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/*
* Copyright (C) 2006 Atmark Techno, Inc.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#ifndef _ASM_MICROBLAZE_IRQ_H
#define _ASM_MICROBLAZE_IRQ_H
#define NR_IRQS 32
#include <asm-generic/irq.h>
/* This type is the placeholder for a hardware interrupt number. It has to
* be big enough to enclose whatever representation is used by a given
* platform.
*/
typedef unsigned long irq_hw_number_t;
extern unsigned int nr_irq;
#define NO_IRQ (-1)
struct pt_regs;
extern void do_IRQ(struct pt_regs *regs);
/** FIXME - not implement
* irq_dispose_mapping - Unmap an interrupt
* @virq: linux virq number of the interrupt to unmap
*/
static inline void irq_dispose_mapping(unsigned int virq)
{
return;
}
struct irq_host;
/**
* irq_create_mapping - Map a hardware interrupt into linux virq space
* @host: host owning this hardware interrupt or NULL for default host
* @hwirq: hardware irq number in that host space
*
* Only one mapping per hardware interrupt is permitted. Returns a linux
* virq number.
* If the sense/trigger is to be specified, set_irq_type() should be called
* on the number returned from that call.
*/
extern unsigned int irq_create_mapping(struct irq_host *host,
irq_hw_number_t hwirq);
#endif /* _ASM_MICROBLAZE_IRQ_H */
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