FreeCalypso > hg > freecalypso-tools

annotate ffstools/tiffs-rd/xtr.c @ 1014:961efadd530a default tip

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fc-shell TCH DL handler: add support for CSD modes TCH DL capture mechanism in FC Tourmaline firmware has been extended to support CSD modes in addition to speech - add the necessary support on the host tools side. It needs to be noted that this mechanism in its present state does NOT provide the debug utility value that was sought: as we learned only after the code was implemented, TI's DSP has a misfeature in that the buffer we are reading (a_dd_0[]) is zeroed out when the IDS block is enabled, i.e., we are reading all zeros and not the real DL bits we were after. But since the code has already been written, we are keeping it - perhaps we can do some tests with IDS disabled.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 26 Nov 2024 06:27:43 +0000
parents e7502631a0f9
children
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1 /*
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2 * This C module implements the xtr command.
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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 <sys/file.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <string.h>
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10 #include <strings.h>
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11 #include <unistd.h>
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12 #include "types.h"
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13 #include "struct.h"
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14 #include "globals.h"
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15 #include "pathname.h"
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16
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17 static void
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18 dump_head_chunk(fd, headino)
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19 {
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20 struct inode_info *inf = inode_info[headino];
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21 struct chunkinfo chi;
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22
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23 if (size_head_chunk(inf, &chi))
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24 write(fd, chi.start, chi.len);
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25 }
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26
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27 static void
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28 dump_extra_chunk(inf, opaque)
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29 struct inode_info *inf;
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30 u_long opaque;
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31 {
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32 int fd = (int)opaque;
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33 struct chunkinfo chi;
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34
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35 size_extra_chunk(inf, &chi);
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36 write(fd, chi.start, chi.len);
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37 }
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38
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39 extract_file(relpath, headino)
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40 char *relpath;
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41 {
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42 int fd;
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43
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44 fd = open(relpath, O_WRONLY|O_CREAT|O_TRUNC, 0666);
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45 if (fd < 0) {
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46 perror(relpath);
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47 exit(1);
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48 }
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49 dump_head_chunk(fd, headino);
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50 iterate_seg_file(headino, dump_extra_chunk, (u_long)fd, 0, 0);
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51 close(fd);
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52 }
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53
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54 void
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55 xtr_tree_callback(pathname, ino, depth)
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56 char *pathname;
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57 {
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58 struct inode_info *inf = inode_info[ino];
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59
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60 switch (inf->type) {
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61 case 0xE1:
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62 case 0xF1:
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63 /* skip /.journal; those who need it can cat it */
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64 if (strcmp(pathname, "/.journal"))
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65 extract_file(pathname + 1, ino);
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66 return;
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67 case 0xE2:
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68 case 0xF2:
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69 if (mkdir(pathname + 1, 0777) < 0) {
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70 perror(pathname + 1);
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71 exit(1);
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72 }
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73 return;
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74 case 0xE3:
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75 case 0xF3:
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76 fprintf(stderr,
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77 "symlink at %s ignored: symlink extraction not implemented yet\n",
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78 pathname);
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79 return;
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80 default:
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81 fprintf(stderr,
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82 "BUG: bad inode byte %02X reached xtr_tree_callback()\n",
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83 inf->type);
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84 exit(1);
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85 }
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86 }
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87
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88 cmd_xtr(argc, argv)
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89 char **argv;
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90 {
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91 if (argc != 2) {
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92 fprintf(stderr, "usage: xtr dest-dir\n");
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93 exit(1);
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94 }
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95 read_ffs_image();
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96 find_inode_block();
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97 alloc_inode_table();
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98 find_root_inode();
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99 if (chdir(argv[1]) < 0) {
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100 perror(argv[1]);
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101 exit(1);
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102 }
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103 traverse_visible_tree(xtr_tree_callback);
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104 exit(0);
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105 }