linux/include/asm-m68knommu/byteorder.h
Sebastian Siewior e872504b31 m68knommu: add byteswap assembly opcode for ISA A+
Signed-off-by: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2008-07-23 15:11:28 +10:00

27 lines
563 B
C

#ifndef _M68KNOMMU_BYTEORDER_H
#define _M68KNOMMU_BYTEORDER_H
#include <linux/types.h>
#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
# define __BYTEORDER_HAS_U64__
# define __SWAB_64_THRU_32__
#endif
#if defined (__mcfisaaplus__) || defined (__mcfisac__)
static inline __attribute_const__ __u32 ___arch__swab32(__u32 val)
{
asm(
"byterev %0"
: "=d" (val)
: "0" (val)
);
return val;
}
#define __arch__swab32(x) ___arch__swab32(x)
#endif
#include <linux/byteorder/big_endian.h>
#endif /* _M68KNOMMU_BYTEORDER_H */