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|
(**************************************************************************)
(* Sail *)
(* *)
(* Copyright (c) 2013-2017 *)
(* Kathyrn Gray *)
(* Shaked Flur *)
(* Stephen Kell *)
(* Gabriel Kerneis *)
(* Robert Norton-Wright *)
(* Christopher Pulte *)
(* Peter Sewell *)
(* Alasdair Armstrong *)
(* Brian Campbell *)
(* Thomas Bauereiss *)
(* Anthony Fox *)
(* Jon French *)
(* Dominic Mulligan *)
(* Stephen Kell *)
(* Mark Wassell *)
(* *)
(* All rights reserved. *)
(* *)
(* This software was developed by the University of Cambridge Computer *)
(* Laboratory as part of the Rigorous Engineering of Mainstream Systems *)
(* (REMS) project, funded by EPSRC grant EP/K008528/1. *)
(* *)
(* Redistribution and use in source and binary forms, with or without *)
(* modification, are permitted provided that the following conditions *)
(* are met: *)
(* 1. Redistributions of source code must retain the above copyright *)
(* notice, this list of conditions and the following disclaimer. *)
(* 2. Redistributions in binary form must reproduce the above copyright *)
(* notice, this list of conditions and the following disclaimer in *)
(* the documentation and/or other materials provided with the *)
(* distribution. *)
(* *)
(* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' *)
(* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *)
(* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *)
(* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR *)
(* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, *)
(* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *)
(* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF *)
(* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND *)
(* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, *)
(* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT *)
(* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF *)
(* SUCH DAMAGE. *)
(**************************************************************************)
open import Pervasives
open import Assert_extra
open Map
open import Sail2_values
type vl =
| V_vector of list vl
| V_list of list vl
| V_bits of list bitU
| V_bit of bitU
| V_tuple of list vl
| V_bool of bool
| V_nondet (* Special nondeterministic boolean *)
| V_unit
| V_int of integer
| V_string of string
| V_ctor of string * list vl
| V_ctor_kind of string
| V_record of list (string * vl)
| V_null (* Used for unitialized values and null pointers in C compilation *)
let string_of_value = function
| V_bits bs -> show_bitlist bs ^ "ul"
| V_int i -> show i ^ "l"
| V_bool true -> "true"
| V_bool false -> "false"
| V_null -> "NULL"
| V_unit -> "UNIT"
| V_bit B0 -> "0ul"
| V_bit B1 -> "1ul"
| V_string str -> "\"" ^ str ^ "\""
| _ -> failwith "Cannot convert value to string"
end
let primops extern args =
match (extern, args) with
| ("and_bool", [V_bool b1; V_bool b2]) -> V_bool (b1 && b2)
| ("and_bool", [V_nondet; V_bool false]) -> V_bool false
| ("and_bool", [V_bool false; V_nondet]) -> V_bool false
| ("and_bool", _) -> V_nondet
| ("or_bool", [V_bool b1; V_bool b2]) -> V_bool (b1 || b2)
| ("or_bool", [V_nondet; V_bool true]) -> V_bool true
| ("or_bool", [V_bool true; V_nondet]) -> V_bool true
| ("or_bool", _) -> V_nondet
| _ -> failwith ("Unimplemented primitive operation " ^ extern)
end
|
