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/** @file
X64 processor specific header file to enable SMM profile.
Copyright (c) 2012 - 2024, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _SMM_PROFILE_ARCH_H_
#define _SMM_PROFILE_ARCH_H_
#pragma pack (1)
typedef struct _MSR_DS_AREA_STRUCT {
UINT64 BTSBufferBase;
UINT64 BTSIndex;
UINT64 BTSAbsoluteMaximum;
UINT64 BTSInterruptThreshold;
UINT64 PEBSBufferBase;
UINT64 PEBSIndex;
UINT64 PEBSAbsoluteMaximum;
UINT64 PEBSInterruptThreshold;
UINT64 PEBSCounterReset[2];
UINT64 Reserved;
} MSR_DS_AREA_STRUCT;
typedef struct _BRANCH_TRACE_RECORD {
UINT64 LastBranchFrom;
UINT64 LastBranchTo;
UINT64 Rsvd0 : 4;
UINT64 BranchPredicted : 1;
UINT64 Rsvd1 : 59;
} BRANCH_TRACE_RECORD;
typedef struct _PEBS_RECORD {
UINT64 Rflags;
UINT64 LinearIP;
UINT64 Rax;
UINT64 Rbx;
UINT64 Rcx;
UINT64 Rdx;
UINT64 Rsi;
UINT64 Rdi;
UINT64 Rbp;
UINT64 Rsp;
UINT64 R8;
UINT64 R9;
UINT64 R10;
UINT64 R11;
UINT64 R12;
UINT64 R13;
UINT64 R14;
UINT64 R15;
} PEBS_RECORD;
#pragma pack ()
extern BOOLEAN m1GPageTableSupport;
#define PHYSICAL_ADDRESS_MASK ((1ull << 52) - SIZE_4KB)
/**
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.
@param PageTable PageTable Address.
@param PFAddress The memory address which caused page fault exception.
@param CpuIndex The index of the processor.
@param ErrorCode The Error code of exception.
@param IsValidPFAddress The flag indicates if SMM profile data need be added.
**/
VOID
RestorePageTableAbove4G (
UINT64 *PageTable,
UINT64 PFAddress,
UINTN CpuIndex,
UINTN ErrorCode,
BOOLEAN *IsValidPFAddress
);
/**
Create SMM page table for S3 path.
@param[out] Cr3 The base address of the page tables.
**/
VOID
InitSmmS3Cr3 (
OUT UINTN *Cr3
);
/**
Allocate pages for creating 4KB-page based on 2MB-page when page fault happens.
**/
VOID
InitPagesForPFHandler (
VOID
);
/**
Set sub-entries number in entry.
@param[in, out] Entry Pointer to entry
@param[in] SubEntryNum Sub-entries number based on 0:
0 means there is 1 sub-entry under this entry
0x1ff means there is 512 sub-entries under this entry
**/
VOID
SetSubEntriesNum (
IN OUT UINT64 *Entry,
IN UINT64 SubEntryNum
);
/**
Return sub-entries number in entry.
@param[in] Entry Pointer to entry
@return Sub-entries number based on 0:
0 means there is 1 sub-entry under this entry
0x1ff means there is 512 sub-entries under this entry
**/
UINT64
GetSubEntriesNum (
IN UINT64 *Entry
);
/**
Allocate free Page for PageFault handler use.
@return Page address.
**/
UINT64
AllocPage (
VOID
);
/**
Set access record in entry.
@param[in, out] Entry Pointer to entry
@param[in] Acc Access record value
**/
VOID
SetAccNum (
IN OUT UINT64 *Entry,
IN UINT64 Acc
);
#endif // _SMM_PROFILE_ARCH_H_
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