[dpdk-dev] [PATCH v19 0/3] Arm build options rework
Chengchang Tang
tangchengchang at huawei.com
Mon Apr 12 05:57:26 CEST 2021
On 2021/4/9 16:41, Juraj Linkeš wrote:
> The current way of specifying Arm configuration options is insufficient
> since we can't identify the SoC we're building for from the MIDR
> information. For example, we can't distinguish between N1SDP, Graviton2
> or Ampere Altra.
>
> We also want to be able to enable/disable which drivers are built
> without user input. This is useful when building:
> 1. on an SoC that is slow and we want to build only what is necessary
> without the user having to check which libraries they have installed
> 2. a cross build on a fast aarch64 machine but with target SoC which
> differs in capabilities or libraries.
> This is achieved by specifying the drivers in SoC configuration.
>
> The current implementation adds/supports the following:
> * x86 -> aarch64 cross build with added config options/enabled or
> disabled drivers/libs
> * aarch64 -> aarch64 builds for a different SoCs using meson -Dplatform
> option or using a cross file
>
> v16:
> Only three commits remaining - updated the cover letter.
> Renamed the 'soc' meson option to 'platform'.
> Added the support for enabling a particular set of drivers.
> Aligned enabling and disabling with the command line option so that
> wildcards can be used.
>
> v17:
> Removed unnecessary comments in "build: disable/enable drivers in Arm
> builds". Also always enabled two drivers which break the build if
> disabled.
>
> v18:
> Rebased.
>
> v19:
> Updated 3/3 with more up to date MAX_LCORE and MAX_NUMA_NODES for
> neoverse-n1.
>
It seems that our SoC configuration patches are block by this series:
https://patchwork.dpdk.org/project/dpdk/list/?series=15918
I reworked our configuration based on this series and then tested it on
our platform (i.e. Kunpeng 920/ Kunpeng 930 SoC).
Tested-by: Chengchang Tang <tangchengchang at huawei.com>
> Juraj Linkeš (3):
> build: disable/enable drivers in Arm builds
> build: add 'platform' meson option and Arm SoC config
> config: fix Arm implementer and its SoCs
>
> config/arm/arm64_armada_linux_gcc | 6 +-
> config/arm/arm64_armv8_linux_clang_ubuntu1804 | 3 +-
> config/arm/arm64_armv8_linux_gcc | 5 +-
> config/arm/arm64_bluefield_linux_gcc | 6 +-
> config/arm/arm64_dpaa_linux_gcc | 6 +-
> config/arm/arm64_emag_linux_gcc | 5 +-
> config/arm/arm64_graviton2_linux_gcc | 6 +-
> config/arm/arm64_n1sdp_linux_gcc | 6 +-
> config/arm/arm64_n2_linux_gcc | 6 +-
> config/arm/arm64_octeontx2_linux_gcc | 6 +-
> config/arm/arm64_stingray_linux_gcc | 6 +-
> config/arm/arm64_thunderx2_linux_gcc | 5 +-
> config/arm/arm64_thunderxt88_linux_gcc | 5 +-
> config/arm/meson.build | 180 +++++++++++++++---
> .../linux_gsg/cross_build_dpdk_for_arm64.rst | 76 +++-----
> drivers/meson.build | 49 ++++-
> meson.build | 2 +
> meson_options.txt | 4 +
> 18 files changed, 242 insertions(+), 140 deletions(-)
>
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