1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017 Intel Corporation.
3 # Copyright(c) 2017 Cavium, Inc
5 # common flags to all aarch64 builds, with lowest priority
7 # Accelerate rte_memcpy. Be sure to run unit test (memcpy_perf_autotest)
8 # to determine the best threshold in code. Refer to notes in source file
9 # (lib/librte_eal/arm/include/rte_memcpy_64.h) for more info.
10 ['RTE_ARCH_ARM64_MEMCPY', false],
11 # ['RTE_ARM64_MEMCPY_ALIGNED_THRESHOLD', 2048],
12 # ['RTE_ARM64_MEMCPY_UNALIGNED_THRESHOLD', 512],
13 # Leave below RTE_ARM64_MEMCPY_xxx options commented out,
14 # unless there are strong reasons.
15 # ['RTE_ARM64_MEMCPY_SKIP_GCC_VER_CHECK', false],
16 # ['RTE_ARM64_MEMCPY_ALIGN_MASK', 0xF],
17 # ['RTE_ARM64_MEMCPY_STRICT_ALIGN', false],
19 ['RTE_NET_FM10K', false],
20 ['RTE_NET_AVP', false],
22 ['RTE_SCHED_VECTOR', false],
23 ['RTE_ARM_USE_WFE', false],
24 ['RTE_ARCH_ARM64', true],
25 ['RTE_CACHE_LINE_SIZE', 128]
27 native_machine_args = ['-mcpu=native']
29 ## Part numbers are specific to Arm implementers
30 # implementer specific aarch64 flags have middle priority
31 # (will overwrite common flags)
32 # part number specific aarch64 flags have the highest priority
33 # (will overwrite both common and implementer specific flags)
34 implementer_generic = {
35 'description': 'Generic armv8',
37 ['RTE_MACHINE', '"armv8a"'],
38 ['RTE_USE_C11_MEM_MODEL', true],
39 ['RTE_MAX_LCORE', 256],
40 ['RTE_MAX_NUMA_NODES', 4]
42 'part_number_config': {
43 'generic': {'machine_args': ['-march=armv8-a+crc',
48 part_number_config_arm = {
49 '0xd03': {'machine_args': ['-mcpu=cortex-a53']},
50 '0xd04': {'machine_args': ['-mcpu=cortex-a35']},
51 '0xd07': {'machine_args': ['-mcpu=cortex-a57']},
52 '0xd08': {'machine_args': ['-mcpu=cortex-a72']},
53 '0xd09': {'machine_args': ['-mcpu=cortex-a73']},
54 '0xd0a': {'machine_args': ['-mcpu=cortex-a75']},
55 '0xd0b': {'machine_args': ['-mcpu=cortex-a76']},
57 'machine_args': ['-march=armv8.2-a+crypto',
60 ['RTE_MACHINE', '"neoverse-n1"'],
61 ['RTE_ARM_FEATURE_ATOMICS', true],
62 ['RTE_MAX_MEM_MB', 1048576],
67 'machine_args': ['-march=armv8.5-a+crypto+sve2'],
69 ['RTE_MACHINE', '"neoverse-n2"'],
70 ['RTE_ARM_FEATURE_ATOMICS', true],
78 ['RTE_MACHINE', '"armv8a"'],
79 ['RTE_USE_C11_MEM_MODEL', true],
80 ['RTE_CACHE_LINE_SIZE', 64],
81 ['RTE_MAX_LCORE', 16],
82 ['RTE_MAX_NUMA_NODES', 1]
84 'part_number_config': part_number_config_arm
87 flags_part_number_thunderx = [
88 ['RTE_MACHINE', '"thunderx"'],
89 ['RTE_USE_C11_MEM_MODEL', false]
91 implementer_cavium = {
92 'description': 'Cavium',
94 ['RTE_MAX_VFIO_GROUPS', 128],
95 ['RTE_MAX_LCORE', 96],
96 ['RTE_MAX_NUMA_NODES', 2]
98 'part_number_config': {
100 'machine_args': ['-mcpu=thunderxt88'],
101 'flags': flags_part_number_thunderx
104 'machine_args': ['-mcpu=thunderxt81'],
105 'flags': flags_part_number_thunderx
108 'machine_args': ['-mcpu=thunderxt83'],
109 'flags': flags_part_number_thunderx
112 'machine_args': ['-march=armv8.1-a+crc+crypto',
113 '-mcpu=thunderx2t99'],
115 ['RTE_MACHINE', '"thunderx2"'],
116 ['RTE_ARM_FEATURE_ATOMICS', true],
117 ['RTE_USE_C11_MEM_MODEL', true],
118 ['RTE_CACHE_LINE_SIZE', 64],
119 ['RTE_MAX_LCORE', 256]
123 'machine_args': ['-march=armv8.2-a+crc+crypto+lse',
126 ['RTE_MACHINE', '"octeontx2"'],
127 ['RTE_ARM_FEATURE_ATOMICS', true],
128 ['RTE_USE_C11_MEM_MODEL', true],
129 ['RTE_EAL_IGB_UIO', false],
130 ['RTE_MAX_LCORE', 36],
131 ['RTE_MAX_NUMA_NODES', 1]
137 implementer_ampere = {
138 'description': 'Ampere Computing',
140 ['RTE_MACHINE', '"emag"'],
141 ['RTE_CACHE_LINE_SIZE', 64],
142 ['RTE_MAX_LCORE', 32],
143 ['RTE_MAX_NUMA_NODES', 1]
145 'part_number_config': {
146 '0x0': {'machine_args': ['-march=armv8-a+crc+crypto',
151 implementer_marvell = {
