target-i386/cpu.c

   1 /*
   2  *  i386 CPUID helper functions
   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 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 #include "qemu/osdep.h"
  20 #include "qemu/cutils.h"
  21
  22 #include "cpu.h"
  23 #include "exec/exec-all.h"
  24 #include "sysemu/kvm.h"
  25 #include "sysemu/cpus.h"
  26 #include "kvm_i386.h"
  27
  28 #include "qemu/error-report.h"
  29 #include "qemu/option.h"
  30 #include "qemu/config-file.h"
  31 #include "qapi/qmp/qerror.h"
  32
  33 #include "qapi-types.h"
  34 #include "qapi-visit.h"
  35 #include "qapi/visitor.h"
  36 #include "sysemu/arch_init.h"
  37
  38 #if defined(CONFIG_KVM)
  39 #include <linux/kvm_para.h>
  40 #endif
  41
  42 #include "sysemu/sysemu.h"
  43 #include "hw/qdev-properties.h"
  44 #include "hw/i386/topology.h"
  45 #ifndef CONFIG_USER_ONLY
  46 #include "exec/address-spaces.h"
  47 #include "hw/hw.h"
  48 #include "hw/xen/xen.h"
  49 #include "hw/i386/apic_internal.h"
  50 #endif
  51
  52
  53 /* Cache topology CPUID constants: */
  54
  55 /* CPUID Leaf 2 Descriptors */
  56
  57 #define CPUID_2_L1D_32KB_8WAY_64B 0x2c
  58 #define CPUID_2_L1I_32KB_8WAY_64B 0x30
  59 #define CPUID_2_L2_2MB_8WAY_64B   0x7d
  60 #define CPUID_2_L3_16MB_16WAY_64B 0x4d
  61
  62
  63 /* CPUID Leaf 4 constants: */
  64
  65 /* EAX: */
  66 #define CPUID_4_TYPE_DCACHE  1
  67 #define CPUID_4_TYPE_ICACHE  2
  68 #define CPUID_4_TYPE_UNIFIED 3
  69
  70 #define CPUID_4_LEVEL(l)          ((l) << 5)
  71
  72 #define CPUID_4_SELF_INIT_LEVEL (1 << 8)
  73 #define CPUID_4_FULLY_ASSOC     (1 << 9)
  74
  75 /* EDX: */
  76 #define CPUID_4_NO_INVD_SHARING (1 << 0)
  77 #define CPUID_4_INCLUSIVE       (1 << 1)
  78 #define CPUID_4_COMPLEX_IDX     (1 << 2)
  79
  80 #define ASSOC_FULL 0xFF
  81
  82 /* AMD associativity encoding used on CPUID Leaf 0x80000006: */
  83 #define AMD_ENC_ASSOC(a) (a <=   1 ? a   : \
  84                           a ==   2 ? 0x2 : \
  85                           a ==   4 ? 0x4 : \
  86                           a ==   8 ? 0x6 : \
  87                           a ==  16 ? 0x8 : \
  88                           a ==  32 ? 0xA : \
  89                           a ==  48 ? 0xB : \
  90                           a ==  64 ? 0xC : \
  91                           a ==  96 ? 0xD : \
  92                           a == 128 ? 0xE : \
  93                           a == ASSOC_FULL ? 0xF : \
  94                           0 /* invalid value */)
  95
  96
  97 /* Definitions of the hardcoded cache entries we expose: */
  98
  99 /* L1 data cache: */
 100 #define L1D_LINE_SIZE         64
 101 #define L1D_ASSOCIATIVITY      8
 102 #define L1D_SETS              64
 103 #define L1D_PARTITIONS         1
 104 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */
 105 #define L1D_DESCRIPTOR CPUID_2_L1D_32KB_8WAY_64B
 106 /*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */
 107 #define L1D_LINES_PER_TAG      1
 108 #define L1D_SIZE_KB_AMD       64
 109 #define L1D_ASSOCIATIVITY_AMD  2
 110
 111 /* L1 instruction cache: */
 112 #define L1I_LINE_SIZE         64
 113 #define L1I_ASSOCIATIVITY      8
 114 #define L1I_SETS              64
 115 #define L1I_PARTITIONS         1
 116 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */
 117 #define L1I_DESCRIPTOR CPUID_2_L1I_32KB_8WAY_64B
 118 /*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */
 119 #define L1I_LINES_PER_TAG      1
 120 #define L1I_SIZE_KB_AMD       64
 121 #define L1I_ASSOCIATIVITY_AMD  2
 122
 123 /* Level 2 unified cache: */
 124 #define L2_LINE_SIZE          64
 125 #define L2_ASSOCIATIVITY      16
 126 #define L2_SETS             4096
 127 #define L2_PARTITIONS          1
 128 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 4MiB */
 129 /*FIXME: CPUID leaf 2 descriptor is inconsistent with CPUID leaf 4 */
 130 #define L2_DESCRIPTOR CPUID_2_L2_2MB_8WAY_64B
 131 /*FIXME: CPUID leaf 0x80000006 is inconsistent with leaves 2 & 4 */
 132 #define L2_LINES_PER_TAG       1
 133 #define L2_SIZE_KB_AMD       512
 134
 135 /* Level 3 unified cache: */
 136 #define L3_SIZE_KB             0 /* disabled */
 137 #define L3_ASSOCIATIVITY       0 /* disabled */
 138 #define L3_LINES_PER_TAG       0 /* disabled */
 139 #define L3_LINE_SIZE           0 /* disabled */
 140 #define L3_N_LINE_SIZE         64
 141 #define L3_N_ASSOCIATIVITY     16
 142 #define L3_N_SETS           16384
 143 #define L3_N_PARTITIONS         1
 144 #define L3_N_DESCRIPTOR CPUID_2_L3_16MB_16WAY_64B
 145 #define L3_N_LINES_PER_TAG      1
 146 #define L3_N_SIZE_KB_AMD    16384
 147
 148 /* TLB definitions: */
 149
 150 #define L1_DTLB_2M_ASSOC       1
 151 #define L1_DTLB_2M_ENTRIES   255
 152 #define L1_DTLB_4K_ASSOC       1
 153 #define L1_DTLB_4K_ENTRIES   255
 154
 155 #define L1_ITLB_2M_ASSOC       1
 156 #define L1_ITLB_2M_ENTRIES   255
 157 #define L1_ITLB_4K_ASSOC       1
 158 #define L1_ITLB_4K_ENTRIES   255
 159
 160 #define L2_DTLB_2M_ASSOC       0 /* disabled */
 161 #define L2_DTLB_2M_ENTRIES     0 /* disabled */
 162 #define L2_DTLB_4K_ASSOC       4
 163 #define L2_DTLB_4K_ENTRIES   512
 164
 165 #define L2_ITLB_2M_ASSOC       0 /* disabled */
 166 #define L2_ITLB_2M_ENTRIES     0 /* disabled */
 167 #define L2_ITLB_4K_ASSOC       4
 168 #define L2_ITLB_4K_ENTRIES   512
 169
 170
 171
 172 static void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
 173                                      uint32_t vendor2, uint32_t vendor3)
 174 {
 175     int i;
 176     for (i = 0; i < 4; i++) {
 177         dst[i] = vendor1 >> (8 * i);
 178         dst[i + 4] = vendor2 >> (8 * i);
 179         dst[i + 8] = vendor3 >> (8 * i);
 180     }
 181     dst[CPUID_VENDOR_SZ] = '\0';
 182 }
 183
 184 #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
 185 #define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
 186           CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
 187 #define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
 188           CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
 189           CPUID_PSE36 | CPUID_FXSR)
 190 #define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
 191 #define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
 192           CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
 193           CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
 194           CPUID_PAE | CPUID_SEP | CPUID_APIC)
 195
 196 #define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \
 197           CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \
 198           CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
 199           CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \
 200           CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS | CPUID_DE)
 201           /* partly implemented:
 202           CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64) */
 203           /* missing:
 204           CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
 205 #define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | \
 206           CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | \
 207           CPUID_EXT_SSE41 | CPUID_EXT_SSE42 | CPUID_EXT_POPCNT | \
 208           CPUID_EXT_XSAVE | /* CPUID_EXT_OSXSAVE is dynamic */   \
 209           CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR)
 210           /* missing:
 211           CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_SMX,
 212           CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_CID, CPUID_EXT_FMA,
 213           CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_PCID, CPUID_EXT_DCA,
 214           CPUID_EXT_X2APIC, CPUID_EXT_TSC_DEADLINE_TIMER, CPUID_EXT_AVX,
 215           CPUID_EXT_F16C, CPUID_EXT_RDRAND */
 216
 217 #ifdef TARGET_X86_64
 218 #define TCG_EXT2_X86_64_FEATURES (CPUID_EXT2_SYSCALL | CPUID_EXT2_LM)
 219 #else
 220 #define TCG_EXT2_X86_64_FEATURES 0
 221 #endif
 222
 223 #define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
 224           CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
 225           CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_PDPE1GB | \
 226           TCG_EXT2_X86_64_FEATURES)
 227 #define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
 228           CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
 229 #define TCG_EXT4_FEATURES 0
 230 #define TCG_SVM_FEATURES 0
 231 #define TCG_KVM_FEATURES 0
 232 #define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP | \
 233           CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX | \
 234           CPUID_7_0_EBX_PCOMMIT | CPUID_7_0_EBX_CLFLUSHOPT |            \
 235           CPUID_7_0_EBX_CLWB | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_FSGSBASE | \
 236           CPUID_7_0_EBX_ERMS)
 237           /* missing:
 238           CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2,
 239           CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,
 240           CPUID_7_0_EBX_RDSEED */
 241 #define TCG_7_0_ECX_FEATURES (CPUID_7_0_ECX_PKU | CPUID_7_0_ECX_OSPKE)
 242 #define TCG_APM_FEATURES 0
 243 #define TCG_6_EAX_FEATURES CPUID_6_EAX_ARAT
 244 #define TCG_XSAVE_FEATURES (CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XGETBV1)
 245           /* missing:
 246           CPUID_XSAVE_XSAVEC, CPUID_XSAVE_XSAVES */
 247
 248 typedef struct FeatureWordInfo {
 249     /* feature flags names are taken from "Intel Processor Identification and
 250      * the CPUID Instruction" and AMD's "CPUID Specification".
 251      * In cases of disagreement between feature naming conventions,
 252      * aliases may be added.
 253      */
 254     const char *feat_names[32];
 255     uint32_t cpuid_eax;   /* Input EAX for CPUID */
 256     bool cpuid_needs_ecx; /* CPUID instruction uses ECX as input */
 257     uint32_t cpuid_ecx;   /* Input ECX value for CPUID */
 258     int cpuid_reg;        /* output register (R_* constant) */
 259     uint32_t tcg_features; /* Feature flags supported by TCG */
 260     uint32_t unmigratable_flags; /* Feature flags known to be unmigratable */
 261     uint32_t migratable_flags; /* Feature flags known to be migratable */
 262 } FeatureWordInfo;
 263
 264 static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
 265     [FEAT_1_EDX] = {
 266         .feat_names = {
 267             "fpu", "vme", "de", "pse",
 268             "tsc", "msr", "pae", "mce",
 269             "cx8", "apic", NULL, "sep",
 270             "mtrr", "pge", "mca", "cmov",
 271             "pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */,
 272             NULL, "ds" /* Intel dts */, "acpi", "mmx",
 273             "fxsr", "sse", "sse2", "ss",
 274             "ht" /* Intel htt */, "tm", "ia64", "pbe",
 275         },
 276         .cpuid_eax = 1, .cpuid_reg = R_EDX,
 277         .tcg_features = TCG_FEATURES,
 278     },
 279     [FEAT_1_ECX] = {
 280         .feat_names = {
 281             "pni" /* Intel,AMD sse3 */, "pclmulqdq", "dtes64", "monitor",
 282             "ds-cpl", "vmx", "smx", "est",
 283             "tm2", "ssse3", "cid", NULL,
 284             "fma", "cx16", "xtpr", "pdcm",
 285             NULL, "pcid", "dca", "sse4.1",
 286             "sse4.2", "x2apic", "movbe", "popcnt",
 287             "tsc-deadline", "aes", "xsave", "osxsave",
 288             "avx", "f16c", "rdrand", "hypervisor",
 289         },
 290         .cpuid_eax = 1, .cpuid_reg = R_ECX,
 291         .tcg_features = TCG_EXT_FEATURES,
 292     },
 293     /* Feature names that are already defined on feature_name[] but
 294      * are set on CPUID[8000_0001].EDX on AMD CPUs don't have their
 295      * names on feat_names below. They are copied automatically
 296      * to features[FEAT_8000_0001_EDX] if and only if CPU vendor is AMD.
 297      */
 298     [FEAT_8000_0001_EDX] = {
 299         .feat_names = {
 300             NULL /* fpu */, NULL /* vme */, NULL /* de */, NULL /* pse */,
 301             NULL /* tsc */, NULL /* msr */, NULL /* pae */, NULL /* mce */,
 302             NULL /* cx8 */, NULL /* apic */, NULL, "syscall",
 303             NULL /* mtrr */, NULL /* pge */, NULL /* mca */, NULL /* cmov */,
 304             NULL /* pat */, NULL /* pse36 */, NULL, NULL /* Linux mp */,
 305             "nx", NULL, "mmxext", NULL /* mmx */,
 306             NULL /* fxsr */, "fxsr-opt", "pdpe1gb", "rdtscp",
 307             NULL, "lm", "3dnowext", "3dnow",
 308         },
 309         .cpuid_eax = 0x80000001, .cpuid_reg = R_EDX,
 310         .tcg_features = TCG_EXT2_FEATURES,
 311     },
 312     [FEAT_8000_0001_ECX] = {
 313         .feat_names = {
 314             "lahf-lm", "cmp-legacy", "svm", "extapic",
 315             "cr8legacy", "abm", "sse4a", "misalignsse",
 316             "3dnowprefetch", "osvw", "ibs", "xop",
 317             "skinit", "wdt", NULL, "lwp",
 318             "fma4", "tce", NULL, "nodeid-msr",
 319             NULL, "tbm", "topoext", "perfctr-core",
 320             "perfctr-nb", NULL, NULL, NULL,
 321             NULL, NULL, NULL, NULL,
 322         },
 323         .cpuid_eax = 0x80000001, .cpuid_reg = R_ECX,
 324         .tcg_features = TCG_EXT3_FEATURES,
 325     },
 326     [FEAT_C000_0001_EDX] = {
 327         .feat_names = {
 328             NULL, NULL, "xstore", "xstore-en",
 329             NULL, NULL, "xcrypt", "xcrypt-en",
 330             "ace2", "ace2-en", "phe", "phe-en",
 331             "pmm", "pmm-en", NULL, NULL,
 332             NULL, NULL, NULL, NULL,
 333             NULL, NULL, NULL, NULL,
 334             NULL, NULL, NULL, NULL,
 335             NULL, NULL, NULL, NULL,
 336         },
 337         .cpuid_eax = 0xC0000001, .cpuid_reg = R_EDX,
 338         .tcg_features = TCG_EXT4_FEATURES,
 339     },
 340     [FEAT_KVM] = {
 341         .feat_names = {
 342             "kvmclock", "kvm-nopiodelay", "kvm-mmu", "kvmclock",
 343             "kvm-asyncpf", "kvm-steal-time", "kvm-pv-eoi", "kvm-pv-unhalt",
 344             NULL, NULL, NULL, NULL,
 345             NULL, NULL, NULL, NULL,
 346             NULL, NULL, NULL, NULL,
 347             NULL, NULL, NULL, NULL,
 348             "kvmclock-stable-bit", NULL, NULL, NULL,
 349             NULL, NULL, NULL, NULL,
 350         },
 351         .cpuid_eax = KVM_CPUID_FEATURES, .cpuid_reg = R_EAX,
 352         .tcg_features = TCG_KVM_FEATURES,
 353     },
 354     [FEAT_HYPERV_EAX] = {
 355         .feat_names = {
 356             NULL /* hv_msr_vp_runtime_access */, NULL /* hv_msr_time_refcount_access */,
 357             NULL /* hv_msr_synic_access */, NULL /* hv_msr_stimer_access */,
 358             NULL /* hv_msr_apic_access */, NULL /* hv_msr_hypercall_access */,
 359             NULL /* hv_vpindex_access */, NULL /* hv_msr_reset_access */,
 360             NULL /* hv_msr_stats_access */, NULL /* hv_reftsc_access */,
 361             NULL /* hv_msr_idle_access */, NULL /* hv_msr_frequency_access */,
 362             NULL, NULL, NULL, NULL,
 363             NULL, NULL, NULL, NULL,
 364             NULL, NULL, NULL, NULL,
 365             NULL, NULL, NULL, NULL,
 366             NULL, NULL, NULL, NULL,
 367         },
 368         .cpuid_eax = 0x40000003, .cpuid_reg = R_EAX,
 369     },
 370     [FEAT_HYPERV_EBX] = {
 371         .feat_names = {
 372             NULL /* hv_create_partitions */, NULL /* hv_access_partition_id */,
 373             NULL /* hv_access_memory_pool */, NULL /* hv_adjust_message_buffers */,
 374             NULL /* hv_post_messages */, NULL /* hv_signal_events */,
 375             NULL /* hv_create_port */, NULL /* hv_connect_port */,
 376             NULL /* hv_access_stats */, NULL, NULL, NULL /* hv_debugging */,
 377             NULL /* hv_cpu_power_management */, NULL /* hv_configure_profiler */,
 378             NULL, NULL,
 379             NULL, NULL, NULL, NULL,
 380             NULL, NULL, NULL, NULL,
 381             NULL, NULL, NULL, NULL,
 382             NULL, NULL, NULL, NULL,
 383         },
 384         .cpuid_eax = 0x40000003, .cpuid_reg = R_EBX,
 385     },
 386     [FEAT_HYPERV_EDX] = {
 387         .feat_names = {
 388             NULL /* hv_mwait */, NULL /* hv_guest_debugging */,
 389             NULL /* hv_perf_monitor */, NULL /* hv_cpu_dynamic_part */,
 390             NULL /* hv_hypercall_params_xmm */, NULL /* hv_guest_idle_state */,
 391             NULL, NULL,
 392             NULL, NULL, NULL /* hv_guest_crash_msr */, NULL,
 393             NULL, NULL, NULL, NULL,
 394             NULL, NULL, NULL, NULL,
 395             NULL, NULL, NULL, NULL,
 396             NULL, NULL, NULL, NULL,
 397             NULL, NULL, NULL, NULL,
 398         },
 399         .cpuid_eax = 0x40000003, .cpuid_reg = R_EDX,
 400     },
 401     [FEAT_SVM] = {
 402         .feat_names = {
 403             "npt", "lbrv", "svm-lock", "nrip-save",
 404             "tsc-scale", "vmcb-clean",  "flushbyasid", "decodeassists",
 405             NULL, NULL, "pause-filter", NULL,
 406             "pfthreshold", NULL, NULL, NULL,
 407             NULL, NULL, NULL, NULL,
 408             NULL, NULL, NULL, NULL,
 409             NULL, NULL, NULL, NULL,
 410             NULL, NULL, NULL, NULL,
 411         },
 412         .cpuid_eax = 0x8000000A, .cpuid_reg = R_EDX,
 413         .tcg_features = TCG_SVM_FEATURES,
 414     },
 415     [FEAT_7_0_EBX] = {
 416         .feat_names = {
 417             "fsgsbase", "tsc-adjust", NULL, "bmi1",
 418             "hle", "avx2", NULL, "smep",
 419             "bmi2", "erms", "invpcid", "rtm",
 420             NULL, NULL, "mpx", NULL,
 421             "avx512f", "avx512dq", "rdseed", "adx",
 422             "smap", "avx512ifma", "pcommit", "clflushopt",
 423             "clwb", NULL, "avx512pf", "avx512er",
 424             "avx512cd", NULL, "avx512bw", "avx512vl",
 425         },
 426         .cpuid_eax = 7,
 427         .cpuid_needs_ecx = true, .cpuid_ecx = 0,
 428         .cpuid_reg = R_EBX,
 429         .tcg_features = TCG_7_0_EBX_FEATURES,
 430     },
 431     [FEAT_7_0_ECX] = {
 432         .feat_names = {
 433             NULL, "avx512vbmi", "umip", "pku",
 434             "ospke", NULL, NULL, NULL,
 435             NULL, NULL, NULL, NULL,
 436             NULL, NULL, NULL, NULL,
 437             NULL, NULL, NULL, NULL,
 438             NULL, NULL, "rdpid", NULL,
 439             NULL, NULL, NULL, NULL,
 440             NULL, NULL, NULL, NULL,
 441         },
 442         .cpuid_eax = 7,
 443         .cpuid_needs_ecx = true, .cpuid_ecx = 0,
 444         .cpuid_reg = R_ECX,
 445         .tcg_features = TCG_7_0_ECX_FEATURES,
 446     },
 447     [FEAT_8000_0007_EDX] = {
 448         .feat_names = {
 449             NULL, NULL, NULL, NULL,
 450             NULL, NULL, NULL, NULL,
 451             "invtsc", NULL, NULL, NULL,
 452             NULL, NULL, NULL, NULL,
 453             NULL, NULL, NULL, NULL,
 454             NULL, NULL, NULL, NULL,
 455             NULL, NULL, NULL, NULL,
 456             NULL, NULL, NULL, NULL,
 457         },
 458         .cpuid_eax = 0x80000007,
 459         .cpuid_reg = R_EDX,
 460         .tcg_features = TCG_APM_FEATURES,
 461         .unmigratable_flags = CPUID_APM_INVTSC,
 462     },
 463     [FEAT_XSAVE] = {
 464         .feat_names = {
 465             "xsaveopt", "xsavec", "xgetbv1", "xsaves",
 466             NULL, NULL, NULL, NULL,
 467             NULL, NULL, NULL, NULL,
 468             NULL, NULL, NULL, NULL,
 469             NULL, NULL, NULL, NULL,
 470             NULL, NULL, NULL, NULL,
 471             NULL, NULL, NULL, NULL,
 472             NULL, NULL, NULL, NULL,
 473         },
 474         .cpuid_eax = 0xd,
 475         .cpuid_needs_ecx = true, .cpuid_ecx = 1,
 476         .cpuid_reg = R_EAX,
 477         .tcg_features = TCG_XSAVE_FEATURES,
 478     },
 479     [FEAT_6_EAX] = {
 480         .feat_names = {
 481             NULL, NULL, "arat", NULL,
 482             NULL, NULL, NULL, NULL,
 483             NULL, NULL, NULL, NULL,
 484             NULL, NULL, NULL, NULL,
 485             NULL, NULL, NULL, NULL,
 486             NULL, NULL, NULL, NULL,
 487             NULL, NULL, NULL, NULL,
 488             NULL, NULL, NULL, NULL,
 489         },
 490         .cpuid_eax = 6, .cpuid_reg = R_EAX,
 491         .tcg_features = TCG_6_EAX_FEATURES,
 492     },
 493     [FEAT_XSAVE_COMP_LO] = {
 494         .cpuid_eax = 0xD,
 495         .cpuid_needs_ecx = true, .cpuid_ecx = 0,
 496         .cpuid_reg = R_EAX,
 497         .tcg_features = ~0U,
 498         .migratable_flags = XSTATE_FP_MASK | XSTATE_SSE_MASK |
 499             XSTATE_YMM_MASK | XSTATE_BNDREGS_MASK | XSTATE_BNDCSR_MASK |
 500             XSTATE_OPMASK_MASK | XSTATE_ZMM_Hi256_MASK | XSTATE_Hi16_ZMM_MASK |
 501             XSTATE_PKRU_MASK,
 502     },
 503     [FEAT_XSAVE_COMP_HI] = {
 504         .cpuid_eax = 0xD,
 505         .cpuid_needs_ecx = true, .cpuid_ecx = 0,
 506         .cpuid_reg = R_EDX,
