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diff --git a/cvmx-abi.h b/cvmx-abi.h
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+/***********************license start***************
+ *  Copyright (c) 2003-2008 Cavium Networks (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 Networks nor the names of
+ *        its contributors may be used to endorse or promote products
+ *        derived from this software without specific prior written
+ *        permission.
+ *
+ *  TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+ *  AND WITH ALL FAULTS AND CAVIUM NETWORKS 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.
+ *
+ *
+ *  For any questions regarding licensing please contact marketing@caviumnetworks.com
+ *
+ ***********************license end**************************************/
+
+
+
+
+
+
+/**
+ * @file
+ *
+ * This file defines macros for use in determining the current calling ABI.
+ *
+ * <hr>$Revision: 41586 $<hr>
+*/
+
+#ifndef __CVMX_ABI_H__
+#define __CVMX_ABI_H__
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/* Check for N32 ABI, defined for 32-bit Simple Exec applications
+   and Linux N32 ABI.*/
+#if (defined _ABIN32 && _MIPS_SIM == _ABIN32)
+#define CVMX_ABI_N32
+/* Check for N64 ABI, defined for 64-bit Linux toolchain. */
+#elif (defined _ABI64 && _MIPS_SIM == _ABI64)
+#define CVMX_ABI_N64
+/* Check for O32 ABI, defined for Linux 032 ABI, not supported yet. */
+#elif (defined _ABIO32 && _MIPS_SIM == _ABIO32)
+#define CVMX_ABI_O32
+/* Check for EABI ABI, defined for 64-bit Simple Exec applications. */
+#else
+#define CVMX_ABI_EABI
+#endif
+
+#ifndef __BYTE_ORDER
+    #if defined(__BIG_ENDIAN) && !defined(__LITTLE_ENDIAN)
+        #define __BYTE_ORDER __BIG_ENDIAN
+    #elif !defined(__BIG_ENDIAN) && defined(__LITTLE_ENDIAN)
+        #define __BYTE_ORDER __LITTLE_ENDIAN
+        #define __BIG_ENDIAN 4321
+    #elif !defined(__BIG_ENDIAN) && !defined(__LITTLE_ENDIAN)
+        #define __BIG_ENDIAN 4321
+        #define __BYTE_ORDER __BIG_ENDIAN
+    #else
+        #error Unable to determine Endian mode
+    #endif
+#endif
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* __CVMX_ABI_H__ */