16019SN/A// -*- mode:c++ -*- 26019SN/A 38868SMatt.Horsnell@arm.com// Copyright (c) 2010-2012 ARM Limited 47102SN/A// All rights reserved 57102SN/A// 67102SN/A// The license below extends only to copyright in the software and shall 77102SN/A// not be construed as granting a license to any other intellectual 87102SN/A// property including but not limited to intellectual property relating 97102SN/A// to a hardware implementation of the functionality of the software 107102SN/A// licensed hereunder. You may use the software subject to the license 117102SN/A// terms below provided that you ensure that this notice is replicated 127102SN/A// unmodified and in its entirety in all distributions of the software, 137102SN/A// modified or unmodified, in source code or in binary form. 147102SN/A// 157102SN/A// Copyright (c) 2009 The Regents of The University of Michigan 166019SN/A// All rights reserved. 176019SN/A// 186019SN/A// Redistribution and use in source and binary forms, with or without 196019SN/A// modification, are permitted provided that the following conditions are 206019SN/A// met: redistributions of source code must retain the above copyright 216019SN/A// notice, this list of conditions and the following disclaimer; 226019SN/A// redistributions in binary form must reproduce the above copyright 236019SN/A// notice, this list of conditions and the following disclaimer in the 246019SN/A// documentation and/or other materials provided with the distribution; 256019SN/A// neither the name of the copyright holders nor the names of its 266019SN/A// contributors may be used to endorse or promote products derived from 276019SN/A// this software without specific prior written permission. 286019SN/A// 296019SN/A// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 306019SN/A// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 316019SN/A// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 326019SN/A// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 336019SN/A// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 346019SN/A// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 356019SN/A// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 366019SN/A// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 376019SN/A// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 386019SN/A// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 396019SN/A// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 406019SN/A// 417102SN/A// Authors: Gabe Black 426019SN/A 437433Sgblack@eecs.umich.edudecode BIGTHUMB { 447104SN/A // 16 bit thumb instructions. 457104SN/A 0: decode TOPCODE_15_13 { 467141Sgblack@eecs.umich.edu 0x0, 0x1: Thumb16ShiftAddSubMoveCmp::thumb16ShiftAddMoveCmp(); 477104SN/A 0x2: decode TOPCODE_12_10 { 487141Sgblack@eecs.umich.edu 0x0: Thumb16DataProcessing::thumb16DataProcessing(); 497141Sgblack@eecs.umich.edu 0x1: Thumb16SpecDataAndBx::thumb16SpecDataAndBx(); 507126Sgblack@eecs.umich.edu 0x2, 0x3: Thumb16MemLit::thumb16MemLit(); 517124Sgblack@eecs.umich.edu default: Thumb16MemReg::thumb16MemReg(); 527104SN/A } 537125Sgblack@eecs.umich.edu 0x3, 0x4: Thumb16MemImm::thumb16MemImm(); 547104SN/A 0x5: decode TOPCODE_12_11 { 557141Sgblack@eecs.umich.edu 0x0: Thumb16Adr::thumb16Adr(); 567141Sgblack@eecs.umich.edu 0x1: Thumb16AddSp::thumb16AddSp(); //sp, immediate 577141Sgblack@eecs.umich.edu 0x2, 0x3: Thumb16Misc::thumb16Misc(); 587104SN/A } 597104SN/A 0x6: decode TOPCODE_12_11 { 607135Sgblack@eecs.umich.edu 0x0, 0x1: Thumb16MacroMem::thumb16MacroMem(); 617154Sgblack@eecs.umich.edu 0x2, 0x3: Thumb16CondBranchAndSvc::thumb16CondBranchAndSvc(); 627104SN/A } 637104SN/A 0x7: decode TOPCODE_12_11 { 647154Sgblack@eecs.umich.edu 0x0: Thumb16UncondBranch::thumb16UncondBranch(); 657104SN/A } 667104SN/A } 677107SN/A 687107SN/A // 32 bit thumb instructions. 697107SN/A 1: decode HTOPCODE_12_11 { 707107SN/A 0x1: decode HTOPCODE_10_9 { 717245Sgblack@eecs.umich.edu 0x0: decode HTOPCODE_6 { 727245Sgblack@eecs.umich.edu 0x0: decode HTOPCODE_8_7 { 737293Sgblack@eecs.umich.edu 0x0, 0x3: Thumb32SrsRfe::thumb32SrsRfe(); 747245Sgblack@eecs.umich.edu // This uses the same encoding as regular ARM. 757245Sgblack@eecs.umich.edu default: ArmMacroMem::armMacroMem(); 767107SN/A } 777245Sgblack@eecs.umich.edu 0x1: Thumb32LdrStrDExTbh::thumb32LdrStrDExTbh(); 787107SN/A } 797141Sgblack@eecs.umich.edu 0x1: Thumb32DataProcShiftReg::thumb32DataProcShiftReg(); 807107SN/A default: decode HTOPCODE_9_8 { 817107SN/A 0x2: decode LTOPCODE_4 { 827107SN/A 0x0: decode LTCOPROC { 837363Sgblack@eecs.umich.edu 0xa, 0xb: VfpData::vfpData(); 847107SN/A default: WarnUnimpl::cdp(); // cdp2 857107SN/A } 867107SN/A 0x1: decode LTCOPROC { 877732SAli.Saidi@ARM.com 0x1: M5ops::m5ops(); 887321Sgblack@eecs.umich.edu 0xa, 0xb: ShortFpTransfer::shortFpTransfer(); 898868SMatt.Horsnell@arm.com 0xe: McrMrc14::mcrMrc14(); 907339Sgblack@eecs.umich.edu 0xf: McrMrc15::mcrMrc15(); 917107SN/A } 927107SN/A } 937639Sgblack@eecs.umich.edu 0x3: ThumbNeonData::ThumbNeonData(); 947107SN/A default: decode LTCOPROC { 957340Sgblack@eecs.umich.edu 0xa, 0xb: ExtensionRegLoadStore::extensionRegLoadStre(); 967340Sgblack@eecs.umich.edu 0xf: decode HTOPCODE_9_4 { 977281Sgblack@eecs.umich.edu 0x00: Unknown::undefined(); 9810037SARM gem5 Developers 0x04: decode LTCOPROC { 9910037SARM gem5 Developers 0xf: Mcrr15::Mcrr15(); 10010037SARM gem5 Developers default: WarnUnimpl::mcrr(); // mcrr2 10110037SARM gem5 Developers } 10210037SARM gem5 Developers 0x05: decode LTCOPROC { 10310037SARM gem5 Developers 0xf: Mrrc15::Mrrc15(); 10410037SARM gem5 Developers default: WarnUnimpl::mrrc(); // mrrc2 10510037SARM gem5 Developers } 1067107SN/A 0x02, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 1077107SN/A 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e: 1087107SN/A WarnUnimpl::stc(); // stc2 1097107SN/A 0x03, 0x07, 0x09, 0x0b, 0x0d, 0x0f, 0x11, 1107107SN/A 0x13, 0x15, 0x17, 0x19, 