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Diffstat (limited to 'src/mem/ruby/system/NodePersistentTable.hh')
-rw-r--r-- | src/mem/ruby/system/NodePersistentTable.hh | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/mem/ruby/system/NodePersistentTable.hh b/src/mem/ruby/system/NodePersistentTable.hh new file mode 100644 index 000000000..32de2613e --- /dev/null +++ b/src/mem/ruby/system/NodePersistentTable.hh @@ -0,0 +1,99 @@ + +/* + * 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. + */ + +/* + * $Id: NodePersistentTable.h 1.3 04/08/16 14:12:33-05:00 beckmann@c2-143.cs.wisc.edu $ + * + * Description: + * + */ + +#ifndef NodePersistentTable_H +#define NodePersistentTable_H + +#include "mem/ruby/common/Global.hh" +#include "mem/ruby/system/NodeID.hh" +#include "mem/protocol/AccessType.hh" + +class AbstractChip; + +template <class KEY_TYPE, class VALUE_TYPE> class Map; +class Address; +class NodePersistentTableEntry; + +class NodePersistentTable { +public: + // Constructors + NodePersistentTable(AbstractChip* chip_ptr, int version); + + // Destructor + ~NodePersistentTable(); + + // Public Methods + void persistentRequestLock(const Address& address, NodeID locker, AccessType type); + void persistentRequestUnlock(const Address& address, NodeID unlocker); + bool okToIssueStarving(const Address& address) const; + NodeID findSmallest(const Address& address) const; + AccessType typeOfSmallest(const Address& address) const; + void markEntries(const Address& address); + bool isLocked(const Address& addr) const; + int countStarvingForAddress(const Address& addr) const; + int countReadStarvingForAddress(const Address& addr) const; + + static void printConfig(ostream& out) {} + + void print(ostream& out) const; +private: + // Private Methods + + // Private copy constructor and assignment operator + NodePersistentTable(const NodePersistentTable& obj); + NodePersistentTable& operator=(const NodePersistentTable& obj); + + // Data Members (m_prefix) + Map<Address, NodePersistentTableEntry>* m_map_ptr; + AbstractChip* m_chip_ptr; + int m_version; +}; + +// Output operator declaration +ostream& operator<<(ostream& out, const NodePersistentTable& obj); + +// ******************* Definitions ******************* + +// Output operator definition +extern inline +ostream& operator<<(ostream& out, const NodePersistentTable& obj) +{ + obj.print(out); + out << flush; + return out; +} + +#endif //NodePersistentTable_H |