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#!/usr/bin/env bash
# SPDX-FileCopyrightText: 2022 Caleb La Grange <thonkpeasant@protonmail.com>
# SPDX-License-Identifier: GPL-3.0-only
Error_out(){
if [ ! -z ${@+x} ]; then
printf "ERROR: ${@}\n"
fi
cat <<- EOF
USAGE: ./blobutil inject -r [/path/to/rom] -b [boardname] -m [macaddress]
Example: ./blobutil inject -r x230_12mb.rom -b x230_12mb
Adding a macadress to the gbe is optional.
If the [-m] parameter is left blank, the gbe will not be touched.
Type './blobutil inject listboards' to get a list of valid boards
EOF
exit 1
}
Modify_gbe(){
printf "changing mac address in gbe to ${new_mac}\n"
_gbe_location=${CONFIG_GBE_BIN_PATH#../../}
if [ ! -d nvmutil/ ]; then
git clone https://notabug.org/osboot/nvmutil
if [ ! -d nvmutil/ ]; then
printf "E: could not download nvmutil"
exit 1
fi
(
cd nvmutil/
git reset --hard 886a5ffb0d68a1e9627b1ecb7e4ab30bf6c66c21
)
fi
if [ ! -f nvmutil/nvm ]; then
( cd nvmutil/ && make )
fi
_gbe_tmp=$(mktemp -t gbeXXXX.bin)
cp ${_gbe_location} ${_gbe_tmp}
./nvmutil/nvm ${_gbe_tmp} setmac ${new_mac} || Error_out 'failed to modify mac address\nmake sure the mac address in the correct format'
./coreboot/default/util/ifdtool/ifdtool -i GbE:${_gbe_tmp} ${rom} -O ${rom} || exit 1
rm ${_gbe_tmp}
}
listboards() {
for boarddir in resources/coreboot/*; do
if [ ! -d "${boarddir}" ]; then continue; fi
board="${boarddir##resources/coreboot/}"
board="${board%/}"
printf '%s\n' "${board##*/}"
done
}
# This function tries to determine the board from the filename of the rom.
# It will only succeed if the filename is not changed from the build/download
Detect_board(){
filename=$(basename ${rom})
case ${filename} in
grub_*)
board=$(cut -d '_' -f2-3 <<<${filename})
;;
seabios_grubfirst_*|seabios_withgrub_*)
board=$(cut -d '_' -f3-4 <<<${filename})
;;
*)
return 1
esac
if [ -d "resources/coreboot/${board}/" ]; then
printf '%s\n' "${board}"
else
return 1
fi
}
Patch(){
set -- "resources/coreboot/${board}/config/*"
. ${1} 2>/dev/null
. "resources/coreboot/${board}/board.cfg"
if [ "$CONFIG_HAVE_MRC" = "y" ]; then
printf 'adding mrc\n'
./coreboot/default/util/cbfstool/cbfstool ${rom} add -f mrc/haswell/mrc.bin -n mrc.bin -t mrc || exit 1
fi
if [ "${CONFIG_HAVE_ME_BIN}" = "y" ]; then
_me_location=${CONFIG_ME_BIN_PATH#../../}
printf 'adding intel management engine\n'
./coreboot/default/util/ifdtool/ifdtool -i me:${_me_location} ${rom} -O ${rom} || exit 1
fi
if [ "${modifygbe}" = "true" ]; then
Modify_gbe
fi
}
if [ "${1}" = "listboards" ]; then
listboards
exit 0
fi
# Implementing parameter parsing now so more options can be added later
while getopts r:b:m: option
do
case "${option}"
in
r)rom=${OPTARG};;
b)board=${OPTARG};;
m)
modifygbe=true
new_mac=${OPTARG}
;;
esac
done
if [ -z ${rom+x} ]; then
Error_out 'no rom specified'
elif [ ! -f "${rom}" ]; then
Error_out "${rom} is not a valid path"
elif [ -z ${board+x} ]; then
board=$(Detect_board) || \
Error_out 'no board specified'
fi
if [ ! -d "resources/coreboot/${board}/" ]; then
printf "board ${board} not found\n"
Error_out
fi
if [ ! -d coreboot/default ]; then
printf "downloading coreboot\n"
./download coreboot default
fi
if [ ! -f "coreboot/default/util/ifdtool/ifdtool" ]; then
printf "building ifdtool from coreboot\n"
( cd coreboot/default/util/ifdtool && make )
fi
if [ ! -f "coreboot/default/util/cbfstool/cbfstool" ]; then
printf "building cbfstool from coreboot\n"
( cd coreboot/default/util/cbfstool && make )
fi
./blobutil download ${board} && Patch
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