Add initrd
diff --git a/boot/initrd/Makefile b/boot/initrd/Makefile
new file mode 100644
index 0000000..59f82ae
--- /dev/null
+++ b/boot/initrd/Makefile
@@ -0,0 +1,10 @@
+SOURCES = config
+JAYROOT = ../../
+
+initrd.img: $(SOURCES) | $(JAYROOT)/bin/mkinitrd
+	$(JAYROOT)/bin/mkinitrd $@ $^
+
+$(JAYROOT)/bin/mkinitrd:
+	$(MAKE) -C $(JAYROOT)/src/mkinitrd install
+
+.PHONY: $(JAYROOT)/bin/mkinitrd