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 #define HF2_VGIF_SHIFT 8 /* Can take VIRQ*/ 207 208 #define HF2_GIF_MASK (1 << HF2_GIF_SHIFT) 209 #define HF2_HIF_MASK (1 << HF2_HIF_SHIFT) 210 #define HF2_NMI_MASK (1 << HF2_NMI_SHIFT) 211 #define HF2_VINTR_MASK (1 << HF2_VINTR_SHIFT) 212 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT) 213 #define HF2_MPX_PR_MASK (1 << HF2_MPX_PR_SHIFT) 214 #define HF2_NPT_MASK (1 << HF2_NPT_SHIFT) 215 #define HF2_IGNNE_MASK (1 << HF2_IGNNE_SHIFT) 216 #define HF2_VGIF_MASK (1 << HF2_VGIF_SHIFT) 217 218 #define CR0_PE_SHIFT 0 219 #define CR0_MP_SHIFT 1 220 221 #define CR0_PE_MASK (1U << 0) 222 #define CR0_MP_MASK (1U << 1) 223 #define CR0_EM_MASK (1U << 2) 224 #define CR0_TS_MASK (1U << 3) 225 #define CR0_ET_MASK (1U << 4) 226 #define CR0_NE_MASK (1U << 5) 227 #define CR0_WP_MASK (1U << 16) 228 #define CR0_AM_MASK (1U << 18) 229 #define CR0_NW_MASK (1U << 29) 230 #define CR0_CD_MASK (1U << 30) 231 #define CR0_PG_MASK (1U << 31) 232 233 #define CR4_VME_MASK (1U << 0) 234 #define CR4_PVI_MASK (1U << 1) 235 #define CR4_TSD_MASK (1U << 2) 236 #define CR4_DE_MASK (1U << 3) 237 #define CR4_PSE_MASK (1U << 4) 238 #define CR4_PAE_MASK (1U << 5) 239 #define CR4_MCE_MASK (1U << 6) 240 #define CR4_PGE_MASK (1U << 7) 241 #define CR4_PCE_MASK (1U << 8) 242 #define CR4_OSFXSR_SHIFT 9 243 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT) 244 #define CR4_OSXMMEXCPT_MASK (1U << 10) 245 #define CR4_UMIP_MASK (1U << 11) 246 #define CR4_LA57_MASK (1U << 12) 247 #define CR4_VMXE_MASK (1U << 13) 248 #define CR4_SMXE_MASK (1U << 14) 249 #define CR4_FSGSBASE_MASK (1U << 16) 250 #define CR4_PCIDE_MASK (1U << 17) 251 #define CR4_OSXSAVE_MASK (1U << 18) 252 #define CR4_SMEP_MASK (1U << 20) 253 #define CR4_SMAP_MASK (1U << 21) 254 #define CR4_PKE_MASK (1U << 22) 255 #define CR4_PKS_MASK (1U << 24) 256 257 #define CR4_RESERVED_MASK \ 258 (~(target_ulong)(CR4_VME_MASK | CR4_PVI_MASK | CR4_TSD_MASK \ 259 | CR4_DE_MASK | CR4_PSE_MASK | CR4_PAE_MASK \ 260 | CR4_MCE_MASK | CR4_PGE_MASK | CR4_PCE_MASK \ 261 | CR4_OSFXSR_MASK | CR4_OSXMMEXCPT_MASK |CR4_UMIP_MASK \ 262 | CR4_LA57_MASK \ 263 | CR4_FSGSBASE_MASK | CR4_PCIDE_MASK | CR4_OSXSAVE_MASK \ 264 | CR4_SMEP_MASK | CR4_SMAP_MASK | CR4_PKE_MASK | CR4_PKS_MASK)) 265 266 #define DR6_BD (1 << 13) 267 #define DR6_BS (1 << 14) 268 #define DR6_BT (1 << 15) 269 #define DR6_FIXED_1 0xffff0ff0 270 271 #define DR7_GD (1 << 13) 272 #define DR7_TYPE_SHIFT 16 273 #define DR7_LEN_SHIFT 18 274 #define DR7_FIXED_1 0x00000400 275 #define DR7_GLOBAL_BP_MASK 0xaa 276 #define DR7_LOCAL_BP_MASK 0x55 277 #define DR7_MAX_BP 4 278 #define DR7_TYPE_BP_INST 0x0 279 #define DR7_TYPE_DATA_WR 0x1 280 #define DR7_TYPE_IO_RW 0x2 281 #define DR7_TYPE_DATA_RW 0x3 282 283 #define DR_RESERVED_MASK 0xffffffff00000000ULL 284 285 #define PG_PRESENT_BIT 0 286 #define PG_RW_BIT 1 287 #define PG_USER_BIT 2 288 #define PG_PWT_BIT 3 289 #define PG_PCD_BIT 4 290 #define PG_ACCESSED_BIT 5 291 #define PG_DIRTY_BIT 6 292 #define PG_PSE_BIT 7 293 #define PG_GLOBAL_BIT 8 294 #define PG_PSE_PAT_BIT 12 295 #define PG_PKRU_BIT 59 296 #define PG_NX_BIT 63 297 298 #define PG_PRESENT_MASK (1 << PG_PRESENT_BIT) 299 #define PG_RW_MASK (1 << PG_RW_BIT) 300 #define PG_USER_MASK (1 << PG_USER_BIT) 301 #define PG_PWT_MASK (1 << PG_PWT_BIT) 302 #define PG_PCD_MASK (1 << PG_PCD_BIT) 303 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT) 304 #define PG_DIRTY_MASK (1 << PG_DIRTY_BIT) 305 #define PG_PSE_MASK (1 << PG_PSE_BIT) 306 #define PG_GLOBAL_MASK (1 << PG_GLOBAL_BIT) 307 #define PG_PSE_PAT_MASK (1 << PG_PSE_PAT_BIT) 308 #define PG_ADDRESS_MASK 0x000ffffffffff000LL 309 #define PG_HI_USER_MASK 0x7ff0000000000000LL 310 #define PG_PKRU_MASK (15ULL << PG_PKRU_BIT) 311 #define PG_NX_MASK (1ULL << PG_NX_BIT) 312 313 #define PG_ERROR_W_BIT 1 314 315 #define PG_ERROR_P_MASK 0x01 316 #define PG_ERROR_W_MASK (1 << PG_ERROR_W_BIT) 317 #define PG_ERROR_U_MASK 0x04 318 #define PG_ERROR_RSVD_MASK 0x08 319 #define PG_ERROR_I_D_MASK 0x10 320 #define PG_ERROR_PK_MASK 0x20 321 322 #define PG_MODE_PAE (1 << 0) 323 #define PG_MODE_LMA (1 << 1) 324 #define PG_MODE_NXE (1 << 2) 325 #define PG_MODE_PSE (1 << 3) 326 #define PG_MODE_LA57 (1 << 4) 327 #define PG_MODE_SVM_MASK MAKE_64BIT_MASK(0, 15) 328 329 /* Bits of CR4 that do not affect the NPT page format. */ 330 #define PG_MODE_WP (1 << 16) 331 #define PG_MODE_PKE (1 << 17) 332 #define PG_MODE_PKS (1 << 18) 333 #define PG_MODE_SMEP (1 << 19) 334 335 #define MCG_CTL_P (1ULL<<8) /* MCG_CAP register available */ 336 #define MCG_SER_P (1ULL<<24) /* MCA recovery/new status bits */ 337 #define MCG_LMCE_P (1ULL<<27) /* Local Machine Check Supported */ 338 339 #define MCE_CAP_DEF (MCG_CTL_P|MCG_SER_P) 340 #define MCE_BANKS_DEF 10 341 342 #define MCG_CAP_BANKS_MASK 0xff 343 344 #define MCG_STATUS_RIPV (1ULL<<0) /* restart ip valid */ 345 #define MCG_STATUS_EIPV (1ULL<<1) /* ip points to correct instruction */ 346 #define MCG_STATUS_MCIP (1ULL<<2) /* machine check in progress */ 347 #define MCG_STATUS_LMCE (1ULL<<3) /* Local MCE signaled */ 348 349 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */ 350 351 #define MCI_STATUS_VAL (1ULL<<63) /* valid error */ 352 #define MCI_STATUS_OVER (1ULL<<62) /* previous errors lost */ 353 #define MCI_STATUS_UC (1ULL<<61) /* uncorrected error */ 354 #define MCI_STATUS_EN (1ULL<<60) /* error enabled */ 355 #define MCI_STATUS_MISCV (1ULL<<59) /* misc error reg. valid */ 356 #define MCI_STATUS_ADDRV (1ULL<<58) /* addr reg. valid */ 357 #define MCI_STATUS_PCC (1ULL<<57) /* processor context corrupt */ 358 #define MCI_STATUS_S (1ULL<<56) /* Signaled machine check */ 359 #define MCI_STATUS_AR (1ULL<<55) /* Action required */ 360 361 /* MISC register defines */ 362 #define MCM_ADDR_SEGOFF 0 /* segment offset */ 363 #define MCM_ADDR_LINEAR 1 /* linear address */ 364 #define MCM_ADDR_PHYS 2 /* physical address */ 365 #define MCM_ADDR_MEM 3 /* memory address */ 366 #define MCM_ADDR_GENERIC 7 /* generic */ 367 368 #define MSR_IA32_TSC 0x10 369 #define MSR_IA32_APICBASE 0x1b 370 #define MSR_IA32_APICBASE_BSP (1<<8) 371 #define MSR_IA32_APICBASE_ENABLE (1<<11) 372 #define MSR_IA32_APICBASE_EXTD (1 << 10) 373 #define MSR_IA32_APICBASE_BASE (0xfffffU<<12) 374 #define MSR_IA32_FEATURE_CONTROL 0x0000003a 375 #define MSR_TSC_ADJUST 0x0000003b 376 #define MSR_IA32_SPEC_CTRL 0x48 377 #define MSR_VIRT_SSBD 0xc001011f 378 #define MSR_IA32_PRED_CMD 0x49 379 #define MSR_IA32_UCODE_REV 0x8b 380 #define MSR_IA32_CORE_CAPABILITY 0xcf 381 382 #define MSR_IA32_ARCH_CAPABILITIES 0x10a 383 #define ARCH_CAP_TSX_CTRL_MSR (1<<7) 384 385 #define MSR_IA32_PERF_CAPABILITIES 0x345 386 387 #define MSR_IA32_TSX_CTRL 0x122 388 #define MSR_IA32_TSCDEADLINE 0x6e0 389 #define MSR_IA32_PKRS 0x6e1 390 391 #define FEATURE_CONTROL_LOCKED (1<<0) 392 #define FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX (1ULL << 1) 393 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2) 394 #define FEATURE_CONTROL_SGX_LC (1ULL << 17) 395 #define FEATURE_CONTROL_SGX (1ULL << 18) 396 #define FEATURE_CONTROL_LMCE (1<<20) 397 398 #define MSR_IA32_SGXLEPUBKEYHASH0 0x8c 399 #define MSR_IA32_SGXLEPUBKEYHASH1 0x8d 400 #define MSR_IA32_SGXLEPUBKEYHASH2 0x8e 401 #define MSR_IA32_SGXLEPUBKEYHASH3 0x8f 402 403 #define MSR_P6_PERFCTR0 0xc1 404 405 #define MSR_IA32_SMBASE 0x9e 406 #define MSR_SMI_COUNT 0x34 407 #define MSR_CORE_THREAD_COUNT 0x35 408 #define MSR_MTRRcap 0xfe 409 #define MSR_MTRRcap_VCNT 8 410 #define MSR_MTRRcap_FIXRANGE_SUPPORT (1 << 8) 411 #define MSR_MTRRcap_WC_SUPPORTED (1 << 10) 412 413 #define MSR_IA32_SYSENTER_CS 0x174 414 #define MSR_IA32_SYSENTER_ESP 0x175 415 #define MSR_IA32_SYSENTER_EIP 0x176 416 417 #define MSR_MCG_CAP 0x179 418 #define MSR_MCG_STATUS 0x17a 419 #define MSR_MCG_CTL 0x17b 420 #define MSR_MCG_EXT_CTL 0x4d0 421 422 #define MSR_P6_EVNTSEL0 0x186 423 424 #define MSR_IA32_PERF_STATUS 0x198 425 426 #define MSR_IA32_MISC_ENABLE 0x1a0 427 /* Indicates good rep/movs microcode on some processors: */ 428 #define MSR_IA32_MISC_ENABLE_DEFAULT 1 429 #define MSR_IA32_MISC_ENABLE_MWAIT (1ULL << 18) 430 431 #define MSR_MTRRphysBase(reg) (0x200 + 2 * (reg)) 432 #define MSR_MTRRphysMask(reg) (0x200 + 2 * (reg) + 1) 433 434 #define MSR_MTRRphysIndex(addr) ((((addr) & ~1u) - 0x200) / 2) 435 436 #define MSR_MTRRfix64K_00000 0x250 437 #define MSR_MTRRfix16K_80000 0x258 438 #define MSR_MTRRfix16K_A0000 0x259 439 #define MSR_MTRRfix4K_C0000 0x268 440 #define MSR_MTRRfix4K_C8000 0x269 441 #define MSR_MTRRfix4K_D0000 0x26a 442 #define MSR_MTRRfix4K_D8000 0x26b 443 #define MSR_MTRRfix4K_E0000 0x26c 444 #define MSR_MTRRfix4K_E8000 0x26d 445 #define MSR_MTRRfix4K_F0000 0x26e 446 #define MSR_MTRRfix4K_F8000 0x26f 447 448 #define MSR_PAT 0x277 449 450 #define MSR_MTRRdefType 0x2ff 451 452 #define MSR_CORE_PERF_FIXED_CTR0 0x309 453 #define MSR_CORE_PERF_FIXED_CTR1 0x30a 454 #define MSR_CORE_PERF_FIXED_CTR2 0x30b 455 #define MSR_CORE_PERF_FIXED_CTR_CTRL 0x38d 456 #define MSR_CORE_PERF_GLOBAL_STATUS 0x38e 457 #define MSR_CORE_PERF_GLOBAL_CTRL 0x38f 458 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL 0x390 459 460 #define MSR_MC0_CTL 0x400 461 #define MSR_MC0_STATUS 0x401 462 #define MSR_MC0_ADDR 0x402 463 #define MSR_MC0_MISC 0x403 464 465 #define MSR_IA32_RTIT_OUTPUT_BASE 0x560 466 #define MSR_IA32_RTIT_OUTPUT_MASK 0x561 467 #define MSR_IA32_RTIT_CTL 0x570 468 #define MSR_IA32_RTIT_STATUS 0x571 469 #define MSR_IA32_RTIT_CR3_MATCH 0x572 470 #define MSR_IA32_RTIT_ADDR0_A 0x580 471 #define MSR_IA32_RTIT_ADDR0_B 0x581 472 #define MSR_IA32_RTIT_ADDR1_A 0x582 473 #define MSR_IA32_RTIT_ADDR1_B 0x583 474 #define MSR_IA32_RTIT_ADDR2_A 0x584 475 #define MSR_IA32_RTIT_ADDR2_B 0x585 476 #define MSR_IA32_RTIT_ADDR3_A 0x586 477 #define MSR_IA32_RTIT_ADDR3_B 0x587 478 #define MAX_RTIT_ADDRS 8 479 480 #define MSR_EFER 0xc0000080 481 482 #define MSR_EFER_SCE (1 << 0) 483 #define MSR_EFER_LME (1 << 8) 484 #define MSR_EFER_LMA (1 << 10) 485 #define MSR_EFER_NXE (1 << 11) 486 #define MSR_EFER_SVME (1 << 12) 487 #define MSR_EFER_FFXSR (1 << 14) 488 489 #define MSR_EFER_RESERVED\ 490 (~(target_ulong)(MSR_EFER_SCE | MSR_EFER_LME\ 491 | MSR_EFER_LMA | MSR_EFER_NXE | MSR_EFER_SVME\ 492 | MSR_EFER_FFXSR)) 493 494 #define MSR_STAR 0xc0000081 495 #define MSR_LSTAR 0xc0000082 496 #define MSR_CSTAR 0xc0000083 497 #define MSR_FMASK 0xc0000084 498 #define MSR_FSBASE 0xc0000100 499 #define MSR_GSBASE 0xc0000101 500 #define MSR_KERNELGSBASE 0xc0000102 501 #define MSR_TSC_AUX 0xc0000103 502 #define MSR_AMD64_TSC_RATIO 0xc0000104 503 504 #define MSR_AMD64_TSC_RATIO_DEFAULT 0x100000000ULL 505 506 #define MSR_VM_HSAVE_PA 0xc0010117 507 508 #define MSR_IA32_BNDCFGS 0x00000d90 509 #define MSR_IA32_XSS 0x00000da0 510 #define MSR_IA32_UMWAIT_CONTROL 0xe1 511 512 #define MSR_IA32_VMX_BASIC 0x00000480 513 #define MSR_IA32_VMX_PINBASED_CTLS 0x00000481 514 #define MSR_IA32_VMX_PROCBASED_CTLS 0x00000482 515 #define MSR_IA32_VMX_EXIT_CTLS 0x00000483 516 #define MSR_IA32_VMX_ENTRY_CTLS 0x00000484 517 #define MSR_IA32_VMX_MISC 0x00000485 518 #define MSR_IA32_VMX_CR0_FIXED0 0x00000486 519 #define MSR_IA32_VMX_CR0_FIXED1 0x00000487 520 #define MSR_IA32_VMX_CR4_FIXED0 0x00000488 521 #define MSR_IA32_VMX_CR4_FIXED1 0x00000489 522 #define MSR_IA32_VMX_VMCS_ENUM 0x0000048a 523 #define MSR_IA32_VMX_PROCBASED_CTLS2 0x0000048b 524 #define MSR_IA32_VMX_EPT_VPID_CAP 0x0000048c 525 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS 0x0000048d 526 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e 527 #define MSR_IA32_VMX_TRUE_EXIT_CTLS 0x0000048f 528 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS 0x00000490 529 #define MSR_IA32_VMX_VMFUNC 0x00000491 530 531 #define XSTATE_FP_BIT 0 532 #define XSTATE_SSE_BIT 1 533 #define XSTATE_YMM_BIT 2 534 #define XSTATE_BNDREGS_BIT 3 535 #define XSTATE_BNDCSR_BIT 4 536 #define XSTATE_OPMASK_BIT 5 537 #define XSTATE_ZMM_Hi256_BIT 6 538 #define XSTATE_Hi16_ZMM_BIT 7 539 #define XSTATE_PKRU_BIT 9 540 541 #define XSTATE_FP_MASK (1ULL << XSTATE_FP_BIT) 542 #define XSTATE_SSE_MASK (1ULL << XSTATE_SSE_BIT) 543 #define XSTATE_YMM_MASK (1ULL << XSTATE_YMM_BIT) 544 #define XSTATE_BNDREGS_MASK (1ULL << XSTATE_BNDREGS_BIT) 545 #define XSTATE_BNDCSR_MASK (1ULL << XSTATE_BNDCSR_BIT) 546 #define XSTATE_OPMASK_MASK (1ULL << XSTATE_OPMASK_BIT) 547 #define XSTATE_ZMM_Hi256_MASK (1ULL << XSTATE_ZMM_Hi256_BIT) 548 #define XSTATE_Hi16_ZMM_MASK (1ULL << XSTATE_Hi16_ZMM_BIT) 549 #define XSTATE_PKRU_MASK (1ULL << XSTATE_PKRU_BIT) 550 551 /* CPUID feature words */ 552 typedef enum FeatureWord { 553 FEAT_1_EDX, /* CPUID[1].EDX */ 554 FEAT_1_ECX, /* CPUID[1].ECX */ 555 FEAT_7_0_EBX, /* CPUID[EAX=7,ECX=0].EBX */ 556 FEAT_7_0_ECX, /* CPUID[EAX=7,ECX=0].ECX */ 557 FEAT_7_0_EDX, /* CPUID[EAX=7,ECX=0].EDX */ 558 FEAT_7_1_EAX, /* CPUID[EAX=7,ECX=1].EAX */ 559 FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */ 560 FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */ 561 FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */ 562 FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */ 563 FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */ 564 FEAT_KVM, /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */ 565 FEAT_KVM_HINTS, /* CPUID[4000_0001].EDX */ 566 FEAT_SVM, /* CPUID[8000_000A].EDX */ 567 FEAT_XSAVE, /* CPUID[EAX=0xd,ECX=1].EAX */ 568 FEAT_6_EAX, /* CPUID[6].EAX */ 569 FEAT_XSAVE_COMP_LO, /* CPUID[EAX=0xd,ECX=0].EAX */ 570 FEAT_XSAVE_COMP_HI, /* CPUID[EAX=0xd,ECX=0].EDX */ 571 FEAT_ARCH_CAPABILITIES, 572 FEAT_CORE_CAPABILITY, 573 FEAT_PERF_CAPABILITIES, 574 FEAT_VMX_PROCBASED_CTLS, 575 FEAT_VMX_SECONDARY_CTLS, 576 FEAT_VMX_PINBASED_CTLS, 577 FEAT_VMX_EXIT_CTLS, 578 FEAT_VMX_ENTRY_CTLS, 579 FEAT_VMX_MISC, 580 FEAT_VMX_EPT_VPID_CAPS, 581 FEAT_VMX_BASIC, 582 FEAT_VMX_VMFUNC, 583 FEAT_14_0_ECX, 584 FEAT_SGX_12_0_EAX, /* CPUID[EAX=0x12,ECX=0].EAX (SGX) */ 585 FEAT_SGX_12_0_EBX, /* CPUID[EAX=0x12,ECX=0].EBX (SGX MISCSELECT[31:0]) */ 586 FEAT_SGX_12_1_EAX, /* CPUID[EAX=0x12,ECX=1].EAX (SGX ATTRIBUTES[31:0]) */ 587 FEATURE_WORDS, 588 } FeatureWord; 589 590 typedef uint64_t FeatureWordArray[FEATURE_WORDS]; 591 592 /* cpuid_features bits */ 593 #define CPUID_FP87 (1U << 0) 594 #define CPUID_VME (1U << 1) 595 #define CPUID_DE (1U << 2) 596 #define CPUID_PSE (1U << 3) 597 #define CPUID_TSC (1U << 4) 598 #define CPUID_MSR (1U << 5) 599 #define CPUID_PAE (1U << 6) 600 #define CPUID_MCE (1U << 7) 601 #define CPUID_CX8 (1U << 8) 602 #define CPUID_APIC (1U << 9) 603 #define CPUID_SEP (1U << 11) /* sysenter/sysexit */ 604 #define CPUID_MTRR (1U << 12) 605 #define CPUID_PGE (1U << 13) 606 #define CPUID_MCA (1U << 14) 607 #define CPUID_CMOV (1U << 15) 608 #define CPUID_PAT (1U << 16) 609 #define CPUID_PSE36 (1U << 17) 610 #define CPUID_PN (1U << 18) 611 #define CPUID_CLFLUSH (1U << 19) 612 #define CPUID_DTS (1U << 21) 613 #define CPUID_ACPI (1U << 22) 614 #define CPUID_MMX (1U << 23) 615 #define CPUID_FXSR (1U << 24) 616 #define CPUID_SSE (1U << 25) 617 #define CPUID_SSE2 (1U << 26) 618 #define CPUID_SS (1U << 27) 619 #define CPUID_HT (1U << 28) 620 #define CPUID_TM (1U << 29) 621 #define CPUID_IA64 (1U << 30) 622 #define CPUID_PBE (1U << 31) 623 624 #define CPUID_EXT_SSE3 (1U << 0) 625 #define CPUID_EXT_PCLMULQDQ (1U << 1) 626 #define CPUID_EXT_DTES64 (1U << 2) 627 #define CPUID_EXT_MONITOR (1U << 3) 628 #define CPUID_EXT_DSCPL (1U << 4) 629 #define CPUID_EXT_VMX (1U << 5) 630 #define CPUID_EXT_SMX (1U << 6) 631 #define CPUID_EXT_EST (1U << 7) 632 #define CPUID_EXT_TM2 (1U << 8) 633 #define CPUID_EXT_SSSE3 (1U << 9) 634 #define CPUID_EXT_CID (1U << 10) 635 #define CPUID_EXT_FMA (1U << 12) 636 #define CPUID_EXT_CX16 (1U << 13) 637 #define CPUID_EXT_XTPR (1U << 14) 638 #define CPUID_EXT_PDCM (1U << 15) 639 #define CPUID_EXT_PCID (1U << 17) 640 #define CPUID_EXT_DCA (1U << 18) 641 #define CPUID_EXT_SSE41 (1U << 19) 642 #define CPUID_EXT_SSE42 (1U << 20) 643 #define CPUID_EXT_X2APIC (1U << 21) 644 #define CPUID_EXT_MOVBE (1U << 22) 645 #define CPUID_EXT_POPCNT (1U << 23) 646 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24) 647 #define CPUID_EXT_AES (1U << 25) 648 #define CPUID_EXT_XSAVE (1U << 26) 649 #define CPUID_EXT_OSXSAVE (1U << 27) 650 #define CPUID_EXT_AVX (1U << 28) 651 #define CPUID_EXT_F16C (1U << 29) 652 #define CPUID_EXT_RDRAND (1U << 30) 653 #define CPUID_EXT_HYPERVISOR (1U << 31) 654 655 #define CPUID_EXT2_FPU (1U << 0) 656 #define CPUID_EXT2_VME (1U << 1) 657 #define CPUID_EXT2_DE (1U << 2) 658 #define CPUID_EXT2_PSE (1U << 3) 659 #define CPUID_EXT2_TSC (1U << 4) 660 #define CPUID_EXT2_MSR (1U << 5) 661 #define CPUID_EXT2_PAE (1U << 6) 662 #define CPUID_EXT2_MCE (1U << 7) 663 #define CPUID_EXT2_CX8 (1U << 8) 664 #define CPUID_EXT2_APIC (1U << 9) 665 #define CPUID_EXT2_SYSCALL (1U << 11) 666 #define CPUID_EXT2_MTRR (1U << 12) 667 #define CPUID_EXT2_PGE (1U << 13) 668 #define CPUID_EXT2_MCA (1U << 14) 669 #define CPUID_EXT2_CMOV (1U << 15) 670 #define CPUID_EXT2_PAT (1U << 16) 671 #define CPUID_EXT2_PSE36 (1U << 17) 672 #define CPUID_EXT2_MP (1U << 19) 673 #define CPUID_EXT2_NX (1U << 20) 674 #define CPUID_EXT2_MMXEXT (1U << 22) 675 #define CPUID_EXT2_MMX (1U << 23) 676 #define CPUID_EXT2_FXSR (1U << 24) 677 #define CPUID_EXT2_FFXSR (1U << 25) 678 #define CPUID_EXT2_PDPE1GB (1U << 26) 679 #define CPUID_EXT2_RDTSCP (1U << 27) 680 #define CPUID_EXT2_LM (1U << 29) 681 #define CPUID_EXT2_3DNOWEXT (1U << 30) 682 #define CPUID_EXT2_3DNOW (1U << 31) 683 684 /* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */ 685 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \ 686 CPUID_EXT2_DE | CPUID_EXT2_PSE | \ 687 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \ 688 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \ 689 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \ 690 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \ 691 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \ 692 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \ 693 CPUID_EXT2_MMX | CPUID_EXT2_FXSR) 694 695 #define CPUID_EXT3_LAHF_LM (1U << 0) 696 #define