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cpu.h (83665B)


      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 #include "qemu/cpu-float.h"
     29 
     30 /* The x86 has a strong memory model with some store-after-load re-ordering */
     31 #define TCG_GUEST_DEFAULT_MO      (TCG_MO_ALL & ~TCG_MO_ST_LD)
     32 
     33 #define KVM_HAVE_MCE_INJECTION 1
     34 
     35 /* support for self modifying code even if the modified instruction is
     36    close to the modifying instruction */
     37 #define TARGET_HAS_PRECISE_SMC
     38 
     39 #ifdef TARGET_X86_64
     40 #define I386_ELF_MACHINE  EM_X86_64
     41 #define ELF_MACHINE_UNAME "x86_64"
     42 #else
     43 #define I386_ELF_MACHINE  EM_386
     44 #define ELF_MACHINE_UNAME "i686"
     45 #endif
     46 
     47 enum {
     48     R_EAX = 0,
     49     R_ECX = 1,
     50     R_EDX = 2,
     51     R_EBX = 3,
     52     R_ESP = 4,
     53     R_EBP = 5,
     54     R_ESI = 6,
     55     R_EDI = 7,
     56     R_R8 = 8,
     57     R_R9 = 9,
     58     R_R10 = 10,
     59     R_R11 = 11,
     60     R_R12 = 12,
     61     R_R13 = 13,
     62     R_R14 = 14,
     63     R_R15 = 15,
     64 
     65     R_AL = 0,
     66     R_CL = 1,
     67     R_DL = 2,
     68     R_BL = 3,
     69     R_AH = 4,
     70     R_CH = 5,
     71     R_DH = 6,
     72     R_BH = 7,
     73 };
     74 
     75 typedef enum X86Seg {
     76     R_ES = 0,
     77     R_CS = 1,
     78     R_SS = 2,
     79     R_DS = 3,
     80     R_FS = 4,
     81     R_GS = 5,
     82     R_LDTR = 6,
     83     R_TR = 7,
     84 } X86Seg;
     85 
     86 /* segment descriptor fields */
     87 #define DESC_G_SHIFT    23
     88 #define DESC_G_MASK     (1 << DESC_G_SHIFT)
     89 #define DESC_B_SHIFT    22
     90 #define DESC_B_MASK     (1 << DESC_B_SHIFT)
     91 #define DESC_L_SHIFT    21 /* x86_64 only : 64 bit code segment */
     92 #define DESC_L_MASK     (1 << DESC_L_SHIFT)
     93 #define DESC_AVL_SHIFT  20
     94 #define DESC_AVL_MASK   (1 << DESC_AVL_SHIFT)
     95 #define DESC_P_SHIFT    15
     96 #define DESC_P_MASK     (1 << DESC_P_SHIFT)
     97 #define DESC_DPL_SHIFT  13
     98 #define DESC_DPL_MASK   (3 << DESC_DPL_SHIFT)
     99 #define DESC_S_SHIFT    12
    100 #define DESC_S_MASK     (1 << DESC_S_SHIFT)
    101 #define DESC_TYPE_SHIFT 8
    102 #define DESC_TYPE_MASK  (15 << DESC_TYPE_SHIFT)
    103 #define DESC_A_MASK     (1 << 8)
    104 
    105 #define DESC_CS_MASK    (1 << 11) /* 1=code segment 0=data segment */
    106 #define DESC_C_MASK     (1 << 10) /* code: conforming */
    107 #define DESC_R_MASK     (1 << 9)  /* code: readable */
    108 
    109 #define DESC_E_MASK     (1 << 10) /* data: expansion direction */
    110 #define DESC_W_MASK     (1 << 9)  /* data: writable */
    111 
    112 #define DESC_TSS_BUSY_MASK (1 << 9)
    113 
    114 /* eflags masks */
    115 #define CC_C    0x0001
    116 #define CC_P    0x0004
    117 #define CC_A    0x0010
    118 #define CC_Z    0x0040
    119 #define CC_S    0x0080
    120 #define CC_O    0x0800
    121 
    122 #define TF_SHIFT   8
    123 #define IOPL_SHIFT 12
    124 #define VM_SHIFT   17
    125 
    126 #define TF_MASK                 0x00000100
    127 #define IF_MASK                 0x00000200
    128 #define DF_MASK                 0x00000400
    129 #define IOPL_MASK               0x00003000
    130 #define NT_MASK                 0x00004000
    131 #define RF_MASK                 0x00010000
    132 #define VM_MASK                 0x00020000
    133 #define AC_MASK                 0x00040000
    134 #define VIF_MASK                0x00080000
    135 #define VIP_MASK                0x00100000
    136 #define ID_MASK                 0x00200000
    137 
    138 /* hidden flags - used internally by qemu to represent additional cpu
    139    states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We
    140    avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit
    141    positions to ease oring with eflags. */
    142 /* current cpl */
    143 #define HF_CPL_SHIFT         0
    144 /* true if hardware interrupts must be disabled for next instruction */
    145 #define HF_INHIBIT_IRQ_SHIFT 3
    146 /* 16 or 32 segments */
    147 #define HF_CS32_SHIFT        4
    148 #define HF_SS32_SHIFT        5
    149 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
    150 #define HF_ADDSEG_SHIFT      6
    151 /* copy of CR0.PE (protected mode) */
    152 #define HF_PE_SHIFT          7
    153 #define HF_TF_SHIFT          8 /* must be same as eflags */
    154 #define HF_MP_SHIFT          9 /* the order must be MP, EM, TS */
    155 #define HF_EM_SHIFT         10
    156 #define HF_TS_SHIFT         11
    157 #define HF_IOPL_SHIFT       12 /* must be same as eflags */
    158 #define HF_LMA_SHIFT        14 /* only used on x86_64: long mode active */
    159 #define HF_CS64_SHIFT       15 /* only used on x86_64: 64 bit code segment  */
    160 #define HF_RF_SHIFT         16 /* must be same as eflags */
    161 #define HF_VM_SHIFT         17 /* must be same as eflags */
    162 #define HF_AC_SHIFT         18 /* must be same as eflags */
    163 #define HF_SMM_SHIFT        19 /* CPU in SMM mode */
    164 #define HF_SVME_SHIFT       20 /* SVME enabled (copy of EFER.SVME) */
    165 #define HF_GUEST_SHIFT      21 /* SVM intercepts are active */
    166 #define HF_OSFXSR_SHIFT     22 /* CR4.OSFXSR */
    167 #define HF_SMAP_SHIFT       23 /* CR4.SMAP */
    168 #define HF_IOBPT_SHIFT      24 /* an io breakpoint enabled */
    169 #define HF_MPX_EN_SHIFT     25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */
    170 #define HF_MPX_IU_SHIFT     26 /* BND registers in-use */
    171 #define HF_UMIP_SHIFT       27 /* CR4.UMIP */
    172 #define HF_AVX_EN_SHIFT     28 /* AVX Enabled (CR4+XCR0) */
    173 
    174 #define HF_CPL_MASK          (3 << HF_CPL_SHIFT)
    175 #define HF_INHIBIT_IRQ_MASK  (1 << HF_INHIBIT_IRQ_SHIFT)
    176 #define HF_CS32_MASK         (1 << HF_CS32_SHIFT)
    177 #define HF_SS32_MASK         (1 << HF_SS32_SHIFT)
    178 #define HF_ADDSEG_MASK       (1 << HF_ADDSEG_SHIFT)
    179 #define HF_PE_MASK           (1 << HF_PE_SHIFT)
    180 #define HF_TF_MASK           (1 << HF_TF_SHIFT)
    181 #define HF_MP_MASK           (1 << HF_MP_SHIFT)
    182 #define HF_EM_MASK           (1 << HF_EM_SHIFT)
    183 #define HF_TS_MASK           (1 << HF_TS_SHIFT)
    184 #define HF_IOPL_MASK         (3 << HF_IOPL_SHIFT)
    185 #define HF_LMA_MASK          (1 << HF_LMA_SHIFT)
    186 #define HF_CS64_MASK         (1 << HF_CS64_SHIFT)
    187 #define HF_RF_MASK           (1 << HF_RF_SHIFT)
    188 #define HF_VM_MASK           (1 << HF_VM_SHIFT)
    189 #define HF_AC_MASK           (1 << HF_AC_SHIFT)
    190 #define HF_SMM_MASK          (1 << HF_SMM_SHIFT)
    191 #define HF_SVME_MASK         (1 << HF_SVME_SHIFT)
    192 #define HF_GUEST_MASK        (1 << HF_GUEST_SHIFT)
    193 #define HF_OSFXSR_MASK       (1 << HF_OSFXSR_SHIFT)
    194 #define HF_SMAP_MASK         (1 << HF_SMAP_SHIFT)
    195 #define HF_IOBPT_MASK        (1 << HF_IOBPT_SHIFT)
    196 #define HF_MPX_EN_MASK       (1 << HF_MPX_EN_SHIFT)
    197 #define HF_MPX_IU_MASK       (1 << HF_MPX_IU_SHIFT)
    198 #define HF_UMIP_MASK         (1 << HF_UMIP_SHIFT)
    199 #define HF_AVX_EN_MASK       (1 << HF_AVX_EN_SHIFT)
    200 
    201 /* hflags2 */
    202 
    203 #define HF2_GIF_SHIFT            0 /* if set CPU takes interrupts */
    204 #define HF2_HIF_SHIFT            1 /* value of IF_MASK when entering SVM */
    205 #define HF2_NMI_SHIFT            2 /* CPU serving NMI */
    206 #define HF2_VINTR_SHIFT          3 /* value of V_INTR_MASKING bit */
    207 #define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */
    208 #define HF2_MPX_PR_SHIFT         5 /* BNDCFGx.BNDPRESERVE */
    209 #define HF2_NPT_SHIFT            6 /* Nested Paging enabled */
    210 #define HF2_IGNNE_SHIFT          7 /* Ignore CR0.NE=0 */
    211 #define HF2_VGIF_SHIFT           8 /* Can take VIRQ*/
    212 
    213 #define HF2_GIF_MASK            (1 << HF2_GIF_SHIFT)
    214 #define HF2_HIF_MASK            (1 << HF2_HIF_SHIFT)
    215 #define HF2_NMI_MASK            (1 << HF2_NMI_SHIFT)
    216 #define HF2_VINTR_MASK          (1 << HF2_VINTR_SHIFT)
    217 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT)
    218 #define HF2_MPX_PR_MASK         (1 << HF2_MPX_PR_SHIFT)
    219 #define HF2_NPT_MASK            (1 << HF2_NPT_SHIFT)
    220 #define HF2_IGNNE_MASK          (1 << HF2_IGNNE_SHIFT)
    221 #define HF2_VGIF_MASK           (1 << HF2_VGIF_SHIFT)
    222 
    223 #define CR0_PE_SHIFT 0
    224 #define CR0_MP_SHIFT 1
    225 
    226 #define CR0_PE_MASK  (1U << 0)
    227 #define CR0_MP_MASK  (1U << 1)
    228 #define CR0_EM_MASK  (1U << 2)
    229 #define CR0_TS_MASK  (1U << 3)
    230 #define CR0_ET_MASK  (1U << 4)
    231 #define CR0_NE_MASK  (1U << 5)
    232 #define CR0_WP_MASK  (1U << 16)
    233 #define CR0_AM_MASK  (1U << 18)
    234 #define CR0_NW_MASK  (1U << 29)
    235 #define CR0_CD_MASK  (1U << 30)
    236 #define CR0_PG_MASK  (1U << 31)
    237 
    238 #define CR4_VME_MASK  (1U << 0)
    239 #define CR4_PVI_MASK  (1U << 1)
    240 #define CR4_TSD_MASK  (1U << 2)
    241 #define CR4_DE_MASK   (1U << 3)
    242 #define CR4_PSE_MASK  (1U << 4)
    243 #define CR4_PAE_MASK  (1U << 5)
    244 #define CR4_MCE_MASK  (1U << 6)
    245 #define CR4_PGE_MASK  (1U << 7)
    246 #define CR4_PCE_MASK  (1U << 8)
    247 #define CR4_OSFXSR_SHIFT 9
    248 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
    249 #define CR4_OSXMMEXCPT_MASK  (1U << 10)
    250 #define CR4_UMIP_MASK   (1U << 11)
    251 #define CR4_LA57_MASK   (1U << 12)
    252 #define CR4_VMXE_MASK   (1U << 13)
    253 #define CR4_SMXE_MASK   (1U << 14)
    254 #define CR4_FSGSBASE_MASK (1U << 16)
    255 #define CR4_PCIDE_MASK  (1U << 17)
    256 #define CR4_OSXSAVE_MASK (1U << 18)
    257 #define CR4_SMEP_MASK   (1U << 20)
    258 #define CR4_SMAP_MASK   (1U << 21)
    259 #define CR4_PKE_MASK   (1U << 22)
    260 #define CR4_PKS_MASK   (1U << 24)
    261 
    262 #define CR4_RESERVED_MASK \
    263 (~(target_ulong)(CR4_VME_MASK | CR4_PVI_MASK | CR4_TSD_MASK \
    264                 | CR4_DE_MASK | CR4_PSE_MASK | CR4_PAE_MASK \
    265                 | CR4_MCE_MASK | CR4_PGE_MASK | CR4_PCE_MASK \
    266                 | CR4_OSFXSR_MASK | CR4_OSXMMEXCPT_MASK | CR4_UMIP_MASK \
    267                 | CR4_LA57_MASK \
    268                 | CR4_FSGSBASE_MASK | CR4_PCIDE_MASK | CR4_OSXSAVE_MASK \
    269                 | CR4_SMEP_MASK | CR4_SMAP_MASK | CR4_PKE_MASK | CR4_PKS_MASK))
    270 
    271 #define DR6_BD          (1 << 13)
    272 #define DR6_BS          (1 << 14)
    273 #define DR6_BT          (1 << 15)
    274 #define DR6_FIXED_1     0xffff0ff0
    275 
    276 #define DR7_GD          (1 << 13)
    277 #define DR7_TYPE_SHIFT  16
    278 #define DR7_LEN_SHIFT   18
    279 #define DR7_FIXED_1     0x00000400
    280 #define DR7_GLOBAL_BP_MASK   0xaa
    281 #define DR7_LOCAL_BP_MASK    0x55
    282 #define DR7_MAX_BP           4
    283 #define DR7_TYPE_BP_INST     0x0
    284 #define DR7_TYPE_DATA_WR     0x1
    285 #define DR7_TYPE_IO_RW       0x2
    286 #define DR7_TYPE_DATA_RW     0x3
    287 
    288 #define DR_RESERVED_MASK 0xffffffff00000000ULL
    289 
    290 #define PG_PRESENT_BIT  0
    291 #define PG_RW_BIT       1
    292 #define PG_USER_BIT     2
    293 #define PG_PWT_BIT      3
    294 #define PG_PCD_BIT      4
    295 #define PG_ACCESSED_BIT 5
    296 #define PG_DIRTY_BIT    6
    297 #define PG_PSE_BIT      7
    298 #define PG_GLOBAL_BIT   8
    299 #define PG_PSE_PAT_BIT  12
