213cc053f0
Expand the CI documentation to mention the concept tree. Add a reference to the page from the build page. Signed-off-by: Simon Glass <sjg@chromium.org>
36 lines
1.3 KiB
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36 lines
1.3 KiB
ReStructuredText
U-Boot runner container
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=======================
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See also :doc:`/develop/ci_testing`.
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In order to have a reproducible and portable build environment for CI we use a container for building in. This means that developers can also reproduce the CI environment, to a large degree at least, locally. This file is located in the tools/docker directory.
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The docker image supports both amd64 and arm64. Ensure that the
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'docker-buildx' Debian package is installed (or the equivalent on another
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distribution).
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You will need a multi-platform container, otherwise this error is shown::
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ERROR: Multi-platform build is not supported for the docker driver.
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Switch to a different driver, or turn on the containerd image store, and try again.
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You can add one with::
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sudo docker buildx create --name multiarch --driver docker-container --use
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Building is supported on both amd64 (i.e. 64-bit x86) and arm64 machines. While
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both amd64 and arm64 happen in parallel, the non-native part will take
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considerably longer as it must use QEMU to emulate the foreign code.
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To build the image yourself::
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.. code-block:: bash
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sudo docker buildx build --platform linux/arm64/v8,linux/amd64 -t your-namespace:your-tag .
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Or to use an existing container
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.. code-block:: bash
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sudo docker pull trini/u-boot-gitlab-ci-runner:jammy-20240227-14Mar2024
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