#include <linux/proc_fs.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/interrupt.h>

MODULE_LICENSE("mine");
size_t count = 0;
size_t last_fib;

ssize_t proc_read(struct file *fp, char *user_buffer, size_t ub_size, loff_t *offp ){
	if(*offp)
		return 0;
	{
		size_t readlen = snprintf(user_buffer, ub_size, "Interrupts: %lu\n", count);
		*offp += readlen;
		return readlen;
	}
}

struct proc_ops operations = {
	proc_read:  proc_read
};

irq_handler_t keyboard_interrupt_action (int irq, void *dev_id, struct pt_regs *regs){
	printk("We have interrupt 1");
	count++;

	return (irq_handler_t) IRQ_HANDLED;
}

int init_module() {
	request_irq(1, (irq_handler_t)keyboard_interrupt_action, IRQF_DISABLED, "Our IRQ Handler", (void*)keyboard_interrupt_action);
	proc_create("irqcount", 0, 0, &operations);
	return 0;
}

void cleanup_module() {
	free_irq(1, (void*)keyboard_interrupt_action);
	remove_proc_entry("irqcount", 0);
}