| // -*- 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 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 |
| |
| def microFlagsText(self, flags): |
| wrapped = ("(1ULL << StaticInst::%s)" % flag for flag in flags) |
| return " | ".join(wrapped) |
| |
| def getGeneratorDef(self, micropc): |
| return self.generatorTemplate % \ |
| (self.className, micropc, \ |
| self.getAllocator(["IsMicroop", "IsDelayedCommit"])) |
| |
| def getGenerator(self, micropc): |
| return self.generatorNameTemplate % (self.className, micropc) |
| }}; |
