registers.hh revision 14238
16019SN/A/* 214238Sciro.santilli@arm.com * Copyright (c) 2010-2011, 2014, 2016-2019 ARM Limited 37649Sminkyu.jeong@arm.com * All rights reserved 47649Sminkyu.jeong@arm.com * 57649Sminkyu.jeong@arm.com * The license below extends only to copyright in the software and shall 67649Sminkyu.jeong@arm.com * not be construed as granting a license to any other intellectual 77649Sminkyu.jeong@arm.com * property including but not limited to intellectual property relating 87649Sminkyu.jeong@arm.com * to a hardware implementation of the functionality of the software 97649Sminkyu.jeong@arm.com * licensed hereunder. You may use the software subject to the license 107649Sminkyu.jeong@arm.com * terms below provided that you ensure that this notice is replicated 117649Sminkyu.jeong@arm.com * unmodified and in its entirety in all distributions of the software, 127649Sminkyu.jeong@arm.com * modified or unmodified, in source code or in binary form. 137649Sminkyu.jeong@arm.com * 146019SN/A * Copyright (c) 2007-2008 The Florida State University 156019SN/A * All rights reserved. 166019SN/A * 176019SN/A * Redistribution and use in source and binary forms, with or without 186019SN/A * modification, are permitted provided that the following conditions are 196019SN/A * met: redistributions of source code must retain the above copyright 206019SN/A * notice, this list of conditions and the following disclaimer; 216019SN/A * redistributions in binary form must reproduce the above copyright 226019SN/A * notice, this list of conditions and the following disclaimer in the 236019SN/A * documentation and/or other materials provided with the distribution; 246019SN/A * neither the name of the copyright holders nor the names of its 256019SN/A * contributors may be used to endorse or promote products derived from 266019SN/A * this software without specific prior written permission. 276019SN/A * 286019SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 296019SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 306019SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 316019SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 326019SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 336019SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 346019SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 356019SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 366019SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 376019SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 386019SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 396019SN/A * 406019SN/A * Authors: Stephen Hines 416019SN/A */ 426019SN/A 436329Sgblack@eecs.umich.edu#ifndef __ARCH_ARM_REGISTERS_HH__ 446329Sgblack@eecs.umich.edu#define __ARCH_ARM_REGISTERS_HH__ 456019SN/A 4612109SRekai.GonzalezAlberquilla@arm.com#include "arch/arm/ccregs.hh" 478961Sgblack@eecs.umich.edu#include "arch/arm/generated/max_inst_regs.hh" 488229Snate@binkert.org#include "arch/arm/intregs.hh" 496329Sgblack@eecs.umich.edu#include "arch/arm/miscregs.hh" 5013610Sgiacomo.gabrielli@arm.com#include "arch/arm/types.hh" 5113610Sgiacomo.gabrielli@arm.com#include "arch/generic/vec_pred_reg.hh" 5212109SRekai.GonzalezAlberquilla@arm.com#include "arch/generic/vec_reg.hh" 536328SN/A 546329Sgblack@eecs.umich.edunamespace ArmISA { 556328SN/A 567848SAli.Saidi@ARM.com 577848SAli.Saidi@ARM.com// For a predicated instruction, we need all the 587848SAli.Saidi@ARM.com// destination registers to also be sources 597848SAli.Saidi@ARM.comconst int MaxInstSrcRegs = ArmISAInst::MaxInstDestRegs + 607848SAli.Saidi@ARM.com ArmISAInst::MaxInstSrcRegs; 616329Sgblack@eecs.umich.eduusing ArmISAInst::MaxInstDestRegs; 629046SAli.Saidi@ARM.comusing ArmISAInst::MaxMiscDestRegs; 636328SN/A 6414238Sciro.santilli@arm.com// Number of VecElem per Vector Register considering only pre-SVE 6514238Sciro.santilli@arm.com// Advanced SIMD registers. 