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alloc.s revision 1.10 
      1 /* $NetBSD: alloc.s,v 1.10 2008/04/28 20:23:13 martin Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1996,2006 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Ignatios Souvatzis.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Memory allocation through exec library.
     34  */
     35 
     36 #include <machine/asm.h>
     37 
     38 ENTRY_NOPROFILE(alloc)
     39 	movl	%a6,%sp@-
     40 	movl	%pc@(_C_LABEL(SysBase):w),%a6
     41 	movl	%sp@(8),%d0
     42 	movl	#0x50001,%d1	| MEMF_CLEAR|MEMF_REVERSE|MEMF_PUBLIC for now.
     43 	jsr	%a6@(-0xc6)	| AllocMem
     44 	movl	%sp@+,%a6
     45 	movl	%d0,%a0		| Comply with ELF ABI
     46 	rts
     47 
     48 ENTRY_NOPROFILE(dealloc)
     49 	movl	%a6,%sp@-
     50 	movl	%pc@(_C_LABEL(SysBase):w),%a6
     51 	movl	%sp@(8),%a1
     52 	movl	%sp@(12),%d0
     53 	jsr	%a6@(-0xd2)	| FreeMem
     54 	movl	%sp@+,%a6
     55 	rts
     56 
     57