4 * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com>
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file COPYING in the main directory of this archive
11 #include <linux/types.h>
12 #include <linux/init.h>
13 #include <linux/kernel.h>
14 #include <linux/kernel_stat.h>
15 #include <linux/interrupt.h>
16 #include <linux/irq.h>
17 #include <linux/seq_file.h>
18 #include <asm/system.h>
19 #include <asm/traps.h>
21 asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
23 struct pt_regs *oldregs = set_irq_regs(regs);
26 generic_handle_irq(irq);
29 set_irq_regs(oldregs);
32 #if !defined(CONFIG_COLDFIRE)
34 static struct irq_chip m_irq_chip = {
36 .enable = enable_vector,
37 .disable = disable_vector,
41 void __init init_IRQ(void)
47 for (irq = 0; (irq < NR_IRQS); irq++) {
48 irq_desc[irq].status = IRQ_DISABLED;
49 irq_desc[irq].action = NULL;
50 irq_desc[irq].depth = 1;
51 irq_desc[irq].chip = &m_irq_chip;
57 int show_interrupts(struct seq_file *p, void *v)
60 int irq = *((loff_t *) v);
63 seq_puts(p, " CPU0\n");
66 ap = irq_desc[irq].action;
68 seq_printf(p, "%3d: ", irq);
69 seq_printf(p, "%10u ", kstat_irqs(irq));
70 seq_printf(p, "%14s ", irq_desc[irq].chip->name);
72 seq_printf(p, "%s", ap->name);
73 for (ap = ap->next; ap; ap = ap->next)
74 seq_printf(p, ", %s", ap->name);