Index: kernel/genarch/Makefile.inc
===================================================================
--- kernel/genarch/Makefile.inc	(revision 4aa2a27b7de879ecc1f5cd437123bba355d4c82f)
+++ kernel/genarch/Makefile.inc	(revision 15d0046f9b3c481dc13462cd9c94e9f757fa743d)
@@ -181,2 +181,13 @@
 		genarch/src/drivers/ega/ega.c
 endif
+
+ifeq ($(CONFIG_IOMAP_BITMAP), y)
+	GENARCH_SOURCES += \
+		genarch/src/ddi/ddi-bitmap.c
+endif
+
+ifeq ($(CONFIG_IOMAP_DUMMY), y)
+	GENARCH_SOURCES += \
+		genarch/src/ddi/ddi-dummy.c
+endif
+