| 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 | |
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22 | #ifdef PCSX |
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23 | #include "../gte.h" |
| 24 | #define FLAGLESS |
| 25 | #include "../gte.h" |
| 26 | #undef FLAGLESS |
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27 | #include "../gte_arm.h" |
| 28 | #include "../gte_neon.h" |
| 29 | #include "pcnt.h" |
| 30 | #endif |
| 31 | |
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32 | #if !BASE_ADDR_FIXED |
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33 | char translation_cache[1 << TARGET_SIZE_2] __attribute__((aligned(4096))); |
| 34 | #endif |
| 35 | |
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36 | extern int cycle_count; |
| 37 | extern int last_count; |
| 38 | extern int pcaddr; |
| 39 | extern int pending_exception; |
| 40 | extern int branch_target; |
| 41 | extern uint64_t readmem_dword; |
| 3d624f89 |
42 | #ifdef MUPEN64 |
| 57871462 |
43 | extern precomp_instr fake_pc; |
| 3d624f89 |
44 | #endif |
| 57871462 |
45 | extern void *dynarec_local; |
| 46 | extern u_int memory_map[1048576]; |
| 47 | extern u_int mini_ht[32][2]; |
| 48 | extern u_int rounding_modes[4]; |
| 49 | |
| 50 | void indirect_jump_indexed(); |
| 51 | void indirect_jump(); |
| 52 | void do_interrupt(); |
| 53 | void jump_vaddr_r0(); |
| 54 | void jump_vaddr_r1(); |
| 55 | void jump_vaddr_r2(); |
| 56 | void jump_vaddr_r3(); |
| 57 | void jump_vaddr_r4(); |
| 58 | void jump_vaddr_r5(); |
| 59 | void jump_vaddr_r6(); |
| 60 | void jump_vaddr_r7(); |
| 61 | void jump_vaddr_r8(); |
| 62 | void jump_vaddr_r9(); |
| 63 | void jump_vaddr_r10(); |
| 64 | void jump_vaddr_r12(); |
| 65 | |
| 66 | const u_int jump_vaddr_reg[16] = { |
| 67 | (int)jump_vaddr_r0, |
| 68 | (int)jump_vaddr_r1, |
| 69 | (int)jump_vaddr_r2, |
| 70 | (int)jump_vaddr_r3, |
| 71 | (int)jump_vaddr_r4, |
| 72 | (int)jump_vaddr_r5, |
| 73 | (int)jump_vaddr_r6, |
| 74 | (int)jump_vaddr_r7, |
| 75 | (int)jump_vaddr_r8, |
| 76 | (int)jump_vaddr_r9, |
| 77 | (int)jump_vaddr_r10, |
| 78 | 0, |
| 79 | (int)jump_vaddr_r12, |
| 80 | 0, |
| 81 | 0, |
| 82 | 0}; |
| 83 | |
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84 | void invalidate_addr_r0(); |
| 85 | void invalidate_addr_r1(); |
| 86 | void invalidate_addr_r2(); |
| 87 | void invalidate_addr_r3(); |
| 88 | void invalidate_addr_r4(); |
| 89 | void invalidate_addr_r5(); |
| 90 | void invalidate_addr_r6(); |
| 91 | void invalidate_addr_r7(); |
| 92 | void invalidate_addr_r8(); |
| 93 | void invalidate_addr_r9(); |
| 94 | void invalidate_addr_r10(); |
| 95 | void invalidate_addr_r12(); |
| 96 | |
| 97 | const u_int invalidate_addr_reg[16] = { |
| 98 | (int)invalidate_addr_r0, |
| 99 | (int)invalidate_addr_r1, |
| 100 | (int)invalidate_addr_r2, |
| 101 | (int)invalidate_addr_r3, |
| 102 | (int)invalidate_addr_r4, |
| 103 | (int)invalidate_addr_r5, |
| 104 | (int)invalidate_addr_r6, |
| 105 | (int)invalidate_addr_r7, |
| 106 | (int)invalidate_addr_r8, |
| 107 | (int)invalidate_addr_r9, |
| 108 | (int)invalidate_addr_r10, |
| 109 | 0, |
| 110 | (int)invalidate_addr_r12, |
| 111 | 0, |
| 112 | 0, |
| 113 | 0}; |
| 114 | |
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115 | #include "fpu.h" |
| 116 | |
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117 | unsigned int needs_clear_cache[1<<(TARGET_SIZE_2-17)]; |
| 118 | |
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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])); |
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189 | literals[literalcount][0]=addr; |
| 190 | literals[literalcount][1]=val; |
| 191 | literalcount++; |
| 192 | } |
| 193 | |
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194 | void *kill_pointer(void *stub) |
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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 |
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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); |
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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; |
| 226 | #ifdef ARMv5_ONLY |
| 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; |
| 243 | #ifdef ARMv5_ONLY |
| 244 | // get from literal pool |
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245 | assert((*ptr&0xFFFF0000)==0xe59f0000); |
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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 |
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262 | #ifndef DISABLE_TLB |
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263 | u_int verifier=(int)ptr+((signed int)(*ptr<<8)>>6)+8; // get target of bl |
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264 | if(verifier==(u_int)verify_code_vm||verifier==(u_int)verify_code_ds) { |
| 265 | unsigned int page=source>>12; |
| 266 | unsigned int map_value=memory_map[page]; |
| 267 | if(map_value>=0x80000000) return 0; |
| 268 | while(page<((source+len-1)>>12)) { |
| 269 | if((memory_map[++page]<<2)!=(map_value<<2)) return 0; |
| 270 | } |
| 271 | source = source+(map_value<<2); |
| 272 | } |
| 63cb0298 |
273 | #endif |
| 57871462 |
274 | //printf("verify_dirty: %x %x %x\n",source,copy,len); |
| 275 | return !memcmp((void *)source,(void *)copy,len); |
| 276 | } |
| 277 | |
| 278 | // This doesn't necessarily find all clean entry points, just |
| 279 | // guarantees that it's not dirty |
| 280 | int isclean(int addr) |
| 281 | { |
| 282 | #ifdef ARMv5_ONLY |
| 283 | int *ptr=((u_int *)addr)+4; |
| 284 | #else |
| 285 | int *ptr=((u_int *)addr)+6; |
| 286 | #endif |
| 287 | if((*ptr&0xFF000000)!=0xeb000000) ptr++; |
| 288 | if((*ptr&0xFF000000)!=0xeb000000) return 1; // bl instruction |
| 289 | if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code) return 0; |
| 290 | if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code_vm) return 0; |
| 291 | if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code_ds) return 0; |
| 292 | return 1; |
| 293 | } |
| 294 | |
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295 | // get source that block at addr was compiled from (host pointers) |
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296 | void get_bounds(int addr,u_int *start,u_int *end) |
| 297 | { |
| 298 | u_int *ptr=(u_int *)addr; |
| 299 | #ifdef ARMv5_ONLY |
| 300 | // get from literal pool |
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301 | assert((*ptr&0xFFFF0000)==0xe59f0000); |
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302 | u_int offset=*ptr&0xfff; |
| 303 | u_int *l_ptr=(void *)ptr+offset+8; |
| 304 | u_int source=l_ptr[0]; |
| 305 | //u_int copy=l_ptr[1]; |
| 306 | u_int len=l_ptr[2]; |
| 307 | ptr+=4; |
| 308 | #else |
| 309 | // ARMv7 movw/movt |
| 310 | assert((*ptr&0xFFF00000)==0xe3000000); |
| 311 | u_int source=(ptr[0]&0xFFF)+((ptr[0]>>4)&0xF000)+((ptr[2]<<16)&0xFFF0000)+((ptr[2]<<12)&0xF0000000); |
| 312 | //u_int copy=(ptr[1]&0xFFF)+((ptr[1]>>4)&0xF000)+((ptr[3]<<16)&0xFFF0000)+((ptr[3]<<12)&0xF0000000); |
| 313 | u_int len=(ptr[4]&0xFFF)+((ptr[4]>>4)&0xF000); |
| 314 | ptr+=6; |
| 315 | #endif |
| 316 | if((*ptr&0xFF000000)!=0xeb000000) ptr++; |
| 317 | assert((*ptr&0xFF000000)==0xeb000000); // bl instruction |
| 63cb0298 |
318 | #ifndef DISABLE_TLB |
| cfcba99a |
319 | u_int verifier=(int)ptr+((signed int)(*ptr<<8)>>6)+8; // get target of bl |
| 57871462 |
320 | if(verifier==(u_int)verify_code_vm||verifier==(u_int)verify_code_ds) { |
| 321 | if(memory_map[source>>12]>=0x80000000) source = 0; |
| 322 | else source = source+(memory_map[source>>12]<<2); |
| 323 | } |
| 63cb0298 |
324 | #endif |
| 57871462 |
325 | *start=source; |
| 326 | *end=source+len; |
| 327 | } |
| 328 | |
| 329 | /* Register allocation */ |
| 330 | |
| 331 | // Note: registers are allocated clean (unmodified state) |
| 332 | // if you intend to modify the register, you must call dirty_reg(). |
| 333 | void alloc_reg(struct regstat *cur,int i,signed char reg) |
| 334 | { |
| 335 | int r,hr; |
| 336 | int preferred_reg = (reg&7); |
| 337 | if(reg==CCREG) preferred_reg=HOST_CCREG; |
| 338 | if(reg==PTEMP||reg==FTEMP) preferred_reg=12; |
| 339 | |
| 340 | // Don't allocate unused registers |
| 341 | if((cur->u>>reg)&1) return; |
| 342 | |
| 343 | // see if it's already allocated |
| 344 | for(hr=0;hr<HOST_REGS;hr++) |
| 345 | { |
| 346 | if(cur->regmap[hr]==reg) return; |
| 347 | } |
| 348 | |
| 349 | // Keep the same mapping if the register was already allocated in a loop |
| 350 | preferred_reg = loop_reg(i,reg,preferred_reg); |
| 351 | |
| 352 | // Try to allocate the preferred register |
| 353 | if(cur->regmap[preferred_reg]==-1) { |
| 354 | cur->regmap[preferred_reg]=reg; |
| 355 | cur->dirty&=~(1<<preferred_reg); |
| 356 | cur->isconst&=~(1<<preferred_reg); |
| 357 | return; |
| 358 | } |
| 359 | r=cur->regmap[preferred_reg]; |
| 360 | if(r<64&&((cur->u>>r)&1)) { |
| 361 | cur->regmap[preferred_reg]=reg; |
| 362 | cur->dirty&=~(1<<preferred_reg); |
| 363 | cur->isconst&=~(1<<preferred_reg); |
| 364 | return; |
| 365 | } |
| 366 | if(r>=64&&((cur->uu>>(r&63))&1)) { |
| 367 | cur->regmap[preferred_reg]=reg; |
| 368 | cur->dirty&=~(1<<preferred_reg); |
| 369 | cur->isconst&=~(1<<preferred_reg); |
| 370 | return; |
| 371 | } |
| 372 | |
| 373 | // Clear any unneeded registers |
| 374 | // We try to keep the mapping consistent, if possible, because it |
| 375 | // makes branches easier (especially loops). So we try to allocate |
| 376 | // first (see above) before removing old mappings. If this is not |
| 377 | // possible then go ahead and clear out the registers that are no |
| 378 | // longer needed. |
| 379 | for(hr=0;hr<HOST_REGS;hr++) |
| 380 | { |
| 381 | r=cur->regmap[hr]; |
| 382 | if(r>=0) { |
| 383 | if(r<64) { |
| 384 | if((cur->u>>r)&1) {cur->regmap[hr]=-1;break;} |
| 385 | } |
| 386 | else |
| 387 | { |
| 388 | if((cur->uu>>(r&63))&1) {cur->regmap[hr]=-1;break;} |
| 389 | } |
| 390 | } |
| 391 | } |
| 392 | // Try to allocate any available register, but prefer |
| 393 | // registers that have not been used recently. |
| 394 | if(i>0) { |
| 395 | for(hr=0;hr<HOST_REGS;hr++) { |
| 396 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) { |
| 397 | 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]) { |
| 398 | cur->regmap[hr]=reg; |
| 399 | cur->dirty&=~(1<<hr); |
| 400 | cur->isconst&=~(1<<hr); |
| 401 | return; |
| 402 | } |
| 403 | } |
| 404 | } |
| 405 | } |
| 406 | // Try to allocate any available register |
| 407 | for(hr=0;hr<HOST_REGS;hr++) { |
| 408 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) { |
| 409 | cur->regmap[hr]=reg; |
| 410 | cur->dirty&=~(1<<hr); |
| 411 | cur->isconst&=~(1<<hr); |
| 412 | return; |
| 413 | } |
| 414 | } |
| 415 | |
| 416 | // Ok, now we have to evict someone |
| 417 | // Pick a register we hopefully won't need soon |
| 418 | u_char hsn[MAXREG+1]; |
| 419 | memset(hsn,10,sizeof(hsn)); |
| 420 | int j; |
| 421 | lsn(hsn,i,&preferred_reg); |
| 422 | //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]); |
| 423 | //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]); |
| 424 | if(i>0) { |
| 425 | // Don't evict the cycle count at entry points, otherwise the entry |
| 426 | // stub will have to write it. |
| 427 | if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2; |
| 428 | 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; |
| 429 | for(j=10;j>=3;j--) |
| 430 | { |
| 431 | // Alloc preferred register if available |
| 432 | if(hsn[r=cur->regmap[preferred_reg]&63]==j) { |
| 433 | for(hr=0;hr<HOST_REGS;hr++) { |
| 434 | // Evict both parts of a 64-bit register |
| 435 | if((cur->regmap[hr]&63)==r) { |
| 436 | cur->regmap[hr]=-1; |
| 437 | cur->dirty&=~(1<<hr); |
| 438 | cur->isconst&=~(1<<hr); |
| 439 | } |
| 440 | } |
| 441 | cur->regmap[preferred_reg]=reg; |
| 442 | return; |
| 443 | } |
| 444 | for(r=1;r<=MAXREG;r++) |
| 445 | { |
| 446 | if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) { |
| 447 | for(hr=0;hr<HOST_REGS;hr++) { |
| 448 | if(hr!=HOST_CCREG||j<hsn[CCREG]) { |
| 449 | if(cur->regmap[hr]==r+64) { |
| 450 | cur->regmap[hr]=reg; |
| 451 | cur->dirty&=~(1<<hr); |
| 452 | cur->isconst&=~(1<<hr); |
| 453 | return; |
| 454 | } |
| 455 | } |
| 456 | } |
| 457 | for(hr=0;hr<HOST_REGS;hr++) { |
| 458 | if(hr!=HOST_CCREG||j<hsn[CCREG]) { |
| 459 | if(cur->regmap[hr]==r) { |
| 460 | cur->regmap[hr]=reg; |
| 461 | cur->dirty&=~(1<<hr); |
| 462 | cur->isconst&=~(1<<hr); |
| 463 | return; |
| 464 | } |
| 465 | } |
| 466 | } |
| 467 | } |
| 468 | } |
| 469 | } |
| 470 | } |
| 471 | for(j=10;j>=0;j--) |
| 472 | { |
| 473 | for(r=1;r<=MAXREG;r++) |
| 474 | { |
| 475 | if(hsn[r]==j) { |
| 476 | for(hr=0;hr<HOST_REGS;hr++) { |
| 477 | if(cur->regmap[hr]==r+64) { |
| 478 | cur->regmap[hr]=reg; |
| 479 | cur->dirty&=~(1<<hr); |
| 480 | cur->isconst&=~(1<<hr); |
| 481 | return; |
| 482 | } |
| 483 | } |
| 484 | for(hr=0;hr<HOST_REGS;hr++) { |
| 485 | if(cur->regmap[hr]==r) { |
| 486 | cur->regmap[hr]=reg; |
| 487 | cur->dirty&=~(1<<hr); |
| 488 | cur->isconst&=~(1<<hr); |
| 489 | return; |
| 490 | } |
| 491 | } |
| 492 | } |
| 493 | } |
| 494 | } |
| 495 | printf("This shouldn't happen (alloc_reg)");exit(1); |
| 496 | } |
| 497 | |
| 498 | void alloc_reg64(struct regstat *cur,int i,signed char reg) |
| 499 | { |
| 500 | int preferred_reg = 8+(reg&1); |
| 501 | int r,hr; |
| 502 | |
| 503 | // allocate the lower 32 bits |
| 504 | alloc_reg(cur,i,reg); |
| 505 | |
| 506 | // Don't allocate unused registers |
| 507 | if((cur->uu>>reg)&1) return; |
| 508 | |
| 509 | // see if the upper half is already allocated |
| 510 | for(hr=0;hr<HOST_REGS;hr++) |
| 511 | { |
| 512 | if(cur->regmap[hr]==reg+64) return; |
| 513 | } |
| 514 | |
| 515 | // Keep the same mapping if the register was already allocated in a loop |
| 516 | preferred_reg = loop_reg(i,reg,preferred_reg); |
| 517 | |
| 518 | // Try to allocate the preferred register |
| 519 | if(cur->regmap[preferred_reg]==-1) { |
| 520 | cur->regmap[preferred_reg]=reg|64; |
| 521 | cur->dirty&=~(1<<preferred_reg); |
| 522 | cur->isconst&=~(1<<preferred_reg); |
| 523 | return; |
| 524 | } |
| 525 | r=cur->regmap[preferred_reg]; |
| 526 | if(r<64&&((cur->u>>r)&1)) { |
| 527 | cur->regmap[preferred_reg]=reg|64; |
| 528 | cur->dirty&=~(1<<preferred_reg); |
| 529 | cur->isconst&=~(1<<preferred_reg); |
| 530 | return; |
| 531 | } |
| 532 | if(r>=64&&((cur->uu>>(r&63))&1)) { |
| 533 | cur->regmap[preferred_reg]=reg|64; |
| 534 | cur->dirty&=~(1<<preferred_reg); |
| 535 | cur->isconst&=~(1<<preferred_reg); |
| 536 | return; |
| 537 | } |
| 538 | |
| 539 | // Clear any unneeded registers |
| 540 | // We try to keep the mapping consistent, if possible, because it |
| 541 | // makes branches easier (especially loops). So we try to allocate |
| 542 | // first (see above) before removing old mappings. If this is not |
| 543 | // possible then go ahead and clear out the registers that are no |
| 544 | // longer needed. |
