src/arch/x86/isa/microops/base.isa

   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 let {{
  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
  70 let {{
  71     class X86Microop(object):
  72         def __init__(self, name):
  73             self.name = name
  74
  75         # This converts a python bool into a C++ bool
  76         def cppBool(self, val):
  77             if val:
  78                 return "true"
  79             else:
  80                 return "false"
  81
  82         # This converts a list of python bools into
  83         # a comma seperated list of C++ bools.
  84         def microFlagsText(self, vals):
  85             text = ""
  86             for val in vals:
  87                 text += ", %s" % self.cppBool(val)
  88             return text
  89
  90         def getAllocator(self, mnemonic, *microFlags):
  91             return 'new %s(machInst, %s)' % (self.className, mnemonic, self.microFlagsText(microFlags))
  92 }};
  93
  94 //////////////////////////////////////////////////////////////////////////
  95 //
  96 // FpOp Microop templates
  97 //
  98 //////////////////////////////////////////////////////////////////////////
  99
 100 //TODO Actually write an fp microop base class.