bitwidth.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 bitwidth.cpp -- 23 24 Original Author: Rocco Jonack, Synopsys, Inc., 1999-12-14 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_biguint<2> tmp1; 44 sc_biguint<2> tmp1a; 45 sc_bigint<4> tmp2; 46 sc_bigint<4> tmp2a; 47 sc_biguint<6> tmp3; 48 sc_biguint<6> tmp3a; 49 sc_bigint<8> tmp4; 50 sc_bigint<8> tmp4a; 51 52 // reset_loop 53 out_valid.write(false); 54 out_ack.write(false); 55 wait(); 56 57 // 58 // main loop 59 // 60 // 61 while(1) { 62 while(in_valid.read()==false) wait(); 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 69 //execute simple operations 70 // expected bitwidth 2 2 2 71 tmp1a = tmp1 - tmp1; 72 // expected bitwidth 2 4 4 73 tmp2a = tmp2 - tmp1; 74 // expected bitwidth 6 2 6 75 tmp3a = tmp3 - tmp1; 76 // expected bitwidth 4 8 8 77 tmp4a = tmp4 - tmp2; 78 79 out_ack.write(true); 80 wait(); 81 out_ack.write(false); 82 83 // write outputs 84 out_value1.write(tmp1a); 85 out_value2.write(tmp2a); 86 out_value3.write(tmp3a); 87 out_value4.write(tmp4a); 88 out_valid.write(true); 89 wait(); 90 out_valid.write(false); 91 wait(); 92 } 93} 94 95// EOF 96 97 98