unimp.isa (2754:e3d023bc752c) | unimp.isa (5222:bb733a878f85) |
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1// -*- mode:c++ -*- 2 | 1// -*- mode:c++ -*- 2 |
3// Copyright N) 2007 MIPS Technologies, Inc. All Rights Reserved |
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3 | 4 |
4// Copyright (c) 2006 The Regents of The University of Michigan 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 9// met: redistributions of source code must retain the above copyright 10// notice, this list of conditions and the following disclaimer; 11// redistributions in binary form must reproduce the above copyright 12// notice, this list of conditions and the following disclaimer in the 13// documentation and/or other materials provided with the distribution; 14// neither the name of the copyright holders nor the names of its 15// contributors may be used to endorse or promote products derived from 16// this software without specific prior written permission. 17// 18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29// 30// Authors: Korey Sewell | 5// This software is part of the M5 simulator. |
31 | 6 |
7// THIS IS A LEGAL AGREEMENT. BY DOWNLOADING, USING, COPYING, CREATING 8// DERIVATIVE WORKS, AND/OR DISTRIBUTING THIS SOFTWARE YOU ARE AGREEING 9// TO THESE TERMS AND CONDITIONS. 10 11// Permission is granted to use, copy, create derivative works and 12// distribute this software and such derivative works for any purpose, 13// so long as (1) the copyright notice above, this grant of permission, 14// and the disclaimer below appear in all copies and derivative works 15// made, (2) the copyright notice above is augmented as appropriate to 16// reflect the addition of any new copyrightable work in a derivative 17// work (e.g., Copyright N) <Publication Year> Copyright Owner), and (3) 18// the name of MIPS Technologies, Inc. ($(B!H(BMIPS$(B!I(B) is not used in any 19// advertising or publicity pertaining to the use or distribution of 20// this software without specific, written prior authorization. 21 22// THIS SOFTWARE IS PROVIDED $(B!H(BAS IS.$(B!I(B MIPS MAKES NO WARRANTIES AND 23// DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, STATUTORY, IMPLIED OR 24// OTHERWISE, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 25// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND 26// NON-INFRINGEMENT OF THIRD PARTY RIGHTS, REGARDING THIS SOFTWARE. 27// IN NO EVENT SHALL MIPS BE LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, 28// INDIRECT, INCIDENTAL, CONSEQUENTIAL, SPECIAL, OR PUNITIVE DAMAGES OF 29// ANY KIND OR NATURE, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT, 30// THIS SOFTWARE AND/OR THE USE OF THIS SOFTWARE, WHETHER SUCH LIABILITY 31// IS ASSERTED ON THE BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE OR 32// STRICT LIABILITY), OR OTHERWISE, EVEN IF MIPS HAS BEEN WARNED OF THE 33// POSSIBILITY OF ANY SUCH LOSS OR DAMAGE IN ADVANCE. 34 35//Authors: Korey L. Sewell 36 37 |
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32//////////////////////////////////////////////////////////////////// 33// 34// Unimplemented instructions 35// 36 37output header {{ 38 /** 39 * Static instruction class for unimplemented instructions that --- 14 unchanged lines hidden (view full) --- 54 flags[IsNonSpeculative] = true; 55 } 56 57 %(BasicExecDeclare)s 58 59 std::string 60 generateDisassembly(Addr pc, const SymbolTable *symtab) const; 61 }; | 38//////////////////////////////////////////////////////////////////// 39// 40// Unimplemented instructions 41// 42 43output header {{ 44 /** 45 * Static instruction class for unimplemented instructions that --- 14 unchanged lines hidden (view full) --- 60 flags[IsNonSpeculative] = true; 61 } 62 63 %(BasicExecDeclare)s 64 65 std::string 66 generateDisassembly(Addr pc, const SymbolTable *symtab) const; 67 }; |
