85 lines
3.1 KiB
C++
85 lines
3.1 KiB
C++
/*
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* Copyright (c) 2004-2005 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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* Authors: Kevin Lim
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*/
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#ifndef __CPU_O3_IMPL_HH__
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#define __CPU_O3_IMPL_HH__
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#include "arch/isa_traits.hh"
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#include "config/the_isa.hh"
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#include "cpu/o3/cpu_policy.hh"
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// Forward declarations.
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template <class Impl>
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class BaseO3DynInst;
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template <class Impl>
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class FullO3CPU;
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/** Implementation specific struct that defines several key types to the
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* CPU, the stages within the CPU, the time buffers, and the DynInst.
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* The struct defines the ISA, the CPU policy, the specific DynInst, the
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* specific O3CPU, and all of the structs from the time buffers to do
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* communication.
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* This is one of the key things that must be defined for each hardware
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* specific CPU implementation.
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*/
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struct O3CPUImpl
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{
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/** The type of MachInst. */
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typedef TheISA::MachInst MachInst;
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/** The CPU policy to be used, which defines all of the CPU stages. */
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typedef SimpleCPUPolicy<O3CPUImpl> CPUPol;
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/** The DynInst type to be used. */
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typedef BaseO3DynInst<O3CPUImpl> DynInst;
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/** The refcounted DynInst pointer to be used. In most cases this is
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* what should be used, and not DynInst *.
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*/
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typedef RefCountingPtr<DynInst> DynInstPtr;
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/** The O3CPU type to be used. */
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typedef FullO3CPU<O3CPUImpl> O3CPU;
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/** Same typedef, but for CPUType. BaseDynInst may not always use
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* an O3 CPU, so it's clearer to call it CPUType instead in that
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* case.
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*/
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typedef O3CPU CPUType;
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enum {
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MaxWidth = 8,
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MaxThreads = 4
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};
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};
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#endif // __CPU_O3_SPARC_IMPL_HH__
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