drivers/wifi: Remove unnecessary data structure copy
[coreboot2.git] / util / chromeos / crosfirmware.sh
blobee873290a561d11afe5536de00630ca50efb2841
1 #!/usr/bin/env bash
3 # SPDX-License-Identifier: GPL-2.0-only
5 # On some systems, `parted` and `debugfs` are located in /sbin.
6 export PATH="$PATH:/sbin"
8 exit_if_uninstalled() {
9 local cmd_name="$1"
10 local deb_pkg_name="$2"
12 if type "$cmd_name" >/dev/null 2>&1; then
13 return
16 printf '`%s` was not found. ' "$cmd_name" >&2
17 printf 'On Debian-based systems, it can be installed\n' >&2
18 printf 'by running `apt install %s`.\n' "$deb_pkg_name" >&2
20 exit 1
23 exit_if_dependencies_are_missing() {
24 exit_if_uninstalled "uudecode" "sharutils"
25 exit_if_uninstalled "debugfs" "e2fsprogs"
26 exit_if_uninstalled "parted" "parted"
27 exit_if_uninstalled "curl" "curl"
28 exit_if_uninstalled "unzip" "unzip"
31 get_inventory() {
32 _conf=$1
33 _url=https://dl.google.com/dl/edgedl/chromeos/recovery/recovery.conf
35 echo "Downloading recovery image inventory..."
37 curl -s "$_url" >$_conf
40 download_image() {
41 _url=$1
42 _file=$2
44 echo "Downloading recovery image"
45 curl "$_url" >"$_file.zip"
46 echo "Decompressing recovery image"
47 unzip -q "$_file.zip"
48 rm "$_file.zip"
51 extract_partition() {
52 NAME=$1
53 FILE=$2
54 ROOTFS=$3
55 _bs=1024
57 echo "Extracting ROOT-A partition"
58 ROOTP=$(printf "unit\nB\nprint\nquit\n" |
59 parted $FILE 2>/dev/null | grep $NAME)
61 if [ "$ROOTP" == "" ]; then
62 # Automatic extraction failed, likely due to parted detecting
63 # overlapping partitions. Fall back to using fdisk and assume
64 # ROOT-A is partition #3
65 echo "(Extracting via parted failed; falling back to fdisk)"
66 _ssize=$(printf "p q" | fdisk $FILE | grep "Sector size" |
67 cut -f2 -d: | cut -f2 -d ' ')
68 _start=$(printf "p q" | fdisk $FILE | grep "bin3" | tr -s ' ' |
69 cut -f2 -d ' ')
70 _nsec=$(printf "p q" | fdisk $FILE | grep "bin3" | tr -s ' ' |
71 cut -f4 -d ' ')
72 START=$(($_ssize * $_start))
73 SIZE=$(($_ssize * $_nsec))
74 else
75 START=$(($(echo $ROOTP | cut -f2 -d\ | tr -d "B")))
76 SIZE=$(($(echo $ROOTP | cut -f4 -d\ | tr -d "B")))
79 dd if=$FILE of=$ROOTFS bs=$_bs skip=$(($START / $_bs)) \
80 count=$(($SIZE / $_bs)) >/dev/null 2>&1
83 extract_shellball() {
84 ROOTFS=$1
85 SHELLBALL=$2
87 echo "Extracting chromeos-firmwareupdate"
88 printf "cd /usr/sbin\ndump chromeos-firmwareupdate $SHELLBALL\nquit" |
89 debugfs $ROOTFS >/dev/null 2>&1
92 extract_coreboot() {
93 _shellball=$1
94 _unpacked=$(mktemp -d)
96 echo "Extracting coreboot image"
97 if ! sh $_shellball --unpack $_unpacked >/dev/null 2>&1; then
98 sh $_shellball --sb_extract $_unpacked >/dev/null 2>&1
101 if [ -d $_unpacked/models/ ]; then
102 _version=$(cat $_unpacked/VERSION | grep -m 1 -e Model.*$_board -A5 |
103 grep "BIOS (RW) version:" | cut -f2 -d: | tr -d \ )
104 if [ "$_version" == "" ]; then
105 _version=$(cat $_unpacked/VERSION | grep -m 1 -e Model.*$_board -A5 |
106 grep "BIOS version:" | cut -f2 -d: | tr -d \ )
108 _bios_image=$(grep "IMAGE_MAIN" $_unpacked/models/$_board/setvars.sh |
109 cut -f2 -d\")
110 elif [ -f "$_unpacked/manifest.json" ]; then
111 _version=$(grep -m1 -A1 "$BOARD" "$_unpacked/manifest.json" | grep "host" | cut -f12 -d'"')
112 _bios_image=$(grep -m1 -A3 "$BOARD" "$_unpacked/manifest.json" | grep "image" | cut -f4 -d'"')
113 else
114 _version=$(cat $_unpacked/VERSION | grep BIOS\ version: |
115 cut -f2 -d: | tr -d \ )
116 _bios_image=bios.bin
118 if cp $_unpacked/$_bios_image coreboot-$_version.bin; then
119 echo "Extracted coreboot-$_version.bin"
121 rm -rf "$_unpacked"
122 rm $_shellball
125 do_one_board() {
126 _board=$1
127 _url=$2
128 _file=$3
130 download_image $_url $_file
132 extract_partition ROOT-A $_file root-a.ext2
133 extract_shellball root-a.ext2 chromeos-firmwareupdate-$_board
134 rm $_file root-a.ext2
136 extract_coreboot chromeos-firmwareupdate-$_board
140 # Main
143 BOARD=${1,,}
145 exit_if_dependencies_are_missing
147 if [ "$BOARD" == "all" ]; then
148 CONF=$(mktemp)
149 get_inventory $CONF
151 grep ^name= $CONF | while read _line; do
152 name=$(echo $_line | cut -f2 -d=)
153 echo Processing board $name
154 eval $(grep -v hwid= $CONF | grep -A11 "$_line" |
155 grep '\(url=\|file=\)')
156 BOARD=$(echo $url | cut -f3 -d_)
157 do_one_board $BOARD $url $file
158 done
160 rm "$CONF"
161 elif [ "$BOARD" != "" ]; then
162 CONF=$(mktemp)
163 get_inventory $CONF
165 echo Processing board $BOARD
166 eval $(grep -i $BOARD -A8 $CONF | grep '\(url=\|file=\)')
167 do_one_board $BOARD $url $file
169 rm "$CONF"
170 else
171 echo "Usage: $0 <boardname>"
172 echo " $0 all"
173 echo
174 exit 1