src/python/m5/objects/Pci.py

   1 from m5.SimObject import SimObject
   2 from m5.params import *
   3 from m5.proxy import *
   4 from Device import BasicPioDevice, DmaDevice, PioDevice
   5
   6 class PciConfigData(SimObject):
   7     type = 'PciConfigData'
   8     VendorID = Param.UInt16("Vendor ID")
   9     DeviceID = Param.UInt16("Device ID")
  10     Command = Param.UInt16(0, "Command")
  11     Status = Param.UInt16(0, "Status")
  12     Revision = Param.UInt8(0, "Device")
  13     ProgIF = Param.UInt8(0, "Programming Interface")
  14     SubClassCode = Param.UInt8(0, "Sub-Class Code")
  15     ClassCode = Param.UInt8(0, "Class Code")
  16     CacheLineSize = Param.UInt8(0, "System Cacheline Size")
  17     LatencyTimer = Param.UInt8(0, "PCI Latency Timer")
  18     HeaderType = Param.UInt8(0, "PCI Header Type")
  19     BIST = Param.UInt8(0, "Built In Self Test")
  20
  21     BAR0 = Param.UInt32(0x00, "Base Address Register 0")
  22     BAR1 = Param.UInt32(0x00, "Base Address Register 1")
  23     BAR2 = Param.UInt32(0x00, "Base Address Register 2")
  24     BAR3 = Param.UInt32(0x00, "Base Address Register 3")
  25     BAR4 = Param.UInt32(0x00, "Base Address Register 4")
  26     BAR5 = Param.UInt32(0x00, "Base Address Register 5")
  27     BAR0Size = Param.MemorySize32('0B', "Base Address Register 0 Size")
  28     BAR1Size = Param.MemorySize32('0B', "Base Address Register 1 Size")
  29     BAR2Size = Param.MemorySize32('0B', "Base Address Register 2 Size")
  30     BAR3Size = Param.MemorySize32('0B', "Base Address Register 3 Size")
  31     BAR4Size = Param.MemorySize32('0B', "Base Address Register 4 Size")
  32     BAR5Size = Param.MemorySize32('0B', "Base Address Register 5 Size")
  33
  34     CardbusCIS = Param.UInt32(0x00, "Cardbus Card Information Structure")
  35     SubsystemID = Param.UInt16(0x00, "Subsystem ID")
  36     SubsystemVendorID = Param.UInt16(0x00, "Subsystem Vendor ID")
  37     ExpansionROM = Param.UInt32(0x00, "Expansion ROM Base Address")
  38     InterruptLine = Param.UInt8(0x00, "Interrupt Line")
  39     InterruptPin = Param.UInt8(0x00, "Interrupt Pin")
  40     MaximumLatency = Param.UInt8(0x00, "Maximum Latency")
  41     MinimumGrant = Param.UInt8(0x00, "Minimum Grant")
  42
  43 class PciConfigAll(PioDevice):
  44     type = 'PciConfigAll'
  45     pio_latency = Param.Tick(1, "Programmed IO latency in simticks")
  46     bus = Param.UInt8(0x00, "PCI bus to act as config space for")
  47     size = Param.MemorySize32('16MB', "Size of config space")
  48
  49
  50 class PciDevice(DmaDevice):
  51     type = 'PciDevice'
  52     abstract = True
  53     config = Port(Self.pio.peerObj.port, "PCI configuration space port")
  54     pci_bus = Param.Int("PCI bus")
  55     pci_dev = Param.Int("PCI device number")
  56     pci_func = Param.Int("PCI function code")
  57     pio_latency = Param.Latency('1ns', "Programmed IO latency in simticks")
  58     configdata = Param.PciConfigData(Parent.any, "PCI Config data")
  59     config_latency = Param.Latency('20ns', "Config read or write latency")