helper.c (21117B)
1 /* 2 * i386 helpers (without register variable usage) 3 * 4 * Copyright (c) 2003 Fabrice Bellard 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #include "qemu/osdep.h" 21 #include "qapi/qapi-events-run-state.h" 22 #include "cpu.h" 23 #include "exec/exec-all.h" 24 #include "sysemu/runstate.h" 25 #include "kvm/kvm_i386.h" 26 #ifndef CONFIG_USER_ONLY 27 #include "sysemu/hw_accel.h" 28 #include "monitor/monitor.h" 29 #endif 30 #include "qemu/log.h" 31 32 void cpu_sync_avx_hflag(CPUX86State *env) 33 { 34 if ((env->cr[4] & CR4_OSXSAVE_MASK) 35 && (env->xcr0 & (XSTATE_SSE_MASK | XSTATE_YMM_MASK)) 36 == (XSTATE_SSE_MASK | XSTATE_YMM_MASK)) { 37 env->hflags |= HF_AVX_EN_MASK; 38 } else{ 39 env->hflags &= ~HF_AVX_EN_MASK; 40 } 41 } 42 43 void cpu_sync_bndcs_hflags(CPUX86State *env) 44 { 45 uint32_t hflags = env->hflags; 46 uint32_t hflags2 = env->hflags2; 47 uint32_t bndcsr; 48 49 if ((hflags & HF_CPL_MASK) == 3) { 50 bndcsr = env->bndcs_regs.cfgu; 51 } else { 52 bndcsr = env->msr_bndcfgs; 53 } 54 55 if ((env->cr[4] & CR4_OSXSAVE_MASK) 56 && (env->xcr0 & XSTATE_BNDCSR_MASK) 57 && (bndcsr & BNDCFG_ENABLE)) { 58 hflags |= HF_MPX_EN_MASK; 59 } else { 60 hflags &= ~HF_MPX_EN_MASK; 61 } 62 63 if (bndcsr & BNDCFG_BNDPRESERVE) { 64 hflags2 |= HF2_MPX_PR_MASK; 65 } else { 66 hflags2 &= ~HF2_MPX_PR_MASK; 67 } 68 69 env->hflags = hflags; 70 env->hflags2 = hflags2; 71 } 72 73 static void cpu_x86_version(CPUX86State *env, int *family, int *model) 74 { 75 int cpuver = env->cpuid_version; 76 77 if (family == NULL || model == NULL) { 78 return; 79 } 80 81 *family = (cpuver >> 8) & 0x0f; 82 *model = ((cpuver >> 12) & 0xf0) + ((cpuver >> 4) & 0x0f); 83 } 84 85 /* Broadcast MCA signal for processor version 06H_EH and above */ 86 int cpu_x86_support_mca_broadcast(CPUX86State *env) 87 { 88 int family = 0; 89 int model = 0; 90 91 cpu_x86_version(env, &family, &model); 92 if ((family == 6 && model >= 14) || family > 6) { 93 return 1; 94 } 95 96 return 0; 97 } 98 99 /***********************************************************/ 100 /* x86 mmu */ 101 /* XXX: add PGE support */ 102 103 void x86_cpu_set_a20(X86CPU *cpu, int a20_state) 104 { 105 CPUX86State *env = &cpu->env; 106 107 a20_state = (a20_state != 0); 108 if (a20_state != ((env->a20_mask >> 20) & 1)) { 109 CPUState *cs = CPU(cpu); 110 111 qemu_log_mask(CPU_LOG_MMU, "A20 update: a20=%d\n", a20_state); 112 /* if the cpu is currently executing code, we must unlink it and 113 all the potentially executing TB */ 114 cpu_interrupt(cs, CPU_INTERRUPT_EXITTB); 115 116 /* when a20 is changed, all the MMU mappings are invalid, so 117 we must flush everything */ 118 tlb_flush(cs); 119 env->a20_mask = ~(1 << 20) | (a20_state << 20); 120 } 121 } 122 123 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0) 124 { 125 X86CPU *cpu = env_archcpu(env); 126 int pe_state; 127 128 qemu_log_mask(CPU_LOG_MMU, "CR0 update: CR0=0x%08x\n", new_cr0); 129 if ((new_cr0 & (CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK)) != 130 (env->cr[0] & (CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK))) { 131 tlb_flush(CPU(cpu)); 132 } 133 134 #ifdef TARGET_X86_64 135 if (!