92 lines
3.5 KiB
C
92 lines
3.5 KiB
C
/*
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* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Code Aurora Forum, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef MMCUTILS_H_
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#define MMCUTILS_H_
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/* Some useful define used to access the MBR/EBR table */
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#define BLOCK_SIZE 0x200
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#define TABLE_ENTRY_0 0x1BE
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#define TABLE_ENTRY_1 0x1CE
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#define TABLE_ENTRY_2 0x1DE
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#define TABLE_ENTRY_3 0x1EE
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#define TABLE_SIGNATURE 0x1FE
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#define TABLE_ENTRY_SIZE 0x010
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#define OFFSET_STATUS 0x00
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#define OFFSET_TYPE 0x04
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#define OFFSET_FIRST_SEC 0x08
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#define OFFSET_SIZE 0x0C
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#define COPYBUFF_SIZE (1024 * 16)
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#define BINARY_IN_TABLE_SIZE (16 * 512)
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#define MAX_FILE_ENTRIES 20
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#define MMC_BOOT_TYPE 0x48
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#define MMC_SYSTEM_TYPE 0x82
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#define MMC_USERDATA_TYPE 0x83
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#define MMC_RECOVERY_TYPE 0x71
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#define MMC_RCA 2
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#define MAX_PARTITIONS 64
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#define GET_LWORD_FROM_BYTE(x) ((unsigned)*(x) | \
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((unsigned)*((x)+1) << 8) | \
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((unsigned)*((x)+2) << 16) | \
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((unsigned)*((x)+3) << 24))
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#define PUT_LWORD_TO_BYTE(x, y) do{*(x) = (y) & 0xff; \
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*((x)+1) = ((y) >> 8) & 0xff; \
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*((x)+2) = ((y) >> 16) & 0xff; \
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*((x)+3) = ((y) >> 24) & 0xff; }while(0)
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#define GET_PAR_NUM_FROM_POS(x) ((((x) & 0x0000FF00) >> 8) + ((x) & 0x000000FF))
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#define MMC_BOOT_TYPE 0x48
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#define MMC_EXT3_TYPE 0x83
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#define MMC_VFAT_TYPE 0xC
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typedef struct MmcPartition MmcPartition;
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/* Functions */
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int mmc_scan_partitions();
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const MmcPartition *mmc_find_partition_by_name(const char *name);
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int mmc_format_ext3 (MmcPartition *partition);
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int mmc_mount_partition(const MmcPartition *partition, const char *mount_point, \
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int read_only);
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int mmc_raw_copy (const MmcPartition *partition, char *in_file);
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int mmc_raw_read (const MmcPartition *partition, char *data, int data_size);
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int mmc_raw_write (const MmcPartition *partition, char *data, int data_size);
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int format_ext2_device(const char *device);
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int format_ext3_device(const char *device);
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#endif // MMCUTILS_H_
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