FreeCalypso > hg > freecalypso-sw

annotate rvinterf/asyncshell/oneshot.c @ 992:a7b0b426f9ca

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target-utils: boot ROM UART autodetection revamped The new implementation should work with both the familiar Calypso C035 boot ROM version found in our regular targets as well as the older Calypso F741979B version found on the vintage D-Sample board.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Wed, 30 Dec 2015 21:28:41 +0000
parents bd873572ef2c
children 93f4fc26b204
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bd873572ef2c fc-shell: one-shot command mode implemented
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1 /*
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2 * This module implements the one-shot command mode of fc-shell.
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3 */
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4
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5 #include <stdio.h>
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6 #include <string.h>
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7 #include <strings.h>
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8 #include <stdlib.h>
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9
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10 extern int cmd_poweroff();
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11 extern int cmd_sp_oneshot();
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12 extern int cmd_tgtreset();
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13
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14 static struct cmdtab {
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15 char *cmd;
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16 int minargs;
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17 int maxargs;
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18 int (*func)();
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19 } cmdtab[] = {
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20 {"poweroff", 0, 0, cmd_poweroff},
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21 {"sp", 2, 2, cmd_sp_oneshot},
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22 {"tgtreset", 0, 0, cmd_tgtreset},
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23 {0, 0, 0, 0}
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24 };
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25
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26 oneshot_command(argc, argv)
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27 char **argv;
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28 {
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29 struct cmdtab *tp;
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30
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31 for (tp = cmdtab; tp->cmd; tp++)
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32 if (!strcmp(tp->cmd, argv[0]))
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33 break;
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34 if (!tp->func) {
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35 fprintf(stderr,
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36 "error: \"%s\" is not a valid one-shot command\n",
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37 argv[0]);
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38 exit(1);
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39 }
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40 if (argc - 1 > tp->maxargs) {
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41 fprintf(stderr, "%s: too many arguments\n", tp->cmd);
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42 exit(1);
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43 }
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44 if (argc - 1 < tp->minargs) {
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45 fprintf(stderr, "%s: too few arguments\n", tp->cmd);
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46 exit(1);
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47 }
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48 return tp->func(argc, argv);
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49 }