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wdenk5dfa25f2002-10-19 19:42:10 +00001/*
Detlev Zundel2dce5512009-03-25 17:27:52 +01002 * (C) Copyright 2000-2009
wdenk5dfa25f2002-10-19 19:42:10 +00003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
wdenk5dfa25f2002-10-19 19:42:10 +00006 */
7
8/*
9 * Command Processor Table
10 */
11
12#include <common.h>
13#include <command.h>
Jason Hobbs4d91a6e2011-08-23 11:06:54 +000014#include <linux/ctype.h>
wdenk5dfa25f2002-10-19 19:42:10 +000015
wdenk5dfa25f2002-10-19 19:42:10 +000016/*
17 * Use puts() instead of printf() to avoid printf buffer overflow
18 * for long help messages
19 */
Detlev Zundel2dce5512009-03-25 17:27:52 +010020
Masahiro Yamada616e2162014-10-23 17:27:30 +090021int _do_help(cmd_tbl_t *cmd_start, int cmd_items, cmd_tbl_t *cmdtp, int flag,
22 int argc, char * const argv[])
wdenk5dfa25f2002-10-19 19:42:10 +000023{
24 int i;
25 int rcode = 0;
26
Masahiro Yamada616e2162014-10-23 17:27:30 +090027 if (argc == 1) { /* show list of commands */
Anatolij Gustschin22b6fcb2012-11-08 12:40:17 +010028 cmd_tbl_t *cmd_array[cmd_items];
wdenk9d2b18a2003-06-28 23:11:04 +000029 int i, j, swaps;
wdenk8bde7f72003-06-27 21:31:46 +000030
wdenk9d2b18a2003-06-28 23:11:04 +000031 /* Make array of commands from .uboot_cmd section */
Detlev Zundel2dce5512009-03-25 17:27:52 +010032 cmdtp = cmd_start;
wdenk9d2b18a2003-06-28 23:11:04 +000033 for (i = 0; i < cmd_items; i++) {
34 cmd_array[i] = cmdtp++;
wdenk8bde7f72003-06-27 21:31:46 +000035 }
wdenk8bde7f72003-06-27 21:31:46 +000036
wdenk9d2b18a2003-06-28 23:11:04 +000037 /* 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) {
Masahiro Yamada616e2162014-10-23 17:27:30 +090041 if (strcmp(cmd_array[j]->name,
42 cmd_array[j + 1]->name) > 0) {
wdenk9d2b18a2003-06-28 23:11:04 +000043 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 }
wdenk8bde7f72003-06-27 21:31:46 +000049 }
wdenk9d2b18a2003-06-28 23:11:04 +000050 if (!swaps)
51 break;
wdenk8bde7f72003-06-27 21:31:46 +000052 }
53
54 /* print short help (usage) */
wdenk9d2b18a2003-06-28 23:11:04 +000055 for (i = 0; i < cmd_items; i++) {
56 const char *usage = cmd_array[i]->usage;
57
wdenk5dfa25f2002-10-19 19:42:10 +000058 /* allow user abort */
Masahiro Yamada616e2162014-10-23 17:27:30 +090059 if (ctrlc())
wdenk5dfa25f2002-10-19 19:42:10 +000060 return 1;
wdenk9d2b18a2003-06-28 23:11:04 +000061 if (usage == NULL)
wdenk5dfa25f2002-10-19 19:42:10 +000062 continue;
Peter Tyser2fb26042009-01-27 18:03:12 -060063 printf("%-*s- %s\n", CONFIG_SYS_HELP_CMD_WIDTH,
64 cmd_array[i]->name, usage);
wdenk5dfa25f2002-10-19 19:42:10 +000065 }
wdenk5dfa25f2002-10-19 19:42:10 +000066 return 0;
67 }
wdenk5dfa25f2002-10-19 19:42:10 +000068 /*
69 * command help (long version)
70 */
wdenk8bde7f72003-06-27 21:31:46 +000071 for (i = 1; i < argc; ++i) {
