queue_entry.hh

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#ifndef __MEM_CACHE_QUEUE_ENTRY_HH__
#define __MEM_CACHE_QUEUE_ENTRY_HH__
 
#include "base/named.hh"
#include "base/types.hh"
#include "mem/packet.hh"
 
namespace gem5
{
 
class BaseCache;
 
class QueueEntry : public Packet::SenderState, public Named
{
 
    template <class Entry>
    friend class Queue;
 
  protected:
 
    Tick readyTime;
 
    bool _isUncacheable;
 
  public:
    class Target
    {
      public:
        const Tick recvTime;  
        const Tick readyTime; 
        const Counter order;  
        PacketPtr pkt;  
 
        Target(PacketPtr _pkt, Tick ready_time, Counter _order)
            : recvTime(curTick()), readyTime(ready_time), order(_order),
              pkt(_pkt)
        {}
    };
 
    bool inService;
 
    Counter order;
 
    Addr blkAddr;
 
    unsigned blkSize;
 
    bool isSecure;
 
    QueueEntry(const std::string &name)
        : Named(name),
          readyTime(0), _isUncacheable(false),
          inService(false), order(0), blkAddr(0), blkSize(0), isSecure(false)
    {}
 
    bool isUncacheable() const { return _isUncacheable; }
 
    virtual bool matchBlockAddr(const Addr addr, const bool is_secure)
                                                            const = 0;
 
    virtual bool matchBlockAddr(const PacketPtr pkt) const = 0;
 
    virtual bool conflictAddr(const QueueEntry* entry) const = 0;
 
    virtual bool sendPacket(BaseCache &cache) = 0;
 
    virtual Target* getTarget() = 0;
};
 
} // namespace gem5
 
#endif // __MEM_CACHE_QUEUE_ENTRY_HH__