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move resources/scripts/ to script/

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Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2023-08-27 17:19:36 +01:00
parent eed34d3e8b
commit 355eb765ff
21 changed files with 4 additions and 3 deletions
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script/update/blobs/download
Executable
+516
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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-FileCopyrightText: 2023 Leah Rowe <info@minifree.org>
# SPDX-License-Identifier: GPL-3.0-only
. "include/err.sh"
agent="Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0"
ec_url=""
ec_url_bkup=""
ec_hash=""
dl_hash=""
dl_url=""
dl_url_bkup=""
dl_path=""
e6400_vga_dl_hash=""
e6400_vga_dl_url=""
e6400_vga_dl_url_bkup=""
e6400_vga_offset=""
e6400_vga_romname=""
sch5545ec_dl_url=""
sch5545ec_dl_url_bkup=""
sch5545ec_dl_hash=""
cbdir="coreboot/default"
cbcfgsdir="resources/coreboot"
boarddir=""
blobdir="blobs"
appdir="${blobdir}/app"
_7ztest="a"
mecleaner="$(pwd)/me_cleaner/me_cleaner.py"
e6400_unpack="$(pwd)/bios_extract/dell_inspiron_1100_unpacker.py"
me7updateparser="$(pwd)/resources/blobs/me7_update_parser.py"
kbc1126_ec_dump="$(pwd)/${cbdir}/util/kbc1126/kbc1126_ec_dump"
board=""
pfs_extract="$(pwd)/biosutilities/Dell_PFS_Extract.py"
uefiextract="$(pwd)/uefitool/uefiextract"
_b="" # board shorthand without e.g. _4mb (avoid duplication per flash size)
CONFIG_HAVE_MRC=""
CONFIG_HAVE_IFD_BIN=""
CONFIG_HAVE_ME_BIN=""
CONFIG_HAVE_GBE_BIN=""
CONFIG_KBC1126_FIRMWARE=""
CONFIG_BOARD_DELL_E6400=""
CONFIG_VGA_BIOS_FILE=""
CONFIG_INCLUDE_SMSC_SCH5545_EC_FW=""
CONFIG_SMSC_SCH5545_EC_FW_FILE=""
main()
{
[ $# -gt 0 ] || \
err "No argument given"
board="${1}"
boarddir="${cbcfgsdir}/${board}"
[ -d "${boarddir}" ] || \
err "Board target, ${board}, not defined"
[ -f "${boarddir}/target.cfg" ] || \
err "Target missing target.cfg"
no_config="printf \"No config for target, %s\\n\" ${board} 1>&2; exit 0"
for x in "${boarddir}"/config/*; do
[ -f "${x}" ] && no_config=""
done
eval "${no_config}"
detect_firmware || exit 0
scan_sources_config
build_dependencies
download_blobs
}
detect_firmware()
{
set -- "${boarddir}/config/"*
. "${1}"
. "${boarddir}/target.cfg"
[ "${CONFIG_HAVE_MRC}" = "y" ] && needs="${needs} MRC"
[ "${CONFIG_HAVE_IFD_BIN}" = "y" ] && needs="${needs} IFD"
[ "${CONFIG_HAVE_ME_BIN}" = "y" ] && needs="${needs} ME"
[ "${CONFIG_HAVE_GBE_BIN}" = "y" ] && needs="${needs} GBE"
[ "${CONFIG_KBC1126_FIRMWARE}" = "y" ] && needs="${needs} EC"
[ "${CONFIG_BOARD_DELL_E6400}" = "y" ] && \
[ "${CONFIG_VGA_BIOS_FILE}" != "" ] && needs="${needs} E6400VGA"
[ "${CONFIG_INCLUDE_SMSC_SCH5545_EC_FW}" = "y" ] && \
needs="${needs} SCH5545EC"
[ -z ${needs+x} ] && \
printf "No binary blobs needed for this board\n" && \
return 1
printf "Firmware needed for board '%s':\n%s\n" "${board}" "${needs}"
}
scan_sources_config()
{
# Shorthand (avoid duplicating configs per flash size)
_b=${board%%_*mb}
awkstr=" /\{.*${_b}.*}{/ {flag=1;next} /\}/{flag=0} flag { print }"
while read -r line ; do
case ${line} in
EC_url_bkup*)
set ${line}
ec_url_bkup=${2} ;;
EC_url*)
set ${line}
