else
machine = get_option('machine')
endif
+
+# machine type 'default' is special, it defaults to the per arch agreed common
+# minimal baseline needed for DPDK.
+# That might not be the most optimized, but the most portable version while
+# still being able to support the CPU features required for DPDK.
+# This can be bumped up by the DPDK project, but it can never be an
+# invariant like 'native'
+if machine == 'default'
+ if host_machine.cpu_family().startswith('x86')
+ # matches the old pre-meson build systems default
+ machine = 'corei7'
+ elif host_machine.cpu_family().startswith('arm')
+ machine = 'armv7-a'
+ elif host_machine.cpu_family().startswith('aarch')
+ # arm64 manages defaults in config/arm/meson.build
+ machine = 'default'
+ elif host_machine.cpu_family().startswith('ppc')
+ machine = 'power8'
+ endif
+endif
+
dpdk_conf.set('RTE_MACHINE', machine)
machine_args = []
-machine_args += '-march=' + machine
+
+# ppc64 does not support -march= at all, use -mcpu and -mtune for that
+if host_machine.cpu_family().startswith('ppc')
+ machine_args += '-mcpu=' + machine
+ machine_args += '-mtune=' + machine
+else
+ machine_args += '-march=' + machine
+endif
toolchain = cc.get_id()
dpdk_conf.set_quoted('RTE_TOOLCHAIN', toolchain)
dpdk_conf.set('RTE_TOOLCHAIN_' + toolchain.to_upper(), 1)
+# get binutils version for the workaround of Bug 97
+ldver = run_command('ld', '-v').stdout().strip()
+if ldver.contains('2.30')
+ if cc.has_argument('-mno-avx512f')
+ machine_args += '-mno-avx512f'
+ endif
+endif
+
+add_project_link_arguments('-Wl,--no-as-needed', language: 'c')
+dpdk_extra_ldflags += '-Wl,--no-as-needed'
+
# use pthreads
add_project_link_arguments('-pthread', language: 'c')
dpdk_extra_ldflags += '-pthread'
# values which have defaults which may be overridden
dpdk_conf.set('RTE_MAX_VFIO_GROUPS', 64)
dpdk_conf.set('RTE_DRIVER_MEMPOOL_BUCKET_SIZE_KB', 64)
+dpdk_conf.set('RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', true)
compile_time_cpuflags = []
if host_machine.cpu_family().startswith('x86')
arch_subdir = 'x86'
elif host_machine.cpu_family().startswith('arm') or host_machine.cpu_family().startswith('aarch')
arch_subdir = 'arm'
+elif host_machine.cpu_family().startswith('ppc')
+ arch_subdir = 'ppc_64'
endif
subdir(arch_subdir)
dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags))
dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)
install_headers('rte_config.h', subdir: get_option('include_subdir_arch'))
+
+# enable VFIO only if it is linux OS
+dpdk_conf.set('RTE_EAL_VFIO', host_machine.system() == 'linux')