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
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/*
* autoboot.c - set/clear Server Mode boot on the VIA-CUDA
*
*
* Copyright (C) 2005 Rich Johnson. All rights rserved.
*
* This code is modeled on pmacpow, written by Takashi Oe
* and modified by Keith Keller.
*
* To make: save file to autoboot.c
* gcc -o autoboot autoboot.c
* strip autoboot
*
* 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.
*
* Setting Server Mode causes the machine to boot automatically
* upon restoration of power after an outage.
* Clearing Server Mode will requires a manual boot.
* Normal shutdown and sheduling a boot (see bootsched) clear
* Server Mode.
*
* The server mode setting is good for the current OS session only
* and is cleared when the machine boots. For continuous
* unattended operation autoboot should be invoked during the boot
* process.
*
* Implemented configurations are:
* CUDA machines: 2.4 and 2.6 series kernels
* PMU machine: 2.6 series kernels
*
* see also: bootsched.
*/
#include "autoboot-conf.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <getopt.h>
#include <time.h>
#include <sys/time.h>
#ifdef HAVE_ASM_ADB_H
# include <asm/adb.h>
# else
# ifdef HAVE_LINUX_ADB_H
# include <linux/adb.h>
# endif
#endif
#ifdef HAVE_ASM_CUDA_H
# include <asm/cuda.h>
# else
# ifdef HAVE_LINUX_CUDA_H
# include <linux/cuda.h>
# endif
#endif
unsigned char adb_cmd[3] =
{ CUDA_PACKET, 0x13, 0 };
char pmu_cmd[] = "server_mode=0";
static int verbose = 0;
static int version = 0;
static int synopsis = 0;
static int servermode = 0;
static char *program_name;
static void usage(void) {
fprintf(stderr,
"%s [-v] on\n"
"%s [-v] off\n"
"%s -V\n"
"%s -?\n"
"\t-v: verbose operation\n"
"\t-V: print version number and exit \n"
"\t-?: print this synopsis\n"
"\ton: enable server mode, boot whenever power restored\n"
"\toff: disable server mode, boot manually\n",
program_name, program_name, program_name, program_name );
exit(1);
}
static void print_version( void ){
fprintf( stderr, "%s: v1.1\n", program_name );
exit(0);
};
static int pmu_set_servermode( long is_server )
{
int fd;
int n;
pmu_cmd[ strlen(pmu_cmd)-1 ] = '0';
if ((fd = open("/proc/pmu/options", O_WRONLY)) < 0) {
return -1;
}
if( is_server )
pmu_cmd[ strlen(pmu_cmd)-1 ] = '1';
n = write(fd, pmu_cmd, sizeof(pmu_cmd));
close( fd );
if (n != sizeof(pmu_cmd)) {
fprintf(stderr, "%s: PMU write returned %d\n", program_name, n);
return -1;
}
return 0;
}
static int adb_set_servermode( long is_server )
{
int fd;
int n;
adb_cmd[2] = 0;
if ((fd = open("/dev/adb", O_RDWR)) < 0) {
return -1;
}
if( is_server != 0 )
adb_cmd[2] = 1;
n = write(fd, adb_cmd, sizeof(adb_cmd));
close(fd);
if (n != sizeof(adb_cmd)) {
fprintf(stderr, "%s: ADB write returned %d\n", program_name, n);
return -1;
}
return 0;
}
static void report_result( long result, long is_server )
{
if( result != 0 ){
fprintf(stderr, "Automatic boot status unchanged\n");
}
else {
if( is_server ){
fprintf(stderr, "Automatic boot enabled (Server Mode)\n");
}
else{
fprintf(stderr, "Automatic boot disabled \n");
}
}
}
extern int optind;
int main(int argc, char **argv)
{
int arg;
int result;
program_name = (char *)basename(argv[0]);
if (getuid()) {
fprintf(stderr, "Sorry, must be root to set power up time\n");
return 1;
}
while ((arg = getopt(argc, argv, "vV")) != EOF) {
switch (arg) {
case 0:
break;
case '?':
synopsis = 1;
break;
case 'V':
version = 1;
break;
case 'v':
verbose = 1;
break;
default:
usage();
}
}
if(synopsis)
usage();
if (version){
if (optind != argc)
usage();
print_version();
}
if (optind != argc-1)
usage();
if( strcmp( argv[optind], "on" ) == 0 ){
servermode = 1;
}
else if( strcmp( argv[optind], "off" ) == 0 ){
servermode = 0;
}
else{
usage();
}
/* first, assume a modern machine */
result = pmu_set_servermode( servermode );
/* ...if not successful, see if we have an older ADB/CUDA machine */
if( result ){
result = adb_set_servermode( servermode );
}
/* ... and report the results */
if( verbose ){
report_result( result, servermode );
}
exit(result);
}
|
