85 lines
1.7 KiB
C
85 lines
1.7 KiB
C
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/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2019 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MBR_GPT_H
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#define MBR_GPT_H
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#include <utils/types.h>
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typedef struct _mbr_chs_t
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{
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u8 head;
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u8 sector;
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u8 cylinder;
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} __attribute__((packed)) mbr_chs_t;
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typedef struct _mbr_part_t
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{
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u8 status;
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mbr_chs_t start_sct_chs;
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u8 type;
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mbr_chs_t end_sct_chs;
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u32 start_sct;
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u32 size_sct;
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} __attribute__((packed)) mbr_part_t;
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typedef struct _mbr_t
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{
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u8 bootstrap[440];
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u32 signature;
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u16 copy_protected;
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mbr_part_t partitions[4];
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u16 boot_signature;
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} __attribute__((packed)) mbr_t;
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typedef struct _gpt_entry_t
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{
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u8 type_guid[0x10];
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u8 part_guid[0x10];
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u64 lba_start;
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u64 lba_end;
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u64 attrs;
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u16 name[36];
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} gpt_entry_t;
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typedef struct _gpt_header_t
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{
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u64 signature; // "EFI PART"
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u32 revision;
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u32 size;
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u32 crc32;
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u32 res1;
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u64 my_lba;
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u64 alt_lba;
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u64 first_use_lba;
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u64 last_use_lba;
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u8 disk_guid[0x10];
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u64 part_ent_lba;
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u32 num_part_ents;
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u32 part_ent_size;
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u32 part_ents_crc32;
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u8 res2[420]; // Used as first 3 partition entries backup for HOS.
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} gpt_header_t;
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typedef struct _gpt_t
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{
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gpt_header_t header;
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gpt_entry_t entries[128];
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} gpt_t;
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#endif
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