types.hh revision 2667
113207Sgabeblack@google.com/* 213207Sgabeblack@google.com * Copyright (c) 2003-2005 The Regents of The University of Michigan 313207Sgabeblack@google.com * All rights reserved. 413207Sgabeblack@google.com * 513207Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 613207Sgabeblack@google.com * modification, are permitted provided that the following conditions are 713207Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 813207Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 913207Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 1013207Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1113207Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1213207Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1313207Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1413207Sgabeblack@google.com * this software without specific prior written permission. 1513207Sgabeblack@google.com * 1613207Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1713207Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1813207Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1913207Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2013207Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2113207Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2213207Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2313207Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2413207Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2513207Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2613207Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2713207Sgabeblack@google.com * 2813207Sgabeblack@google.com * Authors: Nathan Binkert 2913207Sgabeblack@google.com */ 3013207Sgabeblack@google.com 3113207Sgabeblack@google.com/** 3213207Sgabeblack@google.com * @file 3313207Sgabeblack@google.com * Defines host-dependent types: 3413273Sgabeblack@google.com * Counter, Tick, and (indirectly) {int,uint}{8,16,32,64}_t. 3513207Sgabeblack@google.com */ 3613207Sgabeblack@google.com 3713239Sgabeblack@google.com#ifndef __HOST_HH__ 3813207Sgabeblack@google.com#define __HOST_HH__ 3913207Sgabeblack@google.com 4013207Sgabeblack@google.com#include <inttypes.h> 4113207Sgabeblack@google.com 4213207Sgabeblack@google.com/** uint64_t constant */ 4313207Sgabeblack@google.com#define ULL(N) ((uint64_t)N##ULL) 4413207Sgabeblack@google.com/** int64_t constant */ 4513207Sgabeblack@google.com#define LL(N) (((int64_t)N##LL) 4613260Sgabeblack@google.com 4713207Sgabeblack@google.com/** Statistics counter type. Not much excuse for not using a 64-bit 4813207Sgabeblack@google.com * integer here, but if you're desperate and only run short 4913207Sgabeblack@google.com * simulations you could make this 32 bits. 5013207Sgabeblack@google.com */ 5113207Sgabeblack@google.comtypedef int64_t Counter; 5213207Sgabeblack@google.com 5313207Sgabeblack@google.com/** 5413207Sgabeblack@google.com * Clock cycle count type. 5513207Sgabeblack@google.com * @note using an unsigned breaks the cache. 5613207Sgabeblack@google.com */ 5713207Sgabeblack@google.comtypedef int64_t Tick; 5813207Sgabeblack@google.com 5913207Sgabeblack@google.comconst Tick MaxTick = (1LL << 62); 6013207Sgabeblack@google.com 6113273Sgabeblack@google.com/** 6213273Sgabeblack@google.com * Address type 6313207Sgabeblack@google.com * This will probably be moved somewhere else in the near future. 6413207Sgabeblack@google.com * This should be at least as big as the biggest address width in use 6513260Sgabeblack@google.com * in the system, which will probably be 64 bits. 6613207Sgabeblack@google.com */ 6713207Sgabeblack@google.comtypedef uint64_t Addr; 6813239Sgabeblack@google.com 6913207Sgabeblack@google.comconst Addr MaxAddr = (Addr)-1; 7013239Sgabeblack@google.com 7113239Sgabeblack@google.com#endif // __HOST_H__ 7213239Sgabeblack@google.com