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restore_hcr_el2.v
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restore_hcr_el2.v
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Require Import RefProofDeps.
Require Import RData.
Require Import EventReplay.
Require Import MoverTypes.
Require Import Constants.
Require Import CommonLib.
Require Import RefTactics.
Require Import AbsAccessor.Spec.
Require Import CtxtSwitch.Specs.restore_hcr_el2.
Require Import CtxtSwitch.LowSpecs.restore_hcr_el2.
Require Import CtxtSwitch.RefProof.RefRel.
Local Open Scope string_scope.
Local Open Scope Z_scope.
Local Opaque Z.add Z.mul Z.div Z.shiftl Z.shiftr Z.land Z.lor.
Section Refine.
Hint Unfold
get_rec_common_sysregs_spec
sysreg_write_spec
.
Lemma restore_hcr_el2_spec_exists:
forall habd habd' labd rec
(Hspec: restore_hcr_el2_spec rec habd = Some habd')
(Hrel: relate_RData habd labd),
exists labd', restore_hcr_el2_spec0 rec labd = Some labd' /\ relate_RData habd' labd'.
Proof.
Local Opaque ptr_eq.
intros. destruct Hrel. destruct rec.
unfold restore_hcr_el2_spec, restore_hcr_el2_spec0 in *.
repeat autounfold in *. simpl in *.
hsimpl_hyp Hspec; inv Hspec; simpl_query_oracle; extract_prop_dec;
repeat destruct_con; bool_rel; simpl in *; srewrite;
repeat (simpl_htarget; grewrite; simpl in * ).
destruct regs_is_int64_dec in *. autounfold in e. repeat rewrite e.
repeat simpl_update_reg.
eexists; split. reflexivity. constructor. reflexivity.
inv C3.
Qed.
End Refine.