ec_url=${2} ;;
EC_hash*)
set ${line}
ec_hash=${2} ;;
DL_hash*)
set ${line}
dl_hash=${2} ;;
DL_url_bkup*)
set ${line}
dl_url_bkup=${2} ;;
DL_url*)
set ${line}
dl_url=${2} ;;
E6400_VGA_DL_hash*)
set ${line}
e6400_vga_dl_hash=${2} ;;
E6400_VGA_DL_url_bkup*)
set ${line}
e6400_vga_dl_url_bkup=${2} ;;
E6400_VGA_DL_url*)
set ${line}
e6400_vga_dl_url=${2} ;;
E6400_VGA_offset*)
set ${line}
e6400_vga_offset=${2} ;;
E6400_VGA_romname*)
set ${line}
e6400_vga_romname=${2} ;;
SCH5545EC_DL_hash*)
set ${line}
sch5545ec_dl_hash=${2} ;;
SCH5545EC_DL_url_bkup*)
set ${line}
sch5545ec_dl_url_bkup=${2} ;;
SCH5545EC_DL_url*)
set ${line}
sch5545ec_dl_url=${2} ;;
esac
done << EOF
$(eval "awk '${awkstr}' resources/blobs/sources")
EOF
}
build_dependencies()
{
[ -d ${cbdir} ] || \
./fetch_trees coreboot ${cbdir##*/} || \
err "build_dependencies: can't fetch ${cbdir}"
for d in uefitool biosutilities bios_extract me_cleaner; do
[ -d "${d}" ] && continue
./fetch "${d}" || \
err "build_dependencies: can't fetch ${d}"
done
[ -f uefitool/uefiextract ] || \
./handle make file -b uefitool || \
err "build_dependencies: can't build uefitool"
if [ ! -f "${cbdir}/util/kbc1126/kbc1126_ec_dump" ]; then
make -BC "${cbdir}/util/kbc1126" || \
err "build_dependencies: can't build kbc1126_ec_dump"
fi
}
download_blobs()
{
for need in ${needs}; do
case ${need} in
*ME*)
download_blob_intel_me || _failed="${_failed} me" ;;
*SCH5545EC*)
download_sch5545ec || failed="${_failed} sch5545ec" ;;
*EC*)
download_ec || _failed="${_failed} ec" ;;
*E6400VGA*)
download_e6400vga || _failed="${_failed} e6400vga" ;;
*MRC*)
./update blobs mrc || _failed="${_failed} mrc" ;;
esac
done
if [ ! -z ${_failed+x} ]; then
err "download_blobs: can't download blobs: ${_failed}\n"
fi
}
download_blob_intel_me()
{
printf "Downloading neutered ME for board: %s\n" ${board}
fetch_update me || return 1
extract_blob_intel_me || return 1
}
extract_blob_intel_me()
{
printf "Extracting neutered ME for ${board}\n"
_me_destination=${CONFIG_ME_BIN_PATH#../../}
[ -d "${_me_destination%/*}" ] || \
mkdir -p "${_me_destination%/*}" || \
err "extract_blob_intel_me: mkdir ${_me_destination%/*}"
[ ! -d "${appdir}" ] || \
rm -Rf "${appdir}" || \
err "extract_blob_intel_me: can't rm -Rf \"${appdir}\""
if [ -f "${_me_destination}" ]; then
printf "Intel ME firmware already downloaded\n" 1>&2
return 0
fi
printf "Extracting and stripping Intel ME firmware\n"
innoextract "${dl_path}" -d "${appdir}" || \
7z x "${dl_path}" -o"${appdir}" || \
unar "${dl_path}" -o "${appdir}" || \
err "extract_blob_intel_me: could not extract vendor update"
bruteforce_extract_blob_intel_me "$(pwd)/${_me_destination}" \
"$(pwd)/${appdir}" || \
err "extract_blob_intel_me: could not extract Intel ME firmware"
[ -f "${_me_destination}" ] || \
err "extract_blob_intel_me, ${board}: me.bin missing"
printf "Truncated and cleaned me output to: %s\n" "${_me_destination}"
}
# cursed, carcinogenic code. TODO rewrite it better
bruteforce_extract_blob_intel_me()
{
_me_destination="${1}"
cdir="${2}" # must be an absolute path, not relative
[ -f "${_me_destination}" ] && return 0
sdir="$(mktemp -d)"
mkdir -p "${sdir}" || return 1
(
printf "Entering %s\n" "${cdir}"
