1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
4 */
5
6 #define LOG_CATEGORY LOGC_CORE
7
8 #include <command.h>
9 #include <config.h>
10 #include <errno.h>
11 #include <common.h>
12 #include <env.h>
13 #include <lmb.h>
14 #include <log.h>
15 #include <mapmem.h>
16 #include <part.h>
17 #include <ext4fs.h>
18 #include <fat.h>
19 #include <fs.h>
20 #include <sandboxfs.h>
21 #include <ubifs_uboot.h>
22 #include <btrfs.h>
23 #include <asm/global_data.h>
24 #include <asm/io.h>
25 #include <div64.h>
26 #include <linux/math64.h>
27 #include <efi_loader.h>
28 #include <squashfs.h>
29
30 DECLARE_GLOBAL_DATA_PTR;
31
32 static struct blk_desc *fs_dev_desc;
33 static int fs_dev_part;
34 static struct disk_partition fs_partition;
35 static int fs_type = FS_TYPE_ANY;
36
fs_probe_unsupported(struct blk_desc * fs_dev_desc,struct disk_partition * fs_partition)37 static inline int fs_probe_unsupported(struct blk_desc *fs_dev_desc,
38 struct disk_partition *fs_partition)
39 {
40 log_err("** Unrecognized filesystem type **\n");
41 return -1;
42 }
43
fs_ls_unsupported(const char * dirname)44 static inline int fs_ls_unsupported(const char *dirname)
45 {
46 return -1;
47 }
48
49 /* generic implementation of ls in terms of opendir/readdir/closedir */
50 __maybe_unused
fs_ls_generic(const char * dirname)51 static int fs_ls_generic(const char *dirname)
52 {
53 struct fs_dir_stream *dirs;
54 struct fs_dirent *dent;
55 int nfiles = 0, ndirs = 0;
56
57 dirs = fs_opendir(dirname);
58 if (!dirs)
59 return -errno;
60
61 while ((dent = fs_readdir(dirs))) {
62 if (dent->type == FS_DT_DIR) {
63 printf(" %s/\n", dent->name);
64 ndirs++;
65 } else if (dent->type == FS_DT_LNK) {
66 printf(" <SYM> %s\n", dent->name);
67 nfiles++;
68 } else {
69 printf(" %8lld %s\n", dent->size, dent->name);
70 nfiles++;
71 }
72 }
73
74 fs_closedir(dirs);
75
76 printf("\n%d file(s), %d dir(s)\n\n", nfiles, ndirs);
77
78 return 0;
79 }
80
fs_exists_unsupported(const char * filename)81 static inline int fs_exists_unsupported(const char *filename)
82 {
83 return 0;
84 }
85
fs_size_unsupported(const char * filename,loff_t * size)86 static inline int fs_size_unsupported(const char *filename, loff_t *size)
87 {
88 return -1;
89 }
90
fs_read_unsupported(const char * filename,void * buf,loff_t offset,loff_t len,loff_t * actread)91 static inline int fs_read_unsupported(const char *filename, void *buf,
92 loff_t offset, loff_t len,
93 loff_t *actread)
94 {
95 return -1;
96 }
97
fs_write_unsupported(const char * filename,void * buf,loff_t offset,loff_t len,loff_t * actwrite)98 static inline int fs_write_unsupported(const char *filename, void *buf,
99 loff_t offset, loff_t len,
100 loff_t *actwrite)
101 {
102 return -1;
103 }
104
fs_ln_unsupported(const char * filename,const char * target)105 static inline int fs_ln_unsupported(const char *filename, const char *target)
106 {
107 return -1;
108 }
109
fs_close_unsupported(void)110 static inline void fs_close_unsupported(void)
111 {
112 }
113
fs_uuid_unsupported(char * uuid_str)114 static inline int fs_uuid_unsupported(char *uuid_str)
115 {
116 return -1;
117 }
118
fs_opendir_unsupported(const char * filename,struct fs_dir_stream ** dirs)119 static inline int fs_opendir_unsupported(const char *filename,
120 struct fs_dir_stream **dirs)
121 {
122 return -EACCES;
123 }
124
fs_unlink_unsupported(const char * filename)125 static inline int fs_unlink_unsupported(const char *filename)
126 {
127 return -1;
128 }
129
fs_mkdir_unsupported(const char * dirname)130 static inline int fs_mkdir_unsupported(const char *dirname)
131 {
132 return -1;
133 }
134
135 struct fstype_info {
136 int fstype;
137 char *name;
138 /*
139 * Is it legal to pass NULL as .probe()'s fs_dev_desc parameter? This
140 * should be false in most cases. For "virtual" filesystems which
141 * aren't based on a U-Boot block device (e.g. sandbox), this can be
142 * set to true. This should also be true for the dummy entry at the end
143 * of fstypes[], since that is essentially a "virtual" (non-existent)
144 * filesystem.
