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_fres (void);
  98 void do_frsqrte (void);
  99 void do_fsel (void);
 100 #if USE_PRECISE_EMULATION
 101 void do_fmadd (void);
 102 void do_fmsub (void);
 103 #endif
 104 void do_fnmadd (void);
 105 void do_fnmsub (void);
 106 void do_fctiw (void);
 107 void do_fctiwz (void);
 108 #if defined(TARGET_PPC64)
 109 void do_fcfid (void);
 110 void do_fctid (void);
 111 void do_fctidz (void);
 112 #endif
 113 void do_fcmpu (void);
 114 void do_fcmpo (void);
 115
 116 /* Misc */
 117 void do_tw (int flags);
 118 #if defined(TARGET_PPC64)
 119 void do_td (int flags);
 120 #endif
 121 #if !defined(CONFIG_USER_ONLY)
 122 void do_rfi (void);
 123 #if defined(TARGET_PPC64)
 124 void do_rfid (void);
 125 #endif
 126 void do_tlbia (void);
 127 void do_tlbie (void);
 128 #if defined(TARGET_PPC64)
 129 void do_tlbie_64 (void);
 130 #endif
 131 void do_load_6xx_tlb (int is_code);
 132 #if defined(TARGET_PPC64)
 133 void do_slbia (void);
 134 void do_slbie (void);
 135 #endif
 136 #endif
 137
 138 /* POWER / PowerPC 601 specific helpers */
 139 void do_store_601_batu (int nr);
 140 void do_POWER_abso (void);
 141 void do_POWER_clcs (void);
 142 void do_POWER_div (void);
 143 void do_POWER_divo (void);
 144 void do_POWER_divs (void);
 145 void do_POWER_divso (void);
 146 void do_POWER_dozo (void);
 147 void do_POWER_maskg (void);
 148 void do_POWER_mulo (void);
 149 #if !defined(CONFIG_USER_ONLY)
 150 void do_POWER_rac (void);
 151 void do_POWER_rfsvc (void);
 152 #endif
 153
 154 /* PowerPC 602 specific helper */
 155 #if !defined(CONFIG_USER_ONLY)
 156 void do_op_602_mfrom (void);
 157 #endif
 158
 159 /* PowerPC 440 specific helpers */
 160 #if !defined(CONFIG_USER_ONLY)
 161 void do_440_tlbre (int word);
 162 void do_440_tlbsx (void);
 163 void do_440_tlbsx_ (void);
 164 void do_440_tlbwe (int word);
 165 #endif
 166
 167 /* PowerPC 4xx specific helpers */
 168 void do_405_check_ov (void);
 169 void do_405_check_sat (void);
 170 void do_load_dcr (void);
 171 void do_store_dcr (void);
 172 #if !defined(CONFIG_USER_ONLY)
 173 void do_40x_rfci (void);
 174 void do_rfci (void);
 175 void do_rfdi (void);
 176 void do_rfmci (void);
 177 void do_4xx_tlbre_lo (void);
 178 void do_4xx_tlbre_hi (void);
 179 void do_4xx_tlbsx (void);
 180 void do_4xx_tlbsx_ (void);
 181 void do_4xx_tlbwe_lo (void);
 182 void do_4xx_tlbwe_hi (void);
 183 #endif
 184
 185 /* PowerPC 440 specific helpers */
 186 void do_440_dlmzb (void);
 187
 188 /* PowerPC 403 specific helpers */
 189 #if !defined(CONFIG_USER_ONLY)
 190 void do_load_403_pb (int num);
 191 void do_store_403_pb (int num);
 192 #endif
 193
 194 #if defined(TARGET_PPCEMB)
 195 /* SPE extension helpers */
 196 void do_brinc (void);
 197 /* Fixed-point vector helpers */
 198 void do_evabs (void);
 199 void do_evaddw (void);
 200 void do_evcntlsw (void);
 201 void do_evcntlzw (void);
 202 void do_evneg (void);
 203 void do_evrlw (void);
 204 void do_evsel (void);
 205 void do_evrndw (void);
 206 void do_evslw (void);
 207 void do_evsrws (void);
 208 void do_evsrwu (void);
 209 void do_evsubfw (void);
 210 void do_evcmpeq (void);
 211 void do_evcmpgts (void);
 212 void do_evcmpgtu (void);
 213 void do_evcmplts (void);
 214 void do_evcmpltu (void);
 215
 216 /* Single precision floating-point helpers */
 217 void do_efscmplt (void);
 218 void do_efscmpgt (void);
