diff options
Diffstat (limited to 'qemu/target-i386/cpu.c')
| -rw-r--r-- | qemu/target-i386/cpu.c | 3301 |
1 files changed, 0 insertions, 3301 deletions
diff --git a/qemu/target-i386/cpu.c b/qemu/target-i386/cpu.c deleted file mode 100644 index d0b5b6915..000000000 --- a/qemu/target-i386/cpu.c +++ /dev/null @@ -1,3301 +0,0 @@ -/* - * i386 CPUID helper functions - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, see <http://www.gnu.org/licenses/>. - */ -#include "qemu/osdep.h" -#include "qemu/cutils.h" - -#include "cpu.h" -#include "sysemu/kvm.h" -#include "sysemu/cpus.h" -#include "kvm_i386.h" - -#include "qemu/error-report.h" -#include "qemu/option.h" -#include "qemu/config-file.h" -#include "qapi/qmp/qerror.h" - -#include "qapi-types.h" -#include "qapi-visit.h" -#include "qapi/visitor.h" -#include "sysemu/arch_init.h" - -#include "hw/hw.h" -#if defined(CONFIG_KVM) -#include <linux/kvm_para.h> -#endif - -#include "sysemu/sysemu.h" -#include "hw/qdev-properties.h" -#ifndef CONFIG_USER_ONLY -#include "exec/address-spaces.h" -#include "hw/xen/xen.h" -#include "hw/i386/apic_internal.h" -#endif - - -/* Cache topology CPUID constants: */ - -/* CPUID Leaf 2 Descriptors */ - -#define CPUID_2_L1D_32KB_8WAY_64B 0x2c -#define CPUID_2_L1I_32KB_8WAY_64B 0x30 -#define CPUID_2_L2_2MB_8WAY_64B 0x7d - - -/* CPUID Leaf 4 constants: */ - -/* EAX: */ -#define CPUID_4_TYPE_DCACHE 1 -#define CPUID_4_TYPE_ICACHE 2 -#define CPUID_4_TYPE_UNIFIED 3 - -#define CPUID_4_LEVEL(l) ((l) << 5) - -#define CPUID_4_SELF_INIT_LEVEL (1 << 8) -#define CPUID_4_FULLY_ASSOC (1 << 9) - -/* EDX: */ -#define CPUID_4_NO_INVD_SHARING (1 << 0) -#define CPUID_4_INCLUSIVE (1 << 1) -#define CPUID_4_COMPLEX_IDX (1 << 2) - -#define ASSOC_FULL 0xFF - -/* AMD associativity encoding used on CPUID Leaf 0x80000006: */ -#define AMD_ENC_ASSOC(a) (a <= 1 ? a : \ - a == 2 ? 0x2 : \ - a == 4 ? 0x4 : \ - a == 8 ? 0x6 : \ - a == 16 ? 0x8 : \ - a == 32 ? 0xA : \ - a == 48 ? 0xB : \ - a == 64 ? 0xC : \ - a == 96 ? 0xD : \ - a == 128 ? 0xE : \ - a == ASSOC_FULL ? 0xF : \ - 0 /* invalid value */) - - -/* Definitions of the hardcoded cache entries we expose: */ - -/* L1 data cache: */ -#define L1D_LINE_SIZE 64 -#define L1D_ASSOCIATIVITY 8 -#define L1D_SETS 64 -#define L1D_PARTITIONS 1 -/* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */ -#define L1D_DESCRIPTOR CPUID_2_L1D_32KB_8WAY_64B -/*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */ -#define L1D_LINES_PER_TAG 1 -#define L1D_SIZE_KB_AMD 64 -#define L1D_ASSOCIATIVITY_AMD 2 - -/* L1 instruction cache: */ -#define L1I_LINE_SIZE 64 -#define L1I_ASSOCIATIVITY 8 -#define L1I_SETS 64 -#define L1I_PARTITIONS 1 -/* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */ -#define L1I_DESCRIPTOR CPUID_2_L1I_32KB_8WAY_64B -/*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */ -#define L1I_LINES_PER_TAG 1 -#define L1I_SIZE_KB_AMD 64 -#define L1I_ASSOCIATIVITY_AMD 2 - -/* Level 2 unified cache: */ -#define L2_LINE_SIZE 64 -#define L2_ASSOCIATIVITY 16 -#define L2_SETS 4096 -#define L2_PARTITIONS 1 -/* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 4MiB */ -/*FIXME: CPUID leaf 2 descriptor is inconsistent with CPUID leaf 4 */ -#define L2_DESCRIPTOR CPUID_2_L2_2MB_8WAY_64B -/*FIXME: CPUID leaf 0x80000006 is inconsistent with leaves 2 & 4 */ -#define L2_LINES_PER_TAG 1 -#define L2_SIZE_KB_AMD 512 - -/* No L3 cache: */ -#define L3_SIZE_KB 0 /* disabled */ -#define L3_ASSOCIATIVITY 0 /* disabled */ -#define L3_LINES_PER_TAG 0 /* disabled */ -#define L3_LINE_SIZE 0 /* disabled */ - -/* TLB definitions: */ - -#define L1_DTLB_2M_ASSOC 1 -#define L1_DTLB_2M_ENTRIES 255 -#define L1_DTLB_4K_ASSOC 1 -#define L1_DTLB_4K_ENTRIES 255 - -#define L1_ITLB_2M_ASSOC 1 -#define L1_ITLB_2M_ENTRIES 255 -#define L1_ITLB_4K_ASSOC 1 -#define L1_ITLB_4K_ENTRIES 255 - -#define L2_DTLB_2M_ASSOC 0 /* disabled */ -#define L2_DTLB_2M_ENTRIES 0 /* disabled */ -#define L2_DTLB_4K_ASSOC 4 -#define L2_DTLB_4K_ENTRIES 512 - -#define L2_ITLB_2M_ASSOC 0 /* disabled */ -#define L2_ITLB_2M_ENTRIES 0 /* disabled */ -#define L2_ITLB_4K_ASSOC 4 -#define L2_ITLB_4K_ENTRIES 512 - - - -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", "kvm_pv_unhalt", - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - "kvmclock-stable-bit", 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", "tsc_adjust", NULL, "bmi1", "hle", "avx2", NULL, "smep", - "bmi2", "erms", "invpcid", "rtm", NULL, NULL, "mpx", NULL, - "avx512f", NULL, "rdseed", "adx", "smap", NULL, "pcommit", "clflushopt", - "clwb", NULL, "avx512pf", "avx512er", "avx512cd", NULL, NULL, NULL, -}; - -static const char *cpuid_7_0_ecx_feature_name[] = { - NULL, NULL, NULL, "pku", - "ospke", NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, -}; - -static const char *cpuid_apm_edx_feature_name[] = { - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - "invtsc", NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, -}; - -static const char *cpuid_xsave_feature_name[] = { - "xsaveopt", "xsavec", "xgetbv1", "xsaves", - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, -}; - -static const char *cpuid_6_feature_name[] = { - NULL, NULL, "arat", NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, -}; - -#define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE) -#define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \ - CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC) -#define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \ - CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \ - CPUID_PSE36 | CPUID_FXSR) -#define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE) -#define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \ - CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \ - CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \ - CPUID_PAE | CPUID_SEP | CPUID_APIC) - -#define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \ - CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \ - CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \ - CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \ - CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS | CPUID_DE) - /* partly implemented: - CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64) */ - /* missing: - CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */ -#define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | \ - CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | \ - CPUID_EXT_SSE41 | CPUID_EXT_SSE42 | CPUID_EXT_POPCNT | \ - CPUID_EXT_XSAVE | /* CPUID_EXT_OSXSAVE is dynamic */ \ - CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR) - /* missing: - CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_SMX, - CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_CID, CPUID_EXT_FMA, - CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_PCID, CPUID_EXT_DCA, - CPUID_EXT_X2APIC, CPUID_EXT_TSC_DEADLINE_TIMER, CPUID_EXT_AVX, - CPUID_EXT_F16C, CPUID_EXT_RDRAND */ - -#ifdef TARGET_X86_64 -#define TCG_EXT2_X86_64_FEATURES (CPUID_EXT2_SYSCALL | CPUID_EXT2_LM) -#else -#define TCG_EXT2_X86_64_FEATURES 0 -#endif - -#define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \ - CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \ - CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_PDPE1GB | \ - TCG_EXT2_X86_64_FEATURES) -#define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \ - CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A) -#define TCG_EXT4_FEATURES 0 -#define TCG_SVM_FEATURES 0 -#define TCG_KVM_FEATURES 0 -#define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP | \ - CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX | \ - CPUID_7_0_EBX_PCOMMIT | CPUID_7_0_EBX_CLFLUSHOPT | \ - CPUID_7_0_EBX_CLWB | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_FSGSBASE) - /* missing: - CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2, - CPUID_7_0_EBX_ERMS, CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM, - CPUID_7_0_EBX_RDSEED */ -#define TCG_7_0_ECX_FEATURES (CPUID_7_0_ECX_PKU | CPUID_7_0_ECX_OSPKE) -#define TCG_APM_FEATURES 0 -#define TCG_6_EAX_FEATURES CPUID_6_EAX_ARAT -#define TCG_XSAVE_FEATURES (CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XGETBV1) - /* missing: - CPUID_XSAVE_XSAVEC, CPUID_XSAVE_XSAVES */ - -typedef struct FeatureWordInfo { - const char **feat_names; - uint32_t cpuid_eax; /* Input EAX for CPUID */ - bool cpuid_needs_ecx; /* CPUID instruction uses ECX as input */ - uint32_t cpuid_ecx; /* Input ECX value for CPUID */ - int cpuid_reg; /* output register (R_* constant) */ - uint32_t tcg_features; /* Feature flags supported by TCG */ - uint32_t unmigratable_flags; /* Feature flags known to be unmigratable */ -} FeatureWordInfo; - -static FeatureWordInfo feature_word_info[FEATURE_WORDS] = { - [FEAT_1_EDX] = { - .feat_names = feature_name, - .cpuid_eax = 1, .cpuid_reg = R_EDX, - .tcg_features = TCG_FEATURES, - }, - [FEAT_1_ECX] = { - .feat_names = ext_feature_name, - .cpuid_eax = 1, .cpuid_reg = R_ECX, - .tcg_features = TCG_EXT_FEATURES, - }, - [FEAT_8000_0001_EDX] = { - .feat_names = ext2_feature_name, - .cpuid_eax = 0x80000001, .cpuid_reg = R_EDX, - .tcg_features = TCG_EXT2_FEATURES, - }, - [FEAT_8000_0001_ECX] = { - .feat_names = ext3_feature_name, - .cpuid_eax = 0x80000001, .cpuid_reg = R_ECX, - .tcg_features = TCG_EXT3_FEATURES, - }, - [FEAT_C000_0001_EDX] = { - .feat_names = ext4_feature_name, - .cpuid_eax = 0xC0000001, .cpuid_reg = R_EDX, - .tcg_features = TCG_EXT4_FEATURES, - }, - [FEAT_KVM] = { - .feat_names = kvm_feature_name, - .cpuid_eax = KVM_CPUID_FEATURES, .cpuid_reg = R_EAX, - .tcg_features = TCG_KVM_FEATURES, - }, - [FEAT_SVM] = { - .feat_names = svm_feature_name, - .cpuid_eax = 0x8000000A, .cpuid_reg = R_EDX, - .tcg_features = TCG_SVM_FEATURES, - }, - [FEAT_7_0_EBX] = { - .feat_names = cpuid_7_0_ebx_feature_name, - .cpuid_eax = 7, - .cpuid_needs_ecx = true, .cpuid_ecx = 0, - .cpuid_reg = R_EBX, - .tcg_features = TCG_7_0_EBX_FEATURES, - }, - [FEAT_7_0_ECX] = { - .feat_names = cpuid_7_0_ecx_feature_name, - .cpuid_eax = 7, - .cpuid_needs_ecx = true, .cpuid_ecx = 0, - .cpuid_reg = R_ECX, - .tcg_features = TCG_7_0_ECX_FEATURES, - }, - [FEAT_8000_0007_EDX] = { - .feat_names = cpuid_apm_edx_feature_name, - .cpuid_eax = 0x80000007, - .cpuid_reg = R_EDX, - .tcg_features = TCG_APM_FEATURES, - .unmigratable_flags = CPUID_APM_INVTSC, - }, - [FEAT_XSAVE] = { - .feat_names = cpuid_xsave_feature_name, - .cpuid_eax = 0xd, - .cpuid_needs_ecx = true, .cpuid_ecx = 1, - .cpuid_reg = R_EAX, - .tcg_features = TCG_XSAVE_FEATURES, - }, - [FEAT_6_EAX] = { - .feat_names = cpuid_6_feature_name, - .cpuid_eax = 6, .cpuid_reg = R_EAX, - .tcg_features = TCG_6_EAX_FEATURES, - }, -}; - -typedef struct X86RegisterInfo32 { - /* Name of register */ - const char *name; - /* QAPI enum value register */ - X86CPURegister32 qapi_enum; -} X86RegisterInfo32; - -#define REGISTER(reg) \ - [R_##reg] = { .name = #reg, .qapi_enum = X86_CPU_REGISTER32_##reg } -static const X86RegisterInfo32 x86_reg_info_32[CPU_NB_REGS32] = { - REGISTER(EAX), - REGISTER(ECX), - REGISTER(EDX), - REGISTER(EBX), - REGISTER(ESP), - REGISTER(EBP), - REGISTER(ESI), - REGISTER(EDI), -}; -#undef REGISTER - -const ExtSaveArea x86_ext_save_areas[] = { - [XSTATE_YMM_BIT] = - { .feature = FEAT_1_ECX, .bits = CPUID_EXT_AVX, - .offset = 0x240, .size = 0x100 }, - [XSTATE_BNDREGS_BIT] = - { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX, - .offset = 0x3c0, .size = 0x40 }, - [XSTATE_BNDCSR_BIT] = - { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX, - .offset = 0x400, .size = 0x40 }, - [XSTATE_OPMASK_BIT] = - { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F, - .offset = 0x440, .size = 0x40 }, - [XSTATE_ZMM_Hi256_BIT] = - { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F, - .offset = 0x480, .size = 0x200 }, - [XSTATE_Hi16_ZMM_BIT] = - { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F, - .offset = 0x680, .size = 0x400 }, - [XSTATE_PKRU_BIT] = - { .feature = FEAT_7_0_ECX, .bits = CPUID_7_0_ECX_PKU, - .offset = 0xA80, .size = 0x8 }, -}; - -const char *get_register_name_32(unsigned int reg) -{ - if (reg >= CPU_NB_REGS32) { - return NULL; - } - return x86_reg_info_32[reg].name; -} - -/* - * Returns the set of feature flags that are supported and migratable by - * QEMU, for a given FeatureWord. - */ -static uint32_t x86_cpu_get_migratable_flags(FeatureWord w) -{ - FeatureWordInfo *wi = &feature_word_info[w]; - uint32_t r = 0; - int i; - - for (i = 0; i < 32; i++) { - uint32_t f = 1U << i; - /* If the feature name is unknown, it is not supported by QEMU yet */ - if (!wi->feat_names[i]) { - continue; - } - /* Skip features known to QEMU, but explicitly marked as unmigratable */ - if (wi->unmigratable_flags & f) { - continue; - } - r |= f; - } - return r; -} - -void host_cpuid(uint32_t function, uint32_t count, - uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx) -{ - uint32_t vec[4]; - -#ifdef __x86_64__ - asm volatile("cpuid" - : "=a"(vec[0]), "=b"(vec[1]), - "=c"(vec[2]), "=d"(vec[3]) - : "0"(function), "c"(count) : "cc"); -#elif defined(__i386__) - asm volatile("pusha \n\t" - "cpuid \n\t" - "mov %%eax, 0(%2) \n\t" - "mov %%ebx, 4(%2) \n\t" - "mov %%ecx, 8(%2) \n\t" - "mov %%edx, 12(%2) \n\t" - "popa" - : : "a"(function), "c"(count), "S"(vec) - : "memory", "cc"); -#else - abort(); -#endif - - if (eax) - *eax = vec[0]; - if (ebx) - *ebx = vec[1]; - if (ecx) - *ecx = vec[2]; - if (edx) - *edx = vec[3]; -} - -#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, - Error **errp) -{ - 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) { - error_setg(errp, "CPU feature %s not found", flagname); - } -} - -/* CPU class name definitions: */ - -#define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU -#define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX) - -/* Return type name for a given CPU model name - * Caller is responsible for freeing the returned string. - */ -static char *x86_cpu_type_name(const char *model_name) -{ - return g_strdup_printf(X86_CPU_TYPE_NAME("%s"), model_name); -} - -static ObjectClass *x86_cpu_class_by_name(const char *cpu_model) -{ - ObjectClass *oc; - char *typename; - - if (cpu_model == NULL) { - return NULL; - } - - typename = x86_cpu_type_name(cpu_model); - oc = object_class_by_name(typename); - g_free(typename); - return oc; -} - -struct X86CPUDefinition { - const char *name; - uint32_t level; - uint32_t xlevel; - uint32_t xlevel2; - /* vendor is zero-terminated, 12 character ASCII string */ - char vendor[CPUID_VENDOR_SZ + 1]; - int family; - int model; - int stepping; - FeatureWordArray features; - char model_id[48]; -}; - -static X86CPUDefinition builtin_x86_defs[] = { - { - .name = "qemu64", - .level = 0xd, - .vendor = CPUID_VENDOR_AMD, - .family = 6, - .model = 6, - .stepping = 3, - .features[FEAT_1_EDX] = - PPRO_FEATURES | - CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | - CPUID_PSE36, - .features[FEAT_1_ECX] = - CPUID_EXT_SSE3 | CPUID_EXT_CX16, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM, - .xlevel = 0x8000000A, - }, - { - .name = "phenom", - .level = 5, - .vendor = CPUID_VENDOR_AMD, - .family = 16, - .model = 2, - .stepping = 3, - /* Missing: CPUID_HT */ - .features[FEAT_1_EDX] = - PPRO_FEATURES | - CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | - CPUID_PSE36 | CPUID_VME, - .features[FEAT_1_ECX] = - CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 | - CPUID_EXT_POPCNT, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX | - CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT | - CPUID_EXT2_FFXSR | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP, - /* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC, - CPUID_EXT3_CR8LEG, - CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH, - CPUID_EXT3_OSVW, CPUID_EXT3_IBS */ - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | - CPUID_EXT3_ABM | CPUID_EXT3_SSE4A, - /* Missing: CPUID_SVM_LBRV */ - .features[FEAT_SVM] = - CPUID_SVM_NPT, - .xlevel = 0x8000001A, - .model_id = "AMD Phenom(tm) 9550 Quad-Core Processor" - }, - { - .name = "core2duo", - .level = 10, - .vendor = CPUID_VENDOR_INTEL, - .family = 6, - .model = 15, - .stepping = 11, - /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */ - .features[FEAT_1_EDX] = - PPRO_FEATURES | - CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | - CPUID_PSE36 | CPUID_VME | CPUID_ACPI | CPUID_SS, - /* Missing: CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_EST, - * CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_VMX */ - .features[FEAT_1_ECX] = - CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | - CPUID_EXT_CX16, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_LAHF_LM, - .xlevel = 0x80000008, - .model_id = "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz", - }, - { - .name = "kvm64", - .level = 0xd, - .vendor = CPUID_VENDOR_INTEL, - .family = 15, - .model = 6, - .stepping = 1, - /* Missing: CPUID_HT */ - .features[FEAT_1_EDX] = - PPRO_FEATURES | CPUID_VME | - CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | - CPUID_PSE36, - /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */ - .features[FEAT_1_ECX] = - CPUID_EXT_SSE3 | CPUID_EXT_CX16, - /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */ - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, - /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC, - CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A, - CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH, - CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */ - .features[FEAT_8000_0001_ECX] = - 0, - .xlevel = 0x80000008, - .model_id = "Common KVM processor" - }, - { - .name = "qemu32", - .level = 4, - .vendor = CPUID_VENDOR_INTEL, - .family = 6, - .model = 6, - .stepping = 3, - .features[FEAT_1_EDX] = - PPRO_FEATURES, - .features[FEAT_1_ECX] = - CPUID_EXT_SSE3, - .xlevel = 0x80000004, - }, - { - .name = "kvm32", - .level = 5, - .vendor = CPUID_VENDOR_INTEL, - .family = 15, - .model = 6, - .stepping = 1, - .features[FEAT_1_EDX] = - PPRO_FEATURES | CPUID_VME | - CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_PSE36, - .features[FEAT_1_ECX] = - CPUID_EXT_SSE3, - .features[FEAT_8000_0001_ECX] = - 0, - .xlevel = 0x80000008, - .model_id = "Common 32-bit KVM processor" - }, - { - .name = "coreduo", - .level = 10, - .vendor = CPUID_VENDOR_INTEL, - .family = 6, - .model = 14, - .stepping = 8, - /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */ - .features[FEAT_1_EDX] = - PPRO_FEATURES | CPUID_VME | - CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_ACPI | - CPUID_SS, - /* Missing: CPUID_EXT_EST, CPUID_EXT_TM2 , CPUID_EXT_XTPR, - * CPUID_EXT_PDCM, CPUID_EXT_VMX */ - .features[FEAT_1_ECX] = - CPUID_EXT_SSE3 | CPUID_EXT_MONITOR, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_NX, - .xlevel = 0x80000008, - .model_id = "Genuine Intel(R) CPU T2600 @ 2.16GHz", - }, - { - .name = "486", - .level = 1, - .vendor = CPUID_VENDOR_INTEL, - .family = 4, - .model = 8, - .stepping = 0, - .features[FEAT_1_EDX] = - I486_FEATURES, - .xlevel = 0, - }, - { - .name = "pentium", - .level = 1, - .vendor = CPUID_VENDOR_INTEL, - .family = 5, - .model = 4, - .stepping = 3, - .features[FEAT_1_EDX] = - PENTIUM_FEATURES, - .xlevel = 0, - }, - { - .name = "pentium2", - .level = 2, - .vendor = CPUID_VENDOR_INTEL, - .family = 6, - .model = 5, - .stepping = 2, - .features[FEAT_1_EDX] = - PENTIUM2_FEATURES, - .xlevel = 0, - }, - { - .name = "pentium3", - .level = 3, - .vendor = CPUID_VENDOR_INTEL, - .family = 6, - .model = 7, - .stepping = 3, - .features[FEAT_1_EDX] = - PENTIUM3_FEATURES, - .xlevel = 0, - }, - { - .name = "athlon", - .level = 2, - .vendor = CPUID_VENDOR_AMD, - .family = 6, - .model = 2, - .stepping = 3, - .features[FEAT_1_EDX] = - PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR | - CPUID_MCA, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT, - .xlevel = 0x80000008, - }, - { - .name = "n270", - .level = 10, - .vendor = CPUID_VENDOR_INTEL, - .family = 6, - .model = 28, - .stepping = 2, - /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */ - .features[FEAT_1_EDX] = - PPRO_FEATURES | - CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME | - CPUID_ACPI | CPUID_SS, - /* Some CPUs got no CPUID_SEP */ - /* Missing: CPUID_EXT_DSCPL, CPUID_EXT_EST, CPUID_EXT_TM2, - * CPUID_EXT_XTPR */ - .features[FEAT_1_ECX] = - CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | - CPUID_EXT_MOVBE, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_NX, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_LAHF_LM, - .xlevel = 0x80000008, - .model_id = "Intel(R) Atom(TM) CPU N270 @ 1.60GHz", - }, - { - .name = "Conroe", - .level = 10, - .vendor = CPUID_VENDOR_INTEL, - .family = 6, - .model = 15, - .stepping = 3, - .features[FEAT_1_EDX] = - CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | - CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | - CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | - CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | - CPUID_DE | CPUID_FP87, - .features[FEAT_1_ECX] = - CPUID_EXT_SSSE3 | CPUID_EXT_SSE3, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_LAHF_LM, - .xlevel = 0x80000008, - .model_id = "Intel Celeron_4x0 (Conroe/Merom Class Core 2)", - }, - { - .name = "Penryn", - .level = 10, - .vendor = CPUID_VENDOR_INTEL, - .family = 6, - .model = 23, - .stepping = 3, - .features[FEAT_1_EDX] = - CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | - CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | - CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | - CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | - CPUID_DE | CPUID_FP87, - .features[FEAT_1_ECX] = - CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | - CPUID_EXT_SSE3, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_LAHF_LM, - .xlevel = 0x80000008, - .model_id = "Intel Core 2 Duo P9xxx (Penryn Class Core 2)", - }, - { - .name = "Nehalem", - .level = 11, - .vendor = CPUID_VENDOR_INTEL, - .family = 6, - .model = 26, - .stepping = 3, - .features[FEAT_1_EDX] = - CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | - CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | - CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | - CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | - CPUID_DE | CPUID_FP87, - .features[FEAT_1_ECX] = - CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 | - CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_SSE3, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_LAHF_LM, - .xlevel = 0x80000008, - .model_id = "Intel Core i7 9xx (Nehalem Class Core i7)", - }, - { - .name = "Westmere", - .level = 11, - .vendor = CPUID_VENDOR_INTEL, - .family = 6, - .model = 44, - .stepping = 1, - .features[FEAT_1_EDX] = - CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | - CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | - CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | - CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | - CPUID_DE | CPUID_FP87, - .features[FEAT_1_ECX] = - CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | - CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | - CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_LAHF_LM, - .features[FEAT_6_EAX] = - CPUID_6_EAX_ARAT, - .xlevel = 0x80000008, - .model_id = "Westmere E56xx/L56xx/X56xx (Nehalem-C)", - }, - { - .name = "SandyBridge", - .level = 0xd, - .vendor = CPUID_VENDOR_INTEL, - .family = 6, - .model = 42, - .stepping = 1, - .features[FEAT_1_EDX] = - CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | - CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | - CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | - CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | - CPUID_DE | CPUID_FP87, - .features[FEAT_1_ECX] = - CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES | - CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT | - CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 | - CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | - CPUID_EXT_SSE3, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX | - CPUID_EXT2_SYSCALL, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_LAHF_LM, - .features[FEAT_XSAVE] = - CPUID_XSAVE_XSAVEOPT, - .features[FEAT_6_EAX] = - CPUID_6_EAX_ARAT, - .xlevel = 0x80000008, - .model_id = "Intel Xeon E312xx (Sandy Bridge)", - }, - { - .name = "IvyBridge", - .level = 0xd, - .vendor = CPUID_VENDOR_INTEL, - .family = 6, - .model = 58, - .stepping = 9, - .features[FEAT_1_EDX] = - CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | - CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | - CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | - CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | - CPUID_DE | CPUID_FP87, - .features[FEAT_1_ECX] = - CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES | - CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT | - CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 | - CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | - CPUID_EXT_SSE3 | CPUID_EXT_F16C | CPUID_EXT_RDRAND, - .features[FEAT_7_0_EBX] = - CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_SMEP | - CPUID_7_0_EBX_ERMS, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX | - CPUID_EXT2_SYSCALL, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_LAHF_LM, - .features[FEAT_XSAVE] = - CPUID_XSAVE_XSAVEOPT, - .features[FEAT_6_EAX] = - CPUID_6_EAX_ARAT, - .xlevel = 0x80000008, - .model_id = "Intel Xeon E3-12xx v2 (Ivy Bridge)", - }, - { - .name = "Haswell-noTSX", - .level = 0xd, - .vendor = CPUID_VENDOR_INTEL, - .family = 6, - .model = 60, - .stepping = 1, - .features[FEAT_1_EDX] = - CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | - CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | - CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | - CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | - CPUID_DE | CPUID_FP87, - .features[FEAT_1_ECX] = - CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES | - CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | - CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | - CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 | - CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE | - CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX | - CPUID_EXT2_SYSCALL, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM, - .features[FEAT_7_0_EBX] = - CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | - CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP | - CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID, - .features[FEAT_XSAVE] = - CPUID_XSAVE_XSAVEOPT, - .features[FEAT_6_EAX] = - CPUID_6_EAX_ARAT, - .xlevel = 0x80000008, - .model_id = "Intel Core Processor (Haswell, no TSX)", - }, { - .name = "Haswell", - .level = 0xd, - .vendor = CPUID_VENDOR_INTEL, - .family = 6, - .model = 60, - .stepping = 1, - .features[FEAT_1_EDX] = - CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | - CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | - CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | - CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | - CPUID_DE | CPUID_FP87, - .features[FEAT_1_ECX] = - CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES | - CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | - CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | - CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 | - CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE | - CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX | - CPUID_EXT2_SYSCALL, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM, - .features[FEAT_7_0_EBX] = - CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | - CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP | - CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID | - CPUID_7_0_EBX_RTM, - .features[FEAT_XSAVE] = - CPUID_XSAVE_XSAVEOPT, - .features[FEAT_6_EAX] = - CPUID_6_EAX_ARAT, - .xlevel = 0x80000008, - .model_id = "Intel Core Processor (Haswell)", - }, - { - .name = "Broadwell-noTSX", - .level = 0xd, - .vendor = CPUID_VENDOR_INTEL, - .family = 6, - .model = 61, - .stepping = 2, - .features[FEAT_1_EDX] = - CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | - CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | - CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | - CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | - CPUID_DE | CPUID_FP87, - .features[FEAT_1_ECX] = - CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES | - CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | - CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | - CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 | - CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE | - CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX | - CPUID_EXT2_SYSCALL, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH, - .features[FEAT_7_0_EBX] = - CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | - CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP | - CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID | - CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX | - CPUID_7_0_EBX_SMAP, - .features[FEAT_XSAVE] = - CPUID_XSAVE_XSAVEOPT, - .features[FEAT_6_EAX] = - CPUID_6_EAX_ARAT, - .xlevel = 0x80000008, - .model_id = "Intel Core Processor (Broadwell, no TSX)", - }, - { - .name = "Broadwell", - .level = 0xd, - .vendor = CPUID_VENDOR_INTEL, - .family = 6, - .model = 61, - .stepping = 2, - .features[FEAT_1_EDX] = - CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | - CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | - CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | - CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | - CPUID_DE | CPUID_FP87, - .features[FEAT_1_ECX] = - CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES | - CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | - CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | - CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 | - CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE | - CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX | - CPUID_EXT2_SYSCALL, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH, - .features[FEAT_7_0_EBX] = - CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | - CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP | - CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID | - CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX | - CPUID_7_0_EBX_SMAP, - .features[FEAT_XSAVE] = - CPUID_XSAVE_XSAVEOPT, - .features[FEAT_6_EAX] = - CPUID_6_EAX_ARAT, - .xlevel = 0x80000008, - .model_id = "Intel Core Processor (Broadwell)", - }, - { - .name = "Opteron_G1", - .level = 5, - .vendor = CPUID_VENDOR_AMD, - .family = 15, - .model = 6, - .stepping = 1, - .features[FEAT_1_EDX] = - CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | - CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | - CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | - CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | - CPUID_DE | CPUID_FP87, - .features[FEAT_1_ECX] = - CPUID_EXT_SSE3, - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | CPUID_EXT2_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[FEAT_1_EDX] = - CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | - CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | - CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | - CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | - CPUID_DE | CPUID_FP87, - .features[FEAT_1_ECX] = - CPUID_EXT_CX16 | CPUID_EXT_SSE3, - /* Missing: CPUID_EXT2_RDTSCP */ - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | CPUID_EXT2_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, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM, - .xlevel = 0x80000008, - .model_id = "AMD Opteron 22xx (Gen 2 Class Opteron)", - }, - { - .name = "Opteron_G3", - .level = 5, - .vendor = CPUID_VENDOR_AMD, - .family = 15, - .model = 6, - .stepping = 1, - .features[FEAT_1_EDX] = - CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | - CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | - CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | - CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | - CPUID_DE | CPUID_FP87, - .features[FEAT_1_ECX] = - CPUID_EXT_POPCNT | CPUID_EXT_CX16 | CPUID_EXT_MONITOR | - CPUID_EXT_SSE3, - /* Missing: CPUID_EXT2_RDTSCP */ - .features[FEAT_8000_0001_EDX] = - 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, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A | - CPUID_EXT3_ABM | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM, - .xlevel = 0x80000008, - .model_id = "AMD Opteron 23xx (Gen 3 Class Opteron)", - }, - { - .name = "Opteron_G4", - .level = 0xd, - .vendor = CPUID_VENDOR_AMD, - .family = 21, - .model = 1, - .stepping = 2, - .features[FEAT_1_EDX] = - CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | - CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | - CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | - CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | - CPUID_DE | CPUID_FP87, - .features[FEAT_1_ECX] = - CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES | - CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 | - CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | - CPUID_EXT_SSE3, - /* Missing: CPUID_EXT2_RDTSCP */ - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | - CPUID_EXT2_PDPE1GB | CPUID_EXT2_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, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_FMA4 | CPUID_EXT3_XOP | - CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE | - CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM | - CPUID_EXT3_LAHF_LM, - /* no xsaveopt! */ - .xlevel = 0x8000001A, - .model_id = "AMD Opteron 62xx class CPU", - }, - { - .name = "Opteron_G5", - .level = 0xd, - .vendor = CPUID_VENDOR_AMD, - .family = 21, - .model = 2, - .stepping = 0, - .features[FEAT_1_EDX] = - CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | - CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | - CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | - CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | - CPUID_DE | CPUID_FP87, - .features[FEAT_1_ECX] = - CPUID_EXT_F16C | CPUID_EXT_AVX | CPUID_EXT_XSAVE | - CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | - CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_FMA | - CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3, - /* Missing: CPUID_EXT2_RDTSCP */ - .features[FEAT_8000_0001_EDX] = - CPUID_EXT2_LM | - CPUID_EXT2_PDPE1GB | CPUID_EXT2_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, - .features[FEAT_8000_0001_ECX] = - CPUID_EXT3_TBM | CPUID_EXT3_FMA4 | CPUID_EXT3_XOP | - CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE | - CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM | - CPUID_EXT3_LAHF_LM, - /* no xsaveopt! */ - .xlevel = 0x8000001A, - .model_id = "AMD Opteron 63xx class CPU", - }, -}; - -typedef struct PropValue { - const char *prop, *value; -} PropValue; - -/* KVM-specific features that are automatically added/removed - * from all CPU models when KVM is enabled. - */ -static PropValue kvm_default_props[] = { - { "kvmclock", "on" }, - { "kvm-nopiodelay", "on" }, - { "kvm-asyncpf", "on" }, - { "kvm-steal-time", "on" }, - { "kvm-pv-eoi", "on" }, - { "kvmclock-stable-bit", "on" }, - { "x2apic", "on" }, - { "acpi", "off" }, - { "monitor", "off" }, - { "svm", "off" }, - { NULL, NULL }, -}; - -void x86_cpu_change_kvm_default(const char *prop, const char *value) -{ - PropValue *pv; - for (pv = kvm_default_props; pv->prop; pv++) { - if (!strcmp(pv->prop, prop)) { - pv->value = value; - break; - } - } - - /* It is valid to call this function only for properties that - * are already present in the kvm_default_props table. - */ - assert(pv->prop); -} - -static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w, - bool migratable_only); - -#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; -} - -static X86CPUDefinition host_cpudef; - -static Property host_x86_cpu_properties[] = { - DEFINE_PROP_BOOL("migratable", X86CPU, migratable, true), - DEFINE_PROP_BOOL("host-cache-info", X86CPU, cache_info_passthrough, false), - DEFINE_PROP_END_OF_LIST() -}; - -/* class_init for the "host" CPU model - * - * This function may be called before KVM is initialized. - */ -static void host_x86_cpu_class_init(ObjectClass *oc, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(oc); - X86CPUClass *xcc = X86_CPU_CLASS(oc); - uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0; - - xcc->kvm_required = true; - - host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx); - x86_cpu_vendor_words2str(host_cpudef.vendor, ebx, edx, ecx); - - host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx); - host_cpudef.family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF); - host_cpudef.model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12); - host_cpudef.stepping = eax & 0x0F; - - cpu_x86_fill_model_id(host_cpudef.model_id); - - xcc->cpu_def = &host_cpudef; - - /* level, xlevel, xlevel2, and the feature words are initialized on - * instance_init, because they require KVM to be initialized. - */ - - dc->props = host_x86_cpu_properties; - /* Reason: host_x86_cpu_initfn() dies when !kvm_enabled() */ - dc->cannot_destroy_with_object_finalize_yet = true; -} - -static void host_x86_cpu_initfn(Object *obj) -{ - X86CPU *cpu = X86_CPU(obj); - CPUX86State *env = &cpu->env; - KVMState *s = kvm_state; - - assert(kvm_enabled()); - - /* We can't fill the features array here because we don't know yet if - * "migratable" is true or false. - */ - cpu->host_features = true; - - env->cpuid_level = kvm_arch_get_supported_cpuid(s, 0x0, 0, R_EAX); - env->cpuid_xlevel = kvm_arch_get_supported_cpuid(s, 0x80000000, 0, R_EAX); - env->cpuid_xlevel2 = kvm_arch_get_supported_cpuid(s, 0xC0000000, 0, R_EAX); - - object_property_set_bool(OBJECT(cpu), true, "pmu", &error_abort); -} - -static const TypeInfo host_x86_cpu_type_info = { - .name = X86_CPU_TYPE_NAME("host"), - .parent = TYPE_X86_CPU, - .instance_init = host_x86_cpu_initfn, - .class_init = host_x86_cpu_class_init, -}; - -#endif - -static void report_unavailable_features(FeatureWord w, uint32_t mask) -{ - FeatureWordInfo *f = &feature_word_info[w]; - int i; - - for (i = 0; i < 32; ++i) { - if ((1UL << i) & mask) { - const char *reg = get_register_name_32(f->cpuid_reg); - assert(reg); - fprintf(stderr, "warning: %s doesn't support requested feature: " - "CPUID.