xnu-344.23.tar.gz

[apple/xnu.git] / osfmk / i386 / ntoh.s

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * @OSF_COPYRIGHT@
 */
/*
 * HISTORY
 * 
 * Revision 1.1.1.1  1998/09/22 21:05:37  wsanchez
 * Import of Mac OS X kernel (~semeria)
 *
 * Revision 1.1.1.1  1998/03/07 02:25:38  wsanchez
 * Import of OSF Mach kernel (~mburg)
 *
 * Revision 1.1.6.1  1994/09/23  01:59:41  ezf
 * 	change marker to not FREE
 * 	[1994/09/22  21:25:28  ezf]
 *
 * Revision 1.1.2.2  1993/06/02  23:26:45  jeffc
 * 	Added to OSF/1 R1.3 from NMK15.0.
 * 	[1993/06/02  21:06:38  jeffc]
 * 
 * Revision 1.1  1992/09/30  02:43:08  robert
 * 	Initial revision
 * 
 * $EndLog$
 */
/* CMU_HIST */
/*
 * Revision 2.4  91/05/14  16:12:50  mrt
 * 	Correcting copyright
 * 
 * Revision 2.3  91/02/14  15:04:55  mrt
 * 	Changed to new Mach copyright
 * 
 * 
 * Revision 2.2  90/05/03  15:34:56  dbg
 * 	First checkin.
 * 
 * 	New a.out and coff compatible .s files.
 * 	[89/10/16            rvb]
 *
 * Revision 1.3  89/02/26  12:35:37  gm0w
 * 	Changes for cleanup.
 * 
 * 16-Feb-89  Robert Baron (rvb) at Carnegie-Mellon University
 *	Created.
 *
 */
/* CMU_ENDHIST */
/* 
 * Mach Operating System
 * Copyright (c) 1991,1990,1989 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 * 
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 * 
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */
/*
 */

#include <i386/asm.h>

Entry(ntohl)
ENTRY(htonl)
	movl	4(%esp), %eax
	rorw	$8, %ax
	ror	$16,%eax
	rorw	$8, %ax
	ret


Entry(ntohs)
ENTRY(htons)
	movzwl	4(%esp), %eax
	rorw	$8, %ax
	ret