add preinit modularization work by Daniel Dickinson (cshore)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19331 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/base-files/files/lib/firstboot/05_firstboot_skip

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+check_skip() {
+    if [ "$firsboot_skip_next" = "true" ]; then
+	return 0
+    else 
+	return 1
+    fi
+}
+

package/base-files/files/lib/firstboot/10_determine_parts

@@ -0,0 +1,46 @@
+#!/bin/sh
+
+set_mtd_part() {
+    partname="rootfs_data"
+    mtdpart="$(find_mtd_part $partname)"
+}
+
+set_rom_part() {
+    rom=$(awk '/squashfs/ {print $2}' /proc/mounts)
+}
+
+set_jffs_part() {
+    jffs=$(awk '/jffs2/ {print $2}' /proc/mounts)
+}
+
+determine_mtd_part() {
+    set_mtd_part
+    if [ -z "$mtdpart" ]; then
+	echo "MTD partition not found."
+	exit 1
+    fi
+}
+
+determine_rom_part() {
+    check_skip || {
+	set_rom_part
+	if [ -z "$rom" ]; then
+	    echo "You do not have a squashfs partition; aborting"
+	    echo "(firstboot cannot be run on jffs2 based firmwares)"
+	    exit 1
+	fi
+    }
+}
+
+determine_jffs2_part() {
+    check_skip || {
+	set_jffs_part
+    }
+}
+
+boot_hook_add switch2jffs determine_mtd_part
+boot_hook_add jffs2reset determine_mtd_part
+boot_hook_add switch2jffs determine_rom_part
+boot_hook_add jffs2reset determine_rom_part
+boot_hook_add switch2jffs determine_jffs2_part
+boot_hook_add jffs2reset determine_jffs2_part

package/base-files/files/lib/firstboot/10_no_fo_clear_overlay

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+no_fo_clear_overlay() {
+    # switch back to squashfs temporarily
+    pivot /rom /mnt
+
+    # get rid of the old overlay
+    umount -l /mnt
+
+    # another umount to get rid of the bind from /tmp/root
+    umount -l /mnt
+}
+
+boot_hook_add no_fo no_fo_clear_overlay

package/base-files/files/lib/firstboot/10_reset_has_mini_fo

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+reset_check_for_mini_fo() {
+    if grep -q mini_fo /proc/filesystems; then
+	reset_has_fo=true
+    fi
+}
+
+boot_hook_add jffs2reset reset_check_for_mini_fo

package/base-files/files/lib/firstboot/20_has_mini_fo

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+check_for_mini_fo() {
+    if ! grep -q mini_fo /proc/filesystems; then
+	boot_run_hook no_fo
+	exit 1
+    fi
+}
+
+boot_hook_add switch2jffs check_for_mini_fo

package/base-files/files/lib/firstboot/20_no_fo_mount_jffs

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+no_fo_mount_jffs() {
+    # initialize jffs2
+    mount "$mtdpart" /jffs -t jffs2 || exit
+    
+    # workaround to ensure that union can attach properly
+    sync
+    ls /jffs >/dev/null
+}
+
+boot_hook_add no_fo no_fo_mount_jffs

package/base-files/files/lib/firstboot/20_reset_clear_jffs

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+reset_clear_jffs() {
+    [ "$reset_has_fo" = "true" ] && {
+	rm -rf $jffs/* 2>&-
+	mount -o remount $jffs / 2>&-
+	exit 0
+    } || reset_has_fo=false
+}
+
+boot_hook_add jffs2reset reset_clear_jffs

package/base-files/files/lib/firstboot/30_is_rootfs_mounted

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+skip_if_rootfs_mounted() {
+    mount "$mtdpart" /rom/jffs -t jffs2 || exit
+}
+
+boot_hook_add switch2jffs skip_if_rootfs_mounted

package/base-files/files/lib/firstboot/30_no_fo_pivot

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+no_fo_pivot() {
+    # switch to the new (empty) jffs2
+    fopivot /jffs /rom 1
+}
+
+boot_hook_add no_fo no_fo_pivot

