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https://github.com/DaedalusX64/daedalus.git
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65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/*
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Copyright (C) 2008 StrmnNrmn
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#pragma once
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#include "Base/Types.h"
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#ifndef UTILITY_ENDIAN_H_
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#define UTILITY_ENDIAN_H_
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#ifdef DAEDALUS_ENDIAN_BIG
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#define U8_TWIDDLE 0x0
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#define U16_TWIDDLE 0x0
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#define U16H_TWIDDLE 0x0
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#define BSWAP32(x) x
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#define BSWAP16(x) x
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#elif DAEDALUS_ENDIAN_LITTLE
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#define U8_TWIDDLE 0x3
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#define U16_TWIDDLE 0x2
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#define U16H_TWIDDLE 0x1
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#if defined( __GNUC__ ) && !defined(__clang__)
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#ifdef DAEDALUS_PSP
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#define BSWAP32(x) __builtin_allegrex_wsbw(x)
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#define BSWAP16(x) __builtin_allegrex_wsbh(x)
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#define WSWAP32(x) __builtin_allegrex_rotr(x, 16)
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#else
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#define BSWAP32(x) __builtin_bswap32(x)
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#define BSWAP16(x) __builtin_bswap16(x)
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#endif
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#elif defined( _MSC_VER )
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#define BSWAP32(x) _byteswap_ulong(x)
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#define BSWAP16(x) _byteswap_ushort(x)
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#else
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//TODO: Clang?
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#define BSWAP32(x) ((x >> 24) | ((x >> 8) & 0xFF00) | ((x & 0xFF00) << 8) | (x << 24))
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#define BSWAP16(x) ((x>>8)|(x<<8))
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#endif
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#else
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#error No DAEDALUS_ENDIAN_MODE specified
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#endif
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#endif // UTILITY_ENDIAN_H_
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