Masahiro Yamada616e2162014-10-23 17:27:30 +090072 cmdtp = find_cmd_tbl(argv[i], cmd_start, cmd_items);
73 if (cmdtp != NULL) {
Wolfgang Denk94796d82009-05-24 19:17:29 +020074 rcode |= cmd_usage(cmdtp);
wdenk71f95112003-06-15 22:40:42 +000075 } else {
Masahiro Yamada616e2162014-10-23 17:27:30 +090076 printf("Unknown command '%s' - try 'help' without arguments for list of all known commands\n\n",
77 argv[i]);
wdenk5dfa25f2002-10-19 19:42:10 +000078 rcode = 1;
79 }
80 }
81 return rcode;
82}
83
Masahiro Yamada616e2162014-10-23 17:27:30 +090084/* find command table entry for a command */
85cmd_tbl_t *find_cmd_tbl(const char *cmd, cmd_tbl_t *table, int table_len)
wdenk5dfa25f2002-10-19 19:42:10 +000086{
87 cmd_tbl_t *cmdtp;
Masahiro Yamada616e2162014-10-23 17:27:30 +090088 cmd_tbl_t *cmdtp_temp = table; /* Init value */
wdenk9d2b18a2003-06-28 23:11:04 +000089 const char *p;
90 int len;
91 int n_found = 0;
wdenk8bde7f72003-06-27 21:31:46 +000092
Thomas Weber7013c062010-11-24 13:07:51 +010093 if (!cmd)
94 return NULL;
wdenk9d2b18a2003-06-28 23:11:04 +000095 /*
96 * Some commands allow length modifiers (like "cp.b");
97 * compare command name only until first dot.
98 */
99 len = ((p = strchr(cmd, '.')) == NULL) ? strlen (cmd) : (p - cmd);
100
Masahiro Yamada616e2162014-10-23 17:27:30 +0900101 for (cmdtp = table; cmdtp != table + table_len; cmdtp++) {
102 if (strncmp(cmd, cmdtp->name, len) == 0) {
103 if (len == strlen(cmdtp->name))
wdenk9d2b18a2003-06-28 23:11:04 +0000104 return cmdtp; /* full match */
105
106 cmdtp_temp = cmdtp; /* abbreviated command ? */
107 n_found++;
108 }
wdenk5dfa25f2002-10-19 19:42:10 +0000109 }
wdenk9d2b18a2003-06-28 23:11:04 +0000110 if (n_found == 1) { /* exactly one match */
wdenk8bde7f72003-06-27 21:31:46 +0000111 return cmdtp_temp;
wdenk9d2b18a2003-06-28 23:11:04 +0000112 }
wdenk8bde7f72003-06-27 21:31:46 +0000113
wdenk9d2b18a2003-06-28 23:11:04 +0000114 return NULL; /* not found or ambiguous command */
wdenk5dfa25f2002-10-19 19:42:10 +0000115}
wdenk04a85b32004-04-15 18:22:41 +0000116
Masahiro Yamada616e2162014-10-23 17:27:30 +0900117cmd_tbl_t *find_cmd(const char *cmd)
Kumar Galab799cb42008-09-23 10:05:02 -0500118{
Marek Vasut6c7c9462012-10-12 10:27:04 +0000119 cmd_tbl_t *start = ll_entry_start(cmd_tbl_t, cmd);
120 const int len = ll_entry_count(cmd_tbl_t, cmd);
121 return find_cmd_tbl(cmd, start, len);
Kumar Galab799cb42008-09-23 10:05:02 -0500122}
123
Mike Frysingere84ffdd2011-04-23 23:43:24 +0000124int cmd_usage(const cmd_tbl_t *cmdtp)
Peter Tyser62c3ae72009-01-27 18:03:10 -0600125{
Wolfgang Denk94796d82009-05-24 19:17:29 +0200126 printf("%s - %s\n\n", cmdtp->name, cmdtp->usage);
127
128#ifdef CONFIG_SYS_LONGHELP
129 printf("Usage:\n%s ", cmdtp->name);
130
131 if (!cmdtp->help) {
132 puts ("- No additional help available.\n");
133 return 1;
