datatypes.cpp revision 12855:588919e0e4aa 
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3  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
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6  Accellera licenses this file to you under the Apache License, Version 2.0
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8  License.  You may obtain a copy of the License at
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10    http://www.apache.org/licenses/LICENSE-2.0
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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
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19
20/*****************************************************************************
21
22  datatypes.cpp --
23
24  Original Author: Rocco Jonack, Synopsys, Inc., 1999-07-22
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 "datatypes.h"
40
41void datatypes::entry() {
42
43  sc_biguint<4>   tmp1;
44  sc_bigint<4>    tmp2;
45  sc_lv<4>        tmp3;
46  sc_bv<4>        tmp4;
47
48  // reset_loop
49    if (reset.read() == true) {
50      out_value1.write(0);
51      out_value2.write(0);
52      out_value3.write(0);
53      out_value4.write(0);
54      out_valid.write(false);
55      wait();
56    } else wait();
57
58  //
59  // main loop
60  //
61  while(1) {
62    do { wait(); } while  (in_valid == false);
63
64    // reading inputs
65    tmp1 = in_value1.read();
66    tmp2 = in_value2.read();
67    tmp3 = in_value3.read();
68    tmp4 = in_value4.read();
69
70    // checking if condition on a range of bits
71    if (tmp1.range(1,3) == 4) {
72	out_value1.write(3);
73    } else if (tmp1.range(3,1) == 4) {
74	out_value1.write(2);
75    } else {
76	out_value1.write(tmp1);
77    };
78    wait();
79
80    // checking if condition on bit part
81    if (tmp2[2]) {
82      out_value2.write(3);
83    } else if ((bool)tmp1[1]==true) {
84	out_value2.write(2);
85    } else {
86      out_value2.write(tmp2);
87    };
88    wait();
89
90    // checking if condition on a range of bits in complex condition
91    if (tmp3.range(1,3)=="000" || ((tmp3.range(3,1).to_uint()!=4) &&
92	tmp3.range(3,1).to_uint()!=5 && tmp3.range(3,1).to_uint()!=6 &&
93	tmp3.range(3,1).to_uint()!=7)) {
94      out_value3.write(1);
95    } else {
96      out_value3.write(tmp3);
97    };
98
99   // checking if condition on a range of bits in complex condition
100   // on signal reads inside condition
101    if (in_value4.read().range(1,3)=="000" ||
102	(in_value4.read().range(3,1).to_uint()!=4 &&
103	 in_value4.read().range(3,1).to_uint()!=5 &&
104	 in_value4.read().range(3,1).to_uint()!=6 &&
105	 in_value4.read().range(3,1).to_uint()!=7)) {
106      out_value4.write(1);
107    } else {
108      out_value4.write(tmp4);
109    };
110
111    out_valid.write(true);
112    wait();
113    out_valid.write(false);
114
115  }
116}
117
118// EOF
119
120