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Commit | Line | Data |
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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
5dfa25f2 | 2 | /* |
2dce551e | 3 | * (C) Copyright 2000-2009 |
5dfa25f2 | 4 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
5dfa25f2 WD |
5 | */ |
6 | ||
7 | /* | |
8 | * Command Processor Table | |
9 | */ | |
10 | ||
11 | #include <common.h> | |
12 | #include <command.h> | |
24b852a7 | 13 | #include <console.h> |
4d91a6ec | 14 | #include <linux/ctype.h> |
5dfa25f2 | 15 | |
5dfa25f2 WD |
16 | /* |
17 | * Use puts() instead of printf() to avoid printf buffer overflow | |
18 | * for long help messages | |
19 | */ | |
2dce551e | 20 | |
616e2162 MY |
21 | int _do_help(cmd_tbl_t *cmd_start, int cmd_items, cmd_tbl_t *cmdtp, int flag, |
22 | int argc, char * const argv[]) | |
5dfa25f2 WD |
23 | { |
24 | int i; | |
25 | int rcode = 0; | |
26 | ||
616e2162 | 27 | if (argc == 1) { /* show list of commands */ |
22b6fcb5 | 28 | cmd_tbl_t *cmd_array[cmd_items]; |
9d2b18a0 WD |
29 | int i, j, swaps; |
30 | ||
31 | /* Make array of commands from .uboot_cmd section */ | |
2dce551e | 32 | cmdtp = cmd_start; |
9d2b18a0 WD |
33 | for (i = 0; i < cmd_items; i++) { |
34 | cmd_array[i] = cmdtp++; | |
8bde7f77 | 35 | } |
8bde7f77 | 36 | |
9d2b18a0 WD |
37 | /* Sort command list (trivial bubble sort) */ |
38 | for (i = cmd_items - 1; i > 0; --i) { | |
39 | swaps = 0; | |
40 | for (j = 0; j < i; ++j) { | |
616e2162 MY |
41 | if (strcmp(cmd_array[j]->name, |
42 | cmd_array[j + 1]->name) > 0) { | |
9d2b18a0 WD |
43 | cmd_tbl_t *tmp; |
44 | tmp = cmd_array[j]; | |
45 | cmd_array[j] = cmd_array[j + 1]; | |
46 | cmd_array[j + 1] = tmp; | |
47 | ++swaps; | |
48 | } | |
8bde7f77 | 49 | } |
9d2b18a0 WD |
50 | if (!swaps) |
51 | break; | |
8bde7f77 | 52 | } |
5dfa25f2 | 53 | |
8bde7f77 | 54 | /* print short help (usage) */ |
9d2b18a0 WD |
55 | for (i = 0; i < cmd_items; i++) { |
56 | const char *usage = cmd_array[i]->usage; | |
57 | ||
5dfa25f2 | 58 | /* allow user abort */ |
616e2162 | 59 | if (ctrlc()) |
5dfa25f2 | 60 | return 1; |
9d2b18a0 | 61 | if (usage == NULL) |
5dfa25f2 | 62 | continue; |
2fb2604d PT |
63 | printf("%-*s- %s\n", CONFIG_SYS_HELP_CMD_WIDTH, |
64 | cmd_array[i]->name, usage); | |
5dfa25f2 | 65 | } |
5dfa25f2 WD |
66 | return 0; |
67 | } | |
5dfa25f2 WD |
68 | /* |
69 | * command help (long version) | |
70 | */ | |
8bde7f77 | 71 | for (i = 1; i < argc; ++i) { |
616e2162 MY |
72 | cmdtp = find_cmd_tbl(argv[i], cmd_start, cmd_items); |
73 | if (cmdtp != NULL) { | |
94796d85 | 74 | rcode |= cmd_usage(cmdtp); |
71f95118 | 75 | } else { |
616e2162 MY |
76 | printf("Unknown command '%s' - try 'help' without arguments for list of all known commands\n\n", |
77 | argv[i]); | |
5dfa25f2 WD |
78 | rcode = 1; |
79 | } | |
80 | } | |
81 | return rcode; | |
82 | } | |
83 | ||
616e2162 MY |
84 | /* find command table entry for a command */ |
