diff options
Diffstat (limited to 'gnu-efi/gnu-efi-3.0/inc/efipart.h')
-rw-r--r-- | gnu-efi/gnu-efi-3.0/inc/efipart.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/gnu-efi/gnu-efi-3.0/inc/efipart.h b/gnu-efi/gnu-efi-3.0/inc/efipart.h new file mode 100644 index 0000000..d4c5573 --- /dev/null +++ b/gnu-efi/gnu-efi-3.0/inc/efipart.h @@ -0,0 +1,61 @@ +#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 |