armval; |
| cfbd3c6e |
1532 | genimm_checked(imm,&armval); |
| 57871462 |
1533 | output_w32(0x13a00000|rd_rn_rm(rt,0,0)|armval); |
| 1534 | } |
| 1535 | void emit_cmovl_imm(int imm,int rt) |
| 1536 | { |
| 1537 | assem_debug("movlt %s,#%d\n",regname[rt],imm); |
| 1538 | u_int armval; |
| cfbd3c6e |
1539 | genimm_checked(imm,&armval); |
| 57871462 |
1540 | output_w32(0xb3a00000|rd_rn_rm(rt,0,0)|armval); |
| 1541 | } |
| 1542 | void emit_cmovb_imm(int imm,int rt) |
| 1543 | { |
| 1544 | assem_debug("movcc %s,#%d\n",regname[rt],imm); |
| 1545 | u_int armval; |
| cfbd3c6e |
1546 | genimm_checked(imm,&armval); |
| 57871462 |
1547 | output_w32(0x33a00000|rd_rn_rm(rt,0,0)|armval); |
| 1548 | } |
| 1549 | void emit_cmovs_imm(int imm,int rt) |
| 1550 | { |
| 1551 | assem_debug("movmi %s,#%d\n",regname[rt],imm); |
| 1552 | u_int armval; |
| cfbd3c6e |
1553 | genimm_checked(imm,&armval); |
| 57871462 |
1554 | output_w32(0x43a00000|rd_rn_rm(rt,0,0)|armval); |
| 1555 | } |
| 1556 | void emit_cmove_reg(int rs,int rt) |
| 1557 | { |
| 1558 | assem_debug("moveq %s,%s\n",regname[rt],regname[rs]); |
| 1559 | output_w32(0x01a00000|rd_rn_rm(rt,0,rs)); |
| 1560 | } |
| 1561 | void emit_cmovne_reg(int rs,int rt) |
| 1562 | { |
| 1563 | assem_debug("movne %s,%s\n",regname[rt],regname[rs]); |
| 1564 | output_w32(0x11a00000|rd_rn_rm(rt,0,rs)); |
| 1565 | } |
| 1566 | void emit_cmovl_reg(int rs,int rt) |
| 1567 | { |
| 1568 | assem_debug("movlt %s,%s\n",regname[rt],regname[rs]); |
| 1569 | output_w32(0xb1a00000|rd_rn_rm(rt,0,rs)); |
| 1570 | } |
| 1571 | void emit_cmovs_reg(int rs,int rt) |
| 1572 | { |
| 1573 | assem_debug("movmi %s,%s\n",regname[rt],regname[rs]); |
| 1574 | output_w32(0x41a00000|rd_rn_rm(rt,0,rs)); |
| 1575 | } |
| 1576 | |
| 1577 | void emit_slti32(int rs,int imm,int rt) |
| 1578 | { |
| 1579 | if(rs!=rt) emit_zeroreg(rt); |
| 1580 | emit_cmpimm(rs,imm); |
| 1581 | if(rs==rt) emit_movimm(0,rt); |
| 1582 | emit_cmovl_imm(1,rt); |
| 1583 | } |
| 1584 | void emit_sltiu32(int rs,int imm,int rt) |
| 1585 | { |
| 1586 | if(rs!=rt) emit_zeroreg(rt); |
| 1587 | emit_cmpimm(rs,imm); |
| 1588 | if(rs==rt) emit_movimm(0,rt); |
| 1589 | emit_cmovb_imm(1,rt); |
| 1590 | } |
| 1591 | void emit_slti64_32(int rsh,int rsl,int imm,int rt) |
| 1592 | { |
| 1593 | assert(rsh!=rt); |
| 1594 | emit_slti32(rsl,imm,rt); |
| 1595 | if(imm>=0) |
| 1596 | { |
| 1597 | emit_test(rsh,rsh); |
| 1598 | emit_cmovne_imm(0,rt); |
| 1599 | emit_cmovs_imm(1,rt); |
| 1600 | } |
| 1601 | else |
| 1602 | { |
| 1603 | emit_cmpimm(rsh,-1); |
| 1604 | emit_cmovne_imm(0,rt); |
| 1605 | emit_cmovl_imm(1,rt); |
| 1606 | } |
| 1607 | } |
| 1608 | void emit_sltiu64_32(int rsh,int rsl,int imm,int rt) |
| 1609 | { |
| 1610 | assert(rsh!=rt); |
| 1611 | emit_sltiu32(rsl,imm,rt); |
| 1612 | if(imm>=0) |
| 1613 | { |
| 1614 | emit_test(rsh,rsh); |
| 1615 | emit_cmovne_imm(0,rt); |
| 1616 | } |
| 1617 | else |
| 1618 | { |
| 1619 | emit_cmpimm(rsh,-1); |
| 1620 | emit_cmovne_imm(1,rt); |
| 1621 | } |
| 1622 | } |
| 1623 | |
| 1624 | void emit_cmp(int rs,int rt) |
| 1625 | { |
| 1626 | assem_debug("cmp %s,%s\n",regname[rs],regname[rt]); |
| 1627 | output_w32(0xe1500000|rd_rn_rm(0,rs,rt)); |
| 1628 | } |
| 1629 | void emit_set_gz32(int rs, int rt) |
| 1630 | { |
| 1631 | //assem_debug("set_gz32\n"); |
| 1632 | emit_cmpimm(rs,1); |
| 1633 | emit_movimm(1,rt); |
| 1634 | emit_cmovl_imm(0,rt); |
| 1635 | } |
| 1636 | void emit_set_nz32(int rs, int rt) |
| 1637 | { |
| 1638 | //assem_debug("set_nz32\n"); |
| 1639 | if(rs!=rt) emit_movs(rs,rt); |
| 1640 | else emit_test(rs,rs); |
| 1641 | emit_cmovne_imm(1,rt); |
| 1642 | } |
| 1643 | void emit_set_gz64_32(int rsh, int rsl, int rt) |
| 1644 | { |
| 1645 | //assem_debug("set_gz64\n"); |
| 1646 | emit_set_gz32(rsl,rt); |
| 1647 | emit_test(rsh,rsh); |
| 1648 | emit_cmovne_imm(1,rt); |
| 1649 | emit_cmovs_imm(0,rt); |
| 1650 | } |
| 1651 | void emit_set_nz64_32(int rsh, int rsl, int rt) |
| 1652 | { |
| 1653 | //assem_debug("set_nz64\n"); |
| 1654 | emit_or_and_set_flags(rsh,rsl,rt); |
| 1655 | emit_cmovne_imm(1,rt); |
| 1656 | } |
| 1657 | void emit_set_if_less32(int rs1, int rs2, int rt) |
| 1658 | { |
| 1659 | //assem_debug("set if less (%%%s,%%%s),%%%s\n",regname[rs1],regname[rs2],regname[rt]); |
| 1660 | if(rs1!=rt&&rs2!=rt) emit_zeroreg(rt); |
| 1661 | emit_cmp(rs1,rs2); |
| 1662 | if(rs1==rt||rs2==rt) emit_movimm(0,rt); |
| 1663 | emit_cmovl_imm(1,rt); |
| 1664 | } |
| 1665 | void emit_set_if_carry32(int rs1, int rs2, int rt) |
| 1666 | { |
| 1667 | //assem_debug("set if carry (%%%s,%%%s),%%%s\n",regname[rs1],regname[rs2],regname[rt]); |
| 1668 | if(rs1!=rt&&rs2!=rt) emit_zeroreg(rt); |
| 1669 | emit_cmp(rs1,rs2); |
| 1670 | if(rs1==rt||rs2==rt) emit_movimm(0,rt); |
| 1671 | emit_cmovb_imm(1,rt); |
| 1672 | } |
| 1673 | void emit_set_if_less64_32(int u1, int l1, int u2, int l2, int rt) |
| 1674 | { |
| 1675 | //assem_debug("set if less64 (%%%s,%%%s,%%%s,%%%s),%%%s\n",regname[u1],regname[l1],regname[u2],regname[l2],regname[rt]); |
| 1676 | assert(u1!=rt); |
| 1677 | assert(u2!=rt); |
| 1678 | emit_cmp(l1,l2); |
| 1679 | emit_movimm(0,rt); |
| 1680 | emit_sbcs(u1,u2,HOST_TEMPREG); |
| 1681 | emit_cmovl_imm(1,rt); |
| 1682 | } |
| 1683 | void emit_set_if_carry64_32(int u1, int l1, int u2, int l2, int rt) |
| 1684 | { |
| 1685 | //assem_debug("set if carry64 (%%%s,%%%s,%%%s,%%%s),%%%s\n",regname[u1],regname[l1],regname[u2],regname[l2],regname[rt]); |
| 1686 | assert(u1!=rt); |
| 1687 | assert(u2!=rt); |
| 1688 | emit_cmp(l1,l2); |
| 1689 | emit_movimm(0,rt); |
| 1690 | emit_sbcs(u1,u2,HOST_TEMPREG); |
| 1691 | emit_cmovb_imm(1,rt); |
| 1692 | } |
| 1693 | |
| 1694 | void emit_call(int a) |
| 1695 | { |
| 1696 | assem_debug("bl %x (%x+%x)\n",a,(int)out,a-(int)out-8); |
| 1697 | u_int offset=genjmp(a); |
| 1698 | output_w32(0xeb000000|offset); |
| 1699 | } |
| 1700 | void emit_jmp(int a) |
| 1701 | { |
| 1702 | assem_debug("b %x (%x+%x)\n",a,(int)out,a-(int)out-8); |
| 1703 | u_int offset=genjmp(a); |
| 1704 | output_w32(0xea000000|offset); |
| 1705 | } |
| 1706 | void emit_jne(int a) |
| 1707 | { |
| 1708 | assem_debug("bne %x\n",a); |
| 1709 | u_int offset=genjmp(a); |
| 1710 | output_w32(0x1a000000|offset); |
| 1711 | } |
| 1712 | void emit_jeq(int a) |
| 1713 | { |
| 1714 | assem_debug("beq %x\n",a); |
| 1715 | u_int offset=genjmp(a); |
| 1716 | output_w32(0x0a000000|offset); |
| 1717 | } |
| 1718 | void emit_js(int a) |
| 1719 | { |
| 1720 | assem_debug("bmi %x\n",a); |
| 1721 | u_int offset=genjmp(a); |
| 1722 | output_w32(0x4a000000|offset); |
| 1723 | } |
| 1724 | void emit_jns(int a) |
| 1725 | { |
| 1726 | assem_debug("bpl %x\n",a); |
| 1727 | u_int offset=genjmp(a); |
| 1728 | output_w32(0x5a000000|offset); |
| 1729 | } |
| 1730 | void emit_jl(int a) |
| 1731 | { |
| 1732 | assem_debug("blt %x\n",a); |
| 1733 | u_int offset=genjmp(a); |
| 1734 | output_w32(0xba000000|offset); |
| 1735 | } |
| 1736 | void emit_jge(int a) |
| 1737 | { |
| 1738 | assem_debug("bge %x\n",a); |
| 1739 | u_int offset=genjmp(a); |
| 1740 | output_w32(0xaa000000|offset); |
| 1741 | } |
| 1742 | void emit_jno(int a) |
| 1743 | { |
| 1744 | assem_debug("bvc %x\n",a); |
| 1745 | u_int offset=genjmp(a); |
| 1746 | output_w32(0x7a000000|offset); |
| 1747 | } |
| 1748 | void emit_jc(int a) |
| 1749 | { |
| 1750 | assem_debug("bcs %x\n",a); |
| 1751 | u_int offset=genjmp(a); |
| 1752 | output_w32(0x2a000000|offset); |
| 1753 | } |
| 1754 | void emit_jcc(int a) |
| 1755 | { |
| 1756 | assem_debug("bcc %x\n",a); |
| 1757 | u_int offset=genjmp(a); |
| 1758 | output_w32(0x3a000000|offset); |
| 1759 | } |
| 1760 | |
| 1761 | void emit_pushimm(int imm) |
| 1762 | { |
| 1763 | assem_debug("push $%x\n",imm); |
| 1764 | assert(0); |
| 1765 | } |
| 1766 | void emit_pusha() |
| 1767 | { |
| 1768 | assem_debug("pusha\n"); |
| 1769 | assert(0); |
| 1770 | } |
| 1771 | void emit_popa() |
| 1772 | { |
| 1773 | assem_debug("popa\n"); |
| 1774 | assert(0); |
| 1775 | } |
| 1776 | void emit_pushreg(u_int r) |
| 1777 | { |
| 1778 | assem_debug("push %%%s\n",regname[r]); |
| 1779 | assert(0); |
| 1780 | } |
| 1781 | void emit_popreg(u_int r) |
| 1782 | { |
| 1783 | assem_debug("pop %%%s\n",regname[r]); |
| 1784 | assert(0); |
| 1785 | } |
| 1786 | void emit_callreg(u_int r) |
| 1787 | { |
| c6c3b1b3 |
1788 | assert(r<15); |
| 1789 | assem_debug("blx %s\n",regname[r]); |
| 1790 | output_w32(0xe12fff30|r); |
| 57871462 |
1791 | } |
| 1792 | void emit_jmpreg(u_int r) |
| 1793 | { |
| 1794 | assem_debug("mov pc,%s\n",regname[r]); |
| 1795 | output_w32(0xe1a00000|rd_rn_rm(15,0,r)); |
| 1796 | } |
| 1797 | |
| 1798 | void emit_readword_indexed(int offset, int rs, int rt) |
| 1799 | { |
| 1800 | assert(offset>-4096&&offset<4096); |
| 1801 | assem_debug("ldr %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 1802 | if(offset>=0) { |
| 1803 | output_w32(0xe5900000|rd_rn_rm(rt,rs,0)|offset); |
| 1804 | }else{ |
| 1805 | output_w32(0xe5100000|rd_rn_rm(rt,rs,0)|(-offset)); |
| 1806 | } |
| 1807 | } |
| 1808 | void emit_readword_dualindexedx4(int rs1, int rs2, int rt) |
| 1809 | { |
| 1810 | assem_debug("ldr %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]); |
| 1811 | output_w32(0xe7900000|rd_rn_rm(rt,rs1,rs2)|0x100); |
| 1812 | } |
| c6c3b1b3 |
1813 | void emit_ldrcc_dualindexed(int rs1, int rs2, int rt) |
| 1814 | { |
| 1815 | assem_debug("ldrcc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1816 | output_w32(0x37900000|rd_rn_rm(rt,rs1,rs2)); |
| 1817 | } |
| 1818 | void emit_ldrccb_dualindexed(int rs1, int rs2, int rt) |
| 1819 | { |
| 1820 | assem_debug("ldrccb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1821 | output_w32(0x37d00000|rd_rn_rm(rt,rs1,rs2)); |
| 1822 | } |
| 1823 | void emit_ldrccsb_dualindexed(int rs1, int rs2, int rt) |
| 1824 | { |
| 1825 | assem_debug("ldrccsb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1826 | output_w32(0x319000d0|rd_rn_rm(rt,rs1,rs2)); |
| 1827 | } |
| 1828 | void emit_ldrcch_dualindexed(int rs1, int rs2, int rt) |
| 1829 | { |
| 1830 | assem_debug("ldrcch %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1831 | output_w32(0x319000b0|rd_rn_rm(rt,rs1,rs2)); |
| 1832 | } |
| 1833 | void emit_ldrccsh_dualindexed(int rs1, int rs2, int rt) |
| 1834 | { |
| 1835 | assem_debug("ldrccsh %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1836 | output_w32(0x319000f0|rd_rn_rm(rt,rs1,rs2)); |
| 1837 | } |
| 57871462 |
1838 | void emit_readword_indexed_tlb(int addr, int rs, int map, int rt) |
| 1839 | { |
| 1840 | if(map<0) emit_readword_indexed(addr, rs, rt); |
| 1841 | else { |
| 1842 | assert(addr==0); |
| 1843 | emit_readword_dualindexedx4(rs, map, rt); |
| 1844 | } |
| 1845 | } |
| 1846 | void emit_readdword_indexed_tlb(int addr, int rs, int map, int rh, int rl) |
| 1847 | { |
| 1848 | if(map<0) { |
| 1849 | if(rh>=0) emit_readword_indexed(addr, rs, rh); |
| 1850 | emit_readword_indexed(addr+4, rs, rl); |
| 1851 | }else{ |
| 1852 | assert(rh!=rs); |
| 1853 | if(rh>=0) emit_readword_indexed_tlb(addr, rs, map, rh); |
| 1854 | emit_addimm(map,1,map); |
| 1855 | emit_readword_indexed_tlb(addr, rs, map, rl); |
| 1856 | } |
| 1857 | } |
| 1858 | void emit_movsbl_indexed(int offset, int rs, int rt) |
| 1859 | { |
| 1860 | assert(offset>-256&&offset<256); |
| 1861 | assem_debug("ldrsb %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 1862 | if(offset>=0) { |
| 1863 | output_w32(0xe1d000d0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 1864 | }else{ |
| 1865 | output_w32(0xe15000d0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
| 1866 | } |
| 1867 | } |
| 1868 | void emit_movsbl_indexed_tlb(int addr, int rs, int map, int rt) |
| 1869 | { |
| 1870 | if(map<0) emit_movsbl_indexed(addr, rs, rt); |
| 1871 | else { |
| 1872 | if(addr==0) { |
| 1873 | emit_shlimm(map,2,map); |
| 1874 | assem_debug("ldrsb %s,%s+%s\n",regname[rt],regname[rs],regname[map]); |
| 1875 | output_w32(0xe19000d0|rd_rn_rm(rt,rs,map)); |
| 1876 | }else{ |
| 1877 | assert(addr>-256&&addr<256); |
| 1878 | assem_debug("add %s,%s,%s,lsl #2\n",regname[rt],regname[rs],regname[map]); |
| 1879 | output_w32(0xe0800000|rd_rn_rm(rt,rs,map)|(2<<7)); |
| 1880 | emit_movsbl_indexed(addr, rt, rt); |
| 1881 | } |
| 1882 | } |
| 1883 | } |
| 1884 | void emit_movswl_indexed(int offset, int rs, int rt) |
| 1885 | { |
| 1886 | assert(offset>-256&&offset<256); |
| 1887 | assem_debug("ldrsh %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 1888 | if(offset>=0) { |
| 1889 | output_w32(0xe1d000f0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 1890 | }else{ |
| 1891 | output_w32(0xe15000f0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
| 1892 | } |
| 1893 | } |
| 1894 | void emit_movzbl_indexed(int offset, int rs, int rt) |
| 1895 | { |
| 1896 | assert(offset>-4096&&offset<4096); |
| 1897 | assem_debug("ldrb %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 1898 | if(offset>=0) { |
| 1899 | output_w32(0xe5d00000|rd_rn_rm(rt,rs,0)|offset); |
| 1900 | }else{ |
| 1901 | output_w32(0xe5500000|rd_rn_rm(rt,rs,0)|(-offset)); |
| 1902 | } |
| 1903 | } |
| 1904 | void emit_movzbl_dualindexedx4(int rs1, int rs2, int rt) |
| 1905 | { |
| 1906 | assem_debug("ldrb %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]); |
| 1907 | output_w32(0xe7d00000|rd_rn_rm(rt,rs1,rs2)|0x100); |
| 1908 | } |
| 1909 | void emit_movzbl_indexed_tlb(int addr, int rs, int map, int rt) |
| 1910 | { |
| 1911 | if(map<0) emit_movzbl_indexed(addr, rs, rt); |
| 1912 | else { |
| 1913 | if(addr==0) { |
| 1914 | emit_movzbl_dualindexedx4(rs, map, rt); |
| 1915 | }else{ |
| 1916 | emit_addimm(rs,addr,rt); |
| 1917 | emit_movzbl_dualindexedx4(rt, map, rt); |
