types.hh revision 6741
1/* 2 * Copyright (c) 2007-2008 The Florida State University 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: Stephen Hines 29 */ 30 31#ifndef __ARCH_ARM_TYPES_HH__ 32#define __ARCH_ARM_TYPES_HH__ 33 34#include "base/bitunion.hh" 35#include "base/types.hh" 36 37namespace ArmISA 38{ 39 typedef uint32_t MachInst; 40 41 BitUnion64(ExtMachInst) 42 // Made up bitfields that make life easier. 43 Bitfield<33> sevenAndFour; 44 Bitfield<32> isMisc; 45 46 // All the different types of opcode fields. 47 Bitfield<27, 25> encoding; 48 Bitfield<24, 21> opcode; 49 Bitfield<24, 20> mediaOpcode; 50 Bitfield<24> opcode24; 51 Bitfield<23, 20> opcode23_20; 52 Bitfield<23, 21> opcode23_21; 53 Bitfield<22> opcode22; 54 Bitfield<19> opcode19; 55 Bitfield<18> opcode18; 56 Bitfield<15, 12> opcode15_12; 57 Bitfield<15> opcode15; 58 Bitfield<7, 4> miscOpcode; 59 Bitfield<7> opcode7; 60 Bitfield<4> opcode4; 61 62 Bitfield<31, 28> condCode; 63 Bitfield<20> sField; 64 Bitfield<19, 16> rn; 65 Bitfield<15, 12> rd; 66 Bitfield<11, 7> shiftSize; 67 Bitfield<6, 5> shift; 68 Bitfield<3, 0> rm; 69 70 Bitfield<11, 8> rs; 71 72 SubBitUnion(puswl, 24, 20) 73 Bitfield<24> prepost; 74 Bitfield<23> up; 75 Bitfield<22> psruser; 76 Bitfield<21> writeback; 77 Bitfield<20> loadOp; 78 EndSubBitUnion(puswl) 79 80 Bitfield<24, 20> pubwl; 81 82 Bitfield<7, 0> imm; 83 84 Bitfield<11, 8> rotate; 85 86 Bitfield<11, 0> immed11_0; 87 Bitfield<7, 0> immed7_0; 88 89 Bitfield<11, 8> immedHi11_8; 90 Bitfield<3, 0> immedLo3_0; 91 92 Bitfield<15, 0> regList; 93 94 Bitfield<23, 0> offset; 95 96 Bitfield<23, 0> immed23_0; 97 98 Bitfield<11, 8> cpNum; 99 Bitfield<18, 16> fn; 100 Bitfield<14, 12> fd; 101 Bitfield<3> fpRegImm; 102 Bitfield<3, 0> fm; 103 Bitfield<2, 0> fpImm; 104 Bitfield<24, 20> punwl; 105 106 Bitfield<7, 0> m5Func; 107 EndBitUnion(ExtMachInst) 108 109 // Shift types for ARM instructions 110 enum ArmShiftType { 111 LSL = 0, 112 LSR, 113 ASR, 114 ROR 115 }; 116 117 typedef uint64_t LargestRead; 118 // Need to use 64 bits to make sure that read requests get handled properly 119 120 typedef int RegContextParam; 121 typedef int RegContextVal; 122 123 //used in FP convert & round function 124 enum ConvertType{ 125 SINGLE_TO_DOUBLE, 126 SINGLE_TO_WORD, 127 SINGLE_TO_LONG, 128 129 DOUBLE_TO_SINGLE, 130 DOUBLE_TO_WORD, 131 DOUBLE_TO_LONG, 132 133 LONG_TO_SINGLE, 134 LONG_TO_DOUBLE, 135 LONG_TO_WORD, 136 LONG_TO_PS, 137 138 WORD_TO_SINGLE, 139 WORD_TO_DOUBLE, 140 WORD_TO_LONG, 141 WORD_TO_PS, 142 143 PL_TO_SINGLE, 144 PU_TO_SINGLE 145 }; 146 147 //used in FP convert & round function 148 enum RoundMode{ 149 RND_ZERO, 150 RND_DOWN, 151 RND_UP, 152 RND_NEAREST 153 }; 154 155 enum OperatingMode { 156 MODE_USER = 16, 157 MODE_FIQ = 17, 158 MODE_IRQ = 18, 159 MODE_SVC = 19, 160 MODE_MON = 22, 161 MODE_ABORT = 23, 162 MODE_UNDEFINED = 27, 163 MODE_SYSTEM = 31 164 }; 165 166 struct CoreSpecific { 167 // Empty for now on the ARM 168 }; 169 170} // namespace ArmISA 171 172#endif 173