| Message ID | 1276140663-29954-2-git-send-email-sheng@linux.intel.com |
|---|---|
| State | New |
| Headers | show |
On Thursday 10 June 2010 11:31:02 Sheng Yang wrote: > We can support it in KVM now. The 0xd leaf is queried from KVM. Hi Marcelo & Avi How about patch 1 and 2 in this series? They are used to enable XSAVE cpuid. -- regards Yang, Sheng > > Signed-off-by: Sheng Yang <sheng@linux.intel.com> > --- > target-i386/cpuid.c | 21 +++++++++++++++++++++ > 1 files changed, 21 insertions(+), 0 deletions(-) > > diff --git a/target-i386/cpuid.c b/target-i386/cpuid.c > index fb78061..26e4054 100644 > --- a/target-i386/cpuid.c > +++ b/target-i386/cpuid.c > @@ -1081,6 +1081,27 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, > uint32_t count, *ecx = 0; > *edx = 0; > break; > + case 0xD: > + /* Processor Extended State */ > + if (!(env->cpuid_ext_features & CPUID_EXT_XSAVE)) { > + *eax = 0; > + *ebx = 0; > + *ecx = 0; > + *edx = 0; > + break; > + } > + if (kvm_enabled()) { > + *eax = kvm_arch_get_supported_cpuid(env, 0xd, count, R_EAX); > + *ebx = kvm_arch_get_supported_cpuid(env, 0xd, count, R_EBX); > + *ecx = kvm_arch_get_supported_cpuid(env, 0xd, count, R_ECX); > + *edx = kvm_arch_get_supported_cpuid(env, 0xd, count, R_EDX); > + } else { > + *eax = 0; > + *ebx = 0; > + *ecx = 0; > + *edx = 0; > + } > + break; > case 0x80000000: > *eax = env->cpuid_xlevel; > *ebx = env->cpuid_vendor1;
On Wed, Jun 16, 2010 at 10:59:07PM +0800, Sheng Yang wrote: > On Thursday 10 June 2010 11:31:02 Sheng Yang wrote: > > We can support it in KVM now. The 0xd leaf is queried from KVM. > > Hi Marcelo & Avi > > How about patch 1 and 2 in this series? They are used to enable XSAVE cpuid. Applied.
diff --git a/target-i386/cpuid.c b/target-i386/cpuid.c index fb78061..26e4054 100644 --- a/target-i386/cpuid.c +++ b/target-i386/cpuid.c @@ -1081,6 +1081,27 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, *ecx = 0; *edx = 0; break; + case 0xD: + /* Processor Extended State */ + if (!(env->cpuid_ext_features & CPUID_EXT_XSAVE)) { + *eax = 0; + *ebx = 0; + *ecx = 0; + *edx = 0; + break; + } + if (kvm_enabled()) { + *eax = kvm_arch_get_supported_cpuid(env, 0xd, count, R_EAX); + *ebx = kvm_arch_get_supported_cpuid(env, 0xd, count, R_EBX); + *ecx = kvm_arch_get_supported_cpuid(env, 0xd, count, R_ECX); + *edx = kvm_arch_get_supported_cpuid(env, 0xd, count, R_EDX); + } else { + *eax = 0; + *ebx = 0; + *ecx = 0; + *edx = 0; + } + break; case 0x80000000: *eax = env->cpuid_xlevel; *ebx = env->cpuid_vendor1;
We can support it in KVM now. The 0xd leaf is queried from KVM. Signed-off-by: Sheng Yang <sheng@linux.intel.com> --- target-i386/cpuid.c | 21 +++++++++++++++++++++ 1 files changed, 21 insertions(+), 0 deletions(-)