FreeCalypso > hg > freecalypso-tools

annotate loadtools/chainload.c @ 650:bf840c984113

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fc-xram reworked to use the new binary protocol
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 02 Mar 2020 03:21:41 +0000
parents 02bdb2f366bc
children 6bb41b4d39ed
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 extern int target_fd;
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15
0
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16 struct srecreader xramimage;
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17
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18 extern struct baudrate *current_baud_rate;
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19 extern struct baudrate *xram_run_baudrate;
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20 extern int xram_jtag_mode;
0
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21
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22 perform_chain_load()
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23 {
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24 int resp, reclen;
0
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25 unsigned long rec_count;
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26 char *argv[3], jumparg[10];
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27 u_char scratch[3], expect_conf[3];
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28 time_t start_time, finish_time;
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29 unsigned duration, mm, ss;
0
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30
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31 if (open_srec_file(&xramimage) < 0)
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32 exit(1);
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33 /* enter binary RAM download mode */
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34 argv[0] = "BINML";
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35 argv[1] = 0;
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36 tpinterf_make_cmd(argv);
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37 if (tpinterf_send_cmd())
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38 exit(1);
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39 /* read and send S-record image */
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40 expect_conf[0] = 0x06;
0
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41 for (rec_count = 0; ; ) {
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42 if (read_s_record(&xramimage) < 0)
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43 exit(1);
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44 switch (xramimage.record_type) {
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45 case '0':
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46 if (xramimage.lineno == 1)
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47 continue;
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48 fprintf(stderr,
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49 "%s: S0 record found in line %d (expected in line 1 only)\n",
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Mychaela Falconia <falcon@freecalypso.org>
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50 xramimage.filename, xramimage.lineno);
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51 exit(1);
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52 case '3':
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53 case '7':
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54 if (s3s7_get_addr_data(&xramimage) < 0)
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55 exit(1);
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56 break;
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57 default:
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58 fprintf(stderr,
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59 "%s line %d: S%c record type not supported\n",
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60 xramimage.filename, xramimage.lineno,
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61 xramimage.record_type);
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62 exit(1);
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63 }
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64 if (xramimage.record_type == '7')
0
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65 break;
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66 /* must be S3 */
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67 if (xramimage.datalen < 1) {
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68 fprintf(stderr,
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69 "%s line %d: S3 record has zero data length\n",
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70 xramimage.filename, xramimage.lineno);
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71 exit(1);
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72 }
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73 if (!rec_count) {
0
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74 printf("Each \'.\' is 100 S-records\n");
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75 time(&start_time);
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76 }
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77 reclen = xramimage.datalen + 6;
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78 if (write(target_fd, xramimage.record, reclen) != reclen) {
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79 perror("binary write to target");
0
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80 exit(1);
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81 }
0
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82 rec_count++;
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83 if (rec_count % 100 == 0) {
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84 scratch[0] = 0x05; /* ENQ */
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85 write(target_fd, scratch, 1);
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86 if (collect_binblock_from_target(scratch, 3, 1))
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87 exit(1);
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88 expect_conf[1] = rec_count >> 8;
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89 expect_conf[2] = rec_count;
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90 if (bcmp(scratch, expect_conf, 3)) {
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91 fprintf(stderr,
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92 "error: expected sync mismatch\n");
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93 exit(1);
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94 }
0
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95 putchar('.');
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96 fflush(stdout);
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97 }
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98 }
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99 /* got S7 */
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100 fclose(xramimage.openfile);
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101 if (!rec_count) {
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102 fprintf(stderr,
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103 "%s line %d: S7 without any preceding S3 data records\n",
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104 xramimage.filename, xramimage.lineno);
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105 exit(1);
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106 }
535
88962b111edc fc-xram: print a newline after the dots
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107 putchar('\n'); /* newline after the dots */
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108 scratch[0] = 0x04; /* EOT */
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109 write(target_fd, scratch, 1);
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110 if (collect_binblock_from_target(scratch, 1, 1))
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111 exit(1);
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112 time(&finish_time);
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113 if (scratch[0] != '=') {
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114 fprintf(stderr, "error: \'=\' not received as expected\n");
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115 exit(1);
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116 }
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117 duration = finish_time - start_time;
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118 mm = duration / 60;
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119 ss = duration - mm * 60;
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120 printf("XRAM image transferred in %um%us\n", mm, ss);
0
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121 if (xram_run_baudrate != current_baud_rate) {
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122 resp = loadagent_switch_baud(xram_run_baudrate);
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123 if (resp)
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124 exit(1);
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125 }
536
dc05170ab113 fc-xram JTAG mode (-j) implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 535
diff changeset
126 if (xram_jtag_mode) {
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Mychaela Falconia <falcon@freecalypso.org>
parents: 535
diff changeset
127 printf(
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parents: 535
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128 "Leaving target in loadagent for JTAG; image start address is 0x%08lX\n",
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Mychaela Falconia <falcon@freecalypso.org>
parents: 535
diff changeset
129 (u_long) xramimage.addr);
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Mychaela Falconia <falcon@freecalypso.org>
parents: 535
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130 exit(0);
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parents: 535
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131 }
0
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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132 printf("Sending jump command\n");
650
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Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
133 sprintf(jumparg, "%lX", (u_long) xramimage.addr);
0
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parents:
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134 argv[0] = "jump";
650
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parents: 614
diff changeset
135 argv[1] = jumparg;
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parents: 614
diff changeset
136 argv[2] = 0;
0
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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137 tpinterf_make_cmd(argv);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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138 if (tpinterf_send_cmd())
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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139 exit(1);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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140 printf("Sent \"%s %s\": XRAM image should now be running!\n",
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parents:
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141 argv[0], argv[1]);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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142 return(0);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 }