From: Jerin Jacob <jerinjacobk@gmail.com> To: Phil Yang <Phil.Yang@arm.com> Cc: "jerinj@marvell.com" <jerinj@marvell.com>, "dev@dpdk.org" <dev@dpdk.org>, "thomas@monjalon.net" <thomas@monjalon.net>, "david.marchand@redhat.com" <david.marchand@redhat.com>, Ruifeng Wang <Ruifeng.Wang@arm.com>, Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>, Joyce Kong <Joyce.Kong@arm.com>, nd <nd@arm.com>, "stable@dpdk.org" <stable@dpdk.org> Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH 2/2] doc: add aarch32 build guidance Date: Thu, 2 Jul 2020 13:31:17 +0530 Message-ID: <CALBAE1Mkm6Zn3UDhSVwdA2HWPw2SmA2G3_u3jELQfrU0v2FmVw@mail.gmail.com> (raw) In-Reply-To: <VE1PR08MB4640F7D8508D625E952B2B6DE96D0@VE1PR08MB4640.eurprd08.prod.outlook.com> On Thu, Jul 2, 2020 at 11:07 AM Phil Yang <Phil.Yang@arm.com> wrote: > > Hi Jerin, > > Your insight would be much appreciated. > > Thanks, > Phil > > > -----Original Message----- > > From: Ruifeng Wang <Ruifeng.Wang@arm.com> > > Sent: Wednesday, May 27, 2020 4:29 PM > > To: Phil Yang <Phil.Yang@arm.com>; dev@dpdk.org > > Cc: thomas@monjalon.net; david.marchand@redhat.com; > > jerinj@marvell.com; Honnappa Nagarahalli > > <Honnappa.Nagarahalli@arm.com>; Joyce Kong <Joyce.Kong@arm.com>; nd > > <nd@arm.com>; stable@dpdk.org > > Subject: RE: [dpdk-dev] [PATCH 2/2] doc: add aarch32 build guidance > > > > > > > -----Original Message----- > > > From: dev <dev-bounces@dpdk.org> On Behalf Of Phil Yang > > > Sent: Monday, November 11, 2019 6:34 PM > > > To: dev@dpdk.org > > > Cc: thomas@monjalon.net; david.marchand@redhat.com; > > > jerinj@marvell.com; Honnappa Nagarahalli > > > <Honnappa.Nagarahalli@arm.com>; Gavin Hu (Arm Technology China) > > > <Gavin.Hu@arm.com>; Joyce Kong (Arm Technology China) > > > <Joyce.Kong@arm.com>; nd <nd@arm.com>; stable@dpdk.org > > > Subject: [dpdk-dev] [PATCH 2/2] doc: add aarch32 build guidance > > > > > > Add a guidance for aarch64 natively build 32-bit aarch32 DPDK. > > > > > > Cc: stable@dpdk.org > > > > > > Signed-off-by: Phil Yang <phil.yang@arm.com> > > > Reviewed-by: Gavin Hu <gavin.hu@arm.com> > > > Tested-by: Joyce Kong <joyce.kong@arm.com> > > > > > > --- > > > .../linux_gsg/cross_build_dpdk_for_arm64.rst | 36 > > > ++++++++++++++++++---- > > > 1 file changed, 30 insertions(+), 6 deletions(-) > > > > > > diff --git a/doc/guides/linux_gsg/cross_build_dpdk_for_arm64.rst > > > b/doc/guides/linux_gsg/cross_build_dpdk_for_arm64.rst > > > index e799b0b..409d444 100644 > > > --- a/doc/guides/linux_gsg/cross_build_dpdk_for_arm64.rst > > > +++ b/doc/guides/linux_gsg/cross_build_dpdk_for_arm64.rst > > > @@ -1,15 +1,15 @@ > > > .. SPDX-License-Identifier: BSD-3-Clause > > > Copyright(c) 2018 ARM Corporation. > > > > > > -Cross compile DPDK for ARM64 > > > -============================ > > > -This chapter describes how to cross compile DPDK for ARM64 from x86 > > build > > > hosts. > > > +Cross compile DPDK for aarch64 and aarch32 > > > +========================================== > > > +This chapter describes how to cross-compile DPDK for aarch64 from x86 > > and > > > compile 32-bit aarch32 DPDK from aarch64 build hosts. > > > > > > .. note:: > > > > > > - Whilst it is recommended to natively build DPDK on ARM64 (just > > > - like with x86), it is also possible to cross-build DPDK for ARM64. An > > > - ARM64 cross compile GNU toolchain is used for this. > > > + Whilst it is recommended to natively build DPDK on aarch64 (just > > > + like with x86), it is also possible to cross-build DPDK for aarch64. An > > > + aarch64 cross compile GNU toolchain is used for this. > > > > > > Obtain the cross tool chain > > > --------------------------- > > > @@ -133,3 +133,27 @@ command:: > > > > > > meson arm64-build --cross-file config/arm/arm64_armv8_linux_gcc > > > ninja -C arm64-build > > > + > > > +Compiling DPDK for aarch32/armv7 on aarch64 host > > > +------------------------------------------ > > > + > > > +Some aarch64 platforms support EL0 aarch32 mode, so the 32-bit aarch32 > > > +applications and the legacy 32-bit armv7 applications can run in this mode. > > > +With the GNU C compiler for the armhf architecture toolchain > > > +gcc-arm-linux-gnueabihf, it can generate aarch32 binary on aarch64 > > natively. > > > + > > > +For Example, in 64-bit Debian, we can use the following command to build I think, "we" usage should be removed from the doc. > > > 32-bit armv7 DPDK on aarch64 natively: > > > + > > > +Install cross compile toolchain for the armhf architecure. > > > +command:: > > > + > > > + dpkg --add-architecture armhf > > > + apt-get update > > > + apt-get install -y gcc gcc-arm-linux-gnueabihf libc6:armhf make > > > +binutils > > > + > > > +Build DPDK arm-armv7a-linuxapp-gcc executables. > > > +command:: > > > + > > > + cd <dpdk_folder> > > > + make config CROSS=arm-linux-gnueabihf- T=arm-armv7a-linuxapp- > > > gcc > > > + make -j CROSS=arm-linux-gnueabihf- T=arm-armv7a-linuxapp-gcc > > > +RTE_DEVEL_BUILD=n make based build is deprecated, Please change this to meson. The rest looks good to me. > > > -- > > > 2.7.4 > > > > Acked-by: Ruifeng Wang <ruifeng.wang@arm.com>
next prev parent reply other threads:[~2020-07-02 8:01 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-11-11 10:34 [dpdk-stable] [PATCH 1/2] mk: fix unsupported flag error on armhf architercture Phil Yang 2019-11-11 10:34 ` [dpdk-stable] [PATCH 2/2] doc: add aarch32 build guidance Phil Yang 2020-05-24 21:21 ` [dpdk-stable] [dpdk-dev] " Thomas Monjalon 2020-05-25 3:20 ` Phil Yang 2020-05-27 8:28 ` Ruifeng Wang 2020-07-02 5:37 ` Phil Yang 2020-07-02 8:01 ` Jerin Jacob [this message] 2019-11-11 10:47 ` [dpdk-stable] [dpdk-dev] [PATCH 1/2] mk: fix unsupported flag error on armhf architercture Bruce Richardson 2019-11-12 5:25 ` Phil Yang (Arm Technology China) 2019-11-12 6:03 ` Thomas Monjalon 2019-11-12 6:40 ` Phil Yang (Arm Technology China) 2019-11-26 17:01 ` Thomas Monjalon 2019-11-27 8:09 ` Phil Yang (Arm Technology China) 2019-11-27 9:29 ` Bruce Richardson 2019-11-27 10:00 ` Phil Yang (Arm Technology China) 2019-11-27 10:32 ` Thomas Monjalon
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