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# Authors: Nathan Binkert

from m5.params import *
from m5.proxy import *

from m5.objects.Device import BasicPioDevice
from m5.objects.Serial import SerialDevice

class Uart(BasicPioDevice):
    type = 'Uart'
    abstract = True
    cxx_header = "dev/serial/uart.hh"
    platform = Param.Platform(Parent.any, "Platform this device is part of.")
    device = Param.SerialDevice(Parent.any, "The terminal")

class SimpleUart(Uart):
    type = 'SimpleUart'
    cxx_header = "dev/serial/simple.hh"
    big_endian = Param.Bool(False, "Is the device Big Endian?")
    pio_size = Param.Addr(0x4, "Size of address range")
    end_on_eot = Param.Bool(False, "End the simulation when a EOT is "\
                            "received on the UART")

class Uart8250(Uart):
    type = 'Uart8250'
    cxx_header = "dev/serial/uart8250.hh"