1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/include/asm/string.h b/arch/arm/include/asm/string.h
new file mode 100644
index 000000000000..e50c4a39b699
--- /dev/null
+++ b/arch/arm/include/asm/string.h
@@ -0,0 +1,50 @@
+#ifndef __ASM_ARM_STRING_H
+#define __ASM_ARM_STRING_H
+
+/*
+ * We don't do inline string functions, since the
+ * optimised inline asm versions are not small.
+ */
+
+#define __HAVE_ARCH_STRRCHR
+extern char * strrchr(const char * s, int c);
+
+#define __HAVE_ARCH_STRCHR
+extern char * strchr(const char * s, int c);
+
+#define __HAVE_ARCH_MEMCPY
+extern void * memcpy(void *, const void *, __kernel_size_t);
+
+#define __HAVE_ARCH_MEMMOVE
+extern void * memmove(void *, const void *, __kernel_size_t);
+
+#define __HAVE_ARCH_MEMCHR
+extern void * memchr(const void *, int, __kernel_size_t);
+
+#define __HAVE_ARCH_MEMZERO
+#define __HAVE_ARCH_MEMSET
+extern void * memset(void *, int, __kernel_size_t);
+
+extern void __memzero(void *ptr, __kernel_size_t n);
+
+#define memset(p,v,n)							\
+	({								\
+	 	void *__p = (p); size_t __n = n;			\
+		if ((__n) != 0) {					\
+			if (__builtin_constant_p((v)) && (v) == 0)	\
+				__memzero((__p),(__n));			\
+			else						\
+				memset((__p),(v),(__n));		\
+		}							\
+		(__p);							\
+	})
+
+#define memzero(p,n) 							\
+	({ 								\
+	 	void *__p = (p); size_t __n = n;			\
+	 	if ((__n) != 0) 					\
+	 		__memzero((__p),(__n)); 			\
+	 	(__p); 							\
+	 })
+
+#endif