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git.ipfire.org Git - people/ms/u-boot.git/blob - common/cmd_cramfs.c
2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU General Public License as
4 * published by the Free Software Foundation; either version 2 of
5 * the License, or (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
17 * based on: cmd_jffs2.c
19 * Add support for a CRAMFS located in RAM
29 #include <linux/list.h>
30 #include <linux/ctype.h>
31 #include <jffs2/jffs2.h>
32 #include <jffs2/load_kernel.h>
33 #include <cramfs/cramfs_fs.h>
35 /* enable/disable debugging messages */
40 # define DEBUGF(fmt, args...) printf(fmt ,##args)
42 # define DEBUGF(fmt, args...)
45 #ifdef CONFIG_CRAMFS_CMDLINE
48 #ifdef CONFIG_SYS_NO_FLASH
49 # define OFFSET_ADJUSTMENT 0
51 # define OFFSET_ADJUSTMENT (flash_info[id.num].start[0])
54 #ifndef CONFIG_CMD_JFFS2
55 #include <linux/stat.h>
56 char *mkmodestr(unsigned long mode
, char *str
)
58 static const char *l
= "xwr";
62 switch (mode
& S_IFMT
) {
63 case S_IFDIR
: str
[0] = 'd'; break;
64 case S_IFBLK
: str
[0] = 'b'; break;
65 case S_IFCHR
: str
[0] = 'c'; break;
66 case S_IFIFO
: str
[0] = 'f'; break;
67 case S_IFLNK
: str
[0] = 'l'; break;
68 case S_IFSOCK
: str
[0] = 's'; break;
69 case S_IFREG
: str
[0] = '-'; break;
70 default: str
[0] = '?';
73 for(i
= 0; i
< 9; i
++) {
75 str
[9-i
] = (mode
& mask
)?c
:'-';
79 if(mode
& S_ISUID
) str
[3] = (mode
& S_IXUSR
)?'s':'S';
80 if(mode
& S_ISGID
) str
[6] = (mode
& S_IXGRP
)?'s':'S';
81 if(mode
& S_ISVTX
) str
[9] = (mode
& S_IXOTH
)?'t':'T';
85 #endif /* CONFIG_CMD_JFFS2 */
87 extern int cramfs_check (struct part_info
*info
);
88 extern int cramfs_load (char *loadoffset
, struct part_info
*info
, char *filename
);
89 extern int cramfs_ls (struct part_info
*info
, char *filename
);
90 extern int cramfs_info (struct part_info
*info
);
92 /***************************************************/
94 /***************************************************/
97 * Routine implementing fsload u-boot command. This routine tries to load
98 * a requested file from cramfs filesystem at location 'cramfsaddr'.
99 * cramfsaddr is an evironment variable.
101 * @param cmdtp command internal data
102 * @param flag command flag
103 * @param argc number of arguments supplied to the command
104 * @param argv arguments list
105 * @return 0 on success, 1 otherwise
107 int do_cramfs_load(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
111 ulong offset
= load_addr
;
113 struct part_info part
;
114 struct mtd_device dev
;
118 addr
= simple_strtoul(getenv("cramfsaddr"), NULL
, 16);
121 /* cramfs_* only supports NOR flash chips */
122 /* fake the device type */
123 id
.type
= MTD_DEV_TYPE_NOR
;
127 /* fake the address offset */
128 part
.offset
= addr
- OFFSET_ADJUSTMENT
;
130 /* pre-set Boot file name */
131 if ((filename
= getenv("bootfile")) == NULL
) {
139 offset
= simple_strtoul(argv
[1], NULL
, 0);
145 if (cramfs_check(&part
))
146 size
= cramfs_load ((char *) offset
, &part
, filename
);
149 printf("### CRAMFS load complete: %d bytes loaded to 0x%lx\n",
151 setenv_hex("filesize", size
);
153 printf("### CRAMFS LOAD ERROR<%x> for %s!\n", size
, filename
);
160 * Routine implementing u-boot ls command which lists content of a given
161 * directory at location 'cramfsaddr'.
162 * cramfsaddr is an evironment variable.
164 * @param cmdtp command internal data
165 * @param flag command flag
166 * @param argc number of arguments supplied to the command
167 * @param argv arguments list
168 * @return 0 on success, 1 otherwise
170 int do_cramfs_ls(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
172 char *filename
= "/";
174 struct part_info part
;
175 struct mtd_device dev
;
179 addr
= simple_strtoul(getenv("cramfsaddr"), NULL
, 16);
182 /* cramfs_* only supports NOR flash chips */
183 /* fake the device type */
184 id
.type
= MTD_DEV_TYPE_NOR
;
188 /* fake the address offset */
189 part
.offset
= addr
- OFFSET_ADJUSTMENT
;
195 if (cramfs_check(&part
))
196 ret
= cramfs_ls (&part
, filename
);
201 /* command line only */
203 /***************************************************/
205 cramfsload
, 3, 0, do_cramfs_load
,
206 "load binary file from a filesystem image",
207 "[ off ] [ filename ]\n"
208 " - load binary file from address 'cramfsaddr'\n"
209 " with offset 'off'\n"
212 cramfsls
, 2, 1, do_cramfs_ls
,
213 "list files in a directory (default /)",
215 " - list files in a directory.\n"
218 #endif /* #ifdef CONFIG_CRAMFS_CMDLINE */
220 /***************************************************/