};
static const char *kvm_feature_name[] = {
- "kvmclock", "kvm_nopiodelay", "kvm_mmu", NULL, NULL, NULL, NULL, NULL,
+ "kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock", "kvm_asyncpf", 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 *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,
+};
+
/* collects per-function cpuid data
*/
typedef struct model_features_t {
int check_cpuid = 0;
int enforce_cpuid = 0;
-static void host_cpuid(uint32_t function, uint32_t count,
- uint32_t *eax, uint32_t *ebx,
- uint32_t *ecx, uint32_t *edx)
+void host_cpuid(uint32_t function, uint32_t count,
+ uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)
{
#if defined(CONFIG_KVM)
uint32_t vec[4];
#endif
if (eax)
- *eax = vec[0];
+ *eax = vec[0];
if (ebx)
- *ebx = vec[1];
+ *ebx = vec[1];
if (ecx)
- *ecx = vec[2];
+ *ecx = vec[2];
if (edx)
- *edx = vec[3];
+ *edx = vec[3];
#endif
}
}
/* search featureset for flag *[s..e), if found set corresponding bit in
- * *pval and return success, otherwise return zero
+ * *pval and return true, otherwise return false
*/
-static int lookup_feature(uint32_t *pval, const char *s, const char *e,
- const char **featureset)
+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)
+ for (mask = 1, ppc = featureset; mask; mask <<= 1, ++ppc) {
if (*ppc && !altcmp(s, e, *ppc)) {
*pval |= mask;
- break;
+ found = true;
}
- return (mask ? 1 : 0);
+ }
+ return found;
}
static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features,
uint32_t *ext_features,
uint32_t *ext2_features,
uint32_t *ext3_features,
- uint32_t *kvm_features)
+ uint32_t *kvm_features,
+ uint32_t *svm_features)
{
if (!lookup_feature(features, flagname, NULL, feature_name) &&
!lookup_feature(ext_features, flagname, NULL, ext_feature_name) &&
!lookup_feature(ext2_features, flagname, NULL, ext2_feature_name) &&
!lookup_feature(ext3_features, flagname, NULL, ext3_feature_name) &&
- !lookup_feature(kvm_features, flagname, NULL, kvm_feature_name))
+ !lookup_feature(kvm_features, flagname, NULL, kvm_feature_name) &&
+ !lookup_feature(svm_features, flagname, NULL, svm_feature_name))
fprintf(stderr, "CPU feature %s not found\n", flagname);
}
int family;
int model;
int stepping;
- uint32_t features, ext_features, ext2_features, ext3_features, kvm_features;
+ uint32_t features, ext_features, ext2_features, ext3_features;
+ uint32_t kvm_features, svm_features;
uint32_t xlevel;
char model_id[48];
int vendor_override;
uint32_t flags;
+ /* Store the results of Centaur's CPUID instructions */
+ uint32_t ext4_features;
+ uint32_t xlevel2;
} x86_def_t;
#define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \
CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS)
+ /* partly implemented:
+ CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64)
+ CPUID_PSE36 (needed for Solaris) */
+ /* missing:
+ CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
#define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | \
- CPUID_EXT_CX16 | CPUID_EXT_POPCNT | CPUID_EXT_XSAVE | \
+ CPUID_EXT_CX16 | CPUID_EXT_POPCNT | \
CPUID_EXT_HYPERVISOR)
+ /* missing:
+ CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_EST,
+ CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_XSAVE */
#define TCG_EXT2_FEATURES ((TCG_FEATURES & EXT2_FEATURE_MASK) | \
CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT)
