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-- GHDL driver for synthesis
-- Copyright (C) 2016 Tristan Gingold
--
-- GHDL 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 2, or (at your option) any later
-- version.
--
-- GHDL 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 GCC; see the file COPYING. If not, write to the Free
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-- 02111-1307, USA.
with Types; use Types;
with Ghdllocal; use Ghdllocal;
with Ghdlcomp; use Ghdlcomp;
with Ghdlmain; use Ghdlmain;
with Options; use Options;
with Errorout;
with Libraries;
with Flags;
with Vhdl.Nodes; use Vhdl.Nodes;
with Vhdl.Errors;
with Vhdl.Std_Package;
with Vhdl.Canon;
with Vhdl.Configuration;
with Vhdl.Annotations;
with Synthesis;
with Netlists; use Netlists;
with Netlists.Dump;
with Netlists.Disp_Vhdl;
package body Ghdlsynth is
type Out_Format is (Format_Raw, Format_Vhdl);
-- Command --synth
type Command_Synth is new Command_Lib with record
Disp_Inline : Boolean := True;
Oformat : Out_Format := Format_Vhdl;
end record;
function Decode_Command (Cmd : Command_Synth; Name : String)
return Boolean;
function Get_Short_Help (Cmd : Command_Synth) return String;
procedure Decode_Option (Cmd : in out Command_Synth;
Option : String;
Arg : String;
Res : out Option_State);
procedure Perform_Action (Cmd : Command_Synth;
Args : Argument_List);
function Decode_Command (Cmd : Command_Synth; Name : String)
return Boolean
is
pragma Unreferenced (Cmd);
begin
return Name = "--synth";
end Decode_Command;
function Get_Short_Help (Cmd : Command_Synth) return String
is
pragma Unreferenced (Cmd);
begin
return "--synth [FILES... -e] UNIT [ARCH] Synthesis from UNIT";
end Get_Short_Help;
procedure Decode_Option (Cmd : in out Command_Synth;
Option : String;
Arg : String;
Res : out Option_State) is
begin
if Option = "--disp-noinline" then
Cmd.Disp_Inline := False;
Res := Option_Ok;
elsif Option = "--out=raw" then
Cmd.Oformat := Format_Raw;
Res := Option_Ok;
elsif Option = "--out=vhdl" then
Cmd.Oformat := Format_Vhdl;
Res := Option_Ok;
else
Decode_Option (Command_Lib (Cmd), Option, Arg, Res);
end if;
end Decode_Option;
function Ghdl_Synth (Args : Argument_List) return Module
is
use Vhdl.Errors;
use Vhdl.Configuration;
use Errorout;
E_Opt : Integer;
Opt_Arg : Natural;
Config : Iir;
begin
-- If the '-e' switch is present, there is a list of files.
E_Opt := Args'First - 1;
for I in Args'Range loop
if Args (I).all = "-e" then
E_Opt := I;
exit;
end if;
end loop;
Vhdl.Annotations.Flag_Synthesis := True;
Common_Compile_Init (False);
-- Will elaborate.
Flags.Flag_Elaborate := True;
Flags.Flag_Elaborate_With_Outdated := E_Opt >= Args'First;
Flags.Flag_Only_Elab_Warnings := True;
Libraries.Load_Work_Library (E_Opt >= Args'First);
-- Do not canon concurrent statements.
Vhdl.Canon.Canon_Flag_Concurrent_Stmts := False;
-- Analyze files (if any)
for I in Args'First .. E_Opt - 1 loop
Ghdlcomp.Compile_Analyze_File (Args (I).all);
end loop;
-- Elaborate
if E_Opt = Args'Last then
-- No unit.
declare
Top : Node;
begin
Top := Vhdl.Configuration.Find_Top_Entity (Libraries.Work_Library);
if Top = Null_Node then
Ghdlmain.Error ("no top unit found");
return No_Module;
end if;
Errorout.Report_Msg (Msgid_Note, Option, No_Source_Coord,
"top entity is %i", (1 => +Top));
Config := Vhdl.Configuration.Configure
(Get_Identifier (Top), Null_Identifier);
end;
else
Common_Compile_Elab
("--synth", Args (E_Opt + 1 .. Args'Last), Opt_Arg, Config);
end if;
if Opt_Arg <= Args'Last then
Ghdlmain.Error ("extra options ignored");
end if;
-- Annotate all units.
Vhdl.Annotations.Annotate (Vhdl.Std_Package.Std_Standard_Unit);
for I in Design_Units.First .. Design_Units.Last loop
Vhdl.Annotations.Annotate (Design_Units.Table (I));
end loop;
return Synthesis.Synth_Design (Config);
end Ghdl_Synth;
procedure Perform_Action (Cmd : Command_Synth;
Args : Argument_List)
is
Res : Module;
begin
Res := Ghdl_Synth (Args);
if Res = No_Module then
raise Errorout.Compilation_Error;
end if;
case Cmd.Oformat is
when Format_Raw =>
Netlists.Dump.Flag_Disp_Inline := Cmd.Disp_Inline;
Netlists.Dump.Disp_Module (Res);
when Format_Vhdl =>
Netlists.Disp_Vhdl.Disp_Vhdl (Res);
end case;
end Perform_Action;
procedure Register_Commands is
begin
Ghdlmain.Register_Command (new Command_Synth);
end Register_Commands;
end Ghdlsynth;
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