qemu/target/i386/cpu.h
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   1/*
   2 * i386 virtual CPU header
   3 *
   4 *  Copyright (c) 2003 Fabrice Bellard
   5 *
   6 * This library is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU Lesser General Public
   8 * License as published by the Free Software Foundation; either
   9 * version 2.1 of the License, or (at your option) any later version.
  10 *
  11 * This library is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 * Lesser General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU Lesser General Public
  17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20#ifndef I386_CPU_H
  21#define I386_CPU_H
  22
  23#include "sysemu/tcg.h"
  24#include "cpu-qom.h"
  25#include "kvm/hyperv-proto.h"
  26#include "exec/cpu-defs.h"
  27#include "qapi/qapi-types-common.h"
  28
  29/* The x86 has a strong memory model with some store-after-load re-ordering */
  30#define TCG_GUEST_DEFAULT_MO      (TCG_MO_ALL & ~TCG_MO_ST_LD)
  31
  32#define KVM_HAVE_MCE_INJECTION 1
  33
  34/* support for self modifying code even if the modified instruction is
  35   close to the modifying instruction */
  36#define TARGET_HAS_PRECISE_SMC
  37
  38#ifdef TARGET_X86_64
  39#define I386_ELF_MACHINE  EM_X86_64
  40#define ELF_MACHINE_UNAME "x86_64"
  41#else
  42#define I386_ELF_MACHINE  EM_386
  43#define ELF_MACHINE_UNAME "i686"
  44#endif
  45
  46enum {
  47    R_EAX = 0,
  48    R_ECX = 1,
  49    R_EDX = 2,
  50    R_EBX = 3,
  51    R_ESP = 4,
  52    R_EBP = 5,
  53    R_ESI = 6,
  54    R_EDI = 7,
  55    R_R8 = 8,
  56    R_R9 = 9,
  57    R_R10 = 10,
  58    R_R11 = 11,
  59    R_R12 = 12,
  60    R_R13 = 13,
  61    R_R14 = 14,
  62    R_R15 = 15,
  63
  64    R_AL = 0,
  65    R_CL = 1,
  66    R_DL = 2,
  67    R_BL = 3,
  68    R_AH = 4,
  69    R_CH = 5,
  70    R_DH = 6,
  71    R_BH = 7,
  72};
  73
  74typedef enum X86Seg {
  75    R_ES = 0,
  76    R_CS = 1,
  77    R_SS = 2,
  78    R_DS = 3,
  79    R_FS = 4,
  80    R_GS = 5,
  81    R_LDTR = 6,
  82    R_TR = 7,
  83} X86Seg;
  84
  85/* segment descriptor fields */
  86#define DESC_G_SHIFT    23
  87#define DESC_G_MASK     (1 << DESC_G_SHIFT)
  88#define DESC_B_SHIFT    22
  89#define DESC_B_MASK     (1 << DESC_B_SHIFT)
  90#define DESC_L_SHIFT    21 /* x86_64 only : 64 bit code segment */
  91#define DESC_L_MASK     (1 << DESC_L_SHIFT)
  92#define DESC_AVL_SHIFT  20
  93#define DESC_AVL_MASK   (1 << DESC_AVL_SHIFT)
  94#define DESC_P_SHIFT    15
  95#define DESC_P_MASK     (1 << DESC_P_SHIFT)
  96#define DESC_DPL_SHIFT  13
  97#define DESC_DPL_MASK   (3 << DESC_DPL_SHIFT)
  98#define DESC_S_SHIFT    12
  99#define DESC_S_MASK     (1 << DESC_S_SHIFT)
 100#define DESC_TYPE_SHIFT 8
 101#define DESC_TYPE_MASK  (15 << DESC_TYPE_SHIFT)
 102#define DESC_A_MASK     (1 << 8)
 103
 104#define DESC_CS_MASK    (1 << 11) /* 1=code segment 0=data segment */
 105#define DESC_C_MASK     (1 << 10) /* code: conforming */
 106#define DESC_R_MASK     (1 << 9)  /* code: readable */
 107
 108#define DESC_E_MASK     (1 << 10) /* data: expansion direction */
 109#define DESC_W_MASK     (1 << 9)  /* data: writable */
 110
 111#define DESC_TSS_BUSY_MASK (1 << 9)
 112
 113/* eflags masks */
 114#define CC_C    0x0001
 115#define CC_P    0x0004
 116#define CC_A    0x0010
 117#define CC_Z    0x0040
 118#define CC_S    0x0080
 119#define CC_O    0x0800
 120
 121#define TF_SHIFT   8
 122#define IOPL_SHIFT 12
 123#define VM_SHIFT   17
 124
 125#define TF_MASK                 0x00000100
 126#define IF_MASK                 0x00000200
 127#define DF_MASK                 0x00000400
 128#define IOPL_MASK               0x00003000
 129#define NT_MASK                 0x00004000
 130#define RF_MASK                 0x00010000
 131#define VM_MASK                 0x00020000
 132#define AC_MASK                 0x00040000
 133#define VIF_MASK                0x00080000
 134#define VIP_MASK                0x00100000
 135#define ID_MASK                 0x00200000
 136
 137/* hidden flags - used internally by qemu to represent additional cpu
 138   states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We
 139   avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit
 140   positions to ease oring with eflags. */
 141/* current cpl */
 142#define HF_CPL_SHIFT         0
 143/* true if hardware interrupts must be disabled for next instruction */
 144#define HF_INHIBIT_IRQ_SHIFT 3
 145/* 16 or 32 segments */
 146#define HF_CS32_SHIFT        4
 147#define HF_SS32_SHIFT        5
 148/* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
 149#define HF_ADDSEG_SHIFT      6
 150/* copy of CR0.PE (protected mode) */
 151#define HF_PE_SHIFT          7
 152#define HF_TF_SHIFT          8 /* must be same as eflags */
 153#define HF_MP_SHIFT          9 /* the order must be MP, EM, TS */
 154#define HF_EM_SHIFT         10
 155#define HF_TS_SHIFT         11
 156#define HF_IOPL_SHIFT       12 /* must be same as eflags */
 157#define HF_LMA_SHIFT        14 /* only used on x86_64: long mode active */
 158#define HF_CS64_SHIFT       15 /* only used on x86_64: 64 bit code segment  */
 159#define HF_RF_SHIFT         16 /* must be same as eflags */
 160#define HF_VM_SHIFT         17 /* must be same as eflags */
 161#define HF_AC_SHIFT         18 /* must be same as eflags */
 162#define HF_SMM_SHIFT        19 /* CPU in SMM mode */
 163#define HF_SVME_SHIFT       20 /* SVME enabled (copy of EFER.SVME) */
 164#define HF_GUEST_SHIFT      21 /* SVM intercepts are active */
 165#define HF_OSFXSR_SHIFT     22 /* CR4.OSFXSR */
 166#define HF_SMAP_SHIFT       23 /* CR4.SMAP */
 167#define HF_IOBPT_SHIFT      24 /* an io breakpoint enabled */
 168#define HF_MPX_EN_SHIFT     25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */
 169#define HF_MPX_IU_SHIFT     26 /* BND registers in-use */
 170
 171#define HF_CPL_MASK          (3 << HF_CPL_SHIFT)
 172#define HF_INHIBIT_IRQ_MASK  (1 << HF_INHIBIT_IRQ_SHIFT)
 173#define HF_CS32_MASK         (1 << HF_CS32_SHIFT)
 174#define HF_SS32_MASK         (1 << HF_SS32_SHIFT)
 175#define HF_ADDSEG_MASK       (1 << HF_ADDSEG_SHIFT)
 176#define HF_PE_MASK           (1 << HF_PE_SHIFT)
 177#define HF_TF_MASK           (1 << HF_TF_SHIFT)
 178#define HF_MP_MASK           (1 << HF_MP_SHIFT)
 179#define HF_EM_MASK           (1 << HF_EM_SHIFT)
 180#define HF_TS_MASK           (1 << HF_TS_SHIFT)
 181#define HF_IOPL_MASK         (3 << HF_IOPL_SHIFT)
 182#define HF_LMA_MASK          (1 << HF_LMA_SHIFT)
 183#define HF_CS64_MASK         (1 << HF_CS64_SHIFT)
 184#define HF_RF_MASK           (1 << HF_RF_SHIFT)
 185#define HF_VM_MASK           (1 << HF_VM_SHIFT)
 186#define HF_AC_MASK           (1 << HF_AC_SHIFT)
 187#define HF_SMM_MASK          (1 << HF_SMM_SHIFT)
 188#define HF_SVME_MASK         (1 << HF_SVME_SHIFT)
 189#define HF_GUEST_MASK        (1 << HF_GUEST_SHIFT)
 190#define HF_OSFXSR_MASK       (1 << HF_OSFXSR_SHIFT)
 191#define HF_SMAP_MASK         (1 << HF_SMAP_SHIFT)
 192#define HF_IOBPT_MASK        (1 << HF_IOBPT_SHIFT)
 193#define HF_MPX_EN_MASK       (1 << HF_MPX_EN_SHIFT)
 194#define HF_MPX_IU_MASK       (1 << HF_MPX_IU_SHIFT)
 195
 196/* hflags2 */
 197
 198#define HF2_GIF_SHIFT            0 /* if set CPU takes interrupts */
 199#define HF2_HIF_SHIFT            1 /* value of IF_MASK when entering SVM */
 200#define HF2_NMI_SHIFT            2 /* CPU serving NMI */
 201#define HF2_VINTR_SHIFT          3 /* value of V_INTR_MASKING bit */
 202#define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */
 203#define HF2_MPX_PR_SHIFT         5 /* BNDCFGx.BNDPRESERVE */
 204#define HF2_NPT_SHIFT            6 /* Nested Paging enabled */
 205#define HF2_IGNNE_SHIFT          7 /* Ignore CR0.NE=0 */
 206
 207#define HF2_GIF_MASK            (1 << HF2_GIF_SHIFT)
 208#define HF2_HIF_MASK            (1 << HF2_HIF_SHIFT)
 209#define HF2_NMI_MASK            (1 << HF2_NMI_SHIFT)
 210#define HF2_VINTR_MASK          (1 << HF2_VINTR_SHIFT)
 211#define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT)
 212#define HF2_MPX_PR_MASK         (1 << HF2_MPX_PR_SHIFT)
 213#define HF2_NPT_MASK            (1 << HF2_NPT_SHIFT)
 214#define HF2_IGNNE_MASK          (1 << HF2_IGNNE_SHIFT)
 215
 216#define CR0_PE_SHIFT 0
 217#define CR0_MP_SHIFT 1
 218
 219#define CR0_PE_MASK  (1U << 0)
 220#define CR0_MP_MASK  (1U << 1)
 221#define CR0_EM_MASK  (1U << 2)
 222#define CR0_TS_MASK  (1U << 3)
 223#define CR0_ET_MASK  (1U << 4)
 224#define CR0_NE_MASK  (1U << 5)
 225#define CR0_WP_MASK  (1U << 16)
 226#define CR0_AM_MASK  (1U << 18)
 227#define CR0_PG_MASK  (1U << 31)
 228
 229#define CR4_VME_MASK  (1U << 0)
 230#define CR4_PVI_MASK  (1U << 1)
 231#define CR4_TSD_MASK  (1U << 2)
 232#define CR4_DE_MASK   (1U << 3)
 233#define CR4_PSE_MASK  (1U << 4)
 234#define CR4_PAE_MASK  (1U << 5)
 235#define CR4_MCE_MASK  (1U << 6)
 236#define CR4_PGE_MASK  (1U << 7)
 237#define CR4_PCE_MASK  (1U << 8)
 238#define CR4_OSFXSR_SHIFT 9
 239#define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
 240#define CR4_OSXMMEXCPT_MASK  (1U << 10)
 241#define CR4_LA57_MASK   (1U << 12)
 242#define CR4_VMXE_MASK   (1U << 13)
 243#define CR4_SMXE_MASK   (1U << 14)
 244#define CR4_FSGSBASE_MASK (1U << 16)
 245#define CR4_PCIDE_MASK  (1U << 17)
 246#define CR4_OSXSAVE_MASK (1U << 18)
 247#define CR4_SMEP_MASK   (1U << 20)
 248#define CR4_SMAP_MASK   (1U << 21)
 249#define CR4_PKE_MASK   (1U << 22)
 250#define CR4_PKS_MASK   (1U << 24)
