release/src-rt/include/trxhdr.h

   1 /*
   2  * TRX image file header format.
   3  *
   4  * Copyright (C) 2010, Broadcom Corporation. All Rights Reserved.
   5  *
   6  * Permission to use, copy, modify, and/or distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  13  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  15  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  16  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  *
  18  * $Id: trxhdr.h,v 13.16.10.1 2010-09-07 19:23:08 Exp $
  19  */
  20
  21 #ifndef _TRX_HDR_H
  22 #define _TRX_HDR_H
  23
  24 #include <typedefs.h>
  25
  26 #define TRX_MAGIC       0x30524448      /* "HDR0" */
  27 #define TRX_VERSION     1               /* Version 1 */
  28 #define TRX_MAX_LEN     0x7A0000        /* Max length */
  29 #define TRX_NO_HEADER   1               /* Do not write TRX header */
  30 #define TRX_GZ_FILES    0x2     /* Contains up to TRX_MAX_OFFSET individual gzip files */
  31 #define TRX_OVERLAYS    0x4     /* Contains an overlay header after the trx header */
  32 #define TRX_MAX_OFFSET  3               /* Max number of individual files */
  33 #define TRX_UNCOMP_IMAGE        0x20    /* Trx contains uncompressed rtecdc.bin image */
  34
  35 #define TRX_MAGIC_F7D3301       0x20100322      /* Belkin Share Max */
  36 #define TRX_MAGIC_F7D3302       0x20090928      /* Belkin Share */
  37 #define TRX_MAGIC_F7D4302       0x20091006      /* Belkin Play */
  38 #define TRX_MAGIC_F5D8235V3     0x00017116      /* Belkin F5D8235V3 */
  39 #define TRX_MAGIC_QA            0x12345678      /* QA firmware */
  40
  41 struct trx_header {
  42         uint32 magic;           /* "HDR0" */
  43         uint32 len;             /* Length of file including header */
  44         uint32 crc32;           /* 32-bit CRC from flag_version to end of file */
  45         uint32 flag_version;    /* 0:15 flags, 16:31 version */
  46         uint32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of header */
  47 };
  48
  49 /* Compatibility */
  50 typedef struct trx_header TRXHDR, *PTRXHDR;
  51
  52 #endif /* _TRX_HDR_H */