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/*
* Copyright (c) 2012-2014 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* 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: Andrew Bardsley
* Curtis Dunham
* Christian Menard
*/
#include "mem/external_master.hh"
#include <cctype>
#include <iomanip>
#include "base/trace.hh"
#include "debug/ExternalPort.hh"
#include "sim/system.hh"
std::map<std::string, ExternalMaster::Handler *>
ExternalMaster::portHandlers;
ExternalMaster::ExternalMaster(ExternalMasterParams *params) :
MemObject(params),
externalPort(NULL),
portName(params->name + ".port"),
portType(params->port_type),
portData(params->port_data),
masterId(params->system->getMasterId(this))
{}
BaseMasterPort &
ExternalMaster::getMasterPort(const std::string &if_name,
PortID idx)
{
if (if_name == "port") {
DPRINTF(ExternalPort, "Trying to bind external port: %s %s\n",
portType, portName);
if (!externalPort) {
auto handlerIter = portHandlers.find(portType);
if (handlerIter == portHandlers.end())
fatal("Can't find port handler type '%s'\n", portType);
externalPort = portHandlers[portType]->getExternalPort(portName,
*this, portData);
if (!externalPort) {
fatal("%s: Can't find external port type: %s"
" port_data: '%s'\n", portName, portType, portData);
}
}
return *externalPort;
} else {
return MemObject::getMasterPort(if_name, idx);
}
}
void
ExternalMaster::init()
{
if (!externalPort) {
fatal("ExternalMaster %s: externalPort not set!\n", name());
} else if (!externalPort->isConnected()) {
fatal("ExternalMaster %s is unconnected!\n", name());
}
}
ExternalMaster *
ExternalMasterParams::create()
{
return new ExternalMaster(this);
}
void
ExternalMaster::registerHandler(const std::string &handler_name,
Handler *handler)
{
portHandlers[handler_name] = handler;
}
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