145 */
146 bool null_dev_desc_ok;
147 int (*probe)(struct blk_desc *fs_dev_desc,
148 struct disk_partition *fs_partition);
149 int (*ls)(const char *dirname);
150 int (*exists)(const char *filename);
151 int (*size)(const char *filename, loff_t *size);
152 int (*read)(const char *filename, void *buf, loff_t offset,
153 loff_t len, loff_t *actread);
154 int (*write)(const char *filename, void *buf, loff_t offset,
155 loff_t len, loff_t *actwrite);
156 void (*close)(void);
157 int (*uuid)(char *uuid_str);
158 /*
159 * Open a directory stream. On success return 0 and directory
160 * stream pointer via 'dirsp'. On error, return -errno. See
161 * fs_opendir().
162 */
163 int (*opendir)(const char *filename, struct fs_dir_stream **dirsp);
164 /*
165 * Read next entry from directory stream. On success return 0
166 * and directory entry pointer via 'dentp'. On error return
167 * -errno. See fs_readdir().
168 */
169 int (*readdir)(struct fs_dir_stream *dirs, struct fs_dirent **dentp);
170 /* see fs_closedir() */
171 void (*closedir)(struct fs_dir_stream *dirs);
172 int (*unlink)(const char *filename);
173 int (*mkdir)(const char *dirname);
174 int (*ln)(const char *filename, const char *target);
175 };
176
177 static struct fstype_info fstypes[] = {
178 #ifdef CONFIG_FS_FAT
179 {
180 .fstype = FS_TYPE_FAT,
181 .name = "fat",
182 .null_dev_desc_ok = false,
183 .probe = fat_set_blk_dev,
184 .close = fat_close,
185 .ls = fs_ls_generic,
186 .exists = fat_exists,
187 .size = fat_size,
188 .read = fat_read_file,
189 #if CONFIG_IS_ENABLED(FAT_WRITE)
190 .write = file_fat_write,
191 .unlink = fat_unlink,
192 .mkdir = fat_mkdir,
193 #else
194 .write = fs_write_unsupported,
195 .unlink = fs_unlink_unsupported,
196 .mkdir = fs_mkdir_unsupported,
197 #endif
198 .uuid = fat_uuid,
199 .opendir = fat_opendir,
200 .readdir = fat_readdir,
201 .closedir = fat_closedir,
202 .ln = fs_ln_unsupported,
203 },
204 #endif
205
206 #if CONFIG_IS_ENABLED(FS_EXT4)
207 {
208 .fstype = FS_TYPE_EXT,
209 .name = "ext4",
210 .null_dev_desc_ok = false,
211 .probe = ext4fs_probe,
212 .close = ext4fs_close,
213 .ls = ext4fs_ls,
214 .exists = ext4fs_exists,
215 .size = ext4fs_size,
216 .read = ext4_read_file,
217 #ifdef CONFIG_CMD_EXT4_WRITE
218 .write = ext4_write_file,
219 .ln = ext4fs_create_link,
220 #else
221 .write = fs_write_unsupported,
222 .ln = fs_ln_unsupported,
223 #endif
224 .uuid = ext4fs_uuid,
225 .opendir = fs_opendir_unsupported,
226 .unlink = fs_unlink_unsupported,
227 .mkdir = fs_mkdir_unsupported,
228 },
229 #endif
230 #ifdef CONFIG_SANDBOX
231 {
232 .fstype = FS_TYPE_SANDBOX,
233 .name = "sandbox",
234 .null_dev_desc_ok = true,
235 .probe = sandbox_fs_set_blk_dev,
236 .close = sandbox_fs_close,
237 .ls = sandbox_fs_ls,
238 .exists = sandbox_fs_exists,
239 .size = sandbox_fs_size,
240 .read = fs_read_sandbox,
241 .write = fs_write_sandbox,
242 .uuid = fs_uuid_unsupported,
243 .opendir = fs_opendir_unsupported,
244 .unlink = fs_unlink_unsupported,
245 .mkdir = fs_mkdir_unsupported,