| 545 | for(hr=HOST_REGS-1;hr>=0;hr--) |
| 546 | { |
| 547 | r=cur->regmap[hr]; |
| 548 | if(r>=0) { |
| 549 | if(r<64) { |
| 550 | if((cur->u>>r)&1) {cur->regmap[hr]=-1;break;} |
| 551 | } |
| 552 | else |
| 553 | { |
| 554 | if((cur->uu>>(r&63))&1) {cur->regmap[hr]=-1;break;} |
| 555 | } |
| 556 | } |
| 557 | } |
| 558 | // Try to allocate any available register, but prefer |
| 559 | // registers that have not been used recently. |
| 560 | if(i>0) { |
| 561 | for(hr=0;hr<HOST_REGS;hr++) { |
| 562 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) { |
| 563 | 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]) { |
| 564 | cur->regmap[hr]=reg|64; |
| 565 | cur->dirty&=~(1<<hr); |
| 566 | cur->isconst&=~(1<<hr); |
| 567 | return; |
| 568 | } |
| 569 | } |
| 570 | } |
| 571 | } |
| 572 | // Try to allocate any available register |
| 573 | for(hr=0;hr<HOST_REGS;hr++) { |
| 574 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) { |
| 575 | cur->regmap[hr]=reg|64; |
| 576 | cur->dirty&=~(1<<hr); |
| 577 | cur->isconst&=~(1<<hr); |
| 578 | return; |
| 579 | } |
| 580 | } |
| 581 | |
| 582 | // Ok, now we have to evict someone |
| 583 | // Pick a register we hopefully won't need soon |
| 584 | u_char hsn[MAXREG+1]; |
| 585 | memset(hsn,10,sizeof(hsn)); |
| 586 | int j; |
| 587 | lsn(hsn,i,&preferred_reg); |
| 588 | //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]); |
| 589 | //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]); |
| 590 | if(i>0) { |
| 591 | // Don't evict the cycle count at entry points, otherwise the entry |
| 592 | // stub will have to write it. |
| 593 | if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2; |
| 594 | 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; |
| 595 | for(j=10;j>=3;j--) |
| 596 | { |
| 597 | // Alloc preferred register if available |
| 598 | if(hsn[r=cur->regmap[preferred_reg]&63]==j) { |
| 599 | for(hr=0;hr<HOST_REGS;hr++) { |
| 600 | // Evict both parts of a 64-bit register |
| 601 | if((cur->regmap[hr]&63)==r) { |
| 602 | cur->regmap[hr]=-1; |
| 603 | cur->dirty&=~(1<<hr); |
| 604 | cur->isconst&=~(1<<hr); |
| 605 | } |
| 606 | } |
| 607 | cur->regmap[preferred_reg]=reg|64; |
| 608 | return; |
| 609 | } |
| 610 | for(r=1;r<=MAXREG;r++) |
| 611 | { |
| 612 | if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) { |
| 613 | for(hr=0;hr<HOST_REGS;hr++) { |
| 614 | if(hr!=HOST_CCREG||j<hsn[CCREG]) { |
| 615 | if(cur->regmap[hr]==r+64) { |
| 616 | cur->regmap[hr]=reg|64; |
| 617 | cur->dirty&=~(1<<hr); |
| 618 | cur->isconst&=~(1<<hr); |
| 619 | return; |
| 620 | } |
| 621 | } |
| 622 | } |
| 623 | for(hr=0;hr<HOST_REGS;hr++) { |
| 624 | if(hr!=HOST_CCREG||j<hsn[CCREG]) { |
| 625 | if(cur->regmap[hr]==r) { |
| 626 | cur->regmap[hr]=reg|64; |
| 627 | cur->dirty&=~(1<<hr); |
| 628 | cur->isconst&=~(1<<hr); |
| 629 | return; |
| 630 | } |
| 631 | } |
| 632 | } |
| 633 | } |
| 634 | } |
| 635 | } |
| 636 | } |
| 637 | for(j=10;j>=0;j--) |
| 638 | { |
| 639 | for(r=1;r<=MAXREG;r++) |
| 640 | { |
| 641 | if(hsn[r]==j) { |
| 642 | for(hr=0;hr<HOST_REGS;hr++) { |
| 643 | if(cur->regmap[hr]==r+64) { |
| 644 | cur->regmap[hr]=reg|64; |
| 645 | cur->dirty&=~(1<<hr); |
| 646 | cur->isconst&=~(1<<hr); |
| 647 | return; |
| 648 | } |
| 649 | } |
| 650 | for(hr=0;hr<HOST_REGS;hr++) { |
| 651 | if(cur->regmap[hr]==r) { |
| 652 | cur->regmap[hr]=reg|64; |
| 653 | cur->dirty&=~(1<<hr); |
| 654 | cur->isconst&=~(1<<hr); |
| 655 | return; |
| 656 | } |
| 657 | } |
| 658 | } |
| 659 | } |
| 660 | } |
| 661 | printf("This shouldn't happen");exit(1); |
| 662 | } |
| 663 | |
| 664 | // Allocate a temporary register. This is done without regard to |
| 665 | // dirty status or whether the register we request is on the unneeded list |
| 666 | // Note: This will only allocate one register, even if called multiple times |
| 667 | void alloc_reg_temp(struct regstat *cur,int i,signed char reg) |
| 668 | { |
| 669 | int r,hr; |
| 670 | int preferred_reg = -1; |
| 671 | |
| 672 | // see if it's already allocated |
| 673 | for(hr=0;hr<HOST_REGS;hr++) |
| 674 | { |
| 675 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==reg) return; |
| 676 | } |
| 677 | |
| 678 | // Try to allocate any available register |
| 679 | for(hr=HOST_REGS-1;hr>=0;hr--) { |
| 680 | if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) { |
| 681 | cur->regmap[hr]=reg; |
| 682 | cur->dirty&=~(1<<hr); |
| 683 | cur->isconst&=~(1<<hr); |
| 684 | return; |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | // Find an unneeded register |
| 689 | for(hr=HOST_REGS-1;hr>=0;hr--) |
| 690 | { |
| 691 | r=cur->regmap[hr]; |
| 692 | if(r>=0) { |
| 693 | if(r<64) { |
| 694 | if((cur->u>>r)&1) { |
| 695 | if(i==0||((unneeded_reg[i-1]>>r)&1)) { |
| 696 | cur->regmap[hr]=reg; |
| 697 | cur->dirty&=~(1<<hr); |
| 698 | cur->isconst&=~(1<<hr); |
| 699 | return; |
| 700 | } |
| 701 | } |
| 702 | } |
| 703 | else |
| 704 | { |
| 705 | if((cur->uu>>(r&63))&1) { |
| 706 | if(i==0||((unneeded_reg_upper[i-1]>>(r&63))&1)) { |
| 707 | cur->regmap[hr]=reg; |
| 708 | cur->dirty&=~(1<<hr); |
| 709 | cur->isconst&=~(1<<hr); |
| 710 | return; |
| 711 | } |
| 712 | } |
| 713 | } |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | // Ok, now we have to evict someone |
| 718 | // Pick a register we hopefully won't need soon |
| 719 | // TODO: we might want to follow unconditional jumps here |
| 720 | // TODO: get rid of dupe code and make this into a function |
| 721 | u_char hsn[MAXREG+1]; |
| 722 | memset(hsn,10,sizeof(hsn)); |
| 723 | int j; |
| 724 | lsn(hsn,i,&preferred_reg); |
| 725 | //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]); |
| 726 | if(i>0) { |
| 727 | // Don't evict the cycle count at entry points, otherwise the entry |
| 728 | // stub will have to write it. |
| 729 | if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2; |
| 730 | 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; |
| 731 | for(j=10;j>=3;j--) |
| 732 | { |
| 733 | for(r=1;r<=MAXREG;r++) |
| 734 | { |
| 735 | if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) { |
| 736 | for(hr=0;hr<HOST_REGS;hr++) { |
| 737 | if(hr!=HOST_CCREG||hsn[CCREG]>2) { |
| 738 | if(cur->regmap[hr]==r+64) { |
| 739 | cur->regmap[hr]=reg; |
| 740 | cur->dirty&=~(1<<hr); |
| 741 | cur->isconst&=~(1<<hr); |
| 742 | return; |
| 743 | } |
| 744 | } |
| 745 | } |
| 746 | for(hr=0;hr<HOST_REGS;hr++) { |
| 747 | if(hr!=HOST_CCREG||hsn[CCREG]>2) { |
| 748 | if(cur->regmap[hr]==r) { |
| 749 | cur->regmap[hr]=reg; |
| 750 | cur->dirty&=~(1<<hr); |
| 751 | cur->isconst&=~(1<<hr); |
| 752 | return; |
| 753 | } |
| 754 | } |
| 755 | } |
| 756 | } |
| 757 | } |
| 758 | } |
| 759 | } |
| 760 | for(j=10;j>=0;j--) |
| 761 | { |
| 762 | for(r=1;r<=MAXREG;r++) |
| 763 | { |
| 764 | if(hsn[r]==j) { |
| 765 | for(hr=0;hr<HOST_REGS;hr++) { |
| 766 | if(cur->regmap[hr]==r+64) { |
| 767 | cur->regmap[hr]=reg; |
| 768 | cur->dirty&=~(1<<hr); |
| 769 | cur->isconst&=~(1<<hr); |
| 770 | return; |
| 771 | } |
| 772 | } |
| 773 | for(hr=0;hr<HOST_REGS;hr++) { |
| 774 | if(cur->regmap[hr]==r) { |
| 775 | cur->regmap[hr]=reg; |
| 776 | cur->dirty&=~(1<<hr); |
| 777 | cur->isconst&=~(1<<hr); |
| 778 | return; |
| 779 | } |
| 780 | } |
| 781 | } |
| 782 | } |
| 783 | } |
| 784 | printf("This shouldn't happen");exit(1); |
| 785 | } |
| 786 | // Allocate a specific ARM register. |
| 787 | void alloc_arm_reg(struct regstat *cur,int i,signed char reg,char hr) |
| 788 | { |
| 789 | int n; |
| f776eb14 |
790 | int dirty=0; |
| 57871462 |
791 | |
| 792 | // see if it's already allocated (and dealloc it) |
| 793 | for(n=0;n<HOST_REGS;n++) |
| 794 | { |
| f776eb14 |
795 | if(n!=EXCLUDE_REG&&cur->regmap[n]==reg) { |
| 796 | dirty=(cur->dirty>>n)&1; |
| 797 | cur->regmap[n]=-1; |
| 798 | } |
| 57871462 |
799 | } |
| 800 | |
| 801 | cur->regmap[hr]=reg; |
| 802 | cur->dirty&=~(1<<hr); |
| f776eb14 |
803 | cur->dirty|=dirty<<hr; |
| 57871462 |
804 | cur->isconst&=~(1<<hr); |
| 805 | } |
| 806 | |
| 807 | // Alloc cycle count into dedicated register |
| 808 | alloc_cc(struct regstat *cur,int i) |
| 809 | { |
| 810 | alloc_arm_reg(cur,i,CCREG,HOST_CCREG); |
| 811 | } |
| 812 | |
| 813 | /* Special alloc */ |
| 814 | |
| 815 | |
| 816 | /* Assembler */ |
| 817 | |
| 818 | char regname[16][4] = { |
| 819 | "r0", |
| 820 | "r1", |
| 821 | "r2", |
| 822 | "r3", |
| 823 | "r4", |
| 824 | "r5", |
| 825 | "r6", |
| 826 | "r7", |
| 827 | "r8", |
| 828 | "r9", |
| 829 | "r10", |
| 830 | "fp", |
| 831 | "r12", |
| 832 | "sp", |
| 833 | "lr", |
| 834 | "pc"}; |
| 835 | |
| 836 | void output_byte(u_char byte) |
| 837 | { |
| 838 | *(out++)=byte; |
| 839 | } |
| 840 | void output_modrm(u_char mod,u_char rm,u_char ext) |
| 841 | { |
| 842 | assert(mod<4); |
| 843 | assert(rm<8); |
| 844 | assert(ext<8); |
| 845 | u_char byte=(mod<<6)|(ext<<3)|rm; |
| 846 | *(out++)=byte; |
| 847 | } |
| 848 | void output_sib(u_char scale,u_char index,u_char base) |
| 849 | { |
| 850 | assert(scale<4); |
| 851 | assert(index<8); |
| 852 | assert(base<8); |
| 853 | u_char byte=(scale<<6)|(index<<3)|base; |
| 854 | *(out++)=byte; |
| 855 | } |
| 856 | void output_w32(u_int word) |
| 857 | { |
| 858 | *((u_int *)out)=word; |
| 859 | out+=4; |
| 860 | } |
| 861 | u_int rd_rn_rm(u_int rd, u_int rn, u_int rm) |
| 862 | { |
| 863 | assert(rd<16); |
| 864 | assert(rn<16); |
| 865 | assert(rm<16); |
| 866 | return((rn<<16)|(rd<<12)|rm); |
| 867 | } |
| 868 | u_int rd_rn_imm_shift(u_int rd, u_int rn, u_int imm, u_int shift) |
| 869 | { |
| 870 | assert(rd<16); |
| 871 | assert(rn<16); |
| 872 | assert(imm<256); |
| 873 | assert((shift&1)==0); |
| 874 | return((rn<<16)|(rd<<12)|(((32-shift)&30)<<7)|imm); |
| 875 | } |
| 876 | u_int genimm(u_int imm,u_int *encoded) |
| 877 | { |
| c2e3bd42 |
878 | *encoded=0; |
| 879 | if(imm==0) return 1; |
| 57871462 |
880 | int i=32; |
| 881 | while(i>0) |
| 882 | { |
| 883 | if(imm<256) { |
| 884 | *encoded=((i&30)<<7)|imm; |
| 885 | return 1; |
| 886 | } |
| 887 | imm=(imm>>2)|(imm<<30);i-=2; |
| 888 | } |
| 889 | return 0; |
| 890 | } |
| cfbd3c6e |
891 | void genimm_checked(u_int imm,u_int *encoded) |
| 892 | { |
| 893 | u_int ret=genimm(imm,encoded); |
| 894 | assert(ret); |
| 895 | } |
| 57871462 |
896 | u_int genjmp(u_int addr) |
| 897 | { |
| 898 | int offset=addr-(int)out-8; |
| e80343e2 |
899 | if(offset<-33554432||offset>=33554432) { |
| 900 | if (addr>2) { |
| 901 | printf("genjmp: out of range: %08x\n", offset); |
| 902 | exit(1); |
| 903 | } |
| 904 | return 0; |
| 905 | } |
| 57871462 |
906 | return ((u_int)offset>>2)&0xffffff; |
| 907 | } |
| 908 | |
| 909 | void emit_mov(int rs,int rt) |
| 910 | { |
| 911 | assem_debug("mov %s,%s\n",regname[rt],regname[rs]); |
| 912 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)); |
| 913 | } |
| 914 | |
| 915 | void emit_movs(int rs,int rt) |
| 916 | { |
| 917 | assem_debug("movs %s,%s\n",regname[rt],regname[rs]); |
| 918 | output_w32(0xe1b00000|rd_rn_rm(rt,0,rs)); |
| 919 | } |
| 920 | |
| 921 | void emit_add(int rs1,int rs2,int rt) |
| 922 | { |
| 923 | assem_debug("add %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 924 | output_w32(0xe0800000|rd_rn_rm(rt,rs1,rs2)); |
| 925 | } |
| 926 | |
| 927 | void emit_adds(int rs1,int rs2,int rt) |
| 928 | { |
| 929 | assem_debug("adds %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 930 | output_w32(0xe0900000|rd_rn_rm(rt,rs1,rs2)); |
| 931 | } |
| 932 | |
| 933 | void emit_adcs(int rs1,int rs2,int rt) |
| 934 | { |
| 935 | assem_debug("adcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 936 | output_w32(0xe0b00000|rd_rn_rm(rt,rs1,rs2)); |
| 937 | } |
| 938 | |
| 939 | void emit_sbc(int rs1,int rs2,int rt) |
| 940 | { |
| 941 | assem_debug("sbc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 942 | output_w32(0xe0c00000|rd_rn_rm(rt,rs1,rs2)); |
| 943 | } |
| 944 | |
| 945 | void emit_sbcs(int rs1,int rs2,int rt) |
| 946 | { |
| 947 | assem_debug("sbcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 948 | output_w32(0xe0d00000|rd_rn_rm(rt,rs1,rs2)); |
| 949 | } |
| 950 | |
| 951 | void emit_neg(int rs, int rt) |
| 952 | { |
| 953 | assem_debug("rsb %s,%s,#0\n",regname[rt],regname[rs]); |
| 954 | output_w32(0xe2600000|rd_rn_rm(rt,rs,0)); |
| 955 | } |
| 956 | |
| 957 | void emit_negs(int rs, int rt) |
| 958 | { |
| 959 | assem_debug("rsbs %s,%s,#0\n",regname[rt],regname[rs]); |
| 960 | output_w32(0xe2700000|rd_rn_rm(rt,rs,0)); |
| 961 | } |
| 962 | |
| 963 | void emit_sub(int rs1,int rs2,int rt) |
| 964 | { |
| 965 | assem_debug("sub %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 966 | output_w32(0xe0400000|rd_rn_rm(rt,rs1,rs2)); |
| 967 | } |
| 968 | |
| 969 | void emit_subs(int rs1,int rs2,int rt) |
| 970 | { |
| 971 | assem_debug("subs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 972 | output_w32(0xe0500000|rd_rn_rm(rt,rs1,rs2)); |
| 973 | } |
| 974 | |
| 975 | void emit_zeroreg(int rt) |
| 976 | { |
| 977 | assem_debug("mov %s,#0\n",regname[rt]); |
| 978 | output_w32(0xe3a00000|rd_rn_rm(rt,0,0)); |
| 979 | } |
| 980 | |
| 790ee18e |
981 | void emit_loadlp(u_int imm,u_int rt) |
| 982 | { |
| 983 | add_literal((int)out,imm); |
| 984 | assem_debug("ldr %s,pc+? [=%x]\n",regname[rt],imm); |
| 985 | output_w32(0xe5900000|rd_rn_rm(rt,15,0)); |
| 986 | } |
| 987 | void emit_movw(u_int imm,u_int rt) |
| 988 | { |
| 989 | assert(imm<65536); |
| 990 | assem_debug("movw %s,#%d (0x%x)\n",regname[rt],imm,imm); |
| 991 | output_w32(0xe3000000|rd_rn_rm(rt,0,0)|(imm&0xfff)|((imm<<4)&0xf0000)); |
| 992 | } |
| 993 | void emit_movt(u_int imm,u_int rt) |
| 994 | { |
| 995 | assem_debug("movt %s,#%d (0x%x)\n",regname[rt],imm&0xffff0000,imm&0xffff0000); |
| 996 | output_w32(0xe3400000|rd_rn_rm(rt,0,0)|((imm>>16)&0xfff)|((imm>>12)&0xf0000)); |
| 997 | } |
| 998 | void emit_movimm(u_int imm,u_int rt) |
| 999 | { |
| 1000 | u_int armval; |
| 1001 | if(genimm(imm,&armval)) { |
| 1002 | assem_debug("mov %s,#%d\n",regname[rt],imm); |
| 1003 | output_w32(0xe3a00000|rd_rn_rm(rt,0,0)|armval); |
| 1004 | }else if(genimm(~imm,&armval)) { |
| 1005 | assem_debug("mvn %s,#%d\n",regname[rt],imm); |
| 1006 | output_w32(0xe3e00000|rd_rn_rm(rt,0,0)|armval); |
| 1007 | }else if(imm<65536) { |
| 1008 | #ifdef ARMv5_ONLY |
| 1009 | assem_debug("mov %s,#%d\n",regname[rt],imm&0xFF00); |
| 1010 | output_w32(0xe3a00000|rd_rn_imm_shift(rt,0,imm>>8,8)); |
| 1011 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF); |
| 1012 | output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
| 1013 | #else |
| 1014 | emit_movw(imm,rt); |
| 1015 | #endif |
| 1016 | }else{ |
| 1017 | #ifdef ARMv5_ONLY |
| 1018 | emit_loadlp(imm,rt); |
| 1019 | #else |
| 1020 | emit_movw(imm&0x0000FFFF,rt); |
| 1021 | emit_movt(imm&0xFFFF0000,rt); |
| 1022 | #endif |
| 1023 | } |
| 1024 | } |
| 1025 | void emit_pcreladdr(u_int rt) |
| 1026 | { |
| 1027 | assem_debug("add %s,pc,#?\n",regname[rt]); |
| 1028 | output_w32(0xe2800000|rd_rn_rm(rt,15,0)); |
| 1029 | } |
| 1030 | |
| 57871462 |
1031 | void emit_loadreg(int r, int hr) |
