3 Dec
2006
3 Dec
'06
11:25 a.m.
Author: arty
Date: Sun Dec 3 14:25:56 2006
New Revision: 25030
URL: http://svn.reactos.org/svn/reactos?rev=25030&view=rev
Log:
After a clean, these seem to be needed. Probably due to my patchy import.
Added:
branches/arty-stable/reactos/ntoskrnl/deprecated/
branches/arty-stable/reactos/ntoskrnl/deprecated/irq.c
branches/arty-stable/reactos/ntoskrnl/deprecated/irqhand.S
Added: branches/arty-stable/reactos/ntoskrnl/deprecated/irq.c
URL:
http://svn.reactos.org/svn/reactos/branches/arty-stable/reactos/ntoskrnl/de…
==============================================================================
--- branches/arty-stable/reactos/ntoskrnl/deprecated/irq.c (added)
+++ branches/arty-stable/reactos/ntoskrnl/deprecated/irq.c Sun Dec 3 14:25:56 2006
@@ -1,0 +1,779 @@
+/* $Id$
+ *
+ * COPYRIGHT: See COPYING in the top level directory
+ * PROJECT: ReactOS kernel
+ * FILE: ntoskrnl/ke/i386/irq.c
+ * PURPOSE: IRQ handling
+ *
+ * PROGRAMMERS: David Welch (welch(a)mcmail.com)
+ */
+
+/*
+ * NOTE: In general the PIC interrupt priority facilities are used to
+ * preserve the NT IRQL semantics, global interrupt disables are only used
+ * to keep the PIC in a consistent state
+ *
+ */
+
+/* INCLUDES ****************************************************************/
+
+#include <ntoskrnl.h>
+#include <../hal/halx86/include/halirq.h>
+#include <../hal/halx86/include/mps.h>
+
+#define NDEBUG
+#include <internal/debug.h>
+
+extern KDPC KiExpireTimerDpc;
+extern ULONG KiMaximumDpcQueueDepth;
+extern ULONG KiMinimumDpcRate;
+extern ULONG KiAdjustDpcThreshold;
+extern ULONG KiIdealDpcRate;
+extern LONG KiTickOffset;
+extern ULONG KeMaximumIncrement;
+extern ULONG KeMinimumIncrement;
+extern ULONG KeTimeAdjustment;
+extern BOOLEAN KiClockSetupComplete;
+
+/* GLOBALS *****************************************************************/
+
+/* Interrupt handler list */
+
+#ifdef CONFIG_SMP
+
+#define INT_NAME2(intnum) KiUnexpectedInterrupt##intnum
+
+#define BUILD_INTERRUPT_HANDLER(intnum) \
+VOID INT_NAME2(intnum)(VOID);
+
+#define D(x,y) \
+ BUILD_INTERRUPT_HANDLER(x##y)
+
+#define D16(x) \
+ D(x,0) D(x,1) D(x,2) D(x,3) \
+ D(x,4) D(x,5) D(x,6) D(x,7) \
+ D(x,8) D(x,9) D(x,A) D(x,B) \
+ D(x,C) D(x,D) D(x,E) D(x,F)
+
+D16(3) D16(4) D16(5) D16(6)
+D16(7) D16(8) D16(9) D16(A)
+D16(B) D16(C) D16(D) D16(E)
+D16(F)
+
+#define L(x,y) \
+ (ULONG)& INT_NAME2(x##y)
+
+#define L16(x) \
+ L(x,0), L(x,1), L(x,2), L(x,3), \
+ L(x,4), L(x,5), L(x,6), L(x,7), \
+ L(x,8), L(x,9), L(x,A), L(x,B), \
+ L(x,C), L(x,D), L(x,E), L(x,F)
+
+static ULONG irq_handler[ROUND_UP(NR_IRQS, 16)] = {
+ L16(3), L16(4), L16(5), L16(6),
+ L16(7), L16(8), L16(9), L16(A),
+ L16(B), L16(C), L16(D), L16(E)
+};
+
+#undef L
+#undef L16
+#undef D
+#undef D16
+
+#else /* CONFIG_SMP */
+
+void irq_handler_0(void);
+void irq_handler_1(void);
+void irq_handler_2(void);
+void irq_handler_3(void);
+void irq_handler_4(void);
+void irq_handler_5(void);
+void irq_handler_6(void);
+void irq_handler_7(void);
+void irq_handler_8(void);
+void irq_handler_9(void);
+void irq_handler_10(void);
+void irq_handler_11(void);
+void irq_handler_12(void);
+void irq_handler_13(void);
+void irq_handler_14(void);
+void irq_handler_15(void);
+
+static unsigned int irq_handler[NR_IRQS]=
+{
+ (int)&irq_handler_0,
+ (int)&irq_handler_1,
+ (int)&irq_handler_2,
+ (int)&irq_handler_3,
+ (int)&irq_handler_4,
+ (int)&irq_handler_5,
+ (int)&irq_handler_6,
+ (int)&irq_handler_7,
+ (int)&irq_handler_8,
+ (int)&irq_handler_9,
+ (int)&irq_handler_10,
+ (int)&irq_handler_11,
+ (int)&irq_handler_12,
+ (int)&irq_handler_13,
+ (int)&irq_handler_14,
+ (int)&irq_handler_15,
+};
+
+#endif /* CONFIG_SMP */
+
+/*
+ * PURPOSE: Object describing each isr
+ * NOTE: The data in this table is only modified at passsive level but can
+ * be accessed at any irq level.
