| /* |
| * 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 <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <inttypes.h> |
| |
| #include "cpu.h" |
| #include "sysemu/kvm.h" |
| #include "sysemu/cpus.h" |
| #include "topology.h" |
| |
| #include "qemu/option.h" |
| #include "qemu/config-file.h" |
| #include "qapi/qmp/qerror.h" |
| |
| #include "qapi/visitor.h" |
| #include "sysemu/arch_init.h" |
| |
| #include "hyperv.h" |
| |
| #include "hw/hw.h" |
| #if defined(CONFIG_KVM) |
| #include <linux/kvm_para.h> |
| #endif |
| |
| #include "sysemu/sysemu.h" |
| #ifndef CONFIG_USER_ONLY |
| #include "hw/xen.h" |
| #include "hw/sysbus.h" |
| #include "hw/apic_internal.h" |
| #endif |
| |
| 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'; |
| } |
| |
| /* feature flags 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. |
| */ |
| static const char *feature_name[] = { |
| "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", |
| }; |
| static const char *ext_feature_name[] = { |
| "pni|sse3" /* Intel,AMD sse3 */, "pclmulqdq|pclmuldq", "dtes64", "monitor", |
| "ds_cpl", "vmx", "smx", "est", |
| "tm2", "ssse3", "cid", NULL, |
| "fma", "cx16", "xtpr", "pdcm", |
| NULL, "pcid", "dca", "sse4.1|sse4_1", |
| "sse4.2|sse4_2", "x2apic", "movbe", "popcnt", |
| "tsc-deadline", "aes", "xsave", "osxsave", |
| "avx", "f16c", "rdrand", "hypervisor", |
| }; |
| /* 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 |
| * ext2_feature_name[]. They are copied automatically to cpuid_ext2_features |
| * if and only if CPU vendor is AMD. |
| */ |
| static const char *ext2_feature_name[] = { |
| NULL /* fpu */, NULL /* vme */, NULL /* de */, NULL /* pse */, |
| NULL /* tsc */, NULL /* msr */, NULL /* pae */, NULL /* mce */, |
| NULL /* cx8 */ /* AMD CMPXCHG8B */, NULL /* apic */, NULL, "syscall", |
| NULL /* mtrr */, NULL /* pge */, NULL /* mca */, NULL /* cmov */, |
| NULL /* pat */, NULL /* pse36 */, NULL, NULL /* Linux mp */, |
| "nx|xd", NULL, "mmxext", NULL /* mmx */, |
| NULL /* fxsr */, "fxsr_opt|ffxsr", "pdpe1gb" /* AMD Page1GB */, "rdtscp", |
| NULL, "lm|i64", "3dnowext", "3dnow", |
| }; |
| static const char *ext3_feature_name[] = { |
| "lahf_lm" /* AMD LahfSahf */, "cmp_legacy", "svm", "extapic" /* AMD ExtApicSpace */, |
| "cr8legacy" /* AMD AltMovCr8 */, "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, |
| }; |
| |
| static const char *ext4_feature_name[] = { |
| 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, |
| }; |
| |
| static const char *kvm_feature_name[] = { |
| "kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock", |
| "kvm_asyncpf", "kvm_steal_time", "kvm_pv_eoi", 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, |
| }; |
| |
| static const char *svm_feature_name[] = { |
| "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, |
| }; |
| |
| static const char *cpuid_7_0_ebx_feature_name[] = { |
| "fsgsbase", NULL, NULL, "bmi1", "hle", "avx2", NULL, "smep", |
| "bmi2", "erms", "invpcid", "rtm", NULL, NULL, NULL, NULL, |
| NULL, NULL, "rdseed", "adx", "smap", NULL, NULL, NULL, |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
| }; |
| |
| typedef struct FeatureWordInfo { |
| const char **feat_names; |
| uint32_t cpuid_eax; /* Input EAX for CPUID */ |
| int cpuid_reg; /* R_* register constant */ |
| } FeatureWordInfo; |
| |
| static FeatureWordInfo feature_word_info[FEATURE_WORDS] = { |
| [FEAT_1_EDX] = { |
| .feat_names = feature_name, |
| .cpuid_eax = 1, .cpuid_reg = R_EDX, |
| }, |
| [FEAT_1_ECX] = { |
| .feat_names = ext_feature_name, |
| .cpuid_eax = 1, .cpuid_reg = R_ECX, |
| }, |
| [FEAT_8000_0001_EDX] = { |
| .feat_names = ext2_feature_name, |
| .cpuid_eax = 0x80000001, .cpuid_reg = R_EDX, |
| }, |
| [FEAT_8000_0001_ECX] = { |
