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_common.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 46 /* Include definitions for instructions classes and implementations flags */ 47 /* #define PPC_DEBUG_DISAS */ 48 49 #ifdef PPC_DEBUG_DISAS 50 # define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__) 51 #else 52 # define LOG_DISAS(...) do { } while (0) 53 #endif 54 /*****************************************************************************/ 55 /* Code translation helpers */ 56 57 /* global register indexes */ 58 static char cpu_reg_names[10 * 3 + 22 * 4 /* GPR */ 59 + 10 * 4 + 22 * 5 /* SPE GPRh */ 60 + 8 * 5 /* CRF */]; 61 static TCGv cpu_gpr[32]; 62 static TCGv cpu_gprh[32]; 63 static TCGv_i32 cpu_crf[8]; 64 static TCGv cpu_nip; 65 static TCGv cpu_msr; 66 static TCGv cpu_ctr; 67 static TCGv cpu_lr; 68 #if defined(TARGET_PPC64) 69 static TCGv cpu_cfar; 70 #endif 71 static TCGv cpu_xer, cpu_so, cpu_ov, cpu_ca, cpu_ov32, cpu_ca32; 72 static TCGv cpu_reserve; 73 static TCGv cpu_reserve_val; 74 static TCGv cpu_fpscr; 75 static TCGv_i32 cpu_access_type; 76 77 #include "exec/gen-icount.h" 78 79 void ppc_translate_init(void) 80 { 81 int i; 82 char *p; 83 size_t cpu_reg_names_size; 84 85 p = cpu_reg_names; 86 cpu_reg_names_size = sizeof(cpu_reg_names); 87 88 for (i = 0; i < 8; i++) { 89 snprintf(p, cpu_reg_names_size, "crf%d", i); 90 cpu_crf[i] = tcg_global_mem_new_i32(cpu_env, 91 offsetof(CPUPPCState, crf[i]), p); 92 p += 5; 93 cpu_reg_names_size -= 5; 94 } 95 96 for (i = 0; i < 32; i++) { 97 snprintf(p, cpu_reg_names_size, "r%d", i); 98 cpu_gpr[i] = tcg_global_mem_new(cpu_env, 99 offsetof(CPUPPCState, gpr[i]), p); 100 p += (i < 10) ? 3 : 4; 101 cpu_reg_names_size -= (i < 10) ? 3 : 4; 102 snprintf(p, cpu_reg_names_size, "r%dH", i); 103 cpu_gprh[i] = tcg_global_mem_new(cpu_env, 104 offsetof(CPUPPCState, gprh[i]), p); 105 p += (i < 10) ? 4 : 5; 106 cpu_reg_names_size -= (i < 10) ? 4 : 5; 107 } 108 109 cpu_nip = tcg_global_mem_new(cpu_env, 110 offsetof(CPUPPCState, nip), "nip"); 111 112 cpu_msr = tcg_global_mem_new(cpu_env, 113 offsetof(CPUPPCState, msr), "msr"); 114 115 cpu_ctr = tcg_global_mem_new(cpu_env, 116 offsetof(CPUPPCState, ctr), "ctr"); 117 118 cpu_lr = tcg_global_mem_new(cpu_env, 119 offsetof(CPUPPCState, lr), "lr"); 120 121 #if defined(TARGET_PPC64) 122 cpu_cfar = tcg_global_mem_new(cpu_env, 123 offsetof(CPUPPCState, cfar), "cfar"); 124 #endif 125 126 cpu_xer = tcg_global_mem_new(cpu_env, 127 offsetof(CPUPPCState, xer), "xer"); 128 cpu_so = tcg_global_mem_new(cpu_env, 129 offsetof(CPUPPCState, so), "SO"); 130 cpu_ov = tcg_global_mem_new(cpu_env, 131 offsetof(CPUPPCState, ov), "OV"); 132 cpu_ca = tcg_global_mem_new(cpu_env, 133 offsetof(CPUPPCState, ca), "CA"); 134 cpu_ov32 = tcg_global_mem_new(cpu_env, 135 offsetof(CPUPPCState, ov32), "OV32"); 136 cpu_ca32 = tcg_global_mem_new(cpu_env, 137 offsetof(CPUPPCState, ca32), "CA32"); 138 139 cpu_reserve = tcg_global_mem_new(cpu_env, 140 offsetof(CPUPPCState, reserve_addr), 141 "reserve_addr"); 142 cpu_reserve_val = tcg_global_mem_new(cpu_env, 143 offsetof(CPUPPCState, reserve_val), 144 "reserve_val"); 145 146 cpu_fpscr = tcg_global_mem_new(cpu_env, 147 offsetof(CPUPPCState, fpscr), "fpscr"); 148 149 cpu_access_type = tcg_global_mem_new_i32(cpu_env, 150 offsetof(CPUPPCState, access_type), 151 "access_type"); 152 } 153 154 /* internal defines */ 155 struct DisasContext { 156 DisasContextBase base; 157 target_ulong cia; /* current instruction address */ 158 uint32_t opcode; 159 /* Routine used to access memory */ 160 bool pr, hv, dr, le_mode; 161 bool lazy_tlb_flush; 162 bool need_access_type; 163 int mem_idx; 164 int access_type; 165 /* Translation flags */ 166 MemOp default_tcg_memop_mask; 167 #if defined(TARGET_PPC64) 168 bool sf_mode; 169 bool has_cfar; 170 #endif 171 bool fpu_enabled; 172 bool altivec_enabled; 173 bool vsx_enabled; 174 bool spe_enabled; 175 bool tm_enabled; 176 bool gtse; 177 bool hr; 178 bool mmcr0_pmcc0; 179 bool mmcr0_pmcc1; 180 bool pmu_insn_cnt; 181 ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */ 182 int singlestep_enabled; 183 uint32_t flags; 184 uint64_t insns_flags; 185 uint64_t insns_flags2; 186 }; 187 188 #define DISAS_EXIT DISAS_TARGET_0 /* exit to main loop, pc updated */ 189 #define DISAS_EXIT_UPDATE DISAS_TARGET_1 /* exit to main loop, pc stale */ 190 #define DISAS_CHAIN DISAS_TARGET_2 /* lookup next tb, pc updated */ 191 #define DISAS_CHAIN_UPDATE DISAS_TARGET_3 /* lookup next tb, pc stale */ 192 193 /* Return true iff byteswap is needed in a scalar memop */ 194 static inline bool need_byteswap(const DisasContext *ctx) 195 { 196 #if defined(TARGET_WORDS_BIGENDIAN) 197 return ctx->le_mode; 198 #else 199 return !ctx->le_mode; 200 #endif 201 } 202 203 /* True when active word size < size of target_long. */ 204 #ifdef TARGET_PPC64 205 # define NARROW_MODE(C) (!(C)->sf_mode) 206 #else 207 # define NARROW_MODE(C) 0 208 #endif 209 210 struct opc_handler_t { 211 /* invalid bits for instruction 1 (Rc(opcode) == 0) */ 212 uint32_t inval1; 213 /* invalid bits for instruction 2 (Rc(opcode) == 1) */ 214 uint32_t inval2; 215 /* instruction type */ 216 uint64_t type; 217 /* extended instruction type */ 218 uint64_t type2; 219 /* handler */ 220 void (*handler)(DisasContext *ctx); 221 }; 222 223 /* SPR load/store helpers */ 224 static inline void gen_load_spr(TCGv t, int reg) 225 { 226 tcg_gen_ld_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg])); 227 } 228 229 static inline void gen_store_spr(int reg, TCGv t) 230 { 231 tcg_gen_st_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg])); 232 } 233 234 static inline void gen_set_access_type(DisasContext *ctx, int access_type) 235 { 236 if (ctx->need_access_type && ctx->access_type != access_type) { 237 tcg_gen_movi_i32(cpu_access_type, access_type); 238 ctx->access_type = access_type; 239 } 240 } 241 242 static inline void gen_update_nip(DisasContext *ctx, target_ulong nip) 243 { 244 if (NARROW_MODE(ctx)) { 245 nip = (uint32_t)nip; 246 } 247 tcg_gen_movi_tl(cpu_nip, nip); 248 } 249 250 static void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error) 251 { 252 TCGv_i32 t0, t1; 253 254 /* 255 * These are all synchronous exceptions, we set the PC back to the 256 * faulting instruction 257 */ 258 gen_update_nip(ctx, ctx->cia); 259 t0 = tcg_const_i32(excp); 260 t1 = tcg_const_i32(error); 261 gen_helper_raise_exception_err(cpu_env, t0, t1); 262 tcg_temp_free_i32(t0); 263 tcg_temp_free_i32(t1); 264 ctx->base.is_jmp = DISAS_NORETURN; 265 } 266 267 static void gen_exception(DisasContext *ctx, uint32_t excp) 268 { 269 TCGv_i32 t0; 270 271 /* 272 * These are all synchronous exceptions, we set the PC back to the 273 * faulting instruction 274 */ 275 gen_update_nip(ctx, ctx->cia); 276 t0 = tcg_const_i32(excp); 277 gen_helper_raise_exception(cpu_env, t0); 278 tcg_temp_free_i32(t0); 279 ctx->base.is_jmp = DISAS_NORETURN; 280 } 281 282 static void gen_exception_nip(DisasContext *ctx, uint32_t excp, 283 target_ulong nip) 284 { 285 TCGv_i32 t0; 286 287 gen_update_nip(ctx, nip); 288 t0 = tcg_const_i32(excp); 289 gen_helper_raise_exception(cpu_env, t0); 290 tcg_temp_free_i32(t0); 291 ctx->base.is_jmp = DISAS_NORETURN; 292 } 293 294 static void gen_icount_io_start(DisasContext *ctx) 295 { 296 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { 297 gen_io_start(); 298 /* 299 * An I/O instruction must be last in the TB. 300 * Chain to the next TB, and let the code from gen_tb_start 301 * decide if we need to return to the main loop. 302 * Doing this first also allows this value to be overridden. 303 */ 304 ctx->base.is_jmp = DISAS_TOO_MANY; 305 } 306 } 307 308 /* 309 * Tells the caller what is the appropriate exception to generate and prepares 310 * SPR registers for this exception. 311 * 312 * The exception can be either POWERPC_EXCP_TRACE (on most PowerPCs) or 313 * POWERPC_EXCP_DEBUG (on BookE). 314 */ 315 static uint32_t gen_prep_dbgex(DisasContext *ctx) 316 { 317 if (ctx->flags & POWERPC_FLAG_DE) { 318 target_ulong dbsr = 0; 319 if (ctx->singlestep_enabled & CPU_SINGLE_STEP) { 320 dbsr = DBCR0_ICMP; 321 } else { 322 /* Must have been branch */ 323 dbsr = DBCR0_BRT; 324 } 325 TCGv t0 = tcg_temp_new(); 326 gen_load_spr(t0, SPR_BOOKE_DBSR); 327 tcg_gen_ori_tl(t0, t0, dbsr); 328 gen_store_spr(SPR_BOOKE_DBSR, t0); 329 tcg_temp_free(t0); 330 return POWERPC_EXCP_DEBUG; 331 } else { 332 return POWERPC_EXCP_TRACE; 333 } 334 } 335 336 static void gen_debug_exception(DisasContext *ctx) 337 { 338 gen_helper_raise_exception(cpu_env, tcg_constant_i32(gen_prep_dbgex(ctx))); 339 ctx->base.is_jmp = DISAS_NORETURN; 340 } 341 342 static inline void gen_inval_exception(DisasContext *ctx, uint32_t error) 343 { 344 /* Will be converted to program check if needed */ 345 gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_INVAL | error); 346 } 347 348 static inline void gen_priv_exception(DisasContext *ctx, uint32_t error) 349 { 350 gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_PRIV | error); 351 } 352 353 static inline void gen_hvpriv_exception(DisasContext *ctx, uint32_t error) 354 { 355 /* Will be converted to program check if needed */ 356 gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_PRIV | error); 357 } 358 359 /*****************************************************************************/ 360 /* SPR READ/WRITE CALLBACKS */ 361 362 void spr_noaccess(DisasContext *ctx, int gprn, int sprn) 363 { 364 #if 0 365 sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5); 366 printf("ERROR: try to access SPR %d !\n", sprn); 367 #endif 368 } 369 370 /* #define PPC_DUMP_SPR_ACCESSES */ 371 372 /* 373 * Generic callbacks: 374 * do nothing but store/retrieve spr value 375 */ 376 static void spr_load_dump_spr(int sprn) 377 { 378 #ifdef PPC_DUMP_SPR_ACCESSES 379 TCGv_i32 t0 = tcg_const_i32(sprn); 380 gen_helper_load_dump_spr(cpu_env, t0); 381 tcg_temp_free_i32(t0); 382 #endif 383 } 384 385 void spr_read_generic(DisasContext *ctx, int gprn, int sprn) 386 { 387 gen_load_spr(cpu_gpr[gprn], sprn); 388 spr_load_dump_spr(sprn); 389 } 390 391 static void spr_store_dump_spr(int sprn) 392 { 393 #ifdef PPC_DUMP_SPR_ACCESSES 394 TCGv_i32 t0 = tcg_const_i32(sprn); 395 gen_helper_store_dump_spr(cpu_env, t0); 396 tcg_temp_free_i32(t0); 397 #endif 398 } 399 400 void spr_write_generic(DisasContext *ctx, int sprn, int gprn) 401 { 402 gen_store_spr(sprn, cpu_gpr[gprn]); 403 spr_store_dump_spr(sprn); 404 } 405 406 void spr_write_CTRL(DisasContext *ctx, int sprn, int gprn) 407 { 408 spr_write_generic(ctx, sprn, gprn); 409 410 /* 411 * SPR_CTRL writes must force a new translation block, 412 * allowing the PMU to calculate the run latch events with 413 * more accuracy. 414 */ 415 ctx->base.is_jmp = DISAS_EXIT_UPDATE; 416 } 417 418 #if !defined(CONFIG_USER_ONLY) 419 void spr_write_generic32(DisasContext *ctx, int sprn, int gprn) 420 { 421 #ifdef TARGET_PPC64 422 TCGv t0 = tcg_temp_new(); 423 tcg_gen_ext32u_tl(t0, cpu_gpr[gprn]); 424 gen_store_spr(sprn, t0); 425 tcg_temp_free(t0); 426 spr_store_dump_spr(sprn); 427 #else 428 spr_write_generic(ctx, sprn, gprn); 429 #endif 430 } 431 432 void spr_write_clear(DisasContext *ctx, int sprn, int gprn) 433 { 434 TCGv t0 = tcg_temp_new(); 435 TCGv t1 = tcg_temp_new(); 436 gen_load_spr(t0, sprn); 437 tcg_gen_neg_tl(t1, cpu_gpr[gprn]); 438 tcg_gen_and_tl(t0, t0, t1); 439 gen_store_spr(sprn, t0); 440 tcg_temp_free(t0); 441 tcg_temp_free(t1); 442 } 443 444 void spr_access_nop(DisasContext *ctx, int sprn, int gprn) 445 { 446 } 447 448 #endif 449 450 /* SPR common to all PowerPC */ 451 /* XER */ 452 void spr_read_xer(DisasContext *ctx, int gprn, int sprn) 453 { 454 TCGv dst = cpu_gpr[gprn]; 455 TCGv t0 = tcg_temp_new(); 456 TCGv t1 = tcg_temp_new(); 457 TCGv t2 = tcg_temp_new(); 458 tcg_gen_mov_tl(dst, cpu_xer); 459 tcg_gen_shli_tl(t0, cpu_so, XER_SO); 460 tcg_gen_shli_tl(t1, cpu_ov, XER_OV); 461 tcg_gen_shli_tl(t2, cpu_ca, XER_CA); 462 tcg_gen_or_tl(t0, t0, t1); 463 tcg_gen_or_tl(dst, dst, t2); 464 tcg_gen_or_tl(dst, dst, t0); 465 if (is_isa300(ctx)) { 466 tcg_gen_shli_tl(t0, cpu_ov32, XER_OV32); 467 tcg_gen_or_tl(dst, dst, t0); 468 tcg_gen_shli_tl(t0, cpu_ca32, XER_CA32); 469 tcg_gen_or_tl(dst, dst, t0); 470 } 471 tcg_temp_free(t0); 472 tcg_temp_free(t1); 473 tcg_temp_free(t2); 474 } 475 476 void spr_write_xer(DisasContext *ctx, int sprn, int gprn) 477 { 478 TCGv src = cpu_gpr[gprn]; 479 /* Write all flags, while reading back check for isa300 */ 480 tcg_gen_andi_tl(cpu_xer, src, 481 ~((1u << XER_SO) | 482 (1u << XER_OV) | (1u << XER_OV32) | 483 (1u << XER_CA) | (1u << XER_CA32))); 484 tcg_gen_extract_tl(cpu_ov32, src, XER_OV32, 1); 485 tcg_gen_extract_tl(cpu_ca32, src, XER_CA32, 1); 486 tcg_gen_extract_tl(cpu_so, src, XER_SO, 1); 487 tcg_gen_extract_tl(cpu_ov, src, XER_OV, 1); 488 tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1); 489 } 490 491 /* LR */ 492 void spr_read_lr(DisasContext *ctx, int gprn, int sprn) 493 { 494 tcg_gen_mov_tl(cpu_gpr[gprn], cpu_lr); 495 } 496 497 void spr_write_lr(DisasContext *ctx, int sprn, int gprn) 498 { 499 tcg_gen_mov_tl(cpu_lr, cpu_gpr[gprn]); 500 } 501 502 /* CFAR */ 503 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) 504 void spr_read_cfar(DisasContext *ctx, int gprn, int sprn) 505 { 506 tcg_gen_mov_tl(cpu_gpr[gprn], cpu_cfar); 507 } 508 509 void spr_write_cfar(DisasContext *ctx, int sprn, int gprn) 510 { 511 tcg_gen_mov_tl(cpu_cfar, cpu_gpr[gprn]); 512 } 513 #endif /* defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) */ 514 515 /* CTR */ 516 void spr_read_ctr(DisasContext *ctx, int gprn, int sprn) 517 { 518 tcg_gen_mov_tl(cpu_gpr[gprn], cpu_ctr); 519 } 520 521 void spr_write_ctr(DisasContext *ctx, int sprn, int gprn) 522 { 523 tcg_gen_mov_tl(cpu_ctr, cpu_gpr[gprn]); 524 } 525 526 /* User read access to SPR */ 527 /* USPRx */ 528 /* UMMCRx */ 529 /* UPMCx */ 530 /* USIA */ 531 /* UDECR */ 532 void spr_read_ureg(DisasContext *ctx, int gprn, int sprn) 533 { 534 gen_load_spr(cpu_gpr[gprn], sprn + 0x10); 535 } 536 537 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) 538 void spr_write_ureg(DisasContext *ctx, int sprn, int gprn) 539 { 540 gen_store_spr(sprn + 0x10, cpu_gpr[gprn]); 541 } 542 #endif 543 544 /* SPR common to all non-embedded PowerPC */ 545 /* DECR */ 546 #if !defined(CONFIG_USER_ONLY) 547 void spr_read_decr(DisasContext *ctx, int gprn, int sprn) 548 { 549 gen_icount_io_start(ctx); 550 gen_helper_load_decr(cpu_gpr[gprn], cpu_env); 551 } 552 553 void spr_write_decr(DisasContext *ctx, int sprn, int gprn) 554 { 555 gen_icount_io_start(ctx); 556 gen_helper_store_decr(cpu_env, cpu_gpr[gprn]); 557 } 558 #endif 559 560 /* SPR common to all non-embedded PowerPC, except 601 */ 561 /* Time base */ 562 void spr_read_tbl(DisasContext *ctx, int gprn, int sprn) 563 { 564 gen_icount_io_start(ctx); 565 gen_helper_load_tbl(cpu_gpr[gprn], cpu_env); 566 } 567 568 void spr_read_tbu(DisasContext *ctx, int gprn, int sprn) 569 { 570 gen_icount_io_start(ctx); 571 gen_helper_load_tbu(cpu_gpr[gprn], cpu_env); 572 } 573 574 void spr_read_atbl(DisasContext *ctx, int gprn, int sprn) 575 { 576 gen_helper_load_atbl(cpu_gpr[gprn], cpu_env); 577 } 578 579 void spr_read_atbu(DisasContext *ctx, int gprn, int sprn) 580 { 581 gen_helper_load_atbu(cpu_gpr[gprn], cpu_env); 582 } 583 584 #if !defined(CONFIG_USER_ONLY) 585 void spr_write_tbl(DisasContext *ctx, int sprn, int gprn) 586 { 587 gen_icount_io_start(ctx); 588 gen_helper_store_tbl(cpu_env, cpu_gpr[gprn]); 589 } 590 591 void spr_write_tbu(DisasContext *ctx, int sprn, int gprn) 592 { 593 gen_icount_io_start(ctx); 594 gen_helper_store_tbu(cpu_env, cpu_gpr[gprn]); 595 } 596 597 void spr_write_atbl(DisasContext *ctx, int sprn, int gprn) 598 { 599 gen_helper_store_atbl(cpu_env, cpu_gpr[gprn]); 600 } 601 602 void spr_write_atbu(DisasContext *ctx, int sprn, int gprn) 603 { 604 gen_helper_store_atbu(cpu_env, cpu_gpr[gprn]); 605 } 606 607 #if defined(TARGET_PPC64) 608 void spr_read_purr(DisasContext *ctx, int gprn, int sprn) 609 { 610 gen_icount_io_start(ctx); 611 gen_helper_load_purr(cpu_gpr[gprn], cpu_env); 612 } 613 614 void spr_write_purr(DisasContext *ctx, int sprn, int gprn) 615 { 616 gen_icount_io_start(ctx); 617 gen_helper_store_purr(cpu_env, cpu_gpr[gprn]); 618 } 619 620 /* HDECR */ 621 void spr_read_hdecr(DisasContext *ctx, int gprn, int sprn) 622 { 623 gen_icount_io_start(ctx); 624 gen_helper_load_hdecr(cpu_gpr[gprn], cpu_env); 625 } 626 627 void spr_write_hdecr(DisasContext *ctx, int sprn, int gprn) 628 { 629 gen_icount_io_start(ctx); 630 gen_helper_store_hdecr(cpu_env, cpu_gpr[gprn]); 631 } 632 633 void spr_read_vtb(DisasContext *ctx, int gprn, int sprn) 634 { 635 gen_icount_io_start(ctx); 636 gen_helper_load_vtb(cpu_gpr[gprn], cpu_env); 637 } 638 639 void spr_write_vtb(DisasContext *ctx, int sprn, int gprn) 640 { 641 gen_icount_io_start(ctx); 642 gen_helper_store_vtb(cpu_env, cpu_gpr[gprn]); 643 } 644 645 void spr_write_tbu40(DisasContext *ctx, int sprn, int gprn) 646 { 647 gen_icount_io_start(ctx); 648 gen_helper_store_tbu40(cpu_env, cpu_gpr[gprn]); 649 } 650 651 #endif 652 #endif 653 654 #if !defined(CONFIG_USER_ONLY) 655 /* IBAT0U...IBAT0U */ 656 /* IBAT0L...IBAT7L */ 657 void spr_read_ibat(DisasContext *ctx, int gprn, int sprn) 658 { 659 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, 660 offsetof(CPUPPCState, 661 IBAT[sprn & 1][(sprn - SPR_IBAT0U) / 2])); 662 } 663 664 void spr_read_ibat_h(DisasContext *ctx, int gprn, int sprn) 665 { 666 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, 667 offsetof(CPUPPCState, 668 IBAT[sprn & 1][((sprn - SPR_IBAT4U) / 2) + 4])); 669 } 670 671 void spr_write_ibatu(DisasContext *ctx, int sprn, int gprn) 672 { 673 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0U) / 2); 674 gen_helper_store_ibatu(cpu_env, t0, cpu_gpr[gprn]); 675 tcg_temp_free_i32(t0); 676 } 677 678 void spr_write_ibatu_h(DisasContext *ctx, int sprn, int gprn) 679 { 680 TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_IBAT4U) / 2) + 4); 681 gen_helper_store_ibatu(cpu_env, t0, cpu_gpr[gprn]); 682 tcg_temp_free_i32(t0); 683 } 684 685 void spr_write_ibatl(DisasContext *ctx, int sprn, int gprn) 686 { 687 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0L) / 2); 688 gen_helper_store_ibatl(cpu_env, t0, cpu_gpr[gprn]); 689 tcg_temp_free_i32(t0); 690 } 691 692 void spr_write_ibatl_h(DisasContext *ctx, int sprn, int gprn) 693 { 694 TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_IBAT4L) / 2) + 4); 695 gen_helper_store_ibatl(cpu_env, t0, cpu_gpr[gprn]); 696 tcg_temp_free_i32(t0); 697 } 698 699 /* DBAT0U...DBAT7U */ 700 /* DBAT0L...DBAT7L */ 701 void spr_read_dbat(DisasContext *ctx, int gprn, int sprn) 702 { 703 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, 704 offsetof(CPUPPCState, 705 DBAT[sprn & 1][(sprn - SPR_DBAT0U) / 2])); 706 } 707 708 void spr_read_dbat_h(DisasContext *ctx, int gprn, int sprn) 709 { 710 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, 711 offsetof(CPUPPCState, 712 DBAT[sprn & 1][((sprn - SPR_DBAT4U) / 2) + 4])); 713 } 714 715 void spr_write_dbatu(DisasContext *ctx, int sprn, int gprn) 716 { 717 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_DBAT0U) / 2); 718 gen_helper_store_dbatu(cpu_env, t0, cpu_gpr[gprn]); 719 tcg_temp_free_i32(t0); 720 } 721 722 void spr_write_dbatu_h(DisasContext *ctx, int sprn, int gprn) 723 { 724 TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_DBAT4U) / 2) + 4); 725 gen_helper_store_dbatu(cpu_env, t0, cpu_gpr[gprn]); 726 tcg_temp_free_i32(t0); 727 } 728 729 void spr_write_dbatl(DisasContext *ctx, int sprn, int gprn) 730 { 731 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_DBAT0L) / 2); 732 gen_helper_store_dbatl(cpu_env, t0, cpu_gpr[gprn]); 733 tcg_temp_free_i32(t0); 734 } 735 736 void spr_write_dbatl_h(DisasContext *ctx, int sprn, int gprn) 737 { 738 TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_DBAT4L) / 2) + 4); 739 gen_helper_store_dbatl(cpu_env, t0, cpu_gpr[gprn]); 740 tcg_temp_free_i32(t0); 741 } 742 743 /* SDR1 */ 744 void spr_write_sdr1(DisasContext *ctx, int sprn, int gprn) 745 { 746 gen_helper_store_sdr1(cpu_env, cpu_gpr[gprn]); 747 } 748 749 #if defined(TARGET_PPC64) 750 /* 64 bits PowerPC specific SPRs */ 751 /* PIDR */ 752 void spr_write_pidr(DisasContext *ctx, int sprn, int gprn) 753 { 754 gen_helper_store_pidr(cpu_env, cpu_gpr[gprn]); 755 } 756 757 void spr_write_lpidr(DisasContext *ctx, int sprn, int gprn) 758 { 759 gen_helper_store_lpidr(cpu_env, cpu_gpr[gprn]); 760 } 761 762 void spr_read_hior(DisasContext *ctx, int gprn, int sprn) 763 { 764 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, offsetof(CPUPPCState, excp_prefix)); 765 } 766 767 void spr_write_hior(DisasContext *ctx, int sprn, int gprn) 768 { 769 TCGv t0 = tcg_temp_new(); 770 tcg_gen_andi_tl(t0, cpu_gpr[gprn], 0x3FFFFF00000ULL); 771 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, excp_prefix)); 772 tcg_temp_free(t0); 773 } 774 void spr_write_ptcr(DisasContext *ctx, int sprn, int gprn) 775 { 776 gen_helper_store_ptcr(cpu_env, cpu_gpr[gprn]); 777 } 778 779 void spr_write_pcr(DisasContext *ctx, int sprn, int gprn) 780 { 781 gen_helper_store_pcr(cpu_env, cpu_gpr[gprn]); 782 } 783 784 /* DPDES */ 785 void spr_read_dpdes(DisasContext *ctx, int gprn, int sprn) 786 { 787 gen_helper_load_dpdes(cpu_gpr[gprn], cpu_env); 788 } 789 790 void spr_write_dpdes(DisasContext *ctx, int sprn, int gprn) 791 { 792 gen_helper_store_dpdes(cpu_env, cpu_gpr[gprn]); 793 } 794 #endif 795 #endif 796 797 /* PowerPC 40x specific registers */ 798 #if !defined(CONFIG_USER_ONLY) 799 void spr_read_40x_pit(DisasContext *ctx, int gprn, int sprn) 800 { 801 gen_icount_io_start(ctx); 802 gen_helper_load_40x_pit(cpu_gpr[gprn], cpu_env); 803 } 804 805 void spr_write_40x_pit(DisasContext *ctx, int sprn, int gprn) 806 { 807 gen_icount_io_start(ctx); 808 gen_helper_store_40x_pit(cpu_env, cpu_gpr[gprn]); 809 } 810 811 void spr_write_40x_dbcr0(DisasContext *ctx, int sprn, int gprn) 812 { 813 gen_icount_io_start(ctx); 814 gen_store_spr(sprn, cpu_gpr[gprn]); 815 gen_helper_store_40x_dbcr0(cpu_env, cpu_gpr[gprn]); 816 /* We must stop translation as we may have rebooted */ 817 ctx->base.is_jmp = DISAS_EXIT_UPDATE; 818 } 819 820 void spr_write_40x_sler(DisasContext *ctx, int sprn, int gprn) 821 { 822 gen_icount_io_start(ctx); 823 gen_helper_store_40x_sler(cpu_env, cpu_gpr[gprn]); 824 } 825 826 void spr_write_40x_tcr(DisasContext *ctx, int sprn, int gprn) 827 { 828 gen_icount_io_start(ctx); 829 gen_helper_store_40x_tcr(cpu_env, cpu_gpr[gprn]); 830 } 831 832 void spr_write_40x_tsr(DisasContext *ctx, int sprn, int gprn) 833 { 834 gen_icount_io_start(ctx); 835 gen_helper_store_40x_tsr(cpu_env, cpu_gpr[gprn]); 836 } 837 838 void spr_write_40x_pid(DisasContext *ctx, int sprn, int gprn) 839 { 840 TCGv t0 = tcg_temp_new(); 841 tcg_gen_andi_tl(t0, cpu_gpr[gprn], 0xFF); 842 gen_helper_store_40x_pid(cpu_env, t0); 843 tcg_temp_free(t0); 844 } 845 846 void spr_write_booke_tcr(DisasContext *ctx, int sprn, int gprn) 847 { 848 gen_icount_io_start(ctx); 849 gen_helper_store_booke_tcr(cpu_env, cpu_gpr[gprn]); 850 } 851 852 void spr_write_booke_tsr(DisasContext *ctx, int sprn, int gprn) 853 { 854 gen_icount_io_start(ctx); 855 gen_helper_store_booke_tsr(cpu_env, cpu_gpr[gprn]); 856 } 857 #endif 858 859 /* PIR */ 860 #if !defined(CONFIG_USER_ONLY) 861 void spr_write_pir(DisasContext *ctx, int sprn, int gprn) 862 { 863 TCGv t0 = tcg_temp_new(); 864 tcg_gen_andi_tl(t0, cpu_gpr[gprn], 0xF); 865 gen_store_spr(SPR_PIR, t0); 866 tcg_temp_free(t0); 867 } 868 #endif 869 870 /* SPE specific registers */ 871 void spr_read_spefscr(DisasContext *ctx, int gprn, int sprn) 872 { 873 TCGv_i32 t0 = tcg_temp_new_i32(); 874 tcg_gen_ld_i32(t0, cpu_env, offsetof(CPUPPCState, spe_fscr)); 875 tcg_gen_extu_i32_tl(cpu_gpr[gprn], t0); 876 tcg_temp_free_i32(t0); 877 } 878 879 void spr_write_spefscr(DisasContext *ctx, int sprn, int gprn) 880 { 881 TCGv_i32 t0 = tcg_temp_new_i32(); 882 tcg_gen_trunc_tl_i32(t0, cpu_gpr[gprn]); 883 tcg_gen_st_i32(t0, cpu_env, offsetof(CPUPPCState, spe_fscr)); 884 tcg_temp_free_i32(t0); 885 } 886 887 #if !defined(CONFIG_USER_ONLY) 888 /* Callback used to write the exception vector base */ 889 void spr_write_excp_prefix(DisasContext *ctx, int sprn, int gprn) 890 { 891 TCGv t0 = tcg_temp_new(); 892 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUPPCState, ivpr_mask)); 893 tcg_gen_and_tl(t0, t0, cpu_gpr[gprn]); 894 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, excp_prefix)); 895 gen_store_spr(sprn, t0); 896 tcg_temp_free(t0); 897 } 898 899 void spr_write_excp_vector(DisasContext *ctx, int sprn, int gprn) 900 { 901 int sprn_offs; 902 903 if (sprn >= SPR_BOOKE_IVOR0 && sprn <= SPR_BOOKE_IVOR15) { 904 sprn_offs = sprn - SPR_BOOKE_IVOR0; 905 } else if (sprn >= SPR_BOOKE_IVOR32 && sprn <= SPR_BOOKE_IVOR37) { 906 sprn_offs = sprn - SPR_BOOKE_IVOR32 + 32; 907 } else if (sprn >= SPR_BOOKE_IVOR38 && sprn <= SPR_BOOKE_IVOR42) { 908 sprn_offs = sprn - SPR_BOOKE_IVOR38 + 38; 909 } else { 910 printf("Trying to write an unknown exception vector %d %03x\n", 911 sprn, sprn); 912 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); 913 return; 914 } 915 916 TCGv t0 = tcg_temp_new(); 917 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUPPCState, ivor_mask)); 918 tcg_gen_and_tl(t0, t0, cpu_gpr[gprn]); 919 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, excp_vectors[sprn_offs])); 920 gen_store_spr(sprn, t0); 921 tcg_temp_free(t0); 922 } 923 #endif 924 925 #ifdef TARGET_PPC64 926 #ifndef CONFIG_USER_ONLY 927 void spr_write_amr(DisasContext *ctx, int sprn, int gprn) 928 { 929 TCGv t0 = tcg_temp_new(); 930 TCGv t1 = tcg_temp_new(); 931 TCGv t2 = tcg_temp_new(); 932 933 /* 934 * Note, the HV=1 PR=0 case is handled earlier by simply using 935 * spr_write_generic for HV mode in the SPR table 936 */ 937 938 /* Build insertion mask into t1 based on context */ 939 if (ctx->pr) { 940 gen_load_spr(t1, SPR_UAMOR); 941 } else { 942 gen_load_spr(t1, SPR_AMOR); 943 } 944 945 /* Mask new bits into t2 */ 946 tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]); 947 948 /* Load AMR and clear new bits in t0 */ 949 gen_load_spr(t0, SPR_AMR); 950 tcg_gen_andc_tl(t0, t0, t1); 951 952 /* Or'in new bits and write it out */ 953 tcg_gen_or_tl(t0, t0, t2); 954 gen_store_spr(SPR_AMR, t0); 955 spr_store_dump_spr(SPR_AMR); 956 957 tcg_temp_free(t0); 958 tcg_temp_free(t1); 959 tcg_temp_free(t2); 960 } 961 962 void spr_write_uamor(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 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 gen_load_spr(t1, SPR_AMOR); 975 976 /* Mask new bits into t2 */ 977 tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]); 978 979 /* Load AMR and clear new bits in t0 */ 980 gen_load_spr(t0, SPR_UAMOR); 981 tcg_gen_andc_tl(t0, t0, t1); 982 983 /* Or'in new bits and write it out */ 984 tcg_gen_or_tl(t0, t0, t2); 985 gen_store_spr(SPR_UAMOR, t0); 986 spr_store_dump_spr(SPR_UAMOR); 987 988 tcg_temp_free(t0); 989 tcg_temp_free(t1); 990 tcg_temp_free(t2); 991 } 992 993 void spr_write_iamr(DisasContext *ctx, int sprn, int gprn) 994 { 995 TCGv t0 = tcg_temp_new(); 996 TCGv t1 = tcg_temp_new(); 997 TCGv t2 = tcg_temp_new(); 998 999 /* 1000 * Note, the HV=1 case is handled earlier by simply using 1001 * spr_write_generic for HV mode in the SPR table 1002 */ 1003 1004 /* Build insertion mask into t1 based on context */ 1005 gen_load_spr(t1, SPR_AMOR); 1006 1007 /* Mask new bits into t2 */ 1008 tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]); 1009 1010 /* Load AMR and clear new bits in t0 */ 1011 gen_load_spr(t0, SPR_IAMR); 1012 tcg_gen_andc_tl(t0, t0, t1); 1013 1014 /* Or'in new bits and write it out */ 1015 tcg_gen_or_tl(t0, t0, t2); 1016 gen_store_spr(SPR_IAMR, t0); 1017 spr_store_dump_spr(SPR_IAMR); 1018 1019 tcg_temp_free(t0); 1020 tcg_temp_free(t1); 1021 tcg_temp_free(t2); 1022 } 1023 #endif 1024 #endif 1025 1026 #ifndef CONFIG_USER_ONLY 1027 void spr_read_thrm(DisasContext *ctx, int gprn, int sprn) 1028 { 1029 gen_helper_fixup_thrm(cpu_env); 1030 gen_load_spr(cpu_gpr[gprn], sprn); 1031 spr_load_dump_spr(sprn); 1032 } 1033 #endif /* !CONFIG_USER_ONLY */ 1034 1035 #if !defined(CONFIG_USER_ONLY) 1036 void spr_write_e500_l1csr0(DisasContext *ctx, int sprn, int gprn) 1037 { 1038 TCGv t0 = tcg_temp_new(); 1039 1040 tcg_gen_andi_tl(t0, cpu_gpr[gprn], L1CSR0_DCE | L1CSR0_CPE); 1041 gen_store_spr(sprn, t0); 1042 tcg_temp_free(t0); 1043 } 1044 1045 void spr_write_e500_l1csr1(DisasContext *ctx, int sprn, int gprn) 1046 { 1047 TCGv t0 = tcg_temp_new(); 1048 1049 tcg_gen_andi_tl(t0, cpu_gpr[gprn], L1CSR1_ICE | L1CSR1_CPE); 1050 gen_store_spr(sprn, t0); 1051 tcg_temp_free(t0); 1052 } 1053 1054 void spr_write_e500_l2csr0(DisasContext *ctx, int sprn, int gprn) 1055 { 1056 TCGv t0 = tcg_temp_new(); 1057 1058 tcg_gen_andi_tl(t0, cpu_gpr[gprn], 1059 ~(E500_L2CSR0_L2FI | E500_L2CSR0_L2FL | E500_L2CSR0_L2LFC)); 1060 gen_store_spr(sprn, t0); 1061 tcg_temp_free(t0); 1062 } 1063 1064 void spr_write_booke206_mmucsr0(DisasContext *ctx, int sprn, int gprn) 1065 { 1066 gen_helper_booke206_tlbflush(cpu_env, cpu_gpr[gprn]); 1067 } 1068 1069 void spr_write_booke_pid(DisasContext *ctx, int sprn, int gprn) 1070 { 1071 TCGv_i32 t0 = tcg_const_i32(sprn); 1072 gen_helper_booke_setpid(cpu_env, t0, cpu_gpr[gprn]); 1073 tcg_temp_free_i32(t0); 1074 } 1075 void spr_write_eplc(DisasContext *ctx, int sprn, int gprn) 1076 { 1077 gen_helper_booke_set_eplc(cpu_env, cpu_gpr[gprn]); 1078 } 1079 void spr_write_epsc(DisasContext *ctx, int sprn, int gprn) 1080 { 1081 gen_helper_booke_set_epsc(cpu_env, cpu_gpr[gprn]); 1082 } 1083 1084 #endif 1085 1086 #if !defined(CONFIG_USER_ONLY) 1087 void spr_write_mas73(DisasContext *ctx, int sprn, int gprn) 1088 { 1089 TCGv val = tcg_temp_new(); 1090 tcg_gen_ext32u_tl(val, cpu_gpr[gprn]); 1091 gen_store_spr(SPR_BOOKE_MAS3, val); 1092 tcg_gen_shri_tl(val, cpu_gpr[gprn], 32); 1093 gen_store_spr(SPR_BOOKE_MAS7, val); 1094 tcg_temp_free(val); 1095 } 1096 1097 void spr_read_mas73(DisasContext *ctx, int gprn, int sprn) 1098 { 1099 TCGv mas7 = tcg_temp_new(); 1100 TCGv mas3 = tcg_temp_new(); 1101 gen_load_spr(mas7, SPR_BOOKE_MAS7); 1102 tcg_gen_shli_tl(mas7, mas7, 32); 1103 gen_load_spr(mas3, SPR_BOOKE_MAS3); 1104 tcg_gen_or_tl(cpu_gpr[gprn], mas3, mas7); 1105 tcg_temp_free(mas3); 1106 tcg_temp_free(mas7); 1107 } 1108 1109 #endif 1110 1111 #ifdef TARGET_PPC64 1112 static void gen_fscr_facility_check(DisasContext *ctx, int facility_sprn, 1113 int bit, int sprn, int cause) 1114 { 1115 TCGv_i32 t1 = tcg_const_i32(bit); 1116 TCGv_i32 t2 = tcg_const_i32(sprn); 1117 TCGv_i32 t3 = tcg_const_i32(cause); 1118 1119 gen_helper_fscr_facility_check(cpu_env, t1, t2, t3); 1120 1121 tcg_temp_free_i32(t3); 1122 tcg_temp_free_i32(t2); 1123 tcg_temp_free_i32(t1); 1124 } 1125 1126 static void gen_msr_facility_check(DisasContext *ctx, int facility_sprn, 1127 int bit, int sprn, int cause) 1128 { 1129 TCGv_i32 t1 = tcg_const_i32(bit); 1130 TCGv_i32 t2 = tcg_const_i32(sprn); 1131 TCGv_i32 t3 = tcg_const_i32(cause); 1132 1133 gen_helper_msr_facility_check(cpu_env, t1, t2, t3); 1134 1135 tcg_temp_free_i32(t3); 1136 tcg_temp_free_i32(t2); 1137 tcg_temp_free_i32(t1); 1138 } 1139 1140 void spr_read_prev_upper32(DisasContext *ctx, int gprn, int sprn) 1141 { 1142 TCGv spr_up = tcg_temp_new(); 1143 TCGv spr = tcg_temp_new(); 1144 1145 gen_load_spr(spr, sprn - 1); 1146 tcg_gen_shri_tl(spr_up, spr, 32); 1147 tcg_gen_ext32u_tl(cpu_gpr[gprn], spr_up); 1148 1149 tcg_temp_free(spr); 1150 tcg_temp_free(spr_up); 1151 } 1152 1153 void spr_write_prev_upper32(DisasContext *ctx, int sprn, int gprn) 1154 { 1155 TCGv spr = tcg_temp_new(); 1156 1157 gen_load_spr(spr, sprn - 1); 1158 tcg_gen_deposit_tl(spr, spr, cpu_gpr[gprn], 32, 32); 1159 gen_store_spr(sprn - 1, spr); 1160 1161 tcg_temp_free(spr); 1162 } 1163 1164 #if !defined(CONFIG_USER_ONLY) 1165 void spr_write_hmer(DisasContext *ctx, int sprn, int gprn) 1166 { 1167 TCGv hmer = tcg_temp_new(); 1168 1169 gen_load_spr(hmer, sprn); 1170 tcg_gen_and_tl(hmer, cpu_gpr[gprn], hmer); 1171 gen_store_spr(sprn, hmer); 1172 spr_store_dump_spr(sprn); 1173 tcg_temp_free(hmer); 1174 } 1175 1176 void spr_write_lpcr(DisasContext *ctx, int sprn, int gprn) 1177 { 1178 gen_helper_store_lpcr(cpu_env, cpu_gpr[gprn]); 1179 } 1180 #endif /* !defined(CONFIG_USER_ONLY) */ 1181 1182 void spr_read_tar(DisasContext *ctx, int gprn, int sprn) 1183 { 1184 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_TAR, sprn, FSCR_IC_TAR); 1185 spr_read_generic(ctx, gprn, sprn); 1186 } 1187 1188 void spr_write_tar(DisasContext *ctx, int sprn, int gprn) 1189 { 1190 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_TAR, sprn, FSCR_IC_TAR); 1191 spr_write_generic(ctx, sprn, gprn); 1192 } 1193 1194 void spr_read_tm(DisasContext *ctx, int gprn, int sprn) 1195 { 1196 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM); 1197 spr_read_generic(ctx, gprn, sprn); 1198 } 1199 1200 void spr_write_tm(DisasContext *ctx, int sprn, int gprn) 1201 { 1202 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM); 1203 spr_write_generic(ctx, sprn, gprn); 1204 } 1205 1206 void spr_read_tm_upper32(DisasContext *ctx, int gprn, int sprn) 1207 { 1208 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM); 1209 spr_read_prev_upper32(ctx, gprn, sprn); 1210 } 1211 1212 void spr_write_tm_upper32(DisasContext *ctx, int sprn, int gprn) 1213 { 1214 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM); 1215 spr_write_prev_upper32(ctx, sprn, gprn); 1216 } 1217 1218 void spr_read_ebb(DisasContext *ctx, int gprn, int sprn) 1219 { 1220 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB); 1221 spr_read_generic(ctx, gprn, sprn); 1222 } 1223 1224 void spr_write_ebb(DisasContext *ctx, int sprn, int gprn) 1225 { 1226 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB); 1227 spr_write_generic(ctx, sprn, gprn); 1228 } 1229 1230 void spr_read_ebb_upper32(DisasContext *ctx, int gprn, int sprn) 1231 { 1232 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB); 1233 spr_read_prev_upper32(ctx, gprn, sprn); 1234 } 1235 1236 void spr_write_ebb_upper32(DisasContext *ctx, int sprn, int gprn) 1237 { 1238 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB); 1239 spr_write_prev_upper32(ctx, sprn, gprn); 1240 } 1241 #endif 1242 1243 #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \ 1244 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, PPC_NONE) 1245 1246 #define GEN_HANDLER_E(name, opc1, opc2, opc3, inval, type, type2) \ 1247 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, type2) 1248 1249 #define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type) \ 1250 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, PPC_NONE) 1251 1252 #define GEN_HANDLER2_E(name, onam, opc1, opc2, opc3, inval, type, type2) \ 1253 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, type2) 1254 1255 #define GEN_HANDLER_E_2(name, opc1, opc2, opc3, opc4, inval, type, type2) \ 1256 GEN_OPCODE3(name, opc1, opc2, opc3, opc4, inval, type, type2) 1257 1258 #define GEN_HANDLER2_E_2(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) \ 1259 GEN_OPCODE4(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) 1260 1261 typedef struct opcode_t { 1262 unsigned char opc1, opc2, opc3, opc4; 1263 #if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */ 1264 unsigned char pad[4]; 1265 #endif 1266 opc_handler_t handler; 1267 const char *oname; 1268 } opcode_t; 1269 1270 /* Helpers for priv. check */ 1271 #define GEN_PRIV \ 1272 do { \ 1273 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; \ 1274 } while (0) 1275 1276 #if defined(CONFIG_USER_ONLY) 1277 #define CHK_HV GEN_PRIV 1278 #define CHK_SV GEN_PRIV 1279 #define CHK_HVRM GEN_PRIV 1280 #else 1281 #define CHK_HV \ 1282 do { \ 1283 if (unlikely(ctx->pr || !ctx->hv)) { \ 1284 GEN_PRIV; \ 1285 } \ 1286 } while (0) 1287 #define CHK_SV \ 1288 do { \ 1289 if (unlikely(ctx->pr)) { \ 1290 GEN_PRIV; \ 1291 } \ 1292 } while (0) 1293 #define CHK_HVRM \ 1294 do { \ 1295 if (unlikely(ctx->pr || !ctx->hv || ctx->dr)) { \ 1296 GEN_PRIV; \ 1297 } \ 1298 } while (0) 1299 #endif 1300 1301 #define CHK_NONE 1302 1303 /*****************************************************************************/ 1304 /* PowerPC instructions table */ 1305 1306 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2) \ 1307 { \ 1308 .opc1 = op1, \ 1309 .opc2 = op2, \ 1310 .opc3 = op3, \ 1311 .opc4 = 0xff, \ 1312 .handler = { \ 1313 .inval1 = invl, \ 1314 .type = _typ, \ 1315 .type2 = _typ2, \ 1316 .handler = &gen_##name, \ 1317 }, \ 1318 .oname = stringify(name), \ 1319 } 1320 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2) \ 1321 { \ 1322 .opc1 = op1, \ 1323 .opc2 = op2, \ 1324 .opc3 = op3, \ 1325 .opc4 = 0xff, \ 1326 .handler = { \ 1327 .inval1 = invl1, \ 1328 .inval2 = invl2, \ 1329 .type = _typ, \ 1330 .type2 = _typ2, \ 1331 .handler = &gen_##name, \ 1332 }, \ 1333 .oname = stringify(name), \ 1334 } 1335 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2) \ 1336 { \ 1337 .opc1 = op1, \ 1338 .opc2 = op2, \ 1339 .opc3 = op3, \ 1340 .opc4 = 0xff, \ 1341 .handler = { \ 1342 .inval1 = invl, \ 1343 .type = _typ, \ 1344 .type2 = _typ2, \ 1345 .handler = &gen_##name, \ 1346 }, \ 1347 .oname = onam, \ 1348 } 1349 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2) \ 1350 { \ 1351 .opc1 = op1, \ 1352 .opc2 = op2, \ 1353 .opc3 = op3, \ 1354 .opc4 = op4, \ 1355 .handler = { \ 1356 .inval1 = invl, \ 1357 .type = _typ, \ 1358 .type2 = _typ2, \ 1359 .handler = &gen_##name, \ 1360 }, \ 1361 .oname = stringify(name), \ 1362 } 1363 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2) \ 1364 { \ 1365 .opc1 = op1, \ 1366 .opc2 = op2, \ 1367 .opc3 = op3, \ 1368 .opc4 = op4, \ 1369 .handler = { \ 1370 .inval1 = invl, \ 1371 .type = _typ, \ 1372 .type2 = _typ2, \ 1373 .handler = &gen_##name, \ 1374 }, \ 1375 .oname = onam, \ 1376 } 1377 1378 /* Invalid instruction */ 1379 static void gen_invalid(DisasContext *ctx) 1380 { 1381 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 1382 } 1383 1384 static opc_handler_t invalid_handler = { 1385 .inval1 = 0xFFFFFFFF, 1386 .inval2 = 0xFFFFFFFF, 1387 .type = PPC_NONE, 1388 .type2 = PPC_NONE, 1389 .handler = gen_invalid, 1390 }; 1391 1392 /*** Integer comparison ***/ 1393 1394 static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf) 1395 { 1396 TCGv t0 = tcg_temp_new(); 1397 TCGv t1 = tcg_temp_new(); 1398 TCGv_i32 t = tcg_temp_new_i32(); 1399 1400 tcg_gen_movi_tl(t0, CRF_EQ); 1401 tcg_gen_movi_tl(t1, CRF_LT); 1402 tcg_gen_movcond_tl((s ? TCG_COND_LT : TCG_COND_LTU), 1403 t0, arg0, arg1, t1, t0); 1404 tcg_gen_movi_tl(t1, CRF_GT); 1405 tcg_gen_movcond_tl((s ? TCG_COND_GT : TCG_COND_GTU), 1406 t0, arg0, arg1, t1, t0); 1407 1408 tcg_gen_trunc_tl_i32(t, t0); 1409 tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so); 1410 tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t); 1411 1412 tcg_temp_free(t0); 1413 tcg_temp_free(t1); 1414 tcg_temp_free_i32(t); 1415 } 1416 1417 static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf) 1418 { 1419 TCGv t0 = tcg_const_tl(arg1); 1420 gen_op_cmp(arg0, t0, s, crf); 1421 tcg_temp_free(t0); 1422 } 1423 1424 static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf) 1425 { 1426 TCGv t0, t1; 1427 t0 = tcg_temp_new(); 1428 t1 = tcg_temp_new(); 1429 if (s) { 1430 tcg_gen_ext32s_tl(t0, arg0); 1431 tcg_gen_ext32s_tl(t1, arg1); 1432 } else { 1433 tcg_gen_ext32u_tl(t0, arg0); 1434 tcg_gen_ext32u_tl(t1, arg1); 1435 } 1436 gen_op_cmp(t0, t1, s, crf); 1437 tcg_temp_free(t1); 1438 tcg_temp_free(t0); 1439 } 1440 1441 static inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf) 1442 { 1443 TCGv t0 = tcg_const_tl(arg1); 1444 gen_op_cmp32(arg0, t0, s, crf); 1445 tcg_temp_free(t0); 1446 } 1447 1448 static inline void gen_set_Rc0(DisasContext *ctx, TCGv reg) 1449 { 1450 if (NARROW_MODE(ctx)) { 1451 gen_op_cmpi32(reg, 0, 1, 0); 1452 } else { 1453 gen_op_cmpi(reg, 0, 1, 0); 1454 } 1455 } 1456 1457 /* cmprb - range comparison: isupper, isaplha, islower*/ 1458 static void gen_cmprb(DisasContext *ctx) 1459 { 1460 TCGv_i32 src1 = tcg_temp_new_i32(); 1461 TCGv_i32 src2 = tcg_temp_new_i32(); 1462 TCGv_i32 src2lo = tcg_temp_new_i32(); 1463 TCGv_i32 src2hi = tcg_temp_new_i32(); 1464 TCGv_i32 crf = cpu_crf[crfD(ctx->opcode)]; 1465 1466 tcg_gen_trunc_tl_i32(src1, cpu_gpr[rA(ctx->opcode)]); 1467 tcg_gen_trunc_tl_i32(src2, cpu_gpr[rB(ctx->opcode)]); 1468 1469 tcg_gen_andi_i32(src1, src1, 0xFF); 1470 tcg_gen_ext8u_i32(src2lo, src2); 1471 tcg_gen_shri_i32(src2, src2, 8); 1472 tcg_gen_ext8u_i32(src2hi, src2); 1473 1474 tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1); 1475 tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi); 1476 tcg_gen_and_i32(crf, src2lo, src2hi); 1477 1478 if (ctx->opcode & 0x00200000) { 1479 tcg_gen_shri_i32(src2, src2, 8); 1480 tcg_gen_ext8u_i32(src2lo, src2); 1481 tcg_gen_shri_i32(src2, src2, 8); 1482 tcg_gen_ext8u_i32(src2hi, src2); 1483 tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1); 1484 tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi); 1485 tcg_gen_and_i32(src2lo, src2lo, src2hi); 1486 tcg_gen_or_i32(crf, crf, src2lo); 1487 } 1488 tcg_gen_shli_i32(crf, crf, CRF_GT_BIT); 1489 tcg_temp_free_i32(src1); 1490 tcg_temp_free_i32(src2); 1491 tcg_temp_free_i32(src2lo); 1492 tcg_temp_free_i32(src2hi); 1493 } 1494 1495 #if defined(TARGET_PPC64) 1496 /* cmpeqb */ 1497 static void gen_cmpeqb(DisasContext *ctx) 1498 { 1499 gen_helper_cmpeqb(cpu_crf[crfD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1500 cpu_gpr[rB(ctx->opcode)]); 1501 } 1502 #endif 1503 1504 /* isel (PowerPC 2.03 specification) */ 1505 static void gen_isel(DisasContext *ctx) 1506 { 1507 uint32_t bi = rC(ctx->opcode); 1508 uint32_t mask = 0x08 >> (bi & 0x03); 1509 TCGv t0 = tcg_temp_new(); 1510 TCGv zr; 1511 1512 tcg_gen_extu_i32_tl(t0, cpu_crf[bi >> 2]); 1513 tcg_gen_andi_tl(t0, t0, mask); 1514 1515 zr = tcg_const_tl(0); 1516 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rD(ctx->opcode)], t0, zr, 1517 rA(ctx->opcode) ? cpu_gpr[rA(ctx->opcode)] : zr, 1518 cpu_gpr[rB(ctx->opcode)]); 1519 tcg_temp_free(zr); 1520 tcg_temp_free(t0); 1521 } 1522 1523 /* cmpb: PowerPC 2.05 specification */ 1524 static void gen_cmpb(DisasContext *ctx) 1525 { 1526 gen_helper_cmpb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 1527 cpu_gpr[rB(ctx->opcode)]); 1528 } 1529 1530 /*** Integer arithmetic ***/ 1531 1532 static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0, 1533 TCGv arg1, TCGv arg2, int sub) 1534 { 1535 TCGv t0 = tcg_temp_new(); 1536 1537 tcg_gen_xor_tl(cpu_ov, arg0, arg2); 1538 tcg_gen_xor_tl(t0, arg1, arg2); 1539 if (sub) { 1540 tcg_gen_and_tl(cpu_ov, cpu_ov, t0); 1541 } else { 1542 tcg_gen_andc_tl(cpu_ov, cpu_ov, t0); 1543 } 1544 tcg_temp_free(t0); 1545 if (NARROW_MODE(ctx)) { 1546 tcg_gen_extract_tl(cpu_ov, cpu_ov, 31, 1); 1547 if (is_isa300(ctx)) { 1548 tcg_gen_mov_tl(cpu_ov32, cpu_ov); 1549 } 1550 } else { 1551 if (is_isa300(ctx)) { 1552 tcg_gen_extract_tl(cpu_ov32, cpu_ov, 31, 1); 1553 } 1554 tcg_gen_extract_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1, 1); 1555 } 1556 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 1557 } 1558 1559 static inline void gen_op_arith_compute_ca32(DisasContext *ctx, 1560 TCGv res, TCGv arg0, TCGv arg1, 1561 TCGv ca32, int sub) 1562 { 1563 TCGv t0; 1564 1565 if (!is_isa300(ctx)) { 1566 return; 1567 } 1568 1569 t0 = tcg_temp_new(); 1570 if (sub) { 1571 tcg_gen_eqv_tl(t0, arg0, arg1); 1572 } else { 1573 tcg_gen_xor_tl(t0, arg0, arg1); 1574 } 1575 tcg_gen_xor_tl(t0, t0, res); 1576 tcg_gen_extract_tl(ca32, t0, 32, 1); 1577 tcg_temp_free(t0); 1578 } 1579 1580 /* Common add function */ 1581 static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1, 1582 TCGv arg2, TCGv ca, TCGv ca32, 1583 bool add_ca, bool compute_ca, 1584 bool compute_ov, bool compute_rc0) 1585 { 1586 TCGv t0 = ret; 1587 1588 if (compute_ca || compute_ov) { 1589 t0 = tcg_temp_new(); 1590 } 1591 1592 if (compute_ca) { 1593 if (NARROW_MODE(ctx)) { 1594 /* 1595 * Caution: a non-obvious corner case of the spec is that 1596 * we must produce the *entire* 64-bit addition, but 1597 * produce the carry into bit 32. 1598 */ 1599 TCGv t1 = tcg_temp_new(); 1600 tcg_gen_xor_tl(t1, arg1, arg2); /* add without carry */ 1601 tcg_gen_add_tl(t0, arg1, arg2); 1602 if (add_ca) { 1603 tcg_gen_add_tl(t0, t0, ca); 1604 } 1605 tcg_gen_xor_tl(ca, t0, t1); /* bits changed w/ carry */ 1606 tcg_temp_free(t1); 1607 tcg_gen_extract_tl(ca, ca, 32, 1); 1608 if (is_isa300(ctx)) { 1609 tcg_gen_mov_tl(ca32, ca); 1610 } 1611 } else { 1612 TCGv zero = tcg_const_tl(0); 1613 if (add_ca) { 1614 tcg_gen_add2_tl(t0, ca, arg1, zero, ca, zero); 1615 tcg_gen_add2_tl(t0, ca, t0, ca, arg2, zero); 1616 } else { 1617 tcg_gen_add2_tl(t0, ca, arg1, zero, arg2, zero); 1618 } 1619 gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, ca32, 0); 1620 tcg_temp_free(zero); 1621 } 1622 } else { 1623 tcg_gen_add_tl(t0, arg1, arg2); 1624 if (add_ca) { 1625 tcg_gen_add_tl(t0, t0, ca); 1626 } 1627 } 1628 1629 if (compute_ov) { 1630 gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0); 1631 } 1632 if (unlikely(compute_rc0)) { 1633 gen_set_Rc0(ctx, t0); 1634 } 1635 1636 if (t0 != ret) { 1637 tcg_gen_mov_tl(ret, t0); 1638 tcg_temp_free(t0); 1639 } 1640 } 1641 /* Add functions with two operands */ 1642 #define GEN_INT_ARITH_ADD(name, opc3, ca, add_ca, compute_ca, compute_ov) \ 1643 static void glue(gen_, name)(DisasContext *ctx) \ 1644 { \ 1645 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \ 1646 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 1647 ca, glue(ca, 32), \ 1648 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ 1649 } 1650 /* Add functions with one operand and one immediate */ 1651 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, ca, \ 1652 add_ca, compute_ca, compute_ov) \ 1653 static void glue(gen_, name)(DisasContext *ctx) \ 1654 { \ 1655 TCGv t0 = tcg_const_tl(const_val); \ 1656 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \ 1657 cpu_gpr[rA(ctx->opcode)], t0, \ 1658 ca, glue(ca, 32), \ 1659 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ 1660 tcg_temp_free(t0); \ 1661 } 1662 1663 /* add add. addo addo. */ 1664 GEN_INT_ARITH_ADD(add, 0x08, cpu_ca, 0, 0, 0) 1665 GEN_INT_ARITH_ADD(addo, 0x18, cpu_ca, 0, 0, 1) 1666 /* addc addc. addco addco. */ 1667 GEN_INT_ARITH_ADD(addc, 0x00, cpu_ca, 0, 1, 0) 1668 GEN_INT_ARITH_ADD(addco, 0x10, cpu_ca, 0, 1, 1) 1669 /* adde adde. addeo addeo. */ 1670 GEN_INT_ARITH_ADD(adde, 0x04, cpu_ca, 1, 1, 0) 1671 GEN_INT_ARITH_ADD(addeo, 0x14, cpu_ca, 1, 1, 1) 1672 /* addme addme. addmeo addmeo. */ 1673 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, cpu_ca, 1, 1, 0) 1674 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, cpu_ca, 1, 1, 1) 1675 /* addex */ 1676 GEN_INT_ARITH_ADD(addex, 0x05, cpu_ov, 1, 1, 0); 1677 /* addze addze. addzeo addzeo.*/ 1678 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, cpu_ca, 1, 1, 0) 1679 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, cpu_ca, 1, 1, 1) 1680 /* addic addic.*/ 1681 static inline void gen_op_addic(DisasContext *ctx, bool compute_rc0) 1682 { 1683 TCGv c = tcg_const_tl(SIMM(ctx->opcode)); 1684 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1685 c, cpu_ca, cpu_ca32, 0, 1, 0, compute_rc0); 1686 tcg_temp_free(c); 1687 } 1688 1689 static void gen_addic(DisasContext *ctx) 1690 { 1691 gen_op_addic(ctx, 0); 1692 } 1693 1694 static void gen_addic_(DisasContext *ctx) 1695 { 1696 gen_op_addic(ctx, 1); 1697 } 1698 1699 static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1, 1700 TCGv arg2, int sign, int compute_ov) 1701 { 1702 TCGv_i32 t0 = tcg_temp_new_i32(); 1703 TCGv_i32 t1 = tcg_temp_new_i32(); 1704 TCGv_i32 t2 = tcg_temp_new_i32(); 1705 TCGv_i32 t3 = tcg_temp_new_i32(); 1706 1707 tcg_gen_trunc_tl_i32(t0, arg1); 1708 tcg_gen_trunc_tl_i32(t1, arg2); 1709 if (sign) { 1710 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN); 1711 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1); 1712 tcg_gen_and_i32(t2, t2, t3); 1713 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0); 1714 tcg_gen_or_i32(t2, t2, t3); 1715 tcg_gen_movi_i32(t3, 0); 1716 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1); 1717 tcg_gen_div_i32(t3, t0, t1); 1718 tcg_gen_extu_i32_tl(ret, t3); 1719 } else { 1720 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t1, 0); 1721 tcg_gen_movi_i32(t3, 0); 1722 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1); 1723 tcg_gen_divu_i32(t3, t0, t1); 1724 tcg_gen_extu_i32_tl(ret, t3); 1725 } 1726 if (compute_ov) { 1727 tcg_gen_extu_i32_tl(cpu_ov, t2); 1728 if (is_isa300(ctx)) { 1729 tcg_gen_extu_i32_tl(cpu_ov32, t2); 1730 } 1731 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 1732 } 1733 tcg_temp_free_i32(t0); 1734 tcg_temp_free_i32(t1); 1735 tcg_temp_free_i32(t2); 1736 tcg_temp_free_i32(t3); 1737 1738 if (unlikely(Rc(ctx->opcode) != 0)) { 1739 gen_set_Rc0(ctx, ret); 1740 } 1741 } 1742 /* Div functions */ 1743 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \ 1744 static void glue(gen_, name)(DisasContext *ctx) \ 1745 { \ 1746 gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)], \ 1747 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 1748 sign, compute_ov); \ 1749 } 1750 /* divwu divwu. divwuo divwuo. */ 1751 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0); 1752 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1); 1753 /* divw divw. divwo divwo. */ 1754 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0); 1755 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1); 1756 1757 /* div[wd]eu[o][.] */ 1758 #define GEN_DIVE(name, hlpr, compute_ov) \ 1759 static void gen_##name(DisasContext *ctx) \ 1760 { \ 1761 TCGv_i32 t0 = tcg_const_i32(compute_ov); \ 1762 gen_helper_##hlpr(cpu_gpr[rD(ctx->opcode)], cpu_env, \ 1763 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); \ 1764 tcg_temp_free_i32(t0); \ 1765 if (unlikely(Rc(ctx->opcode) != 0)) { \ 1766 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); \ 1767 } \ 1768 } 1769 1770 GEN_DIVE(divweu, divweu, 0); 1771 GEN_DIVE(divweuo, divweu, 1); 1772 GEN_DIVE(divwe, divwe, 0); 1773 GEN_DIVE(divweo, divwe, 1); 1774 1775 #if defined(TARGET_PPC64) 1776 static inline void gen_op_arith_divd(DisasContext *ctx, TCGv ret, TCGv arg1, 1777 TCGv arg2, int sign, int compute_ov) 1778 { 1779 TCGv_i64 t0 = tcg_temp_new_i64(); 1780 TCGv_i64 t1 = tcg_temp_new_i64(); 1781 TCGv_i64 t2 = tcg_temp_new_i64(); 1782 TCGv_i64 t3 = tcg_temp_new_i64(); 1783 1784 tcg_gen_mov_i64(t0, arg1); 1785 tcg_gen_mov_i64(t1, arg2); 1786 if (sign) { 1787 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN); 1788 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1); 1789 tcg_gen_and_i64(t2, t2, t3); 1790 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0); 1791 tcg_gen_or_i64(t2, t2, t3); 1792 tcg_gen_movi_i64(t3, 0); 1793 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1); 1794 tcg_gen_div_i64(ret, t0, t1); 1795 } else { 1796 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t1, 0); 1797 tcg_gen_movi_i64(t3, 0); 1798 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1); 1799 tcg_gen_divu_i64(ret, t0, t1); 1800 } 1801 if (compute_ov) { 1802 tcg_gen_mov_tl(cpu_ov, t2); 1803 if (is_isa300(ctx)) { 1804 tcg_gen_mov_tl(cpu_ov32, t2); 1805 } 1806 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 1807 } 1808 tcg_temp_free_i64(t0); 1809 tcg_temp_free_i64(t1); 1810 tcg_temp_free_i64(t2); 1811 tcg_temp_free_i64(t3); 1812 1813 if (unlikely(Rc(ctx->opcode) != 0)) { 1814 gen_set_Rc0(ctx, ret); 1815 } 1816 } 1817 1818 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \ 1819 static void glue(gen_, name)(DisasContext *ctx) \ 1820 { \ 1821 gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)], \ 1822 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 1823 sign, compute_ov); \ 1824 } 1825 /* divdu divdu. divduo divduo. */ 1826 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0); 1827 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1); 1828 /* divd divd. divdo divdo. */ 1829 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0); 1830 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1); 1831 1832 GEN_DIVE(divdeu, divdeu, 0); 1833 GEN_DIVE(divdeuo, divdeu, 1); 1834 GEN_DIVE(divde, divde, 0); 1835 GEN_DIVE(divdeo, divde, 1); 1836 #endif 1837 1838 static inline void gen_op_arith_modw(DisasContext *ctx, TCGv ret, TCGv arg1, 1839 TCGv arg2, int sign) 1840 { 1841 TCGv_i32 t0 = tcg_temp_new_i32(); 1842 TCGv_i32 t1 = tcg_temp_new_i32(); 1843 1844 tcg_gen_trunc_tl_i32(t0, arg1); 1845 tcg_gen_trunc_tl_i32(t1, arg2); 1846 if (sign) { 1847 TCGv_i32 t2 = tcg_temp_new_i32(); 1848 TCGv_i32 t3 = tcg_temp_new_i32(); 1849 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN); 1850 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1); 1851 tcg_gen_and_i32(t2, t2, t3); 1852 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0); 1853 tcg_gen_or_i32(t2, t2, t3); 1854 tcg_gen_movi_i32(t3, 0); 1855 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1); 1856 tcg_gen_rem_i32(t3, t0, t1); 1857 tcg_gen_ext_i32_tl(ret, t3); 1858 tcg_temp_free_i32(t2); 1859 tcg_temp_free_i32(t3); 1860 } else { 1861 TCGv_i32 t2 = tcg_const_i32(1); 1862 TCGv_i32 t3 = tcg_const_i32(0); 1863 tcg_gen_movcond_i32(TCG_COND_EQ, t1, t1, t3, t2, t1); 1864 tcg_gen_remu_i32(t3, t0, t1); 1865 tcg_gen_extu_i32_tl(ret, t3); 1866 tcg_temp_free_i32(t2); 1867 tcg_temp_free_i32(t3); 1868 } 1869 tcg_temp_free_i32(t0); 1870 tcg_temp_free_i32(t1); 1871 } 1872 1873 #define GEN_INT_ARITH_MODW(name, opc3, sign) \ 1874 static void glue(gen_, name)(DisasContext *ctx) \ 1875 { \ 1876 gen_op_arith_modw(ctx, cpu_gpr[rD(ctx->opcode)], \ 1877 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 1878 sign); \ 1879 } 1880 1881 GEN_INT_ARITH_MODW(moduw, 0x08, 0); 1882 GEN_INT_ARITH_MODW(modsw, 0x18, 1); 1883 1884 #if defined(TARGET_PPC64) 1885 static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1, 1886 TCGv arg2, int sign) 1887 { 1888 TCGv_i64 t0 = tcg_temp_new_i64(); 1889 TCGv_i64 t1 = tcg_temp_new_i64(); 1890 1891 tcg_gen_mov_i64(t0, arg1); 1892 tcg_gen_mov_i64(t1, arg2); 1893 if (sign) { 1894 TCGv_i64 t2 = tcg_temp_new_i64(); 1895 TCGv_i64 t3 = tcg_temp_new_i64(); 1896 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN); 1897 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1); 1898 tcg_gen_and_i64(t2, t2, t3); 1899 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0); 1900 tcg_gen_or_i64(t2, t2, t3); 1901 tcg_gen_movi_i64(t3, 0); 1902 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1); 1903 tcg_gen_rem_i64(ret, t0, t1); 1904 tcg_temp_free_i64(t2); 1905 tcg_temp_free_i64(t3); 1906 } else { 1907 TCGv_i64 t2 = tcg_const_i64(1); 1908 TCGv_i64 t3 = tcg_const_i64(0); 1909 tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1); 1910 tcg_gen_remu_i64(ret, t0, t1); 1911 tcg_temp_free_i64(t2); 1912 tcg_temp_free_i64(t3); 1913 } 1914 tcg_temp_free_i64(t0); 1915 tcg_temp_free_i64(t1); 1916 } 1917 1918 #define GEN_INT_ARITH_MODD(name, opc3, sign) \ 1919 static void glue(gen_, name)(DisasContext *ctx) \ 1920 { \ 1921 gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)], \ 1922 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 1923 sign); \ 1924 } 1925 1926 GEN_INT_ARITH_MODD(modud, 0x08, 0); 1927 GEN_INT_ARITH_MODD(modsd, 0x18, 1); 1928 #endif 1929 1930 /* mulhw mulhw. */ 1931 static void gen_mulhw(DisasContext *ctx) 1932 { 1933 TCGv_i32 t0 = tcg_temp_new_i32(); 1934 TCGv_i32 t1 = tcg_temp_new_i32(); 1935 1936 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); 1937 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); 1938 tcg_gen_muls2_i32(t0, t1, t0, t1); 1939 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1); 1940 tcg_temp_free_i32(t0); 1941 tcg_temp_free_i32(t1); 1942 if (unlikely(Rc(ctx->opcode) != 0)) { 1943 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 1944 } 1945 } 1946 1947 /* mulhwu mulhwu. */ 1948 static void gen_mulhwu(DisasContext *ctx) 1949 { 1950 TCGv_i32 t0 = tcg_temp_new_i32(); 1951 TCGv_i32 t1 = tcg_temp_new_i32(); 1952 1953 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); 1954 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); 1955 tcg_gen_mulu2_i32(t0, t1, t0, t1); 1956 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1); 1957 tcg_temp_free_i32(t0); 1958 tcg_temp_free_i32(t1); 1959 if (unlikely(Rc(ctx->opcode) != 0)) { 1960 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 1961 } 1962 } 1963 1964 /* mullw mullw. */ 1965 static void gen_mullw(DisasContext *ctx) 1966 { 1967 #if defined(TARGET_PPC64) 1968 TCGv_i64 t0, t1; 1969 t0 = tcg_temp_new_i64(); 1970 t1 = tcg_temp_new_i64(); 1971 tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]); 1972 tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]); 1973 tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); 1974 tcg_temp_free(t0); 1975 tcg_temp_free(t1); 1976 #else 1977 tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1978 cpu_gpr[rB(ctx->opcode)]); 1979 #endif 1980 if (unlikely(Rc(ctx->opcode) != 0)) { 1981 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 1982 } 1983 } 1984 1985 /* mullwo mullwo. */ 1986 static void gen_mullwo(DisasContext *ctx) 1987 { 1988 TCGv_i32 t0 = tcg_temp_new_i32(); 1989 TCGv_i32 t1 = tcg_temp_new_i32(); 1990 1991 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); 1992 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); 1993 tcg_gen_muls2_i32(t0, t1, t0, t1); 1994 #if defined(TARGET_PPC64) 1995 tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); 1996 #else 1997 tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0); 1998 #endif 1999 2000 tcg_gen_sari_i32(t0, t0, 31); 2001 tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1); 2002 tcg_gen_extu_i32_tl(cpu_ov, t0); 2003 if (is_isa300(ctx)) { 2004 tcg_gen_mov_tl(cpu_ov32, cpu_ov); 2005 } 2006 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 2007 2008 tcg_temp_free_i32(t0); 2009 tcg_temp_free_i32(t1); 2010 if (unlikely(Rc(ctx->opcode) != 0)) { 2011 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 2012 } 2013 } 2014 2015 /* mulli */ 2016 static void gen_mulli(DisasContext *ctx) 2017 { 2018 tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 2019 SIMM(ctx->opcode)); 2020 } 2021 2022 #if defined(TARGET_PPC64) 2023 /* mulhd mulhd. */ 2024 static void gen_mulhd(DisasContext *ctx) 2025 { 2026 TCGv lo = tcg_temp_new(); 2027 tcg_gen_muls2_tl(lo, cpu_gpr[rD(ctx->opcode)], 2028 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 2029 tcg_temp_free(lo); 2030 if (unlikely(Rc(ctx->opcode) != 0)) { 2031 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 2032 } 2033 } 2034 2035 /* mulhdu mulhdu. */ 2036 static void gen_mulhdu(DisasContext *ctx) 2037 { 2038 TCGv lo = tcg_temp_new(); 2039 tcg_gen_mulu2_tl(lo, cpu_gpr[rD(ctx->opcode)], 2040 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 2041 tcg_temp_free(lo); 2042 if (unlikely(Rc(ctx->opcode) != 0)) { 2043 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 2044 } 2045 } 2046 2047 /* mulld mulld. */ 2048 static void gen_mulld(DisasContext *ctx) 2049 { 2050 tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 2051 cpu_gpr[rB(ctx->opcode)]); 2052 if (unlikely(Rc(ctx->opcode) != 0)) { 2053 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 2054 } 2055 } 2056 2057 /* mulldo mulldo. */ 2058 static void gen_mulldo(DisasContext *ctx) 2059 { 2060 TCGv_i64 t0 = tcg_temp_new_i64(); 2061 TCGv_i64 t1 = tcg_temp_new_i64(); 2062 2063 tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)], 2064 cpu_gpr[rB(ctx->opcode)]); 2065 tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0); 2066 2067 tcg_gen_sari_i64(t0, t0, 63); 2068 tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1); 2069 if (is_isa300(ctx)) { 2070 tcg_gen_mov_tl(cpu_ov32, cpu_ov); 2071 } 2072 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 2073 2074 tcg_temp_free_i64(t0); 2075 tcg_temp_free_i64(t1); 2076 2077 if (unlikely(Rc(ctx->opcode) != 0)) { 2078 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 2079 } 2080 } 2081 #endif 2082 2083 /* Common subf function */ 2084 static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1, 2085 TCGv arg2, bool add_ca, bool compute_ca, 2086 bool compute_ov, bool compute_rc0) 2087 { 2088 TCGv t0 = ret; 2089 2090 if (compute_ca || compute_ov) { 2091 t0 = tcg_temp_new(); 2092 } 2093 2094 if (compute_ca) { 2095 /* dest = ~arg1 + arg2 [+ ca]. */ 2096 if (NARROW_MODE(ctx)) { 2097 /* 2098 * Caution: a non-obvious corner case of the spec is that 2099 * we must produce the *entire* 64-bit addition, but 2100 * produce the carry into bit 32. 