1// -*- mode:c++ -*- 2 3// Copyright (c) 2007 The Hewlett-Packard Development Company 4// All rights reserved. 5// 6// Redistribution and use of this software in source and binary forms, 7// with or without modification, are permitted provided that the 8// following conditions are met: 9// 10// The software must be used only for Non-Commercial Use which means any 11// use which is NOT directed to receiving any direct monetary 12// compensation for, or commercial advantage from such use. Illustrative 13// examples of non-commercial use are academic research, personal study, 14// teaching, education and corporate research & development. 15// Illustrative examples of commercial use are distributing products for 16// commercial advantage and providing services using the software for 17// commercial advantage. 18// 19// If you wish to use this software or functionality therein that may be 20// covered by patents for commercial use, please contact: 21// Director of Intellectual Property Licensing 22// Office of Strategy and Technology 23// Hewlett-Packard Company 24// 1501 Page Mill Road 25// Palo Alto, California 94304 26// 27// Redistributions of source code must retain the above copyright notice, 28// this list of conditions and the following disclaimer. Redistributions 29// in binary form must reproduce the above copyright notice, this list of 30// conditions and the following disclaimer in the documentation and/or 31// other materials provided with the distribution. Neither the name of 32// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 33// contributors may be used to endorse or promote products derived from 34// this software without specific prior written permission. No right of 35// sublicense is granted herewith. Derivatives of the software and 36// output created using the software may be prepared, but only for 37// Non-Commercial Uses. Derivatives of the software may be shared with 38// others provided: (i) the others agree to abide by the list of 39// conditions herein which includes the Non-Commercial Use restrictions; 40// and (ii) such Derivatives of the software include the above copyright 41// notice to acknowledge the contribution from this software where 42// applicable, this list of conditions and the disclaimer below. 43// 44// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 45// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 46// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 47// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 48// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 49// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 50// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 51// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 52// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 53// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 54// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 55// 56// Authors: Gabe Black 57
| 1// -*- mode:c++ -*- 2 3// Copyright (c) 2007 The Hewlett-Packard Development Company 4// All rights reserved. 5// 6// Redistribution and use of this software in source and binary forms, 7// with or without modification, are permitted provided that the 8// following conditions are met: 9// 10// The software must be used only for Non-Commercial Use which means any 11// use which is NOT directed to receiving any direct monetary 12// compensation for, or commercial advantage from such use. Illustrative 13// examples of non-commercial use are academic research, personal study, 14// teaching, education and corporate research & development. 15// Illustrative examples of commercial use are distributing products for 16// commercial advantage and providing services using the software for 17// commercial advantage. 18// 19// If you wish to use this software or functionality therein that may be 20// covered by patents for commercial use, please contact: 21// Director of Intellectual Property Licensing 22// Office of Strategy and Technology 23// Hewlett-Packard Company 24// 1501 Page Mill Road 25// Palo Alto, California 94304 26// 27// Redistributions of source code must retain the above copyright notice, 28// this list of conditions and the following disclaimer. Redistributions 29// in binary form must reproduce the above copyright notice, this list of 30// conditions and the following disclaimer in the documentation and/or 31// other materials provided with the distribution. Neither the name of 32// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 33// contributors may be used to endorse or promote products derived from 34// this software without specific prior written permission. No right of 35// sublicense is granted herewith. Derivatives of the software and 36// output created using the software may be prepared, but only for 37// Non-Commercial Uses. Derivatives of the software may be shared with 38// others provided: (i) the others agree to abide by the list of 39// conditions herein which includes the Non-Commercial Use restrictions; 40// and (ii) such Derivatives of the software include the above copyright 41// notice to acknowledge the contribution from this software where 42// applicable, this list of conditions and the disclaimer below. 43// 44// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 45// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 46// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 47// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 48// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 49// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 50// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 51// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 52// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 53// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 54// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 55// 56// Authors: Gabe Black 57
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| 58////////////////////////////////////////////////////////////////////////////// 59// 60// Architecture independent 61// 62
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58// Execute method for macroops. 59def template MacroExecPanic {{ 60 Fault execute(%(CPU_exec_context)s *, Trace::InstRecord *) const 61 { 62 panic("Tried to execute macroop directly!");
| 63// Execute method for macroops. 64def template MacroExecPanic {{ 65 Fault execute(%(CPU_exec_context)s *, Trace::InstRecord *) const 66 { 67 panic("Tried to execute macroop directly!");
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63 M5_DUMMY_RETURN
| 68 return NoFault;
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64 } 65}}; 66 67output header {{ 68
| 69 } 70}}; 71 72output header {{ 73
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69 // Base class for most macroops, except ones that need to commit as 70 // they go. 71 class X86MacroInst : public StaticInst
| 74 // Base class for macroops 75 class MacroOp : public StaticInst
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72 { 73 protected: 74 const uint32_t numMicroOps; 75 76 //Constructor.
| 76 { 77 protected: 78 const uint32_t numMicroOps; 79 80 //Constructor.