| 1918 | } |
| 1919 | } |
| 1920 | } |
| 1921 | void emit_movzwl_indexed(int offset, int rs, int rt) |
| 1922 | { |
| 1923 | assert(offset>-256&&offset<256); |
| 1924 | assem_debug("ldrh %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 1925 | if(offset>=0) { |
| 1926 | output_w32(0xe1d000b0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 1927 | }else{ |
| 1928 | output_w32(0xe15000b0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
| 1929 | } |
| 1930 | } |
| 054175e9 |
1931 | static void emit_ldrd(int offset, int rs, int rt) |
| 1932 | { |
| 1933 | assert(offset>-256&&offset<256); |
| 1934 | assem_debug("ldrd %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 1935 | if(offset>=0) { |
| 1936 | output_w32(0xe1c000d0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 1937 | }else{ |
| 1938 | output_w32(0xe14000d0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
| 1939 | } |
| 1940 | } |
| 57871462 |
1941 | void emit_readword(int addr, int rt) |
| 1942 | { |
| 1943 | u_int offset = addr-(u_int)&dynarec_local; |
| 1944 | assert(offset<4096); |
| 1945 | assem_debug("ldr %s,fp+%d\n",regname[rt],offset); |
| 1946 | output_w32(0xe5900000|rd_rn_rm(rt,FP,0)|offset); |
| 1947 | } |
| 1948 | void emit_movsbl(int addr, int rt) |
| 1949 | { |
| 1950 | u_int offset = addr-(u_int)&dynarec_local; |
| 1951 | assert(offset<256); |
| 1952 | assem_debug("ldrsb %s,fp+%d\n",regname[rt],offset); |
| 1953 | output_w32(0xe1d000d0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 1954 | } |
| 1955 | void emit_movswl(int addr, int rt) |
| 1956 | { |
| 1957 | u_int offset = addr-(u_int)&dynarec_local; |
| 1958 | assert(offset<256); |
| 1959 | assem_debug("ldrsh %s,fp+%d\n",regname[rt],offset); |
| 1960 | output_w32(0xe1d000f0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 1961 | } |
| 1962 | void emit_movzbl(int addr, int rt) |
| 1963 | { |
| 1964 | u_int offset = addr-(u_int)&dynarec_local; |
| 1965 | assert(offset<4096); |
| 1966 | assem_debug("ldrb %s,fp+%d\n",regname[rt],offset); |
| 1967 | output_w32(0xe5d00000|rd_rn_rm(rt,FP,0)|offset); |
| 1968 | } |
| 1969 | void emit_movzwl(int addr, int rt) |
| 1970 | { |
| 1971 | u_int offset = addr-(u_int)&dynarec_local; |
| 1972 | assert(offset<256); |
| 1973 | assem_debug("ldrh %s,fp+%d\n",regname[rt],offset); |
| 1974 | output_w32(0xe1d000b0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 1975 | } |
| 1976 | void emit_movzwl_reg(int rs, int rt) |
| 1977 | { |
| 1978 | assem_debug("movzwl %%%s,%%%s\n",regname[rs]+1,regname[rt]); |
| 1979 | assert(0); |
| 1980 | } |
| 1981 | |
| 1982 | void emit_xchg(int rs, int rt) |
| 1983 | { |
| 1984 | assem_debug("xchg %%%s,%%%s\n",regname[rs],regname[rt]); |
| 1985 | assert(0); |
| 1986 | } |
| 1987 | void emit_writeword_indexed(int rt, int offset, int rs) |
| 1988 | { |
| 1989 | assert(offset>-4096&&offset<4096); |
| 1990 | assem_debug("str %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 1991 | if(offset>=0) { |
| 1992 | output_w32(0xe5800000|rd_rn_rm(rt,rs,0)|offset); |
| 1993 | }else{ |
| 1994 | output_w32(0xe5000000|rd_rn_rm(rt,rs,0)|(-offset)); |
| 1995 | } |
| 1996 | } |
| 1997 | void emit_writeword_dualindexedx4(int rt, int rs1, int rs2) |
| 1998 | { |
| 1999 | assem_debug("str %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]); |
| 2000 | output_w32(0xe7800000|rd_rn_rm(rt,rs1,rs2)|0x100); |
| 2001 | } |
| 2002 | void emit_writeword_indexed_tlb(int rt, int addr, int rs, int map, int temp) |
| 2003 | { |
| 2004 | if(map<0) emit_writeword_indexed(rt, addr, rs); |
| 2005 | else { |
| 2006 | assert(addr==0); |
| 2007 | emit_writeword_dualindexedx4(rt, rs, map); |
| 2008 | } |
| 2009 | } |
| 2010 | void emit_writedword_indexed_tlb(int rh, int rl, int addr, int rs, int map, int temp) |
| 2011 | { |
| 2012 | if(map<0) { |
| 2013 | if(rh>=0) emit_writeword_indexed(rh, addr, rs); |
| 2014 | emit_writeword_indexed(rl, addr+4, rs); |
| 2015 | }else{ |
| 2016 | assert(rh>=0); |
| 2017 | if(temp!=rs) emit_addimm(map,1,temp); |
| 2018 | emit_writeword_indexed_tlb(rh, addr, rs, map, temp); |
| 2019 | if(temp!=rs) emit_writeword_indexed_tlb(rl, addr, rs, temp, temp); |
| 2020 | else { |
| 2021 | emit_addimm(rs,4,rs); |
| 2022 | emit_writeword_indexed_tlb(rl, addr, rs, map, temp); |
| 2023 | } |
| 2024 | } |
| 2025 | } |
| 2026 | void emit_writehword_indexed(int rt, int offset, int rs) |
| 2027 | { |
| 2028 | assert(offset>-256&&offset<256); |
| 2029 | assem_debug("strh %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 2030 | if(offset>=0) { |
| 2031 | output_w32(0xe1c000b0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 2032 | }else{ |
| 2033 | output_w32(0xe14000b0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
| 2034 | } |
| 2035 | } |
| 2036 | void emit_writebyte_indexed(int rt, int offset, int rs) |
| 2037 | { |
| 2038 | assert(offset>-4096&&offset<4096); |
| 2039 | assem_debug("strb %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 2040 | if(offset>=0) { |
| 2041 | output_w32(0xe5c00000|rd_rn_rm(rt,rs,0)|offset); |
| 2042 | }else{ |
| 2043 | output_w32(0xe5400000|rd_rn_rm(rt,rs,0)|(-offset)); |
| 2044 | } |
| 2045 | } |
| 2046 | void emit_writebyte_dualindexedx4(int rt, int rs1, int rs2) |
| 2047 | { |
| 2048 | assem_debug("strb %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]); |
| 2049 | output_w32(0xe7c00000|rd_rn_rm(rt,rs1,rs2)|0x100); |
| 2050 | } |
| 2051 | void emit_writebyte_indexed_tlb(int rt, int addr, int rs, int map, int temp) |
| 2052 | { |
| 2053 | if(map<0) emit_writebyte_indexed(rt, addr, rs); |
| 2054 | else { |
| 2055 | if(addr==0) { |
| 2056 | emit_writebyte_dualindexedx4(rt, rs, map); |
| 2057 | }else{ |
| 2058 | emit_addimm(rs,addr,temp); |
| 2059 | emit_writebyte_dualindexedx4(rt, temp, map); |
| 2060 | } |
| 2061 | } |
| 2062 | } |
| b96d3df7 |
2063 | void emit_strcc_dualindexed(int rs1, int rs2, int rt) |
| 2064 | { |
| 2065 | assem_debug("strcc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 2066 | output_w32(0x37800000|rd_rn_rm(rt,rs1,rs2)); |
| 2067 | } |
| 2068 | void emit_strccb_dualindexed(int rs1, int rs2, int rt) |
| 2069 | { |
| 2070 | assem_debug("strccb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 2071 | output_w32(0x37c00000|rd_rn_rm(rt,rs1,rs2)); |
| 2072 | } |
| 2073 | void emit_strcch_dualindexed(int rs1, int rs2, int rt) |
| 2074 | { |
| 2075 | assem_debug("strcch %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 2076 | output_w32(0x318000b0|rd_rn_rm(rt,rs1,rs2)); |
| 2077 | } |
| 57871462 |
2078 | void emit_writeword(int rt, int addr) |
| 2079 | { |
| 2080 | u_int offset = addr-(u_int)&dynarec_local; |
| 2081 | assert(offset<4096); |
| 2082 | assem_debug("str %s,fp+%d\n",regname[rt],offset); |
| 2083 | output_w32(0xe5800000|rd_rn_rm(rt,FP,0)|offset); |
| 2084 | } |
| 2085 | void emit_writehword(int rt, int addr) |
| 2086 | { |
| 2087 | u_int offset = addr-(u_int)&dynarec_local; |
| 2088 | assert(offset<256); |
| 2089 | assem_debug("strh %s,fp+%d\n",regname[rt],offset); |
| 2090 | output_w32(0xe1c000b0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 2091 | } |
| 2092 | void emit_writebyte(int rt, int addr) |
| 2093 | { |
| 2094 | u_int offset = addr-(u_int)&dynarec_local; |
| 2095 | assert(offset<4096); |
| 74426039 |
2096 | assem_debug("strb %s,fp+%d\n",regname[rt],offset); |
| 57871462 |
2097 | output_w32(0xe5c00000|rd_rn_rm(rt,FP,0)|offset); |
| 2098 | } |
| 2099 | void emit_writeword_imm(int imm, int addr) |
| 2100 | { |
| 2101 | assem_debug("movl $%x,%x\n",imm,addr); |
| 2102 | assert(0); |
| 2103 | } |
| 2104 | void emit_writebyte_imm(int imm, int addr) |
| 2105 | { |
| 2106 | assem_debug("movb $%x,%x\n",imm,addr); |
| 2107 | assert(0); |
| 2108 | } |
| 2109 | |
| 2110 | void emit_mul(int rs) |
| 2111 | { |
| 2112 | assem_debug("mul %%%s\n",regname[rs]); |
| 2113 | assert(0); |
| 2114 | } |
| 2115 | void emit_imul(int rs) |
| 2116 | { |
| 2117 | assem_debug("imul %%%s\n",regname[rs]); |
| 2118 | assert(0); |
| 2119 | } |
| 2120 | void emit_umull(u_int rs1, u_int rs2, u_int hi, u_int lo) |
| 2121 | { |
| 2122 | assem_debug("umull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]); |
| 2123 | assert(rs1<16); |
| 2124 | assert(rs2<16); |
| 2125 | assert(hi<16); |
| 2126 | assert(lo<16); |
| 2127 | output_w32(0xe0800090|(hi<<16)|(lo<<12)|(rs2<<8)|rs1); |
| 2128 | } |
| 2129 | void emit_smull(u_int rs1, u_int rs2, u_int hi, u_int lo) |
| 2130 | { |
| 2131 | assem_debug("smull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]); |
| 2132 | assert(rs1<16); |
| 2133 | assert(rs2<16); |
| 2134 | assert(hi<16); |
| 2135 | assert(lo<16); |
| 2136 | output_w32(0xe0c00090|(hi<<16)|(lo<<12)|(rs2<<8)|rs1); |
| 2137 | } |
| 2138 | |
| 2139 | void emit_div(int rs) |
| 2140 | { |
| 2141 | assem_debug("div %%%s\n",regname[rs]); |
| 2142 | assert(0); |
| 2143 | } |
| 2144 | void emit_idiv(int rs) |
| 2145 | { |
| 2146 | assem_debug("idiv %%%s\n",regname[rs]); |
| 2147 | assert(0); |
| 2148 | } |
| 2149 | void emit_cdq() |
| 2150 | { |
| 2151 | assem_debug("cdq\n"); |
| 2152 | assert(0); |
| 2153 | } |
| 2154 | |
| 2155 | void emit_clz(int rs,int rt) |
| 2156 | { |
| 2157 | assem_debug("clz %s,%s\n",regname[rt],regname[rs]); |
| 2158 | output_w32(0xe16f0f10|rd_rn_rm(rt,0,rs)); |
| 2159 | } |
| 2160 | |
| 2161 | void emit_subcs(int rs1,int rs2,int rt) |
| 2162 | { |
| 2163 | assem_debug("subcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 2164 | output_w32(0x20400000|rd_rn_rm(rt,rs1,rs2)); |
| 2165 | } |
| 2166 | |
| 2167 | void emit_shrcc_imm(int rs,u_int imm,int rt) |
| 2168 | { |
| 2169 | assert(imm>0); |
| 2170 | assert(imm<32); |
| 2171 | assem_debug("lsrcc %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2172 | output_w32(0x31a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7)); |
| 2173 | } |
| 2174 | |
| b1be1eee |
2175 | void emit_shrne_imm(int rs,u_int imm,int rt) |
| 2176 | { |
| 2177 | assert(imm>0); |
| 2178 | assert(imm<32); |
| 2179 | assem_debug("lsrne %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2180 | output_w32(0x11a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7)); |
| 2181 | } |
| 2182 | |
| 57871462 |
2183 | void emit_negmi(int rs, int rt) |
| 2184 | { |
| 2185 | assem_debug("rsbmi %s,%s,#0\n",regname[rt],regname[rs]); |
| 2186 | output_w32(0x42600000|rd_rn_rm(rt,rs,0)); |
| 2187 | } |
| 2188 | |
| 2189 | void emit_negsmi(int rs, int rt) |
| 2190 | { |
| 2191 | assem_debug("rsbsmi %s,%s,#0\n",regname[rt],regname[rs]); |
| 2192 | output_w32(0x42700000|rd_rn_rm(rt,rs,0)); |
| 2193 | } |
| 2194 | |
| 2195 | void emit_orreq(u_int rs1,u_int rs2,u_int rt) |
| 2196 | { |
| 2197 | assem_debug("orreq %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 2198 | output_w32(0x01800000|rd_rn_rm(rt,rs1,rs2)); |
| 2199 | } |
| 2200 | |
| 2201 | void emit_orrne(u_int rs1,u_int rs2,u_int rt) |
| 2202 | { |
| 2203 | assem_debug("orrne %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 2204 | output_w32(0x11800000|rd_rn_rm(rt,rs1,rs2)); |
| 2205 | } |
| 2206 | |
| 2207 | void emit_bic_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| 2208 | { |
| 2209 | assem_debug("bic %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| 2210 | output_w32(0xe1C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8)); |
| 2211 | } |
| 2212 | |
| 2213 | void emit_biceq_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| 2214 | { |
| 2215 | assem_debug("biceq %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| 2216 | output_w32(0x01C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8)); |
| 2217 | } |
| 2218 | |
| 2219 | void emit_bicne_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| 2220 | { |
| 2221 | assem_debug("bicne %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| 2222 | output_w32(0x11C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8)); |
| 2223 | } |
| 2224 | |
| 2225 | void emit_bic_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| 2226 | { |
| 2227 | assem_debug("bic %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| 2228 | output_w32(0xe1C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8)); |
| 2229 | } |
| 2230 | |
| 2231 | void emit_biceq_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| 2232 | { |
| 2233 | assem_debug("biceq %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| 2234 | output_w32(0x01C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8)); |
| 2235 | } |
| 2236 | |
| 2237 | void emit_bicne_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| 2238 | { |
| 2239 | assem_debug("bicne %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| 2240 | output_w32(0x11C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8)); |
| 2241 | } |
| 2242 | |
| 2243 | void emit_teq(int rs, int rt) |
| 2244 | { |
| 2245 | assem_debug("teq %s,%s\n",regname[rs],regname[rt]); |
| 2246 | output_w32(0xe1300000|rd_rn_rm(0,rs,rt)); |
| 2247 | } |
| 2248 | |
| 2249 | void emit_rsbimm(int rs, int imm, int rt) |
| 2250 | { |
| 2251 | u_int armval; |
| cfbd3c6e |
2252 | genimm_checked(imm,&armval); |
| 57871462 |
2253 | assem_debug("rsb %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2254 | output_w32(0xe2600000|rd_rn_rm(rt,rs,0)|armval); |
| 2255 | } |
| 2256 | |
| 2257 | // Load 2 immediates optimizing for small code size |
| 2258 | void emit_mov2imm_compact(int imm1,u_int rt1,int imm2,u_int rt2) |
| 2259 | { |
| 2260 | emit_movimm(imm1,rt1); |
| 2261 | u_int armval; |
| 2262 | if(genimm(imm2-imm1,&armval)) { |
| 2263 | assem_debug("add %s,%s,#%d\n",regname[rt2],regname[rt1],imm2-imm1); |
| 2264 | output_w32(0xe2800000|rd_rn_rm(rt2,rt1,0)|armval); |
| 2265 | }else if(genimm(imm1-imm2,&armval)) { |
