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-/*
- * Copyright (c) 2006 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
- * Virtual Port Object Decleration. These ports incorporate some translation
- * into their access methods. Thus you can use one to read and write data
- * to/from virtual addresses.
- */
-
-#ifndef __MEM_VPORT_HH__
-#define __MEM_VPORT_HH__
-
-#include "mem/port.hh"
-#include "config/full_system.hh"
-#include "arch/vtophys.hh"
-
-
-/** A class that translates a virtual address to a physical address and then
- * calls the above read/write functions. If an execution context is provided the
- * address can alway be translated, If not it can only be translated if it is a
- * simple address masking operation (such as alpha super page accesses).
- */
-
-class VirtualPort : public FunctionalPort
-{
- private:
- ExecContext *xc;
-
- public:
- VirtualPort(ExecContext *_xc = NULL)
- : xc(_xc)
- {}
-
- /** Return true if we have an exec context. This is used to prevent someone
- * from accidently deleting the cpus statically allocated vport.
- * @return true if an execution context isn't valid
- */
- bool nullExecContext() { return xc != NULL; }
-
- /** Version of readblob that translates virt->phys and deals
- * with page boundries. */
- virtual void readBlob(Addr addr, uint8_t *p, int size);
-
- /** Version of writeBlob that translates virt->phys and deals
- * with page boundries. */
- virtual void writeBlob(Addr addr, uint8_t *p, int size);
-};
-
-#endif //__MEM_VPORT_HH__
-