thread_state.cc revision 2689 
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: Kevin Lim
29 */
30
31#include "base/output.hh"
32#include "cpu/profile.hh"
33#include "cpu/thread_state.hh"
34
35#if FULL_SYSTEM
36ThreadState::ThreadState(int _cpuId, int _tid)
37    : cpuId(_cpuId), tid(_tid), lastActivate(0), lastSuspend(0),
38      profile(NULL), profileNode(NULL), profilePC(0), quiesceEvent(NULL),
39      funcExeInst(0), storeCondFailures(0)
40#else
41ThreadState::ThreadState(int _cpuId, int _tid, MemObject *mem,
42                         Process *_process, short _asid)
43    : cpuId(_cpuId), tid(_tid), lastActivate(0), lastSuspend(0),
44      process(_process), asid(_asid),
45      funcExeInst(0), storeCondFailures(0)
46#endif
47{
48#if !FULL_SYSTEM
49        /* Use this port to for syscall emulation writes to memory. */
50        Port *mem_port;
51        port = new TranslatingPort(csprintf("%d-funcport",
52                                            tid),
53                                   process->pTable, false);
54        mem_port = mem->getPort("functional");
55        mem_port->setPeer(port);
56        port->setPeer(mem_port);
57#endif
58}
59
60#if FULL_SYSTEM
61
62void
63ThreadState::profileClear()
64{
65    if (profile)
66        profile->clear();
67}
68
69void
70ThreadState::profileSample()
71{
72    if (profile)
73        profile->sample(profileNode, profilePC);
74}
75
76#endif
77