scripts/arm-magic.sh

   1 #!/usr/bin/env bash
   2 #
   3 #   Empty/wrong machtype-workaround generator
   4 #
   5 #   Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
   6 #   based on linux/arch/arm/boot/compressed/head-xscale.S
   7 #
   8 #   This program is free software; you can redistribute it and/or modify
   9 #   it under the terms of the GNU General Public License as published by
  10 #   the Free Software Foundation; either version 2 of the License, or
  11 #   (at your option) any later version.
  12 #
  13 #   This program is distributed in the hope that it will be useful,
  14 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 #   GNU General Public License for more details.
  17 #
  18 #   You should have received a copy of the GNU General Public License
  19 #   along with this program; if not, write to the Free Software
  20 #   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21
  22 # NOTE: for now it's for only IXP4xx in big endian mode
  23
  24 # list of supported boards, in "boardname machtypeid" format
  25 for board in "avila 526" "gateway7001 731" "nslu2 597" "nas100d 865" "wg302v1 889" "wg302v2 890" "pronghornmetro 1040" "compex 1273" "wrt300nv2 1077" "loft 849" "dsmg600 964" "fsg3 1091" "ap1000 1543"
  26 do
  27   set -- $board
  28   hexid=$(printf %x\\n $2)
  29   if [ "$2" -lt "256" ]; then
  30     # we have a low machtypeid, we just need a "mov" (e3a)
  31     printf "\xe3\xa0\x10\x$hexid" > $BIN_DIR/openwrt-$1-zImage
  32   else
  33     # we have a high machtypeid, we need a "mov" (e3a) and an "orr" (e38)
  34     printf "\xe3\xa0\x10\x$(echo $hexid|cut -b "2 3")\xe3\x81\x1c\x$(echo $hexid|cut -b 1)" > $BIN_DIR/openwrt-$1-zImage
  35   fi
  36     # generate the image
  37     cat $BIN_DIR/openwrt-ixp4xx-zImage >> $BIN_DIR/openwrt-$1-zImage
  38 done