FreeCalypso > hg > freecalypso-tools

annotate rvinterf/etmsync/memdump.c @ 620:dd162a4cb9fa

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CHANGES: objective performance comparison instead of blind patch
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 27 Feb 2020 01:21:58 +0000
parents e40bb5a6c6b9
children
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153
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1 /*
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2 * This utility uses one of TI's Test Mode memory read commands (either TM3 or
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3 * ETM) in a synchronous manner (using our etmsync infrastructure) to read the
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4 * memory of a GSM device running a compatible fw version. It supplants
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5 * the former fc-olddump tool.
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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 <unistd.h>
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14 #include "etm.h"
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15 #include "tm3.h"
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16 #include "localtypes.h"
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17 #include "exitcodes.h"
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18
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19 int use_etm;
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20
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21 extern char *socket_pathname;
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22 extern char *rvinterf_ttyport, *rvinterf_Bopt, *rvinterf_lopt, *rvinterf_wopt;
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23
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24 single_op_main(argc, argv)
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25 char **argv;
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26 {
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27 u32 addr, len, chunk, maxchunk;
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28 char buf[MAX_MEMREAD_BYTES];
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29 FILE *outf;
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30 int rc;
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31
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32 if (argc != 3) {
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33 fprintf(stderr,
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34 "usage: fc-memdump [options] start-addr dump-length binfile\n");
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35 exit(ERROR_USAGE);
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36 }
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37 addr = strtoul(argv[0], 0, 16);
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38 len = strtoul(argv[1], 0, 16);
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39 outf = fopen(argv[2], "w");
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40 if (!outf) {
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41 perror(argv[2]);
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42 exit(ERROR_UNIX);
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43 }
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44 if (use_etm)
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45 maxchunk = MAX_MEMREAD_BYTES;
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46 else
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47 maxchunk = TM3_MEMREAD_MAX;
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48 while (len) {
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49 chunk = len;
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50 if (chunk > maxchunk)
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51 chunk = maxchunk;
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52 if (use_etm)
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53 rc = do_memory_read(addr, buf, chunk);
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54 else
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55 rc = do_memory_read_tm3(addr, buf, chunk);
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56 if (rc)
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57 exit(rc);
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58 fwrite(buf, 1, chunk, outf);
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59 putchar('.');
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60 fflush(stdout);
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61 addr += chunk;
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62 len -= chunk;
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63 }
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64 putchar('\n');
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65 fclose(outf);
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66 exit(0);
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67 }
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68
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69 main(argc, argv)
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70 char **argv;
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71 {
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72 extern int optind;
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73 extern char *optarg;
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74 int c, sopt = 0;
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75
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76 while ((c = getopt(argc, argv, "B:el:p:s:w:")) != EOF)
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77 switch (c) {
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78 case 'B':
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79 rvinterf_Bopt = optarg;
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80 continue;
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81 case 'e':
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82 use_etm++;
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83 continue;
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84 case 'l':
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85 rvinterf_lopt = optarg;
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86 continue;
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87 case 'p':
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88 rvinterf_ttyport = optarg;
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89 continue;
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90 case 's':
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91 socket_pathname = optarg;
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92 sopt++;
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93 continue;
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94 case 'w':
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95 rvinterf_wopt = optarg;
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96 continue;
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97 case '?':
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98 default:
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99 /* error msg already printed */
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100 exit(ERROR_USAGE);
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101 }
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102 if (rvinterf_ttyport) {
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103 if (sopt) {
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104 fprintf(stderr,
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105 "%s error: -p and -s options are mutually exclusive\n",
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106 argv[0]);
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107 exit(ERROR_USAGE);
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108 }
423
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109 launch_rvinterf(1);
153
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110 } else {
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111 if (rvinterf_Bopt || rvinterf_lopt || rvinterf_wopt) {
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112 fprintf(stderr,
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113 "%s error: -B, -l and -w options are meaningful only when launching rvinterf\n",
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114 argv[0]);
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115 exit(ERROR_USAGE);
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116 }
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117 connect_local_socket();
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118 }
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119
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120 return single_op_main(argc - optind, argv + optind);
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121 }