gem5/src/sst/outgoing_request_bridge.cc

// Copyright (c) 2021 The Regents of the University of California
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#include "sst/outgoing_request_bridge.hh"

#include <cassert>
#include <iomanip>
#include <sstream>

#include "base/trace.hh"

namespace gem5
{

OutgoingRequestBridge::OutgoingRequestBridge(
    const OutgoingRequestBridgeParams &params) :
    SimObject(params),
    outgoingPort(std::string(name()), this),
    sstResponder(nullptr),
    physicalAddressRanges(params.physical_address_ranges.begin(),
                          params.physical_address_ranges.end())
{
}

OutgoingRequestBridge::~OutgoingRequestBridge()
{
}

OutgoingRequestBridge::
OutgoingRequestPort::OutgoingRequestPort(const std::string &name_,
                                         OutgoingRequestBridge* owner_) :
    ResponsePort(name_)
{
    owner = owner_;
}

OutgoingRequestBridge::
OutgoingRequestPort::~OutgoingRequestPort()
{
}

void
OutgoingRequestBridge::init()
{
    if (outgoingPort.isConnected())
        outgoingPort.sendRangeChange();
}

Port &
OutgoingRequestBridge::getPort(const std::string &if_name, PortID idx)
{
    return outgoingPort;
}

AddrRangeList
OutgoingRequestBridge::getAddrRanges() const
{
    return outgoingPort.getAddrRanges();
}

std::vector<std::pair<Addr, std::vector<uint8_t>>>
OutgoingRequestBridge::getInitData() const
{
    return initData;
}

void
OutgoingRequestBridge::setResponder(SSTResponderInterface* responder)
{
    sstResponder = responder;
}

bool
OutgoingRequestBridge::sendTimingResp(gem5::PacketPtr pkt)
{
    return outgoingPort.sendTimingResp(pkt);
}

void
OutgoingRequestBridge::sendTimingSnoopReq(gem5::PacketPtr pkt)
{
    outgoingPort.sendTimingSnoopReq(pkt);
}

void
OutgoingRequestBridge::handleRecvFunctional(PacketPtr pkt)
{
    uint8_t* ptr = pkt->getPtr<uint8_t>();
    uint64_t size = pkt->getSize();
    std::vector<uint8_t> data(ptr, ptr+size);
    initData.push_back(std::make_pair(pkt->getAddr(), data));
}

Tick
OutgoingRequestBridge::
OutgoingRequestPort::recvAtomic(PacketPtr pkt)
{
    assert(false && "OutgoingRequestPort::recvAtomic not implemented");
    return Tick();
}

void
OutgoingRequestBridge::
OutgoingRequestPort::recvFunctional(PacketPtr pkt)
{
    owner->handleRecvFunctional(pkt);
}

bool
OutgoingRequestBridge::
OutgoingRequestPort::recvTimingReq(PacketPtr pkt)
{
    owner->sstResponder->handleRecvTimingReq(pkt);
    return true;
}

void
OutgoingRequestBridge::
OutgoingRequestPort::recvRespRetry()
{
    owner->sstResponder->handleRecvRespRetry();
}

AddrRangeList
OutgoingRequestBridge::
OutgoingRequestPort::getAddrRanges() const
{
    return owner->physicalAddressRanges;
}

}; // namespace gem5