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# 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: Ali Saidi
from m5.params import *
from MemObject import MemObject
class Bridge(MemObject):
type = 'Bridge'
side_a = Port('Side A port')
side_b = Port('Side B port')
req_size_a = Param.Int(16, "The number of requests to buffer")
req_size_b = Param.Int(16, "The number of requests to buffer")
resp_size_a = Param.Int(16, "The number of requests to buffer")
resp_size_b = Param.Int(16, "The number of requests to buffer")
delay = Param.Latency('0ns', "The latency of this bridge")
nack_delay = Param.Latency('0ns', "The latency of this bridge")
write_ack = Param.Bool(False, "Should this bridge ack writes")
filter_ranges_a = VectorParam.AddrRange([],
"What addresses shouldn't be passed through the side of the bridge")
filter_ranges_b = VectorParam.AddrRange([],
"What addresses shouldn't be passed through the side of the bridge")
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