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alloc.s revision 1.1 
      1 /*
      2  * $NetBSD: alloc.s,v 1.1 1996/11/29 23:36:29 is Exp $
      3  *
      4  * Copyright (c) 1996 Ignatios Souvatzis
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Ignatios Souvatzis
     18  *      for the NetBSD project.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  *
     33  */
     34 
     35 /*
     36  * Memory allocation through exec library.
     37  */
     38 
     39 	.globl	_SysBase
     40 	.globl	_alloc
     41 _alloc:
     42 	movl	a6,sp@-
     43 	movl	pc@(_SysBase:w),a6
     44 	movl	sp@(8),d0
     45 	movl	#0x50001,d1	| MEMF_CLEAR|MEMF_REVERSE|MEMF_PUBLIC for now.
     46 	jsr	a6@(-0xc6)
     47 	movl	sp@+,a6
     48 	rts
     49 
     50 	.globl	_free
     51 _free:
     52 	movl	a6,sp@-
     53 	movl	pc@(_SysBase:w),a6
     54 	movl	sp@(8),a1
     55 	movl	sp@(12),d0
     56 	jsr	a6@(-0xd2)
     57 	movl	sp@+,a6
     58 	rts
     59 
     60