From 7af9953463c65fe2f02704e6bce815d830e58d7d Mon Sep 17 00:00:00 2001
From: Leah Rowe <leah@libreboot.org>
Date: Mon, 14 Nov 2022 00:51:12 +0000
Subject: pragmatic system distribution guideline compliance
osboot is now part of libreboot, and will soon shut down.
libreboot now conforms to osboot policy.
---
resources/scripts/blobs/extract | 89 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 89 insertions(+)
create mode 100755 resources/scripts/blobs/extract
(limited to 'resources/scripts/blobs/extract')
diff --git a/resources/scripts/blobs/extract b/resources/scripts/blobs/extract
new file mode 100755
index 00000000..cdb55cfe
--- /dev/null
+++ b/resources/scripts/blobs/extract
@@ -0,0 +1,89 @@
+#!/usr/bin/env bash
+# script to automate extracting blobs from an existing vendor bios
+
+# SPDX-FileCopyrightText: 2022 Caleb La Grange <thonkpeasant@protonmail.com>
+# SPDX-License-Identifier: GPL-3.0-only
+
+board="${1}"
+vendor_rom="${2}"
+
+Print_help(){
+ printf "Usage: ./blobutil extract {boardname} {path/to/vendor_rom}\n"
+ printf "Example: ./blobutil extract x230 12mb_flash.bin\n"
+ printf "\nYou need to specify exactly 2 arguments\n"
+}
+
+Build_deps(){
+ if [ ! -d me_cleaner ]; then
+ printf "downloading me_cleaner\n"
+ ./download me_cleaner
+ else
+ printf "me_cleaner already downloaded. Skipping.\n"
+ printf "run ./download me_cleaner to manually overwrite\n"
+ fi
+
+ if [ ! -d coreboot/default ]; then
+ printf "downloading coreboot\n"
+ ./download coreboot default
+ else
+ printf "coreboot already downloaded. Skipping.\n"
+ printf "run ./download coreboot to manually overwrite\n"
+ fi
+
+ printf "building ifdtool from coreboot\n"
+ ( cd coreboot/default/util/ifdtool && make )
+}
+
+Error_out(){
+ printf "failed to extract ${1}\nmake sure that your rom dump is valid\n"
+ exit 1
+}
+
+
+Extract_blobs(){
+ # TODO: find a better way to know which coreboot config to source
+ set -- "resources/coreboot/${board}/config/*"
+ . ${1} 2>/dev/null
+ . "resources/coreboot/${board}/board.cfg"
+
+ if [ "$CONFIG_HAVE_MRC" = "y" ]; then
+ printf 'haswell board detected, downloading mrc\n'
+ ./download mrc
+ fi
+
+ _me_destination=${CONFIG_ME_BIN_PATH#../../}
+ _gbe_destination=${CONFIG_GBE_BIN_PATH#../../}
+ _ifd_destination=${CONFIG_IFD_BIN_PATH#../../}
+
+ printf "extracting clean ime and modified ifd\n"
+ ./me_cleaner/me_cleaner.py -D ${_ifd_destination} -M ${_me_destination} ${vendor_rom} -t -r -S || Error_out me
+
+ printf "extracting gigabit ethernet firmware"
+ ./coreboot/default/util/ifdtool/ifdtool -x ${vendor_rom}
+ mv flashregion*gbe.bin ${_gbe_destination} || Error_out gbe
+
+ # Cleans up other files extracted with ifdtool
+ rm flashregion*.bin 2> /dev/null
+ printf "gbe, ifd, and me extracted to ${_me_destination%/*}\n"
+}
+
+if [ ! -f "${vendor_rom}" ] ; then
+ Print_help
+ exit 1
+fi
+
+if [ ! -d "resources/coreboot/${board}" ]; then
+ Print_help
+ printf "build/roms: Target %s does not exist in the %s build system. Skipping build.\n" "${projectname}" "${board}"
+ exit 1
+fi
+
+if [ ! -f "resources/coreboot/${board}/board.cfg" ]; then
+ Print_help
+ printf "build/roms: Target %s does not have a board.cfg. Skipping build.\n" "${board}"
+ exit 1
+fi
+
+printf "extracting blobs for ${board} from ${vendor_rom}\n"
+Build_deps
+Extract_blobs
--
cgit v1.2.1