-# BSD LICENSE
-#
-# Copyright(c) 2017 Intel Corporation.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# * Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in
-# the documentation and/or other materials provided with the
-# distribution.
-# * Neither the name of Intel Corporation nor the names of its
-# contributors may be used to endorse or promote products derived
-# from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2017-2020 Intel Corporation
-# for checking defines we need to use the correct compiler flags
-march_opt = '-march=@0@'.format(machine)
+# get binutils version for the workaround of Bug 97
+if not is_windows
+ binutils_ok = run_command(binutils_avx512_check)
+ if binutils_ok.returncode() != 0 and cc.has_argument('-mno-avx512f')
+ machine_args += '-mno-avx512f'
+ warning('Binutils error with AVX512 assembly, disabling AVX512 support')
+ endif
+endif
-# we require SSE4.2 for DPDK
-sse_errormsg = '''SSE4.2 instruction set is required for DPDK.
-Please set the machine type to "nehalem" or "corei7" or higher value'''
+# check if compiler is working with _mm512_extracti64x4_epi64
+# Ref: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82887
+if cc.has_argument('-mavx512f')
+ code = '''#include <immintrin.h>
+ void test(__m512i zmm){
+ __m256i ymm = _mm512_extracti64x4_epi64(zmm, 0);}'''
+ result = cc.compiles(code, args : '-mavx512f', name : 'AVX512 checking')
+ if result == false
+ machine_args += '-mno-avx512f'
+ warning('Broken _mm512_extracti64x4_epi64, disabling AVX512 support')
+ endif
+endif
-if cc.get_define('__SSE4_2__', args: march_opt) == ''
- error(sse_errormsg)
+# we require SSE4.2 for DPDK
+if cc.get_define('__SSE4_2__', args: machine_args) == ''
+ message('SSE 4.2 not enabled by default, explicitly enabling')
+ machine_args += '-msse4'
endif
base_flags = ['SSE', 'SSE2', 'SSE3','SSSE3', 'SSE4_1', 'SSE4_2']
foreach f:base_flags
- dpdk_conf.set('RTE_MACHINE_CPUFLAG_' + f, 1)
- compile_time_cpuflags += ['RTE_CPUFLAG_' + f]
+ compile_time_cpuflags += ['RTE_CPUFLAG_' + f]
endforeach
+optional_flags = [
+ 'AES',
+ 'AVX',
+ 'AVX2',
+ 'AVX512BW',
+ 'AVX512CD',
+ 'AVX512DQ',
+ 'AVX512F',
+ 'AVX512VL',
+ 'PCLMUL',
+ 'RDRND',
+ 'RDSEED',
+ 'VPCLMULQDQ',
+]
+foreach f:optional_flags
+ if cc.get_define('__@0@__'.format(f), args: machine_args) == '1'
+ if f == 'PCLMUL' # special case flags with different defines
+ f = 'PCLMULQDQ'
+ elif f == 'RDRND'
+ f = 'RDRAND'
+ endif
+ compile_time_cpuflags += ['RTE_CPUFLAG_' + f]
+ endif
+endforeach
+
+
dpdk_conf.set('RTE_ARCH_X86', 1)
-if (host_machine.cpu_family() == 'x86_64')
- dpdk_conf.set('RTE_ARCH_X86_64', 1)
- dpdk_conf.set('RTE_ARCH', 'x86_64')
- dpdk_conf.set('RTE_ARCH_64', 1)
+if dpdk_conf.get('RTE_ARCH_64')
+ dpdk_conf.set('RTE_ARCH_X86_64', 1)
+ dpdk_conf.set('RTE_ARCH', 'x86_64')
else
- dpdk_conf.set('RTE_ARCH_I686', 1)
- dpdk_conf.set('RTE_ARCH', 'i686')
-endif
-
-if cc.get_define('__AES__', args: march_opt) != ''
- dpdk_conf.set('RTE_MACHINE_CPUFLAG_AES', 1)
- compile_time_cpuflags += ['RTE_CPUFLAG_AES']
-endif
-if cc.get_define('__PCLMUL__', args: march_opt) != ''
- dpdk_conf.set('RTE_MACHINE_CPUFLAG_PCLMULQDQ', 1)
- compile_time_cpuflags += ['RTE_CPUFLAG_PCLMULQDQ']
-endif
-if cc.get_define('__AVX__', args: march_opt) != ''
- dpdk_conf.set('RTE_MACHINE_CPUFLAG_AVX', 1)
- compile_time_cpuflags += ['RTE_CPUFLAG_AVX']
-endif
-if cc.get_define('__AVX2__', args: march_opt) != ''
- dpdk_conf.set('RTE_MACHINE_CPUFLAG_AVX2', 1)
- compile_time_cpuflags += ['RTE_CPUFLAG_AVX2']
-endif
-if cc.get_define('__AVX512F__', args: march_opt) != ''
- dpdk_conf.set('RTE_MACHINE_CPUFLAG_AVX512F', 1)
- compile_time_cpuflags += ['RTE_CPUFLAG_AVX512F']
+ dpdk_conf.set('RTE_ARCH_I686', 1)
+ dpdk_conf.set('RTE_ARCH', 'i686')
endif
dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)
+dpdk_conf.set('RTE_MAX_LCORE', 128)
+dpdk_conf.set('RTE_MAX_NUMA_NODES', 32)
git.droids-corp.org / dpdk.git / blobdiff