mem: Fix guest corruption when caches handle uncacheable accesses
[gem5.git] / src / dev / Pci.py
1 # Copyright (c) 2005-2007 The Regents of The University of Michigan
2 # All rights reserved.
3 #
4 # Redistribution and use in source and binary forms, with or without
5 # modification, are permitted provided that the following conditions are
6 # met: redistributions of source code must retain the above copyright
7 # notice, this list of conditions and the following disclaimer;
8 # redistributions in binary form must reproduce the above copyright
9 # notice, this list of conditions and the following disclaimer in the
10 # documentation and/or other materials provided with the distribution;
11 # neither the name of the copyright holders nor the names of its
12 # contributors may be used to endorse or promote products derived from
13 # this software without specific prior written permission.
14 #
15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 #
27 # Authors: Nathan Binkert
28
29 from m5.SimObject import SimObject
30 from m5.params import *
31 from m5.proxy import *
32 from Device import BasicPioDevice, DmaDevice, PioDevice
33
34 class PciConfigAll(PioDevice):
35 type = 'PciConfigAll'
36 cxx_header = "dev/pciconfigall.hh"
37 platform = Param.Platform(Parent.any, "Platform this device is part of.")
38 pio_latency = Param.Latency('30ns', "Programmed IO latency")
39 bus = Param.UInt8(0x00, "PCI bus to act as config space for")
40 size = Param.MemorySize32('16MB', "Size of config space")
41
42
43 class PciDevice(DmaDevice):
44 type = 'PciDevice'
45 cxx_class = 'PciDev'
46 cxx_header = "dev/pcidev.hh"
47 abstract = True
48 platform = Param.Platform(Parent.any, "Platform this device is part of.")
49 config = SlavePort("PCI configuration space port")
50 pci_bus = Param.Int("PCI bus")
51 pci_dev = Param.Int("PCI device number")
52 pci_func = Param.Int("PCI function code")
53 pio_latency = Param.Latency('30ns', "Programmed IO latency")
54 config_latency = Param.Latency('20ns', "Config read or write latency")
55
56 VendorID = Param.UInt16("Vendor ID")
57 DeviceID = Param.UInt16("Device ID")
58 Command = Param.UInt16(0, "Command")
59 Status = Param.UInt16(0, "Status")
60 Revision = Param.UInt8(0, "Device")
61 ProgIF = Param.UInt8(0, "Programming Interface")
62 SubClassCode = Param.UInt8(0, "Sub-Class Code")
63 ClassCode = Param.UInt8(0, "Class Code")
64 CacheLineSize = Param.UInt8(0, "System Cacheline Size")
65 LatencyTimer = Param.UInt8(0, "PCI Latency Timer")
66 HeaderType = Param.UInt8(0, "PCI Header Type")
67 BIST = Param.UInt8(0, "Built In Self Test")
68
69 BAR0 = Param.UInt32(0x00, "Base Address Register 0")
70 BAR1 = Param.UInt32(0x00, "Base Address Register 1")
71 BAR2 = Param.UInt32(0x00, "Base Address Register 2")
72 BAR3 = Param.UInt32(0x00, "Base Address Register 3")
73 BAR4 = Param.UInt32(0x00, "Base Address Register 4")
74 BAR5 = Param.UInt32(0x00, "Base Address Register 5")
75 BAR0Size = Param.MemorySize32('0B', "Base Address Register 0 Size")
76 BAR1Size = Param.MemorySize32('0B', "Base Address Register 1 Size")
77 BAR2Size = Param.MemorySize32('0B', "Base Address Register 2 Size")
78 BAR3Size = Param.MemorySize32('0B', "Base Address Register 3 Size")
79 BAR4Size = Param.MemorySize32('0B', "Base Address Register 4 Size")
80 BAR5Size = Param.MemorySize32('0B', "Base Address Register 5 Size")
81 BAR0LegacyIO = Param.Bool(False, "Whether BAR0 is hardwired legacy IO")
82 BAR1LegacyIO = Param.Bool(False, "Whether BAR1 is hardwired legacy IO")
83 BAR2LegacyIO = Param.Bool(False, "Whether BAR2 is hardwired legacy IO")
84 BAR3LegacyIO = Param.Bool(False, "Whether BAR3 is hardwired legacy IO")
85 BAR4LegacyIO = Param.Bool(False, "Whether BAR4 is hardwired legacy IO")
86 BAR5LegacyIO = Param.Bool(False, "Whether BAR5 is hardwired legacy IO")
87
88 CardbusCIS = Param.UInt32(0x00, "Cardbus Card Information Structure")
89 SubsystemID = Param.UInt16(0x00, "Subsystem ID")
90 SubsystemVendorID = Param.UInt16(0x00, "Subsystem Vendor ID")
91 ExpansionROM = Param.UInt32(0x00, "Expansion ROM Base Address")
92 InterruptLine = Param.UInt8(0x00, "Interrupt Line")
93 InterruptPin = Param.UInt8(0x00, "Interrupt Pin")
94 MaximumLatency = Param.UInt8(0x00, "Maximum Latency")
95 MinimumGrant = Param.UInt8(0x00, "Minimum Grant")
96
97