Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / openbios / libopenbios / console.c

diff --git a/qemu/roms/openbios/libopenbios/console.c b/qemu/roms/openbios/libopenbios/console.c
new file mode 100644 (file)
index 0000000..7f3aad8
--- /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