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
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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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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:
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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