+ /* missing:
+ CPUID_EXT2_PDPE1GB */
#define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
+#define TCG_SVM_FEATURES 0
/* maintains list of cpu model definitions
*/
.model = 2,
.stepping = 3,
.features = PPRO_FEATURES |
- /* these features are needed for Win64 and aren't fully implemented */
CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
- /* this feature is needed for Solaris and isn't fully implemented */
CPUID_PSE36,
.ext_features = CPUID_EXT_SSE3 | CPUID_EXT_CX16 | CPUID_EXT_POPCNT,
.ext2_features = (PPRO_FEATURES & EXT2_FEATURE_MASK) |
.family = 16,
.model = 2,
.stepping = 3,
- /* Missing: CPUID_VME, CPUID_HT */
.features = PPRO_FEATURES |
CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
- CPUID_PSE36,
+ CPUID_PSE36 | CPUID_VME | CPUID_HT,
.ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 |
CPUID_EXT_POPCNT,
- /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
.ext2_features = (PPRO_FEATURES & EXT2_FEATURE_MASK) |
CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX |
CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT |
- CPUID_EXT2_FFXSR,
+ CPUID_EXT2_FFXSR | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP,
/* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
CPUID_EXT3_CR8LEG,
CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
.ext3_features = CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
+ .svm_features = CPUID_SVM_NPT | CPUID_SVM_LBRV,
.xlevel = 0x8000001A,
.model_id = "AMD Phenom(tm) 9550 Quad-Core Processor"
},
.family = 6,
.model = 15,
.stepping = 11,
- /* The original CPU also implements these features:
- CPUID_VME, CPUID_DTS, CPUID_ACPI, CPUID_SS, CPUID_HT,
- CPUID_TM, CPUID_PBE */
.features = PPRO_FEATURES |
CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
- CPUID_PSE36,
- /* The original CPU also implements these ext features:
- CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_EST,
- CPUID_EXT_TM2, CPUID_EXT_CX16, CPUID_EXT_XTPR, CPUID_EXT_PDCM */
- .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3,
+ CPUID_PSE36 | CPUID_VME | CPUID_DTS | CPUID_ACPI | CPUID_SS |
+ CPUID_HT | CPUID_TM | CPUID_PBE,
+ .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
+ CPUID_EXT_DTES64 | CPUID_EXT_DSCPL | CPUID_EXT_VMX | CPUID_EXT_EST |
+ CPUID_EXT_TM2 | CPUID_EXT_CX16 | CPUID_EXT_XTPR | CPUID_EXT_PDCM,
.ext2_features = CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
.ext3_features = CPUID_EXT3_LAHF_LM,
.xlevel = 0x80000008,
.xlevel = 0x80000004,
.model_id = "QEMU Virtual CPU version " QEMU_VERSION,
},
+ {
+ .name = "kvm32",
+ .level = 5,
+ .family = 15,
+ .model = 6,
+ .stepping = 1,
+ .features = PPRO_FEATURES |
+ CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_PSE36,
+ .ext_features = CPUID_EXT_SSE3,
+ .ext2_features = PPRO_FEATURES & EXT2_FEATURE_MASK,
+ .ext3_features = 0,
+ .xlevel = 0x80000008,
+ .model_id = "Common 32-bit KVM processor"
+ },
{
.name = "coreduo",
.level = 10,
.family = 6,
.model = 14,
.stepping = 8,
- /* The original CPU also implements these features:
- CPUID_DTS, CPUID_ACPI, CPUID_SS, CPUID_HT,
- CPUID_TM, CPUID_PBE */
.features = PPRO_FEATURES | CPUID_VME |
- CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA,
- /* The original CPU also implements these ext features:
- CPUID_EXT_VMX, CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_XTPR,