    300 #define PG_PKRU_BIT     59
    301 #define PG_NX_BIT       63
    302 
    303 #define PG_PRESENT_MASK  (1 << PG_PRESENT_BIT)
    304 #define PG_RW_MASK       (1 << PG_RW_BIT)
    305 #define PG_USER_MASK     (1 << PG_USER_BIT)
    306 #define PG_PWT_MASK      (1 << PG_PWT_BIT)
    307 #define PG_PCD_MASK      (1 << PG_PCD_BIT)
    308 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
    309 #define PG_DIRTY_MASK    (1 << PG_DIRTY_BIT)
    310 #define PG_PSE_MASK      (1 << PG_PSE_BIT)
    311 #define PG_GLOBAL_MASK   (1 << PG_GLOBAL_BIT)
    312 #define PG_PSE_PAT_MASK  (1 << PG_PSE_PAT_BIT)
    313 #define PG_ADDRESS_MASK  0x000ffffffffff000LL
    314 #define PG_HI_USER_MASK  0x7ff0000000000000LL
    315 #define PG_PKRU_MASK     (15ULL << PG_PKRU_BIT)
    316 #define PG_NX_MASK       (1ULL << PG_NX_BIT)
    317 
    318 #define PG_ERROR_W_BIT     1
    319 
    320 #define PG_ERROR_P_MASK    0x01
    321 #define PG_ERROR_W_MASK    (1 << PG_ERROR_W_BIT)
    322 #define PG_ERROR_U_MASK    0x04
    323 #define PG_ERROR_RSVD_MASK 0x08
    324 #define PG_ERROR_I_D_MASK  0x10
    325 #define PG_ERROR_PK_MASK   0x20
    326 
    327 #define PG_MODE_PAE      (1 << 0)
    328 #define PG_MODE_LMA      (1 << 1)
    329 #define PG_MODE_NXE      (1 << 2)
    330 #define PG_MODE_PSE      (1 << 3)
    331 #define PG_MODE_LA57     (1 << 4)
    332 #define PG_MODE_SVM_MASK MAKE_64BIT_MASK(0, 15)
    333 
    334 /* Bits of CR4 that do not affect the NPT page format.  */
    335 #define PG_MODE_WP       (1 << 16)
    336 #define PG_MODE_PKE      (1 << 17)
    337 #define PG_MODE_PKS      (1 << 18)
    338 #define PG_MODE_SMEP     (1 << 19)
    339 
    340 #define MCG_CTL_P       (1ULL<<8)   /* MCG_CAP register available */
    341 #define MCG_SER_P       (1ULL<<24) /* MCA recovery/new status bits */
    342 #define MCG_LMCE_P      (1ULL<<27) /* Local Machine Check Supported */
    343 
    344 #define MCE_CAP_DEF     (MCG_CTL_P|MCG_SER_P)
    345 #define MCE_BANKS_DEF   10
    346 
    347 #define MCG_CAP_BANKS_MASK 0xff
    348 
    349 #define MCG_STATUS_RIPV (1ULL<<0)   /* restart ip valid */
    350 #define MCG_STATUS_EIPV (1ULL<<1)   /* ip points to correct instruction */
    351 #define MCG_STATUS_MCIP (1ULL<<2)   /* machine check in progress */
    352 #define MCG_STATUS_LMCE (1ULL<<3)   /* Local MCE signaled */
    353 
    354 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */
    355 
    356 #define MCI_STATUS_VAL   (1ULL<<63)  /* valid error */
    357 #define MCI_STATUS_OVER  (1ULL<<62)  /* previous errors lost */
    358 #define MCI_STATUS_UC    (1ULL<<61)  /* uncorrected error */
    359 #define MCI_STATUS_EN    (1ULL<<60)  /* error enabled */
    360 #define MCI_STATUS_MISCV (1ULL<<59)  /* misc error reg. valid */
    361 #define MCI_STATUS_ADDRV (1ULL<<58)  /* addr reg. valid */
    362 #define MCI_STATUS_PCC   (1ULL<<57)  /* processor context corrupt */
    363 #define MCI_STATUS_S     (1ULL<<56)  /* Signaled machine check */
    364 #define MCI_STATUS_AR    (1ULL<<55)  /* Action required */
    365 
    366 /* MISC register defines */
    367 #define MCM_ADDR_SEGOFF  0      /* segment offset */
    368 #define MCM_ADDR_LINEAR  1      /* linear address */
    369 #define MCM_ADDR_PHYS    2      /* physical address */
    370 #define MCM_ADDR_MEM     3      /* memory address */
    371 #define MCM_ADDR_GENERIC 7      /* generic */
    372 
    373 #define MSR_IA32_TSC                    0x10
    374 #define MSR_IA32_APICBASE               0x1b
    375 #define MSR_IA32_APICBASE_BSP           (1<<8)
    376 #define MSR_IA32_APICBASE_ENABLE        (1<<11)
    377 #define MSR_IA32_APICBASE_EXTD          (1 << 10)
    378 #define MSR_IA32_APICBASE_BASE          (0xfffffU<<12)
    379 #define MSR_IA32_FEATURE_CONTROL        0x0000003a
    380 #define MSR_TSC_ADJUST                  0x0000003b
    381 #define MSR_IA32_SPEC_CTRL              0x48
    382 #define MSR_VIRT_SSBD                   0xc001011f
    383 #define MSR_IA32_PRED_CMD               0x49
    384 #define MSR_IA32_UCODE_REV              0x8b
    385 #define MSR_IA32_CORE_CAPABILITY        0xcf
    386 
    387 #define MSR_IA32_ARCH_CAPABILITIES      0x10a
    388 #define ARCH_CAP_TSX_CTRL_MSR		(1<<7)
    389 
    390 #define MSR_IA32_PERF_CAPABILITIES      0x345
    391 #define PERF_CAP_LBR_FMT                0x3f
    392 
    393 #define MSR_IA32_TSX_CTRL		0x122
    394 #define MSR_IA32_TSCDEADLINE            0x6e0
    395 #define MSR_IA32_PKRS                   0x6e1
    396 #define MSR_ARCH_LBR_CTL                0x000014ce
    397 #define MSR_ARCH_LBR_DEPTH              0x000014cf
    398 #define MSR_ARCH_LBR_FROM_0             0x00001500
    399 #define MSR_ARCH_LBR_TO_0               0x00001600
    400 #define MSR_ARCH_LBR_INFO_0             0x00001200
    401 
    402 #define FEATURE_CONTROL_LOCKED                    (1<<0)
    403 #define FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX  (1ULL << 1)
    404 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
    405 #define FEATURE_CONTROL_SGX_LC                    (1ULL << 17)
    406 #define FEATURE_CONTROL_SGX                       (1ULL << 18)
    407 #define FEATURE_CONTROL_LMCE                      (1<<20)
    408 
    409 #define MSR_IA32_SGXLEPUBKEYHASH0       0x8c
    410 #define MSR_IA32_SGXLEPUBKEYHASH1       0x8d
    411 #define MSR_IA32_SGXLEPUBKEYHASH2       0x8e
    412 #define MSR_IA32_SGXLEPUBKEYHASH3       0x8f
    413 
    414 #define MSR_P6_PERFCTR0                 0xc1
    415 
    416 #define MSR_IA32_SMBASE                 0x9e
    417 #define MSR_SMI_COUNT                   0x34
    418 #define MSR_CORE_THREAD_COUNT           0x35
    419 #define MSR_MTRRcap                     0xfe
    420 #define MSR_MTRRcap_VCNT                8
    421 #define MSR_MTRRcap_FIXRANGE_SUPPORT    (1 << 8)
    422 #define MSR_MTRRcap_WC_SUPPORTED        (1 << 10)
    423 
    424 #define MSR_IA32_SYSENTER_CS            0x174
    425 #define MSR_IA32_SYSENTER_ESP           0x175
    426 #define MSR_IA32_SYSENTER_EIP           0x176
    427 
    428 #define MSR_MCG_CAP                     0x179
    429 #define MSR_MCG_STATUS                  0x17a
    430 #define MSR_MCG_CTL                     0x17b
    431 #define MSR_MCG_EXT_CTL                 0x4d0
    432 
    433 #define MSR_P6_EVNTSEL0                 0x186
    434 
    435 #define MSR_IA32_PERF_STATUS            0x198
    436 
    437 #define MSR_IA32_MISC_ENABLE            0x1a0
    438 /* Indicates good rep/movs microcode on some processors: */
    439 #define MSR_IA32_MISC_ENABLE_DEFAULT    1
    440 #define MSR_IA32_MISC_ENABLE_MWAIT      (1ULL << 18)
    441 
    442 #define MSR_MTRRphysBase(reg)           (0x200 + 2 * (reg))
    443 #define MSR_MTRRphysMask(reg)           (0x200 + 2 * (reg) + 1)
    444 
    445 #define MSR_MTRRphysIndex(addr)         ((((addr) & ~1u) - 0x200) / 2)
    446 
    447 #define MSR_MTRRfix64K_00000            0x250
    448 #define MSR_MTRRfix16K_80000            0x258
    449 #define MSR_MTRRfix16K_A0000            0x259
    450 #define MSR_MTRRfix4K_C0000             0x268
    451 #define MSR_MTRRfix4K_C8000             0x269
    452 #define MSR_MTRRfix4K_D0000             0x26a
    453 #define MSR_MTRRfix4K_D8000             0x26b
    454 #define MSR_MTRRfix4K_E0000             0x26c
    455 #define MSR_MTRRfix4K_E8000             0x26d
    456 #define MSR_MTRRfix4K_F0000             0x26e
    457 #define MSR_MTRRfix4K_F8000             0x26f
    458 
    459 #define MSR_PAT                         0x277
    460 
    461 #define MSR_MTRRdefType                 0x2ff
    462 
    463 #define MSR_CORE_PERF_FIXED_CTR0        0x309
    464 #define MSR_CORE_PERF_FIXED_CTR1        0x30a
    465 #define MSR_CORE_PERF_FIXED_CTR2        0x30b
    466 #define MSR_CORE_PERF_FIXED_CTR_CTRL    0x38d
    467 #define MSR_CORE_PERF_GLOBAL_STATUS     0x38e
    468 #define MSR_CORE_PERF_GLOBAL_CTRL       0x38f
    469 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL   0x390
    470 
    471 #define MSR_MC0_CTL                     0x400
    472 #define MSR_MC0_STATUS                  0x401
    473 #define MSR_MC0_ADDR                    0x402
    474 #define MSR_MC0_MISC                    0x403
    475 
    476 #define MSR_IA32_RTIT_OUTPUT_BASE       0x560
    477 #define MSR_IA32_RTIT_OUTPUT_MASK       0x561
    478 #define MSR_IA32_RTIT_CTL               0x570
    479 #define MSR_IA32_RTIT_STATUS            0x571
    480 #define MSR_IA32_RTIT_CR3_MATCH         0x572
    481 #define MSR_IA32_RTIT_ADDR0_A           0x580
    482 #define MSR_IA32_RTIT_ADDR0_B           0x581
    483 #define MSR_IA32_RTIT_ADDR1_A           0x582
    484 #define MSR_IA32_RTIT_ADDR1_B           0x583
    485 #define MSR_IA32_RTIT_ADDR2_A           0x584
    486 #define MSR_IA32_RTIT_ADDR2_B           0x585
    487 #define MSR_IA32_RTIT_ADDR3_A           0x586
    488 #define MSR_IA32_RTIT_ADDR3_B           0x587
    489 #define MAX_RTIT_ADDRS                  8
    490 
    491 #define MSR_EFER                        0xc0000080
    492 
    493 #define MSR_EFER_SCE   (1 << 0)
    494 #define MSR_EFER_LME   (1 << 8)
    495 #define MSR_EFER_LMA   (1 << 10)
    496 #define MSR_EFER_NXE   (1 << 11)
    497 #define MSR_EFER_SVME  (1 << 12)
    498 #define MSR_EFER_FFXSR (1 << 14)
    499 
    500 #define MSR_EFER_RESERVED\
    501         (~(target_ulong)(MSR_EFER_SCE | MSR_EFER_LME\
    502             | MSR_EFER_LMA | MSR_EFER_NXE | MSR_EFER_SVME\
    503             | MSR_EFER_FFXSR))
    504 
    505 #define MSR_STAR                        0xc0000081
    506 #define MSR_LSTAR                       0xc0000082
    507 #define MSR_CSTAR                       0xc0000083
    508 #define MSR_FMASK                       0xc0000084
    509 #define MSR_FSBASE                      0xc0000100
    510 #define MSR_GSBASE                      0xc0000101
    511 #define MSR_KERNELGSBASE                0xc0000102
    512 #define MSR_TSC_AUX                     0xc0000103
    513 #define MSR_AMD64_TSC_RATIO             0xc0000104
    514 
    515 #define MSR_AMD64_TSC_RATIO_DEFAULT     0x100000000ULL
    516 
    517 #define MSR_VM_HSAVE_PA                 0xc0010117
    518 
    519 #define MSR_IA32_XFD                    0x000001c4
    520 #define MSR_IA32_XFD_ERR                0x000001c5
    521 
    522 #define MSR_IA32_BNDCFGS                0x00000d90
    523 #define MSR_IA32_XSS                    0x00000da0
    524 #define MSR_IA32_UMWAIT_CONTROL         0xe1
    525 
    526 #define MSR_IA32_VMX_BASIC              0x00000480
    527 #define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
    528 #define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
    529 #define MSR_IA32_VMX_EXIT_CTLS          0x00000483
    530 #define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
    531 #define MSR_IA32_VMX_MISC               0x00000485
    532 #define MSR_IA32_VMX_CR0_FIXED0         0x00000486
    533 #define MSR_IA32_VMX_CR0_FIXED1         0x00000487
    534 #define MSR_IA32_VMX_CR4_FIXED0         0x00000488
    535 #define MSR_IA32_VMX_CR4_FIXED1         0x00000489
    536 #define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
    537 #define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
    538 #define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
    539 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
    540 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
    541 #define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
    542 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
    543 #define MSR_IA32_VMX_VMFUNC             0x00000491
