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
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
|
-- GHDL Run Time (GRT) - misc subprograms.
-- Copyright (C) 2002 - 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 GCC; see the file COPYING. If not, write to the Free
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-- 02111-1307, USA.
--
-- As a special exception, if other files instantiate generics from this
-- unit, or you link this unit with other files to produce an executable,
-- this unit does not by itself cause the resulting executable to be
-- covered by the GNU General Public License. This exception does not
-- however invalidate any other reasons why the executable file might be
-- covered by the GNU Public License.
with Grt.Errors; use Grt.Errors;
with Grt.Options;
with Grt.Fcvt;
package body Grt.Lib is
--procedure Memcpy (Dst : Address; Src : Address; Size : Size_T);
--pragma Import (C, Memcpy);
procedure Ghdl_Memcpy
(Dest : Ghdl_Ptr; Src : Ghdl_Ptr; Size : Ghdl_Index_Type)
is
procedure Memmove
(Dest : Ghdl_Ptr; Src : Ghdl_Ptr; Size : Ghdl_Index_Type);
pragma Import (C, Memmove);
begin
Memmove (Dest, Src, Size);
end Ghdl_Memcpy;
procedure Do_Report (Msg : String;
Str : Std_String_Ptr;
Default_Str : String;
Severity : Integer;
Loc : Ghdl_Location_Ptr)
is
Level : constant Integer := Severity mod 256;
Bt : Backtrace_Addrs;
begin
Report_H;
Report_C (Loc.Filename);
Report_C (":");
Report_C (Loc.Line);
Report_C (":");
Report_C (Loc.Col);
Report_C (":@");
Report_Now_C;
Report_C (":(");
Report_C (Msg);
Report_C (" ");
case Level is
when Note_Severity =>
Report_C ("note");
when Warning_Severity =>
Report_C ("warning");
when Error_Severity =>
Report_C ("error");
when Failure_Severity =>
Report_C ("failure");
when others =>
Report_C ("???");
end case;
Report_C ("): ");
if Str /= null then
Report_E (Str);
else
Report_E (Default_Str);
end if;
if Level >= Grt.Options.Severity_Level then
Save_Backtrace (Bt, 2);
Error_C (Msg);
Error_C (" failed");
Error_E_Call_Stack (Bt);
end if;
end Do_Report;
procedure Ghdl_Assert_Failed
(Str : Std_String_Ptr; Severity : Integer; Loc : Ghdl_Location_Ptr)
is
begin
Do_Report ("assertion", Str, "Assertion violation", Severity, Loc);
end Ghdl_Assert_Failed;
procedure Ghdl_Ieee_Assert_Failed
(Str : Std_String_Ptr; Severity : Integer; Loc : Ghdl_Location_Ptr)
is
use Grt.Options;
begin
if Ieee_Asserts = Disable_Asserts
or else (Ieee_Asserts = Disable_Asserts_At_Time_0 and Current_Time = 0)
then
return;
else
Do_Report ("assertion", Str, "Assertion violation", Severity, Loc);
end if;
end Ghdl_Ieee_Assert_Failed;
procedure Ghdl_Psl_Assert_Failed
(Str : Std_String_Ptr; Severity : Integer; Loc : Ghdl_Location_Ptr) is
begin
Do_Report ("psl assertion", Str, "Assertion violation", Severity, Loc);
end Ghdl_Psl_Assert_Failed;
procedure Ghdl_Psl_Cover
(Str : Std_String_Ptr; Severity : Integer; Loc : Ghdl_Location_Ptr) is
begin
Do_Report ("psl cover", Str, "sequence covered", Severity, Loc);
end Ghdl_Psl_Cover;
procedure Ghdl_Psl_Cover_Failed
(Str : Std_String_Ptr; Severity : Integer; Loc : Ghdl_Location_Ptr) is
begin
Do_Report ("psl cover failure",
Str, "sequence not covered", Severity, Loc);
end Ghdl_Psl_Cover_Failed;
procedure Ghdl_Report
(Str : Std_String_Ptr;
Severity : Integer;
Loc : Ghdl_Location_Ptr)
is
begin
Do_Report ("report", Str, "Assertion violation", Severity, Loc);
