#ifndef __DEV_IO_DEVICE_HH__
#define __DEV_IO_DEVICE_HH__
-#include "base/chunk_generator.hh"
#include "mem/mem_object.hh"
#include "mem/packet_impl.hh"
-#include "sim/eventq.hh"
#include "sim/sim_object.hh"
#include "mem/tport.hh"
+class Event;
class Platform;
class PioDevice;
class DmaDevice;
* sensitive to an address range use. The port takes all the memory
* access types and roles them into one read() and write() call that the device
* must respond to. The device must also provide the addressRanges() function
- * with which it returns the address ranges it is interested in. */
-
+ * with which it returns the address ranges it is interested in.
+ */
class PioPort : public SimpleTimingPort
{
protected:
virtual void recvStatusChange(Status status)
{ peerStatus = status; }
- virtual void getDeviceAddressRanges(AddrRangeList &resp, AddrRangeList &snoop);
+ virtual void getDeviceAddressRanges(AddrRangeList &resp,
+ AddrRangeList &snoop);
public:
PioPort(PioDevice *dev, System *s, std::string pname = "-pioport");
virtual void recvRetry() ;
- virtual void getDeviceAddressRanges(AddrRangeList &resp, AddrRangeList &snoop)
+ virtual void getDeviceAddressRanges(AddrRangeList &resp,
+ AddrRangeList &snoop)
{ resp.clear(); snoop.clear(); }
void sendDma(Packet *pkt, bool front = false);
* mode we are in, etc is handled by the PioPort so the device doesn't have to
* bother.
*/
-
class PioDevice : public MemObject
{
protected:
virtual void addressRanges(AddrRangeList &range_list) = 0;
- /** As far as the devices are concerned they only accept atomic transactions
- * which are converted to either a write or a read. */
+ /** As far as the devices are concerned they only accept atomic
+ * transactions which are converted to either a write or a
+ * read. */
Tick recvAtomic(Packet *pkt)
{ return pkt->isRead() ? this->read(pkt) : this->write(pkt); }
- /** Pure virtual function that the device must implement. Called when a read
- * command is recieved by the port.
+ /** Pure virtual function that the device must implement. Called
+ * when a read command is recieved by the port.
* @param pkt Packet describing this request
* @return number of ticks it took to complete
*/
virtual Tick write(Packet *pkt) = 0;
public:
- /** Params struct which is extended through each device based on the
- * parameters it needs. Since we are re-writing everything, we might as well
- * start from the bottom this time. */
-
+ /** Params struct which is extended through each device based on
+ * the parameters it needs. Since we are re-writing everything, we
+ * might as well start from the bottom this time. */
struct Params
{
std::string name;
public:
BasicPioDevice(Params *p)
- : PioDevice(p), pioAddr(p->pio_addr), pioSize(0), pioDelay(p->pio_delay)
+ : PioDevice(p), pioAddr(p->pio_addr), pioSize(0),
+ pioDelay(p->pio_delay)
{}
/** return the address ranges that this device responds to.
#include <vector>
#include "base/inifile.hh"
+#include "base/intmath.hh" // for isPowerOf2(
#include "base/misc.hh"
#include "base/str.hh" // for to_number
#include "base/trace.hh"
PciDev::PciConfigPort::recvAtomic(Packet *pkt)
{
assert(pkt->result == Packet::Unknown);
- assert(pkt->getAddr() >= configAddr && pkt->getAddr() < configAddr +
- PCI_CONFIG_SIZE);
+ assert(pkt->getAddr() >= configAddr &&
+ pkt->getAddr() < configAddr + PCI_CONFIG_SIZE);
return device->recvConfig(pkt);
}
PciDev::PciConfigPort::recvFunctional(Packet *pkt)
{
assert(pkt->result == Packet::Unknown);
- assert(pkt->getAddr() >= configAddr && pkt->getAddr() < configAddr +
- PCI_CONFIG_SIZE);
+ assert(pkt->getAddr() >= configAddr &&
+ pkt->getAddr() < configAddr + PCI_CONFIG_SIZE);
device->recvConfig(pkt);
}
resendNacked(pkt);
} else {
assert(pkt->result == Packet::Unknown);
- assert(pkt->getAddr() >= configAddr && pkt->getAddr() < configAddr +
- PCI_CONFIG_SIZE);
+ assert(pkt->getAddr() >= configAddr &&
+ pkt->getAddr() < configAddr + PCI_CONFIG_SIZE);
Tick latency = device->recvConfig(pkt);
// turn packet around to go back to requester
pkt->makeTimingResponse();
class SimpleTimingPort : public Port
{
protected:
- /** A list of outgoing timing response packets that haven't been serviced
- * yet. */
+ /** A list of outgoing timing response packets that haven't been
+ * serviced yet. */
std::list<Packet*> transmitList;
/**
- * This class is used to implemented sendTiming() with a delay. When a delay
- * is requested a new event is created. When the event time expires it
- * attempts to send the packet. If it cannot, the packet is pushed onto the
- * transmit list to be sent when recvRetry() is called. */
+ * This class is used to implemented sendTiming() with a delay. When
+ * a delay is requested a new event is created. When the event time
+ * expires it attempts to send the packet. If it cannot, the packet
+ * is pushed onto the transmit list to be sent when recvRetry() is
+ * called. */
class SendEvent : public Event
{
SimpleTimingPort *port;
Packet *packet;
+ public:
SendEvent(SimpleTimingPort *p, Packet *pkt, Tick t)
: Event(&mainEventQueue), port(p), packet(pkt)
{ setFlags(AutoDelete); schedule(curTick + t); }
virtual const char *description()
{ return "Future scheduled sendTiming event"; }
-
- friend class SimpleTimingPort;
};
{}
unsigned int drain(Event *de);
-
- friend class SimpleTimingPort::SendEvent;
};
#endif // __MEM_TPORT_HH__