Library mcertikos.proc.PCVOp


This file defines the abstract data and the primitives for the PAbQueue layer, which will introduce abstraction of kernel context
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 CalRealProcModule.

Require Import INVLemmaContainer.
Require Import INVLemmaMemory.
Require Import INVLemmaThread.

Require Import AbstractDataType.

Require Import CalTicketLock.
Require Import INVLemmaQLock.
Require Import INVLemmaInterrupt.
Require Import INVLemmaDriver.
Require Import DeviceStateDataType.
Require Import FutureTactic.

Require Export PCVIntro.

Abstract Data and Primitives at this layer

Section WITHMEM.

  Local Open Scope Z_scope.

  Context `{oracle_prop: MultiOracleProp}.
  Context `{real_params: RealParams}.

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

Proofs that the primitives satisfies the invariants at this layer

  Section INV.


    Section RECEIVE.

      Lemma page_copy_back_high_level_inv:
         d chid cound addr,
          page_copy_back_spec chid cound addr d = Some
          → high_level_invariant d
          → high_level_invariant .
      Proof.
        intros. functional inversion H; subst; eauto.
        inv H0.
        constructor; simpl; intros;
        try eapply dirty_ppage_gss_page_copy_back; eauto.
      Qed.

      Lemma page_copy_back_low_level_inv:
         d chid cound addr n,
          page_copy_back_spec chid cound addr d = Some
          → low_level_invariant n d
          → low_level_invariant n .
      Proof.
        intros. functional inversion H; subst; eauto.
        inv H0. constructor; eauto 2.
      Qed.

      Lemma page_copy_back_kernel_mode:
         d chid cound addr,
          page_copy_back_spec chid cound addr d = Some
          → kernel_mode d
          → kernel_mode .
      Proof.
        intros. functional inversion H; subst; eauto.
      Qed.

      Lemma ipc_receive_body_high_level_inv:
         fromid vaddr count d n,
          ipc_receive_body_spec fromid vaddr count d = Some (, n)
          high_level_invariant d
          high_level_invariant .
      Proof.
        intros. functional inversion H; subst; eauto.
        exploit page_copy_back_high_level_inv; eauto.
        intros Hh. inv Hh. constructor; eauto 2; simpl; intros.
      Qed.

      Lemma ipc_receive_body_low_level_inv:
         fromid vaddr count d n ,
          ipc_receive_body_spec fromid vaddr count d = Some (, n)
          low_level_invariant d
          low_level_invariant .
      Proof.
        intros. functional inversion H; subst; eauto.
        exploit page_copy_back_low_level_inv; eauto.
        intros Hh. inv Hh. constructor; eauto 2.
      Qed.

      Lemma ipc_receive_body_kernel_mode:
         fromid vaddr count d n,
          ipc_receive_body_spec fromid vaddr count d = Some (, n)
          kernel_mode d
          kernel_mode .
      Proof.
        intros. functional inversion H; subst; eauto.
        exploit page_copy_back_kernel_mode; eauto.
      Qed.

      Global Instance ipc_receive_body_inv: PreservesInvariants ipc_receive_body_spec.
      Proof.
        preserves_invariants_simpl´.
        - eapply ipc_receive_body_low_level_inv; eassumption.
        - eapply ipc_receive_body_high_level_inv; eassumption.
        - eapply ipc_receive_body_kernel_mode; eassumption.
      Qed.

    End RECEIVE.

    Section SEND.

      Lemma page_copy_high_level_inv:
         d chid cound addr,
          page_copy_spec chid cound addr d = Some
          → high_level_invariant d
          → high_level_invariant .
      Proof.
        intros. functional inversion H; subst; eauto.
        inv H0.
        constructor; simpl; intros; eauto.
        - eapply consistent_ppage_log_gso; eauto.
          eapply Shared2ID2_neq; eauto.
          reflexivity.
        - eapply LATCTable_log_gso; eauto.
          eapply Shared2ID2_neq; eauto.
          reflexivity.
        - eapply valid_hlock_pool1_gss´; eauto.
        - eapply valid_AT_log_pool_H_gso; eauto.
          eapply Shared2ID2_neq; eauto.
          reflexivity.
        - eapply valid_ABTCB_log_pool_gso´; eauto.
          reflexivity.
      Qed.

      Lemma page_copy_low_level_inv:
         d chid cound addr n,
          page_copy_spec chid cound addr d = Some
          → low_level_invariant n d
          → low_level_invariant n .
      Proof.
        intros. functional inversion H; subst; eauto.
        inv H0. constructor; eauto 2.
      Qed.

      Lemma page_copy_kernel_mode:
         d chid cound addr,
          page_copy_spec chid cound addr d = Some
          → kernel_mode d
          → kernel_mode .
      Proof.
        intros. functional inversion H; subst; eauto.
      Qed.

      Lemma ipc_send_body_high_level_inv:
         fromid vaddr count d n,
          ipc_send_body_spec fromid vaddr count d = Some (, n)
          high_level_invariant d
          high_level_invariant .
      Proof.
        intros. functional inversion H; subst; eauto.
        exploit page_copy_high_level_inv; eauto.
        intros Hh. inv Hh. constructor; eauto 2; simpl; intros.
      Qed.

