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// -*- mode:c++ -*-
// Copyright (c) 2007 The Hewlett-Packard Development Company
// All rights reserved.
//
// The license below extends only to copyright in the software and shall
// not be construed as granting a license to any other intellectual
// property including but not limited to intellectual property relating
// to a hardware implementation of the functionality of the software
// licensed hereunder. You may use the software subject to the license
// terms below provided that you ensure that this notice is replicated
// unmodified and in its entirety in all distributions of the software,
// modified or unmodified, in source code or in binary form.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met: redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer;
// redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution;
// neither the name of the copyright holders nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Authors: Gabe Black
let {{
# This will be populated with mappings between microop mnemonics and
# the classes that represent them.
microopClasses = {}
}};
//////////////////////////////////////////////////////////////////////////
//
// Base class for the python representation of x86 microops
//
//////////////////////////////////////////////////////////////////////////
let {{
class X86Microop(object):
generatorNameTemplate = "generate_%s_%d"
generatorTemplate = '''
StaticInstPtr
''' + generatorNameTemplate + '''(StaticInstPtr curMacroop)
{
static const char *macrocodeBlock = romMnemonic;
static const ExtMachInst dummyExtMachInst;
static const EmulEnv dummyEmulEnv(0, 0, 1, 1, 1);
Macroop * macroop = dynamic_cast<Macroop *>(curMacroop.get());
const ExtMachInst &machInst =
macroop ? macroop->getExtMachInst() : dummyExtMachInst;
const EmulEnv &env =
macroop ? macroop->getEmulEnv() : dummyEmulEnv;
// env may not be used in the microop's constructor.
InstRegIndex reg(env.reg);
reg = reg;
using namespace RomLabels;
return %s;
}
'''
def __init__(self, name):
self.name = name
# This converts a python bool into a C++ bool
def cppBool(self, val):
if val:
return "true"
else:
return "false"
# This converts a list of python bools into
# a comma seperated list of C++ bools.
def microFlagsText(self, vals):
text = ""
for val in vals:
text += ", %s" % self.cppBool(val)
return text
def getAllocator(self, mnemonic, *microFlags):
return 'new %s(machInst, %s)' % \
(self.className, mnemonic, self.microFlagsText(microFlags))
def getGeneratorDef(self, micropc):
return self.generatorTemplate % \
(self.className, micropc, \
self.getAllocator(True, True, False, False))
def getGenerator(self, micropc):
return self.generatorNameTemplate % (self.className, micropc)
}};
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