package/base-files/files/lib/firstboot/30_reset_copy_rom

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+reset_copy_rom() {
+    [ "$reset_has_fo" != "true" ] && {
+	dupe $jffs $rom
+	exit 0
+    } 
+}
+
+boot_hook_add jffs2reset reset_copy_rom

package/base-files/files/lib/firstboot/40_copy_ramoverlay

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+copy_ramoverlay() {
+    # try to avoid fs changing while copying
+    mount -o remount,ro none / 2>&-
+    # copy ramoverlay to jffs2
+    echo -n "copying files ... "
+    cp -a /tmp/root/* /rom/jffs 2>&-
+    echo "done"
+}
+
+boot_hook_add switch2jffs copy_ramoverlay

package/base-files/files/lib/firstboot/40_no_fo_copy_ramoverlay

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+no_fo_copy_ramoverlay() {
+    # copy ramoverlay to jffs2, must be done after switching
+    # to the new rootfs to avoid creating opaque directories
+    echo -n "copying files ... "
+    cp -a /tmp/root/* / >/dev/null 2>&1
+    sync
+}
+
+boot_hook_add no_fo no_fo_ramoverlay

package/base-files/files/lib/firstboot/50_pivot

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+with_fo_pivot() {
+    # 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
+}
+
+boot_hook_add switch2jffs with_fo_pivot

package/base-files/files/lib/firstboot/99_10_no_fo_cleanup

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+no_fo_cleanup() {
+    echo "done"
+    umount -l /jffs
+    umount -l /tmp/root
+    exit 0
+}
+
+boot_hook_add no_fo no_fo_cleanup

package/base-files/files/lib/firstboot/99_10_with_fo_cleanup

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+with_fo_cleanup() {
+    # try to get rid of /tmp/root
+    # this will almost always fail
+    mount /tmp/root 2>&-
+    exit 0
+}
+
+boot_hook_add switch2jffs with_fo_cleanup

package/base-files/files/lib/functions/boot.sh

@@ -0,0 +1,95 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+boot_hook_add() {
+    	local hook="${1}_hook"
+	local value="$2"
+	local sep=" "
+	
+	eval "$hook=\"\${$hook:+\${$hook}\${value:+\$sep}}\$value\""
+}
+
+boot_run_hook() {
+    local boot_func
+    for boot_func in $(eval "echo \"\$${1}_hook\""); do
+	$boot_func "$1" "$2"
+    done
+}
+
+find_mtd_part() {
+	local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
+	local PREFIX=/dev/mtdblock
+	
+	PART="${PART##mtd}"
+	[ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
+	echo "${PART:+$PREFIX$PART}"
+}
+
+jffs2_ready () {
+    mtdpart="$(find_mtd_part rootfs_data)"
+    magic=$(hexdump $mtdpart -n 4 -e '4/1 "%02x"')
+    [ "$magic" != "deadc0de" ]
+}
+
+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/opkg/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 2>&-
+		mount -o move $2/jffs /jffs 2>&-
+		return 0
+	}
+}
+
+fopivot() { # <rw_root> <ro_root> <dupe?>
+	root=$1
+	{
+		if grep -q mini_fo /proc/filesystems; then
+			mount -t mini_fo -o base=/,sto=$1 "mini_fo:$1" /mnt 2>&- && root=/mnt
+		else
+			mount --bind / /mnt
+			mount --bind -o union "$1" /mnt && root=/mnt 
+		fi
+	} || {
+		[ "$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
+	mount -t tmpfs root /tmp/root
+	fopivot /tmp/root /rom 1
+}

package/base-files/files/lib/preinit/05_mount_skip

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+check_skip() {
+    if [ "$pi_mount_skip_next" = "true" ]; then
+	return 0
+    else 
+	return 1
+    fi
+}
+

