[Xenomai] R: install xenomai on centos

[Fazio Maurizio]

Hello,
I installed the 3.18.20 linux kernel but the installation process is the same 
for your kernel version.

Try this installation process:

#./xenomai-3.0.5/scripts/prepare-kernel.sh 
--ipipe=ipipe-core-3.10.32-x86-9.patch --linux=linux-3.10.32

Go to linux-3.10.32 folder and after the kernel configuration step
#make rpm

At the end of operations
#cd /root/rpmbuild/RPMS/x86_64
#rpm -ivh kernel-3.10.32-1.x86_64.rpm
#rpm -ivh kernel-devel-3.10.32-1.x86_64.rpm
#rpm -ivh kernel-headers-3.10.32-1.x86_64.rpm

Auto configure the grub2
#grub2-mkconfig

Reboot the system


Maurizio Fazio

Chief Technical Office / Aircraft Systems
Software Engineer

Leonardo S.p.A.
C.so Francia, 426 - Torino - 10146 - Italy
Tel. +39 011 756 3308 / 3761
maurizio.fa...@leonardocompany.com
www.leonardocompany.com

–——
HELICOPTERS/AERONAUTICS/ELECTRONICS, DEFENCE & SECURITY SYSTEMS/SPACE
–——



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-Messaggio originale-
Da: Xenomai [mailto:xenomai-boun...@xenomai.org] Per conto di ??
Inviato: domenica 19 novembre 2017 03:57
A: xenomai@xenomai.org
Oggetto: [Xenomai] install xenomai on centos

Hi,

I am attempting to install xenomai-3.x on centos7(kernel: 
3.10.0-229.el7.x86_64, or 3.10.0-229.rt56.el7) for x86 XEON E5.
I use:
linux-3.10.32.tar.xz;
xenomai-3.0.5.tar.bz2;
ipipe-core-3.10.32-x86-9.patch;
when I finished install linux with:
#./xenomai-3.0.5/scripts/prepare-kernel.sh 
--ipipe=ipipe-core-3.10.32-x86-9.patch --linux=linux-3.10.32 #make bzImage -j2 
&& make modules -j2 && make modules_install && make install #reboot but the 
system can't boot from kernel 3.10.32, and there was no any display on screen.




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[Xenomai] Xenomai 3.0.6 doesn't build the patched kernel

[Leopold Palomo-Avellaneda]

Hi,

trying to build the new Xenomai version (3.0.6), after have prepared the linux
sources, I got this error:

In file included from arch/x86/xenomai/machine.c:22:0:
arch/x86/xenomai/include/asm/xenomai/syscall.h: In function 
‘__xn_get_syscall_nr’:
arch/x86/xenomai/include/asm/xenomai/syscall.h:46:31: error: implicit
declaration of function ‘__COBALT_CALL32_SYSNR’
[-Werror=implicit-function-declaration]
 #define __xn_syscall(regs)__COBALT_CALL32_SYSNR(__xn_reg_sys(regs) \
   ^
arch/x86/xenomai/include/asm/xenomai/syscall.h:60:32: note: in expansion of
macro ‘__xn_syscall’
  return __xn_syscall_p(regs) ? __xn_syscall(regs) :
^~~~
cc1: some warnings being treated as errors

I have used the prepare-kernel script and built the Debian packages. The
platform is a Debian Stretch (amd64) with the default compiler.

linux version linux-4.9.51 and

http://xenomai.org/downloads/ipipe/v4.x/x86/ipipe-core-4.9.51-x86-4.patch

as a patch.



Best regards,


Leopold



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Re: [Xenomai] Xenomai 3.0.6 doesn't build the patched kernel

[Philippe Gerum]

On 11/20/2017 01:14 PM, Leopold Palomo-Avellaneda wrote:

Hi,

trying to build the new Xenomai version (3.0.6), after have prepared the linux
sources, I got this error:

In file included from arch/x86/xenomai/machine.c:22:0:
arch/x86/xenomai/include/asm/xenomai/syscall.h: In function 
‘__xn_get_syscall_nr’:
arch/x86/xenomai/include/asm/xenomai/syscall.h:46:31: error: implicit
declaration of function ‘__COBALT_CALL32_SYSNR’
[-Werror=implicit-function-declaration]
  #define __xn_syscall(regs)__COBALT_CALL32_SYSNR(__xn_reg_sys(regs) \
^
arch/x86/xenomai/include/asm/xenomai/syscall.h:60:32: note: in expansion of
macro ‘__xn_syscall’
   return __xn_syscall_p(regs) ? __xn_syscall(regs) :
 ^~~~
cc1: some warnings being treated as errors

I have used the prepare-kernel script and built the Debian packages. The
platform is a Debian Stretch (amd64) with the default compiler.

linux version linux-4.9.51 and

http://xenomai.org/downloads/ipipe/v4.x/x86/ipipe-core-4.9.51-x86-4.patch

as a patch.





