From nobody Tue Feb 10 16:22:41 2026 Delivered-To: importer@patchew.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 1531494374268237.6894255222653; Fri, 13 Jul 2018 08:06:14 -0700 (PDT) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id DFA7520988742; Fri, 13 Jul 2018 08:06:05 -0700 (PDT) Received: from foss.arm.com (foss.arm.com [217.140.101.70]) by ml01.01.org (Postfix) with ESMTP id E43C920988462 for ; Fri, 13 Jul 2018 08:06:04 -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 9D0F17A9; Fri, 13 Jul 2018 08:06:04 -0700 (PDT) Received: from usa.arm.com (a074948-lin.blr.arm.com [10.162.4.138]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id D65013F5B1; Fri, 13 Jul 2018 08:06:02 -0700 (PDT) X-Original-To: edk2-devel@lists.01.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; Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=217.140.101.70; helo=foss.arm.com; envelope-from=sughosh.ganu@arm.com; receiver=edk2-devel@lists.01.org From: Sughosh Ganu To: edk2-devel@lists.01.org Date: Fri, 13 Jul 2018 20:35:26 +0530 Message-Id: <1531494330-1280-7-git-send-email-sughosh.ganu@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1531494330-1280-1-git-send-email-sughosh.ganu@arm.com> References: <1531494330-1280-1-git-send-email-sughosh.ganu@arm.com> Subject: [edk2] [PATCH v2 06/10] StandaloneMmPkg: MM driver entry point library. X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jiewen Yao 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" From: Supreeth Venkatesh This patch implements module entry point library for Standalone management mode (MM) Drivers. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Supreeth Venkatesh Reviewed-by: Achin Gupta Reviewed-by: Jiewen Yao Signed-off-by: Sughosh Ganu --- .../Include/Library/StandaloneMmDriverEntryPoint.h | 148 +++++++++++++++++= ++++ .../StandaloneMmDriverEntryPoint.c | 99 ++++++++++++++ .../StandaloneMmDriverEntryPoint.inf | 24 ++-- 3 files changed, 259 insertions(+), 12 deletions(-) create mode 100644 StandaloneMmPkg/Include/Library/StandaloneMmDriverEntry= Point.h create mode 100644 StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/St= andaloneMmDriverEntryPoint.c copy MdePkg/Library/BasePciSegmentInfoLibNull/BasePciSegmentInfoLibNull.in= f =3D> StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDri= verEntryPoint.inf (53%) diff --git a/StandaloneMmPkg/Include/Library/StandaloneMmDriverEntryPoint.h= b/StandaloneMmPkg/Include/Library/StandaloneMmDriverEntryPoint.h new file mode 100644 index 000000000000..4c93c16ef544 --- /dev/null +++ b/StandaloneMmPkg/Include/Library/StandaloneMmDriverEntryPoint.h @@ -0,0 +1,148 @@ +/** @file + Module entry point library for Standalone MM Drivers. + +Copyright (c) 2006 - 2008, 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 IMPLI= ED. + +**/ + +#ifndef __MODULE_ENTRY_POINT_H__ +#define __MODULE_ENTRY_POINT_H__ + +/// +///Declare the PI Specification Revision that this driver requires to exec= ute correctly. +/// +extern CONST UINT32 _gMmRevision; + +/** + The entry point of PE/COFF Image for a Standalone MM Driver. + + This function is the entry point for a Standalone MM Driver. + This function must call ProcessLibraryConstructorList() and + ProcessModuleEntryPointList(). + If the return status from ProcessModuleEntryPointList() + is an error status, then ProcessLibraryDestructorList() must be called. + The return value from ProcessModuleEntryPointList() is returned. + If _gDriverUnloadImageCount is greater + than zero, then an unload handler must be registered for this image and + the unload handler must invoke ProcessModuleUnloadList(). + If _gUefiDriverRevision is not zero and SystemTable->Hdr.Revision is + less than _gUefiDriverRevison, then return EFI_INCOMPATIBLE_VERSION. + + @param ImageHandle The image handle of the Standalone MM Driver. + @param SystemTable A pointer to the EFI System Table. + + @retval EFI_SUCCESS The Standalone MM Driver exited norma= lly. + @retval EFI_INCOMPATIBLE_VERSION _gUefiDriverRevision is greater than + SystemTable->Hdr.Revision. + @retval Other