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-/*
- * Copyright (c) 2012 Advanced Micro Devices, Inc.
- * 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.
- *
- * Author: Brad Beckmann
- *
- */
-
-#ifndef __MEM_RUBY_SYSTEM_BANKEDARRAY_HH__
-#define __MEM_RUBY_SYSTEM_BANKEDARRAY_HH__
-
-#include <vector>
-
-#include "mem/ruby/common/TypeDefines.hh"
-#include "sim/core.hh"
-
-class BankedArray
-{
- private:
- unsigned int banks;
- Cycles accessLatency;
- unsigned int bankBits;
- unsigned int startIndexBit;
-
- class AccessRecord
- {
- public:
- AccessRecord() : idx(0), startAccess(0), endAccess(0) {}
- Index idx;
- Tick startAccess;
- Tick endAccess;
- };
-
- // If the tick event is scheduled then the bank is busy
- // otherwise, schedule the event and wait for it to complete
- std::vector<AccessRecord> busyBanks;
-
- unsigned int mapIndexToBank(Index idx);
-
- public:
- BankedArray(unsigned int banks, Cycles accessLatency, unsigned int startIndexBit);
-
- // Note: We try the access based on the cache index, not the address
- // This is so we don't get aliasing on blocks being replaced
- bool tryAccess(Index idx);
-
-};
-
-#endif