arch/sparc/include/asm/byteorder.h

   1 #ifndef _SPARC_BYTEORDER_H
   2 #define _SPARC_BYTEORDER_H
   3
   4 #include <asm/types.h>
   5 #include <asm/asi.h>
   6
   7 #define __BIG_ENDIAN
   8
   9 #ifdef CONFIG_SPARC32
  10 #define __SWAB_64_THRU_32__
  11 #endif
  12
  13 #ifdef CONFIG_SPARC64
  14 static inline __u16 __arch_swab16p(const __u16 *addr)
  15 {
  16         __u16 ret;
  17
  18         __asm__ __volatile__ ("lduha [%1] %2, %0"
  19                               : "=r" (ret)
  20                               : "r" (addr), "i" (ASI_PL));
  21         return ret;
  22 }
  23 #define __arch_swab16p __arch_swab16p
  24
  25 static inline __u32 __arch_swab32p(const __u32 *addr)
  26 {
  27         __u32 ret;
  28
  29         __asm__ __volatile__ ("lduwa [%1] %2, %0"
  30                               : "=r" (ret)
  31                               : "r" (addr), "i" (ASI_PL));
  32         return ret;
  33 }
  34 #define __arch_swab32p __arch_swab32p
  35
  36 static inline __u64 __arch_swab64p(const __u64 *addr)
  37 {
  38         __u64 ret;
  39
  40         __asm__ __volatile__ ("ldxa [%1] %2, %0"
  41                               : "=r" (ret)
  42                               : "r" (addr), "i" (ASI_PL));
  43         return ret;
  44 }
  45 #define __arch_swab64p __arch_swab64p
  46
  47 #endif /* CONFIG_SPARC64 */
  48
  49 #include <linux/byteorder.h>
  50
  51 #endif /* _SPARC_BYTEORDER_H */