 507         .tcg_features = ~0U,
 508     },
 509 };
 510
 511 typedef struct X86RegisterInfo32 {
 512     /* Name of register */
 513     const char *name;
 514     /* QAPI enum value register */
 515     X86CPURegister32 qapi_enum;
 516 } X86RegisterInfo32;
 517
 518 #define REGISTER(reg) \
 519     [R_##reg] = { .name = #reg, .qapi_enum = X86_CPU_REGISTER32_##reg }
 520 static const X86RegisterInfo32 x86_reg_info_32[CPU_NB_REGS32] = {
 521     REGISTER(EAX),
 522     REGISTER(ECX),
 523     REGISTER(EDX),
 524     REGISTER(EBX),
 525     REGISTER(ESP),
 526     REGISTER(EBP),
 527     REGISTER(ESI),
 528     REGISTER(EDI),
 529 };
 530 #undef REGISTER
 531
 532 typedef struct ExtSaveArea {
 533     uint32_t feature, bits;
 534     uint32_t offset, size;
 535 } ExtSaveArea;
 536
 537 static const ExtSaveArea x86_ext_save_areas[] = {
 538     [XSTATE_FP_BIT] = {
 539         /* x87 FP state component is always enabled if XSAVE is supported */
 540         .feature = FEAT_1_ECX, .bits = CPUID_EXT_XSAVE,
 541         /* x87 state is in the legacy region of the XSAVE area */
 542         .offset = 0,
 543         .size = sizeof(X86LegacyXSaveArea) + sizeof(X86XSaveHeader),
 544     },
 545     [XSTATE_SSE_BIT] = {
 546         /* SSE state component is always enabled if XSAVE is supported */
 547         .feature = FEAT_1_ECX, .bits = CPUID_EXT_XSAVE,
 548         /* SSE state is in the legacy region of the XSAVE area */
 549         .offset = 0,
 550         .size = sizeof(X86LegacyXSaveArea) + sizeof(X86XSaveHeader),
 551     },
 552     [XSTATE_YMM_BIT] =
 553           { .feature = FEAT_1_ECX, .bits = CPUID_EXT_AVX,
 554             .offset = offsetof(X86XSaveArea, avx_state),
 555             .size = sizeof(XSaveAVX) },
 556     [XSTATE_BNDREGS_BIT] =
 557           { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
 558             .offset = offsetof(X86XSaveArea, bndreg_state),
 559             .size = sizeof(XSaveBNDREG)  },
 560     [XSTATE_BNDCSR_BIT] =
 561           { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
 562             .offset = offsetof(X86XSaveArea, bndcsr_state),
 563             .size = sizeof(XSaveBNDCSR)  },
 564     [XSTATE_OPMASK_BIT] =
 565           { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F,
 566             .offset = offsetof(X86XSaveArea, opmask_state),
 567             .size = sizeof(XSaveOpmask) },
 568     [XSTATE_ZMM_Hi256_BIT] =
 569           { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F,
 570             .offset = offsetof(X86XSaveArea, zmm_hi256_state),
 571             .size = sizeof(XSaveZMM_Hi256) },
 572     [XSTATE_Hi16_ZMM_BIT] =
 573           { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F,
 574             .offset = offsetof(X86XSaveArea, hi16_zmm_state),
 575             .size = sizeof(XSaveHi16_ZMM) },
 576     [XSTATE_PKRU_BIT] =
 577           { .feature = FEAT_7_0_ECX, .bits = CPUID_7_0_ECX_PKU,
 578             .offset = offsetof(X86XSaveArea, pkru_state),
 579             .size = sizeof(XSavePKRU) },
 580 };
 581
 582 static uint32_t xsave_area_size(uint64_t mask)
 583 {
 584     int i;
 585     uint64_t ret = 0;
 586
 587     for (i = 0; i < ARRAY_SIZE(x86_ext_save_areas); i++) {
 588         const ExtSaveArea *esa = &x86_ext_save_areas[i];
 589         if ((mask >> i) & 1) {
 590             ret = MAX(ret, esa->offset + esa->size);
 591         }
 592     }
 593     return ret;
 594 }
 595
 596 static inline uint64_t x86_cpu_xsave_components(X86CPU *cpu)
 597 {
 598     return ((uint64_t)cpu->env.features[FEAT_XSAVE_COMP_HI]) << 32 |
 599            cpu->env.features[FEAT_XSAVE_COMP_LO];
 600 }
 601
 602 const char *get_register_name_32(unsigned int reg)
 603 {
 604     if (reg >= CPU_NB_REGS32) {
 605         return NULL;
 606     }
 607     return x86_reg_info_32[reg].name;
 608 }
 609
 610 /*
 611  * Returns the set of feature flags that are supported and migratable by
 612  * QEMU, for a given FeatureWord.
 613  */
 614 static uint32_t x86_cpu_get_migratable_flags(FeatureWord w)
 615 {
 616     FeatureWordInfo *wi = &feature_word_info[w];
 617     uint32_t r = 0;
 618     int i;
 619
 620     for (i = 0; i < 32; i++) {
 621         uint32_t f = 1U << i;
 622
 623         /* If the feature name is known, it is implicitly considered migratable,
 624          * unless it is explicitly set in unmigratable_flags */
 625         if ((wi->migratable_flags & f) ||
 626             (wi->feat_names[i] && !(wi->unmigratable_flags & f))) {
 627             r |= f;
 628         }
 629     }
 630     return r;
 631 }
 632
 633 void host_cpuid(uint32_t function, uint32_t count,
 634                 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)
 635 {
 636     uint32_t vec[4];
 637
 638 #ifdef __x86_64__
 639     asm volatile("cpuid"
 640                  : "=a"(vec[0]), "=b"(vec[1]),
 641                    "=c"(vec[2]), "=d"(vec[3])
 642                  : "0"(function), "c"(count) : "cc");
 643 #elif defined(__i386__)
 644     asm volatile("pusha \n\t"
 645                  "cpuid \n\t"
 646                  "mov %%eax, 0(%2) \n\t"
 647                  "mov %%ebx, 4(%2) \n\t"
 648                  "mov %%ecx, 8(%2) \n\t"
 649                  "mov %%edx, 12(%2) \n\t"
 650                  "popa"
 651                  : : "a"(function), "c"(count), "S"(vec)
 652                  : "memory", "cc");
 653 #else
 654     abort();
 655 #endif
 656
 657     if (eax)
 658         *eax = vec[0];
 659     if (ebx)
 660         *ebx = vec[1];
 661     if (ecx)
 662         *ecx = vec[2];
 663     if (edx)
 664         *edx = vec[3];
 665 }
 666
 667 /* CPU class name definitions: */
 668
 669 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
 670 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
 671
 672 /* Return type name for a given CPU model name
 673  * Caller is responsible for freeing the returned string.
 674  */
 675 static char *x86_cpu_type_name(const char *model_name)
 676 {
 677     return g_strdup_printf(X86_CPU_TYPE_NAME("%s"), model_name);
 678 }
 679
 680 static ObjectClass *x86_cpu_class_by_name(const char *cpu_model)
 681 {
 682     ObjectClass *oc;
 683     char *typename;
 684
 685     if (cpu_model == NULL) {
 686         return NULL;
 687     }
 688
 689     typename = x86_cpu_type_name(cpu_model);
 690     oc = object_class_by_name(typename);
 691     g_free(typename);
 692     return oc;
 693 }
 694
 695 static char *x86_cpu_class_get_model_name(X86CPUClass *cc)
 696 {
 697     const char *class_name = object_class_get_name(OBJECT_CLASS(cc));
 698     assert(g_str_has_suffix(class_name, X86_CPU_TYPE_SUFFIX));
 699     return g_strndup(class_name,
 700                      strlen(class_name) - strlen(X86_CPU_TYPE_SUFFIX));
 701 }
 702
 703 struct X86CPUDefinition {
 704     const char *name;
 705     uint32_t level;
 706     uint32_t xlevel;
 707     /* vendor is zero-terminated, 12 character ASCII string */
 708     char vendor[CPUID_VENDOR_SZ + 1];
 709     int family;
 710     int model;
 711     int stepping;
 712     FeatureWordArray features;
 713     char model_id[48];
 714 };
 715
 716 static X86CPUDefinition builtin_x86_defs[] = {
 717     {
 718         .name = "qemu64",
 719         .level = 0xd,
 720         .vendor = CPUID_VENDOR_AMD,
 721         .family = 6,
 722         .model = 6,
 723         .stepping = 3,
 724         .features[FEAT_1_EDX] =
 725             PPRO_FEATURES |
 726             CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
 727             CPUID_PSE36,
 728         .features[FEAT_1_ECX] =
 729             CPUID_EXT_SSE3 | CPUID_EXT_CX16,
 730         .features[FEAT_8000_0001_EDX] =
 731             CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
 732         .features[FEAT_8000_0001_ECX] =
 733             CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM,
 734         .xlevel = 0x8000000A,
 735         .model_id = "QEMU Virtual CPU version " QEMU_HW_VERSION,
 736     },
 737     {
 738         .name = "phenom",
 739         .level = 5,
 740         .vendor = CPUID_VENDOR_AMD,
 741         .family = 16,
 742         .model = 2,
 743         .stepping = 3,
 744         /* Missing: CPUID_HT */
 745         .features[FEAT_1_EDX] =
 746             PPRO_FEATURES |
 747             CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
 748             CPUID_PSE36 | CPUID_VME,
 749         .features[FEAT_1_ECX] =
 750             CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 |
 751             CPUID_EXT_POPCNT,
 752         .features[FEAT_8000_0001_EDX] =
 753             CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX |
 754             CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT |
 755             CPUID_EXT2_FFXSR | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP,
 756         /* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
 757                     CPUID_EXT3_CR8LEG,
 758                     CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
 759                     CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
 760         .features[FEAT_8000_0001_ECX] =
 761             CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
 762             CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
 763         /* Missing: CPUID_SVM_LBRV */
 764         .features[FEAT_SVM] =
 765             CPUID_SVM_NPT,
 766         .xlevel = 0x8000001A,
 767         .model_id = "AMD Phenom(tm) 9550 Quad-Core Processor"
 768     },
 769     {
 770         .name = "core2duo",
 771         .level = 10,
 772         .vendor = CPUID_VENDOR_INTEL,
 773         .family = 6,
 774         .model = 15,
 775         .stepping = 11,
 776         /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
 777         .features[FEAT_1_EDX] =
 778             PPRO_FEATURES |
 779             CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
 780             CPUID_PSE36 | CPUID_VME | CPUID_ACPI | CPUID_SS,
 781         /* Missing: CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_EST,
 782          * CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_VMX */
 783         .features[FEAT_1_ECX] =
 784             CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
 785             CPUID_EXT_CX16,
 786         .features[FEAT_8000_0001_EDX] =
 787             CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
 788         .features[FEAT_8000_0001_ECX] =
 789             CPUID_EXT3_LAHF_LM,
 790         .xlevel = 0x80000008,
 791         .model_id = "Intel(R) Core(TM)2 Duo CPU     T7700  @ 2.40GHz",
 792     },
 793     {
 794         .name = "kvm64",
 795         .level = 0xd,
 796         .vendor = CPUID_VENDOR_INTEL,
 797         .family = 15,
 798         .model = 6,
 799         .stepping = 1,
 800         /* Missing: CPUID_HT */
 801         .features[FEAT_1_EDX] =
 802             PPRO_FEATURES | CPUID_VME |
 803             CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
 804             CPUID_PSE36,
 805         /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
 806         .features[FEAT_1_ECX] =
 807             CPUID_EXT_SSE3 | CPUID_EXT_CX16,
 808         /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
 809         .features[FEAT_8000_0001_EDX] =
 810             CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
 811         /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
 812                     CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A,
 813                     CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
 814                     CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */
 815         .features[FEAT_8000_0001_ECX] =
 816             0,
 817         .xlevel = 0x80000008,
 818         .model_id = "Common KVM processor"
 819     },
 820     {
 821         .name = "qemu32",
 822         .level = 4,
 823         .vendor = CPUID_VENDOR_INTEL,
 824         .family = 6,
 825         .model = 6,
 826         .stepping = 3,
 827         .features[FEAT_1_EDX] =
 828             PPRO_FEATURES,
 829         .features[FEAT_1_ECX] =
 830             CPUID_EXT_SSE3,
 831         .xlevel = 0x80000004,
 832         .model_id = "QEMU Virtual CPU version " QEMU_HW_VERSION,
 833     },
 834     {
 835         .name = "kvm32",
 836         .level = 5,
 837         .vendor = CPUID_VENDOR_INTEL,
 838         .family = 15,
 839         .model = 6,
 840         .stepping = 1,
 841         .features[FEAT_1_EDX] =
 842             PPRO_FEATURES | CPUID_VME |
 843             CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_PSE36,
 844         .features[FEAT_1_ECX] =
 845             CPUID_EXT_SSE3,
 846         .features[FEAT_8000_0001_ECX] =
 847             0,
 848         .xlevel = 0x80000008,
 849         .model_id = "Common 32-bit KVM processor"
 850     },
 851     {
 852         .name = "coreduo",
 853         .level = 10,
 854         .vendor = CPUID_VENDOR_INTEL,
 855         .family = 6,
 856         .model = 14,
 857         .stepping = 8,
 858         /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
 859         .features[FEAT_1_EDX] =
 860             PPRO_FEATURES | CPUID_VME |
 861             CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_ACPI |
 862             CPUID_SS,
 863         /* Missing: CPUID_EXT_EST, CPUID_EXT_TM2 , CPUID_EXT_XTPR,
 864          * CPUID_EXT_PDCM, CPUID_EXT_VMX */
 865         .features[FEAT_1_ECX] =
 866             CPUID_EXT_SSE3 | CPUID_EXT_MONITOR,
 867         .features[FEAT_8000_0001_EDX] =
 868             CPUID_EXT2_NX,
 869         .xlevel = 0x80000008,
 870         .model_id = "Genuine Intel(R) CPU           T2600  @ 2.16GHz",
 871     },
 872     {
 873         .name = "486",
 874         .level = 1,
 875         .vendor = CPUID_VENDOR_INTEL,
 876         .family = 4,
 877         .model = 8,
 878         .stepping = 0,
 879         .features[FEAT_1_EDX] =
 880             I486_FEATURES,
 881         .xlevel = 0,
 882     },
 883     {
 884         .name = "pentium",
 885         .level = 1,
 886         .vendor = CPUID_VENDOR_INTEL,
 887         .family = 5,
 888         .model = 4,
 889         .stepping = 3,
 890         .features[FEAT_1_EDX] =
 891             PENTIUM_FEATURES,
 892         .xlevel = 0,
 893     },
 894     {
 895         .name = "pentium2",
 896         .level = 2,
 897         .vendor = CPUID_VENDOR_INTEL,
 898         .family = 6,
 899         .model = 5,
 900         .stepping = 2,
 901         .features[FEAT_1_EDX] =
 902             PENTIUM2_FEATURES,
 903         .xlevel = 0,
 904     },
 905     {
 906         .name = "pentium3",
 907         .level = 3,
 908         .vendor = CPUID_VENDOR_INTEL,
 909         .family = 6,
 910         .model = 7,
 911         .stepping = 3,
 912         .features[FEAT_1_EDX] =
 913             PENTIUM3_FEATURES,
 914         .xlevel = 0,
 915     },
 916     {
 917         .name = "athlon",
 918         .level = 2,
 919         .vendor = CPUID_VENDOR_AMD,
 920         .family = 6,
 921         .model = 2,
 922         .stepping = 3,
 923         .features[FEAT_1_EDX] =
 924             PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR |
 925             CPUID_MCA,
 926         .features[FEAT_8000_0001_EDX] =
 927             CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT,
 928         .xlevel = 0x80000008,
 929         .model_id = "QEMU Virtual CPU version " QEMU_HW_VERSION,
 930     },
 931     {
 932         .name = "n270",
 933         .level = 10,
 934         .vendor = CPUID_VENDOR_INTEL,
 935         .family = 6,
 936         .model = 28,
 937         .stepping = 2,
 938         /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
 939         .features[FEAT_1_EDX] =
 940             PPRO_FEATURES |
 941             CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME |
 942             CPUID_ACPI | CPUID_SS,
 943             /* Some CPUs got no CPUID_SEP */
 944         /* Missing: CPUID_EXT_DSCPL, CPUID_EXT_EST, CPUID_EXT_TM2,
 945          * CPUID_EXT_XTPR */
 946         .features[FEAT_1_ECX] =
 947             CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
 948             CPUID_EXT_MOVBE,
 949         .features[FEAT_8000_0001_EDX] =
 950             CPUID_EXT2_NX,
 951         .features[FEAT_8000_0001_ECX] =
 952             CPUID_EXT3_LAHF_LM,
 953         .xlevel = 0x80000008,
 954         .model_id = "Intel(R) Atom(TM) CPU N270   @ 1.60GHz",
 955     },
 956     {
 957         .name = "Conroe",
 958         .level = 10,
 959         .vendor = CPUID_VENDOR_INTEL,
 960         .family = 6,
 961         .model = 15,
 962         .stepping = 3,
 963         .features[FEAT_1_EDX] =
 964             CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
 965             CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
 966             CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
 967             CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
 968             CPUID_DE | CPUID_FP87,
 969         .features[FEAT_1_ECX] =
 970             CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
 971         .features[FEAT_8000_0001_EDX] =
 972             CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
 973         .features[FEAT_8000_0001_ECX] =
 974             CPUID_EXT3_LAHF_LM,
 975         .xlevel = 0x80000008,
 976         .model_id = "Intel Celeron_4x0 (Conroe/Merom Class Core 2)",
 977     },
 978     {
 979         .name = "Penryn",
 980         .level = 10,
 981         .vendor = CPUID_VENDOR_INTEL,
 982         .family = 6,
 983         .model = 23,
 984         .stepping = 3,
 985         .features[FEAT_1_EDX] =
 986             CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
 987             CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
 988             CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
 989             CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
 990             CPUID_DE | CPUID_FP87,
 991         .features[FEAT_1_ECX] =
 992             CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
 993             CPUID_EXT_SSE3,
 994         .features[FEAT_8000_0001_EDX] =
 995             CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
 996         .features[FEAT_8000_0001_ECX] =
 997             CPUID_EXT3_LAHF_LM,
 998         .xlevel = 0x80000008,
 999         .model_id = "Intel Core 2 Duo P9xxx (Penryn Class Core 2)",
1000     },
1001     {
1002         .name = "Nehalem",
1003         .level = 11,
1004         .vendor = CPUID_VENDOR_INTEL,
1005         .family = 6,
1006         .model = 26,
1007         .stepping = 3,
1008         .features[FEAT_1_EDX] =
1009             CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1010             CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1011             CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1012             CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1013             CPUID_DE | CPUID_FP87,
1014         .features[FEAT_1_ECX] =
1015             CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
1016             CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
1017         .features[FEAT_8000_0001_EDX] =
1018             CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
1019         .features[FEAT_8000_0001_ECX] =
1020             CPUID_EXT3_LAHF_LM,
1021         .xlevel = 0x80000008,
1022         .model_id = "Intel Core i7 9xx (Nehalem Class Core i7)",
1023     },
1024     {
1025         .name = "Westmere",
1026         .level = 11,
1027         .vendor = CPUID_VENDOR_INTEL,
1028         .family = 6,
1029         .model = 44,
1030         .stepping = 1,
1031         .features[FEAT_1_EDX] =
1032             CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1033             CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1034             CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1035             CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1036             CPUID_DE | CPUID_FP87,
1037         .features[FEAT_1_ECX] =
1038             CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
1039             CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1040             CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
1041         .features[FEAT_8000_0001_EDX] =
1042             CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
1043         .features[FEAT_8000_0001_ECX] =
1044             CPUID_EXT3_LAHF_LM,
1045         .features[FEAT_6_EAX] =
1046             CPUID_6_EAX_ARAT,
1047         .xlevel = 0x80000008,
1048         .model_id = "Westmere E56xx/L56xx/X56xx (Nehalem-C)",
1049     },
1050     {
1051         .name = "SandyBridge",
1052         .level = 0xd,
1053         .vendor = CPUID_VENDOR_INTEL,