85 | cmd_tbl_t *find_cmd_tbl(const char *cmd, cmd_tbl_t *table, int table_len) | |
5dfa25f2 | 86 | { |
f8bb6964 | 87 | #ifdef CONFIG_CMDLINE |
5dfa25f2 | 88 | cmd_tbl_t *cmdtp; |
616e2162 | 89 | cmd_tbl_t *cmdtp_temp = table; /* Init value */ |
9d2b18a0 WD |
90 | const char *p; |
91 | int len; | |
92 | int n_found = 0; | |
93 | ||
7013c061 TW |
94 | if (!cmd) |
95 | return NULL; | |
9d2b18a0 WD |
96 | /* |
97 | * Some commands allow length modifiers (like "cp.b"); | |
98 | * compare command name only until first dot. | |
99 | */ | |
100 | len = ((p = strchr(cmd, '.')) == NULL) ? strlen (cmd) : (p - cmd); | |
101 | ||
616e2162 MY |
102 | for (cmdtp = table; cmdtp != table + table_len; cmdtp++) { |
103 | if (strncmp(cmd, cmdtp->name, len) == 0) { | |
104 | if (len == strlen(cmdtp->name)) | |
9d2b18a0 WD |
105 | return cmdtp; /* full match */ |
106 | ||
107 | cmdtp_temp = cmdtp; /* abbreviated command ? */ | |
108 | n_found++; | |
109 | } | |
5dfa25f2 | 110 | } |
9d2b18a0 | 111 | if (n_found == 1) { /* exactly one match */ |
8bde7f77 | 112 | return cmdtp_temp; |
9d2b18a0 | 113 | } |
f8bb6964 | 114 | #endif /* CONFIG_CMDLINE */ |
5dfa25f2 | 115 | |
9d2b18a0 | 116 | return NULL; /* not found or ambiguous command */ |
8bde7f77 | 117 | } |
04a85b3b | 118 | |
616e2162 | 119 | cmd_tbl_t *find_cmd(const char *cmd) |
b799cb4c | 120 | { |
6c7c946c MV |
121 | cmd_tbl_t *start = ll_entry_start(cmd_tbl_t, cmd); |
122 | const int len = ll_entry_count(cmd_tbl_t, cmd); | |
123 | return find_cmd_tbl(cmd, start, len); | |
b799cb4c KG |
124 | } |
125 | ||
e84ffddb | 126 | int cmd_usage(const cmd_tbl_t *cmdtp) |
62c3ae7c | 127 | { |
94796d85 WD |
128 | printf("%s - %s\n\n", cmdtp->name, cmdtp->usage); |
129 | ||
130 | #ifdef CONFIG_SYS_LONGHELP | |
131 | printf("Usage:\n%s ", cmdtp->name); | |
132 | ||
133 | if (!cmdtp->help) { | |
134 | puts ("- No additional help available.\n"); | |
135 | return 1; | |
136 | } | |
137 | ||
616e2162 MY |
138 | puts(cmdtp->help); |
139 | putc('\n'); | |
94796d85 | 140 | #endif /* CONFIG_SYS_LONGHELP */ |
47e26b1b | 141 | return 1; |
62c3ae7c PT |
142 | } |
143 | ||
04a85b3b | 144 | #ifdef CONFIG_AUTO_COMPLETE |
03dcf17d | 145 | static char env_complete_buf[512]; |
04a85b3b | 146 | |
54841ab5 | 147 | int var_complete(int argc, char * const argv[], char last_char, int maxv, char *cmdv[]) |
04a85b3b | 148 | { |
04a85b3b WD |
149 | int space; |
150 | ||
4d91a6ec | 151 | space = last_char == '\0' || isblank(last_char); |
04a85b3b WD |
152 | |
153 | if (space && argc == 1) | |
03dcf17d BB |
154 | return env_complete("", maxv, cmdv, sizeof(env_complete_buf), |
155 | env_complete_buf, false); | |
04a85b3b WD |
156 | |
157 | if (!space && argc == 2) | |
03dcf17d BB |
158 | return env_complete(argv[1], maxv, cmdv, |
159 | sizeof(env_complete_buf), | |
160 | env_complete_buf, false); | |
560d424b | 161 | |
04a85b3b WD |
162 | return 0; |
163 | } | |
164 | ||
03dcf17d BB |