Return value from + ProcessModuleEntryPointList(). + +**/ +EFI_STATUS +EFIAPI +_ModuleEntryPoint ( + IN EFI_HANDLE ImageHandle, + IN EFI_MM_SYSTEM_TABLE *MmSystemTable + ); + + +/** + Required by the EBC compiler and identical in functionality to _ModuleEn= tryPoint(). + + This function is required to call _ModuleEntryPoint() passing in ImageHa= ndle, and SystemTable. + + @param ImageHandle The image handle of the Standalone MM Driver. + @param SystemTable A pointer to the EFI System Table. + + @retval EFI_SUCCESS The Standalone MM Driver exited norma= lly. + @retval EFI_INCOMPATIBLE_VERSION _gUefiDriverRevision is greater than + SystemTable->Hdr.Revision. + @retval Other Return value from ProcessModuleEntryP= ointList(). +**/ +EFI_STATUS +EFIAPI +EfiMain ( + IN EFI_HANDLE ImageHandle, + IN EFI_MM_SYSTEM_TABLE *MmSystemTable + ); + +/** + Auto generated function that calls the library constructors for all of t= he module's + dependent libraries. + + This function must be called by _ModuleEntryPoint(). + This function calls the set of library constructors for the set of libra= ry instances + that a module depends on. This includes library instances that a module= depends on + directly and library instances that a module depends on indirectly throu= gh other libraries. + This function is auto generated by build tools and those build tools are= responsible + for collecting the set of library instances, determine which ones have c= onstructors, + and calling the library constructors in the proper order based upon each= of the library + instances own dependencies. + + @param ImageHandle The image handle of the Standalone MM Driver. + @param SystemTable A pointer to the EFI System Table. + +**/ +VOID +EFIAPI +ProcessLibraryConstructorList ( + IN EFI_HANDLE ImageHandle, + IN EFI_MM_SYSTEM_TABLE *MmSystemTable + ); + + +/** + Auto generated function that calls the library descructors for all of th= e module's + dependent libraries. + + This function may be called by _ModuleEntryPoint() or ExitDriver(). + This function calls the set of library destructors for the set of librar= y instances + that a module depends on. This includes library instances that a module = depends on + directly and library instances that a module depends on indirectly throu= gh other libraries. + This function is auto generated by build tools and those build tools are= responsible for + collecting the set of library instances, determine which ones have destr= uctors, and calling + the library destructors in the proper order based upon each of the libra= ry instances own dependencies. + + @param ImageHandle The image handle of the Standalone MM Driver. + @param SystemTable A pointer to the EFI System Table. + +**/ +VOID +EFIAPI +ProcessLibraryDestructorList ( + IN EFI_HANDLE ImageHandle, + IN EFI_MM_SYSTEM_TABLE *MmSystemTable + ); + + +/** + Auto generated function that calls a set of module entry points. + + This function must be called by _ModuleEntryPoint(). + This function calls the set of module entry points. + This function is auto generated by build tools and those build tools are= responsible + for collecting the module entry points and calling them in a specified o= rder. + + @param ImageHandle The image handle of the Standalone MM Driver. + @param SystemTable A pointer to the EFI System Table. + + @retval EFI_SUCCESS The Standalone MMDriver executed normally. + @retval !EFI_SUCCESS The Standalone MM Driver failed to execute normal= ly. +**/ +EFI_STATUS +EFIAPI +ProcessModuleEntryPointList ( + IN EFI_HANDLE ImageHandle, + IN EFI_MM_SYSTEM_TABLE *MmSystemTable + ); + +#endif diff --git a/StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/Standalon= eMmDriverEntryPoint.c b/StandaloneMmPkg/Library/StandaloneMmDriverEntryPoin= t/StandaloneMmDriverEntryPoint.c new file mode 100644 index 000000000000..64bffcfccc8a --- /dev/null +++ b/StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDriv= erEntryPoint.c @@ -0,0 +1,99 @@ +/** @file + Entry point to a Standalone MM driver. + +Copyright (c) 2015, Intel Corporation. All rights reserved.
