reactos/hal/halarm/generic/spinlock.c
2021-06-11 15:33:08 +03:00

202 lines
3.6 KiB
C

/*
* PROJECT: ReactOS HAL
* LICENSE: BSD - See COPYING.ARM in the top level directory
* FILE: hal/halarm/generic/spinlock.c
* PURPOSE: SpinLock Routines
* PROGRAMMERS: ReactOS Portable Systems Group
*/
/* INCLUDES ******************************************************************/
#include <hal.h>
#define NDEBUG
#include <debug.h>
#undef KeAcquireSpinLock
#undef KeReleaseSpinLock
#undef KeRaiseIrql
#undef KeLowerIrql
/* FUNCTIONS *****************************************************************/
/*
* @implemented
*/
VOID
NTAPI
KeRaiseIrql(KIRQL NewIrql,
PKIRQL OldIrql)
{
/* Call the fastcall function */
*OldIrql = KfRaiseIrql(NewIrql);
}
/*
* @implemented
*/
VOID
NTAPI
KeLowerIrql(KIRQL NewIrql)
{
/* Call the fastcall function */
KfLowerIrql(NewIrql);
}
/*
* @implemented
*/
VOID
NTAPI
KeAcquireSpinLock(PKSPIN_LOCK SpinLock,
PKIRQL OldIrql)
{
/* Call the fastcall function */
*OldIrql = KfAcquireSpinLock(SpinLock);
}
/*
* @implemented
*/
KIRQL
FASTCALL
KeAcquireSpinLockRaiseToSynch(PKSPIN_LOCK SpinLock)
{
/* Simply raise to dispatch */
return KfRaiseIrql(DISPATCH_LEVEL);
}
/*
* @implemented
*/
VOID
NTAPI
KeReleaseSpinLock(PKSPIN_LOCK SpinLock,
KIRQL NewIrql)
{
/* Call the fastcall function */
KfReleaseSpinLock(SpinLock, NewIrql);
}
/*
* @implemented
*/
KIRQL
FASTCALL
KfAcquireSpinLock(PKSPIN_LOCK SpinLock)
{
/* Simply raise to dispatch */
return KfRaiseIrql(DISPATCH_LEVEL);
}
/*
* @implemented
*/
VOID
FASTCALL
KfReleaseSpinLock(PKSPIN_LOCK SpinLock,
KIRQL OldIrql)
{
/* Simply lower IRQL back */
KeLowerIrql(OldIrql);
}
/*
* @implemented
*/
KIRQL
FASTCALL
KeAcquireQueuedSpinLock(IN KSPIN_LOCK_QUEUE_NUMBER LockNumber)
{
/* Simply raise to dispatch */
return KfRaiseIrql(DISPATCH_LEVEL);
}
/*
* @implemented
*/
KIRQL
FASTCALL
KeAcquireQueuedSpinLockRaiseToSynch(IN KSPIN_LOCK_QUEUE_NUMBER LockNumber)
{
/* Simply raise to dispatch */
return KfRaiseIrql(DISPATCH_LEVEL);
}
/*
* @implemented
*/
VOID
FASTCALL
KeAcquireInStackQueuedSpinLock(IN PKSPIN_LOCK SpinLock,
IN PKLOCK_QUEUE_HANDLE LockHandle)
{
/* Simply raise to dispatch */
LockHandle->OldIrql = KfRaiseIrql(DISPATCH_LEVEL);
}
/*
* @implemented
*/
VOID
FASTCALL
KeAcquireInStackQueuedSpinLockRaiseToSynch(IN PKSPIN_LOCK SpinLock,
IN PKLOCK_QUEUE_HANDLE LockHandle)
{
/* Simply raise to dispatch */
LockHandle->OldIrql = KfRaiseIrql(DISPATCH_LEVEL);
}
/*
* @implemented
*/
VOID
FASTCALL
KeReleaseQueuedSpinLock(IN KSPIN_LOCK_QUEUE_NUMBER LockNumber,
IN KIRQL OldIrql)
{
/* Simply lower IRQL back */
KfLowerIrql(OldIrql);
}
/*
* @implemented
*/
VOID
FASTCALL
KeReleaseInStackQueuedSpinLock(IN PKLOCK_QUEUE_HANDLE LockHandle)
{
/* Simply lower IRQL back */
KfLowerIrql(LockHandle->OldIrql);
}
/*
* @implemented
*/
BOOLEAN
FASTCALL
KeTryToAcquireQueuedSpinLockRaiseToSynch(IN KSPIN_LOCK_QUEUE_NUMBER LockNumber,
IN PKIRQL OldIrql)
{
/* Simply raise to synch */
KeRaiseIrql(SYNCH_LEVEL, OldIrql);
/* Always return true on UP Machines */
return TRUE;
}
/*
* @implemented
*/
LOGICAL
FASTCALL
KeTryToAcquireQueuedSpinLock(IN KSPIN_LOCK_QUEUE_NUMBER LockNumber,
OUT PKIRQL OldIrql)
{
/* Simply raise to dispatch */
KeRaiseIrql(DISPATCH_LEVEL, OldIrql);
/* Always return true on UP Machines */
return TRUE;
}
/* EOF */