1 /* 2 * i386 virtual CPU header 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 #ifndef I386_CPU_H 21 #define I386_CPU_H 22 23 #include "sysemu/tcg.h" 24 #include "cpu-qom.h" 25 #include "kvm/hyperv-proto.h" 26 #include "exec/cpu-defs.h" 27 #include "qapi/qapi-types-common.h" 28 29 /* The x86 has a strong memory model with some store-after-load re-ordering */ 30 #define TCG_GUEST_DEFAULT_MO (TCG_MO_ALL & ~TCG_MO_ST_LD) 31 32 #define KVM_HAVE_MCE_INJECTION 1 33 34 /* support for self modifying code even if the modified instruction is 35 close to the modifying instruction */ 36 #define TARGET_HAS_PRECISE_SMC 37 38 #ifdef TARGET_X86_64 39 #define I386_ELF_MACHINE EM_X86_64 40 #define ELF_MACHINE_UNAME "x86_64" 41 #else 42 #define I386_ELF_MACHINE EM_386 43 #define ELF_MACHINE_UNAME "i686" 44 #endif 45 46 enum { 47 R_EAX = 0, 48 R_ECX = 1, 49 R_EDX = 2, 50 R_EBX = 3, 51 R_ESP = 4, 52 R_EBP = 5, 53 R_ESI = 6, 54 R_EDI = 7, 55 R_R8 = 8, 56 R_R9 = 9, 57 R_R10 = 10, 58 R_R11 = 11, 59 R_R12 = 12, 60 R_R13 = 13, 61 R_R14 = 14, 62 R_R15 = 15, 63 64 R_AL = 0, 65 R_CL = 1, 66 R_DL = 2, 67 R_BL = 3, 68 R_AH = 4, 69 R_CH = 5, 70 R_DH = 6, 71 R_BH = 7, 72 }; 73 74 typedef enum X86Seg { 75 R_ES = 0, 76 R_CS = 1, 77 R_SS = 2, 78 R_DS = 3, 79 R_FS = 4, 80 R_GS = 5, 81 R_LDTR = 6, 82 R_TR = 7, 83 } X86Seg; 84 85 /* segment descriptor fields */ 86 #define DESC_G_SHIFT 23 87 #define DESC_G_MASK (1 << DESC_G_SHIFT) 88 #define DESC_B_SHIFT 22 89 #define DESC_B_MASK (1 << DESC_B_SHIFT) 90 #define DESC_L_SHIFT 21 /* x86_64 only : 64 bit code segment */ 91 #define DESC_L_MASK (1 << DESC_L_SHIFT) 92 #define DESC_AVL_SHIFT 20 93 #define DESC_AVL_MASK (1 << DESC_AVL_SHIFT) 94 #define DESC_P_SHIFT 15 95 #define DESC_P_MASK (1 << DESC_P_SHIFT) 96 #define DESC_DPL_SHIFT 13 97 #define DESC_DPL_MASK (3 << DESC_DPL_SHIFT) 98 #define DESC_S_SHIFT 12 99 #define DESC_S_MASK (1 << DESC_S_SHIFT) 100 #define DESC_TYPE_SHIFT 8 101 #define DESC_TYPE_MASK (15 << DESC_TYPE_SHIFT) 102 #define DESC_A_MASK (1 << 8) 103 104 #define DESC_CS_MASK (1 << 11) /* 1=code segment 0=data segment */ 105 #define DESC_C_MASK (1 << 10) /* code: conforming */ 106 #define DESC_R_MASK (1 << 9) /* code: readable */ 107 108 #define DESC_E_MASK (1 << 10) /* data: expansion direction */ 109 #define DESC_W_MASK (1 << 9) /* data: writable */ 110 111 #define DESC_TSS_BUSY_MASK (1 << 9) 112 113 /* eflags masks */ 114 #define CC_C 0x0001 115 #define CC_P 0x0004 116 #define CC_A 0x0010 117 #define CC_Z 0x0040 118 #define CC_S 0x0080 119 #define CC_O 0x0800 120 121 #define TF_SHIFT 8 122 #define IOPL_SHIFT 12 123 #define VM_SHIFT 17 124 125 #define TF_MASK 0x00000100 126 #define IF_MASK 0x00000200 127 #define DF_MASK 0x00000400 128 #define IOPL_MASK 0x00003000 129 #define NT_MASK 0x00004000 130 #define RF_MASK 0x00010000 131 #define VM_MASK 0x00020000 132 #define AC_MASK 0x00040000 133 #define VIF_MASK 0x00080000 134 #define VIP_MASK 0x00100000 135 #define ID_MASK 0x00200000 136 137 /* hidden flags - used internally by qemu to represent additional cpu 138 states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We 139 avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit 140 positions to ease oring with eflags. */ 141 /* current cpl */ 142 #define HF_CPL_SHIFT 0 143 /* true if hardware interrupts must be disabled for next instruction */ 144 #define HF_INHIBIT_IRQ_SHIFT 3 145 /* 16 or 32 segments */ 146 #define HF_CS32_SHIFT 4 147 #define HF_SS32_SHIFT 5 148 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */ 149 #define HF_ADDSEG_SHIFT 6 150 /* copy of CR0.PE (protected mode) */ 151 #define HF_PE_SHIFT 7 152 #define HF_TF_SHIFT 8 /* must be same as eflags */ 153 #define HF_MP_SHIFT 9 /* the order must be MP, EM, TS */ 154 #define HF_EM_SHIFT 10 155 #define HF_TS_SHIFT 11 156 #define HF_IOPL_SHIFT 12 /* must be same as eflags */ 157 #define HF_LMA_SHIFT 14 /* only used on x86_64: long mode active */ 158 #define HF_CS64_SHIFT 15 /* only used on x86_64: 64 bit code segment */ 159 #define HF_RF_SHIFT 16 /* must be same as eflags */ 160 #define HF_VM_SHIFT 17 /* must be same as eflags */ 161 #define HF_AC_SHIFT 18 /* must be same as eflags */ 162 #define HF_SMM_SHIFT 19 /* CPU in SMM mode */ 163 #define HF_SVME_SHIFT 20 /* SVME enabled (copy of EFER.SVME) */ 164 #define HF_GUEST_SHIFT 21 /* SVM intercepts are active */ 165 #define HF_OSFXSR_SHIFT 22 /* CR4.OSFXSR */ 166 #define HF_SMAP_SHIFT 23 /* CR4.SMAP */ 167 #define HF_IOBPT_SHIFT 24 /* an io breakpoint enabled */ 168 #define HF_MPX_EN_SHIFT 25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */ 169 #define HF_MPX_IU_SHIFT 26 /* BND registers in-use */ 170 171 #define HF_CPL_MASK (3 << HF_CPL_SHIFT) 172 #define HF_INHIBIT_IRQ_MASK (1 << HF_INHIBIT_IRQ_SHIFT) 173 #define HF_CS32_MASK (1 << HF_CS32_SHIFT) 174 #define HF_SS32_MASK (1 << HF_SS32_SHIFT) 175 #define HF_ADDSEG_MASK (1 << HF_ADDSEG_SHIFT) 176 #define HF_PE_MASK (1 << HF_PE_SHIFT) 177 #define HF_TF_MASK (1 << HF_TF_SHIFT) 178 #define HF_MP_MASK (1 << HF_MP_SHIFT) 179 #define HF_EM_MASK (1 << HF_EM_SHIFT) 180 #define HF_TS_MASK (1 << HF_TS_SHIFT) 181 #define HF_IOPL_MASK (3 << HF_IOPL_SHIFT) 182 #define HF_LMA_MASK (1 << HF_LMA_SHIFT) 183 #define HF_CS64_MASK (1 << HF_CS64_SHIFT) 184 #define HF_RF_MASK (1 << HF_RF_SHIFT) 185 #define HF_VM_MASK (1 << HF_VM_SHIFT) 186 #define HF_AC_MASK (1 << HF_AC_SHIFT) 187 #define HF_SMM_MASK (1 << HF_SMM_SHIFT) 188 #define HF_SVME_MASK (1 << HF_SVME_SHIFT) 189 #define HF_GUEST_MASK (1 << HF_GUEST_SHIFT) 190 #define HF_OSFXSR_MASK (1 << HF_OSFXSR_SHIFT) 191 #define HF_SMAP_MASK (1 << HF_SMAP_SHIFT) 192 #define HF_IOBPT_MASK (1 << HF_IOBPT_SHIFT) 193 #define HF_MPX_EN_MASK (1 << HF_MPX_EN_SHIFT) 194 #define HF_MPX_IU_MASK (1 << HF_MPX_IU_SHIFT) 195 196 /* hflags2 */ 197 198 #define HF2_GIF_SHIFT 0 /* if set CPU takes interrupts */ 199 #define HF2_HIF_SHIFT 1 /* value of IF_MASK when entering SVM */ 200 #define HF2_NMI_SHIFT 2 /* CPU serving NMI */ 201 #define HF2_VINTR_SHIFT 3 /* value of V_INTR_MASKING bit */ 202 #define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */ 203 #define HF2_MPX_PR_SHIFT 5 /* BNDCFGx.BNDPRESERVE */ 204 #define HF2_NPT_SHIFT 6 /* Nested Paging enabled */ 205 #define HF2_IGNNE_SHIFT 7 /* Ignore CR0.NE=0 */ 206 207 #define HF2_GIF_MASK (1 << HF2_GIF_SHIFT) 208 #define HF2_HIF_MASK (1 << HF2_HIF_SHIFT) 209 #define HF2_NMI_MASK (1 << HF2_NMI_SHIFT) 210 #define HF2_VINTR_MASK (1 << HF2_VINTR_SHIFT) 211 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT) 212 #define HF2_MPX_PR_MASK (1 << HF2_MPX_PR_SHIFT) 213 #define HF2_NPT_MASK (1 << HF2_NPT_SHIFT) 214 #define HF2_IGNNE_MASK (1 << HF2_IGNNE_SHIFT) 215 216 #define CR0_PE_SHIFT 0 217 #define CR0_MP_SHIFT 1 218 219 #define CR0_PE_MASK (1U << 0) 220 #define CR0_MP_MASK (1U << 1) 221 #define CR0_EM_MASK (1U << 2) 222 #define CR0_TS_MASK (1U << 3) 223 #define CR0_ET_MASK (1U << 4) 224 #define CR0_NE_MASK (1U << 5) 225 #define CR0_WP_MASK (1U << 16) 226 #define CR0_AM_MASK (1U << 18) 227 #define CR0_PG_MASK (1U << 31) 228 229 #define CR4_VME_MASK (1U << 0) 230 #define CR4_PVI_MASK (1U << 1) 231 #define CR4_TSD_MASK (1U << 2) 232 #define CR4_DE_MASK (1U << 3) 233 #define CR4_PSE_MASK (1U << 4) 234 #define CR4_PAE_MASK (1U << 5) 235 #define CR4_MCE_MASK (1U << 6) 236 #define CR4_PGE_MASK (1U << 7) 237 #define CR4_PCE_MASK (1U << 8) 238 #define CR4_OSFXSR_SHIFT 9 239 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT) 240 #define CR4_OSXMMEXCPT_MASK (1U << 10) 241 #define CR4_LA57_MASK (1U << 12) 242 #define CR4_VMXE_MASK (1U << 13) 243 #define CR4_SMXE_MASK (1U << 14) 244 #define CR4_FSGSBASE_MASK (1U << 16) 245 #define CR4_PCIDE_MASK (1U << 17) 246 #define CR4_OSXSAVE_MASK (1U << 18) 247 #define CR4_SMEP_MASK (1U << 20) 248 #define CR4_SMAP_MASK (1U << 21) 249 #define CR4_PKE_MASK (1U << 22) 250 #define CR4_PKS_MASK (1U << 24) 251 252 #define DR6_BD (1 << 13) 253 #define DR6_BS (1 << 14) 254 #define DR6_BT (1 << 15) 255 #define DR6_FIXED_1 0xffff0ff0 256 257 #define DR7_GD (1 << 13) 258 #define DR7_TYPE_SHIFT 16 259 #define DR7_LEN_SHIFT 18 260 #define DR7_FIXED_1 0x00000400 261 #define DR7_GLOBAL_BP_MASK 0xaa 262 #define DR7_LOCAL_BP_MASK 0x55 263 #define DR7_MAX_BP 4 264 #define DR7_TYPE_BP_INST 0x0 265 #define DR7_TYPE_DATA_WR 0x1 266 #define DR7_TYPE_IO_RW 0x2 267 #define DR7_TYPE_DATA_RW 0x3 268 269 #define PG_PRESENT_BIT 0 270 #define PG_RW_BIT 1 271 #define PG_USER_BIT 2 272 #define PG_PWT_BIT 3 273 #define PG_PCD_BIT 4 274 #define PG_ACCESSED_BIT 5 275 #define PG_DIRTY_BIT 6 276 #define PG_PSE_BIT 7 277 #define PG_GLOBAL_BIT 8 278 #define PG_PSE_PAT_BIT 12 279 #define PG_PKRU_BIT 59 280 #define PG_NX_BIT 63 281 282 #define PG_PRESENT_MASK (1 << PG_PRESENT_BIT) 283 #define PG_RW_MASK (1 << PG_RW_BIT) 284 #define PG_USER_MASK (1 << PG_USER_BIT) 285 #define PG_PWT_MASK (1 << PG_PWT_BIT) 286 #define PG_PCD_MASK (1 << PG_PCD_BIT) 287 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT) 288 #define PG_DIRTY_MASK (1 << PG_DIRTY_BIT) 289 #define PG_PSE_MASK (1 << PG_PSE_BIT) 290 #define PG_GLOBAL_MASK (1 << PG_GLOBAL_BIT) 291 #define PG_PSE_PAT_MASK (1 << PG_PSE_PAT_BIT) 292 #define PG_ADDRESS_MASK 0x000ffffffffff000LL 293 #define PG_HI_USER_MASK 0x7ff0000000000000LL 294 #define PG_PKRU_MASK (15ULL << PG_PKRU_BIT) 295 #define PG_NX_MASK (1ULL << PG_NX_BIT) 296 297 #define PG_ERROR_W_BIT 1 298 299 #define PG_ERROR_P_MASK 0x01 300 #define PG_ERROR_W_MASK (1 << PG_ERROR_W_BIT) 301 #define PG_ERROR_U_MASK 0x04 302 #define PG_ERROR_RSVD_MASK 0x08 303 #define PG_ERROR_I_D_MASK 0x10 304 #define PG_ERROR_PK_MASK 0x20 305 306 #define MCG_CTL_P (1ULL<<8) /* MCG_CAP register available */ 307 #define MCG_SER_P (1ULL<<24) /* MCA recovery/new status bits */ 308 #define MCG_LMCE_P (1ULL<<27) /* Local Machine Check Supported */ 309 310 #define MCE_CAP_DEF (MCG_CTL_P|MCG_SER_P) 311 #define MCE_BANKS_DEF 10 312 313 #define MCG_CAP_BANKS_MASK 0xff 314 315 #define MCG_STATUS_RIPV (1ULL<<0) /* restart ip valid */ 316 #define MCG_STATUS_EIPV (1ULL<<1) /* ip points to correct instruction */ 317 #define MCG_STATUS_MCIP (1ULL<<2) /* machine check in progress */ 318 #define MCG_STATUS_LMCE (1ULL<<3) /* Local MCE signaled */ 319 320 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */ 321 322 #define MCI_STATUS_VAL (1ULL<<63) /* valid error */ 323 #define MCI_STATUS_OVER (1ULL<<62) /* previous errors lost */ 324 #define MCI_STATUS_UC (1ULL<<61) /* uncorrected error */ 325 #define MCI_STATUS_EN (1ULL<<60) /* error enabled */ 326 #define MCI_STATUS_MISCV (1ULL<<59) /* misc error reg. valid */ 327 #define MCI_STATUS_ADDRV (1ULL<<58) /* addr reg. valid */ 328 #define MCI_STATUS_PCC (1ULL<<57) /* processor context corrupt */ 329 #define MCI_STATUS_S (1ULL<<56) /* Signaled machine check */ 330 #define MCI_STATUS_AR (1ULL<<55) /* Action required */ 331 332 /* MISC register defines */ 333 #define MCM_ADDR_SEGOFF 0 /* segment offset */ 334 #define MCM_ADDR_LINEAR 1 /* linear address */ 335 #define MCM_ADDR_PHYS 2 /* physical address */ 336 #define MCM_ADDR_MEM 3 /* memory address */ 337 #define MCM_ADDR_GENERIC 7 /* generic */ 338 339 #define MSR_IA32_TSC 0x10 340 #define MSR_IA32_APICBASE 0x1b 341 #define MSR_IA32_APICBASE_BSP (1<<8) 342 #define MSR_IA32_APICBASE_ENABLE (1<<11) 343 #define MSR_IA32_APICBASE_EXTD (1 << 10) 344 #define MSR_IA32_APICBASE_BASE (0xfffffU<<12) 345 #define MSR_IA32_FEATURE_CONTROL 0x0000003a 346 #define MSR_TSC_ADJUST 0x0000003b 347 #define MSR_IA32_SPEC_CTRL 0x48 348 #define MSR_VIRT_SSBD 0xc001011f 349 #define MSR_IA32_PRED_CMD 0x49 350 #define MSR_IA32_UCODE_REV 0x8b 351 #define MSR_IA32_CORE_CAPABILITY 0xcf 352 353 #define MSR_IA32_ARCH_CAPABILITIES 0x10a 354 #define ARCH_CAP_TSX_CTRL_MSR (1<<7) 355 356 #define MSR_IA32_PERF_CAPABILITIES 0x345 357 358 #define MSR_IA32_TSX_CTRL 0x122 359 #define MSR_IA32_TSCDEADLINE 0x6e0 360 #define MSR_IA32_PKRS 0x6e1 361 362 #define FEATURE_CONTROL_LOCKED (1<<0) 363 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2) 364 #define FEATURE_CONTROL_LMCE (1<<20) 365 366 #define MSR_P6_PERFCTR0 0xc1 367 368 #define MSR_IA32_SMBASE 0x9e 369 #define MSR_SMI_COUNT 0x34 370 #define MSR_CORE_THREAD_COUNT 0x35 371 #define MSR_MTRRcap 0xfe 372 #define MSR_MTRRcap_VCNT 8 373 #define MSR_MTRRcap_FIXRANGE_SUPPORT (1 << 8) 374 #define MSR_MTRRcap_WC_SUPPORTED (1 << 10) 375 376 #define MSR_IA32_SYSENTER_CS 0x174 377 #define MSR_IA32_SYSENTER_ESP 0x175 378 #define MSR_IA32_SYSENTER_EIP 0x176 379 380 #define MSR_MCG_CAP 0x179 381 #define MSR_MCG_STATUS 0x17a 382 #define MSR_MCG_CTL 0x17b 383 #define MSR_MCG_EXT_CTL 0x4d0 384 385 #define MSR_P6_EVNTSEL0 0x186 386 387 #define MSR_IA32_PERF_STATUS 0x198 388 389 #define MSR_IA32_MISC_ENABLE 0x1a0 390 /* Indicates good rep/movs microcode on some processors: */ 391 #define MSR_IA32_MISC_ENABLE_DEFAULT 1 392 #define MSR_IA32_MISC_ENABLE_MWAIT (1ULL << 18) 393 394 #define MSR_MTRRphysBase(reg) (0x200 + 2 * (reg)) 395 #define MSR_MTRRphysMask(reg) (0x200 + 2 * (reg) + 1) 396 397 #define MSR_MTRRphysIndex(addr) ((((addr) & ~1u) - 0x200) / 2) 398 399 #define MSR_MTRRfix64K_00000 0x250 400 #define MSR_MTRRfix16K_80000 0x258 401 #define MSR_MTRRfix16K_A0000 0x259 402 #define MSR_MTRRfix4K_C0000 0x268 403 #define MSR_MTRRfix4K_C8000 0x269 404 #define MSR_MTRRfix4K_D0000 0x26a 405 #define MSR_MTRRfix4K_D8000 0x26b 406 #define MSR_MTRRfix4K_E0000 0x26c 407 #define MSR_MTRRfix4K_E8000 0x26d 408 #define MSR_MTRRfix4K_F0000 0x26e 409 #define MSR_MTRRfix4K_F8000 0x26f 410 411 #define MSR_PAT 0x277 412 413 #define MSR_MTRRdefType 0x2ff 414 415 #define MSR_CORE_PERF_FIXED_CTR0 0x309 416 #define MSR_CORE_PERF_FIXED_CTR1 0x30a 417 #define MSR_CORE_PERF_FIXED_CTR2 0x30b 418 #define MSR_CORE_PERF_FIXED_CTR_CTRL 0x38d 419 #define MSR_CORE_PERF_GLOBAL_STATUS 0x38e 420 #define MSR_CORE_PERF_GLOBAL_CTRL 0x38f 421 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL 0x390 422 423 #define MSR_MC0_CTL 0x400 424 #define MSR_MC0_STATUS 0x401 425 #define MSR_MC0_ADDR 0x402 426 #define MSR_MC0_MISC 0x403 427 428 #define MSR_IA32_RTIT_OUTPUT_BASE 0x560 429 #define MSR_IA32_RTIT_OUTPUT_MASK 0x561 430 #define MSR_IA32_RTIT_CTL 0x570 431 #define MSR_IA32_RTIT_STATUS 0x571 432 #define MSR_IA32_RTIT_CR3_MATCH 0x572 433 #define MSR_IA32_RTIT_ADDR0_A 0x580 434 #define MSR_IA32_RTIT_ADDR0_B 0x581 435 #define MSR_IA32_RTIT_ADDR1_A 0x582 436 #define MSR_IA32_RTIT_ADDR1_B 0x583 437 #define MSR_IA32_RTIT_ADDR2_A 0x584 438 #define MSR_IA32_RTIT_ADDR2_B 0x585 439 #define MSR_IA32_RTIT_ADDR3_A 0x586 440 #define MSR_IA32_RTIT_ADDR3_B 0x587 441 #define MAX_RTIT_ADDRS 8 442 443 #define MSR_EFER 0xc0000080 444 445 #define MSR_EFER_SCE (1 << 0) 446 #define MSR_EFER_LME (1 << 8) 447 #define MSR_EFER_LMA (1 << 10) 448 #define MSR_EFER_NXE (1 << 11) 449 #define MSR_EFER_SVME (1 << 12) 450 #define MSR_EFER_FFXSR (1 << 14) 451 452 #define MSR_STAR 0xc0000081 453 #define MSR_LSTAR 0xc0000082 454 #define MSR_CSTAR 0xc0000083 455 #define MSR_FMASK 0xc0000084 456 #define MSR_FSBASE 0xc0000100 457 #define MSR_GSBASE 0xc0000101 458 #define MSR_KERNELGSBASE 0xc0000102 459 #define MSR_TSC_AUX 0xc0000103 460 461 #define MSR_VM_HSAVE_PA 0xc0010117 462 463 #define MSR_IA32_BNDCFGS 0x00000d90 464 #define MSR_IA32_XSS 0x00000da0 465 #define MSR_IA32_UMWAIT_CONTROL 0xe1 466 467 #define MSR_IA32_VMX_BASIC 0x00000480 468 #define MSR_IA32_VMX_PINBASED_CTLS 0x00000481 469 #define MSR_IA32_VMX_PROCBASED_CTLS 0x00000482 470 #define MSR_IA32_VMX_EXIT_CTLS 0x00000483 471 #define MSR_IA32_VMX_ENTRY_CTLS 0x00000484 472 #define MSR_IA32_VMX_MISC 0x00000485 473 #define MSR_IA32_VMX_CR0_FIXED0 0x00000486 474 #define MSR_IA32_VMX_CR0_FIXED1 0x00000487 475 #define MSR_IA32_VMX_CR4_FIXED0 0x00000488 476 #define MSR_IA32_VMX_CR4_FIXED1 0x00000489 477 #define MSR_IA32_VMX_VMCS_ENUM 0x0000048a 478 #define MSR_IA32_VMX_PROCBASED_CTLS2 0x0000048b 479 #define MSR_IA32_VMX_EPT_VPID_CAP 0x0000048c 480 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS 0x0000048d 481 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e 482 #define MSR_IA32_VMX_TRUE_EXIT_CTLS 0x0000048f 483 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS 0x00000490 484 #define MSR_IA32_VMX_VMFUNC 0x00000491 485 486 #define XSTATE_FP_BIT 0 487 #define XSTATE_SSE_BIT 1 488 #define XSTATE_YMM_BIT 2 489 #define XSTATE_BNDREGS_BIT 3 490 #define XSTATE_BNDCSR_BIT 4 491 #define XSTATE_OPMASK_BIT 5 492 #define XSTATE_ZMM_Hi256_BIT 6 493 #define XSTATE_Hi16_ZMM_BIT 7 494 #define XSTATE_PKRU_BIT 9 495 496 #define XSTATE_FP_MASK (1ULL << XSTATE_FP_BIT) 497 #define XSTATE_SSE_MASK (1ULL << XSTATE_SSE_BIT) 498 #define XSTATE_YMM_MASK (1ULL << XSTATE_YMM_BIT) 499 #define XSTATE_BNDREGS_MASK (1ULL << XSTATE_BNDREGS_BIT) 500 #define XSTATE_BNDCSR_MASK (1ULL << XSTATE_BNDCSR_BIT) 501 #define XSTATE_OPMASK_MASK (1ULL << XSTATE_OPMASK_BIT) 502 #define XSTATE_ZMM_Hi256_MASK (1ULL << XSTATE_ZMM_Hi256_BIT) 503 #define XSTATE_Hi16_ZMM_MASK (1ULL << XSTATE_Hi16_ZMM_BIT) 504 #define XSTATE_PKRU_MASK (1ULL << XSTATE_PKRU_BIT) 505 506 /* CPUID feature words */ 507 typedef enum FeatureWord { 508 FEAT_1_EDX, /* CPUID[1].EDX */ 509 FEAT_1_ECX, /* CPUID[1].ECX */ 510 FEAT_7_0_EBX, /* CPUID[EAX=7,ECX=0].EBX */ 511 FEAT_7_0_ECX, /* CPUID[EAX=7,ECX=0].ECX */ 512 FEAT_7_0_EDX, /* CPUID[EAX=7,ECX=0].EDX */ 513 FEAT_7_1_EAX, /* CPUID[EAX=7,ECX=1].EAX */ 514 FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */ 515 FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */ 516 FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */ 517 FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */ 518 FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */ 519 FEAT_KVM, /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */ 520 FEAT_KVM_HINTS, /* CPUID[4000_0001].EDX */ 521 FEAT_HYPERV_EAX, /* CPUID[4000_0003].EAX */ 522 FEAT_HYPERV_EBX, /* CPUID[4000_0003].EBX */ 523 FEAT_HYPERV_EDX, /* CPUID[4000_0003].EDX */ 524 FEAT_HV_RECOMM_EAX, /* CPUID[4000_0004].EAX */ 525 FEAT_HV_NESTED_EAX, /* CPUID[4000_000A].EAX */ 526 FEAT_SVM, /* CPUID[8000_000A].EDX */ 527 FEAT_XSAVE, /* CPUID[EAX=0xd,ECX=1].EAX */ 528 FEAT_6_EAX, /* CPUID[6].EAX */ 529 FEAT_XSAVE_COMP_LO, /* CPUID[EAX=0xd,ECX=0].EAX */ 530 FEAT_XSAVE_COMP_HI, /* CPUID[EAX=0xd,ECX=0].EDX */ 531 FEAT_ARCH_CAPABILITIES, 532 FEAT_CORE_CAPABILITY, 533 FEAT_PERF_CAPABILITIES, 534 FEAT_VMX_PROCBASED_CTLS, 535 FEAT_VMX_SECONDARY_CTLS, 536 FEAT_VMX_PINBASED_CTLS, 537 FEAT_VMX_EXIT_CTLS, 538 FEAT_VMX_ENTRY_CTLS, 539 FEAT_VMX_MISC, 540 FEAT_VMX_EPT_VPID_CAPS, 541 FEAT_VMX_BASIC, 542 FEAT_VMX_VMFUNC, 543 FEAT_14_0_ECX, 544 FEATURE_WORDS, 545 } FeatureWord; 546 547 typedef uint64_t FeatureWordArray[FEATURE_WORDS]; 548 549 /* cpuid_features bits */ 550 #define CPUID_FP87 (1U << 0) 551 #define CPUID_VME (1U << 1) 552 #define CPUID_DE (1U << 2) 553 #define CPUID_PSE (1U << 3) 