| 1032 | { |
| 3d624f89 |
1033 | #ifdef FORCE32 |
| 1034 | if(r&64) { |
| 1035 | printf("64bit load in 32bit mode!\n"); |
| 7f2607ea |
1036 | assert(0); |
| 1037 | return; |
| 3d624f89 |
1038 | } |
| 1039 | #endif |
| 57871462 |
1040 | if((r&63)==0) |
| 1041 | emit_zeroreg(hr); |
| 1042 | else { |
| 3d624f89 |
1043 | int addr=((int)reg)+((r&63)<<REG_SHIFT)+((r&64)>>4); |
| 57871462 |
1044 | if((r&63)==HIREG) addr=(int)&hi+((r&64)>>4); |
| 1045 | if((r&63)==LOREG) addr=(int)&lo+((r&64)>>4); |
| 1046 | if(r==CCREG) addr=(int)&cycle_count; |
| 1047 | if(r==CSREG) addr=(int)&Status; |
| 1048 | if(r==FSREG) addr=(int)&FCR31; |
| 1049 | if(r==INVCP) addr=(int)&invc_ptr; |
| 1050 | u_int offset = addr-(u_int)&dynarec_local; |
| 1051 | assert(offset<4096); |
| 1052 | assem_debug("ldr %s,fp+%d\n",regname[hr],offset); |
| 1053 | output_w32(0xe5900000|rd_rn_rm(hr,FP,0)|offset); |
| 1054 | } |
| 1055 | } |
| 1056 | void emit_storereg(int r, int hr) |
| 1057 | { |
| 3d624f89 |
1058 | #ifdef FORCE32 |
| 1059 | if(r&64) { |
| 1060 | printf("64bit store in 32bit mode!\n"); |
| 7f2607ea |
1061 | assert(0); |
| 1062 | return; |
| 3d624f89 |
1063 | } |
| 1064 | #endif |
| 1065 | int addr=((int)reg)+((r&63)<<REG_SHIFT)+((r&64)>>4); |
| 57871462 |
1066 | if((r&63)==HIREG) addr=(int)&hi+((r&64)>>4); |
| 1067 | if((r&63)==LOREG) addr=(int)&lo+((r&64)>>4); |
| 1068 | if(r==CCREG) addr=(int)&cycle_count; |
| 1069 | if(r==FSREG) addr=(int)&FCR31; |
| 1070 | u_int offset = addr-(u_int)&dynarec_local; |
| 1071 | assert(offset<4096); |
| 1072 | assem_debug("str %s,fp+%d\n",regname[hr],offset); |
| 1073 | output_w32(0xe5800000|rd_rn_rm(hr,FP,0)|offset); |
| 1074 | } |
| 1075 | |
| 1076 | void emit_test(int rs, int rt) |
| 1077 | { |
| 1078 | assem_debug("tst %s,%s\n",regname[rs],regname[rt]); |
| 1079 | output_w32(0xe1100000|rd_rn_rm(0,rs,rt)); |
| 1080 | } |
| 1081 | |
| 1082 | void emit_testimm(int rs,int imm) |
| 1083 | { |
| 1084 | u_int armval; |
| 5a05d80c |
1085 | assem_debug("tst %s,#%d\n",regname[rs],imm); |
| cfbd3c6e |
1086 | genimm_checked(imm,&armval); |
| 57871462 |
1087 | output_w32(0xe3100000|rd_rn_rm(0,rs,0)|armval); |
| 1088 | } |
| 1089 | |
| b9b61529 |
1090 | void emit_testeqimm(int rs,int imm) |
| 1091 | { |
| 1092 | u_int armval; |
| 1093 | assem_debug("tsteq %s,$%d\n",regname[rs],imm); |
| cfbd3c6e |
1094 | genimm_checked(imm,&armval); |
| b9b61529 |
1095 | output_w32(0x03100000|rd_rn_rm(0,rs,0)|armval); |
| 1096 | } |
| 1097 | |
| 57871462 |
1098 | void emit_not(int rs,int rt) |
| 1099 | { |
| 1100 | assem_debug("mvn %s,%s\n",regname[rt],regname[rs]); |
| 1101 | output_w32(0xe1e00000|rd_rn_rm(rt,0,rs)); |
| 1102 | } |
| 1103 | |
| b9b61529 |
1104 | void emit_mvnmi(int rs,int rt) |
| 1105 | { |
| 1106 | assem_debug("mvnmi %s,%s\n",regname[rt],regname[rs]); |
| 1107 | output_w32(0x41e00000|rd_rn_rm(rt,0,rs)); |
| 1108 | } |
| 1109 | |
| 57871462 |
1110 | void emit_and(u_int rs1,u_int rs2,u_int rt) |
| 1111 | { |
| 1112 | assem_debug("and %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1113 | output_w32(0xe0000000|rd_rn_rm(rt,rs1,rs2)); |
| 1114 | } |
| 1115 | |
| 1116 | void emit_or(u_int rs1,u_int rs2,u_int rt) |
| 1117 | { |
| 1118 | assem_debug("orr %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1119 | output_w32(0xe1800000|rd_rn_rm(rt,rs1,rs2)); |
| 1120 | } |
| 1121 | void emit_or_and_set_flags(int rs1,int rs2,int rt) |
| 1122 | { |
| 1123 | assem_debug("orrs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1124 | output_w32(0xe1900000|rd_rn_rm(rt,rs1,rs2)); |
| 1125 | } |
| 1126 | |
| f70d384d |
1127 | void emit_orrshl_imm(u_int rs,u_int imm,u_int rt) |
| 1128 | { |
| 1129 | assert(rs<16); |
| 1130 | assert(rt<16); |
| 1131 | assert(imm<32); |
| 1132 | assem_debug("orr %s,%s,%s,lsl #%d\n",regname[rt],regname[rt],regname[rs],imm); |
| 1133 | output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|(imm<<7)); |
| 1134 | } |
| 1135 | |
| 576bbd8f |
1136 | void emit_orrshr_imm(u_int rs,u_int imm,u_int rt) |
| 1137 | { |
| 1138 | assert(rs<16); |
| 1139 | assert(rt<16); |
| 1140 | assert(imm<32); |
| 1141 | assem_debug("orr %s,%s,%s,lsr #%d\n",regname[rt],regname[rt],regname[rs],imm); |
| 1142 | output_w32(0xe1800020|rd_rn_rm(rt,rt,rs)|(imm<<7)); |
| 1143 | } |
| 1144 | |
| 57871462 |
1145 | void emit_xor(u_int rs1,u_int rs2,u_int rt) |
| 1146 | { |
| 1147 | assem_debug("eor %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1148 | output_w32(0xe0200000|rd_rn_rm(rt,rs1,rs2)); |
| 1149 | } |
| 1150 | |
| 57871462 |
1151 | void emit_addimm(u_int rs,int imm,u_int rt) |
| 1152 | { |
| 1153 | assert(rs<16); |
| 1154 | assert(rt<16); |
| 1155 | if(imm!=0) { |
| 57871462 |
1156 | u_int armval; |
| 1157 | if(genimm(imm,&armval)) { |
| 1158 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1159 | output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval); |
| 1160 | }else if(genimm(-imm,&armval)) { |
| 8a0a8423 |
1161 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],-imm); |
| 57871462 |
1162 | output_w32(0xe2400000|rd_rn_rm(rt,rs,0)|armval); |
| 1163 | }else if(imm<0) { |
| ffb0b9e0 |
1164 | assert(imm>-65536); |
| 57871462 |
1165 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],(-imm)&0xFF00); |
| 1166 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF); |
| 1167 | output_w32(0xe2400000|rd_rn_imm_shift(rt,rs,(-imm)>>8,8)); |
| 1168 | output_w32(0xe2400000|rd_rn_imm_shift(rt,rt,(-imm)&0xff,0)); |
| 1169 | }else{ |
| ffb0b9e0 |
1170 | assert(imm<65536); |
| 57871462 |
1171 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00); |
| 1172 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF); |
| 1173 | output_w32(0xe2800000|rd_rn_imm_shift(rt,rs,imm>>8,8)); |
| 1174 | output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
| 1175 | } |
| 1176 | } |
| 1177 | else if(rs!=rt) emit_mov(rs,rt); |
| 1178 | } |
| 1179 | |
| 1180 | void emit_addimm_and_set_flags(int imm,int rt) |
| 1181 | { |
| 1182 | assert(imm>-65536&&imm<65536); |
| 1183 | u_int armval; |
| 1184 | if(genimm(imm,&armval)) { |
| 1185 | assem_debug("adds %s,%s,#%d\n",regname[rt],regname[rt],imm); |
| 1186 | output_w32(0xe2900000|rd_rn_rm(rt,rt,0)|armval); |
| 1187 | }else if(genimm(-imm,&armval)) { |
| 1188 | assem_debug("subs %s,%s,#%d\n",regname[rt],regname[rt],imm); |
| 1189 | output_w32(0xe2500000|rd_rn_rm(rt,rt,0)|armval); |
| 1190 | }else if(imm<0) { |
| 1191 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF00); |
| 1192 | assem_debug("subs %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF); |
| 1193 | output_w32(0xe2400000|rd_rn_imm_shift(rt,rt,(-imm)>>8,8)); |
| 1194 | output_w32(0xe2500000|rd_rn_imm_shift(rt,rt,(-imm)&0xff,0)); |
| 1195 | }else{ |
| 1196 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF00); |
| 1197 | assem_debug("adds %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF); |
| 1198 | output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm>>8,8)); |
| 1199 | output_w32(0xe2900000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
| 1200 | } |
| 1201 | } |
| 1202 | void emit_addimm_no_flags(u_int imm,u_int rt) |
| 1203 | { |
| 1204 | emit_addimm(rt,imm,rt); |
| 1205 | } |
| 1206 | |
| 1207 | void emit_addnop(u_int r) |
| 1208 | { |
| 1209 | assert(r<16); |
| 1210 | assem_debug("add %s,%s,#0 (nop)\n",regname[r],regname[r]); |
| 1211 | output_w32(0xe2800000|rd_rn_rm(r,r,0)); |
| 1212 | } |
| 1213 | |
| 1214 | void emit_adcimm(u_int rs,int imm,u_int rt) |
| 1215 | { |
| 1216 | u_int armval; |
| cfbd3c6e |
1217 | genimm_checked(imm,&armval); |
| 57871462 |
1218 | assem_debug("adc %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1219 | output_w32(0xe2a00000|rd_rn_rm(rt,rs,0)|armval); |
| 1220 | } |
| 1221 | /*void emit_sbcimm(int imm,u_int rt) |
| 1222 | { |
| 1223 | u_int armval; |
| cfbd3c6e |
1224 | genimm_checked(imm,&armval); |
| 57871462 |
1225 | assem_debug("sbc %s,%s,#%d\n",regname[rt],regname[rt],imm); |
| 1226 | output_w32(0xe2c00000|rd_rn_rm(rt,rt,0)|armval); |
| 1227 | }*/ |
| 1228 | void emit_sbbimm(int imm,u_int rt) |
| 1229 | { |
| 1230 | assem_debug("sbb $%d,%%%s\n",imm,regname[rt]); |
| 1231 | assert(rt<8); |
| 1232 | if(imm<128&&imm>=-128) { |
| 1233 | output_byte(0x83); |
| 1234 | output_modrm(3,rt,3); |
| 1235 | output_byte(imm); |
| 1236 | } |
| 1237 | else |
| 1238 | { |
| 1239 | output_byte(0x81); |
| 1240 | output_modrm(3,rt,3); |
| 1241 | output_w32(imm); |
| 1242 | } |
| 1243 | } |
| 1244 | void emit_rscimm(int rs,int imm,u_int rt) |
| 1245 | { |
| 1246 | assert(0); |
| 1247 | u_int armval; |
| cfbd3c6e |
1248 | genimm_checked(imm,&armval); |
| 57871462 |
1249 | assem_debug("rsc %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1250 | output_w32(0xe2e00000|rd_rn_rm(rt,rs,0)|armval); |
| 1251 | } |
| 1252 | |
| 1253 | void emit_addimm64_32(int rsh,int rsl,int imm,int rth,int rtl) |
| 1254 | { |
| 1255 | // TODO: if(genimm(imm,&armval)) ... |
| 1256 | // else |
| 1257 | emit_movimm(imm,HOST_TEMPREG); |
| 1258 | emit_adds(HOST_TEMPREG,rsl,rtl); |
| 1259 | emit_adcimm(rsh,0,rth); |
| 1260 | } |
| 1261 | |
| 1262 | void emit_sbb(int rs1,int rs2) |
| 1263 | { |
| 1264 | assem_debug("sbb %%%s,%%%s\n",regname[rs2],regname[rs1]); |
| 1265 | output_byte(0x19); |
| 1266 | output_modrm(3,rs1,rs2); |
| 1267 | } |
| 1268 | |
| 1269 | void emit_andimm(int rs,int imm,int rt) |
| 1270 | { |
| 1271 | u_int armval; |
| 790ee18e |
1272 | if(imm==0) { |
| 1273 | emit_zeroreg(rt); |
| 1274 | }else if(genimm(imm,&armval)) { |
| 57871462 |
1275 | assem_debug("and %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1276 | output_w32(0xe2000000|rd_rn_rm(rt,rs,0)|armval); |
| 1277 | }else if(genimm(~imm,&armval)) { |
| 1278 | assem_debug("bic %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1279 | output_w32(0xe3c00000|rd_rn_rm(rt,rs,0)|armval); |
| 1280 | }else if(imm==65535) { |
| 1281 | #ifdef ARMv5_ONLY |
| 1282 | assem_debug("bic %s,%s,#FF000000\n",regname[rt],regname[rs]); |
| 1283 | output_w32(0xe3c00000|rd_rn_rm(rt,rs,0)|0x4FF); |
| 1284 | assem_debug("bic %s,%s,#00FF0000\n",regname[rt],regname[rt]); |
| 1285 | output_w32(0xe3c00000|rd_rn_rm(rt,rt,0)|0x8FF); |
| 1286 | #else |
| 1287 | assem_debug("uxth %s,%s\n",regname[rt],regname[rs]); |
| 1288 | output_w32(0xe6ff0070|rd_rn_rm(rt,0,rs)); |
| 1289 | #endif |
| 1290 | }else{ |
| 1291 | assert(imm>0&&imm<65535); |
| 1292 | #ifdef ARMv5_ONLY |
| 1293 | assem_debug("mov r14,#%d\n",imm&0xFF00); |
| 1294 | output_w32(0xe3a00000|rd_rn_imm_shift(HOST_TEMPREG,0,imm>>8,8)); |
| 1295 | assem_debug("add r14,r14,#%d\n",imm&0xFF); |
| 1296 | output_w32(0xe2800000|rd_rn_imm_shift(HOST_TEMPREG,HOST_TEMPREG,imm&0xff,0)); |
| 1297 | #else |
| 1298 | emit_movw(imm,HOST_TEMPREG); |
| 1299 | #endif |
| 1300 | assem_debug("and %s,%s,r14\n",regname[rt],regname[rs]); |
| 1301 | output_w32(0xe0000000|rd_rn_rm(rt,rs,HOST_TEMPREG)); |
| 1302 | } |
| 1303 | } |
| 1304 | |
| 1305 | void emit_orimm(int rs,int imm,int rt) |
| 1306 | { |
| 1307 | u_int armval; |
| 790ee18e |
1308 | if(imm==0) { |
| 1309 | if(rs!=rt) emit_mov(rs,rt); |
| 1310 | }else if(genimm(imm,&armval)) { |
| 57871462 |
1311 | assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1312 | output_w32(0xe3800000|rd_rn_rm(rt,rs,0)|armval); |
| 1313 | }else{ |
| 1314 | assert(imm>0&&imm<65536); |
| 1315 | assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00); |
| 1316 | assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF); |
| 1317 | output_w32(0xe3800000|rd_rn_imm_shift(rt,rs,imm>>8,8)); |
| 1318 | output_w32(0xe3800000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
| 1319 | } |
| 1320 | } |
| 1321 | |
| 1322 | void emit_xorimm(int rs,int imm,int rt) |
| 1323 | { |
| 57871462 |
1324 | u_int armval; |
| 790ee18e |
1325 | if(imm==0) { |
| 1326 | if(rs!=rt) emit_mov(rs,rt); |
| 1327 | }else if(genimm(imm,&armval)) { |
| 57871462 |
1328 | assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1329 | output_w32(0xe2200000|rd_rn_rm(rt,rs,0)|armval); |
| 1330 | }else{ |
| 514ed0d9 |
1331 | assert(imm>0&&imm<65536); |
| 57871462 |
1332 | assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00); |
| 1333 | assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF); |
| 1334 | output_w32(0xe2200000|rd_rn_imm_shift(rt,rs,imm>>8,8)); |
| 1335 | output_w32(0xe2200000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
| 1336 | } |
| 1337 | } |
| 1338 | |
| 1339 | void emit_shlimm(int rs,u_int imm,int rt) |
| 1340 | { |
| 1341 | assert(imm>0); |
| 1342 | assert(imm<32); |
| 1343 | //if(imm==1) ... |
| 1344 | assem_debug("lsl %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1345 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|(imm<<7)); |
| 1346 | } |
| 1347 | |
| c6c3b1b3 |
1348 | void emit_lsls_imm(int rs,int imm,int rt) |
| 1349 | { |
| 1350 | assert(imm>0); |
| 1351 | assert(imm<32); |
| 1352 | assem_debug("lsls %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1353 | output_w32(0xe1b00000|rd_rn_rm(rt,0,rs)|(imm<<7)); |
| 1354 | } |
| 1355 | |
| 57871462 |
1356 | void emit_shrimm(int rs,u_int imm,int rt) |
| 1357 | { |
| 1358 | assert(imm>0); |
| 1359 | assert(imm<32); |
| 1360 | assem_debug("lsr %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1361 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7)); |
| 1362 | } |
| 1363 | |
| 1364 | void emit_sarimm(int rs,u_int imm,int rt) |
| 1365 | { |
| 1366 | assert(imm>0); |
| 1367 | assert(imm<32); |
| 1368 | assem_debug("asr %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1369 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x40|(imm<<7)); |
| 1370 | } |
| 1371 | |
| 1372 | void emit_rorimm(int rs,u_int imm,int rt) |
| 1373 | { |
| 1374 | assert(imm>0); |
| 1375 | assert(imm<32); |
| 1376 | assem_debug("ror %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1377 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x60|(imm<<7)); |
| 1378 | } |
| 1379 | |
| 1380 | void emit_shldimm(int rs,int rs2,u_int imm,int rt) |
| 1381 | { |
| 1382 | assem_debug("shld %%%s,%%%s,%d\n",regname[rt],regname[rs2],imm); |
| 1383 | assert(imm>0); |
| 1384 | assert(imm<32); |
| 1385 | //if(imm==1) ... |
| 1386 | assem_debug("lsl %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1387 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|(imm<<7)); |
| 1388 | assem_debug("orr %s,%s,%s,lsr #%d\n",regname[rt],regname[rt],regname[rs2],32-imm); |
| 1389 | output_w32(0xe1800020|rd_rn_rm(rt,rt,rs2)|((32-imm)<<7)); |
| 1390 | } |
| 1391 | |
| 1392 | void emit_shrdimm(int rs,int rs2,u_int imm,int rt) |
| 1393 | { |
| 1394 | assem_debug("shrd %%%s,%%%s,%d\n",regname[rt],regname[rs2],imm); |
| 1395 | assert(imm>0); |
| 1396 | assert(imm<32); |
| 1397 | //if(imm==1) ... |
| 1398 | assem_debug("lsr %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 1399 | output_w32(0xe1a00020|rd_rn_rm(rt,0,rs)|(imm<<7)); |
| 1400 | assem_debug("orr %s,%s,%s,lsl #%d\n",regname[rt],regname[rt],regname[rs2],32-imm); |
| 1401 | output_w32(0xe1800000|rd_rn_rm(rt,rt,rs2)|((32-imm)<<7)); |
| 1402 | } |