165 | static int dollar_complete(int argc, char * const argv[], char last_char, |
166 | int maxv, char *cmdv[]) | |
167 | { | |
168 | /* Make sure the last argument starts with a $. */ | |
169 | if (argc < 1 || argv[argc - 1][0] != '$' || | |
170 | last_char == '\0' || isblank(last_char)) | |
171 | return 0; | |
172 | ||
173 | return env_complete(argv[argc - 1], maxv, cmdv, sizeof(env_complete_buf), | |
174 | env_complete_buf, true); | |
175 | } | |
176 | ||
04a85b3b WD |
177 | /*************************************************************************************/ |
178 | ||
6fb61445 BB |
179 | int complete_subcmdv(cmd_tbl_t *cmdtp, int count, int argc, |
180 | char * const argv[], char last_char, | |
181 | int maxv, char *cmdv[]) | |
04a85b3b | 182 | { |
f8bb6964 | 183 | #ifdef CONFIG_CMDLINE |
6c7c946c | 184 | const cmd_tbl_t *cmdend = cmdtp + count; |
04a85b3b WD |
185 | const char *p; |
186 | int len, clen; | |
187 | int n_found = 0; | |
188 | const char *cmd; | |
189 | ||
190 | /* sanity? */ | |
191 | if (maxv < 2) | |
192 | return -2; | |
193 | ||
194 | cmdv[0] = NULL; | |
195 | ||
196 | if (argc == 0) { | |
197 | /* output full list of commands */ | |
6c7c946c | 198 | for (; cmdtp != cmdend; cmdtp++) { |
04a85b3b | 199 | if (n_found >= maxv - 2) { |
9b438946 | 200 | cmdv[n_found++] = "..."; |
04a85b3b WD |
201 | break; |
202 | } | |
9b438946 | 203 | cmdv[n_found++] = cmdtp->name; |
04a85b3b WD |
204 | } |
205 | cmdv[n_found] = NULL; | |
206 | return n_found; | |
207 | } | |
208 | ||
209 | /* more than one arg or one but the start of the next */ | |
616e2162 | 210 | if (argc > 1 || last_char == '\0' || isblank(last_char)) { |
6fb61445 | 211 | cmdtp = find_cmd_tbl(argv[0], cmdtp, count); |
04a85b3b WD |
212 | if (cmdtp == NULL || cmdtp->complete == NULL) { |
213 | cmdv[0] = NULL; | |
214 | return 0; | |
215 | } | |
216 | return (*cmdtp->complete)(argc, argv, last_char, maxv, cmdv); | |
217 | } | |
218 | ||
219 | cmd = argv[0]; | |
220 | /* | |
221 | * Some commands allow length modifiers (like "cp.b"); | |
222 | * compare command name only until first dot. | |
223 | */ | |
224 | p = strchr(cmd, '.'); | |
225 | if (p == NULL) | |
226 | len = strlen(cmd); | |
227 | else | |
228 | len = p - cmd; | |
229 | ||
230 | /* return the partial matches */ | |
6c7c946c | 231 | for (; cmdtp != cmdend; cmdtp++) { |
04a85b3b WD |
232 | |
233 | clen = strlen(cmdtp->name); | |
234 | if (clen < len) | |
235 | continue; | |
236 | ||
237 | if (memcmp(cmd, cmdtp->name, len) != 0) | |
238 | continue; | |
239 | ||
240 | /* too many! */ | |
241 | if (n_found >= maxv - 2) { | |
242 | cmdv[n_found++] = "..."; | |
243 | break; | |
244 | } | |
245 | ||
246 | cmdv[n_found++] = cmdtp->name; | |
247 | } | |
248 | ||
249 | cmdv[n_found] = NULL; | |
250 | return n_found; | |
f8bb6964 SG |
251 | #else |
252 | return 0; | |
253 | #endif | |
04a85b3b WD |
254 | } |
255 | ||
6fb61445 BB |
256 | static int complete_cmdv(int argc, char * const argv[], char last_char, |
