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22#include <common.h>
23#include <div64.h>
24
25#include <config.h>
26#include "nand.h"
27#include "yaffscfg.h"
28#include "yaffsfs.h"
29#include "yaffs_packedtags2.h"
30#include "yaffs_mtdif.h"
31#include "yaffs_mtdif2.h"
32#if 0
33#include <errno.h>
34#else
35#include "malloc.h"
36#endif
37
38unsigned yaffs_trace_mask = 0x0;
39static int yaffs_errno;
40
41
42void yaffs_bug_fn(const char *fn, int n)
43{
44 printf("yaffs bug at %s:%d\n", fn, n);
45}
46
47void *yaffsfs_malloc(size_t x)
48{
49 return malloc(x);
50}
51
52void yaffsfs_free(void *x)
53{
54 free(x);
55}
56
57void yaffsfs_SetError(int err)
58{
59 yaffs_errno = err;
60}
61
62int yaffsfs_GetLastError(void)
63{
64 return yaffs_errno;
65}
66
67
68int yaffsfs_GetError(void)
69{
70 return yaffs_errno;
71}
72
73void yaffsfs_Lock(void)
74{
75}
76
77void yaffsfs_Unlock(void)
78{
79}
80
81__u32 yaffsfs_CurrentTime(void)
82{
83 return 0;
84}
85
86void *yaffs_malloc(size_t size)
87{
88 return malloc(size);
89}
90
91void yaffs_free(void *ptr)
92{
93 free(ptr);
94}
95
96void yaffsfs_LocalInitialisation(void)
97{
98
99}
100
101
102static const char *yaffs_file_type_str(struct yaffs_stat *stat)
103{
104 switch (stat->st_mode & S_IFMT) {
105 case S_IFREG: return "regular file";
106 case S_IFDIR: return "directory";
107 case S_IFLNK: return "symlink";
108 default: return "unknown";
109 }
110}
111
112static const char *yaffs_error_str(void)
113{
114 int error = yaffsfs_GetLastError();
115
116 if (error < 0)
117 error = -error;
118
119 switch (error) {
120 case EBUSY: return "Busy";
121 case ENODEV: return "No such device";
122 case EINVAL: return "Invalid parameter";
123 case ENFILE: return "Too many open files";
124 case EBADF: return "Bad handle";
125 case EACCES: return "Wrong permissions";
126 case EXDEV: return "Not on same device";
127 case ENOENT: return "No such entry";
128 case ENOSPC: return "Device full";
129 case EROFS: return "Read only file system";
130 case ERANGE: return "Range error";
131 case ENOTEMPTY: return "Not empty";
132 case ENAMETOOLONG: return "Name too long";
133 case ENOMEM: return "Out of memory";
134 case EFAULT: return "Fault";
135 case EEXIST: return "Name exists";
136 case ENOTDIR: return "Not a directory";
137 case EISDIR: return "Not permitted on a directory";
138 case ELOOP: return "Symlink loop";
139 case 0: return "No error";
140 default: return "Unknown error";
141 }
142}
143
144void cmd_yaffs_tracemask(unsigned set, unsigned mask)
145{
146 if (set)
147 yaffs_trace_mask = mask;
148
149 printf("yaffs trace mask: %08x\n", yaffs_trace_mask);
150}
151
152static int yaffs_regions_overlap(int a, int b, int x, int y)
153{
154 return (a <= x && x <= b) ||
155 (a <= y && y <= b) ||
156 (x <= a && a <= y) ||
157 (x <= b && b <= y);
158}
159
160void cmd_yaffs_devconfig(char *_mp, int flash_dev,
161 int start_block, int end_block)
162{
163 struct mtd_info *mtd = NULL;
164 struct yaffs_dev *dev = NULL;
165 struct yaffs_dev *chk;
166 char *mp = NULL;
167 struct nand_chip *chip;
168
169 mtd = get_nand_dev_by_index(flash_dev);
170 if (!mtd) {
171 pr_err("\nno NAND devices available\n");
172 return;
173 }
174
175 dev = calloc(1, sizeof(*dev));
