mirrors/ipxe
1
0
Fork 0
mirror of https://github.com/ipxe/ipxe.git synced 2026-05-04 12:01:25 +02:00
Code Issues Packages Projects Releases Wiki Activity

[efi] Add partition information protocol header and GUID definition

Browse Source 
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2026-03-29 15:17:55 +01:00
parent c8a96482e2
commit 75115ee998
4 changed files with 129 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
src/include/ipxe/efi/IndustryStandard/Mbr.h Normal file
View File

@ -0,0 +1,54 @@
/** @file
Legacy Master Boot Record Format Definition.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#pragma once
FILE_LICENCE ( BSD2_PATENT );
FILE_SECBOOT ( PERMITTED );
#define MBR_SIGNATURE 0xaa55
#define EXTENDED_DOS_PARTITION 0x05
#define EXTENDED_WINDOWS_PARTITION 0x0F
#define MAX_MBR_PARTITIONS 4
#define PMBR_GPT_PARTITION 0xEE
#define EFI_PARTITION 0xEF
#define MBR_SIZE 512
#pragma pack(1)
///
/// MBR Partition Entry
///
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;
///
/// MBR Partition Table
///
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()

67
src/include/ipxe/efi/Protocol/PartitionInfo.h Normal file
View File

@ -0,0 +1,67 @@
/** @file
This file defines the EFI Partition Information Protocol.
Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@par Revision Reference:
This Protocol is introduced in UEFI Specification 2.7
**/
#pragma once
FILE_LICENCE ( BSD2_PATENT );
FILE_SECBOOT ( PERMITTED );
#include <ipxe/efi/IndustryStandard/Mbr.h>
#include <ipxe/efi/Uefi/UefiGpt.h>
//
// EFI Partition Information Protocol GUID value
//
#define EFI_PARTITION_INFO_PROTOCOL_GUID \
{ 0x8cf2f62c, 0xbc9b, 0x4821, { 0x80, 0x8d, 0xec, 0x9e, 0xc4, 0x21, 0xa1, 0xa0 }};
#define EFI_PARTITION_INFO_PROTOCOL_REVISION 0x0001000
#define PARTITION_TYPE_OTHER 0x00
#define PARTITION_TYPE_MBR 0x01
#define PARTITION_TYPE_GPT 0x02
#pragma pack(1)
///
/// Partition Information Protocol structure.
///
typedef struct {
//
// Set to EFI_PARTITION_INFO_PROTOCOL_REVISION.
//
UINT32 Revision;
//
// Partition info type (PARTITION_TYPE_MBR, PARTITION_TYPE_GPT, or PARTITION_TYPE_OTHER).
//
UINT32 Type;
//
// If 1, partition describes an EFI System Partition.
//
UINT8 System;
UINT8 Reserved[7];
union {
///
/// MBR data
///
MBR_PARTITION_RECORD Mbr;
///
/// GPT data
///
EFI_PARTITION_ENTRY Gpt;
} Info;
} EFI_PARTITION_INFO_PROTOCOL;
#pragma pack()
///
/// Partition Information Protocol GUID variable.
///
extern EFI_GUID gEfiPartitionInfoProtocolGuid;

1
src/include/ipxe/efi/efi.h
View File

@ -228,6 +228,7 @@ extern EFI_GUID efi_mtftp6_protocol_guid;
extern EFI_GUID efi_mtftp6_service_binding_protocol_guid;
extern EFI_GUID efi_nii_protocol_guid;
extern EFI_GUID efi_nii31_protocol_guid;
extern EFI_GUID efi_partition_info_protocol_guid;
extern EFI_GUID efi_pci_io_protocol_guid;
extern EFI_GUID efi_pci_root_bridge_io_protocol_guid;
extern EFI_GUID efi_pxe_base_code_protocol_guid;

7
src/interface/efi/efi_guid.c
View File

@ -63,6 +63,7 @@ FILE_SECBOOT ( PERMITTED );
#include <ipxe/efi/Protocol/Mtftp4.h>
#include <ipxe/efi/Protocol/Mtftp6.h>
#include <ipxe/efi/Protocol/NetworkInterfaceIdentifier.h>
#include <ipxe/efi/Protocol/PartitionInfo.h>
#include <ipxe/efi/Protocol/PciIo.h>
#include <ipxe/efi/Protocol/PciRootBridgeIo.h>
#include <ipxe/efi/Protocol/PxeBaseCode.h>
@ -308,6 +309,10 @@ EFI_GUID efi_nii_protocol_guid
EFI_GUID efi_nii31_protocol_guid
= EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_GUID_31;
/** Partition information protocol GUID */
EFI_GUID efi_partition_info_protocol_guid
= EFI_PARTITION_INFO_PROTOCOL_GUID;
/** PCI I/O protocol GUID */
EFI_GUID efi_pci_io_protocol_guid
= EFI_PCI_IO_PROTOCOL_GUID;
@ -639,6 +644,8 @@ static struct efi_well_known_guid efi_well_known_guids[] = {
"Nii" },
{ &efi_nii31_protocol_guid,
"Nii31" },
{ &efi_partition_info_protocol_guid,
"PartitionInfo" },
{ &efi_pci_io_protocol_guid,
"PciIo" },
{ &efi_pci_root_bridge_io_protocol_guid,