e3d5588ca7
cpu/o3/commit_impl.hh:
O3 code update/cleanup. Fetch fault code no longer needed (see previous checkin).
--HG--
extra : convert_revision : f602e7f978e19b8900dce482f38f9c7a195e94da
120 lines
3.9 KiB
C++
120 lines
3.9 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_O3_THREAD_STATE_HH__
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#define __CPU_O3_THREAD_STATE_HH__
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#include "arch/faults.hh"
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#include "arch/isa_traits.hh"
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#include "cpu/exec_context.hh"
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#include "cpu/thread_state.hh"
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class Event;
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class Process;
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#if FULL_SYSTEM
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class EndQuiesceEvent;
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class FunctionProfile;
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class ProfileNode;
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#else
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class FunctionalMemory;
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class Process;
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#endif
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/**
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* Class that has various thread state, such as the status, the
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* current instruction being processed, whether or not the thread has
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* a trap pending or is being externally updated, the ExecContext
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* proxy pointer, etc. It also handles anything related to a specific
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* thread's process, such as syscalls and checking valid addresses.
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*/
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template <class Impl>
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struct O3ThreadState : public ThreadState {
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typedef ExecContext::Status Status;
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typedef typename Impl::FullCPU FullCPU;
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Status _status;
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// Current instruction
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TheISA::MachInst inst;
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private:
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FullCPU *cpu;
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public:
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bool inSyscall;
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bool trapPending;
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#if FULL_SYSTEM
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O3ThreadState(FullCPU *_cpu, int _thread_num, FunctionalMemory *_mem)
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: ThreadState(-1, _thread_num, _mem),
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inSyscall(0), trapPending(0)
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{ }
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#else
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O3ThreadState(FullCPU *_cpu, int _thread_num, Process *_process, int _asid)
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: ThreadState(-1, _thread_num, _process->getMemory(), _process, _asid),
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cpu(_cpu), inSyscall(0), trapPending(0)
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{ }
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O3ThreadState(FullCPU *_cpu, int _thread_num, FunctionalMemory *_mem,
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int _asid)
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: ThreadState(-1, _thread_num, _mem, NULL, _asid),
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cpu(_cpu), inSyscall(0), trapPending(0)
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{ }
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#endif
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ExecContext *xcProxy;
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ExecContext *getXCProxy() { return xcProxy; }
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Status status() const { return _status; }
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void setStatus(Status new_status) { _status = new_status; }
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#if !FULL_SYSTEM
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bool validInstAddr(Addr addr)
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{ return process->validInstAddr(addr); }
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bool validDataAddr(Addr addr)
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{ return process->validDataAddr(addr); }
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#endif
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bool misspeculating() { return false; }
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void setInst(TheISA::MachInst _inst) { inst = _inst; }
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Counter readFuncExeInst() { return funcExeInst; }
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void setFuncExeInst(Counter new_val) { funcExeInst = new_val; }
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#if !FULL_SYSTEM
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void syscall() { process->syscall(xcProxy); }
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#endif
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};
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#endif // __CPU_O3_THREAD_STATE_HH__
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