annotate loadtools/romdump.c @ 619:f82551c77e58

libserial-newlnx: ASYNC_LOW_LATENCY patch reverted Reports from Das Signal indicate that loadtools performance on Debian is about the same as on Slackware, and that including or omitting the ASYNC_LOW_LATENCY patch from Serg makes no difference. Because the patch in question does not appear to be necessary, it is being reverted until and unless someone other than Serg reports an actual real-world system on which loadtools operation times are slowed compared to the Mother's Slackware reference and on which Slackware-like performance can be restored by setting the ASYNC_LOW_LATENCY flag.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 27 Feb 2020 01:09:48 +0000
parents cef70d53fc5e
children ecea01f65146
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 fc-dspromdump.
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3 */
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4
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5 #include <sys/types.h>
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6 #include <stdint.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <string.h>
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10 #include <strings.h>
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11 #include <unistd.h>
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12 #include "../libserial/baudrate.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 extern char default_dspdump_image[];
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19 extern struct baudrate *current_baud_rate;
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20 extern void (*default_exit)();
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21
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22 extern struct baudrate *find_baudrate_by_name();
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23
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24 static struct baudrate *romdump_baudrate;
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25 static char *output_filename;
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26 static FILE *outfile;
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27
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28 static
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29 dump_receiver(line)
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30 char *line;
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31 {
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32 if (!strncmp(line, "DSP dump:", 9) || !strncmp(line, "ERROR:", 6))
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33 puts(line);
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34 fprintf(outfile, "%s\n", line);
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35 return(1);
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36 }
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37
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38 main(argc, argv)
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39 char **argv;
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40 {
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41 extern char *optarg;
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42 extern int optind;
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43 int c;
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44 struct baudrate *br;
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45 char *targv[2];
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46
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47 while ((c = getopt(argc, argv, "a:b:B:c:C:h:H:i:P:")) != EOF)
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48 switch (c) {
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49 case 'a':
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50 iramimage.filename = optarg;
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51 continue;
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52 case 'b':
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53 set_romload_baudrate(optarg);
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54 continue;
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55 case 'B':
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56 br = find_baudrate_by_name(optarg);
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57 if (!br)
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58 exit(1); /* error msg already printed */
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59 romdump_baudrate = br;
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60 continue;
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61 case 'c':
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62 set_compalstage_short(optarg);
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63 continue;
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64 case 'C':
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65 set_compalstage_fullpath(optarg);
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66 continue;
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67 case 'h':
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68 read_hwparam_file_shortname(optarg);
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69 continue;
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70 case 'H':
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71 read_hwparam_file_fullpath(optarg);
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72 continue;
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73 case 'i':
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74 set_beacon_interval(optarg);
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75 continue;
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76 case 'P':
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77 if (find_bootctrl_entry(optarg) < 0)
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78 exit(1); /* error msg already printed */
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79 continue;
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80 case '?':
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81 default:
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82 usage: fprintf(stderr,
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83 "usage: fc-dspromdump [options] ttyport output-file\n");
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84 exit(1);
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85 }
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86 if (argc - optind != 2)
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87 goto usage;
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88 target_ttydev = argv[optind];
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89 output_filename = argv[optind+1];
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90 if (!iramimage.filename)
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91 iramimage.filename = default_dspdump_image;
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92
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93 open_serial_port(target_ttydev);
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94 pwon_if_needed();
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95 perform_compal_stage();
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96 perform_romload();
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97 /* dspdump target program should be running now */
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98 if (tpinterf_pass_output(1) < 0)
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99 exit(1);
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100 if (romdump_baudrate && romdump_baudrate != current_baud_rate) {
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101 c = loadagent_switch_baud(romdump_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 outfile = fopen(output_filename, "w");
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106 if (!outfile) {
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107 perror(output_filename);
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108 exit(1);
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109 }
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110 printf("Requesting DSP ROM dump\n");
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111 targv[0] = "fulldump";
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112 targv[1] = 0;
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113 tpinterf_make_cmd(targv);
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114 if (tpinterf_send_cmd() < 0)
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115 exit(1);
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116 c = tpinterf_capture_output(2, dump_receiver);
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117 fclose(outfile);
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118 if (c < 0)
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119 exit(1);
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120 default_exit(0);
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121 }