| .feat_names = ext3_feature_name, |
| .cpuid_eax = 0x80000001, .cpuid_reg = R_ECX, |
| }, |
| [FEAT_C000_0001_EDX] = { |
| .feat_names = ext4_feature_name, |
| .cpuid_eax = 0xC0000001, .cpuid_reg = R_EDX, |
| }, |
| [FEAT_KVM] = { |
| .feat_names = kvm_feature_name, |
| .cpuid_eax = KVM_CPUID_FEATURES, .cpuid_reg = R_EAX, |
| }, |
| [FEAT_SVM] = { |
| .feat_names = svm_feature_name, |
| .cpuid_eax = 0x8000000A, .cpuid_reg = R_EDX, |
| }, |
| [FEAT_7_0_EBX] = { |
| .feat_names = cpuid_7_0_ebx_feature_name, |
| .cpuid_eax = 7, .cpuid_reg = R_EBX, |
| }, |
| }; |
| |
| const char *get_register_name_32(unsigned int reg) |
| { |
| static const char *reg_names[CPU_NB_REGS32] = { |
| [R_EAX] = "EAX", |
| [R_ECX] = "ECX", |
| [R_EDX] = "EDX", |
| [R_EBX] = "EBX", |
| [R_ESP] = "ESP", |
| [R_EBP] = "EBP", |
| [R_ESI] = "ESI", |
| [R_EDI] = "EDI", |
| }; |
| |
| if (reg > CPU_NB_REGS32) { |
| return NULL; |
| } |
| return reg_names[reg]; |
| } |
| |
| /* collects per-function cpuid data |
| */ |
| typedef struct model_features_t { |
| uint32_t *guest_feat; |
| uint32_t *host_feat; |
| FeatureWord feat_word; |
| } model_features_t; |
| |
| int check_cpuid = 0; |
| int enforce_cpuid = 0; |
| |
| static uint32_t kvm_default_features = (1 << KVM_FEATURE_CLOCKSOURCE) | |
| (1 << KVM_FEATURE_NOP_IO_DELAY) | |
| (1 << KVM_FEATURE_CLOCKSOURCE2) | |
| (1 << KVM_FEATURE_ASYNC_PF) | |
| (1 << KVM_FEATURE_STEAL_TIME) | |
| (1 << KVM_FEATURE_PV_EOI) | |
| (1 << KVM_FEATURE_CLOCKSOURCE_STABLE_BIT); |
| |
| void disable_kvm_pv_eoi(void) |
| { |
| kvm_default_features &= ~(1UL << KVM_FEATURE_PV_EOI); |
| } |
| |
| void host_cpuid(uint32_t function, uint32_t count, |
| uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx) |
| { |
| #if defined(CONFIG_KVM) |
| 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"); |
| #else |
| 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"); |
| #endif |
| |
| if (eax) |
| *eax = vec[0]; |
| if (ebx) |
| *ebx = vec[1]; |
| if (ecx) |
| *ecx = vec[2]; |
| if (edx) |
| *edx = vec[3]; |
| #endif |
| } |
| |
| #define iswhite(c) ((c) && ((c) <= ' ' || '~' < (c))) |
| |
| /* general substring compare of *[s1..e1) and *[s2..e2). sx is start of |
| * a substring. ex if !NULL points to the first char after a substring, |
| * otherwise the string is assumed to sized by a terminating nul. |
| * Return lexical ordering of *s1:*s2. |
| */ |
| static int sstrcmp(const char *s1, const char *e1, const char *s2, |
| const char *e2) |
| { |
| for (;;) { |
| if (!*s1 || !*s2 || *s1 != *s2) |
| return (*s1 - *s2); |
| ++s1, ++s2; |
| if (s1 == e1 && s2 == e2) |
| return (0); |
| else if (s1 == e1) |
| return (*s2); |
| else if (s2 == e2) |
| return (*s1); |
| } |
| } |
| |
| /* compare *[s..e) to *altstr. *altstr may be a simple string or multiple |
| * '|' delimited (possibly empty) strings in which case search for a match |
| * within the alternatives proceeds left to right. Return 0 for success, |
| * non-zero otherwise. |
| */ |
| static int altcmp(const char *s, const char *e, const char *altstr) |
| { |
| const char *p, *q; |
| |
| for (q = p = altstr; ; ) { |
| while (*p && *p != '|') |
| ++p; |
| if ((q == p && !*s) || (q != p && !sstrcmp(s, e, q, p))) |
| return (0); |
| if (!*p) |
| return (1); |
| else |
| q = ++p; |
| } |
| } |
| |
| /* search featureset for flag *[s..e), if found set corresponding bit in |
| * *pval and return true, otherwise return false |
| */ |
| static bool lookup_feature(uint32_t *pval, const char *s, const char *e, |
| const char **featureset) |
| { |
| uint32_t mask; |
| const char **ppc; |
| bool found = false; |
| |
| for (mask = 1, ppc = featureset; mask; mask <<= 1, ++ppc) { |
| if (*ppc && !altcmp(s, e, *ppc)) { |
| *pval |= mask; |
