Library mcertikos.devdrivers.DConsoleBuffIntro

***********************************************************************
*                                                                     *
*            The CertiKOS Certified Kit Operating System              *
*                                                                     *
*                   The FLINT Group, Yale University                  *
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*  Copyright The FLINT Group, Yale University.  All rights reserved.  *
*  This file is distributed under the terms of the Yale University    *
*  Non-Commercial License Agreement.                                  *
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This file defines the abstract data and the primitives for the PIPC layer, which will introduce the primtives of thread
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 LoadStoreSem1.
Require Import XOmega.

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

Require Export MBoot.
Require Export ObjConsole.
Require Import AbstractDataType.
Require Import DeviceStateDataType.

Abstract Data and Primitives at this layer

Section WITHMEM.

  Local Open Scope Z_scope.

  Context `{real_params: RealParams}.


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

Proofs that the primitives satisfies the invariants at this layer

  Section INV.

    Global Instance cons_buf_init_concrete_spec_inv:
      PreservesInvariants cons_buf_init_concrete_spec.
    Proof.
      preserves_invariants_simpl low_level_invariant high_level_invariant; eauto.
    Qed.

    Global Instance cons_buf_write_concrete_spec_inv:
      PreservesInvariants cons_buf_write_concrete_spec.
    Proof.
      preserves_invariants_simpl low_level_invariant high_level_invariant; eauto.
    Qed.

    Global Instance cons_buf_read_concrete_spec_inv:
      PreservesInvariants cons_buf_read_concrete_spec.
    Proof.
      preserves_invariants_simpl low_level_invariant high_level_invariant; eauto;
      inversion H0;
      try functional inversion H2; unfold rpos, wpos, s in *; subst;
      constructor;
      eauto 2.
    Qed.

    Global Instance cons_buf_wpos_concrete_spec_inv:
      PreservesInvariants cons_buf_wpos_concrete_spec.
    Proof.
      preserves_invariants_simpl low_level_invariant high_level_invariant; eauto.
    Qed.

  End INV.

  Definition exec_loadex {F V} := exec_loadex1 (F := F) (V := V).

  Definition exec_storeex {F V} := exec_storeex1 (flatmem_store:= flatmem_store´) (F := F) (V := V).

  Global Instance flatmem_store_inv: FlatmemStoreInvariant (flatmem_store:= flatmem_store´).
  Proof.
    split; inversion 1; intros.
    - functional inversion H0; constructor; auto.
    - functional inversion H1; constructor; auto.
  Qed.

  Global Instance trapinfo_set_inv: TrapinfoSetInvariant.
  Proof.
    split; inversion 1; intros; constructor; auto.
  Qed.

Layer Definition

  Definition dconsolebuffintro_fresh : compatlayer (cdata RData) :=
    cons_buf_init ↦ gensem cons_buf_init_concrete_spec
                  ⊕ cons_buf_write ↦ gensem cons_buf_write_concrete_spec
                  ⊕ cons_buf_read ↦ gensem cons_buf_read_concrete_spec
                  ⊕ cons_buf_wpos ↦ gensem cons_buf_wpos_concrete_spec.

  Definition dconsolebuffintro_passthrough : compatlayer (cdata RData) :=
      fload ↦ gensem fload´_spec
                ⊕ fstore ↦ gensem fstore´_spec
                ⊕ flatmem_copy ↦ gensem flatmem_copy´_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
                ⊕ boot_loader ↦ gensem bootloader0_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
                ⊕ local_irq_save ↦ gensem local_irq_save_spec
                ⊕ local_irq_restore ↦ gensem local_irq_restore_spec
                ⊕ serial_in ↦ gensem serial_in_spec
serial device
                ⊕ serial_out ↦ gensem serial_out_spec
serial device
                ⊕ serial_hw_intr ↦ gensem serial_hw_intr_spec
serial device
                ⊕ ioapic_read ↦ gensem ioapic_read_spec
ioapic device
                ⊕ ioapic_write ↦ gensem ioapic_write_spec
ioapic device
                ⊕ lapic_read ↦ gensem lapic_read_spec
lapic device
                ⊕ lapic_write ↦ gensem lapic_write_spec
lapic device
                ⊕ 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; exec_store := @exec_storeex |}.

  Definition dconsolebuffintro : compatlayer (cdata RData) := dconsolebuffintro_fresh ⊕ dconsolebuffintro_passthrough.

End WITHMEM.