 251
 252#define DR6_BD          (1 << 13)
 253#define DR6_BS          (1 << 14)
 254#define DR6_BT          (1 << 15)
 255#define DR6_FIXED_1     0xffff0ff0
 256
 257#define DR7_GD          (1 << 13)
 258#define DR7_TYPE_SHIFT  16
 259#define DR7_LEN_SHIFT   18
 260#define DR7_FIXED_1     0x00000400
 261#define DR7_GLOBAL_BP_MASK   0xaa
 262#define DR7_LOCAL_BP_MASK    0x55
 263#define DR7_MAX_BP           4
 264#define DR7_TYPE_BP_INST     0x0
 265#define DR7_TYPE_DATA_WR     0x1
 266#define DR7_TYPE_IO_RW       0x2
 267#define DR7_TYPE_DATA_RW     0x3
 268
 269#define PG_PRESENT_BIT  0
 270#define PG_RW_BIT       1
 271#define PG_USER_BIT     2
 272#define PG_PWT_BIT      3
 273#define PG_PCD_BIT      4
 274#define PG_ACCESSED_BIT 5
 275#define PG_DIRTY_BIT    6
 276#define PG_PSE_BIT      7
 277#define PG_GLOBAL_BIT   8
 278#define PG_PSE_PAT_BIT  12
 279#define PG_PKRU_BIT     59
 280#define PG_NX_BIT       63
 281
 282#define PG_PRESENT_MASK  (1 << PG_PRESENT_BIT)
 283#define PG_RW_MASK       (1 << PG_RW_BIT)
 284#define PG_USER_MASK     (1 << PG_USER_BIT)
 285#define PG_PWT_MASK      (1 << PG_PWT_BIT)
 286#define PG_PCD_MASK      (1 << PG_PCD_BIT)
 287#define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
 288#define PG_DIRTY_MASK    (1 << PG_DIRTY_BIT)
 289#define PG_PSE_MASK      (1 << PG_PSE_BIT)
 290#define PG_GLOBAL_MASK   (1 << PG_GLOBAL_BIT)
 291#define PG_PSE_PAT_MASK  (1 << PG_PSE_PAT_BIT)
 292#define PG_ADDRESS_MASK  0x000ffffffffff000LL
 293#define PG_HI_USER_MASK  0x7ff0000000000000LL
 294#define PG_PKRU_MASK     (15ULL << PG_PKRU_BIT)
 295#define PG_NX_MASK       (1ULL << PG_NX_BIT)
 296
 297#define PG_ERROR_W_BIT     1
 298
 299#define PG_ERROR_P_MASK    0x01
 300#define PG_ERROR_W_MASK    (1 << PG_ERROR_W_BIT)
 301#define PG_ERROR_U_MASK    0x04
 302#define PG_ERROR_RSVD_MASK 0x08
 303#define PG_ERROR_I_D_MASK  0x10
 304#define PG_ERROR_PK_MASK   0x20
 305
 306#define MCG_CTL_P       (1ULL<<8)   /* MCG_CAP register available */
 307#define MCG_SER_P       (1ULL<<24) /* MCA recovery/new status bits */
 308#define MCG_LMCE_P      (1ULL<<27) /* Local Machine Check Supported */
 309
 310#define MCE_CAP_DEF     (MCG_CTL_P|MCG_SER_P)
 311#define MCE_BANKS_DEF   10
 312
 313#define MCG_CAP_BANKS_MASK 0xff
 314
 315#define MCG_STATUS_RIPV (1ULL<<0)   /* restart ip valid */
 316#define MCG_STATUS_EIPV (1ULL<<1)   /* ip points to correct instruction */
 317#define MCG_STATUS_MCIP (1ULL<<2)   /* machine check in progress */
 318#define MCG_STATUS_LMCE (1ULL<<3)   /* Local MCE signaled */
 319
 320#define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */
 321
 322#define MCI_STATUS_VAL   (1ULL<<63)  /* valid error */
 323#define MCI_STATUS_OVER  (1ULL<<62)  /* previous errors lost */
 324#define MCI_STATUS_UC    (1ULL<<61)  /* uncorrected error */
 325#define MCI_STATUS_EN    (1ULL<<60)  /* error enabled */
 326#define MCI_STATUS_MISCV (1ULL<<59)  /* misc error reg. valid */
 327#define MCI_STATUS_ADDRV (1ULL<<58)  /* addr reg. valid */
 328#define MCI_STATUS_PCC   (1ULL<<57)  /* processor context corrupt */
 329#define MCI_STATUS_S     (1ULL<<56)  /* Signaled machine check */
 330#define MCI_STATUS_AR    (1ULL<<55)  /* Action required */
 331
 332/* MISC register defines */
 333#define MCM_ADDR_SEGOFF  0      /* segment offset */
 334#define MCM_ADDR_LINEAR  1      /* linear address */
 335#define MCM_ADDR_PHYS    2      /* physical address */
 336#define MCM_ADDR_MEM     3      /* memory address */
 337#define MCM_ADDR_GENERIC 7      /* generic */
 338
 339#define MSR_IA32_TSC                    0x10
 340#define MSR_IA32_APICBASE               0x1b
 341#define MSR_IA32_APICBASE_BSP           (1<<8)
 342#define MSR_IA32_APICBASE_ENABLE        (1<<11)
 343#define MSR_IA32_APICBASE_EXTD          (1 << 10)
 344#define MSR_IA32_APICBASE_BASE          (0xfffffU<<12)
 345#define MSR_IA32_FEATURE_CONTROL        0x0000003a
 346#define MSR_TSC_ADJUST                  0x0000003b
 347#define MSR_IA32_SPEC_CTRL              0x48
 348#define MSR_VIRT_SSBD                   0xc001011f
 349#define MSR_IA32_PRED_CMD               0x49
 350#define MSR_IA32_UCODE_REV              0x8b
 351#define MSR_IA32_CORE_CAPABILITY        0xcf
 352
 353#define MSR_IA32_ARCH_CAPABILITIES      0x10a
 354#define ARCH_CAP_TSX_CTRL_MSR           (1<<7)
 355
 356#define MSR_IA32_PERF_CAPABILITIES      0x345
 357
 358#define MSR_IA32_TSX_CTRL               0x122
 359#define MSR_IA32_TSCDEADLINE            0x6e0
 360#define MSR_IA32_PKRS                   0x6e1
 361
 362#define FEATURE_CONTROL_LOCKED                    (1<<0)
 363#define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
 364#define FEATURE_CONTROL_LMCE                      (1<<20)
 365
 366#define MSR_P6_PERFCTR0                 0xc1
 367
 368#define MSR_IA32_SMBASE                 0x9e
 369#define MSR_SMI_COUNT                   0x34
 370#define MSR_CORE_THREAD_COUNT           0x35
 371#define MSR_MTRRcap                     0xfe
 372#define MSR_MTRRcap_VCNT                8
 373#define MSR_MTRRcap_FIXRANGE_SUPPORT    (1 << 8)
 374#define MSR_MTRRcap_WC_SUPPORTED        (1 << 10)
 375
 376#define MSR_IA32_SYSENTER_CS            0x174
 377#define MSR_IA32_SYSENTER_ESP           0x175
 378#define MSR_IA32_SYSENTER_EIP           0x176
 379
 380#define MSR_MCG_CAP                     0x179
 381#define MSR_MCG_STATUS                  0x17a
 382#define MSR_MCG_CTL                     0x17b
 383#define MSR_MCG_EXT_CTL                 0x4d0
 384
 385#define MSR_P6_EVNTSEL0                 0x186
 386
 387#define MSR_IA32_PERF_STATUS            0x198
 388
 389#define MSR_IA32_MISC_ENABLE            0x1a0
 390/* Indicates good rep/movs microcode on some processors: */
 391#define MSR_IA32_MISC_ENABLE_DEFAULT    1
 392#define MSR_IA32_MISC_ENABLE_MWAIT      (1ULL << 18)
 393
 394#define MSR_MTRRphysBase(reg)           (0x200 + 2 * (reg))
 395#define MSR_MTRRphysMask(reg)           (0x200 + 2 * (reg) + 1)
 396
 397#define MSR_MTRRphysIndex(addr)         ((((addr) & ~1u) - 0x200) / 2)
 398
 399#define MSR_MTRRfix64K_00000            0x250
 400#define MSR_MTRRfix16K_80000            0x258
 401#define MSR_MTRRfix16K_A0000            0x259
 402#define MSR_MTRRfix4K_C0000             0x268
 403#define MSR_MTRRfix4K_C8000             0x269
 404#define MSR_MTRRfix4K_D0000             0x26a
 405#define MSR_MTRRfix4K_D8000             0x26b
 406#define MSR_MTRRfix4K_E0000             0x26c
 407#define MSR_MTRRfix4K_E8000             0x26d
 408#define MSR_MTRRfix4K_F0000             0x26e
 409#define MSR_MTRRfix4K_F8000             0x26f
 410
 411#define MSR_PAT                         0x277
 412
 413#define MSR_MTRRdefType                 0x2ff
 414
 415#define MSR_CORE_PERF_FIXED_CTR0        0x309
 416#define MSR_CORE_PERF_FIXED_CTR1        0x30a
 417#define MSR_CORE_PERF_FIXED_CTR2        0x30b
 418#define MSR_CORE_PERF_FIXED_CTR_CTRL    0x38d
 419#define MSR_CORE_PERF_GLOBAL_STATUS     0x38e
 420#define MSR_CORE_PERF_GLOBAL_CTRL       0x38f
 421#define MSR_CORE_PERF_GLOBAL_OVF_CTRL   0x390
 422
 423#define MSR_MC0_CTL                     0x400
 424#define MSR_MC0_STATUS                  0x401
 425#define MSR_MC0_ADDR                    0x402
 426#define MSR_MC0_MISC                    0x403
 427
 428#define MSR_IA32_RTIT_OUTPUT_BASE       0x560
 429#define MSR_IA32_RTIT_OUTPUT_MASK       0x561
 430#define MSR_IA32_RTIT_CTL               0x570
 431#define MSR_IA32_RTIT_STATUS            0x571
 432#define MSR_IA32_RTIT_CR3_MATCH         0x572
 433#define MSR_IA32_RTIT_ADDR0_A           0x580
 434#define MSR_IA32_RTIT_ADDR0_B           0x581
 435#define MSR_IA32_RTIT_ADDR1_A           0x582
 436#define MSR_IA32_RTIT_ADDR1_B           0x583
 437#define MSR_IA32_RTIT_ADDR2_A           0x584
 438#define MSR_IA32_RTIT_ADDR2_B           0x585
 439#define MSR_IA32_RTIT_ADDR3_A           0x586
 440#define MSR_IA32_RTIT_ADDR3_B           0x587
 441#define MAX_RTIT_ADDRS                  8
 442
 443#define MSR_EFER                        0xc0000080
 444
 445#define MSR_EFER_SCE   (1 << 0)
 446#define MSR_EFER_LME   (1 << 8)
 447#define MSR_EFER_LMA   (1 << 10)
 448#define MSR_EFER_NXE   (1 << 11)
 449#define MSR_EFER_SVME  (1 << 12)
 450#define MSR_EFER_FFXSR (1 << 14)
 451
 452#define MSR_STAR                        0xc0000081
 453#define MSR_LSTAR                       0xc0000082
 454#define MSR_CSTAR                       0xc0000083
 455#define MSR_FMASK                       0xc0000084
 456#define MSR_FSBASE                      0xc0000100
 457#define MSR_GSBASE                      0xc0000101
 458#define MSR_KERNELGSBASE                0xc0000102
 459#define MSR_TSC_AUX                     0xc0000103
 460
 461#define MSR_VM_HSAVE_PA                 0xc0010117
 462
 463#define MSR_IA32_BNDCFGS                0x00000d90
 464#define MSR_IA32_XSS                    0x00000da0
 465#define MSR_IA32_UMWAIT_CONTROL         0xe1
 466
 467#define MSR_IA32_VMX_BASIC              0x00000480
 468#define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
 469#define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
 470#define MSR_IA32_VMX_EXIT_CTLS          0x00000483
 471#define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
 472#define MSR_IA32_VMX_MISC               0x00000485
 473#define MSR_IA32_VMX_CR0_FIXED0         0x00000486
 474#define MSR_IA32_VMX_CR0_FIXED1         0x00000487
 475#define MSR_IA32_VMX_CR4_FIXED0         0x00000488
