diff options
Diffstat (limited to '8/platforms/android-14/arch-x86/usr/include/machine/endian.h')
| -rw-r--r-- | 8/platforms/android-14/arch-x86/usr/include/machine/endian.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/8/platforms/android-14/arch-x86/usr/include/machine/endian.h b/8/platforms/android-14/arch-x86/usr/include/machine/endian.h new file mode 100644 index 0000000..e7ad257 --- /dev/null +++ b/8/platforms/android-14/arch-x86/usr/include/machine/endian.h @@ -0,0 +1,71 @@ +/* $OpenBSD: endian.h,v 1.14 2005/12/13 00:35:23 millert Exp $ */ + +/*- + * Copyright (c) 1997 Niklas Hallqvist. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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 AUTHOR ``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 AUTHOR 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 _I386_ENDIAN_H_ +#define _I386_ENDIAN_H_ + +#ifdef __GNUC__ + +#if defined(_KERNEL) && !defined(I386_CPU) +#define __swap32md(x) ({ \ + uint32_t __swap32md_x = (x); \ + \ + __asm ("bswap %1" : "+r" (__swap32md_x)); \ + __swap32md_x; \ +}) +#else +#define __swap32md(x) ({ \ + uint32_t __swap32md_x = (x); \ + \ + __asm ("rorw $8, %w1; rorl $16, %1; rorw $8, %w1" : \ + "+r" (__swap32md_x)); \ + __swap32md_x; \ +}) +#endif /* _KERNEL && !I386_CPU */ + +#define __swap64md(x) ({ \ + uint64_t __swap64md_x = (x); \ + \ + (uint64_t)__swap32md(__swap64md_x >> 32) | \ + (uint64_t)__swap32md(__swap64md_x & 0xffffffff) << 32; \ +}) +#define __swap16md(x) ({ \ + uint16_t __swap16md_x = (x); \ + \ + __asm ("rorw $8, %w1" : "+r" (__swap16md_x)); \ + __swap16md_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 /* _I386_ENDIAN_H_ */ |