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00001 /*++ NDK Version: 0095
00002 
00003 Copyright (c) Alex Ionescu.  All rights reserved.
00004 
00005 Header Name:
00006 
00007     mmtypes.h (AMD64)
00008 
00009 Abstract:
00010 
00011     AMD64 Type definitions for the Memory Manager
00012 
00013 Author:
00014 
00015     Alex Ionescu (alex.ionescu@reactos.com)   06-Oct-2004
00016     Timo Kreuzer (timo.kreuzer@reactos.com)   15-Aug-2008
00017 
00018 --*/
00019 
00020 #ifndef _AMD64_MMTYPES_H
00021 #define _AMD64_MMTYPES_H
00022 
00023 //
00024 // Dependencies
00025 //
00026 
00027 //
00028 // Page-related Macros
00029 //
00030 #define PAGE_SIZE                         0x1000
00031 #define PAGE_SHIFT                        12L
00032 #define MM_ALLOCATION_GRANULARITY         0x10000
00033 #define MM_ALLOCATION_GRANULARITY_SHIFT   16L
00034 
00035 //
00036 // Address of the shared user page
00037 //
00038 #define MM_SHARED_USER_DATA_VA 0x7FFE0000ULL
00039 
00040 //
00041 // Sanity checks for Paging Macros
00042 //
00043 #ifdef C_ASSERT
00044 C_ASSERT(PAGE_SIZE == (1 << PAGE_SHIFT));
00045 C_ASSERT(MM_ALLOCATION_GRANULARITY == (1 << MM_ALLOCATION_GRANULARITY_SHIFT));
00046 C_ASSERT(MM_ALLOCATION_GRANULARITY &&
00047          !(MM_ALLOCATION_GRANULARITY & (MM_ALLOCATION_GRANULARITY - 1)));
00048 C_ASSERT(MM_ALLOCATION_GRANULARITY >= PAGE_SIZE);
00049 #endif
00050 
00051 //
00052 // Page Table Entry Definitions
00053 //
00054 typedef struct _HARDWARE_PTE
00055 {
00056     ULONG64 Valid:1;
00057     ULONG64 Write:1;
00058     ULONG64 Owner:1;
00059     ULONG64 WriteThrough:1;
00060     ULONG64 CacheDisable:1;
00061     ULONG64 Accessed:1;
00062     ULONG64 Dirty:1;
00063     ULONG64 LargePage:1;
00064     ULONG64 Global:1;
00065     ULONG64 CopyOnWrite:1;
00066     ULONG64 Prototype:1;
00067     ULONG64 reserved0:1;
00068     ULONG64 PageFrameNumber:28;
00069     ULONG64 reserved1:12;
00070     ULONG64 SoftwareWsIndex:11;
00071     ULONG64 NoExecute:1;
00072 } HARDWARE_PTE, *PHARDWARE_PTE;
00073 
00074 typedef struct _MMPTE_SOFTWARE
00075 {
00076     ULONG64 Valid:1;
00077     ULONG64 PageFileLow:4;
00078     ULONG64 Protection:5;
00079     ULONG64 Prototype:1;
00080     ULONG64 Transition:1;
00081     ULONG64 UsedPageTableEntries:10;
00082     ULONG64 Reserved:10;
00083     ULONG64 PageFileHigh:32;
00084 } MMPTE_SOFTWARE, *PMMPTE_SOFTWARE;
00085 
00086 typedef struct _MMPTE_TRANSITION
00087 {
00088     ULONG64 Valid:1;
00089     ULONG64 Write:1;
00090     ULONG64 Owner:1;
00091     ULONG64 WriteThrough:1;
00092     ULONG64 CacheDisable:1;
00093     ULONG64 Protection:5;
00094     ULONG64 Prototype:1;
00095     ULONG64 Transition:1;
00096 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
00097     ULONG64 PageFrameNumber:36;
00098     ULONG64 Unused:16;
00099 #else
00100     ULONG64 PageFrameNumber:28;
