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 (usa-sjc-mx-foss1.foss.arm.com [217.140.101.70]) by ml01.01.org (Postfix) with ESMTP id AC25C21962301 for ; Wed, 2 Jan 2019 05:14:12 -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 5AA9F80D; Wed, 2 Jan 2019 05:14:12 -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 C6CAA3F5CF; Wed, 2 Jan 2019 05:14:09 -0800 (PST) From: Jagadeesh Ujja To: edk2-devel@lists.01.org, liming.gao@intel.com, chao.b.zhang@intel.com, leif.lindholm@linaro.org, ard.biesheuvel@linaro.org, Achin.Gupta@arm.com, Supreeth.Venkatesh@arm.com, jian.j.wang@intel.com Date: Wed, 2 Jan 2019 18:43:41 +0530 Message-Id: <1546434828-24405-5-git-send-email-jagadeesh.ujja@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1546434828-24405-1-git-send-email-jagadeesh.ujja@arm.com> References: <1546434828-24405-1-git-send-email-jagadeesh.ujja@arm.com> Subject: [PATCH v2 04/11] MdePkg/Include: Add StandaloneMmServicesTableLib 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: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 X-List-Received-Date: Wed, 02 Jan 2019 13:14:12 -0000 Some of the existing DXE drivers can be refactored to execute within the Standalone MM execution environment as well. Allow such drivers to get access to the Standalone MM services tables. Add a mechanism to determine the execution mode is required. i.e, in MM or non-MM Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Jagadeesh Ujja --- MdePkg/Include/Library/StandaloneMmServicesTableLib.h | 43 ++++++++++++++++++++ MdePkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.c | 39 ++++++++++++++++++ MdePkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.inf | 36 ++++++++++++++++ MdePkg/MdePkg.dec | 4 ++ 4 files changed, 122 insertions(+) diff --git a/MdePkg/Include/Library/StandaloneMmServicesTableLib.h b/MdePkg/Include/Library/StandaloneMmServicesTableLib.h new file mode 100644 index 0000000..3a27ac4 --- /dev/null +++ b/MdePkg/Include/Library/StandaloneMmServicesTableLib.h @@ -0,0 +1,43 @@ +/** @file + Provides a service to retrieve a pointer to the Standalone MM Services Table. + Provides a InMm implementation for RUNTIME DXE drivers + +Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.
+Copyright (c) 2016 - 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. + +**/ + +#ifndef __MM_SERVICES_TABLE_LIB_H__ +#define __MM_SERVICES_TABLE_LIB_H__ + +#include +#include + +extern EFI_MM_SYSTEM_TABLE *gMmst; + +/** + 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 + ); + +#endif diff --git a/MdePkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.c b/MdePkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.c new file mode 100644 index 0000000..6f37cd8 --- /dev/null +++ b/MdePkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.c @@ -0,0 +1,39 @@ +/** @file + Standalone MM Services Table 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 +#include + +EFI_MM_SYSTEM_TABLE *gMmst = NULL; + +/** + 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/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.inf b/MdePkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.inf new file mode 100644 index 0000000..c94b605 --- /dev/null +++ b/MdePkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.inf @@ -0,0 +1,36 @@ +## @file +# Provides StandaloneMmServicesTableLib. +# +# 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 = StandaloneMmServicesTableLib + FILE_GUID = 8099cfbf-9564-4c9b-9052-e66b1da88930 + MODULE_TYPE = DXE_RUNTIME_DRIVER + VERSION_STRING = 1.0 + LIBRARY_CLASS = StandaloneMmServicesTableLib |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] + StandaloneMmServicesTableLib.c + +[Packages] + MdePkg/MdePkg.dec + diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec index 712bd46..ec9b266 100644 --- a/MdePkg/MdePkg.dec +++ b/MdePkg/MdePkg.dec @@ -243,6 +243,10 @@ ## SafeIntLib|Include/Library/SafeIntLib.h + ## @libraryclass Provides a service to retrieve a pointer to the Standalone MM Services Table. + # Only available to MM_STANDALONE module types. + MmServicesTableLib|Include/Library/StandaloneMmServicesTableLib.h + [LibraryClasses.IA32, LibraryClasses.X64] ## @libraryclass Abstracts both S/W SMI generation and detection. ## -- 2.7.4