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 "system/tcg.h" 24 #include "cpu-qom.h" 25 #include "kvm/hyperv-proto.h" 26 #include "exec/cpu-common.h" 27 #include "exec/cpu-defs.h" 28 #include "exec/cpu-interrupt.h" 29 #include "exec/memop.h" 30 #include "hw/i386/topology.h" 31 #include "qapi/qapi-types-common.h" 32 #include "qemu/cpu-float.h" 33 #include "qemu/timer.h" 34 #include "standard-headers/asm-x86/kvm_para.h" 35 36 #define XEN_NR_VIRQS 24 37 38 #define KVM_HAVE_MCE_INJECTION 1 39 40 /* support for self modifying code even if the modified instruction is 41 close to the modifying instruction */ 42 #define TARGET_HAS_PRECISE_SMC 43 44 #ifdef TARGET_X86_64 45 #define I386_ELF_MACHINE EM_X86_64 46 #define ELF_MACHINE_UNAME "x86_64" 47 #else 48 #define I386_ELF_MACHINE EM_386 49 #define ELF_MACHINE_UNAME "i686" 50 #endif 51 52 enum { 53 R_EAX = 0, 54 R_ECX = 1, 55 R_EDX = 2, 56 R_EBX = 3, 57 R_ESP = 4, 58 R_EBP = 5, 59 R_ESI = 6, 60 R_EDI = 7, 61 R_R8 = 8, 62 R_R9 = 9, 63 R_R10 = 10, 64 R_R11 = 11, 65 R_R12 = 12, 66 R_R13 = 13, 67 R_R14 = 14, 68 R_R15 = 15, 69 70 R_AL = 0, 71 R_CL = 1, 72 R_DL = 2, 73 R_BL = 3, 74 R_AH = 4, 75 R_CH = 5, 76 R_DH = 6, 77 R_BH = 7, 78 }; 79 80 typedef enum X86Seg { 81 R_ES = 0, 82 R_CS = 1, 83 R_SS = 2, 84 R_DS = 3, 85 R_FS = 4, 86 R_GS = 5, 87 R_LDTR = 6, 88 R_TR = 7, 89 } X86Seg; 90 91 /* segment descriptor fields */ 92 #define DESC_G_SHIFT 23 93 #define DESC_G_MASK (1 << DESC_G_SHIFT) 94 #define DESC_B_SHIFT 22 95 #define DESC_B_MASK (1 << DESC_B_SHIFT) 96 #define DESC_L_SHIFT 21 /* x86_64 only : 64 bit code segment */ 97 #define DESC_L_MASK (1 << DESC_L_SHIFT) 98 #define DESC_AVL_SHIFT 20 99 #define DESC_AVL_MASK (1 << DESC_AVL_SHIFT) 100 #define DESC_P_SHIFT 15 101 #define DESC_P_MASK (1 << DESC_P_SHIFT) 102 #define DESC_DPL_SHIFT 13 103 #define DESC_DPL_MASK (3 << DESC_DPL_SHIFT) 104 #define DESC_S_SHIFT 12 105 #define DESC_S_MASK (1 << DESC_S_SHIFT) 106 #define DESC_TYPE_SHIFT 8 107 #define DESC_TYPE_MASK (15 << DESC_TYPE_SHIFT) 108 #define DESC_A_MASK (1 << 8) 109 110 #define DESC_CS_MASK (1 << 11) /* 1=code segment 0=data segment */ 111 #define DESC_C_MASK (1 << 10) /* code: conforming */ 112 #define DESC_R_MASK (1 << 9) /* code: readable */ 113 114 #define DESC_E_MASK (1 << 10) /* data: expansion direction */ 115 #define DESC_W_MASK (1 << 9) /* data: writable */ 116 117 #define DESC_TSS_BUSY_MASK (1 << 9) 118 119 /* eflags masks */ 120 #define CC_C 0x0001 121 #define CC_P 0x0004 122 #define CC_A 0x0010 123 #define CC_Z 0x0040 124 #define CC_S 0x0080 125 #define CC_O 0x0800 126 127 #define TF_SHIFT 8 128 #define IOPL_SHIFT 12 129 #define VM_SHIFT 17 130 131 #define TF_MASK 0x00000100 132 #define IF_MASK 0x00000200 133 #define DF_MASK 0x00000400 134 #define IOPL_MASK 0x00003000 135 #define NT_MASK 0x00004000 136 #define RF_MASK 0x00010000 137 #define VM_MASK 0x00020000 138 #define AC_MASK 0x00040000 139 #define VIF_MASK 0x00080000 140 #define VIP_MASK 0x00100000 141 #define ID_MASK 0x00200000 142 143 /* hidden flags - used internally by qemu to represent additional cpu 144 states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We 145 avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit 146 positions to ease oring with eflags. */ 147 /* current cpl */ 148 #define HF_CPL_SHIFT 0 149 /* true if hardware interrupts must be disabled for next instruction */ 150 #define HF_INHIBIT_IRQ_SHIFT 3 151 /* 16 or 32 segments */ 152 #define HF_CS32_SHIFT 4 153 #define HF_SS32_SHIFT 5 154 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */ 155 #define HF_ADDSEG_SHIFT 6 156 /* copy of CR0.PE (protected mode) */ 157 #define HF_PE_SHIFT 7 158 #define HF_TF_SHIFT 8 /* must be same as eflags */ 159 #define HF_MP_SHIFT 9 /* the order must be MP, EM, TS */ 160 #define HF_EM_SHIFT 10 161 #define HF_TS_SHIFT 11 162 #define HF_IOPL_SHIFT 12 /* must be same as eflags */ 163 #define HF_LMA_SHIFT 14 /* only used on x86_64: long mode active */ 164 #define HF_CS64_SHIFT 15 /* only used on x86_64: 64 bit code segment */ 165 #define HF_RF_SHIFT 16 /* must be same as eflags */ 166 #define HF_VM_SHIFT 17 /* must be same as eflags */ 167 #define HF_AC_SHIFT 18 /* must be same as eflags */ 168 #define HF_SMM_SHIFT 19 /* CPU in SMM mode */ 169 #define HF_SVME_SHIFT 20 /* SVME enabled (copy of EFER.SVME) */ 170 #define HF_GUEST_SHIFT 21 /* SVM intercepts are active */ 171 #define HF_OSFXSR_SHIFT 22 /* CR4.OSFXSR */ 172 #define HF_SMAP_SHIFT 23 /* CR4.SMAP */ 173 #define HF_IOBPT_SHIFT 24 /* an io breakpoint enabled */ 174 #define HF_MPX_EN_SHIFT 25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */ 175 #define HF_MPX_IU_SHIFT 26 /* BND registers in-use */ 176 #define HF_UMIP_SHIFT 27 /* CR4.UMIP */ 177 #define HF_AVX_EN_SHIFT 28 /* AVX Enabled (CR4+XCR0) */ 178 179 #define HF_CPL_MASK (3 << HF_CPL_SHIFT) 180 #define HF_INHIBIT_IRQ_MASK (1 << HF_INHIBIT_IRQ_SHIFT) 181 #define HF_CS32_MASK (1 << HF_CS32_SHIFT) 182 #define HF_SS32_MASK (1 << HF_SS32_SHIFT) 183 #define HF_ADDSEG_MASK (1 << HF_ADDSEG_SHIFT) 184 #define HF_PE_MASK (1 << HF_PE_SHIFT) 185 #define HF_TF_MASK (1 << HF_TF_SHIFT) 186 #define HF_MP_MASK (1 << HF_MP_SHIFT) 187 #define HF_EM_MASK (1 << HF_EM_SHIFT) 188 #define HF_TS_MASK (1 << HF_TS_SHIFT) 189 #define HF_IOPL_MASK (3 << HF_IOPL_SHIFT) 190 #define HF_LMA_MASK (1 << HF_LMA_SHIFT) 191 #define HF_CS64_MASK (1 << HF_CS64_SHIFT) 192 #define HF_RF_MASK (1 << HF_RF_SHIFT) 193 #define HF_VM_MASK (1 << HF_VM_SHIFT) 194 #define HF_AC_MASK (1 << HF_AC_SHIFT) 195 #define HF_SMM_MASK (1 << HF_SMM_SHIFT) 196 #define HF_SVME_MASK (1 << HF_SVME_SHIFT) 197 #define HF_GUEST_MASK (1 << HF_GUEST_SHIFT) 198 #define HF_OSFXSR_MASK (1 << HF_OSFXSR_SHIFT) 199 #define HF_SMAP_MASK (1 << HF_SMAP_SHIFT) 200 #define HF_IOBPT_MASK (1 << HF_IOBPT_SHIFT) 201 #define HF_MPX_EN_MASK (1 << HF_MPX_EN_SHIFT) 202 #define HF_MPX_IU_MASK (1 << HF_MPX_IU_SHIFT) 203 #define HF_UMIP_MASK (1 << HF_UMIP_SHIFT) 204 #define HF_AVX_EN_MASK (1 << HF_AVX_EN_SHIFT) 205 206 /* hflags2 */ 207 208 #define HF2_GIF_SHIFT 0 /* if set CPU takes interrupts */ 209 #define HF2_HIF_SHIFT 1 /* value of IF_MASK when entering SVM */ 210 #define HF2_NMI_SHIFT 2 /* CPU serving NMI */ 211 #define HF2_VINTR_SHIFT 3 /* value of V_INTR_MASKING bit */ 212 #define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */ 213 #define HF2_MPX_PR_SHIFT 5 /* BNDCFGx.BNDPRESERVE */ 214 #define HF2_NPT_SHIFT 6 /* Nested Paging enabled */ 215 #define HF2_IGNNE_SHIFT 7 /* Ignore CR0.NE=0 */ 216 #define HF2_VGIF_SHIFT 8 /* Can take VIRQ*/ 217 218 #define HF2_GIF_MASK (1 << HF2_GIF_SHIFT) 219 #define HF2_HIF_MASK (1 << HF2_HIF_SHIFT) 220 #define HF2_NMI_MASK (1 << HF2_NMI_SHIFT) 221 #define HF2_VINTR_MASK (1 << HF2_VINTR_SHIFT) 222 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT) 223 #define HF2_MPX_PR_MASK (1 << HF2_MPX_PR_SHIFT) 224 #define HF2_NPT_MASK (1 << HF2_NPT_SHIFT) 225 #define HF2_IGNNE_MASK (1 << HF2_IGNNE_SHIFT) 226 #define HF2_VGIF_MASK (1 << HF2_VGIF_SHIFT) 227 228 #define CR0_PE_SHIFT 0 229 #define CR0_MP_SHIFT 1 230 231 #define CR0_PE_MASK (1U << 0) 232 #define CR0_MP_MASK (1U << 1) 233 #define CR0_EM_MASK (1U << 2) 234 #define CR0_TS_MASK (1U << 3) 235 #define CR0_ET_MASK (1U << 4) 236 #define CR0_NE_MASK (1U << 5) 237 #define CR0_WP_MASK (1U << 16) 238 #define CR0_AM_MASK (1U << 18) 239 #define CR0_NW_MASK (1U << 29) 240 #define CR0_CD_MASK (1U << 30) 241 #define CR0_PG_MASK (1U << 31) 242 243 #define CR4_VME_MASK (1U << 0) 244 #define CR4_PVI_MASK (1U << 1) 245 #define CR4_TSD_MASK (1U << 2) 246 #define CR4_DE_MASK (1U << 3) 247 #define CR4_PSE_MASK (1U << 4) 248 #define CR4_PAE_MASK (1U << 5) 249 #define CR4_MCE_MASK (1U << 6) 250 #define CR4_PGE_MASK (1U << 7) 251 #define CR4_PCE_MASK (1U << 8) 252 #define CR4_OSFXSR_SHIFT 9 253 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT) 254 #define CR4_OSXMMEXCPT_MASK (1U << 10) 255 #define CR4_UMIP_MASK (1U << 11) 256 #define CR4_LA57_MASK (1U << 12) 257 #define CR4_VMXE_MASK (1U << 13) 258 #define CR4_SMXE_MASK (1U << 14) 259 #define CR4_FSGSBASE_MASK (1U << 16) 260 #define CR4_PCIDE_MASK (1U << 17) 261 #define CR4_OSXSAVE_MASK (1U << 18) 262 #define CR4_SMEP_MASK (1U << 20) 263 #define CR4_SMAP_MASK (1U << 21) 264 #define CR4_PKE_MASK (1U << 22) 265 #define CR4_PKS_MASK (1U << 24) 266 #define CR4_LAM_SUP_MASK (1U << 28) 267 268 #ifdef TARGET_X86_64 269 #define CR4_FRED_MASK (1ULL << 32) 270 #else 271 #define CR4_FRED_MASK 0 272 #endif 273 274 #define CR4_RESERVED_MASK \ 275 (~(target_ulong)(CR4_VME_MASK | CR4_PVI_MASK | CR4_TSD_MASK \ 276 | CR4_DE_MASK | CR4_PSE_MASK | CR4_PAE_MASK \ 277 | CR4_MCE_MASK | CR4_PGE_MASK | CR4_PCE_MASK \ 278 | CR4_OSFXSR_MASK | CR4_OSXMMEXCPT_MASK | CR4_UMIP_MASK \ 279 | CR4_LA57_MASK \ 280 | CR4_FSGSBASE_MASK | CR4_PCIDE_MASK | CR4_OSXSAVE_MASK \ 281 | CR4_SMEP_MASK | CR4_SMAP_MASK | CR4_PKE_MASK | CR4_PKS_MASK \ 282 | CR4_LAM_SUP_MASK | CR4_FRED_MASK)) 283 284 #define DR6_BD (1 << 13) 285 #define DR6_BS (1 << 14) 286 #define DR6_BT (1 << 15) 287 #define DR6_FIXED_1 0xffff0ff0 288 289 #define DR7_GD (1 << 13) 290 #define DR7_TYPE_SHIFT 16 291 #define DR7_LEN_SHIFT 18 292 #define DR7_FIXED_1 0x00000400 293 #define DR7_GLOBAL_BP_MASK 0xaa 294 #define DR7_LOCAL_BP_MASK 0x55 295 #define DR7_MAX_BP 4 296 #define DR7_TYPE_BP_INST 0x0 297 #define DR7_TYPE_DATA_WR 0x1 298 #define DR7_TYPE_IO_RW 0x2 299 #define DR7_TYPE_DATA_RW 0x3 300 301 #define DR_RESERVED_MASK 0xffffffff00000000ULL 302 303 #define PG_PRESENT_BIT 0 304 #define PG_RW_BIT 1 305 #define PG_USER_BIT 2 306 #define PG_PWT_BIT 3 307 #define PG_PCD_BIT 4 308 #define PG_ACCESSED_BIT 5 309 #define PG_DIRTY_BIT 6 310 #define PG_PSE_BIT 7 311 #define PG_GLOBAL_BIT 8 312 #define PG_PSE_PAT_BIT 12 313 #define PG_PKRU_BIT 59 314 #define PG_NX_BIT 63 315 316 #define PG_PRESENT_MASK (1 << PG_PRESENT_BIT) 317 #define PG_RW_MASK (1 << PG_RW_BIT) 318 #define PG_USER_MASK (1 << PG_USER_BIT) 319 #define PG_PWT_MASK (1 << PG_PWT_BIT) 320 #define PG_PCD_MASK (1 << PG_PCD_BIT) 321 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT) 322 #define PG_DIRTY_MASK (1 << PG_DIRTY_BIT) 323 #define PG_PSE_MASK (1 << PG_PSE_BIT) 324 #define PG_GLOBAL_MASK (1 << PG_GLOBAL_BIT) 325 #define PG_PSE_PAT_MASK (1 << PG_PSE_PAT_BIT) 326 #define PG_ADDRESS_MASK 0x000ffffffffff000LL 327 #define PG_HI_USER_MASK 0x7ff0000000000000LL 328 #define PG_PKRU_MASK (15ULL << PG_PKRU_BIT) 329 #define PG_NX_MASK (1ULL << PG_NX_BIT) 330 331 #define PG_ERROR_W_BIT 1 332 333 #define PG_ERROR_P_MASK 0x01 334 #define PG_ERROR_W_MASK (1 << PG_ERROR_W_BIT) 335 #define PG_ERROR_U_MASK 0x04 336 #define PG_ERROR_RSVD_MASK 0x08 337 #define PG_ERROR_I_D_MASK 0x10 338 #define PG_ERROR_PK_MASK 0x20 339 340 #define PG_MODE_PAE (1 << 0) 341 #define PG_MODE_LMA (1 << 1) 342 #define PG_MODE_NXE (1 << 2) 343 #define PG_MODE_PSE (1 << 3) 344 #define PG_MODE_LA57 (1 << 4) 345 #define PG_MODE_SVM_MASK MAKE_64BIT_MASK(0, 15) 346 347 /* Bits of CR4 that do not affect the NPT page format. */ 348 #define PG_MODE_WP (1 << 16) 349 #define PG_MODE_PKE (1 << 17) 350 #define PG_MODE_PKS (1 << 18) 351 #define PG_MODE_SMEP (1 << 19) 352 #define PG_MODE_PG (1 << 20) 353 354 #define MCG_CTL_P (1ULL<<8) /* MCG_CAP register available */ 355 #define MCG_SER_P (1ULL<<24) /* MCA recovery/new status bits */ 356 #define MCG_LMCE_P (1ULL<<27) /* Local Machine Check Supported */ 357 358 #define MCE_CAP_DEF (MCG_CTL_P|MCG_SER_P) 359 #define MCE_BANKS_DEF 10 360 361 #define MCG_CAP_BANKS_MASK 0xff 362 363 #define MCG_STATUS_RIPV (1ULL<<0) /* restart ip valid */ 364 #define MCG_STATUS_EIPV (1ULL<<1) /* ip points to correct instruction */ 365 #define MCG_STATUS_MCIP (1ULL<<2) /* machine check in progress */ 366 #define MCG_STATUS_LMCE (1ULL<<3) /* Local MCE signaled */ 367 368 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */ 369 370 #define MCI_STATUS_VAL (1ULL<<63) /* valid error */ 371 #define MCI_STATUS_OVER (1ULL<<62) /* previous errors lost */ 372 #define MCI_STATUS_UC (1ULL<<61) /* uncorrected error */ 373 #define MCI_STATUS_EN (1ULL<<60) /* error enabled */ 374 #define MCI_STATUS_MISCV (1ULL<<59) /* misc error reg. valid */ 375 #define MCI_STATUS_ADDRV (1ULL<<58) /* addr reg. valid */ 376 #define MCI_STATUS_PCC (1ULL<<57) /* processor context corrupt */ 377 #define MCI_STATUS_S (1ULL<<56) /* Signaled machine check */ 378 #define MCI_STATUS_AR (1ULL<<55) /* Action required */ 379 #define MCI_STATUS_DEFERRED (1ULL<<44) /* Deferred error */ 380 #define MCI_STATUS_POISON (1ULL<<43) /* Poisoned data consumed */ 381 382 /* MISC