| 2266 | assem_debug("sub %s,%s,#%d\n",regname[rt2],regname[rt1],imm1-imm2); |
| 2267 | output_w32(0xe2400000|rd_rn_rm(rt2,rt1,0)|armval); |
| 2268 | } |
| 2269 | else emit_movimm(imm2,rt2); |
| 2270 | } |
| 2271 | |
| 2272 | // Conditionally select one of two immediates, optimizing for small code size |
| 2273 | // This will only be called if HAVE_CMOV_IMM is defined |
| 2274 | void emit_cmov2imm_e_ne_compact(int imm1,int imm2,u_int rt) |
| 2275 | { |
| 2276 | u_int armval; |
| 2277 | if(genimm(imm2-imm1,&armval)) { |
| 2278 | emit_movimm(imm1,rt); |
| 2279 | assem_debug("addne %s,%s,#%d\n",regname[rt],regname[rt],imm2-imm1); |
| 2280 | output_w32(0x12800000|rd_rn_rm(rt,rt,0)|armval); |
| 2281 | }else if(genimm(imm1-imm2,&armval)) { |
| 2282 | emit_movimm(imm1,rt); |
| 2283 | assem_debug("subne %s,%s,#%d\n",regname[rt],regname[rt],imm1-imm2); |
| 2284 | output_w32(0x12400000|rd_rn_rm(rt,rt,0)|armval); |
| 2285 | } |
| 2286 | else { |
| 665f33e1 |
2287 | #ifndef HAVE_ARMV7 |
| 57871462 |
2288 | emit_movimm(imm1,rt); |
| 2289 | add_literal((int)out,imm2); |
| 2290 | assem_debug("ldrne %s,pc+? [=%x]\n",regname[rt],imm2); |
| 2291 | output_w32(0x15900000|rd_rn_rm(rt,15,0)); |
| 2292 | #else |
| 2293 | emit_movw(imm1&0x0000FFFF,rt); |
| 2294 | if((imm1&0xFFFF)!=(imm2&0xFFFF)) { |
| 2295 | assem_debug("movwne %s,#%d (0x%x)\n",regname[rt],imm2&0xFFFF,imm2&0xFFFF); |
| 2296 | output_w32(0x13000000|rd_rn_rm(rt,0,0)|(imm2&0xfff)|((imm2<<4)&0xf0000)); |
| 2297 | } |
| 2298 | emit_movt(imm1&0xFFFF0000,rt); |
| 2299 | if((imm1&0xFFFF0000)!=(imm2&0xFFFF0000)) { |
| 2300 | assem_debug("movtne %s,#%d (0x%x)\n",regname[rt],imm2&0xffff0000,imm2&0xffff0000); |
| 2301 | output_w32(0x13400000|rd_rn_rm(rt,0,0)|((imm2>>16)&0xfff)|((imm2>>12)&0xf0000)); |
| 2302 | } |
| 2303 | #endif |
| 2304 | } |
| 2305 | } |
| 2306 | |
| 2307 | // special case for checking invalid_code |
| 2308 | void emit_cmpmem_indexedsr12_imm(int addr,int r,int imm) |
| 2309 | { |
| 2310 | assert(0); |
| 2311 | } |
| 2312 | |
| 2313 | // special case for checking invalid_code |
| 2314 | void emit_cmpmem_indexedsr12_reg(int base,int r,int imm) |
| 2315 | { |
| 2316 | assert(imm<128&&imm>=0); |
| 2317 | assert(r>=0&&r<16); |
| 2318 | assem_debug("ldrb lr,%s,%s lsr #12\n",regname[base],regname[r]); |
| 2319 | output_w32(0xe7d00000|rd_rn_rm(HOST_TEMPREG,base,r)|0x620); |
| 2320 | emit_cmpimm(HOST_TEMPREG,imm); |
| 2321 | } |
| 2322 | |
| 2323 | // special case for tlb mapping |
| 2324 | void emit_addsr12(int rs1,int rs2,int rt) |
| 2325 | { |
| 2326 | assem_debug("add %s,%s,%s lsr #12\n",regname[rt],regname[rs1],regname[rs2]); |
| 2327 | output_w32(0xe0800620|rd_rn_rm(rt,rs1,rs2)); |
| 2328 | } |
| 2329 | |
| 0bbd1454 |
2330 | void emit_callne(int a) |
| 2331 | { |
| 2332 | assem_debug("blne %x\n",a); |
| 2333 | u_int offset=genjmp(a); |
| 2334 | output_w32(0x1b000000|offset); |
| 2335 | } |
| 2336 | |
| 57871462 |
2337 | // Used to preload hash table entries |
| 2338 | void emit_prefetch(void *addr) |
| 2339 | { |
| 2340 | assem_debug("prefetch %x\n",(int)addr); |
| 2341 | output_byte(0x0F); |
| 2342 | output_byte(0x18); |
| 2343 | output_modrm(0,5,1); |
| 2344 | output_w32((int)addr); |
| 2345 | } |
| 2346 | void emit_prefetchreg(int r) |
| 2347 | { |
| 2348 | assem_debug("pld %s\n",regname[r]); |
| 2349 | output_w32(0xf5d0f000|rd_rn_rm(0,r,0)); |
| 2350 | } |
| 2351 | |
| 2352 | // Special case for mini_ht |
| 2353 | void emit_ldreq_indexed(int rs, u_int offset, int rt) |
| 2354 | { |
| 2355 | assert(offset<4096); |
| 2356 | assem_debug("ldreq %s,[%s, #%d]\n",regname[rt],regname[rs],offset); |
| 2357 | output_w32(0x05900000|rd_rn_rm(rt,rs,0)|offset); |
| 2358 | } |
| 2359 | |
| 2360 | void emit_flds(int r,int sr) |
| 2361 | { |
| 2362 | assem_debug("flds s%d,[%s]\n",sr,regname[r]); |
| 2363 | output_w32(0xed900a00|((sr&14)<<11)|((sr&1)<<22)|(r<<16)); |
| 2364 | } |
| 2365 | |
| 2366 | void emit_vldr(int r,int vr) |
| 2367 | { |
| 2368 | assem_debug("vldr d%d,[%s]\n",vr,regname[r]); |
| 2369 | output_w32(0xed900b00|(vr<<12)|(r<<16)); |
| 2370 | } |
| 2371 | |
| 2372 | void emit_fsts(int sr,int r) |
| 2373 | { |
| 2374 | assem_debug("fsts s%d,[%s]\n",sr,regname[r]); |
| 2375 | output_w32(0xed800a00|((sr&14)<<11)|((sr&1)<<22)|(r<<16)); |
| 2376 | } |
| 2377 | |
| 2378 | void emit_vstr(int vr,int r) |
| 2379 | { |
| 2380 | assem_debug("vstr d%d,[%s]\n",vr,regname[r]); |
| 2381 | output_w32(0xed800b00|(vr<<12)|(r<<16)); |
| 2382 | } |
| 2383 | |
| 2384 | void emit_ftosizs(int s,int d) |
| 2385 | { |
| 2386 | assem_debug("ftosizs s%d,s%d\n",d,s); |
| 2387 | output_w32(0xeebd0ac0|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5)); |
| 2388 | } |
| 2389 | |
| 2390 | void emit_ftosizd(int s,int d) |
| 2391 | { |
| 2392 | assem_debug("ftosizd s%d,d%d\n",d,s); |
| 2393 | output_w32(0xeebd0bc0|((d&14)<<11)|((d&1)<<22)|(s&7)); |
| 2394 | } |
| 2395 | |
| 2396 | void emit_fsitos(int s,int d) |
| 2397 | { |
| 2398 | assem_debug("fsitos s%d,s%d\n",d,s); |
| 2399 | output_w32(0xeeb80ac0|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5)); |
| 2400 | } |
| 2401 | |
| 2402 | void emit_fsitod(int s,int d) |
| 2403 | { |
| 2404 | assem_debug("fsitod d%d,s%d\n",d,s); |
| 2405 | output_w32(0xeeb80bc0|((d&7)<<12)|((s&14)>>1)|((s&1)<<5)); |
| 2406 | } |
| 2407 | |
| 2408 | void emit_fcvtds(int s,int d) |
| 2409 | { |
| 2410 | assem_debug("fcvtds d%d,s%d\n",d,s); |
| 2411 | output_w32(0xeeb70ac0|((d&7)<<12)|((s&14)>>1)|((s&1)<<5)); |
| 2412 | } |
| 2413 | |
| 2414 | void emit_fcvtsd(int s,int d) |
| 2415 | { |
| 2416 | assem_debug("fcvtsd s%d,d%d\n",d,s); |
| 2417 | output_w32(0xeeb70bc0|((d&14)<<11)|((d&1)<<22)|(s&7)); |
| 2418 | } |
| 2419 | |
| 2420 | void emit_fsqrts(int s,int d) |
| 2421 | { |
| 2422 | assem_debug("fsqrts d%d,s%d\n",d,s); |
| 2423 | output_w32(0xeeb10ac0|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5)); |
| 2424 | } |
| 2425 | |
| 2426 | void emit_fsqrtd(int s,int d) |
| 2427 | { |
| 2428 | assem_debug("fsqrtd s%d,d%d\n",d,s); |
| 2429 | output_w32(0xeeb10bc0|((d&7)<<12)|(s&7)); |
| 2430 | } |
| 2431 | |
| 2432 | void emit_fabss(int s,int d) |
| 2433 | { |
| 2434 | assem_debug("fabss d%d,s%d\n",d,s); |
| 2435 | output_w32(0xeeb00ac0|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5)); |
| 2436 | } |
| 2437 | |
| 2438 | void emit_fabsd(int s,int d) |
| 2439 | { |
| 2440 | assem_debug("fabsd s%d,d%d\n",d,s); |
| 2441 | output_w32(0xeeb00bc0|((d&7)<<12)|(s&7)); |
| 2442 | } |
| 2443 | |
| 2444 | void emit_fnegs(int s,int d) |
| 2445 | { |
| 2446 | assem_debug("fnegs d%d,s%d\n",d,s); |
| 2447 | output_w32(0xeeb10a40|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5)); |
| 2448 | } |
| 2449 | |
| 2450 | void emit_fnegd(int s,int d) |
| 2451 | { |
| 2452 | assem_debug("fnegd s%d,d%d\n",d,s); |
| 2453 | output_w32(0xeeb10b40|((d&7)<<12)|(s&7)); |
| 2454 | } |
| 2455 | |
| 2456 | void emit_fadds(int s1,int s2,int d) |
| 2457 | { |
| 2458 | assem_debug("fadds s%d,s%d,s%d\n",d,s1,s2); |
| 2459 | output_w32(0xee300a00|((d&14)<<11)|((d&1)<<22)|((s1&14)<<15)|((s1&1)<<7)|((s2&14)>>1)|((s2&1)<<5)); |
| 2460 | } |
| 2461 | |
| 2462 | void emit_faddd(int s1,int s2,int d) |
| 2463 | { |
| 2464 | assem_debug("faddd d%d,d%d,d%d\n",d,s1,s2); |
| 2465 | output_w32(0xee300b00|((d&7)<<12)|((s1&7)<<16)|(s2&7)); |
| 2466 | } |
| 2467 | |
| 2468 | void emit_fsubs(int s1,int s2,int d) |
| 2469 | { |
| 2470 | assem_debug("fsubs s%d,s%d,s%d\n",d,s1,s2); |
| 2471 | output_w32(0xee300a40|((d&14)<<11)|((d&1)<<22)|((s1&14)<<15)|((s1&1)<<7)|((s2&14)>>1)|((s2&1)<<5)); |
| 2472 | } |
| 2473 | |
| 2474 | void emit_fsubd(int s1,int s2,int d) |
| 2475 | { |
| 2476 | assem_debug("fsubd d%d,d%d,d%d\n",d,s1,s2); |
| 2477 | output_w32(0xee300b40|((d&7)<<12)|((s1&7)<<16)|(s2&7)); |
| 2478 | } |
| 2479 | |
| 2480 | void emit_fmuls(int s1,int s2,int d) |
| 2481 | { |
| 2482 | assem_debug("fmuls s%d,s%d,s%d\n",d,s1,s2); |
| 2483 | output_w32(0xee200a00|((d&14)<<11)|((d&1)<<22)|((s1&14)<<15)|((s1&1)<<7)|((s2&14)>>1)|((s2&1)<<5)); |
| 2484 | } |
| 2485 | |
| 2486 | void emit_fmuld(int s1,int s2,int d) |
| 2487 | { |
| 2488 | assem_debug("fmuld d%d,d%d,d%d\n",d,s1,s2); |
| 2489 | output_w32(0xee200b00|((d&7)<<12)|((s1&7)<<16)|(s2&7)); |
| 2490 | } |
| 2491 | |
| 2492 | void emit_fdivs(int s1,int s2,int d) |
| 2493 | { |
| 2494 | assem_debug("fdivs s%d,s%d,s%d\n",d,s1,s2); |
| 2495 | output_w32(0xee800a00|((d&14)<<11)|((d&1)<<22)|((s1&14)<<15)|((s1&1)<<7)|((s2&14)>>1)|((s2&1)<<5)); |
| 2496 | } |
| 2497 | |
| 2498 | void emit_fdivd(int s1,int s2,int d) |
| 2499 | { |
| 2500 | assem_debug("fdivd d%d,d%d,d%d\n",d,s1,s2); |
| 2501 | output_w32(0xee800b00|((d&7)<<12)|((s1&7)<<16)|(s2&7)); |
| 2502 | } |
| 2503 | |
| 2504 | void emit_fcmps(int x,int y) |
| 2505 | { |
| 2506 | assem_debug("fcmps s14, s15\n"); |
| 2507 | output_w32(0xeeb47a67); |
| 2508 | } |
| 2509 | |
| 2510 | void emit_fcmpd(int x,int y) |
| 2511 | { |
| 2512 | assem_debug("fcmpd d6, d7\n"); |
| 2513 | output_w32(0xeeb46b47); |
| 2514 | } |
| 2515 | |
| 2516 | void emit_fmstat() |
| 2517 | { |
| 2518 | assem_debug("fmstat\n"); |
| 2519 | output_w32(0xeef1fa10); |
| 2520 | } |
| 2521 | |
| 2522 | void emit_bicne_imm(int rs,int imm,int rt) |
| 2523 | { |
| 2524 | u_int armval; |
| cfbd3c6e |
2525 | genimm_checked(imm,&armval); |
| 57871462 |
2526 | assem_debug("bicne %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2527 | output_w32(0x13c00000|rd_rn_rm(rt,rs,0)|armval); |
| 2528 | } |
| 2529 | |
| 2530 | void emit_biccs_imm(int rs,int imm,int rt) |
| 2531 | { |
| 2532 | u_int armval; |
| cfbd3c6e |
2533 | genimm_checked(imm,&armval); |
| 57871462 |
2534 | assem_debug("biccs %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2535 | output_w32(0x23c00000|rd_rn_rm(rt,rs,0)|armval); |
| 2536 | } |
| 2537 | |
| 2538 | void emit_bicvc_imm(int rs,int imm,int rt) |
| 2539 | { |
| 2540 | u_int armval; |
| cfbd3c6e |
2541 | genimm_checked(imm,&armval); |
| 57871462 |
2542 | assem_debug("bicvc %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2543 | output_w32(0x73c00000|rd_rn_rm(rt,rs,0)|armval); |
| 2544 | } |
| 2545 | |
| 2546 | void emit_bichi_imm(int rs,int imm,int rt) |
| 2547 | { |
| 2548 | u_int armval; |
| cfbd3c6e |
2549 | genimm_checked(imm,&armval); |
| 57871462 |
2550 | assem_debug("bichi %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2551 | output_w32(0x83c00000|rd_rn_rm(rt,rs,0)|armval); |
| 2552 | } |
| 2553 | |
| 2554 | void emit_orrvs_imm(int rs,int imm,int rt) |
| 2555 | { |
| 2556 | u_int armval; |
| cfbd3c6e |
2557 | genimm_checked(imm,&armval); |
| 57871462 |
2558 | assem_debug("orrvs %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2559 | output_w32(0x63800000|rd_rn_rm(rt,rs,0)|armval); |
| 2560 | } |
| 2561 | |
| b9b61529 |
2562 | void emit_orrne_imm(int rs,int imm,int rt) |
| 2563 | { |
| 2564 | u_int armval; |
| cfbd3c6e |
2565 | genimm_checked(imm,&armval); |
| b9b61529 |
2566 | assem_debug("orrne %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2567 | output_w32(0x13800000|rd_rn_rm(rt,rs,0)|armval); |
| 2568 | } |
| 2569 | |
| 2570 | void emit_andne_imm(int rs,int imm,int rt) |
| 2571 | { |
| 2572 | u_int armval; |
| cfbd3c6e |
2573 | genimm_checked(imm,&armval); |
| b9b61529 |
2574 | assem_debug("andne %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2575 | output_w32(0x12000000|rd_rn_rm(rt,rs,0)|armval); |
| 2576 | } |
| 2577 | |
| 665f33e1 |
2578 | void emit_addpl_imm(int rs,int imm,int rt) |
| 2579 | { |
| 2580 | u_int armval; |
| 2581 | genimm_checked(imm,&armval); |
| 2582 | assem_debug("addpl %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2583 | output_w32(0x52800000|rd_rn_rm(rt,rs,0)|armval); |
| 2584 | } |
| 2585 | |
| 57871462 |
2586 | void emit_jno_unlikely(int a) |
| 2587 | { |
| 2588 | //emit_jno(a); |
| 2589 | assem_debug("addvc pc,pc,#? (%x)\n",/*a-(int)out-8,*/a); |
| 2590 | output_w32(0x72800000|rd_rn_rm(15,15,0)); |
| 2591 | } |
| 2592 | |
| 054175e9 |
2593 | static void save_regs_all(u_int reglist) |
| 57871462 |
2594 | { |
| 054175e9 |
2595 | int i; |
| 57871462 |
2596 | if(!reglist) return; |
| 2597 | assem_debug("stmia fp,{"); |
| 054175e9 |
2598 | for(i=0;i<16;i++) |
| 2599 | if(reglist&(1<<i)) |
| 2600 | assem_debug("r%d,",i); |
| 57871462 |
2601 | assem_debug("}\n"); |
| 2602 | output_w32(0xe88b0000|reglist); |
| 2603 | } |
| 054175e9 |
2604 | static void restore_regs_all(u_int reglist) |
| 57871462 |
2605 | { |
| 054175e9 |
2606 | int i; |
| 57871462 |
2607 | if(!reglist) return; |
| 2608 | assem_debug("ldmia fp,{"); |
| 054175e9 |
2609 | for(i=0;i<16;i++) |
| 2610 | if(reglist&(1<<i)) |
| 2611 | assem_debug("r%d,",i); |
| 57871462 |
2612 | assem_debug("}\n"); |
| 2613 | output_w32(0xe89b0000|reglist); |
| 2614 | } |
| 054175e9 |
2615 | // Save registers before function call |
| 2616 | static void save_regs(u_int reglist) |
| 2617 | { |
| 4d646738 |
2618 | reglist&=CALLER_SAVE_REGS; // only save the caller-save registers, r0-r3, r12 |
| 054175e9 |
2619 | save_regs_all(reglist); |
| 2620 | } |
| 2621 | // Restore registers after function call |
| 2622 | static void restore_regs(u_int reglist) |
| 2623 | { |
| 4d646738 |
2624 | reglist&=CALLER_SAVE_REGS; |
| 054175e9 |
2625 | restore_regs_all(reglist); |
| 2626 | } |
| 57871462 |
2627 | |
| 2628 | // Write back consts using r14 so we don't disturb the other registers |
| 2629 | void wb_consts(signed char i_regmap[],uint64_t i_is32,u_int i_dirty,int i) |
| 2630 | { |
| 2631 | int hr; |
| 2632 | for(hr=0;hr<HOST_REGS;hr++) { |
| 2633 | if(hr!=EXCLUDE_REG&&i_regmap[hr]>=0&&((i_dirty>>hr)&1)) { |
| 2634 | if(((regs[i].isconst>>hr)&1)&&i_regmap[hr]>0) { |