- CPUID_EXT_PDCM */
- .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR,
+ CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_DTS | CPUID_ACPI |
+ CPUID_SS | CPUID_HT | CPUID_TM | CPUID_PBE,
+ .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_VMX |
+ CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR | CPUID_EXT_PDCM,
.ext2_features = CPUID_EXT2_NX,
.xlevel = 0x80000008,
.model_id = "Genuine Intel(R) CPU T2600 @ 2.16GHz",
.model = 28,
.stepping = 2,
.features = PPRO_FEATURES |
- CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME,
- /* Missing: CPUID_DTS | CPUID_ACPI | CPUID_SS |
- * CPUID_HT | CPUID_TM | CPUID_PBE */
+ CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME | CPUID_DTS |
+ CPUID_ACPI | CPUID_SS | CPUID_HT | CPUID_TM | CPUID_PBE,
/* Some CPUs got no CPUID_SEP */
- .ext_features = CPUID_EXT_MONITOR |
- CPUID_EXT_SSE3 /* PNI */ | CPUID_EXT_SSSE3,
- /* Missing: CPUID_EXT_DSCPL | CPUID_EXT_EST |
- * CPUID_EXT_TM2 | CPUID_EXT_XTPR */
+ .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
+ CPUID_EXT_DSCPL | CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR,
.ext2_features = (PPRO_FEATURES & EXT2_FEATURE_MASK) | CPUID_EXT2_NX,
- /* Missing: .ext3_features = CPUID_EXT3_LAHF_LM */
+ .ext3_features = CPUID_EXT3_LAHF_LM,
.xlevel = 0x8000000A,
.model_id = "Intel(R) Atom(TM) CPU N270 @ 1.60GHz",
},
cpu_x86_fill_model_id(x86_cpu_def->model_id);
x86_cpu_def->vendor_override = 0;
+ /* Call Centaur's CPUID instruction. */
+ if (x86_cpu_def->vendor1 == CPUID_VENDOR_VIA_1 &&
+ x86_cpu_def->vendor2 == CPUID_VENDOR_VIA_2 &&
+ x86_cpu_def->vendor3 == CPUID_VENDOR_VIA_3) {
+ host_cpuid(0xC0000000, 0, &eax, &ebx, &ecx, &edx);
+ if (eax >= 0xC0000001) {
+ /* Support VIA max extended level */
+ x86_cpu_def->xlevel2 = eax;
+ host_cpuid(0xC0000001, 0, &eax, &ebx, &ecx, &edx);
+ x86_cpu_def->ext4_features = edx;
+ }
+ }
+
+ /*
+ * Every SVM feature requires emulation support in KVM - so we can't just
+ * read the host features here. KVM might even support SVM features not
+ * available on the host hardware. Just set all bits and mask out the
+ * unsupported ones later.
+ */
+ x86_cpu_def->svm_features = -1;
+
return 0;
}
~CPUID_EXT3_SVM, ext3_feature_name, 0x80000001}};
cpu_x86_fill_host(&host_def);
- for (rv = 0, i = 0; i < sizeof (ft) / sizeof (ft[0]); ++i)
+ for (rv = 0, i = 0; i < ARRAY_SIZE(ft); ++i)
for (mask = 1; mask; mask <<= 1)
if (ft[i].check_feat & mask && *ft[i].guest_feat & mask &&
!(*ft[i].host_feat & mask)) {
char *s = strdup(cpu_model);
char *featurestr, *name = strtok(s, ",");
- uint32_t plus_features = 0, plus_ext_features = 0, plus_ext2_features = 0, plus_ext3_features = 0, plus_kvm_features = 0;
- uint32_t minus_features = 0, minus_ext_features = 0, minus_ext2_features = 0, minus_ext3_features = 0, minus_kvm_features = 0;
+ /* Features to be added*/
+ uint32_t plus_features = 0, plus_ext_features = 0;
+ uint32_t plus_ext2_features = 0, plus_ext3_features = 0;
+ uint32_t plus_kvm_features = 0, plus_svm_features = 0;
+ /* Features to be removed */
+ uint32_t minus_features = 0, minus_ext_features = 0;
+ uint32_t minus_ext2_features = 0, minus_ext3_features = 0;
+ uint32_t minus_kvm_features = 0, minus_svm_features = 0;
uint32_t numvalue;
for (def = x86_defs; def; def = def->next)
