registers.hh revision 6329
12459SN/A/* 22459SN/A * Copyright (c) 2003-2005 The Regents of The University of Michigan 32459SN/A * All rights reserved. 42459SN/A * 52459SN/A * Redistribution and use in source and binary forms, with or without 62459SN/A * modification, are permitted provided that the following conditions are 72459SN/A * met: redistributions of source code must retain the above copyright 82459SN/A * notice, this list of conditions and the following disclaimer; 92459SN/A * redistributions in binary form must reproduce the above copyright 102459SN/A * notice, this list of conditions and the following disclaimer in the 112459SN/A * documentation and/or other materials provided with the distribution; 122459SN/A * neither the name of the copyright holders nor the names of its 132459SN/A * contributors may be used to endorse or promote products derived from 142459SN/A * this software without specific prior written permission. 152459SN/A * 162459SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172459SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182459SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192459SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202459SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212459SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222459SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232459SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242459SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252459SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262459SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665SN/A * 282665SN/A * Authors: Gabe Black 292665SN/A * Ali Saidi 302459SN/A */ 312459SN/A 326329Sgblack@eecs.umich.edu#ifndef __ARCH_SPARC_REGISTERS_HH__ 336329Sgblack@eecs.umich.edu#define __ARCH_SPARC_REGISTERS_HH__ 342459SN/A 356329Sgblack@eecs.umich.edu#include "arch/sparc/max_inst_regs.hh" 366329Sgblack@eecs.umich.edu#include "arch/sparc/miscregs.hh" 376320SN/A#include "arch/sparc/sparc_traits.hh" 386329Sgblack@eecs.umich.edu#include "base/types.hh" 392459SN/A 402459SN/Anamespace SparcISA 412459SN/A{ 426329Sgblack@eecs.umich.edu using SparcISAInst::MaxInstSrcRegs; 436329Sgblack@eecs.umich.edu using SparcISAInst::MaxInstDestRegs; 446329Sgblack@eecs.umich.edu 456329Sgblack@eecs.umich.edu typedef uint64_t IntReg; 466329Sgblack@eecs.umich.edu typedef uint64_t MiscReg; 476329Sgblack@eecs.umich.edu typedef float FloatReg; 486329Sgblack@eecs.umich.edu typedef uint32_t FloatRegBits; 496329Sgblack@eecs.umich.edu typedef union 506329Sgblack@eecs.umich.edu { 516329Sgblack@eecs.umich.edu IntReg intReg; 526329Sgblack@eecs.umich.edu FloatReg fpreg; 536329Sgblack@eecs.umich.edu MiscReg ctrlreg; 546329Sgblack@eecs.umich.edu } AnyReg; 556329Sgblack@eecs.umich.edu 566329Sgblack@eecs.umich.edu typedef uint16_t RegIndex; 576329Sgblack@eecs.umich.edu 586329Sgblack@eecs.umich.edu // These enumerate all the registers for dependence tracking. 596329Sgblack@eecs.umich.edu enum DependenceTags { 606329Sgblack@eecs.umich.edu FP_Base_DepTag = 32*3+9, 616329Sgblack@eecs.umich.edu Ctrl_Base_DepTag = FP_Base_DepTag + 64 626329Sgblack@eecs.umich.edu }; 636329Sgblack@eecs.umich.edu 646329Sgblack@eecs.umich.edu // semantically meaningful register indices 656329Sgblack@eecs.umich.edu const int ZeroReg = 0; // architecturally meaningful 666329Sgblack@eecs.umich.edu // the rest of these depend on the ABI 676329Sgblack@eecs.umich.edu const int ReturnAddressReg = 31; // post call, precall is 15 686329Sgblack@eecs.umich.edu const int ReturnValueReg = 8; // Post return, 24 is pre-return. 696329Sgblack@eecs.umich.edu const int StackPointerReg = 14; 706329Sgblack@eecs.umich.edu const int FramePointerReg = 30; 716329Sgblack@eecs.umich.edu 726329Sgblack@eecs.umich.edu // Some OS syscall use a second register (o1) to return a second value 736329Sgblack@eecs.umich.edu const int SyscallPseudoReturnReg = 9; 746329Sgblack@eecs.umich.edu 756320SN/A const int NumIntArchRegs = 32; 766320SN/A const int NumIntRegs = (MaxGL + 1) * 8 + NWindows * 16 + NumMicroIntRegs; 776320SN/A 782459SN/A} // namespace SparcISA 792459SN/A 802459SN/A#endif 81