| 2635 | if(i_regmap[hr]<64 || !((i_is32>>(i_regmap[hr]&63))&1) ) { |
| 2636 | int value=constmap[i][hr]; |
| 2637 | if(value==0) { |
| 2638 | emit_zeroreg(HOST_TEMPREG); |
| 2639 | } |
| 2640 | else { |
| 2641 | emit_movimm(value,HOST_TEMPREG); |
| 2642 | } |
| 2643 | emit_storereg(i_regmap[hr],HOST_TEMPREG); |
| 57871462 |
2644 | } |
| 2645 | } |
| 2646 | } |
| 2647 | } |
| 2648 | } |
| 2649 | |
| 2650 | /* Stubs/epilogue */ |
| 2651 | |
| 2652 | void literal_pool(int n) |
| 2653 | { |
| 2654 | if(!literalcount) return; |
| 2655 | if(n) { |
| 2656 | if((int)out-literals[0][0]<4096-n) return; |
| 2657 | } |
| 2658 | u_int *ptr; |
| 2659 | int i; |
| 2660 | for(i=0;i<literalcount;i++) |
| 2661 | { |
| 77750690 |
2662 | u_int l_addr=(u_int)out; |
| 2663 | int j; |
| 2664 | for(j=0;j<i;j++) { |
| 2665 | if(literals[j][1]==literals[i][1]) { |
| 2666 | //printf("dup %08x\n",literals[i][1]); |
| 2667 | l_addr=literals[j][0]; |
| 2668 | break; |
| 2669 | } |
| 2670 | } |
| 57871462 |
2671 | ptr=(u_int *)literals[i][0]; |
| 77750690 |
2672 | u_int offset=l_addr-(u_int)ptr-8; |
| 57871462 |
2673 | assert(offset<4096); |
| 2674 | assert(!(offset&3)); |
| 2675 | *ptr|=offset; |
| 77750690 |
2676 | if(l_addr==(u_int)out) { |
| 2677 | literals[i][0]=l_addr; // remember for dupes |
| 2678 | output_w32(literals[i][1]); |
| 2679 | } |
| 57871462 |
2680 | } |
| 2681 | literalcount=0; |
| 2682 | } |
| 2683 | |
| 2684 | void literal_pool_jumpover(int n) |
| 2685 | { |
| 2686 | if(!literalcount) return; |
| 2687 | if(n) { |
| 2688 | if((int)out-literals[0][0]<4096-n) return; |
| 2689 | } |
| 2690 | int jaddr=(int)out; |
| 2691 | emit_jmp(0); |
| 2692 | literal_pool(0); |
| 2693 | set_jump_target(jaddr,(int)out); |
| 2694 | } |
| 2695 | |
| c67af2ac |
2696 | emit_extjump2(u_int addr, int target, int linker) |
| 57871462 |
2697 | { |
| 2698 | u_char *ptr=(u_char *)addr; |
| 2699 | assert((ptr[3]&0x0e)==0xa); |
| 2700 | emit_loadlp(target,0); |
| 2701 | emit_loadlp(addr,1); |
| 24385cae |
2702 | assert(addr>=BASE_ADDR&&addr<(BASE_ADDR+(1<<TARGET_SIZE_2))); |
| 57871462 |
2703 | //assert((target>=0x80000000&&target<0x80800000)||(target>0xA4000000&&target<0xA4001000)); |
| 2704 | //DEBUG > |
| 2705 | #ifdef DEBUG_CYCLE_COUNT |
| 2706 | emit_readword((int)&last_count,ECX); |
| 2707 | emit_add(HOST_CCREG,ECX,HOST_CCREG); |
| 2708 | emit_readword((int)&next_interupt,ECX); |
| 2709 | emit_writeword(HOST_CCREG,(int)&Count); |
| 2710 | emit_sub(HOST_CCREG,ECX,HOST_CCREG); |
| 2711 | emit_writeword(ECX,(int)&last_count); |
| 2712 | #endif |
| 2713 | //DEBUG < |
| 2714 | emit_jmp(linker); |
| 2715 | } |
| 2716 | |
| 2717 | emit_extjump(int addr, int target) |
| 2718 | { |
| 2719 | emit_extjump2(addr, target, (int)dyna_linker); |
| 2720 | } |
| 2721 | emit_extjump_ds(int addr, int target) |
| 2722 | { |
| 2723 | emit_extjump2(addr, target, (int)dyna_linker_ds); |
| 2724 | } |
| 2725 | |
| 13e35c04 |
2726 | // put rt_val into rt, potentially making use of rs with value rs_val |
| 2727 | static void emit_movimm_from(u_int rs_val,int rs,u_int rt_val,int rt) |
| 2728 | { |
| 8575a877 |
2729 | u_int armval; |
| 2730 | int diff; |
| 2731 | if(genimm(rt_val,&armval)) { |
| 2732 | assem_debug("mov %s,#%d\n",regname[rt],rt_val); |
| 2733 | output_w32(0xe3a00000|rd_rn_rm(rt,0,0)|armval); |
| 2734 | return; |
| 2735 | } |
| 2736 | if(genimm(~rt_val,&armval)) { |
| 2737 | assem_debug("mvn %s,#%d\n",regname[rt],rt_val); |
| 2738 | output_w32(0xe3e00000|rd_rn_rm(rt,0,0)|armval); |
| 2739 | return; |
| 2740 | } |
| 2741 | diff=rt_val-rs_val; |
| 2742 | if(genimm(diff,&armval)) { |
| 2743 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rs],diff); |
| 2744 | output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval); |
| 2745 | return; |
| 2746 | }else if(genimm(-diff,&armval)) { |
| 2747 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],-diff); |
| 2748 | output_w32(0xe2400000|rd_rn_rm(rt,rs,0)|armval); |
| 2749 | return; |
| 2750 | } |
| 2751 | emit_movimm(rt_val,rt); |
| 2752 | } |
| 2753 | |
| 2754 | // return 1 if above function can do it's job cheaply |
| 2755 | static int is_similar_value(u_int v1,u_int v2) |
| 2756 | { |
| 13e35c04 |
2757 | u_int xs; |
| 8575a877 |
2758 | int diff; |
| 2759 | if(v1==v2) return 1; |
| 2760 | diff=v2-v1; |
| 2761 | for(xs=diff;xs!=0&&(xs&3)==0;xs>>=2) |
| 13e35c04 |
2762 | ; |
| 8575a877 |
2763 | if(xs<0x100) return 1; |
| 2764 | for(xs=-diff;xs!=0&&(xs&3)==0;xs>>=2) |
| 2765 | ; |
| 2766 | if(xs<0x100) return 1; |
| 2767 | return 0; |
| 13e35c04 |
2768 | } |
| cbbab9cd |
2769 | |
| b96d3df7 |
2770 | // trashes r2 |
| 2771 | static void pass_args(int a0, int a1) |
| 2772 | { |
| 2773 | if(a0==1&&a1==0) { |
| 2774 | // must swap |
| 2775 | emit_mov(a0,2); emit_mov(a1,1); emit_mov(2,0); |
| 2776 | } |
| 2777 | else if(a0!=0&&a1==0) { |
| 2778 | emit_mov(a1,1); |
| 2779 | if (a0>=0) emit_mov(a0,0); |
| 2780 | } |
| 2781 | else { |
| 2782 | if(a0>=0&&a0!=0) emit_mov(a0,0); |
| 2783 | if(a1>=0&&a1!=1) emit_mov(a1,1); |
| 2784 | } |
| 2785 | } |
| 2786 | |
| b1be1eee |
2787 | static void mov_loadtype_adj(int type,int rs,int rt) |
| 2788 | { |
| 2789 | switch(type) { |
| 2790 | case LOADB_STUB: emit_signextend8(rs,rt); break; |
| 2791 | case LOADBU_STUB: emit_andimm(rs,0xff,rt); break; |
| 2792 | case LOADH_STUB: emit_signextend16(rs,rt); break; |
| 2793 | case LOADHU_STUB: emit_andimm(rs,0xffff,rt); break; |
| 2794 | case LOADW_STUB: if(rs!=rt) emit_mov(rs,rt); break; |
| 2795 | default: assert(0); |
| 2796 | } |
| 2797 | } |
| 2798 | |
| b1be1eee |
2799 | #include "pcsxmem.h" |
| 2800 | #include "pcsxmem_inline.c" |
| b1be1eee |
2801 | |
| 57871462 |
2802 | do_readstub(int n) |
| 2803 | { |
| 2804 | assem_debug("do_readstub %x\n",start+stubs[n][3]*4); |
| 2805 | literal_pool(256); |
| 2806 | set_jump_target(stubs[n][1],(int)out); |
| 2807 | int type=stubs[n][0]; |
| 2808 | int i=stubs[n][3]; |
| 2809 | int rs=stubs[n][4]; |
| 2810 | struct regstat *i_regs=(struct regstat *)stubs[n][5]; |
| 2811 | u_int reglist=stubs[n][7]; |
| 2812 | signed char *i_regmap=i_regs->regmap; |
| 2813 | int addr=get_reg(i_regmap,AGEN1+(i&1)); |
| 2814 | int rth,rt; |
| 2815 | int ds; |
| b9b61529 |
2816 | if(itype[i]==C1LS||itype[i]==C2LS||itype[i]==LOADLR) { |
| 57871462 |
2817 | rth=get_reg(i_regmap,FTEMP|64); |
| 2818 | rt=get_reg(i_regmap,FTEMP); |
| 2819 | }else{ |
| 2820 | rth=get_reg(i_regmap,rt1[i]|64); |
| 2821 | rt=get_reg(i_regmap,rt1[i]); |
| 2822 | } |
| 2823 | assert(rs>=0); |
| c6c3b1b3 |
2824 | int r,temp=-1,temp2=HOST_TEMPREG,regs_saved=0,restore_jump=0; |
| 2825 | reglist|=(1<<rs); |
| 2826 | for(r=0;r<=12;r++) { |
| 2827 | if(((1<<r)&0x13ff)&&((1<<r)®list)==0) { |
| 2828 | temp=r; break; |
| 2829 | } |
| 2830 | } |
| db829eeb |
2831 | if(rt>=0&&rt1[i]!=0) |
| c6c3b1b3 |
2832 | reglist&=~(1<<rt); |
| 2833 | if(temp==-1) { |
| 2834 | save_regs(reglist); |
| 2835 | regs_saved=1; |
| 2836 | temp=(rs==0)?2:0; |
| 2837 | } |
| 2838 | if((regs_saved||(reglist&2)==0)&&temp!=1&&rs!=1) |
| 2839 | temp2=1; |
| 2840 | emit_readword((int)&mem_rtab,temp); |
| 2841 | emit_shrimm(rs,12,temp2); |
| 2842 | emit_readword_dualindexedx4(temp,temp2,temp2); |
| 2843 | emit_lsls_imm(temp2,1,temp2); |
| 2844 | if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) { |
| 2845 | switch(type) { |
| 2846 | case LOADB_STUB: emit_ldrccsb_dualindexed(temp2,rs,rt); break; |
| 2847 | case LOADBU_STUB: emit_ldrccb_dualindexed(temp2,rs,rt); break; |
| 2848 | case LOADH_STUB: emit_ldrccsh_dualindexed(temp2,rs,rt); break; |
| 2849 | case LOADHU_STUB: emit_ldrcch_dualindexed(temp2,rs,rt); break; |
| 2850 | case LOADW_STUB: emit_ldrcc_dualindexed(temp2,rs,rt); break; |
| 2851 | } |
| 2852 | } |
| 2853 | if(regs_saved) { |
| 2854 | restore_jump=(int)out; |
| 2855 | emit_jcc(0); // jump to reg restore |
| 2856 | } |
| 2857 | else |
| 2858 | emit_jcc(stubs[n][2]); // return address |
| 2859 | |
| 2860 | if(!regs_saved) |
| 2861 | save_regs(reglist); |
| 2862 | int handler=0; |
| 2863 | if(type==LOADB_STUB||type==LOADBU_STUB) |
| 2864 | handler=(int)jump_handler_read8; |
| 2865 | if(type==LOADH_STUB||type==LOADHU_STUB) |
| 2866 | handler=(int)jump_handler_read16; |
| 2867 | if(type==LOADW_STUB) |
| 2868 | handler=(int)jump_handler_read32; |
| 2869 | assert(handler!=0); |
| b96d3df7 |
2870 | pass_args(rs,temp2); |
| c6c3b1b3 |
2871 | int cc=get_reg(i_regmap,CCREG); |
| 2872 | if(cc<0) |
| 2873 | emit_loadreg(CCREG,2); |
| 2573466a |
2874 | emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n][6]+1),2); |
| c6c3b1b3 |
2875 | emit_call(handler); |
| 2876 | if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) { |
| b1be1eee |
2877 | mov_loadtype_adj(type,0,rt); |
| c6c3b1b3 |
2878 | } |
| 2879 | if(restore_jump) |
| 2880 | set_jump_target(restore_jump,(int)out); |
| 2881 | restore_regs(reglist); |
| 2882 | emit_jmp(stubs[n][2]); // return address |
| 57871462 |
2883 | } |
| 2884 | |
| c6c3b1b3 |
2885 | // return memhandler, or get directly accessable address and return 0 |
| 2886 | u_int get_direct_memhandler(void *table,u_int addr,int type,u_int *addr_host) |
| 2887 | { |
| 2888 | u_int l1,l2=0; |
| 2889 | l1=((u_int *)table)[addr>>12]; |
| 2890 | if((l1&(1<<31))==0) { |
| 2891 | u_int v=l1<<1; |
| 2892 | *addr_host=v+addr; |
| 2893 | return 0; |
| 2894 | } |
| 2895 | else { |
| 2896 | l1<<=1; |
| 2897 | if(type==LOADB_STUB||type==LOADBU_STUB||type==STOREB_STUB) |
| 2898 | l2=((u_int *)l1)[0x1000/4 + 0x1000/2 + (addr&0xfff)]; |
| b96d3df7 |
2899 | else if(type==LOADH_STUB||type==LOADHU_STUB||type==STOREH_STUB) |
| c6c3b1b3 |
2900 | l2=((u_int *)l1)[0x1000/4 + (addr&0xfff)/2]; |
| 2901 | else |
| 2902 | l2=((u_int *)l1)[(addr&0xfff)/4]; |
| 2903 | if((l2&(1<<31))==0) { |
| 2904 | u_int v=l2<<1; |
| 2905 | *addr_host=v+(addr&0xfff); |
| 2906 | return 0; |
| 2907 | } |
| 2908 | return l2<<1; |
| 2909 | } |
| 2910 | } |
| c6c3b1b3 |
2911 | |
| 57871462 |
2912 | inline_readstub(int type, int i, u_int addr, signed char regmap[], int target, int adj, u_int reglist) |
| 2913 | { |
| 2914 | int rs=get_reg(regmap,target); |
| 2915 | int rth=get_reg(regmap,target|64); |
| 2916 | int rt=get_reg(regmap,target); |
| 535d208a |
2917 | if(rs<0) rs=get_reg(regmap,-1); |
| 57871462 |
2918 | assert(rs>=0); |
| b1be1eee |
2919 | u_int handler,host_addr=0,is_dynamic,far_call=0; |
| 2920 | int cc=get_reg(regmap,CCREG); |
| 2921 | if(pcsx_direct_read(type,addr,CLOCK_ADJUST(adj+1),cc,target?rs:-1,rt)) |
| 2922 | return; |
| c6c3b1b3 |
2923 | handler=get_direct_memhandler(mem_rtab,addr,type,&host_addr); |
| 2924 | if (handler==0) { |
| db829eeb |
2925 | if(rt<0||rt1[i]==0) |
| c6c3b1b3 |
2926 | return; |
| 13e35c04 |
2927 | if(addr!=host_addr) |
| 2928 | emit_movimm_from(addr,rs,host_addr,rs); |
| c6c3b1b3 |
2929 | switch(type) { |
| 2930 | case LOADB_STUB: emit_movsbl_indexed(0,rs,rt); break; |
| 2931 | case LOADBU_STUB: emit_movzbl_indexed(0,rs,rt); break; |
| 2932 | case LOADH_STUB: emit_movswl_indexed(0,rs,rt); break; |
| 2933 | case LOADHU_STUB: emit_movzwl_indexed(0,rs,rt); break; |
| 2934 | case LOADW_STUB: emit_readword_indexed(0,rs,rt); break; |
| 2935 | default: assert(0); |
| 2936 | } |
| 2937 | return; |
| 2938 | } |
| b1be1eee |
2939 | is_dynamic=pcsxmem_is_handler_dynamic(addr); |
| 2940 | if(is_dynamic) { |
| 2941 | if(type==LOADB_STUB||type==LOADBU_STUB) |
| 2942 | handler=(int)jump_handler_read8; |
| 2943 | if(type==LOADH_STUB||type==LOADHU_STUB) |
| 2944 | handler=(int)jump_handler_read16; |
| 2945 | if(type==LOADW_STUB) |
| 2946 | handler=(int)jump_handler_read32; |
| 2947 | } |
| c6c3b1b3 |
2948 | |
| 2949 | // call a memhandler |
| db829eeb |
2950 | if(rt>=0&&rt1[i]!=0) |
| c6c3b1b3 |
2951 | reglist&=~(1<<rt); |
| 2952 | save_regs(reglist); |
| 2953 | if(target==0) |
| 2954 | emit_movimm(addr,0); |
| 2955 | else if(rs!=0) |
| 2956 | emit_mov(rs,0); |
| c6c3b1b3 |
2957 | int offset=(int)handler-(int)out-8; |
| 2958 | if(offset<-33554432||offset>=33554432) { |
| 2959 | // unreachable memhandler, a plugin func perhaps |
| b1be1eee |
2960 | emit_movimm(handler,12); |
| 2961 | far_call=1; |
| 2962 | } |
| 2963 | if(cc<0) |
| 2964 | emit_loadreg(CCREG,2); |
| 2965 | if(is_dynamic) { |
| 2966 | emit_movimm(((u_int *)mem_rtab)[addr>>12]<<1,1); |
| 2967 | emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2); |
| c6c3b1b3 |
2968 | } |
| b1be1eee |
2969 | else { |
| 2970 | emit_readword((int)&last_count,3); |
| 2971 | emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2); |
| 2972 | emit_add(2,3,2); |
| 2973 | emit_writeword(2,(int)&Count); |
| 2974 | } |
| 2975 | |
| 2976 | if(far_call) |
| 2977 | emit_callreg(12); |
| c6c3b1b3 |
2978 | else |
| 2979 | emit_call(handler); |
| b1be1eee |
2980 | |
| db829eeb |
2981 | if(rt>=0&&rt1[i]!=0) { |
| c6c3b1b3 |
2982 | switch(type) { |
| 2983 | case LOADB_STUB: emit_signextend8(0,rt); break; |
| 2984 | case LOADBU_STUB: emit_andimm(0,0xff,rt); break; |
| 2985 | case LOADH_STUB: emit_signextend16(0,rt); break; |
| 2986 | case LOADHU_STUB: emit_andimm(0,0xffff,rt); break; |
| 2987 | case LOADW_STUB: if(rt!=0) emit_mov(0,rt); break; |
| 2988 | default: assert(0); |
| 2989 | } |
| 2990 | } |
| 2991 | restore_regs(reglist); |
| 57871462 |
2992 | } |
| 2993 | |
| 2994 | do_writestub(int n) |
| 2995 | { |
| 2996 | assem_debug("do_writestub %x\n",start+stubs[n][3]*4); |
| 2997 | literal_pool(256); |
| 2998 | set_jump_target(stubs[n][1],(int)out); |
| 2999 | int type=stubs[n][0]; |
| 3000 | int i=stubs[n][3]; |
| 3001 | int rs=stubs[n][4]; |
| 3002 | struct regstat *i_regs=(struct regstat *)stubs[n][5]; |
| 3003 | u_int reglist=stubs[n][7]; |
| 3004 | signed char *i_regmap=i_regs->regmap; |
| 3005 | int addr=get_reg(i_regmap,AGEN1+(i&1)); |
