Library mcertikos.proc.PAbQueueAtomic


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 PAbQueue.

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 QUEUE_ATOMIC.

      Lemma enqueue_atomic_high_level_inv:
         d i n,
          enqueue_atomic_spec n i d = Some
          high_level_invariant d
          high_level_invariant .
      Proof.
        intros. functional inversion H; subst; eauto.
        eapply release_lock_ABTCB_high_level_inv; eauto.
        eapply enqueue_high_level_inv; eauto.
        eapply acquire_lock_ABTCB_high_level_inv; eauto.
      Qed.

      Lemma enqueue_atomic_low_level_inv:
         d i n ,
          enqueue_atomic_spec n i d = Some
          low_level_invariant d
          low_level_invariant .
      Proof.
        intros. functional inversion H; subst; eauto.
        eapply release_lock_ABTCB_low_level_inv; eauto.
        eapply enqueue_low_level_inv; eauto.
        eapply acquire_lock_ABTCB_low_level_inv; eauto.
      Qed.

      Lemma enqueue_atomic_kernel_mode:
         d n i,
          enqueue_atomic_spec n i d = Some
          kernel_mode d
          kernel_mode .
      Proof.
        intros. functional inversion H; subst; eauto.
        unfold release_lock_ABTCB_spec in ×.
        subdestruct; inv H1; simpl; eauto.
      Qed.

      Global Instance enqueue_atomic_inv: PreservesInvariants enqueue_atomic_spec.
      Proof.
        preserves_invariants_simpl´.
        - eapply enqueue_atomic_low_level_inv; eassumption.
        - eapply enqueue_atomic_high_level_inv; eassumption.
        - eapply enqueue_atomic_kernel_mode; eassumption.
      Qed.


      Lemma dequeue_atomic_high_level_inv:
         d i n,
          dequeue_atomic_spec n d = Some (, i)
          high_level_invariant d
          high_level_invariant .
      Proof.
        intros. functional inversion H; subst; eauto.
        eapply release_lock_ABTCB_high_level_inv; eauto.
        eapply dequeue_high_level_inv; eauto.
        eapply acquire_lock_ABTCB_high_level_inv; eauto.
      Qed.

      Lemma dequeue_atomic_low_level_inv:
         d i n ,
          dequeue_atomic_spec n d = Some (, i)
          low_level_invariant d
          low_level_invariant .
      Proof.
        intros. functional inversion H; subst; eauto.
        eapply release_lock_ABTCB_low_level_inv; eauto.
        eapply dequeue_low_level_inv; eauto.
        eapply acquire_lock_ABTCB_low_level_inv; eauto.
      Qed.

      Lemma dequeue_atomic_kernel_mode:
         d n i,
          dequeue_atomic_spec n d = Some (, i)
          kernel_mode d
          kernel_mode .
      Proof.
        intros. functional inversion H; subst; eauto.
        unfold release_lock_ABTCB_spec in ×.
        subdestruct; inv H5; simpl; eauto.
      Qed.

      Global Instance dequeue_atomic_inv: PreservesInvariants dequeue_atomic_spec.
      Proof.
        preserves_invariants_simpl´.
        - eapply dequeue_atomic_low_level_inv; eassumption.
        - eapply dequeue_atomic_high_level_inv; eassumption.
        - eapply dequeue_atomic_kernel_mode; eassumption.
      Qed.


    End QUEUE_ATOMIC.

  End INV.

  Definition pabqueue_atomic_fresh : compatlayer (cdata RData) :=
    enqueue_atomic gensem enqueue_atomic_spec
                    dequeue_atomic gensem dequeue_atomic_spec
                   
                   .

Layer Definition

  Definition pabqueue_atomic_passthrough : compatlayer (cdata RData) :=
    fload gensem fload_spec
           fstore gensem fstore_spec
          
           page_copy gensem page_copy_spec
           page_copy_back gensem page_copy_back_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
           acquire_lock_TCB gensem acquire_lock_ABTCB_spec
           release_lock_TCB gensem release_lock_ABTCB_spec
          

           tdqueue_init gensem tdqueue_init0_spec
           enqueue gensem enqueue0_spec
           dequeue gensem dequeue0_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
           release_lock primcall_release_lock_compatsem release_lock release_lock_spec2
           acquire_lock primcall_acquire_lock_compatsem acquire_lock_spec2
          

           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 pabqueue_atomic : compatlayer (cdata RData) := pabqueue_atomic_fresh pabqueue_atomic_passthrough.

End WITHMEM.