CPUID_EXT3_CMP_LEG (1U << 1) 697 #define CPUID_EXT3_SVM (1U << 2) 698 #define CPUID_EXT3_EXTAPIC (1U << 3) 699 #define CPUID_EXT3_CR8LEG (1U << 4) 700 #define CPUID_EXT3_ABM (1U << 5) 701 #define CPUID_EXT3_SSE4A (1U << 6) 702 #define CPUID_EXT3_MISALIGNSSE (1U << 7) 703 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8) 704 #define CPUID_EXT3_OSVW (1U << 9) 705 #define CPUID_EXT3_IBS (1U << 10) 706 #define CPUID_EXT3_XOP (1U << 11) 707 #define CPUID_EXT3_SKINIT (1U << 12) 708 #define CPUID_EXT3_WDT (1U << 13) 709 #define CPUID_EXT3_LWP (1U << 15) 710 #define CPUID_EXT3_FMA4 (1U << 16) 711 #define CPUID_EXT3_TCE (1U << 17) 712 #define CPUID_EXT3_NODEID (1U << 19) 713 #define CPUID_EXT3_TBM (1U << 21) 714 #define CPUID_EXT3_TOPOEXT (1U << 22) 715 #define CPUID_EXT3_PERFCORE (1U << 23) 716 #define CPUID_EXT3_PERFNB (1U << 24) 717 718 #define CPUID_SVM_NPT (1U << 0) 719 #define CPUID_SVM_LBRV (1U << 1) 720 #define CPUID_SVM_SVMLOCK (1U << 2) 721 #define CPUID_SVM_NRIPSAVE (1U << 3) 722 #define CPUID_SVM_TSCSCALE (1U << 4) 723 #define CPUID_SVM_VMCBCLEAN (1U << 5) 724 #define CPUID_SVM_FLUSHASID (1U << 6) 725 #define CPUID_SVM_DECODEASSIST (1U << 7) 726 #define CPUID_SVM_PAUSEFILTER (1U << 10) 727 #define CPUID_SVM_PFTHRESHOLD (1U << 12) 728 #define CPUID_SVM_AVIC (1U << 13) 729 #define CPUID_SVM_V_VMSAVE_VMLOAD (1U << 15) 730 #define CPUID_SVM_VGIF (1U << 16) 731 #define CPUID_SVM_SVME_ADDR_CHK (1U << 28) 732 733 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */ 734 #define CPUID_7_0_EBX_FSGSBASE (1U << 0) 735 /* Support SGX */ 736 #define CPUID_7_0_EBX_SGX (1U << 2) 737 /* 1st Group of Advanced Bit Manipulation Extensions */ 738 #define CPUID_7_0_EBX_BMI1 (1U << 3) 739 /* Hardware Lock Elision */ 740 #define CPUID_7_0_EBX_HLE (1U << 4) 741 /* Intel Advanced Vector Extensions 2 */ 742 #define CPUID_7_0_EBX_AVX2 (1U << 5) 743 /* Supervisor-mode Execution Prevention */ 744 #define CPUID_7_0_EBX_SMEP (1U << 7) 745 /* 2nd Group of Advanced Bit Manipulation Extensions */ 746 #define CPUID_7_0_EBX_BMI2 (1U << 8) 747 /* Enhanced REP MOVSB/STOSB */ 748 #define CPUID_7_0_EBX_ERMS (1U << 9) 749 /* Invalidate Process-Context Identifier */ 750 #define CPUID_7_0_EBX_INVPCID (1U << 10) 751 /* Restricted Transactional Memory */ 752 #define CPUID_7_0_EBX_RTM (1U << 11) 753 /* Memory Protection Extension */ 754 #define CPUID_7_0_EBX_MPX (1U << 14) 755 /* AVX-512 Foundation */ 756 #define CPUID_7_0_EBX_AVX512F (1U << 16) 757 /* AVX-512 Doubleword & Quadword Instruction */ 758 #define CPUID_7_0_EBX_AVX512DQ (1U << 17) 759 /* Read Random SEED */ 760 #define CPUID_7_0_EBX_RDSEED (1U << 18) 761 /* ADCX and ADOX instructions */ 762 #define CPUID_7_0_EBX_ADX (1U << 19) 763 /* Supervisor Mode Access Prevention */ 764 #define CPUID_7_0_EBX_SMAP (1U << 20) 765 /* AVX-512 Integer Fused Multiply Add */ 766 #define CPUID_7_0_EBX_AVX512IFMA (1U << 21) 767 /* Persistent Commit */ 768 #define CPUID_7_0_EBX_PCOMMIT (1U << 22) 769 /* Flush a Cache Line Optimized */ 770 #define CPUID_7_0_EBX_CLFLUSHOPT (1U << 23) 771 /* Cache Line Write Back */ 772 #define CPUID_7_0_EBX_CLWB (1U << 24) 773 /* Intel Processor Trace */ 774 #define CPUID_7_0_EBX_INTEL_PT (1U << 25) 775 /* AVX-512 Prefetch */ 776 #define CPUID_7_0_EBX_AVX512PF (1U << 26) 777 /* AVX-512 Exponential and Reciprocal */ 778 #define CPUID_7_0_EBX_AVX512ER (1U << 27) 779 /* AVX-512 Conflict Detection */ 780 #define CPUID_7_0_EBX_AVX512CD (1U << 28) 781 /* SHA1/SHA256 Instruction Extensions */ 782 #define CPUID_7_0_EBX_SHA_NI (1U << 29) 783 /* AVX-512 Byte and Word Instructions */ 784 #define CPUID_7_0_EBX_AVX512BW (1U << 30) 785 /* AVX-512 Vector Length Extensions */ 786 #define CPUID_7_0_EBX_AVX512VL (1U << 31) 787 788 /* AVX-512 Vector Byte Manipulation Instruction */ 789 #define CPUID_7_0_ECX_AVX512_VBMI (1U << 1) 790 /* User-Mode Instruction Prevention */ 791 #define CPUID_7_0_ECX_UMIP (1U << 2) 792 /* Protection Keys for User-mode Pages */ 793 #define CPUID_7_0_ECX_PKU (1U << 3) 794 /* OS Enable Protection Keys */ 795 #define CPUID_7_0_ECX_OSPKE (1U << 4) 796 /* UMONITOR/UMWAIT/TPAUSE Instructions */ 797 #define CPUID_7_0_ECX_WAITPKG (1U << 5) 798 /* Additional AVX-512 Vector Byte Manipulation Instruction */ 799 #define CPUID_7_0_ECX_AVX512_VBMI2 (1U << 6) 800 /* Galois Field New Instructions */ 801 #define CPUID_7_0_ECX_GFNI (1U << 8) 802 /* Vector AES Instructions */ 803 #define CPUID_7_0_ECX_VAES (1U << 9) 804 /* Carry-Less Multiplication Quadword */ 805 #define CPUID_7_0_ECX_VPCLMULQDQ (1U << 10) 806 /* Vector Neural Network Instructions */ 807 #define CPUID_7_0_ECX_AVX512VNNI (1U << 11) 808 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */ 809 #define CPUID_7_0_ECX_AVX512BITALG (1U << 12) 810 /* POPCNT for vectors of DW/QW */ 811 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ (1U << 14) 812 /* 5-level Page Tables */ 813 #define CPUID_7_0_ECX_LA57 (1U << 16) 814 /* Read Processor ID */ 815 #define CPUID_7_0_ECX_RDPID (1U << 22) 816 /* Bus Lock Debug Exception */ 817 #define CPUID_7_0_ECX_BUS_LOCK_DETECT (1U << 24) 818 /* Cache Line Demote Instruction */ 819 #define CPUID_7_0_ECX_CLDEMOTE (1U << 25) 820 /* Move Doubleword as Direct Store Instruction */ 821 #define CPUID_7_0_ECX_MOVDIRI (1U << 27) 822 /* Move 64 Bytes as Direct Store Instruction */ 823 #define CPUID_7_0_ECX_MOVDIR64B (1U << 28) 824 /* Support SGX Launch Control */ 825 #define CPUID_7_0_ECX_SGX_LC (1U << 30) 826 /* Protection Keys for Supervisor-mode Pages */ 827 #define CPUID_7_0_ECX_PKS (1U << 31) 828 829 /* AVX512 Neural Network Instructions */ 830 #define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) 831 /* AVX512 Multiply Accumulation Single Precision */ 832 #define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) 833 /* Fast Short Rep Mov */ 834 #define CPUID_7_0_EDX_FSRM (1U << 4) 835 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */ 836 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8) 837 /* SERIALIZE instruction */ 838 #define CPUID_7_0_EDX_SERIALIZE (1U << 14) 839 /* TSX Suspend Load Address Tracking instruction */ 840 #define CPUID_7_0_EDX_TSX_LDTRK (1U << 16) 841 /* AVX512_FP16 instruction */ 842 #define CPUID_7_0_EDX_AVX512_FP16 (1U << 23) 843 /* Speculation Control */ 844 #define CPUID_7_0_EDX_SPEC_CTRL (1U << 26) 845 /* Single Thread Indirect Branch Predictors */ 846 #define CPUID_7_0_EDX_STIBP (1U << 27) 847 /* Arch Capabilities */ 848 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29) 849 /* Core Capability */ 850 #define CPUID_7_0_EDX_CORE_CAPABILITY (1U << 30) 851 /* Speculative Store Bypass Disable */ 852 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD (1U << 31) 853 854 /* AVX VNNI Instruction */ 855 #define CPUID_7_1_EAX_AVX_VNNI (1U << 4) 856 /* AVX512 BFloat16 Instruction */ 857 #define CPUID_7_1_EAX_AVX512_BF16 (1U << 5) 858 859 /* Packets which contain IP payload have LIP values */ 860 #define CPUID_14_0_ECX_LIP (1U << 31) 861 862 /* CLZERO instruction */ 863 #define CPUID_8000_0008_EBX_CLZERO (1U << 0) 864 /* Always save/restore FP error pointers */ 865 #define CPUID_8000_0008_EBX_XSAVEERPTR (1U << 2) 866 /* Write back and do not invalidate cache */ 867 #define CPUID_8000_0008_EBX_WBNOINVD (1U << 9) 868 /* Indirect Branch Prediction Barrier */ 869 #define CPUID_8000_0008_EBX_IBPB (1U << 12) 870 /* Indirect Branch Restricted Speculation */ 871 #define CPUID_8000_0008_EBX_IBRS (1U << 14) 872 /* Single Thread Indirect Branch Predictors */ 873 #define CPUID_8000_0008_EBX_STIBP (1U << 15) 874 /* Speculative Store Bypass Disable */ 875 #define CPUID_8000_0008_EBX_AMD_SSBD (1U << 24) 876 877 #define CPUID_XSAVE_XSAVEOPT (1U << 0) 878 #define CPUID_XSAVE_XSAVEC (1U << 1) 879 #define CPUID_XSAVE_XGETBV1 (1U << 2) 880 #define CPUID_XSAVE_XSAVES (1U << 3) 881 882 #define CPUID_6_EAX_ARAT (1U << 2) 883 884 /* CPUID[0x80000007].EDX flags: */ 885 #define CPUID_APM_INVTSC (1U << 8) 886 887 #define CPUID_VENDOR_SZ 12 888 889 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */ 890 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */ 891 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */ 892 #define CPUID_VENDOR_INTEL "GenuineIntel" 893 894 #define CPUID_VENDOR_AMD_1 0x68747541 /* "Auth" */ 895 #define CPUID_VENDOR_AMD_2 0x69746e65 /* "enti" */ 896 #define CPUID_VENDOR_AMD_3 0x444d4163 /* "cAMD" */ 897 #define CPUID_VENDOR_AMD "AuthenticAMD" 898 899 #define CPUID_VENDOR_VIA "CentaurHauls" 900 901 #define CPUID_VENDOR_HYGON "HygonGenuine" 902 903 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \ 904 (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \ 905 (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3) 906 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \ 907 (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \ 908 (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3) 909 910 #define CPUID_MWAIT_IBE (1U << 1) /* Interrupts can exit capability */ 911 #define CPUID_MWAIT_EMX (1U << 0) /* enumeration supported */ 912 913 /* CPUID[0xB].ECX level types */ 914 #define CPUID_TOPOLOGY_LEVEL_INVALID (0U << 8) 915 #define CPUID_TOPOLOGY_LEVEL_SMT (1U << 8) 916 #define CPUID_TOPOLOGY_LEVEL_CORE (2U << 8) 917 #define CPUID_TOPOLOGY_LEVEL_DIE (5U << 8) 918 919 /* MSR Feature Bits */ 920 #define MSR_ARCH_CAP_RDCL_NO (1U << 0) 921 #define MSR_ARCH_CAP_IBRS_ALL (1U << 1) 922 #define MSR_ARCH_CAP_RSBA (1U << 2) 923 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3) 924 #define MSR_ARCH_CAP_SSB_NO (1U << 4) 925 #define MSR_ARCH_CAP_MDS_NO (1U << 5) 926 #define MSR_ARCH_CAP_PSCHANGE_MC_NO (1U << 6) 927 #define MSR_ARCH_CAP_TSX_CTRL_MSR (1U << 7) 928 #define MSR_ARCH_CAP_TAA_NO (1U << 8) 929 930 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT (1U << 5) 931 932 /* VMX MSR features */ 933 #define MSR_VMX_BASIC_VMCS_REVISION_MASK 0x7FFFFFFFull 934 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK (0x00001FFFull << 32) 935 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK (0x003C0000ull << 32) 936 #define MSR_VMX_BASIC_DUAL_MONITOR (1ULL << 49) 937 #define MSR_VMX_BASIC_INS_OUTS (1ULL << 54) 938 #define MSR_VMX_BASIC_TRUE_CTLS (1ULL << 55) 939 940 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK 0x1Full 941 #define MSR_VMX_MISC_STORE_LMA (1ULL << 5) 942 #define MSR_VMX_MISC_ACTIVITY_HLT (1ULL << 6) 943 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN (1ULL << 7) 944 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI (1ULL << 8) 945 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK 0x0E000000ull 946 #define MSR_VMX_MISC_VMWRITE_VMEXIT (1ULL << 29) 947 #define MSR_VMX_MISC_ZERO_LEN_INJECT (1ULL << 30) 948 949 #define MSR_VMX_EPT_EXECONLY (1ULL << 0) 950 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4 (1ULL << 6) 951 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5 (1ULL << 7) 952 #define MSR_VMX_EPT_UC (1ULL << 8) 953 #define MSR_VMX_EPT_WB (1ULL << 14) 954 #define MSR_VMX_EPT_2MB (1ULL << 16) 955 #define MSR_VMX_EPT_1GB (1ULL << 17) 956 #define MSR_VMX_EPT_INVEPT (1ULL << 20) 957 #define MSR_VMX_EPT_AD_BITS (1ULL << 21) 958 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO (1ULL << 22) 959 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT (1ULL << 25) 960 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT (1ULL << 26) 961 #define MSR_VMX_EPT_INVVPID (1ULL << 32) 962 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR (1ULL << 40) 963 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT (1ULL << 41) 964 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT (1ULL << 42) 965 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43) 966 967 #define MSR_VMX_VMFUNC_EPT_SWITCHING (1ULL << 0) 968 969 970 /* VMX controls */ 971 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING 0x00000004 972 #define VMX_CPU_BASED_USE_TSC_OFFSETING 0x00000008 973 #define VMX_CPU_BASED_HLT_EXITING 0x00000080 974 #define VMX_CPU_BASED_INVLPG_EXITING 0x00000200 975 #define VMX_CPU_BASED_MWAIT_EXITING 0x00000400 976 #define VMX_CPU_BASED_RDPMC_EXITING 0x00000800 977 #define VMX_CPU_BASED_RDTSC_EXITING 0x00001000 978 #define VMX_CPU_BASED_CR3_LOAD_EXITING 0x00008000 979 #define VMX_CPU_BASED_CR3_STORE_EXITING 0x00010000 980 #define VMX_CPU_BASED_CR8_LOAD_EXITING 0x00080000 981 #define VMX_CPU_BASED_CR8_STORE_EXITING 0x00100000 982 #define VMX_CPU_BASED_TPR_SHADOW 0x00200000 983 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING 0x00400000 984 #define VMX_CPU_BASED_MOV_DR_EXITING 0x00800000 985 #define VMX_CPU_BASED_UNCOND_IO_EXITING 0x01000000 986 #define VMX_CPU_BASED_USE_IO_BITMAPS 0x02000000 987 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG 0x08000000 988 #define VMX_CPU_BASED_USE_MSR_BITMAPS 0x10000000 989 #define VMX_CPU_BASED_MONITOR_EXITING 0x20000000 990 #define VMX_CPU_BASED_PAUSE_EXITING 0x40000000 991 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS 0x80000000 992 993 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001 994 #define VMX_SECONDARY_EXEC_ENABLE_EPT 0x00000002 995 #define VMX_SECONDARY_EXEC_DESC 0x00000004 996 #define VMX_SECONDARY_EXEC_RDTSCP 0x00000008 997 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE 0x00000010 998 #define VMX_SECONDARY_EXEC_ENABLE_VPID 0x00000020 999 #define VMX_SECONDARY_EXEC_WBINVD_EXITING 0x00000040 1000 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST 0x00000080 1001 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT 0x00000100 1002 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY 0x00000200 1003 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING 0x00000400 1004 #define VMX_SECONDARY_EXEC_RDRAND_EXITING 0x00000800 1005 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID 0x00001000 1006 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC 0x00002000 1007 #define VMX_SECONDARY_EXEC_SHADOW_VMCS 0x00004000 1008 #define VMX_SECONDARY_EXEC_ENCLS_EXITING 0x00008000 1009 #define VMX_SECONDARY_EXEC_RDSEED_EXITING 0x00010000 1010 #define VMX_SECONDARY_EXEC_ENABLE_PML 0x00020000 1011 #define VMX_SECONDARY_EXEC_XSAVES 0x00100000 1012 #define VMX_SECONDARY_EXEC_TSC_SCALING 0x02000000 1013 1014 #define VMX_PIN_BASED_EXT_INTR_MASK 0x00000001 1015 #define VMX_PIN_BASED_NMI_EXITING 0x00000008 1016 #define VMX_PIN_BASED_VIRTUAL_NMIS 0x00000020 1017 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER 0x00000040 1018 #define VMX_PIN_BASED_POSTED_INTR 0x00000080 1019 1020 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS 0x00000004 1021 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE 0x00000200 1022 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL 0x00001000 1023 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT 0x00008000 1024 #define VMX_VM_EXIT_SAVE_IA32_PAT 0x00040000 1025 #define VMX_VM_EXIT_LOAD_IA32_PAT 0x00080000 1026 #define VMX_VM_EXIT_SAVE_IA32_EFER 0x00100000 1027 #define VMX_VM_EXIT_LOAD_IA32_EFER 0x00200000 1028 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER 0x00400000 1029 #define VMX_VM_EXIT_CLEAR_BNDCFGS 0x00800000 1030 #define VMX_VM_EXIT_PT_CONCEAL_PIP 0x01000000 1031 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL 0x02000000 1032 #define VMX_VM_EXIT_LOAD_IA32_PKRS 0x20000000 1033 1034 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS 0x00000004 1035 #define VMX_VM_ENTRY_IA32E_MODE 0x00000200 1036 #define VMX_VM_ENTRY_SMM 0x00000400 1037 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR 0x00000800 1038 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL 0x00002000 1039 #define VMX_VM_ENTRY_LOAD_IA32_PAT 0x00004000 1040 #define VMX_VM_ENTRY_LOAD_IA32_EFER 0x00008000 1041 #define VMX_VM_ENTRY_LOAD_BNDCFGS 0x00010000 1042 #define VMX_VM_ENTRY_PT_CONCEAL_PIP 0x00020000 1043 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL 0x00040000 1044 #define VMX_VM_ENTRY_LOAD_IA32_PKRS 0x00400000 1045 1046 /* Supported Hyper-V Enlightenments */ 1047 #define HYPERV_FEAT_RELAXED 0 1048 #define HYPERV_FEAT_VAPIC 1 1049 #define HYPERV_FEAT_TIME 2 1050 #define HYPERV_FEAT_CRASH 3 1051 #define HYPERV_FEAT_RESET 4 1052 #define HYPERV_FEAT_VPINDEX 5 1053 #define HYPERV_FEAT_RUNTIME 6 1054 #define HYPERV_FEAT_SYNIC 7 1055 #define HYPERV_FEAT_STIMER 8 1056 #define HYPERV_FEAT_FREQUENCIES 9 1057 #define HYPERV_FEAT_REENLIGHTENMENT 10 1058 #define HYPERV_FEAT_TLBFLUSH 11 1059 #define HYPERV_FEAT_EVMCS 12 1060 #define HYPERV_FEAT_IPI 13 1061 #define HYPERV_FEAT_STIMER_DIRECT 14 1062 #define HYPERV_FEAT_AVIC 15 1063 1064 #ifndef HYPERV_SPINLOCK_NEVER_NOTIFY 1065 #define HYPERV_SPINLOCK_NEVER_NOTIFY 0xFFFFFFFF 1066 #endif 1067 1068 #define EXCP00_DIVZ 0 1069 #define EXCP01_DB 1 1070 #define EXCP02_NMI 2 1071 #define EXCP03_INT3 3 1072 #define EXCP04_INTO 4 1073 #define EXCP05_BOUND 5 1074 #define EXCP06_ILLOP 6 1075 #define EXCP07_PREX 7 1076 #define EXCP08_DBLE 8 1077 #define EXCP09_XERR 9 1078 #define EXCP0A_TSS 10 1079 #define EXCP0B_NOSEG 11 1080 #define EXCP0C_STACK 12 1081 #define EXCP0D_GPF 13 1082 #define EXCP0E_PAGE 14 1083 #define EXCP10_COPR 16 1084 #define EXCP11_ALGN 17 1085 #define EXCP12_MCHK 18 1086 1087 #define EXCP_VMEXIT 0x100 /* only for system emulation */ 1088 #define EXCP_SYSCALL 0x101 /* only for user emulation */ 1089 #define EXCP_VSYSCALL 0x102 /* only for user emulation */ 1090 1091 /* i386-specific interrupt pending bits. */ 1092 #define CPU_INTERRUPT_POLL CPU_INTERRUPT_TGT_EXT_1 1093 #define CPU_INTERRUPT_SMI CPU_INTERRUPT_TGT_EXT_2 1094 #define CPU_INTERRUPT_NMI CPU_INTERRUPT_TGT_EXT_3 1095 #define CPU_INTERRUPT_MCE CPU_INTERRUPT_TGT_EXT_4 1096 #define CPU_INTERRUPT_VIRQ CPU_INTERRUPT_TGT_INT_0 1097 #define CPU_INTERRUPT_SIPI CPU_INTERRUPT_TGT_INT_1 1098 #define CPU_INTERRUPT_TPR CPU_INTERRUPT_TGT_INT_2 1099 1100 /* Use a clearer name for this. */ 1101 #define CPU_INTERRUPT_INIT CPU_INTERRUPT_RESET 1102 1103 /* Instead of computing the condition codes after each x86 instruction, 1104 * QEMU just stores one operand (called CC_SRC), the result 1105 * (called CC_DST) and the type of operation (called CC_OP). When the 1106 * condition codes are needed, the condition codes can be calculated 1107 * using this information. Condition codes are not generated if they 1108 * are only needed for conditional branches. 