include/asm-sparc64/byteorder.h

   1 /* $Id: byteorder.h,v 1.8 1997/12/18 02:44:14 ecd Exp $ */
   2 #ifndef _SPARC64_BYTEORDER_H
   3 #define _SPARC64_BYTEORDER_H
   4
   5 #include <asm/types.h>
   6 #include <asm/asi.h>
   7
   8 #ifdef __GNUC__
   9
  10 static __inline__ __u16 ___arch__swab16p(const __u16 *addr)
  11 {
  12         __u16 ret;
  13
  14         __asm__ __volatile__ ("lduha [%1] %2, %0"
  15                               : "=r" (ret)
  16                               : "r" (addr), "i" (ASI_PL));
  17         return ret;
  18 }
  19
  20 static __inline__ __u32 ___arch__swab32p(const __u32 *addr)
  21 {
  22         __u32 ret;
  23
  24         __asm__ __volatile__ ("lduwa [%1] %2, %0"
  25                               : "=r" (ret)
  26                               : "r" (addr), "i" (ASI_PL));
  27         return ret;
  28 }
  29
  30 static __inline__ __u64 ___arch__swab64p(const __u64 *addr)
  31 {
  32         __u64 ret;
  33
  34         __asm__ __volatile__ ("ldxa [%1] %2, %0"
  35                               : "=r" (ret)
  36                               : "r" (addr), "i" (ASI_PL));
  37         return ret;
  38 }
  39
  40 #define __arch__swab16p(x) ___arch__swab16p(x)
  41 #define __arch__swab32p(x) ___arch__swab32p(x)
  42 #define __arch__swab64p(x) ___arch__swab64p(x)
  43
  44 #define __BYTEORDER_HAS_U64__
  45
  46 #endif /* __GNUC__ */
  47
  48 #include <linux/byteorder/big_endian.h>
  49
  50 #endif /* _SPARC64_BYTEORDER_H */