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Annotation of src/usr.sbin/makefs/cd9660/cd9660_eltorito.h, Revision 1.5

1.5     ! ahoka       1: /*     $NetBSD: cd9660_eltorito.h,v 1.4 2005/10/30 07:33:57 dyoung Exp $       */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
        !             5:  * Perez-Rathke and Ram Vedam.  All rights reserved.
        !             6:  *
        !             7:  * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
        !             8:  * Alan Perez-Rathke and Ram Vedam.
        !             9:  *
        !            10:  * Redistribution and use in source and binary forms, with or
        !            11:  * without modification, are permitted provided that the following
        !            12:  * conditions are met:
        !            13:  * 1. Redistributions of source code must retain the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer.
        !            15:  * 2. Redistributions in binary form must reproduce the above
        !            16:  *    copyright notice, this list of conditions and the following
        !            17:  *    disclaimer in the documentation and/or other materials provided
        !            18:  *    with the distribution.
        !            19:  *
        !            20:  * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
        !            21:  * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR
        !            22:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            23:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
        !            24:  * DISCLAIMED.  IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN
        !            25:  * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            26:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            27:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
        !            28:  * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
        !            29:  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
        !            30:  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            31:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
        !            32:  * OF SUCH DAMAGE.
        !            33:  */
        !            34:
        !            35: #ifndef _CD9660_ELTORITO_H_
        !            36: #define _CD9660_ELTORITO_H_
        !            37:
        !            38: /* Boot defines */
        !            39: #define        ET_ID           "EL TORITO SPECIFICATION"
        !            40: #define        ET_SYS_X86      0
        !            41: #define        ET_SYS_PPC      1
        !            42: #define        ET_SYS_MAC      2
        !            43:
        !            44: #define ET_BOOT_ENTRY_SIZE 0x20
        !            45:
        !            46: #define        ET_BOOTABLE             0x88
        !            47: #define        ET_NOT_BOOTABLE 0
        !            48:
        !            49: #define        ET_MEDIA_NOEM   0
        !            50: #define        ET_MEDIA_12FDD                  1
        !            51: #define        ET_MEDIA_144FDD                 2
        !            52: #define        ET_MEDIA_288FDD                 3
        !            53: #define        ET_MEDIA_HDD                    4
        !            54:
        !            55: #define ET_INDICATOR_HEADERMORE        0x90
        !            56: #define ET_INDICATOR_HEADERLAST        0x91
        !            57: #define ET_INDICATOR_EXTENSION 0x44
        !            58:
        !            59: /*** Boot Structures ***/
        !            60:
        !            61: typedef struct _boot_volume_descriptor {
        !            62:        u_char boot_record_indicator    [ISODCL(0x00,0x00)];
        !            63:        u_char identifier               [ISODCL(0x01,0x05)];
        !            64:        u_char version                  [ISODCL(0x06,0x06)];
        !            65:        u_char boot_system_identifier   [ISODCL(0x07,0x26)];
        !            66:        u_char unused1                  [ISODCL(0x27,0x46)];
        !            67:        u_char boot_catalog_pointer     [ISODCL(0x47,0x4A)];
        !            68:        u_char unused2                  [ISODCL(0x4B,0x7FF)];
        !            69: } boot_volume_descriptor;
        !            70:
        !            71: typedef struct _boot_catalog_validation_entry {
        !            72:        u_char header_id                [ISODCL(0x00,0x00)];
        !            73:        u_char platform_id              [ISODCL(0x01,0x01)];
        !            74:        u_char reserved1                [ISODCL(0x02,0x03)];
        !            75:        u_char manufacturer             [ISODCL(0x04,0x1B)];
        !            76:        u_char checksum                 [ISODCL(0x1C,0x1D)];
        !            77:        u_char key                      [ISODCL(0x1E,0x1F)];
        !            78: } boot_catalog_validation_entry;
        !            79:
        !            80: typedef struct _boot_catalog_initial_entry {
