FreeCalypso > hg > freecalypso-tools
annotate ffstools/tiffs-mkfs/ffsparam.c @ 763:4eaad91f4d68
CHANGES: document rvinterf -b PID addition
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 02 Dec 2020 20:32:02 +0000 |
parents | 178ed445021d |
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1 #include <sys/types.h> |
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2 #include <sys/param.h> |
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3 #include <ctype.h> |
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4 #include <stdio.h> |
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5 #include <stdint.h> |
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6 #include <stdlib.h> |
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7 #include <string.h> |
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8 #include <strings.h> |
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9 #include "struct.h" |
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10 #include "globals.h" |
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11 |
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12 void |
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13 parse_org_arg(arg) |
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14 char *arg; |
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15 { |
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16 char *cp; |
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17 |
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18 cp = index(arg, 'x'); |
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19 if (!cp || !isdigit(cp[1]) || !isdigit(arg[0])) { |
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20 fprintf(stderr, |
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21 "error: TIFFS organization argument \"%s\" is invalid\n", arg); |
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22 exit(1); |
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23 } |
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24 *cp++ = '\0'; |
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25 if (!strcmp(arg, "8")) |
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26 ffs_sector_size = 0x2000; |
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27 else if (!strcmp(arg, "16")) |
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28 ffs_sector_size = 0x4000; |
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29 else if (!strcmp(arg, "32")) |
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30 ffs_sector_size = 0x8000; |
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31 else if (!strcmp(arg, "64")) |
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32 ffs_sector_size = 0x10000; |
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33 else if (!strcmp(arg, "128")) |
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34 ffs_sector_size = 0x20000; |
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35 else if (!strcmp(arg, "256")) |
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36 ffs_sector_size = 0x40000; |
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37 else { |
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38 fprintf(stderr, |
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39 "error: \"%s\" is not a recognized flash sector size\n", |
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40 arg); |
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41 exit(1); |
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42 } |
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43 ffs_nsectors = atoi(cp); |
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44 if (ffs_nsectors < 3 || ffs_nsectors > 128) { |
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45 fprintf(stderr, |
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46 "error: \"%s\" is not a reasonable number of FFS sectors\n", |
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47 cp); |
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48 exit(1); |
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49 } |
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50 } |
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51 |
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52 void |
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53 preen_chunk_size_max() |
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54 { |
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55 if (chunk_size_max) { |
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56 if (chunk_size_max > ffs_sector_size / 2) { |
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57 fprintf(stderr, |
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58 "error: max chunk size specified with -c is too large\n"); |
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59 exit(1); |
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60 } |
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61 return; |
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62 } |
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63 /* default matching TI's code */ |
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64 if (ffs_sector_size * ffs_nsectors > 1024*1024) |
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65 chunk_size_max = 8192; |
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66 else if (ffs_sector_size / 8 < 2048) |
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67 chunk_size_max = ffs_sector_size / 8; |
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68 else |
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69 chunk_size_max = 2048; |
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70 } |
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71 |
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72 void |
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73 preen_journal_size() |
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74 { |
717
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75 if (journal_size) |
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76 return; |
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77 /* default matching TI's code */ |
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78 journal_size = ffs_sector_size >> 4; |
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79 if (journal_size < 1024) |
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80 journal_size = 1024; |
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81 } |
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82 |
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83 void |
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84 preen_block_files_max() |
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85 { |
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86 unsigned local_journal_size; |
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87 |
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88 if (block_files_max) |
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89 return; |
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90 /* default matching TI's code */ |
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91 local_journal_size = ffs_sector_size >> 4; |
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92 if (local_journal_size < 1024) |
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93 local_journal_size = 1024; |
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94 block_files_max = (local_journal_size >> 4) - 6; |
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95 } |