1 files changed, 96 insertions, 0 deletions
diff --git a/src/vendorcode/cavium/bdk/libdram/dram-util.h b/src/vendorcode/cavium/bdk/libdram/dram-util.h
new file mode 100644
index 0000000000..f8ab6c1552
--- /dev/null
+++ b/src/vendorcode/cavium/bdk/libdram/dram-util.h
@@ -0,0 +1,96 @@
+/***********************license start***********************************
+* Copyright (c) 2003-2017  Cavium Inc. (support@cavium.com). All rights
+* reserved.
+*
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are
+* met:
+*
+*   * Redistributions of source code must retain the above copyright
+*     notice, this list of conditions and the following disclaimer.
+*
+*   * Redistributions in binary form must reproduce the above
+*     copyright notice, this list of conditions and the following
+*     disclaimer in the documentation and/or other materials provided
+*     with the distribution.
+*
+*   * Neither the name of Cavium Inc. nor the names of
+*     its contributors may be used to endorse or promote products
+*     derived from this software without specific prior written
+*     permission.
+*
+* This Software, including technical data, may be subject to U.S. export
+* control laws, including the U.S. Export Administration Act and its
+* associated regulations, and may be subject to export or import
+* regulations in other countries.
+*
+* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
+* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT
+* TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
+* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
+* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT,
+* QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE  RISK
+* ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
+***********************license end**************************************/
+
+/**
+ * Small utility functions for use by libdram internally. These
+ * are not meant for users's of the libdram API.
+ */
+
+/**
+ * Standard min(a,b) macro
+ */
+#define min(X, Y)				\
+	({ typeof (X) __x = (X);		\
+		typeof (Y) __y = (Y);		\
+		(__x < __y) ? __x : __y; })
+
+/**
+ * Standard max(a,b) macro
+ */
+#define max(X, Y)				\
+	({ typeof (X) __x = (X); typeof(Y) __y = (Y);	\
+		(__x > __y) ? __x : __y; })
+
+/**
+ * Absolute value of an integer
+ *
+ * @param v
+ *
+ * @return
+ */
+static inline int64_t _abs(int64_t v)
+{
+    return (v < 0) ? -v : v;
+}
+
+/**
+ * Sign of an integer
+ *
+ * @param v
+ *
+ * @return
+ */
+static inline int64_t _sign(int64_t v)
+{
+    return v < 0;
+}
+
+/**
+ * Divide and round results up to the next higher integer.
+ *
+ * @param dividend
+ * @param divisor
+ *
+ * @return
+ */
+static inline uint64_t divide_roundup(uint64_t dividend, uint64_t divisor)
+{
+    return (dividend + divisor - 1) / divisor;
+}
+