1109 */ 1110 typedef enum { 1111 CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */ 1112 CC_OP_EFLAGS, /* all cc are explicitly computed, CC_SRC = flags */ 1113 1114 CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */ 1115 CC_OP_MULW, 1116 CC_OP_MULL, 1117 CC_OP_MULQ, 1118 1119 CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 1120 CC_OP_ADDW, 1121 CC_OP_ADDL, 1122 CC_OP_ADDQ, 1123 1124 CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 1125 CC_OP_ADCW, 1126 CC_OP_ADCL, 1127 CC_OP_ADCQ, 1128 1129 CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 1130 CC_OP_SUBW, 1131 CC_OP_SUBL, 1132 CC_OP_SUBQ, 1133 1134 CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 1135 CC_OP_SBBW, 1136 CC_OP_SBBL, 1137 CC_OP_SBBQ, 1138 1139 CC_OP_LOGICB, /* modify all flags, CC_DST = res */ 1140 CC_OP_LOGICW, 1141 CC_OP_LOGICL, 1142 CC_OP_LOGICQ, 1143 1144 CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */ 1145 CC_OP_INCW, 1146 CC_OP_INCL, 1147 CC_OP_INCQ, 1148 1149 CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C */ 1150 CC_OP_DECW, 1151 CC_OP_DECL, 1152 CC_OP_DECQ, 1153 1154 CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */ 1155 CC_OP_SHLW, 1156 CC_OP_SHLL, 1157 CC_OP_SHLQ, 1158 1159 CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */ 1160 CC_OP_SARW, 1161 CC_OP_SARL, 1162 CC_OP_SARQ, 1163 1164 CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */ 1165 CC_OP_BMILGW, 1166 CC_OP_BMILGL, 1167 CC_OP_BMILGQ, 1168 1169 CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest. */ 1170 CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest. */ 1171 CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest. */ 1172 1173 CC_OP_CLR, /* Z set, all other flags clear. */ 1174 CC_OP_POPCNT, /* Z via CC_SRC, all other flags clear. */ 1175 1176 CC_OP_NB, 1177 } CCOp; 1178 1179 typedef struct SegmentCache { 1180 uint32_t selector; 1181 target_ulong base; 1182 uint32_t limit; 1183 uint32_t flags; 1184 } SegmentCache; 1185 1186 #define MMREG_UNION(n, bits) \ 1187 union n { \ 1188 uint8_t _b_##n[(bits)/8]; \ 1189 uint16_t _w_##n[(bits)/16]; \ 1190 uint32_t _l_##n[(bits)/32]; \ 1191 uint64_t _q_##n[(bits)/64]; \ 1192 float32 _s_##n[(bits)/32]; \ 1193 float64 _d_##n[(bits)/64]; \ 1194 } 1195 1196 typedef union { 1197 uint8_t _b[16]; 1198 uint16_t _w[8]; 1199 uint32_t _l[4]; 1200 uint64_t _q[2]; 1201 } XMMReg; 1202 1203 typedef union { 1204 uint8_t _b[32]; 1205 uint16_t _w[16]; 1206 uint32_t _l[8]; 1207 uint64_t _q[4]; 1208 } YMMReg; 1209 1210 typedef MMREG_UNION(ZMMReg, 512) ZMMReg; 1211 typedef MMREG_UNION(MMXReg, 64) MMXReg; 1212 1213 typedef struct BNDReg { 1214 uint64_t lb; 1215 uint64_t ub; 1216 } BNDReg; 1217 1218 typedef struct BNDCSReg { 1219 uint64_t cfgu; 1220 uint64_t sts; 1221 } BNDCSReg; 1222 1223 #define BNDCFG_ENABLE 1ULL 1224 #define BNDCFG_BNDPRESERVE 2ULL 1225 #define BNDCFG_BDIR_MASK TARGET_PAGE_MASK 1226 1227 #ifdef HOST_WORDS_BIGENDIAN 1228 #define ZMM_B(n) _b_ZMMReg[63 - (n)] 1229 #define ZMM_W(n) _w_ZMMReg[31 - (n)] 1230 #define ZMM_L(n) _l_ZMMReg[15 - (n)] 1231 #define ZMM_S(n) _s_ZMMReg[15 - (n)] 1232 #define ZMM_Q(n) _q_ZMMReg[7 - (n)] 1233 #define ZMM_D(n) _d_ZMMReg[7 - (n)] 1234 1235 #define MMX_B(n) _b_MMXReg[7 - (n)] 1236 #define MMX_W(n) _w_MMXReg[3 - (n)] 1237 #define MMX_L(n) _l_MMXReg[1 - (n)] 1238 #define MMX_S(n) _s_MMXReg[1 - (n)] 1239 #else 1240 #define ZMM_B(n) _b_ZMMReg[n] 1241 #define ZMM_W(n) _w_ZMMReg[n] 1242 #define ZMM_L(n) _l_ZMMReg[n] 1243 #define ZMM_S(n) _s_ZMMReg[n] 1244 #define ZMM_Q(n) _q_ZMMReg[n] 1245 #define ZMM_D(n) _d_ZMMReg[n] 1246 1247 #define MMX_B(n) _b_MMXReg[n] 1248 #define MMX_W(n) _w_MMXReg[n] 1249 #define MMX_L(n) _l_MMXReg[n] 1250 #define MMX_S(n) _s_MMXReg[n] 1251 #endif 1252 #define MMX_Q(n) _q_MMXReg[n] 1253 1254 typedef union { 1255 floatx80 d __attribute__((aligned(16))); 1256 MMXReg mmx; 1257 } FPReg; 1258 1259 typedef struct { 1260 uint64_t base; 1261 uint64_t mask; 1262 } MTRRVar; 1263 1264 #define CPU_NB_REGS64 16 1265 #define CPU_NB_REGS32 8 1266 1267 #ifdef TARGET_X86_64 1268 #define CPU_NB_REGS CPU_NB_REGS64 1269 #else 1270 #define CPU_NB_REGS CPU_NB_REGS32 1271 #endif 1272 1273 #define MAX_FIXED_COUNTERS 3 1274 #define MAX_GP_COUNTERS (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0) 1275 1276 #define TARGET_INSN_START_EXTRA_WORDS 1 1277 1278 #define NB_OPMASK_REGS 8 1279 1280 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish 1281 * that APIC ID hasn't been set yet 1282 */ 1283 #define UNASSIGNED_APIC_ID 0xFFFFFFFF 1284 1285 typedef union X86LegacyXSaveArea { 1286 struct { 1287 uint16_t fcw; 1288 uint16_t fsw; 1289 uint8_t ftw; 1290 uint8_t reserved; 1291 uint16_t fpop; 1292 uint64_t fpip; 1293 uint64_t fpdp; 1294 uint32_t mxcsr; 1295 uint32_t mxcsr_mask; 1296 FPReg fpregs[8]; 1297 uint8_t xmm_regs[16][16]; 1298 }; 1299 uint8_t data[512]; 1300 } X86LegacyXSaveArea; 1301 1302 typedef struct X86XSaveHeader { 1303 uint64_t xstate_bv; 1304 uint64_t xcomp_bv; 1305 uint64_t reserve0; 1306 uint8_t reserved[40]; 1307 } X86XSaveHeader; 1308 1309 /* Ext. save area 2: AVX State */ 1310 typedef struct XSaveAVX { 1311 uint8_t ymmh[16][16]; 1312 } XSaveAVX; 1313 1314 /* Ext. save area 3: BNDREG */ 1315 typedef struct XSaveBNDREG { 1316 BNDReg bnd_regs[4]; 1317 } XSaveBNDREG; 1318 1319 /* Ext. save area 4: BNDCSR */ 1320 typedef union XSaveBNDCSR { 1321 BNDCSReg bndcsr; 1322 uint8_t data[64]; 1323 } XSaveBNDCSR; 1324 1325 /* Ext. save area 5: Opmask */ 1326 typedef struct XSaveOpmask { 1327 uint64_t opmask_regs[NB_OPMASK_REGS]; 1328 } XSaveOpmask; 1329 1330 /* Ext. save area 6: ZMM_Hi256 */ 1331 typedef struct XSaveZMM_Hi256 { 1332 uint8_t zmm_hi256[16][32]; 1333 } XSaveZMM_Hi256; 1334 1335 /* Ext. save area 7: Hi16_ZMM */ 1336 typedef struct XSaveHi16_ZMM { 1337 uint8_t hi16_zmm[16][64]; 1338 } XSaveHi16_ZMM; 1339 1340 /* Ext. save area 9: PKRU state */ 1341 typedef struct XSavePKRU { 1342 uint32_t pkru; 1343 uint32_t padding; 1344 } XSavePKRU; 1345 1346 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100); 1347 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40); 1348 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40); 1349 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40); 1350 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200); 1351 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400); 1352 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8); 1353 1354 typedef struct ExtSaveArea { 1355 uint32_t feature, bits; 1356 uint32_t offset, size; 1357 } ExtSaveArea; 1358 1359 #define XSAVE_STATE_AREA_COUNT (XSTATE_PKRU_BIT + 1) 1360 1361 extern ExtSaveArea x86_ext_save_areas[XSAVE_STATE_AREA_COUNT]; 1362 1363 typedef enum TPRAccess { 1364 TPR_ACCESS_READ, 1365 TPR_ACCESS_WRITE, 1366 } TPRAccess; 1367 1368 /* Cache information data structures: */ 1369 1370 enum CacheType { 1371 DATA_CACHE, 1372 INSTRUCTION_CACHE, 1373 UNIFIED_CACHE 1374 }; 1375 1376 typedef struct CPUCacheInfo { 1377 enum CacheType type; 1378 uint8_t level; 1379 /* Size in bytes */ 1380 uint32_t size; 1381 /* Line size, in bytes */ 1382 uint16_t line_size; 1383 /* 1384 * Associativity. 1385 * Note: representation of fully-associative caches is not implemented 1386 */ 1387 uint8_t associativity; 1388 /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */ 1389 uint8_t partitions; 1390 /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */ 1391 uint32_t sets; 1392 /* 1393 * Lines per tag. 1394 * AMD-specific: CPUID[0x80000005], CPUID[0x80000006]. 1395 * (Is this synonym to @partitions?) 1396 */ 1397 uint8_t lines_per_tag; 1398 1399 /* Self-initializing cache */ 1400 bool self_init; 1401 /* 1402 * WBINVD/INVD is not guaranteed to act upon lower level caches of 1403 * non-originating threads sharing this cache. 1404 * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0] 1405 */ 1406 bool no_invd_sharing; 1407 /* 1408 * Cache is inclusive of lower cache levels. 1409 * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1]. 1410 */ 1411 bool inclusive; 1412 /* 1413 * A complex function is used to index the cache, potentially using all 1414 * address bits. CPUID[4].EDX[bit 2]. 