PiSmmCpuStandaloneMm.c File Reference

#include "PiSmmCpuCommon.h"

Go to the source code of this file.

Functions
BOOLEAN	IsSmmProfileEnabled (VOID)
VOID	PerformRemainingTasks (VOID)
VOID	GetSmiCommandPort (VOID)
VOID	GetSmmCpuSyncConfigData (IN OUT BOOLEAN *RelaxedMode, OPTIONAL IN OUT UINT64 *SyncTimeout, OPTIONAL IN OUT UINT64 *SyncTimeout2 OPTIONAL)
VOID	GetAcpiS3EnableFlag (VOID)
UINTN	GetSupportedMaxLogicalProcessorNumber (VOID)
EFI_PROCESSOR_INFORMATION *	GetMpInformationFromMpServices (OUT UINTN *NumberOfCpus, OUT UINTN *MaxNumberOfCpus)
EFI_STATUS EFIAPI	PiCpuStandaloneMmEntry (IN EFI_HANDLE ImageHandle, IN EFI_MM_SYSTEM_TABLE *SystemTable)

Variables
const BOOLEAN	mIsStandaloneMm = TRUE
BOOLEAN	mRemainingTasksDone = FALSE

Detailed Description

Agent Module to load other modules to deploy MM Entry Vector for X86 CPU.

Copyright (c) 2024, Intel Corporation. All rights reserved.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file PiSmmCpuStandaloneMm.c.

Function Documentation

GetAcpiS3EnableFlag()

VOID GetAcpiS3EnableFlag

(

VOID

)

Get ACPI S3 enable flag.

Definition at line 158 of file PiSmmCpuStandaloneMm.c.

GetMpInformationFromMpServices()

EFI_PROCESSOR_INFORMATION * GetMpInformationFromMpServices	(	OUT UINTN *	NumberOfCpus,
		OUT UINTN *	MaxNumberOfCpus
	)

Extract NumberOfCpus, MaxNumberOfCpus and EFI_PROCESSOR_INFORMATION.

Parameters

[out]	NumberOfCpus	Pointer to NumberOfCpus.
[out]	MaxNumberOfCpus	Pointer to MaxNumberOfCpus.

Return values

ProcessorInfo

Pointer to EFI_PROCESSOR_INFORMATION buffer.

Get the MP Services Protocol

Get the number of processors

Allocate buffer for processor information

Get processor information

Definition at line 206 of file PiSmmCpuStandaloneMm.c.

GetSmiCommandPort()

VOID GetSmiCommandPort

(

VOID

)

To get system port address of the SMI Command Port.

Definition at line 100 of file PiSmmCpuStandaloneMm.c.

GetSmmCpuSyncConfigData()

VOID GetSmmCpuSyncConfigData	(	IN OUT BOOLEAN *	RelaxedMode,
		OPTIONAL IN OUT UINT64 *	SyncTimeout,
		OPTIONAL IN OUT UINT64 *SyncTimeout2	OPTIONAL
	)

Get SmmCpuSyncConfig data: RelaxedMode, SyncTimeout, SyncTimeout2.

Parameters

[in,out]	RelaxedMode	It indicates if Relaxed CPU synchronization method or traditional CPU synchronization method is used when processing an SMI.
[in,out]	SyncTimeout	It indicates the 1st BSP/AP synchronization timeout value in SMM.
[in,out]	SyncTimeout2	It indicates the 2nd BSP/AP synchronization timeout value in SMM.

Definition at line 118 of file PiSmmCpuStandaloneMm.c.

GetSupportedMaxLogicalProcessorNumber()

UINTN GetSupportedMaxLogicalProcessorNumber

(

VOID

)

Get the maximum number of logical processors supported by the system.

Return values

The	maximum number of logical processors supported by the system is indicated by the return value.

Definition at line 188 of file PiSmmCpuStandaloneMm.c.

IsSmmProfileEnabled()

BOOLEAN IsSmmProfileEnabled

(

VOID

)

Check SmmProfile is enabled or not.

Returns

TRUE SmmProfile is enabled. FALSE SmmProfile is not enabled.

Definition at line 31 of file PiSmmCpuStandaloneMm.c.

PerformRemainingTasks()

VOID PerformRemainingTasks

(

VOID

)

Perform the remaining tasks.

Definition at line 50 of file PiSmmCpuStandaloneMm.c.

PiCpuStandaloneMmEntry()

EFI_STATUS EFIAPI PiCpuStandaloneMmEntry	(	IN EFI_HANDLE	ImageHandle,
		IN EFI_MM_SYSTEM_TABLE *	SystemTable
	)

The module Entry Point of the CPU StandaloneMm driver.

Parameters

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

Return values

EFI_SUCCESS	The entry point is executed successfully.
Other	Some error occurs when executing this entry point.

Definition at line 228 of file PiSmmCpuStandaloneMm.c.

Variable Documentation

mIsStandaloneMm

const BOOLEAN mIsStandaloneMm = TRUE

Definition at line 16 of file PiSmmCpuStandaloneMm.c.

mRemainingTasksDone

BOOLEAN mRemainingTasksDone = FALSE

Definition at line 21 of file PiSmmCpuStandaloneMm.c.