45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2021 Aidan MacDonald
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*
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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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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef __MIPSR2_ENDIAN_H__
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#define __MIPSR2_ENDIAN_H__
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#include <stdint.h>
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static inline uint32_t swap32_hw(uint32_t value)
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{
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register uint32_t out;
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__asm__ ("wsbh %0, %1\n"
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"rotr %0, %0, 16\n"
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: "=r"(out) : "r"(value));
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return out;
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}
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static inline uint16_t swap16_hw(uint16_t value)
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{
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register uint32_t out, in;
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in = value;
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__asm__ ("wsbh %0, %1" : "=r"(out) : "r"(in));
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return (uint16_t)out;
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}
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#endif /* __MIPSR2_ENDIAN_H__ */
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