 476#define MSR_IA32_VMX_CR4_FIXED1         0x00000489
 477#define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
 478#define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
 479#define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
 480#define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
 481#define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
 482#define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
 483#define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
 484#define MSR_IA32_VMX_VMFUNC             0x00000491
 485
 486#define XSTATE_FP_BIT                   0
 487#define XSTATE_SSE_BIT                  1
 488#define XSTATE_YMM_BIT                  2
 489#define XSTATE_BNDREGS_BIT              3
 490#define XSTATE_BNDCSR_BIT               4
 491#define XSTATE_OPMASK_BIT               5
 492#define XSTATE_ZMM_Hi256_BIT            6
 493#define XSTATE_Hi16_ZMM_BIT             7
 494#define XSTATE_PKRU_BIT                 9
 495
 496#define XSTATE_FP_MASK                  (1ULL << XSTATE_FP_BIT)
 497#define XSTATE_SSE_MASK                 (1ULL << XSTATE_SSE_BIT)
 498#define XSTATE_YMM_MASK                 (1ULL << XSTATE_YMM_BIT)
 499#define XSTATE_BNDREGS_MASK             (1ULL << XSTATE_BNDREGS_BIT)
 500#define XSTATE_BNDCSR_MASK              (1ULL << XSTATE_BNDCSR_BIT)
 501#define XSTATE_OPMASK_MASK              (1ULL << XSTATE_OPMASK_BIT)
 502#define XSTATE_ZMM_Hi256_MASK           (1ULL << XSTATE_ZMM_Hi256_BIT)
 503#define XSTATE_Hi16_ZMM_MASK            (1ULL << XSTATE_Hi16_ZMM_BIT)
 504#define XSTATE_PKRU_MASK                (1ULL << XSTATE_PKRU_BIT)
 505
 506/* CPUID feature words */
 507typedef enum FeatureWord {
 508    FEAT_1_EDX,         /* CPUID[1].EDX */
 509    FEAT_1_ECX,         /* CPUID[1].ECX */
 510    FEAT_7_0_EBX,       /* CPUID[EAX=7,ECX=0].EBX */
 511    FEAT_7_0_ECX,       /* CPUID[EAX=7,ECX=0].ECX */
 512    FEAT_7_0_EDX,       /* CPUID[EAX=7,ECX=0].EDX */
 513    FEAT_7_1_EAX,       /* CPUID[EAX=7,ECX=1].EAX */
 514    FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
 515    FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
 516    FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
 517    FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
 518    FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
 519    FEAT_KVM,           /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
 520    FEAT_KVM_HINTS,     /* CPUID[4000_0001].EDX */
 521    FEAT_HYPERV_EAX,    /* CPUID[4000_0003].EAX */
 522    FEAT_HYPERV_EBX,    /* CPUID[4000_0003].EBX */
 523    FEAT_HYPERV_EDX,    /* CPUID[4000_0003].EDX */
 524    FEAT_HV_RECOMM_EAX, /* CPUID[4000_0004].EAX */
 525    FEAT_HV_NESTED_EAX, /* CPUID[4000_000A].EAX */
 526    FEAT_SVM,           /* CPUID[8000_000A].EDX */
 527    FEAT_XSAVE,         /* CPUID[EAX=0xd,ECX=1].EAX */
 528    FEAT_6_EAX,         /* CPUID[6].EAX */
 529    FEAT_XSAVE_COMP_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
 530    FEAT_XSAVE_COMP_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
 531    FEAT_ARCH_CAPABILITIES,
 532    FEAT_CORE_CAPABILITY,
 533    FEAT_PERF_CAPABILITIES,
 534    FEAT_VMX_PROCBASED_CTLS,
 535    FEAT_VMX_SECONDARY_CTLS,
 536    FEAT_VMX_PINBASED_CTLS,
 537    FEAT_VMX_EXIT_CTLS,
 538    FEAT_VMX_ENTRY_CTLS,
 539    FEAT_VMX_MISC,
 540    FEAT_VMX_EPT_VPID_CAPS,
 541    FEAT_VMX_BASIC,
 542    FEAT_VMX_VMFUNC,
 543    FEAT_14_0_ECX,
 544    FEATURE_WORDS,
 545} FeatureWord;
 546
 547typedef uint64_t FeatureWordArray[FEATURE_WORDS];
 548
 549/* cpuid_features bits */
 550#define CPUID_FP87 (1U << 0)
 551#define CPUID_VME  (1U << 1)
 552#define CPUID_DE   (1U << 2)
 553#define CPUID_PSE  (1U << 3)
 554#define CPUID_TSC  (1U << 4)
 555#define CPUID_MSR  (1U << 5)
 556#define CPUID_PAE  (1U << 6)
 557#define CPUID_MCE  (1U << 7)
 558#define CPUID_CX8  (1U << 8)
 559#define CPUID_APIC (1U << 9)
 560#define CPUID_SEP  (1U << 11) /* sysenter/sysexit */
 561#define CPUID_MTRR (1U << 12)
 562#define CPUID_PGE  (1U << 13)
 563#define CPUID_MCA  (1U << 14)
 564#define CPUID_CMOV (1U << 15)
 565#define CPUID_PAT  (1U << 16)
 566#define CPUID_PSE36   (1U << 17)
 567#define CPUID_PN   (1U << 18)
 568#define CPUID_CLFLUSH (1U << 19)
 569#define CPUID_DTS (1U << 21)
 570#define CPUID_ACPI (1U << 22)
 571#define CPUID_MMX  (1U << 23)
 572#define CPUID_FXSR (1U << 24)
 573#define CPUID_SSE  (1U << 25)
 574#define CPUID_SSE2 (1U << 26)
 575#define CPUID_SS (1U << 27)
 576#define CPUID_HT (1U << 28)
 577#define CPUID_TM (1U << 29)
 578#define CPUID_IA64 (1U << 30)
 579#define CPUID_PBE (1U << 31)
 580
 581#define CPUID_EXT_SSE3     (1U << 0)
 582#define CPUID_EXT_PCLMULQDQ (1U << 1)
 583#define CPUID_EXT_DTES64   (1U << 2)
 584#define CPUID_EXT_MONITOR  (1U << 3)
 585#define CPUID_EXT_DSCPL    (1U << 4)
 586#define CPUID_EXT_VMX      (1U << 5)
 587#define CPUID_EXT_SMX      (1U << 6)
 588#define CPUID_EXT_EST      (1U << 7)
 589#define CPUID_EXT_TM2      (1U << 8)
 590#define CPUID_EXT_SSSE3    (1U << 9)
 591#define CPUID_EXT_CID      (1U << 10)
 592#define CPUID_EXT_FMA      (1U << 12)
 593#define CPUID_EXT_CX16     (1U << 13)
 594#define CPUID_EXT_XTPR     (1U << 14)
 595#define CPUID_EXT_PDCM     (1U << 15)
 596#define CPUID_EXT_PCID     (1U << 17)
 597#define CPUID_EXT_DCA      (1U << 18)
 598#define CPUID_EXT_SSE41    (1U << 19)
 599#define CPUID_EXT_SSE42    (1U << 20)
 600#define CPUID_EXT_X2APIC   (1U << 21)
 601#define CPUID_EXT_MOVBE    (1U << 22)
 602#define CPUID_EXT_POPCNT   (1U << 23)
 603#define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
 604#define CPUID_EXT_AES      (1U << 25)
 605#define CPUID_EXT_XSAVE    (1U << 26)
 606#define CPUID_EXT_OSXSAVE  (1U << 27)
 607#define CPUID_EXT_AVX      (1U << 28)
 608#define CPUID_EXT_F16C     (1U << 29)
 609#define CPUID_EXT_RDRAND   (1U << 30)
 610#define CPUID_EXT_HYPERVISOR  (1U << 31)
 611
 612#define CPUID_EXT2_FPU     (1U << 0)
 613#define CPUID_EXT2_VME     (1U << 1)
 614#define CPUID_EXT2_DE      (1U << 2)
 615#define CPUID_EXT2_PSE     (1U << 3)
 616#define CPUID_EXT2_TSC     (1U << 4)
 617#define CPUID_EXT2_MSR     (1U << 5)
 618#define CPUID_EXT2_PAE     (1U << 6)
 619#define CPUID_EXT2_MCE     (1U << 7)
 620#define CPUID_EXT2_CX8     (1U << 8)
 621#define CPUID_EXT2_APIC    (1U << 9)
 622#define CPUID_EXT2_SYSCALL (1U << 11)
 623#define CPUID_EXT2_MTRR    (1U << 12)
 624#define CPUID_EXT2_PGE     (1U << 13)
 625#define CPUID_EXT2_MCA     (1U << 14)
 626#define CPUID_EXT2_CMOV    (1U << 15)
 627#define CPUID_EXT2_PAT     (1U << 16)
 628#define CPUID_EXT2_PSE36   (1U << 17)
 629#define CPUID_EXT2_MP      (1U << 19)
 630#define CPUID_EXT2_NX      (1U << 20)
 631#define CPUID_EXT2_MMXEXT  (1U << 22)
 632#define CPUID_EXT2_MMX     (1U << 23)
 633#define CPUID_EXT2_FXSR    (1U << 24)
 634#define CPUID_EXT2_FFXSR   (1U << 25)
 635#define CPUID_EXT2_PDPE1GB (1U << 26)
 636#define CPUID_EXT2_RDTSCP  (1U << 27)
 637#define CPUID_EXT2_LM      (1U << 29)
 638#define CPUID_EXT2_3DNOWEXT (1U << 30)
 639#define CPUID_EXT2_3DNOW   (1U << 31)
 640
 641/* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */
 642#define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
 643                                CPUID_EXT2_DE | CPUID_EXT2_PSE | \
 644                                CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
 645                                CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
 646                                CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
 647                                CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
 648                                CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
 649                                CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
 650                                CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
 651
 652#define CPUID_EXT3_LAHF_LM (1U << 0)
 653#define CPUID_EXT3_CMP_LEG (1U << 1)
 654#define CPUID_EXT3_SVM     (1U << 2)
 655#define CPUID_EXT3_EXTAPIC (1U << 3)
 656#define CPUID_EXT3_CR8LEG  (1U << 4)
 657#define CPUID_EXT3_ABM     (1U << 5)
 658#define CPUID_EXT3_SSE4A   (1U << 6)
 659#define CPUID_EXT3_MISALIGNSSE (1U << 7)
 660#define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
 661#define CPUID_EXT3_OSVW    (1U << 9)
 662#define CPUID_EXT3_IBS     (1U << 10)
 663#define CPUID_EXT3_XOP     (1U << 11)
 664#define CPUID_EXT3_SKINIT  (1U << 12)
 665#define CPUID_EXT3_WDT     (1U << 13)
 666#define CPUID_EXT3_LWP     (1U << 15)
 667#define CPUID_EXT3_FMA4    (1U << 16)
 668#define CPUID_EXT3_TCE     (1U << 17)
 669#define CPUID_EXT3_NODEID  (1U << 19)
 670#define CPUID_EXT3_TBM     (1U << 21)
 671#define CPUID_EXT3_TOPOEXT (1U << 22)
 672#define CPUID_EXT3_PERFCORE (1U << 23)
 673#define CPUID_EXT3_PERFNB  (1U << 24)
 674
 675#define CPUID_SVM_NPT             (1U << 0)
 676#define CPUID_SVM_LBRV            (1U << 1)
 677#define CPUID_SVM_SVMLOCK         (1U << 2)
 678#define CPUID_SVM_NRIPSAVE        (1U << 3)
 679#define CPUID_SVM_TSCSCALE        (1U << 4)
 680#define CPUID_SVM_VMCBCLEAN       (1U << 5)
 681#define CPUID_SVM_FLUSHASID       (1U << 6)
 682#define CPUID_SVM_DECODEASSIST    (1U << 7)
 683#define CPUID_SVM_PAUSEFILTER     (1U << 10)
 684#define CPUID_SVM_PFTHRESHOLD     (1U << 12)
 685#define CPUID_SVM_AVIC            (1U << 13)
 686#define CPUID_SVM_V_VMSAVE_VMLOAD (1U << 15)
