base.isa revision 4338
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 58//The operand types a microop template can be specialized with 59output header {{ 60 enum OperandType { 61 RegisterOperand, 62 ImmediateOperand 63 }; 64}}; 65 66//A class which is the base of all x86 micro ops it provides a function to 67//set necessary flags appropriately. 68output header {{ 69 class X86MicroOpBase : public X86StaticInst 70 { 71 protected: 72 X86MicroOpBase(bool isMicro, bool isDelayed, 73 bool isFirst, bool isLast, 74 const char *mnem, ExtMachInst _machInst, 75 OpClass __opClass) : 76 X86StaticInst(mnem, _machInst, __opClass) 77 { 78 flags[IsMicroOp] = isMicro; 79 flags[IsDelayedCommit] = isDelayed; 80 flags[IsFirstMicroOp] = isFirst; 81 flags[IsLastMicroOp] = isLast; 82 } 83 }; 84}}; 85 86// This sets up a class which is templated on the type of 87// arguments a particular flavor of a microcode instruction 88// can accept. It's parameters are specialized to create polymorphic 89// behavior in microops. 90def template BaseMicroOpTemplateDeclare {{ 91 template%(signature)s 92 class %(class_name)s; 93}}; 94 95let {{ 96 def buildBaseMicroOpTemplate(Name, numParams): 97 signature = "<" 98 signature += "int SignatureOperandTypeSpecifier0" 99 for count in xrange(1,numParams): 100 signature += \ 101 ", int SingatureOperandTypeSpecifier%d" % count 102 signature += ">" 103 subs = {"signature" : signature, "class_name" : Name} 104 return BaseMicroOpTemplateDeclare.subst(subs) 105 106 RegOpType = "RegisterOperand" 107 ImmOpType = "ImmediateOperand" 108 109 def buildMicroOpTemplateDict(*params): 110 signature = "<" 111 if len(params): 112 signature += params[0] 113 if len(params) > 1: 114 for param in params[1:]: 115 signature += ", %s" % param 116 signature += ">" 117 subs = {"param_dec" : "", "param_arg_dec" : "", 118 "param_init" : "", "signature" : signature} 119 for count in xrange(len(params)): 120 subs["param_dec"] += "uint64_t param%d;\n" % count 121 subs["param_arg_dec"] += ", uint64_t _param%d" % count 122 subs["param_init"] += ", param%d(_param%d)" % (count, count) 123 return subs 124}}; 125 126// A tmeplate for building a specialized version of the microcode 127// instruction which knows specifies which arguments it wants 128def template MicroOpDeclare {{ 129 template<> 130 class %(class_name)s%(signature)s : public X86MicroOpBase 131 { 132 protected: 133 %(param_dec)s 134 void buildMe(); 135 136 public: 137 %(class_name)s(bool isMicro, bool isDelayed, 138 bool isFirst, bool isLast, 139 ExtMachInst _machInst %(param_arg_dec)s); 140 141 %(class_name)s(ExtMachInst _machInst %(param_arg_dec)s); 142 143 %(BasicExecDeclare)s 144 }; 145}}; 146 147def template MicroOpConstructor {{ 148 149 inline void %(class_name)s%(signature)s::buildMe() 150 { 151 %(constructor)s; 152 } 153 154 inline %(class_name)s%(signature)s::%(class_name)s( 155 ExtMachInst machInst %(param_arg_dec)s) : 156 %(base_class)s(false, false, false, false, 157 "%(mnemonic)s", machInst, %(op_class)s) 158 %(param_init)s 159 { 160 buildMe(); 161 } 162 163 inline %(class_name)s%(signature)s::%(class_name)s( 164 bool isMicro, bool isDelayed, bool isFirst, bool isLast, 165 ExtMachInst machInst %(param_arg_dec)s) 166 : %(base_class)s(isMicro, isDelayed, isFirst, isLast, 167 "%(mnemonic)s", machInst, %(op_class)s) 168 %(param_init)s 169 { 170 buildMe(); 171 } 172}}; 173