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/*
* 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.
*/
/*
* TimerTable.hh
*
* Description:
*
* $Id$
*
*/
#ifndef TIMERTABLE_H
#define TIMERTABLE_H
#include "mem/ruby/common/Global.hh"
#include "mem/gems_common/Map.hh"
#include "mem/ruby/common/Address.hh"
class Consumer;
class TimerTable {
public:
// Constructors
TimerTable();
// Destructor
//~TimerTable();
// Class Methods
static void printConfig(ostream& out) {}
// Public Methods
void setConsumer(Consumer* consumer_ptr) { ASSERT(m_consumer_ptr==NULL); m_consumer_ptr = consumer_ptr; }
void setDescription(const string& name) { m_name = name; }
bool isReady() const;
const Address& readyAddress() const;
bool isSet(const Address& address) const { return m_map.exist(address); }
void set(const Address& address, Time relative_latency);
void unset(const Address& address);
void print(ostream& out) const;
private:
// Private Methods
void updateNext() const;
// Private copy constructor and assignment operator
TimerTable(const TimerTable& obj);
TimerTable& operator=(const TimerTable& obj);
// Data Members (m_prefix)
Map<Address, Time> m_map;
mutable bool m_next_valid;
mutable Time m_next_time; // Only valid if m_next_valid is true
mutable Address m_next_address; // Only valid if m_next_valid is true
Consumer* m_consumer_ptr; // Consumer to signal a wakeup()
string m_name;
};
// ******************* Definitions *******************
// Output operator definition
extern inline
ostream& operator<<(ostream& out, const TimerTable& obj)
{
obj.print(out);
out << flush;
return out;
}
#endif //TIMERTABLE_H
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