cpu.c File Reference

#include <ntoskrnl.h>
#include <debug.h>

Include dependency graph for cpu.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
VOID	KiFlushSingleTb (IN BOOLEAN Invalid, IN PVOID Virtual)
VOID	KeFlushTb (VOID)
VOID NTAPI	KeFlushCurrentTb (VOID)
VOID FASTCALL	KeZeroPages (IN PVOID Address, IN ULONG Size)
VOID NTAPI	KiSaveProcessorControlState (OUT PKPROCESSOR_STATE ProcessorState)
VOID NTAPI	KiRestoreProcessorControlState (PKPROCESSOR_STATE ProcessorState)
BOOLEAN NTAPI	KeInvalidateAllCaches (VOID)
ULONG NTAPI	KeGetRecommendedSharedDataAlignment (VOID)
VOID NTAPI	KeFlushEntireTb (IN BOOLEAN Invalid, IN BOOLEAN AllProcessors)
VOID NTAPI	KeSetDmaIoCoherency (IN ULONG Coherency)
VOID __cdecl	KeSaveStateForHibernate (IN PKPROCESSOR_STATE State)
VOID NTAPI	KeFlushIoBuffers (_In_ PMDL Mdl, _In_ BOOLEAN ReadOperation, _In_ BOOLEAN DmaOperation)
NTSTATUS NTAPI	NtVdmControl (IN ULONG ControlCode, IN PVOID ControlData)
NTSTATUS NTAPI	NtSetLdtEntries (IN ULONG Selector1, IN LDT_ENTRY LdtEntry1, IN ULONG Selector2, IN LDT_ENTRY LdtEntry2)

Variables
ULONG	KeFixedTbEntries
ULONG	KiDmaIoCoherency
ULONG	KeIcacheFlushCount = 0
ULONG	KeDcacheFlushCount
ULONG	KeLargestCacheLine = 64

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 12 of file cpu.c.

Function Documentation

KeFlushCurrentTb()

VOID NTAPI KeFlushCurrentTb

(

VOID

)

Definition at line 46 of file cpu.c.

{
    //
    // Rename?
    //
    KeFlushTb();
}

KeFlushEntireTb()

VOID NTAPI KeFlushEntireTb	(	IN BOOLEAN	Invalid,
		IN BOOLEAN	AllProcessors
	)

Definition at line 122 of file cpu.c.

{
    KIRQL OldIrql;
 
    //
    // Raise the IRQL for the TB Flush
    //
    OldIrql = KeRaiseIrqlToSynchLevel();
 
    //
    // Flush the TB for the Current CPU
    //
    KeFlushCurrentTb();
 
    //
    // Return to Original IRQL
    //
    KeLowerIrql(OldIrql);
}

KeFlushIoBuffers()

VOID NTAPI KeFlushIoBuffers	(	_In_ PMDL	Mdl,
		_In_ BOOLEAN	ReadOperation,
		_In_ BOOLEAN	DmaOperation
	)

Definition at line 176 of file cpu.c.

{
    DbgBreakPoint();
}

KeFlushTb()

VOID KeFlushTb

(

VOID

)

Definition at line 36 of file cpu.c.

{
    //
    // Flush the entire TLB
    //
    KeArmFlushTlb();
}

Referenced by KeFlushCurrentTb(), and KiInitializeSystem().

KeGetRecommendedSharedDataAlignment()

ULONG NTAPI KeGetRecommendedSharedDataAlignment

(

VOID

)

Definition at line 111 of file cpu.c.

{
    /* Return the global variable */
    return KeLargestCacheLine;
}

KeInvalidateAllCaches()

BOOLEAN NTAPI KeInvalidateAllCaches

(

VOID

)

Definition at line 94 of file cpu.c.

{
    //
    // Invalidate D cache and I cache
    //
    KeArmInvalidateAllCaches();
    return TRUE;
}

KeSaveStateForHibernate()

VOID __cdecl KeSaveStateForHibernate

(

IN PKPROCESSOR_STATE

State

)

Definition at line 161 of file cpu.c.