176 mp = strdup(_mp);
177
178 if (!dev || !mp) {
179
180 printf("Failed to allocate memory\n");
181 goto err;
182 }
183
184 if (flash_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
185 printf("Flash device invalid\n");
186 goto err;
187 }
188
189 if (end_block == 0)
190 end_block = lldiv(mtd->size, mtd->erasesize - 1);
191
192 if (end_block < start_block) {
193 printf("Bad start/end\n");
194 goto err;
195 }
196
197 chip = mtd_to_nand(mtd);
198
199
200 yaffs_dev_rewind();
201 while (1) {
202 chk = yaffs_next_dev();
203 if (!chk)
204 break;
205 if (strcmp(chk->param.name, mp) == 0) {
206 printf("Mount point name already used\n");
207 goto err;
208 }
209 if (chk->driver_context == mtd &&
210 yaffs_regions_overlap(
211 chk->param.start_block, chk->param.end_block,
212 start_block, end_block)) {
213 printf("Region overlaps with partition %s\n",
214 chk->param.name);
215 goto err;
216 }
217
218 }
219
220
221 memset(dev, 0, sizeof(*dev));
222 dev->param.name = mp;
223 dev->driver_context = mtd;
224 dev->param.start_block = start_block;
225 dev->param.end_block = end_block;
226 dev->param.chunks_per_block = mtd->erasesize / mtd->writesize;
227 dev->param.total_bytes_per_chunk = mtd->writesize;
228 dev->param.is_yaffs2 = 1;
229 dev->param.use_nand_ecc = 1;
230 dev->param.n_reserved_blocks = 5;
231 if (chip->ecc.layout->oobavail < sizeof(struct yaffs_packed_tags2))
232 dev->param.inband_tags = 1;
233 dev->param.n_caches = 10;
234 dev->param.write_chunk_tags_fn = nandmtd2_write_chunk_tags;
235 dev->param.read_chunk_tags_fn = nandmtd2_read_chunk_tags;
236 dev->param.erase_fn = nandmtd_EraseBlockInNAND;
237 dev->param.initialise_flash_fn = nandmtd_InitialiseNAND;
238 dev->param.bad_block_fn = nandmtd2_MarkNANDBlockBad;
239 dev->param.query_block_fn = nandmtd2_QueryNANDBlock;
240
241 yaffs_add_device(dev);
242
243 printf("Configures yaffs mount %s: dev %d start block %d, end block %d %s\n",
244 mp, flash_dev, start_block, end_block,
245 dev->param.inband_tags ? "using inband tags" : "");
246 return;
247
248err:
249 free(dev);
250 free(mp);
251}
252
253void cmd_yaffs_dev_ls(void)
254{
255 struct yaffs_dev *dev;
256 int flash_dev;
257 int free_space;
258
259 yaffs_dev_rewind();
260
261 while (1) {
262 dev = yaffs_next_dev();
263 if (!dev)
264 return;
265 flash_dev = nand_mtd_to_devnum(dev->driver_context);
266 printf("%-10s %5d 0x%05x 0x%05x %s",
267 dev->param.name, flash_dev,
268 dev->param.start_block, dev->param.end_block,
269 dev->param.inband_tags ? "using inband tags, " : "");
270
271 free_space = yaffs_freespace(dev->param.name);
272 if (free_space < 0)
273 printf("not mounted\n");
274 else
275 printf("free 0x%x\n", free_space);
276
277 }
278}
279
280void make_a_file(char *yaffsName, char bval, int sizeOfFile)
281{
282 int outh;
283 int i;
284 unsigned char buffer[100];
285
286 outh = yaffs_open(yaffsName,
287 O_CREAT | O_RDWR | O_TRUNC,
288 S_IREAD | S_IWRITE);
289 if (outh < 0) {
290 printf("Error opening file: %d. %s\n", outh, yaffs_error_str());
291 return;
292 }
293
294 memset(buffer, bval, 100);
295
296 do {
297 i = sizeOfFile;
298 if (i > 100)
299 i = 100;
300 sizeOfFile -= i;
301
302 yaffs_write(outh, buffer, i);
303
304 } while (sizeOfFile > 0);
305
306
307 yaffs_close(outh);