 219 void do_efscmpeq (void);
 220 void do_efscfsf (void);
 221 void do_efscfuf (void);
 222 void do_efsctsf (void);
 223 void do_efsctuf (void);
 224
 225 void do_efscfsi (void);
 226 void do_efscfui (void);
 227 void do_efsctsi (void);
 228 void do_efsctui (void);
 229 void do_efsctsiz (void);
 230 void do_efsctuiz (void);
 231
 232 /* Double precision floating-point helpers */
 233 void do_efdcmplt (void);
 234 void do_efdcmpgt (void);
 235 void do_efdcmpeq (void);
 236 void do_efdcfsf (void);
 237 void do_efdcfuf (void);
 238 void do_efdctsf (void);
 239 void do_efdctuf (void);
 240
 241 void do_efdcfsi (void);
 242 void do_efdcfui (void);
 243 void do_efdctsi (void);
 244 void do_efdctui (void);
 245 void do_efdctsiz (void);
 246 void do_efdctuiz (void);
 247
 248 void do_efdcfs (void);
 249 void do_efscfd (void);
 250
 251 /* Floating-point vector helpers */
 252 void do_evfsabs (void);
 253 void do_evfsnabs (void);
 254 void do_evfsneg (void);
 255 void do_evfsadd (void);
 256 void do_evfssub (void);
 257 void do_evfsmul (void);
 258 void do_evfsdiv (void);
 259 void do_evfscmplt (void);
 260 void do_evfscmpgt (void);
 261 void do_evfscmpeq (void);
 262 void do_evfststlt (void);
 263 void do_evfststgt (void);
 264 void do_evfststeq (void);
 265 void do_evfscfsi (void);
 266 void do_evfscfui (void);
 267 void do_evfscfsf (void);
 268 void do_evfscfuf (void);
 269 void do_evfsctsf (void);
 270 void do_evfsctuf (void);
 271 void do_evfsctsi (void);
 272 void do_evfsctui (void);
 273 void do_evfsctsiz (void);
 274 void do_evfsctuiz (void);
 275 #endif /* defined(TARGET_PPCEMB) */
 276
 277 /* Inlined helpers: used in micro-operation as well as helpers */
 278 /* Generic fixed-point helpers */
 279 static inline int _do_cntlzw (uint32_t val)
 280 {
 281     int cnt = 0;
 282     if (!(val & 0xFFFF0000UL)) {
 283         cnt += 16;
 284         val <<= 16;
 285     }
 286     if (!(val & 0xFF000000UL)) {
 287         cnt += 8;
 288         val <<= 8;
 289     }
 290     if (!(val & 0xF0000000UL)) {
 291         cnt += 4;
 292         val <<= 4;
 293     }
 294     if (!(val & 0xC0000000UL)) {
 295         cnt += 2;
 296         val <<= 2;
 297     }
 298     if (!(val & 0x80000000UL)) {
 299         cnt++;
 300         val <<= 1;
 301     }
 302     if (!(val & 0x80000000UL)) {
 303         cnt++;
 304     }
 305     return cnt;
 306 }
 307
 308 static inline int _do_cntlzd (uint64_t val)
 309 {
 310     int cnt = 0;
 311 #if HOST_LONG_BITS == 64
 312     if (!(val & 0xFFFFFFFF00000000ULL)) {
 313         cnt += 32;
 314         val <<= 32;
 315     }
 316     if (!(val & 0xFFFF000000000000ULL)) {
 317         cnt += 16;
 318         val <<= 16;
 319     }
 320     if (!(val & 0xFF00000000000000ULL)) {
 321         cnt += 8;
 322         val <<= 8;
 323     }
 324     if (!(val & 0xF000000000000000ULL)) {
 325         cnt += 4;
 326         val <<= 4;
 327     }
 328     if (!(val & 0xC000000000000000ULL)) {
 329         cnt += 2;
 330         val <<= 2;
 331     }
 332     if (!(val & 0x8000000000000000ULL)) {
 333         cnt++;
 334         val <<= 1;
 335     }
 336     if (!(val & 0x8000000000000000ULL)) {
 337         cnt++;
 338     }
 339 #else
 340     /* Make it easier on 32 bits host machines */
 341     if (!(val >> 32))
 342         cnt = _do_cntlzw(val) + 32;
 343     else
 344         cnt = _do_cntlzw(val >> 32);