register defines */ 383 #define MCM_ADDR_SEGOFF 0 /* segment offset */ 384 #define MCM_ADDR_LINEAR 1 /* linear address */ 385 #define MCM_ADDR_PHYS 2 /* physical address */ 386 #define MCM_ADDR_MEM 3 /* memory address */ 387 #define MCM_ADDR_GENERIC 7 /* generic */ 388 389 #define MSR_IA32_TSC 0x10 390 #define MSR_IA32_APICBASE 0x1b 391 #define MSR_IA32_APICBASE_BSP (1<<8) 392 #define MSR_IA32_APICBASE_ENABLE (1<<11) 393 #define MSR_IA32_APICBASE_EXTD (1 << 10) 394 #define MSR_IA32_APICBASE_BASE (0xfffffU<<12) 395 #define MSR_IA32_APICBASE_RESERVED \ 396 (~(uint64_t)(MSR_IA32_APICBASE_BSP | MSR_IA32_APICBASE_ENABLE \ 397 | MSR_IA32_APICBASE_EXTD | MSR_IA32_APICBASE_BASE)) 398 399 #define MSR_IA32_FEATURE_CONTROL 0x0000003a 400 #define MSR_TSC_ADJUST 0x0000003b 401 #define MSR_IA32_SPEC_CTRL 0x48 402 #define MSR_VIRT_SSBD 0xc001011f 403 #define MSR_IA32_PRED_CMD 0x49 404 #define MSR_IA32_UCODE_REV 0x8b 405 #define MSR_IA32_CORE_CAPABILITY 0xcf 406 407 #define MSR_IA32_ARCH_CAPABILITIES 0x10a 408 #define ARCH_CAP_TSX_CTRL_MSR (1<<7) 409 410 #define MSR_IA32_PERF_CAPABILITIES 0x345 411 #define PERF_CAP_LBR_FMT 0x3f 412 413 #define MSR_IA32_TSX_CTRL 0x122 414 #define MSR_IA32_TSCDEADLINE 0x6e0 415 #define MSR_IA32_PKRS 0x6e1 416 #define MSR_RAPL_POWER_UNIT 0x00000606 417 #define MSR_PKG_POWER_LIMIT 0x00000610 418 #define MSR_PKG_ENERGY_STATUS 0x00000611 419 #define MSR_PKG_POWER_INFO 0x00000614 420 #define MSR_ARCH_LBR_CTL 0x000014ce 421 #define MSR_ARCH_LBR_DEPTH 0x000014cf 422 #define MSR_ARCH_LBR_FROM_0 0x00001500 423 #define MSR_ARCH_LBR_TO_0 0x00001600 424 #define MSR_ARCH_LBR_INFO_0 0x00001200 425 426 #define FEATURE_CONTROL_LOCKED (1<<0) 427 #define FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX (1ULL << 1) 428 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2) 429 #define FEATURE_CONTROL_SGX_LC (1ULL << 17) 430 #define FEATURE_CONTROL_SGX (1ULL << 18) 431 #define FEATURE_CONTROL_LMCE (1<<20) 432 433 #define MSR_IA32_SGXLEPUBKEYHASH0 0x8c 434 #define MSR_IA32_SGXLEPUBKEYHASH1 0x8d 435 #define MSR_IA32_SGXLEPUBKEYHASH2 0x8e 436 #define MSR_IA32_SGXLEPUBKEYHASH3 0x8f 437 438 #define MSR_P6_PERFCTR0 0xc1 439 440 #define MSR_IA32_SMBASE 0x9e 441 #define MSR_SMI_COUNT 0x34 442 #define MSR_CORE_THREAD_COUNT 0x35 443 #define MSR_MTRRcap 0xfe 444 #define MSR_MTRRcap_VCNT 8 445 #define MSR_MTRRcap_FIXRANGE_SUPPORT (1 << 8) 446 #define MSR_MTRRcap_WC_SUPPORTED (1 << 10) 447 448 #define MSR_IA32_SYSENTER_CS 0x174 449 #define MSR_IA32_SYSENTER_ESP 0x175 450 #define MSR_IA32_SYSENTER_EIP 0x176 451 452 #define MSR_MCG_CAP 0x179 453 #define MSR_MCG_STATUS 0x17a 454 #define MSR_MCG_CTL 0x17b 455 #define MSR_MCG_EXT_CTL 0x4d0 456 457 #define MSR_P6_EVNTSEL0 0x186 458 459 #define MSR_IA32_PERF_STATUS 0x198 460 461 #define MSR_IA32_MISC_ENABLE 0x1a0 462 /* Indicates good rep/movs microcode on some processors: */ 463 #define MSR_IA32_MISC_ENABLE_DEFAULT 1 464 #define MSR_IA32_MISC_ENABLE_MWAIT (1ULL << 18) 465 466 #define MSR_MTRRphysBase(reg) (0x200 + 2 * (reg)) 467 #define MSR_MTRRphysMask(reg) (0x200 + 2 * (reg) + 1) 468 469 #define MSR_MTRRphysIndex(addr) ((((addr) & ~1u) - 0x200) / 2) 470 471 #define MSR_MTRRfix64K_00000 0x250 472 #define MSR_MTRRfix16K_80000 0x258 473 #define MSR_MTRRfix16K_A0000 0x259 474 #define MSR_MTRRfix4K_C0000 0x268 475 #define MSR_MTRRfix4K_C8000 0x269 476 #define MSR_MTRRfix4K_D0000 0x26a 477 #define MSR_MTRRfix4K_D8000 0x26b 478 #define MSR_MTRRfix4K_E0000 0x26c 479 #define MSR_MTRRfix4K_E8000 0x26d 480 #define MSR_MTRRfix4K_F0000 0x26e 481 #define MSR_MTRRfix4K_F8000 0x26f 482 483 #define MSR_PAT 0x277 484 485 #define MSR_MTRRdefType 0x2ff 486 487 #define MSR_CORE_PERF_FIXED_CTR0 0x309 488 #define MSR_CORE_PERF_FIXED_CTR1 0x30a 489 #define MSR_CORE_PERF_FIXED_CTR2 0x30b 490 #define MSR_CORE_PERF_FIXED_CTR_CTRL 0x38d 491 #define MSR_CORE_PERF_GLOBAL_STATUS 0x38e 492 #define MSR_CORE_PERF_GLOBAL_CTRL 0x38f 493 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL 0x390 494 495 #define MSR_MC0_CTL 0x400 496 #define MSR_MC0_STATUS 0x401 497 #define MSR_MC0_ADDR 0x402 498 #define MSR_MC0_MISC 0x403 499 500 #define MSR_IA32_RTIT_OUTPUT_BASE 0x560 501 #define MSR_IA32_RTIT_OUTPUT_MASK 0x561 502 #define MSR_IA32_RTIT_CTL 0x570 503 #define MSR_IA32_RTIT_STATUS 0x571 504 #define MSR_IA32_RTIT_CR3_MATCH 0x572 505 #define MSR_IA32_RTIT_ADDR0_A 0x580 506 #define MSR_IA32_RTIT_ADDR0_B 0x581 507 #define MSR_IA32_RTIT_ADDR1_A 0x582 508 #define MSR_IA32_RTIT_ADDR1_B 0x583 509 #define MSR_IA32_RTIT_ADDR2_A 0x584 510 #define MSR_IA32_RTIT_ADDR2_B 0x585 511 #define MSR_IA32_RTIT_ADDR3_A 0x586 512 #define MSR_IA32_RTIT_ADDR3_B 0x587 513 #define MAX_RTIT_ADDRS 8 514 515 #define MSR_EFER 0xc0000080 516 517 #define MSR_EFER_SCE (1 << 0) 518 #define MSR_EFER_LME (1 << 8) 519 #define MSR_EFER_LMA (1 << 10) 520 #define MSR_EFER_NXE (1 << 11) 521 #define MSR_EFER_SVME (1 << 12) 522 #define MSR_EFER_FFXSR (1 << 14) 523 524 #define MSR_EFER_RESERVED\ 525 (~(target_ulong)(MSR_EFER_SCE | MSR_EFER_LME\ 526 | MSR_EFER_LMA | MSR_EFER_NXE | MSR_EFER_SVME\ 527 | MSR_EFER_FFXSR)) 528 529 #define MSR_STAR 0xc0000081 530 #define MSR_LSTAR 0xc0000082 531 #define MSR_CSTAR 0xc0000083 532 #define MSR_FMASK 0xc0000084 533 #define MSR_FSBASE 0xc0000100 534 #define MSR_GSBASE 0xc0000101 535 #define MSR_KERNELGSBASE 0xc0000102 536 #define MSR_TSC_AUX 0xc0000103 537 #define MSR_AMD64_TSC_RATIO 0xc0000104 538 539 #define MSR_AMD64_TSC_RATIO_DEFAULT 0x100000000ULL 540 541 #define MSR_K7_HWCR 0xc0010015 542 543 #define MSR_VM_HSAVE_PA 0xc0010117 544 545 #define MSR_IA32_XFD 0x000001c4 546 #define MSR_IA32_XFD_ERR 0x000001c5 547 548 /* FRED MSRs */ 549 #define MSR_IA32_FRED_RSP0 0x000001cc /* Stack level 0 regular stack pointer */ 550 #define MSR_IA32_FRED_RSP1 0x000001cd /* Stack level 1 regular stack pointer */ 551 #define MSR_IA32_FRED_RSP2 0x000001ce /* Stack level 2 regular stack pointer */ 552 #define MSR_IA32_FRED_RSP3 0x000001cf /* Stack level 3 regular stack pointer */ 553 #define MSR_IA32_FRED_STKLVLS 0x000001d0 /* FRED exception stack levels */ 554 #define MSR_IA32_FRED_SSP1 0x000001d1 /* Stack level 1 shadow stack pointer in ring 0 */ 555 #define MSR_IA32_FRED_SSP2 0x000001d2 /* Stack level 2 shadow stack pointer in ring 0 */ 556 #define MSR_IA32_FRED_SSP3 0x000001d3 /* Stack level 3 shadow stack pointer in ring 0 */ 557 #define MSR_IA32_FRED_CONFIG 0x000001d4 /* FRED Entrypoint and interrupt stack level */ 558 559 #define MSR_IA32_BNDCFGS 0x00000d90 560 #define MSR_IA32_XSS 0x00000da0 561 #define MSR_IA32_UMWAIT_CONTROL 0xe1 562 563 #define MSR_IA32_VMX_BASIC 0x00000480 564 #define MSR_IA32_VMX_PINBASED_CTLS 0x00000481 565 #define MSR_IA32_VMX_PROCBASED_CTLS 0x00000482 566 #define MSR_IA32_VMX_EXIT_CTLS 0x00000483 567 #define MSR_IA32_VMX_ENTRY_CTLS 0x00000484 568 #define MSR_IA32_VMX_MISC 0x00000485 569 #define MSR_IA32_VMX_CR0_FIXED0 0x00000486 570 #define MSR_IA32_VMX_CR0_FIXED1 0x00000487 571 #define MSR_IA32_VMX_CR4_FIXED0 0x00000488 572 #define MSR_IA32_VMX_CR4_FIXED1 0x00000489 573 #define MSR_IA32_VMX_VMCS_ENUM 0x0000048a 574 #define MSR_IA32_VMX_PROCBASED_CTLS2 0x0000048b 575 #define MSR_IA32_VMX_EPT_VPID_CAP 0x0000048c 576 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS 0x0000048d 577 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e 578 #define MSR_IA32_VMX_TRUE_EXIT_CTLS 0x0000048f 579 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS 0x00000490 580 #define MSR_IA32_VMX_VMFUNC 0x00000491 581 582 #define MSR_APIC_START 0x00000800 583 #define MSR_APIC_END 0x000008ff 584 585 #define XSTATE_FP_BIT 0 586 #define XSTATE_SSE_BIT 1 587 #define XSTATE_YMM_BIT 2 588 #define XSTATE_BNDREGS_BIT 3 589 #define XSTATE_BNDCSR_BIT 4 590 #define XSTATE_OPMASK_BIT 5 591 #define XSTATE_ZMM_Hi256_BIT 6 592 #define XSTATE_Hi16_ZMM_BIT 7 593 #define XSTATE_PKRU_BIT 9 594 #define XSTATE_ARCH_LBR_BIT 15 595 #define XSTATE_XTILE_CFG_BIT 17 596 #define XSTATE_XTILE_DATA_BIT 18 597 598 #define XSTATE_FP_MASK (1ULL << XSTATE_FP_BIT) 599 #define XSTATE_SSE_MASK (1ULL << XSTATE_SSE_BIT) 600 #define XSTATE_YMM_MASK (1ULL << XSTATE_YMM_BIT) 601 #define XSTATE_BNDREGS_MASK (1ULL << XSTATE_BNDREGS_BIT) 602 #define XSTATE_BNDCSR_MASK (1ULL << XSTATE_BNDCSR_BIT) 603 #define XSTATE_OPMASK_MASK (1ULL << XSTATE_OPMASK_BIT) 604 #define XSTATE_ZMM_Hi256_MASK (1ULL << XSTATE_ZMM_Hi256_BIT) 605 #define XSTATE_Hi16_ZMM_MASK (1ULL << XSTATE_Hi16_ZMM_BIT) 606 #define XSTATE_PKRU_MASK (1ULL << XSTATE_PKRU_BIT) 607 #define XSTATE_ARCH_LBR_MASK (1ULL << XSTATE_ARCH_LBR_BIT) 608 #define XSTATE_XTILE_CFG_MASK (1ULL << XSTATE_XTILE_CFG_BIT) 609 #define XSTATE_XTILE_DATA_MASK (1ULL << XSTATE_XTILE_DATA_BIT) 610 611 #define XSTATE_DYNAMIC_MASK (XSTATE_XTILE_DATA_MASK) 612 613 #define ESA_FEATURE_ALIGN64_BIT 1 614 #define ESA_FEATURE_XFD_BIT 2 615 616 #define ESA_FEATURE_ALIGN64_MASK (1U << ESA_FEATURE_ALIGN64_BIT) 617 #define ESA_FEATURE_XFD_MASK (1U << ESA_FEATURE_XFD_BIT) 618 619 620 /* CPUID feature bits available in XCR0 */ 621 #define CPUID_XSTATE_XCR0_MASK (XSTATE_FP_MASK | XSTATE_SSE_MASK | \ 622 XSTATE_YMM_MASK | XSTATE_BNDREGS_MASK | \ 623 XSTATE_BNDCSR_MASK | XSTATE_OPMASK_MASK | \ 624 XSTATE_ZMM_Hi256_MASK | \ 625 XSTATE_Hi16_ZMM_MASK | XSTATE_PKRU_MASK | \ 626 XSTATE_XTILE_CFG_MASK | XSTATE_XTILE_DATA_MASK) 627 628 /* CPUID feature words */ 629 typedef enum FeatureWord { 630 FEAT_1_EDX, /* CPUID[1].EDX */ 631 FEAT_1_ECX, /* CPUID[1].ECX */ 632 FEAT_7_0_EBX, /* CPUID[EAX=7,ECX=0].EBX */ 633 FEAT_7_0_ECX, /* CPUID[EAX=7,ECX=0].ECX */ 634 FEAT_7_0_EDX, /* CPUID[EAX=7,ECX=0].EDX */ 635 FEAT_7_1_EAX, /* CPUID[EAX=7,ECX=1].EAX */ 636 FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */ 637 FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */ 638 FEAT_8000_0007_EBX, /* CPUID[8000_0007].EBX */ 639 FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */ 640 FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */ 641 FEAT_8000_0021_EAX, /* CPUID[8000_0021].EAX */ 642 FEAT_8000_0021_EBX, /* CPUID[8000_0021].EBX */ 643 FEAT_8000_0022_EAX, /* CPUID[8000_0022].EAX */ 644 FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */ 645 FEAT_KVM, /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */ 646 FEAT_KVM_HINTS, /* CPUID[4000_0001].EDX */ 647 FEAT_SVM, /* CPUID[8000_000A].EDX */ 648 FEAT_XSAVE, /* CPUID[EAX=0xd,ECX=1].EAX */ 649 FEAT_6_EAX, /* CPUID[6].EAX */ 650 FEAT_XSAVE_XCR0_LO, /* CPUID[EAX=0xd,ECX=0].EAX */ 651 FEAT_XSAVE_XCR0_HI, /* CPUID[EAX=0xd,ECX=0].EDX */ 652 FEAT_ARCH_CAPABILITIES, 653 FEAT_CORE_CAPABILITY, 654 FEAT_PERF_CAPABILITIES, 655 FEAT_VMX_PROCBASED_CTLS, 656 FEAT_VMX_SECONDARY_CTLS, 657 FEAT_VMX_PINBASED_CTLS, 658 FEAT_VMX_EXIT_CTLS, 659 FEAT_VMX_ENTRY_CTLS, 660 FEAT_VMX_MISC, 661 FEAT_VMX_EPT_VPID_CAPS, 662 FEAT_VMX_BASIC, 663 FEAT_VMX_VMFUNC, 664 FEAT_14_0_ECX, 665 FEAT_SGX_12_0_EAX, /* CPUID[EAX=0x12,ECX=0].EAX (SGX) */ 666 FEAT_SGX_12_0_EBX, /* CPUID[EAX=0x12,ECX=0].EBX (SGX MISCSELECT[31:0]) */ 667 FEAT_SGX_12_1_EAX, /* CPUID[EAX=0x12,ECX=1].EAX (SGX ATTRIBUTES[31:0]) */ 668 FEAT_XSAVE_XSS_LO, /* CPUID[EAX=0xd,ECX=1].ECX */ 669 FEAT_XSAVE_XSS_HI, /* CPUID[EAX=0xd,ECX=1].EDX */ 670 FEAT_7_1_EDX, /* CPUID[EAX=7,ECX=1].EDX */ 671 FEAT_7_2_EDX, /* CPUID[EAX=7,ECX=2].EDX */ 672 FEAT_24_0_EBX, /* CPUID[EAX=0x24,ECX=0].EBX */ 673 FEATURE_WORDS, 674 } FeatureWord; 675 676 typedef uint64_t FeatureWordArray[FEATURE_WORDS]; 677 uint64_t x86_cpu_get_supported_feature_word(X86CPU *cpu, FeatureWord w); 678 679 /* cpuid_features bits */ 680 #define CPUID_FP87 (1U << 0) 681 #define CPUID_VME (1U << 1) 682 #define CPUID_DE (1U << 2) 683 #define CPUID_PSE (1U << 3) 684 #define CPUID_TSC (1U << 4) 685 #define CPUID_MSR (1U << 5) 686 #define CPUID_PAE (1U << 6) 687 #define CPUID_MCE (1U << 7) 688 #define CPUID_CX8 (1U << 8) 689 #define CPUID_APIC (1U << 9) 690 #define CPUID_SEP (1U << 11) /* sysenter/sysexit */ 691 #define CPUID_MTRR (1U << 12) 692 #define CPUID_PGE (1U << 13) 693 #define CPUID_MCA (1U << 14) 694 #define CPUID_CMOV (1U << 15) 695 #define CPUID_PAT (1U << 16) 696 #define CPUID_PSE36 (1U << 17) 697 #define CPUID_PN (1U << 18) 698 #define CPUID_CLFLUSH (1U << 19) 699 #define CPUID_DTS (1U << 21) 700 #define CPUID_ACPI (1U << 22) 701 #define CPUID_MMX (1U << 23) 702 #define CPUID_FXSR (1U << 24) 703 #define CPUID_SSE (1U << 25) 704 #define CPUID_SSE2 (1U << 26) 705 #define CPUID_SS (1U << 27) 706 #define CPUID_HT (1U << 28) 707 #define CPUID_TM (1U << 29) 708 #define CPUID_IA64 (1U << 30) 709 #define CPUID_PBE (1U << 31) 710 711 #define CPUID_EXT_SSE3 (1U << 0) 712 #define