You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.3 KiB
56 lines
1.3 KiB
20 years ago
|
/*
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
* Copyright (C) 1994 by Waldorf GMBH, written by Ralf Baechle
|
||
|
|
* Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02, 03 by Ralf Baechle
|
||
|
|
*/
|
||
|
|
#ifndef _ASM_IRQ_H
|
||
|
|
#define _ASM_IRQ_H
|
||
|
|
|
||
|
|
#include <linux/config.h>
|
||
|
|
#include <linux/linkage.h>
|
||
|
|
#include <irq.h>
|
||
|
|
|
||
|
|
#ifdef CONFIG_I8259
|
||
|
|
static inline int irq_canonicalize(int irq)
|
||
|
|
{
|
||
|
|
return ((irq == 2) ? 9 : irq);
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
#define irq_canonicalize(irq) (irq) /* Sane hardware, sane code ... */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
struct pt_regs;
|
||
|
|
|
||
|
|
#ifdef CONFIG_PREEMPT
|
||
|
|
|
||
|
|
extern asmlinkage unsigned int do_IRQ(unsigned int irq, struct pt_regs *regs);
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
/*
|
||
|
|
* do_IRQ handles all normal device IRQ's (the special
|
||
|
|
* SMP cross-CPU interrupts have their own specific
|
||
|
|
* handlers).
|
||
|
|
*
|
||
|
|
* Ideally there should be away to get this into kernel/irq/handle.c to
|
||
|
|
* avoid the overhead of a call for just a tiny function ...
|
||
|
|
*/
|
||
|
|
#define do_IRQ(irq, regs) \
|
||
|
|
do { \
|
||
|
|
irq_enter(); \
|
||
|
|
__do_IRQ((irq), (regs)); \
|
||
|
|
irq_exit(); \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
extern void arch_init_irq(void);
|
||
|
|
|
||
|
|
struct irqaction;
|
||
|
|
int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *);
|
||
|
|
|
||
|
|
#endif /* _ASM_IRQ_H */
|