registers.hh revision 13610
1/* 2 * Copyright (c) 2013 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions are 16 * met: redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer; 18 * redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution; 21 * neither the name of the copyright holders nor the names of its 22 * contributors may be used to endorse or promote products derived from 23 * this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36 * 37 * Authors: Andreas Hansson 38 */ 39 40#ifndef __ARCH_NULL_REGISTERS_HH__ 41#define __ARCH_NULL_REGISTERS_HH__ 42 43#include "arch/generic/vec_pred_reg.hh" 44#include "arch/generic/vec_reg.hh" 45#include "arch/types.hh" 46#include "base/types.hh" 47 48namespace NullISA { 49 50typedef RegVal IntReg; 51typedef RegVal FloatRegBits; 52typedef uint8_t CCReg; 53typedef RegVal MiscReg; 54const RegIndex ZeroReg = 0; 55 56// Not applicable to null 57using VecElem = ::DummyVecElem; 58using VecReg = ::DummyVecReg; 59using ConstVecReg = ::DummyConstVecReg; 60using VecRegContainer = ::DummyVecRegContainer; 61constexpr unsigned NumVecElemPerVecReg = ::DummyNumVecElemPerVecReg; 62constexpr size_t VecRegSizeBytes = ::DummyVecRegSizeBytes; 63 64// Not applicable to null 65using VecPredReg = ::DummyVecPredReg; 66using ConstVecPredReg = ::DummyConstVecPredReg; 67using VecPredRegContainer = ::DummyVecPredRegContainer; 68constexpr size_t VecPredRegSizeBits = ::DummyVecPredRegSizeBits; 69constexpr bool VecPredRegHasPackedRepr = ::DummyVecPredRegHasPackedRepr; 70 71} 72 73#endif // __ARCH_NULL_REGISTERS_HH__ 74