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      1  1.5  riastrad /*	$NetBSD: bswap64.S,v 1.5 2014/03/18 18:20:35 riastradh Exp $	*/
      2  1.1  christos 
      3  1.1  christos /*
      4  1.1  christos  * Copyright (C) 1996 Scott Reynolds.  All rights reserved.
      5  1.1  christos  *
      6  1.1  christos  * Redistribution and use in source and binary forms, with or without
      7  1.1  christos  * modification, are permitted provided that the following conditions
      8  1.1  christos  * are met:
      9  1.1  christos  * 1. Redistributions of source code must retain the above copyright
     10  1.1  christos  *    notice, this list of conditions and the following disclaimer.
     11  1.1  christos  * 2. Redistributions in binary form must reproduce the above copyright
     12  1.1  christos  *    notice, this list of conditions and the following disclaimer in the
     13  1.1  christos  *    documentation and/or other materials provided with the distribution.
     14  1.1  christos  * 3. The name of the author may not be used to endorse or promote products
     15  1.1  christos  *    derived from this software without specific prior written permission
     16  1.1  christos  *
     17  1.1  christos  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  1.1  christos  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  1.1  christos  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  1.1  christos  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21  1.1  christos  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22  1.1  christos  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23  1.1  christos  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  1.1  christos  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  1.1  christos  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  1.1  christos  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  1.1  christos  */
     28  1.1  christos 
     29  1.1  christos #include <machine/asm.h>
     30  1.1  christos 
     31  1.1  christos ENTRY(bswap64)
     32  1.2      matt 	movl	4(%sp),%d1
     33  1.2      matt 	movl	8(%sp),%d0
     34  1.4      matt #ifdef __mcfisac__
     35  1.4      matt 	byterev	%d0
     36  1.4      matt 	byterev	%d1
     37  1.4      matt #elif defined(__mcoldfire__)
     38  1.4      matt 	movl	%d3,-(%sp)
     39  1.4      matt 	movl	%d2,-(%sp)
     40  1.4      matt 	movl	#0x00ff00ff, %d3
     41  1.4      matt 	movl	%d0,%d2
     42  1.4      matt 	andl	%d3,%d2
     43  1.4      matt 	lsll	#8,%d2
     44  1.4      matt 	lsrl	#8,%d0
     45  1.4      matt 	andl	%d3,%d0
     46  1.4      matt 	orl	%d2,%d0
     47  1.4      matt 	movl	%d1,%d2
     48  1.4      matt 	andl	%d3,%d2
     49  1.4      matt 	lsll	#8,%d2
     50  1.4      matt 	lsrl	#8,%d1
     51  1.4      matt 	andl	%d3,%d1
     52  1.4      matt 	orl	%d2,%d1
     53  1.4      matt 	movl	(%sp)+,%d2
     54  1.4      matt 	movl	(%sp)+,%d3
     55  1.4      matt #else
     56  1.1  christos 	rolw	#8,%d1
     57  1.1  christos 	rolw	#8,%d0
     58  1.1  christos 	swap	%d1
     59  1.1  christos 	swap	%d0
     60  1.1  christos 	rolw	#8,%d0
     61  1.1  christos 	rolw	#8,%d1
     62  1.4      matt #endif
     63  1.1  christos 	rts
     64  1.3      matt END(bswap64)
     65