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build: support ARM with meson

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Add files to enable compiling for ARM native/cross builds.
This can be tested by doing a cross-compile for armv8-a type using
the linaro gcc toolchain.

        meson arm-build --cross-file aarch64_cross.txt
        ninja -C arm-build

where aarch64_cross.txt contained the following

        [binaries]
        c = 'aarch64-linux-gnu-gcc'
        cpp = 'aarch64-linux-gnu-cpp'
        ar = 'aarch64-linux-gnu-ar'

        [host_machine]
        system = 'linux'
        cpu_family = 'aarch64'
        cpu = 'armv8-a'
        endian = 'little'

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
This commit is contained in:
Bruce Richardson 2018-01-22 20:56:29 +05:30
parent c22ada8c65
commit b1d48c4118
4 changed files with 73 additions and 1 deletions
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36
config/arm/meson.build Normal file
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@ -0,0 +1,36 @@
# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2017 Intel Corporation.
# Copyright(c) 2017 Cavium, Inc
# for checking defines we need to use the correct compiler flags
march_opt = '-march=@0@'.format(machine)
dpdk_conf.set('RTE_FORCE_INTRINSICS', 1)
if cc.sizeof('void *') == 8
dpdk_conf.set('RTE_CACHE_LINE_SIZE', 128)
dpdk_conf.set('RTE_ARCH_ARM64', 1)
dpdk_conf.set('RTE_ARCH_64', 1)
else
dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)
dpdk_conf.set('RTE_ARCH_ARM', 1)
dpdk_conf.set('RTE_ARCH_ARMv7', 1)
endif
if cc.get_define('__ARM_NEON', args: march_opt) != ''
dpdk_conf.set('RTE_MACHINE_CPUFLAG_NEON', 1)
compile_time_cpuflags += ['RTE_CPUFLAG_NEON']
endif
if cc.get_define('__ARM_FEATURE_CRC32', args: march_opt) != ''
dpdk_conf.set('RTE_MACHINE_CPUFLAG_CRC32', 1)
compile_time_cpuflags += ['RTE_CPUFLAG_CRC32']
endif
if cc.get_define('__ARM_FEATURE_CRYPTO', args: march_opt) != ''
dpdk_conf.set('RTE_MACHINE_CPUFLAG_AES', 1)
dpdk_conf.set('RTE_MACHINE_CPUFLAG_PMULL', 1)
dpdk_conf.set('RTE_MACHINE_CPUFLAG_SHA1', 1)
dpdk_conf.set('RTE_MACHINE_CPUFLAG_SHA2', 1)
compile_time_cpuflags += ['RTE_CPUFLAG_AES', 'RTE_CPUFLAG_PMULL',
'RTE_CPUFLAG_SHA1', 'RTE_CPUFLAG_SHA2']
endif

4
config/meson.build
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@ -56,8 +56,10 @@ endforeach
compile_time_cpuflags = []
if host_machine.cpu_family().startswith('x86')
arch_subdir = 'x86'
subdir(arch_subdir)
elif host_machine.cpu_family().startswith('arm') or host_machine.cpu_family().startswith('aarch')
arch_subdir = 'arm'
endif
subdir(arch_subdir)
dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags))
# set the install path for the drivers

5
lib/librte_eal/common/arch/arm/meson.build Normal file
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@ -0,0 +1,5 @@
# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2017 Intel Corporation.
eal_common_arch_sources = files('rte_cpuflags.c',
'rte_cycles.c')

29
lib/librte_eal/common/include/arch/arm/meson.build Normal file
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@ -0,0 +1,29 @@
# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2017 Intel Corporation.
install_headers(
'rte_atomic_32.h',
'rte_atomic_64.h',
'rte_atomic.h',
'rte_byteorder.h',
'rte_cpuflags_32.h',
'rte_cpuflags_64.h',
'rte_cpuflags.h',
'rte_cycles_32.h',
'rte_cycles_64.h',
'rte_cycles.h',
'rte_io_64.h',
'rte_io.h',
'rte_memcpy_32.h',
'rte_memcpy_64.h',
'rte_memcpy.h',
'rte_pause_32.h',
'rte_pause_64.h',
'rte_pause.h',
'rte_prefetch_32.h',
'rte_prefetch_64.h',
'rte_prefetch.h',
'rte_rwlock.h',
'rte_spinlock.h',
'rte_vect.h',
subdir: get_option('include_subdir_arch'))