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/*

 *  COPYRIGHT (c) 1998 by Radstone Technology

 *

 *

 * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY

 * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK

 * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU.

 *

 * You are hereby granted permission to use, copy, modify, and distribute

 * this file, provided that this notice, plus the above copyright notice

 * and disclaimer, appears in all copies. Radstone Technology will provide

 * no support for this code.

 *

 */

#include <rtems.h>

/*

 *  JRS - February 20, 1998

 *

 *  There is a swap32 in each port.  So this should be removed.

 *

 *  Adding a swap16 to the port would be useful.

 *

 *  The end of all this would be to remove this file.

 */

inline unsigned int Swap32(

        unsigned32 ulValue

)

{

        unsigned32 ulSwapped;

        asm volatile(

                "rlwimi %0,%1,8,24,31;"

                "rlwimi %0,%1,24,16,23;"

                "rlwimi %0,%1,8,8,15;"

                "rlwimi %0,%1,24,0,7;" :

                "=&r" ((ulSwapped)) :

                "r" ((ulValue))

        );

        return( ulSwapped );

}

inline unsigned int Swap16(

        unsigned16 usValue

)

{

        unsigned16 usSwapped;

        asm volatile(

                "rlwimi %0,%1,24,24,31;"

                "rlwimi %0,%1,8,16,23;" :

                "=&r" ((usSwapped)) :

                "r" ((usValue))

        );

        return( usSwapped );

}