1/***********************license start***************
2 * Copyright (c) 2003-2010  Cavium Networks (support@cavium.com). All rights
3 * reserved.
4 *
5 *
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7 * modification, are permitted provided that the following conditions are
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14 *     copyright notice, this list of conditions and the following
15 *     disclaimer in the documentation and/or other materials provided
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22
23 * This Software, including technical data, may be subject to U.S. export  control
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28 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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37 * PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
38 ***********************license end**************************************/
39
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44
45
46/**
47 * @file
48 *
49 * This file defines macros for use in determining the current calling ABI.
50 *
51 * <hr>$Revision: 49448 $<hr>
52*/
53
54#ifndef __CVMX_ABI_H__
55#define __CVMX_ABI_H__
56
57#ifdef	__cplusplus
58extern "C" {
59#endif
60
61/* Check for N32 ABI, defined for 32-bit Simple Exec applications
62   and Linux N32 ABI.*/
63#if (defined _ABIN32 && _MIPS_SIM == _ABIN32)
64#define CVMX_ABI_N32
65/* Check for N64 ABI, defined for 64-bit Linux toolchain. */
66#elif (defined _ABI64 && _MIPS_SIM == _ABI64)
67#define CVMX_ABI_N64
68/* Check for O32 ABI, defined for Linux 032 ABI, not supported yet. */
69#elif (defined _ABIO32 && _MIPS_SIM == _ABIO32)
70#define CVMX_ABI_O32
71/* Check for EABI ABI, defined for 64-bit Simple Exec applications. */
72#else
73#define CVMX_ABI_EABI
74#endif
75
76#ifndef __BYTE_ORDER
77    #if defined(__BIG_ENDIAN) && !defined(__LITTLE_ENDIAN)
78        #define __BYTE_ORDER __BIG_ENDIAN
79    #elif !defined(__BIG_ENDIAN) && defined(__LITTLE_ENDIAN)
80        #define __BYTE_ORDER __LITTLE_ENDIAN
81        #define __BIG_ENDIAN 4321
82    #elif !defined(__BIG_ENDIAN) && !defined(__LITTLE_ENDIAN)
83        #define __BIG_ENDIAN 4321
84        #define __BYTE_ORDER __BIG_ENDIAN
85    #else
86        #error Unable to determine Endian mode
87    #endif
88#endif
89
90#ifdef	__cplusplus
91}
92#endif
93
94#endif /* __CVMX_ABI_H__ */
95