userlib: Introduce `Arch` trait - #2705

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jamesmunns wants to merge 3 commits into

james/arch-traitfrom

james/userlib-trait

Commits on Sep 21, 2026

Move userlib `stub` functions into `arch/thumb.rs`
jamesmunns
committed
da5cdba
Introduce (but don't implement) userlib arch trait
jamesmunns
committed
9027ade
Implement top level `sys_` functions in terms of the `Arch` functions
jamesmunns
committed
6ba5f69