blob: 55e2d36b51d8ed8e660d85b278fc30ef117a5f11 [file] [log] [blame]
Heiko Schocher88ffb262010-01-07 08:55:54 +01001/*
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.
6 *
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.
11 *
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,
15 * MA 02111-1307 USA
16 *
17 * based on: cmd_jffs2.c
18 *
19 * Add support for a CRAMFS located in RAM
20 */
21
22
23/*
24 * CRAMFS support
25 */
26#include <common.h>
27#include <command.h>
28#include <malloc.h>
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>
34
35/* enable/disable debugging messages */
36#define DEBUG_CRAMFS
37#undef DEBUG_CRAMFS
38
39#ifdef DEBUG_CRAMFS
40# define DEBUGF(fmt, args...) printf(fmt ,##args)
41#else
42# define DEBUGF(fmt, args...)
43#endif
44
45#ifdef CONFIG_CRAMFS_CMDLINE
46flash_info_t flash_info[1];
47
48#ifndef CONFIG_CMD_JFFS2
49#include <linux/stat.h>
50char *mkmodestr(unsigned long mode, char *str)
51{
52 static const char *l = "xwr";
53 int mask = 1, i;
54 char c;
55
56 switch (mode & S_IFMT) {
57 case S_IFDIR: str[0] = 'd'; break;
58 case S_IFBLK: str[0] = 'b'; break;
59 case S_IFCHR: str[0] = 'c'; break;
60 case S_IFIFO: str[0] = 'f'; break;
61 case S_IFLNK: str[0] = 'l'; break;
62 case S_IFSOCK: str[0] = 's'; break;
63 case S_IFREG: str[0] = '-'; break;
64 default: str[0] = '?';
65 }
66
67 for(i = 0; i < 9; i++) {
68 c = l[i%3];
69 str[9-i] = (mode & mask)?c:'-';
70 mask = mask<<1;
71 }
72
73 if(mode & S_ISUID) str[3] = (mode & S_IXUSR)?'s':'S';
74 if(mode & S_ISGID) str[6] = (mode & S_IXGRP)?'s':'S';
75 if(mode & S_ISVTX) str[9] = (mode & S_IXOTH)?'t':'T';
76 str[10] = '\0';
77 return str;
78}
79#endif /* CONFIG_CMD_JFFS2 */
80
81extern int cramfs_check (struct part_info *info);
82extern int cramfs_load (char *loadoffset, struct part_info *info, char *filename);
83extern int cramfs_ls (struct part_info *info, char *filename);
84extern int cramfs_info (struct part_info *info);
85
86/***************************************************/
87/* U-boot commands */
88/***************************************************/
89
90/**
91 * Routine implementing fsload u-boot command. This routine tries to load
92 * a requested file from cramfs filesystem at location 'cramfsaddr'.
93 * cramfsaddr is an evironment variable.
94 *
95 * @param cmdtp command internal data
96 * @param flag command flag
97 * @param argc number of arguments supplied to the command
98 * @param argv arguments list
99 * @return 0 on success, 1 otherwise
100 */
101int do_cramfs_load(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
102{
103 char *filename;
104 int size;
105 ulong offset = load_addr;
106
107 struct part_info part;
108 struct mtd_device dev;
109 struct mtdids id;
110
111 ulong addr;
112 addr = simple_strtoul(getenv("cramfsaddr"), NULL, 16);
113
114 /* hack! */
115 /* cramfs_* only supports NOR flash chips */
116 /* fake the device type */
117 id.type = MTD_DEV_TYPE_NOR;
118 id.num = 0;
119 dev.id = &id;
120 part.dev = &dev;
121 /* fake the address offset */
122 part.offset = addr - flash_info[id.num].start[0];
123
124 /* pre-set Boot file name */
125 if ((filename = getenv("bootfile")) == NULL) {
126 filename = "uImage";
127 }
128
129 if (argc == 2) {
130 filename = argv[1];
131 }
132 if (argc == 3) {
133 offset = simple_strtoul(argv[1], NULL, 0);
134 load_addr = offset;
135 filename = argv[2];
136 }
137
138 size = 0;
139 if (cramfs_check(&part))
140 size = cramfs_load ((char *) offset, &part, filename);
141
142 if (size > 0) {
143 char buf[10];
144 printf("### CRAMFS load complete: %d bytes loaded to 0x%lx\n",
145 size, offset);
146 sprintf(buf, "%x", size);
147 setenv("filesize", buf);
148 } else {
149 printf("### CRAMFS LOAD ERROR<%x> for %s!\n", size, filename);
150 }
151
152 return !(size > 0);
153}
154
155/**
156 * Routine implementing u-boot ls command which lists content of a given
157 * directory at location 'cramfsaddr'.
158 * cramfsaddr is an evironment variable.
159 *
160 * @param cmdtp command internal data
161 * @param flag command flag
162 * @param argc number of arguments supplied to the command
163 * @param argv arguments list
164 * @return 0 on success, 1 otherwise
165 */
166int do_cramfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
167{
168 char *filename = "/";
169 int ret;
170 struct part_info part;
171 struct mtd_device dev;
172 struct mtdids id;
173
174 ulong addr;
175 addr = simple_strtoul(getenv("cramfsaddr"), NULL, 16);
176
177 /* hack! */
178 /* cramfs_* only supports NOR flash chips */
179 /* fake the device type */
180 id.type = MTD_DEV_TYPE_NOR;
181 id.num = 0;
182 dev.id = &id;
183 part.dev = &dev;
184 /* fake the address offset */
185 part.offset = addr - flash_info[id.num].start[0];
186
187 if (argc == 2)
188 filename = argv[1];
189
190 ret = 0;
191 if (cramfs_check(&part))
192 ret = cramfs_ls (&part, filename);
193
194 return ret ? 0 : 1;
195}
196
197/* command line only */
198
199/***************************************************/
200U_BOOT_CMD(
201 cramfsload, 3, 0, do_cramfs_load,
202 "cramfsload\t- load binary file from a filesystem image",
203 "[ off ] [ filename ]\n"
204 " - load binary file from address 'cramfsaddr'\n"
205 " with offset 'off'\n"
206);
207U_BOOT_CMD(
208 cramfsls, 2, 1, do_cramfs_ls,
209 "cramfsls\t- list files in a directory (default /)",
210 "[ directory ]\n"
211 " - list files in a directory.\n"
212);
213
214#endif /* #ifdef CONFIG_CRAMFS_CMDLINE */
215
216/***************************************************/