coreboot-kgpe-d16/util/chromeos/crosfirmware.sh
Tristan Corrick f50bd6d82d util/chromeos/crosfirmware.sh: Print more messages
The existing code has several messages that are only printed when the
DEBUG variable is set. These messages are not verbose, and are quite
useful to see how the script is progressing. So, print them
unconditionally.

Change-Id: I8f78e4563f0b4a42f831194a6e526284c2fbcd92
Signed-off-by: Tristan Corrick <tristan@corrick.kiwi>
Reviewed-on: https://review.coreboot.org/c/30550
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2019-01-03 16:53:57 +00:00

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#!/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.
#
# On some systems, `parted` and `debugfs` are located in /sbin.
export PATH="$PATH:/sbin"
exit_if_uninstalled() {
local cmd_name="$1"
local deb_pkg_name="$2"
if type "$cmd_name" >/dev/null 2>&1; then
return
fi
printf '`%s` was not found. ' "$cmd_name" >&2
printf 'On Debian-based systems, it can be installed\n' >&2
printf 'by running `apt install %s`.\n' "$deb_pkg_name" >&2
exit 1
}
exit_if_dependencies_are_missing() {
exit_if_uninstalled "uudecode" "sharutils"
exit_if_uninstalled "debugfs" "e2fsprogs"
exit_if_uninstalled "parted" "parted"
exit_if_uninstalled "curl" "curl"
}
get_inventory()
{
_conf=$1
_url=https://dl.google.com/dl/edgedl/chromeos/recovery/recovery.conf
echo "Downloading recovery image inventory..."
curl -s "$_url" > $_conf
}
download_image()
{
_url=$1
_file=$2
echo "Downloading recovery image"
curl "$_url" > "$_file.zip"
echo "Decompressing recovery image"
unzip -q "$_file.zip"
rm "$_file.zip"
}
extract_partition()
{
NAME=$1
FILE=$2
ROOTFS=$3
_bs=1024
echo "Extracting ROOT-A partition"
ROOTP=$( 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
echo "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 )
echo "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=$1
exit_if_dependencies_are_missing
if [ "$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