8b552e9892d0aed5d3707b44bc79697a430505d8
2 * Copyright (c) 2004 The Regents of The University of Michigan
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30 * BadDevice implemenation
37 #include "base/trace.hh"
38 #include "cpu/exec_context.hh"
39 #include "dev/baddev.hh"
40 #include "mem/bus/bus.hh"
41 #include "mem/bus/pio_interface.hh"
42 #include "mem/bus/pio_interface_impl.hh"
43 #include "mem/functional_mem/memory_control.hh"
44 #include "sim/builder.hh"
45 #include "sim/system.hh"
49 BadDevice::BadDevice(const string
&name
, Addr a
, MemoryController
*mmu
,
50 HierParams
*hier
, Bus
*bus
, const string
&devicename
)
51 : PioDevice(name
), addr(a
), devname(devicename
)
53 mmu
->add_child(this, Range
<Addr
>(addr
, addr
+ size
));
56 pioInterface
= newPioInterface(name
, hier
, bus
, this,
57 &BadDevice::cacheAccess
);
58 pioInterface
->addAddrRange(addr
, addr
+ size
- 1);
64 BadDevice::read(MemReqPtr
&req
, uint8_t *data
)
67 panic("Device %s not imlpmented\n", devname
);
72 BadDevice::write(MemReqPtr
&req
, const uint8_t *data
)
74 panic("Device %s not imlpmented\n", devname
);
79 BadDevice::cacheAccess(MemReqPtr
&req
)
81 return curTick
+ 1000;
84 BEGIN_DECLARE_SIM_OBJECT_PARAMS(BadDevice
)
86 SimObjectParam
<MemoryController
*> mmu
;
88 SimObjectParam
<HierParams
*> hier
;
89 SimObjectParam
<Bus
*> io_bus
;
90 Param
<string
> devicename
;
92 END_DECLARE_SIM_OBJECT_PARAMS(BadDevice
)
94 BEGIN_INIT_SIM_OBJECT_PARAMS(BadDevice
)
96 INIT_PARAM(mmu
, "Memory Controller"),
97 INIT_PARAM(addr
, "Device Address"),
98 INIT_PARAM_DFLT(hier
, "Hierarchy global variables", &defaultHierParams
),
99 INIT_PARAM_DFLT(io_bus
, "The IO Bus to attach to", NULL
),
100 INIT_PARAM(devicename
, "Name of device to error on")
102 END_INIT_SIM_OBJECT_PARAMS(BadDevice
)
104 CREATE_SIM_OBJECT(BadDevice
)
106 return new BadDevice(getInstanceName(), addr
, mmu
, hier
, io_bus
, devicename
);
109 REGISTER_SIM_OBJECT("BadDevice", BadDevice
)