gem5  v22.0.0.2
mm_disk.hh
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2006 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 
34 #ifndef __DEV_SPARC_MM_DISK_HH__
35 #define __DEV_SPARC_MM_DISK_HH__
36 
37 #include "dev/io_device.hh"
39 #include "params/MmDisk.hh"
40 
41 namespace gem5
42 {
43 
44 class MmDisk : public BasicPioDevice
45 {
46  private:
48  off_t curSector;
49  bool dirty;
50  uint8_t diskData[SectorSize];
51 
52  public:
53  using Params = MmDiskParams;
54  MmDisk(const Params &p);
55 
56  Tick read(PacketPtr pkt) override;
57  Tick write(PacketPtr pkt) override;
58 
59  void serialize(CheckpointOut &cp) const override;
60 };
61 
62 } // namespace gem5
63 
64 #endif //__DEV_SPARC_MM_DISK_HH__
io_device.hh
gem5::MmDisk::image
DiskImage * image
Definition: mm_disk.hh:47
SectorSize
#define SectorSize
Definition: disk_image.hh:44
disk_image.hh
gem5::MmDisk::read
Tick read(PacketPtr pkt) override
Pure virtual function that the device must implement.
Definition: mm_disk.cc:57
gem5::DiskImage
Basic interface for accessing a disk image.
Definition: disk_image.hh:52
gem5::PioDevice::Params
PioDeviceParams Params
Definition: io_device.hh:134
gem5::MmDisk::MmDisk
MmDisk(const Params &p)
Definition: mm_disk.cc:49
gem5::MmDisk::diskData
uint8_t diskData[SectorSize]
Definition: mm_disk.hh:50
gem5::VegaISA::p
Bitfield< 54 > p
Definition: pagetable.hh:70
gem5::Packet
A Packet is used to encapsulate a transfer between two objects in the memory system (e....
Definition: packet.hh:291
gem5::Tick
uint64_t Tick
Tick count type.
Definition: types.hh:58
gem5::MmDisk::write
Tick write(PacketPtr pkt) override
Pure virtual function that the device must implement.
Definition: mm_disk.cc:115
gem5::MmDisk
Definition: mm_disk.hh:44
gem5::MmDisk::serialize
void serialize(CheckpointOut &cp) const override
Serialize an object.
Definition: mm_disk.cc:175
gem5::MmDisk::curSector
off_t curSector
Definition: mm_disk.hh:48
gem5::MmDisk::dirty
bool dirty
Definition: mm_disk.hh:49
gem5::CheckpointOut
std::ostream CheckpointOut
Definition: serialize.hh:66
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: gpu_translation_state.hh:37
gem5::BasicPioDevice
Definition: io_device.hh:147

Generated on Thu Jul 28 2022 13:32:32 for gem5 by doxygen 1.8.17