Hello,
My name is Cyrille AUFFRET, I am a student and a newcomer to RT Linux.
I am trying to use the 0.6 version of the RT Linux, since I have the
2.0.33 version of the Linux Kernel.
Using the example program that have been provided /testing/fp , I've
got a problem with rt_use_fp function.
While running the application I receive an error message :
rt_use_fp undefined
Loading failed! The module symbols (from linux-2.0.33) don't match your
linux-2.0.33
In the meanwhile, I am trying to develop an application in order to
measure RT Linux performances and I have the same problem when Iam using
floating point.
I include the librairies which were indicated in the man pages for
rt_use_fp :
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/version.h>
#include <linux/errno.h>
#include <linux/rt_sched.h>
or
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/version.h>
#include <linux/errno.h>
#include <asm/rt_sched.h>
I've read some questions on rtlinux mailing list, and I know that other
function exist (rt_task_use_fp...)
but they don't work neither.
Here is the kind of application I am using:
void fun (int n)
{
rt_use_fp(1);
while(1) {
/* diff�rentes op�rations math�mathiques */
/* et envoie des donn�es vers une tache Linux */
rt_task_wait();
}
}
I expect somebody to have some idea with these information.
Thanks a lot.
Cyrille AUFFRET.
France.
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