From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=217.140.101.70; helo=foss.arm.com; envelope-from=jagadeesh.ujja@arm.com; receiver=edk2-devel@lists.01.org Received: from foss.arm.com (foss.arm.com [217.140.101.70]) by ml01.01.org (Postfix) with ESMTP id BFDE121962301 for ; Mon, 10 Dec 2018 22:22:04 -0800 (PST) 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 6B3A815AD; Mon, 10 Dec 2018 22:22:04 -0800 (PST) Received: from usa.arm.com (a075555-lin.blr.arm.com [10.162.2.152]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id DE4913F6A8; Mon, 10 Dec 2018 22:22:02 -0800 (PST) From: Jagadeesh Ujja To: edk2-devel@lists.01.org, liming.gao@intel.com, chao.b.zhang@intel.com, leif.lindholm@linaro.org Date: Tue, 11 Dec 2018 11:51:35 +0530 Message-Id: <1544509302-1000-6-git-send-email-jagadeesh.ujja@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1544509302-1000-1-git-send-email-jagadeesh.ujja@arm.com> References: <1544509302-1000-1-git-send-email-jagadeesh.ujja@arm.com> Subject: [RFC PATCH v4 05/12] MdePkg/Library: Add StandaloneMmRuntimeDxe library X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 X-List-Received-Date: Tue, 11 Dec 2018 06:22:04 -0000 To resuse some the libraries in both MM and non-MM mode, a mechanism to determine the execution mode is required, i.e, in MM or non-MM. Add a new library for use by non-MM code to determine the current execution mode. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Jagadeesh Ujja --- MdePkg/Library/StandaloneMmRuntimeDxe/StandaloneMmRuntimeDxe.c | 36 +++++++++++++++++ MdePkg/Library/StandaloneMmRuntimeDxe/StandaloneMmRuntimeDxe.inf | 42 ++++++++++++++++++++ 2 files changed, 78 insertions(+) diff --git a/MdePkg/Library/StandaloneMmRuntimeDxe/StandaloneMmRuntimeDxe.c b/MdePkg/Library/StandaloneMmRuntimeDxe/StandaloneMmRuntimeDxe.c new file mode 100644 index 0000000..61ef59a --- /dev/null +++ b/MdePkg/Library/StandaloneMmRuntimeDxe/StandaloneMmRuntimeDxe.c @@ -0,0 +1,36 @@ +/** @file + StandaloneMmRuntimeDxe Library. + + Copyright (c) 2018, ARM Limited. All rights reserved.
+ + This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD 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 IMPLIED. + +**/ + +#include + +/** + This function allows the caller to determine if the driver is executing in + Standalone Management Mode(SMM). + + This function returns TRUE if the driver is executing in SMM and FALSE if the + driver is not executing in SMM. + + @retval TRUE The driver is executing in Standalone Management Mode (SMM). + @retval FALSE The driver is not executing in Standalone Management Mode (SMM). + +**/ +BOOLEAN +EFIAPI +InMm ( + VOID + ) +{ + return FALSE; +} diff --git a/MdePkg/Library/StandaloneMmRuntimeDxe/StandaloneMmRuntimeDxe.inf b/MdePkg/Library/StandaloneMmRuntimeDxe/StandaloneMmRuntimeDxe.inf new file mode 100644 index 0000000..741b229 --- /dev/null +++ b/MdePkg/Library/StandaloneMmRuntimeDxe/StandaloneMmRuntimeDxe.inf @@ -0,0 +1,42 @@ +## @file +# Provides StandaloneMmRuntimeDxe. +# +# Copyright (c) 2018, ARM Limited. All rights reserved.
+# +# This program and the accompanying materials +# are licensed and made available under the terms and conditions +# of the BSD 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 IMPLIED. +# +## + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = StandaloneMmRuntimeDxe + FILE_GUID = 8099cfbf-9564-4c9b-9052-e66b1da88930 + MODULE_TYPE = DXE_RUNTIME_DRIVER + VERSION_STRING = 1.0 + LIBRARY_CLASS = StandaloneMmRuntimeDxe |DXE_RUNTIME_DRIVER DXE_SMM_DRIVER MM_STANDALONE + +# +# The following information is for reference only and not required by the build tools. +# +# VALID_ARCHITECTURES = IA32 X64 AARCH64 +# + +[Sources] + StandaloneMmRuntimeDxe.c + +[Packages] + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + +[LibraryClasses] + BaseLib + BaseMemoryLib + DebugLib + MemoryAllocationLib -- 2.7.4