CPUID_EXT_PCLMULQDQ (1U << 1) 713 #define CPUID_EXT_DTES64 (1U << 2) 714 #define CPUID_EXT_MONITOR (1U << 3) 715 #define CPUID_EXT_DSCPL (1U << 4) 716 #define CPUID_EXT_VMX (1U << 5) 717 #define CPUID_EXT_SMX (1U << 6) 718 #define CPUID_EXT_EST (1U << 7) 719 #define CPUID_EXT_TM2 (1U << 8) 720 #define CPUID_EXT_SSSE3 (1U << 9) 721 #define CPUID_EXT_CID (1U << 10) 722 #define CPUID_EXT_FMA (1U << 12) 723 #define CPUID_EXT_CX16 (1U << 13) 724 #define CPUID_EXT_XTPR (1U << 14) 725 #define CPUID_EXT_PDCM (1U << 15) 726 #define CPUID_EXT_PCID (1U << 17) 727 #define CPUID_EXT_DCA (1U << 18) 728 #define CPUID_EXT_SSE41 (1U << 19) 729 #define CPUID_EXT_SSE42 (1U << 20) 730 #define CPUID_EXT_X2APIC (1U << 21) 731 #define CPUID_EXT_MOVBE (1U << 22) 732 #define CPUID_EXT_POPCNT (1U << 23) 733 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24) 734 #define CPUID_EXT_AES (1U << 25) 735 #define CPUID_EXT_XSAVE (1U << 26) 736 #define CPUID_EXT_OSXSAVE (1U << 27) 737 #define CPUID_EXT_AVX (1U << 28) 738 #define CPUID_EXT_F16C (1U << 29) 739 #define CPUID_EXT_RDRAND (1U << 30) 740 #define CPUID_EXT_HYPERVISOR (1U << 31) 741 742 #define CPUID_EXT2_FPU (1U << 0) 743 #define CPUID_EXT2_VME (1U << 1) 744 #define CPUID_EXT2_DE (1U << 2) 745 #define CPUID_EXT2_PSE (1U << 3) 746 #define CPUID_EXT2_TSC (1U << 4) 747 #define CPUID_EXT2_MSR (1U << 5) 748 #define CPUID_EXT2_PAE (1U << 6) 749 #define CPUID_EXT2_MCE (1U << 7) 750 #define CPUID_EXT2_CX8 (1U << 8) 751 #define CPUID_EXT2_APIC (1U << 9) 752 #define CPUID_EXT2_SYSCALL (1U << 11) 753 #define CPUID_EXT2_MTRR (1U << 12) 754 #define CPUID_EXT2_PGE (1U << 13) 755 #define CPUID_EXT2_MCA (1U << 14) 756 #define CPUID_EXT2_CMOV (1U << 15) 757 #define CPUID_EXT2_PAT (1U << 16) 758 #define CPUID_EXT2_PSE36 (1U << 17) 759 #define CPUID_EXT2_MP (1U << 19) 760 #define CPUID_EXT2_NX (1U << 20) 761 #define CPUID_EXT2_MMXEXT (1U << 22) 762 #define CPUID_EXT2_MMX (1U << 23) 763 #define CPUID_EXT2_FXSR (1U << 24) 764 #define CPUID_EXT2_FFXSR (1U << 25) 765 #define CPUID_EXT2_PDPE1GB (1U << 26) 766 #define CPUID_EXT2_RDTSCP (1U << 27) 767 #define CPUID_EXT2_LM (1U << 29) 768 #define CPUID_EXT2_3DNOWEXT (1U << 30) 769 #define CPUID_EXT2_3DNOW (1U << 31) 770 771 /* CPUID[8000_0001].EDX bits that are aliases of CPUID[1].EDX bits on AMD CPUs */ 772 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \ 773 CPUID_EXT2_DE | CPUID_EXT2_PSE | \ 774 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \ 775 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \ 776 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \ 777 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \ 778 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \ 779 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \ 780 CPUID_EXT2_MMX | CPUID_EXT2_FXSR) 781 782 #define CPUID_EXT3_LAHF_LM (1U << 0) 783 #define CPUID_EXT3_CMP_LEG (1U << 1) 784 #define CPUID_EXT3_SVM (1U << 2) 785 #define CPUID_EXT3_EXTAPIC (1U << 3) 786 #define CPUID_EXT3_CR8LEG (1U << 4) 787 #define CPUID_EXT3_ABM (1U << 5) 788 #define CPUID_EXT3_SSE4A (1U << 6) 789 #define CPUID_EXT3_MISALIGNSSE (1U << 7) 790 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8) 791 #define CPUID_EXT3_OSVW (1U << 9) 792 #define CPUID_EXT3_IBS (1U << 10) 793 #define CPUID_EXT3_XOP (1U << 11) 794 #define CPUID_EXT3_SKINIT (1U << 12) 795 #define CPUID_EXT3_WDT (1U << 13) 796 #define CPUID_EXT3_LWP (1U << 15) 797 #define CPUID_EXT3_FMA4 (1U << 16) 798 #define CPUID_EXT3_TCE (1U << 17) 799 #define CPUID_EXT3_NODEID (1U << 19) 800 #define CPUID_EXT3_TBM (1U << 21) 801 #define CPUID_EXT3_TOPOEXT (1U << 22) 802 #define CPUID_EXT3_PERFCORE (1U << 23) 803 #define CPUID_EXT3_PERFNB (1U << 24) 804 805 #define CPUID_SVM_NPT (1U << 0) 806 #define CPUID_SVM_LBRV (1U << 1) 807 #define CPUID_SVM_SVMLOCK (1U << 2) 808 #define CPUID_SVM_NRIPSAVE (1U << 3) 809 #define CPUID_SVM_TSCSCALE (1U << 4) 810 #define CPUID_SVM_VMCBCLEAN (1U << 5) 811 #define CPUID_SVM_FLUSHASID (1U << 6) 812 #define CPUID_SVM_DECODEASSIST (1U << 7) 813 #define CPUID_SVM_PAUSEFILTER (1U << 10) 814 #define CPUID_SVM_PFTHRESHOLD (1U << 12) 815 #define CPUID_SVM_AVIC (1U << 13) 816 #define CPUID_SVM_V_VMSAVE_VMLOAD (1U << 15) 817 #define CPUID_SVM_VGIF (1U << 16) 818 #define CPUID_SVM_VNMI (1U << 25) 819 #define CPUID_SVM_SVME_ADDR_CHK (1U << 28) 820 821 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */ 822 #define CPUID_7_0_EBX_FSGSBASE (1U << 0) 823 /* Support TSC adjust MSR */ 824 #define CPUID_7_0_EBX_TSC_ADJUST (1U << 1) 825 /* Support SGX */ 826 #define CPUID_7_0_EBX_SGX (1U << 2) 827 /* 1st Group of Advanced Bit Manipulation Extensions */ 828 #define CPUID_7_0_EBX_BMI1 (1U << 3) 829 /* Hardware Lock Elision */ 830 #define CPUID_7_0_EBX_HLE (1U << 4) 831 /* Intel Advanced Vector Extensions 2 */ 832 #define CPUID_7_0_EBX_AVX2 (1U << 5) 833 /* FPU data pointer updated only on x87 exceptions */ 834 #define CPUID_7_0_EBX_FDP_EXCPTN_ONLY (1u << 6) 835 /* Supervisor-mode Execution Prevention */ 836 #define CPUID_7_0_EBX_SMEP (1U << 7) 837 /* 2nd Group of Advanced Bit Manipulation Extensions */ 838 #define CPUID_7_0_EBX_BMI2 (1U << 8) 839 /* Enhanced REP MOVSB/STOSB */ 840 #define CPUID_7_0_EBX_ERMS (1U << 9) 841 /* Invalidate Process-Context Identifier */ 842 #define CPUID_7_0_EBX_INVPCID (1U << 10) 843 /* Restricted Transactional Memory */ 844 #define CPUID_7_0_EBX_RTM (1U << 11) 845 /* Zero out FPU CS and FPU DS */ 846 #define CPUID_7_0_EBX_ZERO_FCS_FDS (1U << 13) 847 /* Memory Protection Extension */ 848 #define CPUID_7_0_EBX_MPX (1U << 14) 849 /* AVX-512 Foundation */ 850 #define CPUID_7_0_EBX_AVX512F (1U << 16) 851 /* AVX-512 Doubleword & Quadword Instruction */ 852 #define CPUID_7_0_EBX_AVX512DQ (1U << 17) 853 /* Read Random SEED */ 854 #define CPUID_7_0_EBX_RDSEED (1U << 18) 855 /* ADCX and ADOX instructions */ 856 #define CPUID_7_0_EBX_ADX (1U << 19) 857 /* Supervisor Mode Access Prevention */ 858 #define CPUID_7_0_EBX_SMAP (1U << 20) 859 /* AVX-512 Integer Fused Multiply Add */ 860 #define CPUID_7_0_EBX_AVX512IFMA (1U << 21) 861 /* Flush a Cache Line Optimized */ 862 #define CPUID_7_0_EBX_CLFLUSHOPT (1U << 23) 863 /* Cache Line Write Back */ 864 #define CPUID_7_0_EBX_CLWB (1U << 24) 865 /* Intel Processor Trace */ 866 #define CPUID_7_0_EBX_INTEL_PT (1U << 25) 867 /* AVX-512 Prefetch */ 868 #define CPUID_7_0_EBX_AVX512PF (1U << 26) 869 /* AVX-512 Exponential and Reciprocal */ 870 #define CPUID_7_0_EBX_AVX512ER (1U << 27) 871 /* AVX-512 Conflict Detection */ 872 #define CPUID_7_0_EBX_AVX512CD (1U << 28) 873 /* SHA1/SHA256 Instruction Extensions */ 874 #define CPUID_7_0_EBX_SHA_NI (1U << 29) 875 /* AVX-512 Byte and Word Instructions */ 876 #define CPUID_7_0_EBX_AVX512BW (1U << 30) 877 /* AVX-512 Vector Length Extensions */ 878 #define CPUID_7_0_EBX_AVX512VL (1U << 31) 879 880 /* AVX-512 Vector Byte Manipulation Instruction */ 881 #define CPUID_7_0_ECX_AVX512_VBMI (1U << 1) 882 /* User-Mode Instruction Prevention */ 883 #define CPUID_7_0_ECX_UMIP (1U << 2) 884 /* Protection Keys for User-mode Pages */ 885 #define CPUID_7_0_ECX_PKU (1U << 3) 886 /* OS Enable Protection Keys */ 887 #define CPUID_7_0_ECX_OSPKE (1U << 4) 888 /* UMONITOR/UMWAIT/TPAUSE Instructions */ 889 #define CPUID_7_0_ECX_WAITPKG (1U << 5) 890 /* Additional AVX-512 Vector Byte Manipulation Instruction */ 891 #define CPUID_7_0_ECX_AVX512_VBMI2 (1U << 6) 892 /* Galois Field New Instructions */ 893 #define CPUID_7_0_ECX_GFNI (1U << 8) 894 /* Vector AES Instructions */ 895 #define CPUID_7_0_ECX_VAES (1U << 9) 896 /* Carry-Less Multiplication Quadword */ 897 #define CPUID_7_0_ECX_VPCLMULQDQ (1U << 10) 898 /* Vector Neural Network Instructions */ 899 #define CPUID_7_0_ECX_AVX512VNNI (1U << 11) 900 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */ 901 #define CPUID_7_0_ECX_AVX512BITALG (1U << 12) 902 /* POPCNT for vectors of DW/QW */ 903 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ (1U << 14) 904 /* 5-level Page Tables */ 905 #define CPUID_7_0_ECX_LA57 (1U << 16) 906 /* Read Processor ID */ 907 #define CPUID_7_0_ECX_RDPID (1U << 22) 908 /* Bus Lock Debug Exception */ 909 #define CPUID_7_0_ECX_BUS_LOCK_DETECT (1U << 24) 910 /* Cache Line Demote Instruction */ 911 #define CPUID_7_0_ECX_CLDEMOTE (1U << 25) 912 /* Move Doubleword as Direct Store Instruction */ 913 #define CPUID_7_0_ECX_MOVDIRI (1U << 27) 914 /* Move 64 Bytes as Direct Store Instruction */ 915 #define CPUID_7_0_ECX_MOVDIR64B (1U << 28) 916 /* Support SGX Launch Control */ 917 #define CPUID_7_0_ECX_SGX_LC (1U << 30) 918 /* Protection Keys for Supervisor-mode Pages */ 919 #define CPUID_7_0_ECX_PKS (1U << 31) 920 921 /* AVX512 Neural Network Instructions */ 922 #define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) 923 /* AVX512 Multiply Accumulation Single Precision */ 924 #define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) 925 /* Fast Short Rep Mov */ 926 #define CPUID_7_0_EDX_FSRM (1U << 4) 927 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */ 928 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8) 929 /* SERIALIZE instruction */ 930 #define CPUID_7_0_EDX_SERIALIZE (1U << 14) 931 /* TSX Suspend Load Address Tracking instruction */ 932 #define CPUID_7_0_EDX_TSX_LDTRK (1U << 16) 933 /* Architectural LBRs */ 934 #define CPUID_7_0_EDX_ARCH_LBR (1U << 19) 935 /* AMX_BF16 instruction */ 936 #define CPUID_7_0_EDX_AMX_BF16 (1U << 22) 937 /* AVX512_FP16 instruction */ 938 #define CPUID_7_0_EDX_AVX512_FP16 (1U << 23) 939 /* AMX tile (two-dimensional register) */ 940 #define CPUID_7_0_EDX_AMX_TILE (1U << 24) 941 /* AMX_INT8 instruction */ 942 #define CPUID_7_0_EDX_AMX_INT8 (1U << 25) 943 /* Speculation Control */ 944 #define CPUID_7_0_EDX_SPEC_CTRL (1U << 26) 945 /* Single Thread Indirect Branch Predictors */ 946 #define CPUID_7_0_EDX_STIBP (1U << 27) 947 /* Flush L1D cache */ 948 #define CPUID_7_0_EDX_FLUSH_L1D (1U << 28) 949 /* Arch Capabilities */ 950 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29) 951 /* Core Capability */ 952 #define CPUID_7_0_EDX_CORE_CAPABILITY (1U << 30) 953 /* Speculative Store Bypass Disable */ 954 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD (1U << 31) 955 956 /* SHA512 Instruction */ 957 #define CPUID_7_1_EAX_SHA512 (1U << 0) 958 /* SM3 Instruction */ 959 #define CPUID_7_1_EAX_SM3 (1U << 1) 960 /* SM4 Instruction */ 961 #define CPUID_7_1_EAX_SM4 (1U << 2) 962 /* AVX VNNI Instruction */ 963 #define CPUID_7_1_EAX_AVX_VNNI (1U << 4) 964 /* AVX512 BFloat16 Instruction */ 965 #define CPUID_7_1_EAX_AVX512_BF16 (1U << 5) 966 /* CMPCCXADD Instructions */ 967 #define CPUID_7_1_EAX_CMPCCXADD (1U << 7) 968 /* Fast Zero REP MOVS */ 969 #define CPUID_7_1_EAX_FZRM (1U << 10) 970 /* Fast Short REP STOS */ 971 #define CPUID_7_1_EAX_FSRS (1U << 11) 972 /* Fast Short REP CMPS/SCAS */ 973 #define CPUID_7_1_EAX_FSRC (1U << 12) 974 /* Flexible return and event delivery (FRED) */ 975 #define CPUID_7_1_EAX_FRED (1U << 17) 976 /* Load into IA32_KERNEL_GS_BASE (LKGS) */ 977 #define CPUID_7_1_EAX_LKGS (1U << 18) 978 /* Non-Serializing Write to Model Specific Register (WRMSRNS) */ 979 #define CPUID_7_1_EAX_WRMSRNS (1U << 19) 980 /* Support Tile Computational Operations on FP16 Numbers */ 981 #define CPUID_7_1_EAX_AMX_FP16 (1U << 21) 982 /* Support for VPMADD52[H,L]UQ */ 983 #define CPUID_7_1_EAX_AVX_IFMA (1U << 23) 984 /* Linear Address Masking */ 985 #define CPUID_7_1_EAX_LAM (1U << 26) 986 987 /* Support for VPDPB[SU,UU,SS]D[,S] */ 988 #define CPUID_7_1_EDX_AVX_VNNI_INT8 (1U << 4) 989 /* AVX NE CONVERT Instructions */ 990 #define CPUID_7_1_EDX_AVX_NE_CONVERT (1U << 5) 991 /* AMX COMPLEX Instructions */ 992 #define CPUID_7_1_EDX_AMX_COMPLEX (1U << 8) 993 /* AVX-VNNI-INT16 Instructions */ 994 #define CPUID_7_1_EDX_AVX_VNNI_INT16 (1U << 10) 995 /* PREFETCHIT0/1 Instructions */ 996 #define CPUID_7_1_EDX_PREFETCHITI (1U << 14) 997 /* Support for Advanced Vector Extensions 10 */ 998 #define CPUID_7_1_EDX_AVX10 (1U << 19) 999 1000 /* Indicate bit 7 of the IA32_SPEC_CTRL MSR is supported */ 1001 #define CPUID_7_2_EDX_PSFD (1U << 0) 1002 /* Indicate bits 3 and 4 of the IA32_SPEC_CTRL MSR are supported */ 1003 #define CPUID_7_2_EDX_IPRED_CTRL (1U << 1) 1004 /* Indicate bits 5 and 6 of the IA32_SPEC_CTRL MSR are supported */ 1005 #define CPUID_7_2_EDX_RRSBA_CTRL (1U << 2) 1006 /* Indicate bit 8 of the IA32_SPEC_CTRL MSR is supported */ 1007 #define CPUID_7_2_EDX_DDPD_U (1U << 3) 1008 /* Indicate bit 10 of the IA32_SPEC_CTRL MSR is supported */ 1009 #define CPUID_7_2_EDX_BHI_CTRL (1U << 4) 1010 /* Do not exhibit