xref: /netbsd/sys/arch/amiga/stand/bootblock/boot/alloc.s (revision 6550d01e)
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
38ENTRY_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
48ENTRY_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