134 }
135
Masahiro Yamada616e2162014-10-23 17:27:30 +0900136 puts(cmdtp->help);
137 putc('\n');
Wolfgang Denk94796d82009-05-24 19:17:29 +0200138#endif /* CONFIG_SYS_LONGHELP */
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200139 return 1;
Peter Tyser62c3ae72009-01-27 18:03:10 -0600140}
141
wdenk04a85b32004-04-15 18:22:41 +0000142#ifdef CONFIG_AUTO_COMPLETE
143
Wolfgang Denk54841ab2010-06-28 22:00:46 +0200144int var_complete(int argc, char * const argv[], char last_char, int maxv, char *cmdv[])
wdenk04a85b32004-04-15 18:22:41 +0000145{
146 static char tmp_buf[512];
147 int space;
148
Jason Hobbs4d91a6e2011-08-23 11:06:54 +0000149 space = last_char == '\0' || isblank(last_char);
wdenk04a85b32004-04-15 18:22:41 +0000150
151 if (space && argc == 1)
152 return env_complete("", maxv, cmdv, sizeof(tmp_buf), tmp_buf);
153
154 if (!space && argc == 2)
155 return env_complete(argv[1], maxv, cmdv, sizeof(tmp_buf), tmp_buf);
Mike Frysinger560d4242010-12-17 16:51:59 -0500156
wdenk04a85b32004-04-15 18:22:41 +0000157 return 0;
158}
159
wdenk04a85b32004-04-15 18:22:41 +0000160/*************************************************************************************/
161
Wolfgang Denk54841ab2010-06-28 22:00:46 +0200162static int complete_cmdv(int argc, char * const argv[], char last_char, int maxv, char *cmdv[])
wdenk04a85b32004-04-15 18:22:41 +0000163{
Marek Vasut6c7c9462012-10-12 10:27:04 +0000164 cmd_tbl_t *cmdtp = ll_entry_start(cmd_tbl_t, cmd);
165 const int count = ll_entry_count(cmd_tbl_t, cmd);
166 const cmd_tbl_t *cmdend = cmdtp + count;
wdenk04a85b32004-04-15 18:22:41 +0000167 const char *p;
168 int len, clen;
169 int n_found = 0;
170 const char *cmd;
171
172 /* sanity? */
173 if (maxv < 2)
174 return -2;
175
176 cmdv[0] = NULL;
177
178 if (argc == 0) {
179 /* output full list of commands */
Marek Vasut6c7c9462012-10-12 10:27:04 +0000180 for (; cmdtp != cmdend; cmdtp++) {
wdenk04a85b32004-04-15 18:22:41 +0000181 if (n_found >= maxv - 2) {
Andrew Gabbasov9b438942013-12-27 10:05:14 -0600182 cmdv[n_found++] = "...";
wdenk04a85b32004-04-15 18:22:41 +0000183 break;
184 }
Andrew Gabbasov9b438942013-12-27 10:05:14 -0600185 cmdv[n_found++] = cmdtp->name;
wdenk04a85b32004-04-15 18:22:41 +0000186 }
187 cmdv[n_found] = NULL;
188 return n_found;
189 }
190
191 /* more than one arg or one but the start of the next */
Masahiro Yamada616e2162014-10-23 17:27:30 +0900192 if (argc > 1 || last_char == '\0' || isblank(last_char)) {
wdenk04a85b32004-04-15 18:22:41 +0000193 cmdtp = find_cmd(argv[0]);
194 if (cmdtp == NULL || cmdtp->complete == NULL) {
195 cmdv[0] = NULL;
196 return 0;
197 }
198 return (*cmdtp->complete)(argc, argv, last_char, maxv, cmdv);
199 }
200
201 cmd = argv[0];
202 /*
203 * Some commands allow length modifiers (like "cp.b");
204 * compare command name only until first dot.
