annotate miscutil/srec-regions.c @ 964:a96cb97b66a2

ringtools/imy: fix duplicate definition of tdma_durations[] The bug was reported by Vadim Yanitskiy <fixeria@osmocom.org>, although the present fix is slightly different from the contributed patch: because main.c doesn't need this tdma_durations[] array at all, let's simply remove the reference to this array from main.c rather than turn it into an extern. I no longer remember my original thought flow that resulted (by mistake) in tdma_durations[] being multiply defined in main.c and durations.c. My intent might have been to define all globals in main.c and have the reference in durations.c be an extern - and I missed that extern - but without clear memory, I have no certainty. In any case, having this data array defined in the same module that fills it (durations.c) is sensible, so let's make it the new way.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 31 Aug 2023 19:38:18 +0000
parents 7ef3343161d6
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
622
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1 /*
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2 * This program parses an S-record file (TI's *.m0 or otherwise), identifies
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3 * the set of discontiguous regions into which this SREC image deposits bits,
89e9e79a7f55 srec-regions utility written, compiles
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4 * and lists these identified regions.
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5 */
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6
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7 #include <sys/types.h>
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8 #include <stdio.h>
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9 #include <ctype.h>
89e9e79a7f55 srec-regions utility written, compiles
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10 #include <string.h>
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11 #include <strings.h>
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12 #include <stdlib.h>
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13
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14 char *infname;
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15 FILE *inf;
89e9e79a7f55 srec-regions utility written, compiles
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16 char srecbuf[1024];
89e9e79a7f55 srec-regions utility written, compiles
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17 u_char srecbin[256];
89e9e79a7f55 srec-regions utility written, compiles
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18 int lineno, state;
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19 u_long region_start, region_end;
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20
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21 decode_hex_byte(s)
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22 char *s;
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23 {
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24 register int u, l;
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25
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26 if (!isxdigit(s[0]) || !isxdigit(s[1]))
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27 return(-1);
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28 if (isdigit(s[0]))
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29 u = s[0] - '0';
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30 else if (isupper(s[0]))
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31 u = s[0] - 'A' + 10;
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32 else
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33 u = s[0] - 'a' + 10;
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34 if (isdigit(s[1]))
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35 l = s[1] - '0';
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36 else if (isupper(s[1]))
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37 l = s[1] - 'A' + 10;
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38 else
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39 l = s[1] - 'a' + 10;
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40 return((u << 4) | l);
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41 }
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42
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43 srec2bin()
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44 {
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45 register int i, l, b;
89e9e79a7f55 srec-regions utility written, compiles
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46
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47 l = decode_hex_byte(srecbuf + 2);
89e9e79a7f55 srec-regions utility written, compiles
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48 if (l < 1) {
89e9e79a7f55 srec-regions utility written, compiles
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49 fprintf(stderr, "%s line %d: S-record length octet is bad\n",
89e9e79a7f55 srec-regions utility written, compiles
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50 infname, lineno);
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51 exit(1);
89e9e79a7f55 srec-regions utility written, compiles
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52 }
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53 srecbin[0] = l;
89e9e79a7f55 srec-regions utility written, compiles
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54 for (i = 1; i <= l; i++) {
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55 b = decode_hex_byte(srecbuf + i*2 + 2);
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56 if (b < 0) {
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57 fprintf(stderr, "%s line %d: hex decode error\n",
89e9e79a7f55 srec-regions utility written, compiles
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58 infname, lineno);
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59 exit(1);
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60 }
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61 srecbin[i] = b;
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62 }
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63 return(0);
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64 }
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65
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66 srec_cksum()
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67 {
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68 u_char accum;
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69 register int i, len;
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70
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71 len = srecbin[0] + 1;
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72 accum = 0;
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73 for (i = 0; i < len; i++)
89e9e79a7f55 srec-regions utility written, compiles
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74 accum += srecbin[i];
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75 if (accum != 0xFF) {
89e9e79a7f55 srec-regions utility written, compiles
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76 fprintf(stderr, "%s line %d: bad checksum\n", infname, lineno);
89e9e79a7f55 srec-regions utility written, compiles
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77 exit(1);
89e9e79a7f55 srec-regions utility written, compiles
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78 }
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79 return(0);
89e9e79a7f55 srec-regions utility written, compiles
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80 }
89e9e79a7f55 srec-regions utility written, compiles
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81
89e9e79a7f55 srec-regions utility written, compiles
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82 main(argc, argv)
89e9e79a7f55 srec-regions utility written, compiles
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83 char **argv;
89e9e79a7f55 srec-regions utility written, compiles
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84 {
89e9e79a7f55 srec-regions utility written, compiles
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85 register int i;
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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86 u_long curaddr;
89e9e79a7f55 srec-regions utility written, compiles
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87 int datalen;
89e9e79a7f55 srec-regions utility written, compiles
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88
89e9e79a7f55 srec-regions utility written, compiles
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89 if (argc != 2) {
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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90 fprintf(stderr, "usage: %s image.m0\n", argv[0]);
89e9e79a7f55 srec-regions utility written, compiles
