/*
 *  i386 CPUID helper functions
 *
 *  Copyright (c) 2003 Fabrice Bellard
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */

#include "qemu/osdep.h"
#include "qemu/units.h"
#include "qemu/cutils.h"
#include "qemu/bitops.h"

#include "cpu.h"
#include "exec/exec-all.h"
#include "sysemu/kvm.h"
#include "sysemu/hvf.h"
#include "sysemu/cpus.h"
#include "kvm_i386.h"
#include "sev_i386.h"

#include "qemu/error-report.h"
#include "qemu/option.h"
#include "qemu/config-file.h"
#include "qapi/error.h"
#include "qapi/qapi-visit-misc.h"
#include "qapi/qapi-visit-run-state.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qerror.h"
#include "qapi/visitor.h"
#include "qom/qom-qobject.h"
#include "sysemu/arch_init.h"

#include "standard-headers/asm-x86/kvm_para.h"

#include "sysemu/sysemu.h"
#include "hw/qdev-properties.h"
#include "hw/i386/topology.h"
#ifndef CONFIG_USER_ONLY
#include "exec/address-spaces.h"
#include "hw/hw.h"
#include "hw/xen/xen.h"
#include "hw/i386/apic_internal.h"
#endif

#include "disas/capstone.h"

/* Helpers for building CPUID[2] descriptors: */

struct CPUID2CacheDescriptorInfo {
    enum CacheType type;
    int level;
    int size;
    int line_size;
    int associativity;
};

/*
 * Known CPUID 2 cache descriptors.
 * From Intel SDM Volume 2A, CPUID instruction
 */
struct CPUID2CacheDescriptorInfo cpuid2_cache_descriptors[] = {
    [0x06] = { .level = 1, .type = INSTRUCTION_CACHE, .size =   8 * KiB,
               .associativity = 4,  .line_size = 32, },
    [0x08] = { .level = 1, .type = INSTRUCTION_CACHE, .size =  16 * KiB,
               .associativity = 4,  .line_size = 32, },
    [0x09] = { .level = 1, .type = INSTRUCTION_CACHE, .size =  32 * KiB,
               .associativity = 4,  .line_size = 64, },
    [0x0A] = { .level = 1, .type = DATA_CACHE,        .size =   8 * KiB,
               .associativity = 2,  .line_size = 32, },
    [0x0C] = { .level = 1, .type = DATA_CACHE,        .size =  16 * KiB,
               .associativity = 4,  .line_size = 32, },
    [0x0D] = { .level = 1, .type = DATA_CACHE,        .size =  16 * KiB,
               .associativity = 4,  .line_size = 64, },
    [0x0E] = { .level = 1, .type = DATA_CACHE,        .size =  24 * KiB,
               .associativity = 6,  .line_size = 64, },
    [0x1D] = { .level = 2, .type = UNIFIED_CACHE,     .size = 128 * KiB,
               .associativity = 2,  .line_size = 64, },
    [0x21] = { .level = 2, .type = UNIFIED_CACHE,     .size = 256 * KiB,
               .associativity = 8,  .line_size = 64, },
    /* lines per sector is not supported cpuid2_cache_descriptor(),
    * so descriptors 0x22, 0x23 are not included
    */
    [0x24] = { .level = 2, .type = UNIFIED_CACHE,     .size =   1 * MiB,
               .associativity = 16, .line_size = 64, },
    /* lines per sector is not supported cpuid2_cache_descriptor(),
    * so descriptors 0x25, 0x20 are not included
    */
    [0x2C] = { .level = 1, .type = DATA_CACHE,        .size =  32 * KiB,
               .associativity = 8,  .line_size = 64, },
    [0x30] = { .level = 1, .type = INSTRUCTION_CACHE, .size =  32 * KiB,
               .associativity = 8,  .line_size = 64, },
    [0x41] = { .level = 2, .type = UNIFIED_CACHE,     .size = 128 * KiB,
               .associativity = 4,  .line_size = 32, },
    [0x42] = { .level = 2, .type = UNIFIED_CACHE,     .size = 256 * KiB,
               .associativity = 4,  .line_size = 32, },
    [0x43] = { .level = 2, .type = UNIFIED_CACHE,     .size = 512 * KiB,
               .associativity = 4,  .line_size = 32, },
    [0x44] = { .level = 2, .type = UNIFIED_CACHE,     .size =   1 * MiB,
               .associativity = 4,  .line_size = 32, },
    [0x45] = { .level = 2, .type = UNIFIED_CACHE,     .size =   2 * MiB,
               .associativity = 4,  .line_size = 32, },
    [0x46] = { .level = 3, .type = UNIFIED_CACHE,     .size =   4 * MiB,
               .associativity = 4,  .line_size = 64, },
    [0x47] = { .level = 3, .type = UNIFIED_CACHE,     .size =   8 * MiB,
               .associativity = 8,  .line_size = 64, },
    [0x48] = { .level = 2, .type = UNIFIED_CACHE,     .size =   3 * MiB,
               .associativity = 12, .line_size = 64, },
    /* Descriptor 0x49 depends on CPU family/model, so it is not included */
    [0x4A] = { .level = 3, .type = UNIFIED_CACHE,     .size =   6 * MiB,
               .associativity = 12, .line_size = 64, },
    [0x4B] = { .level = 3, .type = UNIFIED_CACHE,     .size =   8 * MiB,
               .associativity = 16, .line_size = 64, },
    [0x4C] = { .level = 3, .type = UNIFIED_CACHE,     .size =  12 * MiB,
               .associativity = 12, .line_size = 64, },
    [0x4D] = { .level = 3, .type = UNIFIED_CACHE,     .size =  16 * MiB,
               .associativity = 16, .line_size = 64, },
    [0x4E] = { .level = 2, .type = UNIFIED_CACHE,     .size =   6 * MiB,
               .associativity = 24, .line_size = 64, },
    [0x60] = { .level = 1, .type = DATA_CACHE,        .size =  16 * KiB,
               .associativity = 8,  .line_size = 64, },
    [0x66] = { .level = 1, .type = DATA_CACHE,        .size =   8 * KiB,
               .associativity = 4,  .line_size = 64, },
    [0x67] = { .level = 1, .type = DATA_CACHE,        .size =  16 * KiB,
               .associativity = 4,  .line_size = 64, },
    [0x68] = { .level = 1, .type = DATA_CACHE,        .size =  32 * KiB,
               .associativity = 4,  .line_size = 64, },
    [0x78] = { .level = 2, .type = UNIFIED_CACHE,     .size =   1 * MiB,
               .associativity = 4,  .line_size = 64, },
    /* lines per sector is not supported cpuid2_cache_descriptor(),
    * so descriptors 0x79, 0x7A, 0x7B, 0x7C are not included.
    */
    [0x7D] = { .level = 2, .type = UNIFIED_CACHE,     .size =   2 * MiB,
               .associativity = 8,  .line_size = 64, },
    [0x7F] = { .level = 2, .type = UNIFIED_CACHE,     .size = 512 * KiB,
               .associativity = 2,  .line_size = 64, },
    [0x80] = { .level = 2, .type = UNIFIED_CACHE,     .size = 512 * KiB,
               .associativity = 8,  .line_size = 64, },
    [0x82] = { .level = 2, .type = UNIFIED_CACHE,     .size = 256 * KiB,
               .associativity = 8,  .line_size = 32, },
    [0x83] = { .level = 2, .type = UNIFIED_CACHE,     .size = 512 * KiB,
               .associativity = 8,  .line_size = 32, },
    [0x84] = { .level = 2, .type = UNIFIED_CACHE,     .size =   1 * MiB,
               .associativity = 8,  .line_size = 32, },
    [0x85] = { .level = 2, .type = UNIFIED_CACHE,     .size =   2 * MiB,
               .associativity = 8,  .line_size = 32, },
    [0x86] = { .level = 2, .type = UNIFIED_CACHE,     .size = 512 * KiB,
               .associativity = 4,  .line_size = 64, },
    [0x87] = { .level = 2, .type = UNIFIED_CACHE,     .size =   1 * MiB,
               .associativity = 8,  .line_size = 64, },
    [0xD0] = { .level = 3, .type = UNIFIED_CACHE,     .size = 512 * KiB,
               .associativity = 4,  .line_size = 64, },
    [0xD1] = { .level = 3, .type = UNIFIED_CACHE,     .size =   1 * MiB,
               .associativity = 4,  .line_size = 64, },
    [0xD2] = { .level = 3, .type = UNIFIED_CACHE,     .size =   2 * MiB,
               .associativity = 4,  .line_size = 64, },
    [0xD6] = { .level = 3, .type = UNIFIED_CACHE,     .size =   1 * MiB,
               .associativity = 8,  .line_size = 64, },
    [0xD7] = { .level = 3, .type = UNIFIED_CACHE,     .size =   2 * MiB,
               .associativity = 8,  .line_size = 64, },
    [0xD8] = { .level = 3, .type = UNIFIED_CACHE,     .size =   4 * MiB,
               .associativity = 8,  .line_size = 64, },
    [0xDC] = { .level = 3, .type = UNIFIED_CACHE,     .size = 1.5 * MiB,
               .associativity = 12, .line_size = 64, },
    [0xDD] = { .level = 3, .type = UNIFIED_CACHE,     .size =   3 * MiB,
               .associativity = 12, .line_size = 64, },
    [0xDE] = { .level = 3, .type = UNIFIED_CACHE,     .size =   6 * MiB,
               .associativity = 12, .line_size = 64, },
    [0xE2] = { .level = 3, .type = UNIFIED_CACHE,     .size =   2 * MiB,
               .associativity = 16, .line_size = 64, },
    [0xE3] = { .level = 3, .type = UNIFIED_CACHE,     .size =   4 * MiB,
               .associativity = 16, .line_size = 64, },
    [0xE4] = { .level = 3, .type = UNIFIED_CACHE,     .size =   8 * MiB,
               .associativity = 16, .line_size = 64, },
    [0xEA] = { .level = 3, .type = UNIFIED_CACHE,     .size =  12 * MiB,
               .associativity = 24, .line_size = 64, },
    [0xEB] = { .level = 3, .type = UNIFIED_CACHE,     .size =  18 * MiB,
               .associativity = 24, .line_size = 64, },
    [0xEC] = { .level = 3, .type = UNIFIED_CACHE,     .size =  24 * MiB,
               .associativity = 24, .line_size = 64, },
};