+Copyright (c) 2016 - 2018, ARM Ltd. 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 IMPLI= ED. + +**/ + +#include + +#include +#include + +VOID +EFIAPI +ProcessLibraryConstructorList ( + IN EFI_HANDLE ImageHandle, + IN IN EFI_MM_SYSTEM_TABLE *MmSystemTable + ); + +EFI_STATUS +EFIAPI +ProcessModuleEntryPointList ( + IN EFI_HANDLE ImageHandle, + IN IN EFI_MM_SYSTEM_TABLE *MmSystemTable + ); + +VOID +EFIAPI +ProcessLibraryDestructorList ( + IN EFI_HANDLE ImageHandle, + IN IN EFI_MM_SYSTEM_TABLE *MmSystemTable + ); + +/** + The entry point of PE/COFF Image for a Standalone MM Driver. + + This function is the entry point for a Standalone MM Driver. + This function must call ProcessLibraryConstructorList() and + ProcessModuleEntryPointList(). + If the return status from ProcessModuleEntryPointList() + is an error status, then ProcessLibraryDestructorList() must be called. + The return value from ProcessModuleEntryPointList() is returned. + If _gDriverUnloadImageCount is greater than zero, then an unload + handler must be registered for this image + and the unload handler must invoke ProcessModuleUnloadList(). + If _gUefiDriverRevision is not zero and SystemTable->Hdr.Revision is less + than _gUefiDriverRevison, then return EFI_INCOMPATIBLE_VERSION. + + + @param ImageHandle The image handle of the Standalone MM Driver. + @param SystemTable A pointer to the EFI System Table. + + @retval EFI_SUCCESS The Standalone MM Driver exited norma= lly. + @retval EFI_INCOMPATIBLE_VERSION _gUefiDriverRevision is greater than + SystemTable->Hdr.Revision. + @retval Other Return value from ProcessModuleEntryP= ointList(). + +**/ +EFI_STATUS +EFIAPI +_ModuleEntryPoint ( + IN EFI_HANDLE ImageHandle, + IN IN EFI_MM_SYSTEM_TABLE *MmSystemTable + ) +{ + EFI_STATUS Status; + + // + // Call constructor for all libraries + // + ProcessLibraryConstructorList (ImageHandle, MmSystemTable); + + // + // Call the driver entry point + // + Status =3D ProcessModuleEntryPointList (ImageHandle, MmSystemTable); + + // + // If all of the drivers returned errors, then invoke all of the library= destructors + // + if (EFI_ERROR (Status)) { + ProcessLibraryDestructorList (ImageHandle, MmSystemTable); + } + + // + // Return the cumulative return status code from all of the driver entry= points + // + return Status; +} + diff --git a/MdePkg/Library/BasePciSegmentInfoLibNull/BasePciSegmentInfoLib= Null.inf b/StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/StandaloneM= mDriverEntryPoint.inf similarity index 53% copy from MdePkg/Library/BasePciSegmentInfoLibNull/BasePciSegmentInfoLibNul= l.inf copy to StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDr= iverEntryPoint.inf index 5ae59fb2bed8..4d1896db10ba 100644 --- a/MdePkg/Library/BasePciSegmentInfoLibNull/BasePciSegmentInfoLibNull.inf +++ b/StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDriv= erEntryPoint.inf @@ -1,9 +1,8 @@ ## @file -# Instance of PCI SegmentInfo Library. +# Module entry point library for Standalone MM driver. # -# Default PCI Segment Information Library that shouldn't be used by real p= latform. -# -# Copyright (c) 2017, Intel Corporation. All rights reserved.
+# Copyright (c) 2015, Intel Corporation. All rights reserved.
+# Copyright (c) 2016-2018, ARM Ltd. All rights reserved.
# # This program and the accompanying materials # are licensed and made available under the terms and conditions of the B= SD License @@ -16,13 +15,13 @@ ## =20 [Defines] - INF_VERSION =3D 0x00010005 - BASE_NAME =3D BasePciSegmentInfoLibNull - MODULE_UNI_FILE =3D BasePciSegmentInfoLibNull.uni - FILE_GUID =3D 36B28584-C6AE-4B1B-A473-A51618EE525A - MODULE_TYPE =3D BASE + INF_VERSION =3D 0x0001001A + BASE_NAME =3D StandaloneMmDriverEntryPoint + FILE_GUID =3D BBC33478-98F8-4B78-B29D-574D681B7E43 + MODULE_TYPE =3D MM_STANDALONE VERSION_STRING =3D 1.0 - LIBRARY_CLASS =3D PciSegmentInfoLib + PI_SPECIFICATION_VERSION =3D 0x00010032 + LIBRARY_CLASS =3D StandaloneMmDriverEntryPoint|MM_STAND= ALONE =20 # # The following information is for reference only and not required by the = build tools. @@ -31,11 +30,12 @@ [Defines] # =20 [Sources] - PciSegmentInfoLib.c + StandaloneMmDriverEntryPoint.c =20 [Packages] MdePkg/MdePkg.dec =20 [LibraryClasses] - PcdLib + BaseLib DebugLib + --=20 2.7.4 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel