24 files changed, 1024 insertions, 19 deletions

diff --git a/src/dev/BadDevice.py b/src/dev/BadDevice.py
new file mode 100644
index 000000000..4fc592184
--- /dev/null
+++ b/src/dev/BadDevice.py
@@ -0,0 +1,34 @@
+# Copyright (c) 2005-2007 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
+
+from m5.params import *
+from Device import BasicPioDevice
+
+class BadDevice(BasicPioDevice):
+    type = 'BadDevice'
+    devicename = Param.String("Name of device to error on")
diff --git a/src/dev/Device.py b/src/dev/Device.py
new file mode 100644
index 000000000..adf262f26
--- /dev/null
+++ b/src/dev/Device.py
@@ -0,0 +1,71 @@
+# Copyright (c) 2005-2007 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
+
+from m5.params import *
+from m5.proxy import *
+from MemObject import MemObject
+
+class PioDevice(MemObject):
+    type = 'PioDevice'
+    abstract = True
+    pio = Port("Programmed I/O port")
+    platform = Param.Platform(Parent.any, "Platform this device is part of")
+    system = Param.System(Parent.any, "System this device is part of")
+
+class BasicPioDevice(PioDevice):
+    type = 'BasicPioDevice'
+    abstract = True
+    pio_addr = Param.Addr("Device Address")
+    pio_latency = Param.Latency('1ns', "Programmed IO latency in simticks")
+
+class DmaDevice(PioDevice):
+    type = 'DmaDevice'
+    abstract = True
+    dma = Port(Self.pio.peerObj.port, "DMA port")
+    min_backoff_delay = Param.Latency('4ns',
+      "min time between a nack packet being received and the next request made by the device")
+    max_backoff_delay = Param.Latency('10us',
+      "max time between a nack packet being received and the next request made by the device")
+
+
+
+class IsaFake(BasicPioDevice):
+    type = 'IsaFake'
+    pio_size = Param.Addr(0x8, "Size of address range")
+    ret_data8 = Param.UInt8(0xFF, "Default data to return")
+    ret_data16 = Param.UInt16(0xFFFF, "Default data to return")
+    ret_data32 = Param.UInt32(0xFFFFFFFF, "Default data to return")
+    ret_data64 = Param.UInt64(0xFFFFFFFFFFFFFFFF, "Default data to return")
+    ret_bad_addr = Param.Bool(False, "Return pkt status bad address on access")
+    update_data = Param.Bool(False, "Update the data that is returned on writes")
+    warn_access = Param.String("", "String to print when device is accessed")
+
+class BadAddr(IsaFake):
+    ret_bad_addr = Param.Bool(True, "Return pkt status bad address on access")
+
+
diff --git a/src/dev/DiskImage.py b/src/dev/DiskImage.py
new file mode 100644
index 000000000..af2407458
--- /dev/null
+++ b/src/dev/DiskImage.py
@@ -0,0 +1,44 @@
+# Copyright (c) 2005-2007 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
+
+from m5.SimObject import SimObject
+from m5.params import *
+class DiskImage(SimObject):
+    type = 'DiskImage'
+    abstract = True
+    image_file = Param.String("disk image file")
+    read_only = Param.Bool(False, "read only image")
+
+class RawDiskImage(DiskImage):
+    type = 'RawDiskImage'
+
+class CowDiskImage(DiskImage):
+    type = 'CowDiskImage'
+    child = Param.DiskImage(RawDiskImage(read_only=True),
+                            "child image")
+    table_size = Param.Int(65536, "initial table size")
diff --git a/src/dev/Ethernet.py b/src/dev/Ethernet.py
new file mode 100644
index 000000000..e81862a96
--- /dev/null
+++ b/src/dev/Ethernet.py
@@ -0,0 +1,199 @@
+# Copyright (c) 2005-2007 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
+
+from m5.SimObject import SimObject
+from m5.params import *
+from m5.proxy import *
+from Pci import PciDevice, PciConfigData
+
+class EtherInt(SimObject):
+    type = 'EtherInt'
+    abstract = True
+    peer = Param.EtherInt(NULL, "peer interface")
+
+class EtherLink(SimObject):
+    type = 'EtherLink'
+    int1 = Param.EtherInt("interface 1")
+    int2 = Param.EtherInt("interface 2")
+    delay = Param.Latency('0us', "packet transmit delay")
+    delay_var = Param.Latency('0ns', "packet transmit delay variability")
+    speed = Param.NetworkBandwidth('1Gbps', "link speed")
+    dump = Param.EtherDump(NULL, "dump object")
+
+class EtherBus(SimObject):
+    type = 'EtherBus'
+    loopback = Param.Bool(True, "send packet back to the sending interface")
+    dump = Param.EtherDump(NULL, "dump object")
+    speed = Param.NetworkBandwidth('100Mbps', "bus speed in bits per second")
+
+class EtherTap(EtherInt):
+    type = 'EtherTap'
+    bufsz = Param.Int(10000, "tap buffer size")
+    dump = Param.EtherDump(NULL, "dump object")
+    port = Param.UInt16(3500, "tap port")
+
+class EtherDump(SimObject):
+    type = 'EtherDump'
+    file = Param.String("dump file")
+    maxlen = Param.Int(96, "max portion of packet data to dump")
+
+class IGbE(PciDevice):
+    type = 'IGbE'
+    hardware_address = Param.String("Ethernet Hardware Address")
+    use_flow_control = Param.Bool(False,
+        "Should we use xon/xoff flow contorl (UNIMPLEMENTD)")
+    rx_fifo_size = Param.MemorySize('384kB', "Size of the rx FIFO")
+    tx_fifo_size = Param.MemorySize('384kB', "Size of the tx FIFO")
+    rx_desc_cache_size = Param.Int(64,
+        "Number of enteries in the rx descriptor cache")
+    tx_desc_cache_size = Param.Int(64,
+        "Number of enteries in the rx descriptor cache")
+    clock = Param.Clock('500MHz', "Clock speed of the device")
+
+class IGbEPciData(PciConfigData):
+    VendorID = 0x8086
+    DeviceID = 0x1075
+    SubsystemID = 0x1008
+    SubsystemVendorID = 0x8086
+    Status = 0x0000
+    SubClassCode = 0x00
+    ClassCode = 0x02
+    ProgIF = 0x00
+    BAR0 = 0x00000000
+    BAR1 = 0x00000000
+    BAR2 = 0x00000000
+    BAR3 = 0x00000000
+    BAR4 = 0x00000000
+    BAR5 = 0x00000000
+    MaximumLatency = 0x00
+    MinimumGrant = 0xff
+    InterruptLine = 0x1e
+    InterruptPin = 0x01
+    BAR0Size = '128kB'
+
+class IGbEInt(EtherInt):
+    type = 'IGbEInt'
+    device = Param.IGbE("Ethernet device of this interface")
+
+
+
+class EtherDevBase(PciDevice):
+    hardware_address = Param.EthernetAddr(NextEthernetAddr,
+        "Ethernet Hardware Address")
+
+    clock = Param.Clock('0ns', "State machine processor frequency")
+
+    dma_read_delay = Param.Latency('0us', "fixed delay for dma reads")
+    dma_read_factor = Param.Latency('0us', "multiplier for dma reads")
+    dma_write_delay = Param.Latency('0us', "fixed delay for dma writes")
+    dma_write_factor = Param.Latency('0us', "multiplier for dma writes")
+
+    rx_delay = Param.Latency('1us', "Receive Delay")
+    tx_delay = Param.Latency('1us', "Transmit Delay")
+    rx_fifo_size = Param.MemorySize('512kB', "max size of rx fifo")
+    tx_fifo_size = Param.MemorySize('512kB', "max size of tx fifo")
+
+    rx_filter = Param.Bool(True, "Enable Receive Filter")
+    intr_delay = Param.Latency('10us', "Interrupt propagation delay")
+    rx_thread = Param.Bool(False, "dedicated kernel thread for transmit")
+    tx_thread = Param.Bool(False, "dedicated kernel threads for receive")
+    rss = Param.Bool(False, "Receive Side Scaling")
+
+class NSGigEPciData(PciConfigData):
+    VendorID = 0x100B
+    DeviceID = 0x0022
+    Status = 0x0290
+    SubClassCode = 0x00
+    ClassCode = 0x02
+    ProgIF = 0x00
+    BAR0 = 0x00000001
+    BAR1 = 0x00000000
+    BAR2 = 0x00000000
+    BAR3 = 0x00000000
+    BAR4 = 0x00000000
+    BAR5 = 0x00000000
+    MaximumLatency = 0x34
+    MinimumGrant = 0xb0
+    InterruptLine = 0x1e
+    InterruptPin = 0x01
+    BAR0Size = '256B'
+    BAR1Size = '4kB'
+
+class NSGigE(EtherDevBase):
+    type = 'NSGigE'
+
+    dma_data_free = Param.Bool(False, "DMA of Data is free")
+    dma_desc_free = Param.Bool(False, "DMA of Descriptors is free")
+    dma_no_allocate = Param.Bool(True, "Should we allocate cache on read")
+
+    configdata = NSGigEPciData()
+
+
+class NSGigEInt(EtherInt):
+    type = 'NSGigEInt'
+    device = Param.NSGigE("Ethernet device of this interface")
+
+class SinicPciData(PciConfigData):
+    VendorID = 0x1291
+    DeviceID = 0x1293
+    Status = 0x0290
+    SubClassCode = 0x00
+    ClassCode = 0x02
+    ProgIF = 0x00
+    BAR0 = 0x00000000
+    BAR1 = 0x00000000
+    BAR2 = 0x00000000
+    BAR3 = 0x00000000
+    BAR4 = 0x00000000
+    BAR5 = 0x00000000
+    MaximumLatency = 0x34
+    MinimumGrant = 0xb0
+    InterruptLine = 0x1e
+    InterruptPin = 0x01
+    BAR0Size = '64kB'
+
+class Sinic(EtherDevBase):
+    type = 'Sinic'
+
+    rx_max_copy = Param.MemorySize('1514B', "rx max copy")
+    tx_max_copy = Param.MemorySize('16kB', "tx max copy")
+    rx_max_intr = Param.UInt32(10, "max rx packets per interrupt")
+    rx_fifo_threshold = Param.MemorySize('384kB', "rx fifo high threshold")
+    rx_fifo_low_mark = Param.MemorySize('128kB', "rx fifo low threshold")
+    tx_fifo_high_mark = Param.MemorySize('384kB', "tx fifo high threshold")
+    tx_fifo_threshold = Param.MemorySize('128kB', "tx fifo low threshold")
+    virtual_count = Param.UInt32(1, "Virtualized SINIC")
+    zero_copy = Param.Bool(False, "Zero copy receive")
+    delay_copy = Param.Bool(False, "Delayed copy transmit")
+    virtual_addr = Param.Bool(False, "Virtual addressing")
+
+    configdata = SinicPciData()
+
+class SinicInt(EtherInt):
+    type = 'SinicInt'
+    device = Param.Sinic("Ethernet device of this interface")
diff --git a/src/dev/Ide.py b/src/dev/Ide.py
new file mode 100644
index 000000000..6bbaad00e
--- /dev/null
+++ b/src/dev/Ide.py
@@ -0,0 +1,68 @@
+# Copyright (c) 2005-2007 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
+
+from m5.SimObject import SimObject
+from m5.params import *
+from Pci import PciDevice, PciConfigData
+
+class IdeID(Enum): vals = ['master', 'slave']
+
+class IdeControllerPciData(PciConfigData):
+    VendorID = 0x8086
+    DeviceID = 0x7111
+    Command = 0x0
+    Status = 0x280
+    Revision = 0x0
+    ClassCode = 0x01
+    SubClassCode = 0x01
+    ProgIF = 0x85
+    BAR0 = 0x00000001
+    BAR1 = 0x00000001
+    BAR2 = 0x00000001
+    BAR3 = 0x00000001
+    BAR4 = 0x00000001
+    BAR5 = 0x00000001
+    InterruptLine = 0x1f
+    InterruptPin = 0x01
+    BAR0Size = '8B'
+    BAR1Size = '4B'
+    BAR2Size = '8B'
+    BAR3Size = '4B'
+    BAR4Size = '16B'
+
+class IdeDisk(SimObject):
+    type = 'IdeDisk'
+    delay = Param.Latency('1us', "Fixed disk delay in microseconds")
+    driveID = Param.IdeID('master', "Drive ID")
+    image = Param.DiskImage("Disk image")
+
+class IdeController(PciDevice):
+    type = 'IdeController'
+    disks = VectorParam.IdeDisk("IDE disks attached to this controller")
+
+    configdata =IdeControllerPciData()
diff --git a/src/dev/Pci.py b/src/dev/Pci.py
new file mode 100644
index 000000000..b2c013f41
--- /dev/null
+++ b/src/dev/Pci.py
@@ -0,0 +1,87 @@
+# Copyright (c) 2005-2007 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
+
+from m5.SimObject import SimObject
+from m5.params import *
+from m5.proxy import *
+from Device import BasicPioDevice, DmaDevice, PioDevice
+
+class PciConfigData(SimObject):
+    type = 'PciConfigData'
+    VendorID = Param.UInt16("Vendor ID")
+    DeviceID = Param.UInt16("Device ID")
+    Command = Param.UInt16(0, "Command")
+    Status = Param.UInt16(0, "Status")
+    Revision = Param.UInt8(0, "Device")
+    ProgIF = Param.UInt8(0, "Programming Interface")
+    SubClassCode = Param.UInt8(0, "Sub-Class Code")
+    ClassCode = Param.UInt8(0, "Class Code")
+    CacheLineSize = Param.UInt8(0, "System Cacheline Size")
+    LatencyTimer = Param.UInt8(0, "PCI Latency Timer")
+    HeaderType = Param.UInt8(0, "PCI Header Type")
+    BIST = Param.UInt8(0, "Built In Self Test")
+
+    BAR0 = Param.UInt32(0x00, "Base Address Register 0")
+    BAR1 = Param.UInt32(0x00, "Base Address Register 1")
+    BAR2 = Param.UInt32(0x00, "Base Address Register 2")
+    BAR3 = Param.UInt32(0x00, "Base Address Register 3")
+    BAR4 = Param.UInt32(0x00, "Base Address Register 4")
+    BAR5 = Param.UInt32(0x00, "Base Address Register 5")
+    BAR0Size = Param.MemorySize32('0B', "Base Address Register 0 Size")
+    BAR1Size = Param.MemorySize32('0B', "Base Address Register 1 Size")
+    BAR2Size = Param.MemorySize32('0B', "Base Address Register 2 Size")
+    BAR3Size = Param.MemorySize32('0B', "Base Address Register 3 Size")
+    BAR4Size = Param.MemorySize32('0B', "Base Address Register 4 Size")
+    BAR5Size = Param.MemorySize32('0B', "Base Address Register 5 Size")
+
+    CardbusCIS = Param.UInt32(0x00, "Cardbus Card Information Structure")
+    SubsystemID = Param.UInt16(0x00, "Subsystem ID")
+    SubsystemVendorID = Param.UInt16(0x00, "Subsystem Vendor ID")
+    ExpansionROM = Param.UInt32(0x00, "Expansion ROM Base Address")
+    InterruptLine = Param.UInt8(0x00, "Interrupt Line")
+    InterruptPin = Param.UInt8(0x00, "Interrupt Pin")
+    MaximumLatency = Param.UInt8(0x00, "Maximum Latency")
+    MinimumGrant = Param.UInt8(0x00, "Minimum Grant")
+
+class PciConfigAll(PioDevice):
+    type = 'PciConfigAll'
+    pio_latency = Param.Tick(1, "Programmed IO latency in simticks")
+    bus = Param.UInt8(0x00, "PCI bus to act as config space for")
+    size = Param.MemorySize32('16MB', "Size of config space")
+
+
+class PciDevice(DmaDevice):
+    type = 'PciDevice'
+    abstract = True
+    config = Port(Self.pio.peerObj.port, "PCI configuration space port")
+    pci_bus = Param.Int("PCI bus")
+    pci_dev = Param.Int("PCI device number")
+    pci_func = Param.Int("PCI function code")
+    pio_latency = Param.Latency('1ns', "Programmed IO latency in simticks")
+    configdata = Param.PciConfigData(Parent.any, "PCI Config data")
+    config_latency = Param.Latency('20ns', "Config read or write latency")
diff --git a/src/dev/Platform.py b/src/dev/Platform.py
new file mode 100644
index 000000000..cb414121b
--- /dev/null
+++ b/src/dev/Platform.py
@@ -0,0 +1,35 @@
+# Copyright (c) 2005-2007 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
+
+from m5.SimObject import SimObject
+from m5.params import *
+from m5.proxy import *
+class Platform(SimObject):
+    type = 'Platform'
+    abstract = True
+    intrctrl = Param.IntrControl(Parent.any, "interrupt controller")
diff --git a/src/dev/SConscript b/src/dev/SConscript
index ea529b536..2e0d75650 100644
--- a/src/dev/SConscript
+++ b/src/dev/SConscript
@@ -32,6 +32,17 @@
 Import('*')
 
 if env['FULL_SYSTEM']:
+    SimObject('BadDevice.py')
+    SimObject('Device.py')
+    SimObject('DiskImage.py')
+    SimObject('Ethernet.py')
+    SimObject('Ide.py')
+    SimObject('Pci.py')
+    SimObject('Platform.py')
+    SimObject('SimConsole.py')
+    SimObject('SimpleDisk.py')
+    SimObject('Uart.py')
+
     Source('baddev.cc')
     Source('disk_image.cc')
     Source('etherbus.cc')
diff --git a/src/dev/SimConsole.py b/src/dev/SimConsole.py
new file mode 100644
index 000000000..bb8420527
--- /dev/null
+++ b/src/dev/SimConsole.py
@@ -0,0 +1,39 @@
+# Copyright (c) 2005-2007 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
+
+from m5.SimObject import SimObject
+from m5.params import *
+from m5.proxy import *
+
+class SimConsole(SimObject):
+    type = 'SimConsole'
+    append_name = Param.Bool(True, "append name() to filename")
+    intr_control = Param.IntrControl(Parent.any, "interrupt controller")
+    port = Param.TcpPort(3456, "listen port")
+    number = Param.Int(0, "console number")
+    output = Param.String('console', "file to dump output to")
diff --git a/src/dev/SimpleDisk.py b/src/dev/SimpleDisk.py
new file mode 100644
index 000000000..1c9193035
--- /dev/null
+++ b/src/dev/SimpleDisk.py
@@ -0,0 +1,35 @@
+# Copyright (c) 2005-2007 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
+
+from m5.SimObject import SimObject
+from m5.params import *
+from m5.proxy import *
+class SimpleDisk(SimObject):
+    type = 'SimpleDisk'
+    disk = Param.DiskImage("Disk Image")
+    system = Param.System(Parent.any, "Sysetm Pointer")
diff --git a/src/dev/Uart.py b/src/dev/Uart.py
new file mode 100644
index 000000000..e32517a4c
--- /dev/null
+++ b/src/dev/Uart.py
@@ -0,0 +1,45 @@
+# Copyright (c) 2005-2007 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
+
+from m5.params import *
+from m5.proxy import *
+from m5 import build_env
+from Device import BasicPioDevice
+
+class Uart(BasicPioDevice):
+    type = 'Uart'
+    abstract = True
+    sim_console = Param.SimConsole(Parent.any, "The console")
+
+class Uart8250(Uart):
+    type = 'Uart8250'
+
+if build_env['ALPHA_TLASER']:
+    class Uart8530(Uart):
+        type = 'Uart8530'
+
diff --git a/src/dev/alpha/AlphaConsole.py b/src/dev/alpha/AlphaConsole.py
new file mode 100644
index 000000000..43c7ef954
--- /dev/null
+++ b/src/dev/alpha/AlphaConsole.py
@@ -0,0 +1,38 @@
+# Copyright (c) 2005-2007 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
+
+from m5.params import *
+from m5.proxy import *
+from Device import BasicPioDevice
+
+class AlphaConsole(BasicPioDevice):
+    type = 'AlphaConsole'
+    cpu = Param.BaseCPU(Parent.cpu[0], "Processor")
+    disk = Param.SimpleDisk("Simple Disk")
+    sim_console = Param.SimConsole(Parent.any, "The Simulator Console")
+    system = Param.AlphaSystem(Parent.any, "system object")
diff --git a/src/dev/alpha/SConscript b/src/dev/alpha/SConscript
index c985fdd9f..8d7f5493b 100644
--- a/src/dev/alpha/SConscript
+++ b/src/dev/alpha/SConscript
@@ -32,6 +32,9 @@
 Import('*')
 
 if env['FULL_SYSTEM'] and env['TARGET_ISA'] == 'alpha':
+    SimObject('AlphaConsole.py')
+    SimObject('Tsunami.py')
+
     Source('console.cc')
     Source('tsunami.cc')
     Source('tsunami_cchip.cc')
diff --git a/src/dev/alpha/Tsunami.py b/src/dev/alpha/Tsunami.py
new file mode 100644
index 000000000..484976c09
--- /dev/null
+++ b/src/dev/alpha/Tsunami.py
@@ -0,0 +1,123 @@
+# Copyright (c) 2005-2007 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
+
+from m5.params import *
+from m5.proxy import *
+from Device import BasicPioDevice, IsaFake, BadAddr
+from Platform import Platform
+from AlphaConsole import AlphaConsole
+from Uart import Uart8250
+from Pci import PciConfigAll
+from BadDevice import BadDevice
+
+class TsunamiCChip(BasicPioDevice):
+    type = 'TsunamiCChip'
+    tsunami = Param.Tsunami(Parent.any, "Tsunami")
+
+class TsunamiIO(BasicPioDevice):
+    type = 'TsunamiIO'
+    time = Param.Time('01/01/2009',
+        "System time to use ('Now' for actual time)")
+    year_is_bcd = Param.Bool(False,
+        "The RTC should interpret the year as a BCD value")
+    tsunami = Param.Tsunami(Parent.any, "Tsunami")
+    frequency = Param.Frequency('1024Hz', "frequency of interrupts")
+
+class TsunamiPChip(BasicPioDevice):
+    type = 'TsunamiPChip'
+    tsunami = Param.Tsunami(Parent.any, "Tsunami")
+
+class Tsunami(Platform):
+    type = 'Tsunami'
+    system = Param.System(Parent.any, "system")
+
+    cchip = TsunamiCChip(pio_addr=0x801a0000000)
+    pchip = TsunamiPChip(pio_addr=0x80180000000)
+    pciconfig = PciConfigAll()
+    fake_sm_chip = IsaFake(pio_addr=0x801fc000370)
+
+    fake_uart1 = IsaFake(pio_addr=0x801fc0002f8)
+    fake_uart2 = IsaFake(pio_addr=0x801fc0003e8)
+    fake_uart3 = IsaFake(pio_addr=0x801fc0002e8)
+    fake_uart4 = IsaFake(pio_addr=0x801fc0003f0)
+
+    fake_ppc = IsaFake(pio_addr=0x801fc0003bb)
+
+    fake_OROM = IsaFake(pio_addr=0x800000a0000, pio_size=0x60000)
+
+    fake_pnp_addr = IsaFake(pio_addr=0x801fc000279)
+    fake_pnp_write = IsaFake(pio_addr=0x801fc000a79)
+    fake_pnp_read0 = IsaFake(pio_addr=0x801fc000203)
+    fake_pnp_read1 = IsaFake(pio_addr=0x801fc000243)
+    fake_pnp_read2 = IsaFake(pio_addr=0x801fc000283)
+    fake_pnp_read3 = IsaFake(pio_addr=0x801fc0002c3)
+    fake_pnp_read4 = IsaFake(pio_addr=0x801fc000303)
+    fake_pnp_read5 = IsaFake(pio_addr=0x801fc000343)
+    fake_pnp_read6 = IsaFake(pio_addr=0x801fc000383)
+    fake_pnp_read7 = IsaFake(pio_addr=0x801fc0003c3)
+
+    fake_ata0 = IsaFake(pio_addr=0x801fc0001f0)
+    fake_ata1 = IsaFake(pio_addr=0x801fc000170)
+
+    fb = BadDevice(pio_addr=0x801fc0003d0, devicename='FrameBuffer')
+    io = TsunamiIO(pio_addr=0x801fc000000)
+    uart = Uart8250(pio_addr=0x801fc0003f8)
+    console = AlphaConsole(pio_addr=0x80200000000, disk=Parent.simple_disk)
+
+    # Attach I/O devices to specified bus object.  Can't do this
+    # earlier, since the bus object itself is typically defined at the
+    # System level.
+    def attachIO(self, bus):
+        self.cchip.pio = bus.port
+        self.pchip.pio = bus.port
+        self.pciconfig.pio = bus.default
+        bus.responder_set = True
+        bus.responder = self.pciconfig
+        self.fake_sm_chip.pio = bus.port
+        self.fake_uart1.pio = bus.port
+        self.fake_uart2.pio = bus.port
+        self.fake_uart3.pio = bus.port
+        self.fake_uart4.pio = bus.port
+        self.fake_ppc.pio = bus.port
+        self.fake_OROM.pio = bus.port
+        self.fake_pnp_addr.pio = bus.port
+        self.fake_pnp_write.pio = bus.port
+        self.fake_pnp_read0.pio = bus.port
+        self.fake_pnp_read1.pio = bus.port
+        self.fake_pnp_read2.pio = bus.port
+        self.fake_pnp_read3.pio = bus.port
+        self.fake_pnp_read4.pio = bus.port
+        self.fake_pnp_read5.pio = bus.port
+        self.fake_pnp_read6.pio = bus.port
+        self.fake_pnp_read7.pio = bus.port
+        self.fake_ata0.pio = bus.port
+        self.fake_ata1.pio = bus.port
+        self.fb.pio = bus.port
+        self.io.pio = bus.port
+        self.uart.pio = bus.port
+        self.console.pio = bus.port
diff --git a/src/dev/i8254xGBe.cc b/src/dev/i8254xGBe.cc
index e0272c655..baf13c49a 100644
--- a/src/dev/i8254xGBe.cc
+++ b/src/dev/i8254xGBe.cc
@@ -656,7 +656,7 @@ IGbE::RxDescCache::writePacket(EthPacketPtr packet)
         return false;
 
