Grub menuentry for FreeBSD (zfs)

40_custom

#!/bin/sh
exec tail -n +3 $0
#
# File name: /etc/grub.d/40_custom
#
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.

menuentry "FreeBSD - The Power To Server" {
	insmod part_gpt
	insmod zfs
	search --set --label zroot  # default name
	kfreebsd (hd2,gpt3)/ROOT/default/@/boot/zfsloader
}