add_flagname_to_bitmaps("hypervisor", &plus_features,
&plus_ext_features, &plus_ext2_features, &plus_ext3_features,
- &plus_kvm_features);
+ &plus_kvm_features, &plus_svm_features);
featurestr = strtok(NULL, ",");
while (featurestr) {
char *val;
if (featurestr[0] == '+') {
- add_flagname_to_bitmaps(featurestr + 1, &plus_features, &plus_ext_features, &plus_ext2_features, &plus_ext3_features, &plus_kvm_features);
+ add_flagname_to_bitmaps(featurestr + 1, &plus_features,
+ &plus_ext_features, &plus_ext2_features,
+ &plus_ext3_features, &plus_kvm_features,
+ &plus_svm_features);
} else if (featurestr[0] == '-') {
- add_flagname_to_bitmaps(featurestr + 1, &minus_features, &minus_ext_features, &minus_ext2_features, &minus_ext3_features, &minus_kvm_features);
+ add_flagname_to_bitmaps(featurestr + 1, &minus_features,
+ &minus_ext_features, &minus_ext2_features,
+ &minus_ext3_features, &minus_kvm_features,
+ &minus_svm_features);
} else if ((val = strchr(featurestr, '='))) {
*val = 0; val++;
if (!strcmp(featurestr, "family")) {
goto error;
}
if (numvalue < 0x80000000) {
- numvalue += 0x80000000;
+ numvalue += 0x80000000;
}
x86_cpu_def->xlevel = numvalue;
} else if (!strcmp(featurestr, "vendor")) {
x86_cpu_def->ext2_features |= plus_ext2_features;
x86_cpu_def->ext3_features |= plus_ext3_features;
x86_cpu_def->kvm_features |= plus_kvm_features;
+ x86_cpu_def->svm_features |= plus_svm_features;
x86_cpu_def->features &= ~minus_features;
x86_cpu_def->ext_features &= ~minus_ext_features;
x86_cpu_def->ext2_features &= ~minus_ext2_features;
x86_cpu_def->ext3_features &= ~minus_ext3_features;
x86_cpu_def->kvm_features &= ~minus_kvm_features;
+ x86_cpu_def->svm_features &= ~minus_svm_features;
if (check_cpuid) {
if (check_features_against_host(x86_cpu_def) && enforce_cpuid)
goto error;
* -?dump output all model (x86_def_t) data
* -?cpuid list all recognized cpuid flag names
*/
-void x86_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
- const char *optarg)
+void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf, const char *optarg)
{
unsigned char model = !strcmp("?model", optarg);
unsigned char dump = !strcmp("?dump", optarg);
{
x86_def_t def1, *def = &def1;
+ memset(def, 0, sizeof(*def));
+
if (cpu_x86_find_by_name(def, cpu_model) < 0)
return -1;
if (def->vendor1) {
env->cpuid_version |= ((def->model & 0xf) << 4) | ((def->model >> 4) << 16);
env->cpuid_version |= def->stepping;
env->cpuid_features = def->features;
- env->pat = 0x0007040600070406ULL;
env->cpuid_ext_features = def->ext_features;
env->cpuid_ext2_features = def->ext2_features;
env->cpuid_ext3_features = def->ext3_features;
env->cpuid_xlevel = def->xlevel;
env->cpuid_kvm_features = def->kvm_features;
+ env->cpuid_svm_features = def->svm_features;
+ env->cpuid_ext4_features = def->ext4_features;
+ env->cpuid_xlevel2 = def->xlevel2;
if (!kvm_enabled()) {
env->cpuid_features &= TCG_FEATURES;
env->cpuid_ext_features &= TCG_EXT_FEATURES;
#endif
);
env->cpuid_ext3_features &= TCG_EXT3_FEATURES;
+ env->cpuid_svm_features &= TCG_SVM_FEATURES;
}
{
const char *model_id = def->model_id;
x86_defs = def;
return (0);
}
+
+void cpu_clear_apic_feature(CPUX86State *env)
+{
+ env->cpuid_features &= ~CPUID_APIC;
+}
+
#endif /* !CONFIG_USER_ONLY */
/* register "cpudef" models defined in configuration file. Here we first
