[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/c6x/lib/negll.S b/src/kernel/linux/v4.14/arch/c6x/lib/negll.S
new file mode 100644
index 0000000..82f4bce
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/c6x/lib/negll.S
@@ -0,0 +1,31 @@
+;; Copyright (C) 2010 Texas Instruments Incorporated
+;; Contributed by Mark Salter <msalter@redhat.com>.
+;;
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2 of the License, or
+;; (at your option) any later version.
+;;
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with this program; if not, write to the Free Software
+;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+;; int64_t __c6xabi_negll(int64_t val)
+
+#include <linux/linkage.h>
+
+ .text
+ENTRY(__c6xabi_negll)
+ b .s2 B3
+ mvk .l1 0,A0
+ subu .l1 A0,A4,A3:A2
+ sub .l1 A0,A5,A0
+|| ext .s1 A3,24,24,A5
+ add .l1 A5,A0,A5
+ mv .s1 A2,A4
+ENDPROC(__c6xabi_negll)