246 .ln = fs_ln_unsupported,
247 },
248 #endif
249 #ifdef CONFIG_CMD_UBIFS
250 {
251 .fstype = FS_TYPE_UBIFS,
252 .name = "ubifs",
253 .null_dev_desc_ok = true,
254 .probe = ubifs_set_blk_dev,
255 .close = ubifs_close,
256 .ls = ubifs_ls,
257 .exists = ubifs_exists,
258 .size = ubifs_size,
259 .read = ubifs_read,
260 .write = fs_write_unsupported,
261 .uuid = fs_uuid_unsupported,
262 .opendir = fs_opendir_unsupported,
263 .unlink = fs_unlink_unsupported,
264 .mkdir = fs_mkdir_unsupported,
265 .ln = fs_ln_unsupported,
266 },
267 #endif
268 #ifdef CONFIG_FS_BTRFS
269 {
270 .fstype = FS_TYPE_BTRFS,
271 .name = "btrfs",
272 .null_dev_desc_ok = false,
273 .probe = btrfs_probe,
274 .close = btrfs_close,
275 .ls = btrfs_ls,
276 .exists = btrfs_exists,
277 .size = btrfs_size,
278 .read = btrfs_read,
279 .write = fs_write_unsupported,
280 .uuid = btrfs_uuid,
281 .opendir = fs_opendir_unsupported,
282 .unlink = fs_unlink_unsupported,
283 .mkdir = fs_mkdir_unsupported,
284 .ln = fs_ln_unsupported,
285 },
286 #endif
287 #if IS_ENABLED(CONFIG_FS_SQUASHFS)
288 {
289 .fstype = FS_TYPE_SQUASHFS,
290 .name = "squashfs",
291 .null_dev_desc_ok = false,
292 .probe = sqfs_probe,
293 .opendir = sqfs_opendir,
294 .readdir = sqfs_readdir,
295 .ls = fs_ls_generic,
296 .read = sqfs_read,
297 .size = sqfs_size,
298 .close = sqfs_close,
299 .closedir = sqfs_closedir,
300 .exists = sqfs_exists,
301 .uuid = fs_uuid_unsupported,
302 .write = fs_write_unsupported,
303 .ln = fs_ln_unsupported,
304 .unlink = fs_unlink_unsupported,
305 .mkdir = fs_mkdir_unsupported,
306 },
307 #endif
308 {
309 .fstype = FS_TYPE_ANY,
310 .name = "unsupported",
311 .null_dev_desc_ok = true,
312 .probe = fs_probe_unsupported,
313 .close = fs_close_unsupported,
314 .ls = fs_ls_unsupported,
315 .exists = fs_exists_unsupported,
316 .size = fs_size_unsupported,
317 .read = fs_read_unsupported,
318 .write = fs_write_unsupported,
319 .uuid = fs_uuid_unsupported,
320 .opendir = fs_opendir_unsupported,
321 .unlink = fs_unlink_unsupported,
322 .mkdir = fs_mkdir_unsupported,
323 .ln = fs_ln_unsupported,
324 },
325 };
326
fs_get_info(int fstype)327 static struct fstype_info *fs_get_info(int fstype)
328 {
329 struct fstype_info *info;
330 int i;
331
332 for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes) - 1; i++, info++) {
333 if (fstype == info->fstype)
334 return info;
335 }
336
337 /* Return the 'unsupported' sentinel */
338 return info;
339 }
340
341 /**
342 * fs_get_type() - Get type of current filesystem
343 *
344 * Return: filesystem type
345 *
346 * Returns filesystem type representing the current filesystem, or
347 * FS_TYPE_ANY for any unrecognised filesystem.
348 */
fs_get_type(void)349 int fs_get_type(void)
350 {
351 return fs_type;
352 }
353
354 /**
355 * fs_get_type_name() - Get type of current filesystem
356 *
357 * Return: Pointer to filesystem name
358 *
359 * Returns a string describing the current filesystem, or the sentinel
360 * "unsupported" for any unrecognised filesystem.