554 #define CPUID_TSC (1U << 4) 555 #define CPUID_MSR (1U << 5) 556 #define CPUID_PAE (1U << 6) 557 #define CPUID_MCE (1U << 7) 558 #define CPUID_CX8 (1U << 8) 559 #define CPUID_APIC (1U << 9) 560 #define CPUID_SEP (1U << 11) /* sysenter/sysexit */ 561 #define CPUID_MTRR (1U << 12) 562 #define CPUID_PGE (1U << 13) 563 #define CPUID_MCA (1U << 14) 564 #define CPUID_CMOV (1U << 15) 565 #define CPUID_PAT (1U << 16) 566 #define CPUID_PSE36 (1U << 17) 567 #define CPUID_PN (1U << 18) 568 #define CPUID_CLFLUSH (1U << 19) 569 #define CPUID_DTS (1U << 21) 570 #define CPUID_ACPI (1U << 22) 571 #define CPUID_MMX (1U << 23) 572 #define CPUID_FXSR (1U << 24) 573 #define CPUID_SSE (1U << 25) 574 #define CPUID_SSE2 (1U << 26) 575 #define CPUID_SS (1U << 27) 576 #define CPUID_HT (1U << 28) 577 #define CPUID_TM (1U << 29) 578 #define CPUID_IA64 (1U << 30) 579 #define CPUID_PBE (1U << 31) 580 581 #define CPUID_EXT_SSE3 (1U << 0) 582 #define CPUID_EXT_PCLMULQDQ (1U << 1) 583 #define CPUID_EXT_DTES64 (1U << 2) 584 #define CPUID_EXT_MONITOR (1U << 3) 585 #define CPUID_EXT_DSCPL (1U << 4) 586 #define CPUID_EXT_VMX (1U << 5) 587 #define CPUID_EXT_SMX (1U << 6) 588 #define CPUID_EXT_EST (1U << 7) 589 #define CPUID_EXT_TM2 (1U << 8) 590 #define CPUID_EXT_SSSE3 (1U << 9) 591 #define CPUID_EXT_CID (1U << 10) 592 #define CPUID_EXT_FMA (1U << 12) 593 #define CPUID_EXT_CX16 (1U << 13) 594 #define CPUID_EXT_XTPR (1U << 14) 595 #define CPUID_EXT_PDCM (1U << 15) 596 #define CPUID_EXT_PCID (1U << 17) 597 #define CPUID_EXT_DCA (1U << 18) 598 #define CPUID_EXT_SSE41 (1U << 19) 599 #define CPUID_EXT_SSE42 (1U << 20) 600 #define CPUID_EXT_X2APIC (1U << 21) 601 #define CPUID_EXT_MOVBE (1U << 22) 602 #define CPUID_EXT_POPCNT (1U << 23) 603 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24) 604 #define CPUID_EXT_AES (1U << 25) 605 #define CPUID_EXT_XSAVE (1U << 26) 606 #define CPUID_EXT_OSXSAVE (1U << 27) 607 #define CPUID_EXT_AVX (1U << 28) 608 #define CPUID_EXT_F16C (1U << 29) 609 #define CPUID_EXT_RDRAND (1U << 30) 610 #define CPUID_EXT_HYPERVISOR (1U << 31) 611 612 #define CPUID_EXT2_FPU (1U << 0) 613 #define CPUID_EXT2_VME (1U << 1) 614 #define CPUID_EXT2_DE (1U << 2) 615 #define CPUID_EXT2_PSE (1U << 3) 616 #define CPUID_EXT2_TSC (1U << 4) 617 #define CPUID_EXT2_MSR (1U << 5) 618 #define CPUID_EXT2_PAE (1U << 6) 619 #define CPUID_EXT2_MCE (1U << 7) 620 #define CPUID_EXT2_CX8 (1U << 8) 621 #define CPUID_EXT2_APIC (1U << 9) 622 #define CPUID_EXT2_SYSCALL (1U << 11) 623 #define CPUID_EXT2_MTRR (1U << 12) 624 #define CPUID_EXT2_PGE (1U << 13) 625 #define CPUID_EXT2_MCA (1U << 14) 626 #define CPUID_EXT2_CMOV (1U << 15) 627 #define CPUID_EXT2_PAT (1U << 16) 628 #define CPUID_EXT2_PSE36 (1U << 17) 629 #define CPUID_EXT2_MP (1U << 19) 630 #define CPUID_EXT2_NX (1U << 20) 631 #define CPUID_EXT2_MMXEXT (1U << 22) 632 #define CPUID_EXT2_MMX (1U << 23) 633 #define CPUID_EXT2_FXSR (1U << 24) 634 #define CPUID_EXT2_FFXSR (1U << 25) 635 #define CPUID_EXT2_PDPE1GB (1U << 26) 636 #define CPUID_EXT2_RDTSCP (1U << 27) 637 #define CPUID_EXT2_LM (1U << 29) 638 #define CPUID_EXT2_3DNOWEXT (1U << 30) 639 #define CPUID_EXT2_3DNOW (1U << 31) 640 641 /* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */ 642 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \ 643 CPUID_EXT2_DE | CPUID_EXT2_PSE | \ 644 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \ 645 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \ 646 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \ 647 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \ 648 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \ 649 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \ 650 CPUID_EXT2_MMX | CPUID_EXT2_FXSR) 651 652 #define CPUID_EXT3_LAHF_LM (1U << 0) 653 #define CPUID_EXT3_CMP_LEG (1U << 1) 654 #define CPUID_EXT3_SVM (1U << 2) 655 #define CPUID_EXT3_EXTAPIC (1U << 3) 656 #define CPUID_EXT3_CR8LEG (1U << 4) 657 #define CPUID_EXT3_ABM (1U << 5) 658 #define CPUID_EXT3_SSE4A (1U << 6) 659 #define CPUID_EXT3_MISALIGNSSE (1U << 7) 660 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8) 661 #define CPUID_EXT3_OSVW (1U << 9) 662 #define CPUID_EXT3_IBS (1U << 10) 663 #define CPUID_EXT3_XOP (1U << 11) 664 #define CPUID_EXT3_SKINIT (1U << 12) 665 #define CPUID_EXT3_WDT (1U << 13) 666 #define CPUID_EXT3_LWP (1U << 15) 667 #define CPUID_EXT3_FMA4 (1U << 16) 668 #define CPUID_EXT3_TCE (1U << 17) 669 #define CPUID_EXT3_NODEID (1U << 19) 670 #define CPUID_EXT3_TBM (1U << 21) 671 #define CPUID_EXT3_TOPOEXT (1U << 22) 672 #define CPUID_EXT3_PERFCORE (1U << 23) 673 #define CPUID_EXT3_PERFNB (1U << 24) 674 675 #define CPUID_SVM_NPT (1U << 0) 676 #define CPUID_SVM_LBRV (1U << 1) 677 #define CPUID_SVM_SVMLOCK (1U << 2) 678 #define CPUID_SVM_NRIPSAVE (1U << 3) 679 #define CPUID_SVM_TSCSCALE (1U << 4) 680 #define CPUID_SVM_VMCBCLEAN (1U << 5) 681 #define CPUID_SVM_FLUSHASID (1U << 6) 682 #define CPUID_SVM_DECODEASSIST (1U << 7) 683 #define CPUID_SVM_PAUSEFILTER (1U << 10) 684 #define CPUID_SVM_PFTHRESHOLD (1U << 12) 685 #define CPUID_SVM_AVIC (1U << 13) 686 #define CPUID_SVM_V_VMSAVE_VMLOAD (1U << 15) 687 #define CPUID_SVM_VGIF (1U << 16) 688 #define CPUID_SVM_SVME_ADDR_CHK (1U << 28) 689 690 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */ 691 #define CPUID_7_0_EBX_FSGSBASE (1U << 0) 692 /* 1st Group of Advanced Bit Manipulation Extensions */ 693 #define CPUID_7_0_EBX_BMI1 (1U << 3) 694 /* Hardware Lock Elision */ 695 #define CPUID_7_0_EBX_HLE (1U << 4) 696 /* Intel Advanced Vector Extensions 2 */ 697 #define CPUID_7_0_EBX_AVX2 (1U << 5) 698 /* Supervisor-mode Execution Prevention */ 699 #define CPUID_7_0_EBX_SMEP (1U << 7) 700 /* 2nd Group of Advanced Bit Manipulation Extensions */ 701 #define CPUID_7_0_EBX_BMI2 (1U << 8) 702 /* Enhanced REP MOVSB/STOSB */ 703 #define CPUID_7_0_EBX_ERMS (1U << 9) 704 /* Invalidate Process-Context Identifier */ 705 #define CPUID_7_0_EBX_INVPCID (1U << 10) 706 /* Restricted Transactional Memory */ 707 #define CPUID_7_0_EBX_RTM (1U << 11) 708 /* Memory Protection Extension */ 709 #define CPUID_7_0_EBX_MPX (1U << 14) 710 /* AVX-512 Foundation */ 711 #define CPUID_7_0_EBX_AVX512F (1U << 16) 712 /* AVX-512 Doubleword & Quadword Instruction */ 713 #define CPUID_7_0_EBX_AVX512DQ (1U << 17) 714 /* Read Random SEED */ 715 #define CPUID_7_0_EBX_RDSEED (1U << 18) 716 /* ADCX and ADOX instructions */ 717 #define CPUID_7_0_EBX_ADX (1U << 19) 718 /* Supervisor Mode Access Prevention */ 719 #define CPUID_7_0_EBX_SMAP (1U << 20) 720 /* AVX-512 Integer Fused Multiply Add */ 721 #define CPUID_7_0_EBX_AVX512IFMA (1U << 21) 722 /* Persistent Commit */ 723 #define CPUID_7_0_EBX_PCOMMIT (1U << 22) 724 /* Flush a Cache Line Optimized */ 725 #define CPUID_7_0_EBX_CLFLUSHOPT (1U << 23) 726 /* Cache Line Write Back */ 727 #define CPUID_7_0_EBX_CLWB (1U << 24) 728 /* Intel Processor Trace */ 729 #define CPUID_7_0_EBX_INTEL_PT (1U << 25) 730 /* AVX-512 Prefetch */ 731 #define CPUID_7_0_EBX_AVX512PF (1U << 26) 732 /* AVX-512 Exponential and Reciprocal */ 733 #define CPUID_7_0_EBX_AVX512ER (1U << 27) 734 /* AVX-512 Conflict Detection */ 735 #define CPUID_7_0_EBX_AVX512CD (1U << 28) 736 /* SHA1/SHA256 Instruction Extensions */ 737 #define CPUID_7_0_EBX_SHA_NI (1U << 29) 738 /* AVX-512 Byte and Word Instructions */ 739 #define CPUID_7_0_EBX_AVX512BW (1U << 30) 740 /* AVX-512 Vector Length Extensions */ 741 #define CPUID_7_0_EBX_AVX512VL (1U << 31) 742 743 /* AVX-512 Vector Byte Manipulation Instruction */ 744 #define CPUID_7_0_ECX_AVX512_VBMI (1U << 1) 745 /* User-Mode Instruction Prevention */ 746 #define CPUID_7_0_ECX_UMIP (1U << 2) 747 /* Protection Keys for User-mode Pages */ 748 #define CPUID_7_0_ECX_PKU (1U << 3) 749 /* OS Enable Protection Keys */ 750 #define CPUID_7_0_ECX_OSPKE (1U << 4) 751 /* UMONITOR/UMWAIT/TPAUSE Instructions */ 752 #define CPUID_7_0_ECX_WAITPKG (1U << 5) 753 /* Additional AVX-512 Vector Byte Manipulation Instruction */ 754 #define CPUID_7_0_ECX_AVX512_VBMI2 (1U << 6) 755 /* Galois Field New Instructions */ 756 #define CPUID_7_0_ECX_GFNI (1U << 8) 757 /* Vector AES Instructions */ 758 #define CPUID_7_0_ECX_VAES (1U << 9) 759 /* Carry-Less Multiplication Quadword */ 760 #define CPUID_7_0_ECX_VPCLMULQDQ (1U << 10) 761 /* Vector Neural Network Instructions */ 762 #define CPUID_7_0_ECX_AVX512VNNI (1U << 11) 763 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */ 764 #define CPUID_7_0_ECX_AVX512BITALG (1U << 12) 765 /* POPCNT for vectors of DW/QW */ 766 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ (1U << 14) 767 /* 5-level Page Tables */ 768 #define CPUID_7_0_ECX_LA57 (1U << 16) 769 /* Read Processor ID */ 770 #define CPUID_7_0_ECX_RDPID (1U << 22) 771 /* Bus Lock Debug Exception */ 772 #define CPUID_7_0_ECX_BUS_LOCK_DETECT (1U << 24) 773 /* Cache Line Demote Instruction */ 774 #define CPUID_7_0_ECX_CLDEMOTE (1U << 25) 775 /* Move Doubleword as Direct Store Instruction */ 776 #define CPUID_7_0_ECX_MOVDIRI (1U << 27) 777 /* Move 64 Bytes as Direct Store Instruction */ 778 #define CPUID_7_0_ECX_MOVDIR64B (1U << 28) 779 /* Protection Keys for Supervisor-mode Pages */ 780 #define CPUID_7_0_ECX_PKS (1U << 31) 781 782 /* AVX512 Neural Network Instructions */ 783 #define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) 784 /* AVX512 Multiply Accumulation Single Precision */ 785 #define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) 786 /* Fast Short Rep Mov */ 787 #define CPUID_7_0_EDX_FSRM (1U << 4) 788 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */ 789 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8) 790 /* SERIALIZE instruction */ 791 #define CPUID_7_0_EDX_SERIALIZE (1U << 14) 792 /* TSX Suspend Load Address Tracking instruction */ 793 #define CPUID_7_0_EDX_TSX_LDTRK (1U << 16) 794 /* AVX512_FP16 instruction */ 795 #define CPUID_7_0_EDX_AVX512_FP16 (1U << 23) 796 /* Speculation Control */ 797 #define CPUID_7_0_EDX_SPEC_CTRL (1U << 26) 798 /* Single Thread Indirect Branch Predictors */ 799 #define CPUID_7_0_EDX_STIBP (1U << 27) 800 /* Arch Capabilities */ 801 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29) 802 /* Core Capability */ 803 #define CPUID_7_0_EDX_CORE_CAPABILITY (1U << 30) 804 /* Speculative Store Bypass Disable */ 805 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD (1U << 31) 806 807 /* AVX512 BFloat16 Instruction */ 808 #define CPUID_7_1_EAX_AVX512_BF16 (1U << 5) 809 810 /* Packets which contain IP payload have LIP values */ 811 #define CPUID_14_0_ECX_LIP (1U << 31) 812 813 /* CLZERO instruction */ 814 #define CPUID_8000_0008_EBX_CLZERO (1U << 0) 815 /* Always save/restore FP error pointers */ 816 #define CPUID_8000_0008_EBX_XSAVEERPTR (1U << 2) 817 /* Write back and do not invalidate cache */ 818 #define CPUID_8000_0008_EBX_WBNOINVD (1U << 9) 819 /* Indirect Branch Prediction Barrier */ 820 #define CPUID_8000_0008_EBX_IBPB (1U << 12) 821 /* Indirect Branch Restricted Speculation */ 822 #define CPUID_8000_0008_EBX_IBRS (1U << 14) 823 /* Single Thread Indirect Branch Predictors */ 824 #define CPUID_8000_0008_EBX_STIBP (1U << 15) 825 /* Speculative Store Bypass Disable */ 826 #define CPUID_8000_0008_EBX_AMD_SSBD (1U << 24) 827 828 #define CPUID_XSAVE_XSAVEOPT (1U << 0) 829 #define CPUID_XSAVE_XSAVEC (1U << 1) 830 #define CPUID_XSAVE_XGETBV1 (1U << 2) 831 #define CPUID_XSAVE_XSAVES (1U << 3) 832 833 #define CPUID_6_EAX_ARAT (1U << 2) 834 835 /* CPUID[0x80000007].EDX flags: */ 836 #define CPUID_APM_INVTSC (1U << 8) 837 838 #define CPUID_VENDOR_SZ 12 839 840 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */ 841 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */ 842 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */ 843 #define CPUID_VENDOR_INTEL "GenuineIntel" 844 845 #define CPUID_VENDOR_AMD_1 0x68747541 /* "Auth" */ 846 #define CPUID_VENDOR_AMD_2 0x69746e65 /* "enti" */ 847 #define CPUID_VENDOR_AMD_3 0x444d4163 /* "cAMD" */ 848 #define CPUID_VENDOR_AMD "AuthenticAMD" 849 850 #define CPUID_VENDOR_VIA "CentaurHauls" 851 852 #define CPUID_VENDOR_HYGON "HygonGenuine" 853 854 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \ 855 (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \ 856 (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3) 857 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \ 858 (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \ 859 (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3) 860 861 #define CPUID_MWAIT_IBE (1U << 1) /* Interrupts can exit capability */ 862 #define CPUID_MWAIT_EMX (1U << 0) /* enumeration supported */ 863 864 /* CPUID[0xB].ECX level types */ 865 #define CPUID_TOPOLOGY_LEVEL_INVALID (0U << 8) 866 #define CPUID_TOPOLOGY_LEVEL_SMT (1U << 8) 867 #define CPUID_TOPOLOGY_LEVEL_CORE (2U << 8) 868 #define CPUID_TOPOLOGY_LEVEL_DIE (5U << 8) 869 870 /* MSR Feature Bits */ 871 #define MSR_ARCH_CAP_RDCL_NO (1U << 0) 872 #define MSR_ARCH_CAP_IBRS_ALL (1U << 1) 873 #define MSR_ARCH_CAP_RSBA (1U << 2) 874 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3) 875 #define MSR_ARCH_CAP_SSB_NO (1U << 4) 876 #define MSR_ARCH_CAP_MDS_NO (1U << 5) 877 #define MSR_ARCH_CAP_PSCHANGE_MC_NO (1U << 6) 878 #define MSR_ARCH_CAP_TSX_CTRL_MSR (1U << 7) 879 #define MSR_ARCH_CAP_TAA_NO (1U << 8) 880 881 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT (1U << 5) 882 883 /* VMX MSR features */ 884 #define MSR_VMX_BASIC_VMCS_REVISION_MASK 0x7FFFFFFFull 885 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK (0x00001FFFull << 32) 886 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK (0x003C0000ull << 32) 887 #define MSR_VMX_BASIC_DUAL_MONITOR (1ULL << 49) 888 #define MSR_VMX_BASIC_INS_OUTS (1ULL << 54) 889 #define MSR_VMX_BASIC_TRUE_CTLS (1ULL << 55) 890 891 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK 0x1Full 892 #define MSR_VMX_MISC_STORE_LMA (1ULL << 5) 893 #define MSR_VMX_MISC_ACTIVITY_HLT (1ULL << 6) 894 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN (1ULL << 7) 895 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI (1ULL << 8) 896 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK 0x0E000000ull 897 #define MSR_VMX_MISC_VMWRITE_VMEXIT (1ULL << 29) 898 #define MSR_VMX_MISC_ZERO_LEN_INJECT (1ULL << 30) 899 900 #define MSR_VMX_EPT_EXECONLY (1ULL << 0) 901 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4 (1ULL << 6) 902 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5 (1ULL << 7) 903 #define MSR_VMX_EPT_UC (1ULL << 8) 904 #define MSR_VMX_EPT_WB (1ULL << 14) 905 #define MSR_VMX_EPT_2MB (1ULL << 16) 906 #define MSR_VMX_EPT_1GB (1ULL << 17) 907 #define MSR_VMX_EPT_INVEPT (1ULL << 20) 908 #define MSR_VMX_EPT_AD_BITS (1ULL << 21) 909 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO (1ULL << 22) 910 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT (1ULL << 25) 911 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT (1ULL << 26) 912 #define MSR_VMX_EPT_INVVPID (1ULL << 32) 913 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR (1ULL << 40) 914 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT (1ULL << 41) 915 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT (1ULL << 42) 916 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43) 917 918 #define MSR_VMX_VMFUNC_EPT_SWITCHING (1ULL << 0) 919 920 921 /* VMX controls */ 922 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING 0x00000004 923 #define VMX_CPU_BASED_USE_TSC_OFFSETING 0x00000008 924 #define VMX_CPU_BASED_HLT_EXITING 0x00000080 925 #define VMX_CPU_BASED_INVLPG_EXITING 0x00000200 926 #define VMX_CPU_BASED_MWAIT_EXITING 0x00000400 927 #define VMX_CPU_BASED_RDPMC_EXITING 0x00000800 928 #define VMX_CPU_BASED_RDTSC_EXITING 0x00001000 929 #define VMX_CPU_BASED_CR3_LOAD_EXITING 0x00008000 930 #define VMX_CPU_BASED_CR3_STORE_EXITING 0x00010000 931 #define VMX_CPU_BASED_CR8_LOAD_EXITING 0x00080000 932 #define VMX_CPU_BASED_CR8_STORE_EXITING 0x00100000 933 #define VMX_CPU_BASED_TPR_SHADOW 0x00200000 934 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING 0x00400000 935 #define VMX_CPU_BASED_MOV_DR_EXITING 0x00800000 936 #define VMX_CPU_BASED_UNCOND_IO_EXITING 0x01000000 937 #define VMX_CPU_BASED_USE_IO_BITMAPS 0x02000000 938 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG 0x08000000 939 #define VMX_CPU_BASED_USE_MSR_BITMAPS 0x10000000 940 #define VMX_CPU_BASED_MONITOR_EXITING 0x20000000 941 #define VMX_CPU_BASED_PAUSE_EXITING 0x40000000 942 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS 0x80000000 943 944 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001 945 #define VMX_SECONDARY_EXEC_ENABLE_EPT 0x00000002 946 #define VMX_SECONDARY_EXEC_DESC 0x00000004 947 #define VMX_SECONDARY_EXEC_RDTSCP 0x00000008 948 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE 0x00000010 949 #define VMX_SECONDARY_EXEC_ENABLE_VPID 0x00000020 950 #define VMX_SECONDARY_EXEC_WBINVD_EXITING 0x00000040 951 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST 0x00000080 952 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT 0x00000100 953 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY 0x00000200 954 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING 0x00000400 955 #define VMX_SECONDARY_EXEC_RDRAND_EXITING 0x00000800 956 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID 0x00001000 957 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC 0x00002000 958 #define VMX_SECONDARY_EXEC_SHADOW_VMCS 0x00004000 959 #define VMX_SECONDARY_EXEC_ENCLS_EXITING 0x00008000 960 #define VMX_SECONDARY_EXEC_RDSEED_EXITING 0x00010000 961 #define VMX_SECONDARY_EXEC_ENABLE_PML 0x00020000 962 #define VMX_SECONDARY_EXEC_XSAVES 0x00100000 963 964 #define VMX_PIN_BASED_EXT_INTR_MASK 0x00000001 965 #define VMX_PIN_BASED_NMI_EXITING 0x00000008 966 #define VMX_PIN_BASED_VIRTUAL_NMIS 0x00000020 967 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER 0x00000040 968 #define VMX_PIN_BASED_POSTED_INTR 0x00000080 969 970 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS 0x00000004 971 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE 0x00000200 972 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL 0x00001000 973 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT 0x00008000 974 #define VMX_VM_EXIT_SAVE_IA32_PAT 0x00040000 975 #define VMX_VM_EXIT_LOAD_IA32_PAT 0x00080000 976 #define VMX_VM_EXIT_SAVE_IA32_EFER 0x00100000 977 #define VMX_VM_EXIT_LOAD_IA32_EFER 0x00200000 978 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER 0x00400000 979 #define VMX_VM_EXIT_CLEAR_BNDCFGS 0x00800000 980 #define VMX_VM_EXIT_PT_CONCEAL_PIP 0x01000000 981 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL 0x02000000 982 #define VMX_VM_EXIT_LOAD_IA32_PKRS 0x20000000 983 984 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS 0x00000004 985 #define VMX_VM_ENTRY_IA32E_MODE 0x00000200 986 #define VMX_VM_ENTRY_SMM 0x00000400 