(env->cr[0] & CR0_PG_MASK) && (new_cr0 & CR0_PG_MASK) && 136 (env->efer & MSR_EFER_LME)) { 137 /* enter in long mode */ 138 /* XXX: generate an exception */ 139 if (!(env->cr[4] & CR4_PAE_MASK)) 140 return; 141 env->efer |= MSR_EFER_LMA; 142 env->hflags |= HF_LMA_MASK; 143 } else if ((env->cr[0] & CR0_PG_MASK) && !(new_cr0 & CR0_PG_MASK) && 144 (env->efer & MSR_EFER_LMA)) { 145 /* exit long mode */ 146 env->efer &= ~MSR_EFER_LMA; 147 env->hflags &= ~(HF_LMA_MASK | HF_CS64_MASK); 148 env->eip &= 0xffffffff; 149 } 150 #endif 151 env->cr[0] = new_cr0 | CR0_ET_MASK; 152 153 /* update PE flag in hidden flags */ 154 pe_state = (env->cr[0] & CR0_PE_MASK); 155 env->hflags = (env->hflags & ~HF_PE_MASK) | (pe_state << HF_PE_SHIFT); 156 /* ensure that ADDSEG is always set in real mode */ 157 env->hflags |= ((pe_state ^ 1) << HF_ADDSEG_SHIFT); 158 /* update FPU flags */ 159 env->hflags = (env->hflags & ~(HF_MP_MASK | HF_EM_MASK | HF_TS_MASK)) | 160 ((new_cr0 << (HF_MP_SHIFT - 1)) & (HF_MP_MASK | HF_EM_MASK | HF_TS_MASK)); 161 } 162 163 /* XXX: in legacy PAE mode, generate a GPF if reserved bits are set in 164 the PDPT */ 165 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3) 166 { 167 env->cr[3] = new_cr3; 168 if (env->cr[0] & CR0_PG_MASK) { 169 qemu_log_mask(CPU_LOG_MMU, 170 "CR3 update: CR3=" TARGET_FMT_lx "\n", new_cr3); 171 tlb_flush(env_cpu(env)); 172 } 173 } 174 175 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4) 176 { 177 uint32_t hflags; 178 179 #if defined(DEBUG_MMU) 180 printf("CR4 update: %08x -> %08x\n", (uint32_t)env->cr[4], new_cr4); 181 #endif 182 if ((new_cr4 ^ env->cr[4]) & 183 (CR4_PGE_MASK | CR4_PAE_MASK | CR4_PSE_MASK | 184 CR4_SMEP_MASK | CR4_SMAP_MASK | CR4_LA57_MASK)) { 185 tlb_flush(env_cpu(env)); 186 } 187 188 /* Clear bits we're going to recompute. */ 189 hflags = env->hflags & ~(HF_OSFXSR_MASK | HF_SMAP_MASK | HF_UMIP_MASK); 190 191 /* SSE handling */ 192 if (!(env->features[FEAT_1_EDX] & CPUID_SSE)) { 193 new_cr4 &= ~CR4_OSFXSR_MASK; 194 } 195 if (new_cr4 & CR4_OSFXSR_MASK) { 196 hflags |= HF_OSFXSR_MASK; 197 } 198 199 if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMAP)) { 200 new_cr4 &= ~CR4_SMAP_MASK; 201 } 202 if (new_cr4 & CR4_SMAP_MASK) { 203 hflags |= HF_SMAP_MASK; 204 } 205 if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_UMIP)) { 206 new_cr4 &= ~CR4_UMIP_MASK; 207 } 208 if (new_cr4 & CR4_UMIP_MASK) { 209 hflags |= HF_UMIP_MASK; 210 } 211 212 if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKU)) { 213 new_cr4 &= ~CR4_PKE_MASK; 214 } 215 if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKS)) { 216 new_cr4 &= ~CR4_PKS_MASK; 217 } 218 219 env->cr[4] = new_cr4; 220 env->hflags = hflags; 221 222 cpu_sync_bndcs_hflags(env); 223 cpu_sync_avx_hflag(env); 224 } 225 226 #if !defined(CONFIG_USER_ONLY) 227 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cs, vaddr addr, 228 MemTxAttrs *attrs) 229 { 230 X86CPU *cpu = X86_CPU(cs); 231 CPUX86State *env = &cpu->env; 232 target_ulong pde_addr, pte_addr; 233 uint64_t pte; 234 int32_t a20_mask; 235 uint32_t page_offset; 236 int page_size; 237 238 *attrs = cpu_get_mem_attrs(env); 239 240 a20_mask = x86_get_a20_mask(env); 241 if (!