SmmRelocationLib.h File Reference

#include <Ppi/MpServices2.h>

Go to the source code of this file.

Functions
EFI_STATUS EFIAPI	SmmRelocationInit (IN EDKII_PEI_MP_SERVICES2_PPI *MpServices2)

Detailed Description

Header file for SMM Relocation Library.

The SmmRelocationLib class provides the SmmRelocationInit() interface for platform to do the smbase relocation, which shall provide below 2 functionalities:

1. Relocate SmBases for each processor.
2. Create the SmBase HOB (gSmmBaseHobGuid).

With SmmRelocationLib, PiSmmCpuDxeSmm driver (which runs at a later phase) shall:

1. Consume the gSmmBaseHobGuid for the relocated smbase for each Processor.
2. Execute early SMM init.

Copyright (c) 2024, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file SmmRelocationLib.h.

Function Documentation

SmmRelocationInit()

EFI_STATUS EFIAPI SmmRelocationInit

(

IN EDKII_PEI_MP_SERVICES2_PPI *

MpServices2

)

CPU SmmBase Relocation Init.

This function is to relocate CPU SmmBase.

Parameters

[in]

MpServices2

Pointer to this instance of the MpServices.

Return values

EFI_SUCCESS	CPU SmmBase Relocated successfully.
Others	CPU SmmBase Relocation failed.

Definition at line 426 of file SmmRelocationLib.c.