FreeCalypso > hg > freecalypso-tools

annotate loadtools/flerase.c @ 668:cd48bc4c5460

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fc-loadtool code: erase command split out into flerase.c
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 08 Mar 2020 00:29:11 +0000
parents loadtools/flmisc.c@4be92bcd1535
children ba9523ca6ed8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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1 /*
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cd48bc4c5460 fc-loadtool code: erase command split out into flerase.c
Mychaela Falconia <falcon@freecalypso.org>
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2 * Flash erase operations are implemented here
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3 */
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4
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5 #include <sys/types.h>
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Mychaela Falconia <falcon@freecalypso.org>
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6 #include <stdio.h>
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7 #include <stdint.h>
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8 #include <string.h>
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9 #include <strings.h>
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10 #include <stdlib.h>
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11 #include <time.h>
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12 #include "flash.h"
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13
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14 extern struct flash_bank_info flash_bank_info[2];
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15
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16 flashcmd_erase(argc, argv, bank)
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17 char **argv;
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18 {
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19 struct flash_bank_info *bi;
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20 u_long offset, len;
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21 char *strtoul_endp;
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22 struct sector_info *startsec, *endsec, *sp;
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23 int stat;
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24 time_t start_time, finish_time;
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25 unsigned duration, mm, ss;
0
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26
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27 if (argc != 4) {
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28 inv: fprintf(stderr, "usage: %s %s hex-start-offset hex-length\n",
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29 argv[0], argv[1]);
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30 return(-1);
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31 }
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32 offset = strtoul(argv[2], &strtoul_endp, 16);
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33 if (*strtoul_endp)
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34 goto inv;
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35 if (flash_detect(bank, 0) < 0)
0
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36 return(-1);
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37 bi = flash_bank_info + bank;
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38 if (offset >= bi->geom->total_size) {
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39 fprintf(stderr,
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40 "error: specified offset exceeds flash bank size (0x%lx)\n",
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Mychaela Falconia <falcon@freecalypso.org>
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41 (u_long) bi->geom->total_size);
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42 return(-1);
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43 }
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44 len = strtoul(argv[3], &strtoul_endp, 16);
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45 if (*strtoul_endp)
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46 goto inv;
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47 if (len > bi->geom->total_size - offset) {
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48 fprintf(stderr,
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49 "error: specified offset+length exceed flash bank size (0x%lx)\n",
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Mychaela Falconia <falcon@freecalypso.org>
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50 (u_long) bi->geom->total_size);
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51 return(-1);
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52 }
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53 if (!len) {
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54 printf("Zero length specified - nothing to do!\n");
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55 return(0);
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56 }
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57 /* now enforce sector alignment for both offset and length */
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58 if (get_flash_sector_table(bank) < 0)
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59 return(-1);
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parents:
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60 if (get_flash_sector_range(bi, offset, len, &startsec, &endsec) < 0)
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parents:
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61 return(-1);
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Mychaela Falconia <falcon@freecalypso.org>
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62 printf("Erasing %d sector(s)\n", endsec - startsec);
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63 time(&start_time);
0
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parents:
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64 for (sp = startsec; sp < endsec; sp++) {
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65 stat = bi->ops->erase_sector(bi, sp);
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parents:
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66 if (stat)
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67 return(stat);
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68 putchar('.');
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69 fflush(stdout);
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70 }
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71 time(&finish_time);
0
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72 putchar('\n');
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73 duration = finish_time - start_time;
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74 mm = duration / 60;
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Mychaela Falconia <falcon@freecalypso.org>
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75 ss = duration - mm * 60;
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76 printf("Operation completed in %um%us\n", mm, ss);
0
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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77 return(0);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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78 }