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
|
/*
* Copyright (C) 2015-2016 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <g_dnl.h>
#include "bcb.h"
#ifndef CONFIG_FASTBOOT_STORAGE_NAND
static char command[32];
static int read_command(char *command)
{
int ret = 0;
char *p_block = NULL;
uint offset_in_block = 0;
uint blk_size = 0;
if (command == NULL)
return -1;
ret = rw_block(true, &p_block, &blk_size, NULL, MISC_COMMAND, 32);
if (ret) {
printf("read_bootctl, rw_block read failed\n");
return -1;
}
offset_in_block = MISC_COMMAND%blk_size;
memcpy(command, p_block + offset_in_block, 32);
return 0;
}
static int write_command(char *bcb_command)
{
int ret = 0;
char *p_block = NULL;
uint offset_in_block = 0;
uint blk_size = 0;
if (bcb_command == NULL)
return -1;
ret = rw_block(true, &p_block, &blk_size, NULL, MISC_COMMAND, 32);
if (ret) {
printf("write_bootctl, rw_block read failed\n");
return -1;
}
offset_in_block = MISC_COMMAND%blk_size;
memcpy(p_block + offset_in_block, bcb_command, 32);
ret = rw_block(false, NULL, NULL, p_block, MISC_COMMAND, 32);
if (ret) {
free(p_block);
printf("write_bootctl, rw_block write failed\n");
return -1;
}
free(p_block);
return 0;
}
int recovery_check_and_clean_command(void)
{
int ret;
ret = read_command(command);
if (ret < 0) {
printf("read command failed\n");
return 0;
}
if (!strcmp(command, "boot-recovery")) {
memset(command, 0, 32);
write_command(command);
return 1;
}
return 0;
}
int fastboot_check_and_clean_command(void)
{
int ret;
ret = read_command(command);
if (ret < 0) {
printf("read command failed\n");
return 0;
}
if (!strcmp(command, "boot-bootloader")) {
memset(command, 0, 32);
write_command(command);
return 1;
}
return 0;
}
#else
int recovery_check_and_clean_command(void)
{
return 0;
}
int fastboot_check_and_clean_command(void)
{
return 0;
}
#endif
|