src/dev/arm/VirtIOMMIO.py

   1 # -*- mode:python -*-
   2
   3 # Copyright (c) 2014, 2016-2018 ARM Limited
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  37
  38 from m5.SimObject import SimObject
  39 from m5.params import *
  40 from m5.proxy import *
  41
  42 from m5.objects.Device import BasicPioDevice
  43 from m5.objects.Gic import ArmInterruptPin
  44 from m5.objects.VirtIO import VirtIODeviceBase, VirtIODummyDevice
  45
  46 class MmioVirtIO(BasicPioDevice):
  47     type = 'MmioVirtIO'
  48     cxx_header = 'dev/arm/vio_mmio.hh'
  49
  50     pio_size = Param.Addr(4096, "IO range")
  51     interrupt = Param.ArmInterruptPin("Interrupt to use for this device")
  52
  53     vio = Param.VirtIODeviceBase(VirtIODummyDevice(), "VirtIO device")
  54
  55     def generateDeviceTree(self, state):
  56         node = self.generateBasicPioDeviceNode(state, 'virtio', self.pio_addr,
  57                                                int(self.pio_size), [
  58                                                    int(self.interrupt.num),
  59                                                ])
  60         node.appendCompatible(["virtio,mmio"])
  61         yield node