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Manifest repository

This repository contains google repo manifest files for the verification repository collection. It manages the collection of repositories that are needed for the verification of the seL4 microkernel. In particular, these repositories include the proofs, the kernel sources, the theorem prover Isabelle/HOL, the theorem prover HOL4, and the binary verification tool chain.

Contents

The manifest files stored here come in three categories:

  • default.xml: this manifest stores the latest tested-as-working combination of the seL4 code and proof repositories. It is updated automatically by CI jobs. It points to specific revision hashes, and should generally not be modified manually.

  • mcs.xml: this manifest stores the latest tested-as-working combination of the seL4 code and proof repositories for the MCS proofs (the rt branch in the l4v repository). It is updated automatically by CI jobs. It points to specific revision hashes, and should generally not be modified manually.

  • development manifests such as devel.xml and mcs-devel.xml: these are for proof development and typically point to branch names of the verification repositories in combination with a fixed revision hash of the seL4 code repository. The seL4 revision in devel.xml and mcs-devel.xml is updated automatically by CI jobs for code changes in seL4 that are not visible to the proofs. It should be updated manually or using the version bump script whenever proofs are updated in sync with the code. This will then trigger a CI run and, if successful, a corresponding update in default.xml or mcs.xml.

  • release version manifests such as 12.0.0.xml: these store the repository version configuration for official releases of seL4. Use these to check proofs for release versions.

Use

To build the seL4 proofs, please follow the setup instructions in the l4v repository.

For build instructions for the binary verification, see the graph-refine repository.

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