/*
 * "CPUID leaf 2 does not report cache descriptor information,
 * use CPUID leaf 4 to query cache parameters"
 */
#define CACHE_DESCRIPTOR_UNAVAILABLE 0xFF

/*
 * Return a CPUID 2 cache descriptor for a given cache.
 * If no known descriptor is found, return CACHE_DESCRIPTOR_UNAVAILABLE
 */
static uint8_t cpuid2_cache_descriptor(CPUCacheInfo *cache)
{
    int i;

    assert(cache->size > 0);
    assert(cache->level > 0);
    assert(cache->line_size > 0);
    assert(cache->associativity > 0);
    for (i = 0; i < ARRAY_SIZE(cpuid2_cache_descriptors); i++) {
        struct CPUID2CacheDescriptorInfo *d = &cpuid2_cache_descriptors[i];
        if (d->level == cache->level && d->type == cache->type &&
            d->size == cache->size && d->line_size == cache->line_size &&
            d->associativity == cache->associativity) {
                return i;
            }
    }

    return CACHE_DESCRIPTOR_UNAVAILABLE;
}

/* CPUID Leaf 4 constants: */

/* EAX: */
#define CACHE_TYPE_D    1
#define CACHE_TYPE_I    2
#define CACHE_TYPE_UNIFIED   3

#define CACHE_LEVEL(l)        (l << 5)

#define CACHE_SELF_INIT_LEVEL (1 << 8)

/* EDX: */
#define CACHE_NO_INVD_SHARING   (1 << 0)
#define CACHE_INCLUSIVE       (1 << 1)
#define CACHE_COMPLEX_IDX     (1 << 2)

/* Encode CacheType for CPUID[4].EAX */
#define CACHE_TYPE(t) (((t) == DATA_CACHE) ? CACHE_TYPE_D : \
                       ((t) == INSTRUCTION_CACHE) ? CACHE_TYPE_I : \
                       ((t) == UNIFIED_CACHE) ? CACHE_TYPE_UNIFIED : \
                       0 /* Invalid value */)


/* Encode cache info for CPUID[4] */
static void encode_cache_cpuid4(CPUCacheInfo *cache,
                                int num_apic_ids, int num_cores,
                                uint32_t *eax, uint32_t *ebx,
                                uint32_t *ecx, uint32_t *edx)
{
    assert(cache->size == cache->line_size * cache->associativity *
                          cache->partitions * cache->sets);

    assert(num_apic_ids > 0);
    *eax = CACHE_TYPE(cache->type) |
           CACHE_LEVEL(cache->level) |
           (cache->self_init ? CACHE_SELF_INIT_LEVEL : 0) |
           ((num_cores - 1) << 26) |
           ((num_apic_ids - 1) << 14);

    assert(cache->line_size > 0);
    assert(cache->partitions > 0);
    assert(cache->associativity > 0);
    /* We don't implement fully-associative caches */
    assert(cache->associativity < cache->sets);
    *ebx = (cache->line_size - 1) |
           ((cache->partitions - 1) << 12) |
           ((cache->associativity - 1) << 22);

    assert(cache->sets > 0);
    *ecx = cache->sets - 1;

    *edx = (cache->no_invd_sharing ? CACHE_NO_INVD_SHARING : 0) |
           (cache->inclusive ? CACHE_INCLUSIVE : 0) |
           (cache->complex_indexing ? CACHE_COMPLEX_IDX : 0);
}

/* Encode cache info for CPUID[0x80000005].ECX or CPUID[0x80000005].EDX */
static uint32_t encode_cache_cpuid80000005(CPUCacheInfo *cache)
{
    assert(cache->size % 1024 == 0);
    assert(cache->lines_per_tag > 0);
    assert(cache->associativity > 0);
    assert(cache->line_size > 0);
    return ((cache->size / 1024) << 24) | (cache->associativity << 16) |
           (cache->lines_per_tag << 8) | (cache->line_size);
}

#define ASSOC_FULL 0xFF

/* AMD associativity encoding used on CPUID Leaf 0x80000006: */
#define AMD_ENC_ASSOC(a) (a <=   1 ? a   : \
                          a ==   2 ? 0x2 : \
                          a ==   4 ? 0x4 : \
                          a ==   8 ? 0x6 : \
                          a ==  16 ? 0x8 : \
                          a ==  32 ? 0xA : \
                          a ==  48 ? 0xB : \
                          a ==  64 ? 0xC : \
                          a ==  96 ? 0xD : \
                          a == 128 ? 0xE : \
                          a == ASSOC_FULL ? 0xF : \
                          0 /* invalid value */)

/*
 * Encode cache info for CPUID[0x80000006].ECX and CPUID[0x80000006].EDX
 * @l3 can be NULL.
 */
static void encode_cache_cpuid80000006(CPUCacheInfo *l2,
                                       CPUCacheInfo *l3,
                                       uint32_t *ecx, uint32_t *edx)
{
    assert(l2->size % 1024 == 0);
    assert(l2->associativity > 0);
    assert(l2->lines_per_tag > 0);
    assert(l2->line_size > 0);
    *ecx = ((l2->size / 1024) << 16) |
           (AMD_ENC_ASSOC(l2->associativity) << 12) |
           (l2->lines_per_tag << 8) | (l2->line_size);

    if (l3) {
        assert(l3->size % (512 * 1024) == 0);
        assert(l3->associativity > 0);
        assert(l3->lines_per_tag > 0);
        assert(l3->line_size > 0);
        *edx = ((l3->size / (512 * 1024)) << 18) |
               (AMD_ENC_ASSOC(l3->associativity) << 12) |
               (l3->lines_per_tag << 8) | (l3->line_size);
    } else {
        *edx = 0;
    }
}

/*
 * Definitions used for building CPUID Leaf 0x8000001D and 0x8000001E
 * Please refer to the AMD64 Architecture Programmer’s Manual Volume 3.
 * Define the constants to build the cpu topology. Right now, TOPOEXT
 * feature is enabled only on EPYC. So, these constants are based on
 * EPYC supported configurations. We may need to handle the cases if
 * these values change in future.
 */
/* Maximum core complexes in a node */
#define MAX_CCX 2
/* Maximum cores in a core complex */
#define MAX_CORES_IN_CCX 4
/* Maximum cores in a node */
#define MAX_CORES_IN_NODE 8
/* Maximum nodes in a socket */
#define MAX_NODES_PER_SOCKET 4

/*
 * Figure out the number of nodes required to build this config.
 * Max cores in a node is 8
 */
static int nodes_in_socket(int nr_cores)
{
    int nodes;

    nodes = DIV_ROUND_UP(nr_cores, MAX_CORES_IN_NODE);

   /* Hardware does not support config with 3 nodes, return 4 in that case */
    return (nodes == 3) ? 4 : nodes;
}

/*
 * Decide the number of cores in a core complex with the given nr_cores using
 * following set constants MAX_CCX, MAX_CORES_IN_CCX, MAX_CORES_IN_NODE and
 * MAX_NODES_PER_SOCKET. Maintain symmetry as much as possible
 * L3 cache is shared across all cores in a core complex. So, this will also
 * tell us how many cores are sharing the L3 cache.
 */
static int cores_in_core_complex(int nr_cores)
{
    int nodes;

    /* Check if we can fit all the cores in one core complex */
    if (nr_cores <= MAX_CORES_IN_CCX) {
        return nr_cores;
    }
    /* Get the number of nodes required to build this config */
    nodes = nodes_in_socket(nr_cores);

    /*
     * Divide the cores accros all the core complexes
     * Return rounded up value
     */
    return DIV_ROUND_UP(nr_cores, nodes * MAX_CCX);
}

/* Encode cache info for CPUID[8000001D] */
static void encode_cache_cpuid8000001d(CPUCacheInfo *cache, CPUState *cs,
                                uint32_t *eax, uint32_t *ebx,
                                uint32_t *ecx, uint32_t *edx)
{
    uint32_t l3_cores;
    assert(cache->size == cache->line_size * cache->associativity *
                          cache->partitions * cache->sets);

    *eax = CACHE_TYPE(cache->type) | CACHE_LEVEL(cache->level) |
               (cache->self_init ? CACHE_SELF_INIT_LEVEL : 0);

    /* L3 is shared among multiple cores */
    if (cache->level == 3) {
        l3_cores = cores_in_core_complex(cs->nr_cores);
        *eax |= ((l3_cores * cs->nr_threads) - 1) << 14;
    } else {
        *eax |= ((cs->nr_threads - 1) << 14);
    }

    assert(cache->line_size > 0);
    assert(cache->partitions > 0);
    assert(cache->associativity > 0);
    /* We don't implement fully-associative caches */
    assert(cache->associativity < cache->sets);
    *ebx = (cache->line_size - 1) |
           ((cache->partitions - 1) << 12) |
           ((cache->associativity - 1) << 22);

    assert(cache->sets > 0);
    *ecx = cache->sets - 1;

    *edx = (cache->no_invd_sharing ? CACHE_NO_INVD_SHARING : 0) |
           (cache->inclusive ? CACHE_INCLUSIVE : 0) |
           (cache->complex_indexing ? CACHE_COMPLEX_IDX : 0);
}

/* Data structure to hold the configuration info for a given core index */
struct core_topology {
    /* core complex id of the current core index */
    int ccx_id;
    /*
     * Adjusted core index for this core in the topology
     * This can be 0,1,2,3 with max 4 cores in a core complex
     */
    int core_id;
    /* Node id for this core index */
    int node_id;
    /* Number of nodes in this config */
    int num_nodes;
};

/*
 * Build the configuration closely match the EPYC hardware. Using the EPYC
 * hardware configuration values (MAX_CCX, MAX_CORES_IN_CCX, MAX_CORES_IN_NODE)
 * right now. This could change in future.
 * nr_cores : Total number of cores in the config
 * core_id  : Core index of the current CPU
 * topo     : Data structure to hold all the config info for this core index
 */
static void build_core_topology(int nr_cores, int core_id,
                                struct core_topology *topo)
{
    int nodes, cores_in_ccx;

    /* First get the number of nodes required */
    nodes = nodes_in_socket(nr_cores);

    cores_in_ccx = cores_in_core_complex(nr_cores);

    topo->node_id = core_id / (cores_in_ccx * MAX_CCX);
    topo->ccx_id = (core_id % (cores_in_ccx * MAX_CCX)) / cores_in_ccx;
    topo->core_id = core_id % cores_in_ccx;
    topo->num_nodes = nodes;
}

