FreeCalypso > hg > freecalypso-sw

annotate loadtools/lthelp.c @ 923:10b4bed10192

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gsm-fw/L1: fix for the DSP patch corruption bug The L1 code we got from the LoCosto fw contains a feature for DSP CPU load measurement. This feature is a LoCosto-ism, i.e., not applicable to earlier DBB chips (Calypso) with their respective earlier DSP ROMs. Most of the code dealing with that feature is conditionalized as #if (DSP >= 38), but one spot was missed, and the MCU code was writing into an API word dealing with this feature. In TCS211 this DSP API word happens to be used by the DSP code patch, hence that write was corrupting the patched DSP code.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Mon, 19 Oct 2015 17:13:56 +0000
parents 02cb0206aa47
children
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105
02cb0206aa47 fc-loadtool help implemented
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1 /*
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2 * This module implements the loadtool help facility.
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3 */
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4
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5 #include <stdio.h>
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6 #include <ctype.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 extern char loadtool_help_file[];
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12
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13 loadtool_help(topic)
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14 char *topic;
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15 {
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16 FILE *f;
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17 char linebuf[256];
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18 char *cp, *np;
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19 int flag;
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20
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21 f = fopen(loadtool_help_file, "r");
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22 if (!f) {
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23 perror(loadtool_help_file);
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24 return(-1);
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25 }
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26 for (;;) {
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27 if (!fgets(linebuf, sizeof linebuf, f)) {
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28 fprintf(stderr, "Help topic \"%s\" not found\n", topic);
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29 fclose(f);
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30 return(-1);
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31 }
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32 if (linebuf[0] != '=' || linebuf[1] != '=' || linebuf[2] != '=')
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33 continue;
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34 for (cp = linebuf + 3; isspace(*cp); cp++)
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35 ;
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36 for (np = cp; *cp && !isspace(*cp); cp++)
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37 ;
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38 if (*cp)
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39 *cp++ = '\0';
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40 if (!strcmp(np, topic))
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41 break;
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42 }
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43 for (flag = 0; fgets(linebuf, sizeof linebuf, f); ) {
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44 if (linebuf[0] == '=' && linebuf[1] == '=' &&
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45 linebuf[2] == '=') {
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46 if (flag)
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47 break;
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48 else
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49 continue;
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50 }
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51 fputs(linebuf, stdout);
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52 flag = 1;
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53 }
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54 fclose(f);
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55 return(0);
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56 }
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57
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58 cmd_help(argc, argv)
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59 char **argv;
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60 {
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61 char flashtopic[32];
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62
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63 switch (argc) {
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64 case 1:
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65 return loadtool_help("main");
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66 case 2:
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67 return loadtool_help(argv[1]);
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68 case 3:
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69 if ((!strcmp(argv[1], "flash") || !strcmp(argv[1], "flash2"))
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70 && strlen(argv[2]) <= 20) {
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71 sprintf(flashtopic, "flash:%s", argv[2]);
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72 return loadtool_help(flashtopic);
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73 }
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74 fprintf(stderr, "No such help topic\n");
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75 return(-1);
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76 default:
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77 fprintf(stderr, "internal error in cmd_help(): bad argc\n");
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78 abort();
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79 }
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80 }