limmop.isa revision 4581
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. 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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 std::string generateDisassembly(Addr pc, 83 const SymbolTable *symtab) const; 84 85 public: 86 %(class_name)s(ExtMachInst _machInst, 87 const char * instMnem, 88 bool isMicro, bool isDelayed, bool isFirst, bool isLast, 89 RegIndex _dest, uint64_t _imm); 90 91 %(class_name)s(ExtMachInst _machInst, 92 const char * instMnem, 93 RegIndex _dest, uint64_t _imm); 94 95 %(BasicExecDeclare)s 96 }; 97}}; 98 99def template MicroLimmOpDisassembly {{ 100 std::string %(class_name)s::generateDisassembly(Addr pc, 101 const SymbolTable *symtab) const 102 { 103 std::stringstream response; 104 105 printMnemonic(response, instMnem, mnemonic); 106 printReg(response, dest); 107 response << ", "; 108 ccprintf(response, "%#x", imm); 109 return response.str(); 110 } 111}}; 112 113def template MicroLimmOpConstructor {{ 114 115 inline void %(class_name)s::buildMe() 116 { 117 %(constructor)s; 118 } 119 120 inline %(class_name)s::%(class_name)s( 121 ExtMachInst machInst, const char * instMnem, 122 RegIndex _dest, uint64_t _imm) : 123 %(base_class)s(machInst, "%(mnemonic)s", instMnem, 124 false, false, false, false, %(op_class)s), 125 dest(_dest), imm(_imm) 126 { 127 buildMe(); 128 } 129 130 inline %(class_name)s::%(class_name)s( 131 ExtMachInst machInst, const char * instMnem, 132 bool isMicro, bool isDelayed, bool isFirst, bool isLast, 133 RegIndex _dest, uint64_t _imm) : 134 %(base_class)s(machInst, "%(mnemonic)s", instMnem, 135 isMicro, isDelayed, isFirst, isLast, %(op_class)s), 136 dest(_dest), imm(_imm) 137 { 138 buildMe(); 139 } 140}}; 141 142let {{ 143 class LimmOp(X86Microop): 144 def __init__(self, dest, imm): 145 self.className = "Limm" 146 self.mnemonic = "limm" 147 self.dest = dest 148 self.imm = imm 149 150 def getAllocator(self, *microFlags): 151 allocator = '''new %(class_name)s(machInst, mnemonic 152 %(flags)s, %(dest)s, %(imm)s)''' % { 153 "class_name" : self.className, 154 "mnemonic" : self.mnemonic, 155 "flags" : self.microFlagsText(microFlags), 156 "dest" : self.dest, "imm" : self.imm } 157 return allocator 158 159 microopClasses["limm"] = LimmOp 160}}; 161 162let {{ 163 # Build up the all register version of this micro op 164 iop = InstObjParams("limm", "Limm", 'X86MicroopBase', 165 {"code" : "DestReg = imm;"}) 166 header_output += MicroLimmOpDeclare.subst(iop) 167 decoder_output += MicroLimmOpConstructor.subst(iop) 168 decoder_output += MicroLimmOpDisassembly.subst(iop) 169 exec_output += MicroLimmOpExecute.subst(iop) 170}}; 171