2167 lines
74 KiB
C
2167 lines
74 KiB
C
/*
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* i386 CPUID helper functions
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <inttypes.h>
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#include "cpu.h"
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#include "kvm.h"
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#include "qemu-option.h"
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#include "qemu-config.h"
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#include "qapi/qmp/qerror.h"
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#include "qapi/visitor.h"
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#include "arch_init.h"
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#include "hyperv.h"
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#include "hw/hw.h"
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#if defined(CONFIG_KVM)
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#include <linux/kvm_para.h>
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#endif
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#include "sysemu.h"
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#ifndef CONFIG_USER_ONLY
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#include "hw/xen.h"
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#include "hw/sysbus.h"
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#include "hw/apic_internal.h"
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#endif
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/* feature flags taken from "Intel Processor Identification and the CPUID
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* Instruction" and AMD's "CPUID Specification". In cases of disagreement
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* between feature naming conventions, aliases may be added.
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*/
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static const char *feature_name[] = {
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"fpu", "vme", "de", "pse",
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"tsc", "msr", "pae", "mce",
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"cx8", "apic", NULL, "sep",
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"mtrr", "pge", "mca", "cmov",
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"pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */,
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NULL, "ds" /* Intel dts */, "acpi", "mmx",
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"fxsr", "sse", "sse2", "ss",
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"ht" /* Intel htt */, "tm", "ia64", "pbe",
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};
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static const char *ext_feature_name[] = {
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"pni|sse3" /* Intel,AMD sse3 */, "pclmulqdq|pclmuldq", "dtes64", "monitor",
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"ds_cpl", "vmx", "smx", "est",
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"tm2", "ssse3", "cid", NULL,
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"fma", "cx16", "xtpr", "pdcm",
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NULL, "pcid", "dca", "sse4.1|sse4_1",
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"sse4.2|sse4_2", "x2apic", "movbe", "popcnt",
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"tsc-deadline", "aes", "xsave", "osxsave",
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"avx", "f16c", "rdrand", "hypervisor",
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};
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/* Feature names that are already defined on feature_name[] but are set on
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* CPUID[8000_0001].EDX on AMD CPUs don't have their names on
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* ext2_feature_name[]. They are copied automatically to cpuid_ext2_features
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* if and only if CPU vendor is AMD.
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*/
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static const char *ext2_feature_name[] = {
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NULL /* fpu */, NULL /* vme */, NULL /* de */, NULL /* pse */,
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NULL /* tsc */, NULL /* msr */, NULL /* pae */, NULL /* mce */,
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NULL /* cx8 */ /* AMD CMPXCHG8B */, NULL /* apic */, NULL, "syscall",
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NULL /* mtrr */, NULL /* pge */, NULL /* mca */, NULL /* cmov */,
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NULL /* pat */, NULL /* pse36 */, NULL, NULL /* Linux mp */,
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"nx|xd", NULL, "mmxext", NULL /* mmx */,
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NULL /* fxsr */, "fxsr_opt|ffxsr", "pdpe1gb" /* AMD Page1GB */, "rdtscp",
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NULL, "lm|i64", "3dnowext", "3dnow",
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};
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static const char *ext3_feature_name[] = {
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"lahf_lm" /* AMD LahfSahf */, "cmp_legacy", "svm", "extapic" /* AMD ExtApicSpace */,
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"cr8legacy" /* AMD AltMovCr8 */, "abm", "sse4a", "misalignsse",
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"3dnowprefetch", "osvw", "ibs", "xop",
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"skinit", "wdt", NULL, "lwp",
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"fma4", "tce", NULL, "nodeid_msr",
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NULL, "tbm", "topoext", "perfctr_core",
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"perfctr_nb", NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *kvm_feature_name[] = {
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"kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock",
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"kvm_asyncpf", "kvm_steal_time", "kvm_pv_eoi", NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *svm_feature_name[] = {
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"npt", "lbrv", "svm_lock", "nrip_save",
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"tsc_scale", "vmcb_clean", "flushbyasid", "decodeassists",
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NULL, NULL, "pause_filter", NULL,
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"pfthreshold", NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *cpuid_7_0_ebx_feature_name[] = {
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"fsgsbase", NULL, NULL, "bmi1", "hle", "avx2", NULL, "smep",
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"bmi2", "erms", "invpcid", "rtm", NULL, NULL, NULL, NULL,
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NULL, NULL, "rdseed", "adx", "smap", NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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};
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/* collects per-function cpuid data
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*/
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typedef struct model_features_t {
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uint32_t *guest_feat;
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uint32_t *host_feat;
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uint32_t check_feat;
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const char **flag_names;
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uint32_t cpuid;
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} model_features_t;
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int check_cpuid = 0;
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int enforce_cpuid = 0;
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#if defined(CONFIG_KVM)
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static uint32_t kvm_default_features = (1 << KVM_FEATURE_CLOCKSOURCE) |
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(1 << KVM_FEATURE_NOP_IO_DELAY) |
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(1 << KVM_FEATURE_MMU_OP) |
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(1 << KVM_FEATURE_CLOCKSOURCE2) |
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(1 << KVM_FEATURE_ASYNC_PF) |
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(1 << KVM_FEATURE_STEAL_TIME) |
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(1 << KVM_FEATURE_CLOCKSOURCE_STABLE_BIT);
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static const uint32_t kvm_pv_eoi_features = (0x1 << KVM_FEATURE_PV_EOI);
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#else
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static uint32_t kvm_default_features = 0;
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static const uint32_t kvm_pv_eoi_features = 0;
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#endif
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void enable_kvm_pv_eoi(void)
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{
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kvm_default_features |= kvm_pv_eoi_features;
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}
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void host_cpuid(uint32_t function, uint32_t count,
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uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)
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{
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#if defined(CONFIG_KVM)
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uint32_t vec[4];
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#ifdef __x86_64__
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asm volatile("cpuid"
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: "=a"(vec[0]), "=b"(vec[1]),
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"=c"(vec[2]), "=d"(vec[3])
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: "0"(function), "c"(count) : "cc");
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#else
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asm volatile("pusha \n\t"
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"cpuid \n\t"
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"mov %%eax, 0(%2) \n\t"
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"mov %%ebx, 4(%2) \n\t"
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"mov %%ecx, 8(%2) \n\t"
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"mov %%edx, 12(%2) \n\t"
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"popa"
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: : "a"(function), "c"(count), "S"(vec)
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: "memory", "cc");
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#endif
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if (eax)
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*eax = vec[0];
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if (ebx)
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*ebx = vec[1];
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if (ecx)
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*ecx = vec[2];
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if (edx)
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*edx = vec[3];
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#endif
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}
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#define iswhite(c) ((c) && ((c) <= ' ' || '~' < (c)))
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/* general substring compare of *[s1..e1) and *[s2..e2). sx is start of
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* a substring. ex if !NULL points to the first char after a substring,
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* otherwise the string is assumed to sized by a terminating nul.
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* Return lexical ordering of *s1:*s2.
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*/
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static int sstrcmp(const char *s1, const char *e1, const char *s2,
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const char *e2)
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{
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for (;;) {
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if (!*s1 || !*s2 || *s1 != *s2)
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return (*s1 - *s2);
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++s1, ++s2;
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if (s1 == e1 && s2 == e2)
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return (0);
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else if (s1 == e1)
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return (*s2);
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else if (s2 == e2)
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return (*s1);
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}
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}
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/* compare *[s..e) to *altstr. *altstr may be a simple string or multiple
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* '|' delimited (possibly empty) strings in which case search for a match
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* within the alternatives proceeds left to right. Return 0 for success,
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* non-zero otherwise.
