From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sheng Yang Subject: [PATCH 2/2] qemu: Enable XSAVE related CPUID Date: Tue, 1 Jun 2010 10:39:45 +0800 Message-ID: <1275359985-1273-2-git-send-email-sheng@linux.intel.com> References: <1275359985-1273-1-git-send-email-sheng@linux.intel.com> Cc: Anthony Liguori , kvm@vger.kernel.org, Sheng Yang To: Avi Kivity , Marcelo Tosatti Return-path: Received: from mga09.intel.com ([134.134.136.24]:25465 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753232Ab0FACkP (ORCPT ); Mon, 31 May 2010 22:40:15 -0400 In-Reply-To: <1275359985-1273-1-git-send-email-sheng@linux.intel.com> Sender: kvm-owner@vger.kernel.org List-ID: We can support it in KVM now. The 0xd leaf is queried from KVM. Signed-off-by: Sheng Yang --- 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 eebf038..ec47950 100644 --- a/target-i386/cpuid.c +++ b/target-i386/cpuid.c @@ -1067,6 +1067,27 @@ 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; -- 1.7.0.1