2008-02-26 08:20:08 +01:00
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# Copyright (c) 2005-2008 The Regents of The University of Michigan
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2007-05-28 04:21:17 +02:00
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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: Nathan Binkert
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2009-09-23 00:24:16 +02:00
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from m5.defines import buildEnv
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2007-05-28 04:21:17 +02:00
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from m5.params import *
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from m5.proxy import *
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from MemObject import MemObject
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class Bus(MemObject):
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type = 'Bus'
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port = VectorPort("vector port for connecting devices")
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bus_id = Param.Int(0, "blah")
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clock = Param.Clock("1GHz", "bus clock speed")
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2008-02-26 08:20:08 +01:00
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header_cycles = Param.Int(1, "cycles of overhead per transaction")
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2007-05-28 04:21:17 +02:00
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width = Param.Int(64, "bus width (bytes)")
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block_size = Param.Int(64, "The default block size if one isn't set by a device attached to the bus.")
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2010-08-17 14:06:21 +02:00
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default = \
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Port("Default port for requests that aren't handled by a device.")
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use_default_range = \
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Param.Bool(False, "Query default port device for legal range.")
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