diff options
Diffstat (limited to 'src/dev')
-rw-r--r-- | src/dev/io_device.cc | 24 | ||||
-rw-r--r-- | src/dev/io_device.hh | 22 | ||||
-rw-r--r-- | src/dev/pcidev.cc | 32 | ||||
-rw-r--r-- | src/dev/pcidev.hh | 14 |
4 files changed, 8 insertions, 84 deletions
diff --git a/src/dev/io_device.cc b/src/dev/io_device.cc index b06e8b85d..408d8de3e 100644 --- a/src/dev/io_device.cc +++ b/src/dev/io_device.cc @@ -37,20 +37,14 @@ PioPort::PioPort(PioDevice *dev, System *s, std::string pname) - : SimpleTimingPort(dev->name() + pname), device(dev), sys(s) + : SimpleTimingPort(dev->name() + pname), device(dev) { } Tick PioPort::recvAtomic(Packet *pkt) { - return device->recvAtomic(pkt); -} - -void -PioPort::recvFunctional(Packet *pkt) -{ - device->recvAtomic(pkt); + return pkt->isRead() ? device->read(pkt) : device->write(pkt); } void @@ -61,20 +55,6 @@ PioPort::getDeviceAddressRanges(AddrRangeList &resp, AddrRangeList &snoop) } -bool -PioPort::recvTiming(Packet *pkt) -{ - if (pkt->result == Packet::Nacked) { - resendNacked(pkt); - } else { - Tick latency = device->recvAtomic(pkt); - // turn packet around to go back to requester - pkt->makeTimingResponse(); - sendTiming(pkt, latency); - } - return true; -} - PioDevice::~PioDevice() { if (pioPort) diff --git a/src/dev/io_device.hh b/src/dev/io_device.hh index d91304301..df4f494cb 100644 --- a/src/dev/io_device.hh +++ b/src/dev/io_device.hh @@ -56,28 +56,14 @@ class PioPort : public SimpleTimingPort /** The device that this port serves. */ PioDevice *device; - /** The system that device/port are in. This is used to select which mode - * we are currently operating in. */ - System *sys; - - /** The current status of the peer(bus) that we are connected to. */ - Status peerStatus; - - virtual bool recvTiming(Packet *pkt); - virtual Tick recvAtomic(Packet *pkt); - virtual void recvFunctional(Packet *pkt) ; - - virtual void recvStatusChange(Status status) - { peerStatus = status; } - virtual void getDeviceAddressRanges(AddrRangeList &resp, AddrRangeList &snoop); public: - PioPort(PioDevice *dev, System *s, std::string pname = "-pioport"); + PioPort(PioDevice *dev, System *s, std::string pname = "-pioport"); }; @@ -172,12 +158,6 @@ class PioDevice : public MemObject 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. */ - 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. * @param pkt Packet describing this request diff --git a/src/dev/pcidev.cc b/src/dev/pcidev.cc index a8fb44c39..8ea22cb24 100644 --- a/src/dev/pcidev.cc +++ b/src/dev/pcidev.cc @@ -57,8 +57,8 @@ using namespace std; PciDev::PciConfigPort::PciConfigPort(PciDev *dev, int busid, int devid, int funcid, Platform *p) - : PioPort(dev,p->system,"-pciconf"), device(dev), platform(p), - busId(busid), deviceId(devid), functionId(funcid) + : SimpleTimingPort(dev->name() + "-pciconf"), device(dev), platform(p), + busId(busid), deviceId(devid), functionId(funcid) { configAddr = platform->calcConfigAddr(busId, deviceId, functionId); } @@ -70,16 +70,7 @@ PciDev::PciConfigPort::recvAtomic(Packet *pkt) assert(pkt->result == Packet::Unknown); assert(pkt->getAddr() >= configAddr && pkt->getAddr() < configAddr + PCI_CONFIG_SIZE); - return device->recvConfig(pkt); -} - -void -PciDev::PciConfigPort::recvFunctional(Packet *pkt) -{ - assert(pkt->result == Packet::Unknown); - assert(pkt->getAddr() >= configAddr && - pkt->getAddr() < configAddr + PCI_CONFIG_SIZE); - device->recvConfig(pkt); + return pkt->isRead() ? device->readConfig(pkt) : device->writeConfig(pkt); } void @@ -91,23 +82,6 @@ PciDev::PciConfigPort::getDeviceAddressRanges(AddrRangeList &resp, } -bool -PciDev::PciConfigPort::recvTiming(Packet *pkt) -{ - if (pkt->result == Packet::Nacked) { - resendNacked(pkt); - } else { - assert(pkt->result == Packet::Unknown); - 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(); - sendTiming(pkt, latency); - } - return true; -} - PciDev::PciDev(Params *p) : DmaDevice(p), plat(p->platform), configData(p->configData), pioDelay(p->pio_delay), configDelay(p->config_delay), diff --git a/src/dev/pcidev.hh b/src/dev/pcidev.hh index 8e4f003b0..22dd6296e 100644 --- a/src/dev/pcidev.hh +++ b/src/dev/pcidev.hh @@ -78,17 +78,13 @@ class PciConfigData : public SimObject */ class PciDev : public DmaDevice { - class PciConfigPort : public PioPort + class PciConfigPort : public SimpleTimingPort { protected: PciDev *device; - virtual bool recvTiming(Packet *pkt); - virtual Tick recvAtomic(Packet *pkt); - virtual void recvFunctional(Packet *pkt) ; - virtual void getDeviceAddressRanges(AddrRangeList &resp, AddrRangeList &snoop); @@ -102,9 +98,7 @@ class PciDev : public DmaDevice public: PciConfigPort(PciDev *dev, int busid, int devid, int funcid, - Platform *p); - - friend class PioPort::SendEvent; + Platform *p); }; public: @@ -239,10 +233,6 @@ class PciDev : public DmaDevice */ void addressRanges(AddrRangeList &range_list); - /** Do a PCI Configspace memory access. */ - Tick recvConfig(Packet *pkt) - { return pkt->isRead() ? readConfig(pkt) : writeConfig(pkt); } - /** * Constructor for PCI Dev. This function copies data from the * config file object PCIConfigData and registers the device with |