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*/
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static int altcmp(const char *s, const char *e, const char *altstr)
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{
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const char *p, *q;
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for (q = p = altstr; ; ) {
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while (*p && *p != '|')
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++p;
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if ((q == p && !*s) || (q != p && !sstrcmp(s, e, q, p)))
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return (0);
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if (!*p)
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return (1);
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else
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q = ++p;
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}
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}
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/* search featureset for flag *[s..e), if found set corresponding bit in
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* *pval and return true, otherwise return false
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*/
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static bool lookup_feature(uint32_t *pval, const char *s, const char *e,
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const char **featureset)
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{
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uint32_t mask;
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const char **ppc;
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bool found = false;
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for (mask = 1, ppc = featureset; mask; mask <<= 1, ++ppc) {
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if (*ppc && !altcmp(s, e, *ppc)) {
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*pval |= mask;
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found = true;
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}
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}
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return found;
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}
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static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features,
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uint32_t *ext_features,
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uint32_t *ext2_features,
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uint32_t *ext3_features,
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uint32_t *kvm_features,
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uint32_t *svm_features,
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uint32_t *cpuid_7_0_ebx_features)
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{
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if (!lookup_feature(features, flagname, NULL, feature_name) &&
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!lookup_feature(ext_features, flagname, NULL, ext_feature_name) &&
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!lookup_feature(ext2_features, flagname, NULL, ext2_feature_name) &&
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!lookup_feature(ext3_features, flagname, NULL, ext3_feature_name) &&
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!lookup_feature(kvm_features, flagname, NULL, kvm_feature_name) &&
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!lookup_feature(svm_features, flagname, NULL, svm_feature_name) &&
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!lookup_feature(cpuid_7_0_ebx_features, flagname, NULL,
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cpuid_7_0_ebx_feature_name))
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fprintf(stderr, "CPU feature %s not found\n", flagname);
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}
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typedef struct x86_def_t {
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struct x86_def_t *next;
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const char *name;
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uint32_t level;
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uint32_t vendor1, vendor2, vendor3;
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int family;
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int model;
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int stepping;
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int tsc_khz;
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uint32_t features, ext_features, ext2_features, ext3_features;
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uint32_t kvm_features, svm_features;
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uint32_t xlevel;
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char model_id[48];
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int vendor_override;
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/* Store the results of Centaur's CPUID instructions */
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uint32_t ext4_features;
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uint32_t xlevel2;
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/* The feature bits on CPUID[EAX=7,ECX=0].EBX */
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uint32_t cpuid_7_0_ebx_features;
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} x86_def_t;
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#define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
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#define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
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CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
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#define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
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CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
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CPUID_PSE36 | CPUID_FXSR)
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#define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
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#define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
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CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
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CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
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CPUID_PAE | CPUID_SEP | CPUID_APIC)
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#define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \
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CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \
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CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
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CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \
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CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS)
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/* partly implemented:
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CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64)
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CPUID_PSE36 (needed for Solaris) */
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/* missing:
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CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
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#define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | \
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CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | CPUID_EXT_POPCNT | \
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CPUID_EXT_HYPERVISOR)
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/* missing:
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CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_EST,
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CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_XSAVE */
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#define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
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CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
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CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT)
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/* missing:
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CPUID_EXT2_PDPE1GB */
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#define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
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CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
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#define TCG_SVM_FEATURES 0
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#define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP)
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/* maintains list of cpu model definitions
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*/
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static x86_def_t *x86_defs = {NULL};
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/* built-in cpu model definitions (deprecated)
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*/
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static x86_def_t builtin_x86_defs[] = {
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{
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.name = "qemu64",
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.level = 4,
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.vendor1 = CPUID_VENDOR_AMD_1,
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.vendor2 = CPUID_VENDOR_AMD_2,
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.vendor3 = CPUID_VENDOR_AMD_3,
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.family = 6,
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.model = 2,
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.stepping = 3,
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.features = PPRO_FEATURES |
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CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
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CPUID_PSE36,
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.ext_features = CPUID_EXT_SSE3 | CPUID_EXT_CX16 | CPUID_EXT_POPCNT,
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.ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
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CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
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.ext3_features = CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
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CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
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.xlevel = 0x8000000A,
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},
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{
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.name = "phenom",
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.level = 5,
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.vendor1 = CPUID_VENDOR_AMD_1,
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.vendor2 = CPUID_VENDOR_AMD_2,
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.vendor3 = CPUID_VENDOR_AMD_3,
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.family = 16,
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.model = 2,
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.stepping = 3,
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.features = PPRO_FEATURES |
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CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
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CPUID_PSE36 | CPUID_VME | CPUID_HT,
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.ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 |
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CPUID_EXT_POPCNT,
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.ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
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CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX |
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CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT |
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CPUID_EXT2_FFXSR | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP,
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/* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
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CPUID_EXT3_CR8LEG,
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CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
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CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
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.ext3_features = CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
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CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
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.svm_features = CPUID_SVM_NPT | CPUID_SVM_LBRV,
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.xlevel = 0x8000001A,
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.model_id = "AMD Phenom(tm) 9550 Quad-Core Processor"
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},
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{
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.name = "core2duo",
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.level = 10,
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.family = 6,
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.model = 15,
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.stepping = 11,
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.features = PPRO_FEATURES |
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CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
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CPUID_PSE36 | CPUID_VME | CPUID_DTS | CPUID_ACPI | CPUID_SS |
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CPUID_HT | CPUID_TM | CPUID_PBE,
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.ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