    544 
    545 #define XSTATE_FP_BIT                   0
    546 #define XSTATE_SSE_BIT                  1
    547 #define XSTATE_YMM_BIT                  2
    548 #define XSTATE_BNDREGS_BIT              3
    549 #define XSTATE_BNDCSR_BIT               4
    550 #define XSTATE_OPMASK_BIT               5
    551 #define XSTATE_ZMM_Hi256_BIT            6
    552 #define XSTATE_Hi16_ZMM_BIT             7
    553 #define XSTATE_PKRU_BIT                 9
    554 #define XSTATE_ARCH_LBR_BIT             15
    555 #define XSTATE_XTILE_CFG_BIT            17
    556 #define XSTATE_XTILE_DATA_BIT           18
    557 
    558 #define XSTATE_FP_MASK                  (1ULL << XSTATE_FP_BIT)
    559 #define XSTATE_SSE_MASK                 (1ULL << XSTATE_SSE_BIT)
    560 #define XSTATE_YMM_MASK                 (1ULL << XSTATE_YMM_BIT)
    561 #define XSTATE_BNDREGS_MASK             (1ULL << XSTATE_BNDREGS_BIT)
    562 #define XSTATE_BNDCSR_MASK              (1ULL << XSTATE_BNDCSR_BIT)
    563 #define XSTATE_OPMASK_MASK              (1ULL << XSTATE_OPMASK_BIT)
    564 #define XSTATE_ZMM_Hi256_MASK           (1ULL << XSTATE_ZMM_Hi256_BIT)
    565 #define XSTATE_Hi16_ZMM_MASK            (1ULL << XSTATE_Hi16_ZMM_BIT)
    566 #define XSTATE_PKRU_MASK                (1ULL << XSTATE_PKRU_BIT)
    567 #define XSTATE_ARCH_LBR_MASK            (1ULL << XSTATE_ARCH_LBR_BIT)
    568 #define XSTATE_XTILE_CFG_MASK           (1ULL << XSTATE_XTILE_CFG_BIT)
    569 #define XSTATE_XTILE_DATA_MASK          (1ULL << XSTATE_XTILE_DATA_BIT)
    570 
    571 #define XSTATE_DYNAMIC_MASK             (XSTATE_XTILE_DATA_MASK)
    572 
    573 #define ESA_FEATURE_ALIGN64_BIT         1
    574 #define ESA_FEATURE_XFD_BIT             2
    575 
    576 #define ESA_FEATURE_ALIGN64_MASK        (1U << ESA_FEATURE_ALIGN64_BIT)
    577 #define ESA_FEATURE_XFD_MASK            (1U << ESA_FEATURE_XFD_BIT)
    578 
    579 
    580 /* CPUID feature bits available in XCR0 */
    581 #define CPUID_XSTATE_XCR0_MASK  (XSTATE_FP_MASK | XSTATE_SSE_MASK | \
    582                                  XSTATE_YMM_MASK | XSTATE_BNDREGS_MASK | \
    583                                  XSTATE_BNDCSR_MASK | XSTATE_OPMASK_MASK | \
    584                                  XSTATE_ZMM_Hi256_MASK | \
    585                                  XSTATE_Hi16_ZMM_MASK | XSTATE_PKRU_MASK | \
    586                                  XSTATE_XTILE_CFG_MASK | XSTATE_XTILE_DATA_MASK)
    587 
    588 /* CPUID feature words */
    589 typedef enum FeatureWord {
    590     FEAT_1_EDX,         /* CPUID[1].EDX */
    591     FEAT_1_ECX,         /* CPUID[1].ECX */
    592     FEAT_7_0_EBX,       /* CPUID[EAX=7,ECX=0].EBX */
    593     FEAT_7_0_ECX,       /* CPUID[EAX=7,ECX=0].ECX */
    594     FEAT_7_0_EDX,       /* CPUID[EAX=7,ECX=0].EDX */
    595     FEAT_7_1_EAX,       /* CPUID[EAX=7,ECX=1].EAX */
    596     FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
    597     FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
    598     FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
    599     FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
    600     FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
    601     FEAT_KVM,           /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
    602     FEAT_KVM_HINTS,     /* CPUID[4000_0001].EDX */
    603     FEAT_SVM,           /* CPUID[8000_000A].EDX */
    604     FEAT_XSAVE,         /* CPUID[EAX=0xd,ECX=1].EAX */
    605     FEAT_6_EAX,         /* CPUID[6].EAX */
    606     FEAT_XSAVE_XCR0_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
    607     FEAT_XSAVE_XCR0_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
    608     FEAT_ARCH_CAPABILITIES,
    609     FEAT_CORE_CAPABILITY,
    610     FEAT_PERF_CAPABILITIES,
    611     FEAT_VMX_PROCBASED_CTLS,
    612     FEAT_VMX_SECONDARY_CTLS,
    613     FEAT_VMX_PINBASED_CTLS,
    614     FEAT_VMX_EXIT_CTLS,
    615     FEAT_VMX_ENTRY_CTLS,
    616     FEAT_VMX_MISC,
    617     FEAT_VMX_EPT_VPID_CAPS,
    618     FEAT_VMX_BASIC,
    619     FEAT_VMX_VMFUNC,
    620     FEAT_14_0_ECX,
    621     FEAT_SGX_12_0_EAX,  /* CPUID[EAX=0x12,ECX=0].EAX (SGX) */
    622     FEAT_SGX_12_0_EBX,  /* CPUID[EAX=0x12,ECX=0].EBX (SGX MISCSELECT[31:0]) */
    623     FEAT_SGX_12_1_EAX,  /* CPUID[EAX=0x12,ECX=1].EAX (SGX ATTRIBUTES[31:0]) */
    624     FEAT_XSAVE_XSS_LO,     /* CPUID[EAX=0xd,ECX=1].ECX */
    625     FEAT_XSAVE_XSS_HI,     /* CPUID[EAX=0xd,ECX=1].EDX */
    626     FEATURE_WORDS,
    627 } FeatureWord;
    628 
    629 typedef uint64_t FeatureWordArray[FEATURE_WORDS];
    630 uint64_t x86_cpu_get_supported_feature_word(FeatureWord w,
    631                                             bool migratable_only);
    632 
    633 /* cpuid_features bits */
    634 #define CPUID_FP87 (1U << 0)
    635 #define CPUID_VME  (1U << 1)
    636 #define CPUID_DE   (1U << 2)
    637 #define CPUID_PSE  (1U << 3)
    638 #define CPUID_TSC  (1U << 4)
    639 #define CPUID_MSR  (1U << 5)
    640 #define CPUID_PAE  (1U << 6)
    641 #define CPUID_MCE  (1U << 7)
    642 #define CPUID_CX8  (1U << 8)
    643 #define CPUID_APIC (1U << 9)
    644 #define CPUID_SEP  (1U << 11) /* sysenter/sysexit */
    645 #define CPUID_MTRR (1U << 12)
    646 #define CPUID_PGE  (1U << 13)
    647 #define CPUID_MCA  (1U << 14)
    648 #define CPUID_CMOV (1U << 15)
    649 #define CPUID_PAT  (1U << 16)
    650 #define CPUID_PSE36   (1U << 17)
    651 #define CPUID_PN   (1U << 18)
    652 #define CPUID_CLFLUSH (1U << 19)
    653 #define CPUID_DTS (1U << 21)
    654 #define CPUID_ACPI (1U << 22)
    655 #define CPUID_MMX  (1U << 23)
    656 #define CPUID_FXSR (1U << 24)
    657 #define CPUID_SSE  (1U << 25)
    658 #define CPUID_SSE2 (1U << 26)
    659 #define CPUID_SS (1U << 27)
    660 #define CPUID_HT (1U << 28)
    661 #define CPUID_TM (1U << 29)
    662 #define CPUID_IA64 (1U << 30)
    663 #define CPUID_PBE (1U << 31)
    664 
    665 #define CPUID_EXT_SSE3     (1U << 0)
    666 #define CPUID_EXT_PCLMULQDQ (1U << 1)
    667 #define CPUID_EXT_DTES64   (1U << 2)
    668 #define CPUID_EXT_MONITOR  (1U << 3)
    669 #define CPUID_EXT_DSCPL    (1U << 4)
    670 #define CPUID_EXT_VMX      (1U << 5)
    671 #define CPUID_EXT_SMX      (1U << 6)
    672 #define CPUID_EXT_EST      (1U << 7)
    673 #define CPUID_EXT_TM2      (1U << 8)
    674 #define CPUID_EXT_SSSE3    (1U << 9)
    675 #define CPUID_EXT_CID      (1U << 10)
    676 #define CPUID_EXT_FMA      (1U << 12)
    677 #define CPUID_EXT_CX16     (1U << 13)
    678 #define CPUID_EXT_XTPR     (1U << 14)
    679 #define CPUID_EXT_PDCM     (1U << 15)
    680 #define CPUID_EXT_PCID     (1U << 17)
    681 #define CPUID_EXT_DCA      (1U << 18)
    682 #define CPUID_EXT_SSE41    (1U << 19)
    683 #define CPUID_EXT_SSE42    (1U << 20)
    684 #define CPUID_EXT_X2APIC   (1U << 21)
    685 #define CPUID_EXT_MOVBE    (1U << 22)
    686 #define CPUID_EXT_POPCNT   (1U << 23)
    687 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
    688 #define CPUID_EXT_AES      (1U << 25)
    689 #define CPUID_EXT_XSAVE    (1U << 26)
    690 #define CPUID_EXT_OSXSAVE  (1U << 27)
    691 #define CPUID_EXT_AVX      (1U << 28)
    692 #define CPUID_EXT_F16C     (1U << 29)
    693 #define CPUID_EXT_RDRAND   (1U << 30)
    694 #define CPUID_EXT_HYPERVISOR  (1U << 31)
    695 
    696 #define CPUID_EXT2_FPU     (1U << 0)
    697 #define CPUID_EXT2_VME     (1U << 1)
    698 #define CPUID_EXT2_DE      (1U << 2)
    699 #define CPUID_EXT2_PSE     (1U << 3)
    700 #define CPUID_EXT2_TSC     (1U << 4)
    701 #define CPUID_EXT2_MSR     (1U << 5)
    702 #define CPUID_EXT2_PAE     (1U << 6)
    703 #define CPUID_EXT2_MCE     (1U << 7)
    704 #define CPUID_EXT2_CX8     (1U << 8)
    705 #define CPUID_EXT2_APIC    (1U << 9)
    706 #define CPUID_EXT2_SYSCALL (1U << 11)
    707 #define CPUID_EXT2_MTRR    (1U << 12)
    708 #define CPUID_EXT2_PGE     (1U << 13)
    709 #define CPUID_EXT2_MCA     (1U << 14)
    710 #define CPUID_EXT2_CMOV    (1U << 15)
    711 #define CPUID_EXT2_PAT     (1U << 16)
    712 #define CPUID_EXT2_PSE36   (1U << 17)
    713 #define CPUID_EXT2_MP      (1U << 19)
    714 #define CPUID_EXT2_NX      (1U << 20)
    715 #define CPUID_EXT2_MMXEXT  (1U << 22)
    716 #define CPUID_EXT2_MMX     (1U << 23)
    717 #define CPUID_EXT2_FXSR    (1U << 24)
    718 #define CPUID_EXT2_FFXSR   (1U << 25)
    719 #define CPUID_EXT2_PDPE1GB (1U << 26)
    720 #define CPUID_EXT2_RDTSCP  (1U << 27)
    721 #define CPUID_EXT2_LM      (1U << 29)
    722 #define CPUID_EXT2_3DNOWEXT (1U << 30)
    723 #define CPUID_EXT2_3DNOW   (1U << 31)
    724 
    725 /* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */
    726 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
    727                                 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
    728                                 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
    729                                 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
    730                                 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
    731                                 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
    732                                 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
    733                                 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
    734                                 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
    735 
    736 #define CPUID_EXT3_LAHF_LM (1U << 0)
    737 #define CPUID_EXT3_CMP_LEG (1U << 1)
    738 #define CPUID_EXT3_SVM     (1U << 2)
    739 #define CPUID_EXT3_EXTAPIC (1U << 3)
    740 #define CPUID_EXT3_CR8LEG  (1U << 4)
    741 #define CPUID_EXT3_ABM     (1U << 5)
    742 #define CPUID_EXT3_SSE4A   (1U << 6)
    743 #define CPUID_EXT3_MISALIGNSSE (1U << 7)
    744 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
    745 #define CPUID_EXT3_OSVW    (1U << 9)
    746 #define CPUID_EXT3_IBS     (1U << 10)
    747 #define CPUID_EXT3_XOP     (1U << 11)
    748 #define CPUID_EXT3_SKINIT  (1U << 12)
    749 #define CPUID_EXT3_WDT     (1U << 13)
    750 #define CPUID_EXT3_LWP     (1U << 15)
    751 #define CPUID_EXT3_FMA4    (1U << 16)
    752 #define CPUID_EXT3_TCE     (1U << 17)
    753 #define CPUID_EXT3_NODEID  (1U << 19)
    754 #define CPUID_EXT3_TBM     (1U << 21)
    755 #define CPUID_EXT3_TOPOEXT (1U << 22)
    756 #define CPUID_EXT3_PERFCORE (1U << 23)
    757 #define CPUID_EXT3_PERFNB  (1U << 24)
    758 
    759 #define CPUID_SVM_NPT             (1U << 0)
    760 #define CPUID_SVM_LBRV            (1U << 1)
    761 #define CPUID_SVM_SVMLOCK         (1U << 2)
    762 #define CPUID_SVM_NRIPSAVE        (1U << 3)
    763 #define CPUID_SVM_TSCSCALE        (1U << 4)
    764 #define CPUID_SVM_VMCBCLEAN       (1U << 5)
    765 #define CPUID_SVM_FLUSHASID       (1U << 6)
    766 #define CPUID_SVM_DECODEASSIST    (1U << 7)
    767 #define CPUID_SVM_PAUSEFILTER     (1U << 10)
    768 #define CPUID_SVM_PFTHRESHOLD     (1U << 12)
    769 #define CPUID_SVM_AVIC            (1U << 13)
    770 #define CPUID_SVM_V_VMSAVE_VMLOAD (1U << 15)
    771 #define CPUID_SVM_VGIF            (1U << 16)
    772 #define CPUID_SVM_SVME_ADDR_CHK   (1U << 28)
    773 
    774 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
    775 #define CPUID_7_0_EBX_FSGSBASE          (1U << 0)
    776 /* Support SGX */
    777 #define CPUID_7_0_EBX_SGX               (1U << 2)
    778 /* 1st Group of Advanced Bit Manipulation Extensions */
    779 #define CPUID_7_0_EBX_BMI1              (1U << 3)
    780 /* Hardware Lock Elision */
