khello/khello.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Thu, 16 Apr 2009 12:49:12 +0200
changeset 53 6b3d7e3418c1
parent 50 a38f102556e5
child 77 49e0babccb23
permissions -rw-r--r--
getch.c renamed to cross_getch.c committer: Markus Bröker <mbroeker@largo.homelinux.org>
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
50
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     1
/*
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     2
 *  hello-1.c - The simplest kernel module.
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     3
 */
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     4
#include <linux/module.h>       /* Needed by all modules */
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     5
#include <linux/kernel.h>       /* Needed for KERN_INFO */
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     6
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     7
int init_module (void)
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     8
{
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     9
    printk (KERN_INFO "Hello world 1.\n");
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    10
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    11
    /*
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    12
     * A non 0 return means init_module failed; module can't be loaded.
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    13
     */
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    14
    return 0;
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    15
}
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    16
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    17
void cleanup_module (void)
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    18
{
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    19
    printk (KERN_INFO "Goodbye world 1.\n");
a38f102556e5 khello: a nice kernel module
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    20
}