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CPUID_EXT_DTES64 | CPUID_EXT_DSCPL | CPUID_EXT_VMX | CPUID_EXT_EST |
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CPUID_EXT_TM2 | CPUID_EXT_CX16 | CPUID_EXT_XTPR | CPUID_EXT_PDCM,
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.ext2_features = CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
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.ext3_features = CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x80000008,
|
|
.model_id = "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz",
|
|
},
|
|
{
|
|
.name = "kvm64",
|
|
.level = 5,
|
|
.vendor1 = CPUID_VENDOR_INTEL_1,
|
|
.vendor2 = CPUID_VENDOR_INTEL_2,
|
|
.vendor3 = CPUID_VENDOR_INTEL_3,
|
|
.family = 15,
|
|
.model = 6,
|
|
.stepping = 1,
|
|
/* Missing: CPUID_VME, CPUID_HT */
|
|
.features = PPRO_FEATURES |
|
|
CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
|
|
CPUID_PSE36,
|
|
/* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
|
|
.ext_features = CPUID_EXT_SSE3 | CPUID_EXT_CX16,
|
|
/* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
|
|
.ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
|
|
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 */
|
|
.ext3_features = 0,
|
|
.xlevel = 0x80000008,
|
|
.model_id = "Common KVM processor"
|
|
},
|
|
{
|
|
.name = "qemu32",
|
|
.level = 4,
|
|
.family = 6,
|
|
.model = 3,
|
|
.stepping = 3,
|
|
.features = PPRO_FEATURES,
|
|
.ext_features = CPUID_EXT_SSE3 | CPUID_EXT_POPCNT,
|
|
.xlevel = 0x80000004,
|
|
},
|
|
{
|
|
.name = "kvm32",
|
|
.level = 5,
|
|
.family = 15,
|
|
.model = 6,
|
|
.stepping = 1,
|
|
.features = PPRO_FEATURES |
|
|
CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_PSE36,
|
|
.ext_features = CPUID_EXT_SSE3,
|
|
.ext2_features = PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES,
|
|
.ext3_features = 0,
|
|
.xlevel = 0x80000008,
|
|
.model_id = "Common 32-bit KVM processor"
|
|
},
|
|
{
|
|
.name = "coreduo",
|
|
.level = 10,
|
|
.family = 6,
|
|
.model = 14,
|
|
.stepping = 8,
|
|
.features = PPRO_FEATURES | CPUID_VME |
|
|
CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_DTS | CPUID_ACPI |
|
|
CPUID_SS | CPUID_HT | CPUID_TM | CPUID_PBE,
|
|
.ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_VMX |
|
|
CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR | CPUID_EXT_PDCM,
|
|
.ext2_features = CPUID_EXT2_NX,
|
|
.xlevel = 0x80000008,
|
|
.model_id = "Genuine Intel(R) CPU T2600 @ 2.16GHz",
|
|
},
|
|
{
|
|
.name = "486",
|
|
.level = 1,
|
|
.family = 4,
|
|
.model = 0,
|
|
.stepping = 0,
|
|
.features = I486_FEATURES,
|
|
.xlevel = 0,
|
|
},
|
|
{
|
|
.name = "pentium",
|
|
.level = 1,
|
|
.family = 5,
|
|
.model = 4,
|
|
.stepping = 3,
|
|
.features = PENTIUM_FEATURES,
|
|
.xlevel = 0,
|
|
},
|
|
{
|
|
.name = "pentium2",
|
|
.level = 2,
|
|
.family = 6,
|
|
.model = 5,
|
|
.stepping = 2,
|
|
.features = PENTIUM2_FEATURES,
|
|
.xlevel = 0,
|
|
},
|
|
{
|
|
.name = "pentium3",
|
|
.level = 2,
|
|
.family = 6,
|
|
.model = 7,
|
|
.stepping = 3,
|
|
.features = PENTIUM3_FEATURES,
|
|
.xlevel = 0,
|
|
},
|
|
{
|
|
.name = "athlon",
|
|
.level = 2,
|
|
.vendor1 = CPUID_VENDOR_AMD_1,
|
|
.vendor2 = CPUID_VENDOR_AMD_2,
|
|
.vendor3 = CPUID_VENDOR_AMD_3,
|
|
.family = 6,
|
|
.model = 2,
|
|
.stepping = 3,
|
|
.features = PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR |
|
|
CPUID_MCA,
|
|
.ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
|
|
CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT,
|
|
.xlevel = 0x80000008,
|
|
},
|
|
{
|
|
.name = "n270",
|
|
/* original is on level 10 */
|
|
.level = 5,
|
|
.family = 6,
|
|
.model = 28,
|
|
.stepping = 2,
|
|
.features = PPRO_FEATURES |
|
|
CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME | CPUID_DTS |
|
|
CPUID_ACPI | CPUID_SS | CPUID_HT | CPUID_TM | CPUID_PBE,
|
|
/* Some CPUs got no CPUID_SEP */
|
|
.ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
|
|
CPUID_EXT_DSCPL | CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR,
|
|
.ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
|
|
CPUID_EXT2_NX,
|
|
.ext3_features = CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x8000000A,
|
|
.model_id = "Intel(R) Atom(TM) CPU N270 @ 1.60GHz",
|
|
},
|
|
{
|
|
.name = "Conroe",
|
|
.level = 2,
|
|
.vendor1 = CPUID_VENDOR_INTEL_1,
|
|
.vendor2 = CPUID_VENDOR_INTEL_2,
|
|
.vendor3 = CPUID_VENDOR_INTEL_3,
|
|
.family = 6,
|
|
.model = 2,
|
|
.stepping = 3,
|
|
.features = 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,
|
|
.ext_features = CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
|
|
.ext2_features = CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
|
|
.ext3_features = CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x8000000A,
|
|
.model_id = "Intel Celeron_4x0 (Conroe/Merom Class Core 2)",
|
|
},
|
|
{
|
|
.name = "Penryn",
|
|
.level = 2,
|
|
.vendor1 = CPUID_VENDOR_INTEL_1,
|
|
.vendor2 = CPUID_VENDOR_INTEL_2,
|
|
.vendor3 = CPUID_VENDOR_INTEL_3,
|
|
.family = 6,
|
|
.model = 2,
|
|
.stepping = 3,
|
|
.features = 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,
|
|
.ext_features = CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
|
|
CPUID_EXT_SSE3,
|
|
.ext2_features = CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
|
|
.ext3_features = CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x8000000A,
|
|
.model_id = "Intel Core 2 Duo P9xxx (Penryn Class Core 2)",
|
|
},
|
|
{
|
|
.name = "Nehalem",
|
|
.level = 2,
|
|
.vendor1 = CPUID_VENDOR_INTEL_1,
|
|
.vendor2 = CPUID_VENDOR_INTEL_2,
|
|
.vendor3 = CPUID_VENDOR_INTEL_3,
|
|
.family = 6,
|
|
.model = 2,
|
|
.stepping = 3,
|
|
.features = 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,
|
|
.ext_features = CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
|
|
CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
|
|
.ext2_features = CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
|
|
.ext3_features = CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x8000000A,
|
|
.model_id = "Intel Core i7 9xx (Nehalem Class Core i7)",
|
|
},
|
|
{
|
|
.name = "Westmere",
|
|
.level = 11,
|
|
.vendor1 = CPUID_VENDOR_INTEL_1,
|
|
.vendor2 = CPUID_VENDOR_INTEL_2,
|
|
.vendor3 = CPUID_VENDOR_INTEL_3,
|
|
.family = 6,
|
|
.model = 44,
|
|
.stepping = 1,
|
|
.features = 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,
|
|
.ext_features = CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
|
|
CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
|
|
CPUID_EXT_SSE3,
|
|
.ext2_features = CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
|
|
.ext3_features = CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x8000000A,
|
|
.model_id = "Westmere E56xx/L56xx/X56xx (Nehalem-C)",
|
|
},
|
|
{
|
|
.name = "SandyBridge",
|
|
.level = 0xd,
|
|
.vendor1 = CPUID_VENDOR_INTEL_1,
|
|
.vendor2 = CPUID_VENDOR_INTEL_2,
|
|
.vendor3 = CPUID_VENDOR_INTEL_3,
|
|
.family = 6,
|
|
.model = 42,
|
|
.stepping = 1,
|
|
.features = 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,
|
|
.ext_features = 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,
|
|
.ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
|
|
CPUID_EXT2_SYSCALL,
|
|
.ext3_features = CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x8000000A,
|
|
.model_id = "Intel Xeon E312xx (Sandy Bridge)",
|
|
},
|
|
{
|
|
.name = "Haswell",
|
|
.level = 0xd,
|
|
.vendor1 = CPUID_VENDOR_INTEL_1,
|
|
.vendor2 = CPUID_VENDOR_INTEL_2,
|
|
.vendor3 = CPUID_VENDOR_INTEL_3,
|
|
.family = 6,
|
|
.model = 60,
|
|
.stepping = 1,
|
|
.features = 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,
|
|
.ext_features = 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,
|
|
.ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
|
|
CPUID_EXT2_SYSCALL,
|
|
.ext3_features = CPUID_EXT3_LAHF_LM,
|
|
.cpuid_7_0_ebx_features = 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,
|
|
.xlevel = 0x8000000A,
|
|
.model_id = "Intel Core Processor (Haswell)",
|
|
},
|
|
{
|
|
.name = "Opteron_G1",
|
|
.level = 5,
|
|
.vendor1 = CPUID_VENDOR_AMD_1,
|
|
.vendor2 = CPUID_VENDOR_AMD_2,
|
|
.vendor3 = CPUID_VENDOR_AMD_3,
|
|
.family = 15,
|
|
.model = 6,
|
|
.stepping = 1,
|
|
.features = 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,
|
|
.ext_features = CPUID_EXT_SSE3,
|
|
.ext2_features = CPUID_EXT2_LM | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
|
|
CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
|
|
CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
|
|
CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
|
|
CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
|
|
CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
|
|
.xlevel = 0x80000008,
|
|
.model_id = "AMD Opteron 240 (Gen 1 Class Opteron)",
|
|
},
|
|
{
|
|
.name = "Opteron_G2",
|
|
.level = 5,
|
|
.vendor1 = CPUID_VENDOR_AMD_1,
|
|
.vendor2 = CPUID_VENDOR_AMD_2,
|
|
.vendor3 = CPUID_VENDOR_AMD_3,
|
|
.family = 15,
|
|
.model = 6,
|
|
.stepping = 1,
|
|
.features = 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,
|
|
.ext_features = CPUID_EXT_CX16 | CPUID_EXT_SSE3,
|
|
.ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_FXSR |
|
|
CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
|
|
CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
|
|
CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
|
|
CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
|
|
CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
|
|
CPUID_EXT2_DE | CPUID_EXT2_FPU,
|
|
.ext3_features = CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x80000008,
|
|
.model_id = "AMD Opteron 22xx (Gen 2 Class Opteron)",
|
|
},
|
|
{
|
|
.name = "Opteron_G3",
|
|
.level = 5,
|
|
.vendor1 = CPUID_VENDOR_AMD_1,
|
|
.vendor2 = CPUID_VENDOR_AMD_2,
|
|
.vendor3 = CPUID_VENDOR_AMD_3,
|
|
.family = 15,
|
|
.model = 6,
|
|
.stepping = 1,
|
|
.features = 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,
|
|
.ext_features = CPUID_EXT_POPCNT | CPUID_EXT_CX16 | CPUID_EXT_MONITOR |
|
|
CPUID_EXT_SSE3,
|
|
.ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_FXSR |
|
|
CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
|
|
CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
|
|
CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
|
|
CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
|
|
CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
|
|
CPUID_EXT2_DE | CPUID_EXT2_FPU,
|
|
.ext3_features = 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,
|
|
.vendor1 = CPUID_VENDOR_AMD_1,
|
|
.vendor2 = CPUID_VENDOR_AMD_2,
|
|
.vendor3 = CPUID_VENDOR_AMD_3,
|
|
.family = 21,
|
|
.model = 1,
|
|
.stepping = 2,
|
|
.features = 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,
|
|
.ext_features = 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,
|
|
.ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP |
|
|
CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
|
|
CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
|
|
CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
|
|
CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
|
|
CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
|
|
CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
|
|
.ext3_features = 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,
|
|
.xlevel = 0x8000001A,
|
|
.model_id = "AMD Opteron 62xx class CPU",
|
|
},
|
|
{
|
|
.name = "Opteron_G5",
|
|
.level = 0xd,
|
|
.vendor1 = CPUID_VENDOR_AMD_1,
|
|
.vendor2 = CPUID_VENDOR_AMD_2,
|
|
.vendor3 = CPUID_VENDOR_AMD_3,
|
|
.family = 21,
|
|
.model = 2,
|
|
.stepping = 0,
|
|
.features = 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,
|
|
.ext_features = 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,
|
|
.ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP |
|
|
CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
|
|
CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
|
|
CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
|
|
CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
|
|
CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
|
|
CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
|
|
.ext3_features = 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,
|
|
.xlevel = 0x8000001A,
|
|
.model_id = "AMD Opteron 63xx class CPU",
|
|
},
|
|
};
|
|
|
|
#ifdef CONFIG_KVM
|
|
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;
|
|
}
|
|
#endif
|
|
|
|
/* Fill a x86_def_t struct with information about the host CPU, and
|
|
* the CPU features supported by the host hardware + host kernel
|
|
*
|
|
* This function may be called only if KVM is enabled.
|
|
*/
|
|
static void kvm_cpu_fill_host(x86_def_t *x86_cpu_def)
|
|
{
|
|
#ifdef CONFIG_KVM
|
|
KVMState *s = kvm_state;
|
|
uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
|
|
|
|
assert(kvm_enabled());
|
|
|
|
x86_cpu_def->name = "host";
|
|
host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx);
|
|
x86_cpu_def->vendor1 = ebx;
|
|
x86_cpu_def->vendor2 = edx;
|
|
x86_cpu_def->vendor3 = ecx;
|
|
|
|
host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx);
|
|
x86_cpu_def->family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF);
|
|
x86_cpu_def->model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12);
|
|
x86_cpu_def->stepping = eax & 0x0F;
|
|
|
|
x86_cpu_def->level = kvm_arch_get_supported_cpuid(s, 0x0, 0, R_EAX);
|
|
x86_cpu_def->features = kvm_arch_get_supported_cpuid(s, 0x1, 0, R_EDX);
|
|
x86_cpu_def->ext_features = kvm_arch_get_supported_cpuid(s, 0x1, 0, R_ECX);
|
|
|
|
if (x86_cpu_def->level >= 7) {
|
|
x86_cpu_def->cpuid_7_0_ebx_features =
|
|
kvm_arch_get_supported_cpuid(s, 0x7, 0, R_EBX);
|
|
} else {
|
|
x86_cpu_def->cpuid_7_0_ebx_features = 0;
|
|
}
|
|
|
|
x86_cpu_def->xlevel = kvm_arch_get_supported_cpuid(s, 0x80000000, 0, R_EAX);
|
|
x86_cpu_def->ext2_features =
|
|
kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_EDX);
|
|
x86_cpu_def->ext3_features =
|
|
kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_ECX);
|
|
|
|
cpu_x86_fill_model_id(x86_cpu_def->model_id);
|
|
x86_cpu_def->vendor_override = 0;
|
|
|
|
/* Call Centaur's CPUID instruction. */
|
|
if (x86_cpu_def->vendor1 == CPUID_VENDOR_VIA_1 &&
|
|
x86_cpu_def->vendor2 == CPUID_VENDOR_VIA_2 &&
|
|
x86_cpu_def->vendor3 == CPUID_VENDOR_VIA_3) {
|
|
host_cpuid(0xC0000000, 0, &eax, &ebx, &ecx, &edx);
|
|
eax = kvm_arch_get_supported_cpuid(s, 0xC0000000, 0, R_EAX);
|
|
if (eax >= 0xC0000001) {
|
|
/* Support VIA max extended level */
|
|
x86_cpu_def->xlevel2 = eax;
|
|
host_cpuid(0xC0000001, 0, &eax, &ebx, &ecx, &edx);
|
|
x86_cpu_def->ext4_features =
|
|
kvm_arch_get_supported_cpuid(s, 0xC0000001, 0, R_EDX);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Every SVM feature requires emulation support in KVM - so we can't just
|
|
* read the host features here. KVM might even support SVM features not
|
|
* available on the host hardware. Just set all bits and mask out the
|
|
* unsupported ones later.
