problem in compiling a sample driver

**umeshyv** · 04-09-2007

hi to all, i started sample driver in suse linux10.1 and the following is the gcc command to compile the simple helloworld program

gcc -D__KERNEL__ -DMODULE -DMODVERSIONS -O2 -Wall -I /usr/src/linux/include -o client3.o -c client3.c

but ended with the following errors please can anyone help me for this problem .thank you

following is the source code

#include <linux/module.h>
#include <linux/kernel.h>

int init_module(void)
{
printk("<1>Hello World!\n");
return 0;
}

void cleanup_module(void)
{
printk(KERN_ALERT "Goodbye World...\n");
}

following are errors

client3.c:227:1: warning: "MODULE" redefined
<command line>:1:1: warning: this is the location of the previous definition
In file included from /usr/src/linux/include/asm/processor.h:18,
from /usr/src/linux/include/asm/thread_info.h:17,
from /usr/src/linux/include/linux/thread_info.h:21,
from /usr/src/linux/include/linux/preempt.h:10,
from /usr/src/linux/include/linux/spinlock.h:50,
from /usr/src/linux/include/linux/capability.h:45,
from /usr/src/linux/include/linux/sched.h:7,
from /usr/src/linux/include/linux/module.h:10,
from client3.c:229:
/usr/src/linux/include/asm/system.h: In function ‘__set_64bit_var’:
/usr/src/linux/include/asm/system.h:210: warning: dereferencing type-punned pointer will break strict-aliasing rules
/usr/src/linux/include/asm/system.h:210: warning: dereferencing type-punned pointer will break strict-aliasing rules
In file included from /usr/src/linux/include/linux/rwsem.h:27,
from /usr/src/linux/include/asm/semaphore.h:42,
from /usr/src/linux/include/linux/sched.h:20,
from /usr/src/linux/include/linux/module.h:10,
from client3.c:229:
/usr/src/linux/include/asm/rwsem.h: In function ‘__down_read’:
/usr/src/linux/include/asm/rwsem.h:106: error: expected ‘:’ or ‘)’ before ‘KBUILD_BASENAME’
/usr/src/linux/include/asm/rwsem.h: In function ‘__down_write’:
/usr/src/linux/include/asm/rwsem.h:158: error: expected ‘:’ or ‘)’ before ‘KBUILD_BASENAME’
/usr/src/linux/include/asm/rwsem.h: In function ‘__up_read’:
/usr/src/linux/include/asm/rwsem.h:195: error: expected ‘:’ or ‘)’ before ‘KBUILD_BASENAME’
/usr/src/linux/include/asm/rwsem.h:189: warning: unused variable ‘tmp’
/usr/src/linux/include/asm/rwsem.h: In function ‘__up_write’:
/usr/src/linux/include/asm/rwsem.h:221: error: expected ‘:’ or ‘)’ before ‘KBUILD_BASENAME’
/usr/src/linux/include/asm/rwsem.h: In function ‘__downgrade_write’:
/usr/src/linux/include/asm/rwsem.h:246: error: expected ‘:’ or ‘)’ before ‘KBUILD_BASENAME’
In file included from /usr/src/linux/include/linux/sched.h:20,
from /usr/src/linux/include/linux/module.h:10,
from client3.c:229:
/usr/src/linux/include/asm/semaphore.h: In function ‘down’:
/usr/src/linux/include/asm/semaphore.h:105: error: expected ‘:’ or ‘)’ before ‘KBUILD_BASENAME’
/usr/src/linux/include/asm/semaphore.h: In function ‘down_interruptible’:
/usr/src/linux/include/asm/semaphore.h:130: error: expected ‘:’ or ‘)’ before ‘KBUILD_BASENAME’
/usr/src/linux/include/asm/semaphore.h: In function ‘down_trylock’:
/usr/src/linux/include/asm/semaphore.h:155: error: expected ‘:’ or ‘)’ before ‘KBUILD_BASENAME’
/usr/src/linux/include/asm/semaphore.h: In function ‘up’:
/usr/src/linux/include/asm/semaphore.h:179: error: expected ‘:’ or ‘)’ before ‘KBUILD_BASENAME’
In file included from /usr/src/linux/include/asm/smp.h:18,
from /usr/src/linux/include/linux/smp.h:19,
from /usr/src/linux/include/linux/sched.h:26,
from /usr/src/linux/include/linux/module.h:10,
from client3.c:229:
/usr/src/linux/include/asm/mpspec.h:6:25: error: mach_mpspec.h: No such file or directory
In file included from /usr/src/linux/include/asm/smp.h:18,
from /usr/src/linux/include/linux/smp.h:19,
from /usr/src/linux/include/linux/sched.h:26,
from /usr/src/linux/include/linux/module.h:10,
from client3.c:229:
/usr/src/linux/include/asm/mpspec.h: At top level:
/usr/src/linux/include/asm/mpspec.h:8: error: ‘MAX_MP_BUSSES’ undeclared here (not in a function)
/usr/src/linux/include/asm/mpspec.h:23: error: ‘MAX_IRQ_SOURCES’ undeclared here (not in a function)
In file included from /usr/src/linux/include/linux/smp.h:19,
from /usr/src/linux/include/linux/sched.h:26,
from /usr/src/linux/include/linux/module.h:10,
from client3.c:229:
/usr/src/linux/include/asm/smp.h:77:26: error: mach_apicdef.h: No such file or directory
In file included from /usr/src/linux/include/linux/smp.h:19,
from /usr/src/linux/include/linux/sched.h:26,
from /usr/src/linux/include/linux/module.h:10,
from client3.c:229:
/usr/src/linux/include/asm/smp.h: In function ‘hard_smp_processor_id’:
/usr/src/linux/include/asm/smp.h:81: warning: implicit declaration of function ‘GET_APIC_ID’

**Franklin52** · 04-19-2007

The code seems to be correct, try this makefile:

Code:

obj−m += client3.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

Save the file as Makefile. Pay attention of the tabs before the make commands, these must be real tabs!

