projects / mirror_edk2.git / blame
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1 | /** @file\r |
| 2 | SMM profile header file.\r | |
| 3 | \r | |
| 4 | Copyright (c) 2012 - 2015, Intel Corporation. All rights reserved.<BR>\r | |
| 5 | This program and the accompanying materials\r | |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 7 | which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | http://opensource.org/licenses/bsd-license.php\r | |
| 9 | \r | |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 12 | \r | |
| 13 | **/\r | |
| 14 | \r | |
| 15 | #ifndef _SMM_PROFILE_H_\r | |
| 16 | #define _SMM_PROFILE_H_\r | |
| 17 | \r | |
| 18 | #include "SmmProfileInternal.h"\r | |
| 19 | \r | |
| 20 | ///\r | |
| 21 | /// MSR Register Index\r | |
| 22 | ///\r | |
| 23 | #define MSR_IA32_MISC_ENABLE 0x1A0\r | |
| 24 | \r | |
| 25 | //\r | |
| 26 | // External functions\r | |
| 27 | //\r | |
| 28 | \r | |
| 29 | /**\r | |
| 30 | Initialize processor environment for SMM profile.\r | |
| 31 | \r | |
| 32 | @param CpuIndex The index of the processor.\r | |
| 33 | \r | |
| 34 | **/\r | |
| 35 | VOID\r | |
| 36 | ActivateSmmProfile (\r | |
| 37 | IN UINTN CpuIndex\r | |
| 38 | );\r | |
| 39 | \r | |
| 40 | /**\r | |
| 41 | Initialize SMM profile in SMM CPU entry point.\r | |
| 42 | \r | |
| 43 | @param[in] Cr3 The base address of the page tables to use in SMM.\r | |
| 44 | \r | |
| 45 | **/\r | |
| 46 | VOID\r | |
| 47 | InitSmmProfile (\r | |
| 48 | UINT32 Cr3\r | |
| 49 | );\r | |
| 50 | \r | |
| 51 | /**\r | |
| 52 | Increase SMI number in each SMI entry.\r | |
| 53 | \r | |
| 54 | **/\r | |
| 55 | VOID\r | |
| 56 | SmmProfileRecordSmiNum (\r | |
| 57 | VOID\r | |
| 58 | );\r | |
| 59 | \r | |
| 60 | /**\r | |
| 61 | The Page fault handler to save SMM profile data.\r | |
| 62 | \r | |
| 63 | @param Rip The RIP when exception happens.\r | |
| 64 | @param ErrorCode The Error code of exception.\r | |
| 65 | \r | |
| 66 | **/\r | |
| 67 | VOID\r | |
| 68 | SmmProfilePFHandler (\r | |
| 69 | UINTN Rip,\r | |
| 70 | UINTN ErrorCode\r | |
| 71 | );\r | |
| 72 | \r | |
| 73 | /**\r | |
| 74 | Updates page table to make some memory ranges (like system memory) absent\r | |
| 75 | and make some memory ranges (like MMIO) present and execute disable. It also\r | |
| 76 | update 2MB-page to 4KB-page for some memory ranges.\r | |
| 77 | \r | |
| 78 | **/\r | |
| 79 | VOID\r | |
| 80 | SmmProfileStart (\r | |
| 81 | VOID\r | |
| 82 | );\r | |
| 83 | \r | |
| 84 | /**\r | |
| 85 | Page fault IDT handler for SMM Profile.\r | |
| 86 | \r | |
| 87 | **/\r | |
| 88 | VOID\r | |
| 89 | EFIAPI\r | |
| 90 | PageFaultIdtHandlerSmmProfile (\r | |
| 91 | VOID\r | |
| 92 | );\r | |
| 93 | \r | |
| 94 | \r | |
| 95 | /**\r | |
| 96 | Check if XD feature is supported by a processor.\r | |
| 97 | \r | |
| 98 | **/\r | |
| 99 | VOID\r | |
| 100 | CheckFeatureSupported (\r | |
| 101 | VOID\r | |
| 102 | );\r | |
| 103 | \r | |
| 104 | /**\r | |
| 105 | Enable XD feature.\r | |
| 106 | \r | |
| 107 | **/\r | |
| 108 | VOID\r | |
| 109 | ActivateXd (\r | |
| 110 | VOID\r | |
| 111 | );\r | |
| 112 | \r | |
| 113 | /**\r | |
| 114 | Update page table according to protected memory ranges and the 4KB-page mapped memory ranges.\r | |
| 115 | \r | |
| 116 | **/\r | |
| 117 | VOID\r | |
| 118 | InitPaging (\r | |
| 119 | VOID\r | |
| 120 | );\r | |
| 121 | \r | |
| 122 | /**\r | |
| 123 | Check if XD and BTS features are supported by all processors.\r | |
| 124 | \r | |
| 125 | **/\r | |
| 126 | VOID\r | |
| 127 | CheckProcessorFeature (\r | |
| 128 | VOID\r | |
| 129 | );\r | |
| 130 | \r | |
| 131 | extern BOOLEAN mXdSupported;\r | |
| 132 | extern BOOLEAN mXdEnabled;\r | |
| 133 | \r | |
| 134 | #endif // _SMM_PROFILE_H_\r |