cvmx-abi.h revision 210284 
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38
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42
43
44/**
45 * @file
46 *
47 * This file defines macros for use in determining the current calling ABI.
48 *
49 * <hr>$Revision: 41586 $<hr>
50*/
51
52#ifndef __CVMX_ABI_H__
53#define __CVMX_ABI_H__
54
55#ifdef	__cplusplus
56extern "C" {
57#endif
58
59/* Check for N32 ABI, defined for 32-bit Simple Exec applications
60   and Linux N32 ABI.*/
61#if (defined _ABIN32 && _MIPS_SIM == _ABIN32)
62#define CVMX_ABI_N32
63/* Check for N64 ABI, defined for 64-bit Linux toolchain. */
64#elif (defined _ABI64 && _MIPS_SIM == _ABI64)
65#define CVMX_ABI_N64
66/* Check for O32 ABI, defined for Linux 032 ABI, not supported yet. */
67#elif (defined _ABIO32 && _MIPS_SIM == _ABIO32)
68#define CVMX_ABI_O32
69/* Check for EABI ABI, defined for 64-bit Simple Exec applications. */
70#else
71#define CVMX_ABI_EABI
72#endif
73
74#ifndef __BYTE_ORDER
75    #if defined(__BIG_ENDIAN) && !defined(__LITTLE_ENDIAN)
76        #define __BYTE_ORDER __BIG_ENDIAN
77    #elif !defined(__BIG_ENDIAN) && defined(__LITTLE_ENDIAN)
78        #define __BYTE_ORDER __LITTLE_ENDIAN
79        #define __BIG_ENDIAN 4321
80    #elif !defined(__BIG_ENDIAN) && !defined(__LITTLE_ENDIAN)
81        #define __BIG_ENDIAN 4321
82        #define __BYTE_ORDER __BIG_ENDIAN
83    #else
84        #error Unable to determine Endian mode
85    #endif
86#endif
87
88#ifdef	__cplusplus
89}
90#endif
91
92#endif /* __CVMX_ABI_H__ */
93