145 lines
2.9 KiB
Bash
Executable File
145 lines
2.9 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
#
|
|
# This file is part of the coreboot project.
|
|
#
|
|
# Copyright (C) 2016 Joe Pillow
|
|
#
|
|
# 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.
|
|
#
|
|
|
|
# This script needs
|
|
# * sharutils
|
|
|
|
#DEBUG=1
|
|
|
|
# On some systems, `parted` and `debugfs` are located in /sbin.
|
|
export PATH="$PATH:/sbin"
|
|
|
|
debug()
|
|
{
|
|
test "$DEBUG" == "1" && echo "$*"
|
|
}
|
|
|
|
get_inventory()
|
|
{
|
|
_conf=$1
|
|
_url=https://dl.google.com/dl/edgedl/chromeos/recovery/recovery.conf
|
|
|
|
debug "Downloading recovery image inventory..."
|
|
|
|
curl -s "$_url" > $_conf
|
|
}
|
|
|
|
download_image()
|
|
{
|
|
_url=$1
|
|
_file=$2
|
|
|
|
debug "Downloading recovery image"
|
|
curl "$_url" > "$_file.zip"
|
|
debug "Decompressing recovery image"
|
|
unzip -q "$_file.zip"
|
|
rm "$_file.zip"
|
|
}
|
|
|
|
extract_partition()
|
|
{
|
|
NAME=$1
|
|
FILE=$2
|
|
ROOTFS=$3
|
|
_bs=1024
|
|
|
|
debug "Extracting ROOT-A partition"
|
|
ROOTP=$( 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 )) > /dev/null 2>&1
|
|
}
|
|
|
|
extract_shellball()
|
|
{
|
|
ROOTFS=$1
|
|
SHELLBALL=$2
|
|
|
|
debug "Extracting chromeos-firmwareupdate"
|
|
printf "cd /usr/sbin\ndump chromeos-firmwareupdate $SHELLBALL\nquit" | \
|
|
debugfs $ROOTFS > /dev/null 2>&1
|
|
}
|
|
|
|
extract_coreboot()
|
|
{
|
|
_shellball=$1
|
|
_unpacked=$( mktemp -d )
|
|
|
|
debug "Extracting coreboot image"
|
|
sh $_shellball --sb_extract $_unpacked > /dev/null
|
|
|
|
_version=$( cat $_unpacked/VERSION | grep BIOS\ version: | \
|
|
cut -f2 -d: | tr -d \ )
|
|
|
|
cp $_unpacked/bios.bin coreboot-$_version.bin
|
|
rm -r "$_unpacked"
|
|
}
|
|
|
|
do_one_board()
|
|
{
|
|
_board=$1
|
|
_url=$2
|
|
_file=$3
|
|
|
|
download_image $_url $_file
|
|
|
|
extract_partition ROOT-A $_file root-a.ext2
|
|
extract_shellball root-a.ext2 chromeos-firmwareupdate-$_board
|
|
rm $_file root-a.ext2
|
|
|
|
extract_coreboot chromeos-firmwareupdate-$_board
|
|
}
|
|
|
|
#
|
|
# Main
|
|
#
|
|
|
|
BOARD=$1
|
|
|
|
if [ "$BOARD" == "all" ]; then
|
|
CONF=$( mktemp )
|
|
get_inventory $CONF
|
|
|
|
grep ^name= $CONF| while read _line; do
|
|
name=$( echo $_line | cut -f2 -d= )
|
|
echo Processing board $name
|
|
eval $( grep -v hwid= $CONF | grep -A11 "$_line" | \
|
|
grep '\(url=\|file=\)' )
|
|
BOARD=$( echo $url | cut -f3 -d_ )
|
|
do_one_board $BOARD $url $file
|
|
done
|
|
|
|
rm "$CONF"
|
|
elif [ "$BOARD" != "" ]; then
|
|
CONF=$( mktemp )
|
|
get_inventory $CONF
|
|
|
|
echo Processing board $BOARD
|
|
eval $( grep $BOARD $CONF | grep '\(url=\|file=\)' )
|
|
do_one_board $BOARD $url $file
|
|
|
|
rm "$CONF"
|
|
else
|
|
echo "Usage: $0 <boardname>"
|
|
echo " $0 all"
|
|
echo
|
|
exit 1
|
|
fi
|