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target-i386: Use FeatureWord loop on filter_features_for_kvm() 

Instead of open-coding the filtering code for each feature word, change
the existing code to use the feature_word_info array, that has exactly
the same CPUID eax/ecx/register values for each feature word.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Eduardo Habkost 2013-04-22 16:00:18 -03:00 committed by Andreas Färber
parent 04d104b611
commit bd87d2a2c0
1 changed files with 7 additions and 17 deletions
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24
target-i386/cpu.c
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@ -1651,24 +1651,14 @@ static void filter_features_for_kvm(X86CPU *cpu)
{ {
CPUX86State *env = &cpu->env; CPUX86State *env = &cpu->env;
KVMState *s = kvm_state; KVMState *s = kvm_state;
FeatureWord w;
env->features[FEAT_1_EDX] &= for (w = 0; w < FEATURE_WORDS; w++) {
kvm_arch_get_supported_cpuid(s, 1, 0, R_EDX); FeatureWordInfo *wi = &feature_word_info[w];
env->features[FEAT_1_ECX] &= env->features[w] &= kvm_arch_get_supported_cpuid(s, wi->cpuid_eax,
kvm_arch_get_supported_cpuid(s, 1, 0, R_ECX); wi->cpuid_ecx,
env->features[FEAT_8000_0001_EDX] &= wi->cpuid_reg);
kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_EDX); }
env->features[FEAT_8000_0001_ECX] &=
kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_ECX);
env->features[FEAT_SVM] &=
kvm_arch_get_supported_cpuid(s, 0x8000000A, 0, R_EDX);
env->features[FEAT_7_0_EBX] &=
kvm_arch_get_supported_cpuid(s, 7, 0, R_EBX);
env->features[FEAT_KVM] &=
kvm_arch_get_supported_cpuid(s, KVM_CPUID_FEATURES, 0, R_EAX);
env->features[FEAT_C000_0001_EDX] &=
kvm_arch_get_supported_cpuid(s, 0xC0000001, 0, R_EDX);
} }
#endif #endif