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syscall.S revision 1.11.56.1 
      1  1.11.56.1      yamt /*	$NetBSD: syscall.S,v 1.11.56.1 2012/04/17 00:05:13 yamt Exp $	*/
      2        1.6  christos 
      3        1.1       cgd /*-
      4        1.1       cgd  * Copyright (c) 1990 The Regents of the University of California.
      5        1.1       cgd  * All rights reserved.
      6        1.1       cgd  *
      7        1.1       cgd  * This code is derived from software contributed to Berkeley by
      8        1.1       cgd  * William Jolitz.
      9        1.1       cgd  *
     10        1.1       cgd  * Redistribution and use in source and binary forms, with or without
     11        1.1       cgd  * modification, are permitted provided that the following conditions
     12        1.1       cgd  * are met:
     13        1.1       cgd  * 1. Redistributions of source code must retain the above copyright
     14        1.1       cgd  *    notice, this list of conditions and the following disclaimer.
     15        1.1       cgd  * 2. Redistributions in binary form must reproduce the above copyright
     16        1.1       cgd  *    notice, this list of conditions and the following disclaimer in the
     17        1.1       cgd  *    documentation and/or other materials provided with the distribution.
     18       1.11       agc  * 3. Neither the name of the University nor the names of its contributors
     19        1.1       cgd  *    may be used to endorse or promote products derived from this software
     20        1.1       cgd  *    without specific prior written permission.
     21        1.1       cgd  *
     22        1.1       cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23        1.1       cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24        1.1       cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25        1.1       cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26        1.1       cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27        1.1       cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28        1.1       cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29        1.1       cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30        1.1       cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31        1.1       cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32        1.1       cgd  * SUCH DAMAGE.
     33        1.2       jtc  *
     34        1.2       jtc  *	from: @(#)syscall.s	5.1 (Berkeley) 4/23/90
     35        1.1       cgd  */
     36        1.1       cgd 
     37        1.6  christos #include <machine/asm.h>
     38        1.1       cgd #if defined(SYSLIBC_SCCS) && !defined(lint)
     39  1.11.56.1      yamt 	RCSID("$NetBSD: syscall.S,v 1.11.56.1 2012/04/17 00:05:13 yamt Exp $")
     40        1.1       cgd #endif /* SYSLIBC_SCCS and not lint */
     41        1.1       cgd 
     42        1.1       cgd #include "SYS.h"
     43        1.1       cgd 
     44        1.1       cgd ENTRY(syscall)
     45        1.1       cgd 	pop	%ecx	/* rta */
     46        1.1       cgd 	pop	%eax	/* syscall number */
     47        1.1       cgd 	push	%ecx
     48        1.5   mycroft 	int	$0x80
     49        1.1       cgd 	push	%ecx	/* Keep stack frame consistant */
     50        1.4   mycroft 	jc	err
     51        1.1       cgd 	ret
     52        1.4   mycroft err:
     53        1.7    kleink 	jmp	CERROR
     54