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- Disable interrupts while in HalpLowerIrql
- Properly handle IRR. - Call IRR Handlers through the SWINT table. svn path=/trunk/; revision=23659
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@ -93,7 +93,8 @@ SoftIntByteTable:
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.byte DISPATCH_LEVEL /* IRR 6 */
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.byte DISPATCH_LEVEL /* IRR 7 */
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SoftIntHandlerTable:
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.globl _SoftIntHandlerTable
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_SoftIntHandlerTable:
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.long _KiUnexpectedInterrupt /* PASSIVE_LEVEL */
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.long _HalpApcInterrupt /* APC_LEVEL */
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.long _HalpDispatchInterrupt /* DISPATCH_LEVEL */
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@ -179,7 +180,7 @@ _@HalRequestSoftwareInterrupt@4:
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/* Call the pending interrupt */
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jmp $
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call SoftIntHandlerTable[edx*4]
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call _SoftIntHandlerTable[edx*4]
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AfterCall:
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@ -23,8 +23,8 @@ UCHAR Table[8] =
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2, 2, 2, 2
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};
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VOID HalpDispatchInterrupt(VOID);
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VOID HalpApcInterrupt(VOID);
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typedef VOID (*PSW_HANDLER)(VOID);
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extern PSW_HANDLER SoftIntHandlerTable[];
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/* FUNCTIONS ****************************************************************/
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@ -34,6 +34,10 @@ VOID STATIC
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HalpLowerIrql(KIRQL NewIrql)
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{
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ULONG Mask;
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ULONG Flags;
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Ki386SaveFlags(Flags);
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Ki386DisableInterrupts();
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if (KeGetPcr()->Irql > DISPATCH_LEVEL)
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{
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@ -46,34 +50,21 @@ HalpLowerIrql(KIRQL NewIrql)
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if (NewIrql >= PROFILE_LEVEL)
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{
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KeGetPcr()->Irql = NewIrql;
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Ki386RestoreFlags(Flags);
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return;
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}
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if (NewIrql >= DISPATCH_LEVEL)
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{
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KeGetPcr()->Irql = NewIrql;
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Ki386RestoreFlags(Flags);
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return;
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}
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KeGetPcr()->Irql = DISPATCH_LEVEL;
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if (Table[KeGetPcr()->IRR] >= NewIrql)
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KeGetPcr()->Irql = NewIrql;
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if (Table[KeGetPcr()->IRR] > NewIrql)
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{
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if (Table[KeGetPcr()->IRR] == DISPATCH_LEVEL)
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{
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HalpDispatchInterrupt();
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}
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SoftIntHandlerTable[Table[KeGetPcr()->IRR]]();
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}
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KeGetPcr()->Irql = APC_LEVEL;
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if (NewIrql == APC_LEVEL)
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{
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return;
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}
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if (Table[KeGetPcr()->IRR] >= NewIrql)
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{
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if (Table[KeGetPcr()->IRR] == APC_LEVEL)
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{
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HalpApcInterrupt();
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}
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}
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KeGetPcr()->Irql = PASSIVE_LEVEL;
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Ki386RestoreFlags(Flags);
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}
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/**********************************************************************
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