1415 */ 1416 bool complex_indexing; 1417 } CPUCacheInfo; 1418 1419 1420 typedef struct CPUCaches { 1421 CPUCacheInfo *l1d_cache; 1422 CPUCacheInfo *l1i_cache; 1423 CPUCacheInfo *l2_cache; 1424 CPUCacheInfo *l3_cache; 1425 } CPUCaches; 1426 1427 typedef struct HVFX86LazyFlags { 1428 target_ulong result; 1429 target_ulong auxbits; 1430 } HVFX86LazyFlags; 1431 1432 typedef struct CPUX86State { 1433 /* standard registers */ 1434 target_ulong regs[CPU_NB_REGS]; 1435 target_ulong eip; 1436 target_ulong eflags; /* eflags register. During CPU emulation, CC 1437 flags and DF are set to zero because they are 1438 stored elsewhere */ 1439 1440 /* emulator internal eflags handling */ 1441 target_ulong cc_dst; 1442 target_ulong cc_src; 1443 target_ulong cc_src2; 1444 uint32_t cc_op; 1445 int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */ 1446 uint32_t hflags; /* TB flags, see HF_xxx constants. These flags 1447 are known at translation time. */ 1448 uint32_t hflags2; /* various other flags, see HF2_xxx constants. */ 1449 1450 /* segments */ 1451 SegmentCache segs[6]; /* selector values */ 1452 SegmentCache ldt; 1453 SegmentCache tr; 1454 SegmentCache gdt; /* only base and limit are used */ 1455 SegmentCache idt; /* only base and limit are used */ 1456 1457 target_ulong cr[5]; /* NOTE: cr1 is unused */ 1458 int32_t a20_mask; 1459 1460 BNDReg bnd_regs[4]; 1461 BNDCSReg bndcs_regs; 1462 uint64_t msr_bndcfgs; 1463 uint64_t efer; 1464 1465 /* Beginning of state preserved by INIT (dummy marker). */ 1466 struct {} start_init_save; 1467 1468 /* FPU state */ 1469 unsigned int fpstt; /* top of stack index */ 1470 uint16_t fpus; 1471 uint16_t fpuc; 1472 uint8_t fptags[8]; /* 0 = valid, 1 = empty */ 1473 FPReg fpregs[8]; 1474 /* KVM-only so far */ 1475 uint16_t fpop; 1476 uint16_t fpcs; 1477 uint16_t fpds; 1478 uint64_t fpip; 1479 uint64_t fpdp; 1480 1481 /* emulator internal variables */ 1482 float_status fp_status; 1483 floatx80 ft0; 1484 1485 float_status mmx_status; /* for 3DNow! float ops */ 1486 float_status sse_status; 1487 uint32_t mxcsr; 1488 ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32]; 1489 ZMMReg xmm_t0; 1490 MMXReg mmx_t0; 1491 1492 XMMReg ymmh_regs[CPU_NB_REGS]; 1493 1494 uint64_t opmask_regs[NB_OPMASK_REGS]; 1495 YMMReg zmmh_regs[CPU_NB_REGS]; 1496 ZMMReg hi16_zmm_regs[CPU_NB_REGS]; 1497 1498 /* sysenter registers */ 1499 uint32_t sysenter_cs; 1500 target_ulong sysenter_esp; 1501 target_ulong sysenter_eip; 1502 uint64_t star; 1503 1504 uint64_t vm_hsave; 1505 1506 #ifdef TARGET_X86_64 1507 target_ulong lstar; 1508 target_ulong cstar; 1509 target_ulong fmask; 1510 target_ulong kernelgsbase; 1511 #endif 1512 1513 uint64_t tsc; 1514 uint64_t tsc_adjust; 1515 uint64_t tsc_deadline; 1516 uint64_t tsc_aux; 1517 1518 uint64_t xcr0; 1519 1520 uint64_t mcg_status; 1521 uint64_t msr_ia32_misc_enable; 1522 uint64_t msr_ia32_feature_control; 1523 uint64_t msr_ia32_sgxlepubkeyhash[4]; 1524 1525 uint64_t msr_fixed_ctr_ctrl; 1526 uint64_t msr_global_ctrl; 1527 uint64_t msr_global_status; 1528 uint64_t msr_global_ovf_ctrl; 1529 uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS]; 1530 uint64_t msr_gp_counters[MAX_GP_COUNTERS]; 1531 uint64_t msr_gp_evtsel[MAX_GP_COUNTERS]; 1532 1533 uint64_t pat; 1534 uint32_t smbase; 1535 uint64_t msr_smi_count; 1536 1537 uint32_t pkru; 1538 uint32_t pkrs; 1539 uint32_t tsx_ctrl; 1540 1541 uint64_t spec_ctrl; 1542 uint64_t amd_tsc_scale_msr; 1543 uint64_t virt_ssbd; 1544 1545 /* End of state preserved by INIT (dummy marker). */ 1546 struct {} end_init_save; 1547 1548 uint64_t system_time_msr; 1549 uint64_t wall_clock_msr; 1550 uint64_t steal_time_msr; 1551 uint64_t async_pf_en_msr; 1552 uint64_t async_pf_int_msr; 1553 uint64_t pv_eoi_en_msr; 1554 uint64_t poll_control_msr; 1555 1556 /* Partition-wide HV MSRs, will be updated only on the first vcpu */ 1557 uint64_t msr_hv_hypercall; 1558 uint64_t msr_hv_guest_os_id; 1559 uint64_t msr_hv_tsc; 1560 1561 /* Per-VCPU HV MSRs */ 1562 uint64_t msr_hv_vapic; 1563 uint64_t msr_hv_crash_params[HV_CRASH_PARAMS]; 1564 uint64_t msr_hv_runtime; 1565 uint64_t msr_hv_synic_control; 1566 uint64_t msr_hv_synic_evt_page; 1567 uint64_t msr_hv_synic_msg_page; 1568 uint64_t msr_hv_synic_sint[HV_SINT_COUNT]; 1569 uint64_t msr_hv_stimer_config[HV_STIMER_COUNT]; 1570 uint64_t msr_hv_stimer_count[HV_STIMER_COUNT]; 1571 uint64_t msr_hv_reenlightenment_control; 1572 uint64_t msr_hv_tsc_emulation_control; 1573 uint64_t msr_hv_tsc_emulation_status; 1574 1575 uint64_t msr_rtit_ctrl; 1576 uint64_t msr_rtit_status; 1577 uint64_t msr_rtit_output_base; 1578 uint64_t msr_rtit_output_mask; 1579 uint64_t msr_rtit_cr3_match; 1580 uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS]; 1581 1582 /* exception/interrupt handling */ 1583 int error_code; 1584 int exception_is_int; 1585 target_ulong exception_next_eip; 1586 target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */ 1587 union { 1588 struct CPUBreakpoint *cpu_breakpoint[4]; 1589 struct CPUWatchpoint *cpu_watchpoint[4]; 1590 }; /* break/watchpoints for dr[0..3] */ 1591 int old_exception; /* exception in flight */ 1592 1593 uint64_t vm_vmcb; 1594 uint64_t tsc_offset; 1595 uint64_t intercept; 1596 uint16_t intercept_cr_read; 1597 uint16_t intercept_cr_write; 1598 uint16_t intercept_dr_read; 1599 uint16_t intercept_dr_write; 1600 uint32_t intercept_exceptions; 1601 uint64_t nested_cr3; 1602 uint32_t nested_pg_mode; 1603 uint8_t v_tpr; 1604 uint32_t int_ctl; 1605 1606 /* KVM states, automatically cleared on reset */ 1607 uint8_t nmi_injected; 1608 uint8_t nmi_pending; 1609 1610 uintptr_t retaddr; 1611 1612 /* Fields up to this point are cleared by a CPU reset */ 1613 struct {} end_reset_fields; 1614 1615 /* Fields after this point are preserved across CPU reset. */ 1616 1617 /* processor features (e.g. for CPUID insn) */ 1618 /* Minimum cpuid leaf 7 value */ 1619 uint32_t cpuid_level_func7; 1620 /* Actual cpuid leaf 7 value */ 1621 uint32_t cpuid_min_level_func7; 1622 /* Minimum level/xlevel/xlevel2, based on CPU model + features */ 1623 uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2; 1624 /* Maximum level/xlevel/xlevel2 value for auto-assignment: */ 1625 uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2; 1626 /* Actual level/xlevel/xlevel2 value: */ 1627 uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2; 1628 uint32_t cpuid_vendor1; 1629 uint32_t cpuid_vendor2; 1630 uint32_t cpuid_vendor3; 1631 uint32_t cpuid_version; 1632 FeatureWordArray features; 1633 /* Features that were explicitly enabled/disabled */ 1634 FeatureWordArray user_features; 1635 uint32_t cpuid_model[12]; 1636 /* Cache information for CPUID. When legacy-cache=on, the cache data 1637 * on each CPUID leaf will be different, because we keep compatibility 1638 * with old QEMU versions. 1639 */ 1640 CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd; 1641 1642 /* MTRRs */ 1643 uint64_t mtrr_fixed[11]; 1644 uint64_t mtrr_deftype; 1645 MTRRVar mtrr_var[MSR_MTRRcap_VCNT]; 1646 1647 /* For KVM */ 1648 uint32_t mp_state; 1649 int32_t exception_nr; 1650 int32_t interrupt_injected; 1651 uint8_t soft_interrupt; 1652 uint8_t exception_pending; 1653 uint8_t exception_injected; 1654 uint8_t has_error_code; 1655 uint8_t exception_has_payload; 1656 uint64_t exception_payload; 1657 uint32_t ins_len; 1658 uint32_t sipi_vector; 1659 bool tsc_valid; 1660 int64_t tsc_khz; 1661 int64_t user_tsc_khz; /* for sanity check only */ 1662 uint64_t apic_bus_freq; 1663 #if defined(CONFIG_KVM) || defined(CONFIG_HVF) 1664 void *xsave_buf; 1665 uint32_t xsave_buf_len; 1666 #endif 1667 #if defined(CONFIG_KVM) 1668 struct kvm_nested_state *nested_state; 1669 #endif 1670 #if defined(CONFIG_HVF) 1671 HVFX86LazyFlags hvf_lflags; 1672 void *hvf_mmio_buf; 1673 #endif 1674 1675 uint64_t mcg_cap; 1676 uint64_t mcg_ctl; 1677 uint64_t mcg_ext_ctl; 1678 uint64_t mce_banks[MCE_BANKS_DEF*4]; 1679 uint64_t xstate_bv; 1680 1681 /* vmstate */ 1682 uint16_t fpus_vmstate; 1683 uint16_t fptag_vmstate; 1684 uint16_t fpregs_format_vmstate; 1685 1686 uint64_t xss; 1687 uint32_t umwait; 1688 1689 TPRAccess tpr_access_type; 1690 1691 unsigned nr_dies; 1692 } CPUX86State; 1693 1694 struct kvm_msrs; 1695 1696 /** 1697 * X86CPU: 1698 * @env: #CPUX86State 1699 * @migratable: If set, only migratable flags will be accepted when "enforce" 1700 * mode is used, and only migratable flags will be included in the "host" 1701 * CPU model. 1702 * 1703 * An x86 CPU. 1704 */ 1705 struct X86CPU { 1706 /*< private >*/ 1707 CPUState parent_obj; 1708 /*< public >*/ 1709 1710 CPUNegativeOffsetState neg; 1711 CPUX86State env; 1712 VMChangeStateEntry *vmsentry; 1713 1714 uint64_t ucode_rev; 1715 1716 uint32_t hyperv_spinlock_attempts; 1717 char *hyperv_vendor; 1718 bool hyperv_synic_kvm_only; 1719 uint64_t hyperv_features; 1720 bool hyperv_passthrough; 1721 OnOffAuto hyperv_no_nonarch_cs; 1722 uint32_t hyperv_vendor_id[3]; 1723 uint32_t hyperv_interface_id[4]; 1724 uint32_t hyperv_limits[3]; 1725 uint32_t hyperv_nested[4]; 1726 bool hyperv_enforce_cpuid; 1727 uint32_t hyperv_ver_id_build; 1728 uint16_t hyperv_ver_id_major; 1729 uint16_t hyperv_ver_id_minor; 1730 uint32_t hyperv_ver_id_sp; 1731 uint8_t hyperv_ver_id_sb; 1732 uint32_t hyperv_ver_id_sn; 1733 1734 bool check_cpuid; 1735 bool enforce_cpuid; 1736 /* 1737 * Force features to be enabled even if the host doesn't support them. 1738 * This is dangerous and should be done only for testing CPUID 1739 * compatibility. 