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045fa1e1 SW |
1 | /* |
2 | * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms and conditions of the GNU General Public License, | |
6 | * version 2, as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
11 | * more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | */ | |
16 | ||
17 | #include <config.h> | |
18 | #include <common.h> | |
19 | #include <part.h> | |
20 | #include <ext4fs.h> | |
21 | #include <fat.h> | |
22 | #include <fs.h> | |
92ccc96b | 23 | #include <sandboxfs.h> |
117e0507 | 24 | #include <asm/io.h> |
045fa1e1 | 25 | |
a1b231ce SW |
26 | DECLARE_GLOBAL_DATA_PTR; |
27 | ||
045fa1e1 SW |
28 | static block_dev_desc_t *fs_dev_desc; |
29 | static disk_partition_t fs_partition; | |
30 | static int fs_type = FS_TYPE_ANY; | |
31 | ||
2ded0d47 SG |
32 | static inline int fs_probe_unsupported(block_dev_desc_t *fs_dev_desc, |
33 | disk_partition_t *fs_partition) | |
436e2b73 SG |
34 | { |
35 | printf("** Unrecognized filesystem type **\n"); | |
36 | return -1; | |
37 | } | |
38 | ||
045fa1e1 SW |
39 | static inline int fs_ls_unsupported(const char *dirname) |
40 | { | |
045fa1e1 SW |
41 | return -1; |
42 | } | |
43 | ||
117e0507 | 44 | static inline int fs_read_unsupported(const char *filename, void *buf, |
045fa1e1 SW |
45 | int offset, int len) |
46 | { | |
045fa1e1 SW |
47 | return -1; |
48 | } | |
49 | ||
436e2b73 SG |
50 | static inline void fs_close_unsupported(void) |
51 | { | |
52 | } | |
53 | ||
436e2b73 | 54 | struct fstype_info { |
045fa1e1 | 55 | int fstype; |
2ded0d47 SG |
56 | int (*probe)(block_dev_desc_t *fs_dev_desc, |
57 | disk_partition_t *fs_partition); | |
436e2b73 | 58 | int (*ls)(const char *dirname); |
117e0507 | 59 | int (*read)(const char *filename, void *buf, int offset, int len); |
436e2b73 SG |
60 | void (*close)(void); |
61 | }; | |
62 | ||
63 | static struct fstype_info fstypes[] = { | |
64 | #ifdef CONFIG_FS_FAT | |
045fa1e1 SW |
65 | { |
66 | .fstype = FS_TYPE_FAT, | |
e6d52415 SG |
67 | .probe = fat_set_blk_dev, |
68 | .close = fat_close, | |
436e2b73 | 69 | .ls = file_fat_ls, |
e6d52415 | 70 | .read = fat_read_file, |
045fa1e1 | 71 | }, |
436e2b73 SG |
72 | #endif |
73 | #ifdef CONFIG_FS_EXT4 | |
045fa1e1 SW |
74 | { |
75 | .fstype = FS_TYPE_EXT, | |
e6d52415 SG |
76 | .probe = ext4fs_probe, |
77 | .close = ext4fs_close, | |
436e2b73 | 78 | .ls = ext4fs_ls, |
e6d52415 | 79 | .read = ext4_read_file, |
436e2b73 | 80 | }, |
92ccc96b SG |
81 | #endif |
82 | #ifdef CONFIG_SANDBOX | |
83 | { | |
84 | .fstype = FS_TYPE_SANDBOX, | |
85 | .probe = sandbox_fs_set_blk_dev, | |
86 | .close = sandbox_fs_close, | |
87 | .ls = sandbox_fs_ls, | |
88 | .read = fs_read_sandbox, | |
89 | }, | |
436e2b73 SG |
90 | #endif |
91 | { | |
92 | .fstype = FS_TYPE_ANY, | |
93 | .probe = fs_probe_unsupported, | |
94 | .close = fs_close_unsupported, | |
95 | .ls = fs_ls_unsupported, | |
96 | .read = fs_read_unsupported, | |
045fa1e1 SW |
97 | }, |
98 | }; | |
99 | ||
c6f548d2 SG |
100 | static struct fstype_info *fs_get_info(int fstype) |
101 | { | |
102 | struct fstype_info *info; | |
103 | int i; | |
104 | ||
105 | for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes) - 1; i++, info++) { | |
106 | if (fstype == info->fstype) | |
107 | return info; | |
108 | } | |
109 | ||
110 | /* Return the 'unsupported' sentinel */ | |
111 | return info; | |
112 | } | |
113 | ||
045fa1e1 SW |
114 | int fs_set_blk_dev(const char *ifname, const char *dev_part_str, int fstype) |
115 | { | |
436e2b73 | 116 | struct fstype_info *info; |
045fa1e1 | 117 | int part, i; |
a1b231ce SW |
118 | #ifdef CONFIG_NEEDS_MANUAL_RELOC |
119 | static int relocated; | |
120 | ||
121 | if (!relocated) { | |
436e2b73 SG |
122 | for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); |
123 | i++, info++) { | |
124 | info->probe += gd->reloc_off; | |
125 | info->close += gd->reloc_off; | |
126 | info->ls += gd->reloc_off; | |
127 | info->read += gd->reloc_off; | |
128 | } | |
a1b231ce SW |
129 | relocated = 1; |
130 | } | |
131 | #endif | |
045fa1e1 SW |
132 | |
133 | part = get_device_and_partition(ifname, dev_part_str, &fs_dev_desc, | |
134 | &fs_partition, 1); | |
135 | if (part < 0) | |
136 | return -1; | |
137 | ||
436e2b73 SG |
138 | for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) { |
