5 [ -x /usr
/bin
/ldd
] || ldd
() { LD_TRACE_LOADED_OBJECTS
=1 $
*; }
6 libs
() { ldd $
* 2>/dev
/null |
sed -r 's/(.* => )?(.*) .*/\2/'; }
8 install_file
() { # <file> [ <file> ... ]
10 dest
="$RAM_ROOT/$file"
11 [ -f $file -a ! -f $dest ] && {
12 dir
="$(dirname $dest)"
19 install_bin
() { # <file> [ <symlink> ... ]
22 [ -x "$src" ] && files
="$src $(libs $src)"
25 for link
in "$@"; do {
26 dest
="$RAM_ROOT/$link"
27 dir
="$(dirname $dest)"
29 [ -f "$dest" ] ||
ln -s $src $dest
41 local default
="$1"; shift;
42 local answer
="$default"
44 [ "$INTERACTIVE" -eq 1 ] && {
46 0) echo -n "$* (y/N): ";;
47 *) echo -n "$* (Y/n): ";;
53 *) answer
="$default";;
60 [ "$VERBOSE" -ge 1 ] && echo "$@"
71 /bin
/mount |
awk '($3 ~ /^\/$/) && ($5 !~ /rootfs/) { print $5 }'
74 get_image
() { # <source> [ <command> ]
78 if [ -z "$cat" ]; then
79 local magic
="$(dd if="$from" bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x
"')"
87 $cat "$from" 2>/dev
/null
91 (get_image
"$@" |
dd bs
=2 count
=1 |
hexdump -v -n 2 -e '1/1 "%02x"') 2>/dev
/null
95 (get_image
"$@" |
dd bs
=4 count
=1 |
hexdump -v -n 4 -e '1/1 "%02x"') 2>/dev
/null
99 local cmdline uuid disk uevent
100 local MAJOR MINOR DEVNAME DEVTYPE
102 if read cmdline
< /proc
/cmdline
; then
105 disk
="${cmdline##*block2mtd=}"
109 disk
="${cmdline##*root=}"
115 PARTUUID
=[a-f0-9
][a-f0-9
][a-f0-9
][a-f0-9
][a-f0-9
][a-f0-9
][a-f0-9
][a-f0-9
]-02)
116 uuid
="${disk#PARTUUID=}"
118 for disk
in $
(find /dev
-type b
); do
119 set -- $
(dd if=$disk bs
=1 skip
=440 count
=4 2>/dev
/null |
hexdump -v -e '4/1 "%02x "')
120 if [ "$4$3$2$1" = "$uuid" ]; then
121 uevent
="/sys/class/block/${disk##*/}/uevent"
127 uevent
="/sys/class/block/${disk##*/}/uevent"
131 if [ -e "$uevent" ]; then
134 export BOOTDEV_MAJOR
=$MAJOR
135 export BOOTDEV_MINOR
=$MINOR
143 export_partdevice
() {
144 local var
="$1" offset
="$2"
145 local uevent MAJOR MINOR DEVNAME DEVTYPE
147 for uevent
in /sys
/class
/block
/*/uevent
; do
149 if [ $BOOTDEV_MAJOR = $MAJOR -a $
(($BOOTDEV_MINOR + $offset)) = $MINOR -a -b "/dev/$DEVNAME" ]; then
150 export "$var=$DEVNAME"
158 get_partitions
() { # <device> <filename>
162 if [ -b "$disk" -o -f "$disk" ]; then
163 v
"Reading partition table from $filename..."
165 local magic
="$(hexdump -v -n 2 -s 0x1FE -e '1/2 "0x
%04X
"' "$disk")"
166 if [ "$magic" != 0xAA55 ]; then
167 v
"Invalid partition table on $disk"
171 rm -f "/tmp/partmap.$filename"
174 for part
in 1 2 3 4; do
175 set -- $
(hexdump -v -n 12 -s "$((0x1B2 + $part * 16))" -e '3/4 "0x%08X "' "$disk")
177 local type="$(($1 % 256))"
181 [ $type -gt 0 ] ||
continue
183 printf "%2d %5d %7d\n" $part $lba $num >> "/tmp/partmap.$filename"
188 jffs2_copy_config
() {
189 if grep rootfs_data
/proc
/mtd
>/dev
/null
; then
191 mtd
-e rootfs_data jffs2write
"$CONF_TAR" rootfs_data
194 mtd jffs2write
"$CONF_TAR" rootfs
198 # Flash firmware to MTD partition
200 # $(1): path to image
201 # $(2): (optional) pipe command to extract firmware, e.g. dd bs=n skip=m
202 default_do_upgrade
() {
204 if [ "$SAVE_CONFIG" -eq 1 ]; then
205 get_image
"$1" "$2" | mtd
$MTD_CONFIG_ARGS -j "$CONF_TAR" write - "${PART_NAME:-image}"
207 get_image
"$1" "$2" | mtd
write - "${PART_NAME:-image}"
211 do_upgrade_stage2
() {
212 v
"Performing system upgrade..."
213 if [ -n "$do_upgrade" ]; then
215 elif type 'platform_do_upgrade' >/dev
/null
2>/dev
/null
; then
216 platform_do_upgrade
"$IMAGE"
218 default_do_upgrade
"$IMAGE"
221 if [ "$SAVE_CONFIG" -eq 1 ] && type 'platform_copy_config' >/dev
/null
2>/dev
/null
; then
225 v
"Upgrade completed"
228 v
"Rebooting system..."
232 echo b
2>/dev
/null
>/proc
/sysrq-trigger