1 /* 2 * TRX image file header format. 3 * 4 * Copyright (C) 1999-2009, Broadcom Corporation 5 * 6 * Unless you and Broadcom execute a separate written software license 7 * agreement governing use of this software, this software is licensed to you 8 * under the terms of the GNU General Public License version 2 (the "GPL"), 9 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 10 * following added to such license: 11 * 12 * As a special exception, the copyright holders of this software give you 13 * permission to link this software with independent modules, and to copy and 14 * distribute the resulting executable under terms of your choice, provided that 15 * you also meet, for each linked independent module, the terms and conditions of 16 * the license of that module. An independent module is a module which is not 17 * derived from this software. The special exception does not apply to any 18 * modifications of the software. 19 * 20 * Notwithstanding the above, under no circumstances may you combine this 21 * software in any way with any other Broadcom software provided under a license 22 * other than the GPL, without Broadcom's express prior written consent. 23 * 24 * $Id: trxhdr.h,v 13.11.310.1 2008/08/17 12:58:58 Exp $ 25 */ 26 27 #include <typedefs.h> 28 29 #define TRX_MAGIC 0x30524448 /* "HDR0" */ 30 #define TRX_VERSION 1 /* Version 1 */ 31 #define TRX_MAX_LEN 0x3A0000 /* Max length */ 32 #define TRX_NO_HEADER 1 /* Do not write TRX header */ 33 #define TRX_GZ_FILES 0x2 /* Contains up to TRX_MAX_OFFSET individual gzip files */ 34 #define TRX_MAX_OFFSET 3 /* Max number of individual files */ 35 #define TRX_UNCOMP_IMAGE 0x20 /* Trx contains uncompressed rtecdc.bin image */ 36 37 struct trx_header { 38 uint32 magic; /* "HDR0" */ 39 uint32 len; /* Length of file including header */ 40 uint32 crc32; /* 32-bit CRC from flag_version to end of file */ 41 uint32 flag_version; /* 0:15 flags, 16:31 version */ 42 uint32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of header */ 43 }; 44 45 /* Compatibility */ 46 typedef struct trx_header TRXHDR, *PTRXHDR; 47