| 1403 | |
| b9b61529 |
1404 | void emit_signextend16(int rs,int rt) |
| 1405 | { |
| 1406 | #ifdef ARMv5_ONLY |
| 1407 | emit_shlimm(rs,16,rt); |
| 1408 | emit_sarimm(rt,16,rt); |
| 1409 | #else |
| 1410 | assem_debug("sxth %s,%s\n",regname[rt],regname[rs]); |
| 1411 | output_w32(0xe6bf0070|rd_rn_rm(rt,0,rs)); |
| 1412 | #endif |
| 1413 | } |
| 1414 | |
| c6c3b1b3 |
1415 | void emit_signextend8(int rs,int rt) |
| 1416 | { |
| 1417 | #ifdef ARMv5_ONLY |
| 1418 | emit_shlimm(rs,24,rt); |
| 1419 | emit_sarimm(rt,24,rt); |
| 1420 | #else |
| 1421 | assem_debug("sxtb %s,%s\n",regname[rt],regname[rs]); |
| 1422 | output_w32(0xe6af0070|rd_rn_rm(rt,0,rs)); |
| 1423 | #endif |
| 1424 | } |
| 1425 | |
| 57871462 |
1426 | void emit_shl(u_int rs,u_int shift,u_int rt) |
| 1427 | { |
| 1428 | assert(rs<16); |
| 1429 | assert(rt<16); |
| 1430 | assert(shift<16); |
| 1431 | //if(imm==1) ... |
| 1432 | assem_debug("lsl %s,%s,%s\n",regname[rt],regname[rs],regname[shift]); |
| 1433 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x10|(shift<<8)); |
| 1434 | } |
| 1435 | void emit_shr(u_int rs,u_int shift,u_int rt) |
| 1436 | { |
| 1437 | assert(rs<16); |
| 1438 | assert(rt<16); |
| 1439 | assert(shift<16); |
| 1440 | assem_debug("lsr %s,%s,%s\n",regname[rt],regname[rs],regname[shift]); |
| 1441 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x30|(shift<<8)); |
| 1442 | } |
| 1443 | void emit_sar(u_int rs,u_int shift,u_int rt) |
| 1444 | { |
| 1445 | assert(rs<16); |
| 1446 | assert(rt<16); |
| 1447 | assert(shift<16); |
| 1448 | assem_debug("asr %s,%s,%s\n",regname[rt],regname[rs],regname[shift]); |
| 1449 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x50|(shift<<8)); |
| 1450 | } |
| 1451 | void emit_shlcl(int r) |
| 1452 | { |
| 1453 | assem_debug("shl %%%s,%%cl\n",regname[r]); |
| 1454 | assert(0); |
| 1455 | } |
| 1456 | void emit_shrcl(int r) |
| 1457 | { |
| 1458 | assem_debug("shr %%%s,%%cl\n",regname[r]); |
| 1459 | assert(0); |
| 1460 | } |
| 1461 | void emit_sarcl(int r) |
| 1462 | { |
| 1463 | assem_debug("sar %%%s,%%cl\n",regname[r]); |
| 1464 | assert(0); |
| 1465 | } |
| 1466 | |
| 1467 | void emit_shldcl(int r1,int r2) |
| 1468 | { |
| 1469 | assem_debug("shld %%%s,%%%s,%%cl\n",regname[r1],regname[r2]); |
| 1470 | assert(0); |
| 1471 | } |
| 1472 | void emit_shrdcl(int r1,int r2) |
| 1473 | { |
| 1474 | assem_debug("shrd %%%s,%%%s,%%cl\n",regname[r1],regname[r2]); |
| 1475 | assert(0); |
| 1476 | } |
| 1477 | void emit_orrshl(u_int rs,u_int shift,u_int rt) |
| 1478 | { |
| 1479 | assert(rs<16); |
| 1480 | assert(rt<16); |
| 1481 | assert(shift<16); |
| 1482 | assem_debug("orr %s,%s,%s,lsl %s\n",regname[rt],regname[rt],regname[rs],regname[shift]); |
| 1483 | output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|0x10|(shift<<8)); |
| 1484 | } |
| 1485 | void emit_orrshr(u_int rs,u_int shift,u_int rt) |
| 1486 | { |
| 1487 | assert(rs<16); |
| 1488 | assert(rt<16); |
| 1489 | assert(shift<16); |
| 1490 | assem_debug("orr %s,%s,%s,lsr %s\n",regname[rt],regname[rt],regname[rs],regname[shift]); |
| 1491 | output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|0x30|(shift<<8)); |
| 1492 | } |
| 1493 | |
| 1494 | void emit_cmpimm(int rs,int imm) |
| 1495 | { |
| 1496 | u_int armval; |
| 1497 | if(genimm(imm,&armval)) { |
| 5a05d80c |
1498 | assem_debug("cmp %s,#%d\n",regname[rs],imm); |
| 57871462 |
1499 | output_w32(0xe3500000|rd_rn_rm(0,rs,0)|armval); |
| 1500 | }else if(genimm(-imm,&armval)) { |
| 5a05d80c |
1501 | assem_debug("cmn %s,#%d\n",regname[rs],imm); |
| 57871462 |
1502 | output_w32(0xe3700000|rd_rn_rm(0,rs,0)|armval); |
| 1503 | }else if(imm>0) { |
| 1504 | assert(imm<65536); |
| 1505 | #ifdef ARMv5_ONLY |
| 1506 | emit_movimm(imm,HOST_TEMPREG); |
| 1507 | #else |
| 1508 | emit_movw(imm,HOST_TEMPREG); |
| 1509 | #endif |
| 1510 | assem_debug("cmp %s,r14\n",regname[rs]); |
| 1511 | output_w32(0xe1500000|rd_rn_rm(0,rs,HOST_TEMPREG)); |
| 1512 | }else{ |
| 1513 | assert(imm>-65536); |
| 1514 | #ifdef ARMv5_ONLY |
| 1515 | emit_movimm(-imm,HOST_TEMPREG); |
| 1516 | #else |
| 1517 | emit_movw(-imm,HOST_TEMPREG); |
| 1518 | #endif |
| 1519 | assem_debug("cmn %s,r14\n",regname[rs]); |
| 1520 | output_w32(0xe1700000|rd_rn_rm(0,rs,HOST_TEMPREG)); |
| 1521 | } |
| 1522 | } |
| 1523 | |
| 1524 | void emit_cmovne(u_int *addr,int rt) |
| 1525 | { |
| 1526 | assem_debug("cmovne %x,%%%s",(int)addr,regname[rt]); |
| 1527 | assert(0); |
| 1528 | } |
| 1529 | void emit_cmovl(u_int *addr,int rt) |
| 1530 | { |
| 1531 | assem_debug("cmovl %x,%%%s",(int)addr,regname[rt]); |
| 1532 | assert(0); |
| 1533 | } |
| 1534 | void emit_cmovs(u_int *addr,int rt) |
| 1535 | { |
| 1536 | assem_debug("cmovs %x,%%%s",(int)addr,regname[rt]); |
| 1537 | assert(0); |
| 1538 | } |
| 1539 | void emit_cmovne_imm(int imm,int rt) |
| 1540 | { |
| 1541 | assem_debug("movne %s,#%d\n",regname[rt],imm); |
| 1542 | u_int armval; |
| cfbd3c6e |
1543 | genimm_checked(imm,&armval); |
| 57871462 |
1544 | output_w32(0x13a00000|rd_rn_rm(rt,0,0)|armval); |
| 1545 | } |
| 1546 | void emit_cmovl_imm(int imm,int rt) |
| 1547 | { |
| 1548 | assem_debug("movlt %s,#%d\n",regname[rt],imm); |
| 1549 | u_int armval; |
| cfbd3c6e |
1550 | genimm_checked(imm,&armval); |
| 57871462 |
1551 | output_w32(0xb3a00000|rd_rn_rm(rt,0,0)|armval); |
| 1552 | } |
| 1553 | void emit_cmovb_imm(int imm,int rt) |
| 1554 | { |
| 1555 | assem_debug("movcc %s,#%d\n",regname[rt],imm); |
| 1556 | u_int armval; |
| cfbd3c6e |
1557 | genimm_checked(imm,&armval); |
| 57871462 |
1558 | output_w32(0x33a00000|rd_rn_rm(rt,0,0)|armval); |
| 1559 | } |
| 1560 | void emit_cmovs_imm(int imm,int rt) |
| 1561 | { |
| 1562 | assem_debug("movmi %s,#%d\n",regname[rt],imm); |
| 1563 | u_int armval; |
| cfbd3c6e |
1564 | genimm_checked(imm,&armval); |
| 57871462 |
1565 | output_w32(0x43a00000|rd_rn_rm(rt,0,0)|armval); |
| 1566 | } |
| 1567 | void emit_cmove_reg(int rs,int rt) |
| 1568 | { |
| 1569 | assem_debug("moveq %s,%s\n",regname[rt],regname[rs]); |
| 1570 | output_w32(0x01a00000|rd_rn_rm(rt,0,rs)); |
| 1571 | } |
| 1572 | void emit_cmovne_reg(int rs,int rt) |
| 1573 | { |
| 1574 | assem_debug("movne %s,%s\n",regname[rt],regname[rs]); |
| 1575 | output_w32(0x11a00000|rd_rn_rm(rt,0,rs)); |
| 1576 | } |
| 1577 | void emit_cmovl_reg(int rs,int rt) |
| 1578 | { |
| 1579 | assem_debug("movlt %s,%s\n",regname[rt],regname[rs]); |
| 1580 | output_w32(0xb1a00000|rd_rn_rm(rt,0,rs)); |
| 1581 | } |
| 1582 | void emit_cmovs_reg(int rs,int rt) |
| 1583 | { |
| 1584 | assem_debug("movmi %s,%s\n",regname[rt],regname[rs]); |
| 1585 | output_w32(0x41a00000|rd_rn_rm(rt,0,rs)); |
| 1586 | } |
| 1587 | |
| 1588 | void emit_slti32(int rs,int imm,int rt) |
| 1589 | { |
| 1590 | if(rs!=rt) emit_zeroreg(rt); |
| 1591 | emit_cmpimm(rs,imm); |
| 1592 | if(rs==rt) emit_movimm(0,rt); |
| 1593 | emit_cmovl_imm(1,rt); |
| 1594 | } |
| 1595 | void emit_sltiu32(int rs,int imm,int rt) |
| 1596 | { |
| 1597 | if(rs!=rt) emit_zeroreg(rt); |
| 1598 | emit_cmpimm(rs,imm); |
| 1599 | if(rs==rt) emit_movimm(0,rt); |
| 1600 | emit_cmovb_imm(1,rt); |
| 1601 | } |
| 1602 | void emit_slti64_32(int rsh,int rsl,int imm,int rt) |
| 1603 | { |
| 1604 | assert(rsh!=rt); |
| 1605 | emit_slti32(rsl,imm,rt); |
| 1606 | if(imm>=0) |
| 1607 | { |
| 1608 | emit_test(rsh,rsh); |
| 1609 | emit_cmovne_imm(0,rt); |
| 1610 | emit_cmovs_imm(1,rt); |
| 1611 | } |
| 1612 | else |
| 1613 | { |
| 1614 | emit_cmpimm(rsh,-1); |
| 1615 | emit_cmovne_imm(0,rt); |
| 1616 | emit_cmovl_imm(1,rt); |
| 1617 | } |
| 1618 | } |
| 1619 | void emit_sltiu64_32(int rsh,int rsl,int imm,int rt) |
| 1620 | { |
| 1621 | assert(rsh!=rt); |
| 1622 | emit_sltiu32(rsl,imm,rt); |
| 1623 | if(imm>=0) |
| 1624 | { |
| 1625 | emit_test(rsh,rsh); |
| 1626 | emit_cmovne_imm(0,rt); |
| 1627 | } |
| 1628 | else |
| 1629 | { |
| 1630 | emit_cmpimm(rsh,-1); |
| 1631 | emit_cmovne_imm(1,rt); |
| 1632 | } |
| 1633 | } |
| 1634 | |
| 1635 | void emit_cmp(int rs,int rt) |
| 1636 | { |
| 1637 | assem_debug("cmp %s,%s\n",regname[rs],regname[rt]); |
| 1638 | output_w32(0xe1500000|rd_rn_rm(0,rs,rt)); |
| 1639 | } |
| 1640 | void emit_set_gz32(int rs, int rt) |
| 1641 | { |
| 1642 | //assem_debug("set_gz32\n"); |
| 1643 | emit_cmpimm(rs,1); |
| 1644 | emit_movimm(1,rt); |
| 1645 | emit_cmovl_imm(0,rt); |
| 1646 | } |
| 1647 | void emit_set_nz32(int rs, int rt) |
| 1648 | { |
| 1649 | //assem_debug("set_nz32\n"); |
| 1650 | if(rs!=rt) emit_movs(rs,rt); |
| 1651 | else emit_test(rs,rs); |
| 1652 | emit_cmovne_imm(1,rt); |
| 1653 | } |
| 1654 | void emit_set_gz64_32(int rsh, int rsl, int rt) |
| 1655 | { |
| 1656 | //assem_debug("set_gz64\n"); |
| 1657 | emit_set_gz32(rsl,rt); |
| 1658 | emit_test(rsh,rsh); |
| 1659 | emit_cmovne_imm(1,rt); |
| 1660 | emit_cmovs_imm(0,rt); |
| 1661 | } |
| 1662 | void emit_set_nz64_32(int rsh, int rsl, int rt) |
| 1663 | { |
| 1664 | //assem_debug("set_nz64\n"); |
| 1665 | emit_or_and_set_flags(rsh,rsl,rt); |
| 1666 | emit_cmovne_imm(1,rt); |
| 1667 | } |
| 1668 | void emit_set_if_less32(int rs1, int rs2, int rt) |
| 1669 | { |
| 1670 | //assem_debug("set if less (%%%s,%%%s),%%%s\n",regname[rs1],regname[rs2],regname[rt]); |
| 1671 | if(rs1!=rt&&rs2!=rt) emit_zeroreg(rt); |
| 1672 | emit_cmp(rs1,rs2); |
| 1673 | if(rs1==rt||rs2==rt) emit_movimm(0,rt); |
| 1674 | emit_cmovl_imm(1,rt); |
| 1675 | } |
| 1676 | void emit_set_if_carry32(int rs1, int rs2, int rt) |
| 1677 | { |
| 1678 | //assem_debug("set if carry (%%%s,%%%s),%%%s\n",regname[rs1],regname[rs2],regname[rt]); |
| 1679 | if(rs1!=rt&&rs2!=rt) emit_zeroreg(rt); |
| 1680 | emit_cmp(rs1,rs2); |
| 1681 | if(rs1==rt||rs2==rt) emit_movimm(0,rt); |
| 1682 | emit_cmovb_imm(1,rt); |
| 1683 | } |
| 1684 | void emit_set_if_less64_32(int u1, int l1, int u2, int l2, int rt) |
| 1685 | { |
| 1686 | //assem_debug("set if less64 (%%%s,%%%s,%%%s,%%%s),%%%s\n",regname[u1],regname[l1],regname[u2],regname[l2],regname[rt]); |
| 1687 | assert(u1!=rt); |
| 1688 | assert(u2!=rt); |
| 1689 | emit_cmp(l1,l2); |
| 1690 | emit_movimm(0,rt); |
| 1691 | emit_sbcs(u1,u2,HOST_TEMPREG); |
| 1692 | emit_cmovl_imm(1,rt); |
| 1693 | } |
| 1694 | void emit_set_if_carry64_32(int u1, int l1, int u2, int l2, int rt) |
| 1695 | { |
| 1696 | //assem_debug("set if carry64 (%%%s,%%%s,%%%s,%%%s),%%%s\n",regname[u1],regname[l1],regname[u2],regname[l2],regname[rt]); |
| 1697 | assert(u1!=rt); |
| 1698 | assert(u2!=rt); |
| 1699 | emit_cmp(l1,l2); |
| 1700 | emit_movimm(0,rt); |
| 1701 | emit_sbcs(u1,u2,HOST_TEMPREG); |
| 1702 | emit_cmovb_imm(1,rt); |
| 1703 | } |
| 1704 | |
| 1705 | void emit_call(int a) |
| 1706 | { |
| 1707 | assem_debug("bl %x (%x+%x)\n",a,(int)out,a-(int)out-8); |
| 1708 | u_int offset=genjmp(a); |
| 1709 | output_w32(0xeb000000|offset); |
| 1710 | } |
| 1711 | void emit_jmp(int a) |
| 1712 | { |
| 1713 | assem_debug("b %x (%x+%x)\n",a,(int)out,a-(int)out-8); |
| 1714 | u_int offset=genjmp(a); |
| 1715 | output_w32(0xea000000|offset); |
| 1716 | } |
| 1717 | void emit_jne(int a) |
| 1718 | { |
| 1719 | assem_debug("bne %x\n",a); |
| 1720 | u_int offset=genjmp(a); |
| 1721 | output_w32(0x1a000000|offset); |
| 1722 | } |
| 1723 | void emit_jeq(int a) |
| 1724 | { |
| 1725 | assem_debug("beq %x\n",a); |
| 1726 | u_int offset=genjmp(a); |
| 1727 | output_w32(0x0a000000|offset); |
| 1728 | } |
| 1729 | void emit_js(int a) |
| 1730 | { |
| 1731 | assem_debug("bmi %x\n",a); |
| 1732 | u_int offset=genjmp(a); |
| 1733 | output_w32(0x4a000000|offset); |
| 1734 | } |
| 1735 | void emit_jns(int a) |
| 1736 | { |
| 1737 | assem_debug("bpl %x\n",a); |
| 1738 | u_int offset=genjmp(a); |
| 1739 | output_w32(0x5a000000|offset); |
| 1740 | } |
| 1741 | void emit_jl(int a) |
| 1742 | { |
| 1743 | assem_debug("blt %x\n",a); |
| 1744 | u_int offset=genjmp(a); |
| 1745 | output_w32(0xba000000|offset); |
| 1746 | } |
| 1747 | void emit_jge(int a) |
| 1748 | { |
| 1749 | assem_debug("bge %x\n",a); |
| 1750 | u_int offset=genjmp(a); |
| 1751 | output_w32(0xaa000000|offset); |
| 1752 | } |
| 1753 | void emit_jno(int a) |
| 1754 | { |
| 1755 | assem_debug("bvc %x\n",a); |
| 1756 | u_int offset=genjmp(a); |
| 1757 | output_w32(0x7a000000|offset); |
| 1758 | } |
| 1759 | void emit_jc(int a) |
| 1760 | { |
| 1761 | assem_debug("bcs %x\n",a); |
| 1762 | u_int offset=genjmp(a); |
| 1763 | output_w32(0x2a000000|offset); |
| 1764 | } |
| 1765 | void emit_jcc(int a) |
| 1766 | { |
| 1767 | assem_debug("bcc %x\n",a); |
| 1768 | u_int offset=genjmp(a); |
| 1769 | output_w32(0x3a000000|offset); |
| 1770 | } |
| 1771 | |
| 1772 | void emit_pushimm(int imm) |
| 1773 | { |
| 1774 | assem_debug("push $%x\n",imm); |
| 1775 | assert(0); |
| 1776 | } |
| 1777 | void emit_pusha() |
| 1778 | { |
| 1779 | assem_debug("pusha\n"); |
| 1780 | assert(0); |
| 1781 | } |
| 1782 | void emit_popa() |
| 1783 | { |
| 1784 | assem_debug("popa\n"); |
| 1785 | assert(0); |
| 1786 | } |
| 1787 | void emit_pushreg(u_int r) |
| 1788 | { |
| 1789 | assem_debug("push %%%s\n",regname[r]); |
| 1790 | assert(0); |
| 1791 | } |
| 1792 | void emit_popreg(u_int r) |
| 1793 | { |
| 1794 | assem_debug("pop %%%s\n",regname[r]); |
| 1795 | assert(0); |
| 1796 | } |
| 1797 | void emit_callreg(u_int r) |
| 1798 | { |
| c6c3b1b3 |
1799 | assert(r<15); |
| 1800 | assem_debug("blx %s\n",regname[r]); |
| 1801 | output_w32(0xe12fff30|r); |
| 57871462 |
1802 | } |
| 1803 | void emit_jmpreg(u_int r) |
| 1804 | { |
| 1805 | assem_debug("mov pc,%s\n",regname[r]); |
| 1806 | output_w32(0xe1a00000|rd_rn_rm(15,0,r)); |
| 1807 | } |
| 1808 | |
| 1809 | void emit_readword_indexed(int offset, int rs, int rt) |
| 1810 | { |
| 1811 | assert(offset>-4096&&offset<4096); |
| 1812 | assem_debug("ldr %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 1813 | if(offset>=0) { |
| 1814 | output_w32(0xe5900000|rd_rn_rm(rt,rs,0)|offset); |
| 1815 | }else{ |
| 1816 | output_w32(0xe5100000|rd_rn_rm(rt,rs,0)|(-offset)); |
| 1817 | } |
| 1818 | } |
| 1819 | void emit_readword_dualindexedx4(int rs1, int rs2, int rt) |
| 1820 | { |
| 1821 | assem_debug("ldr %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]); |
| 1822 | output_w32(0xe7900000|rd_rn_rm(rt,rs1,rs2)|0x100); |
| 1823 | } |
| c6c3b1b3 |
1824 | void emit_ldrcc_dualindexed(int rs1, int rs2, int rt) |
| 1825 | { |
| 1826 | assem_debug("ldrcc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1827 | output_w32(0x37900000|rd_rn_rm(rt,rs1,rs2)); |
| 1828 | } |
| 1829 | void emit_ldrccb_dualindexed(int rs1, int rs2, int rt) |
| 1830 | { |
| 1831 | assem_debug("ldrccb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1832 | output_w32(0x37d00000|rd_rn_rm(rt,rs1,rs2)); |
| 1833 | } |
| 1834 | void emit_ldrccsb_dualindexed(int rs1, int rs2, int rt) |
| 1835 | { |
| 1836 | assem_debug("ldrccsb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1837 | output_w32(0x319000d0|rd_rn_rm(rt,rs1,rs2)); |
| 1838 | } |
| 1839 | void emit_ldrcch_dualindexed(int rs1, int rs2, int rt) |
| 1840 | { |
| 1841 | assem_debug("ldrcch %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1842 | output_w32(0x319000b0|rd_rn_rm(rt,rs1,rs2)); |
