#!/bin/sh
#
# This script is intended to be interpreted by busybox sh.
echo
echo "Starting..."
echo

mkdir /cdrom
mkdir /target

for M in proc:/proc devtmpfs:/dev devpts:/dev/pts sysfs:/sys ; do
    mkdir -p ${M##*:}
    mount -t ${M%%:*} ${M%%:*} ${M##*:}
done

for M in ata_piix sd_mod sr_mod isofs vfat xhci-pci usb_storage ; do
    modprobe $M
    sleep 1
done

#--- Automatic:
# cdrom t10_pi crc64_rocksoft crc64 crc_t10dif crct10dif_common libata
# scsi_mod scsi_common
#--- Other, not used:
# ata_generic nls_cp437 nls_ascii sg
#  ext4 jbd2 mbcache crc16
#-- input
# psmouse evdev
#-- network
# e1000

echo
echo "Continuing..."
echo

# Determine root fs from FSUUID provided by syslinux SYSAPPEND
for I in 1 2 3 4 5 ; do
    sleep $I
    mount UUID=${FSUUID} /boot && break
    if [ $I -eq 5 ] ; then
	echo "CANNOT MOUNT UUID=${FSUUID}"
	echo "Starting emergency shell ..."
	exec /bin/sh
    fi
done
DEV2="$(grep /boot /proc/mounts | sed 's/ .*//')"
umount /boot
DEV="${DEV2%?}"

mount $DEV /cdrom
mount -t ramfs -o size=1G initrd /target

gunzip < $(find /cdrom -name initrd.gz ) | ( cd /target && cpio -i )
exec /bin/sh
exec switch_root -c /dev/console /target /init