|
|
/*++
Copyright (c) 1990 Microsoft Corporation
Module Name:
dataia64.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:
Koichi Yamada (kyamada) 9-Jan-1996 : IA64 version based on i386 version
--*/
#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_CACHE | MM_PTE_WRITE_MASK | MM_PTE_EXECUTE_MASK | MM_PTE_ACCESS_MASK | MM_PTE_DIRTY_MASK | MM_PTE_EXC_DEFER};
const MMPTE ValidKernelPteLocal = { MM_PTE_VALID_MASK | MM_PTE_CACHE | MM_PTE_WRITE_MASK | MM_PTE_ACCESS_MASK | MM_PTE_DIRTY_MASK | MM_PTE_EXC_DEFER};
const MMPTE ValidUserPte = { MM_PTE_VALID_MASK | MM_PTE_CACHE | MM_PTE_WRITE_MASK | MM_PTE_OWNER_MASK | MM_PTE_ACCESS_MASK | MM_PTE_DIRTY_MASK | MM_PTE_EXC_DEFER};
const MMPTE ValidPtePte = { MM_PTE_VALID_MASK | MM_PTE_CACHE | MM_PTE_WRITE_MASK | MM_PTE_ACCESS_MASK | MM_PTE_DIRTY_MASK };
const MMPTE ValidPdePde = { MM_PTE_VALID_MASK | MM_PTE_CACHE | MM_PTE_WRITE_MASK | MM_PTE_ACCESS_MASK | MM_PTE_DIRTY_MASK };
MMPTE ValidKernelPde = { MM_PTE_VALID_MASK | MM_PTE_CACHE | MM_PTE_WRITE_MASK | MM_PTE_ACCESS_MASK | MM_PTE_DIRTY_MASK };
const MMPTE ValidKernelPdeLocal = { MM_PTE_VALID_MASK | MM_PTE_CACHE | MM_PTE_WRITE_MASK | MM_PTE_ACCESS_MASK | MM_PTE_DIRTY_MASK };
MMPTE ValidPpePte = { MM_PTE_VALID_MASK | MM_PTE_CACHE | MM_PTE_WRITE_MASK | MM_PTE_ACCESS_MASK | MM_PTE_DIRTY_MASK };
MMPTE DemandZeroPde = { MM_READWRITE << MM_PROTECT_FIELD_SHIFT };
const MMPTE DemandZeroPte = { MM_READWRITE << MM_PROTECT_FIELD_SHIFT };
const MMPTE TransitionPde = { 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;
PVOID MmPagedPoolStart = (PVOID)MM_PAGED_POOL_START;
PVOID MmPagedPoolEnd;
ULONG_PTR MmKseg2Frame = 0;
//
// 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};
//
// 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;
//
// 16 PTEs reserved for mapping MDLs (64k max).
//
PMMPTE MmCrashDumpPte;
//
// Maximum size of system cache
//
ULONG MiMaximumSystemCacheSize;
//
// Supported Page Size Information
//
ULONGLONG MmPageSizeInfo = 0;
#if defined(_MIALT4K_)
//
// Map a IA32 compatible PTE protection from Pte.Protect field
//
ULONG MmProtectToPteMaskForIA32[32] = { MM_PTE_NOACCESS, MM_PTE_EXECUTE_READ | MM_PTE_CACHE, MM_PTE_EXECUTE_READ | MM_PTE_CACHE, MM_PTE_EXECUTE_READ | MM_PTE_CACHE, MM_PTE_EXECUTE_READWRITE | MM_PTE_CACHE, MM_PTE_EXECUTE_WRITECOPY | MM_PTE_CACHE, MM_PTE_EXECUTE_READWRITE | MM_PTE_CACHE, MM_PTE_EXECUTE_WRITECOPY | MM_PTE_CACHE, MM_PTE_NOACCESS, MM_PTE_NOCACHE | MM_PTE_EXECUTE_READ, MM_PTE_NOCACHE | MM_PTE_EXECUTE_READ, MM_PTE_NOCACHE | MM_PTE_EXECUTE_READ, MM_PTE_NOCACHE | MM_PTE_EXECUTE_READWRITE, MM_PTE_NOCACHE | MM_PTE_EXECUTE_WRITECOPY, MM_PTE_NOCACHE | MM_PTE_EXECUTE_READWRITE, MM_PTE_NOCACHE | MM_PTE_EXECUTE_WRITECOPY, MM_PTE_NOACCESS, MM_PTE_GUARD | MM_PTE_EXECUTE_READ | MM_PTE_CACHE, MM_PTE_GUARD | MM_PTE_EXECUTE_READ | MM_PTE_CACHE, MM_PTE_GUARD | MM_PTE_EXECUTE_READ | MM_PTE_CACHE, MM_PTE_GUARD | MM_PTE_EXECUTE_READWRITE | MM_PTE_CACHE, MM_PTE_GUARD | MM_PTE_EXECUTE_WRITECOPY | MM_PTE_CACHE, MM_PTE_GUARD | MM_PTE_EXECUTE_READWRITE | MM_PTE_CACHE, MM_PTE_GUARD | MM_PTE_EXECUTE_WRITECOPY | MM_PTE_CACHE, MM_PTE_NOACCESS, MM_PTE_NOCACHE | MM_PTE_GUARD | MM_PTE_EXECUTE_READ, MM_PTE_NOCACHE | MM_PTE_GUARD | MM_PTE_EXECUTE_READ, MM_PTE_NOCACHE | MM_PTE_GUARD | MM_PTE_EXECUTE_READ, MM_PTE_NOCACHE | MM_PTE_GUARD | MM_PTE_EXECUTE_READWRITE, MM_PTE_NOCACHE | MM_PTE_GUARD | MM_PTE_EXECUTE_WRITECOPY, MM_PTE_NOCACHE | MM_PTE_GUARD | MM_PTE_EXECUTE_READWRITE, MM_PTE_NOCACHE | MM_PTE_GUARD | MM_PTE_EXECUTE_WRITECOPY };
ULONG MmProtectToPteMaskForSplit[32] = { MM_PTE_NOACCESS, MM_PTE_EXECUTE_READ | MM_PTE_CACHE, MM_PTE_EXECUTE_READ | MM_PTE_CACHE, MM_PTE_EXECUTE_READ | MM_PTE_CACHE, MM_PTE_EXECUTE_READ | MM_PTE_CACHE, MM_PTE_EXECUTE_WRITECOPY | MM_PTE_CACHE, MM_PTE_EXECUTE_READ | MM_PTE_CACHE, MM_PTE_EXECUTE_WRITECOPY | MM_PTE_CACHE, MM_PTE_NOACCESS, MM_PTE_NOCACHE | MM_PTE_EXECUTE_READ, MM_PTE_NOCACHE | MM_PTE_EXECUTE_READ, MM_PTE_NOCACHE | MM_PTE_EXECUTE_READ, MM_PTE_NOCACHE | MM_PTE_EXECUTE_READ, MM_PTE_NOCACHE | MM_PTE_EXECUTE_WRITECOPY, MM_PTE_NOCACHE | MM_PTE_EXECUTE_READWRITE, MM_PTE_NOCACHE | MM_PTE_EXECUTE_WRITECOPY, MM_PTE_NOACCESS, MM_PTE_GUARD | MM_PTE_EXECUTE_READ | MM_PTE_CACHE, MM_PTE_GUARD | MM_PTE_EXECUTE_READ | MM_PTE_CACHE, MM_PTE_GUARD | MM_PTE_EXECUTE_READ | MM_PTE_CACHE, MM_PTE_GUARD | MM_PTE_EXECUTE_READ | MM_PTE_CACHE, MM_PTE_GUARD | MM_PTE_EXECUTE_WRITECOPY | MM_PTE_CACHE, MM_PTE_GUARD | MM_PTE_EXECUTE_READ | MM_PTE_CACHE, MM_PTE_GUARD | MM_PTE_EXECUTE_WRITECOPY | MM_PTE_CACHE, MM_PTE_NOACCESS, MM_PTE_NOCACHE | MM_PTE_GUARD | MM_PTE_EXECUTE_READ, MM_PTE_NOCACHE | MM_PTE_GUARD | MM_PTE_EXECUTE_READ, MM_PTE_NOCACHE | MM_PTE_GUARD | MM_PTE_EXECUTE_READ, MM_PTE_NOCACHE | MM_PTE_GUARD | MM_PTE_EXECUTE_READ, MM_PTE_NOCACHE | MM_PTE_GUARD | MM_PTE_EXECUTE_WRITECOPY, MM_PTE_NOCACHE | MM_PTE_GUARD | MM_PTE_EXECUTE_READ, MM_PTE_NOCACHE | MM_PTE_GUARD | MM_PTE_EXECUTE_WRITECOPY };
#endif
|
