update_bios.sh


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#!/bin/bash
set -e

: ${FLASHROM:="sudo flashrom -p dediprog"}
: ${CBFSTOOL:=cbfstool}

ROM=$0
OLDROM=$(mktemp)
NEWROM=$(mktemp)
MACS=$(mktemp)

$FLASHROM -r $OLDROM
$CBFSTOOL $OLDROM extract macs $MACS
cp $ROM $NEWROM
$CBFSTOOL $NEWROM add $MACS macs raw 0xfff00000
$FLASHROM -w $NEWROM

rm $OLDROM $NEWROM $MACS