isa_traits.hh revision 10924:d02e9c239892
11689SN/A/* 29444SAndreas.Sandberg@ARM.com * Copyright (c) 2007 The Hewlett-Packard Development Company 37849SAli.Saidi@ARM.com * All rights reserved. 47849SAli.Saidi@ARM.com * 57849SAli.Saidi@ARM.com * The license below extends only to copyright in the software and shall 67849SAli.Saidi@ARM.com * not be construed as granting a license to any other intellectual 77849SAli.Saidi@ARM.com * property including but not limited to intellectual property relating 87849SAli.Saidi@ARM.com * to a hardware implementation of the functionality of the software 97849SAli.Saidi@ARM.com * licensed hereunder. You may use the software subject to the license 107849SAli.Saidi@ARM.com * terms below provided that you ensure that this notice is replicated 117849SAli.Saidi@ARM.com * unmodified and in its entirety in all distributions of the software, 127849SAli.Saidi@ARM.com * modified or unmodified, in source code or in binary form. 137849SAli.Saidi@ARM.com * 142329SN/A * Redistribution and use in source and binary forms, with or without 151689SN/A * modification, are permitted provided that the following conditions are 161689SN/A * met: redistributions of source code must retain the above copyright 171689SN/A * notice, this list of conditions and the following disclaimer; 181689SN/A * redistributions in binary form must reproduce the above copyright 191689SN/A * notice, this list of conditions and the following disclaimer in the 201689SN/A * documentation and/or other materials provided with the distribution; 211689SN/A * neither the name of the copyright holders nor the names of its 221689SN/A * contributors may be used to endorse or promote products derived from 231689SN/A * this software without specific prior written permission. 241689SN/A * 251689SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 261689SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 271689SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 281689SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 291689SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 301689SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 311689SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 321689SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 331689SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 341689SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 351689SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 361689SN/A * 371689SN/A * Authors: Gabe Black 381689SN/A */ 392665Ssaidi@eecs.umich.edu 402665Ssaidi@eecs.umich.edu#ifndef __ARCH_X86_ISATRAITS_HH__ 412756Sksewell@umich.edu#define __ARCH_X86_ISATRAITS_HH__ 421689SN/A 431689SN/A#include "arch/x86/types.hh" 442292SN/A#include "arch/x86/x86_traits.hh" 452292SN/A#include "base/types.hh" 461060SN/A 479020Sgblack@eecs.umich.edunamespace LittleEndianGuest {} 482669Sktlim@umich.edu 491461SN/Anamespace X86ISA 506658Snate@binkert.org{ 511060SN/A //This makes sure the little endian version of certain functions 529480Snilay@cs.wisc.edu //are used. 538229Snate@binkert.org using namespace LittleEndianGuest; 547849SAli.Saidi@ARM.com 553348Sbinkertn@umich.edu // X86 does not have a delay slot 562669Sktlim@umich.edu#define ISA_HAS_DELAY_SLOT 0 571461SN/A 581060SN/A // X86 NOP (XCHG rAX, rAX) 598737Skoansin.tan@gmail.com //XXX This needs to be set to an intermediate instruction struct 605529Snate@binkert.org //which encodes this instruction 611060SN/A 622329SN/A const Addr PageShift = 12; 632329SN/A const Addr PageBytes = ULL(1) << PageShift; 642329SN/A 652329SN/A // Memory accesses can be unaligned 662348SN/A const bool HasUnalignedMemAcc = true; 672329SN/A 681060SN/A const bool CurThreadInfoImplemented = false; 691060SN/A const int CurThreadInfoReg = -1; 702292SN/A 711060SN/A const ExtMachInst NoopMachInst M5_VAR_USED = { 721060SN/A 0x0, // No legacy prefixes. 731060SN/A 0x0, // No rex prefix. 741061SN/A 0x0, // No two / three byte escape sequence 751060SN/A { OneByteOpcode, 0x90 }, // One opcode byte, 0x90. 761061SN/A 0x0, 0x0, // No modrm or sib. 772733Sktlim@umich.edu 0, 0, // No immediate or displacement. 781060SN/A 8, 8, 8, // All sizes are 8. 792292SN/A 0, // Displacement size is 0. 801061SN/A SixtyFourBitMode // Behave as if we're in 64 bit 811061SN/A // mode (this doesn't actually matter). 821060SN/A }; 831060SN/A} 842107SN/A 852292SN/A#endif // __ARCH_X86_ISATRAITS_HH__ 862632Sstever@eecs.umich.edu