     pktPtr = packet;
-
+    pktDone = false;
     igbe->dmaWrite(igbe->platform->pciToDma(unusedCache.front()->buf),
             packet->length, &pktEvent, packet->data);
     return true;
@@ -683,8 +683,12 @@ IGbE::RxDescCache::pktComplete()
 
     uint8_t status = RXDS_DD | RXDS_EOP;
     uint8_t err = 0;
+
     IpPtr ip(pktPtr);
+
     if (ip) {
+        DPRINTF(EthernetDesc, "Proccesing Ip packet with Id=%d\n", ip->id());
+
         if (igbe->regs.rxcsum.ipofld()) {
             DPRINTF(EthernetDesc, "Checking IP checksum\n");
             status |= RXDS_IPCS;
@@ -715,7 +719,10 @@ IGbE::RxDescCache::pktComplete()
                 err |= RXDE_TCPE;
             }
         }
-    } // if ip
+    } else { // if ip
+        DPRINTF(EthernetSM, "Proccesing Non-Ip packet\n");
+    }
+
 
     desc->status = htole(status);
     desc->errors = htole(err);
@@ -912,10 +919,20 @@ IGbE::TxDescCache::pktComplete()
 
     DPRINTF(EthernetDesc, "TxDescriptor data d1: %#llx d2: %#llx\n", desc->d1, desc->d2);
 
+    if (DTRACE(EthernetDesc)) {
+        IpPtr ip(pktPtr);
+        if (ip)
+            DPRINTF(EthernetDesc, "Proccesing Ip packet with Id=%d\n",
+                    ip->id());
+        else
+            DPRINTF(EthernetSM, "Proccesing Non-Ip packet\n");
+    }
+
     // Checksums are only ofloaded for new descriptor types
     if (TxdOp::isData(desc) && ( TxdOp::ixsm(desc) || TxdOp::txsm(desc)) ) {
         DPRINTF(EthernetDesc, "Calculating checksums for packet\n");
         IpPtr ip(pktPtr);
+
         if (TxdOp::ixsm(desc)) {
             ip->sum(0);
             ip->sum(cksum(ip));
@@ -1192,6 +1209,7 @@ IGbE::rxStateMachine()
 
     // If the packet is done check for interrupts/descriptors/etc
     if (rxDescCache.packetDone()) {
+        rxDmaPacket = false;
         DPRINTF(EthernetSM, "RXS: Packet completed DMA to memory\n");
         int descLeft = rxDescCache.descLeft();
         switch (regs.rctl.rdmts()) {
@@ -1236,6 +1254,12 @@ IGbE::rxStateMachine()
         return;
     }
 
+    if (rxDmaPacket) {
+        DPRINTF(EthernetSM, "RXS: stopping ticking until packet DMA completes\n");
+        rxTick = false;
+        return;
+    }
+
     if (!rxDescCache.descUnused()) {
         DPRINTF(EthernetSM, "RXS: No descriptors available in cache, stopping ticking\n");
         rxTick = false;
@@ -1262,6 +1286,7 @@ IGbE::rxStateMachine()
     rxFifo.pop();
     DPRINTF(EthernetSM, "RXS: stopping ticking until packet DMA completes\n");
     rxTick = false;
+    rxDmaPacket = true;
 }
 
 void
diff --git a/src/dev/i8254xGBe.hh b/src/dev/i8254xGBe.hh
index 2dec3b08c..b6da53b09 100644
--- a/src/dev/i8254xGBe.hh
+++ b/src/dev/i8254xGBe.hh
@@ -80,6 +80,8 @@ class IGbE : public PciDev
     bool txTick;
     bool txFifoTick;
 
+    bool rxDmaPacket;
+
     // Event and function to deal with RDTR timer expiring
     void rdtrProcess() {
         rxDescCache.writeback(0);
diff --git a/src/dev/io_device.cc b/src/dev/io_device.cc
index d430ace72..ecbb391ef 100644
--- a/src/dev/io_device.cc
+++ b/src/dev/io_device.cc
@@ -48,9 +48,9 @@ PioPort::recvAtomic(PacketPtr pkt)
 }
 
 void
-PioPort::getDeviceAddressRanges(AddrRangeList &resp, AddrRangeList &snoop)
+PioPort::getDeviceAddressRanges(AddrRangeList &resp, bool &snoop)
 {
-    snoop.clear();
+    snoop = false;
     device->addressRanges(resp);
 }
 
@@ -218,6 +218,9 @@ DmaPort::dmaAction(Packet::Command cmd, Addr addr, int size, Event *event,
 
     DmaReqState *reqState = new DmaReqState(event, this, size);
 
+
+    DPRINTF(DMA, "Starting DMA for addr: %#x size: %d sched: %d\n", addr, size,
+            event->scheduled());
     for (ChunkGenerator gen(addr, size, peerBlockSize());
          !gen.done(); gen.next()) {
             Request *req = new Request(gen.addr(), gen.size(), 0);
@@ -231,6 +234,8 @@ DmaPort::dmaAction(Packet::Command cmd, Addr addr, int size, Event *event,
 
             assert(pendingCount >= 0);
             pendingCount++;
+            DPRINTF(DMA, "--Queuing DMA for addr: %#x size: %d\n", gen.addr(),
+                    gen.size());
             queueDma(pkt);
     }
 
@@ -281,19 +286,28 @@ DmaPort::sendDma()
 
         if (transmitList.size() && backoffTime && !inRetry &&
                 !backoffEvent.scheduled()) {
+            DPRINTF(DMA, "-- Scheduling backoff timer for %d\n",
+                    backoffTime+curTick);
             backoffEvent.schedule(backoffTime+curTick);
         }
     } else if (state == System::Atomic) {
         transmitList.pop_front();
 
