From nobody Thu Dec 26 13:11:20 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) client-ip=198.145.21.10; envelope-from=edk2-devel-bounces@lists.01.org; helo=ml01.01.org; Authentication-Results: mx.zohomail.com; spf=none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) smtp.mailfrom=edk2-devel-bounces@lists.01.org Return-Path: Received: from ml01.01.org (ml01.01.org [198.145.21.10]) by mx.zohomail.com with SMTPS id 1505936918455621.8389465229759; Wed, 20 Sep 2017 12:48:38 -0700 (PDT) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 4FFAB21D046D6; Wed, 20 Sep 2017 12:45:31 -0700 (PDT) Received: from foss.arm.com (foss.arm.com [217.140.101.70]) by ml01.01.org (Postfix) with ESMTP id 422A021ECCB23 for ; Wed, 20 Sep 2017 12:45:30 -0700 (PDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 5EC5E80D; Wed, 20 Sep 2017 12:48:36 -0700 (PDT) Received: from u201365.usa.Arm.com (bc-c3-3-14.eu.iaas.arm.com [10.6.43.238]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 4AE773F483; Wed, 20 Sep 2017 12:48:35 -0700 (PDT) X-Original-To: edk2-devel@lists.01.org From: Supreeth Venkatesh To: edk2-devel@lists.01.org Date: Wed, 20 Sep 2017 20:48:13 +0100 Message-Id: <20170920194813.43665-4-supreeth.venkatesh@arm.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20170920194813.43665-1-supreeth.venkatesh@arm.com> References: <20170920194813.43665-1-supreeth.venkatesh@arm.com> Subject: [edk2] [Patch v2 3/3] ArmPkg/Include: Add ArmSvcLib header file. X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: leif.lindholm@linaro.org, ard.biesheuvel@linaro.org MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Errors-To: edk2-devel-bounces@lists.01.org Sender: "edk2-devel" X-ZohoMail: RSF_4 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" ArmSvcLib header file to specify the SVC arguments structure and function prototype to trigger an SVC call. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Achin Gupta Signed-off-by: Supreeth Venkatesh --- ArmPkg/Include/Library/ArmSvcLib.h | 46 ++++++++++++++++++++++++++++++++++= ++++ 1 file changed, 46 insertions(+) create mode 100644 ArmPkg/Include/Library/ArmSvcLib.h diff --git a/ArmPkg/Include/Library/ArmSvcLib.h b/ArmPkg/Include/Library/Ar= mSvcLib.h new file mode 100644 index 0000000000..77a60b3679 --- /dev/null +++ b/ArmPkg/Include/Library/ArmSvcLib.h @@ -0,0 +1,46 @@ +/** @file +* +* Copyright (c) 2016 - 2017, ARM Limited. All rights reserved. +* +* This program and the accompanying materials +* are licensed and made available under the terms and conditions of the B= SD License +* which accompanies this distribution. The full text of the license may = be found at +* http://opensource.org/licenses/bsd-license.php +* +* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IM= PLIED. +* +**/ + +#ifndef __ARM_SVC_LIB__ +#define __ARM_SVC_LIB__ + +/** + * The size of the SVC arguments are different between AArch64 and AArch32. + * The native size is used for the arguments. + */ +typedef struct { + UINTN Arg0; + UINTN Arg1; + UINTN Arg2; + UINTN Arg3; + UINTN Arg4; + UINTN Arg5; + UINTN Arg6; + UINTN Arg7; +} ARM_SVC_ARGS; + +/** + Trigger an SVC call + + SVC calls can take up to 7 arguments and return up to 4 return values. + Therefore, the 4 first fields in the ARM_SVC_ARGS structure are used + for both input and output values. + +**/ +VOID +ArmCallSvc ( + IN OUT ARM_SVC_ARGS *Args + ); + +#endif --=20 2.14.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel