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 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 "trace-tcg.h" 36 #include "exec/translator.h" 37 #include "exec/log.h" 38 #include "qemu/atomic128.h" 39 40 41 #define CPU_SINGLE_STEP 0x1 42 #define CPU_BRANCH_STEP 0x2 43 #define GDBSTUB_SINGLE_STEP 0x4 44 45 /* Include definitions for instructions classes and implementations flags */ 46 /* #define PPC_DEBUG_DISAS */ 47 /* #define DO_PPC_STATISTICS */ 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 uint32_t opcode; 158 uint32_t exception; 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 ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */ 178 int singlestep_enabled; 179 uint32_t flags; 180 uint64_t insns_flags; 181 uint64_t insns_flags2; 182 }; 183 184 /* Return true iff byteswap is needed in a scalar memop */ 185 static inline bool need_byteswap(const DisasContext *ctx) 186 { 187 #if defined(TARGET_WORDS_BIGENDIAN) 188 return ctx->le_mode; 189 #else 190 return !ctx->le_mode; 191 #endif 192 } 193 194 /* True when active word size < size of target_long. */ 195 #ifdef TARGET_PPC64 196 # define NARROW_MODE(C) (!(C)->sf_mode) 197 #else 198 # define NARROW_MODE(C) 0 199 #endif 200 201 struct opc_handler_t { 202 /* invalid bits for instruction 1 (Rc(opcode) == 0) */ 203 uint32_t inval1; 204 /* invalid bits for instruction 2 (Rc(opcode) == 1) */ 205 uint32_t inval2; 206 /* instruction type */ 207 uint64_t type; 208 /* extended instruction type */ 209 uint64_t type2; 210 /* handler */ 211 void (*handler)(DisasContext *ctx); 212 #if defined(DO_PPC_STATISTICS) || defined(PPC_DUMP_CPU) 213 const char *oname; 214 #endif 215 #if defined(DO_PPC_STATISTICS) 216 uint64_t count; 217 #endif 218 }; 219 220 /* SPR load/store helpers */ 221 static inline void gen_load_spr(TCGv t, int reg) 222 { 223 tcg_gen_ld_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg])); 224 } 225 226 static inline void gen_store_spr(int reg, TCGv t) 227 { 228 tcg_gen_st_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg])); 229 } 230 231 static inline void gen_set_access_type(DisasContext *ctx, int access_type) 232 { 233 if (ctx->need_access_type && ctx->access_type != access_type) { 234 tcg_gen_movi_i32(cpu_access_type, access_type); 235 ctx->access_type = access_type; 236 } 237 } 238 239 static inline void gen_update_nip(DisasContext *ctx, target_ulong nip) 240 { 241 if (NARROW_MODE(ctx)) { 242 nip = (uint32_t)nip; 243 } 244 tcg_gen_movi_tl(cpu_nip, nip); 245 } 246 247 static void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error) 248 { 249 TCGv_i32 t0, t1; 250 251 /* 252 * These are all synchronous exceptions, we set the PC back to the 253 * faulting instruction 254 */ 255 if (ctx->exception == POWERPC_EXCP_NONE) { 256 gen_update_nip(ctx, ctx->base.pc_next - 4); 257 } 258 t0 = tcg_const_i32(excp); 259 t1 = tcg_const_i32(error); 260 gen_helper_raise_exception_err(cpu_env, t0, t1); 261 tcg_temp_free_i32(t0); 262 tcg_temp_free_i32(t1); 263 ctx->exception = (excp); 264 } 265 266 static void gen_exception(DisasContext *ctx, uint32_t excp) 267 { 268 TCGv_i32 t0; 269 270 /* 271 * These are all synchronous exceptions, we set the PC back to the 272 * faulting instruction 273 */ 274 if (ctx->exception == POWERPC_EXCP_NONE) { 275 gen_update_nip(ctx, ctx->base.pc_next - 4); 276 } 277 t0 = tcg_const_i32(excp); 278 gen_helper_raise_exception(cpu_env, t0); 279 tcg_temp_free_i32(t0); 280 ctx->exception = (excp); 281 } 282 283 static void gen_exception_nip(DisasContext *ctx, uint32_t excp, 284 target_ulong nip) 285 { 286 TCGv_i32 t0; 287 288 gen_update_nip(ctx, nip); 289 t0 = tcg_const_i32(excp); 290 gen_helper_raise_exception(cpu_env, t0); 291 tcg_temp_free_i32(t0); 292 ctx->exception = (excp); 293 } 294 295 /* 296 * Tells the caller what is the appropriate exception to generate and prepares 297 * SPR registers for this exception. 298 * 299 * The exception can be either POWERPC_EXCP_TRACE (on most PowerPCs) or 300 * POWERPC_EXCP_DEBUG (on BookE). 301 */ 302 static uint32_t gen_prep_dbgex(DisasContext *ctx) 303 { 304 if (ctx->flags & POWERPC_FLAG_DE) { 305 target_ulong dbsr = 0; 306 if (ctx->singlestep_enabled & CPU_SINGLE_STEP) { 307 dbsr = DBCR0_ICMP; 308 } else { 309 /* Must have been branch */ 310 dbsr = DBCR0_BRT; 311 } 312 TCGv t0 = tcg_temp_new(); 313 gen_load_spr(t0, SPR_BOOKE_DBSR); 314 tcg_gen_ori_tl(t0, t0, dbsr); 315 gen_store_spr(SPR_BOOKE_DBSR, t0); 316 tcg_temp_free(t0); 317 return POWERPC_EXCP_DEBUG; 318 } else { 319 return POWERPC_EXCP_TRACE; 320 } 321 } 322 323 static void gen_debug_exception(DisasContext *ctx) 324 { 325 TCGv_i32 t0; 326 327 /* 328 * These are all synchronous exceptions, we set the PC back to the 329 * faulting instruction 330 */ 331 if ((ctx->exception != POWERPC_EXCP_BRANCH) && 332 (ctx->exception != POWERPC_EXCP_SYNC)) { 333 gen_update_nip(ctx, ctx->base.pc_next); 334 } 335 t0 = tcg_const_i32(EXCP_DEBUG); 336 gen_helper_raise_exception(cpu_env, t0); 337 tcg_temp_free_i32(t0); 338 } 339 340 static inline void gen_inval_exception(DisasContext *ctx, uint32_t error) 341 { 342 /* Will be converted to program check if needed */ 343 gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_INVAL | error); 344 } 345 346 static inline void gen_priv_exception(DisasContext *ctx, uint32_t error) 347 { 348 gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_PRIV | error); 349 } 350 351 static inline void gen_hvpriv_exception(DisasContext *ctx, uint32_t error) 352 { 353 /* Will be converted to program check if needed */ 354 gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_PRIV | error); 355 } 356 357 /* Stop translation */ 358 static inline void gen_stop_exception(DisasContext *ctx) 359 { 360 gen_update_nip(ctx, ctx->base.pc_next); 361 ctx->exception = POWERPC_EXCP_STOP; 362 } 363 364 #ifndef CONFIG_USER_ONLY 365 /* No need to update nip here, as execution flow will change */ 366 static inline void gen_sync_exception(DisasContext *ctx) 367 { 368 ctx->exception = POWERPC_EXCP_SYNC; 369 } 370 #endif 371 372 #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \ 373 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, PPC_NONE) 374 375 #define GEN_HANDLER_E(name, opc1, opc2, opc3, inval, type, type2) \ 376 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, type2) 377 378 #define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type) \ 379 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, PPC_NONE) 380 381 #define GEN_HANDLER2_E(name, onam, opc1, opc2, opc3, inval, type, type2) \ 382 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, type2) 383 384 #define GEN_HANDLER_E_2(name, opc1, opc2, opc3, opc4, inval, type, type2) \ 385 GEN_OPCODE3(name, opc1, opc2, opc3, opc4, inval, type, type2) 386 387 #define GEN_HANDLER2_E_2(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) \ 388 GEN_OPCODE4(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) 389 390 typedef struct opcode_t { 391 unsigned char opc1, opc2, opc3, opc4; 392 #if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */ 393 unsigned char pad[4]; 394 #endif 395 opc_handler_t handler; 396 const char *oname; 397 } opcode_t; 398 399 /* Helpers for priv. check */ 400 #define GEN_PRIV \ 401 do { \ 402 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; \ 403 } while (0) 404 405 #if defined(CONFIG_USER_ONLY) 406 #define CHK_HV GEN_PRIV 407 #define CHK_SV GEN_PRIV 408 #define CHK_HVRM GEN_PRIV 409 #else 410 #define CHK_HV \ 411 do { \ 412 if (unlikely(ctx->pr || !ctx->hv)) { \ 413 GEN_PRIV; \ 414 } \ 415 } while (0) 416 #define CHK_SV \ 417 do { \ 418 if (unlikely(ctx->pr)) { \ 419 GEN_PRIV; \ 420 } \ 421 } while (0) 422 #define CHK_HVRM \ 423 do { \ 424 if (unlikely(ctx->pr || !ctx->hv || ctx->dr)) { \ 425 GEN_PRIV; \ 426 } \ 427 } while (0) 428 #endif 429 430 #define CHK_NONE 431 432 /*****************************************************************************/ 433 /* PowerPC instructions table */ 434 435 #if defined(DO_PPC_STATISTICS) 436 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2) \ 437 { \ 438 .opc1 = op1, \ 439 .opc2 = op2, \ 440 .opc3 = op3, \ 441 .opc4 = 0xff, \ 442 .handler = { \ 443 .inval1 = invl, \ 444 .type = _typ, \ 445 .type2 = _typ2, \ 446 .handler = &gen_##name, \ 447 .oname = stringify(name), \ 448 }, \ 449 .oname = stringify(name), \ 450 } 451 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2) \ 452 { \ 453 .opc1 = op1, \ 454 .opc2 = op2, \ 455 .opc3 = op3, \ 456 .opc4 = 0xff, \ 457 .handler = { \ 458 .inval1 = invl1, \ 459 .inval2 = invl2, \ 460 .type = _typ, \ 461 .type2 = _typ2, \ 462 .handler = &gen_##name, \ 463 .oname = stringify(name), \ 464 }, \ 465 .oname = stringify(name), \ 466 } 467 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2) \ 468 { \ 469 .opc1 = op1, \ 470 .opc2 = op2, \ 471 .opc3 = op3, \ 472 .opc4 = 0xff, \ 473 .handler = { \ 474 .inval1 = invl, \ 475 .type = _typ, \ 476 .type2 = _typ2, \ 477 .handler = &gen_##name, \ 478 .oname = onam, \ 479 }, \ 480 .oname = onam, \ 481 } 482 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2) \ 483 { \ 484 .opc1 = op1, \ 485 .opc2 = op2, \ 486 .opc3 = op3, \ 487 .opc4 = op4, \ 488 .handler = { \ 489 .inval1 = invl, \ 490 .type = _typ, \ 491 .type2 = _typ2, \ 492 .handler = &gen_##name, \ 493 .oname = stringify(name), \ 494 }, \ 495 .oname = stringify(name), \ 496 } 497 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2) \ 498 { \ 499 .opc1 = op1, \ 500 .opc2 = op2, \ 501 .opc3 = op3, \ 502 .opc4 = op4, \ 503 .handler = { \ 504 .inval1 = invl, \ 505 .type = _typ, \ 506 .type2 = _typ2, \ 507 .handler = &gen_##name, \ 508 .oname = onam, \ 509 }, \ 510 .oname = onam, \ 511 } 512 #else 513 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2) \ 514 { \ 515 .opc1 = op1, \ 516 .opc2 = op2, \ 517 .opc3 = op3, \ 518 .opc4 = 0xff, \ 519 .handler = { \ 520 .inval1 = invl, \ 521 .type = _typ, \ 522 .type2 = _typ2, \ 523 .handler = &gen_##name, \ 524 }, \ 525 .oname = stringify(name), \ 526 } 527 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2) \ 528 { \ 529 .opc1 = op1, \ 530 .opc2 = op2, \ 531 .opc3 = op3, \ 532 .opc4 = 0xff, \ 533 .handler = { \ 534 .inval1 = invl1, \ 535 .inval2 = invl2, \ 536 .type = _typ, \ 537 .type2 = _typ2, \ 538 .handler = &gen_##name, \ 539 }, \ 540 .oname = stringify(name), \ 541 } 542 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2) \ 543 { \ 544 .opc1 = op1, \ 545 .opc2 = op2, \ 546 .opc3 = op3, \ 547 .opc4 = 0xff, \ 548 .handler = { \ 549 .inval1 = invl, \ 550 .type = _typ, \ 551 .type2 = _typ2, \ 552 .handler = &gen_##name, \ 553 }, \ 554 .oname = onam, \ 555 } 556 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2) \ 557 { \ 558 .opc1 = op1, \ 559 .opc2 = op2, \ 560 .opc3 = op3, \ 561 .opc4 = op4, \ 562 .handler = { \ 563 .inval1 = invl, \ 564 .type = _typ, \ 565 .type2 = _typ2, \ 566 .handler = &gen_##name, \ 567 }, \ 568 .oname = stringify(name), \ 569 } 570 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2) \ 571 { \ 572 .opc1 = op1, \ 573 .opc2 = op2, \ 574 .opc3 = op3, \ 575 .opc4 = op4, \ 576 .handler = { \ 577 .inval1 = invl, \ 578 .type = _typ, \ 579 .type2 = _typ2, \ 580 .handler = &gen_##name, \ 581 }, \ 582 .oname = onam, \ 583 } 584 #endif 585 586 /* Invalid instruction */ 587 static void gen_invalid(DisasContext *ctx) 588 { 589 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 590 } 591 592 static opc_handler_t invalid_handler = { 593 .inval1 = 0xFFFFFFFF, 594 .inval2 = 0xFFFFFFFF, 595 .type = PPC_NONE, 596 .type2 = PPC_NONE, 597 .handler = gen_invalid, 598 }; 599 600 /*** Integer comparison ***/ 601 602 static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf) 603 { 604 TCGv t0 = tcg_temp_new(); 605 TCGv t1 = tcg_temp_new(); 606 TCGv_i32 t = tcg_temp_new_i32(); 607 608 tcg_gen_movi_tl(t0, CRF_EQ); 609 tcg_gen_movi_tl(t1, CRF_LT); 610 tcg_gen_movcond_tl((s ? TCG_COND_LT : TCG_COND_LTU), 611 t0, arg0, arg1, t1, t0); 612 tcg_gen_movi_tl(t1, CRF_GT); 613 tcg_gen_movcond_tl((s ? TCG_COND_GT : TCG_COND_GTU), 614 t0, arg0, arg1, t1, t0); 615 616 tcg_gen_trunc_tl_i32(t, t0); 617 tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so); 618 tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t); 619 620 tcg_temp_free(t0); 621 tcg_temp_free(t1); 622 tcg_temp_free_i32(t); 623 } 624 625 static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf) 626 { 627 TCGv t0 = tcg_const_tl(arg1); 628 gen_op_cmp(arg0, t0, s, crf); 629 tcg_temp_free(t0); 630 } 631 632 static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf) 633 { 634 TCGv t0, t1; 635 t0 = tcg_temp_new(); 636 t1 = tcg_temp_new(); 637 if (s) { 638 tcg_gen_ext32s_tl(t0, arg0); 639 tcg_gen_ext32s_tl(t1, arg1); 640 } else { 641 tcg_gen_ext32u_tl(t0, arg0); 642 tcg_gen_ext32u_tl(t1, arg1); 643 } 644 gen_op_cmp(t0, t1, s, crf); 645 tcg_temp_free(t1); 646 tcg_temp_free(t0); 647 } 648 649 static inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf) 650 { 651 TCGv t0 = tcg_const_tl(arg1); 652 gen_op_cmp32(arg0, t0, s, crf); 653 tcg_temp_free(t0); 654 } 655 656 static inline void gen_set_Rc0(DisasContext *ctx, TCGv reg) 657 { 658 if (NARROW_MODE(ctx)) { 659 gen_op_cmpi32(reg, 0, 1, 0); 660 } else { 661 gen_op_cmpi(reg, 0, 1, 0); 662 } 663 } 664 665 /* cmp */ 666 static void gen_cmp(DisasContext *ctx) 667 { 668 if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) { 669 gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 670 1, crfD(ctx->opcode)); 671 } else { 672 gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 673 1, crfD(ctx->opcode)); 674 } 675 } 676 677 /* cmpi */ 678 static void gen_cmpi(DisasContext *ctx) 679 { 680 if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) { 681 gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode), 682 1, crfD(ctx->opcode)); 683 } else { 684 gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode), 685 1, crfD(ctx->opcode)); 686 } 687 } 688 689 /* cmpl */ 690 static void gen_cmpl(DisasContext *ctx) 691 { 692 if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) { 693 gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 694 0, crfD(ctx->opcode)); 695 } else { 696 gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 697 0, crfD(ctx->opcode)); 698 } 699 } 700 701 /* cmpli */ 702 static void gen_cmpli(DisasContext *ctx) 703 { 704 if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) { 705 gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode), 706 0, crfD(ctx->opcode)); 707 } else { 708 gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode), 709 0, crfD(ctx->opcode)); 710 } 711 } 712 713 /* cmprb - range comparison: isupper, isaplha, islower*/ 714 static void gen_cmprb(DisasContext *ctx) 715 { 716 TCGv_i32 src1 = tcg_temp_new_i32(); 717 TCGv_i32 src2 = tcg_temp_new_i32(); 718 TCGv_i32 src2lo = tcg_temp_new_i32(); 719 TCGv_i32 src2hi = tcg_temp_new_i32(); 720 TCGv_i32 crf = cpu_crf[crfD(ctx->opcode)]; 721 722 tcg_gen_trunc_tl_i32(src1, cpu_gpr[rA(ctx->opcode)]); 723 tcg_gen_trunc_tl_i32(src2, cpu_gpr[rB(ctx->opcode)]); 724 725 tcg_gen_andi_i32(src1, src1, 0xFF); 726 tcg_gen_ext8u_i32(src2lo, src2); 727 tcg_gen_shri_i32(src2, src2, 8); 728 tcg_gen_ext8u_i32(src2hi, src2); 729 730 tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1); 731 tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi); 732 tcg_gen_and_i32(crf, src2lo, src2hi); 733 734 if (ctx->opcode & 0x00200000) { 735 tcg_gen_shri_i32(src2, src2, 8); 736 tcg_gen_ext8u_i32(src2lo, src2); 737 tcg_gen_shri_i32(src2, src2, 8); 738 tcg_gen_ext8u_i32(src2hi, src2); 739 tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1); 740 tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi); 741 tcg_gen_and_i32(src2lo, src2lo, src2hi); 742 tcg_gen_or_i32(crf, crf, src2lo); 743 } 744 tcg_gen_shli_i32(crf, crf, CRF_GT_BIT); 745 tcg_temp_free_i32(src1); 746 tcg_temp_free_i32(src2); 747 tcg_temp_free_i32(src2lo); 748 tcg_temp_free_i32(src2hi); 749 } 750 751 #if defined(TARGET_PPC64) 752 /* cmpeqb */ 753 static void gen_cmpeqb(DisasContext *ctx) 754 { 755 gen_helper_cmpeqb(cpu_crf[crfD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 756 cpu_gpr[rB(ctx->opcode)]); 757 } 758 #endif 759 760 /* isel (PowerPC 2.03 specification) */ 761 static void gen_isel(DisasContext *ctx) 762 { 763 uint32_t bi = rC(ctx->opcode); 764 uint32_t mask = 0x08 >> (bi & 0x03); 765 TCGv t0 = tcg_temp_new(); 766 TCGv zr; 767 768 tcg_gen_extu_i32_tl(t0, cpu_crf[bi >> 2]); 769 tcg_gen_andi_tl(t0, t0, mask); 770 771 zr = tcg_const_tl(0); 772 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rD(ctx->opcode)], t0, zr, 773 rA(ctx->opcode) ? cpu_gpr[rA(ctx->opcode)] : zr, 774 cpu_gpr[rB(ctx->opcode)]); 775 tcg_temp_free(zr); 776 tcg_temp_free(t0); 777 } 778 779 /* cmpb: PowerPC 2.05 specification */ 780 static void gen_cmpb(DisasContext *ctx) 781 { 782 gen_helper_cmpb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 783 cpu_gpr[rB(ctx->opcode)]); 784 } 785 786 /*** Integer arithmetic ***/ 787 788 static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0, 789 TCGv arg1, TCGv arg2, int sub) 790 { 791 TCGv t0 = tcg_temp_new(); 792 793 tcg_gen_xor_tl(cpu_ov, arg0, arg2); 794 tcg_gen_xor_tl(t0, arg1, arg2); 795 if (sub) { 796 tcg_gen_and_tl(cpu_ov, cpu_ov, t0); 797 } else { 798 tcg_gen_andc_tl(cpu_ov, cpu_ov, t0); 799 } 800 tcg_temp_free(t0); 801 if (NARROW_MODE(ctx)) { 802 tcg_gen_extract_tl(cpu_ov, cpu_ov, 31, 1); 803 if (is_isa300(ctx)) { 804 tcg_gen_mov_tl(cpu_ov32, cpu_ov); 805 } 806 } else { 807 if (is_isa300(ctx)) { 808 tcg_gen_extract_tl(cpu_ov32, cpu_ov, 31, 1); 809 } 810 tcg_gen_extract_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1, 1); 811 } 812 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 813 } 814 815 static inline void gen_op_arith_compute_ca32(DisasContext *ctx, 816 TCGv res, TCGv arg0, TCGv arg1, 817 TCGv ca32, int sub) 818 { 819 TCGv t0; 820 821 if (!is_isa300(ctx)) { 822 return; 823 } 824 825 t0 = tcg_temp_new(); 826 if (sub) { 827 tcg_gen_eqv_tl(t0, arg0, arg1); 828 } else { 829 tcg_gen_xor_tl(t0, arg0, arg1); 830 } 831 tcg_gen_xor_tl(t0, t0, res); 832 tcg_gen_extract_tl(ca32, t0, 32, 1); 833 tcg_temp_free(t0); 834 } 835 836 /* Common add function */ 837 static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1, 838 TCGv arg2, TCGv ca, TCGv ca32, 839 bool add_ca, bool compute_ca, 840 bool compute_ov, bool compute_rc0) 841 { 842 TCGv t0 = ret; 843 844 if (compute_ca || compute_ov) { 845 t0 = tcg_temp_new(); 846 } 847 848 if (compute_ca) { 849 if (NARROW_MODE(ctx)) { 850 /* 851 * Caution: a non-obvious corner case of the spec is that 852 * we must produce the *entire* 64-bit addition, but 853 * produce the carry into bit 32. 854 */ 855 TCGv t1 = tcg_temp_new(); 856 tcg_gen_xor_tl(t1, arg1, arg2); /* add without carry */ 857 tcg_gen_add_tl(t0, arg1, arg2); 858 if (add_ca) { 859 tcg_gen_add_tl(t0, t0, ca); 860 } 861 tcg_gen_xor_tl(ca, t0, t1); /* bits changed w/ carry */ 862 tcg_temp_free(t1); 863 tcg_gen_extract_tl(ca, ca, 32, 1); 864 if (is_isa300(ctx)) { 865 tcg_gen_mov_tl(ca32, ca); 866 } 867 } else { 868 TCGv zero = tcg_const_tl(0); 869 if (add_ca) { 870 tcg_gen_add2_tl(t0, ca, arg1, zero, ca, zero); 871 tcg_gen_add2_tl(t0, ca, t0, ca, arg2, zero); 872 } else { 873 tcg_gen_add2_tl(t0, ca, arg1, zero, arg2, zero); 874 } 875 gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, ca32, 0); 876 tcg_temp_free(zero); 877 } 878 } else { 879 tcg_gen_add_tl(t0, arg1, arg2); 880 if (add_ca) { 881 tcg_gen_add_tl(t0, t0, ca); 882 } 883 } 884 885 if (compute_ov) { 886 gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0); 887 } 888 if (unlikely(compute_rc0)) { 889 gen_set_Rc0(ctx, t0); 890 } 891 892 if (t0 != ret) { 893 tcg_gen_mov_tl(ret, t0); 894 tcg_temp_free(t0); 895 } 896 } 897 /* Add functions with two operands */ 898 #define GEN_INT_ARITH_ADD(name, opc3, ca, add_ca, compute_ca, compute_ov) \ 899 static void glue(gen_, name)(DisasContext *ctx) \ 900 { \ 901 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \ 902 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 903 ca, glue(ca, 32), \ 904 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ 905 } 906 /* Add functions with one operand and one immediate */ 907 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, ca, \ 908 add_ca, compute_ca, compute_ov) \ 909 static void glue(gen_, name)(DisasContext *ctx) \ 910 { \ 911 TCGv t0 = tcg_const_tl(const_val); \ 912 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \ 913 cpu_gpr[rA(ctx->opcode)], t0, \ 914 ca, glue(ca, 32), \ 915 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ 916 tcg_temp_free(t0); \ 917 } 918 919 /* add add. addo addo. */ 920 GEN_INT_ARITH_ADD(add, 0x08, cpu_ca, 0, 0, 0) 921 GEN_INT_ARITH_ADD(addo, 0x18, cpu_ca, 0, 0, 1) 922 /* addc addc. addco addco. */ 923 GEN_INT_ARITH_ADD(addc, 0x00, cpu_ca, 0, 1, 0) 924 GEN_INT_ARITH_ADD(addco, 0x10, cpu_ca, 0, 1, 1) 925 /* adde adde. addeo addeo. */ 926 GEN_INT_ARITH_ADD(adde, 0x04, cpu_ca, 1, 1, 0) 927 GEN_INT_ARITH_ADD(addeo, 0x14, cpu_ca, 1, 1, 1) 928 /* addme addme. addmeo addmeo. */ 929 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, cpu_ca, 1, 1, 0) 930 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, cpu_ca, 1, 1, 1) 931 /* addex */ 932 GEN_INT_ARITH_ADD(addex, 0x05, cpu_ov, 1, 1, 0); 933 /* addze addze. addzeo addzeo.*/ 934 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, cpu_ca, 1, 1, 0) 935 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, cpu_ca, 1, 1, 1) 936 /* addi */ 937 static void gen_addi(DisasContext *ctx) 938 { 939 target_long simm = SIMM(ctx->opcode); 940 941 if (rA(ctx->opcode) == 0) { 942 /* li case */ 943 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm); 944 } else { 945 tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)], 946 cpu_gpr[rA(ctx->opcode)], simm); 947 } 948 } 949 /* addic addic.*/ 950 static inline void gen_op_addic(DisasContext *ctx, bool compute_rc0) 951 { 952 TCGv c = tcg_const_tl(SIMM(ctx->opcode)); 953 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 954 c, cpu_ca, cpu_ca32, 0, 1, 0, compute_rc0); 955 tcg_temp_free(c); 956 } 957 958 static void gen_addic(DisasContext *ctx) 959 { 960 gen_op_addic(ctx, 0); 961 } 962 963 static void gen_addic_(DisasContext *ctx) 964 { 965 gen_op_addic(ctx, 1); 966 } 967 968 /* addis */ 969 static void gen_addis(DisasContext *ctx) 970 { 971 target_long simm = SIMM(ctx->opcode); 972 973 if (rA(ctx->opcode) == 0) { 974 /* lis case */ 975 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm << 16); 976 } else { 977 tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)], 978 cpu_gpr[rA(ctx->opcode)], simm << 16); 979 } 980 } 981 982 /* addpcis */ 983 static void gen_addpcis(DisasContext *ctx) 984 { 985 target_long d = DX(ctx->opcode); 986 987 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], ctx->base.pc_next + (d << 16)); 988 } 989 990 static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1, 991 TCGv arg2, int sign, int compute_ov) 992 { 993 TCGv_i32 t0 = tcg_temp_new_i32(); 994 TCGv_i32 t1 = tcg_temp_new_i32(); 995 TCGv_i32 t2 = tcg_temp_new_i32(); 996 TCGv_i32 t3 = tcg_temp_new_i32(); 997 998 tcg_gen_trunc_tl_i32(t0, arg1); 999 tcg_gen_trunc_tl_i32(t1, arg2); 1000 if (sign) { 1001 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN); 1002 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1); 1003 tcg_gen_and_i32(t2, t2, t3); 1004 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0); 1005 tcg_gen_or_i32(t2, t2, t3); 1006 tcg_gen_movi_i32(t3, 0); 1007 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1); 1008 tcg_gen_div_i32(t3, t0, t1); 1009 tcg_gen_extu_i32_tl(ret, t3); 1010 } else { 1011 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t1, 0); 1012 tcg_gen_movi_i32(t3, 0); 1013 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1); 1014 tcg_gen_divu_i32(t3, t0, t1); 1015 tcg_gen_extu_i32_tl(ret, t3); 1016 } 1017 if (compute_ov) { 1018 tcg_gen_extu_i32_tl(cpu_ov, t2); 1019 if (is_isa300(ctx)) { 1020 tcg_gen_extu_i32_tl(cpu_ov32, t2); 1021 } 1022 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 1023 } 1024 tcg_temp_free_i32(t0); 1025 tcg_temp_free_i32(t1); 1026 tcg_temp_free_i32(t2); 1027 tcg_temp_free_i32(t3); 1028 1029 if (unlikely(Rc(ctx->opcode) != 0)) { 1030 gen_set_Rc0(ctx, ret); 1031 } 1032 } 1033 /* Div functions */ 1034 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \ 1035 static void glue(gen_, name)(DisasContext *ctx) \ 1036 { \ 1037 gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)], \ 1038 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 1039 sign, compute_ov); \ 1040 } 1041 /* divwu divwu. divwuo divwuo. */ 1042 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0); 1043 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1); 1044 /* divw divw. divwo divwo. */ 1045 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0); 1046 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1); 1047 1048 /* div[wd]eu[o][.] */ 1049 #define GEN_DIVE(name, hlpr, compute_ov) \ 1050 static void gen_##name(DisasContext *ctx) \ 1051 { \ 1052 TCGv_i32 t0 = tcg_const_i32(compute_ov); \ 1053 gen_helper_##hlpr(cpu_gpr[rD(ctx->opcode)], cpu_env, \ 1054 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); \ 1055 tcg_temp_free_i32(t0); \ 1056 if (unlikely(Rc(ctx->opcode) != 0)) { \ 1057 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); \ 1058 } \ 1059 } 1060 1061 GEN_DIVE(divweu, divweu, 0); 1062 GEN_DIVE(divweuo, divweu, 1); 1063 GEN_DIVE(divwe, divwe, 0); 1064 GEN_DIVE(divweo, divwe, 1); 1065 1066 #if defined(TARGET_PPC64) 1067 static inline void gen_op_arith_divd(DisasContext *ctx, TCGv ret, TCGv arg1, 1068 TCGv arg2, int sign, int compute_ov) 1069 { 1070 TCGv_i64 t0 = tcg_temp_new_i64(); 1071 TCGv_i64 t1 = tcg_temp_new_i64(); 1072 TCGv_i64 t2 = tcg_temp_new_i64(); 1073 TCGv_i64 t3 = tcg_temp_new_i64(); 1074 1075 tcg_gen_mov_i64(t0, arg1); 1076 tcg_gen_mov_i64(t1, arg2); 1077 if (sign) { 1078 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN); 1079 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1); 1080 tcg_gen_and_i64(t2, t2, t3); 1081 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0); 1082 tcg_gen_or_i64(t2, t2, t3); 1083 tcg_gen_movi_i64(t3, 0); 1084 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1); 1085 tcg_gen_div_i64(ret, t0, t1); 1086 } else { 1087 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t1, 0); 1088 tcg_gen_movi_i64(t3, 0); 1089 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1); 1090 tcg_gen_divu_i64(ret, t0, t1); 1091 } 1092 if (compute_ov) { 1093 tcg_gen_mov_tl(cpu_ov, t2); 1094 if (is_isa300(ctx)) { 1095 tcg_gen_mov_tl(cpu_ov32, t2); 1096 } 1097 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 1098 } 1099 tcg_temp_free_i64(t0); 1100 tcg_temp_free_i64(t1); 1101 tcg_temp_free_i64(t2); 1102 tcg_temp_free_i64(t3); 1103 1104 if (unlikely(Rc(ctx->opcode) != 0)) { 1105 gen_set_Rc0(ctx, ret); 1106 } 1107 } 1108 1109 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \ 1110 static void glue(gen_, name)(DisasContext *ctx) \ 1111 { \ 1112 gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)], \ 1113 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 1114 sign, compute_ov); \ 1115 } 1116 /* divdu divdu. divduo divduo. */ 1117 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0); 1118 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1); 1119 /* divd divd. divdo divdo. */ 1120 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0); 1121 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1); 1122 1123 GEN_DIVE(divdeu, divdeu, 0); 1124 GEN_DIVE(divdeuo, divdeu, 1); 1125 GEN_DIVE(divde, divde, 0); 1126 GEN_DIVE(divdeo, divde, 1); 1127 #endif 1128 1129 static inline void gen_op_arith_modw(DisasContext *ctx, TCGv ret, TCGv arg1, 1130 TCGv arg2, int sign) 1131 { 1132 TCGv_i32 t0 = tcg_temp_new_i32(); 1133 TCGv_i32 t1 = tcg_temp_new_i32(); 1134 1135 tcg_gen_trunc_tl_i32(t0, arg1); 1136 tcg_gen_trunc_tl_i32(t1, arg2); 1137 if (sign) { 1138 TCGv_i32 t2 = tcg_temp_new_i32(); 1139 TCGv_i32 t3 = tcg_temp_new_i32(); 1140 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN); 1141 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1); 1142 tcg_gen_and_i32(t2, t2, t3); 1143 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0); 1144 tcg_gen_or_i32(t2, t2, t3); 1145 tcg_gen_movi_i32(t3, 0); 1146 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1); 1147 tcg_gen_rem_i32(t3, t0, t1); 1148 tcg_gen_ext_i32_tl(ret, t3); 1149 tcg_temp_free_i32(t2); 1150 tcg_temp_free_i32(t3); 1151 } else { 1152 TCGv_i32 t2 = tcg_const_i32(1); 1153 TCGv_i32 t3 = tcg_const_i32(0); 1154 tcg_gen_movcond_i32(TCG_COND_EQ, t1, t1, t3, t2, t1); 1155 tcg_gen_remu_i32(t3, t0, t1); 1156 tcg_gen_extu_i32_tl(ret, t3); 1157 tcg_temp_free_i32(t2); 1158 tcg_temp_free_i32(t3); 1159 } 1160 tcg_temp_free_i32(t0); 1161 tcg_temp_free_i32(t1); 1162 } 1163 1164 #define GEN_INT_ARITH_MODW(name, opc3, sign) \ 1165 static void glue(gen_, name)(DisasContext *ctx) \ 1166 { \ 1167 gen_op_arith_modw(ctx, cpu_gpr[rD(ctx->opcode)], \ 1168 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 1169 sign); \ 1170 } 1171 1172 GEN_INT_ARITH_MODW(moduw, 0x08, 0); 1173 GEN_INT_ARITH_MODW(modsw, 0x18, 1); 1174 1175 #if defined(TARGET_PPC64) 1176 static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1, 1177 TCGv arg2, int sign) 1178 { 1179 TCGv_i64 t0 = tcg_temp_new_i64(); 1180 TCGv_i64 t1 = tcg_temp_new_i64(); 1181 1182 tcg_gen_mov_i64(t0, arg1); 1183 tcg_gen_mov_i64(t1, arg2); 1184 if (sign) { 1185 TCGv_i64 t2 = tcg_temp_new_i64(); 1186 TCGv_i64 t3 = tcg_temp_new_i64(); 1187 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN); 1188 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1); 1189 tcg_gen_and_i64(t2, t2, t3); 1190 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0); 1191 tcg_gen_or_i64(t2, t2, t3); 1192 tcg_gen_movi_i64(t3, 0); 1193 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1); 1194 tcg_gen_rem_i64(ret, t0, t1); 1195 tcg_temp_free_i64(t2); 1196 tcg_temp_free_i64(t3); 1197 } else { 1198 TCGv_i64 t2 = tcg_const_i64(1); 1199 TCGv_i64 t3 = tcg_const_i64(0); 1200 tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1); 1201 tcg_gen_remu_i64(ret, t0, t1); 1202 tcg_temp_free_i64(t2); 1203 tcg_temp_free_i64(t3); 1204 } 1205 tcg_temp_free_i64(t0); 1206 tcg_temp_free_i64(t1); 1207 } 1208 1209 #define GEN_INT_ARITH_MODD(name, opc3, sign) \ 1210 static void glue(gen_, name)(DisasContext *ctx) \ 1211 { \ 1212 gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)], \ 1213 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 1214 sign); \ 1215 } 1216 1217 GEN_INT_ARITH_MODD(modud, 0x08, 0); 1218 GEN_INT_ARITH_MODD(modsd, 0x18, 1); 1219 #endif 1220 1221 /* mulhw mulhw. */ 1222 static void gen_mulhw(DisasContext *ctx) 1223 { 1224 TCGv_i32 t0 = tcg_temp_new_i32(); 1225 TCGv_i32 t1 = tcg_temp_new_i32(); 1226 1227 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); 1228 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); 