62 lines
2 KiB
C
62 lines
2 KiB
C
/* $NetBSD: bootinfo_memmap.c,v 1.5 2008/12/14 17:03:43 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1999
|
|
* Matthias Drochner. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
#include <lib/libsa/stand.h>
|
|
#include "libi386.h"
|
|
#include "bootinfo.h"
|
|
|
|
extern int getmementry(int *, int *);
|
|
|
|
void
|
|
bi_getmemmap(void)
|
|
{
|
|
int buf[5], i, nranges, n;
|
|
struct btinfo_memmap *bimm;
|
|
|
|
nranges = 0;
|
|
i = 0;
|
|
do {
|
|
if (getmementry(&i, buf))
|
|
break;
|
|
nranges++;
|
|
} while (i);
|
|
|
|
bimm = alloc(sizeof(struct btinfo_memmap)
|
|
+ (nranges - 1) * sizeof(struct bi_memmap_entry));
|
|
|
|
i = 0;
|
|
for (n = 0; n < nranges; n++) {
|
|
getmementry(&i, buf);
|
|
memcpy(&bimm->entry[n], buf, sizeof(struct bi_memmap_entry));
|
|
}
|
|
bimm->num = nranges;
|
|
|
|
BI_ADD(bimm, BTINFO_MEMMAP, sizeof(struct btinfo_memmap)
|
|
+ (nranges - 1) * sizeof(struct bi_memmap_entry));
|
|
}
|