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[/] [openmsp430/] [trunk/] [core/] [sim/] [rtl_sim/] [src/] [mpy_basic.v] - Blame information for rev 85

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Line No. Rev Author Line
1 67 olivier.gi
/*===========================================================================*/
2
/* Copyright (C) 2001 Authors                                                */
3
/*                                                                           */
4
/* This source file may be used and distributed without restriction provided */
5
/* that this copyright statement is not removed from the file and that any   */
6
/* derivative work contains the original copyright notice and the associated */
7
/* disclaimer.                                                               */
8
/*                                                                           */
9
/* This source file is free software; you can redistribute it and/or modify  */
10
/* it under the terms of the GNU Lesser General Public License as published  */
11
/* by the Free Software Foundation; either version 2.1 of the License, or    */
12
/* (at your option) any later version.                                       */
13
/*                                                                           */
14
/* This source is distributed in the hope that it will be useful, but WITHOUT*/
15
/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or     */
16
/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public       */
17
/* License for more details.                                                 */
18
/*                                                                           */
19
/* You should have received a copy of the GNU Lesser General Public License  */
20
/* along with this source; if not, write to the Free Software Foundation,    */
21
/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA        */
22
/*                                                                           */
23
/*===========================================================================*/
24
/*                          HARDWARE MULTIPLIER                              */
25
/*---------------------------------------------------------------------------*/
26
/* Test the hardware multiplier:                                             */
27
/*                                - MPY  mode.                               */
28
/*                                - MPYS mode.                               */
29
/*                                - MAC  mode.                               */
30
/*                                - MACS mode.                               */
31
/*                                                                           */
32
/* Author(s):                                                                */
33
/*             - Olivier Girard,    olgirard@gmail.com                       */
34
/*                                                                           */
35
/*---------------------------------------------------------------------------*/
36
/* $Rev: 18 $                                                                */
37
/* $LastChangedBy: olivier.girard $                                          */
38
/* $LastChangedDate: 2009-08-04 23:44:12 +0200 (Tue, 04 Aug 2009) $          */
39
/*===========================================================================*/
40
 
41
 
42
initial
43
   begin
44
      $display(" ===============================================");
45
      $display("|                 START SIMULATION              |");
46
      $display(" ===============================================");
47
      repeat(5) @(posedge mclk);
48
      stimulus_done = 0;
49
 
50
 
51
      // UNSIGNED MULTIPLICATION
52
      //--------------------------------------------------------
53
 
54
      @(r15===16'h0001);
55
      if (r10 !== 16'h7F14) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (1) =====");
56
      if (r11 !== 16'h007B) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (1) =====");
57
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (1) =====");
58
 
59
      @(r15===16'h0002);
60
      if (r10 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (2) =====");
61
      if (r11 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (2) =====");
62
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (2) =====");
63
 
64
      @(r15===16'h0003);
65
      if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (3) =====");
66
      if (r11 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (3) =====");
67
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (3) =====");
68
 
69
      @(r15===16'h0004);
70
      if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (4) =====");
71
      if (r11 !== 16'h3FFF) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (4) =====");
72
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (4) =====");
73
 
74
      @(r15===16'h0005);
75
      if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (5) =====");
76
      if (r11 !== 16'hFFFE) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (5) =====");
77
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (5) =====");
78
 
79
      @(r15===16'h0006);
80
      if (r10 !== 16'h8001) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (6) =====");
81
      if (r11 !== 16'h7FFE) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (6) =====");
82
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (6) =====");
83
 
84
      @(r15===16'h0007);
85
      if (r10 !== 16'h8000) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (7) =====");
86
      if (r11 !== 16'h3FFF) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (7) =====");
87
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (7) =====");
88
 
89
      @(r15===16'h0008);
90
      if (r10 !== 16'h8000) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (8) =====");
91
      if (r11 !== 16'h7FFF) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (8) =====");
92
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (8) =====");
93
 
94
      @(r15===16'h0009);
95
      if (r10 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (9) =====");
96
      if (r11 !== 16'h4000) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (9) =====");
97
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (9) =====");
98
 
99
      $display("Unsigned Multiplication test completed (MPY mode).");
100
 
101
      // SIGNED MULTIPLICATION
102
      //--------------------------------------------------------
103
 
104
      @(r15===16'h0001);
105
      if (r10 !== 16'h7F14) tb_error("====== SIGNED MULTIPLICATION: RESLO  (1) =====");
106
      if (r11 !== 16'hE7F9) tb_error("====== SIGNED MULTIPLICATION: RESHI  (1) =====");
107
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (1) =====");
108
 
109
      @(r15===16'h0002);
110
      if (r10 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESLO  (2) =====");
111
      if (r11 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESHI  (2) =====");
112
      if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (2) =====");
113
 
114
      @(r15===16'h0003);
115
      if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLICATION: RESLO  (3) =====");
116
      if (r11 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESHI  (3) =====");
117
      if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (3) =====");
118
 
119
      @(r15===16'h0004);
120
      if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLICATION: RESLO  (4) =====");
121
      if (r11 !== 16'h3FFF) tb_error("====== SIGNED MULTIPLICATION: RESHI  (4) =====");
122
      if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (4) =====");
123
 
