57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
/*
|
|
* 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) {
|
|
ap = irq_desc[irq].action;
|
|
if (ap) {
|
|
seq_printf(p, "%3d: ", irq);
|
|
seq_printf(p, "%10u ", kstat_irqs(irq));
|
|
seq_printf(p, "%14s ", irq_desc[irq].chip->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;
|
|
}
|
|
|