[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/blackfin/lib/strncmp.S b/src/kernel/linux/v4.14/arch/blackfin/lib/strncmp.S
new file mode 100644
index 0000000..3bfaedc
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/blackfin/lib/strncmp.S
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2005-2010 Analog Devices Inc.
+ *
+ * Licensed under the Clear BSD license or the GPL-2 (or later)
+ */
+
+#include <linux/linkage.h>
+
+/* void *strncpy(char *s1, const char *s2, size_t n);
+ * R0 = address (dest)
+ * R1 = address (src)
+ * R2 = size (n)
+ * Returns a pointer to the destination string dest
+ */
+
+#ifdef CONFIG_STRNCMP_L1
+.section .l1.text
+#else
+.text
+#endif
+
+.align 2
+
+ENTRY(_strncmp)
+ CC = R2 == 0;
+ if CC JUMP 5f;
+
+ P0 = R0 ; /* s1 */
+ P1 = R1 ; /* s2 */
+1:
+ R0 = B[P0++] (Z); /* get *s1 */
+ R1 = B[P1++] (Z); /* get *s2 */
+ CC = R0 == R1; /* compare a byte */
+ if ! cc jump 3f; /* not equal, break out */
+ CC = R0; /* at end of s1? */
+ if ! cc jump 4f; /* yes, all done */
+ R2 += -1; /* no, adjust count */
+ CC = R2 == 0;
+ if ! cc jump 1b (bp); /* more to do, keep going */
+2:
+ R0 = 0; /* strings are equal */
+ jump.s 4f;
+3:
+ R0 = R0 - R1; /* *s1 - *s2 */
+4:
+ RTS;
+
+5:
+ R0 = 0;
+ RTS;
+
+ENDPROC(_strncmp)