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
|
/*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
* based on: cmd_jffs2.c
*
* Add support for a CRAMFS located in RAM
*/
/*
* CRAMFS support
*/
#include <common.h>
#include <command.h>
#include <malloc.h>
#include <linux/list.h>
#include <linux/ctype.h>
#include <jffs2/jffs2.h>
#include <jffs2/load_kernel.h>
#include <cramfs/cramfs_fs.h>
/* enable/disable debugging messages */
#define DEBUG_CRAMFS
#undef DEBUG_CRAMFS
#ifdef DEBUG_CRAMFS
# define DEBUGF(fmt, args...) printf(fmt ,##args)
#else
# define DEBUGF(fmt, args...)
#endif
#ifdef CONFIG_CRAMFS_CMDLINE
flash_info_t flash_info[1];
#ifndef CONFIG_CMD_JFFS2
#include <linux/stat.h>
char *mkmodestr(unsigned long mode, char *str)
{
static const char *l = "xwr";
int mask = 1, i;
char c;
switch (mode & S_IFMT) {
case S_IFDIR: str[0] = 'd'; break;
case S_IFBLK: str[0] = 'b'; break;
case S_IFCHR: str[0] = 'c'; break;
case S_IFIFO: str[0] = 'f'; break;
case S_IFLNK: str[0] = 'l'; break;
case S_IFSOCK: str[0] = 's'; break;
case S_IFREG: str[0] = '-'; break;
default: str[0] = '?';
}
for(i = 0; i < 9; i++) {
c = l[i%3];
str[9-i] = (mode & mask)?c:'-';
mask = mask<<1;
}
if(mode & S_ISUID) str[3] = (mode & S_IXUSR)?'s':'S';
if(mode & S_ISGID) str[6] = (mode & S_IXGRP)?'s':'S';
if(mode & S_ISVTX) str[9] = (mode & S_IXOTH)?'t':'T';
str[10] = '\0';
return str;
}
#endif /* CONFIG_CMD_JFFS2 */
extern int cramfs_check (struct part_info *info);
extern int cramfs_load (char *loadoffset, struct part_info *info, char *filename);
extern int cramfs_ls (struct part_info *info, char *filename);
extern int cramfs_info (struct part_info *info);
/***************************************************/
/* U-boot commands */
/***************************************************/
/**
* Routine implementing fsload u-boot command. This routine tries to load
* a requested file from cramfs filesystem at location 'cramfsaddr'.
* cramfsaddr is an evironment variable.
*
* @param cmdtp command internal data
* @param flag command flag
* @param argc number of arguments supplied to the command
* @param argv arguments list
* @return 0 on success, 1 otherwise
*/
int do_cramfs_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
char *filename;
int size;
ulong offset = load_addr;
struct part_info part;
struct mtd_device dev;
struct mtdids id;
ulong addr;
addr = simple_strtoul(getenv("cramfsaddr"), NULL, 16);
/* hack! */
/* cramfs_* only supports NOR flash chips */
/* fake the device type */
id.type = MTD_DEV_TYPE_NOR;
id.num = 0;
dev.id = &id;
part.dev = &dev;
/* fake the address offset */
part.offset = addr - flash_info[id.num].start[0];
/* pre-set Boot file name */
if ((filename = getenv("bootfile")) == NULL) {
filename = "uImage";
}
if (argc == 2) {
filename = argv[1];
}
if (argc == 3) {
offset = simple_strtoul(argv[1], NULL, 0);
load_addr = offset;
filename = argv[2];
}
size = 0;
if (cramfs_check(&part))
size = cramfs_load ((char *) offset, &part, filename);
if (size > 0) {
char buf[10];
printf("### CRAMFS load complete: %d bytes loaded to 0x%lx\n",
size, offset);
sprintf(buf, "%x", size);
setenv("filesize", buf);
} else {
printf("### CRAMFS LOAD ERROR<%x> for %s!\n", size, filename);
}
return !(size > 0);
}
/**
* Routine implementing u-boot ls command which lists content of a given
* directory at location 'cramfsaddr'.
* cramfsaddr is an evironment variable.
*
* @param cmdtp command internal data
* @param flag command flag
* @param argc number of arguments supplied to the command
* @param argv arguments list
* @return 0 on success, 1 otherwise
*/
int do_cramfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
char *filename = "/";
int ret;
struct part_info part;
struct mtd_device dev;
struct mtdids id;
ulong addr;
addr = simple_strtoul(getenv("cramfsaddr"), NULL, 16);
/* hack! */
/* cramfs_* only supports NOR flash chips */
/* fake the device type */
id.type = MTD_DEV_TYPE_NOR;
id.num = 0;
dev.id = &id;
part.dev = &dev;
/* fake the address offset */
part.offset = addr - flash_info[id.num].start[0];
if (argc == 2)
filename = argv[1];
ret = 0;
if (cramfs_check(&part))
ret = cramfs_ls (&part, filename);
return ret ? 0 : 1;
}
/* command line only */
/***************************************************/
U_BOOT_CMD(
cramfsload, 3, 0, do_cramfs_load,
"load binary file from a filesystem image",
"[ off ] [ filename ]\n"
" - load binary file from address 'cramfsaddr'\n"
" with offset 'off'\n"
);
U_BOOT_CMD(
cramfsls, 2, 1, do_cramfs_ls,
"list files in a directory (default /)",
"[ directory ]\n"
" - list files in a directory.\n"
);
#endif /* #ifdef CONFIG_CRAMFS_CMDLINE */
/***************************************************/
|
