SmmProfile.h File Reference

#include "SmmProfileInternal.h"

Go to the source code of this file.

Functions
VOID	ActivateSmmProfile (IN UINTN CpuIndex)
VOID	InitSmmProfile (UINT32 Cr3)
VOID	SmmProfileRecordSmiNum (VOID)
VOID	SmmProfilePFHandler (UINTN Rip, UINTN ErrorCode)
VOID	SmmProfileStart (VOID)
VOID EFIAPI	PageFaultIdtHandlerSmmProfile (VOID)
VOID	CheckFeatureSupported (IN UINTN CpuIndex)
VOID	InitProtectedMemRange (VOID)
VOID	SmmProfileUpdateMemoryAttributes (VOID)
UINTN	GetCpuIndex (VOID)
VOID	GuardPagePFHandler (UINTN ErrorCode)

Variables
BOOLEAN	mXdSupported
BOOLEAN	mXdEnabled
BOOLEAN	mSmmProfileEnabled
BOOLEAN	mSetupDebugTrap
UINT32	mSmiCommandPort

Detailed Description

SMM profile header file.

Copyright (c) 2012 - 2019, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file SmmProfile.h.

Function Documentation

ActivateSmmProfile()

VOID ActivateSmmProfile

(

IN UINTN

CpuIndex

)

Initialize processor environment for SMM profile.

Parameters

CpuIndex

The index of the processor.

Definition at line 1007 of file SmmProfile.c.

CheckFeatureSupported()

VOID CheckFeatureSupported

(

IN UINTN

CpuIndex

)

Check if feature is supported by a processor.

Parameters

CpuIndex

The index of the CPU.

Definition at line 859 of file SmmProfile.c.

GetCpuIndex()

UINTN GetCpuIndex

(

VOID

)

Get CPU Index from APIC ID.

Definition at line 166 of file SmmProfile.c.

GuardPagePFHandler()

VOID GuardPagePFHandler

(

UINTN

ErrorCode

)

Handler for Page Fault triggered by Guard page.

Parameters

ErrorCode

The Error code of exception.

Definition at line 1208 of file SmmProfile.c.

InitProtectedMemRange()

VOID InitProtectedMemRange

(

VOID

)

Initialize the protected memory ranges and the 4KB-page mapped memory ranges.

Definition at line 420 of file SmmProfile.c.

InitSmmProfile()

VOID InitSmmProfile

(

UINT32

Cr3

)

Initialize SMM profile in SMM CPU entry point.

Parameters

[in]

Cr3

The base address of the page tables to use in SMM.

Definition at line 1036 of file SmmProfile.c.

PageFaultIdtHandlerSmmProfile()

VOID EFIAPI PageFaultIdtHandlerSmmProfile

(

VOID

)

Page fault IDT handler for SMM Profile.

SmmProfilePFHandler()

VOID SmmProfilePFHandler	(	UINTN	Rip,
		UINTN	ErrorCode
	)

The Page fault handler to save SMM profile data.

Parameters

Rip	The RIP when exception happens.
ErrorCode	The Error code of exception.

Definition at line 1249 of file SmmProfile.c.

SmmProfileRecordSmiNum()

VOID SmmProfileRecordSmiNum

(

VOID

)

Increase SMI number in each SMI entry.

Definition at line 991 of file SmmProfile.c.

SmmProfileStart()

VOID SmmProfileStart

(

VOID

)

Updates page table to make some memory ranges (like system memory) absent and make some memory ranges (like MMIO) present and execute disable. It also update 2MB-page to 4KB-page for some memory ranges.

Definition at line 682 of file SmmProfile.c.

SmmProfileUpdateMemoryAttributes()

VOID SmmProfileUpdateMemoryAttributes

(

VOID

)

This function updates memory attribute according to mProtectionMemRangeCount.

Definition at line 597 of file SmmProfile.c.

Variable Documentation

mSetupDebugTrap

BOOLEAN mSetupDebugTrap

extern

Definition at line 56 of file SmmProfile.c.

mSmiCommandPort

UINT32 mSmiCommandPort

extern

Definition at line 123 of file SmmProfile.c.

mSmmProfileEnabled

BOOLEAN mSmmProfileEnabled

extern

Definition at line 46 of file SmmProfile.c.

mXdEnabled

BOOLEAN mXdEnabled

extern

Definition at line 36 of file SmmProfile.c.

mXdSupported

BOOLEAN mXdSupported

extern

Definition at line 31 of file SmmProfile.c.