1 files changed, 3 insertions, 0 deletions
diff --git a/pc-bios/s390-ccw/s390-ccw.h b/pc-bios/s390-ccw/s390-ccw.h
index a03dbaf015..8241b0af05 100644
--- a/pc-bios/s390-ccw/s390-ccw.h
+++ b/pc-bios/s390-ccw/s390-ccw.h
@@ -45,6 +45,9 @@ typedef unsigned long long __u64;
 
 #include "cio.h"
 
+/* start.s */
+void disabled_wait(void);
+
 /* main.c */
 void virtio_panic(const char *string);