    781 #define CPUID_7_0_EBX_HLE               (1U << 4)
    782 /* Intel Advanced Vector Extensions 2 */
    783 #define CPUID_7_0_EBX_AVX2              (1U << 5)
    784 /* Supervisor-mode Execution Prevention */
    785 #define CPUID_7_0_EBX_SMEP              (1U << 7)
    786 /* 2nd Group of Advanced Bit Manipulation Extensions */
    787 #define CPUID_7_0_EBX_BMI2              (1U << 8)
    788 /* Enhanced REP MOVSB/STOSB */
    789 #define CPUID_7_0_EBX_ERMS              (1U << 9)
    790 /* Invalidate Process-Context Identifier */
    791 #define CPUID_7_0_EBX_INVPCID           (1U << 10)
    792 /* Restricted Transactional Memory */
    793 #define CPUID_7_0_EBX_RTM               (1U << 11)
    794 /* Memory Protection Extension */
    795 #define CPUID_7_0_EBX_MPX               (1U << 14)
    796 /* AVX-512 Foundation */
    797 #define CPUID_7_0_EBX_AVX512F           (1U << 16)
    798 /* AVX-512 Doubleword & Quadword Instruction */
    799 #define CPUID_7_0_EBX_AVX512DQ          (1U << 17)
    800 /* Read Random SEED */
    801 #define CPUID_7_0_EBX_RDSEED            (1U << 18)
    802 /* ADCX and ADOX instructions */
    803 #define CPUID_7_0_EBX_ADX               (1U << 19)
    804 /* Supervisor Mode Access Prevention */
    805 #define CPUID_7_0_EBX_SMAP              (1U << 20)
    806 /* AVX-512 Integer Fused Multiply Add */
    807 #define CPUID_7_0_EBX_AVX512IFMA        (1U << 21)
    808 /* Persistent Commit */
    809 #define CPUID_7_0_EBX_PCOMMIT           (1U << 22)
    810 /* Flush a Cache Line Optimized */
    811 #define CPUID_7_0_EBX_CLFLUSHOPT        (1U << 23)
    812 /* Cache Line Write Back */
    813 #define CPUID_7_0_EBX_CLWB              (1U << 24)
    814 /* Intel Processor Trace */
    815 #define CPUID_7_0_EBX_INTEL_PT          (1U << 25)
    816 /* AVX-512 Prefetch */
    817 #define CPUID_7_0_EBX_AVX512PF          (1U << 26)
    818 /* AVX-512 Exponential and Reciprocal */
    819 #define CPUID_7_0_EBX_AVX512ER          (1U << 27)
    820 /* AVX-512 Conflict Detection */
    821 #define CPUID_7_0_EBX_AVX512CD          (1U << 28)
    822 /* SHA1/SHA256 Instruction Extensions */
    823 #define CPUID_7_0_EBX_SHA_NI            (1U << 29)
    824 /* AVX-512 Byte and Word Instructions */
    825 #define CPUID_7_0_EBX_AVX512BW          (1U << 30)
    826 /* AVX-512 Vector Length Extensions */
    827 #define CPUID_7_0_EBX_AVX512VL          (1U << 31)
    828 
    829 /* AVX-512 Vector Byte Manipulation Instruction */
    830 #define CPUID_7_0_ECX_AVX512_VBMI       (1U << 1)
    831 /* User-Mode Instruction Prevention */
    832 #define CPUID_7_0_ECX_UMIP              (1U << 2)
    833 /* Protection Keys for User-mode Pages */
    834 #define CPUID_7_0_ECX_PKU               (1U << 3)
    835 /* OS Enable Protection Keys */
    836 #define CPUID_7_0_ECX_OSPKE             (1U << 4)
    837 /* UMONITOR/UMWAIT/TPAUSE Instructions */
    838 #define CPUID_7_0_ECX_WAITPKG           (1U << 5)
    839 /* Additional AVX-512 Vector Byte Manipulation Instruction */
    840 #define CPUID_7_0_ECX_AVX512_VBMI2      (1U << 6)
    841 /* Galois Field New Instructions */
    842 #define CPUID_7_0_ECX_GFNI              (1U << 8)
    843 /* Vector AES Instructions */
    844 #define CPUID_7_0_ECX_VAES              (1U << 9)
    845 /* Carry-Less Multiplication Quadword */
    846 #define CPUID_7_0_ECX_VPCLMULQDQ        (1U << 10)
    847 /* Vector Neural Network Instructions */
    848 #define CPUID_7_0_ECX_AVX512VNNI        (1U << 11)
    849 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
    850 #define CPUID_7_0_ECX_AVX512BITALG      (1U << 12)
    851 /* POPCNT for vectors of DW/QW */
    852 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ  (1U << 14)
    853 /* 5-level Page Tables */
    854 #define CPUID_7_0_ECX_LA57              (1U << 16)
    855 /* Read Processor ID */
    856 #define CPUID_7_0_ECX_RDPID             (1U << 22)
    857 /* Bus Lock Debug Exception */
    858 #define CPUID_7_0_ECX_BUS_LOCK_DETECT   (1U << 24)
    859 /* Cache Line Demote Instruction */
    860 #define CPUID_7_0_ECX_CLDEMOTE          (1U << 25)
    861 /* Move Doubleword as Direct Store Instruction */
    862 #define CPUID_7_0_ECX_MOVDIRI           (1U << 27)
    863 /* Move 64 Bytes as Direct Store Instruction */
    864 #define CPUID_7_0_ECX_MOVDIR64B         (1U << 28)
    865 /* Support SGX Launch Control */
    866 #define CPUID_7_0_ECX_SGX_LC            (1U << 30)
    867 /* Protection Keys for Supervisor-mode Pages */
    868 #define CPUID_7_0_ECX_PKS               (1U << 31)
    869 
    870 /* AVX512 Neural Network Instructions */
    871 #define CPUID_7_0_EDX_AVX512_4VNNIW     (1U << 2)
    872 /* AVX512 Multiply Accumulation Single Precision */
    873 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
    874 /* Fast Short Rep Mov */
    875 #define CPUID_7_0_EDX_FSRM              (1U << 4)
    876 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */
    877 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8)
    878 /* SERIALIZE instruction */
    879 #define CPUID_7_0_EDX_SERIALIZE         (1U << 14)
    880 /* TSX Suspend Load Address Tracking instruction */
    881 #define CPUID_7_0_EDX_TSX_LDTRK         (1U << 16)
    882 /* Architectural LBRs */
    883 #define CPUID_7_0_EDX_ARCH_LBR          (1U << 19)
    884 /* AVX512_FP16 instruction */
    885 #define CPUID_7_0_EDX_AVX512_FP16       (1U << 23)
    886 /* AMX tile (two-dimensional register) */
    887 #define CPUID_7_0_EDX_AMX_TILE          (1U << 24)
    888 /* Speculation Control */
    889 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
    890 /* Single Thread Indirect Branch Predictors */
    891 #define CPUID_7_0_EDX_STIBP             (1U << 27)
    892 /* Arch Capabilities */
    893 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
    894 /* Core Capability */
    895 #define CPUID_7_0_EDX_CORE_CAPABILITY   (1U << 30)
    896 /* Speculative Store Bypass Disable */
    897 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD    (1U << 31)
    898 
    899 /* AVX VNNI Instruction */
    900 #define CPUID_7_1_EAX_AVX_VNNI          (1U << 4)
    901 /* AVX512 BFloat16 Instruction */
    902 #define CPUID_7_1_EAX_AVX512_BF16       (1U << 5)
    903 /* XFD Extend Feature Disabled */
    904 #define CPUID_D_1_EAX_XFD               (1U << 4)
    905 
    906 /* Packets which contain IP payload have LIP values */
    907 #define CPUID_14_0_ECX_LIP              (1U << 31)
    908 
    909 /* CLZERO instruction */
    910 #define CPUID_8000_0008_EBX_CLZERO      (1U << 0)
    911 /* Always save/restore FP error pointers */
    912 #define CPUID_8000_0008_EBX_XSAVEERPTR  (1U << 2)
    913 /* Write back and do not invalidate cache */
    914 #define CPUID_8000_0008_EBX_WBNOINVD    (1U << 9)
    915 /* Indirect Branch Prediction Barrier */
    916 #define CPUID_8000_0008_EBX_IBPB        (1U << 12)
    917 /* Indirect Branch Restricted Speculation */
    918 #define CPUID_8000_0008_EBX_IBRS        (1U << 14)
    919 /* Single Thread Indirect Branch Predictors */
    920 #define CPUID_8000_0008_EBX_STIBP       (1U << 15)
    921 /* Speculative Store Bypass Disable */
    922 #define CPUID_8000_0008_EBX_AMD_SSBD    (1U << 24)
    923 
    924 #define CPUID_XSAVE_XSAVEOPT   (1U << 0)
    925 #define CPUID_XSAVE_XSAVEC     (1U << 1)
    926 #define CPUID_XSAVE_XGETBV1    (1U << 2)
    927 #define CPUID_XSAVE_XSAVES     (1U << 3)
    928 
    929 #define CPUID_6_EAX_ARAT       (1U << 2)
    930 
    931 /* CPUID[0x80000007].EDX flags: */
    932 #define CPUID_APM_INVTSC       (1U << 8)
    933 
    934 #define CPUID_VENDOR_SZ      12
    935 
    936 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
    937 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
    938 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
    939 #define CPUID_VENDOR_INTEL "GenuineIntel"
    940 
    941 #define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
    942 #define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */
    943 #define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
    944 #define CPUID_VENDOR_AMD   "AuthenticAMD"
    945 
    946 #define CPUID_VENDOR_VIA   "CentaurHauls"
    947 
    948 #define CPUID_VENDOR_HYGON    "HygonGenuine"
    949 
    950 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
    951                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
    952                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
    953 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
    954                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
    955                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
    956 
    957 #define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
    958 #define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */
    959 
    960 /* CPUID[0xB].ECX level types */
    961 #define CPUID_TOPOLOGY_LEVEL_INVALID  (0U << 8)
    962 #define CPUID_TOPOLOGY_LEVEL_SMT      (1U << 8)
    963 #define CPUID_TOPOLOGY_LEVEL_CORE     (2U << 8)
    964 #define CPUID_TOPOLOGY_LEVEL_DIE      (5U << 8)
    965 
    966 /* MSR Feature Bits */
    967 #define MSR_ARCH_CAP_RDCL_NO            (1U << 0)
    968 #define MSR_ARCH_CAP_IBRS_ALL           (1U << 1)
    969 #define MSR_ARCH_CAP_RSBA               (1U << 2)
    970 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
    971 #define MSR_ARCH_CAP_SSB_NO             (1U << 4)
    972 #define MSR_ARCH_CAP_MDS_NO             (1U << 5)
    973 #define MSR_ARCH_CAP_PSCHANGE_MC_NO     (1U << 6)
    974 #define MSR_ARCH_CAP_TSX_CTRL_MSR       (1U << 7)
    975 #define MSR_ARCH_CAP_TAA_NO             (1U << 8)
    976 
    977 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT  (1U << 5)
    978 
    979 /* VMX MSR features */
    980 #define MSR_VMX_BASIC_VMCS_REVISION_MASK             0x7FFFFFFFull
    981 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK         (0x00001FFFull << 32)
    982 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK             (0x003C0000ull << 32)
    983 #define MSR_VMX_BASIC_DUAL_MONITOR                   (1ULL << 49)
    984 #define MSR_VMX_BASIC_INS_OUTS                       (1ULL << 54)
    985 #define MSR_VMX_BASIC_TRUE_CTLS                      (1ULL << 55)
    986 
    987 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK     0x1Full
    988 #define MSR_VMX_MISC_STORE_LMA                       (1ULL << 5)
    989 #define MSR_VMX_MISC_ACTIVITY_HLT                    (1ULL << 6)
    990 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN               (1ULL << 7)
    991 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI              (1ULL << 8)
    992 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK          0x0E000000ull
    993 #define MSR_VMX_MISC_VMWRITE_VMEXIT                  (1ULL << 29)
    994 #define MSR_VMX_MISC_ZERO_LEN_INJECT                 (1ULL << 30)
    995 
    996 #define MSR_VMX_EPT_EXECONLY                         (1ULL << 0)
    997 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4               (1ULL << 6)
    998 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5               (1ULL << 7)
    999 #define MSR_VMX_EPT_UC                               (1ULL << 8)
   1000 #define MSR_VMX_EPT_WB                               (1ULL << 14)
   1001 #define MSR_VMX_EPT_2MB                              (1ULL << 16)
   1002 #define MSR_VMX_EPT_1GB                              (1ULL << 17)
   1003 #define MSR_VMX_EPT_INVEPT                           (1ULL << 20)
   1004 #define MSR_VMX_EPT_AD_BITS                          (1ULL << 21)
