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#!/usr/bin/env bash
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#
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# Empty/wrong machtype-workaround generator
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#
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# Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
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# based on linux/arch/arm/boot/compressed/head-xscale.S
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# NOTE: for now it's for only IXP4xx in big endian mode
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# list of supported boards, in "boardname machtypeid" format
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for board in "avila 526" "gateway7001 731" "nslu2 597" "nas100d 865" "wg302v2 890" "pronghornmetro 1040" "compex 1273" "wrt300nv2 1077" "loft 849"
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do
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set -- $board
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hexid=$(printf %x\\n $2)
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if [ "$2" -lt "256" ]; then
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# we have a low machtypeid, we just need a "mov" (e3a)
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printf "\xe3\xa0\x10\x$hexid" > $BIN_DIR/openwrt-$1-2.6-zImage
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else
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# we have a high machtypeid, we need a "mov" (e3a) and an "orr" (e38)
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printf "\xe3\xa0\x10\x$(echo $hexid|cut -b "2 3")\xe3\x81\x1c\x$(echo $hexid|cut -b 1)" > $BIN_DIR/openwrt-$1-2.6-zImage
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fi
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# generate the image
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cat $BIN_DIR/openwrt-ixp4xx-2.6-zImage >> $BIN_DIR/openwrt-$1-2.6-zImage
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done
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