PciDevice.py revision 3102 
1from m5.SimObject import SimObject
2from m5.params import *
3from m5.proxy import *
4from Device import BasicPioDevice, DmaDevice, PioDevice
5
6class 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
43class 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
50class PciDevice(DmaDevice):
51    type = 'PciDevice'
52    abstract = True
53    config = 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
60class PciFake(PciDevice):
61    type = 'PciFake'
62