7daeed83f7
The proxies this method initializes no longer exist, since they're now created locally. Change-Id: I5fd1c99fbc00f5057ea8868e91be02d577b1c176 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/45909 Reviewed-by: Gabe Black <gabe.black@gmail.com> Maintainer: Gabe Black <gabe.black@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com>
144 lines
4.5 KiB
C++
144 lines
4.5 KiB
C++
/*
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* Copyright (c) 2006 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __CPU_THREAD_STATE_HH__
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#define __CPU_THREAD_STATE_HH__
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#include "cpu/base.hh"
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#include "cpu/thread_context.hh"
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#include "sim/process.hh"
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namespace gem5
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{
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class Checkpoint;
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/**
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* Struct for holding general thread state that is needed across CPU
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* models. This includes things such as pointers to the process,
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* memory, quiesce events, and certain stats. This can be expanded
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* to hold more thread-specific stats within it.
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*/
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struct ThreadState : public Serializable
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{
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typedef ThreadContext::Status Status;
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ThreadState(BaseCPU *cpu, ThreadID _tid, Process *_process);
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virtual ~ThreadState() = default;
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void serialize(CheckpointOut &cp) const override;
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void unserialize(CheckpointIn &cp) override;
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int cpuId() const { return baseCpu->cpuId(); }
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uint32_t socketId() const { return baseCpu->socketId(); }
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ContextID contextId() const { return _contextId; }
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void setContextId(ContextID id) { _contextId = id; }
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void setThreadId(ThreadID id) { _threadId = id; }
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ThreadID threadId() const { return _threadId; }
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Tick readLastActivate() const { return lastActivate; }
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Tick readLastSuspend() const { return lastSuspend; }
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Process *getProcessPtr() { return process; }
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void setProcessPtr(Process *p) { process = p; }
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/** Returns the status of this thread. */
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Status status() const { return _status; }
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/** Sets the status of this thread. */
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void setStatus(Status new_status) { _status = new_status; }
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public:
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/** Number of instructions committed. */
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Counter numInst;
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/** Number of ops (including micro ops) committed. */
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Counter numOp;
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// Defining the stat group
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struct ThreadStateStats : public statistics::Group
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{
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ThreadStateStats(BaseCPU *cpu, const ThreadID& thread);
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/** Stat for number instructions committed. */
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statistics::Scalar numInsts;
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/** Stat for number ops (including micro ops) committed. */
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statistics::Scalar numOps;
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/** Stat for number of memory references. */
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statistics::Scalar numMemRefs;
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} threadStats;
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/** Number of simulated loads, used for tracking events based on
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* the number of loads committed.
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*/
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Counter numLoad;
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/** The number of simulated loads committed prior to this run. */
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Counter startNumLoad;
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protected:
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ThreadContext::Status _status;
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// Pointer to the base CPU.
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BaseCPU *baseCpu;
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// system wide HW context id
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ContextID _contextId;
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// Index of hardware thread context on the CPU that this represents.
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ThreadID _threadId;
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public:
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/** Last time activate was called on this thread. */
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Tick lastActivate;
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/** Last time suspend was called on this thread. */
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Tick lastSuspend;
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protected:
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Process *process;
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public:
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//
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// Count failed store conditionals so we can warn of apparent
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// application deadlock situations.
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unsigned storeCondFailures;
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};
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} // namespace gem5
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#endif // __CPU_THREAD_STATE_HH__
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