From nobody Mon Feb 9 02:12:25 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) client-ip=66.175.222.108; envelope-from=bounce+27952+71809+1787277+3901457@groups.io; helo=mail02.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+71809+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1613710097587887.6800446388171; Thu, 18 Feb 2021 20:48:17 -0800 (PST) Return-Path: X-Received: by 127.0.0.2 with SMTP id BwOFYY1788612xU0HiI3FrQ0; Thu, 18 Feb 2021 20:48:17 -0800 X-Received: from mga17.intel.com (mga17.intel.com []) by mx.groups.io with SMTP id smtpd.web09.4553.1613710085522905002 for ; Thu, 18 Feb 2021 20:48:06 -0800 IronPort-SDR: ScIfriJKHiegzHLaUK+kmyRCNSNpJxTAy4gRcStSoAaAbmSnamMF/MCWWjkXXS/dfpce9ro9Ov /gyaQdnZhu9w== X-IronPort-AV: E=McAfee;i="6000,8403,9899"; a="163517750" X-IronPort-AV: E=Sophos;i="5.81,189,1610438400"; d="scan'208";a="163517750" X-Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Feb 2021 20:48:02 -0800 IronPort-SDR: G7TfrTP4U18YQW2ykAftdMtRlaF6gmjPgOMwquard87w5efj17HfyCY5BhnVB2B2ZPPS5CyXT9 J/FAYiwm4ztg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,189,1610438400"; d="scan'208";a="495894856" X-Received: from unknown (HELO shwdeSSSDDPDWEI.ccr.corp.intel.com) ([10.239.157.35]) by fmsmga001.fm.intel.com with ESMTP; 18 Feb 2021 20:48:01 -0800 From: "Sheng Wei" To: devel@edk2.groups.io Cc: Michael D Kinney , Liming Gao , Zhiguang Liu , Jiewen Yao Subject: [edk2-devel] [PATCH v4 1/2] MdePkg/Include: Add CET instructions to Nasm.inc Date: Fri, 19 Feb 2021 12:47:55 +0800 Message-Id: <20210219044756.2860-2-w.sheng@intel.com> In-Reply-To: <20210219044756.2860-1-w.sheng@intel.com> References: <20210219044756.2860-1-w.sheng@intel.com> Precedence: Bulk List-Unsubscribe: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,w.sheng@intel.com X-Gm-Message-State: deptLzq3tDvgNtQhv5KgQaZZx1787277AA= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1613710097; bh=wKJhjPOZhSNwoDWsaR09a/tX4oXrAdZJykMCP1okMrM=; h=Cc:Date:From:Reply-To:Subject:To; b=XQSKKgF3dc4Ugt0QEIkQv6BGXoUdu1JXLherdtbU00gpbrwEAVO0Bi4TCWVzUAI76R4 gJUbdvEKoDWvdLMKNw0zmRVdsMbmIgS/z/3VmL2UU51ZnvzSP6yE4SeK5sq4nRrz/pcIR zLqZZF3tbXAj/wXGq6no2KjEa0e4laYVkGk= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This is to add instruction SAVEPREVSSP, CLRSSBSY and RSTORSSP_RAX in Nasm. The open CI is using NASM 2.14.02. CET instructions are supported since NASM 2.15.01. REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3D3192 Signed-off-by: Sheng Wei Cc: Michael D Kinney Cc: Liming Gao Cc: Zhiguang Liu Cc: Jiewen Yao --- MdePkg/Include/Ia32/Nasm.inc | 12 ++++++++++++ MdePkg/Include/X64/Nasm.inc | 12 ++++++++++++ 2 files changed, 24 insertions(+) diff --git a/MdePkg/Include/Ia32/Nasm.inc b/MdePkg/Include/Ia32/Nasm.inc index 31ce861f1e..fa42f9d3e9 100644 --- a/MdePkg/Include/Ia32/Nasm.inc +++ b/MdePkg/Include/Ia32/Nasm.inc @@ -9,6 +9,18 @@ ; ;-------------------------------------------------------------------------= ----- =20 +%macro SAVEPREVSSP 0 + DB 0xF3, 0x0F, 0x01, 0xEA +%endmacro + +%macro CLRSSBSY_EAX 0 + DB 0x67, 0xF3, 0x0F, 0xAE, 0x30 +%endmacro + +%macro RSTORSSP_EAX 0 + DB 0x67, 0xF3, 0x0F, 0x01, 0x28 +%endmacro + %macro SETSSBSY 0 DB 0xF3, 0x0F, 0x01, 0xE8 %endmacro diff --git a/MdePkg/Include/X64/Nasm.inc b/MdePkg/Include/X64/Nasm.inc index 42412735ea..e57a803c81 100644 --- a/MdePkg/Include/X64/Nasm.inc +++ b/MdePkg/Include/X64/Nasm.inc @@ -9,6 +9,18 @@ ; ;-------------------------------------------------------------------------= ----- =20 +%macro SAVEPREVSSP 0 + DB 0xF3, 0x0F, 0x01, 0xEA +%endmacro + +%macro CLRSSBSY_RAX 0 + DB 0xF3, 0x0F, 0xAE, 0x30 +%endmacro + +%macro RSTORSSP_RAX 0 + DB 0xF3, 0x0F, 0x01, 0x28 +%endmacro + %macro SETSSBSY 0 DB 0xF3, 0x0F, 0x01, 0xE8 %endmacro --=20 2.16.2.windows.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#71809): https://edk2.groups.io/g/devel/message/71809 Mute This Topic: https://groups.io/mt/80749115/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-