94 lines
4 KiB
C++
94 lines
4 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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// The license below extends only to copyright in the software and shall
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// not be construed as granting a license to any other intellectual
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// property including but not limited to intellectual property relating
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// to a hardware implementation of the functionality of the software
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// licensed hereunder. You may use the software subject to the license
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// terms below provided that you ensure that this notice is replicated
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// unmodified and in its entirety in all distributions of the software,
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// modified or unmodified, in source code or in binary form.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met: redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer;
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// redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution;
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// neither the name of the copyright holders 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.
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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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X86ISA::NoopMachInst;
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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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InstRegIndex 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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def microFlagsText(self, flags):
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wrapped = ("(1ULL << StaticInst::%s)" % flag for flag in flags)
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return " | ".join(wrapped)
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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(["IsMicroop", "IsDelayedCommit"]))
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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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