mirror of https://github.com/acidanthera/audk.git
92 lines
2.1 KiB
C
92 lines
2.1 KiB
C
/** @file
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IA-32 processor specific header file to enable SMM profile.
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Copyright (c) 2012 - 2015, 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_ARCH_H_
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#define _SMM_PROFILE_ARCH_H_
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#pragma pack (1)
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typedef struct _MSR_DS_AREA_STRUCT {
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UINT32 BTSBufferBase;
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UINT32 BTSIndex;
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UINT32 BTSAbsoluteMaximum;
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UINT32 BTSInterruptThreshold;
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UINT32 PEBSBufferBase;
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UINT32 PEBSIndex;
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UINT32 PEBSAbsoluteMaximum;
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UINT32 PEBSInterruptThreshold;
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UINT32 PEBSCounterReset[4];
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UINT32 Reserved;
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} MSR_DS_AREA_STRUCT;
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typedef struct _BRANCH_TRACE_RECORD {
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UINT32 LastBranchFrom;
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UINT32 LastBranchTo;
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UINT32 Rsvd0 : 4;
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UINT32 BranchPredicted : 1;
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UINT32 Rsvd1 : 27;
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} BRANCH_TRACE_RECORD;
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typedef struct _PEBS_RECORD {
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UINT32 Eflags;
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UINT32 LinearIP;
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UINT32 Eax;
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UINT32 Ebx;
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UINT32 Ecx;
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UINT32 Edx;
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UINT32 Esi;
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UINT32 Edi;
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UINT32 Ebp;
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UINT32 Esp;
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} PEBS_RECORD;
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#pragma pack ()
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#define PHYSICAL_ADDRESS_MASK ((1ull << 32) - SIZE_4KB)
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/**
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Update page table to map the memory correctly in order to make the instruction
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which caused page fault execute successfully. And it also save the original page
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table to be restored in single-step exception. 32-bit firmware does not need it.
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@param PageTable PageTable Address.
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@param PFAddress The memory address which caused page fault exception.
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@param CpuIndex The index of the processor.
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@param ErrorCode The Error code of exception.
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@param IsValidPFAddress The flag indicates if SMM profile data need be added.
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**/
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VOID
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RestorePageTableAbove4G (
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UINT64 *PageTable,
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UINT64 PFAddress,
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UINTN CpuIndex,
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UINTN ErrorCode,
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BOOLEAN *IsValidPFAddress
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);
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/**
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Create SMM page table for S3 path.
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**/
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VOID
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InitSmmS3Cr3 (
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VOID
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);
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/**
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Allocate pages for creating 4KB-page based on 2MB-page when page fault happens.
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**/
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VOID
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InitPagesForPFHandler (
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VOID
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);
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#endif // _SMM_PROFILE_ARCH_H_
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