987 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR 0x00000800 988 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL 0x00002000 989 #define VMX_VM_ENTRY_LOAD_IA32_PAT 0x00004000 990 #define VMX_VM_ENTRY_LOAD_IA32_EFER 0x00008000 991 #define VMX_VM_ENTRY_LOAD_BNDCFGS 0x00010000 992 #define VMX_VM_ENTRY_PT_CONCEAL_PIP 0x00020000 993 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL 0x00040000 994 #define VMX_VM_ENTRY_LOAD_IA32_PKRS 0x00400000 995 996 /* Supported Hyper-V Enlightenments */ 997 #define HYPERV_FEAT_RELAXED 0 998 #define HYPERV_FEAT_VAPIC 1 999 #define HYPERV_FEAT_TIME 2 1000 #define HYPERV_FEAT_CRASH 3 1001 #define HYPERV_FEAT_RESET 4 1002 #define HYPERV_FEAT_VPINDEX 5 1003 #define HYPERV_FEAT_RUNTIME 6 1004 #define HYPERV_FEAT_SYNIC 7 1005 #define HYPERV_FEAT_STIMER 8 1006 #define HYPERV_FEAT_FREQUENCIES 9 1007 #define HYPERV_FEAT_REENLIGHTENMENT 10 1008 #define HYPERV_FEAT_TLBFLUSH 11 1009 #define HYPERV_FEAT_EVMCS 12 1010 #define HYPERV_FEAT_IPI 13 1011 #define HYPERV_FEAT_STIMER_DIRECT 14 1012 1013 #ifndef HYPERV_SPINLOCK_NEVER_NOTIFY 1014 #define HYPERV_SPINLOCK_NEVER_NOTIFY 0xFFFFFFFF 1015 #endif 1016 1017 #define EXCP00_DIVZ 0 1018 #define EXCP01_DB 1 1019 #define EXCP02_NMI 2 1020 #define EXCP03_INT3 3 1021 #define EXCP04_INTO 4 1022 #define EXCP05_BOUND 5 1023 #define EXCP06_ILLOP 6 1024 #define EXCP07_PREX 7 1025 #define EXCP08_DBLE 8 1026 #define EXCP09_XERR 9 1027 #define EXCP0A_TSS 10 1028 #define EXCP0B_NOSEG 11 1029 #define EXCP0C_STACK 12 1030 #define EXCP0D_GPF 13 1031 #define EXCP0E_PAGE 14 1032 #define EXCP10_COPR 16 1033 #define EXCP11_ALGN 17 1034 #define EXCP12_MCHK 18 1035 1036 #define EXCP_VMEXIT 0x100 /* only for system emulation */ 1037 #define EXCP_SYSCALL 0x101 /* only for user emulation */ 1038 #define EXCP_VSYSCALL 0x102 /* only for user emulation */ 1039 1040 /* i386-specific interrupt pending bits. */ 1041 #define CPU_INTERRUPT_POLL CPU_INTERRUPT_TGT_EXT_1 1042 #define CPU_INTERRUPT_SMI CPU_INTERRUPT_TGT_EXT_2 1043 #define CPU_INTERRUPT_NMI CPU_INTERRUPT_TGT_EXT_3 1044 #define CPU_INTERRUPT_MCE CPU_INTERRUPT_TGT_EXT_4 1045 #define CPU_INTERRUPT_VIRQ CPU_INTERRUPT_TGT_INT_0 1046 #define CPU_INTERRUPT_SIPI CPU_INTERRUPT_TGT_INT_1 1047 #define CPU_INTERRUPT_TPR CPU_INTERRUPT_TGT_INT_2 1048 1049 /* Use a clearer name for this. */ 1050 #define CPU_INTERRUPT_INIT CPU_INTERRUPT_RESET 1051 1052 /* Instead of computing the condition codes after each x86 instruction, 1053 * QEMU just stores one operand (called CC_SRC), the result 1054 * (called CC_DST) and the type of operation (called CC_OP). When the 1055 * condition codes are needed, the condition codes can be calculated 1056 * using this information. Condition codes are not generated if they 1057 * are only needed for conditional branches. 1058 */ 1059 typedef enum { 1060 CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */ 1061 CC_OP_EFLAGS, /* all cc are explicitly computed, CC_SRC = flags */ 1062 1063 CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */ 1064 CC_OP_MULW, 1065 CC_OP_MULL, 1066 CC_OP_MULQ, 1067 1068 CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 1069 CC_OP_ADDW, 1070 CC_OP_ADDL, 1071 CC_OP_ADDQ, 1072 1073 CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 1074 CC_OP_ADCW, 1075 CC_OP_ADCL, 1076 CC_OP_ADCQ, 1077 1078 CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 1079 CC_OP_SUBW, 1080 CC_OP_SUBL, 1081 CC_OP_SUBQ, 1082 1083 CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 1084 CC_OP_SBBW, 1085 CC_OP_SBBL, 1086 CC_OP_SBBQ, 1087 1088 CC_OP_LOGICB, /* modify all flags, CC_DST = res */ 1089 CC_OP_LOGICW, 1090 CC_OP_LOGICL, 1091 CC_OP_LOGICQ, 1092 1093 CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */ 1094 CC_OP_INCW, 1095 CC_OP_INCL, 1096 CC_OP_INCQ, 1097 1098 CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C */ 1099 CC_OP_DECW, 1100 CC_OP_DECL, 1101 CC_OP_DECQ, 1102 1103 CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */ 1104 CC_OP_SHLW, 1105 CC_OP_SHLL, 1106 CC_OP_SHLQ, 1107 1108 CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */ 1109 CC_OP_SARW, 1110 CC_OP_SARL, 1111 CC_OP_SARQ, 1112 1113 CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */ 1114 CC_OP_BMILGW, 1115 CC_OP_BMILGL, 1116 CC_OP_BMILGQ, 1117 1118 CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest. */ 1119 CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest. */ 1120 CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest. */ 1121 1122 CC_OP_CLR, /* Z set, all other flags clear. */ 1123 CC_OP_POPCNT, /* Z via CC_SRC, all other flags clear. */ 1124 1125 CC_OP_NB, 1126 } CCOp; 1127 1128 typedef struct SegmentCache { 1129 uint32_t selector; 1130 target_ulong base; 1131 uint32_t limit; 1132 uint32_t flags; 1133 } SegmentCache; 1134 1135 #define MMREG_UNION(n, bits) \ 1136 union n { \ 1137 uint8_t _b_##n[(bits)/8]; \ 1138 uint16_t _w_##n[(bits)/16]; \ 1139 uint32_t _l_##n[(bits)/32]; \ 1140 uint64_t _q_##n[(bits)/64]; \ 1141 float32 _s_##n[(bits)/32]; \ 1142 float64 _d_##n[(bits)/64]; \ 1143 } 1144 1145 typedef union { 1146 uint8_t _b[16]; 1147 uint16_t _w[8]; 1148 uint32_t _l[4]; 1149 uint64_t _q[2]; 1150 } XMMReg; 1151 1152 typedef union { 1153 uint8_t _b[32]; 1154 uint16_t _w[16]; 1155 uint32_t _l[8]; 1156 uint64_t _q[4]; 1157 } YMMReg; 1158 1159 typedef MMREG_UNION(ZMMReg, 512) ZMMReg; 1160 typedef MMREG_UNION(MMXReg, 64) MMXReg; 1161 1162 typedef struct BNDReg { 1163 uint64_t lb; 1164 uint64_t ub; 1165 } BNDReg; 1166 1167 typedef struct BNDCSReg { 1168 uint64_t cfgu; 1169 uint64_t sts; 1170 } BNDCSReg; 1171 1172 #define BNDCFG_ENABLE 1ULL 1173 #define BNDCFG_BNDPRESERVE 2ULL 1174 #define BNDCFG_BDIR_MASK TARGET_PAGE_MASK 1175 1176 #ifdef HOST_WORDS_BIGENDIAN 1177 #define ZMM_B(n) _b_ZMMReg[63 - (n)] 1178 #define ZMM_W(n) _w_ZMMReg[31 - (n)] 1179 #define ZMM_L(n) _l_ZMMReg[15 - (n)] 1180 #define ZMM_S(n) _s_ZMMReg[15 - (n)] 1181 #define ZMM_Q(n) _q_ZMMReg[7 - (n)] 1182 #define ZMM_D(n) _d_ZMMReg[7 - (n)] 1183 1184 #define MMX_B(n) _b_MMXReg[7 - (n)] 1185 #define MMX_W(n) _w_MMXReg[3 - (n)] 1186 #define MMX_L(n) _l_MMXReg[1 - (n)] 1187 #define MMX_S(n) _s_MMXReg[1 - (n)] 1188 #else 1189 #define ZMM_B(n) _b_ZMMReg[n] 1190 #define ZMM_W(n) _w_ZMMReg[n] 1191 #define ZMM_L(n) _l_ZMMReg[n] 1192 #define ZMM_S(n) _s_ZMMReg[n] 1193 #define ZMM_Q(n) _q_ZMMReg[n] 1194 #define ZMM_D(n) _d_ZMMReg[n] 1195 1196 #define MMX_B(n) _b_MMXReg[n] 1197 #define MMX_W(n) _w_MMXReg[n] 1198 #define MMX_L(n) _l_MMXReg[n] 1199 #define MMX_S(n) _s_MMXReg[n] 1200 #endif 1201 #define MMX_Q(n) _q_MMXReg[n] 1202 1203 typedef union { 1204 floatx80 d __attribute__((aligned(16))); 1205 MMXReg mmx; 1206 } FPReg; 1207 1208 typedef struct { 1209 uint64_t base; 1210 uint64_t mask; 1211 } MTRRVar; 1212 1213 #define CPU_NB_REGS64 16 1214 #define CPU_NB_REGS32 8 1215 1216 #ifdef TARGET_X86_64 1217 #define CPU_NB_REGS CPU_NB_REGS64 1218 #else 1219 #define CPU_NB_REGS CPU_NB_REGS32 1220 #endif 1221 1222 #define MAX_FIXED_COUNTERS 3 1223 #define MAX_GP_COUNTERS (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0) 1224 1225 #define TARGET_INSN_START_EXTRA_WORDS 1 1226 1227 #define NB_OPMASK_REGS 8 1228 1229 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish 1230 * that APIC ID hasn't been set yet 1231 */ 1232 #define UNASSIGNED_APIC_ID 0xFFFFFFFF 1233 1234 typedef union X86LegacyXSaveArea { 1235 struct { 1236 uint16_t fcw; 1237 uint16_t fsw; 1238 uint8_t ftw; 1239 uint8_t reserved; 1240 uint16_t fpop; 1241 uint64_t fpip; 1242 uint64_t fpdp; 1243 uint32_t mxcsr; 1244 uint32_t mxcsr_mask; 1245 FPReg fpregs[8]; 1246 uint8_t xmm_regs[16][16]; 1247 }; 1248 uint8_t data[512]; 1249 } X86LegacyXSaveArea; 1250 1251 typedef struct X86XSaveHeader { 1252 uint64_t xstate_bv; 1253 uint64_t xcomp_bv; 1254 uint64_t reserve0; 1255 uint8_t reserved[40]; 1256 } X86XSaveHeader; 1257 1258 /* Ext. save area 2: AVX State */ 1259 typedef struct XSaveAVX { 1260 uint8_t ymmh[16][16]; 1261 } XSaveAVX; 1262 1263 /* Ext. save area 3: BNDREG */ 1264 typedef struct XSaveBNDREG { 1265 BNDReg bnd_regs[4]; 1266 } XSaveBNDREG; 1267 1268 /* Ext. save area 4: BNDCSR */ 1269 typedef union XSaveBNDCSR { 1270 BNDCSReg bndcsr; 1271 uint8_t data[64]; 1272 } XSaveBNDCSR; 1273 1274 /* Ext. save area 5: Opmask */ 1275 typedef struct XSaveOpmask { 1276 uint64_t opmask_regs[NB_OPMASK_REGS]; 1277 } XSaveOpmask; 1278 1279 /* Ext. save area 6: ZMM_Hi256 */ 1280 typedef struct XSaveZMM_Hi256 { 1281 uint8_t zmm_hi256[16][32]; 1282 } XSaveZMM_Hi256; 1283 1284 /* Ext. save area 7: Hi16_ZMM */ 1285 typedef struct XSaveHi16_ZMM { 1286 uint8_t hi16_zmm[16][64]; 1287 } XSaveHi16_ZMM; 1288 1289 /* Ext. save area 9: PKRU state */ 1290 typedef struct XSavePKRU { 1291 uint32_t pkru; 1292 uint32_t padding; 1293 } XSavePKRU; 1294 1295 typedef struct X86XSaveArea { 1296 X86LegacyXSaveArea legacy; 1297 X86XSaveHeader header; 1298 1299 /* Extended save areas: */ 1300 1301 /* AVX State: */ 1302 XSaveAVX avx_state; 1303 uint8_t padding[960 - 576 - sizeof(XSaveAVX)]; 1304 /* MPX State: */ 1305 XSaveBNDREG bndreg_state; 1306 XSaveBNDCSR bndcsr_state; 1307 /* AVX-512 State: */ 1308 XSaveOpmask opmask_state; 1309 XSaveZMM_Hi256 zmm_hi256_state; 1310 XSaveHi16_ZMM hi16_zmm_state; 1311 /* PKRU State: */ 1312 XSavePKRU pkru_state; 1313 } X86XSaveArea; 1314 1315 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, avx_state) != 0x240); 1316 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100); 1317 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndreg_state) != 0x3c0); 1318 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40); 1319 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndcsr_state) != 0x400); 1320 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40); 1321 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, opmask_state) != 0x440); 1322 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40); 1323 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, zmm_hi256_state) != 0x480); 1324 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200); 1325 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, hi16_zmm_state) != 0x680); 1326 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400); 1327 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, pkru_state) != 0xA80); 1328 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8); 1329 1330 typedef enum TPRAccess { 1331 TPR_ACCESS_READ, 1332 TPR_ACCESS_WRITE, 1333 } TPRAccess; 1334 1335 /* Cache information data structures: */ 1336 1337 enum CacheType { 1338 DATA_CACHE, 1339 INSTRUCTION_CACHE, 1340 UNIFIED_CACHE 1341 }; 1342 1343 typedef struct CPUCacheInfo { 1344 enum CacheType type; 1345 uint8_t level; 1346 /* Size in bytes */ 1347 uint32_t size; 1348 /* Line size, in bytes */ 1349 uint16_t line_size; 1350 /* 1351 * Associativity. 