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[HAL] Eliminate tail calls from HalpHardwareInterruptLevel. CORE-14076

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Thomas Faber 2018-02-18 12:51:16 +01:00
parent b4453242f7
commit 888ace4397
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GPG key ID: 076E7C3D44720826
2 changed files with 7 additions and 4 deletions
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1
hal/halx86/up/pic.S
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@ -75,5 +75,6 @@ DEFINE_END_INTERRUPT_WRAPPER HalpEndSoftwareInterrupt, HalpEndSoftwareInterrupt2
DEFINE_END_INTERRUPT_WRAPPER HalEndSystemInterrupt, HalEndSystemInterrupt2 DEFINE_END_INTERRUPT_WRAPPER HalEndSystemInterrupt, HalEndSystemInterrupt2
DEFINE_INTERRUPT_WRAPPER HalpDispatchInterrupt, HalpDispatchInterrupt2 DEFINE_INTERRUPT_WRAPPER HalpDispatchInterrupt, HalpDispatchInterrupt2
DEFINE_INTERRUPT_WRAPPER HalpHardwareInterruptLevel, HalpHardwareInterruptLevel2
END END

10
hal/halx86/up/pic.c
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@ -1015,9 +1015,9 @@ HalpDismissIrq07Level(IN KIRQL Irql,
return _HalpDismissIrqLevel(Irql, Irq, OldIrql); return _HalpDismissIrqLevel(Irql, Irq, OldIrql);
} }
VOID PHAL_SW_INTERRUPT_HANDLER
__cdecl __cdecl
HalpHardwareInterruptLevel(VOID) HalpHardwareInterruptLevel2(VOID)
{ {
PKPCR Pcr = KeGetPcr(); PKPCR Pcr = KeGetPcr();
ULONG PendingIrqlMask, PendingIrql; ULONG PendingIrqlMask, PendingIrql;
@ -1027,7 +1027,7 @@ HalpHardwareInterruptLevel(VOID)
if (PendingIrqlMask) if (PendingIrqlMask)
{ {
/* Check for in-service delayed interrupt */ /* Check for in-service delayed interrupt */
if (Pcr->IrrActive & 0xFFFFFFF0) return; if (Pcr->IrrActive & 0xFFFFFFF0) return NULL;
/* Check if pending IRQL affects hardware state */ /* Check if pending IRQL affects hardware state */
BitScanReverse(&PendingIrql, PendingIrqlMask); BitScanReverse(&PendingIrql, PendingIrqlMask);
@ -1036,8 +1036,10 @@ HalpHardwareInterruptLevel(VOID)
Pcr->IRR ^= (1 << PendingIrql); Pcr->IRR ^= (1 << PendingIrql);
/* Now handle pending interrupt */ /* Now handle pending interrupt */
SWInterruptHandlerTable[PendingIrql](); return SWInterruptHandlerTable[PendingIrql];
} }
return NULL;
} }
/* SYSTEM INTERRUPTS **********************************************************/ /* SYSTEM INTERRUPTS **********************************************************/