target-ppc/op_helper.h

   1 /*
   2  *  PowerPC emulation helpers header for qemu.
   3  *
   4  *  Copyright (c) 2003-2007 Jocelyn Mayer
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library 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 GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #if defined(MEMSUFFIX)
  22
  23 /* Memory load/store helpers */
  24 void glue(do_lsw, MEMSUFFIX) (int dst);
  25 void glue(do_lsw_le, MEMSUFFIX) (int dst);
  26 void glue(do_stsw, MEMSUFFIX) (int src);
  27 void glue(do_stsw_le, MEMSUFFIX) (int src);
  28 void glue(do_lmw, MEMSUFFIX) (int dst);
  29 void glue(do_lmw_le, MEMSUFFIX) (int dst);
  30 void glue(do_stmw, MEMSUFFIX) (int src);
  31 void glue(do_stmw_le, MEMSUFFIX) (int src);
  32 void glue(do_icbi, MEMSUFFIX) (void);
  33 void glue(do_POWER_lscbx, MEMSUFFIX) (int dest, int ra, int rb);
  34 void glue(do_POWER2_lfq, MEMSUFFIX) (void);
  35 void glue(do_POWER2_lfq_le, MEMSUFFIX) (void);
  36 void glue(do_POWER2_stfq, MEMSUFFIX) (void);
  37 void glue(do_POWER2_stfq_le, MEMSUFFIX) (void);
  38
  39 #if defined(TARGET_PPC64)
  40 void glue(do_lsw_64, MEMSUFFIX) (int dst);
  41 void glue(do_lsw_le_64, MEMSUFFIX) (int dst);
  42 void glue(do_stsw_64, MEMSUFFIX) (int src);
  43 void glue(do_stsw_le_64, MEMSUFFIX) (int src);
  44 void glue(do_lmw_64, MEMSUFFIX) (int dst);
  45 void glue(do_lmw_le_64, MEMSUFFIX) (int dst);
  46 void glue(do_stmw_64, MEMSUFFIX) (int src);
  47 void glue(do_stmw_le_64, MEMSUFFIX) (int src);
  48 void glue(do_icbi_64, MEMSUFFIX) (void);
  49 #endif
  50
  51 #else
  52
  53 void do_print_mem_EA (target_ulong EA);
  54
  55 /* Registers load and stores */
  56 void do_load_cr (void);
  57 void do_store_cr (uint32_t mask);
  58 void do_load_xer (void);
  59 void do_store_xer (void);
  60 void do_load_fpscr (void);
  61 void do_store_fpscr (uint32_t mask);
  62 target_ulong ppc_load_dump_spr (int sprn);
  63 void ppc_store_dump_spr (int sprn, target_ulong val);
  64
  65 /* Integer arithmetic helpers */
  66 void do_adde (void);
  67 void do_addmeo (void);
  68 void do_divwo (void);
  69 void do_divwuo (void);
  70 void do_mullwo (void);
  71 void do_nego (void);
  72 void do_subfe (void);
  73 void do_subfmeo (void);
  74 void do_subfzeo (void);
  75 void do_sraw (void);
  76 #if defined(TARGET_PPC64)
  77 void do_adde_64 (void);
  78 void do_addmeo_64 (void);
  79 void do_imul64 (uint64_t *tl, uint64_t *th);
  80 void do_mul64 (uint64_t *tl, uint64_t *th);
  81 void do_divdo (void);
  82 void do_divduo (void);
  83 void do_mulldo (void);
  84 void do_nego_64 (void);
  85 void do_subfe_64 (void);
  86 void do_subfmeo_64 (void);
  87 void do_subfzeo_64 (void);
  88 void do_srad (void);
  89 #endif
  90 void do_popcntb (void);
  91 #if defined(TARGET_PPC64)
  92 void do_popcntb_64 (void);
  93 #endif
  94
  95 /* Floating-point arithmetic helpers */
  96 void do_fsqrt (void);
  97 void do_fre (void);
  98 void do_fres (void);
  99 void do_frsqrte (void);
 100 void do_fsel (void);
 101 #if USE_PRECISE_EMULATION
 102 void do_fmadd (void);
 103 void do_fmsub (void);
 104 #endif
 105 void do_fnmadd (void);
 106 void do_fnmsub (void);
 107 void do_fctiw (void);
 108 void do_fctiwz (void);
 109 #if defined(TARGET_PPC64)
 110 void do_fcfid (void);