0x1b, 0x1d, 0x1f: 1117107SN/A decode HTRN { 1127107SN/A 0xf: WarnUnimpl::ldc(); // ldc2 (literal) 1137107SN/A default: WarnUnimpl::ldc(); // ldc2 (immediate) 1147107SN/A } 1157107SN/A } 1167107SN/A } 1177107SN/A } 1187107SN/A } 1197107SN/A 0x2: decode LTOPCODE_15 { 1207107SN/A 0x0: decode HTOPCODE_9 { 1217141Sgblack@eecs.umich.edu 0x0: Thumb32DataProcModImm::thumb32DataProcModImm(); 1227157Sgblack@eecs.umich.edu 0x1: Thumb32DataProcPlainBin::thumb32DataProcPlainBin(); 1237107SN/A } 1247155Sgblack@eecs.umich.edu 0x1: Thumb32BranchesAndMiscCtrl::thumb32BranchesAndMiscCtrl(); 1257107SN/A } 1267107SN/A 0x3: decode HTOPCODE_10_9 { 1277107SN/A 0x0: decode HTOPCODE_4 { 1287107SN/A 0x0: decode HTOPCODE_8 { 1297123Sgblack@eecs.umich.edu 0x0: Thumb32StoreSingle::thumb32StoreSingle(); 1307435Sgblack@eecs.umich.edu 0x1: ThumbNeonMem::thumbNeonMem(); 1317107SN/A } 1327107SN/A 0x1: decode HTOPCODE_6_5 { 1337278Sgblack@eecs.umich.edu 0x0: LoadByteMemoryHints::loadByteMemoryHints(); 1347277Sgblack@eecs.umich.edu 0x1: LoadHalfwordMemoryHints::loadHalfwordMemoryHints(); 1357121Sgblack@eecs.umich.edu 0x2: Thumb32LoadWord::thumb32LoadWord(); 1367107SN/A } 1377107SN/A } 1387107SN/A 0x1: decode HTOPCODE_8_7 { 1397161Sgblack@eecs.umich.edu 0x2: Thumb32MulMulAccAndAbsDiff::thumb32MulMulAccAndAbsDiff(); 1407161Sgblack@eecs.umich.edu 0x3: Thumb32LongMulMulAccAndDiv::thumb32LongMulMulAccAndDiv(); 1417213Sgblack@eecs.umich.edu default: Thumb32DataProcReg::thumb32DataProcReg(); 1427107SN/A } 1437107SN/A default: decode HTOPCODE_9_8 { 1447107SN/A 0x2: decode LTOPCODE_4 { 1457107SN/A 0x0: decode LTCOPROC { 1467363Sgblack@eecs.umich.edu 0xa, 0xb: VfpData::vfpData(); 1477107SN/A default: WarnUnimpl::cdp(); // cdp2 1487107SN/A } 1497107SN/A 0x1: decode LTCOPROC { 1507732SAli.Saidi@ARM.com 0x1: M5ops::m5ops(); 1517340Sgblack@eecs.umich.edu 0xa, 0xb: ShortFpTransfer::shortFpTransfer(); 1528868SMatt.Horsnell@arm.com 0xe: McrMrc14::mcrMrc14(); 1537340Sgblack@eecs.umich.edu 0xf: McrMrc15::mcrMrc15(); 1547107SN/A } 1557107SN/A } 1567435Sgblack@eecs.umich.edu 0x3: ThumbNeonData::thumbNeonData(); 1577107SN/A default: decode LTCOPROC { 1587340Sgblack@eecs.umich.edu 0xa, 0xb: ExtensionRegLoadStore::extensionRegLoadStre(); 1597340Sgblack@eecs.umich.edu 0xf: decode HTOPCODE_9_4 { 1607281Sgblack@eecs.umich.edu 0x00: Unknown::undefined(); 1617107SN/A 0x04: WarnUnimpl::mcrr(); // mcrr2 1627107SN/A 0x05: WarnUnimpl::mrrc(); // mrrc2 1637107SN/A 0x02, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 1647107SN/A 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e: 1657107SN/A WarnUnimpl::stc(); // stc2 1667107SN/A 0x03, 0x07, 0x09, 0x0b, 0x0d, 0x0f, 0x11, 1677107SN/A 0x13, 0x15, 0x17, 0x19, 0x1b, 0x1d, 0x1f: 1687107SN/A decode HTRN { 1697107SN/A 0xf: WarnUnimpl::ldc(); // ldc2 (literal) 1707107SN/A default: WarnUnimpl::ldc(); // ldc2 (immediate) 1717107SN/A } 1727107SN/A } 1737107SN/A } 1747107SN/A } 1757107SN/A } 1767107SN/A } 1776268SN/A} 178