syscall.S revision 1.5
11.5Sagc/* $NetBSD: syscall.S,v 1.5 2003/08/07 16:42:21 agc Exp $ */ 21.1Smsaitoh 31.1Smsaitoh/*- 41.1Smsaitoh * Copyright (c) 1990 The Regents of the University of California. 51.1Smsaitoh * All rights reserved. 61.1Smsaitoh * 71.1Smsaitoh * This code is derived from software contributed to Berkeley by 81.1Smsaitoh * William Jolitz. 91.1Smsaitoh * 101.1Smsaitoh * Redistribution and use in source and binary forms, with or without 111.1Smsaitoh * modification, are permitted provided that the following conditions 121.1Smsaitoh * are met: 131.1Smsaitoh * 1. Redistributions of source code must retain the above copyright 141.1Smsaitoh * notice, this list of conditions and the following disclaimer. 151.1Smsaitoh * 2. Redistributions in binary form must reproduce the above copyright 161.1Smsaitoh * notice, this list of conditions and the following disclaimer in the 171.1Smsaitoh * documentation and/or other materials provided with the distribution. 181.5Sagc * 3. Neither the name of the University nor the names of its contributors 191.1Smsaitoh * may be used to endorse or promote products derived from this software 201.1Smsaitoh * without specific prior written permission. 211.1Smsaitoh * 221.1Smsaitoh * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 231.1Smsaitoh * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 241.1Smsaitoh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 251.1Smsaitoh * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 261.1Smsaitoh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 271.1Smsaitoh * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 281.1Smsaitoh * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 291.1Smsaitoh * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 301.1Smsaitoh * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 311.1Smsaitoh * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 321.1Smsaitoh * SUCH DAMAGE. 331.1Smsaitoh * 341.1Smsaitoh * from: @(#)syscall.s 5.1 (Berkeley) 4/23/90 351.1Smsaitoh */ 361.1Smsaitoh 371.1Smsaitoh#include <machine/asm.h> 381.1Smsaitoh#if defined(SYSLIBC_SCCS) && !defined(lint) 391.5Sagc RCSID("$NetBSD: syscall.S,v 1.5 2003/08/07 16:42:21 agc Exp $") 401.1Smsaitoh#endif /* SYSLIBC_SCCS and not lint */ 411.1Smsaitoh 421.1Smsaitoh#include "SYS.h" 431.1Smsaitoh 441.1SmsaitohENTRY(syscall) 451.3Smsaitoh sts pr, r2 /* rta */ 461.3Smsaitoh mov.l Lsyscall, r0 /* syscall number */ 471.1Smsaitoh trapa #0x80 481.1Smsaitoh bf err 491.1Smsaitoh rts 501.1Smsaitoh nop 511.1Smsaitoherr: 521.1Smsaitoh mov.l Lcerror, r1 531.4Smarcus#ifdef PIC 541.4Smarcus braf r1 551.4Smarcus#else 561.1Smsaitoh jmp @r1 571.4Smarcus#endif 581.1Smsaitoh nop 591.4Smarcus1: 601.1Smsaitoh 611.3Smsaitoh .align 2 621.4Smarcus#ifdef PIC 631.4SmarcusLcerror: .long cerror-1b 641.4Smarcus#else 651.1SmsaitohLcerror: .long cerror 661.4Smarcus#endif 671.2SitojunLsyscall: .long SYS_syscall 68