9990 loader.efi: check the presence of WaitForKey

Review Request #1289 - Created Nov. 19, 2018 and submitted

Information
Toomas Soome
illumos-gate
9990
d587bb0...
Reviewers
general
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).

https://svnweb.freebsd.org/base?view=revision&revision=r305026

uefi loader start and confirm we can input with keyboard...

Issues

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Description From Last Updated
John Levon
Toomas Soome
Toomas Soome
Toomas Soome
Toomas Soome
John Levon
Toomas Soome
Review request changed

Status: Closed (submitted)

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