types.hh revision 6314:781969fbeca9
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<15, 12> opcode15_12; 56 Bitfield<15> opcode15; 57 Bitfield<7, 4> miscOpcode; 58 Bitfield<7> opcode7; 59 Bitfield<4> opcode4; 60 61 Bitfield<31, 28> condCode; 62 Bitfield<20> sField; 63 Bitfield<19, 16> rn; 64 Bitfield<15, 12> rd; 65 Bitfield<11, 7> shiftSize; 66 Bitfield<6, 5> shift; 67 Bitfield<3, 0> rm; 68 69 Bitfield<11, 8> rs; 70 71 SubBitUnion(puswl, 24, 20) 72 Bitfield<24> prepost; 73 Bitfield<23> up; 74 Bitfield<22> psruser; 75 Bitfield<21> writeback; 76 Bitfield<20> loadOp; 77 EndSubBitUnion(puswl) 78 79 Bitfield<24, 20> pubwl; 80 81 Bitfield<7, 0> imm; 82 83 Bitfield<11, 8> rotate; 84 85 Bitfield<11, 0> immed11_0; 86 Bitfield<7, 0> immed7_0; 87 88 Bitfield<11, 8> immedHi11_8; 89 Bitfield<3, 0> immedLo3_0; 90 91 Bitfield<15, 0> regList; 92 93 Bitfield<23, 0> offset; 94 95 Bitfield<23, 0> immed23_0; 96 97 Bitfield<11, 8> cpNum; 98 Bitfield<18, 16> fn; 99 Bitfield<14, 12> fd; 100 Bitfield<3> fpRegImm; 101 Bitfield<3, 0> fm; 102 Bitfield<2, 0> fpImm; 103 Bitfield<24, 20> punwl; 104 105 Bitfield<7, 0> m5Func; 106 EndBitUnion(ExtMachInst) 107 108 // Shift types for ARM instructions 109 enum ArmShiftType { 110 LSL = 0, 111 LSR, 112 ASR, 113 ROR 114 }; 115 116 typedef uint8_t RegIndex; 117 118 typedef uint64_t IntReg; 119 typedef uint64_t LargestRead; 120 // Need to use 64 bits to make sure that read requests get handled properly 121 122 // floating point register file entry type 123 typedef uint32_t FloatRegBits; 124 typedef float FloatReg; 125 126 // cop-0/cop-1 system control register 127 typedef uint64_t MiscReg; 128 129 typedef union { 130 IntReg intreg; 131 FloatReg fpreg; 132 MiscReg ctrlreg; 133 } AnyReg; 134 135 typedef int RegContextParam; 136 typedef int RegContextVal; 137 138 //used in FP convert & round function 139 enum ConvertType{ 140 SINGLE_TO_DOUBLE, 141 SINGLE_TO_WORD, 142 SINGLE_TO_LONG, 143 144 DOUBLE_TO_SINGLE, 145 DOUBLE_TO_WORD, 146 DOUBLE_TO_LONG, 147 148 LONG_TO_SINGLE, 149 LONG_TO_DOUBLE, 150 LONG_TO_WORD, 151 LONG_TO_PS, 152 153 WORD_TO_SINGLE, 154 WORD_TO_DOUBLE, 155 WORD_TO_LONG, 156 WORD_TO_PS, 157 158 PL_TO_SINGLE, 159 PU_TO_SINGLE 160 }; 161 162 //used in FP convert & round function 163 enum RoundMode{ 164 RND_ZERO, 165 RND_DOWN, 166 RND_UP, 167 RND_NEAREST 168 }; 169 170 enum OperatingMode { 171 MODE_USER = 16, 172 MODE_FIQ = 17, 173 MODE_IRQ = 18, 174 MODE_SVC = 19, 175 MODE_ABORT = 23, 176 MODE_UNDEFINED = 27, 177 MODE_SYSTEM = 31 178 }; 179 180 struct CoreSpecific { 181 // Empty for now on the ARM 182 }; 183 184} // namespace ArmISA 185 186#endif 187