FreeCalypso > hg > freecalypso-tools
annotate loadtools/flerase.c @ 668:cd48bc4c5460
fc-loadtool code: erase command split out into flerase.c
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 08 Mar 2020 00:29:11 +0000 |
parents | loadtools/flmisc.c@4be92bcd1535 |
children | ba9523ca6ed8 |
rev | line source |
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0
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1 /* |
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fc-loadtool code: erase command split out into flerase.c
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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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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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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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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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60 if (get_flash_sector_range(bi, offset, len, &startsec, &endsec) < 0) |
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61 return(-1); |
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62 printf("Erasing %d sector(s)\n", endsec - startsec); |
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63 time(&start_time); |
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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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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); |
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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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75 ss = duration - mm * 60; |
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76 printf("Operation completed in %um%us\n", mm, ss); |
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77 return(0); |
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78 } |