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
|
/*
* Copyright (C) ST-Ericsson SA 2011
* Author: Rickard Evertsson <rickard.evertsson@stericsson.com>
* for ST-Ericsson.
*
* License terms: GNU General Public License (GPL) version 2
*
* Use this file to customize your reboot / sw reset reasons. Add, remove or
* modify reasons in reboot_reasons[].
*/
#include <linux/bug.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <mach/reboot_reasons.h>
struct reboot_reason reboot_reasons[] = {
{"crash", SW_RESET_CRASH},
{"factory-reset", SW_RESET_FACTORY_RESET},
{"recovery", SW_RESET_RECOVERY},
{"charging", SW_RESET_CHARGING},
{"coldstart", SW_RESET_COLDSTART},
{"none", SW_RESET_NO_ARGUMENT}, /* Normal Boot */
{"chgonly-exit", SW_RESET_CHGONLY_EXIT}, /* Exit Charge Only Mode */
};
unsigned int reboot_reasons_size = ARRAY_SIZE(reboot_reasons);
/*
* The reboot reason string can be 255 characters long and the memory
* in which we save the sw reset reason is 2 bytes. Therefore we need to
* convert the string into a 16 bit pattern.
*
* See file reboot_reasons.h for conversion.
*/
u16 reboot_reason_code(const char *cmd)
{
int i;
if (cmd == NULL) {
if (oops_in_progress) {
/* if we're in an oops assume it's a crash */
return SW_RESET_CRASH;
} else {
/* normal reboot w/o argument */
return SW_RESET_NO_ARGUMENT;
}
}
/* Search through reboot reason list */
for (i = 0; i < reboot_reasons_size; i++) {
if (!strcmp(reboot_reasons[i].reason, cmd))
return reboot_reasons[i].code;
}
/* No valid reboot reason found */
return SW_RESET_NO_ARGUMENT;
}
/*
* The saved sw reset reason is a 2 byte code that is translated into
* a reboot reason string which is up to 255 characters long by this
* function.
*
* See file reboot_reasons.h for conversion.
*/
const char *reboot_reason_string(u16 code)
{
int i;
/* Search through reboot reason list */
for (i = 0; i < reboot_reasons_size; i++) {
if (reboot_reasons[i].code == code)
return reboot_reasons[i].reason;
}
/* No valid reboot reason code found */
return "unknown";
}
|