124
      @(r15===16'h0005);
125
      if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLICATION: RESLO  (5) =====");
126
      if (r11 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESHI  (5) =====");
127
      if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (5) =====");
128
 
129
      @(r15===16'h0006);
130
      if (r10 !== 16'h8001) tb_error("====== SIGNED MULTIPLICATION: RESLO  (6) =====");
131
      if (r11 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLICATION: RESHI  (6) =====");
132
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (6) =====");
133
 
134
      @(r15===16'h0007);
135
      if (r10 !== 16'h8000) tb_error("====== SIGNED MULTIPLICATION: RESLO  (7) =====");
136
      if (r11 !== 16'hC000) tb_error("====== SIGNED MULTIPLICATION: RESHI  (7) =====");
137
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (7) =====");
138
 
139
      @(r15===16'h0008);
140
      if (r10 !== 16'h8000) tb_error("====== SIGNED MULTIPLICATION: RESLO  (8) =====");
141
      if (r11 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESHI  (8) =====");
142
      if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (8) =====");
143
 
144
      @(r15===16'h0009);
145
      if (r10 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESLO  (9) =====");
146
      if (r11 !== 16'h4000) tb_error("====== SIGNED MULTIPLICATION: RESHI  (9) =====");
147
      if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (9) =====");
148
 
149
      $display("Signed Multiplication test completed (MPYS mode)");
150
 
151
 
152
      // UNSIGNED MULTIPLY ACCUMULATE
153
      //--------------------------------------------------------
154
 
155
      @(r15===16'h0001);
156
      if (r10 !== 16'h7F14) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (1) =====");
157
      if (r11 !== 16'hC07B) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (1) =====");
158
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (1) =====");
159
 
160
      @(r15===16'h0002);
161
      if (r10 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (2) =====");
162
      if (r11 !== 16'hC000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (2) =====");
163
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (2) =====");
164
 
165
      @(r15===16'h0003);
166
      if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (3) =====");
167
      if (r11 !== 16'hC000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (3) =====");
168
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (3) =====");
169
 
170
      @(r15===16'h0004);
171
      if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (4) =====");
172
      if (r11 !== 16'hFFFF) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (4) =====");
173
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (4) =====");
174
 
175
      @(r15===16'h0005);
176
      if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (5) =====");
177
      if (r11 !== 16'hBFFE) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (5) =====");
178
      if (r12 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (5) =====");
179
 
180
      @(r15===16'h0006);
181
      if (r10 !== 16'h8001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (6) =====");
182
      if (r11 !== 16'h3FFE) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (6) =====");
183
      if (r12 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (6) =====");
184
 
185
      @(r15===16'h0007);
186
      if (r10 !== 16'h8000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (7) =====");
187
      if (r11 !== 16'hFFFF) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (7) =====");
188
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (7) =====");
189
 
190
      @(r15===16'h0008);
191
      if (r10 !== 16'h8000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (8) =====");
192
      if (r11 !== 16'h3FFF) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (8) =====");
193
      if (r12 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (8) =====");
194
 
195
      @(r15===16'h0009);
196
      if (r10 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (9) =====");
197
      if (r11 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (9) =====");
198
      if (r12 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (9) =====");
199
 
200
      $display("Unsigned Multiply Accumulate test completed (MAC mode)");
201
 
202
 
203
      // SIGNED MULTIPLY ACCUMULATE
204
      //--------------------------------------------------------
205
 
206
      @(r15===16'h0001);
207
      if (r10 !== 16'h7F14) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (1) =====");
208
      if (r11 !== 16'hA7F9) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (1) =====");
209
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (1) =====");
210
 
211
      @(r15===16'h0002);
212
      if (r10 !== 16'h0000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (2) =====");
213
      if (r11 !== 16'hC000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (2) =====");
214
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (2) =====");
215
 
216
      @(r15===16'h0003);
217
      if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (3) =====");
218
      if (r11 !== 16'hC000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (3) =====");
219
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (3) =====");
220
 
221
      @(r15===16'h0004);
222
      if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (4) =====");
223
      if (r11 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (4) =====");
224
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (4) =====");
225
 
226
      @(r15===16'h0005);
227
      if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (5) =====");
228
      if (r11 !== 16'hC000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (5) =====");
229
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (5) =====");
230
 
231
      @(r15===16'h0006);
232
      if (r10 !== 16'h8001) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (6) =====");
233
      if (r11 !== 16'hBFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (6) =====");
234
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (6) =====");
235
 
236
      @(r15===16'h0007);
237
      if (r10 !== 16'h8000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (7) =====");
238
      if (r11 !== 16'h8000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (7) =====");
239
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (7) =====");
240
 
241
      @(r15===16'h0008);
242
      if (r10 !== 16'h8000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (8) =====");
243
      if (r11 !== 16'hC000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (8) =====");
244
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (8) =====");
245
 
246
      @(r15===16'h0009);
247
      if (r10 !== 16'h0000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (9) =====");
248
      if (r11 !== 16'h0000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (9) =====");
249
      if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (9) =====");
250
 
251
      $display("Signed Multiply Accumulate test completed (MACS mode)");
252
 
253
 
254
      stimulus_done = 1;
255
   end
256
 

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