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Diffstat (limited to 'target-i386')
-rw-r--r--target-i386/cpu.c36
1 files changed, 18 insertions, 18 deletions
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 3e1dad79d0..d789cba102 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -1263,8 +1263,9 @@ static void report_unavailable_features(FeatureWord w, uint32_t mask)
if (1 << i & mask) {
const char *reg = get_register_name_32(f->cpuid_reg);
assert(reg);
- fprintf(stderr, "warning: host doesn't support requested feature: "
+ 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);
@@ -1829,17 +1830,20 @@ static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w)
{
FeatureWordInfo *wi = &feature_word_info[w];
- assert(kvm_enabled());
- return kvm_arch_get_supported_cpuid(kvm_state, wi->cpuid_eax,
- wi->cpuid_ecx,
- wi->cpuid_reg);
+ if (kvm_enabled()) {
+ return kvm_arch_get_supported_cpuid(kvm_state, wi->cpuid_eax,
+ wi->cpuid_ecx,
+ wi->cpuid_reg);
+ } else if (tcg_enabled()) {
+ return wi->tcg_features;
+ } else {
+ return ~0;
+ }
}
/*
* Filters CPU feature words based on host availability of each feature.
*
- * This function may be called only if KVM is enabled.
- *
* Returns: 0 if all flags are supported by the host, non-zero otherwise.
*/
static int x86_cpu_filter_features(X86CPU *cpu)
@@ -2596,17 +2600,13 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
& CPUID_EXT2_AMD_ALIASES);
}
- if (!kvm_enabled()) {
- FeatureWord w;
- for (w = 0; w < FEATURE_WORDS; w++) {
- env->features[w] &= feature_word_info[w].tcg_features;
- }
- } else {
- if (x86_cpu_filter_features(cpu) && cpu->enforce_cpuid) {
- error_setg(&local_err,
- "Host's CPU doesn't support requested features");
- goto out;
- }
+
+ 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;
}
#ifndef CONFIG_USER_ONLY