]>
git.ipfire.org Git - people/ms/u-boot.git/blob - cmd/cramfs.c
2 * SPDX-License-Identifier: GPL-2.0+
4 * based on: cmd_jffs2.c
6 * Add support for a CRAMFS located in RAM
17 #include <linux/list.h>
18 #include <linux/ctype.h>
19 #include <jffs2/jffs2.h>
20 #include <jffs2/load_kernel.h>
21 #include <cramfs/cramfs_fs.h>
24 /* enable/disable debugging messages */
29 # define DEBUGF(fmt, args...) printf(fmt ,##args)
31 # define DEBUGF(fmt, args...)
36 #ifndef CONFIG_MTD_NOR_FLASH
37 # define OFFSET_ADJUSTMENT 0
39 # define OFFSET_ADJUSTMENT (flash_info[id.num].start[0])
42 #ifndef CONFIG_FS_JFFS2
43 #include <linux/stat.h>
44 char *mkmodestr(unsigned long mode
, char *str
)
46 static const char *l
= "xwr";
50 switch (mode
& S_IFMT
) {
51 case S_IFDIR
: str
[0] = 'd'; break;
52 case S_IFBLK
: str
[0] = 'b'; break;
53 case S_IFCHR
: str
[0] = 'c'; break;
54 case S_IFIFO
: str
[0] = 'f'; break;
55 case S_IFLNK
: str
[0] = 'l'; break;
56 case S_IFSOCK
: str
[0] = 's'; break;
57 case S_IFREG
: str
[0] = '-'; break;
58 default: str
[0] = '?';
61 for(i
= 0; i
< 9; i
++) {
63 str
[9-i
] = (mode
& mask
)?c
:'-';
67 if(mode
& S_ISUID
) str
[3] = (mode
& S_IXUSR
)?'s':'S';
68 if(mode
& S_ISGID
) str
[6] = (mode
& S_IXGRP
)?'s':'S';
69 if(mode
& S_ISVTX
) str
[9] = (mode
& S_IXOTH
)?'t':'T';
73 #endif /* CONFIG_FS_JFFS2 */
75 extern int cramfs_check (struct part_info
*info
);
76 extern int cramfs_load (char *loadoffset
, struct part_info
*info
, char *filename
);
77 extern int cramfs_ls (struct part_info
*info
, char *filename
);
78 extern int cramfs_info (struct part_info
*info
);
80 /***************************************************/
82 /***************************************************/
85 * Routine implementing fsload u-boot command. This routine tries to load
86 * a requested file from cramfs filesystem at location 'cramfsaddr'.
87 * cramfsaddr is an evironment variable.
89 * @param cmdtp command internal data
90 * @param flag command flag
91 * @param argc number of arguments supplied to the command
92 * @param argv arguments list
93 * @return 0 on success, 1 otherwise
95 int do_cramfs_load(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
99 ulong offset
= load_addr
;
102 struct part_info part
;
103 struct mtd_device dev
;
107 addr
= simple_strtoul(env_get("cramfsaddr"), NULL
, 16);
110 /* cramfs_* only supports NOR flash chips */
111 /* fake the device type */
112 id
.type
= MTD_DEV_TYPE_NOR
;
116 /* fake the address offset */
117 part
.offset
= (u64
)(uintptr_t) map_sysmem(addr
- OFFSET_ADJUSTMENT
, 0);
119 /* pre-set Boot file name */
120 filename
= env_get("bootfile");
128 offset
= simple_strtoul(argv
[1], NULL
, 0);
133 offset_virt
= map_sysmem(offset
, 0);
135 if (cramfs_check(&part
))
136 size
= cramfs_load (offset_virt
, &part
, filename
);
139 printf("### CRAMFS load complete: %d bytes loaded to 0x%lx\n",
141 env_set_hex("filesize", size
);
143 printf("### CRAMFS LOAD ERROR<%x> for %s!\n", size
, filename
);
146 unmap_sysmem(offset_virt
);
147 unmap_sysmem((void *)(uintptr_t)part
.offset
);
153 * Routine implementing u-boot ls command which lists content of a given
154 * directory at location 'cramfsaddr'.
155 * cramfsaddr is an evironment variable.
157 * @param cmdtp command internal data
158 * @param flag command flag
159 * @param argc number of arguments supplied to the command
160 * @param argv arguments list
161 * @return 0 on success, 1 otherwise
163 int do_cramfs_ls(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
165 char *filename
= "/";
167 struct part_info part
;
168 struct mtd_device dev
;
172 addr
= simple_strtoul(env_get("cramfsaddr"), NULL
, 16);
175 /* cramfs_* only supports NOR flash chips */
176 /* fake the device type */
177 id
.type
= MTD_DEV_TYPE_NOR
;
181 /* fake the address offset */
182 part
.offset
= (u64
)(uintptr_t) map_sysmem(addr
- OFFSET_ADJUSTMENT
, 0);
188 if (cramfs_check(&part
))
189 ret
= cramfs_ls (&part
, filename
);
190 unmap_sysmem((void *)(uintptr_t)part
.offset
);
195 /* command line only */
197 /***************************************************/
199 cramfsload
, 3, 0, do_cramfs_load
,
200 "load binary file from a filesystem image",
201 "[ off ] [ filename ]\n"
202 " - load binary file from address 'cramfsaddr'\n"
203 " with offset 'off'\n"
206 cramfsls
, 2, 1, do_cramfs_ls
,
207 "list files in a directory (default /)",
209 " - list files in a directory.\n"