 687#define CPUID_SVM_VGIF            (1U << 16)
 688#define CPUID_SVM_SVME_ADDR_CHK   (1U << 28)
 689
 690/* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
 691#define CPUID_7_0_EBX_FSGSBASE          (1U << 0)
 692/* 1st Group of Advanced Bit Manipulation Extensions */
 693#define CPUID_7_0_EBX_BMI1              (1U << 3)
 694/* Hardware Lock Elision */
 695#define CPUID_7_0_EBX_HLE               (1U << 4)
 696/* Intel Advanced Vector Extensions 2 */
 697#define CPUID_7_0_EBX_AVX2              (1U << 5)
 698/* Supervisor-mode Execution Prevention */
 699#define CPUID_7_0_EBX_SMEP              (1U << 7)
 700/* 2nd Group of Advanced Bit Manipulation Extensions */
 701#define CPUID_7_0_EBX_BMI2              (1U << 8)
 702/* Enhanced REP MOVSB/STOSB */
 703#define CPUID_7_0_EBX_ERMS              (1U << 9)
 704/* Invalidate Process-Context Identifier */
 705#define CPUID_7_0_EBX_INVPCID           (1U << 10)
 706/* Restricted Transactional Memory */
 707#define CPUID_7_0_EBX_RTM               (1U << 11)
 708/* Memory Protection Extension */
 709#define CPUID_7_0_EBX_MPX               (1U << 14)
 710/* AVX-512 Foundation */
 711#define CPUID_7_0_EBX_AVX512F           (1U << 16)
 712/* AVX-512 Doubleword & Quadword Instruction */
 713#define CPUID_7_0_EBX_AVX512DQ          (1U << 17)
 714/* Read Random SEED */
 715#define CPUID_7_0_EBX_RDSEED            (1U << 18)
 716/* ADCX and ADOX instructions */
 717#define CPUID_7_0_EBX_ADX               (1U << 19)
 718/* Supervisor Mode Access Prevention */
 719#define CPUID_7_0_EBX_SMAP              (1U << 20)
 720/* AVX-512 Integer Fused Multiply Add */
 721#define CPUID_7_0_EBX_AVX512IFMA        (1U << 21)
 722/* Persistent Commit */
 723#define CPUID_7_0_EBX_PCOMMIT           (1U << 22)
 724/* Flush a Cache Line Optimized */
 725#define CPUID_7_0_EBX_CLFLUSHOPT        (1U << 23)
 726/* Cache Line Write Back */
 727#define CPUID_7_0_EBX_CLWB              (1U << 24)
 728/* Intel Processor Trace */
 729#define CPUID_7_0_EBX_INTEL_PT          (1U << 25)
 730/* AVX-512 Prefetch */
 731#define CPUID_7_0_EBX_AVX512PF          (1U << 26)
 732/* AVX-512 Exponential and Reciprocal */
 733#define CPUID_7_0_EBX_AVX512ER          (1U << 27)
 734/* AVX-512 Conflict Detection */
 735#define CPUID_7_0_EBX_AVX512CD          (1U << 28)
 736/* SHA1/SHA256 Instruction Extensions */
 737#define CPUID_7_0_EBX_SHA_NI            (1U << 29)
 738/* AVX-512 Byte and Word Instructions */
 739#define CPUID_7_0_EBX_AVX512BW          (1U << 30)
 740/* AVX-512 Vector Length Extensions */
 741#define CPUID_7_0_EBX_AVX512VL          (1U << 31)
 742
 743/* AVX-512 Vector Byte Manipulation Instruction */
 744#define CPUID_7_0_ECX_AVX512_VBMI       (1U << 1)
 745/* User-Mode Instruction Prevention */
 746#define CPUID_7_0_ECX_UMIP              (1U << 2)
 747/* Protection Keys for User-mode Pages */
 748#define CPUID_7_0_ECX_PKU               (1U << 3)
 749/* OS Enable Protection Keys */
 750#define CPUID_7_0_ECX_OSPKE             (1U << 4)
 751/* UMONITOR/UMWAIT/TPAUSE Instructions */
 752#define CPUID_7_0_ECX_WAITPKG           (1U << 5)
 753/* Additional AVX-512 Vector Byte Manipulation Instruction */
 754#define CPUID_7_0_ECX_AVX512_VBMI2      (1U << 6)
 755/* Galois Field New Instructions */
 756#define CPUID_7_0_ECX_GFNI              (1U << 8)
 757/* Vector AES Instructions */
 758#define CPUID_7_0_ECX_VAES              (1U << 9)
 759/* Carry-Less Multiplication Quadword */
 760#define CPUID_7_0_ECX_VPCLMULQDQ        (1U << 10)
 761/* Vector Neural Network Instructions */
 762#define CPUID_7_0_ECX_AVX512VNNI        (1U << 11)
 763/* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
 764#define CPUID_7_0_ECX_AVX512BITALG      (1U << 12)
 765/* POPCNT for vectors of DW/QW */
 766#define CPUID_7_0_ECX_AVX512_VPOPCNTDQ  (1U << 14)
 767/* 5-level Page Tables */
 768#define CPUID_7_0_ECX_LA57              (1U << 16)
 769/* Read Processor ID */
 770#define CPUID_7_0_ECX_RDPID             (1U << 22)
 771/* Bus Lock Debug Exception */
 772#define CPUID_7_0_ECX_BUS_LOCK_DETECT   (1U << 24)
 773/* Cache Line Demote Instruction */
 774#define CPUID_7_0_ECX_CLDEMOTE          (1U << 25)
 775/* Move Doubleword as Direct Store Instruction */
 776#define CPUID_7_0_ECX_MOVDIRI           (1U << 27)
 777/* Move 64 Bytes as Direct Store Instruction */
 778#define CPUID_7_0_ECX_MOVDIR64B         (1U << 28)
 779/* Protection Keys for Supervisor-mode Pages */
 780#define CPUID_7_0_ECX_PKS               (1U << 31)
 781
 782/* AVX512 Neural Network Instructions */
 783#define CPUID_7_0_EDX_AVX512_4VNNIW     (1U << 2)
 784/* AVX512 Multiply Accumulation Single Precision */
 785#define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
 786/* Fast Short Rep Mov */
 787#define CPUID_7_0_EDX_FSRM              (1U << 4)
 788/* AVX512 Vector Pair Intersection to a Pair of Mask Registers */
 789#define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8)
 790/* SERIALIZE instruction */
 791#define CPUID_7_0_EDX_SERIALIZE         (1U << 14)
 792/* TSX Suspend Load Address Tracking instruction */
 793#define CPUID_7_0_EDX_TSX_LDTRK         (1U << 16)
 794/* AVX512_FP16 instruction */
 795#define CPUID_7_0_EDX_AVX512_FP16       (1U << 23)
 796/* Speculation Control */
 797#define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
 798/* Single Thread Indirect Branch Predictors */
 799#define CPUID_7_0_EDX_STIBP             (1U << 27)
 800/* Arch Capabilities */
 801#define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
 802/* Core Capability */
 803#define CPUID_7_0_EDX_CORE_CAPABILITY   (1U << 30)
 804/* Speculative Store Bypass Disable */
 805#define CPUID_7_0_EDX_SPEC_CTRL_SSBD    (1U << 31)
 806
 807/* AVX512 BFloat16 Instruction */
 808#define CPUID_7_1_EAX_AVX512_BF16       (1U << 5)
 809
 810/* Packets which contain IP payload have LIP values */
 811#define CPUID_14_0_ECX_LIP              (1U << 31)
 812
 813/* CLZERO instruction */
 814#define CPUID_8000_0008_EBX_CLZERO      (1U << 0)
 815/* Always save/restore FP error pointers */
 816#define CPUID_8000_0008_EBX_XSAVEERPTR  (1U << 2)
 817/* Write back and do not invalidate cache */
 818#define CPUID_8000_0008_EBX_WBNOINVD    (1U << 9)
 819/* Indirect Branch Prediction Barrier */
 820#define CPUID_8000_0008_EBX_IBPB        (1U << 12)
 821/* Indirect Branch Restricted Speculation */
 822#define CPUID_8000_0008_EBX_IBRS        (1U << 14)
 823/* Single Thread Indirect Branch Predictors */
 824#define CPUID_8000_0008_EBX_STIBP       (1U << 15)
 825/* Speculative Store Bypass Disable */
 826#define CPUID_8000_0008_EBX_AMD_SSBD    (1U << 24)
 827
 828#define CPUID_XSAVE_XSAVEOPT   (1U << 0)
 829#define CPUID_XSAVE_XSAVEC     (1U << 1)
 830#define CPUID_XSAVE_XGETBV1    (1U << 2)
 831#define CPUID_XSAVE_XSAVES     (1U << 3)
 832
 833#define CPUID_6_EAX_ARAT       (1U << 2)
 834
 835/* CPUID[0x80000007].EDX flags: */
 836#define CPUID_APM_INVTSC       (1U << 8)
 837
 838#define CPUID_VENDOR_SZ      12
 839
 840#define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
 841#define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
 842#define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
 843#define CPUID_VENDOR_INTEL "GenuineIntel"
 844
 845#define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
 846#define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */
 847#define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
 848#define CPUID_VENDOR_AMD   "AuthenticAMD"
 849
 850#define CPUID_VENDOR_VIA   "CentaurHauls"
 851
 852#define CPUID_VENDOR_HYGON    "HygonGenuine"
 853
 854#define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
 855                           (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
 856                           (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
 857#define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
 858                         (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
 859                         (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
 860
 861#define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
 862#define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */
 863
 864/* CPUID[0xB].ECX level types */
 865#define CPUID_TOPOLOGY_LEVEL_INVALID  (0U << 8)
 866#define CPUID_TOPOLOGY_LEVEL_SMT      (1U << 8)
 867#define CPUID_TOPOLOGY_LEVEL_CORE     (2U << 8)
 868#define CPUID_TOPOLOGY_LEVEL_DIE      (5U << 8)
 869
 870/* MSR Feature Bits */
 871#define MSR_ARCH_CAP_RDCL_NO            (1U << 0)
 872#define MSR_ARCH_CAP_IBRS_ALL           (1U << 1)
 873#define MSR_ARCH_CAP_RSBA               (1U << 2)
 874#define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
 875#define MSR_ARCH_CAP_SSB_NO             (1U << 4)
 876#define MSR_ARCH_CAP_MDS_NO             (1U << 5)
 877#define MSR_ARCH_CAP_PSCHANGE_MC_NO     (1U << 6)
 878#define MSR_ARCH_CAP_TSX_CTRL_MSR       (1U << 7)
 879#define MSR_ARCH_CAP_TAA_NO             (1U << 8)
 880
 881#define MSR_CORE_CAP_SPLIT_LOCK_DETECT  (1U << 5)
 882
 883/* VMX MSR features */
 884#define MSR_VMX_BASIC_VMCS_REVISION_MASK             0x7FFFFFFFull
 885#define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK         (0x00001FFFull << 32)
 886#define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK             (0x003C0000ull << 32)
 887#define MSR_VMX_BASIC_DUAL_MONITOR                   (1ULL << 49)
