--- zzzz-none-000/linux-3.10.107/arch/h8300/lib/memset.S	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/h8300/lib/memset.S	2021-02-04 17:41:59.000000000 +0000
@@ -2,21 +2,22 @@
 
 #include <asm/linkage.h>
 
-#if defined(__H8300H__) 
+#if defined(CONFIG_CPU_H8300H)
 	.h8300h
 #endif
-#if defined(__H8300S__) 
+#if defined(CONFIG_CPU_H8S)
 	.h8300s
 #endif
 	.text
 
-.global	SYMBOL_NAME(memset)
+.global	memset
+.global	clear_user
 
 ;;void *memset(*ptr, int c, size_t count)
 ;; ptr = er0
 ;; c   = er1(r1l)
 ;; count = er2
-SYMBOL_NAME_LABEL(memset)
+memset:
 	btst	#0,r0l
 	beq	2f
 
@@ -33,11 +34,11 @@
 	cmp.l	#4,er2
 	blo	4f
 	;; count>=4 -> count/4
-#if defined(__H8300H__)
+#if defined(CONFIG_CPU_H8300H)
 	shlr.l	er2
 	shlr.l	er2
 #endif
-#if defined(__H8300S__)
+#if defined(CONFIG_CPU_H8S)
 	shlr.l	#2,er2
 #endif
 	;; byte -> long
@@ -59,3 +60,10 @@
 	bne	5b
 6:
 	rts
+
+clear_user:
+	mov.l	er1, er2
+	sub.l	er1, er1
+	bra	memset
+
+	.end