c00ee0adbc859bccfde205dcda7af0a7dbb52107
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
5 * Redistribution and use in source and binary forms, with or without
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14 * this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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30 * Isa Fake Device implementation
37 #include "base/trace.hh"
38 #include "dev/isa_fake.hh"
39 #include "mem/packet.hh"
40 #include "sim/builder.hh"
41 #include "sim/system.hh"
45 IsaFake::IsaFake(Params
*p
)
48 pioSize
= p
->pio_size
;
52 IsaFake::read(Packet
*pkt
)
54 assert(pkt
->result
== Packet::Unknown
);
55 assert(pkt
->getAddr() >= pioAddr
&& pkt
->getAddr() < pioAddr
+ pioSize
);
57 DPRINTF(Tsunami
, "read va=%#x size=%d\n", pkt
->getAddr(), pkt
->getSize());
59 switch (pkt
->getSize()) {
60 pkt
->set(0xFFFFFFFFFFFFFFFFULL
);
62 case sizeof(uint32_t):
63 pkt
->set((uint32_t)0xFFFFFFFF);
65 case sizeof(uint16_t):
66 pkt
->set((uint16_t)0xFFFF);
69 pkt
->set((uint8_t)0xFF);
72 panic("invalid access size(?) for PCI configspace!\n");
74 pkt
->result
= Packet::Success
;
79 IsaFake::write(Packet
*pkt
)
81 DPRINTF(Tsunami
, "write - va=%#x size=%d \n", pkt
->getAddr(), pkt
->getSize());
82 pkt
->result
= Packet::Success
;
86 BEGIN_DECLARE_SIM_OBJECT_PARAMS(IsaFake
)
89 Param
<Tick
> pio_latency
;
91 SimObjectParam
<Platform
*> platform
;
92 SimObjectParam
<System
*> system
;
94 END_DECLARE_SIM_OBJECT_PARAMS(IsaFake
)
96 BEGIN_INIT_SIM_OBJECT_PARAMS(IsaFake
)
98 INIT_PARAM(pio_addr
, "Device Address"),
99 INIT_PARAM(pio_latency
, "Programmed IO latency"),
100 INIT_PARAM(pio_size
, "Size of address range"),
101 INIT_PARAM(platform
, "platform"),
102 INIT_PARAM(system
, "system object")
104 END_INIT_SIM_OBJECT_PARAMS(IsaFake
)
106 CREATE_SIM_OBJECT(IsaFake
)
108 IsaFake::Params
*p
= new IsaFake::Params
;
109 p
->name
= getInstanceName();
110 p
->pio_addr
= pio_addr
;
111 p
->pio_delay
= pio_latency
;
112 p
->pio_size
= pio_size
;
113 p
->platform
= platform
;
115 return new IsaFake(p
);
118 REGISTER_SIM_OBJECT("IsaFake", IsaFake
)