1229 tcg_gen_muls2_i32(t0, t1, t0, t1); 1230 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1); 1231 tcg_temp_free_i32(t0); 1232 tcg_temp_free_i32(t1); 1233 if (unlikely(Rc(ctx->opcode) != 0)) { 1234 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 1235 } 1236 } 1237 1238 /* mulhwu mulhwu. */ 1239 static void gen_mulhwu(DisasContext *ctx) 1240 { 1241 TCGv_i32 t0 = tcg_temp_new_i32(); 1242 TCGv_i32 t1 = tcg_temp_new_i32(); 1243 1244 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); 1245 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); 1246 tcg_gen_mulu2_i32(t0, t1, t0, t1); 1247 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1); 1248 tcg_temp_free_i32(t0); 1249 tcg_temp_free_i32(t1); 1250 if (unlikely(Rc(ctx->opcode) != 0)) { 1251 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 1252 } 1253 } 1254 1255 /* mullw mullw. */ 1256 static void gen_mullw(DisasContext *ctx) 1257 { 1258 #if defined(TARGET_PPC64) 1259 TCGv_i64 t0, t1; 1260 t0 = tcg_temp_new_i64(); 1261 t1 = tcg_temp_new_i64(); 1262 tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]); 1263 tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]); 1264 tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); 1265 tcg_temp_free(t0); 1266 tcg_temp_free(t1); 1267 #else 1268 tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1269 cpu_gpr[rB(ctx->opcode)]); 1270 #endif 1271 if (unlikely(Rc(ctx->opcode) != 0)) { 1272 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 1273 } 1274 } 1275 1276 /* mullwo mullwo. */ 1277 static void gen_mullwo(DisasContext *ctx) 1278 { 1279 TCGv_i32 t0 = tcg_temp_new_i32(); 1280 TCGv_i32 t1 = tcg_temp_new_i32(); 1281 1282 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); 1283 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); 1284 tcg_gen_muls2_i32(t0, t1, t0, t1); 1285 #if defined(TARGET_PPC64) 1286 tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); 1287 #else 1288 tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0); 1289 #endif 1290 1291 tcg_gen_sari_i32(t0, t0, 31); 1292 tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1); 1293 tcg_gen_extu_i32_tl(cpu_ov, t0); 1294 if (is_isa300(ctx)) { 1295 tcg_gen_mov_tl(cpu_ov32, cpu_ov); 1296 } 1297 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 1298 1299 tcg_temp_free_i32(t0); 1300 tcg_temp_free_i32(t1); 1301 if (unlikely(Rc(ctx->opcode) != 0)) { 1302 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 1303 } 1304 } 1305 1306 /* mulli */ 1307 static void gen_mulli(DisasContext *ctx) 1308 { 1309 tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1310 SIMM(ctx->opcode)); 1311 } 1312 1313 #if defined(TARGET_PPC64) 1314 /* mulhd mulhd. */ 1315 static void gen_mulhd(DisasContext *ctx) 1316 { 1317 TCGv lo = tcg_temp_new(); 1318 tcg_gen_muls2_tl(lo, cpu_gpr[rD(ctx->opcode)], 1319 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 1320 tcg_temp_free(lo); 1321 if (unlikely(Rc(ctx->opcode) != 0)) { 1322 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 1323 } 1324 } 1325 1326 /* mulhdu mulhdu. */ 1327 static void gen_mulhdu(DisasContext *ctx) 1328 { 1329 TCGv lo = tcg_temp_new(); 1330 tcg_gen_mulu2_tl(lo, cpu_gpr[rD(ctx->opcode)], 1331 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 1332 tcg_temp_free(lo); 1333 if (unlikely(Rc(ctx->opcode) != 0)) { 1334 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 1335 } 1336 } 1337 1338 /* mulld mulld. */ 1339 static void gen_mulld(DisasContext *ctx) 1340 { 1341 tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1342 cpu_gpr[rB(ctx->opcode)]); 1343 if (unlikely(Rc(ctx->opcode) != 0)) { 1344 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 1345 } 1346 } 1347 1348 /* mulldo mulldo. */ 1349 static void gen_mulldo(DisasContext *ctx) 1350 { 1351 TCGv_i64 t0 = tcg_temp_new_i64(); 1352 TCGv_i64 t1 = tcg_temp_new_i64(); 1353 1354 tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)], 1355 cpu_gpr[rB(ctx->opcode)]); 1356 tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0); 1357 1358 tcg_gen_sari_i64(t0, t0, 63); 1359 tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1); 1360 if (is_isa300(ctx)) { 1361 tcg_gen_mov_tl(cpu_ov32, cpu_ov); 1362 } 1363 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 1364 1365 tcg_temp_free_i64(t0); 1366 tcg_temp_free_i64(t1); 1367 1368 if (unlikely(Rc(ctx->opcode) != 0)) { 1369 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 1370 } 1371 } 1372 #endif 1373 1374 /* Common subf function */ 1375 static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1, 1376 TCGv arg2, bool add_ca, bool compute_ca, 1377 bool compute_ov, bool compute_rc0) 1378 { 1379 TCGv t0 = ret; 1380 1381 if (compute_ca || compute_ov) { 1382 t0 = tcg_temp_new(); 1383 } 1384 1385 if (compute_ca) { 1386 /* dest = ~arg1 + arg2 [+ ca]. */ 1387 if (NARROW_MODE(ctx)) { 1388 /* 1389 * Caution: a non-obvious corner case of the spec is that 1390 * we must produce the *entire* 64-bit addition, but 1391 * produce the carry into bit 32. 1392 */ 1393 TCGv inv1 = tcg_temp_new(); 1394 TCGv t1 = tcg_temp_new(); 1395 tcg_gen_not_tl(inv1, arg1); 1396 if (add_ca) { 1397 tcg_gen_add_tl(t0, arg2, cpu_ca); 1398 } else { 1399 tcg_gen_addi_tl(t0, arg2, 1); 1400 } 1401 tcg_gen_xor_tl(t1, arg2, inv1); /* add without carry */ 1402 tcg_gen_add_tl(t0, t0, inv1); 1403 tcg_temp_free(inv1); 1404 tcg_gen_xor_tl(cpu_ca, t0, t1); /* bits changes w/ carry */ 1405 tcg_temp_free(t1); 1406 tcg_gen_extract_tl(cpu_ca, cpu_ca, 32, 1); 1407 if (is_isa300(ctx)) { 1408 tcg_gen_mov_tl(cpu_ca32, cpu_ca); 1409 } 1410 } else if (add_ca) { 1411 TCGv zero, inv1 = tcg_temp_new(); 1412 tcg_gen_not_tl(inv1, arg1); 1413 zero = tcg_const_tl(0); 1414 tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero); 1415 tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero); 1416 gen_op_arith_compute_ca32(ctx, t0, inv1, arg2, cpu_ca32, 0); 1417 tcg_temp_free(zero); 1418 tcg_temp_free(inv1); 1419 } else { 1420 tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1); 1421 tcg_gen_sub_tl(t0, arg2, arg1); 1422 gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, cpu_ca32, 1); 1423 } 1424 } else if (add_ca) { 1425 /* 1426 * Since we're ignoring carry-out, we can simplify the 1427 * standard ~arg1 + arg2 + ca to arg2 - arg1 + ca - 1. 1428 */ 1429 tcg_gen_sub_tl(t0, arg2, arg1); 1430 tcg_gen_add_tl(t0, t0, cpu_ca); 1431 tcg_gen_subi_tl(t0, t0, 1); 1432 } else { 1433 tcg_gen_sub_tl(t0, arg2, arg1); 1434 } 1435 1436 if (compute_ov) { 1437 gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1); 1438 } 1439 if (unlikely(compute_rc0)) { 1440 gen_set_Rc0(ctx, t0); 1441 } 1442 1443 if (t0 != ret) { 1444 tcg_gen_mov_tl(ret, t0); 1445 tcg_temp_free(t0); 1446 } 1447 } 1448 /* Sub functions with Two operands functions */ 1449 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \ 1450 static void glue(gen_, name)(DisasContext *ctx) \ 1451 { \ 1452 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \ 1453 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ 1454 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ 1455 } 1456 /* Sub functions with one operand and one immediate */ 1457 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \ 1458 add_ca, compute_ca, compute_ov) \ 1459 static void glue(gen_, name)(DisasContext *ctx) \ 1460 { \ 1461 TCGv t0 = tcg_const_tl(const_val); \ 1462 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \ 1463 cpu_gpr[rA(ctx->opcode)], t0, \ 1464 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ 1465 tcg_temp_free(t0); \ 1466 } 1467 /* subf subf. subfo subfo. */ 1468 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0) 1469 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1) 1470 /* subfc subfc. subfco subfco. */ 1471 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0) 1472 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1) 1473 /* subfe subfe. subfeo subfo. */ 1474 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0) 1475 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1) 1476 /* subfme subfme. subfmeo subfmeo. */ 1477 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0) 1478 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1) 1479 /* subfze subfze. subfzeo subfzeo.*/ 1480 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0) 1481 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1) 1482 1483 /* subfic */ 1484 static void gen_subfic(DisasContext *ctx) 1485 { 1486 TCGv c = tcg_const_tl(SIMM(ctx->opcode)); 1487 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1488 c, 0, 1, 0, 0); 1489 tcg_temp_free(c); 1490 } 1491 1492 /* neg neg. nego nego. */ 1493 static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov) 1494 { 1495 TCGv zero = tcg_const_tl(0); 1496 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1497 zero, 0, 0, compute_ov, Rc(ctx->opcode)); 1498 tcg_temp_free(zero); 1499 } 1500 1501 static void gen_neg(DisasContext *ctx) 1502 { 1503 tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); 1504 if (unlikely(Rc(ctx->opcode))) { 1505 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 1506 } 1507 } 1508 1509 static void gen_nego(DisasContext *ctx) 1510 { 1511 gen_op_arith_neg(ctx, 1); 1512 } 1513 1514 /*** Integer logical ***/ 1515 #define GEN_LOGICAL2(name, tcg_op, opc, type) \ 1516 static void glue(gen_, name)(DisasContext *ctx) \ 1517 { \ 1518 tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], \ 1519 cpu_gpr[rB(ctx->opcode)]); \ 1520 if (unlikely(Rc(ctx->opcode) != 0)) \ 1521 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \ 1522 } 1523 1524 #define GEN_LOGICAL1(name, tcg_op, opc, type) \ 1525 static void glue(gen_, name)(DisasContext *ctx) \ 1526 { \ 1527 tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); \ 1528 if (unlikely(Rc(ctx->opcode) != 0)) \ 1529 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \ 1530 } 1531 1532 /* and & and. */ 1533 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER); 1534 /* andc & andc. */ 1535 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER); 1536 1537 /* andi. */ 1538 static void gen_andi_(DisasContext *ctx) 1539 { 1540 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 1541 UIMM(ctx->opcode)); 1542 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 1543 } 1544 1545 /* andis. */ 1546 static void gen_andis_(DisasContext *ctx) 1547 { 1548 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 1549 UIMM(ctx->opcode) << 16); 1550 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 1551 } 1552 1553 /* cntlzw */ 1554 static void gen_cntlzw(DisasContext *ctx) 1555 { 1556 TCGv_i32 t = tcg_temp_new_i32(); 1557 1558 tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]); 1559 tcg_gen_clzi_i32(t, t, 32); 1560 tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t); 1561 tcg_temp_free_i32(t); 1562 1563 if (unlikely(Rc(ctx->opcode) != 0)) { 1564 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 1565 } 1566 } 1567 1568 /* cnttzw */ 1569 static void gen_cnttzw(DisasContext *ctx) 1570 { 1571 TCGv_i32 t = tcg_temp_new_i32(); 1572 1573 tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]); 1574 tcg_gen_ctzi_i32(t, t, 32); 1575 tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t); 1576 tcg_temp_free_i32(t); 1577 1578 if (unlikely(Rc(ctx->opcode) != 0)) { 1579 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 1580 } 1581 } 1582 1583 /* eqv & eqv. */ 1584 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER); 1585 /* extsb & extsb. */ 1586 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER); 1587 /* extsh & extsh. */ 1588 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER); 1589 /* nand & nand. */ 1590 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER); 1591 /* nor & nor. */ 1592 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER); 1593 1594 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) 1595 static void gen_pause(DisasContext *ctx) 1596 { 1597 TCGv_i32 t0 = tcg_const_i32(0); 1598 tcg_gen_st_i32(t0, cpu_env, 1599 -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted)); 1600 tcg_temp_free_i32(t0); 1601 1602 /* Stop translation, this gives other CPUs a chance to run */ 1603 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 1604 } 1605 #endif /* defined(TARGET_PPC64) */ 1606 1607 /* or & or. */ 1608 static void gen_or(DisasContext *ctx) 1609 { 1610 int rs, ra, rb; 1611 1612 rs = rS(ctx->opcode); 1613 ra = rA(ctx->opcode); 1614 rb = rB(ctx->opcode); 1615 /* Optimisation for mr. ri case */ 1616 if (rs != ra || rs != rb) { 1617 if (rs != rb) { 1618 tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]); 1619 } else { 1620 tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]); 1621 } 1622 if (unlikely(Rc(ctx->opcode) != 0)) { 1623 gen_set_Rc0(ctx, cpu_gpr[ra]); 1624 } 1625 } else if (unlikely(Rc(ctx->opcode) != 0)) { 1626 gen_set_Rc0(ctx, cpu_gpr[rs]); 1627 #if defined(TARGET_PPC64) 1628 } else if (rs != 0) { /* 0 is nop */ 1629 int prio = 0; 1630 1631 switch (rs) { 1632 case 1: 1633 /* Set process priority to low */ 1634 prio = 2; 1635 break; 1636 case 6: 1637 /* Set process priority to medium-low */ 1638 prio = 3; 1639 break; 1640 case 2: 1641 /* Set process priority to normal */ 1642 prio = 4; 1643 break; 1644 #if !defined(CONFIG_USER_ONLY) 1645 case 31: 1646 if (!ctx->pr) { 1647 /* Set process priority to very low */ 1648 prio = 1; 1649 } 1650 break; 1651 case 5: 1652 if (!ctx->pr) { 1653 /* Set process priority to medium-hight */ 1654 prio = 5; 1655 } 1656 break; 1657 case 3: 1658 if (!ctx->pr) { 1659 /* Set process priority to high */ 1660 prio = 6; 1661 } 1662 break; 1663 case 7: 1664 if (ctx->hv && !ctx->pr) { 1665 /* Set process priority to very high */ 1666 prio = 7; 1667 } 1668 break; 1669 #endif 1670 default: 1671 break; 1672 } 1673 if (prio) { 1674 TCGv t0 = tcg_temp_new(); 1675 gen_load_spr(t0, SPR_PPR); 1676 tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL); 1677 tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50); 1678 gen_store_spr(SPR_PPR, t0); 1679 tcg_temp_free(t0); 1680 } 1681 #if !defined(CONFIG_USER_ONLY) 1682 /* 1683 * Pause out of TCG otherwise spin loops with smt_low eat too 1684 * much CPU and the kernel hangs. This applies to all 1685 * encodings other than no-op, e.g., miso(rs=26), yield(27), 1686 * mdoio(29), mdoom(30), and all currently undefined. 1687 */ 1688 gen_pause(ctx); 1689 #endif 1690 #endif 1691 } 1692 } 1693 /* orc & orc. */ 1694 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER); 1695 1696 /* xor & xor. */ 1697 static void gen_xor(DisasContext *ctx) 1698 { 1699 /* Optimisation for "set to zero" case */ 1700 if (rS(ctx->opcode) != rB(ctx->opcode)) { 1701 tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 1702 cpu_gpr[rB(ctx->opcode)]); 1703 } else { 1704 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); 1705 } 1706 if (unlikely(Rc(ctx->opcode) != 0)) { 1707 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 1708 } 1709 } 1710 1711 /* ori */ 1712 static void gen_ori(DisasContext *ctx) 1713 { 1714 target_ulong uimm = UIMM(ctx->opcode); 1715 1716 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { 1717 return; 1718 } 1719 tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm); 1720 } 1721 1722 /* oris */ 1723 static void gen_oris(DisasContext *ctx) 1724 { 1725 target_ulong uimm = UIMM(ctx->opcode); 1726 1727 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { 1728 /* NOP */ 1729 return; 1730 } 1731 tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 1732 uimm << 16); 1733 } 1734 1735 /* xori */ 1736 static void gen_xori(DisasContext *ctx) 1737 { 1738 target_ulong uimm = UIMM(ctx->opcode); 1739 1740 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { 1741 /* NOP */ 1742 return; 1743 } 1744 tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm); 1745 } 1746 1747 /* xoris */ 1748 static void gen_xoris(DisasContext *ctx) 1749 { 1750 target_ulong uimm = UIMM(ctx->opcode); 1751 1752 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { 1753 /* NOP */ 1754 return; 1755 } 1756 tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 1757 uimm << 16); 1758 } 1759 1760 /* popcntb : PowerPC 2.03 specification */ 1761 static void gen_popcntb(DisasContext *ctx) 1762 { 1763 gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); 1764 } 1765 1766 static void gen_popcntw(DisasContext *ctx) 1767 { 1768 #if defined(TARGET_PPC64) 1769 gen_helper_popcntw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); 1770 #else 1771 tcg_gen_ctpop_i32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); 1772 #endif 1773 } 1774 1775 #if defined(TARGET_PPC64) 1776 /* popcntd: PowerPC 2.06 specification */ 1777 static void gen_popcntd(DisasContext *ctx) 1778 { 1779 tcg_gen_ctpop_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); 1780 } 1781 #endif 1782 1783 /* prtyw: PowerPC 2.05 specification */ 1784 static void gen_prtyw(DisasContext *ctx) 1785 { 1786 TCGv ra = cpu_gpr[rA(ctx->opcode)]; 1787 TCGv rs = cpu_gpr[rS(ctx->opcode)]; 1788 TCGv t0 = tcg_temp_new(); 1789 tcg_gen_shri_tl(t0, rs, 16); 1790 tcg_gen_xor_tl(ra, rs, t0); 1791 tcg_gen_shri_tl(t0, ra, 8); 1792 tcg_gen_xor_tl(ra, ra, t0); 1793 tcg_gen_andi_tl(ra, ra, (target_ulong)0x100000001ULL); 1794 tcg_temp_free(t0); 1795 } 1796 1797 #if defined(TARGET_PPC64) 1798 /* prtyd: PowerPC 2.05 specification */ 1799 static void gen_prtyd(DisasContext *ctx) 1800 { 1801 TCGv ra = cpu_gpr[rA(ctx->opcode)]; 1802 TCGv rs = cpu_gpr[rS(ctx->opcode)]; 1803 TCGv t0 = tcg_temp_new(); 1804 tcg_gen_shri_tl(t0, rs, 32); 1805 tcg_gen_xor_tl(ra, rs, t0); 1806 tcg_gen_shri_tl(t0, ra, 16); 1807 tcg_gen_xor_tl(ra, ra, t0); 1808 tcg_gen_shri_tl(t0, ra, 8); 1809 tcg_gen_xor_tl(ra, ra, t0); 1810 tcg_gen_andi_tl(ra, ra, 1); 1811 tcg_temp_free(t0); 1812 } 1813 #endif 1814 1815 #if defined(TARGET_PPC64) 1816 /* bpermd */ 1817 static void gen_bpermd(DisasContext *ctx) 1818 { 1819 gen_helper_bpermd(cpu_gpr[rA(ctx->opcode)], 1820 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 1821 } 1822 #endif 1823 1824 #if defined(TARGET_PPC64) 1825 /* extsw & extsw. */ 1826 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B); 1827 1828 /* cntlzd */ 1829 static void gen_cntlzd(DisasContext *ctx) 1830 { 1831 tcg_gen_clzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64); 1832 if (unlikely(Rc(ctx->opcode) != 0)) { 1833 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 1834 } 1835 } 1836 1837 /* cnttzd */ 1838 static void gen_cnttzd(DisasContext *ctx) 1839 { 1840 tcg_gen_ctzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64); 1841 if (unlikely(Rc(ctx->opcode) != 0)) { 1842 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 1843 } 1844 } 1845 1846 /* darn */ 1847 static void gen_darn(DisasContext *ctx) 1848 { 1849 int l = L(ctx->opcode); 1850 1851 if (l > 2) { 1852 tcg_gen_movi_i64(cpu_gpr[rD(ctx->opcode)], -1); 1853 } else { 1854 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { 1855 gen_io_start(); 1856 } 1857 if (l == 0) { 1858 gen_helper_darn32(cpu_gpr[rD(ctx->opcode)]); 1859 } else { 1860 /* Return 64-bit random for both CRN and RRN */ 1861 gen_helper_darn64(cpu_gpr[rD(ctx->opcode)]); 1862 } 1863 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { 1864 gen_stop_exception(ctx); 1865 } 1866 } 1867 } 1868 #endif 1869 1870 /*** Integer rotate ***/ 1871 1872 /* rlwimi & rlwimi. */ 1873 static void gen_rlwimi(DisasContext *ctx) 1874 { 1875 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 1876 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 1877 uint32_t sh = SH(ctx->opcode); 1878 uint32_t mb = MB(ctx->opcode); 1879 uint32_t me = ME(ctx->opcode); 1880 1881 if (sh == (31 - me) && mb <= me) { 1882 tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1); 1883 } else { 1884 target_ulong mask; 1885 TCGv t1; 1886 1887 #if defined(TARGET_PPC64) 1888 mb += 32; 1889 me += 32; 1890 #endif 1891 mask = MASK(mb, me); 1892 1893 t1 = tcg_temp_new(); 1894 if (mask <= 0xffffffffu) { 1895 TCGv_i32 t0 = tcg_temp_new_i32(); 1896 tcg_gen_trunc_tl_i32(t0, t_rs); 1897 tcg_gen_rotli_i32(t0, t0, sh); 1898 tcg_gen_extu_i32_tl(t1, t0); 1899 tcg_temp_free_i32(t0); 1900 } else { 1901 #if defined(TARGET_PPC64) 1902 tcg_gen_deposit_i64(t1, t_rs, t_rs, 32, 32); 1903 tcg_gen_rotli_i64(t1, t1, sh); 1904 #else 1905 g_assert_not_reached(); 1906 #endif 1907 } 1908 1909 tcg_gen_andi_tl(t1, t1, mask); 1910 tcg_gen_andi_tl(t_ra, t_ra, ~mask); 1911 tcg_gen_or_tl(t_ra, t_ra, t1); 1912 tcg_temp_free(t1); 1913 } 1914 if (unlikely(Rc(ctx->opcode) != 0)) { 1915 gen_set_Rc0(ctx, t_ra); 1916 } 1917 } 1918 1919 /* rlwinm & rlwinm. */ 1920 static void gen_rlwinm(DisasContext *ctx) 1921 { 1922 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 1923 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 1924 int sh = SH(ctx->opcode); 1925 int mb = MB(ctx->opcode); 1926 int me = ME(ctx->opcode); 1927 int len = me - mb + 1; 1928 int rsh = (32 - sh) & 31; 1929 1930 if (sh != 0 && len > 0 && me == (31 - sh)) { 1931 tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len); 1932 } else if (me == 31 && rsh + len <= 32) { 1933 tcg_gen_extract_tl(t_ra, t_rs, rsh, len); 1934 } else { 1935 target_ulong mask; 1936 #if defined(TARGET_PPC64) 1937 mb += 32; 1938 me += 32; 1939 #endif 1940 mask = MASK(mb, me); 1941 if (sh == 0) { 1942 tcg_gen_andi_tl(t_ra, t_rs, mask); 1943 } else if (mask <= 0xffffffffu) { 1944 TCGv_i32 t0 = tcg_temp_new_i32(); 1945 tcg_gen_trunc_tl_i32(t0, t_rs); 1946 tcg_gen_rotli_i32(t0, t0, sh); 1947 tcg_gen_andi_i32(t0, t0, mask); 1948 tcg_gen_extu_i32_tl(t_ra, t0); 1949 tcg_temp_free_i32(t0); 1950 } else { 1951 #if defined(TARGET_PPC64) 1952 tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32); 1953 tcg_gen_rotli_i64(t_ra, t_ra, sh); 1954 tcg_gen_andi_i64(t_ra, t_ra, mask); 1955 #else 1956 g_assert_not_reached(); 1957 #endif 1958 } 1959 } 1960 if (unlikely(Rc(ctx->opcode) != 0)) { 1961 gen_set_Rc0(ctx, t_ra); 1962 } 1963 } 1964 1965 /* rlwnm & rlwnm. */ 1966 static void gen_rlwnm(DisasContext *ctx) 1967 { 1968 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 1969 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 1970 TCGv t_rb = cpu_gpr[rB(ctx->opcode)]; 1971 uint32_t mb = MB(ctx->opcode); 1972 uint32_t me = ME(ctx->opcode); 1973 target_ulong mask; 1974 1975 #if defined(TARGET_PPC64) 1976 mb += 32; 1977 me += 32; 1978 #endif 1979 mask = MASK(mb, me); 1980 1981 if (mask <= 0xffffffffu) { 1982 TCGv_i32 t0 = tcg_temp_new_i32(); 1983 TCGv_i32 t1 = tcg_temp_new_i32(); 1984 tcg_gen_trunc_tl_i32(t0, t_rb); 1985 tcg_gen_trunc_tl_i32(t1, t_rs); 1986 tcg_gen_andi_i32(t0, t0, 0x1f); 1987 tcg_gen_rotl_i32(t1, t1, t0); 1988 tcg_gen_extu_i32_tl(t_ra, t1); 1989 tcg_temp_free_i32(t0); 1990 tcg_temp_free_i32(t1); 1991 } else { 1992 #if defined(TARGET_PPC64) 1993 TCGv_i64 t0 = tcg_temp_new_i64(); 1994 tcg_gen_andi_i64(t0, t_rb, 0x1f); 1995 tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32); 1996 tcg_gen_rotl_i64(t_ra, t_ra, t0); 1997 tcg_temp_free_i64(t0); 1998 #else 1999 g_assert_not_reached(); 2000 #endif 2001 } 2002 2003 tcg_gen_andi_tl(t_ra, t_ra, mask); 2004 2005 if (unlikely(Rc(ctx->opcode) != 0)) { 2006 gen_set_Rc0(ctx, t_ra); 2007 } 2008 } 2009 2010 #if defined(TARGET_PPC64) 2011 #define GEN_PPC64_R2(name, opc1, opc2) \ 2012 static void glue(gen_, name##0)(DisasContext *ctx) \ 2013 { \ 2014 gen_##name(ctx, 0); \ 2015 } \ 2016 \ 2017 static void glue(gen_, name##1)(DisasContext *ctx) \ 2018 { \ 2019 gen_##name(ctx, 1); \ 2020 } 2021 #define GEN_PPC64_R4(name, opc1, opc2) \ 2022 static void glue(gen_, name##0)(DisasContext *ctx) \ 2023 { \ 2024 gen_##name(ctx, 0, 0); \ 2025 } \ 2026 \ 2027 static void glue(gen_, name##1)(DisasContext *ctx) \ 2028 { \ 2029 gen_##name(ctx, 0, 1); \ 2030 } \ 2031 \ 2032 static void glue(gen_, name##2)(DisasContext *ctx) \ 2033 { \ 2034 gen_##name(ctx, 1, 0); \ 2035 } \ 2036 \ 2037 static void glue(gen_, name##3)(DisasContext *ctx) \ 2038 { \ 2039 gen_##name(ctx, 1, 1); \ 2040 } 2041 2042 static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh) 2043 { 2044 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 2045 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 2046 int len = me - mb + 1; 2047 int rsh = (64 - sh) & 63; 2048 2049 if (sh != 0 && len > 0 && me == (63 - sh)) { 2050 tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len); 2051 } else if (me == 63 && rsh + len <= 64) { 2052 tcg_gen_extract_tl(t_ra, t_rs, rsh, len); 2053 } else { 2054 tcg_gen_rotli_tl(t_ra, t_rs, sh); 2055 tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me)); 2056 } 2057 if (unlikely(Rc(ctx->opcode) != 0)) { 2058 gen_set_Rc0(ctx, t_ra); 2059 } 2060 } 2061 2062 /* rldicl - rldicl. */ 2063 static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn) 2064 { 2065 uint32_t sh, mb; 2066 2067 sh = SH(ctx->opcode) | (shn << 5); 2068 mb = MB(ctx->opcode) | (mbn << 5); 2069 gen_rldinm(ctx, mb, 63, sh); 2070 } 2071 GEN_PPC64_R4(rldicl, 0x1E, 0x00); 2072 2073 /* rldicr - rldicr. */ 2074 static inline void gen_rldicr(DisasContext *ctx, int men, int shn) 2075 { 2076 uint32_t sh, me; 2077 2078 sh = SH(ctx->opcode) | (shn << 5); 2079 me = MB(ctx->opcode) | (men << 5); 2080 gen_rldinm(ctx, 0, me, sh); 2081 } 2082 GEN_PPC64_R4(rldicr, 0x1E, 0x02); 2083 2084 /* rldic - rldic. */ 2085 static inline void gen_rldic(DisasContext *ctx, int mbn, int shn) 2086 { 2087 uint32_t sh, mb; 2088 2089 sh = SH(ctx->opcode) | (shn << 5); 2090 mb = MB(ctx->opcode) | (mbn << 5); 2091 gen_rldinm(ctx, mb, 63 - sh, sh); 2092 } 2093 GEN_PPC64_R4(rldic, 0x1E, 0x04); 2094 2095 static void gen_rldnm(DisasContext *ctx, int mb, int me) 2096 { 2097 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 2098 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 2099 TCGv t_rb = cpu_gpr[rB(ctx->opcode)]; 2100 TCGv t0; 2101 2102 t0 = tcg_temp_new(); 2103 tcg_gen_andi_tl(t0, t_rb, 0x3f); 2104 tcg_gen_rotl_tl(t_ra, t_rs, t0); 2105 tcg_temp_free(t0); 2106 2107 tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me)); 2108 if (unlikely(Rc(ctx->opcode) != 0)) { 2109 gen_set_Rc0(ctx, t_ra); 2110 } 2111 } 2112 2113 /* rldcl - rldcl. */ 2114 static inline void gen_rldcl(DisasContext *ctx, int mbn) 2115 { 2116 uint32_t mb; 2117 2118 mb = MB(ctx->opcode) | (mbn << 5); 2119 gen_rldnm(ctx, mb, 63); 2120 } 2121 GEN_PPC64_R2(rldcl, 0x1E, 0x08); 2122 2123 /* rldcr - rldcr. */ 2124 static inline void gen_rldcr(DisasContext *ctx, int men) 2125 { 2126 uint32_t me; 2127 2128 me = MB(ctx->opcode) | (men << 5); 2129 gen_rldnm(ctx, 0, me); 2130 } 2131 GEN_PPC64_R2(rldcr, 0x1E, 0x09); 2132 2133 /* rldimi - rldimi. */ 2134 static void gen_rldimi(DisasContext *ctx, int mbn, int shn) 2135 { 2136 TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; 2137 TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; 2138 uint32_t sh = SH(ctx->opcode) | (shn << 5); 2139 uint32_t mb = MB(ctx->opcode) | (mbn << 5); 2140 uint32_t me = 63 - sh; 2141 2142 if (mb <= me) { 2143 tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1); 2144 } else { 2145 target_ulong mask = MASK(mb, me); 2146 TCGv t1 = tcg_temp_new(); 2147 2148 tcg_gen_rotli_tl(t1, t_rs, sh); 2149 tcg_gen_andi_tl(t1, t1, mask); 2150 tcg_gen_andi_tl(t_ra, t_ra, ~mask); 2151 tcg_gen_or_tl(t_ra, t_ra, t1); 2152 tcg_temp_free(t1); 2153 } 2154 if (unlikely(Rc(ctx->opcode) != 0)) { 2155 gen_set_Rc0(ctx, t_ra); 2156 } 2157 } 2158 GEN_PPC64_R4(rldimi, 0x1E, 0x06); 2159 #endif 2160 2161 /*** Integer shift ***/ 2162 2163 /* slw & slw. */ 2164 static void gen_slw(DisasContext *ctx) 2165 { 2166 TCGv t0, t1; 2167 2168 t0 = tcg_temp_new(); 2169 /* AND rS with a mask that is 0 when rB >= 0x20 */ 2170 #if defined(TARGET_PPC64) 2171 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a); 2172 tcg_gen_sari_tl(t0, t0, 0x3f); 2173 #else 2174 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a); 2175 tcg_gen_sari_tl(t0, t0, 0x1f); 2176 #endif 2177 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 2178 t1 = tcg_temp_new(); 2179 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f); 2180 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 2181 tcg_temp_free(t1); 2182 tcg_temp_free(t0); 2183 tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); 2184 if (unlikely(Rc(ctx->opcode) != 0)) { 2185 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2186 } 2187 } 2188 2189 /* sraw & sraw. */ 2190 static void gen_sraw(DisasContext *ctx) 2191 { 2192 gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], cpu_env, 2193 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 2194 if (unlikely(Rc(ctx->opcode) != 0)) { 2195 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2196 } 2197 } 2198 2199 /* srawi & srawi. */ 2200 static void gen_srawi(DisasContext *ctx) 2201 { 2202 int sh = SH(ctx->opcode); 2203 TCGv dst = cpu_gpr[rA(ctx->opcode)]; 2204 TCGv src = cpu_gpr[rS(ctx->opcode)]; 2205 if (sh == 0) { 2206 tcg_gen_ext32s_tl(dst, src); 2207 tcg_gen_movi_tl(cpu_ca, 0); 2208 if (is_isa300(ctx)) { 2209 tcg_gen_movi_tl(cpu_ca32, 0); 2210 } 2211 } else { 2212 TCGv t0; 2213 tcg_gen_ext32s_tl(dst, src); 2214 tcg_gen_andi_tl(cpu_ca, dst, (1ULL << sh) - 1); 2215 t0 = tcg_temp_new(); 2216 tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1); 2217 tcg_gen_and_tl(cpu_ca, cpu_ca, t0); 2218 tcg_temp_free(t0); 2219 tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0); 2220 if (is_isa300(ctx)) { 2221 tcg_gen_mov_tl(cpu_ca32, cpu_ca); 2222 } 2223 tcg_gen_sari_tl(dst, dst, sh); 2224 } 2225 if (unlikely(Rc(ctx->opcode) != 0)) { 2226 gen_set_Rc0(ctx, dst); 2227 } 2228 } 2229 2230 /* srw & srw. */ 2231 static void gen_srw(DisasContext *ctx) 2232 { 2233 TCGv t0, t1; 2234 2235 t0 = tcg_temp_new(); 2236 /* AND rS with a mask that is 0 when rB >= 0x20 */ 2237 #if defined(TARGET_PPC64) 2238 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a); 2239 tcg_gen_sari_tl(t0, t0, 0x3f); 2240 #else 2241 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a); 2242 tcg_gen_sari_tl(t0, t0, 0x1f); 2243 #endif 2244 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 2245 tcg_gen_ext32u_tl(t0, t0); 2246 t1 = tcg_temp_new(); 2247 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f); 2248 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 2249 tcg_temp_free(t1); 2250 tcg_temp_free(t0); 2251 if (unlikely(Rc(ctx->opcode) != 0)) { 2252 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2253 } 2254 } 2255 2256 #if defined(TARGET_PPC64) 2257 /* sld & sld. */ 2258 static void gen_sld(DisasContext *ctx) 2259 { 2260 TCGv t0, t1; 2261 2262 t0 = tcg_temp_new(); 2263 /* AND rS with a mask that is 0 when rB >= 0x40 */ 2264 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39); 2265 tcg_gen_sari_tl(t0, t0, 0x3f); 2266 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 2267 t1 = tcg_temp_new(); 2268 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f); 2269 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 2270 tcg_temp_free(t1); 2271 tcg_temp_free(t0); 2272 if (unlikely(Rc(ctx->opcode) != 0)) { 2273 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2274 } 2275 } 2276 2277 /* srad & srad. */ 2278 static void gen_srad(DisasContext *ctx) 2279 { 2280 gen_helper_srad(cpu_gpr[rA(ctx->opcode)], cpu_env, 2281 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 2282 if (unlikely(Rc(ctx->opcode) != 0)) { 2283 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2284 } 2285 } 2286 /* sradi & sradi. */ 2287 static inline void gen_sradi(DisasContext *ctx, int n) 2288 { 2289 int sh = SH(ctx->opcode) + (n << 5); 2290 TCGv dst = cpu_gpr[rA(ctx->opcode)]; 2291 TCGv src = cpu_gpr[rS(ctx->opcode)]; 2292 if (sh == 0) { 2293 tcg_gen_mov_tl(dst, src); 2294 tcg_gen_movi_tl(cpu_ca, 0); 2295 if (is_isa300(ctx)) { 2296 tcg_gen_movi_tl(cpu_ca32, 0); 2297 } 2298 } else { 2299 TCGv t0; 2300 tcg_gen_andi_tl(cpu_ca, src, (1ULL << sh) - 1); 2301 t0 = tcg_temp_new(); 2302 tcg_gen_sari_tl(t0, src, TARGET_LONG_BITS - 1); 2303 tcg_gen_and_tl(cpu_ca, cpu_ca, t0); 2304 tcg_temp_free(t0); 2305 tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0); 2306 if (is_isa300(ctx)) { 2307 tcg_gen_mov_tl(cpu_ca32, cpu_ca); 2308 } 2309 tcg_gen_sari_tl(dst, src, sh); 2310 } 2311 if (unlikely(Rc(ctx->opcode) != 0)) { 2312 gen_set_Rc0(ctx, dst); 2313 } 2314 } 2315 2316 static void gen_sradi0(DisasContext *ctx) 2317 { 2318 gen_sradi(ctx, 0); 2319 } 2320 2321 static void gen_sradi1(DisasContext *ctx) 2322 { 2323 gen_sradi(ctx, 1); 2324 } 2325 2326 /* extswsli & extswsli. */ 2327 static inline void gen_extswsli(DisasContext *ctx, int n) 2328 { 2329 int sh = SH(ctx->opcode) + (n << 5); 2330 TCGv dst = cpu_gpr[rA(ctx->opcode)]; 2331 TCGv src = cpu_gpr[rS(ctx->opcode)]; 2332 2333 tcg_gen_ext32s_tl(dst, src); 2334 tcg_gen_shli_tl(dst, dst, sh); 2335 if (unlikely(Rc(ctx->opcode) != 0)) { 2336 gen_set_Rc0(ctx, dst); 2337 } 2338 } 2339 2340 static void gen_extswsli0(DisasContext *ctx) 2341 { 2342 gen_extswsli(ctx, 0); 2343 } 2344 2345 static void gen_extswsli1(DisasContext *ctx) 2346 { 2347 gen_extswsli(ctx, 1); 2348 } 2349 2350 /* srd & srd. */ 2351 static void gen_srd(DisasContext *ctx) 2352 { 2353 TCGv t0, t1; 2354 2355 t0 = tcg_temp_new(); 2356 /* AND rS with a mask that is 0 when rB >= 0x40 */ 2357 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39); 2358 tcg_gen_sari_tl(t0, t0, 0x3f); 2359 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 2360 t1 = tcg_temp_new(); 2361 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f); 2362 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 2363 tcg_temp_free(t1); 2364 tcg_temp_free(t0); 2365 if (unlikely(Rc(ctx->opcode) != 0)) { 2366 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 2367 } 2368 } 2369 #endif 2370 2371 /*** Addressing modes ***/ 2372 /* Register indirect with immediate index : EA = (rA|0) + SIMM */ 2373 static inline void gen_addr_imm_index(DisasContext *ctx, TCGv EA, 2374 target_long maskl) 2375 { 2376 target_long simm = SIMM(ctx->opcode); 2377 2378 simm &= ~maskl; 2379 if (rA(ctx->opcode) == 0) { 2380 if (NARROW_MODE(ctx)) { 2381 simm = (uint32_t)simm; 2382 } 2383 tcg_gen_movi_tl(EA, simm); 2384 } else if (likely(simm != 0)) { 2385 tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm); 2386 if (NARROW_MODE(ctx)) { 2387 tcg_gen_ext32u_tl(EA, EA); 2388 } 2389 } else { 2390 if (NARROW_MODE(ctx)) { 2391 tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]); 2392 } else { 2393 tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]); 2394 } 2395 } 2396 } 2397 2398 static inline void gen_addr_reg_index(DisasContext *ctx, TCGv EA) 2399 { 2400 if (rA(ctx->opcode) == 0) { 2401 if (NARROW_MODE(ctx)) { 2402 tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]); 2403 } else { 2404 tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]); 2405 } 2406 } else { 2407 tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 2408 if (NARROW_MODE(ctx)) { 2409 tcg_gen_ext32u_tl(EA, EA); 2410 } 2411 } 2412 } 2413 2414 static inline void gen_addr_register(DisasContext *ctx, TCGv EA) 2415 { 2416 if (rA(ctx->opcode) == 0) { 2417 tcg_gen_movi_tl(EA, 0); 2418 } else if (NARROW_MODE(ctx)) { 2419 tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]); 2420 } else { 2421 tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]); 2422 } 2423 } 2424 2425 static inline void gen_addr_add(DisasContext *ctx, TCGv ret, TCGv arg1, 2426 target_long val) 2427 { 2428 tcg_gen_addi_tl(ret, arg1, val); 2429 if (NARROW_MODE(ctx)) { 2430 tcg_gen_ext32u_tl(ret, ret); 2431 } 2432 } 2433 2434 static inline void gen_align_no_le(DisasContext *ctx) 2435 { 2436 gen_exception_err(ctx, POWERPC_EXCP_ALIGN, 2437 (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE); 2438 } 2439 2440 /*** Integer load ***/ 2441 #define DEF_MEMOP(op) ((op) | ctx->default_tcg_memop_mask) 2442 #define BSWAP_MEMOP(op) ((op) | (ctx->default_tcg_memop_mask ^ MO_BSWAP)) 2443 2444 #define GEN_QEMU_LOAD_TL(ldop, op) \ 2445 static void glue(gen_qemu_, ldop)(DisasContext *ctx, \ 2446 TCGv val, \ 2447 TCGv addr) \ 2448 { \ 2449 tcg_gen_qemu_ld_tl(val, addr, ctx->mem_idx, op); \ 2450 } 2451 2452 GEN_QEMU_LOAD_TL(ld8u, DEF_MEMOP(MO_UB)) 2453 GEN_QEMU_LOAD_TL(ld16u, DEF_MEMOP(MO_UW)) 2454 GEN_QEMU_LOAD_TL(ld16s, DEF_MEMOP(MO_SW)) 2455 GEN_QEMU_LOAD_TL(ld32u, DEF_MEMOP(MO_UL)) 2456 GEN_QEMU_LOAD_TL(ld32s, DEF_MEMOP(MO_SL)) 2457 2458 GEN_QEMU_LOAD_TL(ld16ur, BSWAP_MEMOP(MO_UW)) 2459 GEN_QEMU_LOAD_TL(ld32ur, BSWAP_MEMOP(MO_UL)) 2460 2461 #define GEN_QEMU_LOAD_64(ldop, op) \ 2462 static void glue(gen_qemu_, glue(ldop, _i64))(DisasContext *ctx, \ 2463 TCGv_i64 val, \ 2464 TCGv addr) \ 2465 { \ 2466 tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, op); \ 2467 } 2468 2469 GEN_QEMU_LOAD_64(ld8u, DEF_MEMOP(MO_UB)) 2470 GEN_QEMU_LOAD_64(ld16u, DEF_MEMOP(MO_UW)) 2471 GEN_QEMU_LOAD_64(ld32u, DEF_MEMOP(MO_UL)) 2472 GEN_QEMU_LOAD_64(ld32s, DEF_MEMOP(MO_SL)) 2473 GEN_QEMU_LOAD_64(ld64, DEF_MEMOP(MO_Q)) 2474 2475 #if defined(TARGET_PPC64) 2476 GEN_QEMU_LOAD_64(ld64ur, BSWAP_MEMOP(MO_Q)) 2477 #endif 2478 2479 #define GEN_QEMU_STORE_TL(stop, op) \ 2480 static void glue(gen_qemu_, stop)(DisasContext *ctx, \ 2481 TCGv val, \ 2482 TCGv addr) \ 2483 { \ 2484 tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, op); \ 2485 } 2486 2487 GEN_QEMU_STORE_TL(st8, DEF_MEMOP(MO_UB)) 2488 GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW)) 2489 GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL)) 2490 2491 GEN_QEMU_STORE_TL(st16r, BSWAP_MEMOP(MO_UW)) 2492 GEN_QEMU_STORE_TL(st32r, BSWAP_MEMOP(MO_UL)) 2493 2494 #define GEN_QEMU_STORE_64(stop, op) \ 2495 static void glue(gen_qemu_, glue(stop, _i64))(DisasContext *ctx, \ 2496 TCGv_i64 val, \ 2497 TCGv addr) \ 2498 { \ 2499 tcg_gen_qemu_st_i64(val, addr, ctx->mem_idx, op); \ 2500 } 2501 2502 GEN_QEMU_STORE_64(st8, DEF_MEMOP(MO_UB)) 2503 GEN_QEMU_STORE_64(st16, DEF_MEMOP(MO_UW)) 2504 GEN_QEMU_STORE_64(st32, DEF_MEMOP(MO_UL)) 2505 GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_Q)) 2506 2507 #if defined(TARGET_PPC64) 2508 GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_Q)) 2509 #endif 2510 2511 #define GEN_LD(name, ldop, opc, type) \ 2512 static void glue(gen_, name)(DisasContext *ctx) \ 2513 { \ 2514 TCGv EA; \ 2515 gen_set_access_type(ctx, ACCESS_INT); \ 2516 EA = tcg_temp_new(); \ 2517 gen_addr_imm_index(ctx, EA, 0); \ 2518 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \ 2519 tcg_temp_free(EA); \ 2520 } 2521 2522 #define GEN_LDU(name, ldop, opc, type) \ 2523 static void glue(gen_, name##u)(DisasContext *ctx) \ 2524 { \ 2525 TCGv EA; \ 2526 if (unlikely(rA(ctx->opcode) == 0 || \ 2527 rA(ctx->opcode) == rD(ctx->opcode))) { \ 2528 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ 2529 return; \ 2530 } \ 2531 gen_set_access_type(ctx, ACCESS_INT); \ 2532 EA = tcg_temp_new(); \ 2533 if (type == PPC_64B) \ 2534 gen_addr_imm_index(ctx, EA, 0x03); \ 2535 else \ 2536 gen_addr_imm_index(ctx, EA, 0); \ 2537 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \ 2538 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \ 2539 tcg_temp_free(EA); \ 2540 } 2541 2542 #define GEN_LDUX(name, ldop, opc2, opc3, type) \ 2543 static void glue(gen_, name##ux)(DisasContext *ctx) \ 2544 { \ 2545 TCGv EA; \ 2546 if (unlikely(rA(ctx->opcode) == 0 || \ 2547 rA(ctx->opcode) == rD(ctx->opcode))) { \ 2548 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ 2549 return; \ 2550 } \ 2551 gen_set_access_type(ctx, ACCESS_INT); \ 2552 EA = tcg_temp_new(); \ 2553 gen_addr_reg_index(ctx, EA); \ 2554 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \ 2555 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \ 2556 tcg_temp_free(EA); \ 2557 } 2558 2559 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \ 2560 static void glue(gen_, name##x)(DisasContext *ctx) \ 2561 { \ 2562 TCGv EA; \ 2563 chk; \ 2564 gen_set_access_type(ctx, ACCESS_INT); \ 2565 EA = tcg_temp_new(); \ 2566 gen_addr_reg_index(ctx, EA); \ 2567 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \ 2568 tcg_temp_free(EA); \ 2569 } 2570 2571 #define GEN_LDX(name, ldop, opc2, opc3, type) \ 2572 GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_NONE) 2573 2574 #define GEN_LDX_HVRM(name, ldop, opc2, opc3, type) \ 2575 GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_HVRM) 2576 2577 #define GEN_LDS(name, ldop, op, type) \ 2578 GEN_LD(name, ldop, op | 0x20, type); \ 2579 GEN_LDU(name, ldop, op | 0x21, type); \ 2580 GEN_LDUX(name, ldop, 0x17, op | 0x01, type); \ 2581 GEN_LDX(name, ldop, 0x17, op | 0x00, type) 2582 2583 /* lbz lbzu lbzux lbzx */ 2584 GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER); 2585 /* lha lhau lhaux lhax */ 2586 GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER); 2587 /* lhz lhzu lhzux lhzx */ 2588 GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER); 2589 /* lwz lwzu lwzux lwzx */ 2590 GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER); 2591 2592 #define GEN_LDEPX(name, ldop, opc2, opc3) \ 2593 static void glue(gen_, name##epx)(DisasContext *ctx) \ 2594 { \ 2595 TCGv EA; \ 2596 CHK_SV; \ 2597 gen_set_access_type(ctx, ACCESS_INT); \ 2598 EA = tcg_temp_new(); \ 2599 gen_addr_reg_index(ctx, EA); \ 2600 tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_LOAD, ldop);\ 2601 tcg_temp_free(EA); \ 2602 } 2603 2604 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02) 2605 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08) 2606 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00) 2607 #if defined(TARGET_PPC64) 2608 GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00) 2609 #endif 2610 2611 #if defined(TARGET_PPC64) 2612 /* lwaux */ 2613 GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B); 2614 /* lwax */ 2615 GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B); 2616 /* ldux */ 2617 GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B); 2618 /* ldx */ 2619 GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B); 2620 2621 /* CI load/store variants */ 2622 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST) 2623 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST) 2624 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST) 2625 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST) 2626 2627 static void gen_ld(DisasContext *ctx) 2628 { 2629 TCGv EA; 2630 if (Rc(ctx->opcode)) { 2631 if (unlikely(rA(ctx->opcode) == 0 || 2632 rA(ctx->opcode) == rD(ctx->opcode))) { 2633 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 2634 return; 2635 } 2636 } 2637 gen_set_access_type(ctx, ACCESS_INT); 2638 EA = tcg_temp_new(); 2639 gen_addr_imm_index(ctx, EA, 0x03); 2640 if (ctx->opcode & 0x02) { 2641 /* lwa (lwau is undefined) */ 2642 gen_qemu_ld32s(ctx, cpu_gpr[rD(ctx->opcode)], EA); 2643 } else { 2644 /* ld - ldu */ 2645 gen_qemu_ld64_i64(ctx, cpu_gpr[rD(ctx->opcode)], EA); 2646 } 2647 if (Rc(ctx->opcode)) { 2648 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); 2649 } 2650 tcg_temp_free(EA); 2651 } 2652 2653 /* lq */ 2654 static void gen_lq(DisasContext *ctx) 2655 { 2656 int ra, rd; 2657 TCGv EA, hi, lo; 2658 2659 /* lq is a legal user mode instruction starting in ISA 2.07 */ 2660 bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0; 2661 bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0; 2662 2663 if (!legal_in_user_mode && ctx->pr) { 2664 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); 2665 return; 2666 } 2667 2668 if (!le_is_supported && ctx->le_mode) { 2669 gen_align_no_le(ctx); 2670 return; 2671 } 2672 ra = rA(ctx->opcode); 2673 rd = rD(ctx->opcode); 2674 if (unlikely((rd & 1) || rd == ra)) { 2675 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 2676 return; 2677 } 2678 2679 gen_set_access_type(ctx, ACCESS_INT); 2680 EA = tcg_temp_new(); 2681 gen_addr_imm_index(ctx, EA, 0x0F); 2682 2683 /* Note that the low part is always in RD+1, even in LE mode. */ 2684 lo = cpu_gpr[rd + 1]; 2685 hi = cpu_gpr[rd]; 2686 2687 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 2688 if (HAVE_ATOMIC128) { 2689 TCGv_i32 oi = tcg_temp_new_i32(); 2690 if (ctx->le_mode) { 2691 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ, ctx->mem_idx)); 2692 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi); 2693 } else { 2694 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ, ctx->mem_idx)); 2695 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi); 2696 } 2697 tcg_temp_free_i32(oi); 2698 tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh)); 2699 } else { 2700 /* Restart with exclusive lock. */ 2701 gen_helper_exit_atomic(cpu_env); 2702 ctx->base.is_jmp = DISAS_NORETURN; 2703 } 2704 } else if (ctx->le_mode) { 2705 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEQ); 2706 gen_addr_add(ctx, EA, EA, 8); 2707 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEQ); 2708 } else { 2709 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEQ); 2710 gen_addr_add(ctx, EA, EA, 8); 2711 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEQ); 2712 } 2713 tcg_temp_free(EA); 2714 } 2715 #endif 2716 2717 /*** Integer store ***/ 2718 #define GEN_ST(name, stop, opc, type) \ 2719 static void glue(gen_, name)(DisasContext *ctx) \ 2720 { \ 2721 TCGv EA; \ 2722 gen_set_access_type(ctx, ACCESS_INT); \ 2723 EA = tcg_temp_new(); \ 2724 gen_addr_imm_index(ctx, EA, 0); \ 2725 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \ 2726 tcg_temp_free(EA); \ 2727 } 2728 2729 #define GEN_STU(name, stop, opc, type) \ 2730 static void glue(gen_, stop##u)(DisasContext *ctx) \ 2731 { \ 2732 TCGv EA; \ 2733 if (unlikely(rA(ctx->opcode) == 0)) { \ 2734 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ 2735 return; \ 2736 } \ 2737 gen_set_access_type(ctx, ACCESS_INT); \ 2738 EA = tcg_temp_new(); \ 2739 if (type == PPC_64B) \ 2740 gen_addr_imm_index(ctx, EA, 0x03); \ 2741 else \ 2742 gen_addr_imm_index(ctx, EA, 0); \ 2743 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \ 2744 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \ 2745 tcg_temp_free(EA); \ 2746 } 2747 2748 #define GEN_STUX(name, stop, opc2, opc3, type) \ 2749 static void glue(gen_, name##ux)(DisasContext *ctx) \ 2750 { \ 2751 TCGv EA; \ 2752 if (unlikely(rA(ctx->opcode) == 0)) { \ 2753 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ 2754 return; \ 2755 } \ 2756 gen_set_access_type(ctx, ACCESS_INT); \ 2757 EA = tcg_temp_new(); \ 2758 gen_addr_reg_index(ctx, EA); \ 2759 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \ 2760 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \ 2761 tcg_temp_free(EA); \ 2762 } 2763 2764 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \ 2765 static void glue(gen_, name##x)(DisasContext *ctx) \ 2766 { \ 2767 TCGv EA; \ 2768 chk; \ 2769 gen_set_access_type(ctx, ACCESS_INT); \ 2770 EA = tcg_temp_new(); \ 2771 gen_addr_reg_index(ctx, EA); \ 2772 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \ 2773 tcg_temp_free(EA); \ 2774 } 2775 #define GEN_STX(name, stop, opc2, opc3, type) \ 2776 GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_NONE) 2777 2778 #define GEN_STX_HVRM(name, stop, opc2, opc3, type) \ 2779 GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_HVRM) 2780 2781 #define GEN_STS(name, stop, op, type) \ 2782 GEN_ST(name, stop, op | 0x20, type); \ 2783 GEN_STU(name, stop, op | 0x21, type); \ 2784 GEN_STUX(name, stop, 0x17, op | 0x01, type); \ 2785 GEN_STX(name, stop, 0x17, op | 0x00, type) 2786 2787 /* stb stbu stbux stbx */ 2788 GEN_STS(stb, st8, 0x06, PPC_INTEGER); 2789 /* sth sthu sthux sthx */ 2790 GEN_STS(sth, st16, 0x0C, PPC_INTEGER); 2791 /* stw stwu stwux stwx */ 2792 GEN_STS(stw, st32, 0x04, PPC_INTEGER); 2793 2794 #define GEN_STEPX(name, stop, opc2, opc3) \ 2795 static void glue(gen_, name##epx)(DisasContext *ctx) \ 2796 { \ 2797 TCGv EA; \ 2798 CHK_SV; \ 2799 gen_set_access_type(ctx, ACCESS_INT); \ 2800 EA = tcg_temp_new(); \ 2801 gen_addr_reg_index(ctx, EA); \ 2802 tcg_gen_qemu_st_tl( \ 2803 cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_STORE, stop); \ 2804 tcg_temp_free(EA); \ 2805 } 2806 2807 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06) 2808 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C) 2809 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04) 2810 #if defined(TARGET_PPC64) 2811 GEN_STEPX(std, DEF_MEMOP(MO_Q), 0x1d, 0x04) 2812 #endif 2813 2814 #if defined(TARGET_PPC64) 2815 GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B); 2816 GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B); 2817 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST) 2818 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST) 2819 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST) 2820 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST) 2821 2822 static void gen_std(DisasContext *ctx) 2823 { 2824 int rs; 2825 TCGv EA; 2826 2827 rs = rS(ctx->opcode); 2828 if ((ctx->opcode & 0x3) == 0x2) { /* stq */ 2829 bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0; 2830 bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0; 2831 TCGv hi, lo; 2832 2833 if (!(ctx->insns_flags & PPC_64BX)) { 2834 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 2835 } 2836 2837 if (!legal_in_user_mode && ctx->pr) { 2838 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); 2839 return; 2840 } 2841 2842 if (!le_is_supported && ctx->le_mode) { 2843 gen_align_no_le(ctx); 2844 return; 2845 } 2846 2847 if (unlikely(rs & 1)) { 2848 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 2849 return; 2850 } 2851 gen_set_access_type(ctx, ACCESS_INT); 2852 EA = tcg_temp_new(); 2853 gen_addr_imm_index(ctx, EA, 0x03); 2854 2855 /* Note that the low part is always in RS+1, even in LE mode. */ 2856 lo = cpu_gpr[rs + 1]; 2857 hi = cpu_gpr[rs]; 2858 2859 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 2860 if (HAVE_ATOMIC128) { 2861 TCGv_i32 oi = tcg_temp_new_i32(); 2862 if (ctx->le_mode) { 2863 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ, ctx->mem_idx)); 2864 gen_helper_stq_le_parallel(cpu_env, EA, lo, hi, oi); 2865 } else { 2866 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ, ctx->mem_idx)); 2867 gen_helper_stq_be_parallel(cpu_env, EA, lo, hi, oi); 2868 } 2869 tcg_temp_free_i32(oi); 2870 } else { 2871 /* Restart with exclusive lock. */ 2872 gen_helper_exit_atomic(cpu_env); 2873 ctx->base.is_jmp = DISAS_NORETURN; 2874 } 2875 } else if (ctx->le_mode) { 2876 tcg_gen_qemu_st_i64(lo, EA, ctx->mem_idx, MO_LEQ); 2877 gen_addr_add(ctx, EA, EA, 8); 2878 tcg_gen_qemu_st_i64(hi, EA, ctx->mem_idx, MO_LEQ); 2879 } else { 2880 tcg_gen_qemu_st_i64(hi, EA, ctx->mem_idx, MO_BEQ); 2881 gen_addr_add(ctx, EA, EA, 8); 2882 tcg_gen_qemu_st_i64(lo, EA, ctx->mem_idx, MO_BEQ); 2883 } 2884 tcg_temp_free(EA); 2885 } else { 2886 /* std / stdu */ 2887 if (Rc(ctx->opcode)) { 2888 if (unlikely(rA(ctx->opcode) == 0)) { 2889 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 2890 return; 2891 } 2892 } 2893 gen_set_access_type(ctx, ACCESS_INT); 2894 EA = tcg_temp_new(); 2895 gen_addr_imm_index(ctx, EA, 0x03); 2896 gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA); 2897 if (Rc(ctx->opcode)) { 2898 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); 2899 } 2900 tcg_temp_free(EA); 2901 } 2902 } 2903 #endif 2904 /*** Integer load and store with byte reverse ***/ 2905 2906 /* lhbrx */ 2907 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER); 2908 2909 /* lwbrx */ 2910 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER); 2911 2912 #if defined(TARGET_PPC64) 2913 /* ldbrx */ 2914 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE); 2915 /* stdbrx */ 2916 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE); 2917 #endif /* TARGET_PPC64 */ 2918 2919 /* sthbrx */ 2920 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER); 2921 /* stwbrx */ 2922 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER); 2923 2924 /*** Integer load and store multiple ***/ 2925 2926 /* lmw */ 2927 static void gen_lmw(DisasContext *ctx) 2928 { 2929 TCGv t0; 2930 TCGv_i32 t1; 2931 2932 if (ctx->le_mode) { 2933 gen_align_no_le(ctx); 2934 return; 2935 } 2936 gen_set_access_type(ctx, ACCESS_INT); 2937 t0 = tcg_temp_new(); 2938 t1 = tcg_const_i32(rD(ctx->opcode)); 2939 gen_addr_imm_index(ctx, t0, 0); 2940 gen_helper_lmw(cpu_env, t0, t1); 2941 tcg_temp_free(t0); 2942 tcg_temp_free_i32(t1); 2943 } 2944 2945 /* stmw */ 2946 static void gen_stmw(DisasContext *ctx) 2947 { 2948 TCGv t0; 2949 TCGv_i32 t1; 2950 2951 if (ctx->le_mode) { 2952 gen_align_no_le(ctx); 2953 return; 2954 } 2955 gen_set_access_type(ctx, ACCESS_INT); 2956 t0 = tcg_temp_new(); 2957 t1 = tcg_const_i32(rS(ctx->opcode)); 2958 gen_addr_imm_index(ctx, t0, 0); 2959 gen_helper_stmw(cpu_env, t0, t1); 2960 tcg_temp_free(t0); 2961 tcg_temp_free_i32(t1); 2962 } 2963 2964 /*** Integer load and store strings ***/ 2965 2966 /* lswi */ 2967 /* 2968 * PowerPC32 specification says we must generate an exception if rA is 2969 * in the range of registers to be loaded. In an other hand, IBM says 2970 * this is valid, but rA won't be loaded. For now, I'll follow the 2971 * spec... 2972 */ 2973 static void gen_lswi(DisasContext *ctx) 2974 { 2975 TCGv t0; 2976 TCGv_i32 t1, t2; 2977 int nb = NB(ctx->opcode); 2978 int start = rD(ctx->opcode); 2979 int ra = rA(ctx->opcode); 2980 int nr; 2981 2982 if (ctx->le_mode) { 2983 gen_align_no_le(ctx); 2984 return; 2985 } 2986 if (nb == 0) { 2987 nb = 32; 2988 } 2989 nr = DIV_ROUND_UP(nb, 4); 2990 if (unlikely(lsw_reg_in_range(start, nr, ra))) { 2991 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX); 2992 return; 2993 } 2994 gen_set_access_type(ctx, ACCESS_INT); 2995 t0 = tcg_temp_new(); 2996 gen_addr_register(ctx, t0); 2997 t1 = tcg_const_i32(nb); 2998 t2 = tcg_const_i32(start); 2999 gen_helper_lsw(cpu_env, t0, t1, t2); 3000 tcg_temp_free(t0); 3001 tcg_temp_free_i32(t1); 3002 tcg_temp_free_i32(t2); 3003 } 3004 3005 /* lswx */ 3006 static void gen_lswx(DisasContext *ctx) 3007 { 3008 TCGv t0; 3009 TCGv_i32 t1, t2, t3; 3010 3011 if (ctx->le_mode) { 3012 gen_align_no_le(ctx); 3013 return; 3014 } 3015 gen_set_access_type(ctx, ACCESS_INT); 3016 t0 = tcg_temp_new(); 3017 gen_addr_reg_index(ctx, t0); 3018 t1 = tcg_const_i32(rD(ctx->opcode)); 3019 t2 = tcg_const_i32(rA(ctx->opcode)); 3020 t3 = tcg_const_i32(rB(ctx->opcode)); 3021 gen_helper_lswx(cpu_env, t0, t1, t2, t3); 3022 tcg_temp_free(t0); 3023 tcg_temp_free_i32(t1); 3024 tcg_temp_free_i32(t2); 3025 tcg_temp_free_i32(t3); 3026 } 3027 3028 /* stswi */ 3029 static void gen_stswi(DisasContext *ctx) 3030 { 3031 TCGv t0; 3032 TCGv_i32 t1, t2; 3033 int nb = NB(ctx->opcode); 3034 3035 if (ctx->le_mode) { 3036 gen_align_no_le(ctx); 3037 return; 3038 } 3039 gen_set_access_type(ctx, ACCESS_INT); 3040 t0 = tcg_temp_new(); 3041 gen_addr_register(ctx, t0); 3042 if (nb == 0) { 3043 nb = 32; 3044 } 3045 t1 = tcg_const_i32(nb); 3046 t2 = tcg_const_i32(rS(ctx->opcode)); 3047 gen_helper_stsw(cpu_env, t0, t1, t2); 3048 tcg_temp_free(t0); 3049 tcg_temp_free_i32(t1); 3050 tcg_temp_free_i32(t2); 3051 } 3052 3053 /* stswx */ 3054 static void gen_stswx(DisasContext *ctx) 3055 { 3056 TCGv t0; 3057 TCGv_i32 t1, t2; 3058 3059 if (ctx->le_mode) { 3060 gen_align_no_le(ctx); 3061 return; 3062 } 3063 gen_set_access_type(ctx, ACCESS_INT); 3064 t0 = tcg_temp_new(); 3065 gen_addr_reg_index(ctx, t0); 3066 t1 = tcg_temp_new_i32(); 3067 tcg_gen_trunc_tl_i32(t1, cpu_xer); 3068 tcg_gen_andi_i32(t1, t1, 0x7F); 3069 t2 = tcg_const_i32(rS(ctx->opcode)); 3070 gen_helper_stsw(cpu_env, t0, t1, t2); 3071 tcg_temp_free(t0); 3072 tcg_temp_free_i32(t1); 3073 tcg_temp_free_i32(t2); 3074 } 3075 3076 /*** Memory synchronisation ***/ 3077 /* eieio */ 3078 static void gen_eieio(DisasContext *ctx) 3079 { 3080 TCGBar bar = TCG_MO_LD_ST; 3081 3082 /* 3083 * POWER9 has a eieio instruction variant using bit 6 as a hint to 3084 * tell the CPU it is a store-forwarding barrier. 3085 */ 3086 if (ctx->opcode & 0x2000000) { 3087 /* 3088 * ISA says that "Reserved fields in instructions are ignored 3089 * by the processor". So ignore the bit 6 on non-POWER9 CPU but 3090 * as this is not an instruction software should be using, 3091 * complain to the user. 3092 */ 3093 if (!(ctx->insns_flags2 & PPC2_ISA300)) { 3094 qemu_log_mask(LOG_GUEST_ERROR, "invalid eieio using bit 6 at @" 3095 TARGET_FMT_lx "\n", ctx->base.pc_next - 4); 3096 } else { 3097 bar = TCG_MO_ST_LD; 3098 } 3099 } 3100 3101 tcg_gen_mb(bar | TCG_BAR_SC); 3102 } 3103 3104 #if !defined(CONFIG_USER_ONLY) 3105 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) 3106 { 3107 TCGv_i32 t; 3108 TCGLabel *l; 3109 3110 if (!ctx->lazy_tlb_flush) { 3111 return; 3112 } 3113 l = gen_new_label(); 3114 t = tcg_temp_new_i32(); 3115 tcg_gen_ld_i32(t, cpu_env, offsetof(CPUPPCState, tlb_need_flush)); 3116 tcg_gen_brcondi_i32(TCG_COND_EQ, t, 0, l); 3117 if (global) { 3118 gen_helper_check_tlb_flush_global(cpu_env); 3119 } else { 3120 gen_helper_check_tlb_flush_local(cpu_env); 3121 } 3122 gen_set_label(l); 3123 tcg_temp_free_i32(t); 3124 } 3125 #else 3126 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) { } 3127 #endif 3128 3129 /* isync */ 3130 static void gen_isync(DisasContext *ctx) 3131 { 3132 /* 3133 * We need to check for a pending TLB flush. This can only happen in 3134 * kernel mode however so check MSR_PR 3135 */ 3136 if (!ctx->pr) { 3137 gen_check_tlb_flush(ctx, false); 3138 } 3139 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC); 3140 gen_stop_exception(ctx); 3141 } 3142 3143 #define MEMOP_GET_SIZE(x) (1 << ((x) & MO_SIZE)) 3144 3145 static void gen_load_locked(DisasContext *ctx, MemOp memop) 3146 { 3147 TCGv gpr = cpu_gpr[rD(ctx->opcode)]; 3148 TCGv t0 = tcg_temp_new(); 3149 3150 gen_set_access_type(ctx, ACCESS_RES); 3151 gen_addr_reg_index(ctx, t0); 3152 tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop | MO_ALIGN); 3153 tcg_gen_mov_tl(cpu_reserve, t0); 3154 tcg_gen_mov_tl(cpu_reserve_val, gpr); 3155 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ); 3156 tcg_temp_free(t0); 3157 } 3158 3159 #define LARX(name, memop) \ 3160 static void gen_##name(DisasContext *ctx) \ 3161 { \ 3162 gen_load_locked(ctx, memop); \ 3163 } 3164 3165 /* lwarx */ 3166 LARX(lbarx, DEF_MEMOP(MO_UB)) 3167 LARX(lharx, DEF_MEMOP(MO_UW)) 3168 LARX(lwarx, DEF_MEMOP(MO_UL)) 3169 3170 static void gen_fetch_inc_conditional(DisasContext *ctx, MemOp memop, 3171 TCGv EA, TCGCond cond, int addend) 3172 { 3173 TCGv t = tcg_temp_new(); 3174 TCGv t2 = tcg_temp_new(); 3175 TCGv u = tcg_temp_new(); 3176 3177 tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop); 3178 tcg_gen_addi_tl(t2, EA, MEMOP_GET_SIZE(memop)); 3179 tcg_gen_qemu_ld_tl(t2, t2, ctx->mem_idx, memop); 3180 tcg_gen_addi_tl(u, t, addend); 3181 3182 /* E.g. for fetch and increment bounded... */ 3183 /* mem(EA,s) = (t != t2 ? u = t + 1 : t) */ 3184 tcg_gen_movcond_tl(cond, u, t, t2, u, t); 3185 tcg_gen_qemu_st_tl(u, EA, ctx->mem_idx, memop); 3186 3187 /* RT = (t != t2 ? t : u = 1<<(s*8-1)) */ 3188 tcg_gen_movi_tl(u, 1 << (MEMOP_GET_SIZE(memop) * 8 - 1)); 3189 tcg_gen_movcond_tl(cond, cpu_gpr[rD(ctx->opcode)], t, t2, t, u); 3190 3191 tcg_temp_free(t); 3192 tcg_temp_free(t2); 3193 tcg_temp_free(u); 3194 } 3195 3196 static void gen_ld_atomic(DisasContext *ctx, MemOp memop) 3197 { 3198 uint32_t gpr_FC = FC(ctx->opcode); 3199 TCGv EA = tcg_temp_new(); 3200 int rt = rD(ctx->opcode); 3201 bool need_serial; 3202 TCGv src, dst; 3203 3204 gen_addr_register(ctx, EA); 3205 dst = cpu_gpr[rt]; 3206 src = cpu_gpr[(rt + 1) & 31]; 3207 3208 need_serial = false; 3209 memop |= MO_ALIGN; 3210 switch (gpr_FC) { 3211 case 0: /* Fetch and add */ 3212 tcg_gen_atomic_fetch_add_tl(dst, EA, src, ctx->mem_idx, memop); 3213 break; 3214 case 1: /* Fetch and xor */ 3215 tcg_gen_atomic_fetch_xor_tl(dst, EA, src, ctx->mem_idx, memop); 3216 break; 3217 case 2: /* Fetch and or */ 3218 tcg_gen_atomic_fetch_or_tl(dst, EA, src, ctx->mem_idx, memop); 3219 break; 3220 case 3: /* Fetch and 'and' */ 3221 tcg_gen_atomic_fetch_and_tl(dst, EA, src, ctx->mem_idx, memop); 3222 break; 3223 case 4: /* Fetch and max unsigned */ 3224 tcg_gen_atomic_fetch_umax_tl(dst, EA, src, ctx->mem_idx, memop); 3225 break; 3226 case 5: /* Fetch and max signed */ 3227 tcg_gen_atomic_fetch_smax_tl(dst, EA, src, ctx->mem_idx, memop); 3228 break; 3229 case 6: /* Fetch and min unsigned */ 3230 tcg_gen_atomic_fetch_umin_tl(dst, EA, src, ctx->mem_idx, memop); 3231 break; 3232 case 7: /* Fetch and min signed */ 3233 tcg_gen_atomic_fetch_smin_tl(dst, EA, src, ctx->mem_idx, memop); 3234 break; 3235 case 8: /* Swap */ 3236 tcg_gen_atomic_xchg_tl(dst, EA, src, ctx->mem_idx, memop); 3237 break; 3238 3239 case 16: /* Compare and swap not equal */ 3240 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3241 need_serial = true; 3242 } else { 3243 TCGv t0 = tcg_temp_new(); 3244 TCGv t1 = tcg_temp_new(); 3245 3246 tcg_gen_qemu_ld_tl(t0, EA, ctx->mem_idx, memop); 3247 if ((memop & MO_SIZE) == MO_64 || TARGET_LONG_BITS == 32) { 3248 tcg_gen_mov_tl(t1, src); 3249 } else { 3250 tcg_gen_ext32u_tl(t1, src); 3251 } 3252 tcg_gen_movcond_tl(TCG_COND_NE, t1, t0, t1, 3253 cpu_gpr[(rt + 2) & 31], t0); 3254 tcg_gen_qemu_st_tl(t1, EA, ctx->mem_idx, memop); 3255 tcg_gen_mov_tl(dst, t0); 3256 3257 tcg_temp_free(t0); 3258 tcg_temp_free(t1); 3259 } 3260 break; 3261 3262 case 24: /* Fetch and increment bounded */ 3263 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3264 need_serial = true; 3265 } else { 3266 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, 1); 3267 } 3268 break; 3269 case 25: /* Fetch and increment equal */ 3270 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3271 need_serial = true; 3272 } else { 3273 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_EQ, 1); 3274 } 3275 break; 3276 case 28: /* Fetch and decrement bounded */ 3277 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3278 need_serial = true; 3279 } else { 3280 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, -1); 3281 } 3282 break; 3283 3284 default: 3285 /* invoke data storage error handler */ 3286 gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL); 3287 } 3288 tcg_temp_free(EA); 3289 3290 if (need_serial) { 3291 /* Restart with exclusive lock. */ 3292 gen_helper_exit_atomic(cpu_env); 3293 ctx->base.is_jmp = DISAS_NORETURN; 3294 } 3295 } 3296 3297 static void gen_lwat(DisasContext *ctx) 3298 { 3299 gen_ld_atomic(ctx, DEF_MEMOP(MO_UL)); 3300 } 3301 3302 #ifdef TARGET_PPC64 3303 static void gen_ldat(DisasContext *ctx) 3304 { 3305 gen_ld_atomic(ctx, DEF_MEMOP(MO_Q)); 3306 } 3307 #endif 3308 3309 static void gen_st_atomic(DisasContext *ctx, MemOp memop) 3310 { 3311 uint32_t gpr_FC = FC(ctx->opcode); 3312 TCGv EA = tcg_temp_new(); 3313 TCGv src, discard; 3314 3315 gen_addr_register(ctx, EA); 3316 src = cpu_gpr[rD(ctx->opcode)]; 3317 discard = tcg_temp_new(); 3318 3319 memop |= MO_ALIGN; 3320 switch (gpr_FC) { 3321 case 0: /* add and Store */ 3322 tcg_gen_atomic_add_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3323 break; 3324 case 1: /* xor and Store */ 3325 tcg_gen_atomic_xor_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3326 break; 3327 case 2: /* Or and Store */ 3328 tcg_gen_atomic_or_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3329 break; 3330 case 3: /* 'and' and Store */ 3331 tcg_gen_atomic_and_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3332 break; 3333 case 4: /* Store max unsigned */ 3334 tcg_gen_atomic_umax_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3335 break; 3336 case 5: /* Store max signed */ 3337 tcg_gen_atomic_smax_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3338 break; 3339 case 6: /* Store min unsigned */ 3340 tcg_gen_atomic_umin_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3341 break; 3342 case 7: /* Store min signed */ 3343 tcg_gen_atomic_smin_fetch_tl(discard, EA, src, ctx->mem_idx, memop); 3344 break; 3345 case 24: /* Store twin */ 3346 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3347 /* Restart with exclusive lock. */ 3348 gen_helper_exit_atomic(cpu_env); 3349 ctx->base.is_jmp = DISAS_NORETURN; 3350 } else { 3351 TCGv t = tcg_temp_new(); 3352 TCGv t2 = tcg_temp_new(); 3353 TCGv s = tcg_temp_new(); 3354 TCGv s2 = tcg_temp_new(); 3355 TCGv ea_plus_s = tcg_temp_new(); 3356 3357 tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop); 3358 tcg_gen_addi_tl(ea_plus_s, EA, MEMOP_GET_SIZE(memop)); 3359 tcg_gen_qemu_ld_tl(t2, ea_plus_s, ctx->mem_idx, memop); 3360 tcg_gen_movcond_tl(TCG_COND_EQ, s, t, t2, src, t); 3361 tcg_gen_movcond_tl(TCG_COND_EQ, s2, t, t2, src, t2); 3362 tcg_gen_qemu_st_tl(s, EA, ctx->mem_idx, memop); 3363 tcg_gen_qemu_st_tl(s2, ea_plus_s, ctx->mem_idx, memop); 3364 3365 tcg_temp_free(ea_plus_s); 3366 tcg_temp_free(s2); 3367 tcg_temp_free(s); 3368 tcg_temp_free(t2); 3369 tcg_temp_free(t); 3370 } 3371 break; 3372 default: 3373 /* invoke data storage error handler */ 3374 gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL); 3375 } 3376 tcg_temp_free(discard); 3377 tcg_temp_free(EA); 3378 } 3379 3380 static void gen_stwat(DisasContext *ctx) 3381 { 3382 gen_st_atomic(ctx, DEF_MEMOP(MO_UL)); 3383 } 3384 3385 #ifdef TARGET_PPC64 3386 static void gen_stdat(DisasContext *ctx) 3387 { 3388 gen_st_atomic(ctx, DEF_MEMOP(MO_Q)); 3389 } 3390 #endif 3391 3392 static void gen_conditional_store(DisasContext *ctx, MemOp memop) 3393 { 3394 TCGLabel *l1 = gen_new_label(); 3395 TCGLabel *l2 = gen_new_label(); 3396 TCGv t0 = tcg_temp_new(); 3397 int reg = rS(ctx->opcode); 3398 3399 gen_set_access_type(ctx, ACCESS_RES); 3400 gen_addr_reg_index(ctx, t0); 3401 tcg_gen_brcond_tl(TCG_COND_NE, t0, cpu_reserve, l1); 3402 tcg_temp_free(t0); 3403 3404 t0 = tcg_temp_new(); 3405 tcg_gen_atomic_cmpxchg_tl(t0, cpu_reserve, cpu_reserve_val, 3406 cpu_gpr[reg], ctx->mem_idx, 3407 DEF_MEMOP(memop) | MO_ALIGN); 3408 tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_reserve_val); 3409 tcg_gen_shli_tl(t0, t0, CRF_EQ_BIT); 3410 tcg_gen_or_tl(t0, t0, cpu_so); 3411 tcg_gen_trunc_tl_i32(cpu_crf[0], t0); 3412 tcg_temp_free(t0); 3413 tcg_gen_br(l2); 3414 3415 gen_set_label(l1); 3416 3417 /* 3418 * Address mismatch implies failure. But we still need to provide 3419 * the memory barrier semantics of the instruction. 