X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fpowerpc%2Fboot%2Fstring.S;h=643e4cb2f11da67f3c55f237ff68fbda5b07687f;hb=8fa82790fb9dfe57aeafc8de6b6a5c1df63efa06;hp=2627558bcb7132cc30a7944752068264beeb0cbb;hpb=0ae0b54565a8dcc2b98de694b998e765de15b713;p=linux-2.6

diff --git a/arch/powerpc/boot/string.S b/arch/powerpc/boot/string.S
index 2627558bcb..643e4cb2f1 100644
--- a/arch/powerpc/boot/string.S
+++ b/arch/powerpc/boot/string.S
@@ -219,6 +219,19 @@ backwards_memcpy:
 	mtctr	r7
 	b	1b
 
+	.globl	memchr
+memchr:
+	cmpwi	0,r5,0
+	blelr
+	mtctr	r5
+	addi	r3,r3,-1
+1:	lbzu	r0,1(r3)
+	cmpw	r0,r4
+	beqlr
+	bdnz	1b
+	li	r3,0
+	blr
+
 	.globl	memcmp
 memcmp:
 	cmpwi	0,r5,0