irq.h File Reference

Leon3 IRQ management. More...

#include "ioports.h"

Go to the source code of this file.

Macros
#define	IRQMP_BASE   0x80000200
#define	IRQMP_CLEAR_OFFSET   0x10U
#define	IRQMP_MASK0_OFFSET   0x40U
#define	unmask_irq(irq_nbr)
#define	ack_irq(irq_nbr)   outw(IRQMP_BASE + IRQMP_CLEAR_OFFSET, (1 << (irq_nbr)))

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Detailed Description

Leon3 IRQ management.

Author:

Fabien Chouteau

Definition in file irq.h.

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Macro Definition Documentation

#define ack_irq

(

irq_nbr

)

outw(IRQMP_BASE + IRQMP_CLEAR_OFFSET, (1 << (irq_nbr)))

Acknowledge the given irq.

Definition at line 44 of file irq.h.

#define IRQMP_BASE   0x80000200

Leon3 IRQMP IO adress

Definition at line 28 of file irq.h.

#define IRQMP_CLEAR_OFFSET   0x10U

Clear register offset

Definition at line 30 of file irq.h.

#define IRQMP_MASK0_OFFSET   0x40U

Mask register offset

Definition at line 31 of file irq.h.

#define unmask_irq

(

irq_nbr

)

Value:

outw(IRQMP_BASE + IRQMP_MASK0_OFFSET,       \
                                 inb(IRQMP_BASE + IRQMP_MASK0_OFFSET) | (1 << (irq_nbr)))

Unmask the given irq.

Definition at line 37 of file irq.h.