unknown.isa (12236:126ac9da6050) | unknown.isa (12321:8cdccf77eb3c) |
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1// -*- mode:c++ -*- 2 3// Copyright (c) 2015 RISC-V Foundation 4// Copyright (c) 2016 The University of Virginia 5// All rights reserved. 6// 7// Redistribution and use in source and binary forms, with or without 8// modification, are permitted provided that the following conditions are --- 20 unchanged lines hidden (view full) --- 29// 30// Authors: Maxwell Walter 31// Alec Roelke 32 33//////////////////////////////////////////////////////////////////// 34// 35// Unknown instructions 36// | 1// -*- mode:c++ -*- 2 3// Copyright (c) 2015 RISC-V Foundation 4// Copyright (c) 2016 The University of Virginia 5// All rights reserved. 6// 7// Redistribution and use in source and binary forms, with or without 8// modification, are permitted provided that the following conditions are --- 20 unchanged lines hidden (view full) --- 29// 30// Authors: Maxwell Walter 31// Alec Roelke 32 33//////////////////////////////////////////////////////////////////// 34// 35// Unknown instructions 36// |
37 38output header {{ 39 /** 40 * Static instruction class for unknown (illegal) instructions. 41 * These cause simulator termination if they are executed in a 42 * non-speculative mode. This is a leaf class. 43 */ 44 class Unknown : public RiscvStaticInst 45 { 46 public: 47 /// Constructor 48 Unknown(MachInst _machInst) 49 : RiscvStaticInst("unknown", _machInst, No_OpClass) 50 { 51 flags[IsNonSpeculative] = true; 52 } 53 54 Fault execute(ExecContext *, Trace::InstRecord *) const; 55 56 std::string 57 generateDisassembly(Addr pc, const SymbolTable *symtab) const; 58 }; 59}}; 60 61output decoder {{ 62 std::string 63 Unknown::generateDisassembly(Addr pc, const SymbolTable *symtab) const 64 { 65 return csprintf("unknown opcode 0x%02x", OPCODE); 66 } 67}}; 68 69output exec {{ 70 Fault 71 Unknown::execute(ExecContext *xc, Trace::InstRecord *traceData) const 72 { 73 Fault fault = std::make_shared<UnknownInstFault>(); 74 return fault; 75 } 76}}; 77 | |
78def format Unknown() {{ 79 decode_block = 'return new Unknown(machInst);\n' 80}}; | 37def format Unknown() {{ 38 decode_block = 'return new Unknown(machInst);\n' 39}}; |