git.oblomov.eu Git - linux-2.6/blob - include/asm-sparc64/byteorder.h

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