[SLOF] [PATCH] Use input-device and output-device

[Laurent Vivier]

QEMU can now set environment variables from the command line (with -prom-env).
By this means, we can set the output-device and input-device variables,
and SLOF can read it and set stdout and stdin accordingly.

Signed-off-by: Laurent Vivier <lvivier at redhat.com>
---
 board-qemu/slof/OF.fs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/board-qemu/slof/OF.fs b/board-qemu/slof/OF.fs
index 0169c35..4e04b84 100644
--- a/board-qemu/slof/OF.fs
+++ b/board-qemu/slof/OF.fs
@@ -257,6 +257,20 @@ romfs-base 400000 0 ' claim CATCH IF ." claim failed!" cr 2drop THEN drop
             THEN
         THEN
     THEN
+
+    s" input-device" evaluate dup IF
+        ." User selected input-device console: " 2dup type cr
+        input
+    ELSE
+        2drop
+    THEN
+
+    s" output-device" evaluate dup IF
+        ." User selected output-device console: " 2dup type cr
+        output
+    ELSE
+        2drop
+    THEN
 ;
 set-default-console
 
-- 
2.13.5