arch/ia64/include/uapi/asm/swab.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _ASM_IA64_SWAB_H
   3 #define _ASM_IA64_SWAB_H
   4
   5 /*
   6  * Modified 1998, 1999
   7  *      David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co.
   8  */
   9
  10 #include <linux/types.h>
  11 #include <asm/intrinsics.h>
  12 #include <linux/compiler.h>
  13
  14 static __inline__ __attribute_const__ __u64 __arch_swab64(__u64 x)
  15 {
  16         __u64 result;
  17
  18         result = ia64_mux1(x, ia64_mux1_rev);
  19         return result;
  20 }
  21 #define __arch_swab64 __arch_swab64
  22
  23 static __inline__ __attribute_const__ __u32 __arch_swab32(__u32 x)
  24 {
  25         return __arch_swab64(x) >> 32;
  26 }
  27 #define __arch_swab32 __arch_swab32
  28
  29 static __inline__ __attribute_const__ __u16 __arch_swab16(__u16 x)
  30 {
  31         return __arch_swab64(x) >> 48;
  32 }
  33 #define __arch_swab16 __arch_swab16
  34
  35 #endif /* _ASM_IA64_SWAB_H */