From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <4EB16266.5090704@domain.hid>
Date: Wed, 02 Nov 2011 16:31:50 +0100
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
MIME-Version: 1.0
References: <CAAeYjMko1nqaFX4xvL_j9GoS_wT5SxOFtCjfLgN8T=CGrL2Cvw@domain.hid>
	<CAAeYjMkVuQLzq-B+Nh1xOXFSHR4K74cwGGCVsZoJaT3GP2mHFA@mail.gmail.com>
In-Reply-To: <CAAeYjMkVuQLzq-B+Nh1xOXFSHR4K74cwGGCVsZoJaT3GP2mHFA@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
Subject: Re: [Xenomai-help] kernel compilation error
List-Id: Help regarding installation and common use of Xenomai
	<xenomai.xenomai.org>
List-Unsubscribe: <https://mail.gna.org/options/xenomai-help>,
	<mailto:xenomai-help-request@domain.hid>
List-Archive: </public/xenomai-help>
List-Post: <mailto:xenomai@xenomai.org>
List-Help: <mailto:xenomai-help-request@domain.hid>
List-Subscribe: <https://mail.gna.org/listinfo/xenomai-help>,
	<mailto:xenomai-help-request@domain.hid>
To: =?UTF-8?B?xYF1a2FzeiBTYWNoYQ==?= <dragilla@domain.hid>
Cc: xenomai@xenomai.org

On 11/01/2011 01:42 PM, =C5=81ukasz Sacha wrote:
> On Tue, Nov 1, 2011 at 12:34, =C5=81ukasz Sacha <dragilla@domain.hid> wr=
ote:
>> Hello again:
>>
>> luke@domain.hid$ make ARCH=3Darm
>> CROSS_COMPILE=3Darm-none-linux-gnueabi-
>> ...
>>  CC      arch/arm/kernel/fiq.o
>> arch/arm/kernel/fiq.c: In function 'set_fiq_handler':
>> arch/arm/kernel/fiq.c:87: error: dereferencing pointer to incomplete t=
ype
>> arch/arm/kernel/fiq.c:87: error: dereferencing pointer to incomplete t=
ype
>> arch/arm/kernel/fiq.c:89: error: dereferencing pointer to incomplete t=
ype
>> arch/arm/kernel/fiq.c:89: error: dereferencing pointer to incomplete t=
ype
>> make[1]: *** [arch/arm/kernel/fiq.o] Error 1
>> make: *** [arch/arm/kernel] Error 2
>> luke@domain.hid$
>>
>> This is how it looks like
>> 80:void set_fiq_handler(void *start, unsigned int length)
>> 81:{
>> 82:#if defined(CONFIG_CPU_USE_DOMAINS)
>> 83:        memcpy((void *)0xffff001c, start, length);
>> 84:#else
>> 85:        memcpy(vectors_page + 0x1c, start, length);
>> 86:#endif
>> 87:        flush_icache_range(0xffff001c, 0xffff001c + length);
>> 88:        if (!vectors_high())
>> 89:                flush_icache_range(0x1c, 0x1c + length);
>> 90:}
>>
>> Any ideas?
>=20
> Please take a look at this as this is piece of code the adeos i-pipe
> patch (./ksrc/arch/arm/patches/adeos-ipipe-2.6.38.8-arm-1.18-03.patch)
> modifies : in line 819.

Indeed, we need the definition of struct task_struct in=20
asm/cacheflush.h, the following patch should help:
http://git.xenomai.org/?p=3Dipipe-gch.git;a=3Dcommitdiff;h=3Dca2793e18d53=
8d07a648583c47d40fff405c4778;hp=3De68e48bebdc551a534ecd6fdbd839eb9ee2637f=
7

A new patch will be out soon.

--=20
                                                                Gilles.