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/*
* $NetBSD: cd9660_eltorito.h,v 1.6 2017/01/24 11:22:43 nonaka Exp $
*/
/*
* SPDX-License-Identifier: BSD-2-Clause-NetBSD
*
* Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
* Perez-Rathke and Ram Vedam. All rights reserved.
*
* This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
* Alan Perez-Rathke and Ram Vedam.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
* GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN
* GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
#ifndef _CD9660_ELTORITO_H_
#define _CD9660_ELTORITO_H_
#include <sys/types.h>
#include <sys/queue.h>
/* Boot defines */
#define ET_ID "EL TORITO SPECIFICATION"
#define ET_SYS_X86 0
#define ET_SYS_PPC 1
#define ET_SYS_MAC 2
#define ET_SYS_EFI 0xef /* Platform ID at section header entry */
#define ET_BOOT_ENTRY_SIZE 0x20
#define ET_BOOTABLE 0x88
#define ET_NOT_BOOTABLE 0
#define ET_MEDIA_NOEM 0
#define ET_MEDIA_12FDD 1
#define ET_MEDIA_144FDD 2
#define ET_MEDIA_288FDD 3
#define ET_MEDIA_HDD 4
#define ET_INDICATOR_HEADERMORE 0x90
#define ET_INDICATOR_HEADERLAST 0x91
#define ET_INDICATOR_EXTENSION 0x44
/* Boot Structures */
#define ISODCL(from, to) (to - from + 1)
typedef struct _boot_volume_descriptor {
uchar_t boot_record_indicator [ISODCL(0x00, 0x00)];
uchar_t identifier [ISODCL(0x01, 0x05)];
uchar_t version [ISODCL(0x06, 0x06)];
uchar_t boot_system_identifier [ISODCL(0x07, 0x26)];
uchar_t unused1 [ISODCL(0x27, 0x46)];
uchar_t boot_catalog_pointer [ISODCL(0x47, 0x4A)];
uchar_t unused2 [ISODCL(0x4B, 0x7FF)];
} boot_volume_descriptor;
typedef struct _boot_catalog_validation_entry {
uchar_t header_id [ISODCL(0x00, 0x00)];
uchar_t platform_id [ISODCL(0x01, 0x01)];
uchar_t reserved1 [ISODCL(0x02, 0x03)];
uchar_t manufacturer [ISODCL(0x04, 0x1B)];
uchar_t checksum [ISODCL(0x1C, 0x1D)];
uchar_t key [ISODCL(0x1E, 0x1F)];
} boot_catalog_validation_entry;
typedef struct _boot_catalog_initial_entry {
uchar_t boot_indicator [ISODCL(0x00, 0x00)];
uchar_t media_type [ISODCL(0x01, 0x01)];
uchar_t load_segment [ISODCL(0x02, 0x03)];
uchar_t system_type [ISODCL(0x04, 0x04)];
uchar_t unused_1 [ISODCL(0x05, 0x05)];
uchar_t sector_count [ISODCL(0x06, 0x07)];
uchar_t load_rba [ISODCL(0x08, 0x0B)];
uchar_t unused_2 [ISODCL(0x0C, 0x1F)];
} boot_catalog_initial_entry;
#define ET_SECTION_HEADER_MORE 0x90
#define ET_SECTION_HEADER_LAST 0x91
typedef struct _boot_catalog_section_header {
uchar_t header_indicator [ISODCL(0x00, 0x00)];
uchar_t platform_id [ISODCL(0x01, 0x01)];
uchar_t num_section_entries [ISODCL(0x02, 0x03)];
uchar_t id_string [ISODCL(0x04, 0x1F)];
} boot_catalog_section_header;
typedef struct _boot_catalog_section_entry {
uchar_t boot_indicator [ISODCL(0x00, 0x00)];
uchar_t media_type [ISODCL(0x01, 0x01)];
uchar_t load_segment [ISODCL(0x02, 0x03)];
uchar_t system_type [ISODCL(0x04, 0x04)];
uchar_t unused_1 [ISODCL(0x05, 0x05)];
uchar_t sector_count [ISODCL(0x06, 0x07)];
uchar_t load_rba [ISODCL(0x08, 0x0B)];
uchar_t selection_criteria [ISODCL(0x0C, 0x0C)];
uchar_t vendor_criteria [ISODCL(0x0D, 0x1F)];
} boot_catalog_section_entry;
typedef struct _boot_catalog_section_entry_extension {
uchar_t extension_indicator [ISODCL(0x00, 0x00)];
uchar_t flags [ISODCL(0x01, 0x01)];
uchar_t vendor_criteria [ISODCL(0x02, 0x1F)];
} boot_catalog_section_entry_extension;
#define ET_ENTRY_VE 1
#define ET_ENTRY_IE 2
#define ET_ENTRY_SH 3
#define ET_ENTRY_SE 4
#define ET_ENTRY_EX 5
struct boot_catalog_entry {
char entry_type;
union {
boot_catalog_validation_entry VE;
boot_catalog_initial_entry IE;
boot_catalog_section_header SH;
boot_catalog_section_entry SE;
boot_catalog_section_entry_extension EX;
} entry_data;
LIST_ENTRY(boot_catalog_entry) ll_struct;
};
/* Temporary structure */
struct cd9660_boot_image {
char *filename;
int size;
int sector; /* copied to LoadRBA */
int num_sectors;
unsigned int loadSegment;
uchar_t targetMode;
uchar_t system;
uchar_t bootable;
uchar_t platform_id; /* for section header entry */
/*
* If the boot image exists in the filesystem
* already, this is a pointer to that node. For the sake
* of simplicity in future versions, this pointer is only
* to the node in the primary volume. This SHOULD be done
* via a hashtable lookup.
*/
struct _cd9660node *boot_image_node;
TAILQ_ENTRY(cd9660_boot_image) image_list;
int serialno;
};
void cd9660_721(uint16_t, unsigned char *);
static __inline uint16_t
isonum_721(const unsigned char *p)
{
return (p[0] | p[1] << 8);
}
static __inline uint32_t
isonum_731(const unsigned char *p)
{
return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24);
}
#endif /* _CD9660_ELTORITO_H_ */
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