thumb.isa revision 7281:e67b0c646268
16019SN/A// -*- mode:c++ -*- 26019SN/A 37102SN/A// Copyright (c) 2010 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 437102SN/A1: decode BIGTHUMB { 447104SN/A // 16 bit thumb instructions. 457104SN/A 0: decode TOPCODE_15_13 { 467104SN/A 0x0, 0x1: Thumb16ShiftAddSubMoveCmp::thumb16ShiftAddMoveCmp(); 477104SN/A 0x2: decode TOPCODE_12_10 { 487104SN/A 0x0: Thumb16DataProcessing::thumb16DataProcessing(); 497104SN/A 0x1: Thumb16SpecDataAndBx::thumb16SpecDataAndBx(); 507104SN/A 0x2, 0x3: Thumb16MemLit::thumb16MemLit(); 517104SN/A default: Thumb16MemReg::thumb16MemReg(); 527104SN/A } 537104SN/A 0x3, 0x4: Thumb16MemImm::thumb16MemImm(); 547104SN/A 0x5: decode TOPCODE_12_11 { 557104SN/A 0x0: Thumb16Adr::thumb16Adr(); 567104SN/A 0x1: Thumb16AddSp::thumb16AddSp(); //sp, immediate 577104SN/A 0x2, 0x3: Thumb16Misc::thumb16Misc(); 587104SN/A } 597104SN/A 0x6: decode TOPCODE_12_11 { 607104SN/A 0x0, 0x1: Thumb16MacroMem::thumb16MacroMem(); 617104SN/A 0x2, 0x3: Thumb16CondBranchAndSvc::thumb16CondBranchAndSvc(); 627104SN/A } 637104SN/A 0x7: decode TOPCODE_12_11 { 647104SN/A 0x0: Thumb16UncondBranch::thumb16UncondBranch(); 657104SN/A } 667104SN/A } 677104SN/A 687104SN/A // 32 bit thumb instructions. 697104SN/A 1: decode HTOPCODE_12_11 { 707104SN/A 0x1: decode HTOPCODE_10_9 { 717104SN/A 0x0: decode HTOPCODE_6 { 727104SN/A 0x0: decode HTOPCODE_8_7 { 737104SN/A 0x0, 0x3: decode HTOPCODE_4 { 747104SN/A 0x0: WarnUnimpl::srs(); 757104SN/A 0x1: WarnUnimpl::rfe(); 767104SN/A } 777104SN/A // This uses the same encoding as regular ARM. 787104SN/A default: ArmMacroMem::armMacroMem(); 797104SN/A } 807104SN/A 0x1: Thumb32LdrStrDExTbh::thumb32LdrStrDExTbh(); 817104SN/A } 827104SN/A 0x1: Thumb32DataProcShiftReg::thumb32DataProcShiftReg(); 837104SN/A default: decode HTOPCODE_9_8 { 847104SN/A 0x2: decode LTOPCODE_4 { 857104SN/A 0x0: decode LTCOPROC { 867104SN/A 0xa, 0xb: decode OPCODE_23_20 { 877104SN/A##include "vfp.isa" 887104SN/A } 897104SN/A default: WarnUnimpl::cdp(); // cdp2 907104SN/A } 917104SN/A 0x1: decode LTCOPROC { 927104SN/A 0xa, 0xb: WarnUnimpl::Core_to_extension_transfer(); 937104SN/A default: decode CPNUM { 947104SN/A 15: McrMrc15::mcrMrc15(); 957104SN/A default: decode HTOPCODE_4 { 967104SN/A 0x0: WarnUnimpl::mcr(); 977104SN/A 0x1: WarnUnimpl::mrc(); 987104SN/A } 997104SN/A } 1007104SN/A } 1017104SN/A } 1027104SN/A 0x3: WarnUnimpl::Advanced_SIMD(); 1037104SN/A default: decode LTCOPROC { 1047104SN/A 0xa, 0xb: decode HTOPCODE_9_4 { 1057104SN/A 0x00: Unknown::undefined(); 1067104SN/A 0x04: WarnUnimpl::mcrr(); // mcrr2 1077104SN/A 0x05: WarnUnimpl::mrrc(); // mrrc2 1087104SN/A 0x02, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 1097104SN/A 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e: 1107104SN/A WarnUnimpl::stc(); // stc2 1117104SN/A 0x03, 0x07, 0x09, 0x0b, 0x0d, 0x0f, 0x11, 1127104SN/A 0x13, 0x15, 0x17, 0x19, 0x1b, 0x1d, 0x1f: 1137104SN/A decode HTRN { 1147104SN/A 0xf: WarnUnimpl::ldc(); // ldc2 (literal) 1157104SN/A default: WarnUnimpl::ldc(); // ldc2 (immediate) 1167104SN/A } 1177104SN/A } 1187104SN/A default: decode HTOPCODE_9_5 { 1197104SN/A 0x00: Unknown::undefined(); 1207104SN/A 0x02: WarnUnimpl::SIMD_VFP_64_bit_core_extension_transfer(); 1217104SN/A 0x01, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 1227104SN/A 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f: 1237104SN/A WarnUnimpl::Extension_register_load_store_instruction(); 1247104SN/A } 1257104SN/A } 1267104SN/A } 1277104SN/A } 1287104SN/A 0x2: decode LTOPCODE_15 { 1297104SN/A 0x0: decode HTOPCODE_9 { 1307104SN/A 0x0: Thumb32DataProcModImm::thumb32DataProcModImm(); 1317104SN/A 0x1: Thumb32DataProcPlainBin::thumb32DataProcPlainBin(); 1327104SN/A } 1337104SN/A 0x1: Thumb32BranchesAndMiscCtrl::thumb32BranchesAndMiscCtrl(); 1347104SN/A } 1357104SN/A 0x3: decode HTOPCODE_10_9 { 1367104SN/A 0x0: decode HTOPCODE_4 { 1377104SN/A 0x0: decode HTOPCODE_8 { 1387104SN/A 0x0: Thumb32StoreSingle::thumb32StoreSingle(); 1397104SN/A 0x1: WarnUnimpl::Advanced_SIMD_or_structure_load_store(); 1407104SN/A } 1417104SN/A 0x1: decode HTOPCODE_6_5 { 1427104SN/A 0x0: LoadByteMemoryHints::loadByteMemoryHints(); 1437104SN/A 0x1: LoadHalfwordMemoryHints::loadHalfwordMemoryHints(); 1447104SN/A 0x2: Thumb32LoadWord::thumb32LoadWord(); 1457104SN/A 0x3: Unknown::undefined(); 1467104SN/A } 1477104SN/A } 1487104SN/A 0x1: decode HTOPCODE_8_7 { 1497104SN/A 0x2: Thumb32MulMulAccAndAbsDiff::thumb32MulMulAccAndAbsDiff(); 1507104SN/A 0x3: Thumb32LongMulMulAccAndDiv::thumb32LongMulMulAccAndDiv(); 1517104SN/A default: Thumb32DataProcReg::thumb32DataProcReg(); 1527104SN/A } 1537104SN/A default: decode HTOPCODE_9_8 { 1547104SN/A 0x2: decode LTOPCODE_4 { 1557104SN/A 0x0: decode LTCOPROC { 1567104SN/A 0xa, 0xb: WarnUnimpl::VFP_Inst(); 1577104SN/A default: WarnUnimpl::cdp(); // cdp2 1587104SN/A } 1597104SN/A 0x1: decode LTCOPROC { 1607104SN/A 0xa, 0xb: WarnUnimpl::Core_to_extension_transfer(); 1617104SN/A default: decode CPNUM { 1627104SN/A 15: McrMrc15::mcr2Mrc215(); 1637104SN/A default: decode HTOPCODE_4 { 1647104SN/A 0x0: WarnUnimpl::mcr2(); 1657104SN/A 0x1: WarnUnimpl::mrc2(); 1667104SN/A } 1677104SN/A } 1687104SN/A } 1697104SN/A } 1707104SN/A 0x3: WarnUnimpl::Advanced_SIMD(); 1717104SN/A default: decode LTCOPROC { 1727107SN/A 0xa, 0xb: decode HTOPCODE_9_4 { 1737107SN/A 0x00: Unknown::undefined(); 1747107SN/A 0x04: WarnUnimpl::mcrr(); // mcrr2 1757107SN/A 0x05: WarnUnimpl::mrrc(); // mrrc2 1767107SN/A 0x02, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 1777107SN/A 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e: 1787107SN/A WarnUnimpl::stc(); // stc2 1797107SN/A 0x03, 0x07, 0x09, 0x0b, 0x0d, 0x0f, 0x11, 1807107SN/A 0x13, 0x15, 0x17, 0x19, 0x1b, 0x1d, 0x1f: 1817107SN/A decode HTRN { 1827107SN/A 0xf: WarnUnimpl::ldc(); // ldc2 (literal) 1837107SN/A default: WarnUnimpl::ldc(); // ldc2 (immediate) 1847107SN/A } 1857107SN/A } 1867107SN/A default: decode HTOPCODE_9_5 { 1877107SN/A 0x00: Unknown::undefined(); 1887107SN/A 0x02: WarnUnimpl::SIMD_VFP_64_bit_core_extension_transfer(); 1897107SN/A 0x01, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 1907107SN/A 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f: 1917107SN/A WarnUnimpl::Extension_register_load_store_instruction(); 1927107SN/A } 1937107SN/A } 1947107SN/A } 1957107SN/A } 1967107SN/A } 1977107SN/A} 1987107SN/A