1 /* 2 * PowerPC emulation for qemu: main translation routines. 3 * 4 * Copyright (c) 2003-2007 Jocelyn Mayer 5 * Copyright (C) 2011 Freescale Semiconductor, Inc. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #include "qemu/osdep.h" 22 #include "cpu.h" 23 #include "internal.h" 24 #include "disas/disas.h" 25 #include "exec/exec-all.h" 26 #include "tcg/tcg-op.h" 27 #include "tcg/tcg-op-gvec.h" 28 #include "qemu/host-utils.h" 29 #include "qemu/main-loop.h" 30 #include "exec/cpu_ldst.h" 31 32 #include "exec/helper-proto.h" 33 #include "exec/helper-gen.h" 34 35 #include "exec/translator.h" 36 #include "exec/log.h" 37 #include "qemu/atomic128.h" 38 #include "spr_tcg.h" 39 40 #include "qemu/qemu-print.h" 41 #include "qapi/error.h" 42 43 #define CPU_SINGLE_STEP 0x1 44 #define CPU_BRANCH_STEP 0x2 45 #define GDBSTUB_SINGLE_STEP 0x4 46 47 /* Include definitions for instructions classes and implementations flags */ 48 /* #define PPC_DEBUG_DISAS */ 49 50 #ifdef PPC_DEBUG_DISAS 51 # define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__) 52 #else 53 # define LOG_DISAS(...) do { } while (0) 54 #endif 55 /*****************************************************************************/ 56 /* Code translation helpers */ 57 58 /* global register indexes */ 59 static char cpu_reg_names[10 * 3 + 22 * 4 /* GPR */ 60 + 10 * 4 + 22 * 5 /* SPE GPRh */ 61 + 8 * 5 /* CRF */]; 62 static TCGv cpu_gpr[32]; 63 static TCGv cpu_gprh[32]; 64 static TCGv_i32 cpu_crf[8]; 65 static TCGv cpu_nip; 66 static TCGv cpu_msr; 67 static TCGv cpu_ctr; 68 static TCGv cpu_lr; 69 #if defined(TARGET_PPC64) 70 static TCGv cpu_cfar; 71 #endif 72 static TCGv cpu_xer, cpu_so, cpu_ov, cpu_ca, cpu_ov32, cpu_ca32; 73 static TCGv cpu_reserve; 74 static TCGv cpu_reserve_val; 75 static TCGv cpu_fpscr; 76 static TCGv_i32 cpu_access_type; 77 78 #include "exec/gen-icount.h" 79 80 void ppc_translate_init(void) 81 { 82 int i; 83 char *p; 84 size_t cpu_reg_names_size; 85 86 p = cpu_reg_names; 87 cpu_reg_names_size = sizeof(cpu_reg_names); 88 89 for (i = 0; i < 8; i++) { 90 snprintf(p, cpu_reg_names_size, "crf%d", i); 91 cpu_crf[i] = tcg_global_mem_new_i32(cpu_env, 92 offsetof(CPUPPCState, crf[i]), p); 93 p += 5; 94 cpu_reg_names_size -= 5; 95 } 96 97 for (i = 0; i < 32; i++) { 98 snprintf(p, cpu_reg_names_size, "r%d", i); 99 cpu_gpr[i] = tcg_global_mem_new(cpu_env, 100 offsetof(CPUPPCState, gpr[i]), p); 101 p += (i < 10) ? 3 : 4; 102 cpu_reg_names_size -= (i < 10) ? 3 : 4; 103 snprintf(p, cpu_reg_names_size, "r%dH", i); 104 cpu_gprh[i] = tcg_global_mem_new(cpu_env, 105 offsetof(CPUPPCState, gprh[i]), p); 106 p += (i < 10) ? 4 : 5; 107 cpu_reg_names_size -= (i < 10) ? 4 : 5; 108 } 109 110 cpu_nip = tcg_global_mem_new(cpu_env, 111 offsetof(CPUPPCState, nip), "nip"); 112 113 cpu_msr = tcg_global_mem_new(cpu_env, 114 offsetof(CPUPPCState, msr), "msr"); 115 116 cpu_ctr = tcg_global_mem_new(cpu_env, 117 offsetof(CPUPPCState, ctr), "ctr"); 118 119 cpu_lr = tcg_global_mem_new(cpu_env, 120 offsetof(CPUPPCState, lr), "lr"); 121 122 #if defined(TARGET_PPC64) 123 cpu_cfar = tcg_global_mem_new(cpu_env, 124 offsetof(CPUPPCState, cfar), "cfar"); 125 #endif 126 127 cpu_xer = tcg_global_mem_new(cpu_env, 128 offsetof(CPUPPCState, xer), "xer"); 129 cpu_so = tcg_global_mem_new(cpu_env, 130 offsetof(CPUPPCState, so), "SO"); 131 cpu_ov = tcg_global_mem_new(cpu_env, 132 offsetof(CPUPPCState, ov), "OV"); 133 cpu_ca = tcg_global_mem_new(cpu_env, 134 offsetof(CPUPPCState, ca), "CA"); 135 cpu_ov32 = tcg_global_mem_new(cpu_env, 136 offsetof(CPUPPCState, ov32), "OV32"); 137 cpu_ca32 = tcg_global_mem_new(cpu_env, 138 offsetof(CPUPPCState, ca32), "CA32"); 139 140 cpu_reserve = tcg_global_mem_new(cpu_env, 141 offsetof(CPUPPCState, reserve_addr), 142 "reserve_addr"); 143 cpu_reserve_val = tcg_global_mem_new(cpu_env, 144 offsetof(CPUPPCState, reserve_val), 145 "reserve_val"); 146 147 cpu_fpscr = tcg_global_mem_new(cpu_env, 148 offsetof(CPUPPCState, fpscr), "fpscr"); 149 150 cpu_access_type = tcg_global_mem_new_i32(cpu_env, 151 offsetof(CPUPPCState, access_type), 152 "access_type"); 153 } 154 155 /* internal defines */ 156 struct DisasContext { 157 DisasContextBase base; 158 target_ulong cia; /* current instruction address */ 159 uint32_t opcode; 160 /* Routine used to access memory */ 161 bool pr, hv, dr, le_mode; 162 bool lazy_tlb_flush; 163 bool need_access_type; 164 int mem_idx; 165 int access_type; 166 /* Translation flags */ 167 MemOp default_tcg_memop_mask; 168 #if defined(TARGET_PPC64) 169 bool sf_mode; 170 bool has_cfar; 171 #endif 172 bool fpu_enabled; 173 bool altivec_enabled; 174 bool vsx_enabled; 175 bool spe_enabled; 176 bool tm_enabled; 177 bool gtse; 178 bool hr; 179 ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */ 180 int singlestep_enabled; 181 uint32_t flags; 182 uint64_t insns_flags; 183 uint64_t insns_flags2; 184 }; 185 186 #define DISAS_EXIT DISAS_TARGET_0 /* exit to main loop, pc updated */ 187 #define DISAS_EXIT_UPDATE DISAS_TARGET_1 /* exit to main loop, pc stale */ 188 #define DISAS_CHAIN DISAS_TARGET_2 /* lookup next tb, pc updated */ 189 #define DISAS_CHAIN_UPDATE DISAS_TARGET_3 /* lookup next tb, pc stale */ 190 191 /* Return true iff byteswap is needed in a scalar memop */ 192 static inline bool need_byteswap(const DisasContext *ctx) 193 { 194 #if defined(TARGET_WORDS_BIGENDIAN) 195 return ctx->le_mode; 196 #else 197 return !ctx->le_mode; 198 #endif 199 } 200 201 /* True when active word size < size of target_long. */ 202 #ifdef TARGET_PPC64 203 # define NARROW_MODE(C) (!(C)->sf_mode) 204 #else 205 # define NARROW_MODE(C) 0 206 #endif 207 208 struct opc_handler_t { 209 /* invalid bits for instruction 1 (Rc(opcode) == 0) */ 210 uint32_t inval1; 211 /* invalid bits for instruction 2 (Rc(opcode) == 1) */ 212 uint32_t inval2; 213 /* instruction type */ 214 uint64_t type; 215 /* extended instruction type */ 216 uint64_t type2; 217 /* handler */ 218 void (*handler)(DisasContext *ctx); 219 }; 220 221 /* SPR load/store helpers */ 222 static inline void gen_load_spr(TCGv t, int reg) 223 { 224 tcg_gen_ld_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg])); 225 } 226 227 static inline void gen_store_spr(int reg, TCGv t) 228 { 229 tcg_gen_st_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg])); 230 } 231 232 static inline void gen_set_access_type(DisasContext *ctx, int access_type) 233 { 234 if (ctx->need_access_type && ctx->access_type != access_type) { 235 tcg_gen_movi_i32(cpu_access_type, access_type); 236 ctx->access_type = access_type; 237 } 238 } 239 240 static inline void gen_update_nip(DisasContext *ctx, target_ulong nip) 241 { 242 if (NARROW_MODE(ctx)) { 243 nip = (uint32_t)nip; 244 } 245 tcg_gen_movi_tl(cpu_nip, nip); 246 } 247 248 static void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error) 249 { 250 TCGv_i32 t0, t1; 251 252 /* 253 * These are all synchronous exceptions, we set the PC back to the 254 * faulting instruction 255 */ 256 gen_update_nip(ctx, ctx->cia); 257 t0 = tcg_const_i32(excp); 258 t1 = tcg_const_i32(error); 259 gen_helper_raise_exception_err(cpu_env, t0, t1); 260 tcg_temp_free_i32(t0); 261 tcg_temp_free_i32(t1); 262 ctx->base.is_jmp = DISAS_NORETURN; 263 } 264 265 static void gen_exception(DisasContext *ctx, uint32_t excp) 266 { 267 TCGv_i32 t0; 268 269 /* 270 * These are all synchronous exceptions, we set the PC back to the 271 * faulting instruction 272 */ 273 gen_update_nip(ctx, ctx->cia); 274 t0 = tcg_const_i32(excp); 275 gen_helper_raise_exception(cpu_env, t0); 276 tcg_temp_free_i32(t0); 277 ctx->base.is_jmp = DISAS_NORETURN; 278 } 279 280 static void gen_exception_nip(DisasContext *ctx, uint32_t excp, 281 target_ulong nip) 282 { 283 TCGv_i32 t0; 284 285 gen_update_nip(ctx, nip); 286 t0 = tcg_const_i32(excp); 287 gen_helper_raise_exception(cpu_env, t0); 288 tcg_temp_free_i32(t0); 289 ctx->base.is_jmp = DISAS_NORETURN; 290 } 291 292 static void gen_icount_io_start(DisasContext *ctx) 293 { 294 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { 295 gen_io_start(); 296 /* 297 * An I/O instruction must be last in the TB. 298 * Chain to the next TB, and let the code from gen_tb_start 299 * decide if we need to return to the main loop. 300 * Doing this first also allows this value to be overridden. 301 */ 302 ctx->base.is_jmp = DISAS_TOO_MANY; 303 } 304 } 305 306 /* 307 * Tells the caller what is the appropriate exception to generate and prepares 308 * SPR registers for this exception. 309 * 310 * The exception can be either POWERPC_EXCP_TRACE (on most PowerPCs) or 311 * POWERPC_EXCP_DEBUG (on BookE). 312 */ 313 static uint32_t gen_prep_dbgex(DisasContext *ctx) 314 { 315 if (ctx->flags & POWERPC_FLAG_DE) { 316 target_ulong dbsr = 0; 317 if (ctx->singlestep_enabled & CPU_SINGLE_STEP) { 318 dbsr = DBCR0_ICMP; 319 } else { 320 /* Must have been branch */ 321 dbsr = DBCR0_BRT; 322 } 323 TCGv t0 = tcg_temp_new(); 324 gen_load_spr(t0, SPR_BOOKE_DBSR); 325 tcg_gen_ori_tl(t0, t0, dbsr); 326 gen_store_spr(SPR_BOOKE_DBSR, t0); 327 tcg_temp_free(t0); 328 return POWERPC_EXCP_DEBUG; 329 } else { 330 return POWERPC_EXCP_TRACE; 331 } 332 } 333 334 static void gen_debug_exception(DisasContext *ctx) 335 { 336 gen_helper_raise_exception(cpu_env, tcg_constant_i32(EXCP_DEBUG)); 337 ctx->base.is_jmp = DISAS_NORETURN; 338 } 339 340 static inline void gen_inval_exception(DisasContext *ctx, uint32_t error) 341 { 342 /* Will be converted to program check if needed */ 343 gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_INVAL | error); 344 } 345 346 static inline void gen_priv_exception(DisasContext *ctx, uint32_t error) 347 { 348 gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_PRIV | error); 349 } 350 351 static inline void gen_hvpriv_exception(DisasContext *ctx, uint32_t error) 352 { 353 /* Will be converted to program check if needed */ 354 gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_PRIV | error); 355 } 356 357 /*****************************************************************************/ 358 /* SPR READ/WRITE CALLBACKS */ 359 360 void spr_noaccess(DisasContext *ctx, int gprn, int sprn) 361 { 362 #if 0 363 sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5); 364 printf("ERROR: try to access SPR %d !\n", sprn); 365 #endif 366 } 367 368 /* #define PPC_DUMP_SPR_ACCESSES */ 369 370 /* 371 * Generic callbacks: 372 * do nothing but store/retrieve spr value 373 */ 374 static void spr_load_dump_spr(int sprn) 375 { 376 #ifdef PPC_DUMP_SPR_ACCESSES 377 TCGv_i32 t0 = tcg_const_i32(sprn); 378 gen_helper_load_dump_spr(cpu_env, t0); 379 tcg_temp_free_i32(t0); 380 #endif 381 } 382 383 void spr_read_generic(DisasContext *ctx, int gprn, int sprn) 384 { 385 gen_load_spr(cpu_gpr[gprn], sprn); 386 spr_load_dump_spr(sprn); 387 } 388 389 static void spr_store_dump_spr(int sprn) 390 { 391 #ifdef PPC_DUMP_SPR_ACCESSES 392 TCGv_i32 t0 = tcg_const_i32(sprn); 393 gen_helper_store_dump_spr(cpu_env, t0); 394 tcg_temp_free_i32(t0); 395 #endif 396 } 397 398 void spr_write_generic(DisasContext *ctx, int sprn, int gprn) 399 { 400 gen_store_spr(sprn, cpu_gpr[gprn]); 401 spr_store_dump_spr(sprn); 402 } 403 404 #if !defined(CONFIG_USER_ONLY) 405 void spr_write_generic32(DisasContext *ctx, int sprn, int gprn) 406 { 407 #ifdef TARGET_PPC64 408 TCGv t0 = tcg_temp_new(); 409 tcg_gen_ext32u_tl(t0, cpu_gpr[gprn]); 410 gen_store_spr(sprn, t0); 411 tcg_temp_free(t0); 412 spr_store_dump_spr(sprn); 413 #else 414 spr_write_generic(ctx, sprn, gprn); 415 #endif 416 } 417 418 void spr_write_clear(DisasContext *ctx, int sprn, int gprn) 419 { 420 TCGv t0 = tcg_temp_new(); 421 TCGv t1 = tcg_temp_new(); 422 gen_load_spr(t0, sprn); 423 tcg_gen_neg_tl(t1, cpu_gpr[gprn]); 424 tcg_gen_and_tl(t0, t0, t1); 425 gen_store_spr(sprn, t0); 426 tcg_temp_free(t0); 427 tcg_temp_free(t1); 428 } 429 430 void spr_access_nop(DisasContext *ctx, int sprn, int gprn) 431 { 432 } 433 434 #endif 435 436 /* SPR common to all PowerPC */ 437 /* XER */ 438 void spr_read_xer(DisasContext *ctx, int gprn, int sprn) 439 { 440 TCGv dst = cpu_gpr[gprn]; 441 TCGv t0 = tcg_temp_new(); 442 TCGv t1 = tcg_temp_new(); 443 TCGv t2 = tcg_temp_new(); 444 tcg_gen_mov_tl(dst, cpu_xer); 445 tcg_gen_shli_tl(t0, cpu_so, XER_SO); 446 tcg_gen_shli_tl(t1, cpu_ov, XER_OV); 447 tcg_gen_shli_tl(t2, cpu_ca, XER_CA); 448 tcg_gen_or_tl(t0, t0, t1); 449 tcg_gen_or_tl(dst, dst, t2); 450 tcg_gen_or_tl(dst, dst, t0); 451 if (is_isa300(ctx)) { 452 tcg_gen_shli_tl(t0, cpu_ov32, XER_OV32); 453 tcg_gen_or_tl(dst, dst, t0); 454 tcg_gen_shli_tl(t0, cpu_ca32, XER_CA32); 455 tcg_gen_or_tl(dst, dst, t0); 456 } 457 tcg_temp_free(t0); 458 tcg_temp_free(t1); 459 tcg_temp_free(t2); 460 } 461 462 void spr_write_xer(DisasContext *ctx, int sprn, int gprn) 463 { 464 TCGv src = cpu_gpr[gprn]; 465 /* Write all flags, while reading back check for isa300 */ 466 tcg_gen_andi_tl(cpu_xer, src, 467 ~((1u << XER_SO) | 468 (1u << XER_OV) | (1u << XER_OV32) | 469 (1u << XER_CA) | (1u << XER_CA32))); 470 tcg_gen_extract_tl(cpu_ov32, src, XER_OV32, 1); 471 tcg_gen_extract_tl(cpu_ca32, src, XER_CA32, 1); 472 tcg_gen_extract_tl(cpu_so, src, XER_SO, 1); 473 tcg_gen_extract_tl(cpu_ov, src, XER_OV, 1); 474 tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1); 475 } 476 477 /* LR */ 478 void spr_read_lr(DisasContext *ctx, int gprn, int sprn) 479 { 480 tcg_gen_mov_tl(cpu_gpr[gprn], cpu_lr); 481 } 482 483 void spr_write_lr(DisasContext *ctx, int sprn, int gprn) 484 { 485 tcg_gen_mov_tl(cpu_lr, cpu_gpr[gprn]); 486 } 487 488 /* CFAR */ 489 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) 490 void spr_read_cfar(DisasContext *ctx, int gprn, int sprn) 491 { 492 tcg_gen_mov_tl(cpu_gpr[gprn], cpu_cfar); 493 } 494 495 void spr_write_cfar(DisasContext *ctx, int sprn, int gprn) 496 { 497 tcg_gen_mov_tl(cpu_cfar, cpu_gpr[gprn]); 498 } 499 #endif /* defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) */ 500 501 /* CTR */ 502 void spr_read_ctr(DisasContext *ctx, int gprn, int sprn) 503 { 504 tcg_gen_mov_tl(cpu_gpr[gprn], cpu_ctr); 505 } 506 507 void spr_write_ctr(DisasContext *ctx, int sprn, int gprn) 508 { 509 tcg_gen_mov_tl(cpu_ctr, cpu_gpr[gprn]); 510 } 511 512 /* User read access to SPR */ 513 /* USPRx */ 514 /* UMMCRx */ 515 /* UPMCx */ 516 /* USIA */ 517 /* UDECR */ 518 void spr_read_ureg(DisasContext *ctx, int gprn, int sprn) 519 { 520 gen_load_spr(cpu_gpr[gprn], sprn + 0x10); 521 } 522 523 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) 524 void spr_write_ureg(DisasContext *ctx, int sprn, int gprn) 525 { 526 gen_store_spr(sprn + 0x10, cpu_gpr[gprn]); 527 } 528 #endif 529 530 /* SPR common to all non-embedded PowerPC */ 531 /* DECR */ 532 #if !defined(CONFIG_USER_ONLY) 533 void spr_read_decr(DisasContext *ctx, int gprn, int sprn) 534 { 535 gen_icount_io_start(ctx); 536 gen_helper_load_decr(cpu_gpr[gprn], cpu_env); 537 } 538 539 void spr_write_decr(DisasContext *ctx, int sprn, int gprn) 540 { 541 gen_icount_io_start(ctx); 542 gen_helper_store_decr(cpu_env, cpu_gpr[gprn]); 543 } 544 #endif 545 546 /* SPR common to all non-embedded PowerPC, except 601 */ 547 /* Time base */ 548 void spr_read_tbl(DisasContext *ctx, int gprn, int sprn) 549 { 550 gen_icount_io_start(ctx); 551 gen_helper_load_tbl(cpu_gpr[gprn], cpu_env); 552 } 553 554 void spr_read_tbu(DisasContext *ctx, int gprn, int sprn) 555 { 556 gen_icount_io_start(ctx); 557 gen_helper_load_tbu(cpu_gpr[gprn], cpu_env); 558 } 559 560 void spr_read_atbl(DisasContext *ctx, int gprn, int sprn) 561 { 562 gen_helper_load_atbl(cpu_gpr[gprn], cpu_env); 563 } 564 565 void spr_read_atbu(DisasContext *ctx, int gprn, int sprn) 566 { 567 gen_helper_load_atbu(cpu_gpr[gprn], cpu_env); 568 } 569 570 #if !defined(CONFIG_USER_ONLY) 571 void spr_write_tbl(DisasContext *ctx, int sprn, int gprn) 572 { 573 gen_icount_io_start(ctx); 574 gen_helper_store_tbl(cpu_env, cpu_gpr[gprn]); 575 } 576 577 void spr_write_tbu(DisasContext *ctx, int sprn, int gprn) 578 { 579 gen_icount_io_start(ctx); 580 gen_helper_store_tbu(cpu_env, cpu_gpr[gprn]); 581 } 582 583 void spr_write_atbl(DisasContext *ctx, int sprn, int gprn) 584 { 585 gen_helper_store_atbl(cpu_env, cpu_gpr[gprn]); 586 } 587 588 void spr_write_atbu(DisasContext *ctx, int sprn, int gprn) 589 { 590 gen_helper_store_atbu(cpu_env, cpu_gpr[gprn]); 591 } 592 593 #if defined(TARGET_PPC64) 594 void spr_read_purr(DisasContext *ctx, int gprn, int sprn) 595 { 596 gen_icount_io_start(ctx); 597 gen_helper_load_purr(cpu_gpr[gprn], cpu_env); 598 } 599 600 void spr_write_purr(DisasContext *ctx, int sprn, int gprn) 601 { 602 gen_icount_io_start(ctx); 603 gen_helper_store_purr(cpu_env, cpu_gpr[gprn]); 604 } 605 606 /* HDECR */ 607 void spr_read_hdecr(DisasContext *ctx, int gprn, int sprn) 608 { 609 gen_icount_io_start(ctx); 610 gen_helper_load_hdecr(cpu_gpr[gprn], cpu_env); 611 } 612 613 void spr_write_hdecr(DisasContext *ctx, int sprn, int gprn) 614 { 615 gen_icount_io_start(ctx); 616 gen_helper_store_hdecr(cpu_env, cpu_gpr[gprn]); 617 } 618 619 void spr_read_vtb(DisasContext *ctx, int gprn, int sprn) 620 { 621 gen_icount_io_start(ctx); 622 gen_helper_load_vtb(cpu_gpr[gprn], cpu_env); 623 } 624 625 void spr_write_vtb(DisasContext *ctx, int sprn, int gprn) 626 { 627 gen_icount_io_start(ctx); 628 gen_helper_store_vtb(cpu_env, cpu_gpr[gprn]); 629 } 630 631 void spr_write_tbu40(DisasContext *ctx, int sprn, int gprn) 632 { 633 gen_icount_io_start(ctx); 634 gen_helper_store_tbu40(cpu_env, cpu_gpr[gprn]); 635 } 636 637 #endif 638 #endif 639 640 #if !defined(CONFIG_USER_ONLY) 641 /* IBAT0U...IBAT0U */ 642 /* IBAT0L...IBAT7L */ 643 void spr_read_ibat(DisasContext *ctx, int gprn, int sprn) 644 { 645 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, 646 offsetof(CPUPPCState, 647 IBAT[sprn & 1][(sprn - SPR_IBAT0U) / 2])); 648 } 649 650 void spr_read_ibat_h(DisasContext *ctx, int gprn, int sprn) 651 { 652 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, 653 offsetof(CPUPPCState, 654 IBAT[sprn & 1][((sprn - SPR_IBAT4U) / 2) + 4])); 655 } 656 657 void spr_write_ibatu(DisasContext *ctx, int sprn, int gprn) 658 { 659 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0U) / 2); 660 gen_helper_store_ibatu(cpu_env, t0, cpu_gpr[gprn]); 661 tcg_temp_free_i32(t0); 662 } 663 664 void spr_write_ibatu_h(DisasContext *ctx, int sprn, int gprn) 665 { 666 TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_IBAT4U) / 2) + 4); 667 gen_helper_store_ibatu(cpu_env, t0, cpu_gpr[gprn]); 668 tcg_temp_free_i32(t0); 669 } 670 671 void spr_write_ibatl(DisasContext *ctx, int sprn, int gprn) 672 { 673 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0L) / 2); 674 gen_helper_store_ibatl(cpu_env, t0, cpu_gpr[gprn]); 675 tcg_temp_free_i32(t0); 676 } 677 678 void spr_write_ibatl_h(DisasContext *ctx, int sprn, int gprn) 679 { 680 TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_IBAT4L) / 2) + 4); 681 gen_helper_store_ibatl(cpu_env, t0, cpu_gpr[gprn]); 682 tcg_temp_free_i32(t0); 683 } 684 685 /* DBAT0U...DBAT7U */ 686 /* DBAT0L...DBAT7L */ 687 void spr_read_dbat(DisasContext *ctx, int gprn, int sprn) 688 { 689 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, 690 offsetof(CPUPPCState, 691 DBAT[sprn & 1][(sprn - SPR_DBAT0U) / 2])); 692 } 693 694 void spr_read_dbat_h(DisasContext *ctx, int gprn, int sprn) 695 { 696 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, 697 offsetof(CPUPPCState, 698 DBAT[sprn & 1][((sprn - SPR_DBAT4U) / 2) + 4])); 699 } 700 701 void spr_write_dbatu(DisasContext *ctx, int sprn, int gprn) 702 { 703 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_DBAT0U) / 2); 704 gen_helper_store_dbatu(cpu_env, t0, cpu_gpr[gprn]); 705 tcg_temp_free_i32(t0); 706 } 707 708 void spr_write_dbatu_h(DisasContext *ctx, int sprn, int gprn) 709 { 710 TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_DBAT4U) / 2) + 4); 711 gen_helper_store_dbatu(cpu_env, t0, cpu_gpr[gprn]); 712 tcg_temp_free_i32(t0); 713 } 714 715 void spr_write_dbatl(DisasContext *ctx, int sprn, int gprn) 716 { 717 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_DBAT0L) / 2); 718 gen_helper_store_dbatl(cpu_env, t0, cpu_gpr[gprn]); 719 tcg_temp_free_i32(t0); 720 } 721 722 void spr_write_dbatl_h(DisasContext *ctx, int sprn, int gprn) 723 { 724 TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_DBAT4L) / 2) + 4); 725 gen_helper_store_dbatl(cpu_env, t0, cpu_gpr[gprn]); 726 tcg_temp_free_i32(t0); 727 } 728 729 /* SDR1 */ 730 void spr_write_sdr1(DisasContext *ctx, int sprn, int gprn) 731 { 732 gen_helper_store_sdr1(cpu_env, cpu_gpr[gprn]); 733 } 734 735 #if defined(TARGET_PPC64) 736 /* 64 bits PowerPC specific SPRs */ 737 /* PIDR */ 738 void spr_write_pidr(DisasContext *ctx, int sprn, int gprn) 739 { 740 gen_helper_store_pidr(cpu_env, cpu_gpr[gprn]); 741 } 742 743 void spr_write_lpidr(DisasContext *ctx, int sprn, int gprn) 744 { 745 gen_helper_store_lpidr(cpu_env, cpu_gpr[gprn]); 746 } 747 748 void spr_read_hior(DisasContext *ctx, int gprn, int sprn) 749 { 750 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, offsetof(CPUPPCState, excp_prefix)); 751 } 752 753 void spr_write_hior(DisasContext *ctx, int sprn, int gprn) 754 { 755 TCGv t0 = tcg_temp_new(); 756 tcg_gen_andi_tl(t0, cpu_gpr[gprn], 0x3FFFFF00000ULL); 757 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, excp_prefix)); 758 tcg_temp_free(t0); 759 } 760 void spr_write_ptcr(DisasContext *ctx, int sprn, int gprn) 761 { 762 gen_helper_store_ptcr(cpu_env, cpu_gpr[gprn]); 763 } 764 765 void spr_write_pcr(DisasContext *ctx, int sprn, int gprn) 766 { 767 gen_helper_store_pcr(cpu_env, cpu_gpr[gprn]); 768 } 769 770 /* DPDES */ 771 void spr_read_dpdes(DisasContext *ctx, int gprn, int sprn) 772 { 773 gen_helper_load_dpdes(cpu_gpr[gprn], cpu_env); 774 } 775 776 void spr_write_dpdes(DisasContext *ctx, int sprn, int gprn) 777 { 778 gen_helper_store_dpdes(cpu_env, cpu_gpr[gprn]); 779 } 780 #endif 781 #endif 782 783 /* PowerPC 601 specific registers */ 784 /* RTC */ 785 void spr_read_601_rtcl(DisasContext *ctx, int gprn, int sprn) 786 { 787 gen_helper_load_601_rtcl(cpu_gpr[gprn], cpu_env); 788 } 789 790 void spr_read_601_rtcu(DisasContext *ctx, int gprn, int sprn) 791 { 792 gen_helper_load_601_rtcu(cpu_gpr[gprn], cpu_env); 793 } 794 795 #if !defined(CONFIG_USER_ONLY) 796 void spr_write_601_rtcu(DisasContext *ctx, int sprn, int gprn) 797 { 798 gen_helper_store_601_rtcu(cpu_env, cpu_gpr[gprn]); 799 } 800 801 void spr_write_601_rtcl(DisasContext *ctx, int sprn, int gprn) 802 { 803 gen_helper_store_601_rtcl(cpu_env, cpu_gpr[gprn]); 804 } 805 806 void spr_write_hid0_601(DisasContext *ctx, int sprn, int gprn) 807 { 808 gen_helper_store_hid0_601(cpu_env, cpu_gpr[gprn]); 809 /* Must stop the translation as endianness may have changed */ 810 ctx->base.is_jmp = DISAS_EXIT_UPDATE; 811 } 812 #endif 813 814 /* Unified bats */ 815 #if !defined(CONFIG_USER_ONLY) 816 void spr_read_601_ubat(DisasContext *ctx, int gprn, int sprn) 817 { 818 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, 819 offsetof(CPUPPCState, 820 IBAT[sprn & 1][(sprn - SPR_IBAT0U) / 2])); 821 } 822 823 void spr_write_601_ubatu(DisasContext *ctx, int sprn, int gprn) 824 { 825 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0U) / 2); 826 gen_helper_store_601_batl(cpu_env, t0, cpu_gpr[gprn]); 827 tcg_temp_free_i32(t0); 828 } 829 830 void spr_write_601_ubatl(DisasContext *ctx, int sprn, int gprn) 831 { 832 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0U) / 2); 833 gen_helper_store_601_batu(cpu_env, t0, cpu_gpr[gprn]); 834 tcg_temp_free_i32(t0); 835 } 836 #endif 837 838 /* PowerPC 40x specific registers */ 839 #if !defined(CONFIG_USER_ONLY) 840 void spr_read_40x_pit(DisasContext *ctx, int gprn, int sprn) 841 { 842 gen_icount_io_start(ctx); 843 gen_helper_load_40x_pit(cpu_gpr[gprn], cpu_env); 844 } 845 846 void spr_write_40x_pit(DisasContext *ctx, int sprn, int gprn) 847 { 848 gen_icount_io_start(ctx); 849 gen_helper_store_40x_pit(cpu_env, cpu_gpr[gprn]); 850 } 851 852 void spr_write_40x_dbcr0(DisasContext *ctx, int sprn, int gprn) 853 { 854 gen_icount_io_start(ctx); 855 gen_store_spr(sprn, cpu_gpr[gprn]); 856 gen_helper_store_40x_dbcr0(cpu_env, cpu_gpr[gprn]); 857 /* We must stop translation as we may have rebooted */ 858 ctx->base.is_jmp = DISAS_EXIT_UPDATE; 859 } 860 861 void spr_write_40x_sler(DisasContext *ctx, int sprn, int gprn) 862 { 863 gen_icount_io_start(ctx); 864 gen_helper_store_40x_sler(cpu_env, cpu_gpr[gprn]); 865 } 866 867 void spr_write_booke_tcr(DisasContext *ctx, int sprn, int gprn) 868 { 869 gen_icount_io_start(ctx); 870 gen_helper_store_booke_tcr(cpu_env, cpu_gpr[gprn]); 871 } 872 873 void spr_write_booke_tsr(DisasContext *ctx, int sprn, int gprn) 874 { 875 gen_icount_io_start(ctx); 876 gen_helper_store_booke_tsr(cpu_env, cpu_gpr[gprn]); 877 } 878 #endif 879 880 /* PowerPC 403 specific registers */ 881 /* PBL1 / PBU1 / PBL2 / PBU2 */ 882 #if !defined(CONFIG_USER_ONLY) 883 void spr_read_403_pbr(DisasContext *ctx, int gprn, int sprn) 884 { 885 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, 886 offsetof(CPUPPCState, pb[sprn - SPR_403_PBL1])); 887 } 888 889 void spr_write_403_pbr(DisasContext *ctx, int sprn, int gprn) 890 { 891 TCGv_i32 t0 = tcg_const_i32(sprn - SPR_403_PBL1); 892 gen_helper_store_403_pbr(cpu_env, t0, cpu_gpr[gprn]); 893 tcg_temp_free_i32(t0); 894 } 895 896 void spr_write_pir(DisasContext *ctx, int sprn, int gprn) 897 { 898 TCGv t0 = tcg_temp_new(); 899 tcg_gen_andi_tl(t0, cpu_gpr[gprn], 0xF); 900 gen_store_spr(SPR_PIR, t0); 901 tcg_temp_free(t0); 902 } 903 #endif 904 905 /* SPE specific registers */ 906 void spr_read_spefscr(DisasContext *ctx, int gprn, int sprn) 907 { 908 TCGv_i32 t0 = tcg_temp_new_i32(); 909 tcg_gen_ld_i32(t0, cpu_env, offsetof(CPUPPCState, spe_fscr)); 910 tcg_gen_extu_i32_tl(cpu_gpr[gprn], t0); 911 tcg_temp_free_i32(t0); 912 } 913 914 void spr_write_spefscr(DisasContext *ctx, int sprn, int gprn) 915 { 916 TCGv_i32 t0 = tcg_temp_new_i32(); 917 tcg_gen_trunc_tl_i32(t0, cpu_gpr[gprn]); 918 tcg_gen_st_i32(t0, cpu_env, offsetof(CPUPPCState, spe_fscr)); 919 tcg_temp_free_i32(t0); 920 } 921 922 #if !defined(CONFIG_USER_ONLY) 923 /* Callback used to write the exception vector base */ 924 void spr_write_excp_prefix(DisasContext *ctx, int sprn, int gprn) 925 { 926 TCGv t0 = tcg_temp_new(); 927 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUPPCState, ivpr_mask)); 928 tcg_gen_and_tl(t0, t0, cpu_gpr[gprn]); 929 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, excp_prefix)); 930 gen_store_spr(sprn, t0); 931 tcg_temp_free(t0); 932 } 933 934 void spr_write_excp_vector(DisasContext *ctx, int sprn, int gprn) 935 { 936 int sprn_offs; 937 938 if (sprn >= SPR_BOOKE_IVOR0 && sprn <= SPR_BOOKE_IVOR15) { 939 sprn_offs = sprn - SPR_BOOKE_IVOR0; 940 } else if (sprn >= SPR_BOOKE_IVOR32 && sprn <= SPR_BOOKE_IVOR37) { 941 sprn_offs = sprn - SPR_BOOKE_IVOR32 + 32; 942 } else if (sprn >= SPR_BOOKE_IVOR38 && sprn <= SPR_BOOKE_IVOR42) { 943 sprn_offs = sprn - SPR_BOOKE_IVOR38 + 38; 944 } else { 945 printf("Trying to write an unknown exception vector %d %03x\n", 946 sprn, sprn); 947 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); 948 return; 949 } 950 951 TCGv t0 = tcg_temp_new(); 952 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUPPCState, ivor_mask)); 953 tcg_gen_and_tl(t0, t0, cpu_gpr[gprn]); 954 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, excp_vectors[sprn_offs])); 955 gen_store_spr(sprn, t0); 956 tcg_temp_free(t0); 957 } 958 #endif 959 960 #ifdef TARGET_PPC64 961 #ifndef CONFIG_USER_ONLY 962 void spr_write_amr(DisasContext *ctx, int sprn, int gprn) 963 { 964 TCGv t0 = tcg_temp_new(); 965 TCGv t1 = tcg_temp_new(); 966 TCGv t2 = tcg_temp_new(); 967 968 /* 969 * Note, the HV=1 PR=0 case is handled earlier by simply using 970 * spr_write_generic for HV mode in the SPR table 971 */ 972 973 /* Build insertion mask into t1 based on context */ 974 if (ctx->pr) { 975 gen_load_spr(t1, SPR_UAMOR); 976 } else { 977 gen_load_spr(t1, SPR_AMOR); 978 } 979 980 /* Mask new bits into t2 */ 981 tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]); 982 983 /* Load AMR and clear new bits in t0 */ 984 gen_load_spr(t0, SPR_AMR); 985 tcg_gen_andc_tl(t0, t0, t1); 986 987 /* Or'in new bits and write it out */ 988 tcg_gen_or_tl(t0, t0, t2); 989 gen_store_spr(SPR_AMR, t0); 990 spr_store_dump_spr(SPR_AMR); 991 992 tcg_temp_free(t0); 993 tcg_temp_free(t1); 994 tcg_temp_free(t2); 995 } 996 997 void spr_write_uamor(DisasContext *ctx, int sprn, int gprn) 998 { 999 TCGv t0 = tcg_temp_new(); 1000 TCGv t1 = tcg_temp_new(); 1001 TCGv t2 = tcg_temp_new(); 1002 1003 /* 1004 * Note, the HV=1 case is handled earlier by simply using 1005 * spr_write_generic for HV mode in the SPR table 1006 */ 1007 1008 /* Build insertion mask into t1 based on context */ 1009 gen_load_spr(t1, SPR_AMOR); 1010 1011 /* Mask new bits into t2 */ 1012 tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]); 1013 1014 /* Load AMR and clear new bits in t0 */ 1015 gen_load_spr(t0, SPR_UAMOR); 1016 tcg_gen_andc_tl(t0, t0, t1); 1017 1018 /* Or'in new bits and write it out */ 1019 tcg_gen_or_tl(t0, t0, t2); 1020 gen_store_spr(SPR_UAMOR, t0); 1021 spr_store_dump_spr(SPR_UAMOR); 1022 1023 tcg_temp_free(t0); 1024 tcg_temp_free(t1); 1025 tcg_temp_free(t2); 1026 } 1027 1028 void spr_write_iamr(DisasContext *ctx, int sprn, int gprn) 1029 { 1030 TCGv t0 = tcg_temp_new(); 1031 TCGv t1 = tcg_temp_new(); 1032 TCGv t2 = tcg_temp_new(); 1033 1034 /* 1035 * Note, the HV=1 case is handled earlier by simply using 1036 * spr_write_generic for HV mode in the SPR table 1037 */ 1038 1039 /* Build insertion mask into t1 based on context */ 1040 gen_load_spr(t1, SPR_AMOR); 1041 1042 /* Mask new bits into t2 */ 1043 tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]); 1044 1045 /* Load AMR and clear new bits in t0 */ 1046 gen_load_spr(t0, SPR_IAMR); 1047 tcg_gen_andc_tl(t0, t0, t1); 1048 1049 /* Or'in new bits and write it out */ 1050 tcg_gen_or_tl(t0, t0, t2); 1051 gen_store_spr(SPR_IAMR, t0); 1052 spr_store_dump_spr(SPR_IAMR); 1053 1054 tcg_temp_free(t0); 1055 tcg_temp_free(t1); 1056 tcg_temp_free(t2); 1057 } 1058 #endif 1059 #endif 1060 1061 #ifndef CONFIG_USER_ONLY 1062 void spr_read_thrm(DisasContext *ctx, int gprn, int sprn) 1063 { 1064 gen_helper_fixup_thrm(cpu_env); 1065 gen_load_spr(cpu_gpr[gprn], sprn); 1066 spr_load_dump_spr(sprn); 1067 } 1068 #endif /* !CONFIG_USER_ONLY */ 1069 1070 #if !defined(CONFIG_USER_ONLY) 1071 void spr_write_e500_l1csr0(DisasContext *ctx, int sprn, int gprn) 1072 { 1073 TCGv t0 = tcg_temp_new(); 1074 1075 tcg_gen_andi_tl(t0, cpu_gpr[gprn], L1CSR0_DCE | L1CSR0_CPE); 1076 gen_store_spr(sprn, t0); 1077 tcg_temp_free(t0); 1078 } 1079 1080 void spr_write_e500_l1csr1(DisasContext *ctx, int sprn, int gprn) 1081 { 1082 TCGv t0 = tcg_temp_new(); 1083 1084 tcg_gen_andi_tl(t0, cpu_gpr[gprn], L1CSR1_ICE | L1CSR1_CPE); 1085 gen_store_spr(sprn, t0); 1086 tcg_temp_free(t0); 1087 } 1088 1089 void spr_write_e500_l2csr0(DisasContext *ctx, int sprn, int gprn) 1090 { 1091 TCGv t0 = tcg_temp_new(); 1092 1093 tcg_gen_andi_tl(t0, cpu_gpr[gprn], 1094 ~(E500_L2CSR0_L2FI | E500_L2CSR0_L2FL | E500_L2CSR0_L2LFC)); 1095 gen_store_spr(sprn, t0); 1096 tcg_temp_free(t0); 1097 } 1098 1099 void spr_write_booke206_mmucsr0(DisasContext *ctx, int sprn, int gprn) 1100 { 1101 gen_helper_booke206_tlbflush(cpu_env, cpu_gpr[gprn]); 1102 } 1103 1104 void spr_write_booke_pid(DisasContext *ctx, int sprn, int gprn) 1105 { 1106 TCGv_i32 t0 = tcg_const_i32(sprn); 1107 gen_helper_booke_setpid(cpu_env, t0, cpu_gpr[gprn]); 1108 tcg_temp_free_i32(t0); 1109 } 1110 void spr_write_eplc(DisasContext *ctx, int sprn, int gprn) 1111 { 1112 gen_helper_booke_set_eplc(cpu_env, cpu_gpr[gprn]); 1113 } 1114 void spr_write_epsc(DisasContext *ctx, int sprn, int gprn) 1115 { 1116 gen_helper_booke_set_epsc(cpu_env, cpu_gpr[gprn]); 1117 } 1118 1119 #endif 1120 1121 #if !defined(CONFIG_USER_ONLY) 1122 void spr_write_mas73(DisasContext *ctx, int sprn, int gprn) 1123 { 1124 TCGv val = tcg_temp_new(); 1125 tcg_gen_ext32u_tl(val, cpu_gpr[gprn]); 1126 gen_store_spr(SPR_BOOKE_MAS3, val); 1127 tcg_gen_shri_tl(val, cpu_gpr[gprn], 32); 1128 gen_store_spr(SPR_BOOKE_MAS7, val); 1129 tcg_temp_free(val); 1130 } 1131 1132 void spr_read_mas73(DisasContext *ctx, int gprn, int sprn) 1133 { 1134 TCGv mas7 = tcg_temp_new(); 1135 TCGv mas3 = tcg_temp_new(); 1136 gen_load_spr(mas7, SPR_BOOKE_MAS7); 1137 tcg_gen_shli_tl(mas7, mas7, 32); 1138 gen_load_spr(mas3, SPR_BOOKE_MAS3); 1139 tcg_gen_or_tl(cpu_gpr[gprn], mas3, mas7); 1140 tcg_temp_free(mas3); 1141 tcg_temp_free(mas7); 1142 } 1143 1144 #endif 1145 1146 #ifdef TARGET_PPC64 1147 static void gen_fscr_facility_check(DisasContext *ctx, int facility_sprn, 1148 int bit, int sprn, int cause) 1149 { 1150 TCGv_i32 t1 = tcg_const_i32(bit); 1151 TCGv_i32 t2 = tcg_const_i32(sprn); 1152 TCGv_i32 t3 = tcg_const_i32(cause); 1153 1154 gen_helper_fscr_facility_check(cpu_env, t1, t2, t3); 1155 1156 tcg_temp_free_i32(t3); 1157 tcg_temp_free_i32(t2); 1158 tcg_temp_free_i32(t1); 1159 } 1160 1161 static void gen_msr_facility_check(DisasContext *ctx, int facility_sprn, 1162 int bit, int sprn, int cause) 1163 { 1164 TCGv_i32 t1 = tcg_const_i32(bit); 1165 TCGv_i32 t2 = tcg_const_i32(sprn); 1166 TCGv_i32 t3 = tcg_const_i32(cause); 1167 1168 gen_helper_msr_facility_check(cpu_env, t1, t2, t3); 1169 1170 tcg_temp_free_i32(t3); 1171 tcg_temp_free_i32(t2); 1172 tcg_temp_free_i32(t1); 1173 } 1174 1175 void spr_read_prev_upper32(DisasContext *ctx, int gprn, int sprn) 1176 { 1177 TCGv spr_up = tcg_temp_new(); 1178 TCGv spr = tcg_temp_new(); 1179 1180 gen_load_spr(spr, sprn - 1); 1181 tcg_gen_shri_tl(spr_up, spr, 32); 1182 tcg_gen_ext32u_tl(cpu_gpr[gprn], spr_up); 1183 1184 tcg_temp_free(spr); 1185 tcg_temp_free(spr_up); 1186 } 1187 1188 void spr_write_prev_upper32(DisasContext *ctx, int sprn, int gprn) 1189 { 1190 TCGv spr = tcg_temp_new(); 1191 1192 gen_load_spr(spr, sprn - 1); 1193 tcg_gen_deposit_tl(spr, spr, cpu_gpr[gprn], 32, 32); 1194 gen_store_spr(sprn - 1, spr); 1195 1196 tcg_temp_free(spr); 1197 } 1198 1199 #if !defined(CONFIG_USER_ONLY) 1200 void spr_write_hmer(DisasContext *ctx, int sprn, int gprn) 1201 { 1202 TCGv hmer = tcg_temp_new(); 1203 1204 gen_load_spr(hmer, sprn); 1205 tcg_gen_and_tl(hmer, cpu_gpr[gprn], hmer); 1206 gen_store_spr(sprn, hmer); 1207 spr_store_dump_spr(sprn); 1208 tcg_temp_free(hmer); 1209 } 1210 1211 void spr_write_lpcr(DisasContext *ctx, int sprn, int gprn) 1212 { 1213 gen_helper_store_lpcr(cpu_env, cpu_gpr[gprn]); 1214 } 1215 #endif /* !defined(CONFIG_USER_ONLY) */ 1216 1217 void spr_read_tar(DisasContext *ctx, int gprn, int sprn) 1218 { 1219 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_TAR, sprn, FSCR_IC_TAR); 1220 spr_read_generic(ctx, gprn, sprn); 1221 } 1222 1223 void spr_write_tar(DisasContext *ctx, int sprn, int gprn) 1224 { 1225 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_TAR, sprn, FSCR_IC_TAR); 1226 spr_write_generic(ctx, sprn, gprn); 1227 } 1228 1229 void spr_read_tm(DisasContext *ctx, int gprn, int sprn) 1230 { 1231 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM); 1232 spr_read_generic(ctx, gprn, sprn); 1233 } 1234 1235 void spr_write_tm(DisasContext *ctx, int sprn, int gprn) 1236 { 1237 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM); 1238 spr_write_generic(ctx, sprn, gprn); 1239 } 1240 1241 void spr_read_tm_upper32(DisasContext *ctx, int gprn, int sprn) 1242 { 1243 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM); 1244 spr_read_prev_upper32(ctx, gprn, sprn); 1245 } 1246 1247 void spr_write_tm_upper32(DisasContext *ctx, int sprn, int gprn) 1248 { 1249 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM); 1250 spr_write_prev_upper32(ctx, sprn, gprn); 1251 } 1252 1253 void spr_read_ebb(DisasContext *ctx, int gprn, int sprn) 1254 { 1255 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB); 1256 spr_read_generic(ctx, gprn, sprn); 1257 } 1258 1259 void spr_write_ebb(DisasContext *ctx, int sprn, int gprn) 1260 { 1261 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB); 1262 spr_write_generic(ctx, sprn, gprn); 1263 } 1264 1265 void spr_read_ebb_upper32(DisasContext *ctx, int gprn, int sprn) 1266 { 1267 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB); 1268 spr_read_prev_upper32(ctx, gprn, sprn); 1269 } 1270 1271 void spr_write_ebb_upper32(DisasContext *ctx, int sprn, int gprn) 1272 { 1273 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB); 1274 spr_write_prev_upper32(ctx, sprn, gprn); 1275 } 1276 #endif 1277 1278 #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \ 1279 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, PPC_NONE) 1280 1281 #define GEN_HANDLER_E(name, opc1, opc2, opc3, inval, type, type2) \ 1282 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, type2) 1283 1284 #define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type) \ 1285 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, PPC_NONE) 1286 1287 #define GEN_HANDLER2_E(name, onam, opc1, opc2, opc3, inval, type, type2) \ 1288 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, type2) 1289 1290 #define GEN_HANDLER_E_2(name, opc1, opc2, opc3, opc4, inval, type, type2) \ 1291 GEN_OPCODE3(name, opc1, opc2, opc3, opc4, inval, type, type2) 1292 1293 #define GEN_HANDLER2_E_2(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) \ 1294 GEN_OPCODE4(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) 1295 1296 typedef struct opcode_t { 1297 unsigned char opc1, opc2, opc3, opc4; 1298 #if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */ 1299 unsigned char pad[4]; 1300 #endif 1301 opc_handler_t handler; 1302 const char *oname; 1303 } opcode_t; 1304 1305 /* Helpers for priv. check */ 1306 #define GEN_PRIV \ 1307 do { \ 1308 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; \ 1309 } while (0) 1310 1311 #if defined(CONFIG_USER_ONLY) 1312 #define CHK_HV GEN_PRIV 1313 #define CHK_SV GEN_PRIV 1314 #define CHK_HVRM GEN_PRIV 1315 #else 1316 #define CHK_HV \ 1317 do { \ 1318 if (unlikely(ctx->pr || !ctx->hv)) { \ 1319 GEN_PRIV; \ 1320 } \ 1321 } while (0) 1322 #define CHK_SV \ 1323 do { \ 1324 if (unlikely(ctx->pr)) { \ 1325 GEN_PRIV; \ 1326 } \ 1327 } while (0) 1328 #define CHK_HVRM \ 1329 do { \ 1330 if (unlikely(ctx->pr || !ctx->hv || ctx->dr)) { \ 1331 GEN_PRIV; \ 1332 } \ 1333 } while (0) 1334 #endif 1335 1336 #define CHK_NONE 1337 1338 /*****************************************************************************/ 1339 /* PowerPC instructions table */ 1340 1341 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2) \ 1342 { \ 1343 .opc1 = op1, \ 1344 .opc2 = op2, \ 1345 .opc3 = op3, \ 1346 .opc4 = 0xff, \ 1347 .handler = { \ 1348 .inval1 = invl, \ 1349 .type = _typ, \ 1350 .type2 = _typ2, \ 1351 .handler = &gen_##name, \ 1352 }, \ 1353 .oname = stringify(name), \ 1354 } 1355 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2) \ 1356 { \ 1357 .opc1 = op1, \ 1358 .opc2 = op2, \ 1359 .opc3 = op3, \ 1360 .opc4 = 0xff, \ 1361 .handler = { \ 1362 .inval1 = invl1, \ 1363 .inval2 = invl2, \ 1364 .type = _typ, \ 1365 .type2 = _typ2, \ 1366 .handler = &gen_##name, \ 1367 }, \ 1368 .oname = stringify(name), \ 1369 } 1370 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2) \ 1371 { \ 1372 .opc1 = op1, \ 1373 .opc2 = op2, \ 1374 .opc3 = op3, \ 1375 .opc4 = 0xff, \ 1376 .handler = { \ 1377 .inval1 = invl, \ 1378 .type = _typ, \ 1379 .type2 = _typ2, \ 1380 .handler = &gen_##name, \ 1381 }, \ 1382 .oname = onam, \ 1383 } 1384 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2) \ 1385 { \ 1386 .opc1 = op1, \ 1387 .opc2 = op2, \ 1388 .opc3 = op3, \ 1389 .opc4 = op4, \ 1390 .handler = { \ 1391 .inval1 = invl, \ 1392 .type = _typ, \ 1393 .type2 = _typ2, \ 1394 .handler = &gen_##name, \ 1395 }, \ 1396 .oname = stringify(name), \ 1397 } 1398 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2) \ 1399 { \ 1400 .opc1 = op1, \ 1401 .opc2 = op2, \ 1402 .opc3 = op3, \ 1403 .opc4 = op4, \ 1404 .handler = { \ 1405 .inval1 = invl, \ 1406 .type = _typ, \ 1407 .type2 = _typ2, \ 1408 .handler = &gen_##name, \ 1409 }, \ 1410 .oname = onam, \ 1411 } 1412 1413 /* Invalid instruction */ 1414 static void gen_invalid(DisasContext *ctx) 1415 { 1416 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 1417 } 1418 1419 static opc_handler_t invalid_handler = { 1420 .inval1 = 0xFFFFFFFF, 1421 .inval2 = 0xFFFFFFFF, 1422 .type = PPC_NONE, 1423 .type2 = PPC_NONE, 1424 .handler = gen_invalid, 1425 }; 1426 1427 /*** Integer comparison ***/ 1428 1429 static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf) 1430 { 1431 TCGv t0 = tcg_temp_new(); 1432 TCGv t1 = tcg_temp_new(); 1433 TCGv_i32 t = tcg_temp_new_i32(); 1434 1435 tcg_gen_movi_tl(t0, CRF_EQ); 1436 tcg_gen_movi_tl(t1, CRF_LT); 1437 tcg_gen_movcond_tl((s ? TCG_COND_LT : TCG_COND_LTU), 1438 t0, arg0, arg1, t1, t0); 1439 tcg_gen_movi_tl(t1, CRF_GT); 1440 tcg_gen_movcond_tl((s ? TCG_COND_GT : TCG_COND_GTU), 1441 t0, arg0, arg1, t1, t0); 1442 1443 tcg_gen_trunc_tl_i32(t, t0); 1444 tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so); 1445 tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t); 1446 1447 tcg_temp_free(t0); 1448 tcg_temp_free(t1); 1449 tcg_temp_free_i32(t); 1450 } 1451 1452 static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf) 1453 { 1454 TCGv t0 = tcg_const_tl(arg1); 1455 gen_op_cmp(arg0, t0, s, crf); 1456 tcg_temp_free(t0); 1457 } 1458 1459 static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf) 1460 { 1461 TCGv t0, t1; 1462 t0 = tcg_temp_new(); 1463 t1 = tcg_temp_new(); 1464 if (s) { 1465 tcg_gen_ext32s_tl(t0, arg0); 1466 tcg_gen_ext32s_tl(t1, arg1); 1467 } else { 1468 tcg_gen_ext32u_tl(t0, arg0); 1469 tcg_gen_ext32u_tl(t1, arg1); 1470 } 1471 gen_op_cmp(t0, t1, s, crf); 1472 tcg_temp_free(t1); 1473 tcg_temp_free(t0); 1474 } 1475 1476 static inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf) 1477 { 1478 TCGv t0 = tcg_const_tl(arg1); 1479 gen_op_cmp32(arg0, t0, s, crf); 1480 tcg_temp_free(t0); 1481 } 1482 1483 static inline void gen_set_Rc0(DisasContext *ctx, TCGv reg) 1484 { 1485 if (NARROW_MODE(ctx)) { 1486 gen_op_cmpi32(reg, 0, 1, 0); 1487 } else { 1488 gen_op_cmpi(reg, 0, 1, 0); 1489 } 1490 } 1491 1492 /* cmprb - range comparison: isupper, isaplha, islower*/ 1493 static void gen_cmprb(DisasContext *ctx) 1494 { 1495 TCGv_i32 src1 = tcg_temp_new_i32(); 1496 TCGv_i32 src2 = tcg_temp_new_i32(); 1497 TCGv_i32 src2lo = tcg_temp_new_i32(); 1498 TCGv_i32 src2hi = tcg_temp_new_i32(); 1499 TCGv_i32 crf = cpu_crf[crfD(ctx->opcode)]; 1500 1501 tcg_gen_trunc_tl_i32(src1, cpu_gpr[rA(ctx->opcode)]); 1502 tcg_gen_trunc_tl_i32(src2, cpu_gpr[rB(ctx->opcode)]); 1503 1504 tcg_gen_andi_i32(src1, src1, 0xFF); 1505 tcg_gen_ext8u_i32(src2lo, src2); 1506 tcg_gen_shri_i32(src2, src2, 8); 1507 tcg_gen_ext8u_i32(src2hi, src2); 1508 1509 tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1); 1510 tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi); 1511 tcg_gen_and_i32(crf, src2lo, src2hi); 1512 1513 if (ctx->opcode & 0x00200000) { 1514 tcg_gen_shri_i32(src2, src2, 8); 1515 tcg_gen_ext8u_i32(src2lo, src2); 1516 tcg_gen_shri_i32(src2, src2, 8); 1517 tcg_gen_ext8u_i32(src2hi, src2); 1518 tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1); 1519 tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi); 1520 tcg_gen_and_i32(src2lo, src2lo, src2hi); 1521 tcg_gen_or_i32(crf, crf, src2lo); 1522 } 1523 tcg_gen_shli_i32(crf, crf, CRF_GT_BIT); 1524 tcg_temp_free_i32(src1); 1525 tcg_temp_free_i32(src2); 1526 tcg_temp_free_i32(src2lo); 1527 tcg_temp_free_i32(src2hi); 1528 } 1529 1530 #if defined(TARGET_PPC64) 1531 /* cmpeqb */ 1532 static void gen_cmpeqb(DisasContext *ctx) 1533 { 1534 gen_helper_cmpeqb(cpu_crf[crfD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1535 cpu_gpr[rB(ctx->opcode)]); 1536 } 1537 #endif 1538 1539 /* isel (PowerPC 2.03 specification) */ 1540 static void gen_isel(DisasContext *ctx) 1541 { 1542 uint32_t bi = rC(ctx->opcode); 1543 uint32_t mask = 0x08 >> (bi & 0x03); 1544 TCGv t0 = tcg_temp_new(); 1545 TCGv zr; 1546 1547 tcg_gen_extu_i32_tl(t0, cpu_crf[bi >> 2]); 1548 tcg_gen_andi_tl(t0, t0, mask); 1549 1550 zr = tcg_const_tl(0); 1551 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rD(ctx->opcode)], t0, zr, 1552 rA(ctx->opcode) ? cpu_gpr[rA(ctx->opcode)] : zr, 1553 cpu_gpr[rB(ctx->opcode)]); 1554 tcg_temp_free(zr); 1555 tcg_temp_free(t0); 1556 } 1557 1558 /* cmpb: PowerPC 2.05 specification */ 1559 static void gen_cmpb(DisasContext *ctx) 1560 { 1561 gen_helper_cmpb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 1562 cpu_gpr[rB(ctx->opcode)]); 1563 } 1564 1565 /*** Integer arithmetic ***/ 1566 1567 static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0, 1568 TCGv arg1, TCGv arg2, int sub) 1569 { 1570 TCGv t0 = tcg_temp_new(); 1571 1572 tcg_gen_xor_tl(cpu_ov, arg0, arg2); 1573 tcg_gen_xor_tl(t0, arg1, arg2); 1574 if (sub) { 1575 tcg_gen_and_tl(cpu_ov, cpu_ov, t0); 1576 } else { 1577 tcg_gen_andc_tl(cpu_ov, cpu_ov, t0); 1578 } 1579 tcg_temp_free(t0); 1580 if (NARROW_MODE(ctx)) { 1581 tcg_gen_extract_tl(cpu_ov, cpu_ov, 31, 1); 1582 if (is_isa300(ctx)) { 1583 tcg_gen_mov_tl(cpu_ov32, cpu_ov); 1584 } 1585 } else { 1586 if (is_isa300(ctx)) { 1587 tcg_gen_extract_tl(cpu_ov32, cpu_ov, 31, 1); 1588 } 1589 tcg_gen_extract_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1, 1); 1590 } 1591 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 1592 } 1593 1594 static inline void gen_op_arith_compute_ca32(DisasContext *ctx, 1595 TCGv res, TCGv arg0, TCGv arg1, 1596 TCGv ca32, int sub) 1597 { 1598 TCGv t0; 1599 1600 if (!is_isa300(ctx)) { 1601 return; 1602 } 1603 1604 t0 = tcg_temp_new(); 1605 if (sub) { 1606 tcg_gen_eqv_tl(t0, arg0, arg1); 1607 } else { 1608 tcg_gen_xor_tl(t0, arg0, arg1); 1609 } 1610 tcg_gen_xor_tl(t0, t0, res); 1611 tcg_gen_extract_tl(ca32, t0, 32, 1); 1612 tcg_temp_free(t0); 1613 } 1614 1615 /* Common add function */ 1616 static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1, 1617 TCGv arg2, TCGv ca, TCGv ca32, 1618 bool add_ca, bool compute_ca, 1619 bool compute_ov, bool compute_rc0) 1620 { 1621 TCGv t0 = ret; 1622 1623 if (compute_ca || compute_ov) { 1624 t0 = tcg_temp_new(); 1625 } 1626 1627 if (compute_ca) { 1628 if (NARROW_MODE(ctx)) { 1629 /* 1630 * Caution: a non-obvious corner case of the spec is that 1631 * we must produce the *entire* 64-bit addition, but 1632 * produce the carry into bit 32. 1633 */ 1634 TCGv t1 = tcg_temp_new(); 1635 tcg_gen_xor_tl(t1, arg1, arg2); /* add without carry */ 1636 tcg_gen_add_tl(t0, arg1, arg2); 1637 if (add_ca) { 1638 tcg_gen_add_tl(t0, t0, ca); 1639 } 1640 tcg_gen_xor_tl(ca, t0, t1); /* bits changed w/ carry */ 1641 tcg_temp_free(t1); 1642 tcg_gen_extract_tl(ca, ca, 32, 1); 1643 if (is_isa300(ctx)) { 1644 tcg_gen_mov_tl(ca32, ca); 1645 } 1646 } else { 1647 TCGv zero = tcg_const_tl(0); 1648 if (add_ca) { 1649 tcg_gen_add2_tl(t0, ca, arg1, zero, ca, zero); 1650 tcg_gen_add2_tl(t0, ca, t0, ca, arg2, zero); 1651 } else { 1652 tcg_gen_add2_tl(t0, ca, arg1, zero, arg2, zero); 1653 } 1654 gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, ca32, 0); 1655 tcg_temp_free(zero); 1656 } 1657 } else { 1658 tcg_gen_add_tl(t0, arg1, arg2); 1659 if (add_ca) { 1660 tcg_gen_add_tl(t0, t0, ca); 1661 } 1662 } 1663 1664 if (compute_ov) { 1665 gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0); 1666 } 1667 if (unlikely(compute_rc0)) { 1668 gen_set_Rc0(ctx, t0); 1669 } 1670 1671 if (t0 != ret) { 1672 tcg_gen_mov_tl(ret, t0); 1673 tcg_temp_free(t0); 1674 } 1675 } 1676 /* Add functions with two operands */ 1677 #define GEN_INT_ARITH_ADD(name, opc3, ca, add_ca, compute_ca, compute_ov) \ 1678 static void glue(gen_, name)(DisasContext *ctx) \ 1679 { \ 1680 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \ 1681 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 1682 ca, glue(ca, 32), \ 1683 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ 1684 } 1685 /* Add functions with one operand and one immediate */ 1686 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, ca, \ 1687 add_ca, compute_ca, compute_ov) \ 1688 static void glue(gen_, name)(DisasContext *ctx) \ 1689 { \ 1690 TCGv t0 = tcg_const_tl(const_val); \ 1691 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \ 1692 cpu_gpr[rA(ctx->opcode)], t0, \ 1693 ca, glue(ca, 32), \ 1694 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ 1695 tcg_temp_free(t0); \ 1696 } 1697 1698 /* add add. addo addo. */ 1699 GEN_INT_ARITH_ADD(add, 0x08, cpu_ca, 0, 0, 0) 1700 GEN_INT_ARITH_ADD(addo, 0x18, cpu_ca, 0, 0, 1) 1701 /* addc addc. addco addco. */ 1702 GEN_INT_ARITH_ADD(addc, 0x00, cpu_ca, 0, 1, 0) 1703 GEN_INT_ARITH_ADD(addco, 0x10, cpu_ca, 0, 1, 1) 1704 /* adde adde. addeo addeo. */ 1705 GEN_INT_ARITH_ADD(adde, 0x04, cpu_ca, 1, 1, 0) 1706 GEN_INT_ARITH_ADD(addeo, 0x14, cpu_ca, 1, 1, 1) 1707 /* addme addme. addmeo addmeo. */ 1708 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, cpu_ca, 1, 1, 0) 1709 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, cpu_ca, 1, 1, 1) 1710 /* addex */ 1711 GEN_INT_ARITH_ADD(addex, 0x05, cpu_ov, 1, 1, 0); 1712 /* addze addze. addzeo addzeo.*/ 1713 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, cpu_ca, 1, 1, 0) 1714 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, cpu_ca, 1, 1, 1) 1715 /* addic addic.*/ 1716 static inline void gen_op_addic(DisasContext *ctx, bool compute_rc0) 1717 { 1718 TCGv c = tcg_const_tl(SIMM(ctx->opcode)); 1719 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1720 c, cpu_ca, cpu_ca32, 0, 1, 0, compute_rc0); 1721 tcg_temp_free(c); 1722 } 1723 1724 static void gen_addic(DisasContext *ctx) 1725 { 1726 gen_op_addic(ctx, 0); 1727 } 1728 1729 static void gen_addic_(DisasContext *ctx) 1730 { 1731 gen_op_addic(ctx, 1); 1732 } 1733 1734 static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1, 1735 TCGv arg2, int sign, int compute_ov) 1736 { 1737 TCGv_i32 t0 = tcg_temp_new_i32(); 1738 TCGv_i32 t1 = tcg_temp_new_i32(); 1739 TCGv_i32 t2 = tcg_temp_new_i32(); 1740 TCGv_i32 t3 = tcg_temp_new_i32(); 1741 1742 tcg_gen_trunc_tl_i32(t0, arg1); 1743 tcg_gen_trunc_tl_i32(t1, arg2); 1744 if (sign) { 1745 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN); 1746 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1); 1747 tcg_gen_and_i32(t2, t2, t3); 1748 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0); 1749 tcg_gen_or_i32(t2, t2, t3); 1750 tcg_gen_movi_i32(t3, 0); 1751 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1); 1752 tcg_gen_div_i32(t3, t0, t1); 1753 tcg_gen_extu_i32_tl(ret, t3); 1754 } else { 1755 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t1, 0); 1756 tcg_gen_movi_i32(t3, 0); 1757 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1); 1758 tcg_gen_divu_i32(t3, t0, t1); 1759 tcg_gen_extu_i32_tl(ret, t3); 1760 } 1761 if (compute_ov) { 1762 tcg_gen_extu_i32_tl(cpu_ov, t2); 1763 if (is_isa300(ctx)) { 1764 tcg_gen_extu_i32_tl(cpu_ov32, t2); 1765 } 1766 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 1767 } 1768 tcg_temp_free_i32(t0); 1769 tcg_temp_free_i32(t1); 1770 tcg_temp_free_i32(t2); 1771 tcg_temp_free_i32(t3); 1772 1773 if (unlikely(Rc(ctx->opcode) != 0)) { 1774 gen_set_Rc0(ctx, ret); 1775 } 1776 } 1777 /* Div functions */ 1778 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \ 1779 static void glue(gen_, name)(DisasContext *ctx) \ 1780 { \ 1781 gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)], \ 1782 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 1783 sign, compute_ov); \ 1784 } 1785 /* divwu divwu. divwuo divwuo. */ 1786 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0); 1787 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1); 1788 /* divw divw. divwo divwo. */ 1789 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0); 1790 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1); 1791 1792 /* div[wd]eu[o][.] */ 1793 #define GEN_DIVE(name, hlpr, compute_ov) \ 1794 static void gen_##name(DisasContext *ctx) \ 1795 { \ 1796 TCGv_i32 t0 = tcg_const_i32(compute_ov); \ 1797 gen_helper_##hlpr(cpu_gpr[rD(ctx->opcode)], cpu_env, \ 1798 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); \ 1799 tcg_temp_free_i32(t0); \ 1800 if (unlikely(Rc(ctx->opcode) != 0)) { \ 1801 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); \ 1802 } \ 1803 } 1804 1805 GEN_DIVE(divweu, divweu, 0); 1806 GEN_DIVE(divweuo, divweu, 1); 1807 GEN_DIVE(divwe, divwe, 0); 1808 GEN_DIVE(divweo, divwe, 1); 1809 1810 #if defined(TARGET_PPC64) 1811 static inline void gen_op_arith_divd(DisasContext *ctx, TCGv ret, TCGv arg1, 1812 TCGv arg2, int sign, int compute_ov) 1813 { 1814 TCGv_i64 t0 = tcg_temp_new_i64(); 1815 TCGv_i64 t1 = tcg_temp_new_i64(); 1816 TCGv_i64 t2 = tcg_temp_new_i64(); 1817 TCGv_i64 t3 = tcg_temp_new_i64(); 1818 1819 tcg_gen_mov_i64(t0, arg1); 1820 tcg_gen_mov_i64(t1, arg2); 1821 if (sign) { 1822 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN); 1823 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1); 1824 tcg_gen_and_i64(t2, t2, t3); 1825 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0); 1826 tcg_gen_or_i64(t2, t2, t3); 1827 tcg_gen_movi_i64(t3, 0); 1828 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1); 1829 tcg_gen_div_i64(ret, t0, t1); 1830 } else { 1831 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t1, 0); 1832 tcg_gen_movi_i64(t3, 0); 1833 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1); 1834 tcg_gen_divu_i64(ret, t0, t1); 1835 } 1836 if (compute_ov) { 1837 tcg_gen_mov_tl(cpu_ov, t2); 1838 if (is_isa300(ctx)) { 1839 tcg_gen_mov_tl(cpu_ov32, t2); 1840 } 1841 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 1842 } 1843 tcg_temp_free_i64(t0); 1844 tcg_temp_free_i64(t1); 1845 tcg_temp_free_i64(t2); 1846 tcg_temp_free_i64(t3); 1847 1848 if (unlikely(Rc(ctx->opcode) != 0)) { 1849 gen_set_Rc0(ctx, ret); 1850 } 1851 } 1852 1853 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \ 1854 static void glue(gen_, name)(DisasContext *ctx) \ 1855 { \ 1856 gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)], \ 1857 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 1858 sign, compute_ov); \ 1859 } 1860 /* divdu divdu. divduo divduo. */ 1861 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0); 1862 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1); 1863 /* divd divd. divdo divdo. */ 1864 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0); 1865 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1); 1866 1867 GEN_DIVE(divdeu, divdeu, 0); 1868 GEN_DIVE(divdeuo, divdeu, 1); 1869 GEN_DIVE(divde, divde, 0); 1870 GEN_DIVE(divdeo, divde, 1); 1871 #endif 1872 1873 static inline void gen_op_arith_modw(DisasContext *ctx, TCGv ret, TCGv arg1, 1874 TCGv arg2, int sign) 1875 { 1876 TCGv_i32 t0 = tcg_temp_new_i32(); 1877 TCGv_i32 t1 = tcg_temp_new_i32(); 1878 1879 tcg_gen_trunc_tl_i32(t0, arg1); 1880 tcg_gen_trunc_tl_i32(t1, arg2); 1881 if (sign) { 1882 TCGv_i32 t2 = tcg_temp_new_i32(); 1883 TCGv_i32 t3 = tcg_temp_new_i32(); 1884 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN); 1885 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1); 1886 tcg_gen_and_i32(t2, t2, t3); 1887 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0); 1888 tcg_gen_or_i32(t2, t2, t3); 1889 tcg_gen_movi_i32(t3, 0); 1890 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1); 1891 tcg_gen_rem_i32(t3, t0, t1); 1892 tcg_gen_ext_i32_tl(ret, t3); 1893 tcg_temp_free_i32(t2); 1894 tcg_temp_free_i32(t3); 1895 } else { 1896 TCGv_i32 t2 = tcg_const_i32(1); 1897 TCGv_i32 t3 = tcg_const_i32(0); 1898 tcg_gen_movcond_i32(TCG_COND_EQ, t1, t1, t3, t2, t1); 1899 tcg_gen_remu_i32(t3, t0, t1); 1900 tcg_gen_extu_i32_tl(ret, t3); 1901 tcg_temp_free_i32(t2); 1902 tcg_temp_free_i32(t3); 1903 } 1904 tcg_temp_free_i32(t0); 1905 tcg_temp_free_i32(t1); 1906 } 1907 1908 #define GEN_INT_ARITH_MODW(name, opc3, sign) \ 1909 static void glue(gen_, name)(DisasContext *ctx) \ 1910 { \ 1911 gen_op_arith_modw(ctx, cpu_gpr[rD(ctx->opcode)], \ 1912 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 1913 sign); \ 1914 } 1915 1916 GEN_INT_ARITH_MODW(moduw, 0x08, 0); 1917 GEN_INT_ARITH_MODW(modsw, 0x18, 1); 1918 1919 #if defined(TARGET_PPC64) 1920 static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1, 1921 TCGv arg2, int sign) 1922 { 1923 TCGv_i64 t0 = tcg_temp_new_i64(); 1924 TCGv_i64 t1 = tcg_temp_new_i64(); 1925 1926 tcg_gen_mov_i64(t0, arg1); 1927 tcg_gen_mov_i64(t1, arg2); 1928 if (sign) { 1929 TCGv_i64 t2 = tcg_temp_new_i64(); 1930 TCGv_i64 t3 = tcg_temp_new_i64(); 1931 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN); 1932 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1); 1933 tcg_gen_and_i64(t2, t2, t3); 1934 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0); 1935 tcg_gen_or_i64(t2, t2, t3); 1936 tcg_gen_movi_i64(t3, 0); 1937 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1); 1938 tcg_gen_rem_i64(ret, t0, t1); 1939 tcg_temp_free_i64(t2); 1940 tcg_temp_free_i64(t3); 1941 } else { 1942 TCGv_i64 t2 = tcg_const_i64(1); 1943 TCGv_i64 t3 = tcg_const_i64(0); 1944 tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1); 1945 tcg_gen_remu_i64(ret, t0, t1); 1946 tcg_temp_free_i64(t2); 1947 tcg_temp_free_i64(t3); 1948 } 1949 tcg_temp_free_i64(t0); 1950 tcg_temp_free_i64(t1); 1951 } 1952 1953 #define GEN_INT_ARITH_MODD(name, opc3, sign) \ 1954 static void glue(gen_, name)(DisasContext *ctx) \ 1955 { \ 1956 gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)], \ 1957 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 1958 sign); \ 1959 } 1960 1961 GEN_INT_ARITH_MODD(modud, 0x08, 0); 1962 GEN_INT_ARITH_MODD(modsd, 0x18, 1); 1963 #endif 1964 1965 /* mulhw mulhw. */ 1966 static void gen_mulhw(DisasContext *ctx) 1967 { 1968 TCGv_i32 t0 = tcg_temp_new_i32(); 1969 TCGv_i32 t1 = tcg_temp_new_i32(); 1970 1971 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); 1972 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); 1973 tcg_gen_muls2_i32(t0, t1, t0, t1); 1974 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1); 1975 tcg_temp_free_i32(t0); 1976 tcg_temp_free_i32(t1); 1977 if (unlikely(Rc(ctx->opcode) != 0)) { 1978 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 1979 } 1980 } 1981 1982 /* mulhwu mulhwu. */ 1983 static void gen_mulhwu(DisasContext *ctx) 1984 { 1985 TCGv_i32 t0 = tcg_temp_new_i32(); 1986 TCGv_i32 t1 = tcg_temp_new_i32(); 1987 1988 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); 1989 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); 1990 tcg_gen_mulu2_i32(t0, t1, t0, t1); 1991 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1); 1992 tcg_temp_free_i32(t0); 1993 tcg_temp_free_i32(t1); 1994 if (unlikely(Rc(ctx->opcode) != 0)) { 1995 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 1996 } 1997 } 1998 1999 /* mullw mullw. */ 2000 static void gen_mullw(DisasContext *ctx) 2001 { 2002 #if defined(TARGET_PPC64) 2003 TCGv_i64 t0, t1; 2004 t0 = tcg_temp_new_i64(); 2005 t1 = tcg_temp_new_i64(); 2006 tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]); 2007 tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]); 2008 tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); 2009 tcg_temp_free(t0); 2010 tcg_temp_free(t1); 2011 #else 2012 tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 2013 cpu_gpr[rB(ctx->opcode)]); 2014 #endif 2015 if (unlikely(Rc(ctx->opcode) != 0)) { 2016 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 2017 } 2018 } 2019 2020 /* mullwo mullwo. */ 2021 static void gen_mullwo(DisasContext *ctx) 2022 { 2023 TCGv_i32 t0 = tcg_temp_new_i32(); 2024 TCGv_i32 t1 = tcg_temp_new_i32(); 2025 2026 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); 2027 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); 2028 tcg_gen_muls2_i32(t0, t1, t0, t1); 2029 #if defined(TARGET_PPC64) 2030 tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); 2031 #else 2032 tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0); 2033 #endif 2034 2035 tcg_gen_sari_i32(t0, t0, 31); 2036 tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1); 2037 tcg_gen_extu_i32_tl(cpu_ov, t0); 2038 if (is_isa300(ctx)) { 2039 tcg_gen_mov_tl(cpu_ov32, cpu_ov); 2040 } 2041 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 2042 2043 tcg_temp_free_i32(t0); 2044 tcg_temp_free_i32(t1); 2045 if (unlikely(Rc(ctx->opcode) != 0)) { 2046 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 2047 } 2048 } 2049 2050 /* mulli */ 2051 static void gen_mulli(DisasContext *ctx) 2052 { 2053 tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 2054 SIMM(ctx->opcode)); 2055 } 2056 2057 #if defined(TARGET_PPC64) 2058 /* mulhd mulhd. */ 2059 static void gen_mulhd(DisasContext *ctx) 2060 { 2061 TCGv lo = tcg_temp_new(); 2062 tcg_gen_muls2_tl(lo, cpu_gpr[rD(ctx->opcode)], 2063 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 2064 tcg_temp_free(lo); 2065 if (unlikely(Rc(ctx->opcode) != 0)) { 2066 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 2067 } 2068 } 2069 2070 /* mulhdu mulhdu. */ 2071 static void gen_mulhdu(DisasContext *ctx) 2072 { 2073 TCGv lo = tcg_temp_new(); 2074 tcg_gen_mulu2_tl(lo, cpu_gpr[rD(ctx->opcode)], 2075 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 2076 tcg_temp_free(lo); 2077 if (unlikely(Rc(ctx->opcode) != 0)) { 2078 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 2079 } 2080 } 2081 2082 /* mulld mulld. */ 2083 static void gen_mulld(DisasContext *ctx) 2084 { 2085 tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 2086 cpu_gpr[rB(ctx->opcode)]); 2087 if (unlikely(Rc(ctx->opcode) != 0)) { 2088 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 2089 } 2090 } 2091 2092 /* mulldo mulldo. */ 2093 static void gen_mulldo(DisasContext *ctx) 2094 { 2095 TCGv_i64 t0 = tcg_temp_new_i64(); 2096 TCGv_i64 t1 = tcg_temp_new_i64(); 2097 2098 tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)], 2099 cpu_gpr[rB(ctx->opcode)]); 2100 tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0); 2101 2102 tcg_gen_sari_i64(t0, t0, 63); 2103 tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1); 2104 if (is_isa300(ctx)) { 2105 tcg_gen_mov_tl(cpu_ov32, cpu_ov); 2106 } 2107 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 2108 2109 tcg_temp_free_i64(t0); 2110 tcg_temp_free_i64(t1); 2111 2112 if (unlikely(Rc(ctx->opcode) != 0)) { 2113 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 2114 } 2115 } 2116 #endif 2117 2118 /* Common subf function */ 2119 static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1, 2120 TCGv arg2, bool add_ca, bool compute_ca, 2121 bool compute_ov, bool compute_rc0) 2122 { 2123 TCGv t0 = ret; 2124 2125 if (compute_ca || compute_ov) { 2126 t0 = tcg_temp_new(); 2127 } 2128 2129 if (compute_ca) { 2130 /* dest = ~arg1 + arg2 [+ ca]. */ 2131 if (NARROW_MODE(ctx)) { 2132 /* 2133 * Caution: a non-obvious corner case of the spec is that 2134 * we must produce the *entire* 64-bit addition, but 2135 * produce the carry into bit 32. 2136 */ 2137 TCGv inv1 = tcg_temp_new(); 2138 TCGv t1 = tcg_temp_new(); 2139 tcg_gen_not_tl(inv1, arg1); 2140 if (add_ca) { 2141 tcg_gen_add_tl(t0, arg2, cpu_ca); 2142 } else { 2143 tcg_gen_addi_tl(t0, arg2, 1); 2144 } 2145 tcg_gen_xor_tl(t1, arg2, inv1); /* add without carry */ 2146 tcg_gen_add_tl(t0, t0, inv1); 2147 tcg_temp_free(inv1); 2148 tcg_gen_xor_tl(cpu_ca, t0, t1); /* bits changes w/ carry */ 2149 tcg_temp_free(t1); 2150 tcg_gen_extract_tl(cpu_ca, cpu_ca, 32, 1); 2151 if (is_isa300(ctx)) { 2152 tcg_gen_mov_tl(cpu_ca32, cpu_ca); 2153 } 2154 } else if (add_ca) { 2155 TCGv zero, inv1 = tcg_temp_new(); 2156 tcg_gen_not_tl(inv1, arg1); 2157 zero = tcg_const_tl(0); 2158 tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero); 2159 tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero); 2160 gen_op_arith_compute_ca32(ctx, t0, inv1, arg2, cpu_ca32, 0); 2161 tcg_temp_free(zero); 2162 tcg_temp_free(inv1); 2163 } else { 2164 tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1); 2165 tcg_gen_sub_tl(t0, arg2, arg1); 2166 gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, cpu_ca32, 1); 2167 } 2168 } else if (add_ca) { 2169 /* 2170 * Since we're ignoring carry-out, we can simplify the 2171 * standard ~arg1 + arg2 + ca to arg2 - arg1 + ca - 1. 2172 */ 2173 tcg_gen_sub_tl(t0, arg2, arg1); 2174 tcg_gen_add_tl(t0, t0, cpu_ca); 2175 tcg_gen_subi_tl(t0, t0, 1); 2176 } else { 2177 tcg_gen_sub_tl(t0, arg2, arg1); 2178 } 2179 2180 if (compute_ov) { 2181 gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1); 2182 } 2183 if (unlikely(compute_rc0)) { 2184 gen_set_Rc0(ctx, t0); 2185 } 2186 2187 if (t0 != ret) { 2188 tcg_gen_mov_tl(ret, t0); 2189 tcg_temp_free(t0); 2190 } 2191 } 2192 /* Sub functions with Two operands functions */ 2193 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \ 2194 static void glue(gen_, name)(DisasContext *ctx) \ 2195 { \ 2196 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \ 2197 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 2198 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ 2199 } 2200 /* Sub functions with one operand and one immediate */ 2201 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \ 2202 add_ca, compute_ca, compute_ov) \ 2203 static void glue(gen_, name)(DisasContext *ctx) \ 2204 { \ 2205 TCGv t0 = tcg_const_tl(const_val); \ 2206 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \ 2207 cpu_gpr[rA(ctx->opcode)], t0, \ 2208 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ 2209 tcg_temp_free(t0); \ 2210 } 2211 /* subf subf. subfo subfo. */ 2212 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0) 2213 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1) 2214 /* subfc subfc. subfco subfco. */ 2215 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0) 2216 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1) 2217 /* subfe subfe. subfeo subfo. */ 2218 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0) 2219 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1) 2220 /* subfme subfme. subfmeo subfmeo. */ 2221 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0) 2222 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1) 2223 /* subfze subfze. subfzeo subfzeo.