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