gem5  v22.1.0.0
simple_disk.hh
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2001-2005 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 
29 /* @file
30  * Simple disk interface for the system console
31  */
32 
33 #ifndef __DEV_STORAGE_SIMPLE_DISK_HH__
34 #define __DEV_STORAGE_SIMPLE_DISK_HH__
35 
36 #include "params/SimpleDisk.hh"
37 #include "sim/sim_object.hh"
38 
39 namespace gem5
40 {
41 
42 class DiskImage;
43 class System;
44 
45 /*
46  * Trivial interface to a disk image used by the System Console
47  */
48 class SimpleDisk : public SimObject
49 {
50  public:
51  typedef uint64_t baddr_t;
52 
53  protected:
56 
57  public:
58  typedef SimpleDiskParams Params;
59  SimpleDisk(const Params &p);
60  ~SimpleDisk();
61 
62  void read(Addr addr, baddr_t block, int count) const;
63  void write(Addr addr, baddr_t block, int count);
64 };
65 
66 } // namespace gem5
67 
68 #endif // __DEV_STORAGE_SIMPLE_DISK_HH__
Basic interface for accessing a disk image.
Definition: disk_image.hh:53
Abstract superclass for simulation objects.
Definition: sim_object.hh:148
void read(Addr addr, baddr_t block, int count) const
Definition: simple_disk.cc:63
SimpleDisk(const Params &p)
Definition: simple_disk.cc:54
SimpleDiskParams Params
Definition: simple_disk.hh:58
uint64_t baddr_t
Definition: simple_disk.hh:51
void write(Addr addr, baddr_t block, int count)
Definition: simple_disk.cc:82
DiskImage * image
Definition: simple_disk.hh:55
Bitfield< 54 > p
Definition: pagetable.hh:70
Bitfield< 3 > addr
Definition: types.hh:84
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:147

Generated on Wed Dec 21 2022 10:22:35 for gem5 by doxygen 1.9.1