 345 #endif
 346     return cnt;
 347 }
 348
 349 #if defined(TARGET_PPCEMB)
 350 /* SPE extension */
 351 /* Single precision floating-point helpers */
 352 static inline uint32_t _do_efsabs (uint32_t val)
 353 {
 354     return val & ~0x80000000;
 355 }
 356 static inline uint32_t _do_efsnabs (uint32_t val)
 357 {
 358     return val | 0x80000000;
 359 }
 360 static inline uint32_t _do_efsneg (uint32_t val)
 361 {
 362     return val ^ 0x80000000;
 363 }
 364 static inline uint32_t _do_efsadd (uint32_t op1, uint32_t op2)
 365 {
 366     union {
 367         uint32_t u;
 368         float32 f;
 369     } u1, u2;
 370     u1.u = op1;
 371     u2.u = op2;
 372     u1.f = float32_add(u1.f, u2.f, &env->spe_status);
 373     return u1.u;
 374 }
 375 static inline uint32_t _do_efssub (uint32_t op1, uint32_t op2)
 376 {
 377     union {
 378         uint32_t u;
 379         float32 f;
 380     } u1, u2;
 381     u1.u = op1;
 382     u2.u = op2;
 383     u1.f = float32_sub(u1.f, u2.f, &env->spe_status);
 384     return u1.u;
 385 }
 386 static inline uint32_t _do_efsmul (uint32_t op1, uint32_t op2)
 387 {
 388     union {
 389         uint32_t u;
 390         float32 f;
 391     } u1, u2;
 392     u1.u = op1;
 393     u2.u = op2;
 394     u1.f = float32_mul(u1.f, u2.f, &env->spe_status);
 395     return u1.u;
 396 }
 397 static inline uint32_t _do_efsdiv (uint32_t op1, uint32_t op2)
 398 {
 399     union {
 400         uint32_t u;
 401         float32 f;
 402     } u1, u2;
 403     u1.u = op1;
 404     u2.u = op2;
 405     u1.f = float32_div(u1.f, u2.f, &env->spe_status);
 406     return u1.u;
 407 }
 408
 409 static inline int _do_efststlt (uint32_t op1, uint32_t op2)
 410 {
 411     union {
 412         uint32_t u;
 413         float32 f;
 414     } u1, u2;
 415     u1.u = op1;
 416     u2.u = op2;
 417     return float32_lt(u1.f, u2.f, &env->spe_status) ? 1 : 0;
 418 }
 419 static inline int _do_efststgt (uint32_t op1, uint32_t op2)
 420 {
 421     union {
 422         uint32_t u;
 423         float32 f;
 424     } u1, u2;
 425     u1.u = op1;
 426     u2.u = op2;
 427     return float32_le(u1.f, u2.f, &env->spe_status) ? 0 : 1;
 428 }
 429 static inline int _do_efststeq (uint32_t op1, uint32_t op2)
 430 {
 431     union {
 432         uint32_t u;
 433         float32 f;
 434     } u1, u2;
 435     u1.u = op1;
 436     u2.u = op2;
 437     return float32_eq(u1.f, u2.f, &env->spe_status) ? 1 : 0;
 438 }
 439 /* Double precision floating-point helpers */
 440 static inline int _do_efdtstlt (uint64_t op1, uint64_t op2)
 441 {
 442     union {
 443         uint64_t u;
 444         float64 f;
 445     } u1, u2;
 446     u1.u = op1;
 447     u2.u = op2;
 448     return float64_lt(u1.f, u2.f, &env->spe_status) ? 1 : 0;
 449 }
 450 static inline int _do_efdtstgt (uint64_t op1, uint64_t op2)
 451 {
 452     union {
 453         uint64_t u;
 454         float64 f;
 455     } u1, u2;
 456     u1.u = op1;
 457     u2.u = op2;
 458     return float64_le(u1.f, u2.f, &env->spe_status) ? 0 : 1;
 459 }
 460 static inline int _do_efdtsteq (uint64_t op1, uint64_t op2)
 461 {
 462     union {
 463         uint64_t u;
 464         float64 f;
 465     } u1, u2;
 466     u1.u = op1;
 467     u2.u = op2;
 468     return float64_eq(u1.f, u2.f, &env->spe_status) ? 1 : 0;
 469 }
 470 #endif /* defined(TARGET_PPCEMB) */
 471 #endif