+ */
+
+typedef struct
+{
+ LIST_ENTRY ListHead;
+ KSPIN_LOCK Lock;
+ ULONG Count;
+}
+ISR_TABLE, *PISR_TABLE;
+
+#ifdef CONFIG_SMP
+static ISR_TABLE IsrTable[NR_IRQS][MAXIMUM_PROCESSORS];
+#else
+static ISR_TABLE IsrTable[NR_IRQS][1];
+#endif
+
+#define TAG_ISR_LOCK TAG('I', 'S', 'R', 'L')
+
+/* FUNCTIONS ****************************************************************/
+
+#define PRESENT (0x8000)
+#define I486_INTERRUPT_GATE (0xe00)
+
+VOID
+INIT_FUNCTION
+NTAPI
+KeInitInterrupts (VOID)
+{
+ int i, j;
+
+
+ /*
+ * Setup the IDT entries to point to the interrupt handlers
+ */
+ for (i=0;i<NR_IRQS;i++)
+ {
+
((IDT_DESCRIPTOR*)&KiIdt[IRQ_BASE+i])->a=(irq_handler[i]&0xffff)+(KGDT_R0_CODE<<16);
+
((IDT_DESCRIPTOR*)&KiIdt[IRQ_BASE+i])->b=(irq_handler[i]&0xffff0000)+PRESENT+
+ I486_INTERRUPT_GATE;
+#ifdef CONFIG_SMP
+ for (j = 0; j < MAXIMUM_PROCESSORS; j++)
+#else
+ j = 0;
+#endif
+ {
+ InitializeListHead(&IsrTable[i][j].ListHead);
+ KeInitializeSpinLock(&IsrTable[i][j].Lock);
+ IsrTable[i][j].Count = 0;
+ }
+ }
+}
+
+static VOID
+KeIRQTrapFrameToTrapFrame(PKIRQ_TRAPFRAME IrqTrapFrame,
+ PKTRAP_FRAME TrapFrame)
+{
+ TrapFrame->SegGs = (USHORT)IrqTrapFrame->Gs;
+ TrapFrame->SegFs = (USHORT)IrqTrapFrame->Fs;
+ TrapFrame->SegEs = (USHORT)IrqTrapFrame->Es;
+ TrapFrame->SegDs = (USHORT)IrqTrapFrame->Ds;
+ TrapFrame->Eax = IrqTrapFrame->Eax;
+ TrapFrame->Ecx = IrqTrapFrame->Ecx;
+ TrapFrame->Edx = IrqTrapFrame->Edx;
+ TrapFrame->Ebx = IrqTrapFrame->Ebx;
+ TrapFrame->HardwareEsp = IrqTrapFrame->Esp;
+ TrapFrame->Ebp = IrqTrapFrame->Ebp;
+ TrapFrame->Esi = IrqTrapFrame->Esi;
+ TrapFrame->Edi = IrqTrapFrame->Edi;
+ TrapFrame->Eip = IrqTrapFrame->Eip;
+ TrapFrame->SegCs = IrqTrapFrame->Cs;
+ TrapFrame->EFlags = IrqTrapFrame->Eflags;
+}
+
+static VOID
+KeTrapFrameToIRQTrapFrame(PKTRAP_FRAME TrapFrame,
+ PKIRQ_TRAPFRAME IrqTrapFrame)
+{
+ IrqTrapFrame->Gs = TrapFrame->SegGs;
+ IrqTrapFrame->Fs = TrapFrame->SegFs;
+ IrqTrapFrame->Es = TrapFrame->SegEs;
+ IrqTrapFrame->Ds = TrapFrame->SegDs;
+ IrqTrapFrame->Eax = TrapFrame->Eax;
+ IrqTrapFrame->Ecx = TrapFrame->Ecx;
+ IrqTrapFrame->Edx = TrapFrame->Edx;
+ IrqTrapFrame->Ebx = TrapFrame->Ebx;
+ IrqTrapFrame->Esp = TrapFrame->HardwareEsp;
+ IrqTrapFrame->Ebp = TrapFrame->Ebp;
+ IrqTrapFrame->Esi = TrapFrame->Esi;
+ IrqTrapFrame->Edi = TrapFrame->Edi;
+ IrqTrapFrame->Eip = TrapFrame->Eip;
+ IrqTrapFrame->Cs = TrapFrame->SegCs;
+ IrqTrapFrame->Eflags = TrapFrame->EFlags;
