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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.
*/
#ifndef __MEM_RUBY_COMMON_MACHINEID_HH__
#define __MEM_RUBY_COMMON_MACHINEID_HH__
#include <iostream>
#include <string>
#include "base/cprintf.hh"
#include "mem/ruby/protocol/MachineType.hh"
struct MachineID
{
MachineID() : type(MachineType_NULL), num(0) { }
MachineID(MachineType mach_type, NodeID node_id)
: type(mach_type), num(node_id) { }
MachineType type;
//! range: 0 ... number of this machine's components in system - 1
NodeID num;
MachineType getType() const { return type; }
NodeID getNum() const { return num; }
};
inline std::string
MachineIDToString(MachineID machine)
{
return csprintf("%s_%d", MachineType_to_string(machine.type), machine.num);
}
inline bool
operator==(const MachineID & obj1, const MachineID & obj2)
{
return (obj1.type == obj2.type && obj1.num == obj2.num);
}
inline bool
operator!=(const MachineID & obj1, const MachineID & obj2)
{
return (obj1.type != obj2.type || obj1.num != obj2.num);
}
namespace std {
template<>
struct hash<MachineID> {
inline size_t operator()(const MachineID& id) const {
size_t hval = MachineType_base_level(id.type) << 16 | id.num;
return hval;
}
};
}
// Output operator declaration
std::ostream& operator<<(std::ostream& out, const MachineID& obj);
inline std::ostream&
operator<<(std::ostream& out, const MachineID& obj)
{
if ((obj.type < MachineType_NUM) && (obj.type >= MachineType_FIRST)) {
out << MachineType_to_string(obj.type);
} else {
out << "NULL";
}
out << "-";
out << obj.num;
out << std::flush;
return out;
}
#endif // __MEM_RUBY_COMMON_MACHINEID_HH__