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/*
* Copyright (c) 2010-2012, 2016-2017 ARM Limited
* Copyright (c) 2013 Advanced Micro Devices, Inc.
* 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.
*
* Copyright (c) 2004-2006 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
* Korey Sewell
*/
#ifndef __CPU_O3_THREAD_CONTEXT_IMPL_HH__
#define __CPU_O3_THREAD_CONTEXT_IMPL_HH__
#include "arch/kernel_stats.hh"
#include "arch/registers.hh"
#include "config/the_isa.hh"
#include "cpu/o3/thread_context.hh"
#include "cpu/quiesce_event.hh"
#include "debug/O3CPU.hh"
template <class Impl>
FSTranslatingPortProxy&
O3ThreadContext<Impl>::getVirtProxy()
{
return thread->getVirtProxy();
}
template <class Impl>
void
O3ThreadContext<Impl>::dumpFuncProfile()
{
thread->dumpFuncProfile();
}
template <class Impl>
void
O3ThreadContext<Impl>::takeOverFrom(ThreadContext *old_context)
{
::takeOverFrom(*this, *old_context);
TheISA::Decoder *newDecoder = getDecoderPtr();
TheISA::Decoder *oldDecoder = old_context->getDecoderPtr();
newDecoder->takeOverFrom(oldDecoder);
thread->kernelStats = old_context->getKernelStats();
thread->funcExeInst = old_context->readFuncExeInst();
thread->noSquashFromTC = false;
thread->trapPending = false;
}
template <class Impl>
void
O3ThreadContext<Impl>::activate()
{
DPRINTF(O3CPU, "Calling activate on Thread Context %d\n",
threadId());
if (thread->status() == ThreadContext::Active)
return;
thread->lastActivate = curTick();
thread->setStatus(ThreadContext::Active);
// status() == Suspended
cpu->activateContext(thread->threadId());
}
template <class Impl>
void
O3ThreadContext<Impl>::suspend()
{
DPRINTF(O3CPU, "Calling suspend on Thread Context %d\n",
threadId());
if (thread->status() == ThreadContext::Suspended)
return;
if (cpu->isDraining()) {
DPRINTF(O3CPU, "Ignoring suspend on TC due to pending drain\n");
return;
}
thread->lastActivate = curTick();
thread->lastSuspend = curTick();
thread->setStatus(ThreadContext::Suspended);
cpu->suspendContext(thread->threadId());
}
template <class Impl>
void
O3ThreadContext<Impl>::halt()
{
DPRINTF(O3CPU, "Calling halt on Thread Context %d\n", threadId());
if (thread->status() == ThreadContext::Halted)
return;
thread->setStatus(ThreadContext::Halted);
cpu->haltContext(thread->threadId());
}
template <class Impl>
void
O3ThreadContext<Impl>::regStats(const std::string &name)
{
if (FullSystem) {
thread->kernelStats = new TheISA::Kernel::Statistics();
thread->kernelStats->regStats(name + ".kern");
}
}
template <class Impl>
Tick
O3ThreadContext<Impl>::readLastActivate()
{
return thread->lastActivate;
}
template <class Impl>
Tick
O3ThreadContext<Impl>::readLastSuspend()
{
return thread->lastSuspend;
}
template <class Impl>
void
O3ThreadContext<Impl>::profileClear()
{
thread->profileClear();
}
template <class Impl>
void
O3ThreadContext<Impl>::profileSample()
{
thread->profileSample();
}
template <class Impl>
void
O3ThreadContext<Impl>::copyArchRegs(ThreadContext *tc)
{
// Prevent squashing
thread->noSquashFromTC = true;
TheISA::copyRegs(tc, this);
thread->noSquashFromTC = false;
if (!FullSystem)
this->thread->funcExeInst = tc->readFuncExeInst();
}
template <class Impl>
void
