gem5/src/mem/ruby/slicc_interface/AbstractCacheEntry.hh
Brad Beckmann 12a05c23b7 ruby: automate permission setting
This patch integrates permissions with cache and memory states, and then
automates the setting of permissions within the generated code.  No longer
does one need to manually set the permissions within the setState funciton.
This patch will faciliate easier functional access support by always correctly
setting permissions for both cache and memory states.

--HG--
rename : src/mem/slicc/ast/EnumDeclAST.py => src/mem/slicc/ast/StateDeclAST.py
rename : src/mem/slicc/ast/TypeFieldEnumAST.py => src/mem/slicc/ast/TypeFieldStateAST.py
2011-02-23 16:41:59 -08:00

69 lines
2.6 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.
*/
/*
* Common base class for a machine node.
*/
#ifndef __MEM_RUBY_SLICC_INTERFACE_ABSTRACTCACHEENTRY_HH__
#define __MEM_RUBY_SLICC_INTERFACE_ABSTRACTCACHEENTRY_HH__
#include <iostream>
#include "mem/protocol/AccessPermission.hh"
#include "mem/ruby/common/Address.hh"
#include "mem/ruby/common/Global.hh"
#include "mem/ruby/slicc_interface/AbstractEntry.hh"
class DataBlock;
class AbstractCacheEntry : public AbstractEntry
{
public:
AbstractCacheEntry();
virtual ~AbstractCacheEntry() = 0;
// Get/Set permission of the entry
void changePermission(AccessPermission new_perm);
Address m_Address; // Address of this block, required by CacheMemory
Time m_LastRef; // Last time this block was referenced, required
// by CacheMemory
int m_locked; // Holds info whether the address is locked,
// required for implementing LL/SC
};
inline std::ostream&
operator<<(std::ostream& out, const AbstractCacheEntry& obj)
{
obj.print(out);
out << std::flush;
return out;
}
#endif // __MEM_RUBY_SLICC_INTERFACE_ABSTRACTCACHEENTRY_HH__