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-/*
- * Copyright (c) 2003 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.
- */
-
-/**
- * @file
- * Declaration of a non-full system Page Table.
- */
-
-#ifndef __PAGE_TABLE__
-#define __PAGE_TABLE__
-
-#include <string>
-#include <map>
-
-#include "arch/isa_traits.hh"
-#include "base/trace.hh"
-#include "mem/request.hh"
-#include "mem/packet.hh"
-#include "sim/sim_object.hh"
-
-class System;
-
-/**
- * Page Table Decleration.
- */
-class PageTable
-{
- protected:
- std::map<Addr,Addr> pTable;
-
- const Addr pageSize;
- const Addr offsetMask;
-
- System *system;
-
- public:
-
- PageTable(System *_system, Addr _pageSize = TheISA::VMPageSize);
-
- ~PageTable();
-
- Addr pageAlign(Addr a) { return (a & ~offsetMask); }
- Addr pageOffset(Addr a) { return (a & offsetMask); }
-
- Fault page_check(Addr addr, int size) const;
-
- void allocate(Addr vaddr, int size);
-
- /**
- * Translate function
- * @param vaddr The virtual address.
- * @return Physical address from translation.
- */
- bool translate(Addr vaddr, Addr &paddr);
-
- /**
- * Perform a translation on the memory request, fills in paddr
- * field of mem_req.
- * @param req The memory request.
- */
- Fault translate(RequestPtr &req);
-
-};
-
-#endif