CustomFdtNodeParserLib.c File Reference

#include <PiPei.h>
#include <Pi/PiHob.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/DebugLib.h>
#include <Library/IoLib.h>
#include <Library/PrintLib.h>
#include <Library/FdtLib.h>
#include <Library/HobLib.h>
#include <Library/PcdLib.h>

Go to the source code of this file.

Functions
VOID *EFIAPI	CreateHob (IN UINT16 HobType, IN UINT16 HobLength)
VOID	AddNewHob (IN EFI_PEI_HOB_POINTERS *Hob)
BOOLEAN EFIAPI	FitIsHobNeed (EFI_PEI_HOB_POINTERS Hob)
UINTN EFIAPI	CustomFdtNodeParser (IN VOID *FdtBase, IN VOID *HobList)

Detailed Description

Copyright (c) 2024, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file CustomFdtNodeParserLib.c.

Function Documentation

AddNewHob()

VOID AddNewHob

(

IN EFI_PEI_HOB_POINTERS *

Hob

)

Add HOB into HOB list

Parameters

[in]

Hob

The HOB to be added into the HOB list.

Definition at line 101 of file HobParseLib.c.

CreateHob()

VOID *EFIAPI CreateHob	(	IN UINT16	HobType,
		IN UINT16	HobLength
	)

Add a new HOB to the HOB List.

Parameters

HobType	Type of the new HOB.
HobLength	Length of the new HOB to allocate.

Returns

NULL if there is no space to create a hob.

The address point to the new created hob.

This service enables PEIMs to create various types of HOBs.

Parameters

Type	The type of HOB to be installed.
Length	The length of the HOB to be added.

Return values

!NULL	The HOB was successfully created.
NULL	There is no additional space for HOB creation.

Definition at line 101 of file Hob.c.

CustomFdtNodeParser()

UINTN EFIAPI CustomFdtNodeParser	(	IN VOID *	FdtBase,
		IN VOID *	HobList
	)

It will Parse FDT -custom node based on information from bootloaders.

Parameters

[in]	FdtBase	The starting memory address of FdtBase
[in]	HobList	The starting memory address of New Hob list.

Definition at line 120 of file CustomFdtNodeParserLib.c.

FitIsHobNeed()

BOOLEAN EFIAPI FitIsHobNeed

(

EFI_PEI_HOB_POINTERS

Hob

)

Check the HOB and decide if it is need inside Payload Payload maintainer may make decision which HOB is need or needn't Then add the check logic in the function.

Parameters

[in]

Hob

The HOB to check

Return values

TRUE	If HOB is need inside Payload
FALSE	If HOB is needn't inside Payload

Definition at line 53 of file CustomFdtNodeParserLib.c.