xref: /gem5/src/dev/pci/PciHost.py

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# Authors: Andreas Sandberg

from m5.SimObject import SimObject
from m5.params import *
from m5.proxy import *
from Device import PioDevice
from Platform import Platform

class PciHost(PioDevice):
    type = 'PciHost'
    cxx_class = 'PciHost'
    cxx_header = "dev/pci/host.hh"
    abstract = True

class GenericPciHost(PciHost):
    type = 'GenericPciHost'
    cxx_class = 'GenericPciHost'
    cxx_header = "dev/pci/host.hh"

    platform = Param.Platform(Parent.any, "Platform to use for interrupts")

    conf_base = Param.Addr("Config space base address")
    conf_size = Param.Addr("Config space base address")
    conf_device_bits = Param.UInt8(8, "Number of bits used to as an "
                                      "offset a devices address space")

    pci_pio_base = Param.Addr(0, "Base address for PCI IO accesses")
    pci_mem_base = Param.Addr(0, "Base address for PCI memory accesses")
    pci_dma_base = Param.Addr(0, "Base address for DMA memory accesses")