base.isa revision 5692
14338Sgblack@eecs.umich.edu// -*- mode:c++ -*-
24338Sgblack@eecs.umich.edu
34338Sgblack@eecs.umich.edu// Copyright (c) 2007 The Hewlett-Packard Development Company
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54338Sgblack@eecs.umich.edu//
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84338Sgblack@eecs.umich.edu// following conditions are met:
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564338Sgblack@eecs.umich.edu// Authors: Gabe Black
574338Sgblack@eecs.umich.edu
584519Sgblack@eecs.umich.edulet {{
594519Sgblack@eecs.umich.edu    # This will be populated with mappings between microop mnemonics and
604519Sgblack@eecs.umich.edu    # the classes that represent them.
614519Sgblack@eecs.umich.edu    microopClasses = {}
624338Sgblack@eecs.umich.edu}};
634338Sgblack@eecs.umich.edu
644519Sgblack@eecs.umich.edu//////////////////////////////////////////////////////////////////////////
654519Sgblack@eecs.umich.edu//
664519Sgblack@eecs.umich.edu// Base class for the python representation of x86 microops
674534Sgblack@eecs.umich.edu//
684534Sgblack@eecs.umich.edu//////////////////////////////////////////////////////////////////////////
694519Sgblack@eecs.umich.edu
704519Sgblack@eecs.umich.edulet {{
714519Sgblack@eecs.umich.edu    class X86Microop(object):
725666Sgblack@eecs.umich.edu 
735666Sgblack@eecs.umich.edu        generatorNameTemplate = "generate_%s_%d"
745666Sgblack@eecs.umich.edu
755666Sgblack@eecs.umich.edu        generatorTemplate = '''
765666Sgblack@eecs.umich.edu            StaticInstPtr
775666Sgblack@eecs.umich.edu            ''' + generatorNameTemplate + '''(StaticInstPtr curMacroop)
785666Sgblack@eecs.umich.edu            {
795666Sgblack@eecs.umich.edu                static const char * mnemonic = romMnemonic;
805666Sgblack@eecs.umich.edu                static const ExtMachInst dummyExtMachInst;
815666Sgblack@eecs.umich.edu                static const EmulEnv dummyEmulEnv(0, 0, 1, 1, 1);
825666Sgblack@eecs.umich.edu
835666Sgblack@eecs.umich.edu                Macroop * macroop = dynamic_cast<Macroop *>(curMacroop.get());
845666Sgblack@eecs.umich.edu                const ExtMachInst &machInst =
855666Sgblack@eecs.umich.edu                    macroop ? macroop->getExtMachInst() : dummyExtMachInst;
865666Sgblack@eecs.umich.edu                const EmulEnv &env =
875666Sgblack@eecs.umich.edu                    macroop ? macroop->getEmulEnv() : dummyEmulEnv;
885666Sgblack@eecs.umich.edu                // env may not be used in the microop's constructor.
895666Sgblack@eecs.umich.edu                RegIndex reg = env.reg;
905666Sgblack@eecs.umich.edu                reg = reg;
915667Sgblack@eecs.umich.edu                using namespace RomLabels;
925666Sgblack@eecs.umich.edu                return %s;
935666Sgblack@eecs.umich.edu            }
945666Sgblack@eecs.umich.edu        '''
955040Sgblack@eecs.umich.edu
964519Sgblack@eecs.umich.edu        def __init__(self, name):
974519Sgblack@eecs.umich.edu            self.name = name
984519Sgblack@eecs.umich.edu
994539Sgblack@eecs.umich.edu        # This converts a python bool into a C++ bool
1004539Sgblack@eecs.umich.edu        def cppBool(self, val):
1014539Sgblack@eecs.umich.edu            if val:
1024539Sgblack@eecs.umich.edu                return "true"
1034539Sgblack@eecs.umich.edu            else:
1044539Sgblack@eecs.umich.edu                return "false"
1054539Sgblack@eecs.umich.edu
1064519Sgblack@eecs.umich.edu        # This converts a list of python bools into
1074519Sgblack@eecs.umich.edu        # a comma seperated list of C++ bools.
1084519Sgblack@eecs.umich.edu        def microFlagsText(self, vals):
1094519Sgblack@eecs.umich.edu            text = ""
1104519Sgblack@eecs.umich.edu            for val in vals:
1114539Sgblack@eecs.umich.edu                text += ", %s" % self.cppBool(val)
1124519Sgblack@eecs.umich.edu            return text
1134519Sgblack@eecs.umich.edu
1144519Sgblack@eecs.umich.edu        def getAllocator(self, mnemonic, *microFlags):
1155040Sgblack@eecs.umich.edu            return 'new %s(machInst, %s)' % \
1165040Sgblack@eecs.umich.edu                (self.className, mnemonic, self.microFlagsText(microFlags))
1175666Sgblack@eecs.umich.edu
1185666Sgblack@eecs.umich.edu        def getGeneratorDef(self, micropc):
1195666Sgblack@eecs.umich.edu            return self.generatorTemplate % \
1205666Sgblack@eecs.umich.edu                (self.className, micropc, \
1215692Sgblack@eecs.umich.edu                 self.getAllocator(True, True, False, False))
1225666Sgblack@eecs.umich.edu
1235666Sgblack@eecs.umich.edu        def getGenerator(self, micropc):
1245666Sgblack@eecs.umich.edu            return self.generatorNameTemplate % (self.className, micropc)
1254338Sgblack@eecs.umich.edu}};
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