3420 */ 3421 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL); 3422 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 3423 3424 gen_set_label(l2); 3425 tcg_gen_movi_tl(cpu_reserve, -1); 3426 } 3427 3428 #define STCX(name, memop) \ 3429 static void gen_##name(DisasContext *ctx) \ 3430 { \ 3431 gen_conditional_store(ctx, memop); \ 3432 } 3433 3434 STCX(stbcx_, DEF_MEMOP(MO_UB)) 3435 STCX(sthcx_, DEF_MEMOP(MO_UW)) 3436 STCX(stwcx_, DEF_MEMOP(MO_UL)) 3437 3438 #if defined(TARGET_PPC64) 3439 /* ldarx */ 3440 LARX(ldarx, DEF_MEMOP(MO_Q)) 3441 /* stdcx. */ 3442 STCX(stdcx_, DEF_MEMOP(MO_Q)) 3443 3444 /* lqarx */ 3445 static void gen_lqarx(DisasContext *ctx) 3446 { 3447 int rd = rD(ctx->opcode); 3448 TCGv EA, hi, lo; 3449 3450 if (unlikely((rd & 1) || (rd == rA(ctx->opcode)) || 3451 (rd == rB(ctx->opcode)))) { 3452 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 3453 return; 3454 } 3455 3456 gen_set_access_type(ctx, ACCESS_RES); 3457 EA = tcg_temp_new(); 3458 gen_addr_reg_index(ctx, EA); 3459 3460 /* Note that the low part is always in RD+1, even in LE mode. */ 3461 lo = cpu_gpr[rd + 1]; 3462 hi = cpu_gpr[rd]; 3463 3464 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3465 if (HAVE_ATOMIC128) { 3466 TCGv_i32 oi = tcg_temp_new_i32(); 3467 if (ctx->le_mode) { 3468 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ | MO_ALIGN_16, 3469 ctx->mem_idx)); 3470 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi); 3471 } else { 3472 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ | MO_ALIGN_16, 3473 ctx->mem_idx)); 3474 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi); 3475 } 3476 tcg_temp_free_i32(oi); 3477 tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh)); 3478 } else { 3479 /* Restart with exclusive lock. */ 3480 gen_helper_exit_atomic(cpu_env); 3481 ctx->base.is_jmp = DISAS_NORETURN; 3482 tcg_temp_free(EA); 3483 return; 3484 } 3485 } else if (ctx->le_mode) { 3486 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEQ | MO_ALIGN_16); 3487 tcg_gen_mov_tl(cpu_reserve, EA); 3488 gen_addr_add(ctx, EA, EA, 8); 3489 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEQ); 3490 } else { 3491 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEQ | MO_ALIGN_16); 3492 tcg_gen_mov_tl(cpu_reserve, EA); 3493 gen_addr_add(ctx, EA, EA, 8); 3494 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEQ); 3495 } 3496 tcg_temp_free(EA); 3497 3498 tcg_gen_st_tl(hi, cpu_env, offsetof(CPUPPCState, reserve_val)); 3499 tcg_gen_st_tl(lo, cpu_env, offsetof(CPUPPCState, reserve_val2)); 3500 } 3501 3502 /* stqcx. */ 3503 static void gen_stqcx_(DisasContext *ctx) 3504 { 3505 int rs = rS(ctx->opcode); 3506 TCGv EA, hi, lo; 3507 3508 if (unlikely(rs & 1)) { 3509 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 3510 return; 3511 } 3512 3513 gen_set_access_type(ctx, ACCESS_RES); 3514 EA = tcg_temp_new(); 3515 gen_addr_reg_index(ctx, EA); 3516 3517 /* Note that the low part is always in RS+1, even in LE mode. */ 3518 lo = cpu_gpr[rs + 1]; 3519 hi = cpu_gpr[rs]; 3520 3521 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { 3522 if (HAVE_CMPXCHG128) { 3523 TCGv_i32 oi = tcg_const_i32(DEF_MEMOP(MO_Q) | MO_ALIGN_16); 3524 if (ctx->le_mode) { 3525 gen_helper_stqcx_le_parallel(cpu_crf[0], cpu_env, 3526 EA, lo, hi, oi); 3527 } else { 3528 gen_helper_stqcx_be_parallel(cpu_crf[0], cpu_env, 3529 EA, lo, hi, oi); 3530 } 3531 tcg_temp_free_i32(oi); 3532 } else { 3533 /* Restart with exclusive lock. */ 3534 gen_helper_exit_atomic(cpu_env); 3535 ctx->base.is_jmp = DISAS_NORETURN; 3536 } 3537 tcg_temp_free(EA); 3538 } else { 3539 TCGLabel *lab_fail = gen_new_label(); 3540 TCGLabel *lab_over = gen_new_label(); 3541 TCGv_i64 t0 = tcg_temp_new_i64(); 3542 TCGv_i64 t1 = tcg_temp_new_i64(); 3543 3544 tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, lab_fail); 3545 tcg_temp_free(EA); 3546 3547 gen_qemu_ld64_i64(ctx, t0, cpu_reserve); 3548 tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode 3549 ? offsetof(CPUPPCState, reserve_val2) 3550 : offsetof(CPUPPCState, reserve_val))); 3551 tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail); 3552 3553 tcg_gen_addi_i64(t0, cpu_reserve, 8); 3554 gen_qemu_ld64_i64(ctx, t0, t0); 3555 tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode 3556 ? offsetof(CPUPPCState, reserve_val) 3557 : offsetof(CPUPPCState, reserve_val2))); 3558 tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail); 3559 3560 /* Success */ 3561 gen_qemu_st64_i64(ctx, ctx->le_mode ? lo : hi, cpu_reserve); 3562 tcg_gen_addi_i64(t0, cpu_reserve, 8); 3563 gen_qemu_st64_i64(ctx, ctx->le_mode ? hi : lo, t0); 3564 3565 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 3566 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ); 3567 tcg_gen_br(lab_over); 3568 3569 gen_set_label(lab_fail); 3570 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 3571 3572 gen_set_label(lab_over); 3573 tcg_gen_movi_tl(cpu_reserve, -1); 3574 tcg_temp_free_i64(t0); 3575 tcg_temp_free_i64(t1); 3576 } 3577 } 3578 #endif /* defined(TARGET_PPC64) */ 3579 3580 /* sync */ 3581 static void gen_sync(DisasContext *ctx) 3582 { 3583 uint32_t l = (ctx->opcode >> 21) & 3; 3584 3585 /* 3586 * We may need to check for a pending TLB flush. 3587 * 3588 * We do this on ptesync (l == 2) on ppc64 and any sync pn ppc32. 3589 * 3590 * Additionally, this can only happen in kernel mode however so 3591 * check MSR_PR as well. 3592 */ 3593 if (((l == 2) || !(ctx->insns_flags & PPC_64B)) && !ctx->pr) { 3594 gen_check_tlb_flush(ctx, true); 3595 } 3596 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC); 3597 } 3598 3599 /* wait */ 3600 static void gen_wait(DisasContext *ctx) 3601 { 3602 TCGv_i32 t0 = tcg_const_i32(1); 3603 tcg_gen_st_i32(t0, cpu_env, 3604 -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted)); 3605 tcg_temp_free_i32(t0); 3606 /* Stop translation, as the CPU is supposed to sleep from now */ 3607 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 3608 } 3609 3610 #if defined(TARGET_PPC64) 3611 static void gen_doze(DisasContext *ctx) 3612 { 3613 #if defined(CONFIG_USER_ONLY) 3614 GEN_PRIV; 3615 #else 3616 TCGv_i32 t; 3617 3618 CHK_HV; 3619 t = tcg_const_i32(PPC_PM_DOZE); 3620 gen_helper_pminsn(cpu_env, t); 3621 tcg_temp_free_i32(t); 3622 /* Stop translation, as the CPU is supposed to sleep from now */ 3623 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 3624 #endif /* defined(CONFIG_USER_ONLY) */ 3625 } 3626 3627 static void gen_nap(DisasContext *ctx) 3628 { 3629 #if defined(CONFIG_USER_ONLY) 3630 GEN_PRIV; 3631 #else 3632 TCGv_i32 t; 3633 3634 CHK_HV; 3635 t = tcg_const_i32(PPC_PM_NAP); 3636 gen_helper_pminsn(cpu_env, t); 3637 tcg_temp_free_i32(t); 3638 /* Stop translation, as the CPU is supposed to sleep from now */ 3639 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 3640 #endif /* defined(CONFIG_USER_ONLY) */ 3641 } 3642 3643 static void gen_stop(DisasContext *ctx) 3644 { 3645 #if defined(CONFIG_USER_ONLY) 3646 GEN_PRIV; 3647 #else 3648 TCGv_i32 t; 3649 3650 CHK_HV; 3651 t = tcg_const_i32(PPC_PM_STOP); 3652 gen_helper_pminsn(cpu_env, t); 3653 tcg_temp_free_i32(t); 3654 /* Stop translation, as the CPU is supposed to sleep from now */ 3655 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 3656 #endif /* defined(CONFIG_USER_ONLY) */ 3657 } 3658 3659 static void gen_sleep(DisasContext *ctx) 3660 { 3661 #if defined(CONFIG_USER_ONLY) 3662 GEN_PRIV; 3663 #else 3664 TCGv_i32 t; 3665 3666 CHK_HV; 3667 t = tcg_const_i32(PPC_PM_SLEEP); 3668 gen_helper_pminsn(cpu_env, t); 3669 tcg_temp_free_i32(t); 3670 /* Stop translation, as the CPU is supposed to sleep from now */ 3671 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 3672 #endif /* defined(CONFIG_USER_ONLY) */ 3673 } 3674 3675 static void gen_rvwinkle(DisasContext *ctx) 3676 { 3677 #if defined(CONFIG_USER_ONLY) 3678 GEN_PRIV; 3679 #else 3680 TCGv_i32 t; 3681 3682 CHK_HV; 3683 t = tcg_const_i32(PPC_PM_RVWINKLE); 3684 gen_helper_pminsn(cpu_env, t); 3685 tcg_temp_free_i32(t); 3686 /* Stop translation, as the CPU is supposed to sleep from now */ 3687 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next); 3688 #endif /* defined(CONFIG_USER_ONLY) */ 3689 } 3690 #endif /* #if defined(TARGET_PPC64) */ 3691 3692 static inline void gen_update_cfar(DisasContext *ctx, target_ulong nip) 3693 { 3694 #if defined(TARGET_PPC64) 3695 if (ctx->has_cfar) { 3696 tcg_gen_movi_tl(cpu_cfar, nip); 3697 } 3698 #endif 3699 } 3700 3701 static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest) 3702 { 3703 if (unlikely(ctx->singlestep_enabled)) { 3704 return false; 3705 } 3706 3707 #ifndef CONFIG_USER_ONLY 3708 return (ctx->base.tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK); 3709 #else 3710 return true; 3711 #endif 3712 } 3713 3714 static void gen_lookup_and_goto_ptr(DisasContext *ctx) 3715 { 3716 int sse = ctx->singlestep_enabled; 3717 if (unlikely(sse)) { 3718 if (sse & GDBSTUB_SINGLE_STEP) { 3719 gen_debug_exception(ctx); 3720 } else if (sse & (CPU_SINGLE_STEP | CPU_BRANCH_STEP)) { 3721 uint32_t excp = gen_prep_dbgex(ctx); 3722 gen_exception(ctx, excp); 3723 } 3724 tcg_gen_exit_tb(NULL, 0); 3725 } else { 3726 tcg_gen_lookup_and_goto_ptr(); 3727 } 3728 } 3729 3730 /*** Branch ***/ 3731 static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) 3732 { 3733 if (NARROW_MODE(ctx)) { 3734 dest = (uint32_t) dest; 3735 } 3736 if (use_goto_tb(ctx, dest)) { 3737 tcg_gen_goto_tb(n); 3738 tcg_gen_movi_tl(cpu_nip, dest & ~3); 3739 tcg_gen_exit_tb(ctx->base.tb, n); 3740 } else { 3741 tcg_gen_movi_tl(cpu_nip, dest & ~3); 3742 gen_lookup_and_goto_ptr(ctx); 3743 } 3744 } 3745 3746 static inline void gen_setlr(DisasContext *ctx, target_ulong nip) 3747 { 3748 if (NARROW_MODE(ctx)) { 3749 nip = (uint32_t)nip; 3750 } 3751 tcg_gen_movi_tl(cpu_lr, nip); 3752 } 3753 3754 /* b ba bl bla */ 3755 static void gen_b(DisasContext *ctx) 3756 { 3757 target_ulong li, target; 3758 3759 ctx->exception = POWERPC_EXCP_BRANCH; 3760 /* sign extend LI */ 3761 li = LI(ctx->opcode); 3762 li = (li ^ 0x02000000) - 0x02000000; 3763 if (likely(AA(ctx->opcode) == 0)) { 3764 target = ctx->base.pc_next + li - 4; 3765 } else { 3766 target = li; 3767 } 3768 if (LK(ctx->opcode)) { 3769 gen_setlr(ctx, ctx->base.pc_next); 3770 } 3771 gen_update_cfar(ctx, ctx->base.pc_next - 4); 3772 gen_goto_tb(ctx, 0, target); 3773 } 3774 3775 #define BCOND_IM 0 3776 #define BCOND_LR 1 3777 #define BCOND_CTR 2 3778 #define BCOND_TAR 3 3779 3780 static void gen_bcond(DisasContext *ctx, int type) 3781 { 3782 uint32_t bo = BO(ctx->opcode); 3783 TCGLabel *l1; 3784 TCGv target; 3785 ctx->exception = POWERPC_EXCP_BRANCH; 3786 3787 if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) { 3788 target = tcg_temp_local_new(); 3789 if (type == BCOND_CTR) { 3790 tcg_gen_mov_tl(target, cpu_ctr); 3791 } else if (type == BCOND_TAR) { 3792 gen_load_spr(target, SPR_TAR); 3793 } else { 3794 tcg_gen_mov_tl(target, cpu_lr); 3795 } 3796 } else { 3797 target = NULL; 3798 } 3799 if (LK(ctx->opcode)) { 3800 gen_setlr(ctx, ctx->base.pc_next); 3801 } 3802 l1 = gen_new_label(); 3803 if ((bo & 0x4) == 0) { 3804 /* Decrement and test CTR */ 3805 TCGv temp = tcg_temp_new(); 3806 3807 if (type == BCOND_CTR) { 3808 /* 3809 * All ISAs up to v3 describe this form of bcctr as invalid but 3810 * some processors, ie. 64-bit server processors compliant with 3811 * arch 2.x, do implement a "test and decrement" logic instead, 3812 * as described in their respective UMs. This logic involves CTR 3813 * to act as both the branch target and a counter, which makes 3814 * it basically useless and thus never used in real code. 3815 * 3816 * This form was hence chosen to trigger extra micro-architectural 3817 * side-effect on real HW needed for the Spectre v2 workaround. 3818 * It is up to guests that implement such workaround, ie. linux, to 3819 * use this form in a way it just triggers the side-effect without 3820 * doing anything else harmful. 3821 */ 3822 if (unlikely(!is_book3s_arch2x(ctx))) { 3823 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 3824 tcg_temp_free(temp); 3825 tcg_temp_free(target); 3826 return; 3827 } 3828 3829 if (NARROW_MODE(ctx)) { 3830 tcg_gen_ext32u_tl(temp, cpu_ctr); 3831 } else { 3832 tcg_gen_mov_tl(temp, cpu_ctr); 3833 } 3834 if (bo & 0x2) { 3835 tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1); 3836 } else { 3837 tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1); 3838 } 3839 tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1); 3840 } else { 3841 tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1); 3842 if (NARROW_MODE(ctx)) { 3843 tcg_gen_ext32u_tl(temp, cpu_ctr); 3844 } else { 3845 tcg_gen_mov_tl(temp, cpu_ctr); 3846 } 3847 if (bo & 0x2) { 3848 tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1); 3849 } else { 3850 tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1); 3851 } 3852 } 3853 tcg_temp_free(temp); 3854 } 3855 if ((bo & 0x10) == 0) { 3856 /* Test CR */ 3857 uint32_t bi = BI(ctx->opcode); 3858 uint32_t mask = 0x08 >> (bi & 0x03); 3859 TCGv_i32 temp = tcg_temp_new_i32(); 3860 3861 if (bo & 0x8) { 3862 tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask); 3863 tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1); 3864 } else { 3865 tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask); 3866 tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1); 3867 } 3868 tcg_temp_free_i32(temp); 3869 } 3870 gen_update_cfar(ctx, ctx->base.pc_next - 4); 3871 if (type == BCOND_IM) { 3872 target_ulong li = (target_long)((int16_t)(BD(ctx->opcode))); 3873 if (likely(AA(ctx->opcode) == 0)) { 3874 gen_goto_tb(ctx, 0, ctx->base.pc_next + li - 4); 3875 } else { 3876 gen_goto_tb(ctx, 0, li); 3877 } 3878 } else { 3879 if (NARROW_MODE(ctx)) { 3880 tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3); 3881 } else { 3882 tcg_gen_andi_tl(cpu_nip, target, ~3); 3883 } 3884 gen_lookup_and_goto_ptr(ctx); 3885 tcg_temp_free(target); 3886 } 3887 if ((bo & 0x14) != 0x14) { 3888 /* fallthrough case */ 3889 gen_set_label(l1); 3890 gen_goto_tb(ctx, 1, ctx->base.pc_next); 3891 } 3892 } 3893 3894 static void gen_bc(DisasContext *ctx) 3895 { 3896 gen_bcond(ctx, BCOND_IM); 3897 } 3898 3899 static void gen_bcctr(DisasContext *ctx) 3900 { 3901 gen_bcond(ctx, BCOND_CTR); 3902 } 3903 3904 static void gen_bclr(DisasContext *ctx) 3905 { 3906 gen_bcond(ctx, BCOND_LR); 3907 } 3908 3909 static void gen_bctar(DisasContext *ctx) 3910 { 3911 gen_bcond(ctx, BCOND_TAR); 3912 } 3913 3914 /*** Condition register logical ***/ 3915 #define GEN_CRLOGIC(name, tcg_op, opc) \ 3916 static void glue(gen_, name)(DisasContext *ctx) \ 3917 { \ 3918 uint8_t bitmask; \ 3919 int sh; \ 3920 TCGv_i32 t0, t1; \ 3921 sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03); \ 3922 t0 = tcg_temp_new_i32(); \ 3923 if (sh > 0) \ 3924 tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh); \ 3925 else if (sh < 0) \ 3926 tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh); \ 3927 else \ 3928 tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]); \ 3929 t1 = tcg_temp_new_i32(); \ 3930 sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03); \ 3931 if (sh > 0) \ 3932 tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh); \ 3933 else if (sh < 0) \ 3934 tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh); \ 3935 else \ 3936 tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]); \ 3937 tcg_op(t0, t0, t1); \ 3938 bitmask = 0x08 >> (crbD(ctx->opcode) & 0x03); \ 3939 tcg_gen_andi_i32(t0, t0, bitmask); \ 3940 tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask); \ 3941 tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1); \ 3942 tcg_temp_free_i32(t0); \ 3943 tcg_temp_free_i32(t1); \ 3944 } 3945 3946 /* crand */ 3947 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08); 3948 /* crandc */ 3949 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04); 3950 /* creqv */ 3951 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09); 3952 /* crnand */ 3953 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07); 3954 /* crnor */ 3955 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01); 3956 /* cror */ 3957 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E); 3958 /* crorc */ 3959 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D); 3960 /* crxor */ 3961 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06); 3962 3963 /* mcrf */ 3964 static void gen_mcrf(DisasContext *ctx) 3965 { 3966 tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]); 3967 } 3968 3969 /*** System linkage ***/ 3970 3971 /* rfi (supervisor only) */ 3972 static void gen_rfi(DisasContext *ctx) 3973 { 3974 #if defined(CONFIG_USER_ONLY) 3975 GEN_PRIV; 3976 #else 3977 /* 3978 * This instruction doesn't exist anymore on 64-bit server 3979 * processors compliant with arch 2.x 3980 */ 3981 if (is_book3s_arch2x(ctx)) { 3982 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 3983 return; 3984 } 3985 /* Restore CPU state */ 3986 CHK_SV; 3987 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { 3988 gen_io_start(); 3989 } 3990 gen_update_cfar(ctx, ctx->base.pc_next - 4); 3991 gen_helper_rfi(cpu_env); 3992 gen_sync_exception(ctx); 3993 #endif 3994 } 3995 3996 #if defined(TARGET_PPC64) 3997 static void gen_rfid(DisasContext *ctx) 3998 { 3999 #if defined(CONFIG_USER_ONLY) 4000 GEN_PRIV; 4001 #else 4002 /* Restore CPU state */ 4003 CHK_SV; 4004 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { 4005 gen_io_start(); 4006 } 4007 gen_update_cfar(ctx, ctx->base.pc_next - 4); 4008 gen_helper_rfid(cpu_env); 4009 gen_sync_exception(ctx); 4010 #endif 4011 } 4012 4013 static void gen_hrfid(DisasContext *ctx) 4014 { 4015 #if defined(CONFIG_USER_ONLY) 4016 GEN_PRIV; 4017 #else 4018 /* Restore CPU state */ 4019 CHK_HV; 4020 gen_helper_hrfid(cpu_env); 4021 gen_sync_exception(ctx); 4022 #endif 4023 } 4024 #endif 4025 4026 /* sc */ 4027 #if defined(CONFIG_USER_ONLY) 4028 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER 4029 #else 4030 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL 4031 #endif 4032 static void gen_sc(DisasContext *ctx) 4033 { 4034 uint32_t lev; 4035 4036 lev = (ctx->opcode >> 5) & 0x7F; 4037 gen_exception_err(ctx, POWERPC_SYSCALL, lev); 4038 } 4039 4040 /*** Trap ***/ 4041 4042 /* Check for unconditional traps (always or never) */ 4043 static bool check_unconditional_trap(DisasContext *ctx) 4044 { 4045 /* Trap never */ 4046 if (TO(ctx->opcode) == 0) { 4047 return true; 4048 } 4049 /* Trap always */ 4050 if (TO(ctx->opcode) == 31) { 4051 gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP); 4052 return true; 4053 } 4054 return false; 4055 } 4056 4057 /* tw */ 4058 static void gen_tw(DisasContext *ctx) 4059 { 4060 TCGv_i32 t0; 4061 4062 if (check_unconditional_trap(ctx)) { 4063 return; 4064 } 4065 t0 = tcg_const_i32(TO(ctx->opcode)); 4066 gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 4067 t0); 4068 tcg_temp_free_i32(t0); 4069 } 4070 4071 /* twi */ 4072 static void gen_twi(DisasContext *ctx) 4073 { 4074 TCGv t0; 4075 TCGv_i32 t1; 4076 4077 if (check_unconditional_trap(ctx)) { 4078 return; 4079 } 4080 t0 = tcg_const_tl(SIMM(ctx->opcode)); 4081 t1 = tcg_const_i32(TO(ctx->opcode)); 4082 gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1); 4083 tcg_temp_free(t0); 4084 tcg_temp_free_i32(t1); 4085 } 4086 4087 #if defined(TARGET_PPC64) 4088 /* td */ 4089 static void gen_td(DisasContext *ctx) 4090 { 4091 TCGv_i32 t0; 4092 4093 if (check_unconditional_trap(ctx)) { 4094 return; 4095 } 4096 t0 = tcg_const_i32(TO(ctx->opcode)); 4097 gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 4098 t0); 4099 tcg_temp_free_i32(t0); 4100 } 4101 4102 /* tdi */ 4103 static void gen_tdi(DisasContext *ctx) 4104 { 4105 TCGv t0; 4106 TCGv_i32 t1; 4107 4108 if (check_unconditional_trap(ctx)) { 4109 return; 4110 } 4111 t0 = tcg_const_tl(SIMM(ctx->opcode)); 4112 t1 = tcg_const_i32(TO(ctx->opcode)); 4113 gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1); 4114 tcg_temp_free(t0); 4115 tcg_temp_free_i32(t1); 4116 } 4117 #endif 4118 4119 /*** Processor control ***/ 4120 4121 static void gen_read_xer(DisasContext *ctx, TCGv dst) 4122 { 4123 TCGv t0 = tcg_temp_new(); 4124 TCGv t1 = tcg_temp_new(); 4125 TCGv t2 = tcg_temp_new(); 4126 tcg_gen_mov_tl(dst, cpu_xer); 4127 tcg_gen_shli_tl(t0, cpu_so, XER_SO); 4128 tcg_gen_shli_tl(t1, cpu_ov, XER_OV); 4129 tcg_gen_shli_tl(t2, cpu_ca, XER_CA); 4130 tcg_gen_or_tl(t0, t0, t1); 4131 tcg_gen_or_tl(dst, dst, t2); 4132 tcg_gen_or_tl(dst, dst, t0); 4133 if (is_isa300(ctx)) { 4134 tcg_gen_shli_tl(t0, cpu_ov32, XER_OV32); 4135 tcg_gen_or_tl(dst, dst, t0); 4136 tcg_gen_shli_tl(t0, cpu_ca32, XER_CA32); 4137 tcg_gen_or_tl(dst, dst, t0); 4138 } 4139 tcg_temp_free(t0); 4140 tcg_temp_free(t1); 4141 tcg_temp_free(t2); 4142 } 4143 4144 static void gen_write_xer(TCGv src) 4145 { 4146 /* Write all flags, while reading back check for isa300 */ 4147 tcg_gen_andi_tl(cpu_xer, src, 4148 ~((1u << XER_SO) | 4149 (1u << XER_OV) | (1u << XER_OV32) | 4150 (1u << XER_CA) | (1u << XER_CA32))); 4151 tcg_gen_extract_tl(cpu_ov32, src, XER_OV32, 1); 4152 tcg_gen_extract_tl(cpu_ca32, src, XER_CA32, 1); 4153 tcg_gen_extract_tl(cpu_so, src, XER_SO, 1); 4154 tcg_gen_extract_tl(cpu_ov, src, XER_OV, 1); 4155 tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1); 4156 } 4157 4158 /* mcrxr */ 4159 static void gen_mcrxr(DisasContext *ctx) 4160 { 4161 TCGv_i32 t0 = tcg_temp_new_i32(); 4162 TCGv_i32 t1 = tcg_temp_new_i32(); 4163 TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)]; 4164 4165 tcg_gen_trunc_tl_i32(t0, cpu_so); 4166 tcg_gen_trunc_tl_i32(t1, cpu_ov); 4167 tcg_gen_trunc_tl_i32(dst, cpu_ca); 4168 tcg_gen_shli_i32(t0, t0, 3); 4169 tcg_gen_shli_i32(t1, t1, 2); 4170 tcg_gen_shli_i32(dst, dst, 1); 4171 tcg_gen_or_i32(dst, dst, t0); 4172 tcg_gen_or_i32(dst, dst, t1); 4173 tcg_temp_free_i32(t0); 4174 tcg_temp_free_i32(t1); 4175 4176 tcg_gen_movi_tl(cpu_so, 0); 4177 tcg_gen_movi_tl(cpu_ov, 0); 4178 tcg_gen_movi_tl(cpu_ca, 0); 4179 } 4180 4181 #ifdef TARGET_PPC64 4182 /* mcrxrx */ 4183 static void gen_mcrxrx(DisasContext *ctx) 4184 { 4185 TCGv t0 = tcg_temp_new(); 4186 TCGv t1 = tcg_temp_new(); 4187 TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)]; 4188 4189 /* copy OV and OV32 */ 4190 tcg_gen_shli_tl(t0, cpu_ov, 1); 4191 tcg_gen_or_tl(t0, t0, cpu_ov32); 4192 tcg_gen_shli_tl(t0, t0, 2); 4193 /* copy CA and CA32 */ 4194 tcg_gen_shli_tl(t1, cpu_ca, 1); 4195 tcg_gen_or_tl(t1, t1, cpu_ca32); 4196 tcg_gen_or_tl(t0, t0, t1); 4197 tcg_gen_trunc_tl_i32(dst, t0); 4198 tcg_temp_free(t0); 4199 tcg_temp_free(t1); 4200 } 4201 #endif 4202 4203 /* mfcr mfocrf */ 4204 static void gen_mfcr(DisasContext *ctx) 4205 { 4206 uint32_t crm, crn; 4207 4208 if (likely(ctx->opcode & 0x00100000)) { 4209 crm = CRM(ctx->opcode); 4210 if (likely(crm && ((crm & (crm - 1)) == 0))) { 4211 crn = ctz32(crm); 4212 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]); 4213 tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], 4214 cpu_gpr[rD(ctx->opcode)], crn * 4); 4215 } 4216 } else { 4217 TCGv_i32 t0 = tcg_temp_new_i32(); 4218 tcg_gen_mov_i32(t0, cpu_crf[0]); 4219 tcg_gen_shli_i32(t0, t0, 4); 4220 tcg_gen_or_i32(t0, t0, cpu_crf[1]); 4221 tcg_gen_shli_i32(t0, t0, 4); 4222 tcg_gen_or_i32(t0, t0, cpu_crf[2]); 4223 tcg_gen_shli_i32(t0, t0, 4); 4224 tcg_gen_or_i32(t0, t0, cpu_crf[3]); 4225 tcg_gen_shli_i32(t0, t0, 4); 4226 tcg_gen_or_i32(t0, t0, cpu_crf[4]); 4227 tcg_gen_shli_i32(t0, t0, 4); 4228 tcg_gen_or_i32(t0, t0, cpu_crf[5]); 4229 tcg_gen_shli_i32(t0, t0, 4); 4230 tcg_gen_or_i32(t0, t0, cpu_crf[6]); 4231 tcg_gen_shli_i32(t0, t0, 4); 4232 tcg_gen_or_i32(t0, t0, cpu_crf[7]); 4233 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0); 4234 tcg_temp_free_i32(t0); 4235 } 4236 } 4237 4238 /* mfmsr */ 4239 static void gen_mfmsr(DisasContext *ctx) 4240 { 4241 CHK_SV; 4242 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr); 4243 } 4244 4245 static void spr_noaccess(DisasContext *ctx, int gprn, int sprn) 4246 { 4247 #if 0 4248 sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5); 4249 printf("ERROR: try to access SPR %d !