Require Import Coqlib.
Require Import Errors.
Require Import AST.
Require Import Integers.
Require Import Floats.
Require Import Op.
Require Import Events.
Require Import Globalenvs.
Require Import Smallstep.
Require Import Values.
Require Import Memory.
Require Import Maps.
Require Import ZSet.
Require Import ListLemma2.
Require Import CommonTactic.
Require Import AuxLemma.
Require Import AuxStateDataType.
Require Import RealParams.
Require Import RefinementTactic.
Require Import PrimSemantics.
Require Import LayerCalculusLemma.
Require Import TacticsForTesting.
Require Import liblayers.logic.PTreeModules.
Require Import liblayers.logic.LayerLogicImpl.
Require Import liblayers.compcertx.Stencil.
Require Import liblayers.compcertx.MakeProgram.
Require Import liblayers.compat.CompatLayers.
Require Import liblayers.compat.CompatGenSem.
Require Import RData.
Require Import Constants.
Require Import SmmuCore.Layer.
Require Import HypsecCommLib.
Require Import SmmuCoreAux.Layer.
Require Import SmmuCore.Spec.
Require Import AbsMachine.Spec.
Require Import SmmuRaw.Spec.
Require Import SmmuCoreAux.Spec.
Local Open Scope Z_scope.
Local Opaque Z.add Z.mul Z.div Z.shiftl Z.shiftr Z.land Z.lor.
Section SmmuCoreProofHigh.
Local Open Scope string_scope.
Local Open Scope Z_scope.
Context `{real_params: RealParams}.
Notation HDATA := RData.
Notation LDATA := RData.
Notation HDATAOps := (cdata (cdata_ops := SmmuCore_ops) HDATA).
Notation LDATAOps := (cdata (cdata_ops := SmmuCoreAux_ops) HDATA).
Section WITHMEM.
Context `{Hstencil: Stencil}.
Context `{Hmem: Mem.MemoryModelX}.
Context `{Hmwd: UseMemWithData mem}.
Record relate_RData (f:meminj) (hadt: HDATA) (ladt: LDATA) :=
mkrelate_RData {
id_rel: hadt = ladt
}.
Inductive match_RData: stencil -> HDATA -> mem -> meminj -> Prop :=
| MATCH_RDATA: forall habd m f s, match_RData s habd m f.
Local Hint Resolve MATCH_RDATA.
Global Instance rel_ops: CompatRelOps HDATAOps LDATAOps :=
{
relate_AbData s f d1 d2 := relate_RData f d1 d2;
match_AbData s d1 m f := match_RData s d1 m f;
new_glbl := nil
}.
Global Instance rel_prf: CompatRel HDATAOps LDATAOps.
Proof.
constructor; intros; simpl; trivial.
constructor; inv H; trivial.
Qed.
Section FreshPrim.
Hint Unfold
handle_smmu_read_spec0
panic_spec
handle_smmu_read_spec
smmu_get_cbndx_spec
__handle_smmu_read_spec
handle_smmu_write_spec
handle_smmu_cb_access_spec
__handle_smmu_write_spec
handle_smmu_write_spec0
handle_smmu_global_access_spec
get_smmu_cfg_hw_ttbr_spec.
Lemma handle_smmu_write_spec_exists:
forall habd habd' labd hsr fault_ipa len index f
(Hspec: handle_smmu_write_spec hsr fault_ipa len index habd = Some habd')
(Hrel: relate_RData f habd labd),
exists labd', handle_smmu_write_spec0 hsr fault_ipa len index labd = Some labd' /\ relate_RData f habd' labd'.
Proof.
intros; inv Hrel; repeat autounfold in *; repeat simpl_hyp Hspec; contra; inv Hspec; srewrite; simpl in *.
destruct_if. eexists; split. reflexivity. constructor; destruct habd'; simpl in *; srewrite; reflexivity.
extract_if. bool_rel; omega. rewrite Cond. simpl.
eexists; split. reflexivity. constructor; destruct habd'; simpl in *; srewrite; reflexivity.
bool_rel; srewrite. simpl.
eexists; split. reflexivity. constructor; destruct labd; simpl in *; srewrite; reflexivity.
extract_if. repeat simpl_hyp C12; contra; inv C12; reflexivity. rewrite Cond.
eexists; split. reflexivity. constructor; reflexivity.
extract_if. repeat simpl_hyp C12; contra; inv C12; reflexivity. rewrite Cond.
eexists; split. reflexivity. constructor; reflexivity.
extract_if. repeat simpl_hyp C12; contra; inv C12; reflexivity. rewrite Cond.
eexists; split. reflexivity. constructor; reflexivity.
extract_if. bool_rel; omega. rewrite Cond. simpl.
extract_if. apply andb_true_iff; split; bool_rel_all; somega; reflexivity. rewrite Cond0.
srewrite; simpl.
