From: Neil Horman <nhorman@tuxdriver.com>
To: Jan Viktorin <viktorin@rehivetech.com>
Cc: Jimmy Carter <jimmycarter256@gmail.com>,
users@dpdk.org, dev@dpdk.org, maintainers@dpdk.org,
jianbo.liu@linaro.org, kosar@rehivetech.com
Subject: Re: [dpdk-users] [dpdk-dev] Issue->Dpdk for arm cortex-a15 compilation
Date: Tue, 16 May 2017 15:22:57 -0400 [thread overview]
Message-ID: <20170516192257.GB18139@hmswarspite.think-freely.org> (raw)
In-Reply-To: <20170516135153.3c429994.viktorin@rehivetech.com>
On Tue, May 16, 2017 at 01:51:52PM +0200, Jan Viktorin wrote:
> On Tue, 16 May 2017 07:44:59 -0400
> Neil Horman <nhorman@tuxdriver.com> wrote:
>
> > On Tue, May 16, 2017 at 12:51:40PM +0200, Jan Viktorin wrote:
> > > Hello Jimmy,
> > >
> > > On Tue, 16 May 2017 15:38:22 +0530
> > > Jimmy Carter <jimmycarter256@gmail.com> wrote:
> > >
> > > > Hi All
> > > >
> > > > I am using dpdk16.11.1 and want to use openwrt external toolchain so that I
> > > > can cross compile for arm cortex 15
> > > > neon.(arm_cortex-a15+neon-vfpv4_gcc-5.4.0_musl_eabi)
> > >
> > > I've never built DPDK with musl-eabi. I don't think that your issue is
> > > related but just note that my builds have always been done with gnueabi.
> > >
> > > > My target board is Tp link archer C2600.
> > > > I am have assigned these env variables but still getting compilation error
> > > >
> > > > export
> > > > STAGING_DIR=/home/xav-101000739/ovslede/source/staging_dir/toolchain-arm_cortex-a15+neon-vfpv4_gcc-5.4.0_musl_eabi
> > > > export
> > > > PATH=$PATH:/home/xav-101000739/ovslede/source/staging_dir/toolchain-arm_cortex-a15+neon-vfpv4_gcc-5.4.0_musl_eabi/bin
> > > >
> > > >
> > > > export CROSS=arm-openwrt-linux-
> > > > export DPDK_TARGET=arm-armv7a-linuxapp-gcc
> > > > export DPDK_DIR=$PWD
> > > > export DPDK_BUILD=$DPDK_DIR/$DPDK_TARGET
> > > > export
> > > > CFLAGS+=-I/home/xav-101000739/ovslede/source/staging_dir/toolchain-arm_cortex-a15+neon-vfpv4_gcc-5.4.0_musl_eabi
> > > > export RTE_SDK=$PWD
> > > > export RTE_TARGET=arm-armv7a-linuxapp-gcc
> > > > export DPDK_BUILD_DIR=arm-armv7a-linuxapp-gcc
> > > >
> > >
> > > There is a patch to Buildroot that can help you with the setup. See:
> > >
> > > https://patchwork.ozlabs.org/patch/611383/
> > >
> > > >
> > > > Error:Attached file
> > >
> > > Your build fails on
> > >
> > > eal_memory.c:92:
> > > /home/xav-101000739/Downloads/dpdk/dpdk-stable-16.11.1/build/include/rte_lcore.h:56:10: error: unknown type name 'cpu_set_t'
> > > typedef cpu_set_t rte_cpuset_t;
> > >
> > > This looks like there is some issue with Linux Kernel headers.
> > >
> > > lib/librte_eal/common/include/rte_lcore.h:
> > >
> > > 53 #if defined(__linux__)
> > > 54 typedef cpu_set_t rte_cpuset_t;
> > > 55 #elif defined(__FreeBSD__)
> > > 56 #include <pthread_np.h>
> > > 57 typedef cpuset_t rte_cpuset_t;
> > > 58 #endif
> > >
> > > Probably, you should set the RTE_KERNELDIR properly.
> > >
> > I don't think so. cpu_set_t is most recently defined in
> > /usr/include/bits/shced.h, which is a glibc header. What version of glibc are
> > you building with?
>
> So, in that case, it can be related to the musl libc (no glibc at all)
> as I pointed above...
>
> Jan
>
I would think so, yes.
Neil
> >
> > Neil
> >
> > > >
> > > > Please advise
> > > > Does dpdk have support for openwrt (arm cortex a15)
> > >
> > > DPDK does not support OpenWRT because (as far as I know) nobody from
> > > the DPDK community is using it in this way. I build DPDK via Buildroot
> > > but this is unsupported by the DPDK upstream.
> > >
> > > I could build DPDK for Cortex-A7, Cortex-A9 and Cortex-A15 in the past.
> > >
> > > I run regular builds of the master branch and I can see no breakage
> > > for the arm-armv7a-linuxapp-gcc configuration.
> > >
> > > Regards
> > > Jan
> > >
> > > >
> > > > Thanks
> > > > Akshay
> > >
>
>
>
> --
> Jan Viktorin E-mail: Viktorin@RehiveTech.com
> System Architect Web: www.RehiveTech.com
> RehiveTech
> Brno, Czech Republic
>
next prev parent reply other threads:[~2017-05-16 19:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-16 10:08 [dpdk-users] " Jimmy Carter
2017-05-16 10:51 ` Jan Viktorin
2017-05-16 11:22 ` [dpdk-users] [dpdk-maintainers] " Thomas Monjalon
2017-05-16 11:38 ` Jan Viktorin
2017-05-16 11:44 ` [dpdk-users] [dpdk-dev] " Neil Horman
2017-05-16 11:51 ` Jan Viktorin
2017-05-16 19:22 ` Neil Horman [this message]
2017-05-16 11:55 ` Jimmy Carter
2017-05-16 12:28 ` Jan Viktorin
2017-05-16 13:27 ` Jimmy Carter
2017-05-16 14:00 ` Jan Viktorin
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