Picklock_RCM/source/storage/nx_emmc.h

73 lines
1.8 KiB
C

/*
* Copyright (c) 2018 naehrwert
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _NX_EMMC_H_
#define _NX_EMMC_H_
#include "../utils/types.h"
#include "../utils/list.h"
#include "sdmmc.h"
typedef struct _gpt_entry_t
{
u8 type_guid[0x10];
u8 part_guid[0x10];
u64 lba_start;
u64 lba_end;
u64 attrs;
u16 name[36];
} gpt_entry_t;
typedef struct _gpt_header_t
{
u64 signature;
u32 revision;
u32 size;
u32 crc32;
u32 res1;
u64 my_lba;
u64 alt_lba;
u64 first_use_lba;
u64 last_use_lba;
u8 disk_guid[0x10];
u64 part_ent_lba;
u32 num_part_ents;
u32 part_ent_size;
u32 part_ents_crc32;
u8 res2[420];
} gpt_header_t;
#define NX_GPT_FIRST_LBA 1
#define NX_GPT_NUM_BLOCKS 33
#define NX_EMMC_BLOCKSIZE 512
typedef struct _emmc_part_t
{
u32 lba_start;
u32 lba_end;
u64 attrs;
char name[37];
link_t link;
} emmc_part_t;
void nx_emmc_gpt_parse(link_t *gpt, sdmmc_storage_t *storage);
void nx_emmc_gpt_free(link_t *gpt);
emmc_part_t *nx_emmc_part_find(link_t *gpt, const char *name);
int nx_emmc_part_read(sdmmc_storage_t *storage, emmc_part_t *part, u32 sector_off, u32 num_sectors, void *buf);
int nx_emmc_part_write(sdmmc_storage_t *storage, emmc_part_t *part, u32 sector_off, u32 num_sectors, void *buf);
#endif