1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
# 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')
machine_args_generic = [
['default', ['-march=armv8-a+crc+crypto']],
['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']],
]
machine_args_cavium = [
['default', ['-march=armv8-a+crc+crypto','-mcpu=thunderx']],
['native', ['-march=native']],
['0xa1', ['-mcpu=thunderxt88']],
['0xa2', ['-mcpu=thunderxt81']],
['0xa3', ['-mcpu=thunderxt83']]]
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/common/include/arch/arm/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],
]
flags_generic = [
['RTE_MACHINE', '"armv8a"'],
['RTE_MAX_LCORE', 256],
['RTE_USE_C11_MEM_MODEL', true],
['RTE_CACHE_LINE_SIZE', 128]]
flags_cavium = [
['RTE_MACHINE', '"thunderx"'],
['RTE_CACHE_LINE_SIZE', 128],
['RTE_MAX_NUMA_NODES', 2],
['RTE_MAX_LCORE', 96],
['RTE_MAX_VFIO_GROUPS', 128],
['RTE_USE_C11_MEM_MODEL', false]]
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]]
flags_dpaa2 = [
['RTE_MACHINE', '"dpaa2"'],
['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]]
## 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_generic, 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 = ['AppliedMicro', flags_generic, machine_args_generic]
impl_0x51 = ['Qualcomm', flags_generic, machine_args_generic]
impl_0x53 = ['Samsung', flags_generic, machine_args_generic]
impl_0x56 = ['Marvell', flags_generic, machine_args_generic]
impl_0x69 = ['Intel', flags_generic, machine_args_generic]
impl_dpaa = ['NXP DPAA', flags_dpaa, machine_args_generic]
impl_dpaa2 = ['NXP DPAA2', flags_dpaa2, machine_args_generic]
dpdk_conf.set('RTE_FORCE_INTRINSICS', 1)
if cc.sizeof('void *') != 8
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)
dpdk_conf.set('RTE_ARCH_64', 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
# Primary part number based mcpu flags are supported
# for gcc versions > 7
if cc.version().version_compare(
'<7.0') or cmd_output.length() == 0
if not meson.is_cross_build() and arm_force_native_march == true
impl_pn = 'native'
else
impl_pn = 'default'
endif
endif
foreach marg: machine[2]
if marg[0] == impl_pn
foreach f: marg[1]
machine_args += f
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
|