{
    //
    // Capture the context
    //
    RtlCaptureContext(&State->ContextFrame);
 
    //
    // Capture the control state
    //
    KiSaveProcessorControlState(State);
}

KeSetDmaIoCoherency()

VOID NTAPI KeSetDmaIoCoherency

(

IN ULONG

Coherency

)

Definition at line 148 of file cpu.c.

{
    //
    // Save the coherency globally
    //
    KiDmaIoCoherency = Coherency;
}

KeZeroPages()

VOID FASTCALL KeZeroPages	(	IN PVOID	Address,
		IN ULONG	Size
	)

Definition at line 56 of file cpu.c.

{
    /* Not using XMMI in this routine */
    RtlZeroMemory(Address, Size);
}

Referenced by MiSessionInitializeWorkingSetList(), MiZeroPfn(), MiZeroPhysicalPage(), and MmZeroPageThread().

KiFlushSingleTb()

VOID KiFlushSingleTb	(	IN BOOLEAN	Invalid,
		IN PVOID	Virtual
	)

Definition at line 26 of file cpu.c.

{
    //
    // Just invalidate it
    //
    KeArmInvalidateTlbEntry(Virtual);
}

KiRestoreProcessorControlState()

VOID NTAPI KiRestoreProcessorControlState

(

PKPROCESSOR_STATE

ProcessorState

)

Definition at line 81 of file cpu.c.

{
    __debugbreak();
#if 0
    KeArmControlRegisterSet(ProcessorState->SpecialRegisters.ControlRegister);
    KeArmLockdownRegisterSet(ProcessorState->SpecialRegisters.LockdownRegister);
    KeArmCacheRegisterSet(ProcessorState->SpecialRegisters.CacheRegister);
    KeArmStatusRegisterSet(ProcessorState->SpecialRegisters.StatusRegister);
#endif
}

KiSaveProcessorControlState()

VOID NTAPI KiSaveProcessorControlState

(

OUT PKPROCESSOR_STATE

ProcessorState

)

Definition at line 65 of file cpu.c.

{
    //
    // Save some critical stuff we use
    //
    __debugbreak();
#if 0
    ProcessorState->SpecialRegisters.ControlRegister = KeArmControlRegisterGet();
    ProcessorState->SpecialRegisters.LockdownRegister = KeArmLockdownRegisterGet();
    ProcessorState->SpecialRegisters.CacheRegister = KeArmCacheRegisterGet();
    ProcessorState->SpecialRegisters.StatusRegister = KeArmStatusRegisterGet();
#endif
}

NtSetLdtEntries()

NTSTATUS NTAPI NtSetLdtEntries	(	IN ULONG	Selector1,
		IN LDT_ENTRY	LdtEntry1,
		IN ULONG	Selector2,
		IN LDT_ENTRY	LdtEntry2
	)

Definition at line 202 of file cpu.c.

{
    //
    // Does not exist on ARM
    //
    return STATUS_NOT_IMPLEMENTED;
}

NtVdmControl()

NTSTATUS NTAPI NtVdmControl	(	IN ULONG	ControlCode,
		IN PVOID	ControlData
	)

Definition at line 191 of file cpu.c.

{
    //
    // Does not exist on ARM
    //
    return STATUS_NOT_IMPLEMENTED;
}

Variable Documentation

KeDcacheFlushCount

ULONG KeDcacheFlushCount

Definition at line 20 of file cpu.c.

KeFixedTbEntries

ULONG KeFixedTbEntries

Definition at line 17 of file cpu.c.

KeIcacheFlushCount

ULONG KeIcacheFlushCount = 0

Definition at line 19 of file cpu.c.

KeLargestCacheLine

ULONG KeLargestCacheLine = 64

Definition at line 21 of file cpu.c.

KiDmaIoCoherency

ULONG KiDmaIoCoherency

Definition at line 18 of file cpu.c.