1352 * Note: representation of fully-associative caches is not implemented 1353 */ 1354 uint8_t associativity; 1355 /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */ 1356 uint8_t partitions; 1357 /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */ 1358 uint32_t sets; 1359 /* 1360 * Lines per tag. 1361 * AMD-specific: CPUID[0x80000005], CPUID[0x80000006]. 1362 * (Is this synonym to @partitions?) 1363 */ 1364 uint8_t lines_per_tag; 1365 1366 /* Self-initializing cache */ 1367 bool self_init; 1368 /* 1369 * WBINVD/INVD is not guaranteed to act upon lower level caches of 1370 * non-originating threads sharing this cache. 1371 * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0] 1372 */ 1373 bool no_invd_sharing; 1374 /* 1375 * Cache is inclusive of lower cache levels. 1376 * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1]. 1377 */ 1378 bool inclusive; 1379 /* 1380 * A complex function is used to index the cache, potentially using all 1381 * address bits. CPUID[4].EDX[bit 2]. 1382 */ 1383 bool complex_indexing; 1384 } CPUCacheInfo; 1385 1386 1387 typedef struct CPUCaches { 1388 CPUCacheInfo *l1d_cache; 1389 CPUCacheInfo *l1i_cache; 1390 CPUCacheInfo *l2_cache; 1391 CPUCacheInfo *l3_cache; 1392 } CPUCaches; 1393 1394 typedef struct HVFX86LazyFlags { 1395 target_ulong result; 1396 target_ulong auxbits; 1397 } HVFX86LazyFlags; 1398 1399 typedef struct CPUX86State { 1400 /* standard registers */ 1401 target_ulong regs[CPU_NB_REGS]; 1402 target_ulong eip; 1403 target_ulong eflags; /* eflags register. During CPU emulation, CC 1404 flags and DF are set to zero because they are 1405 stored elsewhere */ 1406 1407 /* emulator internal eflags handling */ 1408 target_ulong cc_dst; 1409 target_ulong cc_src; 1410 target_ulong cc_src2; 1411 uint32_t cc_op; 1412 int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */ 1413 uint32_t hflags; /* TB flags, see HF_xxx constants. These flags 1414 are known at translation time. */ 1415 uint32_t hflags2; /* various other flags, see HF2_xxx constants. */ 1416 1417 /* segments */ 1418 SegmentCache segs[6]; /* selector values */ 1419 SegmentCache ldt; 1420 SegmentCache tr; 1421 SegmentCache gdt; /* only base and limit are used */ 1422 SegmentCache idt; /* only base and limit are used */ 1423 1424 target_ulong cr[5]; /* NOTE: cr1 is unused */ 1425 int32_t a20_mask; 1426 1427 BNDReg bnd_regs[4]; 1428 BNDCSReg bndcs_regs; 1429 uint64_t msr_bndcfgs; 1430 uint64_t efer; 1431 1432 /* Beginning of state preserved by INIT (dummy marker). */ 1433 struct {} start_init_save; 1434 1435 /* FPU state */ 1436 unsigned int fpstt; /* top of stack index */ 1437 uint16_t fpus; 1438 uint16_t fpuc; 1439 uint8_t fptags[8]; /* 0 = valid, 1 = empty */ 1440 FPReg fpregs[8]; 1441 /* KVM-only so far */ 1442 uint16_t fpop; 1443 uint64_t fpip; 1444 uint64_t fpdp; 1445 1446 /* emulator internal variables */ 1447 float_status fp_status; 1448 floatx80 ft0; 1449 1450 float_status mmx_status; /* for 3DNow! float ops */ 1451 float_status sse_status; 1452 uint32_t mxcsr; 1453 ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32]; 1454 ZMMReg xmm_t0; 1455 MMXReg mmx_t0; 1456 1457 XMMReg ymmh_regs[CPU_NB_REGS]; 1458 1459 uint64_t opmask_regs[NB_OPMASK_REGS]; 1460 YMMReg zmmh_regs[CPU_NB_REGS]; 1461 ZMMReg hi16_zmm_regs[CPU_NB_REGS]; 1462 1463 /* sysenter registers */ 1464 uint32_t sysenter_cs; 1465 target_ulong sysenter_esp; 1466 target_ulong sysenter_eip; 1467 uint64_t star; 1468 1469 uint64_t vm_hsave; 1470 1471 #ifdef TARGET_X86_64 1472 target_ulong lstar; 1473 target_ulong cstar; 1474 target_ulong fmask; 1475 target_ulong kernelgsbase; 1476 #endif 1477 1478 uint64_t tsc; 1479 uint64_t tsc_adjust; 1480 uint64_t tsc_deadline; 1481 uint64_t tsc_aux; 1482 1483 uint64_t xcr0; 1484 1485 uint64_t mcg_status; 1486 uint64_t msr_ia32_misc_enable; 1487 uint64_t msr_ia32_feature_control; 1488 1489 uint64_t msr_fixed_ctr_ctrl; 1490 uint64_t msr_global_ctrl; 1491 uint64_t msr_global_status; 1492 uint64_t msr_global_ovf_ctrl; 1493 uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS]; 1494 uint64_t msr_gp_counters[MAX_GP_COUNTERS]; 1495 uint64_t msr_gp_evtsel[MAX_GP_COUNTERS]; 1496 1497 uint64_t pat; 1498 uint32_t smbase; 1499 uint64_t msr_smi_count; 1500 1501 uint32_t pkru; 1502 uint32_t pkrs; 1503 uint32_t tsx_ctrl; 1504 1505 uint64_t spec_ctrl; 1506 uint64_t virt_ssbd; 1507 1508 /* End of state preserved by INIT (dummy marker). */ 1509 struct {} end_init_save; 1510 1511 uint64_t system_time_msr; 1512 uint64_t wall_clock_msr; 1513 uint64_t steal_time_msr; 1514 uint64_t async_pf_en_msr; 1515 uint64_t async_pf_int_msr; 1516 uint64_t pv_eoi_en_msr; 1517 uint64_t poll_control_msr; 1518 1519 /* Partition-wide HV MSRs, will be updated only on the first vcpu */ 1520 uint64_t msr_hv_hypercall; 1521 uint64_t msr_hv_guest_os_id; 1522 uint64_t msr_hv_tsc; 1523 1524 /* Per-VCPU HV MSRs */ 1525 uint64_t msr_hv_vapic; 1526 uint64_t msr_hv_crash_params[HV_CRASH_PARAMS]; 1527 uint64_t msr_hv_runtime; 1528 uint64_t msr_hv_synic_control; 1529 uint64_t msr_hv_synic_evt_page; 1530 uint64_t msr_hv_synic_msg_page; 1531 uint64_t msr_hv_synic_sint[HV_SINT_COUNT]; 1532 uint64_t msr_hv_stimer_config[HV_STIMER_COUNT]; 1533 uint64_t msr_hv_stimer_count[HV_STIMER_COUNT]; 1534 uint64_t msr_hv_reenlightenment_control; 1535 uint64_t msr_hv_tsc_emulation_control; 1536 uint64_t msr_hv_tsc_emulation_status; 1537 1538 uint64_t msr_rtit_ctrl; 1539 uint64_t msr_rtit_status; 1540 uint64_t msr_rtit_output_base; 1541 uint64_t msr_rtit_output_mask; 1542 uint64_t msr_rtit_cr3_match; 1543 uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS]; 1544 1545 /* exception/interrupt handling */ 1546 int error_code; 1547 int exception_is_int; 1548 target_ulong exception_next_eip; 1549 target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */ 1550 union { 1551 struct CPUBreakpoint *cpu_breakpoint[4]; 1552 struct CPUWatchpoint *cpu_watchpoint[4]; 1553 }; /* break/watchpoints for dr[0..3] */ 1554 int old_exception; /* exception in flight */ 1555 1556 uint64_t vm_vmcb; 1557 uint64_t tsc_offset; 1558 uint64_t intercept; 1559 uint16_t intercept_cr_read; 1560 uint16_t intercept_cr_write; 1561 uint16_t intercept_dr_read; 1562 uint16_t intercept_dr_write; 1563 uint32_t intercept_exceptions; 1564 uint64_t nested_cr3; 1565 uint32_t nested_pg_mode; 1566 uint8_t v_tpr; 1567 1568 /* KVM states, automatically cleared on reset */ 1569 uint8_t nmi_injected; 1570 uint8_t nmi_pending; 1571 1572 uintptr_t retaddr; 1573 1574 /* Fields up to this point are cleared by a CPU reset */ 1575 struct {} end_reset_fields; 1576 1577 /* Fields after this point are preserved across CPU reset. */ 1578 1579 /* processor features (e.g. for CPUID insn) */ 1580 /* Minimum cpuid leaf 7 value */ 1581 uint32_t cpuid_level_func7; 1582 /* Actual cpuid leaf 7 value */ 1583 uint32_t cpuid_min_level_func7; 1584 /* Minimum level/xlevel/xlevel2, based on CPU model + features */ 1585 uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2; 1586 /* Maximum level/xlevel/xlevel2 value for auto-assignment: */ 1587 uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2; 1588 /* Actual level/xlevel/xlevel2 value: */ 1589 uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2; 1590 uint32_t cpuid_vendor1; 1591 uint32_t cpuid_vendor2; 1592 uint32_t cpuid_vendor3; 1593 uint32_t cpuid_version; 1594 FeatureWordArray features; 1595 /* Features that were explicitly enabled/disabled */ 1596 FeatureWordArray user_features; 1597 uint32_t cpuid_model[12]; 1598 /* Cache information for CPUID. When legacy-cache=on, the cache data 1599 * on each CPUID leaf will be different, because we keep compatibility 1600 * with old QEMU versions. 