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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.
*/
/*
* $Id$
*/
#ifndef COMPONENTMAPPINGFNS_H
#define COMPONENTMAPPINGFNS_H
#include "mem/ruby/common/Global.hh"
#include "mem/ruby/system/NodeID.hh"
#include "mem/ruby/system/MachineID.hh"
#include "mem/ruby/common/Address.hh"
#include "mem/ruby/common/Set.hh"
#include "mem/ruby/common/NetDest.hh"
#include "mem/protocol/GenericMachineType.hh"
#include "mem/ruby/system/DirectoryMemory.hh"
#ifdef MACHINETYPE_L1Cache
#define MACHINETYPE_L1CACHE_ENUM MachineType_L1Cache
#else
#define MACHINETYPE_L1CACHE_ENUM MachineType_NUM
#endif
#ifdef MACHINETYPE_L2Cache
#define MACHINETYPE_L2CACHE_ENUM MachineType_L2Cache
#else
#define MACHINETYPE_L2CACHE_ENUM MachineType_NUM
#endif
#ifdef MACHINETYPE_L3Cache
#define MACHINETYPE_L3CACHE_ENUM MachineType_L3Cache
#else
#define MACHINETYPE_L3CACHE_ENUM MachineType_NUM
#endif
#ifdef MACHINETYPE_DMA
#define MACHINETYPE_DMA_ENUM MachineType_DMA
#else
#define MACHINETYPE_DMA_ENUM MachineType_NUM
#endif
// used to determine the number of acks to wait for
int getNumberOfLastLevelCaches();
// used to determine the home directory
// returns a value between 0 and total_directories_within_the_system
inline
NodeID map_Address_to_DirectoryNode(const Address& addr)
{
return DirectoryMemory::mapAddressToDirectoryVersion(addr);
}
// used to determine the home directory
// returns a value between 0 and total_directories_within_the_system
inline
MachineID map_Address_to_Directory(const Address &addr)
{
MachineID mach = {MachineType_Directory, map_Address_to_DirectoryNode(addr)};
return mach;
}
inline
MachineID map_Address_to_DMA(const Address & addr)
{
MachineID dma = {MACHINETYPE_DMA_ENUM, 0};
return dma;
}
inline
NetDest broadcast(MachineType type)
{
NetDest dest;
for (int i=0; i<MachineType_base_count(type); i++) {
MachineID mach = {type, i};
dest.add(mach);
}
return dest;
}
inline
MachineID mapAddressToRange(const Address & addr, MachineType type, int low_bit, int num_bits)
{
MachineID mach = {type, 0};
if (num_bits == 0)
return mach;
mach.num = addr.bitSelect(low_bit, low_bit+num_bits-1);
return mach;
}
extern inline NodeID machineIDToNodeID(MachineID machID)
{
return machID.num;
}
extern inline MachineType machineIDToMachineType(MachineID machID)
{
return machID.type;
}
extern inline NodeID L1CacheMachIDToProcessorNum(MachineID machID)
{
assert(machID.type == MachineType_L1Cache);
return machID.num;
}
extern inline MachineID getL1MachineID(NodeID L1RubyNode)
{
MachineID mach = {MACHINETYPE_L1CACHE_ENUM, L1RubyNode};
return mach;
}
extern inline GenericMachineType ConvertMachToGenericMach(MachineType machType) {
if (machType == MACHINETYPE_L1CACHE_ENUM) {
return GenericMachineType_L1Cache;
} else if (machType == MACHINETYPE_L2CACHE_ENUM) {
return GenericMachineType_L2Cache;
} else if (machType == MACHINETYPE_L3CACHE_ENUM) {
return GenericMachineType_L3Cache;
} else if (machType == MachineType_Directory) {
return GenericMachineType_Directory;
} else {
ERROR_MSG("cannot convert to a GenericMachineType");
return GenericMachineType_NULL;
}
}
#endif // COMPONENTMAPPINGFNS_H
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