isa_traits.hh revision 6216
14120Sgblack@eecs.umich.edu/* 24120Sgblack@eecs.umich.edu * Copyright (c) 2007 The Hewlett-Packard Development Company 34120Sgblack@eecs.umich.edu * All rights reserved. 44120Sgblack@eecs.umich.edu * 54120Sgblack@eecs.umich.edu * Redistribution and use of this software in source and binary forms, 64120Sgblack@eecs.umich.edu * with or without modification, are permitted provided that the 74120Sgblack@eecs.umich.edu * following conditions are met: 84120Sgblack@eecs.umich.edu * 94120Sgblack@eecs.umich.edu * The software must be used only for Non-Commercial Use which means any 104120Sgblack@eecs.umich.edu * use which is NOT directed to receiving any direct monetary 114120Sgblack@eecs.umich.edu * compensation for, or commercial advantage from such use. Illustrative 124120Sgblack@eecs.umich.edu * examples of non-commercial use are academic research, personal study, 134120Sgblack@eecs.umich.edu * teaching, education and corporate research & development. 144120Sgblack@eecs.umich.edu * Illustrative examples of commercial use are distributing products for 154120Sgblack@eecs.umich.edu * commercial advantage and providing services using the software for 164120Sgblack@eecs.umich.edu * commercial advantage. 174120Sgblack@eecs.umich.edu * 184120Sgblack@eecs.umich.edu * If you wish to use this software or functionality therein that may be 194120Sgblack@eecs.umich.edu * covered by patents for commercial use, please contact: 204120Sgblack@eecs.umich.edu * Director of Intellectual Property Licensing 214120Sgblack@eecs.umich.edu * Office of Strategy and Technology 224120Sgblack@eecs.umich.edu * Hewlett-Packard Company 234120Sgblack@eecs.umich.edu * 1501 Page Mill Road 244120Sgblack@eecs.umich.edu * Palo Alto, California 94304 254120Sgblack@eecs.umich.edu * 264120Sgblack@eecs.umich.edu * Redistributions of source code must retain the above copyright notice, 274120Sgblack@eecs.umich.edu * this list of conditions and the following disclaimer. Redistributions 284120Sgblack@eecs.umich.edu * in binary form must reproduce the above copyright notice, this list of 294120Sgblack@eecs.umich.edu * conditions and the following disclaimer in the documentation and/or 304120Sgblack@eecs.umich.edu * other materials provided with the distribution. Neither the name of 314120Sgblack@eecs.umich.edu * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 324120Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 334120Sgblack@eecs.umich.edu * this software without specific prior written permission. No right of 344120Sgblack@eecs.umich.edu * sublicense is granted herewith. Derivatives of the software and 354120Sgblack@eecs.umich.edu * output created using the software may be prepared, but only for 364120Sgblack@eecs.umich.edu * Non-Commercial Uses. Derivatives of the software may be shared with 374120Sgblack@eecs.umich.edu * others provided: (i) the others agree to abide by the list of 384120Sgblack@eecs.umich.edu * conditions herein which includes the Non-Commercial Use restrictions; 394120Sgblack@eecs.umich.edu * and (ii) such Derivatives of the software include the above copyright 404120Sgblack@eecs.umich.edu * notice to acknowledge the contribution from this software where 414120Sgblack@eecs.umich.edu * applicable, this list of conditions and the disclaimer below. 424120Sgblack@eecs.umich.edu * 434120Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 444120Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 454120Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 464120Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 474120Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 484120Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 494120Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 504120Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 514120Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 524120Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 534120Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 544120Sgblack@eecs.umich.edu * 554120Sgblack@eecs.umich.edu * Authors: Gabe Black 564120Sgblack@eecs.umich.edu */ 574120Sgblack@eecs.umich.edu 584120Sgblack@eecs.umich.edu#ifndef __ARCH_X86_ISATRAITS_HH__ 594120Sgblack@eecs.umich.edu#define __ARCH_X86_ISATRAITS_HH__ 604120Sgblack@eecs.umich.edu 614166Sgblack@eecs.umich.edu#include "arch/x86/intregs.hh" 625228Sgblack@eecs.umich.edu#include "arch/x86/max_inst_regs.hh" 634141Sgblack@eecs.umich.edu#include "arch/x86/types.hh" 644136Sgblack@eecs.umich.edu#include "arch/x86/x86_traits.hh" 656214Snate@binkert.org#include "base/types.hh" 664136Sgblack@eecs.umich.edu 674141Sgblack@eecs.umich.educlass StaticInstPtr; 684141Sgblack@eecs.umich.edu 694121Sgblack@eecs.umich.edunamespace LittleEndianGuest {} 704120Sgblack@eecs.umich.edu 714120Sgblack@eecs.umich.edunamespace X86ISA 724120Sgblack@eecs.umich.edu{ 734121Sgblack@eecs.umich.edu //This makes sure the little endian version of certain functions 744121Sgblack@eecs.umich.edu //are used. 754121Sgblack@eecs.umich.edu using namespace LittleEndianGuest; 765228Sgblack@eecs.umich.edu using X86ISAInst::MaxInstSrcRegs; 775228Sgblack@eecs.umich.edu using X86ISAInst::MaxInstDestRegs; 784121Sgblack@eecs.umich.edu 794121Sgblack@eecs.umich.edu // X86 does not have a delay slot 804121Sgblack@eecs.umich.edu#define ISA_HAS_DELAY_SLOT 0 814121Sgblack@eecs.umich.edu 824121Sgblack@eecs.umich.edu // X86 NOP (XCHG rAX, rAX) 834121Sgblack@eecs.umich.edu //XXX This needs to be set to an intermediate instruction struct 844121Sgblack@eecs.umich.edu //which encodes this instruction 854121Sgblack@eecs.umich.edu 864121Sgblack@eecs.umich.edu // These enumerate all the registers for dependence tracking. 874121Sgblack@eecs.umich.edu enum DependenceTags { 885063Sgblack@eecs.umich.edu //There are 16 microcode registers at the moment. This is an 895063Sgblack@eecs.umich.edu //unusually large constant to make sure there isn't overflow. 905063Sgblack@eecs.umich.edu FP_Base_DepTag = 128, 914121Sgblack@eecs.umich.edu Ctrl_Base_DepTag = 924121Sgblack@eecs.umich.edu FP_Base_DepTag + 934121Sgblack@eecs.umich.edu //mmx/x87 registers 944121Sgblack@eecs.umich.edu 8 + 954121Sgblack@eecs.umich.edu //xmm registers 965121Sgblack@eecs.umich.edu 16 * 2 + 975121Sgblack@eecs.umich.edu //The microcode fp registers 985121Sgblack@eecs.umich.edu 8 + 995082Sgblack@eecs.umich.edu //The indices that are mapped over the fp stack 1005082Sgblack@eecs.umich.edu 8 1014121Sgblack@eecs.umich.edu }; 1024121Sgblack@eecs.umich.edu 1034121Sgblack@eecs.umich.edu // semantically meaningful register indices 1044121Sgblack@eecs.umich.edu //There is no such register in X86 1054587Sgblack@eecs.umich.edu const int ZeroReg = NUM_INTREGS; 1064166Sgblack@eecs.umich.edu const int StackPointerReg = INTREG_RSP; 1074121Sgblack@eecs.umich.edu //X86 doesn't seem to have a link register 1084121Sgblack@eecs.umich.edu const int ReturnAddressReg = 0; 1096110Ssteve.reinhardt@amd.com const int ReturnValueReg = INTREG_RAX; 1104166Sgblack@eecs.umich.edu const int FramePointerReg = INTREG_RBP; 1114121Sgblack@eecs.umich.edu 1124121Sgblack@eecs.umich.edu // Some OS syscalls use a second register (rdx) to return a second 1134121Sgblack@eecs.umich.edu // value 1144166Sgblack@eecs.umich.edu const int SyscallPseudoReturnReg = INTREG_RDX; 1154121Sgblack@eecs.umich.edu 1164121Sgblack@eecs.umich.edu //4k. This value is not constant on x86. 1174141Sgblack@eecs.umich.edu const int LogVMPageSize = 12; 1184141Sgblack@eecs.umich.edu const int VMPageSize = (1 << LogVMPageSize); 1194141Sgblack@eecs.umich.edu 1205127Sgblack@eecs.umich.edu const int PageShift = 12; 1214141Sgblack@eecs.umich.edu const int PageBytes = 1ULL << PageShift; 1224121Sgblack@eecs.umich.edu 1234121Sgblack@eecs.umich.edu const int BranchPredAddrShiftAmt = 0; 1244141Sgblack@eecs.umich.edu 1254141Sgblack@eecs.umich.edu StaticInstPtr decodeInst(ExtMachInst); 1265086Sgblack@eecs.umich.edu 1275152Sgblack@eecs.umich.edu const Addr LoadAddrMask = ULL(-1); 1284120Sgblack@eecs.umich.edu}; 1294120Sgblack@eecs.umich.edu 1304120Sgblack@eecs.umich.edu#endif // __ARCH_X86_ISATRAITS_HH__ 131