        !            81:        u_char boot_indicator           [ISODCL(0x00,0x00)];
        !            82:        u_char media_type               [ISODCL(0x01,0x01)];
        !            83:        u_char load_segment             [ISODCL(0x02,0x03)];
        !            84:        u_char system_type              [ISODCL(0x04,0x04)];
        !            85:        u_char unused_1                 [ISODCL(0x05,0x05)];
        !            86:        u_char sector_count             [ISODCL(0x06,0x07)];
        !            87:        u_char load_rba                 [ISODCL(0x08,0x0B)];
        !            88:        u_char unused_2                 [ISODCL(0x0C,0x1F)];
        !            89: } boot_catalog_initial_entry;
        !            90:
        !            91: #define ET_SECTION_HEADER_MORE         0x90
        !            92: #define ET_SECTION_HEADER_LAST         0x91
        !            93:
        !            94: typedef struct _boot_catalog_section_header {
        !            95:        u_char header_indicator         [ISODCL(0x00,0x00)];
        !            96:        u_char platform_id              [ISODCL(0x01,0x01)];
        !            97:        u_char num_section_entries      [ISODCL(0x02,0x03)];
        !            98:        u_char id_string                [ISODCL(0x04,0x1F)];
        !            99: } boot_catalog_section_header;
        !           100:
        !           101: typedef struct _boot_catalog_section_entry {
        !           102:        u_char boot_indicator           [ISODCL(0x00,0x00)];
        !           103:        u_char media_type               [ISODCL(0x01,0x01)];
        !           104:        u_char load_segment             [ISODCL(0x02,0x03)];
        !           105:        u_char system_type              [ISODCL(0x04,0x04)];
        !           106:        u_char unused_1                 [ISODCL(0x05,0x05)];
        !           107:        u_char sector_count             [ISODCL(0x06,0x07)];
        !           108:        u_char load_rba                 [ISODCL(0x08,0x0B)];
        !           109:        u_char selection_criteria       [ISODCL(0x0C,0x0C)];
        !           110:        u_char vendor_criteria          [ISODCL(0x0D,0x1F)];
        !           111: } boot_catalog_section_entry;
        !           112:
        !           113: typedef struct _boot_catalog_section_entry_extension {
        !           114:        u_char extension_indicator      [ISODCL(0x00,0x00)];
        !           115:        u_char flags                    [ISODCL(0x01,0x01)];
        !           116:        u_char vendor_criteria          [ISODCL(0x02,0x1F)];
        !           117: } boot_catalog_section_entry_extension;
        !           118:
        !           119: #define ET_ENTRY_VE 1
        !           120: #define ET_ENTRY_IE 2
        !           121: #define ET_ENTRY_SH 3
        !           122: #define ET_ENTRY_SE 4
        !           123: #define ET_ENTRY_EX 5
        !           124:
        !           125: struct boot_catalog_entry {
        !           126:        char entry_type;
        !           127:        union {
        !           128:                boot_catalog_validation_entry           VE;
        !           129:                boot_catalog_initial_entry              IE;
        !           130:                boot_catalog_section_header             SH;
        !           131:                boot_catalog_section_entry              SE;
        !           132:                boot_catalog_section_entry_extension    EX;
        !           133:        } entry_data;
        !           134:
        !           135:        LIST_ENTRY(boot_catalog_entry) ll_struct;
        !           136: };
        !           137:
        !           138: /* Temporary structure */
        !           139: struct cd9660_boot_image {
        !           140:        char *filename;
        !           141:        int size;
        !           142:        int sector;                     /* copied to LoadRBA */
        !           143:        int num_sectors;
        !           144:        unsigned int loadSegment;
        !           145:        u_char targetMode;
        !           146:        u_char system;
        !           147:        u_char bootable;
        !           148:        /*
        !           149:         * If the boot image exists in the filesystem
        !           150:         * already, this is a pointer to that node. For the sake
        !           151:         * of simplicity in future versions, this pointer is only
        !           152:         * to the node in the primary volume. This SHOULD be done
        !           153:         * via a hashtable lookup.
        !           154:         */
        !           155:        struct _cd9660node *boot_image_node;
        !           156:        TAILQ_ENTRY(cd9660_boot_image) image_list;
        !           157:        int serialno;
        !           158: };
        !           159:
        !           160:
        !           161: #endif /* _CD9660_ELTORITO_H_ */
        !           162:

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