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[NTOS:KE/X64] Fix KiInterruptDispatch

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- Enable interrupts
- Acquire the spinlock on SMP builds
This commit is contained in:
Timo Kreuzer 2024-12-05 15:37:28 +02:00
parent 29721ac552
commit 67231bd69a
1 changed files with 11 additions and 6 deletions
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17
ntoskrnl/ke/amd64/trap.S
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@ -23,8 +23,9 @@ EXTERN KiDpcInterruptHandler:PROC
EXTERN PsConvertToGuiThread:PROC
EXTERN MmCreateKernelStack:PROC
EXTERN MmDeleteKernelStack:PROC
EXTERN KdSetOwedBreakpoints:PROC
EXTERN KeAcquireSpinLockAtDpcLevel:PROC
EXTERN KeReleaseSpinLockFromDpcLevel:PROC
/* Helper Macros *************************************************************/
@ -744,11 +745,13 @@ FUNC KiInterruptDispatch
movzx rax, byte ptr [rbx + KINTERRUPT_SynchronizeIrql]
mov cr8, rax
/* Enable interrupts */
sti
#ifdef CONFIG_SMP
/* Acquire interrupt lock */
mov r8, [rbx + KINTERRUPT_ActualLock]
//KxAcquireSpinLock(Interrupt->ActualLock);
mov rcx, [rbx + KINTERRUPT_ActualLock]
call KeAcquireSpinLockAtDpcLevel
#endif
/* Call the ISR */
@ -758,10 +761,12 @@ FUNC KiInterruptDispatch
#ifdef CONFIG_SMP
/* Release interrupt lock */
//KxReleaseSpinLock(Interrupt->ActualLock);
mov rcx, [rbx + KINTERRUPT_ActualLock]
call KeReleaseSpinLockFromDpcLevel
#endif
/* Go back to old irql */
/* Disable interrupts and go back to old irql */
cli
movzx rax, byte ptr [rbp + KTRAP_FRAME_PreviousIrql]
mov cr8, rax