1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017 Intel Corporation.
3 # Copyright(c) 2017 Cavium, Inc
5 # for checking defines we need to use the correct compiler flags
6 march_opt = '-march=@0@'.format(machine)
8 arm_force_native_march = false
9 arm_force_default_march = (machine == 'default')
11 flags_common_default = [
12 # Accelarate rte_memcpy. Be sure to run unit test (memcpy_perf_autotest)
13 # to determine the best threshold in code. Refer to notes in source file
14 # (lib/librte_eal/arm/include/rte_memcpy_64.h) for more info.
15 ['RTE_ARCH_ARM64_MEMCPY', false],
16 # ['RTE_ARM64_MEMCPY_ALIGNED_THRESHOLD', 2048],
17 # ['RTE_ARM64_MEMCPY_UNALIGNED_THRESHOLD', 512],
18 # Leave below RTE_ARM64_MEMCPY_xxx options commented out, unless there're
20 # ['RTE_ARM64_MEMCPY_SKIP_GCC_VER_CHECK', false],
21 # ['RTE_ARM64_MEMCPY_ALIGN_MASK', 0xF],
22 # ['RTE_ARM64_MEMCPY_STRICT_ALIGN', false],
24 ['RTE_NET_FM10K', false],
25 ['RTE_NET_AVP', false],
27 ['RTE_SCHED_VECTOR', false],
28 ['RTE_ARM_USE_WFE', false],
32 ['RTE_MACHINE', '"armv8a"'],
33 ['RTE_MAX_LCORE', 256],
34 ['RTE_USE_C11_MEM_MODEL', true],
35 ['RTE_CACHE_LINE_SIZE', 128]]
37 ['RTE_MACHINE', '"armv8a"'],
38 ['RTE_MAX_LCORE', 16],
39 ['RTE_USE_C11_MEM_MODEL', true],
40 ['RTE_CACHE_LINE_SIZE', 64]]
42 ['RTE_CACHE_LINE_SIZE', 128],
43 ['RTE_MAX_NUMA_NODES', 2],
44 ['RTE_MAX_LCORE', 96],
45 ['RTE_MAX_VFIO_GROUPS', 128]]
47 ['RTE_MACHINE', '"dpaa"'],
48 ['RTE_USE_C11_MEM_MODEL', true],
49 ['RTE_CACHE_LINE_SIZE', 64],
50 ['RTE_MAX_NUMA_NODES', 1],
51 ['RTE_MAX_LCORE', 16],
52 ['RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', false]]
54 ['RTE_MACHINE', '"emag"'],
55 ['RTE_CACHE_LINE_SIZE', 64],
56 ['RTE_MAX_NUMA_NODES', 1],
57 ['RTE_MAX_LCORE', 32]]
59 ['RTE_MACHINE', '"armv8a"'],
60 ['RTE_CACHE_LINE_SIZE', 64],
61 ['RTE_MAX_NUMA_NODES', 1],
62 ['RTE_MAX_LCORE', 16]]
64 flags_default_extra = []
65 flags_thunderx_extra = [
66 ['RTE_MACHINE', '"thunderx"'],
67 ['RTE_USE_C11_MEM_MODEL', false]]
68 flags_thunderx2_extra = [
69 ['RTE_MACHINE', '"thunderx2"'],
70 ['RTE_CACHE_LINE_SIZE', 64],
71 ['RTE_MAX_NUMA_NODES', 2],
72 ['RTE_MAX_LCORE', 256],
73 ['RTE_ARM_FEATURE_ATOMICS', true],
74 ['RTE_USE_C11_MEM_MODEL', true]]
75 flags_octeontx2_extra = [
76 ['RTE_MACHINE', '"octeontx2"'],
77 ['RTE_MAX_NUMA_NODES', 1],
78 ['RTE_MAX_LCORE', 36],
79 ['RTE_ARM_FEATURE_ATOMICS', true],
80 ['RTE_EAL_IGB_UIO', false],
81 ['RTE_USE_C11_MEM_MODEL', true]]
82 flags_n1generic_extra = [
83 ['RTE_MACHINE', '"neoverse-n1"'],
84 ['RTE_MAX_LCORE', 64],
85 ['RTE_CACHE_LINE_SIZE', 64],
86 ['RTE_ARM_FEATURE_ATOMICS', true],
87 ['RTE_USE_C11_MEM_MODEL', true],
88 ['RTE_MAX_MEM_MB', 1048576],
89 ['RTE_MAX_NUMA_NODES', 1],
90 ['RTE_EAL_NUMA_AWARE_HUGEPAGES', false],
91 ['RTE_LIBRTE_VHOST_NUMA', false]]
92 flags_n2generic_extra = [
93 ['RTE_MACHINE', '"neoverse-n2"'],
94 ['RTE_MAX_LCORE', 64],
95 ['RTE_CACHE_LINE_SIZE', 64],
96 ['RTE_ARM_FEATURE_ATOMICS', true],
97 ['RTE_USE_C11_MEM_MODEL', true],
98 ['RTE_EAL_NUMA_AWARE_HUGEPAGES', false],
99 ['RTE_LIBRTE_VHOST_NUMA', false]]
101 machine_args_generic = [
102 ['default', ['-march=armv8-a+crc', '-moutline-atomics']],
103 ['native', ['-march=native']],
104 ['0xd03', ['-mcpu=cortex-a53']],
105 ['0xd04', ['-mcpu=cortex-a35']],
106 ['0xd07', ['-mcpu=cortex-a57']],
107 ['0xd08', ['-mcpu=cortex-a72']],
108 ['0xd09', ['-mcpu=cortex-a73']],
109 ['0xd0a', ['-mcpu=cortex-a75']],
110 ['0xd0b', ['-mcpu=cortex-a76']],
111 ['0xd0c', ['-march=armv8.2-a+crypto', '-mcpu=neoverse-n1'], flags_n1generic_extra],
112 ['0xd49', ['-march=armv8.5-a+crypto+sve2'], flags_n2generic_extra]]
114 machine_args_cavium = [
115 ['default', ['-march=armv8-a+crc+crypto','-mcpu=thunderx']],
116 ['native', ['-march=native']],
117 ['0xa1', ['-mcpu=thunderxt88'], flags_thunderx_extra],
118 ['0xa2', ['-mcpu=thunderxt81'], flags_thunderx_extra],