2101 */ 2102 TCGv inv1 = tcg_temp_new(); 2103 TCGv t1 = tcg_temp_new(); 2104 tcg_gen_not_tl(inv1, arg1); 2105 if (add_ca) { 2106 tcg_gen_add_tl(t0, arg2, cpu_ca); 2107 } else { 2108 tcg_gen_addi_tl(t0, arg2, 1); 2109 } 2110 tcg_gen_xor_tl(t1, arg2, inv1); /* add without carry */ 2111 tcg_gen_add_tl(t0, t0, inv1); 2112 tcg_temp_free(inv1); 2113 tcg_gen_xor_tl(cpu_ca, t0, t1); /* bits changes w/ carry */ 2114 tcg_temp_free(t1); 2115 tcg_gen_extract_tl(cpu_ca, cpu_ca, 32, 1); 2116 if (is_isa300(ctx)) { 2117 tcg_gen_mov_tl(cpu_ca32, cpu_ca); 2118 } 2119 } else if (add_ca) { 2120 TCGv zero, inv1 = tcg_temp_new(); 2121 tcg_gen_not_tl(inv1, arg1); 2122 zero = tcg_const_tl(0); 2123 tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero); 2124 tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero); 2125 gen_op_arith_compute_ca32(ctx, t0, inv1, arg2, cpu_ca32, 0); 2126 tcg_temp_free(zero); 2127 tcg_temp_free(inv1); 2128 } else { 2129 tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1); 2130 tcg_gen_sub_tl(t0, arg2, arg1); 2131 gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, cpu_ca32, 1); 2132 } 2133 } else if (add_ca) { 2134 /* 2135 * Since we're ignoring carry-out, we can simplify the 2136 * standard ~arg1 + arg2 + ca to arg2 - arg1 + ca - 1. 2137 */ 2138 tcg_gen_sub_tl(t0, arg2, arg1); 2139 tcg_gen_add_tl(t0, t0, cpu_ca); 2140 tcg_gen_subi_tl(t0, t0, 1); 2141 } else { 2142 tcg_gen_sub_tl(t0, arg2, arg1); 2143 } 2144 2145 if (compute_ov) { 2146 gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1); 2147 } 2148 if (unlikely(compute_rc0)) { 2149 gen_set_Rc0(ctx, t0); 2150 } 2151 2152 if (t0 != ret) { 2153 tcg_gen_mov_tl(ret, t0); 2154 tcg_temp_free(t0); 2155 } 2156 } 2157 /* Sub functions with Two operands functions */ 2158 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \ 2159 static void glue(gen_, name)(DisasContext *ctx) \ 2160 { \ 2161 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \ 2162 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 2163 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ 2164 } 2165 /* Sub functions with one operand and one immediate */ 2166 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \ 2167 add_ca, compute_ca, compute_ov) \ 2168 static void glue(gen_, name)(DisasContext *ctx) \ 2169 { \ 2170 TCGv t0 = tcg_const_tl(const_val); \ 2171 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \ 2172 cpu_gpr[rA(ctx->opcode)], t0, \ 2173 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ 2174 tcg_temp_free(t0); \ 2175 } 2176 /* subf subf. subfo subfo. */ 2177 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0) 2178 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1) 2179 /* subfc subfc. subfco subfco. */ 2180 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0) 2181 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1) 2182 /* subfe subfe. subfeo subfo. */ 2183 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0) 2184 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1) 2185 /* subfme subfme. subfmeo subfmeo. */ 2186 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0) 2187 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1) 2188 /* subfze subfze. subfzeo subfzeo.*/ 2189 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0) 2190 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1) 2191 2192 /* subfic */ 2193 static void gen_subfic(DisasContext *ctx) 2194 { 2195 TCGv c = tcg_const_tl(SIMM(ctx->opcode)); 2196 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 2197 c, 0, 1, 0, 0); 2198 tcg_temp_free(c); 2199 } 2200 2201 /* neg neg. nego nego. */ 2202 static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov) 2203 { 2204 TCGv zero = tcg_const_tl(0); 2205 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 2206 zero, 0, 0, compute_ov, Rc(ctx->opcode)); 2207 tcg_temp_free(zero); 2208 } 2209 2210 static void gen_neg(DisasContext *ctx) 2211 { 2212 tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); 2213 if (unlikely(Rc(ctx->opcode))) { 2214 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 2215 } 2216 } 2217 2218 static void gen_nego(DisasContext *ctx) 2219 { 2220 gen_op_arith_neg(ctx, 1); 2221 } 2222 2223 /*** Integer logical ***/ 2224 #define GEN_LOGICAL2(name, tcg_op, opc, type) \ 2225 static void glue(gen_, name)(DisasContext *ctx) \ 2226 { \ 2227 tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], \ 2228 cpu_gpr[rB(ctx->opcode)]); \ 2229 if (unlikely(Rc(ctx->opcode) != 0)) \ 2230 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \ 2231 } 2232 2233 #define GEN_LOGICAL1(name, tcg_op, opc, type) \ 2234 static void glue(gen_, name)(DisasContext *ctx) \ 2235 { \ 2236 tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); \ 2237 if (unlikely(Rc(ctx->opcode) != 0)) \ 2238 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \ 2239 } 2240 2241 /* and & and. */ 2242 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER); 2243 /* andc & andc. */ 2244 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER); 2245 2246 /* andi. */ 2247 static void gen_andi_(DisasContext *ctx) 2248 { 2249 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 2250 UIMM(ctx->opcode)); 2251 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2252 } 2253 2254 /* andis. */ 2255 static void gen_andis_(DisasContext *ctx) 2256 { 2257 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 2258 UIMM(ctx->opcode) << 16); 2259 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2260 } 2261 2262 /* cntlzw */ 2263 static void gen_cntlzw(DisasContext *ctx) 2264 { 2265 TCGv_i32 t = tcg_temp_new_i32(); 2266 2267 tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]); 2268 tcg_gen_clzi_i32(t, t, 32); 2269 tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t); 2270 tcg_temp_free_i32(t); 2271 2272 if (unlikely(Rc(ctx->opcode) != 0)) { 2273 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2274 } 2275 } 2276 2277 /* cnttzw */ 2278 static void gen_cnttzw(DisasContext *ctx) 2279 { 2280 TCGv_i32 t = tcg_temp_new_i32(); 2281 2282 tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]); 2283 tcg_gen_ctzi_i32(t, t, 32); 2284 tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t); 2285 tcg_temp_free_i32(t); 2286 2287 if (unlikely(Rc(ctx->opcode) != 0)) { 2288 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2289 } 2290 } 2291 2292 /* eqv & eqv. */ 2293 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER); 2294 /* extsb & extsb. */ 2295 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER); 2296 /* extsh & extsh. */ 2297 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER); 2298 /* nand & nand. */ 2299 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER); 2300 /* nor & nor. */ 2301 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER); 2302 2303 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) 2304 static void gen_pause(DisasContext *ctx) 2305 { 2306 TCGv_i32 t0 = tcg_const_i32(0); 2307 tcg_gen_st_i32(t0, cpu_env, 2308 -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted)); 2309 tcg_temp_free_i32(t0); 2310 2311 /* Stop translation, this gives other CPUs a chance to run */ 2312 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 2313 } 2314 #endif /* defined(TARGET_PPC64) */ 2315 2316 /* or & or. */ 2317 static void gen_or(DisasContext *ctx) 2318 { 2319 int rs, ra, rb; 2320 2321 rs = rS(ctx->opcode); 2322 ra = rA(ctx->opcode); 2323 rb = rB(ctx->opcode); 2324 /* Optimisation for mr. ri case */ 2325 if (rs != ra || rs != rb) { 2326 if (rs != rb) { 2327 tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]); 2328 } else { 2329 tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]); 2330 } 2331 if (unlikely(Rc(ctx->opcode) != 0)) { 2332 gen_set_Rc0(ctx, cpu_gpr[ra]); 2333 } 2334 } else if (unlikely(Rc(ctx->opcode) != 0)) { 2335 gen_set_Rc0(ctx, cpu_gpr[rs]); 2336 #if defined(TARGET_PPC64) 2337 } else if (rs != 0) { /* 0 is nop */ 2338 int prio = 0; 2339 2340 switch (rs) { 2341 case 1: 2342 /* Set process priority to low */ 2343 prio = 2; 2344 break; 2345 case 6: 2346 /* Set process priority to medium-low */ 2347 prio = 3; 2348 break; 2349 case 2: 2350 /* Set process priority to normal */ 2351 prio = 4; 2352 break; 2353 #if !defined(CONFIG_USER_ONLY) 2354 case 31: 2355 if (!ctx->pr) { 2356 /* Set process priority to very low */ 2357 prio = 1; 2358 } 2359 break; 2360 case 5: 2361 if (!ctx->pr) { 2362 /* Set process priority to medium-hight */ 2363 prio = 5; 2364 } 2365 break; 2366 case 3: 2367 if (!ctx->pr) { 2368 /* Set process priority to high */ 2369 prio = 6; 2370 } 2371 break; 2372 case 7: 2373 if (ctx->hv && !ctx->pr) { 2374 /* Set process priority to very high */ 2375 prio = 7; 2376 } 2377 break; 2378 #endif 2379 default: 2380 break; 2381 } 2382 if (prio) { 2383 TCGv t0 = tcg_temp_new(); 2384 gen_load_spr(t0, SPR_PPR); 2385 tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL); 2386 tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50); 2387 gen_store_spr(SPR_PPR, t0); 2388 tcg_temp_free(t0); 2389 } 2390 #if !defined(CONFIG_USER_ONLY) 2391 /* 2392 * Pause out of TCG otherwise spin loops with smt_low eat too 2393 * much CPU and the kernel hangs. This applies to all 2394 * encodings other than no-op, e.g., miso(rs=26), yield(27), 2395 * mdoio(29), mdoom(30), and all currently undefined. 2396 */ 2397 gen_pause(ctx); 2398 #endif 2399 #endif 2400 } 2401 } 2402 /* orc & orc. */ 2403 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER); 2404 2405 /* xor & xor. */ 2406 static void gen_xor(DisasContext *ctx) 2407 { 2408 /* Optimisation for "set to zero" case */ 2409 if (rS(ctx->opcode) != rB(ctx->opcode)) { 2410 tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 2411 cpu_gpr[rB(ctx->opcode)]); 2412 } else { 2413 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); 2414 } 2415 if (unlikely(Rc(ctx->opcode) != 0)) { 2416 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2417 } 2418 } 2419 2420 /* ori */ 2421 static void gen_ori(DisasContext *ctx) 2422 { 2423 target_ulong uimm = UIMM(ctx->opcode); 2424 2425 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { 2426 return; 2427 } 2428 tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm); 2429 } 2430 2431 /* oris */ 2432 static void gen_oris(DisasContext *ctx) 2433 { 2434 target_ulong uimm = UIMM(ctx->opcode); 2435 2436 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { 2437 /* NOP */ 2438 return; 2439 } 2440 tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 2441 uimm << 16); 2442 } 2443 2444 /* xori */ 2445 static void gen_xori(DisasContext *ctx) 2446 { 2447 target_ulong uimm = UIMM(ctx->opcode); 2448 2449 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { 2450 /* NOP */ 2451 return; 2452 } 2453 tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm); 2454 } 2455 2456 /* xoris */ 2457 static void gen_xoris(DisasContext *ctx) 2458 { 2459 target_ulong uimm = UIMM(ctx->opcode); 2460 2461 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { 2462 /* NOP */ 2463 return; 2464 } 2465 tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 2466 uimm << 16); 2467 } 2468 2469 /* popcntb : PowerPC 2.03 specification */ 2470 static void gen_popcntb(DisasContext *ctx) 2471 { 2472 gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); 2473 } 2474 2475 static void gen_popcntw(DisasContext *ctx) 2476 { 2477 #if defined(TARGET_PPC64) 2478 gen_helper_popcntw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); 2479 #else 2480 tcg_gen_ctpop_i32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); 2481 #endif 2482 } 2483 2484 #if defined(TARGET_PPC64) 2485 /* popcntd: PowerPC 2.06 specification */ 2486 static void gen_popcntd(DisasContext *ctx) 2487 { 2488 tcg_gen_ctpop_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); 2489 } 2490 #endif 2491 2492 /* prtyw: PowerPC 2.05 specification */ 2493 static void gen_prtyw(DisasContext *ctx) 2494 { 2495 TCGv ra = cpu_gpr[rA(ctx->opcode)]; 2496 TCGv rs = cpu_gpr[rS(ctx->opcode)]; 2497 TCGv t0 = tcg_temp_new(); 2498 tcg_gen_shri_tl(t0, rs, 16); 2499 tcg_gen_xor_tl(ra, rs, t0); 2500 tcg_gen_shri_tl(t0, ra, 8); 2501 tcg_gen_xor_tl(ra, ra, t0); 2502 tcg_gen_andi_tl(ra, ra, (target_ulong)0x100000001ULL); 2503 tcg_temp_free(t0); 2504 } 2505 2506 #if defined(TARGET_PPC64) 2507 /* prtyd: PowerPC 2.05 specification */ 2508 static void gen_prtyd(DisasContext *ctx) 2509 { 2510 TCGv ra = cpu_gpr[rA(ctx->opcode)]; 2511 TCGv rs = cpu_gpr[rS(ctx->opcode)]; 2512 TCGv t0 = tcg_temp_new(); 2513 tcg_gen_shri_tl(t0, rs, 32); 2514 tcg_gen_xor_tl(ra, rs, t0); 2515 tcg_gen_shri_tl(t0, ra, 16); 2516 tcg_gen_xor_tl(ra, ra, t0); 2517 tcg_gen_shri_tl(t0, ra, 8); 2518 tcg_gen_xor_tl(ra, ra, t0); 2519 tcg_gen_andi_tl(ra, ra, 1); 2520 tcg_temp_free(t0); 2521 } 2522 #endif 2523 2524 #if defined(TARGET_PPC64) 2525 /* bpermd */ 2526 static void gen_bpermd(DisasContext *ctx) 2527 { 2528 gen_helper_bpermd(cpu_gpr[rA(ctx->opcode)], 2529 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 2530 } 2531 #endif 2532 2533 #if defined(TARGET_PPC64) 2534 /* extsw & extsw. */ 2535 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B); 2536 2537 /* cntlzd */ 2538 static void gen_cntlzd(DisasContext *ctx) 2539 { 2540 tcg_gen_clzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64); 2541 if (unlikely(Rc(ctx->opcode) != 0)) { 2542 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2543 } 2544 } 2545 2546 /* cnttzd */ 2547 static void gen_cnttzd(DisasContext *ctx) 2548 { 2549 tcg_gen_ctzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64); 2550 if (unlikely(Rc(ctx->opcode) != 0)) { 2551 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2552 } 2553 } 2554 2555 /* darn */ 2556 static void gen_darn(DisasContext *ctx) 2557 { 2558 int l = L(ctx->opcode); 2559 2560 if (l > 2) { 2561 tcg_gen_movi_i64(cpu_gpr[rD(ctx->opcode)], -1); 2562 } else { 2563 gen_icount_io_start(ctx); 2564 if (l == 0) { 2565 gen_helper_darn32(cpu_gpr[rD(ctx->opcode)]); 2566 } else { 2567 /* Return 64-bit random for both CRN and RRN */ 2568 gen_helper_darn64(cpu_gpr[rD(ctx->opcode)]); 2569 } 2570 } 2571 } 2572 #endif 2573 2574 /*** Integer rotate ***/ 2575 2576 /* rlwimi & rlwimi. */ 2577 static void gen_rlwimi(DisasContext *ctx) 2578 { 2579 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 2580 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 2581 uint32_t sh = SH(ctx->opcode); 2582 uint32_t mb = MB(ctx->opcode); 2583 uint32_t me = ME(ctx->opcode); 2584 2585 if (sh == (31 - me) && mb <= me) { 2586 tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1); 2587 } else { 2588 target_ulong mask; 2589 bool mask_in_32b = true; 2590 TCGv t1; 2591 2592 #if defined(TARGET_PPC64) 2593 mb += 32; 2594 me += 32; 2595 #endif 2596 mask = MASK(mb, me); 2597 2598 #if defined(TARGET_PPC64) 2599 if (mask > 0xffffffffu) { 2600 mask_in_32b = false; 2601 } 2602 #endif 2603 t1 = tcg_temp_new(); 2604 if (mask_in_32b) { 2605 TCGv_i32 t0 = tcg_temp_new_i32(); 2606 tcg_gen_trunc_tl_i32(t0, t_rs); 2607 tcg_gen_rotli_i32(t0, t0, sh); 2608 tcg_gen_extu_i32_tl(t1, t0); 2609 tcg_temp_free_i32(t0); 2610 } else { 2611 #if defined(TARGET_PPC64) 2612 tcg_gen_deposit_i64(t1, t_rs, t_rs, 32, 32); 2613 tcg_gen_rotli_i64(t1, t1, sh); 2614 #else 2615 g_assert_not_reached(); 2616 #endif 2617 } 2618 2619 tcg_gen_andi_tl(t1, t1, mask); 2620 tcg_gen_andi_tl(t_ra, t_ra, ~mask); 2621 tcg_gen_or_tl(t_ra, t_ra, t1); 2622 tcg_temp_free(t1); 2623 } 2624 if (unlikely(Rc(ctx->opcode) != 0)) { 2625 gen_set_Rc0(ctx, t_ra); 2626 } 2627 } 2628 2629 /* rlwinm & rlwinm. */ 2630 static void gen_rlwinm(DisasContext *ctx) 2631 { 2632 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 2633 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 2634 int sh = SH(ctx->opcode); 2635 int mb = MB(ctx->opcode); 2636 int me = ME(ctx->opcode); 2637 int len = me - mb + 1; 2638 int rsh = (32 - sh) & 31; 2639 2640 if (sh != 0 && len > 0 && me == (31 - sh)) { 2641 tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len); 2642 } else if (me == 31 && rsh + len <= 32) { 2643 tcg_gen_extract_tl(t_ra, t_rs, rsh, len); 2644 } else { 2645 target_ulong mask; 2646 bool mask_in_32b = true; 2647 #if defined(TARGET_PPC64) 2648 mb += 32; 2649 me += 32; 2650 #endif 2651 mask = MASK(mb, me); 2652 #if defined(TARGET_PPC64) 2653 if (mask > 0xffffffffu) { 2654 mask_in_32b = false; 2655 } 2656 #endif 2657 if (mask_in_32b) { 2658 if (sh == 0) { 2659 tcg_gen_andi_tl(t_ra, t_rs, mask); 2660 } else { 2661 TCGv_i32 t0 = tcg_temp_new_i32(); 2662 tcg_gen_trunc_tl_i32(t0, t_rs); 2663 tcg_gen_rotli_i32(t0, t0, sh); 2664 tcg_gen_andi_i32(t0, t0, mask); 2665 tcg_gen_extu_i32_tl(t_ra, t0); 2666 tcg_temp_free_i32(t0); 2667 } 2668 } else { 2669 #if defined(TARGET_PPC64) 2670 tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32); 2671 tcg_gen_rotli_i64(t_ra, t_ra, sh); 2672 tcg_gen_andi_i64(t_ra, t_ra, mask); 2673 #else 2674 g_assert_not_reached(); 2675 #endif 2676 } 2677 } 2678 if (unlikely(Rc(ctx->opcode) != 0)) { 2679 gen_set_Rc0(ctx, t_ra); 2680 } 2681 } 2682 2683 /* rlwnm & rlwnm. */ 2684 static void gen_rlwnm(DisasContext *ctx) 2685 { 2686 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 2687 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 2688 TCGv t_rb = cpu_gpr[rB(ctx->opcode)]; 2689 uint32_t mb = MB(ctx->opcode); 2690 uint32_t me = ME(ctx->opcode); 2691 target_ulong mask; 2692 bool mask_in_32b = true; 2693 2694 #if defined(TARGET_PPC64) 2695 mb += 32; 2696 me += 32; 2697 #endif 2698 mask = MASK(mb, me); 2699 2700 #if defined(TARGET_PPC64) 2701 if (mask > 0xffffffffu) { 2702 mask_in_32b = false; 2703 } 2704 #endif 2705 if (mask_in_32b) { 2706 TCGv_i32 t0 = tcg_temp_new_i32(); 2707 TCGv_i32 t1 = tcg_temp_new_i32(); 2708 tcg_gen_trunc_tl_i32(t0, t_rb); 2709 tcg_gen_trunc_tl_i32(t1, t_rs); 2710 tcg_gen_andi_i32(t0, t0, 0x1f); 2711 tcg_gen_rotl_i32(t1, t1, t0); 2712 tcg_gen_extu_i32_tl(t_ra, t1); 2713 tcg_temp_free_i32(t0); 2714 tcg_temp_free_i32(t1); 2715 } else { 2716 #if defined(TARGET_PPC64) 2717 TCGv_i64 t0 = tcg_temp_new_i64(); 2718 tcg_gen_andi_i64(t0, t_rb, 0x1f); 2719 tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32); 2720 tcg_gen_rotl_i64(t_ra, t_ra, t0); 2721 tcg_temp_free_i64(t0); 2722 #else 2723 g_assert_not_reached(); 2724 #endif 2725 } 2726 2727 tcg_gen_andi_tl(t_ra, t_ra, mask); 2728 2729 if (unlikely(Rc(ctx->opcode) != 0)) { 2730 gen_set_Rc0(ctx, t_ra); 2731 } 2732 } 2733 2734 #if defined(TARGET_PPC64) 2735 #define GEN_PPC64_R2(name, opc1, opc2) \ 2736 static void glue(gen_, name##0)(DisasContext *ctx) \ 2737 { \ 2738 gen_##name(ctx, 0); \ 2739 } \ 2740 \ 2741 static void glue(gen_, name##1)(DisasContext *ctx) \ 2742 { \ 2743 gen_##name(ctx, 1); \ 2744 } 2745 #define GEN_PPC64_R4(name, opc1, opc2) \ 2746 static void glue(gen_, name##0)(DisasContext *ctx) \ 2747 { \ 2748 gen_##name(ctx, 0, 0); \ 2749 } \ 2750 \ 2751 static void glue(gen_, name##1)(DisasContext *ctx) \ 2752 { \ 2753 gen_##name(ctx, 0, 1); \ 2754 } \ 2755 \ 2756 static void glue(gen_, name##2)(DisasContext *ctx) \ 2757 { \ 2758 gen_##name(ctx, 1, 0); \ 2759 } \ 2760 \ 2761 static void glue(gen_, name##3)(DisasContext *ctx) \ 2762 { \ 2763 gen_##name(ctx, 1, 1); \ 2764 } 2765 2766 static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh) 2767 { 2768 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 2769 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 2770 int len = me - mb + 1; 2771 int rsh = (64 - sh) & 63; 2772 2773 if (sh != 0 && len > 0 && me == (63 - sh)) { 2774 tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len); 2775 } else if (me == 63 && rsh + len <= 64) { 2776 tcg_gen_extract_tl(t_ra, t_rs, rsh, len); 2777 } else { 2778 tcg_gen_rotli_tl(t_ra, t_rs, sh); 2779 tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me)); 2780 } 2781 if (unlikely(Rc(ctx->opcode) != 0)) { 2782 gen_set_Rc0(ctx, t_ra); 2783 } 2784 } 2785 2786 /* rldicl - rldicl. */ 2787 static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn) 2788 { 2789 uint32_t sh, mb; 2790 2791 sh = SH(ctx->opcode) | (shn << 5); 2792 mb = MB(ctx->opcode) | (mbn << 5); 2793 gen_rldinm(ctx, mb, 63, sh); 2794 } 2795 GEN_PPC64_R4(rldicl, 0x1E, 0x00); 2796 2797 /* rldicr - rldicr. */ 2798 static inline void gen_rldicr(DisasContext *ctx, int men, int shn) 2799 { 2800 uint32_t sh, me; 2801 2802 sh = SH(ctx->opcode) | (shn << 5); 2803 me = MB(ctx->opcode) | (men << 5); 2804 gen_rldinm(ctx, 0, me, sh); 2805 } 2806 GEN_PPC64_R4(rldicr, 0x1E, 0x02); 2807 2808 /* rldic - rldic. */ 2809 static inline void gen_rldic(DisasContext *ctx, int mbn, int shn) 2810 { 2811 uint32_t sh, mb; 2812 2813 sh = SH(ctx->opcode) | (shn << 5); 2814 mb = MB(ctx->opcode) | (mbn << 5); 2815 gen_rldinm(ctx, mb, 63 - sh, sh); 2816 } 2817 GEN_PPC64_R4(rldic, 0x1E, 0x04); 2818 2819 static void gen_rldnm(DisasContext *ctx, int mb, int me) 2820 { 2821 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 2822 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 2823 TCGv t_rb = cpu_gpr[rB(ctx->opcode)]; 2824 TCGv t0; 2825 2826 t0 = tcg_temp_new(); 2827 tcg_gen_andi_tl(t0, t_rb, 0x3f); 2828 tcg_gen_rotl_tl(t_ra, t_rs, t0); 2829 tcg_temp_free(t0); 2830 2831 tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me)); 2832 if (unlikely(Rc(ctx->opcode) != 0)) { 2833 gen_set_Rc0(ctx, t_ra); 2834 } 2835 } 2836 2837 /* rldcl - rldcl. */ 2838 static inline void gen_rldcl(DisasContext *ctx, int mbn) 2839 { 2840 uint32_t mb; 2841 2842 mb = MB(ctx->opcode) | (mbn << 5); 2843 gen_rldnm(ctx, mb, 63); 2844 } 2845 GEN_PPC64_R2(rldcl, 0x1E, 0x08); 2846 2847 /* rldcr - rldcr. */ 2848 static inline void gen_rldcr(DisasContext *ctx, int men) 2849 { 2850 uint32_t me; 2851 2852 me = MB(ctx->opcode) | (men << 5); 2853 gen_rldnm(ctx, 0, me); 2854 } 2855 GEN_PPC64_R2(rldcr, 0x1E, 0x09); 2856 2857 /* rldimi - rldimi. */ 2858 static void gen_rldimi(DisasContext *ctx, int mbn, int shn) 2859 { 2860 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 2861 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 2862 uint32_t sh = SH(ctx->opcode) | (shn << 5); 2863 uint32_t mb = MB(ctx->opcode) | (mbn << 5); 2864 uint32_t me = 63 - sh; 2865 2866 if (mb <= me) { 2867 tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1); 2868 } else { 2869 target_ulong mask = MASK(mb, me); 2870 TCGv t1 = tcg_temp_new(); 2871 2872 tcg_gen_rotli_tl(t1, t_rs, sh); 2873 tcg_gen_andi_tl(t1, t1, mask); 2874 tcg_gen_andi_tl(t_ra, t_ra, ~mask); 2875 tcg_gen_or_tl(t_ra, t_ra, t1); 2876 tcg_temp_free(t1); 2877 } 2878 if (unlikely(Rc(ctx->opcode) != 0)) { 2879 gen_set_Rc0(ctx, t_ra); 2880 } 2881 } 2882 GEN_PPC64_R4(rldimi, 0x1E, 0x06); 2883 #endif 2884 2885 /*** Integer shift ***/ 2886 2887 /* slw & slw. */ 2888 static void gen_slw(DisasContext *ctx) 2889 { 2890 TCGv t0, t1; 2891 2892 t0 = tcg_temp_new(); 2893 /* AND rS with a mask that is 0 when rB >= 0x20 */ 2894 #if defined(TARGET_PPC64) 2895 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a); 2896 tcg_gen_sari_tl(t0, t0, 0x3f); 2897 #else 2898 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a); 2899 tcg_gen_sari_tl(t0, t0, 0x1f); 2900 #endif 2901 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 2902 t1 = tcg_temp_new(); 2903 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f); 2904 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 2905 tcg_temp_free(t1); 2906 tcg_temp_free(t0); 2907 tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); 2908 if (unlikely(Rc(ctx->opcode) != 0)) { 2909 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2910 } 2911 } 2912 2913 /* sraw & sraw. */ 2914 static void gen_sraw(DisasContext *ctx) 2915 { 2916 gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], cpu_env, 2917 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 2918 if (unlikely(Rc(ctx->opcode) != 0)) { 2919 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2920 } 2921 } 2922 2923 /* srawi & srawi. */ 2924 static void gen_srawi(DisasContext *ctx) 2925 { 2926 int sh = SH(ctx->opcode); 2927 TCGv dst = cpu_gpr[rA(ctx->opcode)]; 2928 TCGv src = cpu_gpr[rS(ctx->opcode)]; 2929 if (sh == 0) { 2930 tcg_gen_ext32s_tl(dst, src); 2931 tcg_gen_movi_tl(cpu_ca, 0); 2932 if (is_isa300(ctx)) { 2933 tcg_gen_movi_tl(cpu_ca32, 0); 2934 } 2935 } else { 2936 TCGv t0; 2937 tcg_gen_ext32s_tl(dst, src); 2938 tcg_gen_andi_tl(cpu_ca, dst, (1ULL << sh) - 1); 2939 t0 = tcg_temp_new(); 2940 tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1); 2941 tcg_gen_and_tl(cpu_ca, cpu_ca, t0); 2942 tcg_temp_free(t0); 2943 tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0); 2944 if (is_isa300(ctx)) { 2945 tcg_gen_mov_tl(cpu_ca32, cpu_ca); 2946 } 2947 tcg_gen_sari_tl(dst, dst, sh); 2948 } 2949 if (unlikely(Rc(ctx->opcode) != 0)) { 2950 gen_set_Rc0(ctx, dst); 2951 } 2952 } 2953 2954 /* srw & srw. */ 2955 static void gen_srw(DisasContext *ctx) 2956 { 2957 TCGv t0, t1; 2958 2959 t0 = tcg_temp_new(); 2960 /* AND rS with a mask that is 0 when rB >= 0x20 */ 2961 #if defined(TARGET_PPC64) 2962 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a); 2963 tcg_gen_sari_tl(t0, t0, 0x3f); 2964 #else 2965 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a); 2966 tcg_gen_sari_tl(t0, t0, 0x1f); 2967 #endif 2968 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 2969 tcg_gen_ext32u_tl(t0, t0); 2970 t1 = tcg_temp_new(); 2971 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f); 2972 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 2973 tcg_temp_free(t1); 2974 tcg_temp_free(t0); 2975 if (unlikely(Rc(ctx->opcode) != 0)) { 2976 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2977 } 2978 } 2979 2980 #if defined(TARGET_PPC64) 2981 /* sld & sld. */ 2982 static void gen_sld(DisasContext *ctx) 2983 { 2984 TCGv t0, t1; 2985 2986 t0 = tcg_temp_new(); 2987 /* AND rS with a mask that is 0 when rB >= 0x40 */ 2988 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39); 2989 tcg_gen_sari_tl(t0, t0, 0x3f); 2990 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 2991 t1 = tcg_temp_new(); 2992 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f); 2993 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 2994 tcg_temp_free(t1); 2995 tcg_temp_free(t0); 2996 if (unlikely(Rc(ctx->opcode) != 0)) { 2997 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2998 } 2999 } 3000 3001 /* srad & srad. */ 3002 static void gen_srad(DisasContext *ctx) 3003 { 3004 gen_helper_srad(cpu_gpr[rA(ctx->opcode)], cpu_env, 3005 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 3006 if (unlikely(Rc(ctx->opcode) != 0)) { 3007 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 3008 } 3009 } 3010 /* sradi & sradi. */ 3011 static inline void gen_sradi(DisasContext *ctx, int n) 3012 { 3013 int sh = SH(ctx->opcode) + (n << 5); 3014 TCGv dst = cpu_gpr[rA(ctx->opcode)]; 3015 TCGv src = cpu_gpr[rS(ctx->opcode)]; 3016 if (sh == 0) { 3017 tcg_gen_mov_tl(dst, src); 3018 tcg_gen_movi_tl(cpu_ca, 0); 3019 if (is_isa300(ctx)) { 3020 tcg_gen_movi_tl(cpu_ca32, 0); 3021 } 3022 } else { 3023 TCGv t0; 3024 tcg_gen_andi_tl(cpu_ca, src, (1ULL << sh) - 1); 3025 t0 = tcg_temp_new(); 3026 tcg_gen_sari_tl(t0, src, TARGET_LONG_BITS - 1); 3027 tcg_gen_and_tl(cpu_ca, cpu_ca, t0); 3028 tcg_temp_free(t0); 3029 tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0); 3030 if (is_isa300(ctx)) { 3031 tcg_gen_mov_tl(cpu_ca32, cpu_ca); 3032 } 3033 tcg_gen_sari_tl(dst, src, sh); 3034 } 3035 if (unlikely(Rc(ctx->opcode) != 0)) { 3036 gen_set_Rc0(ctx, dst); 3037 } 3038 } 3039 3040 static void gen_sradi0(DisasContext *ctx) 3041 { 3042 gen_sradi(ctx, 0); 3043 } 3044 3045 static void gen_sradi1(DisasContext *ctx) 3046 { 3047 gen_sradi(ctx, 1); 3048 } 3049 3050 /* extswsli & extswsli. */ 3051 static inline void gen_extswsli(DisasContext *ctx, int n) 3052 { 3053 int sh = SH(ctx->opcode) + (n << 5); 3054 TCGv dst = cpu_gpr[rA(ctx->opcode)]; 3055 TCGv src = cpu_gpr[rS(ctx->opcode)]; 3056 3057 tcg_gen_ext32s_tl(dst, src); 3058 tcg_gen_shli_tl(dst, dst, sh); 3059 if (unlikely(Rc(ctx->opcode) != 0)) { 3060 gen_set_Rc0(ctx, dst); 3061 } 3062 } 3063 3064 static void gen_extswsli0(DisasContext *ctx) 3065 { 3066 gen_extswsli(ctx, 0); 3067 } 3068 3069 static void gen_extswsli1(DisasContext *ctx) 3070 { 3071 gen_extswsli(ctx, 1); 3072 } 3073 3074 /* srd & srd. */ 3075 