125 lines
5.3 KiB
C++
125 lines
5.3 KiB
C++
// -*- mode:c++ -*-
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// Copyright (c) 2007 The Hewlett-Packard Development Company
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// All rights reserved.
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//
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// Redistribution and use of this software in source and binary forms,
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// with or without modification, are permitted provided that the
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// following conditions are met:
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//
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// The software must be used only for Non-Commercial Use which means any
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// use which is NOT directed to receiving any direct monetary
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// compensation for, or commercial advantage from such use. Illustrative
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// examples of non-commercial use are academic research, personal study,
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// teaching, education and corporate research & development.
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// Illustrative examples of commercial use are distributing products for
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// commercial advantage and providing services using the software for
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// commercial advantage.
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//
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// If you wish to use this software or functionality therein that may be
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// covered by patents for commercial use, please contact:
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// Director of Intellectual Property Licensing
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// Office of Strategy and Technology
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// Hewlett-Packard Company
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// 1501 Page Mill Road
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// Palo Alto, California 94304
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//
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// Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer. Redistributions
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// in binary form must reproduce the above copyright notice, this list of
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// conditions and the following disclaimer in the documentation and/or
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// other materials provided with the distribution. Neither the name of
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// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission. No right of
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// sublicense is granted herewith. Derivatives of the software and
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// output created using the software may be prepared, but only for
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// Non-Commercial Uses. Derivatives of the software may be shared with
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// others provided: (i) the others agree to abide by the list of
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// conditions herein which includes the Non-Commercial Use restrictions;
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// and (ii) such Derivatives of the software include the above copyright
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// notice to acknowledge the contribution from this software where
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// applicable, this list of conditions and the disclaimer below.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Authors: Gabe Black
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let {{
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# This will be populated with mappings between microop mnemonics and
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# the classes that represent them.
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microopClasses = {}
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}};
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//////////////////////////////////////////////////////////////////////////
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//
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// Base class for the python representation of x86 microops
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//
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//////////////////////////////////////////////////////////////////////////
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let {{
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class X86Microop(object):
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generatorNameTemplate = "generate_%s_%d"
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generatorTemplate = '''
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StaticInstPtr
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''' + generatorNameTemplate + '''(StaticInstPtr curMacroop)
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{
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static const char *macrocodeBlock = romMnemonic;
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static const ExtMachInst dummyExtMachInst;
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static const EmulEnv dummyEmulEnv(0, 0, 1, 1, 1);
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Macroop * macroop = dynamic_cast<Macroop *>(curMacroop.get());
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const ExtMachInst &machInst =
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macroop ? macroop->getExtMachInst() : dummyExtMachInst;
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const EmulEnv &env =
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macroop ? macroop->getEmulEnv() : dummyEmulEnv;
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// env may not be used in the microop's constructor.
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RegIndex reg = env.reg;
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reg = reg;
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using namespace RomLabels;
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return %s;
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}
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'''
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def __init__(self, name):
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self.name = name
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# This converts a python bool into a C++ bool
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def cppBool(self, val):
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if val:
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return "true"
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else:
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return "false"
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# This converts a list of python bools into
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# a comma seperated list of C++ bools.
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def microFlagsText(self, vals):
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text = ""
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for val in vals:
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text += ", %s" % self.cppBool(val)
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return text
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def getAllocator(self, mnemonic, *microFlags):
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return 'new %s(machInst, %s)' % \
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(self.className, mnemonic, self.microFlagsText(microFlags))
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def getGeneratorDef(self, micropc):
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return self.generatorTemplate % \
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(self.className, micropc, \
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self.getAllocator(True, True, False, False))
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def getGenerator(self, micropc):
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return self.generatorNameTemplate % (self.className, micropc)
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}};
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