152 'description': 'Marvell ARMADA',
154 ['RTE_MACHINE', '"armv8a"'],
155 ['RTE_CACHE_LINE_SIZE', 64],
156 ['RTE_MAX_LCORE', 16],
157 ['RTE_MAX_NUMA_NODES', 1]
159 'part_number_config': part_number_config_arm
163 'description': 'NXP DPAA',
165 ['RTE_MACHINE', '"dpaa"'],
166 ['RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', false],
167 ['RTE_USE_C11_MEM_MODEL', true],
168 ['RTE_CACHE_LINE_SIZE', 64],
169 ['RTE_MAX_LCORE', 16],
170 ['RTE_MAX_NUMA_NODES', 1]
172 'part_number_config': part_number_config_arm
175 ## Arm implementers (ID from MIDR in Arm Architecture Reference Manual)
177 'generic': implementer_generic,
178 '0x41': implementer_arm,
179 '0x43': implementer_cavium,
180 '0x50': implementer_ampere,
181 '0x56': implementer_marvell,
182 'dpaa': implementer_dpaa
185 dpdk_conf.set('RTE_ARCH_ARM', 1)
186 dpdk_conf.set('RTE_FORCE_INTRINSICS', 1)
188 if dpdk_conf.get('RTE_ARCH_32')
190 dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)
191 dpdk_conf.set('RTE_ARCH_ARMv7', 1)
192 # the minimum architecture supported, armv7-a, needs the following,
193 machine_args += '-mfpu=neon'
196 use_native_machine_args = false
197 if not meson.is_cross_build()
198 if machine == 'default'
200 implementer_id = 'generic'
201 part_number = 'generic'
204 # The script returns ['Implementer', 'Variant', 'Architecture',
205 # 'Primary Part number', 'Revision']
206 detect_vendor = find_program(join_paths(
207 meson.current_source_dir(), 'armv8_machine.py'))
208 cmd = run_command(detect_vendor.path())
209 if cmd.returncode() == 0
210 cmd_output = cmd.stdout().to_lower().strip().split(' ')
211 implementer_id = cmd_output[0]
212 part_number = cmd_output[3]
214 error('Error when getting Arm Implementer ID and part number.')
216 use_native_machine_args = true
220 implementer_id = meson.get_cross_property('implementer_id')
221 part_number = meson.get_cross_property('part_number')
224 if implementers.has_key(implementer_id)
225 implementer_config = implementers[implementer_id]
227 error('Unsupported Arm implementer: @0@. '.format(implementer_id) +
228 'Please add support for it or use the generic ' +
229 '(-Dmachine=generic) build.')
232 message('Arm implementer: ' + implementer_config['description'])
233 message('Arm part number: ' + part_number)
235 part_number_config = implementer_config['part_number_config']
236 if part_number_config.has_key(part_number)
237 # use the specified part_number machine args if found
238 part_number_config = part_number_config[part_number]
240 # unknown part number
241 error('Unsupported part number @0@ of implementer @1@. '
242 .format(part_number, implementer_id) +
243 'Please add support for it or use the generic ' +
244 '(-Dmachine=generic) build.')
247 # use default flags with implementer flags
248 dpdk_flags = flags_common + implementer_config['flags'] + part_number_config.get('flags', [])
250 # apply supported machine args
251 machine_args = [] # Clear previous machine args
252 if use_native_machine_args
253 candidate_machine_args = native_machine_args
255 candidate_machine_args = part_number_config['machine_args']
257 foreach flag: candidate_machine_args
258 if cc.has_argument(flag)
264 foreach flag: dpdk_flags
266 dpdk_conf.set(flag[0], flag[1])
270 message('Using machine args: @0@'.format(machine_args))
272 if (cc.get_define('__ARM_NEON', args: machine_args) != '' or
273 cc.get_define('__aarch64__', args: machine_args) != '')
274 compile_time_cpuflags += ['RTE_CPUFLAG_NEON']
277 if cc.get_define('__ARM_FEATURE_CRC32', args: machine_args) != ''
278 compile_time_cpuflags += ['RTE_CPUFLAG_CRC32']
281 if cc.get_define('__ARM_FEATURE_CRYPTO', args: machine_args) != ''
282 compile_time_cpuflags += ['RTE_CPUFLAG_AES', 'RTE_CPUFLAG_PMULL',
283 'RTE_CPUFLAG_SHA1', 'RTE_CPUFLAG_SHA2']