While hacking on getting I/O out to the lguest launcher, I noticed
that returning 0xFF for the PS/2 keyboard status made it spin for a
while thinking there was a key pending. Fix this by returning 1
instead of 0xFF.
Signed-off-by: Rusty Russell <ru...@rustcorp.com.au>
---
tools/lguest/lguest.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/lguest/lguest.c b/tools/lguest/lguest.c
index b2217657f62c..485fe13db12e 100644
--- a/tools/lguest/lguest.c
+++ b/tools/lguest/lguest.c
@@ -1259,6 +1259,10 @@ static void emulate_insn(const u8 insn[])
else
mask = 0xFFFFFFFF;
+ /* This is the PS/2 keyboard status; 1 means ready for output */
+ if (port == 0x64)
+ val = 1;
+
/*
* If it was an "IN" instruction, they expect the result to be read
* into %eax, so we change %eax.
--
2.1.0
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