1054         .family = 6,
1055         .model = 42,
1056         .stepping = 1,
1057         .features[FEAT_1_EDX] =
1058             CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1059             CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1060             CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1061             CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1062             CPUID_DE | CPUID_FP87,
1063         .features[FEAT_1_ECX] =
1064             CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1065             CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
1066             CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
1067             CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
1068             CPUID_EXT_SSE3,
1069         .features[FEAT_8000_0001_EDX] =
1070             CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1071             CPUID_EXT2_SYSCALL,
1072         .features[FEAT_8000_0001_ECX] =
1073             CPUID_EXT3_LAHF_LM,
1074         .features[FEAT_XSAVE] =
1075             CPUID_XSAVE_XSAVEOPT,
1076         .features[FEAT_6_EAX] =
1077             CPUID_6_EAX_ARAT,
1078         .xlevel = 0x80000008,
1079         .model_id = "Intel Xeon E312xx (Sandy Bridge)",
1080     },
1081     {
1082         .name = "IvyBridge",
1083         .level = 0xd,
1084         .vendor = CPUID_VENDOR_INTEL,
1085         .family = 6,
1086         .model = 58,
1087         .stepping = 9,
1088         .features[FEAT_1_EDX] =
1089             CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1090             CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1091             CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1092             CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1093             CPUID_DE | CPUID_FP87,
1094         .features[FEAT_1_ECX] =
1095             CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1096             CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
1097             CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
1098             CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
1099             CPUID_EXT_SSE3 | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1100         .features[FEAT_7_0_EBX] =
1101             CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_SMEP |
1102             CPUID_7_0_EBX_ERMS,
1103         .features[FEAT_8000_0001_EDX] =
1104             CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1105             CPUID_EXT2_SYSCALL,
1106         .features[FEAT_8000_0001_ECX] =
1107             CPUID_EXT3_LAHF_LM,
1108         .features[FEAT_XSAVE] =
1109             CPUID_XSAVE_XSAVEOPT,
1110         .features[FEAT_6_EAX] =
1111             CPUID_6_EAX_ARAT,
1112         .xlevel = 0x80000008,
1113         .model_id = "Intel Xeon E3-12xx v2 (Ivy Bridge)",
1114     },
1115     {
1116         .name = "Haswell-noTSX",
1117         .level = 0xd,
1118         .vendor = CPUID_VENDOR_INTEL,
1119         .family = 6,
1120         .model = 60,
1121         .stepping = 1,
1122         .features[FEAT_1_EDX] =
1123             CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1124             CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1125             CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1126             CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1127             CPUID_DE | CPUID_FP87,
1128         .features[FEAT_1_ECX] =
1129             CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1130             CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1131             CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1132             CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1133             CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1134             CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1135         .features[FEAT_8000_0001_EDX] =
1136             CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1137             CPUID_EXT2_SYSCALL,
1138         .features[FEAT_8000_0001_ECX] =
1139             CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM,
1140         .features[FEAT_7_0_EBX] =
1141             CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1142             CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1143             CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID,
1144         .features[FEAT_XSAVE] =
1145             CPUID_XSAVE_XSAVEOPT,
1146         .features[FEAT_6_EAX] =
1147             CPUID_6_EAX_ARAT,
1148         .xlevel = 0x80000008,
1149         .model_id = "Intel Core Processor (Haswell, no TSX)",
1150     },    {
1151         .name = "Haswell",
1152         .level = 0xd,
1153         .vendor = CPUID_VENDOR_INTEL,
1154         .family = 6,
1155         .model = 60,
1156         .stepping = 1,
1157         .features[FEAT_1_EDX] =
1158             CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1159             CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1160             CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1161             CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1162             CPUID_DE | CPUID_FP87,
1163         .features[FEAT_1_ECX] =
1164             CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1165             CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1166             CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1167             CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1168             CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1169             CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1170         .features[FEAT_8000_0001_EDX] =
1171             CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1172             CPUID_EXT2_SYSCALL,
1173         .features[FEAT_8000_0001_ECX] =
1174             CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM,
1175         .features[FEAT_7_0_EBX] =
1176             CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1177             CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1178             CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
1179             CPUID_7_0_EBX_RTM,
1180         .features[FEAT_XSAVE] =
1181             CPUID_XSAVE_XSAVEOPT,
1182         .features[FEAT_6_EAX] =
1183             CPUID_6_EAX_ARAT,
1184         .xlevel = 0x80000008,
1185         .model_id = "Intel Core Processor (Haswell)",
1186     },
1187     {
1188         .name = "Broadwell-noTSX",
1189         .level = 0xd,
1190         .vendor = CPUID_VENDOR_INTEL,
1191         .family = 6,
1192         .model = 61,
1193         .stepping = 2,
1194         .features[FEAT_1_EDX] =
1195             CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1196             CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1197             CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1198             CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1199             CPUID_DE | CPUID_FP87,
1200         .features[FEAT_1_ECX] =
1201             CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1202             CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1203             CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1204             CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1205             CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1206             CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1207         .features[FEAT_8000_0001_EDX] =
1208             CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1209             CPUID_EXT2_SYSCALL,
1210         .features[FEAT_8000_0001_ECX] =
1211             CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
1212         .features[FEAT_7_0_EBX] =
1213             CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1214             CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1215             CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
1216             CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
1217             CPUID_7_0_EBX_SMAP,
1218         .features[FEAT_XSAVE] =
1219             CPUID_XSAVE_XSAVEOPT,
1220         .features[FEAT_6_EAX] =
1221             CPUID_6_EAX_ARAT,
1222         .xlevel = 0x80000008,
1223         .model_id = "Intel Core Processor (Broadwell, no TSX)",
1224     },
1225     {
1226         .name = "Broadwell",
1227         .level = 0xd,
1228         .vendor = CPUID_VENDOR_INTEL,
1229         .family = 6,
1230         .model = 61,
1231         .stepping = 2,
1232         .features[FEAT_1_EDX] =
1233             CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1234             CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1235             CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1236             CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1237             CPUID_DE | CPUID_FP87,
1238         .features[FEAT_1_ECX] =
1239             CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1240             CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1241             CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1242             CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1243             CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1244             CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1245         .features[FEAT_8000_0001_EDX] =
1246             CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1247             CPUID_EXT2_SYSCALL,
1248         .features[FEAT_8000_0001_ECX] =
1249             CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
1250         .features[FEAT_7_0_EBX] =
1251             CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1252             CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1253             CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
1254             CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
1255             CPUID_7_0_EBX_SMAP,
1256         .features[FEAT_XSAVE] =
1257             CPUID_XSAVE_XSAVEOPT,
1258         .features[FEAT_6_EAX] =
1259             CPUID_6_EAX_ARAT,
1260         .xlevel = 0x80000008,
1261         .model_id = "Intel Core Processor (Broadwell)",
1262     },
1263     {
1264         .name = "Skylake-Client",
1265         .level = 0xd,
1266         .vendor = CPUID_VENDOR_INTEL,
1267         .family = 6,
1268         .model = 94,
1269         .stepping = 3,
1270         .features[FEAT_1_EDX] =
1271             CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1272             CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1273             CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1274             CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1275             CPUID_DE | CPUID_FP87,
1276         .features[FEAT_1_ECX] =
1277             CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1278             CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1279             CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1280             CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1281             CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1282             CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1283         .features[FEAT_8000_0001_EDX] =
1284             CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1285             CPUID_EXT2_SYSCALL,
1286         .features[FEAT_8000_0001_ECX] =
1287             CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
1288         .features[FEAT_7_0_EBX] =
1289             CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1290             CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1291             CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
1292             CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
1293             CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX,
1294         /* Missing: XSAVES (not supported by some Linux versions,
1295          * including v4.1 to v4.6).
1296          * KVM doesn't yet expose any XSAVES state save component,
1297          * and the only one defined in Skylake (processor tracing)
1298          * probably will block migration anyway.
1299          */
1300         .features[FEAT_XSAVE] =
1301             CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
1302             CPUID_XSAVE_XGETBV1,
1303         .features[FEAT_6_EAX] =
1304             CPUID_6_EAX_ARAT,
1305         .xlevel = 0x80000008,
1306         .model_id = "Intel Core Processor (Skylake)",
1307     },
1308     {
1309         .name = "Opteron_G1",
1310         .level = 5,
1311         .vendor = CPUID_VENDOR_AMD,
1312         .family = 15,
1313         .model = 6,
1314         .stepping = 1,
1315         .features[FEAT_1_EDX] =
1316             CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1317             CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1318             CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1319             CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1320             CPUID_DE | CPUID_FP87,
1321         .features[FEAT_1_ECX] =
1322             CPUID_EXT_SSE3,
1323         .features[FEAT_8000_0001_EDX] =
1324             CPUID_EXT2_LM | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
1325             CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
1326             CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
1327             CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
1328             CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
1329             CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
1330         .xlevel = 0x80000008,
1331         .model_id = "AMD Opteron 240 (Gen 1 Class Opteron)",
1332     },
1333     {
1334         .name = "Opteron_G2",
1335         .level = 5,
1336         .vendor = CPUID_VENDOR_AMD,
1337         .family = 15,
1338         .model = 6,
1339         .stepping = 1,
1340         .features[FEAT_1_EDX] =
1341             CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1342             CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1343             CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1344             CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1345             CPUID_DE | CPUID_FP87,
1346         .features[FEAT_1_ECX] =
1347             CPUID_EXT_CX16 | CPUID_EXT_SSE3,
1348         /* Missing: CPUID_EXT2_RDTSCP */
1349         .features[FEAT_8000_0001_EDX] =
1350             CPUID_EXT2_LM | CPUID_EXT2_FXSR |
1351             CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
1352             CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
1353             CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
1354             CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
1355             CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
1356             CPUID_EXT2_DE | CPUID_EXT2_FPU,
1357         .features[FEAT_8000_0001_ECX] =
1358             CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
1359         .xlevel = 0x80000008,
1360         .model_id = "AMD Opteron 22xx (Gen 2 Class Opteron)",
1361     },
1362     {
1363         .name = "Opteron_G3",
1364         .level = 5,
1365         .vendor = CPUID_VENDOR_AMD,
1366         .family = 16,
1367         .model = 2,
1368         .stepping = 3,
1369         .features[FEAT_1_EDX] =
1370             CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1371             CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1372             CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1373             CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1374             CPUID_DE | CPUID_FP87,
1375         .features[FEAT_1_ECX] =
1376             CPUID_EXT_POPCNT | CPUID_EXT_CX16 | CPUID_EXT_MONITOR |
1377             CPUID_EXT_SSE3,
1378         /* Missing: CPUID_EXT2_RDTSCP */
1379         .features[FEAT_8000_0001_EDX] =
1380             CPUID_EXT2_LM | CPUID_EXT2_FXSR |
1381             CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
1382             CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
1383             CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
1384             CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
1385             CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
1386             CPUID_EXT2_DE | CPUID_EXT2_FPU,
1387         .features[FEAT_8000_0001_ECX] =
1388             CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A |
1389             CPUID_EXT3_ABM | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
1390         .xlevel = 0x80000008,
1391         .model_id = "AMD Opteron 23xx (Gen 3 Class Opteron)",
1392     },
1393     {
1394         .name = "Opteron_G4",
1395         .level = 0xd,
1396         .vendor = CPUID_VENDOR_AMD,
1397         .family = 21,
1398         .model = 1,
1399         .stepping = 2,
1400         .features[FEAT_1_EDX] =
1401             CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1402             CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1403             CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1404             CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1405             CPUID_DE | CPUID_FP87,
1406         .features[FEAT_1_ECX] =
1407             CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1408             CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
1409             CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
1410             CPUID_EXT_SSE3,
1411         /* Missing: CPUID_EXT2_RDTSCP */
1412         .features[FEAT_8000_0001_EDX] =
1413             CPUID_EXT2_LM |
1414             CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
1415             CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
1416             CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
1417             CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
1418             CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
1419             CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
1420         .features[FEAT_8000_0001_ECX] =
1421             CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
1422             CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
1423             CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
1424             CPUID_EXT3_LAHF_LM,
1425         /* no xsaveopt! */
1426         .xlevel = 0x8000001A,
1427         .model_id = "AMD Opteron 62xx class CPU",
1428     },
1429     {
1430         .name = "Opteron_G5",
1431         .level = 0xd,
1432         .vendor = CPUID_VENDOR_AMD,
1433         .family = 21,
1434         .model = 2,
1435         .stepping = 0,
1436         .features[FEAT_1_EDX] =
1437             CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1438             CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1439             CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1440             CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1441             CPUID_DE | CPUID_FP87,
1442         .features[FEAT_1_ECX] =
1443             CPUID_EXT_F16C | CPUID_EXT_AVX | CPUID_EXT_XSAVE |
1444             CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
1445             CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_FMA |
1446             CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
1447         /* Missing: CPUID_EXT2_RDTSCP */
1448         .features[FEAT_8000_0001_EDX] =
1449             CPUID_EXT2_LM |
1450             CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
1451             CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
1452             CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
1453             CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
1454             CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
1455             CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
1456         .features[FEAT_8000_0001_ECX] =
1457             CPUID_EXT3_TBM | CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
1458             CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
1459             CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
1460             CPUID_EXT3_LAHF_LM,
1461         /* no xsaveopt! */
1462         .xlevel = 0x8000001A,
1463         .model_id = "AMD Opteron 63xx class CPU",
1464     },
1465 };
1466
1467 typedef struct PropValue {
1468     const char *prop, *value;
1469 } PropValue;
1470
1471 /* KVM-specific features that are automatically added/removed
1472  * from all CPU models when KVM is enabled.