| 1843 | } |
| 1844 | void emit_ldrccsh_dualindexed(int rs1, int rs2, int rt) |
| 1845 | { |
| 1846 | assem_debug("ldrccsh %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 1847 | output_w32(0x319000f0|rd_rn_rm(rt,rs1,rs2)); |
| 1848 | } |
| 57871462 |
1849 | void emit_readword_indexed_tlb(int addr, int rs, int map, int rt) |
| 1850 | { |
| 1851 | if(map<0) emit_readword_indexed(addr, rs, rt); |
| 1852 | else { |
| 1853 | assert(addr==0); |
| 1854 | emit_readword_dualindexedx4(rs, map, rt); |
| 1855 | } |
| 1856 | } |
| 1857 | void emit_readdword_indexed_tlb(int addr, int rs, int map, int rh, int rl) |
| 1858 | { |
| 1859 | if(map<0) { |
| 1860 | if(rh>=0) emit_readword_indexed(addr, rs, rh); |
| 1861 | emit_readword_indexed(addr+4, rs, rl); |
| 1862 | }else{ |
| 1863 | assert(rh!=rs); |
| 1864 | if(rh>=0) emit_readword_indexed_tlb(addr, rs, map, rh); |
| 1865 | emit_addimm(map,1,map); |
| 1866 | emit_readword_indexed_tlb(addr, rs, map, rl); |
| 1867 | } |
| 1868 | } |
| 1869 | void emit_movsbl_indexed(int offset, int rs, int rt) |
| 1870 | { |
| 1871 | assert(offset>-256&&offset<256); |
| 1872 | assem_debug("ldrsb %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 1873 | if(offset>=0) { |
| 1874 | output_w32(0xe1d000d0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 1875 | }else{ |
| 1876 | output_w32(0xe15000d0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
| 1877 | } |
| 1878 | } |
| 1879 | void emit_movsbl_indexed_tlb(int addr, int rs, int map, int rt) |
| 1880 | { |
| 1881 | if(map<0) emit_movsbl_indexed(addr, rs, rt); |
| 1882 | else { |
| 1883 | if(addr==0) { |
| 1884 | emit_shlimm(map,2,map); |
| 1885 | assem_debug("ldrsb %s,%s+%s\n",regname[rt],regname[rs],regname[map]); |
| 1886 | output_w32(0xe19000d0|rd_rn_rm(rt,rs,map)); |
| 1887 | }else{ |
| 1888 | assert(addr>-256&&addr<256); |
| 1889 | assem_debug("add %s,%s,%s,lsl #2\n",regname[rt],regname[rs],regname[map]); |
| 1890 | output_w32(0xe0800000|rd_rn_rm(rt,rs,map)|(2<<7)); |
| 1891 | emit_movsbl_indexed(addr, rt, rt); |
| 1892 | } |
| 1893 | } |
| 1894 | } |
| 1895 | void emit_movswl_indexed(int offset, int rs, int rt) |
| 1896 | { |
| 1897 | assert(offset>-256&&offset<256); |
| 1898 | assem_debug("ldrsh %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 1899 | if(offset>=0) { |
| 1900 | output_w32(0xe1d000f0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 1901 | }else{ |
| 1902 | output_w32(0xe15000f0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
| 1903 | } |
| 1904 | } |
| 1905 | void emit_movzbl_indexed(int offset, int rs, int rt) |
| 1906 | { |
| 1907 | assert(offset>-4096&&offset<4096); |
| 1908 | assem_debug("ldrb %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 1909 | if(offset>=0) { |
| 1910 | output_w32(0xe5d00000|rd_rn_rm(rt,rs,0)|offset); |
| 1911 | }else{ |
| 1912 | output_w32(0xe5500000|rd_rn_rm(rt,rs,0)|(-offset)); |
| 1913 | } |
| 1914 | } |
| 1915 | void emit_movzbl_dualindexedx4(int rs1, int rs2, int rt) |
| 1916 | { |
| 1917 | assem_debug("ldrb %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]); |
| 1918 | output_w32(0xe7d00000|rd_rn_rm(rt,rs1,rs2)|0x100); |
| 1919 | } |
| 1920 | void emit_movzbl_indexed_tlb(int addr, int rs, int map, int rt) |
| 1921 | { |
| 1922 | if(map<0) emit_movzbl_indexed(addr, rs, rt); |
| 1923 | else { |
| 1924 | if(addr==0) { |
| 1925 | emit_movzbl_dualindexedx4(rs, map, rt); |
| 1926 | }else{ |
| 1927 | emit_addimm(rs,addr,rt); |
| 1928 | emit_movzbl_dualindexedx4(rt, map, rt); |
| 1929 | } |
| 1930 | } |
| 1931 | } |
| 1932 | void emit_movzwl_indexed(int offset, int rs, int rt) |
| 1933 | { |
| 1934 | assert(offset>-256&&offset<256); |
| 1935 | assem_debug("ldrh %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 1936 | if(offset>=0) { |
| 1937 | output_w32(0xe1d000b0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 1938 | }else{ |
| 1939 | output_w32(0xe15000b0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
| 1940 | } |
| 1941 | } |
| 054175e9 |
1942 | static void emit_ldrd(int offset, int rs, int rt) |
| 1943 | { |
| 1944 | assert(offset>-256&&offset<256); |
| 1945 | assem_debug("ldrd %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 1946 | if(offset>=0) { |
| 1947 | output_w32(0xe1c000d0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 1948 | }else{ |
| 1949 | output_w32(0xe14000d0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
| 1950 | } |
| 1951 | } |
| 57871462 |
1952 | void emit_readword(int addr, int rt) |
| 1953 | { |
| 1954 | u_int offset = addr-(u_int)&dynarec_local; |
| 1955 | assert(offset<4096); |
| 1956 | assem_debug("ldr %s,fp+%d\n",regname[rt],offset); |
| 1957 | output_w32(0xe5900000|rd_rn_rm(rt,FP,0)|offset); |
| 1958 | } |
| 1959 | void emit_movsbl(int addr, int rt) |
| 1960 | { |
| 1961 | u_int offset = addr-(u_int)&dynarec_local; |
| 1962 | assert(offset<256); |
| 1963 | assem_debug("ldrsb %s,fp+%d\n",regname[rt],offset); |
| 1964 | output_w32(0xe1d000d0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 1965 | } |
| 1966 | void emit_movswl(int addr, int rt) |
| 1967 | { |
| 1968 | u_int offset = addr-(u_int)&dynarec_local; |
| 1969 | assert(offset<256); |
| 1970 | assem_debug("ldrsh %s,fp+%d\n",regname[rt],offset); |
| 1971 | output_w32(0xe1d000f0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 1972 | } |
| 1973 | void emit_movzbl(int addr, int rt) |
| 1974 | { |
| 1975 | u_int offset = addr-(u_int)&dynarec_local; |
| 1976 | assert(offset<4096); |
| 1977 | assem_debug("ldrb %s,fp+%d\n",regname[rt],offset); |
| 1978 | output_w32(0xe5d00000|rd_rn_rm(rt,FP,0)|offset); |
| 1979 | } |
| 1980 | void emit_movzwl(int addr, int rt) |
| 1981 | { |
| 1982 | u_int offset = addr-(u_int)&dynarec_local; |
| 1983 | assert(offset<256); |
| 1984 | assem_debug("ldrh %s,fp+%d\n",regname[rt],offset); |
| 1985 | output_w32(0xe1d000b0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 1986 | } |
| 1987 | void emit_movzwl_reg(int rs, int rt) |
| 1988 | { |
| 1989 | assem_debug("movzwl %%%s,%%%s\n",regname[rs]+1,regname[rt]); |
| 1990 | assert(0); |
| 1991 | } |
| 1992 | |
| 1993 | void emit_xchg(int rs, int rt) |
| 1994 | { |
| 1995 | assem_debug("xchg %%%s,%%%s\n",regname[rs],regname[rt]); |
| 1996 | assert(0); |
| 1997 | } |
| 1998 | void emit_writeword_indexed(int rt, int offset, int rs) |
| 1999 | { |
| 2000 | assert(offset>-4096&&offset<4096); |
| 2001 | assem_debug("str %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 2002 | if(offset>=0) { |
| 2003 | output_w32(0xe5800000|rd_rn_rm(rt,rs,0)|offset); |
| 2004 | }else{ |
| 2005 | output_w32(0xe5000000|rd_rn_rm(rt,rs,0)|(-offset)); |
| 2006 | } |
| 2007 | } |
| 2008 | void emit_writeword_dualindexedx4(int rt, int rs1, int rs2) |
| 2009 | { |
| 2010 | assem_debug("str %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]); |
| 2011 | output_w32(0xe7800000|rd_rn_rm(rt,rs1,rs2)|0x100); |
| 2012 | } |
| 2013 | void emit_writeword_indexed_tlb(int rt, int addr, int rs, int map, int temp) |
| 2014 | { |
| 2015 | if(map<0) emit_writeword_indexed(rt, addr, rs); |
| 2016 | else { |
| 2017 | assert(addr==0); |
| 2018 | emit_writeword_dualindexedx4(rt, rs, map); |
| 2019 | } |
| 2020 | } |
| 2021 | void emit_writedword_indexed_tlb(int rh, int rl, int addr, int rs, int map, int temp) |
| 2022 | { |
| 2023 | if(map<0) { |
| 2024 | if(rh>=0) emit_writeword_indexed(rh, addr, rs); |
| 2025 | emit_writeword_indexed(rl, addr+4, rs); |
| 2026 | }else{ |
| 2027 | assert(rh>=0); |
| 2028 | if(temp!=rs) emit_addimm(map,1,temp); |
| 2029 | emit_writeword_indexed_tlb(rh, addr, rs, map, temp); |
| 2030 | if(temp!=rs) emit_writeword_indexed_tlb(rl, addr, rs, temp, temp); |
| 2031 | else { |
| 2032 | emit_addimm(rs,4,rs); |
| 2033 | emit_writeword_indexed_tlb(rl, addr, rs, map, temp); |
| 2034 | } |
| 2035 | } |
| 2036 | } |
| 2037 | void emit_writehword_indexed(int rt, int offset, int rs) |
| 2038 | { |
| 2039 | assert(offset>-256&&offset<256); |
| 2040 | assem_debug("strh %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 2041 | if(offset>=0) { |
| 2042 | output_w32(0xe1c000b0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 2043 | }else{ |
| 2044 | output_w32(0xe14000b0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
| 2045 | } |
| 2046 | } |
| 2047 | void emit_writebyte_indexed(int rt, int offset, int rs) |
| 2048 | { |
| 2049 | assert(offset>-4096&&offset<4096); |
| 2050 | assem_debug("strb %s,%s+%d\n",regname[rt],regname[rs],offset); |
| 2051 | if(offset>=0) { |
| 2052 | output_w32(0xe5c00000|rd_rn_rm(rt,rs,0)|offset); |
| 2053 | }else{ |
| 2054 | output_w32(0xe5400000|rd_rn_rm(rt,rs,0)|(-offset)); |
| 2055 | } |
| 2056 | } |
| 2057 | void emit_writebyte_dualindexedx4(int rt, int rs1, int rs2) |
| 2058 | { |
| 2059 | assem_debug("strb %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]); |
| 2060 | output_w32(0xe7c00000|rd_rn_rm(rt,rs1,rs2)|0x100); |
| 2061 | } |
| 2062 | void emit_writebyte_indexed_tlb(int rt, int addr, int rs, int map, int temp) |
| 2063 | { |
| 2064 | if(map<0) emit_writebyte_indexed(rt, addr, rs); |
| 2065 | else { |
| 2066 | if(addr==0) { |
| 2067 | emit_writebyte_dualindexedx4(rt, rs, map); |
| 2068 | }else{ |
| 2069 | emit_addimm(rs,addr,temp); |
| 2070 | emit_writebyte_dualindexedx4(rt, temp, map); |
| 2071 | } |
| 2072 | } |
| 2073 | } |
| b96d3df7 |
2074 | void emit_strcc_dualindexed(int rs1, int rs2, int rt) |
| 2075 | { |
| 2076 | assem_debug("strcc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 2077 | output_w32(0x37800000|rd_rn_rm(rt,rs1,rs2)); |
| 2078 | } |
| 2079 | void emit_strccb_dualindexed(int rs1, int rs2, int rt) |
| 2080 | { |
| 2081 | assem_debug("strccb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 2082 | output_w32(0x37c00000|rd_rn_rm(rt,rs1,rs2)); |
| 2083 | } |
| 2084 | void emit_strcch_dualindexed(int rs1, int rs2, int rt) |
| 2085 | { |
| 2086 | assem_debug("strcch %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 2087 | output_w32(0x318000b0|rd_rn_rm(rt,rs1,rs2)); |
| 2088 | } |
| 57871462 |
2089 | void emit_writeword(int rt, int addr) |
| 2090 | { |
| 2091 | u_int offset = addr-(u_int)&dynarec_local; |
| 2092 | assert(offset<4096); |
| 2093 | assem_debug("str %s,fp+%d\n",regname[rt],offset); |
| 2094 | output_w32(0xe5800000|rd_rn_rm(rt,FP,0)|offset); |
| 2095 | } |
| 2096 | void emit_writehword(int rt, int addr) |
| 2097 | { |
| 2098 | u_int offset = addr-(u_int)&dynarec_local; |
| 2099 | assert(offset<256); |
| 2100 | assem_debug("strh %s,fp+%d\n",regname[rt],offset); |
| 2101 | output_w32(0xe1c000b0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf)); |
| 2102 | } |
| 2103 | void emit_writebyte(int rt, int addr) |
| 2104 | { |
| 2105 | u_int offset = addr-(u_int)&dynarec_local; |
| 2106 | assert(offset<4096); |
| 74426039 |
2107 | assem_debug("strb %s,fp+%d\n",regname[rt],offset); |
| 57871462 |
2108 | output_w32(0xe5c00000|rd_rn_rm(rt,FP,0)|offset); |
| 2109 | } |
| 2110 | void emit_writeword_imm(int imm, int addr) |
| 2111 | { |
| 2112 | assem_debug("movl $%x,%x\n",imm,addr); |
| 2113 | assert(0); |
| 2114 | } |
| 2115 | void emit_writebyte_imm(int imm, int addr) |
| 2116 | { |
| 2117 | assem_debug("movb $%x,%x\n",imm,addr); |
| 2118 | assert(0); |
| 2119 | } |
| 2120 | |
| 2121 | void emit_mul(int rs) |
| 2122 | { |
| 2123 | assem_debug("mul %%%s\n",regname[rs]); |
| 2124 | assert(0); |
| 2125 | } |
| 2126 | void emit_imul(int rs) |
| 2127 | { |
| 2128 | assem_debug("imul %%%s\n",regname[rs]); |
| 2129 | assert(0); |
| 2130 | } |
| 2131 | void emit_umull(u_int rs1, u_int rs2, u_int hi, u_int lo) |
| 2132 | { |
| 2133 | assem_debug("umull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]); |
| 2134 | assert(rs1<16); |
| 2135 | assert(rs2<16); |
| 2136 | assert(hi<16); |
| 2137 | assert(lo<16); |
| 2138 | output_w32(0xe0800090|(hi<<16)|(lo<<12)|(rs2<<8)|rs1); |
| 2139 | } |
| 2140 | void emit_smull(u_int rs1, u_int rs2, u_int hi, u_int lo) |
| 2141 | { |
| 2142 | assem_debug("smull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]); |
| 2143 | assert(rs1<16); |
| 2144 | assert(rs2<16); |
| 2145 | assert(hi<16); |
| 2146 | assert(lo<16); |
| 2147 | output_w32(0xe0c00090|(hi<<16)|(lo<<12)|(rs2<<8)|rs1); |
| 2148 | } |
| 2149 | |
| 2150 | void emit_div(int rs) |
| 2151 | { |
| 2152 | assem_debug("div %%%s\n",regname[rs]); |
| 2153 | assert(0); |
| 2154 | } |
| 2155 | void emit_idiv(int rs) |
| 2156 | { |
| 2157 | assem_debug("idiv %%%s\n",regname[rs]); |
| 2158 | assert(0); |
| 2159 | } |
| 2160 | void emit_cdq() |
| 2161 | { |
| 2162 | assem_debug("cdq\n"); |
| 2163 | assert(0); |
| 2164 | } |
| 2165 | |
| 2166 | void emit_clz(int rs,int rt) |
| 2167 | { |
| 2168 | assem_debug("clz %s,%s\n",regname[rt],regname[rs]); |
| 2169 | output_w32(0xe16f0f10|rd_rn_rm(rt,0,rs)); |
| 2170 | } |
| 2171 | |
| 2172 | void emit_subcs(int rs1,int rs2,int rt) |
| 2173 | { |
| 2174 | assem_debug("subcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 2175 | output_w32(0x20400000|rd_rn_rm(rt,rs1,rs2)); |
| 2176 | } |
| 2177 | |
| 2178 | void emit_shrcc_imm(int rs,u_int imm,int rt) |
| 2179 | { |
| 2180 | assert(imm>0); |
| 2181 | assert(imm<32); |
| 2182 | assem_debug("lsrcc %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2183 | output_w32(0x31a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7)); |
| 2184 | } |
| 2185 | |
| b1be1eee |
2186 | void emit_shrne_imm(int rs,u_int imm,int rt) |
| 2187 | { |
| 2188 | assert(imm>0); |
| 2189 | assert(imm<32); |
| 2190 | assem_debug("lsrne %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2191 | output_w32(0x11a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7)); |
| 2192 | } |
| 2193 | |
| 57871462 |
2194 | void emit_negmi(int rs, int rt) |
| 2195 | { |
| 2196 | assem_debug("rsbmi %s,%s,#0\n",regname[rt],regname[rs]); |
| 2197 | output_w32(0x42600000|rd_rn_rm(rt,rs,0)); |
| 2198 | } |
| 2199 | |
| 2200 | void emit_negsmi(int rs, int rt) |
| 2201 | { |
| 2202 | assem_debug("rsbsmi %s,%s,#0\n",regname[rt],regname[rs]); |
| 2203 | output_w32(0x42700000|rd_rn_rm(rt,rs,0)); |
| 2204 | } |
| 2205 | |
| 2206 | void emit_orreq(u_int rs1,u_int rs2,u_int rt) |
| 2207 | { |
| 2208 | assem_debug("orreq %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 2209 | output_w32(0x01800000|rd_rn_rm(rt,rs1,rs2)); |
| 2210 | } |
| 2211 | |
| 2212 | void emit_orrne(u_int rs1,u_int rs2,u_int rt) |
| 2213 | { |
| 2214 | assem_debug("orrne %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
| 2215 | output_w32(0x11800000|rd_rn_rm(rt,rs1,rs2)); |
| 2216 | } |
| 2217 | |
| 2218 | void emit_bic_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| 2219 | { |
| 2220 | assem_debug("bic %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| 2221 | output_w32(0xe1C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8)); |
| 2222 | } |
| 2223 | |
| 2224 | void emit_biceq_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| 2225 | { |
