Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * include/asm-v850/irq.h -- Machine interrupt handling

 *

 *  Copyright (C) 2001,02,04  NEC Electronics Corporation

 *  Copyright (C) 2001,02,04  Miles Bader <miles@gnu.org>

 *

 * 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.

 *

 * Written by Miles Bader <miles@gnu.org>

 */

#ifndef __V850_IRQ_H__

#define __V850_IRQ_H__

#include <asm/machdep.h>

/* Default NUM_MACH_IRQS.  */

#ifndef NUM_MACH_IRQS

#define NUM_MACH_IRQS   NUM_CPU_IRQS

#endif

/* NMIs have IRQ numbers from FIRST_NMI to FIRST_NMI+NUM_NMIS-1.  */

#define FIRST_NMI       NUM_MACH_IRQS

#define IRQ_NMI(n)      (FIRST_NMI + (n))

/* v850 processors have 3 non-maskable interrupts.  */

#define NUM_NMIS        3

/* Includes both maskable and non-maskable irqs.  */

#define NR_IRQS         (NUM_MACH_IRQS + NUM_NMIS)

#ifndef __ASSEMBLY__

struct pt_regs;

struct hw_interrupt_type;

struct irqaction;

#define irq_canonicalize(irq)   (irq)

/* Initialize irq handling for IRQs.

   BASE_IRQ, BASE_IRQ+INTERVAL, ..., BASE_IRQ+NUM*INTERVAL

   to IRQ_TYPE.  An IRQ_TYPE of 0 means to use a generic interrupt type.  */

extern void

init_irq_handlers (int base_irq, int num, int interval,

                   struct hw_interrupt_type *irq_type);

/* Handle interrupt IRQ.  REGS are the registers at the time of ther

   interrupt.  */

extern unsigned int handle_irq (int irq, struct pt_regs *regs);

#endif /* !__ASSEMBLY__ */

#endif /* __V850_IRQ_H__ */