1740 */ 1741 bool force_features; 1742 bool expose_kvm; 1743 bool expose_tcg; 1744 bool migratable; 1745 bool migrate_smi_count; 1746 bool max_features; /* Enable all supported features automatically */ 1747 uint32_t apic_id; 1748 1749 /* Enables publishing of TSC increment and Local APIC bus frequencies to 1750 * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */ 1751 bool vmware_cpuid_freq; 1752 1753 /* if true the CPUID code directly forward host cache leaves to the guest */ 1754 bool cache_info_passthrough; 1755 1756 /* if true the CPUID code directly forwards 1757 * host monitor/mwait leaves to the guest */ 1758 struct { 1759 uint32_t eax; 1760 uint32_t ebx; 1761 uint32_t ecx; 1762 uint32_t edx; 1763 } mwait; 1764 1765 /* Features that were filtered out because of missing host capabilities */ 1766 FeatureWordArray filtered_features; 1767 1768 /* Enable PMU CPUID bits. This can't be enabled by default yet because 1769 * it doesn't have ABI stability guarantees, as it passes all PMU CPUID 1770 * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel 1771 * capabilities) directly to the guest. 1772 */ 1773 bool enable_pmu; 1774 1775 /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is 1776 * disabled by default to avoid breaking migration between QEMU with 1777 * different LMCE configurations. 1778 */ 1779 bool enable_lmce; 1780 1781 /* Compatibility bits for old machine types. 1782 * If true present virtual l3 cache for VM, the vcpus in the same virtual 1783 * socket share an virtual l3 cache. 1784 */ 1785 bool enable_l3_cache; 1786 1787 /* Compatibility bits for old machine types. 1788 * If true present the old cache topology information 1789 */ 1790 bool legacy_cache; 1791 1792 /* Compatibility bits for old machine types: */ 1793 bool enable_cpuid_0xb; 1794 1795 /* Enable auto level-increase for all CPUID leaves */ 1796 bool full_cpuid_auto_level; 1797 1798 /* Only advertise CPUID leaves defined by the vendor */ 1799 bool vendor_cpuid_only; 1800 1801 /* Enable auto level-increase for Intel Processor Trace leave */ 1802 bool intel_pt_auto_level; 1803 1804 /* if true fill the top bits of the MTRR_PHYSMASKn variable range */ 1805 bool fill_mtrr_mask; 1806 1807 /* if true override the phys_bits value with a value read from the host */ 1808 bool host_phys_bits; 1809 1810 /* if set, limit maximum value for phys_bits when host_phys_bits is true */ 1811 uint8_t host_phys_bits_limit; 1812 1813 /* Stop SMI delivery for migration compatibility with old machines */ 1814 bool kvm_no_smi_migration; 1815 1816 /* Forcefully disable KVM PV features not exposed in guest CPUIDs */ 1817 bool kvm_pv_enforce_cpuid; 1818 1819 /* Number of physical address bits supported */ 1820 uint32_t phys_bits; 1821 1822 /* in order to simplify APIC support, we leave this pointer to the 1823 user */ 1824 struct DeviceState *apic_state; 1825 struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram; 1826 Notifier machine_done; 1827 1828 struct kvm_msrs *kvm_msr_buf; 1829 1830 int32_t node_id; /* NUMA node this CPU belongs to */ 1831 int32_t socket_id; 1832 int32_t die_id; 1833 int32_t core_id; 1834 int32_t thread_id; 1835 1836 int32_t hv_max_vps; 1837 }; 1838 1839 1840 #ifndef CONFIG_USER_ONLY 1841 extern const VMStateDescription vmstate_x86_cpu; 1842 #endif 1843 1844 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request); 1845 1846 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu, 1847 int cpuid, void *opaque); 1848 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu, 1849 int cpuid, void *opaque); 1850 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu, 1851 void *opaque); 1852 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu, 1853 void *opaque); 1854 1855 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list, 1856 Error **errp); 1857 1858 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags); 1859 1860 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr, 1861 MemTxAttrs *attrs); 1862 1863 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg); 1864 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg); 1865 1866 void x86_cpu_list(void); 1867 int cpu_x86_support_mca_broadcast(CPUX86State *env); 1868 1869 #ifndef CONFIG_USER_ONLY 1870 int cpu_get_pic_interrupt(CPUX86State *s); 1871 1872 /* MSDOS compatibility mode FPU exception support */ 1873 void x86_register_ferr_irq(qemu_irq irq); 1874 void fpu_check_raise_ferr_irq(CPUX86State *s); 1875 void cpu_set_ignne(void); 1876 void cpu_clear_ignne(void); 1877 #endif 1878 1879 /* mpx_helper.c */ 1880 void cpu_sync_bndcs_hflags(CPUX86State *env); 1881 1882 /* this function must always be used to load data in the segment 1883 cache: it synchronizes the hflags with the segment cache values */ 1884 static inline void cpu_x86_load_seg_cache(CPUX86State *env, 1885 X86Seg seg_reg, unsigned int selector, 1886 target_ulong base, 1887 unsigned int limit, 1888 unsigned int flags) 1889 { 1890 SegmentCache *sc; 1891 unsigned int new_hflags; 1892 1893 sc = &env->segs[seg_reg]; 1894 sc->selector = selector; 1895 sc->base = base; 1896 sc->limit = limit; 1897 sc->flags = flags; 1898 1899 /* update the hidden flags */ 1900 { 1901 if (seg_reg == R_CS) { 1902 #ifdef TARGET_X86_64 1903 if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) { 1904 /* long mode */ 1905 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK; 1906 env->hflags &= ~(HF_ADDSEG_MASK); 1907 } else 1908 #endif 1909 { 1910 /* legacy / compatibility case */ 1911 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK) 1912 >> (DESC_B_SHIFT - HF_CS32_SHIFT); 1913 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) | 1914 new_hflags; 1915 } 1916 } 1917 if (seg_reg == R_SS) { 1918 int cpl = (flags >> DESC_DPL_SHIFT) & 3; 1919 #if HF_CPL_MASK != 3 1920 #error HF_CPL_MASK is hardcoded 1921 #endif 1922 env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl; 1923 /* Possibly switch between BNDCFGS and BNDCFGU */ 1924 cpu_sync_bndcs_hflags(env); 1925 } 1926 new_hflags = (env->segs[R_SS].flags & DESC_B_MASK) 1927 >> (DESC_B_SHIFT - HF_SS32_SHIFT); 1928 if (env->hflags & HF_CS64_MASK) { 1929 /* zero base assumed for DS, ES and SS in long mode */ 1930 } else if (!(env->cr[0] & CR0_PE_MASK) || 1931 (env->eflags & VM_MASK) || 1932 !(env->hflags & HF_CS32_MASK)) { 1933 /* XXX: try to avoid this test. The problem comes from the 1934 fact that is real mode or vm86 mode we only modify the 1935 'base' and 'selector' fields of the segment cache to go 1936 faster. A solution may be to force addseg to one in 1937 translate-i386.c. */ 1938 new_hflags |= HF_ADDSEG_MASK; 1939 } else { 1940 new_hflags |= ((env->segs[R_DS].base | 1941 env->segs[R_ES].base | 1942 env->segs[R_SS].base) != 0) << 1943 HF_ADDSEG_SHIFT; 1944 } 1945 env->hflags = (env->hflags & 1946 ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags; 1947 } 1948 } 1949 1950 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu, 1951 uint8_t sipi_vector) 1952 { 1953 CPUState *cs = CPU(cpu); 1954 CPUX86State *env = &cpu->env; 1955 1956 env->eip = 0; 1957 cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8, 1958 sipi_vector << 12, 1959 env->segs[R_CS].limit, 1960 env->segs[R_CS].flags); 1961 cs->halted = 0; 1962 } 1963 1964 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector, 1965 target_ulong *base, unsigned int *limit, 1966 unsigned int *flags); 1967 1968 /* op_helper.c */ 1969 /* used for debug or cpu save/restore */ 1970 1971 /* cpu-exec.c */ 1972 /* the following helpers are only usable in user mode simulation as 1973 they can trigger unexpected exceptions */ 1974 void cpu_x86_load_seg(CPUX86State *s, X86Seg seg_reg, int selector); 1975 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32); 1976 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32); 1977 void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr); 1978 void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr); 1979 1980 /* cpu.c */ 1981 void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1, 1982 uint32_t vendor2, uint32_t vendor3); 1983 typedef struct PropValue { 1984 const char *prop, *value; 1985 } PropValue; 1986 void x86_cpu_apply_props(X86CPU *cpu, PropValue *props); 1987 1988 uint32_t cpu_x86_virtual_addr_width(CPUX86State *env); 1989 1990 /* cpu.c other functions (cpuid) */ 1991 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, 1992 uint32_t *eax, uint32_t *ebx, 1993 uint32_t *ecx, uint32_t *edx); 1994 void cpu_clear_apic_feature(CPUX86State *env); 1995 void host_cpuid(uint32_t function, uint32_t count, 1996 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx); 1997 1998 /* helper.c */ 1999 void x86_cpu_set_a20(X86CPU *cpu, int a20_state); 2000 2001 #ifndef CONFIG_USER_ONLY 2002 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs) 2003 { 2004 return !!attrs.secure; 2005 } 2006 2007 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs) 2008 { 2009 return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs)); 2010 } 2011 2012 /* 2013 * load efer and update the corresponding hflags. XXX: do consistency 2014 * checks with cpuid bits? 2015 */ 2016 void cpu_load_efer(CPUX86State *env, uint64_t val); 2017 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr); 2018 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr); 