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authorLeah Rowe <leah@libreboot.org>2023-08-27 17:19:36 +0100
committerLeah Rowe <leah@libreboot.org>2023-08-27 17:19:36 +0100
commit355eb765ff47b0855a6f5655312608d3264e70bf (patch)
tree922e7e432c4c57182d640f6f889292d6805c1fb4 /resources/scripts/update/blobs/mrc
parenteed34d3e8b0369270fd000c7ecafccdd93f4887e (diff)
move resources/scripts/ to script/
Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'resources/scripts/update/blobs/mrc')
-rwxr-xr-xresources/scripts/update/blobs/mrc184
1 files changed, 0 insertions, 184 deletions
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 <http://www.gnu.org/licenses/>.
-#
-
-[ "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 $@