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authorSheng Yang <sheng@linux.intel.com>2010-06-17 15:18:13 +0800
committerMarcelo Tosatti <mtosatti@redhat.com>2010-06-28 13:06:03 -0300
commitc958a8bd9b53371d4431ceabf55b21a0d0a557f2 (patch)
tree05eff6fe60a2dcc45438fbb3b5990f23839f6469 /target-i386
parent8935499831312ec3e108287d3d49614915847ab2 (diff)
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.c19
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;