         Tick lat;
+        DPRINTF(DMA, "--Sending  DMA for addr: %#x size: %d\n",
+                pkt->req->getPaddr(), pkt->req->getSize());
         lat = sendAtomic(pkt);
         assert(pkt->senderState);
         DmaReqState *state = dynamic_cast<DmaReqState*>(pkt->senderState);
         assert(state);
-
         state->numBytes += pkt->req->getSize();
+
+        DPRINTF(DMA, "--Received response for  DMA for addr: %#x size: %d nb: %d, tot: %d sched %d\n",
+                pkt->req->getPaddr(), pkt->req->getSize(), state->numBytes,
+                state->totBytes, state->completionEvent->scheduled());
+
         if (state->totBytes == state->numBytes) {
+            assert(!state->completionEvent->scheduled());
             state->completionEvent->schedule(curTick + lat);
             delete state;
             delete pkt->req;
diff --git a/src/dev/io_device.hh b/src/dev/io_device.hh
index bd150bfe4..25bd2de8d 100644
--- a/src/dev/io_device.hh
+++ b/src/dev/io_device.hh
@@ -59,7 +59,7 @@ class PioPort : public SimpleTimingPort
     virtual Tick recvAtomic(PacketPtr pkt);
 
     virtual void getDeviceAddressRanges(AddrRangeList &resp,
-                                        AddrRangeList &snoop);
+                                        bool &snoop);
 
   public:
 
@@ -127,8 +127,8 @@ class DmaPort : public Port
     virtual void recvRetry() ;
 
     virtual void getDeviceAddressRanges(AddrRangeList &resp,
-                                        AddrRangeList &snoop)
-    { resp.clear(); snoop.clear(); }
+                                        bool &snoop)
+    { resp.clear(); snoop = false; }
 
     void queueDma(PacketPtr pkt, bool front = false);
     void sendDma();
diff --git a/src/dev/ns_gige.cc b/src/dev/ns_gige.cc
index d9985f808..e9d9c419d 100644
--- a/src/dev/ns_gige.cc
+++ b/src/dev/ns_gige.cc
@@ -1270,8 +1270,7 @@ NSGigE::cpuIntrPost(Tick when)
 
     if (intrEvent)
         intrEvent->squash();
-    intrEvent = new IntrEvent(this, true);
-    intrEvent->schedule(intrTick);
+    intrEvent = new IntrEvent(this, intrTick, true);
 }
 
 void
@@ -2770,8 +2769,7 @@ NSGigE::unserialize(Checkpoint *cp, const std::string &section)
     Tick intrEventTick;
     UNSERIALIZE_SCALAR(intrEventTick);
     if (intrEventTick) {
-        intrEvent = new IntrEvent(this, true);
-        intrEvent->schedule(intrEventTick);
+        intrEvent = new IntrEvent(this, intrEventTick, true);
     }
 }
 
diff --git a/src/dev/pcidev.cc b/src/dev/pcidev.cc
index f906e69cf..c2a2bc02d 100644
--- a/src/dev/pcidev.cc
+++ b/src/dev/pcidev.cc
@@ -76,9 +76,9 @@ PciDev::PciConfigPort::recvAtomic(PacketPtr pkt)
 
 void
 PciDev::PciConfigPort::getDeviceAddressRanges(AddrRangeList &resp,
-                                              AddrRangeList &snoop)
+                                              bool &snoop)
 {
-    snoop.clear();
+    snoop = false;;
     resp.push_back(RangeSize(configAddr, PCI_CONFIG_SIZE+1));
 }
 
diff --git a/src/dev/pcidev.hh b/src/dev/pcidev.hh
index 5044e2932..5ddbe84a0 100644
--- a/src/dev/pcidev.hh
+++ b/src/dev/pcidev.hh
@@ -89,7 +89,7 @@ class PciDev : public DmaDevice
         virtual Tick recvAtomic(PacketPtr pkt);
 
         virtual void getDeviceAddressRanges(AddrRangeList &resp,
-                                            AddrRangeList &snoop);
+                                            bool &snoop);
 
         Platform *platform;
 
diff --git a/src/dev/sinic.cc b/src/dev/sinic.cc
index 420761620..e13fdb0bc 100644
--- a/src/dev/sinic.cc
+++ b/src/dev/sinic.cc
@@ -630,8 +630,7 @@ Base::cpuIntrPost(Tick when)
 
     if (intrEvent)
         intrEvent->squash();
-    intrEvent = new IntrEvent(this, true);
-    intrEvent->schedule(intrTick);
+    intrEvent = new IntrEvent(this, intrTick, true);
 }
 
 void
@@ -1339,8 +1338,7 @@ Base::unserialize(Checkpoint *cp, const std::string &section)
     Tick intrEventTick;
     UNSERIALIZE_SCALAR(intrEventTick);
     if (intrEventTick) {
-        intrEvent = new IntrEvent(this, true);
-        intrEvent->schedule(intrEventTick);
+        intrEvent = new IntrEvent(this, intrEventTick, true);
     }
 }
 
diff --git a/src/dev/sparc/SConscript b/src/dev/sparc/SConscript
index 8511b16fb..2ebf9fe05 100644
--- a/src/dev/sparc/SConscript
+++ b/src/dev/sparc/SConscript
@@ -32,6 +32,8 @@
 Import('*')
 
