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__syscall.S revision 1.5 
      1  1.5      agc /*	$NetBSD: __syscall.S,v 1.5 2003/08/07 16:42:20 agc Exp $	*/
      2  1.1   itojun 
      3  1.1   itojun /*-
      4  1.1   itojun  * Copyright (c) 1990 The Regents of the University of California.
      5  1.1   itojun  * All rights reserved.
      6  1.1   itojun  *
      7  1.1   itojun  * This code is derived from software contributed to Berkeley by
      8  1.1   itojun  * William Jolitz.
      9  1.1   itojun  *
     10  1.1   itojun  * Redistribution and use in source and binary forms, with or without
     11  1.1   itojun  * modification, are permitted provided that the following conditions
     12  1.1   itojun  * are met:
     13  1.1   itojun  * 1. Redistributions of source code must retain the above copyright
     14  1.1   itojun  *    notice, this list of conditions and the following disclaimer.
     15  1.1   itojun  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1   itojun  *    notice, this list of conditions and the following disclaimer in the
     17  1.1   itojun  *    documentation and/or other materials provided with the distribution.
     18  1.5      agc  * 3. Neither the name of the University nor the names of its contributors
     19  1.1   itojun  *    may be used to endorse or promote products derived from this software
     20  1.1   itojun  *    without specific prior written permission.
     21  1.1   itojun  *
     22  1.1   itojun  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  1.1   itojun  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  1.1   itojun  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  1.1   itojun  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  1.1   itojun  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  1.1   itojun  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  1.1   itojun  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  1.1   itojun  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  1.1   itojun  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  1.1   itojun  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  1.1   itojun  * SUCH DAMAGE.
     33  1.1   itojun  *
     34  1.1   itojun  *	from: @(#)syscall.s	5.1 (Berkeley) 4/23/90
     35  1.1   itojun  */
     36  1.1   itojun 
     37  1.1   itojun #include <machine/asm.h>
     38  1.1   itojun #if defined(SYSLIBC_SCCS) && !defined(lint)
     39  1.5      agc 	RCSID("$NetBSD: __syscall.S,v 1.5 2003/08/07 16:42:20 agc Exp $")
     40  1.1   itojun #endif /* SYSLIBC_SCCS and not lint */
     41  1.1   itojun 
     42  1.1   itojun #include "SYS.h"
     43  1.1   itojun 
     44  1.1   itojun ENTRY(__syscall)
     45  1.3  msaitoh 	sts	pr, r2		/* rta */
     46  1.3  msaitoh 	mov.l	L__syscall, r0	/* syscall number */
     47  1.1   itojun 	trapa	#0x80
     48  1.1   itojun 	bf	err
     49  1.1   itojun 	rts
     50  1.1   itojun 	nop
     51  1.1   itojun err:
     52  1.1   itojun 	mov.l	Lcerror, r1
     53  1.4   marcus #ifdef PIC
     54  1.4   marcus 	braf	r1
     55  1.4   marcus #else
     56  1.1   itojun 	jmp	@r1
     57  1.4   marcus #endif
     58  1.1   itojun 	nop
     59  1.4   marcus 1:
     60  1.1   itojun 
     61  1.3  msaitoh 	.align	2
     62  1.4   marcus #ifdef PIC
     63  1.4   marcus Lcerror:	.long	cerror-1b
     64  1.4   marcus #else
     65  1.1   itojun Lcerror:	.long	cerror
     66  1.4   marcus #endif
     67  1.2   itojun L__syscall:	.long	SYS___syscall
     68