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annotate loadtools/ltdump.c @ 55:278052b6afda

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loadtools: started laying the foundation for flash support
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 23 Jun 2013 20:13:59 +0000
parents 65111e6eee9e
children 1f035187e98f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * This module implements the dump2bin and dump2srec functionality
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3 * of fc-loadtool.
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4 */
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5
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6 #include <sys/types.h>
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
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7 #include <stdio.h>
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8 #include <stdint.h>
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9 #include <string.h>
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10 #include <strings.h>
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11 #include <stdlib.h>
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12
36
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13 extern uint32_t crc32_table[];
35
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14 extern char target_response_line[];
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15
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16 crc32_on_target(area_base, area_len, retptr)
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17 u_long area_base, area_len, *retptr;
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18 {
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19 char arg1[10], arg2[10], *argv[4];
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20 int stat;
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21 char *strtoul_endp;
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22
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23 sprintf(arg1, "%lx", area_base);
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24 sprintf(arg2, "%lx", area_len);
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25 argv[0] = "crc32";
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26 argv[1] = arg1;
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27 argv[2] = arg2;
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28 argv[3] = 0;
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29 tpinterf_make_cmd(argv);
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30 if (tpinterf_send_cmd() < 0)
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31 return(-1);
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32 stat = tpinterf_capture_output_oneline(10); /* 10 s timeout */
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33 if (stat != 1) {
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34 errout: fprintf(stderr, "error: malformed response to crc32 command\n");
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35 return(-1);
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36 }
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37 if (strlen(target_response_line) != 8)
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38 goto errout;
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39 *retptr = strtoul(target_response_line, &strtoul_endp, 16);
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40 if (strtoul_endp != target_response_line + 8)
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41 goto errout;
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42 return(0);
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43 }
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44
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45 cmd_crc32(argc, argv)
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46 char **argv;
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47 {
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48 u_long area_base, area_len;
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49 char *strtoul_endp;
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50 u_long crc_result;
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51 int stat;
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52
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53 area_base = strtoul(argv[1], &strtoul_endp, 16);
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54 if (*strtoul_endp) {
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55 inv: fprintf(stderr, "usage: crc32 hex-start hex-len\n");
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56 return(-1);
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57 }
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58 area_len = strtoul(argv[2], &strtoul_endp, 16);
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59 if (*strtoul_endp)
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60 goto inv;
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61 stat = crc32_on_target(area_base, area_len, &crc_result);
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62 if (stat == 0)
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63 printf("%08lX\n", crc_result);
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64 return(stat);
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65 }
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66
36
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67 /* the actual dump facility */
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68
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69 static FILE *dump_outfile;
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70 static int dump_save_srec;
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71 static uint32_t dump_nextaddr, dump_crcaccum;
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72 static u_char dump_binrec[0x86];
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73
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74 static
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75 dump_receiver(line)
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76 char *line;
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77 {
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78 int i, b;
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79 u_char sr_cksum;
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80 uint32_t addr_from_srec;
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81
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82 if (strncmp(line, "S385", 4)) {
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83 fprintf(stderr,
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84 "error: target response is not the expected S385...\n");
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85 return(-1);
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86 }
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87 for (i = 0; i < 0x86; i++) {
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88 b = decode_hex_byte(line + i*2 + 2);
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89 if (b < 0) {
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90 fprintf(stderr,
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91 "data from target: S-record hex decode error\n");
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92 return(-1);
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93 }
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94 dump_binrec[i] = b;
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95 }
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96 sr_cksum = 0;
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97 for (i = 0; i < 0x86; i++)
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98 sr_cksum += dump_binrec[i];
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99 if (sr_cksum != 0xFF) {
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100 fprintf(stderr, "data from target: bad S-record checksum\n");
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101 return(-1);
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102 }
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103 /* basic S-record format OK; now verify the address */
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104 addr_from_srec = ((uint32_t) dump_binrec[1] << 24) |
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105 ((uint32_t) dump_binrec[2] << 16) |
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106 ((uint32_t) dump_binrec[3] << 8) |
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107 (uint32_t) dump_binrec[4];
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108 if (addr_from_srec != dump_nextaddr) {
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109 fprintf(stderr,
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110 "error: S3 record from target has the wrong address\n");
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111 return(-1);
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112 }
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113 /* all checks passed - save it */
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114 if (dump_save_srec)
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115 fprintf(dump_outfile, "%s\n", line);
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116 else
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117 fwrite(dump_binrec + 5, 1, 0x80, dump_outfile);
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118 /* update running CRC */
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119 for (i = 0; i < 0x80; i++)
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120 dump_crcaccum = crc32_table[dump_crcaccum & 0xFF ^
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121 dump_binrec[i+5]] ^
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122 (dump_crcaccum >> 8);
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123 /* progress indication */
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124 putchar('.');
