1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017 Intel Corporation.
3 # Copyright(c) 2017 Cavium, Inc
5 arm_force_native_march = false
7 # common flags to all aarch64 builds, with lowest priority
9 # Accelerate rte_memcpy. Be sure to run unit test (memcpy_perf_autotest)
10 # to determine the best threshold in code. Refer to notes in source file
11 # (lib/librte_eal/arm/include/rte_memcpy_64.h) for more info.
12 ['RTE_ARCH_ARM64_MEMCPY', false],
13 # ['RTE_ARM64_MEMCPY_ALIGNED_THRESHOLD', 2048],
14 # ['RTE_ARM64_MEMCPY_UNALIGNED_THRESHOLD', 512],
15 # Leave below RTE_ARM64_MEMCPY_xxx options commented out,
16 # unless there are strong reasons.
17 # ['RTE_ARM64_MEMCPY_SKIP_GCC_VER_CHECK', false],
18 # ['RTE_ARM64_MEMCPY_ALIGN_MASK', 0xF],
19 # ['RTE_ARM64_MEMCPY_STRICT_ALIGN', false],
21 ['RTE_NET_FM10K', false],
22 ['RTE_NET_AVP', false],
24 ['RTE_SCHED_VECTOR', false],
25 ['RTE_ARM_USE_WFE', false],
26 ['RTE_ARCH_ARM64', true],
27 ['RTE_CACHE_LINE_SIZE', 128]
30 # implementer specific aarch64 flags, with middle priority
31 # (will overwrite common flags)
32 flags_implementer_generic = [
33 ['RTE_MACHINE', '"armv8a"'],
34 ['RTE_USE_C11_MEM_MODEL', true],
35 ['RTE_MAX_LCORE', 256]
37 flags_implementer_arm = [
38 ['RTE_MACHINE', '"armv8a"'],
39 ['RTE_USE_C11_MEM_MODEL', true],
40 ['RTE_CACHE_LINE_SIZE', 64],
43 flags_implementer_cavium = [
44 ['RTE_MAX_VFIO_GROUPS', 128],
45 ['RTE_MAX_LCORE', 96],
46 ['RTE_MAX_NUMA_NODES', 2]
48 flags_implementer_dpaa = [
49 ['RTE_MACHINE', '"dpaa"'],
50 ['RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', false],
51 ['RTE_USE_C11_MEM_MODEL', true],
52 ['RTE_CACHE_LINE_SIZE', 64],
53 ['RTE_MAX_LCORE', 16],
54 ['RTE_MAX_NUMA_NODES', 1]
56 flags_implementer_emag = [
57 ['RTE_MACHINE', '"emag"'],
58 ['RTE_CACHE_LINE_SIZE', 64],
59 ['RTE_MAX_LCORE', 32],
60 ['RTE_MAX_NUMA_NODES', 1]
62 flags_implementer_armada = [
63 ['RTE_MACHINE', '"armv8a"'],
64 ['RTE_CACHE_LINE_SIZE', 64],
65 ['RTE_MAX_LCORE', 16],
66 ['RTE_MAX_NUMA_NODES', 1]
69 # part number specific aarch64 flags, with highest priority
70 # (will overwrite both common and implementer specific flags)
71 flags_part_number_thunderx = [
72 ['RTE_MACHINE', '"thunderx"'],
73 ['RTE_USE_C11_MEM_MODEL', false]
75 flags_part_number_thunderx2 = [
76 ['RTE_MACHINE', '"thunderx2"'],
77 ['RTE_ARM_FEATURE_ATOMICS', true],
78 ['RTE_USE_C11_MEM_MODEL', true],
79 ['RTE_CACHE_LINE_SIZE', 64],
80 ['RTE_MAX_LCORE', 256],
81 ['RTE_MAX_NUMA_NODES', 2]
83 flags_part_number_octeontx2 = [
84 ['RTE_MACHINE', '"octeontx2"'],
85 ['RTE_ARM_FEATURE_ATOMICS', true],
86 ['RTE_USE_C11_MEM_MODEL', true],
87 ['RTE_EAL_IGB_UIO', false],
88 ['RTE_MAX_LCORE', 36],
89 ['RTE_MAX_NUMA_NODES', 1]
91 flags_part_number_n1generic = [
92 ['RTE_MACHINE', '"neoverse-n1"'],
93 ['RTE_ARM_FEATURE_ATOMICS', true],
94 ['RTE_USE_C11_MEM_MODEL', true],
95 ['RTE_EAL_NUMA_AWARE_HUGEPAGES', false],
96 ['RTE_LIBRTE_VHOST_NUMA', false],
97 ['RTE_MAX_MEM_MB', 1048576],
98 ['RTE_CACHE_LINE_SIZE', 64],
99 ['RTE_MAX_LCORE', 64],
100 ['RTE_MAX_NUMA_NODES', 1]
102 flags_part_number_n2generic = [
103 ['RTE_MACHINE', '"neoverse-n2"'],
104 ['RTE_ARM_FEATURE_ATOMICS', true],
105 ['RTE_USE_C11_MEM_MODEL', true],
106 ['RTE_EAL_NUMA_AWARE_HUGEPAGES', false],
107 ['RTE_LIBRTE_VHOST_NUMA', false],
108 ['RTE_MAX_LCORE', 64],
109 ['RTE_CACHE_LINE_SIZE', 64]
112 # arm config (implementer 0x41) is the default config
113 part_number_config_arm = [
114 ['generic', ['-march=armv8-a+crc', '-moutline-atomics']],
115 ['native', ['-march=native']],
116 ['0xd03', ['-mcpu=cortex-a53']],
117 ['0xd04', ['-mcpu=cortex-a35']],
118 ['0xd07', ['-mcpu=cortex-a57']],
119 ['0xd08', ['-mcpu=cortex-a72']],
120 ['0xd09', ['-mcpu=cortex-a73']],
121 ['0xd0a', ['-mcpu=cortex-a75']],
122 ['0xd0b', ['-mcpu=cortex-a76']],
123 ['0xd0c', ['-march=armv8.2-a+crypto', '-mcpu=neoverse-n1'], flags_part_number_n1generic],
