165 lines
5.3 KiB
C
165 lines
5.3 KiB
C
/* $NetBSD: cd9660_eltorito.h,v 1.5 2009/07/04 14:31:38 ahoka Exp $ */
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/*
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* Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
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* Perez-Rathke and Ram Vedam. All rights reserved.
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*
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* This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
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* Alan Perez-Rathke and Ram Vedam.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
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* GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN
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* GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _CD9660_ELTORITO_H_
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#define _CD9660_ELTORITO_H_
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/* Boot defines */
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#define ET_ID "EL TORITO SPECIFICATION"
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#define ET_SYS_X86 0
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#define ET_SYS_PPC 1
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#define ET_SYS_MAC 2
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#define ET_BOOT_ENTRY_SIZE 0x20
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#define ET_BOOTABLE 0x88
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#define ET_NOT_BOOTABLE 0
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#define ET_MEDIA_NOEM 0
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#define ET_MEDIA_12FDD 1
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#define ET_MEDIA_144FDD 2
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#define ET_MEDIA_288FDD 3
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#define ET_MEDIA_HDD 4
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#define ET_INDICATOR_HEADERMORE 0x90
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#define ET_INDICATOR_HEADERLAST 0x91
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#define ET_INDICATOR_EXTENSION 0x44
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/*** Boot Structures ***/
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typedef struct _boot_volume_descriptor {
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u_char boot_record_indicator [ISODCL(0x00,0x00)];
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u_char identifier [ISODCL(0x01,0x05)];
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u_char version [ISODCL(0x06,0x06)];
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u_char boot_system_identifier [ISODCL(0x07,0x26)];
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u_char unused1 [ISODCL(0x27,0x46)];
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u_char boot_catalog_pointer [ISODCL(0x47,0x4A)];
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u_char unused2 [ISODCL(0x4B,0x7FF)];
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} boot_volume_descriptor;
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typedef struct _boot_catalog_validation_entry {
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u_char header_id [ISODCL(0x00,0x00)];
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u_char platform_id [ISODCL(0x01,0x01)];
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u_char reserved1 [ISODCL(0x02,0x03)];
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u_char manufacturer [ISODCL(0x04,0x1B)];
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u_char checksum [ISODCL(0x1C,0x1D)];
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u_char key [ISODCL(0x1E,0x1F)];
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} boot_catalog_validation_entry;
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typedef struct _boot_catalog_initial_entry {
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u_char boot_indicator [ISODCL(0x00,0x00)];
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u_char media_type [ISODCL(0x01,0x01)];
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u_char load_segment [ISODCL(0x02,0x03)];
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u_char system_type [ISODCL(0x04,0x04)];
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u_char unused_1 [ISODCL(0x05,0x05)];
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u_char sector_count [ISODCL(0x06,0x07)];
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u_char load_rba [ISODCL(0x08,0x0B)];
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u_char unused_2 [ISODCL(0x0C,0x1F)];
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} boot_catalog_initial_entry;
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#define ET_SECTION_HEADER_MORE 0x90
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#define ET_SECTION_HEADER_LAST 0x91
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typedef struct _boot_catalog_section_header {
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u_char header_indicator [ISODCL(0x00,0x00)];
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u_char platform_id [ISODCL(0x01,0x01)];
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u_char num_section_entries [ISODCL(0x02,0x03)];
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u_char id_string [ISODCL(0x04,0x1F)];
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} boot_catalog_section_header;
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typedef struct _boot_catalog_section_entry {
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u_char boot_indicator [ISODCL(0x00,0x00)];
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u_char media_type [ISODCL(0x01,0x01)];
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u_char load_segment [ISODCL(0x02,0x03)];
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u_char system_type [ISODCL(0x04,0x04)];
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u_char unused_1 [ISODCL(0x05,0x05)];
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u_char sector_count [ISODCL(0x06,0x07)];
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u_char load_rba [ISODCL(0x08,0x0B)];
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u_char selection_criteria [ISODCL(0x0C,0x0C)];
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u_char vendor_criteria [ISODCL(0x0D,0x1F)];
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} boot_catalog_section_entry;
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typedef struct _boot_catalog_section_entry_extension {
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u_char extension_indicator [ISODCL(0x00,0x00)];
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u_char flags [ISODCL(0x01,0x01)];
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u_char vendor_criteria [ISODCL(0x02,0x1F)];
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} boot_catalog_section_entry_extension;
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#define ET_ENTRY_VE 1
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#define ET_ENTRY_IE 2
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#define ET_ENTRY_SH 3
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#define ET_ENTRY_SE 4
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#define ET_ENTRY_EX 5
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struct boot_catalog_entry {
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char entry_type;
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union {
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boot_catalog_validation_entry VE;
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boot_catalog_initial_entry IE;
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boot_catalog_section_header SH;
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boot_catalog_section_entry SE;
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boot_catalog_section_entry_extension EX;
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} entry_data;
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LIST_ENTRY(boot_catalog_entry) ll_struct;
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};
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/* Temporary structure */
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struct cd9660_boot_image {
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char *filename;
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int size;
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int sector; /* copied to LoadRBA */
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int num_sectors;
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unsigned int loadSegment;
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u_char targetMode;
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u_char system;
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u_char bootable;
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/*
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* If the boot image exists in the filesystem
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* already, this is a pointer to that node. For the sake
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* of simplicity in future versions, this pointer is only
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* to the node in the primary volume. This SHOULD be done
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* via a hashtable lookup.
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*/
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struct _cd9660node *boot_image_node;
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TAILQ_ENTRY(cd9660_boot_image) image_list;
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int serialno;
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};
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#endif /* _CD9660_ELTORITO_H_ */
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