361 */
fs_get_type_name(void)362 const char *fs_get_type_name(void)
363 {
364 return fs_get_info(fs_type)->name;
365 }
366
fs_set_blk_dev(const char * ifname,const char * dev_part_str,int fstype)367 int fs_set_blk_dev(const char *ifname, const char *dev_part_str, int fstype)
368 {
369 struct fstype_info *info;
370 int part, i;
371 #ifdef CONFIG_NEEDS_MANUAL_RELOC
372 static int relocated;
373
374 if (!relocated) {
375 for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes);
376 i++, info++) {
377 info->name += gd->reloc_off;
378 info->probe += gd->reloc_off;
379 info->close += gd->reloc_off;
380 info->ls += gd->reloc_off;
381 info->read += gd->reloc_off;
382 info->write += gd->reloc_off;
383 }
384 relocated = 1;
385 }
386 #endif
387
388 part = part_get_info_by_dev_and_name_or_num(ifname, dev_part_str, &fs_dev_desc,
389 &fs_partition, 1);
390 if (part < 0)
391 return -1;
392
393 for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) {
394 if (fstype != FS_TYPE_ANY && info->fstype != FS_TYPE_ANY &&
395 fstype != info->fstype)
396 continue;
397
398 if (!fs_dev_desc && !info->null_dev_desc_ok)
399 continue;
400
401 if (!info->probe(fs_dev_desc, &fs_partition)) {
402 fs_type = info->fstype;
403 fs_dev_part = part;
404 return 0;
405 }
406 }
407
408 return -1;
409 }
410
411 /* set current blk device w/ blk_desc + partition # */
fs_set_blk_dev_with_part(struct blk_desc * desc,int part)412 int fs_set_blk_dev_with_part(struct blk_desc *desc, int part)
413 {
414 struct fstype_info *info;
415 int ret, i;
416
417 if (part >= 1)
418 ret = part_get_info(desc, part, &fs_partition);
419 else
420 ret = part_get_info_whole_disk(desc, &fs_partition);
421 if (ret)
422 return ret;
423 fs_dev_desc = desc;
424
425 for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) {
426 if (!info->probe(fs_dev_desc, &fs_partition)) {
427 fs_type = info->fstype;
428 fs_dev_part = part;
429 return 0;
430 }
431 }
432
433 return -1;
434 }
435
fs_close(void)436 void fs_close(void)
437 {
438 struct fstype_info *info = fs_get_info(fs_type);
439
440 info->close();
441
442 fs_type = FS_TYPE_ANY;
443 }
444
fs_uuid(char * uuid_str)445 int fs_uuid(char *uuid_str)
446 {
447 struct fstype_info *info = fs_get_info(fs_type);
448
449 return info->uuid(uuid_str);
450 }
451
fs_ls(const char * dirname)452 int fs_ls(const char *dirname)
453 {
454 int ret;
455
456 struct fstype_info *info = fs_get_info(fs_type);
457
458 ret = info->ls(dirname);
459
460 fs_close();
461
462 return ret;
463 }
464
fs_exists(const char * filename)465 int fs_exists(const char *filename)
466 {
467 int ret;
468
469 struct fstype_info *info = fs_get_info(fs_type);
470
471 ret = info->exists(filename);
472
473 fs_close();
474
475 return ret;
476 }
477
fs_size(const char * filename,loff_t * size)478 int fs_size(const char *filename, loff_t *size)
479 {
480 int ret;
481
482 struct fstype_info *info = fs_get_info(fs_type);
483
484 ret = info->size(filename, size);
485
486 fs_close();
487
488 return ret;
489 }
490
491 #ifdef CONFIG_LMB
492 /* Check if a file may be read to the given address */
fs_read_lmb_check(const char * filename,ulong addr,loff_t offset,loff_t len,struct fstype_info * info)493 static int fs_read_lmb_check(const char *filename, ulong addr, loff_t offset,
494 loff_t len, struct fstype_info *info)
495 {
496 struct lmb lmb;
497 int ret;
498 loff_t size;
499 loff_t read_len;
500
501 /* get the actual size of the file */
502 ret = info->size(filename, &size);
503 if (ret)
504 return ret;
505 if (offset >= size) {
506 /* offset >= EOF, no bytes will be written */
507 return 0;
508 }
509 read_len = size - offset;
510
511 /* limit to 'len' if it is smaller */
512 if (len && len < read_len)
513 read_len = len;
514
515 lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob);
516 lmb_dump_all(&lmb);
517
518 if (lmb_alloc_addr(&lmb, addr, read_len) == addr)
519 return 0;
520
521 log_err("** Reading file would overwrite reserved memory **\n");
522 return -ENOSPC;
523 }
524 #endif
525
_fs_read(const char * filename,ulong addr,loff_t offset,loff_t len,int do_lmb_check,loff_t * actread)526 static int _fs_read(const char *filename, ulong addr, loff_t offset, loff_t len,
527 int do_lmb_check, loff_t *actread)
528 {
529 struct fstype_info *info = fs_get_info(fs_type);
530 void *buf;
531 int ret;
532
533 #ifdef CONFIG_LMB
534 if (do_lmb_check) {
535 ret = fs_read_lmb_check(filename, addr, offset, len, info);
536 if (ret)
537 return ret;
538 }
539 #endif
540
541 /*
542 * We don't actually know how many bytes are being read, since len==0
543 * means read the whole file.