*/ 2224 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0) 2225 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1) 2226 2227 /* subfic */ 2228 static void gen_subfic(DisasContext *ctx) 2229 { 2230 TCGv c = tcg_const_tl(SIMM(ctx->opcode)); 2231 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 2232 c, 0, 1, 0, 0); 2233 tcg_temp_free(c); 2234 } 2235 2236 /* neg neg. nego nego. */ 2237 static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov) 2238 { 2239 TCGv zero = tcg_const_tl(0); 2240 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 2241 zero, 0, 0, compute_ov, Rc(ctx->opcode)); 2242 tcg_temp_free(zero); 2243 } 2244 2245 static void gen_neg(DisasContext *ctx) 2246 { 2247 tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); 2248 if (unlikely(Rc(ctx->opcode))) { 2249 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 2250 } 2251 } 2252 2253 static void gen_nego(DisasContext *ctx) 2254 { 2255 gen_op_arith_neg(ctx, 1); 2256 } 2257 2258 /*** Integer logical ***/ 2259 #define GEN_LOGICAL2(name, tcg_op, opc, type) \ 2260 static void glue(gen_, name)(DisasContext *ctx) \ 2261 { \ 2262 tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], \ 2263 cpu_gpr[rB(ctx->opcode)]); \ 2264 if (unlikely(Rc(ctx->opcode) != 0)) \ 2265 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \ 2266 } 2267 2268 #define GEN_LOGICAL1(name, tcg_op, opc, type) \ 2269 static void glue(gen_, name)(DisasContext *ctx) \ 2270 { \ 2271 tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); \ 2272 if (unlikely(Rc(ctx->opcode) != 0)) \ 2273 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \ 2274 } 2275 2276 /* and & and. */ 2277 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER); 2278 /* andc & andc. */ 2279 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER); 2280 2281 /* andi. */ 2282 static void gen_andi_(DisasContext *ctx) 2283 { 2284 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 2285 UIMM(ctx->opcode)); 2286 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2287 } 2288 2289 /* andis. */ 2290 static void gen_andis_(DisasContext *ctx) 2291 { 2292 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 2293 UIMM(ctx->opcode) << 16); 2294 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2295 } 2296 2297 /* cntlzw */ 2298 static void gen_cntlzw(DisasContext *ctx) 2299 { 2300 TCGv_i32 t = tcg_temp_new_i32(); 2301 2302 tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]); 2303 tcg_gen_clzi_i32(t, t, 32); 2304 tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t); 2305 tcg_temp_free_i32(t); 2306 2307 if (unlikely(Rc(ctx->opcode) != 0)) { 2308 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2309 } 2310 } 2311 2312 /* cnttzw */ 2313 static void gen_cnttzw(DisasContext *ctx) 2314 { 2315 TCGv_i32 t = tcg_temp_new_i32(); 2316 2317 tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]); 2318 tcg_gen_ctzi_i32(t, t, 32); 2319 tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t); 2320 tcg_temp_free_i32(t); 2321 2322 if (unlikely(Rc(ctx->opcode) != 0)) { 2323 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2324 } 2325 } 2326 2327 /* eqv & eqv. */ 2328 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER); 2329 /* extsb & extsb. */ 2330 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER); 2331 /* extsh & extsh. */ 2332 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER); 2333 /* nand & nand. */ 2334 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER); 2335 /* nor & nor. */ 2336 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER); 2337 2338 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) 2339 static void gen_pause(DisasContext *ctx) 2340 { 2341 TCGv_i32 t0 = tcg_const_i32(0); 2342 tcg_gen_st_i32(t0, cpu_env, 2343 -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted)); 2344 tcg_temp_free_i32(t0); 2345 2346 /* Stop translation, this gives other CPUs a chance to run */ 2347 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 2348 } 2349 #endif /* defined(TARGET_PPC64) */ 2350 2351 /* or & or. */ 2352 static void gen_or(DisasContext *ctx) 2353 { 2354 int rs, ra, rb; 2355 2356 rs = rS(ctx->opcode); 2357 ra = rA(ctx->opcode); 2358 rb = rB(ctx->opcode); 2359 /* Optimisation for mr. ri case */ 2360 if (rs != ra || rs != rb) { 2361 if (rs != rb) { 2362 tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]); 2363 } else { 2364 tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]); 2365 } 2366 if (unlikely(Rc(ctx->opcode) != 0)) { 2367 gen_set_Rc0(ctx, cpu_gpr[ra]); 2368 } 2369 } else if (unlikely(Rc(ctx->opcode) != 0)) { 2370 gen_set_Rc0(ctx, cpu_gpr[rs]); 2371 #if defined(TARGET_PPC64) 2372 } else if (rs != 0) { /* 0 is nop */ 2373 int prio = 0; 2374 2375 switch (rs) { 2376 case 1: 2377 /* Set process priority to low */ 2378 prio = 2; 2379 break; 2380 case 6: 2381 /* Set process priority to medium-low */ 2382 prio = 3; 2383 break; 2384 case 2: 2385 /* Set process priority to normal */ 2386 prio = 4; 2387 break; 2388 #if !defined(CONFIG_USER_ONLY) 2389 case 31: 2390 if (!ctx->pr) { 2391 /* Set process priority to very low */ 2392 prio = 1; 2393 } 2394 break; 2395 case 5: 2396 if (!ctx->pr) { 2397 /* Set process priority to medium-hight */ 2398 prio = 5; 2399 } 2400 break; 2401 case 3: 2402 if (!ctx->pr) { 2403 /* Set process priority to high */ 2404 prio = 6; 2405 } 2406 break; 2407 case 7: 2408 if (ctx->hv && !ctx->pr) { 2409 /* Set process priority to very high */ 2410 prio = 7; 2411 } 2412 break; 2413 #endif 2414 default: 2415 break; 2416 } 2417 if (prio) { 2418 TCGv t0 = tcg_temp_new(); 2419 gen_load_spr(t0, SPR_PPR); 2420 tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL); 2421 tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50); 2422 gen_store_spr(SPR_PPR, t0); 2423 tcg_temp_free(t0); 2424 } 2425 #if !defined(CONFIG_USER_ONLY) 2426 /* 2427 * Pause out of TCG otherwise spin loops with smt_low eat too 2428 * much CPU and the kernel hangs. This applies to all 2429 * encodings other than no-op, e.g., miso(rs=26), yield(27), 2430 * mdoio(29), mdoom(30), and all currently undefined. 2431 */ 2432 gen_pause(ctx); 2433 #endif 2434 #endif 2435 } 2436 } 2437 /* orc & orc. */ 2438 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER); 2439 2440 /* xor & xor. */ 2441 static void gen_xor(DisasContext *ctx) 2442 { 2443 /* Optimisation for "set to zero" case */ 2444 if (rS(ctx->opcode) != rB(ctx->opcode)) { 2445 tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 2446 cpu_gpr[rB(ctx->opcode)]); 2447 } else { 2448 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); 2449 } 2450 if (unlikely(Rc(ctx->opcode) != 0)) { 2451 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2452 } 2453 } 2454 2455 /* ori */ 2456 static void gen_ori(DisasContext *ctx) 2457 { 2458 target_ulong uimm = UIMM(ctx->opcode); 2459 2460 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { 2461 return; 2462 } 2463 tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm); 2464 } 2465 2466 /* oris */ 2467 static void gen_oris(DisasContext *ctx) 2468 { 2469 target_ulong uimm = UIMM(ctx->opcode); 2470 2471 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { 2472 /* NOP */ 2473 return; 2474 } 2475 tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 2476 uimm << 16); 2477 } 2478 2479 /* xori */ 2480 static void gen_xori(DisasContext *ctx) 2481 { 2482 target_ulong uimm = UIMM(ctx->opcode); 2483 2484 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { 2485 /* NOP */ 2486 return; 2487 } 2488 tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm); 2489 } 2490 2491 /* xoris */ 2492 static void gen_xoris(DisasContext *ctx) 2493 { 2494 target_ulong uimm = UIMM(ctx->opcode); 2495 2496 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { 2497 /* NOP */ 2498 return; 2499 } 2500 tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 2501 uimm << 16); 2502 } 2503 2504 /* popcntb : PowerPC 2.03 specification */ 2505 static void gen_popcntb(DisasContext *ctx) 2506 { 2507 gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); 2508 } 2509 2510 static void gen_popcntw(DisasContext *ctx) 2511 { 2512 #if defined(TARGET_PPC64) 2513 gen_helper_popcntw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); 2514 #else 2515 tcg_gen_ctpop_i32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); 2516 #endif 2517 } 2518 2519 #if defined(TARGET_PPC64) 2520 /* popcntd: PowerPC 2.06 specification */ 2521 static void gen_popcntd(DisasContext *ctx) 2522 { 2523 tcg_gen_ctpop_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); 2524 } 2525 #endif 2526 2527 /* prtyw: PowerPC 2.05 specification */ 2528 static void gen_prtyw(DisasContext *ctx) 2529 { 2530 TCGv ra = cpu_gpr[rA(ctx->opcode)]; 2531 TCGv rs = cpu_gpr[rS(ctx->opcode)]; 2532 TCGv t0 = tcg_temp_new(); 2533 tcg_gen_shri_tl(t0, rs, 16); 2534 tcg_gen_xor_tl(ra, rs, t0); 2535 tcg_gen_shri_tl(t0, ra, 8); 2536 tcg_gen_xor_tl(ra, ra, t0); 2537 tcg_gen_andi_tl(ra, ra, (target_ulong)0x100000001ULL); 2538 tcg_temp_free(t0); 2539 } 2540 2541 #if defined(TARGET_PPC64) 2542 /* prtyd: PowerPC 2.05 specification */ 2543 static void gen_prtyd(DisasContext *ctx) 2544 { 2545 TCGv ra = cpu_gpr[rA(ctx->opcode)]; 2546 TCGv rs = cpu_gpr[rS(ctx->opcode)]; 2547 TCGv t0 = tcg_temp_new(); 2548 tcg_gen_shri_tl(t0, rs, 32); 2549 tcg_gen_xor_tl(ra, rs, t0); 2550 tcg_gen_shri_tl(t0, ra, 16); 2551 tcg_gen_xor_tl(ra, ra, t0); 2552 tcg_gen_shri_tl(t0, ra, 8); 2553 tcg_gen_xor_tl(ra, ra, t0); 2554 tcg_gen_andi_tl(ra, ra, 1); 2555 tcg_temp_free(t0); 2556 } 2557 #endif 2558 2559 #if defined(TARGET_PPC64) 2560 /* bpermd */ 2561 static void gen_bpermd(DisasContext *ctx) 2562 { 2563 gen_helper_bpermd(cpu_gpr[rA(ctx->opcode)], 2564 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 2565 } 2566 #endif 2567 2568 #if defined(TARGET_PPC64) 2569 /* extsw & extsw. */ 2570 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B); 2571 2572 /* cntlzd */ 2573 static void gen_cntlzd(DisasContext *ctx) 2574 { 2575 tcg_gen_clzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64); 2576 if (unlikely(Rc(ctx->opcode) != 0)) { 2577 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2578 } 2579 } 2580 2581 /* cnttzd */ 2582 static void gen_cnttzd(DisasContext *ctx) 2583 { 2584 tcg_gen_ctzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64); 2585 if (unlikely(Rc(ctx->opcode) != 0)) { 2586 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2587 } 2588 } 2589 2590 /* darn */ 2591 static void gen_darn(DisasContext *ctx) 2592 { 2593 int l = L(ctx->opcode); 2594 2595 if (l > 2) { 2596 tcg_gen_movi_i64(cpu_gpr[rD(ctx->opcode)], -1); 2597 } else { 2598 gen_icount_io_start(ctx); 2599 if (l == 0) { 2600 gen_helper_darn32(cpu_gpr[rD(ctx->opcode)]); 2601 } else { 2602 /* Return 64-bit random for both CRN and RRN */ 2603 gen_helper_darn64(cpu_gpr[rD(ctx->opcode)]); 2604 } 2605 } 2606 } 2607 #endif 2608 2609 /*** Integer rotate ***/ 2610 2611 /* rlwimi & rlwimi. */ 2612 static void gen_rlwimi(DisasContext *ctx) 2613 { 2614 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 2615 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 2616 uint32_t sh = SH(ctx->opcode); 2617 uint32_t mb = MB(ctx->opcode); 2618 uint32_t me = ME(ctx->opcode); 2619 2620 if (sh == (31 - me) && mb <= me) { 2621 tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1); 2622 } else { 2623 target_ulong mask; 2624 bool mask_in_32b = true; 2625 TCGv t1; 2626 2627 #if defined(TARGET_PPC64) 2628 mb += 32; 2629 me += 32; 2630 #endif 2631 mask = MASK(mb, me); 2632 2633 #if defined(TARGET_PPC64) 2634 if (mask > 0xffffffffu) { 2635 mask_in_32b = false; 2636 } 2637 #endif 2638 t1 = tcg_temp_new(); 2639 if (mask_in_32b) { 2640 TCGv_i32 t0 = tcg_temp_new_i32(); 2641 tcg_gen_trunc_tl_i32(t0, t_rs); 2642 tcg_gen_rotli_i32(t0, t0, sh); 2643 tcg_gen_extu_i32_tl(t1, t0); 2644 tcg_temp_free_i32(t0); 2645 } else { 2646 #if defined(TARGET_PPC64) 2647 tcg_gen_deposit_i64(t1, t_rs, t_rs, 32, 32); 2648 tcg_gen_rotli_i64(t1, t1, sh); 2649 #else 2650 g_assert_not_reached(); 2651 #endif 2652 } 2653 2654 tcg_gen_andi_tl(t1, t1, mask); 2655 tcg_gen_andi_tl(t_ra, t_ra, ~mask); 2656 tcg_gen_or_tl(t_ra, t_ra, t1); 2657 tcg_temp_free(t1); 2658 } 2659 if (unlikely(Rc(ctx->opcode) != 0)) { 2660 gen_set_Rc0(ctx, t_ra); 2661 } 2662 } 2663 2664 /* rlwinm & rlwinm. */ 2665 static void gen_rlwinm(DisasContext *ctx) 2666 { 2667 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 2668 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 2669 int sh = SH(ctx->opcode); 2670 int mb = MB(ctx->opcode); 2671 int me = ME(ctx->opcode); 2672 int len = me - mb + 1; 2673 int rsh = (32 - sh) & 31; 2674 2675 if (sh != 0 && len > 0 && me == (31 - sh)) { 2676 tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len); 2677 } else if (me == 31 && rsh + len <= 32) { 2678 tcg_gen_extract_tl(t_ra, t_rs, rsh, len); 2679 } else { 2680 target_ulong mask; 2681 bool mask_in_32b = true; 2682 #if defined(TARGET_PPC64) 2683 mb += 32; 2684 me += 32; 2685 #endif 2686 mask = MASK(mb, me); 2687 #if defined(TARGET_PPC64) 2688 if (mask > 0xffffffffu) { 2689 mask_in_32b = false; 2690 } 2691 #endif 2692 if (mask_in_32b) { 2693 if (sh == 0) { 2694 tcg_gen_andi_tl(t_ra, t_rs, mask); 2695 } else { 2696 TCGv_i32 t0 = tcg_temp_new_i32(); 2697 tcg_gen_trunc_tl_i32(t0, t_rs); 2698 tcg_gen_rotli_i32(t0, t0, sh); 2699 tcg_gen_andi_i32(t0, t0, mask); 2700 tcg_gen_extu_i32_tl(t_ra, t0); 2701 tcg_temp_free_i32(t0); 2702 } 2703 } else { 2704 #if defined(TARGET_PPC64) 2705 tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32); 2706 tcg_gen_rotli_i64(t_ra, t_ra, sh); 2707 tcg_gen_andi_i64(t_ra, t_ra, mask); 2708 #else 2709 g_assert_not_reached(); 2710 #endif 2711 } 2712 } 2713 if (unlikely(Rc(ctx->opcode) != 0)) { 2714 gen_set_Rc0(ctx, t_ra); 2715 } 2716 } 2717 2718 /* rlwnm & rlwnm. */ 2719 static void gen_rlwnm(DisasContext *ctx) 2720 { 2721 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 2722 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 2723 TCGv t_rb = cpu_gpr[rB(ctx->opcode)]; 2724 uint32_t mb = MB(ctx->opcode); 2725 uint32_t me = ME(ctx->opcode); 2726 target_ulong mask; 2727 bool mask_in_32b = true; 2728 2729 #if defined(TARGET_PPC64) 2730 mb += 32; 2731 me += 32; 2732 #endif 2733 mask = MASK(mb, me); 2734 2735 #if defined(TARGET_PPC64) 2736 if (mask > 0xffffffffu) { 2737 mask_in_32b = false; 2738 } 2739 #endif 2740 if (mask_in_32b) { 2741 TCGv_i32 t0 = tcg_temp_new_i32(); 2742 TCGv_i32 t1 = tcg_temp_new_i32(); 2743 tcg_gen_trunc_tl_i32(t0, t_rb); 2744 tcg_gen_trunc_tl_i32(t1, t_rs); 2745 tcg_gen_andi_i32(t0, t0, 0x1f); 2746 tcg_gen_rotl_i32(t1, t1, t0); 2747 tcg_gen_extu_i32_tl(t_ra, t1); 2748 tcg_temp_free_i32(t0); 2749 tcg_temp_free_i32(t1); 2750 } else { 2751 #if defined(TARGET_PPC64) 2752 TCGv_i64 t0 = tcg_temp_new_i64(); 2753 tcg_gen_andi_i64(t0, t_rb, 0x1f); 2754 tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32); 2755 tcg_gen_rotl_i64(t_ra, t_ra, t0); 2756 tcg_temp_free_i64(t0); 2757 #else 2758 g_assert_not_reached(); 2759 #endif 2760 } 2761 2762 tcg_gen_andi_tl(t_ra, t_ra, mask); 2763 2764 if (unlikely(Rc(ctx->opcode) != 0)) { 2765 gen_set_Rc0(ctx, t_ra); 2766 } 2767 } 2768 2769 #if defined(TARGET_PPC64) 2770 #define GEN_PPC64_R2(name, opc1, opc2) \ 2771 static void glue(gen_, name##0)(DisasContext *ctx) \ 2772 { \ 2773 gen_##name(ctx, 0); \ 2774 } \ 2775 \ 2776 static void glue(gen_, name##1)(DisasContext *ctx) \ 2777 { \ 2778 gen_##name(ctx, 1); \ 2779 } 2780 #define GEN_PPC64_R4(name, opc1, opc2) \ 2781 static void glue(gen_, name##0)(DisasContext *ctx) \ 2782 { \ 2783 gen_##name(ctx, 0, 0); \ 2784 } \ 2785 \ 2786 static void glue(gen_, name##1)(DisasContext *ctx) \ 2787 { \ 2788 gen_##name(ctx, 0, 1); \ 2789 } \ 2790 \ 2791 static void glue(gen_, name##2)(DisasContext *ctx) \ 2792 { \ 2793 gen_##name(ctx, 1, 0); \ 2794 } \ 2795 \ 2796 static void glue(gen_, name##3)(DisasContext *ctx) \ 2797 { \ 2798 gen_##name(ctx, 1, 1); \ 2799 } 2800 2801 static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh) 2802 { 2803 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 2804 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 2805 int len = me - mb + 1; 2806 int rsh = (64 - sh) & 63; 2807 2808 if (sh != 0 && len > 0 && me == (63 - sh)) { 2809 tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len); 2810 } else if (me == 63 && rsh + len <= 64) { 2811 tcg_gen_extract_tl(t_ra, t_rs, rsh, len); 2812 } else { 2813 tcg_gen_rotli_tl(t_ra, t_rs, sh); 2814 tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me)); 2815 } 2816 if (unlikely(Rc(ctx->opcode) != 0)) { 2817 gen_set_Rc0(ctx, t_ra); 2818 } 2819 } 2820 2821 /* rldicl - rldicl. */ 2822 static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn) 2823 { 2824 uint32_t sh, mb; 2825 2826 sh = SH(ctx->opcode) | (shn << 5); 2827 mb = MB(ctx->opcode) | (mbn << 5); 2828 gen_rldinm(ctx, mb, 63, sh); 2829 } 2830 GEN_PPC64_R4(rldicl, 0x1E, 0x00); 2831 2832 /* rldicr - rldicr. */ 2833 static inline void gen_rldicr(DisasContext *ctx, int men, int shn) 2834 { 2835 uint32_t sh, me; 2836 2837 sh = SH(ctx->opcode) | (shn << 5); 2838 me = MB(ctx->opcode) | (men << 5); 2839 gen_rldinm(ctx, 0, me, sh); 2840 } 2841 GEN_PPC64_R4(rldicr, 0x1E, 0x02); 2842 2843 /* rldic - rldic. */ 2844 static inline void gen_rldic(DisasContext *ctx, int mbn, int shn) 2845 { 2846 uint32_t sh, mb; 2847 2848 sh = SH(ctx->opcode) | (shn << 5); 2849 mb = MB(ctx->opcode) | (mbn << 5); 2850 gen_rldinm(ctx, mb, 63 - sh, sh); 2851 } 2852 GEN_PPC64_R4(rldic, 0x1E, 0x04); 2853 2854 static void gen_rldnm(DisasContext *ctx, int mb, int me) 2855 { 2856 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 2857 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 2858 TCGv t_rb = cpu_gpr[rB(ctx->opcode)]; 2859 TCGv t0; 2860 2861 t0 = tcg_temp_new(); 2862 tcg_gen_andi_tl(t0, t_rb, 0x3f); 2863 tcg_gen_rotl_tl(t_ra, t_rs, t0); 2864 tcg_temp_free(t0); 2865 2866 tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me)); 2867 if (unlikely(Rc(ctx->opcode) != 0)) { 2868 gen_set_Rc0(ctx, t_ra); 2869 } 2870 } 2871 2872 /* rldcl - rldcl. */ 2873 static inline void gen_rldcl(DisasContext *ctx, int mbn) 2874 { 2875 uint32_t mb; 2876 2877 mb = MB(ctx->opcode) | (mbn << 5); 2878 gen_rldnm(ctx, mb, 63); 2879 } 2880 GEN_PPC64_R2(rldcl, 0x1E, 0x08); 2881 2882 /* rldcr - rldcr. */ 2883 static inline void gen_rldcr(DisasContext *ctx, int men) 2884 { 2885 uint32_t me; 2886 2887 me = MB(ctx->opcode) | (men << 5); 2888 gen_rldnm(ctx, 0, me); 2889 } 2890 GEN_PPC64_R2(rldcr, 0x1E, 0x09); 2891 2892 /* rldimi - rldimi. */ 2893 static void gen_rldimi(DisasContext *ctx, int mbn, int shn) 2894 { 2895 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 2896 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 2897 uint32_t sh = SH(ctx->opcode) | (shn << 5); 2898 uint32_t mb = MB(ctx->opcode) | (mbn << 5); 2899 uint32_t me = 63 - sh; 2900 2901 if (mb <= me) { 2902 tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1); 2903 } else { 2904 target_ulong mask = MASK(mb, me); 2905 TCGv t1 = tcg_temp_new(); 2906 2907 tcg_gen_rotli_tl(t1, t_rs, sh); 2908 tcg_gen_andi_tl(t1, t1, mask); 2909 tcg_gen_andi_tl(t_ra, t_ra, ~mask); 2910 tcg_gen_or_tl(t_ra, t_ra, t1); 2911 tcg_temp_free(t1); 2912 } 2913 if (unlikely(Rc(ctx->opcode) != 0)) { 2914 gen_set_Rc0(ctx, t_ra); 2915 } 2916 } 2917 GEN_PPC64_R4(rldimi, 0x1E, 0x06); 2918 #endif 2919 2920 /*** Integer shift ***/ 2921 2922 /* slw & slw. */ 2923 static void gen_slw(DisasContext *ctx) 2924 { 2925 TCGv t0, t1; 2926 2927 t0 = tcg_temp_new(); 2928 /* AND rS with a mask that is 0 when rB >= 0x20 */ 2929 #if defined(TARGET_PPC64) 2930 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a); 2931 tcg_gen_sari_tl(t0, t0, 0x3f); 2932 #else 2933 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a); 2934 tcg_gen_sari_tl(t0, t0, 0x1f); 2935 #endif 2936 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 2937 t1 = tcg_temp_new(); 2938 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f); 2939 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 2940 tcg_temp_free(t1); 2941 tcg_temp_free(t0); 2942 tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); 2943 if (unlikely(Rc(ctx->opcode) != 0)) { 2944 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2945 } 2946 } 2947 2948 /* sraw & sraw. */ 2949 static void gen_sraw(DisasContext *ctx) 2950 { 2951 gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], cpu_env, 2952 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 2953 if (unlikely(Rc(ctx->opcode) != 0)) { 2954 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2955 } 2956 } 2957 2958 /* srawi & srawi. */ 2959 static void gen_srawi(DisasContext *ctx) 2960 { 2961 int sh = SH(ctx->opcode); 2962 TCGv dst = cpu_gpr[rA(ctx->opcode)]; 2963 TCGv src = cpu_gpr[rS(ctx->opcode)]; 2964 if (sh == 0) { 2965 tcg_gen_ext32s_tl(dst, src); 2966 tcg_gen_movi_tl(cpu_ca, 0); 2967 if (is_isa300(ctx)) { 2968 tcg_gen_movi_tl(cpu_ca32, 0); 2969 } 2970 } else { 2971 TCGv t0; 2972 tcg_gen_ext32s_tl(dst, src); 2973 tcg_gen_andi_tl(cpu_ca, dst, (1ULL << sh) - 1); 2974 t0 = tcg_temp_new(); 2975 tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1); 2976 tcg_gen_and_tl(cpu_ca, cpu_ca, t0); 2977 tcg_temp_free(t0); 2978 tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0); 2979 if (is_isa300(ctx)) { 2980 tcg_gen_mov_tl(cpu_ca32, cpu_ca); 2981 } 2982 tcg_gen_sari_tl(dst, dst, sh); 2983 } 2984 if (unlikely(Rc(ctx->opcode) != 0)) { 2985 gen_set_Rc0(ctx, dst); 2986 } 2987 } 2988 2989 /* srw & srw. */ 2990 static void gen_srw(DisasContext *ctx) 2991 { 2992 TCGv t0, t1; 2993 2994 t0 = tcg_temp_new(); 2995 /* AND rS with a mask that is 0 when rB >= 0x20 */ 2996 #if defined(TARGET_PPC64) 2997 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a); 2998 tcg_gen_sari_tl(t0, t0, 0x3f); 2999 #else 3000 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a); 3001 tcg_gen_sari_tl(t0, t0, 0x1f); 3002 #endif 3003 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 3004 tcg_gen_ext32u_tl(t0, t0); 3005 t1 = tcg_temp_new(); 3006 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f); 3007 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 3008 tcg_temp_free(t1); 3009 tcg_temp_free(t0); 3010 if (unlikely(Rc(ctx->opcode) != 0)) { 3011 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 3012 } 3013 } 3014 3015 #if defined(TARGET_PPC64) 3016 /* sld & sld. */ 3017 static void gen_sld(DisasContext *ctx) 3018 { 3019 TCGv t0, t1; 3020 3021 t0 = tcg_temp_new(); 3022 /* AND rS with a mask that is 0 when rB >= 0x40 */ 3023 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39); 3024 tcg_gen_sari_tl(t0, t0, 0x3f); 3025 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 3026 t1 = tcg_temp_new(); 3027 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f); 3028 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 3029 tcg_temp_free(t1); 3030 tcg_temp_free(t0); 3031 if (unlikely(Rc(ctx->opcode) != 0)) { 3032 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 3033 } 3034 } 3035 3036 /* srad & srad. */ 3037 static void gen_srad(DisasContext *ctx) 3038 { 3039 gen_helper_srad(cpu_gpr[rA(ctx->opcode)], cpu_env, 3040 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 3041 if (unlikely(Rc(ctx->opcode) != 0)) { 3042 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 3043 } 3044 } 3045 /* sradi & sradi. */ 3046 static inline void gen_sradi(DisasContext *ctx, int n) 3047 { 3048 int sh = SH(ctx->opcode) + (n << 5); 3049 TCGv dst = cpu_gpr[rA(ctx->opcode)]; 3050 TCGv src = cpu_gpr[rS(ctx->opcode)]; 3051 if (sh == 0) { 3052 tcg_gen_mov_tl(dst, src); 3053 tcg_gen_movi_tl(cpu_ca, 0); 3054 if (is_isa300(ctx)) { 3055 tcg_gen_movi_tl(cpu_ca32, 0); 3056 } 3057 } else { 3058 TCGv t0; 3059 tcg_gen_andi_tl(cpu_ca, src, (1ULL << sh) - 1); 3060 t0 = tcg_temp_new(); 3061 tcg_gen_sari_tl(t0, src, TARGET_LONG_BITS - 1); 3062 tcg_gen_and_tl(cpu_ca, cpu_ca, t0); 3063 tcg_temp_free(t0); 3064 tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0); 3065 if (is_isa300(ctx)) { 3066 tcg_gen_mov_tl(cpu_ca32, cpu_ca); 3067 } 3068 tcg_gen_sari_tl(dst, src, sh); 3069 } 3070 if (unlikely(Rc(ctx->opcode) != 0)) { 3071 gen_set_Rc0(ctx, dst); 3072 } 3073 } 3074 3075 static void gen_sradi0(DisasContext *ctx) 3076 { 3077 gen_sradi(ctx, 0); 3078 } 3079 3080 static void gen_sradi1(DisasContext *ctx) 3081 { 3082 gen_sradi(ctx, 1); 3083 } 3084 3085 /* extswsli & extswsli. */ 3086 static inline void gen_extswsli(DisasContext *ctx, int n) 3087 { 3088 int sh = SH(ctx->opcode) + (n << 5); 3089 TCGv dst = cpu_gpr[rA(ctx->opcode)]; 3090 TCGv src = cpu_gpr[rS(ctx->opcode)]; 3091 3092 tcg_gen_ext32s_tl(dst, src); 3093 tcg_gen_shli_tl(dst, dst, sh); 3094 if (unlikely(Rc(ctx->opcode) != 0)) { 3095 gen_set_Rc0(ctx, dst); 3096 } 3097 } 3098 3099 static void gen_extswsli0(DisasContext *ctx) 3100 { 3101 gen_extswsli(ctx, 0); 3102 } 3103 3104 static void gen_extswsli1(DisasContext *ctx) 3105 { 3106 gen_extswsli(ctx, 1); 3107 } 3108 3109 /* srd & srd. */ 3110 static void gen_srd(DisasContext *ctx) 3111 { 3112 TCGv t0, t1; 3113 3114 t0 = tcg_temp_new(); 3115 /* AND rS with a mask that is 0 when rB >= 0x40 */ 3116 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39); 3117 tcg_gen_sari_tl(t0, t0, 0x3f); 3118 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 3119 t1 = tcg_temp_new(); 3120 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f); 3121 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 3122 tcg_temp_free(t1); 3123 tcg_temp_free(t0); 3124 if (unlikely(Rc(ctx->opcode) != 0)) { 3125 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 3126 } 3127 } 3128 #endif 3129 3130 /*** Addressing modes ***/ 3131 /* Register indirect with immediate index : EA = (rA|0) + SIMM */ 3132 static inline void gen_addr_imm_index(DisasContext *ctx, TCGv EA, 3133 target_long maskl) 3134 { 3135 target_long simm = SIMM(ctx->opcode); 3136 3137 simm &= ~maskl; 3138 if (rA(ctx->opcode) == 0) { 3139 if (NARROW_MODE(ctx)) { 3140 simm = (uint32_t)simm; 3141 } 3142 tcg_gen_movi_tl(EA, simm); 3143 } else if (likely(simm != 0)) { 3144 tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm); 3145 if (NARROW_MODE(ctx)) { 3146 tcg_gen_ext32u_tl(EA, EA); 3147 } 3148 } else { 3149 if (NARROW_MODE(ctx)) { 3150 tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]); 3151 } else { 3152 tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]); 3153 } 3154 } 3155 } 3156 3157 static inline void gen_addr_reg_index(DisasContext *ctx, TCGv EA) 3158 { 3159 if (rA(ctx->opcode) == 0) { 3160 if (NARROW_MODE(ctx)) { 3161 tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]); 3162 } else { 3163 tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]); 3164 } 3165 } else { 3166 tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 3167 if (NARROW_MODE(ctx)) { 3168 tcg_gen_ext32u_tl(EA, EA); 3169 } 3170 } 3171 } 3172 3173 static inline void gen_addr_register(DisasContext *ctx, TCGv EA) 3174 { 3175 if (rA(ctx->opcode) == 0) { 3176 tcg_gen_movi_tl(EA, 0); 3177 } else if (NARROW_MODE(ctx)) { 3178 tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]); 3179 } else { 3180 tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]); 3181 } 3182 } 3183 3184 static inline void gen_addr_add(DisasContext *ctx, TCGv ret, TCGv arg1, 3185 target_long val) 3186 { 3187 tcg_gen_addi_tl(ret, arg1, val); 3188 if (NARROW_MODE(ctx)) { 3189 tcg_gen_ext32u_tl(ret, ret); 3190 } 3191 } 3192 3193 static inline void gen_align_no_le(DisasContext *ctx) 3194 { 3195 gen_exception_err(ctx, POWERPC_EXCP_ALIGN, 3196 (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE); 3197 } 3198 3199 /*** Integer load ***/ 3200 #define DEF_MEMOP(op) ((op) | ctx->default_tcg_memop_mask) 3201 #define BSWAP_MEMOP(op) ((op) | (ctx->default_tcg_memop_mask ^ MO_BSWAP)) 3202 3203 #define GEN_QEMU_LOAD_TL(ldop, op) \ 3204 static void glue(gen_qemu_, ldop)(DisasContext *ctx, \ 3205 TCGv val, \ 3206 TCGv addr) \ 3207 { \ 3208 tcg_gen_qemu_ld_tl(val, addr, ctx->mem_idx, op); \ 3209 } 3210 3211 GEN_QEMU_LOAD_TL(ld8u, DEF_MEMOP(MO_UB)) 3212 GEN_QEMU_LOAD_TL(ld16u, DEF_MEMOP(MO_UW)) 3213 GEN_QEMU_LOAD_TL(ld16s, DEF_MEMOP(MO_SW)) 3214 GEN_QEMU_LOAD_TL(ld32u, DEF_MEMOP(MO_UL)) 3215 GEN_QEMU_LOAD_TL(ld32s, DEF_MEMOP(MO_SL)) 3216 3217 GEN_QEMU_LOAD_TL(ld16ur, BSWAP_MEMOP(MO_UW)) 3218 GEN_QEMU_LOAD_TL(ld32ur, BSWAP_MEMOP(MO_UL)) 3219 3220 #define GEN_QEMU_LOAD_64(ldop, op) \ 3221 static void glue(gen_qemu_, glue(ldop, _i64))(DisasContext *ctx, \ 3222 TCGv_i64 val, \ 3223 TCGv addr) \ 3224 { \ 3225 tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, op); \ 3226 } 3227 3228 GEN_QEMU_LOAD_64(ld8u, DEF_MEMOP(MO_UB)) 3229 GEN_QEMU_LOAD_64(ld16u, DEF_MEMOP(MO_UW)) 3230 GEN_QEMU_LOAD_64(ld32u, DEF_MEMOP(MO_UL)) 3231 GEN_QEMU_LOAD_64(ld32s, DEF_MEMOP(MO_SL)) 3232 GEN_QEMU_LOAD_64(ld64, DEF_MEMOP(MO_Q)) 3233 3234 #if defined(TARGET_PPC64) 3235 GEN_QEMU_LOAD_64(ld64ur, BSWAP_MEMOP(MO_Q)) 3236 #endif 3237 3238 #define GEN_QEMU_STORE_TL(stop, op) \ 3239 static void glue(gen_qemu_, stop)(DisasContext *ctx, \ 3240 TCGv val, \ 3241 TCGv addr) \ 3242 { \ 3243 tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, op); \ 3244 } 3245 3246 #if defined(TARGET_PPC64) || !defined(CONFIG_USER_ONLY) 3247 GEN_QEMU_STORE_TL(st8, DEF_MEMOP(MO_UB)) 3248 #endif 3249 GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW)) 3250 GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL)) 3251 3252 GEN_QEMU_STORE_TL(st16r, BSWAP_MEMOP(MO_UW)) 3253 GEN_QEMU_STORE_TL(st32r, BSWAP_MEMOP(MO_UL)) 3254 3255 #define GEN_QEMU_STORE_64(stop, op) \ 3256 static void glue(gen_qemu_, glue(stop, _i64))(DisasContext *ctx, \ 3257 TCGv_i64 val, \ 3258 TCGv addr) \ 3259 { \ 3260 tcg_gen_qemu_st_i64(val, addr, ctx->mem_idx, op); \ 3261 } 3262 3263 GEN_QEMU_STORE_64(st8, DEF_MEMOP(MO_UB)) 3264 GEN_QEMU_STORE_64(st16, DEF_MEMOP(MO_UW)) 3265 GEN_QEMU_STORE_64(st32, DEF_MEMOP(MO_UL)) 3266 GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_Q)) 3267 3268 #if defined(TARGET_PPC64) 3269 GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_Q)) 3270 #endif 3271 3272 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \ 3273 static void glue(gen_, name##x)(DisasContext *ctx) \ 3274 { \ 3275 TCGv EA; \ 3276 chk; \ 3277 gen_set_access_type(ctx, ACCESS_INT); \ 3278 EA = tcg_temp_new(); \ 3279 gen_addr_reg_index(ctx, EA); \ 3280 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \ 3281 tcg_temp_free(EA); \ 3282 } 3283 3284 #define GEN_LDX(name, ldop, opc2, opc3, type) \ 3285 GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_NONE) 3286 3287 #define GEN_LDX_HVRM(name, ldop, opc2, opc3, type) \ 3288 GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_HVRM) 3289 3290 #define GEN_LDEPX(name, ldop, opc2, opc3) \ 3291 static void glue(gen_, name##epx)(DisasContext *ctx) \ 3292 { \ 3293 TCGv EA; \ 3294 CHK_SV; \ 3295 gen_set_access_type(ctx, ACCESS_INT); \ 3296 EA = tcg_temp_new(); \ 3297 gen_addr_reg_index(ctx, EA); \ 3298 tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_LOAD, ldop);\ 3299 tcg_temp_free(EA); \ 3300 } 3301 3302 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02) 3303 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08) 3304 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00) 3305 #if defined(TARGET_PPC64) 3306 GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00) 3307 #endif 3308 3309 #if defined(TARGET_PPC64) 3310 /* CI load/store variants */ 3311 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST) 3312 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST) 3313 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST) 3314 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST) 3315 3316 /* lq */ 3317 static void gen_lq(DisasContext *ctx) 3318 { 3319 int ra, rd; 3320 TCGv EA, hi, lo; 3321 3322 /* lq is a legal user mode instruction starting in ISA 2.07 */ 3323 bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0; 3324 bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0; 3325 3326 if (!legal_in_user_mode && ctx->pr) { 3327 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); 3328 return; 3329 } 3330 3331 if (!le_is_supported && ctx->le_mode) { 3332 gen_align_no_le(ctx); 3333 return; 3334 } 3335 ra = rA(ctx->opcode); 3336 rd = rD(ctx->opcode); 3337 if (unlikely((rd & 1) || rd == ra)) { 3338 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 3339 return; 3340 } 3341 3342 gen_set_access_type(ctx, ACCESS_INT); 3343 EA = tcg_temp_new(); 3344 gen_addr_imm_index(ctx, EA, 0x0F); 3345 3346 /* Note that the low part is always in RD+1, even in LE mode. */ 3347 lo = cpu_gpr[rd + 1]; 3348 hi = cpu_gpr[rd]; 3349 3350 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3351 if (HAVE_ATOMIC128) { 3352 TCGv_i32 oi = tcg_temp_new_i32(); 3353 if (ctx->le_mode) { 3354 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ, ctx->mem_idx)); 3355 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi); 3356 } else { 3357 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ, ctx->mem_idx)); 3358 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi); 3359 } 3360 tcg_temp_free_i32(oi); 3361 tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh)); 3362 } else { 3363 /* Restart with exclusive lock. */ 3364 gen_helper_exit_atomic(cpu_env); 3365 ctx->base.is_jmp = DISAS_NORETURN; 3366 } 3367 } else if (ctx->le_mode) { 3368 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEQ); 3369 gen_addr_add(ctx, EA, EA, 8); 3370 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEQ); 3371 } else { 3372 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEQ); 3373 gen_addr_add(ctx, EA, EA, 8); 3374 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEQ); 3375 } 3376 tcg_temp_free(EA); 3377 } 3378 #endif 3379 3380 /*** Integer store ***/ 3381 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \ 3382 static void glue(gen_, name##x)(DisasContext *ctx) \ 3383 { \ 3384 TCGv EA; \ 3385 chk; \ 3386 gen_set_access_type(ctx, ACCESS_INT); \ 3387 EA = tcg_temp_new(); \ 3388 gen_addr_reg_index(ctx, EA); \ 3389 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \ 3390 tcg_temp_free(EA); \ 3391 } 3392 #define GEN_STX(name, stop, opc2, opc3, type) \ 3393 GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_NONE) 3394 3395 #define GEN_STX_HVRM(name, stop, opc2, opc3, type) \ 3396 GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_HVRM) 3397 3398 #define GEN_STEPX(name, stop, opc2, opc3) \ 3399 static void glue(gen_, name##epx)(DisasContext *ctx) \ 3400 { \ 3401 TCGv EA; \ 3402 CHK_SV; \ 3403 gen_set_access_type(ctx, ACCESS_INT); \ 3404 EA = tcg_temp_new(); \ 3405 gen_addr_reg_index(ctx, EA); \ 3406 tcg_gen_qemu_st_tl( \ 3407 cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_STORE, stop); \ 3408 tcg_temp_free(EA); \ 3409 } 3410 3411 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06) 3412 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C) 3413 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04) 3414 #if defined(TARGET_PPC64) 3415 GEN_STEPX(std, DEF_MEMOP(MO_Q), 0x1d, 0x04) 3416 #endif 3417 3418 #if defined(TARGET_PPC64) 3419 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST) 3420 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST) 3421 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST) 3422 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST) 3423 3424 static void gen_std(DisasContext *ctx) 3425 { 3426 int rs; 3427 TCGv EA; 3428 3429 rs = rS(ctx->opcode); 3430 if ((ctx->opcode & 0x3) == 0x2) { /* stq */ 3431 bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0; 3432 bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0; 3433 TCGv hi, lo; 3434 3435 if (!