FreeCalypso > hg > freecalypso-sw
annotate loadtools/flutil.c @ 126:811b138f1bed
rvtdump utility written, compiles
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Thu, 31 Oct 2013 19:59:16 +0000 |
parents | 336f5cc96810 |
children | 96f56e875862 |
rev | line source |
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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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8 #include <stdlib.h> |
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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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12 |
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13 compute_flash_totsize_nsecs(bank) |
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14 { |
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15 struct flash_bank_info *bi; |
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16 struct flash_region_desc *reg; |
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17 |
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18 bi = flash_bank_info + bank; |
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19 for (reg = bi->bank_desc->regions; reg->nsectors; reg++) { |
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20 bi->nsectors += reg->nsectors; |
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21 bi->total_size += reg->sector_size * reg->nsectors; |
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22 } |
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23 } |
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24 |
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25 /* the following function is used to verify that total_size is a power of 2 */ |
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26 count_ones(word) |
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27 uint32_t word; |
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28 { |
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29 int count; |
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30 |
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31 for (count = 0; word; word >>= 1) |
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32 count += word & 1; |
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33 return count; |
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34 } |
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35 |
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36 get_flash_sector_table(bank) |
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37 { |
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38 struct flash_bank_info *bi; |
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39 struct flash_region_desc *reg; |
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40 struct sector_info *sp; |
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41 uint32_t offset; |
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42 int i; |
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43 |
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44 bi = flash_bank_info + bank; |
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45 if (bi->sectors) |
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46 return(0); |
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47 sp = (struct sector_info *) malloc(sizeof(struct sector_info) |
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48 * (bi->nsectors + 1)); |
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49 if (!sp) { |
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50 fprintf(stderr, |
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51 "unable to malloc buffer for flash bank %d sector table\n", |
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52 bank); |
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53 return(-1); |
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54 } |
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55 bi->sectors = sp; |
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56 /* now fill it */ |
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57 offset = 0; |
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58 for (reg = bi->bank_desc->regions; reg->nsectors; reg++) { |
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59 for (i = 0; i < reg->nsectors; i++) { |
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60 sp->start = offset; |
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61 sp->size = reg->sector_size; |
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62 sp++; |
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63 offset += reg->sector_size; |
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64 } |
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65 } |
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66 /* sanity checks */ |
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67 if (sp - bi->sectors != bi->nsectors) { |
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68 fprintf(stderr, |
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69 "BUG in get_flash_sector_table(): wrong # of sectors at the end\n"); |
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70 abort(); |
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71 } |
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72 if (offset != bi->total_size) { |
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73 fprintf(stderr, |
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74 "BUG in get_flash_sector_table(): wrong offset at the end\n"); |
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75 abort(); |
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76 } |
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77 /* finish */ |
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78 sp->start = 0; |
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79 sp->size = 0; |
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80 return(0); |
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81 } |
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82 |
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83 flashcmd_sectors(argc, argv, bank) |
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84 char **argv; |
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85 { |
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86 struct flash_bank_info *bi; |
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87 struct sector_info *sp; |
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88 |
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89 if (argc > 2) { |
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90 fprintf(stderr, "error: too many arguments\n"); |
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91 return(-1); |
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92 } |
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93 if (get_flash_sector_table(bank) < 0) |
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94 return(-1); |
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95 bi = flash_bank_info + bank; |
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96 printf("%u sectors in flash bank %d:\n", bi->nsectors, bank); |
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97 printf("Offset Size\n"); |
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98 for (sp = bi->sectors; sp->size; sp++) |
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99 printf("%08lX %lx\n", (u_long) sp->start, (u_long) sp->size); |
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100 return(0); |
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101 } |
62
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102 |
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103 get_flash_sector_range(bi, useroff, userlen, startp, endp) |
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104 struct flash_bank_info *bi; |
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105 u_long useroff, userlen; |
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106 struct sector_info **startp, **endp; |
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107 { |
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108 struct sector_info *sp; |
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109 uint32_t remlen; |
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110 |
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111 for (sp = bi->sectors; sp->size; sp++) |
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112 if (sp->start == useroff) |
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113 break; |
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114 if (!sp->size) { |
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115 fprintf(stderr, |
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116 "error: specified offset not aligned to a flash sector boundary\n"); |
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117 return(-1); |
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118 } |
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119 *startp = sp; |
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120 for (remlen = userlen; remlen; ) { |
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121 if (remlen < sp->size) { |
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122 fprintf(stderr, |
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123 "error: specified length not aligned to a flash sector boundary\n"); |
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124 return(-1); |
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125 } |
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126 remlen -= sp->size; |
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127 sp++; |
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128 } |
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129 *endp = sp; |
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130 return(0); |
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131 } |
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132 |
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133 build_flashw_hex_string(bin, strbuf, nwords, m0src) |
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134 u_char *bin; |
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135 char *strbuf; |
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136 int nwords, m0src; |
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137 { |
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138 int i; |
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139 u_char *dp; |
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140 char *s; |
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141 |
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142 for (dp = bin, s = strbuf, i = 0; i < nwords; dp += 2, s += 4, i++) { |
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143 if (m0src) { |
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144 sprintf(s, "%02X", dp[0]); |
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145 sprintf(s + 2, "%02X", dp[1]); |
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146 } else { |
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147 sprintf(s, "%02X", dp[1]); |
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148 sprintf(s + 2, "%02X", dp[0]); |
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149 } |
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150 } |
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151 *s = '\0'; |
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152 } |