diff options
Diffstat (limited to 'arch/m68knommu/kernel/irq.c')
| -rw-r--r-- | arch/m68knommu/kernel/irq.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/arch/m68knommu/kernel/irq.c b/arch/m68knommu/kernel/irq.c new file mode 100644 index 0000000..bba1bb4 --- /dev/null +++ b/arch/m68knommu/kernel/irq.c @@ -0,0 +1,82 @@ +/* + * 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(); + __do_IRQ(irq); + irq_exit(); + + set_irq_regs(oldregs); +} + +void ack_bad_irq(unsigned int irq) +{ + printk(KERN_ERR "IRQ: unexpected irq=%d\n", irq); +} + +static struct irq_chip m_irq_chip = { + .name = "M68K-INTC", + .enable = enable_vector, + .disable = disable_vector, + .ack = ack_vector, +}; + +void __init init_IRQ(void) +{ + int irq; + + init_vectors(); + + for (irq = 0; (irq < NR_IRQS); irq++) { + irq_desc[irq].status = IRQ_DISABLED; + irq_desc[irq].action = NULL; + irq_desc[irq].depth = 1; + irq_desc[irq].chip = &m_irq_chip; + } +} + +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; +} + |