K 10
svn:author
V 8
jmcneill
K 8
svn:date
V 27
2016-08-29T20:01:53.494776Z
K 7
svn:log
V 340
When the EFI implementation (like U-Boot) does not support WaitForKey, we
can emulate efi_cons_poll(0 with a flag and caching the last key read with
ReadKeyStroke. This fixes the loader.efi countdown timer on Pine64 (and
other U-Boot + EFI using platforms).

Reviewed by:		imp, manu
Differential Revision:	https://reviews.freebsd.org/D7670

END