/* Encode cache info for CPUID[8000001E] */
static void encode_topo_cpuid8000001e(CPUState *cs, X86CPU *cpu,
                                       uint32_t *eax, uint32_t *ebx,
                                       uint32_t *ecx, uint32_t *edx)
{
    struct core_topology topo = {0};
    unsigned long nodes;
    int shift;

    build_core_topology(cs->nr_cores, cpu->core_id, &topo);
    *eax = cpu->apic_id;
    /*
     * CPUID_Fn8000001E_EBX
     * 31:16 Reserved
     * 15:8  Threads per core (The number of threads per core is
     *       Threads per core + 1)
     *  7:0  Core id (see bit decoding below)
     *       SMT:
     *           4:3 node id
     *             2 Core complex id
     *           1:0 Core id
     *       Non SMT:
     *           5:4 node id
     *             3 Core complex id
     *           1:0 Core id
     */
    if (cs->nr_threads - 1) {
        *ebx = ((cs->nr_threads - 1) << 8) | (topo.node_id << 3) |
                (topo.ccx_id << 2) | topo.core_id;
    } else {
        *ebx = (topo.node_id << 4) | (topo.ccx_id << 3) | topo.core_id;
    }
    /*
     * CPUID_Fn8000001E_ECX
     * 31:11 Reserved
     * 10:8  Nodes per processor (Nodes per processor is number of nodes + 1)
     *  7:0  Node id (see bit decoding below)
     *         2  Socket id
     *       1:0  Node id
     */
    if (topo.num_nodes <= 4) {
        *ecx = ((topo.num_nodes - 1) << 8) | (cpu->socket_id << 2) |
                topo.node_id;
    } else {
        /*
         * Node id fix up. Actual hardware supports up to 4 nodes. But with
         * more than 32 cores, we may end up with more than 4 nodes.
         * Node id is a combination of socket id and node id. Only requirement
         * here is that this number should be unique accross the system.
         * Shift the socket id to accommodate more nodes. We dont expect both
         * socket id and node id to be big number at the same time. This is not
         * an ideal config but we need to to support it. Max nodes we can have
         * is 32 (255/8) with 8 cores per node and 255 max cores. We only need
         * 5 bits for nodes. Find the left most set bit to represent the total
         * number of nodes. find_last_bit returns last set bit(0 based). Left
         * shift(+1) the socket id to represent all the nodes.
         */
        nodes = topo.num_nodes - 1;
        shift = find_last_bit(&nodes, 8);
        *ecx = ((topo.num_nodes - 1) << 8) | (cpu->socket_id << (shift + 1)) |
                topo.node_id;
    }
    *edx = 0;
}

/*
 * Definitions of the hardcoded cache entries we expose:
 * These are legacy cache values. If there is a need to change any
 * of these values please use builtin_x86_defs
 */

/* L1 data cache: */
static CPUCacheInfo legacy_l1d_cache = {
    .type = DATA_CACHE,
    .level = 1,
    .size = 32 * KiB,
    .self_init = 1,
    .line_size = 64,
    .associativity = 8,
    .sets = 64,
    .partitions = 1,
    .no_invd_sharing = true,
};

/*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */
static CPUCacheInfo legacy_l1d_cache_amd = {
    .type = DATA_CACHE,
    .level = 1,
    .size = 64 * KiB,
    .self_init = 1,
    .line_size = 64,
    .associativity = 2,
    .sets = 512,
    .partitions = 1,
    .lines_per_tag = 1,
    .no_invd_sharing = true,
};

/* L1 instruction cache: */
static CPUCacheInfo legacy_l1i_cache = {
    .type = INSTRUCTION_CACHE,
    .level = 1,
    .size = 32 * KiB,
    .self_init = 1,
    .line_size = 64,
    .associativity = 8,
    .sets = 64,
    .partitions = 1,
    .no_invd_sharing = true,
};

/*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */
static CPUCacheInfo legacy_l1i_cache_amd = {
    .type = INSTRUCTION_CACHE,
    .level = 1,
    .size = 64 * KiB,
    .self_init = 1,
    .line_size = 64,
    .associativity = 2,
    .sets = 512,
    .partitions = 1,
    .lines_per_tag = 1,
    .no_invd_sharing = true,
};

/* Level 2 unified cache: */
static CPUCacheInfo legacy_l2_cache = {
    .type = UNIFIED_CACHE,
    .level = 2,
    .size = 4 * MiB,
    .self_init = 1,
    .line_size = 64,
    .associativity = 16,
    .sets = 4096,
    .partitions = 1,
    .no_invd_sharing = true,
};

/*FIXME: CPUID leaf 2 descriptor is inconsistent with CPUID leaf 4 */
static CPUCacheInfo legacy_l2_cache_cpuid2 = {
    .type = UNIFIED_CACHE,
    .level = 2,
    .size = 2 * MiB,
    .line_size = 64,
    .associativity = 8,
};


/*FIXME: CPUID leaf 0x80000006 is inconsistent with leaves 2 & 4 */
static CPUCacheInfo legacy_l2_cache_amd = {
    .type = UNIFIED_CACHE,
    .level = 2,
    .size = 512 * KiB,
    .line_size = 64,
    .lines_per_tag = 1,
    .associativity = 16,
    .sets = 512,
    .partitions = 1,
};

/* Level 3 unified cache: */
static CPUCacheInfo legacy_l3_cache = {
    .type = UNIFIED_CACHE,
    .level = 3,
    .size = 16 * MiB,
    .line_size = 64,
    .associativity = 16,
    .sets = 16384,
    .partitions = 1,
    .lines_per_tag = 1,
    .self_init = true,
    .inclusive = true,
    .complex_indexing = true,
};

/* TLB definitions: */

#define L1_DTLB_2M_ASSOC       1
#define L1_DTLB_2M_ENTRIES   255
#define L1_DTLB_4K_ASSOC       1
#define L1_DTLB_4K_ENTRIES   255

#define L1_ITLB_2M_ASSOC       1
#define L1_ITLB_2M_ENTRIES   255
#define L1_ITLB_4K_ASSOC       1
#define L1_ITLB_4K_ENTRIES   255

#define L2_DTLB_2M_ASSOC       0 /* disabled */
#define L2_DTLB_2M_ENTRIES     0 /* disabled */
#define L2_DTLB_4K_ASSOC       4
#define L2_DTLB_4K_ENTRIES   512

#define L2_ITLB_2M_ASSOC       0 /* disabled */
#define L2_ITLB_2M_ENTRIES     0 /* disabled */
#define L2_ITLB_4K_ASSOC       4
#define L2_ITLB_4K_ENTRIES   512

/* CPUID Leaf 0x14 constants: */
#define INTEL_PT_MAX_SUBLEAF     0x1
/*
 * bit[00]: IA32_RTIT_CTL.CR3 filter can be set to 1 and IA32_RTIT_CR3_MATCH
 *          MSR can be accessed;
 * bit[01]: Support Configurable PSB and Cycle-Accurate Mode;
 * bit[02]: Support IP Filtering, TraceStop filtering, and preservation
 *          of Intel PT MSRs across warm reset;
 * bit[03]: Support MTC timing packet and suppression of COFI-based packets;
 */
#define INTEL_PT_MINIMAL_EBX     0xf
/*
 * bit[00]: Tracing can be enabled with IA32_RTIT_CTL.ToPA = 1 and
 *          IA32_RTIT_OUTPUT_BASE and IA32_RTIT_OUTPUT_MASK_PTRS MSRs can be
 *          accessed;
 * bit[01]: ToPA tables can hold any number of output entries, up to the
 *          maximum allowed by the MaskOrTableOffset field of
 *          IA32_RTIT_OUTPUT_MASK_PTRS;
 * bit[02]: Support Single-Range Output scheme;
 */
#define INTEL_PT_MINIMAL_ECX     0x7
/* generated packets which contain IP payloads have LIP values */
#define INTEL_PT_IP_LIP          (1 << 31)
#define INTEL_PT_ADDR_RANGES_NUM 0x2 /* Number of configurable address ranges */
#define INTEL_PT_ADDR_RANGES_NUM_MASK 0x3
#define INTEL_PT_MTC_BITMAP      (0x0249 << 16) /* Support ART(0,3,6,9) */
#define INTEL_PT_CYCLE_BITMAP    0x1fff         /* Support 0,2^(0~11) */
#define INTEL_PT_PSB_BITMAP      (0x003f << 16) /* Support 2K,4K,8K,16K,32K,64K */

static void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
                                     uint32_t vendor2, uint32_t vendor3)
{
    int i;
    for (i = 0; i < 4; i++) {
        dst[i] = vendor1 >> (8 * i);
        dst[i + 4] = vendor2 >> (8 * i);
        dst[i + 8] = vendor3 >> (8 * i);
    }
    dst[CPUID_VENDOR_SZ] = '\0';
}

#define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
#define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
          CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
#define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
          CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
          CPUID_PSE36 | CPUID_FXSR)
#define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
#define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
          CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
          CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
          CPUID_PAE | CPUID_SEP | CPUID_APIC)

#define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \
          CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \
          CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
          CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \
          CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS | CPUID_DE)
          /* partly implemented:
          CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64) */
          /* missing:
          CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
#define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | \
          CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | \
          CPUID_EXT_SSE41 | CPUID_EXT_SSE42 | CPUID_EXT_POPCNT | \
          CPUID_EXT_XSAVE | /* CPUID_EXT_OSXSAVE is dynamic */   \
          CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR)
          /* missing:
          CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_SMX,
          CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_CID, CPUID_EXT_FMA,
          CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_PCID, CPUID_EXT_DCA,
          CPUID_EXT_X2APIC, CPUID_EXT_TSC_DEADLINE_TIMER, CPUID_EXT_AVX,
          CPUID_EXT_F16C, CPUID_EXT_RDRAND */

#ifdef TARGET_X86_64
#define TCG_EXT2_X86_64_FEATURES (CPUID_EXT2_SYSCALL | CPUID_EXT2_LM)
#else
#define TCG_EXT2_X86_64_FEATURES 0
#endif