 if env['FULL_SYSTEM'] and env['TARGET_ISA'] == 'sparc':
+    SimObject('T1000.py')
+
     Source('dtod.cc')
     Source('iob.cc')
     Source('t1000.cc')
diff --git a/src/dev/sparc/T1000.py b/src/dev/sparc/T1000.py
new file mode 100644
index 000000000..a033e27e2
--- /dev/null
+++ b/src/dev/sparc/T1000.py
@@ -0,0 +1,134 @@
+# Copyright (c) 2006-2007 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Gabe Black
+
+from m5.params import *
+from m5.proxy import *
+from Device import BasicPioDevice, PioDevice, IsaFake, BadAddr
+from Uart import Uart8250
+from Platform import Platform
+from SimConsole import SimConsole
+
+
+class MmDisk(BasicPioDevice):
+    type = 'MmDisk'
+    image = Param.DiskImage("Disk Image")
+    pio_addr = 0x1F40000000
+
+class DumbTOD(BasicPioDevice):
+    type = 'DumbTOD'
+    time = Param.Time('01/01/2009', "System time to use ('Now' for real time)")
+    pio_addr = 0xfff0c1fff8
+
+class Iob(PioDevice):
+    type = 'Iob'
+    pio_latency = Param.Latency('1ns', "Programed IO latency in simticks")
+
+
+class T1000(Platform):
+    type = 'T1000'
+    system = Param.System(Parent.any, "system")
+
+    fake_clk = IsaFake(pio_addr=0x9600000000, pio_size=0x100000000)
+            #warn_access="Accessing Clock Unit -- Unimplemented!")
+
+    fake_membnks = IsaFake(pio_addr=0x9700000000, pio_size=16384,
+            ret_data64=0x0000000000000000, update_data=False)
+            #warn_access="Accessing Memory Banks -- Unimplemented!")
+
+    fake_jbi = IsaFake(pio_addr=0x8000000000, pio_size=0x100000000)
+            #warn_access="Accessing JBI -- Unimplemented!")
+
+    fake_l2_1 = IsaFake(pio_addr=0xA900000000, pio_size=0x8,
+            ret_data64=0x0000000000000001, update_data=True)
+            #warn_access="Accessing L2 Cache Banks -- Unimplemented!")
+
+    fake_l2_2 = IsaFake(pio_addr=0xA900000040, pio_size=0x8,
+            ret_data64=0x0000000000000001, update_data=True)
+            #warn_access="Accessing L2 Cache Banks -- Unimplemented!")
+
+    fake_l2_3 = IsaFake(pio_addr=0xA900000080, pio_size=0x8,
+            ret_data64=0x0000000000000001, update_data=True)
+            #warn_access="Accessing L2 Cache Banks -- Unimplemented!")
+
+    fake_l2_4 = IsaFake(pio_addr=0xA9000000C0, pio_size=0x8,
+            ret_data64=0x0000000000000001, update_data=True)
+            #warn_access="Accessing L2 Cache Banks -- Unimplemented!")
+
+    fake_l2esr_1 = IsaFake(pio_addr=0xAB00000000, pio_size=0x8,
+            ret_data64=0x0000000000000000, update_data=True)
+            #warn_access="Accessing L2 ESR Cache Banks -- Unimplemented!")
+
+    fake_l2esr_2 = IsaFake(pio_addr=0xAB00000040, pio_size=0x8,
+            ret_data64=0x0000000000000000, update_data=True)
+            #warn_access="Accessing L2 ESR Cache Banks -- Unimplemented!")
+
+    fake_l2esr_3 = IsaFake(pio_addr=0xAB00000080, pio_size=0x8,
+            ret_data64=0x0000000000000000, update_data=True)
+            #warn_access="Accessing L2 ESR Cache Banks -- Unimplemented!")
+
+    fake_l2esr_4 = IsaFake(pio_addr=0xAB000000C0, pio_size=0x8,
+            ret_data64=0x0000000000000000, update_data=True)
+            #warn_access="Accessing L2 ESR Cache Banks -- Unimplemented!")
+
+    fake_ssi = IsaFake(pio_addr=0xff00000000, pio_size=0x10000000)
+            #warn_access="Accessing SSI -- Unimplemented!")
+
+    hconsole = SimConsole()
+    hvuart = Uart8250(pio_addr=0xfff0c2c000)
+    htod = DumbTOD()
+
+    pconsole = SimConsole()
+    puart0 = Uart8250(pio_addr=0x1f10000000)
+
+    iob = Iob()
+    # Attach I/O devices that are on chip
+    def attachOnChipIO(self, bus):
+        self.iob.pio = bus.port
+        self.htod.pio = bus.port
+
+
+    # Attach I/O devices to specified bus object.  Can't do this
+    # earlier, since the bus object itself is typically defined at the
+    # System level.
+    def attachIO(self, bus):
+        self.hvuart.sim_console = self.hconsole
+        self.puart0.sim_console = self.pconsole
+        self.fake_clk.pio = bus.port
+        self.fake_membnks.pio = bus.port
+        self.fake_l2_1.pio = bus.port
+        self.fake_l2_2.pio = bus.port
+        self.fake_l2_3.pio = bus.port
+        self.fake_l2_4.pio = bus.port
+        self.fake_l2esr_1.pio = bus.port
+        self.fake_l2esr_2.pio = bus.port
+        self.fake_l2esr_3.pio = bus.port
+        self.fake_l2esr_4.pio = bus.port
+        self.fake_ssi.pio = bus.port
+        self.fake_jbi.pio = bus.port
+        self.puart0.pio = bus.port
+        self.hvuart.pio = bus.port