/*++ 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. // const MMPTE ZeroPte = { 0 }; // // A kernel zero PTE. // const MMPTE ZeroKernelPte = {0x0}; MMPTE MmPteGlobal = {0x0}; // Set global bit later if processor supports Global Page // // Note - MM_PTE_GLOBAL_MASK is or'ed into ValidKernelPte during // initialization if the processor supports Global Page. Use // ValidKernelPteLocal if you don't want the global bit (ie: for session // space). // MMPTE ValidKernelPte = { MM_PTE_VALID_MASK | MM_PTE_WRITE_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_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 }; // NOTE - MM_PTE_GLOBAL_MASK or'ed in later if processor supports Global Page MMPTE DemandZeroPde = { MM_READWRITE << 5 }; const MMPTE DemandZeroPte = { MM_READWRITE << 5 }; const MMPTE TransitionPde = { MM_PTE_WRITE_MASK | MM_PTE_OWNER_MASK | MM_PTE_TRANSITION_MASK | MM_READWRITE << 5 }; #if !defined (_X86PAE_) MMPTE PrototypePte = { 0xFFFFF000 | MM_PTE_PROTOTYPE_MASK | MM_READWRITE << 5 }; #else MMPTE PrototypePte = { (MI_PTE_LOOKUP_NEEDED << 32) | MM_PTE_PROTOTYPE_MASK | MM_READWRITE << 5 }; #endif // // PTE which generates an access violation when referenced. // const MMPTE NoAccessPte = {MM_NOACCESS << 5}; // // Pool start and end. // PVOID MmNonPagedPoolStart; PVOID MmNonPagedPoolEnd = (PVOID) MM_NONPAGED_POOL_END; PVOID MmPagedPoolStart = (PVOID) MM_DEFAULT_PAGED_POOL_START; PVOID MmPagedPoolEnd; PMMWSL MmWorkingSetList; ULONG MiMaximumWorkingSet = ((ULONG)((ULONG)2*1024*1024*1024 - 64*1024*1024) >> PAGE_SHIFT); //2Gb-64Mb // // 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. // 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)); // // Number of additional system PTEs present. // ULONG MiNumberOfExtraSystemPdes; ULONG MiMaximumSystemExtraSystemPdes; ULONG_PTR MiUseMaximumSystemSpace; ULONG_PTR MiUseMaximumSystemSpaceEnd; // // Size of extended system cache. // ULONG MiMaximumSystemCacheSizeExtra; PVOID MiSystemCacheStartExtra; PVOID MiSystemCacheEndExtra; ULONG MiExtraResourceStart; ULONG MiExtraResourceEnd; ULONG_PTR MmBootImageSize;