(ctx->insns_flags & PPC_64BX)) { 3436 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 3437 } 3438 3439 if (!legal_in_user_mode && ctx->pr) { 3440 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); 3441 return; 3442 } 3443 3444 if (!le_is_supported && ctx->le_mode) { 3445 gen_align_no_le(ctx); 3446 return; 3447 } 3448 3449 if (unlikely(rs & 1)) { 3450 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 3451 return; 3452 } 3453 gen_set_access_type(ctx, ACCESS_INT); 3454 EA = tcg_temp_new(); 3455 gen_addr_imm_index(ctx, EA, 0x03); 3456 3457 /* Note that the low part is always in RS+1, even in LE mode. */ 3458 lo = cpu_gpr[rs + 1]; 3459 hi = cpu_gpr[rs]; 3460 3461 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3462 if (HAVE_ATOMIC128) { 3463 TCGv_i32 oi = tcg_temp_new_i32(); 3464 if (ctx->le_mode) { 3465 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ, ctx->mem_idx)); 3466 gen_helper_stq_le_parallel(cpu_env, EA, lo, hi, oi); 3467 } else { 3468 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ, ctx->mem_idx)); 3469 gen_helper_stq_be_parallel(cpu_env, EA, lo, hi, oi); 3470 } 3471 tcg_temp_free_i32(oi); 3472 } else { 3473 /* Restart with exclusive lock. */ 3474 gen_helper_exit_atomic(cpu_env); 3475 ctx->base.is_jmp = DISAS_NORETURN; 3476 } 3477 } else if (ctx->le_mode) { 3478 tcg_gen_qemu_st_i64(lo, EA, ctx->mem_idx, MO_LEQ); 3479 gen_addr_add(ctx, EA, EA, 8); 3480 tcg_gen_qemu_st_i64(hi, EA, ctx->mem_idx, MO_LEQ); 3481 } else { 3482 tcg_gen_qemu_st_i64(hi, EA, ctx->mem_idx, MO_BEQ); 3483 gen_addr_add(ctx, EA, EA, 8); 3484 tcg_gen_qemu_st_i64(lo, EA, ctx->mem_idx, MO_BEQ); 3485 } 3486 tcg_temp_free(EA); 3487 } else { 3488 /* std / stdu */ 3489 if (Rc(ctx->opcode)) { 3490 if (unlikely(rA(ctx->opcode) == 0)) { 3491 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 3492 return; 3493 } 3494 } 3495 gen_set_access_type(ctx, ACCESS_INT); 3496 EA = tcg_temp_new(); 3497 gen_addr_imm_index(ctx, EA, 0x03); 3498 gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA); 3499 if (Rc(ctx->opcode)) { 3500 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); 3501 } 3502 tcg_temp_free(EA); 3503 } 3504 } 3505 #endif 3506 /*** Integer load and store with byte reverse ***/ 3507 3508 /* lhbrx */ 3509 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER); 3510 3511 /* lwbrx */ 3512 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER); 3513 3514 #if defined(TARGET_PPC64) 3515 /* ldbrx */ 3516 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE); 3517 /* stdbrx */ 3518 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE); 3519 #endif /* TARGET_PPC64 */ 3520 3521 /* sthbrx */ 3522 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER); 3523 /* stwbrx */ 3524 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER); 3525 3526 /*** Integer load and store multiple ***/ 3527 3528 /* lmw */ 3529 static void gen_lmw(DisasContext *ctx) 3530 { 3531 TCGv t0; 3532 TCGv_i32 t1; 3533 3534 if (ctx->le_mode) { 3535 gen_align_no_le(ctx); 3536 return; 3537 } 3538 gen_set_access_type(ctx, ACCESS_INT); 3539 t0 = tcg_temp_new(); 3540 t1 = tcg_const_i32(rD(ctx->opcode)); 3541 gen_addr_imm_index(ctx, t0, 0); 3542 gen_helper_lmw(cpu_env, t0, t1); 3543 tcg_temp_free(t0); 3544 tcg_temp_free_i32(t1); 3545 } 3546 3547 /* stmw */ 3548 static void gen_stmw(DisasContext *ctx) 3549 { 3550 TCGv t0; 3551 TCGv_i32 t1; 3552 3553 if (ctx->le_mode) { 3554 gen_align_no_le(ctx); 3555 return; 3556 } 3557 gen_set_access_type(ctx, ACCESS_INT); 3558 t0 = tcg_temp_new(); 3559 t1 = tcg_const_i32(rS(ctx->opcode)); 3560 gen_addr_imm_index(ctx, t0, 0); 3561 gen_helper_stmw(cpu_env, t0, t1); 3562 tcg_temp_free(t0); 3563 tcg_temp_free_i32(t1); 3564 } 3565 3566 /*** Integer load and store strings ***/ 3567 3568 /* lswi */ 3569 /* 3570 * PowerPC32 specification says we must generate an exception if rA is 3571 * in the range of registers to be loaded. In an other hand, IBM says 3572 * this is valid, but rA won't be loaded. For now, I'll follow the 3573 * spec... 3574 */ 3575 static void gen_lswi(DisasContext *ctx) 3576 { 3577 TCGv t0; 3578 TCGv_i32 t1, t2; 3579 int nb = NB(ctx->opcode); 3580 int start = rD(ctx->opcode); 3581 int ra = rA(ctx->opcode); 3582 int nr; 3583 3584 if (ctx->le_mode) { 3585 gen_align_no_le(ctx); 3586 return; 3587 } 3588 if (nb == 0) { 3589 nb = 32; 3590 } 3591 nr = DIV_ROUND_UP(nb, 4); 3592 if (unlikely(lsw_reg_in_range(start, nr, ra))) { 3593 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX); 3594 return; 3595 } 3596 gen_set_access_type(ctx, ACCESS_INT); 3597 t0 = tcg_temp_new(); 3598 gen_addr_register(ctx, t0); 3599 t1 = tcg_const_i32(nb); 3600 t2 = tcg_const_i32(start); 3601 gen_helper_lsw(cpu_env, t0, t1, t2); 3602 tcg_temp_free(t0); 3603 tcg_temp_free_i32(t1); 3604 tcg_temp_free_i32(t2); 3605 } 3606 3607 /* lswx */ 3608 static void gen_lswx(DisasContext *ctx) 3609 { 3610 TCGv t0; 3611 TCGv_i32 t1, t2, t3; 3612 3613 if (ctx->le_mode) { 3614 gen_align_no_le(ctx); 3615 return; 3616 } 3617 gen_set_access_type(ctx, ACCESS_INT); 3618 t0 = tcg_temp_new(); 3619 gen_addr_reg_index(ctx, t0); 3620 t1 = tcg_const_i32(rD(ctx->opcode)); 3621 t2 = tcg_const_i32(rA(ctx->opcode)); 3622 t3 = tcg_const_i32(rB(ctx->opcode)); 3623 gen_helper_lswx(cpu_env, t0, t1, t2, t3); 3624 tcg_temp_free(t0); 3625 tcg_temp_free_i32(t1); 3626 tcg_temp_free_i32(t2); 3627 tcg_temp_free_i32(t3); 3628 } 3629 3630 /* stswi */ 3631 static void gen_stswi(DisasContext *ctx) 3632 { 3633 TCGv t0; 3634 TCGv_i32 t1, t2; 3635 int nb = NB(ctx->opcode); 3636 3637 if (ctx->le_mode) { 3638 gen_align_no_le(ctx); 3639 return; 3640 } 3641 gen_set_access_type(ctx, ACCESS_INT); 3642 t0 = tcg_temp_new(); 3643 gen_addr_register(ctx, t0); 3644 if (nb == 0) { 3645 nb = 32; 3646 } 3647 t1 = tcg_const_i32(nb); 3648 t2 = tcg_const_i32(rS(ctx->opcode)); 3649 gen_helper_stsw(cpu_env, t0, t1, t2); 3650 tcg_temp_free(t0); 3651 tcg_temp_free_i32(t1); 3652 tcg_temp_free_i32(t2); 3653 } 3654 3655 /* stswx */ 3656 static void gen_stswx(DisasContext *ctx) 3657 { 3658 TCGv t0; 3659 TCGv_i32 t1, t2; 3660 3661 if (ctx->le_mode) { 3662 gen_align_no_le(ctx); 3663 return; 3664 } 3665 gen_set_access_type(ctx, ACCESS_INT); 3666 t0 = tcg_temp_new(); 3667 gen_addr_reg_index(ctx, t0); 3668 t1 = tcg_temp_new_i32(); 3669 tcg_gen_trunc_tl_i32(t1, cpu_xer); 3670 tcg_gen_andi_i32(t1, t1, 0x7F); 3671 t2 = tcg_const_i32(rS(ctx->opcode)); 3672 gen_helper_stsw(cpu_env, t0, t1, t2); 3673 tcg_temp_free(t0); 3674 tcg_temp_free_i32(t1); 3675 tcg_temp_free_i32(t2); 3676 } 3677 3678 /*** Memory synchronisation ***/ 3679 /* eieio */ 3680 static void gen_eieio(DisasContext *ctx) 3681 { 3682 TCGBar bar = TCG_MO_LD_ST; 3683 3684 /* 3685 * POWER9 has a eieio instruction variant using bit 6 as a hint to 3686 * tell the CPU it is a store-forwarding barrier. 3687 */ 3688 if (ctx->opcode & 0x2000000) { 3689 /* 3690 * ISA says that "Reserved fields in instructions are ignored 3691 * by the processor". So ignore the bit 6 on non-POWER9 CPU but 3692 * as this is not an instruction software should be using, 3693 * complain to the user. 3694 */ 3695 if (!(ctx->insns_flags2 & PPC2_ISA300)) { 3696 qemu_log_mask(LOG_GUEST_ERROR, "invalid eieio using bit 6 at @" 3697 TARGET_FMT_lx "\n", ctx->cia); 3698 } else { 3699 bar = TCG_MO_ST_LD; 3700 } 3701 } 3702 3703 tcg_gen_mb(bar | TCG_BAR_SC); 3704 } 3705 3706 #if !defined(CONFIG_USER_ONLY) 3707 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) 3708 { 3709 TCGv_i32 t; 3710 TCGLabel *l; 3711 3712 if (!ctx->lazy_tlb_flush) { 3713 return; 3714 } 3715 l = gen_new_label(); 3716 t = tcg_temp_new_i32(); 3717 tcg_gen_ld_i32(t, cpu_env, offsetof(CPUPPCState, tlb_need_flush)); 3718 tcg_gen_brcondi_i32(TCG_COND_EQ, t, 0, l); 3719 if (global) { 3720 gen_helper_check_tlb_flush_global(cpu_env); 3721 } else { 3722 gen_helper_check_tlb_flush_local(cpu_env); 3723 } 3724 gen_set_label(l); 3725 tcg_temp_free_i32(t); 3726 } 3727 #else 3728 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) { } 3729 #endif 3730 3731 /* isync */ 3732 static void gen_isync(DisasContext *ctx) 3733 { 3734 /* 3735 * We need to check for a pending TLB flush. This can only happen in 3736 * kernel mode however so check MSR_PR 3737 */ 3738 if (!ctx->pr) { 3739 gen_check_tlb_flush(ctx, false); 3740 } 3741 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC); 3742 ctx->base.is_jmp = DISAS_EXIT_UPDATE; 3743 } 3744 3745 #define MEMOP_GET_SIZE(x) (1 << ((x) & MO_SIZE)) 3746 3747 static void gen_load_locked(DisasContext *ctx, MemOp memop) 3748 { 3749 TCGv gpr = cpu_gpr[rD(ctx->opcode)]; 3750 TCGv t0 = tcg_temp_new(); 3751 3752 gen_set_access_type(ctx, ACCESS_RES); 3753 gen_addr_reg_index(ctx, t0); 3754 tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop | MO_ALIGN); 3755 tcg_gen_mov_tl(cpu_reserve, t0); 3756 tcg_gen_mov_tl(cpu_reserve_val, gpr); 3757 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ); 3758 tcg_temp_free(t0); 3759 } 3760 3761 #define LARX(name, memop) \ 3762 static void gen_##name(DisasContext *ctx) \ 3763 { \ 3764 gen_load_locked(ctx, memop); \ 3765 } 3766 3767 /* lwarx */ 3768 LARX(lbarx, DEF_MEMOP(MO_UB)) 3769 LARX(lharx, DEF_MEMOP(MO_UW)) 3770 LARX(lwarx, DEF_MEMOP(MO_UL)) 3771 3772 static void gen_fetch_inc_conditional(DisasContext *ctx, MemOp memop, 3773 TCGv EA, TCGCond cond, int addend) 3774 { 3775 TCGv t = tcg_temp_new(); 3776 TCGv t2 = tcg_temp_new(); 3777 TCGv u = tcg_temp_new(); 3778 3779 tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop); 3780 tcg_gen_addi_tl(t2, EA, MEMOP_GET_SIZE(memop)); 3781 tcg_gen_qemu_ld_tl(t2, t2, ctx->mem_idx, memop); 3782 tcg_gen_addi_tl(u, t, addend); 3783 3784 /* E.g. for fetch and increment bounded... */ 3785 /* mem(EA,s) = (t != t2 ? u = t + 1 : t) */ 3786 tcg_gen_movcond_tl(cond, u, t, t2, u, t); 3787 tcg_gen_qemu_st_tl(u, EA, ctx->mem_idx, memop); 3788 3789 /* RT = (t != t2 ? t : u = 1<<(s*8-1)) */ 3790 tcg_gen_movi_tl(u, 1 << (MEMOP_GET_SIZE(memop) * 8 - 1)); 3791 tcg_gen_movcond_tl(cond, cpu_gpr[rD(ctx->opcode)], t, t2, t, u); 3792 3793 tcg_temp_free(t); 3794 tcg_temp_free(t2); 3795 tcg_temp_free(u); 3796 } 3797 3798 static void gen_ld_atomic(DisasContext *ctx, MemOp memop) 3799 { 3800 uint32_t gpr_FC = FC(ctx->opcode); 3801 TCGv EA = tcg_temp_new(); 3802 int rt = rD(ctx->opcode); 3803 bool need_serial; 3804 TCGv src, dst; 3805 3806 gen_addr_register(ctx, EA); 3807 dst = cpu_gpr[rt]; 3808 src = cpu_gpr[(rt + 1) & 31]; 3809 3810 need_serial = false; 3811 memop |= MO_ALIGN; 3812 switch (gpr_FC) { 3813 case 0: /* Fetch and add */ 3814 tcg_gen_atomic_fetch_add_tl(dst, EA, src, ctx->mem_idx, memop); 3815 break; 3816 case 1: /* Fetch and xor */ 3817 tcg_gen_atomic_fetch_xor_tl(dst, EA, src, ctx->mem_idx, memop); 3818 break; 3819 case 2: /* Fetch and or */ 3820 tcg_gen_atomic_fetch_or_tl(dst, EA, src, ctx->mem_idx, memop); 3821 break; 3822 case 3: /* Fetch and 'and' */ 3823 tcg_gen_atomic_fetch_and_tl(dst, EA, src, ctx->mem_idx, memop); 3824 break; 3825 case 4: /* Fetch and max unsigned */ 3826 tcg_gen_atomic_fetch_umax_tl(dst, EA, src, ctx->mem_idx, memop); 3827 break; 3828 case 5: /* Fetch and max signed */ 3829 tcg_gen_atomic_fetch_smax_tl(dst, EA, src, ctx->mem_idx, memop); 3830 break; 3831 case 6: /* Fetch and min unsigned */ 3832 tcg_gen_atomic_fetch_umin_tl(dst, EA, src, ctx->mem_idx, memop); 3833 break; 3834 case 7: /* Fetch and min signed */ 3835 tcg_gen_atomic_fetch_smin_tl(dst, EA, src, ctx->mem_idx, memop); 3836 break; 3837 case 8: /* Swap */ 3838 tcg_gen_atomic_xchg_tl(dst, EA, src, ctx->mem_idx, memop); 3839 break; 3840 3841 case 16: /* Compare and swap not equal */ 3842 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3843 need_serial = true; 3844 } else { 3845 TCGv t0 = tcg_temp_new(); 3846 TCGv t1 = tcg_temp_new(); 3847 3848 tcg_gen_qemu_ld_tl(t0, EA, ctx->mem_idx, memop); 3849 if ((memop & MO_SIZE) == MO_64 || TARGET_LONG_BITS == 32) { 3850 tcg_gen_mov_tl(t1, src); 3851 } else { 3852 tcg_gen_ext32u_tl(t1, src); 3853 } 3854 tcg_gen_movcond_tl(TCG_COND_NE, t1, t0, t1, 3855 cpu_gpr[(rt + 2) & 31], t0); 3856 tcg_gen_qemu_st_tl(t1, EA, ctx->mem_idx, memop); 3857 tcg_gen_mov_tl(dst, t0); 3858 3859 tcg_temp_free(t0); 3860 tcg_temp_free(t1); 3861 } 3862 break; 3863 3864 case 24: /* Fetch and increment bounded */ 3865 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3866 need_serial = true; 3867 } else { 3868 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, 1); 3869 } 3870 break; 3871 case 25: /* Fetch and increment equal */ 3872 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3873 need_serial = true; 3874 } else { 3875 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_EQ, 1); 3876 } 3877 break; 3878 case 28: /* Fetch and decrement bounded */ 3879 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3880 need_serial = true; 3881 } else { 3882 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, -1); 3883 } 3884 break; 3885 3886 default: 3887 /* invoke data storage error handler */ 3888 gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL); 3889 } 3890 tcg_temp_free(EA); 3891 3892 if (need_serial) { 3893 /* Restart with exclusive lock. */ 3894 gen_helper_exit_atomic(cpu_env); 3895 ctx->base.is_jmp = DISAS_NORETURN; 3896 } 3897 } 3898 3899 static void gen_lwat(DisasContext *ctx) 3900 { 3901 gen_ld_atomic(ctx, DEF_MEMOP(MO_UL)); 3902 } 3903 3904 #ifdef TARGET_PPC64 3905 static void gen_ldat(DisasContext *ctx) 3906 { 3907 gen_ld_atomic(ctx, DEF_MEMOP(MO_Q)); 3908 } 3909 #endif 3910 3911 static void gen_st_atomic(DisasContext *ctx, MemOp memop) 3912 { 3913 uint32_t gpr_FC = FC(ctx->opcode); 3914 TCGv EA = tcg_temp_new(); 3915 TCGv src, discard; 3916 3917 gen_addr_register(ctx, EA); 3918 src = cpu_gpr[rD(ctx->opcode)]; 3919 discard = tcg_temp_new(); 3920 3921 memop |= MO_ALIGN; 3922 switch (gpr_FC) { 3923 case 0: /* add and Store */ 3924 tcg_gen_atomic_add_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3925 break; 3926 case 1: /* xor and Store */ 3927 tcg_gen_atomic_xor_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3928 break; 3929 case 2: /* Or and Store */ 3930 tcg_gen_atomic_or_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3931 break; 3932 case 3: /* 'and' and Store */ 3933 tcg_gen_atomic_and_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3934 break; 3935 case 4: /* Store max unsigned */ 3936 tcg_gen_atomic_umax_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3937 break; 3938 case 5: /* Store max signed */ 3939 tcg_gen_atomic_smax_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3940 break; 3941 case 6: /* Store min unsigned */ 3942 tcg_gen_atomic_umin_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3943 break; 3944 case 7: /* Store min signed */ 3945 tcg_gen_atomic_smin_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3946 break; 3947 case 24: /* Store twin */ 3948 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3949 /* Restart with exclusive lock. */ 3950 gen_helper_exit_atomic(cpu_env); 3951 ctx->base.is_jmp = DISAS_NORETURN; 3952 } else { 3953 TCGv t = tcg_temp_new(); 3954 TCGv t2 = tcg_temp_new(); 3955 TCGv s = tcg_temp_new(); 3956 TCGv s2 = tcg_temp_new(); 3957 TCGv ea_plus_s = tcg_temp_new(); 3958 3959 tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop); 3960 tcg_gen_addi_tl(ea_plus_s, EA, MEMOP_GET_SIZE(memop)); 3961 tcg_gen_qemu_ld_tl(t2, ea_plus_s, ctx->mem_idx, memop); 3962 tcg_gen_movcond_tl(TCG_COND_EQ, s, t, t2, src, t); 3963 tcg_gen_movcond_tl(TCG_COND_EQ, s2, t, t2, src, t2); 3964 tcg_gen_qemu_st_tl(s, EA, ctx->mem_idx, memop); 3965 tcg_gen_qemu_st_tl(s2, ea_plus_s, ctx->mem_idx, memop); 3966 3967 tcg_temp_free(ea_plus_s); 3968 tcg_temp_free(s2); 3969 tcg_temp_free(s); 3970 tcg_temp_free(t2); 3971 tcg_temp_free(t); 3972 } 3973 break; 3974 default: 3975 /* invoke data storage error handler */ 3976 gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL); 3977 } 3978 tcg_temp_free(discard); 3979 tcg_temp_free(EA); 3980 } 3981 3982 static void gen_stwat(DisasContext *ctx) 3983 { 3984 gen_st_atomic(ctx, DEF_MEMOP(MO_UL)); 3985 } 3986 3987 #ifdef TARGET_PPC64 3988 static void gen_stdat(DisasContext *ctx) 3989 { 3990 gen_st_atomic(ctx, DEF_MEMOP(MO_Q)); 3991 } 3992 #endif 3993 3994 static void gen_conditional_store(DisasContext *ctx, MemOp memop) 3995 { 3996 TCGLabel *l1 = gen_new_label(); 3997 TCGLabel *l2 = gen_new_label(); 3998 TCGv t0 = tcg_temp_new(); 3999 int reg = rS(ctx->opcode); 4000 4001 gen_set_access_type(ctx, ACCESS_RES); 4002 gen_addr_reg_index(ctx, t0); 4003 tcg_gen_brcond_tl(TCG_COND_NE, t0, cpu_reserve, l1); 4004 tcg_temp_free(t0); 4005 4006 t0 = tcg_temp_new(); 4007 tcg_gen_atomic_cmpxchg_tl(t0, cpu_reserve, cpu_reserve_val, 4008 cpu_gpr[reg], ctx->mem_idx, 4009 DEF_MEMOP(memop) | MO_ALIGN); 4010 tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_reserve_val); 4011 tcg_gen_shli_tl(t0, t0, CRF_EQ_BIT); 4012 tcg_gen_or_tl(t0, t0, cpu_so); 4013 tcg_gen_trunc_tl_i32(cpu_crf[0], t0); 4014 tcg_temp_free(t0); 4015 tcg_gen_br(l2); 4016 4017 gen_set_label(l1); 4018 4019 /* 4020 * Address mismatch implies failure. But we still need to provide 4021 * the memory barrier semantics of the instruction. 4022 */ 4023 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL); 4024 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 4025 4026 gen_set_label(l2); 4027 tcg_gen_movi_tl(cpu_reserve, -1); 4028 } 4029 4030 #define STCX(name, memop) \ 4031 static void gen_##name(DisasContext *ctx) \ 4032 { \ 4033 gen_conditional_store(ctx, memop); \ 4034 } 4035 4036 STCX(stbcx_, DEF_MEMOP(MO_UB)) 4037 STCX(sthcx_, DEF_MEMOP(MO_UW)) 4038 STCX(stwcx_, DEF_MEMOP(MO_UL)) 4039 4040 #if defined(TARGET_PPC64) 4041 /* ldarx */ 4042 LARX(ldarx, DEF_MEMOP(MO_Q)) 4043 /* stdcx. */ 4044 STCX(stdcx_, DEF_MEMOP(MO_Q)) 4045 4046 /* lqarx */ 4047 static void gen_lqarx(DisasContext *ctx) 4048 { 4049 int rd = rD(ctx->opcode); 4050 TCGv EA, hi, lo; 4051 4052 if (unlikely((rd & 1) || (rd == rA(ctx->opcode)) || 4053 (rd == rB(ctx->opcode)))) { 4054 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 4055 return; 4056 } 4057 4058 gen_set_access_type(ctx, ACCESS_RES); 4059 EA = tcg_temp_new(); 4060 gen_addr_reg_index(ctx, EA); 4061 4062 /* Note that the low part is always in RD+1, even in LE mode. */ 4063 lo = cpu_gpr[rd + 1]; 4064 hi = cpu_gpr[rd]; 4065 4066 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 4067 if (HAVE_ATOMIC128) { 4068 TCGv_i32 oi = tcg_temp_new_i32(); 4069 if (ctx->le_mode) { 4070 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ | MO_ALIGN_16, 4071 ctx->mem_idx)); 4072 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi); 4073 } else { 4074 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ | MO_ALIGN_16, 4075 ctx->mem_idx)); 4076 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi); 4077 } 4078 tcg_temp_free_i32(oi); 4079 tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh)); 4080 } else { 4081 /* Restart with exclusive lock. */ 4082 gen_helper_exit_atomic(cpu_env); 4083 ctx->base.is_jmp = DISAS_NORETURN; 4084 tcg_temp_free(EA); 4085 return; 4086 } 4087 } else if (ctx->le_mode) { 4088 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEQ | MO_ALIGN_16); 4089 tcg_gen_mov_tl(cpu_reserve, EA); 4090 gen_addr_add(ctx, EA, EA, 8); 4091 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEQ); 4092 } else { 4093 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEQ | MO_ALIGN_16); 4094 tcg_gen_mov_tl(cpu_reserve, EA); 4095 gen_addr_add(ctx, EA, EA, 8); 4096 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEQ); 4097 } 4098 tcg_temp_free(EA); 4099 4100 tcg_gen_st_tl(hi, cpu_env, offsetof(CPUPPCState, reserve_val)); 4101 tcg_gen_st_tl(lo, cpu_env, offsetof(CPUPPCState, reserve_val2)); 4102 } 4103 4104 /* stqcx. */ 4105 static void gen_stqcx_(DisasContext *ctx) 4106 { 4107 int rs = rS(ctx->opcode); 4108 TCGv EA, hi, lo; 4109 4110 if (unlikely(rs & 1)) { 4111 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 4112 return; 4113 } 4114 4115 gen_set_access_type(ctx, ACCESS_RES); 4116 EA = tcg_temp_new(); 4117 gen_addr_reg_index(ctx, EA); 4118 4119 /* Note that the low part is always in RS+1, even in LE mode. */ 4120 lo = cpu_gpr[rs + 1]; 4121 hi = cpu_gpr[rs]; 4122 4123 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 4124 if (HAVE_CMPXCHG128) { 4125 TCGv_i32 oi = tcg_const_i32(DEF_MEMOP(MO_Q) | MO_ALIGN_16); 4126 if (ctx->le_mode) { 4127 gen_helper_stqcx_le_parallel(cpu_crf[0], cpu_env, 4128 EA, lo, hi, oi); 4129 } else { 4130 gen_helper_stqcx_be_parallel(cpu_crf[0], cpu_env, 4131 EA, lo, hi, oi); 4132 } 4133 tcg_temp_free_i32(oi); 4134 } else { 4135 /* Restart with exclusive lock. */ 4136 gen_helper_exit_atomic(cpu_env); 4137 ctx->base.is_jmp = DISAS_NORETURN; 4138 } 4139 tcg_temp_free(EA); 4140 } else { 4141 TCGLabel *lab_fail = gen_new_label(); 4142 TCGLabel *lab_over = gen_new_label(); 4143 TCGv_i64 t0 = tcg_temp_new_i64(); 4144 TCGv_i64 t1 = tcg_temp_new_i64(); 4145 4146 tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, lab_fail); 4147 tcg_temp_free(EA); 4148 4149 gen_qemu_ld64_i64(ctx, t0, cpu_reserve); 4150 tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode 4151 ? offsetof(CPUPPCState, reserve_val2) 4152 : offsetof(CPUPPCState, reserve_val))); 4153 tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail); 4154 4155 tcg_gen_addi_i64(t0, cpu_reserve, 8); 4156 gen_qemu_ld64_i64(ctx, t0, t0); 4157 tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode 4158 ? offsetof(CPUPPCState, reserve_val) 4159 : offsetof(CPUPPCState, reserve_val2))); 4160 tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail); 4161 4162 /* Success */ 4163 gen_qemu_st64_i64(ctx, ctx->le_mode ? lo : hi, cpu_reserve); 4164 tcg_gen_addi_i64(t0, cpu_reserve, 8); 4165 gen_qemu_st64_i64(ctx, ctx->le_mode ? hi : lo, t0); 4166 4167 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 4168 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ); 4169 tcg_gen_br(lab_over); 4170 4171 gen_set_label(lab_fail); 4172 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 4173 4174 gen_set_label(lab_over); 4175 tcg_gen_movi_tl(cpu_reserve, -1); 4176 tcg_temp_free_i64(t0); 4177 tcg_temp_free_i64(t1); 4178 } 4179 } 4180 #endif /* defined(TARGET_PPC64) */ 4181 4182 /* sync */ 4183 static void gen_sync(DisasContext *ctx) 4184 { 4185 uint32_t l = (ctx->opcode >> 21) & 3; 4186 4187 /* 4188 * We may need to check for a pending TLB flush. 4189 * 4190 * We do this on ptesync (l == 2) on ppc64 and any sync pn ppc32. 4191 * 4192 * Additionally, this can only happen in kernel mode however so 4193 * check MSR_PR as well. 4194 */ 4195 if (((l == 2) || !(ctx->insns_flags & PPC_64B)) && !ctx->pr) { 4196 gen_check_tlb_flush(ctx, true); 4197 } 4198 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC); 4199 } 4200 4201 /* wait */ 4202 static void gen_wait(DisasContext *ctx) 4203 { 4204 TCGv_i32 t0 = tcg_const_i32(1); 4205 tcg_gen_st_i32(t0, cpu_env, 4206 -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted)); 4207 tcg_temp_free_i32(t0); 4208 /* Stop translation, as the CPU is supposed to sleep from now */ 4209 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 4210 } 4211 4212 #if defined(TARGET_PPC64) 4213 static void gen_doze(DisasContext *ctx) 4214 { 4215 #if defined(CONFIG_USER_ONLY) 4216 GEN_PRIV; 4217 #else 4218 TCGv_i32 t; 4219 4220 CHK_HV; 4221 t = tcg_const_i32(PPC_PM_DOZE); 4222 gen_helper_pminsn(cpu_env, t); 4223 tcg_temp_free_i32(t); 4224 /* Stop translation, as the CPU is supposed to sleep from now */ 4225 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 4226 #endif /* defined(CONFIG_USER_ONLY) */ 4227 } 4228 4229 static void gen_nap(DisasContext *ctx) 4230 { 4231 #if defined(CONFIG_USER_ONLY) 4232 GEN_PRIV; 4233 #else 4234 TCGv_i32 t; 4235 4236 CHK_HV; 4237 t = tcg_const_i32(PPC_PM_NAP); 4238 gen_helper_pminsn(cpu_env, t); 4239 tcg_temp_free_i32(t); 4240 /* Stop translation, as the CPU is supposed to sleep from now */ 4241 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 4242 #endif /* defined(CONFIG_USER_ONLY) */ 4243 } 4244 4245 static void gen_stop(DisasContext *ctx) 4246 { 4247 #if defined(CONFIG_USER_ONLY) 4248 GEN_PRIV; 4249 #else 4250 TCGv_i32 t; 4251 4252 CHK_HV; 4253 t = tcg_const_i32(PPC_PM_STOP); 4254 gen_helper_pminsn(cpu_env, t); 4255 tcg_temp_free_i32(t); 4256 /* Stop translation, as the CPU is supposed to sleep from now */ 4257 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 4258 #endif /* defined(CONFIG_USER_ONLY) */ 4259 } 4260 4261 static void gen_sleep(DisasContext *ctx) 4262 { 4263 #if defined(CONFIG_USER_ONLY) 4264 GEN_PRIV; 4265 #else 4266 TCGv_i32 t; 4267 4268 CHK_HV; 4269 t = tcg_const_i32(PPC_PM_SLEEP); 4270 gen_helper_pminsn(cpu_env, t); 4271 tcg_temp_free_i32(t); 4272 /* Stop translation, as the CPU is supposed to sleep from now */ 4273 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 4274 #endif /* defined(CONFIG_USER_ONLY) */ 4275 } 4276 4277 static void gen_rvwinkle(DisasContext *ctx) 4278 { 4279 #if defined(CONFIG_USER_ONLY) 4280 GEN_PRIV; 4281 #else 4282 TCGv_i32 t; 4283 4284 CHK_HV; 4285 t = tcg_const_i32(PPC_PM_RVWINKLE); 4286 gen_helper_pminsn(cpu_env, t); 4287 tcg_temp_free_i32(t); 4288 /* Stop translation, as the CPU is supposed to sleep from now */ 4289 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 4290 #endif /* defined(CONFIG_USER_ONLY) */ 4291 } 4292 #endif /* #if defined(TARGET_PPC64) */ 4293 4294 static inline void gen_update_cfar(DisasContext *ctx, target_ulong nip) 4295 { 4296 #if defined(TARGET_PPC64) 4297 if (ctx->has_cfar) { 4298 tcg_gen_movi_tl(cpu_cfar, nip); 4299 } 4300 #endif 4301 } 4302 4303 static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest) 4304 { 4305 return translator_use_goto_tb(&ctx->base, dest); 4306 } 4307 4308 static void gen_lookup_and_goto_ptr(DisasContext *ctx) 4309 { 4310 int sse = ctx->singlestep_enabled; 4311 if (unlikely(sse)) { 4312 if (sse & GDBSTUB_SINGLE_STEP) { 4313 gen_debug_exception(ctx); 4314 } else if (sse & (CPU_SINGLE_STEP | CPU_BRANCH_STEP)) { 4315 gen_helper_raise_exception(cpu_env, tcg_constant_i32(gen_prep_dbgex(ctx))); 4316 } else { 4317 tcg_gen_exit_tb(NULL, 0); 4318 } 4319 } else { 4320 tcg_gen_lookup_and_goto_ptr(); 4321 } 4322 } 4323 4324 /*** Branch ***/ 4325 static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) 4326 { 4327 if (NARROW_MODE(ctx)) { 4328 dest = (uint32_t) dest; 4329 } 4330 if (use_goto_tb(ctx, dest)) { 4331 tcg_gen_goto_tb(n); 4332 tcg_gen_movi_tl(cpu_nip, dest & ~3); 4333 tcg_gen_exit_tb(ctx->base.tb, n); 4334 } else { 4335 tcg_gen_movi_tl(cpu_nip, dest & ~3); 4336 gen_lookup_and_goto_ptr(ctx); 4337 } 4338 } 4339 4340 static inline void gen_setlr(DisasContext *ctx, target_ulong nip) 4341 { 4342 if (NARROW_MODE(ctx)) { 4343 nip = (uint32_t)nip; 4344 } 4345 tcg_gen_movi_tl(cpu_lr, nip); 4346 } 4347 4348 /* b ba bl bla */ 4349 static void gen_b(DisasContext *ctx) 4350 { 4351 target_ulong li, target; 4352 4353 /* sign extend LI */ 4354 li = LI(ctx->opcode); 4355 li = (li ^ 0x02000000) - 0x02000000; 4356 if (likely(AA(ctx->opcode) == 0)) { 4357 target = ctx->cia + li; 4358 } else { 4359 target = li; 4360 } 4361 if (LK(ctx->opcode)) { 4362 gen_setlr(ctx, ctx->base.pc_next); 4363 } 4364 gen_update_cfar(ctx, ctx->cia); 4365 gen_goto_tb(ctx, 0, target); 4366 ctx->base.is_jmp = DISAS_NORETURN; 4367 } 4368 4369 #define BCOND_IM 0 4370 #define BCOND_LR 1 4371 #define BCOND_CTR 2 4372 #define BCOND_TAR 3 4373 4374 static void gen_bcond(DisasContext *ctx, int type) 4375 { 4376 uint32_t bo = BO(ctx->opcode); 4377 TCGLabel *l1; 4378 TCGv target; 4379 4380 if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) { 4381 target = tcg_temp_local_new(); 4382 if (type == BCOND_CTR) { 4383 tcg_gen_mov_tl(target, cpu_ctr); 4384 } else if (type == BCOND_TAR) { 4385 gen_load_spr(target, SPR_TAR); 4386 } else { 4387 tcg_gen_mov_tl(target, cpu_lr); 4388 } 4389 } else { 4390 target = NULL; 4391 } 4392 if (LK(ctx->opcode)) { 4393 gen_setlr(ctx, ctx->base.pc_next); 4394 } 4395 l1 = gen_new_label(); 4396 if ((bo & 0x4) == 0) { 4397 /* Decrement and test CTR */ 4398 TCGv temp = tcg_temp_new(); 4399 4400 if (type == BCOND_CTR) { 4401 /* 4402 * All ISAs up to v3 describe this form of bcctr as invalid but 4403 * some processors, ie. 64-bit server processors compliant with 4404 * arch 2.x, do implement a "test and decrement" logic instead, 4405 * as described in their respective UMs. This logic involves CTR 4406 * to act as both the branch target and a counter, which makes 4407 * it basically useless and thus never used in real code. 4408 * 4409 * This form was hence chosen to trigger extra micro-architectural 4410 * side-effect on real HW needed for the Spectre v2 workaround. 4411 * It is up to guests that implement such workaround, ie. linux, to 4412 * use this form in a way it just triggers the side-effect without 4413 * doing anything else harmful. 