blob: 6c05ade94206e596847ec8bf2369f407c56ec20e [file] [log] [blame] [edit]
/*
* Copyright 2021 Google, Inc.
*
* 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 "mem/sys_bridge.hh"
#include "sim/system.hh"
namespace gem5
{
SysBridge::PacketData
SysBridge::BridgingPort::replaceReqID(PacketPtr pkt)
{
RequestPtr old_req = pkt->req;
RequestPtr new_req = std::make_shared<Request>(
old_req->getPaddr(), old_req->getSize(), old_req->getFlags(), id);
pkt->req = new_req;
return {old_req};
}
SysBridge::SysBridge(const SysBridgeParams &p) : SimObject(p),
sourcePort(p.name + ".source_port", &targetPort,
p.target->getRequestorId(this)),
targetPort(p.name + ".target_port", &sourcePort,
p.source->getRequestorId(this))
{}
Port &
SysBridge::getPort(const std::string &if_name, PortID idx)
{
if (if_name == "source_port")
return sourcePort;
else if (if_name == "target_port")
return targetPort;
else
return SimObject::getPort(if_name, idx);
}
} // namespace gem5