| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) 2002 by Alan Korr |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ****************************************************************************/ |
| #ifndef _ENDIAN_H_ |
| #define _ENDIAN_H_ |
| |
| #ifndef _RBENDIAN_H_ |
| /* this only defines what may be substituted in the native endian.h */ |
| #error "Include rbendian.h instead." |
| #endif |
| |
| #define __ENDIAN_H_NATIVE_RB |
| |
| #ifdef NEED_GENERIC_BYTESWAPS |
| static inline uint16_t swap16_hw(uint16_t value) |
| /* |
| * result[15..8] = value[ 7..0]; |
| * result[ 7..0] = value[15..8]; |
| */ |
| { |
| return (value >> 8) | (value << 8); |
| } |
| |
| static inline uint32_t swap32_hw(uint32_t value) |
| /* |
| * result[31..24] = value[ 7.. 0]; |
| * result[23..16] = value[15.. 8]; |
| * result[15.. 8] = value[23..16]; |
| * result[ 7.. 0] = value[31..24]; |
| */ |
| { |
| uint32_t hi = swap16_hw(value >> 16); |
| uint32_t lo = swap16_hw(value & 0xffff); |
| return (lo << 16) | hi; |
| } |
| #endif /* NEED_GENERIC_BYTESWAPS */ |
| |
| static FORCE_INLINE uint64_t swap64_hw(uint64_t x) |
| { return swap32_hw((uint32_t)(x >> 32)) | |
| ((uint64_t)swap32_hw((uint32_t)x) << 32); } |
| |
| #endif /* _ENDIAN_H_ */ |