#include <inttypes.h>
#include <queue>
+#include "base/fast_alloc.hh"
#include "mem/mem_object.hh"
#include "mem/packet.hh"
#include "mem/port.hh"
/** Min delay to respond to a nack. */
Tick nackDelay;
- bool fixPartialWrite;
+ /** Pass ranges from one side of the bridge to the other? */
+ std::vector<Range<Addr> > filterRanges;
- class PacketBuffer : public Packet::SenderState {
+ class PacketBuffer : public Packet::SenderState, public FastAlloc {
public:
Tick ready;
PacketPtr pkt;
+ bool nackedHere;
Packet::SenderState *origSenderState;
short origSrc;
bool expectResponse;
PacketBuffer(PacketPtr _pkt, Tick t, bool nack = false)
- : ready(t), pkt(_pkt),
- origSenderState(_pkt->senderState), origSrc(_pkt->getSrc()),
+ : ready(t), pkt(_pkt), nackedHere(nack),
+ origSenderState(_pkt->senderState),
+ origSrc(nack ? _pkt->getDest() : _pkt->getSrc() ),
expectResponse(_pkt->needsResponse() && !nack)
{
- if (!pkt->isResponse() && !nack && pkt->result != Packet::Nacked)
+ if (!pkt->isResponse() && !nack)
pkt->senderState = this;
}
BridgePort *port;
public:
- SendEvent(BridgePort *p)
- : Event(&mainEventQueue), port(p) {}
-
+ SendEvent(BridgePort *p) : port(p) {}
virtual void process() { port->trySend(); }
-
- virtual const char *description() { return "bridge send event"; }
+ virtual const char *description() const { return "bridge send"; }
};
SendEvent sendEvent;
/** Constructor for the BusPort.*/
BridgePort(const std::string &_name, Bridge *_bridge,
BridgePort *_otherPort, int _delay, int _nack_delay,
- int _req_limit, int _resp_limit, bool fix_partial_write);
+ int _req_limit, int _resp_limit,
+ std::vector<Range<Addr> > filter_ranges);
protected: