1 /* 2 * Copyright (c) 2015, Linaro Ltd. and Contributors. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * Redistributions of source code must retain the above copyright notice, this 8 * list of conditions and the following disclaimer. 9 * 10 * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * Neither the name of ARM nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific 16 * prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef __FASTBOOT_H__ 32 #define __FASTBOOT_H__ 33 34 #include <sys/types.h> 35 36 typedef struct sparse_header { 37 uint32_t magic; 38 uint16_t major_version; 39 uint16_t minor_version; 40 uint16_t file_hdr_sz; 41 uint16_t chunk_hdr_sz; 42 uint32_t blk_sz; 43 uint32_t total_blks; 44 uint32_t total_chunks; 45 uint32_t image_checksum; 46 } sparse_header_t; 47 48 #define SPARSE_HEADER_MAGIC 0xed26ff3a 49 50 #define CHUNK_TYPE_RAW 0xCAC1 51 #define CHUNK_TYPE_FILL 0xCAC2 52 #define CHUNK_TYPE_DONT_CARE 0xCAC3 53 #define CHUNK_TYPE_CRC32 0xCAC4 54 55 typedef struct chunk_header { 56 uint16_t chunk_type; /* 0xCAC1 -> raw; 0xCAC2 -> fill; 0xCAC3 -> don't care */ 57 uint16_t reserved1; 58 uint32_t chunk_sz; /* in blocks in output image */ 59 uint32_t total_sz; /* in bytes of chunk input file including chunk header and data */ 60 } chunk_header_t; 61 62 #endif /* __FASTBOOT_H__ */ 63