core.hh revision 7823:dac01f14f20f 
1/*
2 * Copyright (c) 2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Nathan Binkert
29 *          Steve Reinhardt
30 */
31
32#ifndef __SIM_CORE_HH__
33#define __SIM_CORE_HH__
34
35#include <string>
36
37#include "base/types.hh"
38
39/// The universal simulation clock.
40extern Tick _curTick;
41
42inline Tick curTick() { return _curTick; }
43inline void curTick(Tick newVal) { _curTick = newVal; }
44
45const Tick retryTime = 1000;
46
47namespace SimClock {
48/// The simulated frequency of curTick().
49extern Tick Frequency;
50
51namespace Float {
52extern double s;
53extern double ms;
54extern double us;
55extern double ns;
56extern double ps;
57
58extern double Hz;
59extern double kHz;
60extern double MHz;
61extern double GHZ;
62} // namespace Float
63
64namespace Int {
65extern Tick s;
66extern Tick ms;
67extern Tick us;
68extern Tick ns;
69extern Tick ps;
70} // namespace Int
71} // namespace SimClock
72
73void setClockFrequency(Tick ticksPerSecond);
74
75void setOutputDir(const std::string &dir);
76
77struct Callback;
78void registerExitCallback(Callback *callback);
79void doExitCleanup();
80
81#endif /* __SIM_CORE_HH__ */
82