support playing mono; from Kazuhiko Fukuhara <zaa83571@oak.zero.ad.jp>
support playing mono; from Kazuhiko Fukuhara <zaa83571@oak.zero.ad.jp>

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars