types.hh revision 7376
16019Shines@cs.fsu.edu/* 27097Sgblack@eecs.umich.edu * Copyright (c) 2010 ARM Limited 37097Sgblack@eecs.umich.edu * All rights reserved 47097Sgblack@eecs.umich.edu * 57097Sgblack@eecs.umich.edu * The license below extends only to copyright in the software and shall 67097Sgblack@eecs.umich.edu * not be construed as granting a license to any other intellectual 77097Sgblack@eecs.umich.edu * property including but not limited to intellectual property relating 87097Sgblack@eecs.umich.edu * to a hardware implementation of the functionality of the software 97097Sgblack@eecs.umich.edu * licensed hereunder. You may use the software subject to the license 107097Sgblack@eecs.umich.edu * terms below provided that you ensure that this notice is replicated 117097Sgblack@eecs.umich.edu * unmodified and in its entirety in all distributions of the software, 127097Sgblack@eecs.umich.edu * modified or unmodified, in source code or in binary form. 137097Sgblack@eecs.umich.edu * 146019Shines@cs.fsu.edu * Copyright (c) 2007-2008 The Florida State University 156019Shines@cs.fsu.edu * All rights reserved. 166019Shines@cs.fsu.edu * 176019Shines@cs.fsu.edu * Redistribution and use in source and binary forms, with or without 186019Shines@cs.fsu.edu * modification, are permitted provided that the following conditions are 196019Shines@cs.fsu.edu * met: redistributions of source code must retain the above copyright 206019Shines@cs.fsu.edu * notice, this list of conditions and the following disclaimer; 216019Shines@cs.fsu.edu * redistributions in binary form must reproduce the above copyright 226019Shines@cs.fsu.edu * notice, this list of conditions and the following disclaimer in the 236019Shines@cs.fsu.edu * documentation and/or other materials provided with the distribution; 246019Shines@cs.fsu.edu * neither the name of the copyright holders nor the names of its 256019Shines@cs.fsu.edu * contributors may be used to endorse or promote products derived from 266019Shines@cs.fsu.edu * this software without specific prior written permission. 276019Shines@cs.fsu.edu * 286019Shines@cs.fsu.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 296019Shines@cs.fsu.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 306019Shines@cs.fsu.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 316019Shines@cs.fsu.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 326019Shines@cs.fsu.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 336019Shines@cs.fsu.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 346019Shines@cs.fsu.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 356019Shines@cs.fsu.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 366019Shines@cs.fsu.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 376019Shines@cs.fsu.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 386019Shines@cs.fsu.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 396019Shines@cs.fsu.edu * 406019Shines@cs.fsu.edu * Authors: Stephen Hines 416019Shines@cs.fsu.edu */ 426019Shines@cs.fsu.edu 436019Shines@cs.fsu.edu#ifndef __ARCH_ARM_TYPES_HH__ 446019Shines@cs.fsu.edu#define __ARCH_ARM_TYPES_HH__ 456019Shines@cs.fsu.edu 466251Sgblack@eecs.umich.edu#include "base/bitunion.hh" 476214Snate@binkert.org#include "base/types.hh" 486019Shines@cs.fsu.edu 496019Shines@cs.fsu.edunamespace ArmISA 506019Shines@cs.fsu.edu{ 516019Shines@cs.fsu.edu typedef uint32_t MachInst; 526251Sgblack@eecs.umich.edu 536267Sgblack@eecs.umich.edu BitUnion64(ExtMachInst) 547376Sgblack@eecs.umich.edu // FPSCR fields 557376Sgblack@eecs.umich.edu Bitfield<41, 40> fpscrStride; 567376Sgblack@eecs.umich.edu Bitfield<39, 37> fpscrLen; 577376Sgblack@eecs.umich.edu 587097Sgblack@eecs.umich.edu // Bitfields to select mode. 597097Sgblack@eecs.umich.edu Bitfield<36> thumb; 607097Sgblack@eecs.umich.edu Bitfield<35> bigThumb; 617097Sgblack@eecs.umich.edu 626267Sgblack@eecs.umich.edu // Made up bitfields that make life easier. 636267Sgblack@eecs.umich.edu Bitfield<33> sevenAndFour; 646267Sgblack@eecs.umich.edu Bitfield<32> isMisc; 656267Sgblack@eecs.umich.edu 667098Sgblack@eecs.umich.edu uint32_t instBits; 677098Sgblack@eecs.umich.edu 686251Sgblack@eecs.umich.edu // All the different types of opcode fields. 696268Sgblack@eecs.umich.edu Bitfield<27, 25> encoding; 706749Sgblack@eecs.umich.edu Bitfield<25> useImm; 716268Sgblack@eecs.umich.edu Bitfield<24, 21> opcode; 726269Sgblack@eecs.umich.edu Bitfield<24, 20> mediaOpcode; 736251Sgblack@eecs.umich.edu Bitfield<24> opcode24; 747161Sgblack@eecs.umich.edu Bitfield<24, 23> opcode24_23; 756251Sgblack@eecs.umich.edu Bitfield<23, 20> opcode23_20; 766251Sgblack@eecs.umich.edu Bitfield<23, 21> opcode23_21; 776743Ssaidi@eecs.umich.edu Bitfield<20> opcode20; 786251Sgblack@eecs.umich.edu Bitfield<22> opcode22; 797105Sgblack@eecs.umich.edu Bitfield<19, 16> opcode19_16; 806251Sgblack@eecs.umich.edu Bitfield<19> opcode19; 816741Sgblack@eecs.umich.edu Bitfield<18> opcode18; 826251Sgblack@eecs.umich.edu Bitfield<15, 12> opcode15_12; 836251Sgblack@eecs.umich.edu Bitfield<15> opcode15; 846268Sgblack@eecs.umich.edu Bitfield<7, 4> miscOpcode; 856759SAli.Saidi@ARM.com Bitfield<7,5> opc2; 866251Sgblack@eecs.umich.edu Bitfield<7> opcode7; 877105Sgblack@eecs.umich.edu Bitfield<6> opcode6; 886251Sgblack@eecs.umich.edu Bitfield<4> opcode4; 896251Sgblack@eecs.umich.edu 906251Sgblack@eecs.umich.edu Bitfield<31, 28> condCode; 916251Sgblack@eecs.umich.edu Bitfield<20> sField; 926251Sgblack@eecs.umich.edu Bitfield<19, 16> rn; 936251Sgblack@eecs.umich.edu Bitfield<15, 12> rd; 947121Sgblack@eecs.umich.edu Bitfield<15, 12> rt; 956251Sgblack@eecs.umich.edu Bitfield<11, 7> shiftSize; 966251Sgblack@eecs.umich.edu Bitfield<6, 5> shift; 976251Sgblack@eecs.umich.edu Bitfield<3, 0> rm; 986251Sgblack@eecs.umich.edu 996251Sgblack@eecs.umich.edu Bitfield<11, 8> rs; 1006251Sgblack@eecs.umich.edu 1016251Sgblack@eecs.umich.edu SubBitUnion(puswl, 24, 20) 1026251Sgblack@eecs.umich.edu Bitfield<24> prepost; 1036251Sgblack@eecs.umich.edu Bitfield<23> up; 1046251Sgblack@eecs.umich.edu Bitfield<22> psruser; 1056251Sgblack@eecs.umich.edu Bitfield<21> writeback; 1066251Sgblack@eecs.umich.edu Bitfield<20> loadOp; 1076251Sgblack@eecs.umich.edu EndSubBitUnion(puswl) 1086251Sgblack@eecs.umich.edu 1096251Sgblack@eecs.umich.edu Bitfield<24, 20> pubwl; 1106251Sgblack@eecs.umich.edu 1116275Sgblack@eecs.umich.edu Bitfield<7, 0> imm; 1126251Sgblack@eecs.umich.edu 1136251Sgblack@eecs.umich.edu Bitfield<11, 8> rotate; 1146275Sgblack@eecs.umich.edu 1156275Sgblack@eecs.umich.edu Bitfield<11, 0> immed11_0; 1166251Sgblack@eecs.umich.edu Bitfield<7, 0> immed7_0; 1176251Sgblack@eecs.umich.edu 1186251Sgblack@eecs.umich.edu Bitfield<11, 8> immedHi11_8; 