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#ifndef _PARISC_BYTEORDER_H

#define _PARISC_BYTEORDER_H

#include <asm/types.h>

#ifdef __GNUC__

static __inline__ __const__ __u32 ___arch__swab32(__u32 x)

{

        unsigned int temp;

        __asm__("shd %0, %0, 16, %1\n\t"        /* shift abcdabcd -> cdab */

                "dep %1, 15, 8, %1\n\t"         /* deposit cdab -> cbab */

                "shd %0, %1, 8, %0"             /* shift abcdcbab -> dcba */

                : "=r" (x), "=&r" (temp)

                : "0" (x));

        return x;

}

#if BITS_PER_LONG > 32

/*

** From "PA-RISC 2.0 Architecture", HP Professional Books.

** See Appendix I page 8 , "Endian Byte Swapping".

**

** Pretty cool algorithm: (* == zero'd bits)

**      PERMH   01234567 -> 67452301 into %0

**      HSHL    67452301 -> 7*5*3*1* into %1

**      HSHR    67452301 -> *6*4*2*0 into %0

**      OR      %0 | %1  -> 76543210 into %0 (all done!)

*/

static __inline__ __const__ __u64 ___arch__swab64(__u64 x) {

        __u64 temp;

        __asm__("permh 3210, %0, %0\n\t"

                "hshl %0, 8, %1\n\t"

                "hshr u, %0, 8, %0\n\t"

                "or %1, %0, %0"

                : "=r" (x), "=&r" (temp)

                : "0" (x));

        return x;

}

#define __arch__swab64(x) ___arch__swab64(x)

#else

static __inline__ __const__ __u64 ___arch__swab64(__u64 x)

{

        __u32 t1 = (__u32) x;

        __u32 t2 = (__u32) ((x) >> 32);

        ___arch__swab32(t1);

        ___arch__swab32(t2);

        return (((__u64) t1 << 32) + ((__u64) t2));

}

#endif

static __inline__ __const__ __u16 ___arch__swab16(__u16 x)

{

        __asm__("dep %0, 15, 8, %0\n\t"         /* deposit 00ab -> 0bab */

                "shd %r0, %0, 8, %0"            /* shift 000000ab -> 00ba */

                : "=r" (x)

                : "0" (x));

        return x;

}

#define __arch__swab32(x) ___arch__swab32(x)

#define __arch__swab16(x) ___arch__swab16(x)

#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)

#  define __BYTEORDER_HAS_U64__

#  define __SWAB_64_THRU_32__

#endif

#endif /* __GNUC__ */

#include <linux/byteorder/big_endian.h>

#endif /* _PARISC_BYTEORDER_H */