FreeCalypso > hg > freecalypso-tools
annotate loadtools/chainload.c @ 294:1416fe200069
c1xx-calextr started
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 18 Nov 2017 17:12:20 +0000 |
parents | e7502631a0f9 |
children | 88962b111edc |
rev | line source |
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0
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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 |
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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 |
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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"); |
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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 } |
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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 } |
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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 } |
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105 printf("Sending jump command\n"); |
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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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Mychaela Falconia <falcon@freecalypso.org>
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114 } |