Arm backend: Add support for Zephyr as a external module #16294
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This commit has everything needed to build executorch from zephyr and include it as a external module without having any changes in zephyr. Based on code by BujSet. Co-authored-by: BujSet <ranganath1000@gmail.com> Co-authored-by: Zingo Andersen <zingo.andersen@arm.com> Co-authored-by: Per Held <per.held@arm.com> Change-Id: I1a1aeb8aa02f1b5e3a578dd25d031919c9925019 Signed-off-by: Zingo Andersen <Zingo.Andersen@arm.com>
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🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/16294
Note: Links to docs will display an error until the docs builds have been completed. ❌ 1 New Failure, 1 Unrelated FailureAs of commit 31f8796 with merge base cf8496a ( NEW FAILURE - The following job has failed:
UNSTABLE - The following job is marked as unstable, possibly due to flakiness on trunk:
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zingo
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Dec 17, 2025
| CONFIG_CPP=y | ||
| CONFIG_STD_CPP17=y | ||
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| # Needed as kernels/portable/cpu/op_allclose.cpp uses isfinite() instead of std::isfinite() |
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I have a PR on it's way to fix this, it will be uploaded after this is merged as it depends on this PR
zingo
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Dec 17, 2025
| * ethos-u-core-driver for hardware interaction. | ||
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| // Workaround for runtime/core/portable_type/c10/c10/util/Float16-math.h |
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Hi @digantdesai this touches file outside Arm folders and need a non Arm review. |
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For reference: There are some extra information about this PR in this discussions zephyrproject-rtos/zephyr#92981 |
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Summary
This commit has everything needed to build executorch from zephyr and include it as a external module without having any changes in zephyr.
Based on code by BujSet.
Test plan
Tested by hand. Plan to update GitHub testing for this in later PR
cc @freddan80 @per @oscarandersson8218 @digantdesai
Co-authored-by: BujSet <ranganath1000@gmail.com>
Co-authored-by: Adrian Lundell <adrian.lundell@arm.com>
Co-authored-by: Zingo Andersen <zingo.andersen@arm.com>
Co-authored-by: Per Held <per.held@arm.com>