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/*
* Copyright (c) 2006 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: Kevin Lim
*/
#include "base/misc.hh"
#include "base/trace.hh"
#include "config/the_isa.hh"
#include "cpu/thread_context.hh"
void
ThreadContext::compare(ThreadContext *one, ThreadContext *two)
{
DPRINTF(Context, "Comparing thread contexts\n");
// First loop through the integer registers.
for (int i = 0; i < TheISA::NumIntRegs; ++i) {
TheISA::IntReg t1 = one->readIntReg(i);
TheISA::IntReg t2 = two->readIntReg(i);
if (t1 != t2)
panic("Int reg idx %d doesn't match, one: %#x, two: %#x",
i, t1, t2);
}
// Then loop through the floating point registers.
for (int i = 0; i < TheISA::NumFloatRegs; ++i) {
TheISA::FloatRegBits t1 = one->readFloatRegBits(i);
TheISA::FloatRegBits t2 = two->readFloatRegBits(i);
if (t1 != t2)
panic("Float reg idx %d doesn't match, one: %#x, two: %#x",
i, t1, t2);
}
#if FULL_SYSTEM
for (int i = 0; i < TheISA::NumMiscRegs; ++i) {
TheISA::MiscReg t1 = one->readMiscRegNoEffect(i);
TheISA::MiscReg t2 = two->readMiscRegNoEffect(i);
if (t1 != t2)
panic("Misc reg idx %d doesn't match, one: %#x, two: %#x",
i, t1, t2);
}
#endif
Addr pc1 = one->readPC();
Addr pc2 = two->readPC();
if (pc1 != pc2)
panic("PCs doesn't match, one: %#x, two: %#x", pc1, pc2);
Addr npc1 = one->readNextPC();
Addr npc2 = two->readNextPC();
if (npc1 != npc2)
panic("NPCs doesn't match, one: %#x, two: %#x", npc1, npc2);
int id1 = one->cpuId();
int id2 = two->cpuId();
if (id1 != id2)
panic("CPU ids don't match, one: %d, two: %d", id1, id2);
id1 = one->contextId();
id2 = two->contextId();
if (id1 != id2)
panic("Context ids don't match, one: %d, two: %d", id1, id2);
}
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