se_translating_port_proxy.hh revision 4434 
1/*
2 * Copyright (c) 2001-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Ron Dreslinski
29 *          Ali Saidi
30 */
31
32#ifndef __MEM_TRANSLATING_PROT_HH__
33#define __MEM_TRANSLATING_PROT_HH__
34
35#include "mem/port.hh"
36
37class PageTable;
38class Process;
39
40class TranslatingPort : public FunctionalPort
41{
42  public:
43    enum AllocType {
44        Always,
45        Never,
46        NextPage
47    };
48
49  private:
50    PageTable *pTable;
51    Process *process;
52    AllocType allocating;
53
54  public:
55    TranslatingPort(const std::string &_name,
56                    Process *p, AllocType alloc);
57    virtual ~TranslatingPort();
58
59    bool tryReadBlob(Addr addr, uint8_t *p, int size);
60    bool tryWriteBlob(Addr addr, uint8_t *p, int size);
61    bool tryMemsetBlob(Addr addr, uint8_t val, int size);
62    bool tryWriteString(Addr addr, const char *str);
63    bool tryReadString(std::string &str, Addr addr);
64
65    virtual void readBlob(Addr addr, uint8_t *p, int size);
66    virtual void writeBlob(Addr addr, uint8_t *p, int size);
67    virtual void memsetBlob(Addr addr, uint8_t val, int size);
68
69    void writeString(Addr addr, const char *str);
70    void readString(std::string &str, Addr addr);
71};
72
73#endif
74