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#include <linux/init.h> /* Needed by all modules */
#include <linux/kernel.h>/* Needed for KERN_ALERT */
int init_module(void)
{
printk("Hello world 1.\n");
// A non 0 return means init_module failed; module can't ...
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- 03-29-2008 #1Just Joined!
- Join Date
- Mar 2008
- Posts
- 6
Error in compiling hello world module
#include <linux/init.h> /* Needed by all modules */
#include <linux/kernel.h>/* Needed for KERN_ALERT */
int init_module(void)
{
printk("Hello world 1.\n");
// A non 0 return means init_module failed; module can't be loaded.
return 0;
}
void cleanup_module(void)
{
printk("Goodbye world 1.\n");
}
the make file for this program is::
obj-m:=hello1.o
all:
make -C /lib/modules/`uname -r`/kernel/fs M=$(PWD) modules
clean:
make -C /lib/modules/'uname -r'/kernel/fs M=$(PWD) clean
and the error encountered is::
[neferteti@localhost prog 1]$ make
make -C /lib/modules/`uname -r`/kernel/fs M=/home/neferteti/Documents/programs/kernel modules/prog 1 modules
make[1]: Entering directory `/lib/modules/2.6.17-5mdv/kernel/fs'
make[1]: *** No rule to make target `modules/prog'. Stop.
make[1]: Leaving directory `/lib/modules/2.6.17-5mdv/kernel/fs'
make: *** [all] Error 2
i think am not able to form kernal object file from the c object file.
please help me out in correcting the makefile
- 03-31-2008 #2Just Joined!
- Join Date
- Jun 2006
- Posts
- 29
try this Makefile
Code:obj-m += hello1.o KVER := $(shell uname -r) PWD := $(shell pwd) default: $(MAKE) -C /lib/modules/$(KVER)/build M=$(PWD) modules


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