SmmServicesTableLib.c File Reference

#include <PiSmm.h>
#include <Protocol/SmmBase2.h>
#include <Library/SmmServicesTableLib.h>
#include <Library/DebugLib.h>

Go to the source code of this file.

Functions
EFI_STATUS EFIAPI	SmmServicesTableLibConstructor (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)
BOOLEAN EFIAPI	InSmm (VOID)

Variables
EFI_SMM_SYSTEM_TABLE2 *	gSmst = NULL

Detailed Description

SMM Services Table Library.

Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file SmmServicesTableLib.c.

Function Documentation

InSmm()

BOOLEAN EFIAPI InSmm

(

VOID

)

This function allows the caller to determine if the driver is executing in System Management Mode(SMM).

This function returns TRUE if the driver is executing in SMM and FALSE if the driver is not executing in SMM.

Return values

TRUE	The driver is executing in System Management Mode (SMM).
FALSE	The driver is not executing in System Management Mode (SMM).

Definition at line 71 of file SmmServicesTableLib.c.

SmmServicesTableLibConstructor()

EFI_STATUS EFIAPI SmmServicesTableLibConstructor	(	IN EFI_HANDLE	ImageHandle,
		IN EFI_SYSTEM_TABLE *	SystemTable
	)

The constructor function caches the pointer of SMM Services Table.

Parameters

ImageHandle	The firmware allocated handle for the EFI image.
SystemTable	A pointer to the EFI System Table.

Return values

EFI_SUCCESS

The constructor always returns EFI_SUCCESS.

Definition at line 27 of file SmmServicesTableLib.c.

Variable Documentation

gSmst

EFI_SMM_SYSTEM_TABLE2* gSmst = NULL

Cache pointer to the SMM Services Table

Definition at line 14 of file SmmServicesTableLib.c.