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#!/usr/bin/env sh
# SPDX-License-Identifier: GPL-3.0-only
# SPDX-FileCopyrightText: 2022 Caleb La Grange <thonkpeasant@protonmail.com>
# SPDX-FileCopyrightText: 2022 Ferass El Hafidi <vitali64pmemail@protonmail.com>
# SPDX-FileCopyrightText: 2023 Leah Rowe <leah@libreboot.org>
. "include/err.sh"
. "include/blobutil.sh"
. "include/mrc.sh"
export PATH="${PATH}:/sbin"
main()
{
[ $# -gt 0 ] || err "No argument given"
board="${1}"
boarddir="${cbcfgsdir}/${board}"
check_defconfig "${boarddir}" || exit 0
detect_firmware && exit 0
scan_sources_config
build_dependencies
download_blobs
}
detect_firmware()
{
set -- "${boarddir}/config/"*
. "${1}" 2>/dev/null
for c in CONFIG_HAVE_MRC CONFIG_HAVE_ME_BIN CONFIG_KBC1126_FIRMWARE \
CONFIG_VGA_BIOS_FILE CONFIG_INCLUDE_SMSC_SCH5545_EC_FW; do
eval "[ -z \"\${${c}}\" ] || return 1"
done
printf "Blobs not needed for: %s\n" "${board}" 1>&2
}
scan_sources_config()
{
_b=${board%%_*mb} # shorthand to avoid duplicating config per rom size
awkstr=" /\{.*${_b}.*}{/ {flag=1;next} /\}/{flag=0} flag { print }"
while read -r line ; do
set ${line} 1>/dev/null 2>/dev/null
eval "${1}=\"${2}\""
done << EOF
$(eval "awk '${awkstr}' config/blobs/sources")
EOF
}
build_dependencies()
{
[ -d ${cbdir} ] || ./update project trees coreboot ${cbdir##*/} || \
err "build_dependencies: can't fetch ${cbdir}"
for d in uefitool biosutilities bios_extract me_cleaner; do
[ -d "${d}" ] && continue
./update project repo "${d}" || \
err "build_dependencies: can't fetch ${d}"
done
[ -f uefitool/uefiextract ] || ./handle make file -b uefitool || \
err "build_dependencies: can't build uefitool"
[ -f "${cbdir}/util/kbc1126/kbc1126_ec_dump" ] || \
make -C "${cbdir}/util/kbc1126" || \
err "build_dependencies: can't build kbc1126_ec_dump"
./build coreboot utils default || \
err "build_dependencies: cannot build utils in cbutils/default/"
}
download_blobs()
{
[ -z "${CONFIG_HAVE_ME_BIN}" ] || \
fetch "intel_me" "${DL_url}" "${DL_url_bkup}" "${DL_hash}" \
"${CONFIG_ME_BIN_PATH}"
[ -z "${CONFIG_INCLUDE_SMSC_SCH5545_EC_FW}" ] || \
fetch "sch5545ec" "${SCH5545EC_DL_url}" \
"${SCH5545EC_DL_url_bkup}" "${SCH5545EC_DL_hash}" \
"${CONFIG_SMSC_SCH5545_EC_FW_FILE}"
[ -z "${CONFIG_KBC1126_FIRMWARE}" ] || \
fetch "kbc1126ec" "${EC_url}" "${EC_url_bkup}" "${EC_hash}" \
"${CONFIG_KBC1126_FW1}"
[ -z "${CONFIG_VGA_BIOS_FILE}" ] || \
fetch "e6400vga" "${E6400_VGA_DL_url}" \
"${E6400_VGA_DL_url_bkup}" "${E6400_VGA_DL_hash}" \
"${CONFIG_VGA_BIOS_FILE}"
if [ ! -z "${CONFIG_HAVE_MRC}" ]; then
fetch "mrc" "${MRC_url}" "${MRC_url_bkup}" "${MRC_hash}" \
"${CONFIG_MRC_FILE}"
fi
}
extract_intel_me()
{
bruteforce_extract_intel_me "$(pwd)/${_dest}" "$(pwd)/${appdir}" || \
err "extract_intel_me: could not extract Intel ME firmware"
}
# cursed, carcinogenic code. TODO rewrite it better
bruteforce_extract_intel_me()
{
_me_destination="${1}"
cdir="${2}" # must be an absolute path, not relative
[ -f "${_me_destination}" ] && return 0
sdir="$(mktemp -d)"
