mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
145 lines
3.4 KiB
145 lines
3.4 KiB
/*++
|
|
|
|
Copyright (c) 1990 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
dataamd.c
|
|
|
|
Abstract:
|
|
|
|
This module contains the private hardware specific global storage for
|
|
the memory management subsystem.
|
|
|
|
Author:
|
|
|
|
Landy Wang (landyw) 08-Apr-2000
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
|
|
#include "mi.h"
|
|
|
|
//
|
|
// A zero Pte.
|
|
//
|
|
|
|
const MMPTE ZeroPte = { 0 };
|
|
|
|
//
|
|
// A kernel zero PTE.
|
|
//
|
|
|
|
const MMPTE ZeroKernelPte = {0x0};
|
|
|
|
MMPTE ValidKernelPte = { MM_PTE_VALID_MASK |
|
|
MM_PTE_WRITE_MASK |
|
|
MM_PTE_GLOBAL_MASK |
|
|
MM_PTE_DIRTY_MASK |
|
|
MM_PTE_ACCESS_MASK };
|
|
|
|
const MMPTE ValidKernelPteLocal = { MM_PTE_VALID_MASK |
|
|
MM_PTE_WRITE_MASK |
|
|
MM_PTE_DIRTY_MASK |
|
|
MM_PTE_ACCESS_MASK };
|
|
|
|
|
|
const MMPTE ValidUserPte = { MM_PTE_VALID_MASK |
|
|
MM_PTE_WRITE_MASK |
|
|
MM_PTE_OWNER_MASK |
|
|
MM_PTE_DIRTY_MASK |
|
|
MM_PTE_ACCESS_MASK };
|
|
|
|
|
|
const MMPTE ValidPtePte = { MM_PTE_VALID_MASK |
|
|
MM_PTE_WRITE_MASK |
|
|
MM_PTE_DIRTY_MASK |
|
|
MM_PTE_ACCESS_MASK };
|
|
|
|
|
|
const MMPTE ValidPdePde = { MM_PTE_VALID_MASK |
|
|
MM_PTE_WRITE_MASK |
|
|
MM_PTE_DIRTY_MASK |
|
|
MM_PTE_ACCESS_MASK };
|
|
|
|
|
|
MMPTE ValidKernelPde = { MM_PTE_VALID_MASK |
|
|
MM_PTE_WRITE_MASK |
|
|
MM_PTE_GLOBAL_MASK |
|
|
MM_PTE_DIRTY_MASK |
|
|
MM_PTE_ACCESS_MASK };
|
|
|
|
const MMPTE ValidKernelPdeLocal = { MM_PTE_VALID_MASK |
|
|
MM_PTE_WRITE_MASK |
|
|
MM_PTE_DIRTY_MASK |
|
|
MM_PTE_ACCESS_MASK };
|
|
|
|
|
|
MMPTE DemandZeroPde = { MM_READWRITE << MM_PROTECT_FIELD_SHIFT };
|
|
|
|
|
|
const MMPTE DemandZeroPte = { MM_READWRITE << MM_PROTECT_FIELD_SHIFT };
|
|
|
|
|
|
const MMPTE TransitionPde = { MM_PTE_WRITE_MASK |
|
|
MM_PTE_OWNER_MASK |
|
|
MM_PTE_TRANSITION_MASK |
|
|
MM_READWRITE << MM_PROTECT_FIELD_SHIFT };
|
|
|
|
MMPTE PrototypePte = { (MI_PTE_LOOKUP_NEEDED << 32) |
|
|
MM_PTE_PROTOTYPE_MASK |
|
|
MM_READWRITE << MM_PROTECT_FIELD_SHIFT };
|
|
|
|
//
|
|
// PTE which generates an access violation when referenced.
|
|
//
|
|
|
|
const MMPTE NoAccessPte = {MM_NOACCESS << MM_PROTECT_FIELD_SHIFT };
|
|
|
|
//
|
|
// Pool start and end.
|
|
//
|
|
|
|
PVOID MmNonPagedPoolStart;
|
|
|
|
PVOID MmNonPagedPoolEnd = (PVOID)MM_NONPAGED_POOL_END;
|
|
|
|
const PVOID MmPagedPoolStart = (PVOID)MM_PAGED_POOL_START;
|
|
|
|
PVOID MmPagedPoolEnd;
|
|
|
|
//
|
|
// Color tables for free and zeroed pages.
|
|
//
|
|
|
|
PMMCOLOR_TABLES MmFreePagesByColor[2];
|
|
|
|
//
|
|
// Color tables for modified pages destined for the paging file.
|
|
//
|
|
|
|
MMPFNLIST MmModifiedPageListByColor[MM_MAXIMUM_NUMBER_OF_COLORS] = {
|
|
0, ModifiedPageList, MM_EMPTY_LIST, MM_EMPTY_LIST};
|
|
|
|
//
|
|
// Count of the number of modified pages destined for the paging file.
|
|
//
|
|
|
|
PFN_NUMBER MmTotalPagesForPagingFile = 0;
|
|
|
|
//
|
|
// PTE reserved for mapping pages for the debugger.
|
|
//
|
|
|
|
PMMPTE MmDebugPte;
|
|
PVOID MmDebugVa;
|
|
|
|
//
|
|
// 16 PTEs reserved for mapping MDLs (64k max).
|
|
//
|
|
|
|
PMMPTE MmCrashDumpPte;
|
|
PVOID MmCrashDumpVa;
|
|
|
|
ULONG_PTR MmBootImageSize;
|