fs_translating_port_proxy.cc revision 2665 
1/*
2 * Copyright (c) 2006 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: Ali Saidi
29 */
30
31/**
32 * @file Port object definitions.
33 */
34
35#include "base/chunk_generator.hh"
36#include "mem/vport.hh"
37
38void
39VirtualPort::readBlob(Addr addr, uint8_t *p, int size)
40{
41    Addr paddr;
42    for (ChunkGenerator gen(addr, size, TheISA::PageBytes); !gen.done();
43            gen.next())
44    {
45        if (xc)
46            paddr = TheISA::vtophys(xc,gen.addr());
47        else
48            paddr = TheISA::vtophys(gen.addr());
49
50        FunctionalPort::readBlob(paddr, p, gen.size());
51        p += gen.size();
52    }
53}
54
55void
56VirtualPort::writeBlob(Addr addr, uint8_t *p, int size)
57{
58    Addr paddr;
59    for (ChunkGenerator gen(addr, size, TheISA::PageBytes); !gen.done();
60            gen.next())
61    {
62        if (xc)
63            paddr = TheISA::vtophys(xc,gen.addr());
64        else
65            paddr = TheISA::vtophys(gen.addr());
66
67        FunctionalPort::writeBlob(paddr, p, gen.size());
68        p += gen.size();
69    }
70}
71
72