freebsd-dev/release/libdisk/change.c
1995-05-30 08:29:07 +00:00

60 lines
1.4 KiB
C

/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@login.dknet.dk> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id: change.c,v 1.7 1995/05/25 06:14:45 phk Exp $
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <err.h>
#include <sys/types.h>
#include "libdisk.h"
struct disk *
Set_Phys_Geom(struct disk *disk, u_long cyl, u_long hd, u_long sect)
{
struct disk *d = Int_Open_Disk(disk->name,cyl*hd*sect);
d->real_cyl = cyl;
d->real_hd = hd;
d->real_sect = sect;
d->bios_cyl = disk->bios_cyl;
d->bios_hd = disk->bios_hd;
d->bios_sect = disk->bios_sect;
d->flags = disk->flags;
Free_Disk(disk);
return d;
}
void
Set_Bios_Geom(struct disk *disk, u_long cyl, u_long hd, u_long sect)
{
disk->bios_cyl = cyl;
disk->bios_hd = hd;
disk->bios_sect = sect;
Bios_Limit_Chunk(disk->chunks,1024*hd*sect);
}
void
All_FreeBSD(struct disk *d)
{
struct chunk *c;
again:
for (c=d->chunks->part;c;c=c->next)
if (c->type != unused) {
Delete_Chunk(d,c);
goto again;
}
c=d->chunks;
Create_Chunk(d,c->offset,c->size,freebsd,0xa5,0);
}