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/*++
Copyright (c) 1990 Microsoft Corporation
Module Name:
data386.c
Abstract:
This module contains the private hardware specific global storage for
the memory management subsystem.
Author:
Lou Perazzoli (loup) 22-Jan-1990
Revision History:
--*/
#include "mi.h"
//
// A zero Pte.
//
MMPTE ZeroPte = { 0 };
//
// A kernel zero PTE.
//
MMPTE ZeroKernelPte = {0x0};
ULONG MmPteGlobal = 0; // Set to one later if processor supports Global Page
MMPTE ValidKernelPte = { MM_PTE_VALID_MASK |
MM_PTE_WRITE_MASK |
MM_PTE_DIRTY_MASK |
MM_PTE_ACCESS_MASK };
// NOTE - MM_PTE_GLOBAL_MASK or'ed in later if processor supports Global Page
MMPTE ValidUserPte = { MM_PTE_VALID_MASK |
MM_PTE_WRITE_MASK |
MM_PTE_OWNER_MASK |
MM_PTE_DIRTY_MASK |
MM_PTE_ACCESS_MASK };
MMPTE ValidPtePte = { MM_PTE_VALID_MASK |
MM_PTE_WRITE_MASK |
MM_PTE_DIRTY_MASK |
MM_PTE_ACCESS_MASK };
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_DIRTY_MASK |
MM_PTE_ACCESS_MASK };
// NOTE - MM_PTE_GLOBAL_MASK or'ed in later if processor supports Global Page
MMPTE DemandZeroPde = { MM_READWRITE << 5 };
MMPTE DemandZeroPte = { MM_READWRITE << 5 };
MMPTE TransitionPde = { MM_PTE_WRITE_MASK |
MM_PTE_OWNER_MASK |
MM_PTE_TRANSITION_MASK |
MM_READWRITE << 5 };
MMPTE PrototypePte = { 0xFFFFF000 |
MM_PTE_PROTOTYPE_MASK |
MM_READWRITE << 5 };
//
// PTE which generates an access violation when referenced.
//
MMPTE NoAccessPte = {MM_NOACCESS << 5};
//
// Pool start and end.
//
PVOID MmNonPagedPoolStart;
PVOID MmNonPagedPoolEnd = (PVOID)MM_NONPAGED_POOL_END;
PVOID MmPagedPoolStart = (PVOID)MM_PAGED_POOL_START;
PVOID MmPagedPoolEnd;
ULONG MmKseg2Frame;
//
// Color tables for free and zeroed pages.
//
#if MM_MAXIMUM_NUMBER_OF_COLORS > 1
MMPFNLIST MmFreePagesByPrimaryColor[2][MM_MAXIMUM_NUMBER_OF_COLORS];
#endif
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};
ULONG MmSecondaryColorMask;
//
// Count of the number of modified pages destined for the paging file.
//
ULONG MmTotalPagesForPagingFile = 0;
//
// Pte reserved for mapping pages for the debugger.
//
PMMPTE MmDebugPte = (MiGetPteAddress(MM_DEBUG_VA));
//
// 16 PTEs reserved for mapping MDLs (64k max).
//
PMMPTE MmCrashDumpPte = (MiGetPteAddress(MM_CRASH_DUMP_VA));
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