Implement device that will return BadAddress.
--HG-- extra : convert_revision : d833c20f691e01c84a0678f19f7d83f3ee50c0c1
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@ -88,6 +88,38 @@ IsaFake::write(PacketPtr pkt)
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return pioDelay;
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}
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BadAddr::BadAddr(Params *p)
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: BasicPioDevice(p)
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{
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}
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void
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BadAddr::init()
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{
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// Only init this device if it's connected to anything.
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if (pioPort)
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PioDevice::init();
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}
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Tick
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BadAddr::read(PacketPtr pkt)
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{
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assert(pkt->result == Packet::Unknown);
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DPRINTF(Tsunami, "read to bad address va=%#x size=%d\n",
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pkt->getAddr(), pkt->getSize());
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pkt->result = Packet::BadAddress;
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return pioDelay;
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}
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Tick
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BadAddr::write(PacketPtr pkt)
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{
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DPRINTF(Tsunami, "write to bad address va=%#x size=%d \n",
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pkt->getAddr(), pkt->getSize());
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pkt->result = Packet::BadAddress;
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return pioDelay;
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}
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BEGIN_DECLARE_SIM_OBJECT_PARAMS(IsaFake)
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Param<Addr> pio_addr;
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@ -121,3 +153,34 @@ CREATE_SIM_OBJECT(IsaFake)
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}
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REGISTER_SIM_OBJECT("IsaFake", IsaFake)
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BEGIN_DECLARE_SIM_OBJECT_PARAMS(BadAddr)
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Param<Addr> pio_addr;
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Param<Tick> pio_latency;
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SimObjectParam<Platform *> platform;
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SimObjectParam<System *> system;
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END_DECLARE_SIM_OBJECT_PARAMS(BadAddr)
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BEGIN_INIT_SIM_OBJECT_PARAMS(BadAddr)
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INIT_PARAM(pio_addr, "Device Address"),
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INIT_PARAM(pio_latency, "Programmed IO latency"),
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INIT_PARAM(platform, "platform"),
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INIT_PARAM(system, "system object")
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END_INIT_SIM_OBJECT_PARAMS(BadAddr)
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CREATE_SIM_OBJECT(BadAddr)
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{
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BadAddr::Params *p = new BadAddr::Params;
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p->name = getInstanceName();
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p->pio_addr = pio_addr;
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p->pio_delay = pio_latency;
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p->platform = platform;
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p->system = system;
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return new BadAddr(p);
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}
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REGISTER_SIM_OBJECT("BadAddr", BadAddr)
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@ -79,4 +79,21 @@ class IsaFake : public BasicPioDevice
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virtual Tick write(PacketPtr pkt);
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};
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/**
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* BadAddr is a device that fills the packet's result field with "BadAddress".
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* @todo: Consider consolidating with IsaFake and similar classes.
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*/
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class BadAddr : public BasicPioDevice
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{
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public:
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struct Params : public BasicPioDevice::Params
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{
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};
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BadAddr(Params *p);
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virtual void init();
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virtual Tick read(PacketPtr pkt);
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virtual Tick write(PacketPtr pkt);
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};
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#endif // __TSUNAMI_FAKE_HH__
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