1 /*
2 * Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification,
5 * are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice, this list of
8 * conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11 * of conditions and the following disclaimer in the documentation and/or other materials
12 * provided with the distribution.
13 *
14 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific prior written
16 * permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
27 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
28 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31
32 #include "ram_virt_flash.h"
33
34 #if (LOSCFG_SUPPORT_LITTLEFS == 1)
35 #include "fs_lowlevel.h"
36
littlefs_block_read(const struct lfs_config * c,lfs_block_t block,lfs_off_t off,VOID * dst,lfs_size_t size)37 INT32 littlefs_block_read(const struct lfs_config *c, lfs_block_t block,
38 lfs_off_t off, VOID *dst, lfs_size_t size)
39 {
40 UINT32 addr = c->block_size * block + off;
41 return virt_flash_read((HalPartition)c->context, &addr, dst, size);
42 }
43
littlefs_block_write(const struct lfs_config * c,lfs_block_t block,lfs_off_t off,const VOID * dst,lfs_size_t size)44 INT32 littlefs_block_write(const struct lfs_config *c, lfs_block_t block,
45 lfs_off_t off, const VOID *dst, lfs_size_t size)
46 {
47 UINT32 addr = c->block_size * block + off;
48 return virt_flash_write((HalPartition)c->context, &addr, dst, size);
49 }
50
littlefs_block_erase(const struct lfs_config * c,lfs_block_t block)51 INT32 littlefs_block_erase(const struct lfs_config *c, lfs_block_t block)
52 {
53 UINT32 addr = c->block_size * block;
54 return virt_flash_erase((HalPartition)c->context, addr, c->block_size);
55 }
56
littlefs_block_sync(const struct lfs_config * c)57 INT32 littlefs_block_sync(const struct lfs_config *c)
58 {
59 return 0;
60 }
61 #endif
62