source: mainline/kernel/generic/include/byteorder.h@ df4ed85

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since df4ed85 was df4ed85, checked in by Jakub Jermar <jakub@…>, 18 years ago

© versus ©

  • Property mode set to 100644
File size: 2.0 KB
Line 
1/*
2 * Copyright (c) 2005 Jakub Jermar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup generic
30 * @{
31 */
32/** @file
33 */
34
35#ifndef KERN_BYTEORDER_H_
36#define KERN_BYTEORDER_H_
37
38static inline uint64_t uint64_t_byteorder_swap(uint64_t n)
39{
40 return ((n & 0xff) << 56) |
41 ((n & 0xff00) << 40) |
42 ((n & 0xff0000) << 24) |
43 ((n & 0xff000000LL) << 8) |
44 ((n & 0xff00000000LL) >> 8) |
45 ((n & 0xff0000000000LL) >> 24) |
46 ((n & 0xff000000000000LL) >> 40) |
47 ((n & 0xff00000000000000LL) >> 56);
48}
49
50static inline uint32_t uint32_t_byteorder_swap(uint32_t n)
51{
52 return ((n & 0xff) << 24) |
53 ((n & 0xff00) << 8) |
54 ((n & 0xff0000) >> 8) |
55 ((n & 0xff000000) >> 24);
56}
57
58#endif
59
60/** @}
61 */
Note: See TracBrowser for help on using the repository browser.