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annotate ffstools/tiffs-mkfs/struct.h @ 982:1c5b485f10ba

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fc-loadtool flash: do AMD reset after PL-J PPB write operations
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 02 Dec 2023 06:04:37 +0000
parents 178ed445021d
children
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12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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1 /* some general limits */
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Mychaela Falconia <falcon@freecalypso.org>
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2 #define MAX_FN_COMPONENT 20
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3 #define MAX_DIR_NEST 6
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4 #define MAX_DIR_ENTRIES 128
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5
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Mychaela Falconia <falcon@freecalypso.org>
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6 /* tree of content to be written */
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Mychaela Falconia <falcon@freecalypso.org>
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7 struct tree_object {
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Mychaela Falconia <falcon@freecalypso.org>
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8 char name[MAX_FN_COMPONENT+1];
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Mychaela Falconia <falcon@freecalypso.org>
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9 int is_dir;
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Mychaela Falconia <falcon@freecalypso.org>
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10 union {
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11 struct {
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Mychaela Falconia <falcon@freecalypso.org>
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12 struct tree_object *children[MAX_DIR_ENTRIES];
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Mychaela Falconia <falcon@freecalypso.org>
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13 unsigned nchildren;
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Mychaela Falconia <falcon@freecalypso.org>
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14 uint16_t *ffs_link_ptr;
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15 } d;
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16 struct {
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17 char host_pathname[MAXPATHLEN];
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Mychaela Falconia <falcon@freecalypso.org>
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18 } f;
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19 } u;
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20 };
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21
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Mychaela Falconia <falcon@freecalypso.org>
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22 /* actual TIFFS on-media structure */
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Mychaela Falconia <falcon@freecalypso.org>
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23 struct tiffs_inode {
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Mychaela Falconia <falcon@freecalypso.org>
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24 uint16_t size;
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25 uint8_t reserved1;
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26 uint8_t type;
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27 uint16_t child;
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28 uint16_t sibling;
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29 uint32_t location;
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30 uint16_t sequence;
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31 uint16_t updates;
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32 };
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33
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34 /* TIFFS object types */
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35 #define OBJTYPE_FILE 0xF1
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178ed445021d tiffs-mkfs: journal creation implemented
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36 #define OBJTYPE_FILE_RO 0xE1
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37 #define OBJTYPE_DIR 0xF2
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38 #define OBJTYPE_SYMLINK 0xF3
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39 #define OBJTYPE_SEGMENT 0xF4