| 2226 | assem_debug("biceq %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| 2227 | output_w32(0x01C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8)); |
| 2228 | } |
| 2229 | |
| 2230 | void emit_bicne_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| 2231 | { |
| 2232 | assem_debug("bicne %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| 2233 | output_w32(0x11C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8)); |
| 2234 | } |
| 2235 | |
| 2236 | void emit_bic_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| 2237 | { |
| 2238 | assem_debug("bic %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| 2239 | output_w32(0xe1C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8)); |
| 2240 | } |
| 2241 | |
| 2242 | void emit_biceq_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| 2243 | { |
| 2244 | assem_debug("biceq %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| 2245 | output_w32(0x01C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8)); |
| 2246 | } |
| 2247 | |
| 2248 | void emit_bicne_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt) |
| 2249 | { |
| 2250 | assem_debug("bicne %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
| 2251 | output_w32(0x11C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8)); |
| 2252 | } |
| 2253 | |
| 2254 | void emit_teq(int rs, int rt) |
| 2255 | { |
| 2256 | assem_debug("teq %s,%s\n",regname[rs],regname[rt]); |
| 2257 | output_w32(0xe1300000|rd_rn_rm(0,rs,rt)); |
| 2258 | } |
| 2259 | |
| 2260 | void emit_rsbimm(int rs, int imm, int rt) |
| 2261 | { |
| 2262 | u_int armval; |
| cfbd3c6e |
2263 | genimm_checked(imm,&armval); |
| 57871462 |
2264 | assem_debug("rsb %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2265 | output_w32(0xe2600000|rd_rn_rm(rt,rs,0)|armval); |
| 2266 | } |
| 2267 | |
| 2268 | // Load 2 immediates optimizing for small code size |
| 2269 | void emit_mov2imm_compact(int imm1,u_int rt1,int imm2,u_int rt2) |
| 2270 | { |
| 2271 | emit_movimm(imm1,rt1); |
| 2272 | u_int armval; |
| 2273 | if(genimm(imm2-imm1,&armval)) { |
| 2274 | assem_debug("add %s,%s,#%d\n",regname[rt2],regname[rt1],imm2-imm1); |
| 2275 | output_w32(0xe2800000|rd_rn_rm(rt2,rt1,0)|armval); |
| 2276 | }else if(genimm(imm1-imm2,&armval)) { |
| 2277 | assem_debug("sub %s,%s,#%d\n",regname[rt2],regname[rt1],imm1-imm2); |
| 2278 | output_w32(0xe2400000|rd_rn_rm(rt2,rt1,0)|armval); |
| 2279 | } |
| 2280 | else emit_movimm(imm2,rt2); |
| 2281 | } |
| 2282 | |
| 2283 | // Conditionally select one of two immediates, optimizing for small code size |
| 2284 | // This will only be called if HAVE_CMOV_IMM is defined |
| 2285 | void emit_cmov2imm_e_ne_compact(int imm1,int imm2,u_int rt) |
| 2286 | { |
| 2287 | u_int armval; |
| 2288 | if(genimm(imm2-imm1,&armval)) { |
| 2289 | emit_movimm(imm1,rt); |
| 2290 | assem_debug("addne %s,%s,#%d\n",regname[rt],regname[rt],imm2-imm1); |
| 2291 | output_w32(0x12800000|rd_rn_rm(rt,rt,0)|armval); |
| 2292 | }else if(genimm(imm1-imm2,&armval)) { |
| 2293 | emit_movimm(imm1,rt); |
| 2294 | assem_debug("subne %s,%s,#%d\n",regname[rt],regname[rt],imm1-imm2); |
| 2295 | output_w32(0x12400000|rd_rn_rm(rt,rt,0)|armval); |
| 2296 | } |
| 2297 | else { |
| 2298 | #ifdef ARMv5_ONLY |
| 2299 | emit_movimm(imm1,rt); |
| 2300 | add_literal((int)out,imm2); |
| 2301 | assem_debug("ldrne %s,pc+? [=%x]\n",regname[rt],imm2); |
| 2302 | output_w32(0x15900000|rd_rn_rm(rt,15,0)); |
| 2303 | #else |
| 2304 | emit_movw(imm1&0x0000FFFF,rt); |
| 2305 | if((imm1&0xFFFF)!=(imm2&0xFFFF)) { |
| 2306 | assem_debug("movwne %s,#%d (0x%x)\n",regname[rt],imm2&0xFFFF,imm2&0xFFFF); |
| 2307 | output_w32(0x13000000|rd_rn_rm(rt,0,0)|(imm2&0xfff)|((imm2<<4)&0xf0000)); |
| 2308 | } |
| 2309 | emit_movt(imm1&0xFFFF0000,rt); |
| 2310 | if((imm1&0xFFFF0000)!=(imm2&0xFFFF0000)) { |
| 2311 | assem_debug("movtne %s,#%d (0x%x)\n",regname[rt],imm2&0xffff0000,imm2&0xffff0000); |
| 2312 | output_w32(0x13400000|rd_rn_rm(rt,0,0)|((imm2>>16)&0xfff)|((imm2>>12)&0xf0000)); |
| 2313 | } |
| 2314 | #endif |
| 2315 | } |
| 2316 | } |
| 2317 | |
| 2318 | // special case for checking invalid_code |
| 2319 | void emit_cmpmem_indexedsr12_imm(int addr,int r,int imm) |
| 2320 | { |
| 2321 | assert(0); |
| 2322 | } |
| 2323 | |
| 2324 | // special case for checking invalid_code |
| 2325 | void emit_cmpmem_indexedsr12_reg(int base,int r,int imm) |
| 2326 | { |
| 2327 | assert(imm<128&&imm>=0); |
| 2328 | assert(r>=0&&r<16); |
| 2329 | assem_debug("ldrb lr,%s,%s lsr #12\n",regname[base],regname[r]); |
| 2330 | output_w32(0xe7d00000|rd_rn_rm(HOST_TEMPREG,base,r)|0x620); |
| 2331 | emit_cmpimm(HOST_TEMPREG,imm); |
| 2332 | } |
| 2333 | |
| 2334 | // special case for tlb mapping |
| 2335 | void emit_addsr12(int rs1,int rs2,int rt) |
| 2336 | { |
| 2337 | assem_debug("add %s,%s,%s lsr #12\n",regname[rt],regname[rs1],regname[rs2]); |
| 2338 | output_w32(0xe0800620|rd_rn_rm(rt,rs1,rs2)); |
| 2339 | } |
| 2340 | |
| 0bbd1454 |
2341 | void emit_callne(int a) |
| 2342 | { |
| 2343 | assem_debug("blne %x\n",a); |
| 2344 | u_int offset=genjmp(a); |
| 2345 | output_w32(0x1b000000|offset); |
| 2346 | } |
| 2347 | |
| 57871462 |
2348 | // Used to preload hash table entries |
| 2349 | void emit_prefetch(void *addr) |
| 2350 | { |
| 2351 | assem_debug("prefetch %x\n",(int)addr); |
| 2352 | output_byte(0x0F); |
| 2353 | output_byte(0x18); |
| 2354 | output_modrm(0,5,1); |
| 2355 | output_w32((int)addr); |
| 2356 | } |
| 2357 | void emit_prefetchreg(int r) |
| 2358 | { |
| 2359 | assem_debug("pld %s\n",regname[r]); |
| 2360 | output_w32(0xf5d0f000|rd_rn_rm(0,r,0)); |
| 2361 | } |
| 2362 | |
| 2363 | // Special case for mini_ht |
| 2364 | void emit_ldreq_indexed(int rs, u_int offset, int rt) |
| 2365 | { |
| 2366 | assert(offset<4096); |
| 2367 | assem_debug("ldreq %s,[%s, #%d]\n",regname[rt],regname[rs],offset); |
| 2368 | output_w32(0x05900000|rd_rn_rm(rt,rs,0)|offset); |
| 2369 | } |
| 2370 | |
| 2371 | void emit_flds(int r,int sr) |
| 2372 | { |
| 2373 | assem_debug("flds s%d,[%s]\n",sr,regname[r]); |
| 2374 | output_w32(0xed900a00|((sr&14)<<11)|((sr&1)<<22)|(r<<16)); |
| 2375 | } |
| 2376 | |
| 2377 | void emit_vldr(int r,int vr) |
| 2378 | { |
| 2379 | assem_debug("vldr d%d,[%s]\n",vr,regname[r]); |
| 2380 | output_w32(0xed900b00|(vr<<12)|(r<<16)); |
| 2381 | } |
| 2382 | |
| 2383 | void emit_fsts(int sr,int r) |
| 2384 | { |
| 2385 | assem_debug("fsts s%d,[%s]\n",sr,regname[r]); |
| 2386 | output_w32(0xed800a00|((sr&14)<<11)|((sr&1)<<22)|(r<<16)); |
| 2387 | } |
| 2388 | |
| 2389 | void emit_vstr(int vr,int r) |
| 2390 | { |
| 2391 | assem_debug("vstr d%d,[%s]\n",vr,regname[r]); |
| 2392 | output_w32(0xed800b00|(vr<<12)|(r<<16)); |
| 2393 | } |
| 2394 | |
| 2395 | void emit_ftosizs(int s,int d) |
| 2396 | { |
| 2397 | assem_debug("ftosizs s%d,s%d\n",d,s); |
| 2398 | output_w32(0xeebd0ac0|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5)); |
| 2399 | } |
| 2400 | |
| 2401 | void emit_ftosizd(int s,int d) |
| 2402 | { |
| 2403 | assem_debug("ftosizd s%d,d%d\n",d,s); |
| 2404 | output_w32(0xeebd0bc0|((d&14)<<11)|((d&1)<<22)|(s&7)); |
| 2405 | } |
| 2406 | |
| 2407 | void emit_fsitos(int s,int d) |
| 2408 | { |
| 2409 | assem_debug("fsitos s%d,s%d\n",d,s); |
| 2410 | output_w32(0xeeb80ac0|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5)); |
| 2411 | } |
| 2412 | |
| 2413 | void emit_fsitod(int s,int d) |
| 2414 | { |
| 2415 | assem_debug("fsitod d%d,s%d\n",d,s); |
| 2416 | output_w32(0xeeb80bc0|((d&7)<<12)|((s&14)>>1)|((s&1)<<5)); |
| 2417 | } |
| 2418 | |
| 2419 | void emit_fcvtds(int s,int d) |
| 2420 | { |
| 2421 | assem_debug("fcvtds d%d,s%d\n",d,s); |
| 2422 | output_w32(0xeeb70ac0|((d&7)<<12)|((s&14)>>1)|((s&1)<<5)); |
| 2423 | } |
| 2424 | |
| 2425 | void emit_fcvtsd(int s,int d) |
| 2426 | { |
| 2427 | assem_debug("fcvtsd s%d,d%d\n",d,s); |
| 2428 | output_w32(0xeeb70bc0|((d&14)<<11)|((d&1)<<22)|(s&7)); |
| 2429 | } |
| 2430 | |
| 2431 | void emit_fsqrts(int s,int d) |
| 2432 | { |
| 2433 | assem_debug("fsqrts d%d,s%d\n",d,s); |
| 2434 | output_w32(0xeeb10ac0|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5)); |
| 2435 | } |
| 2436 | |
| 2437 | void emit_fsqrtd(int s,int d) |
| 2438 | { |
| 2439 | assem_debug("fsqrtd s%d,d%d\n",d,s); |
| 2440 | output_w32(0xeeb10bc0|((d&7)<<12)|(s&7)); |
| 2441 | } |
| 2442 | |
| 2443 | void emit_fabss(int s,int d) |
| 2444 | { |
| 2445 | assem_debug("fabss d%d,s%d\n",d,s); |
| 2446 | output_w32(0xeeb00ac0|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5)); |
| 2447 | } |
| 2448 | |
| 2449 | void emit_fabsd(int s,int d) |
| 2450 | { |
| 2451 | assem_debug("fabsd s%d,d%d\n",d,s); |
| 2452 | output_w32(0xeeb00bc0|((d&7)<<12)|(s&7)); |
| 2453 | } |
| 2454 | |
| 2455 | void emit_fnegs(int s,int d) |
| 2456 | { |
| 2457 | assem_debug("fnegs d%d,s%d\n",d,s); |
| 2458 | output_w32(0xeeb10a40|((d&14)<<11)|((d&1)<<22)|((s&14)>>1)|((s&1)<<5)); |
| 2459 | } |
| 2460 | |
| 2461 | void emit_fnegd(int s,int d) |
| 2462 | { |
| 2463 | assem_debug("fnegd s%d,d%d\n",d,s); |
| 2464 | output_w32(0xeeb10b40|((d&7)<<12)|(s&7)); |
| 2465 | } |
| 2466 | |
| 2467 | void emit_fadds(int s1,int s2,int d) |
| 2468 | { |
| 2469 | assem_debug("fadds s%d,s%d,s%d\n",d,s1,s2); |
| 2470 | output_w32(0xee300a00|((d&14)<<11)|((d&1)<<22)|((s1&14)<<15)|((s1&1)<<7)|((s2&14)>>1)|((s2&1)<<5)); |
| 2471 | } |
| 2472 | |
| 2473 | void emit_faddd(int s1,int s2,int d) |
| 2474 | { |
| 2475 | assem_debug("faddd d%d,d%d,d%d\n",d,s1,s2); |
| 2476 | output_w32(0xee300b00|((d&7)<<12)|((s1&7)<<16)|(s2&7)); |
| 2477 | } |
| 2478 | |
| 2479 | void emit_fsubs(int s1,int s2,int d) |
| 2480 | { |
| 2481 | assem_debug("fsubs s%d,s%d,s%d\n",d,s1,s2); |
| 2482 | output_w32(0xee300a40|((d&14)<<11)|((d&1)<<22)|((s1&14)<<15)|((s1&1)<<7)|((s2&14)>>1)|((s2&1)<<5)); |
| 2483 | } |
| 2484 | |
| 2485 | void emit_fsubd(int s1,int s2,int d) |
| 2486 | { |
| 2487 | assem_debug("fsubd d%d,d%d,d%d\n",d,s1,s2); |
| 2488 | output_w32(0xee300b40|((d&7)<<12)|((s1&7)<<16)|(s2&7)); |
| 2489 | } |
| 2490 | |
| 2491 | void emit_fmuls(int s1,int s2,int d) |
| 2492 | { |
| 2493 | assem_debug("fmuls s%d,s%d,s%d\n",d,s1,s2); |
| 2494 | output_w32(0xee200a00|((d&14)<<11)|((d&1)<<22)|((s1&14)<<15)|((s1&1)<<7)|((s2&14)>>1)|((s2&1)<<5)); |
| 2495 | } |
| 2496 | |
| 2497 | void emit_fmuld(int s1,int s2,int d) |
| 2498 | { |
| 2499 | assem_debug("fmuld d%d,d%d,d%d\n",d,s1,s2); |
| 2500 | output_w32(0xee200b00|((d&7)<<12)|((s1&7)<<16)|(s2&7)); |
| 2501 | } |
| 2502 | |
| 2503 | void emit_fdivs(int s1,int s2,int d) |
| 2504 | { |
| 2505 | assem_debug("fdivs s%d,s%d,s%d\n",d,s1,s2); |
| 2506 | output_w32(0xee800a00|((d&14)<<11)|((d&1)<<22)|((s1&14)<<15)|((s1&1)<<7)|((s2&14)>>1)|((s2&1)<<5)); |
| 2507 | } |
| 2508 | |
| 2509 | void emit_fdivd(int s1,int s2,int d) |
| 2510 | { |
| 2511 | assem_debug("fdivd d%d,d%d,d%d\n",d,s1,s2); |
| 2512 | output_w32(0xee800b00|((d&7)<<12)|((s1&7)<<16)|(s2&7)); |
| 2513 | } |
| 2514 | |
| 2515 | void emit_fcmps(int x,int y) |
| 2516 | { |
| 2517 | assem_debug("fcmps s14, s15\n"); |
| 2518 | output_w32(0xeeb47a67); |
| 2519 | } |
| 2520 | |
| 2521 | void emit_fcmpd(int x,int y) |
| 2522 | { |
| 2523 | assem_debug("fcmpd d6, d7\n"); |
| 2524 | output_w32(0xeeb46b47); |
| 2525 | } |
| 2526 | |
| 2527 | void emit_fmstat() |
| 2528 | { |
| 2529 | assem_debug("fmstat\n"); |
| 2530 | output_w32(0xeef1fa10); |
| 2531 | } |
| 2532 | |
| 2533 | void emit_bicne_imm(int rs,int imm,int rt) |
| 2534 | { |
| 2535 | u_int armval; |
| cfbd3c6e |
2536 | genimm_checked(imm,&armval); |
| 57871462 |
2537 | assem_debug("bicne %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2538 | output_w32(0x13c00000|rd_rn_rm(rt,rs,0)|armval); |
| 2539 | } |
| 2540 | |
| 2541 | void emit_biccs_imm(int rs,int imm,int rt) |
| 2542 | { |
| 2543 | u_int armval; |
| cfbd3c6e |
2544 | genimm_checked(imm,&armval); |
| 57871462 |
2545 | assem_debug("biccs %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2546 | output_w32(0x23c00000|rd_rn_rm(rt,rs,0)|armval); |
| 2547 | } |
| 2548 | |
| 2549 | void emit_bicvc_imm(int rs,int imm,int rt) |
| 2550 | { |
| 2551 | u_int armval; |
| cfbd3c6e |
2552 | genimm_checked(imm,&armval); |
| 57871462 |
2553 | assem_debug("bicvc %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2554 | output_w32(0x73c00000|rd_rn_rm(rt,rs,0)|armval); |
| 2555 | } |
| 2556 | |
| 2557 | void emit_bichi_imm(int rs,int imm,int rt) |
| 2558 | { |
| 2559 | u_int armval; |
| cfbd3c6e |
2560 | genimm_checked(imm,&armval); |
| 57871462 |
2561 | assem_debug("bichi %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2562 | output_w32(0x83c00000|rd_rn_rm(rt,rs,0)|armval); |
| 2563 | } |
| 2564 | |
| 2565 | void emit_orrvs_imm(int rs,int imm,int rt) |
| 2566 | { |
| 2567 | u_int armval; |
| cfbd3c6e |
2568 | genimm_checked(imm,&armval); |
| 57871462 |
2569 | assem_debug("orrvs %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2570 | output_w32(0x63800000|rd_rn_rm(rt,rs,0)|armval); |
| 2571 | } |
| 2572 | |
| b9b61529 |
2573 | void emit_orrne_imm(int rs,int imm,int rt) |
| 2574 | { |
| 2575 | u_int armval; |
| cfbd3c6e |
2576 | genimm_checked(imm,&armval); |
| b9b61529 |
2577 | assem_debug("orrne %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2578 | output_w32(0x13800000|rd_rn_rm(rt,rs,0)|armval); |
| 2579 | } |
| 2580 | |
| 2581 | void emit_andne_imm(int rs,int imm,int rt) |
| 2582 | { |
| 2583 | u_int armval; |
| cfbd3c6e |
2584 | genimm_checked(imm,&armval); |
| b9b61529 |
2585 | assem_debug("andne %s,%s,#%d\n",regname[rt],regname[rs],imm); |
| 2586 | output_w32(0x12000000|rd_rn_rm(rt,rs,0)|armval); |
| 2587 | } |
| 2588 | |
| 57871462 |
2589 | void emit_jno_unlikely(int a) |
| 2590 | { |
| 2591 | //emit_jno(a); |
| 2592 | assem_debug("addvc pc,pc,#? (%x)\n",/*a-(int)out-8,*/a); |
| 2593 | output_w32(0x72800000|rd_rn_rm(15,15,0)); |
| 2594 | } |
| 2595 | |
| 054175e9 |
2596 | static void save_regs_all(u_int reglist) |
| 57871462 |
2597 | { |
| 054175e9 |
2598 | int i; |
| 57871462 |
2599 | if(!reglist) return; |
| 2600 | assem_debug("stmia fp,{"); |
| 054175e9 |
2601 | for(i=0;i<16;i++) |
| 2602 | if(reglist&(1<<i)) |
| 2603 | assem_debug("r%d,",i); |
| 57871462 |
2604 | assem_debug("}\n"); |
| 2605 | output_w32(0xe88b0000|reglist); |
| 2606 | } |
| 054175e9 |
2607 | static void restore_regs_all(u_int reglist) |
| 57871462 |
2608 | { |
| 054175e9 |
2609 | int i; |
| 57871462 |
2610 | if(!reglist) return; |
| 2611 | assem_debug("ldmia fp,{"); |
| 054175e9 |
2612 | for(i=0;i<16;i++) |
| 2613 | if(reglist&(1<<i)) |
| 2614 | assem_debug("r%d,",i); |
| 57871462 |
2615 | assem_debug("}\n"); |
| 2616 | output_w32(0xe89b0000|reglist); |
| 2617 | } |
| 054175e9 |
2618 | // Save registers before function call |
| 2619 | static void save_regs(u_int reglist) |
| 2620 | { |
| 2621 | reglist&=0x100f; // only save the caller-save registers, r0-r3, r12 |
| 2622 | save_regs_all(reglist); |
| 2623 | } |
| 2624 | // Restore registers after function call |
| 2625 | static void restore_regs(u_int reglist) |
| 2626 | { |
| 2627 | reglist&=0x100f; // only restore the caller-save registers, r0-r3, r12 |
