mirror of
https://github.com/reactos/reactos.git
synced 2024-11-09 08:08:38 +00:00
442 lines
15 KiB
C
442 lines
15 KiB
C
/*
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* PROJECT: ReactOS Kernel
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: ntoskrnl/mm/mminit.c
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* PURPOSE: Memory Manager Initialization
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* PROGRAMMERS:
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*/
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/* INCLUDES ******************************************************************/
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#include <ntoskrnl.h>
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#define NDEBUG
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#include <debug.h>
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#define MODULE_INVOLVED_IN_ARM3
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#include "ARM3/miarm.h"
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/* GLOBALS *******************************************************************/
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PCHAR
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MemType[] =
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{
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"ExceptionBlock ",
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"SystemBlock ",
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"Free ",
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"Bad ",
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"LoadedProgram ",
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"FirmwareTemporary ",
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"FirmwarePermanent ",
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"OsloaderHeap ",
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"OsloaderStack ",
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"SystemCode ",
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"HalCode ",
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"BootDriver ",
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"ConsoleInDriver ",
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"ConsoleOutDriver ",
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"StartupDpcStack ",
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"StartupKernelStack",
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"StartupPanicStack ",
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"StartupPcrPage ",
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"StartupPdrPage ",
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"RegistryData ",
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"MemoryData ",
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"NlsData ",
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"SpecialMemory ",
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"BBTMemory ",
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"LoaderReserve ",
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"LoaderXIPRom "
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};
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BOOLEAN Mm64BitPhysicalAddress = FALSE;
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ULONG MmReadClusterSize;
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//
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// 0 | 1 is on/off paging, 2 is undocumented
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//
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UCHAR MmDisablePagingExecutive = 1; // Forced to off
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PMMPTE MmSharedUserDataPte;
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PMMSUPPORT MmKernelAddressSpace;
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BOOLEAN MiDbgEnableMdDump =
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#ifdef _ARM_
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TRUE;
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#else
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FALSE;
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#endif
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/* PRIVATE FUNCTIONS *********************************************************/
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VOID
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INIT_FUNCTION
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NTAPI
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MiInitSystemMemoryAreas()
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{
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PVOID BaseAddress;
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PHYSICAL_ADDRESS BoundaryAddressMultiple;
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PMEMORY_AREA MArea;
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NTSTATUS Status;
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BoundaryAddressMultiple.QuadPart = 0;
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//
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// Create the memory area to define the PTE base
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//
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BaseAddress = (PVOID)PTE_BASE;
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Status = MmCreateMemoryArea(MmGetKernelAddressSpace(),
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MEMORY_AREA_OWNED_BY_ARM3 | MEMORY_AREA_STATIC,
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&BaseAddress,
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4 * 1024 * 1024,
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PAGE_READWRITE,
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&MArea,
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TRUE,
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0,
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BoundaryAddressMultiple);
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ASSERT(Status == STATUS_SUCCESS);
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//
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// Create the memory area to define Hyperspace
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//
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BaseAddress = (PVOID)HYPER_SPACE;
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Status = MmCreateMemoryArea(MmGetKernelAddressSpace(),
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MEMORY_AREA_OWNED_BY_ARM3 | MEMORY_AREA_STATIC,
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&BaseAddress,
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4 * 1024 * 1024,
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PAGE_READWRITE,
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&MArea,
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TRUE,
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0,
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BoundaryAddressMultiple);
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ASSERT(Status == STATUS_SUCCESS);
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//
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// Protect the PFN database
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//
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BaseAddress = MmPfnDatabase;
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Status = MmCreateMemoryArea(MmGetKernelAddressSpace(),
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MEMORY_AREA_OWNED_BY_ARM3 | MEMORY_AREA_STATIC,
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&BaseAddress,