(env->cr[0] & CR0_PG_MASK)) { 242 pte = addr & a20_mask; 243 page_size = 4096; 244 } else if (env->cr[4] & CR4_PAE_MASK) { 245 target_ulong pdpe_addr; 246 uint64_t pde, pdpe; 247 248 #ifdef TARGET_X86_64 249 if (env->hflags & HF_LMA_MASK) { 250 bool la57 = env->cr[4] & CR4_LA57_MASK; 251 uint64_t pml5e_addr, pml5e; 252 uint64_t pml4e_addr, pml4e; 253 int32_t sext; 254 255 /* test virtual address sign extension */ 256 sext = la57 ? (int64_t)addr >> 56 : (int64_t)addr >> 47; 257 if (sext != 0 && sext != -1) { 258 return -1; 259 } 260 261 if (la57) { 262 pml5e_addr = ((env->cr[3] & ~0xfff) + 263 (((addr >> 48) & 0x1ff) << 3)) & a20_mask; 264 pml5e = x86_ldq_phys(cs, pml5e_addr); 265 if (!(pml5e & PG_PRESENT_MASK)) { 266 return -1; 267 } 268 } else { 269 pml5e = env->cr[3]; 270 } 271 272 pml4e_addr = ((pml5e & PG_ADDRESS_MASK) + 273 (((addr >> 39) & 0x1ff) << 3)) & a20_mask; 274 pml4e = x86_ldq_phys(cs, pml4e_addr); 275 if (!(pml4e & PG_PRESENT_MASK)) { 276 return -1; 277 } 278 pdpe_addr = ((pml4e & PG_ADDRESS_MASK) + 279 (((addr >> 30) & 0x1ff) << 3)) & a20_mask; 280 pdpe = x86_ldq_phys(cs, pdpe_addr); 281 if (!(pdpe & PG_PRESENT_MASK)) { 282 return -1; 283 } 284 if (pdpe & PG_PSE_MASK) { 285 page_size = 1024 * 1024 * 1024; 286 pte = pdpe; 287 goto out; 288 } 289 290 } else 291 #endif 292 { 293 pdpe_addr = ((env->cr[3] & ~0x1f) + ((addr >> 27) & 0x18)) & 294 a20_mask; 295 pdpe = x86_ldq_phys(cs, pdpe_addr); 296 if (!(pdpe & PG_PRESENT_MASK)) 297 return -1; 298 } 299 300 pde_addr = ((pdpe & PG_ADDRESS_MASK) + 301 (((addr >> 21) & 0x1ff) << 3)) & a20_mask; 302 pde = x86_ldq_phys(cs, pde_addr); 303 if (!(pde & PG_PRESENT_MASK)) { 304 return -1; 305 } 306 if (pde & PG_PSE_MASK) { 307 /* 2 MB page */ 308 page_size = 2048 * 1024; 309 pte = pde; 310 } else { 311 /* 4 KB page */ 312 pte_addr = ((pde & PG_ADDRESS_MASK) + 313 (((addr >> 12) & 0x1ff) << 3)) & a20_mask; 314 page_size = 4096; 315 pte = x86_ldq_phys(cs, pte_addr); 316 } 317 if (!(pte & PG_PRESENT_MASK)) { 318 return -1; 319 } 320 } else { 321 uint32_t pde; 322 323 /* page directory entry */ 324 pde_addr = ((env->cr[3] & ~0xfff) + ((addr >> 20) & 0xffc)) & a20_mask; 325 pde = x86_ldl_phys(cs, pde_addr); 326 if (!(pde & PG_PRESENT_MASK)) 327 return -1; 328 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) { 329 pte = pde | ((pde & 0x1fe000LL) << (32 - 13)); 330 page_size = 4096 * 1024; 331 } else { 332 /* page directory entry */ 333 pte_addr = ((pde & ~0xfff) + ((addr >> 10) & 0xffc)) & a20_mask; 334 pte = x86_ldl_phys(cs, pte_addr); 335 if (!(pte & PG_PRESENT_MASK)) { 336 return -1; 337 } 338 page_size = 4096; 339 } 340 pte = pte & a20_mask; 341 } 342 343 #ifdef TARGET_X86_64 344 out: 345 #endif 346 pte &= PG_ADDRESS_MASK & ~(page_size - 1); 347 page_offset = (addr & TARGET_PAGE_MASK) & (page_size - 1); 348 return pte | page_offset; 349 } 350 351 typedef struct MCEInjectionParams { 352 Monitor *mon; 353 int bank; 354 uint64_t status; 355 uint64_t mcg_status; 356 uint64_t addr; 357 uint64_t misc; 358 int flags; 359 } MCEInjectionParams; 360 361 static void emit_guest_memory_failure(MemoryFailureAction action, bool ar, 362 bool recursive) 363 { 364 MemoryFailureFlags mff = {.action_required = ar, .recursive = recursive}; 365 366 qapi_event_send_memory_failure(MEMORY_FAILURE_RECIPIENT_GUEST, action, 367 &mff); 368 } 369 370 static void do_inject_x86_mce(CPUState *cs, run_on_cpu_data data) 371 { 372 MCEInjectionParams *params = data.host_ptr; 373 X86CPU *cpu = X86_CPU(cs); 374 CPUX86State *cenv = &cpu->env; 375 uint64_t *banks = cenv->mce_banks + 4 * params->bank; 376 g_autofree char *msg = NULL; 377 bool need_reset = false; 378 bool recursive; 379 bool ar = !!