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
|
// SPDX-License-Identifier: GPL-2.0+
#include <env.h>
#include <part.h>
#include <spl.h>
#include <spl_load.h>
#include <asm/u-boot.h>
#include <ext4fs.h>
#include <errno.h>
#include <image.h>
static ulong spl_fit_read(struct spl_load_info *load, ulong file_offset,
ulong size, void *buf)
{
int ret;
loff_t actlen;
ret = ext4fs_read(buf, file_offset, size, &actlen);
if (ret)
return ret;
return actlen;
}
int spl_load_image_ext(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev,
struct blk_desc *block_dev, int partition,
const char *filename)
{
s32 err;
loff_t filelen;
struct disk_partition part_info = {};
struct spl_load_info load;
if (part_get_info(block_dev, partition, &part_info)) {
printf("spl: no partition table found\n");
return -1;
}
ext4fs_set_blk_dev(block_dev, &part_info);
err = ext4fs_mount();
if (!err) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
printf("%s: ext4fs mount err - %d\n", __func__, err);
#endif
return -1;
}
err = ext4fs_open(filename, &filelen);
if (err < 0) {
puts("spl: ext4fs_open failed\n");
goto end;
}
spl_set_bl_len(&load, 1);
load.read = spl_fit_read;
err = spl_load(spl_image, bootdev, &load, filelen, 0);
end:
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
if (err < 0)
printf("%s: error reading image %s, err - %d\n",
__func__, filename, err);
#endif
return err < 0;
}
#if CONFIG_IS_ENABLED(OS_BOOT)
int spl_load_image_ext_os(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev,
struct blk_desc *block_dev, int partition)
{
int err;
__maybe_unused loff_t filelen, actlen;
struct disk_partition part_info = {};
__maybe_unused char *file;
if (part_get_info(block_dev, partition, &part_info)) {
printf("spl: no partition table found\n");
return -1;
}
ext4fs_set_blk_dev(block_dev, &part_info);
err = ext4fs_mount();
if (!err) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
printf("%s: ext4fs mount err - %d\n", __func__, err);
#endif
return -1;
}
#if defined(CONFIG_SPL_ENV_SUPPORT)
file = env_get("falcon_args_file");
if (file) {
err = ext4fs_open(file, &filelen);
if (err < 0) {
puts("spl: ext4fs_open failed\n");
goto defaults;
}
err = ext4fs_read((void *)CONFIG_SPL_PAYLOAD_ARGS_ADDR, 0, filelen, &actlen);
if (err < 0) {
printf("spl: error reading image %s, err - %d, falling back to default\n",
file, err);
goto defaults;
}
file = env_get("falcon_image_file");
if (file) {
err = spl_load_image_ext(spl_image, bootdev, block_dev,
partition, file);
if (err != 0) {
puts("spl: falling back to default\n");
goto defaults;
}
return 0;
} else {
puts("spl: falcon_image_file not set in environment, falling back to default\n");
}
} else {
puts("spl: falcon_args_file not set in environment, falling back to default\n");
}
defaults:
#endif
err = ext4fs_open(CONFIG_SPL_FS_LOAD_ARGS_NAME, &filelen);
if (err < 0)
puts("spl: ext4fs_open failed\n");
err = ext4fs_read((void *)CONFIG_SPL_PAYLOAD_ARGS_ADDR, 0, filelen, &actlen);
if (err < 0) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
printf("%s: error reading image %s, err - %d\n",
__func__, CONFIG_SPL_FS_LOAD_ARGS_NAME, err);
#endif
return -1;
}
return spl_load_image_ext(spl_image, bootdev, block_dev, partition,
CONFIG_SPL_FS_LOAD_KERNEL_NAME);
}
#else
int spl_load_image_ext_os(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev,
struct blk_desc *block_dev, int partition)
{
return -ENOSYS;
}
#endif
|