dd if="$1" of="$kern" bs=$BLKSZ conv=sync 2>/dev/null
dd if="$2" of="$root" bs=$BLKSZ conv=sync 2>/dev/null
# Calculate md5sum over combined kernel and rootfs image.
dd if="$1" of="$kern" bs=$BLKSZ conv=sync 2>/dev/null
dd if="$2" of="$root" bs=$BLKSZ conv=sync 2>/dev/null
# Calculate md5sum over combined kernel and rootfs image.
# Write image header followed by kernel and rootfs image.
# The header is padded to 64k, format is:
# Write image header followed by kernel and rootfs image.
# The header is padded to 64k, format is: