gem5/mem/translating_port.hh

/*
 * 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.
 */

#ifndef __MEM_TRANSLATING_PROT_HH__
#define __MEM_TRANSLATING_PROT_HH__

#include "mem/memory.hh"

class Port;
class PageTable;

class TranslatingPort
{
  private:
    Port *port;
    PageTable *pTable;

    TranslatingPort(const TranslatingPort &specmem);
    const TranslatingPort &operator=(const TranslatingPort &specmem);

  public:
    TranslatingPort(Port *_port, PageTable *p_table);
    virtual ~TranslatingPort();

  public:
    bool tryReadBlobFunctional(Addr addr, uint8_t *p, int size);
    bool tryWriteBlobFunctional(Addr addr, uint8_t *p, int size,
                                bool alloc = false);
    bool tryMemsetBlobFunctional(Addr addr, uint8_t val, int size,
                                 bool alloc = false);
    bool tryWriteStringFunctional(Addr addr, const char *str);
    bool tryReadStringFunctional(std::string &str, Addr addr);

    void readBlobFunctional(Addr addr, uint8_t *p, int size);
    void writeBlobFunctional(Addr addr, uint8_t *p, int size,
                             bool alloc = false);
    void memsetBlobFunctional(Addr addr, uint8_t val, int size,
                              bool alloc = false);
    void writeStringFunctional(Addr addr, const char *str);
    void readStringFunctional(std::string &str, Addr addr);
};

#endif