> -----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
> Subject: [dpdk-dev] [PATCH v10 2/5] build: add aarch32 meson build flags
>
> Add aarch32 extra build flags and aarch32 machine flags to generic machine
> args.
> Also modify how arm flags are updated in meson build - for 32-bit build,
> update only if cross-compiling.
>
> Signed-off-by: Juraj Linkeš <juraj.lin...@pantheon.tech>
> ---
> config/arm/meson.build | 20 ++++++++++++++++++--
> 1 file changed, 18 insertions(+), 2 deletions(-)
>
> diff --git a/config/arm/meson.build b/config/arm/meson.build index
> 8728051d5..b29f27097 100644
> --- a/config/arm/meson.build
> +++ b/config/arm/meson.build
> @@ -63,6 +63,11 @@ flags_armada = [
> ['RTE_MAX_LCORE', 16]]
>
> flags_default_extra = []
> +flags_aarch32_extra = [
> + ['RTE_ARCH_ARM_NEON_MEMCPY', false],
> + ['RTE_ARCH_STRICT_ALIGN', true],
> + ['RTE_EAL_NUMA_AWARE_HUGEPAGES', false],
> + ['RTE_MAX_LCORE', 256]]
> flags_n1sdp_extra = [
> ['RTE_MACHINE', '"n1sdp"'],
> ['RTE_MAX_NUMA_NODES', 1],
> @@ -90,6 +95,7 @@ flags_octeontx2_extra = [ machine_args_generic = [
> ['default', ['-march=armv8-a+crc']],
> ['native', ['-march=native']],
> + ['aarch32', ['-march=armv8-a', '-mfpu=neon'], flags_aarch32_extra],
> ['0xd03', ['-mcpu=cortex-a53']],
> ['0xd04', ['-mcpu=cortex-a35']],
> ['0xd07', ['-mcpu=cortex-a57']],
> @@ -129,15 +135,23 @@ impl_0x69 = ['Intel', flags_generic,
> machine_args_generic] impl_dpaa = ['NXP DPAA', flags_dpaa,
> machine_args_generic]
>
> dpdk_conf.set('RTE_FORCE_INTRINSICS', 1)
> -
> +update_flags = false
> if not dpdk_conf.get('RTE_ARCH_64')
> dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)
> dpdk_conf.set('RTE_ARCH_ARM', 1)
> dpdk_conf.set('RTE_ARCH_ARMv7', 1)
> # the minimum architecture supported, armv7-a, needs the following,
> # mk/machine/armv7a/rte.vars.mk sets it too
> - machine_args += '-mfpu=neon'
> + if meson.is_cross_build()
> + update_flags = true
> + impl_id = meson.get_cross_property('implementor_id',
> 'aarch32')
> + impl_pn = meson.get_cross_property('implementor_pn',
> 'default')
> + machine = get_variable('impl_' + impl_id)
> + else
> + machine_args += '-mfpu=neon'
> + endif
> else
> + update_flags = true
> dpdk_conf.set('RTE_CACHE_LINE_SIZE', 128)
> dpdk_conf.set('RTE_ARCH_ARM64', 1)
>
> @@ -172,7 +186,9 @@ else
> impl_pn = meson.get_cross_property('implementor_pn',
> 'default')
> machine = get_variable('impl_' + impl_id)
> endif
> +endif
>
> +if update_flags == true
> # Apply Common Defaults. These settings may be overwritten by
> machine
> # settings later.
> foreach flag: flags_common_default
> --
> 2.20.1
Acked-by: Ruifeng Wang <ruifeng.w...@arm.com>
