diff --git a/[refs] b/[refs]
index 2a951b8f3407..49a55495e5a2 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d0c3d534a4388a465101b634a95f2ec586415254
+refs/heads/master: 9b4b8feb962f4b3e74768b7205f1f8f6cce87238
diff --git a/trunk/arch/powerpc/boot/string.S b/trunk/arch/powerpc/boot/string.S
index 2627558bcb71..643e4cb2f11d 100644
--- a/trunk/arch/powerpc/boot/string.S
+++ b/trunk/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
diff --git a/trunk/arch/powerpc/boot/string.h b/trunk/arch/powerpc/boot/string.h
index 4650030d1040..50091cc0eed9 100644
--- a/trunk/arch/powerpc/boot/string.h
+++ b/trunk/arch/powerpc/boot/string.h
@@ -14,6 +14,7 @@ extern size_t strnlen(const char *s, size_t count);
 extern void *memset(void *s, int c, size_t n);
 extern void *memmove(void *dest, const void *src, unsigned long n);
 extern void *memcpy(void *dest, const void *src, unsigned long n);
+extern void *memchr(const void *s, int c, size_t n);
 extern int memcmp(const void *s1, const void *s2, size_t n);
 
 #endif	/* _PPC_BOOT_STRING_H_ */