+}
+
+/*
+ * NOTE: On Windows this function takes exactly one parameter and EBP is
+ * guaranteed to point to KTRAP_FRAME. The function is used only
+ * by HAL, so there's no point in keeping that prototype.
+ *
+ * @implemented
+ */
+VOID
+STDCALL
+KeUpdateRunTime(IN PKTRAP_FRAME TrapFrame,
+ IN KIRQL Irql)
+{
+ PKPRCB Prcb = KeGetCurrentPrcb();
+ PKTHREAD CurrentThread;
+ PKPROCESS CurrentProcess;
+
+ /* Make sure we don't go further if we're in early boot phase. */
+ if (!(Prcb) || !(Prcb->CurrentThread)) return;
+
+ /* Get the current thread and process */
+ CurrentThread = Prcb->CurrentThread;
+ CurrentProcess = CurrentThread->ApcState.Process;
+
+ /* Check if we came from user mode */
+ if (TrapFrame->PreviousPreviousMode != KernelMode)
+ {
+ /* Update user times */
+ CurrentThread->UserTime++;
+ InterlockedIncrement((PLONG)&CurrentProcess->UserTime);
+ Prcb->UserTime++;
+ }
+ else
+ {
+ /* Check IRQ */
+ if (Irql > DISPATCH_LEVEL)
+ {
+ /* This was an interrupt */
+ Prcb->InterruptTime++;
+ }
+ else if ((Irql < DISPATCH_LEVEL) || !(Prcb->DpcRoutineActive))
+ {
+ /* This was normal kernel time */
+ CurrentThread->KernelTime++;
+ InterlockedIncrement((PLONG)&CurrentProcess->KernelTime);
+ }
+ else if (Irql == DISPATCH_LEVEL)
+ {
+ /* This was DPC time */
+ Prcb->DpcTime++;
+ }
+
+ /* Update CPU kernel time in all cases */
+ Prcb->KernelTime++;
+ }
+
+ /* Set the last DPC Count and request rate */
+ Prcb->DpcLastCount = Prcb->DpcData[0].DpcCount;
+ Prcb->DpcRequestRate = ((Prcb->DpcData[0].DpcCount - Prcb->DpcLastCount) +
+ Prcb->DpcRequestRate) / 2;
+
+ /* Check if we should request a DPC */
+ if ((Prcb->DpcData[0].DpcQueueDepth) && !(Prcb->DpcRoutineActive))
+ {
+ /* Request one */
+ HalRequestSoftwareInterrupt(DISPATCH_LEVEL);
+
+ /* Update the depth if needed */
+ if ((Prcb->DpcRequestRate < KiIdealDpcRate) &&
+ (Prcb->MaximumDpcQueueDepth > 1))
+ {
+ /* Decrease the maximum depth by one */
+ Prcb->MaximumDpcQueueDepth--;
+ }
+ }
+ else
+ {
+ /* Decrease the adjustment threshold */
+ if (!(--Prcb->AdjustDpcThreshold))
+ {
+ /* We've hit 0, reset it */
+ Prcb->AdjustDpcThreshold = KiAdjustDpcThreshold;
+
+ /* Check if we've hit queue maximum */
+ if (KiMaximumDpcQueueDepth != Prcb->MaximumDpcQueueDepth)
+ {
+ /* Increase maximum by one */
+ Prcb->MaximumDpcQueueDepth++;
+ }
+ }
+ }
+
+ /*
+ * If we're at end of quantum request software interrupt. The rest
+ * is handled in KiDispatchInterrupt.
