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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.
- */
-
-#ifndef __CPU_O3_THREAD_STATE_HH__
-#define __CPU_O3_THREAD_STATE_HH__
-
-#include "arch/faults.hh"
-#include "arch/isa_traits.hh"
-#include "cpu/exec_context.hh"
-#include "cpu/thread_state.hh"
-
-class Event;
-class Process;
-
-#if FULL_SYSTEM
-class EndQuiesceEvent;
-class FunctionProfile;
-class ProfileNode;
-#else
-class FunctionalMemory;
-class Process;
-#endif
-
-/**
- * Class that has various thread state, such as the status, the
- * current instruction being processed, whether or not the thread has
- * a trap pending or is being externally updated, the ExecContext
- * proxy pointer, etc. It also handles anything related to a specific
- * thread's process, such as syscalls and checking valid addresses.
- */
-template <class Impl>
-struct O3ThreadState : public ThreadState {
- typedef ExecContext::Status Status;
- typedef typename Impl::FullCPU FullCPU;
-
- Status _status;
-
- // Current instruction
- TheISA::MachInst inst;
- private:
- FullCPU *cpu;
- public:
-
- bool inSyscall;
-
- bool trapPending;
-
-#if FULL_SYSTEM
- O3ThreadState(FullCPU *_cpu, int _thread_num, FunctionalMemory *_mem)
- : ThreadState(-1, _thread_num, _mem),
- inSyscall(0), trapPending(0)
- { }
-#else
- O3ThreadState(FullCPU *_cpu, int _thread_num, Process *_process, int _asid)
- : ThreadState(-1, _thread_num, _process->getMemory(), _process, _asid),
- cpu(_cpu), inSyscall(0), trapPending(0)
- { }
-
- O3ThreadState(FullCPU *_cpu, int _thread_num, FunctionalMemory *_mem,
- int _asid)
- : ThreadState(-1, _thread_num, _mem, NULL, _asid),
- cpu(_cpu), inSyscall(0), trapPending(0)
- { }
-#endif
-
- ExecContext *xcProxy;
-
- ExecContext *getXCProxy() { return xcProxy; }
-
- Status status() const { return _status; }
-
- void setStatus(Status new_status) { _status = new_status; }
-
-#if !FULL_SYSTEM
- bool validInstAddr(Addr addr)
- { return process->validInstAddr(addr); }
-
- bool validDataAddr(Addr addr)
- { return process->validDataAddr(addr); }
-#endif
-
- bool misspeculating() { return false; }
-
- void setInst(TheISA::MachInst _inst) { inst = _inst; }
-
- Counter readFuncExeInst() { return funcExeInst; }
-
- void setFuncExeInst(Counter new_val) { funcExeInst = new_val; }
-
-#if !FULL_SYSTEM
- void syscall() { process->syscall(xcProxy); }
-#endif
-};
-
-#endif // __CPU_O3_THREAD_STATE_HH__