cd "${cdir}" || \
err "bruteforce_extract_blob_intel_me: can't cd \"${cdir}\""
for i in *; do
if [ -f "${_me_destination}" ]; then
# me.bin found, so avoid needless further traversal
break
elif [ -L "${i}" ]; then
# symlinks are a security risk, in this context
continue
elif [ -f "${i}" ]; then
"${mecleaner}" -r -t -O "${sdir}/vendorfile" \
-M "${_me_destination}" "${i}" \
&& break # (we found me.bin)
"${mecleaner}" -r -t -O "${_me_destination}" "${i}" \
&& break # (we found me.bin)
"${me7updateparser}" -O "${_me_destination}" "${i}" \
&& break # (we found me.bin)
_7ztest="${_7ztest}a"
7z x "${i}" -o"${_7ztest}" \
|| innoextract "${i}" -d "${_7ztest}" \
|| unar "${i}" -o "${_7ztest}" \
|| continue
bruteforce_extract_blob_intel_me "${_me_destination}" \
"${cdir}/${_7ztest}"
elif [ -d "$i" ]; then
bruteforce_extract_blob_intel_me "${_me_destination}" \
"${cdir}/${i}"
else
printf "SKIPPING: %s\n" "${i}"
continue
fi
cdir="${1}"
cd "${cdir}" # audit note: we already checked this (see above)
done
)
rm -Rf "${sdir}" || \
err "bruteforce_extract_blob_intel_me: can't rm -Rf \"${sdir}\""
}
download_ec()
{
printf "Downloading KBC1126 EC firmware for HP laptop\n"
fetch_update ec || return 1
extract_blob_kbc1126_ec || return 1
}
extract_blob_kbc1126_ec()
{
printf "Extracting KBC1126 EC firmware for board: %s\n" ${board}
_ec_destination=${CONFIG_KBC1126_FW1#../../}
[ -d "${_ec_destination%/*}" ] || \
mkdir -p "${_ec_destination%/*}" || \
err "extract_blob_kbc1126_ec: !mkdir ${_ec_destination%/*}"
[ ! -d "${appdir}" ] || \
rm -Rf "${appdir}" || \
err "extract_blob_kbc1126_ec: !rm -Rf ${appdir}"
if [ -f "${_ec_destination}" ]; then
printf "KBC1126 EC firmware already downloaded\n" 1>&2
return 0
fi
unar "${dl_path}" -o "${appdir}" || \
err "extract_blob_kbc1126_ec: !unar \"${dl_path}\" -o \"${appdir}\""
(
cd "${appdir}/${dl_path##*/}" || \
err "extract_blob_kbc1126_ec: !cd \"${appdir}/${dl_path##*/}\""
mv Rompaq/68*.BIN ec.bin || :
if [ ! -f ec.bin ]; then
unar -D ROM.CAB Rom.bin || \
unar -D Rom.CAB Rom.bin || \
unar -D 68*.CAB Rom.bin || \
err "extract_blob_kbc1126_ec: can't extract ec.bin"
mv Rom.bin ec.bin || \
err "extract_blob_kbc1126_ec: *didn't* extract ec.bin"
fi
[ -f ec.bin ] || \
err "extract_blob_kbc1126_ec: ${board}: can't extract ec.bin"
"${kbc1126_ec_dump}" ec.bin || \
err "extract_blob_kbc1126_ec: ${board}: can't extract ecfw1/2.bin"
)
ec_ex="y"
for i in 1 2; do
[ -f "${appdir}/${dl_path##*/}/ec.bin.fw${i}" ] || ec_ex="n"
done
[ "${ec_ex}" = "y" ] || \
err "extract_blob_kbc1126_ec: ${board}: didn't extract ecfw1/2.bin"
cp "${appdir}/${dl_path##*/}"/ec.bin.fw* "${_ec_destination%/*}/" || \
err "extract_blob_kbc1126_ec: cant mv ecfw1/2 ${_ec_destination%/*}"
}
download_e6400vga()
{
printf "Downloading Nvidia VGA ROM for Dell Latitude E6400\n"
fetch_update e6400vga || return 1
extract_e6400vga || return 1
}
extract_e6400vga()
{
printf "Extracting Nvidia VGA ROM for ${board}\n"
_vga_destination=${CONFIG_VGA_BIOS_FILE#../../}
if [ -f "${_vga_destination}" ]; then
printf "extract_e6400vga: vga rom already downloaded\n" 1>&2
return 0
fi
[ -d "${_vga_destination%/*}" ] || \
mkdir -p "${_vga_destination%/*}" || \
err "extract_e6400vga: can't mkdir ${_vga_destination%/*}"
