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[/] [or1k/] [tags/] [MW_0_8_9PRE7/] [mw/] [src/] [include/] [swap.h] - Rev 1765
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/* * Copyright (c) 2001 Greg Haerr <greg@censoft.com> * * Byte and word swapping header file for big/little endian mapping */ #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