 111 void do_fctid (void);
 112 void do_fctidz (void);
 113 #endif
 114 void do_frin (void);
 115 void do_friz (void);
 116 void do_frip (void);
 117 void do_frim (void);
 118 void do_fcmpu (void);
 119 void do_fcmpo (void);
 120
 121 /* Misc */
 122 void do_tw (int flags);
 123 #if defined(TARGET_PPC64)
 124 void do_td (int flags);
 125 #endif
 126 #if !defined(CONFIG_USER_ONLY)
 127 void do_rfi (void);
 128 #if defined(TARGET_PPC64)
 129 void do_rfid (void);
 130 #endif
 131 void do_tlbia (void);
 132 void do_tlbie (void);
 133 #if defined(TARGET_PPC64)
 134 void do_tlbie_64 (void);
 135 #endif
 136 void do_load_6xx_tlb (int is_code);
 137 #if defined(TARGET_PPC64)
 138 void do_slbia (void);
 139 void do_slbie (void);
 140 #endif
 141 #endif
 142
 143 /* POWER / PowerPC 601 specific helpers */
 144 void do_store_601_batu (int nr);
 145 void do_POWER_abso (void);
 146 void do_POWER_clcs (void);
 147 void do_POWER_div (void);
 148 void do_POWER_divo (void);
 149 void do_POWER_divs (void);
 150 void do_POWER_divso (void);
 151 void do_POWER_dozo (void);
 152 void do_POWER_maskg (void);
 153 void do_POWER_mulo (void);
 154 #if !defined(CONFIG_USER_ONLY)
 155 void do_POWER_rac (void);
 156 void do_POWER_rfsvc (void);
 157 #endif
 158
 159 /* PowerPC 602 specific helper */
 160 #if !defined(CONFIG_USER_ONLY)
 161 void do_op_602_mfrom (void);
 162 #endif
 163
 164 /* PowerPC 440 specific helpers */
 165 #if !defined(CONFIG_USER_ONLY)
 166 void do_440_tlbre (int word);
 167 void do_440_tlbsx (void);
 168 void do_440_tlbsx_ (void);
 169 void do_440_tlbwe (int word);
 170 #endif
 171
 172 /* PowerPC 4xx specific helpers */
 173 void do_405_check_ov (void);
 174 void do_405_check_sat (void);
 175 void do_load_dcr (void);
 176 void do_store_dcr (void);
 177 #if !defined(CONFIG_USER_ONLY)
 178 void do_40x_rfci (void);
 179 void do_rfci (void);
 180 void do_rfdi (void);
 181 void do_rfmci (void);
 182 void do_4xx_tlbre_lo (void);
 183 void do_4xx_tlbre_hi (void);
 184 void do_4xx_tlbsx (void);
 185 void do_4xx_tlbsx_ (void);
 186 void do_4xx_tlbwe_lo (void);
 187 void do_4xx_tlbwe_hi (void);
 188 #endif
 189
 190 /* PowerPC 440 specific helpers */
 191 void do_440_dlmzb (void);
 192
 193 /* PowerPC 403 specific helpers */
 194 #if !defined(CONFIG_USER_ONLY)
 195 void do_load_403_pb (int num);
 196 void do_store_403_pb (int num);
 197 #endif
 198
 199 #if defined(TARGET_PPCEMB)
 200 /* SPE extension helpers */
 201 void do_brinc (void);
 202 /* Fixed-point vector helpers */
 203 void do_evabs (void);
 204 void do_evaddw (void);
 205 void do_evcntlsw (void);
 206 void do_evcntlzw (void);
 207 void do_evneg (void);
 208 void do_evrlw (void);
 209 void do_evsel (void);
 210 void do_evrndw (void);
 211 void do_evslw (void);
 212 void do_evsrws (void);
 213 void do_evsrwu (void);
 214 void do_evsubfw (void);
 215 void do_evcmpeq (void);
 216 void do_evcmpgts (void);
 217 void do_evcmpgtu (void);
 218 void do_evcmplts (void);
 219 void do_evcmpltu (void);
 220
 221 /* Single precision floating-point helpers */
 222 void do_efscmplt (void);
 223 void do_efscmpgt (void);
 224 void do_efscmpeq (void);
 225 void do_efscfsf (void);
 226 void do_efscfuf (void);
 227 void do_efsctsf (void);
 228 void do_efsctuf (void);
 229
 230 void do_efscfsi (void);
