reactos/include/ndk/i386/mmtypes.h

   1 /*++ NDK Version: 0095
   2
   3 Copyright (c) Alex Ionescu.  All rights reserved.
   4
   5 Header Name:
   6
   7     mmtypes.h (X86)
   8
   9 Abstract:
  10
  11     i386 Type definitions for the Memory Manager
  12
  13 Author:
  14
  15     Alex Ionescu (alex.ionescu@reactos.com)   06-Oct-2004
  16
  17 --*/
  18
  19 #ifndef _I386_MMTYPES_H
  20 #define _I386_MMTYPES_H
  21
  22 //
  23 // Dependencies
  24 //
  25
  26 //
  27 // Page-related Macros
  28 //
  29 #define PAGE_SIZE                         0x1000
  30 #define PAGE_SHIFT                        12L
  31
  32 //
  33 // Page Table Entry Definitions
  34 //
  35 typedef struct _HARDWARE_PTE_X86
  36 {
  37     ULONG Valid:1;
  38     ULONG Write:1;
  39     ULONG Owner:1;
  40     ULONG WriteThrough:1;
  41     ULONG CacheDisable:1;
  42     ULONG Accessed:1;
  43     ULONG Dirty:1;
  44     ULONG LargePage:1;
  45     ULONG Global:1;
  46     ULONG CopyOnWrite:1;
  47     ULONG Prototype: 1;
  48     ULONG reserved: 1;
  49     ULONG PageFrameNumber:20;
  50 } HARDWARE_PTE_X86, *PHARDWARE_PTE_X86;
  51
  52 typedef struct _MMPTE_SOFTWARE
  53 {
  54     ULONG Valid:1;
  55     ULONG PageFileLow:4;
  56     ULONG Protection:5;
  57     ULONG Prototype:1;
  58     ULONG Transition:1;
  59     ULONG PageFileHigh:20;
  60 } MMPTE_SOFTWARE;
  61
  62 typedef struct _MMPTE_TRANSITION
  63 {
  64     ULONG Valid:1;
  65     ULONG Write:1;
  66     ULONG Owner:1;
  67     ULONG WriteThrough:1;
  68     ULONG CacheDisable:1;
  69     ULONG Protection:5;
  70     ULONG Prototype:1;
  71     ULONG Transition:1;
  72     ULONG PageFrameNumber:20;
  73 } MMPTE_TRANSITION;
  74
  75 typedef struct _MMPTE_PROTOTYPE
  76 {
  77     ULONG Valid:1;
  78     ULONG ProtoAddressLow:7;
  79     ULONG ReadOnly:1;
  80     ULONG WhichPool:1;
  81     ULONG Prototype:1;
  82     ULONG ProtoAddressHigh:21;
  83 } MMPTE_PROTOTYPE;
  84
  85 typedef struct _MMPTE_SUBSECTION
  86 {
  87     ULONG Valid:1;
  88     ULONG SubsectionAddressLow:4;
  89     ULONG Protection:5;
  90     ULONG Prototype:1;
  91     ULONG SubsectionAddressHigh:20;
  92     ULONG WhichPool:1;
  93 } MMPTE_SUBSECTION;
  94
  95 typedef struct _MMPTE_LIST
  96 {
  97     ULONG Valid:1;
  98     ULONG OneEntry:1;
  99     ULONG filler10:10;
 100     ULONG NextEntry:20;
 101 } MMPTE_LIST;
 102
 103 #ifndef CONFIG_SMP
 104
 105 typedef struct _MMPTE_HARDWARE
 106 {
 107     ULONG Valid:1;
 108     ULONG Write:1;
 109     ULONG Owner:1;
 110     ULONG WriteThrough:1;
 111     ULONG CacheDisable:1;
 112     ULONG Accessed:1;
 113     ULONG Dirty:1;
 114     ULONG LargePage:1;
 115     ULONG Global:1;
 116     ULONG CopyOnWrite:1;
 117     ULONG Prototype:1;
 118     ULONG reserved:1;
 119     ULONG PageFrameNumber:20;
 120 } MMPTE_HARDWARE, *PMMPTE_HARDWARE;
 121
 122 #else
 123
 124 typedef struct _MMPTE_HARDWARE
 125 {
 126     ULONG Valid:1;
 127     ULONG Writable:1;
 128     ULONG Owner:1;
 129     ULONG WriteThrough:1;
 130     ULONG CacheDisable:1;
 131     ULONG Accessed:1;
 132     ULONG Dirty:1;
 133     ULONG LargePage:1;
 134     ULONG Global:1;
 135     ULONG CopyOnWrite:1;
 136     ULONG Prototype:1;
 137     ULONG Write:1;
 138     ULONG PageFrameNumber:20;
 139 } MMPTE_HARDWARE, *PMMPTE_HARDWARE;
 140
 141 #endif
 142
 143 //
 144 // Use the right PTE structure
 145 //
 146 #define HARDWARE_PTE        HARDWARE_PTE_X86
 147 #define PHARDWARE_PTE       PHARDWARE_PTE_X86
 148
 149 #endif