unified preinit environment

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7173 3c298f89-4303-0410-b956-a3cf2f4a3e73

4 files changed, 7 insertions, 188 deletions

diff --git a/target/linux/brcm-2.4/base-files/default/bin/firstboot b/target/linux/brcm-2.4/base-files/default/bin/firstboot
deleted file mode 100755
index 5d374371c..000000000
--- a/target/linux/brcm-2.4/base-files/default/bin/firstboot
+++ /dev/null
@@ -1,128 +0,0 @@
-#!/bin/sh
-# $Id$
-. /etc/functions.sh
-
-partname="rootfs_data"
-mtdpart="$(find_mtd_part $partname)"
-
-rom=$(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"
-		# 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*|\
-		./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/jffs /jffs 2>&-
-		return 0
-	}
-}
-
-fopivot() { # <rw_root> <ro_root> <dupe?>
-	root=$1
-	{
-		mount -t mini_fo -o base=/,sto=$1 $1 /mnt 2>&- && root=/mnt
-	} || {
-		[ "$3" = "1" ] && {
-		mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1
-		dupe $1 $rom
-		}
-	}
-	pivot $root $2
-}
-
-ramoverlay() {
-	mkdir -p /tmp/root
-	fopivot /tmp/root /rom 1
-}
-
-# invoked as an executable
-[ "${0##*/}" = "firstboot" ] && {
-
-	[ -z "$mtdpart" ] && {
-		echo "MTD partition not found."
-		exit 1
-	}
-
-	[ -z "$rom" ] && {
-		echo "You do not have a squashfs partition; aborting"
-		echo "(firstboot cannot be run on jffs2 based firmwares)"
-		exit 1
-	}
-
-	[ "$1" = "switch2jffs" ] && {
-		mtd erase "$partname"
-
-		# try to avoid fs changing while copying
-		mount -o remount,ro none / 2>&-
-
-		# copy ramoverlay to jffs2
-		mount "$mtdpart" /rom/jffs -t jffs2
-		echo -n "copying files ... "
-		cp -a /tmp/root/* /rom/jffs 2>&-
-		echo "done"
-
-		# switch back to squashfs (temporarily)
-		# and park the ramdisk ontop of /tmp/root
-		pivot /rom /mnt
-		mount -o move /mnt /tmp/root
-
-		# /jffs is the overlay
-		# /rom is the readonly
-		fopivot /jffs /rom
-
-		# try to get rid of /tmp/root
-		# this will almost always fail
-		umount /tmp/root 2>&-
-
-		# fs is clean
-		jffs2root --clean
-		exit 0
-	}
-
-	# script run manually
-	[ \! -z "$jffs" ] && {
-		echo "firstboot has already been run"
-		echo "jffs2 partition is mounted, only resetting files"
-		grep mini_fo /proc/filesystems >&-
-		[ $? != 0 ] && {
-			dupe $jffs $rom
-			exit 0
-		} || { 
-			rm -rf $jffs/* 2>&-
-			mount -o remount $jffs / 2>&-
-			exit 0
-		}
-	}
-
-	mtd erase "$partname"
-	mount "$mtdpart" /jffs -t jffs2
-	fopivot /jffs /rom 1
-}
diff --git a/target/linux/brcm-2.4/base-files/default/etc/init.d/done b/target/linux/brcm-2.4/base-files/default/etc/init.d/done
deleted file mode 100755
index 0640b6193..000000000
--- a/target/linux/brcm-2.4/base-files/default/etc/init.d/done
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/bin/sh /etc/rc.common
-# Copyright (C) 2006 OpenWrt.org
-
-START=95
-boot() {
-	[ -d /tmp/root ] && {
-		lock /tmp/.switch2jffs
-		firstboot switch2jffs
-		lock -u /tmp/.switch2jffs
-	}
-
-	# set leds to normal state
-	. /etc/diag.sh
-	set_state done
-}
diff --git a/target/linux/brcm-2.4/base-files/default/etc/preinit b/target/linux/brcm-2.4/base-files/default/etc/preinit.arch
index 7a61c9412..d3a0bfc49 100755
--- a/target/linux/brcm-2.4/base-files/default/etc/preinit
+++ b/target/linux/brcm-2.4/base-files/default/etc/preinit.arch
@@ -1,11 +1,12 @@
-#!/bin/sh
-# Copyright (C) 2006 OpenWrt.org
-
 . /etc/functions.sh
-. /etc/diag.sh
+
+failsafe_ip() {
+	ifconfig $ifname 192.168.1.1 netmask 255.255.255.0 broadcast 192.168.1.255 up
+}
 
 failsafe() {
 	lock /tmp/.failsafe
+	failsafe_ip
 
 	echo "0 1 2 3 4 5u*" > /proc/switch/eth0/vlan/0/ports
 	
@@ -23,10 +24,8 @@ failsafe() {
 	ash --login
 }
 
-export PATH=/bin:/sbin:/usr/bin:/usr/sbin
 mount none /proc -t proc
-size=$(awk '/Mem:/ {l=5242880;print((s=$2/2)<l)?$2-l:s}' /proc/meminfo)
-mount none /tmp -t tmpfs -o size=$size
+
 if grep devfs /proc/filesystems > /dev/null; then
 	mount none /dev -t devfs
 	M0=/dev/pty/m0
@@ -66,7 +65,7 @@ case "$(cat /proc/diag/model)" in
 	"ASUS (unknown, BCM4702)") ifname=eth1;;
 esac
 
-ifconfig $ifname 192.168.1.1 netmask 255.255.255.0 broadcast 192.168.1.255 up
+failsafe_ip
 
 insmod switch-core
 insmod switch-robo || insmod switch-adm || rmmod switch-core
@@ -83,14 +82,6 @@ insmod switch-robo || insmod switch-adm || rmmod switch-core
 } || netmsg 192.168.1.255 "Press reset now, to enter Failsafe!"
 
 sleep 2
-
-eval ${FAILSAFE:+failsafe}
-
-lock -w /tmp/.failsafe
-set_state preinit
 echo "$HOTPLUG" > /proc/sys/kernel/hotplug
 
 ifconfig $ifname 0.0.0.0 down
-
-mount_root
-exec /sbin/init
diff --git a/target/linux/brcm-2.4/base-files/default/sbin/mount_root b/target/linux/brcm-2.4/base-files/default/sbin/mount_root
deleted file mode 100755
index a9dd2764d..000000000
--- a/target/linux/brcm-2.4/base-files/default/sbin/mount_root
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/bin/sh
-# Copyright (C) 2006 OpenWrt.org
-. /etc/functions.sh
-
-is_dirty() {
-	mtdpart="$(find_mtd_part linux)"
-	grep Broadcom /proc/cpuinfo >&- || return 1
-	OFFSET="$(($(hexdump -v $mtdpart -s 20 -n 2 -e '"%d"')-1))"
-	return $(hexdump -v $mtdpart -s $OFFSET -n 1 -e '"%d"')
-}
-
-if [ "$1" != "failsafe" ]; then 
-	mtd unlock linux
-	mount | grep jffs2 >&-
-	if [ $? = 0 ] ; then
-		mount -o remount,rw /dev/root /
-	else
-		. /bin/firstboot
-		is_dirty 
-		[ $? != 0 ] && {
-			echo "switching to jffs2"
-			mount $(find_mtd_part rootfs_data) /jffs -t jffs2
-			fopivot /jffs /rom
-		} || {
-			echo "jffs2 not ready yet; using ramdisk"
-			ramoverlay
-		}
-	fi
-fi