annotate loadtools/sertool.c @ 624:7485e75d9477

srec-regions: removed unnecessary prohibition against address going backward
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 27 Feb 2020 08:12:11 +0000
parents cef70d53fc5e
children ecea01f65146
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1 /*
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2 * This module contains the main() function for fc-iram, previously
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3 * called fc-sertool: the simplest of the FreeCalypso loading tools,
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4 * which sends the user-specified IRAM SREC image to the boot ROM
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5 * and then switches into serial tty pass-through.
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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 <stdint.h>
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10 #include <stdio.h>
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11 #include <stdlib.h>
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12 #include <unistd.h>
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13 #include "srecreader.h"
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14
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15 char *target_ttydev;
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16
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17 extern struct srecreader iramimage;
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18
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19 char **passon_argv;
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20 int passon_argc;
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21
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22 main(argc, argv)
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23 char **argv;
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24 {
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25 extern char *optarg;
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26 extern int optind;
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27 int c;
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28
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29 while ((c = getopt(argc, argv, "b:c:C:h:H:i:P:")) != EOF)
0
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30 switch (c) {
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31 case 'b':
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32 set_romload_baudrate(optarg);
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33 continue;
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34 case 'c':
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35 set_compalstage_short(optarg);
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36 continue;
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37 case 'C':
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38 set_compalstage_fullpath(optarg);
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39 continue;
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40 case 'h':
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41 read_hwparam_file_shortname(optarg);
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42 continue;
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43 case 'H':
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44 read_hwparam_file_fullpath(optarg);
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45 continue;
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46 case 'i':
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47 set_beacon_interval(optarg);
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48 continue;
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49 case 'P':
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50 if (find_bootctrl_entry(optarg) < 0)
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51 exit(1); /* error msg already printed */
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52 continue;
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53 case '?':
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54 default:
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55 usage: fprintf(stderr,
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56 "usage: fc-iram [options] ttyport iramimage.srec\n");
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57 exit(1);
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58 }
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59 if (argc - optind < 2)
0
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60 goto usage;
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61 target_ttydev = argv[optind];
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62 iramimage.filename = argv[optind+1];
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63 if (argc - optind >= 3) {
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64 passon_argv = argv + optind + 2;
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65 passon_argc = argc - optind - 2;
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66 }
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67
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68 open_serial_port(target_ttydev);
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69 pwon_if_needed();
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70 perform_compal_stage();
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71 perform_romload();
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72 if (passon_argv)
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73 exec_2nd_prog();
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74 tty_passthru();
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75 exit(0);
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76 }