gem5 v24.0.0.0
Loading...
Searching...
No Matches
isa_fake.hh
Go to the documentation of this file.
1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
33#ifndef __ISA_FAKE_HH__
34#define __ISA_FAKE_HH__
35
36#include <string>
37
38#include "dev/io_device.hh"
39#include "mem/packet.hh"
40#include "params/IsaFake.hh"
41
42namespace gem5
43{
44
52class 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:
62
67 IsaFake(const Params &p);
68
74 virtual Tick read(PacketPtr pkt);
75
81 virtual Tick write(PacketPtr pkt);
82};
83
84} // namespace gem5
85
86#endif // __ISA_FAKE_HH__
IsaFake is a device that returns, BadAddr, 1 or 0 on all reads and rites.
Definition isa_fake.hh:53
virtual Tick write(PacketPtr pkt)
All writes are simply ignored.
Definition isa_fake.cc:93
uint32_t retData32
Definition isa_fake.hh:57
PARAMS(IsaFake)
virtual Tick read(PacketPtr pkt)
This read always returns -1.
Definition isa_fake.cc:54
IsaFake(const Params &p)
The constructor for Isa Fake just registers itself with the MMU.
Definition isa_fake.cc:44
uint64_t retData64
Definition isa_fake.hh:58
uint16_t retData16
Definition isa_fake.hh:56
uint8_t retData8
Definition isa_fake.hh:55
A Packet is used to encapsulate a transfer between two objects in the memory system (e....
Definition packet.hh:295
PioDeviceParams Params
Definition io_device.hh:134
Bitfield< 0 > p
Copyright (c) 2024 - Pranith Kumar Copyright (c) 2020 Inria All rights reserved.
Definition binary32.hh:36
uint64_t Tick
Tick count type.
Definition types.hh:58
Declaration of the Packet class.

Generated on Tue Jun 18 2024 16:24:03 for gem5 by doxygen 1.11.0