205 */
206 p = strchr(cmd, '.');
207 if (p == NULL)
208 len = strlen(cmd);
209 else
210 len = p - cmd;
211
212 /* return the partial matches */
Marek Vasut6c7c9462012-10-12 10:27:04 +0000213 for (; cmdtp != cmdend; cmdtp++) {
wdenk04a85b32004-04-15 18:22:41 +0000214
215 clen = strlen(cmdtp->name);
216 if (clen < len)
217 continue;
218
219 if (memcmp(cmd, cmdtp->name, len) != 0)
220 continue;
221
222 /* too many! */
223 if (n_found >= maxv - 2) {
224 cmdv[n_found++] = "...";
225 break;
226 }
227
228 cmdv[n_found++] = cmdtp->name;
229 }
230
231 cmdv[n_found] = NULL;
232 return n_found;
233}
234
235static int make_argv(char *s, int argvsz, char *argv[])
236{
237 int argc = 0;
238
239 /* split into argv */
240 while (argc < argvsz - 1) {
241
242 /* skip any white space */
Jason Hobbs4d91a6e2011-08-23 11:06:54 +0000243 while (isblank(*s))
wdenk04a85b32004-04-15 18:22:41 +0000244 ++s;
245
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200246 if (*s == '\0') /* end of s, no more args */
wdenk04a85b32004-04-15 18:22:41 +0000247 break;
248
249 argv[argc++] = s; /* begin of argument string */
250
251 /* find end of string */
Jason Hobbs4d91a6e2011-08-23 11:06:54 +0000252 while (*s && !isblank(*s))
wdenk04a85b32004-04-15 18:22:41 +0000253 ++s;
254
255 if (*s == '\0') /* end of s, no more args */
256 break;
257
258 *s++ = '\0'; /* terminate current arg */
259 }
260 argv[argc] = NULL;
261
262 return argc;
263}
264
Wolfgang Denk54841ab2010-06-28 22:00:46 +0200265static void print_argv(const char *banner, const char *leader, const char *sep, int linemax, char * const argv[])
wdenk04a85b32004-04-15 18:22:41 +0000266{
267 int ll = leader != NULL ? strlen(leader) : 0;
268 int sl = sep != NULL ? strlen(sep) : 0;
269 int len, i;
270
271 if (banner) {
272 puts("\n");
273 puts(banner);
274 }
275
276 i = linemax; /* force leader and newline */
277 while (*argv != NULL) {
278 len = strlen(*argv) + sl;
279 if (i + len >= linemax) {
280 puts("\n");
281 if (leader)
282 puts(leader);
283 i = ll - sl;
284 } else if (sep)
285 puts(sep);
286 puts(*argv++);
287 i += len;
288 }
289 printf("\n");
290}
291
Wolfgang Denk54841ab2010-06-28 22:00:46 +0200292static int find_common_prefix(char * const argv[])
wdenk04a85b32004-04-15 18:22:41 +0000293{
294 int i, len;
295 char *anchor, *s, *t;
296
297 if (*argv == NULL)
298 return 0;
299
300 /* begin with max */
301 anchor = *argv++;
302 len = strlen(anchor);
303 while ((t = *argv++) != NULL) {
304 s = anchor;
305 for (i = 0; i < len; i++, t++, s++) {
306 if (*t != *s)
307 break;
308 }
309 len = s - anchor;
310 }
311 return len;
312}
313
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200314static char tmp_buf[CONFIG_SYS_CBSIZE]; /* copy of console I/O buffer */
wdenk04a85b32004-04-15 18:22:41 +0000315
316int cmd_auto_complete(const char *const prompt, char *buf, int *np, int *colp)
317{
318 int n = *np, col = *colp;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200319 char *argv[CONFIG_SYS_MAXARGS + 1]; /* NULL terminated */
wdenk04a85b32004-04-15 18:22:41 +0000320 char *cmdv[20];
321 char *s, *t;
322 const char *sep;
323 int i, j, k, len, seplen, argc;
324 int cnt;
325 char last_char;
326
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200327 if (strcmp(prompt, CONFIG_SYS_PROMPT) != 0)
wdenk04a85b32004-04-15 18:22:41 +0000328 return 0; /* not in normal console */
329
330 cnt = strlen(buf);
331 if (cnt >= 1)
332 last_char = buf[cnt - 1];
333 else
334 last_char = '\0';
335
336 /* copy to secondary buffer which will be affected */
337 strcpy(tmp_buf, buf);
338
339 /* separate into argv */
340 argc = make_argv(tmp_buf, sizeof(argv)/sizeof(argv[0]), argv);
341
342 /* do the completion and return the possible completions */
Masahiro Yamada616e2162014-10-23 17:27:30 +0900343 i = complete_cmdv(argc, argv, last_char,
344 sizeof(cmdv) / sizeof(cmdv[0]), cmdv);
wdenk04a85b32004-04-15 18:22:41 +0000345
346 /* no match; bell and out */
