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86 lines
3.4 KiB
86 lines
3.4 KiB
/* |
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* TRX image file header format. |
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* |
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* Copyright (C) 1999-2013, Broadcom Corporation |
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* |
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* Permission to use, copy, modify, and/or distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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* |
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* $Id: trxhdr.h 349211 2012-08-07 09:45:24Z $ |
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*/ |
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#ifndef _TRX_HDR_H |
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#define _TRX_HDR_H |
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#include <typedefs.h> |
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#define TRX_MAGIC 0x30524448 /* "HDR0" */ |
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#define TRX_MAX_LEN 0x3B0000 /* Max length */ |
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#define TRX_NO_HEADER 1 /* Do not write TRX header */ |
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#define TRX_GZ_FILES 0x2 /* Contains up to TRX_MAX_OFFSET individual gzip files */ |
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#define TRX_EMBED_UCODE 0x8 /* Trx contains embedded ucode image */ |
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#define TRX_ROMSIM_IMAGE 0x10 /* Trx contains ROM simulation image */ |
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#define TRX_UNCOMP_IMAGE 0x20 /* Trx contains uncompressed rtecdc.bin image */ |
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#define TRX_BOOTLOADER 0x40 /* the image is a bootloader */ |
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#define TRX_V1 1 |
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#define TRX_V1_MAX_OFFSETS 3 /* V1: Max number of individual files */ |
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#ifndef BCMTRXV2 |
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#define TRX_VERSION TRX_V1 /* Version 1 */ |
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#define TRX_MAX_OFFSET TRX_V1_MAX_OFFSETS |
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#endif |
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/* BMAC Host driver/application like bcmdl need to support both Ver 1 as well as |
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* Ver 2 of trx header. To make it generic, trx_header is structure is modified |
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* as below where size of "offsets" field will vary as per the TRX version. |
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* Currently, BMAC host driver and bcmdl are modified to support TRXV2 as well. |
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* To make sure, other applications like "dhdl" which are yet to be enhanced to support |
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* TRXV2 are not broken, new macro and structure defintion take effect only when BCMTRXV2 |
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* is defined. |
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*/ |
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struct trx_header { |
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uint32 magic; /* "HDR0" */ |
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uint32 len; /* Length of file including header */ |
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uint32 crc32; /* 32-bit CRC from flag_version to end of file */ |
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uint32 flag_version; /* 0:15 flags, 16:31 version */ |
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#ifndef BCMTRXV2 |
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uint32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of header */ |
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#else |
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uint32 offsets[1]; /* Offsets of partitions from start of header */ |
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#endif |
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}; |
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#ifdef BCMTRXV2 |
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#define TRX_VERSION TRX_V2 /* Version 2 */ |
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#define TRX_MAX_OFFSET TRX_V2_MAX_OFFSETS |
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#define TRX_V2 2 |
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/* V2: Max number of individual files |
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* To support SDR signature + Config data region |
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*/ |
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#define TRX_V2_MAX_OFFSETS 5 |
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#define SIZEOF_TRXHDR_V1 (sizeof(struct trx_header)+(TRX_V1_MAX_OFFSETS-1)*sizeof(uint32)) |
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#define SIZEOF_TRXHDR_V2 (sizeof(struct trx_header)+(TRX_V2_MAX_OFFSETS-1)*sizeof(uint32)) |
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#define TRX_VER(trx) (trx->flag_version>>16) |
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#define ISTRX_V1(trx) (TRX_VER(trx) == TRX_V1) |
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#define ISTRX_V2(trx) (TRX_VER(trx) == TRX_V2) |
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/* For V2, return size of V2 size: others, return V1 size */ |
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#define SIZEOF_TRX(trx) (ISTRX_V2(trx) ? SIZEOF_TRXHDR_V2: SIZEOF_TRXHDR_V1) |
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#else |
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#define SIZEOF_TRX(trx) (sizeof(struct trx_header)) |
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#endif /* BCMTRXV2 */ |
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/* Compatibility */ |
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typedef struct trx_header TRXHDR, *PTRXHDR; |
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#endif /* _TRX_HDR_H */
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