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