347 if (i == 0) {
348 if (argc > 1) /* allow tab for non command */
349 return 0;
350 putc('\a');
351 return 1;
352 }
353
354 s = NULL;
355 len = 0;
356 sep = NULL;
357 seplen = 0;
358 if (i == 1) { /* one match; perfect */
359 k = strlen(argv[argc - 1]);
360 s = cmdv[0] + k;
361 len = strlen(s);
362 sep = " ";
363 seplen = 1;
Masahiro Yamada616e2162014-10-23 17:27:30 +0900364 } else if (i > 1 && (j = find_common_prefix(cmdv)) != 0) { /* more */
wdenk04a85b32004-04-15 18:22:41 +0000365 k = strlen(argv[argc - 1]);
366 j -= k;
367 if (j > 0) {
368 s = cmdv[0] + k;
369 len = j;
370 }
371 }
372
373 if (s != NULL) {
374 k = len + seplen;
375 /* make sure it fits */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200376 if (n + k >= CONFIG_SYS_CBSIZE - 2) {
wdenk04a85b32004-04-15 18:22:41 +0000377 putc('\a');
378 return 1;
379 }
380
381 t = buf + cnt;
382 for (i = 0; i < len; i++)
383 *t++ = *s++;
384 if (sep != NULL)
385 for (i = 0; i < seplen; i++)
386 *t++ = sep[i];
387 *t = '\0';
388 n += k;
389 col += k;
390 puts(t - k);
391 if (sep == NULL)
392 putc('\a');
393 *np = n;
394 *colp = col;
395 } else {
396 print_argv(NULL, " ", " ", 78, cmdv);
397
398 puts(prompt);
399 puts(buf);
400 }
401 return 1;
402}
403
404#endif
Jean-Christophe PLAGNIOL-VILLARD8a40fb12008-09-10 22:48:05 +0200405
406#ifdef CMD_DATA_SIZE
407int cmd_get_data_size(char* arg, int default_size)
408{
409 /* Check for a size specification .b, .w or .l.
410 */
411 int len = strlen(arg);
412 if (len > 2 && arg[len-2] == '.') {
Masahiro Yamada616e2162014-10-23 17:27:30 +0900413 switch (arg[len-1]) {
Jean-Christophe PLAGNIOL-VILLARD8a40fb12008-09-10 22:48:05 +0200414 case 'b':
415 return 1;
416 case 'w':
417 return 2;
418 case 'l':
419 return 4;
York Sun4d1fd7f2014-02-26 17:03:19 -0800420#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
421 case 'q':
422 return 8;
423#endif
Jean-Christophe PLAGNIOL-VILLARD8a40fb12008-09-10 22:48:05 +0200424 case 's':
425 return -2;
426 default:
427 return -1;
428 }
429 }
430 return default_size;
431}
432#endif
Heiko Schocher620f1f62010-09-17 13:10:33 +0200433
Wolfgang Denk2e5167c2010-10-28 20:00:11 +0200434#if defined(CONFIG_NEEDS_MANUAL_RELOC)
Heiko Schocher620f1f62010-09-17 13:10:33 +0200435DECLARE_GLOBAL_DATA_PTR;
436
437void fixup_cmdtable(cmd_tbl_t *cmdtp, int size)
438{
439 int i;
440
441 if (gd->reloc_off == 0)
442 return;
443
444 for (i = 0; i < size; i++) {
445 ulong addr;
446
Masahiro Yamada616e2162014-10-23 17:27:30 +0900447 addr = (ulong)(cmdtp->cmd) + gd->reloc_off;
Heiko Schocher620f1f62010-09-17 13:10:33 +0200448#if DEBUG_COMMANDS
449 printf("Command \"%s\": 0x%08lx => 0x%08lx\n",
Masahiro Yamada616e2162014-10-23 17:27:30 +0900450 cmdtp->name, (ulong)(cmdtp->cmd), addr);
Heiko Schocher620f1f62010-09-17 13:10:33 +0200451#endif
452 cmdtp->cmd =
453 (int (*)(struct cmd_tbl_s *, int, int, char * const []))addr;
454 addr = (ulong)(cmdtp->name) + gd->reloc_off;
455 cmdtp->name = (char *)addr;
456 if (cmdtp->usage) {
457 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
458 cmdtp->usage = (char *)addr;
459 }
460#ifdef CONFIG_SYS_LONGHELP
461 if (cmdtp->help) {
462 addr = (ulong)(cmdtp->help) + gd->reloc_off;
463 cmdtp->help = (char *)addr;
464 }
465#endif
Daniel Schwierzeckfa28bd22011-10-13 06:07:39 +0000466#ifdef CONFIG_AUTO_COMPLETE
467 if (cmdtp->complete) {
468 addr = (ulong)(cmdtp->complete) + gd->reloc_off;
Daniel Schwierzeck3668d8f2011-10-18 11:12:22 +0000469 cmdtp->complete =
470 (int (*)(int, char * const [], char, int, char * []))addr;
Daniel Schwierzeckfa28bd22011-10-13 06:07:39 +0000471 }
472#endif
Heiko Schocher620f1f62010-09-17 13:10:33 +0200473 cmdtp++;
474 }
475}
476#endif
Simon Glassbdf8e342012-02-14 19:59:23 +0000477
478/**
479 * Call a command function. This should be the only route in U-Boot to call
480 * a command, so that we can track whether we are waiting for input or
481 * executing a command.
