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diff --git a/StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDriverEntryPoint.c b/StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDriverEntryPoint.c
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+++ b/StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDriverEntryPoint.c
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+/** @file
+ Entry point to a Standalone MM driver.
+
+Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2016 - 2018, ARM Ltd. All rights reserved.<BR>
+
+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 <PiMm.h>
+
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+
+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 normally.
+ @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 IN EFI_MM_SYSTEM_TABLE *MmSystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // Call constructor for all libraries
+ //
+ ProcessLibraryConstructorList (ImageHandle, MmSystemTable);
+
+ //
+ // Call the driver entry point
+ //
+ Status = 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;
+}
+