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/* MN10300 Hardware IRQ statistics and management
*
* Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
* Modified by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#ifndef _ASM_HARDIRQ_H
#define _ASM_HARDIRQ_H
#include <linux/threads.h>
#include <linux/irq.h>
#include <asm/exceptions.h>
/* assembly code in softirq.h is sensitive to the offsets of these fields */
typedef struct {
unsigned int __softirq_pending;
#ifdef CONFIG_MN10300_WD_TIMER
unsigned int __nmi_count; /* arch dependent */
unsigned int __irq_count; /* arch dependent */
#endif
} ____cacheline_aligned irq_cpustat_t;
#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
extern void ack_bad_irq(int irq);
/*
* manipulate stubs in the MN10300 CPU Trap/Interrupt Vector table
* - these should jump to __common_exception in entry.S unless there's a good
* reason to do otherwise (see trap_preinit() in traps.c)
*/
typedef void (*intr_stub_fnx)(struct pt_regs *regs,
enum exception_code intcode);
/*
* manipulate pointers in the Exception table (see entry.S)
* - these are indexed by decoding the lower 24 bits of the TBR register
* - note that the MN103E010 doesn't always trap through the correct vector,
* but does always set the TBR correctly
*/
extern asmlinkage void set_excp_vector(enum exception_code code,
intr_stub_fnx handler);
#endif /* _ASM_HARDIRQ_H */