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diff --git a/EdkCompatibilityPkg/Sample/Platform/Nt32/Ppi/NtThunk/NtThunk.h b/EdkCompatibilityPkg/Sample/Platform/Nt32/Ppi/NtThunk/NtThunk.h
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+++ b/EdkCompatibilityPkg/Sample/Platform/Nt32/Ppi/NtThunk/NtThunk.h
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+/*++
+
+Copyright (c) 2004, Intel Corporation
+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.
+
+Module Name:
+
+ NtThunk.h
+
+Abstract:
+
+ WinNt Thunk interface PPI
+
+--*/
+
+#ifndef _NT_PEI_WIN_NT_THUNK_H_
+#define _NT_PEI_WIN_NT_THUNK_H_
+
+#include "Tiano.h"
+#include "PeiHob.h"
+
+#define PEI_NT_THUNK_GUID \
+ { \
+ 0x98c281e5, 0xf906, 0x43dd, 0xa9, 0x2b, 0xb0, 0x3, 0xbf, 0x27, 0x65, 0xda \
+ }
+
+typedef
+EFI_STATUS
+(EFIAPI *PEI_NT_THUNK_INTERFACE) (
+ IN OUT UINT64 *InterfaceSize,
+ IN OUT EFI_PHYSICAL_ADDRESS * InterfaceBase
+ );
+
+/*++
+
+Routine Description:
+ Export of EFI_WIN_NT_THUNK_PROTOCOL from the Windows SEC.
+
+Arguments:
+ InterfaceSize - sizeof (EFI_WIN_NT_THUNK_PROTOCOL);
+ InterfaceBase - Address of the EFI_WIN_NT_THUNK_PROTOCOL
+
+Returns:
+ EFI_SUCCESS - Data returned
+
+--*/
+typedef struct {
+ PEI_NT_THUNK_INTERFACE NtThunk;
+} PEI_NT_THUNK_PPI;
+
+extern EFI_GUID gPeiNtThunkPpiGuid;
+
+#endif