\n", sprn); 4250 #endif 4251 } 4252 #define SPR_NOACCESS (&spr_noaccess) 4253 4254 /* mfspr */ 4255 static inline void gen_op_mfspr(DisasContext *ctx) 4256 { 4257 void (*read_cb)(DisasContext *ctx, int gprn, int sprn); 4258 uint32_t sprn = SPR(ctx->opcode); 4259 4260 #if defined(CONFIG_USER_ONLY) 4261 read_cb = ctx->spr_cb[sprn].uea_read; 4262 #else 4263 if (ctx->pr) { 4264 read_cb = ctx->spr_cb[sprn].uea_read; 4265 } else if (ctx->hv) { 4266 read_cb = ctx->spr_cb[sprn].hea_read; 4267 } else { 4268 read_cb = ctx->spr_cb[sprn].oea_read; 4269 } 4270 #endif 4271 if (likely(read_cb != NULL)) { 4272 if (likely(read_cb != SPR_NOACCESS)) { 4273 (*read_cb)(ctx, rD(ctx->opcode), sprn); 4274 } else { 4275 /* Privilege exception */ 4276 /* 4277 * This is a hack to avoid warnings when running Linux: 4278 * this OS breaks the PowerPC virtualisation model, 4279 * allowing userland application to read the PVR 4280 */ 4281 if (sprn != SPR_PVR) { 4282 qemu_log_mask(LOG_GUEST_ERROR, "Trying to read privileged spr " 4283 "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn, 4284 ctx->base.pc_next - 4); 4285 } 4286 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG); 4287 } 4288 } else { 4289 /* ISA 2.07 defines these as no-ops */ 4290 if ((ctx->insns_flags2 & PPC2_ISA207S) && 4291 (sprn >= 808 && sprn <= 811)) { 4292 /* This is a nop */ 4293 return; 4294 } 4295 /* Not defined */ 4296 qemu_log_mask(LOG_GUEST_ERROR, 4297 "Trying to read invalid spr %d (0x%03x) at " 4298 TARGET_FMT_lx "\n", sprn, sprn, ctx->base.pc_next - 4); 4299 4300 /* 4301 * The behaviour depends on MSR:PR and SPR# bit 0x10, it can 4302 * generate a priv, a hv emu or a no-op 4303 */ 4304 if (sprn & 0x10) { 4305 if (ctx->pr) { 4306 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR); 4307 } 4308 } else { 4309 if (ctx->pr || sprn == 0 || sprn == 4 || sprn == 5 || sprn == 6) { 4310 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR); 4311 } 4312 } 4313 } 4314 } 4315 4316 static void gen_mfspr(DisasContext *ctx) 4317 { 4318 gen_op_mfspr(ctx); 4319 } 4320 4321 /* mftb */ 4322 static void gen_mftb(DisasContext *ctx) 4323 { 4324 gen_op_mfspr(ctx); 4325 } 4326 4327 /* mtcrf mtocrf*/ 4328 static void gen_mtcrf(DisasContext *ctx) 4329 { 4330 uint32_t crm, crn; 4331 4332 crm = CRM(ctx->opcode); 4333 if (likely((ctx->opcode & 0x00100000))) { 4334 if (crm && ((crm & (crm - 1)) == 0)) { 4335 TCGv_i32 temp = tcg_temp_new_i32(); 4336 crn = ctz32(crm); 4337 tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]); 4338 tcg_gen_shri_i32(temp, temp, crn * 4); 4339 tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf); 4340 tcg_temp_free_i32(temp); 4341 } 4342 } else { 4343 TCGv_i32 temp = tcg_temp_new_i32(); 4344 tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]); 4345 for (crn = 0 ; crn < 8 ; crn++) { 4346 if (crm & (1 << crn)) { 4347 tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4); 4348 tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf); 4349 } 4350 } 4351 tcg_temp_free_i32(temp); 4352 } 4353 } 4354 4355 /* mtmsr */ 4356 #if defined(TARGET_PPC64) 4357 static void gen_mtmsrd(DisasContext *ctx) 4358 { 4359 CHK_SV; 4360 4361 #if !defined(CONFIG_USER_ONLY) 4362 if (ctx->opcode & 0x00010000) { 4363 /* Special form that does not need any synchronisation */ 4364 TCGv t0 = tcg_temp_new(); 4365 tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], 4366 (1 << MSR_RI) | (1 << MSR_EE)); 4367 tcg_gen_andi_tl(cpu_msr, cpu_msr, 4368 ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE))); 4369 tcg_gen_or_tl(cpu_msr, cpu_msr, t0); 4370 tcg_temp_free(t0); 4371 } else { 4372 /* 4373 * XXX: we need to update nip before the store if we enter 4374 * power saving mode, we will exit the loop directly from 4375 * ppc_store_msr 4376 */ 4377 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { 4378 gen_io_start(); 4379 } 4380 gen_update_nip(ctx, ctx->base.pc_next); 4381 gen_helper_store_msr(cpu_env, cpu_gpr[rS(ctx->opcode)]); 4382 /* Must stop the translation as machine state (may have) changed */ 4383 /* Note that mtmsr is not always defined as context-synchronizing */ 4384 gen_stop_exception(ctx); 4385 } 4386 #endif /* !defined(CONFIG_USER_ONLY) */ 4387 } 4388 #endif /* defined(TARGET_PPC64) */ 4389 4390 static void gen_mtmsr(DisasContext *ctx) 4391 { 4392 CHK_SV; 4393 4394 #if !defined(CONFIG_USER_ONLY) 4395 if (ctx->opcode & 0x00010000) { 4396 /* Special form that does not need any synchronisation */ 4397 TCGv t0 = tcg_temp_new(); 4398 tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], 4399 (1 << MSR_RI) | (1 << MSR_EE)); 4400 tcg_gen_andi_tl(cpu_msr, cpu_msr, 4401 ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE))); 4402 tcg_gen_or_tl(cpu_msr, cpu_msr, t0); 4403 tcg_temp_free(t0); 4404 } else { 4405 TCGv msr = tcg_temp_new(); 4406 4407 /* 4408 * XXX: we need to update nip before the store if we enter 4409 * power saving mode, we will exit the loop directly from 4410 * ppc_store_msr 4411 */ 4412 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { 4413 gen_io_start(); 4414 } 4415 gen_update_nip(ctx, ctx->base.pc_next); 4416 #if defined(TARGET_PPC64) 4417 tcg_gen_deposit_tl(msr, cpu_msr, cpu_gpr[rS(ctx->opcode)], 0, 32); 4418 #else 4419 tcg_gen_mov_tl(msr, cpu_gpr[rS(ctx->opcode)]); 4420 #endif 4421 gen_helper_store_msr(cpu_env, msr); 4422 tcg_temp_free(msr); 4423 /* Must stop the translation as machine state (may have) changed */ 4424 /* Note that mtmsr is not always defined as context-synchronizing */ 4425 gen_stop_exception(ctx); 4426 } 4427 #endif 4428 } 4429 4430 /* mtspr */ 4431 static void gen_mtspr(DisasContext *ctx) 4432 { 4433 void (*write_cb)(DisasContext *ctx, int sprn, int gprn); 4434 uint32_t sprn = SPR(ctx->opcode); 4435 4436 #if defined(CONFIG_USER_ONLY) 4437 write_cb = ctx->spr_cb[sprn].uea_write; 4438 #else 4439 if (ctx->pr) { 4440 write_cb = ctx->spr_cb[sprn].uea_write; 4441 } else if (ctx->hv) { 4442 write_cb = ctx->spr_cb[sprn].hea_write; 4443 } else { 4444 write_cb = ctx->spr_cb[sprn].oea_write; 4445 } 4446 #endif 4447 if (likely(write_cb != NULL)) { 4448 if (likely(write_cb != SPR_NOACCESS)) { 4449 (*write_cb)(ctx, sprn, rS(ctx->opcode)); 4450 } else { 4451 /* Privilege exception */ 4452 qemu_log_mask(LOG_GUEST_ERROR, "Trying to write privileged spr " 4453 "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn, 4454 ctx->base.pc_next - 4); 4455 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG); 4456 } 4457 } else { 4458 /* ISA 2.07 defines these as no-ops */ 4459 if ((ctx->insns_flags2 & PPC2_ISA207S) && 4460 (sprn >= 808 && sprn <= 811)) { 4461 /* This is a nop */ 4462 return; 4463 } 4464 4465 /* Not defined */ 4466 qemu_log_mask(LOG_GUEST_ERROR, 4467 "Trying to write invalid spr %d (0x%03x) at " 4468 TARGET_FMT_lx "\n", sprn, sprn, ctx->base.pc_next - 4); 4469 4470 4471 /* 4472 * The behaviour depends on MSR:PR and SPR# bit 0x10, it can 4473 * generate a priv, a hv emu or a no-op 4474 */ 4475 if (sprn & 0x10) { 4476 if (ctx->pr) { 4477 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR); 4478 } 4479 } else { 4480 if (ctx->pr || sprn == 0) { 4481 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR); 4482 } 4483 } 4484 } 4485 } 4486 4487 #if defined(TARGET_PPC64) 4488 /* setb */ 4489 static void gen_setb(DisasContext *ctx) 4490 { 4491 TCGv_i32 t0 = tcg_temp_new_i32(); 4492 TCGv_i32 t8 = tcg_temp_new_i32(); 4493 TCGv_i32 tm1 = tcg_temp_new_i32(); 4494 int crf = crfS(ctx->opcode); 4495 4496 tcg_gen_setcondi_i32(TCG_COND_GEU, t0, cpu_crf[crf], 4); 4497 tcg_gen_movi_i32(t8, 8); 4498 tcg_gen_movi_i32(tm1, -1); 4499 tcg_gen_movcond_i32(TCG_COND_GEU, t0, cpu_crf[crf], t8, tm1, t0); 4500 tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0); 4501 4502 tcg_temp_free_i32(t0); 4503 tcg_temp_free_i32(t8); 4504 tcg_temp_free_i32(tm1); 4505 } 4506 #endif 4507 4508 /*** Cache management ***/ 4509 4510 /* dcbf */ 4511 static void gen_dcbf(DisasContext *ctx) 4512 { 4513 /* XXX: specification says this is treated as a load by the MMU */ 4514 TCGv t0; 4515 gen_set_access_type(ctx, ACCESS_CACHE); 4516 t0 = tcg_temp_new(); 4517 gen_addr_reg_index(ctx, t0); 4518 gen_qemu_ld8u(ctx, t0, t0); 4519 tcg_temp_free(t0); 4520 } 4521 4522 /* dcbfep (external PID dcbf) */ 4523 static void gen_dcbfep(DisasContext *ctx) 4524 { 4525 /* XXX: specification says this is treated as a load by the MMU */ 4526 TCGv t0; 4527 CHK_SV; 4528 gen_set_access_type(ctx, ACCESS_CACHE); 4529 t0 = tcg_temp_new(); 4530 gen_addr_reg_index(ctx, t0); 4531 tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB)); 4532 tcg_temp_free(t0); 4533 } 4534 4535 /* dcbi (Supervisor only) */ 4536 static void gen_dcbi(DisasContext *ctx) 4537 { 4538 #if defined(CONFIG_USER_ONLY) 4539 GEN_PRIV; 4540 #else 4541 TCGv EA, val; 4542 4543 CHK_SV; 4544 EA = tcg_temp_new(); 4545 gen_set_access_type(ctx, ACCESS_CACHE); 4546 gen_addr_reg_index(ctx, EA); 4547 val = tcg_temp_new(); 4548 /* XXX: specification says this should be treated as a store by the MMU */ 4549 gen_qemu_ld8u(ctx, val, EA); 4550 gen_qemu_st8(ctx, val, EA); 4551 tcg_temp_free(val); 4552 tcg_temp_free(EA); 4553 #endif /* defined(CONFIG_USER_ONLY) */ 4554 } 4555 4556 /* dcdst */ 4557 static void gen_dcbst(DisasContext *ctx) 4558 { 4559 /* XXX: specification say this is treated as a load by the MMU */ 4560 TCGv t0; 4561 gen_set_access_type(ctx, ACCESS_CACHE); 4562 t0 = tcg_temp_new(); 4563 gen_addr_reg_index(ctx, t0); 4564 gen_qemu_ld8u(ctx, t0, t0); 4565 tcg_temp_free(t0); 4566 } 4567 4568 /* dcbstep (dcbstep External PID version) */ 4569 static void gen_dcbstep(DisasContext *ctx) 4570 { 4571 /* XXX: specification say this is treated as a load by the MMU */ 4572 TCGv t0; 4573 gen_set_access_type(ctx, ACCESS_CACHE); 4574 t0 = tcg_temp_new(); 4575 gen_addr_reg_index(ctx, t0); 4576 tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB)); 4577 tcg_temp_free(t0); 4578 } 4579 4580 /* dcbt */ 4581 static void gen_dcbt(DisasContext *ctx) 4582 { 4583 /* 4584 * interpreted as no-op 4585 * XXX: specification say this is treated as a load by the MMU but 4586 * does not generate any exception 4587 */ 4588 } 4589 4590 /* dcbtep */ 4591 static void gen_dcbtep(DisasContext *ctx) 4592 { 4593 /* 4594 * interpreted as no-op 4595 * XXX: specification say this is treated as a load by the MMU but 4596 * does not generate any exception 4597 */ 4598 } 4599 4600 /* dcbtst */ 4601 static void gen_dcbtst(DisasContext *ctx) 4602 { 4603 /* 4604 * interpreted as no-op 4605 * XXX: specification say this is treated as a load by the MMU but 4606 * does not generate any exception 4607 */ 4608 } 4609 4610 /* dcbtstep */ 4611 static void gen_dcbtstep(DisasContext *ctx) 4612 { 4613 /* 4614 * interpreted as no-op 4615 * XXX: specification say this is treated as a load by the MMU but 4616 * does not generate any exception 4617 */ 4618 } 4619 4620 /* dcbtls */ 4621 static void gen_dcbtls(DisasContext *ctx) 4622 { 4623 /* Always fails locking the cache */ 4624 TCGv t0 = tcg_temp_new(); 4625 gen_load_spr(t0, SPR_Exxx_L1CSR0); 4626 tcg_gen_ori_tl(t0, t0, L1CSR0_CUL); 4627 gen_store_spr(SPR_Exxx_L1CSR0, t0); 4628 tcg_temp_free(t0); 4629 } 4630 4631 /* dcbz */ 4632 static void gen_dcbz(DisasContext *ctx) 4633 { 4634 TCGv tcgv_addr; 4635 TCGv_i32 tcgv_op; 4636 4637 gen_set_access_type(ctx, ACCESS_CACHE); 4638 tcgv_addr = tcg_temp_new(); 4639 tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000); 4640 gen_addr_reg_index(ctx, tcgv_addr); 4641 gen_helper_dcbz(cpu_env, tcgv_addr, tcgv_op); 4642 tcg_temp_free(tcgv_addr); 4643 tcg_temp_free_i32(tcgv_op); 4644 } 4645 4646 /* dcbzep */ 4647 static void gen_dcbzep(DisasContext *ctx) 4648 { 4649 TCGv tcgv_addr; 4650 TCGv_i32 tcgv_op; 4651 4652 gen_set_access_type(ctx, ACCESS_CACHE); 4653 tcgv_addr = tcg_temp_new(); 4654 tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000); 4655 gen_addr_reg_index(ctx, tcgv_addr); 4656 gen_helper_dcbzep(cpu_env, tcgv_addr, tcgv_op); 4657 tcg_temp_free(tcgv_addr); 4658 tcg_temp_free_i32(tcgv_op); 4659 } 4660 4661 /* dst / dstt */ 4662 static void gen_dst(DisasContext *ctx) 4663 { 4664 if (rA(ctx->opcode) == 0) { 4665 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 4666 } else { 4667 /* interpreted as no-op */ 4668 } 4669 } 4670 4671 /* dstst /dststt */ 4672 static void gen_dstst(DisasContext *ctx) 4673 { 4674 if (rA(ctx->opcode) == 0) { 4675 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 4676 } else { 4677 /* interpreted as no-op */ 4678 } 4679 4680 } 4681 4682 /* dss / dssall */ 4683 static void gen_dss(DisasContext *ctx) 4684 { 4685 /* interpreted as no-op */ 4686 } 4687 4688 /* icbi */ 4689 static void gen_icbi(DisasContext *ctx) 4690 { 4691 TCGv t0; 4692 gen_set_access_type(ctx, ACCESS_CACHE); 4693 t0 = tcg_temp_new(); 4694 gen_addr_reg_index(ctx, t0); 4695 gen_helper_icbi(cpu_env, t0); 4696 tcg_temp_free(t0); 4697 } 4698 4699 /* icbiep */ 4700 static void gen_icbiep(DisasContext *ctx) 4701 { 4702 TCGv t0; 4703 gen_set_access_type(ctx, ACCESS_CACHE); 4704 t0 = tcg_temp_new(); 4705 gen_addr_reg_index(ctx, t0); 4706 gen_helper_icbiep(cpu_env, t0); 4707 tcg_temp_free(t0); 4708 } 4709 4710 /* Optional: */ 4711 /* dcba */ 4712 static void gen_dcba(DisasContext *ctx) 4713 { 4714 /* 4715 * interpreted as no-op 4716 * XXX: specification say this is treated as a store by the MMU 4717 * but does not generate any exception 4718 */ 4719 } 4720 4721 /*** Segment register manipulation ***/ 4722 /* Supervisor only: */ 4723 4724 /* mfsr */ 4725 static void gen_mfsr(DisasContext *ctx) 4726 { 4727 #if defined(CONFIG_USER_ONLY) 4728 GEN_PRIV; 4729 #else 4730 TCGv t0; 4731 4732 CHK_SV; 4733 t0 = tcg_const_tl(SR(ctx->opcode)); 4734 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 4735 tcg_temp_free(t0); 4736 #endif /* defined(CONFIG_USER_ONLY) */ 4737 } 4738 4739 /* mfsrin */ 4740 static void gen_mfsrin(DisasContext *ctx) 4741 { 4742 #if defined(CONFIG_USER_ONLY) 4743 GEN_PRIV; 4744 #else 4745 TCGv t0; 4746 4747 CHK_SV; 4748 t0 = tcg_temp_new(); 4749 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4); 4750 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 4751 tcg_temp_free(t0); 4752 #endif /* defined(CONFIG_USER_ONLY) */ 4753 } 4754 4755 /* mtsr */ 4756 static void gen_mtsr(DisasContext *ctx) 4757 { 4758 #if defined(CONFIG_USER_ONLY) 4759 GEN_PRIV; 4760 #else 4761 TCGv t0; 4762 4763 CHK_SV; 4764 t0 = tcg_const_tl(SR(ctx->opcode)); 4765 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]); 4766 tcg_temp_free(t0); 4767 #endif /* defined(CONFIG_USER_ONLY) */ 4768 } 4769 4770 /* mtsrin */ 4771 static void gen_mtsrin(DisasContext *ctx) 4772 { 4773 #if defined(CONFIG_USER_ONLY) 4774 GEN_PRIV; 4775 #else 4776 TCGv t0; 4777 CHK_SV; 4778 4779 t0 = tcg_temp_new(); 4780 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4); 4781 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rD(ctx->opcode)]); 4782 tcg_temp_free(t0); 4783 #endif /* defined(CONFIG_USER_ONLY) */ 4784 } 4785 4786 #if defined(TARGET_PPC64) 4787 /* Specific implementation for PowerPC 64 "bridge" emulation using SLB */ 4788 4789 /* mfsr */ 4790 static void gen_mfsr_64b(DisasContext *ctx) 4791 { 4792 #if defined(CONFIG_USER_ONLY) 4793 GEN_PRIV; 4794 #else 4795 TCGv t0; 4796 4797 CHK_SV; 4798 t0 = tcg_const_tl(SR(ctx->opcode)); 4799 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 4800 tcg_temp_free(t0); 4801 #endif /* defined(CONFIG_USER_ONLY) */ 4802 } 4803 4804 /* mfsrin */ 4805 static void gen_mfsrin_64b(DisasContext *ctx) 4806 { 4807 #if defined(CONFIG_USER_ONLY) 4808 GEN_PRIV; 4809 #else 4810 TCGv t0; 4811 4812 CHK_SV; 4813 t0 = tcg_temp_new(); 4814 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4); 4815 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 4816 tcg_temp_free(t0); 4817 #endif /* defined(CONFIG_USER_ONLY) */ 4818 } 4819 4820 /* mtsr */ 4821 static void gen_mtsr_64b(DisasContext *ctx) 4822 { 4823 #if defined(CONFIG_USER_ONLY) 4824 GEN_PRIV; 4825 #else 4826 TCGv t0; 4827 4828 CHK_SV; 4829 t0 = tcg_const_tl(SR(ctx->opcode)); 4830 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]); 4831 tcg_temp_free(t0); 4832 #endif /* defined(CONFIG_USER_ONLY) */ 4833 } 4834 4835 /* mtsrin */ 4836 static void gen_mtsrin_64b(DisasContext *ctx) 4837 { 4838 #if defined(CONFIG_USER_ONLY) 4839 GEN_PRIV; 4840 #else 4841 TCGv t0; 4842 4843 CHK_SV; 4844 t0 = tcg_temp_new(); 4845 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4); 4846 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]); 4847 tcg_temp_free(t0); 4848 #endif /* defined(CONFIG_USER_ONLY) */ 4849 } 4850 4851 /* slbmte */ 4852 static void gen_slbmte(DisasContext *ctx) 4853 { 4854 #if defined(CONFIG_USER_ONLY) 4855 GEN_PRIV; 4856 #else 4857 CHK_SV; 4858 4859 gen_helper_store_slb(cpu_env, cpu_gpr[rB(ctx->opcode)], 4860 cpu_gpr[rS(ctx->opcode)]); 4861 #endif /* defined(CONFIG_USER_ONLY) */ 4862 } 4863 4864 static void gen_slbmfee(DisasContext *ctx) 4865 { 4866 #if defined(CONFIG_USER_ONLY) 4867 GEN_PRIV; 4868 #else 4869 CHK_SV; 4870 4871 gen_helper_load_slb_esid(cpu_gpr[rS(ctx->opcode)], cpu_env, 4872 cpu_gpr[rB(ctx->opcode)]); 4873 #endif /* defined(CONFIG_USER_ONLY) */ 4874 } 4875 4876 static void gen_slbmfev(DisasContext *ctx) 4877 { 4878 #if defined(CONFIG_USER_ONLY) 4879 GEN_PRIV; 4880 #else 4881 CHK_SV; 4882 4883 gen_helper_load_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env, 4884 cpu_gpr[rB(ctx->opcode)]); 4885 #endif /* defined(CONFIG_USER_ONLY) */ 4886 } 4887 4888 static void gen_slbfee_(DisasContext *ctx) 4889 { 4890 #if defined(CONFIG_USER_ONLY) 4891 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); 4892 #else 4893 TCGLabel *l1, *l2; 4894 4895 if (unlikely(ctx->pr)) { 4896 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); 4897 return; 4898 } 4899 gen_helper_find_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env, 4900 cpu_gpr[rB(ctx->opcode)]); 4901 l1 = gen_new_label(); 4902 l2 = gen_new_label(); 4903 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 4904 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rS(ctx->opcode)], -1, l1); 4905 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ); 4906 tcg_gen_br(l2); 4907 gen_set_label(l1); 4908 tcg_gen_movi_tl(cpu_gpr[rS(ctx->opcode)], 0); 4909 gen_set_label(l2); 4910 #endif 4911 } 4912 #endif /* defined(TARGET_PPC64) */ 4913 4914 /*** Lookaside buffer management ***/ 4915 /* Optional & supervisor only: */ 4916 4917 /* tlbia */ 4918 static void gen_tlbia(DisasContext *ctx) 4919 { 4920 #if defined(CONFIG_USER_ONLY) 4921 GEN_PRIV; 4922 #else 4923 CHK_HV; 4924 4925 gen_helper_tlbia(cpu_env); 4926 #endif /* defined(CONFIG_USER_ONLY) */ 4927 } 4928 4929 /* tlbiel */ 4930 static void gen_tlbiel(DisasContext *ctx) 4931 { 4932 #if defined(CONFIG_USER_ONLY) 4933 GEN_PRIV; 4934 #else 4935 CHK_SV; 4936 4937 gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]); 4938 #endif /* defined(CONFIG_USER_ONLY) */ 4939 } 4940 4941 /* tlbie */ 4942 static void gen_tlbie(DisasContext *ctx) 4943 { 4944 #if defined(CONFIG_USER_ONLY) 4945 GEN_PRIV; 4946 #else 4947 TCGv_i32 t1; 4948 4949 if (ctx->gtse) { 4950 CHK_SV; /* If gtse is set then tlbie is supervisor privileged */ 4951 } else { 4952 CHK_HV; /* Else hypervisor privileged */ 4953 } 4954 4955 if (NARROW_MODE(ctx)) { 4956 TCGv t0 = tcg_temp_new(); 4957 tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]); 4958 gen_helper_tlbie(cpu_env, t0); 4959 tcg_temp_free(t0); 4960 } else { 4961 gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]); 4962 } 4963 t1 = tcg_temp_new_i32(); 4964 tcg_gen_ld_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush)); 4965 tcg_gen_ori_i32(t1, t1, TLB_NEED_GLOBAL_FLUSH); 4966 tcg_gen_st_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush)); 4967 tcg_temp_free_i32(t1); 4968 #endif /* defined(CONFIG_USER_ONLY) */ 4969 } 4970 4971 /* tlbsync */ 4972 static void gen_tlbsync(DisasContext *ctx) 4973 { 4974 #if defined(CONFIG_USER_ONLY) 4975 GEN_PRIV; 4976 #else 4977 4978 if (ctx->gtse) { 4979 CHK_SV; /* If gtse is set then tlbsync is supervisor privileged */ 4980 } else { 4981 CHK_HV; /* Else hypervisor privileged */ 4982 } 4983 4984 /* BookS does both ptesync and tlbsync make tlbsync a nop for server */ 4985 if (ctx->insns_flags & PPC_BOOKE) { 4986 gen_check_tlb_flush(ctx, true); 4987 } 4988 #endif /* defined(CONFIG_USER_ONLY) */ 4989 } 4990 4991 #if defined(TARGET_PPC64) 4992 /* slbia */ 4993 static void gen_slbia(DisasContext *ctx) 4994 { 4995 #if defined(CONFIG_USER_ONLY) 4996 GEN_PRIV; 4997 #else 4998 CHK_SV; 4999 5000 gen_helper_slbia(cpu_env); 5001 #endif /* defined(CONFIG_USER_ONLY) */ 5002 } 5003 5004 /* slbie */ 5005 static void gen_slbie(DisasContext *ctx) 5006 { 5007 #if defined(CONFIG_USER_ONLY) 5008 GEN_PRIV; 5009 #else 5010 CHK_SV; 5011 5012 gen_helper_slbie(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5013 #endif /* defined(CONFIG_USER_ONLY) */ 5014 } 5015 5016 /* slbieg */ 5017 static void gen_slbieg(DisasContext *ctx) 5018 { 5019 #if defined(CONFIG_USER_ONLY) 5020 GEN_PRIV; 5021 #else 5022 CHK_SV; 5023 5024 gen_helper_slbieg(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5025 #endif /* defined(CONFIG_USER_ONLY) */ 5026 } 5027 5028 /* slbsync */ 5029 static void gen_slbsync(DisasContext *ctx) 5030 { 5031 #if defined(CONFIG_USER_ONLY) 5032 GEN_PRIV; 5033 #else 5034 CHK_SV; 5035 gen_check_tlb_flush(ctx, true); 5036 #endif /* defined(CONFIG_USER_ONLY) */ 5037 } 5038 5039 #endif /* defined(TARGET_PPC64) */ 5040 5041 /*** External control ***/ 5042 /* Optional: */ 5043 5044 /* eciwx */ 5045 static void gen_eciwx(DisasContext *ctx) 5046 { 5047 TCGv t0; 5048 /* Should check EAR[E] ! */ 5049 gen_set_access_type(ctx, ACCESS_EXT); 5050 t0 = tcg_temp_new(); 5051 gen_addr_reg_index(ctx, t0); 5052 tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx, 5053 DEF_MEMOP(MO_UL | MO_ALIGN)); 5054 tcg_temp_free(t0); 5055 } 5056 5057 /* ecowx */ 5058 static void gen_ecowx(DisasContext *ctx) 5059 { 5060 TCGv t0; 5061 /* Should check EAR[E] ! */ 5062 gen_set_access_type(ctx, ACCESS_EXT); 5063 t0 = tcg_temp_new(); 5064 gen_addr_reg_index(ctx, t0); 5065 tcg_gen_qemu_st_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx, 5066 DEF_MEMOP(MO_UL | MO_ALIGN)); 5067 tcg_temp_free(t0); 5068 } 5069 5070 /* PowerPC 601 specific instructions */ 5071 5072 /* abs - abs. */ 5073 static void gen_abs(DisasContext *ctx) 5074 { 5075 TCGv d = cpu_gpr[rD(ctx->opcode)]; 5076 TCGv a = cpu_gpr[rA(ctx->opcode)]; 5077 5078 tcg_gen_abs_tl(d, a); 5079 if (unlikely(Rc(ctx->opcode) != 0)) { 5080 gen_set_Rc0(ctx, d); 5081 } 5082 } 5083 5084 /* abso - abso. */ 5085 static void gen_abso(DisasContext *ctx) 5086 { 5087 TCGv d = cpu_gpr[rD(ctx->opcode)]; 5088 TCGv a = cpu_gpr[rA(ctx->opcode)]; 5089 5090 tcg_gen_setcondi_tl(TCG_COND_EQ, cpu_ov, a, 0x80000000); 5091 tcg_gen_abs_tl(d, a); 5092 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); 5093 if (unlikely(Rc(ctx->opcode) != 0)) { 5094 gen_set_Rc0(ctx, d); 5095 } 5096 } 5097 5098 /* clcs */ 5099 static void gen_clcs(DisasContext *ctx) 5100 { 5101 TCGv_i32 t0 = tcg_const_i32(rA(ctx->opcode)); 5102 gen_helper_clcs(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 5103 tcg_temp_free_i32(t0); 5104 /* Rc=1 sets CR0 to an undefined state */ 5105 } 5106 5107 /* div - div. */ 5108 static void gen_div(DisasContext *ctx) 5109 { 5110 gen_helper_div(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)], 5111 cpu_gpr[rB(ctx->opcode)]); 5112 if (unlikely(Rc(ctx->opcode) != 0)) { 5113 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5114 } 5115 } 5116 5117 /* divo - divo. */ 5118 static void gen_divo(DisasContext *ctx) 5119 { 5120 gen_helper_divo(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)], 5121 cpu_gpr[rB(ctx->opcode)]); 5122 if (unlikely(Rc(ctx->opcode) != 0)) { 5123 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5124 } 5125 } 5126 5127 /* divs - divs. */ 5128 static void gen_divs(DisasContext *ctx) 5129 { 5130 gen_helper_divs(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)], 5131 cpu_gpr[rB(ctx->opcode)]); 5132 if (unlikely(Rc(ctx->opcode) != 0)) { 5133 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5134 } 5135 } 5136 5137 /* divso - divso. */ 5138 static void gen_divso(DisasContext *ctx) 5139 { 5140 gen_helper_divso(cpu_gpr[rD(ctx->opcode)], cpu_env, 5141 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 5142 if (unlikely(Rc(ctx->opcode) != 0)) { 5143 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5144 } 5145 } 5146 5147 /* doz - doz. */ 5148 static void gen_doz(DisasContext *ctx) 5149 { 5150 TCGLabel *l1 = gen_new_label(); 5151 TCGLabel *l2 = gen_new_label(); 5152 tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], 5153 cpu_gpr[rA(ctx->opcode)], l1); 5154 tcg_gen_sub_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 5155 cpu_gpr[rA(ctx->opcode)]); 5156 tcg_gen_br(l2); 5157 gen_set_label(l1); 5158 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0); 5159 gen_set_label(l2); 5160 if (unlikely(Rc(ctx->opcode) != 0)) { 5161 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5162 } 5163 } 5164 5165 /* dozo - dozo. */ 5166 static void gen_dozo(DisasContext *ctx) 5167 { 5168 TCGLabel *l1 = gen_new_label(); 5169 TCGLabel *l2 = gen_new_label(); 5170 TCGv t0 = tcg_temp_new(); 5171 TCGv t1 = tcg_temp_new(); 5172 TCGv t2 = tcg_temp_new(); 5173 /* Start with XER OV disabled, the most likely case */ 5174 tcg_gen_movi_tl(cpu_ov, 0); 5175 tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], 5176 cpu_gpr[rA(ctx->opcode)], l1); 5177 tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); 5178 tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); 5179 tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0); 5180 tcg_gen_andc_tl(t1, t1, t2); 5181 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0); 5182 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2); 5183 tcg_gen_movi_tl(cpu_ov, 1); 5184 tcg_gen_movi_tl(cpu_so, 1); 5185 tcg_gen_br(l2); 5186 gen_set_label(l1); 5187 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0); 5188 gen_set_label(l2); 5189 tcg_temp_free(t0); 5190 tcg_temp_free(t1); 5191 tcg_temp_free(t2); 5192 if (unlikely(Rc(ctx->opcode) != 0)) { 5193 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5194 } 5195 } 5196 5197 /* dozi */ 5198 static void gen_dozi(DisasContext *ctx) 5199 { 5200 target_long simm = SIMM(ctx->opcode); 5201 TCGLabel *l1 = gen_new_label(); 5202 TCGLabel *l2 = gen_new_label(); 5203 tcg_gen_brcondi_tl(TCG_COND_LT, cpu_gpr[rA(ctx->opcode)], simm, l1); 5204 tcg_gen_subfi_tl(cpu_gpr[rD(ctx->opcode)], simm, cpu_gpr[rA(ctx->opcode)]); 5205 tcg_gen_br(l2); 5206 gen_set_label(l1); 5207 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0); 5208 gen_set_label(l2); 5209 if (unlikely(Rc(ctx->opcode) != 0)) { 5210 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5211 } 5212 } 5213 5214 /* lscbx - lscbx. */ 5215 static void gen_lscbx(DisasContext *ctx) 5216 { 5217 TCGv t0 = tcg_temp_new(); 5218 TCGv_i32 t1 = tcg_const_i32(rD(ctx->opcode)); 5219 TCGv_i32 t2 = tcg_const_i32(rA(ctx->opcode)); 5220 TCGv_i32 t3 = tcg_const_i32(rB(ctx->opcode)); 5221 5222 gen_addr_reg_index(ctx, t0); 5223 gen_helper_lscbx(t0, cpu_env, t0, t1, t2, t3); 5224 tcg_temp_free_i32(t1); 5225 tcg_temp_free_i32(t2); 5226 tcg_temp_free_i32(t3); 5227 tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F); 5228 tcg_gen_or_tl(cpu_xer, cpu_xer, t0); 5229 if (unlikely(Rc(ctx->opcode) != 0)) { 5230 gen_set_Rc0(ctx, t0); 5231 } 5232 tcg_temp_free(t0); 5233 } 5234 5235 /* maskg - maskg. */ 5236 static void gen_maskg(DisasContext *ctx) 5237 { 5238 TCGLabel *l1 = gen_new_label(); 5239 TCGv t0 = tcg_temp_new(); 5240 TCGv t1 = tcg_temp_new(); 5241 TCGv t2 = tcg_temp_new(); 5242 TCGv t3 = tcg_temp_new(); 5243 tcg_gen_movi_tl(t3, 0xFFFFFFFF); 5244 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); 5245 tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F); 5246 tcg_gen_addi_tl(t2, t0, 1); 5247 tcg_gen_shr_tl(t2, t3, t2); 5248 tcg_gen_shr_tl(t3, t3, t1); 5249 tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3); 5250 tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1); 5251 tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); 5252 gen_set_label(l1); 5253 tcg_temp_free(t0); 5254 tcg_temp_free(t1); 5255 tcg_temp_free(t2); 5256 tcg_temp_free(t3); 5257 if (unlikely(Rc(ctx->opcode) != 0)) { 5258 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5259 } 5260 } 5261 5262 /* maskir - maskir. */ 5263 static void gen_maskir(DisasContext *ctx) 5264 { 5265 TCGv t0 = tcg_temp_new(); 5266 TCGv t1 = tcg_temp_new(); 5267 tcg_gen_and_tl(t0, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 5268 tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 5269 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 5270 tcg_temp_free(t0); 5271 tcg_temp_free(t1); 5272 if (unlikely(Rc(ctx->opcode) != 0)) { 5273 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5274 } 5275 } 5276 5277 /* mul - mul. */ 5278 static void gen_mul(DisasContext *ctx) 5279 { 5280 TCGv_i64 t0 = tcg_temp_new_i64(); 5281 TCGv_i64 t1 = tcg_temp_new_i64(); 5282 TCGv t2 = tcg_temp_new(); 5283 tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]); 5284 tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]); 5285 tcg_gen_mul_i64(t0, t0, t1); 5286 tcg_gen_trunc_i64_tl(t2, t0); 5287 gen_store_spr(SPR_MQ, t2); 5288 tcg_gen_shri_i64(t1, t0, 32); 5289 tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1); 5290 tcg_temp_free_i64(t0); 5291 tcg_temp_free_i64(t1); 5292 tcg_temp_free(t2); 5293 if (unlikely(Rc(ctx->opcode) != 0)) { 5294 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5295 } 5296 } 5297 5298 /* mulo - mulo. */ 5299 static void gen_mulo(DisasContext *ctx) 5300 { 5301 TCGLabel *l1 = gen_new_label(); 5302 TCGv_i64 t0 = tcg_temp_new_i64(); 5303 TCGv_i64 t1 = tcg_temp_new_i64(); 5304 TCGv t2 = tcg_temp_new(); 5305 /* Start with XER OV disabled, the most likely case */ 5306 tcg_gen_movi_tl(cpu_ov, 0); 5307 tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]); 5308 tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]); 5309 tcg_gen_mul_i64(t0, t0, t1); 5310 tcg_gen_trunc_i64_tl(t2, t0); 5311 gen_store_spr(SPR_MQ, t2); 5312 tcg_gen_shri_i64(t1, t0, 32); 5313 tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1); 5314 tcg_gen_ext32s_i64(t1, t0); 5315 tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1); 5316 tcg_gen_movi_tl(cpu_ov, 1); 5317 tcg_gen_movi_tl(cpu_so, 1); 5318 gen_set_label(l1); 5319 tcg_temp_free_i64(t0); 5320 tcg_temp_free_i64(t1); 5321 tcg_temp_free(t2); 5322 if (unlikely(Rc(ctx->opcode) != 0)) { 5323 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); 5324 } 5325 } 5326 5327 /* nabs - nabs. */ 5328 static void gen_nabs(DisasContext *ctx) 5329 { 5330 TCGv d = cpu_gpr[rD(ctx->opcode)]; 5331 TCGv a = cpu_gpr[rA(ctx->opcode)]; 5332 5333 tcg_gen_abs_tl(d, a); 5334 tcg_gen_neg_tl(d, d); 5335 if (unlikely(Rc(ctx->opcode) != 0)) { 5336 gen_set_Rc0(ctx, d); 5337 } 5338 } 5339 5340 /* nabso - nabso. */ 5341 static void gen_nabso(DisasContext *ctx) 5342 { 5343 TCGv d = cpu_gpr[rD(ctx->opcode)]; 5344 TCGv a = cpu_gpr[rA(ctx->opcode)]; 5345 5346 tcg_gen_abs_tl(d, a); 5347 tcg_gen_neg_tl(d, d); 5348 /* nabs never overflows */ 5349 tcg_gen_movi_tl(cpu_ov, 0); 5350 if (unlikely(Rc(ctx->opcode) != 0)) { 5351 gen_set_Rc0(ctx, d); 5352 } 5353 } 5354 5355 /* rlmi - rlmi. */ 5356 static void gen_rlmi(DisasContext *ctx) 5357 { 5358 uint32_t mb = MB(ctx->opcode); 5359 uint32_t me = ME(ctx->opcode); 5360 TCGv t0 = tcg_temp_new(); 5361 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); 5362 tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 5363 tcg_gen_andi_tl(t0, t0, MASK(mb, me)); 5364 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 5365 ~MASK(mb, me)); 5366 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0); 5367 tcg_temp_free(t0); 5368 if (unlikely(Rc(ctx->opcode) != 0)) { 5369 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5370 } 5371 } 5372 5373 /* rrib - rrib. */ 5374 static void gen_rrib(DisasContext *ctx) 5375 { 5376 TCGv t0 = tcg_temp_new(); 5377 TCGv t1 = tcg_temp_new(); 5378 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); 5379 tcg_gen_movi_tl(t1, 0x80000000); 5380 tcg_gen_shr_tl(t1, t1, t0); 5381 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 5382 tcg_gen_and_tl(t0, t0, t1); 5383 tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1); 5384 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 5385 tcg_temp_free(t0); 5386 tcg_temp_free(t1); 5387 if (unlikely(Rc(ctx->opcode) != 0)) { 5388 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5389 } 5390 } 5391 5392 /* sle - sle. */ 5393 static void gen_sle(DisasContext *ctx) 5394 { 5395 TCGv t0 = tcg_temp_new(); 5396 TCGv t1 = tcg_temp_new(); 5397 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); 5398 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); 5399 tcg_gen_subfi_tl(t1, 32, t1); 5400 tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1); 5401 tcg_gen_or_tl(t1, t0, t1); 5402 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); 5403 gen_store_spr(SPR_MQ, t1); 5404 tcg_temp_free(t0); 5405 tcg_temp_free(t1); 5406 if (unlikely(Rc(ctx->opcode) != 0)) { 5407 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5408 } 5409 } 5410 5411 /* sleq - sleq. */ 5412 static void gen_sleq(DisasContext *ctx) 5413 { 5414 TCGv t0 = tcg_temp_new(); 5415 TCGv t1 = tcg_temp_new(); 5416 TCGv t2 = tcg_temp_new(); 5417 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); 5418 tcg_gen_movi_tl(t2, 0xFFFFFFFF); 5419 tcg_gen_shl_tl(t2, t2, t0); 5420 tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 5421 gen_load_spr(t1, SPR_MQ); 5422 gen_store_spr(SPR_MQ, t0); 5423 tcg_gen_and_tl(t0, t0, t2); 5424 tcg_gen_andc_tl(t1, t1, t2); 5425 