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