FreeCalypso > hg > freecalypso-hwlab
annotate ee2232/ee2232-gen.c @ 56:d4357e6d6679
checking in some Calypso JTAG experiments
| author | Mychaela Falconia <falcon@freecalypso.org> | 
|---|---|
| date | Sun, 12 May 2019 04:11:30 +0000 | 
| parents | 252e3d37b9e5 | 
| children | 
| rev | line source | 
|---|---|
| 0 
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changeset | 1 #include <sys/types.h> | 
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changeset | 2 #include <ctype.h> | 
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changeset | 3 #include <string.h> | 
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changeset | 4 #include <strings.h> | 
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changeset | 5 #include <stdio.h> | 
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changeset | 6 #include <stdlib.h> | 
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changeset | 7 | 
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changeset | 8 u_short vid = 0x0403, pid = 0x6010; | 
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changeset | 9 char *manuf, *product; | 
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changeset | 10 u_char byte00 = 0x08, byte01 = 0x08; | 
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changeset | 11 u_char byte08 = 0x80, byte0A = 0x00; | 
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changeset | 12 unsigned maxpower = 100; | 
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changeset | 13 u_short usb_version = 0x0200; | 
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changeset | 14 | 
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changeset | 15 u_short eeprom[64]; | 
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changeset | 16 unsigned eeprom_string_ptr = 0x0B; | 
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changeset | 17 | 
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changeset | 18 read_config_file(filename) | 
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changeset | 19 char *filename; | 
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changeset | 20 { | 
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changeset | 21 FILE *inf; | 
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changeset | 22 char linebuf[1024]; | 
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changeset | 23 int lineno; | 
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changeset | 24 char *cp, *np; | 
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changeset | 25 | 
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changeset | 26 inf = fopen(filename, "r"); | 
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changeset | 27 if (!inf) { | 
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changeset | 28 perror(filename); | 
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changeset | 29 exit(1); | 
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changeset | 30 } | 
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changeset | 31 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++) { | 
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changeset | 32 cp = index(linebuf, '\n'); | 
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changeset | 33 if (!cp) { | 
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changeset | 34 fprintf(stderr, | 
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changeset | 35 "%s line %d: too long or unterminated\n", | 
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changeset | 36 filename, lineno); | 
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changeset | 37 exit(1); | 
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changeset | 38 } | 
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changeset | 39 *cp = '\0'; | 
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changeset | 40 for (cp = linebuf; isspace(*cp); cp++) | 
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changeset | 41 ; | 
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changeset | 42 if (*cp == '\0' || *cp == '#') | 
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changeset | 43 continue; | 
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changeset | 44 for (np = cp; *cp && !isspace(*cp); cp++) | 
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changeset | 45 ; | 
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changeset | 46 if (*cp) | 
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changeset | 47 *cp++ = '\0'; | 
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changeset | 48 while (isspace(*cp)) | 
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changeset | 49 cp++; | 
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changeset | 50 if (*cp == '\0' || *cp == '#') { | 
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changeset | 51 fprintf(stderr, | 
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changeset | 52 "%s line %d: \"%s\" setting without argument\n", | 
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changeset | 53 filename, lineno, np); | 
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changeset | 54 exit(1); | 
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changeset | 55 } | 
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changeset | 56 if (!strcmp(np, "vid")) | 
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changeset | 57 vid = strtoul(cp, 0, 16); | 
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changeset | 58 else if (!strcmp(np, "pid")) | 
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changeset | 59 pid = strtoul(cp, 0, 16); | 
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changeset | 60 else if (!strcmp(np, "manuf")) | 
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changeset | 61 manuf = strdup(cp); | 
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changeset | 62 else if (!strcmp(np, "product")) | 
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changeset | 63 product = strdup(cp); | 
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changeset | 64 else if (!strcmp(np, "byte00")) | 
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changeset | 65 byte00 = strtoul(cp, 0, 16); | 
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changeset | 66 else if (!strcmp(np, "byte01")) | 
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changeset | 67 byte01 = strtoul(cp, 0, 16); | 
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changeset | 68 else if (!strcmp(np, "byte08")) | 
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changeset | 69 byte08 = strtoul(cp, 0, 16); | 
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changeset | 70 else if (!strcmp(np, "byte0A")) | 
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changeset | 71 byte0A = strtoul(cp, 0, 16); | 
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changeset | 72 else if (!strcmp(np, "maxpower")) | 
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changeset | 73 maxpower = strtoul(cp, 0, 10); | 
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changeset | 74 else if (!strcmp(np, "usbver")) | 
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changeset | 75 usb_version = strtoul(cp, 0, 16); | 
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changeset | 76 else { | 
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changeset | 77 fprintf(stderr, "%s line %d: unknown \"%s\" setting\n", | 
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changeset | 78 filename, lineno, np); | 
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changeset | 79 exit(1); | 
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changeset | 80 } | 
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changeset | 81 } | 
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changeset | 82 fclose(inf); | 
