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

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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
29from m5.params import *
30from m5.proxy import *
31from MemObject import MemObject
32
33class PioDevice(MemObject):
34 type = 'PioDevice'
35 cxx_header = "dev/io_device.hh"
36 abstract = True
37 pio = SlavePort("Programmed I/O port")
38 system = Param.System(Parent.any, "System this device is part of")
39
40class BasicPioDevice(PioDevice):
41 type = 'BasicPioDevice'
42 cxx_header = "dev/io_device.hh"
43 abstract = True
44 pio_addr = Param.Addr("Device Address")
45 pio_latency = Param.Latency('100ns', "Programmed IO latency")
46
47class DmaDevice(PioDevice):

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