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annotate ffstools/tiffs-mkfs/ffsparam.c @ 926:6a0aa8d36d06

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rvinterf backslash escape: introduce libprint The new helper function library named libprint is meant to replace the badly misnamed libg23, and will soon contain functions for printing all of the same kinds of GPF TST packets that are now handled in libg23. However, we are also moving safe_print_trace() from libasync to this new library, and changing it to emit our new backslash escape format.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 23 May 2023 03:47:46 +0000
parents 178ed445021d
children
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rev   line source
705
12ae93940467 tiffs-mkfs program written, compiles
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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
717
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73 preen_journal_size()
705
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74 {
717
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75 if (journal_size)
705
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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 }
717
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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 }