| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #ifndef _AARCH64_ENDIAN_H_ |
| #define _AARCH64_ENDIAN_H_ |
| |
| #ifdef __GNUC__ |
| |
| #define __swap16md(x) ({ \ |
| register u_int16_t _x = (x); \ |
| __asm volatile ("rev16 %0, %0" : "+r" (_x)); \ |
| _x; \ |
| }) |
| |
| /* Use GCC builtins */ |
| #define __swap32md(x) __builtin_bswap32(x) |
| #define __swap64md(x) __builtin_bswap64(x) |
| |
| /* Tell sys/endian.h we have MD variants of the swap macros. */ |
| #define MD_SWAP |
| |
| #endif /* __GNUC__ */ |
| |
| #define _BYTE_ORDER _LITTLE_ENDIAN |
| #include <sys/types.h> |
| #include <sys/endian.h> |
| |
| #endif /* _AARCH64_ENDIAN_H_ */ |
