#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/ioport.h> /* request_region, check_region, release_region */
#include <linux/init.h>         /* Needed for the macros */

#define MAGICNUM 0x14000000
#define DEVNAME "/dev/sgifazza"

int port;

static int __init hello_init(void) {
    int result;
    printk("<1>Crime driver TEST!\n");
    port = check_region(MAGICNUM, 1);
    if (port) {
        printk("<1>sgifazza: cannot reserve 0x14000000\n");
        result = port;
        return -1;
    }
    request_region(MAGICNUM, 1, DEVNAME);
    return 0;
}

static void __exit hello_exit(void) {
    /* Make port free! */
    if (!port) {
        release_region(MAGICNUM,1);
    }
    printk("<1> Bye, cruel world [Crime driver TEST]\n");
}

module_init(hello_init);
module_exit(hello_exit);

MODULE_AUTHOR("tua sorella");
MODULE_DESCRIPTION("è un po'mignotta");
MODULE_LICENSE("DTFYWL");