+ *
+ * NOTE: If one stays at DISPATCH_LEVEL for a long time the DPC routine
+ * which checks for quantum end will not be executed and decrementing
+ * the quantum here can result in overflow. This is not a problem since
+ * we don't care about the quantum value anymore after the QuantumEnd
+ * flag is set.
+ */
+ if ((CurrentThread->Quantum -= 3) <= 0)
+ {
+ Prcb->QuantumEnd = TRUE;
+ HalRequestSoftwareInterrupt(DISPATCH_LEVEL);
+ }
+}
+
+
+/*
+ * NOTE: On Windows this function takes exactly zero parameters and EBP is
+ * guaranteed to point to KTRAP_FRAME. Also [esp+0] contains an IRQL.
+ * The function is used only by HAL, so there's no point in keeping
+ * that prototype.
+ *
+ * @implemented
+ */
+VOID
+STDCALL
+KeUpdateSystemTime(IN PKTRAP_FRAME TrapFrame,
+ IN KIRQL Irql,
+ IN ULONG Increment)
+{
+ LONG OldOffset;
+ LARGE_INTEGER Time;
+ ASSERT(KeGetCurrentIrql() == PROFILE_LEVEL);
+ if (!KiClockSetupComplete) return;
+
+ /* Update interrupt time */
+ Time.LowPart = SharedUserData->InterruptTime.LowPart;
+ Time.HighPart = SharedUserData->InterruptTime.High1Time;
+ Time.QuadPart += Increment;
+ SharedUserData->InterruptTime.High2Time = Time.u.HighPart;
+ SharedUserData->InterruptTime.LowPart = Time.u.LowPart;
+ SharedUserData->InterruptTime.High1Time = Time.u.HighPart;
+
+ /* Increase the tick offset */
+ KiTickOffset -= Increment;
+ OldOffset = KiTickOffset;
+
+ /* Check if this isn't a tick yet */
+ if (KiTickOffset > 0)
+ {
+ /* Expire timers */
+ KeInsertQueueDpc(&KiExpireTimerDpc, (PVOID)TrapFrame->Eip, 0);
+ }
+ else
+ {
+ /* Setup time structure for system time */
+ Time.LowPart = SharedUserData->SystemTime.LowPart;
+ Time.HighPart = SharedUserData->SystemTime.High1Time;
+ Time.QuadPart += KeTimeAdjustment;
+ SharedUserData->SystemTime.High2Time = Time.HighPart;
+ SharedUserData->SystemTime.LowPart = Time.LowPart;
+ SharedUserData->SystemTime.High1Time = Time.HighPart;
+
+ /* Setup time structure for tick time */
+ Time.LowPart = KeTickCount.LowPart;
+ Time.HighPart = KeTickCount.High1Time;
+ Time.QuadPart += 1;
+ KeTickCount.High2Time = Time.HighPart;
+ KeTickCount.LowPart = Time.LowPart;
+ KeTickCount.High1Time = Time.HighPart;
+ SharedUserData->TickCount.High2Time = Time.HighPart;
+ SharedUserData->TickCount.LowPart = Time.LowPart;
+ SharedUserData->TickCount.High1Time = Time.HighPart;
+
+ /* Update tick count in shared user data as well */
+ SharedUserData->TickCountLowDeprecated++;
+
+ /* Queue a DPC that will expire timers */
+ KeInsertQueueDpc(&KiExpireTimerDpc, (PVOID)TrapFrame->Eip, 0);
+ }
+
+ /* Update process and thread times */
+ if (OldOffset <= 0)
+ {
+ /* This was a tick, calculate the next one */
+ KiTickOffset += KeMaximumIncrement;
+ KeUpdateRunTime(TrapFrame, Irql);
+ }
+}
+
+VOID STDCALL
+KiInterruptDispatch2 (ULONG vector, KIRQL old_level)
+/*
+ * FUNCTION: Calls all the interrupt handlers for a given irq.
