FreeNOS
Cache.h
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1 /*
2  * Copyright (C) 2015 Niek Linnenbank
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef __LIBARCH_CACHE_H
19 #define __LIBARCH_CACHE_H
20 
21 #include <Types.h>
22 #include <Macros.h>
23 
35 class Cache
36 {
37  public:
38 
42  enum Result
43  {
48  };
49 
53  enum Type
54  {
58  };
59 
60  public:
61 
68  virtual Result invalidate(Type type) = 0;
69 
79  virtual Result cleanInvalidate(Type type) = 0;
80 
88  virtual Result cleanInvalidateAddress(Type type, Address addr) = 0;
89 
97  virtual Result cleanAddress(Type type, Address addr) = 0;
98 
107  virtual Result invalidateAddress(Type type, Address addr) = 0;
108 
115  virtual Result cleanData(Address addr);
116 
123  virtual Result cleanData(void *ptr);
124 };
125 
131 #endif /* __LIBARCH_CACHE_H */
Cache::Type
Type
Cache types.
Definition: Cache.h:53
Cache::invalidate
virtual Result invalidate(Type type)=0
Invalidate the entire cache.
Macros.h
Cache::cleanAddress
virtual Result cleanAddress(Type type, Address addr)=0
Clean one memory page.
Cache::IOError
@ IOError
Definition: Cache.h:46
Types.h
Cache::Data
@ Data
Definition: Cache.h:56
Address
unsigned long Address
A memory address.
Definition: Types.h:131
Cache::NotSupported
@ NotSupported
Definition: Cache.h:47
Cache::Success
@ Success
Definition: Cache.h:44
Cache::cleanData
virtual Result cleanData(Address addr)
Clean one data page.
Definition: Cache.cpp:20
Cache::cleanInvalidateAddress
virtual Result cleanInvalidateAddress(Type type, Address addr)=0
Clean and invalidate one memory page.
Cache::invalidateAddress
virtual Result invalidateAddress(Type type, Address addr)=0
Invalidate one memory page.
Cache::InvalidArgument
@ InvalidArgument
Definition: Cache.h:45
Cache::Result
Result
Result codes.
Definition: Cache.h:42
Cache::cleanInvalidate
virtual Result cleanInvalidate(Type type)=0
Clean and invalidate entire cache.
Cache::Unified
@ Unified
Definition: Cache.h:57
type
u8 type
Definition: IntelACPI.h:63
Cache
Cache management interface.
Definition: Cache.h:35
Cache::Instruction
@ Instruction
Definition: Cache.h:55