Io restoration#452
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Single-commit view of all CertiKProject/vostd main changes relative to asterinas/vostd main, for cleaner PR review.
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This PR restores parity with
io.rsand fixes some incomplete verification issues in that file. I've streamlined the model a bit as well, and added part of the top-level soundness proof inembedding, mainly to help convince myself that the new model is sufficient.The other interesting thing I'd like to point out is the tarball in
vtrace. This is the static version of a code difference tracker we've been working on here: https://github.com/CertiKProject/dv-verus-rewrite-tracker. It documents all of the differences between this branch and the originalphaseII/mainlinecode, subject to predefined equivalence relations. The idea is to expand the equivalences where possible, or else manually approve intentional differences. Segment and io have up-to-date triage in the static copy.