00101     ULONG64 Unused:24;
00102 #endif
00103 } MMPTE_TRANSITION;
00104 
00105 typedef struct _MMPTE_PROTOTYPE
00106 {
00107     ULONG64 Valid:1;
00108     ULONG64 Unused0:7;
00109     ULONG64 ReadOnly:1;
00110     ULONG64 Unused1:1;
00111     ULONG64 Prototype:1;
00112     ULONG64 Protection:5;
00113     LONG64 ProtoAddress:48;
00114 } MMPTE_PROTOTYPE;
00115 
00116 typedef struct _MMPTE_SUBSECTION
00117 {
00118     ULONG64 Valid:1;
00119     ULONG64 Unused0:4;
00120     ULONG64 Protection:5;
00121     ULONG64 Prototype:1;
00122     ULONG64 Unused1:5;
00123     LONG64 SubsectionAddress:48;
00124 } MMPTE_SUBSECTION;
00125 
00126 typedef struct _MMPTE_LIST
00127 {
00128     ULONG64 Valid:1;
00129     ULONG64 OneEntry:1;
00130     ULONG64 filler0:3;
00131     ULONG64 Protection:5;
00132     ULONG64 Prototype:1;
00133     ULONG64 Transition:1;
00134     ULONG64 filler1:20;
00135     ULONG64 NextEntry:32;
00136 } MMPTE_LIST;
00137 
00138 typedef struct _MMPTE_HARDWARE
00139 {
00140     ULONG64 Valid:1;
00141 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
00142     ULONG64 Dirty1:1;
00143 #else
00144 #ifdef CONFIG_SMP
00145     ULONG64 Writable:1;
00146 #else
00147     ULONG64 Write:1;
00148 #endif
00149 #endif
00150     ULONG64 Owner:1;
00151     ULONG64 WriteThrough:1;
00152     ULONG64 CacheDisable:1;
00153     ULONG64 Accessed:1;
00154     ULONG64 Dirty:1;
00155     ULONG64 LargePage:1;
00156     ULONG64 Global:1;
00157     ULONG64 CopyOnWrite:1;
00158     ULONG64 Prototype:1;
00159 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
00160     ULONG64 Write:1;
00161     ULONG64 PageFrameNumber:36;
00162     ULONG64 reserved1:4;
00163 #else
00164 #ifdef CONFIG_SMP
00165     ULONG64 Write:1;
00166 #else
00167     ULONG64 reserved0:1;
00168 #endif
00169     ULONG64 PageFrameNumber:28;
00170     ULONG64 reserved1:12;
00171 #endif
00172     ULONG64 SoftwareWsIndex:11;
00173     ULONG64 NoExecute:1;
00174 } MMPTE_HARDWARE, *PMMPTE_HARDWARE;
00175 
00176 typedef struct _MMPTE_HARDWARE_LARGEPAGE
00177 {
00178     ULONG64 Valid:1;
00179     ULONG64 Write:1;
00180     ULONG64 Owner:1;
00181     ULONG64 WriteThrough:1;
00182     ULONG64 CacheDisable:1;
00183     ULONG64 Accessed:1;
00184     ULONG64 Dirty:1;
00185     ULONG64 LargePage:1;
00186     ULONG64 Global:1;
00187     ULONG64 CopyOnWrite:1;
00188     ULONG64 Prototype:1;
00189     ULONG64 reserved0:1;
00190     ULONG64 PAT:1;
00191     ULONG64 reserved1:8;
00192 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
00193     ULONG64 PageFrameNumber:27;
00194     ULONG64 reserved2:16;
00195 #else
00196     ULONG64 PageFrameNumber:19;
00197     ULONG64 reserved2:24;
00198 #endif
00199 } MMPTE_HARDWARE_LARGEPAGE, *PMMPTE_HARDWARE_LARGEPAGE;
00200 
00201 
00202 #endif // !AMD64_MMTYPES_H
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