1196251Sgblack@eecs.umich.edu Bitfield<3, 0> immedLo3_0; 1206251Sgblack@eecs.umich.edu 1216251Sgblack@eecs.umich.edu Bitfield<15, 0> regList; 1226251Sgblack@eecs.umich.edu 1236251Sgblack@eecs.umich.edu Bitfield<23, 0> offset; 1246251Sgblack@eecs.umich.edu 1256251Sgblack@eecs.umich.edu Bitfield<23, 0> immed23_0; 1266251Sgblack@eecs.umich.edu 1276251Sgblack@eecs.umich.edu Bitfield<11, 8> cpNum; 1286251Sgblack@eecs.umich.edu Bitfield<18, 16> fn; 1296251Sgblack@eecs.umich.edu Bitfield<14, 12> fd; 1306251Sgblack@eecs.umich.edu Bitfield<3> fpRegImm; 1316251Sgblack@eecs.umich.edu Bitfield<3, 0> fm; 1326251Sgblack@eecs.umich.edu Bitfield<2, 0> fpImm; 1336251Sgblack@eecs.umich.edu Bitfield<24, 20> punwl; 1346251Sgblack@eecs.umich.edu 1356251Sgblack@eecs.umich.edu Bitfield<7, 0> m5Func; 1367103Sgblack@eecs.umich.edu 1377103Sgblack@eecs.umich.edu // 16 bit thumb bitfields 1387103Sgblack@eecs.umich.edu Bitfield<15, 13> topcode15_13; 1397103Sgblack@eecs.umich.edu Bitfield<13, 11> topcode13_11; 1407103Sgblack@eecs.umich.edu Bitfield<12, 11> topcode12_11; 1417103Sgblack@eecs.umich.edu Bitfield<12, 10> topcode12_10; 1427103Sgblack@eecs.umich.edu Bitfield<11, 9> topcode11_9; 1437103Sgblack@eecs.umich.edu Bitfield<11, 8> topcode11_8; 1447103Sgblack@eecs.umich.edu Bitfield<10, 9> topcode10_9; 1457103Sgblack@eecs.umich.edu Bitfield<10, 8> topcode10_8; 1467103Sgblack@eecs.umich.edu Bitfield<9, 6> topcode9_6; 1477103Sgblack@eecs.umich.edu Bitfield<7> topcode7; 1487103Sgblack@eecs.umich.edu Bitfield<7, 6> topcode7_6; 1497103Sgblack@eecs.umich.edu Bitfield<7, 5> topcode7_5; 1507103Sgblack@eecs.umich.edu Bitfield<7, 4> topcode7_4; 1517103Sgblack@eecs.umich.edu Bitfield<3, 0> topcode3_0; 1527106Sgblack@eecs.umich.edu 1537106Sgblack@eecs.umich.edu // 32 bit thumb bitfields 1547106Sgblack@eecs.umich.edu Bitfield<28, 27> htopcode12_11; 1557106Sgblack@eecs.umich.edu Bitfield<26, 25> htopcode10_9; 1567106Sgblack@eecs.umich.edu Bitfield<25> htopcode9; 1577106Sgblack@eecs.umich.edu Bitfield<25, 24> htopcode9_8; 1587106Sgblack@eecs.umich.edu Bitfield<25, 21> htopcode9_5; 1597106Sgblack@eecs.umich.edu Bitfield<25, 20> htopcode9_4; 1607106Sgblack@eecs.umich.edu Bitfield<24> htopcode8; 1617106Sgblack@eecs.umich.edu Bitfield<24, 23> htopcode8_7; 1627106Sgblack@eecs.umich.edu Bitfield<24, 22> htopcode8_6; 1637106Sgblack@eecs.umich.edu Bitfield<24, 21> htopcode8_5; 1647113Sgblack@eecs.umich.edu Bitfield<23> htopcode7; 1657116Sgblack@eecs.umich.edu Bitfield<23, 21> htopcode7_5; 1667245Sgblack@eecs.umich.edu Bitfield<22> htopcode6; 1677106Sgblack@eecs.umich.edu Bitfield<22, 21> htopcode6_5; 1687106Sgblack@eecs.umich.edu Bitfield<21, 20> htopcode5_4; 1697106Sgblack@eecs.umich.edu Bitfield<20> htopcode4; 1707106Sgblack@eecs.umich.edu 1717106Sgblack@eecs.umich.edu Bitfield<19, 16> htrn; 1727106Sgblack@eecs.umich.edu Bitfield<20> hts; 1737106Sgblack@eecs.umich.edu 1747106Sgblack@eecs.umich.edu Bitfield<15> ltopcode15; 1757113Sgblack@eecs.umich.edu Bitfield<11, 8> ltopcode11_8; 1767113Sgblack@eecs.umich.edu Bitfield<7, 6> ltopcode7_6; 1777106Sgblack@eecs.umich.edu Bitfield<7, 4> ltopcode7_4; 1787106Sgblack@eecs.umich.edu Bitfield<4> ltopcode4; 1797106Sgblack@eecs.umich.edu 1807106Sgblack@eecs.umich.edu Bitfield<11, 8> ltrd; 1817106Sgblack@eecs.umich.edu Bitfield<11, 8> ltcoproc; 1826251Sgblack@eecs.umich.edu EndBitUnion(ExtMachInst) 