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 5426 tcg_temp_free(t0); 5427 tcg_temp_free(t1); 5428 tcg_temp_free(t2); 5429 if (unlikely(Rc(ctx->opcode) != 0)) { 5430 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5431 } 5432 } 5433 5434 /* sliq - sliq. */ 5435 static void gen_sliq(DisasContext *ctx) 5436 { 5437 int sh = SH(ctx->opcode); 5438 TCGv t0 = tcg_temp_new(); 5439 TCGv t1 = tcg_temp_new(); 5440 tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); 5441 tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh); 5442 tcg_gen_or_tl(t1, t0, t1); 5443 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); 5444 gen_store_spr(SPR_MQ, t1); 5445 tcg_temp_free(t0); 5446 tcg_temp_free(t1); 5447 if (unlikely(Rc(ctx->opcode) != 0)) { 5448 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5449 } 5450 } 5451 5452 /* slliq - slliq. */ 5453 static void gen_slliq(DisasContext *ctx) 5454 { 5455 int sh = SH(ctx->opcode); 5456 TCGv t0 = tcg_temp_new(); 5457 TCGv t1 = tcg_temp_new(); 5458 tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); 5459 gen_load_spr(t1, SPR_MQ); 5460 gen_store_spr(SPR_MQ, t0); 5461 tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU << sh)); 5462 tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh)); 5463 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 5464 tcg_temp_free(t0); 5465 tcg_temp_free(t1); 5466 if (unlikely(Rc(ctx->opcode) != 0)) { 5467 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5468 } 5469 } 5470 5471 /* sllq - sllq. */ 5472 static void gen_sllq(DisasContext *ctx) 5473 { 5474 TCGLabel *l1 = gen_new_label(); 5475 TCGLabel *l2 = gen_new_label(); 5476 TCGv t0 = tcg_temp_local_new(); 5477 TCGv t1 = tcg_temp_local_new(); 5478 TCGv t2 = tcg_temp_local_new(); 5479 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F); 5480 tcg_gen_movi_tl(t1, 0xFFFFFFFF); 5481 tcg_gen_shl_tl(t1, t1, t2); 5482 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20); 5483 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); 5484 gen_load_spr(t0, SPR_MQ); 5485 tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 5486 tcg_gen_br(l2); 5487 gen_set_label(l1); 5488 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2); 5489 gen_load_spr(t2, SPR_MQ); 5490 tcg_gen_andc_tl(t1, t2, t1); 5491 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 5492 gen_set_label(l2); 5493 tcg_temp_free(t0); 5494 tcg_temp_free(t1); 5495 tcg_temp_free(t2); 5496 if (unlikely(Rc(ctx->opcode) != 0)) { 5497 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5498 } 5499 } 5500 5501 /* slq - slq. */ 5502 static void gen_slq(DisasContext *ctx) 5503 { 5504 TCGLabel *l1 = gen_new_label(); 5505 TCGv t0 = tcg_temp_new(); 5506 TCGv t1 = tcg_temp_new(); 5507 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); 5508 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); 5509 tcg_gen_subfi_tl(t1, 32, t1); 5510 tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1); 5511 tcg_gen_or_tl(t1, t0, t1); 5512 gen_store_spr(SPR_MQ, t1); 5513 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20); 5514 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); 5515 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); 5516 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); 5517 gen_set_label(l1); 5518 tcg_temp_free(t0); 5519 tcg_temp_free(t1); 5520 if (unlikely(Rc(ctx->opcode) != 0)) { 5521 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5522 } 5523 } 5524 5525 /* sraiq - sraiq. */ 5526 static void gen_sraiq(DisasContext *ctx) 5527 { 5528 int sh = SH(ctx->opcode); 5529 TCGLabel *l1 = gen_new_label(); 5530 TCGv t0 = tcg_temp_new(); 5531 TCGv t1 = tcg_temp_new(); 5532 tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); 5533 tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh); 5534 tcg_gen_or_tl(t0, t0, t1); 5535 gen_store_spr(SPR_MQ, t0); 5536 tcg_gen_movi_tl(cpu_ca, 0); 5537 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); 5538 tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1); 5539 tcg_gen_movi_tl(cpu_ca, 1); 5540 gen_set_label(l1); 5541 tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh); 5542 tcg_temp_free(t0); 5543 tcg_temp_free(t1); 5544 if (unlikely(Rc(ctx->opcode) != 0)) { 5545 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5546 } 5547 } 5548 5549 /* sraq - sraq. */ 5550 static void gen_sraq(DisasContext *ctx) 5551 { 5552 TCGLabel *l1 = gen_new_label(); 5553 TCGLabel *l2 = gen_new_label(); 5554 TCGv t0 = tcg_temp_new(); 5555 TCGv t1 = tcg_temp_local_new(); 5556 TCGv t2 = tcg_temp_local_new(); 5557 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F); 5558 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2); 5559 tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2); 5560 tcg_gen_subfi_tl(t2, 32, t2); 5561 tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2); 5562 tcg_gen_or_tl(t0, t0, t2); 5563 gen_store_spr(SPR_MQ, t0); 5564 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20); 5565 tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1); 5566 tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]); 5567 tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31); 5568 gen_set_label(l1); 5569 tcg_temp_free(t0); 5570 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1); 5571 tcg_gen_movi_tl(cpu_ca, 0); 5572 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2); 5573 tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2); 5574 tcg_gen_movi_tl(cpu_ca, 1); 5575 gen_set_label(l2); 5576 tcg_temp_free(t1); 5577 tcg_temp_free(t2); 5578 if (unlikely(Rc(ctx->opcode) != 0)) { 5579 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5580 } 5581 } 5582 5583 /* sre - sre. */ 5584 static void gen_sre(DisasContext *ctx) 5585 { 5586 TCGv t0 = tcg_temp_new(); 5587 TCGv t1 = tcg_temp_new(); 5588 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); 5589 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); 5590 tcg_gen_subfi_tl(t1, 32, t1); 5591 tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1); 5592 tcg_gen_or_tl(t1, t0, t1); 5593 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); 5594 gen_store_spr(SPR_MQ, t1); 5595 tcg_temp_free(t0); 5596 tcg_temp_free(t1); 5597 if (unlikely(Rc(ctx->opcode) != 0)) { 5598 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5599 } 5600 } 5601 5602 /* srea - srea. */ 5603 static void gen_srea(DisasContext *ctx) 5604 { 5605 TCGv t0 = tcg_temp_new(); 5606 TCGv t1 = tcg_temp_new(); 5607 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); 5608 tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); 5609 gen_store_spr(SPR_MQ, t0); 5610 tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1); 5611 tcg_temp_free(t0); 5612 tcg_temp_free(t1); 5613 if (unlikely(Rc(ctx->opcode) != 0)) { 5614 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5615 } 5616 } 5617 5618 /* sreq */ 5619 static void gen_sreq(DisasContext *ctx) 5620 { 5621 TCGv t0 = tcg_temp_new(); 5622 TCGv t1 = tcg_temp_new(); 5623 TCGv t2 = tcg_temp_new(); 5624 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); 5625 tcg_gen_movi_tl(t1, 0xFFFFFFFF); 5626 tcg_gen_shr_tl(t1, t1, t0); 5627 tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); 5628 gen_load_spr(t2, SPR_MQ); 5629 gen_store_spr(SPR_MQ, t0); 5630 tcg_gen_and_tl(t0, t0, t1); 5631 tcg_gen_andc_tl(t2, t2, t1); 5632 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2); 5633 tcg_temp_free(t0); 5634 tcg_temp_free(t1); 5635 tcg_temp_free(t2); 5636 if (unlikely(Rc(ctx->opcode) != 0)) { 5637 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5638 } 5639 } 5640 5641 /* sriq */ 5642 static void gen_sriq(DisasContext *ctx) 5643 { 5644 int sh = SH(ctx->opcode); 5645 TCGv t0 = tcg_temp_new(); 5646 TCGv t1 = tcg_temp_new(); 5647 tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); 5648 tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh); 5649 tcg_gen_or_tl(t1, t0, t1); 5650 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); 5651 gen_store_spr(SPR_MQ, t1); 5652 tcg_temp_free(t0); 5653 tcg_temp_free(t1); 5654 if (unlikely(Rc(ctx->opcode) != 0)) { 5655 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5656 } 5657 } 5658 5659 /* srliq */ 5660 static void gen_srliq(DisasContext *ctx) 5661 { 5662 int sh = SH(ctx->opcode); 5663 TCGv t0 = tcg_temp_new(); 5664 TCGv t1 = tcg_temp_new(); 5665 tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); 5666 gen_load_spr(t1, SPR_MQ); 5667 gen_store_spr(SPR_MQ, t0); 5668 tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU >> sh)); 5669 tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh)); 5670 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 5671 tcg_temp_free(t0); 5672 tcg_temp_free(t1); 5673 if (unlikely(Rc(ctx->opcode) != 0)) { 5674 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5675 } 5676 } 5677 5678 /* srlq */ 5679 static void gen_srlq(DisasContext *ctx) 5680 { 5681 TCGLabel *l1 = gen_new_label(); 5682 TCGLabel *l2 = gen_new_label(); 5683 TCGv t0 = tcg_temp_local_new(); 5684 TCGv t1 = tcg_temp_local_new(); 5685 TCGv t2 = tcg_temp_local_new(); 5686 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F); 5687 tcg_gen_movi_tl(t1, 0xFFFFFFFF); 5688 tcg_gen_shr_tl(t2, t1, t2); 5689 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20); 5690 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); 5691 gen_load_spr(t0, SPR_MQ); 5692 tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2); 5693 tcg_gen_br(l2); 5694 gen_set_label(l1); 5695 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2); 5696 tcg_gen_and_tl(t0, t0, t2); 5697 gen_load_spr(t1, SPR_MQ); 5698 tcg_gen_andc_tl(t1, t1, t2); 5699 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); 5700 gen_set_label(l2); 5701 tcg_temp_free(t0); 5702 tcg_temp_free(t1); 5703 tcg_temp_free(t2); 5704 if (unlikely(Rc(ctx->opcode) != 0)) { 5705 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5706 } 5707 } 5708 5709 /* srq */ 5710 static void gen_srq(DisasContext *ctx) 5711 { 5712 TCGLabel *l1 = gen_new_label(); 5713 TCGv t0 = tcg_temp_new(); 5714 TCGv t1 = tcg_temp_new(); 5715 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); 5716 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); 5717 tcg_gen_subfi_tl(t1, 32, t1); 5718 tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1); 5719 tcg_gen_or_tl(t1, t0, t1); 5720 gen_store_spr(SPR_MQ, t1); 5721 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20); 5722 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); 5723 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); 5724 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); 5725 gen_set_label(l1); 5726 tcg_temp_free(t0); 5727 tcg_temp_free(t1); 5728 if (unlikely(Rc(ctx->opcode) != 0)) { 5729 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); 5730 } 5731 } 5732 5733 /* PowerPC 602 specific instructions */ 5734 5735 /* dsa */ 5736 static void gen_dsa(DisasContext *ctx) 5737 { 5738 /* XXX: TODO */ 5739 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 5740 } 5741 5742 /* esa */ 5743 static void gen_esa(DisasContext *ctx) 5744 { 5745 /* XXX: TODO */ 5746 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 5747 } 5748 5749 /* mfrom */ 5750 static void gen_mfrom(DisasContext *ctx) 5751 { 5752 #if defined(CONFIG_USER_ONLY) 5753 GEN_PRIV; 5754 #else 5755 CHK_SV; 5756 gen_helper_602_mfrom(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); 5757 #endif /* defined(CONFIG_USER_ONLY) */ 5758 } 5759 5760 /* 602 - 603 - G2 TLB management */ 5761 5762 /* tlbld */ 5763 static void gen_tlbld_6xx(DisasContext *ctx) 5764 { 5765 #if defined(CONFIG_USER_ONLY) 5766 GEN_PRIV; 5767 #else 5768 CHK_SV; 5769 gen_helper_6xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5770 #endif /* defined(CONFIG_USER_ONLY) */ 5771 } 5772 5773 /* tlbli */ 5774 static void gen_tlbli_6xx(DisasContext *ctx) 5775 { 5776 #if defined(CONFIG_USER_ONLY) 5777 GEN_PRIV; 5778 #else 5779 CHK_SV; 5780 gen_helper_6xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5781 #endif /* defined(CONFIG_USER_ONLY) */ 5782 } 5783 5784 /* 74xx TLB management */ 5785 5786 /* tlbld */ 5787 static void gen_tlbld_74xx(DisasContext *ctx) 5788 { 5789 #if defined(CONFIG_USER_ONLY) 5790 GEN_PRIV; 5791 #else 5792 CHK_SV; 5793 gen_helper_74xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5794 #endif /* defined(CONFIG_USER_ONLY) */ 5795 } 5796 5797 /* tlbli */ 5798 static void gen_tlbli_74xx(DisasContext *ctx) 5799 { 5800 #if defined(CONFIG_USER_ONLY) 5801 GEN_PRIV; 5802 #else 5803 CHK_SV; 5804 gen_helper_74xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5805 #endif /* defined(CONFIG_USER_ONLY) */ 5806 } 5807 5808 /* POWER instructions not in PowerPC 601 */ 5809 5810 /* clf */ 5811 static void gen_clf(DisasContext *ctx) 5812 { 5813 /* Cache line flush: implemented as no-op */ 5814 } 5815 5816 /* cli */ 5817 static void gen_cli(DisasContext *ctx) 5818 { 5819 #if defined(CONFIG_USER_ONLY) 5820 GEN_PRIV; 5821 #else 5822 /* Cache line invalidate: privileged and treated as no-op */ 5823 CHK_SV; 5824 #endif /* defined(CONFIG_USER_ONLY) */ 5825 } 5826 5827 /* dclst */ 5828 static void gen_dclst(DisasContext *ctx) 5829 { 5830 /* Data cache line store: treated as no-op */ 5831 } 5832 5833 static void gen_mfsri(DisasContext *ctx) 5834 { 5835 #if defined(CONFIG_USER_ONLY) 5836 GEN_PRIV; 5837 #else 5838 int ra = rA(ctx->opcode); 5839 int rd = rD(ctx->opcode); 5840 TCGv t0; 5841 5842 CHK_SV; 5843 t0 = tcg_temp_new(); 5844 gen_addr_reg_index(ctx, t0); 5845 tcg_gen_extract_tl(t0, t0, 28, 4); 5846 gen_helper_load_sr(cpu_gpr[rd], cpu_env, t0); 5847 tcg_temp_free(t0); 5848 if (ra != 0 && ra != rd) { 5849 tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rd]); 5850 } 5851 #endif /* defined(CONFIG_USER_ONLY) */ 5852 } 5853 5854 static void gen_rac(DisasContext *ctx) 5855 { 5856 #if defined(CONFIG_USER_ONLY) 5857 GEN_PRIV; 5858 #else 5859 TCGv t0; 5860 5861 CHK_SV; 5862 t0 = tcg_temp_new(); 5863 gen_addr_reg_index(ctx, t0); 5864 gen_helper_rac(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 5865 tcg_temp_free(t0); 5866 #endif /* defined(CONFIG_USER_ONLY) */ 5867 } 5868 5869 static void gen_rfsvc(DisasContext *ctx) 5870 { 5871 #if defined(CONFIG_USER_ONLY) 5872 GEN_PRIV; 5873 #else 5874 CHK_SV; 5875 5876 gen_helper_rfsvc(cpu_env); 5877 gen_sync_exception(ctx); 5878 #endif /* defined(CONFIG_USER_ONLY) */ 5879 } 5880 5881 /* svc is not implemented for now */ 5882 5883 /* BookE specific instructions */ 5884 5885 /* XXX: not implemented on 440 ? */ 5886 static void gen_mfapidi(DisasContext *ctx) 5887 { 5888 /* XXX: TODO */ 5889 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 5890 } 5891 5892 /* XXX: not implemented on 440 ? */ 5893 static void gen_tlbiva(DisasContext *ctx) 5894 { 5895 #if defined(CONFIG_USER_ONLY) 5896 GEN_PRIV; 5897 #else 5898 TCGv t0; 5899 5900 CHK_SV; 5901 t0 = tcg_temp_new(); 5902 gen_addr_reg_index(ctx, t0); 5903 gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]); 5904 tcg_temp_free(t0); 5905 #endif /* defined(CONFIG_USER_ONLY) */ 5906 } 5907 5908 /* All 405 MAC instructions are translated here */ 5909 static inline void gen_405_mulladd_insn(DisasContext *ctx, int opc2, int opc3, 5910 int ra, int rb, int rt, int Rc) 5911 { 5912 TCGv t0, t1; 5913 5914 t0 = tcg_temp_local_new(); 5915 t1 = tcg_temp_local_new(); 5916 5917 switch (opc3 & 0x0D) { 5918 case 0x05: 5919 /* macchw - macchw. - macchwo - macchwo. */ 5920 /* macchws - macchws. - macchwso - macchwso. */ 5921 /* nmacchw - nmacchw. - nmacchwo - nmacchwo. */ 5922 /* nmacchws - nmacchws. - nmacchwso - nmacchwso. */ 5923 /* mulchw - mulchw. */ 5924 tcg_gen_ext16s_tl(t0, cpu_gpr[ra]); 5925 tcg_gen_sari_tl(t1, cpu_gpr[rb], 16); 5926 tcg_gen_ext16s_tl(t1, t1); 5927 break; 5928 case 0x04: 5929 /* macchwu - macchwu. - macchwuo - macchwuo. */ 5930 /* macchwsu - macchwsu. - macchwsuo - macchwsuo. */ 5931 /* mulchwu - mulchwu. */ 5932 tcg_gen_ext16u_tl(t0, cpu_gpr[ra]); 5933 tcg_gen_shri_tl(t1, cpu_gpr[rb], 16); 5934 tcg_gen_ext16u_tl(t1, t1); 5935 break; 5936 case 0x01: 5937 /* machhw - machhw. - machhwo - machhwo. */ 5938 /* machhws - machhws. - machhwso - machhwso. */ 5939 /* nmachhw - nmachhw. - nmachhwo - nmachhwo. */ 5940 /* nmachhws - nmachhws. - nmachhwso - nmachhwso. */ 5941 /* mulhhw - mulhhw. */ 5942 tcg_gen_sari_tl(t0, cpu_gpr[ra], 16); 5943 tcg_gen_ext16s_tl(t0, t0); 5944 tcg_gen_sari_tl(t1, cpu_gpr[rb], 16); 5945 tcg_gen_ext16s_tl(t1, t1); 5946 break; 5947 case 0x00: 5948 /* machhwu - machhwu. - machhwuo - machhwuo. */ 5949 /* machhwsu - machhwsu. - machhwsuo - machhwsuo. */ 5950 /* mulhhwu - mulhhwu. */ 5951 tcg_gen_shri_tl(t0, cpu_gpr[ra], 16); 5952 tcg_gen_ext16u_tl(t0, t0); 5953 tcg_gen_shri_tl(t1, cpu_gpr[rb], 16); 5954 tcg_gen_ext16u_tl(t1, t1); 5955 break; 5956 case 0x0D: 5957 /* maclhw - maclhw. - maclhwo - maclhwo. */ 5958 /* maclhws - maclhws. - maclhwso - maclhwso. */ 5959 /* nmaclhw - nmaclhw. - nmaclhwo - nmaclhwo. */ 5960 /* nmaclhws - nmaclhws. - nmaclhwso - nmaclhwso. */ 5961 /* mullhw - mullhw. */ 5962 tcg_gen_ext16s_tl(t0, cpu_gpr[ra]); 5963 tcg_gen_ext16s_tl(t1, cpu_gpr[rb]); 5964 break; 5965 case 0x0C: 5966 /* maclhwu - maclhwu. - maclhwuo - maclhwuo. */ 5967 /* maclhwsu - maclhwsu. - maclhwsuo - maclhwsuo. */ 5968 /* mullhwu - mullhwu. */ 5969 tcg_gen_ext16u_tl(t0, cpu_gpr[ra]); 5970 tcg_gen_ext16u_tl(t1, cpu_gpr[rb]); 5971 break; 5972 } 5973 if (opc2 & 0x04) { 5974 /* (n)multiply-and-accumulate (0x0C / 0x0E) */ 5975 tcg_gen_mul_tl(t1, t0, t1); 5976 if (opc2 & 0x02) { 5977 /* nmultiply-and-accumulate (0x0E) */ 5978 tcg_gen_sub_tl(t0, cpu_gpr[rt], t1); 5979 } else { 5980 /* multiply-and-accumulate (0x0C) */ 5981 tcg_gen_add_tl(t0, cpu_gpr[rt], t1); 5982 } 5983 5984 if (opc3 & 0x12) { 5985 /* Check overflow and/or saturate */ 5986 TCGLabel *l1 = gen_new_label(); 5987 5988 if (opc3 & 0x10) { 5989 /* Start with XER OV disabled, the most likely case */ 5990 tcg_gen_movi_tl(cpu_ov, 0); 5991 } 5992 if (opc3 & 0x01) { 5993 /* Signed */ 5994 tcg_gen_xor_tl(t1, cpu_gpr[rt], t1); 5995 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 5996 tcg_gen_xor_tl(t1, cpu_gpr[rt], t0); 5997 tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1); 5998 if (opc3 & 0x02) { 5999 /* Saturate */ 6000 tcg_gen_sari_tl(t0, cpu_gpr[rt], 31); 6001 tcg_gen_xori_tl(t0, t0, 0x7fffffff); 6002 } 6003 } else { 6004 /* Unsigned */ 6005 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1); 6006 if (opc3 & 0x02) { 6007 /* Saturate */ 6008 tcg_gen_movi_tl(t0, UINT32_MAX); 6009 } 6010 } 6011 if (opc3 & 0x10) { 6012 /* Check overflow */ 6013 tcg_gen_movi_tl(cpu_ov, 1); 6014 tcg_gen_movi_tl(cpu_so, 1); 6015 } 6016 gen_set_label(l1); 6017 tcg_gen_mov_tl(cpu_gpr[rt], t0); 6018 } 6019 } else { 6020 tcg_gen_mul_tl(cpu_gpr[rt], t0, t1); 6021 } 6022 tcg_temp_free(t0); 6023 tcg_temp_free(t1); 6024 if (unlikely(Rc) != 0) { 6025 /* Update Rc0 */ 6026 gen_set_Rc0(ctx, cpu_gpr[rt]); 6027 } 6028 } 6029 6030 #define GEN_MAC_HANDLER(name, opc2, opc3) \ 6031 static void glue(gen_, name)(DisasContext *ctx) \ 6032 { \ 6033 gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode), \ 6034 rD(ctx->opcode), Rc(ctx->opcode)); \ 6035 } 6036 6037 /* macchw - macchw. */ 6038 GEN_MAC_HANDLER(macchw, 0x0C, 0x05); 6039 /* macchwo - macchwo. */ 6040 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15); 6041 /* macchws - macchws. */ 6042 GEN_MAC_HANDLER(macchws, 0x0C, 0x07); 6043 /* macchwso - macchwso. */ 6044 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17); 6045 /* macchwsu - macchwsu. */ 6046 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06); 6047 /* macchwsuo - macchwsuo. */ 6048 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16); 6049 /* macchwu - macchwu. */ 6050 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04); 6051 /* macchwuo - macchwuo. */ 6052 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14); 6053 /* machhw - machhw. */ 6054 GEN_MAC_HANDLER(machhw, 0x0C, 0x01); 6055 /* machhwo - machhwo. */ 6056 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11); 6057 /* machhws - machhws. */ 6058 GEN_MAC_HANDLER(machhws, 0x0C, 0x03); 6059 /* machhwso - machhwso. */ 6060 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13); 6061 /* machhwsu - machhwsu. */ 6062 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02); 6063 /* machhwsuo - machhwsuo. */ 6064 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12); 6065 /* machhwu - machhwu. */ 6066 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00); 6067 /* machhwuo - machhwuo. */ 6068 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10); 6069 /* maclhw - maclhw. */ 6070 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D); 6071 /* maclhwo - maclhwo. */ 6072 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D); 6073 /* maclhws - maclhws. */ 6074 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F); 6075 /* maclhwso - maclhwso. */ 6076 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F); 6077 /* maclhwu - maclhwu. */ 6078 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C); 6079 /* maclhwuo - maclhwuo. */ 6080 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C); 6081 /* maclhwsu - maclhwsu. */ 6082 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E); 6083 /* maclhwsuo - maclhwsuo. */ 6084 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E); 6085 /* nmacchw - nmacchw. */ 6086 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05); 6087 /* nmacchwo - nmacchwo. */ 6088 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15); 6089 /* nmacchws - nmacchws. */ 6090 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07); 6091 /* nmacchwso - nmacchwso. */ 6092 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17); 6093 /* nmachhw - nmachhw. */ 6094 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01); 6095 /* nmachhwo - nmachhwo. */ 6096 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11); 6097 /* nmachhws - nmachhws. */ 6098 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03); 6099 /* nmachhwso - nmachhwso. */ 6100 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13); 6101 /* nmaclhw - nmaclhw. */ 6102 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D); 6103 /* nmaclhwo - nmaclhwo. */ 6104 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D); 6105 /* nmaclhws - nmaclhws. */ 6106 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F); 6107 /* nmaclhwso - nmaclhwso. */ 6108 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F); 6109 6110 /* mulchw - mulchw. */ 6111 GEN_MAC_HANDLER(mulchw, 0x08, 0x05); 6112 /* mulchwu - mulchwu. */ 6113 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04); 6114 /* mulhhw - mulhhw. */ 6115 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01); 6116 /* mulhhwu - mulhhwu. */ 6117 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00); 6118 /* mullhw - mullhw. */ 6119 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D); 6120 /* mullhwu - mullhwu. */ 6121 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C); 6122 6123 /* mfdcr */ 6124 static void gen_mfdcr(DisasContext *ctx) 6125 { 6126 #if defined(CONFIG_USER_ONLY) 6127 GEN_PRIV; 6128 #else 6129 TCGv dcrn; 6130 6131 CHK_SV; 6132 dcrn = tcg_const_tl(SPR(ctx->opcode)); 6133 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn); 6134 tcg_temp_free(dcrn); 6135 #endif /* defined(CONFIG_USER_ONLY) */ 6136 } 6137 6138 /* mtdcr */ 6139 static void gen_mtdcr(DisasContext *ctx) 6140 { 6141 #if defined(CONFIG_USER_ONLY) 6142 GEN_PRIV; 6143 #else 6144 TCGv dcrn; 6145 6146 CHK_SV; 6147 dcrn = tcg_const_tl(SPR(ctx->opcode)); 6148 gen_helper_store_dcr(cpu_env, dcrn, cpu_gpr[rS(ctx->opcode)]); 6149 tcg_temp_free(dcrn); 6150 #endif /* defined(CONFIG_USER_ONLY) */ 6151 } 6152 6153 /* mfdcrx */ 6154 /* XXX: not implemented on 440 ? */ 6155 static void gen_mfdcrx(DisasContext *ctx) 6156 { 6157 #if defined(CONFIG_USER_ONLY) 6158 GEN_PRIV; 6159 #else 6160 CHK_SV; 6161 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, 6162 cpu_gpr[rA(ctx->opcode)]); 6163 /* Note: Rc update flag set leads to undefined state of Rc0 */ 6164 #endif /* defined(CONFIG_USER_ONLY) */ 6165 } 6166 6167 /* mtdcrx */ 6168 /* XXX: not implemented on 440 ? */ 6169 static void gen_mtdcrx(DisasContext *ctx) 6170 { 6171 #if defined(CONFIG_USER_ONLY) 6172 GEN_PRIV; 6173 #else 6174 CHK_SV; 6175 gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)], 6176 cpu_gpr[rS(ctx->opcode)]); 6177 /* Note: Rc update flag set leads to undefined state of Rc0 */ 6178 #endif /* defined(CONFIG_USER_ONLY) */ 6179 } 6180 6181 /* mfdcrux (PPC 460) : user-mode access to DCR */ 6182 static void gen_mfdcrux(DisasContext *ctx) 6183 { 6184 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, 6185 cpu_gpr[rA(ctx->opcode)]); 6186 /* Note: Rc update flag set leads to undefined state of Rc0 */ 6187 } 6188 6189 /* mtdcrux (PPC 460) : user-mode access to DCR */ 6190 static void gen_mtdcrux(DisasContext *ctx) 6191 { 6192 gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)], 6193 cpu_gpr[rS(ctx->opcode)]); 6194 /* Note: Rc update flag set leads to undefined state of Rc0 */ 6195 } 6196 6197 /* dccci */ 6198 static void gen_dccci(DisasContext *ctx) 6199 { 6200 CHK_SV; 6201 /* interpreted as no-op */ 6202 } 6203 6204 /* dcread */ 6205 static void gen_dcread(DisasContext *ctx) 6206 { 6207 #if defined(CONFIG_USER_ONLY) 6208 GEN_PRIV; 6209 #else 6210 TCGv EA, val; 6211 6212 CHK_SV; 6213 gen_set_access_type(ctx, ACCESS_CACHE); 6214 EA = tcg_temp_new(); 6215 gen_addr_reg_index(ctx, EA); 6216 val = tcg_temp_new(); 6217 gen_qemu_ld32u(ctx, val, EA); 6218 tcg_temp_free(val); 6219 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA); 6220 tcg_temp_free(EA); 6221 #endif /* defined(CONFIG_USER_ONLY) */ 6222 } 6223 6224 /* icbt */ 6225 static void gen_icbt_40x(DisasContext *ctx) 6226 { 6227 /* 6228 * interpreted as no-op 6229 * XXX: specification say this is treated as a load by the MMU but 6230 * does not generate any exception 6231 */ 6232 } 6233 6234 /* iccci */ 6235 static void gen_iccci(DisasContext *ctx) 6236 { 6237 CHK_SV; 6238 /* interpreted as no-op */ 6239 } 6240 6241 /* icread */ 6242 static void gen_icread(DisasContext *ctx) 6243 { 6244 CHK_SV; 6245 /* interpreted as no-op */ 6246 } 6247 6248 /* rfci (supervisor only) */ 6249 static void gen_rfci_40x(DisasContext *ctx) 6250 { 6251 #if defined(CONFIG_USER_ONLY) 6252 GEN_PRIV; 6253 #else 6254 CHK_SV; 6255 /* Restore CPU state */ 6256 gen_helper_40x_rfci(cpu_env); 6257 gen_sync_exception(ctx); 6258 #endif /* defined(CONFIG_USER_ONLY) */ 6259 } 6260 6261 static void gen_rfci(DisasContext *ctx) 6262 { 6263 #if defined(CONFIG_USER_ONLY) 6264 GEN_PRIV; 6265 #else 6266 CHK_SV; 6267 /* Restore CPU state */ 6268 gen_helper_rfci(cpu_env); 6269 gen_sync_exception(ctx); 6270 #endif /* defined(CONFIG_USER_ONLY) */ 6271 } 6272 6273 /* BookE specific */ 6274 6275 /* XXX: not implemented on 440 ? */ 6276 static void gen_rfdi(DisasContext *ctx) 6277 { 6278 #if defined(CONFIG_USER_ONLY) 6279 GEN_PRIV; 6280 #else 6281 CHK_SV; 6282 /* Restore CPU state */ 6283 gen_helper_rfdi(cpu_env); 6284 gen_sync_exception(ctx); 6285 #endif /* defined(CONFIG_USER_ONLY) */ 6286 } 6287 6288 /* XXX: not implemented on 440 ? */ 6289 static void gen_rfmci(DisasContext *ctx) 6290 { 6291 #if defined(CONFIG_USER_ONLY) 6292 GEN_PRIV; 6293 #else 6294 CHK_SV; 6295 /* Restore CPU state */ 6296 gen_helper_rfmci(cpu_env); 6297 gen_sync_exception(ctx); 6298 #endif /* defined(CONFIG_USER_ONLY) */ 6299 } 6300 6301 /* TLB management - PowerPC 405 implementation */ 6302 6303 /* tlbre */ 6304 static void gen_tlbre_40x(DisasContext *ctx) 6305 { 6306 #if defined(CONFIG_USER_ONLY) 6307 GEN_PRIV; 6308 #else 6309 CHK_SV; 6310 switch (rB(ctx->opcode)) { 6311 case 0: 6312 gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_env, 6313 cpu_gpr[rA(ctx->opcode)]); 6314 break; 6315 case 1: 6316 gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_env, 6317 cpu_gpr[rA(ctx->opcode)]); 6318 break; 6319 default: 6320 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6321 break; 6322 } 6323 #endif /* defined(CONFIG_USER_ONLY) */ 6324 } 6325 6326 /* tlbsx - tlbsx. */ 6327 static void gen_tlbsx_40x(DisasContext *ctx) 6328 { 6329 #if defined(CONFIG_USER_ONLY) 6330 GEN_PRIV; 6331 #else 6332 TCGv t0; 6333 6334 CHK_SV; 6335 t0 = tcg_temp_new(); 6336 gen_addr_reg_index(ctx, t0); 6337 gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 6338 tcg_temp_free(t0); 6339 if (Rc(ctx->opcode)) { 6340 TCGLabel *l1 = gen_new_label(); 6341 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 6342 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1); 6343 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02); 6344 gen_set_label(l1); 6345 } 6346 #endif /* defined(CONFIG_USER_ONLY) */ 6347 } 6348 6349 /* tlbwe */ 6350 static void gen_tlbwe_40x(DisasContext *ctx) 6351 { 6352 #if defined(CONFIG_USER_ONLY) 6353 GEN_PRIV; 6354 #else 6355 CHK_SV; 6356 6357 switch (rB(ctx->opcode)) { 6358 case 0: 6359 gen_helper_4xx_tlbwe_hi(cpu_env, cpu_gpr[rA(ctx->opcode)], 6360 cpu_gpr[rS(ctx->opcode)]); 6361 break; 6362 case 1: 6363 gen_helper_4xx_tlbwe_lo(cpu_env, cpu_gpr[rA(ctx->opcode)], 6364 cpu_gpr[rS(ctx->opcode)]); 6365 break; 6366 default: 6367 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6368 break; 6369 } 6370 #endif /* defined(CONFIG_USER_ONLY) */ 6371 } 6372 6373 /* TLB management - PowerPC 440 implementation */ 6374 6375 /* tlbre */ 6376 static void gen_tlbre_440(DisasContext *ctx) 6377 { 6378 #if defined(CONFIG_USER_ONLY) 6379 GEN_PRIV; 6380 #else 6381 CHK_SV; 6382 6383 switch (rB(ctx->opcode)) { 6384 case 0: 6385 case 1: 6386 case 2: 6387 { 6388 TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode)); 6389 gen_helper_440_tlbre(cpu_gpr[rD(ctx->opcode)], cpu_env, 6390 t0, cpu_gpr[rA(ctx->opcode)]); 6391 tcg_temp_free_i32(t0); 6392 } 6393 break; 6394 default: 6395 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6396 break; 6397 } 6398 #endif /* defined(CONFIG_USER_ONLY) */ 6399 } 6400 6401 /* tlbsx - tlbsx. */ 6402 static void gen_tlbsx_440(DisasContext *ctx) 6403 { 6404 #if defined(CONFIG_USER_ONLY) 6405 GEN_PRIV; 6406 #else 6407 TCGv t0; 6408 6409 CHK_SV; 6410 t0 = tcg_temp_new(); 6411 gen_addr_reg_index(ctx, t0); 6412 gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); 6413 tcg_temp_free(t0); 6414 if (Rc(ctx->opcode)) { 6415 TCGLabel *l1 = gen_new_label(); 6416 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); 6417 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1); 6418 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02); 6419 gen_set_label(l1); 6420 } 6421 #endif /* defined(CONFIG_USER_ONLY) */ 6422 } 6423 6424 /* tlbwe */ 6425 static void gen_tlbwe_440(DisasContext *ctx) 6426 { 6427 #if defined(CONFIG_USER_ONLY) 6428 GEN_PRIV; 6429 #else 6430 CHK_SV; 6431 switch (rB(ctx->opcode)) { 6432 case 0: 6433 case 1: 6434 case 2: 6435 { 6436 TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode)); 6437 gen_helper_440_tlbwe(cpu_env, t0, cpu_gpr[rA(ctx->opcode)], 6438 