1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/*
* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Code Aurora Forum, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef MMCUTILS_H_
#define MMCUTILS_H_
/* Some useful define used to access the MBR/EBR table */
#define BLOCK_SIZE 0x200
#define TABLE_ENTRY_0 0x1BE
#define TABLE_ENTRY_1 0x1CE
#define TABLE_ENTRY_2 0x1DE
#define TABLE_ENTRY_3 0x1EE
#define TABLE_SIGNATURE 0x1FE
#define TABLE_ENTRY_SIZE 0x010
#define OFFSET_STATUS 0x00
#define OFFSET_TYPE 0x04
#define OFFSET_FIRST_SEC 0x08
#define OFFSET_SIZE 0x0C
#define COPYBUFF_SIZE (1024 * 16)
#define BINARY_IN_TABLE_SIZE (16 * 512)
#define MAX_FILE_ENTRIES 20
#define MMC_BOOT_TYPE 0x48
#define MMC_SYSTEM_TYPE 0x82
#define MMC_USERDATA_TYPE 0x83
#define MMC_RECOVERY_TYPE 0x71
#define MMC_RCA 2
#define MAX_PARTITIONS 64
#define GET_LWORD_FROM_BYTE(x) ((unsigned)*(x) | \
((unsigned)*((x)+1) << 8) | \
((unsigned)*((x)+2) << 16) | \
((unsigned)*((x)+3) << 24))
#define PUT_LWORD_TO_BYTE(x, y) do{*(x) = (y) & 0xff; \
*((x)+1) = ((y) >> 8) & 0xff; \
*((x)+2) = ((y) >> 16) & 0xff; \
*((x)+3) = ((y) >> 24) & 0xff; }while(0)
#define GET_PAR_NUM_FROM_POS(x) ((((x) & 0x0000FF00) >> 8) + ((x) & 0x000000FF))
#define MMC_BOOT_TYPE 0x48
#define MMC_EXT3_TYPE 0x83
#define MMC_VFAT_TYPE 0xC
typedef struct MmcPartition MmcPartition;
/* Functions */
int mmc_scan_partitions();
const MmcPartition *mmc_find_partition_by_name(const char *name);
int mmc_format_ext3 (MmcPartition *partition);
int mmc_mount_partition(const MmcPartition *partition, const char *mount_point, \
int read_only);
int mmc_raw_copy (const MmcPartition *partition, char *in_file);
int mmc_raw_read (const MmcPartition *partition, char *data, int data_size);
int mmc_raw_write (const MmcPartition *partition, char *data, int data_size);
int format_ext2_device(const char *device);
int format_ext3_device(const char *device);
#endif // MMCUTILS_H_
|
