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Mon 14 Oct 23:06:38 CEST 2024

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sbosse 2024-10-14 23:06:57 +02:00
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commit 994b2335d5
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kernel/iso9660.h Normal file
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/*
Copyright (C) 2016-2019 The University of Notre Dame
This software is distributed under the GNU General Public License.
See the file LICENSE for details.
*/
#ifndef ISO9660_H
#define ISO9660_H
#include "kernel/types.h"
#pragma pack(1)
struct iso_9660_directory_entry {
uint8_t descriptor_length;
uint8_t extended_sectors;
uint32_t first_sector_little;
uint32_t first_sector_big;
uint32_t length_little;
uint32_t length_big;
uint8_t year;
uint8_t month;
uint8_t mday;
uint8_t hour;
uint8_t minute;
uint8_t second;
uint8_t timezone;
uint8_t flags;
uint8_t unit_size;
uint8_t interleave_gap;
uint16_t volume_sequence_little;
uint16_t volume_sequence_big;
uint8_t ident_length;
char ident[1];
};
#define ISO_9660_EXTENT_FLAG_HIDDEN 1
#define ISO_9660_EXTENT_FLAG_DIRECTORY 2
struct iso_9660_time {
char year[4];
char month[2];
char mday[2];
char hour[2];
char minute[2];
char second[2];
char subsec[2];
char timezone;
};
#define ISO_9660_VOLUME_TYPE_BOOT 0
#define ISO_9660_VOLUME_TYPE_PRIMARY 1
#define ISO_9660_VOLUME_TYPE_SUPPLEMENTARY 2
#define ISO_9660_VOLUME_TYPE_PARTITION 3
#define ISO_9660_VOLUME_TYPE_TERMINATOR 255
struct iso_9660_volume_descriptor {
uint8_t type;
char magic[5];
char other[2];
char system[32];
char volume[32];
char reserved1[8];
uint32_t nsectors_little;
uint32_t nsectors_big;
char reserved2[32];
uint16_t volume_set_size_little;
uint16_t volume_set_size_big;
uint16_t volume_sequence_number_little;
uint16_t volume_sequence_number_big;
uint16_t sector_size_little;
uint16_t sector_size_big;
uint32_t path_table_size_little;
uint32_t path_table_size_big;
uint32_t first_path_table_start_little;
uint32_t second_path_table_start_little;
uint32_t first_path_table_start_big;
uint32_t second_path_table_start_big;
struct iso_9660_directory_entry root;
char volume_set[128];
char publisher[128];
char preparer[128];
char application[128];
char copyright_file[37];
char abstract_file[37];
char bibliography_file[37];
struct iso_9660_time creation_time;
struct iso_9660_time modify_time;
struct iso_9660_time expire_time;
struct iso_9660_time effective_time;
char unknown[2];
};
#endif