SmmLib.h File Reference

Functions
VOID EFIAPI	TriggerBootServiceSoftwareSmi (VOID)
VOID EFIAPI	TriggerRuntimeSoftwareSmi (VOID)
BOOLEAN EFIAPI	IsBootServiceSoftwareSmi (VOID)
BOOLEAN EFIAPI	IsRuntimeSoftwareSmi (VOID)
VOID EFIAPI	ClearSmi (VOID)

Detailed Description

Library class name: SmmLib

SMM Library Services that abstracts both S/W SMI generation and detection.

Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Function Documentation

VOID EFIAPI ClearSmi

(

VOID

)

Clear APM SMI Status Bit; Set the EOS bit.

BOOLEAN EFIAPI IsBootServiceSoftwareSmi

(

VOID

)

Test if a boot time software SMI happened.

This function tests if a software SMM interrupt happened. If a software SMM interrupt happened and it was triggered at boot time, it returns TRUE. Otherwise, it returns FALSE.

Return values

TRUE	A software SMI triggered at boot time happened.
FALSE	No software SMI happened, or the software SMI was triggered at run time.

BOOLEAN EFIAPI IsRuntimeSoftwareSmi

(

VOID

)

Test if a run time software SMI happened.

This function tests if a software SMM interrupt happened. If a software SMM interrupt happened and it was triggered at run time, it returns TRUE. Otherwise, it returns FALSE.

Return values

TRUE	A software SMI triggered at run time happened.
FALSE	No software SMI happened or the software SMI was triggered at boot time.

VOID EFIAPI TriggerBootServiceSoftwareSmi

(

VOID

)

Triggers an SMI at boot time.

This function triggers a software SMM interrupt at boot time.

VOID EFIAPI TriggerRuntimeSoftwareSmi

(

VOID

)

Triggers an SMI at run time.

This function triggers a software SMM interrupt at run time.