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/*
* irq.c
*
* (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com>
*
* 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.
*/
#include <linux/types.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/kernel_stat.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/seq_file.h>
#include <asm/system.h>
#include <asm/traps.h>
asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
{
struct pt_regs *oldregs = set_irq_regs(regs);
irq_enter();
generic_handle_irq(irq);
irq_exit();
set_irq_regs(oldregs);
}
int show_interrupts(struct seq_file *p, void *v)
{
struct irqaction *ap;
int irq = *((loff_t *) v);
if (irq == 0)
seq_puts(p, " CPU0\n");
if (irq < NR_IRQS) {
struct irq_desc *desc = irq_to_desc(irq);
ap = desc->action;
if (ap) {
seq_printf(p, "%3d: ", irq);
seq_printf(p, "%10u ", kstat_irqs(irq));
seq_printf(p, "%14s ", get_irq_desc_chip(desc)->name);
seq_printf(p, "%s", ap->name);
for (ap = ap->next; ap; ap = ap->next)
seq_printf(p, ", %s", ap->name);
seq_putc(p, '\n');
}
}
return 0;
}
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