 888#define MSR_VMX_BASIC_INS_OUTS                       (1ULL << 54)
 889#define MSR_VMX_BASIC_TRUE_CTLS                      (1ULL << 55)
 890
 891#define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK     0x1Full
 892#define MSR_VMX_MISC_STORE_LMA                       (1ULL << 5)
 893#define MSR_VMX_MISC_ACTIVITY_HLT                    (1ULL << 6)
 894#define MSR_VMX_MISC_ACTIVITY_SHUTDOWN               (1ULL << 7)
 895#define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI              (1ULL << 8)
 896#define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK          0x0E000000ull
 897#define MSR_VMX_MISC_VMWRITE_VMEXIT                  (1ULL << 29)
 898#define MSR_VMX_MISC_ZERO_LEN_INJECT                 (1ULL << 30)
 899
 900#define MSR_VMX_EPT_EXECONLY                         (1ULL << 0)
 901#define MSR_VMX_EPT_PAGE_WALK_LENGTH_4               (1ULL << 6)
 902#define MSR_VMX_EPT_PAGE_WALK_LENGTH_5               (1ULL << 7)
 903#define MSR_VMX_EPT_UC                               (1ULL << 8)
 904#define MSR_VMX_EPT_WB                               (1ULL << 14)
 905#define MSR_VMX_EPT_2MB                              (1ULL << 16)
 906#define MSR_VMX_EPT_1GB                              (1ULL << 17)
 907#define MSR_VMX_EPT_INVEPT                           (1ULL << 20)
 908#define MSR_VMX_EPT_AD_BITS                          (1ULL << 21)
 909#define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO             (1ULL << 22)
 910#define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT            (1ULL << 25)
 911#define MSR_VMX_EPT_INVEPT_ALL_CONTEXT               (1ULL << 26)
 912#define MSR_VMX_EPT_INVVPID                          (1ULL << 32)
 913#define MSR_VMX_EPT_INVVPID_SINGLE_ADDR              (1ULL << 40)
 914#define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT           (1ULL << 41)
 915#define MSR_VMX_EPT_INVVPID_ALL_CONTEXT              (1ULL << 42)
 916#define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
 917
 918#define MSR_VMX_VMFUNC_EPT_SWITCHING                 (1ULL << 0)
 919
 920
 921/* VMX controls */
 922#define VMX_CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
 923#define VMX_CPU_BASED_USE_TSC_OFFSETING             0x00000008
 924#define VMX_CPU_BASED_HLT_EXITING                   0x00000080
 925#define VMX_CPU_BASED_INVLPG_EXITING                0x00000200
 926#define VMX_CPU_BASED_MWAIT_EXITING                 0x00000400
 927#define VMX_CPU_BASED_RDPMC_EXITING                 0x00000800
 928#define VMX_CPU_BASED_RDTSC_EXITING                 0x00001000
 929#define VMX_CPU_BASED_CR3_LOAD_EXITING              0x00008000
 930#define VMX_CPU_BASED_CR3_STORE_EXITING             0x00010000
 931#define VMX_CPU_BASED_CR8_LOAD_EXITING              0x00080000
 932#define VMX_CPU_BASED_CR8_STORE_EXITING             0x00100000
 933#define VMX_CPU_BASED_TPR_SHADOW                    0x00200000
 934#define VMX_CPU_BASED_VIRTUAL_NMI_PENDING           0x00400000
 935#define VMX_CPU_BASED_MOV_DR_EXITING                0x00800000
 936#define VMX_CPU_BASED_UNCOND_IO_EXITING             0x01000000
 937#define VMX_CPU_BASED_USE_IO_BITMAPS                0x02000000
 938#define VMX_CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
 939#define VMX_CPU_BASED_USE_MSR_BITMAPS               0x10000000
 940#define VMX_CPU_BASED_MONITOR_EXITING               0x20000000
 941#define VMX_CPU_BASED_PAUSE_EXITING                 0x40000000
 942#define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
 943
 944#define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
 945#define VMX_SECONDARY_EXEC_ENABLE_EPT               0x00000002
 946#define VMX_SECONDARY_EXEC_DESC                     0x00000004
 947#define VMX_SECONDARY_EXEC_RDTSCP                   0x00000008
 948#define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   0x00000010
 949#define VMX_SECONDARY_EXEC_ENABLE_VPID              0x00000020
 950#define VMX_SECONDARY_EXEC_WBINVD_EXITING           0x00000040
 951#define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST       0x00000080
 952#define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
 953#define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
 954#define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING       0x00000400
 955#define VMX_SECONDARY_EXEC_RDRAND_EXITING           0x00000800
 956#define VMX_SECONDARY_EXEC_ENABLE_INVPCID           0x00001000
 957#define VMX_SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
 958#define VMX_SECONDARY_EXEC_SHADOW_VMCS              0x00004000
 959#define VMX_SECONDARY_EXEC_ENCLS_EXITING            0x00008000
 960#define VMX_SECONDARY_EXEC_RDSEED_EXITING           0x00010000
 961#define VMX_SECONDARY_EXEC_ENABLE_PML               0x00020000
 962#define VMX_SECONDARY_EXEC_XSAVES                   0x00100000
 963
 964#define VMX_PIN_BASED_EXT_INTR_MASK                 0x00000001
 965#define VMX_PIN_BASED_NMI_EXITING                   0x00000008
 966#define VMX_PIN_BASED_VIRTUAL_NMIS                  0x00000020
 967#define VMX_PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
 968#define VMX_PIN_BASED_POSTED_INTR                   0x00000080
 969
 970#define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
 971#define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
 972#define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
 973#define VMX_VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
 974#define VMX_VM_EXIT_SAVE_IA32_PAT                   0x00040000
 975#define VMX_VM_EXIT_LOAD_IA32_PAT                   0x00080000
 976#define VMX_VM_EXIT_SAVE_IA32_EFER                  0x00100000
 977#define VMX_VM_EXIT_LOAD_IA32_EFER                  0x00200000
 978#define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
 979#define VMX_VM_EXIT_CLEAR_BNDCFGS                   0x00800000
 980#define VMX_VM_EXIT_PT_CONCEAL_PIP                  0x01000000
 981#define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL             0x02000000
 982#define VMX_VM_EXIT_LOAD_IA32_PKRS                  0x20000000
 983
 984#define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
 985#define VMX_VM_ENTRY_IA32E_MODE                     0x00000200
 986#define VMX_VM_ENTRY_SMM                            0x00000400
 987#define VMX_VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
 988#define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
 989#define VMX_VM_ENTRY_LOAD_IA32_PAT                  0x00004000
 990#define VMX_VM_ENTRY_LOAD_IA32_EFER                 0x00008000
 991#define VMX_VM_ENTRY_LOAD_BNDCFGS                   0x00010000
 992#define VMX_VM_ENTRY_PT_CONCEAL_PIP                 0x00020000
 993#define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL             0x00040000
 994#define VMX_VM_ENTRY_LOAD_IA32_PKRS                 0x00400000
 995
 996/* Supported Hyper-V Enlightenments */
 997#define HYPERV_FEAT_RELAXED             0
 998#define HYPERV_FEAT_VAPIC               1
 999#define HYPERV_FEAT_TIME                2
1000#define HYPERV_FEAT_CRASH               3
1001#define HYPERV_FEAT_RESET               4
1002#define HYPERV_FEAT_VPINDEX             5
1003#define HYPERV_FEAT_RUNTIME             6
1004#define HYPERV_FEAT_SYNIC               7
1005#define HYPERV_FEAT_STIMER              8
1006#define HYPERV_FEAT_FREQUENCIES         9
1007#define HYPERV_FEAT_REENLIGHTENMENT     10
1008#define HYPERV_FEAT_TLBFLUSH            11
1009#define HYPERV_FEAT_EVMCS               12
1010#define HYPERV_FEAT_IPI                 13
1011#define HYPERV_FEAT_STIMER_DIRECT       14
1012
1013#ifndef HYPERV_SPINLOCK_NEVER_NOTIFY
1014#define HYPERV_SPINLOCK_NEVER_NOTIFY             0xFFFFFFFF
1015#endif
1016
1017#define EXCP00_DIVZ     0
1018#define EXCP01_DB       1
1019#define EXCP02_NMI      2
1020#define EXCP03_INT3     3
1021#define EXCP04_INTO     4
1022#define EXCP05_BOUND    5
1023#define EXCP06_ILLOP    6
1024#define EXCP07_PREX     7
1025#define EXCP08_DBLE     8
1026#define EXCP09_XERR     9
1027#define EXCP0A_TSS      10
1028#define EXCP0B_NOSEG    11
1029#define EXCP0C_STACK    12
1030#define EXCP0D_GPF      13
1031#define EXCP0E_PAGE     14
1032#define EXCP10_COPR     16
1033#define EXCP11_ALGN     17
1034#define EXCP12_MCHK     18
1035
1036#define EXCP_VMEXIT     0x100 /* only for system emulation */
1037#define EXCP_SYSCALL    0x101 /* only for user emulation */
1038#define EXCP_VSYSCALL   0x102 /* only for user emulation */
1039
1040/* i386-specific interrupt pending bits.  */
1041#define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1
1042#define CPU_INTERRUPT_SMI       CPU_INTERRUPT_TGT_EXT_2
1043#define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
1044#define CPU_INTERRUPT_MCE       CPU_INTERRUPT_TGT_EXT_4
1045#define CPU_INTERRUPT_VIRQ      CPU_INTERRUPT_TGT_INT_0
1046#define CPU_INTERRUPT_SIPI      CPU_INTERRUPT_TGT_INT_1
1047#define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_2
1048
1049/* Use a clearer name for this.  */
1050#define CPU_INTERRUPT_INIT      CPU_INTERRUPT_RESET
1051
1052/* Instead of computing the condition codes after each x86 instruction,
1053 * QEMU just stores one operand (called CC_SRC), the result
1054 * (called CC_DST) and the type of operation (called CC_OP). When the
1055 * condition codes are needed, the condition codes can be calculated
1056 * using this information. Condition codes are not generated if they
1057 * are only needed for conditional branches.
