Ashri, Sarit wrote:
Ashri, Sarit wrote:
Hi Philippe,
I did read the files. What I don't understand is how to build the
Xenomai With Simulator support?
When I build Xenomai without simulator support - everything
works just
fine (crossed compiled to work on PPC with Linux 2.6.13.4).
As soon as I mark Simulator->Minute Virtual Machine I get that error
(X11 library..).
I understood from reading previous mails on the internet
that I should
be able to build the MVM on my host computer which is NOT
patched by
Adeos (RHEL3.0 Linux on i686) through Regular Xenomai
CROSS_COMPILING
and installation.
Try this:
- Build your target system first without the simulator using
cross-compilation for ppc. Let's say that you installed the
results under /usr/realtime, which is the default.
- Then, build the simulator separately for the host:
$ mkdir sim-build && cd sim-build
$ .../xenomai/sim/configure --with-xeno-dir=/usr/realtime
--with-gcc-tarball=/something/gcc-2.95.3.tar.bz2
$ make install
Everything compiled fine, but when I tried to compile the native demo
for the
Simulator I received the following error:
cd .../skins/native/demos
[demos]$ /usr/realtime/bin/gcic -o satch_s.o -c satch.c -g -I
/opt/nfs_root/usr/realtime/include
In file included from
/opt/nfs_root/usr/realtime/include/nucleus/asm/atomic.h:23,
from
/opt/nfs_root/usr/realtime/include/nucleus/system.h:33,
from
/opt/nfs_root/usr/realtime/include/nucleus/asm-generic/system.h:560,
from
/opt/nfs_root/usr/realtime/include/nucleus/asm/system.h:23,
from
/opt/nfs_root/usr/realtime/include/nucleus/types.h:40,
from
/opt/nfs_root/usr/realtime/include/nucleus/queue.h:23,
from
/opt/nfs_root/usr/realtime/include/nucleus/timer.h:23,
from
/opt/nfs_root/usr/realtime/include/nucleus/thread.h:23,
from
/opt/nfs_root/usr/realtime/include/native/task.h:26,
from satch.c:4:
/usr/include/asm/atomic.h:40: warning: #warning Using kernel header in
userland program. BAD!
In file included from
/opt/nfs_root/usr/realtime/include/nucleus/system.h:33,
from
Gah. Ok, my mistake. Since you are cross-compiling for your target, you
need to have two Xenomai installations, once for the ppc target to run
the real stuff, another one to run the virtual simulation environment
for the x86 host.
So, ...
- Configure and cross-compile Xenomai for ppc without simulation support
for installing to /opt/nfsroot
- Configure and compile Xenomai natively for x86 with simulation support
for installing to, e.g. /opt/local
This way at least, you won't need to build the simulator apart, it will
be built as part of the second step. Most of the native x86 support
won't be used (aside of the simulator, of course), but at least, this
will work. On the host, you will need to set your PATH and
LD_LIBRARY_PATH to /opt/local/bin, and /opt/local/lib respectively, so
that the simulation libs and tools are found.
The #warning won't go away though; only v2.1 gets rid of this by
avoiding any kernel header inclusion in user-space. Debian systems would
not bother you with this (at least sarge doesn't), but RH actually do.
--
Philippe.