+ * ARGUMENTS:
+ * vector - The number of the vector to call handlers for.
+ * old_level - The irql of the processor when the irq took place.
+ * NOTES: Must be called at DIRQL.
+ */
+{
+ PKINTERRUPT isr;
+ PLIST_ENTRY current;
+ KIRQL oldlvl;
+ PISR_TABLE CurrentIsr;
+
+ DPRINT("I(0x%.08x, 0x%.08x)\n", vector, old_level);
+
+ /*
+ * Iterate the list until one of the isr tells us its device interrupted
+ */
+ CurrentIsr = &IsrTable[vector - IRQ_BASE][(ULONG)KeGetCurrentProcessorNumber()];
+
+ KiAcquireSpinLock(&CurrentIsr->Lock);
+
+ CurrentIsr->Count++;
+ current = CurrentIsr->ListHead.Flink;
+
+ while (current != &CurrentIsr->ListHead)
+ {
+ isr = CONTAINING_RECORD(current,KINTERRUPT,InterruptListEntry);
+ oldlvl = KeAcquireInterruptSpinLock(isr);
+ if (isr->ServiceRoutine(isr, isr->ServiceContext))
+ {
+ KeReleaseInterruptSpinLock(isr, oldlvl);
+ break;
+ }
+ KeReleaseInterruptSpinLock(isr, oldlvl);
+ current = current->Flink;
+ }
+ KiReleaseSpinLock(&CurrentIsr->Lock);
+}
+
+VOID
+KiInterruptDispatch3 (ULONG vector, PKIRQ_TRAPFRAME Trapframe)
+/*
+ * FUNCTION: Calls the irq specific handler for an irq
+ * ARGUMENTS:
+ * irq = IRQ that has interrupted
+ */
+{
+ KIRQL old_level;
+ KTRAP_FRAME KernelTrapFrame;
+ PKTHREAD CurrentThread;
+ PKTRAP_FRAME OldTrapFrame=NULL;
+
+ /*
+ * At this point we have interrupts disabled, nothing has been done to
+ * the PIC.
+ */
+
+ KeGetCurrentPrcb()->InterruptCount++;
+
+ /*
+ * Notify the rest of the kernel of the raised irq level. For the
+ * default HAL this will send an EOI to the PIC and alter the IRQL.
+ */
+ if (!HalBeginSystemInterrupt (VECTOR2IRQL(vector),
+ vector,
+ &old_level))
+ {
+ return;
+ }
+
+
+ /*
+ * Enable interrupts
+ * NOTE: Only higher priority interrupts will get through
+ */
+ _enable();
+
+#ifndef CONFIG_SMP
+ if (VECTOR2IRQ(vector) == 0)
+ {
+ KeIRQTrapFrameToTrapFrame(Trapframe, &KernelTrapFrame);
+ KeUpdateSystemTime(&KernelTrapFrame, old_level, 100000);
+ }
+ else
+#endif
+ {
+ /*
+ * Actually call the ISR.
+ */
+ KiInterruptDispatch2(vector, old_level);
+ }
+
+ /*
+ * End the system interrupt.