308}
309
310void read_a_file(char *fn)
311{
312 int h;
313 int i = 0;
314 unsigned char b;
315
316 h = yaffs_open(fn, O_RDWR, 0);
317 if (h < 0) {
318 printf("File not found\n");
319 return;
320 }
321
322 while (yaffs_read(h, &b, 1) > 0) {
323 printf("%02x ", b);
324 i++;
325 if (i > 32) {
326 printf("\n");
327 i = 0;
328 }
329 }
330 printf("\n");
331 yaffs_close(h);
332}
333
334void cmd_yaffs_mount(char *mp)
335{
336 int retval = yaffs_mount(mp);
337 if (retval < 0)
338 printf("Error mounting %s, return value: %d, %s\n", mp,
339 yaffsfs_GetError(), yaffs_error_str());
340}
341
342
343void cmd_yaffs_umount(char *mp)
344{
345 if (yaffs_unmount(mp) == -1)
346 printf("Error umounting %s, return value: %d, %s\n", mp,
347 yaffsfs_GetError(), yaffs_error_str());
348}
349
350void cmd_yaffs_write_file(char *yaffsName, char bval, int sizeOfFile)
351{
352 make_a_file(yaffsName, bval, sizeOfFile);
353}
354
355
356void cmd_yaffs_read_file(char *fn)
357{
358 read_a_file(fn);
359}
360
361
362void cmd_yaffs_mread_file(char *fn, char *addr)
363{
364 int h;
365 struct yaffs_stat s;
366
367 yaffs_stat(fn, &s);
368
369 printf("Copy %s to 0x%p... ", fn, addr);
370 h = yaffs_open(fn, O_RDWR, 0);
371 if (h < 0) {
372 printf("File not found\n");
373 return;
374 }
375
376 yaffs_read(h, addr, (int)s.st_size);
377 printf("\t[DONE]\n");
378
379 yaffs_close(h);
380}
381
382
383void cmd_yaffs_mwrite_file(char *fn, char *addr, int size)
384{
385 int outh;
386
387 outh = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
388 if (outh < 0)
389 printf("Error opening file: %d, %s\n", outh, yaffs_error_str());
390
391 yaffs_write(outh, addr, size);
392
393 yaffs_close(outh);
394}
395
396
397void cmd_yaffs_ls(const char *mountpt, int longlist)
398{
399 int i;
400 yaffs_DIR *d;
401 struct yaffs_dirent *de;
402 struct yaffs_stat stat;
403 char tempstr[255];
404
405 d = yaffs_opendir(mountpt);
406
407 if (!d) {
408 printf("opendir failed, %s\n", yaffs_error_str());
409 return;
410 }
411
412 for (i = 0; (de = yaffs_readdir(d)) != NULL; i++) {
413 if (longlist) {
414 sprintf(tempstr, "%s/%s", mountpt, de->d_name);
415 yaffs_lstat(tempstr, &stat);
416 printf("%-25s\t%7ld",
417 de->d_name,
418 (long)stat.st_size);
419 printf(" %5d %s\n",
420 stat.st_ino,
421 yaffs_file_type_str(&stat));
422 } else {
423 printf("%s\n", de->d_name);
424 }
425 }
426
427 yaffs_closedir(d);
428}
429
430
431void cmd_yaffs_mkdir(const char *dir)
432{
433 int retval = yaffs_mkdir(dir, 0);
434
435 if (retval < 0)
436 printf("yaffs_mkdir returning error: %d, %s\n",
437 retval, yaffs_error_str());
438}
439
440void cmd_yaffs_rmdir(const char *dir)
441{
442 int retval = yaffs_rmdir(dir);
443
444 if (retval < 0)
445 printf("yaffs_rmdir returning error: %d, %s\n",
446 retval, yaffs_error_str());
447}
448
449void cmd_yaffs_rm(const char *path)
450{
451 int retval = yaffs_unlink(path);
452
453 if (retval < 0)
454 printf("yaffs_unlink returning error: %d, %s\n",
455 retval, yaffs_error_str());
456}
457
458void cmd_yaffs_mv(const char *oldPath, const char *newPath)
459{
460 int retval = yaffs_rename(newPath, oldPath);
461
462 if (retval < 0)
463 printf("yaffs_unlink returning error: %d, %s\n",
464 retval, yaffs_error_str());
465}
466
