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  reset_stim.cpp --
23
24  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15
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#include "common.h"
39#include "add_chain.h"
40
41/******************************************************************************/
42/***************************   reset_stim Function       **********************/
43/******************************************************************************/
44bool_vector8 mem[LIMIT + 1];  // Stimulus input memory
45
46SC_MODULE( RESET_STIM )
47{
48    SC_HAS_PROCESS( RESET_STIM );
49
50    sc_in_clk clk;
51
52  /*** Input and Output Ports ***/
53  sc_signal<bool>& 	ready;
54  sc_signal<bool>& 	reset;
55  sc_signal<int>&	addr;
56
57  /*** Constructor ***/
58  RESET_STIM (   sc_module_name    	NAME,
59                      sc_clock&         TICK_N,
60                      sc_signal<bool>&  READY,
61                      sc_signal<bool>&  RESET,
62  		      sc_signal<int>&	ADDR   )
63
64    :
65		ready (READY),
66		reset (RESET),
67		addr  (ADDR)
68
69    {
70	    clk (TICK_N);
71        SC_CTHREAD( entry, clk.neg() );
72    }
73
74  /*** Call to Process Functionality ***/
75  void entry();
76
77};
78
79void
80RESET_STIM::entry()
81{
82
83/**  LOAD MEMORY WITH DATA AT TIME ZERO  **/
84
85  ifstream 		stimulus ("add_chain_FUNC/add_chain.dat");
86  char			buffer[WIDTH+1];
87
88  for(int i=1; i < LIMIT+1; i++) {
89      stimulus >> buffer;
90      mem[i] = buffer;
91  }
92
93  stimulus.close();
94
95/**  INITIALIZE reset AND addr, THEN REMOVE RESET AFTER 2 CLOCK CYCLES  **/
96
97  reset.write(0);	// reset = 0
98  addr.write(1);	// addr = 1
99  wait(2);
100
101  reset.write(1);	// reset = 1
102
103/** WAIT FOR LAST MEMORY ADDRESS, THEN 3 CLOCKS, THEN STOP SIMULATION  **/
104
105// do { wait(); } while (addr == LIMIT);
106  do { wait(); } while (!(addr == LIMIT));
107  wait(LATENCY);
108  do { wait(); } while (ready != 1);
109  sc_stop();
110  halt();
111}
112
113void
114f_RESET_STIM (   const char*        NAME,
115                       sc_clock&    TICK,
116                       sc_signal<bool>&  READY,
117                       sc_signal<bool>&  RESET,
118  		       sc_signal<int>&	 ADDR   )
119
120{
121	new RESET_STIM(NAME, TICK, READY,RESET, ADDR);
122}
123