riscv-rt: Add __post_init Rust function
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rmsyn
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Jul 9, 2025
rmsyn
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Small question, but LGTM overall.
Thanks for adding the trybuild tests!
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Inspired by
esp-riscv-rt. It includes a__post_initRust function to perform initialization actions safely from Rust.The new
__post_initfunction is optional and feature-gated. If enabled, no default symbol is provided, and users must include this function. They can use the new#[riscv_rt::post_init]attribute macro. I includedtrybuildtests.