diff --git a/arch/x86/include/asm/tables.h b/arch/x86/include/asm/tables.h
index 8146ba3..0aa6d9b 100644
--- a/arch/x86/include/asm/tables.h
+++ b/arch/x86/include/asm/tables.h
@@ -28,6 +28,20 @@
 u8 table_compute_checksum(void *v, int len);
 
 /**
+ * table_fill_string() - Fill a string with pad in the configuration table
+ *
+ * This fills a string in the configuration table. It copies number of bytes
+ * from the source string, and if source string length is shorter than the
+ * required size to copy, pad the table string with the given pad character.
+ *
+ * @dest:	where to fill a string
+ * @src:	where to copy from
+ * @n:		number of bytes to copy
+ * @pad:	character to pad the remaining bytes
+ */
+void table_fill_string(char *dest, const char *src, size_t n, char pad);
+
+/**
  * write_tables() - Write x86 configuration tables
  *
  * This writes x86 configuration tables, including PIRQ routing table,