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startup: add CRT0_ENTRY_HOOK for immediate reset handler callback#103

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bugobliterator wants to merge 1 commit intomasterfrom
pr-fix-dfu
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startup: add CRT0_ENTRY_HOOK for immediate reset handler callback#103
bugobliterator wants to merge 1 commit intomasterfrom
pr-fix-dfu

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@bugobliterator
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@bugobliterator bugobliterator commented Jan 23, 2026

Add optional __entry_hook function called at the very start of _crt0_entry before interrupts are disabled. Disabled by default.

This allows ardupilot bootloader to catch DFU boot request and boot to DFU instead of continuing to Application boot.

Add optional __entry_hook function called at the very start of
_crt0_entry before interrupts are disabled. Disabled by default.
@andyp1per
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@bugobliterator I already did this - #102

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