| 1 | /** @file
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| 2 | SMM profile header file.
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| 3 |
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| 4 | Copyright (c) 2012 - 2016, Intel Corporation. All rights reserved.<BR>
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| 5 | This program and the accompanying materials
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| 6 | are licensed and made available under the terms and conditions of the BSD License
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| 7 | which accompanies this distribution. The full text of the license may be found at
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| 8 | http://opensource.org/licenses/bsd-license.php
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| 9 |
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| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 12 |
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| 13 | **/
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| 14 |
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| 15 | #ifndef _SMM_PROFILE_H_
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| 16 | #define _SMM_PROFILE_H_
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| 17 |
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| 18 | #include "SmmProfileInternal.h"
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| 19 |
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| 20 | //
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| 21 | // External functions
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| 22 | //
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| 23 |
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| 24 | /**
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| 25 | Initialize processor environment for SMM profile.
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| 26 |
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| 27 | @param CpuIndex The index of the processor.
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| 28 |
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| 29 | **/
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| 30 | VOID
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| 31 | ActivateSmmProfile (
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| 32 | IN UINTN CpuIndex
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| 33 | );
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| 34 |
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| 35 | /**
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| 36 | Initialize SMM profile in SMM CPU entry point.
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| 37 |
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| 38 | @param[in] Cr3 The base address of the page tables to use in SMM.
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| 39 |
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| 40 | **/
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| 41 | VOID
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| 42 | InitSmmProfile (
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| 43 | UINT32 Cr3
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| 44 | );
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| 45 |
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| 46 | /**
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| 47 | Increase SMI number in each SMI entry.
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| 48 |
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| 49 | **/
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| 50 | VOID
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| 51 | SmmProfileRecordSmiNum (
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| 52 | VOID
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| 53 | );
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| 54 |
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| 55 | /**
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| 56 | The Page fault handler to save SMM profile data.
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| 57 |
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| 58 | @param Rip The RIP when exception happens.
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| 59 | @param ErrorCode The Error code of exception.
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| 60 |
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| 61 | **/
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| 62 | VOID
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| 63 | SmmProfilePFHandler (
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| 64 | UINTN Rip,
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| 65 | UINTN ErrorCode
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| 66 | );
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| 67 |
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| 68 | /**
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| 69 | Updates page table to make some memory ranges (like system memory) absent
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| 70 | and make some memory ranges (like MMIO) present and execute disable. It also
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| 71 | update 2MB-page to 4KB-page for some memory ranges.
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| 72 |
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| 73 | **/
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| 74 | VOID
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| 75 | SmmProfileStart (
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| 76 | VOID
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| 77 | );
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| 78 |
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| 79 | /**
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| 80 | Page fault IDT handler for SMM Profile.
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| 81 |
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| 82 | **/
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| 83 | VOID
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| 84 | EFIAPI
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| 85 | PageFaultIdtHandlerSmmProfile (
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| 86 | VOID
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| 87 | );
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| 88 |
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| 89 |
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| 90 | /**
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| 91 | Check if XD feature is supported by a processor.
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| 92 |
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| 93 | **/
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| 94 | VOID
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| 95 | CheckFeatureSupported (
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| 96 | VOID
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| 97 | );
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| 98 |
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| 99 | /**
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| 100 | Update page table according to protected memory ranges and the 4KB-page mapped memory ranges.
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| 101 |
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| 102 | **/
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| 103 | VOID
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| 104 | InitPaging (
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| 105 | VOID
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| 106 | );
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| 107 |
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| 108 | /**
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| 109 | Get CPU Index from APIC ID.
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| 110 |
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| 111 | **/
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| 112 | UINTN
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| 113 | GetCpuIndex (
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| 114 | VOID
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| 115 | );
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| 116 |
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| 117 | //
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| 118 | // The flag indicates if execute-disable is supported by processor.
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| 119 | //
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| 120 | extern BOOLEAN mXdSupported;
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| 121 | //
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| 122 | // The flag indicates if execute-disable is enabled on processor.
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| 123 | //
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| 124 | extern BOOLEAN mXdEnabled;
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| 125 |
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| 126 | #endif // _SMM_PROFILE_H_
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