[Xenomai-help] Does Xenomai 2.4.x support Xenomm ?

[Xenomai-help] Does Xenomai 2.4.x support Xenomm ?

[Hugo Braga]

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Hello,
I am trying to install xenomm but there are some problems when I do it.
I would like to know if xenomai 2.4.x supports xenomm.


Thanks,

Hugo Braga

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Re: [Xenomai-help] Does Xenomai 2.4.x support Xenomm ?

[Gilles Chanteperdrix]

On Tue, May 6, 2008 at 10:01 PM, Hugo Braga <hugovaz@domain.hid> wrote:
> Hello,
> I am trying to install xenomm but there are some problems when I do it.
> I would like to know if xenomai 2.4.x supports xenomm.

Maybe you would have more chances to get an answer if you posted your
question on xenomm mailing list:
https://mail.gna.org/listinfo/xenomm-feedback/

-- 
 Gilles

Re: [Xenomai-help] Does Xenomai 2.4.x support Xenomm ?

[Breno Carneiro Pinheiro]

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Hi all, I'm trying to compile a simple Xenomai application.
I did a makefile as showed below:

target =  task_teste
CC := ppc_6xx-gcc
XENO_CONFIG := /home/breno/ELDK/ppc_6xx/usr/local/xenomai/bin/xeno-config
CFLAGS := $(shell $(XENO_CONFIG) --xeno-cflags)
LDFLAGS := -lnative $(shell $(XENO_CONFIG) --xeno-ldflags)
$(target): $(target).c
    $(CC) -o $@ $< $(CFLAGS) $(LDFLAGS)

I running on powerpc processor where I embedded a linux kernel-tree form
DENX.

The errror returned is:
ppc_6xx-gcc -o task_teste task_teste.c -I/usr/local/xenomai/include
-D_GNU_SOURCE -D_REENTRANT -lnative -L/usr/local/xenomai/lib -lpthread
/home/breno/ELDK/usr/bin/../lib/gcc/powerpc-linux/4.0.0/../../../../powerpc-linux/bin/ld:
cannot find -lnative
collect2: ld returned 1 exit status
make: *** [task_teste] Error 1

So, why don't it find the -lnative. I already configured my kernel option
with Xenomai and native,posix options.

Thanks,

Breno

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Re: [Xenomai-help] Does Xenomai 2.4.x support Xenomm ?

[Gilles Chanteperdrix]

On Wed, May 7, 2008 at 7:46 PM, Breno Carneiro Pinheiro
 > LDFLAGS := -lnative $(shell $(XENO_CONFIG) --xeno-ldflags)

This should be:

 LDFLAGS := $(shell $(XENO_CONFIG) --xeno-ldflags) -lnative

Order matters.

-- 
 Gilles

Re: [Xenomai-help] Does Xenomai 2.4.x support Xenomm ?

[Breno Carneiro Pinheiro]

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Thanks Gilles, it seems compiled. But I tried to run it but I the command
./test_task is not enough, isn't it? I also tried xeno-load but it's a
coomand not found on my system.

Have any tips?

Thanks again,

Breno

2008/5/7 Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>:

> On Wed, May 7, 2008 at 7:46 PM, Breno Carneiro Pinheiro
>  > LDFLAGS := -lnative $(shell $(XENO_CONFIG) --xeno-ldflags)
>
> This should be:
>
>  LDFLAGS := $(shell $(XENO_CONFIG) --xeno-ldflags) -lnative
>
> Order matters.
>
> --
>  Gilles
>

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Re: [Xenomai-help] Does Xenomai 2.4.x support Xenomm ?

[Gilles Chanteperdrix]

Breno Carneiro Pinheiro wrote:
 > Thanks Gilles, it seems compiled. But I tried to run it but I the command
 > ./test_task is not enough, isn't it? I also tried xeno-load but it's a
 > coomand not found on my system.

What happens, is not there any error message ?

-- 


					    Gilles.

Re: [Xenomai-help] Does Xenomai 2.4.x support Xenomm ?

[Breno Carneiro Pinheiro]

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Well, trying ./task_test I got an error message:


./task_test : error while loading shared libraries : libnative.so.0 : cannot
open shared object file : Not such file or directory

That's it!!!

Cheers,

Breno

2008/5/7 Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>:

> Breno Carneiro Pinheiro wrote:
>  > Thanks Gilles, it seems compiled. But I tried to run it but I the
> command
>  > ./test_task is not enough, isn't it? I also tried xeno-load but it's a
>  > coomand not found on my system.
>
> What happens, is not there any error message ?
>
> --
>
>
>                                            Gilles.
>

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Re: [Xenomai-help] Does Xenomai 2.4.x support Xenomm ?

[Gilles Chanteperdrix]

Breno Carneiro Pinheiro wrote:
 > Well, trying ./task_test I got an error message:
 > 
 > 
 > ./task_test : error while loading shared libraries : libnative.so.0 : cannot
 > open shared object file : Not such file or directory

There are several solutions to these issue which has nothing to do with
Xenomai. You should follow the example in examples/native

-- 


					    Gilles.

Re: [Xenomai-help] Does Xenomai 2.4.x support Xenomm ?

