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 fifo.h - This is the header file for the SystemC structure "fifo". 23 24 Original Author: Rashmi Goswami, Synopsys, Inc. 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 #ifndef FIFO_H_INCLUDED 39 #define FIFO_H_INCLUDED 40 41 #include "systemc.h" 42 #include "pkt.h" 43 44 struct fifo { 45 46 pkt regs[4]; 47 bool full; 48 bool empty; 49 sc_uint<3> pntr; 50 51 // constructor 52 fifofifo53 fifo() 54 { 55 full = false; 56 empty = true; 57 pntr = 0; 58 } 59 60 // methods 61 62 void pkt_in(const pkt& data_pkt); 63 64 pkt pkt_out(); 65 }; 66 #endif // FIFO_H_INCLUDED 67