add serial console support

Redirect int10 calls to serial console output.
Parse serial input and queue key events.
The serial console can work both as primary display
and in parallel to another vga display (splitmode).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
index da9059a9..7a23b518 100644
--- a/src/util.h
+++ b/src/util.h
@@ -231,6 +231,10 @@ void startBoot(void);
 void reloc_preinit(void *f, void *arg);
 void code_mutable_preinit(void);
 
+// sercon.c
+void sercon_setup(void);
+void sercon_check_event(void);
+
 // serial.c
 void serial_setup(void);
 void lpt_setup(void);