FreeCalypso > hg > freecalypso-tools

annotate loadtools/chainload.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 02bdb2f366bc
children bf840c984113
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1 /*
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2 * This module implements the chain-loading of XRAM images via loadagent.
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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 <time.h>
0
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12 #include "srecreader.h"
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13
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14 struct srecreader xramimage;
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15
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16 extern struct baudrate *current_baud_rate;
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17 extern struct baudrate *xram_run_baudrate;
536
dc05170ab113 fc-xram JTAG mode (-j) implemented
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diff changeset
18 extern int xram_jtag_mode;
0
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19
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20 static void
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21 make_ml_arg(rec, buf)
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22 u_char *rec;
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23 char *buf;
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24 {
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25 register int i, len;
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26 register char *s;
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27
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28 len = rec[0] + 1;
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29 s = buf;
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30 for (i = 0; i < len; i++) {
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31 sprintf(s, "%02X", rec[i]);
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32 s += 2;
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33 }
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34 *s = '\0';
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35 }
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36
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37 perform_chain_load()
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38 {
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39 int resp;
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40 unsigned long rec_count;
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41 char *argv[3], srecarg[516];
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42 time_t start_time, finish_time;
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43 unsigned duration, mm, ss;
0
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44
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45 if (open_srec_file(&xramimage) < 0)
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46 exit(1);
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47 argv[0] = "ML";
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48 argv[1] = srecarg;
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49 argv[2] = 0;
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50 for (rec_count = 0; ; ) {
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Mychaela Falconia <falcon@freecalypso.org>
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51 if (read_s_record(&xramimage) < 0)
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52 exit(1);
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53 switch (xramimage.record_type) {
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54 case '0':
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55 if (xramimage.lineno == 1)
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56 continue;
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57 fprintf(stderr,
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58 "%s: S0 record found in line %d (expected in line 1 only)\n",
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59 xramimage.filename, xramimage.lineno);
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60 exit(1);
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61 case '3':
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62 case '7':
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63 if (s3s7_get_addr_data(&xramimage) < 0)
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64 exit(1);
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65 break;
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66 default:
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67 fprintf(stderr,
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68 "%s line %d: S%c record type not supported\n",
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69 xramimage.filename, xramimage.lineno,
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70 xramimage.record_type);
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71 exit(1);
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72 }
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73 if (xramimage.record_type == '7') {
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74 time(&finish_time);
0
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75 break;
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76 }
0
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77 /* must be S3 */
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78 if (xramimage.datalen < 1) {
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79 fprintf(stderr,
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80 "%s line %d: S3 record has zero data length\n",
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81 xramimage.filename, xramimage.lineno);
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82 exit(1);
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83 }
614
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84 if (!rec_count) {
0
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85 printf("Each \'.\' is 100 S-records\n");
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86 time(&start_time);
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87 }
0
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88 make_ml_arg(xramimage.record, srecarg);
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89 tpinterf_make_cmd(argv);
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Mychaela Falconia <falcon@freecalypso.org>
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90 if (tpinterf_send_cmd())
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91 exit(1);
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92 if (tpinterf_pass_output(1))
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93 exit(1);
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94 rec_count++;
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95 if (rec_count % 100 == 0) {
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Mychaela Falconia <falcon@freecalypso.org>
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96 putchar('.');
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Mychaela Falconia <falcon@freecalypso.org>
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97 fflush(stdout);
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98 }
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99 }
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100 /* got S7 */
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Mychaela Falconia <falcon@freecalypso.org>
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101 fclose(xramimage.openfile);
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102 if (!rec_count) {
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103 fprintf(stderr,
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104 "%s line %d: S7 without any preceding S3 data records\n",
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Mychaela Falconia <falcon@freecalypso.org>
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105 xramimage.filename, xramimage.lineno);
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Mychaela Falconia <falcon@freecalypso.org>
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106 exit(1);
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107 }
535
88962b111edc fc-xram: print a newline after the dots
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diff changeset
108 putchar('\n'); /* newline after the dots */
614
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Mychaela Falconia <falcon@freecalypso.org>
parents: 536
diff changeset
109 duration = finish_time - start_time;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 536
diff changeset
110 mm = duration / 60;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 536
diff changeset
111 ss = duration - mm * 60;
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
112 printf("XRAM image transferred in %um%us\n", mm, ss);
0
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 if (xram_run_baudrate != current_baud_rate) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 resp = loadagent_switch_baud(xram_run_baudrate);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 if (resp)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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116 exit(1);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 }
536
dc05170ab113 fc-xram JTAG mode (-j) implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 535
diff changeset
118 if (xram_jtag_mode) {
dc05170ab113 fc-xram JTAG mode (-j) implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 535
diff changeset
119 printf(
dc05170ab113 fc-xram JTAG mode (-j) implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 535
diff changeset
120 "Leaving target in loadagent for JTAG; image start address is 0x%08lX\n",
dc05170ab113 fc-xram JTAG mode (-j) implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 535
diff changeset
121 (u_long) xramimage.addr);
dc05170ab113 fc-xram JTAG mode (-j) implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 535
diff changeset
122 exit(0);
dc05170ab113 fc-xram JTAG mode (-j) implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 535
diff changeset
123 }
0
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 printf("Sending jump command\n");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 sprintf(srecarg, "%lX", (u_long) xramimage.addr);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 argv[0] = "jump";
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 tpinterf_make_cmd(argv);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 if (tpinterf_send_cmd())
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 exit(1);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 printf("Sent \"%s %s\": XRAM image should now be running!\n",
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 argv[0], argv[1]);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 return(0);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 }