4414 */ 4415 if (unlikely(!is_book3s_arch2x(ctx))) { 4416 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 4417 tcg_temp_free(temp); 4418 tcg_temp_free(target); 4419 return; 4420 } 4421 4422 if (NARROW_MODE(ctx)) { 4423 tcg_gen_ext32u_tl(temp, cpu_ctr); 4424 } else { 4425 tcg_gen_mov_tl(temp, cpu_ctr); 4426 } 4427 if (bo & 0x2) { 4428 tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1); 4429 } else { 4430 tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1); 4431 } 4432 tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1); 4433 } else { 4434 tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1); 4435 if (NARROW_MODE(ctx)) { 4436 tcg_gen_ext32u_tl(temp, cpu_ctr); 4437 } else { 4438 tcg_gen_mov_tl(temp, cpu_ctr); 4439 } 4440 if (bo & 0x2) { 4441 tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1); 4442 } else { 4443 tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1); 4444 } 4445 } 4446 tcg_temp_free(temp); 4447 } 4448 if ((bo & 0x10) == 0) { 4449 /* Test CR */ 4450 uint32_t bi = BI(ctx->opcode); 4451 uint32_t mask = 0x08 >> (bi & 0x03); 4452 TCGv_i32 temp = tcg_temp_new_i32(); 4453 4454 if (bo & 0x8) { 4455 tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask); 4456 tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1); 4457 } else { 4458 tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask); 4459 tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1); 4460 } 4461 tcg_temp_free_i32(temp); 4462 } 4463 gen_update_cfar(ctx, ctx->cia); 4464 if (type == BCOND_IM) { 4465 target_ulong li = (target_long)((int16_t)(BD(ctx->opcode))); 4466 if (likely(AA(ctx->opcode) == 0)) { 4467 gen_goto_tb(ctx, 0, ctx->cia + li); 4468 } else { 4469 gen_goto_tb(ctx, 0, li); 4470 } 4471 } else { 4472 if (NARROW_MODE(ctx)) { 4473 tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3); 4474 } else { 4475 tcg_gen_andi_tl(cpu_nip, target, ~3); 4476 } 4477 gen_lookup_and_goto_ptr(ctx); 4478 tcg_temp_free(target); 4479 } 4480 if ((bo & 0x14) != 0x14) { 4481 /* fallthrough case */ 4482 gen_set_label(l1); 4483 gen_goto_tb(ctx, 1, ctx->base.pc_next); 4484 } 4485 ctx->base.is_jmp = DISAS_NORETURN; 4486 } 4487 4488 static void gen_bc(DisasContext *ctx) 4489 { 4490 gen_bcond(ctx, BCOND_IM); 4491 } 4492 4493 static void gen_bcctr(DisasContext *ctx) 4494 { 4495 gen_bcond(ctx, BCOND_CTR); 4496 } 4497 4498 static void gen_bclr(DisasContext *ctx) 4499 { 4500 gen_bcond(ctx, BCOND_LR); 4501 } 4502 4503 static void gen_bctar(DisasContext *ctx) 4504 { 4505 gen_bcond(ctx, BCOND_TAR); 4506 } 4507 4508 /*** Condition register logical ***/ 4509 #define GEN_CRLOGIC(name, tcg_op, opc) \ 4510 static void glue(gen_, name)(DisasContext *ctx) \ 4511 { \ 4512 uint8_t bitmask; \ 4513 int sh; \ 4514 TCGv_i32 t0, t1; \ 4515 sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03); \ 4516 t0 = tcg_temp_new_i32(); \ 4517 if (sh > 0) \ 4518 tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh); \ 4519 else if (sh < 0) \ 4520 tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh); \ 4521 else \ 4522 tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]); \ 4523 t1 = tcg_temp_new_i32(); \ 4524 sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03); \ 4525 if (sh > 0) \ 4526 tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh); \ 4527 else if (sh < 0) \ 4528 tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh); \ 4529 else \ 4530 tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]); \ 4531 tcg_op(t0, t0, t1); \ 4532 bitmask = 0x08 >> (crbD(ctx->opcode) & 0x03); \ 4533 tcg_gen_andi_i32(t0, t0, bitmask); \ 4534 tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask); \ 4535 tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1); \ 4536 tcg_temp_free_i32(t0); \ 4537 tcg_temp_free_i32(t1); \ 4538 } 4539 4540 /* crand */ 4541 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08); 4542 /* crandc */ 4543 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04); 4544 /* creqv */ 4545 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09); 4546 /* crnand */ 4547 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07); 4548 /* crnor */ 4549 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01); 4550 /* cror */ 4551 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E); 4552 /* crorc */ 4553 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D); 4554 /* crxor */ 4555 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06); 4556 4557 /* mcrf */ 4558 static void gen_mcrf(DisasContext *ctx) 4559 { 4560 tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]); 4561 } 4562 4563 /*** System linkage ***/ 4564 4565 /* rfi (supervisor only) */ 4566 static void gen_rfi(DisasContext *ctx) 4567 { 4568 #if defined(CONFIG_USER_ONLY) 4569 GEN_PRIV; 4570 #else 4571 /* 4572 * This instruction doesn't exist anymore on 64-bit server 4573 * processors compliant with arch 2.x 4574 */ 4575 if (is_book3s_arch2x(ctx)) { 4576 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 4577 return; 4578 } 4579 /* Restore CPU state */ 4580 CHK_SV; 4581 gen_icount_io_start(ctx); 4582 gen_update_cfar(ctx, ctx->cia); 4583 gen_helper_rfi(cpu_env); 4584 ctx->base.is_jmp = DISAS_EXIT; 4585 #endif 4586 } 4587 4588 #if defined(TARGET_PPC64) 4589 static void gen_rfid(DisasContext *ctx) 4590 { 4591 #if defined(CONFIG_USER_ONLY) 4592 GEN_PRIV; 4593 #else 4594 /* Restore CPU state */ 4595 CHK_SV; 4596 gen_icount_io_start(ctx); 4597 gen_update_cfar(ctx, ctx->cia); 4598 gen_helper_rfid(cpu_env); 4599 ctx->base.is_jmp = DISAS_EXIT; 4600 #endif 4601 } 4602 4603 #if !defined(CONFIG_USER_ONLY) 4604 static void gen_rfscv(DisasContext *ctx) 4605 { 4606 #if defined(CONFIG_USER_ONLY) 4607 GEN_PRIV; 4608 #else 4609 /* Restore CPU state */ 4610 CHK_SV; 4611 gen_icount_io_start(ctx); 4612 gen_update_cfar(ctx, ctx->cia); 4613 gen_helper_rfscv(cpu_env); 4614 ctx->base.is_jmp = DISAS_EXIT; 4615 #endif 4616 } 4617 #endif 4618 4619 static void gen_hrfid(DisasContext *ctx) 4620 { 4621 #if defined(CONFIG_USER_ONLY) 4622 GEN_PRIV; 4623 #else 4624 /* Restore CPU state */ 4625 CHK_HV; 4626 gen_helper_hrfid(cpu_env); 4627 ctx->base.is_jmp = DISAS_EXIT; 4628 #endif 4629 } 4630 #endif 4631 4632 /* sc */ 4633 #if defined(CONFIG_USER_ONLY) 4634 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER 4635 #else 4636 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL 4637 #define POWERPC_SYSCALL_VECTORED POWERPC_EXCP_SYSCALL_VECTORED 4638 #endif 4639 static void gen_sc(DisasContext *ctx) 4640 { 4641 uint32_t lev; 4642 4643 lev = (ctx->opcode >> 5) & 0x7F; 4644 gen_exception_err(ctx, POWERPC_SYSCALL, lev); 4645 } 4646 4647 #if defined(TARGET_PPC64) 4648 #if !defined(CONFIG_USER_ONLY) 4649 static void gen_scv(DisasContext *ctx) 4650 { 4651 uint32_t lev = (ctx->opcode >> 5) & 0x7F; 4652 4653 /* Set the PC back to the faulting instruction. */ 4654 gen_update_nip(ctx, ctx->cia); 4655 gen_helper_scv(cpu_env, tcg_constant_i32(lev)); 4656 4657 ctx->base.is_jmp = DISAS_NORETURN; 4658 } 4659 #endif 4660 #endif 4661 4662 /*** Trap ***/ 4663 4664 /* Check for unconditional traps (always or never) */ 4665 static bool check_unconditional_trap(DisasContext *ctx) 4666 { 4667 /* Trap never */ 4668 if (TO(ctx->opcode) == 0) { 4669 return true; 4670 } 4671 /* Trap always */ 4672 if (TO(ctx->opcode) == 31) { 4673 gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP); 4674 return true; 4675 } 4676 return false; 4677 } 4678 4679 /* tw */ 4680 static void gen_tw(DisasContext *ctx) 4681 { 4682 TCGv_i32 t0; 4683 4684 if (check_unconditional_trap(ctx)) { 4685 return; 4686 } 4687 t0 = tcg_const_i32(TO(ctx->opcode)); 4688 gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 4689 t0); 4690 tcg_temp_free_i32(t0); 4691 } 4692 4693 /* twi */ 4694 static void gen_twi(DisasContext *ctx) 4695 { 4696 TCGv t0; 4697 TCGv_i32 t1; 4698 4699 if (check_unconditional_trap(ctx)) { 4700 return; 4701 } 4702 t0 = tcg_const_tl(SIMM(ctx->opcode)); 4703 t1 = tcg_const_i32(TO(ctx->opcode)); 4704 gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1); 4705 tcg_temp_free(t0); 4706 tcg_temp_free_i32(t1); 4707 } 4708 4709 #if defined(TARGET_PPC64) 4710 /* td */ 4711 static void gen_td(DisasContext *ctx) 4712 { 4713 TCGv_i32 t0; 4714 4715 if (check_unconditional_trap(ctx)) { 4716 return; 4717 } 4718 t0 = tcg_const_i32(TO(ctx->opcode)); 4719 gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 4720 t0); 4721 tcg_temp_free_i32(t0); 4722 } 4723 4724 /* tdi */ 4725 static void gen_tdi(DisasContext *ctx) 4726 { 4727 TCGv t0; 4728 TCGv_i32 t1; 4729 4730 if (check_unconditional_trap(ctx)) { 4731 return; 4732 } 4733 t0 = tcg_const_tl(SIMM(ctx->opcode)); 4734 t1 = tcg_const_i32(TO(ctx->opcode)); 4735 gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1); 4736 tcg_temp_free(t0); 4737 tcg_temp_free_i32(t1); 4738 } 4739 #endif 4740 4741 /*** Processor control ***/ 4742 4743 /* mcrxr */ 4744 static void gen_mcrxr(DisasContext *ctx) 4745 { 4746 TCGv_i32 t0 = tcg_temp_new_i32(); 4747 TCGv_i32 t1 = tcg_temp_new_i32(); 4748 TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)]; 4749 4750 tcg_gen_trunc_tl_i32(t0, cpu_so); 4751 tcg_gen_trunc_tl_i32(t1, cpu_ov); 4752 tcg_gen_trunc_tl_i32(dst, cpu_ca); 4753 tcg_gen_shli_i32(t0, t0, 3); 4754 tcg_gen_shli_i32(t1, t1, 2); 4755 tcg_gen_shli_i32(dst, dst, 1); 4756 tcg_gen_or_i32(dst, dst, t0); 4757 tcg_gen_or_i32(dst, dst, t1); 4758 tcg_temp_free_i32(t0); 4759 tcg_temp_free_i32(t1); 4760 4761 tcg_gen_movi_tl(cpu_so, 0); 4762 tcg_gen_movi_tl(cpu_ov, 0); 4763 tcg_gen_movi_tl(cpu_ca, 0); 4764 } 4765 4766 #ifdef TARGET_PPC64 4767 /* mcrxrx */ 4768 static void gen_mcrxrx(DisasContext *ctx) 4769 { 4770 TCGv t0 = tcg_temp_new(); 4771 TCGv t1 = tcg_temp_new(); 4772 TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)]; 4773 4774 /* copy OV and OV32 */ 4775 tcg_gen_shli_tl(t0, cpu_ov, 1); 4776 tcg_gen_or_tl(t0, t0, cpu_ov32); 4777 tcg_gen_shli_tl(t0, t0, 2); 4778 /* copy CA and CA32 */ 4779 tcg_gen_shli_tl(t1, cpu_ca, 1); 4780 tcg_gen_or_tl(t1, t1, cpu_ca32); 4781 tcg_gen_or_tl(t0, t0, t1); 4782 tcg_gen_trunc_tl_i32(dst, t0); 4783 tcg_temp_free(t0); 4784 tcg_temp_free(t1); 4785 } 4786 #endif 4787 4788 /* mfcr mfocrf */ 4789 static void gen_mfcr(DisasContext *ctx) 4790 { 4791 uint32_t crm, crn; 4792 4793 if (likely(ctx->opcode & 0x00100000)) { 4794 crm = CRM(ctx->opcode); 4795 if (likely(crm && ((crm & (crm - 1)) == 0))) { 4796 crn = ctz32(crm); 4797 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]); 4798 tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], 4799 cpu_gpr[rD(ctx->opcode)], crn * 4); 4800 } 4801 } else { 4802 TCGv_i32 t0 = tcg_temp_new_i32(); 4803 tcg_gen_mov_i32(t0, cpu_crf[0]); 4804 tcg_gen_shli_i32(t0, t0, 4); 4805 tcg_gen_or_i32(t0, t0, cpu_crf[1]); 4806 tcg_gen_shli_i32(t0, t0, 4); 4807 tcg_gen_or_i32(t0, t0, cpu_crf[2]); 4808 tcg_gen_shli_i32(t0, t0, 4); 4809 tcg_gen_or_i32(t0, t0, cpu_crf[3]); 4810 tcg_gen_shli_i32(t0, t0, 4); 4811 tcg_gen_or_i32(t0, t0, cpu_crf[4]); 4812 tcg_gen_shli_i32(t0, t0, 4); 4813 tcg_gen_or_i32(t0, t0, cpu_crf[5]); 4814 tcg_gen_shli_i32(t0, t0, 4); 4815 tcg_gen_or_i32(t0, t0, cpu_crf[6]); 4816 tcg_gen_shli_i32(t0, t0, 4); 4817 tcg_gen_or_i32(t0, t0, cpu_crf[7]); 4818 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0); 4819 tcg_temp_free_i32(t0); 4820 } 4821 } 4822 4823 /* mfmsr */ 4824 static void gen_mfmsr(DisasContext *ctx) 4825 { 4826 CHK_SV; 4827 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr); 4828 } 4829 4830 /* mfspr */ 4831 static inline void gen_op_mfspr(DisasContext *ctx) 4832 { 4833 void (*read_cb)(DisasContext *ctx, int gprn, int sprn); 4834 uint32_t sprn = SPR(ctx->opcode); 4835 4836 #if defined(CONFIG_USER_ONLY) 4837 read_cb = ctx->spr_cb[sprn].uea_read; 4838 #else 4839 if (ctx->pr) { 4840 read_cb = ctx->spr_cb[sprn].uea_read; 4841 } else if (ctx->hv) { 4842 read_cb = ctx->spr_cb[sprn].hea_read; 4843 } else { 4844 read_cb = ctx->spr_cb[sprn].oea_read; 4845 } 4846 #endif 4847 if (likely(read_cb != NULL)) { 4848 if (likely(read_cb != SPR_NOACCESS)) { 4849 (*read_cb)(ctx, rD(ctx->opcode), sprn); 4850 } else { 4851 /* Privilege exception */ 4852 /* 4853 * This is a hack to avoid warnings when running Linux: 4854 * this OS breaks the PowerPC virtualisation model, 4855 * allowing userland application to read the PVR 4856 */ 4857 if (sprn != SPR_PVR) { 4858 qemu_log_mask(LOG_GUEST_ERROR, "Trying to read privileged spr " 4859 "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn, 4860 ctx->cia); 4861 } 4862 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG); 4863 } 4864 } else { 4865 /* ISA 2.07 defines these as no-ops */ 4866 if ((ctx->insns_flags2 & PPC2_ISA207S) && 4867 (sprn >= 808 && sprn <= 811)) { 4868 /* This is a nop */ 4869 return; 4870 } 4871 /* Not defined */ 4872 qemu_log_mask(LOG_GUEST_ERROR, 4873 "Trying to read invalid spr %d (0x%03x) at " 4874 TARGET_FMT_lx "\n", sprn, sprn, ctx->cia); 4875 4876 /* 4877 * The behaviour depends on MSR:PR and SPR# bit 0x10, it can 4878 * generate a priv, a hv emu or a no-op 4879 */ 4880 if (sprn & 0x10) { 4881 if (ctx->pr) { 4882 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR); 4883 } 4884 } else { 4885 if (ctx->pr || sprn == 0 || sprn == 4 || sprn == 5 || sprn == 6) { 4886 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR); 4887 } 4888 } 4889 } 4890 } 4891 4892 static void gen_mfspr(DisasContext *ctx) 4893 { 4894 gen_op_mfspr(ctx); 4895 } 4896 4897 /* mftb */ 4898 static void gen_mftb(DisasContext *ctx) 4899 { 4900 gen_op_mfspr(ctx); 4901 } 4902 4903 /* mtcrf mtocrf*/ 4904 static void gen_mtcrf(DisasContext *ctx) 4905 { 4906 uint32_t crm, crn; 4907 4908 crm = CRM(ctx->opcode); 4909 if (likely((ctx->opcode & 0x00100000))) { 4910 if (crm && ((crm & (crm - 1)) == 0)) { 4911 TCGv_i32 temp = tcg_temp_new_i32(); 4912 crn = ctz32(crm); 4913 tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]); 4914 tcg_gen_shri_i32(temp, temp, crn * 4); 4915 tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf); 4916 tcg_temp_free_i32(temp); 4917 } 4918 } else { 4919 TCGv_i32 temp = tcg_temp_new_i32(); 4920 tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]); 4921 for (crn = 0 ; crn < 8 ; crn++) { 4922 if (crm & (1 << crn)) { 4923 tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4); 4924 tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf); 4925 } 4926 } 4927 tcg_temp_free_i32(temp); 4928 } 4929 } 4930 4931 /* mtmsr */ 4932 #if defined(TARGET_PPC64) 4933 static void gen_mtmsrd(DisasContext *ctx) 4934 { 4935 if (unlikely(!is_book3s_arch2x(ctx))) { 4936 gen_invalid(ctx); 4937 return; 4938 } 4939 4940 CHK_SV; 4941 4942 #if !defined(CONFIG_USER_ONLY) 4943 gen_icount_io_start(ctx); 4944 if (ctx->opcode & 0x00010000) { 4945 /* L=1 form only updates EE and RI */ 4946 TCGv t0 = tcg_temp_new(); 4947 TCGv t1 = tcg_temp_new(); 4948 tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], 4949 (1 << MSR_RI) | (1 << MSR_EE)); 4950 tcg_gen_andi_tl(t1, cpu_msr, 4951 ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE))); 4952 tcg_gen_or_tl(t1, t1, t0); 4953 4954 gen_helper_store_msr(cpu_env, t1); 4955 tcg_temp_free(t0); 4956 tcg_temp_free(t1); 4957 4958 } else { 4959 /* 4960 * XXX: we need to update nip before the store if we enter 4961 * power saving mode, we will exit the loop directly from 4962 * ppc_store_msr 4963 */ 4964 gen_update_nip(ctx, ctx->base.pc_next); 4965 gen_helper_store_msr(cpu_env, cpu_gpr[rS(ctx->opcode)]); 4966 } 4967 /* Must stop the translation as machine state (may have) changed */ 4968 ctx->base.is_jmp = DISAS_EXIT_UPDATE; 4969 #endif /* !defined(CONFIG_USER_ONLY) */ 4970 } 4971 #endif /* defined(TARGET_PPC64) */ 4972 4973 static void gen_mtmsr(DisasContext *ctx) 4974 { 4975 CHK_SV; 4976 4977 #if !defined(CONFIG_USER_ONLY) 4978 gen_icount_io_start(ctx); 4979 if (ctx->opcode & 0x00010000) { 4980 /* L=1 form only updates EE and RI */ 4981 TCGv t0 = tcg_temp_new(); 4982 TCGv t1 = tcg_temp_new(); 4983 tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], 4984 (1 << MSR_RI) | (1 << MSR_EE)); 4985 tcg_gen_andi_tl(t1, cpu_msr, 4986 ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE))); 4987 tcg_gen_or_tl(t1, t1, t0); 4988 4989 gen_helper_store_msr(cpu_env, t1); 4990 tcg_temp_free(t0); 4991 tcg_temp_free(t1); 4992 4993 } else { 4994 TCGv msr = tcg_temp_new(); 4995 4996 /* 4997 * XXX: we need to update nip before the store if we enter 4998 * power saving mode, we will exit the loop directly from 4999 * ppc_store_msr 5000 */ 5001 gen_update_nip(ctx, ctx->base.pc_next); 5002 #if defined(TARGET_PPC64) 5003 tcg_gen_deposit_tl(msr, cpu_msr, cpu_gpr[rS(ctx->opcode)], 0, 32); 5004 #else 5005 tcg_gen_mov_tl(msr, cpu_gpr[rS(ctx->opcode)]); 5006 #endif 5007 gen_helper_store_msr(cpu_env, msr); 5008 tcg_temp_free(msr); 5009 } 5010 /* Must stop the translation as machine state (may have) changed */ 5011 ctx->base.is_jmp = DISAS_EXIT_UPDATE; 5012 #endif 5013 } 5014 5015 /* mtspr */ 5016 static void gen_mtspr(DisasContext *ctx) 5017 { 5018 void (*write_cb)(DisasContext *ctx, int sprn, int gprn); 5019 uint32_t sprn = SPR(ctx->opcode); 5020 5021 #if defined(CONFIG_USER_ONLY) 5022 write_cb = ctx->spr_cb[sprn].uea_write; 5023 #else 5024 if (ctx->pr) { 5025 write_cb = ctx->spr_cb[sprn].uea_write; 5026 } else if (ctx->hv) { 5027 write_cb = ctx->spr_cb[sprn].hea_write; 5028 } else { 5029 write_cb = ctx->spr_cb[sprn].oea_write; 5030 } 5031 #endif 5032 if (likely(write_cb != NULL)) { 5033 if (likely(write_cb != SPR_NOACCESS)) { 5034 (*write_cb)(ctx, sprn, rS(ctx->opcode)); 5035 } else { 5036 /* Privilege exception */ 5037 qemu_log_mask(LOG_GUEST_ERROR, "Trying to write privileged spr " 5038 "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn, 5039 ctx->cia); 5040 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG); 5041 } 5042 } else { 5043 /* ISA 2.07 defines these as no-ops */ 5044 if ((ctx->insns_flags2 & PPC2_ISA207S) && 5045 (sprn >= 808 && sprn <= 811)) { 5046 /* This is a nop */ 5047 return; 5048 } 5049 5050 /* Not defined */ 5051 qemu_log_mask(LOG_GUEST_ERROR, 5052 "Trying to write invalid spr %d (0x%03x) at " 5053 TARGET_FMT_lx "\n", sprn, sprn, ctx->cia); 5054 5055 5056 /* 5057 * The behaviour depends on MSR:PR and SPR# bit 0x10, it can 5058 * generate a priv, a hv emu or a no-op 5059 */ 5060 if (sprn & 0x10) { 5061 if (ctx->pr) { 5062 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR); 5063 } 5064 } else { 5065 if (ctx->pr || sprn == 0) { 5066 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR); 5067 } 5068 } 5069 } 5070 } 5071 5072 #if defined(TARGET_PPC64) 5073 /* setb */ 5074 static void gen_setb(DisasContext *ctx) 5075 { 5076 TCGv_i32 t0 = tcg_temp_new_i32(); 5077 TCGv_i32 t8 = tcg_temp_new_i32(); 5078 TCGv_i32 tm1 = tcg_temp_new_i32(); 5079 int crf = crfS(ctx->opcode); 5080 5081 tcg_gen_setcondi_i32(TCG_COND_GEU, t0, cpu_crf[crf], 4); 5082 tcg_gen_movi_i32(t8, 8); 5083 tcg_gen_movi_i32(tm1, -1); 5084 tcg_gen_movcond_i32(TCG_COND_GEU, t0, cpu_crf[crf], t8, tm1, t0); 5085 tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0); 5086 5087 tcg_temp_free_i32(t0); 5088 tcg_temp_free_i32(t8); 5089 tcg_temp_free_i32(tm1); 5090 } 5091 #endif 5092 5093 /*** Cache management ***/ 5094 5095 /* dcbf */ 5096 static void gen_dcbf(DisasContext *ctx) 5097 { 5098 /* XXX: specification says this is treated as a load by the MMU */ 5099 TCGv t0; 5100 gen_set_access_type(ctx, ACCESS_CACHE); 5101 t0 = tcg_temp_new(); 5102 gen_addr_reg_index(ctx, t0); 5103 gen_qemu_ld8u(ctx, t0, t0); 5104 tcg_temp_free(t0); 5105 } 5106 5107 /* dcbfep (external PID dcbf) */ 5108 static void gen_dcbfep(DisasContext *ctx) 5109 { 5110 /* XXX: specification says this is treated as a load by the MMU */ 5111 TCGv t0; 5112 CHK_SV; 5113 gen_set_access_type(ctx, ACCESS_CACHE); 5114 t0 = tcg_temp_new(); 5115 gen_addr_reg_index(ctx, t0); 5116 tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB)); 5117 tcg_temp_free(t0); 5118 } 5119 5120 /* dcbi (Supervisor only) */ 5121 static void gen_dcbi(DisasContext *ctx) 5122 { 5123 #if defined(CONFIG_USER_ONLY) 5124 GEN_PRIV; 5125 #else 5126 TCGv EA, val; 5127 5128 CHK_SV; 5129 EA = tcg_temp_new(); 5130 gen_set_access_type(ctx, ACCESS_CACHE); 5131 gen_addr_reg_index(ctx, EA); 5132 val = tcg_temp_new(); 5133 /* XXX: specification says this should be treated as a store by the MMU */ 5134 gen_qemu_ld8u(ctx, val, EA); 5135 gen_qemu_st8(ctx, val, EA); 5136 tcg_temp_free(val); 5137 tcg_temp_free(EA); 5138 #endif /* defined(CONFIG_USER_ONLY) */ 5139 } 5140 5141 /* dcdst */ 5142 static void gen_dcbst(DisasContext *ctx) 5143 { 5144 /* XXX: specification say this is treated as a load by the MMU */ 5145 TCGv t0; 5146 gen_set_access_type(ctx, ACCESS_CACHE); 5147 t0 = tcg_temp_new(); 5148 gen_addr_reg_index(ctx, t0); 5149 gen_qemu_ld8u(ctx, t0, t0); 5150 tcg_temp_free(t0); 5151 } 5152 5153 /* dcbstep (dcbstep External PID version) */ 5154 static void gen_dcbstep(DisasContext *ctx) 5155 { 5156 /* XXX: specification say this is treated as a load by the MMU */ 5157 TCGv t0; 5158 gen_set_access_type(ctx, ACCESS_CACHE); 5159 t0 = tcg_temp_new(); 5160 gen_addr_reg_index(ctx, t0); 5161 tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB)); 5162 tcg_temp_free(t0); 5163 } 5164 5165 /* dcbt */ 5166 static void gen_dcbt(DisasContext *ctx) 5167 { 5168 /* 5169 * interpreted as no-op 5170 * XXX: specification say this is treated as a load by the MMU but 5171 * does not generate any exception 5172 */ 5173 } 5174 5175 /* dcbtep */ 5176 static void gen_dcbtep(DisasContext *ctx) 5177 { 5178 /* 5179 * interpreted as no-op 5180 * XXX: specification say this is treated as a load by the MMU but 5181 * does not generate any exception 5182 */ 5183 } 5184 5185 /* dcbtst */ 5186 static void gen_dcbtst(DisasContext *ctx) 5187 { 5188 /* 5189 * interpreted as no-op 5190 * XXX: specification say this is treated as a load by the MMU but 5191 * does not generate any exception 5192 */ 5193 } 5194 5195 /* dcbtstep */ 5196 static void gen_dcbtstep(DisasContext *ctx) 5197 { 5198 /* 5199 * interpreted as no-op 5200 * XXX: specification say this is treated as a load by the MMU but 5201 * does not generate any exception 5202 */ 5203 } 5204 5205 /* dcbtls */ 5206 static void gen_dcbtls(DisasContext *ctx) 5207 { 5208 /* Always fails locking the cache */ 5209 TCGv t0 = tcg_temp_new(); 5210 gen_load_spr(t0, SPR_Exxx_L1CSR0); 5211 tcg_gen_ori_tl(t0, t0, L1CSR0_CUL); 5212 gen_store_spr(SPR_Exxx_L1CSR0, t0); 5213 tcg_temp_free(t0); 5214 } 5215 5216 /* dcbz */ 5217 static void gen_dcbz(DisasContext *ctx) 5218 { 5219 TCGv tcgv_addr; 5220 TCGv_i32 tcgv_op; 5221 5222 gen_set_access_type(ctx, ACCESS_CACHE); 5223 tcgv_addr = tcg_temp_new(); 5224 tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000); 5225 gen_addr_reg_index(ctx, tcgv_addr); 5226 gen_helper_dcbz(cpu_env, tcgv_addr, tcgv_op); 5227 tcg_temp_free(tcgv_addr); 5228 tcg_temp_free_i32(tcgv_op); 5229 } 5230 5231 /* dcbzep */ 5232 static void gen_dcbzep(DisasContext *ctx) 5233 { 5234 TCGv tcgv_addr; 5235 TCGv_i32 tcgv_op; 5236 5237 gen_set_access_type(ctx, ACCESS_CACHE); 5238 tcgv_addr = tcg_temp_new(); 5239 tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000); 5240 gen_addr_reg_index(ctx, tcgv_addr); 5241 gen_helper_dcbzep(cpu_env, tcgv_addr, tcgv_op); 5242 tcg_temp_free(tcgv_addr); 5243 tcg_temp_free_i32(tcgv_op); 5244 } 5245 5246 /* dst / dstt */ 5247 static void gen_dst(DisasContext *ctx) 5248 { 5249 if (rA(ctx->opcode) == 0) { 5250 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 5251 } else { 5252 /* interpreted as no-op */ 5253 } 5254 } 5255 5256 /* dstst /dststt */ 5257 static void gen_dstst(DisasContext *ctx) 5258 { 5259 if (rA(ctx->opcode) == 0) { 5260 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 5261 } else { 5262 /* interpreted as no-op */ 5263 } 5264 5265 } 5266 5267 /* dss / dssall */ 5268 static void gen_dss(DisasContext *ctx) 5269 { 5270 /* interpreted as no-op */ 5271 } 5272 5273 /* icbi */ 5274 static void gen_icbi(DisasContext *ctx) 5275 { 5276 TCGv t0; 5277 gen_set_access_type(ctx, ACCESS_CACHE); 5278 t0 = tcg_temp_new(); 5279 gen_addr_reg_index(ctx, t0); 5280 gen_helper_icbi(cpu_env, t0); 5281 tcg_temp_free(t0); 5282 } 5283 5284 /* icbiep */ 5285 static void gen_icbiep(DisasContext *ctx) 5286 { 5287 TCGv t0; 5288 gen_set_access_type(ctx, ACCESS_CACHE); 5289 t0 = tcg_temp_new(); 5290 gen_addr_reg_index(ctx, t0); 5291 gen_helper_icbiep(cpu_env, t0); 5292 tcg_temp_free(t0); 5293 } 5294 5295 /* Optional: */ 5296 /* dcba */ 5297 static void gen_dcba(DisasContext *ctx) 5298 { 5299 /* 5300 * interpreted as no-op 5301 * XXX: specification say this is treated as a store by the MMU 5302 * but does not generate any exception 5303 */ 5304 } 5305 5306 /*** Segment register manipulation ***/ 5307 /* Supervisor only: */ 5308 5309 /* mfsr */ 5310 static void gen_mfsr(DisasContext *ctx) 5311 { 5312 #if defined(CONFIG_USER_ONLY) 5313 GEN_PRIV; 5314 #else 5315 TCGv t0; 5316 5317 CHK_SV; 5318 t0 = tcg_const_tl(SR(ctx->opcode)); 5319 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 5320 tcg_temp_free(t0); 5321 #endif /* defined(CONFIG_USER_ONLY) */ 5322 } 5323 5324 /* mfsrin */ 5325 static void gen_mfsrin(DisasContext *ctx) 5326 { 5327 #if defined(CONFIG_USER_ONLY) 5328 GEN_PRIV; 5329 #else 5330 TCGv t0; 5331 5332 CHK_SV; 5333 t0 = tcg_temp_new(); 5334 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4); 5335 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 5336 tcg_temp_free(t0); 5337 #endif /* defined(CONFIG_USER_ONLY) */ 5338 } 5339 5340 /* mtsr */ 5341 static void gen_mtsr(DisasContext *ctx) 5342 { 5343 #if defined(CONFIG_USER_ONLY) 5344 GEN_PRIV; 5345 #else 5346 TCGv t0; 5347 5348 CHK_SV; 5349 t0 = tcg_const_tl(SR(ctx->opcode)); 5350 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]); 5351 tcg_temp_free(t0); 5352 #endif /* defined(CONFIG_USER_ONLY) */ 5353 } 5354 5355 /* mtsrin */ 5356 static void gen_mtsrin(DisasContext *ctx) 5357 { 5358 #if defined(CONFIG_USER_ONLY) 5359 GEN_PRIV; 5360 #else 5361 TCGv t0; 5362 CHK_SV; 5363 5364 t0 = tcg_temp_new(); 5365 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4); 5366 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rD(ctx->opcode)]); 5367 tcg_temp_free(t0); 5368 #endif /* defined(CONFIG_USER_ONLY) */ 5369 } 5370 5371 #if defined(TARGET_PPC64) 5372 /* Specific implementation for PowerPC 64 "bridge" emulation using SLB */ 5373 5374 /* mfsr */ 5375 static void gen_mfsr_64b(DisasContext *ctx) 5376 { 5377 #if defined(CONFIG_USER_ONLY) 5378 GEN_PRIV; 5379 #else 5380 TCGv t0; 5381 5382 CHK_SV; 5383 t0 = tcg_const_tl(SR(ctx->opcode)); 5384 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 5385 tcg_temp_free(t0); 5386 #endif /* defined(CONFIG_USER_ONLY) */ 5387 } 5388 5389 /* mfsrin */ 5390 static void gen_mfsrin_64b(DisasContext *ctx) 5391 { 5392 #if defined(CONFIG_USER_ONLY) 5393 GEN_PRIV; 5394 #else 5395 TCGv t0; 5396 5397 CHK_SV; 5398 t0 = tcg_temp_new(); 5399 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4); 5400 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 5401 tcg_temp_free(t0); 5402 #endif /* defined(CONFIG_USER_ONLY) */ 5403 } 5404 5405 /* mtsr */ 5406 static void gen_mtsr_64b(DisasContext *ctx) 5407 { 5408 #if defined(CONFIG_USER_ONLY) 5409 GEN_PRIV; 5410 #else 5411 TCGv t0; 5412 5413 CHK_SV; 5414 t0 = tcg_const_tl(SR(ctx->opcode)); 5415 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]); 5416 tcg_temp_free(t0); 5417 #endif /* defined(CONFIG_USER_ONLY) */ 5418 } 5419 5420 /* mtsrin */ 5421 static void gen_mtsrin_64b(DisasContext *ctx) 5422 { 5423 #if defined(CONFIG_USER_ONLY) 5424 GEN_PRIV; 5425 #else 5426 TCGv t0; 5427 5428 CHK_SV; 5429 t0 = tcg_temp_new(); 5430 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4); 5431 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]); 5432 tcg_temp_free(t0); 5433 #endif /* defined(CONFIG_USER_ONLY) */ 5434 } 5435 5436 /* slbmte */ 5437 static void gen_slbmte(DisasContext *ctx) 5438 { 5439 #if defined(CONFIG_USER_ONLY) 5440 GEN_PRIV; 5441 #else 5442 CHK_SV; 5443 5444 gen_helper_store_slb(cpu_env, cpu_gpr[rB(ctx->opcode)], 5445 cpu_gpr[rS(ctx->opcode)]); 5446 #endif /* defined(CONFIG_USER_ONLY) */ 5447 } 5448 5449 static void gen_slbmfee(DisasContext *ctx) 5450 { 5451 #if defined(CONFIG_USER_ONLY) 5452 GEN_PRIV; 5453 #else 5454 CHK_SV; 5455 5456 gen_helper_load_slb_esid(cpu_gpr[rS(ctx->opcode)], cpu_env, 5457 cpu_gpr[rB(ctx->opcode)]); 5458 #endif /* defined(CONFIG_USER_ONLY) */ 5459 } 5460 5461 static void gen_slbmfev(DisasContext *ctx) 5462 { 5463 #if defined(CONFIG_USER_ONLY) 5464 GEN_PRIV; 5465 #else 5466 CHK_SV; 5467 5468 gen_helper_load_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env, 5469 cpu_gpr[rB(ctx->opcode)]); 5470 #endif /* defined(CONFIG_USER_ONLY) */ 5471 } 5472 5473 static void gen_slbfee_(DisasContext *ctx) 5474 { 5475 #if defined(CONFIG_USER_ONLY) 5476 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); 5477 #else 5478 TCGLabel *l1, *l2; 5479 5480 if (unlikely(ctx->pr)) { 5481 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); 5482 return; 5483 } 5484 gen_helper_find_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env, 5485 cpu_gpr[rB(ctx->opcode)]); 5486 l1 = gen_new_label(); 5487 l2 = gen_new_label(); 5488 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 5489 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rS(ctx->opcode)], -1, l1); 5490 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ); 5491 tcg_gen_br(l2); 5492 gen_set_label(l1); 5493 tcg_gen_movi_tl(cpu_gpr[rS(ctx->opcode)], 0); 5494 gen_set_label(l2); 5495 #endif 5496 } 5497 #endif /* defined(TARGET_PPC64) */ 5498 5499 /*** Lookaside buffer management ***/ 5500 /* Optional & supervisor only: */ 5501 5502 /* tlbia */ 5503 static void gen_tlbia(DisasContext *ctx) 5504 { 5505 #if defined(CONFIG_USER_ONLY) 5506 GEN_PRIV; 5507 #else 5508 CHK_HV; 5509 5510 gen_helper_tlbia(cpu_env); 5511 #endif /* defined(CONFIG_USER_ONLY) */ 5512 } 5513 5514 /* tlbiel */ 5515 static void gen_tlbiel(DisasContext *ctx) 5516 { 5517 #if defined(CONFIG_USER_ONLY) 5518 GEN_PRIV; 5519 #else 5520 bool psr = (ctx->opcode >> 17) & 0x1; 5521 5522 if (ctx->pr || (!ctx->hv && !psr && ctx->hr)) { 5523 /* 5524 * tlbiel is privileged except when PSR=0 and HR=1, making it 5525 * hypervisor privileged. 5526 */ 5527 GEN_PRIV; 5528 } 5529 5530 gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5531 #endif /* defined(CONFIG_USER_ONLY) */ 5532 } 5533 5534 /* tlbie */ 5535 static void gen_tlbie(DisasContext *ctx) 5536 { 5537 #if defined(CONFIG_USER_ONLY) 5538 GEN_PRIV; 5539 #else 5540 bool psr = (ctx->opcode >> 17) & 0x1; 5541 TCGv_i32 t1; 5542 5543 if (ctx->pr) { 5544 /* tlbie is privileged... */ 5545 GEN_PRIV; 5546 } else if (!ctx->hv) { 5547 if (!ctx->gtse || (!psr && ctx->hr)) { 5548 /* 5549 * ... except when GTSE=0 or when PSR=0 and HR=1, making it 5550 * hypervisor privileged. 5551 */ 5552 GEN_PRIV; 5553 } 5554 } 5555 5556 if (NARROW_MODE(ctx)) { 5557 TCGv t0 = tcg_temp_new(); 5558 tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]); 5559 gen_helper_tlbie(cpu_env, t0); 5560 tcg_temp_free(t0); 5561 } else { 5562 gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5563 } 5564 t1 = tcg_temp_new_i32(); 5565 tcg_gen_ld_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush)); 5566 tcg_gen_ori_i32(t1, t1, TLB_NEED_GLOBAL_FLUSH); 5567 tcg_gen_st_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush)); 5568 tcg_temp_free_i32(t1); 5569 #endif /* defined(CONFIG_USER_ONLY) */ 5570 } 5571 5572 /* tlbsync */ 5573 static void gen_tlbsync(DisasContext *ctx) 5574 { 5575 #if defined(CONFIG_USER_ONLY) 5576 GEN_PRIV; 5577 #else 5578 5579 if (ctx->gtse) { 5580 CHK_SV; /* If gtse is set then tlbsync is supervisor privileged */ 5581 } else { 5582 CHK_HV; /* Else hypervisor privileged */ 5583 } 5584 5585 /* BookS does both ptesync and tlbsync make tlbsync a nop for server */ 5586 if (ctx->insns_flags & PPC_BOOKE) { 5587 gen_check_tlb_flush(ctx, true); 5588 } 5589 #endif /* defined(CONFIG_USER_ONLY) */ 5590 } 5591 5592 #if defined(TARGET_PPC64) 5593 /* slbia */ 5594 static void gen_slbia(DisasContext *ctx) 5595 { 5596 #if defined(CONFIG_USER_ONLY) 5597 GEN_PRIV; 5598 #else 5599 uint32_t ih = (ctx->opcode >> 21) & 0x7; 5600 TCGv_i32 t0 = tcg_const_i32(ih); 5601 5602 CHK_SV; 5603 5604 gen_helper_slbia(cpu_env, t0); 5605 tcg_temp_free_i32(t0); 5606 #endif /* defined(CONFIG_USER_ONLY) */ 5607 } 5608 5609 /* slbie */ 5610 static void gen_slbie(DisasContext *ctx) 5611 { 5612 #if defined(CONFIG_USER_ONLY) 5613 GEN_PRIV; 5614 #else 5615 CHK_SV; 5616 5617 gen_helper_slbie(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5618 #endif /* defined(CONFIG_USER_ONLY) */ 5619 } 5620 5621 /* slbieg */ 5622 static void gen_slbieg(DisasContext *ctx) 5623 { 5624 #if defined(CONFIG_USER_ONLY) 5625 GEN_PRIV; 5626 #else 5627 CHK_SV; 5628 5629 gen_helper_slbieg(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5630 #endif /* defined(CONFIG_USER_ONLY) */ 5631 } 5632 5633 /* slbsync */ 5634 static void gen_slbsync(DisasContext *ctx) 5635 { 5636 #if defined(CONFIG_USER_ONLY) 5637 GEN_PRIV; 5638 #else 5639 CHK_SV; 5640 gen_check_tlb_flush(ctx, true); 5641 #endif /* defined(CONFIG_USER_ONLY) */ 5642 } 5643 5644 #endif /* defined(TARGET_PPC64) */ 5645 5646 /*** External control ***/ 5647 /* Optional: */ 5648 5649 /* eciwx */ 5650 static void gen_eciwx(DisasContext *ctx) 5651 { 5652 TCGv t0; 5653 /* Should check EAR[E] ! */ 5654 gen_set_access_type(ctx, ACCESS_EXT); 5655 t0 = tcg_temp_new(); 5656 gen_addr_reg_index(ctx, t0); 5657 tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx, 5658 DEF_MEMOP(MO_UL | MO_ALIGN)); 5659 tcg_temp_free(t0); 5660 } 5661 5662 /* ecowx */ 5663 static void gen_ecowx(DisasContext *ctx) 5664 { 5665 TCGv t0; 5666 /* Should check EAR[E] ! */ 5667 gen_set_access_type(ctx, ACCESS_EXT); 5668 t0 = tcg_temp_new(); 5669 gen_addr_reg_index(ctx, t0); 5670 tcg_gen_qemu_st_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx, 5671 DEF_MEMOP(MO_UL | MO_ALIGN)); 5672 tcg_temp_free(t0); 5673 } 5674 5675 /* PowerPC 601 specific instructions */ 5676 5677 /* abs - abs. */ 5678 static void gen_abs(DisasContext *ctx) 5679 { 5680 TCGv d = cpu_gpr[rD(ctx->opcode)]; 5681 TCGv a = cpu_gpr[rA(ctx->opcode)]; 5682 5683 tcg_gen_abs_tl(d, a); 5684 if (unlikely(Rc(ctx->opcode) != 0)) { 5685 gen_set_Rc0(ctx, d); 5686 } 5687 } 5688 5689 /* abso - abso. */ 5690 static void gen_abso(DisasContext *ctx) 5691 { 5692 TCGv d = cpu_gpr[rD(ctx->opcode)]; 5693 TCGv a = cpu_gpr[rA(ctx->opcode)]; 5694 5695 tcg_gen_setcondi_tl(TCG_COND_EQ, cpu_ov, a, 0x80000000); 5696 tcg_gen_abs_tl(d, a); 5697 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 5698 if (unlikely(Rc(ctx->opcode) != 0)) { 5699 gen_set_Rc0(ctx, d); 5700 } 5701 } 5702 5703 /* clcs */ 5704 static void gen_clcs(DisasContext *ctx) 5705 { 5706 TCGv_i32 t0 = tcg_const_i32(rA(ctx->opcode)); 5707 gen_helper_clcs(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 5708 tcg_temp_free_i32(t0); 5709 /* Rc=1 sets CR0 to an undefined state */ 5710 } 5711 5712 /* div - div. */ 5713 static void gen_div(DisasContext *ctx) 5714 { 5715 gen_helper_div(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)], 5716 cpu_gpr[rB(ctx->opcode)]); 5717 if (unlikely(Rc(ctx->opcode) != 0)) { 5718 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5719 } 5720 } 5721 5722 /* divo - divo. */ 5723 static void gen_divo(DisasContext *ctx) 5724 { 5725 gen_helper_divo(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)], 5726 cpu_gpr[rB(ctx->opcode)]); 5727 if (unlikely(Rc(ctx->opcode) != 0)) { 5728 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5729 } 5730 } 5731 5732 /* divs - divs. */ 5733 static void gen_divs(DisasContext *ctx) 5734 { 5735 gen_helper_divs(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)], 5736 cpu_gpr[rB(ctx->opcode)]); 5737 if (unlikely(Rc(ctx->opcode) != 0)) { 5738 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5739 } 5740 } 5741 5742 /* divso - divso. */ 5743 static void gen_divso(DisasContext *ctx) 5744 { 5745 gen_helper_divso(cpu_gpr[rD(ctx->opcode)], cpu_env, 5746 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 5747 if (unlikely(Rc(ctx->opcode) != 0)) { 5748 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5749 } 5750 } 5751 5752 /* doz - doz. */ 5753 static void gen_doz(DisasContext *ctx) 5754 { 5755 TCGLabel *l1 = gen_new_label(); 5756 TCGLabel *l2 = gen_new_label(); 5757 tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], 5758 cpu_gpr[rA(ctx->opcode)], l1); 5759 tcg_gen_sub_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 5760 cpu_gpr[rA(ctx->opcode)]); 5761 tcg_gen_br(l2); 5762 gen_set_label(l1); 5763 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0); 5764 gen_set_label(l2); 5765 if (unlikely(Rc(ctx->opcode) != 0)) { 5766 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5767 } 5768 } 5769 5770 /* dozo - dozo. */ 5771 static void gen_dozo(DisasContext *ctx) 5772 { 5773 TCGLabel *l1 = gen_new_label(); 5774 TCGLabel *l2 = gen_new_label(); 5775 TCGv t0 = tcg_temp_new(); 5776 TCGv t1 = tcg_temp_new(); 5777 TCGv t2 = tcg_temp_new(); 5778 /* Start with XER OV disabled, the most likely case */ 5779 tcg_gen_movi_tl(cpu_ov, 0); 5780 tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], 5781 cpu_gpr[rA(ctx->opcode)], l1); 5782 tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); 5783 tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); 5784 tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0); 5785 tcg_gen_andc_tl(t1, t1, t2); 5786 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0); 5787 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2); 5788 tcg_gen_movi_tl(cpu_ov, 1); 5789 tcg_gen_movi_tl(cpu_so, 1); 5790 tcg_gen_br(l2); 5791 gen_set_label(l1); 5792 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0); 5793 gen_set_label(l2); 5794 tcg_temp_free(t0); 5795 tcg_temp_free(t1); 5796 tcg_temp_free(t2); 5797 if (unlikely(Rc(ctx->opcode) != 0)) { 5798 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5799 } 5800 } 5801 5802 /* dozi */ 5803 static void gen_dozi(DisasContext *ctx) 5804 { 5805 target_long simm = SIMM(ctx->opcode); 5806 TCGLabel *l1 = gen_new_label(); 5807 TCGLabel *l2 = gen_new_label(); 5808 tcg_gen_brcondi_tl(TCG_COND_LT, cpu_gpr[rA(ctx->opcode)], simm, l1); 5809 tcg_gen_subfi_tl(cpu_gpr[rD(ctx->opcode)], simm, cpu_gpr[rA(ctx->opcode)]); 5810 tcg_gen_br(l2); 5811 gen_set_label(l1); 5812 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0); 5813 gen_set_label(l2); 5814 if (unlikely(Rc(ctx->opcode) != 0)) { 