MXCSR Configuration Dependent Timing (MCDT) behavior */ 1011 #define CPUID_7_2_EDX_MCDT_NO (1U << 5) 1012 1013 /* XFD Extend Feature Disabled */ 1014 #define CPUID_D_1_EAX_XFD (1U << 4) 1015 1016 /* Packets which contain IP payload have LIP values */ 1017 #define CPUID_14_0_ECX_LIP (1U << 31) 1018 1019 /* AVX10 128-bit vector support is present */ 1020 #define CPUID_24_0_EBX_AVX10_128 (1U << 16) 1021 /* AVX10 256-bit vector support is present */ 1022 #define CPUID_24_0_EBX_AVX10_256 (1U << 17) 1023 /* AVX10 512-bit vector support is present */ 1024 #define CPUID_24_0_EBX_AVX10_512 (1U << 18) 1025 /* AVX10 vector length support mask */ 1026 #define CPUID_24_0_EBX_AVX10_VL_MASK (CPUID_24_0_EBX_AVX10_128 | \ 1027 CPUID_24_0_EBX_AVX10_256 | \ 1028 CPUID_24_0_EBX_AVX10_512) 1029 1030 /* RAS Features */ 1031 #define CPUID_8000_0007_EBX_OVERFLOW_RECOV (1U << 0) 1032 #define CPUID_8000_0007_EBX_SUCCOR (1U << 1) 1033 1034 /* (Old) KVM paravirtualized clocksource */ 1035 #define CPUID_KVM_CLOCK (1U << KVM_FEATURE_CLOCKSOURCE) 1036 /* (New) KVM specific paravirtualized clocksource */ 1037 #define CPUID_KVM_CLOCK2 (1U << KVM_FEATURE_CLOCKSOURCE2) 1038 /* KVM asynchronous page fault */ 1039 #define CPUID_KVM_ASYNCPF (1U << KVM_FEATURE_ASYNC_PF) 1040 /* KVM stolen (when guest vCPU is not running) time accounting */ 1041 #define CPUID_KVM_STEAL_TIME (1U << KVM_FEATURE_STEAL_TIME) 1042 /* KVM paravirtualized end-of-interrupt signaling */ 1043 #define CPUID_KVM_PV_EOI (1U << KVM_FEATURE_PV_EOI) 1044 /* KVM paravirtualized spinlocks support */ 1045 #define CPUID_KVM_PV_UNHALT (1U << KVM_FEATURE_PV_UNHALT) 1046 /* KVM host-side polling on HLT control from the guest */ 1047 #define CPUID_KVM_POLL_CONTROL (1U << KVM_FEATURE_POLL_CONTROL) 1048 /* KVM interrupt based asynchronous page fault*/ 1049 #define CPUID_KVM_ASYNCPF_INT (1U << KVM_FEATURE_ASYNC_PF_INT) 1050 /* KVM 'Extended Destination ID' support for external interrupts */ 1051 #define CPUID_KVM_MSI_EXT_DEST_ID (1U << KVM_FEATURE_MSI_EXT_DEST_ID) 1052 1053 /* Hint to KVM that vCPUs expect never preempted for an unlimited time */ 1054 #define CPUID_KVM_HINTS_REALTIME (1U << KVM_HINTS_REALTIME) 1055 1056 /* CLZERO instruction */ 1057 #define CPUID_8000_0008_EBX_CLZERO (1U << 0) 1058 /* Always save/restore FP error pointers */ 1059 #define CPUID_8000_0008_EBX_XSAVEERPTR (1U << 2) 1060 /* Write back and do not invalidate cache */ 1061 #define CPUID_8000_0008_EBX_WBNOINVD (1U << 9) 1062 /* Indirect Branch Prediction Barrier */ 1063 #define CPUID_8000_0008_EBX_IBPB (1U << 12) 1064 /* Indirect Branch Restricted Speculation */ 1065 #define CPUID_8000_0008_EBX_IBRS (1U << 14) 1066 /* Single Thread Indirect Branch Predictors */ 1067 #define CPUID_8000_0008_EBX_STIBP (1U << 15) 1068 /* STIBP mode has enhanced performance and may be left always on */ 1069 #define CPUID_8000_0008_EBX_STIBP_ALWAYS_ON (1U << 17) 1070 /* Speculative Store Bypass Disable */ 1071 #define CPUID_8000_0008_EBX_AMD_SSBD (1U << 24) 1072 /* Paravirtualized Speculative Store Bypass Disable MSR */ 1073 #define CPUID_8000_0008_EBX_VIRT_SSBD (1U << 25) 1074 /* Predictive Store Forwarding Disable */ 1075 #define CPUID_8000_0008_EBX_AMD_PSFD (1U << 28) 1076 1077 /* Processor ignores nested data breakpoints */ 1078 #define CPUID_8000_0021_EAX_NO_NESTED_DATA_BP (1U << 0) 1079 /* LFENCE is always serializing */ 1080 #define CPUID_8000_0021_EAX_LFENCE_ALWAYS_SERIALIZING (1U << 2) 1081 /* Null Selector Clears Base */ 1082 #define CPUID_8000_0021_EAX_NULL_SEL_CLR_BASE (1U << 6) 1083 /* Automatic IBRS */ 1084 #define CPUID_8000_0021_EAX_AUTO_IBRS (1U << 8) 1085 /* Enhanced Return Address Predictor Scurity */ 1086 #define CPUID_8000_0021_EAX_ERAPS (1U << 24) 1087 /* Selective Branch Predictor Barrier */ 1088 #define CPUID_8000_0021_EAX_SBPB (1U << 27) 1089 /* IBPB includes branch type prediction flushing */ 1090 #define CPUID_8000_0021_EAX_IBPB_BRTYPE (1U << 28) 1091 /* Not vulnerable to Speculative Return Stack Overflow */ 1092 #define CPUID_8000_0021_EAX_SRSO_NO (1U << 29) 1093 /* Not vulnerable to SRSO at the user-kernel boundary */ 1094 #define CPUID_8000_0021_EAX_SRSO_USER_KERNEL_NO (1U << 30) 1095 1096 /* 1097 * Return Address Predictor size. RapSize x 8 is the minimum number of 1098 * CALL instructions software needs to execute to flush the RAP. 1099 */ 1100 #define CPUID_8000_0021_EBX_RAPSIZE (8U << 16) 1101 1102 /* Performance Monitoring Version 2 */ 1103 #define CPUID_8000_0022_EAX_PERFMON_V2 (1U << 0) 1104 1105 #define CPUID_XSAVE_XSAVEOPT (1U << 0) 1106 #define CPUID_XSAVE_XSAVEC (1U << 1) 1107 #define CPUID_XSAVE_XGETBV1 (1U << 2) 1108 #define CPUID_XSAVE_XSAVES (1U << 3) 1109 1110 #define CPUID_6_EAX_ARAT (1U << 2) 1111 1112 /* CPUID[0x80000007].EDX flags: */ 1113 #define CPUID_APM_INVTSC (1U << 8) 1114 1115 /* "rng" RNG present (xstore) */ 1116 #define CPUID_C000_0001_EDX_XSTORE (1U << 2) 1117 /* "rng_en" RNG enabled */ 1118 #define CPUID_C000_0001_EDX_XSTORE_EN (1U << 3) 1119 /* "ace" on-CPU crypto (xcrypt) */ 1120 #define CPUID_C000_0001_EDX_XCRYPT (1U << 6) 1121 /* "ace_en" on-CPU crypto enabled */ 1122 #define CPUID_C000_0001_EDX_XCRYPT_EN (1U << 7) 1123 /* Advanced Cryptography Engine v2 */ 1124 #define CPUID_C000_0001_EDX_ACE2 (1U << 8) 1125 /* ACE v2 enabled */ 1126 #define CPUID_C000_0001_EDX_ACE2_EN (1U << 9) 1127 /* PadLock Hash Engine */ 1128 #define CPUID_C000_0001_EDX_PHE (1U << 10) 1129 /* PHE enabled */ 1130 #define CPUID_C000_0001_EDX_PHE_EN (1U << 11) 1131 /* PadLock Montgomery Multiplier */ 1132 #define CPUID_C000_0001_EDX_PMM (1U << 12) 1133 /* PMM enabled */ 1134 #define CPUID_C000_0001_EDX_PMM_EN (1U << 13) 1135 1136 #define CPUID_VENDOR_SZ 12 1137 1138 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */ 1139 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */ 1140 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */ 1141 #define CPUID_VENDOR_INTEL "GenuineIntel" 1142 1143 #define CPUID_VENDOR_AMD_1 0x68747541 /* "Auth" */ 1144 #define CPUID_VENDOR_AMD_2 0x69746e65 /* "enti" */ 1145 #define CPUID_VENDOR_AMD_3 0x444d4163 /* "cAMD" */ 1146 #define CPUID_VENDOR_AMD "AuthenticAMD" 1147 1148 #define CPUID_VENDOR_ZHAOXIN1_1 0x746E6543 /* "Cent" */ 1149 #define CPUID_VENDOR_ZHAOXIN1_2 0x48727561 /* "aurH" */ 1150 #define CPUID_VENDOR_ZHAOXIN1_3 0x736C7561 /* "auls" */ 1151 1152 #define CPUID_VENDOR_ZHAOXIN2_1 0x68532020 /* " Sh" */ 1153 #define CPUID_VENDOR_ZHAOXIN2_2 0x68676E61 /* "angh" */ 1154 #define CPUID_VENDOR_ZHAOXIN2_3 0x20206961 /* "ai " */ 1155 1156 #define CPUID_VENDOR_ZHAOXIN1 "CentaurHauls" 1157 #define CPUID_VENDOR_ZHAOXIN2 " Shanghai " 1158 1159 #define CPUID_VENDOR_HYGON "HygonGenuine" 1160 1161 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \ 1162 (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \ 1163 (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3) 1164 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \ 1165 (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \ 1166 (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3) 1167 #define IS_ZHAOXIN1_CPU(env) \ 1168 ((env)->cpuid_vendor1 == CPUID_VENDOR_ZHAOXIN1_1 && \ 1169 (env)->cpuid_vendor2 == CPUID_VENDOR_ZHAOXIN1_2 && \ 1170 (env)->cpuid_vendor3 == CPUID_VENDOR_ZHAOXIN1_3) 1171 #define IS_ZHAOXIN2_CPU(env) \ 1172 ((env)->cpuid_vendor1 == CPUID_VENDOR_ZHAOXIN2_1 && \ 1173 (env)->cpuid_vendor2 == CPUID_VENDOR_ZHAOXIN2_2 && \ 1174 (env)->cpuid_vendor3 == CPUID_VENDOR_ZHAOXIN2_3) 1175 #define IS_ZHAOXIN_CPU(env) (IS_ZHAOXIN1_CPU(env) || IS_ZHAOXIN2_CPU(env)) 1176 1177 #define CPUID_MWAIT_IBE (1U << 1) /* Interrupts can exit capability */ 1178 #define CPUID_MWAIT_EMX (1U << 0) /* enumeration supported */ 1179 1180 /* CPUID[0xB].ECX level types */ 1181 #define CPUID_B_ECX_TOPO_LEVEL_INVALID 0 1182 #define CPUID_B_ECX_TOPO_LEVEL_SMT 1 1183 #define CPUID_B_ECX_TOPO_LEVEL_CORE 2 1184 1185 /* COUID[0x1F].ECX level types */ 1186 #define CPUID_1F_ECX_TOPO_LEVEL_INVALID CPUID_B_ECX_TOPO_LEVEL_INVALID 1187 #define CPUID_1F_ECX_TOPO_LEVEL_SMT CPUID_B_ECX_TOPO_LEVEL_SMT 1188 #define CPUID_1F_ECX_TOPO_LEVEL_CORE CPUID_B_ECX_TOPO_LEVEL_CORE 1189 #define CPUID_1F_ECX_TOPO_LEVEL_MODULE 3 1190 #define CPUID_1F_ECX_TOPO_LEVEL_DIE 5 1191 1192 /* MSR Feature Bits */ 1193 #define MSR_ARCH_CAP_RDCL_NO (1U << 0) 1194 #define MSR_ARCH_CAP_IBRS_ALL (1U << 1) 1195 #define MSR_ARCH_CAP_RSBA (1U << 2) 1196 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3) 1197 #define MSR_ARCH_CAP_SSB_NO (1U << 4) 1198 #define MSR_ARCH_CAP_MDS_NO (1U << 5) 1199 #define MSR_ARCH_CAP_PSCHANGE_MC_NO (1U << 6) 1200 #define MSR_ARCH_CAP_TSX_CTRL_MSR (1U << 7) 1201 #define MSR_ARCH_CAP_TAA_NO (1U << 8) 1202 #define MSR_ARCH_CAP_SBDR_SSDP_NO (1U << 13) 1203 #define MSR_ARCH_CAP_FBSDP_NO (1U << 14) 1204 #define MSR_ARCH_CAP_PSDP_NO (1U << 15) 1205 #define MSR_ARCH_CAP_FB_CLEAR (1U << 17) 1206 #define MSR_ARCH_CAP_BHI_NO (1U << 20) 1207 #define MSR_ARCH_CAP_PBRSB_NO (1U << 24) 1208 #define MSR_ARCH_CAP_GDS_NO (1U << 26) 1209 #define MSR_ARCH_CAP_RFDS_NO (1U << 27) 1210 1211 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT (1U << 5) 1212 1213 /* VMX MSR features */ 1214 #define MSR_VMX_BASIC_VMCS_REVISION_MASK 0x7FFFFFFFull 1215 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK (0x00001FFFull << 32) 1216 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK (0x003C0000ull << 32) 1217 #define MSR_VMX_BASIC_DUAL_MONITOR (1ULL << 49) 1218 #define MSR_VMX_BASIC_INS_OUTS (1ULL << 54) 1219 #define MSR_VMX_BASIC_TRUE_CTLS (1ULL << 55) 1220 #define MSR_VMX_BASIC_ANY_ERRCODE (1ULL << 56) 1221 #define MSR_VMX_BASIC_NESTED_EXCEPTION (1ULL << 58) 1222 1223 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK 0x1Full 1224 #define MSR_VMX_MISC_STORE_LMA (1ULL << 5) 1225 #define MSR_VMX_MISC_ACTIVITY_HLT (1ULL << 6) 1226 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN (1ULL << 7) 1227 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI (1ULL << 8) 1228 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK 0x0E000000ull 1229 #define MSR_VMX_MISC_VMWRITE_VMEXIT (1ULL << 29) 1230 #define MSR_VMX_MISC_ZERO_LEN_INJECT (1ULL << 30) 1231 1232 #define MSR_VMX_EPT_EXECONLY (1ULL << 0) 1233 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4 (1ULL << 6) 1234 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5 (1ULL << 7) 1235 #define MSR_VMX_EPT_UC (1ULL << 8) 1236 #define MSR_VMX_EPT_WB (1ULL << 14) 1237 #define MSR_VMX_EPT_2MB (1ULL << 16) 1238 #define MSR_VMX_EPT_1GB (1ULL << 17) 1239 #define MSR_VMX_EPT_INVEPT (1ULL << 20) 1240 #define MSR_VMX_EPT_AD_BITS (1ULL << 21) 1241 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO (1ULL << 22) 1242 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT (1ULL << 25) 1243 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT (1ULL << 26) 1244 #define MSR_VMX_EPT_INVVPID (1ULL << 32) 1245 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR (1ULL << 40) 1246 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT (1ULL << 41) 1247 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT (1ULL << 42) 1248 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43) 1249 1250 #define MSR_VMX_VMFUNC_EPT_SWITCHING (1ULL << 0) 1251 1252 1253 /* VMX controls */ 1254 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING 0x00000004 1255 #define VMX_CPU_BASED_USE_TSC_OFFSETING 0x00000008 1256 #define VMX_CPU_BASED_HLT_EXITING 0x00000080 1257 #define VMX_CPU_BASED_INVLPG_EXITING 0x00000200 1258 #define VMX_CPU_BASED_MWAIT_EXITING 0x00000400 1259 #define VMX_CPU_BASED_RDPMC_EXITING 0x00000800 1260 #define VMX_CPU_BASED_RDTSC_EXITING 0x00001000 1261 #define VMX_CPU_BASED_CR3_LOAD_EXITING 0x00008000 1262 #define VMX_CPU_BASED_CR3_STORE_EXITING 0x00010000 1263 #define VMX_CPU_BASED_CR8_LOAD_EXITING 0x00080000 1264 #define VMX_CPU_BASED_CR8_STORE_EXITING 0x00100000 1265 #define VMX_CPU_BASED_TPR_SHADOW 0x00200000 1266 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING 0x00400000 1267 #define VMX_CPU_BASED_MOV_DR_EXITING 0x00800000 1268 #define VMX_CPU_BASED_UNCOND_IO_EXITING 0x01000000 1269 #define VMX_CPU_BASED_USE_IO_BITMAPS 0x02000000 1270 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG 0x08000000 1271 #define VMX_CPU_BASED_USE_MSR_BITMAPS 0x10000000 1272 #define VMX_CPU_BASED_MONITOR_EXITING 0x20000000 1273 #define VMX_CPU_BASED_PAUSE_EXITING 0x40000000 1274 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS 0x80000000 1275 1276 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001 1277 #define VMX_SECONDARY_EXEC_ENABLE_EPT 0x00000002 1278 #define VMX_SECONDARY_EXEC_DESC 0x00000004 1279 #define VMX_SECONDARY_EXEC_RDTSCP 0x00000008 1280 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE 0x00000010 1281 #define VMX_SECONDARY_EXEC_ENABLE_VPID 0x00000020 1282 #define VMX_SECONDARY_EXEC_WBINVD_EXITING 0x00000040 1283 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST 0x00000080 1284 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT 0x00000100 1285 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY 0x00000200 1286 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING 0x00000400 1287 #define VMX_SECONDARY_EXEC_RDRAND_EXITING 0x00000800 1288 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID 0x00001000 1289 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC 0x00002000 1290 #define VMX_SECONDARY_EXEC_SHADOW_VMCS 0x00004000 1291 #define VMX_SECONDARY_EXEC_ENCLS_EXITING 0x00008000 1292 #define VMX_SECONDARY_EXEC_RDSEED_EXITING 0x00010000 1293 #define VMX_SECONDARY_EXEC_ENABLE_PML 0x00020000 1294 #define VMX_SECONDARY_EXEC_XSAVES 0x00100000 1295 #define VMX_SECONDARY_EXEC_TSC_SCALING 0x02000000 1296 #define VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE 0x04000000 1297 1298 #define VMX_PIN_BASED_EXT_INTR_MASK 0x00000001 1299 #define VMX_PIN_BASED_NMI_EXITING 0x00000008 1300 #define VMX_PIN_BASED_VIRTUAL_NMIS 0x00000020 1301 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER 0x00000040 1302 #define VMX_PIN_BASED_POSTED_INTR 0x00000080 1303 1304 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS 0x00000004 1305 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE 0x00000200 1306 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL 0x00001000 1307 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT 0x00008000 1308 #define VMX_VM_EXIT_SAVE_IA32_PAT 0x00040000 1309 #define VMX_VM_EXIT_LOAD_IA32_PAT 0x00080000 1310 #define VMX_VM_EXIT_SAVE_IA32_EFER 0x00100000 1311 #define VMX_VM_EXIT_LOAD_IA32_EFER 0x00200000 1312 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER 0x00400000 1313 #define VMX_VM_EXIT_CLEAR_BNDCFGS 0x00800000 1314 #define VMX_VM_EXIT_PT_CONCEAL_PIP 0x01000000 1315 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL 0x02000000 1316 #define VMX_VM_EXIT_LOAD_IA32_PKRS 0x20000000 1317 #define VMX_VM_EXIT_ACTIVATE_SECONDARY_CONTROLS 0x80000000 1318 1319 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS 0x00000004 1320 #define VMX_VM_ENTRY_IA32E_MODE 0x00000200 1321 #define VMX_VM_ENTRY_SMM 0x00000400 1322 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR 0x00000800 1323 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL 0x00002000 1324 #define VMX_VM_ENTRY_LOAD_IA32_PAT 0x00004000 1325 #define VMX_VM_ENTRY_LOAD_IA32_EFER 0x00008000 1326 #define VMX_VM_ENTRY_LOAD_BNDCFGS 0x00010000 1327 #define VMX_VM_ENTRY_PT_CONCEAL_PIP 0x00020000 1328 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL 0x00040000 1329 #define VMX_VM_ENTRY_LOAD_IA32_PKRS 0x00400000 1330 1331 /* Supported Hyper-V Enlightenments */ 1332 #define HYPERV_FEAT_RELAXED 0 1333 #define HYPERV_FEAT_VAPIC 1 1334 #define HYPERV_FEAT_TIME 2 1335 #define HYPERV_FEAT_CRASH 3 1336 #define HYPERV_FEAT_RESET 4 1337 #define HYPERV_FEAT_VPINDEX 5 1338 #define HYPERV_FEAT_RUNTIME 6 1339 #define HYPERV_FEAT_SYNIC 7 1340 #define HYPERV_FEAT_STIMER 8 1341 #define HYPERV_FEAT_FREQUENCIES 9 1342 #define HYPERV_FEAT_REENLIGHTENMENT 10 1343 #define HYPERV_FEAT_TLBFLUSH 11 1344 #define HYPERV_FEAT_EVMCS 12 1345 #define HYPERV_FEAT_IPI 13 1346 #define HYPERV_FEAT_STIMER_DIRECT 14 1347 #define HYPERV_FEAT_AVIC 15 1348 #define HYPERV_FEAT_SYNDBG 16 1349 #define HYPERV_FEAT_MSR_BITMAP 17 1350 #define HYPERV_FEAT_XMM_INPUT 18 1351 #define HYPERV_FEAT_TLBFLUSH_EXT 19 1352 #define HYPERV_FEAT_TLBFLUSH_DIRECT 20 1353 1354 #ifndef HYPERV_SPINLOCK_NEVER_NOTIFY 1355 #define HYPERV_SPINLOCK_NEVER_NOTIFY 0xFFFFFFFF 1356 #endif 1357 1358 #define EXCP00_DIVZ 0 1359 #define EXCP01_DB 1 1360 #define EXCP02_NMI 2 1361 #define EXCP03_INT3 3 1362 #define EXCP04_INTO 4 1363 #define EXCP05_BOUND 5 1364 #define EXCP06_ILLOP 6 1365 #define EXCP07_PREX 7 1366 #define EXCP08_DBLE 8 1367 #define EXCP09_XERR 9 1368 #define EXCP0A_TSS 10 1369 #define EXCP0B_NOSEG 11 1370 #define EXCP0C_STACK 12 1371 #define EXCP0D_GPF 13 1372 #define EXCP0E_PAGE 14 1373 #define EXCP10_COPR 16 1374 #define EXCP11_ALGN 17 1375 #define EXCP12_MCHK 18 1376 1377 #define EXCP_VMEXIT 0x100 /* only for system emulation */ 1378 #define EXCP_SYSCALL 0x101 /* only for user emulation */ 1379 #define EXCP_VSYSCALL 0x102 /* only for user emulation */ 1380 1381 /* i386-specific interrupt pending bits. */ 1382 #define CPU_INTERRUPT_POLL CPU_INTERRUPT_TGT_EXT_1 1383 #define CPU_INTERRUPT_SMI CPU_INTERRUPT_TGT_EXT_2 1384 #define CPU_INTERRUPT_NMI CPU_INTERRUPT_TGT_EXT_3 1385 #define CPU_INTERRUPT_MCE CPU_INTERRUPT_TGT_EXT_4 1386 #define CPU_INTERRUPT_VIRQ CPU_INTERRUPT_TGT_INT_0 1387 #define CPU_INTERRUPT_SIPI CPU_INTERRUPT_TGT_INT_1 1388 #define CPU_INTERRUPT_TPR CPU_INTERRUPT_TGT_INT_2 1389 1390 /* Use a clearer name for this. */ 1391 #define CPU_INTERRUPT_INIT CPU_INTERRUPT_RESET 1392 1393 #define CC_OP_HAS_EFLAGS(op) ((op) >= CC_OP_EFLAGS && (op) <= CC_OP_ADCOX) 1394 1395 /* Instead of computing the condition codes after each x86 instruction, 1396 * QEMU just stores one operand (called CC_SRC), the result 1397 * (called CC_DST) and the type of operation (called CC_OP). When the 1398 * condition codes are needed, the condition codes can be calculated 1399 * using this information. Condition codes are not generated if they 1400 * are only needed for conditional branches. 1401 */ 1402 typedef enum { 1403 CC_OP_EFLAGS = 0, /* all cc are explicitly computed, CC_SRC = flags */ 1404 CC_OP_ADCX = 1, /* CC_DST = C, CC_SRC = rest. */ 1405 CC_OP_ADOX = 2, /* CC_SRC2 = O, CC_SRC = rest. */ 1406 CC_OP_ADCOX = 3, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest. */ 1407 1408 /* Low 2 bits = MemOp constant for the size */ 1409 #define CC_OP_FIRST_BWLQ CC_OP_MULB 1410 CC_OP_MULB = 4, /* modify all flags, C, O = (CC_SRC != 0) */ 1411 CC_OP_MULW, 1412 CC_OP_MULL, 1413 CC_OP_MULQ, 1414 1415 CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 1416 CC_OP_ADDW, 1417 CC_OP_ADDL, 1418 CC_OP_ADDQ, 1419 1420 CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 1421 CC_OP_ADCW, 1422 CC_OP_ADCL, 1423 CC_OP_ADCQ, 1424 1425 CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 1426 CC_OP_SUBW, 1427 CC_OP_SUBL, 1428 CC_OP_SUBQ, 1429 1430 CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 1431 CC_OP_SBBW, 1432 CC_OP_SBBL, 1433 CC_OP_SBBQ, 1434 1435 CC_OP_LOGICB, /* modify all flags, CC_DST = res */ 1436 CC_OP_LOGICW, 1437 CC_OP_LOGICL, 1438 CC_OP_LOGICQ, 1439 1440 CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */ 1441 CC_OP_INCW, 1442 CC_OP_INCL, 1443 CC_OP_INCQ, 1444 1445 CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C */ 1446 CC_OP_DECW, 1447 CC_OP_DECL, 1448 CC_OP_DECQ, 1449 1450 CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */ 1451 CC_OP_SHLW, 1452 CC_OP_SHLL, 1453 CC_OP_SHLQ, 1454 1455 CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */ 1456 CC_OP_SARW, 1457 CC_OP_SARL, 1458 CC_OP_SARQ, 1459 1460 CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */ 1461 CC_OP_BMILGW, 1462 CC_OP_BMILGL, 1463 CC_OP_BMILGQ, 1464 1465 CC_OP_BLSIB, /* Z,S via CC_DST, C = SRC!=0; O=0; P,A undefined */ 1466 CC_OP_BLSIW, 1467 CC_OP_BLSIL, 1468 CC_OP_BLSIQ, 1469 1470 /* 1471 * Note that only CC_OP_POPCNT (i.e. the one with MO_TL size) 1472 * is used or implemented, because the translation needs 1473 * to zero-extend CC_DST anyway. 1474 */ 1475 CC_OP_POPCNTB__, /* Z via CC_DST, all other flags clear. */ 1476 CC_OP_POPCNTW__, 1477 CC_OP_POPCNTL__, 1478 CC_OP_POPCNTQ__, 1479 CC_OP_POPCNT = sizeof(target_ulong) == 8 ? CC_OP_POPCNTQ__ : CC_OP_POPCNTL__, 1480 #define CC_OP_LAST_BWLQ CC_OP_POPCNTQ__ 1481 1482 CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */ 1483 } CCOp; 1484 1485 /* See X86DecodedInsn.cc_op, using int8_t. */ 1486 QEMU_BUILD_BUG_ON(CC_OP_DYNAMIC > INT8_MAX); 1487 1488 static inline MemOp cc_op_size(CCOp op) 1489 { 1490 MemOp size = op & 3; 1491 1492 QEMU_BUILD_BUG_ON(CC_OP_FIRST_BWLQ & 3); 1493 assert(op >= CC_OP_FIRST_BWLQ && op <= CC_OP_LAST_BWLQ); 1494 assert(size <= MO_TL); 1495 1496 return size; 1497 } 1498 1499 typedef struct SegmentCache { 1500 uint32_t selector; 1501 target_ulong base; 1502 uint32_t limit; 1503 uint32_t flags; 1504 } SegmentCache; 1505 1506 typedef union MMXReg { 1507 uint8_t _b_MMXReg[64 / 8]; 1508 uint16_t _w_MMXReg[64 / 16]; 1509 uint32_t _l_MMXReg[64 / 32]; 1510 uint64_t _q_MMXReg[64 / 64]; 1511 float32 _s_MMXReg[64 / 32]; 1512 float64 _d_MMXReg[64 / 64]; 1513 } MMXReg; 1514 1515 typedef union XMMReg { 1516 uint64_t _q_XMMReg[128 / 64]; 1517 } XMMReg; 1518 1519 typedef union YMMReg { 1520 uint64_t _q_YMMReg[256 / 64]; 1521 XMMReg _x_YMMReg[256 / 128]; 1522 } YMMReg; 1523 1524 typedef union ZMMReg { 1525 uint8_t _b_ZMMReg[512 / 8]; 1526 uint16_t _w_ZMMReg[512 / 16]; 1527 uint32_t _l_ZMMReg[512 / 32]; 1528 uint64_t _q_ZMMReg[512 / 64]; 1529 float16 _h_ZMMReg[512 / 16]; 1530 float32 _s_ZMMReg[512 / 32]; 1531 float64 _d_ZMMReg[512 / 64]; 1532 XMMReg _x_ZMMReg[512 / 128]; 1533 YMMReg _y_ZMMReg[512 / 256]; 1534 } ZMMReg; 1535 1536 typedef struct BNDReg { 1537 uint64_t lb; 1538 uint64_t ub; 1539 } BNDReg; 1540 1541 typedef struct BNDCSReg { 1542 uint64_t cfgu; 1543 uint64_t sts; 1544 } BNDCSReg; 1545 1546 #define BNDCFG_ENABLE 1ULL 1547 #define BNDCFG_BNDPRESERVE 2ULL 1548 #define BNDCFG_BDIR_MASK TARGET_PAGE_MASK 1549 1550 #if HOST_BIG_ENDIAN 1551 #define ZMM_B(n) _b_ZMMReg[63 - (n)] 1552 #define ZMM_W(n) _w_ZMMReg[31 - (n)] 1553 #define ZMM_L(n) _l_ZMMReg[15 - (n)] 1554 #define ZMM_H(n) _h_ZMMReg[31 - (n)] 1555 #define ZMM_S(n) _s_ZMMReg[15 - (n)] 1556 #define ZMM_Q(n) _q_ZMMReg[7 - (n)] 1557 #define ZMM_D(n) _d_ZMMReg[7 - (n)] 1558 #define ZMM_X(n) _x_ZMMReg[3 - (n)] 1559 #define ZMM_Y(n) _y_ZMMReg[1 - (n)] 1560 1561 #define XMM_Q(n) _q_XMMReg[1 - (n)] 1562 1563 #define YMM_Q(n) _q_YMMReg[3 - (n)] 1564 #define YMM_X(n) _x_YMMReg[1 - (n)] 1565 1566 #define MMX_B(n) _b_MMXReg[7 - (n)] 1567 #define MMX_W(n) _w_MMXReg[3 - (n)] 1568 #define MMX_L(n) _l_MMXReg[1 - (n)] 1569 #define MMX_S(n) _s_MMXReg[1 - (n)] 1570 #else 1571 #define ZMM_B(n) _b_ZMMReg[n] 1572 #define ZMM_W(n) _w_ZMMReg[n] 1573 #define ZMM_L(n) _l_ZMMReg[n] 1574 #define ZMM_H(n) _h_ZMMReg[n] 1575 #define ZMM_S(n) _s_ZMMReg[n] 1576 #define ZMM_Q(n) _q_ZMMReg[n] 1577 #define ZMM_D(n) _d_ZMMReg[n] 1578 #define ZMM_X(n) _x_ZMMReg[n] 1579 #define ZMM_Y(n) _y_ZMMReg[n] 1580 1581 #define XMM_Q(n) _q_XMMReg[n] 1582 1583 #define YMM_Q(n) _q_YMMReg[n] 1584 #define YMM_X(n) _x_YMMReg[n] 1585 1586 #define MMX_B(n) _b_MMXReg[n] 1587 #define MMX_W(n) _w_MMXReg[n] 1588 #define MMX_L(n) _l_MMXReg[n] 1589 #define MMX_S(n) _s_MMXReg[n] 1590 #endif 1591 #define MMX_Q(n) _q_MMXReg[n] 1592 1593 typedef union { 1594 floatx80 d __attribute__((aligned(16))); 1595 MMXReg mmx; 1596 } FPReg; 1597 1598 typedef struct { 1599 uint64_t base; 1600 uint64_t mask; 1601 } MTRRVar; 1602 1603 #define CPU_NB_REGS64 16 1604 #define CPU_NB_REGS32 8 1605 1606 #ifdef TARGET_X86_64 1607 #define CPU_NB_REGS CPU_NB_REGS64 1608 #else 1609 #define CPU_NB_REGS CPU_NB_REGS32 1610 #endif 1611 1612 #define MAX_FIXED_COUNTERS 3 1613 #define MAX_GP_COUNTERS (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0) 1614 1615 #define TARGET_INSN_START_EXTRA_WORDS 1 1616 1617 #define NB_OPMASK_REGS 8 1618 1619 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish 1620 * that APIC ID hasn't been set yet 1621 */ 1622 #define UNASSIGNED_APIC_ID 0xFFFFFFFF 1623 1624 typedef struct X86LegacyXSaveArea { 1625 uint16_t fcw; 1626 uint16_t fsw; 1627 uint8_t ftw; 1628 uint8_t reserved; 1629 uint16_t fpop; 1630 union { 1631 struct { 1632 uint64_t fpip; 1633 uint64_t fpdp; 1634 }; 1635 struct { 1636 uint32_t fip; 1637 uint32_t fcs; 1638 uint32_t foo; 1639 uint32_t fos; 1640 }; 1641 }; 1642 uint32_t mxcsr; 1643 uint32_t mxcsr_mask; 1644 FPReg fpregs[8]; 1645 uint8_t xmm_regs[16][16]; 1646 uint32_t hw_reserved[12]; 1647 uint32_t sw_reserved[12]; 1648 } X86LegacyXSaveArea; 1649 1650 QEMU_BUILD_BUG_ON(sizeof(X86LegacyXSaveArea) != 512); 1651 1652 typedef struct X86XSaveHeader { 1653 uint64_t xstate_bv; 1654 uint64_t xcomp_bv; 1655 uint64_t reserve0; 1656 uint8_t reserved[40]; 1657 } X86XSaveHeader; 1658 1659 /* Ext. save area 2: AVX State */ 1660 typedef struct XSaveAVX { 1661 uint8_t ymmh[16][16]; 1662 } XSaveAVX; 1663 1664 /* Ext. save area 3: BNDREG */ 1665 typedef struct XSaveBNDREG { 1666 BNDReg bnd_regs[4]; 1667 } XSaveBNDREG; 1668 1669 /* Ext. save area 4: BNDCSR */ 1670 typedef union XSaveBNDCSR { 1671 BNDCSReg bndcsr; 1672 uint8_t data[64]; 1673 } XSaveBNDCSR; 1674 1675 /* Ext. save area 5: Opmask */ 1676 typedef struct XSaveOpmask { 1677 uint64_t opmask_regs[NB_OPMASK_REGS]; 1678 } XSaveOpmask; 1679 1680 /* Ext. save area 6: ZMM_Hi256 */ 1681 typedef struct XSaveZMM_Hi256 { 1682 uint8_t zmm_hi256[16][32]; 1683 } XSaveZMM_Hi256; 1684 1685 /* Ext. save area 7: Hi16_ZMM */ 1686 typedef struct XSaveHi16_ZMM { 1687 uint8_t hi16_zmm[16][64]; 1688 } XSaveHi16_ZMM; 1689 1690 /* Ext. save area 9: PKRU state */ 1691 typedef struct XSavePKRU { 1692 uint32_t pkru; 1693 uint32_t padding; 1694 } XSavePKRU; 1695 1696 /* Ext. save area 17: AMX XTILECFG state */ 1697 typedef struct XSaveXTILECFG { 1698 uint8_t xtilecfg[64]; 1699 } XSaveXTILECFG; 1700 1701 /* Ext. save area 18: AMX XTILEDATA state */ 1702 typedef struct XSaveXTILEDATA { 1703 uint8_t xtiledata[8][1024]; 1704 } XSaveXTILEDATA; 1705 1706 typedef struct { 1707 uint64_t from; 1708 uint64_t to; 1709 uint64_t info; 1710 } LBREntry; 1711 1712 #define ARCH_LBR_NR_ENTRIES 32 1713 1714 /* Ext. save area 19: Supervisor mode Arch LBR state */ 1715 typedef struct XSavesArchLBR { 1716 uint64_t lbr_ctl; 1717 uint64_t lbr_depth; 1718 uint64_t ler_from; 1719 uint64_t ler_to; 1720 uint64_t ler_info; 1721 LBREntry lbr_records[ARCH_LBR_NR_ENTRIES]; 1722 } XSavesArchLBR; 1723 1724 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100); 1725 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40); 1726 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40); 1727 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40); 1728 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200); 1729 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400); 1730 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8); 1731 QEMU_BUILD_BUG_ON(sizeof(XSaveXTILECFG) != 0x40); 1732 QEMU_BUILD_BUG_ON(sizeof(XSaveXTILEDATA) != 0x2000); 1733 QEMU_BUILD_BUG_ON(sizeof(XSavesArchLBR) != 0x328); 1734 1735 typedef struct ExtSaveArea { 1736 uint32_t feature, bits; 1737 uint32_t offset, size; 1738 uint32_t ecx; 1739 } ExtSaveArea; 1740 1741 #define XSAVE_STATE_AREA_COUNT (XSTATE_XTILE_DATA_BIT + 1) 1742 1743 extern ExtSaveArea x86_ext_save_areas[XSAVE_STATE_AREA_COUNT]; 1744 1745 typedef enum TPRAccess { 1746 TPR_ACCESS_READ, 1747 TPR_ACCESS_WRITE, 1748 } TPRAccess; 1749 1750 /* Cache information data structures: */ 1751 1752 enum CacheType { 1753 DATA_CACHE, 1754 INSTRUCTION_CACHE, 1755 UNIFIED_CACHE 1756 }; 1757 1758 typedef struct CPUCacheInfo { 1759 enum CacheType type; 1760 uint8_t level; 1761 /* Size in bytes */ 1762 uint32_t size; 1763 /* Line size, in bytes */ 1764 uint16_t line_size; 1765 /* 1766 * Associativity. 1767 * Note: representation of fully-associative caches is not implemented 1768 */ 1769 uint8_t associativity; 1770 /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */ 1771 uint8_t partitions; 1772 /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */ 1773 uint32_t sets; 1774 /* 1775 * Lines per tag. 1776 * AMD-specific: CPUID[0x80000005], CPUID[0x80000006]. 1777 * (Is this synonym to @partitions?) 1778 */ 1779 uint8_t lines_per_tag; 1780 1781 /* Self-initializing cache */ 1782 bool self_init; 1783 /* 1784 * WBINVD/INVD is not guaranteed to act upon lower level caches of 1785 * non-originating threads sharing this cache. 1786 * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0] 1787 */ 1788 bool no_invd_sharing; 1789 /* 1790 * Cache is inclusive of lower cache levels. 1791 * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1]. 1792 */ 1793 bool inclusive; 1794 /* 1795 * A complex function is used to index the cache, potentially using all 1796 * address bits. CPUID[4].EDX[bit 2]. 1797 */ 1798 bool complex_indexing; 1799 1800 /* 1801 * Cache Topology. The level that cache is shared in. 1802 * Used to encode CPUID[4].EAX[bits 25:14] or 1803 * CPUID[0x8000001D].EAX[bits 25:14]. 1804 */ 1805 CpuTopologyLevel share_level; 1806 } CPUCacheInfo; 1807 1808 1809 typedef struct CPUCaches { 1810 CPUCacheInfo *l1d_cache; 1811 CPUCacheInfo *l1i_cache; 1812 CPUCacheInfo *l2_cache; 1813 CPUCacheInfo *l3_cache; 1814 } CPUCaches; 1815 1816 typedef struct X86LazyFlags { 1817 target_ulong result; 1818 target_ulong auxbits; 1819 } X86LazyFlags; 1820 1821 typedef struct CPUArchState { 1822 /* standard registers */ 1823 target_ulong regs[CPU_NB_REGS]; 1824 target_ulong eip; 1825 target_ulong eflags; /* eflags register. During CPU emulation, CC 1826 flags and DF are set to zero because they are 1827 stored elsewhere */ 1828 1829 /* emulator internal eflags handling */ 1830 target_ulong cc_dst; 1831 target_ulong cc_src; 1832 target_ulong cc_src2; 1833 uint32_t cc_op; 1834 int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */ 1835 uint32_t hflags; /* TB flags, see HF_xxx constants. These flags 1836 are known at translation time. */ 1837 uint32_t hflags2; /* various other flags, see HF2_xxx constants. */ 1838 1839 /* segments */ 1840 SegmentCache segs[6]; /* selector values */ 1841 SegmentCache ldt; 1842 SegmentCache tr; 1843 SegmentCache gdt; /* only base and limit are used */ 1844 SegmentCache idt; /* only base and limit are used */ 1845 1846 target_ulong cr[5]; /* NOTE: cr1 is unused */ 1847 1848 bool pdptrs_valid; 1849 uint64_t pdptrs[4]; 1850 int32_t a20_mask; 1851 1852 BNDReg bnd_regs[4]; 1853 BNDCSReg bndcs_regs; 1854 uint64_t msr_bndcfgs; 1855 uint64_t efer; 1856 1857 /* Beginning of state preserved by INIT (dummy marker). */ 1858 struct {} start_init_save; 1859 1860 /* FPU state */ 1861 unsigned int fpstt; /* top of stack index */ 1862 uint16_t fpus; 1863 uint16_t fpuc; 1864 uint8_t fptags[8]; /* 0 = valid, 1 = empty */ 1865 FPReg fpregs[8]; 1866 /* KVM-only so far */ 1867 uint16_t fpop; 1868 uint16_t fpcs; 1869 uint16_t fpds; 1870 uint64_t fpip; 1871 uint64_t fpdp; 1872 1873 /* emulator internal variables */ 1874 float_status fp_status; 1875 floatx80 ft0; 1876 1877 float_status mmx_status; /* for 3DNow! float ops */ 1878 float_status sse_status; 1879 uint32_t mxcsr; 1880 ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32] QEMU_ALIGNED(16); 1881 ZMMReg xmm_t0 QEMU_ALIGNED(16); 1882 MMXReg mmx_t0; 1883 1884 uint64_t opmask_regs[NB_OPMASK_REGS]; 1885 #ifdef TARGET_X86_64 1886 uint8_t xtilecfg[64]; 1887 uint8_t xtiledata[8192]; 1888 #endif 1889 1890 /* sysenter registers */ 1891 uint32_t sysenter_cs; 1892 target_ulong sysenter_esp; 1893 target_ulong sysenter_eip; 1894 uint64_t star; 1895 1896 uint64_t vm_hsave; 1897 1898 #ifdef TARGET_X86_64 1899 target_ulong lstar; 1900 target_ulong cstar; 1901 target_ulong fmask; 1902 target_ulong kernelgsbase; 1903 1904 /* FRED MSRs */ 1905 uint64_t fred_rsp0; 1906 uint64_t fred_rsp1; 1907 uint64_t fred_rsp2; 1908 uint64_t fred_rsp3; 1909 uint64_t fred_stklvls; 1910 uint64_t fred_ssp1; 1911 uint64_t fred_ssp2; 1912 uint64_t fred_ssp3; 1913 uint64_t fred_config; 1914 #endif 1915 1916 uint64_t tsc_adjust; 1917 uint64_t tsc_deadline; 1918 uint64_t tsc_aux; 1919 1920 uint64_t xcr0; 1921 1922 uint64_t mcg_status; 1923 uint64_t msr_ia32_misc_enable; 1924 uint64_t msr_ia32_feature_control; 1925 uint64_t msr_ia32_sgxlepubkeyhash[4]; 1926 1927 uint64_t msr_fixed_ctr_ctrl; 1928 uint64_t msr_global_ctrl; 1929 uint64_t msr_global_status; 1930 uint64_t msr_global_ovf_ctrl; 1931 uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS]; 1932 uint64_t msr_gp_counters[MAX_GP_COUNTERS]; 1933 uint64_t msr_gp_evtsel[MAX_GP_COUNTERS]; 1934 1935 uint64_t pat; 1936 uint32_t smbase; 1937 uint64_t msr_smi_count; 1938 1939 uint32_t pkru; 1940 uint32_t pkrs; 1941 uint32_t tsx_ctrl; 1942 1943 uint64_t spec_ctrl; 1944 uint64_t amd_tsc_scale_msr; 1945 uint64_t virt_ssbd; 1946 1947 /* End of state preserved by INIT (dummy marker). */ 1948 struct {} end_init_save; 1949 1950 uint64_t system_time_msr; 1951 uint64_t wall_clock_msr; 1952 uint64_t steal_time_msr; 1953 uint64_t async_pf_en_msr; 1954 uint64_t async_pf_int_msr; 1955 uint64_t pv_eoi_en_msr; 1956 uint64_t poll_control_msr; 1957 1958 /* Partition-wide HV MSRs, will be updated only on the first vcpu */ 1959 uint64_t msr_hv_hypercall; 1960 uint64_t msr_hv_guest_os_id; 1961 uint64_t msr_hv_tsc; 1962 uint64_t msr_hv_syndbg_control; 1963 uint64_t msr_hv_syndbg_status; 1964 uint64_t msr_hv_syndbg_send_page; 1965 uint64_t msr_hv_syndbg_recv_page; 1966 uint64_t msr_hv_syndbg_pending_page; 1967 uint64_t msr_hv_syndbg_options; 1968 1969 /* Per-VCPU HV MSRs */ 1970 uint64_t msr_hv_vapic; 1971 uint64_t msr_hv_crash_params[HV_CRASH_PARAMS]; 1972 uint64_t msr_hv_runtime; 1973 uint64_t msr_hv_synic_control; 1974 uint64_t msr_hv_synic_evt_page; 1975 uint64_t msr_hv_synic_msg_page; 1976 uint64_t msr_hv_synic_sint[HV_SINT_COUNT]; 1977 uint64_t msr_hv_stimer_config[HV_STIMER_COUNT]; 1978 uint64_t msr_hv_stimer_count[HV_STIMER_COUNT]; 1979 uint64_t msr_hv_reenlightenment_control; 1980 uint64_t msr_hv_tsc_emulation_control; 1981 uint64_t msr_hv_tsc_emulation_status; 1982 1983 uint64_t msr_rtit_ctrl; 1984 uint64_t msr_rtit_status; 1985 uint64_t msr_rtit_output_base; 1986 uint64_t msr_rtit_output_mask; 1987 uint64_t msr_rtit_cr3_match; 1988 uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS]; 1989 1990 /* Per-VCPU XFD MSRs */ 1991 uint64_t msr_xfd; 1992 uint64_t msr_xfd_err; 1993 1994 /* Per-VCPU Arch LBR MSRs */ 1995 uint64_t msr_lbr_ctl; 1996 uint64_t msr_lbr_depth; 1997 LBREntry lbr_records[ARCH_LBR_NR_ENTRIES]; 1998 1999 /* AMD MSRC001_0015 Hardware Configuration */ 2000 uint64_t msr_hwcr; 2001 2002 /* exception/interrupt handling */ 2003 int error_code; 2004 int exception_is_int; 2005 target_ulong exception_next_eip; 2006 target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */ 2007 union { 2008 struct CPUBreakpoint *cpu_breakpoint[4]; 2009 struct CPUWatchpoint *cpu_watchpoint[4]; 2010 }; /* break/watchpoints for dr[0..3] */ 2011 int old_exception; /* exception in flight */ 2012 2013 uint64_t vm_vmcb; 2014 uint64_t tsc_offset; 2015 uint64_t intercept; 2016 uint16_t intercept_cr_read; 2017 uint16_t intercept_cr_write; 2018 uint16_t intercept_dr_read; 2019 uint16_t intercept_dr_write; 2020 uint32_t intercept_exceptions; 2021 uint64_t nested_cr3; 2022 uint32_t nested_pg_mode; 2023 uint8_t v_tpr; 2024 uint32_t int_ctl; 2025 2026 /* KVM states, automatically cleared on reset */ 2027 uint8_t nmi_injected; 2028 uint8_t nmi_pending; 2029 2030 uintptr_t retaddr; 2031 2032 /* RAPL MSR */ 2033 uint64_t msr_rapl_power_unit; 2034 uint64_t msr_pkg_energy_status; 2035 2036 /* Fields up to this point are cleared by a CPU reset */ 2037 struct {} end_reset_fields; 2038 2039 /* Fields after this point are preserved across CPU reset. */ 2040 2041 /* processor features (e.g. for CPUID insn) */ 2042 /* Minimum cpuid leaf 7 value */ 2043 uint32_t cpuid_level_func7; 2044 /* Actual cpuid leaf 7 value */ 2045 uint32_t cpuid_min_level_func7; 2046 /* Minimum level/xlevel/xlevel2, based on CPU model + features */ 2047 uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2; 2048 /* Maximum level/xlevel/xlevel2 value for auto-assignment: */ 2049 uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2; 2050 /* Actual level/xlevel/xlevel2 value: */ 2051 uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2; 2052 uint32_t cpuid_vendor1; 2053 uint32_t cpuid_vendor2; 2054 uint32_t cpuid_vendor3; 2055 uint32_t cpuid_version; 2056 FeatureWordArray features; 2057 /* AVX10 version */ 2058 uint8_t avx10_version; 2059 /* Features that were explicitly enabled/disabled */ 2060 FeatureWordArray user_features; 2061 uint32_t cpuid_model[12]; 2062 /* Cache information for CPUID. When legacy-cache=on, the cache data 2063 * on each CPUID leaf will be different, because we keep compatibility 2064 * with old QEMU versions. 