| found = true; |
| } |
| } |
| return found; |
| } |
| |
| static void add_flagname_to_bitmaps(const char *flagname, |
| FeatureWordArray words) |
| { |
| FeatureWord w; |
| for (w = 0; w < FEATURE_WORDS; w++) { |
| FeatureWordInfo *wi = &feature_word_info[w]; |
| if (wi->feat_names && |
| lookup_feature(&words[w], flagname, NULL, wi->feat_names)) { |
| break; |
| } |
| } |
| if (w == FEATURE_WORDS) { |
| fprintf(stderr, "CPU feature %s not found\n", flagname); |
| } |
| } |
| |
| typedef struct x86_def_t { |
| const char *name; |
| uint32_t level; |
| /* vendor is zero-terminated, 12 character ASCII string */ |
| char vendor[CPUID_VENDOR_SZ + 1]; |
| int family; |
| int model; |
| int stepping; |
| uint32_t features, ext_features, ext2_features, ext3_features; |
| uint32_t kvm_features, svm_features; |
| uint32_t xlevel; |
| char model_id[48]; |
| /* Store the results of Centaur's CPUID instructions */ |
| uint32_t ext4_features; |
| uint32_t xlevel2; |
| /* The feature bits on CPUID[EAX=7,ECX=0].EBX */ |
| uint32_t cpuid_7_0_ebx_features; |
| } x86_def_t; |
| |
| #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) |
| /* partly implemented: |
| CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64) |
| CPUID_PSE36 (needed for Solaris) */ |
| /* missing: |
| CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */ |
| #define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | \ |
| CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | CPUID_EXT_POPCNT | \ |
| CPUID_EXT_HYPERVISOR) |
| /* missing: |
| CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_EST, |
| CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_XSAVE */ |
| #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) |
| /* missing: |
| CPUID_EXT2_PDPE1GB */ |
| #define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \ |
| CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A) |
| #define TCG_SVM_FEATURES 0 |
| #define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP) |
| |
| /* built-in CPU model definitions |
| */ |
| static x86_def_t builtin_x86_defs[] = { |
| { |
| .name = "qemu64", |
| .level = 4, |
| .vendor = CPUID_VENDOR_AMD, |
| .family = 6, |
| .model = 2, |
| .stepping = 3, |
| .features = PPRO_FEATURES | |
| CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | |
| CPUID_PSE36, |
| .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_CX16 | CPUID_EXT_POPCNT, |
| .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) | |
| CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, |
| .ext3_features = CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | |
| CPUID_EXT3_ABM | CPUID_EXT3_SSE4A, |
| .xlevel = 0x8000000A, |
| }, |
| { |
| .name = "phenom", |
| .level = 5, |
| .vendor = CPUID_VENDOR_AMD, |
| .family = 16, |
| .model = 2, |
| .stepping = 3, |
| .features = PPRO_FEATURES | |
| CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | |
| CPUID_PSE36 | CPUID_VME | CPUID_HT, |
| .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 | |
| CPUID_EXT_POPCNT, |
| .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) | |
| 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 */ |
| .ext3_features = CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | |
| CPUID_EXT3_ABM | CPUID_EXT3_SSE4A, |
| .svm_features = CPUID_SVM_NPT | CPUID_SVM_LBRV, |
| .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, |
| .features = PPRO_FEATURES | |
| CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | |
| CPUID_PSE36 | CPUID_VME | CPUID_DTS | CPUID_ACPI | CPUID_SS | |
| CPUID_HT | CPUID_TM | CPUID_PBE, |
| .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | |
| CPUID_EXT_DTES64 | CPUID_EXT_DSCPL | CPUID_EXT_VMX | CPUID_EXT_EST | |
| CPUID_EXT_TM2 | CPUID_EXT_CX16 | CPUID_EXT_XTPR | CPUID_EXT_PDCM, |
