h8300: fix memset return value.

The return address is not as specified.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>

diff --git a/arch/h8300/lib/memset.S b/arch/h8300/lib/memset.S
index 2d1abc3..df87377 100644 (file)
--- a/arch/h8300/lib/memset.S
+++ b/arch/h8300/lib/memset.S
@@ -19,13 +19,15 @@
 ;; c   = er1(r1l)
 ;; count = er2
 memset:
-       btst    #0,r0l
+       mov.l   er4,@-sp
+       mov.l   er0,er4
+       btst    #0,r4l
        beq     2f
 
        ;; odd address
 1:
-       mov.b   r1l,@er0
-       adds    #1,er0
+       mov.b   r1l,@er4
+       adds    #1,er4
        dec.l   #1,er2
        beq     6f
 
@@ -46,8 +48,8 @@ memset:
        mov.b   r1l,r1h
        mov.w   r1,e1
 3:
-       mov.l   er1,@er0
-       adds    #4,er0
+       mov.l   er1,@er4
+       adds    #4,er4
        dec.l   #1,er2
        bne     3b
 4:
@@ -55,11 +57,12 @@ memset:
        and.b   #3,r3l
        beq     6f
 5:
-       mov.b   r1l,@er0
-       adds    #1,er0
+       mov.b   r1l,@er4
+       adds    #1,er4
        dec.b   r3l
        bne     5b
 6:
+       mov.l   @sp+,er4
        rts
 
 clear_user: