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https://github.com/openhwgroup/cvw
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40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
#pragma once
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#include <stdint.h>
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// LBA 0: Protective MBR
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// ignored here
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// Partition Table Header (LBA 1)
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typedef struct gpt_pth
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{
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uint64_t signature;
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uint32_t revision;
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uint32_t header_size; //! little endian, usually 0x5c = 92
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uint32_t crc_header;
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uint32_t reserved; //! must be 0
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uint64_t current_lba;
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uint64_t backup_lba;
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uint64_t first_usable_lba;
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uint64_t last_usable_lba;
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uint8_t disk_guid[16];
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uint64_t partition_entries_lba;
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uint32_t nr_partition_entries;
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uint32_t size_partition_entry; //! usually 0x80 = 128
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uint32_t crc_partition_entry;
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} gpt_pth_t;
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// Partition Entries (LBA 2-33)
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typedef struct partition_entries
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{
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uint8_t partition_type_guid[16];
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uint8_t partition_guid[16];
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uint64_t first_lba;
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uint64_t last_lba; //! inclusive
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uint64_t attributes;
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uint8_t name[72]; //! utf16 encoded
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} partition_entries_t;
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// Find boot partition and load it to the destination
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int gpt_find_boot_partition(long int* dest, uint32_t size);
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