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 bitwidth.cpp -- 23 24 Original Author: Rocco Jonack, Synopsys, Inc., 1999-07-30 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 "bitwidth.h" 40 41void bitwidth::entry(){ 42 43 sc_bigint<4> tmp1; 44 sc_biguint<4> tmp2; 45 sc_bigint<6> tmp3; 46 sc_biguint<6> tmp4; 47 sc_bigint<8> tmp5; 48 sc_biguint<8> tmp6; 49 50 // reset_loop 51 if (reset.read() == true) { 52 out_valid.write(false); 53 wait(); 54 } else wait(); 55 56 // 57 // main loop 58 // 59 // 60 while(1) { 61 while(in_valid.read()==false) wait(); 62 wait(); 63 64 //reading the inputs 65 tmp1 = in_value1.read(); 66 tmp2 = in_value2.read(); 67 tmp3 = in_value3.read(); 68 tmp4 = in_value4.read(); 69 tmp5 = in_value5.read(); 70 tmp6 = in_value6.read(); 71 72 //execute simple operations 73 // expected bitwidth 4 4 4 signed 74 tmp1 = tmp1 << tmp2; 75 // expected bitwidth 4 6 6 signed 76 tmp3 = tmp1 << tmp2; 77 // expected bitwidth 4 4 6 signed 78 tmp6 = tmp2 << tmp6; 79 // expected bitwidth 8 8 6 signed 80 tmp4 = tmp5 << tmp6; 81 // expected bitwidth 6 8 4 unsigned 82 tmp2 = tmp4 << tmp6; 83 wait(); 84 85 // write outputs 86 out_value1.write(tmp1); 87 out_value2.write(tmp2); 88 out_value3.write(tmp3); 89 out_value4.write(tmp4); 90 out_value5.write(tmp5); 91 out_value6.write(tmp6); 92 out_valid.write(true); 93 wait(); 94 out_valid.write(false); 95 wait(); 96 } 97} 98 99// EOF 100 101