1
2
3
4
5
6
7
8
9
10
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
|
-- GHDL driver - Simulation commands.
-- Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
--
-- 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 2 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 <gnu.org/licenses>.
with System;
with Ada.Unchecked_Conversion;
with Ada.Command_Line;
with GNAT.OS_Lib; use GNAT.OS_Lib;
with Interfaces;
with Interfaces.C;
with Ghdllocal; use Ghdllocal;
with Flags;
with Errorout;
with Simple_IO;
with Options;
with Vhdl.Nodes; use Vhdl.Nodes;
with Vhdl.Std_Package;
with Vhdl.Sem;
with Vhdl.Canon;
with Vhdl.Configuration;
with Vhdl.Utils;
with Grt.Options;
with Grt.Types;
with Grt.Errors;
with Ghdlcomp; use Ghdlcomp;
with Grtlink;
-- For Elaborate.
with Elab.Vhdl_Context;
with Elab.Vhdl_Debug;
with Elab.Vhdl_Insts;
with Elab.Debugger;
with Synth.Flags;
with Synth.Errors;
with Simul.Vhdl_Elab;
with Simul.Vhdl_Simul;
package body Ghdlsimul is
procedure Compile_Init (Analyze_Only : Boolean) is
begin
Common_Compile_Init (Analyze_Only);
if Analyze_Only then
return;
end if;
-- FIXME: add a flag to force unnesting.
-- Translation.Flag_Unnest_Subprograms := True;
-- The design is always analyzed in whole.
Flags.Flag_Whole_Analyze := True;
Vhdl.Canon.Canon_Flag_Add_Labels := True;
Vhdl.Canon.Canon_Flag_Add_Suspend_State := True;
-- Do not canon concurrent statements.
Vhdl.Canon.Canon_Flag_Concurrent_Stmts := False;
end Compile_Init;
procedure Compile_Elab
(Cmd_Name : String; Args : Argument_List; Opt_Arg : out Natural)
is
use Elab.Vhdl_Context;
Config : Node;
Lib_Unit : Node;
Inst : Synth_Instance_Acc;
Top : Node;
begin
Common_Compile_Elab (Cmd_Name, Args, True, Opt_Arg, Config);
-- For compatibility, also handle '-gGEN=VAL' options after the
-- top-level unit.
-- Handle --expect-failure
for I in Opt_Arg .. Args'Last loop
declare
Arg : String renames Args (I).all;
Res : Options.Option_State;
pragma Unreferenced (Res);
begin
if Arg'Length > 3
and then Arg (Arg'First + 1) = 'g'
and then Is_Generic_Override_Option (Arg)
then
Res := Decode_Generic_Override_Option (Arg);
elsif Arg = "--expect-failure" then
Flag_Expect_Failure := True;
end if;
end;
end loop;
-- If all design units are loaded, late semantic checks can be
-- performed.
declare
use Vhdl.Configuration;
Unit : Node;
begin
if Flag_Load_All_Design_Units then
for I in Design_Units.First .. Design_Units.Last loop
Unit := Design_Units.Table (I);
Vhdl.Sem.Sem_Analysis_Checks_List (Unit, False);
-- There cannot be remaining checks to do.
pragma Assert
(Get_Analysis_Checks_List (Unit) = Null_Iir_List);
end loop;
end if;
end;
Synth.Flags.Flag_Simulation := True;
Synth.Errors.Debug_Handler := Elab.Debugger.Debug_Error'Access;
Lib_Unit := Get_Library_Unit (Config);
pragma Assert (Get_Kind (Lib_Unit) /= Iir_Kind_Foreign_Module);
-- Generic overriding.
Top := Vhdl.Utils.Get_Entity_From_Configuration (Config);
Vhdl.Configuration.Apply_Generic_Override (Top);
Vhdl.Configuration.Check_Entity_Declaration_Top (Top, False);
if Errorout.Nbr_Errors > 0 then
raise Errorout.Compilation_Error;
end if;
-- The elaboration.
