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#!/bin/bash
# ich9macchange script: uses ich9gen to change the MAC address on GM45/GS45 machines.
#
# Copyright (C) 2014, 2015 Francis Rowe <info@gluglug.org.uk>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
[ "x${DEBUG+set}" = 'xset' ] && set -v
set -u -e
arch="unknown"
if [ $(uname -i) = "i686" ] || [ $(uname -m) = "i686" ]; then
arch="i686"
elif [ $(uname -i) = "x86_64" ] || [ $(uname -m) = "x86_64" ]; then
arch="x86_64"
elif [ $(uname -i) = "armv7l" ] || [ $(uname -m) = "armv7l" ]; then
arch="armv7l"
else
echo "This script must be run on an i686, x86_64 or armv7l host."
exit 1
fi
if (( $# != 3 )); then
echo "Usage: ./ich9macchange path/to/ich9libreboot.rom XX:XX:XX:XX:XX:XX romsize"
echo "'romsize' is a number in MiB. Example: 8"
echo "(XX replaced with hex from your desired MAC address)"
exit 1
fi
rompath=$1
macaddress=$2
romsize=$3
if [ ! -f "$rompath" ]; then
echo "ich9macchange: ROM image specified not found."
exit 1
fi
if [ "$romsize" != "8" ]; then
if [ "$3" != "4" ]; then
echo "Invalid ROM size specified. It must be 4 or 8."
exit 1
fi
fi
./ich9deblob/$arch/ich9gen --macaddress $macaddress
dd if=ich9fdgbe_"$romsize"m.bin of="$rompath" bs=1 count=12k conv=notrunc
rm -f ich9fdgbe_4m.bin
rm -f ich9fdgbe_8m.bin
rm -f mkgbe.c
rm -f mkgbe.h
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