1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include "los_debug.h"
33
34 #if (LOSCFG_SUPPORT_FATFS == 1)
35 #include "ff_gen_drv.h"
36
37 DiskDrvTypeDef g_diskDrv = { { 0 }, { 0 }, { 0 }, { 0 } };
38
39 /*
40 note: Physical drive 0 for cfiFlash can not be used, may be conflicted with kernel img,
41 so we must assign index=1 when use -drive if=pflash in qemu_run.sh
42 */
SetupVolToPartTable(int index,PARTITION vptable,DiskioDrvTypeDef * dskDrv)43 int SetupVolToPartTable(int index, PARTITION vptable, DiskioDrvTypeDef *dskDrv)
44 {
45 if (index < 0 || index >= FF_VOLUMES) {
46 PRINT_ERR("[%s]the volum index is out of range\n", __func__);
47 return RES_ERROR;
48 }
49 VolToPart[index].di = vptable.di; /* Physics disk id */
50 VolToPart[index].pd = vptable.pd; /* Physical drive number */
51 VolToPart[index].pt = vptable.pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
52 VolToPart[index].ps = vptable.ps; /* Partition start sector */
53 VolToPart[index].pc = vptable.pc; /* Partition sector count */
54
55 g_diskDrv.initialized[index] = 0;
56 g_diskDrv.drv[index] = dskDrv;
57 g_diskDrv.lun[index] = VolToPart[index].pd;
58 return RES_OK;
59 }
60
61 #endif /* LOSCFG_SUPPORT_FATFS == 1 */
62