#include "debug/AddrRanges.hh"
#include "sim/system.hh"
-PioPort::PioPort(PioDevice *dev)
- : SimpleTimingPort(dev->name() + ".pio", dev), device(dev)
-{
-}
-
-Tick
-PioPort::recvAtomic(PacketPtr pkt)
-{
- // technically the packet only reaches us after the header delay,
- // and typically we also need to deserialise any payload
- Tick receive_delay = pkt->headerDelay + pkt->payloadDelay;
- pkt->headerDelay = pkt->payloadDelay = 0;
-
- const Tick delay(pkt->isRead() ? device->read(pkt) : device->write(pkt));
- assert(pkt->isResponse() || pkt->isError());
- return delay + receive_delay;
-}
-
-AddrRangeList
-PioPort::getAddrRanges() const
-{
- return device->getAddrRanges();
-}
-
PioDevice::PioDevice(const Params *p)
: ClockedObject(p), sys(p->system), pioPort(this)
{}
* must respond to. The device must also provide getAddrRanges() function
* with which it returns the address ranges it is interested in.
*/
+template <class Device>
class PioPort : public SimpleTimingPort
{
protected:
/** The device that this port serves. */
- PioDevice *device;
+ Device *device;
- virtual Tick recvAtomic(PacketPtr pkt);
+ Tick
+ recvAtomic(PacketPtr pkt) override
+ {
+ // Technically the packet only reaches us after the header delay,
+ // and typically we also need to deserialise any payload.
+ Tick receive_delay = pkt->headerDelay + pkt->payloadDelay;
+ pkt->headerDelay = pkt->payloadDelay = 0;
+
+ const Tick delay =
+ pkt->isRead() ? device->read(pkt) : device->write(pkt);
+ assert(pkt->isResponse() || pkt->isError());
+ return delay + receive_delay;
+ }
- virtual AddrRangeList getAddrRanges() const;
+ AddrRangeList
+ getAddrRanges() const override
+ {
+ return device->getAddrRanges();
+ }
public:
-
- PioPort(PioDevice *dev);
+ PioPort(Device *dev) :
+ SimpleTimingPort(dev->name() + ".pio", dev), device(dev)
+ {}
};
/**
/** The pioPort that handles the requests for us and provides us requests
* that it sees. */
- PioPort pioPort;
+ PioPort<PioDevice> pioPort;
/**
* Every PIO device is obliged to provide an implementation that
Port &getPort(const std::string &if_name,
PortID idx=InvalidPortID) override;
- friend class PioPort;
+ friend class PioPort<PioDevice>;
};
*
* @return a list of non-overlapping address ranges
*/
- virtual AddrRangeList getAddrRanges() const;
-
+ AddrRangeList getAddrRanges() const override;
};
#endif // __DEV_IO_DEVICE_HH__