1058 */
1059typedef enum {
1060    CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
1061    CC_OP_EFLAGS,  /* all cc are explicitly computed, CC_SRC = flags */
1062
1063    CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
1064    CC_OP_MULW,
1065    CC_OP_MULL,
1066    CC_OP_MULQ,
1067
1068    CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1069    CC_OP_ADDW,
1070    CC_OP_ADDL,
1071    CC_OP_ADDQ,
1072
1073    CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1074    CC_OP_ADCW,
1075    CC_OP_ADCL,
1076    CC_OP_ADCQ,
1077
1078    CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1079    CC_OP_SUBW,
1080    CC_OP_SUBL,
1081    CC_OP_SUBQ,
1082
1083    CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1084    CC_OP_SBBW,
1085    CC_OP_SBBL,
1086    CC_OP_SBBQ,
1087
1088    CC_OP_LOGICB, /* modify all flags, CC_DST = res */
1089    CC_OP_LOGICW,
1090    CC_OP_LOGICL,
1091    CC_OP_LOGICQ,
1092
1093    CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1094    CC_OP_INCW,
1095    CC_OP_INCL,
1096    CC_OP_INCQ,
1097
1098    CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
1099    CC_OP_DECW,
1100    CC_OP_DECL,
1101    CC_OP_DECQ,
1102
1103    CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
1104    CC_OP_SHLW,
1105    CC_OP_SHLL,
1106    CC_OP_SHLQ,
1107
1108    CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
1109    CC_OP_SARW,
1110    CC_OP_SARL,
1111    CC_OP_SARQ,
1112
1113    CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
1114    CC_OP_BMILGW,
1115    CC_OP_BMILGL,
1116    CC_OP_BMILGQ,
1117
1118    CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest.  */
1119    CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest.  */
1120    CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest.  */
1121
1122    CC_OP_CLR, /* Z set, all other flags clear.  */
1123    CC_OP_POPCNT, /* Z via CC_SRC, all other flags clear.  */
1124
1125    CC_OP_NB,
1126} CCOp;
1127
1128typedef struct SegmentCache {
1129    uint32_t selector;
1130    target_ulong base;
1131    uint32_t limit;
1132    uint32_t flags;
1133} SegmentCache;
1134
1135#define MMREG_UNION(n, bits)        \
1136    union n {                       \
1137        uint8_t  _b_##n[(bits)/8];  \
1138        uint16_t _w_##n[(bits)/16]; \
1139        uint32_t _l_##n[(bits)/32]; \
1140        uint64_t _q_##n[(bits)/64]; \
1141        float32  _s_##n[(bits)/32]; \
1142        float64  _d_##n[(bits)/64]; \
1143    }
1144
1145typedef union {
1146    uint8_t _b[16];
1147    uint16_t _w[8];
1148    uint32_t _l[4];
1149    uint64_t _q[2];
1150} XMMReg;
1151
1152typedef union {
1153    uint8_t _b[32];
1154    uint16_t _w[16];
1155    uint32_t _l[8];
1156    uint64_t _q[4];
1157} YMMReg;
1158
1159typedef MMREG_UNION(ZMMReg, 512) ZMMReg;
1160typedef MMREG_UNION(MMXReg, 64)  MMXReg;
1161
1162typedef struct BNDReg {
1163    uint64_t lb;
1164    uint64_t ub;
1165} BNDReg;
1166
1167typedef struct BNDCSReg {
1168    uint64_t cfgu;
1169    uint64_t sts;
1170} BNDCSReg;
1171
1172#define BNDCFG_ENABLE       1ULL
1173#define BNDCFG_BNDPRESERVE  2ULL
1174#define BNDCFG_BDIR_MASK    TARGET_PAGE_MASK
1175
1176#ifdef HOST_WORDS_BIGENDIAN
1177#define ZMM_B(n) _b_ZMMReg[63 - (n)]
1178#define ZMM_W(n) _w_ZMMReg[31 - (n)]
1179#define ZMM_L(n) _l_ZMMReg[15 - (n)]
1180#define ZMM_S(n) _s_ZMMReg[15 - (n)]
1181#define ZMM_Q(n) _q_ZMMReg[7 - (n)]
1182#define ZMM_D(n) _d_ZMMReg[7 - (n)]
1183
1184#define MMX_B(n) _b_MMXReg[7 - (n)]
1185#define MMX_W(n) _w_MMXReg[3 - (n)]
1186#define MMX_L(n) _l_MMXReg[1 - (n)]
1187#define MMX_S(n) _s_MMXReg[1 - (n)]
1188#else
1189#define ZMM_B(n) _b_ZMMReg[n]
1190#define ZMM_W(n) _w_ZMMReg[n]
1191#define ZMM_L(n) _l_ZMMReg[n]
1192#define ZMM_S(n) _s_ZMMReg[n]
1193#define ZMM_Q(n) _q_ZMMReg[n]
1194#define ZMM_D(n) _d_ZMMReg[n]
1195
1196#define MMX_B(n) _b_MMXReg[n]
1197#define MMX_W(n) _w_MMXReg[n]
1198#define MMX_L(n) _l_MMXReg[n]
1199#define MMX_S(n) _s_MMXReg[n]
1200#endif
1201#define MMX_Q(n) _q_MMXReg[n]
1202
1203typedef union {
1204    floatx80 d __attribute__((aligned(16)));
1205    MMXReg mmx;
1206} FPReg;
1207
1208typedef struct {
1209    uint64_t base;
1210    uint64_t mask;
1211} MTRRVar;
1212
1213#define CPU_NB_REGS64 16
1214#define CPU_NB_REGS32 8
1215
1216#ifdef TARGET_X86_64
1217#define CPU_NB_REGS CPU_NB_REGS64
1218#else
1219#define CPU_NB_REGS CPU_NB_REGS32
1220#endif
1221
1222#define MAX_FIXED_COUNTERS 3
1223#define MAX_GP_COUNTERS    (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
1224
1225#define TARGET_INSN_START_EXTRA_WORDS 1
1226
1227#define NB_OPMASK_REGS 8
1228
1229/* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
1230 * that APIC ID hasn't been set yet
1231 */
1232#define UNASSIGNED_APIC_ID 0xFFFFFFFF
1233
1234typedef union X86LegacyXSaveArea {
1235    struct {
1236        uint16_t fcw;
1237        uint16_t fsw;
1238        uint8_t ftw;
1239        uint8_t reserved;
1240        uint16_t fpop;
1241        uint64_t fpip;
1242        uint64_t fpdp;
1243        uint32_t mxcsr;
1244        uint32_t mxcsr_mask;
1245        FPReg fpregs[8];
1246        uint8_t xmm_regs[16][16];
1247    };
1248    uint8_t data[512];
1249} X86LegacyXSaveArea;
1250
1251typedef struct X86XSaveHeader {
1252    uint64_t xstate_bv;
1253    uint64_t xcomp_bv;
1254    uint64_t reserve0;
1255    uint8_t reserved[40];
1256} X86XSaveHeader;
1257
1258/* Ext. save area 2: AVX State */
1259typedef struct XSaveAVX {
1260    uint8_t ymmh[16][16];
1261} XSaveAVX;
1262
1263/* Ext. save area 3: BNDREG */
1264typedef struct XSaveBNDREG {
1265    BNDReg bnd_regs[4];
1266} XSaveBNDREG;
1267
1268/* Ext. save area 4: BNDCSR */
1269typedef union XSaveBNDCSR {
1270    BNDCSReg bndcsr;
1271    uint8_t data[64];
1272} XSaveBNDCSR;
1273
1274/* Ext. save area 5: Opmask */
1275typedef struct XSaveOpmask {
1276    uint64_t opmask_regs[NB_OPMASK_REGS];
1277} XSaveOpmask;
1278
1279/* Ext. save area 6: ZMM_Hi256 */
1280typedef struct XSaveZMM_Hi256 {
1281    uint8_t zmm_hi256[16][32];
1282} XSaveZMM_Hi256;
1283
1284/* Ext. save area 7: Hi16_ZMM */
1285typedef struct XSaveHi16_ZMM {
1286    uint8_t hi16_zmm[16][64];
1287} XSaveHi16_ZMM;
1288
1289/* Ext. save area 9: PKRU state */
1290typedef struct XSavePKRU {
1291    uint32_t pkru;
1292    uint32_t padding;
1293} XSavePKRU;
1294
1295typedef struct X86XSaveArea {
1296    X86LegacyXSaveArea legacy;
1297    X86XSaveHeader header;
1298
1299    /* Extended save areas: */
1300
1301    /* AVX State: */
1302    XSaveAVX avx_state;
1303    uint8_t padding[960 - 576 - sizeof(XSaveAVX)];
1304    /* MPX State: */
1305    XSaveBNDREG bndreg_state;
1306    XSaveBNDCSR bndcsr_state;
1307    /* AVX-512 State: */
1308    XSaveOpmask opmask_state;
1309    XSaveZMM_Hi256 zmm_hi256_state;
1310    XSaveHi16_ZMM hi16_zmm_state;
1311    /* PKRU State: */
1312    XSavePKRU pkru_state;
1313} X86XSaveArea;
1314
1315QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, avx_state) != 0x240);
1316QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
1317QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndreg_state) != 0x3c0);
1318QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
1319QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndcsr_state) != 0x400);
1320QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
1321QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, opmask_state) != 0x440);
1322QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
1323QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, zmm_hi256_state) != 0x480);
1324QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
1325QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, hi16_zmm_state) != 0x680);
1326QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
1327QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, pkru_state) != 0xA80);
1328QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
1329
1330typedef enum TPRAccess {
1331    TPR_ACCESS_READ,
1332    TPR_ACCESS_WRITE,
1333} TPRAccess;
1334
1335/* Cache information data structures: */
1336
1337enum CacheType {
1338    DATA_CACHE,
1339    INSTRUCTION_CACHE,
1340    UNIFIED_CACHE
1341};
1342
1343typedef struct CPUCacheInfo {
1344    enum CacheType type;
1345    uint8_t level;
1346    /* Size in bytes */
1347    uint32_t size;
1348    /* Line size, in bytes */
1349    uint16_t line_size;
1350    /*
1351     * Associativity.
1352     * Note: representation of fully-associative caches is not implemented
1353     */
1354    uint8_t associativity;
1355    /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
1356    uint8_t partitions;
1357    /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
1358    uint32_t sets;
1359    /*
1360     * Lines per tag.
1361     * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
1362     * (Is this synonym to @partitions?)
1363     */
1364    uint8_t lines_per_tag;
1365
1366    /* Self-initializing cache */
1367    bool self_init;
1368    /*
1369     * WBINVD/INVD is not guaranteed to act upon lower level caches of
1370     * non-originating threads sharing this cache.
1371     * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
1372     */
1373    bool no_invd_sharing;
1374    /*
1375     * Cache is inclusive of lower cache levels.
1376     * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
1377     */
1378    bool inclusive;
1379    /*
1380     * A complex function is used to index the cache, potentially using all
1381     * address bits.  CPUID[4].EDX[bit 2].
