Hob.c File Reference

#include "PeiMain.h"

Go to the source code of this file.

Functions
EFI_STATUS EFIAPI	PeiGetHobList (IN CONST EFI_PEI_SERVICES **PeiServices, IN OUT VOID **HobList)
EFI_STATUS EFIAPI	PeiCreateHob (IN CONST EFI_PEI_SERVICES **PeiServices, IN UINT16 Type, IN UINT16 Length, IN OUT VOID **Hob)
EFI_STATUS	PeiInstallSecHobData (IN CONST EFI_PEI_SERVICES **PeiServices, IN EFI_HOB_GENERIC_HEADER *SecHobList)
VOID	PeiCoreBuildHobHandoffInfoTable (IN EFI_BOOT_MODE BootMode, IN EFI_PHYSICAL_ADDRESS MemoryBegin, IN UINT64 MemoryLength)

Detailed Description

This module provide Hand-Off Block manipulation.

Copyright (c) 2006 - 2025, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file Hob.c.

Function Documentation

PeiCoreBuildHobHandoffInfoTable()

VOID PeiCoreBuildHobHandoffInfoTable	(	IN EFI_BOOT_MODE	BootMode,
		IN EFI_PHYSICAL_ADDRESS	MemoryBegin,
		IN UINT64	MemoryLength
	)

Builds a Handoff Information Table HOB

Parameters

BootMode	- Current Bootmode
MemoryBegin	- Start Memory Address.
MemoryLength	- Length of Memory.

Definition at line 202 of file Hob.c.

PeiCreateHob()

EFI_STATUS EFIAPI PeiCreateHob	(	IN CONST EFI_PEI_SERVICES **	PeiServices,
		IN UINT16	Type,
		IN UINT16	Length,
		IN OUT VOID **	Hob
	)

Add a new HOB to the HOB List.

Parameters

PeiServices	An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
Type	Type of the new HOB.
Length	Length of the new HOB to allocate.
Hob	Pointer to the new HOB.

Returns

EFI_SUCCESS Success to create HOB.

Return values

EFI_INVALID_PARAMETER	if Hob is NULL
EFI_NOT_AVAILABLE_YET	if HobList is still not available.
EFI_OUT_OF_RESOURCES	if there is no more memory to grow the Hoblist.

Definition at line 62 of file Hob.c.

PeiGetHobList()

EFI_STATUS EFIAPI PeiGetHobList	(	IN CONST EFI_PEI_SERVICES **	PeiServices,
		IN OUT VOID **	HobList
	)

Gets the pointer to the HOB List.

Parameters

PeiServices	An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
HobList	Pointer to the HOB List.

Return values

EFI_SUCCESS	Get the pointer of HOB List
EFI_NOT_AVAILABLE_YET	the HOB List is not yet published
EFI_INVALID_PARAMETER	HobList is NULL

Definition at line 25 of file Hob.c.

PeiInstallSecHobData()

EFI_STATUS PeiInstallSecHobData	(	IN CONST EFI_PEI_SERVICES **	PeiServices,
		IN EFI_HOB_GENERIC_HEADER *	SecHobList
	)

Install SEC HOB data to the HOB List.

Parameters

PeiServices	An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
SecHobList	Pointer to SEC HOB List.

Returns

EFI_SUCCESS Success to install SEC HOB data.

Return values

EFI_OUT_OF_RESOURCES

If there is no more memory to grow the Hoblist.

Definition at line 128 of file Hob.c.