ElTorito.h

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#ifndef _ELTORITO_H_
#define _ELTORITO_H_
 
//
// CDROM_VOLUME_DESCRIPTOR.Types, defined in ISO 9660
//
#define CDVOL_TYPE_STANDARD  0x0
#define CDVOL_TYPE_CODED     0x1
#define CDVOL_TYPE_END       0xFF
 
#define CDVOL_ID  "CD001"
 
#define CDVOL_ELTORITO_ID  "EL TORITO SPECIFICATION"
 
//
// Indicator types
//
#define ELTORITO_ID_CATALOG               0x01
#define ELTORITO_ID_SECTION_BOOTABLE      0x88
#define ELTORITO_ID_SECTION_NOT_BOOTABLE  0x00
#define ELTORITO_ID_SECTION_HEADER        0x90
#define ELTORITO_ID_SECTION_HEADER_FINAL  0x91
 
//
// ELTORITO_CATALOG.Boot.MediaTypes
//
#define ELTORITO_NO_EMULATION  0x00
#define ELTORITO_12_DISKETTE   0x01
#define ELTORITO_14_DISKETTE   0x02
#define ELTORITO_28_DISKETTE   0x03
#define ELTORITO_HARD_DISK     0x04
 
#pragma pack(1)
 
typedef union {
  struct {
    UINT8    Type;
    CHAR8    Id[5];          
    CHAR8    Reserved[82];
  } Unknown;
 
  struct {
    UINT8    Type;           
    CHAR8    Id[5];          
    UINT8    Version;        
    CHAR8    SystemId[32];   
    CHAR8    Unused[32];     
    UINT8    EltCatalog[4];  
    CHAR8    Unused2[13];    
  } BootRecordVolume;
 
  struct {
    UINT8     Type;
    CHAR8     Id[5];         
    UINT8     Version;
    UINT8     Unused;        
    CHAR8     SystemId[32];
    CHAR8     VolumeId[32];
    UINT8     Unused2[8];      
    UINT32    VolSpaceSize[2]; 
  } PrimaryVolume;
} CDROM_VOLUME_DESCRIPTOR;
 
typedef union {
  struct {
    CHAR8    Reserved[0x20];
  } Unknown;
 
  struct {
    UINT8     Indicator;     
    UINT8     PlatformId;
    UINT16    Reserved;
    CHAR8     ManufacId[24];
    UINT16    Checksum;
    UINT16    Id55AA;
  } Catalog;
 
  struct {
    UINT8     Indicator;     
    UINT8     MediaType : 4;
    UINT8     Reserved1 : 4; 
    UINT16    LoadSegment;
    UINT8     SystemType;
    UINT8     Reserved2;     
    UINT16    SectorCount;
    UINT32    Lba;
  } Boot;
 
  struct {
    UINT8     Indicator;     
    UINT8     PlatformId;
    UINT16    SectionEntries; 
    CHAR8     Id[28];
  } Section;
} ELTORITO_CATALOG;
 
#pragma pack()
 
#endif