1601 */ 1602 CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd; 1603 1604 /* MTRRs */ 1605 uint64_t mtrr_fixed[11]; 1606 uint64_t mtrr_deftype; 1607 MTRRVar mtrr_var[MSR_MTRRcap_VCNT]; 1608 1609 /* For KVM */ 1610 uint32_t mp_state; 1611 int32_t exception_nr; 1612 int32_t interrupt_injected; 1613 uint8_t soft_interrupt; 1614 uint8_t exception_pending; 1615 uint8_t exception_injected; 1616 uint8_t has_error_code; 1617 uint8_t exception_has_payload; 1618 uint64_t exception_payload; 1619 uint32_t ins_len; 1620 uint32_t sipi_vector; 1621 bool tsc_valid; 1622 int64_t tsc_khz; 1623 int64_t user_tsc_khz; /* for sanity check only */ 1624 uint64_t apic_bus_freq; 1625 #if defined(CONFIG_KVM) || defined(CONFIG_HVF) 1626 void *xsave_buf; 1627 #endif 1628 #if defined(CONFIG_KVM) 1629 struct kvm_nested_state *nested_state; 1630 #endif 1631 #if defined(CONFIG_HVF) 1632 HVFX86LazyFlags hvf_lflags; 1633 void *hvf_mmio_buf; 1634 #endif 1635 1636 uint64_t mcg_cap; 1637 uint64_t mcg_ctl; 1638 uint64_t mcg_ext_ctl; 1639 uint64_t mce_banks[MCE_BANKS_DEF*4]; 1640 uint64_t xstate_bv; 1641 1642 /* vmstate */ 1643 uint16_t fpus_vmstate; 1644 uint16_t fptag_vmstate; 1645 uint16_t fpregs_format_vmstate; 1646 1647 uint64_t xss; 1648 uint32_t umwait; 1649 1650 TPRAccess tpr_access_type; 1651 1652 unsigned nr_dies; 1653 } CPUX86State; 1654 1655 struct kvm_msrs; 1656 1657 /** 1658 * X86CPU: 1659 * @env: #CPUX86State 1660 * @migratable: If set, only migratable flags will be accepted when "enforce" 1661 * mode is used, and only migratable flags will be included in the "host" 1662 * CPU model. 1663 * 1664 * An x86 CPU. 1665 */ 1666 struct X86CPU { 1667 /*< private >*/ 1668 CPUState parent_obj; 1669 /*< public >*/ 1670 1671 CPUNegativeOffsetState neg; 1672 CPUX86State env; 1673 VMChangeStateEntry *vmsentry; 1674 1675 uint64_t ucode_rev; 1676 1677 uint32_t hyperv_spinlock_attempts; 1678 char *hyperv_vendor; 1679 bool hyperv_synic_kvm_only; 1680 uint64_t hyperv_features; 1681 bool hyperv_passthrough; 1682 OnOffAuto hyperv_no_nonarch_cs; 1683 uint32_t hyperv_vendor_id[3]; 1684 uint32_t hyperv_interface_id[4]; 1685 uint32_t hyperv_version_id[4]; 1686 uint32_t hyperv_limits[3]; 1687 1688 bool check_cpuid; 1689 bool enforce_cpuid; 1690 /* 1691 * Force features to be enabled even if the host doesn't support them. 1692 * This is dangerous and should be done only for testing CPUID 1693 * compatibility. 1694 */ 1695 bool force_features; 1696 bool expose_kvm; 1697 bool expose_tcg; 1698 bool migratable; 1699 bool migrate_smi_count; 1700 bool max_features; /* Enable all supported features automatically */ 1701 uint32_t apic_id; 1702 1703 /* Enables publishing of TSC increment and Local APIC bus frequencies to 1704 * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */ 1705 bool vmware_cpuid_freq; 1706 1707 /* if true the CPUID code directly forward host cache leaves to the guest */ 1708 bool cache_info_passthrough; 1709 1710 /* if true the CPUID code directly forwards 1711 * host monitor/mwait leaves to the guest */ 1712 struct { 1713 uint32_t eax; 1714 uint32_t ebx; 1715 uint32_t ecx; 1716 uint32_t edx; 1717 } mwait; 1718 1719 /* Features that were filtered out because of missing host capabilities */ 1720 FeatureWordArray filtered_features; 1721 1722 /* Enable PMU CPUID bits. This can't be enabled by default yet because 1723 * it doesn't have ABI stability guarantees, as it passes all PMU CPUID 1724 * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel 1725 * capabilities) directly to the guest. 1726 */ 1727 bool enable_pmu; 1728 1729 /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is 1730 * disabled by default to avoid breaking migration between QEMU with 1731 * different LMCE configurations. 1732 */ 1733 bool enable_lmce; 1734 1735 /* Compatibility bits for old machine types. 1736 * If true present virtual l3 cache for VM, the vcpus in the same virtual 1737 * socket share an virtual l3 cache. 1738 */ 1739 bool enable_l3_cache; 1740 1741 /* Compatibility bits for old machine types. 1742 * If true present the old cache topology information 1743 */ 1744 bool legacy_cache; 1745 1746 /* Compatibility bits for old machine types: */ 1747 bool enable_cpuid_0xb; 1748 1749 /* Enable auto level-increase for all CPUID leaves */ 1750 bool full_cpuid_auto_level; 1751 1752 /* Enable auto level-increase for Intel Processor Trace leave */ 1753 bool intel_pt_auto_level; 1754 1755 /* if true fill the top bits of the MTRR_PHYSMASKn variable range */ 1756 bool fill_mtrr_mask; 1757 1758 /* if true override the phys_bits value with a value read from the host */ 1759 bool host_phys_bits; 1760 1761 /* if set, limit maximum value for phys_bits when host_phys_bits is true */ 1762 uint8_t host_phys_bits_limit; 1763 1764 /* Stop SMI delivery for migration compatibility with old machines */ 1765 bool kvm_no_smi_migration; 1766 1767 /* Number of physical address bits supported */ 1768 uint32_t phys_bits; 1769 1770 /* in order to simplify APIC support, we leave this pointer to the 1771 user */ 1772 struct DeviceState *apic_state; 1773 struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram; 1774 Notifier machine_done; 1775 1776 struct kvm_msrs *kvm_msr_buf; 1777 1778 int32_t node_id; /* NUMA node this CPU belongs to */ 1779 int32_t socket_id; 1780 int32_t die_id; 1781 int32_t core_id; 1782 int32_t thread_id; 1783 1784 int32_t hv_max_vps; 1785 }; 1786 1787 1788 #ifndef CONFIG_USER_ONLY 1789 extern const VMStateDescription vmstate_x86_cpu; 1790 #endif 1791 1792 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request); 1793 1794 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu, 1795 int cpuid, void *opaque); 1796 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu, 1797 int cpuid, void *opaque); 1798 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu, 1799 void *opaque); 1800 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu, 1801 void *opaque); 1802 1803 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list, 1804 Error **errp); 1805 1806 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags); 1807 1808 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr, 1809 MemTxAttrs *attrs); 1810 1811 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg); 1812 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg); 1813 1814 void x86_cpu_list(void); 1815 int cpu_x86_support_mca_broadcast(CPUX86State *env); 1816 1817 int cpu_get_pic_interrupt(CPUX86State *s); 1818 /* MSDOS compatibility mode FPU exception support */ 1819 void x86_register_ferr_irq(qemu_irq irq); 1820 void cpu_set_ignne(void); 1821 /* mpx_helper.c */ 1822 void cpu_sync_bndcs_hflags(CPUX86State *env); 1823 1824 /* this function must always be used to load data in the segment 1825 cache: it synchronizes the hflags with the segment cache values */ 1826 static inline void cpu_x86_load_seg_cache(CPUX86State *env, 1827 X86Seg seg_reg, unsigned int selector, 1828 target_ulong base, 1829 unsigned int limit, 1830 unsigned int flags) 1831 { 1832 SegmentCache *sc; 1833 unsigned int new_hflags; 1834 1835 sc = &env->segs[seg_reg]; 1836 sc->selector = selector; 1837 sc->base = base; 1838 sc->limit = limit; 1839 sc->flags = flags; 1840 1841 /* update the hidden flags */ 1842 { 1843 if (seg_reg == R_CS) { 1844 #ifdef TARGET_X86_64 1845 if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) { 1846 /* long mode */ 1847 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK; 1848 env->hflags &= ~(HF_ADDSEG_MASK); 1849 } else 1850 #endif 1851 { 1852 /* legacy / compatibility case */ 1853 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK) 1854 >> (DESC_B_SHIFT - HF_CS32_SHIFT); 1855 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) | 1856 new_hflags; 1857 } 1858 } 1859 if (seg_reg == R_SS) { 1860 int cpl = (flags >> DESC_DPL_SHIFT) & 3; 1861 #if HF_CPL_MASK != 3 1862 #error HF_CPL_MASK is hardcoded 1863 #endif 1864 env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl; 1865 /* Possibly switch between BNDCFGS and BNDCFGU */ 1866 cpu_sync_bndcs_hflags(env); 1867 } 1868 new_hflags = (env->segs[R_SS].flags & DESC_B_MASK) 1869 >> (DESC_B_SHIFT - HF_SS32_SHIFT); 1870 if (env->hflags & HF_CS64_MASK) { 1871 /* zero base assumed for DS, ES and SS in long mode */ 1872 } else if (!(env->cr[0] & CR0_PE_MASK) || 1873 (env->eflags & VM_MASK) || 1874 !