| 3006 | int rth,rt,r; |
| 3007 | int ds; |
| b9b61529 |
3008 | if(itype[i]==C1LS||itype[i]==C2LS) { |
| 57871462 |
3009 | rth=get_reg(i_regmap,FTEMP|64); |
| 3010 | rt=get_reg(i_regmap,r=FTEMP); |
| 3011 | }else{ |
| 3012 | rth=get_reg(i_regmap,rs2[i]|64); |
| 3013 | rt=get_reg(i_regmap,r=rs2[i]); |
| 3014 | } |
| 3015 | assert(rs>=0); |
| 3016 | assert(rt>=0); |
| b96d3df7 |
3017 | int rtmp,temp=-1,temp2=HOST_TEMPREG,regs_saved=0,restore_jump=0,ra; |
| 3018 | int reglist2=reglist|(1<<rs)|(1<<rt); |
| 3019 | for(rtmp=0;rtmp<=12;rtmp++) { |
| 3020 | if(((1<<rtmp)&0x13ff)&&((1<<rtmp)®list2)==0) { |
| 3021 | temp=rtmp; break; |
| 3022 | } |
| 3023 | } |
| 3024 | if(temp==-1) { |
| 3025 | save_regs(reglist); |
| 3026 | regs_saved=1; |
| 3027 | for(rtmp=0;rtmp<=3;rtmp++) |
| 3028 | if(rtmp!=rs&&rtmp!=rt) |
| 3029 | {temp=rtmp;break;} |
| 3030 | } |
| 3031 | if((regs_saved||(reglist2&8)==0)&&temp!=3&&rs!=3&&rt!=3) |
| 3032 | temp2=3; |
| 3033 | emit_readword((int)&mem_wtab,temp); |
| 3034 | emit_shrimm(rs,12,temp2); |
| 3035 | emit_readword_dualindexedx4(temp,temp2,temp2); |
| 3036 | emit_lsls_imm(temp2,1,temp2); |
| 3037 | switch(type) { |
| 3038 | case STOREB_STUB: emit_strccb_dualindexed(temp2,rs,rt); break; |
| 3039 | case STOREH_STUB: emit_strcch_dualindexed(temp2,rs,rt); break; |
| 3040 | case STOREW_STUB: emit_strcc_dualindexed(temp2,rs,rt); break; |
| 3041 | default: assert(0); |
| 3042 | } |
| 3043 | if(regs_saved) { |
| 3044 | restore_jump=(int)out; |
| 3045 | emit_jcc(0); // jump to reg restore |
| 3046 | } |
| 3047 | else |
| 3048 | emit_jcc(stubs[n][2]); // return address (invcode check) |
| 3049 | |
| 3050 | if(!regs_saved) |
| 3051 | save_regs(reglist); |
| 3052 | int handler=0; |
| 3053 | switch(type) { |
| 3054 | case STOREB_STUB: handler=(int)jump_handler_write8; break; |
| 3055 | case STOREH_STUB: handler=(int)jump_handler_write16; break; |
| 3056 | case STOREW_STUB: handler=(int)jump_handler_write32; break; |
| 3057 | } |
| 3058 | assert(handler!=0); |
| 3059 | pass_args(rs,rt); |
| 3060 | if(temp2!=3) |
| 3061 | emit_mov(temp2,3); |
| 3062 | int cc=get_reg(i_regmap,CCREG); |
| 3063 | if(cc<0) |
| 3064 | emit_loadreg(CCREG,2); |
| 2573466a |
3065 | emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n][6]+1),2); |
| b96d3df7 |
3066 | // returns new cycle_count |
| 3067 | emit_call(handler); |
| 2573466a |
3068 | emit_addimm(0,-CLOCK_ADJUST((int)stubs[n][6]+1),cc<0?2:cc); |
| b96d3df7 |
3069 | if(cc<0) |
| 3070 | emit_storereg(CCREG,2); |
| 3071 | if(restore_jump) |
| 3072 | set_jump_target(restore_jump,(int)out); |
| 3073 | restore_regs(reglist); |
| 3074 | ra=stubs[n][2]; |
| b96d3df7 |
3075 | emit_jmp(ra); |
| 57871462 |
3076 | } |
| 3077 | |
| 3078 | inline_writestub(int type, int i, u_int addr, signed char regmap[], int target, int adj, u_int reglist) |
| 3079 | { |
| 3080 | int rs=get_reg(regmap,-1); |
| 3081 | int rth=get_reg(regmap,target|64); |
| 3082 | int rt=get_reg(regmap,target); |
| 3083 | assert(rs>=0); |
| 3084 | assert(rt>=0); |
| b96d3df7 |
3085 | u_int handler,host_addr=0; |
| b96d3df7 |
3086 | handler=get_direct_memhandler(mem_wtab,addr,type,&host_addr); |
| 3087 | if (handler==0) { |
| 13e35c04 |
3088 | if(addr!=host_addr) |
| 3089 | emit_movimm_from(addr,rs,host_addr,rs); |
| b96d3df7 |
3090 | switch(type) { |
| 3091 | case STOREB_STUB: emit_writebyte_indexed(rt,0,rs); break; |
| 3092 | case STOREH_STUB: emit_writehword_indexed(rt,0,rs); break; |
| 3093 | case STOREW_STUB: emit_writeword_indexed(rt,0,rs); break; |
| 3094 | default: assert(0); |
| 3095 | } |
| 3096 | return; |
| 3097 | } |
| 3098 | |
| 3099 | // call a memhandler |
| 3100 | save_regs(reglist); |
| 13e35c04 |
3101 | pass_args(rs,rt); |
| b96d3df7 |
3102 | int cc=get_reg(regmap,CCREG); |
| 3103 | if(cc<0) |
| 3104 | emit_loadreg(CCREG,2); |
| 2573466a |
3105 | emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2); |
| b96d3df7 |
3106 | emit_movimm(handler,3); |
| 3107 | // returns new cycle_count |
| 3108 | emit_call((int)jump_handler_write_h); |
| 2573466a |
3109 | emit_addimm(0,-CLOCK_ADJUST(adj+1),cc<0?2:cc); |
| b96d3df7 |
3110 | if(cc<0) |
| 3111 | emit_storereg(CCREG,2); |
| 3112 | restore_regs(reglist); |
| 57871462 |
3113 | } |
| 3114 | |
| 3115 | do_unalignedwritestub(int n) |
| 3116 | { |
| b7918751 |
3117 | assem_debug("do_unalignedwritestub %x\n",start+stubs[n][3]*4); |
| 3118 | literal_pool(256); |
| 57871462 |
3119 | set_jump_target(stubs[n][1],(int)out); |
| b7918751 |
3120 | |
| 3121 | int i=stubs[n][3]; |
| 3122 | struct regstat *i_regs=(struct regstat *)stubs[n][4]; |
| 3123 | int addr=stubs[n][5]; |
| 3124 | u_int reglist=stubs[n][7]; |
| 3125 | signed char *i_regmap=i_regs->regmap; |
| 3126 | int temp2=get_reg(i_regmap,FTEMP); |
| 3127 | int rt; |
| 3128 | int ds, real_rs; |
| 3129 | rt=get_reg(i_regmap,rs2[i]); |
| 3130 | assert(rt>=0); |
| 3131 | assert(addr>=0); |
| 3132 | assert(opcode[i]==0x2a||opcode[i]==0x2e); // SWL/SWR only implemented |
| 3133 | reglist|=(1<<addr); |
| 3134 | reglist&=~(1<<temp2); |
| 3135 | |
| b96d3df7 |
3136 | #if 1 |
| 3137 | // don't bother with it and call write handler |
| 3138 | save_regs(reglist); |
| 3139 | pass_args(addr,rt); |
| 3140 | int cc=get_reg(i_regmap,CCREG); |
| 3141 | if(cc<0) |
| 3142 | emit_loadreg(CCREG,2); |
| 2573466a |
3143 | emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n][6]+1),2); |
| b96d3df7 |
3144 | emit_call((int)(opcode[i]==0x2a?jump_handle_swl:jump_handle_swr)); |
| 2573466a |
3145 | emit_addimm(0,-CLOCK_ADJUST((int)stubs[n][6]+1),cc<0?2:cc); |
| b96d3df7 |
3146 | if(cc<0) |
| 3147 | emit_storereg(CCREG,2); |
| 3148 | restore_regs(reglist); |
| 3149 | emit_jmp(stubs[n][2]); // return address |
| 3150 | #else |
| b7918751 |
3151 | emit_andimm(addr,0xfffffffc,temp2); |
| 3152 | emit_writeword(temp2,(int)&address); |
| 3153 | |
| 3154 | save_regs(reglist); |
| b7918751 |
3155 | emit_shrimm(addr,16,1); |
| 3156 | int cc=get_reg(i_regmap,CCREG); |
| 3157 | if(cc<0) { |
| 3158 | emit_loadreg(CCREG,2); |
| 3159 | } |
| 3160 | emit_movimm((u_int)readmem,0); |
| 3161 | emit_addimm(cc<0?2:cc,2*stubs[n][6]+2,2); |
| b7918751 |
3162 | emit_call((int)&indirect_jump_indexed); |
| 3163 | restore_regs(reglist); |
| 3164 | |
| 3165 | emit_readword((int)&readmem_dword,temp2); |
| 3166 | int temp=addr; //hmh |
| 3167 | emit_shlimm(addr,3,temp); |
| 3168 | emit_andimm(temp,24,temp); |
| 3169 | #ifdef BIG_ENDIAN_MIPS |
| 3170 | if (opcode[i]==0x2e) // SWR |
| 3171 | #else |
| 3172 | if (opcode[i]==0x2a) // SWL |
| 3173 | #endif |
| 3174 | emit_xorimm(temp,24,temp); |
| 3175 | emit_movimm(-1,HOST_TEMPREG); |
| 55439448 |
3176 | if (opcode[i]==0x2a) { // SWL |
| b7918751 |
3177 | emit_bic_lsr(temp2,HOST_TEMPREG,temp,temp2); |
| 3178 | emit_orrshr(rt,temp,temp2); |
| 3179 | }else{ |
| 3180 | emit_bic_lsl(temp2,HOST_TEMPREG,temp,temp2); |
| 3181 | emit_orrshl(rt,temp,temp2); |
| 3182 | } |
| 3183 | emit_readword((int)&address,addr); |
| 3184 | emit_writeword(temp2,(int)&word); |
| 3185 | //save_regs(reglist); // don't need to, no state changes |
| 3186 | emit_shrimm(addr,16,1); |
| 3187 | emit_movimm((u_int)writemem,0); |
| 3188 | //emit_call((int)&indirect_jump_indexed); |
| 3189 | emit_mov(15,14); |
| 3190 | emit_readword_dualindexedx4(0,1,15); |
| 3191 | emit_readword((int)&Count,HOST_TEMPREG); |
| 3192 | emit_readword((int)&next_interupt,2); |
| 3193 | emit_addimm(HOST_TEMPREG,-2*stubs[n][6]-2,HOST_TEMPREG); |
| 3194 | emit_writeword(2,(int)&last_count); |
| 3195 | emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc); |
| 3196 | if(cc<0) { |
| 3197 | emit_storereg(CCREG,HOST_TEMPREG); |
| 3198 | } |
| 3199 | restore_regs(reglist); |
| 57871462 |
3200 | emit_jmp(stubs[n][2]); // return address |
| b96d3df7 |
3201 | #endif |
| 57871462 |
3202 | } |
| 3203 | |
| 3204 | void printregs(int edi,int esi,int ebp,int esp,int b,int d,int c,int a) |
| 3205 | { |
| 3206 | printf("regs: %x %x %x %x %x %x %x (%x)\n",a,b,c,d,ebp,esi,edi,(&edi)[-1]); |
| 3207 | } |
| 3208 | |
| 3209 | do_invstub(int n) |
| 3210 | { |
| 3211 | literal_pool(20); |
| 3212 | u_int reglist=stubs[n][3]; |
| 3213 | set_jump_target(stubs[n][1],(int)out); |
| 3214 | save_regs(reglist); |
| 3215 | if(stubs[n][4]!=0) emit_mov(stubs[n][4],0); |
| 3216 | emit_call((int)&invalidate_addr); |
| 3217 | restore_regs(reglist); |
| 3218 | emit_jmp(stubs[n][2]); // return address |
| 3219 | } |
| 3220 | |
| 3221 | int do_dirty_stub(int i) |
| 3222 | { |
| 3223 | assem_debug("do_dirty_stub %x\n",start+i*4); |
| 71e490c5 |
3224 | u_int addr=(u_int)source; |
| 57871462 |
3225 | // Careful about the code output here, verify_dirty needs to parse it. |
| 665f33e1 |
3226 | #ifndef HAVE_ARMV7 |
| ac545b3a |
3227 | emit_loadlp(addr,1); |
| 57871462 |
3228 | emit_loadlp((int)copy,2); |
| 3229 | emit_loadlp(slen*4,3); |
| 3230 | #else |
| ac545b3a |
3231 | emit_movw(addr&0x0000FFFF,1); |
| 57871462 |
3232 | emit_movw(((u_int)copy)&0x0000FFFF,2); |
| ac545b3a |
3233 | emit_movt(addr&0xFFFF0000,1); |
| 57871462 |
3234 | emit_movt(((u_int)copy)&0xFFFF0000,2); |
| 3235 | emit_movw(slen*4,3); |
| 3236 | #endif |
| 3237 | emit_movimm(start+i*4,0); |
| 3238 | emit_call((int)start<(int)0xC0000000?(int)&verify_code:(int)&verify_code_vm); |
| 3239 | int entry=(int)out; |
| 3240 | load_regs_entry(i); |
| 3241 | if(entry==(int)out) entry=instr_addr[i]; |
| 3242 | emit_jmp(instr_addr[i]); |
| 3243 | return entry; |
| 3244 | } |
| 3245 | |
| 3246 | void do_dirty_stub_ds() |
| 3247 | { |
| 3248 | // Careful about the code output here, verify_dirty needs to parse it. |
| 665f33e1 |
3249 | #ifndef HAVE_ARMV7 |
| 57871462 |
3250 | emit_loadlp((int)start<(int)0xC0000000?(int)source:(int)start,1); |
| 3251 | emit_loadlp((int)copy,2); |
| 3252 | emit_loadlp(slen*4,3); |
| 3253 | #else |
| 3254 | emit_movw(((int)start<(int)0xC0000000?(u_int)source:(u_int)start)&0x0000FFFF,1); |
| 3255 | emit_movw(((u_int)copy)&0x0000FFFF,2); |
| 3256 | emit_movt(((int)start<(int)0xC0000000?(u_int)source:(u_int)start)&0xFFFF0000,1); |
| 3257 | emit_movt(((u_int)copy)&0xFFFF0000,2); |
| 3258 | emit_movw(slen*4,3); |
| 3259 | #endif |
| 3260 | emit_movimm(start+1,0); |
| 3261 | emit_call((int)&verify_code_ds); |
| 3262 | } |
| 3263 | |
| 3264 | do_cop1stub(int n) |
| 3265 | { |
| 3266 | literal_pool(256); |
| 3267 | assem_debug("do_cop1stub %x\n",start+stubs[n][3]*4); |
| 3268 | set_jump_target(stubs[n][1],(int)out); |
| 3269 | int i=stubs[n][3]; |
| 3d624f89 |
3270 | // int rs=stubs[n][4]; |
| 57871462 |
3271 | struct regstat *i_regs=(struct regstat *)stubs[n][5]; |
| 3272 | int ds=stubs[n][6]; |
| 3273 | if(!ds) { |
| 3274 | load_all_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty,i); |
| 3275 | //if(i_regs!=®s[i]) printf("oops: regs[i]=%x i_regs=%x",(int)®s[i],(int)i_regs); |
| 3276 | } |
| 3277 | //else {printf("fp exception in delay slot\n");} |
| 3278 | wb_dirtys(i_regs->regmap_entry,i_regs->was32,i_regs->wasdirty); |
| 3279 | if(regs[i].regmap_entry[HOST_CCREG]!=CCREG) emit_loadreg(CCREG,HOST_CCREG); |
| 3280 | emit_movimm(start+(i-ds)*4,EAX); // Get PC |
| 2573466a |
3281 | emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]),HOST_CCREG); // CHECK: is this right? There should probably be an extra cycle... |
| 57871462 |
3282 | emit_jmp(ds?(int)fp_exception_ds:(int)fp_exception); |
| 3283 | } |
| 3284 | |
| 57ab9898 |
3285 | static int do_tlb_r(int a, ...) { return 0; } |
| 3286 | static int do_tlb_r_branch(int a, ...) { return 0; } |
| 3287 | static int gen_tlb_addr_r(int a, ...) { return 0; } |
| 3288 | static int do_tlb_w(int a, ...) { return 0; } |
| 3289 | static int do_tlb_w_branch(int a, ...) { return 0; } |
| 3290 | static int gen_tlb_addr_w(int a, ...) { return 0; } |
| 63cb0298 |
3291 | |
| 57871462 |
3292 | /* Special assem */ |
| 3293 | |
| 3294 | void shift_assemble_arm(int i,struct regstat *i_regs) |
| 3295 | { |
| 3296 | if(rt1[i]) { |
| 3297 | if(opcode2[i]<=0x07) // SLLV/SRLV/SRAV |
| 3298 | { |
| 3299 | signed char s,t,shift; |
| 3300 | t=get_reg(i_regs->regmap,rt1[i]); |
| 3301 | s=get_reg(i_regs->regmap,rs1[i]); |
| 3302 | shift=get_reg(i_regs->regmap,rs2[i]); |
| 3303 | if(t>=0){ |
| 3304 | if(rs1[i]==0) |
| 3305 | { |
| 3306 | emit_zeroreg(t); |
| 3307 | } |
| 3308 | else if(rs2[i]==0) |
| 3309 | { |
| 3310 | assert(s>=0); |
| 3311 | if(s!=t) emit_mov(s,t); |
| 3312 | } |
| 3313 | else |
| 3314 | { |
| 3315 | emit_andimm(shift,31,HOST_TEMPREG); |
| 3316 | if(opcode2[i]==4) // SLLV |
| 3317 | { |
| 3318 | emit_shl(s,HOST_TEMPREG,t); |
| 3319 | } |
| 3320 | if(opcode2[i]==6) // SRLV |
| 3321 | { |
| 3322 | emit_shr(s,HOST_TEMPREG,t); |
| 3323 | } |
| 3324 | if(opcode2[i]==7) // SRAV |
| 3325 | { |
| 3326 | emit_sar(s,HOST_TEMPREG,t); |
| 3327 | } |
| 3328 | } |
| 3329 | } |
| 3330 | } else { // DSLLV/DSRLV/DSRAV |
| 3331 | signed char sh,sl,th,tl,shift; |
| 3332 | th=get_reg(i_regs->regmap,rt1[i]|64); |
| 3333 | tl=get_reg(i_regs->regmap,rt1[i]); |
| 3334 | sh=get_reg(i_regs->regmap,rs1[i]|64); |
| 3335 | sl=get_reg(i_regs->regmap,rs1[i]); |
| 3336 | shift=get_reg(i_regs->regmap,rs2[i]); |
| 3337 | if(tl>=0){ |
| 3338 | if(rs1[i]==0) |
| 3339 | { |
| 3340 | emit_zeroreg(tl); |
| 3341 | if(th>=0) emit_zeroreg(th); |
| 3342 | } |
| 3343 | else if(rs2[i]==0) |
| 3344 | { |
| 3345 | assert(sl>=0); |
| 3346 | if(sl!=tl) emit_mov(sl,tl); |
| 3347 | if(th>=0&&sh!=th) emit_mov(sh,th); |
| 3348 | } |
| 3349 | else |
| 3350 | { |
| 3351 | // FIXME: What if shift==tl ? |
| 3352 | assert(shift!=tl); |
| 3353 | int temp=get_reg(i_regs->regmap,-1); |
| 3354 | int real_th=th; |
| 3355 | if(th<0&&opcode2[i]!=0x14) {th=temp;} // DSLLV doesn't need a temporary register |