Regards

**umeshyv** · 04-19-2007

sir, thanks for your reply. i changed the makefile as follows,

obj−m += client3.o
all:
make -C /lib/modules/2.6.16.21.0.25-smp/build M=/home/umesh/usbclnt modules
clean:
make −C /lib/modules/2.6.16.21-0.25-smp/build M=/home/umesh/usbclnt clean

the output is

make -C /lib/modules/2.6.16.21.0.25-smp/build M=/home/umesh/usbclnt modules
make: *** /lib/modules/2.6.16.21.0.25-smp/build: No such file or directory. Stop.
make: *** [all] Error 2
again where i am going wrong i work on x86 processor. thank you waiting for your kind reply

**Franklin52** · 04-19-2007

Did you also try it as I mentioned?

Regards

**umeshyv** · 04-21-2007

sir, i tried as you told too, but i got the result as,

make -C /lib/modules/2.6.16.21.0.25-smp/build M=/home/umesh/usbclnt modules
make: *** /lib/modules/2.6.16.21.0.25-smp/build: No such file or directory. Sto p.
make: *** [all] Error 2

**Franklin52** · 04-21-2007

You must have kernel-headers/source installed that match your kernel.
Perhaps you have incomplete kernel headers or source installed.
Search at the net for information how you can install the proper headers/source of your distro.
Also take a read of this:

http://tldp.org/LDP/lkmpg/2.6/html/index.html

especially this chapter:

http://tldp.org/LDP/lkmpg/2.6/html/x44.html#AEN44

Regards

**umeshyv** · 04-24-2007

hi sir, when i am trying to insert the kernal object(.ko) or object file (.o) from usr/src/<linux version>/drivers/usb/serial/<drivername>.ko or /usr/<linux version>/drivers/usb/serial/<drivername>.o that results into the following error could u help me , waiting for your valuable suggestions

linux-3mcp:/usr/src/linux-2.6.16.21-0.25/drivers/usb/serial # insmod ezusb.o
insmod: error inserting 'ezusb.o': -1 Invalid module format
linux-3mcp:/usr/src/linux-2.6.16.21-0.25/drivers/usb/serial # insmod ./ezusb.o
insmod: error inserting './ezusb.o': -1 Invalid module format
linux-3mcp:/usr/src/linux-2.6.16.21-0.25/drivers/usb/serial # ./ezusb.o
bash: ./ezusb.o: Permission denied
linux-3mcp:/usr/src/linux-2.6.16.21-0.25/drivers/usb/serial # chmod 777 ezusb.o
linux-3mcp:/usr/src/linux-2.6.16.21-0.25/drivers/usb/serial # ./ezusb.o
bash: ./ezusb.o: cannot execute binary file
linux-3mcp:/usr/src/linux-2.6.16.21-0.25/drivers/usb/serial # insmod ./ezusb.o
insmod: error inserting './ezusb.o': -1 Invalid module format
linux-3mcp:/usr/src/linux-2.6.16.21-0.25/drivers/usb/serial # insmod usbserial.ko
insmod: error inserting 'usbserial.ko': -1 Invalid module format

**Franklin52** · 04-24-2007

Hi,

Check the kernel log by running dmesg and check (the first line) with which version of gcc your kernel was compiled.
Your driver must also compiled with the same version. Compare the version with your C compiler. You can check the version with:

Code:

gcc --version

Regards

**umeshyv** · 04-25-2007

sir , i tried what u said and the following messages are

linux-3mcp:/usr/src/linux-2.6.16.21-0.25 # gcc --version
gcc (GCC) 4.1.0 (SUSE Linux)
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

linux-3mcp:/home/umesh # gcc --version
gcc (GCC) 4.1.0 (SUSE Linux)
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

linux-3mcp:/home/umesh # dmesg
Linux version 2.6.16.21-0.25-smp (geeko@buildhost) (gcc version 4.1.0 (SUSE Linux)) #1 SMP Tue Sep 19 07:26:15 UTC 2006

i work on Pentium D (dual core) does this supports suse linux 10.1 .And as earlier you gave a makefile i producing different types of output (errors too) and even i gave importance to tab spaces as you said and only once i compiled but the object file(output file) was missing and later i produced the following error once

make −C /lib/modules/2.6.16.21-0.25-smp/build M=/home/umesh/usbclntmodules
make[1]: Entering directory `/home/umesh/usbclnt'
make[1]: *** No rule to make target `−C'. Stop.
make[1]: Leaving directory `/home/umesh/usbclnt'
make: *** [all] Error 2
linux-3mcp:/home/umesh/usbclnt #

Actually i am working for usb , i need to write a driver for CY7C64613(EZ USB) interfaced to BF537 while compiling the driver i got stuck so i am doing all this process .thanks for your immediate reply

**vijay_kernel** · 04-25-2007

Please let me know if the problem is not solved.

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