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isa_fake.hh
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28  * Authors: Ali Saidi
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30 
35 #ifndef __ISA_FAKE_HH__
36 #define __ISA_FAKE_HH__
37 
38 #include <string>
39 
40 #include "dev/io_device.hh"
41 // #include "dev/alpha/tsunami.hh"
42 #include "mem/packet.hh"
43 #include "params/IsaFake.hh"
44 
52 class IsaFake : public BasicPioDevice
53 {
54  protected:
55  uint8_t retData8;
56  uint16_t retData16;
57  uint32_t retData32;
58  uint64_t retData64;
59 
60  public:
61  typedef IsaFakeParams Params;
62  const Params *
63  params() const
64  {
65  return dynamic_cast<const Params *>(_params);
66  }
71  IsaFake(Params *p);
72 
78  virtual Tick read(PacketPtr pkt);
79 
85  virtual Tick write(PacketPtr pkt);
86 };
87 
88 #endif // __ISA_FAKE_HH__
IsaFake is a device that returns, BadAddr, 1 or 0 on all reads and rites.
Definition: isa_fake.hh:52
PioDeviceParams Params
Definition: io_device.hh:116
uint8_t retData8
Definition: isa_fake.hh:55
uint64_t Tick
Tick count type.
Definition: types.hh:63
uint64_t retData64
Definition: isa_fake.hh:58
virtual Tick read(PacketPtr pkt)
This read always returns -1.
Definition: isa_fake.cc:55
virtual Tick write(PacketPtr pkt)
All writes are simply ignored.
Definition: isa_fake.cc:94
A Packet is used to encapsulate a transfer between two objects in the memory system (e...
Definition: packet.hh:245
uint32_t retData32
Definition: isa_fake.hh:57
Declaration of the Packet class.
IsaFake(Params *p)
The constructor for Isa Fake just registers itself with the MMU.
Definition: isa_fake.cc:45
const SimObjectParams * _params
Cached copy of the object parameters.
Definition: sim_object.hh:107
IsaFakeParams Params
Definition: isa_fake.hh:61
uint16_t retData16
Definition: isa_fake.hh:56
Bitfield< 0 > p
const Params * params() const
Definition: isa_fake.hh:63

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