| 1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== |
| 3 | * |
| 4 | * OpenSPARC T2 Processor File: byteswap.h |
| 5 | * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
| 6 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
| 7 | * |
| 8 | * The above named program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public |
| 10 | * License version 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * The above named program is distributed in the hope that it will be |
| 13 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public |
| 18 | * License along with this work; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
| 20 | * |
| 21 | * ========== Copyright Header End ============================================ |
| 22 | */ |
| 23 | #ifndef _BYTESWAP_H |
| 24 | #define _BYTESWAP_H |
| 25 | |
| 26 | #if defined(ARCH_AMD64) |
| 27 | |
| 28 | #include <sys/types.h> |
| 29 | extern "C" uint16_t byteswap16( uint16_t v ); |
| 30 | extern "C" uint32_t byteswap32(uint32_t v); |
| 31 | extern "C" uint64_t byteswap64(uint64_t v); |
| 32 | |
| 33 | #define flip_endian16(a) byteswap16(a) |
| 34 | #define flip_endian32(a) byteswap32(a) |
| 35 | #define flip_endian64(a) byteswap64(a) |
| 36 | |
| 37 | #else |
| 38 | |
| 39 | #define flip_endian16(a) a |
| 40 | #define flip_endian32(a) a |
| 41 | #define flip_endian64(a) a |
| 42 | |
| 43 | #endif |
| 44 | |
| 45 | #endif |