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
10 machine_args_generic = [
11 ['default', ['-march=armv8-a+crc+crypto']],
12 ['native', ['-march=native']],
13 ['0xd03', ['-mcpu=cortex-a53']],
14 ['0xd04', ['-mcpu=cortex-a35']],
15 ['0xd07', ['-mcpu=cortex-a57']],
16 ['0xd08', ['-mcpu=cortex-a72']],
17 ['0xd09', ['-mcpu=cortex-a73']],
18 ['0xd0a', ['-mcpu=cortex-a75']],
20 machine_args_cavium = [
21 ['default', ['-march=armv8-a+crc+crypto','-mcpu=thunderx']],
22 ['native', ['-march=native']],
23 ['0xa1', ['-mcpu=thunderxt88']],
24 ['0xa2', ['-mcpu=thunderxt81']],
25 ['0xa3', ['-mcpu=thunderxt83']]]
27 flags_common_default = [
28 # Accelarate rte_memcpy. Be sure to run unit test (memcpy_perf_autotest)
29 # to determine the best threshold in code. Refer to notes in source file
30 # (lib/librte_eal/common/include/arch/arm/rte_memcpy_64.h) for more info.
31 ['RTE_ARCH_ARM64_MEMCPY', false],
32 # ['RTE_ARM64_MEMCPY_ALIGNED_THRESHOLD', 2048],
33 # ['RTE_ARM64_MEMCPY_UNALIGNED_THRESHOLD', 512],
34 # Leave below RTE_ARM64_MEMCPY_xxx options commented out, unless there're
36 # ['RTE_ARM64_MEMCPY_SKIP_GCC_VER_CHECK', false],
37 # ['RTE_ARM64_MEMCPY_ALIGN_MASK', 0xF],
38 # ['RTE_ARM64_MEMCPY_STRICT_ALIGN', false],
40 ['RTE_LIBRTE_FM10K_PMD', false],
41 ['RTE_LIBRTE_SFC_EFX_PMD', false],
42 ['RTE_LIBRTE_AVP_PMD', false],
44 ['RTE_SCHED_VECTOR', false],
48 ['RTE_MACHINE', '"armv8a"'],
49 ['RTE_MAX_LCORE', 256],
50 ['RTE_USE_C11_MEM_MODEL', true],
51 ['RTE_CACHE_LINE_SIZE', 128]]
53 ['RTE_MACHINE', '"thunderx"'],
54 ['RTE_CACHE_LINE_SIZE', 128],
55 ['RTE_MAX_NUMA_NODES', 2],
56 ['RTE_MAX_LCORE', 96],
57 ['RTE_MAX_VFIO_GROUPS', 128],
58 ['RTE_USE_C11_MEM_MODEL', false]]
60 ['RTE_MACHINE', '"dpaa"'],
61 ['RTE_USE_C11_MEM_MODEL', true],
62 ['RTE_CACHE_LINE_SIZE', 64],
63 ['RTE_MAX_NUMA_NODES', 1],
64 ['RTE_MAX_LCORE', 16]]
66 ['RTE_MACHINE', '"dpaa2"'],
67 ['RTE_USE_C11_MEM_MODEL', true],
68 ['RTE_CACHE_LINE_SIZE', 64],
69 ['RTE_MAX_NUMA_NODES', 1],
70 ['RTE_MAX_LCORE', 16],
71 ['RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', false]]
73 ## Arm implementer ID (ARM DDI 0487C.a, Section G7.2.106, Page G7-5321)
74 impl_generic = ['Generic armv8', flags_generic, machine_args_generic]
75 impl_0x41 = ['Arm', flags_generic, machine_args_generic]
76 impl_0x42 = ['Broadcom', flags_generic, machine_args_generic]
77 impl_0x43 = ['Cavium', flags_cavium, machine_args_cavium]
78 impl_0x44 = ['DEC', flags_generic, machine_args_generic]
79 impl_0x49 = ['Infineon', flags_generic, machine_args_generic]
80 impl_0x4d = ['Motorola', flags_generic, machine_args_generic]
81 impl_0x4e = ['NVIDIA', flags_generic, machine_args_generic]
82 impl_0x50 = ['AppliedMicro', flags_generic, machine_args_generic]
83 impl_0x51 = ['Qualcomm', flags_generic, machine_args_generic]
84 impl_0x53 = ['Samsung', flags_generic, machine_args_generic]
85 impl_0x56 = ['Marvell', flags_generic, machine_args_generic]
86 impl_0x69 = ['Intel', flags_generic, machine_args_generic]
