K 10
svn:author
V 6
andrew
K 8
svn:date
V 27
2017-10-10T13:05:26.974664Z
K 7
svn:log
V 379
Support the EFI Runtime Services on arm64. As with amd64 we use the 1:1
mapping. This uses the new common code shared with amd64.

The RTC should only be accessed via EFI. There is no locking around it as
the spec only has this as a requirement for the PC-AT CMOS device.

Reviewed by:	kib, imp
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D12595

END