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91 exit(1);
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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92 }
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93 infname = argv[1];
89e9e79a7f55 srec-regions utility written, compiles
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94 inf = fopen(infname, "r");
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95 if (!inf) {
89e9e79a7f55 srec-regions utility written, compiles
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96 perror(infname);
89e9e79a7f55 srec-regions utility written, compiles
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97 exit(1);
89e9e79a7f55 srec-regions utility written, compiles
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98 }
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99
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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100 state = 0;
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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101 for (lineno = 1; ; lineno++) {
89e9e79a7f55 srec-regions utility written, compiles
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102 if (!fgets(srecbuf, sizeof srecbuf, inf)) {
89e9e79a7f55 srec-regions utility written, compiles
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103 fprintf(stderr, "%s: premature EOF\n", infname);
89e9e79a7f55 srec-regions utility written, compiles
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104 exit(1);
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Mychaela Falconia <falcon@freecalypso.org>
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105 }
89e9e79a7f55 srec-regions utility written, compiles
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106 if (srecbuf[0] != 'S') {
89e9e79a7f55 srec-regions utility written, compiles
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107 fprintf(stderr, "%s line %d: not an S-record\n",
89e9e79a7f55 srec-regions utility written, compiles
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108 infname, lineno);
89e9e79a7f55 srec-regions utility written, compiles
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109 exit(1);
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110 }
89e9e79a7f55 srec-regions utility written, compiles
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111 switch (srecbuf[1]) {
89e9e79a7f55 srec-regions utility written, compiles
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112 case '0':
89e9e79a7f55 srec-regions utility written, compiles
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113 if (state == 0)
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114 break;
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115 else
89e9e79a7f55 srec-regions utility written, compiles
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116 goto badtype;
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117 case '3':
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118 if (state == 0)
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119 goto badtype;
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120 else
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121 break;
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122 case '7':
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123 if (state == 2)
89e9e79a7f55 srec-regions utility written, compiles
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124 break;
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125 else
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Mychaela Falconia <falcon@freecalypso.org>
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126 goto badtype;
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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127 default:
89e9e79a7f55 srec-regions utility written, compiles
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128 badtype:
89e9e79a7f55 srec-regions utility written, compiles
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129 fprintf(stderr,
89e9e79a7f55 srec-regions utility written, compiles
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130 "%s line %d: S-record type unexpected\n",
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
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131 infname, lineno);
89e9e79a7f55 srec-regions utility written, compiles
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132 exit(1);
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
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133 }
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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134 srec2bin();
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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135 srec_cksum();
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
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136 switch (srecbuf[1]) {
89e9e79a7f55 srec-regions utility written, compiles
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137 case '0':
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 state = 1;
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 continue;
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 case '3':
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 if (srecbin[0] < 6) {
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 fprintf(stderr,
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 "%s line %d: S3 record is too short\n",
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 infname, lineno);
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 exit(1);
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 }
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 curaddr = (srecbin[1] << 24) | (srecbin[2] << 16) |
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 (srecbin[3] << 8) | srecbin[4];
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 datalen = srecbin[0] - 5;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 if (state < 2) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 region_start = curaddr;
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 region_end = curaddr + datalen;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 state = 2;
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 continue;
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 }
624
7485e75d9477 srec-regions: removed unnecessary prohibition against address going backward
Mychaela Falconia <falcon@freecalypso.org>
parents: 622
diff changeset
156 if (curaddr != region_end) {
622
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 printf("0x%08lX to 0x%08lX (%lu bytes)\n",
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 region_start, region_end,
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 region_end - region_start);
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 region_start = curaddr;
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 region_end = curaddr + datalen;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 continue;
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 case '7':
625
7ef3343161d6 srec-regions: report the S7 address as well
Mychaela Falconia <falcon@freecalypso.org>
parents: 624
diff changeset
165 if (srecbin[0] < 5) {
7ef3343161d6 srec-regions: report the S7 address as well
Mychaela Falconia <falcon@freecalypso.org>
parents: 624
diff changeset
166 fprintf(stderr,
7ef3343161d6 srec-regions: report the S7 address as well
Mychaela Falconia <falcon@freecalypso.org>
parents: 624
diff changeset
167 "%s line %d: S7 record is too short\n",
7ef3343161d6 srec-regions: report the S7 address as well
Mychaela Falconia <falcon@freecalypso.org>
parents: 624
diff changeset
168 infname, lineno);
7ef3343161d6 srec-regions: report the S7 address as well
Mychaela Falconia <falcon@freecalypso.org>
parents: 624
diff changeset
169 exit(1);
7ef3343161d6 srec-regions: report the S7 address as well
Mychaela Falconia <falcon@freecalypso.org>
parents: 624
diff changeset
170 }
622
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 printf("0x%08lX to 0x%08lX (%lu bytes)\n",
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 region_start, region_end,
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 region_end - region_start);
625
7ef3343161d6 srec-regions: report the S7 address as well
Mychaela Falconia <falcon@freecalypso.org>
parents: 624
diff changeset
174 printf("S7 address 0x%02X%02X%02X%02X\n", srecbin[1],
7ef3343161d6 srec-regions: report the S7 address as well
Mychaela Falconia <falcon@freecalypso.org>
parents: 624
diff changeset
175 srecbin[2], srecbin[3], srecbin[4]);
622
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 exit(0);
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 default:
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 abort();
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 }
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 }
89e9e79a7f55 srec-regions utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 }