Mbr.c File Reference

#include <IndustryStandard/Mbr.h>
#include "FatLitePeim.h"

Go to the source code of this file.

Functions
BOOLEAN	PartitionValidMbr (IN MASTER_BOOT_RECORD *Mbr, IN EFI_PEI_LBA LastLba)
BOOLEAN	FatFindMbrPartitions (IN PEI_FAT_PRIVATE_DATA *PrivateData, IN UINTN ParentBlockDevNo)

Detailed Description

Routines supporting partition discovery and logical device reading

Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file Mbr.c.

Function Documentation

FatFindMbrPartitions()

BOOLEAN FatFindMbrPartitions	(	IN PEI_FAT_PRIVATE_DATA *	PrivateData,
		IN UINTN	ParentBlockDevNo
	)

This function finds Mbr partitions. Main algorithm is ported from DXE partition driver.

Parameters

[in]	PrivateData	The global memory map
[in]	ParentBlockDevNo	The parent block device

Return values

TRUE	New partitions are detected and logical block devices are added to block device array
FALSE	No new partitions are added

Definition at line 102 of file Mbr.c.

PartitionValidMbr()

BOOLEAN PartitionValidMbr	(	IN MASTER_BOOT_RECORD *	Mbr,
		IN EFI_PEI_LBA	LastLba
	)

Test to see if the Mbr buffer is a valid MBR

Parameters

[in]	Mbr	Parent Handle
[in]	LastLba	Last Lba address on the device.

Return values

TRUE	Mbr is a Valid MBR
FALSE	Mbr is not a Valid MBR

Definition at line 25 of file Mbr.c.