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-rw-r--r--target-i386/kvm.c60
1 files changed, 20 insertions, 40 deletions
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 4f437c2..2de8b81 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -41,12 +41,11 @@ int kvm_arch_init_vcpu(CPUState *env)
struct kvm_cpuid_entry2 entries[100];
} __attribute__((packed)) cpuid_data;
uint32_t limit, i, j, cpuid_i;
- uint32_t eax, ebx, ecx, edx;
+ uint32_t unused;
cpuid_i = 0;
- cpu_x86_cpuid(env, 0, 0, &eax, &ebx, &ecx, &edx);
- limit = eax;
+ cpu_x86_cpuid(env, 0, 0, &limit, &unused, &unused, &unused);
for (i = 0; i <= limit; i++) {
struct kvm_cpuid_entry2 *c = &cpuid_data.entries[cpuid_i++];
@@ -56,26 +55,17 @@ int kvm_arch_init_vcpu(CPUState *env)
/* Keep reading function 2 till all the input is received */
int times;
- cpu_x86_cpuid(env, i, 0, &eax, &ebx, &ecx, &edx);
- times = eax & 0xff;
-
c->function = i;
- c->flags |= KVM_CPUID_FLAG_STATEFUL_FUNC;
- c->flags |= KVM_CPUID_FLAG_STATE_READ_NEXT;
- c->eax = eax;
- c->ebx = ebx;
- c->ecx = ecx;
- c->edx = edx;
+ c->flags = KVM_CPUID_FLAG_STATEFUL_FUNC |
+ KVM_CPUID_FLAG_STATE_READ_NEXT;
+ cpu_x86_cpuid(env, i, 0, &c->eax, &c->ebx, &c->ecx, &c->edx);
+ times = c->eax & 0xff;
for (j = 1; j < times; ++j) {
- cpu_x86_cpuid(env, i, 0, &eax, &ebx, &ecx, &edx);
+ c = &cpuid_data.entries[cpuid_i++];
c->function = i;
- c->flags |= KVM_CPUID_FLAG_STATEFUL_FUNC;
- c->eax = eax;
- c->ebx = ebx;
- c->ecx = ecx;
- c->edx = edx;
- c = &cpuid_data.entries[++cpuid_i];
+ c->flags = KVM_CPUID_FLAG_STATEFUL_FUNC;
+ cpu_x86_cpuid(env, i, 0, &c->eax, &c->ebx, &c->ecx, &c->edx);
}
break;
}
@@ -83,46 +73,36 @@ int kvm_arch_init_vcpu(CPUState *env)
case 0xb:
case 0xd:
for (j = 0; ; j++) {
- cpu_x86_cpuid(env, i, j, &eax, &ebx, &ecx, &edx);
c->function = i;
c->flags = KVM_CPUID_FLAG_SIGNIFCANT_INDEX;
c->index = j;
- c->eax = eax;
- c->ebx = ebx;
- c->ecx = ecx;
- c->edx = edx;
- c = &cpuid_data.entries[++cpuid_i];
+ cpu_x86_cpuid(env, i, j, &c->eax, &c->ebx, &c->ecx, &c->edx);
- if (i == 4 && eax == 0)
+ if (i == 4 && c->eax == 0)
break;
- if (i == 0xb && !(ecx & 0xff00))
+ if (i == 0xb && !(c->ecx & 0xff00))
break;
- if (i == 0xd && eax == 0)
+ if (i == 0xd && c->eax == 0)
break;
+
+ c = &cpuid_data.entries[cpuid_i++];
}
break;
default:
- cpu_x86_cpuid(env, i, 0, &eax, &ebx, &ecx, &edx);
c->function = i;
- c->eax = eax;
- c->ebx = ebx;
- c->ecx = ecx;
- c->edx = edx;
+ c->flags = 0;
+ cpu_x86_cpuid(env, i, 0, &c->eax, &c->ebx, &c->ecx, &c->edx);
break;
}
}
- cpu_x86_cpuid(env, 0x80000000, 0, &eax, &ebx, &ecx, &edx);
- limit = eax;
+ cpu_x86_cpuid(env, 0x80000000, 0, &limit, &unused, &unused, &unused);
for (i = 0x80000000; i <= limit; i++) {
struct kvm_cpuid_entry2 *c = &cpuid_data.entries[cpuid_i++];
- cpu_x86_cpuid(env, i, 0, &eax, &ebx, &ecx, &edx);
c->function = i;
- c->eax = eax;
- c->ebx = ebx;
- c->ecx = ecx;
- c->edx = edx;
+ c->flags = 0;
+ cpu_x86_cpuid(env, i, 0, &c->eax, &c->ebx, &c->ecx, &c->edx);
}
cpuid_data.cpuid.nent = cpuid_i;