| .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, |
| .ext3_features = CPUID_EXT3_LAHF_LM, |
| .xlevel = 0x80000008, |
| .model_id = "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz", |
| }, |
| { |
| .name = "kvm64", |
| .level = 5, |
| .vendor = CPUID_VENDOR_INTEL, |
| .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, |
| .vendor = CPUID_VENDOR_INTEL, |
| .family = 6, |
| .model = 3, |
| .stepping = 3, |
| .features = PPRO_FEATURES, |
| .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_POPCNT, |
| .xlevel = 0x80000004, |
| }, |
| { |
| .name = "kvm32", |
| .level = 5, |
| .vendor = CPUID_VENDOR_INTEL, |
| .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, |
| .vendor = CPUID_VENDOR_INTEL, |
| .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, |
| .vendor = CPUID_VENDOR_INTEL, |
| .family = 4, |
| .model = 0, |
| .stepping = 0, |
| .features = I486_FEATURES, |
| .xlevel = 0, |
| }, |
| { |
| .name = "pentium", |
| .level = 1, |
| .vendor = CPUID_VENDOR_INTEL, |
| .family = 5, |
| .model = 4, |
| .stepping = 3, |
| .features = PENTIUM_FEATURES, |
| .xlevel = 0, |
| }, |
| { |
| .name = "pentium2", |
| .level = 2, |
| .vendor = CPUID_VENDOR_INTEL, |
| .family = 6, |
| .model = 5, |
| .stepping = 2, |
| .features = PENTIUM2_FEATURES, |
| .xlevel = 0, |
| }, |
| { |
| .name = "pentium3", |
| .level = 2, |
| .vendor = CPUID_VENDOR_INTEL, |
| .family = 6, |
| .model = 7, |
| .stepping = 3, |
| .features = PENTIUM3_FEATURES, |
| .xlevel = 0, |
| }, |
| { |
| .name = "athlon", |
| .level = 2, |
| .vendor = CPUID_VENDOR_AMD, |
| .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, |
| .vendor = CPUID_VENDOR_INTEL, |
| .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, |
| .vendor = CPUID_VENDOR_INTEL, |
| .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, |
| .vendor = CPUID_VENDOR_INTEL, |
| .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, |
| .vendor = CPUID_VENDOR_INTEL, |
| .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, |
| .vendor = CPUID_VENDOR_INTEL, |
| .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, |
| .vendor = CPUID_VENDOR_INTEL, |
| .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, |
| .vendor = CPUID_VENDOR_INTEL, |
| .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, |
| .vendor = CPUID_VENDOR_AMD, |
| .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, |
| .vendor = CPUID_VENDOR_AMD, |
| .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, |
| .vendor = CPUID_VENDOR_AMD, |
| .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, |
| .vendor = CPUID_VENDOR_AMD, |
| .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, |
| .vendor = CPUID_VENDOR_AMD, |
| .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_vendor_words2str(x86_cpu_def->vendor, ebx, edx, 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); |
| |
| /* Call Centaur's CPUID instruction. */ |
| if (!strcmp(x86_cpu_def->vendor, CPUID_VENDOR_VIA)) { |
| 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); |
| } |
| } |
| |
| /* Other KVM-specific feature fields: */ |
| x86_cpu_def->svm_features = |
| kvm_arch_get_supported_cpuid(s, 0x8000000A, 0, R_EDX); |
| x86_cpu_def->kvm_features = |
| kvm_arch_get_supported_cpuid(s, KVM_CPUID_FEATURES, 0, R_EAX); |
| |
| #endif /* CONFIG_KVM */ |
| } |
| |
| static int unavailable_host_feature(FeatureWordInfo *f, uint32_t mask) |
| { |
| int i; |
| |
| for (i = 0; i < 32; ++i) |
| if (1 << i & mask) { |
| const char *reg = get_register_name_32(f->cpuid_reg); |
| assert(reg); |
| fprintf(stderr, "warning: host doesn't support requested feature: " |
| "CPUID.%02XH:%s%s%s [bit %d]\n", |
| f->cpuid_eax, reg, |
| f->feat_names[i] ? "." : "", |