%02XH:%s%s%s [bit %d]\n", - kvm_enabled() ? "host" : "TCG", - f->cpuid_eax, reg, - f->feat_names[i] ? "." : "", - f->feat_names[i] ? f->feat_names[i] : "", i); - } - } -} - -static void x86_cpuid_version_get_family(Object *obj, Visitor *v, - const char *name, void *opaque, - 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, name, &value, errp); -} - -static void x86_cpuid_version_set_family(Object *obj, Visitor *v, - const char *name, void *opaque, - Error **errp) -{ - X86CPU *cpu = X86_CPU(obj); - CPUX86State *env = &cpu->env; - const int64_t min = 0; - const int64_t max = 0xff + 0xf; - Error *local_err = NULL; - int64_t value; - - visit_type_int(v, name, &value, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - if (value < min || value > max) { - error_setg(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, - const char *name, void *opaque, - 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, name, &value, errp); -} - -static void x86_cpuid_version_set_model(Object *obj, Visitor *v, - const char *name, void *opaque, - Error **errp) -{ - X86CPU *cpu = X86_CPU(obj); - CPUX86State *env = &cpu->env; - const int64_t min = 0; - const int64_t max = 0xff; - Error *local_err = NULL; - int64_t value; - - visit_type_int(v, name, &value, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - if (value < min || value > max) { - error_setg(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, - const char *name, void *opaque, - Error **errp) -{ - X86CPU *cpu = X86_CPU(obj); - CPUX86State *env = &cpu->env; - int64_t value; - - value = env->cpuid_version & 0xf; - visit_type_int(v, name, &value, errp); -} - -static void x86_cpuid_version_set_stepping(Object *obj, Visitor *v, - const char *name, void *opaque, - Error **errp) -{ - X86CPU *cpu = X86_CPU(obj); - CPUX86State *env = &cpu->env; - const int64_t min = 0; - const int64_t max = 0xf; - Error *local_err = NULL; - int64_t value; - - visit_type_int(v, name, &value, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - if (value < min || value > max) { - error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "", - name ? name : "null", value, min, max); - return; - } - - env->cpuid_version &= ~0xf; - env->cpuid_version |= value & 0xf; -} - -static char *x86_cpuid_get_vendor(Object *obj, Error **errp) -{ - X86CPU *cpu = X86_CPU(obj); - CPUX86State *env = &cpu->env; - char *value; - - value = 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_setg(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, const char *name, - void *opaque, Error **errp) -{ - X86CPU *cpu = X86_CPU(obj); - int64_t value; - - value = cpu->env.tsc_khz * 1000; - visit_type_int(v, name, &value, errp); -} - -static void x86_cpuid_set_tsc_freq(Object *obj, Visitor *v, const char *name, - void *opaque, Error **errp) -{ - X86CPU *cpu = X86_CPU(obj); - const int64_t min = 0; - const int64_t max = INT64_MAX; - Error *local_err = NULL; - int64_t value; - - visit_type_int(v, name, &value, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - if (value < min || value > max) { - error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "", - name ? name : "null", value, min, max); - return; - } - - cpu->env.tsc_khz = cpu->env.user_tsc_khz = value / 1000; -} - -static void x86_cpuid_get_apic_id(Object *obj, Visitor *v, const char *name, - void *opaque, Error **errp) -{ - X86CPU *cpu = X86_CPU(obj); - int64_t value = cpu->apic_id; - - visit_type_int(v, name, &value, errp); -} - -static void x86_cpuid_set_apic_id(Object *obj, Visitor *v, const char *name, - void *opaque, Error **errp) -{ - X86CPU *cpu = X86_CPU(obj); - DeviceState *dev = DEVICE(obj); - const int64_t min = 0; - const int64_t max = UINT32_MAX; - Error *error = NULL; - int64_t value; - - if (dev->realized) { - error_setg(errp, "Attempt to set property '%s' on '%s' after " - "it was realized", name, object_get_typename(obj)); - return; - } - - visit_type_int(v, name, &value, &error); - if (error) { - error_propagate(errp, error); - return; - } - if (value < min || value > max) { - error_setg(errp, "Property %s.%s doesn't take value %" PRId64 - " (minimum: %" PRId64 ", maximum: %" PRId64 ")" , - object_get_typename(obj), name, value, min, max); - return; - } - - if ((value != cpu->apic_id) && cpu_exists(value)) { - error_setg(errp, "CPU with APIC ID %" PRIi64 " exists", value); - return; - } - cpu->apic_id = value; -} - -/* Generic getter for "feature-words" and "filtered-features" properties */ -static void x86_cpu_get_feature_words(Object *obj, Visitor *v, - const char *name, void *opaque, - Error **errp) -{ - uint32_t *array = (uint32_t *)opaque; - FeatureWord w; - Error *err = NULL; - X86CPUFeatureWordInfo word_infos[FEATURE_WORDS] = { }; - X86CPUFeatureWordInfoList list_entries[FEATURE_WORDS] = { }; - X86CPUFeatureWordInfoList *list = NULL; - - for (w = 0; w < FEATURE_WORDS; w++) { - FeatureWordInfo *wi = &feature_word_info[w]; - X86CPUFeatureWordInfo *qwi = &word_infos[w]; - qwi->cpuid_input_eax = wi->cpuid_eax; - qwi->has_cpuid_input_ecx = wi->cpuid_needs_ecx; - qwi->cpuid_input_ecx = wi->cpuid_ecx; - qwi->cpuid_register = x86_reg_info_32[wi->cpuid_reg].qapi_enum; - qwi->features = array[w]; - - /* List will be in reverse order, but order shouldn't matter */ - list_entries[w].next = list; - list_entries[w].value = &word_infos[w]; - list = &list_entries[w]; - } - - visit_type_X86CPUFeatureWordInfoList(v, "feature-words", &list, &err); - error_propagate(errp, err); -} - -static void x86_get_hv_spinlocks(Object *obj, Visitor *v, const char *name, - void *opaque, Error **errp) -{ - X86CPU *cpu = X86_CPU(obj); - int64_t value = cpu->hyperv_spinlock_attempts; - - visit_type_int(v, name, &value, errp); -} - -static void x86_set_hv_spinlocks(Object *obj, Visitor *v, const char *name, - void *opaque, Error **errp) -{ - const int64_t min = 0xFFF; - const int64_t max = UINT_MAX; - X86CPU *cpu = X86_CPU(obj); - Error *err = NULL; - int64_t value; - - visit_type_int(v, name, &value, &err); - if (err) { - error_propagate(errp, err); - return; - } - - if (value < min || value > max) { - error_setg(errp, "Property %s.%s doesn't take value %" PRId64 - " (minimum: %" PRId64 ", maximum: %" PRId64 ")", - object_get_typename(obj), name ? name : "null", - value, min, max); - return; - } - cpu->hyperv_spinlock_attempts = value; -} - -static PropertyInfo qdev_prop_spinlocks = { - .name = "int", - .get = x86_get_hv_spinlocks, - .set = x86_set_hv_spinlocks, -}; - -/* Convert all '_' in a feature string option name to '-', to make feature - * name conform to QOM property naming rule, which uses '-' instead of '_'. - */ -static inline void feat2prop(char *s) -{ - while ((s = strchr(s, '_'))) { - *s = '-'; - } -} - -/* Parse "+feature,-feature,feature=foo" CPU feature string - */ -static void x86_cpu_parse_featurestr(CPUState *cs, char *features, - Error **errp) -{ - X86CPU *cpu = X86_CPU(cs); - char *featurestr; /* Single 'key=value" string being parsed */ - FeatureWord w; - /* Features to be added */ - FeatureWordArray plus_features = { 0 }; - /* Features to be removed */ - FeatureWordArray minus_features = { 0 }; - uint32_t numvalue; - CPUX86State *env = &cpu->env; - Error *local_err = NULL; - - featurestr = features ? strtok(features, ",") : NULL; - - while (featurestr) { - char *val; - if (featurestr[0] == '+') { - add_flagname_to_bitmaps(featurestr + 1, plus_features, &local_err); - } else if (featurestr[0] == '-') { - add_flagname_to_bitmaps(featurestr + 1, minus_features, &local_err); - } else if ((val = strchr(featurestr, '='))) { - *val = 0; val++; - feat2prop(featurestr); - if (!strcmp(featurestr, "xlevel")) { - char *err; - char num[32]; - - numvalue = strtoul(val, &err, 0); - if (!*val || *err) { - error_setg(errp, "bad numerical value %s", val); - return; - } - if (numvalue < 0x80000000) { - error_report("xlevel value shall always be >= 0x80000000" - ", fixup will be removed in future versions"); - numvalue += 0x80000000; - } - snprintf(num, sizeof(num), "%" PRIu32, numvalue); - object_property_parse(OBJECT(cpu), num, featurestr, &local_err); - } else if (!strcmp(featurestr, "tsc-freq")) { - int64_t tsc_freq; - char *err; - char num[32]; - - tsc_freq = qemu_strtosz_suffix_unit(val, &err, - QEMU_STRTOSZ_DEFSUFFIX_B, 1000); - if (tsc_freq < 0 || *err) { - error_setg(errp, "bad numerical value %s", val); - return; - } - snprintf(num, sizeof(num), "%" PRId64, tsc_freq); - object_property_parse(OBJECT(cpu), num, "tsc-frequency", - &local_err); - } else if (!strcmp(featurestr, "hv-spinlocks")) { - char *err; - const int min = 0xFFF; - char num[32]; - numvalue = strtoul(val, &err, 0); - if (!