From nobody Mon Feb 9 09:16:43 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=1619764897; cv=none; d=zohomail.com; s=zohoarc; b=DNt6AkajQNgelELHy1CuNDjvPatwy3R3TqALR8g9FL1O8eDBPguzJtyVQAHko08dqPSxnW2KZZtBI2dF1Z+nvo1SKAQqfam7bPRO3dKixY3u9FRjTF68xl99cfZ59nOw3bFObhLX8pjryV2jZid4hvXXDKnxpGtgG4W6Btd0GfM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1619764897; 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=CNDucXBLz3HFR8Pyvq0UFw5JDaRb/EpB5Zk7CkWHy20=; b=iU+Od6R4/Y+MkFAgCB7Hpp0h4z6RDWMtWjqjlkEGSU8xuzCb/niU/6bjvhOrzPwAq9jcnwtgB+LqHNq6V7nQv++XtgTRRrvp33m4aOGbIWURE+VHc7/GRPBXISsYxZ2wSCqqtUQ7+mQ0YAORUr6VM6LcJ+ZogI7ibIejvc0B7Eg= 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 1619764897601365.75673419748284; Thu, 29 Apr 2021 23:41:37 -0700 (PDT) Received: from localhost ([::1]:37690 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lcMqF-0008Nj-2k for importer@patchew.org; Fri, 30 Apr 2021 02:41:35 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45734) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lcMdr-0004Pu-07 for qemu-devel@nongnu.org; Fri, 30 Apr 2021 02:28:50 -0400 Received: from mga11.intel.com ([192.55.52.93]:63447) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lcMdh-00017U-NY for qemu-devel@nongnu.org; Fri, 30 Apr 2021 02:28:46 -0400 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Apr 2021 23:28:28 -0700 Received: from icx-2s.bj.intel.com ([10.240.192.119]) by orsmga003.jf.intel.com with ESMTP; 29 Apr 2021 23:28:26 -0700 IronPort-SDR: +fSxKvdtfyPYxIyjSUnKVhAJsOJru7h7bcXi6u+q5tcowiA+wfhVORyr2VKd1j/y0Akt+dv8th 2OH64Qh3CD9w== X-IronPort-AV: E=McAfee;i="6200,9189,9969"; a="194023061" X-IronPort-AV: E=Sophos;i="5.82,260,1613462400"; d="scan'208";a="194023061" IronPort-SDR: HEnlWbLSLR2zzAA7kVCGWzCtiyAlR+QsGl2Ilco95YWWjdlpUhz/YjSCyIfuMrnZHD0/ZdxY2c qtPYGBDanqRw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,260,1613462400"; d="scan'208";a="387258469" From: Yang Zhong To: qemu-devel@nongnu.org Subject: [RESEND PATCH 08/32] i386: Add SGX CPUID leaf FEAT_SGX_12_0_EBX Date: Fri, 30 Apr 2021 14:24:31 +0800 Message-Id: <20210430062455.8117-9-yang.zhong@intel.com> X-Mailer: git-send-email 2.29.2.334.gfaefdd61ec In-Reply-To: <20210430062455.8117-1-yang.zhong@intel.com> References: <20210430062455.8117-1-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=192.55.52.93; envelope-from=yang.zhong@intel.com; helo=mga11.intel.com X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, 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 7aba71a982..a3c91d5848 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