-- Interpreter back-end
-- Copyright (C) 2014 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 GHDL; see the file COPYING. If not, write to the Free
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-- 02111-1307, USA.
with Ada.Text_IO;
with Sem;
with Canon;
with Annotations;
with Disp_Tree;
with Errorout; use Errorout;
with Flags;
with Disp_Vhdl;
with Post_Sems;
package body Sim_Be is
procedure Finish_Compilation (Unit: Iir_Design_Unit; Main: Boolean := False)
is
use Ada.Text_IO;
Lib_Unit : Iir;
begin
Lib_Unit := Get_Library_Unit (Unit);
-- Semantic analysis.
if Flags.Verbose then
Put_Line ("semantize " & Disp_Node (Lib_Unit));
end if;
Sem.Semantic (Unit);
if (Main or Flags.Dump_All) and then Flags.Dump_Sem then
Disp_Tree.Disp_Tree (Unit);
end if;
if Errorout.Nbr_Errors > 0 then
raise Compilation_Error;
end if;
if (Main or Flags.List_All) and then Flags.List_Sem then
Disp_Vhdl.Disp_Vhdl (Unit);
end if;
-- Post checks
----------------
Post_Sems.Post_Sem_Checks (Unit);
if Errorout.Nbr_Errors > 0 then
raise Compilation_Error;
end if;
-- Canonicalisation.
------------------
if Flags.Verbose then
Put_Line ("canonicalize " & Disp_Node (Lib_Unit));
end if;
Canon.Canonicalize (Unit);
if Errorout.Nbr_Errors > 0 then
raise Compilation_Error;
end if;
if (Main or Flags.List_All) and then Flags.List_Canon then
Disp_Vhdl.Disp_Vhdl (Unit);
end if;
if Flags.Flag_Elaborate then
if Get_Kind (Lib_Unit) = Iir_Kind_Architecture_Body then
declare
Config : Iir_Design_Unit;
begin
Config := Canon.Create_Default_Configuration_Declaration
(Lib_Unit);
Set_Default_Configuration_Declaration (Lib_Unit, Config);
if (Main or Flags.Dump_All) and then Flags.Dump_Canon then
Disp_Tree.Disp_Tree (Config);
end if;
if (Main or Flags.List_All) and then Flags.List_Canon then
Disp_Vhdl.Disp_Vhdl (Config);
end if;
end;
end if;
end if;
-- Annotation.
-------------
if Flags.Verbose then
Put_Line ("annotate " & Disp_Node (Lib_Unit));
end if;
Annotations.Annotate (Unit);
if Errorout.Nbr_Errors > 0 then
raise Compilation_Error;
end if;
if (Main or Flags.List_All) and then Flags.List_Annotate then
Disp_Vhdl.Disp_Vhdl (Unit);
end if;
if (Main or Flags.Dump_All) and then Flags.Dump_Annotate then
Disp_Tree.Disp_Tree (Unit);
end if;
end Finish_Compilation;
end Sim_Be;
0
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
from collections import namedtuple
"""
write: set to True to enable writing this parameter to FASM
numeric: set to True to write this parameter as a bit array (width>1) or
single bit (width==1) named after the parameter. Otherwise this
parameter will be written as `name.value`
width: width of numeric parameter (ignored for non-numeric parameters)
alias: an alternative name for this parameter (parameter name used if alias
is None)
"""
ParameterConfig = namedtuple('ParameterConfig', 'write numeric width alias')
# FIXME use defaults= once Python 3.7 is standard
ParameterConfig.__new__.__defaults__ = (False, True, 1, None)
"""
Write a design as FASM
ctx: nextpnr context
paramCfg: map from (celltype, parametername) -> ParameterConfig describing how to write parameters
f: output file
"""
def write_fasm(ctx, paramCfg, f):
for nname, net in sorted(ctx.nets, key=lambda x: str(x[1].name)):
print("# Net %s" % nname, file=f)
for wire, pip in sorted(net.wires, key=lambda x: str(x[1])):
if pip.pip != "":
print("%s" % pip.pip, file=f)
print("", file=f)
for cname, cell in sorted(ctx.cells, key=lambda x: str(x[1].name)):
print("# Cell %s at %s" % (cname, cell.bel), file=f)
for param, val in sorted(cell.params, key=lambda x: str(x)):
cfg = paramCfg[(cell.type, param)]
if not cfg.write:
continue
fasm_name = cfg.alias if cfg.alias is not None else param
if cfg.numeric:
if cfg.width == 1:
if int(val) != 0:
print("%s.%s" % (cell.bel, fasm_name), file=f)
else:
# Parameters with width >32 are direct binary, otherwise denary
print("%s.%s[%d:0] = %d'b%s" % (cell.bel, fasm_name, cfg.width-1, cfg.width, val), file=f)
else:
print("%s.%s.%s" % (cell.bel, fasm_name, val), file=f)
print("", file=f)
|