95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
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/*
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Copyright (C) 2016-2019 The University of Notre Dame
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This software is distributed under the GNU General Public License.
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See the file LICENSE for details.
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*/
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#ifndef ISO9660_H
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#define ISO9660_H
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#include "kernel/types.h"
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#pragma pack(1)
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struct iso_9660_directory_entry {
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uint8_t descriptor_length;
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uint8_t extended_sectors;
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uint32_t first_sector_little;
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uint32_t first_sector_big;
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uint32_t length_little;
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uint32_t length_big;
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uint8_t year;
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uint8_t month;
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uint8_t mday;
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uint8_t hour;
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uint8_t minute;
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uint8_t second;
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uint8_t timezone;
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uint8_t flags;
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uint8_t unit_size;
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uint8_t interleave_gap;
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uint16_t volume_sequence_little;
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uint16_t volume_sequence_big;
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uint8_t ident_length;
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char ident[1];
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};
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#define ISO_9660_EXTENT_FLAG_HIDDEN 1
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#define ISO_9660_EXTENT_FLAG_DIRECTORY 2
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struct iso_9660_time {
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char year[4];
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char month[2];
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char mday[2];
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char hour[2];
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char minute[2];
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char second[2];
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char subsec[2];
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char timezone;
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};
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#define ISO_9660_VOLUME_TYPE_BOOT 0
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#define ISO_9660_VOLUME_TYPE_PRIMARY 1
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#define ISO_9660_VOLUME_TYPE_SUPPLEMENTARY 2
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#define ISO_9660_VOLUME_TYPE_PARTITION 3
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#define ISO_9660_VOLUME_TYPE_TERMINATOR 255
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struct iso_9660_volume_descriptor {
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uint8_t type;
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char magic[5];
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char other[2];
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char system[32];
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char volume[32];
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char reserved1[8];
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uint32_t nsectors_little;
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uint32_t nsectors_big;
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char reserved2[32];
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uint16_t volume_set_size_little;
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uint16_t volume_set_size_big;
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uint16_t volume_sequence_number_little;
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uint16_t volume_sequence_number_big;
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uint16_t sector_size_little;
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uint16_t sector_size_big;
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uint32_t path_table_size_little;
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uint32_t path_table_size_big;
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uint32_t first_path_table_start_little;
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uint32_t second_path_table_start_little;
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uint32_t first_path_table_start_big;
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uint32_t second_path_table_start_big;
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struct iso_9660_directory_entry root;
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char volume_set[128];
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char publisher[128];
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char preparer[128];
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char application[128];
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char copyright_file[37];
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char abstract_file[37];
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char bibliography_file[37];
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struct iso_9660_time creation_time;
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struct iso_9660_time modify_time;
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struct iso_9660_time expire_time;
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struct iso_9660_time effective_time;
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char unknown[2];
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};
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#endif
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