FreeCalypso > hg > freecalypso-sw

annotate loadtools/chainload.c @ 923:10b4bed10192

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gsm-fw/L1: fix for the DSP patch corruption bug The L1 code we got from the LoCosto fw contains a feature for DSP CPU load measurement. This feature is a LoCosto-ism, i.e., not applicable to earlier DBB chips (Calypso) with their respective earlier DSP ROMs. Most of the code dealing with that feature is conditionalized as #if (DSP >= 38), but one spot was missed, and the MCU code was writing into an API word dealing with this feature. In TCS211 this DSP API word happens to be used by the DSP code patch, hence that write was corrupting the patched DSP code.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Mon, 19 Oct 2015 17:13:56 +0000
parents 771d9fda7630
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
42
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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");
42
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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++;
139
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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 }
42
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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 }
53
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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 }
44
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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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114 }