First version

src/arch/i386/include/gateA20.h

+#ifndef GATEA20_H
+#define GATEA20_H
+
+extern void gateA20_set ( void );
+extern void gateA20_unset ( void );
+
+#endif /* GATEA20_H */

src/include/osloader.h

+#ifndef OSLOADER_H
+#define OSLOADER_H
+
+extern int prep_segment ( physaddr_t start, physaddr_t mid, physaddr_t end );
+
+#endif /* OSLOADER_H */