From nobody Tue Feb 10 06:26:45 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+68770+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+68770+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1607957204; cv=none; d=zohomail.com; s=zohoarc; b=XNHD2nntV9Rgw1n1z+VlYRC/AENlw8qg7wME9o7tmMyufmvO0uEtMDRV9F+rwIQh37pqrKdDEjnO/iIDYSgDQfWLGJCZQmylG4DSFyx++6/E/k895psmgCtp3+rXkF1ffISQzYycsuK1YI2A1LQ3DDtIcP6R4OmHoPDF8CWIeCk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1607957204; h=Cc:Date:From:In-Reply-To:List-Id:List-Unsubscribe:Message-ID:Reply-To:References:Sender:Subject:To; bh=U+7GvfdS0Xh9YYXWC+M7svOeSEqDVKRgUwSHkBtOuc8=; b=fw6TpXQ8ocspcMT4ptuZ1DpRQgRQdOvWgWAKSkmgeJ+H+LFf3pF9s4PPbqVeC4HMP315qvmq1tVR9XPL4TON6VKPsOoopOBFFgPzStdA7XmU3dhqXTqxCIN1iR2QfYqeYGnaLCm3HP4q64tDtRVMJAIxtxoM6mChhj4KGvQ7eqE= 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+68770+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) header.from= Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1607957204048253.42958466841424; Mon, 14 Dec 2020 06:46:44 -0800 (PST) Return-Path: X-Received: by 127.0.0.2 with SMTP id dJZTYY1788612xc5GHWoTfI5; Mon, 14 Dec 2020 06:46:41 -0800 X-Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mx.groups.io with SMTP id smtpd.web08.35471.1607956959123098276 for ; Mon, 14 Dec 2020 06:42:39 -0800 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 635D430E; Mon, 14 Dec 2020 06:42:38 -0800 (PST) X-Received: from a076522.blr.arm.com (a076522.blr.arm.com [10.162.16.44]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 605473F66E; Mon, 14 Dec 2020 06:42:36 -0800 (PST) From: "Sughosh Ganu" To: devel@edk2.groups.io Cc: Sami Mujawar , Ard Biesheuvel , Leif Lindholm , Sahil Malhotra , Sughosh Ganu Subject: [edk2-devel] [PATCH v2 04/13] ArmPkg: Introduce support for PcdFfaEnable Date: Mon, 14 Dec 2020 20:12:07 +0530 Message-Id: <20201214144216.26328-5-sughosh.ganu@linaro.org> In-Reply-To: <20201214144216.26328-1-sughosh.ganu@linaro.org> References: <20201214144216.26328-1-sughosh.ganu@linaro.org> 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,sughosh.ganu@linaro.org X-Gm-Message-State: qGGKnah8wFw4tFYCv5R4e1A7x1787277AA= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1607957201; bh=RP5sd8D4TtHT5lB4A3XYXRzpMDhg+SMkwtYUkyhHsCs=; h=Cc:Date:From:Reply-To:Subject:To; b=sgEd7ovx8wgz5b9ca33yfjFvvPkcxshqKnJwnNgh+OhyQyYkKGtZm8NC88IfcPIEHyD dkmnNhQfqi1dWgUZvw036OH7le4pfPTN2yOSxJRPWbGLutRa079Fm+ZNRHn0Q5JRFEElh Efd9Hx7VkxWeLNkQ3ra8oilRf31dpf/XXdI= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The Secure Partition(SP) can request services from the Secure Partition Manager Core(SPMC) either through FF-A calls or through the existing SVC calls. Add a feature flag Pcd for enabling the FF-A method -- when this is set to FALSE, the SP uses the existing SVC calls for making the requests. Signed-off-by: Sughosh Ganu Reviewed-by: Sami Mujawar --- ArmPkg/ArmPkg.dec | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/ArmPkg/ArmPkg.dec b/ArmPkg/ArmPkg.dec index eaf1072d9e..507e16844c 100644 --- a/ArmPkg/ArmPkg.dec +++ b/ArmPkg/ArmPkg.dec @@ -78,6 +78,12 @@ # Define if the GICv3 controller should use the GICv2 legacy gArmTokenSpaceGuid.PcdArmGicV3WithV2Legacy|FALSE|BOOLEAN|0x00000042 =20 + ## Used to select method for requesting services from S-EL1.

+ # FALSE - Selects SVC calls for communication between S-EL0 and SPMC.<= BR> + # @Prompt Enable FF-A support. + gArmTokenSpaceGuid.PcdFfaEnable|FALSE|BOOLEAN|0x0000005B + [PcdsFeatureFlag.ARM] # Whether to map normal memory as non-shareable. FALSE is the safe choic= e, but # TRUE may be appropriate to fix performance problems if you don't care = about --=20 2.17.1 -=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 (#68770): https://edk2.groups.io/g/devel/message/68770 Mute This Topic: https://groups.io/mt/78951500/1787277 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-