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#!/usr/bin/env sh
# SPDX-FileCopyrightText: 2022 Caleb La Grange <thonkpeasant@protonmail.com>
# SPDX-FileCopyrightText: 2022 Ferass El Hafidi <vitali64pmemail@protonmail.com>
# SPDX-License-Identifier: GPL-3.0-only
Fail(){
if [ ! -z ${@+x} ]; then
printf "\nERROR: ${@}\n"
fi
cat <<- EOF
USAGE: ./blobutil inject -r [/path/to/rom] -b [boardname] -m [macaddress]
Example: ./blobutil inject -r x230_12mb.rom -b x230_12mb
Adding a macadress to the gbe is optional.
If the [-m] parameter is left blank, the gbe will not be touched.
Type './blobutil inject listboards' to get a list of valid boards
EOF
exit 1
}
Modify_gbe(){
rom=${1}
printf "changing mac address in gbe to ${new_mac}\n"
_gbe_location=${CONFIG_GBE_BIN_PATH#../../}
if [ ! -f util/nvmutil/nvm ]; then
make -C util/nvmutil || Fail 'failed to build nvmutil'
fi
_gbe_tmp=$(mktemp -t gbeXXXX.bin)
cp ${_gbe_location} ${_gbe_tmp}
./util/nvmutil/nvm ${_gbe_tmp} setmac ${new_mac} || Fail 'failed to modify mac address\nmake sure the mac address in the correct format'
./coreboot/default/util/ifdtool/ifdtool -i GbE:${_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' "${board##*/}"
done
}
# This function tries to determine the board from the filename of the rom.
# It will only succeed if the filename is not changed from the build/download
Detect_board(){
path=${1}
filename=$(basename ${path})
case ${filename} in
grub_*)
board=$(echo "${filename}" | cut -d '_' -f2-3)
;;
seabios_withgrub_*)
board=$(echo "${filename}" | cut -d '_' -f3-4)
;;
*.tar.xz)
_stripped_prefix=${filename#*_}
board="${_stripped_prefix%.tar.xz}"
;;
*)
return 1
esac
if [ -d "resources/coreboot/${board}/" ]; then
printf '%s\n' "${board}"
else
return 1
fi
}
Patch(){
rom="${1}"
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 ${rom} add -f mrc/haswell/mrc.bin -n mrc.bin -t mrc -b 0x78fe00 || exit 1
fi
if [ "${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" ] && ! [ "${release}" = "true" ]; then
Modify_gbe ${rom}
fi
}
Patch_release(){
_tmpdir=$(mktemp -d "/tmp/${board}_tmpXXXX")
tar xf "${releasearchive}" -C "${_tmpdir}" || \
Fail 'could not extract release archive'
for rom in ${_tmpdir}/bin/*/*.rom ; do
echo "patching rom $rom"
Patch ${rom} || \
Fail "could not patch ${rom}"
done
( cd ${_tmpdir}/bin/*
sha1sum --status -c blobhashes || \
Fail 'ROMs did not match expected hashes'
)
if [ "${modifygbe}" = "true" ]; then
for rom in ${_tmpdir}/bin/*/*.rom ; do
Modify_gbe ${rom}
done
fi
if ! [ -d bin/release ]; then
mkdir -p bin/release
fi
mv ${_tmpdir}/bin/* bin/release/ && \
printf '%s\n' 'Success! Your ROMs are in bin/release'
rm -r "${_tmpdir}"
}
Check_release(){
if ! [ -f ${1} ]; then
return 1
fi
_filetype=$(file -b "${1}")
if [ "${_filetype%%,*}" = "XZ compressed data" ]; then
printf "%s\n" "Release archive ${1} detected"
else
return 1
fi
}
if [ "${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 ! Check_release ${1} ; then
if [ ! -f "${rom}" ]; then
Fail "${rom} is not a valid path"
elif [ -z ${rom+x} ]; then
Fail 'no rom specified'
elif [ -z ${board+x} ]; then
board=$(Detect_board ${rom}) || \
Fail 'no board specified'
fi
else
release=true
releasearchive="${1}"
board=$(Detect_board ${1}) || \
Fail 'Could not detect board type'
fi
if [ ! -d "resources/coreboot/${board}/" ]; then
Fail "board ${board} not found"
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"
./build module cbutils default || Fail 'could not build ifdtool'
fi
if [ ! -f "coreboot/default/util/cbfstool/cbfstool" ]; then
printf "building cbfstool from coreboot\n"
./build module cbutils default || Fail 'could not build cbfstool'
fi
./blobutil download ${board} || \
Fail "Could not download blobs for ${board}, check network connection"
if [ "${release}" = "true" ]; then
echo 'patching release file'
Patch_release
else
Patch ${rom}
fi
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