From 355eb765ff47b0855a6f5655312608d3264e70bf Mon Sep 17 00:00:00 2001 From: Leah Rowe Date: Sun, 27 Aug 2023 17:19:36 +0100 Subject: move resources/scripts/ to script/ Signed-off-by: Leah Rowe --- resources/scripts/update/blobs/mrc | 184 ------------------------------------- 1 file changed, 184 deletions(-) delete mode 100755 resources/scripts/update/blobs/mrc (limited to 'resources/scripts/update/blobs/mrc') diff --git a/resources/scripts/update/blobs/mrc b/resources/scripts/update/blobs/mrc deleted file mode 100755 index c069e678..00000000 --- a/resources/scripts/update/blobs/mrc +++ /dev/null @@ -1,184 +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 . -# - -[ "x${DEBUG+set}" = 'xset' ] && set -v -set -u -e - -. "include/err.sh" - -export PATH="${PATH}:/sbin" - -# This file is forked from util/chromeos/crosfirmware.sh in coreboot cfc26ce278 -# Changes to it in *this version* are copyright 2021 and 2023 Leah Rowe, under -# the same license as above. - -# use updated manifest from wayback machine, when updating mrc.bin, -# and update the other variables below accordingly. current manifest used: -# https://web.archive.org/web/20210211071412/https://dl.google.com/dl/edgedl/chromeos/recovery/recovery.conf - -# the wayback machine is used so that we get the same manifest. google -# does not seem to version the manifest, but archives are available - -# variables taken from that manifest: - -_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" -_mrc_complete_hash="d18de1e3d52c0815b82ea406ca07897c56c65696" -_mrc_complete="mrc/haswell/mrc.bin" - -cbdir="coreboot/default" -cbfstool="cbutils/default/cbfstool" - -sname="" - -main() -{ - sname=${0} - printf "Downloading Intel MRC blobs\n" - - check_existing || return 0 - build_dependencies - fetch_mrc || err "could not fetch mrc.bin" -} - -check_existing() -{ - [ -f "${_mrc_complete}" ] || \ - return 0 - printf 'found existing mrc.bin\n' - [ "$(sha1sum "${_mrc_complete}" | awk '{print $1}')" \ - = "${_mrc_complete_hash}" ] && \ - return 1 - printf 'hashes did not match, starting over\n' -} - -build_dependencies() -{ - [ -d "${cbdir}/" ] || ./fetch_trees coreboot default || \ - err "build_dependencies: cannot fetch coreboot/default" - ./build coreboot utils default || \ - err "build_dependencies: cannot build cbutils/default" -} - -fetch_mrc() -{ - mkdir -p mrc/haswell/ || err "fetch_mrc: !mkdir mrc/haswell" - - ( - cd mrc/haswell/ || err "fetch_mrc: !cd mrc/haswell" - - download_image "${_url}" "${_file}" "${_sha1sum}" - [ -f ${_file} ] || \ - download_image "${_url2}" "${_file}" "${_sha1sum}" - [ -f $_file ] || \ - err "fetch_mrc: ${_file} not downloaded / verification failed." - - extract_partition ROOT-A "${_file}" root-a.ext2 - extract_shellball root-a.ext2 chromeos-firmwareupdate-${_board} - - extract_coreboot chromeos-firmwareupdate-${_board} - - ../../"${cbfstool}" coreboot-*.bin extract -f mrc.bin -n mrc.bin \ - -r RO_SECTION || err "fetch_mrc: could not fetch mrc.bin" - rm -f "chromeos-firmwareupdate-${_board}" coreboot-*.bin \ - "${_file}" "root-a.ext2" || err "fetch_mrc: cannot remove files" - - printf "\n\nmrc.bin saved to ${_mrc_complete}\n\n" - ) -} - -download_image() -{ - url=${1} - _file=${2} - _sha1sum=${3} - - printf "Downloading recovery image\n" - curl "$url" > "$_file.zip" || err "download_image: curl failed" - printf "Verifying recovery image checksum\n" - if [ "$(sha1sum "${_file}.zip" | awk '{print $1}')" = "${_sha1sum}" ] - then - unzip -q "${_file}.zip" || err "download_image: cannot unzip" - rm -f "${_file}.zip" || err "download_image: can't rm zip {1}" - return 0 - fi - rm -f "${_file}.zip" || err "download_image: bad hash, and can't rm zip" - err "download_image: Bad checksum. Recovery image deleted" -} - -extract_partition() -{ - NAME=${1} - FILE=${2} - ROOTFS=${3} - _bs=1024 - - printf "Extracting ROOT-A partition\n" - 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} / ${_bs} )) || \ - err "extract_partition: can't extract root file system" -} - -extract_shellball() -{ - ROOTFS=${1} - SHELLBALL=${2} - - printf "Extracting chromeos-firmwareupdate\n" - printf "cd /usr/sbin\ndump chromeos-firmwareupdate ${SHELLBALL}\nquit" \ - | debugfs "${ROOTFS}" || err "extract_shellball: debugfs" -} - -extract_coreboot() -{ - _shellball=${1} - _unpacked=$( mktemp -d ) - - printf "Extracting coreboot image\n" - - [ -f "${_shellball}" ] || \ - err "extract_coreboot: shellball missing in google peppy image" - - sh "${_shellball}" --unpack "${_unpacked}" || \ - err "extract_coreboot: shellball exits with non-zero status" - - # TODO: audit the f* out of that shellball, for each mrc version. - # it has to be updated for each mrc update. we should ideally - # implement the functionality ourselves. - - [ -f "${_unpacked}/VERSION" ] || \ - err "extract_coreboot: VERSION file missing on google coreboot rom" - - _version=$( cat "${_unpacked}/VERSION" | grep BIOS\ version: | \ - cut -f2 -d: | tr -d \ ) - - cp "${_unpacked}/bios.bin" "coreboot-${_version}.bin" || \ - err "extract_coreboot: cannot copy google peppy rom" - rm -Rf "${_unpacked}" || \ - err "extract_coreboot: cannot remove extracted google peppy archive" -} - -main $@ -- cgit v1.2.1