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annotate loadtools/clmain.c @ 228:3275c8881cb7

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documentation update for the loadtools-r2 release
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sat, 25 Jan 2014 18:16:52 +0000
parents e4257294102b
children 837ba1b47478
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * This module contains the main() function for the XRAM chain-loading
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3 * utility fc-xram.
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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 <stdint.h>
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8 #include <stdio.h>
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9 #include <stdlib.h>
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10 #include <termios.h>
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11 #include <unistd.h>
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12 #include "baudrate.h"
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13 #include "srecreader.h"
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14
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15 extern char *target_ttydev;
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16 extern struct srecreader iramimage;
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17 extern char default_loadagent_image[];
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18 extern struct srecreader xramimage;
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19 extern char hw_init_script[];
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20 extern struct baudrate baud_rate_table[];
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21 extern struct baudrate *current_baud_rate;
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22 extern int gta_modem_poweron;
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23
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24 extern struct baudrate *find_baudrate_by_name();
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25
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26 struct baudrate *xram_load_baudrate;
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27 struct baudrate *xram_run_baudrate = baud_rate_table; /* 1st entry default */
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28
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29 char **passon_argv;
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30 int passon_argc;
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31
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32 main(argc, argv)
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33 char **argv;
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34 {
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35 extern char *optarg;
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36 extern int optind;
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37 int c;
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38 struct baudrate *br;
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39
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40 while ((c = getopt(argc, argv, "+a:b:B:h:H:i:nr:")) != EOF)
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41 switch (c) {
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42 case 'a':
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43 iramimage.filename = optarg;
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44 continue;
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45 case 'b':
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46 set_romload_baudrate(optarg);
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47 continue;
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48 case 'B':
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49 br = find_baudrate_by_name(optarg);
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50 if (!br)
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51 exit(1); /* error msg already printed */
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52 xram_load_baudrate = br;
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53 continue;
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54 case 'h':
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55 read_hwparam_file_shortname(optarg);
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56 continue;
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57 case 'H':
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58 read_hwparam_file_fullpath(optarg);
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59 continue;
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60 case 'i':
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61 set_beacon_interval(optarg);
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62 continue;
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63 case 'n':
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64 gta_modem_poweron = 0;
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65 continue;
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66 case 'r':
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67 br = find_baudrate_by_name(optarg);
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68 if (!br)
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69 exit(1); /* error msg already printed */
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70 xram_run_baudrate = br;
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71 continue;
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72 case '?':
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73 default:
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74 usage: fprintf(stderr,
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75 "usage: fc-xram [options] ttyport xramimage.srec [2ndprog]\n");
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76 exit(1);
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77 }
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78 if (argc - optind < 2)
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79 goto usage;
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80 target_ttydev = argv[optind];
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81 xramimage.filename = argv[optind+1];
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82 if (!iramimage.filename)
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83 iramimage.filename = default_loadagent_image;
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84 if (argc - optind >= 3) {
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85 passon_argv = argv + optind + 2;
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86 passon_argc = argc - optind - 2;
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87 }
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88
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89 open_target_serial();
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90 perform_romload();
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91 /* loadagent should be running now */
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92 if (tpinterf_pass_output(1) < 0)
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93 exit(1);
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94 if (hw_init_script[0]) {
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95 printf("Executing init script %s\n", hw_init_script);
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96 c = exec_init_script(hw_init_script);
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97 if (c)
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98 exit(1);
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99 }
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100 if (xram_load_baudrate && xram_load_baudrate != current_baud_rate) {
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101 c = loadagent_switch_baud(xram_load_baudrate);
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102 if (c)
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103 exit(1);
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104 }
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105 printf("Sending XRAM image to loadagent\n");
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106 perform_chain_load();
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107 if (passon_argv)
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108 exec_2nd_prog();
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109 tty_passthru();
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110 exit(0);
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111 }
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112
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113 exec_2nd_prog()
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114 {
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115 char **execp_argv;
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116 char **sp, **dp;
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117 extern int target_fd;
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118 char desc_arg[16];
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119
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120 sprintf(desc_arg, "-d%d", target_fd);
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121 execp_argv = (char **) malloc(sizeof(char *) * (passon_argc + 2));
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122 if (!execp_argv) {
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123 perror("malloc argv for execvp");
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124 exit(1);
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125 }
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126 sp = passon_argv;
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127 dp = execp_argv;
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128 *dp++ = *sp++;
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129 *dp++ = desc_arg;
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130 while (*sp)
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131 *dp++ = *sp++;
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132 *dp = NULL;
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133 execvp(execp_argv[0], execp_argv);
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134 fprintf(stderr, "Unable to execvp %s\n", passon_argv[0]);
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135 exit(1);
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parents: 84
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136 }