/* $NetBSD: efipart.h,v 1.1.1.1 2014/04/01 16:16:07 jakllsch Exp $ */ #ifndef _EFI_PART_H #define _EFI_PART_H /*++ Copyright (c) 1998 Intel Corporation Module Name: efipart.h Abstract: Info about disk partitions and Master Boot Records Revision History --*/ // // // #define EFI_PARTITION 0xef #define MBR_SIZE 512 #pragma pack(1) typedef struct { UINT8 BootIndicator; UINT8 StartHead; UINT8 StartSector; UINT8 StartTrack; UINT8 OSIndicator; UINT8 EndHead; UINT8 EndSector; UINT8 EndTrack; UINT8 StartingLBA[4]; UINT8 SizeInLBA[4]; } MBR_PARTITION_RECORD; #define EXTRACT_UINT32(D) (UINT32)(D[0] | (D[1] << 8) | (D[2] << 16) | (D[3] << 24)) #define MBR_SIGNATURE 0xaa55 #define MIN_MBR_DEVICE_SIZE 0x80000 #define MBR_ERRATA_PAD 0x40000 // 128 MB #define MAX_MBR_PARTITIONS 4 typedef struct { UINT8 BootStrapCode[440]; UINT8 UniqueMbrSignature[4]; UINT8 Unknown[2]; MBR_PARTITION_RECORD Partition[MAX_MBR_PARTITIONS]; UINT16 Signature; } MASTER_BOOT_RECORD; #pragma pack() #endif |