113 lines
3.7 KiB
C
113 lines
3.7 KiB
C
/***********************license start***************
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* Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights
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* reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Cavium Inc. nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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* This Software, including technical data, may be subject to U.S. export control
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* laws, including the U.S. Export Administration Act and its associated
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* regulations, and may be subject to export or import regulations in other
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* countries.
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
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* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
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* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
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* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
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* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
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* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
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* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
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* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
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* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
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***********************license end**************************************/
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/**
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* @file
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*
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* This file defines macros for use in determining the current calling ABI.
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*
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* <hr>$Revision: 70030 $<hr>
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*/
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#ifndef __CVMX_ABI_H__
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#define __CVMX_ABI_H__
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#if defined(__FreeBSD__) && defined(_KERNEL)
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#include <machine/endian.h>
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#else
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#ifndef __U_BOOT__
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#include <endian.h>
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#endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Check for N32 ABI, defined for 32-bit Simple Exec applications
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and Linux N32 ABI.*/
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#if (defined _ABIN32 && _MIPS_SIM == _ABIN32)
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#define CVMX_ABI_N32
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/* Check for N64 ABI, defined for 64-bit Linux toolchain. */
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#elif (defined _ABI64 && _MIPS_SIM == _ABI64)
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#define CVMX_ABI_N64
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/* Check for O32 ABI, defined for Linux 032 ABI, not supported yet. */
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#elif (defined _ABIO32 && _MIPS_SIM == _ABIO32)
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#define CVMX_ABI_O32
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/* Check for EABI ABI, defined for 64-bit Simple Exec applications. */
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#else
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#define CVMX_ABI_EABI
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#endif
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#ifndef __BYTE_ORDER
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#if defined(__BIG_ENDIAN) && !defined(__LITTLE_ENDIAN)
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#define __BYTE_ORDER __BIG_ENDIAN
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#elif !defined(__BIG_ENDIAN) && defined(__LITTLE_ENDIAN)
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#define __BYTE_ORDER __LITTLE_ENDIAN
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#define __BIG_ENDIAN 4321
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#elif !defined(__BIG_ENDIAN) && !defined(__LITTLE_ENDIAN)
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#define __BIG_ENDIAN 4321
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#define __BYTE_ORDER __BIG_ENDIAN
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#else
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#error Unable to determine Endian mode
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#endif
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#endif
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/* For compatibility with Linux definitions... */
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#if __BYTE_ORDER == __BIG_ENDIAN
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# ifndef __BIG_ENDIAN_BITFIELD
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# define __BIG_ENDIAN_BITFIELD
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# endif
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#else
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# ifndef __LITTLE_ENDIAN_BITFIELD
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# define __LITTLE_ENDIAN_BITFIELD
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# endif
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#endif
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#if defined(__BIG_ENDIAN_BITFIELD) && defined(__LITTLE_ENDIAN_BITFIELD)
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# error Cannot define both __BIG_ENDIAN_BITFIELD and __LITTLE_ENDIAN_BITFIELD
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CVMX_ABI_H__ */
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