50 lines
1.6 KiB
ArmAsm
50 lines
1.6 KiB
ArmAsm
/* $NetBSD: byte_swap_4.S,v 1.2 1999/02/01 21:32:35 matthias Exp $ */
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/*
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* Mach Operating System
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* Copyright (c) 1992 Carnegie Mellon University
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* Copyright (c) 1992 Helsinki University of Technology
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON AND HELSINKI UNIVERSITY OF TECHNOLOGY ALLOW FREE USE
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* OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON AND
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* HELSINKI UNIVERSITY OF TECHNOLOGY DISCLAIM ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie Mellon
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* the rights to redistribute these changes.
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*/
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/*
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* HISTORY
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* 11-May-92 Johannes Helander (jvh) at Helsinki University of Technology
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* Created.
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*/
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#include <machine/asm.h>
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#if defined(LIBC_SCCS)
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RCSID("$NetBSD: byte_swap_4.S,v 1.2 1999/02/01 21:32:35 matthias Exp $")
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#endif
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KENTRY(__bswap32, 4)
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movd S_ARG0,r0
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rotw 8,r0
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rotd 16,r0
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rotw 8,r0
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ret ARGS
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ALTENTRY(ntohl,__bswap32)
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ALTENTRY(htonl,__bswap32)
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