registers.hh revision 11725
14120SN/A/* 24120SN/A * Copyright (c) 2007 The Hewlett-Packard Development Company 39917Ssteve.reinhardt@amd.com * Copyright (c) 2013 Advanced Micro Devices, Inc. 44120SN/A * All rights reserved. 54120SN/A * 67087Snate@binkert.org * The license below extends only to copyright in the software and shall 77087Snate@binkert.org * not be construed as granting a license to any other intellectual 87087Snate@binkert.org * property including but not limited to intellectual property relating 97087Snate@binkert.org * to a hardware implementation of the functionality of the software 107087Snate@binkert.org * licensed hereunder. You may use the software subject to the license 117087Snate@binkert.org * terms below provided that you ensure that this notice is replicated 127087Snate@binkert.org * unmodified and in its entirety in all distributions of the software, 137087Snate@binkert.org * modified or unmodified, in source code or in binary form. 144120SN/A * 157087Snate@binkert.org * Redistribution and use in source and binary forms, with or without 167087Snate@binkert.org * modification, are permitted provided that the following conditions are 177087Snate@binkert.org * met: redistributions of source code must retain the above copyright 187087Snate@binkert.org * notice, this list of conditions and the following disclaimer; 197087Snate@binkert.org * redistributions in binary form must reproduce the above copyright 207087Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 217087Snate@binkert.org * documentation and/or other materials provided with the distribution; 227087Snate@binkert.org * neither the name of the copyright holders nor the names of its 234120SN/A * contributors may be used to endorse or promote products derived from 247087Snate@binkert.org * this software without specific prior written permission. 254120SN/A * 264120SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 274120SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 284120SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 294120SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 304120SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 314120SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 324120SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 334120SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 344120SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 354120SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 364120SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 374120SN/A * 384120SN/A * Authors: Gabe Black 394120SN/A */ 404120SN/A 416329Sgblack@eecs.umich.edu#ifndef __ARCH_X86_REGISTERS_HH__ 426329Sgblack@eecs.umich.edu#define __ARCH_X86_REGISTERS_HH__ 436216SN/A 448961Sgblack@eecs.umich.edu#include "arch/x86/generated/max_inst_regs.hh" 457629Sgblack@eecs.umich.edu#include "arch/x86/regs/int.hh" 469921Syasuko.eckert@amd.com#include "arch/x86/regs/ccr.hh" 477629Sgblack@eecs.umich.edu#include "arch/x86/regs/misc.hh" 486315SN/A#include "arch/x86/x86_traits.hh" 494137SN/A 504120SN/Anamespace X86ISA 514120SN/A{ 526329Sgblack@eecs.umich.eduusing X86ISAInst::MaxInstSrcRegs; 536329Sgblack@eecs.umich.eduusing X86ISAInst::MaxInstDestRegs; 549046SAli.Saidi@ARM.comusing X86ISAInst::MaxMiscDestRegs; 556329Sgblack@eecs.umich.educonst int NumMiscRegs = NUM_MISCREGS; 566313SN/A 576329Sgblack@eecs.umich.educonst int NumIntArchRegs = NUM_INTREGS; 589921Syasuko.eckert@amd.comconst int NumIntRegs = NumIntArchRegs + NumMicroIntRegs + NumImplicitIntRegs; 599921Syasuko.eckert@amd.comconst int NumCCRegs = NUM_CCREGS; 609921Syasuko.eckert@amd.com 619921Syasuko.eckert@amd.com#define ISA_HAS_CC_REGS 626319SN/A 639917Ssteve.reinhardt@amd.com// Each 128 bit xmm register is broken into two effective 64 bit registers. 649917Ssteve.reinhardt@amd.com// Add 8 for the indices that are mapped over the fp stack 656329Sgblack@eecs.umich.educonst int NumFloatRegs = 669917Ssteve.reinhardt@amd.com NumMMXRegs + 2 * NumXMMRegs + NumMicroFpRegs + 8; 676315SN/A 686329Sgblack@eecs.umich.edu// These enumerate all the registers for dependence tracking. 696329Sgblack@eecs.umich.eduenum DependenceTags { 709918Ssteve.reinhardt@amd.com // FP_Reg_Base must be large enough to be bigger than any integer 719917Ssteve.reinhardt@amd.com // register index which has the IntFoldBit (1 << 6) set. To be safe 729917Ssteve.reinhardt@amd.com // we just start at (1 << 7) == 128. 739918Ssteve.reinhardt@amd.com FP_Reg_Base = 128, 749920Syasuko.eckert@amd.com CC_Reg_Base = FP_Reg_Base + NumFloatRegs, 7510935Snilay@cs.wisc.edu Misc_Reg_Base = CC_Reg_Base + NumCCRegs, 769918Ssteve.reinhardt@amd.com Max_Reg_Index = Misc_Reg_Base + NumMiscRegs 776329Sgblack@eecs.umich.edu}; 784137SN/A 796329Sgblack@eecs.umich.edu// semantically meaningful register indices 806329Sgblack@eecs.umich.edu//There is no such register in X86 816329Sgblack@eecs.umich.educonst int ZeroReg = NUM_INTREGS; 826329Sgblack@eecs.umich.educonst int StackPointerReg = INTREG_RSP; 836329Sgblack@eecs.umich.edu//X86 doesn't seem to have a link register 846329Sgblack@eecs.umich.educonst int ReturnAddressReg = 0; 856329Sgblack@eecs.umich.educonst int ReturnValueReg = INTREG_RAX; 866329Sgblack@eecs.umich.educonst int FramePointerReg = INTREG_RBP; 874137SN/A 886329Sgblack@eecs.umich.edu// Some OS syscalls use a second register (rdx) to return a second 896329Sgblack@eecs.umich.edu// value 906329Sgblack@eecs.umich.educonst int SyscallPseudoReturnReg = INTREG_RDX; 916329Sgblack@eecs.umich.edu 926329Sgblack@eecs.umich.edutypedef uint64_t IntReg; 939920Syasuko.eckert@amd.comtypedef uint64_t CCReg; 946329Sgblack@eecs.umich.edutypedef uint64_t MiscReg; 956329Sgblack@eecs.umich.edu 966329Sgblack@eecs.umich.edu//These floating point types are correct for mmx, but not 976329Sgblack@eecs.umich.edu//technically for x87 (80 bits) or at all for xmm (128 bits) 986329Sgblack@eecs.umich.edutypedef double FloatReg; 996329Sgblack@eecs.umich.edutypedef uint64_t FloatRegBits; 1006329Sgblack@eecs.umich.edutypedef union 1016329Sgblack@eecs.umich.edu{ 1026329Sgblack@eecs.umich.edu IntReg intReg; 1036329Sgblack@eecs.umich.edu FloatReg fpReg; 1049921Syasuko.eckert@amd.com CCReg ccReg; 1056329Sgblack@eecs.umich.edu MiscReg ctrlReg; 1066329Sgblack@eecs.umich.edu} AnyReg; 1076329Sgblack@eecs.umich.edu 1086329Sgblack@eecs.umich.edutypedef uint16_t RegIndex; 1094137SN/A 1107811Ssteve.reinhardt@amd.com} // namespace X86ISA 1114120SN/A 1124120SN/A#endif // __ARCH_X86_REGFILE_HH__ 113