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annotate loadtools/ltexit.c @ 55:278052b6afda

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loadtools: started laying the foundation for flash support
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 23 Jun 2013 20:13:59 +0000
parents 768a3d012931
children 6f8d3771aa6c
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1 /*
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2 * This module implements the loadtool exit command, along with its
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3 * options for jump-reboot or eventual Iota power-off.
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4 */
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5
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6 #include <stdio.h>
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7 #include <string.h>
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8 #include <strings.h>
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9 #include <stdlib.h>
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10
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11 static void
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12 exit_bare()
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13 {
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14 exit(0);
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15 }
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16
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17 static void
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18 exit_jump0()
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19 {
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20 static char *jump0_argv[3] = {"jump", "0", 0};
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21
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22 tpinterf_make_cmd(jump0_argv);
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23 tpinterf_send_cmd();
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24 exit(0);
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25 }
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26
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27 void (*default_exit)() = exit_bare;
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28
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29 static struct kwtab {
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30 char *kw;
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31 void (*func)();
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32 } exit_modes[] = {
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33 {"bare", exit_bare},
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34 {"jump0", exit_jump0},
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35 {0, 0}
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36 };
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37
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38 cmd_exit(argc, argv)
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39 char **argv;
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40 {
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41 struct kwtab *tp;
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42
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43 if (argc < 2)
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44 default_exit();
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45 for (tp = exit_modes; tp->kw; tp++)
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46 if (!strcmp(tp->kw, argv[1]))
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47 break;
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48 if (!tp->func) {
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49 fprintf(stderr,
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50 "error: \"%s\" is not an understood exit mode\n",
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51 argv[1]);
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52 return(-1);
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53 }
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54 tp->func();
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55 }
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56
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57 /* called from hwparam.c config file parser */
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58 void
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59 set_default_exit_mode(arg, filename_for_errs, lineno_for_errs)
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60 char *arg;
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61 char *filename_for_errs;
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62 int lineno_for_errs;
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63 {
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64 char *cp;
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65 struct kwtab *tp;
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66
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67 while (isspace(*arg))
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68 arg++;
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69 if (!*arg) {
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70 fprintf(stderr,
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71 "%s line %d: exit-mode setting requires an argument\n",
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72 filename_for_errs, lineno_for_errs);
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73 exit(1);
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74 }
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75 for (cp = arg; *cp && !isspace(*cp); cp++)
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76 ;
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77 *cp = '\0';
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78 for (tp = exit_modes; tp->kw; tp++)
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79 if (!strcmp(tp->kw, arg))
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80 break;
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81 if (!tp->func) {
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82 fprintf(stderr,
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83 "%s line %d: \"%s\" is not an understood exit mode\n",
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84 filename_for_errs, lineno_for_errs, arg);
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85 exit(1);
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86 }
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87 default_exit = tp->func;
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88 }