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changeset | 83 if (!manuf) { | 
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changeset | 84 fprintf(stderr, "error: manuf not set in %s\n", filename); | 
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changeset | 85 exit(1); | 
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changeset | 86 } | 
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changeset | 87 if (!product) { | 
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changeset | 88 fprintf(stderr, "error: product not set in %s\n", filename); | 
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changeset | 89 exit(1); | 
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changeset | 90 } | 
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changeset | 91 } | 
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changeset | 92 | 
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changeset | 93 write_string(str) | 
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changeset | 94 char *str; | 
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changeset | 95 { | 
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changeset | 96 unsigned longlen, startptr; | 
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changeset | 97 | 
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changeset | 98 longlen = strlen(str) * 2 + 2; | 
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changeset | 99 startptr = eeprom_string_ptr; | 
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changeset | 100 eeprom[eeprom_string_ptr++] = 0x0300 | longlen; | 
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changeset | 101 while (*str) | 
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changeset | 102 eeprom[eeprom_string_ptr++] = *str++; | 
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changeset | 103 return (longlen << 8) | 0x80 | (startptr << 1); | 
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changeset | 104 } | 
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changeset | 105 | 
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changeset | 106 fill_eeprom(serial) | 
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changeset | 107 char *serial; | 
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changeset | 108 { | 
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changeset | 109 u_char byte09; | 
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changeset | 110 | 
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changeset | 111 if (serial) | 
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changeset | 112 byte0A |= 0x08; | 
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changeset | 113 else | 
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changeset | 114 byte0A &= 0xF7; | 
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changeset | 115 byte09 = maxpower / 2; | 
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changeset | 116 eeprom[0] = (byte01 << 8) | byte00; | 
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changeset | 117 eeprom[1] = vid; | 
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changeset | 118 eeprom[2] = pid; | 
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changeset | 119 eeprom[3] = 0x0500; | 
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changeset | 120 eeprom[4] = (byte09 << 8) | byte08; | 
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changeset | 121 eeprom[5] = byte0A; | 
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changeset | 122 eeprom[6] = usb_version; | 
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changeset | 123 eeprom[7] = write_string(manuf); | 
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changeset | 124 eeprom[8] = write_string(product); | 
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changeset | 125 if (serial) | 
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changeset | 126 eeprom[9] = write_string(serial); | 
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changeset | 127 else | 
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changeset | 128 eeprom[9] = 0; | 
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changeset | 129 eeprom[10] = 0x46; | 
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changeset | 130 } | 
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changeset | 131 | 
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changeset | 132 do_checksum() | 
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changeset | 133 { | 
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changeset | 134 u_short chksum = 0xAAAA; | 
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changeset | 135 unsigned n; | 
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changeset | 136 | 
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changeset | 137 for (n = 0; n < 63; n++) { | 
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changeset | 138 chksum ^= eeprom[n]; | 
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changeset | 139 chksum = (chksum << 1) | (chksum >> 15); | 
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changeset | 140 } | 
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changeset | 141 eeprom[63] = chksum; | 
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changeset | 142 } | 
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changeset | 143 | 
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changeset | 144 emit_output() | 
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changeset | 145 { | 
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changeset | 146 unsigned n, col; | 
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changeset | 147 | 
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changeset | 148 for (n = 0; n < 64; n++) { | 
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changeset | 149 col = n & 7; | 
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changeset | 150 if (col == 0) | 
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changeset | 151 printf("%02X:", n * 2); | 
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changeset | 152 printf(" %04X", eeprom[n]); | 
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changeset | 153 if (col == 7) | 
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changeset | 154 putchar('\n'); | 
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changeset | 155 } | 
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changeset | 156 } | 
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changeset | 157 | 
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changeset | 158 main(argc, argv) | 
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changeset | 159 char **argv; | 
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changeset | 160 { | 
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changeset | 161 if (argc < 2 || argc > 3) { | 
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changeset | 162 fprintf(stderr, "usage: %s config-file [serial-num]\n", | 
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changeset | 163 argv[0]); | 
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changeset | 164 exit(1); | 
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changeset | 165 } | 
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changeset | 166 read_config_file(argv[1]); | 
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changeset | 167 fill_eeprom(argv[2]); | 
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changeset | 168 do_checksum(); | 
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changeset | 169 emit_output(); | 
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changeset | 170 exit(0); | 
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changeset | 171 } | 