1473  */
1474 static PropValue kvm_default_props[] = {
1475     { "kvmclock", "on" },
1476     { "kvm-nopiodelay", "on" },
1477     { "kvm-asyncpf", "on" },
1478     { "kvm-steal-time", "on" },
1479     { "kvm-pv-eoi", "on" },
1480     { "kvmclock-stable-bit", "on" },
1481     { "x2apic", "on" },
1482     { "acpi", "off" },
1483     { "monitor", "off" },
1484     { "svm", "off" },
1485     { NULL, NULL },
1486 };
1487
1488 /* TCG-specific defaults that override all CPU models when using TCG
1489  */
1490 static PropValue tcg_default_props[] = {
1491     { "vme", "off" },
1492     { NULL, NULL },
1493 };
1494
1495
1496 void x86_cpu_change_kvm_default(const char *prop, const char *value)
1497 {
1498     PropValue *pv;
1499     for (pv = kvm_default_props; pv->prop; pv++) {
1500         if (!strcmp(pv->prop, prop)) {
1501             pv->value = value;
1502             break;
1503         }
1504     }
1505
1506     /* It is valid to call this function only for properties that
1507      * are already present in the kvm_default_props table.
1508      */
1509     assert(pv->prop);
1510 }
1511
1512 static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w,
1513                                                    bool migratable_only);
1514
1515 #ifdef CONFIG_KVM
1516
1517 static bool lmce_supported(void)
1518 {
1519     uint64_t mce_cap;
1520
1521     if (kvm_ioctl(kvm_state, KVM_X86_GET_MCE_CAP_SUPPORTED, &mce_cap) < 0) {
1522         return false;
1523     }
1524
1525     return !!(mce_cap & MCG_LMCE_P);
1526 }
1527
1528 static int cpu_x86_fill_model_id(char *str)
1529 {
1530     uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
1531     int i;
1532
1533     for (i = 0; i < 3; i++) {
1534         host_cpuid(0x80000002 + i, 0, &eax, &ebx, &ecx, &edx);
1535         memcpy(str + i * 16 +  0, &eax, 4);
1536         memcpy(str + i * 16 +  4, &ebx, 4);
1537         memcpy(str + i * 16 +  8, &ecx, 4);
1538         memcpy(str + i * 16 + 12, &edx, 4);
1539     }
1540     return 0;
1541 }
1542
1543 static X86CPUDefinition host_cpudef;
1544
1545 static Property host_x86_cpu_properties[] = {
1546     DEFINE_PROP_BOOL("migratable", X86CPU, migratable, true),
1547     DEFINE_PROP_BOOL("host-cache-info", X86CPU, cache_info_passthrough, false),
1548     DEFINE_PROP_END_OF_LIST()
1549 };
1550
1551 /* class_init for the "host" CPU model
1552  *
1553  * This function may be called before KVM is initialized.
1554  */
1555 static void host_x86_cpu_class_init(ObjectClass *oc, void *data)
1556 {
1557     DeviceClass *dc = DEVICE_CLASS(oc);
1558     X86CPUClass *xcc = X86_CPU_CLASS(oc);
1559     uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
1560
1561     xcc->kvm_required = true;
1562
1563     host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx);
1564     x86_cpu_vendor_words2str(host_cpudef.vendor, ebx, edx, ecx);
1565
1566     host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx);
1567     host_cpudef.family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF);
1568     host_cpudef.model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12);
1569     host_cpudef.stepping = eax & 0x0F;
1570
1571     cpu_x86_fill_model_id(host_cpudef.model_id);
1572
1573     xcc->cpu_def = &host_cpudef;
1574     xcc->model_description =
1575         "KVM processor with all supported host features "
1576         "(only available in KVM mode)";
1577
1578     /* level, xlevel, xlevel2, and the feature words are initialized on
1579      * instance_init, because they require KVM to be initialized.
1580      */
1581
1582     dc->props = host_x86_cpu_properties;
1583     /* Reason: host_x86_cpu_initfn() dies when !kvm_enabled() */
1584     dc->cannot_destroy_with_object_finalize_yet = true;
1585 }
1586
1587 static void host_x86_cpu_initfn(Object *obj)
1588 {
1589     X86CPU *cpu = X86_CPU(obj);
1590     CPUX86State *env = &cpu->env;
1591     KVMState *s = kvm_state;
1592
1593     /* We can't fill the features array here because we don't know yet if
1594      * "migratable" is true or false.
1595      */
1596     cpu->host_features = true;
1597
1598     /* If KVM is disabled, x86_cpu_realizefn() will report an error later */
1599     if (kvm_enabled()) {
1600         env->cpuid_min_level =
1601             kvm_arch_get_supported_cpuid(s, 0x0, 0, R_EAX);
1602         env->cpuid_min_xlevel =
1603             kvm_arch_get_supported_cpuid(s, 0x80000000, 0, R_EAX);
1604         env->cpuid_min_xlevel2 =
1605             kvm_arch_get_supported_cpuid(s, 0xC0000000, 0, R_EAX);
1606
1607         if (lmce_supported()) {
1608             object_property_set_bool(OBJECT(cpu), true, "lmce", &error_abort);
1609         }
1610     }
1611
1612     object_property_set_bool(OBJECT(cpu), true, "pmu", &error_abort);
1613 }
1614
1615 static const TypeInfo host_x86_cpu_type_info = {
1616     .name = X86_CPU_TYPE_NAME("host"),
1617     .parent = TYPE_X86_CPU,
1618     .instance_init = host_x86_cpu_initfn,
1619     .class_init = host_x86_cpu_class_init,
1620 };
1621
1622 #endif
1623
1624 static void report_unavailable_features(FeatureWord w, uint32_t mask)
1625 {
1626     FeatureWordInfo *f = &feature_word_info[w];
1627     int i;
1628
1629     for (i = 0; i < 32; ++i) {
1630         if ((1UL << i) & mask) {
1631             const char *reg = get_register_name_32(f->cpuid_reg);
1632             assert(reg);
1633             fprintf(stderr, "warning: %s doesn't support requested feature: "
1634                 "CPUID.%02XH:%s%s%s [bit %d]\n",
1635                 kvm_enabled() ? "host" : "TCG",
1636                 f->cpuid_eax, reg,
1637                 f->feat_names[i] ? "." : "",
1638                 f->feat_names[i] ? f->feat_names[i] : "", i);
1639         }
1640     }
1641 }
1642
1643 static void x86_cpuid_version_get_family(Object *obj, Visitor *v,
1644                                          const char *name, void *opaque,
1645                                          Error **errp)
1646 {
1647     X86CPU *cpu = X86_CPU(obj);
1648     CPUX86State *env = &cpu->env;
1649     int64_t value;
1650
1651     value = (env->cpuid_version >> 8) & 0xf;
1652     if (value == 0xf) {
1653         value += (env->cpuid_version >> 20) & 0xff;
1654     }
1655     visit_type_int(v, name, &value, errp);
1656 }
1657
1658 static void x86_cpuid_version_set_family(Object *obj, Visitor *v,
1659                                          const char *name, void *opaque,
1660                                          Error **errp)
1661 {
1662     X86CPU *cpu = X86_CPU(obj);
1663     CPUX86State *env = &cpu->env;
1664     const int64_t min = 0;
1665     const int64_t max = 0xff + 0xf;
1666     Error *local_err = NULL;
1667     int64_t value;
1668
1669     visit_type_int(v, name, &value, &local_err);
1670     if (local_err) {
1671         error_propagate(errp, local_err);
1672         return;
1673     }
1674     if (value < min || value > max) {
1675         error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1676                    name ? name : "null", value, min, max);
1677         return;
1678     }
1679
1680     env->cpuid_version &= ~0xff00f00;
1681     if (value > 0x0f) {
1682         env->cpuid_version |= 0xf00 | ((value - 0x0f) << 20);
1683     } else {
1684         env->cpuid_version |= value << 8;
1685     }
1686 }
1687
1688 static void x86_cpuid_version_get_model(Object *obj, Visitor *v,
1689                                         const char *name, void *opaque,
1690                                         Error **errp)
1691 {
1692     X86CPU *cpu = X86_CPU(obj);
1693     CPUX86State *env = &cpu->env;
1694     int64_t value;
1695
1696     value = (env->cpuid_version >> 4) & 0xf;
1697     value |= ((env->cpuid_version >> 16) & 0xf) << 4;
1698     visit_type_int(v, name, &value, errp);
1699 }
1700
1701 static void x86_cpuid_version_set_model(Object *obj, Visitor *v,
1702                                         const char *name, void *opaque,
1703                                         Error **errp)
1704 {
1705     X86CPU *cpu = X86_CPU(obj);
1706     CPUX86State *env = &cpu->env;
1707     const int64_t min = 0;
1708     const int64_t max = 0xff;
1709     Error *local_err = NULL;
1710     int64_t value;
1711
1712     visit_type_int(v, name, &value, &local_err);
1713     if (local_err) {
1714         error_propagate(errp, local_err);
1715         return;
1716     }
1717     if (value < min || value > max) {
1718         error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1719                    name ? name : "null", value, min, max);
1720         return;
1721     }
1722
1723     env->cpuid_version &= ~0xf00f0;
1724     env->cpuid_version |= ((value & 0xf) << 4) | ((value >> 4) << 16);
1725 }
1726
1727 static void x86_cpuid_version_get_stepping(Object *obj, Visitor *v,
1728                                            const char *name, void *opaque,
1729                                            Error **errp)
1730 {
1731     X86CPU *cpu = X86_CPU(obj);
1732     CPUX86State *env = &cpu->env;
1733     int64_t value;
1734
1735     value = env->cpuid_version & 0xf;
1736     visit_type_int(v, name, &value, errp);
1737 }
1738
1739 static void x86_cpuid_version_set_stepping(Object *obj, Visitor *v,
1740                                            const char *name, void *opaque,
1741                                            Error **errp)
1742 {
1743     X86CPU *cpu = X86_CPU(obj);
1744     CPUX86State *env = &cpu->env;
1745     const int64_t min = 0;
1746     const int64_t max = 0xf;
1747     Error *local_err = NULL;
1748     int64_t value;
1749
1750     visit_type_int(v, name, &value, &local_err);
1751     if (local_err) {
1752         error_propagate(errp, local_err);
1753         return;
1754     }
1755     if (value < min || value > max) {
1756         error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1757                    name ? name : "null", value, min, max);
1758         return;
1759     }
1760
1761     env->cpuid_version &= ~0xf;
1762     env->cpuid_version |= value & 0xf;
1763 }
1764
1765 static char *x86_cpuid_get_vendor(Object *obj, Error **errp)
1766 {
1767     X86CPU *cpu = X86_CPU(obj);
1768     CPUX86State *env = &cpu->env;
1769     char *value;
1770
1771     value = g_malloc(CPUID_VENDOR_SZ + 1);
1772     x86_cpu_vendor_words2str(value, env->cpuid_vendor1, env->cpuid_vendor2,
1773                              env->cpuid_vendor3);
1774     return value;
1775 }
1776
1777 static void x86_cpuid_set_vendor(Object *obj, const char *value,
1778                                  Error **errp)
1779 {
1780     X86CPU *cpu = X86_CPU(obj);
1781     CPUX86State *env = &cpu->env;
1782     int i;
1783
1784     if (strlen(value) != CPUID_VENDOR_SZ) {
1785         error_setg(errp, QERR_PROPERTY_VALUE_BAD, "", "vendor", value);
1786         return;
1787     }
1788
1789     env->cpuid_vendor1 = 0;
1790     env->cpuid_vendor2 = 0;
1791     env->cpuid_vendor3 = 0;
1792     for (i = 0; i < 4; i++) {
1793         env->cpuid_vendor1 |= ((uint8_t)value[i    ]) << (8 * i);
1794         env->cpuid_vendor2 |= ((uint8_t)value[i + 4]) << (8 * i);
1795         env->cpuid_vendor3 |= ((uint8_t)value[i + 8]) << (8 * i);
1796     }
1797 }
1798
1799 static char *x86_cpuid_get_model_id(Object *obj, Error **errp)
1800 {
1801     X86CPU *cpu = X86_CPU(obj);
1802     CPUX86State *env = &cpu->env;
1803     char *value;
1804     int i;
1805
1806     value = g_malloc(48 + 1);
1807     for (i = 0; i < 48; i++) {
1808         value[i] = env->cpuid_model[i >> 2] >> (8 * (i & 3));
1809     }
1810     value[48] = '\0';
1811     return value;
1812 }
1813
1814 static void x86_cpuid_set_model_id(Object *obj, const char *model_id,
1815                                    Error **errp)
1816 {
1817     X86CPU *cpu = X86_CPU(obj);
1818     CPUX86State *env = &cpu->env;
1819     int c, len, i;
1820
1821     if (model_id == NULL) {
1822         model_id = "";
1823     }
1824     len = strlen(model_id);
1825     memset(env->cpuid_model, 0, 48);
1826     for (i = 0; i < 48; i++) {
1827         if (i >= len) {
1828             c = '\0';
1829         } else {
1830             c = (uint8_t)model_id[i];
1831         }
1832         env->cpuid_model[i >> 2] |= c << (8 * (i & 3));
1833     }
1834 }
1835
1836 static void x86_cpuid_get_tsc_freq(Object *obj, Visitor *v, const char *name,
1837                                    void *opaque, Error **errp)
1838 {
1839     X86CPU *cpu = X86_CPU(obj);
1840     int64_t value;
1841
1842     value = cpu->env.tsc_khz * 1000;
1843     visit_type_int(v, name, &value, errp);
1844 }
1845
1846 static void x86_cpuid_set_tsc_freq(Object *obj, Visitor *v, const char *name,
1847                                    void *opaque, Error **errp)
1848 {
1849     X86CPU *cpu = X86_CPU(obj);
1850     const int64_t min = 0;
1851     const int64_t max = INT64_MAX;
1852     Error *local_err = NULL;
1853     int64_t value;
1854
1855     visit_type_int(v, name, &value, &local_err);
1856     if (local_err) {
1857         error_propagate(errp, local_err);
1858         return;
1859     }
1860     if (value < min || value > max) {
1861         error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1862                    name ? name : "null", value, min, max);
1863         return;
1864     }
1865
1866     cpu->env.tsc_khz = cpu->env.user_tsc_khz = value / 1000;
1867 }
1868
1869 /* Generic getter for "feature-words" and "filtered-features" properties */
1870 static void x86_cpu_get_feature_words(Object *obj, Visitor *v,
1871                                       const char *name, void *opaque,
1872                                       Error **errp)
1873 {
1874     uint32_t *array = (uint32_t *)opaque;
1875     FeatureWord w;
1876     X86CPUFeatureWordInfo word_infos[FEATURE_WORDS] = { };
1877     X86CPUFeatureWordInfoList list_entries[FEATURE_WORDS] = { };
1878     X86CPUFeatureWordInfoList *list = NULL;
1879
1880     for (w = 0; w < FEATURE_WORDS; w++) {
1881         FeatureWordInfo *wi = &feature_word_info[w];
1882         X86CPUFeatureWordInfo *qwi = &word_infos[w];
1883         qwi->cpuid_input_eax = wi->cpuid_eax;
1884         qwi->has_cpuid_input_ecx = wi->cpuid_needs_ecx;
1885         qwi->cpuid_input_ecx = wi->cpuid_ecx;
1886         qwi->cpuid_register = x86_reg_info_32[wi->cpuid_reg].qapi_enum;
1887         qwi->features = array[w];
1888
1889         /* List will be in reverse order, but order shouldn't matter */
1890         list_entries[w].next = list;
1891         list_entries[w].value = &word_infos[w];
1892         list = &list_entries[w];
1893     }
1894
1895     visit_type_X86CPUFeatureWordInfoList(v, "feature-words", &list, errp);
1896 }
1897
1898 static void x86_get_hv_spinlocks(Object *obj, Visitor *v, const char *name,
1899                                  void *opaque, Error **errp)
1900 {
1901     X86CPU *cpu = X86_CPU(obj);
1902     int64_t value = cpu->hyperv_spinlock_attempts;
1903
1904     visit_type_int(v, name, &value, errp);
1905 }
1906
1907 static void x86_set_hv_spinlocks(Object *obj, Visitor *v, const char *name,
1908                                  void *opaque, Error **errp)
1909 {
1910     const int64_t min = 0xFFF;
1911     const int64_t max = UINT_MAX;
1912     X86CPU *cpu = X86_CPU(obj);
1913     Error *err = NULL;
1914     int64_t value;
1915
1916     visit_type_int(v, name, &value, &err);
1917     if (err) {
1918         error_propagate(errp, err);
1919         return;
1920     }
1921
1922     if (value < min || value > max) {
1923         error_setg(errp, "Property %s.%s doesn't take value %" PRId64
1924                    " (minimum: %" PRId64 ", maximum: %" PRId64 ")",
1925                    object_get_typename(obj), name ? name : "null",
1926                    value, min, max);
1927         return;
1928     }
1929     cpu->hyperv_spinlock_attempts = value;
1930 }
1931
1932 static PropertyInfo qdev_prop_spinlocks = {
1933     .name  = "int",
1934     .get   = x86_get_hv_spinlocks,
1935     .set   = x86_set_hv_spinlocks,
1936 };
1937
1938 /* Convert all '_' in a feature string option name to '-', to make feature
1939  * name conform to QOM property naming rule, which uses '-' instead of '_'.
