| /* copyright (c) 2010 Samsung Electronics Co., Ltd. |
| * http://www.samsung.com/ |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| typedef struct _ext4_file_header { |
| unsigned int magic; |
| unsigned short major; |
| unsigned short minor; |
| unsigned short file_header_size; |
| unsigned short chunk_header_size; |
| unsigned int block_size; |
| unsigned int total_blocks; |
| unsigned int total_chunks; |
| unsigned int crc32; |
| }ext4_file_header; |
| |
| |
| typedef struct _ext4_chunk_header { |
| unsigned short type; |
| unsigned short reserved; |
| unsigned int chunk_size; |
| unsigned int total_size; |
| }ext4_chunk_header; |
| |
| #define EXT4_FILE_HEADER_MAGIC 0xED26FF3A |
| #define EXT4_FILE_HEADER_MAJOR 0x0001 |
| #define EXT4_FILE_HEADER_MINOR 0x0000 |
| #define EXT4_FILE_BLOCK_SIZE 0x1000 |
| |
| #define EXT4_FILE_HEADER_SIZE (sizeof(struct _ext4_file_header)) |
| #define EXT4_CHUNK_HEADER_SIZE (sizeof(struct _ext4_chunk_header)) |
| |
| |
| #define EXT4_CHUNK_TYPE_RAW 0xCAC1 |
| #define EXT4_CHUNK_TYPE_FILL 0xCAC2 |
| #define EXT4_CHUNK_TYPE_NONE 0xCAC3 |
| |
| int write_compressed_ext4(char* img_base, unsigned int sector_base); |
| int check_compress_ext4(char *img_base, unsigned long long parti_size); |
| |
