+++ /dev/null
-/*++ \r
-\r
-Copyright (c) 2006, Intel Corporation \r
-All rights reserved. This program and the accompanying materials \r
-are licensed and made available under the terms and conditions of the BSD License \r
-which accompanies this distribution. The full text of the license may be found at \r
-http://opensource.org/licenses/bsd-license.php \r
- \r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
-\r
-Module Name:\r
- VirtualMemory.h\r
- \r
-Abstract:\r
-\r
- x64 Long Mode Virtual Memory Management Definitions \r
-\r
- References:\r
- 1) IA-32 Intel(R) Atchitecture Software Developer's Manual Volume 1:Basic Architecture, Intel\r
- 2) IA-32 Intel(R) Atchitecture Software Developer's Manual Volume 2:Instruction Set Reference, Intel\r
- 3) IA-32 Intel(R) Atchitecture Software Developer's Manual Volume 3:System Programmer's Guide, Intel\r
- 4) AMD64 Architecture Programmer's Manual Volume 2: System Programming\r
---*/ \r
-#ifndef _VIRTUAL_MEMORY_H_\r
-#define _VIRTUAL_MEMORY_H_\r
-\r
-\r
-#define SYS_CODE64_SEL 0x38\r
-\r
-#pragma pack(1)\r
-\r
-typedef union {\r
- struct {\r
- UINT32 LimitLow : 16;\r
- UINT32 BaseLow : 16;\r
- UINT32 BaseMid : 8;\r
- UINT32 Type : 4;\r
- UINT32 System : 1;\r
- UINT32 Dpl : 2;\r
- UINT32 Present : 1;\r
- UINT32 LimitHigh : 4;\r
- UINT32 Software : 1;\r
- UINT32 Reserved : 1;\r
- UINT32 DefaultSize : 1;\r
- UINT32 Granularity : 1;\r
- UINT32 BaseHigh : 8;\r
- } Bits;\r
- UINT64 Uint64;\r
-} IA32_GDT;\r
-\r
-//\r
-// Page-Map Level-4 Offset (PML4) and\r
-// Page-Directory-Pointer Offset (PDPE) entries 4K & 2MB\r
-//\r
-\r
-typedef union {\r
- struct {\r
- UINT64 Present:1; // 0 = Not present in memory, 1 = Present in memory\r
- UINT64 ReadWrite:1; // 0 = Read-Only, 1= Read/Write\r
- UINT64 UserSupervisor:1; // 0 = Supervisor, 1=User\r
- UINT64 WriteThrough:1; // 0 = Write-Back caching, 1=Write-Through caching\r
- UINT64 CacheDisabled:1; // 0 = Cached, 1=Non-Cached\r
- UINT64 Accessed:1; // 0 = Not accessed, 1 = Accessed (set by CPU)\r
- UINT64 Reserved:1; // Reserved\r
- UINT64 MustBeZero:2; // Must Be Zero\r
- UINT64 Available:3; // Available for use by system software\r
- UINT64 PageTableBaseAddress:40; // Page Table Base Address\r
- UINT64 AvabilableHigh:11; // Available for use by system software\r
- UINT64 Nx:1; // No Execute bit\r
- } Bits;\r
- UINT64 Uint64;\r
-} PAGE_MAP_AND_DIRECTORY_POINTER;\r
-\r
-//\r
-// Page Table Entry 2MB\r
-//\r
-typedef union {\r
- struct {\r
- UINT64 Present:1; // 0 = Not present in memory, 1 = Present in memory\r
- UINT64 ReadWrite:1; // 0 = Read-Only, 1= Read/Write\r
- UINT64 UserSupervisor:1; // 0 = Supervisor, 1=User\r
- UINT64 WriteThrough:1; // 0 = Write-Back caching, 1=Write-Through caching\r
- UINT64 CacheDisabled:1; // 0 = Cached, 1=Non-Cached\r
- UINT64 Accessed:1; // 0 = Not accessed, 1 = Accessed (set by CPU)\r
- UINT64 Dirty:1; // 0 = Not Dirty, 1 = written by processor on access to page\r
- UINT64 MustBe1:1; // Must be 1 \r
- UINT64 Global:1; // 0 = Not global page, 1 = global page TLB not cleared on CR3 write\r
- UINT64 Available:3; // Available for use by system software\r
- UINT64 PAT:1; //\r
- UINT64 MustBeZero:8; // Must be zero;\r
- UINT64 PageTableBaseAddress:31; // Page Table Base Address\r
- UINT64 AvabilableHigh:11; // Available for use by system software\r
- UINT64 Nx:1; // 0 = Execute Code, 1 = No Code Execution\r
- } Bits;\r
- UINT64 Uint64;\r
-} PAGE_TABLE_ENTRY;\r
-\r
-#pragma pack()\r
-\r
-UINTN\r
-CreateIdentityMappingPageTables (\r
- VOID\r
- )\r
-;\r
-\r
-#endif \r