#define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
          CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
          CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_PDPE1GB | \
          TCG_EXT2_X86_64_FEATURES)
#define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
          CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
#define TCG_EXT4_FEATURES 0
#define TCG_SVM_FEATURES CPUID_SVM_NPT
#define TCG_KVM_FEATURES 0
#define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP | \
          CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX | \
          CPUID_7_0_EBX_PCOMMIT | CPUID_7_0_EBX_CLFLUSHOPT |            \
          CPUID_7_0_EBX_CLWB | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_FSGSBASE | \
          CPUID_7_0_EBX_ERMS)
          /* missing:
          CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2,
          CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,
          CPUID_7_0_EBX_RDSEED */
#define TCG_7_0_ECX_FEATURES (CPUID_7_0_ECX_PKU | \
          /* CPUID_7_0_ECX_OSPKE is dynamic */ \
          CPUID_7_0_ECX_LA57)
#define TCG_7_0_EDX_FEATURES 0
#define TCG_APM_FEATURES 0
#define TCG_6_EAX_FEATURES CPUID_6_EAX_ARAT
#define TCG_XSAVE_FEATURES (CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XGETBV1)
          /* missing:
          CPUID_XSAVE_XSAVEC, CPUID_XSAVE_XSAVES */

typedef enum FeatureWordType {
   CPUID_FEATURE_WORD,
   MSR_FEATURE_WORD,
} FeatureWordType;

typedef struct FeatureWordInfo {
    FeatureWordType type;
    /* feature flags names are taken from "Intel Processor Identification and
     * the CPUID Instruction" and AMD's "CPUID Specification".
     * In cases of disagreement between feature naming conventions,
     * aliases may be added.
     */
    const char *feat_names[32];
    union {
        /* If type==CPUID_FEATURE_WORD */
        struct {
            uint32_t eax;   /* Input EAX for CPUID */
            bool needs_ecx; /* CPUID instruction uses ECX as input */
            uint32_t ecx;   /* Input ECX value for CPUID */
            int reg;        /* output register (R_* constant) */
        } cpuid;
        /* If type==MSR_FEATURE_WORD */
        struct {
            uint32_t index;
            struct {   /*CPUID that enumerate this MSR*/
                FeatureWord cpuid_class;
                uint32_t    cpuid_flag;
            } cpuid_dep;
        } msr;
    };
    uint32_t tcg_features; /* Feature flags supported by TCG */
    uint32_t unmigratable_flags; /* Feature flags known to be unmigratable */
    uint32_t migratable_flags; /* Feature flags known to be migratable */
    /* Features that shouldn't be auto-enabled by "-cpu host" */
    uint32_t no_autoenable_flags;
} FeatureWordInfo;

static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
    [FEAT_1_EDX] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            "fpu", "vme", "de", "pse",
            "tsc", "msr", "pae", "mce",
            "cx8", "apic", NULL, "sep",
            "mtrr", "pge", "mca", "cmov",
            "pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */,
            NULL, "ds" /* Intel dts */, "acpi", "mmx",
            "fxsr", "sse", "sse2", "ss",
            "ht" /* Intel htt */, "tm", "ia64", "pbe",
        },
        .cpuid = {.eax = 1, .reg = R_EDX, },
        .tcg_features = TCG_FEATURES,
    },
    [FEAT_1_ECX] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            "pni" /* Intel,AMD sse3 */, "pclmulqdq", "dtes64", "monitor",
            "ds-cpl", "vmx", "smx", "est",
            "tm2", "ssse3", "cid", NULL,
            "fma", "cx16", "xtpr", "pdcm",
            NULL, "pcid", "dca", "sse4.1",
            "sse4.2", "x2apic", "movbe", "popcnt",
            "tsc-deadline", "aes", "xsave", NULL /* osxsave */,
            "avx", "f16c", "rdrand", "hypervisor",
        },
        .cpuid = { .eax = 1, .reg = R_ECX, },
        .tcg_features = TCG_EXT_FEATURES,
    },
    /* Feature names that are already defined on feature_name[] but
     * are set on CPUID[8000_0001].EDX on AMD CPUs don't have their
     * names on feat_names below. They are copied automatically
     * to features[FEAT_8000_0001_EDX] if and only if CPU vendor is AMD.
     */
    [FEAT_8000_0001_EDX] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            NULL /* fpu */, NULL /* vme */, NULL /* de */, NULL /* pse */,
            NULL /* tsc */, NULL /* msr */, NULL /* pae */, NULL /* mce */,
            NULL /* cx8 */, NULL /* apic */, NULL, "syscall",
            NULL /* mtrr */, NULL /* pge */, NULL /* mca */, NULL /* cmov */,
            NULL /* pat */, NULL /* pse36 */, NULL, NULL /* Linux mp */,
            "nx", NULL, "mmxext", NULL /* mmx */,
            NULL /* fxsr */, "fxsr-opt", "pdpe1gb", "rdtscp",
            NULL, "lm", "3dnowext", "3dnow",
        },
        .cpuid = { .eax = 0x80000001, .reg = R_EDX, },
        .tcg_features = TCG_EXT2_FEATURES,
    },
    [FEAT_8000_0001_ECX] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            "lahf-lm", "cmp-legacy", "svm", "extapic",
            "cr8legacy", "abm", "sse4a", "misalignsse",
            "3dnowprefetch", "osvw", "ibs", "xop",
            "skinit", "wdt", NULL, "lwp",
            "fma4", "tce", NULL, "nodeid-msr",
            NULL, "tbm", "topoext", "perfctr-core",
            "perfctr-nb", NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
        },
        .cpuid = { .eax = 0x80000001, .reg = R_ECX, },
        .tcg_features = TCG_EXT3_FEATURES,
        /*
         * TOPOEXT is always allowed but can't be enabled blindly by
         * "-cpu host", as it requires consistent cache topology info
         * to be provided so it doesn't confuse guests.
         */
        .no_autoenable_flags = CPUID_EXT3_TOPOEXT,
    },
    [FEAT_C000_0001_EDX] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            NULL, NULL, "xstore", "xstore-en",
            NULL, NULL, "xcrypt", "xcrypt-en",
            "ace2", "ace2-en", "phe", "phe-en",
            "pmm", "pmm-en", NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
        },
        .cpuid = { .eax = 0xC0000001, .reg = R_EDX, },
        .tcg_features = TCG_EXT4_FEATURES,
    },
    [FEAT_KVM] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            "kvmclock", "kvm-nopiodelay", "kvm-mmu", "kvmclock",
            "kvm-asyncpf", "kvm-steal-time", "kvm-pv-eoi", "kvm-pv-unhalt",
            NULL, "kvm-pv-tlb-flush", NULL, "kvm-pv-ipi",
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            "kvmclock-stable-bit", NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
        },
        .cpuid = { .eax = KVM_CPUID_FEATURES, .reg = R_EAX, },
        .tcg_features = TCG_KVM_FEATURES,
    },
    [FEAT_KVM_HINTS] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            "kvm-hint-dedicated", NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
        },
        .cpuid = { .eax = KVM_CPUID_FEATURES, .reg = R_EDX, },
        .tcg_features = TCG_KVM_FEATURES,
        /*
         * KVM hints aren't auto-enabled by -cpu host, they need to be
         * explicitly enabled in the command-line.
         */
        .no_autoenable_flags = ~0U,
    },
    [FEAT_HYPERV_EAX] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            NULL /* hv_msr_vp_runtime_access */, NULL /* hv_msr_time_refcount_access */,
            NULL /* hv_msr_synic_access */, NULL /* hv_msr_stimer_access */,
            NULL /* hv_msr_apic_access */, NULL /* hv_msr_hypercall_access */,
            NULL /* hv_vpindex_access */, NULL /* hv_msr_reset_access */,
            NULL /* hv_msr_stats_access */, NULL /* hv_reftsc_access */,
            NULL /* hv_msr_idle_access */, NULL /* hv_msr_frequency_access */,
            NULL /* hv_msr_debug_access */, NULL /* hv_msr_reenlightenment_access */,
            NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
        },
        .cpuid = { .eax = 0x40000003, .reg = R_EAX, },
    },
    [FEAT_HYPERV_EBX] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            NULL /* hv_create_partitions */, NULL /* hv_access_partition_id */,
            NULL /* hv_access_memory_pool */, NULL /* hv_adjust_message_buffers */,
            NULL /* hv_post_messages */, NULL /* hv_signal_events */,
            NULL /* hv_create_port */, NULL /* hv_connect_port */,
            NULL /* hv_access_stats */, NULL, NULL, NULL /* hv_debugging */,
            NULL /* hv_cpu_power_management */, NULL /* hv_configure_profiler */,
            NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
        },
        .cpuid = { .eax = 0x40000003, .reg = R_EBX, },
    },
    [FEAT_HYPERV_EDX] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            NULL /* hv_mwait */, NULL /* hv_guest_debugging */,
            NULL /* hv_perf_monitor */, NULL /* hv_cpu_dynamic_part */,
            NULL /* hv_hypercall_params_xmm */, NULL /* hv_guest_idle_state */,
            NULL, NULL,
            NULL, NULL, NULL /* hv_guest_crash_msr */, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
        },
        .cpuid = { .eax = 0x40000003, .reg = R_EDX, },
    },
    [FEAT_SVM] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            "npt", "lbrv", "svm-lock", "nrip-save",
            "tsc-scale", "vmcb-clean",  "flushbyasid", "decodeassists",
            NULL, NULL, "pause-filter", NULL,
            "pfthreshold", NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
        },
        .cpuid = { .eax = 0x8000000A, .reg = R_EDX, },
        .tcg_features = TCG_SVM_FEATURES,
    },
    [FEAT_7_0_EBX] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {

