base.isa revision 5666:e7925fa8f0d6
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 58let {{ 59 # This will be populated with mappings between microop mnemonics and 60 # the classes that represent them. 61 microopClasses = {} 62}}; 63 64////////////////////////////////////////////////////////////////////////// 65// 66// Base class for the python representation of x86 microops 67// 68////////////////////////////////////////////////////////////////////////// 69 70let {{ 71 class X86Microop(object): 72 73 generatorNameTemplate = "generate_%s_%d" 74 75 generatorTemplate = ''' 76 StaticInstPtr 77 ''' + generatorNameTemplate + '''(StaticInstPtr curMacroop) 78 { 79 static const char * mnemonic = romMnemonic; 80 static const ExtMachInst dummyExtMachInst; 81 static const EmulEnv dummyEmulEnv(0, 0, 1, 1, 1); 82 83 Macroop * macroop = dynamic_cast<Macroop *>(curMacroop.get()); 84 const ExtMachInst &machInst = 85 macroop ? macroop->getExtMachInst() : dummyExtMachInst; 86 const EmulEnv &env = 87 macroop ? macroop->getEmulEnv() : dummyEmulEnv; 88 // env may not be used in the microop's constructor. 89 RegIndex reg = env.reg; 90 reg = reg; 91 return %s; 92 } 93 ''' 94 95 def __init__(self, name): 96 self.name = name 97 98 # This converts a python bool into a C++ bool 99 def cppBool(self, val): 100 if val: 101 return "true" 102 else: 103 return "false" 104 105 # This converts a list of python bools into 106 # a comma seperated list of C++ bools. 107 def microFlagsText(self, vals): 108 text = "" 109 for val in vals: 110 text += ", %s" % self.cppBool(val) 111 return text 112 113 def getAllocator(self, mnemonic, *microFlags): 114 return 'new %s(machInst, %s)' % \ 115 (self.className, mnemonic, self.microFlagsText(microFlags)) 116 117 def getGeneratorDef(self, micropc): 118 return self.generatorTemplate % \ 119 (self.className, micropc, \ 120 self.getAllocator(True, False, False, False)) 121 122 def getGenerator(self, micropc): 123 return self.generatorNameTemplate % (self.className, micropc) 124}}; 125