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#!/usr/bin/env bash
# flash script: uses flashrom to flash a libreboot ROM image
#
# Copyright (C) 2014, 2015 Leah Rowe <info@minifree.org>
#
# 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/>.
#
# So that I one day find it again
# http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_06_02
## Don't add here. errors are expected.
[ "x${DEBUG+set}" = 'xset' ] && set -v
# set -u -e
if [ ${EUID} -ne 0 ]; then
printf "Ce script doit être lancé en tant que root\n"
exit 1
fi
arch="unknown"
if [ "$(uname -i)" = "i686" ] || [ "$(uname -m)" = "i686" ]; then
arch="i686"
elif [ "$(uname -i)" = "x86_64" ] || [ "$(uname -m)" = "x86_64" ]; then
arch="x86_64"
else
printf "Ce script doit être exécuté sur un hôte i686 ou x86_64. x86_64 est recommandé.\n"
exit 1
fi
usage="usage: ./flash mode path/to/yourrom.rom"
availablemodes="update, forceupdate, i945lenovo_firstflash, i945lenovo_secondflash, i945apple_firstflash"
mode="unknown"
rompath="unknown"
# User specified no or too few/many parameters
if [ $# -lt 2 ]; then
printf "%s\n" "${usage}"
printf "Vous avez besoin de spécifier exactement un mode et un fichier.\n"
printf "%s\n" "${availablemodes}"
exit 1
fi
mode="${1}"
rompath="${2}"
# User specified an invalid mode of operation
if [ "${mode}" != "update" ] && [ "${mode}" != "forceupdate" ] && [ "${mode}" != "i945lenovo_firstflash" ] && [ "${mode}" != "i945lenovo_secondflash" ] && [ "${mode}" != "i945apple_firstflash" ]; then
printf "%s\n" "${usage}"
printf "Mode invalide. Modes disponibles: %s\n" "${availablemodes}"
exit 1
else
printf "Mode sélectionné: %s\n" "${mode}"
fi
# The specified file does not exist
if [ ! -f "${rompath}" ]; then
printf "Fichier non trouvé!\n"
exit 1
fi
flashrom="unknown"
if [ -f "build" ]; then
# git or libreboot_src
flashrom="./flashrom/flashrom"
else
# libreboot_util
flashrom="./flashrom/${arch}/flashrom"
fi
if [ ! -f "${flashrom}" ]; then
printf "L'exécutable flashrom n'est pas présent.\n"
exit 1
fi
# i945 lenovobios
bucts="unknown"
flashrom_lenovobios_sst="unknown"
flashrom_lenovobios_macronix="unknown"
if [ "${mode}" = "i945lenovo_firstflash" ] || [ "${mode}" = "i945lenovo_secondflash" ]; then
if [ -f "build" ]; then
# git or libreboot_src
bucts="./bucts/bucts"
flashrom_lenovobios_sst="./flashrom/flashrom_lenovobios_sst"
flashrom_lenovobios_macronix="./flashrom/flashrom_lenovobios_macronix"
else
# libreboot_util
bucts="./bucts/${arch}/bucts"
flashrom_lenovobios_sst="./flashrom/${arch}/flashrom_lenovobios_sst"
flashrom_lenovobios_macronix="./flashrom/${arch}/flashrom_lenovobios_macronix"
fi
# anti-bricking precaution
if [ ! -f "${bucts}" ]; then
printf "L'exécutable bucts n'est pas présent. ABANDON pour protéger le système du bousillage (bricking).\n"
exit 1
fi
# fail if flashrom is not present
if [ ! -f "${flashrom_lenovobios_sst}" ] || [ ! -f "${flashrom_lenovobios_macronix}" ]; then
printf "Les exécutables flashrom ne sont pas présentes.\n"
exit 1
fi
fi
if [ "${mode}" = "update" ]; then
${flashrom} -p internal -w "${rompath}"
elif [ "${mode}" = "forceupdate" ]; then
${flashrom} -p internal:boardmismatch=force,laptop=force_I_want_a_brick -w "${rompath}"
elif [ "${mode}" = "i945apple_firstflash" ]; then
${flashrom} -p internal:laptop=force_I_want_a_brick -w "${rompath}"
elif [ "${mode}" = "i945lenovo_firstflash" ]; then
${bucts} 1 # needed to prevent bricks.
# One will fail (this is harmless), and the other will succeed.
${flashrom_lenovobios_sst} -p internal -w "${rompath}"
${flashrom_lenovobios_macronix} -p internal -w "${rompath}"
elif [ "${mode}" = "i945lenovo_secondflash" ]; then
${flashrom} -p internal:laptop=force_I_want_a_brick -w "${rompath}"
${bucts} 0
fi
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