Inst := Elab.Vhdl_Insts.Elab_Top_Unit (Lib_Unit);
if Errorout.Nbr_Errors > 0 then
raise Errorout.Compilation_Error;
end if;
Simul.Vhdl_Elab.Gather_Processes (Inst);
Simul.Vhdl_Elab.Elab_Processes;
Simul.Vhdl_Elab.Compute_Sources;
if Errorout.Nbr_Errors > 0 then
raise Errorout.Compilation_Error;
end if;
if False then
Elab.Vhdl_Debug.Disp_Hierarchy (Inst, False, True);
end if;
end Compile_Elab;
-- Set options.
-- This is a little bit over-kill: from C to Ada and then again to C...
procedure Set_Run_Options (Args : Argument_List)
is
use Interfaces.C;
use Grt.Options;
use Grt.Types;
function Malloc (Size : size_t) return Argv_Type;
pragma Import (C, Malloc);
function Strdup (Str : String) return Ghdl_C_String;
pragma Import (C, Strdup);
-- is
-- T : Grt.Types.String_Access;
-- begin
-- T := new String'(Str & Ghdllocal.Nul);
-- return To_Ghdl_C_String (T.all'Address);
-- end Strdup;
begin
Argc := 1 + Args'Length;
Argv := Malloc
(size_t (Argc * (Ghdl_C_String'Size / System.Storage_Unit)));
Argv (0) := Strdup (Ada.Command_Line.Command_Name & Ghdllocal.Nul);
Progname := Argv (0);
for I in Args'Range loop
Argv (1 + I - Args'First) := Strdup (Args (I).all & Ghdllocal.Nul);
end loop;
end Set_Run_Options;
procedure Run
is
use Ada.Command_Line;
begin
if Grt.Options.Flag_No_Run then
-- Some options like --has-feature set the exit status.
Set_Exit_Status (Exit_Status (Grt.Errors.Exit_Status));
return;
end if;
if Time_Resolution = 'a' then
Time_Resolution := Vhdl.Std_Package.Get_Minimal_Time_Resolution;
if Time_Resolution = '?' then
Time_Resolution := 'f';
end if;
end if;
Vhdl.Std_Package.Set_Time_Resolution (Time_Resolution);
-- Overwrite time resolution in flag string.
Flags.Flag_String (5) := Time_Resolution;
Grtlink.Flag_String := Flags.Flag_String;
Synth.Flags.Severity_Level := Grt.Options.Severity_Level;
Simul.Vhdl_Simul.Simulation;
Set_Exit_Status (Exit_Status (Grt.Errors.Exit_Status));
end Run;
function Decode_Option (Option : String) return Boolean
is
Res : Options.Option_State;
pragma Unreferenced (Res);
begin
if Option = "--debug" or Option = "-g" then
Elab.Debugger.Flag_Debug_Enable := True;
elsif Option = "-t" then
Synth.Flags.Flag_Trace_Statements := True;
elsif Option = "-i" then
Simul.Vhdl_Simul.Flag_Interractive := True;
elsif Option = "-ge" then
Simul.Vhdl_Simul.Flag_Debug_Elab := True;
elsif Option'Last > 3
and then Option (Option'First + 1) = 'g'
and then Is_Generic_Override_Option (Option)
then
Res := Decode_Generic_Override_Option (Option);
else
return False;
end if;
return True;
end Decode_Option;
procedure Disp_Help is
begin
Simple_IO.Put_Line (" --debug Run with debugger");
end Disp_Help;
procedure Register_Commands
is
begin
Ghdlcomp.Hooks := (Compile_Init'Access,
Compile_Elab'Access,
Set_Run_Options'Access,
Run'Access,
Decode_Option'Access,
Disp_Help'Access);
Ghdlcomp.Register_Commands;
end Register_Commands;
end Ghdlsimul;
|