544 */
545 buf = map_sysmem(addr, len);
546 ret = info->read(filename, buf, offset, len, actread);
547 unmap_sysmem(buf);
548
549 /* If we requested a specific number of bytes, check we got it */
550 if (ret == 0 && len && *actread != len)
551 log_debug("** %s shorter than offset + len **\n", filename);
552 fs_close();
553
554 return ret;
555 }
556
fs_read(const char * filename,ulong addr,loff_t offset,loff_t len,loff_t * actread)557 int fs_read(const char *filename, ulong addr, loff_t offset, loff_t len,
558 loff_t *actread)
559 {
560 return _fs_read(filename, addr, offset, len, 0, actread);
561 }
562
fs_write(const char * filename,ulong addr,loff_t offset,loff_t len,loff_t * actwrite)563 int fs_write(const char *filename, ulong addr, loff_t offset, loff_t len,
564 loff_t *actwrite)
565 {
566 struct fstype_info *info = fs_get_info(fs_type);
567 void *buf;
568 int ret;
569
570 buf = map_sysmem(addr, len);
571 ret = info->write(filename, buf, offset, len, actwrite);
572 unmap_sysmem(buf);
573
574 if (ret < 0 && len != *actwrite) {
575 log_err("** Unable to write file %s **\n", filename);
576 ret = -1;
577 }
578 fs_close();
579
580 return ret;
581 }
582
fs_opendir(const char * filename)583 struct fs_dir_stream *fs_opendir(const char *filename)
584 {
585 struct fstype_info *info = fs_get_info(fs_type);
586 struct fs_dir_stream *dirs = NULL;
587 int ret;
588
589 ret = info->opendir(filename, &dirs);
590 fs_close();
591 if (ret) {
592 errno = -ret;
593 return NULL;
594 }
595
596 dirs->desc = fs_dev_desc;
597 dirs->part = fs_dev_part;
598
599 return dirs;
600 }
601
fs_readdir(struct fs_dir_stream * dirs)602 struct fs_dirent *fs_readdir(struct fs_dir_stream *dirs)
603 {
604 struct fstype_info *info;
605 struct fs_dirent *dirent;
606 int ret;
607
608 fs_set_blk_dev_with_part(dirs->desc, dirs->part);
609 info = fs_get_info(fs_type);
610
611 ret = info->readdir(dirs, &dirent);
612 fs_close();
613 if (ret) {
614 errno = -ret;
615 return NULL;
616 }
617
618 return dirent;
619 }
620
fs_closedir(struct fs_dir_stream * dirs)621 void fs_closedir(struct fs_dir_stream *dirs)
622 {
623 struct fstype_info *info;
624
625 if (!dirs)
626 return;
627
628 fs_set_blk_dev_with_part(dirs->desc, dirs->part);
629 info = fs_get_info(fs_type);
630
631 info->closedir(dirs);
632 fs_close();
633 }
634
fs_unlink(const char * filename)635 int fs_unlink(const char *filename)
636 {
637 int ret;
638
639 struct fstype_info *info = fs_get_info(fs_type);
640
641 ret = info->unlink(filename);
642
643 fs_close();
644
645 return ret;
646 }
647
fs_mkdir(const char * dirname)648 int fs_mkdir(const char *dirname)
649 {
650 int ret;
651
652 struct fstype_info *info = fs_get_info(fs_type);
653
654 ret = info->mkdir(dirname);
655
656 fs_close();
657
658 return ret;
659 }
660
fs_ln(const char * fname,const char * target)661 int fs_ln(const char *fname, const char *target)
662 {
663 struct fstype_info *info = fs_get_info(fs_type);
664 int ret;
665
666 ret = info->ln(fname, target);
667
668 if (ret < 0) {
669 log_err("** Unable to create link %s -> %s **\n", fname, target);
670 ret = -1;
671 }
672 fs_close();
673
674 return ret;
675 }
676
do_size(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[],int fstype)677 int do_size(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
678 int fstype)
679 {
680 loff_t size;
681