package/base-files/files/lib/preinit/10_check_for_mtd

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+mount_no_mtd() {
+    mtd unlock rootfs
+    mount -o remount,rw /dev/root /
+}
+
+check_for_mtd() {
+    check_skip || {
+	grep rootfs_data /proc/mtd >/dev/null 2>/dev/null || {
+	    mount_no_mtd && pi_mount_skip_next=true
+	}
+    }
+}
+
+boot_hook_add preinit_mount_root check_for_mtd
+

package/base-files/files/lib/preinit/10_essential_fs

@@ -0,0 +1,25 @@
+#!/bin/sh 
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+do_mount_procfs() {
+   mount proc /proc -t proc
+}
+
+do_mount_sysfs() {
+    mount sysfs /sys -t sysfs
+}
+
+calc_tmpfs_size() {
+    pi_size=$(awk '/MemTotal:/ {l=5242880;mt=($2*1024);print((s=mt/2)<l)&&(mt>l)?mt-l:s}' /proc/meminfo)
+}
+
+do_mount_tmpfs() {
+    calc_tmpfs_size
+    mount tmpfs /tmp -t tmpfs -o size=$pi_size,nosuid,nodev,mode=1777
+}
+
+boot_hook_add preinit_essential do_mount_procfs
+boot_hook_add preinit_essential do_mount_sysfs
+boot_hook_add preinit_essential do_mount_tmpfs
+

package/base-files/files/lib/preinit/10_indicate_failsafe

@@ -0,0 +1,18 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+# commands for emitting messages to network in failsafe mode
+
+indicate_failsafe_led () {
+    set_state failsafe
+}
+
+indicate_failsafe() {
+    echo "- failsafe -"
+    preinit_net_echo "Entering Failsafe!\n"
+    indicate_failsafe_led
+}
+
+boot_hook_add failsafe indicate_failsafe
+

package/base-files/files/lib/preinit/10_indicate_preinit

@@ -0,0 +1,52 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+preinit_ip() {
+    # if the preinit interface isn't specified and ifname is set in 
+    # preinit.arch use that interface
+    if [ -z "$pi_ifname" ]; then
+	pi_ifname=$ifname    
+    fi
+
+    [ -n "$pi_ifname" ] && grep "$pi_ifname" /proc/net/dev >/dev/null && {
+	ifconfig $pi_ifname $pi_ip netmask $pi_netmask broadcast $pi_broadcast up
+    }
+}
+
+preinit_ip_deconfig() {
+    [ -n "$pi_ifname" ] && grep "$pi_ifname" /proc/net/dev >/dev/null && {
+	ifconfig $pi_ifname 0.0.0.0 down
+    }
+}
+
+preinit_net_echo() {
+	[ -n "$pi_ifname" ] && grep "$pi_ifname" /proc/net/dev >/dev/null && {
+		{ 
+			[ "$pi_preinit_net_messages" = "y" ] || {
+    		     		[ "$pi_failsafe_net_message"  = "true" ] && 
+    		         	    [ "$pi_preinit_no_failsafe_netmsg" != "y" ] 
+    		         }
+	    			
+		} && netmsg $pi_broadcast "$1"
+    	}
+}
+
+preinit_echo() {
+    preinit_net_echo $1
+    echo $1
+}
+
+pi_indicate_led() {
+    set_state preinit
+}
+
+pi_indicate_preinit() {
+    echo "- preinit -"
+    preinit_net_echo "Doing OpenWRT Preinit\n"
+    pi_indicate_led
+}
+
+boot_hook_add preinit_main preinit_ip
+boot_hook_add preinit_main pi_indicate_preinit
+

package/base-files/files/lib/preinit/20_check_jffs2_ready

@@ -0,0 +1,19 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+mount_no_jffs2() {
+    echo "jffs2 not ready yet; using ramdisk"
+    ramoverlay
+}
+
+check_for_jffs2() {
+    check_skip || {
+	jffs2_ready || {
+	    mount_no_jffs2 && pi_mount_skip_next=true
+	}
+    }
+}
+
+boot_hook_add preinit_mount_root check_for_jffs2
+

