diff options
Diffstat (limited to 'target-i386')
| -rw-r--r-- | target-i386/kvm.c | 60 |
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; |