[ ! -d "${appdir}" ] || \
rm -Rf "${appdir}" || \
err "extract_e6400vga: can't rm -Rf ${appdir}"
mkdir -p "${appdir}" || \
err "extract_e6400vga: can't mkdir ${appdir}"
cp "${dl_path}" "${appdir}" || \
err "extract_e6400vga: can't copy vendor update"
[ "${e6400_vga_offset}" = "" ] && \
err "extract_e6400vga: E6400 VGA offset not defined"
[ "${e6400_vga_romname}" = "" ] && \
err "extract_e6400vga: E6400 VGA ROM name not defined"
(
cd "${appdir}" || \
err "extract_e6400vga: can't cd ${appdir}"
tail -c +${e6400_vga_offset} "${dl_path##*/}" | gunzip > bios.bin || \
err "extract_e6400vga: can't gunzip > bios.bin"
[ -f "bios.bin" ] || \
err "extract_e6400vga: can't extract bios.bin from update"
"${e6400_unpack}" bios.bin || printf "TODO: fix dell extract util\n"
[ -f "${e6400_vga_romname}" ] || \
err "extract_e6400vga: can't extract vga rom from bios.bin"
)
cp "${appdir}"/"${e6400_vga_romname}" "${_vga_destination}" || \
err "extract_e6400vga: can't copy vga rom to ${_vga_destination}"
printf "E6400 Nvidia ROM saved to: %s\n" "${_vga_destination}"
}
download_sch5545ec()
{
printf "Downloading SMSC SCH5545 Environment Controller firmware\n"
fetch_update sch5545ec || return 1
extract_sch5545ec || return 1
}
# TODO: this code is cancer. hardcoded is bad, and stupid.
# TODO: make it *scan* (based on signature, in each file)
extract_sch5545ec()
{
printf "Extracting SCH5545 Environment Controller firmware for '%s'\n" \
${board}
_sch5545ec_destination=${CONFIG_SMSC_SCH5545_EC_FW_FILE#../../}
if [ -f "${_sch5545ec_destination}" ]; then
printf "sch5545 firmware already downloaded\n" 1>&2
return 0
fi
[ ! -d "${appdir}" ] || rm -Rf "${appdir}" || \
err "extract_sch5545ec: can't remove ${appdir}"
mkdir -p "${appdir}/" || err "extract_sch5545ec: !mkdir ${appdir}"
cp "${dl_path}" "${appdir}/" || \
err "extract_sch5545ec: can't copy vendor update file"
python "${pfs_extract}" "${appdir}/${dlsum}" -e || \
err "extract_sch5545ec: can't extract from vendor update"
# full system ROM (UEFI), to extract with UEFIExtract:
_bios="${appdir}/${dlsum}_extracted/Firmware"
_bios="${_bios}/1 ${dlsum} -- 1 System BIOS vA.28.bin"
# this is the SCH5545 firmware, inside of the extracted UEFI ROM:
_sch5545ec_fw="${_bios}.dump/4 7A9354D9-0468-444A-81CE-0BF617D890DF"
_sch5545ec_fw="${_sch5545ec_fw}/54 D386BEB8-4B54-4E69-94F5-06091F67E0D3"
_sch5545ec_fw="${_sch5545ec_fw}/0 Raw section/body.bin" # <-- this!
# this makes the file defined by _sch5545ec_fw available to copy
"${uefiextract}" "${_bios}" || \
err "extract_sch5545ec: cannot extract from uefi image"
cp "${_sch5545ec_fw}" "${_sch5545ec_destination}" || \
err "extract_sch5545ec: cannot copy sch5545ec firmware file"
}
fetch_update()
{
printf "Fetching vendor update for board: %s\n" "${board}"
fw_type="${1}"
dl=""
dl_bkup=""
dlsum=""
if [ "${fw_type}" = "me" ]; then
dl=${dl_url}
dl_bkup=${dl_url_bkup}
dlsum=${dl_hash}
elif [ "${fw_type}" = "ec" ]; then
dl=${ec_url}
dl_bkup=${ec_url_bkup}
dlsum=${ec_hash}
elif [ "${fw_type}" = "e6400vga" ]; then
dl=${e6400_vga_dl_url}
dl_bkup=${e6400_vga_dl_url_bkup}
dlsum=${e6400_vga_dl_hash}
elif [ "${fw_type}" = "sch5545ec" ]; then
dl="${sch5545ec_dl_url}"
