Taken from MdeModulePkg/Core/DxeIplPeim/X64/VirtualMemory.h. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <[email protected]> Cc: Michael D Kinney <[email protected]> --- MdePkg/Include/IndustryStandard/X64Paging.h | 99 +++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 MdePkg/Include/IndustryStandard/X64Paging.h
diff --git a/MdePkg/Include/IndustryStandard/X64Paging.h b/MdePkg/Include/IndustryStandard/X64Paging.h new file mode 100644 index 0000000..8450be3 --- /dev/null +++ b/MdePkg/Include/IndustryStandard/X64Paging.h @@ -0,0 +1,99 @@ +/** @file + X64 Long Mode Virtual Memory Management Definitions + + References: + 1) IA-32 Intel(R) Architecture Software Developer's Manual Volume 1:Basic Architecture, Intel + 2) IA-32 Intel(R) Architecture Software Developer's Manual Volume 2:Instruction Set Reference, Intel + 3) IA-32 Intel(R) Architecture Software Developer's Manual Volume 3:System Programmer's Guide, Intel + 4) AMD64 Architecture Programmer's Manual Volume 2: System Programming + +Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR> +This program and the accompanying materials +are licensed and made available under the terms and conditions of the BSD License +which accompanies this distribution. The full text of the license may be found at +http://opensource.org/licenses/bsd-license.php + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ +#ifndef _X64_PAGING_H_ +#define _X64_PAGING_H_ + +#pragma pack(1) + +// +// Page-Map Level-4 Offset (PML4) and +// Page-Directory-Pointer Offset (PDPE) entries 4K & 2MB +// + +typedef union { + struct { + UINT64 Present:1; // 0 = Not present in memory, 1 = Present in memory + UINT64 ReadWrite:1; // 0 = Read-Only, 1= Read/Write + UINT64 UserSupervisor:1; // 0 = Supervisor, 1=User + UINT64 WriteThrough:1; // 0 = Write-Back caching, 1=Write-Through caching + UINT64 CacheDisabled:1; // 0 = Cached, 1=Non-Cached + UINT64 Accessed:1; // 0 = Not accessed, 1 = Accessed (set by CPU) + UINT64 Reserved:1; // Reserved + UINT64 MustBeZero:2; // Must Be Zero + UINT64 Available:3; // Available for use by system software + UINT64 PageTableBaseAddress:40; // Page Table Base Address + UINT64 AvabilableHigh:11; // Available for use by system software + UINT64 Nx:1; // No Execute bit + } Bits; + UINT64 Uint64; +} X64_PAGE_MAP_AND_DIRECTORY_POINTER; + +// +// Page Table Entry 2MB +// +typedef union { + struct { + UINT64 Present:1; // 0 = Not present in memory, 1 = Present in memory + UINT64 ReadWrite:1; // 0 = Read-Only, 1= Read/Write + UINT64 UserSupervisor:1; // 0 = Supervisor, 1=User + UINT64 WriteThrough:1; // 0 = Write-Back caching, 1=Write-Through caching + UINT64 CacheDisabled:1; // 0 = Cached, 1=Non-Cached + UINT64 Accessed:1; // 0 = Not accessed, 1 = Accessed (set by CPU) + UINT64 Dirty:1; // 0 = Not Dirty, 1 = written by processor on access to page + UINT64 MustBe1:1; // Must be 1 + UINT64 Global:1; // 0 = Not global page, 1 = global page TLB not cleared on CR3 write + UINT64 Available:3; // Available for use by system software + UINT64 PAT:1; // + UINT64 MustBeZero:8; // Must be zero; + UINT64 PageTableBaseAddress:31; // Page Table Base Address + UINT64 AvabilableHigh:11; // Available for use by system software + UINT64 Nx:1; // 0 = Execute Code, 1 = No Code Execution + } Bits; + UINT64 Uint64; +} X64_PAGE_TABLE_ENTRY; + +// +// Page Table Entry 1GB +// +typedef union { + struct { + UINT64 Present:1; // 0 = Not present in memory, 1 = Present in memory + UINT64 ReadWrite:1; // 0 = Read-Only, 1= Read/Write + UINT64 UserSupervisor:1; // 0 = Supervisor, 1=User + UINT64 WriteThrough:1; // 0 = Write-Back caching, 1=Write-Through caching + UINT64 CacheDisabled:1; // 0 = Cached, 1=Non-Cached + UINT64 Accessed:1; // 0 = Not accessed, 1 = Accessed (set by CPU) + UINT64 Dirty:1; // 0 = Not Dirty, 1 = written by processor on access to page + UINT64 MustBe1:1; // Must be 1 + UINT64 Global:1; // 0 = Not global page, 1 = global page TLB not cleared on CR3 write + UINT64 Available:3; // Available for use by system software + UINT64 PAT:1; // + UINT64 MustBeZero:17; // Must be zero; + UINT64 PageTableBaseAddress:22; // Page Table Base Address + UINT64 AvabilableHigh:11; // Available for use by system software + UINT64 Nx:1; // 0 = Execute Code, 1 = No Code Execution + } Bits; + UINT64 Uint64; +} X64_PAGE_TABLE_1G_ENTRY; + +#pragma pack() + +#endif + -- 1.7.10.4 ------------------------------------------------------------------------------ See everything from the browser to the database with AppDynamics Get end-to-end visibility with application monitoring from AppDynamics Isolate bottlenecks and diagnose root cause in seconds. Start your free trial of AppDynamics Pro today! http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk _______________________________________________ edk2-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/edk2-devel