 231 void do_efscfui (void);
 232 void do_efsctsi (void);
 233 void do_efsctui (void);
 234 void do_efsctsiz (void);
 235 void do_efsctuiz (void);
 236
 237 /* Double precision floating-point helpers */
 238 void do_efdcmplt (void);
 239 void do_efdcmpgt (void);
 240 void do_efdcmpeq (void);
 241 void do_efdcfsf (void);
 242 void do_efdcfuf (void);
 243 void do_efdctsf (void);
 244 void do_efdctuf (void);
 245
 246 void do_efdcfsi (void);
 247 void do_efdcfui (void);
 248 void do_efdctsi (void);
 249 void do_efdctui (void);
 250 void do_efdctsiz (void);
 251 void do_efdctuiz (void);
 252
 253 void do_efdcfs (void);
 254 void do_efscfd (void);
 255
 256 /* Floating-point vector helpers */
 257 void do_evfsabs (void);
 258 void do_evfsnabs (void);
 259 void do_evfsneg (void);
 260 void do_evfsadd (void);
 261 void do_evfssub (void);
 262 void do_evfsmul (void);
 263 void do_evfsdiv (void);
 264 void do_evfscmplt (void);
 265 void do_evfscmpgt (void);
 266 void do_evfscmpeq (void);
 267 void do_evfststlt (void);
 268 void do_evfststgt (void);
 269 void do_evfststeq (void);
 270 void do_evfscfsi (void);
 271 void do_evfscfui (void);
 272 void do_evfscfsf (void);
 273 void do_evfscfuf (void);
 274 void do_evfsctsf (void);
 275 void do_evfsctuf (void);
 276 void do_evfsctsi (void);
 277 void do_evfsctui (void);
 278 void do_evfsctsiz (void);
 279 void do_evfsctuiz (void);
 280 #endif /* defined(TARGET_PPCEMB) */
 281
 282 /* Inlined helpers: used in micro-operation as well as helpers */
 283 /* Generic fixed-point helpers */
 284 static inline int _do_cntlzw (uint32_t val)
 285 {
 286     int cnt = 0;
 287     if (!(val & 0xFFFF0000UL)) {
 288         cnt += 16;
 289         val <<= 16;
 290     }
 291     if (!(val & 0xFF000000UL)) {
 292         cnt += 8;
 293         val <<= 8;
 294     }
 295     if (!(val & 0xF0000000UL)) {
 296         cnt += 4;
 297         val <<= 4;
 298     }
 299     if (!(val & 0xC0000000UL)) {
 300         cnt += 2;
 301         val <<= 2;
 302     }
 303     if (!(val & 0x80000000UL)) {
 304         cnt++;
 305         val <<= 1;
 306     }
 307     if (!(val & 0x80000000UL)) {
 308         cnt++;
 309     }
 310     return cnt;
 311 }
 312
 313 static inline int _do_cntlzd (uint64_t val)
 314 {
 315     int cnt = 0;
 316 #if HOST_LONG_BITS == 64
 317     if (!(val & 0xFFFFFFFF00000000ULL)) {
 318         cnt += 32;
 319         val <<= 32;
 320     }
 321     if (!(val & 0xFFFF000000000000ULL)) {
 322         cnt += 16;
 323         val <<= 16;
 324     }
 325     if (!(val & 0xFF00000000000000ULL)) {
 326         cnt += 8;
 327         val <<= 8;
 328     }
 329     if (!(val & 0xF000000000000000ULL)) {
 330         cnt += 4;
 331         val <<= 4;
 332     }
 333     if (!(val & 0xC000000000000000ULL)) {
 334         cnt += 2;
 335         val <<= 2;
 336     }
 337     if (!(val & 0x8000000000000000ULL)) {
 338         cnt++;
 339         val <<= 1;
 340     }
 341     if (!(val & 0x8000000000000000ULL)) {
 342         cnt++;
 343     }
 344 #else
 345     /* Make it easier on 32 bits host machines */
 346     if (!(val >> 32))
 347         cnt = _do_cntlzw(val) + 32;
 348     else
 349         cnt = _do_cntlzw(val >> 32);
 350 #endif
 351     return cnt;
 352 }
 353
 354 #if defined(TARGET_PPCEMB)