(env->hflags & HF_CS32_MASK)) { 1875 /* XXX: try to avoid this test. The problem comes from the 1876 fact that is real mode or vm86 mode we only modify the 1877 'base' and 'selector' fields of the segment cache to go 1878 faster. A solution may be to force addseg to one in 1879 translate-i386.c. */ 1880 new_hflags |= HF_ADDSEG_MASK; 1881 } else { 1882 new_hflags |= ((env->segs[R_DS].base | 1883 env->segs[R_ES].base | 1884 env->segs[R_SS].base) != 0) << 1885 HF_ADDSEG_SHIFT; 1886 } 1887 env->hflags = (env->hflags & 1888 ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags; 1889 } 1890 } 1891 1892 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu, 1893 uint8_t sipi_vector) 1894 { 1895 CPUState *cs = CPU(cpu); 1896 CPUX86State *env = &cpu->env; 1897 1898 env->eip = 0; 1899 cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8, 1900 sipi_vector << 12, 1901 env->segs[R_CS].limit, 1902 env->segs[R_CS].flags); 1903 cs->halted = 0; 1904 } 1905 1906 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector, 1907 target_ulong *base, unsigned int *limit, 1908 unsigned int *flags); 1909 1910 /* op_helper.c */ 1911 /* used for debug or cpu save/restore */ 1912 1913 /* cpu-exec.c */ 1914 /* the following helpers are only usable in user mode simulation as 1915 they can trigger unexpected exceptions */ 1916 void cpu_x86_load_seg(CPUX86State *s, X86Seg seg_reg, int selector); 1917 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32); 1918 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32); 1919 void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr); 1920 void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr); 1921 1922 /* you can call this signal handler from your SIGBUS and SIGSEGV 1923 signal handlers to inform the virtual CPU of exceptions. non zero 1924 is returned if the signal was handled by the virtual CPU. */ 1925 int cpu_x86_signal_handler(int host_signum, void *pinfo, 1926 void *puc); 1927 1928 /* cpu.c */ 1929 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, 1930 uint32_t *eax, uint32_t *ebx, 1931 uint32_t *ecx, uint32_t *edx); 1932 void cpu_clear_apic_feature(CPUX86State *env); 1933 void host_cpuid(uint32_t function, uint32_t count, 1934 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx); 1935 void host_vendor_fms(char *vendor, int *family, int *model, int *stepping); 1936 1937 /* helper.c */ 1938 void x86_cpu_set_a20(X86CPU *cpu, int a20_state); 1939 1940 #ifndef CONFIG_USER_ONLY 1941 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs) 1942 { 1943 return !!attrs.secure; 1944 } 1945 1946 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs) 1947 { 1948 return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs)); 1949 } 1950 1951 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr); 1952 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr); 1953 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr); 1954 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr); 1955 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val); 1956 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val); 1957 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val); 1958 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val); 1959 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val); 1960 #endif 1961 1962 /* will be suppressed */ 1963 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0); 1964 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3); 1965 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4); 1966 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7); 1967 1968 /* hw/pc.c */ 1969 uint64_t cpu_get_tsc(CPUX86State *env); 1970 1971 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU 1972 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX) 1973 #define CPU_RESOLVING_TYPE TYPE_X86_CPU 1974 1975 #ifdef TARGET_X86_64 1976 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64") 1977 #else 1978 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32") 1979 #endif 1980 1981 #define cpu_signal_handler cpu_x86_signal_handler 1982 #define cpu_list x86_cpu_list 1983 1984 /* MMU modes definitions */ 1985 #define MMU_KSMAP_IDX 0 1986 #define MMU_USER_IDX 1 1987 #define MMU_KNOSMAP_IDX 2 1988 static inline int cpu_mmu_index(CPUX86State *env, bool ifetch) 1989 { 1990 return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX : 1991 (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK)) 1992 ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX; 1993 } 1994 1995 static inline int cpu_mmu_index_kernel(CPUX86State *env) 1996 { 1997 return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX : 1998 ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK)) 1999 ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX; 2000 } 2001 2002 #define CC_DST (env->cc_dst) 2003 #define CC_SRC (env->cc_src) 2004 #define CC_SRC2 (env->cc_src2) 2005 #define CC_OP (env->cc_op) 2006 2007 typedef CPUX86State CPUArchState; 2008 typedef X86CPU ArchCPU; 2009 2010 #include "exec/cpu-all.h" 2011 #include "svm.h" 2012 2013 #if !defined(CONFIG_USER_ONLY) 2014 #include "hw/i386/apic.h" 2015 #endif 2016 2017 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc, 2018 target_ulong *cs_base, uint32_t *flags) 2019 { 2020 *cs_base = env->segs[R_CS].base; 2021 *pc = *cs_base + env->eip; 2022 *flags = env->hflags | 2023 (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK)); 2024 } 2025 2026 void do_cpu_init(X86CPU *cpu); 2027 void do_cpu_sipi(X86CPU *cpu); 2028 2029 #define MCE_INJECT_BROADCAST 1 2030 #define MCE_INJECT_UNCOND_AO 2 2031 2032 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank, 2033 uint64_t status, uint64_t mcg_status, uint64_t addr, 2034 uint64_t misc, int flags); 2035 2036 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op); 2037 2038 static inline uint32_t cpu_compute_eflags(CPUX86State *env) 2039 { 2040 uint32_t eflags = env->eflags; 2041 if (tcg_enabled()) { 2042 eflags |= cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK); 2043 } 2044 return eflags; 2045 } 2046 2047 2048 /* load efer and update the corresponding hflags. XXX: do consistency 2049 checks with cpuid bits? */ 2050 static inline void cpu_load_efer(CPUX86State *env, uint64_t val) 2051 { 2052 env->efer = val; 2053 env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK); 2054 if (env->efer & MSR_EFER_LMA) { 2055 env->hflags |= HF_LMA_MASK; 2056 } 2057 if (env->efer & MSR_EFER_SVME) { 2058 env->hflags |= HF_SVME_MASK; 2059 } 2060 } 2061 2062 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env) 2063 { 2064 return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 }); 2065 } 2066 2067 static inline int32_t x86_get_a20_mask(CPUX86State *env) 2068 { 2069 if (env->hflags & HF_SMM_MASK) { 2070 return -1; 2071 } else { 2072 return env->a20_mask; 2073 } 2074 } 2075 2076 static inline bool cpu_has_vmx(CPUX86State *env) 2077 { 2078 return env->features[FEAT_1_ECX] & CPUID_EXT_VMX; 2079 } 2080 2081 static inline bool cpu_has_svm(CPUX86State *env) 2082 { 2083 return env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM; 2084 } 2085 2086 /* 2087 * In order for a vCPU to enter VMX operation it must have CR4.VMXE set. 2088 * Since it was set, CR4.VMXE must remain set as long as vCPU is in 2089 * VMX operation. This is because CR4.VMXE is one of the bits set 2090 * in MSR_IA32_VMX_CR4_FIXED1. 2091 * 2092 * There is one exception to above statement when vCPU enters SMM mode. 2093 * When a vCPU enters SMM mode, it temporarily exit VMX operation and 2094 * may also reset CR4.VMXE during execution in SMM mode. 2095 * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation 2096 * and CR4.VMXE is restored to it's original value of being set. 2097 * 2098 * Therefore, when vCPU is not in SMM mode, we can infer whether 2099 * VMX is being used by examining CR4.VMXE. Otherwise, we cannot 2100 * know for certain. 2101 */ 2102 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env) 2103 { 2104 return cpu_has_vmx(env) && 2105 ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK)); 2106 } 2107 2108 /* fpu_helper.c */ 2109 void update_fp_status(CPUX86State *env); 2110 void update_mxcsr_status(CPUX86State *env); 2111 void update_mxcsr_from_sse_status(CPUX86State *env); 2112 2113 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr) 2114 { 2115 env->mxcsr = mxcsr; 2116 if (tcg_enabled()) { 2117 update_mxcsr_status(env); 2118 } 2119 } 2120 2121 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc) 2122 { 2123 env->fpuc = fpuc; 2124 if (tcg_enabled()) { 2125 update_fp_status(env); 2126 } 2127 } 2128 2129 /* mem_helper.c */ 2130 void helper_lock_init(void); 2131 2132 /* svm_helper.c */ 2133 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type, 2134 uint64_t param, uintptr_t retaddr); 2135 /* apic.c */ 2136 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access); 2137 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip, 2138 TPRAccess access); 2139 2140 2141 /* Change the value of a KVM-specific default 2142 * 2143 * If value is NULL, no default will be set and the original 2144 * value from the CPU model table will be kept. 2145 * 2146 * It is valid to call this function only for properties that 2147 * are already present in the kvm_default_props table. 2148 */ 2149 void x86_cpu_change_kvm_default(const char *prop, const char *value); 2150 2151 /* Special values for X86CPUVersion: */ 2152 2153 /* Resolve to latest CPU version */ 2154 #define CPU_VERSION_LATEST -1 2155 2156 /* 2157 * Resolve to version defined by current machine type. 2158 * See x86_cpu_set_default_version() 2159 */ 2160 #define CPU_VERSION_AUTO -2 2161 2162 /* Don't resolve to any versioned CPU models, like old QEMU versions */ 2163 #define CPU_VERSION_LEGACY 0 2164 2165 typedef int X86CPUVersion; 2166 2167 /* 2168 * Set default CPU model version for CPU models having 2169 * version == CPU_VERSION_AUTO. 2170 */ 2171 void x86_cpu_set_default_version(X86CPUVersion version); 2172 2173 #define APIC_DEFAULT_ADDRESS 0xfee00000 2174 #define APIC_SPACE_SIZE 0x100000 2175 2176 /* cpu-dump.c */ 2177 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags); 2178 2179 /* cpu.c */ 2180 bool cpu_is_bsp(X86CPU *cpu); 2181 2182 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const X86XSaveArea *buf); 2183 void x86_cpu_xsave_all_areas(X86CPU *cpu, X86XSaveArea *buf); 2184 void x86_update_hflags(CPUX86State* env); 2185 2186 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat) 2187 { 2188 return !!(cpu->hyperv_features & BIT(feat)); 2189 } 2190 2191 #if defined(TARGET_X86_64) && \ 2192 defined(CONFIG_USER_ONLY) && \ 2193 defined(CONFIG_LINUX) 2194 # define TARGET_VSYSCALL_PAGE (UINT64_C(-10) << 20) 2195 #endif 2196 2197 #endif /* I386_CPU_H */ 2198