2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
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.
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.
28 * Authors: Nathan Binkert
38 #include "base/misc.hh"
39 #include "base/output.hh"
40 #include "sim/builder.hh"
41 #include "sim/host.hh"
42 #include "sim/sim_events.hh"
43 #include "sim/sim_exit.hh"
44 #include "sim/sim_object.hh"
45 #include "sim/root.hh"
50 ostream
*outputStream
;
51 ostream
*configStream
;
53 /// The simulated frequency of curTick. (This is only here for a short time)
57 /// The simulated frequency of curTick. (In ticks per second)
71 /* namespace Float */ }
79 /* namespace Float */ }
81 /* namespace Clock */ }
85 class Root
: public SimObject
89 Tick progress_interval
;
92 Root(const std::string
&name
, Tick maxtick
, Tick pi
)
93 : SimObject(name
), max_tick(maxtick
), progress_interval(pi
)
96 virtual void startup();
103 exitSimLoop(curTick
+ max_tick
, "reached maximum cycle count");
105 if (progress_interval
!= 0)
106 new ProgressEvent(&mainEventQueue
, progress_interval
);
109 BEGIN_DECLARE_SIM_OBJECT_PARAMS(Root
)
112 Param
<Tick
> max_tick
;
113 Param
<Tick
> progress_interval
;
114 Param
<string
> output_file
;
116 END_DECLARE_SIM_OBJECT_PARAMS(Root
)
118 BEGIN_INIT_SIM_OBJECT_PARAMS(Root
)
120 INIT_PARAM(clock
, "tick frequency"),
121 INIT_PARAM(max_tick
, "maximum simulation time"),
122 INIT_PARAM(progress_interval
, "print a progress message"),
123 INIT_PARAM(output_file
, "file to dump simulator output to")
125 END_INIT_SIM_OBJECT_PARAMS(Root
)
127 CREATE_SIM_OBJECT(Root
)
129 static bool created
= false;
131 panic("only one root object allowed!");
135 outputStream
= simout
.find(output_file
);
136 Root
*root
= new Root(getInstanceName(), max_tick
, progress_interval
);
138 using namespace Clock
;
140 Float::s
= static_cast<double>(Frequency
);
141 Float::ms
= Float::s
/ 1.0e3
;
142 Float::us
= Float::s
/ 1.0e6
;
143 Float::ns
= Float::s
/ 1.0e9
;
144 Float::ps
= Float::s
/ 1.0e12
;
146 Float::Hz
= 1.0 / Float::s
;
147 Float::kHz
= 1.0 / Float::ms
;
148 Float::MHz
= 1.0 / Float::us
;
149 Float::GHZ
= 1.0 / Float::ns
;
152 Int::ms
= Int::s
/ 1000;
153 Int::us
= Int::ms
/ 1000;
154 Int::ns
= Int::us
/ 1000;
155 Int::ps
= Int::ns
/ 1000;
160 REGISTER_SIM_OBJECT("Root", Root
)