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Diffstat (limited to 'config/arm/meson.build')
| -rw-r--r-- | config/arm/meson.build | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/config/arm/meson.build b/config/arm/meson.build new file mode 100644 index 00000000..4e788a4e --- /dev/null +++ b/config/arm/meson.build @@ -0,0 +1,173 @@ +# 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) + +arm_force_native_march = false + +machine_args_generic = [ + ['default', ['-march=armv8-a']], + ['native', ['-march=native']], + ['0xd03', ['-mcpu=cortex-a53']], + ['0xd04', ['-mcpu=cortex-a35']], + ['0xd07', ['-mcpu=cortex-a57']], + ['0xd08', ['-mcpu=cortex-a72']], + ['0xd09', ['-mcpu=cortex-a73']], + ['0xd0a', ['-mcpu=cortex-a75']], +] +machine_args_cavium = [ + ['default', ['-march=armv8-a+crc+crypto','-mcpu=thunderx']], + ['native', ['-march=native']], + ['0xa1', ['-mcpu=thunderxt88']], + ['0xa2', ['-mcpu=thunderxt81']], + ['0xa3', ['-mcpu=thunderxt83']]] + +flags_common_default = [ + # Accelarate rte_memcpy. Be sure to run unit test (memcpy_perf_autotest) + # to determine the best threshold in code. Refer to notes in source file + # (lib/librte_eal/common/include/arch/arm/rte_memcpy_64.h) for more info. + ['RTE_ARCH_ARM64_MEMCPY', false], + # ['RTE_ARM64_MEMCPY_ALIGNED_THRESHOLD', 2048], + # ['RTE_ARM64_MEMCPY_UNALIGNED_THRESHOLD', 512], + # Leave below RTE_ARM64_MEMCPY_xxx options commented out, unless there're + # strong reasons. + # ['RTE_ARM64_MEMCPY_SKIP_GCC_VER_CHECK', false], + # ['RTE_ARM64_MEMCPY_ALIGN_MASK', 0xF], + # ['RTE_ARM64_MEMCPY_STRICT_ALIGN', false], + + ['RTE_LIBRTE_FM10K_PMD', false], + ['RTE_LIBRTE_SFC_EFX_PMD', false], + ['RTE_LIBRTE_AVP_PMD', false], + + ['RTE_SCHED_VECTOR', false], +] + +flags_generic = [ + ['RTE_MACHINE', '"armv8a"'], + ['RTE_CACHE_LINE_SIZE', 128]] +flags_cavium = [ + ['RTE_MACHINE', '"thunderx"'], + ['RTE_CACHE_LINE_SIZE', 128], + ['RTE_MAX_NUMA_NODES', 2], + ['RTE_MAX_LCORE', 96], + ['RTE_MAX_VFIO_GROUPS', 128], + ['RTE_RING_USE_C11_MEM_MODEL', false]] + +## Arm implementer ID (ARM DDI 0487C.a, Section G7.2.106, Page G7-5321) +impl_generic = ['Generic armv8', flags_generic, machine_args_generic] +impl_0x41 = ['Arm', flags_generic, machine_args_generic] +impl_0x42 = ['Broadcom', flags_generic, machine_args_generic] +impl_0x43 = ['Cavium', flags_cavium, machine_args_cavium] +impl_0x44 = ['DEC', flags_generic, machine_args_generic] +impl_0x49 = ['Infineon', flags_generic, machine_args_generic] +impl_0x4d = ['Motorola', flags_generic, machine_args_generic] +impl_0x4e = ['NVIDIA', flags_generic, machine_args_generic] +impl_0x50 = ['AppliedMicro', flags_generic, machine_args_generic] +impl_0x51 = ['Qualcomm', flags_generic, machine_args_generic] +impl_0x53 = ['Samsung', flags_generic, machine_args_generic] +impl_0x56 = ['Marvell', flags_generic, machine_args_generic] +impl_0x69 = ['Intel', flags_generic, machine_args_generic] + + +if cc.get_define('__clang__') != '' + dpdk_conf.set_quoted('RTE_TOOLCHAIN', 'clang') + dpdk_conf.set('RTE_TOOLCHAIN_CLANG', 1) +else + dpdk_conf.set_quoted('RTE_TOOLCHAIN', 'gcc') + dpdk_conf.set('RTE_TOOLCHAIN_GCC', 1) +endif + +dpdk_conf.set('RTE_FORCE_INTRINSICS', 1) + +if cc.sizeof('void *') != 8 + dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64) + dpdk_conf.set('RTE_ARCH_ARM', 1) + dpdk_conf.set('RTE_ARCH_ARMv7', 1) +else + dpdk_conf.set('RTE_CACHE_LINE_SIZE', 128) + dpdk_conf.set('RTE_ARCH_ARM64', 1) + dpdk_conf.set('RTE_ARCH_64', 1) + + machine = [] + cmd_generic = ['generic', '', '', 'default', ''] + cmd_output = cmd_generic # Set generic by default + machine_args = [] # Clear previous machine args + if not meson.is_cross_build() + # The script returns ['Implementer', 'Variant', 'Architecture', + # 'Primary Part number', 'Revision'] + detect_vendor = find_program(join_paths( + meson.current_source_dir(), 'armv8_machine.py')) + cmd = run_command(detect_vendor.path()) + if cmd.returncode() == 0 + cmd_output = cmd.stdout().to_lower().strip().split(' ') + endif + # Set to generic if variable is not found + machine = get_variable('impl_' + cmd_output[0], 'generic') + if machine == 'generic' + machine = impl_generic + cmd_output = cmd_generic + endif + impl_pn = cmd_output[3] + if arm_force_native_march == true + impl_pn = 'native' + endif + else + impl_id = meson.get_cross_property('implementor_id', 'generic') + impl_pn = meson.get_cross_property('implementor_pn', 'default') + machine = get_variable('impl_' + impl_id) + endif + + # Apply Common Defaults. These settings may be overwritten by machine + # settings later. + foreach flag: flags_common_default + if flag.length() > 0 + dpdk_conf.set(flag[0], flag[1]) + endif + endforeach + + message('Implementer : ' + machine[0]) + foreach flag: machine[1] + if flag.length() > 0 + dpdk_conf.set(flag[0], flag[1]) + endif + endforeach + # Primary part number based mcpu flags are supported + # for gcc versions > 7 + if cc.version().version_compare( + '<7.0') or cmd_output.length() == 0 + if not meson.is_cross_build() and arm_force_native_march == true + impl_pn = 'native' + else + impl_pn = 'default' + endif + endif + foreach marg: machine[2] + if marg[0] == impl_pn + foreach f: marg[1] + machine_args += f + endforeach + endif + endforeach +endif +message(machine_args) + +if cc.get_define('__ARM_NEON', args: machine_args) != '' + dpdk_conf.set('RTE_MACHINE_CPUFLAG_NEON', 1) + compile_time_cpuflags += ['RTE_CPUFLAG_NEON'] +endif + +if cc.get_define('__ARM_FEATURE_CRC32', args: machine_args) != '' + dpdk_conf.set('RTE_MACHINE_CPUFLAG_CRC32', 1) + compile_time_cpuflags += ['RTE_CPUFLAG_CRC32'] +endif + +if cc.get_define('__ARM_FEATURE_CRYPTO', args: machine_args) != '' + 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 |