atomic.hh

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#ifndef __MEM_GEM5_PROTOCOL_ATOMIC_HH__
#define __MEM_GEM5_PROTOCOL_ATOMIC_HH__
 
#include "mem/backdoor.hh"
#include "mem/packet.hh"
 
namespace gem5
{
 
class AtomicResponseProtocol;
 
class AtomicRequestProtocol
{
    friend class AtomicResponseProtocol;
 
  protected:
    Tick send(AtomicResponseProtocol *peer, PacketPtr pkt);

    Tick sendBackdoor(AtomicResponseProtocol *peer, PacketPtr pkt,
                      MemBackdoorPtr &backdoor);

    virtual Tick recvAtomicSnoop(PacketPtr pkt) = 0;
};
 
class AtomicResponseProtocol
{
    friend class AtomicRequestProtocol;
 
  protected:
    Tick sendSnoop(AtomicRequestProtocol *peer, PacketPtr pkt);

    virtual Tick recvAtomic(PacketPtr pkt) = 0;

    virtual Tick recvAtomicBackdoor(
            PacketPtr pkt, MemBackdoorPtr &backdoor) = 0;
};
 
} // namespace gem5
 
#endif //__MEM_GEM5_PROTOCOL_ATOMIC_HH__