| 3356 | assert(sl>=0); |
| 3357 | assert(sh>=0); |
| 3358 | emit_andimm(shift,31,HOST_TEMPREG); |
| 3359 | if(opcode2[i]==0x14) // DSLLV |
| 3360 | { |
| 3361 | if(th>=0) emit_shl(sh,HOST_TEMPREG,th); |
| 3362 | emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG); |
| 3363 | emit_orrshr(sl,HOST_TEMPREG,th); |
| 3364 | emit_andimm(shift,31,HOST_TEMPREG); |
| 3365 | emit_testimm(shift,32); |
| 3366 | emit_shl(sl,HOST_TEMPREG,tl); |
| 3367 | if(th>=0) emit_cmovne_reg(tl,th); |
| 3368 | emit_cmovne_imm(0,tl); |
| 3369 | } |
| 3370 | if(opcode2[i]==0x16) // DSRLV |
| 3371 | { |
| 3372 | assert(th>=0); |
| 3373 | emit_shr(sl,HOST_TEMPREG,tl); |
| 3374 | emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG); |
| 3375 | emit_orrshl(sh,HOST_TEMPREG,tl); |
| 3376 | emit_andimm(shift,31,HOST_TEMPREG); |
| 3377 | emit_testimm(shift,32); |
| 3378 | emit_shr(sh,HOST_TEMPREG,th); |
| 3379 | emit_cmovne_reg(th,tl); |
| 3380 | if(real_th>=0) emit_cmovne_imm(0,th); |
| 3381 | } |
| 3382 | if(opcode2[i]==0x17) // DSRAV |
| 3383 | { |
| 3384 | assert(th>=0); |
| 3385 | emit_shr(sl,HOST_TEMPREG,tl); |
| 3386 | emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG); |
| 3387 | if(real_th>=0) { |
| 3388 | assert(temp>=0); |
| 3389 | emit_sarimm(th,31,temp); |
| 3390 | } |
| 3391 | emit_orrshl(sh,HOST_TEMPREG,tl); |
| 3392 | emit_andimm(shift,31,HOST_TEMPREG); |
| 3393 | emit_testimm(shift,32); |
| 3394 | emit_sar(sh,HOST_TEMPREG,th); |
| 3395 | emit_cmovne_reg(th,tl); |
| 3396 | if(real_th>=0) emit_cmovne_reg(temp,th); |
| 3397 | } |
| 3398 | } |
| 3399 | } |
| 3400 | } |
| 3401 | } |
| 3402 | } |
| ffb0b9e0 |
3403 | |
| ffb0b9e0 |
3404 | static void speculate_mov(int rs,int rt) |
| 3405 | { |
| 3406 | if(rt!=0) { |
| 3407 | smrv_strong_next|=1<<rt; |
| 3408 | smrv[rt]=smrv[rs]; |
| 3409 | } |
| 3410 | } |
| 3411 | |
| 3412 | static void speculate_mov_weak(int rs,int rt) |
| 3413 | { |
| 3414 | if(rt!=0) { |
| 3415 | smrv_weak_next|=1<<rt; |
| 3416 | smrv[rt]=smrv[rs]; |
| 3417 | } |
| 3418 | } |
| 3419 | |
| 3420 | static void speculate_register_values(int i) |
| 3421 | { |
| 3422 | if(i==0) { |
| 3423 | memcpy(smrv,psxRegs.GPR.r,sizeof(smrv)); |
| 3424 | // gp,sp are likely to stay the same throughout the block |
| 3425 | smrv_strong_next=(1<<28)|(1<<29)|(1<<30); |
| 3426 | smrv_weak_next=~smrv_strong_next; |
| 3427 | //printf(" llr %08x\n", smrv[4]); |
| 3428 | } |
| 3429 | smrv_strong=smrv_strong_next; |
| 3430 | smrv_weak=smrv_weak_next; |
| 3431 | switch(itype[i]) { |
| 3432 | case ALU: |
| 3433 | if ((smrv_strong>>rs1[i])&1) speculate_mov(rs1[i],rt1[i]); |
| 3434 | else if((smrv_strong>>rs2[i])&1) speculate_mov(rs2[i],rt1[i]); |
| 3435 | else if((smrv_weak>>rs1[i])&1) speculate_mov_weak(rs1[i],rt1[i]); |
| 3436 | else if((smrv_weak>>rs2[i])&1) speculate_mov_weak(rs2[i],rt1[i]); |
| 3437 | else { |
| 3438 | smrv_strong_next&=~(1<<rt1[i]); |
| 3439 | smrv_weak_next&=~(1<<rt1[i]); |
| 3440 | } |
| 3441 | break; |
| 3442 | case SHIFTIMM: |
| 3443 | smrv_strong_next&=~(1<<rt1[i]); |
| 3444 | smrv_weak_next&=~(1<<rt1[i]); |
| 3445 | // fallthrough |
| 3446 | case IMM16: |
| 3447 | if(rt1[i]&&is_const(®s[i],rt1[i])) { |
| 3448 | int value,hr=get_reg(regs[i].regmap,rt1[i]); |
| 3449 | if(hr>=0) { |
| 3450 | if(get_final_value(hr,i,&value)) |
| 3451 | smrv[rt1[i]]=value; |
| 3452 | else smrv[rt1[i]]=constmap[i][hr]; |
| 3453 | smrv_strong_next|=1<<rt1[i]; |
| 3454 | } |
| 3455 | } |
| 3456 | else { |
| 3457 | if ((smrv_strong>>rs1[i])&1) speculate_mov(rs1[i],rt1[i]); |
| 3458 | else if((smrv_weak>>rs1[i])&1) speculate_mov_weak(rs1[i],rt1[i]); |
| 3459 | } |
| 3460 | break; |
| 3461 | case LOAD: |
| 3462 | if(start<0x2000&&(rt1[i]==26||(smrv[rt1[i]]>>24)==0xa0)) { |
| 3463 | // special case for BIOS |
| 3464 | smrv[rt1[i]]=0xa0000000; |
| 3465 | smrv_strong_next|=1<<rt1[i]; |
| 3466 | break; |
| 3467 | } |
| 3468 | // fallthrough |
| 3469 | case SHIFT: |
| 3470 | case LOADLR: |
| 3471 | case MOV: |
| 3472 | smrv_strong_next&=~(1<<rt1[i]); |
| 3473 | smrv_weak_next&=~(1<<rt1[i]); |
| 3474 | break; |
| 3475 | case COP0: |
| 3476 | case COP2: |
| 3477 | if(opcode2[i]==0||opcode2[i]==2) { // MFC/CFC |
| 3478 | smrv_strong_next&=~(1<<rt1[i]); |
| 3479 | smrv_weak_next&=~(1<<rt1[i]); |
| 3480 | } |
| 3481 | break; |
| 3482 | case C2LS: |
| 3483 | if (opcode[i]==0x32) { // LWC2 |
| 3484 | smrv_strong_next&=~(1<<rt1[i]); |
| 3485 | smrv_weak_next&=~(1<<rt1[i]); |
| 3486 | } |
| 3487 | break; |
| 3488 | } |
| 3489 | #if 0 |
| 3490 | int r=4; |
| 3491 | printf("x %08x %08x %d %d c %08x %08x\n",smrv[r],start+i*4, |
| 3492 | ((smrv_strong>>r)&1),(smrv_weak>>r)&1,regs[i].isconst,regs[i].wasconst); |
| 3493 | #endif |
| 3494 | } |
| 3495 | |
| 3496 | enum { |
| 3497 | MTYPE_8000 = 0, |
| 3498 | MTYPE_8020, |
| 3499 | MTYPE_0000, |
| 3500 | MTYPE_A000, |
| 3501 | MTYPE_1F80, |
| 3502 | }; |
| 3503 | |
| 3504 | static int get_ptr_mem_type(u_int a) |
| 3505 | { |
| 3506 | if(a < 0x00200000) { |
| 3507 | if(a<0x1000&&((start>>20)==0xbfc||(start>>24)==0xa0)) |
| 3508 | // return wrong, must use memhandler for BIOS self-test to pass |
| 3509 | // 007 does similar stuff from a00 mirror, weird stuff |
| 3510 | return MTYPE_8000; |
| 3511 | return MTYPE_0000; |
| 3512 | } |
| 3513 | if(0x1f800000 <= a && a < 0x1f801000) |
| 3514 | return MTYPE_1F80; |
| 3515 | if(0x80200000 <= a && a < 0x80800000) |
| 3516 | return MTYPE_8020; |
| 3517 | if(0xa0000000 <= a && a < 0xa0200000) |
| 3518 | return MTYPE_A000; |
| 3519 | return MTYPE_8000; |
| 3520 | } |
| ffb0b9e0 |
3521 | |
| 3522 | static int emit_fastpath_cmp_jump(int i,int addr,int *addr_reg_override) |
| 3523 | { |
| 3524 | int jaddr,type=0; |
| ffb0b9e0 |
3525 | int mr=rs1[i]; |
| 3526 | if(((smrv_strong|smrv_weak)>>mr)&1) { |
| 3527 | type=get_ptr_mem_type(smrv[mr]); |
| 3528 | //printf("set %08x @%08x r%d %d\n", smrv[mr], start+i*4, mr, type); |
| 3529 | } |
| 3530 | else { |
| 3531 | // use the mirror we are running on |
| 3532 | type=get_ptr_mem_type(start); |
| 3533 | //printf("set nospec @%08x r%d %d\n", start+i*4, mr, type); |
| 3534 | } |
| 3535 | |
| 3536 | if(type==MTYPE_8020) { // RAM 80200000+ mirror |
| 3537 | emit_andimm(addr,~0x00e00000,HOST_TEMPREG); |
| 3538 | addr=*addr_reg_override=HOST_TEMPREG; |
| 3539 | type=0; |
| 3540 | } |
| 3541 | else if(type==MTYPE_0000) { // RAM 0 mirror |
| 3542 | emit_orimm(addr,0x80000000,HOST_TEMPREG); |
| 3543 | addr=*addr_reg_override=HOST_TEMPREG; |
| 3544 | type=0; |
| 3545 | } |
| 3546 | else if(type==MTYPE_A000) { // RAM A mirror |
| 3547 | emit_andimm(addr,~0x20000000,HOST_TEMPREG); |
| 3548 | addr=*addr_reg_override=HOST_TEMPREG; |
| 3549 | type=0; |
| 3550 | } |
| 3551 | else if(type==MTYPE_1F80) { // scratchpad |
| 6d760c92 |
3552 | if (psxH == (void *)0x1f800000) { |
| 3553 | emit_addimm(addr,-0x1f800000,HOST_TEMPREG); |
| 3554 | emit_cmpimm(HOST_TEMPREG,0x1000); |
| 3555 | jaddr=(int)out; |
| 3556 | emit_jc(0); |
| 3557 | } |
| 3558 | else { |
| 3559 | // do usual RAM check, jump will go to the right handler |
| 3560 | type=0; |
| 3561 | } |
| ffb0b9e0 |
3562 | } |
| ffb0b9e0 |
3563 | |
| 3564 | if(type==0) |
| 3565 | { |
| 3566 | emit_cmpimm(addr,RAM_SIZE); |
| 3567 | jaddr=(int)out; |
| 3568 | #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
| 3569 | // Hint to branch predictor that the branch is unlikely to be taken |
| 3570 | if(rs1[i]>=28) |
| 3571 | emit_jno_unlikely(0); |
| 3572 | else |
| 3573 | #endif |
| 3574 | emit_jno(0); |
| a327ad27 |
3575 | if(ram_offset!=0) { |
| 3576 | emit_addimm(addr,ram_offset,HOST_TEMPREG); |
| 3577 | addr=*addr_reg_override=HOST_TEMPREG; |
| 3578 | } |
| ffb0b9e0 |
3579 | } |
| 3580 | |
| 3581 | return jaddr; |
| 3582 | } |
| 3583 | |
| 57871462 |
3584 | #define shift_assemble shift_assemble_arm |
| 3585 | |
| 3586 | void loadlr_assemble_arm(int i,struct regstat *i_regs) |
| 3587 | { |
| 3588 | int s,th,tl,temp,temp2,addr,map=-1; |
| 3589 | int offset; |
| 3590 | int jaddr=0; |
| af4ee1fe |
3591 | int memtarget=0,c=0; |
| ffb0b9e0 |
3592 | int fastload_reg_override=0; |
| 57871462 |
3593 | u_int hr,reglist=0; |
| 3594 | th=get_reg(i_regs->regmap,rt1[i]|64); |
| 3595 | tl=get_reg(i_regs->regmap,rt1[i]); |
| 3596 | s=get_reg(i_regs->regmap,rs1[i]); |
| 3597 | temp=get_reg(i_regs->regmap,-1); |
| 3598 | temp2=get_reg(i_regs->regmap,FTEMP); |
| 3599 | addr=get_reg(i_regs->regmap,AGEN1+(i&1)); |
| 3600 | assert(addr<0); |
| 3601 | offset=imm[i]; |
| 3602 | for(hr=0;hr<HOST_REGS;hr++) { |
| 3603 | if(i_regs->regmap[hr]>=0) reglist|=1<<hr; |
| 3604 | } |
| 3605 | reglist|=1<<temp; |
| 3606 | if(offset||s<0||c) addr=temp2; |
| 3607 | else addr=s; |
| 3608 | if(s>=0) { |
| 3609 | c=(i_regs->wasconst>>s)&1; |
| af4ee1fe |
3610 | if(c) { |
| 3611 | memtarget=((signed int)(constmap[i][s]+offset))<(signed int)0x80000000+RAM_SIZE; |
| 3612 | if(using_tlb&&((signed int)(constmap[i][s]+offset))>=(signed int)0xC0000000) memtarget=1; |
| 3613 | } |
| 57871462 |
3614 | } |
| 535d208a |
3615 | if(!using_tlb) { |
| 3616 | if(!c) { |
| 3617 | #ifdef RAM_OFFSET |
| 3618 | map=get_reg(i_regs->regmap,ROREG); |
| 3619 | if(map<0) emit_loadreg(ROREG,map=HOST_TEMPREG); |
| 3620 | #endif |
| 3621 | emit_shlimm(addr,3,temp); |
| 3622 | if (opcode[i]==0x22||opcode[i]==0x26) { |
| 3623 | emit_andimm(addr,0xFFFFFFFC,temp2); // LWL/LWR |
| 57871462 |
3624 | }else{ |
| 535d208a |
3625 | emit_andimm(addr,0xFFFFFFF8,temp2); // LDL/LDR |
| 57871462 |
3626 | } |
| ffb0b9e0 |
3627 | jaddr=emit_fastpath_cmp_jump(i,temp2,&fastload_reg_override); |
| 535d208a |
3628 | } |
| 3629 | else { |
| a327ad27 |
3630 | if(ram_offset&&memtarget) { |
| 3631 | emit_addimm(temp2,ram_offset,HOST_TEMPREG); |
| 3632 | fastload_reg_override=HOST_TEMPREG; |
| 3633 | } |
| 535d208a |
3634 | if (opcode[i]==0x22||opcode[i]==0x26) { |
| 3635 | emit_movimm(((constmap[i][s]+offset)<<3)&24,temp); // LWL/LWR |
| 3636 | }else{ |
| 3637 | emit_movimm(((constmap[i][s]+offset)<<3)&56,temp); // LDL/LDR |
| 57871462 |
3638 | } |
| 57871462 |
3639 | } |
| 535d208a |
3640 | }else{ // using tlb |
| 3641 | int a; |
| 3642 | if(c) { |
| 3643 | a=-1; |
| 3644 | }else if (opcode[i]==0x22||opcode[i]==0x26) { |
| 3645 | a=0xFFFFFFFC; // LWL/LWR |
| 3646 | }else{ |
| 3647 | a=0xFFFFFFF8; // LDL/LDR |
| 3648 | } |
| 3649 | map=get_reg(i_regs->regmap,TLREG); |
| 3650 | assert(map>=0); |
| ea3d2e6e |
3651 | reglist&=~(1<<map); |
| 535d208a |
3652 | if(c) { |
| 3653 | if (opcode[i]==0x22||opcode[i]==0x26) { |
| 3654 | emit_movimm(((constmap[i][s]+offset)<<3)&24,temp); // LWL/LWR |
| 3655 | }else{ |
| 3656 | emit_movimm(((constmap[i][s]+offset)<<3)&56,temp); // LDL/LDR |
| 57871462 |
3657 | } |
| 535d208a |
3658 | } |
| 535d208a |
3659 | } |
| 3660 | if (opcode[i]==0x22||opcode[i]==0x26) { // LWL/LWR |
| 3661 | if(!c||memtarget) { |
| ffb0b9e0 |
3662 | int a=temp2; |
| 3663 | if(fastload_reg_override) a=fastload_reg_override; |
| 535d208a |
3664 | //emit_readword_indexed((int)rdram-0x80000000,temp2,temp2); |
| ffb0b9e0 |
3665 | emit_readword_indexed_tlb(0,a,map,temp2); |
| 535d208a |
3666 | if(jaddr) add_stub(LOADW_STUB,jaddr,(int)out,i,temp2,(int)i_regs,ccadj[i],reglist); |
| 3667 | } |
| 3668 | else |
| 3669 | inline_readstub(LOADW_STUB,i,(constmap[i][s]+offset)&0xFFFFFFFC,i_regs->regmap,FTEMP,ccadj[i],reglist); |
| 3670 | if(rt1[i]) { |
| 3671 | assert(tl>=0); |
| 57871462 |
3672 | emit_andimm(temp,24,temp); |
| 2002a1db |
3673 | #ifdef BIG_ENDIAN_MIPS |
| 3674 | if (opcode[i]==0x26) // LWR |
| 3675 | #else |
| 3676 | if (opcode[i]==0x22) // LWL |
| 3677 | #endif |
| 3678 | emit_xorimm(temp,24,temp); |
| 57871462 |
3679 | emit_movimm(-1,HOST_TEMPREG); |
| 3680 | if (opcode[i]==0x26) { |
| 3681 | emit_shr(temp2,temp,temp2); |
| 3682 | emit_bic_lsr(tl,HOST_TEMPREG,temp,tl); |
| 3683 | }else{ |
| 3684 | emit_shl(temp2,temp,temp2); |
| 3685 | emit_bic_lsl(tl,HOST_TEMPREG,temp,tl); |
| 3686 | } |
| 3687 | emit_or(temp2,tl,tl); |
| 57871462 |
3688 | } |
| 535d208a |
3689 | //emit_storereg(rt1[i],tl); // DEBUG |
| 3690 | } |
| 3691 | if (opcode[i]==0x1A||opcode[i]==0x1B) { // LDL/LDR |
| ffb0b9e0 |
3692 | // FIXME: little endian, fastload_reg_override |
| 535d208a |
3693 | int temp2h=get_reg(i_regs->regmap,FTEMP|64); |
| 3694 | if(!c||memtarget) { |
| 3695 | //if(th>=0) emit_readword_indexed((int)rdram-0x80000000,temp2,temp2h); |
| 3696 | //emit_readword_indexed((int)rdram-0x7FFFFFFC,temp2,temp2); |
| 3697 | emit_readdword_indexed_tlb(0,temp2,map,temp2h,temp2); |
| 3698 | if(jaddr) add_stub(LOADD_STUB,jaddr,(int)out,i,temp2,(int)i_regs,ccadj[i],reglist); |
| 3699 | } |
| 3700 | else |
| 3701 | inline_readstub(LOADD_STUB,i,(constmap[i][s]+offset)&0xFFFFFFF8,i_regs->regmap,FTEMP,ccadj[i],reglist); |
| 3702 | if(rt1[i]) { |
| 3703 | assert(th>=0); |
| 3704 | assert(tl>=0); |
| 57871462 |
3705 | emit_testimm(temp,32); |
| 3706 | emit_andimm(temp,24,temp); |
| 3707 | if (opcode[i]==0x1A) { // LDL |
| 3708 | emit_rsbimm(temp,32,HOST_TEMPREG); |
| 3709 | emit_shl(temp2h,temp,temp2h); |
| 3710 | emit_orrshr(temp2,HOST_TEMPREG,temp2h); |
| 3711 | emit_movimm(-1,HOST_TEMPREG); |
| 3712 | emit_shl(temp2,temp,temp2); |
| 3713 | emit_cmove_reg(temp2h,th); |
| 3714 | emit_biceq_lsl(tl,HOST_TEMPREG,temp,tl); |
| 3715 | emit_bicne_lsl(th,HOST_TEMPREG,temp,th); |
| 3716 | emit_orreq(temp2,tl,tl); |
| 3717 | emit_orrne(temp2,th,th); |
| 3718 | } |
| 3719 | if (opcode[i]==0x1B) { // LDR |
| 3720 | emit_xorimm(temp,24,temp); |
| 3721 | emit_rsbimm(temp,32,HOST_TEMPREG); |
| 3722 | emit_shr(temp2,temp,temp2); |
| 3723 | emit_orrshl(temp2h,HOST_TEMPREG,temp2); |
| 3724 | emit_movimm(-1,HOST_TEMPREG); |
| 3725 | emit_shr(temp2h,temp,temp2h); |
| 3726 | emit_cmovne_reg(temp2,tl); |