68 class CP0Unimplemented : public MipsStaticInst 69 { 70 public: 71 /// Constructor 72 CP0Unimplemented(const char *_mnemonic, MachInst _machInst) 73 : MipsStaticInst(_mnemonic, _machInst, No_OpClass) 74 { 75 // don't call execute() (which panics) if we're on a 76 // speculative path 77 flags[IsNonSpeculative] = true; 78 } |
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62 | 79 |
80 %(BasicExecDeclare)s 81 82 std::string 83 generateDisassembly(Addr pc, const SymbolTable *symtab) const; 84 }; 85 class CP1Unimplemented : public MipsStaticInst 86 { 87 public: 88 /// Constructor 89 CP1Unimplemented(const char *_mnemonic, MachInst _machInst) 90 : MipsStaticInst(_mnemonic, _machInst, No_OpClass) 91 { 92 // don't call execute() (which panics) if we're on a 93 // speculative path 94 flags[IsNonSpeculative] = true; 95 } 96 97 %(BasicExecDeclare)s 98 99 std::string 100 generateDisassembly(Addr pc, const SymbolTable *symtab) const; 101 }; 102 class CP2Unimplemented : public MipsStaticInst 103 { 104 public: 105 /// Constructor 106 CP2Unimplemented(const char *_mnemonic, MachInst _machInst) 107 : MipsStaticInst(_mnemonic, _machInst, No_OpClass) 108 { 109 // don't call execute() (which panics) if we're on a 110 // speculative path 111 flags[IsNonSpeculative] = true; 112 } 113 114 %(BasicExecDeclare)s 115 116 std::string 117 generateDisassembly(Addr pc, const SymbolTable *symtab) const; 118 }; 119 |
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63 /** 64 * Base class for unimplemented instructions that cause a warning 65 * to be printed (but do not terminate simulation). This 66 * implementation is a little screwy in that it will print a 67 * warning for each instance of a particular unimplemented machine 68 * instruction, not just for each unimplemented opcode. Should 69 * probably make the 'warned' flag a static member of the derived 70 * class. --- 25 unchanged lines hidden (view full) --- 96 std::string 97 FailUnimplemented::generateDisassembly(Addr pc, 98 const SymbolTable *symtab) const 99 { 100 return csprintf("%-10s (unimplemented)", mnemonic); 101 } 102 103 std::string | 120 /** 121 * Base class for unimplemented instructions that cause a warning 122 * to be printed (but do not terminate simulation). This 123 * implementation is a little screwy in that it will print a 124 * warning for each instance of a particular unimplemented machine 125 * instruction, not just for each unimplemented opcode. Should 126 * probably make the 'warned' flag a static member of the derived 127 * class. --- 25 unchanged lines hidden (view full) --- 153 std::string 154 FailUnimplemented::generateDisassembly(Addr pc, 155 const SymbolTable *symtab) const 156 { 157 return csprintf("%-10s (unimplemented)", mnemonic); 158 } 159 160 std::string |
161 CP0Unimplemented::generateDisassembly(Addr pc, 162 const SymbolTable *symtab) const 163 { 164 return csprintf("%-10s (unimplemented)", mnemonic); 165 } 166 167 std::string 168 CP1Unimplemented::generateDisassembly(Addr pc, 169 const SymbolTable *symtab) const 170 { 171 return csprintf("%-10s (unimplemented)", mnemonic); 172 } 173 std::string 174 CP2Unimplemented::generateDisassembly(Addr pc, 175 const SymbolTable *symtab) const 176 { 177 return csprintf("%-10s (unimplemented)", mnemonic); 178 } 179 180 std::string |
