1 files changed, 121 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/UefiApplicationEntryPoint/ApplicationEntryPoint.c b/Core/MdePkg/Library/UefiApplicationEntryPoint/ApplicationEntryPoint.c
new file mode 100644
index 0000000000..dc05b23fd8
--- /dev/null
+++ b/Core/MdePkg/Library/UefiApplicationEntryPoint/ApplicationEntryPoint.c
@@ -0,0 +1,121 @@
+/** @file
+  Entry point library instance to a UEFI application.
+
+Copyright (c) 2007 - 2010, Intel Corporation. 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 <Uefi.h>
+#include <Library/UefiApplicationEntryPoint.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+
+
+/**
+  Entry point to UEFI Application.
+
+  This function is the entry point for a UEFI Application. This function must call
+  ProcessLibraryConstructorList(), ProcessModuleEntryPointList(), and ProcessLibraryDestructorList().
+  The return value from ProcessModuleEntryPointList() is returned.
+  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 UEFI Application.
+  @param  SystemTable                A pointer to the EFI System Table.
+
+  @retval  EFI_SUCCESS               The UEFI Application 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 EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  EFI_STATUS                 Status;
+
+  if (_gUefiDriverRevision != 0) {
+    //
+    // Make sure that the EFI/UEFI spec revision of the platform is >= EFI/UEFI spec revision of the application.
+    //
+    if (SystemTable->Hdr.Revision < _gUefiDriverRevision) {
+      return EFI_INCOMPATIBLE_VERSION;
+    }
+  }
+
+  //
+  // Call constructor for all libraries.
+  //
+  ProcessLibraryConstructorList (ImageHandle, SystemTable);
+
+  //
+  // Call the module's entry point
+  //
+  Status = ProcessModuleEntryPointList (ImageHandle, SystemTable);
+
+  //
+  // Process destructor for all libraries.
+  //
+  ProcessLibraryDestructorList (ImageHandle, SystemTable);
+
+  //
+  // Return the return status code from the driver entry point
+  //
+  return Status;
+}
+
+
+/**
+  Invokes the library destructors for all dependent libraries and terminates
+  the UEFI Application. 
+
+  This function calls ProcessLibraryDestructorList() and the EFI Boot Service Exit()
+  with a status specified by Status.
+
+  @param  Status  Status returned by the application that is exiting.
+  
+**/
+VOID
+EFIAPI
+Exit (
+  IN EFI_STATUS  Status
+  )
+
+{
+  ProcessLibraryDestructorList (gImageHandle, gST);
+
+  gBS->Exit (gImageHandle, Status, 0, NULL);
+}
+
+
+/**
+  Required by the EBC compiler and identical in functionality to _ModuleEntryPoint(). 
+
+  @param  ImageHandle  The image handle of the UEFI Application.
+  @param  SystemTable  A pointer to the EFI System Table.
+
+  @retval  EFI_SUCCESS               The UEFI Application exited normally.
+  @retval  EFI_INCOMPATIBLE_VERSION  _gUefiDriverRevision is greater than SystemTable->Hdr.Revision.
+  @retval  Other                     Return value from ProcessModuleEntryPointList().
+
+**/
+EFI_STATUS
+EFIAPI
+EfiMain (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  return _ModuleEntryPoint (ImageHandle, SystemTable);
+}