1940  */
1941 static inline void feat2prop(char *s)
1942 {
1943     while ((s = strchr(s, '_'))) {
1944         *s = '-';
1945     }
1946 }
1947
1948 /* Return the feature property name for a feature flag bit */
1949 static const char *x86_cpu_feature_name(FeatureWord w, int bitnr)
1950 {
1951     /* XSAVE components are automatically enabled by other features,
1952      * so return the original feature name instead
1953      */
1954     if (w == FEAT_XSAVE_COMP_LO || w == FEAT_XSAVE_COMP_HI) {
1955         int comp = (w == FEAT_XSAVE_COMP_HI) ? bitnr + 32 : bitnr;
1956
1957         if (comp < ARRAY_SIZE(x86_ext_save_areas) &&
1958             x86_ext_save_areas[comp].bits) {
1959             w = x86_ext_save_areas[comp].feature;
1960             bitnr = ctz32(x86_ext_save_areas[comp].bits);
1961         }
1962     }
1963
1964     assert(bitnr < 32);
1965     assert(w < FEATURE_WORDS);
1966     return feature_word_info[w].feat_names[bitnr];
1967 }
1968
1969 /* Compatibily hack to maintain legacy +-feat semantic,
1970  * where +-feat overwrites any feature set by
1971  * feat=on|feat even if the later is parsed after +-feat
1972  * (i.e. "-x2apic,x2apic=on" will result in x2apic disabled)
1973  */
1974 static GList *plus_features, *minus_features;
1975
1976 /* Parse "+feature,-feature,feature=foo" CPU feature string
1977  */
1978 static void x86_cpu_parse_featurestr(const char *typename, char *features,
1979                                      Error **errp)
1980 {
1981     char *featurestr; /* Single 'key=value" string being parsed */
1982     Error *local_err = NULL;
1983     static bool cpu_globals_initialized;
1984
1985     if (cpu_globals_initialized) {
1986         return;
1987     }
1988     cpu_globals_initialized = true;
1989
1990     if (!features) {
1991         return;
1992     }
1993
1994     for (featurestr = strtok(features, ",");
1995          featurestr  && !local_err;
1996          featurestr = strtok(NULL, ",")) {
1997         const char *name;
1998         const char *val = NULL;
1999         char *eq = NULL;
2000         char num[32];
2001         GlobalProperty *prop;
2002
2003         /* Compatibility syntax: */
2004         if (featurestr[0] == '+') {
2005             plus_features = g_list_append(plus_features,
2006                                           g_strdup(featurestr + 1));
2007             continue;
2008         } else if (featurestr[0] == '-') {
2009             minus_features = g_list_append(minus_features,
2010                                            g_strdup(featurestr + 1));
2011             continue;
2012         }
2013
2014         eq = strchr(featurestr, '=');
2015         if (eq) {
2016             *eq++ = 0;
2017             val = eq;
2018         } else {
2019             val = "on";
2020         }
2021
2022         feat2prop(featurestr);
2023         name = featurestr;
2024
2025         /* Special case: */
2026         if (!strcmp(name, "tsc-freq")) {
2027             int64_t tsc_freq;
2028             char *err;
2029
2030             tsc_freq = qemu_strtosz_suffix_unit(val, &err,
2031                                            QEMU_STRTOSZ_DEFSUFFIX_B, 1000);
2032             if (tsc_freq < 0 || *err) {
2033                 error_setg(errp, "bad numerical value %s", val);
2034                 return;
2035             }
2036             snprintf(num, sizeof(num), "%" PRId64, tsc_freq);
2037             val = num;
2038             name = "tsc-frequency";
2039         }
2040
2041         prop = g_new0(typeof(*prop), 1);
2042         prop->driver = typename;
2043         prop->property = g_strdup(name);
2044         prop->value = g_strdup(val);
2045         prop->errp = &error_fatal;
2046         qdev_prop_register_global(prop);
2047     }
2048
2049     if (local_err) {
2050         error_propagate(errp, local_err);
2051     }
2052 }
2053
2054 static void x86_cpu_load_features(X86CPU *cpu, Error **errp);
2055 static int x86_cpu_filter_features(X86CPU *cpu);
2056
2057 /* Check for missing features that may prevent the CPU class from
2058  * running using the current machine and accelerator.
2059  */
2060 static void x86_cpu_class_check_missing_features(X86CPUClass *xcc,
2061                                                  strList **missing_feats)
2062 {
2063     X86CPU *xc;
2064     FeatureWord w;
2065     Error *err = NULL;
2066     strList **next = missing_feats;
2067
2068     if (xcc->kvm_required && !kvm_enabled()) {
2069         strList *new = g_new0(strList, 1);
2070         new->value = g_strdup("kvm");;
2071         *missing_feats = new;
2072         return;
2073     }
2074
2075     xc = X86_CPU(object_new(object_class_get_name(OBJECT_CLASS(xcc))));
2076
2077     x86_cpu_load_features(xc, &err);
2078     if (err) {
2079         /* Errors at x86_cpu_load_features should never happen,
2080          * but in case it does, just report the model as not
2081          * runnable at all using the "type" property.
2082          */
2083         strList *new = g_new0(strList, 1);
2084         new->value = g_strdup("type");
2085         *next = new;
2086         next = &new->next;
2087     }
2088
2089     x86_cpu_filter_features(xc);
2090
2091     for (w = 0; w < FEATURE_WORDS; w++) {
2092         uint32_t filtered = xc->filtered_features[w];
2093         int i;
2094         for (i = 0; i < 32; i++) {
2095             if (filtered & (1UL << i)) {
2096                 strList *new = g_new0(strList, 1);
2097                 new->value = g_strdup(x86_cpu_feature_name(w, i));
2098                 *next = new;
2099                 next = &new->next;
2100             }
2101         }
2102     }
2103
2104     object_unref(OBJECT(xc));
2105 }
2106
2107 /* Print all cpuid feature names in featureset
2108  */
2109 static void listflags(FILE *f, fprintf_function print, const char **featureset)
2110 {
2111     int bit;
2112     bool first = true;
2113
2114     for (bit = 0; bit < 32; bit++) {
2115         if (featureset[bit]) {
2116             print(f, "%s%s", first ? "" : " ", featureset[bit]);
2117             first = false;
2118         }
2119     }
2120 }
2121
2122 /* Sort alphabetically by type name, listing kvm_required models last. */
2123 static gint x86_cpu_list_compare(gconstpointer a, gconstpointer b)
2124 {
2125     ObjectClass *class_a = (ObjectClass *)a;
2126     ObjectClass *class_b = (ObjectClass *)b;
2127     X86CPUClass *cc_a = X86_CPU_CLASS(class_a);
2128     X86CPUClass *cc_b = X86_CPU_CLASS(class_b);
2129     const char *name_a, *name_b;
2130
2131     if (cc_a->kvm_required != cc_b->kvm_required) {
2132         /* kvm_required items go last */
2133         return cc_a->kvm_required ? 1 : -1;
2134     } else {
2135         name_a = object_class_get_name(class_a);
2136         name_b = object_class_get_name(class_b);
2137         return strcmp(name_a, name_b);
2138     }
2139 }
2140
2141 static GSList *get_sorted_cpu_model_list(void)
2142 {
2143     GSList *list = object_class_get_list(TYPE_X86_CPU, false);
2144     list = g_slist_sort(list, x86_cpu_list_compare);
2145     return list;
2146 }
2147
2148 static void x86_cpu_list_entry(gpointer data, gpointer user_data)
2149 {
2150     ObjectClass *oc = data;
2151     X86CPUClass *cc = X86_CPU_CLASS(oc);
2152     CPUListState *s = user_data;
2153     char *name = x86_cpu_class_get_model_name(cc);
2154     const char *desc = cc->model_description;
2155     if (!desc) {
2156         desc = cc->cpu_def->model_id;
2157     }
2158
2159     (*s->cpu_fprintf)(s->file, "x86 %16s  %-48s\n",
2160                       name, desc);
2161     g_free(name);
2162 }
2163
2164 /* list available CPU models and flags */
2165 void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf)
2166 {
2167     int i;
2168     CPUListState s = {
2169         .file = f,
2170         .cpu_fprintf = cpu_fprintf,
2171     };
2172     GSList *list;
2173
2174     (*cpu_fprintf)(f, "Available CPUs:\n");
2175     list = get_sorted_cpu_model_list();
2176     g_slist_foreach(list, x86_cpu_list_entry, &s);
2177     g_slist_free(list);
2178
2179     (*cpu_fprintf)(f, "\nRecognized CPUID flags:\n");
2180     for (i = 0; i < ARRAY_SIZE(feature_word_info); i++) {
2181         FeatureWordInfo *fw = &feature_word_info[i];
2182
2183         (*cpu_fprintf)(f, "  ");
2184         listflags(f, cpu_fprintf, fw->feat_names);
2185         (*cpu_fprintf)(f, "\n");
2186     }
2187 }
2188
2189 static void x86_cpu_definition_entry(gpointer data, gpointer user_data)
2190 {
2191     ObjectClass *oc = data;
2192     X86CPUClass *cc = X86_CPU_CLASS(oc);
2193     CpuDefinitionInfoList **cpu_list = user_data;
2194     CpuDefinitionInfoList *entry;
2195     CpuDefinitionInfo *info;
2196
2197     info = g_malloc0(sizeof(*info));
2198     info->name = x86_cpu_class_get_model_name(cc);
2199     x86_cpu_class_check_missing_features(cc, &info->unavailable_features);
2200     info->has_unavailable_features = true;
2201
2202     entry = g_malloc0(sizeof(*entry));
2203     entry->value = info;
2204     entry->next = *cpu_list;
2205     *cpu_list = entry;
2206 }
2207
2208 CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp)
2209 {
2210     CpuDefinitionInfoList *cpu_list = NULL;
2211     GSList *list = get_sorted_cpu_model_list();
2212     g_slist_foreach(list, x86_cpu_definition_entry, &cpu_list);
2213     g_slist_free(list);
2214     return cpu_list;
2215 }
2216
2217 static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w,
2218                                                    bool migratable_only)
2219 {
2220     FeatureWordInfo *wi = &feature_word_info[w];
2221     uint32_t r;
2222
2223     if (kvm_enabled()) {
2224         r = kvm_arch_get_supported_cpuid(kvm_state, wi->cpuid_eax,
2225                                                     wi->cpuid_ecx,
2226                                                     wi->cpuid_reg);
2227     } else if (tcg_enabled()) {
2228         r = wi->tcg_features;
2229     } else {
2230         return ~0;
2231     }
2232     if (migratable_only) {
2233         r &= x86_cpu_get_migratable_flags(w);
2234     }
2235     return r;
2236 }
2237
2238 /*
2239  * Filters CPU feature words based on host availability of each feature.
2240  *
2241  * Returns: 0 if all flags are supported by the host, non-zero otherwise.
2242  */
2243 static int x86_cpu_filter_features(X86CPU *cpu)
2244 {
2245     CPUX86State *env = &cpu->env;
2246     FeatureWord w;
2247     int rv = 0;
2248
2249     for (w = 0; w < FEATURE_WORDS; w++) {
2250         uint32_t host_feat =
2251             x86_cpu_get_supported_feature_word(w, false);
2252         uint32_t requested_features = env->features[w];
2253         env->features[w] &= host_feat;
2254         cpu->filtered_features[w] = requested_features & ~env->features[w];
2255         if (cpu->filtered_features[w]) {
2256             rv = 1;
2257         }
2258     }
2259
2260     return rv;
2261 }
2262
2263 static void x86_cpu_report_filtered_features(X86CPU *cpu)
2264 {
2265     FeatureWord w;
2266
2267     for (w = 0; w < FEATURE_WORDS; w++) {
2268         report_unavailable_features(w, cpu->filtered_features[w]);
2269     }
2270 }
2271
2272 static void x86_cpu_apply_props(X86CPU *cpu, PropValue *props)
2273 {
2274     PropValue *pv;
2275     for (pv = props; pv->prop; pv++) {
2276         if (!pv->value) {
2277             continue;
2278         }
2279         object_property_parse(OBJECT(cpu), pv->value, pv->prop,
2280                               &error_abort);
2281     }
2282 }
2283
2284 /* Load data from X86CPUDefinition
2285  */
2286 static void x86_cpu_load_def(X86CPU *cpu, X86CPUDefinition *def, Error **errp)
2287 {
2288     CPUX86State *env = &cpu->env;
2289     const char *vendor;
2290     char host_vendor[CPUID_VENDOR_SZ + 1];
2291     FeatureWord w;
2292
2293     /* CPU models only set _minimum_ values for level/xlevel: */
2294     object_property_set_int(OBJECT(cpu), def->level, "min-level", errp);
2295     object_property_set_int(OBJECT(cpu), def->xlevel, "min-xlevel", errp);
2296
2297     object_property_set_int(OBJECT(cpu), def->family, "family", errp);
2298     object_property_set_int(OBJECT(cpu), def->model, "model", errp);
2299     object_property_set_int(OBJECT(cpu), def->stepping, "stepping", errp);
2300     object_property_set_str(OBJECT(cpu), def->model_id, "model-id", errp);
2301     for (w = 0; w < FEATURE_WORDS; w++) {
2302         env->features[w] = def->features[w];
2303     }
2304
2305     /* Special cases not set in the X86CPUDefinition structs: */
2306     if (kvm_enabled()) {
2307         if (!kvm_irqchip_in_kernel()) {
2308             x86_cpu_change_kvm_default("x2apic", "off");
2309         }
2310
2311         x86_cpu_apply_props(cpu, kvm_default_props);
2312     } else if (tcg_enabled()) {
2313         x86_cpu_apply_props(cpu, tcg_default_props);
2314     }
2315
2316     env->features[FEAT_1_ECX] |= CPUID_EXT_HYPERVISOR;
2317
2318     /* sysenter isn't supported in compatibility mode on AMD,
2319      * syscall isn't supported in compatibility mode on Intel.
