blob: 4743733633b4eb4aa362feca995da83d14e95b7f [file] [log] [blame]
Serban Constantinescue2104882013-09-26 11:37:10 +01001/*
2 * Copyright (C) 2013 The Android Open Source Project
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 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _AARCH64_ENDIAN_H_
30#define _AARCH64_ENDIAN_H_
31
Serban Constantinescue2104882013-09-26 11:37:10 +010032#ifdef __GNUC__
33
34#define __swap16md(x) ({ \
35 register u_int16_t _x = (x); \
36 __asm volatile ("rev16 %0, %0" : "+r" (_x)); \
37 _x; \
38})
39
40/* Use GCC builtins */
41#define __swap32md(x) __builtin_bswap32(x)
42#define __swap64md(x) __builtin_bswap64(x)
43
44/* Tell sys/endian.h we have MD variants of the swap macros. */
45#define MD_SWAP
46
47#endif /* __GNUC__ */
48
Serban Constantinescue2104882013-09-26 11:37:10 +010049#define _BYTE_ORDER _LITTLE_ENDIAN
Elliott Hughesee369fb2014-11-21 18:34:36 -080050#include <sys/types.h>
51#include <sys/endian.h>
Serban Constantinescue2104882013-09-26 11:37:10 +010052
53#endif /* _AARCH64_ENDIAN_H_ */