LAB 4 IS DONE.

lab/kern/console.h

@@ -0,0 +1,26 @@
+/* See COPYRIGHT for copyright information. */
+
+#ifndef _CONSOLE_H_
+#define _CONSOLE_H_
+#ifndef JOS_KERNEL
+# error "This is a JOS kernel header; user programs should not #include it"
+#endif
+
+#include <inc/types.h>
+
+#define MONO_BASE	0x3B4
+#define MONO_BUF	0xB0000
+#define CGA_BASE	0x3D4
+#define CGA_BUF		0xB8000
+
+#define CRT_ROWS	25
+#define CRT_COLS	80
+#define CRT_SIZE	(CRT_ROWS * CRT_COLS)
+
+void cons_init(void);
+int cons_getc(void);
+
+void kbd_intr(void); // irq 1
+void serial_intr(void); // irq 4
+
+#endif /* _CONSOLE_H_ */