2065 */ 2066 CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd; 2067 2068 /* MTRRs */ 2069 uint64_t mtrr_fixed[11]; 2070 uint64_t mtrr_deftype; 2071 MTRRVar mtrr_var[MSR_MTRRcap_VCNT]; 2072 2073 /* For KVM */ 2074 uint32_t mp_state; 2075 int32_t exception_nr; 2076 int32_t interrupt_injected; 2077 uint8_t soft_interrupt; 2078 uint8_t exception_pending; 2079 uint8_t exception_injected; 2080 uint8_t has_error_code; 2081 uint8_t exception_has_payload; 2082 uint64_t exception_payload; 2083 uint8_t triple_fault_pending; 2084 uint32_t ins_len; 2085 uint32_t sipi_vector; 2086 bool tsc_valid; 2087 int64_t tsc_khz; 2088 int64_t user_tsc_khz; /* for sanity check only */ 2089 uint64_t apic_bus_freq; 2090 uint64_t tsc; 2091 #if defined(CONFIG_KVM) || defined(CONFIG_HVF) 2092 void *xsave_buf; 2093 uint32_t xsave_buf_len; 2094 #endif 2095 #if defined(CONFIG_KVM) 2096 struct kvm_nested_state *nested_state; 2097 MemoryRegion *xen_vcpu_info_mr; 2098 void *xen_vcpu_info_hva; 2099 uint64_t xen_vcpu_info_gpa; 2100 uint64_t xen_vcpu_info_default_gpa; 2101 uint64_t xen_vcpu_time_info_gpa; 2102 uint64_t xen_vcpu_runstate_gpa; 2103 uint8_t xen_vcpu_callback_vector; 2104 bool xen_callback_asserted; 2105 uint16_t xen_virq[XEN_NR_VIRQS]; 2106 uint64_t xen_singleshot_timer_ns; 2107 QEMUTimer *xen_singleshot_timer; 2108 uint64_t xen_periodic_timer_period; 2109 QEMUTimer *xen_periodic_timer; 2110 QemuMutex xen_timers_lock; 2111 #endif 2112 #if defined(CONFIG_HVF) 2113 X86LazyFlags lflags; 2114 void *emu_mmio_buf; 2115 #endif 2116 2117 uint64_t mcg_cap; 2118 uint64_t mcg_ctl; 2119 uint64_t mcg_ext_ctl; 2120 uint64_t mce_banks[MCE_BANKS_DEF*4]; 2121 uint64_t xstate_bv; 2122 2123 /* vmstate */ 2124 uint16_t fpus_vmstate; 2125 uint16_t fptag_vmstate; 2126 uint16_t fpregs_format_vmstate; 2127 2128 uint64_t xss; 2129 uint32_t umwait; 2130 2131 TPRAccess tpr_access_type; 2132 2133 X86CPUTopoInfo topo_info; 2134 2135 /* Bitmap of available CPU topology levels for this CPU. */ 2136 DECLARE_BITMAP(avail_cpu_topo, CPU_TOPOLOGY_LEVEL__MAX); 2137 } CPUX86State; 2138 2139 struct kvm_msrs; 2140 2141 /** 2142 * X86CPU: 2143 * @env: #CPUX86State 2144 * @migratable: If set, only migratable flags will be accepted when "enforce" 2145 * mode is used, and only migratable flags will be included in the "host" 2146 * CPU model. 2147 * 2148 * An x86 CPU. 2149 */ 2150 struct ArchCPU { 2151 CPUState parent_obj; 2152 2153 CPUX86State env; 2154 VMChangeStateEntry *vmsentry; 2155 2156 uint64_t ucode_rev; 2157 2158 uint32_t hyperv_spinlock_attempts; 2159 char *hyperv_vendor; 2160 bool hyperv_synic_kvm_only; 2161 uint64_t hyperv_features; 2162 bool hyperv_passthrough; 2163 OnOffAuto hyperv_no_nonarch_cs; 2164 uint32_t hyperv_vendor_id[3]; 2165 uint32_t hyperv_interface_id[4]; 2166 uint32_t hyperv_limits[3]; 2167 bool hyperv_enforce_cpuid; 2168 uint32_t hyperv_ver_id_build; 2169 uint16_t hyperv_ver_id_major; 2170 uint16_t hyperv_ver_id_minor; 2171 uint32_t hyperv_ver_id_sp; 2172 uint8_t hyperv_ver_id_sb; 2173 uint32_t hyperv_ver_id_sn; 2174 2175 bool check_cpuid; 2176 bool enforce_cpuid; 2177 /* 2178 * Force features to be enabled even if the host doesn't support them. 2179 * This is dangerous and should be done only for testing CPUID 2180 * compatibility. 2181 */ 2182 bool force_features; 2183 bool expose_kvm; 2184 bool expose_tcg; 2185 bool migratable; 2186 bool migrate_smi_count; 2187 bool max_features; /* Enable all supported features automatically */ 2188 uint32_t apic_id; 2189 2190 /* Enables publishing of TSC increment and Local APIC bus frequencies to 2191 * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */ 2192 bool vmware_cpuid_freq; 2193 2194 /* if true the CPUID code directly forward host cache leaves to the guest */ 2195 bool cache_info_passthrough; 2196 2197 /* if true the CPUID code directly forwards 2198 * host monitor/mwait leaves to the guest */ 2199 struct { 2200 uint32_t eax; 2201 uint32_t ebx; 2202 uint32_t ecx; 2203 uint32_t edx; 2204 } mwait; 2205 2206 /* Features that were filtered out because of missing host capabilities */ 2207 FeatureWordArray filtered_features; 2208 2209 /* Enable PMU CPUID bits. This can't be enabled by default yet because 2210 * it doesn't have ABI stability guarantees, as it passes all PMU CPUID 2211 * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel 2212 * capabilities) directly to the guest. 2213 */ 2214 bool enable_pmu; 2215 2216 /* 2217 * Enable LBR_FMT bits of IA32_PERF_CAPABILITIES MSR. 2218 * This can't be initialized with a default because it doesn't have 2219 * stable ABI support yet. It is only allowed to pass all LBR_FMT bits 2220 * returned by kvm_arch_get_supported_msr_feature()(which depends on both 2221 * host CPU and kernel capabilities) to the guest. 2222 */ 2223 uint64_t lbr_fmt; 2224 2225 /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is 2226 * disabled by default to avoid breaking migration between QEMU with 2227 * different LMCE configurations. 2228 */ 2229 bool enable_lmce; 2230 2231 /* Compatibility bits for old machine types. 2232 * If true present virtual l3 cache for VM, the vcpus in the same virtual 2233 * socket share an virtual l3 cache. 2234 */ 2235 bool enable_l3_cache; 2236 2237 /* Compatibility bits for old machine types. 2238 * If true present L1 cache as per-thread, not per-core. 2239 */ 2240 bool l1_cache_per_core; 2241 2242 /* Compatibility bits for old machine types. 2243 * If true present the old cache topology information 2244 */ 2245 bool legacy_cache; 2246 2247 /* Compatibility bits for old machine types. 2248 * If true decode the CPUID Function 0x8000001E_ECX to support multiple 2249 * nodes per processor 2250 */ 2251 bool legacy_multi_node; 2252 2253 /* Compatibility bits for old machine types: */ 2254 bool enable_cpuid_0xb; 2255 2256 /* Enable auto level-increase for all CPUID leaves */ 2257 bool full_cpuid_auto_level; 2258 2259 /* Only advertise CPUID leaves defined by the vendor */ 2260 bool vendor_cpuid_only; 2261 2262 /* Only advertise TOPOEXT features that AMD defines */ 2263 bool amd_topoext_features_only; 2264 2265 /* Enable auto level-increase for Intel Processor Trace leave */ 2266 bool intel_pt_auto_level; 2267 2268 /* if true fill the top bits of the MTRR_PHYSMASKn variable range */ 2269 bool fill_mtrr_mask; 2270 2271 /* if true override the phys_bits value with a value read from the host */ 2272 bool host_phys_bits; 2273 2274 /* if set, limit maximum value for phys_bits when host_phys_bits is true */ 2275 uint8_t host_phys_bits_limit; 2276 2277 /* Forcefully disable KVM PV features not exposed in guest CPUIDs */ 2278 bool kvm_pv_enforce_cpuid; 2279 2280 /* Number of physical address bits supported */ 2281 uint32_t phys_bits; 2282 2283 /* 2284 * Number of guest physical address bits available. Usually this is 2285 * identical to host physical address bits. With NPT or EPT 4-level 2286 * paging, guest physical address space might be restricted to 48 bits 2287 * even if the host cpu supports more physical address bits. 2288 */ 2289 uint32_t guest_phys_bits; 2290 2291 /* in order to simplify APIC support, we leave this pointer to the 2292 user */ 2293 struct DeviceState *apic_state; 2294 struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram; 2295 Notifier machine_done; 2296 2297 struct kvm_msrs *kvm_msr_buf; 2298 2299 int32_t node_id; /* NUMA node this CPU belongs to */ 2300 int32_t socket_id; 2301 int32_t die_id; 2302 int32_t module_id; 2303 int32_t core_id; 2304 int32_t thread_id; 2305 2306 int32_t hv_max_vps; 2307 2308 bool xen_vapic; 2309 }; 2310 2311 typedef struct X86CPUModel X86CPUModel; 2312 2313 /** 2314 * X86CPUClass: 2315 * @cpu_def: CPU model definition 2316 * @host_cpuid_required: Whether CPU model requires cpuid from host. 2317 * @ordering: Ordering on the "-cpu help" CPU model list. 2318 * @migration_safe: See CpuDefinitionInfo::migration_safe 2319 * @static_model: See CpuDefinitionInfo::static 2320 * @parent_realize: The parent class' realize handler. 2321 * @parent_phases: The parent class' reset phase handlers. 2322 * 2323 * An x86 CPU model or family. 2324 */ 2325 struct X86CPUClass { 2326 CPUClass parent_class; 2327 2328 /* 2329 * CPU definition, automatically loaded by instance_init if not NULL. 2330 * Should be eventually replaced by subclass-specific property defaults. 2331 */ 2332 const X86CPUModel *model; 2333 2334 bool host_cpuid_required; 2335 int ordering; 2336 bool migration_safe; 2337 bool static_model; 2338 2339 /* 2340 * Optional description of CPU model. 2341 * If unavailable, cpu_def->model_id is used. 2342 */ 2343 const char *model_description; 2344 2345 DeviceRealize parent_realize; 2346 DeviceUnrealize parent_unrealize; 2347 ResettablePhases parent_phases; 2348 }; 2349 2350 #ifndef CONFIG_USER_ONLY 2351 extern const VMStateDescription vmstate_x86_cpu; 2352 #endif 2353 2354 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu, 2355 int cpuid, DumpState *s); 2356 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu, 2357 int cpuid, DumpState *s); 2358 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu, 2359 DumpState *s); 2360 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu, 2361 DumpState *s); 2362 2363 bool x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list, 2364 Error **errp); 2365 2366 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags); 2367 2368 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg); 2369 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg); 2370 void x86_cpu_gdb_init(CPUState *cs); 2371 2372 void x86_cpu_list(void); 2373 int cpu_x86_support_mca_broadcast(CPUX86State *env); 2374 2375 #ifndef CONFIG_USER_ONLY 2376 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request); 2377 2378 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr, 2379 MemTxAttrs *attrs); 2380 int cpu_get_pic_interrupt(CPUX86State *s); 2381 2382 /* MS-DOS compatibility mode FPU exception support */ 2383 void x86_register_ferr_irq(qemu_irq irq); 2384 void fpu_check_raise_ferr_irq(CPUX86State *s); 2385 void cpu_set_ignne(void); 2386 void cpu_clear_ignne(void); 2387 #endif 2388 2389 /* mpx_helper.c */ 2390 void cpu_sync_bndcs_hflags(CPUX86State *env); 2391 2392 /* this function must always be used to load data in the segment 2393 cache: it synchronizes the hflags with the segment cache values */ 2394 static inline void cpu_x86_load_seg_cache(CPUX86State *env, 2395 X86Seg seg_reg, unsigned int selector, 2396 target_ulong base, 2397 unsigned int limit, 2398 unsigned int flags) 2399 { 2400 SegmentCache *sc; 2401 unsigned int new_hflags; 2402 2403 sc = &env->segs[seg_reg]; 2404 sc->selector = selector; 2405 sc->base = base; 2406 sc->limit = limit; 2407 sc->flags = flags; 2408 2409 /* update the hidden flags */ 2410 { 2411 if (seg_reg == R_CS) { 2412 #ifdef TARGET_X86_64 2413 if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) { 2414 /* long mode */ 2415 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK; 2416 env->hflags &= ~(HF_ADDSEG_MASK); 2417 } else 2418 #endif 2419 { 2420 /* legacy / compatibility case */ 2421 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK) 2422 >> (DESC_B_SHIFT - HF_CS32_SHIFT); 2423 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) | 2424 new_hflags; 2425 } 2426 } 2427 if (seg_reg == R_SS) { 2428 int cpl = (flags >> DESC_DPL_SHIFT) & 3; 2429 #if HF_CPL_MASK != 3 2430 #error HF_CPL_MASK is hardcoded 2431 #endif 2432 env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl; 2433 /* Possibly switch between BNDCFGS and BNDCFGU */ 2434 cpu_sync_bndcs_hflags(env); 2435 } 2436 new_hflags = (env->segs[R_SS].flags & DESC_B_MASK) 2437 >> (DESC_B_SHIFT - HF_SS32_SHIFT); 2438 if (env->hflags & HF_CS64_MASK) { 2439 /* zero base assumed for DS, ES and SS in long mode */ 2440 } else if (!(env->cr[0] & CR0_PE_MASK) || 2441 (env->eflags & VM_MASK) || 2442 !(env->hflags & HF_CS32_MASK)) { 2443 /* XXX: try to avoid this test. The problem comes from the 2444 fact that is real mode or vm86 mode we only modify the 2445 'base' and 'selector' fields of the segment cache to go 2446 faster. A solution may be to force addseg to one in 2447 translate-i386.c. */ 2448 new_hflags |= HF_ADDSEG_MASK; 2449 } else { 2450 new_hflags |= ((env->segs[R_DS].base | 2451 env->segs[R_ES].base | 2452 env->segs[R_SS].base) != 0) << 2453 HF_ADDSEG_SHIFT; 2454 } 2455 env->hflags = (env->hflags & 2456 ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags; 2457 } 2458 } 2459 2460 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu, 2461 uint8_t sipi_vector) 2462 { 2463 CPUState *cs = CPU(cpu); 2464 CPUX86State *env = &cpu->env; 2465 2466 env->eip = 0; 2467 cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8, 2468 sipi_vector << 12, 2469 env->segs[R_CS].limit, 2470 env->segs[R_CS].flags); 2471 cs->halted = 0; 2472 } 2473 2474 uint64_t cpu_x86_get_msr_core_thread_count(X86CPU *cpu); 2475 2476 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector, 2477 target_ulong *base, unsigned int *limit, 2478 unsigned int *flags); 2479 2480 /* op_helper.c */ 2481 /* used for debug or cpu save/restore */ 2482 2483 /* cpu-exec.c */ 2484 /* 2485 * The following helpers are only usable in user mode simulation. 