c08351f4d3
Now that the gem5 protocols are split out, it would be nice to put them in their own protocol directory. It's also confusing to have files called *_protocol which are not in the protocol directory. Change-Id: I7475ee111630050a2421816dfd290921baab9f71 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/20230 Reviewed-by: Gabe Black <gabeblack@google.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Gabe Black <gabeblack@google.com> Tested-by: kokoro <noreply+kokoro@google.com>
98 lines
3.4 KiB
C++
98 lines
3.4 KiB
C++
/*
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* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Common base class for a machine node.
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*/
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#ifndef __MEM_RUBY_SLICC_INTERFACE_ABSTRACTCACHEENTRY_HH__
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#define __MEM_RUBY_SLICC_INTERFACE_ABSTRACTCACHEENTRY_HH__
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#include <iostream>
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#include "base/logging.hh"
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#include "mem/ruby/common/Address.hh"
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#include "mem/ruby/protocol/AccessPermission.hh"
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#include "mem/ruby/slicc_interface/AbstractEntry.hh"
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class DataBlock;
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class AbstractCacheEntry : public AbstractEntry
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{
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public:
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AbstractCacheEntry();
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virtual ~AbstractCacheEntry() = 0;
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// Get/Set permission of the entry
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void changePermission(AccessPermission new_perm);
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// The methods below are those called by ruby runtime, add when it
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// is absolutely necessary and should all be virtual function.
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virtual DataBlock& getDataBlk()
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{ panic("getDataBlk() not implemented!"); }
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int validBlocks;
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virtual int& getNumValidBlocks()
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{
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return validBlocks;
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}
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// Functions for locking and unlocking the cache entry. These are required
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// for supporting atomic memory accesses.
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void setLocked(int context);
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void clearLocked();
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bool isLocked(int context) const;
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void setSetIndex(uint32_t s) { m_set_index = s; }
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uint32_t getSetIndex() const { return m_set_index; }
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void setWayIndex(uint32_t s) { m_way_index = s; }
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uint32_t getWayIndex() const { return m_way_index; }
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// Address of this block, required by CacheMemory
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Addr m_Address;
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// Holds info whether the address is locked.
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// Required for implementing LL/SC operations.
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int m_locked;
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private:
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// Set and way coordinates of the entry within the cache memory object.
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uint32_t m_set_index;
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uint32_t m_way_index;
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};
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inline std::ostream&
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operator<<(std::ostream& out, const AbstractCacheEntry& obj)
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{
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obj.print(out);
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out << std::flush;
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return out;
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}
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#endif // __MEM_RUBY_SLICC_INTERFACE_ABSTRACTCACHEENTRY_HH__
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