482 *
483 * @param cmdtp Pointer to the command to execute
484 * @param flag Some flags normally 0 (see CMD_FLAG_.. above)
485 * @param argc Number of arguments (arg 0 must be the command text)
486 * @param argv Arguments
487 * @return 0 if command succeeded, else non-zero (CMD_RET_...)
488 */
Simon Glass9d12d5d2012-02-14 19:59:25 +0000489static int cmd_call(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
Simon Glassbdf8e342012-02-14 19:59:23 +0000490{
491 int result;
492
493 result = (cmdtp->cmd)(cmdtp, flag, argc, argv);
494 if (result)
Peng Fan58b6ad62015-07-28 22:45:37 +0800495 debug("Command failed, result=%d\n", result);
Simon Glassbdf8e342012-02-14 19:59:23 +0000496 return result;
497}
Simon Glass9d12d5d2012-02-14 19:59:25 +0000498
499enum command_ret_t cmd_process(int flag, int argc, char * const argv[],
Richard Genoud34765e82012-12-03 06:28:28 +0000500 int *repeatable, ulong *ticks)
Simon Glass9d12d5d2012-02-14 19:59:25 +0000501{
502 enum command_ret_t rc = CMD_RET_SUCCESS;
503 cmd_tbl_t *cmdtp;
504
505 /* Look up command in command table */
506 cmdtp = find_cmd(argv[0]);
507 if (cmdtp == NULL) {
508 printf("Unknown command '%s' - try 'help'\n", argv[0]);
509 return 1;
510 }
511
512 /* found - check max args */
513 if (argc > cmdtp->maxargs)
514 rc = CMD_RET_USAGE;
515
516#if defined(CONFIG_CMD_BOOTD)
517 /* avoid "bootd" recursion */
518 else if (cmdtp->cmd == do_bootd) {
519 if (flag & CMD_FLAG_BOOTD) {
520 puts("'bootd' recursion detected\n");
521 rc = CMD_RET_FAILURE;
522 } else {
523 flag |= CMD_FLAG_BOOTD;
524 }
525 }
526#endif
527
528 /* If OK so far, then do the command */
529 if (!rc) {
Richard Genoud34765e82012-12-03 06:28:28 +0000530 if (ticks)
531 *ticks = get_timer(0);
Simon Glass9d12d5d2012-02-14 19:59:25 +0000532 rc = cmd_call(cmdtp, flag, argc, argv);
Richard Genoud34765e82012-12-03 06:28:28 +0000533 if (ticks)
534 *ticks = get_timer(*ticks);
Simon Glass9d12d5d2012-02-14 19:59:25 +0000535 *repeatable &= cmdtp->repeatable;
536 }
537 if (rc == CMD_RET_USAGE)
538 rc = cmd_usage(cmdtp);
539 return rc;
540}
Simon Glass16ff9902014-02-26 15:59:15 -0700541
542int cmd_process_error(cmd_tbl_t *cmdtp, int err)
543{
544 if (err) {
545 printf("Command '%s' failed: Error %d\n", cmdtp->name, err);
546 return 1;
547 }
548
549 return 0;
550}