257 | int maxv, char *cmdv[]) | |
258 | { | |
259 | #ifdef CONFIG_CMDLINE | |
260 | return complete_subcmdv(ll_entry_start(cmd_tbl_t, cmd), | |
261 | ll_entry_count(cmd_tbl_t, cmd), argc, argv, | |
262 | last_char, maxv, cmdv); | |
263 | #else | |
264 | return 0; | |
265 | #endif | |
266 | } | |
267 | ||
04a85b3b WD |
268 | static int make_argv(char *s, int argvsz, char *argv[]) |
269 | { | |
270 | int argc = 0; | |
271 | ||
272 | /* split into argv */ | |
273 | while (argc < argvsz - 1) { | |
274 | ||
275 | /* skip any white space */ | |
4d91a6ec | 276 | while (isblank(*s)) |
04a85b3b WD |
277 | ++s; |
278 | ||
53677ef1 | 279 | if (*s == '\0') /* end of s, no more args */ |
04a85b3b WD |
280 | break; |
281 | ||
282 | argv[argc++] = s; /* begin of argument string */ | |
283 | ||
284 | /* find end of string */ | |
4d91a6ec | 285 | while (*s && !isblank(*s)) |
04a85b3b WD |
286 | ++s; |
287 | ||
288 | if (*s == '\0') /* end of s, no more args */ | |
289 | break; | |
290 | ||
291 | *s++ = '\0'; /* terminate current arg */ | |
292 | } | |
293 | argv[argc] = NULL; | |
294 | ||
295 | return argc; | |
296 | } | |
297 | ||
54841ab5 | 298 | static void print_argv(const char *banner, const char *leader, const char *sep, int linemax, char * const argv[]) |
04a85b3b WD |
299 | { |
300 | int ll = leader != NULL ? strlen(leader) : 0; | |
301 | int sl = sep != NULL ? strlen(sep) : 0; | |
302 | int len, i; | |
303 | ||
304 | if (banner) { | |
305 | puts("\n"); | |
306 | puts(banner); | |
307 | } | |
308 | ||
309 | i = linemax; /* force leader and newline */ | |
310 | while (*argv != NULL) { | |
311 | len = strlen(*argv) + sl; | |
312 | if (i + len >= linemax) { | |
313 | puts("\n"); | |
314 | if (leader) | |
315 | puts(leader); | |
316 | i = ll - sl; | |
317 | } else if (sep) | |
318 | puts(sep); | |
319 | puts(*argv++); | |
320 | i += len; | |
321 | } | |
322 | printf("\n"); | |
323 | } | |
324 | ||
54841ab5 | 325 | static int find_common_prefix(char * const argv[]) |
04a85b3b WD |
326 | { |
327 | int i, len; | |
328 | char *anchor, *s, *t; | |
329 | ||
330 | if (*argv == NULL) | |
331 | return 0; | |
332 | ||
333 | /* begin with max */ | |
334 | anchor = *argv++; | |
335 | len = strlen(anchor); | |
336 | while ((t = *argv++) != NULL) { | |
337 | s = anchor; | |
338 | for (i = 0; i < len; i++, t++, s++) { | |
339 | if (*t != *s) | |
340 | break; | |
341 | } | |
342 | len = s - anchor; | |
343 | } | |
344 | return len; | |
345 | } | |
346 | ||
2614a208 | 347 | static char tmp_buf[CONFIG_SYS_CBSIZE + 1]; /* copy of console I/O buffer */ |
04a85b3b WD |
348 | |
349 | int cmd_auto_complete(const char *const prompt, char *buf, int *np, int *colp) | |
350 | { | |
351 | int n = *np, col = *colp; | |
6d0f6bcf | 352 | char *argv[CONFIG_SYS_MAXARGS + 1]; /* NULL terminated */ |
04a85b3b WD |
353 | char *cmdv[20]; |
354 | char *s, *t; | |
355 | const char *sep; | |
356 | int i, j, k, len, seplen, argc; | |
357 | int cnt; | |
