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From: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
To: jerin.jacob@caviumnetworks.com, bruce.richardson@intel.com,
harry.van.haaren@intel.com, herbert.guan@arm.com, hemant.agrawal@nxp.com
Cc: dev@dpdk.org,
Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Date: Fri, 19 Jan 2018 23:53:48 +0530
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Subject: [dpdk-dev] [PATCH v4 1/2] build: add support for ARM builds
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From: Bruce Richardson <bruce.richardson@intel.com>
Add files to enable compiling for ARM cross builds.
This can be tested by doing a cross-compile for armv8-a type using
the linaro gcc toolchain.
meson arm-build --cross-file aarch64_cross.txt
ninja -C arm-build
where aarch64_cross.txt contained the following
[binaries]
c = 'aarch64-linux-gnu-gcc'
cpp = 'aarch64-linux-gnu-cpp'
ar = 'aarch64-linux-gnu-ar'
[host_machine]
system = 'linux'
cpu_family = 'aarch64'
cpu = 'armv8-a'
endian = 'little'
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
---
v4 Changes:
- use set_quoted to set config instead of explicitly using quotes.
v3 Changes:
- Fix missing SPDX license tags
v2 Changes:
- Merged RFC patch.
- Added framework to easily other vendor specific flags
- renamed machine_arg to machine_args
config/arm/meson.build | 36 ++++++++++++++++++++++
config/meson.build | 4 ++-
lib/librte_eal/common/arch/arm/meson.build | 5 +++
lib/librte_eal/common/include/arch/arm/meson.build | 29 +++++++++++++++++
4 files changed, 73 insertions(+), 1 deletion(-)
create mode 100644 config/arm/meson.build
create mode 100644 lib/librte_eal/common/arch/arm/meson.build
create mode 100644 lib/librte_eal/common/include/arch/arm/meson.build
diff --git a/config/arm/meson.build b/config/arm/meson.build
new file mode 100644
index 000000000..f05de4c2c
--- /dev/null
+++ b/config/arm/meson.build
@@ -0,0 +1,36 @@
+# 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)
+
+dpdk_conf.set('RTE_FORCE_INTRINSICS', 1)
+if cc.sizeof('void *') == 8
+ dpdk_conf.set('RTE_CACHE_LINE_SIZE', 128)
+ dpdk_conf.set('RTE_ARCH_ARM64', 1)
+ dpdk_conf.set('RTE_ARCH_64', 1)
+else
+ dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)
+ dpdk_conf.set('RTE_ARCH_ARM', 1)
+ dpdk_conf.set('RTE_ARCH_ARMv7', 1)
+endif
+
+if cc.get_define('__ARM_NEON', args: march_opt) != ''
+ dpdk_conf.set('RTE_MACHINE_CPUFLAG_NEON', 1)
+ compile_time_cpuflags += ['RTE_CPUFLAG_NEON']
+endif
+
+if cc.get_define('__ARM_FEATURE_CRC32', args: march_opt) != ''
+ dpdk_conf.set('RTE_MACHINE_CPUFLAG_CRC32', 1)
+ compile_time_cpuflags += ['RTE_CPUFLAG_CRC32']
+endif
+
+if cc.get_define('__ARM_FEATURE_CRYPTO', args: march_opt) != ''
+ 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
diff --git a/config/meson.build b/config/meson.build
index 95223042f..fa55c53a5 100644
--- a/config/meson.build
+++ b/config/meson.build
@@ -56,8 +56,10 @@ endforeach
compile_time_cpuflags = []
if host_machine.cpu_family().startswith('x86')
arch_subdir = 'x86'
- subdir(arch_subdir)
+elif host_machine.cpu_family().startswith('arm') or host_machine.cpu_family().startswith('aarch')
+ arch_subdir = 'arm'
endif
+subdir(arch_subdir)
dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags))
# set the install path for the drivers
diff --git a/lib/librte_eal/common/arch/arm/meson.build b/lib/librte_eal/common/arch/arm/meson.build
new file mode 100644
index 000000000..c6bd92272
--- /dev/null
+++ b/lib/librte_eal/common/arch/arm/meson.build
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2017 Intel Corporation.
+
+eal_common_arch_sources = files('rte_cpuflags.c',
+ 'rte_cycles.c')
diff --git a/lib/librte_eal/common/include/arch/arm/meson.build b/lib/librte_eal/common/include/arch/arm/meson.build
new file mode 100644
index 000000000..77893fa35
--- /dev/null
+++ b/lib/librte_eal/common/include/arch/arm/meson.build
@@ -0,0 +1,29 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2017 Intel Corporation.
+
+install_headers(
+ 'rte_atomic_32.h',
+ 'rte_atomic_64.h',
+ 'rte_atomic.h',
+ 'rte_byteorder.h',
+ 'rte_cpuflags_32.h',
+ 'rte_cpuflags_64.h',
+ 'rte_cpuflags.h',
+ 'rte_cycles_32.h',
+ 'rte_cycles_64.h',
+ 'rte_cycles.h',
+ 'rte_io_64.h',
+ 'rte_io.h',
+ 'rte_memcpy_32.h',
+ 'rte_memcpy_64.h',
+ 'rte_memcpy.h',
+ 'rte_pause_32.h',
+ 'rte_pause_64.h',
+ 'rte_pause.h',
+ 'rte_prefetch_32.h',
+ 'rte_prefetch_64.h',
+ 'rte_prefetch.h',
+ 'rte_rwlock.h',
+ 'rte_spinlock.h',
+ 'rte_vect.h',
+ subdir: get_option('include_subdir_arch'))
--
2.15.1