cpu_gpr[rS(ctx->opcode)]); 6439 tcg_temp_free_i32(t0); 6440 } 6441 break; 6442 default: 6443 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6444 break; 6445 } 6446 #endif /* defined(CONFIG_USER_ONLY) */ 6447 } 6448 6449 /* TLB management - PowerPC BookE 2.06 implementation */ 6450 6451 /* tlbre */ 6452 static void gen_tlbre_booke206(DisasContext *ctx) 6453 { 6454 #if defined(CONFIG_USER_ONLY) 6455 GEN_PRIV; 6456 #else 6457 CHK_SV; 6458 gen_helper_booke206_tlbre(cpu_env); 6459 #endif /* defined(CONFIG_USER_ONLY) */ 6460 } 6461 6462 /* tlbsx - tlbsx. */ 6463 static void gen_tlbsx_booke206(DisasContext *ctx) 6464 { 6465 #if defined(CONFIG_USER_ONLY) 6466 GEN_PRIV; 6467 #else 6468 TCGv t0; 6469 6470 CHK_SV; 6471 if (rA(ctx->opcode)) { 6472 t0 = tcg_temp_new(); 6473 tcg_gen_mov_tl(t0, cpu_gpr[rD(ctx->opcode)]); 6474 } else { 6475 t0 = tcg_const_tl(0); 6476 } 6477 6478 tcg_gen_add_tl(t0, t0, cpu_gpr[rB(ctx->opcode)]); 6479 gen_helper_booke206_tlbsx(cpu_env, t0); 6480 tcg_temp_free(t0); 6481 #endif /* defined(CONFIG_USER_ONLY) */ 6482 } 6483 6484 /* tlbwe */ 6485 static void gen_tlbwe_booke206(DisasContext *ctx) 6486 { 6487 #if defined(CONFIG_USER_ONLY) 6488 GEN_PRIV; 6489 #else 6490 CHK_SV; 6491 gen_helper_booke206_tlbwe(cpu_env); 6492 #endif /* defined(CONFIG_USER_ONLY) */ 6493 } 6494 6495 static void gen_tlbivax_booke206(DisasContext *ctx) 6496 { 6497 #if defined(CONFIG_USER_ONLY) 6498 GEN_PRIV; 6499 #else 6500 TCGv t0; 6501 6502 CHK_SV; 6503 t0 = tcg_temp_new(); 6504 gen_addr_reg_index(ctx, t0); 6505 gen_helper_booke206_tlbivax(cpu_env, t0); 6506 tcg_temp_free(t0); 6507 #endif /* defined(CONFIG_USER_ONLY) */ 6508 } 6509 6510 static void gen_tlbilx_booke206(DisasContext *ctx) 6511 { 6512 #if defined(CONFIG_USER_ONLY) 6513 GEN_PRIV; 6514 #else 6515 TCGv t0; 6516 6517 CHK_SV; 6518 t0 = tcg_temp_new(); 6519 gen_addr_reg_index(ctx, t0); 6520 6521 switch ((ctx->opcode >> 21) & 0x3) { 6522 case 0: 6523 gen_helper_booke206_tlbilx0(cpu_env, t0); 6524 break; 6525 case 1: 6526 gen_helper_booke206_tlbilx1(cpu_env, t0); 6527 break; 6528 case 3: 6529 gen_helper_booke206_tlbilx3(cpu_env, t0); 6530 break; 6531 default: 6532 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6533 break; 6534 } 6535 6536 tcg_temp_free(t0); 6537 #endif /* defined(CONFIG_USER_ONLY) */ 6538 } 6539 6540 6541 /* wrtee */ 6542 static void gen_wrtee(DisasContext *ctx) 6543 { 6544 #if defined(CONFIG_USER_ONLY) 6545 GEN_PRIV; 6546 #else 6547 TCGv t0; 6548 6549 CHK_SV; 6550 t0 = tcg_temp_new(); 6551 tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE)); 6552 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE)); 6553 tcg_gen_or_tl(cpu_msr, cpu_msr, t0); 6554 tcg_temp_free(t0); 6555 /* 6556 * Stop translation to have a chance to raise an exception if we 6557 * just set msr_ee to 1 6558 */ 6559 gen_stop_exception(ctx); 6560 #endif /* defined(CONFIG_USER_ONLY) */ 6561 } 6562 6563 /* wrteei */ 6564 static void gen_wrteei(DisasContext *ctx) 6565 { 6566 #if defined(CONFIG_USER_ONLY) 6567 GEN_PRIV; 6568 #else 6569 CHK_SV; 6570 if (ctx->opcode & 0x00008000) { 6571 tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE)); 6572 /* Stop translation to have a chance to raise an exception */ 6573 gen_stop_exception(ctx); 6574 } else { 6575 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE)); 6576 } 6577 #endif /* defined(CONFIG_USER_ONLY) */ 6578 } 6579 6580 /* PowerPC 440 specific instructions */ 6581 6582 /* dlmzb */ 6583 static void gen_dlmzb(DisasContext *ctx) 6584 { 6585 TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode)); 6586 gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_env, 6587 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); 6588 tcg_temp_free_i32(t0); 6589 } 6590 6591 /* mbar replaces eieio on 440 */ 6592 static void gen_mbar(DisasContext *ctx) 6593 { 6594 /* interpreted as no-op */ 6595 } 6596 6597 /* msync replaces sync on 440 */ 6598 static void gen_msync_4xx(DisasContext *ctx) 6599 { 6600 /* Only e500 seems to treat reserved bits as invalid */ 6601 if ((ctx->insns_flags2 & PPC2_BOOKE206) && 6602 (ctx->opcode & 0x03FFF801)) { 6603 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 6604 } 6605 /* otherwise interpreted as no-op */ 6606 } 6607 6608 /* icbt */ 6609 static void gen_icbt_440(DisasContext *ctx) 6610 { 6611 /* 6612 * interpreted as no-op 6613 * XXX: specification say this is treated as a load by the MMU but 6614 * does not generate any exception 6615 */ 6616 } 6617 6618 /* Embedded.Processor Control */ 6619 6620 static void gen_msgclr(DisasContext *ctx) 6621 { 6622 #if defined(CONFIG_USER_ONLY) 6623 GEN_PRIV; 6624 #else 6625 CHK_HV; 6626 if (is_book3s_arch2x(ctx)) { 6627 gen_helper_book3s_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]); 6628 } else { 6629 gen_helper_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]); 6630 } 6631 #endif /* defined(CONFIG_USER_ONLY) */ 6632 } 6633 6634 static void gen_msgsnd(DisasContext *ctx) 6635 { 6636 #if defined(CONFIG_USER_ONLY) 6637 GEN_PRIV; 6638 #else 6639 CHK_HV; 6640 if (is_book3s_arch2x(ctx)) { 6641 gen_helper_book3s_msgsnd(cpu_gpr[rB(ctx->opcode)]); 6642 } else { 6643 gen_helper_msgsnd(cpu_gpr[rB(ctx->opcode)]); 6644 } 6645 #endif /* defined(CONFIG_USER_ONLY) */ 6646 } 6647 6648 #if defined(TARGET_PPC64) 6649 static void gen_msgclrp(DisasContext *ctx) 6650 { 6651 #if defined(CONFIG_USER_ONLY) 6652 GEN_PRIV; 6653 #else 6654 CHK_SV; 6655 gen_helper_book3s_msgclrp(cpu_env, cpu_gpr[rB(ctx->opcode)]); 6656 #endif /* defined(CONFIG_USER_ONLY) */ 6657 } 6658 6659 static void gen_msgsndp(DisasContext *ctx) 6660 { 6661 #if defined(CONFIG_USER_ONLY) 6662 GEN_PRIV; 6663 #else 6664 CHK_SV; 6665 gen_helper_book3s_msgsndp(cpu_env, cpu_gpr[rB(ctx->opcode)]); 6666 #endif /* defined(CONFIG_USER_ONLY) */ 6667 } 6668 #endif 6669 6670 static void gen_msgsync(DisasContext *ctx) 6671 { 6672 #if defined(CONFIG_USER_ONLY) 6673 GEN_PRIV; 6674 #else 6675 CHK_HV; 6676 #endif /* defined(CONFIG_USER_ONLY) */ 6677 /* interpreted as no-op */ 6678 } 6679 6680 #if defined(TARGET_PPC64) 6681 static void gen_maddld(DisasContext *ctx) 6682 { 6683 TCGv_i64 t1 = tcg_temp_new_i64(); 6684 6685 tcg_gen_mul_i64(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); 6686 tcg_gen_add_i64(cpu_gpr[rD(ctx->opcode)], t1, cpu_gpr[rC(ctx->opcode)]); 6687 tcg_temp_free_i64(t1); 6688 } 6689 6690 /* maddhd maddhdu */ 6691 static void gen_maddhd_maddhdu(DisasContext *ctx) 6692 { 6693 TCGv_i64 lo = tcg_temp_new_i64(); 6694 TCGv_i64 hi = tcg_temp_new_i64(); 6695 TCGv_i64 t1 = tcg_temp_new_i64(); 6696 6697 if (Rc(ctx->opcode)) { 6698 tcg_gen_mulu2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)], 6699 cpu_gpr[rB(ctx->opcode)]); 6700 tcg_gen_movi_i64(t1, 0); 6701 } else { 6702 tcg_gen_muls2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)], 6703 cpu_gpr[rB(ctx->opcode)]); 6704 tcg_gen_sari_i64(t1, cpu_gpr[rC(ctx->opcode)], 63); 6705 } 6706 tcg_gen_add2_i64(t1, cpu_gpr[rD(ctx->opcode)], lo, hi, 6707 cpu_gpr[rC(ctx->opcode)], t1); 6708 tcg_temp_free_i64(lo); 6709 tcg_temp_free_i64(hi); 6710 tcg_temp_free_i64(t1); 6711 } 6712 #endif /* defined(TARGET_PPC64) */ 6713 6714 static void gen_tbegin(DisasContext *ctx) 6715 { 6716 if (unlikely(!ctx->tm_enabled)) { 6717 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); 6718 return; 6719 } 6720 gen_helper_tbegin(cpu_env); 6721 } 6722 6723 #define GEN_TM_NOOP(name) \ 6724 static inline void gen_##name(DisasContext *ctx) \ 6725 { \ 6726 if (unlikely(!ctx->tm_enabled)) { \ 6727 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \ 6728 return; \ 6729 } \ 6730 /* \ 6731 * Because tbegin always fails in QEMU, these user \ 6732 * space instructions all have a simple implementation: \ 6733 * \ 6734 * CR[0] = 0b0 || MSR[TS] || 0b0 \ 6735 * = 0b0 || 0b00 || 0b0 \ 6736 */ \ 6737 tcg_gen_movi_i32(cpu_crf[0], 0); \ 6738 } 6739 6740 GEN_TM_NOOP(tend); 6741 GEN_TM_NOOP(tabort); 6742 GEN_TM_NOOP(tabortwc); 6743 GEN_TM_NOOP(tabortwci); 6744 GEN_TM_NOOP(tabortdc); 6745 GEN_TM_NOOP(tabortdci); 6746 GEN_TM_NOOP(tsr); 6747 6748 static inline void gen_cp_abort(DisasContext *ctx) 6749 { 6750 /* Do Nothing */ 6751 } 6752 6753 #define GEN_CP_PASTE_NOOP(name) \ 6754 static inline void gen_##name(DisasContext *ctx) \ 6755 { \ 6756 /* \ 6757 * Generate invalid exception until we have an \ 6758 * implementation of the copy paste facility \ 6759 */ \ 6760 gen_invalid(ctx); \ 6761 } 6762 6763 GEN_CP_PASTE_NOOP(copy) 6764 GEN_CP_PASTE_NOOP(paste) 6765 6766 static void gen_tcheck(DisasContext *ctx) 6767 { 6768 if (unlikely(!ctx->tm_enabled)) { 6769 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); 6770 return; 6771 } 6772 /* 6773 * Because tbegin always fails, the tcheck implementation is 6774 * simple: 6775 * 6776 * CR[CRF] = TDOOMED || MSR[TS] || 0b0 6777 * = 0b1 || 0b00 || 0b0 6778 */ 6779 tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], 0x8); 6780 } 6781 6782 #if defined(CONFIG_USER_ONLY) 6783 #define GEN_TM_PRIV_NOOP(name) \ 6784 static inline void gen_##name(DisasContext *ctx) \ 6785 { \ 6786 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); \ 6787 } 6788 6789 #else 6790 6791 #define GEN_TM_PRIV_NOOP(name) \ 6792 static inline void gen_##name(DisasContext *ctx) \ 6793 { \ 6794 CHK_SV; \ 6795 if (unlikely(!ctx->tm_enabled)) { \ 6796 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \ 6797 return; \ 6798 } \ 6799 /* \ 6800 * Because tbegin always fails, the implementation is \ 6801 * simple: \ 6802 * \ 6803 * CR[0] = 0b0 || MSR[TS] || 0b0 \ 6804 * = 0b0 || 0b00 | 0b0 \ 6805 */ \ 6806 tcg_gen_movi_i32(cpu_crf[0], 0); \ 6807 } 6808 6809 #endif 6810 6811 GEN_TM_PRIV_NOOP(treclaim); 6812 GEN_TM_PRIV_NOOP(trechkpt); 6813 6814 static inline void get_fpr(TCGv_i64 dst, int regno) 6815 { 6816 tcg_gen_ld_i64(dst, cpu_env, fpr_offset(regno)); 6817 } 6818 6819 static inline void set_fpr(int regno, TCGv_i64 src) 6820 { 6821 tcg_gen_st_i64(src, cpu_env, fpr_offset(regno)); 6822 } 6823 6824 static inline void get_avr64(TCGv_i64 dst, int regno, bool high) 6825 { 6826 tcg_gen_ld_i64(dst, cpu_env, avr64_offset(regno, high)); 6827 } 6828 6829 static inline void set_avr64(int regno, TCGv_i64 src, bool high) 6830 { 6831 tcg_gen_st_i64(src, cpu_env, avr64_offset(regno, high)); 6832 } 6833 6834 #include "translate/fp-impl.inc.c" 6835 6836 #include "translate/vmx-impl.inc.c" 6837 6838 #include "translate/vsx-impl.inc.c" 6839 6840 #include "translate/dfp-impl.inc.c" 6841 6842 #include "translate/spe-impl.inc.c" 6843 6844 /* Handles lfdp, lxsd, lxssp */ 6845 static void gen_dform39(DisasContext *ctx) 6846 { 6847 switch (ctx->opcode & 0x3) { 6848 case 0: /* lfdp */ 6849 if (ctx->insns_flags2 & PPC2_ISA205) { 6850 return gen_lfdp(ctx); 6851 } 6852 break; 6853 case 2: /* lxsd */ 6854 if (ctx->insns_flags2 & PPC2_ISA300) { 6855 return gen_lxsd(ctx); 6856 } 6857 break; 6858 case 3: /* lxssp */ 6859 if (ctx->insns_flags2 & PPC2_ISA300) { 6860 return gen_lxssp(ctx); 6861 } 6862 break; 6863 } 6864 return gen_invalid(ctx); 6865 } 6866 6867 /* handles stfdp, lxv, stxsd, stxssp lxvx */ 6868 static void gen_dform3D(DisasContext *ctx) 6869 { 6870 if ((ctx->opcode & 3) == 1) { /* DQ-FORM */ 6871 switch (ctx->opcode & 0x7) { 6872 case 1: /* lxv */ 6873 if (ctx->insns_flags2 & PPC2_ISA300) { 6874 return gen_lxv(ctx); 6875 } 6876 break; 6877 case 5: /* stxv */ 6878 if (ctx->insns_flags2 & PPC2_ISA300) { 6879 return gen_stxv(ctx); 6880 } 6881 break; 6882 } 6883 } else { /* DS-FORM */ 6884 switch (ctx->opcode & 0x3) { 6885 case 0: /* stfdp */ 6886 if (ctx->insns_flags2 & PPC2_ISA205) { 6887 return gen_stfdp(ctx); 6888 } 6889 break; 6890 case 2: /* stxsd */ 6891 if (ctx->insns_flags2 & PPC2_ISA300) { 6892 return gen_stxsd(ctx); 6893 } 6894 break; 6895 case 3: /* stxssp */ 6896 if (ctx->insns_flags2 & PPC2_ISA300) { 6897 return gen_stxssp(ctx); 6898 } 6899 break; 6900 } 6901 } 6902 return gen_invalid(ctx); 6903 } 6904 6905 static opcode_t opcodes[] = { 6906 GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE), 6907 GEN_HANDLER(cmp, 0x1F, 0x00, 0x00, 0x00400000, PPC_INTEGER), 6908 GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER), 6909 GEN_HANDLER(cmpl, 0x1F, 0x00, 0x01, 0x00400001, PPC_INTEGER), 6910 GEN_HANDLER(cmpli, 0x0A, 0xFF, 0xFF, 0x00400000, PPC_INTEGER), 6911 #if defined(TARGET_PPC64) 6912 GEN_HANDLER_E(cmpeqb, 0x1F, 0x00, 0x07, 0x00600000, PPC_NONE, PPC2_ISA300), 6913 #endif 6914 GEN_HANDLER_E(cmpb, 0x1F, 0x1C, 0x0F, 0x00000001, PPC_NONE, PPC2_ISA205), 6915 GEN_HANDLER_E(cmprb, 0x1F, 0x00, 0x06, 0x00400001, PPC_NONE, PPC2_ISA300), 6916 GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL), 6917 GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6918 GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6919 GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6920 GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6921 GEN_HANDLER_E(addpcis, 0x13, 0x2, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300), 6922 GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER), 6923 GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER), 6924 GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER), 6925 GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER), 6926 GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6927 #if defined(TARGET_PPC64) 6928 GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B), 6929 #endif 6930 GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER), 6931 GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER), 6932 GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6933 GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6934 GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6935 GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER), 6936 GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300), 6937 GEN_HANDLER_E(copy, 0x1F, 0x06, 0x18, 0x03C00001, PPC_NONE, PPC2_ISA300), 6938 GEN_HANDLER_E(cp_abort, 0x1F, 0x06, 0x1A, 0x03FFF801, PPC_NONE, PPC2_ISA300), 6939 GEN_HANDLER_E(paste, 0x1F, 0x06, 0x1C, 0x03C00000, PPC_NONE, PPC2_ISA300), 6940 GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER), 6941 GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER), 6942 GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6943 GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6944 GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6945 GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6946 GEN_HANDLER(popcntb, 0x1F, 0x1A, 0x03, 0x0000F801, PPC_POPCNTB), 6947 GEN_HANDLER(popcntw, 0x1F, 0x1A, 0x0b, 0x0000F801, PPC_POPCNTWD), 6948 GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205), 6949 #if defined(TARGET_PPC64) 6950 GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD), 6951 GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B), 6952 GEN_HANDLER_E(cnttzd, 0x1F, 0x1A, 0x11, 0x00000000, PPC_NONE, PPC2_ISA300), 6953 GEN_HANDLER_E(darn, 0x1F, 0x13, 0x17, 0x001CF801, PPC_NONE, PPC2_ISA300), 6954 GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205), 6955 GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206), 6956 #endif 6957 GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6958 GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6959 GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6960 GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER), 6961 GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER), 6962 GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER), 6963 GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER), 6964 #if defined(TARGET_PPC64) 6965 GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B), 6966 GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B), 6967 GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B), 6968 GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B), 6969 GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B), 6970 GEN_HANDLER2_E(extswsli0, "extswsli", 0x1F, 0x1A, 0x1B, 0x00000000, 6971 PPC_NONE, PPC2_ISA300), 6972 GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1B, 0x00000000, 6973 PPC_NONE, PPC2_ISA300), 6974 #endif 6975 #if defined(TARGET_PPC64) 6976 GEN_HANDLER(ld, 0x3A, 0xFF, 0xFF, 0x00000000, PPC_64B), 6977 GEN_HANDLER(lq, 0x38, 0xFF, 0xFF, 0x00000000, PPC_64BX), 6978 GEN_HANDLER(std, 0x3E, 0xFF, 0xFF, 0x00000000, PPC_64B), 6979 #endif 6980 /* handles lfdp, lxsd, lxssp */ 6981 GEN_HANDLER_E(dform39, 0x39, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205), 6982 /* handles stfdp, lxv, stxsd, stxssp, stxv */ 6983 GEN_HANDLER_E(dform3D, 0x3D, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205), 6984 GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6985 GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 6986 GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING), 6987 GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING), 6988 GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING), 6989 GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING), 6990 GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x01FFF801, PPC_MEM_EIEIO), 6991 GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM), 6992 GEN_HANDLER_E(lbarx, 0x1F, 0x14, 0x01, 0, PPC_NONE, PPC2_ATOMIC_ISA206), 6993 GEN_HANDLER_E(lharx, 0x1F, 0x14, 0x03, 0, PPC_NONE, PPC2_ATOMIC_ISA206), 6994 GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000000, PPC_RES), 6995 GEN_HANDLER_E(lwat, 0x1F, 0x06, 0x12, 0x00000001, PPC_NONE, PPC2_ISA300), 6996 GEN_HANDLER_E(stwat, 0x1F, 0x06, 0x16, 0x00000001, PPC_NONE, PPC2_ISA300), 6997 GEN_HANDLER_E(stbcx_, 0x1F, 0x16, 0x15, 0, PPC_NONE, PPC2_ATOMIC_ISA206), 6998 GEN_HANDLER_E(sthcx_, 0x1F, 0x16, 0x16, 0, PPC_NONE, PPC2_ATOMIC_ISA206), 6999 GEN_HANDLER2(stwcx_, "stwcx.", 0x1F, 0x16, 0x04, 0x00000000, PPC_RES), 7000 #if defined(TARGET_PPC64) 7001 GEN_HANDLER_E(ldat, 0x1F, 0x06, 0x13, 0x00000001, PPC_NONE, PPC2_ISA300), 7002 GEN_HANDLER_E(stdat, 0x1F, 0x06, 0x17, 0x00000001, PPC_NONE, PPC2_ISA300), 7003 GEN_HANDLER(ldarx, 0x1F, 0x14, 0x02, 0x00000000, PPC_64B), 7004 GEN_HANDLER_E(lqarx, 0x1F, 0x14, 0x08, 0, PPC_NONE, PPC2_LSQ_ISA207), 7005 GEN_HANDLER2(stdcx_, "stdcx.", 0x1F, 0x16, 0x06, 0x00000000, PPC_64B), 7006 GEN_HANDLER_E(stqcx_, 0x1F, 0x16, 0x05, 0, PPC_NONE, PPC2_LSQ_ISA207), 7007 #endif 7008 GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC), 7009 GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT), 7010 GEN_HANDLER_E(wait, 0x1F, 0x1E, 0x00, 0x039FF801, PPC_NONE, PPC2_ISA300), 7011 GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW), 7012 GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW), 7013 GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW), 7014 GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW), 7015 GEN_HANDLER_E(bctar, 0x13, 0x10, 0x11, 0x0000E000, PPC_NONE, PPC2_BCTAR_ISA207), 7016 GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER), 7017 GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW), 7018 #if defined(TARGET_PPC64) 7019 GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B), 7020 GEN_HANDLER_E(stop, 0x13, 0x12, 0x0b, 0x03FFF801, PPC_NONE, PPC2_ISA300), 7021 GEN_HANDLER_E(doze, 0x13, 0x12, 0x0c, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), 7022 GEN_HANDLER_E(nap, 0x13, 0x12, 0x0d, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), 7023 GEN_HANDLER_E(sleep, 0x13, 0x12, 0x0e, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), 7024 GEN_HANDLER_E(rvwinkle, 0x13, 0x12, 0x0f, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), 7025 GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H), 7026 #endif 7027 GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFF01D, PPC_FLOW), 7028 GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW), 7029 GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW), 7030 #if defined(TARGET_PPC64) 7031 GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B), 7032 GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B), 7033 #endif 7034 GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC), 7035 GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC), 7036 GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC), 7037 GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC), 7038 GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB), 7039 GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC), 7040 #if defined(TARGET_PPC64) 7041 GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B), 7042 GEN_HANDLER_E(setb, 0x1F, 0x00, 0x04, 0x0003F801, PPC_NONE, PPC2_ISA300), 7043 GEN_HANDLER_E(mcrxrx, 0x1F, 0x00, 0x12, 0x007FF801, PPC_NONE, PPC2_ISA300), 7044 #endif 7045 GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001EF801, PPC_MISC), 7046 GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC), 7047 GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE), 7048 GEN_HANDLER_E(dcbfep, 0x1F, 0x1F, 0x03, 0x03C00001, PPC_NONE, PPC2_BOOKE206), 7049 GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE), 7050 GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE), 7051 GEN_HANDLER_E(dcbstep, 0x1F, 0x1F, 0x01, 0x03E00001, PPC_NONE, PPC2_BOOKE206), 7052 GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x00000001, PPC_CACHE), 7053 GEN_HANDLER_E(dcbtep, 0x1F, 0x1F, 0x09, 0x00000001, PPC_NONE, PPC2_BOOKE206), 7054 GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x00000001, PPC_CACHE), 7055 GEN_HANDLER_E(dcbtstep, 0x1F, 0x1F, 0x07, 0x00000001, PPC_NONE, PPC2_BOOKE206), 7056 GEN_HANDLER_E(dcbtls, 0x1F, 0x06, 0x05, 0x02000001, PPC_BOOKE, PPC2_BOOKE206), 7057 GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZ), 7058 GEN_HANDLER_E(dcbzep, 0x1F, 0x1F, 0x1F, 0x03C00001, PPC_NONE, PPC2_BOOKE206), 7059 GEN_HANDLER(dst, 0x1F, 0x16, 0x0A, 0x01800001, PPC_ALTIVEC), 7060 GEN_HANDLER(dstst, 0x1F, 0x16, 0x0B, 0x01800001, PPC_ALTIVEC), 7061 GEN_HANDLER(dss, 0x1F, 0x16, 0x19, 0x019FF801, PPC_ALTIVEC), 7062 GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI), 7063 GEN_HANDLER_E(icbiep, 0x1F, 0x1F, 0x1E, 0x03E00001, PPC_NONE, PPC2_BOOKE206), 7064 GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA), 7065 GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT), 7066 GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT), 7067 GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT), 7068 GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT), 7069 #if defined(TARGET_PPC64) 7070 GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B), 7071 GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001, 7072 PPC_SEGMENT_64B), 7073 GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B), 7074 GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001, 7075 PPC_SEGMENT_64B), 7076 GEN_HANDLER2(slbmte, "slbmte", 0x1F, 0x12, 0x0C, 0x001F0001, PPC_SEGMENT_64B), 7077 GEN_HANDLER2(slbmfee, "slbmfee", 0x1F, 0x13, 0x1C, 0x001F0001, PPC_SEGMENT_64B), 7078 GEN_HANDLER2(slbmfev, "slbmfev", 0x1F, 0x13, 0x1A, 0x001F0001, PPC_SEGMENT_64B), 7079 GEN_HANDLER2(slbfee_, "slbfee.", 0x1F, 0x13, 0x1E, 0x001F0000, PPC_SEGMENT_64B), 7080 #endif 7081 GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA), 7082 /* 7083 * XXX Those instructions will need to be handled differently for 7084 * different ISA versions 7085 */ 7086 GEN_HANDLER(tlbiel, 0x1F, 0x12, 0x08, 0x001F0001, PPC_MEM_TLBIE), 7087 GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x001F0001, PPC_MEM_TLBIE), 7088 GEN_HANDLER_E(tlbiel, 0x1F, 0x12, 0x08, 0x00100001, PPC_NONE, PPC2_ISA300), 7089 GEN_HANDLER_E(tlbie, 0x1F, 0x12, 0x09, 0x00100001, PPC_NONE, PPC2_ISA300), 7090 GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC), 7091 #if defined(TARGET_PPC64) 7092 GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x031FFC01, PPC_SLBI), 7093 GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI), 7094 GEN_HANDLER_E(slbieg, 0x1F, 0x12, 0x0E, 0x001F0001, PPC_NONE, PPC2_ISA300), 7095 GEN_HANDLER_E(slbsync, 0x1F, 0x12, 0x0A, 0x03FFF801, PPC_NONE, PPC2_ISA300), 7096 #endif 7097 GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN), 7098 GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN), 7099 GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR), 7100 GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR), 7101 GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR), 7102 GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR), 7103 GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR), 7104 GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR), 7105 GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR), 7106 GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR), 7107 GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR), 7108 GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR), 7109 GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR), 7110 GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR), 7111 GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR), 7112 GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR), 7113 GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR), 7114 GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR), 7115 GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR), 7116 GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR), 7117 GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR), 7118 GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR), 7119 GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR), 7120 GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR), 7121 GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR), 7122 GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR), 7123 GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR), 7124 GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR), 7125 GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR), 7126 GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR), 7127 GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR), 7128 GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR), 7129 GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR), 7130 GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR), 7131 GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR), 7132 GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR), 7133 GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC), 7134 GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC), 7135 GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC), 7136 GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB), 7137 GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB), 7138 GEN_HANDLER2(tlbld_74xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_74xx_TLB), 7139 GEN_HANDLER2(tlbli_74xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_74xx_TLB), 7140 GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER), 7141 GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER), 7142 GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER), 7143 GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER), 7144 GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER), 7145 GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER), 7146 GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2), 7147 GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2), 7148 GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2), 7149 GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2), 7150 GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2), 7151 GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2), 7152 GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2), 7153 GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2), 7154 GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI), 7155 GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA), 7156 GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR), 7157 GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR), 7158 GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX), 7159 GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX), 7160 GEN_HANDLER(mfdcrux, 0x1F, 0x03, 0x09, 0x00000000, PPC_DCRUX), 7161 GEN_HANDLER(mtdcrux, 0x1F, 0x03, 0x0D, 0x00000000, PPC_DCRUX), 7162 GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON), 7163 GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON), 7164 GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT), 7165 GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON), 7166 GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON), 7167 GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP), 7168 GEN_HANDLER_E(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE, PPC2_BOOKE206), 7169 GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI), 7170 GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI), 7171 GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB), 7172 GEN_HANDLER2(tlbsx_40x, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_TLB), 7173 GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB), 7174 GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE), 7175 GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE), 7176 GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE), 7177 GEN_HANDLER2_E(tlbre_booke206, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, 7178 PPC_NONE, PPC2_BOOKE206), 7179 GEN_HANDLER2_E(tlbsx_booke206, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, 7180 PPC_NONE, PPC2_BOOKE206), 7181 GEN_HANDLER2_E(tlbwe_booke206, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, 7182 PPC_NONE, PPC2_BOOKE206), 7183 GEN_HANDLER2_E(tlbivax_booke206, "tlbivax", 0x1F, 0x12, 0x18, 0x00000001, 7184 PPC_NONE, PPC2_BOOKE206), 7185 GEN_HANDLER2_E(tlbilx_booke206, "tlbilx", 0x1F, 0x12, 0x00, 0x03800001, 7186 PPC_NONE, PPC2_BOOKE206), 7187 GEN_HANDLER2_E(msgsnd, "msgsnd", 0x1F, 0x0E, 0x06, 0x03ff0001, 7188 PPC_NONE, PPC2_PRCNTL), 7189 GEN_HANDLER2_E(msgclr, "msgclr", 0x1F, 0x0E, 0x07, 0x03ff0001, 7190 PPC_NONE, PPC2_PRCNTL), 7191 GEN_HANDLER2_E(msgsync, "msgsync", 0x1F, 0x16, 0x1B, 0x00000000, 7192 PPC_NONE, PPC2_PRCNTL), 7193 GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE), 7194 GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000E7C01, PPC_WRTEE), 7195 GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC), 7196 GEN_HANDLER_E(mbar, 0x1F, 0x16, 0x1a, 0x001FF801, 7197 PPC_BOOKE, PPC2_BOOKE206), 7198 GEN_HANDLER(msync_4xx, 0x1F, 0x16, 0x12, 0x039FF801, PPC_BOOKE), 7199 GEN_HANDLER2_E(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001, 7200 PPC_BOOKE, PPC2_BOOKE206), 7201 GEN_HANDLER2(icbt_440, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, 7202 PPC_440_SPEC), 7203 GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC), 7204 GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC), 7205 GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC), 7206 GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC), 7207 GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC), 7208 #if defined(TARGET_PPC64) 7209 GEN_HANDLER_E(maddhd_maddhdu, 0x04, 0x18, 0xFF, 0x00000000, PPC_NONE, 7210 PPC2_ISA300), 7211 GEN_HANDLER_E(maddld, 