1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/* $OpenBSD: diskprobe.c,v 1.1 1997/10/17 18:46:56 weingart Exp $ */
/*
* Copyright (c) 1997 Tobias Weingartner
* 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 by Tobias Weingartner.
* 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 REGENTS OR CONTRIBUTORS 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 <sys/param.h>
#include <machine/biosvar.h>
#include "biosdev.h"
#include "libsa.h"
/* These get passed to kernel */
bios_diskinfo_t bios_diskinfo[16];
void
diskprobe()
{
int drive, i = 0;
printf("Probing disks:");
/* Floppies */
for(drive = 0; drive < 4; drive++){
u_int32_t p = biosdinfo(drive);
if(BIOSNSECTS(p) < 2) continue;
if(p){
u_int32_t t = biosdprobe(drive);
if(t & 0x00FF) continue;
if(!(t & 0xFF00)) continue;
printf(" fd%d", drive);
/* Fill out best we can */
bios_diskinfo[i].bsd_major = 2; /* fd? */
bios_diskinfo[i].bios_number = drive;
bios_diskinfo[i].bios_cylinders = BIOSNTRACKS(p);
bios_diskinfo[i].bios_heads = BIOSNHEADS(p);
bios_diskinfo[i].bios_sectors = BIOSNSECTS(p);
i++;
}
}
/* Hard disks */
for(drive = 0x80; drive < 0x88; drive++){
u_int32_t p = biosdinfo(drive);
if(BIOSNSECTS(p) < 2) continue;
if(p){
u_int32_t t = biosdprobe(drive);
if(t & 0x00FF) continue;
if(!(t & 0xFF00)) continue;
printf(" hd%d", drive - 128);
/* Fill out best we can */
bios_diskinfo[i].bsd_major = -1; /* XXX - fill in */
bios_diskinfo[i].bios_number = drive;
bios_diskinfo[i].bios_cylinders = BIOSNTRACKS(p);
bios_diskinfo[i].bios_heads = BIOSNHEADS(p);
bios_diskinfo[i].bios_sectors = BIOSNSECTS(p);
i++;
}
}
/* End of list */
bios_diskinfo[i].bios_number = -1;
printf("\n");
}
|
