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| author | Sheng Yang <sheng@linux.intel.com> | 2010-06-17 15:18:13 +0800 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2010-06-28 13:06:03 -0300 |
| commit | c958a8bd9b53371d4431ceabf55b21a0d0a557f2 (patch) | |
| tree | 05eff6fe60a2dcc45438fbb3b5990f23839f6469 /target-i386 | |
| parent | 8935499831312ec3e108287d3d49614915847ab2 (diff) | |
| download | qemu-c958a8bd9b53371d4431ceabf55b21a0d0a557f2.tar.gz | |
kvm: Extend kvm_arch_get_supported_cpuid() to support index
Would use it later for XSAVE related CPUID.
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'target-i386')
| -rw-r--r-- | target-i386/kvm.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/target-i386/kvm.c b/target-i386/kvm.c index 545323961a..2b14ff558c 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -71,7 +71,8 @@ static struct kvm_cpuid2 *try_get_cpuid(KVMState *s, int max) return cpuid; } -uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function, int reg) +uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function, + uint32_t index, int reg) { struct kvm_cpuid2 *cpuid; int i, max; @@ -88,7 +89,8 @@ uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function, int reg) } for (i = 0; i < cpuid->nent; ++i) { - if (cpuid->entries[i].function == function) { + if (cpuid->entries[i].function == function && + cpuid->entries[i].index == index) { switch (reg) { case R_EAX: ret = cpuid->entries[i].eax; @@ -110,7 +112,7 @@ uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function, int reg) /* On Intel, kvm returns cpuid according to the Intel spec, * so add missing bits according to the AMD spec: */ - cpuid_1_edx = kvm_arch_get_supported_cpuid(env, 1, R_EDX); + cpuid_1_edx = kvm_arch_get_supported_cpuid(env, 1, 0, R_EDX); ret |= cpuid_1_edx & 0x183f7ff; break; } @@ -126,7 +128,8 @@ uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function, int reg) #else -uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function, int reg) +uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function, + uint32_t index, int reg) { return -1U; } @@ -178,16 +181,16 @@ int kvm_arch_init_vcpu(CPUState *env) env->mp_state = KVM_MP_STATE_RUNNABLE; - env->cpuid_features &= kvm_arch_get_supported_cpuid(env, 1, R_EDX); + env->cpuid_features &= kvm_arch_get_supported_cpuid(env, 1, 0, R_EDX); i = env->cpuid_ext_features & CPUID_EXT_HYPERVISOR; - env->cpuid_ext_features &= kvm_arch_get_supported_cpuid(env, 1, R_ECX); + env->cpuid_ext_features &= kvm_arch_get_supported_cpuid(env, 1, 0, R_ECX); env->cpuid_ext_features |= i; env->cpuid_ext2_features &= kvm_arch_get_supported_cpuid(env, 0x80000001, - R_EDX); + 0, R_EDX); env->cpuid_ext3_features &= kvm_arch_get_supported_cpuid(env, 0x80000001, - R_ECX); + 0, R_ECX); cpuid_i = 0; |