LoadDxeCore.c File Reference

#include "UefiPayloadEntry.h"

Go to the source code of this file.

Functions
VOID *	AllocateCodePages (IN UINTN Pages)
EFI_STATUS	LoadPeCoffImage (IN VOID *PeCoffImage, OUT EFI_PHYSICAL_ADDRESS *ImageAddress, OUT UINT64 *ImageSize, OUT EFI_PHYSICAL_ADDRESS *EntryPoint)
EFI_STATUS	FvFindFileByTypeGuid (IN EFI_FIRMWARE_VOLUME_HEADER *FvHeader, IN EFI_FV_FILETYPE FileType, IN EFI_GUID *Guid OPTIONAL, OUT EFI_FFS_FILE_HEADER **FileHeader)
EFI_STATUS	FileFindSection (IN EFI_FFS_FILE_HEADER *FileHeader, IN EFI_SECTION_TYPE SectionType, OUT VOID **SectionData)
EFI_STATUS	LoadDxeCore (OUT PHYSICAL_ADDRESS *DxeCoreEntryPoint)
EFI_STATUS	UniversalLoadDxeCore (IN EFI_FIRMWARE_VOLUME_HEADER *DxeFv, OUT PHYSICAL_ADDRESS *DxeCoreEntryPoint)

Detailed Description

Copyright (c) 2020, Intel Corporation. All rights reserved.

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

Definition in file LoadDxeCore.c.

Function Documentation

AllocateCodePages()

VOID * AllocateCodePages

(

IN UINTN

Pages

)

Allocate pages for code.

Parameters

[in]

Pages

Number of pages to be allocated.

Returns

Allocated memory.

Definition at line 19 of file LoadDxeCore.c.

FileFindSection()

EFI_STATUS FileFindSection	(	IN EFI_FFS_FILE_HEADER *	FileHeader,
		IN EFI_SECTION_TYPE	SectionType,
		OUT VOID **	SectionData
	)

This function searchs a given section type within a valid FFS file.

Parameters

FileHeader	A pointer to the file header that contains the set of sections to be searched.
SectionType	The value of the section type to search.
SectionData	A pointer to the discovered section, if successful.

Return values

EFI_SUCCESS	The section was found.
EFI_NOT_FOUND	The section was not found.

Definition at line 201 of file LoadDxeCore.c.

FvFindFileByTypeGuid()

EFI_STATUS FvFindFileByTypeGuid	(	IN EFI_FIRMWARE_VOLUME_HEADER *	FvHeader,
		IN EFI_FV_FILETYPE	FileType,
		IN EFI_GUID *Guid	OPTIONAL,
		OUT EFI_FFS_FILE_HEADER **	FileHeader
	)

This function searchs a given file type with a given Guid within a valid FV. If input Guid is NULL, will locate the first section having the given file type

Parameters

FvHeader	A pointer to firmware volume header that contains the set of files to be searched.
FileType	File type to be searched.
Guid	Will ignore if it is NULL.
FileHeader	A pointer to the discovered file, if successful.

Return values

EFI_SUCCESS	Successfully found FileType
EFI_NOT_FOUND	File type can't be found.

Definition at line 131 of file LoadDxeCore.c.

LoadDxeCore()

EFI_STATUS LoadDxeCore

(

OUT PHYSICAL_ADDRESS *

DxeCoreEntryPoint

)

Find DXE core from FV and build DXE core HOBs.

Parameters

[out]

DxeCoreEntryPoint

DXE core entry point

Return values

EFI_SUCCESS	If it completed successfully.
EFI_NOT_FOUND	If it failed to load DXE FV.

Definition at line 259 of file LoadDxeCore.c.

LoadPeCoffImage()

EFI_STATUS LoadPeCoffImage	(	IN VOID *	PeCoffImage,
		OUT EFI_PHYSICAL_ADDRESS *	ImageAddress,
		OUT UINT64 *	ImageSize,
		OUT EFI_PHYSICAL_ADDRESS *	EntryPoint
	)

Loads and relocates a PE/COFF image

Parameters

[in]	PeCoffImage	Point to a Pe/Coff image.
[out]	ImageAddress	The image memory address after relocation.
[out]	ImageSize	The image size.
[out]	EntryPoint	The image entry point.

Returns

EFI_SUCCESS If the image is loaded and relocated successfully.

Others If the image failed to load or relocate.

Definition at line 60 of file LoadDxeCore.c.

UniversalLoadDxeCore()

EFI_STATUS UniversalLoadDxeCore	(	IN EFI_FIRMWARE_VOLUME_HEADER *	DxeFv,
		OUT PHYSICAL_ADDRESS *	DxeCoreEntryPoint
	)

Find DXE core from FV and build DXE core HOBs.

Parameters

[in]	DxeFv	The FV where to find the DXE core.
[out]	DxeCoreEntryPoint	DXE core entry point

Return values

EFI_SUCCESS	If it completed successfully.
EFI_NOT_FOUND	If it failed to load DXE FV.

Definition at line 327 of file LoadDxeCore.c.