|
|
*/
|
|
x86_cpu_def->svm_features = -1;
|
|
#endif /* CONFIG_KVM */
|
|
}
|
|
|
|
static int unavailable_host_feature(struct model_features_t *f, uint32_t mask)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < 32; ++i)
|
|
if (1 << i & mask) {
|
|
fprintf(stderr, "warning: host cpuid %04x_%04x lacks requested"
|
|
" flag '%s' [0x%08x]\n",
|
|
f->cpuid >> 16, f->cpuid & 0xffff,
|
|
f->flag_names[i] ? f->flag_names[i] : "[reserved]", mask);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* best effort attempt to inform user requested cpu flags aren't making
|
|
* their way to the guest. Note: ft[].check_feat ideally should be
|
|
* specified via a guest_def field to suppress report of extraneous flags.
|
|
*
|
|
* This function may be called only if KVM is enabled.
|
|
*/
|
|
static int kvm_check_features_against_host(x86_def_t *guest_def)
|
|
{
|
|
x86_def_t host_def;
|
|
uint32_t mask;
|
|
int rv, i;
|
|
struct model_features_t ft[] = {
|
|
{&guest_def->features, &host_def.features,
|
|
~0, feature_name, 0x00000000},
|
|
{&guest_def->ext_features, &host_def.ext_features,
|
|
~CPUID_EXT_HYPERVISOR, ext_feature_name, 0x00000001},
|
|
{&guest_def->ext2_features, &host_def.ext2_features,
|
|
~PPRO_FEATURES, ext2_feature_name, 0x80000000},
|
|
{&guest_def->ext3_features, &host_def.ext3_features,
|
|
~CPUID_EXT3_SVM, ext3_feature_name, 0x80000001}};
|
|
|
|
assert(kvm_enabled());
|
|
|
|
kvm_cpu_fill_host(&host_def);
|
|
for (rv = 0, i = 0; i < ARRAY_SIZE(ft); ++i)
|
|
for (mask = 1; mask; mask <<= 1)
|
|
if (ft[i].check_feat & mask && *ft[i].guest_feat & mask &&
|
|
!(*ft[i].host_feat & mask)) {
|
|
unavailable_host_feature(&ft[i], mask);
|
|
rv = 1;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
static void x86_cpuid_version_get_family(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
int64_t value;
|
|
|
|
value = (env->cpuid_version >> 8) & 0xf;
|
|
if (value == 0xf) {
|
|
value += (env->cpuid_version >> 20) & 0xff;
|
|
}
|
|
visit_type_int(v, &value, name, errp);
|
|
}
|
|
|
|
static void x86_cpuid_version_set_family(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
const int64_t min = 0;
|
|
const int64_t max = 0xff + 0xf;
|
|
int64_t value;
|
|
|
|
visit_type_int(v, &value, name, errp);
|
|
if (error_is_set(errp)) {
|
|
return;
|
|
}
|
|
if (value < min || value > max) {
|
|
error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
|
|
name ? name : "null", value, min, max);
|
|
return;
|
|
}
|
|
|
|
env->cpuid_version &= ~0xff00f00;
|
|
if (value > 0x0f) {
|
|
env->cpuid_version |= 0xf00 | ((value - 0x0f) << 20);
|
|
} else {
|
|
env->cpuid_version |= value << 8;
|
|
}
|
|
}
|
|
|
|
static void x86_cpuid_version_get_model(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
int64_t value;
|
|
|
|
value = (env->cpuid_version >> 4) & 0xf;
|
|
value |= ((env->cpuid_version >> 16) & 0xf) << 4;
|
|
visit_type_int(v, &value, name, errp);
|
|
}
|
|
|
|
static void x86_cpuid_version_set_model(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
const int64_t min = 0;
|
|
const int64_t max = 0xff;
|
|
int64_t value;
|
|
|
|
visit_type_int(v, &value, name, errp);
|
|
if (error_is_set(errp)) {
|
|
return;
|
|
}
|
|
if (value < min || value > max) {
|
|
error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
|
|
name ? name : "null", value, min, max);
|
|
return;
|
|
}
|
|
|
|
env->cpuid_version &= ~0xf00f0;
|
|
env->cpuid_version |= ((value & 0xf) << 4) | ((value >> 4) << 16);
|
|
}
|
|
|
|
static void x86_cpuid_version_get_stepping(Object *obj, Visitor *v,
|
|
void *opaque, const char *name,
|
|
Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
int64_t value;
|
|
|
|
value = env->cpuid_version & 0xf;
|
|
visit_type_int(v, &value, name, errp);
|
|
}
|
|
|
|
static void x86_cpuid_version_set_stepping(Object *obj, Visitor *v,
|
|
void *opaque, const char *name,
|
|
Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
const int64_t min = 0;
|
|
const int64_t max = 0xf;
|
|
int64_t value;
|
|
|
|
visit_type_int(v, &value, name, errp);
|
|
if (error_is_set(errp)) {
|
|
return;
|
|
}
|
|
if (value < min || value > max) {
|
|
error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
|
|
name ? name : "null", value, min, max);
|
|
return;
|
|
}
|
|
|
|
env->cpuid_version &= ~0xf;
|
|
env->cpuid_version |= value & 0xf;
|
|
}
|
|
|
|
static void x86_cpuid_get_level(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
|
|
visit_type_uint32(v, &cpu->env.cpuid_level, name, errp);
|
|
}
|
|
|
|
static void x86_cpuid_set_level(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
|
|
visit_type_uint32(v, &cpu->env.cpuid_level, name, errp);
|
|
}
|
|
|
|
static void x86_cpuid_get_xlevel(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
|
|
visit_type_uint32(v, &cpu->env.cpuid_xlevel, name, errp);
|
|
}
|
|
|
|
static void x86_cpuid_set_xlevel(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
|
|
visit_type_uint32(v, &cpu->env.cpuid_xlevel, name, errp);
|
|
}
|
|
|
|
static char *x86_cpuid_get_vendor(Object *obj, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
char *value;
|
|
int i;
|
|
|
|
value = (char *)g_malloc(CPUID_VENDOR_SZ + 1);
|
|
for (i = 0; i < 4; i++) {
|
|
value[i ] = env->cpuid_vendor1 >> (8 * i);
|
|
value[i + 4] = env->cpuid_vendor2 >> (8 * i);
|
|
value[i + 8] = env->cpuid_vendor3 >> (8 * i);
|
|
}
|
|
value[CPUID_VENDOR_SZ] = '\0';
|
|
return value;
|
|
}
|
|
|
|
static void x86_cpuid_set_vendor(Object *obj, const char *value,
|
|
Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
int i;
|
|
|
|
if (strlen(value) != CPUID_VENDOR_SZ) {
|
|
error_set(errp, QERR_PROPERTY_VALUE_BAD, "",
|
|
"vendor", value);
|
|
return;
|
|
}
|
|
|
|
env->cpuid_vendor1 = 0;
|
|
env->cpuid_vendor2 = 0;
|
|
env->cpuid_vendor3 = 0;
|
|
for (i = 0; i < 4; i++) {
|
|
env->cpuid_vendor1 |= ((uint8_t)value[i ]) << (8 * i);
|
|
env->cpuid_vendor2 |= ((uint8_t)value[i + 4]) << (8 * i);
|
|
env->cpuid_vendor3 |= ((uint8_t)value[i + 8]) << (8 * i);
|
|
}
|
|
env->cpuid_vendor_override = 1;
|
|
}
|
|
|
|
static char *x86_cpuid_get_model_id(Object *obj, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
char *value;
|
|
int i;
|
|
|
|
value = g_malloc(48 + 1);
|
|
for (i = 0; i < 48; i++) {
|
|
value[i] = env->cpuid_model[i >> 2] >> (8 * (i & 3));
|
|
}
|
|
value[48] = '\0';
|
|
return value;
|
|
}
|
|
|
|
static void x86_cpuid_set_model_id(Object *obj, const char *model_id,
|
|
Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
int c, len, i;
|
|
|
|
if (model_id == NULL) {
|
|
model_id = "";
|
|
}
|
|
len = strlen(model_id);
|
|
memset(env->cpuid_model, 0, 48);
|
|
for (i = 0; i < 48; i++) {
|
|
if (i >= len) {
|
|
c = '\0';
|
|
} else {
|
|
c = (uint8_t)model_id[i];
|
|
}
|
|
env->cpuid_model[i >> 2] |= c << (8 * (i & 3));
|
|
}
|
|
}
|
|
|
|
static void x86_cpuid_get_tsc_freq(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
int64_t value;
|
|
|
|
value = cpu->env.tsc_khz * 1000;
