FreeCalypso > hg > freecalypso-sw

annotate loadtools/chainload.c @ 992:a7b0b426f9ca

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target-utils: boot ROM UART autodetection revamped The new implementation should work with both the familiar Calypso C035 boot ROM version found in our regular targets as well as the older Calypso F741979B version found on the vintage D-Sample board.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Wed, 30 Dec 2015 21:28:41 +0000
parents 771d9fda7630
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
42
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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 "srecreader.h"
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12
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13 struct srecreader xramimage;
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14
53
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15 extern struct baudrate *current_baud_rate;
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16 extern struct baudrate *xram_run_baudrate;
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17
42
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18 static void
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19 make_ml_arg(rec, buf)
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20 u_char *rec;
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21 char *buf;
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22 {
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23 register int i, len;
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24 register char *s;
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25
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26 len = rec[0] + 1;
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27 s = buf;
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28 for (i = 0; i < len; i++) {
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29 sprintf(s, "%02X", rec[i]);
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30 s += 2;
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31 }
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32 *s = '\0';
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33 }
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34
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35 perform_chain_load()
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36 {
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37 int resp;
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38 unsigned long rec_count;
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39 char *argv[3], srecarg[516];
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40
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41 if (open_srec_file(&xramimage) < 0)
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42 exit(1);
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43 argv[0] = "ML";
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44 argv[1] = srecarg;
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45 argv[2] = 0;
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46 for (rec_count = 0; ; ) {
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47 if (read_s_record(&xramimage) < 0)
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48 exit(1);
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49 switch (xramimage.record_type) {
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50 case '0':
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51 if (xramimage.lineno == 1)
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52 continue;
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53 fprintf(stderr,
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54 "%s: S0 record found in line %d (expected in line 1 only)\n",
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55 xramimage.filename, xramimage.lineno);
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56 exit(1);
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57 case '3':
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58 case '7':
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59 if (s3s7_get_addr_data(&xramimage) < 0)
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60 exit(1);
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61 break;
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62 default:
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63 fprintf(stderr,
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64 "%s line %d: S%c record type not supported\n",
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65 xramimage.filename, xramimage.lineno,
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66 xramimage.record_type);
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67 exit(1);
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68 }
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69 if (xramimage.record_type == '7')
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70 break;
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71 /* must be S3 */
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72 if (xramimage.datalen < 1) {
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73 fprintf(stderr,
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74 "%s line %d: S3 record has zero data length\n",
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75 xramimage.filename, xramimage.lineno);
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76 exit(1);
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77 }
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78 if (!rec_count)
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79 printf("Each \'.\' is 100 S-records\n");
42
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80 make_ml_arg(xramimage.record, srecarg);
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81 tpinterf_make_cmd(argv);
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82 if (tpinterf_send_cmd())
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83 exit(1);
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84 if (tpinterf_pass_output(1))
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85 exit(1);
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86 rec_count++;
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87 if (rec_count % 100 == 0) {
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88 putchar('.');
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89 fflush(stdout);
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90 }
42
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91 }
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92 /* got S7 */
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93 fclose(xramimage.openfile);
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94 if (!rec_count) {
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95 fprintf(stderr,
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96 "%s line %d: S7 without any preceding S3 data records\n",
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97 xramimage.filename, xramimage.lineno);
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98 exit(1);
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99 }
53
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100 if (xram_run_baudrate != current_baud_rate) {
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101 resp = loadagent_switch_baud(xram_run_baudrate);
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102 if (resp)
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103 exit(1);
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104 }
44
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105 printf("Sending jump command\n");
42
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106 sprintf(srecarg, "%lX", (u_long) xramimage.addr);
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107 argv[0] = "jump";
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108 tpinterf_make_cmd(argv);
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109 if (tpinterf_send_cmd())
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110 exit(1);
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111 printf("Sent \"%s %s\": XRAM image should now be running!\n",
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112 argv[0], argv[1]);
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113 return(0);
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114 }