File: t_debug_emitv.v

package info (click to toggle)
verilator 5.032-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 93,932 kB
  • sloc: cpp: 131,288; python: 19,365; ansic: 10,234; yacc: 5,733; lex: 1,905; makefile: 1,229; sh: 489; perl: 282; fortran: 22
file content (220 lines) | stat: -rw-r--r-- 4,902 bytes parent folder | download | duplicates (2)
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
// DESCRIPTION: Verilator: Dotted reference that uses another dotted reference
// as the select expression
//
// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2020 by Wilson Snyder.
// SPDX-License-Identifier: CC0-1.0

package Pkg;
   localparam PKG_PARAM = 1;
endpackage
package PkgImp;
   import Pkg::*;
   export Pkg::*;
endpackage

class Cls;
   int member = 1;
   function void method;
   endfunction
endclass

interface Iface;
   logic ifsig;
   modport mp(input ifsig);
endinterface

module t (/*AUTOARG*/
   // Inputs
   clk, in
   );
   input clk;
   input in;

   // verilator lint_off UNPACKED

   typedef enum {
                 ZERO,
                 ONE = 1
   } e_t;

   typedef struct packed {
      e_t a;
   } ps_t;
   typedef struct {
      logic signed [2:0] a;
   } us_t;
   typedef union {
      logic a;
   } union_t;

   const ps_t ps[3];
   us_t us;
   union_t unu;

   int            array[3];
   initial array = '{1,2,3};

   reg [15:0]     pubflat /*verilator public_flat_rw @(posedge clk) */;

   reg [15:0]    pubflat_r;
   wire [15:0]    pubflat_w = pubflat;
   int            fd;
   int            i;

   int            q[$];
   int            assoc[string];
   int            dyn[];

   task t;
      $display("stmt");
   endtask
   function int f(input int v);
      $display("stmt");
      return v == 0 ? 99 : ~v + 1;
   endfunction

   sub sub();

   initial begin
      int other;
      begin //unnamed
         for (int i = 0; i < 3; ++i) begin
            other = f(i);
            $display("stmt %d %d", i, other);
            t();
         end
      end
      begin : named
         $display("stmt");
      end : named
   end
   final begin
      $display("stmt");
   end

   always @ (in) begin
      $display("stmt");
   end
   always @ (posedge clk) begin
      $display("posedge clk");
      pubflat_r <= pubflat_w;
   end
   always @ (negedge clk) begin
      $display("negedge clk, pfr = %x", pubflat_r);
   end

   int cyc;
   int fo;
   int sum;
   real r;
   string str;
   always_ff @ (posedge clk) begin
      cyc <= cyc + 1;
      r <= r + 0.01;
      fo = cyc;
      sub.inc(fo, sum);
      sum = sub.f(sum);
      $display("[%0t] sum = %d", $time, sum);
      $display("a?= %d", $c(1) ? $c32(20) : $c32(30));

      $c(";");
      $display("%d", $c("0"));
      fd = $fopen("/dev/null");
      $fclose(fd);
      fd = $fopen("/dev/null", "r");
      $fgetc(fd);  //  stmt
      $fflush(fd);
      $fscanf(fd, "%d", sum);
      $fdisplay("i = ", sum);
      $fwrite(fd, "hello");
      $readmemh(fd, array);
      $readmemh(fd, array, 0);
      $readmemh(fd, array, 0, 0);

      sum = 0;
      for (int i = 0; i < cyc; ++i) begin
         sum += i;
         if (sum > 10) break;
         else sum += 1;
      end
      if (cyc == 99) $finish;
      if (cyc == 100) $stop;

      case (in)  // synopsys full_case parallel_case
        1: $display("1");
        default: $display("default");
      endcase
      priority case (in)
        1: $display("1");
        default: $display("default");
      endcase
      unique case (in)
        1: $display("1");
        default: $display("default");
      endcase
      unique0 case (in)
        1: $display("1");
        default: $display("default");
      endcase
      if (in) $display("1"); else $display("0");
      priority if (in) $display("1"); else $display("0");
      unique if (in) $display("1"); else $display("0");
      unique0 if (in) $display("1"); else $display("0");

      $display($past(cyc), $past(cyc, 1));

      str = $sformatf("cyc=%d", cyc);
      $display("str = %s", str);
      $display("%% [%t] [%t] to=%o td=%d", $time, $realtime, $time, $time);
      $sscanf("foo=5", "foo=%d", i);
      $printtimescale;
      if (i != 5) $stop;

      sum = $random;
      sum = $random(10);
      sum = $urandom;
      sum = $urandom(10);

      if (Pkg::PKG_PARAM != 1) $stop;
      sub.r = 62.0;

      $display("%g", $log10(r));
      $display("%g", $ln(r));
      $display("%g", $exp(r));
      $display("%g", $sqrt(r));
      $display("%g", $floor(r));
      $display("%g", $ceil(r));
      $display("%g", $sin(r));
      $display("%g", $cos(r));
      $display("%g", $tan(r));
      $display("%g", $asin(r));
      $display("%g", $acos(r));
      $display("%g", $atan(r));
      $display("%g", $sinh(r));
      $display("%g", $cosh(r));
      $display("%g", $tanh(r));
      $display("%g", $asinh(r));
      $display("%g", $acosh(r));
      $display("%g", $atanh(r));

      force sum = 10;
      repeat (2) if (sum != 10) $stop;
      release sum;
   end
endmodule

module sub();
   task inc(input int i, output int o);
      o = {1'b0, i[31:1]} + 32'd1;
   endtask
   function int f(input int v);
      if (v == 0) return 33;
      return {31'd0, v[2]} + 32'd1;
   endfunction
   real r;
endmodule

package p;
   logic pkgvar;
endpackage