48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
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// This file is part of noxos and licensed under the MIT open source license
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#ifndef NOXOS_GPT_H
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#define NOXOS_GPT_H
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#include "utils/stdtypes.h"
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#define GPT_PARTITION_TYPE_GUID_MATCH(g, t) ((g[0] == g_gpt_partition_type_guides[t][0]) && (g[1] == g_gpt_partition_type_guides[t][1]))
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typedef enum {
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GPT_PARTITION_GUID_UNUSED,
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GPT_PARTITION_GUID_BASIC_DATA,
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GPT_PARTITION_GUID_EFI_SYSTEM,
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GPT_PARTITION_GUID_ENUM_END
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} gpt_partition_type_guids_E;
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typedef struct {
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uint8_t signature [8];
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uint32_t revision;
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uint32_t header_size;
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uint32_t checksum_crc32;
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uint32_t reserved;
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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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uint64_t disk_guid [2];
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uint64_t starting_lba;
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uint32_t num_partitions;
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uint32_t partition_entry_size;
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uint32_t partition_entry_crc32;
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uint8_t reserved2 [0x1A4];
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}__attribute__((packed)) gpt_table_header_T;
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typedef struct {
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uint64_t partition_type_guid [2];
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uint64_t partition_guid [2];
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uint64_t starting_lba;
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uint64_t ending_lba;
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uint64_t attributes;
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uint8_t name [72];
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}__attribute__((packed)) gpt_partition_entry_T;
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extern uint64_t g_gpt_partition_type_guides[GPT_PARTITION_GUID_ENUM_END][2];
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#endif //NOXOS_GPT_H
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