static void gen_srd(DisasContext *ctx) 3076 { 3077 TCGv t0, t1; 3078 3079 t0 = tcg_temp_new(); 3080 /* AND rS with a mask that is 0 when rB >= 0x40 */ 3081 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39); 3082 tcg_gen_sari_tl(t0, t0, 0x3f); 3083 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 3084 t1 = tcg_temp_new(); 3085 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f); 3086 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 3087 tcg_temp_free(t1); 3088 tcg_temp_free(t0); 3089 if (unlikely(Rc(ctx->opcode) != 0)) { 3090 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 3091 } 3092 } 3093 #endif 3094 3095 /*** Addressing modes ***/ 3096 /* Register indirect with immediate index : EA = (rA|0) + SIMM */ 3097 static inline void gen_addr_imm_index(DisasContext *ctx, TCGv EA, 3098 target_long maskl) 3099 { 3100 target_long simm = SIMM(ctx->opcode); 3101 3102 simm &= ~maskl; 3103 if (rA(ctx->opcode) == 0) { 3104 if (NARROW_MODE(ctx)) { 3105 simm = (uint32_t)simm; 3106 } 3107 tcg_gen_movi_tl(EA, simm); 3108 } else if (likely(simm != 0)) { 3109 tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm); 3110 if (NARROW_MODE(ctx)) { 3111 tcg_gen_ext32u_tl(EA, EA); 3112 } 3113 } else { 3114 if (NARROW_MODE(ctx)) { 3115 tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]); 3116 } else { 3117 tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]); 3118 } 3119 } 3120 } 3121 3122 static inline void gen_addr_reg_index(DisasContext *ctx, TCGv EA) 3123 { 3124 if (rA(ctx->opcode) == 0) { 3125 if (NARROW_MODE(ctx)) { 3126 tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]); 3127 } else { 3128 tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]); 3129 } 3130 } else { 3131 tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 3132 if (NARROW_MODE(ctx)) { 3133 tcg_gen_ext32u_tl(EA, EA); 3134 } 3135 } 3136 } 3137 3138 static inline void gen_addr_register(DisasContext *ctx, TCGv EA) 3139 { 3140 if (rA(ctx->opcode) == 0) { 3141 tcg_gen_movi_tl(EA, 0); 3142 } else if (NARROW_MODE(ctx)) { 3143 tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]); 3144 } else { 3145 tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]); 3146 } 3147 } 3148 3149 static inline void gen_addr_add(DisasContext *ctx, TCGv ret, TCGv arg1, 3150 target_long val) 3151 { 3152 tcg_gen_addi_tl(ret, arg1, val); 3153 if (NARROW_MODE(ctx)) { 3154 tcg_gen_ext32u_tl(ret, ret); 3155 } 3156 } 3157 3158 static inline void gen_align_no_le(DisasContext *ctx) 3159 { 3160 gen_exception_err(ctx, POWERPC_EXCP_ALIGN, 3161 (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE); 3162 } 3163 3164 static TCGv do_ea_calc(DisasContext *ctx, int ra, TCGv displ) 3165 { 3166 TCGv ea = tcg_temp_new(); 3167 if (ra) { 3168 tcg_gen_add_tl(ea, cpu_gpr[ra], displ); 3169 } else { 3170 tcg_gen_mov_tl(ea, displ); 3171 } 3172 if (NARROW_MODE(ctx)) { 3173 tcg_gen_ext32u_tl(ea, ea); 3174 } 3175 return ea; 3176 } 3177 3178 /*** Integer load ***/ 3179 #define DEF_MEMOP(op) ((op) | ctx->default_tcg_memop_mask) 3180 #define BSWAP_MEMOP(op) ((op) | (ctx->default_tcg_memop_mask ^ MO_BSWAP)) 3181 3182 #define GEN_QEMU_LOAD_TL(ldop, op) \ 3183 static void glue(gen_qemu_, ldop)(DisasContext *ctx, \ 3184 TCGv val, \ 3185 TCGv addr) \ 3186 { \ 3187 tcg_gen_qemu_ld_tl(val, addr, ctx->mem_idx, op); \ 3188 } 3189 3190 GEN_QEMU_LOAD_TL(ld8u, DEF_MEMOP(MO_UB)) 3191 GEN_QEMU_LOAD_TL(ld16u, DEF_MEMOP(MO_UW)) 3192 GEN_QEMU_LOAD_TL(ld16s, DEF_MEMOP(MO_SW)) 3193 GEN_QEMU_LOAD_TL(ld32u, DEF_MEMOP(MO_UL)) 3194 GEN_QEMU_LOAD_TL(ld32s, DEF_MEMOP(MO_SL)) 3195 3196 GEN_QEMU_LOAD_TL(ld16ur, BSWAP_MEMOP(MO_UW)) 3197 GEN_QEMU_LOAD_TL(ld32ur, BSWAP_MEMOP(MO_UL)) 3198 3199 #define GEN_QEMU_LOAD_64(ldop, op) \ 3200 static void glue(gen_qemu_, glue(ldop, _i64))(DisasContext *ctx, \ 3201 TCGv_i64 val, \ 3202 TCGv addr) \ 3203 { \ 3204 tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, op); \ 3205 } 3206 3207 GEN_QEMU_LOAD_64(ld8u, DEF_MEMOP(MO_UB)) 3208 GEN_QEMU_LOAD_64(ld16u, DEF_MEMOP(MO_UW)) 3209 GEN_QEMU_LOAD_64(ld32u, DEF_MEMOP(MO_UL)) 3210 GEN_QEMU_LOAD_64(ld32s, DEF_MEMOP(MO_SL)) 3211 GEN_QEMU_LOAD_64(ld64, DEF_MEMOP(MO_UQ)) 3212 3213 #if defined(TARGET_PPC64) 3214 GEN_QEMU_LOAD_64(ld64ur, BSWAP_MEMOP(MO_UQ)) 3215 #endif 3216 3217 #define GEN_QEMU_STORE_TL(stop, op) \ 3218 static void glue(gen_qemu_, stop)(DisasContext *ctx, \ 3219 TCGv val, \ 3220 TCGv addr) \ 3221 { \ 3222 tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, op); \ 3223 } 3224 3225 #if defined(TARGET_PPC64) || !defined(CONFIG_USER_ONLY) 3226 GEN_QEMU_STORE_TL(st8, DEF_MEMOP(MO_UB)) 3227 #endif 3228 GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW)) 3229 GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL)) 3230 3231 GEN_QEMU_STORE_TL(st16r, BSWAP_MEMOP(MO_UW)) 3232 GEN_QEMU_STORE_TL(st32r, BSWAP_MEMOP(MO_UL)) 3233 3234 #define GEN_QEMU_STORE_64(stop, op) \ 3235 static void glue(gen_qemu_, glue(stop, _i64))(DisasContext *ctx, \ 3236 TCGv_i64 val, \ 3237 TCGv addr) \ 3238 { \ 3239 tcg_gen_qemu_st_i64(val, addr, ctx->mem_idx, op); \ 3240 } 3241 3242 GEN_QEMU_STORE_64(st8, DEF_MEMOP(MO_UB)) 3243 GEN_QEMU_STORE_64(st16, DEF_MEMOP(MO_UW)) 3244 GEN_QEMU_STORE_64(st32, DEF_MEMOP(MO_UL)) 3245 GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_UQ)) 3246 3247 #if defined(TARGET_PPC64) 3248 GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_UQ)) 3249 #endif 3250 3251 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \ 3252 static void glue(gen_, name##x)(DisasContext *ctx) \ 3253 { \ 3254 TCGv EA; \ 3255 chk; \ 3256 gen_set_access_type(ctx, ACCESS_INT); \ 3257 EA = tcg_temp_new(); \ 3258 gen_addr_reg_index(ctx, EA); \ 3259 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \ 3260 tcg_temp_free(EA); \ 3261 } 3262 3263 #define GEN_LDX(name, ldop, opc2, opc3, type) \ 3264 GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_NONE) 3265 3266 #define GEN_LDX_HVRM(name, ldop, opc2, opc3, type) \ 3267 GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_HVRM) 3268 3269 #define GEN_LDEPX(name, ldop, opc2, opc3) \ 3270 static void glue(gen_, name##epx)(DisasContext *ctx) \ 3271 { \ 3272 TCGv EA; \ 3273 CHK_SV; \ 3274 gen_set_access_type(ctx, ACCESS_INT); \ 3275 EA = tcg_temp_new(); \ 3276 gen_addr_reg_index(ctx, EA); \ 3277 tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_LOAD, ldop);\ 3278 tcg_temp_free(EA); \ 3279 } 3280 3281 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02) 3282 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08) 3283 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00) 3284 #if defined(TARGET_PPC64) 3285 GEN_LDEPX(ld, DEF_MEMOP(MO_UQ), 0x1D, 0x00) 3286 #endif 3287 3288 #if defined(TARGET_PPC64) 3289 /* CI load/store variants */ 3290 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST) 3291 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST) 3292 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST) 3293 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST) 3294 #endif 3295 3296 /*** Integer store ***/ 3297 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \ 3298 static void glue(gen_, name##x)(DisasContext *ctx) \ 3299 { \ 3300 TCGv EA; \ 3301 chk; \ 3302 gen_set_access_type(ctx, ACCESS_INT); \ 3303 EA = tcg_temp_new(); \ 3304 gen_addr_reg_index(ctx, EA); \ 3305 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \ 3306 tcg_temp_free(EA); \ 3307 } 3308 #define GEN_STX(name, stop, opc2, opc3, type) \ 3309 GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_NONE) 3310 3311 #define GEN_STX_HVRM(name, stop, opc2, opc3, type) \ 3312 GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_HVRM) 3313 3314 #define GEN_STEPX(name, stop, opc2, opc3) \ 3315 static void glue(gen_, name##epx)(DisasContext *ctx) \ 3316 { \ 3317 TCGv EA; \ 3318 CHK_SV; \ 3319 gen_set_access_type(ctx, ACCESS_INT); \ 3320 EA = tcg_temp_new(); \ 3321 gen_addr_reg_index(ctx, EA); \ 3322 tcg_gen_qemu_st_tl( \ 3323 cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_STORE, stop); \ 3324 tcg_temp_free(EA); \ 3325 } 3326 3327 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06) 3328 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C) 3329 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04) 3330 #if defined(TARGET_PPC64) 3331 GEN_STEPX(std, DEF_MEMOP(MO_UQ), 0x1d, 0x04) 3332 #endif 3333 3334 #if defined(TARGET_PPC64) 3335 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST) 3336 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST) 3337 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST) 3338 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST) 3339 #endif 3340 /*** Integer load and store with byte reverse ***/ 3341 3342 /* lhbrx */ 3343 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER); 3344 3345 /* lwbrx */ 3346 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER); 3347 3348 #if defined(TARGET_PPC64) 3349 /* ldbrx */ 3350 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE); 3351 /* stdbrx */ 3352 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE); 3353 #endif /* TARGET_PPC64 */ 3354 3355 /* sthbrx */ 3356 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER); 3357 /* stwbrx */ 3358 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER); 3359 3360 /*** Integer load and store multiple ***/ 3361 3362 /* lmw */ 3363 static void gen_lmw(DisasContext *ctx) 3364 { 3365 TCGv t0; 3366 TCGv_i32 t1; 3367 3368 if (ctx->le_mode) { 3369 gen_align_no_le(ctx); 3370 return; 3371 } 3372 gen_set_access_type(ctx, ACCESS_INT); 3373 t0 = tcg_temp_new(); 3374 t1 = tcg_const_i32(rD(ctx->opcode)); 3375 gen_addr_imm_index(ctx, t0, 0); 3376 gen_helper_lmw(cpu_env, t0, t1); 3377 tcg_temp_free(t0); 3378 tcg_temp_free_i32(t1); 3379 } 3380 3381 /* stmw */ 3382 static void gen_stmw(DisasContext *ctx) 3383 { 3384 TCGv t0; 3385 TCGv_i32 t1; 3386 3387 if (ctx->le_mode) { 3388 gen_align_no_le(ctx); 3389 return; 3390 } 3391 gen_set_access_type(ctx, ACCESS_INT); 3392 t0 = tcg_temp_new(); 3393 t1 = tcg_const_i32(rS(ctx->opcode)); 3394 gen_addr_imm_index(ctx, t0, 0); 3395 gen_helper_stmw(cpu_env, t0, t1); 3396 tcg_temp_free(t0); 3397 tcg_temp_free_i32(t1); 3398 } 3399 3400 /*** Integer load and store strings ***/ 3401 3402 /* lswi */ 3403 /* 3404 * PowerPC32 specification says we must generate an exception if rA is 3405 * in the range of registers to be loaded. In an other hand, IBM says 3406 * this is valid, but rA won't be loaded. For now, I'll follow the 3407 * spec... 3408 */ 3409 static void gen_lswi(DisasContext *ctx) 3410 { 3411 TCGv t0; 3412 TCGv_i32 t1, t2; 3413 int nb = NB(ctx->opcode); 3414 int start = rD(ctx->opcode); 3415 int ra = rA(ctx->opcode); 3416 int nr; 3417 3418 if (ctx->le_mode) { 3419 gen_align_no_le(ctx); 3420 return; 3421 } 3422 if (nb == 0) { 3423 nb = 32; 3424 } 3425 nr = DIV_ROUND_UP(nb, 4); 3426 if (unlikely(lsw_reg_in_range(start, nr, ra))) { 3427 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX); 3428 return; 3429 } 3430 gen_set_access_type(ctx, ACCESS_INT); 3431 t0 = tcg_temp_new(); 3432 gen_addr_register(ctx, t0); 3433 t1 = tcg_const_i32(nb); 3434 t2 = tcg_const_i32(start); 3435 gen_helper_lsw(cpu_env, t0, t1, t2); 3436 tcg_temp_free(t0); 3437 tcg_temp_free_i32(t1); 3438 tcg_temp_free_i32(t2); 3439 } 3440 3441 /* lswx */ 3442 static void gen_lswx(DisasContext *ctx) 3443 { 3444 TCGv t0; 3445 TCGv_i32 t1, t2, t3; 3446 3447 if (ctx->le_mode) { 3448 gen_align_no_le(ctx); 3449 return; 3450 } 3451 gen_set_access_type(ctx, ACCESS_INT); 3452 t0 = tcg_temp_new(); 3453 gen_addr_reg_index(ctx, t0); 3454 t1 = tcg_const_i32(rD(ctx->opcode)); 3455 t2 = tcg_const_i32(rA(ctx->opcode)); 3456 t3 = tcg_const_i32(rB(ctx->opcode)); 3457 gen_helper_lswx(cpu_env, t0, t1, t2, t3); 3458 tcg_temp_free(t0); 3459 tcg_temp_free_i32(t1); 3460 tcg_temp_free_i32(t2); 3461 tcg_temp_free_i32(t3); 3462 } 3463 3464 /* stswi */ 3465 static void gen_stswi(DisasContext *ctx) 3466 { 3467 TCGv t0; 3468 TCGv_i32 t1, t2; 3469 int nb = NB(ctx->opcode); 3470 3471 if (ctx->le_mode) { 3472 gen_align_no_le(ctx); 3473 return; 3474 } 3475 gen_set_access_type(ctx, ACCESS_INT); 3476 t0 = tcg_temp_new(); 3477 gen_addr_register(ctx, t0); 3478 if (nb == 0) { 3479 nb = 32; 3480 } 3481 t1 = tcg_const_i32(nb); 3482 t2 = tcg_const_i32(rS(ctx->opcode)); 3483 gen_helper_stsw(cpu_env, t0, t1, t2); 3484 tcg_temp_free(t0); 3485 tcg_temp_free_i32(t1); 3486 tcg_temp_free_i32(t2); 3487 } 3488 3489 /* stswx */ 3490 static void gen_stswx(DisasContext *ctx) 3491 { 3492 TCGv t0; 3493 TCGv_i32 t1, t2; 3494 3495 if (ctx->le_mode) { 3496 gen_align_no_le(ctx); 3497 return; 3498 } 3499 gen_set_access_type(ctx, ACCESS_INT); 3500 t0 = tcg_temp_new(); 3501 gen_addr_reg_index(ctx, t0); 3502 t1 = tcg_temp_new_i32(); 3503 tcg_gen_trunc_tl_i32(t1, cpu_xer); 3504 tcg_gen_andi_i32(t1, t1, 0x7F); 3505 t2 = tcg_const_i32(rS(ctx->opcode)); 3506 gen_helper_stsw(cpu_env, t0, t1, t2); 3507 tcg_temp_free(t0); 3508 tcg_temp_free_i32(t1); 3509 tcg_temp_free_i32(t2); 3510 } 3511 3512 /*** Memory synchronisation ***/ 3513 /* eieio */ 3514 static void gen_eieio(DisasContext *ctx) 3515 { 3516 TCGBar bar = TCG_MO_LD_ST; 3517 3518 /* 3519 * POWER9 has a eieio instruction variant using bit 6 as a hint to 3520 * tell the CPU it is a store-forwarding barrier. 3521 */ 3522 if (ctx->opcode & 0x2000000) { 3523 /* 3524 * ISA says that "Reserved fields in instructions are ignored 3525 * by the processor". So ignore the bit 6 on non-POWER9 CPU but 3526 * as this is not an instruction software should be using, 3527 * complain to the user. 3528 */ 3529 if (!(ctx->insns_flags2 & PPC2_ISA300)) { 3530 qemu_log_mask(LOG_GUEST_ERROR, "invalid eieio using bit 6 at @" 3531 TARGET_FMT_lx "\n", ctx->cia); 3532 } else { 3533 bar = TCG_MO_ST_LD; 3534 } 3535 } 3536 3537 tcg_gen_mb(bar | TCG_BAR_SC); 3538 } 3539 3540 #if !defined(CONFIG_USER_ONLY) 3541 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) 3542 { 3543 TCGv_i32 t; 3544 TCGLabel *l; 3545 3546 if (!ctx->lazy_tlb_flush) { 3547 return; 3548 } 3549 l = gen_new_label(); 3550 t = tcg_temp_new_i32(); 3551 tcg_gen_ld_i32(t, cpu_env, offsetof(CPUPPCState, tlb_need_flush)); 3552 tcg_gen_brcondi_i32(TCG_COND_EQ, t, 0, l); 3553 if (global) { 3554 gen_helper_check_tlb_flush_global(cpu_env); 3555 } else { 3556 gen_helper_check_tlb_flush_local(cpu_env); 3557 } 3558 gen_set_label(l); 3559 tcg_temp_free_i32(t); 3560 } 3561 #else 3562 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) { } 3563 #endif 3564 3565 /* isync */ 3566 static void gen_isync(DisasContext *ctx) 3567 { 3568 /* 3569 * We need to check for a pending TLB flush. This can only happen in 3570 * kernel mode however so check MSR_PR 3571 */ 3572 if (!ctx->pr) { 3573 gen_check_tlb_flush(ctx, false); 3574 } 3575 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC); 3576 ctx->base.is_jmp = DISAS_EXIT_UPDATE; 3577 } 3578 3579 #define MEMOP_GET_SIZE(x) (1 << ((x) & MO_SIZE)) 3580 3581 static void gen_load_locked(DisasContext *ctx, MemOp memop) 3582 { 3583 TCGv gpr = cpu_gpr[rD(ctx->opcode)]; 3584 TCGv t0 = tcg_temp_new(); 3585 3586 gen_set_access_type(ctx, ACCESS_RES); 3587 gen_addr_reg_index(ctx, t0); 3588 tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop | MO_ALIGN); 3589 tcg_gen_mov_tl(cpu_reserve, t0); 3590 tcg_gen_mov_tl(cpu_reserve_val, gpr); 3591 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ); 3592 tcg_temp_free(t0); 3593 } 3594 3595 #define LARX(name, memop) \ 3596 static void gen_##name(DisasContext *ctx) \ 3597 { \ 3598 gen_load_locked(ctx, memop); \ 3599 } 3600 3601 /* lwarx */ 3602 LARX(lbarx, DEF_MEMOP(MO_UB)) 3603 LARX(lharx, DEF_MEMOP(MO_UW)) 3604 LARX(lwarx, DEF_MEMOP(MO_UL)) 3605 3606 static void gen_fetch_inc_conditional(DisasContext *ctx, MemOp memop, 3607 TCGv EA, TCGCond cond, int addend) 3608 { 3609 TCGv t = tcg_temp_new(); 3610 TCGv t2 = tcg_temp_new(); 3611 TCGv u = tcg_temp_new(); 3612 3613 tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop); 3614 tcg_gen_addi_tl(t2, EA, MEMOP_GET_SIZE(memop)); 3615 tcg_gen_qemu_ld_tl(t2, t2, ctx->mem_idx, memop); 3616 tcg_gen_addi_tl(u, t, addend); 3617 3618 /* E.g. for fetch and increment bounded... */ 3619 /* mem(EA,s) = (t != t2 ? u = t + 1 : t) */ 3620 tcg_gen_movcond_tl(cond, u, t, t2, u, t); 3621 tcg_gen_qemu_st_tl(u, EA, ctx->mem_idx, memop); 3622 3623 /* RT = (t != t2 ? t : u = 1<<(s*8-1)) */ 3624 tcg_gen_movi_tl(u, 1 << (MEMOP_GET_SIZE(memop) * 8 - 1)); 3625 tcg_gen_movcond_tl(cond, cpu_gpr[rD(ctx->opcode)], t, t2, t, u); 3626 3627 tcg_temp_free(t); 3628 tcg_temp_free(t2); 3629 tcg_temp_free(u); 3630 } 3631 3632 static void gen_ld_atomic(DisasContext *ctx, MemOp memop) 3633 { 3634 uint32_t gpr_FC = FC(ctx->opcode); 3635 TCGv EA = tcg_temp_new(); 3636 int rt = rD(ctx->opcode); 3637 bool need_serial; 3638 TCGv src, dst; 3639 3640 gen_addr_register(ctx, EA); 3641 dst = cpu_gpr[rt]; 3642 src = cpu_gpr[(rt + 1) & 31]; 3643 3644 need_serial = false; 3645 memop |= MO_ALIGN; 3646 switch (gpr_FC) { 3647 case 0: /* Fetch and add */ 3648 tcg_gen_atomic_fetch_add_tl(dst, EA, src, ctx->mem_idx, memop); 3649 break; 3650 case 1: /* Fetch and xor */ 3651 tcg_gen_atomic_fetch_xor_tl(dst, EA, src, ctx->mem_idx, memop); 3652 break; 3653 case 2: /* Fetch and or */ 3654 tcg_gen_atomic_fetch_or_tl(dst, EA, src, ctx->mem_idx, memop); 3655 break; 3656 case 3: /* Fetch and 'and' */ 3657 tcg_gen_atomic_fetch_and_tl(dst, EA, src, ctx->mem_idx, memop); 3658 break; 3659 case 4: /* Fetch and max unsigned */ 3660 tcg_gen_atomic_fetch_umax_tl(dst, EA, src, ctx->mem_idx, memop); 3661 break; 3662 case 5: /* Fetch and max signed */ 3663 tcg_gen_atomic_fetch_smax_tl(dst, EA, src, ctx->mem_idx, memop); 3664 break; 3665 case 6: /* Fetch and min unsigned */ 3666 tcg_gen_atomic_fetch_umin_tl(dst, EA, src, ctx->mem_idx, memop); 3667 break; 3668 case 7: /* Fetch and min signed */ 3669 tcg_gen_atomic_fetch_smin_tl(dst, EA, src, ctx->mem_idx, memop); 3670 break; 3671 case 8: /* Swap */ 3672 tcg_gen_atomic_xchg_tl(dst, EA, src, ctx->mem_idx, memop); 3673 break; 3674 3675 case 16: /* Compare and swap not equal */ 3676 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3677 need_serial = true; 3678 } else { 3679 TCGv t0 = tcg_temp_new(); 3680 TCGv t1 = tcg_temp_new(); 3681 3682 tcg_gen_qemu_ld_tl(t0, EA, ctx->mem_idx, memop); 3683 if ((memop & MO_SIZE) == MO_64 || TARGET_LONG_BITS == 32) { 3684 tcg_gen_mov_tl(t1, src); 3685 } else { 3686 tcg_gen_ext32u_tl(t1, src); 3687 } 3688 tcg_gen_movcond_tl(TCG_COND_NE, t1, t0, t1, 3689 cpu_gpr[(rt + 2) & 31], t0); 3690 tcg_gen_qemu_st_tl(t1, EA, ctx->mem_idx, memop); 3691 tcg_gen_mov_tl(dst, t0); 3692 3693 tcg_temp_free(t0); 3694 tcg_temp_free(t1); 3695 } 3696 break; 3697 3698 case 24: /* Fetch and increment bounded */ 3699 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3700 need_serial = true; 3701 } else { 3702 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, 1); 3703 } 3704 break; 3705 case 25: /* Fetch and increment equal */ 3706 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3707 need_serial = true; 3708 } else { 3709 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_EQ, 1); 3710 } 3711 break; 3712 case 28: /* Fetch and decrement bounded */ 3713 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3714 need_serial = true; 3715 } else { 3716 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, -1); 3717 } 3718 break; 3719 3720 default: 3721 /* invoke data storage error handler */ 3722 gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL); 3723 } 3724 tcg_temp_free(EA); 3725 3726 if (need_serial) { 3727 /* Restart with exclusive lock. */ 3728 gen_helper_exit_atomic(cpu_env); 3729 ctx->base.is_jmp = DISAS_NORETURN; 3730 } 3731 } 3732 3733 static void gen_lwat(DisasContext *ctx) 3734 { 3735 gen_ld_atomic(ctx, DEF_MEMOP(MO_UL)); 3736 } 3737 3738 #ifdef TARGET_PPC64 3739 static void gen_ldat(DisasContext *ctx) 3740 { 3741 gen_ld_atomic(ctx, DEF_MEMOP(MO_UQ)); 3742 } 3743 #endif 3744 3745 static void gen_st_atomic(DisasContext *ctx, MemOp memop) 3746 { 3747 uint32_t gpr_FC = FC(ctx->opcode); 3748 TCGv EA = tcg_temp_new(); 3749 TCGv src, discard; 3750 3751 gen_addr_register(ctx, EA); 3752 src = cpu_gpr[rD(ctx->opcode)]; 3753 discard = tcg_temp_new(); 3754 3755 memop |= MO_ALIGN; 3756 switch (gpr_FC) { 3757 case 0: /* add and Store */ 3758 tcg_gen_atomic_add_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3759 break; 3760 case 1: /* xor and Store */ 3761 tcg_gen_atomic_xor_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3762 break; 3763 case 2: /* Or and Store */ 3764 tcg_gen_atomic_or_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3765 break; 3766 case 3: /* 'and' and Store */ 3767 tcg_gen_atomic_and_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3768 break; 3769 case 4: /* Store max unsigned */ 3770 tcg_gen_atomic_umax_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3771 break; 3772 case 5: /* Store max signed */ 3773 tcg_gen_atomic_smax_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3774 break; 3775 case 6: /* Store min unsigned */ 3776 tcg_gen_atomic_umin_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3777 break; 3778 case 7: /* Store min signed */ 3779 tcg_gen_atomic_smin_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3780 break; 3781 case 24: /* Store twin */ 3782 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3783 /* Restart with exclusive lock. */ 3784 gen_helper_exit_atomic(cpu_env); 3785 ctx->base.is_jmp = DISAS_NORETURN; 3786 } else { 3787 TCGv t = tcg_temp_new(); 3788 TCGv t2 = tcg_temp_new(); 3789 TCGv s = tcg_temp_new(); 3790 TCGv s2 = tcg_temp_new(); 3791 TCGv ea_plus_s = tcg_temp_new(); 3792 3793 tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop); 3794 tcg_gen_addi_tl(ea_plus_s, EA, MEMOP_GET_SIZE(memop)); 3795 tcg_gen_qemu_ld_tl(t2, ea_plus_s, ctx->mem_idx, memop); 3796 tcg_gen_movcond_tl(TCG_COND_EQ, s, t, t2, src, t); 3797 tcg_gen_movcond_tl(TCG_COND_EQ, s2, t, t2, src, t2); 3798 tcg_gen_qemu_st_tl(s, EA, ctx->mem_idx, memop); 3799 tcg_gen_qemu_st_tl(s2, ea_plus_s, ctx->mem_idx, memop); 3800 3801 tcg_temp_free(ea_plus_s); 3802 tcg_temp_free(s2); 3803 tcg_temp_free(s); 3804 tcg_temp_free(t2); 3805 tcg_temp_free(t); 3806 } 3807 break; 3808 default: 3809 /* invoke data storage error handler */ 3810 gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL); 3811 } 3812 tcg_temp_free(discard); 3813 tcg_temp_free(EA); 3814 } 3815 3816 static void gen_stwat(DisasContext *ctx) 3817 { 3818 gen_st_atomic(ctx, DEF_MEMOP(MO_UL)); 3819 } 3820 3821 #ifdef TARGET_PPC64 3822 static void gen_stdat(DisasContext *ctx) 3823 { 3824 gen_st_atomic(ctx, DEF_MEMOP(MO_UQ)); 3825 } 3826 #endif 3827 3828 static void gen_conditional_store(DisasContext *ctx, MemOp memop) 3829 { 3830 TCGLabel *l1 = gen_new_label(); 3831 TCGLabel *l2 = gen_new_label(); 3832 TCGv t0 = tcg_temp_new(); 3833 int reg = rS(ctx->opcode); 3834 3835 gen_set_access_type(ctx, ACCESS_RES); 3836 gen_addr_reg_index(ctx, t0); 3837 tcg_gen_brcond_tl(TCG_COND_NE, t0, cpu_reserve, l1); 3838 tcg_temp_free(t0); 3839 3840 t0 = tcg_temp_new(); 3841 tcg_gen_atomic_cmpxchg_tl(t0, cpu_reserve, cpu_reserve_val, 3842 cpu_gpr[reg], ctx->mem_idx, 3843 DEF_MEMOP(memop) | MO_ALIGN); 3844 tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_reserve_val); 3845 tcg_gen_shli_tl(t0, t0, CRF_EQ_BIT); 3846 tcg_gen_or_tl(t0, t0, cpu_so); 3847 tcg_gen_trunc_tl_i32(cpu_crf[0], t0); 3848 tcg_temp_free(t0); 3849 tcg_gen_br(l2); 3850 3851 gen_set_label(l1); 3852 3853 /* 3854 * Address mismatch implies failure. But we still need to provide 3855 * the memory barrier semantics of the instruction. 3856 */ 3857 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL); 3858 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 3859 3860 gen_set_label(l2); 3861 tcg_gen_movi_tl(cpu_reserve, -1); 3862 } 3863 3864 #define STCX(name, memop) \ 3865 static void gen_##name(DisasContext *ctx) \ 3866 { \ 3867 gen_conditional_store(ctx, memop); \ 3868 } 3869 3870 STCX(stbcx_, DEF_MEMOP(MO_UB)) 3871 STCX(sthcx_, DEF_MEMOP(MO_UW)) 3872 STCX(stwcx_, DEF_MEMOP(MO_UL)) 3873 3874 #if defined(TARGET_PPC64) 3875 /* ldarx */ 3876 LARX(ldarx, DEF_MEMOP(MO_UQ)) 3877 /* stdcx. */ 3878 STCX(stdcx_, DEF_MEMOP(MO_UQ)) 3879 3880 /* lqarx */ 3881 static void gen_lqarx(DisasContext *ctx) 3882 { 3883 int rd = rD(ctx->opcode); 3884 TCGv EA, hi, lo; 3885 3886 if (unlikely((rd & 1) || (rd == rA(ctx->opcode)) || 3887 (rd == rB(ctx->opcode)))) { 3888 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 3889 return; 3890 } 3891 3892 gen_set_access_type(ctx, ACCESS_RES); 3893 EA = tcg_temp_new(); 3894 gen_addr_reg_index(ctx, EA); 3895 3896 /* Note that the low part is always in RD+1, even in LE mode. */ 3897 lo = cpu_gpr[rd + 1]; 3898 hi = cpu_gpr[rd]; 3899 3900 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3901 if (HAVE_ATOMIC128) { 3902 TCGv_i32 oi = tcg_temp_new_i32(); 3903 if (ctx->le_mode) { 3904 tcg_gen_movi_i32(oi, make_memop_idx(MO_LE | MO_128 | MO_ALIGN, 3905 ctx->mem_idx)); 3906 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi); 3907 } else { 3908 tcg_gen_movi_i32(oi, make_memop_idx(MO_BE | MO_128 | MO_ALIGN, 3909 ctx->mem_idx)); 3910 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi); 3911 } 3912 tcg_temp_free_i32(oi); 3913 tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh)); 3914 } else { 3915 /* Restart with exclusive lock. */ 3916 gen_helper_exit_atomic(cpu_env); 3917 ctx->base.is_jmp = DISAS_NORETURN; 3918 tcg_temp_free(EA); 3919 return; 3920 } 3921 } else if (ctx->le_mode) { 3922 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEUQ | MO_ALIGN_16); 3923 tcg_gen_mov_tl(cpu_reserve, EA); 3924 gen_addr_add(ctx, EA, EA, 8); 3925 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEUQ); 3926 } else { 3927 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEUQ | MO_ALIGN_16); 3928 tcg_gen_mov_tl(cpu_reserve, EA); 3929 gen_addr_add(ctx, EA, EA, 8); 3930 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEUQ); 3931 } 3932 tcg_temp_free(EA); 3933 3934 tcg_gen_st_tl(hi, cpu_env, offsetof(CPUPPCState, reserve_val)); 3935 tcg_gen_st_tl(lo, cpu_env, offsetof(CPUPPCState, reserve_val2)); 3936 } 3937 3938 /* stqcx. */ 3939 static void gen_stqcx_(DisasContext *ctx) 3940 { 3941 int rs = rS(ctx->opcode); 3942 TCGv EA, hi, lo; 3943 3944 if (unlikely(rs & 1)) { 3945 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 3946 return; 3947 } 3948 3949 gen_set_access_type(ctx, ACCESS_RES); 3950 EA = tcg_temp_new(); 3951 gen_addr_reg_index(ctx, EA); 3952 3953 /* Note that the low part is always in RS+1, even in LE mode. */ 3954 lo = cpu_gpr[rs + 1]; 3955 hi = cpu_gpr[rs]; 3956 3957 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3958 if (HAVE_CMPXCHG128) { 3959 TCGv_i32 oi = tcg_const_i32(DEF_MEMOP(MO_128) | MO_ALIGN); 3960 if (ctx->le_mode) { 3961 gen_helper_stqcx_le_parallel(cpu_crf[0], cpu_env, 3962 EA, lo, hi, oi); 3963 } else { 3964 gen_helper_stqcx_be_parallel(cpu_crf[0], cpu_env, 3965 EA, lo, hi, oi); 3966 } 3967 tcg_temp_free_i32(oi); 3968 } else { 3969 /* Restart with exclusive lock. */ 3970 gen_helper_exit_atomic(cpu_env); 3971 ctx->base.is_jmp = DISAS_NORETURN; 3972 } 3973 tcg_temp_free(EA); 3974 } else { 3975 TCGLabel *lab_fail = gen_new_label(); 3976 TCGLabel *lab_over = gen_new_label(); 3977 TCGv_i64 t0 = tcg_temp_new_i64(); 3978 TCGv_i64 t1 = tcg_temp_new_i64(); 3979 3980 tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, lab_fail); 3981 tcg_temp_free(EA); 3982 3983 gen_qemu_ld64_i64(ctx, t0, cpu_reserve); 3984 tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode 3985 ? offsetof(CPUPPCState, reserve_val2) 3986 : offsetof(CPUPPCState, reserve_val))); 3987 tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail); 3988 3989 tcg_gen_addi_i64(t0, cpu_reserve, 8); 3990 gen_qemu_ld64_i64(ctx, t0, t0); 3991 tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode 3992 ? offsetof(CPUPPCState, reserve_val) 3993 : offsetof(CPUPPCState, reserve_val2))); 3994 tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail); 3995 3996 /* Success */ 3997 gen_qemu_st64_i64(ctx, ctx->le_mode ? lo : hi, cpu_reserve); 3998 tcg_gen_addi_i64(t0, cpu_reserve, 8); 3999 gen_qemu_st64_i64(ctx, ctx->le_mode ? hi : lo, t0); 4000 4001 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 4002 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ); 4003 tcg_gen_br(lab_over); 4004 4005 gen_set_label(lab_fail); 4006 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 4007 4008 gen_set_label(lab_over); 4009 tcg_gen_movi_tl(cpu_reserve, -1); 4010 tcg_temp_free_i64(t0); 4011 tcg_temp_free_i64(t1); 4012 } 4013 } 4014 #endif /* defined(TARGET_PPC64) */ 4015 4016 /* sync */ 4017 static void gen_sync(DisasContext *ctx) 4018 { 4019 uint32_t l = (ctx->opcode >> 21) & 3; 4020 4021 /* 4022 * We may need to check for a pending TLB flush. 4023 * 4024 * We do this on ptesync (l == 2) on ppc64 and any sync pn ppc32. 4025 * 4026 * Additionally, this can only happen in kernel mode however so 4027 * check MSR_PR as well. 4028 */ 4029 if (((l == 2) || !