FM / start

/sys/hypervisor/start_flags

Name	Size	Mode	Actions
initdomain	4096	0444	edit dl rm
privileged	4096	0444	edit dl rm
unknown02	4096	0444	edit dl rm
unknown03	4096	0444	edit dl rm
unknown04	4096	0444	edit dl rm
unknown05	4096	0444	edit dl rm
unknown06	4096	0444	edit dl rm
unknown07	4096	0444	edit dl rm
unknown08	4096	0444	edit dl rm
unknown09	4096	0444	edit dl rm
unknown10	4096	0444	edit dl rm
unknown11	4096	0444	edit dl rm
unknown12	4096	0444	edit dl rm
unknown13	4096	0444	edit dl rm
unknown14	4096	0444	edit dl rm
unknown15	4096	0444	edit dl rm
unknown16	4096	0444	edit dl rm
unknown17	4096	0444	edit dl rm
unknown18	4096	0444	edit dl rm
unknown19	4096	0444	edit dl rm
unknown20	4096	0444	edit dl rm
unknown21	4096	0444	edit dl rm
unknown22	4096	0444	edit dl rm
unknown23	4096	0444	edit dl rm
unknown24	4096	0444	edit dl rm
unknown25	4096	0444	edit dl rm
unknown26	4096	0444	edit dl rm
unknown27	4096	0444	edit dl rm
unknown28	4096	0444	edit dl rm
unknown29	4096	0444	edit dl rm
unknown30	4096	0444	edit dl rm
unknown31	4096	0444	edit dl rm

Edit: /sys/hypervisor/start_flags/unknown28 (4096B)