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"
  26 do
  27   set -- $board
  28   if [ "$2" -lt "256" ]; then
  29     # we have a low machtypeid, we just need a "mov" (e3a)
  30     echo -en "\xe3\xa0\x10\x$(printf %x\\n $2)" > $BIN_DIR/openwrt-$1-2.6-zImage
  31   else
  32     # we have a high machtypeid, we need a "mov" (e3a) and an "orr" (e38)
  33     hexid=$(printf %x\\n $2)
  34     echo -en "\xe3\xa0\x10\x$(echo $hexid|cut -b "2 3")\xe3\x81\x1c\x$(echo $hexid|cut -b 1)" > $BIN_DIR/openwrt-$1-2.6-zImage
  35   fi
  36     # generate the image
  37     cat $BIN_DIR/openwrt-ixp4xx-2.6-zImage >> $BIN_DIR/openwrt-$1-2.6-zImage
  38 done