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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * linux/arch/arm/lib/strchr.S
+ *
+ * Copyright (C) 1995-2000 Russell King
+ *
+ * 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
+ ret lr
+ENDPROC(strchr)