358 | char last_char; | |
359 | ||
6d0f6bcf | 360 | if (strcmp(prompt, CONFIG_SYS_PROMPT) != 0) |
04a85b3b WD |
361 | return 0; /* not in normal console */ |
362 | ||
363 | cnt = strlen(buf); | |
364 | if (cnt >= 1) | |
365 | last_char = buf[cnt - 1]; | |
366 | else | |
367 | last_char = '\0'; | |
368 | ||
369 | /* copy to secondary buffer which will be affected */ | |
370 | strcpy(tmp_buf, buf); | |
371 | ||
372 | /* separate into argv */ | |
373 | argc = make_argv(tmp_buf, sizeof(argv)/sizeof(argv[0]), argv); | |
374 | ||
03dcf17d BB |
375 | /* first try a $ completion */ |
376 | i = dollar_complete(argc, argv, last_char, | |
377 | sizeof(cmdv) / sizeof(cmdv[0]), cmdv); | |
378 | if (!i) { | |
379 | /* do the completion and return the possible completions */ | |
380 | i = complete_cmdv(argc, argv, last_char, | |
381 | sizeof(cmdv) / sizeof(cmdv[0]), cmdv); | |
382 | } | |
04a85b3b WD |
383 | |
384 | /* no match; bell and out */ | |
385 | if (i == 0) { | |
386 | if (argc > 1) /* allow tab for non command */ | |
387 | return 0; | |
388 | putc('\a'); | |
389 | return 1; | |
390 | } | |
391 | ||
392 | s = NULL; | |
393 | len = 0; | |
394 | sep = NULL; | |
395 | seplen = 0; | |
396 | if (i == 1) { /* one match; perfect */ | |
cbe07ebe BB |
397 | if (last_char != '\0' && !isblank(last_char)) |
398 | k = strlen(argv[argc - 1]); | |
399 | else | |
400 | k = 0; | |
401 | ||
04a85b3b WD |
402 | s = cmdv[0] + k; |
403 | len = strlen(s); | |
404 | sep = " "; | |
405 | seplen = 1; | |
616e2162 | 406 | } else if (i > 1 && (j = find_common_prefix(cmdv)) != 0) { /* more */ |
cbe07ebe BB |
407 | if (last_char != '\0' && !isblank(last_char)) |
408 | k = strlen(argv[argc - 1]); | |
409 | else | |
410 | k = 0; | |
411 | ||
04a85b3b WD |
412 | j -= k; |
413 | if (j > 0) { | |
414 | s = cmdv[0] + k; | |
415 | len = j; | |
416 | } | |
417 | } | |
418 | ||
419 | if (s != NULL) { | |
420 | k = len + seplen; | |
421 | /* make sure it fits */ | |
6d0f6bcf | 422 | if (n + k >= CONFIG_SYS_CBSIZE - 2) { |
04a85b3b WD |
423 | putc('\a'); |
424 | return 1; | |
425 | } | |
426 | ||
427 | t = buf + cnt; | |
428 | for (i = 0; i < len; i++) | |
429 | *t++ = *s++; | |
430 | if (sep != NULL) | |
431 | for (i = 0; i < seplen; i++) | |
432 | *t++ = sep[i]; | |
433 | *t = '\0'; | |
434 | n += k; | |
435 | col += k; | |
436 | puts(t - k); | |
437 | if (sep == NULL) | |
438 | putc('\a'); | |
439 | *np = n; | |
440 | *colp = col; | |
441 | } else { | |
442 | print_argv(NULL, " ", " ", 78, cmdv); | |
443 | ||
444 | puts(prompt); | |
445 | puts(buf); | |
446 | } | |
447 | return 1; | |
448 | } | |
449 | ||
450 | #endif | |
8a40fb14 JCPV |
451 | |
452 | #ifdef CMD_DATA_SIZE | |
453 | int cmd_get_data_size(char* arg, int default_size) | |
454 | { | |
455 | /* Check for a size specification .b, .w or .l. | |
456 | */ | |
457 | int len = strlen(arg); | |
458 | if (len > 2 && arg[len-2] == '.') { | |
616e2162 | 459 | switch (arg[len-1]) { |
8a40fb14 JCPV |
