From mboxrd@z Thu Jan  1 00:00:00 1970
From: Richard Weinberger <richard@nod.at>
Date: Wed, 19 Sep 2018 12:19:48 +0200
Message-ID: <1920928.FOH158oBg9@blindfold>
In-Reply-To: <20180918164932.79d3c86d@md1pvb1c.ad001.siemens.net>
References: <CAFLxGvwW583A2NoHKEETzGju13PXqSMmQ2uxSbAsBa7sRFumvQ@mail.gmail.com>
 <CAFLxGvxpLybt_mQckAjtcRsY9jMrfT1x4KsQWrZwZR2SeYm9Kg@mail.gmail.com>
 <20180918164932.79d3c86d@md1pvb1c.ad001.siemens.net>
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain; charset="UTF-8"
Subject: Re: [Xenomai] ipipe for 4.14 x86?
List-Id: Discussions about the Xenomai project <xenomai.xenomai.org>
List-Unsubscribe: <https://xenomai.org/mailman/options/xenomai>,
 <mailto:xenomai-request@xenomai.org?subject=unsubscribe>
List-Archive: <http://xenomai.org/pipermail/xenomai/>
List-Post: <mailto:xenomai@xenomai.org>
List-Help: <mailto:xenomai-request@xenomai.org?subject=help>
List-Subscribe: <https://xenomai.org/mailman/listinfo/xenomai>,
 <mailto:xenomai-request@xenomai.org?subject=subscribe>
To: Henning Schild <henning.schild@siemens.com>, jan.kiszka@siemens.com
Cc: xenomai@xenomai.org

Am Dienstag, 18. September 2018, 16:49:32 CEST schrieb Henning Schild:
> > Is this repo/branch the right one when I want to give ipipe x86 a try?
> > Maybe I can help fixing issues too!
> > https://gitlab.denx.de/Xenomai/ipipe-x86/tree/wip/4.14-split
> >=20
>=20
> This one contains a few more fixes.
>=20
> https://gitlab.denx.de/Xenomai/ipipe-x86/tree/henning/wip/4.14-split
>=20
> Both are mainly tested under KVM. The 16 core Xeon i am currently
> testing on runs into some timer init issues and gets stuck at boot.
>=20
> Feedback welcome!

Hmm, that failed a way earlier than expected.

  AS      arch/x86/entry/vdso/vdso32/system_call.o
arch/x86/kernel/process_32.c: In function =E2=80=98__switch_to=E2=80=99:
arch/x86/kernel/process_32.c:238:14: error: implicit declaration of functio=
n =E2=80=98ipipe_get_domain_slope_hook=E2=80=99; did you mean =E2=80=98ipip=
e_test_and_stall_root=E2=80=99? [-Werror=3Dimplicit-function-declaration]
  int slope =3D ipipe_get_domain_slope_hook(prev_p, next_p);
              ^~~~~~~~~~~~~~~~~~~~~~~~~~~
              ipipe_test_and_stall_root
arch/x86/kernel/process_32.c:242:36: error: =E2=80=98slot=E2=80=99 undeclar=
ed (first use in this function); did you mean =E2=80=98slope=E2=80=99?
  switch_fpu_prepare(prev_fpu, cpu, slot);
                                    ^~~~
                                    slope
arch/x86/kernel/process_32.c:242:36: note: each undeclared identifier is re=
ported only once for each function it appears in
arch/x86/kernel/process_32.c:242:2: error: too many arguments to function =
=E2=80=98switch_fpu_prepare=E2=80=99
  switch_fpu_prepare(prev_fpu, cpu, slot);
  ^~~~~~~~~~~~~~~~~~
In file included from arch/x86/kernel/process_32.c:45:0:
=2E/arch/x86/include/asm/fpu/internal.h:529:1: note: declared here
 switch_fpu_prepare(struct fpu *old_fpu, int cpu)
 ^~~~~~~~~~~~~~~~~~
arch/x86/kernel/process_32.c:303:2: error: too many arguments to function =
=E2=80=98switch_fpu_finish=E2=80=99
  switch_fpu_finish(next_fpu, cpu, slope);
  ^~~~~~~~~~~~~~~~~
In file included from arch/x86/kernel/process_32.c:45:0:
=2E/arch/x86/include/asm/fpu/internal.h:551:20: note: declared here
 static inline void switch_fpu_finish(struct fpu *new_fpu, int cpu)
                    ^~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors

Looks like some ia32 bits are missing.

Thanks,
//richard