include "joint/SemanticUtils.ma".
include "LIN/LIN.ma". (* CSC: syntax.ma in RTLabs *)

(*CSC: XXXX*)
axiom lin_succ_pc: unit → address → address.

(*CSC: re-organize to take succ_pc out of lin_more_sem_params to share the
  following definition between LTL and LIN *)
definition lin_more_sem_params: more_sem_params lin_params_ :=
 mk_more_sem_params lin_params_
  unit hw_register_env lin_succ_pc
   hwreg_store hwreg_retrieve (λ_.hwreg_store RegisterA) (λe.λ_.hwreg_retrieve e RegisterA)
    (λ_.hwreg_store RegisterB) (λe.λ_.hwreg_retrieve e RegisterB)
    (λ_.hwreg_store RegisterDPL) (λe.λ_.hwreg_retrieve e RegisterDPL)
    (λ_.hwreg_store RegisterDPH) (λe.λ_.hwreg_retrieve e RegisterDPH)
     (λlocals,dest_src.
       match dest_src with
       [ from_acc reg ⇒
          do v ← hwreg_retrieve locals RegisterA ;
          hwreg_store reg v locals
       | to_acc reg ⇒
          do v ← hwreg_retrieve locals reg ;
          hwreg_store RegisterA v locals ])
     pointer_of_label.
definition lin_sem_params: sem_params ≝ mk_sem_params … lin_more_sem_params.

definition lin_init_locals : unit → hw_register_env → hw_register_env ≝ λ_.λe.e.
definition lin_pop_frame: list beval → state … lin_sem_params → res (state … lin_sem_params) ≝ λ_.λst. OK … st.
definition lin_save_frame: unit → state … lin_sem_params → state … lin_sem_params ≝ λ_.λst.st.

definition lin_more_sem_params1 : more_sem_params1 … lin_params1 ≝
 mk_more_sem_params1 ? lin_params1 lin_more_sem_params
  lin_init_locals lin_pop_frame lin_save_frame.

(*CSC: XXXXXXXXXX *)
axiom lin_fetch_statement: ∀globals. genv … (lin_params globals) → state lin_sem_params → res (pre_lin_statement globals).

(*CSC: XXXXX, for is_final only *)
axiom lin_fetch_result: state lin_sem_params → res (list beval).

(*CSC: XXXX, for external functions only*)
axiom lin_fetch_external_args: external_function → state lin_sem_params → res (list val).
axiom lin_set_result: list val → state lin_sem_params → res (state lin_sem_params).

definition lin_exec_extended: ∀globals. genv globals (lin_params globals) → False → unit → state lin_sem_params → IO io_out io_in (trace × (state lin_sem_params))
 ≝ λglobals,ge,abs. ⊥.
@abs qed.

definition lin_more_sem_params2: ∀globals. more_sem_params2 … (lin_params globals) ≝
 λglobals.
  mk_more_sem_params2 … lin_more_sem_params1
   (lin_fetch_statement …) lin_fetch_result lin_fetch_external_args lin_set_result
    (lin_exec_extended …).

definition lin_fullexec ≝
 joint_fullexec … (λp. lin_more_sem_params2 (prog_var_names … p)).