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292 jermar 1
/*
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 * Copyright (C) 2005 Jakub Jermar
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 * All rights reserved.
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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
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 * are 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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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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1702 cejka 29
 /** @addtogroup ppc32 
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 * @{
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 */
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/** @file
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 */
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342 jermar 35
#ifndef __ppc32_BYTEORDER_H__
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#define __ppc32_BYTEORDER_H__
292 jermar 37
 
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#include <arch/types.h>
338 jermar 39
#include <byteorder.h>
292 jermar 40
 
1298 vana 41
#define BIG_ENDIAN
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1780 jermar 43
static inline uint64_t uint64_t_le2host(uint64_t n)
338 jermar 44
{
1780 jermar 45
    return uint64_t_byteorder_swap(n);
338 jermar 46
}
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1780 jermar 49
/** Convert little-endian unative_t to host unative_t
292 jermar 50
 *
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 * Convert little-endian unative_t parameter to host endianess.
292 jermar 52
 *
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 * @param n Little-endian unative_t argument.
292 jermar 54
 *
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 * @return Result in host endianess.
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 *
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 */
1780 jermar 58
static inline unative_t unative_t_le2host(unative_t n)
332 palkovsky 59
{
1780 jermar 60
    uintptr_t v;
292 jermar 61
 
1267 decky 62
    asm volatile (
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        "lwbrx %0, %1, %2\n"
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        : "=r" (v)
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        : "i" (0), "r" (&n)
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    );
292 jermar 67
    return v;
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}
1267 decky 69
 
292 jermar 70
#endif
1702 cejka 71
 
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 /** @}
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 */
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