end Ghdl_Report;
procedure Ghdl_Program_Error (Filename : Ghdl_C_String;
Line : Ghdl_I32;
Code : Ghdl_Index_Type)
is
begin
case Code is
when 1 =>
Error_C ("missing return in function");
when 2 =>
Error_C ("block already configured");
when 3 =>
Error_C ("bad configuration");
when others =>
Error_C ("unknown error code ");
Error_C (Integer (Code));
end case;
Error_C (" at ");
if Filename = null then
Error_C ("*unknown*");
else
Error_C (Filename);
end if;
Error_C (":");
Error_C (Integer(Line));
Error_E ("");
end Ghdl_Program_Error;
procedure Ghdl_Bound_Check_Failed_L1 (Filename : Ghdl_C_String;
Line: Ghdl_I32)
is
Bt : Backtrace_Addrs;
begin
Save_Backtrace (Bt, 1);
Error_C ("bound check failure at ");
Error_C (Filename);
Error_C (":");
Error_C (Integer (Line));
Error_E_Call_Stack (Bt);
end Ghdl_Bound_Check_Failed_L1;
function Ghdl_Integer_Exp (V : Ghdl_I32; E : Ghdl_I32)
return Ghdl_I32
is
pragma Suppress (Overflow_Check);
R : Ghdl_I32;
Res : Ghdl_I32;
P : Ghdl_I32;
T : Ghdl_I64;
begin
if E < 0 then
Error ("negative exponent");
end if;
Res := 1;
P := V;
R := E;
loop
if R mod 2 = 1 then
T := Ghdl_I64 (Res) * Ghdl_I64 (P);
Res := Ghdl_I32 (T);
if Ghdl_I64 (Res) /= T then
Error ("overflow in exponentiation");
end if;
end if;
R := R / 2;
exit when R = 0;
P := P * P;
end loop;
return Res;
end Ghdl_Integer_Exp;
function C_Malloc (Size : Ghdl_Index_Type) return Ghdl_Ptr;
pragma Import (C, C_Malloc, "malloc");
function Ghdl_Malloc (Size : Ghdl_Index_Type) return Ghdl_Ptr is
begin
return C_Malloc (Size);
end Ghdl_Malloc;
function Ghdl_Malloc0 (Size : Ghdl_Index_Type) return Ghdl_Ptr
is
procedure Memset (Ptr : Ghdl_Ptr; C : Integer; Size : Ghdl_Index_Type);
pragma Import (C, Memset);
Res : Ghdl_Ptr;
begin
Res := C_Malloc (Size);
Memset (Res, 0, Size);
return Res;
end Ghdl_Malloc0;
procedure Ghdl_Deallocate (Ptr : Ghdl_Ptr)
is
procedure C_Free (Ptr : Ghdl_Ptr);
pragma Import (C, C_Free, "free");
begin
C_Free (Ptr);
end Ghdl_Deallocate;
function Ghdl_Real_Exp (X : Ghdl_Real; Exp : Ghdl_I32)
return Ghdl_Real
is
R : Ghdl_I32;
Res : Ghdl_Real;
P : Ghdl_Real;
begin
Res := 1.0;
P := X;
R := Exp;
if R >= 0 then
loop
if R mod 2 = 1 then
Res := Res * P;
end if;
R := R / 2;
exit when R = 0;
P := P * P;
end loop;
return Res;
else
R := -R;
loop
if R mod 2 = 1 then
Res := Res * P;
end if;
R := R / 2;
exit when R = 0;
P := P * P;
end loop;
if Res = 0.0 then
Error ("division per 0.0");
return 0.0;
end if;
return 1.0 / Res;
end if;
end Ghdl_Real_Exp;
function Textio_Read_Real (Str : Std_String_Ptr) return Ghdl_F64
is
subtype Str1 is String (1 .. Natural (Str.Bounds.Dim_1.Length));
begin
return Ghdl_F64 (Grt.Fcvt.From_String
(Str1 (Str.Base (0 .. Str.Bounds.Dim_1.Length))));
end Textio_Read_Real;
function Ghdl_Get_Resolution_Limit return Std_Time is
begin
return 1;
end Ghdl_Get_Resolution_Limit;
procedure Ghdl_Control_Simulation
(Stop : Ghdl_B1; Has_Status : Ghdl_B1; Status : Std_Integer) is
begin
Report_H;
-- Report_C (Grt.Options.Progname);
Report_C ("simulation ");
if Stop then
Report_C ("stopped");
else
Report_C ("finished");
end if;
Report_C (" @");
Report_Now_C;
if Has_Status then
Report_C (" with status ");
Report_C (Integer (Status));
end if;
Report_E ("");
if Has_Status then
Exit_Status := Integer (Status);
end if;
Exit_Simulation;
end Ghdl_Control_Simulation;
end Grt.Lib;
|