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104 WarnUnimplemented::generateDisassembly(Addr pc, 105 const SymbolTable *symtab) const 106 { 107 return csprintf("%-10s (unimplemented)", mnemonic); 108 } 109}}; 110 111output exec {{ 112 Fault 113 FailUnimplemented::execute(%(CPU_exec_context)s *xc, 114 Trace::InstRecord *traceData) const 115 { 116 panic("attempt to execute unimplemented instruction '%s' " 117 "(inst 0x%08x, opcode 0x%x, binary:%s)", mnemonic, machInst, OPCODE, 118 inst2string(machInst)); 119 return new UnimplementedOpcodeFault; 120 } 121 122 Fault | 181 WarnUnimplemented::generateDisassembly(Addr pc, 182 const SymbolTable *symtab) const 183 { 184 return csprintf("%-10s (unimplemented)", mnemonic); 185 } 186}}; 187 188output exec {{ 189 Fault 190 FailUnimplemented::execute(%(CPU_exec_context)s *xc, 191 Trace::InstRecord *traceData) const 192 { 193 panic("attempt to execute unimplemented instruction '%s' " 194 "(inst 0x%08x, opcode 0x%x, binary:%s)", mnemonic, machInst, OPCODE, 195 inst2string(machInst)); 196 return new UnimplementedOpcodeFault; 197 } 198 199 Fault |
200 CP0Unimplemented::execute(%(CPU_exec_context)s *xc, 201 Trace::InstRecord *traceData) const 202 { 203#if FULL_SYSTEM 204 if (!isCoprocessorEnabled(xc, 0)) { 205 return new CoprocessorUnusableFault(0); 206 } 207 return new ReservedInstructionFault; 208#else 209 panic("attempt to execute unimplemented instruction '%s' " 210 "(inst 0x%08x, opcode 0x%x, binary:%s)", mnemonic, machInst, OPCODE, 211 inst2string(machInst)); 212 return new UnimplementedOpcodeFault; 213#endif 214 } 215 216 Fault 217 CP1Unimplemented::execute(%(CPU_exec_context)s *xc, 218 Trace::InstRecord *traceData) const 219 { 220#if FULL_SYSTEM 221 if (!isCoprocessorEnabled(xc, 1)) { 222 return new CoprocessorUnusableFault(1); 223 } 224 return new ReservedInstructionFault; 225#else 226 panic("attempt to execute unimplemented instruction '%s' " 227 "(inst 0x%08x, opcode 0x%x, binary:%s)", mnemonic, machInst, OPCODE, 228 inst2string(machInst)); 229 return new UnimplementedOpcodeFault; 230#endif 231 } 232 Fault 233 CP2Unimplemented::execute(%(CPU_exec_context)s *xc, 234 Trace::InstRecord *traceData) const 235 { 236#if FULL_SYSTEM 237 if (!isCoprocessorEnabled(xc, 2)) { 238 return new CoprocessorUnusableFault(2); 239 } 240 return new ReservedInstructionFault; 241#else 242 panic("attempt to execute unimplemented instruction '%s' " 243 "(inst 0x%08x, opcode 0x%x, binary:%s)", mnemonic, machInst, OPCODE, 244 inst2string(machInst)); 245 return new UnimplementedOpcodeFault; 246#endif 247 } 248 249 Fault |
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123 WarnUnimplemented::execute(%(CPU_exec_context)s *xc, 124 Trace::InstRecord *traceData) const 125 { 126 if (!warned) { 127 warn("\tinstruction '%s' unimplemented\n", mnemonic); 128 warned = true; 129 } 130 131 return NoFault; 132 } 133}}; 134 135 136def format FailUnimpl() {{ 137 iop = InstObjParams(name, 'FailUnimplemented') 138 decode_block = BasicDecodeWithMnemonic.subst(iop) | 250 WarnUnimplemented::execute(%(CPU_exec_context)s *xc, 251 Trace::InstRecord *traceData) const 252 { 253 if (!warned) { 254 warn("\tinstruction '%s' unimplemented\n", mnemonic); 255 warned = true; 256 } 257 258 return NoFault; 259 } 260}}; 261 262 263def format FailUnimpl() {{ 264 iop = InstObjParams(name, 'FailUnimplemented') 265 decode_block = BasicDecodeWithMnemonic.subst(iop) |
139}}; | |
140 | 266 |
267}}; 268def format CP0Unimpl() {{ 269 iop = InstObjParams(name, 'CP0Unimplemented') 270 decode_block = BasicDecodeWithMnemonic.subst(iop) 271}}; 272def format CP1Unimpl() {{ 273 iop = InstObjParams(name, 'CP1Unimplemented') 274 decode_block = BasicDecodeWithMnemonic.subst(iop) 275}}; 276def format CP2Unimpl() {{ 277 iop = InstObjParams(name, 'CP2Unimplemented') 278 decode_block = BasicDecodeWithMnemonic.subst(iop) 279}}; |
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141def format WarnUnimpl() {{ 142 iop = InstObjParams(name, 'WarnUnimplemented') 143 decode_block = BasicDecodeWithMnemonic.subst(iop) 144}}; 145 | 280def format WarnUnimpl() {{ 281 iop = InstObjParams(name, 'WarnUnimplemented') 282 decode_block = BasicDecodeWithMnemonic.subst(iop) 283}}; 284 |