682 if (argc != 4)
683 return CMD_RET_USAGE;
684
685 if (fs_set_blk_dev(argv[1], argv[2], fstype))
686 return 1;
687
688 if (fs_size(argv[3], &size) < 0)
689 return CMD_RET_FAILURE;
690
691 env_set_hex("filesize", size);
692
693 return 0;
694 }
695
do_load(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[],int fstype)696 int do_load(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
697 int fstype)
698 {
699 unsigned long addr;
700 const char *addr_str;
701 const char *filename;
702 loff_t bytes;
703 loff_t pos;
704 loff_t len_read;
705 int ret;
706 unsigned long time;
707 char *ep;
708
709 if (argc < 2)
710 return CMD_RET_USAGE;
711 if (argc > 7)
712 return CMD_RET_USAGE;
713
714 if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype)) {
715 log_err("Can't set block device\n");
716 return 1;
717 }
718
719 if (argc >= 4) {
720 addr = simple_strtoul(argv[3], &ep, 16);
721 if (ep == argv[3] || *ep != '\0')
722 return CMD_RET_USAGE;
723 } else {
724 addr_str = env_get("loadaddr");
725 if (addr_str != NULL)
726 addr = simple_strtoul(addr_str, NULL, 16);
727 else
728 addr = CONFIG_SYS_LOAD_ADDR;
729 }
730 if (argc >= 5) {
731 filename = argv[4];
732 } else {
733 filename = env_get("bootfile");
734 if (!filename) {
735 puts("** No boot file defined **\n");
736 return 1;
737 }
738 }
739 if (argc >= 6)
740 bytes = simple_strtoul(argv[5], NULL, 16);
741 else
742 bytes = 0;
743 if (argc >= 7)
744 pos = simple_strtoul(argv[6], NULL, 16);
745 else
746 pos = 0;
747
748 time = get_timer(0);
749 ret = _fs_read(filename, addr, pos, bytes, 1, &len_read);
750 time = get_timer(time);
751 if (ret < 0) {
752 log_err("Failed to load '%s'\n", filename);
753 return 1;
754 }
755
756 if (IS_ENABLED(CONFIG_CMD_BOOTEFI))
757 efi_set_bootdev(argv[1], (argc > 2) ? argv[2] : "",
758 (argc > 4) ? argv[4] : "", map_sysmem(addr, 0),
759 len_read);
760
761 printf("%llu bytes read in %lu ms", len_read, time);
762 if (time > 0) {
763 puts(" (");
764 print_size(div_u64(len_read, time) * 1000, "/s");
765 puts(")");
766 }
767 puts("\n");
768
769 env_set_hex("fileaddr", addr);
770 env_set_hex("filesize", len_read);
771
772 return 0;
773 }
774
do_ls(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[],int fstype)775 int do_ls(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
776 int fstype)
777 {
778 if (argc < 2)
779 return CMD_RET_USAGE;
780 if (argc > 4)
781 return CMD_RET_USAGE;
782
783 if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
784 return 1;
785
786 if (fs_ls(argc >= 4 ? argv[3] : "/"))
787 return 1;
788
789 return 0;
790 }
791
file_exists(const char * dev_type,const char * dev_part,const char * file,int fstype)792 int file_exists(const char *dev_type, const char *dev_part, const char *file,
793 int fstype)
794 {
795 if (fs_set_blk_dev(dev_type, dev_part, fstype))
796 return 0;
797
798 return fs_exists(file);
799 }
800
do_save(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[],int fstype)801 int do_save(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
802 int fstype)
803 {
804 unsigned long addr;
805 const char *filename;
806 loff_t bytes;
807 loff_t pos;
808 loff_t len;
809 int ret;
810 unsigned long time;
811
812 if (argc < 6 || argc > 7)
813 return CMD_RET_USAGE;
814
815 if (fs_set_blk_dev(argv[1], argv[2], fstype))
816 return 1;
817
818 addr = simple_strtoul(argv[3], NULL, 16);
