system.cc revision 180 
1/*
2 * Copyright (c) 2003 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
29#include "cpu/exec_context.hh"
30#include "targetarch/vtophys.hh"
31#include "sim/param.hh"
32#include "sim/system.hh"
33
34using namespace std;
35
36vector<System *> System::systemList;
37
38int System::numSystemsRunning = 0;
39
40System::System(const std::string _name,
41               const int _init_param,
42               MemoryController *_memCtrl,
43               PhysicalMemory *_physmem)
44    : SimObject(_name),
45      init_param(_init_param),
46      memCtrl(_memCtrl),
47      physmem(_physmem)
48{
49    // add self to global system list
50    systemList.push_back(this);
51}
52
53
54System::~System()
55{
56}
57
58
59int
60System::registerExecContext(ExecContext *xc)
61{
62    int myIndex = execContexts.size();
63    execContexts.push_back(xc);
64    return myIndex;
65}
66
67
68void
69System::replaceExecContext(int xcIndex, ExecContext *xc)
70{
71    if (xcIndex >= execContexts.size()) {
72        panic("replaceExecContext: bad xcIndex, %d >= %d\n",
73              xcIndex, execContexts.size());
74    }
75
76    execContexts[xcIndex] = xc;
77}
78
79
80void
81System::printSystems()
82{
83    vector<System *>::iterator i = systemList.begin();
84    vector<System *>::iterator end = systemList.end();
85    for (; i != end; ++i) {
86        System *sys = *i;
87        cerr << "System " << sys->name() << ": " << hex << sys << endl;
88    }
89}
90
91extern "C"
92void
93printSystems()
94{
95    System::printSystems();
96}
97
98DEFINE_SIM_OBJECT_CLASS_NAME("System", System)
99
100