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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 /script/update/blobs/extract
parenteed34d3e8b0369270fd000c7ecafccdd93f4887e (diff)
move resources/scripts/ to script/
Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'script/update/blobs/extract')
-rwxr-xr-xscript/update/blobs/extract122
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 $@