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annotate rvinterf/misc/sendsp.c @ 426:1060bf70d95d

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doc/Compal-unlock: added cautionary note about flashing firmwares containing boot code that checks the word at 0x2060
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sat, 21 Jun 2014 06:55:27 +0000
parents 5d9001f0c3aa
children
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5d9001f0c3aa fc-sendsp: written, compiles
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1 /*
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2 * This hack-utility sends a GPF System Primitive given on the command line
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3 * to a target GSM device via rvinterf.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <stdio.h>
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8 #include <string.h>
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9 #include <strings.h>
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10 #include <stdlib.h>
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11 #include "pktmux.h"
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12 #include "limits.h"
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13
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14 char *socket_pathname = "/tmp/rvinterf_socket";
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15
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16 main(argc, argv)
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17 char **argv;
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18 {
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19 char *stackdest, *primarg;
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20 unsigned intlen;
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21 u_char sendpkt[MAX_PKT_TO_TARGET];
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22 unsigned pktlen;
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23
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24 if (argc < 3) {
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25 usage: fprintf(stderr, "usage: %s [-s socket] stackdest primarg\n",
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26 argv[0]);
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27 exit(1);
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28 }
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29 if (strcmp(argv[1], "-s")) {
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30 if (argc != 3)
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31 goto usage;
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32 stackdest = argv[1];
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33 primarg = argv[2];
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34 } else {
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35 if (argc != 5)
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36 goto usage;
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37 socket_pathname = argv[2];
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38 stackdest = argv[3];
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39 primarg = argv[4];
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40 }
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41 if (strlen(stackdest) > 4) {
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42 fprintf(stderr,
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43 "error: stack destination arg may not exceed 4 characters\n");
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44 exit(1);
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45 }
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46 intlen = 12 + strlen(primarg) + 1;
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47 pktlen = intlen + 4;
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48 if (pktlen > MAX_PKT_TO_TARGET) {
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49 fprintf(stderr, "error: max pkt to target limit exceeded\n");
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50 exit(1);
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51 }
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52 /* fill out the packet */
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53 sendpkt[0] = RVT_L23_HEADER;
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54 sendpkt[1] = 0xB7; /* system prim */
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55 sendpkt[2] = intlen;
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56 sendpkt[3] = intlen >> 8;
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57 /* send zeros for the timestamp */
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58 sendpkt[4] = 0;
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59 sendpkt[5] = 0;
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60 sendpkt[6] = 0;
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61 sendpkt[7] = 0;
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62 /* as far as TI's sw is concerned, we are PCO */
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63 sendpkt[8] = 'P';
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64 sendpkt[9] = 'C';
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65 sendpkt[10] = 'O';
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66 sendpkt[11] = ' ';
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67 sprintf(sendpkt + 12, "%-4s%s", stackdest, primarg);
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68 /* send it! */
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69 send_pkt_to_target(sendpkt, pktlen);
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70 exit(0);
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71 }