FreeCalypso > hg > freecalypso-tools

annotate loadtools/flutil.c @ 640:5385aca4d813

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fc-loadtool module refactoring: CRC-32 functions split out
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 01 Mar 2020 18:54:29 +0000
parents 0dd2c87c1b63
children ba9523ca6ed8
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Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * Miscellaneous utility functions for flash support
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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 <stdio.h>
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7 #include <stdint.h>
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Mychaela Falconia <falcon@freecalypso.org>
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8 #include <stdlib.h>
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Mychaela Falconia <falcon@freecalypso.org>
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9 #include "flash.h"
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10
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11 extern struct flash_bank_info flash_bank_info[2];
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Mychaela Falconia <falcon@freecalypso.org>
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12
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13 get_flash_sector_table(bank)
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Mychaela Falconia <falcon@freecalypso.org>
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14 {
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15 struct flash_bank_info *bi;
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Mychaela Falconia <falcon@freecalypso.org>
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16 struct flash_geom *geom;
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Mychaela Falconia <falcon@freecalypso.org>
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17 struct flash_region_desc *reg;
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Mychaela Falconia <falcon@freecalypso.org>
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18 struct sector_info *sp;
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Mychaela Falconia <falcon@freecalypso.org>
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19 uint32_t offset;
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Mychaela Falconia <falcon@freecalypso.org>
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20 int nr, i;
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21
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22 bi = flash_bank_info + bank;
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Mychaela Falconia <falcon@freecalypso.org>
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23 if (bi->sectors)
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Mychaela Falconia <falcon@freecalypso.org>
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24 return(0);
506
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents: 505
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25 i = flash_detect(bank, 0);
0
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26 if (i < 0)
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27 return(i);
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Mychaela Falconia <falcon@freecalypso.org>
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28 geom = bi->geom;
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Mychaela Falconia <falcon@freecalypso.org>
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29 sp = (struct sector_info *) malloc(sizeof(struct sector_info)
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30 * (geom->total_sectors + 1));
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31 if (!sp) {
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32 fprintf(stderr,
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33 "unable to malloc buffer for flash bank %d sector table\n",
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34 bank);
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35 return(-1);
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36 }
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37 bi->sectors = sp;
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38 /* now fill it */
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39 offset = 0;
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Mychaela Falconia <falcon@freecalypso.org>
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40 for (nr = 0; nr < geom->nregions; nr++) {
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41 reg = geom->regions + nr;
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42 for (i = 0; i < reg->nsectors; i++) {
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43 sp->start = offset;
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44 sp->size = reg->sector_size;
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45 sp++;
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46 offset += reg->sector_size;
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47 }
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48 }
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49 /* sanity checks */
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50 if (sp - bi->sectors != geom->total_sectors) {
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51 fprintf(stderr,
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Mychaela Falconia <falcon@freecalypso.org>
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52 "BUG in get_flash_sector_table(): wrong # of sectors at the end\n");
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53 abort();
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54 }
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55 if (offset != geom->total_size) {
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56 fprintf(stderr,
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57 "BUG in get_flash_sector_table(): wrong offset at the end\n");
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58 abort();
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59 }
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60 /* finish */
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61 sp->start = 0;
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62 sp->size = 0;
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63 return(0);
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64 }
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65
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66 flashcmd_sectors(argc, argv, bank)
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67 char **argv;
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68 {
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69 struct flash_bank_info *bi;
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70 struct sector_info *sp;
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71
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72 if (argc > 2) {
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73 fprintf(stderr, "error: too many arguments\n");
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74 return(-1);
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75 }
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76 if (get_flash_sector_table(bank) < 0)
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77 return(-1);
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78 bi = flash_bank_info + bank;
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Mychaela Falconia <falcon@freecalypso.org>
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79 printf("%u sectors in flash bank %d:\n", bi->geom->total_sectors, bank);
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80 printf("Offset Size\n");
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81 for (sp = bi->sectors; sp->size; sp++)
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82 printf("%08lX %lx\n", (u_long) sp->start, (u_long) sp->size);
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83 return(0);
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84 }
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85
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86 get_flash_sector_range(bi, useroff, userlen, startp, endp)
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87 struct flash_bank_info *bi;
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88 u_long useroff, userlen;
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89 struct sector_info **startp, **endp;
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90 {
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91 struct sector_info *sp;
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92 uint32_t remlen;
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93
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94 for (sp = bi->sectors; sp->size; sp++)
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95 if (sp->start == useroff)
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96 break;
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97 if (!sp->size) {
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98 fprintf(stderr,
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99 "error: specified offset not aligned to a flash sector boundary\n");
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100 return(-1);
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Mychaela Falconia <falcon@freecalypso.org>
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101 }
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102 *startp = sp;
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Mychaela Falconia <falcon@freecalypso.org>
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103 for (remlen = userlen; remlen; ) {
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Mychaela Falconia <falcon@freecalypso.org>
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104 if (remlen < sp->size) {
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Mychaela Falconia <falcon@freecalypso.org>
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105 fprintf(stderr,
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Mychaela Falconia <falcon@freecalypso.org>
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106 "error: specified length not aligned to a flash sector boundary\n");
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Mychaela Falconia <falcon@freecalypso.org>
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107 return(-1);
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Mychaela Falconia <falcon@freecalypso.org>
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108 }
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Mychaela Falconia <falcon@freecalypso.org>
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109 remlen -= sp->size;
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Mychaela Falconia <falcon@freecalypso.org>
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110 sp++;
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Mychaela Falconia <falcon@freecalypso.org>
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111 }
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Mychaela Falconia <falcon@freecalypso.org>
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112 *endp = sp;
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113 return(0);
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Mychaela Falconia <falcon@freecalypso.org>
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114 }
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115
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Mychaela Falconia <falcon@freecalypso.org>
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116 build_flashw_hex_string(bin, strbuf, nwords, m0src)
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Mychaela Falconia <falcon@freecalypso.org>
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117 u_char *bin;
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118 char *strbuf;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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119 int nwords, m0src;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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120 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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121 int i;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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122 u_char *dp;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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123 char *s;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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124
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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125 for (dp = bin, s = strbuf, i = 0; i < nwords; dp += 2, s += 4, i++) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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126 if (m0src)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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127 sprintf(s, "%02X%02X", dp[0], dp[1]);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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128 else
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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129 sprintf(s, "%02X%02X", dp[1], dp[0]);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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130 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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131 *s = '\0';
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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132 }