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125 fflush(stdout);
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126 dump_nextaddr += 0x80;
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127 return(1);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
128 }
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
129
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
130 loadtool_memdump(start_addr, area_len, filename, fmt_srec)
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
131 u_long start_addr, area_len;
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
132 char *filename;
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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parents: 35
diff changeset
133 {
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
134 u_long target_crc_init, target_crc_fin;
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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parents: 35
diff changeset
135 char *target_argv[4], target_arg1[10], target_arg2[10];
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
136 int stat;
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
137
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
138 if (start_addr & 0x7F || area_len & 0x7F) {
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
139 fprintf(stderr,
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
140 "error: implementation limit: 128-byte alignment required\n");
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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parents: 35
diff changeset
141 return(-1);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
142 }
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diff changeset
143 printf("Requesting initial CRC-32 of the area from target...\n");
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
144 stat = crc32_on_target(start_addr, area_len, &target_crc_init);
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parents: 35
diff changeset
145 if (stat)
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
146 return(stat);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
147 printf("got %08lX\n", target_crc_init);
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diff changeset
148 dump_outfile = fopen(filename, "w");
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diff changeset
149 if (!dump_outfile) {
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diff changeset
150 perror(filename);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
151 return(-1);
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diff changeset
152 }
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diff changeset
153 dump_save_srec = fmt_srec;
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diff changeset
154 dump_nextaddr = start_addr;
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diff changeset
155 dump_crcaccum = 0xFFFFFFFF;
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diff changeset
156
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diff changeset
157 printf("Requesting memory dump...\n");
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diff changeset
158 sprintf(target_arg1, "%lx", start_addr);
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diff changeset
159 sprintf(target_arg2, "%lx", area_len);
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diff changeset
160 target_argv[0] = "DUMP";
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diff changeset
161 target_argv[1] = target_arg1;
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diff changeset
162 target_argv[2] = target_arg2;
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diff changeset
163 target_argv[3] = 0;
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diff changeset
164 tpinterf_make_cmd(target_argv);
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diff changeset
165 stat = tpinterf_send_cmd();
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diff changeset
166 if (stat < 0) {
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diff changeset
167 fclose(dump_outfile);
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diff changeset
168 return(stat);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
169 }
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diff changeset
170 stat = tpinterf_capture_output(2, dump_receiver);
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diff changeset
171 fclose(dump_outfile);
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diff changeset
172 if (stat < 0)
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
173 return(stat);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
174 putchar('\n'); /* after lots of dots */
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diff changeset
175
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diff changeset
176 /* sanity checks */
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diff changeset
177 if (dump_nextaddr != start_addr + area_len) {
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diff changeset
178 fprintf(stderr,
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
179 "error: received dump length does not match expected\n");
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
180 return(-1);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
181 }
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
182 if (dump_crcaccum != (uint32_t) target_crc_init) {
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
183 fprintf(stderr, "error: CRC mismatch (computed %lX)\n",
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
184 (u_long) dump_crcaccum);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
185 return(-1);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
186 }
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diff changeset
187 printf("Requesting another CRC-32 of the area from target...\n");
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
188 stat = crc32_on_target(start_addr, area_len, &target_crc_fin);
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diff changeset
189 if (stat)
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
190 return(stat);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
191 if (target_crc_fin == target_crc_init) {
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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parents: 35
diff changeset
192 printf("match, dump successful\n");
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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parents: 35
diff changeset
193 return(0);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
194 } else {
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
195 fprintf(stderr, "mismatch: got %lX this time\n",
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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parents: 35
diff changeset
196 target_crc_fin);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
197 return(-1);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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diff changeset
198 }
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
199 }
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
200
35
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
201 cmd_dump2bin(argc, argv)
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
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parents:
diff changeset
202 char **argv;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
203 {
36
65111e6eee9e loadtool: dump2bin and dump2srec implemented
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parents: 35
diff changeset
204 u_long area_base, area_len;
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
205 char *strtoul_endp;
35
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
206
36
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
207 area_base = strtoul(argv[1], &strtoul_endp, 16);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
208 if (*strtoul_endp) {
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
209 inv: fprintf(stderr, "usage: dump2bin hex-start hex-len outfile\n");
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
210 return(-1);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
211 }
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
212 area_len = strtoul(argv[2], &strtoul_endp, 16);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
213 if (*strtoul_endp)
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
214 goto inv;
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
215 return loadtool_memdump(area_base, area_len, argv[3], 0);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
216 }
35
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
217
36
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
218 cmd_dump2srec(argc, argv)
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
219 char **argv;
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
220 {
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
221 u_long area_base, area_len;
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
222 char *strtoul_endp;
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
223
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
224 area_base = strtoul(argv[1], &strtoul_endp, 16);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
225 if (*strtoul_endp) {
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
226 inv: fprintf(stderr, "usage: dump2srec hex-start hex-len outfile\n");
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
227 return(-1);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
228 }
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
229 area_len = strtoul(argv[2], &strtoul_endp, 16);
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
230 if (*strtoul_endp)
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
231 goto inv;
65111e6eee9e loadtool: dump2bin and dump2srec implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
232 return loadtool_memdump(area_base, area_len, argv[3], 1);
35
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
233 }