| f->feat_names[i] ? f->feat_names[i] : "", i); |
| break; |
| } |
| return 0; |
| } |
| |
| /* Check if all requested cpu flags are making their way to the guest |
| * |
| * Returns 0 if all flags are supported by the host, non-zero otherwise. |
| * |
| * This function may be called only if KVM is enabled. |
| */ |
| static int kvm_check_features_against_host(X86CPU *cpu) |
| { |
| CPUX86State *env = &cpu->env; |
| x86_def_t host_def; |
| uint32_t mask; |
| int rv, i; |
| struct model_features_t ft[] = { |
| {&env->cpuid_features, &host_def.features, |
| FEAT_1_EDX }, |
| {&env->cpuid_ext_features, &host_def.ext_features, |
| FEAT_1_ECX }, |
| {&env->cpuid_ext2_features, &host_def.ext2_features, |
| FEAT_8000_0001_EDX }, |
| {&env->cpuid_ext3_features, &host_def.ext3_features, |
| FEAT_8000_0001_ECX }, |
| {&env->cpuid_ext4_features, &host_def.ext4_features, |
| FEAT_C000_0001_EDX }, |
| {&env->cpuid_7_0_ebx_features, &host_def.cpuid_7_0_ebx_features, |
| FEAT_7_0_EBX }, |
| {&env->cpuid_svm_features, &host_def.svm_features, |
| FEAT_SVM }, |
| {&env->cpuid_kvm_features, &host_def.kvm_features, |
| FEAT_KVM }, |
| }; |
| |
| assert(kvm_enabled()); |
| |
| kvm_cpu_fill_host(&host_def); |
| for (rv = 0, i = 0; i < ARRAY_SIZE(ft); ++i) { |
| FeatureWord w = ft[i].feat_word; |
| FeatureWordInfo *wi = &feature_word_info[w]; |
| for (mask = 1; mask; mask <<= 1) { |
| if (*ft[i].guest_feat & mask && |
| !(*ft[i].host_feat & mask)) { |
| unavailable_host_feature(wi, 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; |
| |
| value = (char *)g_malloc(CPUID_VENDOR_SZ + 1); |
| x86_cpu_vendor_words2str(value, env->cpuid_vendor1, env->cpuid_vendor2, |
| env->cpuid_vendor3); |
| 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); |
| } |
| } |
| |
| 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; |
| int i; |
| |
| if (name == NULL) { |
| return -1; |
| } |
| if (kvm_enabled() && strcmp(name, "host") == 0) { |
| kvm_cpu_fill_host(x86_cpu_def); |
| return 0; |
| } |
| |
| for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) { |
| def = &builtin_x86_defs[i]; |
| if (strcmp(name, def->name) == 0) { |
| memcpy(x86_cpu_def, def, sizeof(*def)); |
| /* sysenter isn't supported in 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 using the 'vendor' property if you want to use |
| * KVM's sysenter/syscall emulation in compatibility mode and |
| * when doing cross vendor migration |
| */ |
| if (kvm_enabled()) { |
| uint32_t ebx = 0, ecx = 0, edx = 0; |
| host_cpuid(0, 0, NULL, &ebx, &ecx, &edx); |
| x86_cpu_vendor_words2str(x86_cpu_def->vendor, ebx, edx, ecx); |
| } |
| return 0; |
| } |
| } |
| |
| return -1; |
| } |
| |
| /* Parse "+feature,-feature,feature=foo" CPU feature string |
| */ |
| static void cpu_x86_parse_featurestr(X86CPU *cpu, char *features, Error **errp) |
| { |
| char *featurestr; /* Single 'key=value" string being parsed */ |
| /* Features to be added */ |
| FeatureWordArray plus_features = { 0 }; |
| /* Features to be removed */ |
| FeatureWordArray minus_features = { 0 }; |
| uint32_t numvalue; |
| CPUX86State *env = &cpu->env; |
| |
| featurestr = features ? strtok(features, ",") : NULL; |
| |
| while (featurestr) { |
| char *val; |
| if (featurestr[0] == '+') { |
| add_flagname_to_bitmaps(featurestr + 1, plus_features); |
| } else if (featurestr[0] == '-') { |
| add_flagname_to_bitmaps(featurestr + 1, minus_features); |
| } else if ((val = strchr(featurestr, '='))) { |
| *val = 0; val++; |
| if (!strcmp(featurestr, "family")) { |
| object_property_parse(OBJECT(cpu), val, featurestr, errp); |
| } else if (!strcmp(featurestr, "model")) { |
| object_property_parse(OBJECT(cpu), val, featurestr, errp); |
| } else if (!strcmp(featurestr, "stepping")) { |