2320      * Normally we advertise the actual CPU vendor, but you can
2321      * override this using the 'vendor' property if you want to use
2322      * KVM's sysenter/syscall emulation in compatibility mode and
2323      * when doing cross vendor migration
2324      */
2325     vendor = def->vendor;
2326     if (kvm_enabled()) {
2327         uint32_t  ebx = 0, ecx = 0, edx = 0;
2328         host_cpuid(0, 0, NULL, &ebx, &ecx, &edx);
2329         x86_cpu_vendor_words2str(host_vendor, ebx, edx, ecx);
2330         vendor = host_vendor;
2331     }
2332
2333     object_property_set_str(OBJECT(cpu), vendor, "vendor", errp);
2334
2335 }
2336
2337 X86CPU *cpu_x86_init(const char *cpu_model)
2338 {
2339     return X86_CPU(cpu_generic_init(TYPE_X86_CPU, cpu_model));
2340 }
2341
2342 static void x86_cpu_cpudef_class_init(ObjectClass *oc, void *data)
2343 {
2344     X86CPUDefinition *cpudef = data;
2345     X86CPUClass *xcc = X86_CPU_CLASS(oc);
2346
2347     xcc->cpu_def = cpudef;
2348 }
2349
2350 static void x86_register_cpudef_type(X86CPUDefinition *def)
2351 {
2352     char *typename = x86_cpu_type_name(def->name);
2353     TypeInfo ti = {
2354         .name = typename,
2355         .parent = TYPE_X86_CPU,
2356         .class_init = x86_cpu_cpudef_class_init,
2357         .class_data = def,
2358     };
2359
2360     type_register(&ti);
2361     g_free(typename);
2362 }
2363
2364 #if !defined(CONFIG_USER_ONLY)
2365
2366 void cpu_clear_apic_feature(CPUX86State *env)
2367 {
2368     env->features[FEAT_1_EDX] &= ~CPUID_APIC;
2369 }
2370
2371 #endif /* !CONFIG_USER_ONLY */
2372
2373 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
2374                    uint32_t *eax, uint32_t *ebx,
2375                    uint32_t *ecx, uint32_t *edx)
2376 {
2377     X86CPU *cpu = x86_env_get_cpu(env);
2378     CPUState *cs = CPU(cpu);
2379     uint32_t pkg_offset;
2380
2381     /* test if maximum index reached */
2382     if (index & 0x80000000) {
2383         if (index > env->cpuid_xlevel) {
2384             if (env->cpuid_xlevel2 > 0) {
2385                 /* Handle the Centaur's CPUID instruction. */
2386                 if (index > env->cpuid_xlevel2) {
2387                     index = env->cpuid_xlevel2;
2388                 } else if (index < 0xC0000000) {
2389                     index = env->cpuid_xlevel;
2390                 }
2391             } else {
2392                 /* Intel documentation states that invalid EAX input will
2393                  * return the same information as EAX=cpuid_level
2394                  * (Intel SDM Vol. 2A - Instruction Set Reference - CPUID)
2395                  */
2396                 index =  env->cpuid_level;
2397             }
2398         }
2399     } else {
2400         if (index > env->cpuid_level)
2401             index = env->cpuid_level;
2402     }
2403
2404     switch(index) {
2405     case 0:
2406         *eax = env->cpuid_level;
2407         *ebx = env->cpuid_vendor1;
2408         *edx = env->cpuid_vendor2;
2409         *ecx = env->cpuid_vendor3;
2410         break;
2411     case 1:
2412         *eax = env->cpuid_version;
2413         *ebx = (cpu->apic_id << 24) |
2414                8 << 8; /* CLFLUSH size in quad words, Linux wants it. */
2415         *ecx = env->features[FEAT_1_ECX];
2416         if ((*ecx & CPUID_EXT_XSAVE) && (env->cr[4] & CR4_OSXSAVE_MASK)) {
2417             *ecx |= CPUID_EXT_OSXSAVE;
2418         }
2419         *edx = env->features[FEAT_1_EDX];
2420         if (cs->nr_cores * cs->nr_threads > 1) {
2421             *ebx |= (cs->nr_cores * cs->nr_threads) << 16;
2422             *edx |= CPUID_HT;
2423         }
2424         break;
2425     case 2:
2426         /* cache info: needed for Pentium Pro compatibility */
2427         if (cpu->cache_info_passthrough) {
2428             host_cpuid(index, 0, eax, ebx, ecx, edx);
2429             break;
2430         }
2431         *eax = 1; /* Number of CPUID[EAX=2] calls required */
2432         *ebx = 0;
2433         if (!cpu->enable_l3_cache) {
2434             *ecx = 0;
2435         } else {
2436             *ecx = L3_N_DESCRIPTOR;
2437         }
2438         *edx = (L1D_DESCRIPTOR << 16) | \
2439                (L1I_DESCRIPTOR <<  8) | \
2440                (L2_DESCRIPTOR);
2441         break;
2442     case 4:
2443         /* cache info: needed for Core compatibility */
2444         if (cpu->cache_info_passthrough) {
2445             host_cpuid(index, count, eax, ebx, ecx, edx);
2446             *eax &= ~0xFC000000;
2447         } else {
2448             *eax = 0;
2449             switch (count) {
2450             case 0: /* L1 dcache info */
2451                 *eax |= CPUID_4_TYPE_DCACHE | \
2452                         CPUID_4_LEVEL(1) | \
2453                         CPUID_4_SELF_INIT_LEVEL;
2454                 *ebx = (L1D_LINE_SIZE - 1) | \
2455                        ((L1D_PARTITIONS - 1) << 12) | \
2456                        ((L1D_ASSOCIATIVITY - 1) << 22);
2457                 *ecx = L1D_SETS - 1;
2458                 *edx = CPUID_4_NO_INVD_SHARING;
2459                 break;
2460             case 1: /* L1 icache info */
2461                 *eax |= CPUID_4_TYPE_ICACHE | \
2462                         CPUID_4_LEVEL(1) | \
2463                         CPUID_4_SELF_INIT_LEVEL;
2464                 *ebx = (L1I_LINE_SIZE - 1) | \
2465                        ((L1I_PARTITIONS - 1) << 12) | \
2466                        ((L1I_ASSOCIATIVITY - 1) << 22);
2467                 *ecx = L1I_SETS - 1;
2468                 *edx = CPUID_4_NO_INVD_SHARING;
2469                 break;
2470             case 2: /* L2 cache info */
2471                 *eax |= CPUID_4_TYPE_UNIFIED | \
2472                         CPUID_4_LEVEL(2) | \
2473                         CPUID_4_SELF_INIT_LEVEL;
2474                 if (cs->nr_threads > 1) {
2475                     *eax |= (cs->nr_threads - 1) << 14;
2476                 }
2477                 *ebx = (L2_LINE_SIZE - 1) | \
2478                        ((L2_PARTITIONS - 1) << 12) | \
2479                        ((L2_ASSOCIATIVITY - 1) << 22);
2480                 *ecx = L2_SETS - 1;
2481                 *edx = CPUID_4_NO_INVD_SHARING;
2482                 break;
2483             case 3: /* L3 cache info */
2484                 if (!cpu->enable_l3_cache) {
2485                     *eax = 0;
2486                     *ebx = 0;
2487                     *ecx = 0;
2488                     *edx = 0;
2489                     break;
2490                 }
2491                 *eax |= CPUID_4_TYPE_UNIFIED | \
2492                         CPUID_4_LEVEL(3) | \
2493                         CPUID_4_SELF_INIT_LEVEL;
2494                 pkg_offset = apicid_pkg_offset(cs->nr_cores, cs->nr_threads);
2495                 *eax |= ((1 << pkg_offset) - 1) << 14;
2496                 *ebx = (L3_N_LINE_SIZE - 1) | \
2497                        ((L3_N_PARTITIONS - 1) << 12) | \
2498                        ((L3_N_ASSOCIATIVITY - 1) << 22);
2499                 *ecx = L3_N_SETS - 1;
2500                 *edx = CPUID_4_INCLUSIVE | CPUID_4_COMPLEX_IDX;
2501                 break;
2502             default: /* end of info */
2503                 *eax = 0;
2504                 *ebx = 0;
2505                 *ecx = 0;
2506                 *edx = 0;
2507                 break;
2508             }
2509         }
2510
2511         /* QEMU gives out its own APIC IDs, never pass down bits 31..26.  */
2512         if ((*eax & 31) && cs->nr_cores > 1) {
2513             *eax |= (cs->nr_cores - 1) << 26;
2514         }
2515         break;
2516     case 5:
2517         /* mwait info: needed for Core compatibility */
2518         *eax = 0; /* Smallest monitor-line size in bytes */
2519         *ebx = 0; /* Largest monitor-line size in bytes */
2520         *ecx = CPUID_MWAIT_EMX | CPUID_MWAIT_IBE;
2521         *edx = 0;
2522         break;
2523     case 6:
2524         /* Thermal and Power Leaf */
2525         *eax = env->features[FEAT_6_EAX];
2526         *ebx = 0;
2527         *ecx = 0;
2528         *edx = 0;
2529         break;
2530     case 7:
2531         /* Structured Extended Feature Flags Enumeration Leaf */
2532         if (count == 0) {
2533             *eax = 0; /* Maximum ECX value for sub-leaves */
2534             *ebx = env->features[FEAT_7_0_EBX]; /* Feature flags */
2535             *ecx = env->features[FEAT_7_0_ECX]; /* Feature flags */
2536             if ((*ecx & CPUID_7_0_ECX_PKU) && env->cr[4] & CR4_PKE_MASK) {
2537                 *ecx |= CPUID_7_0_ECX_OSPKE;
2538             }
2539             *edx = 0; /* Reserved */
2540         } else {
2541             *eax = 0;
2542             *ebx = 0;
2543             *ecx = 0;
2544             *edx = 0;
2545         }
2546         break;
2547     case 9:
2548         /* Direct Cache Access Information Leaf */
2549         *eax = 0; /* Bits 0-31 in DCA_CAP MSR */
2550         *ebx = 0;
2551         *ecx = 0;
2552         *edx = 0;
2553         break;
2554     case 0xA:
2555         /* Architectural Performance Monitoring Leaf */
2556         if (kvm_enabled() && cpu->enable_pmu) {
2557             KVMState *s = cs->kvm_state;
2558
2559             *eax = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EAX);
2560             *ebx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EBX);
2561             *ecx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_ECX);
2562             *edx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EDX);
2563         } else {
2564             *eax = 0;
2565             *ebx = 0;
2566             *ecx = 0;
2567             *edx = 0;
2568         }
2569         break;
2570     case 0xB:
2571         /* Extended Topology Enumeration Leaf */
2572         if (!cpu->enable_cpuid_0xb) {
2573                 *eax = *ebx = *ecx = *edx = 0;
2574                 break;
2575         }
2576
2577         *ecx = count & 0xff;
2578         *edx = cpu->apic_id;
2579
2580         switch (count) {
2581         case 0:
2582             *eax = apicid_core_offset(cs->nr_cores, cs->nr_threads);
2583             *ebx = cs->nr_threads;
2584             *ecx |= CPUID_TOPOLOGY_LEVEL_SMT;
2585             break;
2586         case 1:
2587             *eax = apicid_pkg_offset(cs->nr_cores, cs->nr_threads);
2588             *ebx = cs->nr_cores * cs->nr_threads;
2589             *ecx |= CPUID_TOPOLOGY_LEVEL_CORE;
2590             break;
2591         default:
2592             *eax = 0;
2593             *ebx = 0;
2594             *ecx |= CPUID_TOPOLOGY_LEVEL_INVALID;
2595         }
2596
2597         assert(!(*eax & ~0x1f));
2598         *ebx &= 0xffff; /* The count doesn't need to be reliable. */
2599         break;
2600     case 0xD: {
2601         /* Processor Extended State */
2602         *eax = 0;
2603         *ebx = 0;
2604         *ecx = 0;
2605         *edx = 0;
2606         if (!(env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE)) {
2607             break;
2608         }
2609
2610         if (count == 0) {
2611             *ecx = xsave_area_size(x86_cpu_xsave_components(cpu));
2612             *eax = env->features[FEAT_XSAVE_COMP_LO];
2613             *edx = env->features[FEAT_XSAVE_COMP_HI];
2614             *ebx = *ecx;
2615         } else if (count == 1) {
2616             *eax = env->features[FEAT_XSAVE];
2617         } else if (count < ARRAY_SIZE(x86_ext_save_areas)) {
2618             if ((x86_cpu_xsave_components(cpu) >> count) & 1) {
2619                 const ExtSaveArea *esa = &x86_ext_save_areas[count];
2620                 *eax = esa->size;
2621                 *ebx = esa->offset;
2622             }
2623         }
2624         break;
2625     }
2626     case 0x80000000:
2627         *eax = env->cpuid_xlevel;
2628         *ebx = env->cpuid_vendor1;
2629         *edx = env->cpuid_vendor2;
2630         *ecx = env->cpuid_vendor3;
2631         break;
2632     case 0x80000001:
2633         *eax = env->cpuid_version;
2634         *ebx = 0;
2635         *ecx = env->features[FEAT_8000_0001_ECX];
2636         *edx = env->features[FEAT_8000_0001_EDX];
2637
2638         /* The Linux kernel checks for the CMPLegacy bit and
2639          * discards multiple thread information if it is set.
2640          * So don't set it here for Intel to make Linux guests happy.
2641          */
2642         if (cs->nr_cores * cs->nr_threads > 1) {
2643             if (env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1 ||
2644                 env->cpuid_vendor2 != CPUID_VENDOR_INTEL_2 ||
2645                 env->cpuid_vendor3 != CPUID_VENDOR_INTEL_3) {
2646                 *ecx |= 1 << 1;    /* CmpLegacy bit */
2647             }
2648         }
2649         break;
2650     case 0x80000002:
2651     case 0x80000003:
2652     case 0x80000004:
2653         *eax = env->cpuid_model[(index - 0x80000002) * 4 + 0];
2654         *ebx = env->cpuid_model[(index - 0x80000002) * 4 + 1];
2655         *ecx = env->cpuid_model[(index - 0x80000002) * 4 + 2];
2656         *edx = env->cpuid_model[(index - 0x80000002) * 4 + 3];
2657         break;
2658     case 0x80000005:
2659         /* cache info (L1 cache) */
2660         if (cpu->cache_info_passthrough) {
2661             host_cpuid(index, 0, eax, ebx, ecx, edx);
2662             break;
2663         }
2664         *eax = (L1_DTLB_2M_ASSOC << 24) | (L1_DTLB_2M_ENTRIES << 16) | \
2665                (L1_ITLB_2M_ASSOC <<  8) | (L1_ITLB_2M_ENTRIES);
2666         *ebx = (L1_DTLB_4K_ASSOC << 24) | (L1_DTLB_4K_ENTRIES << 16) | \
2667                (L1_ITLB_4K_ASSOC <<  8) | (L1_ITLB_4K_ENTRIES);
2668         *ecx = (L1D_SIZE_KB_AMD << 24) | (L1D_ASSOCIATIVITY_AMD << 16) | \
2669                (L1D_LINES_PER_TAG << 8) | (L1D_LINE_SIZE);
2670         *edx = (L1I_SIZE_KB_AMD << 24) | (L1I_ASSOCIATIVITY_AMD << 16) | \
2671                (L1I_LINES_PER_TAG << 8) | (L1I_LINE_SIZE);
2672         break;
2673     case 0x80000006:
2674         /* cache info (L2 cache) */
2675         if (cpu->cache_info_passthrough) {
2676             host_cpuid(index, 0, eax, ebx, ecx, edx);
2677             break;
2678         }
2679         *eax = (AMD_ENC_ASSOC(L2_DTLB_2M_ASSOC) << 28) | \
2680                (L2_DTLB_2M_ENTRIES << 16) | \
2681                (AMD_ENC_ASSOC(L2_ITLB_2M_ASSOC) << 12) | \
2682                (L2_ITLB_2M_ENTRIES);
2683         *ebx = (AMD_ENC_ASSOC(L2_DTLB_4K_ASSOC) << 28) | \
2684                (L2_DTLB_4K_ENTRIES << 16) | \
2685                (AMD_ENC_ASSOC(L2_ITLB_4K_ASSOC) << 12) | \
2686                (L2_ITLB_4K_ENTRIES);
2687         *ecx = (L2_SIZE_KB_AMD << 16) | \
2688                (AMD_ENC_ASSOC(L2_ASSOCIATIVITY) << 12) | \
2689                (L2_LINES_PER_TAG << 8) | (L2_LINE_SIZE);
2690         if (!cpu->enable_l3_cache) {
2691             *edx = ((L3_SIZE_KB / 512) << 18) | \
2692                    (AMD_ENC_ASSOC(L3_ASSOCIATIVITY) << 12) | \
2693                    (L3_LINES_PER_TAG << 8) | (L3_LINE_SIZE);
2694         } else {
2695             *edx = ((L3_N_SIZE_KB_AMD / 512) << 18) | \
2696                    (AMD_ENC_ASSOC(L3_N_ASSOCIATIVITY) << 12) | \
2697                    (L3_N_LINES_PER_TAG << 8) | (L3_N_LINE_SIZE);
2698         }
2699         break;
2700     case 0x80000007:
2701         *eax = 0;
2702         *ebx = 0;
2703         *ecx = 0;
2704         *edx = env->features[FEAT_8000_0007_EDX];
2705         break;
2706     case 0x80000008:
2707         /* virtual & phys address size in low 2 bytes. */
2708         if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) {
2709             /* 64 bit processor, 48 bits virtual, configurable
2710              * physical bits.
2711              */
2712             *eax = 0x00003000 + cpu->phys_bits;
2713         } else {
2714             *eax = cpu->phys_bits;
2715         }
2716         *ebx = 0;
2717         *ecx = 0;
2718         *edx = 0;
2719         if (cs->nr_cores * cs->nr_threads > 1) {
2720             *ecx |= (cs->nr_cores * cs->nr_threads) - 1;
2721         }
2722         break;
2723     case 0x8000000A:
2724         if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) {
2725             *eax = 0x00000001; /* SVM Revision */
2726             *ebx = 0x00000010; /* nr of ASIDs */
2727             *ecx = 0;
2728             *edx = env->features[FEAT_SVM]; /* optional features */
2729         } else {
2730             *eax = 0;
2731             *ebx = 0;
2732             *ecx = 0;
2733             *edx = 0;
2734         }
2735         break;
2736     case 0xC0000000:
2737         *eax = env->cpuid_xlevel2;
2738         *ebx = 0;
2739         *ecx = 0;
2740         *edx = 0;
2741         break;
2742     case 0xC0000001:
2743         /* Support for VIA CPU's CPUID instruction */
2744         *eax = env->cpuid_version;
2745         *ebx = 0;
2746         *ecx = 0;
2747         *edx = env->features[FEAT_C000_0001_EDX];
2748         break;
2749     case 0xC0000002:
2750     case 0xC0000003:
2751     case 0xC0000004:
2752         /* Reserved for the future, and now filled with zero */
2753         *eax = 0;
2754         *ebx = 0;
2755         *ecx = 0;
2756         *edx = 0;
2757         break;
2758     default:
2759         /* reserved values: zero */
2760         *eax = 0;
2761         *ebx = 0;
2762         *ecx = 0;
2763         *edx = 0;
2764         break;
2765     }
2766 }
2767
2768 /* CPUClass::reset() */
2769 static void x86_cpu_reset(CPUState *s)
2770 {
2771     X86CPU *cpu = X86_CPU(s);
2772     X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu);
2773     CPUX86State *env = &cpu->env;
2774     target_ulong cr4;
2775     uint64_t xcr0;
2776     int i;
2777
2778     xcc->parent_reset(s);
2779
2780     memset(env, 0, offsetof(CPUX86State, end_reset_fields));
2781
2782     tlb_flush(s, 1);
2783
2784     env->old_exception = -1;
2785
2786     /* init to reset state */
2787
2788     env->hflags2 |= HF2_GIF_MASK;
2789
2790     cpu_x86_update_cr0(env, 0x60000010);
2791     env->a20_mask = ~0x0;
2792     env->smbase = 0x30000;
2793
2794     env->idt.limit = 0xffff;
2795     env->gdt.limit = 0xffff;
2796     env->ldt.limit = 0xffff;
2797     env->ldt.flags = DESC_P_MASK | (2 << DESC_TYPE_SHIFT);
2798     env->tr.limit = 0xffff;
2799     env->tr.flags = DESC_P_MASK | (11 << DESC_TYPE_SHIFT);
2800
2801     cpu_x86_load_seg_cache(env, R_CS, 0xf000, 0xffff0000, 0xffff,
2802                            DESC_P_MASK | DESC_S_MASK | DESC_CS_MASK |
2803                            DESC_R_MASK | DESC_A_MASK);
2804     cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffff,
2805                            DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2806                            DESC_A_MASK);
2807     cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffff,
2808                            DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2809                            DESC_A_MASK);
2810     cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffff,
2811                            DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2812                            DESC_A_MASK);
2813     cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffff,
2814                            DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2815                            DESC_A_MASK);
2816     cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffff,
2817                            DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2818                            DESC_A_MASK);
2819
2820     env->eip = 0xfff0;
2821     env->regs[R_EDX] = env->cpuid_version;
2822
2823     env->eflags = 0x2;
2824
2825     /* FPU init */
2826     for (i = 0; i < 8; i++) {
2827         env->fptags[i] = 1;
2828     }
2829     cpu_set_fpuc(env, 0x37f);
2830
2831     env->mxcsr = 0x1f80;
2832     /* All units are in INIT state.  */
2833     env->xstate_bv = 0;
2834
2835     env->pat = 0x0007040600070406ULL;
2836     env->msr_ia32_misc_enable = MSR_IA32_MISC_ENABLE_DEFAULT;
2837
2838     memset(env->dr, 0, sizeof(env->dr));
2839     env->dr[6] = DR6_FIXED_1;
2840     env->dr[7] = DR7_FIXED_1;
2841     cpu_breakpoint_remove_all(s, BP_CPU);
2842     cpu_watchpoint_remove_all(s, BP_CPU);
2843
2844     cr4 = 0;
2845     xcr0 = XSTATE_FP_MASK;
2846
2847 #ifdef CONFIG_USER_ONLY
2848     /* Enable all the features for user-mode.  */
2849     if (env->features[FEAT_1_EDX] & CPUID_SSE) {
2850         xcr0 |= XSTATE_SSE_MASK;
2851     }
2852     for (i = 2; i < ARRAY_SIZE(x86_ext_save_areas); i++) {
2853         const ExtSaveArea *esa = &x86_ext_save_areas[i];
2854         if (env->features[esa->feature] & esa->bits) {
2855             xcr0 |= 1ull << i;
2856         }
2857     }
2858
2859     if (env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE) {
2860         cr4 |= CR4_OSFXSR_MASK | CR4_OSXSAVE_MASK;
2861     }
2862     if (env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE) {
2863         cr4 |= CR4_FSGSBASE_MASK;
2864     }
2865 #endif
2866
2867     env->xcr0 = xcr0;
2868     cpu_x86_update_cr4(env, cr4);
2869
2870     /*
2871      * SDM 11.11.5 requires:
2872      *  - IA32_MTRR_DEF_TYPE MSR.E = 0
2873      *  - IA32_MTRR_PHYSMASKn.V = 0
2874      * All other bits are undefined.  For simplification, zero it all.
