xref: /gem5/src/mem/fs_translating_port_proxy.cc

/*
 * 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.
 *
 * Authors: Ali Saidi
 */

/**
 * @file
 * Port object definitions.
 */

#include "base/chunk_generator.hh"
#include "mem/vport.hh"

void
VirtualPort::readBlob(Addr addr, uint8_t *p, int size)
{
    Addr paddr;
    for (ChunkGenerator gen(addr, size, TheISA::PageBytes); !gen.done();
            gen.next())
    {
        if (tc)
            paddr = TheISA::vtophys(tc,gen.addr());
        else
            paddr = TheISA::vtophys(gen.addr());

        FunctionalPort::readBlob(paddr, p, gen.size());
        p += gen.size();
    }
}

void
VirtualPort::writeBlob(Addr addr, uint8_t *p, int size)
{
    Addr paddr;
    for (ChunkGenerator gen(addr, size, TheISA::PageBytes); !gen.done();
            gen.next())
    {
        if (tc)
            paddr = TheISA::vtophys(tc,gen.addr());
        else
            paddr = TheISA::vtophys(gen.addr());

        FunctionalPort::writeBlob(paddr, p, gen.size());
        p += gen.size();
    }
}