Bridge.py revision 8713
1# Copyright (c) 2006-2007 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
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7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright
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11# neither the name of the copyright holders nor the names of its
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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
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21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26#
27# Authors: Ali Saidi
28
29from m5.params import *
30from MemObject import MemObject
31
32class Bridge(MemObject):
33    type = 'Bridge'
34    slave = Port('Slave port')
35    master = Port('Master port')
36    req_size = Param.Int(16, "The number of requests to buffer")
37    resp_size = Param.Int(16, "The number of requests to buffer")
38    delay = Param.Latency('0ns', "The latency of this bridge")
39    nack_delay = Param.Latency('0ns', "The latency of this bridge")
40    write_ack = Param.Bool(False, "Should this bridge ack writes")
41    ranges = VectorParam.AddrRange([AllMemory],
42                                   "Address ranges to pass through the bridge")
43