1 files changed, 26 insertions, 0 deletions

diff --git a/arch/arm/lib/strchr.S b/arch/arm/lib/strchr.S
new file mode 100644
index 000000000000..5b9b493733fc
--- /dev/null
+++ b/arch/arm/lib/strchr.S
@@ -0,0 +1,26 @@
+/*
+ *  linux/arch/arm/lib/strchr.S
+ *
+ *  Copyright (C) 1995-2000 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ *  ASM optimised string functions
+ */
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+                .text
+                .align  5
+ENTRY(strchr)
+                and     r1, r1, #0xff
+1:              ldrb    r2, [r0], #1
+                teq     r2, r1
+                teqne   r2, #0
+                bne     1b
+                teq     r2, r1
+                movne   r0, #0
+                subeq   r0, r0, #1
+                RETINSTR(mov,pc,lr)