5815 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5816 } 5817 } 5818 5819 /* lscbx - lscbx. */ 5820 static void gen_lscbx(DisasContext *ctx) 5821 { 5822 TCGv t0 = tcg_temp_new(); 5823 TCGv_i32 t1 = tcg_const_i32(rD(ctx->opcode)); 5824 TCGv_i32 t2 = tcg_const_i32(rA(ctx->opcode)); 5825 TCGv_i32 t3 = tcg_const_i32(rB(ctx->opcode)); 5826 5827 gen_addr_reg_index(ctx, t0); 5828 gen_helper_lscbx(t0, cpu_env, t0, t1, t2, t3); 5829 tcg_temp_free_i32(t1); 5830 tcg_temp_free_i32(t2); 5831 tcg_temp_free_i32(t3); 5832 tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F); 5833 tcg_gen_or_tl(cpu_xer, cpu_xer, t0); 5834 if (unlikely(Rc(ctx->opcode) != 0)) { 5835 gen_set_Rc0(ctx, t0); 5836 } 5837 tcg_temp_free(t0); 5838 } 5839 5840 /* maskg - maskg. */ 5841 static void gen_maskg(DisasContext *ctx) 5842 { 5843 TCGLabel *l1 = gen_new_label(); 5844 TCGv t0 = tcg_temp_new(); 5845 TCGv t1 = tcg_temp_new(); 5846 TCGv t2 = tcg_temp_new(); 5847 TCGv t3 = tcg_temp_new(); 5848 tcg_gen_movi_tl(t3, 0xFFFFFFFF); 5849 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); 5850 tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F); 5851 tcg_gen_addi_tl(t2, t0, 1); 5852 tcg_gen_shr_tl(t2, t3, t2); 5853 tcg_gen_shr_tl(t3, t3, t1); 5854 tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3); 5855 tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1); 5856 tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); 5857 gen_set_label(l1); 5858 tcg_temp_free(t0); 5859 tcg_temp_free(t1); 5860 tcg_temp_free(t2); 5861 tcg_temp_free(t3); 5862 if (unlikely(Rc(ctx->opcode) != 0)) { 5863 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5864 } 5865 } 5866 5867 /* maskir - maskir. */ 5868 static void gen_maskir(DisasContext *ctx) 5869 { 5870 TCGv t0 = tcg_temp_new(); 5871 TCGv t1 = tcg_temp_new(); 5872 tcg_gen_and_tl(t0, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 5873 tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 5874 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 5875 tcg_temp_free(t0); 5876 tcg_temp_free(t1); 5877 if (unlikely(Rc(ctx->opcode) != 0)) { 5878 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5879 } 5880 } 5881 5882 /* mul - mul. */ 5883 static void gen_mul(DisasContext *ctx) 5884 { 5885 TCGv_i64 t0 = tcg_temp_new_i64(); 5886 TCGv_i64 t1 = tcg_temp_new_i64(); 5887 TCGv t2 = tcg_temp_new(); 5888 tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]); 5889 tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]); 5890 tcg_gen_mul_i64(t0, t0, t1); 5891 tcg_gen_trunc_i64_tl(t2, t0); 5892 gen_store_spr(SPR_MQ, t2); 5893 tcg_gen_shri_i64(t1, t0, 32); 5894 tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1); 5895 tcg_temp_free_i64(t0); 5896 tcg_temp_free_i64(t1); 5897 tcg_temp_free(t2); 5898 if (unlikely(Rc(ctx->opcode) != 0)) { 5899 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5900 } 5901 } 5902 5903 /* mulo - mulo. */ 5904 static void gen_mulo(DisasContext *ctx) 5905 { 5906 TCGLabel *l1 = gen_new_label(); 5907 TCGv_i64 t0 = tcg_temp_new_i64(); 5908 TCGv_i64 t1 = tcg_temp_new_i64(); 5909 TCGv t2 = tcg_temp_new(); 5910 /* Start with XER OV disabled, the most likely case */ 5911 tcg_gen_movi_tl(cpu_ov, 0); 5912 tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]); 5913 tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]); 5914 tcg_gen_mul_i64(t0, t0, t1); 5915 tcg_gen_trunc_i64_tl(t2, t0); 5916 gen_store_spr(SPR_MQ, t2); 5917 tcg_gen_shri_i64(t1, t0, 32); 5918 tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1); 5919 tcg_gen_ext32s_i64(t1, t0); 5920 tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1); 5921 tcg_gen_movi_tl(cpu_ov, 1); 5922 tcg_gen_movi_tl(cpu_so, 1); 5923 gen_set_label(l1); 5924 tcg_temp_free_i64(t0); 5925 tcg_temp_free_i64(t1); 5926 tcg_temp_free(t2); 5927 if (unlikely(Rc(ctx->opcode) != 0)) { 5928 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5929 } 5930 } 5931 5932 /* nabs - nabs. */ 5933 static void gen_nabs(DisasContext *ctx) 5934 { 5935 TCGv d = cpu_gpr[rD(ctx->opcode)]; 5936 TCGv a = cpu_gpr[rA(ctx->opcode)]; 5937 5938 tcg_gen_abs_tl(d, a); 5939 tcg_gen_neg_tl(d, d); 5940 if (unlikely(Rc(ctx->opcode) != 0)) { 5941 gen_set_Rc0(ctx, d); 5942 } 5943 } 5944 5945 /* nabso - nabso. */ 5946 static void gen_nabso(DisasContext *ctx) 5947 { 5948 TCGv d = cpu_gpr[rD(ctx->opcode)]; 5949 TCGv a = cpu_gpr[rA(ctx->opcode)]; 5950 5951 tcg_gen_abs_tl(d, a); 5952 tcg_gen_neg_tl(d, d); 5953 /* nabs never overflows */ 5954 tcg_gen_movi_tl(cpu_ov, 0); 5955 if (unlikely(Rc(ctx->opcode) != 0)) { 5956 gen_set_Rc0(ctx, d); 5957 } 5958 } 5959 5960 /* rlmi - rlmi. */ 5961 static void gen_rlmi(DisasContext *ctx) 5962 { 5963 uint32_t mb = MB(ctx->opcode); 5964 uint32_t me = ME(ctx->opcode); 5965 TCGv t0 = tcg_temp_new(); 5966 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); 5967 tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 5968 tcg_gen_andi_tl(t0, t0, MASK(mb, me)); 5969 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 5970 ~MASK(mb, me)); 5971 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0); 5972 tcg_temp_free(t0); 5973 if (unlikely(Rc(ctx->opcode) != 0)) { 5974 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5975 } 5976 } 5977 5978 /* rrib - rrib. */ 5979 static void gen_rrib(DisasContext *ctx) 5980 { 5981 TCGv t0 = tcg_temp_new(); 5982 TCGv t1 = tcg_temp_new(); 5983 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); 5984 tcg_gen_movi_tl(t1, 0x80000000); 5985 tcg_gen_shr_tl(t1, t1, t0); 5986 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 5987 tcg_gen_and_tl(t0, t0, t1); 5988 tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1); 5989 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 5990 tcg_temp_free(t0); 5991 tcg_temp_free(t1); 5992 if (unlikely(Rc(ctx->opcode) != 0)) { 5993 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5994 } 5995 } 5996 5997 /* sle - sle. */ 5998 static void gen_sle(DisasContext *ctx) 5999 { 6000 TCGv t0 = tcg_temp_new(); 6001 TCGv t1 = tcg_temp_new(); 6002 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); 6003 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); 6004 tcg_gen_subfi_tl(t1, 32, t1); 6005 tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1); 6006 tcg_gen_or_tl(t1, t0, t1); 6007 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); 6008 gen_store_spr(SPR_MQ, t1); 6009 tcg_temp_free(t0); 6010 tcg_temp_free(t1); 6011 if (unlikely(Rc(ctx->opcode) != 0)) { 6012 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 6013 } 6014 } 6015 6016 /* sleq - sleq. */ 6017 static void gen_sleq(DisasContext *ctx) 6018 { 6019 TCGv t0 = tcg_temp_new(); 6020 TCGv t1 = tcg_temp_new(); 6021 TCGv t2 = tcg_temp_new(); 6022 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); 6023 tcg_gen_movi_tl(t2, 0xFFFFFFFF); 6024 tcg_gen_shl_tl(t2, t2, t0); 6025 tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 6026 gen_load_spr(t1, SPR_MQ); 6027 gen_store_spr(SPR_MQ, t0); 6028 tcg_gen_and_tl(t0, t0, t2); 6029 tcg_gen_andc_tl(t1, t1, t2); 6030 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 6031 tcg_temp_free(t0); 6032 tcg_temp_free(t1); 6033 tcg_temp_free(t2); 6034 if (unlikely(Rc(ctx->opcode) != 0)) { 6035 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 6036 } 6037 } 6038 6039 /* sliq - sliq. */ 6040 static void gen_sliq(DisasContext *ctx) 6041 { 6042 int sh = SH(ctx->opcode); 6043 TCGv t0 = tcg_temp_new(); 6044 TCGv t1 = tcg_temp_new(); 6045 tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); 6046 tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh); 6047 tcg_gen_or_tl(t1, t0, t1); 6048 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); 6049 gen_store_spr(SPR_MQ, t1); 6050 tcg_temp_free(t0); 6051 tcg_temp_free(t1); 6052 if (unlikely(Rc(ctx->opcode) != 0)) { 6053 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 6054 } 6055 } 6056 6057 /* slliq - slliq. */ 6058 static void gen_slliq(DisasContext *ctx) 6059 { 6060 int sh = SH(ctx->opcode); 6061 TCGv t0 = tcg_temp_new(); 6062 TCGv t1 = tcg_temp_new(); 6063 tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); 6064 gen_load_spr(t1, SPR_MQ); 6065 gen_store_spr(SPR_MQ, t0); 6066 tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU << sh)); 6067 tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh)); 6068 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 6069 tcg_temp_free(t0); 6070 tcg_temp_free(t1); 6071 if (unlikely(Rc(ctx->opcode) != 0)) { 6072 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 6073 } 6074 } 6075 6076 /* sllq - sllq. */ 6077 static void gen_sllq(DisasContext *ctx) 6078 { 6079 TCGLabel *l1 = gen_new_label(); 6080 TCGLabel *l2 = gen_new_label(); 6081 TCGv t0 = tcg_temp_local_new(); 6082 TCGv t1 = tcg_temp_local_new(); 6083 TCGv t2 = tcg_temp_local_new(); 6084 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F); 6085 tcg_gen_movi_tl(t1, 0xFFFFFFFF); 6086 tcg_gen_shl_tl(t1, t1, t2); 6087 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20); 6088 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); 6089 gen_load_spr(t0, SPR_MQ); 6090 tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 6091 tcg_gen_br(l2); 6092 gen_set_label(l1); 6093 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2); 6094 gen_load_spr(t2, SPR_MQ); 6095 tcg_gen_andc_tl(t1, t2, t1); 6096 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 6097 gen_set_label(l2); 6098 tcg_temp_free(t0); 6099 tcg_temp_free(t1); 6100 tcg_temp_free(t2); 6101 if (unlikely(Rc(ctx->opcode) != 0)) { 6102 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 6103 } 6104 } 6105 6106 /* slq - slq. */ 6107 static void gen_slq(DisasContext *ctx) 6108 { 6109 TCGLabel *l1 = gen_new_label(); 6110 TCGv t0 = tcg_temp_new(); 6111 TCGv t1 = tcg_temp_new(); 6112 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); 6113 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); 6114 tcg_gen_subfi_tl(t1, 32, t1); 6115 tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1); 6116 tcg_gen_or_tl(t1, t0, t1); 6117 gen_store_spr(SPR_MQ, t1); 6118 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20); 6119 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); 6120 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); 6121 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); 6122 gen_set_label(l1); 6123 tcg_temp_free(t0); 6124 tcg_temp_free(t1); 6125 if (unlikely(Rc(ctx->opcode) != 0)) { 6126 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 6127 } 6128 } 6129 6130 /* sraiq - sraiq. */ 6131 static void gen_sraiq(DisasContext *ctx) 6132 { 6133 int sh = SH(ctx->opcode); 6134 TCGLabel *l1 = gen_new_label(); 6135 TCGv t0 = tcg_temp_new(); 6136 TCGv t1 = tcg_temp_new(); 6137 tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); 6138 tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh); 6139 tcg_gen_or_tl(t0, t0, t1); 6140 gen_store_spr(SPR_MQ, t0); 6141 tcg_gen_movi_tl(cpu_ca, 0); 6142 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); 6143 tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1); 6144 tcg_gen_movi_tl(cpu_ca, 1); 6145 gen_set_label(l1); 6146 tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh); 6147 tcg_temp_free(t0); 6148 tcg_temp_free(t1); 6149 if (unlikely(Rc(ctx->opcode) != 0)) { 6150 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 6151 } 6152 } 6153 6154 /* sraq - sraq. */ 6155 static void gen_sraq(DisasContext *ctx) 6156 { 6157 TCGLabel *l1 = gen_new_label(); 6158 TCGLabel *l2 = gen_new_label(); 6159 TCGv t0 = tcg_temp_new(); 6160 TCGv t1 = tcg_temp_local_new(); 6161 TCGv t2 = tcg_temp_local_new(); 6162 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F); 6163 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2); 6164 tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2); 6165 tcg_gen_subfi_tl(t2, 32, t2); 6166 tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2); 6167 tcg_gen_or_tl(t0, t0, t2); 6168 gen_store_spr(SPR_MQ, t0); 6169 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20); 6170 tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1); 6171 tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]); 6172 tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31); 6173 gen_set_label(l1); 6174 tcg_temp_free(t0); 6175 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1); 6176 tcg_gen_movi_tl(cpu_ca, 0); 6177 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2); 6178 tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2); 6179 tcg_gen_movi_tl(cpu_ca, 1); 6180 gen_set_label(l2); 6181 tcg_temp_free(t1); 6182 tcg_temp_free(t2); 6183 if (unlikely(Rc(ctx->opcode) != 0)) { 6184 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 6185 } 6186 } 6187 6188 /* sre - sre. */ 6189 static void gen_sre(DisasContext *ctx) 6190 { 6191 TCGv t0 = tcg_temp_new(); 6192 TCGv t1 = tcg_temp_new(); 6193 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); 6194 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); 6195 tcg_gen_subfi_tl(t1, 32, t1); 6196 tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1); 6197 tcg_gen_or_tl(t1, t0, t1); 6198 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); 6199 gen_store_spr(SPR_MQ, t1); 6200 tcg_temp_free(t0); 6201 tcg_temp_free(t1); 6202 if (unlikely(Rc(ctx->opcode) != 0)) { 6203 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 6204 } 6205 } 6206 6207 /* srea - srea. */ 6208 static void gen_srea(DisasContext *ctx) 6209 { 6210 TCGv t0 = tcg_temp_new(); 6211 TCGv t1 = tcg_temp_new(); 6212 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); 6213 tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); 6214 gen_store_spr(SPR_MQ, t0); 6215 tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1); 6216 tcg_temp_free(t0); 6217 tcg_temp_free(t1); 6218 if (unlikely(Rc(ctx->opcode) != 0)) { 6219 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 6220 } 6221 } 6222 6223 /* sreq */ 6224 static void gen_sreq(DisasContext *ctx) 6225 { 6226 TCGv t0 = tcg_temp_new(); 6227 TCGv t1 = tcg_temp_new(); 6228 TCGv t2 = tcg_temp_new(); 6229 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); 6230 tcg_gen_movi_tl(t1, 0xFFFFFFFF); 6231 tcg_gen_shr_tl(t1, t1, t0); 6232 tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 6233 gen_load_spr(t2, SPR_MQ); 6234 gen_store_spr(SPR_MQ, t0); 6235 tcg_gen_and_tl(t0, t0, t1); 6236 tcg_gen_andc_tl(t2, t2, t1); 6237 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2); 6238 tcg_temp_free(t0); 6239 tcg_temp_free(t1); 6240 tcg_temp_free(t2); 6241 if (unlikely(Rc(ctx->opcode) != 0)) { 6242 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 6243 } 6244 } 6245 6246 /* sriq */ 6247 static void gen_sriq(DisasContext *ctx) 6248 { 6249 int sh = SH(ctx->opcode); 6250 TCGv t0 = tcg_temp_new(); 6251 TCGv t1 = tcg_temp_new(); 6252 tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); 6253 tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh); 6254 tcg_gen_or_tl(t1, t0, t1); 6255 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); 6256 gen_store_spr(SPR_MQ, t1); 6257 tcg_temp_free(t0); 6258 tcg_temp_free(t1); 6259 if (unlikely(Rc(ctx->opcode) != 0)) { 6260 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 6261 } 6262 } 6263 6264 /* srliq */ 6265 static void gen_srliq(DisasContext *ctx) 6266 { 6267 int sh = SH(ctx->opcode); 6268 TCGv t0 = tcg_temp_new(); 6269 TCGv t1 = tcg_temp_new(); 6270 tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); 6271 gen_load_spr(t1, SPR_MQ); 6272 gen_store_spr(SPR_MQ, t0); 6273 tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU >> sh)); 6274 tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh)); 6275 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 6276 tcg_temp_free(t0); 6277 tcg_temp_free(t1); 6278 if (unlikely(Rc(ctx->opcode) != 0)) { 6279 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 6280 } 6281 } 6282 6283 /* srlq */ 6284 static void gen_srlq(DisasContext *ctx) 6285 { 6286 TCGLabel *l1 = gen_new_label(); 6287 TCGLabel *l2 = gen_new_label(); 6288 TCGv t0 = tcg_temp_local_new(); 6289 TCGv t1 = tcg_temp_local_new(); 6290 TCGv t2 = tcg_temp_local_new(); 6291 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F); 6292 tcg_gen_movi_tl(t1, 0xFFFFFFFF); 6293 tcg_gen_shr_tl(t2, t1, t2); 6294 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20); 6295 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); 6296 gen_load_spr(t0, SPR_MQ); 6297 tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2); 6298 tcg_gen_br(l2); 6299 gen_set_label(l1); 6300 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2); 6301 tcg_gen_and_tl(t0, t0, t2); 6302 gen_load_spr(t1, SPR_MQ); 6303 tcg_gen_andc_tl(t1, t1, t2); 6304 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 6305 gen_set_label(l2); 6306 tcg_temp_free(t0); 6307 tcg_temp_free(t1); 6308 tcg_temp_free(t2); 6309 if (unlikely(Rc(ctx->opcode) != 0)) { 6310 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 6311 } 6312 } 6313 6314 /* srq */ 6315 static void gen_srq(DisasContext *ctx) 6316 { 6317 TCGLabel *l1 = gen_new_label(); 6318 TCGv t0 = tcg_temp_new(); 6319 TCGv t1 = tcg_temp_new(); 6320 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); 6321 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); 6322 tcg_gen_subfi_tl(t1, 32, t1); 6323 tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1); 6324 tcg_gen_or_tl(t1, t0, t1); 6325 gen_store_spr(SPR_MQ, t1); 6326 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20); 6327 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); 6328 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); 6329 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); 6330 gen_set_label(l1); 6331 tcg_temp_free(t0); 6332 tcg_temp_free(t1); 6333 if (unlikely(Rc(ctx->opcode) != 0)) { 6334 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 6335 } 6336 } 6337 6338 /* PowerPC 602 specific instructions */ 6339 6340 /* dsa */ 6341 static void gen_dsa(DisasContext *ctx) 6342 { 6343 /* XXX: TODO */ 6344 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6345 } 6346 6347 /* esa */ 6348 static void gen_esa(DisasContext *ctx) 6349 { 6350 /* XXX: TODO */ 6351 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6352 } 6353 6354 /* mfrom */ 6355 static void gen_mfrom(DisasContext *ctx) 6356 { 6357 #if defined(CONFIG_USER_ONLY) 6358 GEN_PRIV; 6359 #else 6360 CHK_SV; 6361 gen_helper_602_mfrom(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); 6362 #endif /* defined(CONFIG_USER_ONLY) */ 6363 } 6364 6365 /* 602 - 603 - G2 TLB management */ 6366 6367 /* tlbld */ 6368 static void gen_tlbld_6xx(DisasContext *ctx) 6369 { 6370 #if defined(CONFIG_USER_ONLY) 6371 GEN_PRIV; 6372 #else 6373 CHK_SV; 6374 gen_helper_6xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]); 6375 #endif /* defined(CONFIG_USER_ONLY) */ 6376 } 6377 6378 /* tlbli */ 6379 static void gen_tlbli_6xx(DisasContext *ctx) 6380 { 6381 #if defined(CONFIG_USER_ONLY) 6382 GEN_PRIV; 6383 #else 6384 CHK_SV; 6385 gen_helper_6xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]); 6386 #endif /* defined(CONFIG_USER_ONLY) */ 6387 } 6388 6389 /* 74xx TLB management */ 6390 6391 /* tlbld */ 6392 static void gen_tlbld_74xx(DisasContext *ctx) 6393 { 6394 #if defined(CONFIG_USER_ONLY) 6395 GEN_PRIV; 6396 #else 6397 CHK_SV; 6398 gen_helper_74xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]); 6399 #endif /* defined(CONFIG_USER_ONLY) */ 6400 } 6401 6402 /* tlbli */ 6403 static void gen_tlbli_74xx(DisasContext *ctx) 6404 { 6405 #if defined(CONFIG_USER_ONLY) 6406 GEN_PRIV; 6407 #else 6408 CHK_SV; 6409 gen_helper_74xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]); 6410 #endif /* defined(CONFIG_USER_ONLY) */ 6411 } 6412 6413 /* POWER instructions not in PowerPC 601 */ 6414 6415 /* clf */ 6416 static void gen_clf(DisasContext *ctx) 6417 { 6418 /* Cache line flush: implemented as no-op */ 6419 } 6420 6421 /* cli */ 6422 static void gen_cli(DisasContext *ctx) 6423 { 6424 #if defined(CONFIG_USER_ONLY) 6425 GEN_PRIV; 6426 #else 6427 /* Cache line invalidate: privileged and treated as no-op */ 6428 CHK_SV; 6429 #endif /* defined(CONFIG_USER_ONLY) */ 6430 } 6431 6432 /* dclst */ 6433 static void gen_dclst(DisasContext *ctx) 6434 { 6435 /* Data cache line store: treated as no-op */ 6436 } 6437 6438 static void gen_mfsri(DisasContext *ctx) 6439 { 6440 #if defined(CONFIG_USER_ONLY) 6441 GEN_PRIV; 6442 #else 6443 int ra = rA(ctx->opcode); 6444 int rd = rD(ctx->opcode); 6445 TCGv t0; 6446 6447 CHK_SV; 6448 t0 = tcg_temp_new(); 6449 gen_addr_reg_index(ctx, t0); 6450 tcg_gen_extract_tl(t0, t0, 28, 4); 6451 gen_helper_load_sr(cpu_gpr[rd], cpu_env, t0); 6452 tcg_temp_free(t0); 6453 if (ra != 0 && ra != rd) { 6454 tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rd]); 6455 } 6456 #endif /* defined(CONFIG_USER_ONLY) */ 6457 } 6458 6459 static void gen_rac(DisasContext *ctx) 6460 { 6461 #if defined(CONFIG_USER_ONLY) 6462 GEN_PRIV; 6463 #else 6464 TCGv t0; 6465 6466 CHK_SV; 6467 t0 = tcg_temp_new(); 6468 gen_addr_reg_index(ctx, t0); 6469 gen_helper_rac(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 6470 tcg_temp_free(t0); 6471 #endif /* defined(CONFIG_USER_ONLY) */ 6472 } 6473 6474 static void gen_rfsvc(DisasContext *ctx) 6475 { 6476 #if defined(CONFIG_USER_ONLY) 6477 GEN_PRIV; 6478 #else 6479 CHK_SV; 6480 6481 gen_helper_rfsvc(cpu_env); 6482 ctx->base.is_jmp = DISAS_EXIT; 6483 #endif /* defined(CONFIG_USER_ONLY) */ 6484 } 6485 6486 /* svc is not implemented for now */ 6487 6488 /* BookE specific instructions */ 6489 6490 /* XXX: not implemented on 440 ? */ 6491 static void gen_mfapidi(DisasContext *ctx) 6492 { 6493 /* XXX: TODO */ 6494 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6495 } 6496 6497 /* XXX: not implemented on 440 ? */ 6498 static void gen_tlbiva(DisasContext *ctx) 6499 { 6500 #if defined(CONFIG_USER_ONLY) 6501 GEN_PRIV; 6502 #else 6503 TCGv t0; 6504 6505 CHK_SV; 6506 t0 = tcg_temp_new(); 6507 gen_addr_reg_index(ctx, t0); 6508 gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]); 6509 tcg_temp_free(t0); 6510 #endif /* defined(CONFIG_USER_ONLY) */ 6511 } 6512 6513 /* All 405 MAC instructions are translated here */ 6514 static inline void gen_405_mulladd_insn(DisasContext *ctx, int opc2, int opc3, 6515 int ra, int rb, int rt, int Rc) 6516 { 6517 TCGv t0, t1; 6518 6519 t0 = tcg_temp_local_new(); 6520 t1 = tcg_temp_local_new(); 6521 6522 switch (opc3 & 0x0D) { 6523 case 0x05: 6524 /* macchw - macchw. - macchwo - macchwo. */ 6525 /* macchws - macchws. - macchwso - macchwso. */ 6526 /* nmacchw - nmacchw. - nmacchwo - nmacchwo. */ 6527 /* nmacchws - nmacchws. - nmacchwso - nmacchwso. */ 6528 /* mulchw - mulchw. */ 6529 tcg_gen_ext16s_tl(t0, cpu_gpr[ra]); 6530 tcg_gen_sari_tl(t1, cpu_gpr[rb], 16); 6531 tcg_gen_ext16s_tl(t1, t1); 6532 break; 6533 case 0x04: 6534 /* macchwu - macchwu. - macchwuo - macchwuo. */ 6535 /* macchwsu - macchwsu. - macchwsuo - macchwsuo. */ 6536 /* mulchwu - mulchwu. */ 6537 tcg_gen_ext16u_tl(t0, cpu_gpr[ra]); 6538 tcg_gen_shri_tl(t1, cpu_gpr[rb], 16); 6539 tcg_gen_ext16u_tl(t1, t1); 6540 break; 6541 case 0x01: 6542 /* machhw - machhw. - machhwo - machhwo. */ 6543 /* machhws - machhws. - machhwso - machhwso. */ 6544 /* nmachhw - nmachhw. - nmachhwo - nmachhwo. */ 6545 /* nmachhws - nmachhws. - nmachhwso - nmachhwso. */ 6546 /* mulhhw - mulhhw. */ 6547 tcg_gen_sari_tl(t0, cpu_gpr[ra], 16); 6548 tcg_gen_ext16s_tl(t0, t0); 6549 tcg_gen_sari_tl(t1, cpu_gpr[rb], 16); 6550 tcg_gen_ext16s_tl(t1, t1); 6551 break; 6552 case 0x00: 6553 /* machhwu - machhwu. - machhwuo - machhwuo. */ 6554 /* machhwsu - machhwsu. - machhwsuo - machhwsuo. */ 6555 /* mulhhwu - mulhhwu. */ 6556 tcg_gen_shri_tl(t0, cpu_gpr[ra], 16); 6557 tcg_gen_ext16u_tl(t0, t0); 6558 tcg_gen_shri_tl(t1, cpu_gpr[rb], 16); 6559 tcg_gen_ext16u_tl(t1, t1); 6560 break; 6561 case 0x0D: 6562 /* maclhw - maclhw. - maclhwo - maclhwo. */ 6563 /* maclhws - maclhws. - maclhwso - maclhwso. */ 6564 /* nmaclhw - nmaclhw. - nmaclhwo - nmaclhwo. */ 6565 /* nmaclhws - nmaclhws. - nmaclhwso - nmaclhwso. */ 6566 /* mullhw - mullhw. */ 6567 tcg_gen_ext16s_tl(t0, cpu_gpr[ra]); 6568 tcg_gen_ext16s_tl(t1, cpu_gpr[rb]); 6569 break; 6570 case 0x0C: 6571 /* maclhwu - maclhwu. - maclhwuo - maclhwuo. */ 6572 /* maclhwsu - maclhwsu. - maclhwsuo - maclhwsuo. */ 6573 /* mullhwu - mullhwu. */ 6574 tcg_gen_ext16u_tl(t0, cpu_gpr[ra]); 6575 tcg_gen_ext16u_tl(t1, cpu_gpr[rb]); 6576 break; 6577 } 6578 if (opc2 & 0x04) { 6579 /* (n)multiply-and-accumulate (0x0C / 0x0E) */ 6580 tcg_gen_mul_tl(t1, t0, t1); 6581 if (opc2 & 0x02) { 6582 /* nmultiply-and-accumulate (0x0E) */ 6583 tcg_gen_sub_tl(t0, cpu_gpr[rt], t1); 6584 } else { 6585 /* multiply-and-accumulate (0x0C) */ 6586 tcg_gen_add_tl(t0, cpu_gpr[rt], t1); 6587 } 6588 6589 if (opc3 & 0x12) { 6590 /* Check overflow and/or saturate */ 6591 TCGLabel *l1 = gen_new_label(); 6592 6593 if (opc3 & 0x10) { 6594 /* Start with XER OV disabled, the most likely case */ 6595 tcg_gen_movi_tl(cpu_ov, 0); 6596 } 6597 if (opc3 & 0x01) { 6598 /* Signed */ 6599 tcg_gen_xor_tl(t1, cpu_gpr[rt], t1); 6600 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 6601 tcg_gen_xor_tl(t1, cpu_gpr[rt], t0); 6602 tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1); 6603 if (opc3 & 0x02) { 6604 /* Saturate */ 6605 tcg_gen_sari_tl(t0, cpu_gpr[rt], 31); 6606 tcg_gen_xori_tl(t0, t0, 0x7fffffff); 6607 } 6608 } else { 6609 /* Unsigned */ 6610 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1); 6611 if (opc3 & 0x02) { 6612 /* Saturate */ 6613 tcg_gen_movi_tl(t0, UINT32_MAX); 6614 } 6615 } 6616 if (opc3 & 0x10) { 6617 /* Check overflow */ 6618 tcg_gen_movi_tl(cpu_ov, 1); 6619 tcg_gen_movi_tl(cpu_so, 1); 6620 } 6621 gen_set_label(l1); 6622 tcg_gen_mov_tl(cpu_gpr[rt], t0); 6623 } 6624 } else { 6625 tcg_gen_mul_tl(cpu_gpr[rt], t0, t1); 6626 } 6627 tcg_temp_free(t0); 6628 tcg_temp_free(t1); 6629 if (unlikely(Rc) != 0) { 6630 /* Update Rc0 */ 6631 gen_set_Rc0(ctx, cpu_gpr[rt]); 6632 } 6633 } 6634 6635 #define GEN_MAC_HANDLER(name, opc2, opc3) \ 6636 static void glue(gen_, name)(DisasContext *ctx) \ 6637 { \ 6638 gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode), \ 6639 rD(ctx->opcode), Rc(ctx->opcode)); \ 6640 } 6641 6642 /* macchw - macchw. */ 6643 GEN_MAC_HANDLER(macchw, 0x0C, 0x05); 6644 /* macchwo - macchwo. */ 6645 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15); 6646 /* macchws - macchws. */ 6647 GEN_MAC_HANDLER(macchws, 0x0C, 0x07); 6648 /* macchwso - macchwso. */ 6649 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17); 6650 /* macchwsu - macchwsu. */ 6651 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06); 6652 /* macchwsuo - macchwsuo. */ 6653 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16); 6654 /* macchwu - macchwu. */ 6655 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04); 6656 /* macchwuo - macchwuo. */ 6657 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14); 6658 /* machhw - machhw. */ 6659 GEN_MAC_HANDLER(machhw, 0x0C, 0x01); 6660 /* machhwo - machhwo. */ 6661 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11); 6662 /* machhws - machhws. */ 6663 GEN_MAC_HANDLER(machhws, 0x0C, 0x03); 6664 /* machhwso - machhwso. */ 6665 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13); 6666 /* machhwsu - machhwsu. */ 6667 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02); 6668 /* machhwsuo - machhwsuo. */ 6669 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12); 6670 /* machhwu - machhwu. */ 6671 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00); 6672 /* machhwuo - machhwuo. */ 6673 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10); 6674 /* maclhw - maclhw. */ 6675 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D); 6676 /* maclhwo - maclhwo. */ 6677 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D); 6678 /* maclhws - maclhws. */ 6679 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F); 6680 /* maclhwso - maclhwso. */ 6681 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F); 6682 /* maclhwu - maclhwu. */ 6683 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C); 6684 /* maclhwuo - maclhwuo. */ 6685 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C); 6686 /* maclhwsu - maclhwsu. */ 6687 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E); 6688 /* maclhwsuo - maclhwsuo. */ 6689 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E); 6690 /* nmacchw - nmacchw. */ 6691 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05); 6692 /* nmacchwo - nmacchwo. */ 6693 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15); 6694 /* nmacchws - nmacchws. */ 6695 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07); 6696 /* nmacchwso - nmacchwso. */ 6697 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17); 6698 /* nmachhw - nmachhw. */ 6699 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01); 6700 /* nmachhwo - nmachhwo. */ 6701 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11); 6702 /* nmachhws - nmachhws. */ 6703 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03); 6704 /* nmachhwso - nmachhwso. */ 6705 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13); 6706 /* nmaclhw - nmaclhw. */ 6707 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D); 6708 /* nmaclhwo - nmaclhwo. */ 6709 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D); 6710 /* nmaclhws - nmaclhws. */ 6711 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F); 6712 /* nmaclhwso - nmaclhwso. */ 6713 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F); 6714 6715 /* mulchw - mulchw. */ 6716 GEN_MAC_HANDLER(mulchw, 0x08, 0x05); 6717 /* mulchwu - mulchwu. */ 6718 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04); 6719 /* mulhhw - mulhhw. */ 6720 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01); 6721 /* mulhhwu - mulhhwu. */ 6722 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00); 6723 /* mullhw - mullhw. */ 6724 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D); 6725 /* mullhwu - mullhwu. */ 6726 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C); 6727 6728 /* mfdcr */ 6729 static void gen_mfdcr(DisasContext *ctx) 6730 { 6731 #if defined(CONFIG_USER_ONLY) 6732 GEN_PRIV; 6733 #else 6734 TCGv dcrn; 6735 6736 CHK_SV; 6737 dcrn = tcg_const_tl(SPR(ctx->opcode)); 6738 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn); 6739 tcg_temp_free(dcrn); 6740 #endif /* defined(CONFIG_USER_ONLY) */ 6741 } 6742 6743 /* mtdcr */ 6744 static void gen_mtdcr(DisasContext *ctx) 6745 { 6746 #if defined(CONFIG_USER_ONLY) 6747 GEN_PRIV; 6748 #else 6749 TCGv dcrn; 6750 6751 CHK_SV; 6752 dcrn = tcg_const_tl(SPR(ctx->opcode)); 6753 gen_helper_store_dcr(cpu_env, dcrn, cpu_gpr[rS(ctx->opcode)]); 6754 tcg_temp_free(dcrn); 6755 #endif /* defined(CONFIG_USER_ONLY) */ 6756 } 6757 6758 /* mfdcrx */ 6759 /* XXX: not implemented on 440 ? */ 6760 static void gen_mfdcrx(DisasContext *ctx) 6761 { 6762 #if defined(CONFIG_USER_ONLY) 6763 GEN_PRIV; 6764 #else 6765 CHK_SV; 6766 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, 6767 cpu_gpr[rA(ctx->opcode)]); 6768 /* Note: Rc update flag set leads to undefined state of Rc0 */ 6769 #endif /* defined(CONFIG_USER_ONLY) */ 6770 } 6771 6772 /* mtdcrx */ 6773 /* XXX: not implemented on 440 ? */ 6774 static void gen_mtdcrx(DisasContext *ctx) 6775 { 6776 #if defined(CONFIG_USER_ONLY) 6777 GEN_PRIV; 6778 #else 6779 CHK_SV; 6780 gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)], 6781 cpu_gpr[rS(ctx->opcode)]); 6782 /* Note: Rc update flag set leads to undefined state of Rc0 */ 6783 #endif /* defined(CONFIG_USER_ONLY) */ 6784 } 6785 6786 /* mfdcrux (PPC 460) : user-mode access to DCR */ 6787 static void gen_mfdcrux(DisasContext *ctx) 6788 { 6789 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, 6790 cpu_gpr[rA(ctx->opcode)]); 6791 /* Note: Rc update flag set leads to undefined state of Rc0 */ 6792 } 6793 6794 /* mtdcrux (PPC 460) : user-mode access to DCR */ 6795 static void gen_mtdcrux(DisasContext *ctx) 6796 { 6797 gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)], 6798 cpu_gpr[rS(ctx->opcode)]); 6799 /* Note: Rc update flag set leads to undefined state of Rc0 */ 6800 } 6801 6802 /* dccci */ 6803 static void gen_dccci(DisasContext *ctx) 6804 { 6805 CHK_SV; 6806 /* interpreted as no-op */ 6807 } 6808 6809 /* dcread */ 6810 static void gen_dcread(DisasContext *ctx) 6811 { 6812 #if defined(CONFIG_USER_ONLY) 6813 GEN_PRIV; 6814 #else 6815 TCGv EA, val; 6816 6817 CHK_SV; 6818 gen_set_access_type(ctx, ACCESS_CACHE); 6819 EA = tcg_temp_new(); 6820 gen_addr_reg_index(ctx, EA); 6821 val = tcg_temp_new(); 6822 gen_qemu_ld32u(ctx, val, EA); 6823 tcg_temp_free(val); 6824 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA); 6825 tcg_temp_free(EA); 6826 #endif /* defined(CONFIG_USER_ONLY) */ 6827 } 6828 6829 /* icbt */ 6830 static void gen_icbt_40x(DisasContext *ctx) 6831 { 6832 /* 6833 * interpreted as no-op 6834 * XXX: specification say this is treated as a load by the MMU but 6835 * does not generate any exception 6836 */ 6837 } 6838 6839 /* iccci */ 6840 static void gen_iccci(DisasContext *ctx) 6841 { 6842 CHK_SV; 6843 /* interpreted as no-op */ 6844 } 6845 6846 /* icread */ 6847 static void gen_icread(DisasContext *ctx) 6848 { 6849 CHK_SV; 6850 /* interpreted as no-op */ 6851 } 6852 6853 /* rfci (supervisor only) */ 6854 static void gen_rfci_40x(DisasContext *ctx) 6855 { 6856 #if defined(CONFIG_USER_ONLY) 6857 GEN_PRIV; 6858 #else 6859 CHK_SV; 6860 /* Restore CPU state */ 6861 gen_helper_40x_rfci(cpu_env); 6862 ctx->base.is_jmp = DISAS_EXIT; 6863 #endif /* defined(CONFIG_USER_ONLY) */ 6864 } 6865 6866 static void gen_rfci(DisasContext *ctx) 6867 { 6868 #if defined(CONFIG_USER_ONLY) 6869 GEN_PRIV; 6870 #else 6871 CHK_SV; 6872 /* Restore CPU state */ 6873 gen_helper_rfci(cpu_env); 6874 ctx->base.is_jmp = DISAS_EXIT; 6875 #endif /* defined(CONFIG_USER_ONLY) */ 