   1005 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO             (1ULL << 22)
   1006 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT            (1ULL << 25)
   1007 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT               (1ULL << 26)
   1008 #define MSR_VMX_EPT_INVVPID                          (1ULL << 32)
   1009 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR              (1ULL << 40)
   1010 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT           (1ULL << 41)
   1011 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT              (1ULL << 42)
   1012 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
   1013 
   1014 #define MSR_VMX_VMFUNC_EPT_SWITCHING                 (1ULL << 0)
   1015 
   1016 
   1017 /* VMX controls */
   1018 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
   1019 #define VMX_CPU_BASED_USE_TSC_OFFSETING             0x00000008
   1020 #define VMX_CPU_BASED_HLT_EXITING                   0x00000080
   1021 #define VMX_CPU_BASED_INVLPG_EXITING                0x00000200
   1022 #define VMX_CPU_BASED_MWAIT_EXITING                 0x00000400
   1023 #define VMX_CPU_BASED_RDPMC_EXITING                 0x00000800
   1024 #define VMX_CPU_BASED_RDTSC_EXITING                 0x00001000
   1025 #define VMX_CPU_BASED_CR3_LOAD_EXITING              0x00008000
   1026 #define VMX_CPU_BASED_CR3_STORE_EXITING             0x00010000
   1027 #define VMX_CPU_BASED_CR8_LOAD_EXITING              0x00080000
   1028 #define VMX_CPU_BASED_CR8_STORE_EXITING             0x00100000
   1029 #define VMX_CPU_BASED_TPR_SHADOW                    0x00200000
   1030 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING           0x00400000
   1031 #define VMX_CPU_BASED_MOV_DR_EXITING                0x00800000
   1032 #define VMX_CPU_BASED_UNCOND_IO_EXITING             0x01000000
   1033 #define VMX_CPU_BASED_USE_IO_BITMAPS                0x02000000
   1034 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
   1035 #define VMX_CPU_BASED_USE_MSR_BITMAPS               0x10000000
   1036 #define VMX_CPU_BASED_MONITOR_EXITING               0x20000000
   1037 #define VMX_CPU_BASED_PAUSE_EXITING                 0x40000000
   1038 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
   1039 
   1040 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
   1041 #define VMX_SECONDARY_EXEC_ENABLE_EPT               0x00000002
   1042 #define VMX_SECONDARY_EXEC_DESC                     0x00000004
   1043 #define VMX_SECONDARY_EXEC_RDTSCP                   0x00000008
   1044 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   0x00000010
   1045 #define VMX_SECONDARY_EXEC_ENABLE_VPID              0x00000020
   1046 #define VMX_SECONDARY_EXEC_WBINVD_EXITING           0x00000040
   1047 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST       0x00000080
   1048 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
   1049 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
   1050 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING       0x00000400
   1051 #define VMX_SECONDARY_EXEC_RDRAND_EXITING           0x00000800
   1052 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID           0x00001000
   1053 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
   1054 #define VMX_SECONDARY_EXEC_SHADOW_VMCS              0x00004000
   1055 #define VMX_SECONDARY_EXEC_ENCLS_EXITING            0x00008000
   1056 #define VMX_SECONDARY_EXEC_RDSEED_EXITING           0x00010000
   1057 #define VMX_SECONDARY_EXEC_ENABLE_PML               0x00020000
   1058 #define VMX_SECONDARY_EXEC_XSAVES                   0x00100000
   1059 #define VMX_SECONDARY_EXEC_TSC_SCALING              0x02000000
   1060 
   1061 #define VMX_PIN_BASED_EXT_INTR_MASK                 0x00000001
   1062 #define VMX_PIN_BASED_NMI_EXITING                   0x00000008
   1063 #define VMX_PIN_BASED_VIRTUAL_NMIS                  0x00000020
   1064 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
   1065 #define VMX_PIN_BASED_POSTED_INTR                   0x00000080
   1066 
   1067 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
   1068 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
   1069 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
   1070 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
   1071 #define VMX_VM_EXIT_SAVE_IA32_PAT                   0x00040000
   1072 #define VMX_VM_EXIT_LOAD_IA32_PAT                   0x00080000
   1073 #define VMX_VM_EXIT_SAVE_IA32_EFER                  0x00100000
   1074 #define VMX_VM_EXIT_LOAD_IA32_EFER                  0x00200000
   1075 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
   1076 #define VMX_VM_EXIT_CLEAR_BNDCFGS                   0x00800000
   1077 #define VMX_VM_EXIT_PT_CONCEAL_PIP                  0x01000000
   1078 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL             0x02000000
   1079 #define VMX_VM_EXIT_LOAD_IA32_PKRS                  0x20000000
   1080 
   1081 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
   1082 #define VMX_VM_ENTRY_IA32E_MODE                     0x00000200
   1083 #define VMX_VM_ENTRY_SMM                            0x00000400
   1084 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
   1085 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
   1086 #define VMX_VM_ENTRY_LOAD_IA32_PAT                  0x00004000
   1087 #define VMX_VM_ENTRY_LOAD_IA32_EFER                 0x00008000
   1088 #define VMX_VM_ENTRY_LOAD_BNDCFGS                   0x00010000
   1089 #define VMX_VM_ENTRY_PT_CONCEAL_PIP                 0x00020000
   1090 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL             0x00040000
   1091 #define VMX_VM_ENTRY_LOAD_IA32_PKRS                 0x00400000
   1092 
   1093 /* Supported Hyper-V Enlightenments */
   1094 #define HYPERV_FEAT_RELAXED             0
   1095 #define HYPERV_FEAT_VAPIC               1
   1096 #define HYPERV_FEAT_TIME                2
   1097 #define HYPERV_FEAT_CRASH               3
   1098 #define HYPERV_FEAT_RESET               4
   1099 #define HYPERV_FEAT_VPINDEX             5
   1100 #define HYPERV_FEAT_RUNTIME             6
   1101 #define HYPERV_FEAT_SYNIC               7
   1102 #define HYPERV_FEAT_STIMER              8
   1103 #define HYPERV_FEAT_FREQUENCIES         9
   1104 #define HYPERV_FEAT_REENLIGHTENMENT     10
   1105 #define HYPERV_FEAT_TLBFLUSH            11
   1106 #define HYPERV_FEAT_EVMCS               12
   1107 #define HYPERV_FEAT_IPI                 13
   1108 #define HYPERV_FEAT_STIMER_DIRECT       14
   1109 #define HYPERV_FEAT_AVIC                15
   1110 #define HYPERV_FEAT_SYNDBG              16
   1111 #define HYPERV_FEAT_MSR_BITMAP          17
   1112 #define HYPERV_FEAT_XMM_INPUT           18
   1113 #define HYPERV_FEAT_TLBFLUSH_EXT        19
   1114 #define HYPERV_FEAT_TLBFLUSH_DIRECT     20
   1115 
   1116 #ifndef HYPERV_SPINLOCK_NEVER_NOTIFY
   1117 #define HYPERV_SPINLOCK_NEVER_NOTIFY             0xFFFFFFFF
   1118 #endif
   1119 
   1120 #define EXCP00_DIVZ	0
   1121 #define EXCP01_DB	1
   1122 #define EXCP02_NMI	2
   1123 #define EXCP03_INT3	3
   1124 #define EXCP04_INTO	4
   1125 #define EXCP05_BOUND	5
   1126 #define EXCP06_ILLOP	6
   1127 #define EXCP07_PREX	7
   1128 #define EXCP08_DBLE	8
   1129 #define EXCP09_XERR	9
   1130 #define EXCP0A_TSS	10
   1131 #define EXCP0B_NOSEG	11
   1132 #define EXCP0C_STACK	12
   1133 #define EXCP0D_GPF	13
   1134 #define EXCP0E_PAGE	14
   1135 #define EXCP10_COPR	16
   1136 #define EXCP11_ALGN	17
   1137 #define EXCP12_MCHK	18
   1138 
   1139 #define EXCP_VMEXIT     0x100 /* only for system emulation */
   1140 #define EXCP_SYSCALL    0x101 /* only for user emulation */
   1141 #define EXCP_VSYSCALL   0x102 /* only for user emulation */
   1142 
   1143 /* i386-specific interrupt pending bits.  */
   1144 #define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1
   1145 #define CPU_INTERRUPT_SMI       CPU_INTERRUPT_TGT_EXT_2
   1146 #define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
   1147 #define CPU_INTERRUPT_MCE       CPU_INTERRUPT_TGT_EXT_4
   1148 #define CPU_INTERRUPT_VIRQ      CPU_INTERRUPT_TGT_INT_0
   1149 #define CPU_INTERRUPT_SIPI      CPU_INTERRUPT_TGT_INT_1
   1150 #define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_2
   1151 
   1152 /* Use a clearer name for this.  */
   1153 #define CPU_INTERRUPT_INIT      CPU_INTERRUPT_RESET
   1154 
   1155 /* Instead of computing the condition codes after each x86 instruction,
   1156  * QEMU just stores one operand (called CC_SRC), the result
   1157  * (called CC_DST) and the type of operation (called CC_OP). When the
   1158  * condition codes are needed, the condition codes can be calculated
   1159  * using this information. Condition codes are not generated if they
   1160  * are only needed for conditional branches.
   1161  */
   1162 typedef enum {
   1163     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
   1164     CC_OP_EFLAGS,  /* all cc are explicitly computed, CC_SRC = flags */
   1165 
   1166     CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
   1167     CC_OP_MULW,
   1168     CC_OP_MULL,
   1169     CC_OP_MULQ,
   1170 
   1171     CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
   1172     CC_OP_ADDW,
   1173     CC_OP_ADDL,
   1174     CC_OP_ADDQ,
   1175 
   1176     CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
   1177     CC_OP_ADCW,
   1178     CC_OP_ADCL,
   1179     CC_OP_ADCQ,
   1180 
   1181     CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
   1182     CC_OP_SUBW,
   1183     CC_OP_SUBL,
   1184     CC_OP_SUBQ,
   1185 
   1186     CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
   1187     CC_OP_SBBW,
   1188     CC_OP_SBBL,
   1189     CC_OP_SBBQ,
   1190 
   1191     CC_OP_LOGICB, /* modify all flags, CC_DST = res */
   1192     CC_OP_LOGICW,
   1193     CC_OP_LOGICL,
   1194     CC_OP_LOGICQ,
   1195 
   1196     CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
   1197     CC_OP_INCW,
   1198     CC_OP_INCL,
   1199     CC_OP_INCQ,
   1200 
   1201     CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
   1202     CC_OP_DECW,
   1203     CC_OP_DECL,
   1204     CC_OP_DECQ,
   1205 
   1206     CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
   1207     CC_OP_SHLW,
   1208     CC_OP_SHLL,
   1209     CC_OP_SHLQ,
   1210 
   1211     CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
   1212     CC_OP_SARW,
   1213     CC_OP_SARL,
   1214     CC_OP_SARQ,
   1215 
   1216     CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
   1217     CC_OP_BMILGW,
   1218     CC_OP_BMILGL,
   1219     CC_OP_BMILGQ,
   1220 
   1221     CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest.  */
   1222     CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest.  */
   1223     CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest.  */
   1224 
   1225     CC_OP_CLR, /* Z set, all other flags clear.  */
   1226     CC_OP_POPCNT, /* Z via CC_SRC, all other flags clear.  */
   1227 
   1228     CC_OP_NB,
   1229 } CCOp;
   1230 
   1231 typedef struct SegmentCache {
   1232     uint32_t selector;
   1233     target_ulong base;
   1234     uint32_t limit;
   1235     uint32_t flags;
   1236 } SegmentCache;
   1237 
   1238 typedef union MMXReg {
   1239     uint8_t  _b_MMXReg[64 / 8];
   1240     uint16_t _w_MMXReg[64 / 16];
   1241     uint32_t _l_MMXReg[64 / 32];
   1242     uint64_t _q_MMXReg[64 / 64];
   1243     float32  _s_MMXReg[64 / 32];
   1244     float64  _d_MMXReg[64 / 64];
   1245 } MMXReg;
   1246 
   1247 typedef union XMMReg {
   1248     uint64_t _q_XMMReg[128 / 64];
   1249 } XMMReg;
   1250 
   1251 typedef union YMMReg {
