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Diffstat (limited to '')
| -rw-r--r-- | mmcutils/mmcutils.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/mmcutils/mmcutils.h b/mmcutils/mmcutils.h new file mode 100644 index 000000000..5b10fdca4 --- /dev/null +++ b/mmcutils/mmcutils.h @@ -0,0 +1,91 @@ +/* + * 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_ + + |