SmmProfileArch.h File Reference

Go to the source code of this file.

Data Structures
struct	_MSR_DS_AREA_STRUCT
struct	_BRANCH_TRACE_RECORD
struct	_PEBS_RECORD

Macros
#define	PHYSICAL_ADDRESS_MASK   ((1ull << 32) - SIZE_4KB)

Typedefs
typedef struct _MSR_DS_AREA_STRUCT	MSR_DS_AREA_STRUCT
typedef struct _BRANCH_TRACE_RECORD	BRANCH_TRACE_RECORD
typedef struct _PEBS_RECORD	PEBS_RECORD

Functions
VOID	RestorePageTableAbove4G (UINT64 *PageTable, UINT64 PFAddress, UINTN CpuIndex, UINTN ErrorCode, BOOLEAN *IsValidPFAddress)
VOID	InitSmmS3Cr3 (OUT UINTN *Cr3)
VOID	InitPagesForPFHandler (VOID)

Detailed Description

IA-32 processor specific header file to enable SMM profile.

Copyright (c) 2012 - 2024, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file SmmProfileArch.h.

Macro Definition Documentation

PHYSICAL_ADDRESS_MASK

#define PHYSICAL_ADDRESS_MASK   ((1ull << 32) - SIZE_4KB)

Definition at line 50 of file SmmProfileArch.h.

Function Documentation

InitPagesForPFHandler()

VOID InitPagesForPFHandler

(

VOID

)

Allocate pages for creating 4KB-page based on 2MB-page when page fault happens.

Allocate pages for creating 4KB-page based on 2MB-page when page fault happens. 32-bit firmware does not need it.

Definition at line 36 of file SmmProfileArch.c.

InitSmmS3Cr3()

VOID InitSmmS3Cr3

(

OUT UINTN *

Cr3

)

Create SMM page table for S3 path.

Parameters

[out]

Cr3

The base address of the page tables.

Definition at line 19 of file SmmProfileArch.c.

RestorePageTableAbove4G()

VOID RestorePageTableAbove4G	(	UINT64 *	PageTable,
		UINT64	PFAddress,
		UINTN	CpuIndex,
		UINTN	ErrorCode,
		BOOLEAN *	IsValidPFAddress
	)

Update page table to map the memory correctly in order to make the instruction which caused page fault execute successfully. And it also save the original page table to be restored in single-step exception. 32-bit firmware does not need it.

Parameters

PageTable	PageTable Address.
PFAddress	The memory address which caused page fault exception.
CpuIndex	The index of the processor.
ErrorCode	The Error code of exception.
IsValidPFAddress	The flag indicates if SMM profile data need be added.

Update page table to map the memory correctly in order to make the instruction which caused page fault execute successfully. And it also save the original page table to be restored in single-step exception.

Parameters

PageTable	PageTable Address.
PFAddress	The memory address which caused page fault exception.
CpuIndex	The index of the processor.
ErrorCode	The Error code of exception.
IsValidPFAddress	The flag indicates if SMM profile data need be added.

Definition at line 55 of file SmmProfileArch.c.