VarCheckHiiGenFromFv.c File Reference

#include "VarCheckHiiGen.h"

Go to the source code of this file.

Data Structures
struct	VAR_CHECK_VFR_DRIVER_INFO

Macros
#define	EFI_VFR_ATTRACT_GUID   { 0xd0bc7cb4, 0x6a47, 0x495f, { 0xaa, 0x11, 0x71, 0x7, 0x46, 0xda, 0x6, 0xa2 } }
#define	ALL_FF_GUID   { 0xFFFFFFFF, 0xFFFF, 0xFFFF, { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF } }
#define	VAR_CHECK_VFR_DRIVER_INFO_SIGNATURE   SIGNATURE_32 ('V', 'D', 'R', 'I')
#define	VAR_CHECK_VFR_DRIVER_INFO_FROM_LINK(a)   CR (a, VAR_CHECK_VFR_DRIVER_INFO, Link, VAR_CHECK_VFR_DRIVER_INFO_SIGNATURE)
#define	MAX_MATCH_GUID_NUM   100

Functions
EFI_STATUS	GetAddressByGuid (IN VOID *Ffs, IN EFI_GUID *Guid, IN UINTN Length, OUT UINTN **Offset, OUT UINT8 *NumOfMatchingGuid)
EFI_STATUS	SearchVfrBinInFfs (IN VOID *Ffs, IN VOID *EfiAddr, IN UINTN Length, OUT UINTN **Offset, OUT UINT8 *NumOfMatchingOffset)
BOOLEAN	ParseFfs (IN EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv2, IN EFI_GUID *DriverGuid)
VOID	ParseFv (IN BOOLEAN ScanAll)
VOID	CreateVfrDriverList (IN EFI_GUID *DriverGuidArray)
VOID	DestroyVfrDriverList (VOID)
VOID	VarCheckHiiGenFromFv (VOID)

Variables
EFI_GUID	gVfrArrayAttractGuid = EFI_VFR_ATTRACT_GUID
EFI_GUID	mAllFfGuid = ALL_FF_GUID
LIST_ENTRY	mVfrDriverList = INITIALIZE_LIST_HEAD_VARIABLE (mVfrDriverList)

Detailed Description

Var Check Hii generation from FV.

Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file VarCheckHiiGenFromFv.c.

Macro Definition Documentation

ALL_FF_GUID

#define ALL_FF_GUID   { 0xFFFFFFFF, 0xFFFF, 0xFFFF, { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF } }

Definition at line 17 of file VarCheckHiiGenFromFv.c.

EFI_VFR_ATTRACT_GUID

#define EFI_VFR_ATTRACT_GUID   { 0xd0bc7cb4, 0x6a47, 0x495f, { 0xaa, 0x11, 0x71, 0x7, 0x46, 0xda, 0x6, 0xa2 } }

Definition at line 12 of file VarCheckHiiGenFromFv.c.

MAX_MATCH_GUID_NUM

#define MAX_MATCH_GUID_NUM   100

Definition at line 34 of file VarCheckHiiGenFromFv.c.

VAR_CHECK_VFR_DRIVER_INFO_FROM_LINK

#define VAR_CHECK_VFR_DRIVER_INFO_FROM_LINK

(

a

)

CR (a, VAR_CHECK_VFR_DRIVER_INFO, Link, VAR_CHECK_VFR_DRIVER_INFO_SIGNATURE)

Definition at line 32 of file VarCheckHiiGenFromFv.c.

VAR_CHECK_VFR_DRIVER_INFO_SIGNATURE

#define VAR_CHECK_VFR_DRIVER_INFO_SIGNATURE   SIGNATURE_32 ('V', 'D', 'R', 'I')

Definition at line 22 of file VarCheckHiiGenFromFv.c.

Function Documentation

CreateVfrDriverList()

VOID CreateVfrDriverList

(

IN EFI_GUID *

DriverGuidArray

)

Create Vfr Driver List.

Parameters

[in]

DriverGuidArray

Driver Guid Array

Definition at line 365 of file VarCheckHiiGenFromFv.c.

DestroyVfrDriverList()

VOID DestroyVfrDriverList

(

VOID

)

Destroy Vfr Driver List.

Definition at line 387 of file VarCheckHiiGenFromFv.c.

GetAddressByGuid()

EFI_STATUS GetAddressByGuid	(	IN VOID *	Ffs,
		IN EFI_GUID *	Guid,
		IN UINTN	Length,
		OUT UINTN **	Offset,
		OUT UINT8 *	NumOfMatchingGuid
	)

Get the address by Guid.

Parse the FFS and find the GUID address. There may be multiple Guids matching the searched Guid.

Parameters

Ffs	Pointer to the FFS.
Guid	Guid to find.
Length	The length of FFS.
Offset	Pointer to pointer to the offset.
NumOfMatchingGuid	The number of matching Guid.

Return values

EFI_SUCCESS	One or multiple Guids matching the searched Guid.
EFI_NOT_FOUND	No Guid matching the searched Guid.

Definition at line 53 of file VarCheckHiiGenFromFv.c.

ParseFfs()

BOOLEAN ParseFfs	(	IN EFI_FIRMWARE_VOLUME2_PROTOCOL *	Fv2,
		IN EFI_GUID *	DriverGuid
	)

Parse FFS.

Parameters

[in]	Fv2	Pointer to Fv2 protocol.
[in]	DriverGuid	Pointer to driver GUID.

Returns

Found the driver in the FV or not.

Definition at line 164 of file VarCheckHiiGenFromFv.c.

ParseFv()

VOID ParseFv

(

IN BOOLEAN

ScanAll

)

Parse FVs.

Parameters

[in]

ScanAll

Scan all modules in all FVs or not.

Definition at line 249 of file VarCheckHiiGenFromFv.c.

SearchVfrBinInFfs()

EFI_STATUS SearchVfrBinInFfs	(	IN VOID *	Ffs,
		IN VOID *	EfiAddr,
		IN UINTN	Length,
		OUT UINTN **	Offset,
		OUT UINT8 *	NumOfMatchingOffset
	)

Search the VfrBin Base address.

According to the known GUID gVfrArrayAttractGuid to get the base address from FFS.

Parameters

Ffs	Pointer to the FFS.
EfiAddr	Pointer to the EFI in FFS
Length	The length of FFS.
Offset	Pointer to pointer to the Addr (Offset).
NumOfMatchingOffset	The number of Addr (Offset).

Return values

EFI_SUCCESS	Get the address successfully.
EFI_NOT_FOUND	No VfrBin found.

Definition at line 113 of file VarCheckHiiGenFromFv.c.

VarCheckHiiGenFromFv()

VOID VarCheckHiiGenFromFv

(

VOID

)

Generate from FV.

Definition at line 407 of file VarCheckHiiGenFromFv.c.

Variable Documentation

gVfrArrayAttractGuid

EFI_GUID gVfrArrayAttractGuid = EFI_VFR_ATTRACT_GUID

Definition at line 15 of file VarCheckHiiGenFromFv.c.

mAllFfGuid

EFI_GUID mAllFfGuid = ALL_FF_GUID

Definition at line 20 of file VarCheckHiiGenFromFv.c.

mVfrDriverList

LIST_ENTRY mVfrDriverList = INITIALIZE_LIST_HEAD_VARIABLE (mVfrDriverList)

Definition at line 30 of file VarCheckHiiGenFromFv.c.