            "fsgsbase", "tsc-adjust", NULL, "bmi1",
            "hle", "avx2", NULL, "smep",
            "bmi2", "erms", "invpcid", "rtm",
            NULL, NULL, "mpx", NULL,
            "avx512f", "avx512dq", "rdseed", "adx",
            "smap", "avx512ifma", "pcommit", "clflushopt",
            "clwb", "intel-pt", "avx512pf", "avx512er",
            "avx512cd", "sha-ni", "avx512bw", "avx512vl",
        },
        .cpuid = {
            .eax = 7,
            .needs_ecx = true, .ecx = 0,
            .reg = R_EBX,
        },
        .tcg_features = TCG_7_0_EBX_FEATURES,
    },
    [FEAT_7_0_ECX] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            NULL, "avx512vbmi", "umip", "pku",
            NULL /* ospke */, NULL, "avx512vbmi2", NULL,
            "gfni", "vaes", "vpclmulqdq", "avx512vnni",
            "avx512bitalg", NULL, "avx512-vpopcntdq", NULL,
            "la57", NULL, NULL, NULL,
            NULL, NULL, "rdpid", NULL,
            NULL, "cldemote", NULL, NULL,
            NULL, NULL, NULL, NULL,
        },
        .cpuid = {
            .eax = 7,
            .needs_ecx = true, .ecx = 0,
            .reg = R_ECX,
        },
        .tcg_features = TCG_7_0_ECX_FEATURES,
    },
    [FEAT_7_0_EDX] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            NULL, NULL, "avx512-4vnniw", "avx512-4fmaps",
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, "pconfig", NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, "spec-ctrl", NULL,
            NULL, "arch-capabilities", NULL, "ssbd",
        },
        .cpuid = {
            .eax = 7,
            .needs_ecx = true, .ecx = 0,
            .reg = R_EDX,
        },
        .tcg_features = TCG_7_0_EDX_FEATURES,
        .unmigratable_flags = CPUID_7_0_EDX_ARCH_CAPABILITIES,
    },
    [FEAT_8000_0007_EDX] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            "invtsc", NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
        },
        .cpuid = { .eax = 0x80000007, .reg = R_EDX, },
        .tcg_features = TCG_APM_FEATURES,
        .unmigratable_flags = CPUID_APM_INVTSC,
    },
    [FEAT_8000_0008_EBX] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, "wbnoinvd", NULL, NULL,
            "ibpb", NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            "amd-ssbd", "virt-ssbd", "amd-no-ssb", NULL,
            NULL, NULL, NULL, NULL,
        },
        .cpuid = { .eax = 0x80000008, .reg = R_EBX, },
        .tcg_features = 0,
        .unmigratable_flags = 0,
    },
    [FEAT_XSAVE] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            "xsaveopt", "xsavec", "xgetbv1", "xsaves",
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
        },
        .cpuid = {
            .eax = 0xd,
            .needs_ecx = true, .ecx = 1,
            .reg = R_EAX,
        },
        .tcg_features = TCG_XSAVE_FEATURES,
    },
    [FEAT_6_EAX] = {
        .type = CPUID_FEATURE_WORD,
        .feat_names = {
            NULL, NULL, "arat", NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
        },
        .cpuid = { .eax = 6, .reg = R_EAX, },
        .tcg_features = TCG_6_EAX_FEATURES,
    },
    [FEAT_XSAVE_COMP_LO] = {
        .type = CPUID_FEATURE_WORD,
        .cpuid = {
            .eax = 0xD,
            .needs_ecx = true, .ecx = 0,
            .reg = R_EAX,
        },
        .tcg_features = ~0U,
        .migratable_flags = XSTATE_FP_MASK | XSTATE_SSE_MASK |
            XSTATE_YMM_MASK | XSTATE_BNDREGS_MASK | XSTATE_BNDCSR_MASK |
            XSTATE_OPMASK_MASK | XSTATE_ZMM_Hi256_MASK | XSTATE_Hi16_ZMM_MASK |
            XSTATE_PKRU_MASK,
    },
    [FEAT_XSAVE_COMP_HI] = {
        .type = CPUID_FEATURE_WORD,
        .cpuid = {
            .eax = 0xD,
            .needs_ecx = true, .ecx = 0,
            .reg = R_EDX,
        },
        .tcg_features = ~0U,
    },
    /*Below are MSR exposed features*/
    [FEAT_ARCH_CAPABILITIES] = {
        .type = MSR_FEATURE_WORD,
        .feat_names = {
            "rdctl-no", "ibrs-all", "rsba", "skip-l1dfl-vmentry",
            "ssb-no", NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
            NULL, NULL, NULL, NULL,
        },
        .msr = {
            .index = MSR_IA32_ARCH_CAPABILITIES,
            .cpuid_dep = {
                FEAT_7_0_EDX,
                CPUID_7_0_EDX_ARCH_CAPABILITIES
            }
        },
    },
};

typedef struct X86RegisterInfo32 {
    /* Name of register */
    const char *name;
    /* QAPI enum value register */
    X86CPURegister32 qapi_enum;
} X86RegisterInfo32;

#define REGISTER(reg) \
    [R_##reg] = { .name = #reg, .qapi_enum = X86_CPU_REGISTER32_##reg }
static const X86RegisterInfo32 x86_reg_info_32[CPU_NB_REGS32] = {
    REGISTER(EAX),
    REGISTER(ECX),
    REGISTER(EDX),
    REGISTER(EBX),
    REGISTER(ESP),
    REGISTER(EBP),
    REGISTER(ESI),
    REGISTER(EDI),
};
#undef REGISTER

typedef struct ExtSaveArea {
    uint32_t feature, bits;
    uint32_t offset, size;
} ExtSaveArea;

static const ExtSaveArea x86_ext_save_areas[] = {
    [XSTATE_FP_BIT] = {
        /* x87 FP state component is always enabled if XSAVE is supported */
        .feature = FEAT_1_ECX, .bits = CPUID_EXT_XSAVE,
        /* x87 state is in the legacy region of the XSAVE area */
        .offset = 0,
        .size = sizeof(X86LegacyXSaveArea) + sizeof(X86XSaveHeader),
    },
    [XSTATE_SSE_BIT] = {
        /* SSE state component is always enabled if XSAVE is supported */
        .feature = FEAT_1_ECX, .bits = CPUID_EXT_XSAVE,
        /* SSE state is in the legacy region of the XSAVE area */
        .offset = 0,
        .size = sizeof(X86LegacyXSaveArea) + sizeof(X86XSaveHeader),
    },
    [XSTATE_YMM_BIT] =
          { .feature = FEAT_1_ECX, .bits = CPUID_EXT_AVX,
            .offset = offsetof(X86XSaveArea, avx_state),
            .size = sizeof(XSaveAVX) },
    [XSTATE_BNDREGS_BIT] =
          { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
            .offset = offsetof(X86XSaveArea, bndreg_state),
            .size = sizeof(XSaveBNDREG)  },
    [XSTATE_BNDCSR_BIT] =
          { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
            .offset = offsetof(X86XSaveArea, bndcsr_state),
            .size = sizeof(XSaveBNDCSR)  },
    [XSTATE_OPMASK_BIT] =
          { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F,
            .offset = offsetof(X86XSaveArea, opmask_state),
            .size = sizeof(XSaveOpmask) },
    [XSTATE_ZMM_Hi256_BIT] =
          { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F,
            .offset = offsetof(X86XSaveArea, zmm_hi256_state),
            .size = sizeof(XSaveZMM_Hi256) },
    [XSTATE_Hi16_ZMM_BIT] =
          { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F,
            .offset = offsetof(X86XSaveArea, hi16_zmm_state),
            .size = sizeof(XSaveHi16_ZMM) },
    [XSTATE_PKRU_BIT] =
          { .feature = FEAT_7_0_ECX, .bits = CPUID_7_0_ECX_PKU,
            .offset = offsetof(X86XSaveArea, pkru_state),
            .size = sizeof(XSavePKRU) },
};

static uint32_t xsave_area_size(uint64_t mask)
{
    int i;
    uint64_t ret = 0;

    for (i = 0; i < ARRAY_SIZE(x86_ext_save_areas); i++) {
        const ExtSaveArea *esa = &x86_ext_save_areas[i];
        if ((mask >> i) & 1) {
            ret = MAX(ret, esa->offset + esa->size);
        }
    }
    return ret;
}

static inline bool accel_uses_host_cpuid(void)
{
    return kvm_enabled() || hvf_enabled();
}

static inline uint64_t x86_cpu_xsave_components(X86CPU *cpu)
{
    return ((uint64_t)cpu->env.features[FEAT_XSAVE_COMP_HI]) << 32 |
           cpu->env.features[FEAT_XSAVE_COMP_LO];
}

const char *get_register_name_32(unsigned int reg)
{
    if (reg >= CPU_NB_REGS32) {
        return NULL;
    }
    return x86_reg_info_32[reg].name;
}

/*
 * Returns the set of feature flags that are supported and migratable by
 * QEMU, for a given FeatureWord.
 */
static uint32_t x86_cpu_get_migratable_flags(FeatureWord w)
{
    FeatureWordInfo *wi = &feature_word_info[w];
    uint32_t r = 0;
    int i;

    for (i = 0; i < 32; i++) {
        uint32_t f = 1U << i;

        /* If the feature name is known, it is implicitly considered migratable,
         * unless it is explicitly set in unmigratable_flags */
        if ((wi->migratable_flags & f) ||
            (wi->feat_names[i] && !(wi->unmigratable_flags & f))) {
            r |= f;
        }
    }
    return r;
}

void host_cpuid(uint32_t function, uint32_t count,
                uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)
{
    uint32_t vec[4];

#ifdef __x86_64__
    asm volatile("cpuid"
                 : "=a"(vec[0]), "=b"(vec[1]),
                   "=c"(vec[2]), "=d"(vec[3])
                 : "0"(function), "c"(count) : "cc");
#elif defined(__i386__)
    asm volatile("pusha \n\t"
                 "cpuid \n\t"
                 "mov %%eax, 0(%2) \n\t"
                 "mov %%ebx, 4(%2) \n\t"
                 "mov %%ecx, 8(%2) \n\t"
                 "mov %%edx, 12(%2) \n\t"
                 "popa"
                 : : "a"(function), "c"(count), "S"(vec)
                 : "memory", "cc");
#else
    abort();
#endif

    if (eax)
        *eax = vec[0];
    if (ebx)
        *ebx = vec[1];
    if (ecx)
        *ecx = vec[2];
    if (edx)
        *edx = vec[3];
}

void host_vendor_fms(char *vendor, int *family, int *model, int *stepping)
{
    uint32_t eax, ebx, ecx, edx;

    host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx);
    x86_cpu_vendor_words2str(vendor, ebx, edx, ecx);

    host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx);
    if (family) {
        *family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF);
    }
    if (model) {
        *model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12);
    }
    if (stepping) {
        *stepping = eax & 0x0F;
    }
}

