2009-05-11 19:38:43 +02:00
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/*
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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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* $Id$
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*/
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#ifndef COMPONENTMAPPINGFNS_H
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#define COMPONENTMAPPINGFNS_H
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2009-05-11 19:38:45 +02:00
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#include "mem/ruby/common/Global.hh"
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#include "mem/ruby/system/NodeID.hh"
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#include "mem/ruby/system/MachineID.hh"
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#include "mem/ruby/common/Address.hh"
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#include "mem/ruby/common/Set.hh"
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#include "mem/ruby/common/NetDest.hh"
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#include "mem/protocol/GenericMachineType.hh"
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2009-07-07 00:49:47 +02:00
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#include "mem/ruby/system/DirectoryMemory.hh"
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2009-05-11 19:38:43 +02:00
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#ifdef MACHINETYPE_L1Cache
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#define MACHINETYPE_L1CACHE_ENUM MachineType_L1Cache
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#else
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#define MACHINETYPE_L1CACHE_ENUM MachineType_NUM
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#endif
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#ifdef MACHINETYPE_L2Cache
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#define MACHINETYPE_L2CACHE_ENUM MachineType_L2Cache
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#else
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#define MACHINETYPE_L2CACHE_ENUM MachineType_NUM
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#endif
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#ifdef MACHINETYPE_L3Cache
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#define MACHINETYPE_L3CACHE_ENUM MachineType_L3Cache
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#else
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#define MACHINETYPE_L3CACHE_ENUM MachineType_NUM
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#endif
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2009-11-19 01:34:31 +01:00
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#ifdef MACHINETYPE_DMA
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#define MACHINETYPE_DMA_ENUM MachineType_DMA
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#else
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#define MACHINETYPE_DMA_ENUM MachineType_NUM
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#endif
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// used to determine the number of acks to wait for
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int getNumberOfLastLevelCaches();
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2009-05-11 19:38:43 +02:00
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// used to determine the home directory
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// returns a value between 0 and total_directories_within_the_system
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inline
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NodeID map_Address_to_DirectoryNode(const Address& addr)
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{
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2009-07-07 00:49:47 +02:00
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return DirectoryMemory::mapAddressToDirectoryVersion(addr);
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2009-05-11 19:38:43 +02:00
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}
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// used to determine the home directory
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// returns a value between 0 and total_directories_within_the_system
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inline
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MachineID map_Address_to_Directory(const Address &addr)
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{
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MachineID mach = {MachineType_Directory, map_Address_to_DirectoryNode(addr)};
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return mach;
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}
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inline
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2009-07-07 00:49:47 +02:00
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MachineID map_Address_to_DMA(const Address & addr)
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2009-05-11 19:38:43 +02:00
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{
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2009-11-19 01:34:31 +01:00
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MachineID dma = {MACHINETYPE_DMA_ENUM, 0};
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2009-07-07 00:49:47 +02:00
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return dma;
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2009-05-11 19:38:43 +02:00
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}
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2009-09-16 03:39:00 +02:00
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inline
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NetDest broadcast(MachineType type)
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{
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NetDest dest;
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for (int i=0; i<MachineType_base_count(type); i++) {
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MachineID mach = {type, i};
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dest.add(mach);
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}
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return dest;
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}
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2009-08-04 19:52:52 +02:00
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inline
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2009-08-05 06:05:37 +02:00
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MachineID mapAddressToRange(const Address & addr, MachineType type, int low_bit, int num_bits)
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2009-08-04 19:52:52 +02:00
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{
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MachineID mach = {type, 0};
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2009-08-05 06:05:37 +02:00
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if (num_bits == 0)
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return mach;
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mach.num = addr.bitSelect(low_bit, low_bit+num_bits-1);
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2009-08-04 19:52:52 +02:00
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return mach;
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}
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2009-05-11 19:38:43 +02:00
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extern inline NodeID machineIDToNodeID(MachineID machID)
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{
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return machID.num;
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}
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extern inline MachineType machineIDToMachineType(MachineID machID)
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{
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return machID.type;
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}
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extern inline NodeID L1CacheMachIDToProcessorNum(MachineID machID)
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{
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assert(machID.type == MachineType_L1Cache);
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return machID.num;
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}
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2009-07-19 01:20:03 +02:00
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2009-05-11 19:38:43 +02:00
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extern inline MachineID getL1MachineID(NodeID L1RubyNode)
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{
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MachineID mach = {MACHINETYPE_L1CACHE_ENUM, L1RubyNode};
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return mach;
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}
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extern inline GenericMachineType ConvertMachToGenericMach(MachineType machType) {
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if (machType == MACHINETYPE_L1CACHE_ENUM) {
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return GenericMachineType_L1Cache;
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} else if (machType == MACHINETYPE_L2CACHE_ENUM) {
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return GenericMachineType_L2Cache;
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} else if (machType == MACHINETYPE_L3CACHE_ENUM) {
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return GenericMachineType_L3Cache;
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} else if (machType == MachineType_Directory) {
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return GenericMachineType_Directory;
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} else {
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ERROR_MSG("cannot convert to a GenericMachineType");
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return GenericMachineType_NULL;
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}
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}
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#endif // COMPONENTMAPPINGFNS_H
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