mult.cpp revision 12855:588919e0e4aa 
1/*****************************************************************************
2
3  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
4  more contributor license agreements.  See the NOTICE file distributed
5  with this work for additional information regarding copyright ownership.
6  Accellera licenses this file to you under the Apache License, Version 2.0
7  (the "License"); you may not use this file except in compliance with the
8  License.  You may obtain a copy of the License at
9
10    http://www.apache.org/licenses/LICENSE-2.0
11
12  Unless required by applicable law or agreed to in writing, software
13  distributed under the License is distributed on an "AS IS" BASIS,
14  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
15  implied.  See the License for the specific language governing
16  permissions and limitations under the License.
17
18 *****************************************************************************/
19
20/*****************************************************************************
21
22  mult.cpp --
23
24  Original Author: Rocco Jonack, Synopsys, Inc., 1999-05-13
25
26 *****************************************************************************/
27
28/*****************************************************************************
29
30  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
31  changes you are making here.
32
33      Name, Affiliation, Date:
34  Description of Modification:
35
36 *****************************************************************************/
37
38
39#include "mult.h"
40
41void mult::entry(){
42
43  int             tmp1;
44  sc_bigint<4>    tmp2;
45  sc_biguint<4>   tmp3;
46  sc_bigint<8>    tmp4;
47  sc_biguint<8>   tmp5;
48
49  // reset_loop
50  if (reset.read() == true) {
51    out_valid.write(false);
52    wait();
53  } else wait();
54
55  //
56  // main loop
57  //
58  //
59  while(1) {
60    while(in_valid.read()==false) wait();
61    wait();
62
63    //reading the inputs
64    tmp1 = in_value1.read();
65    tmp2 = in_value2.read();
66    tmp3 = in_value3.read();
67    tmp4 = in_value4.read();
68    tmp5 = in_value5.read();
69
70    //execute simple operations
71    tmp1 = tmp1 * 2;
72    tmp2 = tmp2 * 2;
73    tmp3 = tmp3 * 2;
74    tmp4 = tmp4 * 2;
75    tmp5 = tmp5 * 2;
76    wait();
77
78    // write outputs
79    out_value1.write(tmp1);
80    out_value2.write(tmp2);
81    out_value3.write(tmp3);
82    out_value4.write(tmp4);
83    out_value5.write(tmp5);
84    out_valid.write(true);
85    wait();
86    out_valid.write(false);
87    wait();
88    //execute self assigning operations
89    tmp1 *= 2;
90    tmp2 *= 2;
91    tmp3 *= 2;
92    tmp4 *= 2;
93    tmp5 *= 2;
94    wait();
95
96    // write outputs
97    out_value1.write(tmp1);
98    out_value2.write(tmp2);
99    out_value3.write(tmp3);
100    out_value4.write(tmp4);
101    out_value5.write(tmp5);
102    out_valid.write(true);
103    wait();
104    out_valid.write(false);
105    wait();
106    //execute complex operations with different bit width
107    tmp1 = (tmp2*tmp3).to_int();
108    tmp2 = tmp2*tmp4;
109    tmp3 = tmp3*tmp5;
110    tmp4 = tmp4*tmp5;
111    tmp5 = tmp4*tmp5;
112    wait();
113
114    // write outputs
115    out_value1.write(tmp1);
116    out_value2.write(tmp2);
117    out_value3.write(tmp3);
118    out_value4.write(tmp4);
119    out_value5.write(tmp5);
120    out_valid.write(true);
121    wait();
122    out_valid.write(false);
123    wait();
124  }
125}
126
127// EOF
128
129