87 impl_dpaa = ['NXP DPAA', flags_dpaa, machine_args_generic]
88 impl_dpaa2 = ['NXP DPAA2', flags_dpaa2, machine_args_generic]
90 dpdk_conf.set('RTE_FORCE_INTRINSICS', 1)
92 if cc.sizeof('void *') != 8
93 dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)
94 dpdk_conf.set('RTE_ARCH_ARM', 1)
95 dpdk_conf.set('RTE_ARCH_ARMv7', 1)
96 # the minimum architecture supported, armv7-a, needs the following,
97 # mk/machine/armv7a/rte.vars.mk sets it too
98 machine_args += '-mfpu=neon'
100 dpdk_conf.set('RTE_CACHE_LINE_SIZE', 128)
101 dpdk_conf.set('RTE_ARCH_ARM64', 1)
102 dpdk_conf.set('RTE_ARCH_64', 1)
105 cmd_generic = ['generic', '', '', 'default', '']
106 cmd_output = cmd_generic # Set generic by default
107 machine_args = [] # Clear previous machine args
108 if not meson.is_cross_build()
109 # The script returns ['Implementer', 'Variant', 'Architecture',
110 # 'Primary Part number', 'Revision']
111 detect_vendor = find_program(join_paths(
112 meson.current_source_dir(), 'armv8_machine.py'))
113 cmd = run_command(detect_vendor.path())
114 if cmd.returncode() == 0
115 cmd_output = cmd.stdout().to_lower().strip().split(' ')
117 # Set to generic if variable is not found
118 machine = get_variable('impl_' + cmd_output[0], 'generic')
119 if machine == 'generic'
120 machine = impl_generic
121 cmd_output = cmd_generic
123 impl_pn = cmd_output[3]
124 if arm_force_native_march == true
128 impl_id = meson.get_cross_property('implementor_id', 'generic')
129 impl_pn = meson.get_cross_property('implementor_pn', 'default')
130 machine = get_variable('impl_' + impl_id)
133 # Apply Common Defaults. These settings may be overwritten by machine
135 foreach flag: flags_common_default
137 dpdk_conf.set(flag[0], flag[1])
141 message('Implementer : ' + machine[0])
142 foreach flag: machine[1]
144 dpdk_conf.set(flag[0], flag[1])
147 # Primary part number based mcpu flags are supported
148 # for gcc versions > 7
149 if cc.version().version_compare(
150 '<7.0') or cmd_output.length() == 0
151 if not meson.is_cross_build() and arm_force_native_march == true
157 foreach marg: machine[2]
158 if marg[0] == impl_pn
165 message(machine_args)
167 if (cc.get_define('__ARM_NEON', args: machine_args) != '' or
168 cc.get_define('__aarch64__', args: machine_args) != '')
169 dpdk_conf.set('RTE_MACHINE_CPUFLAG_NEON', 1)
170 compile_time_cpuflags += ['RTE_CPUFLAG_NEON']
173 if cc.get_define('__ARM_FEATURE_CRC32', args: machine_args) != ''
174 dpdk_conf.set('RTE_MACHINE_CPUFLAG_CRC32', 1)
175 compile_time_cpuflags += ['RTE_CPUFLAG_CRC32']
178 if cc.get_define('__ARM_FEATURE_CRYPTO', args: machine_args) != ''
179 dpdk_conf.set('RTE_MACHINE_CPUFLAG_AES', 1)
180 dpdk_conf.set('RTE_MACHINE_CPUFLAG_PMULL', 1)
181 dpdk_conf.set('RTE_MACHINE_CPUFLAG_SHA1', 1)
182 dpdk_conf.set('RTE_MACHINE_CPUFLAG_SHA2', 1)
183 compile_time_cpuflags += ['RTE_CPUFLAG_AES', 'RTE_CPUFLAG_PMULL',
184 'RTE_CPUFLAG_SHA1', 'RTE_CPUFLAG_SHA2']