Import the "gerbert" kernel I worked on earlier this year.

It's a lot crappier than I remembered it. It's gonna need a lot of work.

Kernel/IO.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include "types.h"
+
+namespace IO {
+
+BYTE in8(WORD port);
+WORD in16(WORD port);
+DWORD in32(WORD port);
+
+void out8(WORD port, BYTE data);
+void out16(WORD port, WORD data);
+void out32(WORD port, DWORD data);
+
+}