*val || *err) { - error_setg(errp, "bad numerical value %s", val); - return; - } - if (numvalue < min) { - error_report("hv-spinlocks value shall always be >= 0x%x" - ", fixup will be removed in future versions", - min); - numvalue = min; - } - snprintf(num, sizeof(num), "%" PRId32, numvalue); - object_property_parse(OBJECT(cpu), num, featurestr, &local_err); - } else { - object_property_parse(OBJECT(cpu), val, featurestr, &local_err); - } - } else { - feat2prop(featurestr); - object_property_parse(OBJECT(cpu), "on", featurestr, &local_err); - } - if (local_err) { - error_propagate(errp, local_err); - return; - } - featurestr = strtok(NULL, ","); - } - - if (cpu->host_features) { - for (w = 0; w < FEATURE_WORDS; w++) { - env->features[w] = - x86_cpu_get_supported_feature_word(w, cpu->migratable); - } - } - - for (w = 0; w < FEATURE_WORDS; w++) { - env->features[w] |= plus_features[w]; - env->features[w] &= ~minus_features[w]; - } -} - -/* Print all cpuid feature names in featureset - */ -static void listflags(FILE *f, fprintf_function print, const char **featureset) -{ - int bit; - bool first = true; - - for (bit = 0; bit < 32; bit++) { - if (featureset[bit]) { - print(f, "%s%s", first ? "" : " ", featureset[bit]); - first = false; - } - } -} - -/* generate CPU information. */ -void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf) -{ - X86CPUDefinition *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); - } -#ifdef CONFIG_KVM - (*cpu_fprintf)(f, "x86 %16s %-48s\n", "host", - "KVM processor with all supported host features " - "(only available in KVM mode)"); -#endif - - (*cpu_fprintf)(f, "\nRecognized CPUID flags:\n"); - for (i = 0; i < ARRAY_SIZE(feature_word_info); i++) { - FeatureWordInfo *fw = &feature_word_info[i]; - - (*cpu_fprintf)(f, " "); - listflags(f, cpu_fprintf, fw->feat_names); - (*cpu_fprintf)(f, "\n"); - } -} - -CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp) -{ - CpuDefinitionInfoList *cpu_list = NULL; - X86CPUDefinition *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; -} - -static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w, - bool migratable_only) -{ - FeatureWordInfo *wi = &feature_word_info[w]; - uint32_t r; - - if (kvm_enabled()) { - r = kvm_arch_get_supported_cpuid(kvm_state, wi->cpuid_eax, - wi->cpuid_ecx, - wi->cpuid_reg); - } else if (tcg_enabled()) { - r = wi->tcg_features; - } else { - return ~0; - } - if (migratable_only) { - r &= x86_cpu_get_migratable_flags(w); - } - return r; -} - -/* - * Filters CPU feature words based on host availability of each feature. - * - * Returns: 0 if all flags are supported by the host, non-zero otherwise. - */ -static int x86_cpu_filter_features(X86CPU *cpu) -{ - CPUX86State *env = &cpu->env; - FeatureWord w; - int rv = 0; - - for (w = 0; w < FEATURE_WORDS; w++) { - uint32_t host_feat = - x86_cpu_get_supported_feature_word(w, cpu->migratable); - uint32_t requested_features = env->features[w]; - env->features[w] &= host_feat; - cpu->filtered_features[w] = requested_features & ~env->features[w]; - if (cpu->filtered_features[w]) { - if (cpu->check_cpuid || cpu->enforce_cpuid) { - report_unavailable_features(w, cpu->filtered_features[w]); - } - rv = 1; - } - } - - return rv; -} - -static void x86_cpu_apply_props(X86CPU *cpu, PropValue *props) -{ - PropValue *pv; - for (pv = props; pv->prop; pv++) { - if (!pv->value) { - continue; - } - object_property_parse(OBJECT(cpu), pv->value, pv->prop, - &error_abort); - } -} - -/* Load data from X86CPUDefinition - */ -static void x86_cpu_load_def(X86CPU *cpu, X86CPUDefinition *def, Error **errp) -{ - CPUX86State *env = &cpu->env; - const char *vendor; - char host_vendor[CPUID_VENDOR_SZ + 1]; - FeatureWord w; - - object_property_set_int(OBJECT(cpu), def->level, "level", errp); - object_property_set_int(OBJECT(cpu), def->family, "family", errp); - object_property_set_int(OBJECT(cpu), def->model, "model", errp); - object_property_set_int(OBJECT(cpu), def->stepping, "stepping", errp); - object_property_set_int(OBJECT(cpu), def->xlevel, "xlevel", errp); - object_property_set_int(OBJECT(cpu), def->xlevel2, "xlevel2", errp); - object_property_set_str(OBJECT(cpu), def->model_id, "model-id", errp); - for (w = 0; w < FEATURE_WORDS; w++) { - env->features[w] = def->features[w]; - } - - /* Special cases not set in the X86CPUDefinition structs: */ - if (kvm_enabled()) { - if (!kvm_irqchip_in_kernel()) { - x86_cpu_change_kvm_default("x2apic", "off"); - } - - x86_cpu_apply_props(cpu, kvm_default_props); - } - - env->features[FEAT_1_ECX] |= CPUID_EXT_HYPERVISOR; - - /* 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 - */ - vendor = def->vendor; - if (kvm_enabled()) { - uint32_t ebx = 0, ecx = 0, edx = 0; - host_cpuid(0, 0, NULL, &ebx, &ecx, &edx); - x86_cpu_vendor_words2str(host_vendor, ebx, edx, ecx); - vendor = host_vendor; - } - - object_property_set_str(OBJECT(cpu), vendor, "vendor", errp); - -} - -X86CPU *cpu_x86_create(const char *cpu_model, Error **errp) -{ - X86CPU *cpu = NULL; - X86CPUClass *xcc; - ObjectClass *oc; - gchar **model_pieces; - char *name, *features; - Error *error = NULL; - - 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]; - - oc = x86_cpu_class_by_name(name); - if (oc == NULL) { - error_setg(&error, "Unable to find CPU definition: %s", name); - goto out; - } - xcc = X86_CPU_CLASS(oc); - - if (xcc->kvm_required && !kvm_enabled()) { - error_setg(&error, "CPU model '%s' requires KVM", name); - goto out; - } - - cpu = X86_CPU(object_new(object_class_get_name(oc))); - - x86_cpu_parse_featurestr(CPU(cpu), features, &error); - if (error) { - goto out; - } - -out: - if (error != NULL) { - error_propagate(errp, error); - if (cpu) { - object_unref(OBJECT(cpu)); - cpu = NULL; - } - } - g_strfreev(model_pieces); - return cpu; -} - -X86CPU *cpu_x86_init(const char *cpu_model) -{ - Error *error = NULL; - X86CPU *cpu; - - cpu = cpu_x86_create(cpu_model, &error); - if (error) { - goto out; - } - - object_property_set_bool(OBJECT(cpu), true, "realized", &error); - -out: - if (error) { - error_report_err(error); - if (cpu != NULL) { - object_unref(OBJECT(cpu)); - cpu = NULL; - } - } - return cpu; -} - -static void x86_cpu_cpudef_class_init(ObjectClass *oc, void *data) -{ - X86CPUDefinition *cpudef = data; - X86CPUClass *xcc = X86_CPU_CLASS(oc); - - xcc->cpu_def = cpudef; -} - -static void x86_register_cpudef_type(X86CPUDefinition *def) -{ - char *typename = x86_cpu_type_name(def->name); - TypeInfo ti = { - .name = typename, - .parent = TYPE_X86_CPU, - .class_init = x86_cpu_cpudef_class_init, - .class_data = def, - }; - - type_register(&ti); - g_free(typename); -} - -#if !defined(CONFIG_USER_ONLY) - -void cpu_clear_apic_feature(CPUX86State *env) -{ - env->features[FEAT_1_EDX] &= ~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) { - X86CPUDefinition *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_hw_version()); - break; - } - } - } -} - -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; - *ebx = env->cpuid_vendor1; - *edx = env->cpuid_vendor2; - *ecx = env->cpuid_vendor3; - break; - case 1: - *eax = env->cpuid_version; - *ebx = (cpu->apic_id << 24) | - 8 << 8; /* CLFLUSH size in quad words, Linux wants it. */ - *ecx = env->features[FEAT_1_ECX]; - if ((*ecx & CPUID_EXT_XSAVE) && (env->cr[4] & CR4_OSXSAVE_MASK)) { - *ecx |= CPUID_EXT_OSXSAVE; - } - *edx = env->features[FEAT_1_EDX]; - if (cs->nr_cores * cs->nr_threads > 1) { - *ebx |= (cs->nr_cores * cs->nr_threads) << 16; - *edx |= CPUID_HT; - } - break; - case 2: - /* cache info: needed for Pentium Pro compatibility */ - if (cpu->cache_info_passthrough) { - host_cpuid(index, 0, eax, ebx, ecx, edx); - break; - } - *eax = 1; /* Number of CPUID[EAX=2] calls required */ - *ebx = 0; - *ecx = 0; - *edx = (L1D_DESCRIPTOR << 16) | \ - (L1I_DESCRIPTOR << 8) | \ - (L2_DESCRIPTOR); - break; - case 4: - /* cache info: needed for Core compatibility */ - if (cpu->cache_info_passthrough) { - host_cpuid(index, count, eax, ebx, ecx, edx); - *eax &= ~0xFC000000; - } else { - *eax = 0; - switch (count) { - case 0: /* L1 dcache info */ - *eax |= CPUID_4_TYPE_DCACHE | \ - CPUID_4_LEVEL(1) | \ - CPUID_4_SELF_INIT_LEVEL; - *ebx = (L1D_LINE_SIZE - 1) | \ - ((L1D_PARTITIONS - 1) << 12) | \ - ((L1D_ASSOCIATIVITY - 1) << 22); - *ecx = L1D_SETS - 1; - *edx = CPUID_4_NO_INVD_SHARING; - break; - case 1: /* L1 icache info */ - *eax |= CPUID_4_TYPE_ICACHE | \ - CPUID_4_LEVEL(1) | \ - CPUID_4_SELF_INIT_LEVEL; - *ebx = (L1I_LINE_SIZE - 1) | \ - ((L1I_PARTITIONS - 1) << 12) | \ - ((L1I_ASSOCIATIVITY - 1) << 22); - *ecx = L1I_SETS - 1; - *edx = CPUID_4_NO_INVD_SHARING; - break; - case 2: /* L2 cache info */ - *eax |= CPUID_4_TYPE_UNIFIED | \ - CPUID_4_LEVEL(2) | \ - CPUID_4_SELF_INIT_LEVEL; - if (cs->nr_threads > 1) { - *eax |= (cs->nr_threads - 1) << 14; - } - *ebx = (L2_LINE_SIZE - 1) | \ - ((L2_PARTITIONS - 1) << 12) | \ - ((L2_ASSOCIATIVITY - 1) << 22); - *ecx = L2_SETS - 1; - *edx = CPUID_4_NO_INVD_SHARING; - break; - default: /* end of info */ - *eax = 0; - *ebx = 0; - *ecx = 0; - *edx = 0; - break; - } - } - - /* QEMU gives out its own APIC IDs, never pass down bits 31..26. */ - if ((*eax & 31) && cs->nr_cores > 1) { - *eax |= (cs->nr_cores - 1) << 26; - } - 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 = env->features[FEAT_6_EAX]; - *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->features[FEAT_7_0_EBX]; /* Feature flags */ - *ecx = env->features[FEAT_7_0_ECX]; /* Feature flags */ - if ((*ecx & CPUID_7_0_ECX_PKU) && env->cr[4] & CR4_PKE_MASK) { - *ecx |= CPUID_7_0_ECX_OSPKE; - } - *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() && cpu->enable_pmu) { - 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: { - KVMState *s = cs->kvm_state; - uint64_t ena_mask; - int i; - - /* Processor Extended State */ - *eax = 0; - *ebx = 0; - *ecx = 0; - *edx = 0; - if (!