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(MxPfnAllocation << PAGE_SHIFT),
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PAGE_READWRITE,
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&MArea,
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TRUE,
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0,
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BoundaryAddressMultiple);
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ASSERT(Status == STATUS_SUCCESS);
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//
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// ReactOS requires a memory area to keep the initial NP area off-bounds
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//
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BaseAddress = MmNonPagedPoolStart;
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Status = MmCreateMemoryArea(MmGetKernelAddressSpace(),
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MEMORY_AREA_OWNED_BY_ARM3 | MEMORY_AREA_STATIC,
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&BaseAddress,
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MmSizeOfNonPagedPoolInBytes,
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PAGE_READWRITE,
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&MArea,
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TRUE,
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0,
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BoundaryAddressMultiple);
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ASSERT(Status == STATUS_SUCCESS);
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//
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// And we need one more for the system NP
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//
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BaseAddress = MmNonPagedSystemStart;
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Status = MmCreateMemoryArea(MmGetKernelAddressSpace(),
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MEMORY_AREA_OWNED_BY_ARM3 | MEMORY_AREA_STATIC,
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&BaseAddress,
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(ULONG_PTR)MmNonPagedPoolEnd -
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(ULONG_PTR)MmNonPagedSystemStart,
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PAGE_READWRITE,
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&MArea,
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TRUE,
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0,
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BoundaryAddressMultiple);
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ASSERT(Status == STATUS_SUCCESS);
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//
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// We also need one for system view space
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//
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BaseAddress = MiSystemViewStart;
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Status = MmCreateMemoryArea(MmGetKernelAddressSpace(),
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MEMORY_AREA_OWNED_BY_ARM3 | MEMORY_AREA_STATIC,
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&BaseAddress,
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MmSystemViewSize,
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PAGE_READWRITE,
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&MArea,
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TRUE,
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0,
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BoundaryAddressMultiple);
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ASSERT(Status == STATUS_SUCCESS);
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//
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// And another for session space
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//
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BaseAddress = MmSessionBase;
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Status = MmCreateMemoryArea(MmGetKernelAddressSpace(),
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MEMORY_AREA_OWNED_BY_ARM3 | MEMORY_AREA_STATIC,
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&BaseAddress,
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(ULONG_PTR)MiSessionSpaceEnd -
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(ULONG_PTR)MmSessionBase,
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PAGE_READWRITE,
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&MArea,
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TRUE,
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0,
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BoundaryAddressMultiple);
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ASSERT(Status == STATUS_SUCCESS);
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//
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// One more for ARM paged pool
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//
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BaseAddress = MmPagedPoolStart;
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Status = MmCreateMemoryArea(MmGetKernelAddressSpace(),
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MEMORY_AREA_OWNED_BY_ARM3 | MEMORY_AREA_STATIC,
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&BaseAddress,
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MmSizeOfPagedPoolInBytes,
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PAGE_READWRITE,
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&MArea,
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TRUE,
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0,
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BoundaryAddressMultiple);
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ASSERT(Status == STATUS_SUCCESS);
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//
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// And now, ReactOS paged pool
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//
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BaseAddress = MmPagedPoolBase;
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Status = MmCreateMemoryArea(MmGetKernelAddressSpace(),
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MEMORY_AREA_PAGED_POOL | MEMORY_AREA_STATIC,
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&BaseAddress,
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MmPagedPoolSize,
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PAGE_READWRITE,
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&MArea,
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TRUE,
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0,
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BoundaryAddressMultiple);
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ASSERT(Status == STATUS_SUCCESS);
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//
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// Next, the KPCR
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//
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BaseAddress = (PVOID)PCR;
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Status = MmCreateMemoryArea(MmGetKernelAddressSpace(),
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MEMORY_AREA_OWNED_BY_ARM3 | MEMORY_AREA_STATIC,
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&BaseAddress,
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PAGE_SIZE * KeNumberProcessors,
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PAGE_READWRITE,
