File: irq.h

package info (click to toggle)
kernel-source-2.1.125 2.1.125-1
  • links: PTS
  • area: main
  • in suites: slink
  • size: 61,100 kB
  • ctags: 177,944
  • sloc: ansic: 1,045,652; asm: 47,658; makefile: 7,656; sh: 1,038; perl: 836; cpp: 521; tcl: 427; lisp: 218; awk: 133; sed: 72
file content (38 lines) | stat: -rw-r--r-- 919 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
/*
 * include/asm-mips/irq.h
 *
 * 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
 *
 */
#ifndef __ASM_MIPS_IRQ_H
#define __ASM_MIPS_IRQ_H

/*
 * Actually this is a lie but we hide the local device's interrupts ...
 */
#define NR_IRQS 64

#define TIMER_IRQ 0

extern int (*irq_cannonicalize)(int irq);

struct irqaction;
extern int setup_x86_irq(int irq, struct irqaction * new);
extern void disable_irq(unsigned int);
extern void enable_irq(unsigned int);

extern unsigned int local_irq_count[];

#ifdef __SMP__
#error Send superfluous SMP boxes to ralf@uni-koblenz.de
#else
#define irq_enter(cpu, irq)     (++local_irq_count[cpu])
#define irq_exit(cpu, irq)      (--local_irq_count[cpu])
#endif

#endif /* __ASM_MIPS_IRQ_H */