(params->status & MCI_STATUS_AR); 380 381 cpu_synchronize_state(cs); 382 recursive = !!(cenv->mcg_status & MCG_STATUS_MCIP); 383 384 /* 385 * If there is an MCE exception being processed, ignore this SRAO MCE 386 * unless unconditional injection was requested. 387 */ 388 if (!(params->flags & MCE_INJECT_UNCOND_AO) && !ar && recursive) { 389 emit_guest_memory_failure(MEMORY_FAILURE_ACTION_IGNORE, ar, recursive); 390 return; 391 } 392 393 if (params->status & MCI_STATUS_UC) { 394 /* 395 * if MSR_MCG_CTL is not all 1s, the uncorrected error 396 * reporting is disabled 397 */ 398 if ((cenv->mcg_cap & MCG_CTL_P) && cenv->mcg_ctl != ~(uint64_t)0) { 399 monitor_printf(params->mon, 400 "CPU %d: Uncorrected error reporting disabled\n", 401 cs->cpu_index); 402 return; 403 } 404 405 /* 406 * if MSR_MCi_CTL is not all 1s, the uncorrected error 407 * reporting is disabled for the bank 408 */ 409 if (banks[0] != ~(uint64_t)0) { 410 monitor_printf(params->mon, 411 "CPU %d: Uncorrected error reporting disabled for" 412 " bank %d\n", 413 cs->cpu_index, params->bank); 414 return; 415 } 416 417 if (!(cenv->cr[4] & CR4_MCE_MASK)) { 418 need_reset = true; 419 msg = g_strdup_printf("CPU %d: MCE capability is not enabled, " 420 "raising triple fault", cs->cpu_index); 421 } else if (recursive) { 422 need_reset = true; 423 msg = g_strdup_printf("CPU %d: Previous MCE still in progress, " 424 "raising triple fault", cs->cpu_index); 425 } 426 427 if (need_reset) { 428 emit_guest_memory_failure(MEMORY_FAILURE_ACTION_RESET, ar, 429 recursive); 430 monitor_puts(params->mon, msg); 431 qemu_log_mask(CPU_LOG_RESET, "%s\n", msg); 432 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 433 return; 434 } 435 436 if (banks[1] & MCI_STATUS_VAL) { 437 params->status |= MCI_STATUS_OVER; 438 } 439 banks[2] = params->addr; 440 banks[3] = params->misc; 441 cenv->mcg_status = params->mcg_status; 442 banks[1] = params->status; 443 cpu_interrupt(cs, CPU_INTERRUPT_MCE); 444 } else if (!(banks[1] & MCI_STATUS_VAL) 445 || !(banks[1] & MCI_STATUS_UC)) { 446 if (banks[1] & MCI_STATUS_VAL) { 447 params->status |= MCI_STATUS_OVER; 448 } 449 banks[2] = params->addr; 450 banks[3] = params->misc; 451 banks[1] = params->status; 452 } else { 453 banks[1] |= MCI_STATUS_OVER; 454 } 455 456 emit_guest_memory_failure(MEMORY_FAILURE_ACTION_INJECT, ar, recursive); 457 } 458 459 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank, 460 uint64_t status, uint64_t mcg_status, uint64_t addr, 461 uint64_t misc, int flags) 462 { 463 CPUState *cs = CPU(cpu); 464 CPUX86State *cenv = &cpu->env; 465 MCEInjectionParams params = { 466 .mon = mon, 467 .bank = bank, 468 .status = status, 469 .mcg_status = mcg_status, 470 .addr = addr, 471 .misc = misc, 472 .flags = flags, 473 }; 474 unsigned bank_num = cenv->mcg_cap & 0xff; 475 476 if (!cenv->mcg_cap) { 477 monitor_printf(mon, "MCE injection not supported\n"); 478 return; 479 } 480 if (bank >= bank_num) { 481 monitor_printf(mon, "Invalid MCE bank number\n"); 482 return; 483 } 484 if (!