[AVR32] NMI debugging
Change the NMI handler to use the die notifier chain to signal anyone
who cares. Add a simple "nmi debugger" which hooks into this chain and
that may dump registers, task state, etc. when it happens.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
diff --git a/arch/avr32/kernel/irq.c b/arch/avr32/kernel/irq.c
index 61f2de2..a8e767d 100644
--- a/arch/avr32/kernel/irq.c
+++ b/arch/avr32/kernel/irq.c
@@ -25,6 +25,17 @@
printk("unexpected IRQ %u\n", irq);
}
+/* May be overridden by platform code */
+int __weak nmi_enable(void)
+{
+ return -ENOSYS;
+}
+
+void __weak nmi_disable(void)
+{
+
+}
+
#ifdef CONFIG_PROC_FS
int show_interrupts(struct seq_file *p, void *v)
{