From nobody Tue Feb 10 11:56:10 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+90882+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+90882+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=arm.com ARC-Seal: i=1; a=rsa-sha256; t=1656515282; cv=none; d=zohomail.com; s=zohoarc; b=A6etGmgOqbhBJ1DCyBWO71eTjth0eyWZtGgMiJ00tM++ZKS/Y1cTtoY2btXgpQcNZ05d923Q44G/44uk+Hmx1i3Y8IAF8IX1wIoZKjp9MUlkS+Y7dllCnSbp1X+8nwy935Mn06VsvNP/08NlyPguI6Cq82LPiBue8vU2hDt7LBo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1656515282; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=XVePD3ODkl2GbLVpm/0SoXsSEzgZfDqbkOw69w29yhY=; b=PbXPPln0AV70QlNm5vTQqqWjHkedrzv4mJxmbk29eqwmUkDeCaNoHP+ylBeI4e7l5WcJ2Xm9bCdgVditX5W5e9shYfpoPpo2izmwgIx7PSuT9D4hW/vijMk0OBU18UG+36gnnuwGIMBdrLtVQrKTRmrWuBjwXmxU+n3Qfoj3k6M= ARC-Authentication-Results: i=1; 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+90882+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1656515282227413.46351252789043; Wed, 29 Jun 2022 08:08:02 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id tfDkYY1788612xNcanFYEHJK; Wed, 29 Jun 2022 08:08:01 -0700 X-Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mx.groups.io with SMTP id smtpd.web08.12685.1656515281185269485 for ; Wed, 29 Jun 2022 08:08:01 -0700 X-Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 1DD5A1A32; Wed, 29 Jun 2022 08:08:01 -0700 (PDT) X-Received: from pierre123.arm.com (unknown [10.57.42.208]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 45C473F792; Wed, 29 Jun 2022 08:07:59 -0700 (PDT) From: "PierreGondois" To: devel@edk2.groups.io Cc: Sami Mujawar , Leif Lindholm , Ard Biesheuvel , Rebecca Cran , Michael D Kinney , Liming Gao , Edward Pickup Subject: [edk2-devel] [PATCH v1 4/7] ArmPkg/ArmLib: Add ArmHasAesExt() Date: Wed, 29 Jun 2022 17:07:10 +0200 Message-Id: <20220629150713.2600465-5-Pierre.Gondois@arm.com> In-Reply-To: <20220629150713.2600465-1-Pierre.Gondois@arm.com> References: <20220629150713.2600465-1-Pierre.Gondois@arm.com> MIME-Version: 1.0 Precedence: Bulk List-Unsubscribe: List-Subscribe: List-Help: 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,pierre.gondois@arm.com X-Gm-Message-State: fw9Kwwd5E0H31beqMn1vdcOIx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1656515281; bh=p4OwL4j6wRLRcdtvctcZV0stKgzcgYAw6wpF439oRSw=; h=Cc:Date:From:Reply-To:Subject:To; b=W8/X7FpT0VFTwxumxMwVH2z51fkSlYVF5nDcCAsb7MMA1NR9uBvgEvroYtiYFGvOqpH YFBo2v0HDGXDgdTO7YpBvjMDqutGrVsxkLFsIpzrsSXi3W45DlVCjk1QghWv8LcelxGXp qoau+Fcpj96nchiSdiW2orXH4zVVGKzWQcI= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1656515284164100009 Content-Type: text/plain; charset="utf-8" From: Pierre Gondois Add a ArmHasAesExt() to check for the FEAT_AES extension. Signed-off-by: Pierre Gondois --- ArmPkg/Include/Library/ArmLib.h | 12 +++++++++++- ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c | 13 +++++++++++++ ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h | 1 + ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c | 13 +++++++++++++ ArmPkg/Library/ArmLib/Arm/ArmV7Lib.h | 2 ++ 5 files changed, 40 insertions(+), 1 deletion(-) diff --git a/ArmPkg/Include/Library/ArmLib.h b/ArmPkg/Include/Library/ArmLi= b.h index 8058634dbc53..5cd2bc1a26e5 100644 --- a/ArmPkg/Include/Library/ArmLib.h +++ b/ArmPkg/Include/Library/ArmLib.h @@ -1,7 +1,7 @@ /** @file =20 Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
- Copyright (c) 2011 - 2022, Arm Limited. All rights reserved.
+ Copyright (c) 2011 - 2022, Arm Ltd. All rights reserved.
Copyright (c) 2020 - 2021, NUVIA Inc. All rights reserved.
=20 SPDX-License-Identifier: BSD-2-Clause-Patent @@ -779,6 +779,16 @@ ArmHasRngExt ( VOID ); =20 +/** Check if FEAT_AES extension is available. + + @retval TRUE if FEAT_AES extension is available. + @retval FALSE otherwise. +**/ +BOOLEAN +ArmHasAesExt ( + VOID + ); + #ifdef MDE_CPU_ARM /// /// AArch32-only ID Register Helper functions diff --git a/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c b/ArmPkg/Library/Ar= mLib/AArch64/AArch64Lib.c index 124b28e16874..dac406362114 100644 --- a/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c +++ b/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c @@ -117,3 +117,16 @@ ArmHasRngExt ( { return ArmReadIdIsar0 () & ID_AA64ISAR0_EL1_RNDR_MASK; } + +/** Check if FEAT_AES extension is available. + + @retval TRUE if FEAT_AES extension is available. + @retval FALSE otherwise. +**/ +BOOLEAN +ArmHasAesExt ( + VOID + ) +{ + return ArmReadIdIsar0 () & ID_AA64ISAR0_EL1_AES_MASK; +} diff --git a/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h b/ArmPkg/Library/Ar= mLib/AArch64/AArch64Lib.h index 61a775ea27e8..9f5ad3e0214f 100644 --- a/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h +++ b/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h @@ -11,6 +11,7 @@ #ifndef AARCH64_LIB_H_ #define AARCH64_LIB_H_ =20 +#define ID_AA64ISAR0_EL1_AES_MASK ((UINT64)0xF << 4U) #define ID_AA64ISAR0_EL1_RNDR_MASK ((UINT64)0xF << 60U) =20 typedef VOID (*AARCH64_CACHE_OPERATION)( diff --git a/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c b/ArmPkg/Library/ArmLib/A= rm/ArmV7Lib.c index a4ec23c8f8d8..ee3a847c1b50 100644 --- a/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c +++ b/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c @@ -133,3 +133,16 @@ ArmHasRngExt ( // Not supported. return FALSE; } + +/** Check if FEAT_AES extension is available. + + @retval TRUE if FEAT_AES extension is available. + @retval FALSE otherwise. +**/ +BOOLEAN +ArmHasAesExt ( + VOID + ) +{ + return ArmReadIdIsaR5 () & ID_ISAR5_AES_MASK; +} diff --git a/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.h b/ArmPkg/Library/ArmLib/A= rm/ArmV7Lib.h index 1cfd6e5f65ac..1b91db66fb43 100644 --- a/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.h +++ b/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.h @@ -10,6 +10,8 @@ #ifndef ARM_V7_LIB_H_ #define ARM_V7_LIB_H_ =20 +#define ID_ISAR5_AES_MASK (0xF << 4U) + #define ID_MMFR0_SHARELVL_SHIFT 12 #define ID_MMFR0_SHARELVL_MASK 0xf #define ID_MMFR0_SHARELVL_ONE 0 --=20 2.25.1 -=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 (#90882): https://edk2.groups.io/g/devel/message/90882 Mute This Topic: https://groups.io/mt/92066831/1787277 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-