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