6876 } 6877 6878 /* BookE specific */ 6879 6880 /* XXX: not implemented on 440 ? */ 6881 static void gen_rfdi(DisasContext *ctx) 6882 { 6883 #if defined(CONFIG_USER_ONLY) 6884 GEN_PRIV; 6885 #else 6886 CHK_SV; 6887 /* Restore CPU state */ 6888 gen_helper_rfdi(cpu_env); 6889 ctx->base.is_jmp = DISAS_EXIT; 6890 #endif /* defined(CONFIG_USER_ONLY) */ 6891 } 6892 6893 /* XXX: not implemented on 440 ? */ 6894 static void gen_rfmci(DisasContext *ctx) 6895 { 6896 #if defined(CONFIG_USER_ONLY) 6897 GEN_PRIV; 6898 #else 6899 CHK_SV; 6900 /* Restore CPU state */ 6901 gen_helper_rfmci(cpu_env); 6902 ctx->base.is_jmp = DISAS_EXIT; 6903 #endif /* defined(CONFIG_USER_ONLY) */ 6904 } 6905 6906 /* TLB management - PowerPC 405 implementation */ 6907 6908 /* tlbre */ 6909 static void gen_tlbre_40x(DisasContext *ctx) 6910 { 6911 #if defined(CONFIG_USER_ONLY) 6912 GEN_PRIV; 6913 #else 6914 CHK_SV; 6915 switch (rB(ctx->opcode)) { 6916 case 0: 6917 gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_env, 6918 cpu_gpr[rA(ctx->opcode)]); 6919 break; 6920 case 1: 6921 gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_env, 6922 cpu_gpr[rA(ctx->opcode)]); 6923 break; 6924 default: 6925 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6926 break; 6927 } 6928 #endif /* defined(CONFIG_USER_ONLY) */ 6929 } 6930 6931 /* tlbsx - tlbsx. */ 6932 static void gen_tlbsx_40x(DisasContext *ctx) 6933 { 6934 #if defined(CONFIG_USER_ONLY) 6935 GEN_PRIV; 6936 #else 6937 TCGv t0; 6938 6939 CHK_SV; 6940 t0 = tcg_temp_new(); 6941 gen_addr_reg_index(ctx, t0); 6942 gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 6943 tcg_temp_free(t0); 6944 if (Rc(ctx->opcode)) { 6945 TCGLabel *l1 = gen_new_label(); 6946 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 6947 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1); 6948 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02); 6949 gen_set_label(l1); 6950 } 6951 #endif /* defined(CONFIG_USER_ONLY) */ 6952 } 6953 6954 /* tlbwe */ 6955 static void gen_tlbwe_40x(DisasContext *ctx) 6956 { 6957 #if defined(CONFIG_USER_ONLY) 6958 GEN_PRIV; 6959 #else 6960 CHK_SV; 6961 6962 switch (rB(ctx->opcode)) { 6963 case 0: 6964 gen_helper_4xx_tlbwe_hi(cpu_env, cpu_gpr[rA(ctx->opcode)], 6965 cpu_gpr[rS(ctx->opcode)]); 6966 break; 6967 case 1: 6968 gen_helper_4xx_tlbwe_lo(cpu_env, cpu_gpr[rA(ctx->opcode)], 6969 cpu_gpr[rS(ctx->opcode)]); 6970 break; 6971 default: 6972 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6973 break; 6974 } 6975 #endif /* defined(CONFIG_USER_ONLY) */ 6976 } 6977 6978 /* TLB management - PowerPC 440 implementation */ 6979 6980 /* tlbre */ 6981 static void gen_tlbre_440(DisasContext *ctx) 6982 { 6983 #if defined(CONFIG_USER_ONLY) 6984 GEN_PRIV; 6985 #else 6986 CHK_SV; 6987 6988 switch (rB(ctx->opcode)) { 6989 case 0: 6990 case 1: 6991 case 2: 6992 { 6993 TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode)); 6994 gen_helper_440_tlbre(cpu_gpr[rD(ctx->opcode)], cpu_env, 6995 t0, cpu_gpr[rA(ctx->opcode)]); 6996 tcg_temp_free_i32(t0); 6997 } 6998 break; 6999 default: 7000 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 7001 break; 7002 } 7003 #endif /* defined(CONFIG_USER_ONLY) */ 7004 } 7005 7006 /* tlbsx - tlbsx. */ 7007 static void gen_tlbsx_440(DisasContext *ctx) 7008 { 7009 #if defined(CONFIG_USER_ONLY) 7010 GEN_PRIV; 7011 #else 7012 TCGv t0; 7013 7014 CHK_SV; 7015 t0 = tcg_temp_new(); 7016 gen_addr_reg_index(ctx, t0); 7017 gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 7018 tcg_temp_free(t0); 7019 if (Rc(ctx->opcode)) { 7020 TCGLabel *l1 = gen_new_label(); 7021 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 7022 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1); 7023 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02); 7024 gen_set_label(l1); 7025 } 7026 #endif /* defined(CONFIG_USER_ONLY) */ 7027 } 7028 7029 /* tlbwe */ 7030 static void gen_tlbwe_440(DisasContext *ctx) 7031 { 7032 #if defined(CONFIG_USER_ONLY) 7033 GEN_PRIV; 7034 #else 7035 CHK_SV; 7036 switch (rB(ctx->opcode)) { 7037 case 0: 7038 case 1: 7039 case 2: 7040 { 7041 TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode)); 7042 gen_helper_440_tlbwe(cpu_env, t0, cpu_gpr[rA(ctx->opcode)], 7043 cpu_gpr[rS(ctx->opcode)]); 7044 tcg_temp_free_i32(t0); 7045 } 7046 break; 7047 default: 7048 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 7049 break; 7050 } 7051 #endif /* defined(CONFIG_USER_ONLY) */ 7052 } 7053 7054 /* TLB management - PowerPC BookE 2.06 implementation */ 7055 7056 /* tlbre */ 7057 static void gen_tlbre_booke206(DisasContext *ctx) 7058 { 7059 #if defined(CONFIG_USER_ONLY) 7060 GEN_PRIV; 7061 #else 7062 CHK_SV; 7063 gen_helper_booke206_tlbre(cpu_env); 7064 #endif /* defined(CONFIG_USER_ONLY) */ 7065 } 7066 7067 /* tlbsx - tlbsx. */ 7068 static void gen_tlbsx_booke206(DisasContext *ctx) 7069 { 7070 #if defined(CONFIG_USER_ONLY) 7071 GEN_PRIV; 7072 #else 7073 TCGv t0; 7074 7075 CHK_SV; 7076 if (rA(ctx->opcode)) { 7077 t0 = tcg_temp_new(); 7078 tcg_gen_mov_tl(t0, cpu_gpr[rD(ctx->opcode)]); 7079 } else { 7080 t0 = tcg_const_tl(0); 7081 } 7082 7083 tcg_gen_add_tl(t0, t0, cpu_gpr[rB(ctx->opcode)]); 7084 gen_helper_booke206_tlbsx(cpu_env, t0); 7085 tcg_temp_free(t0); 7086 #endif /* defined(CONFIG_USER_ONLY) */ 7087 } 7088 7089 /* tlbwe */ 7090 static void gen_tlbwe_booke206(DisasContext *ctx) 7091 { 7092 #if defined(CONFIG_USER_ONLY) 7093 GEN_PRIV; 7094 #else 7095 CHK_SV; 7096 gen_helper_booke206_tlbwe(cpu_env); 7097 #endif /* defined(CONFIG_USER_ONLY) */ 7098 } 7099 7100 static void gen_tlbivax_booke206(DisasContext *ctx) 7101 { 7102 #if defined(CONFIG_USER_ONLY) 7103 GEN_PRIV; 7104 #else 7105 TCGv t0; 7106 7107 CHK_SV; 7108 t0 = tcg_temp_new(); 7109 gen_addr_reg_index(ctx, t0); 7110 gen_helper_booke206_tlbivax(cpu_env, t0); 7111 tcg_temp_free(t0); 7112 #endif /* defined(CONFIG_USER_ONLY) */ 7113 } 7114 7115 static void gen_tlbilx_booke206(DisasContext *ctx) 7116 { 7117 #if defined(CONFIG_USER_ONLY) 7118 GEN_PRIV; 7119 #else 7120 TCGv t0; 7121 7122 CHK_SV; 7123 t0 = tcg_temp_new(); 7124 gen_addr_reg_index(ctx, t0); 7125 7126 switch ((ctx->opcode >> 21) & 0x3) { 7127 case 0: 7128 gen_helper_booke206_tlbilx0(cpu_env, t0); 7129 break; 7130 case 1: 7131 gen_helper_booke206_tlbilx1(cpu_env, t0); 7132 break; 7133 case 3: 7134 gen_helper_booke206_tlbilx3(cpu_env, t0); 7135 break; 7136 default: 7137 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 7138 break; 7139 } 7140 7141 tcg_temp_free(t0); 7142 #endif /* defined(CONFIG_USER_ONLY) */ 7143 } 7144 7145 7146 /* wrtee */ 7147 static void gen_wrtee(DisasContext *ctx) 7148 { 7149 #if defined(CONFIG_USER_ONLY) 7150 GEN_PRIV; 7151 #else 7152 TCGv t0; 7153 7154 CHK_SV; 7155 t0 = tcg_temp_new(); 7156 tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE)); 7157 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE)); 7158 tcg_gen_or_tl(cpu_msr, cpu_msr, t0); 7159 tcg_temp_free(t0); 7160 /* 7161 * Stop translation to have a chance to raise an exception if we 7162 * just set msr_ee to 1 7163 */ 7164 ctx->base.is_jmp = DISAS_EXIT_UPDATE; 7165 #endif /* defined(CONFIG_USER_ONLY) */ 7166 } 7167 7168 /* wrteei */ 7169 static void gen_wrteei(DisasContext *ctx) 7170 { 7171 #if defined(CONFIG_USER_ONLY) 7172 GEN_PRIV; 7173 #else 7174 CHK_SV; 7175 if (ctx->opcode & 0x00008000) { 7176 tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE)); 7177 /* Stop translation to have a chance to raise an exception */ 7178 ctx->base.is_jmp = DISAS_EXIT_UPDATE; 7179 } else { 7180 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE)); 7181 } 7182 #endif /* defined(CONFIG_USER_ONLY) */ 7183 } 7184 7185 /* PowerPC 440 specific instructions */ 7186 7187 /* dlmzb */ 7188 static void gen_dlmzb(DisasContext *ctx) 7189 { 7190 TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode)); 7191 gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_env, 7192 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); 7193 tcg_temp_free_i32(t0); 7194 } 7195 7196 /* mbar replaces eieio on 440 */ 7197 static void gen_mbar(DisasContext *ctx) 7198 { 7199 /* interpreted as no-op */ 7200 } 7201 7202 /* msync replaces sync on 440 */ 7203 static void gen_msync_4xx(DisasContext *ctx) 7204 { 7205 /* Only e500 seems to treat reserved bits as invalid */ 7206 if ((ctx->insns_flags2 & PPC2_BOOKE206) && 7207 (ctx->opcode & 0x03FFF801)) { 7208 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 7209 } 7210 /* otherwise interpreted as no-op */ 7211 } 7212 7213 /* icbt */ 7214 static void gen_icbt_440(DisasContext *ctx) 7215 { 7216 /* 7217 * interpreted as no-op 7218 * XXX: specification say this is treated as a load by the MMU but 7219 * does not generate any exception 7220 */ 7221 } 7222 7223 /* Embedded.Processor Control */ 7224 7225 static void gen_msgclr(DisasContext *ctx) 7226 { 7227 #if defined(CONFIG_USER_ONLY) 7228 GEN_PRIV; 7229 #else 7230 CHK_HV; 7231 if (is_book3s_arch2x(ctx)) { 7232 gen_helper_book3s_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]); 7233 } else { 7234 gen_helper_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]); 7235 } 7236 #endif /* defined(CONFIG_USER_ONLY) */ 7237 } 7238 7239 static void gen_msgsnd(DisasContext *ctx) 7240 { 7241 #if defined(CONFIG_USER_ONLY) 7242 GEN_PRIV; 7243 #else 7244 CHK_HV; 7245 if (is_book3s_arch2x(ctx)) { 7246 gen_helper_book3s_msgsnd(cpu_gpr[rB(ctx->opcode)]); 7247 } else { 7248 gen_helper_msgsnd(cpu_gpr[rB(ctx->opcode)]); 7249 } 7250 #endif /* defined(CONFIG_USER_ONLY) */ 7251 } 7252 7253 #if defined(TARGET_PPC64) 7254 static void gen_msgclrp(DisasContext *ctx) 7255 { 7256 #if defined(CONFIG_USER_ONLY) 7257 GEN_PRIV; 7258 #else 7259 CHK_SV; 7260 gen_helper_book3s_msgclrp(cpu_env, cpu_gpr[rB(ctx->opcode)]); 7261 #endif /* defined(CONFIG_USER_ONLY) */ 7262 } 7263 7264 static void gen_msgsndp(DisasContext *ctx) 7265 { 7266 #if defined(CONFIG_USER_ONLY) 7267 GEN_PRIV; 7268 #else 7269 CHK_SV; 7270 gen_helper_book3s_msgsndp(cpu_env, cpu_gpr[rB(ctx->opcode)]); 7271 #endif /* defined(CONFIG_USER_ONLY) */ 7272 } 7273 #endif 7274 7275 static void gen_msgsync(DisasContext *ctx) 7276 { 7277 #if defined(CONFIG_USER_ONLY) 7278 GEN_PRIV; 7279 #else 7280 CHK_HV; 7281 #endif /* defined(CONFIG_USER_ONLY) */ 7282 /* interpreted as no-op */ 7283 } 7284 7285 #if defined(TARGET_PPC64) 7286 static void gen_maddld(DisasContext *ctx) 7287 { 7288 TCGv_i64 t1 = tcg_temp_new_i64(); 7289 7290 tcg_gen_mul_i64(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 7291 tcg_gen_add_i64(cpu_gpr[rD(ctx->opcode)], t1, cpu_gpr[rC(ctx->opcode)]); 7292 tcg_temp_free_i64(t1); 7293 } 7294 7295 /* maddhd maddhdu */ 7296 static void gen_maddhd_maddhdu(DisasContext *ctx) 7297 { 7298 TCGv_i64 lo = tcg_temp_new_i64(); 7299 TCGv_i64 hi = tcg_temp_new_i64(); 7300 TCGv_i64 t1 = tcg_temp_new_i64(); 7301 7302 if (Rc(ctx->opcode)) { 7303 tcg_gen_mulu2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)], 7304 cpu_gpr[rB(ctx->opcode)]); 7305 tcg_gen_movi_i64(t1, 0); 7306 } else { 7307 tcg_gen_muls2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)], 7308 cpu_gpr[rB(ctx->opcode)]); 7309 tcg_gen_sari_i64(t1, cpu_gpr[rC(ctx->opcode)], 63); 7310 } 7311 tcg_gen_add2_i64(t1, cpu_gpr[rD(ctx->opcode)], lo, hi, 7312 cpu_gpr[rC(ctx->opcode)], t1); 7313 tcg_temp_free_i64(lo); 7314 tcg_temp_free_i64(hi); 7315 tcg_temp_free_i64(t1); 7316 } 7317 #endif /* defined(TARGET_PPC64) */ 7318 7319 static void gen_tbegin(DisasContext *ctx) 7320 { 7321 if (unlikely(!ctx->tm_enabled)) { 7322 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); 7323 return; 7324 } 7325 gen_helper_tbegin(cpu_env); 7326 } 7327 7328 #define GEN_TM_NOOP(name) \ 7329 static inline void gen_##name(DisasContext *ctx) \ 7330 { \ 7331 if (unlikely(!ctx->tm_enabled)) { \ 7332 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \ 7333 return; \ 7334 } \ 7335 /* \ 7336 * Because tbegin always fails in QEMU, these user \ 7337 * space instructions all have a simple implementation: \ 7338 * \ 7339 * CR[0] = 0b0 || MSR[TS] || 0b0 \ 7340 * = 0b0 || 0b00 || 0b0 \ 7341 */ \ 7342 tcg_gen_movi_i32(cpu_crf[0], 0); \ 7343 } 7344 7345 GEN_TM_NOOP(tend); 7346 GEN_TM_NOOP(tabort); 7347 GEN_TM_NOOP(tabortwc); 7348 GEN_TM_NOOP(tabortwci); 7349 GEN_TM_NOOP(tabortdc); 7350 GEN_TM_NOOP(tabortdci); 7351 GEN_TM_NOOP(tsr); 7352 7353 static inline void gen_cp_abort(DisasContext *ctx) 7354 { 7355 /* Do Nothing */ 7356 } 7357 7358 #define GEN_CP_PASTE_NOOP(name) \ 7359 static inline void gen_##name(DisasContext *ctx) \ 7360 { \ 7361 /* \ 7362 * Generate invalid exception until we have an \ 7363 * implementation of the copy paste facility \ 7364 */ \ 7365 gen_invalid(ctx); \ 7366 } 7367 7368 GEN_CP_PASTE_NOOP(copy) 7369 GEN_CP_PASTE_NOOP(paste) 7370 7371 static void gen_tcheck(DisasContext *ctx) 7372 { 7373 if (unlikely(!ctx->tm_enabled)) { 7374 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); 7375 return; 7376 } 7377 /* 7378 * Because tbegin always fails, the tcheck implementation is 7379 * simple: 7380 * 7381 * CR[CRF] = TDOOMED || MSR[TS] || 0b0 7382 * = 0b1 || 0b00 || 0b0 7383 */ 7384 tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], 0x8); 7385 } 7386 7387 #if defined(CONFIG_USER_ONLY) 7388 #define GEN_TM_PRIV_NOOP(name) \ 7389 static inline void gen_##name(DisasContext *ctx) \ 7390 { \ 7391 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); \ 7392 } 7393 7394 #else 7395 7396 #define GEN_TM_PRIV_NOOP(name) \ 7397 static inline void gen_##name(DisasContext *ctx) \ 7398 { \ 7399 CHK_SV; \ 7400 if (unlikely(!ctx->tm_enabled)) { \ 7401 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \ 7402 return; \ 7403 } \ 7404 /* \ 7405 * Because tbegin always fails, the implementation is \ 7406 * simple: \ 7407 * \ 7408 * CR[0] = 0b0 || MSR[TS] || 0b0 \ 7409 * = 0b0 || 0b00 | 0b0 \ 7410 */ \ 7411 tcg_gen_movi_i32(cpu_crf[0], 0); \ 7412 } 7413 7414 #endif 7415 7416 GEN_TM_PRIV_NOOP(treclaim); 7417 GEN_TM_PRIV_NOOP(trechkpt); 7418 7419 static inline void get_fpr(TCGv_i64 dst, int regno) 7420 { 7421 tcg_gen_ld_i64(dst, cpu_env, fpr_offset(regno)); 7422 } 7423 7424 static inline void set_fpr(int regno, TCGv_i64 src) 7425 { 7426 tcg_gen_st_i64(src, cpu_env, fpr_offset(regno)); 7427 } 7428 7429 static inline void get_avr64(TCGv_i64 dst, int regno, bool high) 7430 { 7431 tcg_gen_ld_i64(dst, cpu_env, avr64_offset(regno, high)); 7432 } 7433 7434 static inline void set_avr64(int regno, TCGv_i64 src, bool high) 7435 { 7436 tcg_gen_st_i64(src, cpu_env, avr64_offset(regno, high)); 7437 } 7438 7439 /* 7440 * Helpers for decodetree used by !function for decoding arguments. 7441 */ 7442 static int times_4(DisasContext *ctx, int x) 7443 { 7444 return x * 4; 7445 } 7446 7447 /* 7448 * Helpers for trans_* functions to check for specific insns flags. 7449 * Use token pasting to ensure that we use the proper flag with the 7450 * proper variable. 7451 */ 7452 #define REQUIRE_INSNS_FLAGS(CTX, NAME) \ 7453 do { \ 7454 if (((CTX)->insns_flags & PPC_##NAME) == 0) { \ 7455 return false; \ 7456 } \ 7457 } while (0) 7458 7459 #define REQUIRE_INSNS_FLAGS2(CTX, NAME) \ 7460 do { \ 7461 if (((CTX)->insns_flags2 & PPC2_##NAME) == 0) { \ 7462 return false; \ 7463 } \ 7464 } while (0) 7465 7466 /* Then special-case the check for 64-bit so that we elide code for ppc32. */ 7467 #if TARGET_LONG_BITS == 32 7468 # define REQUIRE_64BIT(CTX) return false 7469 #else 7470 # define REQUIRE_64BIT(CTX) REQUIRE_INSNS_FLAGS(CTX, 64B) 7471 #endif 7472 7473 /* 7474 * Helpers for implementing sets of trans_* functions. 7475 * Defer the implementation of NAME to FUNC, with optional extra arguments. 7476 */ 7477 #define TRANS(NAME, FUNC, ...) \ 7478 static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \ 7479 { return FUNC(ctx, a, __VA_ARGS__); } 7480 7481 #define TRANS64(NAME, FUNC, ...) \ 7482 static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \ 7483 { REQUIRE_64BIT(ctx); return FUNC(ctx, a, __VA_ARGS__); } 7484 7485 /* TODO: More TRANS* helpers for extra insn_flags checks. */ 7486 7487 7488 #include "decode-insn32.c.inc" 7489 #include "decode-insn64.c.inc" 7490 #include "translate/fixedpoint-impl.c.inc" 7491 7492 #include "translate/fp-impl.c.inc" 7493 7494 #include "translate/vmx-impl.c.inc" 7495 7496 #include "translate/vsx-impl.c.inc" 7497 #include "translate/vector-impl.c.inc" 7498 7499 #include "translate/dfp-impl.c.inc" 7500 7501 #include "translate/spe-impl.c.inc" 7502 7503 /* Handles lfdp, lxsd, lxssp */ 7504 static void gen_dform39(DisasContext *ctx) 7505 { 7506 switch (ctx->opcode & 0x3) { 7507 case 0: /* lfdp */ 7508 if (ctx->insns_flags2 & PPC2_ISA205) { 7509 return gen_lfdp(ctx); 7510 } 7511 break; 7512 case 2: /* lxsd */ 7513 if (ctx->insns_flags2 & PPC2_ISA300) { 7514 return gen_lxsd(ctx); 7515 } 7516 break; 7517 case 3: /* lxssp */ 7518 if (ctx->insns_flags2 & PPC2_ISA300) { 7519 return gen_lxssp(ctx); 7520 } 7521 break; 7522 } 7523 return gen_invalid(ctx); 7524 } 7525 7526 /* handles stfdp, lxv, stxsd, stxssp lxvx */ 7527 static void gen_dform3D(DisasContext *ctx) 7528 { 7529 if ((ctx->opcode & 3) == 1) { /* DQ-FORM */ 7530 switch (ctx->opcode & 0x7) { 7531 case 1: /* lxv */ 7532 if (ctx->insns_flags2 & PPC2_ISA300) { 7533 return gen_lxv(ctx); 7534 } 7535 break; 7536 case 5: /* stxv */ 7537 if (ctx->insns_flags2 & PPC2_ISA300) { 7538 return gen_stxv(ctx); 7539 } 7540 break; 7541 } 7542 } else { /* DS-FORM */ 7543 switch (ctx->opcode & 0x3) { 7544 case 0: /* stfdp */ 7545 if (ctx->insns_flags2 & PPC2_ISA205) { 7546 return gen_stfdp(ctx); 7547 } 7548 break; 7549 case 2: /* stxsd */ 7550 if (ctx->insns_flags2 & PPC2_ISA300) { 7551 return gen_stxsd(ctx); 7552 } 7553 break; 7554 case 3: /* stxssp */ 7555 if (ctx->insns_flags2 & PPC2_ISA300) { 7556 return gen_stxssp(ctx); 7557 } 7558 break; 7559 } 7560 } 7561 return gen_invalid(ctx); 7562 } 7563 7564 #if defined(TARGET_PPC64) 7565 /* brd */ 7566 static void gen_brd(DisasContext *ctx) 7567 { 7568 tcg_gen_bswap64_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); 7569 } 7570 7571 /* brw */ 7572 static void gen_brw(DisasContext *ctx) 7573 { 7574 tcg_gen_bswap64_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); 7575 tcg_gen_rotli_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 32); 7576 7577 } 7578 7579 /* brh */ 7580 static void gen_brh(DisasContext *ctx) 7581 { 7582 TCGv_i64 t0 = tcg_temp_new_i64(); 7583 TCGv_i64 t1 = tcg_temp_new_i64(); 7584 TCGv_i64 t2 = tcg_temp_new_i64(); 7585 7586 tcg_gen_movi_i64(t0, 0x00ff00ff00ff00ffull); 7587 tcg_gen_shri_i64(t1, cpu_gpr[rS(ctx->opcode)], 8); 7588 tcg_gen_and_i64(t2, t1, t0); 7589 tcg_gen_and_i64(t1, cpu_gpr[rS(ctx->opcode)], t0); 7590 tcg_gen_shli_i64(t1, t1, 8); 7591 tcg_gen_or_i64(cpu_gpr[rA(ctx->opcode)], t1, t2); 7592 7593 tcg_temp_free_i64(t0); 7594 tcg_temp_free_i64(t1); 7595 tcg_temp_free_i64(t2); 7596 } 7597 #endif 7598 7599 static opcode_t opcodes[] = { 7600 #if defined(TARGET_PPC64) 7601 GEN_HANDLER_E(brd, 0x1F, 0x1B, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA310), 7602 GEN_HANDLER_E(brw, 0x1F, 0x1B, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA310), 7603 GEN_HANDLER_E(brh, 0x1F, 0x1B, 0x06, 0x0000F801, PPC_NONE, PPC2_ISA310), 7604 #endif 7605 GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE), 7606 #if defined(TARGET_PPC64) 7607 GEN_HANDLER_E(cmpeqb, 0x1F, 0x00, 0x07, 0x00600000, PPC_NONE, PPC2_ISA300), 7608 #endif 7609 GEN_HANDLER_E(cmpb, 0x1F, 0x1C, 0x0F, 0x00000001, PPC_NONE, PPC2_ISA205), 7610 GEN_HANDLER_E(cmprb, 0x1F, 0x00, 0x06, 0x00400001, PPC_NONE, PPC2_ISA300), 7611 GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL), 7612 GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 7613 GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 7614 GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER), 7615 GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER), 7616 GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER), 7617 GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER), 7618 GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 7619 #if defined(TARGET_PPC64) 7620 GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B), 7621 #endif 7622 GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER), 7623 GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER), 7624 GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 7625 GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 7626 GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 7627 GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER), 7628 GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300), 7629 GEN_HANDLER_E(copy, 0x1F, 0x06, 0x18, 0x03C00001, PPC_NONE, PPC2_ISA300), 7630 GEN_HANDLER_E(cp_abort, 0x1F, 0x06, 0x1A, 0x03FFF801, PPC_NONE, PPC2_ISA300), 7631 GEN_HANDLER_E(paste, 0x1F, 0x06, 0x1C, 0x03C00000, PPC_NONE, PPC2_ISA300), 7632 GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER), 7633 GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER), 7634 GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 7635 GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 7636 GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 7637 GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 7638 GEN_HANDLER(popcntb, 0x1F, 0x1A, 0x03, 0x0000F801, PPC_POPCNTB), 7639 GEN_HANDLER(popcntw, 0x1F, 0x1A, 0x0b, 0x0000F801, PPC_POPCNTWD), 7640 GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205), 7641 #if defined(TARGET_PPC64) 7642 GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD), 7643 GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B), 7644 GEN_HANDLER_E(cnttzd, 0x1F, 0x1A, 0x11, 0x00000000, PPC_NONE, PPC2_ISA300), 7645 GEN_HANDLER_E(darn, 0x1F, 0x13, 0x17, 0x001CF801, PPC_NONE, PPC2_ISA300), 7646 GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205), 7647 GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206), 7648 #endif 7649 GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 7650 GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 7651 GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 7652 GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER), 7653 GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER), 7654 GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER), 7655 GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER), 7656 #if defined(TARGET_PPC64) 7657 GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B), 7658 GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B), 7659 GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B), 7660 GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B), 7661 GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B), 7662 GEN_HANDLER2_E(extswsli0, "extswsli", 0x1F, 0x1A, 0x1B, 0x00000000, 7663 PPC_NONE, PPC2_ISA300), 7664 GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1B, 0x00000000, 7665 PPC_NONE, PPC2_ISA300), 7666 #endif 7667 #if defined(TARGET_PPC64) 7668 GEN_HANDLER(lq, 0x38, 0xFF, 0xFF, 0x00000000, PPC_64BX), 7669 GEN_HANDLER(std, 0x3E, 0xFF, 0xFF, 0x00000000, PPC_64B), 7670 #endif 7671 /* handles lfdp, lxsd, lxssp */ 7672 GEN_HANDLER_E(dform39, 0x39, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205), 7673 /* handles stfdp, lxv, stxsd, stxssp, stxv */ 7674 GEN_HANDLER_E(dform3D, 0x3D, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205), 7675 GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 7676 GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 7677 GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING), 7678 GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING), 7679 GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING), 7680 GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING), 7681 GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x01FFF801, PPC_MEM_EIEIO), 7682 GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM), 7683 GEN_HANDLER_E(lbarx, 0x1F, 0x14, 0x01, 0, PPC_NONE, PPC2_ATOMIC_ISA206), 7684 GEN_HANDLER_E(lharx, 0x1F, 0x14, 0x03, 0, PPC_NONE, PPC2_ATOMIC_ISA206), 7685 GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000000, PPC_RES), 7686 GEN_HANDLER_E(lwat, 0x1F, 0x06, 0x12, 0x00000001, PPC_NONE, PPC2_ISA300), 7687 GEN_HANDLER_E(stwat, 0x1F, 0x06, 0x16, 0x00000001, PPC_NONE, PPC2_ISA300), 7688 GEN_HANDLER_E(stbcx_, 0x1F, 0x16, 0x15, 0, PPC_NONE, PPC2_ATOMIC_ISA206), 7689 GEN_HANDLER_E(sthcx_, 0x1F, 0x16, 0x16, 0, PPC_NONE, PPC2_ATOMIC_ISA206), 7690 GEN_HANDLER2(stwcx_, "stwcx.", 0x1F, 0x16, 0x04, 0x00000000, PPC_RES), 7691 #if defined(TARGET_PPC64) 7692 GEN_HANDLER_E(ldat, 0x1F, 0x06, 0x13, 0x00000001, PPC_NONE, PPC2_ISA300), 7693 GEN_HANDLER_E(stdat, 0x1F, 0x06, 0x17, 0x00000001, PPC_NONE, PPC2_ISA300), 7694 GEN_HANDLER(ldarx, 0x1F, 0x14, 0x02, 0x00000000, PPC_64B), 7695 GEN_HANDLER_E(lqarx, 0x1F, 0x14, 0x08, 0, PPC_NONE, PPC2_LSQ_ISA207), 7696 GEN_HANDLER2(stdcx_, "stdcx.", 0x1F, 0x16, 0x06, 0x00000000, PPC_64B), 7697 GEN_HANDLER_E(stqcx_, 0x1F, 0x16, 0x05, 0, PPC_NONE, PPC2_LSQ_ISA207), 7698 #endif 7699 GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC), 7700 GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT), 7701 GEN_HANDLER_E(wait, 0x1F, 0x1E, 0x00, 0x039FF801, PPC_NONE, PPC2_ISA300), 7702 GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW), 7703 GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW), 7704 GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW), 7705 GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW), 7706 GEN_HANDLER_E(bctar, 0x13, 0x10, 0x11, 0x0000E000, PPC_NONE, PPC2_BCTAR_ISA207), 7707 GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER), 7708 GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW), 7709 #if defined(TARGET_PPC64) 7710 GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B), 7711 #if !defined(CONFIG_USER_ONLY) 7712 /* Top bit of opc2 corresponds with low bit of LEV, so use two handlers */ 7713 GEN_HANDLER_E(scv, 0x11, 0x10, 0xFF, 0x03FFF01E, PPC_NONE, PPC2_ISA300), 7714 GEN_HANDLER_E(scv, 0x11, 0x00, 0xFF, 0x03FFF01E, PPC_NONE, PPC2_ISA300), 7715 GEN_HANDLER_E(rfscv, 0x13, 0x12, 0x02, 0x03FF8001, PPC_NONE, PPC2_ISA300), 7716 #endif 7717 GEN_HANDLER_E(stop, 0x13, 0x12, 0x0b, 0x03FFF801, PPC_NONE, PPC2_ISA300), 7718 GEN_HANDLER_E(doze, 0x13, 0x12, 0x0c, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), 7719 GEN_HANDLER_E(nap, 0x13, 0x12, 0x0d, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), 7720 GEN_HANDLER_E(sleep, 0x13, 0x12, 0x0e, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), 7721 GEN_HANDLER_E(rvwinkle, 0x13, 0x12, 0x0f, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), 7722 GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H), 7723 #endif 7724 /* Top bit of opc2 corresponds with low bit of LEV, so use two handlers */ 7725 GEN_HANDLER(sc, 0x11, 0x11, 0xFF, 0x03FFF01D, PPC_FLOW), 7726 GEN_HANDLER(sc, 0x11, 0x01, 0xFF, 0x03FFF01D, PPC_FLOW), 7727 GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW), 7728 GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW), 7729 #if defined(TARGET_PPC64) 7730 GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B), 7731 GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B), 7732 #endif 7733 GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC), 7734 GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC), 7735 GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC), 7736 GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC), 7737 GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB), 7738 GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC), 7739 #if defined(TARGET_PPC64) 7740 GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B), 7741 GEN_HANDLER_E(setb, 0x1F, 0x00, 0x04, 0x0003F801, PPC_NONE, PPC2_ISA300), 7742 GEN_HANDLER_E(mcrxrx, 0x1F, 0x00, 0x12, 0x007FF801, PPC_NONE, PPC2_ISA300), 7743 #endif 7744 GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001EF801, PPC_MISC), 7745 GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC), 7746 GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE), 7747 GEN_HANDLER_E(dcbfep, 0x1F, 0x1F, 0x03, 0x03C00001, PPC_NONE, PPC2_BOOKE206), 7748 GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE), 7749 GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE), 7750 GEN_HANDLER_E(dcbstep, 0x1F, 0x1F, 0x01, 0x03E00001, PPC_NONE, PPC2_BOOKE206), 7751 GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x00000001, PPC_CACHE), 7752 GEN_HANDLER_E(dcbtep, 0x1F, 0x1F, 0x09, 0x00000001, PPC_NONE, PPC2_BOOKE206), 7753 GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x00000001, PPC_CACHE), 7754 GEN_HANDLER_E(dcbtstep, 0x1F, 0x1F, 0x07, 0x00000001, PPC_NONE, PPC2_BOOKE206), 7755 GEN_HANDLER_E(dcbtls, 0x1F, 0x06, 0x05, 0x02000001, PPC_BOOKE, PPC2_BOOKE206), 7756 GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZ), 7757 GEN_HANDLER_E(dcbzep, 0x1F, 0x1F, 0x1F, 0x03C00001, PPC_NONE, PPC2_BOOKE206), 7758 GEN_HANDLER(dst, 0x1F, 0x16, 0x0A, 0x01800001, PPC_ALTIVEC), 7759 GEN_HANDLER(dstst, 0x1F, 0x16, 0x0B, 0x01800001, PPC_ALTIVEC), 7760 GEN_HANDLER(dss, 0x1F, 0x16, 0x19, 0x019FF801, PPC_ALTIVEC), 7761 GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI), 7762 GEN_HANDLER_E(icbiep, 0x1F, 0x1F, 0x1E, 0x03E00001, PPC_NONE, PPC2_BOOKE206), 7763 GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA), 7764 GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT), 7765 GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT), 7766 GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT), 7767 GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT), 7768 #if defined(TARGET_PPC64) 7769 GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B), 7770 GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001, 7771 PPC_SEGMENT_64B), 7772 GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B), 7773 GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001, 7774 PPC_SEGMENT_64B), 7775 GEN_HANDLER2(slbmte, "slbmte", 0x1F, 0x12, 0x0C, 0x001F0001, PPC_SEGMENT_64B), 7776 GEN_HANDLER2(slbmfee, "slbmfee", 0x1F, 0x13, 0x1C, 0x001F0001, PPC_SEGMENT_64B), 7777 GEN_HANDLER2(slbmfev, "slbmfev", 0x1F, 0x13, 0x1A, 0x001F0001, PPC_SEGMENT_64B), 7778 GEN_HANDLER2(slbfee_, "slbfee.", 0x1F, 0x13, 0x1E, 0x001F0000, PPC_SEGMENT_64B), 7779 #endif 7780 GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA), 7781 /* 7782 * XXX Those instructions will need to be handled differently for 7783 * different ISA versions 7784 */ 7785 GEN_HANDLER(tlbiel, 0x1F, 0x12, 0x08, 0x001F0001, PPC_MEM_TLBIE), 7786 GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x001F0001, PPC_MEM_TLBIE), 7787 GEN_HANDLER_E(tlbiel, 0x1F, 0x12, 0x08, 0x00100001, PPC_NONE, PPC2_ISA300), 7788 GEN_HANDLER_E(tlbie, 0x1F, 0x12, 0x09, 0x00100001, PPC_NONE, PPC2_ISA300), 7789 GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC), 7790 #if defined(TARGET_PPC64) 7791 GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x031FFC01, PPC_SLBI), 7792 GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI), 7793 GEN_HANDLER_E(slbieg, 0x1F, 0x12, 0x0E, 0x001F0001, PPC_NONE, PPC2_ISA300), 7794 GEN_HANDLER_E(slbsync, 0x1F, 0x12, 0x0A, 0x03FFF801, PPC_NONE, PPC2_ISA300), 7795 #endif 7796 GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN), 7797 GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN), 7798 GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR), 7799 GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR), 7800 GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR), 7801 GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR), 7802 GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR), 7803 GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR), 7804 GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR), 7805 GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR), 7806 GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR), 7807 GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR), 7808 GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR), 7809 GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR), 7810 GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR), 7811 GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR), 7812 GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR), 7813 GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR), 7814 GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR), 7815 GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR), 7816 GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR), 7817 GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR), 7818 GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR), 7819 GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR), 7820 GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR), 7821 GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR), 7822 GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR), 7823 GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR), 7824 GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR), 7825 GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR), 7826 GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR), 7827 GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR), 7828 GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR), 7829 GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR), 7830 GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR), 7831 GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR), 7832 GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC), 7833 GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC), 7834 GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC), 7835 GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB), 7836 GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB), 7837 GEN_HANDLER2(tlbld_74xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_74xx_TLB), 7838 GEN_HANDLER2(tlbli_74xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_74xx_TLB), 