diff --git a/src/include/lib.h b/src/include/lib.h
index 2f27149..db8f42d 100644
--- a/src/include/lib.h
+++ b/src/include/lib.h
@@ -55,4 +55,7 @@
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx);
 #endif
 
+/* Defined in src/lib/hexdump.c */
+void hexdump(unsigned long memory, int length);
+
 #endif /* __LIB_H__ */