| 3727 | emit_bicne_lsr(th,HOST_TEMPREG,temp,th); |
| 3728 | emit_biceq_lsr(tl,HOST_TEMPREG,temp,tl); |
| 3729 | emit_orrne(temp2h,th,th); |
| 3730 | emit_orreq(temp2h,tl,tl); |
| 3731 | } |
| 3732 | } |
| 3733 | } |
| 3734 | } |
| 3735 | #define loadlr_assemble loadlr_assemble_arm |
| 3736 | |
| 3737 | void cop0_assemble(int i,struct regstat *i_regs) |
| 3738 | { |
| 3739 | if(opcode2[i]==0) // MFC0 |
| 3740 | { |
| 3741 | signed char t=get_reg(i_regs->regmap,rt1[i]); |
| 3742 | char copr=(source[i]>>11)&0x1f; |
| 3743 | //assert(t>=0); // Why does this happen? OOT is weird |
| f1b3b369 |
3744 | if(t>=0&&rt1[i]!=0) { |
| 7139f3c8 |
3745 | emit_readword((int)®_cop0+copr*4,t); |
| 57871462 |
3746 | } |
| 3747 | } |
| 3748 | else if(opcode2[i]==4) // MTC0 |
| 3749 | { |
| 3750 | signed char s=get_reg(i_regs->regmap,rs1[i]); |
| 3751 | char copr=(source[i]>>11)&0x1f; |
| 3752 | assert(s>=0); |
| 63cb0298 |
3753 | wb_register(rs1[i],i_regs->regmap,i_regs->dirty,i_regs->is32); |
| 7139f3c8 |
3754 | if(copr==9||copr==11||copr==12||copr==13) { |
| 63cb0298 |
3755 | emit_readword((int)&last_count,HOST_TEMPREG); |
| 57871462 |
3756 | emit_loadreg(CCREG,HOST_CCREG); // TODO: do proper reg alloc |
| 63cb0298 |
3757 | emit_add(HOST_CCREG,HOST_TEMPREG,HOST_CCREG); |
| 2573466a |
3758 | emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]),HOST_CCREG); |
| 57871462 |
3759 | emit_writeword(HOST_CCREG,(int)&Count); |
| 3760 | } |
| 3761 | // What a mess. The status register (12) can enable interrupts, |
| 3762 | // so needs a special case to handle a pending interrupt. |
| 3763 | // The interrupt must be taken immediately, because a subsequent |
| 3764 | // instruction might disable interrupts again. |
| 7139f3c8 |
3765 | if(copr==12||copr==13) { |
| fca1aef2 |
3766 | if (is_delayslot) { |
| 3767 | // burn cycles to cause cc_interrupt, which will |
| 3768 | // reschedule next_interupt. Relies on CCREG from above. |
| 3769 | assem_debug("MTC0 DS %d\n", copr); |
| 3770 | emit_writeword(HOST_CCREG,(int)&last_count); |
| 3771 | emit_movimm(0,HOST_CCREG); |
| 3772 | emit_storereg(CCREG,HOST_CCREG); |
| caeefe31 |
3773 | emit_loadreg(rs1[i],1); |
| fca1aef2 |
3774 | emit_movimm(copr,0); |
| 3775 | emit_call((int)pcsx_mtc0_ds); |
| 042c7287 |
3776 | emit_loadreg(rs1[i],s); |
| fca1aef2 |
3777 | return; |
| 3778 | } |
| 63cb0298 |
3779 | emit_movimm(start+i*4+4,HOST_TEMPREG); |
| 3780 | emit_writeword(HOST_TEMPREG,(int)&pcaddr); |
| 3781 | emit_movimm(0,HOST_TEMPREG); |
| 3782 | emit_writeword(HOST_TEMPREG,(int)&pending_exception); |
| 57871462 |
3783 | } |
| 3784 | //else if(copr==12&&is_delayslot) emit_call((int)MTC0_R12); |
| 3785 | //else |
| caeefe31 |
3786 | if(s==HOST_CCREG) |
| 3787 | emit_loadreg(rs1[i],1); |
| 3788 | else if(s!=1) |
| 63cb0298 |
3789 | emit_mov(s,1); |
| fca1aef2 |
3790 | emit_movimm(copr,0); |
| 3791 | emit_call((int)pcsx_mtc0); |
| 7139f3c8 |
3792 | if(copr==9||copr==11||copr==12||copr==13) { |
| 57871462 |
3793 | emit_readword((int)&Count,HOST_CCREG); |
| 042c7287 |
3794 | emit_readword((int)&next_interupt,HOST_TEMPREG); |
| 2573466a |
3795 | emit_addimm(HOST_CCREG,-CLOCK_ADJUST(ccadj[i]),HOST_CCREG); |
| 042c7287 |
3796 | emit_sub(HOST_CCREG,HOST_TEMPREG,HOST_CCREG); |
| 3797 | emit_writeword(HOST_TEMPREG,(int)&last_count); |
| 57871462 |
3798 | emit_storereg(CCREG,HOST_CCREG); |
| 3799 | } |
| 7139f3c8 |
3800 | if(copr==12||copr==13) { |
| 57871462 |
3801 | assert(!is_delayslot); |
| 3802 | emit_readword((int)&pending_exception,14); |
| 042c7287 |
3803 | emit_test(14,14); |
| 3804 | emit_jne((int)&do_interrupt); |
| 57871462 |
3805 | } |
| 3806 | emit_loadreg(rs1[i],s); |
| 3807 | if(get_reg(i_regs->regmap,rs1[i]|64)>=0) |
| 3808 | emit_loadreg(rs1[i]|64,get_reg(i_regs->regmap,rs1[i]|64)); |
| 57871462 |
3809 | cop1_usable=0; |
| 3810 | } |
| 3811 | else |
| 3812 | { |
| 3813 | assert(opcode2[i]==0x10); |
| 576bbd8f |
3814 | if((source[i]&0x3f)==0x10) // RFE |
| 3815 | { |
| 3816 | emit_readword((int)&Status,0); |
| 3817 | emit_andimm(0,0x3c,1); |
| 3818 | emit_andimm(0,~0xf,0); |
| 3819 | emit_orrshr_imm(1,2,0); |
| 3820 | emit_writeword(0,(int)&Status); |
| 3821 | } |
| 57871462 |
3822 | } |
| 3823 | } |
| 3824 | |
| b9b61529 |
3825 | static void cop2_get_dreg(u_int copr,signed char tl,signed char temp) |
| 3826 | { |
| 3827 | switch (copr) { |
| 3828 | case 1: |
| 3829 | case 3: |
| 3830 | case 5: |
| 3831 | case 8: |
| 3832 | case 9: |
| 3833 | case 10: |
| 3834 | case 11: |
| 3835 | emit_readword((int)®_cop2d[copr],tl); |
| 3836 | emit_signextend16(tl,tl); |
| 3837 | emit_writeword(tl,(int)®_cop2d[copr]); // hmh |
| 3838 | break; |
| 3839 | case 7: |
| 3840 | case 16: |
| 3841 | case 17: |
| 3842 | case 18: |
| 3843 | case 19: |
| 3844 | emit_readword((int)®_cop2d[copr],tl); |
| 3845 | emit_andimm(tl,0xffff,tl); |
| 3846 | emit_writeword(tl,(int)®_cop2d[copr]); |
| 3847 | break; |
| 3848 | case 15: |
| 3849 | emit_readword((int)®_cop2d[14],tl); // SXY2 |
| 3850 | emit_writeword(tl,(int)®_cop2d[copr]); |
| 3851 | break; |
| 3852 | case 28: |
| b9b61529 |
3853 | case 29: |
| 3854 | emit_readword((int)®_cop2d[9],temp); |
| 3855 | emit_testimm(temp,0x8000); // do we need this? |
| 3856 | emit_andimm(temp,0xf80,temp); |
| 3857 | emit_andne_imm(temp,0,temp); |
| f70d384d |
3858 | emit_shrimm(temp,7,tl); |
| b9b61529 |
3859 | emit_readword((int)®_cop2d[10],temp); |
| 3860 | emit_testimm(temp,0x8000); |
| 3861 | emit_andimm(temp,0xf80,temp); |
| 3862 | emit_andne_imm(temp,0,temp); |
| f70d384d |
3863 | emit_orrshr_imm(temp,2,tl); |
| b9b61529 |
3864 | emit_readword((int)®_cop2d[11],temp); |
| 3865 | emit_testimm(temp,0x8000); |
| 3866 | emit_andimm(temp,0xf80,temp); |
| 3867 | emit_andne_imm(temp,0,temp); |
| f70d384d |
3868 | emit_orrshl_imm(temp,3,tl); |
| b9b61529 |
3869 | emit_writeword(tl,(int)®_cop2d[copr]); |
| 3870 | break; |
| 3871 | default: |
| 3872 | emit_readword((int)®_cop2d[copr],tl); |
| 3873 | break; |
| 3874 | } |
| 3875 | } |
| 3876 | |
| 3877 | static void cop2_put_dreg(u_int copr,signed char sl,signed char temp) |
| 3878 | { |
| 3879 | switch (copr) { |
| 3880 | case 15: |
| 3881 | emit_readword((int)®_cop2d[13],temp); // SXY1 |
| 3882 | emit_writeword(sl,(int)®_cop2d[copr]); |
| 3883 | emit_writeword(temp,(int)®_cop2d[12]); // SXY0 |
| 3884 | emit_readword((int)®_cop2d[14],temp); // SXY2 |
| 3885 | emit_writeword(sl,(int)®_cop2d[14]); |
| 3886 | emit_writeword(temp,(int)®_cop2d[13]); // SXY1 |
| 3887 | break; |
| 3888 | case 28: |
| 3889 | emit_andimm(sl,0x001f,temp); |
| f70d384d |
3890 | emit_shlimm(temp,7,temp); |
| b9b61529 |
3891 | emit_writeword(temp,(int)®_cop2d[9]); |
| 3892 | emit_andimm(sl,0x03e0,temp); |
| f70d384d |
3893 | emit_shlimm(temp,2,temp); |
| b9b61529 |
3894 | emit_writeword(temp,(int)®_cop2d[10]); |
| 3895 | emit_andimm(sl,0x7c00,temp); |
| f70d384d |
3896 | emit_shrimm(temp,3,temp); |
| b9b61529 |
3897 | emit_writeword(temp,(int)®_cop2d[11]); |
| 3898 | emit_writeword(sl,(int)®_cop2d[28]); |
| 3899 | break; |
| 3900 | case 30: |
| 3901 | emit_movs(sl,temp); |
| 3902 | emit_mvnmi(temp,temp); |
| 665f33e1 |
3903 | #ifdef HAVE_ARMV5 |
| b9b61529 |
3904 | emit_clz(temp,temp); |
| 665f33e1 |
3905 | #else |
| 3906 | emit_movs(temp,HOST_TEMPREG); |
| 3907 | emit_movimm(0,temp); |
| 3908 | emit_jeq((int)out+4*4); |
| 3909 | emit_addpl_imm(temp,1,temp); |
| 3910 | emit_lslpls_imm(HOST_TEMPREG,1,HOST_TEMPREG); |
| 3911 | emit_jns((int)out-2*4); |
| 3912 | #endif |
| b9b61529 |
3913 | emit_writeword(sl,(int)®_cop2d[30]); |
| 3914 | emit_writeword(temp,(int)®_cop2d[31]); |
| 3915 | break; |
| b9b61529 |
3916 | case 31: |
| 3917 | break; |
| 3918 | default: |
| 3919 | emit_writeword(sl,(int)®_cop2d[copr]); |
| 3920 | break; |
| 3921 | } |
| 3922 | } |
| 3923 | |
| 3924 | void cop2_assemble(int i,struct regstat *i_regs) |
| 3925 | { |
| 3926 | u_int copr=(source[i]>>11)&0x1f; |
| 3927 | signed char temp=get_reg(i_regs->regmap,-1); |
| 3928 | if (opcode2[i]==0) { // MFC2 |
| 3929 | signed char tl=get_reg(i_regs->regmap,rt1[i]); |
| f1b3b369 |
3930 | if(tl>=0&&rt1[i]!=0) |
| b9b61529 |
3931 | cop2_get_dreg(copr,tl,temp); |
| 3932 | } |
| 3933 | else if (opcode2[i]==4) { // MTC2 |
| 3934 | signed char sl=get_reg(i_regs->regmap,rs1[i]); |
| 3935 | cop2_put_dreg(copr,sl,temp); |
| 3936 | } |
| 3937 | else if (opcode2[i]==2) // CFC2 |
| 3938 | { |
| 3939 | signed char tl=get_reg(i_regs->regmap,rt1[i]); |
| f1b3b369 |
3940 | if(tl>=0&&rt1[i]!=0) |
| b9b61529 |
3941 | emit_readword((int)®_cop2c[copr],tl); |
| 3942 | } |
| 3943 | else if (opcode2[i]==6) // CTC2 |
| 3944 | { |
| 3945 | signed char sl=get_reg(i_regs->regmap,rs1[i]); |
| 3946 | switch(copr) { |
| 3947 | case 4: |
| 3948 | case 12: |
| 3949 | case 20: |
| 3950 | case 26: |
| 3951 | case 27: |
| 3952 | case 29: |
| 3953 | case 30: |
| 3954 | emit_signextend16(sl,temp); |
| 3955 | break; |
| 3956 | case 31: |
| 3957 | //value = value & 0x7ffff000; |
| 3958 | //if (value & 0x7f87e000) value |= 0x80000000; |
| 3959 | emit_shrimm(sl,12,temp); |
| 3960 | emit_shlimm(temp,12,temp); |
| 3961 | emit_testimm(temp,0x7f000000); |
| 3962 | emit_testeqimm(temp,0x00870000); |
| 3963 | emit_testeqimm(temp,0x0000e000); |
| 3964 | emit_orrne_imm(temp,0x80000000,temp); |
| 3965 | break; |
| 3966 | default: |
| 3967 | temp=sl; |
| 3968 | break; |
| 3969 | } |
| 3970 | emit_writeword(temp,(int)®_cop2c[copr]); |
| 3971 | assert(sl>=0); |
| 3972 | } |
| 3973 | } |
| 3974 | |
| 054175e9 |
3975 | static void c2op_prologue(u_int op,u_int reglist) |
| 3976 | { |
| 3977 | save_regs_all(reglist); |
| 82ed88eb |
3978 | #ifdef PCNT |
| 3979 | emit_movimm(op,0); |
| 3980 | emit_call((int)pcnt_gte_start); |
| 3981 | #endif |
| 054175e9 |
3982 | emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0); // cop2 regs |
| 3983 | } |
| 3984 | |
| 3985 | static void c2op_epilogue(u_int op,u_int reglist) |
| 3986 | { |
| 82ed88eb |
3987 | #ifdef PCNT |
| 3988 | emit_movimm(op,0); |
| 3989 | emit_call((int)pcnt_gte_end); |
| 3990 | #endif |
| 054175e9 |
3991 | restore_regs_all(reglist); |
| 3992 | } |
| 3993 | |
| 6c0eefaf |
3994 | static void c2op_call_MACtoIR(int lm,int need_flags) |
| 3995 | { |
| 3996 | if(need_flags) |
| 3997 | emit_call((int)(lm?gteMACtoIR_lm1:gteMACtoIR_lm0)); |
| 3998 | else |
| 3999 | emit_call((int)(lm?gteMACtoIR_lm1_nf:gteMACtoIR_lm0_nf)); |
| 4000 | } |
| 4001 | |
| 4002 | static void c2op_call_rgb_func(void *func,int lm,int need_ir,int need_flags) |
| 4003 | { |
| 4004 | emit_call((int)func); |
| 4005 | // func is C code and trashes r0 |
| 4006 | emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0); |
| 4007 | if(need_flags||need_ir) |
| 4008 | c2op_call_MACtoIR(lm,need_flags); |
| 4009 | emit_call((int)(need_flags?gteMACtoRGB:gteMACtoRGB_nf)); |
| 4010 | } |
| 4011 | |
| 054175e9 |
4012 | static void c2op_assemble(int i,struct regstat *i_regs) |
| b9b61529 |
4013 | { |
| 4014 | signed char temp=get_reg(i_regs->regmap,-1); |
| 4015 | u_int c2op=source[i]&0x3f; |
| 6c0eefaf |
4016 | u_int hr,reglist_full=0,reglist; |
| 054175e9 |
4017 | int need_flags,need_ir; |
| b9b61529 |
4018 | for(hr=0;hr<HOST_REGS;hr++) { |
| 6c0eefaf |
4019 | if(i_regs->regmap[hr]>=0) reglist_full|=1<<hr; |
| b9b61529 |
4020 | } |
| 4d646738 |
4021 | reglist=reglist_full&CALLER_SAVE_REGS; |
| b9b61529 |
4022 | |
| 4023 | if (gte_handlers[c2op]!=NULL) { |
| bedfea38 |
4024 | need_flags=!(gte_unneeded[i+1]>>63); // +1 because of how liveness detection works |
| 054175e9 |
4025 | need_ir=(gte_unneeded[i+1]&0xe00)!=0xe00; |
| cbbd8dd7 |
4026 | assem_debug("gte op %08x, unneeded %016llx, need_flags %d, need_ir %d\n", |
| 4027 | source[i],gte_unneeded[i+1],need_flags,need_ir); |
| 0ff8c62c |
4028 | if(new_dynarec_hacks&NDHACK_GTE_NO_FLAGS) |
| 4029 | need_flags=0; |
| 6c0eefaf |
4030 | int shift = (source[i] >> 19) & 1; |
| 4031 | int lm = (source[i] >> 10) & 1; |
| 054175e9 |
4032 | switch(c2op) { |
| 19776aef |
4033 | #ifndef DRC_DBG |
| 054175e9 |
4034 | case GTE_MVMVA: { |
| 82336ba3 |
4035 | #ifdef HAVE_ARMV5 |
| 054175e9 |
4036 | int v = (source[i] >> 15) & 3; |
| 4037 | int cv = (source[i] >> 13) & 3; |
| 4038 | int mx = (source[i] >> 17) & 3; |
| 4d646738 |
4039 | reglist=reglist_full&(CALLER_SAVE_REGS|0xf0); // +{r4-r7} |
| 054175e9 |
4040 | c2op_prologue(c2op,reglist); |
| 4041 | /* r4,r5 = VXYZ(v) packed; r6 = &MX11(mx); r7 = &CV1(cv) */ |
| 4042 | if(v<3) |
| 4043 | emit_ldrd(v*8,0,4); |
| 4044 | else { |
| 4045 | emit_movzwl_indexed(9*4,0,4); // gteIR |
| 4046 | emit_movzwl_indexed(10*4,0,6); |
| 4047 | emit_movzwl_indexed(11*4,0,5); |
| 4048 | emit_orrshl_imm(6,16,4); |
| 4049 | } |
| 4050 | if(mx<3) |
| 4051 | emit_addimm(0,32*4+mx*8*4,6); |
| 4052 | else |
| 4053 | emit_readword((int)&zeromem_ptr,6); |
| 4054 | if(cv<3) |
| 4055 | emit_addimm(0,32*4+(cv*8+5)*4,7); |
| 4056 | else |
| 4057 | emit_readword((int)&zeromem_ptr,7); |
| 4058 | #ifdef __ARM_NEON__ |
| 4059 | emit_movimm(source[i],1); // opcode |
| 4060 | emit_call((int)gteMVMVA_part_neon); |
| 4061 | if(need_flags) { |
| 4062 | emit_movimm(lm,1); |
| 4063 | emit_call((int)gteMACtoIR_flags_neon); |
| 4064 | } |
| 4065 | #else |
| 4066 | if(cv==3&&shift) |
| 4067 | emit_call((int)gteMVMVA_part_cv3sh12_arm); |
| 4068 | else { |
| 4069 | emit_movimm(shift,1); |
| 4070 | emit_call((int)(need_flags?gteMVMVA_part_arm:gteMVMVA_part_nf_arm)); |
| 4071 | } |
| 6c0eefaf |
4072 | if(need_flags||need_ir) |
| 4073 | c2op_call_MACtoIR(lm,need_flags); |
| 82336ba3 |
4074 | #endif |
| 4075 | #else /* if not HAVE_ARMV5 */ |
| 4076 | c2op_prologue(c2op,reglist); |
| 4077 | emit_movimm(source[i],1); // opcode |
| 4078 | emit_writeword(1,(int)&psxRegs.code); |
