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/*
* Copyright (c) 2004-2005 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_BETA_CPU_ALPHA_IMPL_HH__
#define __CPU_BETA_CPU_ALPHA_IMPL_HH__
#include "arch/alpha/isa_traits.hh"
#include "cpu/beta_cpu/alpha_params.hh"
#include "cpu/beta_cpu/cpu_policy.hh"
// Forward declarations.
template <class Impl>
class AlphaDynInst;
template <class Impl>
class AlphaFullCPU;
/** Implementation specific struct that defines several key things to the
* CPU, the stages within the CPU, the time buffers, and the DynInst.
* The struct defines the ISA, the CPU policy, the specific DynInst, the
* specific FullCPU, and all of the structs from the time buffers to do
* communication.
* This is one of the key things that must be defined for each hardware
* specific CPU implementation.
*/
struct AlphaSimpleImpl
{
/** The ISA to be used. */
typedef AlphaISA ISA;
/** The type of MachInst. */
typedef ISA::MachInst MachInst;
/** The CPU policy to be used (ie fetch, decode, etc.). */
typedef SimpleCPUPolicy<AlphaSimpleImpl> CPUPol;
/** The DynInst to be used. */
typedef AlphaDynInst<AlphaSimpleImpl> DynInst;
/** The refcounted DynInst pointer to be used. In most cases this is
* what should be used, and not DynInst *.
*/
typedef RefCountingPtr<DynInst> DynInstPtr;
/** The FullCPU to be used. */
typedef AlphaFullCPU<AlphaSimpleImpl> FullCPU;
/** The Params to be passed to each stage. */
typedef AlphaSimpleParams Params;
enum {
MaxWidth = 8
};
};
#endif // __CPU_BETA_CPU_ALPHA_IMPL_HH__
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