> -----Original Message----- > From: Aaron Conole <acon...@redhat.com> > Sent: Friday, September 11, 2020 3:20 PM > To: Juraj Linkeš <juraj.lin...@pantheon.tech> > Cc: tho...@monjalon.net; david.march...@redhat.com; > maicolgabr...@hotmail.com; dev@dpdk.org; Phil Yang <phil.y...@arm.com> > Subject: Re: [PATCH v9 5/5] doc: add aarch32 build guidance > > Juraj Linkeš <juraj.lin...@pantheon.tech> writes: > > > From: Phil Yang <phil.y...@arm.com> > > > > Add cross-compiling guidance for 32-bit aarch32 DPDK on aarch64 host. > > > > Change-Id: Ib4281defa37ed4d08e1c3210c94fb7ce73b36449 > > Signed-off-by: Phil Yang <phil.y...@arm.com> > > --- > > I think Change-Id is not a tag that is used in DPDK. Otherwise, this looks > good to > me. > > Consider the series ACK with 'Change-Id' removed. >
Great, I'll resubmit. > > .../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 c5875a6d5..fd0405d6d 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 > > --------------------------- > > @@ -88,18 +89,31 @@ 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 > > + > > Configure and Cross Compile DPDK using Make > > ------------------------------------------- > > To configure a build, choose one of the target configurations, like arm64- > dpaa-linux-gcc and arm64-thunderx-linux-gcc. >