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&MArea,
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TRUE,
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0,
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BoundaryAddressMultiple);
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ASSERT(Status == STATUS_SUCCESS);
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//
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// Now the KUSER_SHARED_DATA
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//
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BaseAddress = (PVOID)KI_USER_SHARED_DATA;
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Status = MmCreateMemoryArea(MmGetKernelAddressSpace(),
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MEMORY_AREA_OWNED_BY_ARM3 | MEMORY_AREA_STATIC,
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&BaseAddress,
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PAGE_SIZE,
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PAGE_READWRITE,
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&MArea,
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TRUE,
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0,
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BoundaryAddressMultiple);
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ASSERT(Status == STATUS_SUCCESS);
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//
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// And the debugger mapping
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//
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BaseAddress = MI_DEBUG_MAPPING;
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Status = MmCreateMemoryArea(MmGetKernelAddressSpace(),
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MEMORY_AREA_OWNED_BY_ARM3 | MEMORY_AREA_STATIC,
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&BaseAddress,
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PAGE_SIZE,
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PAGE_READWRITE,
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&MArea,
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TRUE,
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0,
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BoundaryAddressMultiple);
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ASSERT(Status == STATUS_SUCCESS);
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#if defined(_X86_)
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//
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// Finally, reserve the 2 pages we currently make use of for HAL mappings
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//
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BaseAddress = (PVOID)0xFFC00000;
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Status = MmCreateMemoryArea(MmGetKernelAddressSpace(),
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MEMORY_AREA_OWNED_BY_ARM3 | MEMORY_AREA_STATIC,
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&BaseAddress,
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PAGE_SIZE * 2,
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PAGE_READWRITE,
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&MArea,
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TRUE,
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0,
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BoundaryAddressMultiple);
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ASSERT(Status == STATUS_SUCCESS);
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#endif
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}
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VOID
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NTAPI
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MiDbgDumpAddressSpace(VOID)
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{
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//
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// Print the memory layout
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//
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DPRINT1(" 0x%p - 0x%p\t%s\n",
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MmSystemRangeStart,
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(ULONG_PTR)MmSystemRangeStart + MmBootImageSize,
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"Boot Loaded Image");
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DPRINT1(" 0x%p - 0x%p\t%s\n",
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MmPagedPoolBase,
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(ULONG_PTR)MmPagedPoolBase + MmPagedPoolSize,
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"Paged Pool");
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DPRINT1(" 0x%p - 0x%p\t%s\n",
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MmPfnDatabase,
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(ULONG_PTR)MmPfnDatabase + (MxPfnAllocation << PAGE_SHIFT),
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"PFN Database");
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DPRINT1(" 0x%p - 0x%p\t%s\n",
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MmNonPagedPoolStart,
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(ULONG_PTR)MmNonPagedPoolStart + MmSizeOfNonPagedPoolInBytes,
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"ARM³ Non Paged Pool");
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DPRINT1(" 0x%p - 0x%p\t%s\n",
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MiSystemViewStart,
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(ULONG_PTR)MiSystemViewStart + MmSystemViewSize,
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"System View Space");
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DPRINT1(" 0x%p - 0x%p\t%s\n",
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MmSessionBase,
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MiSessionSpaceEnd,
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"Session Space");
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DPRINT1(" 0x%p - 0x%p\t%s\n",
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PTE_BASE, PDE_BASE,
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"Page Tables");
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DPRINT1(" 0x%p - 0x%p\t%s\n",
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PDE_BASE, HYPER_SPACE,
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"Page Directories");
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DPRINT1(" 0x%p - 0x%p\t%s\n",
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HYPER_SPACE, HYPER_SPACE + (4 * 1024 * 1024),
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"Hyperspace");
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DPRINT1(" 0x%p - 0x%p\t%s\n",
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MmPagedPoolStart,
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(ULONG_PTR)MmPagedPoolStart + MmSizeOfPagedPoolInBytes,
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"ARM³ Paged Pool");
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DPRINT1(" 0x%p - 0x%p\t%s\n",
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MmNonPagedSystemStart, MmNonPagedPoolExpansionStart,
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"System PTE Space");
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DPRINT1(" 0x%p - 0x%p\t%s\n",
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MmNonPagedPoolExpansionStart, MmNonPagedPoolEnd,
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"Non Paged Pool Expansion PTE Space");
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}