/* CPU class name definitions: */

/* Return type name for a given CPU model name
 * Caller is responsible for freeing the returned string.
 */
static char *x86_cpu_type_name(const char *model_name)
{
    return g_strdup_printf(X86_CPU_TYPE_NAME("%s"), model_name);
}

static ObjectClass *x86_cpu_class_by_name(const char *cpu_model)
{
    ObjectClass *oc;
    char *typename = x86_cpu_type_name(cpu_model);
    oc = object_class_by_name(typename);
    g_free(typename);
    return oc;
}

static char *x86_cpu_class_get_model_name(X86CPUClass *cc)
{
    const char *class_name = object_class_get_name(OBJECT_CLASS(cc));
    assert(g_str_has_suffix(class_name, X86_CPU_TYPE_SUFFIX));
    return g_strndup(class_name,
                     strlen(class_name) - strlen(X86_CPU_TYPE_SUFFIX));
}

struct X86CPUDefinition {
    const char *name;
    uint32_t level;
    uint32_t xlevel;
    /* vendor is zero-terminated, 12 character ASCII string */
    char vendor[CPUID_VENDOR_SZ + 1];
    int family;
    int model;
    int stepping;
    FeatureWordArray features;
    const char *model_id;
    CPUCaches *cache_info;
};

static CPUCaches epyc_cache_info = {
    .l1d_cache = &(CPUCacheInfo) {
        .type = DATA_CACHE,
        .level = 1,
        .size = 32 * KiB,
        .line_size = 64,
        .associativity = 8,
        .partitions = 1,
        .sets = 64,
        .lines_per_tag = 1,
        .self_init = 1,
        .no_invd_sharing = true,
    },
    .l1i_cache = &(CPUCacheInfo) {
        .type = INSTRUCTION_CACHE,
        .level = 1,
        .size = 64 * KiB,
        .line_size = 64,
        .associativity = 4,
        .partitions = 1,
        .sets = 256,
        .lines_per_tag = 1,
        .self_init = 1,
        .no_invd_sharing = true,
    },
    .l2_cache = &(CPUCacheInfo) {
        .type = UNIFIED_CACHE,
        .level = 2,
        .size = 512 * KiB,
        .line_size = 64,
        .associativity = 8,
        .partitions = 1,
        .sets = 1024,
        .lines_per_tag = 1,
    },
    .l3_cache = &(CPUCacheInfo) {
        .type = UNIFIED_CACHE,
        .level = 3,
        .size = 8 * MiB,
        .line_size = 64,
        .associativity = 16,
        .partitions = 1,
        .sets = 8192,
        .lines_per_tag = 1,
        .self_init = true,
        .inclusive = true,
        .complex_indexing = true,
    },
};

static X86CPUDefinition builtin_x86_defs[] = {
    {
        .name = "qemu64",
        .level = 0xd,
        .vendor = CPUID_VENDOR_AMD,
        .family = 6,
        .model = 6,
        .stepping = 3,
        .features[FEAT_1_EDX] =
            PPRO_FEATURES |
            CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
            CPUID_PSE36,
        .features[FEAT_1_ECX] =
            CPUID_EXT_SSE3 | CPUID_EXT_CX16,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM,
        .xlevel = 0x8000000A,
        .model_id = "QEMU Virtual CPU version " QEMU_HW_VERSION,
    },
    {
        .name = "phenom",
        .level = 5,
        .vendor = CPUID_VENDOR_AMD,
        .family = 16,
        .model = 2,
        .stepping = 3,
        /* Missing: CPUID_HT */
        .features[FEAT_1_EDX] =
            PPRO_FEATURES |
            CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
            CPUID_PSE36 | CPUID_VME,
        .features[FEAT_1_ECX] =
            CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 |
            CPUID_EXT_POPCNT,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX |
            CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT |
            CPUID_EXT2_FFXSR | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP,
        /* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
                    CPUID_EXT3_CR8LEG,
                    CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
                    CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
            CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
        /* Missing: CPUID_SVM_LBRV */
        .features[FEAT_SVM] =
            CPUID_SVM_NPT,
        .xlevel = 0x8000001A,
        .model_id = "AMD Phenom(tm) 9550 Quad-Core Processor"
    },
    {
        .name = "core2duo",
        .level = 10,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 15,
        .stepping = 11,
        /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
        .features[FEAT_1_EDX] =
            PPRO_FEATURES |
            CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
            CPUID_PSE36 | CPUID_VME | CPUID_ACPI | CPUID_SS,
        /* Missing: CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_EST,
         * CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_VMX */
        .features[FEAT_1_ECX] =
            CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
            CPUID_EXT_CX16,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_LAHF_LM,
        .xlevel = 0x80000008,
        .model_id = "Intel(R) Core(TM)2 Duo CPU     T7700  @ 2.40GHz",
    },
    {
        .name = "kvm64",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 15,
        .model = 6,
        .stepping = 1,
        /* Missing: CPUID_HT */
        .features[FEAT_1_EDX] =
            PPRO_FEATURES | CPUID_VME |
            CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
            CPUID_PSE36,
        /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
        .features[FEAT_1_ECX] =
            CPUID_EXT_SSE3 | CPUID_EXT_CX16,
        /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
        /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
                    CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A,
                    CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
                    CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */
        .features[FEAT_8000_0001_ECX] =
            0,
        .xlevel = 0x80000008,
        .model_id = "Common KVM processor"
    },
    {
        .name = "qemu32",
        .level = 4,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 6,
        .stepping = 3,
        .features[FEAT_1_EDX] =
            PPRO_FEATURES,
        .features[FEAT_1_ECX] =
            CPUID_EXT_SSE3,
        .xlevel = 0x80000004,
        .model_id = "QEMU Virtual CPU version " QEMU_HW_VERSION,
    },
    {
        .name = "kvm32",
        .level = 5,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 15,
        .model = 6,
        .stepping = 1,
        .features[FEAT_1_EDX] =
            PPRO_FEATURES | CPUID_VME |
            CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_PSE36,
        .features[FEAT_1_ECX] =
            CPUID_EXT_SSE3,
        .features[FEAT_8000_0001_ECX] =
            0,
        .xlevel = 0x80000008,
        .model_id = "Common 32-bit KVM processor"
    },
    {
        .name = "coreduo",
        .level = 10,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 14,
        .stepping = 8,
        /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
        .features[FEAT_1_EDX] =
            PPRO_FEATURES | CPUID_VME |
            CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_ACPI |
            CPUID_SS,
        /* Missing: CPUID_EXT_EST, CPUID_EXT_TM2 , CPUID_EXT_XTPR,
         * CPUID_EXT_PDCM, CPUID_EXT_VMX */
        .features[FEAT_1_ECX] =
            CPUID_EXT_SSE3 | CPUID_EXT_MONITOR,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_NX,
        .xlevel = 0x80000008,
        .model_id = "Genuine Intel(R) CPU           T2600  @ 2.16GHz",
    },
    {
        .name = "486",
        .level = 1,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 4,
        .model = 8,
        .stepping = 0,
        .features[FEAT_1_EDX] =
            I486_FEATURES,
        .xlevel = 0,
        .model_id = "",
    },
    {
        .name = "pentium",
        .level = 1,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 5,
        .model = 4,
        .stepping = 3,
        .features[FEAT_1_EDX] =
            PENTIUM_FEATURES,
        .xlevel = 0,
        .model_id = "",
    },
    {
        .name = "pentium2",
        .level = 2,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 5,
        .stepping = 2,
        .features[FEAT_1_EDX] =
            PENTIUM2_FEATURES,
        .xlevel = 0,
        .model_id = "",
    },
    {
        .name = "pentium3",
        .level = 3,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 7,
        .stepping = 3,
        .features[FEAT_1_EDX] =
            PENTIUM3_FEATURES,
        .xlevel = 0,
        .model_id = "",
    },
    {
        .name = "athlon",
        .level = 2,
        .vendor = CPUID_VENDOR_AMD,
        .family = 6,
        .model = 2,
        .stepping = 3,
        .features[FEAT_1_EDX] =
            PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR |
            CPUID_MCA,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT,
        .xlevel = 0x80000008,
        .model_id = "QEMU Virtual CPU version " QEMU_HW_VERSION,
    },
    {
        .name = "n270",
        .level = 10,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 28,
        .stepping = 2,
        /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
        .features[FEAT_1_EDX] =
            PPRO_FEATURES |
            CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME |
            CPUID_ACPI | CPUID_SS,
            /* Some CPUs got no CPUID_SEP */
        /* Missing: CPUID_EXT_DSCPL, CPUID_EXT_EST, CPUID_EXT_TM2,
         * CPUID_EXT_XTPR */
        .features[FEAT_1_ECX] =
            CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
            CPUID_EXT_MOVBE,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_NX,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_LAHF_LM,
        .xlevel = 0x80000008,
        .model_id = "Intel(R) Atom(TM) CPU N270   @ 1.60GHz",
    },
    {
        .name = "Conroe",
        .level = 10,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 15,
        .stepping = 3,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_LAHF_LM,
        .xlevel = 0x80000008,
        .model_id = "Intel Celeron_4x0 (Conroe/Merom Class Core 2)",
    },
    {
        .name = "Penryn",
        .level = 10,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 23,
        .stepping = 3,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_SSE3,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_LAHF_LM,
        .xlevel = 0x80000008,
        .model_id = "Intel Core 2 Duo P9xxx (Penryn Class Core 2)",
    },
    {
        .name = "Nehalem",
        .level = 11,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 26,
        .stepping = 3,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
            CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_LAHF_LM,
        .xlevel = 0x80000008,
        .model_id = "Intel Core i7 9xx (Nehalem Class Core i7)",
    },
    {
        .name = "Nehalem-IBRS",
        .level = 11,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 26,
        .stepping = 3,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
            CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
        .features[FEAT_7_0_EDX] =
            CPUID_7_0_EDX_SPEC_CTRL,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_LAHF_LM,
        .xlevel = 0x80000008,
        .model_id = "Intel Core i7 9xx (Nehalem Core i7, IBRS update)",
    },
    {
        .name = "Westmere",
        .level = 11,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 44,
        .stepping = 1,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_LAHF_LM,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Westmere E56xx/L56xx/X56xx (Nehalem-C)",
    },
    {
        .name = "Westmere-IBRS",
        .level = 11,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 44,
        .stepping = 1,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_LAHF_LM,
        .features[FEAT_7_0_EDX] =
            CPUID_7_0_EDX_SPEC_CTRL,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Westmere E56xx/L56xx/X56xx (IBRS update)",
    },
    {
        .name = "SandyBridge",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 42,
        .stepping = 1,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
            CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
            CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
            CPUID_EXT_SSE3,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_LAHF_LM,
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Xeon E312xx (Sandy Bridge)",
    },
    {
        .name = "SandyBridge-IBRS",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 42,
        .stepping = 1,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
            CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
            CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
            CPUID_EXT_SSE3,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_LAHF_LM,
        .features[FEAT_7_0_EDX] =
            CPUID_7_0_EDX_SPEC_CTRL,
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Xeon E312xx (Sandy Bridge, IBRS update)",
    },
    {
        .name = "IvyBridge",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 58,
        .stepping = 9,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
            CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
            CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
            CPUID_EXT_SSE3 | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_ERMS,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_LAHF_LM,
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Xeon E3-12xx v2 (Ivy Bridge)",
    },
    {
        .name = "IvyBridge-IBRS",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 58,
        .stepping = 9,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
            CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
            CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
            CPUID_EXT_SSE3 | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_ERMS,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_LAHF_LM,
        .features[FEAT_7_0_EDX] =
            CPUID_7_0_EDX_SPEC_CTRL,
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Xeon E3-12xx v2 (Ivy Bridge, IBRS)",
    },
    {
        .name = "Haswell-noTSX",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 60,
        .stepping = 1,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
            CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID,
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Core Processor (Haswell, no TSX)",
    },
    {
        .name = "Haswell-noTSX-IBRS",

