From 994b2335d5dea7c5cf040126c8e2f6633c6fdd86 Mon Sep 17 00:00:00 2001 From: sbosse Date: Mon, 14 Oct 2024 23:06:57 +0200 Subject: [PATCH] Mon 14 Oct 23:06:38 CEST 2024 --- kernel/iso9660.h | 94 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 kernel/iso9660.h diff --git a/kernel/iso9660.h b/kernel/iso9660.h new file mode 100644 index 0000000..75839f8 --- /dev/null +++ b/kernel/iso9660.h @@ -0,0 +1,94 @@ +/* +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