132 lines
3.8 KiB
Bash
Executable file
132 lines
3.8 KiB
Bash
Executable file
#!/bin/bash
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# flash script: uses flashrom to flash a libreboot ROM image
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#
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# Copyright (C) 2014, 2015 Francis Rowe <info@gluglug.org.uk>
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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 3 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, see <http://www.gnu.org/licenses/>.
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#
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## Don't add here. errors are expected.
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[ "x${DEBUG+set}" = 'xset' ] && set -v
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# set -u -e
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if [[ $EUID -ne 0 ]]; then
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echo "This script must be run as root"
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exit 1
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fi
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arch="unknown"
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if [ $(uname -i) = "i686" ] || [ $(uname -m) = "i686" ]; then
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arch="i686"
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elif [ $(uname -i) = "x86_64" ] || [ $(uname -m) = "x86_64" ]; then
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arch="x86_64"
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else
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echo "This script must be run on an i686 or x86_64 host. x86_64 is recommended."
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exit 1
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fi
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usage="usage: ./flash mode path/to/yourrom.rom"
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availablemodes="update, forceupdate, i945lenovo_firstflash, i945lenovo_secondflash, i945apple_firstflash"
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mode="unknown"
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rompath="unknown"
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# User specified no or too few/many parameters
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if (( $# != 2 )); then
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echo "$usage"
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echo "You need to specify exactly one mode, and one file"
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echo "$availablemodes"
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exit 1
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fi
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# User specified an invalid mode of operation
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if [ "$1" = "update" ] || [ "$1" = "forceupdate" ] || [ "$1" = "i945lenovo_firstflash" ] || [ "$1" != "i945lenovo_secondflash" ] || [ "$1" != "i945apple_firstflash" ]; then
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echo "Mode selected: $1"
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else
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echo "$usage"
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echo "Invalid mode. Modes available: $availablemodes"
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exit 1
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fi
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# The specified file does not exist
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if [ ! -f "$2" ]; then
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echo "File not found!"
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exit 1
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fi
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# For easy of readability
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mode=$1
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rompath=$2
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flashrom="unknown"
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if [ -f "build" ]; then
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# git or libreboot_src
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flashrom="./flashrom/flashrom"
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else
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# libreboot_util
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flashrom="./flashrom/$arch/flashrom"
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fi
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if [ ! -f "$flashrom" ]; then
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echo "flashrom binary not present"
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exit 1
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fi
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# i945 lenovobios
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bucts="unknown"
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flashrom_lenovobios_sst="unknown"
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flashrom_lenovobios_macronix="unknown"
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if [ "$mode" = "i945lenovo_firstflash" ] || [ "$mode" = "i945lenovo_secondflash" ]; then
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if [ -f "build" ]; then
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# git or libreboot_src
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bucts="./bucts/bucts"
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flashrom_lenovobios_sst="./flashrom/flashrom_lenovobios_sst"
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flashrom_lenovobios_macronix="./flashrom/flashrom_lenovobios_sst"
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else
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# libreboot_util
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bucts="./bucts/$arch/bucts"
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flashrom_lenovobios_sst="./flashrom/$arch/flashrom_lenovobios_sst"
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flashrom_lenovobios_macronix="./flashrom/$arch/flashrom_lenovobios_sst"
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fi
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# anti-bricking precaution
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if [ ! -f "$bucts" ]; then
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echo "bucts binary not present. ABORTING so as to protect against bricking the machine."
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exit 1
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fi
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# fail if flashrom is not present
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if [ ! -f "$flashrom_lenovobios_sst" ] || [ ! -f "$flashrom_lenovobios_macronix" ]; then
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echo "Flashrom binaries not present."
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exit 1
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fi
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fi
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if [ "$mode" = "update" ]; then
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$flashrom -p internal -w "$rompath"
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elif [ "$mode" = "forceupdate" ]; then
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$flashrom -p internal:boardmismatch=force -w "$rompath"
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elif [ "$mode" = "i945apple_firstflash" ]; then
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$flashrom -p internal:laptop=force_I_want_a_brick -w "$rompath"
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elif [ "$mode" = "i945lenovo_firstflash" ]; then
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$bucts 1 # needed to prevent bricks.
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# One will fail (this is harmless), and the other will succeed.
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$flashrom_lenovobios_sst -p internal -w "$rompath"
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$flashrom_lenovobios_macronix -p internal -w "$rompath"
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elif [ "$mode" = "i945lenovo_secondflash" ]; then
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$flashrom -p internal -w "$rompath"
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$bucts 0
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fi
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