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CTRY:IE; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:64aa7808-outbound-1.mta.getcheckrecipient.com; PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com; CAT:NONE; SFS:(4636009)(376002)(396003)(346002)(136003)(39860400002)(46966005)(45080400002)(2906002)(6506007)(36906005)(53546011)(7696005)(70586007)(316002)(33656002)(5660300002)(52536014)(82310400003)(55016002)(110136005)(54906003)(336012)(26005)(356005)(4326008)(70206006)(8936002)(186003)(478600001)(9686003)(81166007)(47076004)(82740400003)(8676002)(86362001)(83380400001); DIR:OUT; SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Oct 2020 14:32:48.0699 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: abb9b45d-a109-41c9-3211-08d875ce2ecd X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d; Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: VE1EUR03FT042.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM8PR08MB5825 Subject: Re: [dpdk-dev] [PATCH v10 5/5] doc: add aarch32 build guidance X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Archived-At: List-Archive: > -----Original Message----- > From: dev On Behalf Of Juraj Linke? > Sent: Wednesday, September 16, 2020 4:21 PM > To: thomas@monjalon.net; bruce.richardson@intel.com; > aconole@redhat.com; maicolgabriel@hotmail.com > Cc: juraj.linkes@pantheon.tech; dev@dpdk.org; Phil Yang > > Subject: [dpdk-dev] [PATCH v10 5/5] doc: add aarch32 build guidance >=20 > From: Phil Yang >=20 > Add cross-compiling guidance for 32-bit aarch32 DPDK on aarch64 host. >=20 > Signed-off-by: Phil Yang > --- > .../linux_gsg/cross_build_dpdk_for_arm64.rst | 34 +++++++++++++------ > 1 file changed, 24 insertions(+), 10 deletions(-) >=20 > 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 8a1d0e88b..1f2ff751d 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 +1,16 @@ > .. SPDX-License-Identifier: BSD-3-Clause > Copyright(c) 2018 ARM Corporation. >=20 > -Cross compile DPDK for ARM64 > -=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D > -This chapter describes how to cross compile DPDK for ARM64 from x86 buil= d > hosts. > +Cross compile DPDK for aarch64 and aarch32 > +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > +This chapter describes how to cross compile DPDK for aarch64 from x86 > +build hosts and compile 32-bit aarch32 DPDK from aarch64 build hosts. >=20 > .. note:: >=20 > - 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. >=20 > Obtain the cross tool chain > --------------------------- > @@ -88,14 +89,27 @@ To install it in Ubuntu:: >=20 > sudo apt-get install pkg-config-aarch64-linux-gnu >=20 > -To cross-compile DPDK on a desired target machine we can use the > following > -command:: > +.. note:: > + > + Some aarch64 platforms support EL0 aarch32 mode, which means the 32- > bit aarch32 applications > + can run on aarch64. The armhf architecture toolchain ``gcc-arm-linux= - > gnueabihf`` is required > + for aarch32 on aarch64. To install it in Ubuntu:: > + > + sudo dpkg --add-architecture armhf > + sudo apt-get update > + sudo apt-get install -y gcc-arm-linux-gnueabihf libc6:armhf > + binutils > + > +To cross-compile DPDK on a desired target machine use the following > command:: >=20 > meson cross-build --cross-file > ninja -C cross-build >=20 > -For example if the target machine is arm64 we can use the following > -command:: > +For example if the target machine is aarch64 use the following command:: >=20 > meson arm64-build --cross-file config/arm/arm64_armv8_linux_gcc > ninja -C arm64-build > + > +If the target machine is aarch32 use the following command:: > + > + meson arm32-build --cross-file config/arm/arm32_armv8a_linux_gcc > + ninja -C arm32-build > -- > 2.20.1 Acked-by: Ruifeng Wang