X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fpowerpc%2Fboot%2Fstring.S;h=643e4cb2f11da67f3c55f237ff68fbda5b07687f;hb=8fa82790fb9dfe57aeafc8de6b6a5c1df63efa06;hp=ac3d43b6a324c97549d8c181e2896ee2f41d377f;hpb=d65177c1ae7f085723154105c5dc8d9e16ae8265;p=linux-2.6

diff --git a/arch/powerpc/boot/string.S b/arch/powerpc/boot/string.S
index ac3d43b6a3..643e4cb2f1 100644
--- a/arch/powerpc/boot/string.S
+++ b/arch/powerpc/boot/string.S
@@ -49,6 +49,17 @@ strcat:
 	bne	1b
 	blr
 
+	.globl	strchr
+strchr:
+	addi	r3,r3,-1
+1:	lbzu	r0,1(r3)
+	cmpw	0,r0,r4
+	beqlr
+	cmpwi	0,r0,0
+	bne	1b
+	li	r3,0
+	blr
+
 	.globl	strcmp
 strcmp:
 	addi	r5,r3,-1
@@ -61,6 +72,19 @@ strcmp:
 	beq	1b
 	blr
 
+	.globl	strncmp
+strncmp:
+	mtctr	r5
+	addi	r5,r3,-1
+	addi	r4,r4,-1
+1:	lbzu	r3,1(r5)
+	cmpwi	1,r3,0
+	lbzu	r0,1(r4)
+	subf.	r3,r0,r3
+	beqlr	1
+	bdnzt	eq,1b
+	blr
+
 	.globl	strlen
 strlen:
 	addi	r4,r3,-1
@@ -195,6 +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