/*
- * Copyright (c) 2012,2015 ARM Limited
+ * Copyright (c) 2012,2015,2017 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* @file
* Port object definitions.
*/
-#include "base/trace.hh"
-#include "mem/mem_object.hh"
#include "mem/port.hh"
-Port::Port(const std::string &_name, MemObject& _owner, PortID _id)
- : portName(_name), id(_id), owner(_owner)
-{
-}
-
-Port::~Port()
-{
-}
-
-BaseMasterPort::BaseMasterPort(const std::string& name, MemObject* owner,
- PortID _id)
- : Port(name, *owner, _id), _baseSlavePort(NULL)
-{
-}
-
-BaseMasterPort::~BaseMasterPort()
-{
-}
-
-BaseSlavePort&
-BaseMasterPort::getSlavePort() const
-{
- if (_baseSlavePort == NULL)
- panic("Cannot getSlavePort on master port %s that is not connected\n",
- name());
-
- return *_baseSlavePort;
-}
-
-bool
-BaseMasterPort::isConnected() const
-{
- return _baseSlavePort != NULL;
-}
-
-BaseSlavePort::BaseSlavePort(const std::string& name, MemObject* owner,
- PortID _id)
- : Port(name, *owner, _id), _baseMasterPort(NULL)
-{
-}
-
-BaseSlavePort::~BaseSlavePort()
-{
-}
-
-BaseMasterPort&
-BaseSlavePort::getMasterPort() const
-{
- if (_baseMasterPort == NULL)
- panic("Cannot getMasterPort on slave port %s that is not connected\n",
- name());
-
- return *_baseMasterPort;
-}
-
-bool
-BaseSlavePort::isConnected() const
-{
- return _baseMasterPort != NULL;
-}
+#include "base/trace.hh"
+#include "sim/sim_object.hh"
/**
* Master port
*/
-MasterPort::MasterPort(const std::string& name, MemObject* owner, PortID _id)
- : BaseMasterPort(name, owner, _id), _slavePort(NULL)
+MasterPort::MasterPort(const std::string& name, SimObject* _owner, PortID _id)
+ : Port(name, _id), _slavePort(NULL), owner(*_owner)
{
}
}
void
-MasterPort::bind(BaseSlavePort& slave_port)
+MasterPort::bind(Port &peer)
{
- // bind on the level of the base ports
- _baseSlavePort = &slave_port;
-
- // also attempt to base the slave to the appropriate type
- SlavePort* cast_slave_port = dynamic_cast<SlavePort*>(&slave_port);
-
- // if this port is compatible, then proceed with the binding
- if (cast_slave_port != NULL) {
- // master port keeps track of the slave port
- _slavePort = cast_slave_port;
- // slave port also keeps track of master port
- _slavePort->bind(*this);
- } else {
- fatal("Master port %s cannot bind to %s\n", name(),
- slave_port.name());
+ auto *slave_port = dynamic_cast<SlavePort *>(&peer);
+ if (!slave_port) {
+ fatal("Attempt to bind port %s to non-slave port %s.",
+ name(), peer.name());
}
+ // master port keeps track of the slave port
+ _slavePort = slave_port;
+ Port::bind(peer);
+ // slave port also keeps track of master port
+ _slavePort->slaveBind(*this);
}
void
if (_slavePort == NULL)
panic("Attempting to unbind master port %s that is not connected\n",
name());
- _slavePort->unbind();
- _slavePort = NULL;
- _baseSlavePort = NULL;
+ _slavePort->slaveUnbind();
+ _slavePort = nullptr;
+ Port::unbind();
}
AddrRangeList
return _slavePort->getAddrRanges();
}
-Tick
-MasterPort::sendAtomic(PacketPtr pkt)
-{
- assert(pkt->isRequest());
- return _slavePort->recvAtomic(pkt);
-}
-
-void
-MasterPort::sendFunctional(PacketPtr pkt)
-{
- assert(pkt->isRequest());
- return _slavePort->recvFunctional(pkt);
-}
-
-bool
-MasterPort::sendTimingReq(PacketPtr pkt)
-{
- assert(pkt->isRequest());
- return _slavePort->recvTimingReq(pkt);
-}
-
-bool
-MasterPort::sendTimingSnoopResp(PacketPtr pkt)
-{
- assert(pkt->isResponse());
- return _slavePort->recvTimingSnoopResp(pkt);
-}
-
-void
-MasterPort::sendRetryResp()
-{
- _slavePort->recvRespRetry();
-}
-
void
MasterPort::printAddr(Addr a)
{
- Request req(a, 1, 0, Request::funcMasterId);
- Packet pkt(&req, MemCmd::PrintReq);
+ auto req = std::make_shared<Request>(
+ a, 1, 0, Request::funcMasterId);
+
+ Packet pkt(req, MemCmd::PrintReq);
Packet::PrintReqState prs(std::cerr);
pkt.senderState = &prs;
/**
* Slave port
*/
-SlavePort::SlavePort(const std::string& name, MemObject* owner, PortID id)
- : BaseSlavePort(name, owner, id), _masterPort(NULL)
+SlavePort::SlavePort(const std::string& name, SimObject* _owner, PortID id)
+ : Port(name, id), _masterPort(NULL), defaultBackdoorWarned(false),
+ owner(*_owner)
{
}
}
void
-SlavePort::unbind()
+SlavePort::slaveUnbind()
{
- _baseMasterPort = NULL;
_masterPort = NULL;
+ Port::unbind();
}
void
-SlavePort::bind(MasterPort& master_port)
+SlavePort::slaveBind(MasterPort& master_port)
{
- _baseMasterPort = &master_port;
_masterPort = &master_port;
+ Port::bind(master_port);
}
Tick
-SlavePort::sendAtomicSnoop(PacketPtr pkt)
-{
- assert(pkt->isRequest());
- return _masterPort->recvAtomicSnoop(pkt);
-}
-
-void
-SlavePort::sendFunctionalSnoop(PacketPtr pkt)
-{
- assert(pkt->isRequest());
- return _masterPort->recvFunctionalSnoop(pkt);
-}
-
-bool
-SlavePort::sendTimingResp(PacketPtr pkt)
-{
- assert(pkt->isResponse());
- return _masterPort->recvTimingResp(pkt);
-}
-
-void
-SlavePort::sendTimingSnoopReq(PacketPtr pkt)
+SlavePort::recvAtomicBackdoor(PacketPtr pkt, MemBackdoorPtr &backdoor)
{
- assert(pkt->isRequest());
- _masterPort->recvTimingSnoopReq(pkt);
-}
-
-void
-SlavePort::sendRetryReq()
-{
- _masterPort->recvReqRetry();
-}
-
-void
-SlavePort::sendRetrySnoopResp()
-{
- _masterPort->recvRetrySnoopResp();
+ if (!defaultBackdoorWarned) {
+ warn("Port %s doesn't support requesting a back door.", name());
+ defaultBackdoorWarned = true;
+ }
+ return recvAtomic(pkt);
}