Require Import Coqlib.
Require Import Maps.
Require Import ASTExtra.
Require Import Integers.
Require Import Floats.
Require Import Values.
Require Import Memory.
Require Import Events.
Require Import Stacklayout.
Require Import Globalenvs.
Require Import AsmX.
Require Import Smallstep.
Require Import AuxStateDataType.
Require Import Constant.
Require Import GlobIdent.
Require Import FlatMemory.
Require Import CommonTactic.
Require Import AuxLemma.
Require Import RealParams.
Require Import PrimSemantics.
Require Import LAsm.
Require Import LoadStoreSem2.
Require Import XOmega.

Require Import liblayers.logic.PTreeModules.
Require Import liblayers.logic.LayerLogicImpl.
Require Import liblayers.compat.CompatLayers.
Require Import liblayers.compat.CompatGenSem.

Require Import CalRealPTPool.
Require Import CalRealPT.
Require Import CalRealIDPDE.
Require Import CalRealInitPTE.
Require Import CalRealSMSPool.

Require Import INVLemmaContainer.
Require Import INVLemmaMemory.

Require Export MShareIntro.
Require Import AbstractDataType.

Section WITHMEM.

  Local Open Scope Z_scope.

  Context `{real_params: RealParams}.

  Context `{Hstencil: Stencil}.
  Context `{Hmem: Mem.MemoryModel}.
  Context `{Hmwd: UseMemWithData mem}.

  Section INV.

    Global Instance shared_mem_to_pending_inv:
      PreservesInvariants shared_mem_to_pending_spec.
    Proof.
      preserves_invariants_simpl low_level_invariant high_level_invariant; eauto 2.
    Qed.

    Global Instance shared_mem_to_dead_inv:
      PreservesInvariants shared_mem_to_dead_spec.
    Proof.
      preserves_invariants_simpl low_level_invariant high_level_invariant; eauto 2.
    Qed.

    Global Instance shared_mem_to_ready_inv:
      PreservesInvariants shared_mem_to_ready_spec.
    Proof.
      preserves_invariants_simpl'; functional inversion H2; subst.
      - eapply ptResv2_low_level_inv; eauto.
      - exploit ptResv2_low_level_inv; eauto.
        intros HP; inv HP. constructor; trivial.
      - eapply ptResv2_high_level_inv; eauto.
      - exploit ptResv2_high_level_inv; eauto.
        intros HP; inv HP. constructor; trivial.
      - eapply ptResv2_kernel_mode; eauto.
      - exploit ptResv2_kernel_mode; eauto.
    Qed.

    Global Instance sharedmem_init_inv: PreservesInvariants sharedmem_init_spec.
    Proof.
      preserves_invariants_simpl low_level_invariant high_level_invariant.
      - apply real_nps_range.
      - apply real_lat_kern_valid.
      - apply real_lat_usr_valid.
      - apply real_container_valid.
      - rewrite init_pperm; try assumption.
        apply Lreal_pperm_valid.
      - eapply real_pt_PMap_valid; eauto.
      - apply real_pt_PMap_kern.
      - omega.
      - assumption.
      - apply real_idpde_init.
      - apply real_pt_consistent_pmap.
      - apply real_pt_consistent_pmap_domain.
      - apply Lreal_at_consistent_lat_domain.
    Qed.

  End INV.

  Definition mshareop_fresh : compatlayer (cdata RData) :=
    shared_mem_to_pending ↦ gensem shared_mem_to_pending_spec
                          ⊕ shared_mem_to_dead ↦ gensem shared_mem_to_dead_spec
                          ⊕ shared_mem_to_ready ↦ gensem shared_mem_to_ready_spec
                          ⊕ get_shared_mem_status_seen ↦ gensem get_shared_mem_status_seen_spec
                          ⊕ shared_mem_init ↦ gensem sharedmem_init_spec.

  Definition mshareop_passthrough : compatlayer (cdata RData) :=
    fload ↦ gensem fload_spec
          ⊕ fstore ↦ gensem fstore_spec
          ⊕ flatmem_copy ↦ gensem flatmem_copy_spec
          ⊕ vmxinfo_get ↦ gensem vmxinfo_get_spec
          ⊕ device_output ↦ gensem device_output_spec
          ⊕ pfree ↦ gensem pfree_spec
          ⊕ set_pt ↦ gensem setPT_spec
          ⊕ pt_read ↦ gensem ptRead_spec
          ⊕ pt_resv ↦ gensem ptResv_spec
          ⊕ pt_resv2 ↦ gensem ptResv2_spec
          ⊕ pt_new ↦ gensem pt_new_spec
          
          ⊕ get_shared_mem_state ↦ gensem get_shared_mem_state_spec
          ⊕ get_shared_mem_seen ↦ gensem get_shared_mem_seen_spec
          ⊕ set_shared_mem_seen ↦ gensem set_shared_mem_seen_spec

          ⊕ pt_in ↦ primcall_general_compatsem' ptin_spec (prim_ident:= pt_in)
          ⊕ pt_out ↦ primcall_general_compatsem' ptout_spec (prim_ident:= pt_out)
          ⊕ clear_cr2 ↦ gensem clearCR2_spec
          ⊕ container_get_nchildren ↦ gensem container_get_nchildren_spec
          ⊕ container_get_quota ↦ gensem container_get_quota_spec
          ⊕ container_get_usage ↦ gensem container_get_usage_spec
          ⊕ container_can_consume ↦ gensem container_can_consume_spec
          ⊕ container_alloc ↦ gensem alloc_spec
          ⊕ trap_in ↦ primcall_general_compatsem trapin_spec
          ⊕ trap_out ↦ primcall_general_compatsem trapout_spec
          ⊕ host_in ↦ primcall_general_compatsem hostin_spec
          ⊕ host_out ↦ primcall_general_compatsem hostout_spec
          ⊕ trap_get ↦ primcall_trap_info_get_compatsem trap_info_get_spec
          ⊕ trap_set ↦ primcall_trap_info_ret_compatsem trap_info_ret_spec
          ⊕ accessors ↦ {| exec_load := (@exec_loadex _ _ Hmwd);
                           exec_store := (@exec_storeex _ _ Hmwd) |}.

  Definition mshareop : compatlayer (cdata RData) := mshareop_fresh ⊕ mshareop_passthrough.

End WITHMEM.

Section WITHPARAM.

  Context `{real_params: RealParams}.

  Local Open Scope Z_scope.

  Section Impl.
  End Impl.

End WITHPARAM.