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|
title "Global SpinLock declerations"
;++
;
;Copyright (c) 1991 Microsoft Corporation
;
;Module Name:
;
; splocks.asm
;
;Abstract:
;
; All global spinlocks in the kernel image are declared in this
; module. This is done so that each spinlock can be spaced out
; sufficiently to guaarantee that the L2 cache does not thrash
; by having a spinlock and another high use varible in the same
; cache line.
;
;Author:
;
; Ken Reneris (kenr) 13-Jan-1992
;
;Revision History:
;
;--
.386p
.xlist
PADLOCKS equ 64
SPINLOCK macro SpinLockName
public SpinLockName
SpinLockName dd 0
ifndef NT_UP
db PADLOCKS-4 dup (0)
endif
endm
ULONG macro VaribleName
public VaribleName
VaribleName dd 0
ifndef NT_UP
db PADLOCKS-4 dup (0)
endif
endm
_DATA SEGMENT PARA PUBLIC 'DATA'
;
; Static SpinLocks from ntos\cc\cachedat.c
;
;;align PADLOCKS
db PADLOCKS dup (0)
SPINLOCK _CcMasterSpinLock
SPINLOCK _CcWorkQueueSpinlock
SPINLOCK _CcVacbSpinLock
SPINLOCK _CcDeferredWriteSpinLock
SPINLOCK _CcDebugTraceLock
SPINLOCK _CcBcbSpinLock
;
; Static SpinLocks from ntos\ex
;
SPINLOCK _ExpLuidLock ; luid.c
SPINLOCK _NonPagedPoolLock ; pool.c
SPINLOCK _PoolTraceLock ; pool.c
SPINLOCK _ExpResourceSpinLock ; resource.c
;
; Static SpinLocks from ntos\io\iodata.c
;
SPINLOCK _IopCompletionLock
SPINLOCK _IopCancelSpinLock
SPINLOCK _IopVpbSpinLock
SPINLOCK _IopDatabaseLock
SPINLOCK _IopErrorLogLock
SPINLOCK _IopErrorLogAllocationLock
SPINLOCK _IopTimerLock
SPINLOCK _IoStatisticsLock
SPINLOCK _IopFastLockSpinLock
;
; Static SpinLocks from ntos\kd\kdlock.c
;
SPINLOCK _KdpDebuggerLock
;
; Static SpinLocks from ntos\ke\kernldat.c
;
SPINLOCK _KiContextSwapLock
SPINLOCK _KiDispatcherLock
SPINLOCK _KiFreezeExecutionLock
SPINLOCK _KiFreezeLockBackup
ULONG _KiHardwareTrigger
SPINLOCK _KiProfileLock
;
; Static SpinLocks from ntos\mm\miglobal.c
;
SPINLOCK _MmPfnLock
SPINLOCK _MmSystemSpaceLock
SPINLOCK _MmChargeCommitmentLock
SPINLOCK _MmAllowWSExpansionLock
;
; Static SpinLocks from ntos\ps\psinit.c
;
SPINLOCK _PspEventPairLock
SPINLOCK _PsLoadedModuleSpinLock
;
; Static SpinLocks from ntos\fsrtl\fsrtlp.c
;
SPINLOCK _FsRtlStrucSupSpinLock ; fsrtlp.c
db PADLOCKS dup (0)
;
; KeTickCount - This is the number of clock ticks that have occurred since
; the system was booted. This count is used to compute a millisecond
; tick counter.
;
public _KeTickCount
_KeTickCount dd 0, 0, 0
;
; KeMaximumIncrement - This is the maximum time between clock interrupts
; in 100ns units that is supported by the host HAL.
;
public _KeMaximumIncrement
_KeMaximumIncrement dd 0
;
; KeTimeAdjustment - This is the actual number of 100ns units that are to
; be added to the system time at each interval timer interupt. This
; value is copied from KeTimeIncrement at system start up and can be
; later modified via the set system information service.
; timer table entries.
;
public _KeTimeAdjustment
_KeTimeAdjustment dd 0
;
; KiTickOffset - This is the number of 100ns units remaining before a tick
; is added to the tick count and the system time is updated.
;
public _KiTickOffset
_KiTickOffset dd 0
;
; KiMaximumDpcQueueDepth - This is used to control how many DPCs can be
; queued before a DPC of medium importance will trigger a dispatch
; interrupt.
;
public _KiMaximumDpcQueueDepth
_KiMaximumDpcQueueDepth dd 4
;
; KiMinimumDpcRate - This is the rate of DPC requests per clock tick that
; must be exceeded before DPC batching of medium importance DPCs
; will occur.
;
public _KiMinimumDpcRate
_KiMinimumDpcRate dd 3
;
; KiAdjustDpcThreshold - This is the threshold used by the clock interrupt
; routine to control the rate at which the processor's DPC queue depth
; is dynamically adjusted.
;
public _KiAdjustDpcThreshold
_KiAdjustDpcThreshold dd 20
;
; KiIdealDpcRate - This is used to control the aggressiveness of the DPC
; rate adjusting algorithm when decrementing the queue depth. As long
; as the DPC rate for the last tick is greater than this rate, the
; DPC queue depth will not be decremented.
;
public _KiIdealDpcRate
_KiIdealDpcRate dd 20
_DATA ends
end
|
