types.hh revision 2438
112837Sgabeblack@google.com/* 212837Sgabeblack@google.com * Copyright (c) 2003-2005 The Regents of The University of Michigan 312837Sgabeblack@google.com * All rights reserved. 412837Sgabeblack@google.com * 512837Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 612837Sgabeblack@google.com * modification, are permitted provided that the following conditions are 712837Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 812837Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 912837Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 1012837Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1112837Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1212837Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1312837Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1412837Sgabeblack@google.com * this software without specific prior written permission. 1512837Sgabeblack@google.com * 1612837Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1712837Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1812837Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1912837Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2012837Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2112837Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2212837Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2312837Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2412837Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2512837Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2612837Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2712837Sgabeblack@google.com */ 2812837Sgabeblack@google.com 2912837Sgabeblack@google.com/** 3012837Sgabeblack@google.com * @file 3112837Sgabeblack@google.com * Defines host-dependent types: 3212837Sgabeblack@google.com * Counter, Tick, and (indirectly) {int,uint}{8,16,32,64}_t. 3312837Sgabeblack@google.com */ 3412863Sgabeblack@google.com 3512837Sgabeblack@google.com#ifndef __HOST_HH__ 3612837Sgabeblack@google.com#define __HOST_HH__ 3712837Sgabeblack@google.com 3812837Sgabeblack@google.com#include <inttypes.h> 3912837Sgabeblack@google.com 4012837Sgabeblack@google.com/** uint64_t constant */ 4112837Sgabeblack@google.com#define ULL(N) ((uint64_t)N##ULL) 4212837Sgabeblack@google.com/** int64_t constant */ 4312837Sgabeblack@google.com#define LL(N) (((int64_t)N##LL) 4412837Sgabeblack@google.com 4512838Sgabeblack@google.com/** Statistics counter type. Not much excuse for not using a 64-bit 4612837Sgabeblack@google.com * integer here, but if you're desperate and only run short 4712837Sgabeblack@google.com * simulations you could make this 32 bits. 4812839Sgabeblack@google.com */ 4912837Sgabeblack@google.comtypedef int64_t Counter; 50 51/** 52 * Clock cycle count type. 53 * @note using an unsigned breaks the cache. 54 */ 55typedef int64_t Tick; 56 57/** 58 * Address type 59 * This will probably be moved somewhere else in the near future. 60 * This should be at least as big as the biggest address width in use 61 * in the system, which will probably be 64 bits. 62 */ 63typedef uint64_t Addr; 64 65const Addr MaxAddr = (Addr)-1; 66 67#endif // __HOST_H__ 68