2486 * The host pointers should come from lock_user(). 2487 */ 2488 void cpu_x86_load_seg(CPUX86State *s, X86Seg seg_reg, int selector); 2489 void cpu_x86_fsave(CPUX86State *s, void *host, size_t len); 2490 void cpu_x86_frstor(CPUX86State *s, void *host, size_t len); 2491 void cpu_x86_fxsave(CPUX86State *s, void *host, size_t len); 2492 void cpu_x86_fxrstor(CPUX86State *s, void *host, size_t len); 2493 void cpu_x86_xsave(CPUX86State *s, void *host, size_t len, uint64_t rbfm); 2494 bool cpu_x86_xrstor(CPUX86State *s, void *host, size_t len, uint64_t rbfm); 2495 2496 /* cpu.c */ 2497 void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1, 2498 uint32_t vendor2, uint32_t vendor3); 2499 typedef struct PropValue { 2500 const char *prop, *value; 2501 } PropValue; 2502 void x86_cpu_apply_props(X86CPU *cpu, PropValue *props); 2503 2504 void x86_cpu_after_reset(X86CPU *cpu); 2505 2506 uint32_t cpu_x86_virtual_addr_width(CPUX86State *env); 2507 2508 /* cpu.c other functions (cpuid) */ 2509 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, 2510 uint32_t *eax, uint32_t *ebx, 2511 uint32_t *ecx, uint32_t *edx); 2512 void cpu_clear_apic_feature(CPUX86State *env); 2513 void cpu_set_apic_feature(CPUX86State *env); 2514 void host_cpuid(uint32_t function, uint32_t count, 2515 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx); 2516 bool cpu_has_x2apic_feature(CPUX86State *env); 2517 2518 /* helper.c */ 2519 void x86_cpu_set_a20(X86CPU *cpu, int a20_state); 2520 void cpu_sync_avx_hflag(CPUX86State *env); 2521 2522 #ifndef CONFIG_USER_ONLY 2523 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs) 2524 { 2525 return !!attrs.secure; 2526 } 2527 2528 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs) 2529 { 2530 return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs)); 2531 } 2532 2533 /* 2534 * load efer and update the corresponding hflags. XXX: do consistency 2535 * checks with cpuid bits? 2536 */ 2537 void cpu_load_efer(CPUX86State *env, uint64_t val); 2538 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr); 2539 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr); 2540 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr); 2541 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr); 2542 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val); 2543 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val); 2544 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val); 2545 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val); 2546 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val); 2547 #endif 2548 2549 /* will be suppressed */ 2550 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0); 2551 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3); 2552 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4); 2553 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7); 2554 2555 /* hw/pc.c */ 2556 uint64_t cpu_get_tsc(CPUX86State *env); 2557 2558 #define CPU_RESOLVING_TYPE TYPE_X86_CPU 2559 2560 #ifdef TARGET_X86_64 2561 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64") 2562 #else 2563 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32") 2564 #endif 2565 2566 #define cpu_list x86_cpu_list 2567 2568 /* MMU modes definitions */ 2569 #define MMU_KSMAP64_IDX 0 2570 #define MMU_KSMAP32_IDX 1 2571 #define MMU_USER64_IDX 2 2572 #define MMU_USER32_IDX 3 2573 #define MMU_KNOSMAP64_IDX 4 2574 #define MMU_KNOSMAP32_IDX 5 2575 #define MMU_PHYS_IDX 6 2576 #define MMU_NESTED_IDX 7 2577 2578 #ifdef CONFIG_USER_ONLY 2579 #ifdef TARGET_X86_64 2580 #define MMU_USER_IDX MMU_USER64_IDX 2581 #else 2582 #define MMU_USER_IDX MMU_USER32_IDX 2583 #endif 2584 #endif 2585 2586 static inline bool is_mmu_index_smap(int mmu_index) 2587 { 2588 return (mmu_index & ~1) == MMU_KSMAP64_IDX; 2589 } 2590 2591 static inline bool is_mmu_index_user(int mmu_index) 2592 { 2593 return (mmu_index & ~1) == MMU_USER64_IDX; 2594 } 2595 2596 static inline bool is_mmu_index_32(int mmu_index) 2597 { 2598 assert(mmu_index < MMU_PHYS_IDX); 2599 return mmu_index & 1; 2600 } 2601 2602 #define CC_DST (env->cc_dst) 2603 #define CC_SRC (env->cc_src) 2604 #define CC_SRC2 (env->cc_src2) 2605 #define CC_OP (env->cc_op) 2606 2607 #include "svm.h" 2608 2609 #if !defined(CONFIG_USER_ONLY) 2610 #include "hw/i386/apic.h" 2611 #endif 2612 2613 static inline void cpu_get_tb_cpu_state(CPUX86State *env, vaddr *pc, 2614 uint64_t *cs_base, uint32_t *flags) 2615 { 2616 *flags = env->hflags | 2617 (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK)); 2618 if (env->hflags & HF_CS64_MASK) { 2619 *cs_base = 0; 2620 *pc = env->eip; 2621 } else { 2622 *cs_base = env->segs[R_CS].base; 2623 *pc = (uint32_t)(*cs_base + env->eip); 2624 } 2625 } 2626 2627 void do_cpu_init(X86CPU *cpu); 2628 2629 #define MCE_INJECT_BROADCAST 1 2630 #define MCE_INJECT_UNCOND_AO 2 2631 2632 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank, 2633 uint64_t status, uint64_t mcg_status, uint64_t addr, 2634 uint64_t misc, int flags); 2635 2636 uint32_t cpu_cc_compute_all(CPUX86State *env1); 2637 2638 static inline uint32_t cpu_compute_eflags(CPUX86State *env) 2639 { 2640 uint32_t eflags = env->eflags; 2641 if (tcg_enabled()) { 2642 eflags |= cpu_cc_compute_all(env) | (env->df & DF_MASK); 2643 } 2644 return eflags; 2645 } 2646 2647 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env) 2648 { 2649 return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 }); 2650 } 2651 2652 static inline int32_t x86_get_a20_mask(CPUX86State *env) 2653 { 2654 if (env->hflags & HF_SMM_MASK) { 2655 return -1; 2656 } else { 2657 return env->a20_mask; 2658 } 2659 } 2660 2661 static inline bool cpu_has_vmx(CPUX86State *env) 2662 { 2663 return env->features[FEAT_1_ECX] & CPUID_EXT_VMX; 2664 } 2665 2666 static inline bool cpu_has_svm(CPUX86State *env) 2667 { 2668 return env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM; 2669 } 2670 2671 /* 2672 * In order for a vCPU to enter VMX operation it must have CR4.VMXE set. 2673 * Since it was set, CR4.VMXE must remain set as long as vCPU is in 2674 * VMX operation. This is because CR4.VMXE is one of the bits set 2675 * in MSR_IA32_VMX_CR4_FIXED1. 2676 * 2677 * There is one exception to above statement when vCPU enters SMM mode. 2678 * When a vCPU enters SMM mode, it temporarily exit VMX operation and 2679 * may also reset CR4.VMXE during execution in SMM mode. 2680 * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation 2681 * and CR4.VMXE is restored to it's original value of being set. 2682 * 2683 * Therefore, when vCPU is not in SMM mode, we can infer whether 2684 * VMX is being used by examining CR4.VMXE. Otherwise, we cannot 2685 * know for certain. 2686 */ 2687 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env) 2688 { 2689 return cpu_has_vmx(env) && 2690 ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK)); 2691 } 2692 2693 /* excp_helper.c */ 2694 int get_pg_mode(CPUX86State *env); 2695 2696 /* fpu_helper.c */ 2697 2698 /* Set all non-runtime-variable float_status fields to x86 handling */ 2699 void cpu_init_fp_statuses(CPUX86State *env); 2700 void update_fp_status(CPUX86State *env); 2701 void update_mxcsr_status(CPUX86State *env); 2702 void update_mxcsr_from_sse_status(CPUX86State *env); 2703 2704 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr) 2705 { 2706 env->mxcsr = mxcsr; 2707 if (tcg_enabled()) { 2708 update_mxcsr_status(env); 2709 } 2710 } 2711 2712 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc) 2713 { 2714 env->fpuc = fpuc; 2715 if (tcg_enabled()) { 2716 update_fp_status(env); 2717 } 2718 } 2719 2720 /* svm_helper.c */ 2721 #ifdef CONFIG_USER_ONLY 2722 static inline void 2723 cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type, 2724 uint64_t param, uintptr_t retaddr) 2725 { /* no-op */ } 2726 static inline bool 2727 cpu_svm_has_intercept(CPUX86State *env, uint32_t type) 2728 { return false; } 2729 #else 2730 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type, 2731 uint64_t param, uintptr_t retaddr); 2732 bool cpu_svm_has_intercept(CPUX86State *env, uint32_t type); 2733 #endif 2734 2735 /* apic.c */ 2736 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access); 2737 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip, 2738 TPRAccess access); 2739 2740 /* Special values for X86CPUVersion: */ 2741 2742 /* Resolve to latest CPU version */ 2743 #define CPU_VERSION_LATEST -1 2744 2745 /* 2746 * Resolve to version defined by current machine type. 2747 * See x86_cpu_set_default_version() 2748 */ 2749 #define CPU_VERSION_AUTO -2 2750 2751 /* Don't resolve to any versioned CPU models, like old QEMU versions */ 2752 #define CPU_VERSION_LEGACY 0 2753 2754 typedef int X86CPUVersion; 2755 2756 /* 2757 * Set default CPU model version for CPU models having 2758 * version == CPU_VERSION_AUTO. 2759 */ 2760 void x86_cpu_set_default_version(X86CPUVersion version); 2761 2762 #ifndef CONFIG_USER_ONLY 2763 2764 void do_cpu_sipi(X86CPU *cpu); 2765 2766 #define APIC_DEFAULT_ADDRESS 0xfee00000 2767 #define APIC_SPACE_SIZE 0x100000 2768 2769 /* cpu-dump.c */ 2770 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags); 2771 2772 #endif 2773 2774 /* cpu.c */ 2775 bool cpu_is_bsp(X86CPU *cpu); 2776 2777 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const void *buf, uint32_t buflen); 2778 void x86_cpu_xsave_all_areas(X86CPU *cpu, void *buf, uint32_t buflen); 2779 uint32_t xsave_area_size(uint64_t mask, bool compacted); 2780 void x86_update_hflags(CPUX86State* env); 2781 2782 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat) 2783 { 2784 return !!(cpu->hyperv_features & BIT(feat)); 2785 } 2786 2787 static inline uint64_t cr4_reserved_bits(CPUX86State *env) 2788 { 2789 uint64_t reserved_bits = CR4_RESERVED_MASK; 2790 if (!env->features[FEAT_XSAVE]) { 2791 reserved_bits |= CR4_OSXSAVE_MASK; 2792 } 2793 if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMEP)) { 2794 reserved_bits |= CR4_SMEP_MASK; 2795 } 2796 if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMAP)) { 2797 reserved_bits |= CR4_SMAP_MASK; 2798 } 2799 if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE)) { 2800 reserved_bits |= CR4_FSGSBASE_MASK; 2801 } 2802 if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKU)) { 2803 reserved_bits |= CR4_PKE_MASK; 2804 } 2805 if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_LA57)) { 2806 reserved_bits |= CR4_LA57_MASK; 2807 } 2808 if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_UMIP)) { 2809 reserved_bits |= CR4_UMIP_MASK; 2810 } 2811 if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKS)) { 2812 reserved_bits |= CR4_PKS_MASK; 2813 } 2814 if (!(env->features[FEAT_7_1_EAX] & CPUID_7_1_EAX_LAM)) { 2815 reserved_bits |= CR4_LAM_SUP_MASK; 2816 } 2817 if (!(env->features[FEAT_7_1_EAX] & CPUID_7_1_EAX_FRED)) { 2818 reserved_bits |= CR4_FRED_MASK; 2819 } 2820 return reserved_bits; 2821 } 2822 2823 static inline bool ctl_has_irq(CPUX86State *env) 2824 { 2825 uint32_t int_prio; 2826 uint32_t tpr; 2827 2828 int_prio = (env->int_ctl & V_INTR_PRIO_MASK) >> V_INTR_PRIO_SHIFT; 2829 tpr = env->int_ctl & V_TPR_MASK; 2830 2831 if (env->int_ctl & V_IGN_TPR_MASK) { 2832 return (env->int_ctl & V_IRQ_MASK); 2833 } 2834 2835 return (env->int_ctl & V_IRQ_MASK) && (int_prio >= tpr); 2836 } 2837 2838 #if defined(TARGET_X86_64) && \ 2839 defined(CONFIG_USER_ONLY) && \ 2840 defined(CONFIG_LINUX) 2841 # define TARGET_VSYSCALL_PAGE (UINT64_C(-10) << 20) 2842 #endif 2843 2844 /* majority(NOT a, b, c) = (a ^ b) ? b : c */ 2845 #define MAJ_INV1(a, b, c) ((((a) ^ (b)) & ((b) ^ (c))) ^ (c)) 2846 2847 /* 2848 * ADD_COUT_VEC(x, y) = majority((x + y) ^ x ^ y, x, y) 2849 * 2850 * If two corresponding bits in x and y are the same, that's the carry 2851 * independent of the value (x+y)^x^y. Hence x^y can be replaced with 2852 * 1 in (x+y)^x^y, resulting in majority(NOT (x+y), x, y) 2853 */ 2854 #define ADD_COUT_VEC(op1, op2, result) \ 2855 MAJ_INV1(result, op1, op2) 2856 2857 /* 2858 * SUB_COUT_VEC(x, y) = NOT majority(x, NOT y, (x - y) ^ x ^ NOT y) 2859 * = majority(NOT x, y, (x - y) ^ x ^ y) 2860 * 2861 * Note that the carry out is actually a borrow, i.e. it is inverted. 2862 * If two corresponding bits in x and y are different, the value of the 2863 * bit in (x-y)^x^y likewise does not matter. Hence, x^y can be replaced 2864 * with 0 in (x-y)^x^y, resulting in majority(NOT x, y, x-y) 2865 */ 2866 #define SUB_COUT_VEC(op1, op2, result) \ 2867 MAJ_INV1(op1, op2, result) 2868 2869 #endif /* I386_CPU_H */ 2870