source: src/LIN/joint_LTL_LIN_semantics.ma @ 2783

Last change on this file since 2783 was 2783, checked in by piccolo, 7 years ago

modified joint_closed_internal_function definition (added condition on pseudo-registers)
added new record for parameters
modified state definition with option for framesT

File size: 3.4 KB
Line 
1include "LIN/joint_LTL_LIN.ma".
2include "joint/semanticsUtils.ma".
3
4definition hw_reg_store ≝ λr,v,e. OK … (hwreg_store r v e).
5definition hw_reg_retrieve ≝ λl,r. OK … (hwreg_retrieve l r).
6definition hw_arg_retrieve ≝
7  λl,a.match a with
8  [ Reg r ⇒ hw_reg_retrieve l r
9  | Imm b ⇒ OK … (BVByte b)
10  ].
11
12definition eval_registers_move ≝ λe,m.
13match m with
14[ from_acc r _ ⇒
15  hw_reg_store r (hwreg_retrieve e RegisterA) e
16| to_acc _ r ⇒
17  hw_reg_store RegisterA (hwreg_retrieve e r) e
18| int_to_reg r v ⇒
19  hw_reg_store r (BVByte v) e
20| int_to_acc _ v ⇒
21  hw_reg_store RegisterA (BVByte v) e
22].
23
24definition LTL_LIN_state : sem_state_params ≝
25  mk_sem_state_params
26 (* framesT ≝ *) unit
27 (* empty_framesT ≝ *) it
28 (* regsT ≝ *) hw_register_env
29 (* empty_regsT ≝ *) init_hw_register_env
30 (* load_sp ≝ *) hwreg_retrieve_sp
31 (* store_sp ≝ *) hwreg_store_sp.
32
33(*CSC: XXXX, for external functions only*)
34axiom ltl_lin_fetch_external_args: external_function → state LTL_LIN_state → res (list val).
35axiom ltl_lin_set_result: list val → unit → state LTL_LIN_state → res (state LTL_LIN_state).
36
37(* TODO (needs another bit to be added to hdw) *)
38axiom eval_ltl_lin_seq : ltl_lin_seq → state LTL_LIN_state → IO io_out io_in (state LTL_LIN_state).
39
40definition LTL_LIN_save_frame :
41call_kind → unit → state_pc LTL_LIN_state → res(state LTL_LIN_state) ≝
42λk.λ_.λst. match k with
43[ PTR ⇒ return (st_no_pc … st)
44| ID ⇒ push_ra … st (pc … st)
45].
46
47definition LTL_LIN_semantics ≝
48  λF.mk_sem_unserialized_params LTL_LIN F
49  (* st_pars            ≝ *) LTL_LIN_state
50  (* acca_store_        ≝ *) (λ_.hw_reg_store RegisterA)
51  (* acca_retrieve_     ≝ *) (λe.λ_.hw_reg_retrieve e RegisterA)
52  (* acca_arg_retrieve_ ≝ *) (λe.λ_.hw_reg_retrieve e RegisterA)
53  (* accb_store_        ≝ *) (λ_.hw_reg_store RegisterB)
54  (* accb_retrieve_     ≝ *) (λe.λ_.hw_reg_retrieve e RegisterB)
55  (* accb_arg_retrieve_ ≝ *) (λe.λ_.hw_reg_retrieve e RegisterB)
56  (* dpl_store_         ≝ *) (λ_.hw_reg_store RegisterDPL)
57  (* dpl_retrieve_      ≝ *) (λe.λ_.hw_reg_retrieve e RegisterDPL)
58  (* dpl_arg_retrieve_  ≝ *) (λe.λ_.hw_reg_retrieve e RegisterDPL)
59  (* dph_store_         ≝ *) (λ_.hw_reg_store RegisterDPH)
60  (* dph_retrieve_      ≝ *) (λe.λ_.hw_reg_retrieve e RegisterDPH)
61  (* dph_arg_retrieve_  ≝ *) (λe.λ_.hw_reg_retrieve e RegisterDPH)
62  (* snd_arg_retrieve_  ≝ *) hw_arg_retrieve
63  (* pair_reg_move_     ≝ *) eval_registers_move
64(*  (* fetch_ra           ≝ *) (load_ra …)
65  (* allocate_local     ≝ *) (λabs.match abs in void with [ ])
66*)  (* save_frame         ≝ *) LTL_LIN_save_frame
67  (* setup_call         ≝ *) (λ_.λ_.λ_.λst.return st)
68  (* fetch_external_args≝ *) ?(*ltl_lin_fetch_external_args*)
69  (* set_result         ≝ *) ltl_lin_set_result
70  (* call_args_for_main ≝ *) 0
71  (* call_dest_for_main ≝ *) it
72  (* read_result        ≝ *) (λ_.λ_.λ_.
73  λst.return map … (hwreg_retrieve (regs … st)) RegisterRets)
74  (* eval_ext_seq       ≝ *) ?(*(λ_.λ_.λs.λ_.eval_ltl_lin_seq s)*)
75(*  (* eval_ext_tailcall  ≝ *) ?(*(λ_.λ_.λabs.match abs in void with [ ])*)
76  (* eval_ext_call      ≝ *) (λ_.λ_.λabs.match abs in void with [ ])
77*)  (* pop_frame          ≝ *) ((λ_.λ_.λ_.λ_.λst.pop_ra … st))
78(*  (* post_op2           ≝ *) (λ_.λ_.λ_.λ_.λ_.λ_.λst.st)*).
79cases daemon
80qed.
Note: See TracBrowser for help on using the repository browser.