(env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE)) { - break; - } - if (kvm_enabled()) { - ena_mask = kvm_arch_get_supported_cpuid(s, 0xd, 0, R_EDX); - ena_mask <<= 32; - ena_mask |= kvm_arch_get_supported_cpuid(s, 0xd, 0, R_EAX); - } else { - ena_mask = -1; - } - - if (count == 0) { - *ecx = 0x240; - for (i = 2; i < ARRAY_SIZE(x86_ext_save_areas); i++) { - const ExtSaveArea *esa = &x86_ext_save_areas[i]; - if ((env->features[esa->feature] & esa->bits) == esa->bits - && ((ena_mask >> i) & 1) != 0) { - if (i < 32) { - *eax |= 1u << i; - } else { - *edx |= 1u << (i - 32); - } - *ecx = MAX(*ecx, esa->offset + esa->size); - } - } - *eax |= ena_mask & (XSTATE_FP_MASK | XSTATE_SSE_MASK); - *ebx = *ecx; - } else if (count == 1) { - *eax = env->features[FEAT_XSAVE]; - } else if (count < ARRAY_SIZE(x86_ext_save_areas)) { - const ExtSaveArea *esa = &x86_ext_save_areas[count]; - if ((env->features[esa->feature] & esa->bits) == esa->bits - && ((ena_mask >> count) & 1) != 0) { - *eax = esa->size; - *ebx = esa->offset; - } - } - 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->features[FEAT_8000_0001_ECX]; - *edx = env->features[FEAT_8000_0001_EDX]; - - /* 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) { - if (env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1 || - env->cpuid_vendor2 != CPUID_VENDOR_INTEL_2 || - env->cpuid_vendor3 != 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) */ - if (cpu->cache_info_passthrough) { - host_cpuid(index, 0, eax, ebx, ecx, edx); - break; - } - *eax = (L1_DTLB_2M_ASSOC << 24) | (L1_DTLB_2M_ENTRIES << 16) | \ - (L1_ITLB_2M_ASSOC << 8) | (L1_ITLB_2M_ENTRIES); - *ebx = (L1_DTLB_4K_ASSOC << 24) | (L1_DTLB_4K_ENTRIES << 16) | \ - (L1_ITLB_4K_ASSOC << 8) | (L1_ITLB_4K_ENTRIES); - *ecx = (L1D_SIZE_KB_AMD << 24) | (L1D_ASSOCIATIVITY_AMD << 16) | \ - (L1D_LINES_PER_TAG << 8) | (L1D_LINE_SIZE); - *edx = (L1I_SIZE_KB_AMD << 24) | (L1I_ASSOCIATIVITY_AMD << 16) | \ - (L1I_LINES_PER_TAG << 8) | (L1I_LINE_SIZE); - break; - case 0x80000006: - /* cache info (L2 cache) */ - if (cpu->cache_info_passthrough) { - host_cpuid(index, 0, eax, ebx, ecx, edx); - break; - } - *eax = (AMD_ENC_ASSOC(L2_DTLB_2M_ASSOC) << 28) | \ - (L2_DTLB_2M_ENTRIES << 16) | \ - (AMD_ENC_ASSOC(L2_ITLB_2M_ASSOC) << 12) | \ - (L2_ITLB_2M_ENTRIES); - *ebx = (AMD_ENC_ASSOC(L2_DTLB_4K_ASSOC) << 28) | \ - (L2_DTLB_4K_ENTRIES << 16) | \ - (AMD_ENC_ASSOC(L2_ITLB_4K_ASSOC) << 12) | \ - (L2_ITLB_4K_ENTRIES); - *ecx = (L2_SIZE_KB_AMD << 16) | \ - (AMD_ENC_ASSOC(L2_ASSOCIATIVITY) << 12) | \ - (L2_LINES_PER_TAG << 8) | (L2_LINE_SIZE); - *edx = ((L3_SIZE_KB/512) << 18) | \ - (AMD_ENC_ASSOC(L3_ASSOCIATIVITY) << 12) | \ - (L3_LINES_PER_TAG << 8) | (L3_LINE_SIZE); - break; - case 0x80000007: - *eax = 0; - *ebx = 0; - *ecx = 0; - *edx = env->features[FEAT_8000_0007_EDX]; - 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->features[FEAT_8000_0001_EDX] & 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->features[FEAT_1_EDX] & 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->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) { - *eax = 0x00000001; /* SVM Revision */ - *ebx = 0x00000010; /* nr of ASIDs */ - *ecx = 0; - *edx = env->features[FEAT_SVM]; /* 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->features[FEAT_C000_0001_EDX]; - 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; - target_ulong cr4; - uint64_t xcr0; - int i; - - xcc->parent_reset(s); - - memset(env, 0, offsetof(CPUX86State, cpuid_level)); - - tlb_flush(s, 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; - } - cpu_set_fpuc(env, 0x37f); - - env->mxcsr = 0x1f80; - /* All units are in INIT state. */ - env->xstate_bv = 0; - - 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(s, BP_CPU); - cpu_watchpoint_remove_all(s, BP_CPU); - - cr4 = 0; - xcr0 = XSTATE_FP_MASK; - -#ifdef CONFIG_USER_ONLY - /* Enable all the features for user-mode. */ - if (env->features[FEAT_1_EDX] & CPUID_SSE) { - xcr0 |= XSTATE_SSE_MASK; - } - for (i = 2; i < ARRAY_SIZE(x86_ext_save_areas); i++) { - const ExtSaveArea *esa = &x86_ext_save_areas[i]; - if ((env->features[esa->feature] & esa->bits) == esa->bits) { - xcr0 |= 1ull << i; - } - } - - if (env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE) { - cr4 |= CR4_OSFXSR_MASK | CR4_OSXSAVE_MASK; - } - if (env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE) { - cr4 |= CR4_FSGSBASE_MASK; - } -#endif - - env->xcr0 = xcr0; - cpu_x86_update_cr4(env, cr4); - - /* - * SDM 11.11.5 requires: - * - IA32_MTRR_DEF_TYPE MSR.E = 0 - * - IA32_MTRR_PHYSMASKn.V = 0 - * All other bits are undefined. For simplification, zero it all. - */ - env->mtrr_deftype = 0; - memset(env->mtrr_var, 0, sizeof(env->mtrr_var)); - memset(env->mtrr_fixed, 0, sizeof(env->mtrr_fixed)); - -#if !defined(CONFIG_USER_ONLY) - /* We hard-wire the BSP to the first CPU. */ - apic_designate_bsp(cpu->apic_state, s->cpu_index == 0); - - s->halted = !cpu_is_bsp(cpu); - - if (kvm_enabled()) { - kvm_arch_reset_vcpu(cpu); - } -#endif -} - -#ifndef CONFIG_USER_ONLY -bool cpu_is_bsp(X86CPU *cpu) -{ - return cpu_get_apic_base(cpu->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->features[FEAT_1_EDX] & (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; - } - } -} - -#ifndef CONFIG_USER_ONLY -static void x86_cpu_apic_create(X86CPU *cpu, Error **errp) -{ - APICCommonState *apic; - const char *apic_type = "apic"; - - if (kvm_apic_in_kernel()) { - apic_type = "kvm-apic"; - } else if (xen_enabled()) { - apic_type = "xen-apic"; - } - - cpu->apic_state = DEVICE(object_new(apic_type)); - - object_property_add_child(OBJECT(cpu), "apic", - OBJECT(cpu->apic_state), NULL); - qdev_prop_set_uint8(cpu->apic_state, "id", cpu->apic_id); - /* TODO: convert to link<> */ - apic = APIC_COMMON(cpu->apic_state); - apic->cpu = cpu; - apic->apicbase = APIC_DEFAULT_ADDRESS | MSR_IA32_APICBASE_ENABLE; -} - -static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp) -{ - APICCommonState *apic; - static bool apic_mmio_map_once; - - if (cpu->apic_state == NULL) { - return; - } - object_property_set_bool(OBJECT(cpu->apic_state), true, "realized", - errp); - - /* Map APIC MMIO area */ - apic = APIC_COMMON(cpu->apic_state); - if (!apic_mmio_map_once) { - memory_region_add_subregion_overlap(get_system_memory(), - apic->apicbase & - MSR_IA32_APICBASE_BASE, - &apic->io_memory, - 0x1000); - apic_mmio_map_once = true; - } -} - -static void x86_cpu_machine_done(Notifier *n, void *unused) -{ - X86CPU *cpu = container_of(n, X86CPU, machine_done); - MemoryRegion *smram = - (MemoryRegion *) object_resolve_path("/machine/smram", NULL); - - if (smram) { - cpu->smram = g_new(MemoryRegion, 1); - memory_region_init_alias(cpu->smram, OBJECT(cpu), "smram", - smram, 0, 1ull << 32); - memory_region_set_enabled(cpu->smram, false); - memory_region_add_subregion_overlap(cpu->cpu_as_root, 0, cpu->smram, 1); - } -} -#else -static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp) -{ -} -#endif - - -#define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \ - (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \ - (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3) -#define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \ - (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \ - (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3) -static void x86_cpu_realizefn(DeviceState *dev, Error **errp) -{ - CPUState *cs = CPU(dev); - X86CPU *cpu = X86_CPU(dev); - X86CPUClass *xcc = X86_CPU_GET_CLASS(dev); - CPUX86State *env = &cpu->env; - Error *local_err = NULL; - static bool ht_warned; - - if (cpu->apic_id < 0) { - error_setg(errp, "apic-id property was not initialized properly"); - return; - } - - if (env->features[FEAT_7_0_EBX] && env->cpuid_level < 7) { - env->cpuid_level = 7; - } - - if (x86_cpu_filter_features(cpu) && cpu->enforce_cpuid) { - error_setg(&local_err, - kvm_enabled() ? - "Host doesn't support requested features" : - "TCG doesn't support requested features"); - goto out; - } - - /* On AMD CPUs, some CPUID[8000_0001].EDX bits must match the bits on - * CPUID[1].EDX. - */ - if (IS_AMD_CPU(env)) { - env->features[FEAT_8000_0001_EDX] &= ~CPUID_EXT2_AMD_ALIASES; - env->features[FEAT_8000_0001_EDX] |= (env->features[FEAT_1_EDX] - & CPUID_EXT2_AMD_ALIASES); - } - - -#ifndef CONFIG_USER_ONLY - qemu_register_reset(x86_cpu_machine_reset_cb, cpu); - - if (cpu->env.features[FEAT_1_EDX] & CPUID_APIC || smp_cpus > 1) { - x86_cpu_apic_create(cpu, &local_err); - if (local_err != NULL) { - goto out; - } - } -#endif - - mce_init(cpu); - -#ifndef CONFIG_USER_ONLY - if (tcg_enabled()) { - AddressSpace *newas = g_new(AddressSpace, 1); - - cpu->cpu_as_mem = g_new(MemoryRegion, 1); - cpu->cpu_as_root = g_new(MemoryRegion, 1); - - /* Outer container... */ - memory_region_init(cpu->cpu_as_root, OBJECT(cpu), "memory", ~0ull); - memory_region_set_enabled(cpu->cpu_as_root, true); - - /* ... with two regions inside: normal system memory with low - * priority, and... - */ - memory_region_init_alias(cpu->cpu_as_mem, OBJECT(cpu), "memory", - get_system_memory(), 0, ~0ull); - memory_region_add_subregion_overlap(cpu->cpu_as_root, 0, cpu->cpu_as_mem, 