/* * $OpenBSD: alloc.s,v 1.1 1997/01/16 09:26:23 niklas Exp $ * $NetBSD: alloc.s,v 1.1.1.1 1996/11/29 23:36:29 is Exp $ * * Copyright (c) 1996 Ignatios Souvatzis * All rights reserved. * * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Ignatios Souvatzis * for the NetBSD project. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. * */ /* * Memory allocation through exec library. */ .globl _SysBase .globl _alloc _alloc: movl a6,sp@- movl pc@(_SysBase:w),a6 movl sp@(8),d0 movl #0x50001,d1 | MEMF_CLEAR|MEMF_REVERSE|MEMF_PUBLIC for now. jsr a6@(-0xc6) movl sp@+,a6 rts .globl _free _free: movl a6,sp@- movl pc@(_SysBase:w),a6 movl sp@(8),a1 movl sp@(12),d0 jsr a6@(-0xd2) movl sp@+,a6 rts