460 | case 'b': |
461 | return 1; | |
462 | case 'w': | |
463 | return 2; | |
464 | case 'l': | |
465 | return 4; | |
4d1fd7f1 YS |
466 | #ifdef CONFIG_SYS_SUPPORT_64BIT_DATA |
467 | case 'q': | |
468 | return 8; | |
469 | #endif | |
8a40fb14 JCPV |
470 | case 's': |
471 | return -2; | |
472 | default: | |
473 | return -1; | |
474 | } | |
475 | } | |
476 | return default_size; | |
477 | } | |
478 | #endif | |
620f1f6a | 479 | |
2e5167cc | 480 | #if defined(CONFIG_NEEDS_MANUAL_RELOC) |
620f1f6a HS |
481 | DECLARE_GLOBAL_DATA_PTR; |
482 | ||
483 | void fixup_cmdtable(cmd_tbl_t *cmdtp, int size) | |
484 | { | |
485 | int i; | |
486 | ||
487 | if (gd->reloc_off == 0) | |
488 | return; | |
489 | ||
490 | for (i = 0; i < size; i++) { | |
491 | ulong addr; | |
492 | ||
616e2162 | 493 | addr = (ulong)(cmdtp->cmd) + gd->reloc_off; |
2e88bb28 | 494 | #ifdef DEBUG_COMMANDS |
620f1f6a | 495 | printf("Command \"%s\": 0x%08lx => 0x%08lx\n", |
616e2162 | 496 | cmdtp->name, (ulong)(cmdtp->cmd), addr); |
620f1f6a HS |
497 | #endif |
498 | cmdtp->cmd = | |
499 | (int (*)(struct cmd_tbl_s *, int, int, char * const []))addr; | |
500 | addr = (ulong)(cmdtp->name) + gd->reloc_off; | |
501 | cmdtp->name = (char *)addr; | |
502 | if (cmdtp->usage) { | |
503 | addr = (ulong)(cmdtp->usage) + gd->reloc_off; | |
504 | cmdtp->usage = (char *)addr; | |
505 | } | |
506 | #ifdef CONFIG_SYS_LONGHELP | |
507 | if (cmdtp->help) { | |
508 | addr = (ulong)(cmdtp->help) + gd->reloc_off; | |
509 | cmdtp->help = (char *)addr; | |
510 | } | |
fa28bd2e DS |
511 | #endif |
512 | #ifdef CONFIG_AUTO_COMPLETE | |
513 | if (cmdtp->complete) { | |
514 | addr = (ulong)(cmdtp->complete) + gd->reloc_off; | |
3668d8fa DS |
515 | cmdtp->complete = |
516 | (int (*)(int, char * const [], char, int, char * []))addr; | |
fa28bd2e | 517 | } |
620f1f6a HS |
518 | #endif |
519 | cmdtp++; | |
520 | } | |
521 | } | |
522 | #endif | |
bdf8e34b | 523 | |
80a48dd4 BB |
524 | int cmd_always_repeatable(cmd_tbl_t *cmdtp, int flag, int argc, |
525 | char * const argv[], int *repeatable) | |
526 | { | |
527 | *repeatable = 1; | |
528 | ||
529 | return cmdtp->cmd(cmdtp, flag, argc, argv); | |
530 | } | |
531 | ||
532 | int cmd_never_repeatable(cmd_tbl_t *cmdtp, int flag, int argc, | |
533 | char * const argv[], int *repeatable) | |
534 | { | |
535 | *repeatable = 0; | |
536 | ||
537 | return cmdtp->cmd(cmdtp, flag, argc, argv); | |
538 | } | |
539 | ||
540 | int cmd_discard_repeatable(cmd_tbl_t *cmdtp, int flag, int argc, | |
541 | char * const argv[]) | |
542 | { | |
543 | int repeatable; | |
544 | ||
545 | return cmdtp->cmd_rep(cmdtp, flag, argc, argv, &repeatable); | |
546 | } | |
547 | ||
bdf8e34b SG |
548 | /** |
549 | * Call a command function. This should be the only route in U-Boot to call | |
550 | * a command, so that we can track whether we are waiting for input or | |
551 | * executing a command. | |
552 | * | |
553 | * @param cmdtp Pointer to the command to execute | |