1382     */
1383    bool complex_indexing;
1384} CPUCacheInfo;
1385
1386
1387typedef struct CPUCaches {
1388        CPUCacheInfo *l1d_cache;
1389        CPUCacheInfo *l1i_cache;
1390        CPUCacheInfo *l2_cache;
1391        CPUCacheInfo *l3_cache;
1392} CPUCaches;
1393
1394typedef struct HVFX86LazyFlags {
1395    target_ulong result;
1396    target_ulong auxbits;
1397} HVFX86LazyFlags;
1398
1399typedef struct CPUX86State {
1400    /* standard registers */
1401    target_ulong regs[CPU_NB_REGS];
1402    target_ulong eip;
1403    target_ulong eflags; /* eflags register. During CPU emulation, CC
1404                        flags and DF are set to zero because they are
1405                        stored elsewhere */
1406
1407    /* emulator internal eflags handling */
1408    target_ulong cc_dst;
1409    target_ulong cc_src;
1410    target_ulong cc_src2;
1411    uint32_t cc_op;
1412    int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
1413    uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
1414                        are known at translation time. */
1415    uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
1416
1417    /* segments */
1418    SegmentCache segs[6]; /* selector values */
1419    SegmentCache ldt;
1420    SegmentCache tr;
1421    SegmentCache gdt; /* only base and limit are used */
1422    SegmentCache idt; /* only base and limit are used */
1423
1424    target_ulong cr[5]; /* NOTE: cr1 is unused */
1425    int32_t a20_mask;
1426
1427    BNDReg bnd_regs[4];
1428    BNDCSReg bndcs_regs;
1429    uint64_t msr_bndcfgs;
1430    uint64_t efer;
1431
1432    /* Beginning of state preserved by INIT (dummy marker).  */
1433    struct {} start_init_save;
1434
1435    /* FPU state */
1436    unsigned int fpstt; /* top of stack index */
1437    uint16_t fpus;
1438    uint16_t fpuc;
1439    uint8_t fptags[8];   /* 0 = valid, 1 = empty */
1440    FPReg fpregs[8];
1441    /* KVM-only so far */
1442    uint16_t fpop;
1443    uint64_t fpip;
1444    uint64_t fpdp;
1445
1446    /* emulator internal variables */
1447    float_status fp_status;
1448    floatx80 ft0;
1449
1450    float_status mmx_status; /* for 3DNow! float ops */
1451    float_status sse_status;
1452    uint32_t mxcsr;
1453    ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32];
1454    ZMMReg xmm_t0;
1455    MMXReg mmx_t0;
1456
1457    XMMReg ymmh_regs[CPU_NB_REGS];
1458
1459    uint64_t opmask_regs[NB_OPMASK_REGS];
1460    YMMReg zmmh_regs[CPU_NB_REGS];
1461    ZMMReg hi16_zmm_regs[CPU_NB_REGS];
1462
1463    /* sysenter registers */
1464    uint32_t sysenter_cs;
1465    target_ulong sysenter_esp;
1466    target_ulong sysenter_eip;
1467    uint64_t star;
1468
1469    uint64_t vm_hsave;
1470
1471#ifdef TARGET_X86_64
1472    target_ulong lstar;
1473    target_ulong cstar;
1474    target_ulong fmask;
1475    target_ulong kernelgsbase;
1476#endif
1477
1478    uint64_t tsc;
1479    uint64_t tsc_adjust;
1480    uint64_t tsc_deadline;
1481    uint64_t tsc_aux;
1482
1483    uint64_t xcr0;
1484
1485    uint64_t mcg_status;
1486    uint64_t msr_ia32_misc_enable;
1487    uint64_t msr_ia32_feature_control;
1488
1489    uint64_t msr_fixed_ctr_ctrl;
1490    uint64_t msr_global_ctrl;
1491    uint64_t msr_global_status;
1492    uint64_t msr_global_ovf_ctrl;
1493    uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
1494    uint64_t msr_gp_counters[MAX_GP_COUNTERS];
1495    uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
1496
1497    uint64_t pat;
1498    uint32_t smbase;
1499    uint64_t msr_smi_count;
1500
1501    uint32_t pkru;
1502    uint32_t pkrs;
1503    uint32_t tsx_ctrl;
1504
1505    uint64_t spec_ctrl;
1506    uint64_t virt_ssbd;
1507
1508    /* End of state preserved by INIT (dummy marker).  */
1509    struct {} end_init_save;
1510
1511    uint64_t system_time_msr;
1512    uint64_t wall_clock_msr;
1513    uint64_t steal_time_msr;
1514    uint64_t async_pf_en_msr;
1515    uint64_t async_pf_int_msr;
1516    uint64_t pv_eoi_en_msr;
1517    uint64_t poll_control_msr;
1518
1519    /* Partition-wide HV MSRs, will be updated only on the first vcpu */
1520    uint64_t msr_hv_hypercall;
1521    uint64_t msr_hv_guest_os_id;
1522    uint64_t msr_hv_tsc;
1523
1524    /* Per-VCPU HV MSRs */
1525    uint64_t msr_hv_vapic;
1526    uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
1527    uint64_t msr_hv_runtime;
1528    uint64_t msr_hv_synic_control;
1529    uint64_t msr_hv_synic_evt_page;
1530    uint64_t msr_hv_synic_msg_page;
1531    uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
1532    uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
1533    uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
1534    uint64_t msr_hv_reenlightenment_control;
1535    uint64_t msr_hv_tsc_emulation_control;
1536    uint64_t msr_hv_tsc_emulation_status;
1537
1538    uint64_t msr_rtit_ctrl;
1539    uint64_t msr_rtit_status;
1540    uint64_t msr_rtit_output_base;
1541    uint64_t msr_rtit_output_mask;
1542    uint64_t msr_rtit_cr3_match;
1543    uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
1544
1545    /* exception/interrupt handling */
1546    int error_code;
1547    int exception_is_int;
1548    target_ulong exception_next_eip;
1549    target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
1550    union {
1551        struct CPUBreakpoint *cpu_breakpoint[4];
1552        struct CPUWatchpoint *cpu_watchpoint[4];
1553    }; /* break/watchpoints for dr[0..3] */
1554    int old_exception;  /* exception in flight */
1555
1556    uint64_t vm_vmcb;
1557    uint64_t tsc_offset;
1558    uint64_t intercept;
1559    uint16_t intercept_cr_read;
1560    uint16_t intercept_cr_write;
1561    uint16_t intercept_dr_read;
1562    uint16_t intercept_dr_write;
1563    uint32_t intercept_exceptions;
1564    uint64_t nested_cr3;
1565    uint32_t nested_pg_mode;
1566    uint8_t v_tpr;
1567
1568    /* KVM states, automatically cleared on reset */
1569    uint8_t nmi_injected;
1570    uint8_t nmi_pending;
1571
1572    uintptr_t retaddr;
1573
1574    /* Fields up to this point are cleared by a CPU reset */
1575    struct {} end_reset_fields;
1576
1577    /* Fields after this point are preserved across CPU reset. */
1578
1579    /* processor features (e.g. for CPUID insn) */
1580    /* Minimum cpuid leaf 7 value */
1581    uint32_t cpuid_level_func7;
1582    /* Actual cpuid leaf 7 value */
1583    uint32_t cpuid_min_level_func7;
1584    /* Minimum level/xlevel/xlevel2, based on CPU model + features */
1585    uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
1586    /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
1587    uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
1588    /* Actual level/xlevel/xlevel2 value: */
1589    uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
1590    uint32_t cpuid_vendor1;
1591    uint32_t cpuid_vendor2;
1592    uint32_t cpuid_vendor3;
1593    uint32_t cpuid_version;
1594    FeatureWordArray features;
1595    /* Features that were explicitly enabled/disabled */
1596    FeatureWordArray user_features;
1597    uint32_t cpuid_model[12];
1598    /* Cache information for CPUID.  When legacy-cache=on, the cache data
1599     * on each CPUID leaf will be different, because we keep compatibility
1600     * with old QEMU versions.
1601     */
1602    CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
1603
1604    /* MTRRs */
1605    uint64_t mtrr_fixed[11];
1606    uint64_t mtrr_deftype;
1607    MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
1608
1609    /* For KVM */
1610    uint32_t mp_state;
1611    int32_t exception_nr;
1612    int32_t interrupt_injected;
1613    uint8_t soft_interrupt;
1614    uint8_t exception_pending;
1615    uint8_t exception_injected;
1616    uint8_t has_error_code;
1617    uint8_t exception_has_payload;
1618    uint64_t exception_payload;
1619    uint32_t ins_len;
1620    uint32_t sipi_vector;
1621    bool tsc_valid;
1622    int64_t tsc_khz;
1623    int64_t user_tsc_khz; /* for sanity check only */
1624    uint64_t apic_bus_freq;
1625#if defined(CONFIG_KVM) || defined(CONFIG_HVF)
1626    void *xsave_buf;
1627#endif
1628#if defined(CONFIG_KVM)
1629    struct kvm_nested_state *nested_state;
1630#endif
1631#if defined(CONFIG_HVF)
1632    HVFX86LazyFlags hvf_lflags;
1633    void *hvf_mmio_buf;
1634#endif
1635
1636    uint64_t mcg_cap;
1637    uint64_t mcg_ctl;
1638    uint64_t mcg_ext_ctl;
1639    uint64_t mce_banks[MCE_BANKS_DEF*4];
1640    uint64_t xstate_bv;
1641
1642    /* vmstate */
1643    uint16_t fpus_vmstate;
1644    uint16_t fptag_vmstate;
1645    uint16_t fpregs_format_vmstate;
1646
1647    uint64_t xss;
1648    uint32_t umwait;
1649
1650    TPRAccess tpr_access_type;
1651
1652    unsigned nr_dies;
1653} CPUX86State;
1654
1655struct kvm_msrs;
1656
1657/**
1658 * X86CPU:
1659 * @env: #CPUX86State
1660 * @migratable: If set, only migratable flags will be accepted when "enforce"
1661 * mode is used, and only migratable flags will be included in the "host"
1662 * CPU model.
1663 *
1664 * An x86 CPU.
1665 */
1666struct X86CPU {
1667    /*< private >*/
1668    CPUState parent_obj;
1669    /*< public >*/
1670
1671    CPUNegativeOffsetState neg;
1672    CPUX86State env;
1673    VMChangeStateEntry *vmsentry;
1674
1675    uint64_t ucode_rev;
1676
1677    uint32_t hyperv_spinlock_attempts;
1678    char *hyperv_vendor;
1679    bool hyperv_synic_kvm_only;
1680    uint64_t hyperv_features;
1681    bool hyperv_passthrough;
1682    OnOffAuto hyperv_no_nonarch_cs;
1683    uint32_t hyperv_vendor_id[3];
1684    uint32_t hyperv_interface_id[4];
1685    uint32_t hyperv_version_id[4];
1686    uint32_t hyperv_limits[3];
1687
1688    bool check_cpuid;
1689    bool enforce_cpuid;
1690    /*
1691     * Force features to be enabled even if the host doesn't support them.
1692     * This is dangerous and should be done only for testing CPUID
1693     * compatibility.
1694     */
1695    bool force_features;
1696    bool expose_kvm;
1697    bool expose_tcg;
1698    bool migratable;
1699    bool migrate_smi_count;
1700    bool max_features; /* Enable all supported features automatically */
1701    uint32_t apic_id;
1702
1703    /* Enables publishing of TSC increment and Local APIC bus frequencies to
1704     * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
1705    bool vmware_cpuid_freq;
1706
1707    /* if true the CPUID code directly forward host cache leaves to the guest */
1708    bool cache_info_passthrough;
1709
1710    /* if true the CPUID code directly forwards
1711     * host monitor/mwait leaves to the guest */
1712    struct {
1713        uint32_t eax;
1714        uint32_t ebx;
1715        uint32_t ecx;
1716        uint32_t edx;
1717    } mwait;
1718
1719    /* Features that were filtered out because of missing host capabilities */
1720    FeatureWordArray filtered_features;
1721
1722    /* Enable PMU CPUID bits. This can't be enabled by default yet because
1723     * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
1724     * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
1725     * capabilities) directly to the guest.
1726     */
1727    bool enable_pmu;
1728
1729    /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
1730     * disabled by default to avoid breaking migration between QEMU with
1731     * different LMCE configurations.
1732     */
1733    bool enable_lmce;
1734
1735    /* Compatibility bits for old machine types.
1736     * If true present virtual l3 cache for VM, the vcpus in the same virtual
1737     * socket share an virtual l3 cache.
1738     */
1739    bool enable_l3_cache;
1740
1741    /* Compatibility bits for old machine types.