(ctx->insns_flags & PPC_64B)) && !ctx->pr) { 4030 gen_check_tlb_flush(ctx, true); 4031 } 4032 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC); 4033 } 4034 4035 /* wait */ 4036 static void gen_wait(DisasContext *ctx) 4037 { 4038 TCGv_i32 t0 = tcg_const_i32(1); 4039 tcg_gen_st_i32(t0, cpu_env, 4040 -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted)); 4041 tcg_temp_free_i32(t0); 4042 /* Stop translation, as the CPU is supposed to sleep from now */ 4043 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 4044 } 4045 4046 #if defined(TARGET_PPC64) 4047 static void gen_doze(DisasContext *ctx) 4048 { 4049 #if defined(CONFIG_USER_ONLY) 4050 GEN_PRIV; 4051 #else 4052 TCGv_i32 t; 4053 4054 CHK_HV; 4055 t = tcg_const_i32(PPC_PM_DOZE); 4056 gen_helper_pminsn(cpu_env, t); 4057 tcg_temp_free_i32(t); 4058 /* Stop translation, as the CPU is supposed to sleep from now */ 4059 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 4060 #endif /* defined(CONFIG_USER_ONLY) */ 4061 } 4062 4063 static void gen_nap(DisasContext *ctx) 4064 { 4065 #if defined(CONFIG_USER_ONLY) 4066 GEN_PRIV; 4067 #else 4068 TCGv_i32 t; 4069 4070 CHK_HV; 4071 t = tcg_const_i32(PPC_PM_NAP); 4072 gen_helper_pminsn(cpu_env, t); 4073 tcg_temp_free_i32(t); 4074 /* Stop translation, as the CPU is supposed to sleep from now */ 4075 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 4076 #endif /* defined(CONFIG_USER_ONLY) */ 4077 } 4078 4079 static void gen_stop(DisasContext *ctx) 4080 { 4081 #if defined(CONFIG_USER_ONLY) 4082 GEN_PRIV; 4083 #else 4084 TCGv_i32 t; 4085 4086 CHK_HV; 4087 t = tcg_const_i32(PPC_PM_STOP); 4088 gen_helper_pminsn(cpu_env, t); 4089 tcg_temp_free_i32(t); 4090 /* Stop translation, as the CPU is supposed to sleep from now */ 4091 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 4092 #endif /* defined(CONFIG_USER_ONLY) */ 4093 } 4094 4095 static void gen_sleep(DisasContext *ctx) 4096 { 4097 #if defined(CONFIG_USER_ONLY) 4098 GEN_PRIV; 4099 #else 4100 TCGv_i32 t; 4101 4102 CHK_HV; 4103 t = tcg_const_i32(PPC_PM_SLEEP); 4104 gen_helper_pminsn(cpu_env, t); 4105 tcg_temp_free_i32(t); 4106 /* Stop translation, as the CPU is supposed to sleep from now */ 4107 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 4108 #endif /* defined(CONFIG_USER_ONLY) */ 4109 } 4110 4111 static void gen_rvwinkle(DisasContext *ctx) 4112 { 4113 #if defined(CONFIG_USER_ONLY) 4114 GEN_PRIV; 4115 #else 4116 TCGv_i32 t; 4117 4118 CHK_HV; 4119 t = tcg_const_i32(PPC_PM_RVWINKLE); 4120 gen_helper_pminsn(cpu_env, t); 4121 tcg_temp_free_i32(t); 4122 /* Stop translation, as the CPU is supposed to sleep from now */ 4123 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 4124 #endif /* defined(CONFIG_USER_ONLY) */ 4125 } 4126 #endif /* #if defined(TARGET_PPC64) */ 4127 4128 static inline void gen_update_cfar(DisasContext *ctx, target_ulong nip) 4129 { 4130 #if defined(TARGET_PPC64) 4131 if (ctx->has_cfar) { 4132 tcg_gen_movi_tl(cpu_cfar, nip); 4133 } 4134 #endif 4135 } 4136 4137 #if defined(TARGET_PPC64) 4138 static void pmu_count_insns(DisasContext *ctx) 4139 { 4140 /* 4141 * Do not bother calling the helper if the PMU isn't counting 4142 * instructions. 4143 */ 4144 if (!ctx->pmu_insn_cnt) { 4145 return; 4146 } 4147 4148 #if !defined(CONFIG_USER_ONLY) 4149 /* 4150 * The PMU insns_inc() helper stops the internal PMU timer if a 4151 * counter overflows happens. In that case, if the guest is 4152 * running with icount and we do not handle it beforehand, 4153 * the helper can trigger a 'bad icount read'. 4154 */ 4155 gen_icount_io_start(ctx); 4156 4157 gen_helper_insns_inc(cpu_env, tcg_constant_i32(ctx->base.num_insns)); 4158 #else 4159 /* 4160 * User mode can read (but not write) PMC5 and start/stop 4161 * the PMU via MMCR0_FC. In this case just increment 4162 * PMC5 with base.num_insns. 4163 */ 4164 TCGv t0 = tcg_temp_new(); 4165 4166 gen_load_spr(t0, SPR_POWER_PMC5); 4167 tcg_gen_addi_tl(t0, t0, ctx->base.num_insns); 4168 gen_store_spr(SPR_POWER_PMC5, t0); 4169 4170 tcg_temp_free(t0); 4171 #endif /* #if !defined(CONFIG_USER_ONLY) */ 4172 } 4173 #else 4174 static void pmu_count_insns(DisasContext *ctx) 4175 { 4176 return; 4177 } 4178 #endif /* #if defined(TARGET_PPC64) */ 4179 4180 static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest) 4181 { 4182 return translator_use_goto_tb(&ctx->base, dest); 4183 } 4184 4185 static void gen_lookup_and_goto_ptr(DisasContext *ctx) 4186 { 4187 if (unlikely(ctx->singlestep_enabled)) { 4188 gen_debug_exception(ctx); 4189 } else { 4190 /* 4191 * tcg_gen_lookup_and_goto_ptr will exit the TB if 4192 * CF_NO_GOTO_PTR is set. Count insns now. 4193 */ 4194 if (ctx->base.tb->flags & CF_NO_GOTO_PTR) { 4195 pmu_count_insns(ctx); 4196 } 4197 4198 tcg_gen_lookup_and_goto_ptr(); 4199 } 4200 } 4201 4202 /*** Branch ***/ 4203 static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) 4204 { 4205 if (NARROW_MODE(ctx)) { 4206 dest = (uint32_t) dest; 4207 } 4208 if (use_goto_tb(ctx, dest)) { 4209 pmu_count_insns(ctx); 4210 tcg_gen_goto_tb(n); 4211 tcg_gen_movi_tl(cpu_nip, dest & ~3); 4212 tcg_gen_exit_tb(ctx->base.tb, n); 4213 } else { 4214 tcg_gen_movi_tl(cpu_nip, dest & ~3); 4215 gen_lookup_and_goto_ptr(ctx); 4216 } 4217 } 4218 4219 static inline void gen_setlr(DisasContext *ctx, target_ulong nip) 4220 { 4221 if (NARROW_MODE(ctx)) { 4222 nip = (uint32_t)nip; 4223 } 4224 tcg_gen_movi_tl(cpu_lr, nip); 4225 } 4226 4227 /* b ba bl bla */ 4228 static void gen_b(DisasContext *ctx) 4229 { 4230 target_ulong li, target; 4231 4232 /* sign extend LI */ 4233 li = LI(ctx->opcode); 4234 li = (li ^ 0x02000000) - 0x02000000; 4235 if (likely(AA(ctx->opcode) == 0)) { 4236 target = ctx->cia + li; 4237 } else { 4238 target = li; 4239 } 4240 if (LK(ctx->opcode)) { 4241 gen_setlr(ctx, ctx->base.pc_next); 4242 } 4243 gen_update_cfar(ctx, ctx->cia); 4244 gen_goto_tb(ctx, 0, target); 4245 ctx->base.is_jmp = DISAS_NORETURN; 4246 } 4247 4248 #define BCOND_IM 0 4249 #define BCOND_LR 1 4250 #define BCOND_CTR 2 4251 #define BCOND_TAR 3 4252 4253 static void gen_bcond(DisasContext *ctx, int type) 4254 { 4255 uint32_t bo = BO(ctx->opcode); 4256 TCGLabel *l1; 4257 TCGv target; 4258 4259 if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) { 4260 target = tcg_temp_local_new(); 4261 if (type == BCOND_CTR) { 4262 tcg_gen_mov_tl(target, cpu_ctr); 4263 } else if (type == BCOND_TAR) { 4264 gen_load_spr(target, SPR_TAR); 4265 } else { 4266 tcg_gen_mov_tl(target, cpu_lr); 4267 } 4268 } else { 4269 target = NULL; 4270 } 4271 if (LK(ctx->opcode)) { 4272 gen_setlr(ctx, ctx->base.pc_next); 4273 } 4274 l1 = gen_new_label(); 4275 if ((bo & 0x4) == 0) { 4276 /* Decrement and test CTR */ 4277 TCGv temp = tcg_temp_new(); 4278 4279 if (type == BCOND_CTR) { 4280 /* 4281 * All ISAs up to v3 describe this form of bcctr as invalid but 4282 * some processors, ie. 64-bit server processors compliant with 4283 * arch 2.x, do implement a "test and decrement" logic instead, 4284 * as described in their respective UMs. This logic involves CTR 4285 * to act as both the branch target and a counter, which makes 4286 * it basically useless and thus never used in real code. 4287 * 4288 * This form was hence chosen to trigger extra micro-architectural 4289 * side-effect on real HW needed for the Spectre v2 workaround. 4290 * It is up to guests that implement such workaround, ie. linux, to 4291 * use this form in a way it just triggers the side-effect without 4292 * doing anything else harmful. 4293 */ 4294 if (unlikely(!is_book3s_arch2x(ctx))) { 4295 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 4296 tcg_temp_free(temp); 4297 tcg_temp_free(target); 4298 return; 4299 } 4300 4301 if (NARROW_MODE(ctx)) { 4302 tcg_gen_ext32u_tl(temp, cpu_ctr); 4303 } else { 4304 tcg_gen_mov_tl(temp, cpu_ctr); 4305 } 4306 if (bo & 0x2) { 4307 tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1); 4308 } else { 4309 tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1); 4310 } 4311 tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1); 4312 } else { 4313 tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1); 4314 if (NARROW_MODE(ctx)) { 4315 tcg_gen_ext32u_tl(temp, cpu_ctr); 4316 } else { 4317 tcg_gen_mov_tl(temp, cpu_ctr); 4318 } 4319 if (bo & 0x2) { 4320 tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1); 4321 } else { 4322 tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1); 4323 } 4324 } 4325 tcg_temp_free(temp); 4326 } 4327 if ((bo & 0x10) == 0) { 4328 /* Test CR */ 4329 uint32_t bi = BI(ctx->opcode); 4330 uint32_t mask = 0x08 >> (bi & 0x03); 4331 TCGv_i32 temp = tcg_temp_new_i32(); 4332 4333 if (bo & 0x8) { 4334 tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask); 4335 tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1); 4336 } else { 4337 tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask); 4338 tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1); 4339 } 4340 tcg_temp_free_i32(temp); 4341 } 4342 gen_update_cfar(ctx, ctx->cia); 4343 if (type == BCOND_IM) { 4344 target_ulong li = (target_long)((int16_t)(BD(ctx->opcode))); 4345 if (likely(AA(ctx->opcode) == 0)) { 4346 gen_goto_tb(ctx, 0, ctx->cia + li); 4347 } else { 4348 gen_goto_tb(ctx, 0, li); 4349 } 4350 } else { 4351 if (NARROW_MODE(ctx)) { 4352 tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3); 4353 } else { 4354 tcg_gen_andi_tl(cpu_nip, target, ~3); 4355 } 4356 gen_lookup_and_goto_ptr(ctx); 4357 tcg_temp_free(target); 4358 } 4359 if ((bo & 0x14) != 0x14) { 4360 /* fallthrough case */ 4361 gen_set_label(l1); 4362 gen_goto_tb(ctx, 1, ctx->base.pc_next); 4363 } 4364 ctx->base.is_jmp = DISAS_NORETURN; 4365 } 4366 4367 static void gen_bc(DisasContext *ctx) 4368 { 4369 gen_bcond(ctx, BCOND_IM); 4370 } 4371 4372 static void gen_bcctr(DisasContext *ctx) 4373 { 4374 gen_bcond(ctx, BCOND_CTR); 4375 } 4376 4377 static void gen_bclr(DisasContext *ctx) 4378 { 4379 gen_bcond(ctx, BCOND_LR); 4380 } 4381 4382 static void gen_bctar(DisasContext *ctx) 4383 { 4384 gen_bcond(ctx, BCOND_TAR); 4385 } 4386 4387 /*** Condition register logical ***/ 4388 #define GEN_CRLOGIC(name, tcg_op, opc) \ 4389 static void glue(gen_, name)(DisasContext *ctx) \ 4390 { \ 4391 uint8_t bitmask; \ 4392 int sh; \ 4393 TCGv_i32 t0, t1; \ 4394 sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03); \ 4395 t0 = tcg_temp_new_i32(); \ 4396 if (sh > 0) \ 4397 tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh); \ 4398 else if (sh < 0) \ 4399 tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh); \ 4400 else \ 4401 tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]); \ 4402 t1 = tcg_temp_new_i32(); \ 4403 sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03); \ 4404 if (sh > 0) \ 4405 tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh); \ 4406 else if (sh < 0) \ 4407 tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh); \ 4408 else \ 4409 tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]); \ 4410 tcg_op(t0, t0, t1); \ 4411 bitmask = 0x08 >> (crbD(ctx->opcode) & 0x03); \ 4412 tcg_gen_andi_i32(t0, t0, bitmask); \ 4413 tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask); \ 4414 tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1); \ 4415 tcg_temp_free_i32(t0); \ 4416 tcg_temp_free_i32(t1); \ 4417 } 4418 4419 /* crand */ 4420 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08); 4421 /* crandc */ 4422 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04); 4423 /* creqv */ 4424 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09); 4425 /* crnand */ 4426 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07); 4427 /* crnor */ 4428 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01); 4429 /* cror */ 4430 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E); 4431 /* crorc */ 4432 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D); 4433 /* crxor */ 4434 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06); 4435 4436 /* mcrf */ 4437 static void gen_mcrf(DisasContext *ctx) 4438 { 4439 tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]); 4440 } 4441 4442 /*** System linkage ***/ 4443 4444 /* rfi (supervisor only) */ 4445 static void gen_rfi(DisasContext *ctx) 4446 { 4447 #if defined(CONFIG_USER_ONLY) 4448 GEN_PRIV; 4449 #else 4450 /* 4451 * This instruction doesn't exist anymore on 64-bit server 4452 * processors compliant with arch 2.x 4453 */ 4454 if (is_book3s_arch2x(ctx)) { 4455 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 4456 return; 4457 } 4458 /* Restore CPU state */ 4459 CHK_SV; 4460 gen_icount_io_start(ctx); 4461 gen_update_cfar(ctx, ctx->cia); 4462 gen_helper_rfi(cpu_env); 4463 ctx->base.is_jmp = DISAS_EXIT; 4464 #endif 4465 } 4466 4467 #if defined(TARGET_PPC64) 4468 static void gen_rfid(DisasContext *ctx) 4469 { 4470 #if defined(CONFIG_USER_ONLY) 4471 GEN_PRIV; 4472 #else 4473 /* Restore CPU state */ 4474 CHK_SV; 4475 gen_icount_io_start(ctx); 4476 gen_update_cfar(ctx, ctx->cia); 4477 gen_helper_rfid(cpu_env); 4478 ctx->base.is_jmp = DISAS_EXIT; 4479 #endif 4480 } 4481 4482 #if !defined(CONFIG_USER_ONLY) 4483 static void gen_rfscv(DisasContext *ctx) 4484 { 4485 #if defined(CONFIG_USER_ONLY) 4486 GEN_PRIV; 4487 #else 4488 /* Restore CPU state */ 4489 CHK_SV; 4490 gen_icount_io_start(ctx); 4491 gen_update_cfar(ctx, ctx->cia); 4492 gen_helper_rfscv(cpu_env); 4493 ctx->base.is_jmp = DISAS_EXIT; 4494 #endif 4495 } 4496 #endif 4497 4498 static void gen_hrfid(DisasContext *ctx) 4499 { 4500 #if defined(CONFIG_USER_ONLY) 4501 GEN_PRIV; 4502 #else 4503 /* Restore CPU state */ 4504 CHK_HV; 4505 gen_helper_hrfid(cpu_env); 4506 ctx->base.is_jmp = DISAS_EXIT; 4507 #endif 4508 } 4509 #endif 4510 4511 /* sc */ 4512 #if defined(CONFIG_USER_ONLY) 4513 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER 4514 #else 4515 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL 4516 #define POWERPC_SYSCALL_VECTORED POWERPC_EXCP_SYSCALL_VECTORED 4517 #endif 4518 static void gen_sc(DisasContext *ctx) 4519 { 4520 uint32_t lev; 4521 4522 lev = (ctx->opcode >> 5) & 0x7F; 4523 gen_exception_err(ctx, POWERPC_SYSCALL, lev); 4524 } 4525 4526 #if defined(TARGET_PPC64) 4527 #if !defined(CONFIG_USER_ONLY) 4528 static void gen_scv(DisasContext *ctx) 4529 { 4530 uint32_t lev = (ctx->opcode >> 5) & 0x7F; 4531 4532 /* Set the PC back to the faulting instruction. */ 4533 gen_update_nip(ctx, ctx->cia); 4534 gen_helper_scv(cpu_env, tcg_constant_i32(lev)); 4535 4536 ctx->base.is_jmp = DISAS_NORETURN; 4537 } 4538 #endif 4539 #endif 4540 4541 /*** Trap ***/ 4542 4543 /* Check for unconditional traps (always or never) */ 4544 static bool check_unconditional_trap(DisasContext *ctx) 4545 { 4546 /* Trap never */ 4547 if (TO(ctx->opcode) == 0) { 4548 return true; 4549 } 4550 /* Trap always */ 4551 if (TO(ctx->opcode) == 31) { 4552 gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP); 4553 return true; 4554 } 4555 return false; 4556 } 4557 4558 /* tw */ 4559 static void gen_tw(DisasContext *ctx) 4560 { 4561 TCGv_i32 t0; 4562 4563 if (check_unconditional_trap(ctx)) { 4564 return; 4565 } 4566 t0 = tcg_const_i32(TO(ctx->opcode)); 4567 gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 4568 t0); 4569 tcg_temp_free_i32(t0); 4570 } 4571 4572 /* twi */ 4573 static void gen_twi(DisasContext *ctx) 4574 { 4575 TCGv t0; 4576 TCGv_i32 t1; 4577 4578 if (check_unconditional_trap(ctx)) { 4579 return; 4580 } 4581 t0 = tcg_const_tl(SIMM(ctx->opcode)); 4582 t1 = tcg_const_i32(TO(ctx->opcode)); 4583 gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1); 4584 tcg_temp_free(t0); 4585 tcg_temp_free_i32(t1); 4586 } 4587 4588 #if defined(TARGET_PPC64) 4589 /* td */ 4590 static void gen_td(DisasContext *ctx) 4591 { 4592 TCGv_i32 t0; 4593 4594 if (check_unconditional_trap(ctx)) { 4595 return; 4596 } 4597 t0 = tcg_const_i32(TO(ctx->opcode)); 4598 gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 4599 t0); 4600 tcg_temp_free_i32(t0); 4601 } 4602 4603 /* tdi */ 4604 static void gen_tdi(DisasContext *ctx) 4605 { 4606 TCGv t0; 4607 TCGv_i32 t1; 4608 4609 if (check_unconditional_trap(ctx)) { 4610 return; 4611 } 4612 t0 = tcg_const_tl(SIMM(ctx->opcode)); 4613 t1 = tcg_const_i32(TO(ctx->opcode)); 4614 gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1); 4615 tcg_temp_free(t0); 4616 tcg_temp_free_i32(t1); 4617 } 4618 #endif 4619 4620 /*** Processor control ***/ 4621 4622 /* mcrxr */ 4623 static void gen_mcrxr(DisasContext *ctx) 4624 { 4625 TCGv_i32 t0 = tcg_temp_new_i32(); 4626 TCGv_i32 t1 = tcg_temp_new_i32(); 4627 TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)]; 4628 4629 tcg_gen_trunc_tl_i32(t0, cpu_so); 4630 tcg_gen_trunc_tl_i32(t1, cpu_ov); 4631 tcg_gen_trunc_tl_i32(dst, cpu_ca); 4632 tcg_gen_shli_i32(t0, t0, 3); 4633 tcg_gen_shli_i32(t1, t1, 2); 4634 tcg_gen_shli_i32(dst, dst, 1); 4635 tcg_gen_or_i32(dst, dst, t0); 4636 tcg_gen_or_i32(dst, dst, t1); 4637 tcg_temp_free_i32(t0); 4638 tcg_temp_free_i32(t1); 4639 4640 tcg_gen_movi_tl(cpu_so, 0); 4641 tcg_gen_movi_tl(cpu_ov, 0); 4642 tcg_gen_movi_tl(cpu_ca, 0); 4643 } 4644 4645 #ifdef TARGET_PPC64 4646 /* mcrxrx */ 4647 static void gen_mcrxrx(DisasContext *ctx) 4648 { 4649 TCGv t0 = tcg_temp_new(); 4650 TCGv t1 = tcg_temp_new(); 4651 TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)]; 4652 4653 /* copy OV and OV32 */ 4654 tcg_gen_shli_tl(t0, cpu_ov, 1); 4655 tcg_gen_or_tl(t0, t0, cpu_ov32); 4656 tcg_gen_shli_tl(t0, t0, 2); 4657 /* copy CA and CA32 */ 4658 tcg_gen_shli_tl(t1, cpu_ca, 1); 4659 tcg_gen_or_tl(t1, t1, cpu_ca32); 4660 tcg_gen_or_tl(t0, t0, t1); 4661 tcg_gen_trunc_tl_i32(dst, t0); 4662 tcg_temp_free(t0); 4663 tcg_temp_free(t1); 4664 } 4665 #endif 4666 4667 /* mfcr mfocrf */ 4668 static void gen_mfcr(DisasContext *ctx) 4669 { 4670 uint32_t crm, crn; 4671 4672 if (likely(ctx->opcode & 0x00100000)) { 4673 crm = CRM(ctx->opcode); 4674 if (likely(crm && ((crm & (crm - 1)) == 0))) { 4675 crn = ctz32(crm); 4676 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]); 4677 tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], 4678 cpu_gpr[rD(ctx->opcode)], crn * 4); 4679 } 4680 } else { 4681 TCGv_i32 t0 = tcg_temp_new_i32(); 4682 tcg_gen_mov_i32(t0, cpu_crf[0]); 4683 tcg_gen_shli_i32(t0, t0, 4); 4684 tcg_gen_or_i32(t0, t0, cpu_crf[1]); 4685 tcg_gen_shli_i32(t0, t0, 4); 4686 tcg_gen_or_i32(t0, t0, cpu_crf[2]); 4687 tcg_gen_shli_i32(t0, t0, 4); 4688 tcg_gen_or_i32(t0, t0, cpu_crf[3]); 4689 tcg_gen_shli_i32(t0, t0, 4); 4690 tcg_gen_or_i32(t0, t0, cpu_crf[4]); 4691 tcg_gen_shli_i32(t0, t0, 4); 4692 tcg_gen_or_i32(t0, t0, cpu_crf[5]); 4693 tcg_gen_shli_i32(t0, t0, 4); 4694 tcg_gen_or_i32(t0, t0, cpu_crf[6]); 4695 tcg_gen_shli_i32(t0, t0, 4); 4696 tcg_gen_or_i32(t0, t0, cpu_crf[7]); 4697 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0); 4698 tcg_temp_free_i32(t0); 4699 } 4700 } 4701 4702 /* mfmsr */ 4703 static void gen_mfmsr(DisasContext *ctx) 4704 { 4705 CHK_SV; 4706 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr); 4707 } 4708 4709 /* mfspr */ 4710 static inline void gen_op_mfspr(DisasContext *ctx) 4711 { 4712 void (*read_cb)(DisasContext *ctx, int gprn, int sprn); 4713 uint32_t sprn = SPR(ctx->opcode); 4714 4715 #if defined(CONFIG_USER_ONLY) 4716 read_cb = ctx->spr_cb[sprn].uea_read; 4717 #else 4718 if (ctx->pr) { 4719 read_cb = ctx->spr_cb[sprn].uea_read; 4720 } else if (ctx->hv) { 4721 read_cb = ctx->spr_cb[sprn].hea_read; 4722 } else { 4723 read_cb = ctx->spr_cb[sprn].oea_read; 4724 } 4725 #endif 4726 if (likely(read_cb != NULL)) { 4727 if (likely(read_cb != SPR_NOACCESS)) { 4728 (*read_cb)(ctx, rD(ctx->opcode), sprn); 4729 } else { 4730 /* Privilege exception */ 4731 /* 4732 * This is a hack to avoid warnings when running Linux: 4733 * this OS breaks the PowerPC virtualisation model, 4734 * allowing userland application to read the PVR 4735 */ 4736 if (sprn != SPR_PVR) { 4737 qemu_log_mask(LOG_GUEST_ERROR, "Trying to read privileged spr " 4738 "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn, 4739 ctx->cia); 4740 } 4741 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG); 4742 } 4743 } else { 4744 /* ISA 2.07 defines these as no-ops */ 4745 if ((ctx->insns_flags2 & PPC2_ISA207S) && 4746 (sprn >= 808 && sprn <= 811)) { 4747 /* This is a nop */ 4748 return; 4749 } 4750 /* Not defined */ 4751 qemu_log_mask(LOG_GUEST_ERROR, 4752 "Trying to read invalid spr %d (0x%03x) at " 4753 TARGET_FMT_lx "\n", sprn, sprn, ctx->cia); 4754 4755 /* 4756 * The behaviour depends on MSR:PR and SPR# bit 0x10, it can 4757 * generate a priv, a hv emu or a no-op 4758 */ 4759 if (sprn & 0x10) { 4760 if (ctx->pr) { 4761 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR); 4762 } 4763 } else { 4764 if (ctx->pr || sprn == 0 || sprn == 4 || sprn == 5 || sprn == 6) { 4765 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR); 4766 } 4767 } 4768 } 4769 } 4770 4771 static void gen_mfspr(DisasContext *ctx) 4772 { 4773 gen_op_mfspr(ctx); 4774 } 4775 4776 /* mftb */ 4777 static void gen_mftb(DisasContext *ctx) 4778 { 4779 gen_op_mfspr(ctx); 4780 } 4781 4782 /* mtcrf mtocrf*/ 4783 static void gen_mtcrf(DisasContext *ctx) 4784 { 4785 uint32_t crm, crn; 4786 4787 crm = CRM(ctx->opcode); 4788 if (likely((ctx->opcode & 0x00100000))) { 4789 if (crm && ((crm & (crm - 1)) == 0)) { 4790 TCGv_i32 temp = tcg_temp_new_i32(); 4791 crn = ctz32(crm); 4792 tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]); 4793 tcg_gen_shri_i32(temp, temp, crn * 4); 4794 tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf); 4795 tcg_temp_free_i32(temp); 4796 } 4797 } else { 4798 TCGv_i32 temp = tcg_temp_new_i32(); 4799 tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]); 4800 for (crn = 0 ; crn < 8 ; crn++) { 4801 if (crm & (1 << crn)) { 4802 tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4); 4803 tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf); 4804 } 4805 } 4806 tcg_temp_free_i32(temp); 4807 } 4808 } 4809 4810 /* mtmsr */ 4811 #if defined(TARGET_PPC64) 4812 static void gen_mtmsrd(DisasContext *ctx) 4813 { 4814 if (unlikely(!is_book3s_arch2x(ctx))) { 4815 gen_invalid(ctx); 4816 return; 4817 } 4818 4819 CHK_SV; 4820 4821 #if !defined(CONFIG_USER_ONLY) 4822 TCGv t0, t1; 4823 target_ulong mask; 4824 4825 t0 = tcg_temp_new(); 4826 t1 = tcg_temp_new(); 4827 4828 gen_icount_io_start(ctx); 4829 4830 if (ctx->opcode & 0x00010000) { 4831 /* L=1 form only updates EE and RI */ 4832 mask = (1ULL << MSR_RI) | (1ULL << MSR_EE); 4833 } else { 4834 /* mtmsrd does not alter HV, S, ME, or LE */ 4835 mask = ~((1ULL << MSR_LE) | (1ULL << MSR_ME) | (1ULL << MSR_S) | 4836 (1ULL << MSR_HV)); 4837 /* 4838 * XXX: we need to update nip before the store if we enter 4839 * power saving mode, we will exit the loop directly from 4840 * ppc_store_msr 4841 */ 4842 gen_update_nip(ctx, ctx->base.pc_next); 4843 } 4844 4845 tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], mask); 4846 tcg_gen_andi_tl(t1, cpu_msr, ~mask); 4847 tcg_gen_or_tl(t0, t0, t1); 4848 4849 gen_helper_store_msr(cpu_env, t0); 4850 4851 /* Must stop the translation as machine state (may have) changed */ 4852 ctx->base.is_jmp = DISAS_EXIT_UPDATE; 4853 4854 tcg_temp_free(t0); 4855 tcg_temp_free(t1); 4856 #endif /* !defined(CONFIG_USER_ONLY) */ 4857 } 4858 #endif /* defined(TARGET_PPC64) */ 4859 4860 static void gen_mtmsr(DisasContext *ctx) 4861 { 4862 CHK_SV; 4863 4864 #if !defined(CONFIG_USER_ONLY) 4865 TCGv t0, t1; 4866 target_ulong mask = 0xFFFFFFFF; 4867 4868 t0 = tcg_temp_new(); 4869 t1 = tcg_temp_new(); 4870 4871 gen_icount_io_start(ctx); 4872 if (ctx->opcode & 0x00010000) { 4873 /* L=1 form only updates EE and RI */ 4874 mask &= (1ULL << MSR_RI) | (1ULL << MSR_EE); 4875 } else { 4876 /* mtmsr does not alter S, ME, or LE */ 4877 mask &= ~((1ULL << MSR_LE) | (1ULL << MSR_ME) | (1ULL << MSR_S)); 4878 4879 /* 4880 * XXX: we need to update nip before the store if we enter 4881 * power saving mode, we will exit the loop directly from 4882 * ppc_store_msr 4883 */ 4884 gen_update_nip(ctx, ctx->base.pc_next); 4885 } 4886 4887 tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], mask); 4888 tcg_gen_andi_tl(t1, cpu_msr, ~mask); 4889 tcg_gen_or_tl(t0, t0, t1); 4890 4891 gen_helper_store_msr(cpu_env, t0); 4892 4893 /* Must stop the translation as machine state (may have) changed */ 4894 ctx->base.is_jmp = DISAS_EXIT_UPDATE; 4895 4896 tcg_temp_free(t0); 4897 tcg_temp_free(t1); 4898 #endif 4899 } 4900 4901 /* mtspr */ 4902 static void gen_mtspr(DisasContext *ctx) 4903 { 4904 void (*write_cb)(DisasContext *ctx, int sprn, int gprn); 4905 uint32_t sprn = SPR(ctx->opcode); 4906 4907 #if defined(CONFIG_USER_ONLY) 4908 write_cb = ctx->spr_cb[sprn].uea_write; 4909 #else 4910 if (ctx->pr) { 4911 write_cb = ctx->spr_cb[sprn].uea_write; 4912 } else if (ctx->hv) { 4913 write_cb = ctx->spr_cb[sprn].hea_write; 4914 } else { 4915 write_cb = ctx->spr_cb[sprn].oea_write; 4916 } 4917 #endif 4918 if (likely(write_cb != NULL)) { 4919 if (likely(write_cb != SPR_NOACCESS)) { 4920 (*write_cb)(ctx, sprn, rS(ctx->opcode)); 4921 } else { 4922 /* Privilege exception */ 4923 qemu_log_mask(LOG_GUEST_ERROR, "Trying to write privileged spr " 4924 "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn, 4925 ctx->cia); 4926 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG); 4927 } 4928 } else { 4929 /* ISA 2.07 defines these as no-ops */ 4930 if ((ctx->insns_flags2 & PPC2_ISA207S) && 4931 (sprn >= 808 && sprn <= 811)) { 4932 /* This is a nop */ 4933 return; 4934 } 4935 4936 /* Not defined */ 4937 qemu_log_mask(LOG_GUEST_ERROR, 4938 "Trying to write invalid spr %d (0x%03x) at " 4939 TARGET_FMT_lx "\n", sprn, sprn, ctx->cia); 4940 4941 4942 /* 4943 * The behaviour depends on MSR:PR and SPR# bit 0x10, it can 4944 * generate a priv, a hv emu or a no-op 4945 */ 4946 if (sprn & 0x10) { 4947 if (ctx->pr) { 4948 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR); 4949 } 4950 } else { 4951 if (ctx->pr || sprn == 0) { 4952 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR); 4953 } 4954 } 4955 } 4956 } 4957 4958 #if defined(TARGET_PPC64) 4959 /* setb */ 4960 static void gen_setb(DisasContext *ctx) 4961 { 4962 TCGv_i32 t0 = tcg_temp_new_i32(); 4963 TCGv_i32 t8 = tcg_constant_i32(8); 4964 TCGv_i32 tm1 = tcg_constant_i32(-1); 4965 int crf = crfS(ctx->opcode); 4966 4967 tcg_gen_setcondi_i32(TCG_COND_GEU, t0, cpu_crf[crf], 4); 4968 tcg_gen_movcond_i32(TCG_COND_GEU, t0, cpu_crf[crf], t8, tm1, t0); 4969 tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0); 4970 4971 tcg_temp_free_i32(t0); 4972 } 4973 #endif 4974 4975 /*** Cache management ***/ 4976 4977 /* dcbf */ 4978 static void gen_dcbf(DisasContext *ctx) 4979 { 4980 /* XXX: specification says this is treated as a load by the MMU */ 4981 TCGv t0; 4982 gen_set_access_type(ctx, ACCESS_CACHE); 4983 t0 = tcg_temp_new(); 4984 gen_addr_reg_index(ctx, t0); 4985 gen_qemu_ld8u(ctx, t0, t0); 4986 tcg_temp_free(t0); 4987 } 4988 4989 /* dcbfep (external PID dcbf) */ 4990 static void gen_dcbfep(DisasContext *ctx) 4991 { 4992 /* XXX: specification says this is treated as a load by the MMU */ 4993 TCGv t0; 4994 CHK_SV; 4995 gen_set_access_type(ctx, ACCESS_CACHE); 4996 t0 = tcg_temp_new(); 4997 gen_addr_reg_index(ctx, t0); 4998 tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB)); 4999 tcg_temp_free(t0); 5000 } 5001 5002 /* dcbi (Supervisor only) */ 5003 static void gen_dcbi(DisasContext *ctx) 5004 { 5005 #if defined(CONFIG_USER_ONLY) 5006 GEN_PRIV; 5007 #else 5008 TCGv EA, val; 5009 5010 CHK_SV; 5011 EA = tcg_temp_new(); 5012 gen_set_access_type(ctx, ACCESS_CACHE); 5013 gen_addr_reg_index(ctx, EA); 5014 val = tcg_temp_new(); 5015 /* XXX: specification says this should be treated as a store by the MMU */ 5016 gen_qemu_ld8u(ctx, val, EA); 5017 gen_qemu_st8(ctx, val, EA); 5018 tcg_temp_free(val); 5019 tcg_temp_free(EA); 5020 #endif /* defined(CONFIG_USER_ONLY) */ 5021 } 5022 5023 /* dcdst */ 5024 static void gen_dcbst(DisasContext *ctx) 5025 { 5026 /* XXX: specification say this is treated as a load by the MMU */ 5027 TCGv t0; 5028 gen_set_access_type(ctx, ACCESS_CACHE); 5029 t0 = tcg_temp_new(); 5030 gen_addr_reg_index(ctx, t0); 5031 gen_qemu_ld8u(ctx, t0, t0); 5032 tcg_temp_free(t0); 5033 } 5034 5035 /* dcbstep (dcbstep External PID version) */ 5036 static void gen_dcbstep(DisasContext *ctx) 5037 { 5038 /* XXX: specification say this is treated as a load by the MMU */ 5039 TCGv t0; 5040 gen_set_access_type(ctx, ACCESS_CACHE); 5041 t0 = tcg_temp_new(); 5042 gen_addr_reg_index(ctx, t0); 5043 tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB)); 5044 tcg_temp_free(t0); 5045 } 5046 5047 /* dcbt */ 5048 static void gen_dcbt(DisasContext *ctx) 5049 { 5050 /* 5051 * interpreted as no-op 5052 * XXX: specification say this is treated as a load by the MMU but 5053 * does not generate any exception 5054 */ 5055 } 5056 5057 /* dcbtep */ 5058 static void gen_dcbtep(DisasContext *ctx) 5059 { 5060 /* 5061 * interpreted as no-op 5062 * XXX: specification say this is treated as a load by the MMU but 5063 * does not generate any exception 5064 */ 5065 } 5066 5067 /* dcbtst */ 5068 static void gen_dcbtst(DisasContext *ctx) 5069 { 5070 /* 5071 * interpreted as no-op 5072 * XXX: specification say this is treated as a load by the MMU but 5073 * does not generate any exception 5074 */ 5075 } 5076 5077 /* dcbtstep */ 5078 static void gen_dcbtstep(DisasContext *ctx) 5079 { 5080 /* 5081 * interpreted as no-op 5082 * XXX: specification say this is treated as a load by the MMU but 5083 * does not generate any exception 5084 */ 5085 } 5086 5087 /* dcbtls */ 5088 static void gen_dcbtls(DisasContext *ctx) 5089 { 5090 /* Always fails locking the cache */ 5091 TCGv t0 = tcg_temp_new(); 5092 gen_load_spr(t0, SPR_Exxx_L1CSR0); 5093 tcg_gen_ori_tl(t0, t0, L1CSR0_CUL); 5094 gen_store_spr(SPR_Exxx_L1CSR0, t0); 5095 tcg_temp_free(t0); 5096 } 5097 5098 /* dcbz */ 5099 static void gen_dcbz(DisasContext *ctx) 5100 { 5101 TCGv tcgv_addr; 5102 TCGv_i32 tcgv_op; 5103 5104 gen_set_access_type(ctx, ACCESS_CACHE); 5105 tcgv_addr = tcg_temp_new(); 5106 tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000); 5107 gen_addr_reg_index(ctx, tcgv_addr); 5108 gen_helper_dcbz(cpu_env, tcgv_addr, tcgv_op); 5109 tcg_temp_free(tcgv_addr); 5110 tcg_temp_free_i32(tcgv_op); 5111 } 5112 5113 /* dcbzep */ 5114 