0acd869796
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Eric Dong <eric.dong@intel.com> Reviewed-by: Ray Ni <ray.ni@intel.com>
136 lines
2.2 KiB
C
136 lines
2.2 KiB
C
/** @file
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SMM profile header file.
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Copyright (c) 2012 - 2019, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _SMM_PROFILE_H_
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#define _SMM_PROFILE_H_
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#include "SmmProfileInternal.h"
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//
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// External functions
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//
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/**
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Initialize processor environment for SMM profile.
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@param CpuIndex The index of the processor.
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**/
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VOID
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ActivateSmmProfile (
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IN UINTN CpuIndex
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);
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/**
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Initialize SMM profile in SMM CPU entry point.
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@param[in] Cr3 The base address of the page tables to use in SMM.
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**/
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VOID
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InitSmmProfile (
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UINT32 Cr3
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);
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/**
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Increase SMI number in each SMI entry.
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**/
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VOID
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SmmProfileRecordSmiNum (
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VOID
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);
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/**
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The Page fault handler to save SMM profile data.
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@param Rip The RIP when exception happens.
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@param ErrorCode The Error code of exception.
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**/
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VOID
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SmmProfilePFHandler (
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UINTN Rip,
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UINTN ErrorCode
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);
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/**
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Updates page table to make some memory ranges (like system memory) absent
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and make some memory ranges (like MMIO) present and execute disable. It also
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update 2MB-page to 4KB-page for some memory ranges.
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**/
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VOID
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SmmProfileStart (
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VOID
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);
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/**
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Page fault IDT handler for SMM Profile.
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**/
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VOID
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EFIAPI
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PageFaultIdtHandlerSmmProfile (
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VOID
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);
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/**
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Check if feature is supported by a processor.
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**/
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VOID
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CheckFeatureSupported (
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VOID
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);
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/**
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Update page table according to protected memory ranges and the 4KB-page mapped memory ranges.
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**/
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VOID
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InitPaging (
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VOID
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);
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/**
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Get CPU Index from APIC ID.
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**/
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UINTN
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GetCpuIndex (
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VOID
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);
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/**
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Handler for Page Fault triggered by Guard page.
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@param ErrorCode The Error code of exception.
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**/
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VOID
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GuardPagePFHandler (
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UINTN ErrorCode
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);
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//
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// The flag indicates if execute-disable is supported by processor.
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//
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extern BOOLEAN mXdSupported;
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//
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// The flag indicates if execute-disable is enabled on processor.
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//
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extern BOOLEAN mXdEnabled;
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//
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// The flag indicates if #DB will be setup in #PF handler.
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//
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extern BOOLEAN mSetupDebugTrap;
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#endif // _SMM_PROFILE_H_
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