package/base-files/files/lib/preinit/20_device_fs_mount

@@ -0,0 +1,28 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+do_mount_devfs() {
+    mount devfs /dev -t devfs
+}
+
+do_mount_hotplug() {
+    mount -t tmpfs tmpfs /dev -o size=512K
+}
+
+do_mount_udev() {
+    mount -n -t tmpfs -o mode=0755 udev /dev
+}
+
+choose_device_fs() {
+    if grep devfs /proc/filesystems > /dev/null; then
+        do_mount_devfs
+    elif [ -x /sbin/hotplug2 ]; then
+        do_mount_hotplug
+    elif [ -x /sbin/udevd ]; then
+        do_mount_udev
+    fi
+}
+
+boot_hook_add preinit_essential choose_device_fs
+

package/base-files/files/lib/preinit/30_device_fs_daemons

@@ -0,0 +1,36 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+init_devfs() {
+    HOTPLUG=/sbin/hotplug-call
+}
+
+init_hotplug2() {
+    [ -c /dev/console ] || mknod /dev/console c 5 1
+    /sbin/hotplug2 --set-worker /lib/hotplug2/worker_fork.so --set-rules-file /etc/hotplug2-init.rules --no-persistent --set-coldplug-cmd /sbin/udevtrigger
+    /sbin/hotplug2 --set-worker /lib/hotplug2/worker_fork.so --set-rules-file /etc/hotplug2-init.rules --persistent &
+}
+
+init_udev() {
+    [ -d /lib/udev/devices ] && cp -af /lib/udev/devices/* /dev/
+    [ -c /dev/console ] || mknod -m 0600 /dev/console c 5 1
+    [ -c /dev/null ] || mknod -m 0666 /dev/null c 1 3
+    /sbin/udevd --daemon --resolve-names=never
+    /sbin/udevadm trigger
+    /sbin/udevadm settle    
+}
+
+init_device_fs() {
+    HOTPLUG=
+    if grep devfs /proc/filesystems > /dev/null; then
+	init_devfs
+    elif [ -x /sbin/hotplug2 ]; then
+	init_hotplug2
+    elif [ -x /sbin/udevd ]; then
+	init_udev
+    fi
+}
+
+boot_hook_add preinit_essential init_device_fs
+

package/base-files/files/lib/preinit/30_failsafe_wait

@@ -0,0 +1,86 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+fs_wait_for_key () {
+    local timeout=$3
+    local timer
+    local do_failsafe
+    local keypress_true="$(mktemp)"
+    local keypress_wait="$(mktemp)"
+    local keypress_sec="$(mktemp)"
+    if [ -z "$keypress_wait" ]; then
+	keypress_wait=/tmp/.keypress_wait
+	touch $keypress_wait
+    fi
+    if [ -z "$keypress_true" ]; then
+	keypress_true=/tmp/.keypress_true
+	touch $keypress_true
+    fi
+    if [ -z "$keypress_sec" ]; then
+	keypress_sec=/tmp/.keypress_sec
+	touch $keypress_sec
+    fi
+
+    trap "echo 'true' >$keypress_true; lock -u $keypress_wait ; rm -f $keypress_wait" INT
+    trap "echo 'true' >$keypress_true; lock -u $keypress_wait ; rm -f $keypress_wait" USR1
+
+    [ -n "$timeout" ] || timeout=1
+    [ $timeout -ge 1 ] || timeout=1
+    timer=$timeout
+    lock $keypress_wait
+    {
+	while [ $timer -gt 0 ]; do
+            echo "$timer" >$keypress_sec
+	    timer=$(($timer - 1))
+	    sleep 1
+	done
+	lock -u $keypress_wait
+	rm -f $keypress_wait
+    } &
+
+    echo "Press $1<ENTER> $2"
+    # if we're on the console we wait for input
+    { 
+	while [ -r $keypress_wait ]; do
+	    timer="$(cat $keypress_sec)"
+
+	    [ -n "$timer" ] || timer=1
+	    timer="${timer%%\ *}"
+	    [ $timer -ge 1 ] || timer=1
+	    do_failsafe=""
+	    {
+		read -t "$timer" do_failsafe
+		if [ "$do_failsafe" = "$1" ]; then
+		    echo "true" >$keypress_true
+		    lock -u $keypress_wait
+		    rm -f $keypress_wait
+ 		fi
+	    }
+	done
+    }
+    lock -w $keypress_wait
+
+    trap - INT
+    trap - USR1
+
+    keypressed=1
+    [ "$(cat $keypress_true)" = "true" ] && keypressed=0
+    rm -f $keypress_true
+    rm -f $keypress_wait
+    rm -f $keypress_sec
+    
+    return $keypressed
+}
+
+failsafe_wait() {
+    FAILSAFE=
+    pi_failsafe_net_message=true
+    preinit_net_echo "Please press button now to enter failsafe"
+    pi_failsafe_net_message=false
+    echo -n "Press CTRL-C or "
+    fs_wait_for_key f 'to enter failsafe mode' $fs_failsafe_wait_timeout && FAILSAFE=true && export FAILSAFE
+}
+
+boot_hook_add preinit_main failsafe_wait
+

