alloc.s revision 1.10 1 1.10 martin /* $NetBSD: alloc.s,v 1.10 2008/04/28 20:23:13 martin Exp $ */
2 1.3 is
3 1.3 is /*-
4 1.9 is * Copyright (c) 1996,2006 The NetBSD Foundation, Inc.
5 1.3 is * All rights reserved.
6 1.1 is *
7 1.3 is * This code is derived from software contributed to The NetBSD Foundation
8 1.3 is * by Ignatios Souvatzis.
9 1.1 is *
10 1.1 is * Redistribution and use in source and binary forms, with or without
11 1.1 is * modification, are permitted provided that the following conditions
12 1.1 is * are met:
13 1.1 is * 1. Redistributions of source code must retain the above copyright
14 1.1 is * notice, this list of conditions and the following disclaimer.
15 1.1 is * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 is * notice, this list of conditions and the following disclaimer in the
17 1.1 is * documentation and/or other materials provided with the distribution.
18 1.1 is *
19 1.3 is * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.3 is * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.3 is * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.3 is * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.3 is * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.3 is * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.3 is * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.3 is * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.3 is * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.3 is * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.3 is * POSSIBILITY OF SUCH DAMAGE.
30 1.1 is */
31 1.1 is
32 1.1 is /*
33 1.1 is * Memory allocation through exec library.
34 1.1 is */
35 1.1 is
36 1.5 is #include <machine/asm.h>
37 1.5 is
38 1.5 is ENTRY_NOPROFILE(alloc)
39 1.7 mhitch movl %a6,%sp@-
40 1.6 is movl %pc@(_C_LABEL(SysBase):w),%a6
41 1.6 is movl %sp@(8),%d0
42 1.6 is movl #0x50001,%d1 | MEMF_CLEAR|MEMF_REVERSE|MEMF_PUBLIC for now.
43 1.9 is jsr %a6@(-0xc6) | AllocMem
44 1.6 is movl %sp@+,%a6
45 1.8 mhitch movl %d0,%a0 | Comply with ELF ABI
46 1.1 is rts
47 1.1 is
48 1.9 is ENTRY_NOPROFILE(dealloc)
49 1.7 mhitch movl %a6,%sp@-
50 1.6 is movl %pc@(_C_LABEL(SysBase):w),%a6
51 1.6 is movl %sp@(8),%a1
52 1.9 is movl %sp@(12),%d0
53 1.9 is jsr %a6@(-0xd2) | FreeMem
54 1.6 is movl %sp@+,%a6
55 1.1 is rts
56 1.1 is
57