From nobody Tue Feb 10 04:15:40 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1618828449; cv=none; d=zohomail.com; s=zohoarc; b=ZUvqsexnA6FcOiJ+m47k+39uhIS3vIwy5LxbQM8QRmFWnxJiP1QqwCHjgOwa29Yh/+6KmEflak1ovqLMoiNsVfEYpVB3Drcz2W8tzBK3B1iGqYssjc7g38BrmGCf7imOFj75X/rE+qDJxbOwL42jAIN7f2B5ZdRVEv/kVW2w23k= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1618828449; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=VWjjGBcQDHZSERI884gwwORuub1/ywtAs0DhvbSrVe4=; b=GvPan9u/RXf1DE4SUCQtzSGG1eIsMzSF3nqCubAPaUpHYR2qBZK68fNTwB/LWX8OiRqG+tdQ0bXJb2vt5u/vIjX009Ud5eWPrazDh2LvjwdHBgQX0Y8potxaKscKcc6aphTEm66rPfFelXiD5Twn5eHfd5AdUlb4K2aB5EVwRsE= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1618828449856487.4884264953232; Mon, 19 Apr 2021 03:34:09 -0700 (PDT) Received: from localhost ([::1]:46722 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lYREG-0007kp-6l for importer@patchew.org; Mon, 19 Apr 2021 06:34:08 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:32872) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lYR3K-0003yS-3Z for qemu-devel@nongnu.org; Mon, 19 Apr 2021 06:22:51 -0400 Received: from mga17.intel.com ([192.55.52.151]:24095) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lYR3H-00023F-Rj for qemu-devel@nongnu.org; Mon, 19 Apr 2021 06:22:49 -0400 Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Apr 2021 03:22:42 -0700 Received: from icx-2s.bj.intel.com ([10.240.192.119]) by fmsmga008.fm.intel.com with ESMTP; 19 Apr 2021 03:22:41 -0700 IronPort-SDR: IkP3Zn3n2S25weWY0LrXizCdObM1mNC2d2V01r+21FqeN5SMHZR/maQm6YUOWJmtnFFoCEcpSC 5ot2tIx4RxnQ== X-IronPort-AV: E=McAfee;i="6200,9189,9958"; a="175409275" X-IronPort-AV: E=Sophos;i="5.82,233,1613462400"; d="scan'208";a="175409275" IronPort-SDR: Mgbx037P0gUapnh3uL3Fc0B1Z8fHJu9Vz/abNbC8kZetS5uI1WzTzdV7AnB5Ac4CDQiILJQdXh NwI0yE8iKNnw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,233,1613462400"; d="scan'208";a="419947339" From: Yang Zhong To: qemu-devel@nongnu.org Subject: [PATCH 08/32] i386: Add SGX CPUID leaf FEAT_SGX_12_0_EBX Date: Mon, 19 Apr 2021 18:01:32 +0800 Message-Id: <20210419100156.53504-9-yang.zhong@intel.com> X-Mailer: git-send-email 2.29.2.334.gfaefdd61ec In-Reply-To: <20210419100156.53504-1-yang.zhong@intel.com> References: <20210419100156.53504-1-yang.zhong@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=192.55.52.151; envelope-from=yang.zhong@intel.com; helo=mga17.intel.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: yang.zhong@intel.com, pbonzini@redhat.com, kai.huang@intel.com, seanjc@google.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Sean Christopherson CPUID leaf 12_0_EBX is an Intel-defined feature bits leaf enumerating the platform's SGX extended capabilities. Currently there is a single capabilitiy: - EXINFO: record information about #PFs and #GPs in the enclave's SSA Signed-off-by: Sean Christopherson Signed-off-by: Yang Zhong --- target/i386/cpu.c | 21 +++++++++++++++++++++ target/i386/cpu.h | 1 + 2 files changed, 22 insertions(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 5443f69fa5..e723f52e22 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -677,6 +677,7 @@ static void x86_cpu_vendor_words2str(char *dst, uint32_= t vendor1, CPUID_XSAVE_XSAVEC, CPUID_XSAVE_XSAVES */ #define TCG_14_0_ECX_FEATURES 0 #define TCG_SGX_12_0_EAX_FEATURES 0 +#define TCG_SGX_12_0_EBX_FEATURES 0 =20 typedef enum FeatureWordType { CPUID_FEATURE_WORD, @@ -1345,6 +1346,26 @@ static FeatureWordInfo feature_word_info[FEATURE_WOR= DS] =3D { }, .tcg_features =3D TCG_SGX_12_0_EAX_FEATURES, }, + + [FEAT_SGX_12_0_EBX] =3D { + .type =3D CPUID_FEATURE_WORD, + .feat_names =3D { + "sgx-exinfo" , NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + }, + .cpuid =3D { + .eax =3D 0x12, + .needs_ecx =3D true, .ecx =3D 0, + .reg =3D R_EBX, + }, + .tcg_features =3D TCG_SGX_12_0_EBX_FEATURES, + }, }; =20 typedef struct FeatureMask { diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 3e6a9b8e6c..4ab3bc4fac 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -550,6 +550,7 @@ typedef enum FeatureWord { FEAT_VMX_VMFUNC, FEAT_14_0_ECX, FEAT_SGX_12_0_EAX, /* CPUID[EAX=3D0x12,ECX=3D0].EAX (SGX) */ + FEAT_SGX_12_0_EBX, /* CPUID[EAX=3D0x12,ECX=3D0].EBX (SGX MISCSELECT[3= 1:0]) */ FEATURE_WORDS, } FeatureWord; =20 --=20 2.29.2.334.gfaefdd61ec