From patchwork Tue Feb 21 17:51:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: mohamed.omarasaker@arm.com X-Patchwork-Id: 19948 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7FD72C61DA3 for ; Tue, 21 Feb 2023 17:51:48 +0000 (UTC) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mx.groups.io with SMTP id smtpd.web10.48757.1677001899787276403 for ; Tue, 21 Feb 2023 09:51:39 -0800 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: arm.com, ip: 217.140.110.172, mailfrom: mohamed.omarasaker@arm.com) 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 D5FE81650; Tue, 21 Feb 2023 09:52:21 -0800 (PST) Received: from e126544.cambridge.arm.com (unknown [10.1.199.74]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 484B63F881; Tue, 21 Feb 2023 09:51:38 -0800 (PST) From: mohamed.omarasaker@arm.com To: meta-arm@lists.yoctoproject.org, Ross.Burton@arm.com Cc: nd@arm.com, Mohamed Omar Asaker Subject: [PATCH 2/2] arm-bsp/trusted-firmware-m:corstone1000: Set SPM backend to IPC Date: Tue, 21 Feb 2023 17:51:29 +0000 Message-Id: <20230221175129.308197-3-mohamed.omarasaker@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230221175129.308197-1-mohamed.omarasaker@arm.com> References: <20230221175129.308197-1-mohamed.omarasaker@arm.com> MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Tue, 21 Feb 2023 17:51:48 -0000 X-Groupsio-URL: https://lists.yoctoproject.org/g/meta-arm/message/4435 From: Mohamed Omar Asaker TF-M provides IPC as a SPM backend which gives SPM and each Secure Partition it's own execution context. And provides higher isolation levels. corstone1000 isolation level is 2. Hence, switching to IPC backend. Signed-off-by: Mohamed Omar Asaker --- .../trusted-firmware-m-1.7.0-corstone1000.inc | 3 +++ 1 file changed, 3 insertions(+) diff --git a/meta-arm-bsp/recipes-bsp/trusted-firmware-m/trusted-firmware-m-1.7.0-corstone1000.inc b/meta-arm-bsp/recipes-bsp/trusted-firmware-m/trusted-firmware-m-1.7.0-corstone1000.inc index ee35a253..d89aca37 100644 --- a/meta-arm-bsp/recipes-bsp/trusted-firmware-m/trusted-firmware-m-1.7.0-corstone1000.inc +++ b/meta-arm-bsp/recipes-bsp/trusted-firmware-m/trusted-firmware-m-1.7.0-corstone1000.inc @@ -11,6 +11,9 @@ TFM_PLATFORM_IS_FVP ?= "FALSE" EXTRA_OECMAKE += "-DPLATFORM_IS_FVP=${TFM_PLATFORM_IS_FVP}" EXTRA_OECMAKE += "-DCC312_LEGACY_DRIVER_API_ENABLED=OFF" +## Setting SPM backend to IPC +EXTRA_OECMAKE += "-DCONFIG_TFM_SPM_BACKEND=IPC" + # libmetal LICENSE += "& BSD-3-Clause" LIC_FILES_CHKSUM += "file://../libmetal/LICENSE.md;md5=fe0b8a4beea8f0813b606d15a3df3d3c"