554 | * @param flag Some flags normally 0 (see CMD_FLAG_.. above) | |
555 | * @param argc Number of arguments (arg 0 must be the command text) | |
556 | * @param argv Arguments | |
80a48dd4 | 557 | * @param repeatable Can the command be repeated |
bdf8e34b SG |
558 | * @return 0 if command succeeded, else non-zero (CMD_RET_...) |
559 | */ | |
80a48dd4 BB |
560 | static int cmd_call(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], |
561 | int *repeatable) | |
bdf8e34b SG |
562 | { |
563 | int result; | |
564 | ||
80a48dd4 | 565 | result = cmdtp->cmd_rep(cmdtp, flag, argc, argv, repeatable); |
bdf8e34b | 566 | if (result) |
58b6ad68 | 567 | debug("Command failed, result=%d\n", result); |
bdf8e34b SG |
568 | return result; |
569 | } | |
9d12d5d4 SG |
570 | |
571 | enum command_ret_t cmd_process(int flag, int argc, char * const argv[], | |
34765e88 | 572 | int *repeatable, ulong *ticks) |
9d12d5d4 SG |
573 | { |
574 | enum command_ret_t rc = CMD_RET_SUCCESS; | |
575 | cmd_tbl_t *cmdtp; | |
576 | ||
7ae31fcc CM |
577 | #if defined(CONFIG_SYS_XTRACE) |
578 | char *xtrace; | |
579 | ||
580 | xtrace = env_get("xtrace"); | |
581 | if (xtrace) { | |
582 | puts("+"); | |
583 | for (int i = 0; i < argc; i++) { | |
584 | puts(" "); | |
585 | puts(argv[i]); | |
586 | } | |
587 | puts("\n"); | |
588 | } | |
589 | #endif | |
590 | ||
9d12d5d4 SG |
591 | /* Look up command in command table */ |
592 | cmdtp = find_cmd(argv[0]); | |
593 | if (cmdtp == NULL) { | |
594 | printf("Unknown command '%s' - try 'help'\n", argv[0]); | |
595 | return 1; | |
596 | } | |
597 | ||
598 | /* found - check max args */ | |
599 | if (argc > cmdtp->maxargs) | |
600 | rc = CMD_RET_USAGE; | |
601 | ||
602 | #if defined(CONFIG_CMD_BOOTD) | |
603 | /* avoid "bootd" recursion */ | |
604 | else if (cmdtp->cmd == do_bootd) { | |
605 | if (flag & CMD_FLAG_BOOTD) { | |
606 | puts("'bootd' recursion detected\n"); | |
607 | rc = CMD_RET_FAILURE; | |
608 | } else { | |
609 | flag |= CMD_FLAG_BOOTD; | |
610 | } | |
611 | } | |
612 | #endif | |
613 | ||
614 | /* If OK so far, then do the command */ | |
615 | if (!rc) { | |
80a48dd4 BB |
616 | int newrep; |
617 | ||
34765e88 RG |
618 | if (ticks) |
619 | *ticks = get_timer(0); | |
80a48dd4 | 620 | rc = cmd_call(cmdtp, flag, argc, argv, &newrep); |
34765e88 RG |
621 | if (ticks) |
622 | *ticks = get_timer(*ticks); | |
80a48dd4 | 623 | *repeatable &= newrep; |
9d12d5d4 SG |
624 | } |
625 | if (rc == CMD_RET_USAGE) | |
626 | rc = cmd_usage(cmdtp); | |
627 | return rc; | |
628 | } | |
16ff9902 SG |
629 | |
630 | int cmd_process_error(cmd_tbl_t *cmdtp, int err) | |
631 | { | |
27eb7bce MS |
632 | if (err == CMD_RET_USAGE) |
633 | return CMD_RET_USAGE; | |
634 | ||
16ff9902 SG |
635 | if (err) { |
636 | printf("Command '%s' failed: Error %d\n", cmdtp->name, err); | |
37233240 | 637 | return CMD_RET_FAILURE; |
16ff9902 SG |
638 | } |
639 | ||
37233240 | 640 | return CMD_RET_SUCCESS; |
16ff9902 | 641 | } |