As a work around, drop CONFIG_IA32_EMULATION if you don't need it.

--
Philippe.

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[Xenomai] Contributing to Xenomai

[Greg Gallagher]

Hi,
  I'm preparing a patch to enable RTDM gpio for the Xilinx Zynq 7000
platform.  First, is this something that would be of value to add to
mainline Xenomai?  I noticed there is a rtdm gpio driver for the bcm2835
(raspberry pi) and figured it may be nice for Zynq users to have a rtdm
gpio driver out of the box.
I've been digging online and I can't find any guidelines on how to
submit a patch to Xenomai.  On the mailing list I see most patches come
across with [PATCH] in the subject line, comments in the body, followed by
the patch.

Any help would be appreciated and sorry if I missed this information in a
FAQ somewhere.

Thanks

Greg
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Re: [Xenomai] Contributing to Xenomai

[Henning Schild]

Am Mon, 20 Nov 2017 10:43:09 -0500
schrieb Greg Gallagher :

> Hi,
>   I'm preparing a patch to enable RTDM gpio for the Xilinx Zynq 7000
> platform.  First, is this something that would be of value to add to
> mainline Xenomai?  I noticed there is a rtdm gpio driver for the
> bcm2835 (raspberry pi) and figured it may be nice for Zynq users to
> have a rtdm gpio driver out of the box.

I would say in general any additions are welcome. Even if parts to not
get merged for any reason, others will be able to find your patches in
the archives of the list later.

> I've been digging online and I can't find any guidelines on how to
> submit a patch to Xenomai.  On the mailing list I see most patches
> come across with [PATCH] in the subject line, comments in the body,
> followed by the patch.

Such patches are the output of "git format-patch" and "git send-email".
If you know how to use that, using it would help others to test and
integrate your changes.
However Philippe luckily does not enforce a too strict workflow here.
So it might also be ok to send patches as attachments, but be warned
that that makes reviews more difficult.

So split your changes into multiple patches, where each patch addresses
exactly one issue. And send these patches to the list, if you can use
git or git compatible tools.

> Any help would be appreciated and sorry if I missed this information
> in a FAQ somewhere.

I am not sure whether that is documented anywhere, i basically just
told you how i did it so far and what i have seen since working on the
project.
But one of your changes could introduce such documentation ;).

Henning

> Thanks
> 
> Greg
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Re: [Xenomai] Xenomai 3.0.6 doesn't build the patched kernel

[Leopold Palomo-Avellaneda]

On 20/11/17 14:38, Philippe Gerum wrote:
> On 11/20/2017 01:14 PM, Leopold Palomo-Avellaneda wrote:
>> Hi,
>>
>> trying to build the new Xenomai version (3.0.6), after have prepared the 
>> linux
>> sources, I got this error:
>>
>> In file included from arch/x86/xenomai/machine.c:22:0:
>> arch/x86/xenomai/include/asm/xenomai/syscall.h: In function
>> ‘__xn_get_syscall_nr’:
>> arch/x86/xenomai/include/asm/xenomai/syscall.h:46:31: error: implicit
>> declaration of function ‘__COBALT_CALL32_SYSNR’
>> [-Werror=implicit-function-declaration]
>>   #define __xn_syscall(regs)    __COBALT_CALL32_SYSNR(__xn_reg_sys(regs) \
>>     ^
>> arch/x86/xenomai/include/asm/xenomai/syscall.h:60:32: note: in expansion of
>> macro ‘__xn_syscall’
>>    return __xn_syscall_p(regs) ? __xn_syscall(regs) :
>>  ^~~~
>> cc1: some warnings being treated as errors
>>
>> I have used the prepare-kernel script and built the Debian packages. The
>> platform is a Debian Stretch (amd64) with the default compiler.
>>
>> linux version linux-4.9.51 and
>>
>> http://xenomai.org/downloads/ipipe/v4.x/x86/ipipe-core-4.9.51-x86-4.patch
>>
>> as a patch.
>>
>>
>>
> 
> As a work around, drop CONFIG_IA32_EMULATION if you don't need it.
> 

drivers/xenomai/net/stack/rtwlan.c:171:2: warning: this ‘if’ clause does not
guard... [-Wmisleading-indentation]
  if (mutex_lock_interruptible(&rtdev->nrt_lock))
  ^~

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Re: [Xenomai] Xenomai 3.0.6 doesn't build the patched kernel

[Leopold Palomo-Avellaneda]

