From nobody Tue Feb 10 05:46:45 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+91702+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+91702+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=arm.com ARC-Seal: i=1; a=rsa-sha256; t=1658500355; cv=none; d=zohomail.com; s=zohoarc; b=Vi7c1Omc/pVXNUgkTl20n5HgNwV5/2w+1YXnJi6KueMZBIzhyrETwCrLfPKkTQfEIx3IsK/zXySXtmr7KR5+lNmT/0J4EPj9NoEhQCCVMSH06xxMrdzJIrpH7m6pclH+O43EY6X5gM5dszNl34roWJXGJ9Om8xaFTPYqD8XyxRw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1658500355; 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=s78J/NyCTTNknSvFHuTslG+BWY6DQg1FkXRTs6Yd0Os=; b=W/1NsJdDG+ZqPZVQZBDuRXU9oC5rPwk80Qd+TI2+wrbIFZbLjBlFJzJrjoyNYkbqGLuXazCKWLGGx+CTV7X1w4gmutGMsfX/2WO6vnPO9B4U9ywltl3y5wUZ6GoPXMtVzVrBBwEXUmnVII2GgNdL15IXJ/kXqCJa9/OKcYwoKKs= 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+91702+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 1658500355589630.4229992102772; Fri, 22 Jul 2022 07:32:35 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id pyJmYY1788612xv53UCj9T1g; Fri, 22 Jul 2022 07:32:34 -0700 X-Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mx.groups.io with SMTP id smtpd.web08.8332.1658500353187236099 for ; Fri, 22 Jul 2022 07:32:33 -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 60CD11480; Fri, 22 Jul 2022 07:32:33 -0700 (PDT) X-Received: from pierre123.arm.com (pierre123.nice.arm.com [10.34.100.102]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 51A023F70D; Fri, 22 Jul 2022 07:32:31 -0700 (PDT) From: "PierreGondois" To: devel@edk2.groups.io Cc: Sami Mujawar , Leif Lindholm , Ard Biesheuvel , Rebecca Cran , Michael D Kinney , Liming Gao , Jiewen Yao , Jian J Wang , Pierre Gondois Subject: [edk2-devel] [PATCH v4 03/21] ArmPkg/ArmMonitorLib: Add ArmMonitorLib Date: Fri, 22 Jul 2022 16:31:35 +0200 Message-Id: <20220722143153.913585-4-Pierre.Gondois@arm.com> In-Reply-To: <20220722143153.913585-1-Pierre.Gondois@arm.com> References: <20220722143153.913585-1-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: iNrFD2r2G6ENyUpmNw4mRSBsx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1658500354; bh=ew0kvR8OW+CVEZnST+Ytke/A3GhxfZyyk3cVannSNlA=; h=Cc:Date:From:Reply-To:Subject:To; b=ClPAiOGGBdwxe7xUi8yEmMzbIbS7DReqPjJV5nu7zlpzX4iVD4BydbATIBQrJP7VRfa dWGQ0T/3WNRveV3wtzufwBS8hua6m+e4tV4wY0Knv+Pb9FNiQFmLFO+qcuABYCcpXTfUa 5yxFWnojakosL8YUzCNV5jC00GNk3G2Zpxg= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1658500355957100012 Content-Type: text/plain; charset="utf-8" From: Pierre Gondois The ArmMonitorLib provides an abstract interface to issue an HyperVisor Call (HVC) or System Monitor Call (SMC) depending on the default conduit. The PcdMonitorConduitHvc PCD allows to select the default conduit. Signed-off-by: Pierre Gondois --- ArmPkg/ArmPkg.dsc | 1 + ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.c | 34 +++++++++++++++++++ .../Library/ArmMonitorLib/ArmMonitorLib.inf | 29 ++++++++++++++++ 3 files changed, 64 insertions(+) create mode 100644 ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.c create mode 100644 ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.inf diff --git a/ArmPkg/ArmPkg.dsc b/ArmPkg/ArmPkg.dsc index 59fd8f295d4f..3afd212f472b 100644 --- a/ArmPkg/ArmPkg.dsc +++ b/ArmPkg/ArmPkg.dsc @@ -135,6 +135,7 @@ [Components.common] ArmPkg/Library/ArmSmcLibNull/ArmSmcLibNull.inf ArmPkg/Library/ArmHvcLib/ArmHvcLib.inf ArmPkg/Library/ArmSvcLib/ArmSvcLib.inf + ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.inf ArmPkg/Library/OpteeLib/OpteeLib.inf =20 ArmPkg/Filesystem/SemihostFs/SemihostFs.inf diff --git a/ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.c b/ArmPkg/Library/= ArmMonitorLib/ArmMonitorLib.c new file mode 100644 index 000000000000..5e91f2957325 --- /dev/null +++ b/ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.c @@ -0,0 +1,34 @@ +/** @file + Arm Monitor Library. + + Copyright (c) 2022, Arm Limited. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include +#include +#include +#include + +/** Monitor call. + + An HyperVisor Call (HVC) or System Monitor Call (SMC) will be issued + depending on the default conduit. PcdMonitorConduitHvc determines the ty= pe + of the call: if true, do an HVC. + + @param [in, out] Args Arguments for the HVC/SMC. +**/ +VOID +EFIAPI +ArmMonitorCall ( + IN OUT ARM_MONITOR_ARGS *Args + ) +{ + if (FeaturePcdGet (PcdMonitorConduitHvc)) { + ArmCallHvc ((ARM_HVC_ARGS *)Args); + } else { + ArmCallSmc ((ARM_SMC_ARGS *)Args); + } +} diff --git a/ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.inf b/ArmPkg/Librar= y/ArmMonitorLib/ArmMonitorLib.inf new file mode 100644 index 000000000000..abaeb556d471 --- /dev/null +++ b/ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.inf @@ -0,0 +1,29 @@ +## @file +# Arm Monitor Library +# +# Copyright (c) 2022, Arm Limited. All rights reserved.
+# +# SPDX-License-Identifier: BSD-2-Clause-Patent +## + +[Defines] + INF_VERSION =3D 0x0001001B + BASE_NAME =3D ArmMonitorLib + FILE_GUID =3D F918DACB-FBB8-4CB6-A61D-08E75AF0E7CD + MODULE_TYPE =3D BASE + VERSION_STRING =3D 1.0 + LIBRARY_CLASS =3D ArmMonitorLib + +[Sources] + ArmMonitorLib.c + +[Packages] + ArmPkg/ArmPkg.dec + MdePkg/MdePkg.dec + +[LibraryClasses] + ArmHvcLib + ArmSmcLib + +[Pcd] + gArmTokenSpaceGuid.PcdMonitorConduitHvc --=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 (#91702): https://edk2.groups.io/g/devel/message/91702 Mute This Topic: https://groups.io/mt/92548697/1787277 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-