 355 /* SPE extension */
 356 /* Single precision floating-point helpers */
 357 static inline uint32_t _do_efsabs (uint32_t val)
 358 {
 359     return val & ~0x80000000;
 360 }
 361 static inline uint32_t _do_efsnabs (uint32_t val)
 362 {
 363     return val | 0x80000000;
 364 }
 365 static inline uint32_t _do_efsneg (uint32_t val)
 366 {
 367     return val ^ 0x80000000;
 368 }
 369 static inline uint32_t _do_efsadd (uint32_t op1, uint32_t op2)
 370 {
 371     union {
 372         uint32_t u;
 373         float32 f;
 374     } u1, u2;
 375     u1.u = op1;
 376     u2.u = op2;
 377     u1.f = float32_add(u1.f, u2.f, &env->spe_status);
 378     return u1.u;
 379 }
 380 static inline uint32_t _do_efssub (uint32_t op1, uint32_t op2)
 381 {
 382     union {
 383         uint32_t u;
 384         float32 f;
 385     } u1, u2;
 386     u1.u = op1;
 387     u2.u = op2;
 388     u1.f = float32_sub(u1.f, u2.f, &env->spe_status);
 389     return u1.u;
 390 }
 391 static inline uint32_t _do_efsmul (uint32_t op1, uint32_t op2)
 392 {
 393     union {
 394         uint32_t u;
 395         float32 f;
 396     } u1, u2;
 397     u1.u = op1;
 398     u2.u = op2;
 399     u1.f = float32_mul(u1.f, u2.f, &env->spe_status);
 400     return u1.u;
 401 }
 402 static inline uint32_t _do_efsdiv (uint32_t op1, uint32_t op2)
 403 {
 404     union {
 405         uint32_t u;
 406         float32 f;
 407     } u1, u2;
 408     u1.u = op1;
 409     u2.u = op2;
 410     u1.f = float32_div(u1.f, u2.f, &env->spe_status);
 411     return u1.u;
 412 }
 413
 414 static inline int _do_efststlt (uint32_t op1, uint32_t op2)
 415 {
 416     union {
 417         uint32_t u;
 418         float32 f;
 419     } u1, u2;
 420     u1.u = op1;
 421     u2.u = op2;
 422     return float32_lt(u1.f, u2.f, &env->spe_status) ? 1 : 0;
 423 }
 424 static inline int _do_efststgt (uint32_t op1, uint32_t op2)
 425 {
 426     union {
 427         uint32_t u;
 428         float32 f;
 429     } u1, u2;
 430     u1.u = op1;
 431     u2.u = op2;
 432     return float32_le(u1.f, u2.f, &env->spe_status) ? 0 : 1;
 433 }
 434 static inline int _do_efststeq (uint32_t op1, uint32_t op2)
 435 {
 436     union {
 437         uint32_t u;
 438         float32 f;
 439     } u1, u2;
 440     u1.u = op1;
 441     u2.u = op2;
 442     return float32_eq(u1.f, u2.f, &env->spe_status) ? 1 : 0;
 443 }
 444 /* Double precision floating-point helpers */
 445 static inline int _do_efdtstlt (uint64_t op1, uint64_t op2)
 446 {
 447     union {
 448         uint64_t u;
 449         float64 f;
 450     } u1, u2;
 451     u1.u = op1;
 452     u2.u = op2;
 453     return float64_lt(u1.f, u2.f, &env->spe_status) ? 1 : 0;
 454 }
 455 static inline int _do_efdtstgt (uint64_t op1, uint64_t op2)
 456 {
 457     union {
 458         uint64_t u;
 459         float64 f;
 460     } u1, u2;
 461     u1.u = op1;
 462     u2.u = op2;
 463     return float64_le(u1.f, u2.f, &env->spe_status) ? 0 : 1;
 464 }
 465 static inline int _do_efdtsteq (uint64_t op1, uint64_t op2)
 466 {
 467     union {
 468         uint64_t u;
 469         float64 f;
 470     } u1, u2;
 471     u1.u = op1;
 472     u2.u = op2;
 473     return float64_eq(u1.f, u2.f, &env->spe_status) ? 1 : 0;
 474 }
 475 #endif /* defined(TARGET_PPCEMB) */
 476 #endif