nativetrace.cc revision 6397:cb1d7c957f49 
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: Gabe Black
29 */
30
31#include "arch/arm/isa_traits.hh"
32#include "arch/arm/miscregs.hh"
33#include "arch/arm/nativetrace.hh"
34#include "cpu/thread_context.hh"
35#include "params/ArmNativeTrace.hh"
36
37namespace Trace {
38
39static const char *regNames[] = {
40    "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
41    "r8", "r9", "r10", "fp", "r12", "sp", "lr", "pc",
42    "cpsr"
43};
44
45void
46Trace::ArmNativeTrace::check(NativeTraceRecord *record)
47{
48    ThreadContext *tc = record->getThread();
49
50    uint32_t regVal, realRegVal;
51
52    const char **regName = regNames;
53    // Regular int regs
54    for (int i = 0; i < 15; i++) {
55        regVal = tc->readIntReg(i);
56        read(&realRegVal, sizeof(realRegVal));
57        realRegVal = ArmISA::gtoh(realRegVal);
58        checkReg(*(regName++), regVal, realRegVal);
59    }
60
61    //R15, aliased with the PC
62    regVal = tc->readNextPC();
63    read(&realRegVal, sizeof(realRegVal));
64    realRegVal = ArmISA::gtoh(realRegVal);
65    checkReg(*(regName++), regVal, realRegVal);
66
67    //CPSR
68    regVal = tc->readMiscReg(MISCREG_CPSR);
69    read(&realRegVal, sizeof(realRegVal));
70    realRegVal = ArmISA::gtoh(realRegVal);
71    checkReg(*(regName++), regVal, realRegVal);
72}
73
74} /* namespace Trace */
75
76////////////////////////////////////////////////////////////////////////
77//
78//  ExeTracer Simulation Object
79//
80Trace::ArmNativeTrace *
81ArmNativeTraceParams::create()
82{
83    return new Trace::ArmNativeTrace(this);
84};
85