2875      */
2876     env->mtrr_deftype = 0;
2877     memset(env->mtrr_var, 0, sizeof(env->mtrr_var));
2878     memset(env->mtrr_fixed, 0, sizeof(env->mtrr_fixed));
2879
2880 #if !defined(CONFIG_USER_ONLY)
2881     /* We hard-wire the BSP to the first CPU. */
2882     apic_designate_bsp(cpu->apic_state, s->cpu_index == 0);
2883
2884     s->halted = !cpu_is_bsp(cpu);
2885
2886     if (kvm_enabled()) {
2887         kvm_arch_reset_vcpu(cpu);
2888     }
2889 #endif
2890 }
2891
2892 #ifndef CONFIG_USER_ONLY
2893 bool cpu_is_bsp(X86CPU *cpu)
2894 {
2895     return cpu_get_apic_base(cpu->apic_state) & MSR_IA32_APICBASE_BSP;
2896 }
2897
2898 /* TODO: remove me, when reset over QOM tree is implemented */
2899 static void x86_cpu_machine_reset_cb(void *opaque)
2900 {
2901     X86CPU *cpu = opaque;
2902     cpu_reset(CPU(cpu));
2903 }
2904 #endif
2905
2906 static void mce_init(X86CPU *cpu)
2907 {
2908     CPUX86State *cenv = &cpu->env;
2909     unsigned int bank;
2910
2911     if (((cenv->cpuid_version >> 8) & 0xf) >= 6
2912         && (cenv->features[FEAT_1_EDX] & (CPUID_MCE | CPUID_MCA)) ==
2913             (CPUID_MCE | CPUID_MCA)) {
2914         cenv->mcg_cap = MCE_CAP_DEF | MCE_BANKS_DEF |
2915                         (cpu->enable_lmce ? MCG_LMCE_P : 0);
2916         cenv->mcg_ctl = ~(uint64_t)0;
2917         for (bank = 0; bank < MCE_BANKS_DEF; bank++) {
2918             cenv->mce_banks[bank * 4] = ~(uint64_t)0;
2919         }
2920     }
2921 }
2922
2923 #ifndef CONFIG_USER_ONLY
2924 APICCommonClass *apic_get_class(void)
2925 {
2926     const char *apic_type = "apic";
2927
2928     if (kvm_apic_in_kernel()) {
2929         apic_type = "kvm-apic";
2930     } else if (xen_enabled()) {
2931         apic_type = "xen-apic";
2932     }
2933
2934     return APIC_COMMON_CLASS(object_class_by_name(apic_type));
2935 }
2936
2937 static void x86_cpu_apic_create(X86CPU *cpu, Error **errp)
2938 {
2939     APICCommonState *apic;
2940     ObjectClass *apic_class = OBJECT_CLASS(apic_get_class());
2941
2942     cpu->apic_state = DEVICE(object_new(object_class_get_name(apic_class)));
2943
2944     object_property_add_child(OBJECT(cpu), "lapic",
2945                               OBJECT(cpu->apic_state), &error_abort);
2946     object_unref(OBJECT(cpu->apic_state));
2947
2948     qdev_prop_set_uint32(cpu->apic_state, "id", cpu->apic_id);
2949     /* TODO: convert to link<> */
2950     apic = APIC_COMMON(cpu->apic_state);
2951     apic->cpu = cpu;
2952     apic->apicbase = APIC_DEFAULT_ADDRESS | MSR_IA32_APICBASE_ENABLE;
2953 }
2954
2955 static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp)
2956 {
2957     APICCommonState *apic;
2958     static bool apic_mmio_map_once;
2959
2960     if (cpu->apic_state == NULL) {
2961         return;
2962     }
2963     object_property_set_bool(OBJECT(cpu->apic_state), true, "realized",
2964                              errp);
2965
2966     /* Map APIC MMIO area */
2967     apic = APIC_COMMON(cpu->apic_state);
2968     if (!apic_mmio_map_once) {
2969         memory_region_add_subregion_overlap(get_system_memory(),
2970                                             apic->apicbase &
2971                                             MSR_IA32_APICBASE_BASE,
2972                                             &apic->io_memory,
2973                                             0x1000);
2974         apic_mmio_map_once = true;
2975      }
2976 }
2977
2978 static void x86_cpu_machine_done(Notifier *n, void *unused)
2979 {
2980     X86CPU *cpu = container_of(n, X86CPU, machine_done);
2981     MemoryRegion *smram =
2982         (MemoryRegion *) object_resolve_path("/machine/smram", NULL);
2983
2984     if (smram) {
2985         cpu->smram = g_new(MemoryRegion, 1);
2986         memory_region_init_alias(cpu->smram, OBJECT(cpu), "smram",
2987                                  smram, 0, 1ull << 32);
2988         memory_region_set_enabled(cpu->smram, false);
2989         memory_region_add_subregion_overlap(cpu->cpu_as_root, 0, cpu->smram, 1);
2990     }
2991 }
2992 #else
2993 static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp)
2994 {
2995 }
2996 #endif
2997
2998 /* Note: Only safe for use on x86(-64) hosts */
2999 static uint32_t x86_host_phys_bits(void)
3000 {
3001     uint32_t eax;
3002     uint32_t host_phys_bits;
3003
3004     host_cpuid(0x80000000, 0, &eax, NULL, NULL, NULL);
3005     if (eax >= 0x80000008) {
3006         host_cpuid(0x80000008, 0, &eax, NULL, NULL, NULL);
3007         /* Note: According to AMD doc 25481 rev 2.34 they have a field
3008          * at 23:16 that can specify a maximum physical address bits for
3009          * the guest that can override this value; but I've not seen
3010          * anything with that set.
3011          */
3012         host_phys_bits = eax & 0xff;
3013     } else {
3014         /* It's an odd 64 bit machine that doesn't have the leaf for
3015          * physical address bits; fall back to 36 that's most older
3016          * Intel.
3017          */
3018         host_phys_bits = 36;
3019     }
3020
3021     return host_phys_bits;
3022 }
3023
3024 static void x86_cpu_adjust_level(X86CPU *cpu, uint32_t *min, uint32_t value)
3025 {
3026     if (*min < value) {
3027         *min = value;
3028     }
3029 }
3030
3031 /* Increase cpuid_min_{level,xlevel,xlevel2} automatically, if appropriate */
3032 static void x86_cpu_adjust_feat_level(X86CPU *cpu, FeatureWord w)
3033 {
3034     CPUX86State *env = &cpu->env;
3035     FeatureWordInfo *fi = &feature_word_info[w];
3036     uint32_t eax = fi->cpuid_eax;
3037     uint32_t region = eax & 0xF0000000;
3038
3039     if (!env->features[w]) {
3040         return;
3041     }
3042
3043     switch (region) {
3044     case 0x00000000:
3045         x86_cpu_adjust_level(cpu, &env->cpuid_min_level, eax);
3046     break;
3047     case 0x80000000:
3048         x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, eax);
3049     break;
3050     case 0xC0000000:
3051         x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel2, eax);
3052     break;
3053     }
3054 }
3055
3056 /* Calculate XSAVE components based on the configured CPU feature flags */
3057 static void x86_cpu_enable_xsave_components(X86CPU *cpu)
3058 {
3059     CPUX86State *env = &cpu->env;
3060     int i;
3061     uint64_t mask;
3062
3063     if (!(env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE)) {
3064         return;
3065     }
3066
3067     mask = 0;
3068     for (i = 0; i < ARRAY_SIZE(x86_ext_save_areas); i++) {
3069         const ExtSaveArea *esa = &x86_ext_save_areas[i];
3070         if (env->features[esa->feature] & esa->bits) {
3071             mask |= (1ULL << i);
3072         }
3073     }
3074
3075     env->features[FEAT_XSAVE_COMP_LO] = mask;
3076     env->features[FEAT_XSAVE_COMP_HI] = mask >> 32;
3077 }
3078
3079 /* Load CPUID data based on configured features */
3080 static void x86_cpu_load_features(X86CPU *cpu, Error **errp)
3081 {
3082     CPUX86State *env = &cpu->env;
3083     FeatureWord w;
3084     GList *l;
3085     Error *local_err = NULL;
3086
3087     /*TODO: cpu->host_features incorrectly overwrites features
3088      * set using "feat=on|off". Once we fix this, we can convert
3089      * plus_features & minus_features to global properties
3090      * inside x86_cpu_parse_featurestr() too.
3091      */
3092     if (cpu->host_features) {
3093         for (w = 0; w < FEATURE_WORDS; w++) {
3094             env->features[w] =
3095                 x86_cpu_get_supported_feature_word(w, cpu->migratable);
3096         }
3097     }
3098
3099     for (l = plus_features; l; l = l->next) {
3100         const char *prop = l->data;
3101         object_property_set_bool(OBJECT(cpu), true, prop, &local_err);
3102         if (local_err) {
3103             goto out;
3104         }
3105     }
3106
3107     for (l = minus_features; l; l = l->next) {
3108         const char *prop = l->data;
3109         object_property_set_bool(OBJECT(cpu), false, prop, &local_err);
3110         if (local_err) {
3111             goto out;
3112         }
3113     }
3114
3115     if (!kvm_enabled() || !cpu->expose_kvm) {
3116         env->features[FEAT_KVM] = 0;
3117     }
3118
3119     x86_cpu_enable_xsave_components(cpu);
3120
3121     /* CPUID[EAX=7,ECX=0].EBX always increased level automatically: */
3122     x86_cpu_adjust_feat_level(cpu, FEAT_7_0_EBX);
3123     if (cpu->full_cpuid_auto_level) {
3124         x86_cpu_adjust_feat_level(cpu, FEAT_1_EDX);
3125         x86_cpu_adjust_feat_level(cpu, FEAT_1_ECX);
3126         x86_cpu_adjust_feat_level(cpu, FEAT_6_EAX);
3127         x86_cpu_adjust_feat_level(cpu, FEAT_7_0_ECX);
3128         x86_cpu_adjust_feat_level(cpu, FEAT_8000_0001_EDX);
3129         x86_cpu_adjust_feat_level(cpu, FEAT_8000_0001_ECX);
3130         x86_cpu_adjust_feat_level(cpu, FEAT_8000_0007_EDX);
3131         x86_cpu_adjust_feat_level(cpu, FEAT_C000_0001_EDX);
3132         x86_cpu_adjust_feat_level(cpu, FEAT_SVM);
3133         x86_cpu_adjust_feat_level(cpu, FEAT_XSAVE);
3134         /* SVM requires CPUID[0x8000000A] */
3135         if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) {
3136             x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000000A);
3137         }
3138     }
3139
3140     /* Set cpuid_*level* based on cpuid_min_*level, if not explicitly set */
3141     if (env->cpuid_level == UINT32_MAX) {
3142         env->cpuid_level = env->cpuid_min_level;
3143     }
3144     if (env->cpuid_xlevel == UINT32_MAX) {
3145         env->cpuid_xlevel = env->cpuid_min_xlevel;
3146     }
3147     if (env->cpuid_xlevel2 == UINT32_MAX) {
3148         env->cpuid_xlevel2 = env->cpuid_min_xlevel2;
3149     }
3150
3151 out:
3152     if (local_err != NULL) {
3153         error_propagate(errp, local_err);
3154     }
3155 }
3156
3157 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
3158                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
3159                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
3160 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
3161                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
3162                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
3163 static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
3164 {
3165     CPUState *cs = CPU(dev);
3166     X86CPU *cpu = X86_CPU(dev);
3167     X86CPUClass *xcc = X86_CPU_GET_CLASS(dev);
3168     CPUX86State *env = &cpu->env;
3169     Error *local_err = NULL;
3170     static bool ht_warned;
3171
3172     if (xcc->kvm_required && !kvm_enabled()) {
3173         char *name = x86_cpu_class_get_model_name(xcc);
3174         error_setg(&local_err, "CPU model '%s' requires KVM", name);
3175         g_free(name);
3176         goto out;
3177     }
3178
3179     if (cpu->apic_id == UNASSIGNED_APIC_ID) {
3180         error_setg(errp, "apic-id property was not initialized properly");
3181         return;
3182     }
3183
3184     x86_cpu_load_features(cpu, &local_err);
3185     if (local_err) {
3186         goto out;
3187     }
3188
3189     if (x86_cpu_filter_features(cpu) &&
3190         (cpu->check_cpuid || cpu->enforce_cpuid)) {
3191         x86_cpu_report_filtered_features(cpu);
3192         if (cpu->enforce_cpuid) {
3193             error_setg(&local_err,
3194                        kvm_enabled() ?
3195                            "Host doesn't support requested features" :
3196                            "TCG doesn't support requested features");
3197             goto out;
3198         }
3199     }
3200
3201     /* On AMD CPUs, some CPUID[8000_0001].EDX bits must match the bits on
3202      * CPUID[1].EDX.
3203      */
3204     if (IS_AMD_CPU(env)) {
3205         env->features[FEAT_8000_0001_EDX] &= ~CPUID_EXT2_AMD_ALIASES;
3206         env->features[FEAT_8000_0001_EDX] |= (env->features[FEAT_1_EDX]
3207            & CPUID_EXT2_AMD_ALIASES);
3208     }
3209
3210     /* For 64bit systems think about the number of physical bits to present.
3211      * ideally this should be the same as the host; anything other than matching
3212      * the host can cause incorrect guest behaviour.
3213      * QEMU used to pick the magic value of 40 bits that corresponds to
3214      * consumer AMD devices but nothing else.
3215      */
3216     if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) {
3217         if (kvm_enabled()) {
3218             uint32_t host_phys_bits = x86_host_phys_bits();
3219             static bool warned;
3220
3221             if (cpu->host_phys_bits) {
3222                 /* The user asked for us to use the host physical bits */
3223                 cpu->phys_bits = host_phys_bits;
3224             }
3225
3226             /* Print a warning if the user set it to a value that's not the
3227              * host value.
3228              */
3229             if (cpu->phys_bits != host_phys_bits && cpu->phys_bits != 0 &&
3230                 !warned) {
3231                 error_report("Warning: Host physical bits (%u)"
3232                                  " does not match phys-bits property (%u)",
3233                                  host_phys_bits, cpu->phys_bits);
3234                 warned = true;
3235             }
3236
3237             if (cpu->phys_bits &&
3238                 (cpu->phys_bits > TARGET_PHYS_ADDR_SPACE_BITS ||
3239                 cpu->phys_bits < 32)) {
3240                 error_setg(errp, "phys-bits should be between 32 and %u "
3241                                  " (but is %u)",
3242                                  TARGET_PHYS_ADDR_SPACE_BITS, cpu->phys_bits);
3243                 return;
3244             }
3245         } else {
3246             if (cpu->phys_bits && cpu->phys_bits != TCG_PHYS_ADDR_BITS) {
3247                 error_setg(errp, "TCG only supports phys-bits=%u",
3248                                   TCG_PHYS_ADDR_BITS);
3249                 return;
3250             }
3251         }
3252         /* 0 means it was not explicitly set by the user (or by machine
3253          * compat_props or by the host code above). In this case, the default
3254          * is the value used by TCG (40).
3255          */
3256         if (cpu->phys_bits == 0) {
3257             cpu->phys_bits = TCG_PHYS_ADDR_BITS;
3258         }
3259     } else {
3260         /* For 32 bit systems don't use the user set value, but keep
3261          * phys_bits consistent with what we tell the guest.
3262          */
3263         if (cpu->phys_bits != 0) {
3264             error_setg(errp, "phys-bits is not user-configurable in 32 bit");
3265             return;
3266         }
3267
3268         if (env->features[FEAT_1_EDX] & CPUID_PSE36) {
3269             cpu->phys_bits = 36;
3270         } else {
3271             cpu->phys_bits = 32;
3272         }
3273     }
3274     cpu_exec_realizefn(cs, &local_err);
3275     if (local_err != NULL) {
3276         error_propagate(errp, local_err);
3277         return;
3278     }
3279
3280     if (tcg_enabled()) {
3281         tcg_x86_init();
3282     }
3283
3284 #ifndef CONFIG_USER_ONLY
3285     qemu_register_reset(x86_cpu_machine_reset_cb, cpu);
3286
3287     if (cpu->env.features[FEAT_1_EDX] & CPUID_APIC || smp_cpus > 1) {
3288         x86_cpu_apic_create(cpu, &local_err);
3289         if (local_err != NULL) {
3290             goto out;
3291         }
3292     }
3293 #endif
3294
3295     mce_init(cpu);
3296
3297 #ifndef CONFIG_USER_ONLY
3298     if (tcg_enabled()) {
3299         AddressSpace *newas = g_new(AddressSpace, 1);
3300
3301         cpu->cpu_as_mem = g_new(MemoryRegion, 1);
3302         cpu->cpu_as_root = g_new(MemoryRegion, 1);
3303
3304         /* Outer container... */
3305         memory_region_init(cpu->cpu_as_root, OBJECT(cpu), "memory", ~0ull);
3306         memory_region_set_enabled(cpu->cpu_as_root, true);
3307
3308         /* ... with two regions inside: normal system memory with low
3309          * priority, and...
3310          */
3311         memory_region_init_alias(cpu->cpu_as_mem, OBJECT(cpu), "memory",
3312                                  get_system_memory(), 0, ~0ull);
3313         memory_region_add_subregion_overlap(cpu->cpu_as_root, 0, cpu->cpu_as_mem, 0);
3314         memory_region_set_enabled(cpu->cpu_as_mem, true);
3315         address_space_init(newas, cpu->cpu_as_root, "CPU");
3316         cs->num_ases = 1;
3317         cpu_address_space_init(cs, newas, 0);
3318
3319         /* ... SMRAM with higher priority, linked from /machine/smram.  */
3320         cpu->machine_done.notify = x86_cpu_machine_done;
3321         qemu_add_machine_init_done_notifier(&cpu->machine_done);
3322     }
3323 #endif
3324
3325     qemu_init_vcpu(cs);
3326
3327     /* Only Intel CPUs support hyperthreading. Even though QEMU fixes this
3328      * issue by adjusting CPUID_0000_0001_EBX and CPUID_8000_0008_ECX
3329      * based on inputs (sockets,cores,threads), it is still better to gives
3330      * users a warning.
3331      *
3332      * NOTE: the following code has to follow qemu_init_vcpu(). Otherwise
3333      * cs->nr_threads hasn't be populated yet and the checking is incorrect.
