1*58a2b000SEvgeniy Ivanov /* $NetBSD: bootinfo_memmap.c,v 1.5 2008/12/14 17:03:43 christos Exp $ */
2*58a2b000SEvgeniy Ivanov
3*58a2b000SEvgeniy Ivanov /*
4*58a2b000SEvgeniy Ivanov * Copyright (c) 1999
5*58a2b000SEvgeniy Ivanov * Matthias Drochner. All rights reserved.
6*58a2b000SEvgeniy Ivanov *
7*58a2b000SEvgeniy Ivanov * Redistribution and use in source and binary forms, with or without
8*58a2b000SEvgeniy Ivanov * modification, are permitted provided that the following conditions
9*58a2b000SEvgeniy Ivanov * are met:
10*58a2b000SEvgeniy Ivanov * 1. Redistributions of source code must retain the above copyright
11*58a2b000SEvgeniy Ivanov * notice, this list of conditions and the following disclaimer.
12*58a2b000SEvgeniy Ivanov * 2. Redistributions in binary form must reproduce the above copyright
13*58a2b000SEvgeniy Ivanov * notice, this list of conditions and the following disclaimer in the
14*58a2b000SEvgeniy Ivanov * documentation and/or other materials provided with the distribution.
15*58a2b000SEvgeniy Ivanov *
16*58a2b000SEvgeniy Ivanov * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17*58a2b000SEvgeniy Ivanov * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18*58a2b000SEvgeniy Ivanov * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19*58a2b000SEvgeniy Ivanov * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20*58a2b000SEvgeniy Ivanov * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21*58a2b000SEvgeniy Ivanov * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22*58a2b000SEvgeniy Ivanov * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23*58a2b000SEvgeniy Ivanov * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24*58a2b000SEvgeniy Ivanov * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25*58a2b000SEvgeniy Ivanov * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*58a2b000SEvgeniy Ivanov *
27*58a2b000SEvgeniy Ivanov */
28*58a2b000SEvgeniy Ivanov
29*58a2b000SEvgeniy Ivanov #include <lib/libsa/stand.h>
30*58a2b000SEvgeniy Ivanov #include "libi386.h"
31*58a2b000SEvgeniy Ivanov #include "bootinfo.h"
32*58a2b000SEvgeniy Ivanov
33*58a2b000SEvgeniy Ivanov extern int getmementry(int *, int *);
34*58a2b000SEvgeniy Ivanov
35*58a2b000SEvgeniy Ivanov void
bi_getmemmap(void)36*58a2b000SEvgeniy Ivanov bi_getmemmap(void)
37*58a2b000SEvgeniy Ivanov {
38*58a2b000SEvgeniy Ivanov int buf[5], i, nranges, n;
39*58a2b000SEvgeniy Ivanov struct btinfo_memmap *bimm;
40*58a2b000SEvgeniy Ivanov
41*58a2b000SEvgeniy Ivanov nranges = 0;
42*58a2b000SEvgeniy Ivanov i = 0;
43*58a2b000SEvgeniy Ivanov do {
44*58a2b000SEvgeniy Ivanov if (getmementry(&i, buf))
45*58a2b000SEvgeniy Ivanov break;
46*58a2b000SEvgeniy Ivanov nranges++;
47*58a2b000SEvgeniy Ivanov } while (i);
48*58a2b000SEvgeniy Ivanov
49*58a2b000SEvgeniy Ivanov bimm = alloc(sizeof(struct btinfo_memmap)
50*58a2b000SEvgeniy Ivanov + (nranges - 1) * sizeof(struct bi_memmap_entry));
51*58a2b000SEvgeniy Ivanov
52*58a2b000SEvgeniy Ivanov i = 0;
53*58a2b000SEvgeniy Ivanov for (n = 0; n < nranges; n++) {
54*58a2b000SEvgeniy Ivanov getmementry(&i, buf);
55*58a2b000SEvgeniy Ivanov memcpy(&bimm->entry[n], buf, sizeof(struct bi_memmap_entry));
56*58a2b000SEvgeniy Ivanov }
57*58a2b000SEvgeniy Ivanov bimm->num = nranges;
58*58a2b000SEvgeniy Ivanov
59*58a2b000SEvgeniy Ivanov BI_ADD(bimm, BTINFO_MEMMAP, sizeof(struct btinfo_memmap)
60*58a2b000SEvgeniy Ivanov + (nranges - 1) * sizeof(struct bi_memmap_entry));
61*58a2b000SEvgeniy Ivanov }
62