ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/arch/m68k/include/asm/string.h b/marvell/linux/arch/m68k/include/asm/string.h
new file mode 100644
index 0000000..f759d94
--- /dev/null
+++ b/marvell/linux/arch/m68k/include/asm/string.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _M68K_STRING_H_
+#define _M68K_STRING_H_
+
+#include <linux/types.h>
+#include <linux/compiler.h>
+
+#define __HAVE_ARCH_STRNLEN
+static inline size_t strnlen(const char *s, size_t count)
+{
+ const char *sc = s;
+
+ asm volatile ("\n"
+ "1: subq.l #1,%1\n"
+ " jcs 2f\n"
+ " tst.b (%0)+\n"
+ " jne 1b\n"
+ " subq.l #1,%0\n"
+ "2:"
+ : "+a" (sc), "+d" (count));
+ return sc - s;
+}
+
+#define __HAVE_ARCH_STRNCPY
+static inline char *strncpy(char *dest, const char *src, size_t n)
+{
+ char *xdest = dest;
+
+ asm volatile ("\n"
+ " jra 2f\n"
+ "1: move.b (%1),(%0)+\n"
+ " jeq 2f\n"
+ " addq.l #1,%1\n"
+ "2: subq.l #1,%2\n"
+ " jcc 1b\n"
+ : "+a" (dest), "+a" (src), "+d" (n)
+ : : "memory");
+ return xdest;
+}
+
+#ifndef CONFIG_COLDFIRE
+#define __HAVE_ARCH_STRCMP
+static inline int strcmp(const char *cs, const char *ct)
+{
+ char res;
+
+ asm ("\n"
+ "1: move.b (%0)+,%2\n" /* get *cs */
+ " cmp.b (%1)+,%2\n" /* compare a byte */
+ " jne 2f\n" /* not equal, break out */
+ " tst.b %2\n" /* at end of cs? */
+ " jne 1b\n" /* no, keep going */
+ " jra 3f\n" /* strings are equal */
+ "2: sub.b -(%1),%2\n" /* *cs - *ct */
+ "3:"
+ : "+a" (cs), "+a" (ct), "=d" (res));
+ return res;
+}
+#endif /* CONFIG_COLDFIRE */
+
+#define __HAVE_ARCH_MEMMOVE
+extern void *memmove(void *, const void *, __kernel_size_t);
+
+#define memcmp(d, s, n) __builtin_memcmp(d, s, n)
+
+#define __HAVE_ARCH_MEMSET
+extern void *memset(void *, int, __kernel_size_t);
+#define memset(d, c, n) __builtin_memset(d, c, n)
+
+#define __HAVE_ARCH_MEMCPY
+extern void *memcpy(void *, const void *, __kernel_size_t);
+#define memcpy(d, s, n) __builtin_memcpy(d, s, n)
+
+#endif /* _M68K_STRING_H_ */