mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
synced 2024-11-08 13:11:54 +00:00
76 lines
2.7 KiB
C
76 lines
2.7 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 _DUPLEX_STORAGE_H_
|
|
#define _DUPLEX_STORAGE_H_
|
|
|
|
#include "storage.h"
|
|
|
|
#include <stdint.h>
|
|
|
|
#define DUPLEX_BITMAP_SIZE_BITS 0x200
|
|
#define DUPLEX_BITMAP_SIZE_BYTES 0x40
|
|
|
|
typedef struct {
|
|
uint8_t *data;
|
|
uint8_t *bitmap;
|
|
} duplex_bitmap_t;
|
|
|
|
typedef struct {
|
|
uint32_t block_size;
|
|
substorage bitmap_storage;
|
|
substorage data_a;
|
|
substorage data_b;
|
|
duplex_bitmap_t bitmap;
|
|
uint64_t _length;
|
|
substorage base_storage;
|
|
} duplex_storage_ctx_t;
|
|
|
|
static ALWAYS_INLINE void save_bitmap_set_bit(void *buffer, uint64_t bit_offset) {
|
|
*((uint8_t *)buffer + (bit_offset >> 3)) |= 1 << (bit_offset & 7);
|
|
}
|
|
|
|
static ALWAYS_INLINE void save_bitmap_clear_bit(void *buffer, uint64_t bit_offset) {
|
|
*((uint8_t *)buffer + (bit_offset >> 3)) &= ~(uint8_t)(1 << (bit_offset & 7));
|
|
}
|
|
|
|
static ALWAYS_INLINE uint8_t save_bitmap_check_bit(const void *buffer, uint64_t bit_offset) {
|
|
return *((uint8_t *)buffer + (bit_offset >> 3)) & (1 << (bit_offset & 7));
|
|
}
|
|
|
|
void save_duplex_storage_init(duplex_storage_ctx_t *ctx, uint8_t *data_a, uint8_t *data_b, uint32_t block_size_power, void *bitmap, uint64_t bitmap_size);
|
|
uint32_t save_duplex_storage_read(duplex_storage_ctx_t *ctx, void *buffer, uint64_t offset, uint64_t count);
|
|
uint32_t save_duplex_storage_write(duplex_storage_ctx_t *ctx, const void *buffer, uint64_t offset, uint64_t count);
|
|
|
|
#endif
|