819 filename = argv[4];
820 bytes = simple_strtoul(argv[5], NULL, 16);
821 if (argc >= 7)
822 pos = simple_strtoul(argv[6], NULL, 16);
823 else
824 pos = 0;
825
826 time = get_timer(0);
827 ret = fs_write(filename, addr, pos, bytes, &len);
828 time = get_timer(time);
829 if (ret < 0)
830 return 1;
831
832 printf("%llu bytes written in %lu ms", len, time);
833 if (time > 0) {
834 puts(" (");
835 print_size(div_u64(len, time) * 1000, "/s");
836 puts(")");
837 }
838 puts("\n");
839
840 return 0;
841 }
842
do_fs_uuid(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[],int fstype)843 int do_fs_uuid(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
844 int fstype)
845 {
846 int ret;
847 char uuid[37];
848 memset(uuid, 0, sizeof(uuid));
849
850 if (argc < 3 || argc > 4)
851 return CMD_RET_USAGE;
852
853 if (fs_set_blk_dev(argv[1], argv[2], fstype))
854 return 1;
855
856 ret = fs_uuid(uuid);
857 if (ret)
858 return CMD_RET_FAILURE;
859
860 if (argc == 4)
861 env_set(argv[3], uuid);
862 else
863 printf("%s\n", uuid);
864
865 return CMD_RET_SUCCESS;
866 }
867
do_fs_type(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])868 int do_fs_type(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
869 {
870 struct fstype_info *info;
871
872 if (argc < 3 || argc > 4)
873 return CMD_RET_USAGE;
874
875 if (fs_set_blk_dev(argv[1], argv[2], FS_TYPE_ANY))
876 return 1;
877
878 info = fs_get_info(fs_type);
879
880 if (argc == 4)
881 env_set(argv[3], info->name);
882 else
883 printf("%s\n", info->name);
884
885 fs_close();
886
887 return CMD_RET_SUCCESS;
888 }
889
do_rm(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[],int fstype)890 int do_rm(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
891 int fstype)
892 {
893 if (argc != 4)
894 return CMD_RET_USAGE;
895
896 if (fs_set_blk_dev(argv[1], argv[2], fstype))
897 return 1;
898
899 if (fs_unlink(argv[3]))
900 return 1;
901
902 return 0;
903 }
904
do_mkdir(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[],int fstype)905 int do_mkdir(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
906 int fstype)
907 {
908 int ret;
909
910 if (argc != 4)
911 return CMD_RET_USAGE;
912
913 if (fs_set_blk_dev(argv[1], argv[2], fstype))
914 return 1;
915
916 ret = fs_mkdir(argv[3]);
917 if (ret) {
918 log_err("** Unable to create a directory \"%s\" **\n", argv[3]);
919 return 1;
920 }
921
922 return 0;
923 }
924
do_ln(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[],int fstype)925 int do_ln(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
926 int fstype)
927 {
928 if (argc != 5)
929 return CMD_RET_USAGE;
930
931 if (fs_set_blk_dev(argv[1], argv[2], fstype))
932 return 1;
933
934 if (fs_ln(argv[3], argv[4]))
935 return 1;
936
937 return 0;
938 }
939
do_fs_types(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])940 int do_fs_types(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
941 {
942 struct fstype_info *drv = fstypes;
943 const int n_ents = ARRAY_SIZE(fstypes);
944 struct fstype_info *entry;
945 int i = 0;
946
947 puts("Supported filesystems");
948 for (entry = drv; entry != drv + n_ents; entry++) {
949 if (entry->fstype != FS_TYPE_ANY) {
950 printf("%c %s", i ? ',' : ':', entry->name);
951 i++;
952 }
953 }
954 if (!i)
955 puts(": <none>");
956 puts("\n");
957 return CMD_RET_SUCCESS;
958 }
959