unknown.isa revision 2649:2fb859a457a2
19243SN/A// -*- mode:c++ -*- 210889Sandreas.hansson@arm.com 39243SN/A// Copyright (c) 2003-2005 The Regents of The University of Michigan 49243SN/A// All rights reserved. 59243SN/A// 69243SN/A// Redistribution and use in source and binary forms, with or without 79243SN/A// modification, are permitted provided that the following conditions are 89243SN/A// met: redistributions of source code must retain the above copyright 99243SN/A// notice, this list of conditions and the following disclaimer; 109243SN/A// redistributions in binary form must reproduce the above copyright 119243SN/A// notice, this list of conditions and the following disclaimer in the 129243SN/A// documentation and/or other materials provided with the distribution; 139243SN/A// neither the name of the copyright holders nor the names of its 149831SN/A// contributors may be used to endorse or promote products derived from 159831SN/A// this software without specific prior written permission. 169831SN/A// 179243SN/A// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 189243SN/A// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 199243SN/A// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 209243SN/A// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 219243SN/A// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 229243SN/A// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 239243SN/A// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 249243SN/A// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 259243SN/A// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 269243SN/A// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 279243SN/A// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 289243SN/A 299243SN/A//////////////////////////////////////////////////////////////////// 309243SN/A// 319243SN/A// Unknown instructions 329243SN/A// 339243SN/A 349243SN/Aoutput header {{ 359243SN/A std::string inst2string(MachInst machInst); 369243SN/A}}; 379243SN/Aoutput decoder {{ 389243SN/A 399243SN/Astd::string inst2string(MachInst machInst) 409243SN/A{ 419243SN/A string str = ""; 429967SN/A uint32_t mask = 0x80000000; 4310618SOmar.Naji@arm.com 449243SN/A for(int i=0; i < 32; i++) { 459243SN/A if ((machInst & mask) == 0) { 4610146Sandreas.hansson@arm.com str += "0"; 479356SN/A } else { 4810146Sandreas.hansson@arm.com str += "1"; 4910247Sandreas.hansson@arm.com } 5010208Sandreas.hansson@arm.com 519352SN/A mask = mask >> 1; 5210146Sandreas.hansson@arm.com } 539814SN/A 549243SN/A return str; 559243SN/A} 5610432SOmar.Naji@arm.com 579243SN/A std::string 5810146Sandreas.hansson@arm.com Unknown::generateDisassembly(Addr pc, const SymbolTable *symtab) const 599243SN/A { 6010619Sandreas.hansson@arm.com return csprintf("%-10s (inst 0x%x, opcode 0x%x, binary:%s)", 619243SN/A "unknown", machInst, OPCODE, inst2string(machInst)); 6210211Sandreas.hansson@arm.com } 6310618SOmar.Naji@arm.com}}; 6410489SOmar.Naji@arm.com 659831SN/Aoutput exec {{ 669831SN/A Fault 679831SN/A Unknown::execute(%(CPU_exec_context)s *xc, 689831SN/A Trace::InstRecord *traceData) const 699831SN/A { 7010140SN/A panic("attempt to execute unknown instruction " 7110646Sandreas.hansson@arm.com "(inst 0x%08x, opcode 0x%x, binary: %s)", machInst, OPCODE, inst2string(machInst)); 729243SN/A return new UnimplementedOpcodeFault; 7310394Swendy.elsasser@arm.com } 7410394Swendy.elsasser@arm.com}}; 759566SN/A 769243SN/Adef format Unknown() {{ 779243SN/A decode_block = 'return new Unknown(machInst);\n' 7810140SN/A}}; 7910140SN/A 8010147Sandreas.hansson@arm.com