0); - memory_region_set_enabled(cpu->cpu_as_mem, true); - address_space_init(newas, cpu->cpu_as_root, "CPU"); - cs->num_ases = 1; - cpu_address_space_init(cs, newas, 0); - - /* ... SMRAM with higher priority, linked from /machine/smram. */ - cpu->machine_done.notify = x86_cpu_machine_done; - qemu_add_machine_init_done_notifier(&cpu->machine_done); - } -#endif - - qemu_init_vcpu(cs); - - /* Only Intel CPUs support hyperthreading. Even though QEMU fixes this - * issue by adjusting CPUID_0000_0001_EBX and CPUID_8000_0008_ECX - * based on inputs (sockets,cores,threads), it is still better to gives - * users a warning. - * - * NOTE: the following code has to follow qemu_init_vcpu(). Otherwise - * cs->nr_threads hasn't be populated yet and the checking is incorrect. - */ - if (!IS_INTEL_CPU(env) && cs->nr_threads > 1 && !ht_warned) { - error_report("AMD CPU doesn't support hyperthreading. Please configure" - " -smp options properly."); - ht_warned = true; - } - - x86_cpu_apic_realize(cpu, &local_err); - if (local_err != NULL) { - goto out; - } - cpu_reset(cs); - - xcc->parent_realize(dev, &local_err); - -out: - if (local_err != NULL) { - error_propagate(errp, local_err); - return; - } -} - -typedef struct BitProperty { - uint32_t *ptr; - uint32_t mask; -} BitProperty; - -static void x86_cpu_get_bit_prop(Object *obj, Visitor *v, const char *name, - void *opaque, Error **errp) -{ - BitProperty *fp = opaque; - bool value = (*fp->ptr & fp->mask) == fp->mask; - visit_type_bool(v, name, &value, errp); -} - -static void x86_cpu_set_bit_prop(Object *obj, Visitor *v, const char *name, - void *opaque, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - BitProperty *fp = opaque; - Error *local_err = NULL; - bool value; - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - - visit_type_bool(v, name, &value, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - - if (value) { - *fp->ptr |= fp->mask; - } else { - *fp->ptr &= ~fp->mask; - } -} - -static void x86_cpu_release_bit_prop(Object *obj, const char *name, - void *opaque) -{ - BitProperty *prop = opaque; - g_free(prop); -} - -/* Register a boolean property to get/set a single bit in a uint32_t field. - * - * The same property name can be registered multiple times to make it affect - * multiple bits in the same FeatureWord. In that case, the getter will return - * true only if all bits are set. - */ -static void x86_cpu_register_bit_prop(X86CPU *cpu, - const char *prop_name, - uint32_t *field, - int bitnr) -{ - BitProperty *fp; - ObjectProperty *op; - uint32_t mask = (1UL << bitnr); - - op = object_property_find(OBJECT(cpu), prop_name, NULL); - if (op) { - fp = op->opaque; - assert(fp->ptr == field); - fp->mask |= mask; - } else { - fp = g_new0(BitProperty, 1); - fp->ptr = field; - fp->mask = mask; - object_property_add(OBJECT(cpu), prop_name, "bool", - x86_cpu_get_bit_prop, - x86_cpu_set_bit_prop, - x86_cpu_release_bit_prop, fp, &error_abort); - } -} - -static void x86_cpu_register_feature_bit_props(X86CPU *cpu, - FeatureWord w, - int bitnr) -{ - Object *obj = OBJECT(cpu); - int i; - char **names; - FeatureWordInfo *fi = &feature_word_info[w]; - - if (!fi->feat_names) { - return; - } - if (!fi->feat_names[bitnr]) { - return; - } - - names = g_strsplit(fi->feat_names[bitnr], "|", 0); - - feat2prop(names[0]); - x86_cpu_register_bit_prop(cpu, names[0], &cpu->env.features[w], bitnr); - - for (i = 1; names[i]; i++) { - feat2prop(names[i]); - object_property_add_alias(obj, names[i], obj, names[0], - &error_abort); - } - - g_strfreev(names); -} - -static void x86_cpu_initfn(Object *obj) -{ - CPUState *cs = CPU(obj); - X86CPU *cpu = X86_CPU(obj); - X86CPUClass *xcc = X86_CPU_GET_CLASS(obj); - CPUX86State *env = &cpu->env; - FeatureWord w; - static int inited; - - cs->env_ptr = env; - cpu_exec_init(cs, &error_abort); - - 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_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); - object_property_add(obj, "apic-id", "int", - x86_cpuid_get_apic_id, - x86_cpuid_set_apic_id, NULL, NULL, NULL); - object_property_add(obj, "feature-words", "X86CPUFeatureWordInfo", - x86_cpu_get_feature_words, - NULL, NULL, (void *)env->features, NULL); - object_property_add(obj, "filtered-features", "X86CPUFeatureWordInfo", - x86_cpu_get_feature_words, - NULL, NULL, (void *)cpu->filtered_features, NULL); - - cpu->hyperv_spinlock_attempts = HYPERV_SPINLOCK_NEVER_RETRY; - -#ifndef CONFIG_USER_ONLY - /* Any code creating new X86CPU objects have to set apic-id explicitly */ - cpu->apic_id = -1; -#endif - - for (w = 0; w < FEATURE_WORDS; w++) { - int bitnr; - - for (bitnr = 0; bitnr < 32; bitnr++) { - x86_cpu_register_feature_bit_props(cpu, w, bitnr); - } - } - - x86_cpu_load_def(cpu, xcc->cpu_def, &error_abort); - - /* init various static tables used in TCG mode */ - if (tcg_enabled() && !inited) { - inited = 1; - tcg_x86_init(); - } -} - -static int64_t x86_cpu_get_arch_id(CPUState *cs) -{ - X86CPU *cpu = X86_CPU(cs); - - return cpu->apic_id; -} - -static bool x86_cpu_get_paging_enabled(const CPUState *cs) -{ - X86CPU *cpu = X86_CPU(cs); - - return cpu->env.cr[0] & CR0_PG_MASK; -} - -static void x86_cpu_set_pc(CPUState *cs, vaddr value) -{ - X86CPU *cpu = X86_CPU(cs); - - cpu->env.eip = value; -} - -static void x86_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb) -{ - X86CPU *cpu = X86_CPU(cs); - - cpu->env.eip = tb->pc - tb->cs_base; -} - -static bool x86_cpu_has_work(CPUState *cs) -{ - X86CPU *cpu = X86_CPU(cs); - CPUX86State *env = &cpu->env; - - return ((cs->interrupt_request & (CPU_INTERRUPT_HARD | - CPU_INTERRUPT_POLL)) && - (env->eflags & IF_MASK)) || - (cs->interrupt_request & (CPU_INTERRUPT_NMI | - CPU_INTERRUPT_INIT | - CPU_INTERRUPT_SIPI | - CPU_INTERRUPT_MCE)) || - ((cs->interrupt_request & CPU_INTERRUPT_SMI) && - !(env->hflags & HF_SMM_MASK)); -} - -static Property x86_cpu_properties[] = { - DEFINE_PROP_BOOL("pmu", X86CPU, enable_pmu, false), - { .name = "hv-spinlocks", .info = &qdev_prop_spinlocks }, - DEFINE_PROP_BOOL("hv-relaxed", X86CPU, hyperv_relaxed_timing, false), - DEFINE_PROP_BOOL("hv-vapic", X86CPU, hyperv_vapic, false), - DEFINE_PROP_BOOL("hv-time", X86CPU, hyperv_time, false), - DEFINE_PROP_BOOL("hv-crash", X86CPU, hyperv_crash, false), - DEFINE_PROP_BOOL("hv-reset", X86CPU, hyperv_reset, false), - DEFINE_PROP_BOOL("hv-vpindex", X86CPU, hyperv_vpindex, false), - DEFINE_PROP_BOOL("hv-runtime", X86CPU, hyperv_runtime, false), - DEFINE_PROP_BOOL("hv-synic", X86CPU, hyperv_synic, false), - DEFINE_PROP_BOOL("hv-stimer", X86CPU, hyperv_stimer, false), - DEFINE_PROP_BOOL("check", X86CPU, check_cpuid, true), - DEFINE_PROP_BOOL("enforce", X86CPU, enforce_cpuid, false), - DEFINE_PROP_BOOL("kvm", X86CPU, expose_kvm, true), - DEFINE_PROP_UINT32("level", X86CPU, env.cpuid_level, 0), - DEFINE_PROP_UINT32("xlevel", X86CPU, env.cpuid_xlevel, 0), - DEFINE_PROP_UINT32("xlevel2", X86CPU, env.cpuid_xlevel2, 0), - DEFINE_PROP_STRING("hv-vendor-id", X86CPU, hyperv_vendor_id), - DEFINE_PROP_END_OF_LIST() -}; - -static void x86_cpu_common_class_init(ObjectClass *oc, void *data) -{ - X86CPUClass *xcc = X86_CPU_CLASS(oc); - CPUClass *cc = CPU_CLASS(oc); - DeviceClass *dc = DEVICE_CLASS(oc); - - xcc->parent_realize = dc->realize; - dc->realize = x86_cpu_realizefn; - dc->props = x86_cpu_properties; - - xcc->parent_reset = cc->reset; - cc->reset = x86_cpu_reset; - cc->reset_dump_flags = CPU_DUMP_FPU | CPU_DUMP_CCOP; - - cc->class_by_name = x86_cpu_class_by_name; - cc->parse_features = x86_cpu_parse_featurestr; - cc->has_work = x86_cpu_has_work; - cc->do_interrupt = x86_cpu_do_interrupt; - cc->cpu_exec_interrupt = x86_cpu_exec_interrupt; - cc->dump_state = x86_cpu_dump_state; - cc->set_pc = x86_cpu_set_pc; - cc->synchronize_from_tb = x86_cpu_synchronize_from_tb; - cc->gdb_read_register = x86_cpu_gdb_read_register; - cc->gdb_write_register = x86_cpu_gdb_write_register; - cc->get_arch_id = x86_cpu_get_arch_id; - cc->get_paging_enabled = x86_cpu_get_paging_enabled; -#ifdef CONFIG_USER_ONLY - cc->handle_mmu_fault = x86_cpu_handle_mmu_fault; -#else - cc->get_memory_mapping = x86_cpu_get_memory_mapping; - cc->get_phys_page_debug = x86_cpu_get_phys_page_debug; - cc->write_elf64_note = x86_cpu_write_elf64_note; - cc->write_elf64_qemunote = x86_cpu_write_elf64_qemunote; - cc->write_elf32_note = x86_cpu_write_elf32_note; - cc->write_elf32_qemunote = x86_cpu_write_elf32_qemunote; - cc->vmsd = &vmstate_x86_cpu; -#endif - cc->gdb_num_core_regs = CPU_NB_REGS * 2 + 25; -#ifndef CONFIG_USER_ONLY - cc->debug_excp_handler = breakpoint_handler; -#endif - cc->cpu_exec_enter = x86_cpu_exec_enter; - cc->cpu_exec_exit = x86_cpu_exec_exit; - - /* - * Reason: x86_cpu_initfn() calls cpu_exec_init(), which saves the - * object in cpus -> dangling pointer after final object_unref(). - */ - dc->cannot_destroy_with_object_finalize_yet = true; -} - -static const TypeInfo x86_cpu_type_info = { - .name = TYPE_X86_CPU, - .parent = TYPE_CPU, - .instance_size = sizeof(X86CPU), - .instance_init = x86_cpu_initfn, - .abstract = true, - .class_size = sizeof(X86CPUClass), - .class_init = x86_cpu_common_class_init, -}; - -static void x86_cpu_register_types(void) -{ - int i; - - type_register_static(&x86_cpu_type_info); - for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) { - x86_register_cpudef_type(&builtin_x86_defs[i]); - } -#ifdef CONFIG_KVM - type_register_static(&host_x86_cpu_type_info); -#endif -} - -type_init(x86_cpu_register_types) |