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-rw-r--r--src/dev/io_device.hh134
1 files changed, 0 insertions, 134 deletions
diff --git a/src/dev/io_device.hh b/src/dev/io_device.hh
index 0e6556a50..3f2802332 100644
--- a/src/dev/io_device.hh
+++ b/src/dev/io_device.hh
@@ -44,18 +44,12 @@
#ifndef __DEV_IO_DEVICE_HH__
#define __DEV_IO_DEVICE_HH__
-#include "base/fast_alloc.hh"
#include "mem/mem_object.hh"
-#include "mem/packet.hh"
#include "mem/tport.hh"
#include "params/BasicPioDevice.hh"
-#include "params/DmaDevice.hh"
#include "params/PioDevice.hh"
-#include "sim/sim_object.hh"
-class Event;
class PioDevice;
-class DmaDevice;
class System;
/**
@@ -80,91 +74,6 @@ class PioPort : public SimpleTimingPort
PioPort(PioDevice *dev);
};
-
-class DmaPort : public MasterPort
-{
- protected:
- struct DmaReqState : public Packet::SenderState, public FastAlloc
- {
- /** Event to call on the device when this transaction (all packets)
- * complete. */
- Event *completionEvent;
-
- /** Where we came from for some sanity checking. */
- Port *outPort;
-
- /** Total number of bytes that this transaction involves. */
- Addr totBytes;
-
- /** Number of bytes that have been acked for this transaction. */
- Addr numBytes;
-
- /** Amount to delay completion of dma by */
- Tick delay;
-
-
- DmaReqState(Event *ce, Port *p, Addr tb, Tick _delay)
- : completionEvent(ce), outPort(p), totBytes(tb), numBytes(0),
- delay(_delay)
- {}
- };
-
- MemObject *device;
- std::list<PacketPtr> transmitList;
-
- /** The system that device/port are in. This is used to select which mode
- * we are currently operating in. */
- System *sys;
-
- /** Id for all requests */
- MasterID masterId;
-
- /** Number of outstanding packets the dma port has. */
- int pendingCount;
-
- /** If a dmaAction is in progress. */
- int actionInProgress;
-
- /** If we need to drain, keep the drain event around until we're done
- * here.*/
- Event *drainEvent;
-
- /** time to wait between sending another packet, increases as NACKs are
- * recived, decreases as responses are recived. */
- Tick backoffTime;
-
- /** Minimum time that device should back off for after failed sendTiming */
- Tick minBackoffDelay;
-
- /** Maximum time that device should back off for after failed sendTiming */
- Tick maxBackoffDelay;
-
- /** If the port is currently waiting for a retry before it can send whatever
- * it is that it's sending. */
- bool inRetry;
-
- virtual bool recvTimingResp(PacketPtr pkt);
-
- virtual void recvRetry() ;
-
- void queueDma(PacketPtr pkt, bool front = false);
- void sendDma();
-
- /** event to give us a kick every time we backoff time is reached. */
- EventWrapper<DmaPort, &DmaPort::sendDma> backoffEvent;
-
- public:
- DmaPort(MemObject *dev, System *s, Tick min_backoff, Tick max_backoff);
-
- void dmaAction(Packet::Command cmd, Addr addr, int size, Event *event,
- uint8_t *data, Tick delay, Request::Flags flag = 0);
-
- bool dmaPending() { return pendingCount > 0; }
-
- unsigned cacheBlockSize() const { return peerBlockSize(); }
- unsigned int drain(Event *de);
-};
-
/**
* This device is the base class which all devices senstive to an address range
* inherit from. There are three pure virtual functions which all devices must
@@ -255,47 +164,4 @@ class BasicPioDevice : public PioDevice
};
-class DmaDevice : public PioDevice
-{
- protected:
- DmaPort dmaPort;
-
- public:
- typedef DmaDeviceParams Params;
- DmaDevice(const Params *p);
- virtual ~DmaDevice();
-
- const Params *
- params() const
- {
- return dynamic_cast<const Params *>(_params);
- }
-
- void dmaWrite(Addr addr, int size, Event *event, uint8_t *data,
- Tick delay = 0)
- {
- dmaPort.dmaAction(MemCmd::WriteReq, addr, size, event, data, delay);
- }
-
- void dmaRead(Addr addr, int size, Event *event, uint8_t *data,
- Tick delay = 0)
- {
- dmaPort.dmaAction(MemCmd::ReadReq, addr, size, event, data, delay);
- }
-
- bool dmaPending() { return dmaPort.dmaPending(); }
-
- virtual void init();
-
- virtual unsigned int drain(Event *de);
-
- unsigned cacheBlockSize() const { return dmaPort.cacheBlockSize(); }
-
- virtual MasterPort &getMasterPort(const std::string &if_name,
- int idx = -1);
-
- friend class DmaPort;
-};
-
-
#endif // __DEV_IO_DEVICE_HH__