+ */
+ _disable();
+
+ if (old_level==PASSIVE_LEVEL && Trapframe->Cs != KGDT_R0_CODE)
+ {
+ HalEndSystemInterrupt (APC_LEVEL, 0);
+
+ CurrentThread = KeGetCurrentThread();
+ if (CurrentThread!=NULL && CurrentThread->ApcState.UserApcPending)
+ {
+ DPRINT("PID: %d, TID: %d CS %04x/%04x\n",
+ ((PETHREAD)CurrentThread)->ThreadsProcess->UniqueProcessId,
+ ((PETHREAD)CurrentThread)->Cid.UniqueThread,
+ Trapframe->Cs,
+ CurrentThread->TrapFrame ? CurrentThread->TrapFrame->SegCs :
0);
+ if (CurrentThread->TrapFrame == NULL)
+ {
+ OldTrapFrame = CurrentThread->TrapFrame;
+ KeIRQTrapFrameToTrapFrame(Trapframe, &KernelTrapFrame);
+ CurrentThread->TrapFrame = &KernelTrapFrame;
+ }
+
+ _enable();
+ KiDeliverApc(UserMode, NULL, NULL);
+ _disable();
+
+ ASSERT(KeGetCurrentThread() == CurrentThread);
+ if (CurrentThread->TrapFrame == &KernelTrapFrame)
+ {
+ KeTrapFrameToIRQTrapFrame(&KernelTrapFrame, Trapframe);
+ CurrentThread->TrapFrame = OldTrapFrame;
+ }
+ }
+ KeLowerIrql(PASSIVE_LEVEL);
+ }
+ else
+ {
+ HalEndSystemInterrupt (old_level, 0);
+ }
+
+}
+
+static VOID
+KeDumpIrqList(VOID)
+{
+ PKINTERRUPT current;
+ PLIST_ENTRY current_entry;
+ LONG i, j;
+ KIRQL oldlvl;
+ BOOLEAN printed;
+
+ for (i=0;i<NR_IRQS;i++)
+ {
+ printed = FALSE;
+ KeRaiseIrql(VECTOR2IRQL(i + IRQ_BASE),&oldlvl);
+
+ for (j=0; j < KeNumberProcessors; j++)
+ {
+ KiAcquireSpinLock(&IsrTable[i][j].Lock);
+
+ current_entry = IsrTable[i][j].ListHead.Flink;
+ current = CONTAINING_RECORD(current_entry,KINTERRUPT,InterruptListEntry);
+ while (current_entry!=&(IsrTable[i][j].ListHead))
+ {
+ if (printed == FALSE)
+ {
+ printed = TRUE;
+ DPRINT("For irq %x:\n",i);
+ }
+ DPRINT(" Isr %x\n",current);
+ current_entry = current_entry->Flink;
+ current =
CONTAINING_RECORD(current_entry,KINTERRUPT,InterruptListEntry);
+ }
+ KiReleaseSpinLock(&IsrTable[i][j].Lock);
+ }
+ KeLowerIrql(oldlvl);
+ }
+}
+
+/*
+ * @implemented
+ */
+BOOLEAN
+STDCALL
+KeConnectInterrupt(PKINTERRUPT InterruptObject)
+{
+ KIRQL oldlvl,synch_oldlvl;
+ PKINTERRUPT ListHead;
+ ULONG Vector;
+ PISR_TABLE CurrentIsr;
+ BOOLEAN Result;
+
+ DPRINT("KeConnectInterrupt()\n");
+
+ Vector = InterruptObject->Vector;
+
+ if (Vector < IRQ_BASE || Vector >= IRQ_BASE + NR_IRQS)
+ return FALSE;
+
+ Vector -= IRQ_BASE;
+
+ ASSERT (InterruptObject->Number < KeNumberProcessors);
+
+ KeSetSystemAffinityThread(1 << InterruptObject->Number);
+
+ CurrentIsr = &IsrTable[Vector][(ULONG)InterruptObject->Number];
+
+ KeRaiseIrql(VECTOR2IRQL(Vector + IRQ_BASE),&oldlvl);
+ KiAcquireSpinLock(&CurrentIsr->Lock);
+
+ /*
+ * Check if the vector is already in use that we can share it
+ */
+ if (!IsListEmpty(&CurrentIsr->ListHead))
+ {
+ ListHead =
CONTAINING_RECORD(CurrentIsr->ListHead.Flink,KINTERRUPT,InterruptListEntry);
+ if (InterruptObject->ShareVector == FALSE || ListHead->ShareVector==FALSE)
+ {
+ KiReleaseSpinLock(&CurrentIsr->Lock);
+ KeLowerIrql(oldlvl);
+ KeRevertToUserAffinityThread();
+ return FALSE;
+ }
+ }
+
+ synch_oldlvl = KeAcquireInterruptSpinLock(InterruptObject);