1836251Sgblack@eecs.umich.edu 1846254Sgblack@eecs.umich.edu // Shift types for ARM instructions 1856254Sgblack@eecs.umich.edu enum ArmShiftType { 1866254Sgblack@eecs.umich.edu LSL = 0, 1876254Sgblack@eecs.umich.edu LSR, 1886254Sgblack@eecs.umich.edu ASR, 1896254Sgblack@eecs.umich.edu ROR 1906254Sgblack@eecs.umich.edu }; 1916254Sgblack@eecs.umich.edu 1926019Shines@cs.fsu.edu typedef uint64_t LargestRead; 1936019Shines@cs.fsu.edu // Need to use 64 bits to make sure that read requests get handled properly 1946019Shines@cs.fsu.edu 1956019Shines@cs.fsu.edu typedef int RegContextParam; 1966019Shines@cs.fsu.edu typedef int RegContextVal; 1976019Shines@cs.fsu.edu 1986019Shines@cs.fsu.edu //used in FP convert & round function 1996019Shines@cs.fsu.edu enum ConvertType{ 2006019Shines@cs.fsu.edu SINGLE_TO_DOUBLE, 2016019Shines@cs.fsu.edu SINGLE_TO_WORD, 2026019Shines@cs.fsu.edu SINGLE_TO_LONG, 2036019Shines@cs.fsu.edu 2046019Shines@cs.fsu.edu DOUBLE_TO_SINGLE, 2056019Shines@cs.fsu.edu DOUBLE_TO_WORD, 2066019Shines@cs.fsu.edu DOUBLE_TO_LONG, 2076019Shines@cs.fsu.edu 2086019Shines@cs.fsu.edu LONG_TO_SINGLE, 2096019Shines@cs.fsu.edu LONG_TO_DOUBLE, 2106019Shines@cs.fsu.edu LONG_TO_WORD, 2116019Shines@cs.fsu.edu LONG_TO_PS, 2126019Shines@cs.fsu.edu 2136019Shines@cs.fsu.edu WORD_TO_SINGLE, 2146019Shines@cs.fsu.edu WORD_TO_DOUBLE, 2156019Shines@cs.fsu.edu WORD_TO_LONG, 2166019Shines@cs.fsu.edu WORD_TO_PS, 2176019Shines@cs.fsu.edu 2186019Shines@cs.fsu.edu PL_TO_SINGLE, 2196019Shines@cs.fsu.edu PU_TO_SINGLE 2206019Shines@cs.fsu.edu }; 2216019Shines@cs.fsu.edu 2226019Shines@cs.fsu.edu //used in FP convert & round function 2236019Shines@cs.fsu.edu enum RoundMode{ 2246019Shines@cs.fsu.edu RND_ZERO, 2256019Shines@cs.fsu.edu RND_DOWN, 2266019Shines@cs.fsu.edu RND_UP, 2276019Shines@cs.fsu.edu RND_NEAREST 2286019Shines@cs.fsu.edu }; 2296019Shines@cs.fsu.edu 2306019Shines@cs.fsu.edu enum OperatingMode { 2316019Shines@cs.fsu.edu MODE_USER = 16, 2326019Shines@cs.fsu.edu MODE_FIQ = 17, 2336019Shines@cs.fsu.edu MODE_IRQ = 18, 2346019Shines@cs.fsu.edu MODE_SVC = 19, 2356723Sgblack@eecs.umich.edu MODE_MON = 22, 2366019Shines@cs.fsu.edu MODE_ABORT = 23, 2376019Shines@cs.fsu.edu MODE_UNDEFINED = 27, 2386019Shines@cs.fsu.edu MODE_SYSTEM = 31 2396019Shines@cs.fsu.edu }; 2406019Shines@cs.fsu.edu 2417311Sgblack@eecs.umich.edu static inline bool 2427311Sgblack@eecs.umich.edu badMode(OperatingMode mode) 2437311Sgblack@eecs.umich.edu { 2447311Sgblack@eecs.umich.edu switch (mode) { 2457311Sgblack@eecs.umich.edu case MODE_USER: 2467311Sgblack@eecs.umich.edu case MODE_FIQ: 2477311Sgblack@eecs.umich.edu case MODE_IRQ: 2487311Sgblack@eecs.umich.edu case MODE_SVC: 2497311Sgblack@eecs.umich.edu case MODE_MON: 2507311Sgblack@eecs.umich.edu case MODE_ABORT: 2517311Sgblack@eecs.umich.edu case MODE_UNDEFINED: 2527311Sgblack@eecs.umich.edu case MODE_SYSTEM: 2537311Sgblack@eecs.umich.edu return false; 2547311Sgblack@eecs.umich.edu default: 2557311Sgblack@eecs.umich.edu return true; 2567311Sgblack@eecs.umich.edu } 2577311Sgblack@eecs.umich.edu } 2587311Sgblack@eecs.umich.edu 2596019Shines@cs.fsu.edu struct CoreSpecific { 2606019Shines@cs.fsu.edu // Empty for now on the ARM 2616019Shines@cs.fsu.edu }; 2626019Shines@cs.fsu.edu 2636019Shines@cs.fsu.edu} // namespace ArmISA 2646019Shines@cs.fsu.edu 2656019Shines@cs.fsu.edu#endif 266