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(* -*- mode: tuareg -*-
* Vericert: Verified high-level synthesis.
* Copyright (C) 2019-2020 Yann Herklotz <yann@yannherklotz.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*)
open Datatypes
open Camlcoq
open AST
open Clflags
open Printf
open Maps
open AST
open HTL
open PrintAST
open PrintVerilog
open VericertClflags
let pstr pp = fprintf pp "%s"
let concat = String.concat ""
let rec intersperse c = function
| [] -> []
| [x] -> [x]
| x :: xs -> x :: c :: intersperse c xs
let register a = sprintf "reg_%d" (P.to_int a)
let registers a = String.concat "" (intersperse ", " (List.map register a))
let print_instruction pp (pc, i) =
fprintf pp "%5d:\t%s" pc (pprint_stmnt 0 i)
let pprint_datapath_stmnt i = function
| HTLDataVstmnt s -> pprint_stmnt i s
| HTLfork (name, args) -> concat [
"fork "; extern_atom name; "("; concat (intersperse ", " (List.map register args)); ");\n"
]
| HTLjoin (name, dst) -> concat [
register dst; " <= join "; extern_atom name; ";\n"
]
let print_datapath_instruction pp (pc, i) =
fprintf pp "%5d:\t%s" pc (pprint_datapath_stmnt 0 i)
let pprint_control_stmnt i = function
| HTLCtrlVstmnt s -> pprint_stmnt i s
| HTLwait (name, statereg, expr) -> concat [
"wait("; extern_atom name; ", ";
register statereg; ", ";
pprint_expr expr; ");\n"
]
let print_control_instruction pp (pc, i) =
fprintf pp "%5d:\t%s" pc (pprint_control_stmnt 0 i)
let ptree_to_list ptree =
List.sort
(fun (pc1, _) (pc2, _) -> compare pc2 pc1)
(List.rev_map
(fun (pc, i) -> (P.to_int pc, i))
(PTree.elements ptree))
let print_module pp id f =
fprintf pp "%s(%s) {\n" (extern_atom id) (registers f.mod_params);
let datapath = ptree_to_list f.mod_datapath in
let controllogic = ptree_to_list f.mod_controllogic in
fprintf pp "datapath {\n";
List.iter (print_datapath_instruction pp) datapath;
fprintf pp " }\n\n controllogic {\n";
List.iter (print_control_instruction pp) controllogic;
fprintf pp " }\n}\n\n"
let print_globdef pp (id, gd) =
match gd with
| Gfun(Internal f) -> print_module pp id f
| _ -> ()
let print_program pp prog =
List.iter (print_globdef pp) prog.prog_defs
let destination : string option ref = ref None
let print_if prog =
match !destination with
| None -> ()
| Some f ->
let oc = open_out f in
print_program oc prog;
close_out oc
|
