Arm Zephyr cmake Preset#11923

Merged

BujSet merged 64 commits intopytorch:mainfrom

BujSet:arm_zephyr_cmake_preset

Jul 3, 2025

Commits on Jul 2, 2025

Testing new arm-zephyr-eabi-gcc.cmake file
BujSet
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Testing updated to setup sscript for zephyr toolchain
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Testing cmake configs to build with zephyr, currently build fails
BujSet
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Able to run the build_size_test, but exporting the models seems to fail

ZephyrUser
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Initial test for cmake preset test
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Testing minimal change undo to see if hang resolves

ZephyrUser
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Seems like there is a cmake caching issue, trying to commit and then run from clean install
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Testing full path specification in arm zephyr cmake
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Need full path for linker too
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Think I got add example working, need to test on clean install
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Initial tests seem to work, now starting incremental rollback on uneeded changes
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Things still work, undoing uneeded source code changes
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iSpearating out changes only for zephyr cmake preset diff
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Adding in support for CI flow, required allowing setup script to take url for user specified toolchain download
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Updating plumbing to run scripts to allow toolchain to be passed in as runtime cmd line arg
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Addressing some of the PR ocmments
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Testing if I can use cusotm zephyr pal cpp default file
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Testing new PAL cpp file
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Zephyr PAL file seems to not be set correctly

Github Executorch
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linting

Github Executorch
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Think I fixed the ci runner, but having issues with building the size test

Github Executorch
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build_size_test appears to be working now
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Linting
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Minizing chages to only include relevant stuff
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Fixing minor typos
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Found minimal set of configs to enable arm zephyr toolchain preset
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Addressing some comments
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Testing overloading of arm-eabi-gcc.cmake to use for both zephyr and bare metal
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Deciding to still to single toolchain-gcc.cmake file and just allow for toolchain overload selection.
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Minor typo fix
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Linting and minor typo fix
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Update test threshold
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Adding correct flag to make sure build size test is accurate, updated threshold

Github Executorch
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BujSet
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Something broke when trying to overload arm-none-eabi-gcc.cmake file, add example does not run anymore

Github Executorch
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BujSet
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Addressing some comments
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Attempting to revert to separate cmake version
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Removing unnecessary setup script
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Removing other unneeded changes, update ci script to do correct command line arg parsing
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Updating setup script and cleaning comments
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Something broke on CI, log info unclear
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Testing fix to CI setup script
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Fix did not work, testing alternate solution
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Used wrong bash notation, attempting to fix
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Addressing comment to decouple zephyr from arm ethos-u
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Updating build preset
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Bash default seems to not be working, testing fix
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This seems to fix the bash default usage

Github Executorch
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BujSet
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Updating CI test

Github Executorch
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New zephyr directory not being found, trying to fix

Github Executorch
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Seems like CI still cant find directory, adding debug help

Github Executorch
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Silly typo fix

Github Executorch
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Undoing other uneeded changes

Github Executorch
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BujSet
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Updating CI for build preset to match CI size test job params
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Toolchain files not found for arm zephyr, adding it into the CI test script
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Seems like an output dir naming issue, testing fix
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Changing desired toolcahin out dir name to mathc name of extracted dir
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No need for named output extraction dir anymore
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Malformed PATH, testing fix
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Adding toolchain download verification to CI build preset test
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Fixing wrong file path
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Changing naming convention of cmake file
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Rebasing based off main, think I resolved it
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Rebase was ugly and not correct, this should fix
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Still fixing rebase errors
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