| object_property_parse(OBJECT(cpu), val, featurestr, errp); |
| } else if (!strcmp(featurestr, "level")) { |
| object_property_parse(OBJECT(cpu), val, featurestr, errp); |
| } else if (!strcmp(featurestr, "xlevel")) { |
| char *err; |
| char num[32]; |
| |
| numvalue = strtoul(val, &err, 0); |
| if (!*val || *err) { |
| error_setg(errp, "bad numerical value %s\n", val); |
| goto out; |
| } |
| if (numvalue < 0x80000000) { |
| fprintf(stderr, "xlevel value shall always be >= 0x80000000" |
| ", fixup will be removed in future versions\n"); |
| numvalue += 0x80000000; |
| } |
| snprintf(num, sizeof(num), "%" PRIu32, numvalue); |
| object_property_parse(OBJECT(cpu), num, featurestr, errp); |
| } else if (!strcmp(featurestr, "vendor")) { |
| object_property_parse(OBJECT(cpu), val, featurestr, errp); |
| } else if (!strcmp(featurestr, "model_id")) { |
| object_property_parse(OBJECT(cpu), val, "model-id", errp); |
| } else if (!strcmp(featurestr, "tsc_freq")) { |
| int64_t tsc_freq; |
| char *err; |
| char num[32]; |
| |
| tsc_freq = strtosz_suffix_unit(val, &err, |
| STRTOSZ_DEFSUFFIX_B, 1000); |
| if (tsc_freq < 0 || *err) { |
| error_setg(errp, "bad numerical value %s\n", val); |
| goto out; |
| } |
| snprintf(num, sizeof(num), "%" PRId64, tsc_freq); |
| object_property_parse(OBJECT(cpu), num, "tsc-frequency", errp); |
| } else if (!strcmp(featurestr, "hv_spinlocks")) { |
| char *err; |
| numvalue = strtoul(val, &err, 0); |
| if (!*val || *err) { |
| error_setg(errp, "bad numerical value %s\n", val); |
| goto out; |
| } |
| hyperv_set_spinlock_retries(numvalue); |
| } else { |
| error_setg(errp, "unrecognized feature %s\n", featurestr); |
| goto out; |
| } |
| } 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 { |
| error_setg(errp, "feature string `%s' not in format (+feature|" |
| "-feature|feature=xyz)\n", featurestr); |
| goto out; |
| } |
| if (error_is_set(errp)) { |
| goto out; |
| } |
| featurestr = strtok(NULL, ","); |
| } |
| env->cpuid_features |= plus_features[FEAT_1_EDX]; |
| env->cpuid_ext_features |= plus_features[FEAT_1_ECX]; |
| env->cpuid_ext2_features |= plus_features[FEAT_8000_0001_EDX]; |
| env->cpuid_ext3_features |= plus_features[FEAT_8000_0001_ECX]; |
| env->cpuid_ext4_features |= plus_features[FEAT_C000_0001_EDX]; |
| env->cpuid_kvm_features |= plus_features[FEAT_KVM]; |
| env->cpuid_svm_features |= plus_features[FEAT_SVM]; |
| env->cpuid_7_0_ebx_features |= plus_features[FEAT_7_0_EBX]; |
| env->cpuid_features &= ~minus_features[FEAT_1_EDX]; |
| env->cpuid_ext_features &= ~minus_features[FEAT_1_ECX]; |
| env->cpuid_ext2_features &= ~minus_features[FEAT_8000_0001_EDX]; |
| env->cpuid_ext3_features &= ~minus_features[FEAT_8000_0001_ECX]; |
| env->cpuid_ext4_features &= ~minus_features[FEAT_C000_0001_EDX]; |
| env->cpuid_kvm_features &= ~minus_features[FEAT_KVM]; |
| env->cpuid_svm_features &= ~minus_features[FEAT_SVM]; |
| env->cpuid_7_0_ebx_features &= ~minus_features[FEAT_7_0_EBX]; |
| |
| out: |
| return; |
| } |
| |
| /* 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]; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) { |
| def = &builtin_x86_defs[i]; |
| 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; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) { |
| CpuDefinitionInfoList *entry; |
| CpuDefinitionInfo *info; |
| |
| def = &builtin_x86_defs[i]; |
| 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]) { |
| error_setg(&error, "Invalid/empty CPU model name"); |
| goto out; |
| } |
| name = model_pieces[0]; |
| features = model_pieces[1]; |
| |
| if (cpu_x86_find_by_name(def, name) < 0) { |
| error_setg(&error, "Unable to find CPU definition: %s", name); |
| goto out; |
| } |
| |
| if (kvm_enabled()) { |
| def->kvm_features |= kvm_default_features; |
