FreeCalypso > hg > freecalypso-tools

annotate loadtools/clmain.c @ 619:f82551c77e58

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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
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0
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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 <unistd.h>
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11 #include "../libserial/baudrate.h"
0
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12 #include "srecreader.h"
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13
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14 char *target_ttydev;
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15
0
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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
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23 extern struct baudrate *find_baudrate_by_name();
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24
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25 struct baudrate *xram_load_baudrate;
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26 struct baudrate *xram_run_baudrate = baud_rate_table; /* 1st entry default */
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27 int xram_jtag_mode;
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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:c:C:h:H:i:jP:r:")) != 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 'c':
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55 set_compalstage_short(optarg);
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56 continue;
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57 case 'C':
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58 set_compalstage_fullpath(optarg);
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59 continue;
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60 case 'h':
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61 read_hwparam_file_shortname(optarg);
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62 continue;
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63 case 'H':
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64 read_hwparam_file_fullpath(optarg);
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65 continue;
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66 case 'i':
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67 set_beacon_interval(optarg);
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68 continue;
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69 case 'j':
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70 xram_jtag_mode = 1;
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71 continue;
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72 case 'P':
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73 if (find_bootctrl_entry(optarg) < 0)
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74 exit(1); /* error msg already printed */
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75 continue;
0
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76 case 'r':
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77 br = find_baudrate_by_name(optarg);
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78 if (!br)
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79 exit(1); /* error msg already printed */
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80 xram_run_baudrate = br;
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81 continue;
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82 case '?':
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83 default:
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84 usage: fprintf(stderr,
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85 "usage: fc-xram [options] ttyport xramimage.srec [2ndprog]\n");
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86 exit(1);
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87 }
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88 if (argc - optind < 2)
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89 goto usage;
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90 target_ttydev = argv[optind];
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91 xramimage.filename = argv[optind+1];
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92 if (!iramimage.filename)
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93 iramimage.filename = default_loadagent_image;
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94 if (argc - optind >= 3) {
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95 passon_argv = argv + optind + 2;
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96 passon_argc = argc - optind - 2;
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97 }
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98
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99 open_serial_port(target_ttydev);
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100 pwon_if_needed();
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101 perform_compal_stage();
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102 perform_romload();
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103 /* loadagent should be running now */
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104 if (tpinterf_pass_output(1) < 0)
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105 exit(1);
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106 if (hw_init_script[0]) {
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107 printf("Executing init script %s\n", hw_init_script);
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108 c = exec_init_script(hw_init_script);
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109 if (c)
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110 exit(1);
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111 }
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112 if (xram_load_baudrate && xram_load_baudrate != current_baud_rate) {
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113 c = loadagent_switch_baud(xram_load_baudrate);
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114 if (c)
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115 exit(1);
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116 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 printf("Sending XRAM image to loadagent\n");
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 perform_chain_load();
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 if (passon_argv)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 exec_2nd_prog();
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 tty_passthru();
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 exit(0);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 }