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# Copyright (c) 2009 Advanced Micro Devices, Inc.
# 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: Steve Reinhardt
# Brad Beckmann
from m5.params import *
from m5.proxy import *
from MemObject import MemObject
class RubyPort(MemObject):
type = 'RubyPort'
abstract = True
port = VectorPort("M5 port")
version = Param.Int(0, "")
pio_port = Port("Ruby_pio_port")
physmem = Param.PhysicalMemory("")
physMemPort = Port("port to physical memory")
using_ruby_tester = Param.Bool(False, "")
using_network_tester = Param.Bool(False, "")
access_phys_mem = Param.Bool(True,
"should the rubyport atomically update phys_mem")
ruby_system = Param.RubySystem("")
class RubyPortProxy(RubyPort):
type = 'RubyPortProxy'
class RubySequencer(RubyPort):
type = 'RubySequencer'
cxx_class = 'Sequencer'
icache = Param.RubyCache("")
dcache = Param.RubyCache("")
max_outstanding_requests = Param.Int(16,
"max requests (incl. prefetches) outstanding")
deadlock_threshold = Param.Int(500000,
"max outstanding cycles for a request before deadlock/livelock declared")
class DMASequencer(RubyPort):
type = 'DMASequencer'
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