first module programming Error

hoshangi · 08-03-2008, 11:07 PM

hi
i want to start module programming but i don't know how;
i write a module Hello-1.c and compile it with a make file but the following Error has appear :

make -C /lib/modules/2.6.13-15-default/build M=/root/Desktop modules
make[1]: Entering directory `/usr/src/linux-2.6.13-15-obj/i386/default'
make[1]: *** No rule to make target `modules'. Stop.
make[1]: Leaving directory `/usr/src/linux-2.6.13-15-obj/i386/default'
make: *** [all] Error 2

the Hello-1.c:

#include <linux/module.h> /*needed by all modules */
#include <linux/kernel.h> /*needed for Macros like KERN_INFO */

int init_module(void) /* this
function is called as initialization for all modules */

{
printk(KERN_INFO “Hello World1.\n”);

/* if this function returns non
zero means init_module failed and
this module can’t be loaded .
*/
return 0;
}

void cleanup_module(void) /* it is
called when module is terminated and unloaded */
{
printk( KERN_INFO “Goodbye World1.\n”);
}

the Makefile:

obj-m += hello-1.o
all :
make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
clean:
make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean

storkus · 08-04-2008, 02:49 AM

It helps if you post your message in the right place. Since you want to do Linux kernel programming, your best place to start would be www.kernelnewbies.org which is all about kernel development.

Mike

hoshangi · 08-04-2008, 11:40 PM

there is no anyone to help me

i went to the above link and post this topic there but no one answer me;
please help me i getting confuse ;

raj.aprilfool · 08-05-2008, 02:04 AM

http://tldp.org/LDP/lkmpg/

nice link.... or read Linux Device Drivers, by Alessandro Rubini, O'Reilly Pub. ... go thro' at least 2nd chapter

storkus · 08-05-2008, 04:11 AM

Quote:

Originally Posted by raj.aprilfool

http://tldp.org/LDP/lkmpg/

nice link.... or read Linux Device Drivers, by Alessandro Rubini, O'Reilly Pub. ... go thro' at least 2nd chapter

OOOH, I didn't know there was a whole online book on kernel modules and such! I'm keeping that link around for reference!

Thanks from both of us!

Mike