diff options
Diffstat (limited to 'resources/scripts/download/mrc')
| -rwxr-xr-x | resources/scripts/download/mrc | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/resources/scripts/download/mrc b/resources/scripts/download/mrc deleted file mode 100755 index 49657fec..00000000 --- a/resources/scripts/download/mrc +++ /dev/null @@ -1,169 +0,0 @@ -#!/usr/bin/env sh - -# Download Intel MRC images -# -# 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 -# the Free Software Foundation, version 2 of the License. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. -# - -# This script assumes that the working directory is the -# root of osboot_src or osboot git. - -# This file is forked from util/chromeos/crosfirmware.sh in coreboot cfc26ce278 -# Changes to it in osboot are copyright 2021 Leah Rowe - -[ "x${DEBUG+set}" = 'xset' ] && set -v -set -u -e - -# On some systems, `parted` and `debugfs` are located in /sbin. -export PATH="${PATH}:/sbin" - -download_image() -{ - _url=${1} - _file=${2} - _sha1sum=${3} - - echo "Downloading recovery image" - curl "$_url" > "$_file.zip" - if [ "$(sha1sum ${_file}.zip | awk '{print $1}')" = "${_sha1sum}" ]; then - unzip -q "${_file}.zip" - rm "${_file}.zip" - echo "Checksum verification passed for recovery image." - return 0 - else - rm "${_file}.zip" - echo "Bad checksum. Recovery image deleted." - return 1 - fi -} - -extract_partition() -{ - NAME=${1} - FILE=${2} - ROOTFS=${3} - _bs=1024 - - echo "Extracting ROOT-A partition" - ROOTP=$( printf "unit\nB\nprint\nquit\n" | \ - parted ${FILE} 2>/dev/null | grep ${NAME} ) - - START=$(( $( echo ${ROOTP} | cut -f2 -d\ | tr -d "B" ) )) - SIZE=$(( $( echo ${ROOTP} | cut -f4 -d\ | tr -d "B" ) )) - - dd if=${FILE} of=${ROOTFS} bs=${_bs} skip=$(( ${START} / ${_bs} )) \ - count=$(( ${SIZE} / ${_bs} )) > /dev/null -} - -extract_shellball() -{ - ROOTFS=${1} - SHELLBALL=${2} - - echo "Extracting chromeos-firmwareupdate" - printf "cd /usr/sbin\ndump chromeos-firmwareupdate ${SHELLBALL}\nquit" | \ - debugfs ${ROOTFS} > /dev/null 2>&1 -} - -extract_coreboot() -{ - _shellball=${1} - _unpacked=$( mktemp -d ) - - echo "Extracting coreboot image" - sh ${_shellball} --unpack ${_unpacked} > /dev/null - - _version=$( cat ${_unpacked}/VERSION | grep BIOS\ version: | \ - cut -f2 -d: | tr -d \ ) - - cp ${_unpacked}/bios.bin coreboot-${_version}.bin - rm -r "${_unpacked}" -} - -check_existing() -{ - _mrc_complete_hash="d18de1e3d52c0815b82ea406ca07897c56c65696" - if [ -f mrc/haswell/mrc.bin ]; then - printf 'found existing mrc.bin, checking its hash\n' - if [ "$(sha1sum mrc/haswell/mrc.bin | awk '{print $1}')" = "${_mrc_complete_hash}" ]; then - printf 'checksums matched, skipping redownloading image\n' - return 0 - else - printf 'hashes did not match, starting over\n' - return 1 - fi - - else - return 1 - fi -} - -# Skips redownloading every time the script runs -check_existing && exit 0 - -if [ ! -d "coreboot/default/" ]; then - ./download coreboot default -fi - -if [ ! -f "coreboot/default/util/cbfstool/cbfstool" ]; then - ./build module cbutils default -fi - -# Remove the old version that may still exist -# ------------------------------------------------------------------------------ - -printf "Downloading Intel MRC blobs\n" - - -#rm -Rf "mrc/" - -mkdir -p mrc/haswell/ - -( - -cd mrc/haswell/ - -# https://web.archive.org/web/20210211071412/https://dl.google.com/dl/edgedl/chromeos/recovery/recovery.conf -# peppy image used as defined here, mrc.bin extracted from that. -# when wanting to use an updated version later on, just change the url and -# sha1sums and such, in this script, based on a newer version on archive.org. - -# For haswell mrc.bin, used on ThinkPad T440p and W541 -_board="peppy" -_file="chromeos_12239.92.0_peppy_recovery_stable-channel_mp-v3.bin" -_url="https://dl.google.com/dl/edgedl/chromeos/recovery/chromeos_12239.92.0_peppy_recovery_stable-channel_mp-v3.bin.zip" -_url2="https://web.archive.org/web/20200516070928/https://dl.google.com/dl/edgedl/chromeos/recovery/chromeos_12239.92.0_peppy_recovery_stable-channel_mp-v3.bin.zip" -_sha1sum="cd5917cbe7f821ad769bf0fd87046898f9e175c8" - -download_image ${_url} ${_file} ${_sha1sum} -if [ ! -f ${_file} ]; then - download_image ${_url2} ${_file} ${_sha1sum} -fi -if [ ! -f $_file ]; then - echo "${_file} was not downloaded, or verification failed. Exiting" - exit 1 -fi - -extract_partition ROOT-A ${_file} root-a.ext2 -extract_shellball root-a.ext2 chromeos-firmwareupdate-${_board} - -extract_coreboot chromeos-firmwareupdate-${_board} - -../../coreboot/default/util/cbfstool/cbfstool coreboot-*.bin extract -f mrc.bin -n mrc.bin -r RO_SECTION -rm -f "chromeos-firmwareupdate-${_board}" coreboot-*.bin "${_file}" "root-a.ext2" - -printf "\n\nHaswell mrc.bin file (for T440p and W541) downloaded to mrc/haswell/mrc.bin\n\n" - -) - -exit 0 |