#!/bin/sh

export PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin:/usr/local/sbin

echo "---- in modified linuxrc (KAMII) START ---"

mount proc /proc -t proc
mount sysfs /sys -t sysfs

. /usr/local/bin/libbuffalo

## must be same as init.d/bootcomplete
ROOTFS_OK=/mnt/etc/rootfs_ok
HDDROOTMODE=/mnt/etc/hddrootmode
ROOTFS_BOOTING=/mnt/etc/rootfs_booting

SetRootfsBootMarker() {
	date > $ROOTFS_OK
}

DelRootfsBootMarker() {
	rm -f $ROOTFS_OK
}

CopyFromInitrdToHdd() {

	echo "-- CopyFromInitrdToHdd --"
	# these files should be same as initrd.
	# therefore you shouldn't put these files into hddimg.
	
	cp -a /etc/linkstation_emergence /mnt/etc/initrd_ver
	
	# /lsgl/usr/local/bin
	if [ ! -d /mnt/lsgl/usr/local/bin ] ; then
	  mkdir -p /mnt/lsgl/usr/local/bin
	fi
	for i in bootchange.sh exec_libbuffalo kernelmon_exec.sh imhere.sh \
	      lcd_error_man.sh libbuffalo set_time.sh shutdown.sh imhere.sh
	do
	    if [ -e /usr/local/bin/$i -a ! -e /mnt/lsgl/usr/local/bin/$i ] ; then
		cp -af /usr/local/bin/$i /mnt/lsgl/usr/local/bin/
	    fi
	done

	# /lsgl/usr/local/sbin
	if [ ! -d /mnt/lsgl/usr/local/sbin ] ; then
	  mkdir -p /mnt/lsgl/usr/local/sbin
	fi
	cp -af /usr/local/sbin/* /mnt/lsgl/usr/local/sbin/
	
	# etc/init.d/
	for i in bootcomplete.sh checkroot.sh clientUtil_servd.sh \
	         create_devlink.sh diskmon.sh ftpd.sh \
	         pwrmgr.sh kernelmon.sh logtag micon_setup.sh miconmon.sh \
	         networking.sh procps.sh rcDown reboot.sh reboot_start.sh \
	         restore_config.sh sethostname.sh sendsigs.sh \
	         shutdown_start.sh syslog.sh umount_disk.sh
	do
	  if [ -e /etc/init.d/$i -a ! -e /mnt/etc/init.d/$i ] ; then
		cp -af /etc/init.d/$i /mnt/etc/init.d/
	  fi
	done

	# standby
	for i in /etc/init.d/standby.* /usr/local/sbin/clientUtil_server \
	         /etc/dhcpc /sbin/dhcpcd
	do
	    if [ -e $i -a ! -e /mnt/$i ] ; then
	      cp -af $i /mnt/$i
	    fi
	done

	return 0
}

fsck_disks()
{
	##fsck_localdisks
	echo "== fsck_disks =="
	fsck.ext3 -pyf /dev/${DEV_BOOT}
	FsckXFS /dev/${DEV_ROOTFS1}
}

HasUpdatedFile()
{
	mkdir ${MPT_BOOT}
	mount /dev/${DEV_BOOT} ${MPT_BOOT}
	if [ $? -ne 0 ]; then
		# retry
		mount /dev/${DEV_BOOT} ${MPT_BOOT}
	fi
	if [ $? -ne 0 ]; then
		return 0
	fi
	# delete lost+founc
	rm -rf  ${MPT_BOOT}/lost+found/*
	#
	if [ -f ${MPT_BOOT}/uImage.buffalo.updated ]; then
		umount ${MPT_BOOT}
		return 1
	fi
	if [ -f ${MPT_BOOT}/u-boot.buffalo.updated ]; then
		umount ${MPT_BOOT}
		return 1
	fi
	if [ -f ${MPT_BOOT}/initrd.buffalo.updated ]; then
		umount ${MPT_BOOT}
		return 1
	fi
	if [ -f ${MPT_BOOT}/hddrootfs.buffalo.updated ]; then
		umount ${MPT_BOOT}
		return 1
	fi
	umount ${MPT_BOOT}
	return 0
}

TestRootfs()
{
	##echo "-- TestRootfs --"
	mount -n -o rw /dev/${DEV_ROOTFS1} /mnt
	if [ $? != 0 ]; then
		# retry
		mount -n -o rw /dev/${DEV_ROOTFS1} /mnt
	fi
	if [ $? = 0 ]; then
		PRDI1=`grep PRODUCTID /proc/buffalo/firmware`
		PRDI2=`grep PRODUCTID /mnt/etc/linkstation_release`
	
