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from m5.SimObject import SimObject
from m5.defines import buildEnv
from m5.params import *

from m5.objects.FuncUnit import *


class IntALU(FUDesc):
    opList = [OpDesc(opClass="IntAlu")]
    count = 6


class IntMultDiv(FUDesc):
    opList = [
        OpDesc(opClass="IntMult", opLat=3),
        OpDesc(opClass="IntDiv", opLat=20, pipelined=False),
    ]

    count = 2


class FP_ALU(FUDesc):
    opList = [
        OpDesc(opClass="FloatAdd", opLat=2),
        OpDesc(opClass="FloatCmp", opLat=2),
        OpDesc(opClass="FloatCvt", opLat=2),
    ]
    count = 4


class FP_MultDiv(FUDesc):
    opList = [
        OpDesc(opClass="FloatMult", opLat=4),
        OpDesc(opClass="FloatMultAcc", opLat=5),
        OpDesc(opClass="FloatMisc", opLat=3),
        OpDesc(opClass="FloatDiv", opLat=12, pipelined=False),
        OpDesc(opClass="FloatSqrt", opLat=24, pipelined=False),
    ]
    count = 2


class SIMD_Unit(FUDesc):
    opList = [
        OpDesc(opClass="SimdAdd"),
        OpDesc(opClass="SimdAddAcc"),
        OpDesc(opClass="SimdAlu"),
        OpDesc(opClass="SimdCmp"),
        OpDesc(opClass="SimdCvt"),
        OpDesc(opClass="SimdMisc"),
        OpDesc(opClass="SimdMult"),
        OpDesc(opClass="SimdMultAcc"),
        OpDesc(opClass="SimdMatMultAcc"),
        OpDesc(opClass="SimdShift"),
        OpDesc(opClass="SimdShiftAcc"),
        OpDesc(opClass="SimdDiv"),
        OpDesc(opClass="SimdSqrt"),
        OpDesc(opClass="SimdFloatAdd"),
        OpDesc(opClass="SimdFloatAlu"),
        OpDesc(opClass="SimdFloatCmp"),
        OpDesc(opClass="SimdFloatCvt"),
        OpDesc(opClass="SimdFloatDiv"),
        OpDesc(opClass="SimdFloatMisc"),
        OpDesc(opClass="SimdFloatMult"),
        OpDesc(opClass="SimdFloatMultAcc"),
        OpDesc(opClass="SimdFloatMatMultAcc"),
        OpDesc(opClass="SimdFloatSqrt"),
        OpDesc(opClass="SimdReduceAdd"),
        OpDesc(opClass="SimdReduceAlu"),
        OpDesc(opClass="SimdReduceCmp"),
        OpDesc(opClass="SimdFloatReduceAdd"),
        OpDesc(opClass="SimdFloatReduceCmp"),
    ]
    count = 4


class PredALU(FUDesc):
    opList = [OpDesc(opClass="SimdPredAlu")]
    count = 1


class ReadPort(FUDesc):
    opList = [OpDesc(opClass="MemRead"), OpDesc(opClass="FloatMemRead")]
    count = 0


class WritePort(FUDesc):
    opList = [OpDesc(opClass="MemWrite"), OpDesc(opClass="FloatMemWrite")]
    count = 0


class RdWrPort(FUDesc):
    opList = [
        OpDesc(opClass="MemRead"),
        OpDesc(opClass="MemWrite"),
        OpDesc(opClass="FloatMemRead"),
        OpDesc(opClass="FloatMemWrite"),
    ]
    count = 4


class IprPort(FUDesc):
    opList = [OpDesc(opClass="IprAccess", opLat=3, pipelined=False)]
    count = 1