O3ThreadContext<Impl>::clearArchRegs()
{
cpu->isa[thread->threadId()]->clear();
}
template <class Impl>
uint64_t
O3ThreadContext<Impl>::readIntRegFlat(int reg_idx)
{
return cpu->readArchIntReg(reg_idx, thread->threadId());
}
template <class Impl>
TheISA::FloatReg
O3ThreadContext<Impl>::readFloatRegFlat(int reg_idx)
{
return cpu->readArchFloatReg(reg_idx, thread->threadId());
}
template <class Impl>
TheISA::FloatRegBits
O3ThreadContext<Impl>::readFloatRegBitsFlat(int reg_idx)
{
return cpu->readArchFloatRegInt(reg_idx, thread->threadId());
}
template <class Impl>
const TheISA::VecRegContainer&
O3ThreadContext<Impl>::readVecRegFlat(int reg_id) const
{
return cpu->readArchVecReg(reg_id, thread->threadId());
}
template <class Impl>
TheISA::VecRegContainer&
O3ThreadContext<Impl>::getWritableVecRegFlat(int reg_id)
{
return cpu->getWritableArchVecReg(reg_id, thread->threadId());
}
template <class Impl>
const TheISA::VecElem&
O3ThreadContext<Impl>::readVecElemFlat(const RegIndex& idx,
const ElemIndex& elemIndex) const
{
return cpu->readArchVecElem(idx, elemIndex, thread->threadId());
}
template <class Impl>
TheISA::CCReg
O3ThreadContext<Impl>::readCCRegFlat(int reg_idx)
{
return cpu->readArchCCReg(reg_idx, thread->threadId());
}
template <class Impl>
void
O3ThreadContext<Impl>::setIntRegFlat(int reg_idx, uint64_t val)
{
cpu->setArchIntReg(reg_idx, val, thread->threadId());
conditionalSquash();
}
template <class Impl>
void
O3ThreadContext<Impl>::setFloatRegFlat(int reg_idx, FloatReg val)
{
cpu->setArchFloatReg(reg_idx, val, thread->threadId());
conditionalSquash();
}
template <class Impl>
void
O3ThreadContext<Impl>::setFloatRegBitsFlat(int reg_idx, FloatRegBits val)
{
cpu->setArchFloatRegInt(reg_idx, val, thread->threadId());
conditionalSquash();
}
template <class Impl>
void
O3ThreadContext<Impl>::setVecRegFlat(int reg_idx, const VecRegContainer& val)
{
cpu->setArchVecReg(reg_idx, val, thread->threadId());
conditionalSquash();
}
template <class Impl>
void
O3ThreadContext<Impl>::setVecElemFlat(const RegIndex& idx,
const ElemIndex& elemIndex, const VecElem& val)
{
cpu->setArchVecElem(idx, elemIndex, val, thread->threadId());
conditionalSquash();
}
template <class Impl>
void
O3ThreadContext<Impl>::setCCRegFlat(int reg_idx, TheISA::CCReg val)
{
cpu->setArchCCReg(reg_idx, val, thread->threadId());
conditionalSquash();
}
template <class Impl>
void
O3ThreadContext<Impl>::pcState(const TheISA::PCState &val)
{
cpu->pcState(val, thread->threadId());
conditionalSquash();
}
template <class Impl>
void
O3ThreadContext<Impl>::pcStateNoRecord(const TheISA::PCState &val)
{
cpu->pcState(val, thread->threadId());
conditionalSquash();
}
template <class Impl>
RegId
O3ThreadContext<Impl>::flattenRegId(const RegId& regId) const
{
return cpu->isa[thread->threadId()]->flattenRegId(regId);
}
template <class Impl>
void
O3ThreadContext<Impl>::setMiscRegNoEffect(int misc_reg, const MiscReg &val)
{
cpu->setMiscRegNoEffect(misc_reg, val, thread->threadId());
conditionalSquash();
}
#endif//__CPU_O3_THREAD_CONTEXT_IMPL_HH__
template <class Impl>
void
O3ThreadContext<Impl>::setMiscReg(int misc_reg, const MiscReg &val)
{
cpu->setMiscReg(misc_reg, val, thread->threadId());
conditionalSquash();
}