59 lines
2.5 KiB
Python
59 lines
2.5 KiB
Python
# Copyright (c) 2008 The Regents of The University of Michigan
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Ali Saidi
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from m5.SimObject import SimObject
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from m5.params import *
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from m5.proxy import *
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from Pci import PciDevice
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class CopyEngine(PciDevice):
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type = 'CopyEngine'
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VendorID = 0x8086
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DeviceID = 0x1a38
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Revision = 0xA2 # CM2 stepping (newest listed)
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SubsystemID = 0
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SubsystemVendorID = 0
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Status = 0x0000
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SubClassCode = 0x08
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ClassCode = 0x80
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ProgIF = 0x00
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MaximumLatency = 0x00
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MinimumGrant = 0xff
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InterruptLine = 0x20
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InterruptPin = 0x01
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BAR0Size = '1kB'
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ChanCnt = Param.UInt8(4, "Number of DMA channels that exist on device")
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XferCap = Param.MemorySize('4kB', "Number of bits of transfer size that are supported")
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clock = Param.Clock('500MHz', "Clock speed of the device")
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latBeforeBegin = Param.Latency('20ns', "Latency after a DMA command is seen before it's proccessed")
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latAfterCompletion = Param.Latency('20ns', "Latency after a DMA command is complete before it's reported as such")
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