3334      */
3335     if (!IS_INTEL_CPU(env) && cs->nr_threads > 1 && !ht_warned) {
3336         error_report("AMD CPU doesn't support hyperthreading. Please configure"
3337                      " -smp options properly.");
3338         ht_warned = true;
3339     }
3340
3341     x86_cpu_apic_realize(cpu, &local_err);
3342     if (local_err != NULL) {
3343         goto out;
3344     }
3345     cpu_reset(cs);
3346
3347     xcc->parent_realize(dev, &local_err);
3348
3349 out:
3350     if (local_err != NULL) {
3351         error_propagate(errp, local_err);
3352         return;
3353     }
3354 }
3355
3356 static void x86_cpu_unrealizefn(DeviceState *dev, Error **errp)
3357 {
3358     X86CPU *cpu = X86_CPU(dev);
3359
3360 #ifndef CONFIG_USER_ONLY
3361     cpu_remove_sync(CPU(dev));
3362     qemu_unregister_reset(x86_cpu_machine_reset_cb, dev);
3363 #endif
3364
3365     if (cpu->apic_state) {
3366         object_unparent(OBJECT(cpu->apic_state));
3367         cpu->apic_state = NULL;
3368     }
3369 }
3370
3371 typedef struct BitProperty {
3372     uint32_t *ptr;
3373     uint32_t mask;
3374 } BitProperty;
3375
3376 static void x86_cpu_get_bit_prop(Object *obj, Visitor *v, const char *name,
3377                                  void *opaque, Error **errp)
3378 {
3379     BitProperty *fp = opaque;
3380     bool value = (*fp->ptr & fp->mask) == fp->mask;
3381     visit_type_bool(v, name, &value, errp);
3382 }
3383
3384 static void x86_cpu_set_bit_prop(Object *obj, Visitor *v, const char *name,
3385                                  void *opaque, Error **errp)
3386 {
3387     DeviceState *dev = DEVICE(obj);
3388     BitProperty *fp = opaque;
3389     Error *local_err = NULL;
3390     bool value;
3391
3392     if (dev->realized) {
3393         qdev_prop_set_after_realize(dev, name, errp);
3394         return;
3395     }
3396
3397     visit_type_bool(v, name, &value, &local_err);
3398     if (local_err) {
3399         error_propagate(errp, local_err);
3400         return;
3401     }
3402
3403     if (value) {
3404         *fp->ptr |= fp->mask;
3405     } else {
3406         *fp->ptr &= ~fp->mask;
3407     }
3408 }
3409
3410 static void x86_cpu_release_bit_prop(Object *obj, const char *name,
3411                                      void *opaque)
3412 {
3413     BitProperty *prop = opaque;
3414     g_free(prop);
3415 }
3416
3417 /* Register a boolean property to get/set a single bit in a uint32_t field.
3418  *
3419  * The same property name can be registered multiple times to make it affect
3420  * multiple bits in the same FeatureWord. In that case, the getter will return
3421  * true only if all bits are set.
3422  */
3423 static void x86_cpu_register_bit_prop(X86CPU *cpu,
3424                                       const char *prop_name,
3425                                       uint32_t *field,
3426                                       int bitnr)
3427 {
3428     BitProperty *fp;
3429     ObjectProperty *op;
3430     uint32_t mask = (1UL << bitnr);
3431
3432     op = object_property_find(OBJECT(cpu), prop_name, NULL);
3433     if (op) {
3434         fp = op->opaque;
3435         assert(fp->ptr == field);
3436         fp->mask |= mask;
3437     } else {
3438         fp = g_new0(BitProperty, 1);
3439         fp->ptr = field;
3440         fp->mask = mask;
3441         object_property_add(OBJECT(cpu), prop_name, "bool",
3442                             x86_cpu_get_bit_prop,
3443                             x86_cpu_set_bit_prop,
3444                             x86_cpu_release_bit_prop, fp, &error_abort);
3445     }
3446 }
3447
3448 static void x86_cpu_register_feature_bit_props(X86CPU *cpu,
3449                                                FeatureWord w,
3450                                                int bitnr)
3451 {
3452     FeatureWordInfo *fi = &feature_word_info[w];
3453     const char *name = fi->feat_names[bitnr];
3454
3455     if (!name) {
3456         return;
3457     }
3458
3459     /* Property names should use "-" instead of "_".
3460      * Old names containing underscores are registered as aliases
3461      * using object_property_add_alias()
3462      */
3463     assert(!strchr(name, '_'));
3464     /* aliases don't use "|" delimiters anymore, they are registered
3465      * manually using object_property_add_alias() */
3466     assert(!strchr(name, '|'));
3467     x86_cpu_register_bit_prop(cpu, name, &cpu->env.features[w], bitnr);
3468 }
3469
3470 static void x86_cpu_initfn(Object *obj)
3471 {
3472     CPUState *cs = CPU(obj);
3473     X86CPU *cpu = X86_CPU(obj);
3474     X86CPUClass *xcc = X86_CPU_GET_CLASS(obj);
3475     CPUX86State *env = &cpu->env;
3476     FeatureWord w;
3477
3478     cs->env_ptr = env;
3479
3480     object_property_add(obj, "family", "int",
3481                         x86_cpuid_version_get_family,
3482                         x86_cpuid_version_set_family, NULL, NULL, NULL);
3483     object_property_add(obj, "model", "int",
3484                         x86_cpuid_version_get_model,
3485                         x86_cpuid_version_set_model, NULL, NULL, NULL);
3486     object_property_add(obj, "stepping", "int",
3487                         x86_cpuid_version_get_stepping,
3488                         x86_cpuid_version_set_stepping, NULL, NULL, NULL);
3489     object_property_add_str(obj, "vendor",
3490                             x86_cpuid_get_vendor,
3491                             x86_cpuid_set_vendor, NULL);
3492     object_property_add_str(obj, "model-id",
3493                             x86_cpuid_get_model_id,
3494                             x86_cpuid_set_model_id, NULL);
3495     object_property_add(obj, "tsc-frequency", "int",
3496                         x86_cpuid_get_tsc_freq,
3497                         x86_cpuid_set_tsc_freq, NULL, NULL, NULL);
3498     object_property_add(obj, "feature-words", "X86CPUFeatureWordInfo",
3499                         x86_cpu_get_feature_words,
3500                         NULL, NULL, (void *)env->features, NULL);
3501     object_property_add(obj, "filtered-features", "X86CPUFeatureWordInfo",
3502                         x86_cpu_get_feature_words,
3503                         NULL, NULL, (void *)cpu->filtered_features, NULL);
3504
3505     cpu->hyperv_spinlock_attempts = HYPERV_SPINLOCK_NEVER_RETRY;
3506
3507     for (w = 0; w < FEATURE_WORDS; w++) {
3508         int bitnr;
3509
3510         for (bitnr = 0; bitnr < 32; bitnr++) {
3511             x86_cpu_register_feature_bit_props(cpu, w, bitnr);
3512         }
3513     }
3514
3515     object_property_add_alias(obj, "sse3", obj, "pni", &error_abort);
3516     object_property_add_alias(obj, "pclmuldq", obj, "pclmulqdq", &error_abort);
3517     object_property_add_alias(obj, "sse4-1", obj, "sse4.1", &error_abort);
3518     object_property_add_alias(obj, "sse4-2", obj, "sse4.2", &error_abort);
3519     object_property_add_alias(obj, "xd", obj, "nx", &error_abort);
3520     object_property_add_alias(obj, "ffxsr", obj, "fxsr-opt", &error_abort);
3521     object_property_add_alias(obj, "i64", obj, "lm", &error_abort);
3522
3523     object_property_add_alias(obj, "ds_cpl", obj, "ds-cpl", &error_abort);
3524     object_property_add_alias(obj, "tsc_adjust", obj, "tsc-adjust", &error_abort);
3525     object_property_add_alias(obj, "fxsr_opt", obj, "fxsr-opt", &error_abort);
3526     object_property_add_alias(obj, "lahf_lm", obj, "lahf-lm", &error_abort);
3527     object_property_add_alias(obj, "cmp_legacy", obj, "cmp-legacy", &error_abort);
3528     object_property_add_alias(obj, "nodeid_msr", obj, "nodeid-msr", &error_abort);
3529     object_property_add_alias(obj, "perfctr_core", obj, "perfctr-core", &error_abort);
3530     object_property_add_alias(obj, "perfctr_nb", obj, "perfctr-nb", &error_abort);
3531     object_property_add_alias(obj, "kvm_nopiodelay", obj, "kvm-nopiodelay", &error_abort);
3532     object_property_add_alias(obj, "kvm_mmu", obj, "kvm-mmu", &error_abort);
3533     object_property_add_alias(obj, "kvm_asyncpf", obj, "kvm-asyncpf", &error_abort);
3534     object_property_add_alias(obj, "kvm_steal_time", obj, "kvm-steal-time", &error_abort);
3535     object_property_add_alias(obj, "kvm_pv_eoi", obj, "kvm-pv-eoi", &error_abort);
3536     object_property_add_alias(obj, "kvm_pv_unhalt", obj, "kvm-pv-unhalt", &error_abort);
3537     object_property_add_alias(obj, "svm_lock", obj, "svm-lock", &error_abort);
3538     object_property_add_alias(obj, "nrip_save", obj, "nrip-save", &error_abort);
3539     object_property_add_alias(obj, "tsc_scale", obj, "tsc-scale", &error_abort);
3540     object_property_add_alias(obj, "vmcb_clean", obj, "vmcb-clean", &error_abort);
3541     object_property_add_alias(obj, "pause_filter", obj, "pause-filter", &error_abort);
3542     object_property_add_alias(obj, "sse4_1", obj, "sse4.1", &error_abort);
3543     object_property_add_alias(obj, "sse4_2", obj, "sse4.2", &error_abort);
3544
3545     x86_cpu_load_def(cpu, xcc->cpu_def, &error_abort);
3546 }
3547
3548 static int64_t x86_cpu_get_arch_id(CPUState *cs)
3549 {
3550     X86CPU *cpu = X86_CPU(cs);
3551
3552     return cpu->apic_id;
3553 }
3554
3555 static bool x86_cpu_get_paging_enabled(const CPUState *cs)
3556 {
3557     X86CPU *cpu = X86_CPU(cs);
3558
3559     return cpu->env.cr[0] & CR0_PG_MASK;
3560 }
3561
3562 static void x86_cpu_set_pc(CPUState *cs, vaddr value)
3563 {
3564     X86CPU *cpu = X86_CPU(cs);
3565
3566     cpu->env.eip = value;
3567 }
3568
3569 static void x86_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
3570 {
3571     X86CPU *cpu = X86_CPU(cs);
3572
3573     cpu->env.eip = tb->pc - tb->cs_base;
3574 }
3575
3576 static bool x86_cpu_has_work(CPUState *cs)
3577 {
3578     X86CPU *cpu = X86_CPU(cs);
3579     CPUX86State *env = &cpu->env;
3580
3581     return ((cs->interrupt_request & (CPU_INTERRUPT_HARD |
3582                                       CPU_INTERRUPT_POLL)) &&
3583             (env->eflags & IF_MASK)) ||
3584            (cs->interrupt_request & (CPU_INTERRUPT_NMI |
3585                                      CPU_INTERRUPT_INIT |
3586                                      CPU_INTERRUPT_SIPI |
3587                                      CPU_INTERRUPT_MCE)) ||
3588            ((cs->interrupt_request & CPU_INTERRUPT_SMI) &&
3589             !(env->hflags & HF_SMM_MASK));
3590 }
3591
3592 static Property x86_cpu_properties[] = {
3593 #ifdef CONFIG_USER_ONLY
3594     /* apic_id = 0 by default for *-user, see commit 9886e834 */
3595     DEFINE_PROP_UINT32("apic-id", X86CPU, apic_id, 0),
3596     DEFINE_PROP_INT32("thread-id", X86CPU, thread_id, 0),
3597     DEFINE_PROP_INT32("core-id", X86CPU, core_id, 0),
3598     DEFINE_PROP_INT32("socket-id", X86CPU, socket_id, 0),
3599 #else
3600     DEFINE_PROP_UINT32("apic-id", X86CPU, apic_id, UNASSIGNED_APIC_ID),
3601     DEFINE_PROP_INT32("thread-id", X86CPU, thread_id, -1),
3602     DEFINE_PROP_INT32("core-id", X86CPU, core_id, -1),
3603     DEFINE_PROP_INT32("socket-id", X86CPU, socket_id, -1),
3604 #endif
3605     DEFINE_PROP_BOOL("pmu", X86CPU, enable_pmu, false),
3606     { .name  = "hv-spinlocks", .info  = &qdev_prop_spinlocks },
3607     DEFINE_PROP_BOOL("hv-relaxed", X86CPU, hyperv_relaxed_timing, false),
3608     DEFINE_PROP_BOOL("hv-vapic", X86CPU, hyperv_vapic, false),
3609     DEFINE_PROP_BOOL("hv-time", X86CPU, hyperv_time, false),
3610     DEFINE_PROP_BOOL("hv-crash", X86CPU, hyperv_crash, false),
3611     DEFINE_PROP_BOOL("hv-reset", X86CPU, hyperv_reset, false),
3612     DEFINE_PROP_BOOL("hv-vpindex", X86CPU, hyperv_vpindex, false),
3613     DEFINE_PROP_BOOL("hv-runtime", X86CPU, hyperv_runtime, false),
3614     DEFINE_PROP_BOOL("hv-synic", X86CPU, hyperv_synic, false),
3615     DEFINE_PROP_BOOL("hv-stimer", X86CPU, hyperv_stimer, false),
3616     DEFINE_PROP_BOOL("check", X86CPU, check_cpuid, true),
3617     DEFINE_PROP_BOOL("enforce", X86CPU, enforce_cpuid, false),
3618     DEFINE_PROP_BOOL("kvm", X86CPU, expose_kvm, true),
3619     DEFINE_PROP_UINT32("phys-bits", X86CPU, phys_bits, 0),
3620     DEFINE_PROP_BOOL("host-phys-bits", X86CPU, host_phys_bits, false),
3621     DEFINE_PROP_BOOL("fill-mtrr-mask", X86CPU, fill_mtrr_mask, true),
3622     DEFINE_PROP_UINT32("level", X86CPU, env.cpuid_level, UINT32_MAX),
3623     DEFINE_PROP_UINT32("xlevel", X86CPU, env.cpuid_xlevel, UINT32_MAX),
3624     DEFINE_PROP_UINT32("xlevel2", X86CPU, env.cpuid_xlevel2, UINT32_MAX),
3625     DEFINE_PROP_UINT32("min-level", X86CPU, env.cpuid_min_level, 0),
3626     DEFINE_PROP_UINT32("min-xlevel", X86CPU, env.cpuid_min_xlevel, 0),
3627     DEFINE_PROP_UINT32("min-xlevel2", X86CPU, env.cpuid_min_xlevel2, 0),
3628     DEFINE_PROP_BOOL("full-cpuid-auto-level", X86CPU, full_cpuid_auto_level, true),
3629     DEFINE_PROP_STRING("hv-vendor-id", X86CPU, hyperv_vendor_id),
3630     DEFINE_PROP_BOOL("cpuid-0xb", X86CPU, enable_cpuid_0xb, true),
3631     DEFINE_PROP_BOOL("lmce", X86CPU, enable_lmce, false),
3632     DEFINE_PROP_BOOL("l3-cache", X86CPU, enable_l3_cache, true),
3633     DEFINE_PROP_END_OF_LIST()
3634 };
3635
3636 static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
3637 {
3638     X86CPUClass *xcc = X86_CPU_CLASS(oc);
3639     CPUClass *cc = CPU_CLASS(oc);
3640     DeviceClass *dc = DEVICE_CLASS(oc);
3641
3642     xcc->parent_realize = dc->realize;
3643     dc->realize = x86_cpu_realizefn;
3644     dc->unrealize = x86_cpu_unrealizefn;
3645     dc->props = x86_cpu_properties;
3646
3647     xcc->parent_reset = cc->reset;
3648     cc->reset = x86_cpu_reset;
3649     cc->reset_dump_flags = CPU_DUMP_FPU | CPU_DUMP_CCOP;
3650
3651     cc->class_by_name = x86_cpu_class_by_name;
3652     cc->parse_features = x86_cpu_parse_featurestr;
3653     cc->has_work = x86_cpu_has_work;
3654     cc->do_interrupt = x86_cpu_do_interrupt;
3655     cc->cpu_exec_interrupt = x86_cpu_exec_interrupt;
3656     cc->dump_state = x86_cpu_dump_state;
3657     cc->set_pc = x86_cpu_set_pc;
3658     cc->synchronize_from_tb = x86_cpu_synchronize_from_tb;
3659     cc->gdb_read_register = x86_cpu_gdb_read_register;
3660     cc->gdb_write_register = x86_cpu_gdb_write_register;
3661     cc->get_arch_id = x86_cpu_get_arch_id;
3662     cc->get_paging_enabled = x86_cpu_get_paging_enabled;
3663 #ifdef CONFIG_USER_ONLY
3664     cc->handle_mmu_fault = x86_cpu_handle_mmu_fault;
3665 #else
3666     cc->get_memory_mapping = x86_cpu_get_memory_mapping;
3667     cc->get_phys_page_debug = x86_cpu_get_phys_page_debug;
3668     cc->write_elf64_note = x86_cpu_write_elf64_note;
3669     cc->write_elf64_qemunote = x86_cpu_write_elf64_qemunote;
3670     cc->write_elf32_note = x86_cpu_write_elf32_note;
3671     cc->write_elf32_qemunote = x86_cpu_write_elf32_qemunote;
3672     cc->vmsd = &vmstate_x86_cpu;
3673 #endif
3674     cc->gdb_num_core_regs = CPU_NB_REGS * 2 + 25;
3675 #ifndef CONFIG_USER_ONLY
3676     cc->debug_excp_handler = breakpoint_handler;
3677 #endif
3678     cc->cpu_exec_enter = x86_cpu_exec_enter;
3679     cc->cpu_exec_exit = x86_cpu_exec_exit;
3680
3681     dc->cannot_instantiate_with_device_add_yet = false;
3682 }
3683
3684 static const TypeInfo x86_cpu_type_info = {
3685     .name = TYPE_X86_CPU,
3686     .parent = TYPE_CPU,
3687     .instance_size = sizeof(X86CPU),
3688     .instance_init = x86_cpu_initfn,
3689     .abstract = true,
3690     .class_size = sizeof(X86CPUClass),
3691     .class_init = x86_cpu_common_class_init,
3692 };
3693
3694 static void x86_cpu_register_types(void)
3695 {
3696     int i;
3697
3698     type_register_static(&x86_cpu_type_info);
3699     for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
3700         x86_register_cpudef_type(&builtin_x86_defs[i]);
3701     }
3702 #ifdef CONFIG_KVM
3703     type_register_static(&host_x86_cpu_type_info);
3704 #endif
3705 }
3706
3707 type_init(x86_cpu_register_types)