        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 60,
        .stepping = 1,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM,
        .features[FEAT_7_0_EDX] =
            CPUID_7_0_EDX_SPEC_CTRL,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
            CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID,
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Core Processor (Haswell, no TSX, IBRS)",
    },
    {
        .name = "Haswell",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 60,
        .stepping = 4,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
            CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
            CPUID_7_0_EBX_RTM,
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Core Processor (Haswell)",
    },
    {
        .name = "Haswell-IBRS",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 60,
        .stepping = 4,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM,
        .features[FEAT_7_0_EDX] =
            CPUID_7_0_EDX_SPEC_CTRL,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
            CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
            CPUID_7_0_EBX_RTM,
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Core Processor (Haswell, IBRS)",
    },
    {
        .name = "Broadwell-noTSX",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 61,
        .stepping = 2,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
            CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
            CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
            CPUID_7_0_EBX_SMAP,
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Core Processor (Broadwell, no TSX)",
    },
    {
        .name = "Broadwell-noTSX-IBRS",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 61,
        .stepping = 2,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
        .features[FEAT_7_0_EDX] =
            CPUID_7_0_EDX_SPEC_CTRL,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
            CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
            CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
            CPUID_7_0_EBX_SMAP,
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Core Processor (Broadwell, no TSX, IBRS)",
    },
    {
        .name = "Broadwell",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 61,
        .stepping = 2,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
            CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
            CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
            CPUID_7_0_EBX_SMAP,
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Core Processor (Broadwell)",
    },
    {
        .name = "Broadwell-IBRS",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 61,
        .stepping = 2,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
        .features[FEAT_7_0_EDX] =
            CPUID_7_0_EDX_SPEC_CTRL,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
            CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
            CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
            CPUID_7_0_EBX_SMAP,
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Core Processor (Broadwell, IBRS)",
    },
    {
        .name = "Skylake-Client",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 94,
        .stepping = 3,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
            CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
            CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
            CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX,
        /* Missing: XSAVES (not supported by some Linux versions,
         * including v4.1 to v4.12).
         * KVM doesn't yet expose any XSAVES state save component,
         * and the only one defined in Skylake (processor tracing)
         * probably will block migration anyway.
         */
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
            CPUID_XSAVE_XGETBV1,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Core Processor (Skylake)",
    },
    {
        .name = "Skylake-Client-IBRS",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 94,
        .stepping = 3,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
        .features[FEAT_7_0_EDX] =
            CPUID_7_0_EDX_SPEC_CTRL,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
            CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
            CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
            CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX,
        /* Missing: XSAVES (not supported by some Linux versions,
         * including v4.1 to v4.12).
         * KVM doesn't yet expose any XSAVES state save component,
         * and the only one defined in Skylake (processor tracing)
         * probably will block migration anyway.
         */
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
            CPUID_XSAVE_XGETBV1,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Core Processor (Skylake, IBRS)",
    },
    {
        .name = "Skylake-Server",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 85,
        .stepping = 4,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP |
            CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
            CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
            CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
            CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_CLWB |
            CPUID_7_0_EBX_AVX512F | CPUID_7_0_EBX_AVX512DQ |
            CPUID_7_0_EBX_AVX512BW | CPUID_7_0_EBX_AVX512CD |
            CPUID_7_0_EBX_AVX512VL | CPUID_7_0_EBX_CLFLUSHOPT,
        .features[FEAT_7_0_ECX] =
            CPUID_7_0_ECX_PKU,
        /* Missing: XSAVES (not supported by some Linux versions,
         * including v4.1 to v4.12).
         * KVM doesn't yet expose any XSAVES state save component,
         * and the only one defined in Skylake (processor tracing)
         * probably will block migration anyway.
         */
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
            CPUID_XSAVE_XGETBV1,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Xeon Processor (Skylake)",
    },
    {
        .name = "Skylake-Server-IBRS",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 85,
        .stepping = 4,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP |
            CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
        .features[FEAT_7_0_EDX] =
            CPUID_7_0_EDX_SPEC_CTRL,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
            CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
            CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
            CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_CLWB |
            CPUID_7_0_EBX_AVX512F | CPUID_7_0_EBX_AVX512DQ |
            CPUID_7_0_EBX_AVX512BW | CPUID_7_0_EBX_AVX512CD |
            CPUID_7_0_EBX_AVX512VL,
        .features[FEAT_7_0_ECX] =
            CPUID_7_0_ECX_PKU,
        /* Missing: XSAVES (not supported by some Linux versions,
         * including v4.1 to v4.12).
         * KVM doesn't yet expose any XSAVES state save component,
         * and the only one defined in Skylake (processor tracing)
         * probably will block migration anyway.
         */
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
            CPUID_XSAVE_XGETBV1,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Xeon Processor (Skylake, IBRS)",
    },
    {
        .name = "Cascadelake-Server",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 85,
        .stepping = 5,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP |
            CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
            CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
            CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
            CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_CLWB |
            CPUID_7_0_EBX_AVX512F | CPUID_7_0_EBX_AVX512DQ |
            CPUID_7_0_EBX_AVX512BW | CPUID_7_0_EBX_AVX512CD |
            CPUID_7_0_EBX_AVX512VL | CPUID_7_0_EBX_CLFLUSHOPT |
            CPUID_7_0_EBX_INTEL_PT,
        .features[FEAT_7_0_ECX] =
            CPUID_7_0_ECX_PKU | CPUID_7_0_ECX_OSPKE |
            CPUID_7_0_ECX_AVX512VNNI,
        .features[FEAT_7_0_EDX] =
            CPUID_7_0_EDX_SPEC_CTRL | CPUID_7_0_EDX_SPEC_CTRL_SSBD,
        /* Missing: XSAVES (not supported by some Linux versions,
                * including v4.1 to v4.12).
                * KVM doesn't yet expose any XSAVES state save component,
                * and the only one defined in Skylake (processor tracing)
                * probably will block migration anyway.
                */
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
            CPUID_XSAVE_XGETBV1,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Xeon Processor (Cascadelake)",
    },
    {
        .name = "Icelake-Client",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 126,
        .stepping = 0,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
        .features[FEAT_8000_0008_EBX] =
            CPUID_8000_0008_EBX_WBNOINVD,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
            CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
            CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
            CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_INTEL_PT,
        .features[FEAT_7_0_ECX] =
            CPUID_7_0_ECX_VBMI | CPUID_7_0_ECX_UMIP | CPUID_7_0_ECX_PKU |
            CPUID_7_0_ECX_OSPKE | CPUID_7_0_ECX_VBMI2 | CPUID_7_0_ECX_GFNI |
            CPUID_7_0_ECX_VAES | CPUID_7_0_ECX_VPCLMULQDQ |
            CPUID_7_0_ECX_AVX512VNNI | CPUID_7_0_ECX_AVX512BITALG |
            CPUID_7_0_ECX_AVX512_VPOPCNTDQ,
        .features[FEAT_7_0_EDX] =
            CPUID_7_0_EDX_SPEC_CTRL | CPUID_7_0_EDX_SPEC_CTRL_SSBD,
        /* Missing: XSAVES (not supported by some Linux versions,
                * including v4.1 to v4.12).
                * KVM doesn't yet expose any XSAVES state save component,
                * and the only one defined in Skylake (processor tracing)
                * probably will block migration anyway.
                */
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
            CPUID_XSAVE_XGETBV1,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Core Processor (Icelake)",
    },
    {
        .name = "Icelake-Server",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 134,
        .stepping = 0,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP |
            CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
        .features[FEAT_8000_0008_EBX] =
            CPUID_8000_0008_EBX_WBNOINVD,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
            CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
            CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
            CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_CLWB |
            CPUID_7_0_EBX_AVX512F | CPUID_7_0_EBX_AVX512DQ |
            CPUID_7_0_EBX_AVX512BW | CPUID_7_0_EBX_AVX512CD |
            CPUID_7_0_EBX_AVX512VL | CPUID_7_0_EBX_CLFLUSHOPT |
            CPUID_7_0_EBX_INTEL_PT,
        .features[FEAT_7_0_ECX] =
            CPUID_7_0_ECX_VBMI | CPUID_7_0_ECX_UMIP | CPUID_7_0_ECX_PKU |
            CPUID_7_0_ECX_OSPKE | CPUID_7_0_ECX_VBMI2 | CPUID_7_0_ECX_GFNI |
            CPUID_7_0_ECX_VAES | CPUID_7_0_ECX_VPCLMULQDQ |
            CPUID_7_0_ECX_AVX512VNNI | CPUID_7_0_ECX_AVX512BITALG |
            CPUID_7_0_ECX_AVX512_VPOPCNTDQ | CPUID_7_0_ECX_LA57,
        .features[FEAT_7_0_EDX] =
            CPUID_7_0_EDX_PCONFIG | CPUID_7_0_EDX_SPEC_CTRL |
            CPUID_7_0_EDX_SPEC_CTRL_SSBD,
        /* Missing: XSAVES (not supported by some Linux versions,
                * including v4.1 to v4.12).
                * KVM doesn't yet expose any XSAVES state save component,
                * and the only one defined in Skylake (processor tracing)
                * probably will block migration anyway.
                */
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
            CPUID_XSAVE_XGETBV1,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Xeon Processor (Icelake)",
    },
    {
        .name = "KnightsMill",
        .level = 0xd,
        .vendor = CPUID_VENDOR_INTEL,
        .family = 6,
        .model = 133,
        .stepping = 0,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SS | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR |
            CPUID_MMX | CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV |
            CPUID_MCA | CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC |
            CPUID_CX8 | CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC |
            CPUID_PSE | CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
            CPUID_EXT_F16C | CPUID_EXT_RDRAND,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP |
            CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_AVX2 |
            CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS |
            CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX | CPUID_7_0_EBX_AVX512F |
            CPUID_7_0_EBX_AVX512CD | CPUID_7_0_EBX_AVX512PF |
            CPUID_7_0_EBX_AVX512ER,
        .features[FEAT_7_0_ECX] =
            CPUID_7_0_ECX_AVX512_VPOPCNTDQ,
        .features[FEAT_7_0_EDX] =
            CPUID_7_0_EDX_AVX512_4VNNIW | CPUID_7_0_EDX_AVX512_4FMAPS,
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x80000008,
        .model_id = "Intel Xeon Phi Processor (Knights Mill)",
    },
    {
        .name = "Opteron_G1",
        .level = 5,
        .vendor = CPUID_VENDOR_AMD,
        .family = 15,
        .model = 6,
        .stepping = 1,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_SSE3,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
        .xlevel = 0x80000008,
        .model_id = "AMD Opteron 240 (Gen 1 Class Opteron)",
    },
    {
        .name = "Opteron_G2",
        .level = 5,
        .vendor = CPUID_VENDOR_AMD,
        .family = 15,
        .model = 6,
        .stepping = 1,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_CX16 | CPUID_EXT_SSE3,
        /* Missing: CPUID_EXT2_RDTSCP */
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
        .xlevel = 0x80000008,
        .model_id = "AMD Opteron 22xx (Gen 2 Class Opteron)",
    },
    {
        .name = "Opteron_G3",
        .level = 5,
        .vendor = CPUID_VENDOR_AMD,
        .family = 16,
        .model = 2,
        .stepping = 3,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_POPCNT | CPUID_EXT_CX16 | CPUID_EXT_MONITOR |
            CPUID_EXT_SSE3,
        /* Missing: CPUID_EXT2_RDTSCP */
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A |
            CPUID_EXT3_ABM | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
        .xlevel = 0x80000008,
        .model_id = "AMD Opteron 23xx (Gen 3 Class Opteron)",
    },
    {
        .name = "Opteron_G4",
        .level = 0xd,
        .vendor = CPUID_VENDOR_AMD,
        .family = 21,
        .model = 1,
        .stepping = 2,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
            CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
            CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
            CPUID_EXT_SSE3,
        /* Missing: CPUID_EXT2_RDTSCP */
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_PDPE1GB | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
            CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
            CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
            CPUID_EXT3_LAHF_LM,
        /* no xsaveopt! */
        .xlevel = 0x8000001A,
        .model_id = "AMD Opteron 62xx class CPU",
    },
    {
        .name = "Opteron_G5",
        .level = 0xd,
        .vendor = CPUID_VENDOR_AMD,
        .family = 21,
        .model = 2,
        .stepping = 0,
        .features[FEAT_1_EDX] =
            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
            CPUID_DE | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_F16C | CPUID_EXT_AVX | CPUID_EXT_XSAVE |
            CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_FMA |
            CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
        /* Missing: CPUID_EXT2_RDTSCP */
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_PDPE1GB | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_TBM | CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
            CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
            CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
            CPUID_EXT3_LAHF_LM,
        /* no xsaveopt! */
        .xlevel = 0x8000001A,
        .model_id = "AMD Opteron 63xx class CPU",
    },
    {
        .name = "EPYC",
        .level = 0xd,
        .vendor = CPUID_VENDOR_AMD,
        .family = 23,
        .model = 1,
        .stepping = 2,
        .features[FEAT_1_EDX] =
            CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | CPUID_CLFLUSH |
            CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | CPUID_PGE |
            CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | CPUID_MCE |
            CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | CPUID_DE |
            CPUID_VME | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_RDRAND | CPUID_EXT_F16C | CPUID_EXT_AVX |
            CPUID_EXT_XSAVE | CPUID_EXT_AES |  CPUID_EXT_POPCNT |
            CPUID_EXT_MOVBE | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
            CPUID_EXT_CX16 | CPUID_EXT_FMA | CPUID_EXT_SSSE3 |
            CPUID_EXT_MONITOR | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_PDPE1GB |
            CPUID_EXT2_FFXSR | CPUID_EXT2_MMXEXT | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_OSVW | CPUID_EXT3_3DNOWPREFETCH |
            CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A | CPUID_EXT3_ABM |
            CPUID_EXT3_CR8LEG | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM |
            CPUID_EXT3_TOPOEXT,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_AVX2 |
            CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_RDSEED |
            CPUID_7_0_EBX_ADX | CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_CLFLUSHOPT |
            CPUID_7_0_EBX_SHA_NI,
        /* Missing: XSAVES (not supported by some Linux versions,
         * including v4.1 to v4.12).
         * KVM doesn't yet expose any XSAVES state save component.
         */
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
            CPUID_XSAVE_XGETBV1,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x8000001E,
        .model_id = "AMD EPYC Processor",
        .cache_info = &epyc_cache_info,
    },
    {
        .name = "EPYC-IBPB",
        .level = 0xd,
        .vendor = CPUID_VENDOR_AMD,
        .family = 23,
        .model = 1,
        .stepping = 2,
        .features[FEAT_1_EDX] =
            CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | CPUID_CLFLUSH |
            CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | CPUID_PGE |
            CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | CPUID_MCE |
            CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | CPUID_DE |
            CPUID_VME | CPUID_FP87,
        .features[FEAT_1_ECX] =
            CPUID_EXT_RDRAND | CPUID_EXT_F16C | CPUID_EXT_AVX |
            CPUID_EXT_XSAVE | CPUID_EXT_AES |  CPUID_EXT_POPCNT |
            CPUID_EXT_MOVBE | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
            CPUID_EXT_CX16 | CPUID_EXT_FMA | CPUID_EXT_SSSE3 |
            CPUID_EXT_MONITOR | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
        .features[FEAT_8000_0001_EDX] =
            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_PDPE1GB |
            CPUID_EXT2_FFXSR | CPUID_EXT2_MMXEXT | CPUID_EXT2_NX |
            CPUID_EXT2_SYSCALL,
        .features[FEAT_8000_0001_ECX] =
            CPUID_EXT3_OSVW | CPUID_EXT3_3DNOWPREFETCH |
            CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A | CPUID_EXT3_ABM |
            CPUID_EXT3_CR8LEG | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM |
            CPUID_EXT3_TOPOEXT,
        .features[FEAT_8000_0008_EBX] =
            CPUID_8000_0008_EBX_IBPB,
        .features[FEAT_7_0_EBX] =
            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_AVX2 |
            CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_RDSEED |
            CPUID_7_0_EBX_ADX | CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_CLFLUSHOPT |
            CPUID_7_0_EBX_SHA_NI,
        /* Missing: XSAVES (not supported by some Linux versions,
         * including v4.1 to v4.12).
         * KVM doesn't yet expose any XSAVES state save component.
         */
        .features[FEAT_XSAVE] =
            CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
            CPUID_XSAVE_XGETBV1,
        .features[FEAT_6_EAX] =
            CPUID_6_EAX_ARAT,
        .xlevel = 0x8000001E,
        .model_id = "AMD EPYC Processor (with IBPB)",
        .cache_info = &epyc_cache_info,
    },
};

