From patchwork Thu Jun 10 03:31:02 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sheng Yang X-Patchwork-Id: 55145 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 8893AB7D5B for ; Thu, 10 Jun 2010 13:35:08 +1000 (EST) Received: from localhost ([127.0.0.1]:59935 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OMYXo-0003Dj-7M for incoming@patchwork.ozlabs.org; Wed, 09 Jun 2010 23:35:04 -0400 Received: from [140.186.70.92] (port=54365 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OMYWv-0003C6-DH for qemu-devel@nongnu.org; Wed, 09 Jun 2010 23:34:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OMYWu-0000EO-Dp for qemu-devel@nongnu.org; Wed, 09 Jun 2010 23:34:09 -0400 Received: from mga11.intel.com ([192.55.52.93]:32437) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OMYWu-0000Dv-8C for qemu-devel@nongnu.org; Wed, 09 Jun 2010 23:34:08 -0400 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP; 09 Jun 2010 20:30:36 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.53,395,1272870000"; d="scan'208";a="574996346" Received: from syang10-desktop.sh.intel.com (HELO syang10-desktop) ([10.239.36.64]) by fmsmga002.fm.intel.com with ESMTP; 09 Jun 2010 20:32:46 -0700 Received: from yasker by syang10-desktop with local (Exim 4.71) (envelope-from ) id 1OMYTw-0007nd-JR; Thu, 10 Jun 2010 11:31:04 +0800 From: Sheng Yang To: Avi Kivity , Marcelo Tosatti , Anthony Liguori Date: Thu, 10 Jun 2010 11:31:02 +0800 Message-Id: <1276140663-29954-2-git-send-email-sheng@linux.intel.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1276140663-29954-1-git-send-email-sheng@linux.intel.com> References: <1276140663-29954-1-git-send-email-sheng@linux.intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, Sheng Yang Subject: [Qemu-devel] [PATCH 2/3] qemu: Enable XSAVE related CPUID X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org 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 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;