1/*
2 * linux/arch/m32r/kernel/irq.c
3 *
4 *  Copyright (c) 2003, 2004  Hitoshi Yamamoto
5 *  Copyright (c) 2004  Hirokazu Takata <takata at linux-m32r.org>
6 */
7
8/*
9 *	linux/arch/i386/kernel/irq.c
10 *
11 *	Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar
12 *
13 * This file contains the lowest level m32r-specific interrupt
14 * entry and irq statistics code. All the remaining irq logic is
15 * done by the generic kernel/irq/ code and in the
16 * m32r-specific irq controller code.
17 */
18
19#include <linux/kernel_stat.h>
20#include <linux/interrupt.h>
21#include <linux/module.h>
22#include <asm/uaccess.h>
23
24/*
25 * do_IRQ handles all normal device IRQs (the special
26 * SMP cross-CPU interrupts have their own specific
27 * handlers).
28 */
29asmlinkage unsigned int do_IRQ(int irq, struct pt_regs *regs)
30{
31	struct pt_regs *old_regs;
32	old_regs = set_irq_regs(regs);
33	irq_enter();
34
35#ifdef CONFIG_DEBUG_STACKOVERFLOW
36	/* FIXME M32R */
37#endif
38	generic_handle_irq(irq);
39	irq_exit();
40	set_irq_regs(old_regs);
41
42	return 1;
43}
44