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+/** @file
+SMM profile header file.
+
+Copyright (c) 2012 - 2016, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef _SMM_PROFILE_H_
+#define _SMM_PROFILE_H_
+
+#include "SmmProfileInternal.h"
+
+///
+/// MSR Register Index
+///
+#define MSR_IA32_MISC_ENABLE 0x1A0
+#define B_XD_DISABLE_BIT BIT34
+
+//
+// External functions
+//
+
+/**
+ Initialize processor environment for SMM profile.
+
+ @param CpuIndex The index of the processor.
+
+**/
+VOID
+ActivateSmmProfile (
+ IN UINTN CpuIndex
+ );
+
+/**
+ Initialize SMM profile in SMM CPU entry point.
+
+ @param[in] Cr3 The base address of the page tables to use in SMM.
+
+**/
+VOID
+InitSmmProfile (
+ UINT32 Cr3
+ );
+
+/**
+ Increase SMI number in each SMI entry.
+
+**/
+VOID
+SmmProfileRecordSmiNum (
+ VOID
+ );
+
+/**
+ The Page fault handler to save SMM profile data.
+
+ @param Rip The RIP when exception happens.
+ @param ErrorCode The Error code of exception.
+
+**/
+VOID
+SmmProfilePFHandler (
+ UINTN Rip,
+ UINTN ErrorCode
+ );
+
+/**
+ 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.
+
+**/
+VOID
+SmmProfileStart (
+ VOID
+ );
+
+/**
+ Page fault IDT handler for SMM Profile.
+
+**/
+VOID
+EFIAPI
+PageFaultIdtHandlerSmmProfile (
+ VOID
+ );
+
+
+/**
+ Check if XD feature is supported by a processor.
+
+ @param[in,out] Buffer The pointer to private data buffer.
+
+**/
+VOID
+EFIAPI
+CheckFeatureSupported (
+ IN OUT VOID *Buffer
+ );
+
+/**
+ Enable XD feature.
+
+**/
+VOID
+ActivateXd (
+ VOID
+ );
+
+/**
+ Update page table according to protected memory ranges and the 4KB-page mapped memory ranges.
+
+**/
+VOID
+InitPaging (
+ VOID
+ );
+
+/**
+ Check if XD and BTS features are supported by all processors.
+
+**/
+VOID
+CheckProcessorFeature (
+ VOID
+ );
+
+extern BOOLEAN mXdSupported;
+extern BOOLEAN mXdEnabled;
+
+#endif // _SMM_PROFILE_H_