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