<snip> > > 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. > > Add a way to specify the cpu count and numa node count for cross builds. > > We also want to be able to disable which drivers (and possibly > libraries) 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 I assume cross building on x86 for a Arm target SoC does not need any additional changes.
> differs in capabilities or libraries. > This is achieved by specifying the drivers in cross files. > > Among libraries, only libnuma can be now disabled. > > Also add an optional way to discover cpu count a numa node count. Fix - > Dmax_lcores and -Dmax_numa_nodes for arm builds. > > v2: > Major rework of the whole series. > > v3: > Added numa and core count defaults for x86 default build. > Removed numa and core count defaults. Now requiring defaults to be > specified in a cross file or on the cmdline. > Added FreeBDS support for numa count discovery. > > v4: > Make automatic numa and cpu counts discovery optional. > > Juraj Linkeš (6): > build: alias default build as generic > build: refactor Arm build > build: optional NUMA and cpu counts detection > build: add core and NUMA counts to cross files > build: disable Arm drivers > build: update Arm builds with makefile flags > > buildtools/get_cpu_count.py | 7 + > buildtools/get_numa_count.py | 22 +++ > buildtools/meson.build | 2 + > config/arm/arm64_armada_linux_gcc | 6 +- > config/arm/arm64_armv8_linux_gcc | 18 +- > config/arm/arm64_bluefield_linux_gcc | 7 +- > config/arm/arm64_dpaa_linux_gcc | 5 +- > config/arm/arm64_emag_linux_gcc | 4 +- > config/arm/arm64_n1sdp_linux_gcc | 7 +- > config/arm/arm64_octeontx2_linux_gcc | 7 +- > config/arm/arm64_stingray_linux_gcc | 7 +- > config/arm/arm64_thunderx2_linux_gcc | 6 +- > config/arm/arm64_thunderx_linux_gcc | 4 +- > config/arm/meson.build | 278 ++++++++++++++++----------- > config/meson.build | 54 +++++- > drivers/meson.build | 6 +- > meson.build | 1 + > meson_options.txt | 8 +- > 18 files changed, 306 insertions(+), 143 deletions(-) create mode 100644 > buildtools/get_cpu_count.py create mode 100644 > buildtools/get_numa_count.py > > -- > 2.20.1
