gem5/src/mem/ruby/system/DirectoryMemory.hh
Nathan Binkert 92de70b69a ruby: Import the latest ruby changes from gems.
This was done with an automated process, so there could be things that were
done in this tree in the past that didn't make it.  One known regression
is that atomic memory operations do not seem to work properly anymore.
2009-07-06 15:49:47 -07:00

113 lines
3.4 KiB
C++

/*
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* DirectoryMemory.hh
*
* Description:
*
* $Id$
*
*/
#ifndef DIRECTORYMEMORY_H
#define DIRECTORYMEMORY_H
#include "mem/ruby/common/Global.hh"
#include "mem/ruby/common/Address.hh"
#include "mem/ruby/system/MemoryVector.hh"
#include "mem/protocol/Directory_Entry.hh"
class AbstractController;
class DirectoryMemory {
public:
// Constructors
DirectoryMemory(const string & name);
void init(const vector<string> & argv);
// DirectoryMemory(int version);
// Destructor
~DirectoryMemory();
int mapAddressToLocalIdx(PhysAddress address);
static int mapAddressToDirectoryVersion(PhysAddress address);
int getSize() { return m_size_bytes; }
// Public Methods
void printConfig(ostream& out) const;
static void printGlobalConfig(ostream & out);
bool isPresent(PhysAddress address);
Directory_Entry& lookup(PhysAddress address);
void invalidateBlock(PhysAddress address);
void print(ostream& out) const;
private:
// Private Methods
// Private copy constructor and assignment operator
DirectoryMemory(const DirectoryMemory& obj);
DirectoryMemory& operator=(const DirectoryMemory& obj);
private:
const string m_name;
AbstractController* m_controller;
// Data Members (m_ prefix)
Directory_Entry **m_entries;
// int m_size; // # of memory module blocks this directory is responsible for
uint32 m_size_bytes;
uint32 m_size_bits;
int m_num_entries;
int m_version;
static int m_num_directories;
static int m_num_directories_bits;
static int m_total_size_bytes;
MemoryVector* m_ram;
};
// Output operator declaration
ostream& operator<<(ostream& out, const DirectoryMemory& obj);
// ******************* Definitions *******************
// Output operator definition
extern inline
ostream& operator<<(ostream& out, const DirectoryMemory& obj)
{
obj.print(out);
out << flush;
return out;
}
#endif //DIRECTORYMEMORY_H