      Lemma ipc_send_body_low_level_inv:
         fromid vaddr count d n ,
          ipc_send_body_spec fromid vaddr count d = Some (, n)
          low_level_invariant d
          low_level_invariant .
      Proof.
        intros. functional inversion H; subst; eauto.
        exploit page_copy_low_level_inv; eauto.
        intros Hh. inv Hh. constructor; eauto 2.
      Qed.

      Lemma ipc_send_body_kernel_mode:
         fromid vaddr count d n,
          ipc_send_body_spec fromid vaddr count d = Some (, n)
          kernel_mode d
          kernel_mode .
      Proof.
        intros. functional inversion H; subst; eauto.
        exploit page_copy_kernel_mode; eauto.
      Qed.

      Global Instance ipc_send_body_inv: PreservesInvariants ipc_send_body_spec.
      Proof.
        preserves_invariants_simpl´.
        - eapply ipc_send_body_low_level_inv; eassumption.
        - eapply ipc_send_body_high_level_inv; eassumption.
        - eapply ipc_send_body_kernel_mode; eassumption.
      Qed.

    End SEND.

    Global Instance fifobbq_pool_init_inv: PreservesInvariants fifobbq_pool_init_spec.
    Proof.
      preserves_invariants_simpl low_level_invariant high_level_invariant.
      - apply real_nps_range.
      - apply AC_init_container_valid.
      - rewrite init_pperm; [|try assumption].
        apply real_pperm_log_valid.
      - eapply real_pt_PMap_valid; eauto.
      - apply real_pt_PMap_kern.
      - omega.
      - assumption.
      - apply real_idpde_init.
      - apply real_pt_weak_consistent_pmap.
      - apply real_pt_consistent_pmap_domain.
      - apply Lreal_at_consistent_lat_domain.
      - eapply LATCTable_log_real; eauto.
      - assumption.
      - apply real_abtcb_range; auto.
      - apply real_abq_range; auto.
      - eapply real_abtcb_abq_QCount; eauto.
      - eapply real_abq_tcb_inQ; eauto.
      - assumption.
      - eapply real_valid_hlock_pool1; eauto.
      - assumption.
      - eapply real_valid_AT_log_pool_H; eauto.
      - assumption.
      - eapply real_valid_ABTCB_log_pool; eauto.
    Qed.

  End INV.

  Definition pcvop_fresh : compatlayer (cdata RData) :=
    ipc_send_body gensem ipc_send_body_spec
                   ipc_receive_body gensem ipc_receive_body_spec

                  

                   fifobbq_pool_init gensem fifobbq_pool_init_spec.

Layer Definition

  Definition pcvop_passthrough : compatlayer (cdata RData) :=
    fload gensem fload_spec
           fstore gensem fstore_spec
           vmxinfo_get gensem vmxinfo_get_spec
           palloc gensem palloc_spec
          
           set_pt gensem setPT_spec
           pt_read gensem ptRead_spec
           pt_resv gensem ptResv_spec
           kctxt_new dnew_compatsem ObjThread.kctxt_new_spec
          
           shared_mem_status gensem shared_mem_status_spec
           offer_shared_mem gensem offer_shared_mem_spec

           get_state gensem get_state0_spec
           set_state gensem set_state0_spec
           tcb_get_CPU_ID gensem get_abtcb_CPU_ID_spec
           tcb_set_CPU_ID gensem set_abtcb_CPU_ID_spec

           enqueue gensem enqueue0_spec
           dequeue gensem dequeue0_spec
          
           enqueue_atomic gensem enqueue_atomic_spec
           dequeue_atomic gensem dequeue_atomic_spec
          
          

           pt_in primcall_general_compatsem´ ptin_spec (prim_ident:= pt_in)
           pt_out primcall_general_compatsem´ ptout_spec (prim_ident:= pt_out)
           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

           get_CPU_ID gensem get_CPU_ID_spec
           get_curid gensem get_curid_spec
           set_curid gensem set_curid_spec
           set_curid_init gensem set_curid_init_spec

           sleeper_inc gensem sleeper_inc_spec
           sleeper_dec gensem sleeper_dec_spec
           sleeper_zzz gensem sleeper_zzz_spec

           acquire_lock_CHAN gensem acquire_lock_SC_spec
           release_lock_CHAN gensem release_lock_SC_spec
           get_sync_chan_busy gensem get_sync_chan_busy_spec
           set_sync_chan_busy gensem set_sync_chan_busy_spec

          
          
          
          
          

           cli gensem cli_spec
           sti gensem sti_spec
           serial_intr_disable gensem serial_intr_disable_spec
           serial_intr_enable gensem serial_intr_enable_spec
           serial_putc gensem serial_putc_spec
           cons_buf_read gensem cons_buf_read_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
           proc_create_postinit gensem proc_create_postinit_spec
           trap_get primcall_trap_info_get_compatsem trap_info_get_spec
           trap_set primcall_trap_info_ret_compatsem trap_info_ret_spec
           kctxt_switch primcall_kctxt_switch_compatsem kctxt_switch_spec
           accessors {| exec_load := (@exec_loadex _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hmwd);
                           exec_store := (@exec_storeex _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hmwd) |}.

  Definition pcvop : compatlayer (cdata RData) := pcvop_fresh pcvop_passthrough.

End WITHMEM.