dl_bkup="${sch5545ec_dl_url_bkup}"
dlsum="${sch5545ec_dl_hash}"
else
err "fetch_update: Unsupported download type: ${fw_type}"
fi
[ -z "${dl_url+x}" ] && [ "${fw_type}" != "e6400vga" ] && \
err "fetch_update ${fw_type}: dl_url unspecified for: ${board}"
dl_path="${blobdir}/cache/${dlsum}"
mkdir -p "${blobdir}/cache" || err "fetch_update: !mkdir ${blobdir}/cache"
dl_fail="y"
vendor_checksum "${dlsum}" && dl_fail="n"
for x in "${dl}" "${dl_bkup}"; do
[ "${dl_fail}" = "n" ] && break
[ -z "${x}" ] && continue
rm -f "${dl_path}" || \
err "fetch_update ${fw_type}: !rm -f ${dl_path}"
wget -U "${agent}" "${x}" -O "${dl_path}" || continue
vendor_checksum "${dlsum}" && dl_fail="n"
done
if [ "${dl_fail}" = "y" ]; then
printf "ERROR: invalid vendor updates for: %s\n" "${board}" 1>&2
err "fetch_update ${fw_type}: matched vendor update unavailable"
fi
}
vendor_checksum()
{
if [ ! -f "${dl_path}" ]; then
printf "Vendor update not found on disk for: %s\n" "${board}" \
1>&2
return 1
elif [ "$(sha1sum ${dl_path} | awk '{print $1}')" != "${1}" ]; then
printf "Bad checksum on vendor update for: %s\n" "${board}" 1>&2
return 1
fi
}
main $@
script/update/blobs/extract
Executable
+122
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@@ -0,0 +1,122 @@
#!/usr/bin/env sh
# script to automate extracting blobs from an existing vendor bios
# SPDX-FileCopyrightText: 2022 Caleb La Grange <thonkpeasant@protonmail.com>
# SPDX-FileCopyrightText: 2023 Leah Rowe <leah@libreboot.org>
# SPDX-License-Identifier: GPL-3.0-only
. "include/err.sh"
sname=""
board=""
vendor_rom=""
cbdir="coreboot/default"
cbcfgsdir="resources/coreboot"
ifdtool="${cbdir}/util/ifdtool/ifdtool"
mecleaner="me_cleaner/me_cleaner.py"
me7updateparser="resources/blobs/me7_update_parser.py"
boarddir=""
CONFIG_HAVE_MRC=""
CONFIG_ME_BIN_PATH=""
CONFIG_GBE_BIN_PATH=""
CONFIG_IFD_BIN_PATH=""
_me_destination=""
_gbe_destination=""
_ifd_destination=""
main()
{
sname=${0}
[ $# -lt 2 ] && err "Missing arguments (fewer than two)."
board="${1}"
vendor_rom="${2}"
boarddir="${cbcfgsdir}/${board}"
check_board
build_dependencies
extract_blobs
}
check_board()
{
if [ ! -f "${vendor_rom}" ]; then
err "check_board: ${board}: file does not exist: ${vendor_rom}"
elif [ ! -d "${boarddir}" ]; then
err "check_board: ${board}: target not defined"
elif [ ! -f "${boarddir}/target.cfg" ]; then
err "check_board: ${board}: missing target.cfg"
fi
}
build_dependencies()
{
if [ ! -d me_cleaner ]; then
./fetch me_cleaner || \
err "build_dependencies: can't fetch me_cleaner"
elif [ ! -d "${cbdir}" ]; then
./fetch_trees coreboot default || \
err "build_dependencies: can't fetch coreboot"
elif [ ! -f "${ifdtool}" ]; then
make -C "${ifdtool%/ifdtool}" || \
err "build_dependencies: can't build ifdtool"
fi
}
extract_blobs()
{
printf "extracting blobs for %s from %s\n" ${board} ${vendor_rom}
set -- "${boarddir}/config/"*
. "${1}"
. "${boarddir}/target.cfg"
[ "$CONFIG_HAVE_MRC" != "y" ] || \
./update blobs mrc || err "extract_blobs: can't fetch mrc"
_me_destination=${CONFIG_ME_BIN_PATH#../../}
_gbe_destination=${CONFIG_GBE_BIN_PATH#../../}
_ifd_destination=${CONFIG_IFD_BIN_PATH#../../}
extract_blob_intel_me
extract_blob_intel_gbe_nvm
