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-rw-r--r--qemu/roms/openbios/libopenbios/console.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/qemu/roms/openbios/libopenbios/console.c b/qemu/roms/openbios/libopenbios/console.c
new file mode 100644
index 000000000..7f3aad8ef
--- /dev/null
+++ b/qemu/roms/openbios/libopenbios/console.c
@@ -0,0 +1,68 @@
+/*
+ * <console.c>
+ *
+ * Simple text console
+ *
+ * Copyright (C) 2005 Stefan Reinauer <stepan@openbios.org>
+ * Copyright (C) 2013 Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation
+ *
+ */
+
+#include "config.h"
+#include "libopenbios/bindings.h"
+#include "libopenbios/console.h"
+#include "drivers/drivers.h"
+
+/* ******************************************************************
+ * common functions, implementing simple concurrent console
+ * ****************************************************************** */
+
+/* Dummy routines for when console is unassigned */
+
+static int dummy_putchar(int c)
+{
+ return c;
+}
+
+static int dummy_availchar(void)
+{
+ return 0;
+}
+
+static int dummy_getchar(void)
+{
+ return 0;
+}
+
+struct _console_ops console_ops = {
+ .putchar = dummy_putchar,
+ .availchar = dummy_availchar,
+ .getchar = dummy_getchar
+};
+
+#ifdef CONFIG_DEBUG_CONSOLE
+
+void init_console(struct _console_ops ops)
+{
+ console_ops = ops;
+}
+
+int putchar(int c)
+{
+ return (*console_ops.putchar)(c);
+}
+
+int availchar(void)
+{
+ return (*console_ops.availchar)();
+}
+
+int getchar(void)
+{
+ return (*console_ops.getchar)();
+}
+#endif // CONFIG_DEBUG_CONSOLE