199 lines
6.5 KiB
ReStructuredText
199 lines
6.5 KiB
ReStructuredText
.. _toolchain_zephyr_sdk:
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Zephyr SDK
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##########
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The Zephyr Software Development Kit (SDK) contains toolchains for each of
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Zephyr's supported architectures. It also includes additional host tools, such
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as custom QEMU and OpenOCD.
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Use of the Zephyr SDK is highly recommended and may even be required under
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certain conditions (for example, running tests in QEMU for some architectures).
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The Zephyr SDK supports the following target architectures:
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* ARC (32-bit and 64-bit; ARCv1, ARCv2, ARCv3)
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* ARM (32-bit and 64-bit; ARMv6, ARMv7, ARMv8; A/R/M Profiles)
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* MIPS (32-bit and 64-bit)
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* Nios II
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* RISC-V (32-bit and 64-bit; RV32I, RV32E, RV64I)
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* x86 (32-bit and 64-bit)
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* Xtensa
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The Zephyr SDK bundle supports all major operating systems (Linux, macOS and
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Windows) and is delivered as a compressed file.
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The installation consists of extracting the file and running the included setup
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script. Additional OS-specific instructions are described in the sections below.
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By default, the Zephyr build system assumes that the toolchain will be obtained
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from the Zephyr SDK. You can enforce this by setting the environment variable
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:envvar:`ZEPHYR_TOOLCHAIN_VARIANT` to ``zephyr``.
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If you install the Zephyr SDK outside any of the default locations (listed in
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the operating system specific instructions below), you must register the Zephyr
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SDK in the CMake package registry by running the setup script or setting
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:envvar:`ZEPHYR_SDK_INSTALL_DIR` to point to the Zephyr SDK installation
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directory.
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You can also set :envvar:`ZEPHYR_SDK_INSTALL_DIR` to point to a directory
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containing multiple Zephyr SDKs, allowing for automatic toolchain selection. For
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example, you can set ``ZEPHYR_SDK_INSTALL_DIR`` to ``/company/tools``, where the
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``company/tools`` folder contains the following subfolders:
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* ``/company/tools/zephyr-sdk-0.13.2``
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* ``/company/tools/zephyr-sdk-a.b.c``
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* ``/company/tools/zephyr-sdk-x.y.z``
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This allows the Zephyr build system to choose the correct version of the SDK,
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while allowing multiple Zephyr SDKs to be grouped together at a specific path.
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.. _toolchain_zephyr_sdk_install_linux:
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Install Zephyr SDK on Linux
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***************************
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#. Download and verify the `latest Zephyr SDK bundle`_:
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.. code-block:: bash
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wget https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.14.2/zephyr-sdk-0.14.2_linux-x86_64.tar.gz
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wget -O - https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.14.2/sha256.sum | shasum --check --ignore-missing
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You can change ``0.14.2`` to another version if needed; the `Zephyr SDK
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Releases`_ page contains all available SDK releases.
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If your host architecture is 64-bit ARM (for example, Raspberry Pi), replace
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``x86_64`` with ``aarch64`` in order to download the 64-bit ARM Linux SDK.
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#. Extract the Zephyr SDK bundle archive:
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.. code-block:: bash
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cd <sdk download directory>
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tar xvf zephyr-sdk-0.14.2_linux-x86_64.tar.gz
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#. Run the Zephyr SDK bundle setup script:
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.. code-block:: bash
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cd zephyr-sdk-0.14.2
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./setup.sh
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If this fails, make sure Zephyr's dependencies were installed as described
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in :ref:`Install Requirements and Dependencies <linux_requirements>`.
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If you want to uninstall the SDK, remove the directory where you installed it.
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If you relocate the SDK directory, you need to re-run the setup script.
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.. note::
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It is recommended to extract the Zephyr SDK bundle at one of the following
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default locations:
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* ``$HOME``
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* ``$HOME/.local``
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* ``$HOME/.local/opt``
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* ``$HOME/bin``
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* ``/opt``
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* ``/usr/local``
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The Zephyr SDK bundle archive contains the ``zephyr-sdk-0.14.2`` directory and, when
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extracted under ``$HOME``, the resulting installation path will be
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``$HOME/zephyr-sdk-0.14.2``.
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.. _toolchain_zephyr_sdk_install_macos:
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Install Zephyr SDK on macOS
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***************************
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#. Download and verify the `latest Zephyr SDK bundle`_:
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.. code-block:: bash
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cd ~
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wget https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.14.2/zephyr-sdk-0.14.2_macos-x86_64.tar.gz
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wget -O - https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.14.2/sha256.sum | shasum --check --ignore-missing
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If your host architecture is 64-bit ARM (Apple Silicon, also known as M1), replace
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``x86_64`` with ``aarch64`` in order to download the 64-bit ARM macOS SDK.
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#. Extract the Zephyr SDK bundle archive:
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.. code-block:: bash
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tar xvf zephyr-sdk-0.14.2_macos-x86_64.tar.gz
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.. note::
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It is recommended to extract the Zephyr SDK bundle at one of the following
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default locations:
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* ``$HOME``
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* ``$HOME/.local``
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* ``$HOME/.local/opt``
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* ``$HOME/bin``
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* ``/opt``
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* ``/usr/local``
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The Zephyr SDK bundle archive contains the ``zephyr-sdk-0.14.2`` directory and, when
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extracted under ``$HOME``, the resulting installation path will be
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``$HOME/zephyr-sdk-0.14.2``.
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#. Run the Zephyr SDK bundle setup script:
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.. code-block:: bash
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cd zephyr-sdk-0.14.2
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./setup.sh
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.. note::
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You only need to run the setup script once after extracting the Zephyr SDK bundle.
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You must rerun the setup script if you relocate the Zephyr SDK bundle directory after
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the initial setup.
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.. _toolchain_zephyr_sdk_install_windows:
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Install Zephyr SDK on Windows
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*****************************
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#. Open a ``cmd.exe`` window by pressing the Windows key typing "cmd.exe".
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#. Download the `latest Zephyr SDK bundle`_:
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.. code-block:: console
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cd %HOMEPATH%
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wget https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.14.2/zephyr-sdk-0.14.2_windows-x86_64.zip
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#. Extract the Zephyr SDK bundle archive:
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.. code-block:: console
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unzip zephyr-sdk-0.14.2_windows-x86_64.zip
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.. note::
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It is recommended to extract the Zephyr SDK bundle at one of the following
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default locations:
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* ``%HOMEPATH%``
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* ``%PROGRAMFILES%``
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The Zephyr SDK bundle archive contains the ``zephyr-sdk-0.14.2`` directory and, when
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extracted under ``%HOMEPATH%``, the resulting installation path will be
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``%HOMEPATH%\zephyr-sdk-0.14.2``.
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#. Run the Zephyr SDK bundle setup script:
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.. code-block:: console
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cd zephyr-sdk-0.14.2
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setup.cmd
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.. note::
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You only need to run the setup script once after extracting the Zephyr SDK bundle.
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You must rerun the setup script if you relocate the Zephyr SDK bundle directory after
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the initial setup.
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.. _latest Zephyr SDK bundle: https://github.com/zephyrproject-rtos/sdk-ng/releases
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.. _Zephyr SDK Releases: https://github.com/zephyrproject-rtos/sdk-ng/releases
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