(status & MCI_STATUS_VAL)) { 485 monitor_printf(mon, "Invalid MCE status code\n"); 486 return; 487 } 488 if ((flags & MCE_INJECT_BROADCAST) 489 && !cpu_x86_support_mca_broadcast(cenv)) { 490 monitor_printf(mon, "Guest CPU does not support MCA broadcast\n"); 491 return; 492 } 493 494 run_on_cpu(cs, do_inject_x86_mce, RUN_ON_CPU_HOST_PTR(¶ms)); 495 if (flags & MCE_INJECT_BROADCAST) { 496 CPUState *other_cs; 497 498 params.bank = 1; 499 params.status = MCI_STATUS_VAL | MCI_STATUS_UC; 500 params.mcg_status = MCG_STATUS_MCIP | MCG_STATUS_RIPV; 501 params.addr = 0; 502 params.misc = 0; 503 CPU_FOREACH(other_cs) { 504 if (other_cs == cs) { 505 continue; 506 } 507 run_on_cpu(other_cs, do_inject_x86_mce, RUN_ON_CPU_HOST_PTR(¶ms)); 508 } 509 } 510 } 511 512 static inline target_ulong get_memio_eip(CPUX86State *env) 513 { 514 #ifdef CONFIG_TCG 515 uint64_t data[TARGET_INSN_START_WORDS]; 516 CPUState *cs = env_cpu(env); 517 518 if (!cpu_unwind_state_data(cs, cs->mem_io_pc, data)) { 519 return env->eip; 520 } 521 522 /* Per x86_restore_state_to_opc. */ 523 if (TARGET_TB_PCREL) { 524 return (env->eip & TARGET_PAGE_MASK) | data[0]; 525 } else { 526 return data[0] - env->segs[R_CS].base; 527 } 528 #else 529 qemu_build_not_reached(); 530 #endif 531 } 532 533 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access) 534 { 535 X86CPU *cpu = env_archcpu(env); 536 CPUState *cs = env_cpu(env); 537 538 if (kvm_enabled() || whpx_enabled() || nvmm_enabled()) { 539 env->tpr_access_type = access; 540 541 cpu_interrupt(cs, CPU_INTERRUPT_TPR); 542 } else if (tcg_enabled()) { 543 target_ulong eip = get_memio_eip(env); 544 545 apic_handle_tpr_access_report(cpu->apic_state, eip, access); 546 } 547 } 548 #endif /* !CONFIG_USER_ONLY */ 549 550 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector, 551 target_ulong *base, unsigned int *limit, 552 unsigned int *flags) 553 { 554 CPUState *cs = env_cpu(env); 555 SegmentCache *dt; 556 target_ulong ptr; 557 uint32_t e1, e2; 558 int index; 559 560 if (selector & 0x4) 561 dt = &env->ldt; 562 else 563 dt = &env->gdt; 564 index = selector & ~7; 565 ptr = dt->base + index; 566 if ((index + 7) > dt->limit 567 || cpu_memory_rw_debug(cs, ptr, (uint8_t *)&e1, sizeof(e1), 0) != 0 568 || cpu_memory_rw_debug(cs, ptr+4, (uint8_t *)&e2, sizeof(e2), 0) != 0) 569 return 0; 570 571 *base = ((e1 >> 16) | ((e2 & 0xff) << 16) | (e2 & 0xff000000)); 572 *limit = (e1 & 0xffff) | (e2 & 0x000f0000); 573 if (e2 & DESC_G_MASK) 574 *limit = (*limit << 12) | 0xfff; 575 *flags = e2; 576 577 return 1; 578 } 579 580 #if !defined(CONFIG_USER_ONLY) 581 void do_cpu_init(X86CPU *cpu) 582 { 583 CPUState *cs = CPU(cpu); 584 CPUX86State *env = &cpu->env; 585 CPUX86State *save = g_new(CPUX86State, 1); 586 int sipi = cs->interrupt_request & CPU_INTERRUPT_SIPI; 587 588 *save = *env; 589 590 cpu_reset(cs); 591 cs->interrupt_request = sipi; 592 memcpy(&env->start_init_save, &save->start_init_save, 593 offsetof(CPUX86State, end_init_save) - 594 offsetof(CPUX86State, start_init_save)); 595 g_free(save); 596 597 if (kvm_enabled()) { 598 kvm_arch_do_init_vcpu(cpu); 599 } 600 apic_init_reset(cpu->apic_state); 