LXR linux/arch/powerpc/boot/swab.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _PPC_BOOT_SWAB_H_
   3#define _PPC_BOOT_SWAB_H_
   4
   5static inline u16 swab16(u16 x)
   6{
   7        return  ((x & (u16)0x00ffU) << 8) |
   8                ((x & (u16)0xff00U) >> 8);
   9}
  10
  11static inline u32 swab32(u32 x)
  12{
  13        return  ((x & (u32)0x000000ffUL) << 24) |
  14                ((x & (u32)0x0000ff00UL) <<  8) |
  15                ((x & (u32)0x00ff0000UL) >>  8) |
  16                ((x & (u32)0xff000000UL) >> 24);
  17}
  18
  19static inline u64 swab64(u64 x)
  20{
  21        return  (u64)((x & (u64)0x00000000000000ffULL) << 56) |
  22                (u64)((x & (u64)0x000000000000ff00ULL) << 40) |
  23                (u64)((x & (u64)0x0000000000ff0000ULL) << 24) |
  24                (u64)((x & (u64)0x00000000ff000000ULL) <<  8) |
  25                (u64)((x & (u64)0x000000ff00000000ULL) >>  8) |
  26                (u64)((x & (u64)0x0000ff0000000000ULL) >> 24) |
  27                (u64)((x & (u64)0x00ff000000000000ULL) >> 40) |
  28                (u64)((x & (u64)0xff00000000000000ULL) >> 56);
  29}
  30#endif /* _PPC_BOOT_SWAB_H_ */
  31