gem5  v20.1.0.0
i8237.hh
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28 
29 #ifndef __DEV_X86_I8237_HH__
30 #define __DEV_X86_I8237_HH__
31 
32 #include "dev/io_device.hh"
33 #include "params/I8237.hh"
34 
35 namespace X86ISA
36 {
37 
38 class I8237 : public BasicPioDevice
39 {
40  protected:
42  uint8_t maskReg;
43 
44  public:
45  typedef I8237Params Params;
46 
47  const Params *
48  params() const
49  {
50  return dynamic_cast<const Params *>(_params);
51  }
52 
53  I8237(Params *p) : BasicPioDevice(p, 16), latency(p->pio_latency), maskReg(0)
54  {
55  }
56  Tick read(PacketPtr pkt) override;
57 
58  Tick write(PacketPtr pkt) override;
59 
60  void serialize(CheckpointOut &cp) const override;
61  void unserialize(CheckpointIn &cp) override;
62 };
63 
64 } // namespace X86ISA
65 
66 #endif //__DEV_X86_I8237_HH__
X86ISA::I8237::maskReg
uint8_t maskReg
Definition: i8237.hh:42
io_device.hh
X86ISA::I8237::serialize
void serialize(CheckpointOut &cp) const override
Serialize an object.
Definition: i8237.cc:128
X86ISA::I8237::I8237
I8237(Params *p)
Definition: i8237.hh:53
Tick
uint64_t Tick
Tick count type.
Definition: types.hh:63
X86ISA::I8237::unserialize
void unserialize(CheckpointIn &cp) override
Unserialize an object.
Definition: i8237.cc:134
cp
Definition: cprintf.cc:40
X86ISA::I8237
Definition: i8237.hh:38
PioDevice::Params
PioDeviceParams Params
Definition: io_device.hh:131
X86ISA::I8237::write
Tick write(PacketPtr pkt) override
Pure virtual function that the device must implement.
Definition: i8237.cc:70
X86ISA
This is exposed globally, independent of the ISA.
Definition: acpi.hh:55
X86ISA::I8237::latency
Tick latency
Definition: i8237.hh:41
X86ISA::I8237::Params
I8237Params Params
Definition: i8237.hh:45
X86ISA::p
Bitfield< 0 > p
Definition: pagetable.hh:151
SimObject::_params
const SimObjectParams * _params
Cached copy of the object parameters.
Definition: sim_object.hh:110
Packet
A Packet is used to encapsulate a transfer between two objects in the memory system (e....
Definition: packet.hh:257
BasicPioDevice
Definition: io_device.hh:150
X86ISA::I8237::params
const Params * params() const
Definition: i8237.hh:48
CheckpointOut
std::ostream CheckpointOut
Definition: serialize.hh:63
X86ISA::I8237::read
Tick read(PacketPtr pkt) override
Pure virtual function that the device must implement.
Definition: i8237.cc:35
CheckpointIn
Definition: serialize.hh:67

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