/* $OpenBSD: support.s,v 1.3 2006/02/22 22:16:07 miod Exp $ */
/* $NetBSD: support.s,v 1.1 1997/03/16 10:47:33 thorpej Exp $ */
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1980, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Utah $Hdr: locore.s 1.66 92/12/22$
*
* @(#)locore.s 8.6 (Berkeley) 5/27/94
*/
/*
* Miscellaneous support routines common to all m68k ports.
*/
/*
* NOTICE: This is not a standalone file. To use it, #include it in
* your port's locore.s, like so:
*
* #include <m68k/m68k/support.s>
*/
/*
* non-local gotos
*/
ENTRY(setjmp)
movl sp@(4),a0 | savearea pointer
moveml #0xFCFC,a0@ | save d2-d7/a2-a7
movl sp@,a0@(48) | and return address
moveq #0,d0 | return 0
rts
ENTRY(longjmp)
movl sp@(4),a0
moveml a0@+,#0xFCFC
movl a0@,sp@
moveq #1,d0
rts