   1252     uint64_t _q_YMMReg[256 / 64];
   1253     XMMReg   _x_YMMReg[256 / 128];
   1254 } YMMReg;
   1255 
   1256 typedef union ZMMReg {
   1257     uint8_t  _b_ZMMReg[512 / 8];
   1258     uint16_t _w_ZMMReg[512 / 16];
   1259     uint32_t _l_ZMMReg[512 / 32];
   1260     uint64_t _q_ZMMReg[512 / 64];
   1261     float16  _h_ZMMReg[512 / 16];
   1262     float32  _s_ZMMReg[512 / 32];
   1263     float64  _d_ZMMReg[512 / 64];
   1264     XMMReg   _x_ZMMReg[512 / 128];
   1265     YMMReg   _y_ZMMReg[512 / 256];
   1266 } ZMMReg;
   1267 
   1268 typedef struct BNDReg {
   1269     uint64_t lb;
   1270     uint64_t ub;
   1271 } BNDReg;
   1272 
   1273 typedef struct BNDCSReg {
   1274     uint64_t cfgu;
   1275     uint64_t sts;
   1276 } BNDCSReg;
   1277 
   1278 #define BNDCFG_ENABLE       1ULL
   1279 #define BNDCFG_BNDPRESERVE  2ULL
   1280 #define BNDCFG_BDIR_MASK    TARGET_PAGE_MASK
   1281 
   1282 #if HOST_BIG_ENDIAN
   1283 #define ZMM_B(n) _b_ZMMReg[63 - (n)]
   1284 #define ZMM_W(n) _w_ZMMReg[31 - (n)]
   1285 #define ZMM_L(n) _l_ZMMReg[15 - (n)]
   1286 #define ZMM_H(n) _h_ZMMReg[31 - (n)]
   1287 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
   1288 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
   1289 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
   1290 #define ZMM_X(n) _x_ZMMReg[3 - (n)]
   1291 #define ZMM_Y(n) _y_ZMMReg[1 - (n)]
   1292 
   1293 #define XMM_Q(n) _q_XMMReg[1 - (n)]
   1294 
   1295 #define YMM_Q(n) _q_YMMReg[3 - (n)]
   1296 #define YMM_X(n) _x_YMMReg[1 - (n)]
   1297 
   1298 #define MMX_B(n) _b_MMXReg[7 - (n)]
   1299 #define MMX_W(n) _w_MMXReg[3 - (n)]
   1300 #define MMX_L(n) _l_MMXReg[1 - (n)]
   1301 #define MMX_S(n) _s_MMXReg[1 - (n)]
   1302 #else
   1303 #define ZMM_B(n) _b_ZMMReg[n]
   1304 #define ZMM_W(n) _w_ZMMReg[n]
   1305 #define ZMM_L(n) _l_ZMMReg[n]
   1306 #define ZMM_H(n) _h_ZMMReg[n]
   1307 #define ZMM_S(n) _s_ZMMReg[n]
   1308 #define ZMM_Q(n) _q_ZMMReg[n]
   1309 #define ZMM_D(n) _d_ZMMReg[n]
   1310 #define ZMM_X(n) _x_ZMMReg[n]
   1311 #define ZMM_Y(n) _y_ZMMReg[n]
   1312 
   1313 #define XMM_Q(n) _q_XMMReg[n]
   1314 
   1315 #define YMM_Q(n) _q_YMMReg[n]
   1316 #define YMM_X(n) _x_YMMReg[n]
   1317 
   1318 #define MMX_B(n) _b_MMXReg[n]
   1319 #define MMX_W(n) _w_MMXReg[n]
   1320 #define MMX_L(n) _l_MMXReg[n]
   1321 #define MMX_S(n) _s_MMXReg[n]
   1322 #endif
   1323 #define MMX_Q(n) _q_MMXReg[n]
   1324 
   1325 typedef union {
   1326     floatx80 d __attribute__((aligned(16)));
   1327     MMXReg mmx;
   1328 } FPReg;
   1329 
   1330 typedef struct {
   1331     uint64_t base;
   1332     uint64_t mask;
   1333 } MTRRVar;
   1334 
   1335 #define CPU_NB_REGS64 16
   1336 #define CPU_NB_REGS32 8
   1337 
   1338 #ifdef TARGET_X86_64
   1339 #define CPU_NB_REGS CPU_NB_REGS64
   1340 #else
   1341 #define CPU_NB_REGS CPU_NB_REGS32
   1342 #endif
   1343 
   1344 #define MAX_FIXED_COUNTERS 3
   1345 #define MAX_GP_COUNTERS    (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
   1346 
   1347 #define TARGET_INSN_START_EXTRA_WORDS 1
   1348 
   1349 #define NB_OPMASK_REGS 8
   1350 
   1351 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
   1352  * that APIC ID hasn't been set yet
   1353  */
   1354 #define UNASSIGNED_APIC_ID 0xFFFFFFFF
   1355 
   1356 typedef union X86LegacyXSaveArea {
   1357     struct {
   1358         uint16_t fcw;
   1359         uint16_t fsw;
   1360         uint8_t ftw;
   1361         uint8_t reserved;
   1362         uint16_t fpop;
   1363         uint64_t fpip;
   1364         uint64_t fpdp;
   1365         uint32_t mxcsr;
   1366         uint32_t mxcsr_mask;
   1367         FPReg fpregs[8];
   1368         uint8_t xmm_regs[16][16];
   1369     };
   1370     uint8_t data[512];
   1371 } X86LegacyXSaveArea;
   1372 
   1373 typedef struct X86XSaveHeader {
   1374     uint64_t xstate_bv;
   1375     uint64_t xcomp_bv;
   1376     uint64_t reserve0;
   1377     uint8_t reserved[40];
   1378 } X86XSaveHeader;
   1379 
   1380 /* Ext. save area 2: AVX State */
   1381 typedef struct XSaveAVX {
   1382     uint8_t ymmh[16][16];
   1383 } XSaveAVX;
   1384 
   1385 /* Ext. save area 3: BNDREG */
   1386 typedef struct XSaveBNDREG {
   1387     BNDReg bnd_regs[4];
   1388 } XSaveBNDREG;
   1389 
   1390 /* Ext. save area 4: BNDCSR */
   1391 typedef union XSaveBNDCSR {
   1392     BNDCSReg bndcsr;
   1393     uint8_t data[64];
   1394 } XSaveBNDCSR;
   1395 
   1396 /* Ext. save area 5: Opmask */
   1397 typedef struct XSaveOpmask {
   1398     uint64_t opmask_regs[NB_OPMASK_REGS];
   1399 } XSaveOpmask;
   1400 
   1401 /* Ext. save area 6: ZMM_Hi256 */
   1402 typedef struct XSaveZMM_Hi256 {
   1403     uint8_t zmm_hi256[16][32];
   1404 } XSaveZMM_Hi256;
   1405 
   1406 /* Ext. save area 7: Hi16_ZMM */
   1407 typedef struct XSaveHi16_ZMM {
   1408     uint8_t hi16_zmm[16][64];
   1409 } XSaveHi16_ZMM;
   1410 
   1411 /* Ext. save area 9: PKRU state */
   1412 typedef struct XSavePKRU {
   1413     uint32_t pkru;
   1414     uint32_t padding;
   1415 } XSavePKRU;
   1416 
   1417 /* Ext. save area 17: AMX XTILECFG state */
   1418 typedef struct XSaveXTILECFG {
   1419     uint8_t xtilecfg[64];
   1420 } XSaveXTILECFG;
   1421 
   1422 /* Ext. save area 18: AMX XTILEDATA state */
   1423 typedef struct XSaveXTILEDATA {
   1424     uint8_t xtiledata[8][1024];
   1425 } XSaveXTILEDATA;
   1426 
   1427 typedef struct {
   1428        uint64_t from;
   1429        uint64_t to;
   1430        uint64_t info;
   1431 } LBREntry;
   1432 
   1433 #define ARCH_LBR_NR_ENTRIES            32
   1434 
   1435 /* Ext. save area 19: Supervisor mode Arch LBR state */
   1436 typedef struct XSavesArchLBR {
   1437     uint64_t lbr_ctl;
   1438     uint64_t lbr_depth;
   1439     uint64_t ler_from;
   1440     uint64_t ler_to;
   1441     uint64_t ler_info;
   1442     LBREntry lbr_records[ARCH_LBR_NR_ENTRIES];
   1443 } XSavesArchLBR;
   1444 
   1445 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
   1446 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
   1447 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
   1448 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
   1449 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
   1450 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
   1451 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
   1452 QEMU_BUILD_BUG_ON(sizeof(XSaveXTILECFG) != 0x40);
   1453 QEMU_BUILD_BUG_ON(sizeof(XSaveXTILEDATA) != 0x2000);
   1454 QEMU_BUILD_BUG_ON(sizeof(XSavesArchLBR) != 0x328);
   1455 
   1456 typedef struct ExtSaveArea {
   1457     uint32_t feature, bits;
   1458     uint32_t offset, size;
   1459     uint32_t ecx;
   1460 } ExtSaveArea;
   1461 
   1462 #define XSAVE_STATE_AREA_COUNT (XSTATE_XTILE_DATA_BIT + 1)
   1463 
   1464 extern ExtSaveArea x86_ext_save_areas[XSAVE_STATE_AREA_COUNT];
   1465 
   1466 typedef enum TPRAccess {
   1467     TPR_ACCESS_READ,
   1468     TPR_ACCESS_WRITE,
   1469 } TPRAccess;
   1470 
   1471 /* Cache information data structures: */
   1472 
   1473 enum CacheType {
   1474     DATA_CACHE,
   1475     INSTRUCTION_CACHE,
   1476     UNIFIED_CACHE
   1477 };
   1478 
   1479 typedef struct CPUCacheInfo {
   1480     enum CacheType type;
   1481     uint8_t level;
   1482     /* Size in bytes */
   1483     uint32_t size;
   1484     /* Line size, in bytes */
   1485     uint16_t line_size;
   1486     /*
   1487      * Associativity.
   1488      * Note: representation of fully-associative caches is not implemented
   1489      */
   1490     uint8_t associativity;
   1491     /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
   1492     uint8_t partitions;
   1493     /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
   1494     uint32_t sets;
   1495     /*
   1496      * Lines per tag.
   1497      * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
   1498      * (Is this synonym to @partitions?)
   1499      */
   1500     uint8_t lines_per_tag;
   1501 
   1502     /* Self-initializing cache */
   1503     bool self_init;
   1504     /*
   1505      * WBINVD/INVD is not guaranteed to act upon lower level caches of
   1506      * non-originating threads sharing this cache.
   1507      * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
   1508      */
   1509     bool no_invd_sharing;
   1510     /*
   1511      * Cache is inclusive of lower cache levels.
   1512      * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
   1513      */
   1514     bool inclusive;
   1515     /*
   1516      * A complex function is used to index the cache, potentially using all
   1517      * address bits.  CPUID[4].EDX[bit 2].
   1518      */
   1519     bool complex_indexing;
   1520 } CPUCacheInfo;
   1521 
   1522 
   1523 typedef struct CPUCaches {
   1524         CPUCacheInfo *l1d_cache;
   1525         CPUCacheInfo *l1i_cache;
   1526         CPUCacheInfo *l2_cache;
   1527         CPUCacheInfo *l3_cache;
   1528 } CPUCaches;
   1529 
   1530 typedef struct HVFX86LazyFlags {
   1531     target_ulong result;
   1532     target_ulong auxbits;
   1533 } HVFX86LazyFlags;
   1534 
   1535 typedef struct CPUArchState {
   1536     /* standard registers */
   1537     target_ulong regs[CPU_NB_REGS];
   1538     target_ulong eip;
   1539     target_ulong eflags; /* eflags register. During CPU emulation, CC
   1540                         flags and DF are set to zero because they are
   1541                         stored elsewhere */
   1542 
   1543     /* emulator internal eflags handling */
   1544     target_ulong cc_dst;
   1545     target_ulong cc_src;
   1546     target_ulong cc_src2;
   1547     uint32_t cc_op;
   1548     int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
   1549     uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
   1550                         are known at translation time. */
   1551     uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
   1552 
   1553     /* segments */
   1554     SegmentCache segs[6]; /* selector values */
   1555     SegmentCache ldt;
   1556     SegmentCache tr;
   1557     SegmentCache gdt; /* only base and limit are used */
   1558     SegmentCache idt; /* only base and limit are used */
   1559 
   1560     target_ulong cr[5]; /* NOTE: cr1 is unused */
   1561 
   1562     bool pdptrs_valid;
   1563     uint64_t pdptrs[4];
   1564     int32_t a20_mask;
   1565 
   1566     BNDReg bnd_regs[4];
   1567     BNDCSReg bndcs_regs;
   1568     uint64_t msr_bndcfgs;
   1569     uint64_t efer;
   1570 
   1571     /* Beginning of state preserved by INIT (dummy marker).  */
   1572     struct {} start_init_save;
   1573 
   1574     /* FPU state */
   1575     unsigned int fpstt; /* top of stack index */
   1576     uint16_t fpus;
   1577     uint16_t fpuc;
   1578     uint8_t fptags[8];   /* 0 = valid, 1 = empty */
   1579     FPReg fpregs[8];
   1580     /* KVM-only so far */
   1581     uint16_t fpop;
   1582     uint16_t fpcs;
   1583     uint16_t fpds;
   1584     uint64_t fpip;
   1585     uint64_t fpdp;
   1586 
   1587     /* emulator internal variables */
   1588     float_status fp_status;
   1589     floatx80 ft0;
   1590 
   1591     float_status mmx_status; /* for 3DNow! float ops */
   1592     float_status sse_status;
   1593     uint32_t mxcsr;
   1594     ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32] QEMU_ALIGNED(16);
   1595     ZMMReg xmm_t0 QEMU_ALIGNED(16);
   1596     MMXReg mmx_t0;
   1597 
   1598     uint64_t opmask_regs[NB_OPMASK_REGS];
   1599 #ifdef TARGET_X86_64
   1600     uint8_t xtilecfg[64];
   1601     uint8_t xtiledata[8192];
   1602 #endif