|
|
visit_type_int(v, &value, name, errp);
|
|
}
|
|
|
|
static void x86_cpuid_set_tsc_freq(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
const int64_t min = 0;
|
|
const int64_t max = INT64_MAX;
|
|
int64_t value;
|
|
|
|
visit_type_int(v, &value, name, errp);
|
|
if (error_is_set(errp)) {
|
|
return;
|
|
}
|
|
if (value < min || value > max) {
|
|
error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
|
|
name ? name : "null", value, min, max);
|
|
return;
|
|
}
|
|
|
|
cpu->env.tsc_khz = value / 1000;
|
|
}
|
|
|
|
static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, const char *name)
|
|
{
|
|
x86_def_t *def;
|
|
|
|
for (def = x86_defs; def; def = def->next) {
|
|
if (name && !strcmp(name, def->name)) {
|
|
break;
|
|
}
|
|
}
|
|
if (kvm_enabled() && name && strcmp(name, "host") == 0) {
|
|
kvm_cpu_fill_host(x86_cpu_def);
|
|
} else if (!def) {
|
|
return -1;
|
|
} else {
|
|
memcpy(x86_cpu_def, def, sizeof(*def));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Parse "+feature,-feature,feature=foo" CPU feature string
|
|
*/
|
|
static int cpu_x86_parse_featurestr(x86_def_t *x86_cpu_def, char *features)
|
|
{
|
|
unsigned int i;
|
|
char *featurestr; /* Single 'key=value" string being parsed */
|
|
/* Features to be added */
|
|
uint32_t plus_features = 0, plus_ext_features = 0;
|
|
uint32_t plus_ext2_features = 0, plus_ext3_features = 0;
|
|
uint32_t plus_kvm_features = kvm_default_features, plus_svm_features = 0;
|
|
uint32_t plus_7_0_ebx_features = 0;
|
|
/* Features to be removed */
|
|
uint32_t minus_features = 0, minus_ext_features = 0;
|
|
uint32_t minus_ext2_features = 0, minus_ext3_features = 0;
|
|
uint32_t minus_kvm_features = 0, minus_svm_features = 0;
|
|
uint32_t minus_7_0_ebx_features = 0;
|
|
uint32_t numvalue;
|
|
|
|
add_flagname_to_bitmaps("hypervisor", &plus_features,
|
|
&plus_ext_features, &plus_ext2_features, &plus_ext3_features,
|
|
&plus_kvm_features, &plus_svm_features, &plus_7_0_ebx_features);
|
|
|
|
featurestr = features ? strtok(features, ",") : NULL;
|
|
|
|
while (featurestr) {
|
|
char *val;
|
|
if (featurestr[0] == '+') {
|
|
add_flagname_to_bitmaps(featurestr + 1, &plus_features,
|
|
&plus_ext_features, &plus_ext2_features,
|
|
&plus_ext3_features, &plus_kvm_features,
|
|
&plus_svm_features, &plus_7_0_ebx_features);
|
|
} else if (featurestr[0] == '-') {
|
|
add_flagname_to_bitmaps(featurestr + 1, &minus_features,
|
|
&minus_ext_features, &minus_ext2_features,
|
|
&minus_ext3_features, &minus_kvm_features,
|
|
&minus_svm_features, &minus_7_0_ebx_features);
|
|
} else if ((val = strchr(featurestr, '='))) {
|
|
*val = 0; val++;
|
|
if (!strcmp(featurestr, "family")) {
|
|
char *err;
|
|
numvalue = strtoul(val, &err, 0);
|
|
if (!*val || *err || numvalue > 0xff + 0xf) {
|
|
fprintf(stderr, "bad numerical value %s\n", val);
|
|
goto error;
|
|
}
|
|
x86_cpu_def->family = numvalue;
|
|
} else if (!strcmp(featurestr, "model")) {
|
|
char *err;
|
|
numvalue = strtoul(val, &err, 0);
|
|
if (!*val || *err || numvalue > 0xff) {
|
|
fprintf(stderr, "bad numerical value %s\n", val);
|
|
goto error;
|
|
}
|
|
x86_cpu_def->model = numvalue;
|
|
} else if (!strcmp(featurestr, "stepping")) {
|
|
char *err;
|
|
numvalue = strtoul(val, &err, 0);
|
|
if (!*val || *err || numvalue > 0xf) {
|
|
fprintf(stderr, "bad numerical value %s\n", val);
|
|
goto error;
|
|
}
|
|
x86_cpu_def->stepping = numvalue ;
|
|
} else if (!strcmp(featurestr, "level")) {
|
|
char *err;
|
|
numvalue = strtoul(val, &err, 0);
|
|
if (!*val || *err) {
|
|
fprintf(stderr, "bad numerical value %s\n", val);
|
|
goto error;
|
|
}
|
|
x86_cpu_def->level = numvalue;
|
|
} else if (!strcmp(featurestr, "xlevel")) {
|
|
char *err;
|
|
numvalue = strtoul(val, &err, 0);
|
|
if (!*val || *err) {
|
|
fprintf(stderr, "bad numerical value %s\n", val);
|
|
goto error;
|
|
}
|
|
if (numvalue < 0x80000000) {
|
|
numvalue += 0x80000000;
|
|
}
|
|
x86_cpu_def->xlevel = numvalue;
|
|
} else if (!strcmp(featurestr, "vendor")) {
|
|
if (strlen(val) != 12) {
|
|
fprintf(stderr, "vendor string must be 12 chars long\n");
|
|
goto error;
|
|
}
|
|
x86_cpu_def->vendor1 = 0;
|
|
x86_cpu_def->vendor2 = 0;
|
|
x86_cpu_def->vendor3 = 0;
|
|
for(i = 0; i < 4; i++) {
|
|
x86_cpu_def->vendor1 |= ((uint8_t)val[i ]) << (8 * i);
|
|
x86_cpu_def->vendor2 |= ((uint8_t)val[i + 4]) << (8 * i);
|
|
x86_cpu_def->vendor3 |= ((uint8_t)val[i + 8]) << (8 * i);
|
|
}
|
|
x86_cpu_def->vendor_override = 1;
|
|
} else if (!strcmp(featurestr, "model_id")) {
|
|
pstrcpy(x86_cpu_def->model_id, sizeof(x86_cpu_def->model_id),
|
|
val);
|
|
} else if (!strcmp(featurestr, "tsc_freq")) {
|
|
int64_t tsc_freq;
|
|
char *err;
|
|
|
|
tsc_freq = strtosz_suffix_unit(val, &err,
|
|
STRTOSZ_DEFSUFFIX_B, 1000);
|
|
if (tsc_freq < 0 || *err) {
|
|
fprintf(stderr, "bad numerical value %s\n", val);
|
|
goto error;
|
|
}
|
|
x86_cpu_def->tsc_khz = tsc_freq / 1000;
|
|
} else if (!strcmp(featurestr, "hv_spinlocks")) {
|
|
char *err;
|
|
numvalue = strtoul(val, &err, 0);
|
|
if (!*val || *err) {
|
|
fprintf(stderr, "bad numerical value %s\n", val);
|
|
goto error;
|
|
}
|
|
hyperv_set_spinlock_retries(numvalue);
|
|
} else {
|
|
fprintf(stderr, "unrecognized feature %s\n", featurestr);
|
|
goto error;
|
|
}
|
|
} else if (!strcmp(featurestr, "check")) {
|
|
check_cpuid = 1;
|
|
} else if (!strcmp(featurestr, "enforce")) {
|
|
check_cpuid = enforce_cpuid = 1;
|
|
} else if (!strcmp(featurestr, "hv_relaxed")) {
|
|
hyperv_enable_relaxed_timing(true);
|
|
} else if (!strcmp(featurestr, "hv_vapic")) {
|
|
hyperv_enable_vapic_recommended(true);
|
|
} else {
|
|
fprintf(stderr, "feature string `%s' not in format (+feature|-feature|feature=xyz)\n", featurestr);
|
|
goto error;
|
|
}
|
|
featurestr = strtok(NULL, ",");
|
|
}
|
|
x86_cpu_def->features |= plus_features;
|
|
x86_cpu_def->ext_features |= plus_ext_features;
|
|
x86_cpu_def->ext2_features |= plus_ext2_features;
|
|
x86_cpu_def->ext3_features |= plus_ext3_features;
|
|
x86_cpu_def->kvm_features |= plus_kvm_features;
|
|
x86_cpu_def->svm_features |= plus_svm_features;
|
|
x86_cpu_def->cpuid_7_0_ebx_features |= plus_7_0_ebx_features;
|
|
x86_cpu_def->features &= ~minus_features;
|
|
x86_cpu_def->ext_features &= ~minus_ext_features;
|
|
x86_cpu_def->ext2_features &= ~minus_ext2_features;
|
|
x86_cpu_def->ext3_features &= ~minus_ext3_features;
|
|
x86_cpu_def->kvm_features &= ~minus_kvm_features;
|
|
x86_cpu_def->svm_features &= ~minus_svm_features;
|
|
x86_cpu_def->cpuid_7_0_ebx_features &= ~minus_7_0_ebx_features;
|
|
if (check_cpuid && kvm_enabled()) {
|
|
if (kvm_check_features_against_host(x86_cpu_def) && enforce_cpuid)
|
|
goto error;
|
|
}
|
|
return 0;
|
|
|
|
error:
|
|
return -1;
|
|
}
|
|
|
|
/* generate a composite string into buf of all cpuid names in featureset
|
|
* selected by fbits. indicate truncation at bufsize in the event of overflow.
|
|
* if flags, suppress names undefined in featureset.
|
|
*/
|
|
static void listflags(char *buf, int bufsize, uint32_t fbits,
|
|
const char **featureset, uint32_t flags)
|
|
{
|
|
const char **p = &featureset[31];
|
|
char *q, *b, bit;
|
|
int nc;
|
|
|
|
b = 4 <= bufsize ? buf + (bufsize -= 3) - 1 : NULL;
|
|
*buf = '\0';
|
|
for (q = buf, bit = 31; fbits && bufsize; --p, fbits &= ~(1 << bit), --bit)
|
|
if (fbits & 1 << bit && (*p || !flags)) {
|
|
if (*p)
|
|
nc = snprintf(q, bufsize, "%s%s", q == buf ? "" : " ", *p);
|
|
else
|
|
nc = snprintf(q, bufsize, "%s[%d]", q == buf ? "" : " ", bit);
|
|
if (bufsize <= nc) {
|
|
if (b) {
|
|
memcpy(b, "...", sizeof("..."));
|
|
}
|
|
return;
|
|
}
|
|
q += nc;
|
|
bufsize -= nc;
|
|
}
|
|
}
|
|
|
|
/* generate CPU information. */
|
|
void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf)
|
|
{
|
|
x86_def_t *def;
|
|
char buf[256];
|
|
|
|
for (def = x86_defs; def; def = def->next) {
|
|
snprintf(buf, sizeof(buf), "%s", def->name);
|
|
(*cpu_fprintf)(f, "x86 %16s %-48s\n", buf, def->model_id);
|
|
}
|
|
if (kvm_enabled()) {
|
|
(*cpu_fprintf)(f, "x86 %16s\n", "[host]");
|
|
}
|
|
(*cpu_fprintf)(f, "\nRecognized CPUID flags:\n");
|
|
listflags(buf, sizeof(buf), (uint32_t)~0, feature_name, 1);
|
|
(*cpu_fprintf)(f, " %s\n", buf);
|
|
listflags(buf, sizeof(buf), (uint32_t)~0, ext_feature_name, 1);
|
|
(*cpu_fprintf)(f, " %s\n", buf);
|
|
listflags(buf, sizeof(buf), (uint32_t)~0, ext2_feature_name, 1);
|
|
(*cpu_fprintf)(f, " %s\n", buf);
|
|
listflags(buf, sizeof(buf), (uint32_t)~0, ext3_feature_name, 1);
|
|
(*cpu_fprintf)(f, " %s\n", buf);
|
|
}
|
|
|
|
CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp)
|
|
{
|
|
CpuDefinitionInfoList *cpu_list = NULL;
|
|
x86_def_t *def;
|
|
|
|
for (def = x86_defs; def; def = def->next) {
|
|
CpuDefinitionInfoList *entry;
|
|
CpuDefinitionInfo *info;
|
|
|
|
info = g_malloc0(sizeof(*info));
|
|
info->name = g_strdup(def->name);
|
|
|
|
entry = g_malloc0(sizeof(*entry));
|
|
entry->value = info;
|
|
entry->next = cpu_list;
|
|
cpu_list = entry;
|
|
}
|
|
|
|
return cpu_list;
|
|
}
|
|
|
|
#ifdef CONFIG_KVM
|
|
static void filter_features_for_kvm(X86CPU *cpu)
|
|
{
|
|
CPUX86State *env = &cpu->env;
|
|
KVMState *s = kvm_state;
|
|
|
|
env->cpuid_features &=
|
|
kvm_arch_get_supported_cpuid(s, 1, 0, R_EDX);
|
|
env->cpuid_ext_features &=
|
|
kvm_arch_get_supported_cpuid(s, 1, 0, R_ECX);
|
|
env->cpuid_ext2_features &=
|
|
kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_EDX);
|
|
env->cpuid_ext3_features &=
|
|
kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_ECX);
|
|
env->cpuid_svm_features &=
|
|
kvm_arch_get_supported_cpuid(s, 0x8000000A, 0, R_EDX);
|
|
env->cpuid_7_0_ebx_features &=
|
|
kvm_arch_get_supported_cpuid(s, 7, 0, R_EBX);
|
|
env->cpuid_kvm_features &=
|
|
kvm_arch_get_supported_cpuid(s, KVM_CPUID_FEATURES, 0, R_EAX);
|
|
env->cpuid_ext4_features &=
|
|
kvm_arch_get_supported_cpuid(s, 0xC0000001, 0, R_EDX);
|
|
|
|
}
|
|
#endif
|
|
|
|
int cpu_x86_register(X86CPU *cpu, const char *cpu_model)
|
|
{
|
|
CPUX86State *env = &cpu->env;
|
|
x86_def_t def1, *def = &def1;
|
|
Error *error = NULL;
|
|
char *name, *features;
|
|
gchar **model_pieces;
|
|
|
|
memset(def, 0, sizeof(*def));
|
|
|
|
model_pieces = g_strsplit(cpu_model, ",", 2);
|
|
if (!model_pieces[0]) {
|
|
goto error;
|
|
}
|
|
name = model_pieces[0];
|
|
features = model_pieces[1];
|
|
|
|
if (cpu_x86_find_by_name(def, name) < 0) {
|
|
goto error;
|
|
}
|
|
|
|
if (cpu_x86_parse_featurestr(def, features) < 0) {
|
|
goto error;
|
|
}
|
|
if (def->vendor1) {
|
|
env->cpuid_vendor1 = def->vendor1;
|
|
env->cpuid_vendor2 = def->vendor2;
|
|
env->cpuid_vendor3 = def->vendor3;
|
|
} else {
|
|
env->cpuid_vendor1 = CPUID_VENDOR_INTEL_1;
|
|
env->cpuid_vendor2 = CPUID_VENDOR_INTEL_2;
|
|
env->cpuid_vendor3 = CPUID_VENDOR_INTEL_3;
|
|
}
|
|
env->cpuid_vendor_override = def->vendor_override;
|
|
object_property_set_int(OBJECT(cpu), def->level, "level", &error);
|
|
object_property_set_int(OBJECT(cpu), def->family, "family", &error);
|
|
object_property_set_int(OBJECT(cpu), def->model, "model", &error);
|
|
object_property_set_int(OBJECT(cpu), def->stepping, "stepping", &error);
|
|
env->cpuid_features = def->features;
|
|
env->cpuid_ext_features = def->ext_features;
|
|
env->cpuid_ext2_features = def->ext2_features;
|
|
env->cpuid_ext3_features = def->ext3_features;
|
|
object_property_set_int(OBJECT(cpu), def->xlevel, "xlevel", &error);
|
|
env->cpuid_kvm_features = def->kvm_features;
|
|
env->cpuid_svm_features = def->svm_features;
|
|
env->cpuid_ext4_features = def->ext4_features;
|
|
env->cpuid_7_0_ebx_features = def->cpuid_7_0_ebx_features;
|
|
env->cpuid_xlevel2 = def->xlevel2;
|
|
object_property_set_int(OBJECT(cpu), (int64_t)def->tsc_khz * 1000,
|
|
"tsc-frequency", &error);
|
|
|
|
/* On AMD CPUs, some CPUID[8000_0001].EDX bits must match the bits on
|
|
* CPUID[1].EDX.
|
|
*/
|
|
if (env->cpuid_vendor1 == CPUID_VENDOR_AMD_1 &&
|
|
env->cpuid_vendor2 == CPUID_VENDOR_AMD_2 &&
|
|
env->cpuid_vendor3 == CPUID_VENDOR_AMD_3) {
|
|
env->cpuid_ext2_features &= ~CPUID_EXT2_AMD_ALIASES;
|
|
env->cpuid_ext2_features |= (def->features & CPUID_EXT2_AMD_ALIASES);
|
|
}
|
|
|
|
if (!kvm_enabled()) {
|
|
env->cpuid_features &= TCG_FEATURES;
|
|
env->cpuid_ext_features &= TCG_EXT_FEATURES;
|
|
env->cpuid_ext2_features &= (TCG_EXT2_FEATURES
|
|
#ifdef TARGET_X86_64
|
|
| CPUID_EXT2_SYSCALL | CPUID_EXT2_LM
|
|
#endif
|
|
);
|
|
env->cpuid_ext3_features &= TCG_EXT3_FEATURES;
|
|
env->cpuid_svm_features &= TCG_SVM_FEATURES;
|
|
} else {
|
|
#ifdef CONFIG_KVM
|
|
filter_features_for_kvm(cpu);
|
|
#endif
|
|
}
|
|
object_property_set_str(OBJECT(cpu), def->model_id, "model-id", &error);
|
|
if (error) {
|
|
fprintf(stderr, "%s\n", error_get_pretty(error));
|
|
error_free(error);
|
|
goto error;
|
|
}
|
|
|
|
g_strfreev(model_pieces);
|
|
return 0;
|
|
error:
|
|
g_strfreev(model_pieces);
|
|
return -1;
|
|
}
|
|
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
|
|
void cpu_clear_apic_feature(CPUX86State *env)
|
|
{
|
|
env->cpuid_features &= ~CPUID_APIC;
|
|
}
|
|
|
|
#endif /* !CONFIG_USER_ONLY */
|
|
|
|
/* Initialize list of CPU models, filling some non-static fields if necessary
|
|
*/
|
|
void x86_cpudef_setup(void)
|
|
{
|
|
int i, j;
|
|
static const char *model_with_versions[] = { "qemu32", "qemu64", "athlon" };
|
|
|
|
for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); ++i) {
|
|
x86_def_t *def = &builtin_x86_defs[i];
|
|
def->next = x86_defs;
|
|
|
|
/* Look for specific "cpudef" models that */
|
|
/* have the QEMU version in .model_id */
|
|
for (j = 0; j < ARRAY_SIZE(model_with_versions); j++) {
|
|
if (strcmp(model_with_versions[j], def->name) == 0) {
|
|
pstrcpy(def->model_id, sizeof(def->model_id),
|
|
"QEMU Virtual CPU version ");
|
|
pstrcat(def->model_id, sizeof(def->model_id),
|
|
qemu_get_version());
|
|
break;
|
|
}
|
|
}
|
|
|
|
x86_defs = def;
|
|
}
|
|
}
|
|
|
|
static void get_cpuid_vendor(CPUX86State *env, uint32_t *ebx,
|
|
uint32_t *ecx, uint32_t *edx)
|
|
{
|
|
*ebx = env->cpuid_vendor1;
|
|
*edx = env->cpuid_vendor2;
|
|
*ecx = env->cpuid_vendor3;
|
|
|
|
/* sysenter isn't supported on compatibility mode on AMD, syscall
|
|
* isn't supported in compatibility mode on Intel.
