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diff --git a/OldMdePkg/Include/IndustryStandard/ElTorito.h b/OldMdePkg/Include/IndustryStandard/ElTorito.h
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--- a/OldMdePkg/Include/IndustryStandard/ElTorito.h
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-/** @file
- ElTorito Partitions Format Definition.
-
-Copyright (c) 2006, 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.
-
---*/
-
-#ifndef _ELTORITO_H_
-#define _ELTORITO_H_
-
-//
-// CDROM_VOLUME_DESCRIPTOR.Types
-//
-#define CDVOL_TYPE_STANDARD 0x0
-#define CDVOL_TYPE_CODED 0x1
-#define CDVOL_TYPE_END 0xFF
-
-//
-// CDROM_VOLUME_DESCRIPTOR.Id
-//
-#define CDVOL_ID "CD001"
-
-//
-// CDROM_VOLUME_DESCRIPTOR.SystemId
-//
-#define CDVOL_ELTORITO_ID "EL TORITO SPECIFICATION"
-
-//
-// Indicator types
-//
-#define ELTORITO_ID_CATALOG 0x01
-#define ELTORITO_ID_SECTION_BOOTABLE 0x88
-#define ELTORITO_ID_SECTION_NOT_BOOTABLE 0x00
-#define ELTORITO_ID_SECTION_HEADER 0x90
-#define ELTORITO_ID_SECTION_HEADER_FINAL 0x91
-
-//
-// ELTORITO_CATALOG.Boot.MediaTypes
-//
-#define ELTORITO_NO_EMULATION 0x00
-#define ELTORITO_12_DISKETTE 0x01
-#define ELTORITO_14_DISKETTE 0x02
-#define ELTORITO_28_DISKETTE 0x03
-#define ELTORITO_HARD_DISK 0x04
-
-
-#pragma pack(1)
-
-//
-// El Torito Volume Descriptor
-// Note that the CDROM_VOLUME_DESCRIPTOR does not match the ISO-9660
-// descriptor. For some reason descriptor used by El Torito is
-// different, but they start the same. The El Torito descriptor
-// is left shifted 1 byte starting with the SystemId. (Note this
-// causes the field to get unaligned)
-//
-typedef struct {
- UINT8 Type;
- CHAR8 Id[5]; // CD001
- UINT8 Version;
- CHAR8 SystemId[26];
- CHAR8 Unused[38];
- UINT8 EltCatalog[4];
- CHAR8 Unused2[5];
- UINT32 VolSpaceSize[2];
-} CDROM_VOLUME_DESCRIPTOR;
-
-//
-// Catalog Entry
-//
-typedef union {
- struct {
- CHAR8 Reserved[0x20];
- } Unknown;
-
- //
- // Catalog validation entry (Catalog header)
- //
- struct {
- UINT8 Indicator;
- UINT8 PlatformId;
- UINT16 Reserved;
- CHAR8 ManufacId[24];
- UINT16 Checksum;
- UINT16 Id55AA;
- } Catalog;
-
- //
- // Initial/Default Entry or Section Entry
- //
- struct {
- UINT8 Indicator;
- UINT8 MediaType : 4;
- UINT8 Reserved1 : 4;
- UINT16 LoadSegment;
- UINT8 SystemType;
- UINT8 Reserved2;
- UINT16 SectorCount;
- UINT32 Lba;
- } Boot;
-
- //
- // Section Header Entry
- //
- struct {
- UINT8 Indicator;
- UINT8 PlatformId;
- UINT16 SectionEntries;
- CHAR8 Id[28];
- } Section;
-
-} ELTORITO_CATALOG;
-
-#pragma pack()
-
-#endif