typedef struct PropValue {
    const char *prop, *value;
} PropValue;

/* KVM-specific features that are automatically added/removed
 * from all CPU models when KVM is enabled.
 */
static PropValue kvm_default_props[] = {
    { "kvmclock", "on" },
    { "kvm-nopiodelay", "on" },
    { "kvm-asyncpf", "on" },
    { "kvm-steal-time", "on" },
    { "kvm-pv-eoi", "on" },
    { "kvmclock-stable-bit", "on" },
    { "x2apic", "on" },
    { "acpi", "off" },
    { "monitor", "off" },
    { "svm", "off" },
    { NULL, NULL },
};

/* TCG-specific defaults that override all CPU models when using TCG
 */
static PropValue tcg_default_props[] = {
    { "vme", "off" },
    { NULL, NULL },
};


void x86_cpu_change_kvm_default(const char *prop, const char *value)
{
    PropValue *pv;
    for (pv = kvm_default_props; pv->prop; pv++) {
        if (!strcmp(pv->prop, prop)) {
            pv->value = value;
            break;
        }
    }

    /* It is valid to call this function only for properties that
     * are already present in the kvm_default_props table.
     */
    assert(pv->prop);
}

static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w,
                                                   bool migratable_only);

static bool lmce_supported(void)
{
    uint64_t mce_cap = 0;

#ifdef CONFIG_KVM
    if (kvm_ioctl(kvm_state, KVM_X86_GET_MCE_CAP_SUPPORTED, &mce_cap) < 0) {
        return false;
    }
#endif

    return !!(mce_cap & MCG_LMCE_P);
}

#define CPUID_MODEL_ID_SZ 48

/**
 * cpu_x86_fill_model_id:
 * Get CPUID model ID string from host CPU.
 *
 * @str should have at least CPUID_MODEL_ID_SZ bytes
 *
 * The function does NOT add a null terminator to the string
 * automatically.
 */
static int cpu_x86_fill_model_id(char *str)
{
    uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
    int i;

    for (i = 0; i < 3; i++) {
        host_cpuid(0x80000002 + i, 0, &eax, &ebx, &ecx, &edx);
        memcpy(str + i * 16 +  0, &eax, 4);
        memcpy(str + i * 16 +  4, &ebx, 4);
        memcpy(str + i * 16 +  8, &ecx, 4);
        memcpy(str + i * 16 + 12, &edx, 4);
    }
    return 0;
}

static Property max_x86_cpu_properties[] = {
    DEFINE_PROP_BOOL("migratable", X86CPU, migratable, true),
    DEFINE_PROP_BOOL("host-cache-info", X86CPU, cache_info_passthrough, false),
    DEFINE_PROP_END_OF_LIST()
};

static void max_x86_cpu_class_init(ObjectClass *oc, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(oc);
    X86CPUClass *xcc = X86_CPU_CLASS(oc);

    xcc->ordering = 9;

    xcc->model_description =