extract_if. apply andb_true_iff; split; bool_rel_all; somega; reflexivity. rewrite Cond1.
eexists; split. reflexivity. constructor; reflexivity.
extract_if. bool_rel; omega. rewrite Cond. simpl.
extract_if. apply andb_true_iff; split; bool_rel_all; somega; reflexivity. rewrite Cond0.
srewrite; simpl.
extract_if. apply andb_true_iff; split; bool_rel_all; somega; reflexivity. rewrite Cond1.
eexists; split. reflexivity. constructor; reflexivity.
extract_if. bool_rel; omega. rewrite Cond. simpl.
extract_if. apply andb_true_iff; split; bool_rel_all; somega; reflexivity. rewrite Cond0.
srewrite; simpl.
extract_if. apply andb_true_iff; split; bool_rel_all; somega; reflexivity. rewrite Cond1.
eexists; split. reflexivity. constructor; reflexivity.
extract_if. bool_rel; omega. rewrite Cond. simpl.
eexists; split. reflexivity. constructor; destruct labd; simpl in *; srewrite; reflexivity.
extract_if. bool_rel; omega. rewrite Cond. simpl.
eexists; split. reflexivity. constructor; destruct habd'; simpl in *; srewrite; reflexivity.
extract_if. bool_rel; omega. rewrite Cond. simpl.
eexists; split. reflexivity. constructor; destruct habd'; simpl in *; srewrite; reflexivity.
extract_if. bool_rel; omega. rewrite Cond. simpl.
eexists; split. reflexivity. constructor; destruct labd; simpl in *; srewrite; reflexivity.
Qed.
Lemma handle_smmu_write_spec_ref:
compatsim (crel RData RData) (gensem handle_smmu_write_spec) handle_smmu_write_spec_low.
Proof.
Opaque handle_smmu_write_spec.
compatsim_simpl (@match_RData).
exploit handle_smmu_write_spec_exists; eauto 1;
intros (labd' & Hspec & Hrel).
refine_split; repeat (try econstructor; eauto).
Transparent handle_smmu_write_spec.
Qed.
Lemma handle_smmu_read_spec_exists:
forall habd habd' labd hsr fault_ipa len f
(Hspec: handle_smmu_read_spec hsr fault_ipa len habd = Some habd')
(Hrel: relate_RData f habd labd),
exists labd', handle_smmu_read_spec hsr fault_ipa len labd = Some labd' /\ relate_RData f habd' labd'.
Proof.
intros; inv Hrel; repeat autounfold in *. simpl_hyp Hspec. rewrite Hspec.
eexists; split. reflexivity. constructor; reflexivity.
Qed.
Lemma handle_smmu_read_spec_ref:
compatsim (crel RData RData) (gensem handle_smmu_read_spec) handle_smmu_read_spec_low.
Proof.
Opaque handle_smmu_read_spec.
compatsim_simpl (@match_RData).
exploit handle_smmu_read_spec_exists; eauto 1;
intros (labd' & Hspec & Hrel).
refine_split; repeat (try econstructor; eauto).
Transparent handle_smmu_read_spec.
Qed.
End FreshPrim.
Section PassthroughPrim.
Lemma passthrough_correct:
sim (crel HDATA LDATA) SmmuCore_passthrough SmmuCoreAux.
Proof.
sim_oplus; layer_sim_simpl; compatsim_simpl (@match_AbData);
match_external_states_simpl; destruct match_related; srewrite; try reflexivity.
- unfold host_dabt_is_write_spec; srewrite; reflexivity.
- unfold host_get_fault_ipa_spec; srewrite; reflexivity.
- unfold set_vm_remap_addr_spec; srewrite; reflexivity.
- unfold host_dabt_get_rd_spec; srewrite; reflexivity.
- unfold clear_phys_page_spec; srewrite; reflexivity.
- unfold get_exception_vector_spec; srewrite; reflexivity.
- unfold read_hpfar_el2_spec; srewrite; reflexivity.
- unfold read_actlr_el1_spec; srewrite; reflexivity.
- unfold host_dabt_get_as_spec; srewrite; reflexivity.
- unfold read_esr_el2_spec; srewrite; reflexivity.
- unfold set_vm_kvm_spec; srewrite; reflexivity.
- unfold set_vm_mapped_pages_spec; srewrite; reflexivity.
- unfold readl_relaxed_spec; srewrite; reflexivity.
- unfold set_shadow_dirty_bit_spec; srewrite; reflexivity.
- unfold set_vm_load_size_spec; srewrite; reflexivity.
- unfold host_skip_instr_spec; srewrite; reflexivity.
- unfold set_vm_load_addr_spec; srewrite; reflexivity.
- unfold set_vm_vcpu_spec; srewrite; reflexivity.
- unfold readq_relaxed_spec; srewrite; reflexivity.
Qed.
End PassthroughPrim.
End WITHMEM.
End SmmuCoreProofHigh.