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board-qemu: Add a possibility to use hvterm input instead of USB keyboard 

SLOF automatically switches to USB keyboard input when it detects that
a graphics card and USB keyboard are available. However, for debugging
VGA or USB related issues, or running QEMU with the "-nographic" parameter,
it's more convenient to continue using the hvterm as input.
This patch adds the possibility to continue using hvterm if the user
sets the "direct-serial?" NVRAM variable to true. "direct-serial?" is
currently unused for board-qemu -- it's only used on board-js2x so far
for switching the serial ports there, so using this variable for
selecting the serial input on board-qemu seems to be a good fit, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
This commit is contained in:
Thomas Huth 2016-11-10 13:38:23 +01:00 committed by Alexey Kardashevskiy
parent 38bf852e73
commit 9b8945ecbd
1 changed files with 10 additions and 3 deletions
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13
board-qemu/slof/OF.fs
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@ -231,9 +231,16 @@ romfs-base 400000 0 ' claim CATCH IF ." claim failed!" cr 2drop THEN drop
" screen" find-alias dup IF nip THEN " screen" find-alias dup IF nip THEN
" keyboard" find-alias dup IF nip THEN " keyboard" find-alias dup IF nip THEN
AND IF AND IF
." using screen & keyboard" cr ." using screen "
" screen" output s" direct-serial?" evaluate IF
" keyboard" input ." & hvterm"
s" hvterm" input
ELSE
." & keyboard"
s" keyboard" input
THEN
cr
s" screen" output
ELSE ELSE
" hvterm" find-alias IF " hvterm" find-alias IF
drop drop