601 } 602 603 void do_cpu_sipi(X86CPU *cpu) 604 { 605 apic_sipi(cpu->apic_state); 606 } 607 #else 608 void do_cpu_init(X86CPU *cpu) 609 { 610 } 611 void do_cpu_sipi(X86CPU *cpu) 612 { 613 } 614 #endif 615 616 #ifndef CONFIG_USER_ONLY 617 618 void cpu_load_efer(CPUX86State *env, uint64_t val) 619 { 620 env->efer = val; 621 env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK); 622 if (env->efer & MSR_EFER_LMA) { 623 env->hflags |= HF_LMA_MASK; 624 } 625 if (env->efer & MSR_EFER_SVME) { 626 env->hflags |= HF_SVME_MASK; 627 } 628 } 629 630 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr) 631 { 632 X86CPU *cpu = X86_CPU(cs); 633 CPUX86State *env = &cpu->env; 634 MemTxAttrs attrs = cpu_get_mem_attrs(env); 635 AddressSpace *as = cpu_addressspace(cs, attrs); 636 637 return address_space_ldub(as, addr, attrs, NULL); 638 } 639 640 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr) 641 { 642 X86CPU *cpu = X86_CPU(cs); 643 CPUX86State *env = &cpu->env; 644 MemTxAttrs attrs = cpu_get_mem_attrs(env); 645 AddressSpace *as = cpu_addressspace(cs, attrs); 646 647 return address_space_lduw(as, addr, attrs, NULL); 648 } 649 650 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr) 651 { 652 X86CPU *cpu = X86_CPU(cs); 653 CPUX86State *env = &cpu->env; 654 MemTxAttrs attrs = cpu_get_mem_attrs(env); 655 AddressSpace *as = cpu_addressspace(cs, attrs); 656 657 return address_space_ldl(as, addr, attrs, NULL); 658 } 659 660 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr) 661 { 662 X86CPU *cpu = X86_CPU(cs); 663 CPUX86State *env = &cpu->env; 664 MemTxAttrs attrs = cpu_get_mem_attrs(env); 665 AddressSpace *as = cpu_addressspace(cs, attrs); 666 667 return address_space_ldq(as, addr, attrs, NULL); 668 } 669 670 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val) 671 { 672 X86CPU *cpu = X86_CPU(cs); 673 CPUX86State *env = &cpu->env; 674 MemTxAttrs attrs = cpu_get_mem_attrs(env); 675 AddressSpace *as = cpu_addressspace(cs, attrs); 676 677 address_space_stb(as, addr, val, attrs, NULL); 678 } 679 680 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val) 681 { 682 X86CPU *cpu = X86_CPU(cs); 683 CPUX86State *env = &cpu->env; 684 MemTxAttrs attrs = cpu_get_mem_attrs(env); 685 AddressSpace *as = cpu_addressspace(cs, attrs); 686 687 address_space_stl_notdirty(as, addr, val, attrs, NULL); 688 } 689 690 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val) 691 { 692 X86CPU *cpu = X86_CPU(cs); 693 CPUX86State *env = &cpu->env; 694 MemTxAttrs attrs = cpu_get_mem_attrs(env); 695 AddressSpace *as = cpu_addressspace(cs, attrs); 696 697 address_space_stw(as, addr, val, attrs, NULL); 698 } 699 700 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val) 701 { 702 X86CPU *cpu = X86_CPU(cs); 703 CPUX86State *env = &cpu->env; 704 MemTxAttrs attrs = cpu_get_mem_attrs(env); 705 AddressSpace *as = cpu_addressspace(cs, attrs); 706 707 address_space_stl(as, addr, val, attrs, NULL); 708 } 709 710 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val) 711 { 712 X86CPU *cpu = X86_CPU(cs); 713 CPUX86State *env = &cpu->env; 714 MemTxAttrs attrs = cpu_get_mem_attrs(env); 715 AddressSpace *as = cpu_addressspace(cs, attrs); 716 717 address_space_stq(as, addr, val, attrs, NULL); 718 } 719 #endif