+
+ DPRINT("%x %x\n",CurrentIsr->ListHead.Flink,
CurrentIsr->ListHead.Blink);
+
+ Result = HalEnableSystemInterrupt(Vector + IRQ_BASE, InterruptObject->Irql,
InterruptObject->Mode);
+ if (Result)
+ {
+
InsertTailList(&CurrentIsr->ListHead,&InterruptObject->InterruptListEntry);
+ DPRINT("%x %x\n",InterruptObject->InterruptListEntry.Flink,
InterruptObject->InterruptListEntry.Blink);
+ }
+
+ InterruptObject->Connected = TRUE;
+ KeReleaseInterruptSpinLock(InterruptObject, synch_oldlvl);
+
+ /*
+ * Release the table spinlock
+ */
+ KiReleaseSpinLock(&CurrentIsr->Lock);
+ KeLowerIrql(oldlvl);
+
+ KeDumpIrqList();
+
+ KeRevertToUserAffinityThread();
+
+ return Result;
+}
+
+/*
+ * @implemented
+ *
+ * FUNCTION: Releases a drivers isr
+ * ARGUMENTS:
+ * InterruptObject = isr to release
+ */
+BOOLEAN
+STDCALL
+KeDisconnectInterrupt(PKINTERRUPT InterruptObject)
+{
+ KIRQL oldlvl,synch_oldlvl;
+ PISR_TABLE CurrentIsr;
+ BOOLEAN State;
+
+ DPRINT1("KeDisconnectInterrupt\n");
+ ASSERT (InterruptObject->Number < KeNumberProcessors);
+
+ /* Set the affinity */
+ KeSetSystemAffinityThread(1 << InterruptObject->Number);
+
+ /* Get the ISR Tabe */
+ CurrentIsr = &IsrTable[InterruptObject->Vector - IRQ_BASE]
+ [(ULONG)InterruptObject->Number];
+
+ /* Raise IRQL to required level and lock table */
+ KeRaiseIrql(VECTOR2IRQL(InterruptObject->Vector),&oldlvl);
+ KiAcquireSpinLock(&CurrentIsr->Lock);
+
+ /* Check if it's actually connected */
+ if ((State = InterruptObject->Connected))
+ {
+ /* Lock the Interrupt */
+ synch_oldlvl = KeAcquireInterruptSpinLock(InterruptObject);
+
+ /* Remove this one, and check if all are gone */
+ RemoveEntryList(&InterruptObject->InterruptListEntry);
+ if (IsListEmpty(&CurrentIsr->ListHead))
+ {
+ /* Completely Disable the Interrupt */
+ HalDisableSystemInterrupt(InterruptObject->Vector,
InterruptObject->Irql);
+ }
+
+ /* Disconnect it */
+ InterruptObject->Connected = FALSE;
+
+ /* Release the interrupt lock */
+ KeReleaseInterruptSpinLock(InterruptObject, synch_oldlvl);
+ }
+ /* Release the table spinlock */
+ KiReleaseSpinLock(&CurrentIsr->Lock);
+ KeLowerIrql(oldlvl);
+
+ /* Go back to default affinity */
+ KeRevertToUserAffinityThread();
+
+ /* Return Old Interrupt State */
+ return State;
+}
+
+/*
+ * @implemented
+ */
+VOID
+STDCALL
+KeInitializeInterrupt(PKINTERRUPT Interrupt,
+ PKSERVICE_ROUTINE ServiceRoutine,
+ PVOID ServiceContext,
+ PKSPIN_LOCK SpinLock,
+ ULONG Vector,
+ KIRQL Irql,
+ KIRQL SynchronizeIrql,
+ KINTERRUPT_MODE InterruptMode,
+ BOOLEAN ShareVector,
+ CHAR ProcessorNumber,
+ BOOLEAN FloatingSave)
+{
+ /* Set the Interrupt Header */
+ Interrupt->Type = InterruptObject;
+ Interrupt->Size = sizeof(KINTERRUPT);
+
+ /* Check if we got a spinlock */
+ if (SpinLock)
+ {
+ Interrupt->ActualLock = SpinLock;
+ }
+ else
+ {
+ /* This means we'll be usin the built-in one */
+ KeInitializeSpinLock(&Interrupt->SpinLock);
+ Interrupt->ActualLock = &Interrupt->SpinLock;
+ }
+
+ /* Set the other settings */
