mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
synced 2024-12-27 03:46:02 +00:00
85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2019-2020 shchmue
|
||
|
|
*
|
||
|
|
* 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/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
ISC License
|
||
|
|
|
||
|
|
hactool Copyright (c) 2018, SciresM
|
||
|
|
|
||
|
|
Permission to use, copy, modify, and/or distribute this software for any
|
||
|
|
purpose with or without fee is hereby granted, provided that the above
|
||
|
|
copyright notice and this permission notice appear in all copies.
|
||
|
|
|
||
|
|
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||
|
|
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||
|
|
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||
|
|
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||
|
|
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _JOURNAL_MAP_H_
|
||
|
|
#define _JOURNAL_MAP_H_
|
||
|
|
|
||
|
|
#include "storage.h"
|
||
|
|
|
||
|
|
#include <utils/types.h>
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#define JOURNAL_MAP_ENTRY_SIZE 8
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
uint32_t version;
|
||
|
|
uint32_t main_data_block_count;
|
||
|
|
uint32_t journal_block_count;
|
||
|
|
uint32_t _0x0C;
|
||
|
|
} journal_map_header_t;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
uint8_t *map_storage;
|
||
|
|
uint8_t *physical_block_bitmap;
|
||
|
|
uint8_t *virtual_block_bitmap;
|
||
|
|
uint8_t *free_block_bitmap;
|
||
|
|
} journal_map_params_t;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
uint32_t physical_index;
|
||
|
|
uint32_t virtual_index;
|
||
|
|
} journal_map_entry_t;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
journal_map_header_t *header;
|
||
|
|
journal_map_entry_t *entries;
|
||
|
|
uint8_t *map_storage;
|
||
|
|
uint8_t *modified_physical_blocks;
|
||
|
|
uint8_t *modified_virtual_blocks;
|
||
|
|
uint8_t *free_blocks;
|
||
|
|
} journal_map_ctx_t;
|
||
|
|
|
||
|
|
static ALWAYS_INLINE uint32_t save_journal_map_entry_make_physical_index(uint32_t index) {
|
||
|
|
return index | 0x80000000;
|
||
|
|
}
|
||
|
|
|
||
|
|
static ALWAYS_INLINE uint32_t save_journal_map_entry_get_physical_index(uint32_t index) {
|
||
|
|
return index & 0x7FFFFFFF;
|
||
|
|
}
|
||
|
|
|
||
|
|
void save_journal_map_init(journal_map_ctx_t *ctx, journal_map_header_t *header, journal_map_params_t *map_info);
|
||
|
|
|
||
|
|
#endif
|