reiser.c
3.73 KB
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
/*
* (C) Copyright 2003 - 2004
* Sysgo Real-Time Solutions, AG <www.elinos.com>
* Pavel Bartusek <pba@sysgo.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
/*
* Reiserfs support
*/
#include <common.h>
#include <config.h>
#include <command.h>
#include <image.h>
#include <linux/ctype.h>
#include <asm/byteorder.h>
#include <reiserfs.h>
#include <part.h>
#if !CONFIG_IS_ENABLED(DOS_PARTITION)
#error DOS partition support must be selected
#endif
/* #define REISER_DEBUG */
#ifdef REISER_DEBUG
#define PRINTF(fmt,args...) printf (fmt ,##args)
#else
#define PRINTF(fmt,args...)
#endif
int do_reiserls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
char *filename = "/";
int dev, part;
struct blk_desc *dev_desc = NULL;
disk_partition_t info;
if (argc < 3)
return CMD_RET_USAGE;
part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
if (part < 0)
return 1;
if (argc == 4) {
filename = argv[3];
}
dev = dev_desc->devnum;
PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);
reiserfs_set_blk_dev(dev_desc, &info);
if (!reiserfs_mount(info.size)) {
printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n", argv[1], dev, part);
return 1;
}
if (reiserfs_ls (filename)) {
printf ("** Error reiserfs_ls() **\n");
return 1;
};
return 0;
}
U_BOOT_CMD(
reiserls, 4, 1, do_reiserls,
"list files in a directory (default /)",
"<interface> <dev[:part]> [directory]\n"
" - list files from 'dev' on 'interface' in a 'directory'"
);
/******************************************************************************
* Reiserfs boot command intepreter. Derived from diskboot
*/
int do_reiserload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
char *filename = NULL;
int dev, part;
ulong addr = 0, filelen;
disk_partition_t info;
struct blk_desc *dev_desc = NULL;
unsigned long count;
char *addr_str;
switch (argc) {
case 3:
addr_str = env_get("loadaddr");
if (addr_str != NULL) {
addr = simple_strtoul (addr_str, NULL, 16);
} else {
addr = CONFIG_SYS_LOAD_ADDR;
}
filename = env_get("bootfile");
count = 0;
break;
case 4:
addr = simple_strtoul (argv[3], NULL, 16);
filename = env_get("bootfile");
count = 0;
break;
case 5:
addr = simple_strtoul (argv[3], NULL, 16);
filename = argv[4];
count = 0;
break;
case 6:
addr = simple_strtoul (argv[3], NULL, 16);
filename = argv[4];
count = simple_strtoul (argv[5], NULL, 16);
break;
default:
return CMD_RET_USAGE;
}
if (!filename) {
puts ("\n** No boot file defined **\n");
return 1;
}
part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
if (part < 0)
return 1;
dev = dev_desc->devnum;
printf("Loading file \"%s\" from %s device %d%c%c\n",
filename, argv[1], dev,
part ? ':' : ' ', part ? part + '0' : ' ');
reiserfs_set_blk_dev(dev_desc, &info);
if (!reiserfs_mount(info.size)) {
printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n", argv[1], dev, part);
return 1;
}
filelen = reiserfs_open(filename);
if (filelen < 0) {
printf("** File not found %s **\n", filename);
return 1;
}
if ((count < filelen) && (count != 0)) {
filelen = count;
}
if (reiserfs_read((char *)addr, filelen) != filelen) {
printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part);
return 1;
}
/* Loading ok, update default load address */
load_addr = addr;
printf ("\n%ld bytes read\n", filelen);
env_set_hex("filesize", filelen);
return filelen;
}
U_BOOT_CMD(
reiserload, 6, 0, do_reiserload,
"load binary file from a Reiser filesystem",
"<interface> <dev[:part]> [addr] [filename] [bytes]\n"
" - load binary file 'filename' from 'dev' on 'interface'\n"
" to address 'addr' from dos filesystem"
);