tools/netboot.h

   1 /* $Id$
   2 **
   3 ** Copyright 1998 Brian J. Swetland
   4 ** All rights reserved.
   5 **
   6 ** Redistribution and use in source and binary forms, with or without
   7 ** modification, are permitted provided that the following conditions
   8 ** are met:
   9 ** 1. Redistributions of source code must retain the above copyright
  10 **    notice, this list of conditions, and the following disclaimer.
  11 ** 2. Redistributions in binary form must reproduce the above copyright
  12 **    notice, this list of conditions, and the following disclaimer in the
  13 **    documentation and/or other materials provided with the distribution.
  14 ** 3. The name of the author may not be used to endorse or promote products
  15 **    derived from this software without specific prior written permission.
  16 **
  17 ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18 ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19 ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20 ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21 ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22 ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26 ** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27 */
  28 #pragma pack(2)
  29
  30 typedef struct
  31 {
  32     unsigned short cmd;
  33     unsigned short blk;
  34     unsigned char data[1024];
  35 } net_boot;
  36
  37 #define NETBOOT_CMD_LOAD 1
  38 #define NETBOOT_CMD_EXEC 2
  39 #define NETBOOT_CMD_ACK  3
  40
  41 #define NETBOOT_PORT 4242
  42
  43 #define NETBOOT_BASE 0x00100000
  44