isa_traits.hh revision 7741
12023SN/A/* 22023SN/A * Copyright (c) 2003-2005 The Regents of The University of Michigan 32023SN/A * All rights reserved. 42023SN/A * 52023SN/A * Redistribution and use in source and binary forms, with or without 62023SN/A * modification, are permitted provided that the following conditions are 72023SN/A * met: redistributions of source code must retain the above copyright 82023SN/A * notice, this list of conditions and the following disclaimer; 92023SN/A * redistributions in binary form must reproduce the above copyright 102023SN/A * notice, this list of conditions and the following disclaimer in the 112023SN/A * documentation and/or other materials provided with the distribution; 122023SN/A * neither the name of the copyright holders nor the names of its 132023SN/A * contributors may be used to endorse or promote products derived from 142023SN/A * this software without specific prior written permission. 152023SN/A * 162023SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172023SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182023SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192023SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202023SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212023SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222023SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232023SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242023SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252023SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262023SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282972Sgblack@eecs.umich.edu * Authors: Gabe Black 293804Ssaidi@eecs.umich.edu * Ali Saidi 302023SN/A */ 312023SN/A 322023SN/A#ifndef __ARCH_SPARC_ISA_TRAITS_HH__ 332023SN/A#define __ARCH_SPARC_ISA_TRAITS_HH__ 342023SN/A 352972Sgblack@eecs.umich.edu#include "arch/sparc/types.hh" 363752Sgblack@eecs.umich.edu#include "arch/sparc/sparc_traits.hh" 376216Snate@binkert.org#include "base/types.hh" 382225SN/A#include "config/full_system.hh" 392225SN/A 402225SN/Aclass StaticInstPtr; 412023SN/A 422458SN/Anamespace BigEndianGuest {} 432023SN/A 442458SN/Anamespace SparcISA 452458SN/A{ 467741Sgblack@eecs.umich.educonst int MachineBytes = 8; 473809Sgblack@eecs.umich.edu 487741Sgblack@eecs.umich.edu// This makes sure the big endian versions of certain functions are used. 497741Sgblack@eecs.umich.eduusing namespace BigEndianGuest; 502972Sgblack@eecs.umich.edu 517741Sgblack@eecs.umich.edu// SPARC has a delay slot 527741Sgblack@eecs.umich.edu#define ISA_HAS_DELAY_SLOT 1 533093Sksewell@umich.edu 547741Sgblack@eecs.umich.edu// SPARC NOP (sethi %(hi(0), g0) 557741Sgblack@eecs.umich.educonst MachInst NoopMachInst = 0x01000000; 562972Sgblack@eecs.umich.edu 577741Sgblack@eecs.umich.edu// 8K. This value is implmentation specific; and should probably 587741Sgblack@eecs.umich.edu// be somewhere else. 597741Sgblack@eecs.umich.educonst int LogVMPageSize = 13; 607741Sgblack@eecs.umich.educonst int VMPageSize = (1 << LogVMPageSize); 612458SN/A 627741Sgblack@eecs.umich.edu// real address virtual mapping 637741Sgblack@eecs.umich.edu// sort of like alpha super page, but less frequently used 647741Sgblack@eecs.umich.educonst Addr SegKPMEnd = ULL(0xfffffffc00000000); 657741Sgblack@eecs.umich.educonst Addr SegKPMBase = ULL(0xfffffac000000000); 664070Ssaidi@eecs.umich.edu 677741Sgblack@eecs.umich.edu// Why does both the previous set of constants and this one exist? 687741Sgblack@eecs.umich.educonst int PageShift = 13; 697741Sgblack@eecs.umich.educonst int PageBytes = 1ULL << PageShift; 702458SN/A 717741Sgblack@eecs.umich.educonst int BranchPredAddrShiftAmt = 2; 722458SN/A 737741Sgblack@eecs.umich.eduStaticInstPtr decodeInst(ExtMachInst); 742458SN/A 757741Sgblack@eecs.umich.edu/////////// TLB Stuff //////////// 767741Sgblack@eecs.umich.educonst Addr StartVAddrHole = ULL(0x0000800000000000); 777741Sgblack@eecs.umich.educonst Addr EndVAddrHole = ULL(0xFFFF7FFFFFFFFFFF); 787741Sgblack@eecs.umich.educonst Addr VAddrAMask = ULL(0xFFFFFFFF); 797741Sgblack@eecs.umich.educonst Addr PAddrImplMask = ULL(0x000000FFFFFFFFFF); 807741Sgblack@eecs.umich.educonst Addr BytesInPageMask = ULL(0x1FFF); 813804Ssaidi@eecs.umich.edu 824997Sgblack@eecs.umich.edu#if FULL_SYSTEM 837741Sgblack@eecs.umich.eduenum InterruptTypes 847741Sgblack@eecs.umich.edu{ 857741Sgblack@eecs.umich.edu IT_TRAP_LEVEL_ZERO, 867741Sgblack@eecs.umich.edu IT_HINTP, 877741Sgblack@eecs.umich.edu IT_INT_VEC, 887741Sgblack@eecs.umich.edu IT_CPU_MONDO, 897741Sgblack@eecs.umich.edu IT_DEV_MONDO, 907741Sgblack@eecs.umich.edu IT_RES_ERROR, 917741Sgblack@eecs.umich.edu IT_SOFT_INT, 927741Sgblack@eecs.umich.edu NumInterruptTypes 937741Sgblack@eecs.umich.edu}; 944103Ssaidi@eecs.umich.edu 953804Ssaidi@eecs.umich.edu#endif 966974Stjones1@inf.ed.ac.uk 976974Stjones1@inf.ed.ac.uk// Memory accesses cannot be unaligned 986974Stjones1@inf.ed.ac.ukconst bool HasUnalignedMemAcc = false; 992458SN/A} 1002458SN/A 1012023SN/A#endif // __ARCH_SPARC_ISA_TRAITS_HH__ 102