static void gen_dcbzep(DisasContext *ctx) 5115 { 5116 TCGv tcgv_addr; 5117 TCGv_i32 tcgv_op; 5118 5119 gen_set_access_type(ctx, ACCESS_CACHE); 5120 tcgv_addr = tcg_temp_new(); 5121 tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000); 5122 gen_addr_reg_index(ctx, tcgv_addr); 5123 gen_helper_dcbzep(cpu_env, tcgv_addr, tcgv_op); 5124 tcg_temp_free(tcgv_addr); 5125 tcg_temp_free_i32(tcgv_op); 5126 } 5127 5128 /* dst / dstt */ 5129 static void gen_dst(DisasContext *ctx) 5130 { 5131 if (rA(ctx->opcode) == 0) { 5132 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 5133 } else { 5134 /* interpreted as no-op */ 5135 } 5136 } 5137 5138 /* dstst /dststt */ 5139 static void gen_dstst(DisasContext *ctx) 5140 { 5141 if (rA(ctx->opcode) == 0) { 5142 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 5143 } else { 5144 /* interpreted as no-op */ 5145 } 5146 5147 } 5148 5149 /* dss / dssall */ 5150 static void gen_dss(DisasContext *ctx) 5151 { 5152 /* interpreted as no-op */ 5153 } 5154 5155 /* icbi */ 5156 static void gen_icbi(DisasContext *ctx) 5157 { 5158 TCGv t0; 5159 gen_set_access_type(ctx, ACCESS_CACHE); 5160 t0 = tcg_temp_new(); 5161 gen_addr_reg_index(ctx, t0); 5162 gen_helper_icbi(cpu_env, t0); 5163 tcg_temp_free(t0); 5164 } 5165 5166 /* icbiep */ 5167 static void gen_icbiep(DisasContext *ctx) 5168 { 5169 TCGv t0; 5170 gen_set_access_type(ctx, ACCESS_CACHE); 5171 t0 = tcg_temp_new(); 5172 gen_addr_reg_index(ctx, t0); 5173 gen_helper_icbiep(cpu_env, t0); 5174 tcg_temp_free(t0); 5175 } 5176 5177 /* Optional: */ 5178 /* dcba */ 5179 static void gen_dcba(DisasContext *ctx) 5180 { 5181 /* 5182 * interpreted as no-op 5183 * XXX: specification say this is treated as a store by the MMU 5184 * but does not generate any exception 5185 */ 5186 } 5187 5188 /*** Segment register manipulation ***/ 5189 /* Supervisor only: */ 5190 5191 /* mfsr */ 5192 static void gen_mfsr(DisasContext *ctx) 5193 { 5194 #if defined(CONFIG_USER_ONLY) 5195 GEN_PRIV; 5196 #else 5197 TCGv t0; 5198 5199 CHK_SV; 5200 t0 = tcg_const_tl(SR(ctx->opcode)); 5201 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 5202 tcg_temp_free(t0); 5203 #endif /* defined(CONFIG_USER_ONLY) */ 5204 } 5205 5206 /* mfsrin */ 5207 static void gen_mfsrin(DisasContext *ctx) 5208 { 5209 #if defined(CONFIG_USER_ONLY) 5210 GEN_PRIV; 5211 #else 5212 TCGv t0; 5213 5214 CHK_SV; 5215 t0 = tcg_temp_new(); 5216 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4); 5217 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 5218 tcg_temp_free(t0); 5219 #endif /* defined(CONFIG_USER_ONLY) */ 5220 } 5221 5222 /* mtsr */ 5223 static void gen_mtsr(DisasContext *ctx) 5224 { 5225 #if defined(CONFIG_USER_ONLY) 5226 GEN_PRIV; 5227 #else 5228 TCGv t0; 5229 5230 CHK_SV; 5231 t0 = tcg_const_tl(SR(ctx->opcode)); 5232 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]); 5233 tcg_temp_free(t0); 5234 #endif /* defined(CONFIG_USER_ONLY) */ 5235 } 5236 5237 /* mtsrin */ 5238 static void gen_mtsrin(DisasContext *ctx) 5239 { 5240 #if defined(CONFIG_USER_ONLY) 5241 GEN_PRIV; 5242 #else 5243 TCGv t0; 5244 CHK_SV; 5245 5246 t0 = tcg_temp_new(); 5247 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4); 5248 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rD(ctx->opcode)]); 5249 tcg_temp_free(t0); 5250 #endif /* defined(CONFIG_USER_ONLY) */ 5251 } 5252 5253 #if defined(TARGET_PPC64) 5254 /* Specific implementation for PowerPC 64 "bridge" emulation using SLB */ 5255 5256 /* mfsr */ 5257 static void gen_mfsr_64b(DisasContext *ctx) 5258 { 5259 #if defined(CONFIG_USER_ONLY) 5260 GEN_PRIV; 5261 #else 5262 TCGv t0; 5263 5264 CHK_SV; 5265 t0 = tcg_const_tl(SR(ctx->opcode)); 5266 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 5267 tcg_temp_free(t0); 5268 #endif /* defined(CONFIG_USER_ONLY) */ 5269 } 5270 5271 /* mfsrin */ 5272 static void gen_mfsrin_64b(DisasContext *ctx) 5273 { 5274 #if defined(CONFIG_USER_ONLY) 5275 GEN_PRIV; 5276 #else 5277 TCGv t0; 5278 5279 CHK_SV; 5280 t0 = tcg_temp_new(); 5281 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4); 5282 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 5283 tcg_temp_free(t0); 5284 #endif /* defined(CONFIG_USER_ONLY) */ 5285 } 5286 5287 /* mtsr */ 5288 static void gen_mtsr_64b(DisasContext *ctx) 5289 { 5290 #if defined(CONFIG_USER_ONLY) 5291 GEN_PRIV; 5292 #else 5293 TCGv t0; 5294 5295 CHK_SV; 5296 t0 = tcg_const_tl(SR(ctx->opcode)); 5297 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]); 5298 tcg_temp_free(t0); 5299 #endif /* defined(CONFIG_USER_ONLY) */ 5300 } 5301 5302 /* mtsrin */ 5303 static void gen_mtsrin_64b(DisasContext *ctx) 5304 { 5305 #if defined(CONFIG_USER_ONLY) 5306 GEN_PRIV; 5307 #else 5308 TCGv t0; 5309 5310 CHK_SV; 5311 t0 = tcg_temp_new(); 5312 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4); 5313 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]); 5314 tcg_temp_free(t0); 5315 #endif /* defined(CONFIG_USER_ONLY) */ 5316 } 5317 5318 /* slbmte */ 5319 static void gen_slbmte(DisasContext *ctx) 5320 { 5321 #if defined(CONFIG_USER_ONLY) 5322 GEN_PRIV; 5323 #else 5324 CHK_SV; 5325 5326 gen_helper_store_slb(cpu_env, cpu_gpr[rB(ctx->opcode)], 5327 cpu_gpr[rS(ctx->opcode)]); 5328 #endif /* defined(CONFIG_USER_ONLY) */ 5329 } 5330 5331 static void gen_slbmfee(DisasContext *ctx) 5332 { 5333 #if defined(CONFIG_USER_ONLY) 5334 GEN_PRIV; 5335 #else 5336 CHK_SV; 5337 5338 gen_helper_load_slb_esid(cpu_gpr[rS(ctx->opcode)], cpu_env, 5339 cpu_gpr[rB(ctx->opcode)]); 5340 #endif /* defined(CONFIG_USER_ONLY) */ 5341 } 5342 5343 static void gen_slbmfev(DisasContext *ctx) 5344 { 5345 #if defined(CONFIG_USER_ONLY) 5346 GEN_PRIV; 5347 #else 5348 CHK_SV; 5349 5350 gen_helper_load_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env, 5351 cpu_gpr[rB(ctx->opcode)]); 5352 #endif /* defined(CONFIG_USER_ONLY) */ 5353 } 5354 5355 static void gen_slbfee_(DisasContext *ctx) 5356 { 5357 #if defined(CONFIG_USER_ONLY) 5358 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); 5359 #else 5360 TCGLabel *l1, *l2; 5361 5362 if (unlikely(ctx->pr)) { 5363 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); 5364 return; 5365 } 5366 gen_helper_find_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env, 5367 cpu_gpr[rB(ctx->opcode)]); 5368 l1 = gen_new_label(); 5369 l2 = gen_new_label(); 5370 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 5371 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rS(ctx->opcode)], -1, l1); 5372 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ); 5373 tcg_gen_br(l2); 5374 gen_set_label(l1); 5375 tcg_gen_movi_tl(cpu_gpr[rS(ctx->opcode)], 0); 5376 gen_set_label(l2); 5377 #endif 5378 } 5379 #endif /* defined(TARGET_PPC64) */ 5380 5381 /*** Lookaside buffer management ***/ 5382 /* Optional & supervisor only: */ 5383 5384 /* tlbia */ 5385 static void gen_tlbia(DisasContext *ctx) 5386 { 5387 #if defined(CONFIG_USER_ONLY) 5388 GEN_PRIV; 5389 #else 5390 CHK_HV; 5391 5392 gen_helper_tlbia(cpu_env); 5393 #endif /* defined(CONFIG_USER_ONLY) */ 5394 } 5395 5396 /* tlbiel */ 5397 static void gen_tlbiel(DisasContext *ctx) 5398 { 5399 #if defined(CONFIG_USER_ONLY) 5400 GEN_PRIV; 5401 #else 5402 bool psr = (ctx->opcode >> 17) & 0x1; 5403 5404 if (ctx->pr || (!ctx->hv && !psr && ctx->hr)) { 5405 /* 5406 * tlbiel is privileged except when PSR=0 and HR=1, making it 5407 * hypervisor privileged. 5408 */ 5409 GEN_PRIV; 5410 } 5411 5412 gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5413 #endif /* defined(CONFIG_USER_ONLY) */ 5414 } 5415 5416 /* tlbie */ 5417 static void gen_tlbie(DisasContext *ctx) 5418 { 5419 #if defined(CONFIG_USER_ONLY) 5420 GEN_PRIV; 5421 #else 5422 bool psr = (ctx->opcode >> 17) & 0x1; 5423 TCGv_i32 t1; 5424 5425 if (ctx->pr) { 5426 /* tlbie is privileged... */ 5427 GEN_PRIV; 5428 } else if (!ctx->hv) { 5429 if (!ctx->gtse || (!psr && ctx->hr)) { 5430 /* 5431 * ... except when GTSE=0 or when PSR=0 and HR=1, making it 5432 * hypervisor privileged. 5433 */ 5434 GEN_PRIV; 5435 } 5436 } 5437 5438 if (NARROW_MODE(ctx)) { 5439 TCGv t0 = tcg_temp_new(); 5440 tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]); 5441 gen_helper_tlbie(cpu_env, t0); 5442 tcg_temp_free(t0); 5443 } else { 5444 gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5445 } 5446 t1 = tcg_temp_new_i32(); 5447 tcg_gen_ld_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush)); 5448 tcg_gen_ori_i32(t1, t1, TLB_NEED_GLOBAL_FLUSH); 5449 tcg_gen_st_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush)); 5450 tcg_temp_free_i32(t1); 5451 #endif /* defined(CONFIG_USER_ONLY) */ 5452 } 5453 5454 /* tlbsync */ 5455 static void gen_tlbsync(DisasContext *ctx) 5456 { 5457 #if defined(CONFIG_USER_ONLY) 5458 GEN_PRIV; 5459 #else 5460 5461 if (ctx->gtse) { 5462 CHK_SV; /* If gtse is set then tlbsync is supervisor privileged */ 5463 } else { 5464 CHK_HV; /* Else hypervisor privileged */ 5465 } 5466 5467 /* BookS does both ptesync and tlbsync make tlbsync a nop for server */ 5468 if (ctx->insns_flags & PPC_BOOKE) { 5469 gen_check_tlb_flush(ctx, true); 5470 } 5471 #endif /* defined(CONFIG_USER_ONLY) */ 5472 } 5473 5474 #if defined(TARGET_PPC64) 5475 /* slbia */ 5476 static void gen_slbia(DisasContext *ctx) 5477 { 5478 #if defined(CONFIG_USER_ONLY) 5479 GEN_PRIV; 5480 #else 5481 uint32_t ih = (ctx->opcode >> 21) & 0x7; 5482 TCGv_i32 t0 = tcg_const_i32(ih); 5483 5484 CHK_SV; 5485 5486 gen_helper_slbia(cpu_env, t0); 5487 tcg_temp_free_i32(t0); 5488 #endif /* defined(CONFIG_USER_ONLY) */ 5489 } 5490 5491 /* slbie */ 5492 static void gen_slbie(DisasContext *ctx) 5493 { 5494 #if defined(CONFIG_USER_ONLY) 5495 GEN_PRIV; 5496 #else 5497 CHK_SV; 5498 5499 gen_helper_slbie(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5500 #endif /* defined(CONFIG_USER_ONLY) */ 5501 } 5502 5503 /* slbieg */ 5504 static void gen_slbieg(DisasContext *ctx) 5505 { 5506 #if defined(CONFIG_USER_ONLY) 5507 GEN_PRIV; 5508 #else 5509 CHK_SV; 5510 5511 gen_helper_slbieg(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5512 #endif /* defined(CONFIG_USER_ONLY) */ 5513 } 5514 5515 /* slbsync */ 5516 static void gen_slbsync(DisasContext *ctx) 5517 { 5518 #if defined(CONFIG_USER_ONLY) 5519 GEN_PRIV; 5520 #else 5521 CHK_SV; 5522 gen_check_tlb_flush(ctx, true); 5523 #endif /* defined(CONFIG_USER_ONLY) */ 5524 } 5525 5526 #endif /* defined(TARGET_PPC64) */ 5527 5528 /*** External control ***/ 5529 /* Optional: */ 5530 5531 /* eciwx */ 5532 static void gen_eciwx(DisasContext *ctx) 5533 { 5534 TCGv t0; 5535 /* Should check EAR[E] ! */ 5536 gen_set_access_type(ctx, ACCESS_EXT); 5537 t0 = tcg_temp_new(); 5538 gen_addr_reg_index(ctx, t0); 5539 tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx, 5540 DEF_MEMOP(MO_UL | MO_ALIGN)); 5541 tcg_temp_free(t0); 5542 } 5543 5544 /* ecowx */ 5545 static void gen_ecowx(DisasContext *ctx) 5546 { 5547 TCGv t0; 5548 /* Should check EAR[E] ! */ 5549 gen_set_access_type(ctx, ACCESS_EXT); 5550 t0 = tcg_temp_new(); 5551 gen_addr_reg_index(ctx, t0); 5552 tcg_gen_qemu_st_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx, 5553 DEF_MEMOP(MO_UL | MO_ALIGN)); 5554 tcg_temp_free(t0); 5555 } 5556 5557 /* 602 - 603 - G2 TLB management */ 5558 5559 /* tlbld */ 5560 static void gen_tlbld_6xx(DisasContext *ctx) 5561 { 5562 #if defined(CONFIG_USER_ONLY) 5563 GEN_PRIV; 5564 #else 5565 CHK_SV; 5566 gen_helper_6xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5567 #endif /* defined(CONFIG_USER_ONLY) */ 5568 } 5569 5570 /* tlbli */ 5571 static void gen_tlbli_6xx(DisasContext *ctx) 5572 { 5573 #if defined(CONFIG_USER_ONLY) 5574 GEN_PRIV; 5575 #else 5576 CHK_SV; 5577 gen_helper_6xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5578 #endif /* defined(CONFIG_USER_ONLY) */ 5579 } 5580 5581 /* BookE specific instructions */ 5582 5583 /* XXX: not implemented on 440 ? */ 5584 static void gen_mfapidi(DisasContext *ctx) 5585 { 5586 /* XXX: TODO */ 5587 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 5588 } 5589 5590 /* XXX: not implemented on 440 ? */ 5591 static void gen_tlbiva(DisasContext *ctx) 5592 { 5593 #if defined(CONFIG_USER_ONLY) 5594 GEN_PRIV; 5595 #else 5596 TCGv t0; 5597 5598 CHK_SV; 5599 t0 = tcg_temp_new(); 5600 gen_addr_reg_index(ctx, t0); 5601 gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5602 tcg_temp_free(t0); 5603 #endif /* defined(CONFIG_USER_ONLY) */ 5604 } 5605 5606 /* All 405 MAC instructions are translated here */ 5607 static inline void gen_405_mulladd_insn(DisasContext *ctx, int opc2, int opc3, 5608 int ra, int rb, int rt, int Rc) 5609 { 5610 TCGv t0, t1; 5611 5612 t0 = tcg_temp_local_new(); 5613 t1 = tcg_temp_local_new(); 5614 5615 switch (opc3 & 0x0D) { 5616 case 0x05: 5617 /* macchw - macchw. - macchwo - macchwo. */ 5618 /* macchws - macchws. - macchwso - macchwso. */ 5619 /* nmacchw - nmacchw. - nmacchwo - nmacchwo. */ 5620 /* nmacchws - nmacchws. - nmacchwso - nmacchwso. */ 5621 /* mulchw - mulchw. */ 5622 tcg_gen_ext16s_tl(t0, cpu_gpr[ra]); 5623 tcg_gen_sari_tl(t1, cpu_gpr[rb], 16); 5624 tcg_gen_ext16s_tl(t1, t1); 5625 break; 5626 case 0x04: 5627 /* macchwu - macchwu. - macchwuo - macchwuo. */ 5628 /* macchwsu - macchwsu. - macchwsuo - macchwsuo. */ 5629 /* mulchwu - mulchwu. */ 5630 tcg_gen_ext16u_tl(t0, cpu_gpr[ra]); 5631 tcg_gen_shri_tl(t1, cpu_gpr[rb], 16); 5632 tcg_gen_ext16u_tl(t1, t1); 5633 break; 5634 case 0x01: 5635 /* machhw - machhw. - machhwo - machhwo. */ 5636 /* machhws - machhws. - machhwso - machhwso. */ 5637 /* nmachhw - nmachhw. - nmachhwo - nmachhwo. */ 5638 /* nmachhws - nmachhws. - nmachhwso - nmachhwso. */ 5639 /* mulhhw - mulhhw. */ 5640 tcg_gen_sari_tl(t0, cpu_gpr[ra], 16); 5641 tcg_gen_ext16s_tl(t0, t0); 5642 tcg_gen_sari_tl(t1, cpu_gpr[rb], 16); 5643 tcg_gen_ext16s_tl(t1, t1); 5644 break; 5645 case 0x00: 5646 /* machhwu - machhwu. - machhwuo - machhwuo. */ 5647 /* machhwsu - machhwsu. - machhwsuo - machhwsuo. */ 5648 /* mulhhwu - mulhhwu. */ 5649 tcg_gen_shri_tl(t0, cpu_gpr[ra], 16); 5650 tcg_gen_ext16u_tl(t0, t0); 5651 tcg_gen_shri_tl(t1, cpu_gpr[rb], 16); 5652 tcg_gen_ext16u_tl(t1, t1); 5653 break; 5654 case 0x0D: 5655 /* maclhw - maclhw. - maclhwo - maclhwo. */ 5656 /* maclhws - maclhws. - maclhwso - maclhwso. */ 5657 /* nmaclhw - nmaclhw. - nmaclhwo - nmaclhwo. */ 5658 /* nmaclhws - nmaclhws. - nmaclhwso - nmaclhwso. */ 5659 /* mullhw - mullhw. */ 5660 tcg_gen_ext16s_tl(t0, cpu_gpr[ra]); 5661 tcg_gen_ext16s_tl(t1, cpu_gpr[rb]); 5662 break; 5663 case 0x0C: 5664 /* maclhwu - maclhwu. - maclhwuo - maclhwuo. */ 5665 /* maclhwsu - maclhwsu. - maclhwsuo - maclhwsuo. */ 5666 /* mullhwu - mullhwu. */ 5667 tcg_gen_ext16u_tl(t0, cpu_gpr[ra]); 5668 tcg_gen_ext16u_tl(t1, cpu_gpr[rb]); 5669 break; 5670 } 5671 if (opc2 & 0x04) { 5672 /* (n)multiply-and-accumulate (0x0C / 0x0E) */ 5673 tcg_gen_mul_tl(t1, t0, t1); 5674 if (opc2 & 0x02) { 5675 /* nmultiply-and-accumulate (0x0E) */ 5676 tcg_gen_sub_tl(t0, cpu_gpr[rt], t1); 5677 } else { 5678 /* multiply-and-accumulate (0x0C) */ 5679 tcg_gen_add_tl(t0, cpu_gpr[rt], t1); 5680 } 5681 5682 if (opc3 & 0x12) { 5683 /* Check overflow and/or saturate */ 5684 TCGLabel *l1 = gen_new_label(); 5685 5686 if (opc3 & 0x10) { 5687 /* Start with XER OV disabled, the most likely case */ 5688 tcg_gen_movi_tl(cpu_ov, 0); 5689 } 5690 if (opc3 & 0x01) { 5691 /* Signed */ 5692 tcg_gen_xor_tl(t1, cpu_gpr[rt], t1); 5693 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 5694 tcg_gen_xor_tl(t1, cpu_gpr[rt], t0); 5695 tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1); 5696 if (opc3 & 0x02) { 5697 /* Saturate */ 5698 tcg_gen_sari_tl(t0, cpu_gpr[rt], 31); 5699 tcg_gen_xori_tl(t0, t0, 0x7fffffff); 5700 } 5701 } else { 5702 /* Unsigned */ 5703 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1); 5704 if (opc3 & 0x02) { 5705 /* Saturate */ 5706 tcg_gen_movi_tl(t0, UINT32_MAX); 5707 } 5708 } 5709 if (opc3 & 0x10) { 5710 /* Check overflow */ 5711 tcg_gen_movi_tl(cpu_ov, 1); 5712 tcg_gen_movi_tl(cpu_so, 1); 5713 } 5714 gen_set_label(l1); 5715 tcg_gen_mov_tl(cpu_gpr[rt], t0); 5716 } 5717 } else { 5718 tcg_gen_mul_tl(cpu_gpr[rt], t0, t1); 5719 } 5720 tcg_temp_free(t0); 5721 tcg_temp_free(t1); 5722 if (unlikely(Rc) != 0) { 5723 /* Update Rc0 */ 5724 gen_set_Rc0(ctx, cpu_gpr[rt]); 5725 } 5726 } 5727 5728 #define GEN_MAC_HANDLER(name, opc2, opc3) \ 5729 static void glue(gen_, name)(DisasContext *ctx) \ 5730 { \ 5731 gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode), \ 5732 rD(ctx->opcode), Rc(ctx->opcode)); \ 5733 } 5734 5735 /* macchw - macchw. */ 5736 GEN_MAC_HANDLER(macchw, 0x0C, 0x05); 5737 /* macchwo - macchwo. */ 5738 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15); 5739 /* macchws - macchws. */ 5740 GEN_MAC_HANDLER(macchws, 0x0C, 0x07); 5741 /* macchwso - macchwso. */ 5742 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17); 5743 /* macchwsu - macchwsu. */ 5744 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06); 5745 /* macchwsuo - macchwsuo. */ 5746 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16); 5747 /* macchwu - macchwu. */ 5748 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04); 5749 /* macchwuo - macchwuo. */ 5750 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14); 5751 /* machhw - machhw. */ 5752 GEN_MAC_HANDLER(machhw, 0x0C, 0x01); 5753 /* machhwo - machhwo. */ 5754 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11); 5755 /* machhws - machhws. */ 5756 GEN_MAC_HANDLER(machhws, 0x0C, 0x03); 5757 /* machhwso - machhwso. */ 5758 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13); 5759 /* machhwsu - machhwsu. */ 5760 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02); 5761 /* machhwsuo - machhwsuo. */ 5762 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12); 5763 /* machhwu - machhwu. */ 5764 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00); 5765 /* machhwuo - machhwuo. */ 5766 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10); 5767 /* maclhw - maclhw. */ 5768 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D); 5769 /* maclhwo - maclhwo. */ 5770 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D); 5771 /* maclhws - maclhws. */ 5772 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F); 5773 /* maclhwso - maclhwso. */ 5774 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F); 5775 /* maclhwu - maclhwu. */ 5776 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C); 5777 /* maclhwuo - maclhwuo. */ 5778 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C); 5779 /* maclhwsu - maclhwsu. */ 5780 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E); 5781 /* maclhwsuo - maclhwsuo. */ 5782 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E); 5783 /* nmacchw - nmacchw. */ 5784 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05); 5785 /* nmacchwo - nmacchwo. */ 5786 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15); 5787 /* nmacchws - nmacchws. */ 5788 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07); 5789 /* nmacchwso - nmacchwso. */ 5790 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17); 5791 /* nmachhw - nmachhw. */ 5792 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01); 5793 /* nmachhwo - nmachhwo. */ 5794 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11); 5795 /* nmachhws - nmachhws. */ 5796 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03); 5797 /* nmachhwso - nmachhwso. */ 5798 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13); 5799 /* nmaclhw - nmaclhw. */ 5800 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D); 5801 /* nmaclhwo - nmaclhwo. */ 5802 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D); 5803 /* nmaclhws - nmaclhws. */ 5804 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F); 5805 /* nmaclhwso - nmaclhwso. */ 5806 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F); 5807 5808 /* mulchw - mulchw. */ 5809 GEN_MAC_HANDLER(mulchw, 0x08, 0x05); 5810 /* mulchwu - mulchwu. */ 5811 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04); 5812 /* mulhhw - mulhhw. */ 5813 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01); 5814 /* mulhhwu - mulhhwu. */ 5815 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00); 5816 /* mullhw - mullhw. */ 5817 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D); 5818 /* mullhwu - mullhwu. */ 5819 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C); 5820 5821 /* mfdcr */ 5822 static void gen_mfdcr(DisasContext *ctx) 5823 { 5824 #if defined(CONFIG_USER_ONLY) 5825 GEN_PRIV; 5826 #else 5827 TCGv dcrn; 5828 5829 CHK_SV; 5830 dcrn = tcg_const_tl(SPR(ctx->opcode)); 5831 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn); 5832 tcg_temp_free(dcrn); 5833 #endif /* defined(CONFIG_USER_ONLY) */ 5834 } 5835 5836 /* mtdcr */ 5837 static void gen_mtdcr(DisasContext *ctx) 5838 { 5839 #if defined(CONFIG_USER_ONLY) 5840 GEN_PRIV; 5841 #else 5842 TCGv dcrn; 5843 5844 CHK_SV; 5845 dcrn = tcg_const_tl(SPR(ctx->opcode)); 5846 gen_helper_store_dcr(cpu_env, dcrn, cpu_gpr[rS(ctx->opcode)]); 5847 tcg_temp_free(dcrn); 5848 #endif /* defined(CONFIG_USER_ONLY) */ 5849 } 5850 5851 /* mfdcrx */ 5852 /* XXX: not implemented on 440 ? */ 5853 static void gen_mfdcrx(DisasContext *ctx) 5854 { 5855 #if defined(CONFIG_USER_ONLY) 5856 GEN_PRIV; 5857 #else 5858 CHK_SV; 5859 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, 5860 cpu_gpr[rA(ctx->opcode)]); 5861 /* Note: Rc update flag set leads to undefined state of Rc0 */ 5862 #endif /* defined(CONFIG_USER_ONLY) */ 5863 } 5864 5865 /* mtdcrx */ 5866 /* XXX: not implemented on 440 ? */ 5867 static void gen_mtdcrx(DisasContext *ctx) 5868 { 5869 #if defined(CONFIG_USER_ONLY) 5870 GEN_PRIV; 5871 #else 5872 CHK_SV; 5873 gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)], 5874 cpu_gpr[rS(ctx->opcode)]); 5875 /* Note: Rc update flag set leads to undefined state of Rc0 */ 5876 #endif /* defined(CONFIG_USER_ONLY) */ 5877 } 5878 5879 /* mfdcrux (PPC 460) : user-mode access to DCR */ 5880 static void gen_mfdcrux(DisasContext *ctx) 5881 { 5882 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, 5883 cpu_gpr[rA(ctx->opcode)]); 5884 /* Note: Rc update flag set leads to undefined state of Rc0 */ 5885 } 5886 5887 /* mtdcrux (PPC 460) : user-mode access to DCR */ 5888 static void gen_mtdcrux(DisasContext *ctx) 5889 { 5890 gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)], 5891 cpu_gpr[rS(ctx->opcode)]); 5892 /* Note: Rc update flag set leads to undefined state of Rc0 */ 5893 } 5894 5895 /* dccci */ 5896 static void gen_dccci(DisasContext *ctx) 5897 { 5898 CHK_SV; 5899 /* interpreted as no-op */ 5900 } 5901 5902 /* dcread */ 5903 static void gen_dcread(DisasContext *ctx) 5904 { 5905 #if defined(CONFIG_USER_ONLY) 5906 GEN_PRIV; 5907 #else 5908 TCGv EA, val; 5909 5910 CHK_SV; 5911 gen_set_access_type(ctx, ACCESS_CACHE); 5912 EA = tcg_temp_new(); 5913 gen_addr_reg_index(ctx, EA); 5914 val = tcg_temp_new(); 5915 gen_qemu_ld32u(ctx, val, EA); 5916 tcg_temp_free(val); 5917 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA); 5918 tcg_temp_free(EA); 5919 #endif /* defined(CONFIG_USER_ONLY) */ 5920 } 5921 5922 /* icbt */ 5923 static void gen_icbt_40x(DisasContext *ctx) 5924 { 5925 /* 5926 * interpreted as no-op 5927 * XXX: specification say this is treated as a load by the MMU but 5928 * does not generate any exception 5929 */ 5930 } 5931 5932 /* iccci */ 5933 static void gen_iccci(DisasContext *ctx) 5934 { 5935 CHK_SV; 5936 /* interpreted as no-op */ 5937 } 5938 5939 /* icread */ 5940 static void gen_icread(DisasContext *ctx) 5941 { 5942 CHK_SV; 5943 /* interpreted as no-op */ 5944 } 5945 5946 /* rfci (supervisor only) */ 5947 static void gen_rfci_40x(DisasContext *ctx) 5948 { 5949 #if defined(CONFIG_USER_ONLY) 5950 GEN_PRIV; 5951 #else 5952 CHK_SV; 5953 /* Restore CPU state */ 5954 gen_helper_40x_rfci(cpu_env); 5955 ctx->base.is_jmp = DISAS_EXIT; 5956 #endif /* defined(CONFIG_USER_ONLY) */ 5957 } 5958 5959 static void gen_rfci(DisasContext *ctx) 5960 { 5961 #if defined(CONFIG_USER_ONLY) 5962 GEN_PRIV; 5963 #else 5964 CHK_SV; 5965 /* Restore CPU state */ 5966 gen_helper_rfci(cpu_env); 5967 ctx->base.is_jmp = DISAS_EXIT; 5968 #endif /* defined(CONFIG_USER_ONLY) */ 5969 } 5970 5971 /* BookE specific */ 5972 5973 /* XXX: not implemented on 440 ? */ 5974 static void gen_rfdi(DisasContext *ctx) 5975 { 5976 #if defined(CONFIG_USER_ONLY) 5977 GEN_PRIV; 5978 #else 5979 CHK_SV; 5980 /* Restore CPU state */ 5981 gen_helper_rfdi(cpu_env); 5982 ctx->base.is_jmp = DISAS_EXIT; 5983 #endif /* defined(CONFIG_USER_ONLY) */ 5984 } 5985 5986 /* XXX: not implemented on 440 ? */ 5987 static void gen_rfmci(DisasContext *ctx) 5988 { 5989 #if defined(CONFIG_USER_ONLY) 5990 GEN_PRIV; 5991 #else 5992 CHK_SV; 5993 /* Restore CPU state */ 5994 gen_helper_rfmci(cpu_env); 5995 ctx->base.is_jmp = DISAS_EXIT; 5996 #endif /* defined(CONFIG_USER_ONLY) */ 5997 } 5998 5999 /* TLB management - PowerPC 405 implementation */ 6000 6001 /* tlbre */ 6002 static void gen_tlbre_40x(DisasContext *ctx) 6003 { 6004 #if defined(CONFIG_USER_ONLY) 6005 GEN_PRIV; 6006 #else 6007 CHK_SV; 6008 switch (rB(ctx->opcode)) { 6009 case 0: 6010 gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_env, 6011 cpu_gpr[rA(ctx->opcode)]); 6012 break; 6013 case 1: 6014 gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_env, 6015 cpu_gpr[rA(ctx->opcode)]); 6016 break; 6017 default: 6018 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6019 break; 6020 } 6021 #endif /* defined(CONFIG_USER_ONLY) */ 6022 } 6023 6024 /* tlbsx - tlbsx. */ 6025 static void gen_tlbsx_40x(DisasContext *ctx) 6026 { 6027 #if defined(CONFIG_USER_ONLY) 6028 GEN_PRIV; 6029 #else 6030 TCGv t0; 6031 6032 CHK_SV; 6033 t0 = tcg_temp_new(); 6034 gen_addr_reg_index(ctx, t0); 6035 gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 6036 tcg_temp_free(t0); 6037 if (Rc(ctx->opcode)) { 6038 TCGLabel *l1 = gen_new_label(); 6039 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 6040 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1); 6041 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02); 6042 gen_set_label(l1); 6043 } 6044 #endif /* defined(CONFIG_USER_ONLY) */ 6045 } 6046 6047 /* tlbwe */ 6048 static void gen_tlbwe_40x(DisasContext *ctx) 6049 { 6050 #if defined(CONFIG_USER_ONLY) 6051 GEN_PRIV; 6052 #else 6053 CHK_SV; 6054 6055 switch (rB(ctx->opcode)) { 6056 case 0: 6057 gen_helper_4xx_tlbwe_hi(cpu_env, cpu_gpr[rA(ctx->opcode)], 6058 cpu_gpr[rS(ctx->opcode)]); 6059 break; 6060 case 1: 6061 gen_helper_4xx_tlbwe_lo(cpu_env, cpu_gpr[rA(ctx->opcode)], 6062 cpu_gpr[rS(ctx->opcode)]); 6063 break; 6064 default: 6065 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6066 break; 6067 } 6068 #endif /* defined(CONFIG_USER_ONLY) */ 6069 } 6070 6071 /* TLB management - PowerPC 440 implementation */ 6072 6073 /* tlbre */ 6074 static void gen_tlbre_440(DisasContext *ctx) 6075 { 6076 #if defined(CONFIG_USER_ONLY) 6077 GEN_PRIV; 6078 #else 6079 CHK_SV; 6080 6081 switch (rB(ctx->opcode)) { 6082 case 0: 6083 case 1: 6084 case 2: 6085 { 6086 TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode)); 6087 gen_helper_440_tlbre(cpu_gpr[rD(ctx->opcode)], cpu_env, 6088 t0, cpu_gpr[rA(ctx->opcode)]); 6089 tcg_temp_free_i32(t0); 6090 } 6091 break; 6092 default: 6093 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6094 break; 6095 } 6096 #endif /* defined(CONFIG_USER_ONLY) */ 6097 } 6098 6099 /* tlbsx - tlbsx. */ 6100 static void gen_tlbsx_440(DisasContext *ctx) 6101 { 6102 #if defined(CONFIG_USER_ONLY) 6103 GEN_PRIV; 6104 #else 6105 TCGv t0; 6106 6107 CHK_SV; 6108 t0 = tcg_temp_new(); 6109 gen_addr_reg_index(ctx, t0); 6110 gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 6111 tcg_temp_free(t0); 6112 if (Rc(ctx->opcode)) { 6113 TCGLabel *l1 = gen_new_label(); 6114 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 6115 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1); 6116 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02); 6117 gen_set_label(l1); 6118 } 6119 #endif /* defined(CONFIG_USER_ONLY) */ 6120 } 6121 6122 /* tlbwe */ 6123 static void gen_tlbwe_440(DisasContext *ctx) 6124 { 6125 #if defined(CONFIG_USER_ONLY) 6126 GEN_PRIV; 6127 #else 6128 CHK_SV; 6129 switch (rB(ctx->opcode)) { 6130 case 0: 6131 case 1: 6132 case 2: 6133 { 6134 TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode)); 6135 gen_helper_440_tlbwe(cpu_env, t0, cpu_gpr[rA(ctx->opcode)], 6136 cpu_gpr[rS(ctx->opcode)]); 6137 tcg_temp_free_i32(t0); 6138 } 6139 break; 6140 default: 6141 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6142 break; 6143 } 6144 #endif /* defined(CONFIG_USER_ONLY) */ 6145 } 6146 6147 /* TLB management - PowerPC BookE 2.06 implementation */ 6148 6149 /* tlbre */ 6150 static void gen_tlbre_booke206(DisasContext *ctx) 6151 { 6152 #if defined(CONFIG_USER_ONLY) 6153 GEN_PRIV; 6154 #else 6155 CHK_SV; 6156 gen_helper_booke206_tlbre(cpu_env); 6157 #endif /* defined(CONFIG_USER_ONLY) */ 6158 } 6159 6160 /* tlbsx - tlbsx. */ 6161 static void gen_tlbsx_booke206(DisasContext *ctx) 6162 { 6163 #if defined(CONFIG_USER_ONLY) 6164 GEN_PRIV; 6165 #else 6166 TCGv t0; 6167 6168 CHK_SV; 6169 if (rA(ctx->opcode)) { 6170 t0 = tcg_temp_new(); 6171 tcg_gen_mov_tl(t0, cpu_gpr[rD(ctx->opcode)]); 6172 } else { 6173 t0 = tcg_const_tl(0); 6174 } 6175 6176 tcg_gen_add_tl(t0, t0, cpu_gpr[rB(ctx->opcode)]); 6177 gen_helper_booke206_tlbsx(cpu_env, t0); 6178 tcg_temp_free(t0); 6179 #endif /* defined(CONFIG_USER_ONLY) */ 6180 } 6181 6182 /* tlbwe */ 6183 static void gen_tlbwe_booke206(DisasContext *ctx) 6184 { 6185 #if defined(CONFIG_USER_ONLY) 6186 GEN_PRIV; 6187 #else 6188 CHK_SV; 6189 gen_helper_booke206_tlbwe(cpu_env); 6190 #endif /* defined(CONFIG_USER_ONLY) */ 