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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2006 Ronald Minnich <rminnich@gmail.com>
* Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2007 Carl-Daniel Hailfinger
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "superiotool.h"
/* Command line options. */
int dump = 0, verbose = 0;
uint8_t regval(uint16_t port, uint8_t reg)
{
outb(reg, port);
return inb(port + 1);
}
void regwrite(uint16_t port, uint8_t reg, uint8_t val)
{
outb(reg, port);
outb(val, port + 1);
}
int superio_unknown(const struct superio_registers reg_table[], uint16_t id)
{
return !strncmp(get_superio_name(reg_table, id), "<unknown>", 9);
}
const char *get_superio_name(const struct superio_registers reg_table[],
uint16_t id)
{
int i;
for (i = 0; /* Nothing */; i++) {
if (reg_table[i].superio_id == EOT)
break;
if ((uint16_t)reg_table[i].superio_id != id)
continue;
return reg_table[i].name;
}
return "<unknown>";
}
void dump_superio(const char *vendor, const struct superio_registers reg_table[],
uint16_t port, uint16_t id)
{
int i, j, k, nodump;
int *idx;
if (!dump)
return;
for (i = 0; /* Nothing */; i++) {
if (reg_table[i].superio_id == EOT)
break;
if ((uint16_t)reg_table[i].superio_id != id)
continue;
nodump = 1;
for (j = 0; /* Nothing */; j++) {
if (reg_table[i].ldn[j].ldn == EOT)
break;
nodump = 0;
if (reg_table[i].ldn[j].ldn != NOLDN) {
printf("Switching to LDN 0x%02x\n",
reg_table[i].ldn[j].ldn);
regwrite(port, 0x07, reg_table[i].ldn[j].ldn);
}
idx = reg_table[i].ldn[j].idx;
printf("idx ");
for (k = 0; /* Nothing */; k++) {
if (idx[k] == EOT)
break;
printf("%02x ", idx[k]);
}
printf("\nval ");
for (k = 0; /* Nothing */; k++) {
if (idx[k] == EOT)
break;
printf("%02x ", regval(port, idx[k]));
}
printf("\ndef ");
idx = reg_table[i].ldn[j].def;
for (k = 0; /* Nothing */; k++) {
if (idx[k] == EOT)
break;
else if (idx[k] == NANA)
printf("NA ");
else if (idx[k] == RSVD)
printf("RR ");
else if (idx[k] == MISC) /* TODO */
printf("MM ");
else
printf("%02x ", idx[k]);
}
printf("\n");
}
if (nodump)
printf("No dump for %s %s\n", vendor, reg_table[i].name);
}
}
void no_superio_found(uint16_t port) {
if (!verbose)
return;
if (inb(port) == 0xff)
printf("No Super I/O chip found at 0x%04x\n", port);
else
printf("Probing 0x%04x, failed (0x%02x), data returns 0x%02x\n", port, inb(port), inb(port + 1));
}
int main(int argc, char *argv[])
{
int i, j, opt, option_index;
const static struct option long_options[] = {
{"dump", no_argument, NULL, 'd'},
{"verbose", no_argument, NULL, 'V'},
{"version", no_argument, NULL, 'v'},
{"help", no_argument, NULL, 'h'},
{0, 0, 0, 0}
};
while ((opt = getopt_long(argc, argv, "dVvh",
long_options, &option_index)) != EOF) {
switch (opt) {
case 'd':
dump = 1;
break;
case 'V':
verbose = 1;
break;
case 'v':
printf("superiotool %s\n", SUPERIOTOOL_VERSION);
exit(0);
break;
case 'h':
printf(USAGE);
exit(0);
break;
default:
/* Unknown option. */
exit(1);
break;
}
}
if (iopl(3) < 0) {
perror("iopl");
printf("Superiotool must be run as root.\n");
exit(1);
}
for (i = 0; i < ARRAY_SIZE(superio_ports_table); i++) {
for (j = 0; superio_ports_table[i].ports[j] != EOT; j++)
superio_ports_table[i].probe_idregs(
superio_ports_table[i].ports[j]);
}
return 0;
}
|