FreeCalypso > hg > freecalypso-tools

annotate rvinterf/etmsync/olddump.c @ 23:10b71f01f4ff

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doc/Host-tools-overview updated for the current state of the tools
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 22 Oct 2016 17:16:21 +0000
parents e7502631a0f9
children
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1 /*
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2 * This utility uses the old TM3 memory read command (in a synchronous manner
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3 * using our etmsync infrastructure) to read the memory of a GSM device running
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4 * a compatible fw version; it was written as an aid for reverse-engineering
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5 * bootloader-locked Mot C139 fw versions.
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6 */
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7
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8 #include <sys/types.h>
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9 #include <stdio.h>
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10 #include <stdlib.h>
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11 #include <string.h>
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12 #include <strings.h>
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13 #include "tm3.h"
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14 #include "localtypes.h"
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15 #include "exitcodes.h"
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16
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17 #define CHUNK_SIZE TM3_MEMREAD_MAX
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18
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19 single_op_main(argc, argv)
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20 char **argv;
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21 {
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22 u32 addr, len, chunk;
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23 char buf[CHUNK_SIZE];
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24 FILE *outf;
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25 int rc;
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26
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27 if (argc != 3) {
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28 fprintf(stderr,
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29 "usage: fc-olddump [options] start-addr dump-length binfile\n");
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30 exit(ERROR_USAGE);
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31 }
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32 addr = strtoul(argv[0], 0, 16);
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33 len = strtoul(argv[1], 0, 16);
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34 outf = fopen(argv[2], "w");
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35 if (!outf) {
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36 perror(argv[2]);
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37 exit(ERROR_UNIX);
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38 }
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39 while (len) {
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40 chunk = len;
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41 if (chunk > CHUNK_SIZE)
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42 chunk = CHUNK_SIZE;
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43 rc = do_memory_read_tm3(addr, buf, chunk);
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44 if (rc)
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45 exit(rc);
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46 fwrite(buf, 1, chunk, outf);
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47 putchar('.');
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48 fflush(stdout);
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49 addr += chunk;
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50 len -= chunk;
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51 }
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52 putchar('\n');
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53 fclose(outf);
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54 exit(0);
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55 }