diff options
Diffstat (limited to 'flash')
| -rwxr-xr-x | flash | 111 |
1 files changed, 95 insertions, 16 deletions
@@ -1,8 +1,8 @@ #!/bin/bash -# flash script: uses flashrom to flash a new libreboot ROM image onto your machine +# flash script: uses flashrom to flash a libreboot ROM image # -# Copyright (C) 2014 Francis Rowe <info@gluglug.org.uk> +# 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 @@ -20,33 +20,112 @@ ## Don't add here. errors are expected. # set -u -e -v -set -v if [[ $EUID -ne 0 ]]; then echo "This script must be run as root" exit 1 fi -if (( $# != 1 )); then - echo "Usage: ./flash yourrom.rom" - echo "usage: ./flash path/to/yourrom.rom" - echo "You need to specify exactly 1 file" + +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 + echo "This script must be run on an i686 or x86_64 host. x86_64 is recommended." + 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 (( $# != 2 )); then + echo "$usage" + echo "You need to specify exactly one mode, and one file" + echo "$availablemodes" exit 1 fi -if [ ! -f $1 ]; then + +# User specified an invalid mode of operation +if [ "$1" = "update" ] || [ "$1" = "forceupdate" ] || [ "$1" = "i945lenovo_firstflash" ] || [ "$1" != "i945lenovo_secondflash" ] || [ "$1" != "i945apple_firstflash" ]; then + echo "Mode selected: $1" +else + echo "$usage" + echo "Invalid mode. Modes available: $availablemodes" + exit 1 +fi + +# The specified file does not exist +if [ ! -f "$2" ]; then echo "File not found!" exit 1 fi -path="unknown" +# For easy of readability +mode=$1 +rompath=$2 + +flashrom="unknown" if [ -f "DEBLOB" ]; then - path="./flashrom/flashrom" -elif [ $(uname -i) = "i686" ] || [ $(uname -m) = "i686" ]; then - path="./flashrom/i686/flashrom" -elif [ $(uname -i) = "x86_64" ] || [ $(uname -m) = "x86_64" ]; then - path="./flashrom/x86_64/flashrom" + # git or libreboot_src + flashrom="./flashrom/flashrom" else - echo "This script must be run on an i686 or x86_64 host. x86_64 is recommended." + # libreboot_util + flashrom="./flashrom/$arch/flashrom" +fi +if [ 1 -f "$flashrom" ]; then + echo "flashrom binary not present" exit 1 fi -$(echo $path) -p internal -w $1 +# i945 lenovobios +bucts="unknown" +flashrom_lenovobios_sst="unknown" +flashrom_lenovobios_macronix="unknown" +if [ "$mode" = "i945lenovo_firstflash" ] || [ "$mode" = "i945lenovo_secondflash" ]; then + if [ -f "DEBLOB" ]; then + # git or libreboot_src + bucts="./bucts/bucts" + flashrom_lenovobios_sst="./flashrom/flashrom_lenovobios_sst" + flashrom_lenovobios_macronix="./flashrom/flashrom_lenovobios_sst" + else + # libreboot_util + bucts="./bucts/$arch/bucts" + flashrom_lenovobios_sst="./flashrom/$arch/flashrom_lenovobios_sst" + flashrom_lenovobios_macronix="./flashrom/$arch/flashrom_lenovobios_sst" + fi + + # anti-bricking precaution + if [ ! -f "$bucts" ]; then + echo "bucts binary not present. ABORTING so as to protect against bricking the machine." + exit 1 + fi + + # fail if flashrom is not present + if [ ! -f "$flashrom_lenovobios_sst" ] || [ ! -f "$flashrom_lenovobios_macronix" ]; then + echo "Flashrom binaries not present." + exit 1 + fi +fi + +if [ "$mode" = "update" ]; then + $flashrom -p internal -w "$rompath" +elif [ "$mode" = "forceupdate" ]; then + $flashrom -p internal:boardmismatch=force -w "$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 + $flashrom -p internal -w "$rompath" + $bucts 0 +fi + + |