From nobody Tue Feb 10 02:49:45 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=1620715125; cv=none; d=zohomail.com; s=zohoarc; b=Evl/97xA4zyTVce0nh4dSgVZJK/KnpxdX4Vslg8geqsYg3e1k3CCyH2TZkhS0WB3tZm/X1D1Ls8iaqLq6Xq9srU7xkZ6dCu1plW3d4fsilDAQWVy6N8WBcz8LNcjtKJYlnQM/Mk9MNHSzRl9vVJoapGe3oGMKlvZEF2WljKcbfk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1620715125; 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=dy4/M9fMJd9nZT2xS7rhGyOIH/y8ODEIlnjD7Z9YE5o=; b=gBZLy8qNCVXtf6cdicZmLp9U/aRxDavutgay/pGSLYbabmJhYxroBTe+GcPerEAIQ8mBOOWaFwi0cwx87og7UW+5ndh3lH2oOLtJ6eYcTvZS9xV0/EIZYoQSAkUWEBsVN80Qv+D7WJ3szmk3Amr0vi7MDmCF3UI2QZVMtm9QEr0= 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 1620715125078835.5876190391231; Mon, 10 May 2021 23:38:45 -0700 (PDT) Received: from localhost ([::1]:52542 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lgM2W-00038U-4R for importer@patchew.org; Tue, 11 May 2021 02:38:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40446) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lgLs3-0005ux-KL for qemu-devel@nongnu.org; Tue, 11 May 2021 02:27:56 -0400 Received: from mga06.intel.com ([134.134.136.31]:46441) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lgLs1-0004it-Dc for qemu-devel@nongnu.org; Tue, 11 May 2021 02:27:55 -0400 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2021 23:27:44 -0700 Received: from icx-2s.bj.intel.com ([10.240.192.119]) by orsmga003.jf.intel.com with ESMTP; 10 May 2021 23:27:42 -0700 IronPort-SDR: DnPkTm0l4aCjoEwe8zSRdRP8YUOdxDl7zCZ3VG48VV/TGHFL5uFrOUR9H5TC6oZ7Pfrg88bvAY ofwg0RrtSFhw== X-IronPort-AV: E=McAfee;i="6200,9189,9980"; a="260631503" X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="260631503" IronPort-SDR: +JRDKasOIb29KiS7dHoKSUR3WF5GpN+S4A0fcHP/sQodY3WImAv1fw+1jtGxUYx8sZeqpLZA5M FlGKSB6PIZlQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="391281140" From: Yang Zhong To: qemu-devel@nongnu.org Subject: [PATCH v2 08/32] i386: Add SGX CPUID leaf FEAT_SGX_12_0_EBX Date: Tue, 11 May 2021 14:20:27 +0800 Message-Id: <20210511062051.41948-9-yang.zhong@intel.com> X-Mailer: git-send-email 2.29.2.334.gfaefdd61ec In-Reply-To: <20210511062051.41948-1-yang.zhong@intel.com> References: <20210511062051.41948-1-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=134.134.136.31; envelope-from=yang.zhong@intel.com; helo=mga06.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 db946cf044..bb8db45948 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