src/python/m5/objects/Pci.py

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