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/*

 * Copyright (c) 2001 Greg Haerr <greg@censoft.com>

 *

 * Byte and word swapping header file for big/little endian mapping

 */

#ifdef __ECOS

// FIXME!

#define wswap(x)        (x)

#define dwswap(x)       (x)

#define dwread(addr)    (*(unsigned long *)(addr))

#else

#include <endian.h>

#include <byteswap.h>

#if __BYTE_ORDER == __BIG_ENDIAN

#define wswap(x)        bswap_16(x)

#define dwswap(x)       bswap_32(x)

/* read little endian format from buffer*/

#define dwread(addr)    ((*(unsigned char *)(addr)) | \

                         (*(unsigned char *)(addr+1) << 8) | \

                         (*(unsigned char *)(addr+2) << 16) | \

                         (*(unsigned char *)(addr+3) << 24))

#else

/* little endian - no action required*/

#define wswap(x)        (x)

#define dwswap(x)       (x)

#define dwread(addr)    (*(unsigned long *)(addr))

#endif

#endif