reactos/hal/halx86/include/halirq.h

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#pragma once
#ifdef _MINIHAL_
#define VECTOR2IRQ(vector) ((vector) - PRIMARY_VECTOR_BASE)
#define VECTOR2IRQL(vector) (PROFILE_LEVEL - VECTOR2IRQ(vector))
#define IRQ2VECTOR(irq) ((irq) + PRIMARY_VECTOR_BASE)
#define HalpVectorToIrq(vector) ((vector) - PRIMARY_VECTOR_BASE)
#define HalpVectorToIrql(vector) (PROFILE_LEVEL - VECTOR2IRQ(vector))
#define HalpIrqToVector(irq) ((irq) + PRIMARY_VECTOR_BASE)
#else
UCHAR
FASTCALL
HalpIrqToVector(UCHAR Irq);
KIRQL
FASTCALL
HalpVectorToIrql(UCHAR Vector);
UCHAR
FASTCALL
HalpVectorToIrq(UCHAR Vector);
#define VECTOR2IRQ(vector) HalpVectorToIrq(vector)
#define VECTOR2IRQL(vector) HalpVectorToIrql(vector)
#define IRQ2VECTOR(irq) HalpIrqToVector(irq)
#endif