diff --git a/include/common.h b/include/common.h
index be86426..8a81e43 100644
--- a/include/common.h
+++ b/include/common.h
@@ -316,6 +316,7 @@
 #endif
 uint	get_pir	      (void);
 uint	get_pvr	      (void);
+uint	get_svr	      (void);
 uint	rd_ic_cst     (void);
 void	wr_ic_cst     (uint);
 void	wr_ic_adr     (uint);