FreeCalypso > hg > freecalypso-tools

annotate loadtools/chainload.c @ 656:9f5a3e9e6294

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fc-xram: implemented CRC-32 verification
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 03 Mar 2020 00:08:27 +0000
parents 6bb41b4d39ed
children 51bcfb251b23
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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 <time.h>
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12 #include "../libserial/baudrate.h"
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13 #include "discontig.h"
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14 #include "srecreader.h"
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15
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16 extern int target_fd;
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17
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18 struct srecreader xramimage;
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19
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20 extern struct baudrate *current_baud_rate;
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21 extern struct baudrate *xram_run_baudrate;
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22 extern int xram_jtag_mode;
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23 extern uint32_t crc32_table[];
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24
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25 perform_chain_load()
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26 {
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27 int rc, reclen, too_many_regions;
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28 unsigned long rec_count;
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29 struct discontig_prog regions[MAX_SREC_REGIONS], *regp;
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30 unsigned regcount, reg;
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31 char *argv[3], jumparg[10];
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32 u_char scratch[3], expect_conf[3];
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33 time_t start_time, finish_time;
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34 unsigned duration, mm, ss;
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35 u_long crc_from_target;
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36 int i, c;
0
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37
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38 if (open_srec_file(&xramimage) < 0)
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39 exit(1);
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40 /* enter binary RAM download mode */
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41 argv[0] = "BINML";
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42 argv[1] = 0;
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43 tpinterf_make_cmd(argv);
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44 if (tpinterf_send_cmd())
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45 exit(1);
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46 /* read and send S-record image */
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47 expect_conf[0] = 0x06;
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48 regp = regions;
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49 regcount = 0;
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50 too_many_regions = 0;
0
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51 for (rec_count = 0; ; ) {
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52 if (read_s_record(&xramimage) < 0)
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53 exit(1);
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54 switch (xramimage.record_type) {
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55 case '0':
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56 if (xramimage.lineno == 1)
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57 continue;
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58 fprintf(stderr,
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59 "%s: S0 record found in line %d (expected in line 1 only)\n",
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60 xramimage.filename, xramimage.lineno);
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61 exit(1);
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62 case '3':
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63 case '7':
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64 if (s3s7_get_addr_data(&xramimage) < 0)
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65 exit(1);
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66 break;
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67 default:
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68 fprintf(stderr,
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69 "%s line %d: S%c record type not supported\n",
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70 xramimage.filename, xramimage.lineno,
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71 xramimage.record_type);
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72 exit(1);
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73 }
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74 if (xramimage.record_type == '7')
0
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75 break;
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76 /* must be S3 */
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77 if (xramimage.datalen < 1) {
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78 fprintf(stderr,
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79 "%s line %d: S3 record has zero data length\n",
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80 xramimage.filename, xramimage.lineno);
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81 exit(1);
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82 }
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83 if (!rec_count) {
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84 printf("Each \'.\' is %d S-records\n",
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85 current_baud_rate->xram_records);
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86 time(&start_time);
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87 }
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88 reclen = xramimage.datalen + 6;
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89 if (write(target_fd, xramimage.record, reclen) != reclen) {
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90 perror("binary write to target");
0
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91 exit(1);
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92 }
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93 rec_count++;
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94 /* discontiguous regions and CRC-32 accumulation */
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95 if (!regcount) {
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96 regp->start = xramimage.addr;
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97 regp->end = xramimage.addr;
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98 regp->crc = 0xFFFFFFFF;
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99 regcount = 1;
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100 }
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101 if (xramimage.addr != regp->end) {
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102 if (regcount >= MAX_SREC_REGIONS)
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103 too_many_regions = 1;
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104 else {
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105 regp++;
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106 regcount++;
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107 regp->start = xramimage.addr;
