#include <Uefi.h>
#include <PiDxe.h>
#include <Library/PcdLib.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/OcMiscLib.h>
#include <Library/OcStringLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiApplicationEntryPoint.h>
#include <Library/MemoryAllocationLib.h>
#include <Uefi/UefiInternalFormRepresentation.h>
#include <Library/UefiHiiServicesLib.h>
#include <Library/HiiLib.h>
#include <Protocol/HiiFont.h>
#include <Protocol/HiiImage.h>
#include <Protocol/HiiImageEx.h>
#include <Protocol/HiiImageDecoder.h>
#include <Protocol/HiiString.h>
#include <Protocol/HiiDatabase.h>
#include <Protocol/HiiConfigRouting.h>
#include <Protocol/HiiConfigAccess.h>
#include <Protocol/HiiConfigKeyword.h>
#include <Guid/HiiPlatformSetupFormset.h>

Data Structures
struct	ONE_OF_CONTEXT_

Macros
#define	CHAR_ESC 0x1B

#define	DONT_STOP_AT 0xFFFF

#define	PADD(x, y)

#define	BUFFER_LENGTH 128

Typedefs
typedef struct ONE_OF_CONTEXT_	ONE_OF_CONTEXT

typedef VOID	OP_CODE_HANDLER(IN EFI_IFR_OP_HEADER IfrHeader, IN OUT BOOLEAN Stop OPTIONAL, IN VOID *Context)

Enumerations
enum	{ ARG_VERIFY = 0 , ARG_LOCK = 1 , ARG_UNLOCK = 2 , ARG_INTERACTIVE = 8 }

Functions
EFI_STATUS EFIAPI	VerifyMSRE2 (VOID)

BOOLEAN	ReadYN (VOID)

CHAR16	ReadAnyKey (VOID)

EFI_STATUS	InterpretArguments (VOID)

VOID	ModifySearchString (IN OUT EFI_STRING *SearchString)

EFI_HII_PACKAGE_LIST_HEADER *	HiiExportPackageLists (IN EFI_HII_HANDLE Handle)

VOID	HandleIfrOption (IN EFI_IFR_OP_HEADER IfrHeader, IN OUT BOOLEAN Stop OPTIONAL, IN OUT VOID *Context)

VOID	HandleIfrVariable (IN OUT ONE_OF_CONTEXT *Context)

EFI_IFR_OP_HEADER *	IterateOpCode (IN EFI_IFR_OP_HEADER Header, IN UINT8 OpCode, IN OUT BOOLEAN Stop OPTIONAL, IN VOID *Context, IN OP_CODE_HANDLER Handler)

Variables
UINTN	mArgumentFlags

Detailed Description

Control CFGLock BIOS Option

Copyright (c) 2020, Brumbaer. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at http://opensource.org/licenses/bsd-license.php

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

Definition in file ControlMsrE2.h.

Macro Definition Documentation

◆ BUFFER_LENGTH

#define BUFFER_LENGTH 128

Definition at line 112 of file ControlMsrE2.h.

◆ CHAR_ESC

#define CHAR_ESC 0x1B

Definition at line 49 of file ControlMsrE2.h.

◆ DONT_STOP_AT

#define DONT_STOP_AT 0xFFFF

Definition at line 50 of file ControlMsrE2.h.

◆ PADD

#define PADD	(		x,
			y )

Value:

(VOID *)(((CHAR8 *) x) + y)

y

UINT16 y

Definition BmfFile.h:84

x

UINT16 x

Definition BmfFile.h:83

Definition at line 110 of file ControlMsrE2.h.

Typedef Documentation

◆ ONE_OF_CONTEXT

typedef struct ONE_OF_CONTEXT_ ONE_OF_CONTEXT

Parameters to search in a Form for IfrHeaders which contain a Description and to return the VarStore

Parameters

SearchText	Text that must be part of the options description
EfiHandle	Handle of the list the Form is part of
ListHeader	Pointer to the contents of the handle
PkgHeader	Pointer to the current package in the list
FirstIfrHeader	Pointer to first IfrHeader in Package
IfrVarStore	Pointer to IfrHeader of corresponding varstore in same list
IfrOneOf	Pointer to IfrHeader of BIOS Option
StopAt	Find a certain BIOS Option
Count	Running number of suitable BIOS Options

◆ OP_CODE_HANDLER

typedef VOID OP_CODE_HANDLER(IN EFI_IFR_OP_HEADER *IfrHeader, IN OUT BOOLEAN *Stop OPTIONAL, IN VOID *Context)

Callback - What to do, when a IfrHeader with a defined OP_CODE is found

Parameters

[in]	IfrHeader	Current IfrHeader under scrutiny
[in,out]	Stop	Pointer to Stop flag. If TRUE no further search for opcodes. Can be NULL.
[in]	Context	Pointer to Handler specific data

Definition at line 94 of file ControlMsrE2.h.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Commandline Arguments

Enumerator
ARG_VERIFY
ARG_LOCK
ARG_UNLOCK
ARG_INTERACTIVE

Definition at line 103 of file ControlMsrE2.h.