124 ['0xd49', ['-march=armv8.5-a+crypto+sve2'], flags_part_number_n2generic]
127 part_number_config_cavium = [
128 ['generic', ['-march=armv8-a+crc+crypto','-mcpu=thunderx']],
129 ['native', ['-march=native']],
130 ['0xa1', ['-mcpu=thunderxt88'], flags_part_number_thunderx],
131 ['0xa2', ['-mcpu=thunderxt81'], flags_part_number_thunderx],
132 ['0xa3', ['-mcpu=thunderxt83'], flags_part_number_thunderx],
133 ['0xaf', ['-march=armv8.1-a+crc+crypto','-mcpu=thunderx2t99'], flags_part_number_thunderx2],
134 ['0xb2', ['-march=armv8.2-a+crc+crypto+lse','-mcpu=octeontx2'], flags_part_number_octeontx2]
136 part_number_config_emag = [
137 ['generic', ['-march=armv8-a+crc+crypto', '-mtune=emag']],
138 ['native', ['-march=native']]
141 ## Arm implementer ID (MIDR in Arm Architecture Reference Manual)
142 implementer_generic = ['Generic armv8', flags_implementer_generic, part_number_config_arm]
143 implementer_0x41 = ['Arm', flags_implementer_arm, part_number_config_arm]
144 implementer_0x43 = ['Cavium', flags_implementer_cavium, part_number_config_cavium]
145 implementer_0x50 = ['Ampere Computing', flags_implementer_emag, part_number_config_emag]
146 implementer_0x56 = ['Marvell ARMADA', flags_implementer_armada, part_number_config_arm]
147 implementer_dpaa = ['NXP DPAA', flags_implementer_dpaa, part_number_config_arm]
149 dpdk_conf.set('RTE_ARCH_ARM', 1)
150 dpdk_conf.set('RTE_FORCE_INTRINSICS', 1)
152 if dpdk_conf.get('RTE_ARCH_32')
154 dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)
155 dpdk_conf.set('RTE_ARCH_ARMv7', 1)
156 # the minimum architecture supported, armv7-a, needs the following,
157 machine_args += '-mfpu=neon'
160 implementer_id = 'generic'
161 machine_args = [] # Clear previous machine args
162 if machine == 'default' and not meson.is_cross_build()
164 implementer_config = implementer_generic
165 part_number = 'generic'
166 elif not meson.is_cross_build()
168 # The script returns ['Implementer', 'Variant', 'Architecture',
169 # 'Primary Part number', 'Revision']
170 detect_vendor = find_program(join_paths(
171 meson.current_source_dir(), 'armv8_machine.py'))
172 cmd = run_command(detect_vendor.path())
173 if cmd.returncode() == 0
174 cmd_output = cmd.stdout().to_lower().strip().split(' ')
175 implementer_id = cmd_output[0]
176 part_number = cmd_output[3]
178 # Set to generic if variable is not found
179 implementer_config = get_variable('implementer_' + implementer_id, ['generic'])
180 if implementer_config[0] == 'generic'
181 implementer_config = implementer_generic
182 part_number = 'generic'
184 if arm_force_native_march == true
185 part_number = 'native'
189 implementer_id = meson.get_cross_property('implementer_id', 'generic')
190 part_number = meson.get_cross_property('part_number', 'generic')
191 implementer_config = get_variable('implementer_' + implementer_id)
194 # Apply Common Defaults. These settings may be overwritten by machine
196 foreach flag: flags_common
198 dpdk_conf.set(flag[0], flag[1])
202 message('Implementer : ' + implementer_config[0])
203 foreach flag: implementer_config[1]
205 dpdk_conf.set(flag[0], flag[1])
209 foreach marg: implementer_config[2]
210 if marg[0] == part_number
211 foreach flag: marg[1]
212 if cc.has_argument(flag)
216 # Apply any extra machine specific flags.
217 foreach flag: marg.get(2, [])
219 dpdk_conf.set(flag[0], flag[1])
225 message('Using machine args: @0@'.format(machine_args))
227 if (cc.get_define('__ARM_NEON', args: machine_args) != '' or
228 cc.get_define('__aarch64__', args: machine_args) != '')
229 compile_time_cpuflags += ['RTE_CPUFLAG_NEON']
232 if cc.get_define('__ARM_FEATURE_CRC32', args: machine_args) != ''
233 compile_time_cpuflags += ['RTE_CPUFLAG_CRC32']
236 if cc.get_define('__ARM_FEATURE_CRYPTO', args: machine_args) != ''
237 compile_time_cpuflags += ['RTE_CPUFLAG_AES', 'RTE_CPUFLAG_PMULL',
238 'RTE_CPUFLAG_SHA1', 'RTE_CPUFLAG_SHA2']