| 1 | /* |
| 2 | * TRX image file header format. |
| 3 | * |
| 4 | * Copyright 2007, Broadcom Corporation |
| 5 | * All Rights Reserved. |
| 6 | * |
| 7 | * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY |
| 8 | * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM |
| 9 | * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS |
| 10 | * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | #include <typedefs.h> |
| 15 | |
| 16 | #define TRX_MAGIC 0x30524448 /* "HDR0" */ |
| 17 | #define TRX_VERSION 1 /* Version 1 */ |
| 18 | #define TRX_MAX_LEN 0x7A0000 /* Max length */ |
| 19 | #define TRX_NO_HEADER 1 /* Do not write TRX header */ |
| 20 | #define TRX_GZ_FILES 0x2 /* Contains up to TRX_MAX_OFFSET individual gzip files */ |
| 21 | #define TRX_MAX_OFFSET 3 /* Max number of individual files */ |
| 22 | |
| 23 | struct trx_header { |
| 24 | uint32 magic; /* "HDR0" */ |
| 25 | uint32 len; /* Length of file including header */ |
| 26 | uint32 crc32; /* 32-bit CRC from flag_version to end of file */ |
| 27 | uint32 flag_version; /* 0:15 flags, 16:31 version */ |
| 28 | uint32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of header */ |
| 29 | }; |
| 30 | |
| 31 | /* Compatibility */ |
| 32 | typedef struct trx_header TRXHDR, *PTRXHDR; |
| 33 | |