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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2006-06-15 17:21:17 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2006-06-15 17:21:17 +0000
commit7885524586983ec44edf08324cfc7c63574b5388 (patch)
treeecb67bcf7ba9edd4ea60e1459a2085e07291d289 /package/base-files/brcm-2.4/bin
parent68f4a7a320968009c0c97ab7d685b09064af7e05 (diff)
clean up handling of the root filesystem mount - remove broadcom specific junk from the generic base-files part
git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@3951 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/base-files/brcm-2.4/bin')
-rwxr-xr-xpackage/base-files/brcm-2.4/bin/firstboot90
1 files changed, 90 insertions, 0 deletions
diff --git a/package/base-files/brcm-2.4/bin/firstboot b/package/base-files/brcm-2.4/bin/firstboot
new file mode 100755
index 000000000..28189780b
--- /dev/null
+++ b/package/base-files/brcm-2.4/bin/firstboot
@@ -0,0 +1,90 @@
+#!/bin/sh
+# $Id$
+
+rom=$(awk '/squashfs/ {print $2}' /proc/mounts)
+jffs=$(awk '/jffs2/ {print $2}' /proc/mounts)
+
+dupe() { # <new_root> <old_root>
+ cd $1
+ echo -n "creating directories... "
+ {
+ cd $2
+ find . -xdev -type d
+ echo "./dev ./jffs ./mnt ./proc ./tmp ./sys"
+ # xdev skips mounted directories
+ cd $1
+ } | xargs mkdir -p
+ echo "done"
+
+ echo -n "setting up symlinks... "
+ for file in $(cd $2; find . -xdev -type f;); do
+ case "$file" in
+ ./rom/note) ;; #nothing
+ ./etc/config*|\
+ ./etc/resolv.conf|\
+ ./usr/lib/ipkg/info) cp -af $2/$file $file;;
+ *) ln -sf /rom/${file#./*} $file;;
+ esac
+ done
+ for file in $(cd $2; find . -xdev -type l;); do
+ cp -af $2/${file#./*} $file
+ done
+ echo "done"
+}
+
+pivot() { # <new_root> <old_root>
+ mount -o move /proc $1/proc && \
+ pivot_root $1 $1$2 && {
+ mount -o move $2/dev /dev
+ mount -o move $2/tmp /tmp
+ mount -o move $2/sys /sys
+ return 0
+ }
+}
+
+mountdp() { # <device> <mount_point> <ignored> <fs>
+ dev=$1; mnt=$2; shift 2; opt=$*
+ mount $dev $mnt $opt
+ dupe $mnt $rom
+ pivot $mnt /rom
+}
+
+ramoverlay() {
+ mkdir -p /tmp/root
+ mountdp /tmp/root /mnt -o bind
+}
+
+[ "${0##*/}" = "firstboot" ] && {
+ [ -z "$rom" ] && {
+ echo "You do not have a squashfs partition; aborting"
+ echo "(firstboot cannot be run on jffs2 based firmwares)"
+ exit 1
+ }
+
+ [ "$1" = "switch2jffs" ] && {
+ mtd erase OpenWrt
+ mount -o remount,ro none / # try to avoid fs changing while copying
+ mount -o bind / /mnt
+ mount /dev/mtdblock/4 /rom/jffs -t jffs2
+ echo -n "copying files ... "
+ cp -a /mnt/* /rom/jffs
+ umount /mnt
+ echo "done"
+ pivot /rom /mnt
+ mount -o move /mnt /tmp/root
+ pivot /jffs /rom
+ jffs2root --clean
+ exit 0
+ }
+
+ # script run manually
+ [ \! -z "$jffs" ] && {
+ echo "firstboot has already been run"
+ echo "jffs2 partition is mounted, only resetting files"
+ dupe $jffs $rom
+ exit 0
+ }
+
+ mtd erase OpenWrt
+ mountdp /dev/mtdblock/4 /jffs -t jffs2
+}