package/base-files/files/lib/preinit/40_init_shm

@@ -0,0 +1,10 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+init_shm() {
+    [ -d /dev/shm ] || mkdir -p /dev/shm
+}
+
+boot_hook_add preinit_essential init_shm
+

package/base-files/files/lib/preinit/40_mount_devpts

@@ -0,0 +1,15 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+init_devpts() {
+    [ -d /dev/pts ] || mkdir -p /dev/pts
+}
+
+do_mount_devpts() {
+    mount devpts /dev/pts -t devpts
+}
+
+boot_hook_add preinit_essential init_devpts
+boot_hook_add preinit_essential do_mount_devpts
+

package/base-files/files/lib/preinit/40_mount_jffs2

@@ -0,0 +1,24 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+find_mount_jffs2() {
+    mount "$(find_mtd_part rootfs_data)" /jffs -t jffs2
+}
+
+jffs2_not_mounted() {
+    if [ "$pi_jffs2_mount_success" != "true" ]; then
+	return 0
+    else
+	return 1
+    fi
+}
+
+do_mount_jffs2() {
+    check_skip || {
+	find_mount_jffs2 && pi_jffs2_mount_success=true
+    }
+}
+
+boot_hook_add preinit_mount_root do_mount_jffs2
+

package/base-files/files/lib/preinit/40_run_failsafe_hook

@@ -0,0 +1,13 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+run_failsafe_hook() {
+    if [ "$FAILSAFE" = "true" ]; then
+	boot_run_hook failsafe
+	lock -w /tmp/.failsafe
+    fi
+}
+
+boot_hook_add preinit_main run_failsafe_hook
+

package/base-files/files/lib/preinit/50_choose_console

@@ -0,0 +1,31 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+choose_console() {
+    # the shell really doesn't like having stdin/out closed
+    # that's why we use /dev/pty/m0 and m1 (or equivalent) as replacement
+    # for /dev/console if there's no serial console available
+
+    if grep devfs /proc/filesystems > /dev/null; then
+	M0=/dev/pty/m0
+	M1=/dev/pty/m1
+	M2=/dev/pty/m1
+    elif [ -x /sbin/hotplug2 ]; then
+	M0=/dev/ptmx
+	M1=/dev/ptmx
+	M2=/dev/ptmx
+    elif [ -x /sbin/udevd ]; then
+	M0=/dev/pty/ptmx
+	M1=/dev/pty/ptmx
+	M2=/dev/pty/ptmx
+    fi
+    dd if=/dev/console of=/dev/null bs=1 count=0 >/dev/null 2>/dev/null && {
+	M0=/dev/console
+	M1=/dev/console
+	M2=/dev/console    
+    }
+}
+
+boot_hook_add preinit_essential choose_console
+

