> -----Original Message----- > From: dev <dev-boun...@dpdk.org> On Behalf Of Juraj Linke? > Sent: Wednesday, September 16, 2020 4:21 PM > To: tho...@monjalon.net; bruce.richard...@intel.com; > acon...@redhat.com; maicolgabr...@hotmail.com > Cc: juraj.lin...@pantheon.tech; dev@dpdk.org; Phil Yang > <phil.y...@arm.com> > Subject: [dpdk-dev] [PATCH v10 5/5] doc: add aarch32 build guidance > > From: Phil Yang <phil.y...@arm.com> > > Add cross-compiling guidance for 32-bit aarch32 DPDK on aarch64 host. > > Signed-off-by: Phil Yang <phil.y...@arm.com> > --- > .../linux_gsg/cross_build_dpdk_for_arm64.rst | 34 +++++++++++++------ > 1 file changed, 24 insertions(+), 10 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 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. > > -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 > +build hosts 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 > --------------------------- > @@ -88,14 +89,27 @@ To install it in Ubuntu:: > > sudo apt-get install pkg-config-aarch64-linux-gnu > > -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:: > > meson cross-build --cross-file <target_machine_configuration> > ninja -C cross-build > > -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:: > > 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 <ruifeng.w...@arm.com>