7839 GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER), 7840 GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER), 7841 GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER), 7842 GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER), 7843 GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER), 7844 GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER), 7845 GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2), 7846 GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2), 7847 GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2), 7848 GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2), 7849 GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2), 7850 GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2), 7851 GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2), 7852 GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2), 7853 GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI), 7854 GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA), 7855 GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR), 7856 GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR), 7857 GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX), 7858 GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX), 7859 GEN_HANDLER(mfdcrux, 0x1F, 0x03, 0x09, 0x00000000, PPC_DCRUX), 7860 GEN_HANDLER(mtdcrux, 0x1F, 0x03, 0x0D, 0x00000000, PPC_DCRUX), 7861 GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON), 7862 GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON), 7863 GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT), 7864 GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON), 7865 GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON), 7866 GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP), 7867 GEN_HANDLER_E(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE, PPC2_BOOKE206), 7868 GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI), 7869 GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI), 7870 GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB), 7871 GEN_HANDLER2(tlbsx_40x, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_TLB), 7872 GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB), 7873 GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE), 7874 GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE), 7875 GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE), 7876 GEN_HANDLER2_E(tlbre_booke206, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, 7877 PPC_NONE, PPC2_BOOKE206), 7878 GEN_HANDLER2_E(tlbsx_booke206, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, 7879 PPC_NONE, PPC2_BOOKE206), 7880 GEN_HANDLER2_E(tlbwe_booke206, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, 7881 PPC_NONE, PPC2_BOOKE206), 7882 GEN_HANDLER2_E(tlbivax_booke206, "tlbivax", 0x1F, 0x12, 0x18, 0x00000001, 7883 PPC_NONE, PPC2_BOOKE206), 7884 GEN_HANDLER2_E(tlbilx_booke206, "tlbilx", 0x1F, 0x12, 0x00, 0x03800001, 7885 PPC_NONE, PPC2_BOOKE206), 7886 GEN_HANDLER2_E(msgsnd, "msgsnd", 0x1F, 0x0E, 0x06, 0x03ff0001, 7887 PPC_NONE, PPC2_PRCNTL), 7888 GEN_HANDLER2_E(msgclr, "msgclr", 0x1F, 0x0E, 0x07, 0x03ff0001, 7889 PPC_NONE, PPC2_PRCNTL), 7890 GEN_HANDLER2_E(msgsync, "msgsync", 0x1F, 0x16, 0x1B, 0x00000000, 7891 PPC_NONE, PPC2_PRCNTL), 7892 GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE), 7893 GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000E7C01, PPC_WRTEE), 7894 GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC), 7895 GEN_HANDLER_E(mbar, 0x1F, 0x16, 0x1a, 0x001FF801, 7896 PPC_BOOKE, PPC2_BOOKE206), 7897 GEN_HANDLER(msync_4xx, 0x1F, 0x16, 0x12, 0x039FF801, PPC_BOOKE), 7898 GEN_HANDLER2_E(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001, 7899 PPC_BOOKE, PPC2_BOOKE206), 7900 GEN_HANDLER2(icbt_440, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, 7901 PPC_440_SPEC), 7902 GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC), 7903 GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC), 7904 GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC), 7905 GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC), 7906 GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC), 7907 #if defined(TARGET_PPC64) 7908 GEN_HANDLER_E(maddhd_maddhdu, 0x04, 0x18, 0xFF, 0x00000000, PPC_NONE, 7909 PPC2_ISA300), 7910 GEN_HANDLER_E(maddld, 0x04, 0x19, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300), 7911 GEN_HANDLER2_E(msgsndp, "msgsndp", 0x1F, 0x0E, 0x04, 0x03ff0001, 7912 PPC_NONE, PPC2_ISA207S), 7913 GEN_HANDLER2_E(msgclrp, "msgclrp", 0x1F, 0x0E, 0x05, 0x03ff0001, 7914 PPC_NONE, PPC2_ISA207S), 7915 #endif 7916 7917 #undef GEN_INT_ARITH_ADD 7918 #undef GEN_INT_ARITH_ADD_CONST 7919 #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov) \ 7920 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER), 7921 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, \ 7922 add_ca, compute_ca, compute_ov) \ 7923 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER), 7924 GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0) 7925 GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1) 7926 GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0) 7927 GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1) 7928 GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0) 7929 GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1) 7930 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0) 7931 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1) 7932 GEN_HANDLER_E(addex, 0x1F, 0x0A, 0x05, 0x00000000, PPC_NONE, PPC2_ISA300), 7933 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0) 7934 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1) 7935 7936 #undef GEN_INT_ARITH_DIVW 7937 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \ 7938 GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER) 7939 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0), 7940 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1), 7941 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0), 7942 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1), 7943 GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206), 7944 GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206), 7945 GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206), 7946 GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206), 7947 GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300), 7948 GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300), 7949 7950 #if defined(TARGET_PPC64) 7951 #undef GEN_INT_ARITH_DIVD 7952 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \ 7953 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B) 7954 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0), 7955 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1), 7956 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0), 7957 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1), 7958 7959 GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206), 7960 GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206), 7961 GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206), 7962 GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206), 7963 GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300), 7964 GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300), 7965 7966 #undef GEN_INT_ARITH_MUL_HELPER 7967 #define GEN_INT_ARITH_MUL_HELPER(name, opc3) \ 7968 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B) 7969 GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00), 7970 GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02), 7971 GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17), 7972 #endif 7973 7974 #undef GEN_INT_ARITH_SUBF 7975 #undef GEN_INT_ARITH_SUBF_CONST 7976 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \ 7977 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER), 7978 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \ 7979 add_ca, compute_ca, compute_ov) \ 7980 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER), 7981 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0) 7982 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1) 7983 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0) 7984 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1) 7985 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0) 7986 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1) 7987 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0) 7988 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1) 7989 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0) 7990 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1) 7991 7992 #undef GEN_LOGICAL1 7993 #undef GEN_LOGICAL2 7994 #define GEN_LOGICAL2(name, tcg_op, opc, type) \ 7995 GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type) 7996 #define GEN_LOGICAL1(name, tcg_op, opc, type) \ 7997 GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type) 7998 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER), 7999 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER), 8000 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER), 8001 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER), 8002 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER), 8003 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER), 8004 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER), 8005 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER), 8006 #if defined(TARGET_PPC64) 8007 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B), 8008 #endif 8009 8010 #if defined(TARGET_PPC64) 8011 #undef GEN_PPC64_R2 8012 #undef GEN_PPC64_R4 8013 #define GEN_PPC64_R2(name, opc1, opc2) \ 8014 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\ 8015 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \ 8016 PPC_64B) 8017 #define GEN_PPC64_R4(name, opc1, opc2) \ 8018 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\ 8019 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x01, 0xFF, 0x00000000, \ 8020 PPC_64B), \ 8021 GEN_HANDLER2(name##2, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \ 8022 PPC_64B), \ 8023 GEN_HANDLER2(name##3, stringify(name), opc1, opc2 | 0x11, 0xFF, 0x00000000, \ 8024 PPC_64B) 8025 GEN_PPC64_R4(rldicl, 0x1E, 0x00), 8026 GEN_PPC64_R4(rldicr, 0x1E, 0x02), 8027 GEN_PPC64_R4(rldic, 0x1E, 0x04), 8028 GEN_PPC64_R2(rldcl, 0x1E, 0x08), 8029 GEN_PPC64_R2(rldcr, 0x1E, 0x09), 8030 GEN_PPC64_R4(rldimi, 0x1E, 0x06), 8031 #endif 8032 8033 #undef GEN_LDX_E 8034 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \ 8035 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2), 8036 8037 #if defined(TARGET_PPC64) 8038 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE) 8039 8040 /* HV/P7 and later only */ 8041 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST) 8042 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x18, PPC_CILDST) 8043 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST) 8044 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST) 8045 #endif 8046 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER) 8047 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER) 8048 8049 /* External PID based load */ 8050 #undef GEN_LDEPX 8051 #define GEN_LDEPX(name, ldop, opc2, opc3) \ 8052 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3, \ 8053 0x00000001, PPC_NONE, PPC2_BOOKE206), 8054 8055 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02) 8056 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08) 8057 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00) 8058 #if defined(TARGET_PPC64) 8059 GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00) 8060 #endif 8061 8062 #undef GEN_STX_E 8063 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \ 8064 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000000, type, type2), 8065 8066 #if defined(TARGET_PPC64) 8067 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE) 8068 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST) 8069 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST) 8070 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST) 8071 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST) 8072 #endif 8073 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER) 8074 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER) 8075 8076 #undef GEN_STEPX 8077 #define GEN_STEPX(name, ldop, opc2, opc3) \ 8078 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3, \ 8079 0x00000001, PPC_NONE, PPC2_BOOKE206), 8080 8081 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06) 8082 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C) 8083 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04) 8084 #if defined(TARGET_PPC64) 8085 GEN_STEPX(std, DEF_MEMOP(MO_Q), 0x1D, 0x04) 8086 #endif 8087 8088 #undef GEN_CRLOGIC 8089 #define GEN_CRLOGIC(name, tcg_op, opc) \ 8090 GEN_HANDLER(name, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER) 8091 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08), 8092 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04), 8093 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09), 8094 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07), 8095 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01), 8096 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E), 8097 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D), 8098 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06), 8099 8100 #undef GEN_MAC_HANDLER 8101 #define GEN_MAC_HANDLER(name, opc2, opc3) \ 8102 GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC) 8103 GEN_MAC_HANDLER(macchw, 0x0C, 0x05), 8104 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15), 8105 GEN_MAC_HANDLER(macchws, 0x0C, 0x07), 8106 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17), 8107 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06), 8108 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16), 8109 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04), 8110 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14), 8111 GEN_MAC_HANDLER(machhw, 0x0C, 0x01), 8112 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11), 8113 GEN_MAC_HANDLER(machhws, 0x0C, 0x03), 8114 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13), 8115 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02), 8116 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12), 8117 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00), 8118 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10), 8119 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D), 8120 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D), 8121 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F), 8122 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F), 8123 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C), 8124 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C), 8125 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E), 8126 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E), 8127 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05), 8128 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15), 8129 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07), 8130 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17), 8131 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01), 8132 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11), 8133 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03), 8134 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13), 8135 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D), 8136 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D), 8137 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F), 8138 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F), 8139 GEN_MAC_HANDLER(mulchw, 0x08, 0x05), 8140 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04), 8141 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01), 8142 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00), 8143 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D), 8144 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C), 8145 8146 GEN_HANDLER2_E(tbegin, "tbegin", 0x1F, 0x0E, 0x14, 0x01DFF800, \ 8147 PPC_NONE, PPC2_TM), 8148 GEN_HANDLER2_E(tend, "tend", 0x1F, 0x0E, 0x15, 0x01FFF800, \ 8149 PPC_NONE, PPC2_TM), 8150 GEN_HANDLER2_E(tabort, "tabort", 0x1F, 0x0E, 0x1C, 0x03E0F800, \ 8151 PPC_NONE, PPC2_TM), 8152 GEN_HANDLER2_E(tabortwc, "tabortwc", 0x1F, 0x0E, 0x18, 0x00000000, \ 8153 PPC_NONE, PPC2_TM), 8154 GEN_HANDLER2_E(tabortwci, "tabortwci", 0x1F, 0x0E, 0x1A, 0x00000000, \ 8155 PPC_NONE, PPC2_TM), 8156 GEN_HANDLER2_E(tabortdc, "tabortdc", 0x1F, 0x0E, 0x19, 0x00000000, \ 8157 PPC_NONE, PPC2_TM), 8158 GEN_HANDLER2_E(tabortdci, "tabortdci", 0x1F, 0x0E, 0x1B, 0x00000000, \ 8159 PPC_NONE, PPC2_TM), 8160 GEN_HANDLER2_E(tsr, "tsr", 0x1F, 0x0E, 0x17, 0x03DFF800, \ 8161 PPC_NONE, PPC2_TM), 8162 GEN_HANDLER2_E(tcheck, "tcheck", 0x1F, 0x0E, 0x16, 0x007FF800, \ 8163 PPC_NONE, PPC2_TM), 8164 GEN_HANDLER2_E(treclaim, "treclaim", 0x1F, 0x0E, 0x1D, 0x03E0F800, \ 8165 PPC_NONE, PPC2_TM), 8166 GEN_HANDLER2_E(trechkpt, "trechkpt", 0x1F, 0x0E, 0x1F, 0x03FFF800, \ 8167 PPC_NONE, PPC2_TM), 8168 8169 #include "translate/fp-ops.c.inc" 8170 8171 #include "translate/vmx-ops.c.inc" 8172 8173 #include "translate/vsx-ops.c.inc" 8174 8175 #include "translate/dfp-ops.c.inc" 8176 8177 #include "translate/spe-ops.c.inc" 8178 }; 8179 8180 /*****************************************************************************/ 8181 /* Opcode types */ 8182 enum { 8183 PPC_DIRECT = 0, /* Opcode routine */ 8184 PPC_INDIRECT = 1, /* Indirect opcode table */ 8185 }; 8186 8187 #define PPC_OPCODE_MASK 0x3 8188 8189 static inline int is_indirect_opcode(void *handler) 8190 { 8191 return ((uintptr_t)handler & PPC_OPCODE_MASK) == PPC_INDIRECT; 8192 } 8193 8194 static inline opc_handler_t **ind_table(void *handler) 8195 { 8196 return (opc_handler_t **)((uintptr_t)handler & ~PPC_OPCODE_MASK); 8197 } 8198 8199 /* Instruction table creation */ 8200 /* Opcodes tables creation */ 8201 static void fill_new_table(opc_handler_t **table, int len) 8202 { 8203 int i; 8204 8205 for (i = 0; i < len; i++) { 8206 table[i] = &invalid_handler; 8207 } 8208 } 8209 8210 static int create_new_table(opc_handler_t **table, unsigned char idx) 8211 { 8212 opc_handler_t **tmp; 8213 8214 tmp = g_new(opc_handler_t *, PPC_CPU_INDIRECT_OPCODES_LEN); 8215 fill_new_table(tmp, PPC_CPU_INDIRECT_OPCODES_LEN); 8216 table[idx] = (opc_handler_t *)((uintptr_t)tmp | PPC_INDIRECT); 8217 8218 return 0; 8219 } 8220 8221 static int insert_in_table(opc_handler_t **table, unsigned char idx, 8222 opc_handler_t *handler) 8223 { 8224 if (table[idx] != &invalid_handler) { 8225 return -1; 8226 } 8227 table[idx] = handler; 8228 8229 return 0; 8230 } 8231 8232 static int register_direct_insn(opc_handler_t **ppc_opcodes, 8233 unsigned char idx, opc_handler_t *handler) 8234 { 8235 if (insert_in_table(ppc_opcodes, idx, handler) < 0) { 8236 printf("*** ERROR: opcode %02x already assigned in main " 8237 "opcode table\n", idx); 8238 return -1; 8239 } 8240 8241 return 0; 8242 } 8243 8244 static int register_ind_in_table(opc_handler_t **table, 8245 unsigned char idx1, unsigned char idx2, 8246 opc_handler_t *handler) 8247 { 8248 if (table[idx1] == &invalid_handler) { 8249 if (create_new_table(table, idx1) < 0) { 8250 printf("*** ERROR: unable to create indirect table " 8251 "idx=%02x\n", idx1); 8252 return -1; 8253 } 8254 } else { 8255 if (!is_indirect_opcode(table[idx1])) { 8256 printf("*** ERROR: idx %02x already assigned to a direct " 8257 "opcode\n", idx1); 8258 return -1; 8259 } 8260 } 8261 if (handler != NULL && 8262 insert_in_table(ind_table(table[idx1]), idx2, handler) < 0) { 8263 printf("*** ERROR: opcode %02x already assigned in " 8264 "opcode table %02x\n", idx2, idx1); 8265 return -1; 8266 } 8267 8268 return 0; 8269 } 8270 8271 static int register_ind_insn(opc_handler_t **ppc_opcodes, 8272 unsigned char idx1, unsigned char idx2, 8273 opc_handler_t *handler) 8274 { 8275 return register_ind_in_table(ppc_opcodes, idx1, idx2, handler); 8276 } 8277 8278 static int register_dblind_insn(opc_handler_t **ppc_opcodes, 8279 unsigned char idx1, unsigned char idx2, 8280 unsigned char idx3, opc_handler_t *handler) 8281 { 8282 if (register_ind_in_table(ppc_opcodes, idx1, idx2, NULL) < 0) { 8283 printf("*** ERROR: unable to join indirect table idx " 8284 "[%02x-%02x]\n", idx1, idx2); 8285 return -1; 8286 } 8287 if (register_ind_in_table(ind_table(ppc_opcodes[idx1]), idx2, idx3, 8288 handler) < 0) { 8289 printf("*** ERROR: unable to insert opcode " 8290 "[%02x-%02x-%02x]\n", idx1, idx2, idx3); 8291 return -1; 8292 } 8293 8294 return 0; 8295 } 8296 8297 static int register_trplind_insn(opc_handler_t **ppc_opcodes, 8298 unsigned char idx1, unsigned char idx2, 8299 unsigned char idx3, unsigned char idx4, 8300 opc_handler_t *handler) 8301 { 8302 opc_handler_t **table; 8303 8304 if (register_ind_in_table(ppc_opcodes, idx1, idx2, NULL) < 0) { 8305 printf("*** ERROR: unable to join indirect table idx " 8306 "[%02x-%02x]\n", idx1, idx2); 8307 return -1; 8308 } 8309 table = ind_table(ppc_opcodes[idx1]); 8310 if (register_ind_in_table(table, idx2, idx3, NULL) < 0) { 8311 printf("*** ERROR: unable to join 2nd-level indirect table idx " 8312 "[%02x-%02x-%02x]\n", idx1, idx2, idx3); 8313 return -1; 8314 } 8315 table = ind_table(table[idx2]); 8316 if (register_ind_in_table(table, idx3, idx4, handler) < 0) { 8317 printf("*** ERROR: unable to insert opcode " 8318 "[%02x-%02x-%02x-%02x]\n", idx1, idx2, idx3, idx4); 8319 return -1; 8320 } 8321 return 0; 8322 } 8323 static int register_insn(opc_handler_t **ppc_opcodes, opcode_t *insn) 8324 { 8325 if (insn->opc2 != 0xFF) { 8326 if (insn->opc3 != 0xFF) { 8327 if (insn->opc4 != 0xFF) { 8328 if (register_trplind_insn(ppc_opcodes, insn->opc1, insn->opc2, 8329 insn->opc3, insn->opc4, 8330 &insn->handler) < 0) { 8331 return -1; 8332 } 8333 } else { 8334 if (register_dblind_insn(ppc_opcodes, insn->opc1, insn->opc2, 8335 insn->opc3, &insn->handler) < 0) { 8336 return -1; 8337 } 8338 } 8339 } else { 8340 if (register_ind_insn(ppc_opcodes, insn->opc1, 8341 insn->opc2, &insn->handler) < 0) { 8342 return -1; 8343 } 8344 } 8345 } else { 8346 if (register_direct_insn(ppc_opcodes, insn->opc1, &insn->handler) < 0) { 8347 return -1; 8348 } 8349 } 8350 8351 return 0; 8352 } 8353 8354 static int test_opcode_table(opc_handler_t **table, int len) 8355 { 8356 int i, count, tmp; 8357 8358 for (i = 0, count = 0; i < len; i++) { 8359 /* Consistency fixup */ 8360 if (table[i] == NULL) { 8361 table[i] = &invalid_handler; 8362 } 8363 if (table[i] != &invalid_handler) { 8364 if (is_indirect_opcode(table[i])) { 8365 tmp = test_opcode_table(ind_table(table[i]), 8366 PPC_CPU_INDIRECT_OPCODES_LEN); 8367 if (tmp == 0) { 8368 free(table[i]); 8369 table[i] = &invalid_handler; 8370 } else { 8371 count++; 8372 } 8373 } else { 8374 count++; 8375 } 8376 } 8377 } 8378 8379 return count; 8380 } 8381 8382 static void fix_opcode_tables(opc_handler_t **ppc_opcodes) 8383 { 8384 if (test_opcode_table(ppc_opcodes, PPC_CPU_OPCODES_LEN) == 0) { 8385 printf("*** WARNING: no opcode defined !\n"); 8386 } 8387 } 8388 8389 /*****************************************************************************/ 8390 void create_ppc_opcodes(PowerPCCPU *cpu, Error **errp) 8391 { 8392 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); 8393 opcode_t *opc; 8394 8395 fill_new_table(cpu->opcodes, PPC_CPU_OPCODES_LEN); 8396 for (opc = opcodes; opc < &opcodes[ARRAY_SIZE(opcodes)]; opc++) { 8397 if (((opc->handler.type & pcc->insns_flags) != 0) || 8398 ((opc->handler.type2 & pcc->insns_flags2) != 0)) { 8399 if (register_insn(cpu->opcodes, opc) < 0) { 8400 error_setg(errp, "ERROR initializing PowerPC instruction " 8401 "0x%02x 0x%02x 0x%02x", opc->opc1, opc->opc2, 8402 opc->opc3); 8403 return; 8404 } 8405 } 8406 } 8407 fix_opcode_tables(cpu->opcodes); 8408 fflush(stdout); 8409 fflush(stderr); 8410 } 8411 8412 void destroy_ppc_opcodes(PowerPCCPU *cpu) 8413 { 8414 opc_handler_t **table, **table_2; 8415 int i, j, k; 8416 8417 for (i = 0; i < PPC_CPU_OPCODES_LEN; i++) { 8418 if (cpu->opcodes[i] == &invalid_handler) { 8419 continue; 8420 } 8421 if (is_indirect_opcode(cpu->opcodes[i])) { 8422 table = ind_table(cpu->opcodes[i]); 8423 for (j = 0; j < PPC_CPU_INDIRECT_OPCODES_LEN; j++) { 8424 if (table[j] == &invalid_handler) { 8425 continue; 8426 } 8427 if (is_indirect_opcode(table[j])) { 8428 table_2 = ind_table(table[j]); 8429 for (k = 0; k < PPC_CPU_INDIRECT_OPCODES_LEN; k++) { 8430 if (table_2[k] != &invalid_handler && 8431 is_indirect_opcode(table_2[k])) { 8432 g_free((opc_handler_t *)((uintptr_t)table_2[k] & 8433 ~PPC_INDIRECT)); 8434 } 8435 } 8436 g_free((opc_handler_t *)((uintptr_t)table[j] & 8437 ~PPC_INDIRECT)); 8438 } 8439 } 8440 g_free((opc_handler_t *)((uintptr_t)cpu->opcodes[i] & 8441 ~PPC_INDIRECT)); 8442 } 8443 } 8444 } 8445 8446 int ppc_fixup_cpu(PowerPCCPU *cpu) 8447 { 8448 CPUPPCState *env = &cpu->env; 8449 8450 /* 8451 * TCG doesn't (yet) emulate some groups of instructions that are 8452 * implemented on some otherwise supported CPUs (e.g. VSX and 8453 * decimal floating point instructions on POWER7). We remove 8454 * unsupported instruction groups from the cpu state's instruction 8455 * masks and hope the guest can cope. For at least the pseries 8456 * machine, the unavailability of these instructions can be 8457 * advertised to the guest via the device tree. 8458 */ 8459 if ((env->insns_flags & ~PPC_TCG_INSNS) 8460 || (env->insns_flags2 & ~PPC_TCG_INSNS2)) { 8461 warn_report("Disabling some instructions which are not " 8462 "emulated by TCG (0x%" PRIx64 ", 0x%" PRIx64 ")", 8463 env->insns_flags & ~PPC_TCG_INSNS, 8464 env->insns_flags2 & ~PPC_TCG_INSNS2); 8465 } 8466 env->insns_flags &= PPC_TCG_INSNS; 8467 env->insns_flags2 &= PPC_TCG_INSNS2; 8468 return 0; 8469 } 8470 8471 static bool decode_legacy(PowerPCCPU *cpu, DisasContext *ctx, uint32_t insn) 8472 { 8473 opc_handler_t **table, *handler; 8474 uint32_t inval; 8475 8476 ctx->opcode = insn; 8477 8478 LOG_DISAS("translate opcode %08x (%02x %02x %02x %02x) (%s)\n", 8479 insn, opc1(insn), opc2(insn), opc3(insn), opc4(insn), 8480 ctx->le_mode ? "little" : "big"); 8481 8482 table = cpu->opcodes; 8483 handler = table[opc1(insn)]; 8484 if (is_indirect_opcode(handler)) { 8485 table = ind_table(handler); 8486 handler = table[opc2(insn)]; 8487 if (is_indirect_opcode(handler)) { 8488 table = ind_table(handler); 8489 handler = table[opc3(insn)]; 8490 if (is_indirect_opcode(handler)) { 8491 table = ind_table(handler); 8492 handler = table[opc4(insn)]; 8493 } 8494 } 8495 } 8496 8497 /* Is opcode *REALLY* valid ? */ 8498 if (unlikely(handler->handler == &gen_invalid)) { 8499 qemu_log_mask(LOG_GUEST_ERROR, "invalid/unsupported opcode: " 8500 "%02x - %02x - %02x - %02x (%08x) " 8501 TARGET_FMT_lx "\n", 8502 opc1(insn), opc2(insn), opc3(insn), opc4(insn), 8503 insn, ctx->cia); 8504 return false; 8505 } 8506 8507 if (unlikely(handler->type & (PPC_SPE | PPC_SPE_SINGLE | PPC_SPE_DOUBLE) 8508 && Rc(insn))) { 8509 inval = handler->inval2; 8510 } else { 8511 inval = handler->inval1; 8512 } 8513 8514 if (unlikely((insn & inval) != 0)) { 8515 qemu_log_mask(LOG_GUEST_ERROR, "invalid bits: %08x for opcode: " 8516 "%02x - %02x - %02x - %02x (%08x) " 8517 TARGET_FMT_lx "\n", insn & inval, 8518 opc1(insn), opc2(insn), opc3(insn), opc4(insn), 8519 insn, ctx->cia); 8520 return false; 8521 } 8522 8523 handler->handler(ctx); 8524 return true; 8525 } 8526 8527 static void ppc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) 8528 { 8529 DisasContext *ctx = container_of(dcbase, DisasContext, base); 8530 CPUPPCState *env = cs->env_ptr; 8531 uint32_t hflags = ctx->base.tb->flags; 8532 8533 ctx->spr_cb = env->spr_cb; 8534 ctx->pr = (hflags >> HFLAGS_PR) & 1; 8535 ctx->mem_idx = (hflags >> HFLAGS_DMMU_IDX) & 7; 8536 ctx->dr = (hflags >> HFLAGS_DR) & 1; 8537 ctx->hv = (hflags >> HFLAGS_HV) & 1; 8538 ctx->insns_flags = env->insns_flags; 8539 ctx->insns_flags2 = env->insns_flags2; 8540 ctx->access_type = -1; 8541 ctx->need_access_type = !mmu_is_64bit(env->mmu_model); 8542 ctx->le_mode = (hflags >> HFLAGS_LE) & 1; 8543 ctx->default_tcg_memop_mask = ctx->le_mode ? MO_LE : MO_BE; 8544 ctx->flags = env->flags; 8545 #if defined(TARGET_PPC64) 8546 ctx->sf_mode = (hflags >> HFLAGS_64) & 1; 8547 ctx->has_cfar = !!(env->flags & POWERPC_FLAG_CFAR); 8548 #endif 8549 ctx->lazy_tlb_flush = env->mmu_model == POWERPC_MMU_32B 8550 || env->mmu_model == POWERPC_MMU_601 8551 || env->mmu_model & POWERPC_MMU_64; 8552 8553 ctx->fpu_enabled = (hflags >> HFLAGS_FP) & 1; 8554 ctx->spe_enabled = (hflags >> HFLAGS_SPE) & 1; 8555 ctx->altivec_enabled = (hflags >> HFLAGS_VR) & 1; 8556 ctx->vsx_enabled = (hflags >> HFLAGS_VSX) & 1; 8557 ctx->tm_enabled = (hflags >> HFLAGS_TM) & 1; 8558 ctx->gtse = (hflags >> HFLAGS_GTSE) & 1; 8559 ctx->hr = (hflags >> HFLAGS_HR) & 1; 8560 8561 ctx->singlestep_enabled = 0; 8562 if ((hflags >> HFLAGS_SE) & 1) { 8563 ctx->singlestep_enabled |= CPU_SINGLE_STEP; 8564 } 8565 if ((hflags >> HFLAGS_BE) & 1) { 8566 ctx->singlestep_enabled |= CPU_BRANCH_STEP; 8567 } 8568 if (unlikely(ctx->base.singlestep_enabled)) { 8569 ctx->singlestep_enabled |= GDBSTUB_SINGLE_STEP; 8570 } 8571 8572 if (ctx->singlestep_enabled & (CPU_SINGLE_STEP | GDBSTUB_SINGLE_STEP)) { 8573 ctx->base.max_insns = 1; 8574 } 8575 } 8576 8577 static void ppc_tr_tb_start(DisasContextBase *db, CPUState *cs) 8578 { 8579 } 8580 8581 static void ppc_tr_insn_start(DisasContextBase *dcbase, CPUState *cs) 8582 { 8583 tcg_gen_insn_start(dcbase->pc_next); 8584 } 8585 8586 static bool is_prefix_insn(DisasContext *ctx, uint32_t insn) 8587 { 8588 REQUIRE_INSNS_FLAGS2(ctx, ISA310); 8589 return opc1(insn) == 1; 8590 } 8591 8592 static void ppc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) 8593 { 8594 DisasContext *ctx = container_of(dcbase, DisasContext, base); 8595 PowerPCCPU *cpu = POWERPC_CPU(cs); 8596 CPUPPCState *env = cs->env_ptr; 8597 target_ulong pc; 8598 uint32_t insn; 8599 bool ok; 8600 8601 LOG_DISAS("----------------\n"); 8602 LOG_DISAS("nip=" TARGET_FMT_lx " super=%d ir=%d\n", 8603 ctx->base.pc_next, ctx->mem_idx, (int)msr_ir); 8604 8605 ctx->cia = pc = ctx->base.pc_next; 8606 insn = translator_ldl_swap(env, dcbase, pc, need_byteswap(ctx)); 8607 ctx->base.pc_next = pc += 4; 8608 8609 if (!is_prefix_insn(ctx, insn)) { 8610 ok = (decode_insn32(ctx, insn) || 8611 decode_legacy(cpu, ctx, insn)); 8612 } else if ((pc & 63) == 0) { 8613 /* 8614 * Power v3.1, section 1.9 Exceptions: 8615 * attempt to execute a prefixed instruction that crosses a 8616 * 64-byte address boundary (system alignment error). 8617 */ 8618 gen_exception_err(ctx, POWERPC_EXCP_ALIGN, POWERPC_EXCP_ALIGN_INSN); 8619 ok = true; 8620 } else { 8621 uint32_t insn2 = translator_ldl_swap(env, dcbase, pc, 8622 need_byteswap(ctx)); 8623 ctx->base.pc_next = pc += 4; 8624 ok = decode_insn64(ctx, deposit64(insn2, 32, 32, insn)); 8625 } 8626 if (!ok) { 8627 gen_invalid(ctx); 8628 } 8629 8630 /* End the TB when crossing a page boundary. */ 8631 if (ctx->base.is_jmp == DISAS_NEXT && !(pc & ~TARGET_PAGE_MASK)) { 8632 ctx->base.is_jmp = DISAS_TOO_MANY; 8633 } 8634 8635 translator_loop_temp_check(&ctx->base); 8636 } 8637 8638 static void ppc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs) 8639 { 8640 DisasContext *ctx = container_of(dcbase, DisasContext, base); 8641 DisasJumpType is_jmp = ctx->base.is_jmp; 8642 target_ulong nip = ctx->base.pc_next; 8643 int sse; 8644 8645 if (is_jmp == DISAS_NORETURN) { 8646 /* We have already exited the TB. */ 8647 return; 8648 } 8649 8650 /* Honor single stepping. */ 8651 sse = ctx->singlestep_enabled & (CPU_SINGLE_STEP | GDBSTUB_SINGLE_STEP); 8652 if (unlikely(sse)) { 8653 switch (is_jmp) { 8654 case DISAS_TOO_MANY: 8655 case DISAS_EXIT_UPDATE: 8656 case DISAS_CHAIN_UPDATE: 8657 gen_update_nip(ctx, nip); 8658 break; 8659 case DISAS_EXIT: 8660 case DISAS_CHAIN: 8661 break; 8662 default: 8663 g_assert_not_reached(); 8664 } 8665 8666 if (sse & GDBSTUB_SINGLE_STEP) { 8667 gen_debug_exception(ctx); 8668 return; 8669 } 8670 /* else CPU_SINGLE_STEP... */ 8671 if (nip <= 0x100 || nip > 0xf00) { 8672 gen_helper_raise_exception(cpu_env, tcg_constant_i32(gen_prep_dbgex(ctx))); 8673 return; 8674 } 8675 } 8676 8677 switch (is_jmp) { 8678 case DISAS_TOO_MANY: 8679 if (use_goto_tb(ctx, nip)) { 8680 tcg_gen_goto_tb(0); 8681 gen_update_nip(ctx, nip); 8682 tcg_gen_exit_tb(ctx->base.tb, 0); 8683 break; 8684 } 8685 /* fall through */ 8686 case DISAS_CHAIN_UPDATE: 8687 gen_update_nip(ctx, nip); 8688 /* fall through */ 8689 case DISAS_CHAIN: 8690 tcg_gen_lookup_and_goto_ptr(); 8691 break; 8692 8693 case DISAS_EXIT_UPDATE: 8694 gen_update_nip(ctx, nip); 8695 /* fall through */ 8696 case DISAS_EXIT: 8697 tcg_gen_exit_tb(NULL, 0); 8698 break; 8699 8700 default: 8701 g_assert_not_reached(); 8702 } 8703 } 8704 8705 static void ppc_tr_disas_log(const DisasContextBase *dcbase, CPUState *cs) 8706 { 8707 qemu_log("IN: %s\n", lookup_symbol(dcbase->pc_first)); 8708 log_target_disas(cs, dcbase->pc_first, dcbase->tb->size); 8709 } 8710 8711 static const TranslatorOps ppc_tr_ops = { 8712 .init_disas_context = ppc_tr_init_disas_context, 8713 .tb_start = ppc_tr_tb_start, 8714 .insn_start = ppc_tr_insn_start, 8715 .translate_insn = ppc_tr_translate_insn, 8716 .tb_stop = ppc_tr_tb_stop, 8717 .disas_log = ppc_tr_disas_log, 8718 }; 8719 8720 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns) 8721 { 8722 DisasContext ctx; 8723 8724 translator_loop(&ppc_tr_ops, &ctx.base, cs, tb, max_insns); 8725 } 8726 8727 void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb, 8728 target_ulong *data) 8729 { 8730 env->nip = data[0]; 8731 } 8732