xref: /gem5/src/dev/arm/VirtIOMMIO.py

# -*- mode:python -*-

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# Authors: Andreas Sandberg

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

from m5.objects.Device import BasicPioDevice
from m5.objects.Gic import ArmInterruptPin
from m5.objects.VirtIO import VirtIODeviceBase, VirtIODummyDevice

class MmioVirtIO(BasicPioDevice):
    type = 'MmioVirtIO'
    cxx_header = 'dev/arm/vio_mmio.hh'

    pio_size = Param.Addr(4096, "IO range")
    interrupt = Param.ArmInterruptPin("Interrupt to use for this device")

    vio = Param.VirtIODeviceBase(VirtIODummyDevice(), "VirtIO device")

    def generateDeviceTree(self, state):
        node = self.generateBasicPioDeviceNode(state, 'virtio', self.pio_addr,
                                               int(self.pio_size), [
                                                   int(self.interrupt.num),
                                               ])
        node.appendCompatible(["virtio,mmio"])
        yield node