6614238Sciro.santilli@arm.comconstexpr unsigned NumVecElemPerNeonVecReg = 4; 6712109SRekai.GonzalezAlberquilla@arm.com// Number of VecElem per Vector Register, computed based on the vector length 6813759Sgiacomo.gabrielli@arm.comconstexpr unsigned NumVecElemPerVecReg = MaxSveVecLenInWords; 6913759Sgiacomo.gabrielli@arm.com 7012109SRekai.GonzalezAlberquilla@arm.comusing VecElem = uint32_t; 7112109SRekai.GonzalezAlberquilla@arm.comusing VecReg = ::VecRegT<VecElem, NumVecElemPerVecReg, false>; 7212109SRekai.GonzalezAlberquilla@arm.comusing ConstVecReg = ::VecRegT<VecElem, NumVecElemPerVecReg, true>; 7312109SRekai.GonzalezAlberquilla@arm.comusing VecRegContainer = VecReg::Container; 7412109SRekai.GonzalezAlberquilla@arm.com 7513759Sgiacomo.gabrielli@arm.comusing VecPredReg = ::VecPredRegT<VecElem, NumVecElemPerVecReg, 7613759Sgiacomo.gabrielli@arm.com VecPredRegHasPackedRepr, false>; 7713759Sgiacomo.gabrielli@arm.comusing ConstVecPredReg = ::VecPredRegT<VecElem, NumVecElemPerVecReg, 7813759Sgiacomo.gabrielli@arm.com VecPredRegHasPackedRepr, true>; 7913759Sgiacomo.gabrielli@arm.comusing VecPredRegContainer = VecPredReg::Container; 8013610Sgiacomo.gabrielli@arm.com 816329Sgblack@eecs.umich.edu// Constants Related to the number of registers 826717Sgblack@eecs.umich.educonst int NumIntArchRegs = NUM_ARCH_INTREGS; 837177Sgblack@eecs.umich.edu// The number of single precision floating point registers 8410037SARM gem5 Developersconst int NumFloatV7ArchRegs = 64; 8510037SARM gem5 Developersconst int NumFloatV8ArchRegs = 128; 8610037SARM gem5 Developersconst int NumFloatSpecialRegs = 32; 8712109SRekai.GonzalezAlberquilla@arm.comconst int NumVecV7ArchRegs = 64; 8812109SRekai.GonzalezAlberquilla@arm.comconst int NumVecV8ArchRegs = 32; 8912109SRekai.GonzalezAlberquilla@arm.comconst int NumVecSpecialRegs = 8; 906328SN/A 9114106Sjavier.setoain@arm.comconst int NumVecIntrlvRegs = 4; 926717Sgblack@eecs.umich.educonst int NumIntRegs = NUM_INTREGS; 9310037SARM gem5 Developersconst int NumFloatRegs = NumFloatV8ArchRegs + NumFloatSpecialRegs; 9414106Sjavier.setoain@arm.comconst int NumVecRegs = NumVecV8ArchRegs + NumVecSpecialRegs + NumVecIntrlvRegs; 9514028Sgiacomo.gabrielli@arm.comconst int VECREG_UREG0 = 32; 9614091Sgabor.dozsa@arm.comconst int NumVecPredRegs = 18; // P0-P15, FFR, UREG0 9713759Sgiacomo.gabrielli@arm.comconst int PREDREG_FFR = 16; 9814091Sgabor.dozsa@arm.comconst int PREDREG_UREG0 = 17; 9910338SCurtis.Dunham@arm.comconst int NumCCRegs = NUM_CCREGS; 1006329Sgblack@eecs.umich.educonst int NumMiscRegs = NUM_MISCREGS; 10114106Sjavier.setoain@arm.comconst int INTRLVREG0 = NumVecV8ArchRegs + NumVecSpecialRegs; 10214106Sjavier.setoain@arm.comconst int INTRLVREG1 = INTRLVREG0 + 1; 10314106Sjavier.setoain@arm.comconst int INTRLVREG2 = INTRLVREG0 + 2; 10414106Sjavier.setoain@arm.comconst int INTRLVREG3 = INTRLVREG0 + 3; 1056328SN/A 10610338SCurtis.Dunham@arm.com#define ISA_HAS_CC_REGS 10710338SCurtis.Dunham@arm.com 10813610Sgiacomo.gabrielli@arm.comconst int TotalNumRegs = NumIntRegs + NumFloatRegs + NumVecRegs + 10913610Sgiacomo.gabrielli@arm.com NumVecPredRegs + NumMiscRegs; 1106328SN/A 1116329Sgblack@eecs.umich.edu// semantically meaningful register indices 1126329Sgblack@eecs.umich.educonst int ReturnValueReg = 0; 1136329Sgblack@eecs.umich.educonst int ReturnValueReg1 = 1; 1146329Sgblack@eecs.umich.educonst int ReturnValueReg2 = 2; 1157650SAli.Saidi@ARM.comconst int NumArgumentRegs = 4; 11610037SARM gem5 Developersconst int NumArgumentRegs64 = 8; 1176329Sgblack@eecs.umich.educonst int ArgumentReg0 = 0; 1186329Sgblack@eecs.umich.educonst int ArgumentReg1 = 1; 1196329Sgblack@eecs.umich.educonst int ArgumentReg2 = 2; 1206329Sgblack@eecs.umich.educonst int ArgumentReg3 = 3; 1216329Sgblack@eecs.umich.educonst int FramePointerReg = 11; 1226717Sgblack@eecs.umich.educonst int StackPointerReg = INTREG_SP; 1236717Sgblack@eecs.umich.educonst int ReturnAddressReg = INTREG_LR; 1246717Sgblack@eecs.umich.educonst int PCReg = INTREG_PC; 1256328SN/A 1266717Sgblack@eecs.umich.educonst int ZeroReg = INTREG_ZERO; 1276328SN/A 1286329Sgblack@eecs.umich.educonst int SyscallNumReg = ReturnValueReg; 1296329Sgblack@eecs.umich.educonst int SyscallPseudoReturnReg = ReturnValueReg; 1306329Sgblack@eecs.umich.educonst int SyscallSuccessReg = ReturnValueReg; 1316328SN/A 1326328SN/A} // namespace ArmISA 1336019SN/A 1346019SN/A#endif 135