# Cleans up other files extracted with ifdtool
rm -f flashregion*.bin || err "extract_blobs: !rm -f flashregion*.bin"
[ -f "${_ifd_destination}" ] || err "extract_blobs: Cannot extract IFD"
printf "gbe, ifd, and me extracted to %s\n" "${_me_destination%/*}"
}
extract_blob_intel_me()
{
printf "extracting clean ime and modified ifd\n"
"${mecleaner}" -D "${_ifd_destination}" \
-M "${_me_destination}" "${vendor_rom}" -t -r -S || \
"${me7updateparser}" \
-O "${_me_destination}" "${vendor_rom}" || \
err "extract_blob_intel_me: cannot extract from vendor rom"
}
extract_blob_intel_gbe_nvm()
{
printf "extracting gigabit ethernet firmware"
./"${ifdtool}" -x "${vendor_rom}" || \
err "extract_blob_intel_gbe_nvm: cannot extract gbe.bin from rom"
mv flashregion*gbe.bin "${_gbe_destination}" || \
err "extract_blob_intel_gbe_nvm: cannot move gbe.bin"
}
print_help()
{
printf "Usage: ./update blobs extract {boardname} {path/to/vendor_rom}\n"
printf "Example: ./update blobs extract x230 12mb_flash.bin\n"
printf "\nYou need to specify exactly 2 arguments\n"
}
main $@
script/update/blobs/inject
Executable
+362
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#!/usr/bin/env sh
# SPDX-FileCopyrightText: 2022 Caleb La Grange <thonkpeasant@protonmail.com>
# SPDX-FileCopyrightText: 2022 Ferass El Hafidi <vitali64pmemail@protonmail.com>
# SPDX-FileCopyrightText: 2023 Leah Rowe <info@minifree.org>
# SPDX-License-Identifier: GPL-3.0-only
. "include/err.sh"
sname=""
archive=""
_filetype=""
rom=""
board=""
modifygbe=""
new_mac=""
release=""
releasearchive=""
cbdir="coreboot/default"
cbcfgsdir="resources/coreboot"
ifdtool="cbutils/default/ifdtool"
cbfstool="cbutils/default/cbfstool"
nvmutil="util/nvmutil/nvm"
boarddir=""
pciromsdir="pciroms"
CONFIG_HAVE_MRC=""
CONFIG_HAVE_ME_BIN=""
CONFIG_ME_BIN_PATH=""
CONFIG_KBC1126_FIRMWARE=""
CONFIG_KBC1126_FW1=""
CONFIG_KBC1126_FW1_OFFSET=""
CONFIG_KBC1126_FW2=""
CONFIG_KBC1126_FW2_OFFSET=""
CONFIG_VGA_BIOS_FILE=""
CONFIG_VGA_BIOS_ID=""
CONFIG_GBE_BIN_PATH=""
CONFIG_INCLUDE_SMSC_SCH5545_EC_FW=""
CONFIG_SMSC_SCH5545_EC_FW_FILE=""
main()
{
sname="${0}"
[ $# -lt 1 ] && err "No options specified."
[ "${1}" = "listboards" ] && \
./build command options resources/coreboot && exit 0
archive="${1}"
while getopts r:b:m: option
do
case "${option}" in
r)
rom=${OPTARG} ;;
b)
board=${OPTARG} ;;
m)
modifygbe=true
new_mac=${OPTARG} ;;
esac
done
check_board
build_dependencies
inject_blobs
printf "Friendly reminder (this is *not* an error message):\n"
printf "Please always ensure that the files were inserted correctly.\n"
printf "Read: https://libreboot.org/docs/install/ivy_has_common.html\n"
}
check_board()
{
if ! check_release "${archive}" ; then
[ -f "${rom}" ] || \
err "check_board: \"${rom}\" is not a valid path"
[ -z ${rom+x} ] && \
err "check_board: no rom specified"
[ ! -z ${board+x} ] || \
board=$(detect_board "${rom}")
else
release=true
releasearchive="${archive}"
board=$(detect_board "${archive}")
fi
boarddir="${cbcfgsdir}/${board}"
if [ ! -d "${boarddir}" ]; then
err "check_board: board ${board} not found"
fi
}
check_release()
{
[ -f "${archive}" ] || return 1
[ "${archive##*.}" = "xz" ] || return 1
printf "%s\n" "Release archive ${archive} detected"
