Stubs for SPARC's tlbs

--HG--
extra : convert_revision : ba08da78693cc6f59f7358134f121f471910dbf6
This commit is contained in:
Gabe Black 2006-11-08 00:32:40 -05:00
parent 746ceb93fd
commit 16a012e80d
2 changed files with 94 additions and 1 deletions

79
src/arch/sparc/tlb.cc Normal file
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@ -0,0 +1,79 @@
/*
* Copyright (c) 2001-2005 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.
*
* Authors: Nathan Binkert
* Steve Reinhardt
* Andrew Schultz
*/
#include "arch/sparc/tlb.hh"
#include "sim/builder.hh"
namespace SparcISA
{
DEFINE_SIM_OBJECT_CLASS_NAME("SparcTLB", TLB)
BEGIN_DECLARE_SIM_OBJECT_PARAMS(ITB)
Param<int> size;
END_DECLARE_SIM_OBJECT_PARAMS(ITB)
BEGIN_INIT_SIM_OBJECT_PARAMS(ITB)
INIT_PARAM_DFLT(size, "TLB size", 48)
END_INIT_SIM_OBJECT_PARAMS(ITB)
CREATE_SIM_OBJECT(ITB)
{
return new ITB(getInstanceName(), size);
}
REGISTER_SIM_OBJECT("SparcITB", ITB)
BEGIN_DECLARE_SIM_OBJECT_PARAMS(DTB)
Param<int> size;
END_DECLARE_SIM_OBJECT_PARAMS(DTB)
BEGIN_INIT_SIM_OBJECT_PARAMS(DTB)
INIT_PARAM_DFLT(size, "TLB size", 64)
END_INIT_SIM_OBJECT_PARAMS(DTB)
CREATE_SIM_OBJECT(DTB)
{
return new DTB(getInstanceName(), size);
}
REGISTER_SIM_OBJECT("SparcDTB", DTB)
}

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@ -31,19 +31,29 @@
#ifndef __ARCH_SPARC_TLB_HH__
#define __ARCH_SPARC_TLB_HH__
#include "mem/request.hh"
#include "sim/faults.hh"
#include "sim/sim_object.hh"
class ThreadContext;
namespace SparcISA
{
class TLB
class TLB : public SimObject
{
public:
TLB(const std::string &name, int size) : SimObject(name)
{
}
};
class ITB : public TLB
{
public:
ITB(const std::string &name, int size) : TLB(name, size)
{
}
Fault translate(RequestPtr &req, ThreadContext *tc) const
{
return NoFault;
@ -53,6 +63,10 @@ namespace SparcISA
class DTB : public TLB
{
public:
DTB(const std::string &name, int size) : TLB(name, size)
{
}
Fault translate(RequestPtr &req, ThreadContext *tc, bool write) const
{
return NoFault;