registers.hh revision 13583:f7482392b097
1/* 2 * Copyright (c) 2003-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Gabe Black 29 * Ali Saidi 30 */ 31 32#ifndef __ARCH_SPARC_REGISTERS_HH__ 33#define __ARCH_SPARC_REGISTERS_HH__ 34 35#include "arch/generic/vec_reg.hh" 36#include "arch/sparc/generated/max_inst_regs.hh" 37#include "arch/sparc/miscregs.hh" 38#include "arch/sparc/sparc_traits.hh" 39#include "base/types.hh" 40 41namespace SparcISA 42{ 43 44using SparcISAInst::MaxInstSrcRegs; 45using SparcISAInst::MaxInstDestRegs; 46using SparcISAInst::MaxMiscDestRegs; 47 48// dummy typedef since we don't have CC regs 49typedef uint8_t CCReg; 50 51// dummy typedefs since we don't have vector regs 52constexpr unsigned NumVecElemPerVecReg = 2; 53using VecElem = uint32_t; 54using VecReg = ::VecRegT<VecElem, NumVecElemPerVecReg, false>; 55using ConstVecReg = ::VecRegT<VecElem, NumVecElemPerVecReg, true>; 56using VecRegContainer = VecReg::Container; 57// This has to be one to prevent warnings that are treated as errors 58constexpr unsigned NumVecRegs = 1; 59 60// semantically meaningful register indices 61const int ZeroReg = 0; // architecturally meaningful 62// the rest of these depend on the ABI 63const int ReturnAddressReg = 31; // post call, precall is 15 64const int ReturnValueReg = 8; // Post return, 24 is pre-return. 65const int StackPointerReg = 14; 66const int FramePointerReg = 30; 67 68// Some OS syscall use a second register (o1) to return a second value 69const int SyscallPseudoReturnReg = 9; 70 71const int NumIntArchRegs = 32; 72const int NumIntRegs = (MaxGL + 1) * 8 + NWindows * 16 + NumMicroIntRegs; 73const int NumCCRegs = 0; 74 75const int TotalNumRegs = NumIntRegs + NumFloatRegs + NumMiscRegs; 76 77} // namespace SparcISA 78 79#endif 80