include/asm-cris/arch-v10/byteorder.h

   1 #ifndef _CRIS_ARCH_BYTEORDER_H
   2 #define _CRIS_ARCH_BYTEORDER_H
   3
   4 #include <asm/types.h>
   5 #include <linux/compiler.h>
   6
   7 /* we just define these two (as we can do the swap in a single
   8  * asm instruction in CRIS) and the arch-independent files will put
   9  * them together into ntohl etc.
  10  */
  11
  12 extern __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
  13 {
  14         __asm__ ("swapwb %0" : "=r" (x) : "0" (x));
  15
  16         return(x);
  17 }
  18
  19 extern __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
  20 {
  21         __asm__ ("swapb %0" : "=r" (x) : "0" (x));
  22
  23         return(x);
  24 }
  25
  26 #endif