2019 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr); 2020 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr); 2021 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val); 2022 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val); 2023 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val); 2024 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val); 2025 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val); 2026 #endif 2027 2028 /* will be suppressed */ 2029 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0); 2030 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3); 2031 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4); 2032 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7); 2033 2034 /* hw/pc.c */ 2035 uint64_t cpu_get_tsc(CPUX86State *env); 2036 2037 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU 2038 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX) 2039 #define CPU_RESOLVING_TYPE TYPE_X86_CPU 2040 2041 #ifdef TARGET_X86_64 2042 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64") 2043 #else 2044 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32") 2045 #endif 2046 2047 #define cpu_list x86_cpu_list 2048 2049 /* MMU modes definitions */ 2050 #define MMU_KSMAP_IDX 0 2051 #define MMU_USER_IDX 1 2052 #define MMU_KNOSMAP_IDX 2 2053 static inline int cpu_mmu_index(CPUX86State *env, bool ifetch) 2054 { 2055 return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX : 2056 (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK)) 2057 ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX; 2058 } 2059 2060 static inline int cpu_mmu_index_kernel(CPUX86State *env) 2061 { 2062 return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX : 2063 ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK)) 2064 ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX; 2065 } 2066 2067 #define CC_DST (env->cc_dst) 2068 #define CC_SRC (env->cc_src) 2069 #define CC_SRC2 (env->cc_src2) 2070 #define CC_OP (env->cc_op) 2071 2072 typedef CPUX86State CPUArchState; 2073 typedef X86CPU ArchCPU; 2074 2075 #include "exec/cpu-all.h" 2076 #include "svm.h" 2077 2078 #if !defined(CONFIG_USER_ONLY) 2079 #include "hw/i386/apic.h" 2080 #endif 2081 2082 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc, 2083 target_ulong *cs_base, uint32_t *flags) 2084 { 2085 *cs_base = env->segs[R_CS].base; 2086 *pc = *cs_base + env->eip; 2087 *flags = env->hflags | 2088 (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK)); 2089 } 2090 2091 void do_cpu_init(X86CPU *cpu); 2092 void do_cpu_sipi(X86CPU *cpu); 2093 2094 #define MCE_INJECT_BROADCAST 1 2095 #define MCE_INJECT_UNCOND_AO 2 2096 2097 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank, 2098 uint64_t status, uint64_t mcg_status, uint64_t addr, 2099 uint64_t misc, int flags); 2100 2101 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op); 2102 2103 static inline uint32_t cpu_compute_eflags(CPUX86State *env) 2104 { 2105 uint32_t eflags = env->eflags; 2106 if (tcg_enabled()) { 2107 eflags |= cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK); 2108 } 2109 return eflags; 2110 } 2111 2112 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env) 2113 { 2114 return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 }); 2115 } 2116 2117 static inline int32_t x86_get_a20_mask(CPUX86State *env) 2118 { 2119 if (env->hflags & HF_SMM_MASK) { 2120 return -1; 2121 } else { 2122 return env->a20_mask; 2123 } 2124 } 2125 2126 static inline bool cpu_has_vmx(CPUX86State *env) 2127 { 2128 return env->features[FEAT_1_ECX] & CPUID_EXT_VMX; 2129 } 2130 2131 static inline bool cpu_has_svm(CPUX86State *env) 2132 { 2133 return env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM; 2134 } 2135 2136 /* 2137 * In order for a vCPU to enter VMX operation it must have CR4.VMXE set. 2138 * Since it was set, CR4.VMXE must remain set as long as vCPU is in 2139 * VMX operation. This is because CR4.VMXE is one of the bits set 2140 * in MSR_IA32_VMX_CR4_FIXED1. 2141 * 2142 * There is one exception to above statement when vCPU enters SMM mode. 2143 * When a vCPU enters SMM mode, it temporarily exit VMX operation and 2144 * may also reset CR4.VMXE during execution in SMM mode. 2145 * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation 2146 * and CR4.VMXE is restored to it's original value of being set. 2147 * 2148 * Therefore, when vCPU is not in SMM mode, we can infer whether 2149 * VMX is being used by examining CR4.VMXE. Otherwise, we cannot 2150 * know for certain. 2151 */ 2152 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env) 2153 { 2154 return cpu_has_vmx(env) && 2155 ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK)); 2156 } 2157 2158 /* excp_helper.c */ 2159 int get_pg_mode(CPUX86State *env); 2160 2161 /* fpu_helper.c */ 2162 void update_fp_status(CPUX86State *env); 2163 void update_mxcsr_status(CPUX86State *env); 2164 void update_mxcsr_from_sse_status(CPUX86State *env); 2165 2166 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr) 2167 { 2168 env->mxcsr = mxcsr; 2169 if (tcg_enabled()) { 2170 update_mxcsr_status(env); 2171 } 2172 } 2173 2174 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc) 2175 { 2176 env->fpuc = fpuc; 2177 if (tcg_enabled()) { 2178 update_fp_status(env); 2179 } 2180 } 2181 2182 /* mem_helper.c */ 2183 void helper_lock_init(void); 2184 2185 /* svm_helper.c */ 2186 #ifdef CONFIG_USER_ONLY 2187 static inline void 2188 cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type, 2189 uint64_t param, uintptr_t retaddr) 2190 { /* no-op */ } 2191 static inline bool 2192 cpu_svm_has_intercept(CPUX86State *env, uint32_t type) 2193 { return false; } 2194 #else 2195 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type, 2196 uint64_t param, uintptr_t retaddr); 2197 bool cpu_svm_has_intercept(CPUX86State *env, uint32_t type); 2198 #endif 2199 2200 /* apic.c */ 2201 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access); 2202 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip, 2203 TPRAccess access); 2204 2205 /* Special values for X86CPUVersion: */ 2206 2207 /* Resolve to latest CPU version */ 2208 #define CPU_VERSION_LATEST -1 2209 2210 /* 2211 * Resolve to version defined by current machine type. 2212 * See x86_cpu_set_default_version() 2213 */ 2214 #define CPU_VERSION_AUTO -2 2215 2216 /* Don't resolve to any versioned CPU models, like old QEMU versions */ 2217 #define CPU_VERSION_LEGACY 0 2218 2219 typedef int X86CPUVersion; 2220 2221 /* 2222 * Set default CPU model version for CPU models having 2223 * version == CPU_VERSION_AUTO. 2224 */ 2225 void x86_cpu_set_default_version(X86CPUVersion version); 2226 2227 #define APIC_DEFAULT_ADDRESS 0xfee00000 2228 #define APIC_SPACE_SIZE 0x100000 2229 2230 /* cpu-dump.c */ 2231 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags); 2232 2233 /* cpu.c */ 2234 bool cpu_is_bsp(X86CPU *cpu); 2235 2236 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const void *buf, uint32_t buflen); 2237 void x86_cpu_xsave_all_areas(X86CPU *cpu, void *buf, uint32_t buflen); 2238 void x86_update_hflags(CPUX86State* env); 2239 2240 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat) 2241 { 2242 return !!(cpu->hyperv_features & BIT(feat)); 2243 } 2244 2245 static inline uint64_t cr4_reserved_bits(CPUX86State *env) 2246 { 2247 uint64_t reserved_bits = CR4_RESERVED_MASK; 2248 if (!env->features[FEAT_XSAVE]) { 2249 reserved_bits |= CR4_OSXSAVE_MASK; 2250 } 2251 if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMEP)) { 2252 reserved_bits |= CR4_SMEP_MASK; 2253 } 2254 if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMAP)) { 2255 reserved_bits |= CR4_SMAP_MASK; 2256 } 2257 if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE)) { 2258 reserved_bits |= CR4_FSGSBASE_MASK; 2259 } 2260 if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKU)) { 2261 reserved_bits |= CR4_PKE_MASK; 2262 } 2263 if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_LA57)) { 2264 reserved_bits |= CR4_LA57_MASK; 2265 } 2266 if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_UMIP)) { 2267 reserved_bits |= CR4_UMIP_MASK; 2268 } 2269 if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKS)) { 2270 reserved_bits |= CR4_PKS_MASK; 2271 } 2272 return reserved_bits; 2273 } 2274 2275 static inline bool ctl_has_irq(CPUX86State *env) 2276 { 2277 uint32_t int_prio; 2278 uint32_t tpr; 2279 2280 int_prio = (env->int_ctl & V_INTR_PRIO_MASK) >> V_INTR_PRIO_SHIFT; 2281 tpr = env->int_ctl & V_TPR_MASK; 2282 2283 if (env->int_ctl & V_IGN_TPR_MASK) { 2284 return (env->int_ctl & V_IRQ_MASK); 2285 } 2286 2287 return (env->int_ctl & V_IRQ_MASK) && (int_prio >= tpr); 2288 } 2289 2290 hwaddr get_hphys(CPUState *cs, hwaddr gphys, MMUAccessType access_type, 2291 int *prot); 2292 #if defined(TARGET_X86_64) && \ 2293 defined(CONFIG_USER_ONLY) && \ 2294 defined(CONFIG_LINUX) 2295 # define TARGET_VSYSCALL_PAGE (UINT64_C(-10) << 20) 2296 #endif 2297 2298 #endif /* I386_CPU_H */ 2299