0x04, 0x19, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300), 7212 GEN_HANDLER2_E(msgsndp, "msgsndp", 0x1F, 0x0E, 0x04, 0x03ff0001, 7213 PPC_NONE, PPC2_ISA207S), 7214 GEN_HANDLER2_E(msgclrp, "msgclrp", 0x1F, 0x0E, 0x05, 0x03ff0001, 7215 PPC_NONE, PPC2_ISA207S), 7216 #endif 7217 7218 #undef GEN_INT_ARITH_ADD 7219 #undef GEN_INT_ARITH_ADD_CONST 7220 #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov) \ 7221 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER), 7222 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, \ 7223 add_ca, compute_ca, compute_ov) \ 7224 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER), 7225 GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0) 7226 GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1) 7227 GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0) 7228 GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1) 7229 GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0) 7230 GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1) 7231 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0) 7232 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1) 7233 GEN_HANDLER_E(addex, 0x1F, 0x0A, 0x05, 0x00000000, PPC_NONE, PPC2_ISA300), 7234 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0) 7235 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1) 7236 7237 #undef GEN_INT_ARITH_DIVW 7238 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \ 7239 GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER) 7240 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0), 7241 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1), 7242 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0), 7243 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1), 7244 GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206), 7245 GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206), 7246 GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206), 7247 GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206), 7248 GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300), 7249 GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300), 7250 7251 #if defined(TARGET_PPC64) 7252 #undef GEN_INT_ARITH_DIVD 7253 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \ 7254 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B) 7255 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0), 7256 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1), 7257 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0), 7258 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1), 7259 7260 GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206), 7261 GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206), 7262 GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206), 7263 GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206), 7264 GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300), 7265 GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300), 7266 7267 #undef GEN_INT_ARITH_MUL_HELPER 7268 #define GEN_INT_ARITH_MUL_HELPER(name, opc3) \ 7269 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B) 7270 GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00), 7271 GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02), 7272 GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17), 7273 #endif 7274 7275 #undef GEN_INT_ARITH_SUBF 7276 #undef GEN_INT_ARITH_SUBF_CONST 7277 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \ 7278 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER), 7279 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \ 7280 add_ca, compute_ca, compute_ov) \ 7281 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER), 7282 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0) 7283 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1) 7284 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0) 7285 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1) 7286 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0) 7287 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1) 7288 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0) 7289 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1) 7290 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0) 7291 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1) 7292 7293 #undef GEN_LOGICAL1 7294 #undef GEN_LOGICAL2 7295 #define GEN_LOGICAL2(name, tcg_op, opc, type) \ 7296 GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type) 7297 #define GEN_LOGICAL1(name, tcg_op, opc, type) \ 7298 GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type) 7299 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER), 7300 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER), 7301 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER), 7302 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER), 7303 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER), 7304 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER), 7305 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER), 7306 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER), 7307 #if defined(TARGET_PPC64) 7308 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B), 7309 #endif 7310 7311 #if defined(TARGET_PPC64) 7312 #undef GEN_PPC64_R2 7313 #undef GEN_PPC64_R4 7314 #define GEN_PPC64_R2(name, opc1, opc2) \ 7315 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\ 7316 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \ 7317 PPC_64B) 7318 #define GEN_PPC64_R4(name, opc1, opc2) \ 7319 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\ 7320 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x01, 0xFF, 0x00000000, \ 7321 PPC_64B), \ 7322 GEN_HANDLER2(name##2, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \ 7323 PPC_64B), \ 7324 GEN_HANDLER2(name##3, stringify(name), opc1, opc2 | 0x11, 0xFF, 0x00000000, \ 7325 PPC_64B) 7326 GEN_PPC64_R4(rldicl, 0x1E, 0x00), 7327 GEN_PPC64_R4(rldicr, 0x1E, 0x02), 7328 GEN_PPC64_R4(rldic, 0x1E, 0x04), 7329 GEN_PPC64_R2(rldcl, 0x1E, 0x08), 7330 GEN_PPC64_R2(rldcr, 0x1E, 0x09), 7331 GEN_PPC64_R4(rldimi, 0x1E, 0x06), 7332 #endif 7333 7334 #undef GEN_LD 7335 #undef GEN_LDU 7336 #undef GEN_LDUX 7337 #undef GEN_LDX_E 7338 #undef GEN_LDS 7339 #define GEN_LD(name, ldop, opc, type) \ 7340 GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type), 7341 #define GEN_LDU(name, ldop, opc, type) \ 7342 GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type), 7343 #define GEN_LDUX(name, ldop, opc2, opc3, type) \ 7344 GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type), 7345 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \ 7346 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2), 7347 #define GEN_LDS(name, ldop, op, type) \ 7348 GEN_LD(name, ldop, op | 0x20, type) \ 7349 GEN_LDU(name, ldop, op | 0x21, type) \ 7350 GEN_LDUX(name, ldop, 0x17, op | 0x01, type) \ 7351 GEN_LDX(name, ldop, 0x17, op | 0x00, type) 7352 7353 GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER) 7354 GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER) 7355 GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER) 7356 GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER) 7357 #if defined(TARGET_PPC64) 7358 GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B) 7359 GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B) 7360 GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B) 7361 GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B) 7362 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE) 7363 7364 /* HV/P7 and later only */ 7365 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST) 7366 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x18, PPC_CILDST) 7367 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST) 7368 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST) 7369 #endif 7370 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER) 7371 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER) 7372 7373 /* External PID based load */ 7374 #undef GEN_LDEPX 7375 #define GEN_LDEPX(name, ldop, opc2, opc3) \ 7376 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3, \ 7377 0x00000001, PPC_NONE, PPC2_BOOKE206), 7378 7379 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02) 7380 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08) 7381 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00) 7382 #if defined(TARGET_PPC64) 7383 GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00) 7384 #endif 7385 7386 #undef GEN_ST 7387 #undef GEN_STU 7388 #undef GEN_STUX 7389 #undef GEN_STX_E 7390 #undef GEN_STS 7391 #define GEN_ST(name, stop, opc, type) \ 7392 GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type), 7393 #define GEN_STU(name, stop, opc, type) \ 7394 GEN_HANDLER(stop##u, opc, 0xFF, 0xFF, 0x00000000, type), 7395 #define GEN_STUX(name, stop, opc2, opc3, type) \ 7396 GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type), 7397 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \ 7398 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000000, type, type2), 7399 #define GEN_STS(name, stop, op, type) \ 7400 GEN_ST(name, stop, op | 0x20, type) \ 7401 GEN_STU(name, stop, op | 0x21, type) \ 7402 GEN_STUX(name, stop, 0x17, op | 0x01, type) \ 7403 GEN_STX(name, stop, 0x17, op | 0x00, type) 7404 7405 GEN_STS(stb, st8, 0x06, PPC_INTEGER) 7406 GEN_STS(sth, st16, 0x0C, PPC_INTEGER) 7407 GEN_STS(stw, st32, 0x04, PPC_INTEGER) 7408 #if defined(TARGET_PPC64) 7409 GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B) 7410 GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B) 7411 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE) 7412 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST) 7413 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST) 7414 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST) 7415 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST) 7416 #endif 7417 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER) 7418 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER) 7419 7420 #undef GEN_STEPX 7421 #define GEN_STEPX(name, ldop, opc2, opc3) \ 7422 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3, \ 7423 0x00000001, PPC_NONE, PPC2_BOOKE206), 7424 7425 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06) 7426 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C) 7427 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04) 7428 #if defined(TARGET_PPC64) 7429 GEN_STEPX(std, DEF_MEMOP(MO_Q), 0x1D, 0x04) 7430 #endif 7431 7432 #undef GEN_CRLOGIC 7433 #define GEN_CRLOGIC(name, tcg_op, opc) \ 7434 GEN_HANDLER(name, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER) 7435 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08), 7436 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04), 7437 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09), 7438 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07), 7439 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01), 7440 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E), 7441 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D), 7442 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06), 7443 7444 #undef GEN_MAC_HANDLER 7445 #define GEN_MAC_HANDLER(name, opc2, opc3) \ 7446 GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC) 7447 GEN_MAC_HANDLER(macchw, 0x0C, 0x05), 7448 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15), 7449 GEN_MAC_HANDLER(macchws, 0x0C, 0x07), 7450 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17), 7451 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06), 7452 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16), 7453 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04), 7454 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14), 7455 GEN_MAC_HANDLER(machhw, 0x0C, 0x01), 7456 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11), 7457 GEN_MAC_HANDLER(machhws, 0x0C, 0x03), 7458 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13), 7459 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02), 7460 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12), 7461 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00), 7462 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10), 7463 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D), 7464 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D), 7465 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F), 7466 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F), 7467 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C), 7468 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C), 7469 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E), 7470 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E), 7471 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05), 7472 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15), 7473 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07), 7474 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17), 7475 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01), 7476 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11), 7477 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03), 7478 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13), 7479 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D), 7480 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D), 7481 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F), 7482 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F), 7483 GEN_MAC_HANDLER(mulchw, 0x08, 0x05), 7484 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04), 7485 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01), 7486 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00), 7487 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D), 7488 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C), 7489 7490 GEN_HANDLER2_E(tbegin, "tbegin", 0x1F, 0x0E, 0x14, 0x01DFF800, \ 7491 PPC_NONE, PPC2_TM), 7492 GEN_HANDLER2_E(tend, "tend", 0x1F, 0x0E, 0x15, 0x01FFF800, \ 7493 PPC_NONE, PPC2_TM), 7494 GEN_HANDLER2_E(tabort, "tabort", 0x1F, 0x0E, 0x1C, 0x03E0F800, \ 7495 PPC_NONE, PPC2_TM), 7496 GEN_HANDLER2_E(tabortwc, "tabortwc", 0x1F, 0x0E, 0x18, 0x00000000, \ 7497 PPC_NONE, PPC2_TM), 7498 GEN_HANDLER2_E(tabortwci, "tabortwci", 0x1F, 0x0E, 0x1A, 0x00000000, \ 7499 PPC_NONE, PPC2_TM), 7500 GEN_HANDLER2_E(tabortdc, "tabortdc", 0x1F, 0x0E, 0x19, 0x00000000, \ 7501 PPC_NONE, PPC2_TM), 7502 GEN_HANDLER2_E(tabortdci, "tabortdci", 0x1F, 0x0E, 0x1B, 0x00000000, \ 7503 PPC_NONE, PPC2_TM), 7504 GEN_HANDLER2_E(tsr, "tsr", 0x1F, 0x0E, 0x17, 0x03DFF800, \ 7505 PPC_NONE, PPC2_TM), 7506 GEN_HANDLER2_E(tcheck, "tcheck", 0x1F, 0x0E, 0x16, 0x007FF800, \ 7507 PPC_NONE, PPC2_TM), 7508 GEN_HANDLER2_E(treclaim, "treclaim", 0x1F, 0x0E, 0x1D, 0x03E0F800, \ 7509 PPC_NONE, PPC2_TM), 7510 GEN_HANDLER2_E(trechkpt, "trechkpt", 0x1F, 0x0E, 0x1F, 0x03FFF800, \ 7511 PPC_NONE, PPC2_TM), 7512 7513 #include "translate/fp-ops.inc.c" 7514 7515 #include "translate/vmx-ops.inc.c" 7516 7517 #include "translate/vsx-ops.inc.c" 7518 7519 #include "translate/dfp-ops.inc.c" 7520 7521 #include "translate/spe-ops.inc.c" 7522 }; 7523 7524 #include "helper_regs.h" 7525 #include "translate_init.inc.c" 7526 7527 /*****************************************************************************/ 7528 /* Misc PowerPC helpers */ 7529 void ppc_cpu_dump_state(CPUState *cs, FILE *f, int flags) 7530 { 7531 #define RGPL 4 7532 #define RFPL 4 7533 7534 PowerPCCPU *cpu = POWERPC_CPU(cs); 7535 CPUPPCState *env = &cpu->env; 7536 int i; 7537 7538 qemu_fprintf(f, "NIP " TARGET_FMT_lx " LR " TARGET_FMT_lx " CTR " 7539 TARGET_FMT_lx " XER " TARGET_FMT_lx " CPU#%d\n", 7540 env->nip, env->lr, env->ctr, cpu_read_xer(env), 7541 cs->cpu_index); 7542 qemu_fprintf(f, "MSR " TARGET_FMT_lx " HID0 " TARGET_FMT_lx " HF " 7543 TARGET_FMT_lx " iidx %d didx %d\n", 7544 env->msr, env->spr[SPR_HID0], 7545 env->hflags, env->immu_idx, env->dmmu_idx); 7546 #if !defined(NO_TIMER_DUMP) 7547 qemu_fprintf(f, "TB %08" PRIu32 " %08" PRIu64 7548 #if !defined(CONFIG_USER_ONLY) 7549 " DECR " TARGET_FMT_lu 7550 #endif 7551 "\n", 7552 cpu_ppc_load_tbu(env), cpu_ppc_load_tbl(env) 7553 #if !defined(CONFIG_USER_ONLY) 7554 , cpu_ppc_load_decr(env) 7555 #endif 7556 ); 7557 #endif 7558 for (i = 0; i < 32; i++) { 7559 if ((i & (RGPL - 1)) == 0) { 7560 qemu_fprintf(f, "GPR%02d", i); 7561 } 7562 qemu_fprintf(f, " %016" PRIx64, ppc_dump_gpr(env, i)); 7563 if ((i & (RGPL - 1)) == (RGPL - 1)) { 7564 qemu_fprintf(f, "\n"); 7565 } 7566 } 7567 qemu_fprintf(f, "CR "); 7568 for (i = 0; i < 8; i++) 7569 qemu_fprintf(f, "%01x", env->crf[i]); 7570 qemu_fprintf(f, " ["); 7571 for (i = 0; i < 8; i++) { 7572 char a = '-'; 7573 if (env->crf[i] & 0x08) { 7574 a = 'L'; 7575 } else if (env->crf[i] & 0x04) { 7576 a = 'G'; 7577 } else if (env->crf[i] & 0x02) { 7578 a = 'E'; 7579 } 7580 qemu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' '); 7581 } 7582 qemu_fprintf(f, " ] RES " TARGET_FMT_lx "\n", 7583 env->reserve_addr); 7584 7585 if (flags & CPU_DUMP_FPU) { 7586 for (i = 0; i < 32; i++) { 7587 if ((i & (RFPL - 1)) == 0) { 7588 qemu_fprintf(f, "FPR%02d", i); 7589 } 7590 qemu_fprintf(f, " %016" PRIx64, *cpu_fpr_ptr(env, i)); 7591 if ((i & (RFPL - 1)) == (RFPL - 1)) { 7592 qemu_fprintf(f, "\n"); 7593 } 7594 } 7595 qemu_fprintf(f, "FPSCR " TARGET_FMT_lx "\n", env->fpscr); 7596 } 7597 7598 #if !defined(CONFIG_USER_ONLY) 7599 qemu_fprintf(f, " SRR0 " TARGET_FMT_lx " SRR1 " TARGET_FMT_lx 7600 " PVR " TARGET_FMT_lx " VRSAVE " TARGET_FMT_lx "\n", 7601 env->spr[SPR_SRR0], env->spr[SPR_SRR1], 7602 env->spr[SPR_PVR], env->spr[SPR_VRSAVE]); 7603 7604 qemu_fprintf(f, "SPRG0 " TARGET_FMT_lx " SPRG1 " TARGET_FMT_lx 7605 " SPRG2 " TARGET_FMT_lx " SPRG3 " TARGET_FMT_lx "\n", 7606 env->spr[SPR_SPRG0], env->spr[SPR_SPRG1], 7607 env->spr[SPR_SPRG2], env->spr[SPR_SPRG3]); 7608 7609 qemu_fprintf(f, "SPRG4 " TARGET_FMT_lx " SPRG5 " TARGET_FMT_lx 7610 " SPRG6 " TARGET_FMT_lx " SPRG7 " TARGET_FMT_lx "\n", 7611 env->spr[SPR_SPRG4], env->spr[SPR_SPRG5], 7612 env->spr[SPR_SPRG6], env->spr[SPR_SPRG7]); 7613 7614 #if defined(TARGET_PPC64) 7615 if (env->excp_model == POWERPC_EXCP_POWER7 || 7616 env->excp_model == POWERPC_EXCP_POWER8 || 7617 env->excp_model == POWERPC_EXCP_POWER9) { 7618 qemu_fprintf(f, "HSRR0 " TARGET_FMT_lx " HSRR1 " TARGET_FMT_lx "\n", 7619 env->spr[SPR_HSRR0], env->spr[SPR_HSRR1]); 7620 } 7621 #endif 7622 if (env->excp_model == POWERPC_EXCP_BOOKE) { 7623 qemu_fprintf(f, "CSRR0 " TARGET_FMT_lx " CSRR1 " TARGET_FMT_lx 7624 " MCSRR0 " TARGET_FMT_lx " MCSRR1 " TARGET_FMT_lx "\n", 7625 env->spr[SPR_BOOKE_CSRR0], env->spr[SPR_BOOKE_CSRR1], 7626 env->spr[SPR_BOOKE_MCSRR0], env->spr[SPR_BOOKE_MCSRR1]); 7627 7628 qemu_fprintf(f, " TCR " TARGET_FMT_lx " TSR " TARGET_FMT_lx 7629 " ESR " TARGET_FMT_lx " DEAR " TARGET_FMT_lx "\n", 7630 env->spr[SPR_BOOKE_TCR], env->spr[SPR_BOOKE_TSR], 7631 env->spr[SPR_BOOKE_ESR], env->spr[SPR_BOOKE_DEAR]); 7632 7633 qemu_fprintf(f, " PIR " TARGET_FMT_lx " DECAR " TARGET_FMT_lx 7634 " IVPR " TARGET_FMT_lx " EPCR " TARGET_FMT_lx "\n", 7635 env->spr[SPR_BOOKE_PIR], env->spr[SPR_BOOKE_DECAR], 7636 env->spr[SPR_BOOKE_IVPR], env->spr[SPR_BOOKE_EPCR]); 7637 7638 qemu_fprintf(f, " MCSR " TARGET_FMT_lx " SPRG8 " TARGET_FMT_lx 7639 " EPR " TARGET_FMT_lx "\n", 7640 env->spr[SPR_BOOKE_MCSR], env->spr[SPR_BOOKE_SPRG8], 7641 env->spr[SPR_BOOKE_EPR]); 7642 7643 /* FSL-specific */ 7644 qemu_fprintf(f, " MCAR " TARGET_FMT_lx " PID1 " TARGET_FMT_lx 7645 " PID2 " TARGET_FMT_lx " SVR " TARGET_FMT_lx "\n", 7646 env->spr[SPR_Exxx_MCAR], env->spr[SPR_BOOKE_PID1], 7647 env->spr[SPR_BOOKE_PID2], env->spr[SPR_E500_SVR]); 7648 7649 /* 7650 * IVORs are left out as they are large and do not change often -- 7651 * they can be read with "p $ivor0", "p $ivor1", etc. 7652 */ 7653 } 7654 7655 #if defined(TARGET_PPC64) 7656 if (env->flags & POWERPC_FLAG_CFAR) { 7657 qemu_fprintf(f, " CFAR " TARGET_FMT_lx"\n", env->cfar); 7658 } 7659 #endif 7660 7661 if (env->spr_cb[SPR_LPCR].name) { 7662 qemu_fprintf(f, " LPCR " TARGET_FMT_lx "\n", env->spr[SPR_LPCR]); 7663 } 7664 7665 switch (env->mmu_model) { 7666 case POWERPC_MMU_32B: 7667 case POWERPC_MMU_601: 7668 case POWERPC_MMU_SOFT_6xx: 7669 case POWERPC_MMU_SOFT_74xx: 7670 #if defined(TARGET_PPC64) 7671 case POWERPC_MMU_64B: 7672 case POWERPC_MMU_2_03: 7673 case POWERPC_MMU_2_06: 7674 case POWERPC_MMU_2_07: 7675 case POWERPC_MMU_3_00: 7676 #endif 7677 if (env->spr_cb[SPR_SDR1].name) { /* SDR1 Exists */ 7678 qemu_fprintf(f, " SDR1 " TARGET_FMT_lx " ", env->spr[SPR_SDR1]); 7679 } 7680 if (env->spr_cb[SPR_PTCR].name) { /* PTCR Exists */ 7681 qemu_fprintf(f, " PTCR " TARGET_FMT_lx " ", env->spr[SPR_PTCR]); 7682 } 7683 qemu_fprintf(f, " DAR " TARGET_FMT_lx " DSISR " TARGET_FMT_lx "\n", 7684 env->spr[SPR_DAR], env->spr[SPR_DSISR]); 7685 break; 7686 case POWERPC_MMU_BOOKE206: 7687 qemu_fprintf(f, " MAS0 " TARGET_FMT_lx " MAS1 " TARGET_FMT_lx 7688 " MAS2 " TARGET_FMT_lx " MAS3 " TARGET_FMT_lx "\n", 7689 env->spr[SPR_BOOKE_MAS0], env->spr[SPR_BOOKE_MAS1], 7690 env->spr[SPR_BOOKE_MAS2], env->spr[SPR_BOOKE_MAS3]); 7691 7692 qemu_fprintf(f, " MAS4 " TARGET_FMT_lx " MAS6 " TARGET_FMT_lx 7693 " MAS7 " TARGET_FMT_lx " PID " TARGET_FMT_lx "\n", 7694 env->spr[SPR_BOOKE_MAS4], env->spr[SPR_BOOKE_MAS6], 7695 env->spr[SPR_BOOKE_MAS7], env->spr[SPR_BOOKE_PID]); 7696 7697 qemu_fprintf(f, "MMUCFG " TARGET_FMT_lx " TLB0CFG " TARGET_FMT_lx 7698 " TLB1CFG " TARGET_FMT_lx "\n", 7699 env->spr[SPR_MMUCFG], env->spr[SPR_BOOKE_TLB0CFG], 7700 env->spr[SPR_BOOKE_TLB1CFG]); 7701 break; 7702 default: 7703 break; 7704 } 7705 #endif 7706 7707 #undef RGPL 7708 #undef RFPL 7709 } 7710 7711 void ppc_cpu_dump_statistics(CPUState *cs, int flags) 7712 { 7713 #if defined(DO_PPC_STATISTICS) 7714 PowerPCCPU *cpu = POWERPC_CPU(cs); 7715 opc_handler_t **t1, **t2, **t3, *handler; 7716 int op1, op2, op3; 7717 7718 t1 = cpu->env.opcodes; 7719 for (op1 = 0; op1 < 64; op1++) { 7720 handler = t1[op1]; 7721 if (is_indirect_opcode(handler)) { 7722 t2 = ind_table(handler); 7723 for (op2 = 0; op2 < 32; op2++) { 7724 handler = t2[op2]; 7725 if (is_indirect_opcode(handler)) { 7726 t3 = ind_table(handler); 7727 for (op3 = 0; op3 < 32; op3++) { 7728 handler = t3[op3]; 7729 if (handler->count == 0) { 7730 continue; 7731 } 7732 qemu_printf("%02x %02x %02x (%02x %04d) %16s: " 7733 "%016" PRIx64 " %" PRId64 "\n", 7734 op1, op2, op3, op1, (op3 << 5) | op2, 7735 handler->oname, 7736 handler->count, handler->count); 7737 } 7738 } else { 7739 if (handler->count == 0) { 7740 continue; 7741 } 7742 qemu_printf("%02x %02x (%02x %04d) %16s: " 7743 "%016" PRIx64 " %" PRId64 "\n", 7744 op1, op2, op1, op2, handler->oname, 7745 handler->count, handler->count); 7746 } 7747 } 7748 } else { 7749 if (handler->count == 0) { 7750 continue; 7751 } 7752 qemu_printf("%02x (%02x ) %16s: %016" PRIx64 7753 " %" PRId64 "\n", 7754 op1, op1, handler->oname, 7755 handler->count, handler->count); 7756 } 7757 } 7758 #endif 7759 } 7760 7761 static void ppc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) 7762 { 7763 DisasContext *ctx = container_of(dcbase, DisasContext, base); 7764 CPUPPCState *env = cs->env_ptr; 7765 int bound; 7766 7767 ctx->exception = POWERPC_EXCP_NONE; 7768 ctx->spr_cb = env->spr_cb; 7769 ctx->pr = msr_pr; 7770 ctx->mem_idx = env->dmmu_idx; 7771 ctx->dr = msr_dr; 7772 #if !defined(CONFIG_USER_ONLY) 7773 ctx->hv = msr_hv || !env->has_hv_mode; 7774 #endif 7775 ctx->insns_flags = env->insns_flags; 7776 ctx->insns_flags2 = env->insns_flags2; 7777 ctx->access_type = -1; 7778 ctx->need_access_type = !(env->mmu_model & POWERPC_MMU_64B); 7779 ctx->le_mode = !!(env->hflags & (1 << MSR_LE)); 7780 ctx->default_tcg_memop_mask = ctx->le_mode ? MO_LE : MO_BE; 7781 ctx->flags = env->flags; 7782 #if defined(TARGET_PPC64) 7783 ctx->sf_mode = msr_is_64bit(env, env->msr); 7784 ctx->has_cfar = !!(env->flags & POWERPC_FLAG_CFAR); 7785 #endif 7786 ctx->lazy_tlb_flush = env->mmu_model == POWERPC_MMU_32B 7787 || env->mmu_model == POWERPC_MMU_601 7788 || (env->mmu_model & POWERPC_MMU_64B); 7789 7790 ctx->fpu_enabled = !!msr_fp; 7791 if ((env->flags & POWERPC_FLAG_SPE) && msr_spe) { 7792 ctx->spe_enabled = !!msr_spe; 7793 } else { 7794 ctx->spe_enabled = false; 7795 } 7796 if ((env->flags & POWERPC_FLAG_VRE) && msr_vr) { 7797 ctx->altivec_enabled = !!msr_vr; 7798 } else { 7799 ctx->altivec_enabled = false; 7800 } 7801 if ((env->flags & POWERPC_FLAG_VSX) && msr_vsx) { 7802 ctx->vsx_enabled = !!msr_vsx; 7803 } else { 7804 ctx->vsx_enabled = false; 7805 } 7806 #if defined(TARGET_PPC64) 7807 if ((env->flags & POWERPC_FLAG_TM) && msr_tm) { 7808 ctx->tm_enabled = !!msr_tm; 7809 } else { 7810 ctx->tm_enabled = false; 7811 } 7812 #endif 7813 ctx->gtse = !!(env->spr[SPR_LPCR] & LPCR_GTSE); 7814 if ((env->flags & POWERPC_FLAG_SE) && msr_se) { 7815 ctx->singlestep_enabled = CPU_SINGLE_STEP; 7816 } else { 7817 ctx->singlestep_enabled = 0; 7818 } 7819 if ((env->flags & POWERPC_FLAG_BE) && msr_be) { 7820 ctx->singlestep_enabled |= CPU_BRANCH_STEP; 7821 } 7822 if ((env->flags & POWERPC_FLAG_DE) && msr_de) { 7823 ctx->singlestep_enabled = 0; 7824 target_ulong dbcr0 = env->spr[SPR_BOOKE_DBCR0]; 7825 if (dbcr0 & DBCR0_ICMP) { 7826 ctx->singlestep_enabled |= CPU_SINGLE_STEP; 7827 } 7828 if (dbcr0 & DBCR0_BRT) { 7829 ctx->singlestep_enabled |= CPU_BRANCH_STEP; 7830 } 7831 7832 } 7833 if (unlikely(ctx->base.singlestep_enabled)) { 7834 ctx->singlestep_enabled |= GDBSTUB_SINGLE_STEP; 7835 } 7836 #if defined(DO_SINGLE_STEP) && 0 7837 /* Single step trace mode */ 7838 msr_se = 1; 7839 #endif 7840 7841 bound = -(ctx->base.pc_first | TARGET_PAGE_MASK) / 4; 7842 ctx->base.max_insns = MIN(ctx->base.max_insns, bound); 7843 } 7844 7845 static void ppc_tr_tb_start(DisasContextBase *db, CPUState *cs) 7846 { 7847 } 7848 7849 static void ppc_tr_insn_start(DisasContextBase *dcbase, CPUState *cs) 7850 { 7851 tcg_gen_insn_start(dcbase->pc_next); 7852 } 7853 7854 static bool ppc_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs, 7855 const CPUBreakpoint *bp) 7856 { 7857 DisasContext *ctx = container_of(dcbase, DisasContext, base); 7858 7859 gen_debug_exception(ctx); 7860 dcbase->is_jmp = DISAS_NORETURN; 7861 /* 7862 * The address covered by the breakpoint must be included in 7863 * [tb->pc, tb->pc + tb->size) in order to for it to be properly 7864 * cleared -- thus we increment the PC here so that the logic 7865 * setting tb->size below does the right thing. 7866 */ 7867 ctx->base.pc_next += 4; 7868 return true; 7869 } 7870 7871 static void ppc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) 7872 { 7873 DisasContext *ctx = container_of(dcbase, DisasContext, base); 7874 PowerPCCPU *cpu = POWERPC_CPU(cs); 7875 CPUPPCState *env = cs->env_ptr; 7876 opc_handler_t **table, *handler; 7877 7878 LOG_DISAS("----------------\n"); 7879 LOG_DISAS("nip=" TARGET_FMT_lx " super=%d ir=%d\n", 7880 ctx->base.pc_next, ctx->mem_idx, (int)msr_ir); 7881 7882 ctx->opcode = translator_ldl_swap(env, ctx->base.pc_next, 7883 need_byteswap(ctx)); 7884 7885 LOG_DISAS("translate opcode %08x (%02x %02x %02x %02x) (%s)\n", 7886 ctx->opcode, opc1(ctx->opcode), opc2(ctx->opcode), 7887 opc3(ctx->opcode), opc4(ctx->opcode), 7888 ctx->le_mode ? "little" : "big"); 7889 ctx->base.pc_next += 4; 7890 table = cpu->opcodes; 7891 handler = table[opc1(ctx->opcode)]; 7892 if (is_indirect_opcode(handler)) { 7893 table = ind_table(handler); 7894 handler = table[opc2(ctx->opcode)]; 7895 if (is_indirect_opcode(handler)) { 7896 table = ind_table(handler); 7897 handler = table[opc3(ctx->opcode)]; 7898 if (is_indirect_opcode(handler)) { 7899 table = ind_table(handler); 7900 handler = table[opc4(ctx->opcode)]; 7901 } 7902 } 7903 } 7904 /* Is opcode *REALLY* valid ? */ 7905 if (unlikely(handler->handler == &gen_invalid)) { 7906 qemu_log_mask(LOG_GUEST_ERROR, "invalid/unsupported opcode: " 7907 "%02x - %02x - %02x - %02x (%08x) " 7908 TARGET_FMT_lx " %d\n", 7909 opc1(ctx->opcode), opc2(ctx->opcode), 7910 opc3(ctx->opcode), opc4(ctx->opcode), 7911 ctx->opcode, ctx->base.pc_next - 4, (int)msr_ir); 7912 } else { 7913 uint32_t inval; 7914 7915 if (unlikely(handler->type & (PPC_SPE | PPC_SPE_SINGLE | PPC_SPE_DOUBLE) 7916 && Rc(ctx->opcode))) { 7917 inval = handler->inval2; 7918 } else { 7919 inval = handler->inval1; 7920 } 7921 7922 if (unlikely((ctx->opcode & inval) != 0)) { 7923 qemu_log_mask(LOG_GUEST_ERROR, "invalid bits: %08x for opcode: " 7924 "%02x - %02x - %02x - %02x (%08x) " 7925 TARGET_FMT_lx "\n", ctx->opcode & inval, 7926 opc1(ctx->opcode), opc2(ctx->opcode), 7927 opc3(ctx->opcode), opc4(ctx->opcode), 7928 ctx->opcode, ctx->base.pc_next - 4); 7929 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); 7930 ctx->base.is_jmp = DISAS_NORETURN; 7931 return; 7932 } 7933 } 7934 (*(handler->handler))(ctx); 7935 #if defined(DO_PPC_STATISTICS) 7936 handler->count++; 7937 #endif 7938 /* Check trace mode exceptions */ 7939 if (unlikely(ctx->singlestep_enabled & CPU_SINGLE_STEP && 7940 (ctx->base.pc_next <= 0x100 || ctx->base.pc_next > 0xF00) && 7941 ctx->exception != POWERPC_SYSCALL && 7942 ctx->exception != POWERPC_EXCP_TRAP && 7943 ctx->exception != POWERPC_EXCP_BRANCH)) { 7944 uint32_t excp = gen_prep_dbgex(ctx); 7945 gen_exception_nip(ctx, excp, ctx->base.pc_next); 7946 } 7947 7948 if (tcg_check_temp_count()) { 7949 qemu_log("Opcode %02x %02x %02x %02x (%08x) leaked " 7950 "temporaries\n", opc1(ctx->opcode), opc2(ctx->opcode), 7951 opc3(ctx->opcode), opc4(ctx->opcode), ctx->opcode); 7952 } 7953 7954 ctx->base.is_jmp = ctx->exception == POWERPC_EXCP_NONE ? 7955 DISAS_NEXT : DISAS_NORETURN; 7956 } 7957 7958 static void ppc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs) 7959 { 7960 DisasContext *ctx = container_of(dcbase, DisasContext, base); 7961 7962 if (ctx->exception == POWERPC_EXCP_NONE) { 7963 gen_goto_tb(ctx, 0, ctx->base.pc_next); 7964 } else if (ctx->exception != POWERPC_EXCP_BRANCH) { 7965 if (unlikely(ctx->base.singlestep_enabled)) { 7966 gen_debug_exception(ctx); 7967 } 7968 /* Generate the return instruction */ 7969 tcg_gen_exit_tb(NULL, 0); 7970 } 7971 } 7972 7973 static void ppc_tr_disas_log(const DisasContextBase *dcbase, CPUState *cs) 7974 { 7975 qemu_log("IN: %s\n", lookup_symbol(dcbase->pc_first)); 7976 log_target_disas(cs, dcbase->pc_first, dcbase->tb->size); 7977 } 7978 7979 static const TranslatorOps ppc_tr_ops = { 7980 .init_disas_context = ppc_tr_init_disas_context, 7981 .tb_start = ppc_tr_tb_start, 7982 .insn_start = ppc_tr_insn_start, 7983 .breakpoint_check = ppc_tr_breakpoint_check, 7984 .translate_insn = ppc_tr_translate_insn, 7985 .tb_stop = ppc_tr_tb_stop, 7986 .disas_log = ppc_tr_disas_log, 7987 }; 7988 7989 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns) 7990 { 7991 DisasContext ctx; 7992 7993 translator_loop(&ppc_tr_ops, &ctx.base, cs, tb, max_insns); 7994 } 7995 7996 void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb, 7997 target_ulong *data) 7998 { 7999 env->nip = data[0]; 8000 } 8001