limmop.isa revision 4524:f051dcff22b3
1// Copyright (c) 2007 The Hewlett-Packard Development Company 2// All rights reserved. 3// 4// Redistribution and use of this software in source and binary forms, 5// with or without modification, are permitted provided that the 6// following conditions are met: 7// 8// The software must be used only for Non-Commercial Use which means any 9// use which is NOT directed to receiving any direct monetary 10// compensation for, or commercial advantage from such use. Illustrative 11// examples of non-commercial use are academic research, personal study, 12// teaching, education and corporate research & development. 13// Illustrative examples of commercial use are distributing products for 14// commercial advantage and providing services using the software for 15// commercial advantage. 16// 17// If you wish to use this software or functionality therein that may be 18// covered by patents for commercial use, please contact: 19// Director of Intellectual Property Licensing 20// Office of Strategy and Technology 21// Hewlett-Packard Company 22// 1501 Page Mill Road 23// Palo Alto, California 94304 24// 25// Redistributions of source code must retain the above copyright notice, 26// this list of conditions and the following disclaimer. Redistributions 27// in binary form must reproduce the above copyright notice, this list of 28// conditions and the following disclaimer in the documentation and/or 29// other materials provided with the distribution. Neither the name of 30// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 31// contributors may be used to endorse or promote products derived from 32// this software without specific prior written permission. No right of 33// sublicense is granted herewith. Derivatives of the software and 34// output created using the software may be prepared, but only for 35// Non-Commercial Uses. Derivatives of the software may be shared with 36// others provided: (i) the others agree to abide by the list of 37// conditions herein which includes the Non-Commercial Use restrictions; 38// and (ii) such Derivatives of the software include the above copyright 39// notice to acknowledge the contribution from this software where 40// applicable, this list of conditions and the disclaimer below. 41// 42// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 43// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 44// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 45// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 46// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 47// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 48// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 49// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 50// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 51// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 52// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 53// 54// Authors: Gabe Black 55 56////////////////////////////////////////////////////////////////////////// 57// 58// LIMMOp Microop templates 59// 60////////////////////////////////////////////////////////////////////////// 61 62def template MicroLimmOpExecute {{ 63 Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, 64 Trace::InstRecord *traceData) const 65 { 66 %(op_decl)s; 67 %(op_rd)s; 68 %(code)s; 69 %(op_wb)s; 70 return NoFault; 71 } 72}}; 73 74def template MicroLimmOpDeclare {{ 75 class %(class_name)s : public X86MicroOpBase 76 { 77 protected: 78 const RegIndex dest; 79 const uint64_t imm; 80 void buildMe(); 81 82 public: 83 %(class_name)s(ExtMachInst _machInst, 84 const char * instMnem, 85 bool isMicro, bool isDelayed, bool isFirst, bool isLast, 86 RegIndex _dest, uint64_t _imm); 87 88 %(class_name)s(ExtMachInst _machInst, 89 const char * instMnem, 90 RegIndex _dest, uint64_t _imm); 91 92 %(BasicExecDeclare)s 93 }; 94}}; 95 96def template MicroLimmOpConstructor {{ 97 98 inline void %(class_name)s::buildMe() 99 { 100 %(constructor)s; 101 } 102 103 inline %(class_name)s::%(class_name)s( 104 ExtMachInst machInst, const char * instMnem, 105 RegIndex _dest, uint64_t _imm) : 106 %(base_class)s(machInst, "%(mnemonic)s", instMnem, 107 false, false, false, false, %(op_class)s), 108 dest(_dest), imm(_imm) 109 { 110 buildMe(); 111 } 112 113 inline %(class_name)s::%(class_name)s( 114 ExtMachInst machInst, const char * instMnem, 115 bool isMicro, bool isDelayed, bool isFirst, bool isLast, 116 RegIndex _dest, uint64_t _imm) : 117 %(base_class)s(machInst, "%(mnemonic)s", instMnem, 118 isMicro, isDelayed, isFirst, isLast, %(op_class)s), 119 dest(_dest), imm(_imm) 120 { 121 buildMe(); 122 } 123}}; 124 125let {{ 126 class LimmOp(object): 127 def __init__(self, dest, imm): 128 self.dest = dest 129 self.imm = imm 130 131 def getAllocator(self, *microFlags): 132 allocator = '''new %(class_name)s(machInst, %(mnemonic)s, 133 %(flags)s %(dest)s, %(imm)s,)''' % { 134 "class_name" : self.className, 135 "mnemonic" : self.mnemonic, 136 "flags" : self.microFlagsText(microFlags), 137 "dest" : self.dest, "imm" : self.imm } 138 139 microopClasses["limm"] = LimmOp 140}}; 141 142let {{ 143 # Build up the all register version of this micro op 144 iop = InstObjParams("limm", "Limm", 'X86MicroOpBase', 145 {"code" : "DestReg = imm;"}) 146 header_output += MicroLimmOpDeclare.subst(iop) 147 decoder_output += MicroLimmOpConstructor.subst(iop) 148 exec_output += MicroLimmOpExecute.subst(iop) 149}}; 150