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

4 files changed, 4 insertions, 134 deletions

diff --git a/package/base-files/default/bin/firstboot b/package/base-files/default/bin/firstboot
deleted file mode 100755
index 28189780b..000000000
--- a/package/base-files/default/bin/firstboot
+++ /dev/null
@@ -1,90 +0,0 @@
-#!/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
-}
diff --git a/package/base-files/default/etc/init.d/S10boot b/package/base-files/default/etc/init.d/S10boot
index 42bb43886..e0d15db0e 100755
--- a/package/base-files/default/etc/init.d/S10boot
+++ b/package/base-files/default/etc/init.d/S10boot
@@ -1,6 +1,7 @@
 #!/bin/sh
 . /etc/functions.sh
 
+[ -f /proc/mounts ] || /sbin/mount_root
 [ -f /proc/jffs2_bbc ] && echo "S" > /proc/jffs2_bbc
 vconfig set_name_type VLAN_PLUS_VID_NO_PAD
 
diff --git a/package/base-files/default/etc/preinit b/package/base-files/default/etc/preinit
deleted file mode 100755
index 5b676ca3a..000000000
--- a/package/base-files/default/etc/preinit
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/sh
-export PATH=/bin:/sbin:/usr/bin:/usr/sbin
-mount none /proc -t proc
-
-[ -f /etc/preinit.arch ] && . /etc/preinit.arch
-[ -z "$FAILSAFE" ] || {
-	echo /bin/true > /proc/sys/kernel/hotplug
-	telnetd -l /bin/login <> /dev/null 2>&1
-}
-mount_root ${FAILSAFE:+failsafe}
-exec /sbin/init
diff --git a/package/base-files/default/sbin/mount_root b/package/base-files/default/sbin/mount_root
index 88a836c80..6c8805c08 100755
--- a/package/base-files/default/sbin/mount_root
+++ b/package/base-files/default/sbin/mount_root
@@ -1,38 +1,8 @@
 #!/bin/sh
-is_dirty() {
-	grep Broadcom /proc/cpuinfo >&- || return 1
-	OFFSET="$(($(hexdump -v /dev/mtdblock/1 -s 20 -n 2 -e '"%d"')-1))"
-	return $(hexdump -v /dev/mtdblock/1 -s $OFFSET -n 1 -e '"%d"')
-}
-
 size=$(awk '/Mem:/ {l=5242880;print((s=$2/2)<l)?$2-l:s}' /proc/meminfo)
-mount none /tmp -t tmpfs -o size=$size
-
-if [ "$1" != "failsafe" ]; then 
-	mtd unlock linux
-	mount | grep jffs2 >&-
-	if [ $? = 0 ] ; then
-		if [ $(cat /proc/mtd | wc -l) = 6 ]; then
-			mtd erase OpenWrt
-			jffs2root --move
-		else
-			mount -o remount,rw /dev/root /
-		fi
-	else
-		. /bin/firstboot
-		is_dirty 
-		[ $? != 0 ] && {
-			echo "switching to jffs2"
-			mount /dev/mtdblock/4 /jffs -t jffs2
-			pivot /jffs /rom
-		} || {
-			echo "jffs2 unusable; using ramdisk"
-			ramoverlay
-		}
-	fi
-fi
-
-mount none /tmp -t tmpfs -o remount,nosuid,nodev,mode=1777
+mount none /proc -t proc
+mount none /tmp -t tmpfs -o size=$size,nosuid,nodev,mode=1777
 mkdir -p /dev/pts
 mount none /dev/pts -t devpts
 mount -t sysfs none /sys 2>&-
+mount -o remount,rw /dev/root /