Merged mcb30-realmode-redesign back to HEAD

src/include/console.h

@@ -0,0 +1,28 @@
+#ifndef CONSOLE_H
+#define CONSOLE_H
+
+#include "stdint.h"
+
+/*
+ * Consoles that cannot be used before their INIT_FN() has completed
+ * should set disabled = 1 initially.  This allows other console
+ * devices to still be used to print out early debugging messages.
+ */
+
+struct console_driver {
+	int disabled;
+	void ( *putchar ) ( int character );
+	int ( *getchar ) ( void );
+	int ( *iskey ) ( void );
+};
+
+#define __console_driver \
+	__attribute__ (( used, __section__ ( ".drivers.console" ) ))
+
+/* Function prototypes */
+
+extern void putchar ( int character );
+extern int getchar ( void );
+extern int iskey ( void );
+
+#endif /* CONSOLE_H */