		# delete lost+founc
		rm -rf  /mnt/lost+found/*
		#
		
		echo $PRDI1 $PRDI2
		## check RootfsBootMarker
		if [ ! -f $HDDROOTMODE ]; then
			echo "** use initrd mode. **"
			umount /mnt
			return 1;
		fi

		if [ ! -f $ROOTFS_OK ]; then
			echo "*** not found $ROOTFS_OK file in rootfs. ***"
			echo -n "*" >> $ROOTFS_BOOTING
			chars=`cat $ROOTFS_BOOTING|wc -c`
			echo "chars=$chars"
			## chars=0 means 'write fail'.
			if [ "$chars" = 0 ] || [ "$chars" -ge 3 ] ; then
				echo "** over max retry. use initrd mode. **"
				umount /mnt
				return 1;
			fi
		fi
		/usr/local/bin/vercomp /proc/buffalo/firmware /mnt/etc/linkstation_release
		DATE_KERN=$?
		/usr/local/bin/vercomp /etc/linkstation_emergence /mnt/etc/linkstation_release
		DATE_INITRD=$?
		if [ $DATE_KERN -ne 0 ] || [ $DATE_INITRD -ne 0 ]; then
			echo "***(WARN) hddSys is old. ***"
			#echo "*** hddSys is old. use initrd mode. ***"
			#umount /mnt
			#return 1
		fi
		DelRootfsBootMarker
		CopyFromInitrdToHdd
		umount /mnt
		
		if [ "$PRDI1" = "$PRDI2" ]; then
			return 0;
		else
			echo "*** version mismatch. use initrd mode. ***"
		fi
	fi
	return 1;
}


HddRoot() {
	echo "-HddRoot-"
	HasUpdatedFile
	if [ $? != 0 ]; then
		echo "** has Updated Files **"
		echo "0x100" >/proc/sys/kernel/real-root-dev
		return
	fi
	TestRootfs
	if [ $? != 0 ]; then
		echo "0x100" >/proc/sys/kernel/real-root-dev
	fi
	fsck_disks
}

RamdiskRoot() {
	echo "-RamdiskRoot-"
	echo "0x100" >/proc/sys/kernel/real-root-dev
}

CommandMdode() {
	echo "-CommandMode-"
	mount -a
	/sbin/getty -L ttyS0 115200 vt100
	##/bin/sh
}

rtc_check()
{
	grep "0000/" /proc/driver/rtc >/dev/null
	if [ $? -eq 0 ]; then
		miconapl -b -a boot_device_error "Chip Error   E17RTC Failure"
	fi
}

pci_check()
{
	PCI_ETH="device  11"
	PCI_SATA1="device  12"
	PCI_SATA2="device  13"
	PCI_USB="device  14"
	
	# ETH PCI-ID11 (REALTEK:10ec)
	grep "$PCI_ETH" /proc/pci >/dev/null
	if [ $? -ne 0 ]; then
		miconapl -b -a boot_device_error "Chip Error   E21Ethernet Failure"
	fi
	# SATA1 PCI-ID12 (SIL:1095)
	grep "$PCI_SATA1" /proc/pci >/dev/null
	if [ $? -ne 0 ]; then
		miconapl -b -a boot_device_error "Chip Error   E18SATA1 Failure"
	fi
	# SATA2 PCI-ID13 (SIL:1095)
	grep "$PCI_SATA2" /proc/pci >/dev/null
	if [ $? -ne 0 ]; then
		miconapl -b -a boot_device_error "Chip Error   E19SATA2 Failure"
	fi
	# USB PCI-ID14 (NEC:1033)
	grep "$PCI_USB" /proc/pci >/dev/null
	if [ $? -ne 0 ]; then
		miconapl -b -a boot_device_error "Chip Error   E20USB Failure"
	fi
}

CheckDevices()
{
	echo "CheckDevices"
	#pci_check
	#rtc_check
}

# set the system time from the hardware clock 
hwclock -s
date

## Setup Micon communication port and send flash-boot complete message.
miconapl -b -a boot_flash_ok
### miconapl -a led_set_cpu_mcon off
### miconapl -a led_set_on_off off
### miconapl -a led_set_brink off
### miconapl -a fan_set_speed full
miconapl -a fan_set_speed slow
CheckDevices

echo "linuxrc:choose operation (timeout 4[s])"
echo -n " 1:RamRoot other:HddRoot  ? "
## timeout is 4[s]
ANSWER=`/usr/local/bin/keyinput -t 4`
case "$ANSWER" in
  1) RamdiskRoot ;;
  9) CommandMdode ;;
  *)
	HddRoot
	;;
esac

cat /etc/mtab

umount /sys
umount /proc
umount -a
exit 0