| 2628 | restore_regs_all(reglist); |
| 2629 | } |
| 57871462 |
2630 | |
| 2631 | // Write back consts using r14 so we don't disturb the other registers |
| 2632 | void wb_consts(signed char i_regmap[],uint64_t i_is32,u_int i_dirty,int i) |
| 2633 | { |
| 2634 | int hr; |
| 2635 | for(hr=0;hr<HOST_REGS;hr++) { |
| 2636 | if(hr!=EXCLUDE_REG&&i_regmap[hr]>=0&&((i_dirty>>hr)&1)) { |
| 2637 | if(((regs[i].isconst>>hr)&1)&&i_regmap[hr]>0) { |
| 2638 | if(i_regmap[hr]<64 || !((i_is32>>(i_regmap[hr]&63))&1) ) { |
| 2639 | int value=constmap[i][hr]; |
| 2640 | if(value==0) { |
| 2641 | emit_zeroreg(HOST_TEMPREG); |
| 2642 | } |
| 2643 | else { |
| 2644 | emit_movimm(value,HOST_TEMPREG); |
| 2645 | } |
| 2646 | emit_storereg(i_regmap[hr],HOST_TEMPREG); |
| 24385cae |
2647 | #ifndef FORCE32 |
| 57871462 |
2648 | if((i_is32>>i_regmap[hr])&1) { |
| 2649 | if(value!=-1&&value!=0) emit_sarimm(HOST_TEMPREG,31,HOST_TEMPREG); |
| 2650 | emit_storereg(i_regmap[hr]|64,HOST_TEMPREG); |
| 2651 | } |
| 24385cae |
2652 | #endif |
| 57871462 |
2653 | } |
| 2654 | } |
| 2655 | } |
| 2656 | } |
| 2657 | } |
| 2658 | |
| 2659 | /* Stubs/epilogue */ |
| 2660 | |
| 2661 | void literal_pool(int n) |
| 2662 | { |
| 2663 | if(!literalcount) return; |
| 2664 | if(n) { |
| 2665 | if((int)out-literals[0][0]<4096-n) return; |
| 2666 | } |
| 2667 | u_int *ptr; |
| 2668 | int i; |
| 2669 | for(i=0;i<literalcount;i++) |
| 2670 | { |
| 77750690 |
2671 | u_int l_addr=(u_int)out; |
| 2672 | int j; |
| 2673 | for(j=0;j<i;j++) { |
| 2674 | if(literals[j][1]==literals[i][1]) { |
| 2675 | //printf("dup %08x\n",literals[i][1]); |
| 2676 | l_addr=literals[j][0]; |
| 2677 | break; |
| 2678 | } |
| 2679 | } |
| 57871462 |
2680 | ptr=(u_int *)literals[i][0]; |
| 77750690 |
2681 | u_int offset=l_addr-(u_int)ptr-8; |
| 57871462 |
2682 | assert(offset<4096); |
| 2683 | assert(!(offset&3)); |
| 2684 | *ptr|=offset; |
| 77750690 |
2685 | if(l_addr==(u_int)out) { |
| 2686 | literals[i][0]=l_addr; // remember for dupes |
| 2687 | output_w32(literals[i][1]); |
| 2688 | } |
| 57871462 |
2689 | } |
| 2690 | literalcount=0; |
| 2691 | } |
| 2692 | |
| 2693 | void literal_pool_jumpover(int n) |
| 2694 | { |
| 2695 | if(!literalcount) return; |
| 2696 | if(n) { |
| 2697 | if((int)out-literals[0][0]<4096-n) return; |
| 2698 | } |
| 2699 | int jaddr=(int)out; |
| 2700 | emit_jmp(0); |
| 2701 | literal_pool(0); |
| 2702 | set_jump_target(jaddr,(int)out); |
| 2703 | } |
| 2704 | |
| c67af2ac |
2705 | emit_extjump2(u_int addr, int target, int linker) |
| 57871462 |
2706 | { |
| 2707 | u_char *ptr=(u_char *)addr; |
| 2708 | assert((ptr[3]&0x0e)==0xa); |
| 2709 | emit_loadlp(target,0); |
| 2710 | emit_loadlp(addr,1); |
| 24385cae |
2711 | assert(addr>=BASE_ADDR&&addr<(BASE_ADDR+(1<<TARGET_SIZE_2))); |
| 57871462 |
2712 | //assert((target>=0x80000000&&target<0x80800000)||(target>0xA4000000&&target<0xA4001000)); |
| 2713 | //DEBUG > |
| 2714 | #ifdef DEBUG_CYCLE_COUNT |
| 2715 | emit_readword((int)&last_count,ECX); |
| 2716 | emit_add(HOST_CCREG,ECX,HOST_CCREG); |
| 2717 | emit_readword((int)&next_interupt,ECX); |
| 2718 | emit_writeword(HOST_CCREG,(int)&Count); |
| 2719 | emit_sub(HOST_CCREG,ECX,HOST_CCREG); |
| 2720 | emit_writeword(ECX,(int)&last_count); |
| 2721 | #endif |
| 2722 | //DEBUG < |
| 2723 | emit_jmp(linker); |
| 2724 | } |
| 2725 | |
| 2726 | emit_extjump(int addr, int target) |
| 2727 | { |
| 2728 | emit_extjump2(addr, target, (int)dyna_linker); |
| 2729 | } |
| 2730 | emit_extjump_ds(int addr, int target) |
| 2731 | { |
| 2732 | emit_extjump2(addr, target, (int)dyna_linker_ds); |
| 2733 | } |
| 2734 | |
| 13e35c04 |
2735 | // put rt_val into rt, potentially making use of rs with value rs_val |
| 2736 | static void emit_movimm_from(u_int rs_val,int rs,u_int rt_val,int rt) |
| 2737 | { |
| 8575a877 |
2738 | u_int armval; |
| 2739 | int diff; |
| 2740 | if(genimm(rt_val,&armval)) { |
| 2741 | assem_debug("mov %s,#%d\n",regname[rt],rt_val); |
| 2742 | output_w32(0xe3a00000|rd_rn_rm(rt,0,0)|armval); |
| 2743 | return; |
| 2744 | } |
| 2745 | if(genimm(~rt_val,&armval)) { |
| 2746 | assem_debug("mvn %s,#%d\n",regname[rt],rt_val); |
| 2747 | output_w32(0xe3e00000|rd_rn_rm(rt,0,0)|armval); |
| 2748 | return; |
| 2749 | } |
| 2750 | diff=rt_val-rs_val; |
| 2751 | if(genimm(diff,&armval)) { |
| 2752 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rs],diff); |
| 2753 | output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval); |
| 2754 | return; |
| 2755 | }else if(genimm(-diff,&armval)) { |
| 2756 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],-diff); |
| 2757 | output_w32(0xe2400000|rd_rn_rm(rt,rs,0)|armval); |
| 2758 | return; |
| 2759 | } |
| 2760 | emit_movimm(rt_val,rt); |
| 2761 | } |
| 2762 | |
| 2763 | // return 1 if above function can do it's job cheaply |
| 2764 | static int is_similar_value(u_int v1,u_int v2) |
| 2765 | { |
| 13e35c04 |
2766 | u_int xs; |
| 8575a877 |
2767 | int diff; |
| 2768 | if(v1==v2) return 1; |
| 2769 | diff=v2-v1; |
| 2770 | for(xs=diff;xs!=0&&(xs&3)==0;xs>>=2) |
| 13e35c04 |
2771 | ; |
| 8575a877 |
2772 | if(xs<0x100) return 1; |
| 2773 | for(xs=-diff;xs!=0&&(xs&3)==0;xs>>=2) |
| 2774 | ; |
| 2775 | if(xs<0x100) return 1; |
| 2776 | return 0; |
| 13e35c04 |
2777 | } |
| cbbab9cd |
2778 | |
| b96d3df7 |
2779 | // trashes r2 |
| 2780 | static void pass_args(int a0, int a1) |
| 2781 | { |
| 2782 | if(a0==1&&a1==0) { |
| 2783 | // must swap |
| 2784 | emit_mov(a0,2); emit_mov(a1,1); emit_mov(2,0); |
| 2785 | } |
| 2786 | else if(a0!=0&&a1==0) { |
| 2787 | emit_mov(a1,1); |
| 2788 | if (a0>=0) emit_mov(a0,0); |
| 2789 | } |
| 2790 | else { |
| 2791 | if(a0>=0&&a0!=0) emit_mov(a0,0); |
| 2792 | if(a1>=0&&a1!=1) emit_mov(a1,1); |
| 2793 | } |
| 2794 | } |
| 2795 | |
| b1be1eee |
2796 | static void mov_loadtype_adj(int type,int rs,int rt) |
| 2797 | { |
| 2798 | switch(type) { |
| 2799 | case LOADB_STUB: emit_signextend8(rs,rt); break; |
| 2800 | case LOADBU_STUB: emit_andimm(rs,0xff,rt); break; |
| 2801 | case LOADH_STUB: emit_signextend16(rs,rt); break; |
| 2802 | case LOADHU_STUB: emit_andimm(rs,0xffff,rt); break; |
| 2803 | case LOADW_STUB: if(rs!=rt) emit_mov(rs,rt); break; |
| 2804 | default: assert(0); |
| 2805 | } |
| 2806 | } |
| 2807 | |
| 2808 | #ifdef PCSX |
| 2809 | #include "pcsxmem.h" |
| 2810 | #include "pcsxmem_inline.c" |
| 2811 | #endif |
| 2812 | |
| 57871462 |
2813 | do_readstub(int n) |
| 2814 | { |
| 2815 | assem_debug("do_readstub %x\n",start+stubs[n][3]*4); |
| 2816 | literal_pool(256); |
| 2817 | set_jump_target(stubs[n][1],(int)out); |
| 2818 | int type=stubs[n][0]; |
| 2819 | int i=stubs[n][3]; |
| 2820 | int rs=stubs[n][4]; |
| 2821 | struct regstat *i_regs=(struct regstat *)stubs[n][5]; |
| 2822 | u_int reglist=stubs[n][7]; |
| 2823 | signed char *i_regmap=i_regs->regmap; |
| 2824 | int addr=get_reg(i_regmap,AGEN1+(i&1)); |
| 2825 | int rth,rt; |
| 2826 | int ds; |
| b9b61529 |
2827 | if(itype[i]==C1LS||itype[i]==C2LS||itype[i]==LOADLR) { |
| 57871462 |
2828 | rth=get_reg(i_regmap,FTEMP|64); |
| 2829 | rt=get_reg(i_regmap,FTEMP); |
| 2830 | }else{ |
| 2831 | rth=get_reg(i_regmap,rt1[i]|64); |
| 2832 | rt=get_reg(i_regmap,rt1[i]); |
| 2833 | } |
| 2834 | assert(rs>=0); |
| c6c3b1b3 |
2835 | #ifdef PCSX |
| 2836 | int r,temp=-1,temp2=HOST_TEMPREG,regs_saved=0,restore_jump=0; |
| 2837 | reglist|=(1<<rs); |
| 2838 | for(r=0;r<=12;r++) { |
| 2839 | if(((1<<r)&0x13ff)&&((1<<r)®list)==0) { |
| 2840 | temp=r; break; |
| 2841 | } |
| 2842 | } |
| db829eeb |
2843 | if(rt>=0&&rt1[i]!=0) |
| c6c3b1b3 |
2844 | reglist&=~(1<<rt); |
| 2845 | if(temp==-1) { |
| 2846 | save_regs(reglist); |
| 2847 | regs_saved=1; |
| 2848 | temp=(rs==0)?2:0; |
| 2849 | } |
| 2850 | if((regs_saved||(reglist&2)==0)&&temp!=1&&rs!=1) |
| 2851 | temp2=1; |
| 2852 | emit_readword((int)&mem_rtab,temp); |
| 2853 | emit_shrimm(rs,12,temp2); |
| 2854 | emit_readword_dualindexedx4(temp,temp2,temp2); |
| 2855 | emit_lsls_imm(temp2,1,temp2); |
| 2856 | if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) { |
| 2857 | switch(type) { |
| 2858 | case LOADB_STUB: emit_ldrccsb_dualindexed(temp2,rs,rt); break; |
| 2859 | case LOADBU_STUB: emit_ldrccb_dualindexed(temp2,rs,rt); break; |
| 2860 | case LOADH_STUB: emit_ldrccsh_dualindexed(temp2,rs,rt); break; |
| 2861 | case LOADHU_STUB: emit_ldrcch_dualindexed(temp2,rs,rt); break; |
| 2862 | case LOADW_STUB: emit_ldrcc_dualindexed(temp2,rs,rt); break; |
| 2863 | } |
| 2864 | } |
| 2865 | if(regs_saved) { |
| 2866 | restore_jump=(int)out; |
| 2867 | emit_jcc(0); // jump to reg restore |
| 2868 | } |
| 2869 | else |
| 2870 | emit_jcc(stubs[n][2]); // return address |
| 2871 | |
| 2872 | if(!regs_saved) |
| 2873 | save_regs(reglist); |
| 2874 | int handler=0; |
| 2875 | if(type==LOADB_STUB||type==LOADBU_STUB) |
| 2876 | handler=(int)jump_handler_read8; |
| 2877 | if(type==LOADH_STUB||type==LOADHU_STUB) |
| 2878 | handler=(int)jump_handler_read16; |
| 2879 | if(type==LOADW_STUB) |
| 2880 | handler=(int)jump_handler_read32; |
| 2881 | assert(handler!=0); |
| b96d3df7 |
2882 | pass_args(rs,temp2); |
| c6c3b1b3 |
2883 | int cc=get_reg(i_regmap,CCREG); |
| 2884 | if(cc<0) |
| 2885 | emit_loadreg(CCREG,2); |
| 2573466a |
2886 | emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n][6]+1),2); |
| c6c3b1b3 |
2887 | emit_call(handler); |
| 2888 | if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) { |
| b1be1eee |
2889 | mov_loadtype_adj(type,0,rt); |
| c6c3b1b3 |
2890 | } |
| 2891 | if(restore_jump) |
| 2892 | set_jump_target(restore_jump,(int)out); |
| 2893 | restore_regs(reglist); |
| 2894 | emit_jmp(stubs[n][2]); // return address |
| 2895 | #else // !PCSX |
| 57871462 |
2896 | if(addr<0) addr=rt; |
| 535d208a |
2897 | if(addr<0&&itype[i]!=C1LS&&itype[i]!=C2LS&&itype[i]!=LOADLR) addr=get_reg(i_regmap,-1); |
| 57871462 |
2898 | assert(addr>=0); |
| 2899 | int ftable=0; |
| 2900 | if(type==LOADB_STUB||type==LOADBU_STUB) |
| 2901 | ftable=(int)readmemb; |
| 2902 | if(type==LOADH_STUB||type==LOADHU_STUB) |
| 2903 | ftable=(int)readmemh; |
| 2904 | if(type==LOADW_STUB) |
| 2905 | ftable=(int)readmem; |
| 24385cae |
2906 | #ifndef FORCE32 |
| 57871462 |
2907 | if(type==LOADD_STUB) |
| 2908 | ftable=(int)readmemd; |
| 24385cae |
2909 | #endif |
| 2910 | assert(ftable!=0); |
| 57871462 |
2911 | emit_writeword(rs,(int)&address); |
| 2912 | //emit_pusha(); |
| 2913 | save_regs(reglist); |
| 97a238a6 |
2914 | #ifndef PCSX |
| 57871462 |
2915 | ds=i_regs!=®s[i]; |
| 2916 | int real_rs=(itype[i]==LOADLR)?-1:get_reg(i_regmap,rs1[i]); |
| 2917 | u_int cmask=ds?-1:(0x100f|~i_regs->wasconst); |
| 2918 | if(!ds) load_all_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))&0x100f,i); |
| 2919 | wb_dirtys(i_regs->regmap_entry,i_regs->was32,i_regs->wasdirty&cmask&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))); |
| 2920 | if(!ds) wb_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))&~0x100f,i); |
| 97a238a6 |
2921 | #endif |
| 57871462 |
2922 | emit_shrimm(rs,16,1); |
| 2923 | int cc=get_reg(i_regmap,CCREG); |
| 2924 | if(cc<0) { |
| 2925 | emit_loadreg(CCREG,2); |
| 2926 | } |
| 2927 | emit_movimm(ftable,0); |
| 2928 | emit_addimm(cc<0?2:cc,2*stubs[n][6]+2,2); |
| f51dc36c |
2929 | #ifndef PCSX |
| 57871462 |
2930 | emit_movimm(start+stubs[n][3]*4+(((regs[i].was32>>rs1[i])&1)<<1)+ds,3); |
| f51dc36c |
2931 | #endif |
| 57871462 |
2932 | //emit_readword((int)&last_count,temp); |
| 2933 | //emit_add(cc,temp,cc); |
| 2934 | //emit_writeword(cc,(int)&Count); |
| 2935 | //emit_mov(15,14); |
| 2936 | emit_call((int)&indirect_jump_indexed); |
| 2937 | //emit_callreg(rs); |
| 2938 | //emit_readword_dualindexedx4(rs,HOST_TEMPREG,15); |
| f51dc36c |
2939 | #ifndef PCSX |
| 57871462 |
2940 | // We really shouldn't need to update the count here, |
| 2941 | // but not doing so causes random crashes... |
| 2942 | emit_readword((int)&Count,HOST_TEMPREG); |
| 2943 | emit_readword((int)&next_interupt,2); |
| 2944 | emit_addimm(HOST_TEMPREG,-2*stubs[n][6]-2,HOST_TEMPREG); |
| 2945 | emit_writeword(2,(int)&last_count); |
| 2946 | emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc); |
| 2947 | if(cc<0) { |
| 2948 | emit_storereg(CCREG,HOST_TEMPREG); |
| 2949 | } |
| f51dc36c |
2950 | #endif |
| 57871462 |
2951 | //emit_popa(); |
| 2952 | restore_regs(reglist); |
| 2953 | //if((cc=get_reg(regmap,CCREG))>=0) { |
| 2954 | // emit_loadreg(CCREG,cc); |
| 2955 | //} |
| f18c0f46 |
2956 | if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) { |
| 2957 | assert(rt>=0); |
| 2958 | if(type==LOADB_STUB) |
| 2959 | emit_movsbl((int)&readmem_dword,rt); |
| 2960 | if(type==LOADBU_STUB) |
| 2961 | emit_movzbl((int)&readmem_dword,rt); |
| 2962 | if(type==LOADH_STUB) |
| 2963 | emit_movswl((int)&readmem_dword,rt); |
| 2964 | if(type==LOADHU_STUB) |
| 2965 | emit_movzwl((int)&readmem_dword,rt); |
| 2966 | if(type==LOADW_STUB) |
| 2967 | emit_readword((int)&readmem_dword,rt); |
| 2968 | if(type==LOADD_STUB) { |
| 2969 | emit_readword((int)&readmem_dword,rt); |
| 2970 | if(rth>=0) emit_readword(((int)&readmem_dword)+4,rth); |
| 2971 | } |
| 57871462 |
2972 | } |
| 2973 | emit_jmp(stubs[n][2]); // return address |
| c6c3b1b3 |
2974 | #endif // !PCSX |
| 57871462 |
2975 | } |
| 2976 | |
| c6c3b1b3 |
2977 | #ifdef PCSX |
| 2978 | // return memhandler, or get directly accessable address and return 0 |
| 2979 | u_int get_direct_memhandler(void *table,u_int addr,int type,u_int *addr_host) |
| 2980 | { |
| 2981 | u_int l1,l2=0; |
| 2982 | l1=((u_int *)table)[addr>>12]; |
| 2983 | if((l1&(1<<31))==0) { |
| 2984 | u_int v=l1<<1; |
| 2985 | *addr_host=v+addr; |
| 2986 | return 0; |
| 2987 | } |
| 2988 | else { |
| 2989 | l1<<=1; |
| 2990 | if(type==LOADB_STUB||type==LOADBU_STUB||type==STOREB_STUB) |
| 2991 | l2=((u_int *)l1)[0x1000/4 + 0x1000/2 + (addr&0xfff)]; |
| b96d3df7 |
2992 | else if(type==LOADH_STUB||type==LOADHU_STUB||type==STOREH_STUB) |
| c6c3b1b3 |
2993 | l2=((u_int *)l1)[0x1000/4 + (addr&0xfff)/2]; |
| 2994 | else |
| 2995 | l2=((u_int *)l1)[(addr&0xfff)/4]; |
| 2996 | if((l2&(1<<31))==0) { |
| 2997 | u_int v=l2<<1; |
| 2998 | *addr_host=v+(addr&0xfff); |
| 2999 | return 0; |
| 3000 | } |
| 3001 | return l2<<1; |
| 3002 | } |
| 3003 | } |
| 3004 | #endif |
| 3005 | |
| 57871462 |
3006 | inline_readstub(int type, int i, u_int addr, signed char regmap[], int target, int adj, u_int reglist) |
| 3007 | { |
| 3008 | int rs=get_reg(regmap,target); |
| 3009 | int rth=get_reg(regmap,target|64); |
| 3010 | int rt=get_reg(regmap,target); |
| 535d208a |
3011 | if(rs<0) rs=get_reg(regmap,-1); |
| 57871462 |
3012 | assert(rs>=0); |
| c6c3b1b3 |
3013 | #ifdef PCSX |
| b1be1eee |
3014 | u_int handler,host_addr=0,is_dynamic,far_call=0; |
| 3015 | int cc=get_reg(regmap,CCREG); |
| 3016 | if(pcsx_direct_read(type,addr,CLOCK_ADJUST(adj+1),cc,target?rs:-1,rt)) |
| 3017 | return; |
| c6c3b1b3 |
3018 | handler=get_direct_memhandler(mem_rtab,addr,type,&host_addr); |
| 3019 | if (handler==0) { |
| db829eeb |
3020 | if(rt<0||rt1[i]==0) |