   1603 
   1604     /* sysenter registers */
   1605     uint32_t sysenter_cs;
   1606     target_ulong sysenter_esp;
   1607     target_ulong sysenter_eip;
   1608     uint64_t star;
   1609 
   1610     uint64_t vm_hsave;
   1611 
   1612 #ifdef TARGET_X86_64
   1613     target_ulong lstar;
   1614     target_ulong cstar;
   1615     target_ulong fmask;
   1616     target_ulong kernelgsbase;
   1617 #endif
   1618 
   1619     uint64_t tsc_adjust;
   1620     uint64_t tsc_deadline;
   1621     uint64_t tsc_aux;
   1622 
   1623     uint64_t xcr0;
   1624 
   1625     uint64_t mcg_status;
   1626     uint64_t msr_ia32_misc_enable;
   1627     uint64_t msr_ia32_feature_control;
   1628     uint64_t msr_ia32_sgxlepubkeyhash[4];
   1629 
   1630     uint64_t msr_fixed_ctr_ctrl;
   1631     uint64_t msr_global_ctrl;
   1632     uint64_t msr_global_status;
   1633     uint64_t msr_global_ovf_ctrl;
   1634     uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
   1635     uint64_t msr_gp_counters[MAX_GP_COUNTERS];
   1636     uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
   1637 
   1638     uint64_t pat;
   1639     uint32_t smbase;
   1640     uint64_t msr_smi_count;
   1641 
   1642     uint32_t pkru;
   1643     uint32_t pkrs;
   1644     uint32_t tsx_ctrl;
   1645 
   1646     uint64_t spec_ctrl;
   1647     uint64_t amd_tsc_scale_msr;
   1648     uint64_t virt_ssbd;
   1649 
   1650     /* End of state preserved by INIT (dummy marker).  */
   1651     struct {} end_init_save;
   1652 
   1653     uint64_t system_time_msr;
   1654     uint64_t wall_clock_msr;
   1655     uint64_t steal_time_msr;
   1656     uint64_t async_pf_en_msr;
   1657     uint64_t async_pf_int_msr;
   1658     uint64_t pv_eoi_en_msr;
   1659     uint64_t poll_control_msr;
   1660 
   1661     /* Partition-wide HV MSRs, will be updated only on the first vcpu */
   1662     uint64_t msr_hv_hypercall;
   1663     uint64_t msr_hv_guest_os_id;
   1664     uint64_t msr_hv_tsc;
   1665     uint64_t msr_hv_syndbg_control;
   1666     uint64_t msr_hv_syndbg_status;
   1667     uint64_t msr_hv_syndbg_send_page;
   1668     uint64_t msr_hv_syndbg_recv_page;
   1669     uint64_t msr_hv_syndbg_pending_page;
   1670     uint64_t msr_hv_syndbg_options;
   1671 
   1672     /* Per-VCPU HV MSRs */
   1673     uint64_t msr_hv_vapic;
   1674     uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
   1675     uint64_t msr_hv_runtime;
   1676     uint64_t msr_hv_synic_control;
   1677     uint64_t msr_hv_synic_evt_page;
   1678     uint64_t msr_hv_synic_msg_page;
   1679     uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
   1680     uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
   1681     uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
   1682     uint64_t msr_hv_reenlightenment_control;
   1683     uint64_t msr_hv_tsc_emulation_control;
   1684     uint64_t msr_hv_tsc_emulation_status;
   1685 
   1686     uint64_t msr_rtit_ctrl;
   1687     uint64_t msr_rtit_status;
   1688     uint64_t msr_rtit_output_base;
   1689     uint64_t msr_rtit_output_mask;
   1690     uint64_t msr_rtit_cr3_match;
   1691     uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
   1692 
   1693     /* Per-VCPU XFD MSRs */
   1694     uint64_t msr_xfd;
   1695     uint64_t msr_xfd_err;
   1696 
   1697     /* Per-VCPU Arch LBR MSRs */
   1698     uint64_t msr_lbr_ctl;
   1699     uint64_t msr_lbr_depth;
   1700     LBREntry lbr_records[ARCH_LBR_NR_ENTRIES];
   1701 
   1702     /* exception/interrupt handling */
   1703     int error_code;
   1704     int exception_is_int;
   1705     target_ulong exception_next_eip;
   1706     target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
   1707     union {
   1708         struct CPUBreakpoint *cpu_breakpoint[4];
   1709         struct CPUWatchpoint *cpu_watchpoint[4];
   1710     }; /* break/watchpoints for dr[0..3] */
   1711     int old_exception;  /* exception in flight */
   1712 
   1713     uint64_t vm_vmcb;
   1714     uint64_t tsc_offset;
   1715     uint64_t intercept;
   1716     uint16_t intercept_cr_read;
   1717     uint16_t intercept_cr_write;
   1718     uint16_t intercept_dr_read;
   1719     uint16_t intercept_dr_write;
   1720     uint32_t intercept_exceptions;
   1721     uint64_t nested_cr3;
   1722     uint32_t nested_pg_mode;
   1723     uint8_t v_tpr;
   1724     uint32_t int_ctl;
   1725 
   1726     /* KVM states, automatically cleared on reset */
   1727     uint8_t nmi_injected;
   1728     uint8_t nmi_pending;
   1729 
   1730     uintptr_t retaddr;
   1731 
   1732     /* Fields up to this point are cleared by a CPU reset */
   1733     struct {} end_reset_fields;
   1734 
   1735     /* Fields after this point are preserved across CPU reset. */
   1736 
   1737     /* processor features (e.g. for CPUID insn) */
   1738     /* Minimum cpuid leaf 7 value */
   1739     uint32_t cpuid_level_func7;
   1740     /* Actual cpuid leaf 7 value */
   1741     uint32_t cpuid_min_level_func7;
   1742     /* Minimum level/xlevel/xlevel2, based on CPU model + features */
   1743     uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
   1744     /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
   1745     uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
   1746     /* Actual level/xlevel/xlevel2 value: */
   1747     uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
   1748     uint32_t cpuid_vendor1;
   1749     uint32_t cpuid_vendor2;
   1750     uint32_t cpuid_vendor3;
   1751     uint32_t cpuid_version;
   1752     uint32_t cpuid_brand_id;
   1753     FeatureWordArray features;
   1754     /* Features that were explicitly enabled/disabled */
   1755     FeatureWordArray user_features;
   1756     uint32_t cpuid_model[12];
   1757     /* Cache information for CPUID.  When legacy-cache=on, the cache data
   1758      * on each CPUID leaf will be different, because we keep compatibility
   1759      * with old QEMU versions.
   1760      */
   1761     CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
   1762 
   1763     /* MTRRs */
   1764     uint64_t mtrr_fixed[11];
   1765     uint64_t mtrr_deftype;
   1766     MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
   1767 
   1768     /* For KVM */
   1769     uint32_t mp_state;
   1770     int32_t exception_nr;
   1771     int32_t interrupt_injected;
   1772     uint8_t soft_interrupt;
   1773     uint8_t exception_pending;
   1774     uint8_t exception_injected;
   1775     uint8_t has_error_code;
   1776     uint8_t exception_has_payload;
   1777     uint64_t exception_payload;
   1778     uint8_t triple_fault_pending;
   1779     uint32_t ins_len;
   1780     uint32_t sipi_vector;
   1781     bool tsc_valid;
   1782     int64_t tsc_khz;
   1783     int64_t user_tsc_khz; /* for sanity check only */
   1784     uint64_t apic_bus_freq;
   1785     uint64_t tsc;
   1786 #if defined(CONFIG_KVM) || defined(CONFIG_HVF)
   1787     void *xsave_buf;
   1788     uint32_t xsave_buf_len;
   1789 #endif
   1790 #if defined(CONFIG_KVM)
   1791     struct kvm_nested_state *nested_state;
   1792 #endif
   1793 #if defined(CONFIG_HVF)
   1794     HVFX86LazyFlags hvf_lflags;
   1795     void *hvf_mmio_buf;
   1796 #endif
   1797 
   1798     uint64_t mcg_cap;
   1799     uint64_t mcg_ctl;
   1800     uint64_t mcg_ext_ctl;
   1801     uint64_t mce_banks[MCE_BANKS_DEF*4];
   1802     uint64_t xstate_bv;
   1803 
   1804     /* vmstate */
   1805     uint16_t fpus_vmstate;
   1806     uint16_t fptag_vmstate;
   1807     uint16_t fpregs_format_vmstate;
   1808 
   1809     uint64_t xss;
   1810     uint32_t umwait;
   1811 
   1812     TPRAccess tpr_access_type;
   1813 
   1814     unsigned nr_dies;
   1815 } CPUX86State;
   1816 
   1817 struct kvm_msrs;
   1818 
   1819 /**
   1820  * X86CPU:
   1821  * @env: #CPUX86State
   1822  * @migratable: If set, only migratable flags will be accepted when "enforce"
   1823  * mode is used, and only migratable flags will be included in the "host"
   1824  * CPU model.
   1825  *
   1826  * An x86 CPU.
   1827  */
   1828 struct ArchCPU {
   1829     /*< private >*/
   1830     CPUState parent_obj;
   1831     /*< public >*/
   1832 
   1833     CPUNegativeOffsetState neg;
   1834     CPUX86State env;
   1835     VMChangeStateEntry *vmsentry;
   1836 
   1837     uint64_t ucode_rev;
   1838 
   1839     uint32_t hyperv_spinlock_attempts;
   1840     char *hyperv_vendor;
   1841     bool hyperv_synic_kvm_only;
   1842     uint64_t hyperv_features;
   1843     bool hyperv_passthrough;
   1844     OnOffAuto hyperv_no_nonarch_cs;
   1845     uint32_t hyperv_vendor_id[3];
   1846     uint32_t hyperv_interface_id[4];
   1847     uint32_t hyperv_limits[3];
   1848     bool hyperv_enforce_cpuid;
   1849     uint32_t hyperv_ver_id_build;
   1850     uint16_t hyperv_ver_id_major;
   1851     uint16_t hyperv_ver_id_minor;
   1852     uint32_t hyperv_ver_id_sp;
   1853     uint8_t hyperv_ver_id_sb;
   1854     uint32_t hyperv_ver_id_sn;
   1855 
   1856     bool check_cpuid;
   1857     bool enforce_cpuid;
   1858     /*
   1859      * Force features to be enabled even if the host doesn't support them.
   1860      * This is dangerous and should be done only for testing CPUID
   1861      * compatibility.
   1862      */
   1863     bool force_features;
   1864     bool expose_kvm;
   1865     bool expose_tcg;
   1866     bool migratable;
   1867     bool migrate_smi_count;
   1868     bool max_features; /* Enable all supported features automatically */
   1869     uint32_t apic_id;
   1870 
   1871     /* Enables publishing of TSC increment and Local APIC bus frequencies to
   1872      * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
   1873     bool vmware_cpuid_freq;
   1874 
   1875     /* if true the CPUID code directly forward host cache leaves to the guest */
   1876     bool cache_info_passthrough;
   1877 
   1878     /* if true the CPUID code directly forwards
   1879      * host monitor/mwait leaves to the guest */
   1880     struct {
   1881         uint32_t eax;
   1882         uint32_t ebx;
   1883         uint32_t ecx;
   1884         uint32_t edx;
   1885     } mwait;
   1886 
   1887     /* Features that were filtered out because of missing host capabilities */
   1888     FeatureWordArray filtered_features;
   1889 
   1890     /* Enable PMU CPUID bits. This can't be enabled by default yet because
   1891      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
   1892      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
   1893      * capabilities) directly to the guest.
   1894      */
   1895     bool enable_pmu;
   1896 
   1897     /*
   1898      * Enable LBR_FMT bits of IA32_PERF_CAPABILITIES MSR.
   1899      * This can't be initialized with a default because it doesn't have
   1900      * stable ABI support yet. It is only allowed to pass all LBR_FMT bits
   1901      * returned by kvm_arch_get_supported_msr_feature()(which depends on both
   1902      * host CPU and kernel capabilities) to the guest.
   1903      */
   1904     uint64_t lbr_fmt;
   1905 
   1906     /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
   1907      * disabled by default to avoid breaking migration between QEMU with
   1908      * different LMCE configurations.
   1909      */
   1910     bool enable_lmce;
   1911 
   1912     /* Compatibility bits for old machine types.
   1913      * If true present virtual l3 cache for VM, the vcpus in the same virtual
   1914      * socket share an virtual l3 cache.
   1915      */
   1916     bool enable_l3_cache;
   1917 
   1918     /* Compatibility bits for old machine types.
