1 files changed, 54 insertions, 0 deletions
diff --git a/src/spdk/dpdk/config/x86/meson.build b/src/spdk/dpdk/config/x86/meson.build
new file mode 100644
index 000000000..adc857ba2
--- /dev/null
+++ b/src/spdk/dpdk/config/x86/meson.build
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2017-2019 Intel Corporation
+
+# get binutils version for the workaround of Bug 97
+if not is_windows
+	ldver = run_command('ld', '-v').stdout().strip()
+	if ldver.contains('2.30') and cc.has_argument('-mno-avx512f')
+		machine_args += '-mno-avx512f'
+		message('Binutils 2.30 detected, disabling AVX512 support as workaround for bug #97')
+	endif
+	if ldver.contains('2.31') and cc.has_argument('-mno-avx512f')
+		machine_args += '-mno-avx512f'
+		message('Binutils 2.31 detected, disabling AVX512 support as workaround for bug #249')
+	endif
+endif
+
+# 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]
+endforeach
+
+optional_flags = ['AES', 'PCLMUL',
+		'AVX', 'AVX2', 'AVX512F',
+		'RDRND', 'RDSEED']
+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
+		dpdk_conf.set('RTE_MACHINE_CPUFLAG_' + f, 1)
+		compile_time_cpuflags += ['RTE_CPUFLAG_' + f]
+	endif
+endforeach
+
+
+dpdk_conf.set('RTE_ARCH_X86', 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
+
+dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)