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- Simplified the irq lock table.

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- Enabled interrupts while calling KiDeliverApc.

svn path=/trunk/; revision=11842
This commit is contained in:
Hartmut Birr 2004-11-27 19:24:15 +00:00
parent e0b921f698
commit 728ecbbafb
1 changed files with 17 additions and 21 deletions
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38
reactos/ntoskrnl/ke/i386/irq.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
/* $Id: irq.c,v 1.55 2004/11/10 02:51:00 ion Exp $ /* $Id: irq.c,v 1.56 2004/11/27 19:24:15 hbirr Exp $
* *
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
* FILE: ntoskrnl/ke/i386/irq.c * FILE: ntoskrnl/ke/i386/irq.c
@ -182,9 +182,9 @@ static unsigned int irq_handler[NR_IRQS]=
* be accessed at any irq level. * be accessed at any irq level.
*/ */
static LIST_ENTRY isr_table[NR_IRQS]={{NULL,NULL},}; static LIST_ENTRY isr_table[NR_IRQS];
static PKSPIN_LOCK isr_lock[NR_IRQS] = {NULL,}; static KSPIN_LOCK isr_lock[NR_IRQS];
static KSPIN_LOCK isr_table_lock = {0,}; static KSPIN_LOCK isr_table_lock;
#define TAG_ISR_LOCK TAG('I', 'S', 'R', 'L') #define TAG_ISR_LOCK TAG('I', 'S', 'R', 'L')
@ -207,7 +207,9 @@ KeInitInterrupts (VOID)
KiIdt[IRQ_BASE+i].b=(irq_handler[i]&0xffff0000)+PRESENT+ KiIdt[IRQ_BASE+i].b=(irq_handler[i]&0xffff0000)+PRESENT+
I486_INTERRUPT_GATE; I486_INTERRUPT_GATE;
InitializeListHead(&isr_table[i]); InitializeListHead(&isr_table[i]);
KeInitializeSpinLock(&isr_lock[i]);
} }
KeInitializeSpinLock(&isr_table_lock);
} }
STATIC VOID STATIC VOID
@ -360,8 +362,10 @@ KiInterruptDispatch (ULONG vector, PKIRQ_TRAPFRAME Trapframe)
KeIRQTrapFrameToTrapFrame(Trapframe, &KernelTrapFrame); KeIRQTrapFrameToTrapFrame(Trapframe, &KernelTrapFrame);
CurrentThread->TrapFrame = &KernelTrapFrame; CurrentThread->TrapFrame = &KernelTrapFrame;
} }
Ke386EnableInterrupts();
KiDeliverApc(KernelMode, NULL, NULL); KiDeliverApc(KernelMode, NULL, NULL);
Ke386DisableInterrupts();
ASSERT(KeGetCurrentThread() == CurrentThread); ASSERT(KeGetCurrentThread() == CurrentThread);
if (CurrentThread->TrapFrame == &KernelTrapFrame) if (CurrentThread->TrapFrame == &KernelTrapFrame)
@ -382,16 +386,15 @@ KeDumpIrqList(VOID)
for (i=0;i<NR_IRQS;i++) for (i=0;i<NR_IRQS;i++)
{ {
DPRINT("For irq %x ",i); DPRINT("For irq %x:\n",i);
current_entry = isr_table[i].Flink; current_entry = isr_table[i].Flink;
current = CONTAINING_RECORD(current_entry,KINTERRUPT,Entry); current = CONTAINING_RECORD(current_entry,KINTERRUPT,Entry);
while (current_entry!=(&isr_table[i])) while (current_entry!=(&isr_table[i]))
{ {
DPRINT("Isr %x ",current); DPRINT(" Isr %x\n",current);
current_entry = current_entry->Flink; current_entry = current_entry->Flink;
current = CONTAINING_RECORD(current_entry,KINTERRUPT,Entry); current = CONTAINING_RECORD(current_entry,KINTERRUPT,Entry);
} }
DPRINT("\n",0);
} }
} }
@ -424,21 +427,14 @@ KeConnectInterrupt(PKINTERRUPT InterruptObject)
* Check if the vector is already in use that we can share it * Check if the vector is already in use that we can share it
*/ */
ListHead = CONTAINING_RECORD(isr_table[Vector].Flink,KINTERRUPT,Entry); ListHead = CONTAINING_RECORD(isr_table[Vector].Flink,KINTERRUPT,Entry);
if (!IsListEmpty(&isr_table[Vector]) && if (!IsListEmpty(&isr_table[Vector]) &&
(InterruptObject->Shareable == FALSE || ListHead->Shareable==FALSE)) (InterruptObject->Shareable == FALSE || ListHead->Shareable==FALSE))
{ {
KeReleaseSpinLock(&isr_table_lock,oldlvl); KeReleaseSpinLock(&isr_table_lock,oldlvl);
return FALSE; return FALSE;
} }
else
{
isr_lock[Vector] =
ExAllocatePoolWithTag(NonPagedPool, sizeof(KSPIN_LOCK),
TAG_ISR_LOCK);
KeInitializeSpinLock(isr_lock[Vector]);
}
InterruptObject->IrqLock = isr_lock[Vector]; InterruptObject->IrqLock = &isr_lock[Vector];
KeRaiseIrql(InterruptObject->SynchLevel,&synch_oldlvl); KeRaiseIrql(InterruptObject->SynchLevel,&synch_oldlvl);
KiAcquireSpinLock(InterruptObject->IrqLock); KiAcquireSpinLock(InterruptObject->IrqLock);