+ Interrupt->ServiceRoutine = ServiceRoutine;
+ Interrupt->ServiceContext = ServiceContext;
+ Interrupt->Vector = Vector;
+ Interrupt->Irql = Irql;
+ Interrupt->SynchronizeIrql = SynchronizeIrql;
+ Interrupt->Mode = InterruptMode;
+ Interrupt->ShareVector = ShareVector;
+ Interrupt->Number = ProcessorNumber;
+ Interrupt->FloatingSave = FloatingSave;
+
+ /* Disconnect it at first */
+ Interrupt->Connected = FALSE;
+}
+
+VOID KePrintInterruptStatistic(VOID)
+{
+ LONG i, j;
+
+ for (j = 0; j < KeNumberProcessors; j++)
+ {
+ DPRINT1("CPU%d:\n", j);
+ for (i = 0; i < NR_IRQS; i++)
+ {
+ if (IsrTable[i][j].Count)
+ {
+ DPRINT1(" Irq %x(%d): %d\n", i, VECTOR2IRQ(i + IRQ_BASE),
IsrTable[i][j].Count);
+ }
+ }
+ }
+}
+
+/* EOF */
Added: branches/arty-stable/reactos/ntoskrnl/deprecated/irqhand.S
URL:
http://svn.reactos.org/svn/reactos/branches/arty-stable/reactos/ntoskrnl/de…
==============================================================================
--- branches/arty-stable/reactos/ntoskrnl/deprecated/irqhand.S (added)
+++ branches/arty-stable/reactos/ntoskrnl/deprecated/irqhand.S Sun Dec 3 14:25:56 2006
@@ -1,0 +1,99 @@
+#include <ndk/asm.h>
+#include <../hal/halx86/include/halirq.h>
+
+_KiCommonInterrupt:
+ cld
+ pushl %ds
+ pushl %es
+ pushl %fs
+ pushl %gs
+ pushl $0xceafbeef
+
+ /* Load DS/ES (with override) */
+ .intel_syntax noprefix
+ mov eax, KGDT_R3_DATA + RPL_MASK
+ .byte 0x66
+ mov ds, ax
+ .byte 0x66
+ mov es, ax
+
+ /* Clear gs */
+ xor eax, eax
+ .byte 0x66
+ mov gs, ax
+ .att_syntax
+ movl $KGDT_R0_PCR,%eax
+ movl %eax,%fs
+ pushl %esp
+ pushl %ebx
+ call _KiInterruptDispatch3
+ addl $0xC, %esp
+ popl %gs
+ popl %fs
+ popl %es
+ popl %ds
+ popa
+ iret
+
+
+#ifdef CONFIG_SMP
+
+#define BUILD_INTERRUPT_HANDLER(intnum) \
+ .global _KiUnexpectedInterrupt##intnum; \
+ _KiUnexpectedInterrupt##intnum:; \
+ pusha; \
+ movl $0x##intnum, %ebx; \
+ jmp _KiCommonInterrupt;
+
+/* Interrupt handlers and declarations */
+
+#define B(x,y) \
+ BUILD_INTERRUPT_HANDLER(x##y)
+
+#define B16(x) \
+ B(x,0) B(x,1) B(x,2) B(x,3) \
+ B(x,4) B(x,5) B(x,6) B(x,7) \
+ B(x,8) B(x,9) B(x,A) B(x,B) \
+ B(x,C) B(x,D) B(x,E) B(x,F)
+
+B16(3) B16(4) B16(5) B16(6)
+B16(7) B16(8) B16(9) B16(A)
+B16(B) B16(C) B16(D) B16(E)
+B16(F)
+
+#undef B
+#undef B16
+#undef BUILD_INTERRUPT_HANDLER
+
+#else /* CONFIG_SMP */
+
+#define BUILD_INTERRUPT_HANDLER(intnum) \
+ .global _irq_handler_##intnum; \
+ _irq_handler_##intnum:; \
+ pusha; \
+ movl $(##intnum + IRQ_BASE), %ebx; \
+ jmp _KiCommonInterrupt;
+
+/* Interrupt handlers and declarations */
+
+#define B(x) \
+ BUILD_INTERRUPT_HANDLER(x)
+
+B(0) B(1) B(2) B(3)
+B(4) B(5) B(6) B(7)
+B(8) B(9) B(10) B(11)
+B(12) B(13) B(14) B(15)
+
+#undef B
+#undef BUILD_INTERRUPT_HANDLER
+
+#endif /* CONFIG_SMP */
+
+.intel_syntax noprefix
+.globl _KiUnexpectedInterrupt@0
+_KiUnexpectedInterrupt@0:
+
+ /* Bugcheck with invalid interrupt code */
+ push 0x12
+ call _KeBugCheck@4
+
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