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#!/usr/bin/env bash
# SPDX-FileCopyrightText: 2022 Caleb La Grange <thonkpeasant@protonmail.com>
# SPDX-License-Identifier: GPL-3.0-only
board="${1}"
# A shorthand for each board so as not to duplicate blobs for boards of different sizes
board_short=${board%%_*mb}
# Allow adding only blobs that can be legally redistributed (ifd+gbe)
if [ "${2}" = "redistributable" ]; then
redistributable=true
else
redistributable=false
fi
Fail(){
printf "\nERROR: $@\n"
exit 1
}
Download_needed(){
for need in ${needs}; do
case ${need} in
*ME*)
Extract_me || _failed+=" me"
;;
*MRC*)
./download mrc || _failed+=" mrc"
;;
esac
done
if [ ! -z ${_failed+x} ]; then
Fail "failed to obtain ${_failed}\nYou may try manually extracting blobs with './blobutil extract'"
fi
}
Extract_me(){
_me_destination=${CONFIG_ME_BIN_PATH#../../}
if [ -f "${_me_destination}" ]; then
printf 'me already downloaded\n'
return 0
fi
if [ -z "${me_dl+x}" ]; then
printf 'no me download available for this board\n'
return 1
fi
if [ ! -d "${_me_destination%/*}" ]; then
mkdir -p ${_me_destination%/*}
fi
printf "Extracting neutered me for ${board}\n"
# Delete old me downloads in case user is building for multiple boards
if [ -f "blobs/me.exe" ]; then
rm blobs/me.exe
fi
if [ -d "blobs/app" ]; then
rm -r blobs/app
fi
curl ${me_dl} > blobs/me.exe || curl ${me_dl_bkup} > blobs/me.exe
if [ ! "$(sha1sum blobs/me.exe)" = "${me_hash} blobs/me.exe" ]; then
printf 'checksum of downloaded me did not mactch\ncorrupted me downloaded or wrong me for board\n'
rm blobs/me.exe
return 1
fi
printf 'extracting and stripping intel management engine\n'
innoextract blobs/me.exe -d blobs || Fail 'could not extract me executable with innoextract'
./me_cleaner/me_cleaner.py -r -t -O ${_me_destination} blobs/app/*ME*.bin \
|| ./resources/blobs/me7_update_parser.py -O ${_me_destination} blobs/app/ME7*.bin \
|| return 1
printf "Truncated and cleaned me output to ${_me_destination}\n"
}
Build_deps(){
if [ ! -d me_cleaner ]; then
printf "downloading me_cleaner\n"
./download me_cleaner || Fail 'could not download me_cleaner'
fi
if [ ! -d coreboot/default ]; then
printf "downloading coreboot\n"
./download coreboot default || Fail 'could not download coreboot'
fi
if [ ! -f "coreboot/default/util/ifdtool/ifdtool" ]; then
printf "building ifdtool from coreboot\n"
( cd coreboot/default/util/ifdtool && make ) || Fail 'could not build ifdtool'
fi
}
set -- "resources/coreboot/${board}/config/*"
. ${1} 2>/dev/null
. "resources/coreboot/${board}/board.cfg"
if [ "${CONFIG_HAVE_MRC}" = "y" ]; then
if [ "${redistributable}" = "false" ]; then
printf 'haswell board detected, downloading mrc\n'
needs+=" MRC"
fi
fi
if [ "${CONFIG_HAVE_IFD_BIN}" = "y" ]; then
printf 'board needs intel firmware descriptor\n'
needs+=" IFD"
fi
if [ "${CONFIG_HAVE_ME_BIN}" = "y" ]; then
if [ "${redistributable}" = "false" ]; then
printf 'board needs intel management engine\n'
needs+=" ME"
fi
fi
if [ "${CONFIG_HAVE_GBE_BIN}" = "y" ]; then
printf 'board needs gigabit ethernet firmware\n'
needs+=" GBE"
fi
# Quickly exit without wasting more time if there are no blobs needed (GM45)
if [ -z ${needs+x} ]; then
printf 'No binary blobs needed for this board\n'
exit 0
fi
Build_deps
while read -r line ; do
case ${line} in
ME_hash*)
set ${line}
me_hash=${2}
;;
ME_dl*)
set ${line}
me_dl=${2}
;;
ME_bkup_dl*)
set ${line}
me_dl_bkup=${2}
;;
esac
done <<< $(eval "awk ' /\{.*${board_short}.*}{/ {flag=1;next} /\}/{flag=0} flag { print }' resources/blobs/sources")
Download_needed
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