| } |
| def->ext_features |= CPUID_EXT_HYPERVISOR; |
| |
| object_property_set_str(OBJECT(cpu), def->vendor, "vendor", &error); |
| 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_str(OBJECT(cpu), def->model_id, "model-id", &error); |
| if (error) { |
| goto out; |
| } |
| |
| cpu_x86_parse_featurestr(cpu, features, &error); |
| out: |
| g_strfreev(model_pieces); |
| if (error) { |
| fprintf(stderr, "%s\n", error_get_pretty(error)); |
| error_free(error); |
| return -1; |
| } |
| return 0; |
| } |
| |
| #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]; |
| |
| /* 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; |
| } |
| } |
| } |
| } |
| |
| 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; |
| } |
| |
| void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, |
| uint32_t *eax, uint32_t *ebx, |
| uint32_t *ecx, uint32_t *edx) |
| { |
| X86CPU *cpu = x86_env_get_cpu(env); |
| CPUState *cs = CPU(cpu); |
| |
| /* 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 { |
| /* Intel documentation states that invalid EAX input will |
| * return the same information as EAX=cpuid_level |
| * (Intel SDM Vol. 2A - Instruction Set Reference - CPUID) |
| */ |
| index = env->cpuid_level; |
| } |
| } |
| } 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 (cs->nr_cores * cs->nr_threads > 1) { |
| *ebx |= (cs->nr_cores * cs->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 (cs->nr_cores > 1) { |
| *eax = (cs->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 (cs->nr_threads > 1) { |
| *eax |= (cs->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 = cs->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 = cs->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 (cs->nr_cores * cs->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 (cs->nr_cores * cs->nr_threads > 1) { |
| *ecx |= (cs->nr_cores * cs->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", s->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 (s->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(SYS_BUS_DEVICE(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; |
| } |
| |
| /* 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 |= (env->cpuid_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 |
| if (check_cpuid && kvm_check_features_against_host(cpu) |
| && enforce_cpuid) { |
| error_setg(errp, "Host's CPU doesn't support requested features"); |
| return; |
| } |
| } |
| |
| #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)); |
| } |
| |
| /* Enables contiguous-apic-ID mode, for compatibility */ |
| static bool compat_apic_id_mode; |
| |
| void enable_compat_apic_id_mode(void) |
| { |
| compat_apic_id_mode = true; |
| } |
| |
| /* Calculates initial APIC ID for a specific CPU index |
| * |
| * Currently we need to be able to calculate the APIC ID from the CPU index |
| * alone (without requiring a CPU object), as the QEMU<->Seabios interfaces have |
| * no concept of "CPU index", and the NUMA tables on fw_cfg need the APIC ID of |
| * all CPUs up to max_cpus. |
| */ |
| uint32_t x86_cpu_apic_id_from_index(unsigned int cpu_index) |
| { |
| uint32_t correct_id; |
| static bool warned; |
| |
| correct_id = x86_apicid_from_cpu_idx(smp_cores, smp_threads, cpu_index); |
| if (compat_apic_id_mode) { |
| if (cpu_index != correct_id && !warned) { |
| error_report("APIC IDs set in compatibility mode, " |
| "CPU topology won't match the configuration"); |
| warned = true; |
| } |
| return cpu_index; |
| } else { |
| return correct_id; |
| } |
| } |
| |
| static void x86_cpu_initfn(Object *obj) |
| { |
| CPUState *cs = CPU(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 = x86_cpu_apic_id_from_index(cs->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) |