139 | if (fstype != FS_TYPE_ANY && info->fstype != FS_TYPE_ANY && | |
140 | fstype != info->fstype) | |
045fa1e1 SW |
141 | continue; |
142 | ||
2ded0d47 | 143 | if (!info->probe(fs_dev_desc, &fs_partition)) { |
436e2b73 | 144 | fs_type = info->fstype; |
045fa1e1 SW |
145 | return 0; |
146 | } | |
147 | } | |
148 | ||
045fa1e1 SW |
149 | return -1; |
150 | } | |
151 | ||
152 | static void fs_close(void) | |
153 | { | |
c6f548d2 | 154 | struct fstype_info *info = fs_get_info(fs_type); |
045fa1e1 | 155 | |
c6f548d2 | 156 | info->close(); |
e6d52415 | 157 | |
045fa1e1 SW |
158 | fs_type = FS_TYPE_ANY; |
159 | } | |
160 | ||
161 | int fs_ls(const char *dirname) | |
162 | { | |
163 | int ret; | |
164 | ||
c6f548d2 SG |
165 | struct fstype_info *info = fs_get_info(fs_type); |
166 | ||
167 | ret = info->ls(dirname); | |
045fa1e1 | 168 | |
e6d52415 | 169 | fs_type = FS_TYPE_ANY; |
045fa1e1 SW |
170 | fs_close(); |
171 | ||
172 | return ret; | |
173 | } | |
174 | ||
175 | int fs_read(const char *filename, ulong addr, int offset, int len) | |
176 | { | |
c6f548d2 | 177 | struct fstype_info *info = fs_get_info(fs_type); |
117e0507 | 178 | void *buf; |
045fa1e1 SW |
179 | int ret; |
180 | ||
117e0507 SG |
181 | /* |
182 | * We don't actually know how many bytes are being read, since len==0 | |
183 | * means read the whole file. | |
184 | */ | |
185 | buf = map_sysmem(addr, len); | |
186 | ret = info->read(filename, buf, offset, len); | |
187 | unmap_sysmem(buf); | |
045fa1e1 | 188 | |
c6f548d2 SG |
189 | /* If we requested a specific number of bytes, check we got it */ |
190 | if (ret >= 0 && len && ret != len) { | |
191 | printf("** Unable to read file %s **\n", filename); | |
192 | ret = -1; | |
193 | } | |
045fa1e1 SW |
194 | fs_close(); |
195 | ||
196 | return ret; | |
197 | } | |
198 | ||
f9b55e22 | 199 | int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], |
3f83c87e | 200 | int fstype, int cmdline_base) |
045fa1e1 SW |
201 | { |
202 | unsigned long addr; | |
203 | const char *addr_str; | |
204 | const char *filename; | |
205 | unsigned long bytes; | |
206 | unsigned long pos; | |
207 | int len_read; | |
da1fd96c | 208 | unsigned long time; |
045fa1e1 | 209 | |
e9b0f99e SW |
210 | if (argc < 2) |
211 | return CMD_RET_USAGE; | |
212 | if (argc > 7) | |
045fa1e1 SW |
213 | return CMD_RET_USAGE; |
214 | ||
e9b0f99e | 215 | if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype)) |
045fa1e1 SW |
216 | return 1; |
217 | ||
218 | if (argc >= 4) { | |
3f83c87e | 219 | addr = simple_strtoul(argv[3], NULL, cmdline_base); |
045fa1e1 SW |
220 | } else { |
221 | addr_str = getenv("loadaddr"); | |
222 | if (addr_str != NULL) | |
223 | addr = simple_strtoul(addr_str, NULL, 16); | |
224 | else | |
225 | addr = CONFIG_SYS_LOAD_ADDR; | |
226 | } | |
227 | if (argc >= 5) { | |
228 | filename = argv[4]; | |
229 | } else { | |
230 | filename = getenv("bootfile"); | |
231 | if (!filename) { | |
232 | puts("** No boot file defined **\n"); | |
233 | return 1; | |
234 | } | |
235 | } | |
236 | if (argc >= 6) | |
3f83c87e | 237 | bytes = simple_strtoul(argv[5], NULL, cmdline_base); |
045fa1e1 SW |
238 | else |
239 | bytes = 0; | |
240 | if (argc >= 7) | |
3f83c87e | 241 | pos = simple_strtoul(argv[6], NULL, cmdline_base); |
045fa1e1 SW |
242 | else |
243 | pos = 0; | |
244 | ||
da1fd96c | 245 | time = get_timer(0); |
045fa1e1 | 246 | len_read = fs_read(filename, addr, pos, bytes); |
da1fd96c | 247 | time = get_timer(time); |
045fa1e1 SW |
248 | if (len_read <= 0) |
249 | return 1; | |
250 | ||
da1fd96c AB |
251 | printf("%d bytes read in %lu ms", len_read, time); |
252 | if (time > 0) { | |
253 | puts(" ("); | |
254 | print_size(len_read / time * 1000, "/s"); | |
255 | puts(")"); | |
256 | } | |
257 | puts("\n"); | |
045fa1e1 | 258 | |
49c4f037 | 259 | setenv_hex("filesize", len_read); |
045fa1e1 SW |
260 | |
261 | return 0; | |
262 | } | |
263 | ||
264 | int do_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], | |
265 | int fstype) | |
266 | { | |
267 | if (argc < 2) | |
268 | return CMD_RET_USAGE; | |
e9b0f99e SW |
269 | if (argc > 4) |
270 | return CMD_RET_USAGE; | |
045fa1e1 SW |
271 | |
272 | if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype)) | |
273 | return 1; | |
274 | ||
e9b0f99e | 275 | if (fs_ls(argc >= 4 ? argv[3] : "/")) |
045fa1e1 SW |
276 | return 1; |
277 | ||
278 | return 0; | |
279 | } |