gem5/src/arch/x86/isa/microasm.isa

// -*- mode:c++ -*-

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// Authors: Gabe Black

//##include "microops/microops.isa"
//##include "macroop.isa"

let {{
    import sys
    sys.path[0:0] = ["src/arch/x86/isa/"]
    from insts import microcode
    print microcode
    from micro_asm import MicroAssembler, Rom_Macroop, Rom
    mainRom = Rom('main ROM')
    assembler = MicroAssembler(X86Macroop, microopClasses, mainRom, Rom_Macroop)
    macroopDict = assembler.assemble(microcode)
}};

////////////////////////////////////////////////////////////////////
//
// Microcode assembler specialization for x86
//

let {{
    from micro_asm import MicroAssembler, Combinational_Macroop, Rom_Macroop, Rom
    class X86Macroop(Combinational_Macroop):
        def __init__(self, name):
            super(X86Macroop, self).__init__(name)
            self.directives = {
            }

    mainRom = Rom('main ROM')
}};

let {{
    class X86Microop(object):
        def __init__(self, name):
            self.name = name

        # This converts a list of python bools into
        # a comma seperated list of C++ bools.
        def microFlagsText(self, vals):
            text = ""
            for val in vals:
                if val:
                    text += ", true"
                else:
                    text += ", false"
            return text

        def getAllocator(self, mnemonic, *microFlags):
            return 'new %s(machInst, %s)' % (self.className, mnemonic, self.microFlagsText(microFlags))
}};