Function Documentation

◆ HandleIfrOption()

VOID HandleIfrOption	(	IN EFI_IFR_OP_HEADER *	IfrHeader,
		IN OUT BOOLEAN *Stop	OPTIONAL,
		IN OUT VOID *	Context )

Callback to Handle EFI_IFR_ONE_OF_OP

Parameters

[in]	IfrHeader	Current IfrHeader under scrutiny
[in,out]	Stop	Pointer to Stop flag. If TRUE no further search for opcodes. Can be NULL.
[in]	Context	Pointer to Handler specific data

< Skip identical Options

Definition at line 136 of file ControlMsrE2Hii.c.

◆ HandleIfrVariable()

VOID HandleIfrVariable ( IN OUT ONE_OF_CONTEXT * Context )

Displaying and Changing value of BIOS Option. Including UI

Parameters

[in] Context Pointer to Handler specific data

Definition at line 264 of file ControlMsrE2Hii.c.

◆ HiiExportPackageLists()

EFI_HII_PACKAGE_LIST_HEADER * HiiExportPackageLists ( IN EFI_HII_HANDLE Handle )

Copies Package Lists to Memory

Parameters

[in] Handle An EFI_HII_HANDLE that corresponds to the desired package list in the HIIdatabase.

Definition at line 23 of file ControlMsrE2Hii.c.

◆ InterpretArguments()

EFI_STATUS InterpretArguments ( VOID )

Parse commandline arguments

Return values

EFI_SUCCESS	Success
EFI_OUT_OF_RESOURCES	Could not allocate memory
EFI_INVALID_PARAMETER	More than 1 parameter provided

Definition at line 145 of file ControlMsrE2UI.c.

◆ IterateOpCode()

EFI_IFR_OP_HEADER * IterateOpCode	(	IN EFI_IFR_OP_HEADER *	Header,
		IN UINT8	OpCode,
		IN OUT BOOLEAN *Stop	OPTIONAL,
		IN VOID *	Context,
		IN OP_CODE_HANDLER	Handler )

Call Handler for each occurence of opCode, starting to search at header. Called recursively

Parameters

[in]	Header	Current Header under scrutiny
[in]	OpCode	Type for OpCode
[in,out]	Stop	Pointer to Stop flag. If TRUE no further search for opcodes. Can be NULL.
[in]	Context	Pointer to Handler specific data
[in]	Handler	Handler for data

Definition at line 60 of file ControlMsrE2Hii.c.

◆ ModifySearchString()

VOID ModifySearchString ( IN OUT EFI_STRING * SearchString )

Displays SearchString and allows to change it

Parameters

[in,out] SearchString Current configuration string

Definition at line 223 of file ControlMsrE2UI.c.

◆ ReadAnyKey()

CHAR16 ReadAnyKey ( VOID )

Wait for any key press

Return values

Other Unicode for pressed key

Definition at line 118 of file ControlMsrE2UI.c.

◆ ReadYN()

BOOLEAN ReadYN ( VOID )

Wait for Keypress of Y or N. Ignores case.

Return values

TRUE	Keypress is Y
FALSE	Keypress is N

Definition at line 129 of file ControlMsrE2UI.c.

◆ VerifyMSRE2()

EFI_STATUS EFIAPI VerifyMSRE2 ( VOID )

Check MsrE2 Status - original VerifyMSRE2

Return values

EFI_SUCCESS	Success
Other	Fail to verify MSR 0xE2 status

Definition at line 61 of file VerifyMsrE2.c.

Variable Documentation

◆ mArgumentFlags

UINTN mArgumentFlags

extern

Definition at line 17 of file ControlMsrE2UI.c.

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ BUFFER_LENGTH

◆ CHAR_ESC

◆ DONT_STOP_AT

◆ PADD

Typedef Documentation

◆ ONE_OF_CONTEXT

◆ OP_CODE_HANDLER

Enumeration Type Documentation

◆ anonymous enum

Function Documentation

◆ HandleIfrOption()

◆ HandleIfrVariable()

◆ HiiExportPackageLists()

◆ InterpretArguments()

◆ IterateOpCode()

◆ ModifySearchString()

◆ ReadAnyKey()

◆ ReadYN()

◆ VerifyMSRE2()

Variable Documentation

◆ mArgumentFlags