   1919      * If true present the old cache topology information
   1920      */
   1921     bool legacy_cache;
   1922 
   1923     /* Compatibility bits for old machine types: */
   1924     bool enable_cpuid_0xb;
   1925 
   1926     /* Enable auto level-increase for all CPUID leaves */
   1927     bool full_cpuid_auto_level;
   1928 
   1929     /* Only advertise CPUID leaves defined by the vendor */
   1930     bool vendor_cpuid_only;
   1931 
   1932     /* Enable auto level-increase for Intel Processor Trace leave */
   1933     bool intel_pt_auto_level;
   1934 
   1935     /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
   1936     bool fill_mtrr_mask;
   1937 
   1938     /* if true override the phys_bits value with a value read from the host */
   1939     bool host_phys_bits;
   1940 
   1941     /* if set, limit maximum value for phys_bits when host_phys_bits is true */
   1942     uint8_t host_phys_bits_limit;
   1943 
   1944     /* Stop SMI delivery for migration compatibility with old machines */
   1945     bool kvm_no_smi_migration;
   1946 
   1947     /* Forcefully disable KVM PV features not exposed in guest CPUIDs */
   1948     bool kvm_pv_enforce_cpuid;
   1949 
   1950     /* Number of physical address bits supported */
   1951     uint32_t phys_bits;
   1952 
   1953     /* in order to simplify APIC support, we leave this pointer to the
   1954        user */
   1955     struct DeviceState *apic_state;
   1956     struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
   1957     Notifier machine_done;
   1958 
   1959     struct kvm_msrs *kvm_msr_buf;
   1960 
   1961     int32_t node_id; /* NUMA node this CPU belongs to */
   1962     int32_t socket_id;
   1963     int32_t die_id;
   1964     int32_t core_id;
   1965     int32_t thread_id;
   1966 
   1967     int32_t hv_max_vps;
   1968 };
   1969 
   1970 
   1971 #ifndef CONFIG_USER_ONLY
   1972 extern const VMStateDescription vmstate_x86_cpu;
   1973 #endif
   1974 
   1975 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
   1976 
   1977 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
   1978                              int cpuid, DumpState *s);
   1979 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
   1980                              int cpuid, DumpState *s);
   1981 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
   1982                                  DumpState *s);
   1983 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
   1984                                  DumpState *s);
   1985 
   1986 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
   1987                                 Error **errp);
   1988 
   1989 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
   1990 
   1991 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
   1992                                          MemTxAttrs *attrs);
   1993 
   1994 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
   1995 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
   1996 
   1997 void x86_cpu_list(void);
   1998 int cpu_x86_support_mca_broadcast(CPUX86State *env);
   1999 
   2000 #ifndef CONFIG_USER_ONLY
   2001 int cpu_get_pic_interrupt(CPUX86State *s);
   2002 
   2003 /* MSDOS compatibility mode FPU exception support */
   2004 void x86_register_ferr_irq(qemu_irq irq);
   2005 void fpu_check_raise_ferr_irq(CPUX86State *s);
   2006 void cpu_set_ignne(void);
   2007 void cpu_clear_ignne(void);
   2008 #endif
   2009 
   2010 /* mpx_helper.c */
   2011 void cpu_sync_bndcs_hflags(CPUX86State *env);
   2012 
   2013 /* this function must always be used to load data in the segment
   2014    cache: it synchronizes the hflags with the segment cache values */
   2015 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
   2016                                           X86Seg seg_reg, unsigned int selector,
   2017                                           target_ulong base,
   2018                                           unsigned int limit,
   2019                                           unsigned int flags)
   2020 {
   2021     SegmentCache *sc;
   2022     unsigned int new_hflags;
   2023 
   2024     sc = &env->segs[seg_reg];
   2025     sc->selector = selector;
   2026     sc->base = base;
   2027     sc->limit = limit;
   2028     sc->flags = flags;
   2029 
   2030     /* update the hidden flags */
   2031     {
   2032         if (seg_reg == R_CS) {
   2033 #ifdef TARGET_X86_64
   2034             if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
   2035                 /* long mode */
   2036                 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
   2037                 env->hflags &= ~(HF_ADDSEG_MASK);
   2038             } else
   2039 #endif
   2040             {
   2041                 /* legacy / compatibility case */
   2042                 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
   2043                     >> (DESC_B_SHIFT - HF_CS32_SHIFT);
   2044                 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
   2045                     new_hflags;
   2046             }
   2047         }
   2048         if (seg_reg == R_SS) {
   2049             int cpl = (flags >> DESC_DPL_SHIFT) & 3;
   2050 #if HF_CPL_MASK != 3
   2051 #error HF_CPL_MASK is hardcoded
   2052 #endif
   2053             env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
   2054             /* Possibly switch between BNDCFGS and BNDCFGU */
   2055             cpu_sync_bndcs_hflags(env);
   2056         }
   2057         new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
   2058             >> (DESC_B_SHIFT - HF_SS32_SHIFT);
   2059         if (env->hflags & HF_CS64_MASK) {
   2060             /* zero base assumed for DS, ES and SS in long mode */
   2061         } else if (!(env->cr[0] & CR0_PE_MASK) ||
   2062                    (env->eflags & VM_MASK) ||
   2063                    !(env->hflags & HF_CS32_MASK)) {
   2064             /* XXX: try to avoid this test. The problem comes from the
   2065                fact that is real mode or vm86 mode we only modify the
   2066                'base' and 'selector' fields of the segment cache to go
   2067                faster. A solution may be to force addseg to one in
   2068                translate-i386.c. */
   2069             new_hflags |= HF_ADDSEG_MASK;
   2070         } else {
   2071             new_hflags |= ((env->segs[R_DS].base |
   2072                             env->segs[R_ES].base |
   2073                             env->segs[R_SS].base) != 0) <<
   2074                 HF_ADDSEG_SHIFT;
   2075         }
   2076         env->hflags = (env->hflags &
   2077                        ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
   2078     }
   2079 }
   2080 
   2081 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
   2082                                                uint8_t sipi_vector)
   2083 {
   2084     CPUState *cs = CPU(cpu);
   2085     CPUX86State *env = &cpu->env;
   2086 
   2087     env->eip = 0;
   2088     cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
   2089                            sipi_vector << 12,
   2090                            env->segs[R_CS].limit,
   2091                            env->segs[R_CS].flags);
   2092     cs->halted = 0;
   2093 }
   2094 
   2095 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
   2096                             target_ulong *base, unsigned int *limit,
   2097                             unsigned int *flags);
   2098 
   2099 /* op_helper.c */
   2100 /* used for debug or cpu save/restore */
   2101 
   2102 /* cpu-exec.c */
   2103 /* the following helpers are only usable in user mode simulation as
   2104    they can trigger unexpected exceptions */
   2105 void cpu_x86_load_seg(CPUX86State *s, X86Seg seg_reg, int selector);
   2106 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
   2107 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
   2108 void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr);
   2109 void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr);
   2110 void cpu_x86_xsave(CPUX86State *s, target_ulong ptr);
   2111 void cpu_x86_xrstor(CPUX86State *s, target_ulong ptr);
   2112 
   2113 /* cpu.c */
   2114 void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
   2115                               uint32_t vendor2, uint32_t vendor3);
   2116 typedef struct PropValue {
   2117     const char *prop, *value;
   2118 } PropValue;
   2119 void x86_cpu_apply_props(X86CPU *cpu, PropValue *props);
   2120 
   2121 void x86_cpu_after_reset(X86CPU *cpu);
   2122 
   2123 uint32_t cpu_x86_virtual_addr_width(CPUX86State *env);
   2124 
   2125 /* cpu.c other functions (cpuid) */
   2126 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
   2127                    uint32_t *eax, uint32_t *ebx,
   2128                    uint32_t *ecx, uint32_t *edx);
   2129 void cpu_clear_apic_feature(CPUX86State *env);
   2130 void host_cpuid(uint32_t function, uint32_t count,
   2131                 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
   2132 
   2133 /* helper.c */
   2134 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
   2135 void cpu_sync_avx_hflag(CPUX86State *env);
   2136 
   2137 #ifndef CONFIG_USER_ONLY
   2138 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
   2139 {
   2140     return !!attrs.secure;
   2141 }
   2142 
   2143 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
   2144 {
   2145     return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
   2146 }
   2147 
   2148 /*
   2149  * load efer and update the corresponding hflags. XXX: do consistency
   2150  * checks with cpuid bits?
   2151  */
   2152 void cpu_load_efer(CPUX86State *env, uint64_t val);
   2153 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
   2154 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
   2155 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
   2156 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
   2157 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
   2158 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
   2159 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
   2160 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
   2161 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
   2162 #endif
   2163 
   2164 /* will be suppressed */
   2165 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
   2166 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
   2167 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
   2168 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
   2169 
   2170 /* hw/pc.c */
   2171 uint64_t cpu_get_tsc(CPUX86State *env);
   2172 
   2173 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
   2174 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
   2175 #define CPU_RESOLVING_TYPE TYPE_X86_CPU
   2176 
   2177 #ifdef TARGET_X86_64
   2178 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
   2179 #else
   2180 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
   2181 #endif
   2182 
   2183 #define cpu_list x86_cpu_list
   2184 
   2185 /* MMU modes definitions */
   2186 #define MMU_KSMAP_IDX   0
   2187 #define MMU_USER_IDX    1
   2188 #define MMU_KNOSMAP_IDX 2
   2189 #define MMU_NESTED_IDX  3
   2190 #define MMU_PHYS_IDX    4
   2191 
   2192 static inline int cpu_mmu_index(CPUX86State *env, bool ifetch)
   2193 {
   2194     return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
   2195         (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK))
   2196         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
   2197 }
   2198 
   2199 static inline int cpu_mmu_index_kernel(CPUX86State *env)
   2200 {
   2201     return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX :
   2202         ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK))
   2203         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
   2204 }
   2205 
   2206 #define CC_DST  (env->cc_dst)
   2207 #define CC_SRC  (env->cc_src)
   2208 #define CC_SRC2 (env->cc_src2)
   2209 #define CC_OP   (env->cc_op)
   2210 
   2211 #include "exec/cpu-all.h"
   2212 #include "svm.h"
   2213 
   2214 #if !defined(CONFIG_USER_ONLY)
   2215 #include "hw/i386/apic.h"
   2216 #endif
   2217 
   2218 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
   2219                                         target_ulong *cs_base, uint32_t *flags)
   2220 {
   2221     *cs_base = env->segs[R_CS].base;
   2222     *pc = *cs_base + env->eip;
   2223     *flags = env->hflags |
   2224         (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
   2225 }
   2226 
   2227 void do_cpu_init(X86CPU *cpu);
   2228 void do_cpu_sipi(X86CPU *cpu);
   2229 
   2230 #define MCE_INJECT_BROADCAST    1
   2231 #define MCE_INJECT_UNCOND_AO    2
   2232 
   2233 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
   2234                         uint64_t status, uint64_t mcg_status, uint64_t addr,
   2235                         uint64_t misc, int flags);
   2236 
   2237 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
   2238 
   2239 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
   2240 {
   2241     uint32_t eflags = env->eflags;
   2242     if (tcg_enabled()) {
   2243         eflags |= cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
   2244     }
   2245     return eflags;
   2246 }
   2247 
   2248 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
   2249 {
   2250     return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
   2251 }
   2252 
   2253 static inline int32_t x86_get_a20_mask(CPUX86State *env)
   2254 {
   2255     if (env->hflags & HF_SMM_MASK) {
   2256         return -1;
   2257     } else {
   2258         return env->a20_mask;
   2259     }
   2260 }
   2261 
   2262 static inline bool cpu_has_vmx(CPUX86State *env)
   2263 {
   2264     return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
   2265 }
   2266 
   2267 static inline bool cpu_has_svm(CPUX86State *env)
   2268 {
   2269     return env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM;
   2270 }
   2271 
   2272 /*
   2273  * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
   2274  * Since it was set, CR4.VMXE must remain set as long as vCPU is in
   2275  * VMX operation. This is because CR4.VMXE is one of the bits set
   2276  * in MSR_IA32_VMX_CR4_FIXED1.
   2277  *
   2278  * There is one exception to above statement when vCPU enters SMM mode.
   2279  * When a vCPU enters SMM mode, it temporarily exit VMX operation and
   2280  * may also reset CR4.VMXE during execution in SMM mode.
   2281  * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
   2282  * and CR4.VMXE is restored to it's original value of being set.
   2283  *
   2284  * Therefore, when vCPU is not in SMM mode, we can infer whether
   2285  * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
   2286  * know for certain.
   2287  */
   2288 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
   2289 {
   2290     return cpu_has_vmx(env) &&
   2291            ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
   2292 }
   2293 
   2294 /* excp_helper.c */
   2295 int get_pg_mode(CPUX86State *env);
   2296 
   2297 /* fpu_helper.c */
   2298 void update_fp_status(CPUX86State *env);
   2299 void update_mxcsr_status(CPUX86State *env);
   2300 void update_mxcsr_from_sse_status(CPUX86State *env);
   2301 
   2302 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
   2303 {
   2304     env->mxcsr = mxcsr;
   2305     if (tcg_enabled()) {
   2306         update_mxcsr_status(env);
   2307     }
   2308 }
   2309 
   2310 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
   2311 {
   2312      env->fpuc = fpuc;
   2313      if (tcg_enabled()) {
   2314         update_fp_status(env);
   2315      }
   2316 }
   2317 
   2318 /* mem_helper.c */
   2319 void helper_lock_init(void);
   2320 
   2321 /* svm_helper.c */
   2322 #ifdef CONFIG_USER_ONLY
   2323 static inline void
   2324 cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
   2325                               uint64_t param, uintptr_t retaddr)
   2326 { /* no-op */ }
   2327 static inline bool
   2328 cpu_svm_has_intercept(CPUX86State *env, uint32_t type)
   2329 { return false; }
   2330 #else
   2331 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
   2332                                    uint64_t param, uintptr_t retaddr);
   2333 bool cpu_svm_has_intercept(CPUX86State *env, uint32_t type);
   2334 #endif
   2335 
   2336 /* apic.c */
   2337 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
   2338 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
   2339                                    TPRAccess access);
   2340 
   2341 /* Special values for X86CPUVersion: */
   2342 
   2343 /* Resolve to latest CPU version */
   2344 #define CPU_VERSION_LATEST -1
   2345 
   2346 /*
   2347  * Resolve to version defined by current machine type.
   2348  * See x86_cpu_set_default_version()
   2349  */
   2350 #define CPU_VERSION_AUTO   -2
   2351 
   2352 /* Don't resolve to any versioned CPU models, like old QEMU versions */
   2353 #define CPU_VERSION_LEGACY  0
   2354 
   2355 typedef int X86CPUVersion;
   2356 
   2357 /*
   2358  * Set default CPU model version for CPU models having
   2359  * version == CPU_VERSION_AUTO.
   2360  */
   2361 void x86_cpu_set_default_version(X86CPUVersion version);
   2362 
   2363 #define APIC_DEFAULT_ADDRESS 0xfee00000
   2364 #define APIC_SPACE_SIZE      0x100000
   2365 
   2366 /* cpu-dump.c */
   2367 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
   2368 
   2369 /* cpu.c */
   2370 bool cpu_is_bsp(X86CPU *cpu);
   2371 
   2372 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const void *buf, uint32_t buflen);
   2373 void x86_cpu_xsave_all_areas(X86CPU *cpu, void *buf, uint32_t buflen);
   2374 uint32_t xsave_area_size(uint64_t mask, bool compacted);
   2375 void x86_update_hflags(CPUX86State* env);
   2376 
   2377 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
   2378 {
   2379     return !!(cpu->hyperv_features & BIT(feat));
   2380 }
   2381 
   2382 static inline uint64_t cr4_reserved_bits(CPUX86State *env)
   2383 {
   2384     uint64_t reserved_bits = CR4_RESERVED_MASK;
   2385     if (!env->features[FEAT_XSAVE]) {
   2386         reserved_bits |= CR4_OSXSAVE_MASK;
   2387     }
   2388     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMEP)) {
   2389         reserved_bits |= CR4_SMEP_MASK;
   2390     }
   2391     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMAP)) {
   2392         reserved_bits |= CR4_SMAP_MASK;
   2393     }
   2394     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE)) {
   2395         reserved_bits |= CR4_FSGSBASE_MASK;
   2396     }
   2397     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKU)) {
   2398         reserved_bits |= CR4_PKE_MASK;
   2399     }
   2400     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_LA57)) {
   2401         reserved_bits |= CR4_LA57_MASK;
   2402     }
   2403     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_UMIP)) {
   2404         reserved_bits |= CR4_UMIP_MASK;
   2405     }
   2406     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKS)) {
   2407         reserved_bits |= CR4_PKS_MASK;
   2408     }
   2409     return reserved_bits;
   2410 }
   2411 
   2412 static inline bool ctl_has_irq(CPUX86State *env)
   2413 {
   2414     uint32_t int_prio;
   2415     uint32_t tpr;
   2416 
   2417     int_prio = (env->int_ctl & V_INTR_PRIO_MASK) >> V_INTR_PRIO_SHIFT;
   2418     tpr = env->int_ctl & V_TPR_MASK;
   2419 
   2420     if (env->int_ctl & V_IGN_TPR_MASK) {
   2421         return (env->int_ctl & V_IRQ_MASK);
   2422     }
   2423 
   2424     return (env->int_ctl & V_IRQ_MASK) && (int_prio >= tpr);
   2425 }
   2426 
   2427 #if defined(TARGET_X86_64) && \
   2428     defined(CONFIG_USER_ONLY) && \
   2429     defined(CONFIG_LINUX)
   2430 # define TARGET_VSYSCALL_PAGE  (UINT64_C(-10) << 20)
   2431 #endif
   2432 
   2433 #endif /* I386_CPU_H */