[Breno Carneiro Pinheiro]

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Hi, I think I got solved the last error (* ./task_test : error while loading
shared libraries : libnative.so.0 : cannot
 > open shared object file : Not such file or directory*) when I tried to
execute my application below:
#include <sys/mman.h>
#include <native/task.h>
#include <stdio.h>
#define TASK_PRIO  99 /* Highest RT priority */
#define TASK_MODE  0  /* No flags */
#define TASK_STKSZ 0  /* Stack size (use default one) */

RT_TASK task_desc;

void task_body (void *cookie)
 {
     for (;;) {
     printf("%s\n",'a');
     }
 }

int main (int argc, char *argv[])

 {
     int err;

     mlockall(MCL_CURRENT|MCL_FUTURE);

     err = rt_task_create(&task_desc,
                          "MyTaskName",
                          TASK_STKSZ,
                          TASK_PRIO,
                          TASK_MODE);
     if (!err)
         rt_task_start(&task_desc,&task_body,NULL);

     /* ... */
 }

 void cleanup (void)

 {
    rt_task_delete(&task_desc);
 }

I used the Makefile attached!!!
But now, when I execute ./task_test on my environment I got:
*segmentation fault

*Does it any relation with my application?*

*
Thanks,

Breno

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###### CONFIGURATION ######

### List of applications to be build
#APPLICATIONS = trivial-periodic sigxcpu rtprint
APPLICATIONS = task_test
### Note: to override the search path for the xeno-config script, use "make XENO=..."


### List of modules to be build
MODULES =

### Note: to override the kernel source path, use "make KSRC=..."



###### USER SPACE BUILD (no change required normally) ######
ifeq ($(KERNELRELEASE),)
ifneq ($(APPLICATIONS),)

### Default Xenomai installation path
#XENO ?= /usr/xenomai
XENO ?= /home/breno/ELDK/ppc_6xx/usr/local/xenomai/
XENOCONFIG=$(shell PATH=$(XENO):$(XENO)/bin:$(PATH) which xeno-config 2>/dev/null)

### Sanity check
ifeq ($(XENOCONFIG),)
all::
	@echo ">>> Invoke make like this: \"make XENO=/path/to/xeno-config\" <<<"
	@echo
endif

CC=$(shell $(XENOCONFIG) --cc)

CFLAGS=$(shell $(XENOCONFIG) --xeno-cflags) $(MY_CFLAGS)

LDFLAGS=$(shell $(XENOCONFIG) --xeno-ldflags) $(MY_LDFLAGS) -lnative

# This includes the library path of given Xenomai into the binary to make live
# easier for beginners if Xenomai's libs are not in any default search path.
LDFLAGS+=-Xlinker -rpath -Xlinker $(shell $(XENOCONFIG) --libdir)

all:: $(APPLICATIONS)

clean::
	$(RM) $(APPLICATIONS) *.o

endif
endif



###### SPECIAL TARGET RULES ######
task_test: task_test.c
	#$(CC) $(CFLAGS) $? $(LDFLAGS) -lrtdk -o $@
	$(CC) $(CFLAGS) $? $(LDFLAGS) -lnative -o $@



###### KERNEL MODULE BUILD (no change required normally) ######
ifneq ($(MODULES),)

### Default to sources of currently running kernel
#KSRC ?= /lib/modules/$(shell uname -r)/build
KSRC ?= /home/breno/ELDK/ppc_6xx/lib/modules/$(shell uname -r)/build

OBJS     := ${patsubst %, %.o, $(MODULES)}
CLEANMOD := ${patsubst %, .%*, $(MODULES)}
PWD      := $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi)

### Kernel 2.6
ifeq ($(findstring 2.6,$(KSRC)),2.6)

obj-m        := $(OBJS)
EXTRA_CFLAGS := -I$(KSRC)/include/xenomai -I$(KSRC)/include/xenomai/posix $(ADD_CFLAGS)

all::
	$(MAKE) -C $(KSRC) SUBDIRS=$(PWD) modules

### Kernel 2.4
else

ARCH    ?= $(shell uname -i)
INCLUDE := -I$(KSRC)/include/xenomai -I$(KSRC)/include/xenomai/compat -I$(KSRC)/include/xenomai/posix
CFLAGS  += $(shell $(MAKE) -s -C $(KSRC) CC=$(CC) ARCH=$(ARCH) SUBDIRS=$(PWD) modules) $(INCLUDE)

all:: $(OBJS)

endif

## Target for capturing 2.4 module CFLAGS
modules:
	@echo "$(CFLAGS)"

clean::
	$(RM) $(CLEANMOD) *.o *.ko *.mod.c Module*.symvers
	$(RM) -R .tmp*

endif

Re: [Xenomai-help] Does Xenomai 2.4.x support Xenomm ?

[Alex]

>Hi, I think I got solved the last error ( ./task_test : error while loading
shared libraries : libnative.so.0 : cannot
 > open shared object file : Not such file or directory) when I tried to
execute my application below:
 
>void task_body (void *cookie)
 {
     for (;;) {
     printf("%s\n",'a');
     }
 }
 
>I used the Makefile attached!!!
>But now, when I execute ./task_test on my environment I got:
>segmentation fault
>
>Does it any relation with my application?

Check printf() in your task_body: 'a' is not a null-terminated string.
Instead of 
printf("%s\n",'a') it should be
printf("%s\n","a") or 
printf("%c\n",'a')

Alexander