diff options
author | Leah Rowe <leah@libreboot.org> | 2023-08-27 17:19:36 +0100 |
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committer | Leah Rowe <leah@libreboot.org> | 2023-08-27 17:19:36 +0100 |
commit | 355eb765ff47b0855a6f5655312608d3264e70bf (patch) | |
tree | 922e7e432c4c57182d640f6f889292d6805c1fb4 /script/update/blobs/extract | |
parent | eed34d3e8b0369270fd000c7ecafccdd93f4887e (diff) |
move resources/scripts/ to script/
Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'script/update/blobs/extract')
-rwxr-xr-x | script/update/blobs/extract | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/script/update/blobs/extract b/script/update/blobs/extract new file mode 100755 index 00000000..fa76dfb5 --- /dev/null +++ b/script/update/blobs/extract @@ -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 $@ |