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Diffstat (limited to 'sys/alpha/include/endian.h')
| -rw-r--r-- | sys/alpha/include/endian.h | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/sys/alpha/include/endian.h b/sys/alpha/include/endian.h deleted file mode 100644 index 974ce16..0000000 --- a/sys/alpha/include/endian.h +++ /dev/null @@ -1,127 +0,0 @@ -/*- - * Copyright (c) 1987, 1991, 1993 - * The Regents of the University of California. 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. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. - * - * @(#)endian.h 8.1 (Berkeley) 6/10/93 - * $NetBSD: endian.h,v 1.5 1997/10/09 15:42:19 bouyer Exp $ - * $FreeBSD$ - */ - -#ifndef _MACHINE_ENDIAN_H_ -#define _MACHINE_ENDIAN_H_ - -#include <sys/cdefs.h> -#include <sys/_types.h> - -/* - * Define the order of 32-bit words in 64-bit words. - */ -#define _QUAD_HIGHWORD 1 -#define _QUAD_LOWWORD 0 - -/* - * Definitions for byte order, according to byte significance from low - * address to high. - */ -#define _LITTLE_ENDIAN 1234 /* LSB first: i386, vax */ -#define _BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */ -#define _PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */ - -#define _BYTE_ORDER _LITTLE_ENDIAN - -/* - * Deprecated variants that don't have enough underscores to be useful in more - * strict namespaces. - */ -#if __BSD_VISIBLE -#define LITTLE_ENDIAN _LITTLE_ENDIAN -#define BIG_ENDIAN _BIG_ENDIAN -#define PDP_ENDIAN _PDP_ENDIAN -#define BYTE_ORDER _BYTE_ORDER -#endif - -#if defined(__CC_SUPPORTS___INLINE) && defined(__GNUCLIKE_ASM) - -static __inline __uint64_t -__bswap64(__uint64_t _x) -{ - - return ((_x >> 56) | ((_x >> 40) & 0xff00) | ((_x >> 24) & 0xff0000) | - ((_x >> 8) & 0xff000000) | ((_x << 8) & ((__uint64_t)0xff << 32)) | - ((_x << 24) & ((__uint64_t)0xff << 40)) | - ((_x << 40) & ((__uint64_t)0xff << 48)) | ((_x << 56))); -} - -static __inline __uint32_t -__bswap32(__uint32_t _x) -{ - __uint32_t __r; - - __asm __volatile__ ( - "insbl %1, 3, $1\n\t" - "extbl %1, 1, $2\n\t" - "extbl %1, 2, $3\n\t" - "extbl %1, 3, $4\n\t" - "sll $2, 16, $2\n\t" - "sll $3, 8, $3\n\t" - "or $4, $1, %0\n\t" - "or $2, $3, $2\n\t" - "or $2, %0, %0" - : "=r" (__r) : "r" (_x) : "$1", "$2", "$3", "$4"); - return (__r); -} - -static __inline __uint16_t -__bswap16(__uint16_t _x) -{ - __uint16_t __r; - - __asm __volatile__ ( - "insbl %1, 1, $1\n\t" - "extbl %1, 1, $2\n\t" - "or $1, $2, %0" - : "=r" (__r) : "r" (_x) : "$1", "$2"); - return (__r); -} - -#define __htonl(x) __bswap32(x) -#define __htons(x) __bswap16(x) -#define __ntohl(x) __bswap32(x) -#define __ntohs(x) __bswap16(x) - -#else /* !(__CC_SUPPORTS___INLINE && __GNUCLIKE_ASM) */ - -/* - * No optimizations are available for this compiler. Fall back to - * non-optimized functions by defining the constant usually used to prevent - * redefinition. - */ -#define _BYTEORDER_FUNC_DEFINED - -#endif /* __CC_SUPPORTS___INLINE && __GNUCLIKE_ASM */ - -#endif /* !_MACHINE_ENDIAN_H_ */ |