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VOID
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NTAPI
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MiDbgDumpMemoryDescriptors(VOID)
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{
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PLIST_ENTRY NextEntry;
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PMEMORY_ALLOCATION_DESCRIPTOR Md;
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ULONG TotalPages = 0;
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DPRINT1("Base\t\tLength\t\tType\n");
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for (NextEntry = KeLoaderBlock->MemoryDescriptorListHead.Flink;
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NextEntry != &KeLoaderBlock->MemoryDescriptorListHead;
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NextEntry = NextEntry->Flink)
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{
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Md = CONTAINING_RECORD(NextEntry, MEMORY_ALLOCATION_DESCRIPTOR, ListEntry);
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DPRINT1("%08lX\t%08lX\t%s\n", Md->BasePage, Md->PageCount, MemType[Md->MemoryType]);
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TotalPages += Md->PageCount;
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}
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DPRINT1("Total: %08lX (%d MB)\n", TotalPages, (TotalPages * PAGE_SIZE) / 1024 / 1024);
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}
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VOID NTAPI MiInitializeUserPfnBitmap(VOID);
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BOOLEAN
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NTAPI
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MmInitSystem(IN ULONG Phase,
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IN PLOADER_PARAMETER_BLOCK LoaderBlock)
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{
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extern MMPTE ValidKernelPte;
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PMMPTE PointerPte;
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MMPTE TempPte = ValidKernelPte;
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PFN_NUMBER PageFrameNumber;
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if (Phase == 0)
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{
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/* Initialize the kernel address space */
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KeInitializeGuardedMutex(&PsGetCurrentProcess()->AddressCreationLock);
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MmKernelAddressSpace = MmGetCurrentAddressSpace();
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MmInitGlobalKernelPageDirectory();
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/* Dump memory descriptors */
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if (MiDbgEnableMdDump) MiDbgDumpMemoryDescriptors();
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/* Initialize ARM³ in phase 0 */
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MmArmInitSystem(0, KeLoaderBlock);
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/* Put the paged pool after the loaded modules */
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MmPagedPoolBase = (PVOID)PAGE_ROUND_UP((ULONG_PTR)MmSystemRangeStart +
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MmBootImageSize);
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MmPagedPoolSize = MM_PAGED_POOL_SIZE;
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/* Intialize system memory areas */
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MiInitSystemMemoryAreas();
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/* Dump the address space */
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MiDbgDumpAddressSpace();
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}
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else if (Phase == 1)
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{
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MmInitializePagedPool();
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MiInitializeUserPfnBitmap();
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MmInitializeMemoryConsumer(MC_USER, MmTrimUserMemory);
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MmInitializeRmapList();
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MmInitializePageOp();
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MmInitSectionImplementation();
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MmInitPagingFile();
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//
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// Create a PTE to double-map the shared data section. We allocate it
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// from paged pool so that we can't fault when trying to touch the PTE
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// itself (to map it), since paged pool addresses will already be mapped
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// by the fault handler.
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//
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MmSharedUserDataPte = ExAllocatePoolWithTag(PagedPool,
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sizeof(MMPTE),
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' mM');
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if (!MmSharedUserDataPte) return FALSE;
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//
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// Now get the PTE for shared data, and read the PFN that holds it
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//
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PointerPte = MiAddressToPte((PVOID)KI_USER_SHARED_DATA);
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ASSERT(PointerPte->u.Hard.Valid == 1);
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PageFrameNumber = PFN_FROM_PTE(PointerPte);
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/* Build the PTE and write it */
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MI_MAKE_HARDWARE_PTE_KERNEL(&TempPte,
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PointerPte,
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MM_READONLY,
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PageFrameNumber);
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*MmSharedUserDataPte = TempPte;
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/* Setup the memory threshold events */
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if (!MiInitializeMemoryEvents()) return FALSE;
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/*
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* Unmap low memory
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*/
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MiInitBalancerThread();
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/*
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* Initialise the modified page writer.
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*/
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MmInitMpwThread();
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/* Initialize the balance set manager */
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MmInitBsmThread();
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}
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return TRUE;
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}
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