| c6c3b1b3 |
3021 | return; |
| 13e35c04 |
3022 | if(addr!=host_addr) |
| 3023 | emit_movimm_from(addr,rs,host_addr,rs); |
| c6c3b1b3 |
3024 | switch(type) { |
| 3025 | case LOADB_STUB: emit_movsbl_indexed(0,rs,rt); break; |
| 3026 | case LOADBU_STUB: emit_movzbl_indexed(0,rs,rt); break; |
| 3027 | case LOADH_STUB: emit_movswl_indexed(0,rs,rt); break; |
| 3028 | case LOADHU_STUB: emit_movzwl_indexed(0,rs,rt); break; |
| 3029 | case LOADW_STUB: emit_readword_indexed(0,rs,rt); break; |
| 3030 | default: assert(0); |
| 3031 | } |
| 3032 | return; |
| 3033 | } |
| b1be1eee |
3034 | is_dynamic=pcsxmem_is_handler_dynamic(addr); |
| 3035 | if(is_dynamic) { |
| 3036 | if(type==LOADB_STUB||type==LOADBU_STUB) |
| 3037 | handler=(int)jump_handler_read8; |
| 3038 | if(type==LOADH_STUB||type==LOADHU_STUB) |
| 3039 | handler=(int)jump_handler_read16; |
| 3040 | if(type==LOADW_STUB) |
| 3041 | handler=(int)jump_handler_read32; |
| 3042 | } |
| c6c3b1b3 |
3043 | |
| 3044 | // call a memhandler |
| db829eeb |
3045 | if(rt>=0&&rt1[i]!=0) |
| c6c3b1b3 |
3046 | reglist&=~(1<<rt); |
| 3047 | save_regs(reglist); |
| 3048 | if(target==0) |
| 3049 | emit_movimm(addr,0); |
| 3050 | else if(rs!=0) |
| 3051 | emit_mov(rs,0); |
| c6c3b1b3 |
3052 | int offset=(int)handler-(int)out-8; |
| 3053 | if(offset<-33554432||offset>=33554432) { |
| 3054 | // unreachable memhandler, a plugin func perhaps |
| b1be1eee |
3055 | emit_movimm(handler,12); |
| 3056 | far_call=1; |
| 3057 | } |
| 3058 | if(cc<0) |
| 3059 | emit_loadreg(CCREG,2); |
| 3060 | if(is_dynamic) { |
| 3061 | emit_movimm(((u_int *)mem_rtab)[addr>>12]<<1,1); |
| 3062 | emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2); |
| c6c3b1b3 |
3063 | } |
| b1be1eee |
3064 | else { |
| 3065 | emit_readword((int)&last_count,3); |
| 3066 | emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2); |
| 3067 | emit_add(2,3,2); |
| 3068 | emit_writeword(2,(int)&Count); |
| 3069 | } |
| 3070 | |
| 3071 | if(far_call) |
| 3072 | emit_callreg(12); |
| c6c3b1b3 |
3073 | else |
| 3074 | emit_call(handler); |
| b1be1eee |
3075 | |
| db829eeb |
3076 | if(rt>=0&&rt1[i]!=0) { |
| c6c3b1b3 |
3077 | switch(type) { |
| 3078 | case LOADB_STUB: emit_signextend8(0,rt); break; |
| 3079 | case LOADBU_STUB: emit_andimm(0,0xff,rt); break; |
| 3080 | case LOADH_STUB: emit_signextend16(0,rt); break; |
| 3081 | case LOADHU_STUB: emit_andimm(0,0xffff,rt); break; |
| 3082 | case LOADW_STUB: if(rt!=0) emit_mov(0,rt); break; |
| 3083 | default: assert(0); |
| 3084 | } |
| 3085 | } |
| 3086 | restore_regs(reglist); |
| 3087 | #else // if !PCSX |
| 57871462 |
3088 | int ftable=0; |
| 3089 | if(type==LOADB_STUB||type==LOADBU_STUB) |
| 3090 | ftable=(int)readmemb; |
| 3091 | if(type==LOADH_STUB||type==LOADHU_STUB) |
| 3092 | ftable=(int)readmemh; |
| 3093 | if(type==LOADW_STUB) |
| 3094 | ftable=(int)readmem; |
| 24385cae |
3095 | #ifndef FORCE32 |
| 57871462 |
3096 | if(type==LOADD_STUB) |
| 3097 | ftable=(int)readmemd; |
| 24385cae |
3098 | #endif |
| 3099 | assert(ftable!=0); |
| fd99c415 |
3100 | if(target==0) |
| 3101 | emit_movimm(addr,rs); |
| 57871462 |
3102 | emit_writeword(rs,(int)&address); |
| 3103 | //emit_pusha(); |
| 3104 | save_regs(reglist); |
| 0c1fe38b |
3105 | #ifndef PCSX |
| 3106 | if((signed int)addr>=(signed int)0xC0000000) { |
| 3107 | // Theoretically we can have a pagefault here, if the TLB has never |
| 3108 | // been enabled and the address is outside the range 80000000..BFFFFFFF |
| 3109 | // Write out the registers so the pagefault can be handled. This is |
| 3110 | // a very rare case and likely represents a bug. |
| 3111 | int ds=regmap!=regs[i].regmap; |
| 3112 | if(!ds) load_all_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty,i); |
| 3113 | if(!ds) wb_dirtys(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty); |
| 3114 | else wb_dirtys(branch_regs[i-1].regmap_entry,branch_regs[i-1].was32,branch_regs[i-1].wasdirty); |
| 3115 | } |
| 3116 | #endif |
| 57871462 |
3117 | //emit_shrimm(rs,16,1); |
| 3118 | int cc=get_reg(regmap,CCREG); |
| 3119 | if(cc<0) { |
| 3120 | emit_loadreg(CCREG,2); |
| 3121 | } |
| 3122 | //emit_movimm(ftable,0); |
| 3123 | emit_movimm(((u_int *)ftable)[addr>>16],0); |
| 3124 | //emit_readword((int)&last_count,12); |
| 2573466a |
3125 | emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2); |
| f51dc36c |
3126 | #ifndef PCSX |
| 57871462 |
3127 | if((signed int)addr>=(signed int)0xC0000000) { |
| 3128 | // Pagefault address |
| 3129 | int ds=regmap!=regs[i].regmap; |
| 3130 | emit_movimm(start+i*4+(((regs[i].was32>>rs1[i])&1)<<1)+ds,3); |
| 3131 | } |
| f51dc36c |
3132 | #endif |
| 57871462 |
3133 | //emit_add(12,2,2); |
| 3134 | //emit_writeword(2,(int)&Count); |
| 3135 | //emit_call(((u_int *)ftable)[addr>>16]); |
| 3136 | emit_call((int)&indirect_jump); |
| f51dc36c |
3137 | #ifndef PCSX |
| 57871462 |
3138 | // We really shouldn't need to update the count here, |
| 3139 | // but not doing so causes random crashes... |
| 3140 | emit_readword((int)&Count,HOST_TEMPREG); |
| 3141 | emit_readword((int)&next_interupt,2); |
| 2573466a |
3142 | emit_addimm(HOST_TEMPREG,-CLOCK_ADJUST(adj+1),HOST_TEMPREG); |
| 57871462 |
3143 | emit_writeword(2,(int)&last_count); |
| 3144 | emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc); |
| 3145 | if(cc<0) { |
| 3146 | emit_storereg(CCREG,HOST_TEMPREG); |
| 3147 | } |
| f51dc36c |
3148 | #endif |
| 57871462 |
3149 | //emit_popa(); |
| 3150 | restore_regs(reglist); |
| fd99c415 |
3151 | if(rt>=0) { |
| 3152 | if(type==LOADB_STUB) |
| 3153 | emit_movsbl((int)&readmem_dword,rt); |
| 3154 | if(type==LOADBU_STUB) |
| 3155 | emit_movzbl((int)&readmem_dword,rt); |
| 3156 | if(type==LOADH_STUB) |
| 3157 | emit_movswl((int)&readmem_dword,rt); |
| 3158 | if(type==LOADHU_STUB) |
| 3159 | emit_movzwl((int)&readmem_dword,rt); |
| 3160 | if(type==LOADW_STUB) |
| 3161 | emit_readword((int)&readmem_dword,rt); |
| 3162 | if(type==LOADD_STUB) { |
| 3163 | emit_readword((int)&readmem_dword,rt); |
| 3164 | if(rth>=0) emit_readword(((int)&readmem_dword)+4,rth); |
| 3165 | } |
| 57871462 |
3166 | } |
| c6c3b1b3 |
3167 | #endif // !PCSX |
| 57871462 |
3168 | } |
| 3169 | |
| 3170 | do_writestub(int n) |
| 3171 | { |
| 3172 | assem_debug("do_writestub %x\n",start+stubs[n][3]*4); |
| 3173 | literal_pool(256); |
| 3174 | set_jump_target(stubs[n][1],(int)out); |
| 3175 | int type=stubs[n][0]; |
| 3176 | int i=stubs[n][3]; |
| 3177 | int rs=stubs[n][4]; |
| 3178 | struct regstat *i_regs=(struct regstat *)stubs[n][5]; |
| 3179 | u_int reglist=stubs[n][7]; |
| 3180 | signed char *i_regmap=i_regs->regmap; |
| 3181 | int addr=get_reg(i_regmap,AGEN1+(i&1)); |
| 3182 | int rth,rt,r; |
| 3183 | int ds; |
| b9b61529 |
3184 | if(itype[i]==C1LS||itype[i]==C2LS) { |
| 57871462 |
3185 | rth=get_reg(i_regmap,FTEMP|64); |
| 3186 | rt=get_reg(i_regmap,r=FTEMP); |
| 3187 | }else{ |
| 3188 | rth=get_reg(i_regmap,rs2[i]|64); |
| 3189 | rt=get_reg(i_regmap,r=rs2[i]); |
| 3190 | } |
| 3191 | assert(rs>=0); |
| 3192 | assert(rt>=0); |
| b96d3df7 |
3193 | #ifdef PCSX |
| 3194 | int rtmp,temp=-1,temp2=HOST_TEMPREG,regs_saved=0,restore_jump=0,ra; |
| 3195 | int reglist2=reglist|(1<<rs)|(1<<rt); |
| 3196 | for(rtmp=0;rtmp<=12;rtmp++) { |
| 3197 | if(((1<<rtmp)&0x13ff)&&((1<<rtmp)®list2)==0) { |
| 3198 | temp=rtmp; break; |
| 3199 | } |
| 3200 | } |
| 3201 | if(temp==-1) { |
| 3202 | save_regs(reglist); |
| 3203 | regs_saved=1; |
| 3204 | for(rtmp=0;rtmp<=3;rtmp++) |
| 3205 | if(rtmp!=rs&&rtmp!=rt) |
| 3206 | {temp=rtmp;break;} |
| 3207 | } |
| 3208 | if((regs_saved||(reglist2&8)==0)&&temp!=3&&rs!=3&&rt!=3) |
| 3209 | temp2=3; |
| 3210 | emit_readword((int)&mem_wtab,temp); |
| 3211 | emit_shrimm(rs,12,temp2); |
| 3212 | emit_readword_dualindexedx4(temp,temp2,temp2); |
| 3213 | emit_lsls_imm(temp2,1,temp2); |
| 3214 | switch(type) { |
| 3215 | case STOREB_STUB: emit_strccb_dualindexed(temp2,rs,rt); break; |
| 3216 | case STOREH_STUB: emit_strcch_dualindexed(temp2,rs,rt); break; |
| 3217 | case STOREW_STUB: emit_strcc_dualindexed(temp2,rs,rt); break; |
| 3218 | default: assert(0); |
| 3219 | } |
| 3220 | if(regs_saved) { |
| 3221 | restore_jump=(int)out; |
| 3222 | emit_jcc(0); // jump to reg restore |
| 3223 | } |
| 3224 | else |
| 3225 | emit_jcc(stubs[n][2]); // return address (invcode check) |
| 3226 | |
| 3227 | if(!regs_saved) |
| 3228 | save_regs(reglist); |
| 3229 | int handler=0; |
| 3230 | switch(type) { |
| 3231 | case STOREB_STUB: handler=(int)jump_handler_write8; break; |
| 3232 | case STOREH_STUB: handler=(int)jump_handler_write16; break; |
| 3233 | case STOREW_STUB: handler=(int)jump_handler_write32; break; |
| 3234 | } |
| 3235 | assert(handler!=0); |
| 3236 | pass_args(rs,rt); |
| 3237 | if(temp2!=3) |
| 3238 | emit_mov(temp2,3); |
| 3239 | int cc=get_reg(i_regmap,CCREG); |
| 3240 | if(cc<0) |
| 3241 | emit_loadreg(CCREG,2); |
| 2573466a |
3242 | emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n][6]+1),2); |
| b96d3df7 |
3243 | // returns new cycle_count |
| 3244 | emit_call(handler); |
| 2573466a |
3245 | emit_addimm(0,-CLOCK_ADJUST((int)stubs[n][6]+1),cc<0?2:cc); |
| b96d3df7 |
3246 | if(cc<0) |
| 3247 | emit_storereg(CCREG,2); |
| 3248 | if(restore_jump) |
| 3249 | set_jump_target(restore_jump,(int)out); |
| 3250 | restore_regs(reglist); |
| 3251 | ra=stubs[n][2]; |
| b96d3df7 |
3252 | emit_jmp(ra); |
| 3253 | #else // if !PCSX |
| 57871462 |
3254 | if(addr<0) addr=get_reg(i_regmap,-1); |
| 3255 | assert(addr>=0); |
| 3256 | int ftable=0; |
| 3257 | if(type==STOREB_STUB) |
| 3258 | ftable=(int)writememb; |
| 3259 | if(type==STOREH_STUB) |
| 3260 | ftable=(int)writememh; |
| 3261 | if(type==STOREW_STUB) |
| 3262 | ftable=(int)writemem; |
| 24385cae |
3263 | #ifndef FORCE32 |
| 57871462 |
3264 | if(type==STORED_STUB) |
| 3265 | ftable=(int)writememd; |
| 24385cae |
3266 | #endif |
| 3267 | assert(ftable!=0); |
| 57871462 |
3268 | emit_writeword(rs,(int)&address); |
| 3269 | //emit_shrimm(rs,16,rs); |
| 3270 | //emit_movmem_indexedx4(ftable,rs,rs); |
| 3271 | if(type==STOREB_STUB) |
| 3272 | emit_writebyte(rt,(int)&byte); |
| 3273 | if(type==STOREH_STUB) |
| 3274 | emit_writehword(rt,(int)&hword); |
| 3275 | if(type==STOREW_STUB) |
| 3276 | emit_writeword(rt,(int)&word); |
| 3277 | if(type==STORED_STUB) { |
| 3d624f89 |
3278 | #ifndef FORCE32 |
| 57871462 |
3279 | emit_writeword(rt,(int)&dword); |
| 3280 | emit_writeword(r?rth:rt,(int)&dword+4); |
| 3d624f89 |
3281 | #else |
| 3282 | printf("STORED_STUB\n"); |
| 3283 | #endif |
| 57871462 |
3284 | } |
| 3285 | //emit_pusha(); |
| 3286 | save_regs(reglist); |
| 97a238a6 |
3287 | #ifndef PCSX |
| 57871462 |
3288 | ds=i_regs!=®s[i]; |
| 3289 | int real_rs=get_reg(i_regmap,rs1[i]); |
| 3290 | u_int cmask=ds?-1:(0x100f|~i_regs->wasconst); |
| 3291 | if(!ds) load_all_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))&0x100f,i); |
| 3292 | wb_dirtys(i_regs->regmap_entry,i_regs->was32,i_regs->wasdirty&cmask&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))); |
| 3293 | if(!ds) wb_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty&~(1<<addr)&(real_rs<0?-1:~(1<<real_rs))&~0x100f,i); |
| 97a238a6 |
3294 | #endif |
| 57871462 |
3295 | emit_shrimm(rs,16,1); |
| 3296 | int cc=get_reg(i_regmap,CCREG); |
| 3297 | if(cc<0) { |
| 3298 | emit_loadreg(CCREG,2); |
| 3299 | } |
| 3300 | emit_movimm(ftable,0); |
| 3301 | emit_addimm(cc<0?2:cc,2*stubs[n][6]+2,2); |
| f51dc36c |
3302 | #ifndef PCSX |
| 57871462 |
3303 | emit_movimm(start+stubs[n][3]*4+(((regs[i].was32>>rs1[i])&1)<<1)+ds,3); |
| f51dc36c |
3304 | #endif |
| 57871462 |
3305 | //emit_readword((int)&last_count,temp); |
| 3306 | //emit_addimm(cc,2*stubs[n][5]+2,cc); |
| 3307 | //emit_add(cc,temp,cc); |
| 3308 | //emit_writeword(cc,(int)&Count); |
| 3309 | emit_call((int)&indirect_jump_indexed); |
| 3310 | //emit_callreg(rs); |
| 3311 | emit_readword((int)&Count,HOST_TEMPREG); |
| 3312 | emit_readword((int)&next_interupt,2); |
| 3313 | emit_addimm(HOST_TEMPREG,-2*stubs[n][6]-2,HOST_TEMPREG); |
| 3314 | emit_writeword(2,(int)&last_count); |
| 3315 | emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc); |
| 3316 | if(cc<0) { |
| 3317 | emit_storereg(CCREG,HOST_TEMPREG); |
| 3318 | } |
| 3319 | //emit_popa(); |
| 3320 | restore_regs(reglist); |
| 3321 | //if((cc=get_reg(regmap,CCREG))>=0) { |
| 3322 | // emit_loadreg(CCREG,cc); |
| 3323 | //} |
| 3324 | emit_jmp(stubs[n][2]); // return address |
| b96d3df7 |
3325 | #endif // !PCSX |
| 57871462 |
3326 | } |
| 3327 | |
| 3328 | inline_writestub(int type, int i, u_int addr, signed char regmap[], int target, int adj, u_int reglist) |
| 3329 | { |
| 3330 | int rs=get_reg(regmap,-1); |
| 3331 | int rth=get_reg(regmap,target|64); |
| 3332 | int rt=get_reg(regmap,target); |
| 3333 | assert(rs>=0); |
| 3334 | assert(rt>=0); |
| cbbab9cd |
3335 | #ifdef PCSX |
| b96d3df7 |
3336 | u_int handler,host_addr=0; |
| b96d3df7 |
3337 | handler=get_direct_memhandler(mem_wtab,addr,type,&host_addr); |
| 3338 | if (handler==0) { |
| 13e35c04 |
3339 | if(addr!=host_addr) |
| 3340 | emit_movimm_from(addr,rs,host_addr,rs); |
| b96d3df7 |
3341 | switch(type) { |
| 3342 | case STOREB_STUB: emit_writebyte_indexed(rt,0,rs); break; |
| 3343 | case STOREH_STUB: emit_writehword_indexed(rt,0,rs); break; |
| 3344 | case STOREW_STUB: emit_writeword_indexed(rt,0,rs); break; |
| 3345 | default: assert(0); |
| 3346 | } |
| 3347 | return; |
| 3348 | } |
| 3349 | |
| 3350 | // call a memhandler |
| 3351 | save_regs(reglist); |
| 13e35c04 |
3352 | pass_args(rs,rt); |
| b96d3df7 |
3353 | int cc=get_reg(regmap,CCREG); |
| 3354 | if(cc<0) |
| 3355 | emit_loadreg(CCREG,2); |
| 2573466a |
3356 | emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2); |
| b96d3df7 |
3357 | emit_movimm(handler,3); |
| 3358 | // returns new cycle_count |
| 3359 | emit_call((int)jump_handler_write_h); |
| 2573466a |
3360 | emit_addimm(0,-CLOCK_ADJUST(adj+1),cc<0?2:cc); |
| b96d3df7 |
3361 | if(cc<0) |
| 3362 | emit_storereg(CCREG,2); |
| 3363 | restore_regs(reglist); |
| 3364 | #else // if !pcsx |
| 57871462 |
3365 | int ftable=0; |
| 3366 | if(type==STOREB_STUB) |
| 3367 | ftable=(int)writememb; |
| 3368 | if(type==STOREH_STUB) |
| 3369 | ftable=(int)writememh; |
| 3370 | if(type==STOREW_STUB) |
| 3371 | ftable=(int)writemem; |
| 24385cae |
3372 | #ifndef FORCE32 |
| 57871462 |
3373 | if(type==STORED_STUB) |
| 3374 | ftable=(int)writememd; |
| 24385cae |
3375 | #endif |
| 3376 | assert(ftable!=0); |
| 57871462 |
3377 | emit_writeword(rs,(int)&address); |
| 3378 | //emit_shrimm(rs,16,rs); |
| 3379 | //emit_movmem_indexedx4(ftable,rs,rs); |
| 3380 | if(type==STOREB_STUB) |
| 3381 | emit_writebyte(rt,(int)&byte); |
| 3382 | if(type==STOREH_STUB) |
| 3383 | emit_writehword(rt,(int)&hword); |
| 3384 | if(type==STOREW_STUB) |
| 3385 | emit_writeword(rt,(int)&word); |
| 3386 | if(type==STORED_STUB) { |
| 3d624f89 |
3387 | #ifndef FORCE32 |
| 57871462 |
3388 | emit_writeword(rt,(int)&dword); |
|
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