trap.isa (3951:727778d649ae) | trap.isa (5222:bb733a878f85) |
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1// -*- mode:c++ -*- 2 | 1// -*- mode:c++ -*- 2 |
3// Copyright (c) 2006 The Regents of The University of Michigan 4// All rights reserved. 5// 6// Redistribution and use in source and binary forms, with or without 7// modification, are permitted provided that the following conditions are 8// met: redistributions of source code must retain the above copyright 9// notice, this list of conditions and the following disclaimer; 10// redistributions in binary form must reproduce the above copyright 11// notice, this list of conditions and the following disclaimer in the 12// documentation and/or other materials provided with the distribution; 13// neither the name of the copyright holders nor the names of its 14// contributors may be used to endorse or promote products derived from 15// this software without specific prior written permission. 16// 17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28// 29// Authors: Korey Sewell | 3// Copyright .AN) 2007 MIPS Technologies, Inc. All Rights Reserved |
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5// This software is part of the M5 simulator. 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 .AN) <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// Jaidev Patwardhan 37 |
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31//////////////////////////////////////////////////////////////////// 32// 33// Trap instructions 34// 35 36output header {{ 37 /** 38 * Base class for integer operations. --- 4 unchanged lines hidden (view full) --- 43 44 /// Constructor 45 Trap(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass) 46 { 47 } 48 49 std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const; 50 }; | 38//////////////////////////////////////////////////////////////////// 39// 40// Trap instructions 41// 42 43output header {{ 44 /** 45 * Base class for integer operations. --- 4 unchanged lines hidden (view full) --- 50 51 /// Constructor 52 Trap(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass) 53 { 54 } 55 56 std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const; 57 }; |
58 class TrapImm : public MipsStaticInst 59 { 60 protected: 61 62 int16_t imm; 63 64 /// Constructor 65 TrapImm(const char *mnem, MachInst _machInst, OpClass __opClass) : 66 MipsStaticInst(mnem, _machInst, __opClass),imm(INTIMM) 67 { 68 } 69 70 std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const; 71 72 73 }; 74 |
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51}}; 52 53output decoder {{ 54 std::string Trap::generateDisassembly(Addr pc, const SymbolTable *symtab) const 55 { 56 return "Disassembly of trap instruction\n"; 57 } | 75}}; 76 77output decoder {{ 78 std::string Trap::generateDisassembly(Addr pc, const SymbolTable *symtab) const 79 { 80 return "Disassembly of trap instruction\n"; 81 } |
82 std::string TrapImm::generateDisassembly(Addr pc, const SymbolTable *symtab) const 83 { 84 return "Disassembly of trap instruction\n"; 85 } |
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58}}; 59 60def template TrapExecute {{ 61 //Edit This Template When Traps Are Implemented 62 Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const 63 { 64 //Write the resulting state to the execution context 65 %(op_wb)s; 66 67 //Call into the trap handler with the appropriate fault 68 return No_Fault; 69 } 70}}; | 86}}; 87 88def template TrapExecute {{ 89 //Edit This Template When Traps Are Implemented 90 Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const 91 { 92 //Write the resulting state to the execution context 93 %(op_wb)s; 94 95 //Call into the trap handler with the appropriate fault 96 return No_Fault; 97 } 98}}; |
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72def format Trap(code, *flags) {{ | 99def format Trap(code, *flags) {{ |
73 code = 'warn(\"' 74 code += 'Trap Exception Handler Is Currently Not Implemented.' 75 code += '\");' | 100 101 code ='bool cond;\n' + code 102 code += 'if (cond) {\n' 103 code += 'fault = new TrapFault();\n};' 104 |
76 iop = InstObjParams(name, Name, 'MipsStaticInst', code, flags) 77 header_output = BasicDeclare.subst(iop) 78 decoder_output = BasicConstructor.subst(iop) 79 decode_block = BasicDecode.subst(iop) 80 exec_output = BasicExecute.subst(iop) 81}}; | 105 iop = InstObjParams(name, Name, 'MipsStaticInst', code, flags) 106 header_output = BasicDeclare.subst(iop) 107 decoder_output = BasicConstructor.subst(iop) 108 decode_block = BasicDecode.subst(iop) 109 exec_output = BasicExecute.subst(iop) 110}}; |
111def format TrapImm(code, *flags) {{ 112 113 code ='bool cond;\n' + code 114 code += 'if (cond) {\n' 115 code += 'fault = new TrapFault();\n};' 116 iop = InstObjParams(name, Name, 'MipsStaticInst', code, flags) 117 header_output = BasicDeclare.subst(iop) 118 decoder_output = BasicConstructor.subst(iop) 119 decode_block = BasicDecode.subst(iop) 120 exec_output = BasicExecute.subst(iop) 121}}; |
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