79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
/*
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* Copyright (c) 2003-2005 The Regents of The University of Michigan
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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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* Authors: Nathan Binkert
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*/
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/**
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* @file
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* Defines global host-dependent types:
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* Counter, Tick, and (indirectly) {int,uint}{8,16,32,64}_t.
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*/
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#ifndef __BASE_TYPES_HH__
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#define __BASE_TYPES_HH__
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#include <inttypes.h>
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/** uint64_t constant */
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#define ULL(N) ((uint64_t)N##ULL)
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/** int64_t constant */
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#define LL(N) ((int64_t)N##LL)
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/** Statistics counter type. Not much excuse for not using a 64-bit
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* integer here, but if you're desperate and only run short
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* simulations you could make this 32 bits.
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*/
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typedef int64_t Counter;
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/**
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* Clock cycle count type.
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* @note using an unsigned breaks the cache.
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*/
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typedef int64_t Tick;
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typedef uint64_t UTick;
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const Tick MaxTick = LL(0x7fffffffffffffff);
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/**
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* Address type
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* This will probably be moved somewhere else in the near future.
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* This should be at least as big as the biggest address width in use
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* in the system, which will probably be 64 bits.
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*/
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typedef uint64_t Addr;
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const Addr MaxAddr = (Addr)-1;
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/**
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* Thread index/ID type
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*/
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typedef int16_t ThreadID;
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const ThreadID InvalidThreadID = (ThreadID)-1;
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#endif // __BASE_TYPES_HH__
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