Add mkinitrd
diff --git a/src/mkinitrd/Makefile b/src/mkinitrd/Makefile
index e69de29..66b7893 100644
--- a/src/mkinitrd/Makefile
+++ b/src/mkinitrd/Makefile
@@ -0,0 +1,11 @@
+OBJECTS = main.o
+JAYROOT = ../../
+CFLAGS = -O2 -I$(JAYROOT)/include -Wall
+
+mkinitrd: $(OBJECTS)
+	$(CC) -o $@ $^
+
+clean:
+	rm -f *.o mkinitrd
+
+.PHONY: clean