}
# This function tries to determine the board from the filename of the rom.
# It will only succeed if the filename is not changed from the build/download
detect_board()
{
path="${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="${_stripped_prefix%.tar.xz}" ;;
*)
err "detect_board: could not detect board type"
esac
[ -d "${boarddir}/" ] || \
err "detect_board: dir, ${boarddir}, doesn't exist"
printf '%s\n' "${board}"
}
build_dependencies()
{
[ -d "${cbdir}" ] || ./fetch_trees coreboot default
./build coreboot utils default || \
err "build_dependencies: could not build cbutils"
./update blobs download ${board} || \
err "build_dependencies: Could not download blobs for ${board}"
}
inject_blobs()
{
if [ "${release}" = "true" ]; then
printf "patching release file\n"
patch_release_roms
else
patch_rom "${rom}" || \
err "inject_blobs: could not patch ${x}"
fi
}
patch_release_roms()
{
_tmpdir=$(mktemp -d "/tmp/${board}_tmpXXXX")
tar xf "${releasearchive}" -C "${_tmpdir}" || \
err "patch_release_roms: could not extract release archive"
for x in "${_tmpdir}"/bin/*/*.rom ; do
echo "patching rom $x"
patch_rom "${x}" || err "patch_release_roms: could not patch ${x}"
done
(
cd "${_tmpdir}"/bin/*
sha1sum --status -c blobhashes || \
err "patch_release_roms: ROMs did not match expected hashes"
)
if [ "${modifygbe}" = "true" ]; then
for x in "${_tmpdir}"/bin/*/*.rom ; do
modify_gbe "${x}"
done
fi
[ -d bin/release ] || mkdir -p bin/release || \
err "patch_release_roms: !mkdir -p bin/release"
mv "${_tmpdir}"/bin/* bin/release/ || \
err "patch_release_roms: !mv ${_tmpdir}/bin/* bin/release/"
printf "Success! Your ROMs are in bin/release\n"
rm -Rf "${_tmpdir}" || err "patch_release_roms: !rm -Rf ${_tmpdir}"
}
patch_rom()
{
rom="${1}"
no_config="printf \"No configs on target, %s\\n\" ${board} 1>&2; exit 1"
for x in "${boarddir}"/config/*; do
[ -f "${x}" ] && no_config=""
done
eval "${no_config}"
[ -f "${boarddir}/target.cfg" ] || \
err "patch_rom: file missing: ${boarddir}/target.cfg"
set -- "${boarddir}/config/"*
. "${1}"
. "${boarddir}/target.cfg"
[ "$CONFIG_HAVE_MRC" = "y" ] && \
inject_blob_intel_mrc "${rom}"
[ "${CONFIG_HAVE_ME_BIN}" = "y" ] && \
inject_blob_intel_me "${rom}"
[ "${CONFIG_KBC1126_FIRMWARE}" = "y" ] && \
inject_blob_hp_kbc1126_ec "${rom}"
[ "${CONFIG_VGA_BIOS_FILE}" != "" ] && \
[ "${CONFIG_VGA_BIOS_ID}" != "" ] && \
inject_blob_dell_e6400_vgarom_nvidia
[ "${CONFIG_INCLUDE_SMSC_SCH5545_EC_FW}" = "y" ] && \
[ "${CONFIG_SMSC_SCH5545_EC_FW_FILE}" != "" ] && \
inject_blob_smsc_sch5545_ec "${rom}"
[ "${modifygbe}" = "true" ] && ! [ "${release}" = "true" ] && \
modify_gbe "${rom}"
printf "ROM image successfully patched: %s\n" "${rom}"
}
inject_blob_intel_mrc()
{
rom="${1}"
printf 'adding mrc\n'
