18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci#ifndef _PPC_BOOT_SWAB_H_ 38c2ecf20Sopenharmony_ci#define _PPC_BOOT_SWAB_H_ 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_cistatic inline u16 swab16(u16 x) 68c2ecf20Sopenharmony_ci{ 78c2ecf20Sopenharmony_ci return ((x & (u16)0x00ffU) << 8) | 88c2ecf20Sopenharmony_ci ((x & (u16)0xff00U) >> 8); 98c2ecf20Sopenharmony_ci} 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_cistatic inline u32 swab32(u32 x) 128c2ecf20Sopenharmony_ci{ 138c2ecf20Sopenharmony_ci return ((x & (u32)0x000000ffUL) << 24) | 148c2ecf20Sopenharmony_ci ((x & (u32)0x0000ff00UL) << 8) | 158c2ecf20Sopenharmony_ci ((x & (u32)0x00ff0000UL) >> 8) | 168c2ecf20Sopenharmony_ci ((x & (u32)0xff000000UL) >> 24); 178c2ecf20Sopenharmony_ci} 188c2ecf20Sopenharmony_ci 198c2ecf20Sopenharmony_cistatic inline u64 swab64(u64 x) 208c2ecf20Sopenharmony_ci{ 218c2ecf20Sopenharmony_ci return (u64)((x & (u64)0x00000000000000ffULL) << 56) | 228c2ecf20Sopenharmony_ci (u64)((x & (u64)0x000000000000ff00ULL) << 40) | 238c2ecf20Sopenharmony_ci (u64)((x & (u64)0x0000000000ff0000ULL) << 24) | 248c2ecf20Sopenharmony_ci (u64)((x & (u64)0x00000000ff000000ULL) << 8) | 258c2ecf20Sopenharmony_ci (u64)((x & (u64)0x000000ff00000000ULL) >> 8) | 268c2ecf20Sopenharmony_ci (u64)((x & (u64)0x0000ff0000000000ULL) >> 24) | 278c2ecf20Sopenharmony_ci (u64)((x & (u64)0x00ff000000000000ULL) >> 40) | 288c2ecf20Sopenharmony_ci (u64)((x & (u64)0xff00000000000000ULL) >> 56); 298c2ecf20Sopenharmony_ci} 308c2ecf20Sopenharmony_ci#endif /* _PPC_BOOT_SWAB_H_ */ 31