Support the platform specific event hooks which can be customized.

MsCorePkg/Include/Library/BdsPlatformEventLib.h

@@ -0,0 +1,36 @@
+/**
+  This file include the platform specific event hooks which can be customized by IBV/OEM.
+
+  Copyright (C) Microsoft Corporation. All rights reserved.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _BDS_PLATFORM_EVENT_LIB_H_
+#define _BDS_PLATFORM_EVENT_LIB_H_
+
+/**
+  The Hook Before End Of Dxe Event. it used for customized porting.
+**/
+VOID
+BeforeEndOfDxeEventHook (
+  VOID
+  );
+
+/**
+  The Hook After End Of Dxe Event. it used for customized porting.
+**/
+VOID
+AfterEndOfDxeEventHook (
+  VOID
+  );
+
+/**
+  The Hook Dispatch the deferred 3rd party images Event. it used for customized porting.
+**/
+VOID
+AfterDispatchDeferredImagesHook (
+  VOID
+  );
+
+#endif

MsCorePkg/Library/BdsPlatformEventLibNull/BdsPlatformEventLibNull.c

@@ -0,0 +1,42 @@
+/** @file
+  This file include the platform specific event hooks which can be customized by IBV/OEM.
+
+  Copyright (C) Microsoft Corporation. All rights reserved.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Uefi.h>
+
+/**
+  The Hook Before End Of Dxe Event. it used for customized porting.
+**/
+VOID
+BeforeEndOfDxeEventHook (
+  VOID
+  )
+{
+  return;
+}
+
+/**
+  The Hook After End Of Dxe Event. it used for customized porting.
+**/
+VOID
+AfterEndOfDxeEventHook (
+  VOID
+  )
+{
+  return;
+}
+
+/**
+  The Hook Dispatch the deferred 3rd party images Event. it used for customized porting.
+**/
+VOID
+AfterDispatchDeferredImagesHook (
+  VOID
+  )
+{
+  return;
+}

MsCorePkg/Library/BdsPlatformEventLibNull/BdsPlatformEventLibNull.inf

@@ -0,0 +1,34 @@
+/** @file
+  *This file include the platform specific event hooks which can be customized by IBV/OEM.
+
+  Copyright (C) Microsoft Corporation. All rights reserved.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+
+[Defines]
+INF_VERSION                    = 0x00010018
+BASE_NAME                      = BdsPlatformEventLibNull
+FILE_GUID                      = 55000994-06FB-43AB-A648-CD9CB2A7B273
+VERSION_STRING                 = 1.0
+MODULE_TYPE                    = DXE_DRIVER
+UEFI_SPECIFICATION_VERSION     = 2.7
+LIBRARY_CLASS                  = BdsPlatformEventLib|DXE_DRIVER
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 EBC
+#
+
+[Sources]
+  BdsPlatformEventLibNull.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  MsCorePkg/MsCorePkg.dec
+
+[LibraryClasses]
+  BaseLib

MsCorePkg/Library/PlatformBootManagerLib/BdsPlatform.c

@@ -41,11 +41,15 @@ ExitPmAuth (
 
   DEBUG ((DEBUG_INFO, "ExitPmAuth ()- Start\n"));
 
+  BeforeEndOfDxeEventHook ();
+
   //
   // Since PI1.2.1, we need signal EndOfDxe as ExitPmAuth
   //
   EfiEventGroupSignal (&gEfiEndOfDxeEventGroupGuid);
 
+  AfterEndOfDxeEventHook ();
+
   DEBUG ((DEBUG_INFO, "All EndOfDxe callbacks have returned successfully\n"));
 
   //
@@ -267,6 +271,8 @@ PlatformBootManagerBeforeConsole (
   // Dispatch the deferred 3rd party images.
   //
   EfiBootManagerDispatchDeferredImages ();
+
+  AfterDispatchDeferredImagesHook ();
 }
 
 VOID

MsCorePkg/Library/PlatformBootManagerLib/BdsPlatform.h

@@ -43,6 +43,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 #include <Library/DeviceBootManagerLib.h>
 #include <Library/HobLib.h>
 #include <Library/PerformanceLib.h>
+#include <Library/BdsPlatformEventLib.h>
 
 #include <IndustryStandard/Pci30.h>
 

MsCorePkg/Library/PlatformBootManagerLib/PlatformBootManagerLib.inf

@@ -51,6 +51,7 @@ CONSTRUCTOR                    = PlatformBootManagerEntry
   UefiBootServicesTableLib
   UefiLib
   UefiRuntimeServicesTableLib
+  BdsPlatformEventLib # MS_CHANGE
 
 [Protocols]
   gEfiPciRootBridgeIoProtocolGuid     ## CONSUMES

MsCorePkg/MsCorePkg.dec

@@ -70,6 +70,10 @@
   #
   MacAddressEmulationPlatformLib|Include/Library/MacAddressEmulationPlatformLib.h
 
+  ## @libraryclass Supports the platform specific event hooks.
+  #
+  BdsPlatformEventLib|Include/Library/BdsPlatformEventLib.h
+
 [Guids]
   #  {a2966407-1f6b-4c86-b21e-fcc474c6f28e}
   gMsCorePkgTokenSpaceGuid = { 0xa2966407, 0x1f6b, 0x4c86, { 0xb2, 0x1e, 0xfc, 0xc4, 0x74, 0xc6, 0xf2, 0x8e }}

MsCorePkg/MsCorePkg.dsc

@@ -90,6 +90,8 @@
 
   MacAddressEmulationPlatformLib|MsCorePkg/Library/MacAddressEmulationPlatformLibNull/MacAddressEmulationPlatformLibNull.inf
 
+  BdsPlatformEventLib|MsCorePkg/Library/BdsPlatformEventLibNull/BdsPlatformEventLibNull.inf
+
 [LibraryClasses.common.UEFI_APPLICATION]
   UnitTestPersistenceLib|UnitTestFrameworkPkg/Library/UnitTestPersistenceLibSimpleFileSystem/UnitTestPersistenceLibSimpleFileSystem.inf
   UnitTestResultReportLib|XmlSupportPkg/Library/UnitTestResultReportJUnitFormatLib/UnitTestResultReportLib.inf
@@ -206,6 +208,7 @@
   }
   MsCorePkg/MacAddressEmulationDxe/MacAddressEmulationDxe.inf
   MsCorePkg/Library/MacAddressEmulationPlatformLibNull/MacAddressEmulationPlatformLibNull.inf
+  MsCorePkg/Library/BdsPlatformEventLibNull/BdsPlatformEventLibNull.inf
 
 [Components.AARCH64, Components.AARCH64]
   MsCorePkg/Library/MemoryProtectionExceptionHandlerLib/MemoryProtectionExceptionHandlerLib.inf