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The Machine Interface Specification of seL4

l4v/spec/machine/

This directory contains the Isabelle sources for the machine interface specification used in the abstract and design specifications of seL4.

Overview

ARMMachineTypes: ARM register set and related definitions.
MachineOps: definitions for the machine interface functions. Most interface functions are left non-deterministic. Some are assumed not to mutate C-observable state, others are defined in more detail.
MachineTypes: entry point to select a machine. Currently ARM only.
Platform: word size and other basic platform definitions.

This module is not built in isolation, but included in the ASpec and ExecSpec sessions.

the theory ARMMachineTypes is generated from Haskell using the tool in tools/haskell-translator and the skeleton file in spec/design/m-skel.