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