x86_defs = &builtin_x86_defs[i];
}
#if !defined(CONFIG_USER_ONLY)
- qemu_opts_foreach(&qemu_cpudef_opts, cpudef_register, NULL, 0);
+ qemu_opts_foreach(qemu_find_opts("cpudef"), cpudef_register, NULL, 0);
#endif
}
* this if you want to use KVM's sysenter/syscall emulation
* in compatibility mode and when doing cross vendor migration
*/
- if (kvm_enabled() && env->cpuid_vendor_override) {
+ if (kvm_enabled() && ! env->cpuid_vendor_override) {
host_cpuid(0, 0, NULL, ebx, ecx, edx);
}
}
{
/* test if maximum index reached */
if (index & 0x80000000) {
- if (index > env->cpuid_xlevel)
- index = env->cpuid_level;
+ if (index > env->cpuid_xlevel) {
+ if (env->cpuid_xlevel2 > 0) {
+ /* Handle the Centaur's CPUID instruction. */
+ if (index > env->cpuid_xlevel2) {
+ index = env->cpuid_xlevel2;
+ } else if (index < 0xC0000000) {
+ index = env->cpuid_xlevel;
+ }
+ } else {
+ index = env->cpuid_xlevel;
+ }
+ }
} else {
if (index > env->cpuid_level)
index = env->cpuid_level;
case 4:
/* cache info: needed for Core compatibility */
if (env->nr_cores > 1) {
- *eax = (env->nr_cores - 1) << 26;
+ *eax = (env->nr_cores - 1) << 26;
} else {
- *eax = 0;
+ *eax = 0;
}
switch (count) {
case 0: /* L1 dcache info */
*ecx = 0;
*edx = 0;
break;
+ case 7:
+ if (kvm_enabled()) {
+ KVMState *s = env->kvm_state;
+
+ *eax = kvm_arch_get_supported_cpuid(s, 0x7, count, R_EAX);
+ *ebx = kvm_arch_get_supported_cpuid(s, 0x7, count, R_EBX);
+ *ecx = kvm_arch_get_supported_cpuid(s, 0x7, count, R_ECX);
+ *edx = kvm_arch_get_supported_cpuid(s, 0x7, count, R_EDX);
+ } 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 */
*ecx = 0;
*edx = 0;
break;
+ case 0xD:
+ /* Processor Extended State */
+ if (!(env->cpuid_ext_features & CPUID_EXT_XSAVE)) {
+ *eax = 0;
+ *ebx = 0;
+ *ecx = 0;
+ *edx = 0;
+ break;
+ }
+ if (kvm_enabled()) {
+ KVMState *s = env->kvm_state;
+
+ *eax = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EAX);
+ *ebx = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EBX);
+ *ecx = kvm_arch_get_supported_cpuid(s, 0xd, count, R_ECX);
+ *edx = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EDX);
+ } else {
+ *eax = 0;
+ *ebx = 0;
+ *ecx = 0;
+ *edx = 0;
+ }
+ break;
case 0x80000000:
*eax = env->cpuid_xlevel;
*ebx = env->cpuid_vendor1;
*ecx |= 1 << 1; /* CmpLegacy bit */
}
}
-
- if (kvm_enabled()) {
- /* Nested SVM not yet supported in upstream QEMU */
- *ecx &= ~CPUID_EXT3_SVM;
- }
break;
case 0x80000002:
case 0x80000003:
}
break;
case 0x8000000A:
- *eax = 0x00000001; /* SVM Revision */
- *ebx = 0x00000010; /* nr of ASIDs */
+ if (env->cpuid_ext3_features & CPUID_EXT3_SVM) {
+ *eax = 0x00000001; /* SVM Revision */
+ *ebx = 0x00000010; /* nr of ASIDs */
+ *ecx = 0;
+ *edx = env->cpuid_svm_features; /* optional features */
+ } else {
+ *eax = 0;
+ *ebx = 0;
+ *ecx = 0;
+ *edx = 0;
+ }
+ break;
+ case 0xC0000000:
+ *eax = env->cpuid_xlevel2;
+ *ebx = 0;
+ *ecx = 0;
+ *edx = 0;
+ break;
+ case 0xC0000001:
+ /* Support for VIA CPU's CPUID instruction */
+ *eax = env->cpuid_version;
+ *ebx = 0;
+ *ecx = 0;
+ *edx = env->cpuid_ext4_features;
+ break;
+ case 0xC0000002:
+ case 0xC0000003:
+ case 0xC0000004:
+ /* Reserved for the future, and now filled with zero */
+ *eax = 0;
+ *ebx = 0;
*ecx = 0;
- *edx = 0; /* optional features */
+ *edx = 0;
break;
default:
/* reserved values: zero */