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(****************************************************************************)
(* the diy toolsuite *)
(* *)
(* Jade Alglave, University College London, UK. *)
(* Luc Maranget, INRIA Paris-Rocquencourt, France. *)
(* *)
(* Copyright 2021-present Institut National de Recherche en Informatique et *)
(* en Automatique and the authors. All rights reserved. *)
(* *)
(* This software is governed by the CeCILL-B license under French law and *)
(* abiding by the rules of distribution of free software. You can use, *)
(* modify and/ or redistribute the software under the terms of the CeCILL-B *)
(* license as circulated by CEA, CNRS and INRIA at the following URL *)
(* "http://www.cecill.info". We also give a copy in LICENSE.txt. *)
(************************************** UC**************************************)
(* Memory types of global variables *)
module type S = sig
type t
val default : t
val pp : t -> string (* Pretty print *)
val emit : t -> string (* Emit in code *)
val fold : (t -> 'a -> 'a) -> 'a -> 'a
val equal : t -> t -> bool
val parse : MiscParser.info -> t Misc.Simple.bds
(* Cache flush neeed after initialisation *)
val need_flush : t Misc.Simple.bds -> bool
end
module X86_64 = struct
type t = UC | WC | WT | WP | WB
let default = WB
let pp = function
| UC -> "UC"
| WC -> "WC"
| WT -> "WT"
| WP -> "WP"
| WB -> "WB"
let emit m = Printf.sprintf "PAT_%s" (pp m)
let fold f k =
let k = f UC k in
let k = f WC k in
let k = f WT k in
let k = f WB k in
k
let equal (m1:t) (m2:t) = m1=m2
let _ = WP (* Silence warning 37 *)
let parse_t = function
| "UC" -> UC
| "WC" -> WC
| "WT" -> WT
| "WB" -> WB
| "WP" as s ->
Warn.fatal "%s memory type is not implemented" s
| s ->
Warn.fatal "'%s' is not a X86_64 memory type" s
let parse infos =
let open MiscParser in
let info =
match get_info_on_info mt_key infos with
| None -> get_info_on_info memory_type_key infos
| Some _ as r -> r in
let ps =
match info with
| None -> []
| Some i ->
begin
try LexScan.infos i
with LexScan.Error ->
Warn.fatal
"'%s' is not a proper specificaton of X86_64 memory types"
i
end in
List.fold_right
(fun (key,tok) k ->
match parse_t tok with
| WB -> k
| m -> (key,m)::k)
ps []
let need_flush =
List.exists (fun (_,m) -> match m with WC -> true | _ -> false)
end
module No = struct
type t = unit
let default = ()
let pp () = "OneMemtype"
let emit = pp
let fold _f k = k
let equal () () = true
let parse _ = []
let need_flush _ = false
end
|
