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# 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
arm_force_default_march = (machine == 'default')
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/arm/include/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],
['RTE_ARM_USE_WFE', false],
]
flags_generic = [
['RTE_MACHINE', '"armv8a"'],
['RTE_MAX_LCORE', 256],
['RTE_USE_C11_MEM_MODEL', true],
['RTE_CACHE_LINE_SIZE', 128]]
flags_arm = [
['RTE_MACHINE', '"armv8a"'],
['RTE_MAX_LCORE', 16],
['RTE_USE_C11_MEM_MODEL', true],
['RTE_CACHE_LINE_SIZE', 64]]
flags_cavium = [
['RTE_CACHE_LINE_SIZE', 128],
['RTE_MAX_NUMA_NODES', 2],
['RTE_MAX_LCORE', 96],
['RTE_MAX_VFIO_GROUPS', 128]]
flags_dpaa = [
['RTE_MACHINE', '"dpaa"'],
['RTE_USE_C11_MEM_MODEL', true],
['RTE_CACHE_LINE_SIZE', 64],
['RTE_MAX_NUMA_NODES', 1],
['RTE_MAX_LCORE', 16],
['RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', false]]
flags_emag = [
['RTE_MACHINE', '"emag"'],
['RTE_CACHE_LINE_SIZE', 64],
['RTE_MAX_NUMA_NODES', 1],
['RTE_MAX_LCORE', 32]]
flags_armada = [
['RTE_MACHINE', '"armv8a"'],
['RTE_CACHE_LINE_SIZE', 64],
['RTE_MAX_NUMA_NODES', 1],
['RTE_MAX_LCORE', 16]]
flags_default_extra = []
flags_n1sdp_extra = [
['RTE_MACHINE', '"n1sdp"'],
['RTE_MAX_NUMA_NODES', 1],
['RTE_MAX_LCORE', 4],
['RTE_EAL_NUMA_AWARE_HUGEPAGES', false],
['RTE_LIBRTE_VHOST_NUMA', false]]
flags_thunderx_extra = [
['RTE_MACHINE', '"thunderx"'],
['RTE_USE_C11_MEM_MODEL', false]]
flags_thunderx2_extra = [
['RTE_MACHINE', '"thunderx2"'],
['RTE_CACHE_LINE_SIZE', 64],
['RTE_MAX_NUMA_NODES', 2],
['RTE_MAX_LCORE', 256],
['RTE_ARM_FEATURE_ATOMICS', true],
['RTE_USE_C11_MEM_MODEL', true]]
flags_octeontx2_extra = [
['RTE_MACHINE', '"octeontx2"'],
['RTE_MAX_NUMA_NODES', 1],
['RTE_MAX_LCORE', 24],
['RTE_ARM_FEATURE_ATOMICS', true],
['RTE_EAL_IGB_UIO', false],
['RTE_USE_C11_MEM_MODEL', true]]
machine_args_generic = [
['default', ['-march=armv8-a+crc']],
['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']],
['0xd0b', ['-mcpu=cortex-a76']],
['0xd0c', ['-march=armv8.2-a+crc+crypto', '-mcpu=neoverse-n1'], flags_n1sdp_extra]]
machine_args_cavium = [
['default', ['-march=armv8-a+crc+crypto','-mcpu=thunderx']],
['native', ['-march=native']],
['0xa1', ['-mcpu=thunderxt88'], flags_thunderx_extra],
['0xa2', ['-mcpu=thunderxt81'], flags_thunderx_extra],
['0xa3', ['-mcpu=thunderxt83'], flags_thunderx_extra],
['0xaf', ['-march=armv8.1-a+crc+crypto','-mcpu=thunderx2t99'], flags_thunderx2_extra],
['0xb2', ['-march=armv8.2-a+crc+crypto+lse','-mcpu=octeontx2'], flags_octeontx2_extra]]
machine_args_emag = [
['default', ['-march=armv8-a+crc+crypto', '-mtune=emag']],
['native', ['-march=native']]]
## 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_arm, 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 = ['Ampere Computing', flags_emag, machine_args_emag]
impl_0x51 = ['Qualcomm', flags_generic, machine_args_generic]
impl_0x53 = ['Samsung', flags_generic, machine_args_generic]
impl_0x56 = ['Marvell ARMADA', flags_armada, machine_args_generic]
impl_0x69 = ['Intel', flags_generic, machine_args_generic]
impl_dpaa = ['NXP DPAA', flags_dpaa, machine_args_generic]
dpdk_conf.set('RTE_FORCE_INTRINSICS', 1)
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'
else
dpdk_conf.set('RTE_CACHE_LINE_SIZE', 128)
dpdk_conf.set('RTE_ARCH_ARM64', 1)
machine = []
cmd_generic = ['generic', '', '', 'default', '']
cmd_output = cmd_generic # Set generic by default
machine_args = [] # Clear previous machine args
if arm_force_default_march and not meson.is_cross_build()
machine = impl_generic
impl_pn = 'default'
elif 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[0] == '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
foreach marg: machine[2]
if marg[0] == impl_pn
foreach flag: marg[1]
if cc.has_argument(flag)
machine_args += flag
endif
endforeach
# Apply any extra machine specific flags.
foreach flag: marg.get(2, flags_default_extra)
if flag.length() > 0
dpdk_conf.set(flag[0], flag[1])
endif
endforeach
endif
endforeach
endif
message(machine_args)
if (cc.get_define('__ARM_NEON', args: machine_args) != '' or
cc.get_define('__aarch64__', 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
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