| 4079 | emit_call((int)(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op])); |
| 054175e9 |
4080 | #endif |
| 4081 | break; |
| 4082 | } |
| 6c0eefaf |
4083 | case GTE_OP: |
| 4084 | c2op_prologue(c2op,reglist); |
| 4085 | emit_call((int)(shift?gteOP_part_shift:gteOP_part_noshift)); |
| 4086 | if(need_flags||need_ir) { |
| 4087 | emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0); |
| 4088 | c2op_call_MACtoIR(lm,need_flags); |
| 4089 | } |
| 4090 | break; |
| 4091 | case GTE_DPCS: |
| 4092 | c2op_prologue(c2op,reglist); |
| 4093 | c2op_call_rgb_func(shift?gteDPCS_part_shift:gteDPCS_part_noshift,lm,need_ir,need_flags); |
| 4094 | break; |
| 4095 | case GTE_INTPL: |
| 4096 | c2op_prologue(c2op,reglist); |
| 4097 | c2op_call_rgb_func(shift?gteINTPL_part_shift:gteINTPL_part_noshift,lm,need_ir,need_flags); |
| 4098 | break; |
| 4099 | case GTE_SQR: |
| 4100 | c2op_prologue(c2op,reglist); |
| 4101 | emit_call((int)(shift?gteSQR_part_shift:gteSQR_part_noshift)); |
| 4102 | if(need_flags||need_ir) { |
| 4103 | emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0); |
| 4104 | c2op_call_MACtoIR(lm,need_flags); |
| 4105 | } |
| 4106 | break; |
| 4107 | case GTE_DCPL: |
| 4108 | c2op_prologue(c2op,reglist); |
| 4109 | c2op_call_rgb_func(gteDCPL_part,lm,need_ir,need_flags); |
| 4110 | break; |
| 4111 | case GTE_GPF: |
| 4112 | c2op_prologue(c2op,reglist); |
| 4113 | c2op_call_rgb_func(shift?gteGPF_part_shift:gteGPF_part_noshift,lm,need_ir,need_flags); |
| 4114 | break; |
| 4115 | case GTE_GPL: |
| 4116 | c2op_prologue(c2op,reglist); |
| 4117 | c2op_call_rgb_func(shift?gteGPL_part_shift:gteGPL_part_noshift,lm,need_ir,need_flags); |
| 4118 | break; |
| 19776aef |
4119 | #endif |
| 054175e9 |
4120 | default: |
| 054175e9 |
4121 | c2op_prologue(c2op,reglist); |
| 19776aef |
4122 | #ifdef DRC_DBG |
| 4123 | emit_movimm(source[i],1); // opcode |
| 4124 | emit_writeword(1,(int)&psxRegs.code); |
| 4125 | #endif |
| 054175e9 |
4126 | emit_call((int)(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op])); |
| 4127 | break; |
| 4128 | } |
| 4129 | c2op_epilogue(c2op,reglist); |
| 4130 | } |
| b9b61529 |
4131 | } |
| 4132 | |
| 4133 | void cop1_unusable(int i,struct regstat *i_regs) |
| 3d624f89 |
4134 | { |
| 4135 | // XXX: should just just do the exception instead |
| 4136 | if(!cop1_usable) { |
| 4137 | int jaddr=(int)out; |
| 4138 | emit_jmp(0); |
| 4139 | add_stub(FP_STUB,jaddr,(int)out,i,0,(int)i_regs,is_delayslot,0); |
| 4140 | cop1_usable=1; |
| 4141 | } |
| 4142 | } |
| 4143 | |
| 57871462 |
4144 | void cop1_assemble(int i,struct regstat *i_regs) |
| 4145 | { |
| 3d624f89 |
4146 | cop1_unusable(i, i_regs); |
| 57871462 |
4147 | } |
| 4148 | |
| 4149 | void fconv_assemble_arm(int i,struct regstat *i_regs) |
| 4150 | { |
| 3d624f89 |
4151 | cop1_unusable(i, i_regs); |
| 57871462 |
4152 | } |
| 4153 | #define fconv_assemble fconv_assemble_arm |
| 4154 | |
| 4155 | void fcomp_assemble(int i,struct regstat *i_regs) |
| 4156 | { |
| 3d624f89 |
4157 | cop1_unusable(i, i_regs); |
| 57871462 |
4158 | } |
| 4159 | |
| 4160 | void float_assemble(int i,struct regstat *i_regs) |
| 4161 | { |
| 3d624f89 |
4162 | cop1_unusable(i, i_regs); |
| 57871462 |
4163 | } |
| 4164 | |
| 4165 | void multdiv_assemble_arm(int i,struct regstat *i_regs) |
| 4166 | { |
| 4167 | // case 0x18: MULT |
| 4168 | // case 0x19: MULTU |
| 4169 | // case 0x1A: DIV |
| 4170 | // case 0x1B: DIVU |
| 4171 | // case 0x1C: DMULT |
| 4172 | // case 0x1D: DMULTU |
| 4173 | // case 0x1E: DDIV |
| 4174 | // case 0x1F: DDIVU |
| 4175 | if(rs1[i]&&rs2[i]) |
| 4176 | { |
| 4177 | if((opcode2[i]&4)==0) // 32-bit |
| 4178 | { |
| 4179 | if(opcode2[i]==0x18) // MULT |
| 4180 | { |
| 4181 | signed char m1=get_reg(i_regs->regmap,rs1[i]); |
| 4182 | signed char m2=get_reg(i_regs->regmap,rs2[i]); |
| 4183 | signed char hi=get_reg(i_regs->regmap,HIREG); |
| 4184 | signed char lo=get_reg(i_regs->regmap,LOREG); |
| 4185 | assert(m1>=0); |
| 4186 | assert(m2>=0); |
| 4187 | assert(hi>=0); |
| 4188 | assert(lo>=0); |
| 4189 | emit_smull(m1,m2,hi,lo); |
| 4190 | } |
| 4191 | if(opcode2[i]==0x19) // MULTU |
| 4192 | { |
| 4193 | signed char m1=get_reg(i_regs->regmap,rs1[i]); |
| 4194 | signed char m2=get_reg(i_regs->regmap,rs2[i]); |
| 4195 | signed char hi=get_reg(i_regs->regmap,HIREG); |
| 4196 | signed char lo=get_reg(i_regs->regmap,LOREG); |
| 4197 | assert(m1>=0); |
| 4198 | assert(m2>=0); |
| 4199 | assert(hi>=0); |
| 4200 | assert(lo>=0); |
| 4201 | emit_umull(m1,m2,hi,lo); |
| 4202 | } |
| 4203 | if(opcode2[i]==0x1A) // DIV |
| 4204 | { |
| 4205 | signed char d1=get_reg(i_regs->regmap,rs1[i]); |
| 4206 | signed char d2=get_reg(i_regs->regmap,rs2[i]); |
| 4207 | assert(d1>=0); |
| 4208 | assert(d2>=0); |
| 4209 | signed char quotient=get_reg(i_regs->regmap,LOREG); |
| 4210 | signed char remainder=get_reg(i_regs->regmap,HIREG); |
| 4211 | assert(quotient>=0); |
| 4212 | assert(remainder>=0); |
| 4213 | emit_movs(d1,remainder); |
| 44a80f6a |
4214 | emit_movimm(0xffffffff,quotient); |
| 4215 | emit_negmi(quotient,quotient); // .. quotient and .. |
| 4216 | emit_negmi(remainder,remainder); // .. remainder for div0 case (will be negated back after jump) |
| 57871462 |
4217 | emit_movs(d2,HOST_TEMPREG); |
| 4218 | emit_jeq((int)out+52); // Division by zero |
| 82336ba3 |
4219 | emit_negsmi(HOST_TEMPREG,HOST_TEMPREG); |
| 665f33e1 |
4220 | #ifdef HAVE_ARMV5 |
| 57871462 |
4221 | emit_clz(HOST_TEMPREG,quotient); |
| 4222 | emit_shl(HOST_TEMPREG,quotient,HOST_TEMPREG); |
| 665f33e1 |
4223 | #else |
| 4224 | emit_movimm(0,quotient); |
| 4225 | emit_addpl_imm(quotient,1,quotient); |
| 4226 | emit_lslpls_imm(HOST_TEMPREG,1,HOST_TEMPREG); |
| 4227 | emit_jns((int)out-2*4); |
| 4228 | #endif |
| 57871462 |
4229 | emit_orimm(quotient,1<<31,quotient); |
| 4230 | emit_shr(quotient,quotient,quotient); |
| 4231 | emit_cmp(remainder,HOST_TEMPREG); |
| 4232 | emit_subcs(remainder,HOST_TEMPREG,remainder); |
| 4233 | emit_adcs(quotient,quotient,quotient); |
| 4234 | emit_shrimm(HOST_TEMPREG,1,HOST_TEMPREG); |
| 4235 | emit_jcc((int)out-16); // -4 |
| 4236 | emit_teq(d1,d2); |
| 4237 | emit_negmi(quotient,quotient); |
| 4238 | emit_test(d1,d1); |
| 4239 | emit_negmi(remainder,remainder); |
| 4240 | } |
| 4241 | if(opcode2[i]==0x1B) // DIVU |
| 4242 | { |
| 4243 | signed char d1=get_reg(i_regs->regmap,rs1[i]); // dividend |
| 4244 | signed char d2=get_reg(i_regs->regmap,rs2[i]); // divisor |
| 4245 | assert(d1>=0); |
| 4246 | assert(d2>=0); |
| 4247 | signed char quotient=get_reg(i_regs->regmap,LOREG); |
| 4248 | signed char remainder=get_reg(i_regs->regmap,HIREG); |
| 4249 | assert(quotient>=0); |
| 4250 | assert(remainder>=0); |
| 44a80f6a |
4251 | emit_mov(d1,remainder); |
| 4252 | emit_movimm(0xffffffff,quotient); // div0 case |
| 57871462 |
4253 | emit_test(d2,d2); |
| 44a80f6a |
4254 | emit_jeq((int)out+40); // Division by zero |
| 665f33e1 |
4255 | #ifdef HAVE_ARMV5 |
| 57871462 |
4256 | emit_clz(d2,HOST_TEMPREG); |
| 4257 | emit_movimm(1<<31,quotient); |
| 4258 | emit_shl(d2,HOST_TEMPREG,d2); |
| 665f33e1 |
4259 | #else |
| 4260 | emit_movimm(0,HOST_TEMPREG); |
| 82336ba3 |
4261 | emit_addpl_imm(HOST_TEMPREG,1,HOST_TEMPREG); |
| 4262 | emit_lslpls_imm(d2,1,d2); |
| 665f33e1 |
4263 | emit_jns((int)out-2*4); |
| 4264 | emit_movimm(1<<31,quotient); |
| 4265 | #endif |
| 57871462 |
4266 | emit_shr(quotient,HOST_TEMPREG,quotient); |
| 4267 | emit_cmp(remainder,d2); |
| 4268 | emit_subcs(remainder,d2,remainder); |
| 4269 | emit_adcs(quotient,quotient,quotient); |
| 4270 | emit_shrcc_imm(d2,1,d2); |
| 4271 | emit_jcc((int)out-16); // -4 |
| 4272 | } |
| 4273 | } |
| 4274 | else // 64-bit |
| 71e490c5 |
4275 | assert(0); |
| 57871462 |
4276 | } |
| 4277 | else |
| 4278 | { |
| 4279 | // Multiply by zero is zero. |
| 4280 | // MIPS does not have a divide by zero exception. |
| 4281 | // The result is undefined, we return zero. |
| 4282 | signed char hr=get_reg(i_regs->regmap,HIREG); |
| 4283 | signed char lr=get_reg(i_regs->regmap,LOREG); |
| 4284 | if(hr>=0) emit_zeroreg(hr); |
| 4285 | if(lr>=0) emit_zeroreg(lr); |
| 4286 | } |
| 4287 | } |
| 4288 | #define multdiv_assemble multdiv_assemble_arm |
| 4289 | |
| 4290 | void do_preload_rhash(int r) { |
| 4291 | // Don't need this for ARM. On x86, this puts the value 0xf8 into the |
| 4292 | // register. On ARM the hash can be done with a single instruction (below) |
| 4293 | } |
| 4294 | |
| 4295 | void do_preload_rhtbl(int ht) { |
| 4296 | emit_addimm(FP,(int)&mini_ht-(int)&dynarec_local,ht); |
| 4297 | } |
| 4298 | |
| 4299 | void do_rhash(int rs,int rh) { |
| 4300 | emit_andimm(rs,0xf8,rh); |
| 4301 | } |
| 4302 | |
| 4303 | void do_miniht_load(int ht,int rh) { |
| 4304 | assem_debug("ldr %s,[%s,%s]!\n",regname[rh],regname[ht],regname[rh]); |
| 4305 | output_w32(0xe7b00000|rd_rn_rm(rh,ht,rh)); |
| 4306 | } |
| 4307 | |
| 4308 | void do_miniht_jump(int rs,int rh,int ht) { |
| 4309 | emit_cmp(rh,rs); |
| 4310 | emit_ldreq_indexed(ht,4,15); |
| 4311 | #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
| 4312 | emit_mov(rs,7); |
| 4313 | emit_jmp(jump_vaddr_reg[7]); |
| 4314 | #else |
| 4315 | emit_jmp(jump_vaddr_reg[rs]); |
| 4316 | #endif |
| 4317 | } |
| 4318 | |
| 4319 | void do_miniht_insert(u_int return_address,int rt,int temp) { |
| 665f33e1 |
4320 | #ifndef HAVE_ARMV7 |
| 57871462 |
4321 | emit_movimm(return_address,rt); // PC into link register |
| 4322 | add_to_linker((int)out,return_address,1); |
| 4323 | emit_pcreladdr(temp); |
| 4324 | emit_writeword(rt,(int)&mini_ht[(return_address&0xFF)>>3][0]); |
| 4325 | emit_writeword(temp,(int)&mini_ht[(return_address&0xFF)>>3][1]); |
| 4326 | #else |
| 4327 | emit_movw(return_address&0x0000FFFF,rt); |
| 4328 | add_to_linker((int)out,return_address,1); |
| 4329 | emit_pcreladdr(temp); |
| 4330 | emit_writeword(temp,(int)&mini_ht[(return_address&0xFF)>>3][1]); |
| 4331 | emit_movt(return_address&0xFFFF0000,rt); |
| 4332 | emit_writeword(rt,(int)&mini_ht[(return_address&0xFF)>>3][0]); |
| 4333 | #endif |
| 4334 | } |
| 4335 | |
| 57871462 |
4336 | 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) |
| 4337 | { |
| 4338 | //if(dirty_pre==dirty) return; |
| 4339 | int hr,reg,new_hr; |
| 4340 | for(hr=0;hr<HOST_REGS;hr++) { |
| 4341 | if(hr!=EXCLUDE_REG) { |
| 4342 | reg=pre[hr]; |
| 4343 | if(((~u)>>(reg&63))&1) { |
| f776eb14 |
4344 | if(reg>0) { |
| 57871462 |
4345 | if(((dirty_pre&~dirty)>>hr)&1) { |
| 4346 | if(reg>0&®<34) { |
| 4347 | emit_storereg(reg,hr); |
| 4348 | if( ((is32_pre&~uu)>>reg)&1 ) { |
| 4349 | emit_sarimm(hr,31,HOST_TEMPREG); |
| 4350 | emit_storereg(reg|64,HOST_TEMPREG); |
| 4351 | } |
| 4352 | } |
| 4353 | else if(reg>=64) { |
| 4354 | emit_storereg(reg,hr); |
| 4355 | } |
| 4356 | } |
| 4357 | } |
| 57871462 |
4358 | } |
| 4359 | } |
| 4360 | } |
| 4361 | } |
| 4362 | |
| 4363 | |
| 4364 | /* using strd could possibly help but you'd have to allocate registers in pairs |
| 4365 | void wb_invalidate_arm(signed char pre[],signed char entry[],uint64_t dirty,uint64_t is32,uint64_t u,uint64_t uu) |
| 4366 | { |
| 4367 | int hr; |
| 4368 | int wrote=-1; |
| 4369 | for(hr=HOST_REGS-1;hr>=0;hr--) { |
| 4370 | if(hr!=EXCLUDE_REG) { |
| 4371 | if(pre[hr]!=entry[hr]) { |
| 4372 | if(pre[hr]>=0) { |
| 4373 | if((dirty>>hr)&1) { |
| 4374 | if(get_reg(entry,pre[hr])<0) { |
| 4375 | if(pre[hr]<64) { |
| 4376 | if(!((u>>pre[hr])&1)) { |
| 4377 | if(hr<10&&(~hr&1)&&(pre[hr+1]<0||wrote==hr+1)) { |
| 4378 | if( ((is32>>pre[hr])&1) && !((uu>>pre[hr])&1) ) { |
| 4379 | emit_sarimm(hr,31,hr+1); |
| 4380 | emit_strdreg(pre[hr],hr); |
| 4381 | } |
| 4382 | else |
| 4383 | emit_storereg(pre[hr],hr); |
| 4384 | }else{ |
| 4385 | emit_storereg(pre[hr],hr); |
| 4386 | if( ((is32>>pre[hr])&1) && !((uu>>pre[hr])&1) ) { |
| 4387 | emit_sarimm(hr,31,hr); |
| 4388 | emit_storereg(pre[hr]|64,hr); |
| 4389 | } |
| 4390 | } |
| 4391 | } |
| 4392 | }else{ |
| 4393 | if(!((uu>>(pre[hr]&63))&1) && !((is32>>(pre[hr]&63))&1)) { |
| 4394 | emit_storereg(pre[hr],hr); |
| 4395 | } |
| 4396 | } |
| 4397 | wrote=hr; |
| 4398 | } |
| 4399 | } |
| 4400 | } |
| 4401 | } |
| 4402 | } |
| 4403 | } |
| 4404 | for(hr=0;hr<HOST_REGS;hr++) { |
| 4405 | if(hr!=EXCLUDE_REG) { |
| 4406 | if(pre[hr]!=entry[hr]) { |
| 4407 | if(pre[hr]>=0) { |
| 4408 | int nr; |
| 4409 | if((nr=get_reg(entry,pre[hr]))>=0) { |
| 4410 | emit_mov(hr,nr); |
| 4411 | } |
| 4412 | } |
| 4413 | } |
| 4414 | } |
| 4415 | } |
| 4416 | } |
| 4417 | #define wb_invalidate wb_invalidate_arm |
| 4418 | */ |
| 4419 | |
| dd3a91a1 |
4420 | // Clearing the cache is rather slow on ARM Linux, so mark the areas |
| 4421 | // that need to be cleared, and then only clear these areas once. |
| 4422 | void do_clear_cache() |
| 4423 | { |
| 4424 | int i,j; |
| 4425 | for (i=0;i<(1<<(TARGET_SIZE_2-17));i++) |
| 4426 | { |
| 4427 | u_int bitmap=needs_clear_cache[i]; |
| 4428 | if(bitmap) { |
| 4429 | u_int start,end; |
| 4430 | for(j=0;j<32;j++) |
| 4431 | { |
| 4432 | if(bitmap&(1<<j)) { |
| bdeade46 |
4433 | start=(u_int)BASE_ADDR+i*131072+j*4096; |
| dd3a91a1 |
4434 | end=start+4095; |
| 4435 | j++; |
| 4436 | while(j<32) { |
| 4437 | if(bitmap&(1<<j)) { |
| 4438 | end+=4096; |
| 4439 | j++; |
| 4440 | }else{ |
| 4441 | __clear_cache((void *)start,(void *)end); |
| 4442 | break; |
| 4443 | } |
| 4444 | } |
| 4445 | } |
| 4446 | } |
| 4447 | needs_clear_cache[i]=0; |
| 4448 | } |
| 4449 | } |
| 4450 | } |
| 4451 | |
| 57871462 |
4452 | // CPU-architecture-specific initialization |
| 71e490c5 |
4453 | static void arch_init() { |
| 57871462 |
4454 | } |
| b9b61529 |
4455 | |
| 4456 | // vim:shiftwidth=2:expandtab |
notaz.gp2x.de / pcsx_rearmed.git / blame