Library mcertikos.devdrivers.DHandlerSw


This file defines the abstract data and the primitives for the ConsoleBufOp layer, which will introduce the primtives of console buffer
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 XOmega.

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

Require Import INVLemmaDriver.
Require Import INVLemmaInterrupt.

Require Import AbstractDataType.
Require Import FutureTactic.

Require Export DHandlerIntro.

Abstract Data and Primitives at this layer

Section WITHMEM.

  Local Open Scope Z_scope.

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

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

Proofs that the primitives satisfies the invariants at this layer

  Section INV.

    Global Instance serial_intr_handler_sw_inv: PreservesInvariants serial_intr_handler_sw_spec.
    Proof.
      constructor; simpl; intros; inv_generic_sem H.
      - inversion H0. repeat (iinv d); simpl in *; substx; functional inversion H7;
                        simpl in *; substx; try assumption; constructor; simpl; trivial.
      - inversion H0; repeat (iinv d); simpl in *; substx; functional inversion H7;
          simpl in *; substx; try assumption; constructor; simpl; intros; try congruence; eauto.
        + rewrite replace_replace. rewrite replace_preserves_Zlength; assumption.
        + assert (Hcase: n = 4%nat n 4%nat) by omega. destruct Hcase.
          {
            rewrite H20. change (Pos.to_nat 4) with 4%nat.
            generalize (valid_ioapic_state H n v H19). intros [Hv Hb].
            rewrite nth_error_replace_gss.
            {
              split.
              × rewrite H20 in Hv. assumption.
              × true. reflexivity.
            }
            destruct Hb as [b Hb].
            eapply nth_error_valid_length. rewrite H20 in Hb.
            rewrite nth_error_replace_gss. reflexivity. repeat toZ. omega.
          }
          {
            change (Pos.to_nat 4) with 4%nat.
            generalize (valid_ioapic_state H n v H19). intros [Hv Hb].
            rewrite nth_error_replace_gso.
            {
              split.
              × assumption.
              × rewrite nth_error_replace_gso. assumption. omega.
            }
            apply not_eq_sym. assumption.
          }
        + rewrite replace_replace. rewrite replace_preserves_Zlength; assumption.
        + assert (Hcase: n = 4%nat n 4%nat) by omega. destruct Hcase.
          {
            rewrite H20. change (Pos.to_nat 4) with 4%nat.
            generalize (valid_ioapic_state H n v H19). intros [Hv Hb].
            rewrite nth_error_replace_gss.
            {
              split.
              × rewrite H20 in Hv. assumption.
              × true. reflexivity.
            }
            destruct Hb as [b Hb].
            eapply nth_error_valid_length. rewrite H20 in Hb.
            rewrite nth_error_replace_gss. reflexivity. repeat toZ. omega.
          }
          {
            change (Pos.to_nat 4) with 4%nat.
            generalize (valid_ioapic_state H n v H19). intros [Hv Hb].
            rewrite nth_error_replace_gso.
            {
              split.
              × assumption.
              × rewrite nth_error_replace_gso. assumption. omega.
            }
            apply not_eq_sym. assumption.
          }
      - repeat (iinv d); simpl in *; substx; simpl;
          functional inversion H7; simpl in *; substx; simpl; try assumption.
    Qed.


  End INV.

Layer Definition

  Definition dhandlersw_fresh : compatlayer (cdata RData) :=
    serial_intr_handler_sw gensem serial_intr_handler_sw_spec.

  Definition dhandlersw_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
           set_pg gensem setPG_spec
           set_cr3 setCR3_compatsem setCR3_spec
           get_size gensem MMSize
           is_usable gensem is_mm_usable_spec
           get_mms gensem get_mm_s_spec
           get_mml gensem get_mm_l_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

           release_lock primcall_release_lock_compatsem release_lock release_lock_spec0
           acquire_lock primcall_acquire_lock_compatsem acquire_lock_spec0
           ticket_lock_init gensem ticket_lock_init0_spec
           serial_irq_check gensem serial_irq_check_spec
           iret gensem iret_spec
           cli gensem cli_spec
           sti gensem sti_spec
           serial_irq_current gensem serial_irq_current_spec
           ic_intr gensem ic_intr_spec
           save_context primcall_save_context_compatsem save_context_spec
           restore_context primcall_restore_context_compatsem restore_context_spec
           ioapic_mask gensem ioapic_mask_spec
           ioapic_unmask gensem ioapic_unmask_spec
           serial_putc gensem serial_putc_spec
           serial_hw_intr gensem serial_hw_intr_spec
serial device
           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
           accessors {| exec_load := (@exec_loadex _ _ _ _ _ Hmwd);
                           exec_store := (@exec_storeex _ _ _ _ _ Hmwd) |}.

  Definition dhandlersw : compatlayer (cdata RData) :=
    dhandlersw_fresh dhandlersw_passthrough.

End WITHMEM.