1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
* Copyright (c) 2002-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Nathan Binkert
*/
#include <string>
#include "base/callback.hh"
#include "base/hostinfo.hh"
#include "sim/eventq.hh"
#include "sim/sim_events.hh"
#include "sim/sim_exit.hh"
#include "sim/stats.hh"
using namespace std;
SimLoopExitEvent::SimLoopExitEvent(const std::string &_cause, int c, Tick r)
: Event(Sim_Exit_Pri, IsExitEvent), cause(_cause), code(c), repeat(r)
{
}
//
// handle termination event
//
void
SimLoopExitEvent::process()
{
// if this got scheduled on a different queue (e.g. the committed
// instruction queue) then make a corresponding event on the main
// queue.
if (!isFlagSet(IsMainQueue)) {
exitSimLoop(cause, code);
setFlags(AutoDelete);
}
// otherwise do nothing... the IsExitEvent flag takes care of
// exiting the simulation loop and returning this object to Python
// but if you are doing this on intervals, don't forget to make another
if (repeat) {
assert(isFlagSet(IsMainQueue));
mainEventQueue.schedule(this, curTick() + repeat);
}
}
const char *
SimLoopExitEvent::description() const
{
return "simulation loop exit";
}
void
exitSimLoop(const std::string &message, int exit_code, Tick when, Tick repeat)
{
Event *event = new SimLoopExitEvent(message, exit_code, repeat);
mainEventQueue.schedule(event, when);
}
//
// constructor: automatically schedules at specified time
//
CountedExitEvent::CountedExitEvent(const std::string &_cause, int &counter)
: Event(Sim_Exit_Pri), cause(_cause), downCounter(counter)
{
// catch stupid mistakes
assert(downCounter > 0);
}
//
// handle termination event
//
void
CountedExitEvent::process()
{
if (--downCounter == 0) {
exitSimLoop(cause, 0);
}
}
const char *
CountedExitEvent::description() const
{
return "counted exit";
}
|
