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c3900139 |
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21-Apr-2018 |
Matthew Brecknell <Matthew.Brecknell@data61.csiro.au> |
x64 crefine: prove several lemmas in Retype_C
To prove that retyping a TCB establishes the state relation for TCBs,
it is necessary to prove that the C FPU null state is always equal to
the Haskell FPU null state. This commit therefore includes some
machinery for maintaining the state relation for the FPU null state,
and repairs many proofs.
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