On 20/11/17 17:25, Leopold Palomo-Avellaneda wrote:
> On 20/11/17 14:38, Philippe Gerum wrote:
>> On 11/20/2017 01:14 PM, Leopold Palomo-Avellaneda wrote:
>>> Hi,
>>>
>>> trying to build the new Xenomai version (3.0.6), after have prepared the 
>>> linux
>>> sources, I got this error:
>>>
>>> In file included from arch/x86/xenomai/machine.c:22:0:
>>> arch/x86/xenomai/include/asm/xenomai/syscall.h: In function
>>> ‘__xn_get_syscall_nr’:
>>> arch/x86/xenomai/include/asm/xenomai/syscall.h:46:31: error: implicit
>>> declaration of function ‘__COBALT_CALL32_SYSNR’
>>> [-Werror=implicit-function-declaration]
>>>   #define __xn_syscall(regs)    __COBALT_CALL32_SYSNR(__xn_reg_sys(regs) \
>>>     ^
>>> arch/x86/xenomai/include/asm/xenomai/syscall.h:60:32: note: in expansion of
>>> macro ‘__xn_syscall’
>>>    return __xn_syscall_p(regs) ? __xn_syscall(regs) :
>>>  ^~~~
>>> cc1: some warnings being treated as errors
>>>
>>> I have used the prepare-kernel script and built the Debian packages. The
>>> platform is a Debian Stretch (amd64) with the default compiler.
>>>
>>> linux version linux-4.9.51 and
>>>
>>> http://xenomai.org/downloads/ipipe/v4.x/x86/ipipe-core-4.9.51-x86-4.patch
>>>
>>> as a patch.
>>>
>>>
>>>
>>
>> As a work around, drop CONFIG_IA32_EMULATION if you don't need it.
>>
> 
> drivers/xenomai/net/stack/rtwlan.c:171:2: warning: this ‘if’ clause does not
> guard... [-Wmisleading-indentation]
>   if (mutex_lock_interruptible(&rtdev->nrt_lock))
>   ^~
> 
Sorry,

message not complete. I have a list of compile errors but I will send when I 
finish.

Leopold

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[Xenomai] 3.0.6 with linux 4.9.51 on x86_64 Intel(R) Atom(TM) CPU N2800 compilation failed

[Jack Lee]

Hello,

  My board cpu is Intel Atom CPU N2800. I am using xenomai 3.0.6 with linux 
4.9.51. 
  I get the following error when compiling the kernel. Can anyone give me some 
help?
  Thanks!

  CC  arch/x86/xenomai/machine.o
In file included from arch/x86/xenomai/machine.c:22:0:
arch/x86/xenomai/include/asm/xenomai/syscall.h: In function 
??__xn_get_syscall_nr??:
arch/x86/xenomai/include/asm/xenomai/syscall.h:46:31: error: implicit 
declaration of function ??__COBALT_CALL32_SYSNR?? 
[-Werror=implicit-function-declaration]
 #define __xn_syscall(regs)__COBALT_CALL32_SYSNR(__xn_reg_sys(regs) \
   ^
arch/x86/xenomai/include/asm/xenomai/syscall.h:60:32: note: in expansion of 
macro ??__xn_syscall??
  return __xn_syscall_p(regs) ? __xn_syscall(regs) :
^
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Re: [Xenomai] 3.0.6 with linux 4.9.51 on x86_64 Intel(R) Atom(TM) CPU N2800 compilation failed

[Leopold Palomo-Avellaneda]

On 21/11/17 06:52, Jack Lee wrote:
> Hello,
> 
>   My board cpu is Intel Atom CPU N2800. I am using xenomai 3.0.6 with linux 
> 4.9.51. 
>   I get the following error when compiling the kernel. Can anyone give me 
> some help?
>   Thanks!
> 
>   CC  arch/x86/xenomai/machine.o
> In file included from arch/x86/xenomai/machine.c:22:0:
> arch/x86/xenomai/include/asm/xenomai/syscall.h: In function 
> ‘__xn_get_syscall_nr’:
> arch/x86/xenomai/include/asm/xenomai/syscall.h:46:31: error: implicit 
> declaration of function ‘__COBALT_CALL32_SYSNR’ 
> [-Werror=implicit-function-declaration]
>  #define __xn_syscall(regs)__COBALT_CALL32_SYSNR(__xn_reg_sys(regs) \
>^
> arch/x86/xenomai/include/asm/xenomai/syscall.h:60:32: note: in expansion of 
> macro ‘__xn_syscall’
>   return __xn_syscall_p(regs) ? __xn_syscall(regs) :

I had the same problem yesterday and Philippe Gerum answered:

>> As a work around, drop CONFIG_IA32_EMULATION if you don't need it.

Best regards,

Leopold

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