cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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swab.h (855B)

      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_ */