microasm.isa revision 4528
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//##include "microops/microops.isa" 59//##include "macroop.isa" 60 61let {{ 62 import sys 63 sys.path[0:0] = ["src/arch/x86/isa/"] 64 from insts import microcode 65 print microcode 66 from micro_asm import MicroAssembler, Rom_Macroop, Rom 67 mainRom = Rom('main ROM') 68 assembler = MicroAssembler(X86Macroop, microopClasses, mainRom, Rom_Macroop) 69 macroopDict = assembler.assemble(microcode) 70}}; 71 72//////////////////////////////////////////////////////////////////// 73// 74// Microcode assembler specialization for x86 75// 76 77let {{ 78 from micro_asm import MicroAssembler, Combinational_Macroop, Rom_Macroop, Rom 79 class X86Macroop(Combinational_Macroop): 80 def __init__(self, name): 81 super(X86Macroop, self).__init__(name) 82 self.directives = { 83 } 84 85 mainRom = Rom('main ROM') 86}}; 87 88let {{ 89 class X86Microop(object): 90 def __init__(self, name): 91 self.name = name 92 93 # This converts a list of python bools into 94 # a comma seperated list of C++ bools. 95 def microFlagsText(self, vals): 96 text = "" 97 for val in vals: 98 if val: 99 text += ", true" 100 else: 101 text += ", false" 102 return text 103 104 def getAllocator(self, mnemonic, *microFlags): 105 return 'new %s(machInst, %s)' % (self.className, mnemonic, self.microFlagsText(microFlags)) 106}}; 107