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add a function to pass the "memory map" ie the outcome of INT15/0xe820,

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to the kernel
This commit is contained in:
drochner 1999-03-08 21:44:48 +00:00
parent 6fb323453d
commit 743494ae88
3 changed files with 72 additions and 3 deletions
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5
sys/arch/i386/stand/lib/Makefile
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@ -1,4 +1,4 @@
# $NetBSD: Makefile,v 1.10 1999/02/13 02:54:46 lukem Exp $
# $NetBSD: Makefile,v 1.11 1999/03/08 21:44:48 drochner Exp $
S?= ${.CURDIR}/../../../../
@ -18,7 +18,8 @@ CPPFLAGS= -I$S/lib/libsa ${I386CPPFLAGS} ${I386MISCCPPFLAGS}
SRCS= pcio.c conio.S comio.S comio_direct.c
SRCS+= getsecs.c biosgetrtc.S biosdelay.S biosreboot.S gatea20.c
SRCS+= biosmem.S getextmemx.c biosmemx.S
SRCS+= pread.c menuutils.c parseutils.c bootinfo.c bootinfo_biosgeom.c
SRCS+= pread.c menuutils.c parseutils.c
SRCS+= bootinfo.c bootinfo_biosgeom.c bootinfo_memmap.c
SRCS+= loadfile.c startprog.S netbsd_opts.c panic.c
.if (${I386_INCLUDE_DISK} == "yes")
SRCS+= biosdisk.c biosdisk_ll.c bios_disk.S

3
sys/arch/i386/stand/lib/bootinfo.h
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@ -1,4 +1,4 @@
/* $NetBSD: bootinfo.h,v 1.3 1999/03/08 00:09:25 fvdl Exp $ */
/* $NetBSD: bootinfo.h,v 1.4 1999/03/08 21:44:48 drochner Exp $ */
/*
* Copyright (c) 1997
@ -53,3 +53,4 @@ extern struct bootinfo *bootinfo;
void bi_add __P((struct btinfo_common*, int, int));
void bi_getbiosgeom __P((void));
void bi_getmemmap __P((void));

67
sys/arch/i386/stand/lib/bootinfo_memmap.c Normal file
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@ -0,0 +1,67 @@
/* $NetBSD: bootinfo_memmap.c,v 1.1 1999/03/08 21:44:48 drochner 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project
* by Matthias Drochner.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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 __P((int *, int *));
void
bi_getmemmap()
{
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);
bcopy(buf, &bimm->entry[n], sizeof(struct bi_memmap_entry));
}
bimm->num = nranges;
BI_ADD(bimm, BTINFO_MEMMAP, sizeof(struct btinfo_memmap)
+ (nranges - 1) * sizeof(struct bi_memmap_entry));
}