73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
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* Copyright (c) 2018 naehrwert
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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 _NX_EMMC_H_
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#define _NX_EMMC_H_
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#include "../utils/types.h"
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#include "../utils/list.h"
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#include "sdmmc.h"
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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;
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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];
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} gpt_header_t;
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#define NX_GPT_FIRST_LBA 1
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#define NX_GPT_NUM_BLOCKS 33
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#define NX_EMMC_BLOCKSIZE 512
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typedef struct _emmc_part_t
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{
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u32 lba_start;
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u32 lba_end;
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u64 attrs;
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char name[37];
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link_t link;
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} emmc_part_t;
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void nx_emmc_gpt_parse(link_t *gpt, sdmmc_storage_t *storage);
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void nx_emmc_gpt_free(link_t *gpt);
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emmc_part_t *nx_emmc_part_find(link_t *gpt, const char *name);
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int nx_emmc_part_read(sdmmc_storage_t *storage, emmc_part_t *part, u32 sector_off, u32 num_sectors, void *buf);
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int nx_emmc_part_write(sdmmc_storage_t *storage, emmc_part_t *part, u32 sector_off, u32 num_sectors, void *buf);
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#endif
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