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108 regp->end = xramimage.addr;
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109 regp->crc = 0xFFFFFFFF;
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110 }
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111 }
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112 if (!too_many_regions) {
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113 for (i = 0; i < xramimage.datalen; i++) {
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114 c = xramimage.record[i+5];
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115 regp->crc = crc32_table[regp->crc & 0xFF ^ c]
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116 ^ (regp->crc >> 8);
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117 }
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118 regp->end += xramimage.datalen;
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119 }
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120 /* target sync and progress indication */
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parents: 650
diff changeset
121 if (rec_count % current_baud_rate->xram_records == 0) {
650
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
122 scratch[0] = 0x05; /* ENQ */
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
123 write(target_fd, scratch, 1);
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
124 if (collect_binblock_from_target(scratch, 3, 1))
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
125 exit(1);
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
126 expect_conf[1] = rec_count >> 8;
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
127 expect_conf[2] = rec_count;
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
128 if (bcmp(scratch, expect_conf, 3)) {
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
129 fprintf(stderr,
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
130 "error: expected sync mismatch\n");
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
131 exit(1);
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
132 }
0
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 putchar('.');
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 fflush(stdout);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 /* got S7 */
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 fclose(xramimage.openfile);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 if (!rec_count) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 fprintf(stderr,
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 "%s line %d: S7 without any preceding S3 data records\n",
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 xramimage.filename, xramimage.lineno);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 exit(1);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 }
535
88962b111edc fc-xram: print a newline after the dots
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
145 putchar('\n'); /* newline after the dots */
650
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
146 scratch[0] = 0x04; /* EOT */
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
147 write(target_fd, scratch, 1);
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
148 if (collect_binblock_from_target(scratch, 1, 1))
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
149 exit(1);
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
150 time(&finish_time);
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
151 if (scratch[0] != '=') {
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
152 fprintf(stderr, "error: \'=\' not received as expected\n");
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
153 exit(1);
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
154 }
614
02bdb2f366bc fc-xram: added transfer time reporting
Mychaela Falconia <falcon@freecalypso.org>
parents: 536
diff changeset
155 duration = finish_time - start_time;
02bdb2f366bc fc-xram: added transfer time reporting
Mychaela Falconia <falcon@freecalypso.org>
parents: 536
diff changeset
156 mm = duration / 60;
02bdb2f366bc fc-xram: added transfer time reporting
Mychaela Falconia <falcon@freecalypso.org>
parents: 536
diff changeset
157 ss = duration - mm * 60;
02bdb2f366bc fc-xram: added transfer time reporting
Mychaela Falconia <falcon@freecalypso.org>
parents: 536
diff changeset
158 printf("XRAM image transferred in %um%us\n", mm, ss);
656
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
159 printf("Verifying CRC-32 of %u downloaded region(s)\n", regcount);
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
160 for (reg = 0, regp = regions; reg < regcount; reg++, regp++) {
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
161 rc = crc32_on_target((u_long) regp->start,
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
162 (u_long) (regp->end - regp->start),
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
163 &crc_from_target);
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
164 if (rc < 0)
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
165 exit(1);
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
166 if (crc_from_target != regp->crc) {
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
167 fprintf(stderr, "error: CRC mismatch!\n");
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
168 exit(1);
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
169 }
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
170 putchar('.');
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
171 fflush(stdout);
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
172 }
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
173 putchar('\n');
0
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 if (xram_run_baudrate != current_baud_rate) {
656
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
175 rc = loadagent_switch_baud(xram_run_baudrate);
9f5a3e9e6294 fc-xram: implemented CRC-32 verification
Mychaela Falconia <falcon@freecalypso.org>
parents: 651
diff changeset
176 if (rc)
0
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 exit(1);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 }
536
dc05170ab113 fc-xram JTAG mode (-j) implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 535
diff changeset
179 if (xram_jtag_mode) {
dc05170ab113 fc-xram JTAG mode (-j) implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 535
diff changeset
180 printf(
dc05170ab113 fc-xram JTAG mode (-j) implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 535
diff changeset
181 "Leaving target in loadagent for JTAG; image start address is 0x%08lX\n",
dc05170ab113 fc-xram JTAG mode (-j) implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 535
diff changeset
182 (u_long) xramimage.addr);
dc05170ab113 fc-xram JTAG mode (-j) implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 535
diff changeset
183 exit(0);
dc05170ab113 fc-xram JTAG mode (-j) implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 535
diff changeset
184 }
0
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 printf("Sending jump command\n");
650
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
186 sprintf(jumparg, "%lX", (u_long) xramimage.addr);
0
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 argv[0] = "jump";
650
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
188 argv[1] = jumparg;
bf840c984113 fc-xram reworked to use the new binary protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 614
diff changeset
189 argv[2] = 0;
0
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 tpinterf_make_cmd(argv);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 if (tpinterf_send_cmd())
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 exit(1);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 printf("Sent \"%s %s\": XRAM image should now be running!\n",
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 argv[0], argv[1]);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 return(0);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 }