FreeCalypso > hg > freecalypso-tools

annotate loadtools/flutil.c @ 1012:11391cb6bdc0

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patch from fixeria: doc change from SE K2x0 to K2xx Since their discovery in late 2022, Sony Ericsson K200 and K220 phones were collectively referred to as SE K2x0 in FreeCalypso documentation. However, now that SE K205 has been discovered as yet another member of the same family (same PCBA in different case), it makes more sense to refer to the whole family as SE K2xx.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 23 Sep 2024 12:23:20 +0000
parents 135de08c5d74
children
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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 get_flash_sector_table(bi)
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14 struct flash_bank_info *bi;
0
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15 {
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16 struct flash_geom *geom;
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17 struct flash_region_desc *reg;
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18 struct sector_info *sp;
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19 uint32_t offset;
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20 int nr, i;
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21
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22 if (bi->sectors)
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23 return(0);
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24 geom = bi->geom;
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25 sp = (struct sector_info *) malloc(sizeof(struct sector_info)
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26 * (geom->total_sectors + 1));
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27 if (!sp) {
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28 fprintf(stderr,
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29 "unable to malloc buffer for flash sector table\n");
0
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30 return(-1);
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31 }
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32 bi->sectors = sp;
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33 /* now fill it */
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34 offset = 0;
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35 for (nr = 0; nr < geom->nregions; nr++) {
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36 reg = geom->regions + nr;
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37 for (i = 0; i < reg->nsectors; i++) {
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38 sp->start = offset;
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39 sp->size = reg->sector_size;
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40 sp++;
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41 offset += reg->sector_size;
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42 }
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43 }
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44 /* sanity checks */
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45 if (sp - bi->sectors != geom->total_sectors) {
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46 fprintf(stderr,
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47 "BUG in get_flash_sector_table(): wrong # of sectors at the end\n");
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48 abort();
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49 }
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50 if (offset != geom->total_size) {
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51 fprintf(stderr,
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52 "BUG in get_flash_sector_table(): wrong offset at the end\n");
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53 abort();
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54 }
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55 /* finish */
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56 sp->start = 0;
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57 sp->size = 0;
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58 return(0);
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59 }
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60
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61 flashcmd_sectors(argc, argv, bank)
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62 char **argv;
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63 {
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64 struct flash_bank_info *bi;
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65 struct sector_info *sp;
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66
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67 if (argc > 2) {
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68 fprintf(stderr, "error: too many arguments\n");
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69 return(-1);
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70 }
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71 if (flash_detect(bank, 0) < 0)
0
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72 return(-1);
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73 bi = flash_bank_info + bank;
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74 if (get_flash_sector_table(bi) < 0)
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75 return(-1);
0
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76 printf("%u sectors in flash bank %d:\n", bi->geom->total_sectors, bank);
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77 printf("Offset Size\n");
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78 for (sp = bi->sectors; sp->size; sp++)
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79 printf("%08lX %lx\n", (u_long) sp->start, (u_long) sp->size);
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80 return(0);
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81 }
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82
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83 get_flash_sector_range(bi, useroff, userlen, startp, endp)
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84 struct flash_bank_info *bi;
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85 u_long useroff, userlen;
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86 struct sector_info **startp, **endp;
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87 {
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88 struct sector_info *sp;
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89 uint32_t remlen;
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90
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91 for (sp = bi->sectors; sp->size; sp++)
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92 if (sp->start == useroff)
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93 break;
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94 if (!sp->size) {
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95 fprintf(stderr,
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96 "error: specified offset not aligned to a flash sector boundary\n");
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97 return(-1);
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98 }
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99 *startp = sp;
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100 for (remlen = userlen; remlen; ) {
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101 if (remlen < sp->size) {
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102 fprintf(stderr,
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103 "error: specified length not aligned to a flash sector boundary\n");
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104 return(-1);
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105 }
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106 remlen -= sp->size;
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Mychaela Falconia <falcon@freecalypso.org>
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107 sp++;
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108 }
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Mychaela Falconia <falcon@freecalypso.org>
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109 *endp = sp;
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110 return(0);
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111 }