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/*
* Copyright (c) 2012 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* 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
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "arch/power/isa.hh"
#include "arch/power/regs/float.hh"
#include "arch/power/regs/int.hh"
#include "arch/power/regs/misc.hh"
#include "cpu/thread_context.hh"
#include "params/PowerISA.hh"
namespace gem5
{
namespace PowerISA
{
ISA::ISA(const Params &p) : BaseISA(p)
{
_regClasses.emplace_back(NumIntRegs, NumIntRegs - 1);
_regClasses.emplace_back(NumFloatRegs);
_regClasses.emplace_back(1);
_regClasses.emplace_back(2);
_regClasses.emplace_back(1);
_regClasses.emplace_back(0);
_regClasses.emplace_back(NUM_MISCREGS);
clear();
}
void
ISA::copyRegsFrom(ThreadContext *src)
{
// First loop through the integer registers.
for (int i = 0; i < NumIntRegs; ++i)
tc->setIntReg(i, src->readIntReg(i));
// Then loop through the floating point registers.
for (int i = 0; i < NumFloatRegs; ++i)
tc->setFloatReg(i, src->readFloatReg(i));
//TODO Copy misc. registers
// Lastly copy PC/NPC
tc->pcState(src->pcState());
}
} // namespace PowerISA
} // namespace gem5