package/base-files/files/lib/preinit/50_indicate_regular_preinit

@@ -0,0 +1,12 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+indicate_regular_preinit() {
+    echo "- regular preinit -"
+    preinit_net_echo "Continuing with Regular Preinit\n"
+    pi_indicate_led
+}
+
+boot_hook_add preinit_main indicate_regular_preinit
+

package/base-files/files/lib/preinit/60_init_hotplug

@@ -0,0 +1,10 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+init_hotplug() {
+   echo "$HOTPLUG" > /proc/sys/kernel/hotplug
+}
+
+boot_hook_add preinit_main init_hotplug
+

package/base-files/files/lib/preinit/70_initramfs_test

@@ -0,0 +1,13 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+initramfs_test() {
+    if [ -n "$INITRAMFS" ]; then
+	boot_run_hook initramfs
+	break
+    fi
+}
+
+boot_hook_add preinit_main initramfs_test
+

package/base-files/files/lib/preinit/70_pivot_jffs2_root

@@ -0,0 +1,13 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+rootfs_pivot() {
+    check_skip || jffs2_not_mounted || {
+	echo "switching to jffs2"
+	fopivot /jffs /rom && pi_mount_skip_next=true
+    }
+}
+
+boot_hook_add preinit_mount_root rootfs_pivot
+

package/base-files/files/lib/preinit/80_mount_root

@@ -0,0 +1,10 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+do_mount_root() {
+    boot_run_hook preinit_mount_root
+}   
+
+boot_hook_add preinit_main do_mount_root
+

package/base-files/files/lib/preinit/90_init_console

@@ -0,0 +1,14 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+init_console() {
+    if [ "$pi_suppress_stderr" = "y" ]; then
+	exec <$M0 >$M1 2>&0
+    else 
+	exec <$M0 >$M1 2>$M2
+    fi
+}
+
+boot_hook_add preinit_essential init_console
+

package/base-files/files/lib/preinit/90_mount_no_jffs2

@@ -0,0 +1,12 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+do_mount_no_jffs2() {
+    check_skip || {
+	mount_no_jffs2 && pi_mount_skip_next=true
+    }
+}
+
+boot_hook_add preinit_mount_root do_mount_no_jffs2
+

package/base-files/files/lib/preinit/90_restore_config

@@ -0,0 +1,17 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+restore_config() {
+    [ -f /sysupgrade.tgz ] && {
+	echo "- config restore -"
+	cd /
+	mv sysupgrade.tgz /tmp
+	tar xzf /tmp/sysupgrade.tgz
+	rm -f /tmp/sysupgrade.tgz
+	sync
+    }
+}
+
+boot_hook_add preinit_main restore_config
+

package/base-files/files/lib/preinit/99_10_failsafe_login

@@ -0,0 +1,18 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+failsafe_netlogin () {
+    telnetd -l /bin/login.sh <> /dev/null 2>&1    
+}
+
+failsafe_shell() {
+    lock /tmp/.failsafe
+    ash --login
+    echo "Please reboot system when done with failsafe network logins"
+}
+
+
+boot_hook_add failsafe failsafe_netlogin
+boot_hook_add failsafe failsafe_shell
+

package/base-files/files/lib/preinit/99_10_mount_no_mtd

@@ -0,0 +1,12 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+do_mount_no_mtd() {
+    check_skip || {
+	mount_no_mtd
+    }
+}
+
+boot_hook_add preinit_mount_root do_mount_no_mtd
+

package/base-files/files/lib/preinit/99_10_run_init

@@ -0,0 +1,16 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+run_init() {
+    preinit_echo "- init -"
+    preinit_ip_deconfig
+    if [ "$pi_init_stderr_suppress" = "y" ]; then
+	exec env - PATH=$pi_init_path $pi_init_env $pi_init_cmd 2>&0
+    else
+	exec env - PATH=$pi_init_path $pi_init_env $pi_init_cmd
+    fi
+}
+
+boot_hook_add preinit_main run_init
+