git.oblomov.eu Git - linux-2.6/blob - include/asm-sparc/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 #ifdef __GNUC__
   8
   9 #ifdef CONFIG_SPARC32
  10 #define __SWAB_64_THRU_32__
  11 #endif
  12
  13 #ifdef CONFIG_SPARC64
  14
  15 static inline __u16 ___arch__swab16p(const __u16 *addr)
  16 {
  17         __u16 ret;
  18
  19         __asm__ __volatile__ ("lduha [%1] %2, %0"
  20                               : "=r" (ret)
  21                               : "r" (addr), "i" (ASI_PL));
  22         return ret;
  23 }
  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
  35 static inline __u64 ___arch__swab64p(const __u64 *addr)
  36 {
  37         __u64 ret;
  38
  39         __asm__ __volatile__ ("ldxa [%1] %2, %0"
  40                               : "=r" (ret)
  41                               : "r" (addr), "i" (ASI_PL));
  42         return ret;
  43 }
  44
  45 #define __arch__swab16p(x) ___arch__swab16p(x)
  46 #define __arch__swab32p(x) ___arch__swab32p(x)
  47 #define __arch__swab64p(x) ___arch__swab64p(x)
  48
  49 #endif /* CONFIG_SPARC64 */
  50
  51 #define __BYTEORDER_HAS_U64__
  52
  53 #endif
  54
  55 #include <linux/byteorder/big_endian.h>
  56
  57 #endif /* _SPARC_BYTEORDER_H */