unknown.isa revision 12616
16691Stjones1@inf.ed.ac.uk// -*- mode:c++ -*- 26691Stjones1@inf.ed.ac.uk 36691Stjones1@inf.ed.ac.uk// Copyright (c) 2007-2008 The Florida State University 46691Stjones1@inf.ed.ac.uk// Copyright (c) 2009 The University of Edinburgh 56691Stjones1@inf.ed.ac.uk// All rights reserved. 66691Stjones1@inf.ed.ac.uk// 76691Stjones1@inf.ed.ac.uk// Redistribution and use in source and binary forms, with or without 86691Stjones1@inf.ed.ac.uk// modification, are permitted provided that the following conditions are 96691Stjones1@inf.ed.ac.uk// met: redistributions of source code must retain the above copyright 106691Stjones1@inf.ed.ac.uk// notice, this list of conditions and the following disclaimer; 116691Stjones1@inf.ed.ac.uk// redistributions in binary form must reproduce the above copyright 126691Stjones1@inf.ed.ac.uk// notice, this list of conditions and the following disclaimer in the 136691Stjones1@inf.ed.ac.uk// documentation and/or other materials provided with the distribution; 146691Stjones1@inf.ed.ac.uk// neither the name of the copyright holders nor the names of its 156691Stjones1@inf.ed.ac.uk// contributors may be used to endorse or promote products derived from 166691Stjones1@inf.ed.ac.uk// this software without specific prior written permission. 176691Stjones1@inf.ed.ac.uk// 186691Stjones1@inf.ed.ac.uk// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 196691Stjones1@inf.ed.ac.uk// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 206691Stjones1@inf.ed.ac.uk// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 216691Stjones1@inf.ed.ac.uk// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 226691Stjones1@inf.ed.ac.uk// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 236691Stjones1@inf.ed.ac.uk// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 246691Stjones1@inf.ed.ac.uk// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 256691Stjones1@inf.ed.ac.uk// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 266691Stjones1@inf.ed.ac.uk// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 276691Stjones1@inf.ed.ac.uk// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 286691Stjones1@inf.ed.ac.uk// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 296691Stjones1@inf.ed.ac.uk// 306691Stjones1@inf.ed.ac.uk// Authors: Stephen Hines 316691Stjones1@inf.ed.ac.uk// Timothy M. Jones 326691Stjones1@inf.ed.ac.uk 336691Stjones1@inf.ed.ac.uk//////////////////////////////////////////////////////////////////// 346691Stjones1@inf.ed.ac.uk// 356691Stjones1@inf.ed.ac.uk// Unknown instructions 366691Stjones1@inf.ed.ac.uk// 376691Stjones1@inf.ed.ac.uk 386691Stjones1@inf.ed.ac.ukoutput header {{ 396691Stjones1@inf.ed.ac.uk /** 406691Stjones1@inf.ed.ac.uk * Static instruction class for unknown (illegal) instructions. 416691Stjones1@inf.ed.ac.uk * These cause simulator termination if they are executed in a 426691Stjones1@inf.ed.ac.uk * non-speculative mode. This is a leaf class. 436691Stjones1@inf.ed.ac.uk */ 446691Stjones1@inf.ed.ac.uk class Unknown : public PowerStaticInst 456691Stjones1@inf.ed.ac.uk { 466691Stjones1@inf.ed.ac.uk public: 476691Stjones1@inf.ed.ac.uk /// Constructor 486691Stjones1@inf.ed.ac.uk Unknown(ExtMachInst _machInst) 496691Stjones1@inf.ed.ac.uk : PowerStaticInst("unknown", _machInst, No_OpClass) 506691Stjones1@inf.ed.ac.uk { 516691Stjones1@inf.ed.ac.uk // don't call execute() (which panics) if we're on a 526691Stjones1@inf.ed.ac.uk // speculative path 536691Stjones1@inf.ed.ac.uk flags[IsNonSpeculative] = true; 546691Stjones1@inf.ed.ac.uk } 556691Stjones1@inf.ed.ac.uk 5612616Sgabeblack@google.com Fault execute(ExecContext *, Trace::InstRecord *) const override; 576691Stjones1@inf.ed.ac.uk 5812616Sgabeblack@google.com std::string generateDisassembly( 5912616Sgabeblack@google.com Addr pc, const SymbolTable *symtab) const override; 606691Stjones1@inf.ed.ac.uk }; 616691Stjones1@inf.ed.ac.uk}}; 626691Stjones1@inf.ed.ac.uk 636691Stjones1@inf.ed.ac.ukoutput decoder {{ 646691Stjones1@inf.ed.ac.uk std::string 656691Stjones1@inf.ed.ac.uk Unknown::generateDisassembly(Addr pc, const SymbolTable *symtab) const 666691Stjones1@inf.ed.ac.uk { 676691Stjones1@inf.ed.ac.uk return csprintf("%-10s (inst 0x%x, opcode 0x%x, binary:%s)", 686691Stjones1@inf.ed.ac.uk "unknown", machInst, OPCODE, inst2string(machInst)); 696691Stjones1@inf.ed.ac.uk } 706691Stjones1@inf.ed.ac.uk}}; 716691Stjones1@inf.ed.ac.uk 726691Stjones1@inf.ed.ac.ukoutput exec {{ 736691Stjones1@inf.ed.ac.uk Fault 7412234Sgabeblack@google.com Unknown::execute(ExecContext *xc, Trace::InstRecord *traceData) const 756691Stjones1@inf.ed.ac.uk { 766691Stjones1@inf.ed.ac.uk panic("attempt to execute unknown instruction at %#x" 776691Stjones1@inf.ed.ac.uk "(inst 0x%08x, opcode 0x%x, binary: %s)", 787720Sgblack@eecs.umich.edu xc->pcState().pc(), machInst, OPCODE, inst2string(machInst)); 7910474Sandreas.hansson@arm.com return std::make_shared<UnimplementedOpcodeFault>(); 806691Stjones1@inf.ed.ac.uk } 816691Stjones1@inf.ed.ac.uk}}; 826691Stjones1@inf.ed.ac.uk 836691Stjones1@inf.ed.ac.ukdef format Unknown() {{ 846691Stjones1@inf.ed.ac.uk decode_block = 'return new Unknown(machInst);\n' 856691Stjones1@inf.ed.ac.uk}}; 866691Stjones1@inf.ed.ac.uk 87