|
|
* Normally we advertise the actual cpu vendor, but you can override
|
|
* this if you want to use KVM's sysenter/syscall emulation
|
|
* in compatibility mode and when doing cross vendor migration
|
|
*/
|
|
if (kvm_enabled() && ! env->cpuid_vendor_override) {
|
|
host_cpuid(0, 0, NULL, ebx, ecx, edx);
|
|
}
|
|
}
|
|
|
|
void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
|
|
uint32_t *eax, uint32_t *ebx,
|
|
uint32_t *ecx, uint32_t *edx)
|
|
{
|
|
/* test if maximum index reached */
|
|
if (index & 0x80000000) {
|
|
if (index > env->cpuid_xlevel) {
|
|
if (env->cpuid_xlevel2 > 0) {
|
|
/* Handle the Centaur's CPUID instruction. */
|
|
if (index > env->cpuid_xlevel2) {
|
|
index = env->cpuid_xlevel2;
|
|
} else if (index < 0xC0000000) {
|
|
index = env->cpuid_xlevel;
|
|
}
|
|
} else {
|
|
index = env->cpuid_xlevel;
|
|
}
|
|
}
|
|
} else {
|
|
if (index > env->cpuid_level)
|
|
index = env->cpuid_level;
|
|
}
|
|
|
|
switch(index) {
|
|
case 0:
|
|
*eax = env->cpuid_level;
|
|
get_cpuid_vendor(env, ebx, ecx, edx);
|
|
break;
|
|
case 1:
|
|
*eax = env->cpuid_version;
|
|
*ebx = (env->cpuid_apic_id << 24) | 8 << 8; /* CLFLUSH size in quad words, Linux wants it. */
|
|
*ecx = env->cpuid_ext_features;
|
|
*edx = env->cpuid_features;
|
|
if (env->nr_cores * env->nr_threads > 1) {
|
|
*ebx |= (env->nr_cores * env->nr_threads) << 16;
|
|
*edx |= 1 << 28; /* HTT bit */
|
|
}
|
|
break;
|
|
case 2:
|
|
/* cache info: needed for Pentium Pro compatibility */
|
|
*eax = 1;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0x2c307d;
|
|
break;
|
|
case 4:
|
|
/* cache info: needed for Core compatibility */
|
|
if (env->nr_cores > 1) {
|
|
*eax = (env->nr_cores - 1) << 26;
|
|
} else {
|
|
*eax = 0;
|
|
}
|
|
switch (count) {
|
|
case 0: /* L1 dcache info */
|
|
*eax |= 0x0000121;
|
|
*ebx = 0x1c0003f;
|
|
*ecx = 0x000003f;
|
|
*edx = 0x0000001;
|
|
break;
|
|
case 1: /* L1 icache info */
|
|
*eax |= 0x0000122;
|
|
*ebx = 0x1c0003f;
|
|
*ecx = 0x000003f;
|
|
*edx = 0x0000001;
|
|
break;
|
|
case 2: /* L2 cache info */
|
|
*eax |= 0x0000143;
|
|
if (env->nr_threads > 1) {
|
|
*eax |= (env->nr_threads - 1) << 14;
|
|
}
|
|
*ebx = 0x3c0003f;
|
|
*ecx = 0x0000fff;
|
|
*edx = 0x0000001;
|
|
break;
|
|
default: /* end of info */
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
break;
|
|
}
|
|
break;
|
|
case 5:
|
|
/* mwait info: needed for Core compatibility */
|
|
*eax = 0; /* Smallest monitor-line size in bytes */
|
|
*ebx = 0; /* Largest monitor-line size in bytes */
|
|
*ecx = CPUID_MWAIT_EMX | CPUID_MWAIT_IBE;
|
|
*edx = 0;
|
|
break;
|
|
case 6:
|
|
/* Thermal and Power Leaf */
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
break;
|
|
case 7:
|
|
/* Structured Extended Feature Flags Enumeration Leaf */
|
|
if (count == 0) {
|
|
*eax = 0; /* Maximum ECX value for sub-leaves */
|
|
*ebx = env->cpuid_7_0_ebx_features; /* Feature flags */
|
|
*ecx = 0; /* Reserved */
|
|
*edx = 0; /* Reserved */
|
|
} else {
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
}
|
|
break;
|
|
case 9:
|
|
/* Direct Cache Access Information Leaf */
|
|
*eax = 0; /* Bits 0-31 in DCA_CAP MSR */
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
break;
|
|
case 0xA:
|
|
/* Architectural Performance Monitoring Leaf */
|
|
if (kvm_enabled()) {
|
|
KVMState *s = env->kvm_state;
|
|
|
|
*eax = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EAX);
|
|
*ebx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EBX);
|
|
*ecx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_ECX);
|
|
*edx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EDX);
|
|
} else {
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
}
|
|
break;
|
|
case 0xD:
|
|
/* Processor Extended State */
|
|
if (!(env->cpuid_ext_features & CPUID_EXT_XSAVE)) {
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
break;
|
|
}
|
|
if (kvm_enabled()) {
|
|
KVMState *s = env->kvm_state;
|
|
|
|
*eax = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EAX);
|
|
*ebx = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EBX);
|
|
*ecx = kvm_arch_get_supported_cpuid(s, 0xd, count, R_ECX);
|
|
*edx = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EDX);
|
|
} else {
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
}
|
|
break;
|
|
case 0x80000000:
|
|
*eax = env->cpuid_xlevel;
|
|
*ebx = env->cpuid_vendor1;
|
|
*edx = env->cpuid_vendor2;
|
|
*ecx = env->cpuid_vendor3;
|
|
break;
|
|
case 0x80000001:
|
|
*eax = env->cpuid_version;
|
|
*ebx = 0;
|
|
*ecx = env->cpuid_ext3_features;
|
|
*edx = env->cpuid_ext2_features;
|
|
|
|
/* The Linux kernel checks for the CMPLegacy bit and
|
|
* discards multiple thread information if it is set.
|
|
* So dont set it here for Intel to make Linux guests happy.
|
|
*/
|
|
if (env->nr_cores * env->nr_threads > 1) {
|
|
uint32_t tebx, tecx, tedx;
|
|
get_cpuid_vendor(env, &tebx, &tecx, &tedx);
|
|
if (tebx != CPUID_VENDOR_INTEL_1 ||
|
|
tedx != CPUID_VENDOR_INTEL_2 ||
|
|
tecx != CPUID_VENDOR_INTEL_3) {
|
|
*ecx |= 1 << 1; /* CmpLegacy bit */
|
|
}
|
|
}
|
|
break;
|
|
case 0x80000002:
|
|
case 0x80000003:
|
|
case 0x80000004:
|
|
*eax = env->cpuid_model[(index - 0x80000002) * 4 + 0];
|
|
*ebx = env->cpuid_model[(index - 0x80000002) * 4 + 1];
|
|
*ecx = env->cpuid_model[(index - 0x80000002) * 4 + 2];
|
|
*edx = env->cpuid_model[(index - 0x80000002) * 4 + 3];
|
|
break;
|
|
case 0x80000005:
|
|
/* cache info (L1 cache) */
|
|
*eax = 0x01ff01ff;
|
|
*ebx = 0x01ff01ff;
|
|
*ecx = 0x40020140;
|
|
*edx = 0x40020140;
|
|
break;
|
|
case 0x80000006:
|
|
/* cache info (L2 cache) */
|
|
*eax = 0;
|
|
*ebx = 0x42004200;
|
|
*ecx = 0x02008140;
|
|
*edx = 0;
|
|
break;
|
|
case 0x80000008:
|
|
/* virtual & phys address size in low 2 bytes. */
|
|
/* XXX: This value must match the one used in the MMU code. */
|
|
if (env->cpuid_ext2_features & CPUID_EXT2_LM) {
|
|
/* 64 bit processor */
|
|
/* XXX: The physical address space is limited to 42 bits in exec.c. */
|
|
*eax = 0x00003028; /* 48 bits virtual, 40 bits physical */
|
|
} else {
|
|
if (env->cpuid_features & CPUID_PSE36)
|
|
*eax = 0x00000024; /* 36 bits physical */
|
|
else
|
|
*eax = 0x00000020; /* 32 bits physical */
|
|
}
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
if (env->nr_cores * env->nr_threads > 1) {
|
|
*ecx |= (env->nr_cores * env->nr_threads) - 1;
|
|
}
|
|
break;
|
|
case 0x8000000A:
|
|
if (env->cpuid_ext3_features & CPUID_EXT3_SVM) {
|
|
*eax = 0x00000001; /* SVM Revision */
|
|
*ebx = 0x00000010; /* nr of ASIDs */
|
|
*ecx = 0;
|
|
*edx = env->cpuid_svm_features; /* optional features */
|
|
} else {
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
}
|
|
break;
|
|
case 0xC0000000:
|
|
*eax = env->cpuid_xlevel2;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
break;
|
|
case 0xC0000001:
|
|
/* Support for VIA CPU's CPUID instruction */
|
|
*eax = env->cpuid_version;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = env->cpuid_ext4_features;
|
|
break;
|
|
case 0xC0000002:
|
|
case 0xC0000003:
|
|
case 0xC0000004:
|
|
/* Reserved for the future, and now filled with zero */
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
break;
|
|
default:
|
|
/* reserved values: zero */
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* CPUClass::reset() */
|
|
static void x86_cpu_reset(CPUState *s)
|
|
{
|
|