# mrc.bin must be inserted at a specific offset. the only
# libreboot platform that needs it, at present, is haswell
# in cbfstool, -b values above 0x80000000 are interpreted as
# top-aligned x86 memory locations. this is converted into an
# absolute offset within the flash, and inserted accordingly
# at that offset into the ROM image file
# coreboot's own build system hardcodes the mrc.bin offset
# because there is only one correct location in memory, but
# it would be useful for lbmk if it could be easily scanned
# from Kconfig, with the option to change it where in practise
# it is not changed
# the hardcoded offset below is based upon reading of the coreboot
# source code, and it is *always* correct for haswell platform.
# TODO: this logic should be tweaked to handle more platforms
"${cbfstool}" "${rom}" add -f mrc/haswell/mrc.bin -n mrc.bin -t mrc \
-b 0xfffa0000 || err "inject_blob_intel_mrc: cannot insert mrc.bin"
}
inject_blob_intel_me()
{
printf 'adding intel management engine\n'
rom="${1}"
[ -z ${CONFIG_ME_BIN_PATH} ] && \
err "inject_blob_intel_me: CONFIG_ME_BIN_PATH not set"
_me_location=${CONFIG_ME_BIN_PATH#../../}
[ ! -f "${_me_location}" ] && \
err "inject_blob_intel_me: per CONFIG_ME_BIN_PATH: file missing"
"${ifdtool}" -i me:"${_me_location}" "${rom}" -O "${rom}" || \
err "inject_blob_intel_me: cannot insert me.bin"
}
inject_blob_hp_kbc1126_ec()
{
rom="${1}"
_ec1_location="${CONFIG_KBC1126_FW1#../../}"
_ec1_offset="${CONFIG_KBC1126_FW1_OFFSET}"
_ec2_location="${CONFIG_KBC1126_FW2#../../}"
_ec2_offset="${CONFIG_KBC1126_FW2_OFFSET}"
printf "adding hp kbc1126 ec firmware\n"
if [ "${_ec1_offset}" = "" ] || [ "${_ec1_offset}" = "" ]; then
err "inject_blob_hp_kbc1126_ec: ${board}: offset not declared"
fi
if [ "${_ec1_location}" = "" ] || [ "${_ec2_location}" = "" ]; then
err "inject_blob_hp_kbc1126_ec: ${board}: EC path not declared"
fi
if [ ! -f "${_ec1_location}" ] || [ ! -f "${_ec2_location}" ]; then
err "inject_blob_hp_kbc1126_ec: ${board}: ecfw not downloaded"
fi
"${cbfstool}" "${rom}" add -f "${_ec1_location}" -n ecfw1.bin \
-b ${_ec1_offset} -t raw || \
err "inject_blob_hp_kbc1126_ec: cannot insert ecfw1.bin"
"${cbfstool}" "${rom}" add -f "${_ec2_location}" -n ecfw2.bin \
-b ${_ec2_offset} -t raw || \
err "inject_blob_hp_kbc1126_ec: cannot insert ecfw2.bin"
}
inject_blob_dell_e6400_vgarom_nvidia()
{
rom="${1}"
_vga_location="${CONFIG_VGA_BIOS_FILE#../../}"
_vga_dir="${_vga_location%/*}"
_vga_filename="${_vga_location##*/}"
printf "adding pci option rom\n"
if [ "${_vga_dir}" != "${pciromsdir}" ]; then
err "inject_blob_dell_e6400vga: invalid pcirom dir: ${_vga_dir}"
fi
if [ ! -f "${_vga_location}" ]; then
err "inject_blob_dell_e6400vga: ${_vga_location} doesn't exist"
fi
"${cbfstool}" "${rom}" add -f "${_vga_location}" \
-n "pci${CONFIG_VGA_BIOS_ID}.rom" -t optionrom || \
err "inject_blob_dell_e6400vga: cannot insert vga oprom"
}
inject_blob_smsc_sch5545_ec()
{
rom="${1}"
_sch5545ec_location="${CONFIG_SMSC_SCH5545_EC_FW_FILE#../../}"
if [ ! -f "${_sch5545ec_location}" ]; then
err "inject_blob_smsc_sch5545_ec: SCH5545 fw missing"
fi
"${cbfstool}" "${rom}" add -f "${_sch5545ec_location}" \
-n sch5545_ecfw.bin -t raw || \
err "inject_blob_smsc_sch5545_ec: can't insert sch5545_ecfw.bin"
}
modify_gbe()
{
printf "changing mac address in gbe to ${new_mac}\n"
rom="${1}"
[ -z ${CONFIG_GBE_BIN_PATH} ] && \
err "modify_gbe: ${board}: CONFIG_GBE_BIN_PATH not set"
_gbe_location=${CONFIG_GBE_BIN_PATH#../../}
[ -f "${_gbe_location}" ] || \
err "modify_gbe: CONFIG_GBE_BIN_PATH points to missing file"
[ -f "${nvmutil}" ] || \
make -C util/nvmutil || err "modify_gbe: couldn't build nvmutil"
_gbe_tmp=$(mktemp -t gbeXXXX.bin)
cp "${_gbe_location}" "${_gbe_tmp}"
"${nvmutil}" "${_gbe_tmp}" setmac "${new_mac}" || \
err "modify_gbe: ${board}: failed to modify mac address"
"${ifdtool}" -i GbE:"${_gbe_tmp}" "${rom}" -O "${rom}" || \
err "modify_gbe: ${board}: cannot insert modified gbe.bin"
rm -f "${_gbe_tmp}"
}
usage()
{
cat <<- EOF
USAGE: ./update blobs inject -r [rom path] -b [boardname] -m [macaddress]
Example: ./update blobs 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 './update blobs inject listboards' to get a list of valid boards
EOF
}
main $@
script/update/blobs/mrc
Executable
+184
View File
@@ -0,0 +1,184 @@
#!/usr/bin/env sh
# Download Intel MRC images
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
[ "x${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 $@