mkdir -p "${sdir}" || return 1
(
cd "${cdir}" || err "bruteforce_extract_intel_me: !cd \"${cdir}\""
for i in *; do
[ -f "${_me_destination}" ] && break
[ -L "${i}" ] && continue
if [ -f "${i}" ]; then
"${mecleaner}" -r -t -O "${sdir}/vendorfile" \
-M "${_me_destination}" "${i}" && break
"${mecleaner}" -r -t -O "${_me_destination}" "${i}" && \
break
"${me7updateparser}" -O "${_me_destination}" "${i}" && \
break
_7ztest="${_7ztest}a"
extract_archive "${i}" "${_7ztest}" || continue
bruteforce_extract_intel_me "${_me_destination}" \
"${cdir}/${_7ztest}"
elif [ -d "$i" ]; then
bruteforce_extract_intel_me "${_me_destination}" \
"${cdir}/${i}"
else
continue
fi
cdir="${1}"
cd "${cdir}"
done
)
rm -Rf "${sdir}" || err "bruteforce_extract_intel_me: !rm -Rf ${sdir}"
}
extract_kbc1126ec()
{
(
cd "${appdir}/" || \
err "extract_kbc1126_ec: !cd \"${appdir}/\""
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_kbc1126_ec !extract"
mv Rom.bin ec.bin || err "extract_kbc1126_ec: *didn't* extract"
fi
[ -f ec.bin ] || err "extract_kbc1126_ec ${board}: can't extract"
"${kbc1126_ec_dump}" ec.bin || \
err "extract_kbc1126_ec ${board}: can't extract ecfw1/2.bin"
)
ec_ex="y"
for i in 1 2; do
[ -f "${appdir}/ec.bin.fw${i}" ] || ec_ex="n"
done
[ "${ec_ex}" = "y" ] || \
err "extract_kbc1126_ec ${board}: didn't extract ecfw1/2.bin"
cp "${appdir}/"ec.bin.fw* "${_dest%/*}/" || \
err "extract_kbc1126_ec: cant mv ecfw1/2 ${_dest%/*}"
}
extract_e6400vga()
{
[ "${E6400_VGA_offset}" = "" ] && \
err "extract_e6400vga: E6400 VGA offset not defined"
[ "${E6400_VGA_romname}" = "" ] && \
err "extract_e6400vga: E6400 VGA ROM name not defined"
tail -c +${E6400_VGA_offset} "${dl_path}" | \
gunzip >"${appdir}/bios.bin" || :
(
cd "${appdir}" || err "extract_e6400vga: can't cd ${appdir}"
[ -f "bios.bin" ] || err "extract_e6400vga: can't extract bios.bin"
"${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}"/"${E6400_VGA_romname}" "${_dest}" || \
err "extract_e6400vga: can't copy vga rom to ${_dest}"
}
# TODO: this code is cancer. hardcoded is bad, and stupid.
# TODO: make it *scan* (based on signature, in each file)
extract_sch5545ec()
{
# full system ROM (UEFI), to extract with UEFIExtract:
_bios="${dl_path}_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 "${_sch5545ec_fw}" "${_dest}" || \
err "extract_sch5545ec: cannot copy sch5545ec firmware file"
}
mkdirs()
{
[ -f "${1}" ] && \
printf "mkdirs ${1} ${2}: already downloaded\n" 1>&2 && return 1
mkdir -p "${1%/*}" || err "mkdirs ${1} ${2}: !mkdir ${1%/*}"
rm -Rf "${appdir}" || err "mkdirs ${1} ${2}: can't remove ${appdir}"
mkdir -p "${appdir}/" || err "mkdirs ${1} ${2}: !mkdir ${appdir}"
extract_archive "${dl_path}" "${appdir}" || \
[ "${2}" = "extract_e6400vga" ] || err "mkdirs ${1} ${2}: !extract"
}
extract_archive()
{
innoextract "${1}" -d "${2}" || python "${pfs_extract}" "${1}" -e || \
7z x "${1}" -o"${2}" || unar "${1}" -o "${2}" || \
unzip "${1}" -d "${2}" || return 1
}
main $@
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