6191 } 6192 6193 static void gen_tlbivax_booke206(DisasContext *ctx) 6194 { 6195 #if defined(CONFIG_USER_ONLY) 6196 GEN_PRIV; 6197 #else 6198 TCGv t0; 6199 6200 CHK_SV; 6201 t0 = tcg_temp_new(); 6202 gen_addr_reg_index(ctx, t0); 6203 gen_helper_booke206_tlbivax(cpu_env, t0); 6204 tcg_temp_free(t0); 6205 #endif /* defined(CONFIG_USER_ONLY) */ 6206 } 6207 6208 static void gen_tlbilx_booke206(DisasContext *ctx) 6209 { 6210 #if defined(CONFIG_USER_ONLY) 6211 GEN_PRIV; 6212 #else 6213 TCGv t0; 6214 6215 CHK_SV; 6216 t0 = tcg_temp_new(); 6217 gen_addr_reg_index(ctx, t0); 6218 6219 switch ((ctx->opcode >> 21) & 0x3) { 6220 case 0: 6221 gen_helper_booke206_tlbilx0(cpu_env, t0); 6222 break; 6223 case 1: 6224 gen_helper_booke206_tlbilx1(cpu_env, t0); 6225 break; 6226 case 3: 6227 gen_helper_booke206_tlbilx3(cpu_env, t0); 6228 break; 6229 default: 6230 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6231 break; 6232 } 6233 6234 tcg_temp_free(t0); 6235 #endif /* defined(CONFIG_USER_ONLY) */ 6236 } 6237 6238 6239 /* wrtee */ 6240 static void gen_wrtee(DisasContext *ctx) 6241 { 6242 #if defined(CONFIG_USER_ONLY) 6243 GEN_PRIV; 6244 #else 6245 TCGv t0; 6246 6247 CHK_SV; 6248 t0 = tcg_temp_new(); 6249 tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE)); 6250 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE)); 6251 tcg_gen_or_tl(cpu_msr, cpu_msr, t0); 6252 tcg_temp_free(t0); 6253 /* 6254 * Stop translation to have a chance to raise an exception if we 6255 * just set msr_ee to 1 6256 */ 6257 ctx->base.is_jmp = DISAS_EXIT_UPDATE; 6258 #endif /* defined(CONFIG_USER_ONLY) */ 6259 } 6260 6261 /* wrteei */ 6262 static void gen_wrteei(DisasContext *ctx) 6263 { 6264 #if defined(CONFIG_USER_ONLY) 6265 GEN_PRIV; 6266 #else 6267 CHK_SV; 6268 if (ctx->opcode & 0x00008000) { 6269 tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE)); 6270 /* Stop translation to have a chance to raise an exception */ 6271 ctx->base.is_jmp = DISAS_EXIT_UPDATE; 6272 } else { 6273 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE)); 6274 } 6275 #endif /* defined(CONFIG_USER_ONLY) */ 6276 } 6277 6278 /* PowerPC 440 specific instructions */ 6279 6280 /* dlmzb */ 6281 static void gen_dlmzb(DisasContext *ctx) 6282 { 6283 TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode)); 6284 gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_env, 6285 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); 6286 tcg_temp_free_i32(t0); 6287 } 6288 6289 /* mbar replaces eieio on 440 */ 6290 static void gen_mbar(DisasContext *ctx) 6291 { 6292 /* interpreted as no-op */ 6293 } 6294 6295 /* msync replaces sync on 440 */ 6296 static void gen_msync_4xx(DisasContext *ctx) 6297 { 6298 /* Only e500 seems to treat reserved bits as invalid */ 6299 if ((ctx->insns_flags2 & PPC2_BOOKE206) && 6300 (ctx->opcode & 0x03FFF801)) { 6301 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6302 } 6303 /* otherwise interpreted as no-op */ 6304 } 6305 6306 /* icbt */ 6307 static void gen_icbt_440(DisasContext *ctx) 6308 { 6309 /* 6310 * interpreted as no-op 6311 * XXX: specification say this is treated as a load by the MMU but 6312 * does not generate any exception 6313 */ 6314 } 6315 6316 /* Embedded.Processor Control */ 6317 6318 static void gen_msgclr(DisasContext *ctx) 6319 { 6320 #if defined(CONFIG_USER_ONLY) 6321 GEN_PRIV; 6322 #else 6323 CHK_HV; 6324 if (is_book3s_arch2x(ctx)) { 6325 gen_helper_book3s_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]); 6326 } else { 6327 gen_helper_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]); 6328 } 6329 #endif /* defined(CONFIG_USER_ONLY) */ 6330 } 6331 6332 static void gen_msgsnd(DisasContext *ctx) 6333 { 6334 #if defined(CONFIG_USER_ONLY) 6335 GEN_PRIV; 6336 #else 6337 CHK_HV; 6338 if (is_book3s_arch2x(ctx)) { 6339 gen_helper_book3s_msgsnd(cpu_gpr[rB(ctx->opcode)]); 6340 } else { 6341 gen_helper_msgsnd(cpu_gpr[rB(ctx->opcode)]); 6342 } 6343 #endif /* defined(CONFIG_USER_ONLY) */ 6344 } 6345 6346 #if defined(TARGET_PPC64) 6347 static void gen_msgclrp(DisasContext *ctx) 6348 { 6349 #if defined(CONFIG_USER_ONLY) 6350 GEN_PRIV; 6351 #else 6352 CHK_SV; 6353 gen_helper_book3s_msgclrp(cpu_env, cpu_gpr[rB(ctx->opcode)]); 6354 #endif /* defined(CONFIG_USER_ONLY) */ 6355 } 6356 6357 static void gen_msgsndp(DisasContext *ctx) 6358 { 6359 #if defined(CONFIG_USER_ONLY) 6360 GEN_PRIV; 6361 #else 6362 CHK_SV; 6363 gen_helper_book3s_msgsndp(cpu_env, cpu_gpr[rB(ctx->opcode)]); 6364 #endif /* defined(CONFIG_USER_ONLY) */ 6365 } 6366 #endif 6367 6368 static void gen_msgsync(DisasContext *ctx) 6369 { 6370 #if defined(CONFIG_USER_ONLY) 6371 GEN_PRIV; 6372 #else 6373 CHK_HV; 6374 #endif /* defined(CONFIG_USER_ONLY) */ 6375 /* interpreted as no-op */ 6376 } 6377 6378 #if defined(TARGET_PPC64) 6379 static void gen_maddld(DisasContext *ctx) 6380 { 6381 TCGv_i64 t1 = tcg_temp_new_i64(); 6382 6383 tcg_gen_mul_i64(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 6384 tcg_gen_add_i64(cpu_gpr[rD(ctx->opcode)], t1, cpu_gpr[rC(ctx->opcode)]); 6385 tcg_temp_free_i64(t1); 6386 } 6387 6388 /* maddhd maddhdu */ 6389 static void gen_maddhd_maddhdu(DisasContext *ctx) 6390 { 6391 TCGv_i64 lo = tcg_temp_new_i64(); 6392 TCGv_i64 hi = tcg_temp_new_i64(); 6393 TCGv_i64 t1 = tcg_temp_new_i64(); 6394 6395 if (Rc(ctx->opcode)) { 6396 tcg_gen_mulu2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)], 6397 cpu_gpr[rB(ctx->opcode)]); 6398 tcg_gen_movi_i64(t1, 0); 6399 } else { 6400 tcg_gen_muls2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)], 6401 cpu_gpr[rB(ctx->opcode)]); 6402 tcg_gen_sari_i64(t1, cpu_gpr[rC(ctx->opcode)], 63); 6403 } 6404 tcg_gen_add2_i64(t1, cpu_gpr[rD(ctx->opcode)], lo, hi, 6405 cpu_gpr[rC(ctx->opcode)], t1); 6406 tcg_temp_free_i64(lo); 6407 tcg_temp_free_i64(hi); 6408 tcg_temp_free_i64(t1); 6409 } 6410 #endif /* defined(TARGET_PPC64) */ 6411 6412 static void gen_tbegin(DisasContext *ctx) 6413 { 6414 if (unlikely(!ctx->tm_enabled)) { 6415 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); 6416 return; 6417 } 6418 gen_helper_tbegin(cpu_env); 6419 } 6420 6421 #define GEN_TM_NOOP(name) \ 6422 static inline void gen_##name(DisasContext *ctx) \ 6423 { \ 6424 if (unlikely(!ctx->tm_enabled)) { \ 6425 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \ 6426 return; \ 6427 } \ 6428 /* \ 6429 * Because tbegin always fails in QEMU, these user \ 6430 * space instructions all have a simple implementation: \ 6431 * \ 6432 * CR[0] = 0b0 || MSR[TS] || 0b0 \ 6433 * = 0b0 || 0b00 || 0b0 \ 6434 */ \ 6435 tcg_gen_movi_i32(cpu_crf[0], 0); \ 6436 } 6437 6438 GEN_TM_NOOP(tend); 6439 GEN_TM_NOOP(tabort); 6440 GEN_TM_NOOP(tabortwc); 6441 GEN_TM_NOOP(tabortwci); 6442 GEN_TM_NOOP(tabortdc); 6443 GEN_TM_NOOP(tabortdci); 6444 GEN_TM_NOOP(tsr); 6445 6446 static inline void gen_cp_abort(DisasContext *ctx) 6447 { 6448 /* Do Nothing */ 6449 } 6450 6451 #define GEN_CP_PASTE_NOOP(name) \ 6452 static inline void gen_##name(DisasContext *ctx) \ 6453 { \ 6454 /* \ 6455 * Generate invalid exception until we have an \ 6456 * implementation of the copy paste facility \ 6457 */ \ 6458 gen_invalid(ctx); \ 6459 } 6460 6461 GEN_CP_PASTE_NOOP(copy) 6462 GEN_CP_PASTE_NOOP(paste) 6463 6464 static void gen_tcheck(DisasContext *ctx) 6465 { 6466 if (unlikely(!ctx->tm_enabled)) { 6467 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); 6468 return; 6469 } 6470 /* 6471 * Because tbegin always fails, the tcheck implementation is 6472 * simple: 6473 * 6474 * CR[CRF] = TDOOMED || MSR[TS] || 0b0 6475 * = 0b1 || 0b00 || 0b0 6476 */ 6477 tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], 0x8); 6478 } 6479 6480 #if defined(CONFIG_USER_ONLY) 6481 #define GEN_TM_PRIV_NOOP(name) \ 6482 static inline void gen_##name(DisasContext *ctx) \ 6483 { \ 6484 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); \ 6485 } 6486 6487 #else 6488 6489 #define GEN_TM_PRIV_NOOP(name) \ 6490 static inline void gen_##name(DisasContext *ctx) \ 6491 { \ 6492 CHK_SV; \ 6493 if (unlikely(!ctx->tm_enabled)) { \ 6494 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \ 6495 return; \ 6496 } \ 6497 /* \ 6498 * Because tbegin always fails, the implementation is \ 6499 * simple: \ 6500 * \ 6501 * CR[0] = 0b0 || MSR[TS] || 0b0 \ 6502 * = 0b0 || 0b00 | 0b0 \ 6503 */ \ 6504 tcg_gen_movi_i32(cpu_crf[0], 0); \ 6505 } 6506 6507 #endif 6508 6509 GEN_TM_PRIV_NOOP(treclaim); 6510 GEN_TM_PRIV_NOOP(trechkpt); 6511 6512 static inline void get_fpr(TCGv_i64 dst, int regno) 6513 { 6514 tcg_gen_ld_i64(dst, cpu_env, fpr_offset(regno)); 6515 } 6516 6517 static inline void set_fpr(int regno, TCGv_i64 src) 6518 { 6519 tcg_gen_st_i64(src, cpu_env, fpr_offset(regno)); 6520 } 6521 6522 static inline void get_avr64(TCGv_i64 dst, int regno, bool high) 6523 { 6524 tcg_gen_ld_i64(dst, cpu_env, avr64_offset(regno, high)); 6525 } 6526 6527 static inline void set_avr64(int regno, TCGv_i64 src, bool high) 6528 { 6529 tcg_gen_st_i64(src, cpu_env, avr64_offset(regno, high)); 6530 } 6531 6532 /* 6533 * Helpers for decodetree used by !function for decoding arguments. 6534 */ 6535 static int times_2(DisasContext *ctx, int x) 6536 { 6537 return x * 2; 6538 } 6539 6540 static int times_4(DisasContext *ctx, int x) 6541 { 6542 return x * 4; 6543 } 6544 6545 static int times_16(DisasContext *ctx, int x) 6546 { 6547 return x * 16; 6548 } 6549 6550 /* 6551 * Helpers for trans_* functions to check for specific insns flags. 6552 * Use token pasting to ensure that we use the proper flag with the 6553 * proper variable. 6554 */ 6555 #define REQUIRE_INSNS_FLAGS(CTX, NAME) \ 6556 do { \ 6557 if (((CTX)->insns_flags & PPC_##NAME) == 0) { \ 6558 return false; \ 6559 } \ 6560 } while (0) 6561 6562 #define REQUIRE_INSNS_FLAGS2(CTX, NAME) \ 6563 do { \ 6564 if (((CTX)->insns_flags2 & PPC2_##NAME) == 0) { \ 6565 return false; \ 6566 } \ 6567 } while (0) 6568 6569 /* Then special-case the check for 64-bit so that we elide code for ppc32. */ 6570 #if TARGET_LONG_BITS == 32 6571 # define REQUIRE_64BIT(CTX) return false 6572 #else 6573 # define REQUIRE_64BIT(CTX) REQUIRE_INSNS_FLAGS(CTX, 64B) 6574 #endif 6575 6576 #define REQUIRE_VECTOR(CTX) \ 6577 do { \ 6578 if (unlikely(!(CTX)->altivec_enabled)) { \ 6579 gen_exception((CTX), POWERPC_EXCP_VPU); \ 6580 return true; \ 6581 } \ 6582 } while (0) 6583 6584 #define REQUIRE_VSX(CTX) \ 6585 do { \ 6586 if (unlikely(!(CTX)->vsx_enabled)) { \ 6587 gen_exception((CTX), POWERPC_EXCP_VSXU); \ 6588 return true; \ 6589 } \ 6590 } while (0) 6591 6592 #define REQUIRE_FPU(ctx) \ 6593 do { \ 6594 if (unlikely(!(ctx)->fpu_enabled)) { \ 6595 gen_exception((ctx), POWERPC_EXCP_FPU); \ 6596 return true; \ 6597 } \ 6598 } while (0) 6599 6600 /* 6601 * Helpers for implementing sets of trans_* functions. 6602 * Defer the implementation of NAME to FUNC, with optional extra arguments. 6603 */ 6604 #define TRANS(NAME, FUNC, ...) \ 6605 static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \ 6606 { return FUNC(ctx, a, __VA_ARGS__); } 6607 6608 #define TRANS64(NAME, FUNC, ...) \ 6609 static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \ 6610 { REQUIRE_64BIT(ctx); return FUNC(ctx, a, __VA_ARGS__); } 6611 6612 /* TODO: More TRANS* helpers for extra insn_flags checks. */ 6613 6614 6615 #include "decode-insn32.c.inc" 6616 #include "decode-insn64.c.inc" 6617 #include "power8-pmu-regs.c.inc" 6618 6619 /* 6620 * Incorporate CIA into the constant when R=1. 6621 * Validate that when R=1, RA=0. 6622 */ 6623 static bool resolve_PLS_D(DisasContext *ctx, arg_D *d, arg_PLS_D *a) 6624 { 6625 d->rt = a->rt; 6626 d->ra = a->ra; 6627 d->si = a->si; 6628 if (a->r) { 6629 if (unlikely(a->ra != 0)) { 6630 gen_invalid(ctx); 6631 return false; 6632 } 6633 d->si += ctx->cia; 6634 } 6635 return true; 6636 } 6637 6638 #include "translate/fixedpoint-impl.c.inc" 6639 6640 #include "translate/fp-impl.c.inc" 6641 6642 #include "translate/vmx-impl.c.inc" 6643 6644 #include "translate/vsx-impl.c.inc" 6645 6646 #include "translate/dfp-impl.c.inc" 6647 6648 #include "translate/spe-impl.c.inc" 6649 6650 #include "translate/branch-impl.c.inc" 6651 6652 /* Handles lfdp, lxsd, lxssp */ 6653 static void gen_dform39(DisasContext *ctx) 6654 { 6655 switch (ctx->opcode & 0x3) { 6656 case 0: /* lfdp */ 6657 if (ctx->insns_flags2 & PPC2_ISA205) { 6658 return gen_lfdp(ctx); 6659 } 6660 break; 6661 case 2: /* lxsd */ 6662 if (ctx->insns_flags2 & PPC2_ISA300) { 6663 return gen_lxsd(ctx); 6664 } 6665 break; 6666 case 3: /* lxssp */ 6667 if (ctx->insns_flags2 & PPC2_ISA300) { 6668 return gen_lxssp(ctx); 6669 } 6670 break; 6671 } 6672 return gen_invalid(ctx); 6673 } 6674 6675 /* handles stfdp, lxv, stxsd, stxssp lxvx */ 6676 static void gen_dform3D(DisasContext *ctx) 6677 { 6678 if ((ctx->opcode & 3) != 1) { /* DS-FORM */ 6679 switch (ctx->opcode & 0x3) { 6680 case 0: /* stfdp */ 6681 if (ctx->insns_flags2 & PPC2_ISA205) { 6682 return gen_stfdp(ctx); 6683 } 6684 break; 6685 case 2: /* stxsd */ 6686 if (ctx->insns_flags2 & PPC2_ISA300) { 6687 return gen_stxsd(ctx); 6688 } 6689 break; 6690 case 3: /* stxssp */ 6691 if (ctx->insns_flags2 & PPC2_ISA300) { 6692 return gen_stxssp(ctx); 6693 } 6694 break; 6695 } 6696 } 6697 return gen_invalid(ctx); 6698 } 6699 6700 #if defined(TARGET_PPC64) 6701 /* brd */ 6702 static void gen_brd(DisasContext *ctx) 6703 { 6704 tcg_gen_bswap64_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); 6705 } 6706 6707 /* brw */ 6708 static void gen_brw(DisasContext *ctx) 6709 { 6710 tcg_gen_bswap64_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); 6711 tcg_gen_rotli_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 32); 6712 6713 } 6714 6715 /* brh */ 6716 static void gen_brh(DisasContext *ctx) 6717 { 6718 TCGv_i64 mask = tcg_constant_i64(0x00ff00ff00ff00ffull); 6719 TCGv_i64 t1 = tcg_temp_new_i64(); 6720 TCGv_i64 t2 = tcg_temp_new_i64(); 6721 6722 tcg_gen_shri_i64(t1, cpu_gpr[rS(ctx->opcode)], 8); 6723 tcg_gen_and_i64(t2, t1, mask); 6724 tcg_gen_and_i64(t1, cpu_gpr[rS(ctx->opcode)], mask); 6725 tcg_gen_shli_i64(t1, t1, 8); 6726 tcg_gen_or_i64(cpu_gpr[rA(ctx->opcode)], t1, t2); 6727 6728 tcg_temp_free_i64(t1); 6729 tcg_temp_free_i64(t2); 6730 } 6731 #endif 6732 6733 static opcode_t opcodes[] = { 6734 #if defined(TARGET_PPC64) 6735 GEN_HANDLER_E(brd, 0x1F, 0x1B, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA310), 6736 GEN_HANDLER_E(brw, 0x1F, 0x1B, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA310), 6737 GEN_HANDLER_E(brh, 0x1F, 0x1B, 0x06, 0x0000F801, PPC_NONE, PPC2_ISA310), 6738 #endif 6739 GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE), 6740 #if defined(TARGET_PPC64) 6741 GEN_HANDLER_E(cmpeqb, 0x1F, 0x00, 0x07, 0x00600000, PPC_NONE, PPC2_ISA300), 6742 #endif 6743 GEN_HANDLER_E(cmpb, 0x1F, 0x1C, 0x0F, 0x00000001, PPC_NONE, PPC2_ISA205), 6744 GEN_HANDLER_E(cmprb, 0x1F, 0x00, 0x06, 0x00400001, PPC_NONE, PPC2_ISA300), 6745 GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL), 6746 GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6747 GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6748 GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER), 6749 GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER), 6750 GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER), 6751 GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER), 6752 GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6753 #if defined(TARGET_PPC64) 6754 GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B), 6755 #endif 6756 GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER), 6757 GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER), 6758 GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6759 GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6760 GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6761 GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER), 6762 GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300), 6763 GEN_HANDLER_E(copy, 0x1F, 0x06, 0x18, 0x03C00001, PPC_NONE, PPC2_ISA300), 6764 GEN_HANDLER_E(cp_abort, 0x1F, 0x06, 0x1A, 0x03FFF801, PPC_NONE, PPC2_ISA300), 6765 GEN_HANDLER_E(paste, 0x1F, 0x06, 0x1C, 0x03C00000, PPC_NONE, PPC2_ISA300), 6766 GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER), 6767 GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER), 6768 GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6769 GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6770 GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6771 GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6772 GEN_HANDLER(popcntb, 0x1F, 0x1A, 0x03, 0x0000F801, PPC_POPCNTB), 6773 GEN_HANDLER(popcntw, 0x1F, 0x1A, 0x0b, 0x0000F801, PPC_POPCNTWD), 6774 GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205), 6775 #if defined(TARGET_PPC64) 6776 GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD), 6777 GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B), 6778 GEN_HANDLER_E(cnttzd, 0x1F, 0x1A, 0x11, 0x00000000, PPC_NONE, PPC2_ISA300), 6779 GEN_HANDLER_E(darn, 0x1F, 0x13, 0x17, 0x001CF801, PPC_NONE, PPC2_ISA300), 6780 GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205), 6781 GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206), 6782 #endif 6783 GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6784 GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6785 GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6786 GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER), 6787 GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER), 6788 GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER), 6789 GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER), 6790 #if defined(TARGET_PPC64) 6791 GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B), 6792 GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B), 6793 GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B), 6794 GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B), 6795 GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B), 6796 GEN_HANDLER2_E(extswsli0, "extswsli", 0x1F, 0x1A, 0x1B, 0x00000000, 6797 PPC_NONE, PPC2_ISA300), 6798 GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1B, 0x00000000, 6799 PPC_NONE, PPC2_ISA300), 6800 #endif 6801 /* handles lfdp, lxsd, lxssp */ 6802 GEN_HANDLER_E(dform39, 0x39, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205), 6803 /* handles stfdp, stxsd, stxssp */ 6804 GEN_HANDLER_E(dform3D, 0x3D, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205), 6805 GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6806 GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6807 GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING), 6808 GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING), 6809 GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING), 6810 GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING), 6811 GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x01FFF801, PPC_MEM_EIEIO), 6812 GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM), 6813 GEN_HANDLER_E(lbarx, 0x1F, 0x14, 0x01, 0, PPC_NONE, PPC2_ATOMIC_ISA206), 6814 GEN_HANDLER_E(lharx, 0x1F, 0x14, 0x03, 0, PPC_NONE, PPC2_ATOMIC_ISA206), 6815 GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000000, PPC_RES), 6816 GEN_HANDLER_E(lwat, 0x1F, 0x06, 0x12, 0x00000001, PPC_NONE, PPC2_ISA300), 6817 GEN_HANDLER_E(stwat, 0x1F, 0x06, 0x16, 0x00000001, PPC_NONE, PPC2_ISA300), 6818 GEN_HANDLER_E(stbcx_, 0x1F, 0x16, 0x15, 0, PPC_NONE, PPC2_ATOMIC_ISA206), 6819 GEN_HANDLER_E(sthcx_, 0x1F, 0x16, 0x16, 0, PPC_NONE, PPC2_ATOMIC_ISA206), 6820 GEN_HANDLER2(stwcx_, "stwcx.", 0x1F, 0x16, 0x04, 0x00000000, PPC_RES), 6821 #if defined(TARGET_PPC64) 6822 GEN_HANDLER_E(ldat, 0x1F, 0x06, 0x13, 0x00000001, PPC_NONE, PPC2_ISA300), 6823 GEN_HANDLER_E(stdat, 0x1F, 0x06, 0x17, 0x00000001, PPC_NONE, PPC2_ISA300), 6824 GEN_HANDLER(ldarx, 0x1F, 0x14, 0x02, 0x00000000, PPC_64B), 6825 GEN_HANDLER_E(lqarx, 0x1F, 0x14, 0x08, 0, PPC_NONE, PPC2_LSQ_ISA207), 6826 GEN_HANDLER2(stdcx_, "stdcx.", 0x1F, 0x16, 0x06, 0x00000000, PPC_64B), 6827 GEN_HANDLER_E(stqcx_, 0x1F, 0x16, 0x05, 0, PPC_NONE, PPC2_LSQ_ISA207), 6828 #endif 6829 GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC), 6830 GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT), 6831 GEN_HANDLER_E(wait, 0x1F, 0x1E, 0x00, 0x039FF801, PPC_NONE, PPC2_ISA300), 6832 GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW), 6833 GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW), 6834 GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW), 6835 GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW), 6836 GEN_HANDLER_E(bctar, 0x13, 0x10, 0x11, 0x0000E000, PPC_NONE, PPC2_BCTAR_ISA207), 6837 GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER), 6838 GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW), 6839 #if defined(TARGET_PPC64) 6840 GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B), 6841 #if !defined(CONFIG_USER_ONLY) 6842 /* Top bit of opc2 corresponds with low bit of LEV, so use two handlers */ 6843 GEN_HANDLER_E(scv, 0x11, 0x10, 0xFF, 0x03FFF01E, PPC_NONE, PPC2_ISA300), 6844 GEN_HANDLER_E(scv, 0x11, 0x00, 0xFF, 0x03FFF01E, PPC_NONE, PPC2_ISA300), 6845 GEN_HANDLER_E(rfscv, 0x13, 0x12, 0x02, 0x03FF8001, PPC_NONE, PPC2_ISA300), 6846 #endif 6847 GEN_HANDLER_E(stop, 0x13, 0x12, 0x0b, 0x03FFF801, PPC_NONE, PPC2_ISA300), 6848 GEN_HANDLER_E(doze, 0x13, 0x12, 0x0c, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), 6849 GEN_HANDLER_E(nap, 0x13, 0x12, 0x0d, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), 6850 GEN_HANDLER_E(sleep, 0x13, 0x12, 0x0e, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), 6851 GEN_HANDLER_E(rvwinkle, 0x13, 0x12, 0x0f, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), 6852 GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H), 6853 #endif 6854 /* Top bit of opc2 corresponds with low bit of LEV, so use two handlers */ 6855 GEN_HANDLER(sc, 0x11, 0x11, 0xFF, 0x03FFF01D, PPC_FLOW), 6856 GEN_HANDLER(sc, 0x11, 0x01, 0xFF, 0x03FFF01D, PPC_FLOW), 6857 GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW), 6858 GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW), 6859 #if defined(TARGET_PPC64) 6860 GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B), 6861 GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B), 6862 #endif 6863 GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC), 6864 GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC), 6865 GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC), 6866 GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC), 6867 GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB), 6868 GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC), 6869 #if defined(TARGET_PPC64) 6870 GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B), 6871 GEN_HANDLER_E(setb, 0x1F, 0x00, 0x04, 0x0003F801, PPC_NONE, PPC2_ISA300), 6872 GEN_HANDLER_E(mcrxrx, 0x1F, 0x00, 0x12, 0x007FF801, PPC_NONE, PPC2_ISA300), 6873 #endif 6874 GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001EF801, PPC_MISC), 6875 GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC), 6876 GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE), 6877 GEN_HANDLER_E(dcbfep, 0x1F, 0x1F, 0x03, 0x03C00001, PPC_NONE, PPC2_BOOKE206), 6878 GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE), 6879 GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE), 6880 GEN_HANDLER_E(dcbstep, 0x1F, 0x1F, 0x01, 0x03E00001, PPC_NONE, PPC2_BOOKE206), 6881 GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x00000001, PPC_CACHE), 6882 GEN_HANDLER_E(dcbtep, 0x1F, 0x1F, 0x09, 0x00000001, PPC_NONE, PPC2_BOOKE206), 6883 GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x00000001, PPC_CACHE), 6884 GEN_HANDLER_E(dcbtstep, 0x1F, 0x1F, 0x07, 0x00000001, PPC_NONE, PPC2_BOOKE206), 6885 GEN_HANDLER_E(dcbtls, 0x1F, 0x06, 0x05, 0x02000001, PPC_BOOKE, PPC2_BOOKE206), 6886 GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZ), 6887 GEN_HANDLER_E(dcbzep, 0x1F, 0x1F, 0x1F, 0x03C00001, PPC_NONE, PPC2_BOOKE206), 6888 GEN_HANDLER(dst, 0x1F, 0x16, 0x0A, 0x01800001, PPC_ALTIVEC), 6889 GEN_HANDLER(dstst, 0x1F, 0x16, 0x0B, 0x01800001, PPC_ALTIVEC), 6890 GEN_HANDLER(dss, 0x1F, 0x16, 0x19, 0x019FF801, PPC_ALTIVEC), 6891 GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI), 6892 GEN_HANDLER_E(icbiep, 0x1F, 0x1F, 0x1E, 0x03E00001, PPC_NONE, PPC2_BOOKE206), 6893 GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA), 6894 GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT), 6895 GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT), 6896 GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT), 6897 GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT), 6898 #if defined(TARGET_PPC64) 6899 GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B), 6900 GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001, 6901 PPC_SEGMENT_64B), 6902 GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B), 6903 GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001, 6904 PPC_SEGMENT_64B), 6905 GEN_HANDLER2(slbmte, "slbmte", 0x1F, 0x12, 0x0C, 0x001F0001, PPC_SEGMENT_64B), 6906 GEN_HANDLER2(slbmfee, "slbmfee", 0x1F, 0x13, 0x1C, 0x001F0001, PPC_SEGMENT_64B), 6907 GEN_HANDLER2(slbmfev, "slbmfev", 0x1F, 0x13, 0x1A, 0x001F0001, PPC_SEGMENT_64B), 6908 GEN_HANDLER2(slbfee_, "slbfee.", 0x1F, 0x13, 0x1E, 0x001F0000, PPC_SEGMENT_64B), 6909 #endif 6910 GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA), 6911 /* 6912 * XXX Those instructions will need to be handled differently for 6913 * different ISA versions 6914 */ 6915 GEN_HANDLER(tlbiel, 0x1F, 0x12, 0x08, 0x001F0001, PPC_MEM_TLBIE), 6916 GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x001F0001, PPC_MEM_TLBIE), 6917 GEN_HANDLER_E(tlbiel, 0x1F, 0x12, 0x08, 0x00100001, PPC_NONE, PPC2_ISA300), 6918 GEN_HANDLER_E(tlbie, 0x1F, 0x12, 0x09, 0x00100001, PPC_NONE, PPC2_ISA300), 6919 GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC), 6920 #if defined(TARGET_PPC64) 6921 GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x031FFC01, PPC_SLBI), 6922 GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI), 6923 GEN_HANDLER_E(slbieg, 0x1F, 0x12, 0x0E, 0x001F0001, PPC_NONE, PPC2_ISA300), 6924 GEN_HANDLER_E(slbsync, 0x1F, 0x12, 0x0A, 0x03FFF801, PPC_NONE, PPC2_ISA300), 6925 #endif 6926 GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN), 6927 GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN), 6928 GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB), 6929 GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB), 6930 GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI), 6931 GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA), 6932 GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR), 6933 GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR), 6934 GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX), 6935 GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX), 6936 GEN_HANDLER(mfdcrux, 0x1F, 0x03, 0x09, 0x00000000, PPC_DCRUX), 6937 GEN_HANDLER(mtdcrux, 0x1F, 0x03, 0x0D, 0x00000000, PPC_DCRUX), 6938 GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON), 6939 GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON), 6940 GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT), 6941 GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON), 6942 GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON), 6943 GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP), 6944 GEN_HANDLER_E(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE, PPC2_BOOKE206), 6945 GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI), 6946 GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI), 6947 GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB), 6948 GEN_HANDLER2(tlbsx_40x, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_TLB), 6949 GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB), 6950 GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE), 6951 GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE), 6952 GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE), 6953 GEN_HANDLER2_E(tlbre_booke206, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, 6954 PPC_NONE, PPC2_BOOKE206), 6955 GEN_HANDLER2_E(tlbsx_booke206, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, 6956 PPC_NONE, PPC2_BOOKE206), 6957 GEN_HANDLER2_E(tlbwe_booke206, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, 6958 PPC_NONE, PPC2_BOOKE206), 6959 GEN_HANDLER2_E(tlbivax_booke206, "tlbivax", 0x1F, 0x12, 0x18, 0x00000001, 6960 PPC_NONE, PPC2_BOOKE206), 6961 GEN_HANDLER2_E(tlbilx_booke206, "tlbilx", 0x1F, 0x12, 0x00, 0x03800001, 6962 PPC_NONE, PPC2_BOOKE206), 6963 GEN_HANDLER2_E(msgsnd, "msgsnd", 0x1F, 0x0E, 0x06, 0x03ff0001, 6964 PPC_NONE, PPC2_PRCNTL), 6965 GEN_HANDLER2_E(msgclr, "msgclr", 0x1F, 0x0E, 0x07, 0x03ff0001, 6966 PPC_NONE, PPC2_PRCNTL), 6967 GEN_HANDLER2_E(msgsync, "msgsync", 0x1F, 0x16, 0x1B, 0x00000000, 6968 PPC_NONE, PPC2_PRCNTL), 6969 GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE), 6970 GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000E7C01, PPC_WRTEE), 6971 GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC), 6972 GEN_HANDLER_E(mbar, 0x1F, 0x16, 0x1a, 0x001FF801, 6973 PPC_BOOKE, PPC2_BOOKE206), 6974 GEN_HANDLER(msync_4xx, 0x1F, 0x16, 0x12, 0x039FF801, PPC_BOOKE), 6975 GEN_HANDLER2_E(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001, 6976 PPC_BOOKE, PPC2_BOOKE206), 6977 GEN_HANDLER2(icbt_440, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, 6978 PPC_440_SPEC), 6979 GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC), 6980 GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC), 6981 GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC), 