1742     * If true present the old cache topology information
1743     */
1744    bool legacy_cache;
1745
1746    /* Compatibility bits for old machine types: */
1747    bool enable_cpuid_0xb;
1748
1749    /* Enable auto level-increase for all CPUID leaves */
1750    bool full_cpuid_auto_level;
1751
1752    /* Enable auto level-increase for Intel Processor Trace leave */
1753    bool intel_pt_auto_level;
1754
1755    /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
1756    bool fill_mtrr_mask;
1757
1758    /* if true override the phys_bits value with a value read from the host */
1759    bool host_phys_bits;
1760
1761    /* if set, limit maximum value for phys_bits when host_phys_bits is true */
1762    uint8_t host_phys_bits_limit;
1763
1764    /* Stop SMI delivery for migration compatibility with old machines */
1765    bool kvm_no_smi_migration;
1766
1767    /* Number of physical address bits supported */
1768    uint32_t phys_bits;
1769
1770    /* in order to simplify APIC support, we leave this pointer to the
1771       user */
1772    struct DeviceState *apic_state;
1773    struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
1774    Notifier machine_done;
1775
1776    struct kvm_msrs *kvm_msr_buf;
1777
1778    int32_t node_id; /* NUMA node this CPU belongs to */
1779    int32_t socket_id;
1780    int32_t die_id;
1781    int32_t core_id;
1782    int32_t thread_id;
1783
1784    int32_t hv_max_vps;
1785};
1786
1787
1788#ifndef CONFIG_USER_ONLY
1789extern VMStateDescription vmstate_x86_cpu;
1790#endif
1791
1792int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
1793
1794int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
1795                             int cpuid, void *opaque);
1796int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
1797                             int cpuid, void *opaque);
1798int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1799                                 void *opaque);
1800int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1801                                 void *opaque);
1802
1803void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
1804                                Error **errp);
1805
1806void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
1807
1808hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
1809                                         MemTxAttrs *attrs);
1810
1811int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
1812int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
1813
1814void x86_cpu_list(void);
1815int cpu_x86_support_mca_broadcast(CPUX86State *env);
1816
1817int cpu_get_pic_interrupt(CPUX86State *s);
1818/* MSDOS compatibility mode FPU exception support */
1819void x86_register_ferr_irq(qemu_irq irq);
1820void cpu_set_ignne(void);
1821/* mpx_helper.c */
1822void cpu_sync_bndcs_hflags(CPUX86State *env);
1823
1824/* this function must always be used to load data in the segment
1825   cache: it synchronizes the hflags with the segment cache values */
1826static inline void cpu_x86_load_seg_cache(CPUX86State *env,
1827                                          X86Seg seg_reg, unsigned int selector,
1828                                          target_ulong base,
1829                                          unsigned int limit,
1830                                          unsigned int flags)
1831{
1832    SegmentCache *sc;
1833    unsigned int new_hflags;
1834
1835    sc = &env->segs[seg_reg];
1836    sc->selector = selector;
1837    sc->base = base;
1838    sc->limit = limit;
1839    sc->flags = flags;
1840
1841    /* update the hidden flags */
1842    {
1843        if (seg_reg == R_CS) {
1844#ifdef TARGET_X86_64
1845            if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
1846                /* long mode */
1847                env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
1848                env->hflags &= ~(HF_ADDSEG_MASK);
1849            } else
1850#endif
1851            {
1852                /* legacy / compatibility case */
1853                new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
1854                    >> (DESC_B_SHIFT - HF_CS32_SHIFT);
1855                env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
1856                    new_hflags;
1857            }
1858        }
1859        if (seg_reg == R_SS) {
1860            int cpl = (flags >> DESC_DPL_SHIFT) & 3;
1861#if HF_CPL_MASK != 3
1862#error HF_CPL_MASK is hardcoded
1863#endif
1864            env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
1865            /* Possibly switch between BNDCFGS and BNDCFGU */
1866            cpu_sync_bndcs_hflags(env);
1867        }
1868        new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
1869            >> (DESC_B_SHIFT - HF_SS32_SHIFT);
1870        if (env->hflags & HF_CS64_MASK) {
1871            /* zero base assumed for DS, ES and SS in long mode */
1872        } else if (!(env->cr[0] & CR0_PE_MASK) ||
1873                   (env->eflags & VM_MASK) ||
1874                   !(env->hflags & HF_CS32_MASK)) {
1875            /* XXX: try to avoid this test. The problem comes from the
1876               fact that is real mode or vm86 mode we only modify the
1877               'base' and 'selector' fields of the segment cache to go
1878               faster. A solution may be to force addseg to one in
1879               translate-i386.c. */
1880            new_hflags |= HF_ADDSEG_MASK;
1881        } else {
1882            new_hflags |= ((env->segs[R_DS].base |
1883                            env->segs[R_ES].base |
1884                            env->segs[R_SS].base) != 0) <<
1885                HF_ADDSEG_SHIFT;
1886        }
1887        env->hflags = (env->hflags &
1888                       ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
1889    }
1890}
1891
1892static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
1893                                               uint8_t sipi_vector)
1894{
1895    CPUState *cs = CPU(cpu);
1896    CPUX86State *env = &cpu->env;
1897
1898    env->eip = 0;
1899    cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
1900                           sipi_vector << 12,
1901                           env->segs[R_CS].limit,
1902                           env->segs[R_CS].flags);
1903    cs->halted = 0;
1904}
1905
1906int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
1907                            target_ulong *base, unsigned int *limit,
1908                            unsigned int *flags);
1909
1910/* op_helper.c */
1911/* used for debug or cpu save/restore */
1912
1913/* cpu-exec.c */
1914/* the following helpers are only usable in user mode simulation as
1915   they can trigger unexpected exceptions */
1916void cpu_x86_load_seg(CPUX86State *s, X86Seg seg_reg, int selector);
1917void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
1918void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
1919void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr);
1920void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr);
1921
1922/* you can call this signal handler from your SIGBUS and SIGSEGV
1923   signal handlers to inform the virtual CPU of exceptions. non zero
1924   is returned if the signal was handled by the virtual CPU.  */
1925int cpu_x86_signal_handler(int host_signum, void *pinfo,
1926                           void *puc);
1927
1928/* cpu.c */
1929void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1930                   uint32_t *eax, uint32_t *ebx,
1931                   uint32_t *ecx, uint32_t *edx);
1932void cpu_clear_apic_feature(CPUX86State *env);
1933void host_cpuid(uint32_t function, uint32_t count,
1934                uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
1935void host_vendor_fms(char *vendor, int *family, int *model, int *stepping);
1936
1937/* helper.c */
1938void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
1939
1940#ifndef CONFIG_USER_ONLY
1941static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
1942{
1943    return !!attrs.secure;
1944}
1945
1946static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
1947{
1948    return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
1949}
1950
1951uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
1952uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
1953uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
1954uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
1955void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
1956void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
1957void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
1958void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
1959void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
1960#endif
1961
1962/* will be suppressed */
1963void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
1964void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
1965void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
1966void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
1967
1968/* hw/pc.c */
1969uint64_t cpu_get_tsc(CPUX86State *env);
1970
1971#define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
1972#define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
1973#define CPU_RESOLVING_TYPE TYPE_X86_CPU
1974
1975#ifdef TARGET_X86_64
1976#define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
1977#else
1978#define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
1979#endif
1980
1981#define cpu_signal_handler cpu_x86_signal_handler
1982#define cpu_list x86_cpu_list
1983
1984/* MMU modes definitions */
1985#define MMU_KSMAP_IDX   0
1986#define MMU_USER_IDX    1
1987#define MMU_KNOSMAP_IDX 2
1988static inline int cpu_mmu_index(CPUX86State *env, bool ifetch)
1989{
1990    return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
1991        (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK))
1992        ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
1993}
1994
1995static inline int cpu_mmu_index_kernel(CPUX86State *env)
1996{
1997    return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX :
1998        ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK))
1999        ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
2000}
2001
2002#define CC_DST  (env->cc_dst)
2003#define CC_SRC  (env->cc_src)
2004#define CC_SRC2 (env->cc_src2)
2005#define CC_OP   (env->cc_op)
2006
2007typedef CPUX86State CPUArchState;
2008typedef X86CPU ArchCPU;
2009
2010#include "exec/cpu-all.h"
2011#include "svm.h"
2012
2013#if !defined(CONFIG_USER_ONLY)
2014#include "hw/i386/apic.h"
2015#endif
2016
2017static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
2018                                        target_ulong *cs_base, uint32_t *flags)
2019{
2020    *cs_base = env->segs[R_CS].base;
2021    *pc = *cs_base + env->eip;
2022    *flags = env->hflags |
2023        (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
2024}
2025
2026void do_cpu_init(X86CPU *cpu);
2027void do_cpu_sipi(X86CPU *cpu);
2028
2029#define MCE_INJECT_BROADCAST    1
2030#define MCE_INJECT_UNCOND_AO    2
2031
2032void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
2033                        uint64_t status, uint64_t mcg_status, uint64_t addr,
2034                        uint64_t misc, int flags);
2035
2036uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
2037
2038static inline uint32_t cpu_compute_eflags(CPUX86State *env)
2039{
2040    uint32_t eflags = env->eflags;
2041    if (tcg_enabled()) {
2042        eflags |= cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
2043    }
2044    return eflags;
2045}
2046
2047
2048/* load efer and update the corresponding hflags. XXX: do consistency
2049   checks with cpuid bits? */
2050static inline void cpu_load_efer(CPUX86State *env, uint64_t val)
2051{
2052    env->efer = val;
2053    env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK);
2054    if (env->efer & MSR_EFER_LMA) {
2055        env->hflags |= HF_LMA_MASK;
2056    }
2057    if (env->efer & MSR_EFER_SVME) {
2058        env->hflags |= HF_SVME_MASK;
2059    }
2060}
2061
2062static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
2063{
2064    return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
2065}
2066
2067static inline int32_t x86_get_a20_mask(CPUX86State *env)
2068{
2069    if (env->hflags & HF_SMM_MASK) {
2070        return -1;
2071    } else {
2072        return env->a20_mask;
2073    }
2074}
2075
2076static inline bool cpu_has_vmx(CPUX86State *env)
2077{
2078    return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
2079}
2080
2081static inline bool cpu_has_svm(CPUX86State *env)
2082{
2083    return env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM;
2084}
2085
2086/*
2087 * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
2088 * Since it was set, CR4.VMXE must remain set as long as vCPU is in
2089 * VMX operation. This is because CR4.VMXE is one of the bits set
2090 * in MSR_IA32_VMX_CR4_FIXED1.
2091 *
2092 * There is one exception to above statement when vCPU enters SMM mode.
2093 * When a vCPU enters SMM mode, it temporarily exit VMX operation and
2094 * may also reset CR4.VMXE during execution in SMM mode.
2095 * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
2096 * and CR4.VMXE is restored to it's original value of being set.
2097 *
2098 * Therefore, when vCPU is not in SMM mode, we can infer whether
2099 * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
2100 * know for certain.
2101 */
2102static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
2103{
2104    return cpu_has_vmx(env) &&
2105           ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
2106}
2107
2108/* fpu_helper.c */
2109void update_fp_status(CPUX86State *env);
2110void update_mxcsr_status(CPUX86State *env);
2111void update_mxcsr_from_sse_status(CPUX86State *env);
2112
2113static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
2114{
2115    env->mxcsr = mxcsr;
2116    if (tcg_enabled()) {
2117        update_mxcsr_status(env);
2118    }
2119}
2120
2121static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
2122{
2123     env->fpuc = fpuc;
2124     if (tcg_enabled()) {
2125        update_fp_status(env);
2126     }
2127}
2128
2129/* mem_helper.c */
2130void helper_lock_init(void);
2131
2132/* svm_helper.c */
2133void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2134                                   uint64_t param, uintptr_t retaddr);
2135/* apic.c */
2136void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
2137void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
2138                                   TPRAccess access);
2139
2140
2141/* Change the value of a KVM-specific default
2142 *
2143 * If value is NULL, no default will be set and the original
2144 * value from the CPU model table will be kept.
2145 *
2146 * It is valid to call this function only for properties that
2147 * are already present in the kvm_default_props table.
2148 */
2149void x86_cpu_change_kvm_default(const char *prop, const char *value);
2150
2151/* Special values for X86CPUVersion: */
2152
2153/* Resolve to latest CPU version */
2154#define CPU_VERSION_LATEST -1
2155
2156/*
2157 * Resolve to version defined by current machine type.
2158 * See x86_cpu_set_default_version()
2159 */
2160#define CPU_VERSION_AUTO   -2
2161
2162/* Don't resolve to any versioned CPU models, like old QEMU versions */
2163#define CPU_VERSION_LEGACY  0
2164
2165typedef int X86CPUVersion;
2166
2167/*
2168 * Set default CPU model version for CPU models having
2169 * version == CPU_VERSION_AUTO.
2170 */
2171void x86_cpu_set_default_version(X86CPUVersion version);
2172
2173#define APIC_DEFAULT_ADDRESS 0xfee00000
2174#define APIC_SPACE_SIZE      0x100000
2175
2176/* cpu-dump.c */
2177void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
2178
2179/* cpu.c */
2180bool cpu_is_bsp(X86CPU *cpu);
2181
2182void x86_cpu_xrstor_all_areas(X86CPU *cpu, const X86XSaveArea *buf);
2183void x86_cpu_xsave_all_areas(X86CPU *cpu, X86XSaveArea *buf);
2184void x86_update_hflags(CPUX86State* env);
2185
2186static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
2187{
2188    return !!(cpu->hyperv_features & BIT(feat));
2189}
2190
2191#if defined(TARGET_X86_64) && \
2192    defined(CONFIG_USER_ONLY) && \
2193    defined(CONFIG_LINUX)
2194# define TARGET_VSYSCALL_PAGE  (UINT64_C(-10) << 20)
2195#endif
2196
2197#endif /* I386_CPU_H */
2198