5 ldd() { LD_TRACE_LOADED_OBJECTS=1 $*; }
6 libs() { ldd $* | awk '{print $3}'; }
8 install_file() { # <file> [ <file> ... ]
10 dest="$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
33 pivot() { # <new_root> <old_root>
34 mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1
35 mkdir -p $1$2 $1/proc $1/dev $1/tmp $1/jffs && \
36 mount -o move /proc $1/proc && \
37 pivot_root $1 $1$2 || {
41 mount -o move $2/dev /dev
42 mount -o move $2/tmp /tmp
43 mount -o move $2/jffs /jffs 2>&-
47 run_ramfs() { # <command> [...]
48 install_bin /bin/busybox /bin/ash /bin/sh /bin/mount /bin/umount /sbin/pivot_root /usr/bin/wget /sbin/reboot /bin/sync /bin/dd /bin/grep /bin/cp /bin/mv /bin/tar /usr/bin/md5sum "/usr/bin/[" /bin/vi /bin/ls /bin/cat /usr/bin/awk /usr/bin/hexdump /bin/sleep /bin/zcat
50 for file in $RAMFS_COPY_BIN; do
53 install_file /etc/resolv.conf /etc/functions.sh /lib/upgrade/*.sh $RAMFS_COPY_DATA
55 pivot $RAM_ROOT /mnt || {
56 echo "Failed to switch over to ramfs. Please reboot."
60 mount -o remount,ro /mnt
63 grep /jffs /proc/mounts > /dev/null && {
64 mount -o remount,ro /jffs
68 # spawn a new shell from ramdisk to reduce the probability of cache issues
69 exec /bin/busybox ash -c "$*"
80 local default="$1"; shift;
81 local answer="$default"
83 [ "$INTERACTIVE" -eq 1 ] && {
85 0) echo -n "$* (y/N): ";;
86 *) echo -n "$* (Y/n): ";;
92 *) answer="$default";;
99 [ "$VERBOSE" -ge 1 ] && echo "$@"
103 mount | awk '($3 ~ /^\/$/) && ($5 !~ /rootfs/) { print $5 }'
110 [ $GZIPED -eq 1 ] && conc="zcat"
113 http://*|ftp://*) wget -O- -q "$from" | "$conc";;
114 *) cat "$from" | "$conc";;
119 get_image "$1" | dd bs=2 count=1 2>/dev/null | hexdump -C | awk '$2 { print $2 $3 }'
122 refresh_mtd_partitions() {
126 jffs2_copy_config() {
127 if grep rootfs_data /proc/mtd >/dev/null; then
129 mtd -e rootfs_data jffs2write "$CONF_TAR" rootfs_data
132 mtd jffs2write "$CONF_TAR" rootfs
136 default_do_upgrade() {
137 if [ "$SAVE_CONFIG" -eq 1 -a -z "$USE_REFRESH" ]; then
138 get_image "$1" | mtd -j "$CONF_TAR" write - "${PART_NAME:-image}"
140 get_image "$1" | mtd write - "${PART_NAME:-image}"
146 v "Performing system upgrade..."
147 if type 'platform_do_upgrade' >/dev/null 2>/dev/null; then
148 platform_do_upgrade "$ARGV"
150 default_do_upgrade "$ARGV"
153 [ "$SAVE_CONFIG" -eq 1 -a -n "$USE_REFRESH" ] && {
154 v "Refreshing partitions"
155 if type 'platform_refresh_partitions' >/dev/null 2>/dev/null; then
156 platform_refresh_partitions
158 refresh_mtd_partitions
160 if type 'platform_copy_config' >/dev/null 2>/dev/null; then
166 v "Upgrade completed"
167 [ -n "$DELAY" ] && sleep "$DELAY"
168 ask_bool 1 "Reboot" && reboot