6982 GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC), 6983 GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC), 6984 #if defined(TARGET_PPC64) 6985 GEN_HANDLER_E(maddhd_maddhdu, 0x04, 0x18, 0xFF, 0x00000000, PPC_NONE, 6986 PPC2_ISA300), 6987 GEN_HANDLER_E(maddld, 0x04, 0x19, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300), 6988 GEN_HANDLER2_E(msgsndp, "msgsndp", 0x1F, 0x0E, 0x04, 0x03ff0001, 6989 PPC_NONE, PPC2_ISA207S), 6990 GEN_HANDLER2_E(msgclrp, "msgclrp", 0x1F, 0x0E, 0x05, 0x03ff0001, 6991 PPC_NONE, PPC2_ISA207S), 6992 #endif 6993 6994 #undef GEN_INT_ARITH_ADD 6995 #undef GEN_INT_ARITH_ADD_CONST 6996 #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov) \ 6997 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER), 6998 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, \ 6999 add_ca, compute_ca, compute_ov) \ 7000 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER), 7001 GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0) 7002 GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1) 7003 GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0) 7004 GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1) 7005 GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0) 7006 GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1) 7007 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0) 7008 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1) 7009 GEN_HANDLER_E(addex, 0x1F, 0x0A, 0x05, 0x00000000, PPC_NONE, PPC2_ISA300), 7010 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0) 7011 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1) 7012 7013 #undef GEN_INT_ARITH_DIVW 7014 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \ 7015 GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER) 7016 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0), 7017 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1), 7018 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0), 7019 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1), 7020 GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206), 7021 GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206), 7022 GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206), 7023 GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206), 7024 GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300), 7025 GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300), 7026 7027 #if defined(TARGET_PPC64) 7028 #undef GEN_INT_ARITH_DIVD 7029 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \ 7030 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B) 7031 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0), 7032 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1), 7033 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0), 7034 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1), 7035 7036 GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206), 7037 GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206), 7038 GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206), 7039 GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206), 7040 GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300), 7041 GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300), 7042 7043 #undef GEN_INT_ARITH_MUL_HELPER 7044 #define GEN_INT_ARITH_MUL_HELPER(name, opc3) \ 7045 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B) 7046 GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00), 7047 GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02), 7048 GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17), 7049 #endif 7050 7051 #undef GEN_INT_ARITH_SUBF 7052 #undef GEN_INT_ARITH_SUBF_CONST 7053 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \ 7054 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER), 7055 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \ 7056 add_ca, compute_ca, compute_ov) \ 7057 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER), 7058 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0) 7059 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1) 7060 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0) 7061 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1) 7062 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0) 7063 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1) 7064 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0) 7065 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1) 7066 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0) 7067 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1) 7068 7069 #undef GEN_LOGICAL1 7070 #undef GEN_LOGICAL2 7071 #define GEN_LOGICAL2(name, tcg_op, opc, type) \ 7072 GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type) 7073 #define GEN_LOGICAL1(name, tcg_op, opc, type) \ 7074 GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type) 7075 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER), 7076 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER), 7077 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER), 7078 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER), 7079 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER), 7080 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER), 7081 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER), 7082 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER), 7083 #if defined(TARGET_PPC64) 7084 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B), 7085 #endif 7086 7087 #if defined(TARGET_PPC64) 7088 #undef GEN_PPC64_R2 7089 #undef GEN_PPC64_R4 7090 #define GEN_PPC64_R2(name, opc1, opc2) \ 7091 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\ 7092 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \ 7093 PPC_64B) 7094 #define GEN_PPC64_R4(name, opc1, opc2) \ 7095 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\ 7096 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x01, 0xFF, 0x00000000, \ 7097 PPC_64B), \ 7098 GEN_HANDLER2(name##2, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \ 7099 PPC_64B), \ 7100 GEN_HANDLER2(name##3, stringify(name), opc1, opc2 | 0x11, 0xFF, 0x00000000, \ 7101 PPC_64B) 7102 GEN_PPC64_R4(rldicl, 0x1E, 0x00), 7103 GEN_PPC64_R4(rldicr, 0x1E, 0x02), 7104 GEN_PPC64_R4(rldic, 0x1E, 0x04), 7105 GEN_PPC64_R2(rldcl, 0x1E, 0x08), 7106 GEN_PPC64_R2(rldcr, 0x1E, 0x09), 7107 GEN_PPC64_R4(rldimi, 0x1E, 0x06), 7108 #endif 7109 7110 #undef GEN_LDX_E 7111 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \ 7112 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2), 7113 7114 #if defined(TARGET_PPC64) 7115 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE) 7116 7117 /* HV/P7 and later only */ 7118 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST) 7119 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x18, PPC_CILDST) 7120 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST) 7121 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST) 7122 #endif 7123 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER) 7124 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER) 7125 7126 /* External PID based load */ 7127 #undef GEN_LDEPX 7128 #define GEN_LDEPX(name, ldop, opc2, opc3) \ 7129 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3, \ 7130 0x00000001, PPC_NONE, PPC2_BOOKE206), 7131 7132 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02) 7133 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08) 7134 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00) 7135 #if defined(TARGET_PPC64) 7136 GEN_LDEPX(ld, DEF_MEMOP(MO_UQ), 0x1D, 0x00) 7137 #endif 7138 7139 #undef GEN_STX_E 7140 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \ 7141 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000000, type, type2), 7142 7143 #if defined(TARGET_PPC64) 7144 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE) 7145 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST) 7146 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST) 7147 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST) 7148 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST) 7149 #endif 7150 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER) 7151 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER) 7152 7153 #undef GEN_STEPX 7154 #define GEN_STEPX(name, ldop, opc2, opc3) \ 7155 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3, \ 7156 0x00000001, PPC_NONE, PPC2_BOOKE206), 7157 7158 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06) 7159 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C) 7160 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04) 7161 #if defined(TARGET_PPC64) 7162 GEN_STEPX(std, DEF_MEMOP(MO_UQ), 0x1D, 0x04) 7163 #endif 7164 7165 #undef GEN_CRLOGIC 7166 #define GEN_CRLOGIC(name, tcg_op, opc) \ 7167 GEN_HANDLER(name, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER) 7168 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08), 7169 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04), 7170 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09), 7171 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07), 7172 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01), 7173 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E), 7174 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D), 7175 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06), 7176 7177 #undef GEN_MAC_HANDLER 7178 #define GEN_MAC_HANDLER(name, opc2, opc3) \ 7179 GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC) 7180 GEN_MAC_HANDLER(macchw, 0x0C, 0x05), 7181 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15), 7182 GEN_MAC_HANDLER(macchws, 0x0C, 0x07), 7183 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17), 7184 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06), 7185 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16), 7186 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04), 7187 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14), 7188 GEN_MAC_HANDLER(machhw, 0x0C, 0x01), 7189 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11), 7190 GEN_MAC_HANDLER(machhws, 0x0C, 0x03), 7191 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13), 7192 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02), 7193 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12), 7194 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00), 7195 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10), 7196 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D), 7197 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D), 7198 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F), 7199 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F), 7200 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C), 7201 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C), 7202 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E), 7203 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E), 7204 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05), 7205 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15), 7206 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07), 7207 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17), 7208 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01), 7209 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11), 7210 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03), 7211 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13), 7212 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D), 7213 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D), 7214 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F), 7215 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F), 7216 GEN_MAC_HANDLER(mulchw, 0x08, 0x05), 7217 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04), 7218 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01), 7219 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00), 7220 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D), 7221 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C), 7222 7223 GEN_HANDLER2_E(tbegin, "tbegin", 0x1F, 0x0E, 0x14, 0x01DFF800, \ 7224 PPC_NONE, PPC2_TM), 7225 GEN_HANDLER2_E(tend, "tend", 0x1F, 0x0E, 0x15, 0x01FFF800, \ 7226 PPC_NONE, PPC2_TM), 7227 GEN_HANDLER2_E(tabort, "tabort", 0x1F, 0x0E, 0x1C, 0x03E0F800, \ 7228 PPC_NONE, PPC2_TM), 7229 GEN_HANDLER2_E(tabortwc, "tabortwc", 0x1F, 0x0E, 0x18, 0x00000000, \ 7230 PPC_NONE, PPC2_TM), 7231 GEN_HANDLER2_E(tabortwci, "tabortwci", 0x1F, 0x0E, 0x1A, 0x00000000, \ 7232 PPC_NONE, PPC2_TM), 7233 GEN_HANDLER2_E(tabortdc, "tabortdc", 0x1F, 0x0E, 0x19, 0x00000000, \ 7234 PPC_NONE, PPC2_TM), 7235 GEN_HANDLER2_E(tabortdci, "tabortdci", 0x1F, 0x0E, 0x1B, 0x00000000, \ 7236 PPC_NONE, PPC2_TM), 7237 GEN_HANDLER2_E(tsr, "tsr", 0x1F, 0x0E, 0x17, 0x03DFF800, \ 7238 PPC_NONE, PPC2_TM), 7239 GEN_HANDLER2_E(tcheck, "tcheck", 0x1F, 0x0E, 0x16, 0x007FF800, \ 7240 PPC_NONE, PPC2_TM), 7241 GEN_HANDLER2_E(treclaim, "treclaim", 0x1F, 0x0E, 0x1D, 0x03E0F800, \ 7242 PPC_NONE, PPC2_TM), 7243 GEN_HANDLER2_E(trechkpt, "trechkpt", 0x1F, 0x0E, 0x1F, 0x03FFF800, \ 7244 PPC_NONE, PPC2_TM), 7245 7246 #include "translate/fp-ops.c.inc" 7247 7248 #include "translate/vmx-ops.c.inc" 7249 7250 #include "translate/vsx-ops.c.inc" 7251 7252 #include "translate/spe-ops.c.inc" 7253 }; 7254 7255 /*****************************************************************************/ 7256 /* Opcode types */ 7257 enum { 7258 PPC_DIRECT = 0, /* Opcode routine */ 7259 PPC_INDIRECT = 1, /* Indirect opcode table */ 7260 }; 7261 7262 #define PPC_OPCODE_MASK 0x3 7263 7264 static inline int is_indirect_opcode(void *handler) 7265 { 7266 return ((uintptr_t)handler & PPC_OPCODE_MASK) == PPC_INDIRECT; 7267 } 7268 7269 static inline opc_handler_t **ind_table(void *handler) 7270 { 7271 return (opc_handler_t **)((uintptr_t)handler & ~PPC_OPCODE_MASK); 7272 } 7273 7274 /* Instruction table creation */ 7275 /* Opcodes tables creation */ 7276 static void fill_new_table(opc_handler_t **table, int len) 7277 { 7278 int i; 7279 7280 for (i = 0; i < len; i++) { 7281 table[i] = &invalid_handler; 7282 } 7283 } 7284 7285 static int create_new_table(opc_handler_t **table, unsigned char idx) 7286 { 7287 opc_handler_t **tmp; 7288 7289 tmp = g_new(opc_handler_t *, PPC_CPU_INDIRECT_OPCODES_LEN); 7290 fill_new_table(tmp, PPC_CPU_INDIRECT_OPCODES_LEN); 7291 table[idx] = (opc_handler_t *)((uintptr_t)tmp | PPC_INDIRECT); 7292 7293 return 0; 7294 } 7295 7296 static int insert_in_table(opc_handler_t **table, unsigned char idx, 7297 opc_handler_t *handler) 7298 { 7299 if (table[idx] != &invalid_handler) { 7300 return -1; 7301 } 7302 table[idx] = handler; 7303 7304 return 0; 7305 } 7306 7307 static int register_direct_insn(opc_handler_t **ppc_opcodes, 7308 unsigned char idx, opc_handler_t *handler) 7309 { 7310 if (insert_in_table(ppc_opcodes, idx, handler) < 0) { 7311 printf("*** ERROR: opcode %02x already assigned in main " 7312 "opcode table\n", idx); 7313 return -1; 7314 } 7315 7316 return 0; 7317 } 7318 7319 static int register_ind_in_table(opc_handler_t **table, 7320 unsigned char idx1, unsigned char idx2, 7321 opc_handler_t *handler) 7322 { 7323 if (table[idx1] == &invalid_handler) { 7324 if (create_new_table(table, idx1) < 0) { 7325 printf("*** ERROR: unable to create indirect table " 7326 "idx=%02x\n", idx1); 7327 return -1; 7328 } 7329 } else { 7330 if (!is_indirect_opcode(table[idx1])) { 7331 printf("*** ERROR: idx %02x already assigned to a direct " 7332 "opcode\n", idx1); 7333 return -1; 7334 } 7335 } 7336 if (handler != NULL && 7337 insert_in_table(ind_table(table[idx1]), idx2, handler) < 0) { 7338 printf("*** ERROR: opcode %02x already assigned in " 7339 "opcode table %02x\n", idx2, idx1); 7340 return -1; 7341 } 7342 7343 return 0; 7344 } 7345 7346 static int register_ind_insn(opc_handler_t **ppc_opcodes, 7347 unsigned char idx1, unsigned char idx2, 7348 opc_handler_t *handler) 7349 { 7350 return register_ind_in_table(ppc_opcodes, idx1, idx2, handler); 7351 } 7352 7353 static int register_dblind_insn(opc_handler_t **ppc_opcodes, 7354 unsigned char idx1, unsigned char idx2, 7355 unsigned char idx3, opc_handler_t *handler) 7356 { 7357 if (register_ind_in_table(ppc_opcodes, idx1, idx2, NULL) < 0) { 7358 printf("*** ERROR: unable to join indirect table idx " 7359 "[%02x-%02x]\n", idx1, idx2); 7360 return -1; 7361 } 7362 if (register_ind_in_table(ind_table(ppc_opcodes[idx1]), idx2, idx3, 7363 handler) < 0) { 7364 printf("*** ERROR: unable to insert opcode " 7365 "[%02x-%02x-%02x]\n", idx1, idx2, idx3); 7366 return -1; 7367 } 7368 7369 return 0; 7370 } 7371 7372 static int register_trplind_insn(opc_handler_t **ppc_opcodes, 7373 unsigned char idx1, unsigned char idx2, 7374 unsigned char idx3, unsigned char idx4, 7375 opc_handler_t *handler) 7376 { 7377 opc_handler_t **table; 7378 7379 if (register_ind_in_table(ppc_opcodes, idx1, idx2, NULL) < 0) { 7380 printf("*** ERROR: unable to join indirect table idx " 7381 "[%02x-%02x]\n", idx1, idx2); 7382 return -1; 7383 } 7384 table = ind_table(ppc_opcodes[idx1]); 7385 if (register_ind_in_table(table, idx2, idx3, NULL) < 0) { 7386 printf("*** ERROR: unable to join 2nd-level indirect table idx " 7387 "[%02x-%02x-%02x]\n", idx1, idx2, idx3); 7388 return -1; 7389 } 7390 table = ind_table(table[idx2]); 7391 if (register_ind_in_table(table, idx3, idx4, handler) < 0) { 7392 printf("*** ERROR: unable to insert opcode " 7393 "[%02x-%02x-%02x-%02x]\n", idx1, idx2, idx3, idx4); 7394 return -1; 7395 } 7396 return 0; 7397 } 7398 static int register_insn(opc_handler_t **ppc_opcodes, opcode_t *insn) 7399 { 7400 if (insn->opc2 != 0xFF) { 7401 if (insn->opc3 != 0xFF) { 7402 if (insn->opc4 != 0xFF) { 7403 if (register_trplind_insn(ppc_opcodes, insn->opc1, insn->opc2, 7404 insn->opc3, insn->opc4, 7405 &insn->handler) < 0) { 7406 return -1; 7407 } 7408 } else { 7409 if (register_dblind_insn(ppc_opcodes, insn->opc1, insn->opc2, 7410 insn->opc3, &insn->handler) < 0) { 7411 return -1; 7412 } 7413 } 7414 } else { 7415 if (register_ind_insn(ppc_opcodes, insn->opc1, 7416 insn->opc2, &insn->handler) < 0) { 7417 return -1; 7418 } 7419 } 7420 } else { 7421 if (register_direct_insn(ppc_opcodes, insn->opc1, &insn->handler) < 0) { 7422 return -1; 7423 } 7424 } 7425 7426 return 0; 7427 } 7428 7429 static int test_opcode_table(opc_handler_t **table, int len) 7430 { 7431 int i, count, tmp; 7432 7433 for (i = 0, count = 0; i < len; i++) { 7434 /* Consistency fixup */ 7435 if (table[i] == NULL) { 7436 table[i] = &invalid_handler; 7437 } 7438 if (table[i] != &invalid_handler) { 7439 if (is_indirect_opcode(table[i])) { 7440 tmp = test_opcode_table(ind_table(table[i]), 7441 PPC_CPU_INDIRECT_OPCODES_LEN); 7442 if (tmp == 0) { 7443 free(table[i]); 7444 table[i] = &invalid_handler; 7445 } else { 7446 count++; 7447 } 7448 } else { 7449 count++; 7450 } 7451 } 7452 } 7453 7454 return count; 7455 } 7456 7457 static void fix_opcode_tables(opc_handler_t **ppc_opcodes) 7458 { 7459 if (test_opcode_table(ppc_opcodes, PPC_CPU_OPCODES_LEN) == 0) { 7460 printf("*** WARNING: no opcode defined !\n"); 7461 } 7462 } 7463 7464 /*****************************************************************************/ 7465 void create_ppc_opcodes(PowerPCCPU *cpu, Error **errp) 7466 { 7467 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); 7468 opcode_t *opc; 7469 7470 fill_new_table(cpu->opcodes, PPC_CPU_OPCODES_LEN); 7471 for (opc = opcodes; opc < &opcodes[ARRAY_SIZE(opcodes)]; opc++) { 7472 if (((opc->handler.type & pcc->insns_flags) != 0) || 7473 ((opc->handler.type2 & pcc->insns_flags2) != 0)) { 7474 if (register_insn(cpu->opcodes, opc) < 0) { 7475 error_setg(errp, "ERROR initializing PowerPC instruction " 7476 "0x%02x 0x%02x 0x%02x", opc->opc1, opc->opc2, 7477 opc->opc3); 7478 return; 7479 } 7480 } 7481 } 7482 fix_opcode_tables(cpu->opcodes); 7483 fflush(stdout); 7484 fflush(stderr); 7485 } 7486 7487 void destroy_ppc_opcodes(PowerPCCPU *cpu) 7488 { 7489 opc_handler_t **table, **table_2; 7490 int i, j, k; 7491 7492 for (i = 0; i < PPC_CPU_OPCODES_LEN; i++) { 7493 if (cpu->opcodes[i] == &invalid_handler) { 7494 continue; 7495 } 7496 if (is_indirect_opcode(cpu->opcodes[i])) { 7497 table = ind_table(cpu->opcodes[i]); 7498 for (j = 0; j < PPC_CPU_INDIRECT_OPCODES_LEN; j++) { 7499 if (table[j] == &invalid_handler) { 7500 continue; 7501 } 7502 if (is_indirect_opcode(table[j])) { 7503 table_2 = ind_table(table[j]); 7504 for (k = 0; k < PPC_CPU_INDIRECT_OPCODES_LEN; k++) { 7505 if (table_2[k] != &invalid_handler && 7506 is_indirect_opcode(table_2[k])) { 7507 g_free((opc_handler_t *)((uintptr_t)table_2[k] & 7508 ~PPC_INDIRECT)); 7509 } 7510 } 7511 g_free((opc_handler_t *)((uintptr_t)table[j] & 7512 ~PPC_INDIRECT)); 7513 } 7514 } 7515 g_free((opc_handler_t *)((uintptr_t)cpu->opcodes[i] & 7516 ~PPC_INDIRECT)); 7517 } 7518 } 7519 } 7520 7521 int ppc_fixup_cpu(PowerPCCPU *cpu) 7522 { 7523 CPUPPCState *env = &cpu->env; 7524 7525 /* 7526 * TCG doesn't (yet) emulate some groups of instructions that are 7527 * implemented on some otherwise supported CPUs (e.g. VSX and 7528 * decimal floating point instructions on POWER7). We remove 7529 * unsupported instruction groups from the cpu state's instruction 7530 * masks and hope the guest can cope. For at least the pseries 7531 * machine, the unavailability of these instructions can be 7532 * advertised to the guest via the device tree. 7533 */ 7534 if ((env->insns_flags & ~PPC_TCG_INSNS) 7535 || (env->insns_flags2 & ~PPC_TCG_INSNS2)) { 7536 warn_report("Disabling some instructions which are not " 7537 "emulated by TCG (0x%" PRIx64 ", 0x%" PRIx64 ")", 7538 env->insns_flags & ~PPC_TCG_INSNS, 7539 env->insns_flags2 & ~PPC_TCG_INSNS2); 7540 } 7541 env->insns_flags &= PPC_TCG_INSNS; 7542 env->insns_flags2 &= PPC_TCG_INSNS2; 7543 return 0; 7544 } 7545 7546 static bool decode_legacy(PowerPCCPU *cpu, DisasContext *ctx, uint32_t insn) 7547 { 7548 opc_handler_t **table, *handler; 7549 uint32_t inval; 7550 7551 ctx->opcode = insn; 7552 7553 LOG_DISAS("translate opcode %08x (%02x %02x %02x %02x) (%s)\n", 7554 insn, opc1(insn), opc2(insn), opc3(insn), opc4(insn), 7555 ctx->le_mode ? "little" : "big"); 7556 7557 table = cpu->opcodes; 7558 handler = table[opc1(insn)]; 7559 if (is_indirect_opcode(handler)) { 7560 table = ind_table(handler); 7561 handler = table[opc2(insn)]; 7562 if (is_indirect_opcode(handler)) { 7563 table = ind_table(handler); 7564 handler = table[opc3(insn)]; 7565 if (is_indirect_opcode(handler)) { 7566 table = ind_table(handler); 7567 handler = table[opc4(insn)]; 7568 } 7569 } 7570 } 7571 7572 /* Is opcode *REALLY* valid ? */ 7573 if (unlikely(handler->handler == &gen_invalid)) { 7574 qemu_log_mask(LOG_GUEST_ERROR, "invalid/unsupported opcode: " 7575 "%02x - %02x - %02x - %02x (%08x) " 7576 TARGET_FMT_lx "\n", 7577 opc1(insn), opc2(insn), opc3(insn), opc4(insn), 7578 insn, ctx->cia); 7579 return false; 7580 } 7581 7582 if (unlikely(handler->type & (PPC_SPE | PPC_SPE_SINGLE | PPC_SPE_DOUBLE) 7583 && Rc(insn))) { 7584 inval = handler->inval2; 7585 } else { 7586 inval = handler->inval1; 7587 } 7588 7589 if (unlikely((insn & inval) != 0)) { 7590 qemu_log_mask(LOG_GUEST_ERROR, "invalid bits: %08x for opcode: " 7591 "%02x - %02x - %02x - %02x (%08x) " 7592 TARGET_FMT_lx "\n", insn & inval, 7593 opc1(insn), opc2(insn), opc3(insn), opc4(insn), 7594 insn, ctx->cia); 7595 return false; 7596 } 7597 7598 handler->handler(ctx); 7599 return true; 7600 } 7601 7602 static void ppc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) 7603 { 7604 DisasContext *ctx = container_of(dcbase, DisasContext, base); 7605 CPUPPCState *env = cs->env_ptr; 7606 uint32_t hflags = ctx->base.tb->flags; 7607 7608 ctx->spr_cb = env->spr_cb; 7609 ctx->pr = (hflags >> HFLAGS_PR) & 1; 7610 ctx->mem_idx = (hflags >> HFLAGS_DMMU_IDX) & 7; 7611 ctx->dr = (hflags >> HFLAGS_DR) & 1; 7612 ctx->hv = (hflags >> HFLAGS_HV) & 1; 7613 ctx->insns_flags = env->insns_flags; 7614 ctx->insns_flags2 = env->insns_flags2; 7615 ctx->access_type = -1; 7616 ctx->need_access_type = !mmu_is_64bit(env->mmu_model); 7617 ctx->le_mode = (hflags >> HFLAGS_LE) & 1; 7618 ctx->default_tcg_memop_mask = ctx->le_mode ? MO_LE : MO_BE; 7619 ctx->flags = env->flags; 7620 #if defined(TARGET_PPC64) 7621 ctx->sf_mode = (hflags >> HFLAGS_64) & 1; 7622 ctx->has_cfar = !!(env->flags & POWERPC_FLAG_CFAR); 7623 #endif 7624 ctx->lazy_tlb_flush = env->mmu_model == POWERPC_MMU_32B 7625 || env->mmu_model & POWERPC_MMU_64; 7626 7627 ctx->fpu_enabled = (hflags >> HFLAGS_FP) & 1; 7628 ctx->spe_enabled = (hflags >> HFLAGS_SPE) & 1; 7629 ctx->altivec_enabled = (hflags >> HFLAGS_VR) & 1; 7630 ctx->vsx_enabled = (hflags >> HFLAGS_VSX) & 1; 7631 ctx->tm_enabled = (hflags >> HFLAGS_TM) & 1; 7632 ctx->gtse = (hflags >> HFLAGS_GTSE) & 1; 7633 ctx->hr = (hflags >> HFLAGS_HR) & 1; 7634 ctx->mmcr0_pmcc0 = (hflags >> HFLAGS_PMCC0) & 1; 7635 ctx->mmcr0_pmcc1 = (hflags >> HFLAGS_PMCC1) & 1; 7636 ctx->pmu_insn_cnt = (hflags >> HFLAGS_INSN_CNT) & 1; 7637 7638 ctx->singlestep_enabled = 0; 7639 if ((hflags >> HFLAGS_SE) & 1) { 7640 ctx->singlestep_enabled |= CPU_SINGLE_STEP; 7641 ctx->base.max_insns = 1; 7642 } 7643 if ((hflags >> HFLAGS_BE) & 1) { 7644 ctx->singlestep_enabled |= CPU_BRANCH_STEP; 7645 } 7646 } 7647 7648 static void ppc_tr_tb_start(DisasContextBase *db, CPUState *cs) 7649 { 7650 } 7651 7652 static void ppc_tr_insn_start(DisasContextBase *dcbase, CPUState *cs) 7653 { 7654 tcg_gen_insn_start(dcbase->pc_next); 7655 } 7656 7657 static bool is_prefix_insn(DisasContext *ctx, uint32_t insn) 7658 { 7659 REQUIRE_INSNS_FLAGS2(ctx, ISA310); 7660 return opc1(insn) == 1; 7661 } 7662 7663 static void ppc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) 7664 { 7665 DisasContext *ctx = container_of(dcbase, DisasContext, base); 7666 PowerPCCPU *cpu = POWERPC_CPU(cs); 7667 CPUPPCState *env = cs->env_ptr; 7668 target_ulong pc; 7669 uint32_t insn; 7670 bool ok; 7671 7672 LOG_DISAS("----------------\n"); 7673 LOG_DISAS("nip=" TARGET_FMT_lx " super=%d ir=%d\n", 7674 ctx->base.pc_next, ctx->mem_idx, (int)msr_ir); 7675 7676 ctx->cia = pc = ctx->base.pc_next; 7677 insn = translator_ldl_swap(env, dcbase, pc, need_byteswap(ctx)); 7678 ctx->base.pc_next = pc += 4; 7679 7680 if (!is_prefix_insn(ctx, insn)) { 7681 ok = (decode_insn32(ctx, insn) || 7682 decode_legacy(cpu, ctx, insn)); 7683 } else if ((pc & 63) == 0) { 7684 /* 7685 * Power v3.1, section 1.9 Exceptions: 7686 * attempt to execute a prefixed instruction that crosses a 7687 * 64-byte address boundary (system alignment error). 7688 */ 7689 gen_exception_err(ctx, POWERPC_EXCP_ALIGN, POWERPC_EXCP_ALIGN_INSN); 7690 ok = true; 7691 } else { 7692 uint32_t insn2 = translator_ldl_swap(env, dcbase, pc, 7693 need_byteswap(ctx)); 7694 ctx->base.pc_next = pc += 4; 7695 ok = decode_insn64(ctx, deposit64(insn2, 32, 32, insn)); 7696 } 7697 if (!ok) { 7698 gen_invalid(ctx); 7699 } 7700 7701 /* End the TB when crossing a page boundary. */ 7702 if (ctx->base.is_jmp == DISAS_NEXT && !(pc & ~TARGET_PAGE_MASK)) { 7703 ctx->base.is_jmp = DISAS_TOO_MANY; 7704 } 7705 7706 translator_loop_temp_check(&ctx->base); 7707 } 7708 7709 static void ppc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs) 7710 { 7711 DisasContext *ctx = container_of(dcbase, DisasContext, base); 7712 DisasJumpType is_jmp = ctx->base.is_jmp; 7713 target_ulong nip = ctx->base.pc_next; 7714 7715 if (is_jmp == DISAS_NORETURN) { 7716 /* We have already exited the TB. */ 7717 return; 7718 } 7719 7720 /* Honor single stepping. */ 7721 if (unlikely(ctx->singlestep_enabled & CPU_SINGLE_STEP) 7722 && (nip <= 0x100 || nip > 0xf00)) { 7723 switch (is_jmp) { 7724 case DISAS_TOO_MANY: 7725 case DISAS_EXIT_UPDATE: 7726 case DISAS_CHAIN_UPDATE: 7727 gen_update_nip(ctx, nip); 7728 break; 7729 case DISAS_EXIT: 7730 case DISAS_CHAIN: 7731 break; 7732 default: 7733 g_assert_not_reached(); 7734 } 7735 7736 gen_debug_exception(ctx); 7737 return; 7738 } 7739 7740 switch (is_jmp) { 7741 case DISAS_TOO_MANY: 7742 if (use_goto_tb(ctx, nip)) { 7743 pmu_count_insns(ctx); 7744 tcg_gen_goto_tb(0); 7745 gen_update_nip(ctx, nip); 7746 tcg_gen_exit_tb(ctx->base.tb, 0); 7747 break; 7748 } 7749 /* fall through */ 7750 case DISAS_CHAIN_UPDATE: 7751 gen_update_nip(ctx, nip); 7752 /* fall through */ 7753 case DISAS_CHAIN: 7754 /* 7755 * tcg_gen_lookup_and_goto_ptr will exit the TB if 7756 * CF_NO_GOTO_PTR is set. Count insns now. 7757 */ 7758 if (ctx->base.tb->flags & CF_NO_GOTO_PTR) { 7759 pmu_count_insns(ctx); 7760 } 7761 7762 tcg_gen_lookup_and_goto_ptr(); 7763 break; 7764 7765 case DISAS_EXIT_UPDATE: 7766 gen_update_nip(ctx, nip); 7767 /* fall through */ 7768 case DISAS_EXIT: 7769 pmu_count_insns(ctx); 7770 tcg_gen_exit_tb(NULL, 0); 7771 break; 7772 7773 default: 7774 g_assert_not_reached(); 7775 } 7776 } 7777 7778 static void ppc_tr_disas_log(const DisasContextBase *dcbase, CPUState *cs) 7779 { 7780 qemu_log("IN: %s\n", lookup_symbol(dcbase->pc_first)); 7781 log_target_disas(cs, dcbase->pc_first, dcbase->tb->size); 7782 } 7783 7784 static const TranslatorOps ppc_tr_ops = { 7785 .init_disas_context = ppc_tr_init_disas_context, 7786 .tb_start = ppc_tr_tb_start, 7787 .insn_start = ppc_tr_insn_start, 7788 .translate_insn = ppc_tr_translate_insn, 7789 .tb_stop = ppc_tr_tb_stop, 7790 .disas_log = ppc_tr_disas_log, 7791 }; 7792 7793 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns) 7794 { 7795 DisasContext ctx; 7796 7797 translator_loop(&ppc_tr_ops, &ctx.base, cs, tb, max_insns); 7798 } 7799 7800 void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb, 7801 target_ulong *data) 7802 { 7803 env->nip = data[0]; 7804 } 7805