X86CPU *cpu = X86_CPU(s);
|
|
X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu);
|
|
CPUX86State *env = &cpu->env;
|
|
int i;
|
|
|
|
if (qemu_loglevel_mask(CPU_LOG_RESET)) {
|
|
qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
|
|
log_cpu_state(env, CPU_DUMP_FPU | CPU_DUMP_CCOP);
|
|
}
|
|
|
|
xcc->parent_reset(s);
|
|
|
|
|
|
memset(env, 0, offsetof(CPUX86State, breakpoints));
|
|
|
|
tlb_flush(env, 1);
|
|
|
|
env->old_exception = -1;
|
|
|
|
/* init to reset state */
|
|
|
|
#ifdef CONFIG_SOFTMMU
|
|
env->hflags |= HF_SOFTMMU_MASK;
|
|
#endif
|
|
env->hflags2 |= HF2_GIF_MASK;
|
|
|
|
cpu_x86_update_cr0(env, 0x60000010);
|
|
env->a20_mask = ~0x0;
|
|
env->smbase = 0x30000;
|
|
|
|
env->idt.limit = 0xffff;
|
|
env->gdt.limit = 0xffff;
|
|
env->ldt.limit = 0xffff;
|
|
env->ldt.flags = DESC_P_MASK | (2 << DESC_TYPE_SHIFT);
|
|
env->tr.limit = 0xffff;
|
|
env->tr.flags = DESC_P_MASK | (11 << DESC_TYPE_SHIFT);
|
|
|
|
cpu_x86_load_seg_cache(env, R_CS, 0xf000, 0xffff0000, 0xffff,
|
|
DESC_P_MASK | DESC_S_MASK | DESC_CS_MASK |
|
|
DESC_R_MASK | DESC_A_MASK);
|
|
cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffff,
|
|
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
|
|
DESC_A_MASK);
|
|
cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffff,
|
|
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
|
|
DESC_A_MASK);
|
|
cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffff,
|
|
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
|
|
DESC_A_MASK);
|
|
cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffff,
|
|
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
|
|
DESC_A_MASK);
|
|
cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffff,
|
|
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
|
|
DESC_A_MASK);
|
|
|
|
env->eip = 0xfff0;
|
|
env->regs[R_EDX] = env->cpuid_version;
|
|
|
|
env->eflags = 0x2;
|
|
|
|
/* FPU init */
|
|
for (i = 0; i < 8; i++) {
|
|
env->fptags[i] = 1;
|
|
}
|
|
env->fpuc = 0x37f;
|
|
|
|
env->mxcsr = 0x1f80;
|
|
|
|
env->pat = 0x0007040600070406ULL;
|
|
env->msr_ia32_misc_enable = MSR_IA32_MISC_ENABLE_DEFAULT;
|
|
|
|
memset(env->dr, 0, sizeof(env->dr));
|
|
env->dr[6] = DR6_FIXED_1;
|
|
env->dr[7] = DR7_FIXED_1;
|
|
cpu_breakpoint_remove_all(env, BP_CPU);
|
|
cpu_watchpoint_remove_all(env, BP_CPU);
|
|
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
/* We hard-wire the BSP to the first CPU. */
|
|
if (env->cpu_index == 0) {
|
|
apic_designate_bsp(env->apic_state);
|
|
}
|
|
|
|
env->halted = !cpu_is_bsp(cpu);
|
|
#endif
|
|
}
|
|
|
|
#ifndef CONFIG_USER_ONLY
|
|
bool cpu_is_bsp(X86CPU *cpu)
|
|
{
|
|
return cpu_get_apic_base(cpu->env.apic_state) & MSR_IA32_APICBASE_BSP;
|
|
}
|
|
|
|
/* TODO: remove me, when reset over QOM tree is implemented */
|
|
static void x86_cpu_machine_reset_cb(void *opaque)
|
|
{
|
|
X86CPU *cpu = opaque;
|
|
cpu_reset(CPU(cpu));
|
|
}
|
|
#endif
|
|
|
|
static void mce_init(X86CPU *cpu)
|
|
{
|
|
CPUX86State *cenv = &cpu->env;
|
|
unsigned int bank;
|
|
|
|
if (((cenv->cpuid_version >> 8) & 0xf) >= 6
|
|
&& (cenv->cpuid_features & (CPUID_MCE | CPUID_MCA)) ==
|
|
(CPUID_MCE | CPUID_MCA)) {
|
|
cenv->mcg_cap = MCE_CAP_DEF | MCE_BANKS_DEF;
|
|
cenv->mcg_ctl = ~(uint64_t)0;
|
|
for (bank = 0; bank < MCE_BANKS_DEF; bank++) {
|
|
cenv->mce_banks[bank * 4] = ~(uint64_t)0;
|
|
}
|
|
}
|
|
}
|
|
|
|
#define MSI_ADDR_BASE 0xfee00000
|
|
|
|
#ifndef CONFIG_USER_ONLY
|
|
static void x86_cpu_apic_init(X86CPU *cpu, Error **errp)
|
|
{
|
|
static int apic_mapped;
|
|
CPUX86State *env = &cpu->env;
|
|
APICCommonState *apic;
|
|
const char *apic_type = "apic";
|
|
|
|
if (kvm_irqchip_in_kernel()) {
|
|
apic_type = "kvm-apic";
|
|
} else if (xen_enabled()) {
|
|
apic_type = "xen-apic";
|
|
}
|
|
|
|
env->apic_state = qdev_try_create(NULL, apic_type);
|
|
if (env->apic_state == NULL) {
|
|
error_setg(errp, "APIC device '%s' could not be created", apic_type);
|
|
return;
|
|
}
|
|
|
|
object_property_add_child(OBJECT(cpu), "apic",
|
|
OBJECT(env->apic_state), NULL);
|
|
qdev_prop_set_uint8(env->apic_state, "id", env->cpuid_apic_id);
|
|
/* TODO: convert to link<> */
|
|
apic = APIC_COMMON(env->apic_state);
|
|
apic->cpu = cpu;
|
|
|
|
if (qdev_init(env->apic_state)) {
|
|
error_setg(errp, "APIC device '%s' could not be initialized",
|
|
object_get_typename(OBJECT(env->apic_state)));
|
|
return;
|
|
}
|
|
|
|
/* XXX: mapping more APICs at the same memory location */
|
|
if (apic_mapped == 0) {
|
|
/* NOTE: the APIC is directly connected to the CPU - it is not
|
|
on the global memory bus. */
|
|
/* XXX: what if the base changes? */
|
|
sysbus_mmio_map(sysbus_from_qdev(env->apic_state), 0, MSI_ADDR_BASE);
|
|
apic_mapped = 1;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void x86_cpu_realize(Object *obj, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
|
|
if (env->cpuid_7_0_ebx_features && env->cpuid_level < 7) {
|
|
env->cpuid_level = 7;
|
|
}
|
|
|
|
#ifndef CONFIG_USER_ONLY
|
|
qemu_register_reset(x86_cpu_machine_reset_cb, cpu);
|
|
|
|
if (cpu->env.cpuid_features & CPUID_APIC || smp_cpus > 1) {
|
|
x86_cpu_apic_init(cpu, errp);
|
|
if (error_is_set(errp)) {
|
|
return;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
mce_init(cpu);
|
|
qemu_init_vcpu(&cpu->env);
|
|
cpu_reset(CPU(cpu));
|
|
}
|
|
|
|
static void x86_cpu_initfn(Object *obj)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
static int inited;
|
|
|
|
cpu_exec_init(env);
|
|
|
|
object_property_add(obj, "family", "int",
|
|
x86_cpuid_version_get_family,
|
|
x86_cpuid_version_set_family, NULL, NULL, NULL);
|
|
object_property_add(obj, "model", "int",
|
|
x86_cpuid_version_get_model,
|
|
x86_cpuid_version_set_model, NULL, NULL, NULL);
|
|
object_property_add(obj, "stepping", "int",
|
|
x86_cpuid_version_get_stepping,
|
|
x86_cpuid_version_set_stepping, NULL, NULL, NULL);
|
|
object_property_add(obj, "level", "int",
|
|
x86_cpuid_get_level,
|
|
x86_cpuid_set_level, NULL, NULL, NULL);
|
|
object_property_add(obj, "xlevel", "int",
|
|
x86_cpuid_get_xlevel,
|
|
x86_cpuid_set_xlevel, NULL, NULL, NULL);
|
|
object_property_add_str(obj, "vendor",
|
|
x86_cpuid_get_vendor,
|
|
x86_cpuid_set_vendor, NULL);
|
|
object_property_add_str(obj, "model-id",
|
|
x86_cpuid_get_model_id,
|
|
x86_cpuid_set_model_id, NULL);
|
|
object_property_add(obj, "tsc-frequency", "int",
|
|
x86_cpuid_get_tsc_freq,
|
|
x86_cpuid_set_tsc_freq, NULL, NULL, NULL);
|
|
|
|
env->cpuid_apic_id = env->cpu_index;
|
|
|
|
/* init various static tables used in TCG mode */
|
|
if (tcg_enabled() && !inited) {
|
|
inited = 1;
|
|
optimize_flags_init();
|
|
#ifndef CONFIG_USER_ONLY
|
|
cpu_set_debug_excp_handler(breakpoint_handler);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
|
|
{
|
|
X86CPUClass *xcc = X86_CPU_CLASS(oc);
|
|
CPUClass *cc = CPU_CLASS(oc);
|
|
|
|
xcc->parent_reset = cc->reset;
|
|
cc->reset = x86_cpu_reset;
|
|
}
|
|
|
|
static const TypeInfo x86_cpu_type_info = {
|
|
.name = TYPE_X86_CPU,
|
|
.parent = TYPE_CPU,
|
|
.instance_size = sizeof(X86CPU),
|
|
.instance_init = x86_cpu_initfn,
|
|
.abstract = false,
|
|
.class_size = sizeof(X86CPUClass),
|
|
.class_init = x86_cpu_common_class_init,
|
|
};
|
|
|
|
static void x86_cpu_register_types(void)
|
|
{
|
|
type_register_static(&x86_cpu_type_info);
|
|
}
|
|
|
|
type_init(x86_cpu_register_types)
|