119 ['0xa3', ['-mcpu=thunderxt83'], flags_thunderx_extra],
120 ['0xaf', ['-march=armv8.1-a+crc+crypto','-mcpu=thunderx2t99'], flags_thunderx2_extra],
121 ['0xb2', ['-march=armv8.2-a+crc+crypto+lse','-mcpu=octeontx2'], flags_octeontx2_extra]]
123 machine_args_emag = [
124 ['default', ['-march=armv8-a+crc+crypto', '-mtune=emag']],
125 ['native', ['-march=native']]]
127 ## Arm implementer ID (ARM DDI 0487C.a, Section G7.2.106, Page G7-5321)
128 impl_generic = ['Generic armv8', flags_generic, machine_args_generic]
129 impl_0x41 = ['Arm', flags_arm, machine_args_generic]
130 impl_0x42 = ['Broadcom', flags_generic, machine_args_generic]
131 impl_0x43 = ['Cavium', flags_cavium, machine_args_cavium]
132 impl_0x44 = ['DEC', flags_generic, machine_args_generic]
133 impl_0x49 = ['Infineon', flags_generic, machine_args_generic]
134 impl_0x4d = ['Motorola', flags_generic, machine_args_generic]
135 impl_0x4e = ['NVIDIA', flags_generic, machine_args_generic]
136 impl_0x50 = ['Ampere Computing', flags_emag, machine_args_emag]
137 impl_0x51 = ['Qualcomm', flags_generic, machine_args_generic]
138 impl_0x53 = ['Samsung', flags_generic, machine_args_generic]
139 impl_0x56 = ['Marvell ARMADA', flags_armada, machine_args_generic]
140 impl_0x69 = ['Intel', flags_generic, machine_args_generic]
141 impl_dpaa = ['NXP DPAA', flags_dpaa, machine_args_generic]
143 dpdk_conf.set('RTE_ARCH_ARM', 1)
144 dpdk_conf.set('RTE_FORCE_INTRINSICS', 1)
146 if dpdk_conf.get('RTE_ARCH_32')
147 dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)
148 dpdk_conf.set('RTE_ARCH_ARMv7', 1)
149 # the minimum architecture supported, armv7-a, needs the following,
150 # mk/machine/armv7a/rte.vars.mk sets it too
151 machine_args += '-mfpu=neon'
153 dpdk_conf.set('RTE_CACHE_LINE_SIZE', 128)
154 dpdk_conf.set('RTE_ARCH_ARM64', 1)
157 cmd_generic = ['generic', '', '', 'default', '']
158 cmd_output = cmd_generic # Set generic by default
159 machine_args = [] # Clear previous machine args
160 if arm_force_default_march and not meson.is_cross_build()
161 machine = impl_generic
163 elif not meson.is_cross_build()
164 # The script returns ['Implementer', 'Variant', 'Architecture',
165 # 'Primary Part number', 'Revision']
166 detect_vendor = find_program(join_paths(
167 meson.current_source_dir(), 'armv8_machine.py'))
168 cmd = run_command(detect_vendor.path())
169 if cmd.returncode() == 0
170 cmd_output = cmd.stdout().to_lower().strip().split(' ')
172 # Set to generic if variable is not found
173 machine = get_variable('impl_' + cmd_output[0], ['generic'])
174 if machine[0] == 'generic'
175 machine = impl_generic
176 cmd_output = cmd_generic
178 impl_pn = cmd_output[3]
179 if arm_force_native_march == true
183 impl_id = meson.get_cross_property('implementor_id', 'generic')
184 impl_pn = meson.get_cross_property('implementor_pn', 'default')
185 machine = get_variable('impl_' + impl_id)
188 # Apply Common Defaults. These settings may be overwritten by machine
190 foreach flag: flags_common_default
192 dpdk_conf.set(flag[0], flag[1])
196 message('Implementer : ' + machine[0])
197 foreach flag: machine[1]
199 dpdk_conf.set(flag[0], flag[1])
203 foreach marg: machine[2]
204 if marg[0] == impl_pn
205 foreach flag: marg[1]
206 if cc.has_argument(flag)
210 # Apply any extra machine specific flags.
211 foreach flag: marg.get(2, flags_default_extra)
213 dpdk_conf.set(flag[0], flag[1])
219 message(machine_args)
221 if (cc.get_define('__ARM_NEON', args: machine_args) != '' or
222 cc.get_define('__aarch64__', args: machine_args) != '')
223 compile_time_cpuflags += ['RTE_CPUFLAG_NEON']
226 if cc.get_define('__ARM_FEATURE_CRC32', args: machine_args) != ''
227 compile_time_cpuflags += ['RTE_CPUFLAG_CRC32']
230 if cc.get_define('__ARM_FEATURE_CRYPTO', args: machine_args) != ''
231 compile_time_cpuflags += ['RTE_CPUFLAG_AES', 'RTE_CPUFLAG_PMULL',
232 'RTE_CPUFLAG_SHA1', 'RTE_CPUFLAG_SHA2']