Obtain the cross tool chain
---------------------------
The latest cross compile tool chain can be downloaded from:
-https://releases.linaro.org/components/toolchain/binaries/latest/aarch64-linux-gnu/.
+https://developer.arm.com/open-source/gnu-toolchain/gnu-a/downloads.
-Following is the step to get the version 7.2.1, latest one at the time of this writing.
+It is always recommended to check and get the latest compiler tool from the page and use
+it to generate better code. As of this writing 8.3-2019.03 is the newest, the following
+description is an example of this version.
.. code-block:: console
- wget https://releases.linaro.org/components/toolchain/binaries/latest/aarch64-linux-gnu/gcc-linaro-7.2.1-2017.11-x86_64_aarch64-linux-gnu.tar.xz
+ wget https://developer.arm.com/-/media/Files/downloads/gnu-a/8.3-2019.03/binrel/gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu.tar.xz
Unzip and add into the PATH
---------------------------
.. code-block:: console
- tar -xvf gcc-linaro-7.2.1-2017.11-x86_64_aarch64-linux-gnu.tar.xz
- export PATH=$PATH:<cross_install_dir>/gcc-linaro-7.2.1-2017.11-x86_64_aarch64-linux-gnu/bin
+ tar -xvf gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu.tar.xz
+ export PATH=$PATH:<cross_install_dir>/gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu/bin
.. note::
- For the host requirements and other info, refer to the release note section: https://releases.linaro.org/components/toolchain/binaries/latest/
+ For the host requirements and other info, refer to the release note section: https://releases.linaro.org/components/toolchain/binaries/
+
+.. _arm_cross_build_getting_the_prerequisite_library:
Getting the prerequisite library
--------------------------------
git clone https://github.com/numactl/numactl.git
cd numactl
- git checkout v2.0.11 -b v2.0.11
+ git checkout v2.0.13 -b v2.0.13
./autogen.sh
autoconf -i
./configure --host=aarch64-linux-gnu CC=aarch64-linux-gnu-gcc --prefix=<numa install dir>
.. code-block:: console
- cp <numa_install_dir>/include/numa*.h <cross_install_dir>/gcc-linaro-7.2.1-2017.11-x86_64_aarch64-linux-gnu/bin/../aarch64-linux-gnu/libc/usr/include/
- cp <numa_install_dir>/lib/libnuma.a <cross_install_dir>/gcc-linaro-7.2.1-2017.11-x86_64_aarch64-linux-gnu/lib/gcc/aarch64-linux-gnu/7.2.1/
+ cp <numa_install_dir>/include/numa*.h <cross_install_dir>/gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu/aarch64-linux-gnu/libc/usr/include/
+ cp <numa_install_dir>/lib/libnuma.a <cross_install_dir>/gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu/lib/gcc/aarch64-linux-gnu/8.3.0/
+ cp <numa_install_dir>/lib/libnuma.so <cross_install_dir>/gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu/lib/gcc/aarch64-linux-gnu/8.3.0/
.. _configure_and_cross_compile_dpdk_build:
-Configure and cross compile DPDK Build
---------------------------------------
-To configure a build, choose one of the target configurations, like arm64-dpaa2-linuxapp-gcc and arm64-thunderx-linuxapp-gcc.
+Cross Compiling DPDK using Meson
+--------------------------------
+
+Meson depends on pkgconfig to find the dependencies.
+The package ``pkg-config-aarch64-linux-gnu`` is required for aarch64.
+To install it in Ubuntu::
+
+ sudo apt-get install pkg-config-aarch64-linux-gnu
+
+To cross-compile DPDK on a desired target machine we can use the following
+command::
+
+ meson cross-build --cross-file <target_machine_configuration>
+ ninja -C cross-build
+
+For example if the target machine is arm64 we can use the following
+command::
+
+ meson arm64-build --cross-file config/arm/arm64_armv8_linux_gcc
+ ninja -C arm64-build
+
+Configure and Cross Compile DPDK using Make
+-------------------------------------------
+To configure a build, choose one of the target configurations, like arm64-dpaa-linux-gcc and arm64-thunderx-linux-gcc.
.. code-block:: console
- make config T=arm64-armv8a-linuxapp-gcc
+ make config T=arm64-armv8a-linux-gcc
To cross-compile, without compiling the kernel modules, use the following command:
.. code-block:: console
make -j CROSS=aarch64-linux-gnu- CONFIG_RTE_KNI_KMOD=n CONFIG_RTE_EAL_IGB_UIO=n EXTRA_CFLAGS="-isystem <numa_install_dir>/include" EXTRA_LDFLAGS="-L<numa_install_dir>/lib -lnuma"
-
-Meson Cross Compiling DPDK
---------------------------
-
-To cross-compile DPDK on a desired target machine we can use the following
-command::
-
- meson cross-build --cross-file <target_machine_configuration>
- ninja -C cross-build
-
-For example if the target machine is arm64 we can use the following
-command::
-
- meson arm64-build --cross-file config/arm/arm64_armv8_linuxapp_gcc
- ninja -C arm64-build