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77 X86MacroInst(const char *mnem, ExtMachInst _machInst,
| 81 MacroOp(const char *mnem, ExtMachInst _machInst,
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78 uint32_t _numMicroOps) 79 : StaticInst(mnem, _machInst, No_OpClass), 80 numMicroOps(_numMicroOps) 81 { 82 assert(numMicroOps); 83 microOps = new StaticInstPtr[numMicroOps]; 84 flags[IsMacroOp] = true; 85 } 86
| 82 uint32_t _numMicroOps) 83 : StaticInst(mnem, _machInst, No_OpClass), 84 numMicroOps(_numMicroOps) 85 { 86 assert(numMicroOps); 87 microOps = new StaticInstPtr[numMicroOps]; 88 flags[IsMacroOp] = true; 89 } 90
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87 ~X86MacroInst()
| 91 ~MacroOp()
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88 { 89 delete [] microOps; 90 } 91 92 StaticInstPtr * microOps; 93 94 StaticInstPtr fetchMicroOp(MicroPC microPC) 95 { 96 assert(microPC < numMicroOps); 97 return microOps[microPC]; 98 } 99
| 92 { 93 delete [] microOps; 94 } 95 96 StaticInstPtr * microOps; 97 98 StaticInstPtr fetchMicroOp(MicroPC microPC) 99 { 100 assert(microPC < numMicroOps); 101 return microOps[microPC]; 102 } 103
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| 104 std::string generateDisassembly(Addr pc, 105 const SymbolTable *symtab) const 106 { 107 return mnemonic; 108 } 109
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100 %(MacroExecPanic)s 101 }; 102}}; 103
| 110 %(MacroExecPanic)s 111 }; 112}}; 113
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| 114// Basic instruction class declaration template. 115def template MacroDeclare {{ 116 /** 117 * Static instruction class for "%(mnemonic)s". 118 */ 119 class %(class_name)s : public %(base_class)s 120 { 121 public: 122 // Constructor. 123 %(class_name)s(ExtMachInst machInst); 124 }; 125}}; 126
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104// Basic instruction class constructor template. 105def template MacroConstructor {{ 106 inline %(class_name)s::%(class_name)s(ExtMachInst machInst) 107 : %(base_class)s("%(mnemonic)s", machInst, %(num_micro_ops)s) 108 { 109 %(constructor)s; 110 //alloc_micro_ops is the code that sets up the microOps 111 //array in the parent class. 112 %(alloc_micro_ops)s; 113 } 114}}; 115
| 127// Basic instruction class constructor template. 128def template MacroConstructor {{ 129 inline %(class_name)s::%(class_name)s(ExtMachInst machInst) 130 : %(base_class)s("%(mnemonic)s", machInst, %(num_micro_ops)s) 131 { 132 %(constructor)s; 133 //alloc_micro_ops is the code that sets up the microOps 134 //array in the parent class. 135 %(alloc_micro_ops)s; 136 } 137}}; 138
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| 139////////////////////////////////////////////////////////////////////////////// 140// 141// X86 specific 142// 143
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116let {{ 117 def genMacroOp(name, Name, opSeq):
| 144let {{ 145 def genMacroOp(name, Name, opSeq):
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118 baseClass = 'X86MacroInst' 119 numMicroOps = len(opSeq.ops)
| 146 numMicroOps = len(opSeq)
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120 allocMicroOps = '' 121 micropc = 0
| 147 allocMicroOps = '' 148 micropc = 0
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122 for op in opSeq.ops:
| 149 for op in opSeq:
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123 allocMicroOps += \ 124 "microOps[%d] = %s;\n" % \
| 150 allocMicroOps += \ 151 "microOps[%d] = %s;\n" % \
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125 (micropc, op.getAllocator(True, op.delayed,
| 152 (micropc, op.getAllocator('"' + name + '"', True, False, #op.delayed,
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126 micropc == 0, 127 micropc == numMicroOps - 1)) 128 micropc += 1
| 153 micropc == 0, 154 micropc == numMicroOps - 1)) 155 micropc += 1
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129 iop = InstObjParams(name, Name, baseClass,
| 156 iop = InstObjParams(name, Name, 'MacroOp',
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130 {'code' : '', 'num_micro_ops' : numMicroOps, 131 'alloc_micro_ops' : allocMicroOps})
| 157 {'code' : '', 'num_micro_ops' : numMicroOps, 158 'alloc_micro_ops' : allocMicroOps})
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132 header_output = BasicDeclare.subst(iop)
| 159 header_output = MacroDeclare.subst(iop)
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133 decoder_output = MacroConstructor.subst(iop) 134 decode_block = BasicDecode.subst(iop) 135 exec_output = '' 136 return (header_output, decoder_output, decode_block, exec_output) 137}};
| 160 decoder_output = MacroConstructor.subst(iop) 161 decode_block = BasicDecode.subst(iop) 162 exec_output = '' 163 return (header_output, decoder_output, decode_block, exec_output) 164}};
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