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diff --git a/MiscFramework/Guid/AcpiVariable/AcpiVariable.h b/MiscFramework/Guid/AcpiVariable/AcpiVariable.h
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+++ b/MiscFramework/Guid/AcpiVariable/AcpiVariable.h
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+//
+// This file contains an 'Intel Peripheral Driver' and is      
+// licensed for Intel CPUs and chipsets under the terms of your
+// license agreement with Intel or your vendor.  This file may 
+// be modified by the user, subject to additional terms of the 
+// license agreement                                           
+//
+/*++
+
+Copyright (c)  1999 - 2003 Intel Corporation. All rights reserved
+This software and associated documentation (if any) is furnished
+under a license and may only be used or copied in accordance
+with the terms of the license. Except as permitted by such
+license, no part of this software or documentation may be
+reproduced, stored in a retrieval system, or transmitted in any
+form or by any means without the express written consent of
+Intel Corporation.
+
+
+Module Name:
+  
+    AcpiVariable.h
+    
+Abstract:
+
+    GUIDs used for ACPI variables.
+
+--*/
+
+#ifndef _ACPI_VARIABLE_H_
+#define _ACPI_VARIABLE_H_
+
+#define EFI_ACPI_VARIABLE_GUID \
+  { \
+    0xaf9ffd67, 0xec10, 0x488a, 0x9d, 0xfc, 0x6c, 0xbf, 0x5e, 0xe2, 0x2c, 0x2e \
+  }
+
+#define ACPI_GLOBAL_VARIABLE  L"AcpiGlobalVariable"
+
+//
+// The following structure combine all ACPI related variables into one in order
+// to boost performance
+//
+#pragma pack (1)
+typedef struct {
+  UINT16              Limit;
+  UINTN               Base;
+} PSEUDO_DESCRIPTOR;
+#pragma pack()
+
+typedef struct {
+  BOOLEAN                         APState;
+  BOOLEAN                         S3BootPath;
+  EFI_PHYSICAL_ADDRESS            WakeUpBuffer;
+  EFI_PHYSICAL_ADDRESS            GdtrProfile;
+  EFI_PHYSICAL_ADDRESS            IdtrProfile;
+  EFI_PHYSICAL_ADDRESS            CpuPrivateData;
+  EFI_PHYSICAL_ADDRESS            StackAddress;
+  EFI_PHYSICAL_ADDRESS            MicrocodePointerBuffer;
+  
+  EFI_PHYSICAL_ADDRESS            SmramBase;
+  EFI_PHYSICAL_ADDRESS            SmmStartImageBase;
+  UINT32                          SmmStartImageSize;
+  UINT32                          NumberOfCpus;
+  UINT32                          ApInitDone;
+} ACPI_CPU_DATA;
+
+typedef struct {
+  //
+  // Acpi Related variables
+  //
+  EFI_PHYSICAL_ADDRESS  AcpiReservedMemoryBase;
+  UINT32                AcpiReservedMemorySize;
+  EFI_PHYSICAL_ADDRESS  S3ReservedLowMemoryBase;
+  EFI_PHYSICAL_ADDRESS  AcpiBootScriptTable;
+  EFI_PHYSICAL_ADDRESS  RuntimeScriptTableBase;
+  EFI_PHYSICAL_ADDRESS  AcpiFacsTable;
+  UINT64                SystemMemoryLength;
+  ACPI_CPU_DATA         AcpiCpuData;
+} ACPI_VARIABLE_SET;
+
+extern EFI_GUID gEfiAcpiVariableGuid;
+
+#endif