mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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131 lines
3.7 KiB
C
131 lines
3.7 KiB
C
/** @file
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Copyright (C) 2019, Goldfish64. All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef APPLE_DISK_IMAGE_H
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#define APPLE_DISK_IMAGE_H
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//
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// Magic number used to identify the disk image trailer.
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//
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#define APPLE_DISK_IMAGE_MAGIC 0x6B6F6C79
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//
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// Supported disk image version.
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//
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#define APPLE_DISK_IMAGE_VERSION 4
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//
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// Checksum length.
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//
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#define APPLE_DISK_IMAGE_CHECKSUM_SIZE 32
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//
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// Magic number used to identify the disk image block data.
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//
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#define APPLE_DISK_IMAGE_BLOCK_DATA_MAGIC 0x6D697368
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//
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// Sector size.
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//
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#define APPLE_DISK_IMAGE_SECTOR_SIZE 512
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//
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// Disk image checksum type.
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//
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#define APPLE_DISK_IMAGE_CHECKSUM_TYPE_CRC32 0x00000002
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//
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// Disk image chunk type.
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//
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#define APPLE_DISK_IMAGE_CHUNK_TYPE_ZERO 0x00000000
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#define APPLE_DISK_IMAGE_CHUNK_TYPE_RAW 0x00000001
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#define APPLE_DISK_IMAGE_CHUNK_TYPE_IGNORE 0x00000002
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#define APPLE_DISK_IMAGE_CHUNK_TYPE_ADC 0x80000004
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#define APPLE_DISK_IMAGE_CHUNK_TYPE_ZLIB 0x80000005
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#define APPLE_DISK_IMAGE_CHUNK_TYPE_BZ2 0x80000006
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#define APPLE_DISK_IMAGE_CHUNK_TYPE_COMMENT 0x7FFFFFFE
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#define APPLE_DISK_IMAGE_CHUNK_TYPE_LAST 0xFFFFFFFF
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#pragma pack(push, 1)
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//
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// Disk image checksum.
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//
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typedef struct APPLE_DISK_IMAGE_CHECKSUM_ {
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UINT32 Type;
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UINT32 Size;
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UINT32 Data[APPLE_DISK_IMAGE_CHECKSUM_SIZE];
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} APPLE_DISK_IMAGE_CHECKSUM;
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//
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// Disk image chunk (in XML).
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//
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typedef struct APPLE_DISK_IMAGE_CHUNK_ {
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UINT32 Type;
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UINT32 Comment;
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UINT64 SectorNumber;
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UINT64 SectorCount;
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UINT64 CompressedOffset;
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UINT64 CompressedLength;
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} APPLE_DISK_IMAGE_CHUNK;
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//
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// Disk image block data (in XML).
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//
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typedef struct APPLE_DISK_IMAGE_BLOCK_DATA_ {
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UINT32 Signature;
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UINT32 Version;
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UINT64 SectorNumber;
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UINT64 SectorCount;
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UINT64 DataOffset;
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UINT32 BuffersNeeded;
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UINT32 BlockDescriptors;
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UINT32 Reserved[6];
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APPLE_DISK_IMAGE_CHECKSUM Checksum;
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UINT32 ChunkCount;
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APPLE_DISK_IMAGE_CHUNK Chunks[];
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} APPLE_DISK_IMAGE_BLOCK_DATA;
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//
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// Disk image trailer.
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//
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typedef struct APPLE_DISK_IMAGE_TRAILER_ {
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UINT32 Signature;
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UINT32 Version;
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UINT32 HeaderSize;
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UINT32 Flags;
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UINT64 RunningDataForkOffset;
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UINT64 DataForkOffset;
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UINT64 DataForkLength;
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UINT64 RsrcForkOffset;
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UINT64 RsrcForkLength;
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UINT32 SegmentNumber;
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UINT32 SegmentCount;
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GUID SegmentId;
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APPLE_DISK_IMAGE_CHECKSUM DataForkChecksum;
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UINT64 XmlOffset;
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UINT64 XmlLength;
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UINT8 Reserved1[120];
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APPLE_DISK_IMAGE_CHECKSUM Checksum;
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UINT32 ImageVariant;
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UINT64 SectorCount;
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UINT32 Reserved2[3];
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} APPLE_DISK_IMAGE_TRAILER;
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#pragma pack(pop)
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#endif // APPLE_DISK_IMAGE_H
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