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/*
* 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.
*/
#include <string>
#include "mem/port.hh"
#include "mem/translating_port.hh"
#include "mem/page_table.hh"
TranslatingPort::TranslatingPort(Port *_port, PageTable *p_table)
: port(_port), pTable(p_table)
{ }
TranslatingPort::~TranslatingPort()
{ }
Fault
TranslatingPort::readBlobFunctional(Addr addr, uint8_t *p, int size)
{
Addr paddr;
//@todo Break up things larger than a page size
pTable->page_check(addr, size);
if (!pTable->translate(addr,paddr))
return Machine_Check_Fault;
port->readBlobFunctional(paddr, p, size);
return No_Fault;
}
Fault
TranslatingPort::writeBlobFunctional(Addr addr, const uint8_t *p, int size)
{
Addr paddr;
//@todo Break up things larger than a page size
pTable->page_check(addr, size);
if (!pTable->translate(addr,paddr))
return Machine_Check_Fault;
port->writeBlobFunctional(paddr, p, size);
return No_Fault;
}
Fault
TranslatingPort::memsetBlobFunctional(Addr addr, uint8_t val, int size)
{
Addr paddr;
//@todo Break up things larger than a page size
pTable->page_check(addr, size);
if (!pTable->translate(addr,paddr))
return Machine_Check_Fault;
port->memsetBlobFunctional(paddr, val, size);
return No_Fault;
}
Fault
TranslatingPort::writeStringFunctional(Addr addr, const char *str)
{
//@todo Break up things larger than a page size
//pTable->page_check(addr, size);
//Need to check string length???
Addr paddr;
if (!pTable->translate(addr,paddr))
return Machine_Check_Fault;
port->writeStringFunctional(paddr, str);
return No_Fault;
}
Fault
TranslatingPort::readStringFunctional(std::string &str, Addr addr)
{
//@todo Break up things larger than a page size
//pTable->page_check(addr, size);
//Need to check string length???
Addr paddr;
if (!pTable->translate(addr,paddr))
return Machine_Check_Fault;
//@todo Break this up into readBlobs
port->readStringFunctional(str, paddr);
return No_Fault;
}
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