__syscall.S revision 1.2.2.1
1 1.2.2.1 nathanw /* $NetBSD: __syscall.S,v 1.2.2.1 2001/10/08 20:18:07 nathanw 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 1.1 itojun * 3. All advertising materials mentioning features or use of this software 19 1.1 itojun * must display the following acknowledgement: 20 1.1 itojun * This product includes software developed by the University of 21 1.1 itojun * California, Berkeley and its contributors. 22 1.1 itojun * 4. Neither the name of the University nor the names of its contributors 23 1.1 itojun * may be used to endorse or promote products derived from this software 24 1.1 itojun * without specific prior written permission. 25 1.1 itojun * 26 1.1 itojun * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 1.1 itojun * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 1.1 itojun * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 1.1 itojun * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 1.1 itojun * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 1.1 itojun * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 1.1 itojun * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 1.1 itojun * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 1.1 itojun * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 1.1 itojun * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 1.1 itojun * SUCH DAMAGE. 37 1.1 itojun * 38 1.1 itojun * from: @(#)syscall.s 5.1 (Berkeley) 4/23/90 39 1.1 itojun */ 40 1.1 itojun 41 1.1 itojun #include <machine/asm.h> 42 1.1 itojun #if defined(SYSLIBC_SCCS) && !defined(lint) 43 1.2.2.1 nathanw RCSID("$NetBSD: __syscall.S,v 1.2.2.1 2001/10/08 20:18:07 nathanw Exp $") 44 1.1 itojun #endif /* SYSLIBC_SCCS and not lint */ 45 1.1 itojun 46 1.1 itojun #include "SYS.h" 47 1.1 itojun 48 1.1 itojun ENTRY(__syscall) 49 1.2.2.1 nathanw sts pr, r2 /* rta */ 50 1.2.2.1 nathanw mov.l L__syscall, r0 /* syscall number */ 51 1.1 itojun trapa #0x80 52 1.1 itojun bf err 53 1.1 itojun rts 54 1.1 itojun nop 55 1.1 itojun err: 56 1.1 itojun mov.l Lcerror, r1 57 1.1 itojun jmp @r1 58 1.1 itojun nop 59 1.1 itojun 60 1.2.2.1 nathanw .align 2 61 1.1 itojun Lcerror: .long cerror 62 1.2 itojun L__syscall: .long SYS___syscall 63
Indexes created Wed Oct 01 15:09:59 GMT 2025